Small convenient stamping die

By designing a convenient stamping die with a hydraulic cylinder and a feeding/discharging linkage mechanism, automatic feeding and discharging of workpieces is achieved, solving the problems of safety and high cost of small stamping dies, and improving operational safety and efficiency.

CN224026290UActive Publication Date: 2026-03-24KUNSHAN CHENGYUAN PRECISION ELECTRONICS
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-04
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Small stamping dies pose safety hazards during use, and external feeding mechanisms or robotic auxiliary equipment are costly.

Method used

A convenient punching die was designed, which includes a hydraulic cylinder, a feeding and discharging linkage mechanism and a buffer system, to realize automatic feeding and discharging of workpieces. Operators can load and unload materials away from the dangerous area of ​​the die.

Benefits of technology

It improves operational safety, enhances die efficiency, reduces equipment costs, extends the lifespan of core transmission components, and reduces wear and noise.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224026290U_ABST
    Figure CN224026290U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of machining equipment, in particular to a small convenient stamping die, which is characterized in that a hydraulic cylinder is fixedly arranged at the upper part of a top frame, the lower end of the hydraulic cylinder penetrates through the top frame and then is fixedly provided with a lifting plate, four guide cylinders are fixedly arranged on the lifting plate in a penetrating manner, and a base is fixedly arranged at the upper part of a base and is positioned in the middle of four supporting columns; a lower die base is fixedly arranged on the upper portion of the base, a fixing cylinder is fixedly arranged at the position, above the through hole, of the upper die base, the upper end of a guide rod penetrates through the through hole and then is movably inserted into the fixing cylinder, and a rotating rod is rotationally arranged in the lower die base in a penetrating mode through a bearing and fixedly sleeved with two first connecting rods. A discharging frame is arranged at the position, located on the front side of the lower die base, above the base in a suspended mode, and one end of a second connecting rod is hinged to the base, so that a worker can conduct workpiece feeding at the position away from the die, the use safety is improved, linkage of workpiece discharging can be achieved in the die punching process, and good die punching efficiency is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing equipment technical field, concretely relates to a small -size convenient die. BACKGROUND

[0002] Stamping die as the core process equipment of mechanical manufacturing field, is widely used in the blanking, forming, drawing etc of metal sheet processing, small stamping die general volume is smaller and simple structure, need personnel hand to enter die work area frequently, when equipment malfunctions or protection is not in place, easy to lead to the occurrence of safety accidents such as clamping injury, if it is to adopt external feeding mechanism or mechanical hand auxiliary, additional equipment cost is high, therefore, a small -size convenient die is urgently needed. UTILITY MODEL CONTENT

[0003] The utility model discloses to the defects and insufficiency of prior art, provide a small -size convenient die with reasonable design to solve the above -mentioned problems.

[0004] To achieve the above object, the utility model adopts the following technical scheme: it contains base, support column, roof and controller, four support columns are fixedly arranged on the upper portion of base, the roof is fixedly arranged on the upper end of four support columns, and the controller is fixedly arranged on the roof;

[0005] It also contains:

[0006] Hydraulic cylinder, the hydraulic cylinder is fixedly arranged on the upper portion of roof, the hydraulic cylinder is electrically connected with the controller, the lower end of hydraulic cylinder is fixedly arranged with lifting plate after passing through the roof, four guide cylinders are fixedly arranged on the lifting plate, and the guide cylinders are movably sleeved on the support column;

[0007] Base, the base is fixedly arranged on the upper portion of base and located at the middle position of four support columns, a lower die holder is fixedly arranged on the upper portion of base, an upper die holder is fixedly arranged on the bottom of lifting plate, two through holes are formed in the upper die holder, and a fixed cylinder is fixedly arranged on the upper portion of the upper die holder and located at the position above the through hole;

[0008] Guide rod, the guide rod is two, and is fixedly arranged on the upper portion of base and located at the left and right sides of lower die holder, and the upper end of guide rod is movably inserted into the fixed cylinder after passing through the through hole;

[0009] Rotating rod, the rotating rod is movably arranged in the lower die holder through bearing, two first connecting rods are fixedly sleeved on the rotating rod, a feeding rack is suspended on the front side of lower die holder, one end of first connecting rod is hingedly connected with the feeding rack, and a placing groove matched with the feeding rack is formed in the lower die holder;

[0010] The second connecting rod is two, which is hinged at the front side of the two first connecting rods on the bottom of the feeding rack, one end of the second connecting rod is hinged with the base, and the base is provided with a feeding linkage mechanism connected with the rotating rod.

[0011] Further, the feeding linkage mechanism comprises:

[0012] The vertical rod is two, which is movably arranged in the two guide rods, the upper and lower sides of the front side wall of the guide rod are respectively provided with a first movable slot and a second movable slot, the extrusion block is movably arranged in the first movable slot, and one end of the extrusion block is arranged out of the first movable slot.

[0013] The first wedge is two, which is fixedly arranged at the bottom of the two extrusion blocks, a first spring connected with the extrusion block is fixedly arranged in the first movable slot, the upper end of the vertical rod is fixedly provided with a second wedge, and the first wedge is movably arranged in contact with the second wedge.

[0014] The second spring is two, which is fixedly arranged in the two guide rods, the upper end of the second spring is fixedly connected with the vertical rod, and the front side wall of the vertical rod is fixedly provided with a third wedge.

[0015] The connecting frame is two, which is fixedly arranged on the upper part of the base at the front side of the two guide rods, the driving rod is movably arranged in the connecting frame, the rear end of the driving rod is movably arranged in the second movable slot and fixedly provided with a fourth wedge, and the fourth wedge is movably arranged in contact with the third wedge.

[0016] The third spring is two, which is fixedly arranged in the two connecting frames, and one end of the third spring is fixedly connected with the driving rod, the upper part of the driving rod is fixedly provided with a rack, the end of the rotating rod is rotatably arranged in the connecting frame through a bearing, and the end of the rotating rod is fixedly provided with a gear meshing with the rack.

[0017] Further, the lower opening of the through hole is provided with an inclined slot at the front side, and the inclined slot is matched with the extrusion block.

[0018] Further, the upper part of the base is fixedly provided with a supporting table, and the feeding rack is movably arranged on the upper part of the supporting table.

[0019] Further, the upper part of the supporting table is fixedly provided with a buffer pad, and the upper part of the buffer pad is movably arranged in contact with the feeding rack.

[0020] Further, a first connecting rod is fixedly arranged between the two first connecting rods and between the two second connecting rods, a sleeve is rotatably arranged on the two first connecting rods through a bearing, and a second connecting rod is fixedly arranged between the two sleeves.

[0021] Compared with the prior art, the small and convenient die has the advantages that work personnel can feed workpieces from a position far from the die, safety in use is improved, and the die has good die efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of the utility model.

[0023] Figure 2 is an exploded view of the base, the upper die seat, the fixing cylinder and the guide rod in the utility model.

[0024] Figure 3 is an exploded view of the lower die seat, the rotating rod, the feeding rack, the first connecting rod, the second connecting rod, the supporting table, the first connecting rod and the second connecting rod in the utility model.

[0025] Figure 4 is a sectional view of the guide rod and the connecting frame in the utility model.

[0026] Figure 5 is Figure 4 A part enlarged view in the utility model.

[0027] Figure 6 is Figure 4 B part enlarged view in the utility model.

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] Base 1, support column 2, top frame 3, controller 4, hydraulic cylinder 5, lifting plate 6, guide cylinder 7, base 8, lower die seat 9, upper die seat 10, through hole 11, fixing cylinder 12, guide rod 13, rotating rod 14, first connecting rod 15, feeding rack 16, placing groove 17, second connecting rod 18, feeding-out linkage mechanism 19, vertical rod 19-1, extrusion block 19-2, first wedge 19-3, first spring 19-4, second wedge 19-5, second spring 19-6, third wedge 19-7, connecting frame 19-8, driving rod 19-9, fourth wedge 19-10, third spring 19-11, rack 19-12, gear 19-13, first movable groove 20, second movable groove 21, inclined groove 22, supporting table 23, buffer pad 24, first connecting rod 25, sleeve 26, second connecting rod 27. DETAILED DESCRIPTION

[0030] The technical solutions in the utility model will be described clearly and completely in combination with the drawings, and the preferred embodiments in the description are only taken as examples, and all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] As Figures 1-6 The embodiment adopts the technical scheme as follows: it comprises a base 1, support columns 2, a top frame 3 and a controller 4, four support columns 2 are fixedly arranged on the upper portion of the base 1, the upper ends of the four support columns 2 are fixedly provided with the top frame 3, and the top frame 3 is fixedly provided with the controller 4;

[0032] It further comprises:

[0033] A hydraulic cylinder 5 is fixedly arranged on the upper portion of the top frame 3, the hydraulic cylinder 5 is electrically connected with the controller 4, the lower end of the hydraulic cylinder 5 is fixedly arranged with a lifting plate 6 after penetrating through the top frame 3, four guide cylinders 7 are fixedly arranged on the lifting plate 6, and the guide cylinders 7 are movably sleeved on the support columns 2;

[0034] A base 8 is fixedly arranged on the upper portion of the base 1 at the middle position of the four support columns 2, a lower die seat 9 is fixedly arranged on the upper portion of the base 8, an upper die seat 10 is fixedly arranged on the bottom of the lifting plate 6, two through holes 11 are formed in the upper die seat 10, and a fixed cylinder 7 is fixedly arranged on the upper die seat 10 at the position above the through holes 11;

[0035] Two guide rods 13 are fixedly arranged on the upper portion of the base 8 at the left and right sides of the lower die seat 9, and the upper ends of the guide rods 13 penetrate through the through holes 11 and are movably inserted into the fixed cylinder 7;

[0036] A rotating rod 14 is movably arranged in the lower die seat 9 through a bearing, two first connecting rods 15 are fixedly sleeved on the rotating rod 14, a feeding rack 16 is suspended on the front side of the lower die seat 9 above the base 8, one end of the first connecting rod 15 is hingedly connected with the feeding rack 16, and a placing groove 17 matched with the feeding rack 16 is formed in the lower die seat 9;

[0037] Two second connecting rods 18 are hingedly connected at the front side positions of the two first connecting rods 15 on the bottom of the feeding rack 16, one end of the second connecting rod 18 is hingedly connected with the base 8, a feeding-out linkage mechanism 19 connected with the rotating rod 14 is arranged on the base 8, a first connecting rod 25 is fixedly arranged between the two first connecting rods 15 and between the two second connecting rods 18, a sleeve 26 is movably sleeved on the first connecting rod 25 through a bearing, and a second connecting rod 27 is fixedly arranged between the two sleeves 26; through the cooperation of the first connecting rod 25, the second connecting rod 27 and the sleeve 26, the two first connecting rods 15 and the two second connecting rods 18 form an active whole, the stability of the first connecting rod 15 and the second connecting rod 18 is improved, and the movement of the feeding rack 16 is more stable;

[0038] The feeding-out linkage mechanism 19 comprises:

[0039] The vertical rod 19-1 is two, which are movably arranged in the two guide rods 13, and a first movable slot 20 and a second movable slot 21 are arranged on the upper and lower sides of the front side wall of the guide rod 13, respectively. The extrusion block 19-2 is movably arranged in the first movable slot 20, one end of the extrusion block 19-2 is arranged outside the first movable slot 20, an inclined slot 22 is arranged at the lower opening position of the through hole 11, and the inclined slot 22 is arranged in cooperation with the extrusion block 19-2. The arrangement of the inclined slot 22 can make the extrusion process of the extrusion block 19-2 more gentle, which can not only avoid the jamming of the extrusion block 19-2 when moving in the first movable slot 20, but also effectively reduce the wear of the extrusion block 19-2;

[0040] The first wedge block 19-3 is two, which are fixedly arranged at the bottom of the two extrusion blocks 19-2, a first spring 19-4 connected with the extrusion block 19-2 is fixedly arranged in the first movable slot 20, the upper end of the vertical rod 19-1 is fixedly arranged with a second wedge block 19-5, and the first wedge block 19-3 is movably arranged in contact with the second wedge block 19-5;

[0041] The second spring 19-6 is two, which are fixedly arranged in the two guide rods 13, the upper end of the second spring 19-6 is fixedly connected with the vertical rod 19-1, and the front side wall of the vertical rod 19-1 is fixedly arranged with a third wedge block 19-7;

[0042] The connecting frame 19-8 is two, which are fixedly arranged on the upper part of the base 8 at the front side position of the two guide rods 13, and the driving rod 19-9 is movably arranged in the connecting frame 19-8. The rear end of the driving rod 19-9 is movably arranged in the second movable slot 21 and fixedly arranged with a fourth wedge block 19-10, and the fourth wedge block 19-10 is movably arranged in contact with the third wedge block 19-7;

[0043] The third spring 19-11 is fixed in the two connecting frames 19-8, and one end of the third spring 19-11 is fixedly connected with the driving rod 19-9. The upper part of the driving rod 19-9 is fixedly provided with a rack 19-12. The end of the rotating rod 14 is rotatably inserted into the connecting frame 19-8 through a bearing, and the end of the rotating rod 14 is fixedly provided with a gear 19-13 which is engaged with the rack 19-12. Through the cooperation of the feeding linkage mechanism 19, the position of the feeding frame 16 can be synchronously moved during the punching process. Not only the automatic feeding of the workpiece can be realized, but also the feeding frame 16 can drive the workpiece to move away from the punching die after the punching is completed, so as to facilitate the feeding and discharging of the workers, and also to ensure the personal safety of the workers. The upper part of the base 8 is fixedly provided with a supporting table 23, and the upper part of the supporting table 23 is fixedly provided with a buffer pad 24. The upper part of the buffer pad 24 is movably in contact with the feeding frame 16. When the feeding frame 16 is located at the front side of the lower die seat 9, the supporting table 23 can provide support for the feeding frame 16, so as to avoid damage caused by the weight of the feeding frame 16 and the workpiece being borne by the gear 19-13 and the rack 19-12. Through the cooperation of the buffer pad 24, the feeding frame 16 can be buffered when it moves above the supporting table 23, so as to avoid collision between the feeding frame 16 and the supporting table 23 and generate noise.

[0044] In use of the utility model, the workpiece is placed on the feeding rack 16, then the hydraulic cylinder 5 is started, the hydraulic cylinder 5 drives the lifting plate 6 to move downwards, the lifting plate 6 drives the upper die seat 10 to move downwards, at this time, the extrusion block 19-2 will be extruded completely into the first movable groove 20 and compress the first spring 19-4, the extrusion block 19-2 drives the first wedge block 19-3 to move to the rear side, the first wedge block 19-3 extrudes the second wedge block 19-5, so that the second wedge block 19-5 drives the vertical rod 19-1 to move downwards and compress the second spring 19-6, the vertical rod 19-1 drives the third wedge block 19-7 to move downwards, the third wedge block 19-7 extrudes the fourth wedge block 19-10, so that the fourth wedge block 19-10 drives the driving rod 19-9 to move to the front side and compress the third spring 19-11, the driving rod 19-9 drives the rack 19-12 to move to the front side, so that the rack 19-12 drives the gear 19-13 to rotate, the gear 19-13 drives the rotating rod 14 to rotate, the rotating rod 14 drives the first connecting rod 15 to rotate to the rear side, the first connecting rod 15 drives the feeding rack 16 to move to the rear side, at the same time, the second connecting rod 18 also rotates to the rear side, so as to ensure the horizontal state of the feeding rack 16, so that the feeding rack 16 abuts against the placing groove 17, then the upper die seat 10 can continue to move downwards along with the lifting plate 6, the workpiece is realized to be die punched, after the die punching is completed, the hydraulic cylinder 5 drives the lifting plate 6 to move upwards, the lifting plate 6 drives the upper die seat 10 to move upwards, after the extrusion block 19-2 is separated from the fixed cylinder 12 and the through hole 11, the first spring 19-4 resets and extends to push the extrusion block 19-2 to the outside direction of the first movable groove 20, the extrusion block 19-2 drives the first wedge block 19-3 to move to the front side, the second spring 19-6 resets and extends to push the vertical rod 19-1 upwards, the vertical rod 19-1 drives the second wedge block 19-5 and the third wedge block 19-7 to move upwards, the third spring 19-11 resets and extends to move the driving rod 19-9 to the rear side, the driving rod 19-9 drives the rack 19-12 and the fourth wedge block 19-10 to move to the rear side, so that the rack 19-12 drives the gear 19-13 to rotate reversely to the initial position, and by cooperation of the first connecting rod 15 and the second connecting rod 18, the feeding rack 16 and the workpiece after die punching can be moved to the position above the supporting table 23, then the worker can complete the feeding and discharging at the position far away from the die punching.

[0045] Compared with the prior art, the utility model has the advantages of:

[0046] The workpiece can be automatically fed and discharged through the feeding and discharging linkage mechanism 19, the operator can complete the feeding and discharging at the position far away from the dangerous area of the die, and the risk of being clamped in traditional die punching manual operation is avoided;

[0047] When the hydraulic cylinder 5 is descending, the synchronous gear 19-13 and the rack 19-12 are triggered to drive the discharging frame 16 to move into the placing groove 17 accurately, and the discharging frame 16 is automatically reset and sends out the finished product when returning, so that the stamping and material transfer are completed in a single action, the manual intervention time is saved, and the work efficiency is improved;

[0048] The support table 23 and the buffer pad 24 constitute an auxiliary load bearing system, so that the gear 19-13 and the rack 19-12 do not bear the full load of the discharging frame 16 for a long time, and the service life of the core transmission components is prolonged;

[0049] The setting of the inclined groove 22 can make the extrusion process of the extrusion block 19-2 more gentle, so that the extrusion block 19-2 is not stuck when moving in the first movable groove 20, and the wear of the extrusion block 19-2 is effectively reduced.

[0050] For those skilled in the art, the technical solutions described in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A small and convenient die, comprising a base (1), support columns (2), a top frame (3) and a controller (4), four support columns (2) are fixedly arranged on the upper part of the base (1), the top frame (3) is fixedly arranged on the upper end of the four support columns (2), and the controller (4) is fixedly arranged on the top frame (3); characterized in that It also comprises: a hydraulic cylinder (5) fixedly arranged on the upper part of the top frame (3), the hydraulic cylinder (5) is electrically connected with the controller (4), the lower end of the hydraulic cylinder (5) is fixedly arranged with a lifting plate (6) after penetrating through the top frame (3), four guide cylinders (7) are fixedly arranged on the lifting plate (6), and the guide cylinders (7) are movably sleeved on the support columns (2); a base (8) fixedly arranged on the upper part of the base (1) at the middle position of the four support columns (2), a lower die seat (9) fixedly arranged on the upper part of the base (8), an upper die seat (10) fixedly arranged on the bottom of the lifting plate (6), two through holes (11) formed in the upper die seat (10), and a fixed cylinder (12) fixedly arranged on the upper die seat (10) at a position above the through holes (11); two guide rods (13) fixedly arranged on the upper part of the base (8) at the left and right sides of the lower die seat (9), the upper ends of the guide rods (13) penetrating through the through holes (11) are movably inserted into the fixed cylinder (12); a rotating rod (14) movably penetrating through the lower die seat (9) through a bearing, two first connecting rods (15) fixedly sleeved on the rotating rod (14), a discharging rack (16) suspended on the front side of the lower die seat (9) above the base (8), one end of the first connecting rod (15) hingedly connected with the discharging rack (16), and a placing groove (17) matched with the discharging rack (16) formed in the lower die seat (9); two second connecting rods (18) hingedly connected at the bottom of the discharging rack (16) at the front side of the two first connecting rods (15), one end of the second connecting rod (18) hingedly connected with the base (8), and a feeding linkage mechanism (19) connected with the rotating rod (14) arranged on the base (8).

2. A compact and portable die as claimed in claim 1, wherein: The feeding linkage mechanism (19) comprises: two vertical rods (19-1) movably arranged in the two guide rods (13), a first movable slot (20) and a second movable slot (21) formed in the upper and lower sides of the front side wall of the guide rod (13), an extrusion block (19-2) movably inserted into the first movable slot (20), one end of the extrusion block (19-2) exposed from the first movable slot (20); two first wedge blocks (19-3) fixedly arranged at the bottom of the two extrusion blocks (19-2), a first spring (19-4) fixedly arranged in the first movable slot (20) and connected with the extrusion block (19-2), a second wedge block (19-5) fixedly arranged at the upper end of the vertical rod (19-1), and the first wedge block (19-3) movably abuts against the second wedge block (19-5). The second spring (19-6) is fixed in the two guide rods (13), the upper end of the second spring (19-6) is fixedly connected with the vertical rod (19-1), and the front side wall of the vertical rod (19-1) is fixedly provided with a third wedge block (19-7); The connecting frame (19-8) is fixedly arranged on the upper part of the base (8) at the front side of the two guide rods (13), the driving rod (19-9) is movably arranged in the connecting frame (19-8), the rear end of the driving rod (19-9) is movably arranged in the second movable groove (21) and is fixedly provided with a fourth wedge block (19-10), and the fourth wedge block (19-10) is movably arranged in contact with the third wedge block (19-7); The third spring (19-11) is fixedly arranged in the two connecting frames (19-8), one end of the third spring (19-11) is fixedly connected with the driving rod (19-9), the upper part of the driving rod (19-9) is fixedly provided with a rack (19-12), the end of the rotating rod (14) is rotatably arranged in the connecting frame (19-8) through a bearing, and the end of the rotating rod (14) is fixedly provided with a gear (19-13) engaged with the rack (19-12).

3. A compact and portable die as claimed in claim 2, wherein: The inclined groove (22) is arranged at the front side of the lower opening of the through hole (11) and is matched with the extrusion block (19-2).

4. A compact and convenient die according to claim 1, characterized in that: The base (8) is fixedly provided with a support table (23) on the upper part, and the feeding frame (16) is movably arranged on the upper part of the support table (23).

5. A compact and portable die as claimed in claim 4, wherein: The support table (23) is fixedly provided with a buffer pad (24) on the upper part, and the buffer pad (24) is movably arranged in contact with the feeding frame (16).

6. A compact and portable die as claimed in claim 1, wherein: A first connecting rod (25) is fixedly arranged between the two first connecting rods (15) and the two second connecting rods (18), and a sleeve (26) is rotatably arranged on the two first connecting rods (25) through a bearing. The connecting frame (19-8) is fixedly arranged on the upper part of the base (8) at the front side of the two guide rods (13), the driving rod (19-9) is movably arranged in the connecting frame (19-8), the rear end of the driving rod (19-9) is movably arranged in the second movable groove (21) and is fixedly provided with a fourth wedge block (19-10), and the fourth wedge block (19-10) is movably arranged in contact with the third wedge block (19-7);