CN218517540U - Side forming mechanism with prevent that outward appearance spare from scotching or rupture of membranes function - Google Patents

Abstract

The utility model relates to a side forming mechanism with the function of preventing an appearance part from being scratched or broken, which comprises an upper die and a lower die, wherein the upper die is arranged above the lower die and comprises an upper die base, an upper clamping plate and an upper stripping plate; the lower mould include the lower bolster, die holder and side shaping piece, the lateral part at the lower bolster is installed to the side shaping piece, side shaping piece slidable mounting is on the lower bolster, be equipped with the actuating mechanism who makes the side shaping piece move to the lower bolster direction between upper die base and the die holder, be equipped with between upper die base and the die holder and make the side shaping piece get back to the canceling release mechanical system of initial position, be equipped with the slope on the lower bolster between lower bolster and the side shaping piece, the slope highly reduces gradually along the direction of keeping away from the lower bolster. The utility model discloses a punching press turns over can not produce great friction between book in-process side shaping piece and the work piece, and the tectorial membrane of having avoided workpiece surface receives the friction and damaged, has protected workpiece surface, has improved work piece outward appearance quality.

Description

Side forming mechanism with prevent that outward appearance spare from scotching or rupture of membranes function

Technical Field

The utility model relates to a stamping die manufacturing and designing technical field especially relates to a side forming mechanism with prevent outward appearance piece scotch or rupture of membranes function.

Background

The outer wall of integrated kitchen, lampblack absorber is the metal plate usually, and the surface of this type of metal outward appearance plate usually can be covered with one deck plastic film and protect, and because the even complete plastic film that is difficult to cover in stamping forming's plate surface, so in industry usually to flat metal outward appearance plate tectorial membrane earlier, carry out stamping forming to it again. When the edge of the metal plate needs to be bent by 180 degrees, the metal plate is usually bent by stamping by 90 degrees firstly, then the bent part of the metal plate is stamped by the side forming block from the side part, the bent part and the metal plate main body are overlapped to complete 180-degree bending of the metal plate, but when the side forming block is used for forming, the side forming block is fed linearly towards the metal plate, the side forming block can generate larger friction with the surface of the metal plate, a film on the surface of the metal plate is very easy to abrade and abrade the surface of the metal plate, and for the metal plate without a plastic film, the surface of the metal plate can be abraded more seriously, so that the quality of the outer surface of the metal plate is affected, and the sale is influenced.

Chinese patent CN107088617A discloses a stamping side forming die, which comprises a lower template, wherein a driving block and a guide block are fixedly mounted on the lower template, and a first inclined surface is arranged on one side of the driving block close to the guide block; the backing plate is slidably arranged above the lower template, and the driving block and the guide block both penetrate through the backing plate; the forming block is fixedly arranged on the base plate and is positioned between the driving block and the guide block; the sliding block is slidably arranged on the base plate and is positioned between the forming block and the driving block, and a second inclined surface attached to the first inclined surface is arranged on one side, close to the driving block, of the sliding block; the sliding block is connected with the forming block through a first elastic element; the limiting pressing block is arranged on the base plate, one side of the limiting pressing block is abutted against the driving block, and the sliding block can be abutted against the limiting pressing block; the upper die plate is slidably arranged above the base plate and can compress the limiting pressing block. The invention carries out limiting through the limiting pressing block, does not need to additionally arrange a limiting mechanism, has simple structure, but the forming block of the invention is fed linearly and generates larger friction with the surface of a workpiece, thereby damaging the surface of the workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model provides a side forming mechanism with prevent that outward appearance piece is scotch or rupture of membranes function to workpiece surface easily produces wearing and tearing damage scheduling problem when mould side shaping among the solution prior art.

In order to solve the technical problem, the utility model provides a technical scheme does:

the utility model relates to a side forming mechanism with prevent that outward appearance piece from scotching or rupture of membranes function, it includes upper die and lower mould, and the upper die is installed above the lower mould, the upper die include upper die base, punch holder and upper stripper plate, the punch holder is installed below the upper die base, the upper stripper plate is installed below the punch holder; the lower mould include the lower bolster, die holder and side shaping piece, the lower bolster is installed in the die holder top, the lower bolster is installed in the lower bolster top, the lateral part at the lower bolster is installed to the side shaping piece, side shaping piece slidable mounting is on the lower bolster, be equipped with the actuating mechanism who makes side shaping piece move to the lower bolster direction between upper die base and the die holder, be equipped with the canceling release mechanical system who makes side shaping piece get back to initial position between upper die base and the die holder, be equipped with the slope on the lower bolster between lower bolster and the side shaping piece, the slope highly reduces gradually along the direction of keeping away from the lower bolster.

Preferably, the device also comprises a deflection block, the slope is positioned at the upper part of the deflection block, and the deflection block is fixedly embedded in the lower backing plate, so that the manufacturing and the installation of the die are facilitated.

Preferably, the driving mechanism comprises an upper fork knife, the upper fork knife is mounted on the side portion of the upper clamping plate, an inclined plane facing towards one side of the lower template is arranged at the lower portion of the upper fork knife, an inclined plane parallel to the inclined plane at the lower portion of the upper fork knife is arranged on the side forming block, and the inclined plane at the lower portion of the upper fork knife vertically corresponds to the inclined plane on the side forming block.

Preferably, canceling release mechanical system include by piece, spring and release link, the lateral part of leaning on the piece installation at the lower bolster, the release link pass by the piece and with lean on piece sliding fit, release link and side shaping piece fixed connection, the one end of keeping away from side shaping piece on the release link is equipped with the stopper, the spring housing establish on the release link between leaning on piece and stopper.

Preferably, the backrest block is provided with a waist-shaped hole with the length direction in the vertical direction, and the reset rod penetrates through the waist-shaped hole. The holes through which the reset lever passes need to ensure that the reset lever can move up and down therein, and preferably do not produce horizontal radial movement, due to the up and down movement of the reset lever in the rest block.

Preferably, the edge of the side forming block, which is in contact with the workpiece to be machined, is of a round angle structure, so that the workpiece is convenient to form.

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model relates to a side forming mechanism with prevent that outward appearance piece from scotching or rupture of membranes function, wherein the shaping course of side shaping piece includes two stages, first stage side shaping piece towards lower template direction linear motion, the interval of side shaping piece upper surface and upper stripper plate is great this moment, push the work piece kink inwards; second stage side shaping piece contacts the slope and produces ascending motion, upwards presses the kink that pushes up first stage work piece, accomplishes 180 of work piece and buckles, is different from traditional side shaping piece and directly pushes away the 180 modes of turning over in the kink straight line of work piece, the utility model discloses a punching press turns over and can not produce great friction between an in-process side shaping piece and the work piece, and the tectorial membrane of having avoided workpiece surface receives the friction and damaged, has protected workpiece surface, has improved work piece appearance quality.

Drawings

Fig. 1 is a perspective view of a side forming mechanism having a function of preventing an appearance member from being scratched or broken;

fig. 2 is a plan view of a side forming mechanism having a function of preventing an appearance member from being scratched or broken;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

fig. 4 is a partially enlarged view at B in fig. 3.

Illustration of the drawings: 1. the device comprises an upper die holder, 2, an upper clamping plate, 3, an upper stripper plate, 4, a lower die plate, 5, a lower backing plate, 6, a lower die holder, 7, a reset mechanism, 71, a leaning block, 711, a waist-shaped hole, 72, a reset rod, 721, a stop head, 73, a spring, 8, a side forming block, 9, a deflection block, 91, a slope, 10, an upper fork knife, 11 and a workpiece.

Detailed Description

For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.

Referring to fig. 1 to 4, the utility model relates to a side forming mechanism with function of preventing an appearance part from being scratched or broken, which comprises an upper die and a lower die, wherein the upper die is arranged above the lower die, the upper die comprises an upper die holder 1, an upper clamping plate 2 and an upper stripper plate 3, the upper clamping plate 2 is arranged below the upper die holder 1, and the upper stripper plate 3 is arranged below the upper clamping plate 2; the lower mould include lower bolster 4, the lower bolster 5, die holder 6 and side shaping piece 8, lower bolster 5 is installed in die holder 6 top, lower bolster 4 is installed in lower bolster 5 top, side shaping piece 8 is installed in the lateral part of lower bolster 4, side shaping piece 8 slidable mounting is on lower bolster 5, be equipped with the actuating mechanism who makes side shaping piece 8 move to 4 directions of lower bolster between upper die base 1 and the die holder 6, be equipped with between upper die base 1 and the die holder 6 and make side shaping piece 8 get back to the canceling release mechanical system 7 of initial position, be equipped with the slope on the lower bolster 5 between lower bolster 4 and the side shaping piece 8, the slope highly reduces gradually along the direction of keeping away from lower bolster 4.

Referring to fig. 3 to 4, the present embodiment further includes a deflection block 9, the slope 91 is located at an upper portion of the deflection block 9, and the deflection block 9 is fixedly embedded in the lower cushion plate 5, so as to facilitate manufacturing and installation of the mold. The driving mechanism comprises an upper fork knife 10, the upper fork knife 10 is installed on the side portion of the upper clamping plate 2, an inclined plane facing to one side of the lower template is arranged on the lower portion of the upper fork knife 10, an inclined plane parallel to the inclined plane on the lower portion of the upper fork knife 10 is arranged on the side forming block 8, and the inclined plane on the lower portion of the upper fork knife 10 corresponds to the inclined plane on the side forming block 8 up and down. The reset mechanism 7 comprises a rest block 71, a spring 73 and a reset rod 72, wherein the rest block 71 is installed on the side portion of the lower base plate 5, the reset rod 72 penetrates through the rest block 71 and is in sliding fit with the rest block 71, the reset rod 72 is fixedly connected with the side forming block 8, the reset rod and the side forming block are fixedly connected in a threaded mode in the embodiment, a blocking head 721 is arranged at one end, far away from the side forming block 8, of the reset rod 72, and the spring 73 is sleeved on the reset rod 72 between the rest block 71 and the blocking head 721. Because the reset rod 72 in the rest block 71 has a vertical movement, a hole through which the reset rod 72 passes needs to ensure that the reset rod can move up and down therein, and preferably does not generate a horizontal radial movement, so in this embodiment, a waist-shaped hole 711 having a vertical direction in the length direction is formed in the rest block 71, and of course, a structure such as a circular hole or a groove having a larger diameter may also be used, and the reset rod 72 passes through the waist-shaped hole 711. The edge of the side forming block 8, which is in contact with the processing workpiece 11, is of a round angle structure, so that the workpiece can be formed conveniently.

When the forming device works, the forming device is firstly arranged in a stamping device, a workpiece which is bent by 90 degrees is arranged in a forming mechanism, an upper fork knife 10 in an upper die moves downwards under the action of the stamping device until an inclined plane at the lower part of the upper fork knife contacts with an inclined plane on a side forming block 8, and the side forming block 8 starts to work under stress; the forming process of the side forming block 8 comprises two stages, wherein in the first stage, the side forming block 8 linearly moves towards the direction of the lower template 4, the distance between the upper surface of the side forming block 8 and the upper stripping plate 3 is larger, and the bent part of the workpiece 11 is pushed inwards; the second-stage side forming block 8 contacts the slope 91 on the deflection block 9 to generate upward movement, the bending part pushed upwards and inwards of the workpiece in the first stage is pressed upwards to complete 180-degree bending of the workpiece, the upper die rises after forming, the upper fork cutter 10 moves upwards, and the side forming block 8 returns to the initial position under the action of the reset mechanism 7. Be different from traditional side shaping piece and directly push away in order to turn over 180 modes of rolling over in the kink straight line of work piece, the utility model discloses a can not produce great friction between the in-process side shaping piece of rolling over and the work piece, the tectorial membrane of having avoided work surface receives the friction and damaged, has protected work surface, has improved work piece outward appearance quality.

The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (6)

1. A side forming mechanism with prevent outward appearance piece scotch or rupture of membranes function which characterized in that: the upper die comprises an upper die seat, an upper clamping plate and an upper stripping plate, wherein the upper die is arranged above the lower die; the lower mould include the lower bolster, die holder and side shaping piece, the lower bolster is installed in the die holder top, the lower bolster is installed in the lower bolster top, the lateral part at the lower bolster is installed to the side shaping piece, side shaping piece slidable mounting is on the lower bolster, be equipped with the actuating mechanism who makes side shaping piece move to the lower bolster direction between upper die base and the die holder, be equipped with the canceling release mechanical system who makes side shaping piece get back to initial position between upper die base and the die holder, be equipped with the slope on the lower bolster between lower bolster and the side shaping piece, the slope highly reduces gradually along the direction of keeping away from the lower bolster.

2. The side molding mechanism having a function of preventing an appearance member from being scratched or broken as set forth in claim 1, wherein: the slope is positioned at the upper part of the deflection block, and the deflection block is embedded and fixedly installed in the lower base plate.

3. The side molding mechanism having a function of preventing an appearance member from being scratched or broken as set forth in claim 1, wherein: the driving mechanism comprises an upper fork knife which is arranged on the side part of the upper clamping plate, an inclined plane which faces one side of the lower template in the direction is arranged on the lower part of the upper fork knife, an inclined plane which is parallel to the inclined plane on the lower part of the upper fork knife is arranged on the side forming block, and the inclined plane on the lower part of the upper fork knife corresponds to the inclined plane on the side forming block up and down.

4. The side molding mechanism having a function of preventing an appearance member from being scratched or broken as set forth in claim 1, wherein: reset mechanism include by piece, spring and release link, the lateral part of piece installation at the lower bolster by the piece, the release link pass by the piece and with by piece sliding fit, release link and side shaping piece fixed connection, the one end of keeping away from side shaping piece on the release link is equipped with the dog, the spring housing establish on the release link between by piece and dog.

5. The side molding mechanism having a function of preventing the appearance member from being scratched or broken as set forth in claim 4, wherein: the back block is provided with a waist-shaped hole with the length direction in the vertical direction, and the reset rod penetrates through the waist-shaped hole.

6. The side molding mechanism having a function of preventing an appearance member from being scratched or broken as set forth in claim 1, wherein: the edge of the side forming block, which is contacted with the processing workpiece, is of a fillet structure.

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