Shear bonding device and shear bonding method of metal plates

Patent metadata

Field	Value
Publication number	US-9579747-B2
Application number	US-201414475323-A
Country	US
Kind code	B2
Filing date	Sep 2, 2014
Priority date	Sep 3, 2013
Publication date	Feb 28, 2017
Grant date	Feb 28, 2017

Abstract

A shear bonding device and a shear bonding method of metal plates are disclosed. The shear bonding device may include: an upper shear bonding mold having more than one upper perpendicular tooth and more than one upper slanted tooth formed alternately on a front end surface thereof; a lower shear bonding mold overlapped with the upper shear bonding mold in a vertical direction by a predetermined width below the upper shear bonding mold, and having more than one lower perpendicular tooth corresponding to the more than one upper slanted tooth and the more than one upper perpendicular tooth corresponding to the more than one lower slanted tooth formed alternately on a front end surface confronting the upper shear bonding mold; an upper heating clamper including a front end surface contacting with the upper perpendicular tooth of the upper shear bonding mold and adapted to generate heat by receiving power from a power supply; a lower heating clamper including a front end surface contacting with the lower perpendicular tooth of the lower shear bonding mold and adapted to generate heat by receiving power from the power supply; upper and lower pressing cylinders moving the upper and lower shear bonding molds upwardly or downwardly so as to apply load; and upper and lower clamping cylinders moving the upper and lower heating clampers upwardly or downwardly so as to apply clamping force and load, wherein the metal plates are disposed between the upper shear bonding mold and heating clamper, and the lower shear bonding mold and heating clamper.

First claim

What is claimed is:

1. A shear bonding device of metal plates comprising:
an upper shear bonding mold having a plurality of upper perpendicular teeth and a plurality of upper slanted teeth formed alternately on a front end surface thereof;
a lower shear bonding mold overlapped with the upper shear bonding mold in a vertical direction by a predetermined width below the upper shear bonding mold, and having a plurality of lower perpendicular teeth and a plurality of lower slanted teeth formed alternatively on a front end surface confronting the upper shear bonding mold, the plurality of lower perpendicular teeth correspond to the plurality of upper slanted teeth of the upper shear bonding mold and the plurality of upper perpendicular teeth correspond to the plurality of lower slanted teeth of the upper shear bonding mold;
an upper heating clamper including a front end surface contacting with the plurality of upper perpendicular teeth of the upper shear bonding mold and adapted to generate heat by receiving power from a power supply;
a lower heating clamper including a front end surface contacting with the plurality of lower perpendicular teeth of the lower shear bonding mold and adapted to generate heat by receiving power from the power supply;
an upper pressing cylinder and a lower pressing cylinder moving the upper shear bonding mold and the lower shear bonding molds upwardly or downwardly so as to apply a welding force on the metal plates; and
an upper clamping cylinder and a lower clamping cylinders moving the upper heating clamper and the lower heating clampers upwardly or downwardly so as to apply a clamping force and a welding force on the metal plates,
wherein the metal plates are disposed between the upper shear bonding mold and the upper heating clamper, and the lower shear bonding mold and the lower heating clamper.

2. The shear bonding device of claim 1 , wherein the plurality of upper perpendicular teeth are formed vertically to a lower surface of the upper shear bonding mold contacting with the metal plates, and the plurality of upper slanted teeth are formed of a slanted surface having an acute angle formed from the lower surface of the upper shear bonding mold.

3. The shear bonding device of claim 2 , wherein the plurality of lower perpendicular teeth are formed vertically to an upper surface of the lower shear bonding mold contacting with the metal plates, and the plurality of lower slanted teeth are formed of a slanted surface having an acute angle formed from the upper surface of the lower shear bonding mold.

4. The shear bonding device of claim 3 , wherein the slanted surfaces of the upper and lower slanted teeth have the same slanted angle.

5. The shear bonding device of claim 1 , wherein spaces into which excess metal of bonding portions of the metal plates is extruded are formed among the slanted surfaces formed at the upper and lower slanted teeth, both end surfaces of the upper and lower perpendicular teeth formed at both sides of the slanted surfaces, and vertical interior surfaces of the upper and lower heating clampers corresponding to the slanted surfaces.

6. The shear bonding device of claim 3 , wherein slanted front ends of the plurality of upper slanted teeth contacting with the metal plates are receded from a front end surface of the upper shear bonding mold and have a predetermined distance from vertical front ends of the plurality of upper perpendicular teeth contacting with the metal plates, and slanted front ends of the plurality of lower slanted teeth contacting with the metal plates are receded from the front end surface of the lower shear bonding mold and have a predetermined distance from vertical front ends of the plurality of lower perpendicular teeth contacting with the metal plates.

7. The shear bonding device of claim 6 , wherein extruding pressure of excess metal is set by adjusting widths and slanted angles of the slanted surfaces of the plurality of upper slanted teeth and the plurality of lower slanted teeth and a distance between the slanted front ends and the vertical front ends.

8. The shear bonding device of claim 5 , wherein the vertical interior surfaces of the upper heating clamper and lower heating clampers contacting with the plurality of upper perpendicular teeth and the plurality of lower perpendicular teeth are perpendicular to clamping surfaces for clamping the metal plates.

9. The shear bonding device of claim 1 ,
wherein the upper heating clamper includes a plurality of separated upper units disposed at upper portions of the metal plates and the lower heating clamper includes a plurality of separated lower units disposed at lower portions of the metal plates, and
wherein the upper units and the lower units are disposed alternately to each other.

10. A shear bonding device of metal plates comprising:
an upper shear bonding mold having a front end surface provided alternately with a plurality of upper perpendicular teeth formed vertically to a lower surface thereof and a plurality of upper slanted teeth formed of a slanted surface having an acute angle formed from the lower surface thereof;
a lower shear bonding mold overlapped with the upper shear bonding mold in a vertical direction by a predetermined width below the upper shear bonding mold, and having a front end surface confronting the upper shear bonding mold and provided alternately with a plurality of lower perpendicular teeth corresponding to the plurality of upper slanted teeth and formed vertically to an upper surface thereof, and a plurality of lower slanted teeth corresponding to the plurality of upper perpendicular teeth and formed of a slanted surface having an acute angle formed from the upper surface thereof;
an upper heating clamper including a front end surface contacting with the plurality of upper perpendicular teeth of the upper shear bonding mold and adapted to generate heat by receiving power from a power supply;
a lower heating clamper including a front end surface contacting with the plurality of lower perpendicular teeth of the lower shear bonding mold and adapted to generate heat by receiving power from the power supply;
an upper pressing cylinder and a lower pressing cylinder moving the upper shear bonding mold and the lower shear bonding mold upwardly or downwardly so as to apply a welding force on the metal plates disposed between the upper shear bonding mold and the upper heating clamper, and between the lower shear bonding mold and the lower heating clamper; and
an upper clamping cylinder and a lower clamping cylinder moving the upper heating clamper and the lower heating clamper upwardly or downwardly so as to apply a clamping force and a welding force on the metal plates.

11. The shear bonding device of claim 10 , wherein spaces into which excess metal of bonding portions of the metal plates is extruded are formed among the slanted surfaces formed at the plurality of upper slanted teeth and the plurality of lower slanted teeth, both end surfaces of the plurality of upper perpendicular teeth and the plurality of lower perpendicular teeth formed at both sides of the slanted surfaces, and vertical interior surfaces of the upper heating clamper and the lower heating clamper corresponding to the slanted surfaces.

12. The shear bonding device of claim 11 , wherein slanted front ends of the plurality of upper slanted teeth contacting the metal plates are receded from the front end surface of the upper shear bonding mold and have a predetermined distance from vertical front ends of the upper perpendicular teeth contacting with the metal plates, and slanted front ends of the plurality of lower slanted teeth contacting with the metal plates ar

Assignees

• Sungwoo Hitech Co Ltd
• Pukyong Nat Univ Business Incubator Center

Inventors

• Jin In Tai

Classifications

• B23K2201/185

  Operations & Transport · mapped topic

• B23D31/00

  Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines · CPC title

• B23K20/028 Primary

  Butt welding · CPC title

• B23K2101/185

  Tailored blanks · CPC title

• B23K20/023 Primary

  Thermo-compression bonding · CPC title