CN214160967U - A90 degrees angle one shot forming mechanism for auto parts - Google Patents
A90 degrees angle one shot forming mechanism for auto parts Download PDFInfo
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- CN214160967U CN214160967U CN202023258204.5U CN202023258204U CN214160967U CN 214160967 U CN214160967 U CN 214160967U CN 202023258204 U CN202023258204 U CN 202023258204U CN 214160967 U CN214160967 U CN 214160967U
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Abstract
The utility model discloses a 90-degree angle one-step forming mechanism for automobile parts, which comprises an upper die part and a lower die part, wherein the lower die part comprises a lower die holder, a lower padding plate, a swinging block and a top bottom; the upper part of the swing block facing to the top and bottom is provided with a forming groove, and the opposite side of the upper template and the swing block is provided with a pressing part matched with the forming groove. The utility model discloses a mutual cooperation of mechanisms such as swing piece, top end, cope match-plate pattern, leaning on piece, lower thimble can realize once only accomplishing the shaping of bending at 90 degrees angles in one set of equipment, have need not to shift work piece, production efficiency height, bend effectual, the precision height that bends advantage, saved stamping forming's step, reduced man-hour to mould cost and punch press quantity have been saved.
Description
Technical Field
The utility model relates to an auto parts makes technical field, concretely relates to 90 degrees angle forming structure of bending for auto parts.
Background
In the industrial production process of automobile parts and the like, certain workpieces are required to be folded by 90 degrees frequently. In the conventional forming process, the 90-degree angle is generally bent in two steps, i.e., one set of device is used for preliminary forming, and then the other set of device is used for final forming. The disadvantages of this molding method are that firstly, the operation is relatively troublesome, and especially the transfer operation of the workpiece is also required, which takes a long time and has low production efficiency; secondly, the cost of the required forming die is higher, and more punching equipment is also required to be configured; thirdly, the molding is carried out in two steps, which has bad influence on the molding effect of the product and has poor molding effect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a 90 degrees angle one shot forming mechanism for auto parts that realizes that simple structure, product shaping effect, production efficiency are higher, the mould cost is lower.
In order to solve the technical problem, the utility model adopts the following technical scheme: a90-degree angle one-step forming mechanism for automobile parts comprises an upper die part and a lower die part, wherein the lower die part comprises a lower die base, a lower backing plate and a top bottom; go up the mould part including cope match-plate pattern and upper padding plate, the bottom surface of cope match-plate pattern fixed at the upper padding plate, its characterized in that: the lower die part also comprises a swinging block, the outer side of the swinging block is provided with a leaning block for the swinging block to lean against, and the leaning block is fixed on the lower backing plate; the inner side of the swinging block is abutted against the side surface of the top bottom, the swinging block is arranged on the lower cushion plate by a fixed rotating shaft center, and a structure capable of swinging and rotating in a space between the top bottom and the leaning block along the rotating shaft center is formed; the upper part of the swing block facing to the top and bottom sides is provided with a forming groove for forming a 90-degree angle for the workpiece, and the angle of the forming groove is slightly smaller than 90 degrees, such as 88 degrees, because the metal workpiece has certain toughness, the formed part after the die opening can rebound in a small range, so that the formed part after the rebound is just 90 degrees; the edge of the bottom of the opposite side of the upper template and the swing block is provided with a pressing part matched with the forming groove, and after a workpiece is placed on the top bottom, the upper die part is pressed downwards to enable the pressing part of the upper template to press the part to be formed of the workpiece into the forming groove of the swing block, so that the workpiece forms an angle of 90 degrees.
Furthermore, a lower thimble is fixed in the lower die holder through a thimble spring, and the top end of the lower thimble penetrates through the lower backing plate to be jacked on one side of the bottom surface of the swinging block close to the top bottom, so that a resetting structure of the swinging block during die opening is formed.
Furthermore, a first avoidance chamfer is arranged at the corner part of the bottom edge of the forming groove of the swing block, which is opposite to the top bottom, a second avoidance chamfer is arranged at the corner part of the bottom of the swing block, which is aligned with the lower cushion plate, and a third avoidance chamfer is arranged at the corner part of the side surface of the swing block, which is aligned with the lower part of the leaning block; when the die is closed, the swing block rotates to a position where the first avoidance chamfer is abutted against the side face of the top bottom, the second avoidance chamfer is abutted against the upper surface of the lower base plate, and the third avoidance chamfer is abutted against the inner side face of the abutment block.
Further, the top end of the lower ejector pin abuts against the second avoiding chamfer.
Furthermore, an upper thimble is fixed in the upper backing plate through another thimble spring, the lower end of the upper thimble penetrates through the upper template and penetrates out of the lower surface of the upper template, and the bottom end of the upper thimble is pressed on the workpiece and retracts into the upper template in a die closing state.
Furthermore, the first, second and third avoidance chamfers have the same chamfer angle so as to be adapted to the space between the top and the bottom and the rest block.
In the mold opening state, the swinging block jacks up the swinging block to enable the molding groove to incline upwards under the action force of the lower ejector pin and the ejector pin spring thereof.
When the die is closed, the upper ejector pin firstly contacts a workpiece placed on the top bottom, the top bottom descends along with the upper die part, and the workpiece starts to press the swinging block. Under the pressure action of the workpiece, the swinging block starts to rotate towards the top and bottom direction until the first avoidance chamfer completely abuts against the side face of the top and bottom, and at the moment, the part to be formed of the workpiece is pressed into the forming groove of the swinging block by the forming part of the upper template to realize the forming of a 90-degree angle.
Then the upper die part is lifted to open the die, the spring pushes the top and the bottom to be lifted, the workpiece does not press the swinging block any more, and the swinging block starts to rotate back to the original position under the action of the lower thimble. Thus, a working stroke is completed.
The utility model discloses a mutual cooperation of mechanisms such as swing piece, top end, cope match-plate pattern, leaning on piece, lower thimble can realize once only accomplishing the shaping of bending at 90 degrees angles in one set of equipment, have need not to shift work piece, production efficiency is high, bend effectually, bend advantages such as precision height, saved stamping forming's process step, reduced punching press man-hour to mould cost and punch press quantity have been saved.
Drawings
FIG. 1 is a schematic view of the mold opening state of the present invention;
fig. 2 is a schematic view of the mold closing state of the present invention.
In the figure, 1 is a lower die base, 11 is a spring, 12 is a lower ejector pin, 2 is a lower backing plate, 3 is a swing block, 31 is a forming groove, 32 is a first avoiding chamfer, 33 is a second avoiding chamfer, 34 is a third avoiding chamfer, 35 is a rotating shaft center, 4 is an leaning block, 5 is a top bottom, 6 is an upper die plate, 7 is an upper backing plate, 8 is an upper ejector pin, and 9 is a workpiece.
Detailed Description
In the embodiment, referring to fig. 1 and 2, the 90-degree angle one-step forming mechanism for the automobile parts comprises an upper die part and a lower die part, wherein the lower die part comprises a lower die base 1, a lower backing plate 2 and a top bottom 5, the lower backing plate 2 is installed on the lower die base 1, the top bottom 5 is installed on the lower backing plate 2 through a spring 11, and the spring 11 penetrates through the lower backing plate 2 and is fixed in the lower die base 1; the upper die part comprises an upper die plate 6 and an upper backing plate 7, and the upper die plate 6 is fixed on the bottom surface of the upper backing plate 7; the lower die part also comprises a swinging block 3, the outer side of the swinging block 3 is provided with a leaning block 4 for the swinging block to lean against, and the leaning block 4 is fixed on the lower backing plate 2; the inner side of the swing block 3 is abutted against the side surface of the top bottom 5, the swing block 3 is arranged on the lower cushion plate 2 by a fixed rotation axis 35, and a structure capable of swinging and rotating in the space between the top bottom 5 and the leaning block 4 along the rotation axis 35 is formed; the upper position of the swing block 3 facing to the top and bottom 5 side is provided with a forming groove 31 for forming a 90-degree angle for the workpiece, the angle of the forming groove 31 is slightly smaller than 90 degrees, such as 87 degrees and 88 degrees, because the metal workpiece has certain toughness, the formed part after the mold opening can have small-amplitude rebound, so that the formed part after the rebound is just 90 degrees; the edge of the bottom of the upper template 6 opposite to the swing block 3 is provided with a pressing part matched with the forming groove 31, and after the workpiece 9 is placed on the top bottom 5, the upper template part is pressed downwards to enable the pressing part of the upper template 6 to press the part to be formed of the workpiece 9 into the forming groove 31 of the swing block 3, so that the workpiece 9 forms a 90-degree angle.
A lower thimble 12 is fixed in the lower die holder 1 through a thimble spring, and the top end of the lower thimble 12 penetrates through the lower cushion plate 2 and is propped against one side of the bottom surface of the swing block 3 close to the top bottom 5, so as to form a reset structure of the swing block 3 during die opening.
A first avoidance chamfer 32 is arranged at the corner part of the bottom edge of the forming groove 31 of the swing block 3 opposite to the top bottom 5, a second avoidance chamfer 33 is arranged at the corner part of the bottom of the swing block 3 aligned with the lower cushion plate 2, and a third avoidance chamfer 34 is arranged at the lower corner part of the side face of the swing block 3 aligned with the rest block 4; in the clamped state, the swing block 3 rotates until the first clearance chamfer 32 abuts against the side surface of the top bottom 5, the second clearance chamfer 33 abuts against the upper surface of the lower shim plate 2, and the third clearance chamfer 34 abuts against the inner side surface of the backup block 4. The top end of the lower thimble 12 abuts on the second avoiding chamfer 33.
An upper ejector pin 8 is fixed in the upper bolster plate 7 through another ejector pin spring, the lower end of the upper ejector pin 8 penetrates through the upper die plate 6 and penetrates out of the lower surface of the upper die plate 6, and the bottom end of the upper ejector pin 8 is pressed on a workpiece 9 and retracted into the upper die plate 6 in a die closing state.
The first avoiding chamfer 32, the second avoiding chamfer 33 and the third avoiding chamfer 34 have the same chamfer angle so as to be just matched with the space between the top and the bottom 5 and the leaning block 4.
In the mold opening state, the swing block 3 is pushed up by the urging force of the lower ejector pin 12 and the ejector pin spring thereof until the forming groove 31 is inclined upward, so that the forming portion of the workpiece 9 can be pressed in.
When the mold is closed, the upper ejector pin 8 first contacts the workpiece 9 placed on the top and bottom 5, and as the upper mold portion continues to descend, the top and bottom 5 then descends, and the workpiece 9 starts to press the swing block 3. Under the pressure action of the workpiece 9, the swing block 3 starts to rotate towards the top and bottom 5 until the first avoiding chamfer 32 completely abuts against the side surface of the top and bottom 5, and at the moment, the part to be formed of the workpiece 9 is pressed into the forming groove 31 of the swing block 3 by the forming part of the upper template 6 to realize the forming of a 90-degree angle.
Then the upper die part is lifted to open the die, the spring 11 pushes the top and bottom 5 to lift, the workpiece 9 no longer presses the swinging block 3, and the swinging block 3 starts to rotate back to the original position under the action of the lower ejector pin 12. Thus, a working stroke is completed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (6)
1. A90-degree angle one-step forming mechanism for automobile parts comprises an upper die part and a lower die part, wherein the lower die part comprises a lower die base, a lower backing plate and a top bottom; go up the mould part including cope match-plate pattern and upper padding plate, the bottom surface of cope match-plate pattern fixed at the upper padding plate, its characterized in that: the lower die part also comprises a swinging block, the outer side of the swinging block is provided with a leaning block for the swinging block to lean against, and the leaning block is fixed on the lower backing plate; the inner side of the swinging block is abutted against the side surface of the top bottom, the swinging block is arranged on the lower cushion plate by a fixed rotating shaft center, and a structure capable of swinging and rotating in a space between the top bottom and the leaning block along the rotating shaft center is formed; the upper portion position of the swing block towards one side of the top bottom is provided with a forming groove used for forming a 90-degree angle for a workpiece, the bottom edge of one side, opposite to the swing block, of the upper die plate is provided with a pressing portion matched with the forming groove, and after the workpiece is placed on the top bottom, the upper die portion presses downwards to enable the pressing portion of the upper die plate to press a portion, to be formed, of the workpiece into the forming groove of the swing block, so that the workpiece forms the 90-degree angle.
2. The 90 degree angle one shot forming mechanism for auto parts of claim 1, wherein: a lower thimble is fixed in the lower die holder through a thimble spring, and the top end of the lower thimble penetrates through the lower backing plate to be propped on one side of the bottom surface of the swinging block close to the top bottom, so that a resetting structure of the swinging block during die opening is formed.
3. The 90 degree angle one shot forming mechanism for auto parts of claim 2, wherein: a first avoidance chamfer is arranged at the corner part of the bottom edge of the forming groove of the swing block, which is opposite to the top bottom, a second avoidance chamfer is arranged at the corner part of the bottom of the swing block, which is aligned with the lower cushion plate, and a third avoidance chamfer is arranged at the corner part of the side surface of the swing block, which is aligned with the lower part of the abutment block; when the die is closed, the swing block rotates to a position where the first avoidance chamfer is abutted against the side face of the top bottom, the second avoidance chamfer is abutted against the upper surface of the lower base plate, and the third avoidance chamfer is abutted against the inner side face of the abutment block.
4. The 90 degree angle one shot forming mechanism for auto parts of claim 3, wherein: the top end of the lower thimble is abutted against the second avoidance chamfer.
5. The 90 degree angle one shot forming mechanism for auto parts of claim 1, wherein: an upper thimble is fixed in the upper backing plate through another thimble spring, the lower end of the upper thimble penetrates through the upper template and penetrates out of the lower surface of the upper template, and the bottom end of the upper thimble is pressed on a workpiece and retracted into the upper template in a die closing state.
6. The 90 degree angle one shot forming mechanism for auto parts of claim 3, wherein: the first, second and third avoiding chamfers have the same chamfer angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023258204.5U CN214160967U (en) | 2020-12-29 | 2020-12-29 | A90 degrees angle one shot forming mechanism for auto parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023258204.5U CN214160967U (en) | 2020-12-29 | 2020-12-29 | A90 degrees angle one shot forming mechanism for auto parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214160967U true CN214160967U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023258204.5U Active CN214160967U (en) | 2020-12-29 | 2020-12-29 | A90 degrees angle one shot forming mechanism for auto parts |
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| Country | Link |
|---|---|
| CN (1) | CN214160967U (en) |
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2020
- 2020-12-29 CN CN202023258204.5U patent/CN214160967U/en active Active
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