Progressive stamping die for workpiece machining

By introducing a nitrogen spring-driven ejector mechanism and float plate design into the progressive die, the problems of difficult workpiece demolding and unstable automatic material discharge were solved, achieving stable workpiece processing and efficient production.

CN224011015UActive Publication Date: 2026-03-20JIAXING RUYI INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202620144189.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2026-02-02
Publication Date
2026-03-20
Estimated Expiration
2036-02-02

AI Technical Summary

Technical Problem

Traditional progressive dies make it difficult to demold the workpiece after the bending process, and the simple automatic discharge design is prone to skewing or piling, affecting production continuity and product quality.

Method used

The design employs a nitrogen-spring driven ejector mechanism and float plate, combined with the linkage between the bending die and the fixing module, to achieve smooth demolding of the workpiece. The cooperation between the punching die and the pad block ensures automatic output of the workpiece.

Benefits of technology

It improves the continuity and efficiency of workpiece processing, reduces the risk of workpiece deformation and jamming, ensures the stable and orderly discharge of workpieces, and significantly improves production efficiency and reduces scrap rate.

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Abstract

The utility model discloses a progressive stamping die for workpiece machining, and relates to the technical field of progressive dies, the progressive stamping die can efficiently complete a plurality of procedures through consistency and consistency of machining of all stations and sequential stamping cooperation of a female die and a male die, the workpiece bending process is stable and reliable through the linkage design of a bending die and a fixing module, and the machining efficiency is improved. Meanwhile, stable demolding of the bent workpiece is achieved through an ejector rod mechanism driven by a spring, deformation or clamping stagnation of the workpiece is effectively prevented, a second upper floating plate presses an ejector block in advance when driving a pressing rod to press downwards, preparation is made for subsequent ejection, the connecting positions of the two ends of the workpiece can be accurately cut off through cooperation of a blanking die and a cushion block, after blanking is completed, the second upper floating plate moves upwards, and the workpiece is prevented from being bent. And the second nitrogen spring rapidly resets and pushes the ejection block to eject the workpiece towards one side, so that smooth and automatic discharging of stamped finished products is achieved, the machining precision is guaranteed, meanwhile, the production efficiency is remarkably improved, and the manual intervention strength and the rejection rate are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of progressive die, especially relates to a workpiece machining progressive stamping die. BACKGROUND

[0002] In the metal product processing industry, the progressive die is a kind of efficient stamping die, can complete punching, blanking, bending and other processes in different stations of the die in the one stroke of the press machine, and is especially suitable for the production of large quantities, complex shape small and medium-sized parts.

[0003] The traditional progressive die is difficult to demold after multi-process continuous stamping, especially after the bending process, is easy to cause die jam due to adhesion, and affects the production continuity and product quality, and secondly, the automatic ejection link of the workpiece is usually simple in design after the final blanking, and deviation or accumulation may occur in the ejection direction, and stable and orderly ejection cannot be ensured. UTILITY MODEL CONTENT

[0004] The utility model discloses a workpiece machining progressive stamping die, to solve the problem that the traditional progressive die is difficult to demold after the bending process, and the automatic ejection link of the workpiece is usually simple in design, and deviation or accumulation may occur in the ejection direction, and stable and orderly ejection cannot be ensured.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a workpiece machining progressive stamping die, comprising a lower die seat and an upper die seat, the top of the lower die seat is fixedly connected with a supporting block, the top of the supporting block is fixedly connected with a lower die plate, the inside of the lower die plate is fixedly connected with a concave die, the inside of the lower die plate is fixedly connected with a plurality of first nitrogen gas springs, the first nitrogen gas springs are arranged below the first lower floating plate and the second lower floating plate, the movable ends of the first nitrogen gas springs are fixedly connected with the corresponding first lower floating plate and the second lower floating plate directly above, the inside of the first lower floating plate is provided with a through hole matched with the concave die, the top of the lower die plate is fixedly connected with a fixed module, a plurality of top rods are slidably sleeved in the inside of the fixed module, a spring matched with the top rod is fixedly sleeved in the inside of the fixed module, the bottom of the upper die seat is fixedly connected with a bending die matched with the fixed module, the inside of the lower die plate is fixedly connected with a second nitrogen gas spring, the movable end of the second nitrogen gas spring is fixedly connected with a top block, the bottom of the upper die seat is provided with a first upper floating plate and a second upper floating plate, the bottom of the second upper floating plate is fixedly connected with a pressing rod.

[0006] As preferred, the bottom of the upper die seat is fixedly connected with a plurality of third nitrogen gas springs, the third nitrogen gas springs are arranged above the first upper floating plate and the second upper floating plate, the movable ends of the third nitrogen gas springs are fixedly connected with the corresponding first upper floating plate and the second upper floating plate directly below, the bottom of the upper die seat is fixedly connected with a punch, the bottom of the upper die seat is fixedly connected with a blanking die, the top of the lower die plate is fixedly connected with a cushion block, and the inside of the lower die plate is provided with a discharge port matched with the blanking die.

[0007] As preferred, the top of the first lower floating plate and the second lower floating plate is fixedly connected with a stop block, and the bottom of the upper die seat is fixedly connected with a hook.

[0008] As preferred, the bottom of the upper die seat is fixedly connected with a guide column, and the top of the lower die plate is fixedly connected with a guide sleeve matched with the guide column.

[0009] As preferred, the inside of the lower die plate is provided with a plurality of first positioning pins, the first positioning pins are arranged below the first lower floating plate and the second lower floating plate, the pin sleeves of the first positioning pins are fixedly connected with the lower die plate, and the pin shafts of the first positioning pins are fixedly connected with the corresponding first lower floating plate and the second lower floating plate directly above.

[0010] As preferred, the bottom of the upper die seat is provided with a plurality of second positioning pins, the second positioning pins are arranged above the first upper floating plate and the second upper floating plate, the pin sleeves of the second positioning pins are fixedly connected with the upper die seat, and the pin shafts of the second positioning pins are fixedly connected with the corresponding first upper floating plate and the second upper floating plate directly below.

[0011] The utility model has the following beneficial effects:

[0012] The device can efficiently complete multiple processes through the coherence and consistency of processing of each station and the sequential stamping cooperation of the concave die and the convex die, and the linkage design of the bending die and the fixed module makes the workpiece bending process stable and reliable, and the spring-driven ejector rod mechanism realizes stable demolding of the workpiece after bending, effectively preventing workpiece deformation or jamming, the second upper floating plate drives the pressure rod to press down, and the top block is pre-pressed, preparing for subsequent ejection, the cooperation of the blanking die and the cushion block can accurately cut off the connection between the two ends of the workpiece, and the waste is automatically discharged through the discharge port, after the blanking is completed, the second upper floating plate moves up, the second nitrogen gas spring resets rapidly and pushes the top block to eject the workpiece to one side, thereby realizing smooth automatic discharge of the stamped product, ensuring the processing precision, significantly improving the production efficiency, and reducing the manual intervention intensity and the scrap rate. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic view of the utility model structure;

[0014] Figure 2 is a partial structure perspective view of the utility model;

[0015] Figure 3 is a partial structure perspective view of the utility model;

[0016] Figure 4 is a partial structure perspective view of the utility model;

[0017] Figure 5 is a partial structure explosion view of the utility model;

[0018] Figure 6 is a partial structure explosion view of the utility model;

[0019] Figure 7 is a partial structure explosion view of the utility model.

[0020] Reference signs: 1, lower die seat; 2, support block; 3, lower die plate; 4, concave die; 5, first nitrogen gas spring; 6, first lower floating plate; 7, second lower floating plate; 8, through hole; 9, fixed module; 10, ejector rod; 11, spring; 12, second nitrogen gas spring; 13, top block; 14, upper die seat; 15, third nitrogen gas spring; 16, convex die; 17, first upper floating plate; 18, bending die; 19, second upper floating plate; 20, pressing rod; 21, blanking die; 22, cushion block; 23, discharge port; 24, stop block; 25, hook; 26, guide column; 27, guide sleeve; 28, first positioning pin; 29, second positioning pin. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail in connection with the drawings.

[0022] Example 1:

[0023] Reference Figures 1-7The utility model provides a kind of progressive stamping die for workpiece processing, including lower die seat 1 and upper die seat 14, the top of lower die seat 1 is fixedly connected with support block 2, the top of support block 2 is fixedly connected with lower die plate 3, the inside of lower die plate 3 is fixedly connected with female die 4, the inside of lower die plate 3 is fixedly connected with a plurality of first nitrogen gas springs 5, first nitrogen gas spring 5 is arranged below first lower floating plate 6 and second lower floating plate 7, the movable end of first nitrogen gas spring 5 is fixedly connected with the first lower floating plate 6 and second lower floating plate 7 respectively above it, the inside of first lower floating plate 6 is provided with through hole 8 matched with female die 4, the top of lower die plate 3 is fixedly connected with fixed module 9, a plurality of top rod 10 is slidably sleeved in the inside of fixed module 9, spring 11 matched with top rod 10 is fixedly sleeved in the inside of fixed module 9, the bottom of upper die seat 14 is fixedly connected with bending die 18 matched with fixed module 9, the inside of lower die plate 3 is fixedly connected with second nitrogen gas spring 12, the movable end of second nitrogen gas spring 12 is fixedly connected with top block 13, the bottom of upper die seat 14 is provided with first upper floating plate 17 and second upper floating plate 19, the bottom of second upper floating plate 19 is fixedly connected with pressure rod 20, the bottom of upper die seat 14 is fixedly connected with a plurality of third nitrogen gas springs 15, third nitrogen gas spring 15 is arranged above first upper floating plate 17 and second upper floating plate 19, the movable end of third nitrogen gas spring 15 is fixedly connected with the first upper floating plate 17 and second upper floating plate 19 respectively below it, the bottom of upper die seat 14 is fixedly connected with male die 16, the bottom of upper die seat 14 is fixedly connected with blanking die 21, the top of lower die plate 3 is fixedly connected with pad 22, the inside of lower die plate 3 is provided with discharge port 23 matched with blanking die 21.

[0024] Specifically, the device can efficiently complete multiple processes through the consistency of each station processing and the sequential stamping cooperation of female die 4 and male die 16, and the linkage design of bending die 18 and fixed module 9 makes the workpiece bending process stable and reliable, while the top rod 10 mechanism driven by spring 11 realizes the smooth demolding of the workpiece after bending, effectively preventing workpiece deformation or jamming, the second upper floating plate 19 drives the pressure rod 20 to press down, and the top block 13 is pre-pressed, preparing for subsequent ejection, the cooperation of blanking die 21 and pad 22 can accurately cut off the connection between the two ends of the workpiece, and the waste is automatically discharged through the discharge port 23, after blanking is completed, the second upper floating plate 19 moves up, the second nitrogen gas spring 12 quickly resets and pushes the top block 13 to eject the workpiece to one side, thereby realizing smooth automatic discharge of the stamping finished product, while ensuring processing accuracy, significantly improving production efficiency, and reducing manual intervention intensity and scrap rate.

[0025] Reference Figure 1 、 Figure 2 And Figure 3The top of the first lower floating plate 6 and the second lower floating plate 7 is fixedly connected with a stop block 24, through the setting of the stop block 24, the material can be effectively cooperated and stably conveyed, the bottom of the upper die seat 14 is fixedly connected with a hook 25, through the setting of the hook 25, the stroke of the first upper floating plate 17 and the second upper floating plate 19 can be effectively limited.

[0026] With reference to Figure 1 The bottom of the upper die seat 14 is fixedly connected with a guide column 26, the top of the lower die plate 3 is fixedly connected with a guide sleeve 27 matched with the guide column 26, through the setting of the guide sleeve 27 and the guide column 26, the precision of the die combination can be effectively improved.

[0027] With reference to Figure 2 And Figure 3 The inside of the lower die plate 3 is provided with a plurality of first positioning pins 28, the first positioning pins 28 are arranged below the first lower floating plate 6 and the second lower floating plate 7, the pin sleeve of the first positioning pin 28 is fixedly connected with the lower die plate 3, the pin shaft of the first positioning pin 28 is fixedly connected with the corresponding first lower floating plate 6 and the second lower floating plate 7 directly above, through the setting of the first positioning pin 28, the first lower floating plate 6 and the second lower floating plate 7 can be stably moved up and down.

[0028] With reference to Figure 7 The bottom of the upper die seat 14 is provided with a plurality of second positioning pins 29, the second positioning pins 29 are arranged above the first upper floating plate 17 and the second upper floating plate 19, the pin sleeve of the second positioning pin 29 is fixedly connected with the upper die seat 14, the pin shaft of the second positioning pin 29 is fixedly connected with the corresponding first upper floating plate 17 and the second upper floating plate 19 directly below, through the setting of the second positioning pin 29, the first upper floating plate 17 and the second upper floating plate 19 can be stably moved up and down.

[0029] Brief description of the use process: the user moves the material forward by a fixed step through the cooperation of the conveying equipment and the stop block 24, different stamping processes are completed through the concave die 4 and the convex die 16 in turn, the workpiece is bent through the cooperation of the bending die 18 and the fixed die block 9, and the workpiece is smoothly ejected and demolded through the spring 11 driving the ejector rod 10 after bending, the top block 13 is pre-pressed when the second upper floating plate 19 drives the pressing rod 20 to move downward, the workpiece is blanked through the cooperation of the blanking die 21 and the pad 22, the waste is discharged through the discharge port 23, after the second upper floating plate 19 drives the pressing rod 20 to move upward, the second nitrogen spring 12 resets to drive the top block 13 to eject one side of the bottom of the workpiece, so that the workpiece after stamping is smoothly discharged.

[0030] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a modification without creative contribution can be made to the embodiment according to needs by a person skilled in the art after reading the specification, but as long as the modification is within the scope of the claims of the utility model, the utility model is protected by the patent law.

Claims

1. A progressive stamping die for workpiece processing, comprising a lower die base (1) and an upper die base (14), wherein a support block (2) is fixedly connected to the top of the lower die base (1), and a lower template (3) is fixedly connected to the top of the support block (2), characterized in that: The lower template (3) is internally fixedly connected to a concave mold (4), and a plurality of first nitrogen springs (5) are internally fixedly connected to the lower template (3). The first nitrogen springs (5) are arranged below the first lower float plate (6) and the second lower float plate (7). The movable ends of the first nitrogen springs (5) are fixedly connected to the first lower float plate (6) and the second lower float plate (7) directly above them, respectively. The first lower float plate (6) has through holes (8) that are adapted to the concave mold (4) inside. The top of the lower template (3) is fixedly connected to a fixing module (9), and the fixing module (9) has an internal sliding mechanism. The upper mold base (14) is fitted with several push rods (10), and the fixed module (9) is fitted with a spring (11) that is compatible with the push rods (10). The bottom of the upper mold base (14) is fixedly connected with a bending mold (18) that is compatible with the fixed module (9). The lower mold plate (3) is fixedly connected with a second nitrogen spring (12). The movable end of the second nitrogen spring (12) is fixedly connected with a top block (13). The bottom of the upper mold base (14) is provided with a first upper floating plate (17) and a second upper floating plate (19). The bottom of the second upper floating plate (19) is fixedly connected with a pressure rod (20).

2. The progressive stamping die for workpiece processing according to claim 1, characterized in that: The bottom of the upper mold base (14) is fixedly connected with several third nitrogen springs (15). The third nitrogen springs (15) are arranged above the first upper floating plate (17) and the second upper floating plate (19). The movable ends of the third nitrogen springs (15) are fixedly connected to the first upper floating plate (17) and the second upper floating plate (19) directly below them, respectively. The bottom of the upper mold base (14) is fixedly connected with a punch (16). The bottom of the upper mold base (14) is fixedly connected with a blanking die (21). The top of the lower mold plate (3) is fixedly connected with a pad (22). The interior of the lower mold plate (3) is provided with a discharge port (23) that is compatible with the blanking die (21).

3. The progressive stamping die for workpiece processing according to claim 1, characterized in that: The top of the first lower floating plate (6) and the second lower floating plate (7) are both fixedly connected with a stop block (24), and the bottom of the upper mold base (14) is fixedly connected with a hook (25).

4. The progressive stamping die for workpiece processing according to claim 1, characterized in that: The bottom of the upper mold base (14) is fixedly connected to a guide post (26), and the top of the lower mold plate (3) is fixedly connected to a guide sleeve (27) that is compatible with the guide post (26).

5. A progressive stamping die for workpiece processing according to claim 1, characterized in that: The lower template (3) is provided with a number of first positioning pins (28). The first positioning pins (28) are arranged below the first lower floating plate (6) and the second lower floating plate (7). The pin sleeve of the first positioning pin (28) is fixedly connected to the lower template (3). The pin shaft of the first positioning pin (28) is fixedly connected to the first lower floating plate (6) and the second lower floating plate (7) directly above it.

6. A progressive stamping die for workpiece processing according to claim 2, characterized in that: The bottom of the upper mold base (14) is provided with a number of second positioning pins (29). The second positioning pins (29) are arranged above the first upper floating plate (17) and the second upper floating plate (19). The pin sleeve of the second positioning pin (29) is fixedly connected to the upper mold base (14). The pin shaft of the second positioning pin (29) is fixedly connected to the first upper floating plate (17) and the second upper floating plate (19) directly below it.