Metal plate heating device

Abstract

The utility model discloses a metal plate heating device, which is characterized in that an induction coil is a special-shaped induction coil corresponding to the outline of a metal plate, and at least two adjustable rod groups and four fixed connecting rod groups are arranged between the rear side of the special-shaped induction coil and the front side of a vertical plate; a set position between the upper end and the lower end of the special-shaped induction coil is connected with the vertical plate through an adjustable rod group; two sides of each end part of the special-shaped induction coil are respectively connected with the vertical plate through a fixed connecting rod group; the heating device has the advantages that the distance between the special-shaped induction coil at the position and the corresponding vertical plate can be adjusted through the adjustable rod group according to the outline of a metal plate needing to be heated, the distance between the metal plate and the special-shaped induction coil is close during heating, uniform heating of the metal plate is achieved, the embedding time of a metal plate insert is shortened, and the injection molding production efficiency is improved; the heat loss is reduced.

Description

Technical Field

[0001] The utility model relates to the field of sheet metal insert injection molding, in particular to a sheet metal heating device. Background Art

[0002] Plastic parts such as the frame of the car dashboard are reinforced by inserting sheet metal during injection molding. This process is widely used in the field of injection molding engineering. In order to ensure the bonding degree between the sheet metal insert and the plastic, the sheet metal insert is generally heated to the required temperature before the insert injection molding is performed.

[0003] At present, the heating method for large and special-shaped sheet metal inserts is basically to use equipment such as ovens to heat the sheet metal inserts by heat conduction, but this operation process is cumbersome, inefficient, and has the risk of high temperature burns. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a sheet metal heating device which can evenly heat the sheet metal and is simple and safe to operate.

[0005] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a sheet metal heating device, comprising a vertical plate, an induction coil located on the front side of the vertical plate, and a power supply fixedly arranged at the lower rear side of the vertical plate, the induction coil is electrically connected to the power supply, the induction coil is a special-shaped induction coil corresponding to the contour of the sheet metal, at least two adjustable rod groups and four fixed connecting rod groups are arranged between the rear side of the special-shaped induction coil and the front side of the vertical plate, the set position between the upper end and the lower end of the special-shaped induction coil is connected to the vertical plate through the adjustable rod group, and the two sides of each end of the special-shaped induction coil are respectively connected to the vertical plate through one of the fixed connecting rod groups.

[0006] The adjustable rod group includes an adjusting screw sleeve with a first screw hole at the rear end, a hexagonal nut, an adjusting screw with a connecting screw hole at the rear end, a first clamping sleeve with a first clamping through hole and a first fixing bolt. The front end of the adjusting screw sleeve is fixedly connected to the special-shaped induction coil, the front end of the adjusting screw is screwed forward into the first screw hole, the hexagonal nut is screwed on the outer peripheral side of the adjusting screw and pressed against the rear end of the adjusting screw sleeve, the first adjusting hole is opened on the vertical plate, the rear end of the first clamping sleeve is provided with a first clamping portion with an outer diameter larger than the front portion, the front end of the first clamping sleeve extends forward into the first adjusting hole, the front end of the first clamping portion is crimped to the rear side of the vertical plate, the front end of the first fixing bolt passes through the first clamping through hole forward and is screwed into the connecting screw hole, the rear end of the first fixing bolt is crimped to the rear end of the first clamping portion, and the rear end of the adjusting screw is crimped to the front end of the first clamping sleeve. When adjusting the distance between the set position on the special-shaped induction coil and the vertical plate, first loosen the first fixing bolt and the hexagonal nut, then rotate the adjusting screw, adjust the distance of the adjusting screw extending into the first screw hole to the specified position, and finally tighten the hexagonal nut and the first fixing bolt to complete the adjustment.

[0007] The first clamping through hole is a waist-shaped through hole. When connected, the angle can be adaptively adjusted, so as to facilitate the adjustment of the angle and distance of the adjusting screw and ensure the reliable connection between the adjusting screw and the corresponding adjusting screw sleeve.

[0008] The fixed connecting rod group includes a fixing screw sleeve with a second screw hole at the rear end, a second clamping sleeve with a second clamping through hole and a second fixing bolt. The front end of the fixing screw sleeve is fixedly connected to the special-shaped induction coil. The vertical plate is provided with a second adjustment hole. The rear end of the second clamping sleeve is provided with a second clamping portion with an outer diameter larger than the front portion. The front end of the second clamping sleeve extends forward into the second adjustment hole. The front end of the second clamping portion is crimped to the rear side of the vertical plate. The front end of the second fixing bolt passes forward through the second clamping through hole and is screwed into the second screw hole. The rear end of the second fixing bolt is crimped to the rear end of the second clamping portion. The rear end of the fixing screw sleeve is crimped to the front end of the second clamping sleeve. When fixing, first fix the second clamping sleeve in the second adjustment hole, then pass the front end of the second fixing bolt forward through the second clamping through hole and screwed into the second screw hole, and fix the second fixing bolt in the fixing screw sleeve to complete the connection between the end of the special-shaped induction coil and the vertical plate.

[0009] The second clamping through hole is a waist-shaped through hole. When connected, the angle can be adaptively adjusted, so as to facilitate the adjustment of the angle and distance of the second fixing bolt and ensure the reliable connection between the second fixing bolt and the corresponding fixing screw sleeve.

[0010] Compared with the prior art, the advantage of the utility model is that the distance between the special-shaped induction coil and the corresponding vertical plate can be adjusted by the adjustable rod group according to the contour of the sheet metal to be heated. During heating, the distance between the sheet metal and the special-shaped induction coil is relatively close, thereby achieving uniform heating of the sheet metal, shortening the embedding time of the sheet metal inserts, improving the injection molding production efficiency, reducing heat loss, and the heating operation is simple and safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the structural explosion of the utility model. DETAILED DESCRIPTION

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0014] like Figure 1 , 2 As shown, a sheet metal heating device comprises a vertical plate 1, an induction coil located at the front side of the vertical plate 1, and a power supply 2 fixedly arranged at the lower rear side of the vertical plate 1, the induction coil is a special-shaped induction coil 3 corresponding to the contour of the sheet metal, the special-shaped induction coil 3 is electrically connected to the power supply 2, two adjustable rod groups 4 and four fixed connecting rod groups 5 are arranged between the rear side of the special-shaped induction coil 3 and the front side of the vertical plate 1, the set position between the upper end and the lower end of the special-shaped induction coil 3 is connected to the vertical plate 1 through the adjustable rod group 4, and the two sides of each end of the special-shaped induction coil 3 are respectively connected to the vertical plate 1 through a fixed connecting rod group 5; the adjustable rod group 4 can also be set in multiple groups according to needs; the fixed connecting rod group 5 can also be set in multiple groups according to needs;

[0015] The adjustable rod group 4 includes an adjusting screw sleeve 41 with a first screw hole 411 at the rear end, a hexagonal nut 42, an adjusting screw rod 43 with a connecting screw hole 431 at the rear end, a first clamping sleeve 44 with a first clamping through hole 441 and a first fixing bolt 45. The front end of the adjusting screw sleeve 41 is fixedly connected to the special-shaped induction coil 3, the front end of the adjusting screw rod 43 is screwed forward into the first screw hole 411, the hexagonal nut 42 is screwed on the outer peripheral side of the adjusting screw rod 43 and pressed against the rear end of the adjusting screw sleeve 41, and the vertical plate 1 is provided with a first clamping sleeve 44 with a first clamping through hole 441. There is a first adjustment hole 11, the rear end of the first clamping sleeve 44 is provided with a first clamping portion 442 having an outer diameter larger than the front portion, the front end of the first clamping sleeve 44 extends forward into the first adjustment hole 11, the front end of the first clamping portion 442 is pressed against the rear side of the vertical plate 1, the front end of the first fixing bolt 45 passes forward through the first clamping through hole 441 and is screwed into the connecting screw hole 431, the rear end of the first fixing bolt 45 is pressed against the rear end of the first clamping portion 442, and the rear end of the adjusting screw 43 is pressed against the front end of the first clamping sleeve 44;

[0016] The first engaging through hole 441 is a waist-shaped through hole;

[0017] The fixed connecting rod group 5 includes a fixing screw sleeve 51 with a second screw hole 511 at the rear end, a second clamping sleeve 52 with a second clamping through hole 521, and a second fixing bolt 53. The front end of the fixing screw sleeve 51 is fixedly connected to the special-shaped induction coil 3. The vertical plate 1 is provided with a second adjustment hole 12. The rear end of the second clamping sleeve 52 is provided with a second clamping portion 522 with an outer diameter larger than the front portion. The front end of the second clamping sleeve 52 extends forward into the second adjustment hole 12. The front end of the second clamping portion 522 is crimped to the rear side of the vertical plate 1. The front end of the second fixing bolt 53 passes through the second clamping through hole 521 forward and is screwed into the second screw hole 511. The rear end of the second fixing bolt 53 is crimped to the rear end of the second clamping portion 522. The rear end of the fixing screw sleeve 51 is crimped to the front end of the second clamping sleeve 52.

[0018] The second engaging through hole 521 is a waist-shaped through hole;

[0019] The working principle is as follows: first, fix the positions of the two ends of the special-shaped induction coil 3 on the vertical plate 1 by fixing the connecting rod group 5, and then adjust the distance between the set position on the special-shaped induction coil 3 and the vertical plate 1 through the adjustable rod group 4. When adjusting the distance between the set position on the special-shaped induction coil 3 and the vertical plate 1, first loosen the first fixing bolt 45 and the hexagonal nut 42, and then rotate the adjusting screw 43 to adjust the distance of the adjusting screw 43 extending into the first screw hole 411 to the specified position, and finally tighten the hexagonal nut 42 and the first fixing bolt 45 to complete the adjustment.

[0020] After the robot clamps the sheet metal, it brings the sheet metal close to the sheet metal heating device, and the sheet metal can be heated with a distance of only 10 mm.

[0021] The cooling water in the externally connected chiller enters from the water inlet of the special-shaped induction coil 3, passes through the interior of the special-shaped induction coil 3, and flows out from the water outlet of the special-shaped induction coil 3, so that the temperature of the sheet metal heating device remains stable to prevent burns caused by excessive temperature.

Claims

1. A sheet metal heating device, comprising a vertical plate, an induction coil located on the front side of the vertical plate, and a power supply fixedly arranged below the rear side of the vertical plate, wherein the induction coil is electrically connected to the power supply, characterized in that The induction coil is a special-shaped induction coil corresponding to the contour of the sheet metal. At least two adjustable rod groups and four fixed connecting rod groups are arranged between the rear side of the special-shaped induction coil and the front side of the vertical plate. The set position between the upper end and the lower end of the special-shaped induction coil is connected to the vertical plate through the adjustable rod group, and the two sides of each end of the special-shaped induction coil are connected to the vertical plate through one of the fixed connecting rod groups.

2. A sheet metal heating device according to claim 1, characterized in that The adjustable rod group includes an adjusting screw sleeve with a first screw hole at the rear end, a hexagonal nut, an adjusting screw with a connecting screw hole at the rear end, a first clamping sleeve with a first clamping through hole and a first fixing bolt. The front end of the adjusting screw sleeve is fixedly connected to the special-shaped induction coil, the front end of the adjusting screw is screwed forward into the first screw hole, the hexagonal nut is screwed on the outer peripheral side of the adjusting screw and pressed against the rear end of the adjusting screw sleeve, the first adjusting hole is opened on the vertical plate, the rear end of the first clamping sleeve is provided with a first clamping portion with an outer diameter larger than the front portion, the front end of the first clamping sleeve extends forward into the first adjusting hole, the front end of the first clamping portion is crimped to the rear side of the vertical plate, the front end of the first fixing bolt passes through the first clamping through hole forward and is screwed into the connecting screw hole, the rear end of the first fixing bolt is crimped to the rear end of the first clamping portion, and the rear end of the adjusting screw is crimped to the front end of the first clamping sleeve.

3. A sheet metal heating device according to claim 2, characterized in that The first clamping through hole is a waist-shaped through hole.

4. A sheet metal heating device according to claim 1, characterized in that The fixed connecting rod group includes a fixed screw sleeve with a second screw hole at the rear end, a second clamping sleeve with a second clamping through hole and a second fixing bolt. The front end of the fixed screw sleeve is fixedly connected to the special-shaped induction coil. The vertical plate is provided with a second adjustment hole. The rear end of the second clamping sleeve is provided with a second clamping portion with an outer diameter larger than the front portion. The front end of the second clamping sleeve extends forward into the second adjustment hole. The front end of the second clamping portion is crimped to the rear side of the vertical plate. The front end of the second fixing bolt passes forward through the second clamping through hole and is screwed into the second screw hole. The rear end of the second fixing bolt is crimped to the rear end of the second clamping portion. The rear end of the fixed screw sleeve is crimped to the front end of the second clamping sleeve.

5. A sheet metal heating device according to claim 4, characterized in that The second engaging through hole is a waist-shaped through hole.

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