CN217570457U - Bending die - Google Patents
Bending die Download PDFInfo
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- CN217570457U CN217570457U CN202221102732.8U CN202221102732U CN217570457U CN 217570457 U CN217570457 U CN 217570457U CN 202221102732 U CN202221102732 U CN 202221102732U CN 217570457 U CN217570457 U CN 217570457U
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- bending
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Abstract
The utility model discloses a bending die, which comprises a die frame, a cylinder, a die handle, an upper die plate, a lower bending punch, a lower die backing plate, an upper bending punch, an upper movable punch, a side upper movable punch, an upper lifting mechanism, a lower forming block, a lower forming stripping block, a lower bending insertion block, a lower bending spring and a limiting pin; the cylinder is connected with the upper template through the die handle, the lower bending punch is fixed at the bottom of the die frame through the lower die base plate, the upper bending punch is fixed on the upper template, the upper movable punch and the side upper movable punch are movably arranged in the upper bending punch in a penetrating mode, the lower forming block is movably sleeved in the lower bending punch, the lower forming stripping block is movably arranged in the lower forming block in a penetrating mode, and the lower bending insertion block is hinged to the lower bending punch. Because the utility model discloses an go up the activity punching pin and can carry out V type shaping earlier on the product, then the activity punching pin that inclines can carry out two V type shaping to the product to with the synthetic one set of mould more than two sets, accomplish three steps of shaping, have convenient operation swift, low in manufacturing cost's advantage.
Description
Technical Field
The utility model relates to a stamping die especially relates to a bender.
Background
A stamping die is a special process device for processing materials (metal or nonmetal) into parts in cold stamping. Three-step forming process effect needs to be made by a traditional bending die, three sets of bending dies need to be designed generally, the size is guaranteed to be accurate, accurate positioning equipment and labor cost are high for process size, and production cost is high.
Disclosure of Invention
An object of the utility model is to provide a convenient operation is swift, low in manufacturing cost's bender.
To achieve the above purpose, the technical solution of the present invention is:
the utility model relates to a bending die, which comprises a die frame, a cylinder, a die handle, an upper die plate, a lower bending punch, a lower die backing plate, an upper bending punch, an upper movable punch, more than one upper movable punch, a plurality of upper buoyancy lifting mechanisms, a lower forming block, a lower forming stripping block, a lower bending entering block, a lower bending spring and a limiting pin;
the cylinder body of the air cylinder is fixedly arranged on the top surface of the die frame, the rod end of a piston rod of the air cylinder penetrates through the top surface of the die frame downwards and then is connected with the upper end of a die handle, the lower end of the die handle is connected with the upper die plate, and the lower bending punch is fixed at the bottom of the die frame through a lower die base plate; the upper ends of the upper movable punch and the more than one upper movable punch are respectively abutted against the plurality of upper lifting mechanisms, and the plurality of upper lifting mechanisms are all arranged in the upper template; the lower forming block is movably sleeved in the lower bending punch, the top surface of the lower forming block is opposite to the upper bending punch, the lower forming stripping block is movably arranged in the lower forming block in a penetrating manner, the lower end of the lower forming stripping block is abutted against a stripping spring, a lower bending female die and an inlet bending female die are respectively arranged on the top surfaces of the lower forming block and the lower forming stripping block, and the lower bending female die and the inlet bending female die are respectively opposite to the upper bending punch and the side upper movable punch; the upper portion of the lower bending insert is hinged to the lower bending punch, the inner side of the lower bending insert is located below the lower forming block, the lower bending insert abuts against the lower bending punch to press the lower forming block, two ends of the lower bending spring are connected to the lower bending insert and the lower bending punch respectively (namely the lower bending insert 17 and the lower bending punch 7) to reset the lower bending insert, a stop block is arranged on the outer wall of the lower bending insert and can abut against a limiting pin, and the limiting pin is fixed on the lower bending punch and located on a moving track of the stop block of the lower bending insert.
The utility model also comprises a lower forming block spring and a forming block plug; the bottom surface of the lower forming block abuts against the lower forming block spring, the lower forming block spring is installed in the lower bending punch and the lower die base plate, the lower end of the lower forming block spring abuts against the forming block plug, and the forming block plug is fixed to the bottom of the die frame.
The utility model also comprises a stripping spring and a stripping plug; the stripping spring is arranged in the lower bending punch and the lower die base plate, the lower end of the stripping spring abuts against the stripping plug, and the stripping plug is fixed at the bottom of the die frame.
The utility model also comprises a positioning mechanism; the positioning mechanism comprises a positioning pin, a positioning spring and a positioning plug; the upper end of the positioning pin movably penetrates through the lower forming block, the lower end of the positioning pin abuts against the positioning spring, the lower end of the positioning spring abuts against the positioning plug, and the positioning plug is fixed at the bottom of the mold frame.
The utility model also comprises a guiding mechanism; a guide mechanism is arranged between the upper template and the lower template.
The upward floating mechanism consists of a floating ejector rod, a floating spring and a floating plug; the floating ejector rod is movably arranged in the upper template in a penetrating way, the lower end of the floating ejector rod abuts against the upper movable punch or the side upper movable punch, two ends of the floating spring respectively abut against the lower end of the floating ejector rod and the floating plug, and the floating plug is fixed on the upper template.
After the scheme of the above, because the utility model discloses an go up the activity punching pin, more than one side activity punching pin, lower shaping piece, the piece is taken off in the shaping down, go up the activity punching pin and take off the piece cooperation with lower shaping and can carry out the V type shaping more than one on the product earlier, then more than one side activity punching pin can carry out the V type shaping more than one to the product with lower shaping piece cooperation, thereby it is one set to synthesize the mould more than the two sets, will originally need many equipment production to reduce to only one, personnel also only need one, from the complicated location of many sets of moulds now as long as once fix a position, just can accomplish three step fashioned technological effects, thereby improve the product percent of pass greatly, the utility model has the advantages of convenient operation is swift, low in manufacturing cost.
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the mold opening state of the present invention;
FIG. 2 is a schematic view of a first bending step of the present invention;
FIG. 3 is a schematic view of a second bending step of the present invention;
FIG. 4 is a schematic view of a third step of bending of the present invention;
FIG. 5 is a schematic diagram of the return process of the present invention;
fig. 6 is a schematic view of the present invention returning to the top dead center.
Detailed Description
As shown in fig. 1, the utility model relates to a bending die, including cylinder 1, framed 2, die shank 3, cope match-plate pattern 4, the punch 5 of bending down, lower backing plate 6, the punch 7 of bending on, the punch 8 of moving about on, two side activity punches 9, three buoyancy lift mechanism 10, lower shaping piece 11, lower shaping piece spring 12, shaping piece end cap 13, the shaping takes off piece 14 down, takes off a spring 15, takes off a end cap 16, bend down and go into piece 17, bend down spring 18 down, positioning mechanism 19, spacer pin 20, guiding mechanism 30.
The cylinder body of the cylinder 1 is fixedly arranged on the top surface 21 of the die frame 2, the rod end of a piston rod of the cylinder 1 penetrates through the top surface of the die frame 2 downwards and then is connected with the upper end of the die shank 3, the lower end of the die shank 3 is connected with the upper die plate 4, and the lower bending punch 5 is fixed at the bottom 22 of the die frame 2 through the lower die base plate 6; the upper end of the upper bending punch 7 is fixed on the upper template 4, the upper movable punch 8 and the two side upper movable punches 9 are movably arranged in the upper bending punch 7 in a penetrating manner, the upper ends of the upper movable punch 8 and the two side upper movable punches 9 are respectively abutted against the three upper floating mechanisms 10, and the three upper floating mechanisms 10 are all arranged in the upper template 4; the lower forming block 11 is movably sleeved in the lower bending punch 5, the top surface of the lower forming block 11 is opposite to the upper bending punch 7, the bottom surface of the lower forming block 11 abuts against the lower forming block spring 12, the lower forming block spring 12 is installed in the lower bending punch 5 and the lower die base plate 6, the lower end of the lower forming block spring 12 abuts against a forming block plug 13, the forming block plug 13 is fixed at the bottom 22 of the die frame 2, the lower forming stripping block 14 is movably arranged in the lower forming block 11 in a penetrating manner, the lower end of the lower forming stripping block 14 abuts against a stripping spring 15, the stripping spring 15 is installed in the lower bending punch 5 and the lower die base plate 6, the lower end of the stripping block plug spring 15 abuts against a stripping block plug 16, the stripping block 16 is fixed at the bottom 22 of the die frame 2, a lower bending female die 111 and two bending female dies 141 are respectively arranged on the top surfaces of the lower forming block 11 and the lower forming stripping block 14, and the lower bending female dies 111 and the two bending female dies 141 are respectively opposite to the upper movable punch 8 and the upper movable punch 9; the upper portion of the lower bending insert 17 is hinged to the lower bending punch 5, the inner side of the lower bending insert 17 is located below the lower forming block 11, so that the lower bending insert 17 pushes down the forming block 11 to form a product, two ends of the lower bending spring 18 are connected to the bending insert 17 and the bending punch 7 respectively, the bending insert 17 is round and rotates along with the tightness of the lower bending spring 18 and the up-and-down movement of the lower forming block 11, when the mold is opened, the lower forming block 11 also moves up under the action of the lower forming block spring 12 along with the up-movement of the lower bending punch 5, the lower bending spring 18 tensions the bending insert 17 to rotate rightwards to reset the lower bending insert 17, a stop 171 is arranged on the outer wall of the lower bending insert 17, the stop 171 can abut against a limit pin 20, and the limit pin 20 is fixed on the lower bending punch 5 and located on the moving track of the stop of the lower bending insert 17. A guide mechanism 30 is arranged between the upper die plate 4 and the lower die base plate 6. The positioning mechanism 19 comprises a positioning pin 191, a positioning spring 192 and a positioning plug 193; the upper end of the positioning pin 191 movably penetrates through the lower molding block 11 and can extend out of the top surface of the lower molding block 11 to play a positioning role, the lower end of the positioning pin 191 abuts against the positioning spring 192, the lower end of the positioning spring 192 abuts against the positioning plug 193, and the positioning plug 193 is fixed at the bottom 22 of the mold frame 2.
The upward floating mechanism 10 consists of a floating ejector rod 101, a floating spring 102 and a floating plug 103; the floating ejector rod 101 movably penetrates through the upper template 4, the lower end of the floating ejector rod 101 abuts against the upper movable punch 8 or the upper movable punch 9, two ends of the floating spring 102 respectively abut against the lower end of the floating ejector rod 101 and the floating plug 103, and the floating plug 103 is fixed on the upper template 4.
The utility model discloses a theory of operation:
1. as shown in fig. 1, the mold-open state: the upper die plate 4 descends to prepare for the start operation.
2. As shown in fig. 2, the first step of bending: and (3) forming V-shaped in the first step, wherein the upper template 4 moves downwards, the upper movable punch 8 is contacted with the lower forming stripping block 14, and the material belt is compressed to complete the V-shaped forming in the first step.
3. As shown in fig. 3, the second bending step: and secondly, forming two V-shaped forms, wherein the upper template 4 continues to move downwards, the upper movable forming punch 8 is kept still, the side upper movable punch 9 is contacted with the lower forming block 11, and the material belt is compressed to complete the second V-shaped forming.
4. As shown in fig. 4, the third step of bending (U-bend): the mold reaches the bottom dead center closed state. During the downward movement of the upper template 4, the upper movable punch 8 compresses the lower forming stripping block 14 to continue the downward movement, the mold reaches a closed state of a bottom dead center, the upper bending punch 7 abuts against the lower bending inlet block 17, the lower bending inlet block 17 is driven to rotate, and the U-shaped bending on the two sides of the product is completed.
5. As shown in fig. 5, in the return process: the punch is separated from the material firstly, the cylinder 1 is controlled, the upper template 4 moves upwards, the lower forming stripping block 14 floats to a specified height and is not moved, the upper template 4 continues to move upwards, and the upper movable punch 8 and the two side upper movable punches 9 are separated from the lower forming block 11 and the lower forming stripping block 14 and the material belt.
6. Top dead center, as shown in fig. 6, ready for the next cycle of actuation. One cycle is completed. The upper platen 4 is moved upward to finish the next operation.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (6)
1. The utility model provides a bender which characterized in that: the device comprises a die frame, a cylinder, a die handle, an upper die plate, a lower bending punch, a lower die base plate, an upper bending punch, an upper movable punch, more than one upper movable punch, a plurality of upper floating mechanisms, a lower forming block, a lower forming stripping block, a lower bending insert block, a lower bending spring and a limiting pin;
the cylinder body of the air cylinder is fixedly arranged on the top surface of the die frame, the rod end of a piston rod of the air cylinder penetrates through the top surface of the die frame downwards and then is connected with the upper end of the die handle, the lower end of the die handle is connected with the upper die plate, and the lower bending punch is fixed at the bottom of the die frame through the lower die base plate; the upper end of the upper bending punch is fixed on the upper template, the upper movable punch and more than one upper movable punch are movably arranged in the upper bending punch in a penetrating manner, the upper ends of the upper movable punch and more than one upper movable punch are respectively abutted against the plurality of upper lifting mechanisms, and the plurality of upper lifting mechanisms are all arranged in the upper template; the lower forming block is movably sleeved in the lower bending punch, the top surface of the lower forming block is opposite to the upper bending punch, the lower forming stripping block is movably arranged in the lower forming block in a penetrating manner, the lower end of the lower forming stripping block is abutted against a stripping spring, a lower bending female die and an inlet bending female die are respectively arranged on the top surfaces of the lower forming block and the lower forming stripping block, and the lower bending female die and the inlet bending female die are respectively opposite to the upper bending punch and the side upper movable punch; the upper portion of the lower bending insert is hinged to the lower bending punch, the inner side of the lower bending insert is located below the lower forming block, the lower bending insert abuts against the lower bending forming block, two ends of the lower bending spring are connected to the lower bending insert and the lower bending punch respectively, the lower bending insert is reset, a stop block is arranged on the outer wall of the lower bending insert and can abut against a limiting pin, and the limiting pin is fixed on the lower bending punch and located on the moving track of the lower bending insert stop block.
2. The bender according to claim 1, characterized in that: the lower forming block spring and the forming block plug are also included; the bottom surface of the lower forming block abuts against the lower forming block spring, the lower forming block spring is installed in the lower bending punch and the lower die base plate, the lower end of the lower forming block spring abuts against the forming block plug, and the forming block plug is fixed at the bottom of the die frame.
3. The bender according to claim 1, characterized in that: the device also comprises a stripping spring and a stripping plug; the stripping spring is arranged in the lower bending punch and the lower die base plate, the lower end of the stripping spring abuts against the stripping plug, and the stripping plug is fixed at the bottom of the die frame.
4. The bender according to claim 1, characterized in that: the device also comprises a positioning mechanism; the positioning mechanism comprises a positioning pin, a positioning spring and a positioning plug; the upper end of the positioning pin movably penetrates through the lower forming block, the lower end of the positioning pin abuts against the positioning spring, the lower end of the positioning spring abuts against the positioning plug, and the positioning plug is fixed at the bottom of the mold frame.
5. The bender according to claim 1, characterized in that: the device also comprises a guide mechanism; a guide mechanism is arranged between the upper die plate and the lower die base plate.
6. The bender according to claim 1, characterized in that: the upward floating mechanism consists of a floating ejector rod, a floating spring and a floating plug; the floating ejector rod is movably arranged in the upper template in a penetrating way, the lower end of the floating ejector rod abuts against the upper movable punch or the side upper movable punch, two ends of the floating spring respectively abut against the lower end of the floating ejector rod and the floating plug, and the floating plug is fixed on the upper template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221102732.8U CN217570457U (en) | 2022-05-09 | 2022-05-09 | Bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221102732.8U CN217570457U (en) | 2022-05-09 | 2022-05-09 | Bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217570457U true CN217570457U (en) | 2022-10-14 |
Family
ID=83551109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221102732.8U Active CN217570457U (en) | 2022-05-09 | 2022-05-09 | Bending die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217570457U (en) |
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2022
- 2022-05-09 CN CN202221102732.8U patent/CN217570457U/en active Active
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