CN217831515U - Synchronous piercing and bending die structure - Google Patents
Synchronous piercing and bending die structure Download PDFInfo
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- CN217831515U CN217831515U CN202222079582.XU CN202222079582U CN217831515U CN 217831515 U CN217831515 U CN 217831515U CN 202222079582 U CN202222079582 U CN 202222079582U CN 217831515 U CN217831515 U CN 217831515U
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Abstract
The utility model discloses a synchronous piercing and bending stamping die structure, which relates to the field of dies and comprises a lower die holder and the like, wherein a concave die plate is arranged on the lower die holder, and an installation fixed block and a material pressing floating block are embedded in the concave die plate; one ends of the lower puncture part and the lower bending part are movably arranged in the material pressing floating block in a penetrating way, and the other ends of the lower puncture part and the lower bending part are fixedly arranged in the fixed block in a penetrating way; a spring hole is formed in the lower die base in a penetrating mode, one end of the strong spring is fixed in the spring hole through a stop screw, the other end of the strong spring abuts against the bottom end of the force transmission pin, and the top end of the force transmission pin sequentially penetrates through the concave die plate backing plate and the fixing block and abuts against the material pressing floating block; a product material belt is placed on the material pressing floating block, a stripper plate is arranged above the product material belt, and a puncture part and a bending punch are embedded and installed in the stripper plate. The utility model discloses to pierce and cut and bend the action and merge and accomplish at same station, not only reduced the time of relocation like this, its precision has also ensured moreover, and the SPM can reach 80 during processing, and the productivity is the 10 times of simplex mould.
Description
Technical Field
The utility model relates to a field of mould, concretely relates to synchronous puncture and die structure of bending.
Background
In the traditional stamping process, when the situation that a product needs to be cut, connected materials and then bent is met, a simplex die is generally used for manually placing and bending, so that the positioning accuracy is low, and the productivity is not high. If will cut, bend and go on respectively on two stations, not only reduced production efficiency, increased a station moreover and still can improve manufacturing cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide a synchronous piercing and die structure of bending, cut, the twice process of bending goes on simultaneously, and positioning accuracy is high, and improves production efficiency by a wide margin.
The purpose of the utility model is accomplished through following technical scheme: the synchronous piercing and bending die structure comprises a lower die holder, a concave die plate, a pressing floating block and a stripper plate, wherein the concave die plate is fixedly arranged on the lower die holder through a concave die plate backing plate, a fixing block and the pressing floating block are embedded and arranged in the concave die plate, the pressing floating block is positioned above the fixing block, and the fixing block is fixed relative to the concave die plate backing plate and the concave die plate; one ends of the lower puncture part and the lower bending part are movably arranged in the material pressing floating block in a penetrating way and slide up and down along the inner wall of the material pressing floating block, and the other ends of the lower puncture part and the lower bending part are fixedly arranged in the fixed block in a penetrating way; a spring hole is formed in the lower die base in a penetrating mode and used for placing a strong spring, one end of the strong spring is fixed in the spring hole through a stop screw, the other end of the strong spring abuts against the bottom end of a force transmission pin, and the top end of the force transmission pin sequentially penetrates through a concave die plate base plate and a fixed block and abuts against a material pressing floating block and is used for driving the material pressing floating block to float up and down along the inner wall of the concave die plate; a product material belt is placed on the material pressing floating block, a stripper plate is arranged above the product material belt, and a puncture part and a bending punch are embedded and installed in the stripper plate.
As a further technical scheme, puncture cutting positions are symmetrically arranged on two sides of the product material belt, the product material belt is connected with the outer side of the product body through the puncture cutting positions, and bending positions are symmetrically arranged on the inner side of the product body; the upper puncture part is positioned at one side of the puncture cutting position close to the product material belt, the lower puncture part is positioned at one side of the puncture cutting position close to the product body, and the upper puncture part and the lower puncture part are matched to realize the cutting of the puncture cutting position; the bending punch is located between the two bending positions and is used for being matched with the lower bending part to bend the product body.
As a further technical scheme, a cavity is formed between the bending punch and the upper piercing part and used for containing the bent product body, and the top of the bending punch is fixed in the stripper plate in a clamping groove mode.
As a further technical scheme, one side, close to the product body, of the top of the lower bending part is provided with a lower avoiding groove used for avoiding the bottom of the product body, and the lower avoiding groove is matched with the side wall of the bending punch to enable the bending position to be bent by 90 degrees relative to the bottom of the product body.
As a further technical scheme, the lower avoidance groove is rounded, so that the bending position is bent to form a round angle.
As a further technical scheme, two side walls of the bending punch are provided with upper avoidance grooves for avoiding the top of the product body.
As a further technical scheme, when the stripper plate and the concave template are opened, the top position of the lower piercing part is higher than the top position of the lower bending part, and the lower piercing part and the concave template do not extend out of the upper surface of the material pressing floating block; meanwhile, the bottom end of the force transmission pin is in contact with the lower surface of the die plate liner plate under the action of the strong spring, so that the upper surface of the material pressing floating block is higher than the upper surface of the die plate.
As a further technical scheme, when the stripper plate and the cavity plate are assembled, the pressing floating block is just pressed into the cavity plate, so that the surfaces of the cavity plate, the pressing floating block and the stripper plate are flush with each other.
As a further technical scheme, the stripper plate is fixed on a stripper plate base plate, and the stripper plate base plate is driven to lift through a die.
The utility model has the advantages that: the puncturing, cutting and bending actions are combined and finished in the same station by skillfully utilizing the strong spring and the material pressing floating block, and the bending action can be immediately carried out after the puncturing and cutting, so that the time for repositioning is reduced, the precision of the device is also guaranteed, the SPM can reach 80 during processing, and the capacity is 10 times that of a single-working die.
Drawings
Fig. 1 is a schematic structural view of the utility model in the mold opening state.
Fig. 2 is a schematic structural view (only the central portion is shown) of the present invention when pressing the material strap.
Fig. 3 is a schematic structural view (only the central portion is shown) of the present invention at the beginning of piercing.
Fig. 4 is a schematic structural view (only the central portion is shown) of the present invention when the puncture is completed and the bending is started.
Fig. 5 is a schematic structural view (only a central portion is shown) in a mold closing state according to the present invention.
Fig. 6 is a schematic structural view of the middle product material belt of the present invention.
Fig. 7 is a schematic structural diagram of a bent product.
Fig. 8 is a schematic structural view of the middle stripper plate of the present invention.
Fig. 9 is a schematic structural view of the middle and lower bending part of the present invention.
Fig. 10 is a schematic structural view of the middle bending punch of the present invention.
Description of reference numerals: the die comprises a lower die holder 1, a concave die plate backing plate 2, a concave die plate 3, a fixing block 4, a pressing floating block 5, a stripper plate 6, a stripper plate backing plate 7, an upper puncture part 8, a bending punch 9, a product material belt 10, a lower puncture part 11, a lower bending part 12, a force transmission pin 13, a strong spring 14, a stop screw 15, a spring hole 16, a puncture cutting position 17, a bending position 18, a product body 19, a cavity 20, a lower avoidance groove 21 and an upper avoidance groove 22.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example (b): as shown in fig. 1 to 10, the synchronous piercing and bending die structure includes a lower die holder 1, a cavity plate pad 2, a cavity plate 3, a fixing block 4, a pressing floating block 5, a stripper plate 6, a stripper plate pad 7, an upper piercing part 8, a bending punch 9, a product material belt 10, a lower piercing part 11, a lower bending part 12, a force transmission pin 13, a strong spring 14, a stop screw 15, a spring hole 16, a piercing cutting position 17, a bending position 18, a product body 19, a cavity 20, a lower avoiding groove 21 and an upper avoiding groove 22.
Referring to the attached drawing 1, a concave template 3 is fixedly installed on the upper surface of the lower die holder 1 through a concave template backing plate 2, a groove is formed in the middle of the concave template 3 in a penetrating mode, a fixing block 4 and a material pressing floating block 5 are embedded into the groove, the material pressing floating block 5 is located above the fixing block 4, the fixing block 4 is fixed relative to the concave template backing plate 2 and the concave template 3, and the material pressing floating block 5 slides relative to the concave template 3. The upper ends of the lower piercing part 11 and the lower bending part 12 are movably arranged in the material pressing floating block 5 in a penetrating mode, the upper ends can slide up and down along the inner wall of the material pressing floating block 5, and the lower ends of the lower piercing part and the lower bending part are fixedly arranged in the fixing block 4 in a penetrating mode.
Furthermore, at least three spring holes 16 are formed in the lower die holder 1 in a penetrating manner, a strong spring 14 is arranged in each spring hole 16, one end of each strong spring 14 is fixed in each spring hole 16 through a fixing screw 15, and the other end of each strong spring 14 abuts against the bottom end of the force transmission pin 13. The top end of the force transmission pin 13 penetrates through the concave template backing plate 2 and the fixed block 4 in sequence and then is pressed against the material pressing floating block 5, and the force transmission pin 13 provides elasticity for the material pressing floating block 5, so that the material pressing floating block 5 can float up and down along the inner wall of the concave template 3. A product material belt 10 is placed on the material pressing floating block 5, a stripper plate 6 is arranged above the product material belt 10, and a puncturing part 8 and a bending punch 9 are embedded in the stripper plate 6.
Referring to fig. 6, the product tape 10 is symmetrically provided with piercing and cutting positions 17 at left and right sides, and the product tape 10 is connected with the outside of the product body 19 through the piercing and cutting positions 17. The product body 19 is provided with symmetrically bent positions 18 (at the bottom after bending, as shown in fig. 7) on the inner side. As shown in FIG. 2, when stripper plate 6 is closed downward and is pressing against product tape 10, taking the left-side puncture cutting location 17 on product tape 10 as an example, upper puncture component 8 is located just to the left of puncture cutting location 17, and lower puncture component 11 is located to the right of puncture cutting location 17. As shown in fig. 3, when the lower piercing part 11 is flush with the upper surface of the material pressing floating block (5), the upper piercing part 8 presses the product material belt 10 tightly, the product body 19 is separated from the product material belt 10 under the action of the lower piercing part 11, and the upper piercing part 8 and the lower piercing part 11 cooperate with each other to cut the piercing cutting position 17. The puncture cutting location 17 on the right side of the product web 10 is also cut on the same principle and will not be described in detail.
As shown in fig. 3 and 4, there are two lower bending parts 12, each of which corresponds to one bending position 18, and the bending punch 9 is located between the two bending positions 18 and is used for bending the product body 19 in cooperation with the lower bending part 12. After the cutting is finished, the lower bending part 12 continues to move upwards relative to the pressing floating block 5, and gradually jacks up and bends the product bodies 19 on two sides of the bending position 18. Referring to fig. 8, since a cavity 20 is formed between each upper piercing part 8 and each side of the bending punch 9, the bent product body 19 can be accommodated in the cavity 20, and the top of the bending punch 9 is fixed in the stripper plate 6 in a slot type.
Referring to fig. 5, 9 and 10, a lower avoiding groove 21 is formed in one side, close to the product body 19, of the top of the lower bending part 12, and is used for avoiding the bottom of the product body 19, and the lower avoiding groove 21 is matched with the side wall of the bending punch 9, so that the bending position 18 is bent by 90 degrees relative to the bottom of the product body 19. Preferably, the lower relief groove 21 is rounded so that the bending location 18 is rounded (as shown in fig. 5). Furthermore, two side walls of the bending punch 9 are provided with an avoiding groove 22 for avoiding the top of the product body 19.
As shown in fig. 1, when the stripper plate 6 and the cavity plate 3 are opened, the top position of the lower piercing part 11 is higher than the top position of the lower bending part 12, and none of the lower piercing part 11 extends out of the upper surface of the pressing floating block 5, so that the lower piercing part 11 can be ensured to extend out of the pressing floating block 5 first, and the lower bending part 12 extends out of the pressing floating block 5 later, that is, the lower bending part is cut first and then bent. Meanwhile, the bottom end of the force transmission pin 13 is contacted with the lower surface of the cavity plate liner plate 2 under the action of the strong spring 14, so that the upper surface of the material pressing floating block 5 is higher than the upper surface of the cavity plate 3.
As shown in fig. 5, when the stripper plate 6 and the cavity plate 3 are completely assembled, the pressing floating block 5 is just pressed into the cavity plate 3, so that the surfaces of the cavity plate 3, the pressing floating block 5 and the stripper plate 6 are flush, and the product body 19 is also bent by 90 degrees.
Preferably, the stripper plate 6 is fixed on the stripper plate backing plate 7, and the stripper plate backing plate 7 is driven to lift by an external punch die.
The utility model discloses a working process: when the die is closed downwards, the stripper plate 6 can push the whole product material belt 10 (including the product body 19) to move downwards, and then push the material pressing floating block 5 to move downwards. When the lower surface of the product material belt 10 (specifically, the piercing and cutting position 17) contacts the lower piercing part 11, the piercing action is started, the upper piercing part 8 is driven to continue to move downwards along with the continuous downward movement of the stripper plate 6, the piercing action is completed under the cooperation of the lower piercing part 11, and the connecting materials (namely, the piercing and cutting position 17) at the two ends of the product body 19 are pierced and cut. Subsequently, the stripper plate 6 continues to move downwards to drive the bending punch 9 to move downwards, the bending action is started, the lower bending part 12 gradually jacks and bends the product body 19, the bending action is completed under the matching of the lower avoiding groove 21 and the side wall of the bending punch 9, when the lower surface of the stripper plate 6 contacts the upper surface of the concave template 3, the die assembly is completed, the pressing floating block 5 is just pressed into the concave template 3, the surfaces of the concave template 3, the pressing floating block 5 and the stripper plate 6 are parallel and level, and meanwhile, the product body 19 is also bent by 90 degrees. The final product is shown in fig. 7.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (9)
1. The utility model provides a synchronous puncture and die structure of bending which characterized in that: the die comprises a lower die holder (1), a concave die plate (3), a pressing floating block (5) and a stripper plate (6), wherein the concave die plate (3) is fixedly installed on the lower die holder (1) through a concave die plate backing plate (2), a fixing block (4) and the pressing floating block (5) are embedded into the concave die plate (3), the pressing floating block (5) is positioned above the fixing block (4), and the fixing block (4) is fixed relative to the concave die plate backing plate (2) and the concave die plate (3); one ends of the lower puncture part (11) and the lower bending part (12) are movably arranged in the material pressing floating block (5) in a penetrating way and slide up and down along the inner wall of the material pressing floating block (5), and the other ends of the lower puncture part and the lower bending part are fixedly arranged in the fixing block (4) in a penetrating way; a spring hole (16) is formed in the lower die holder (1) in a penetrating mode and used for placing a strong spring (14), one end of the strong spring (14) is fixed in the spring hole (16) through a set screw (15), the other end of the strong spring (14) abuts against the bottom end of a force transmission pin (13), and the top end of the force transmission pin (13) sequentially penetrates through the concave die plate base plate (2) and the fixing block (4) and abuts against the material pressing floating block (5) and is used for driving the material pressing floating block (5) to float up and down along the inner wall of the concave die plate (3); a product material belt (10) is placed on the material pressing floating block (5), a stripper plate (6) is arranged above the product material belt (10), and a piercing part (8) and a bending punch (9) are embedded and installed in the stripper plate (6).
2. The simultaneous piercing and bending die structure of claim 1, wherein: puncture cutting positions (17) are symmetrically arranged on two sides of the product material belt (10), the product material belt (10) is connected with the outer side of a product body (19) through the puncture cutting positions (17), and bending positions (18) are symmetrically arranged on the inner side of the product body (19); the upper puncturing part (8) is positioned at one side of the puncturing and cutting position (17) close to the product material belt (10), the lower puncturing part (11) is positioned at one side of the puncturing and cutting position (17) close to the product body (19), and the upper puncturing part (8) and the lower puncturing part (11) are matched to realize the cutting of the puncturing and cutting position (17); the number of the lower bending parts (12) is two, the lower bending parts correspond to one bending position (18), and the bending punch (9) is located between the two bending positions (18) and used for being matched with the lower bending parts (12) to bend the product body (19).
3. The simultaneous piercing and bending die structure of claim 2, wherein: a cavity (20) is arranged between the bending punch (9) and the upper piercing part (8) and is used for containing the bent product body (19).
4. The simultaneous piercing and bending die structure of claim 3, wherein: one side of the top of the downward bending part (12) close to the product body (19) is provided with a lower avoidance groove (21) for avoiding the bottom of the product body (19), and the lower avoidance groove (21) is matched with the side wall of the bending punch (9) to enable the bending position (18) to be bent by 90 degrees relative to the bottom of the product body (19).
5. The simultaneous piercing and bending die structure of claim 4, wherein: the lower avoidance groove (21) is rounded, so that the bending position (18) forms a round angle after being bent.
6. The simultaneous piercing and bending die structure of claim 5, wherein: and two side walls of the bending punch (9) are provided with upper avoidance grooves (22) for avoiding the top of the product body (19).
7. The simultaneous piercing and bending die structure of claim 6, wherein: when the stripper plate (6) and the concave template (3) are opened, the top position of the lower piercing part (11) is higher than the top position of the lower bending part (12), and the lower piercing part and the lower bending part do not extend out of the upper surface of the pressing floating block (5); meanwhile, the bottom end of the force transmission pin (13) is contacted with the lower surface of the concave template backing plate (2) under the action of the strong spring (14), so that the upper surface of the material pressing floating block (5) is higher than the upper surface of the concave template (3).
8. The simultaneous piercing and bending die structure of claim 7, wherein: when the stripper plate (6) and the concave template (3) are combined, the pressing floating block (5) is just pressed into the concave template (3), so that the surfaces of the concave template (3), the pressing floating block (5) and the stripper plate (6) are parallel and level.
9. The simultaneous piercing and bending die structure of claim 8, wherein: the stripper plate (6) is fixed on the stripper plate backing plate (7), and the stripper plate backing plate (7) is driven to lift through the die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222079582.XU CN217831515U (en) | 2022-08-08 | 2022-08-08 | Synchronous piercing and bending die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222079582.XU CN217831515U (en) | 2022-08-08 | 2022-08-08 | Synchronous piercing and bending die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217831515U true CN217831515U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222079582.XU Active CN217831515U (en) | 2022-08-08 | 2022-08-08 | Synchronous piercing and bending die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217831515U (en) |
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2022
- 2022-08-08 CN CN202222079582.XU patent/CN217831515U/en active Active
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