CN214108475U

CN214108475U - Punching die

Info

Publication number: CN214108475U
Application number: CN202022364416.5U
Authority: CN
Inventors: 党斌; 林军
Original assignee: Kunshan Xiaoleduo Children's Products Co Ltd
Current assignee: Kunshan Xiaoleduo Children's Products Co Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-09-03
Anticipated expiration: 2030-10-22

Abstract

The application discloses a punching die, which is applied to the field of punching devices and solves the problems that when the upper end of a supporting rod is punched, the lower end of the support rod is arc-shaped, only part of the support rod can be contacted with the support surface, the lower end of the support rod is easy to deform due to uneven stress, and the quality of the support rod is influenced, the key point of the technical scheme is that the punching die comprises a processing table, a punching device is arranged on the processing table, an upper die plate is arranged on the punching device, a lower die plate is arranged on the processing table below the upper die plate, an upper groove is arranged at the lower end of the upper die plate, a lower groove is arranged at the upper end of the lower die plate, a connecting plate is vertically arranged on the processing table at the tail end of the lower groove, a supporting column is vertically connected to the inner side of the connecting plate and is positioned in the lower groove, the support column is provided with a punched hole, the punching device is provided with a punch, the punch penetrates through the upper template, and the punch is positioned right above the punched hole; the technical effect who has is that the lower extreme atress is even when making the bracing piece punch, guarantees the bracing piece quality.

Description

Punching die

Technical Field

The application relates to the technical field of punching devices, in particular to a punching die.

Background

Along with the progress of science and technology, the design of various spare parts is also more and more abundant, especially can generally consider the problem of safety in children's articles for use, when producing the spare part of children's articles for use, will avoid appearing the edges and corners and the condition that takes place the roll easily, the stability of spare part should be guaranteed again simultaneously.

The existing deformation-resistant supporting rod for the stroller is shown in fig. 1, the cross section of the supporting rod is crescent, the upper end of the supporting rod is semicircular, the lower end of the supporting rod is arc-shaped, and a mounting hole is formed in one side of the supporting rod.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that when the upper end of the support rod is punched, the lower end of the support rod is arc-shaped, only part of the lower end of the support rod can be in contact with the support surface, and the lower end of the support rod is deformed due to uneven stress, which affects the quality of the support rod.

SUMMERY OF THE UTILITY MODEL

In order to make the bracing piece lower extreme atress when punching even, prevent that the bracing piece from taking place deformation, guarantee the quality of bracing piece, this application provides a cut-out press.

The application provides a punching die adopts following technical scheme: the punching die comprises a processing table, wherein a punching device is arranged on the processing table, an upper die plate is arranged on the punching device, a lower die plate is arranged on the processing table below the upper die plate, an upper groove is formed in the lower end of the upper die plate, a lower groove is formed in the upper end of the lower die plate, a connecting plate is vertically arranged on the processing table at the tail end of the lower groove, a supporting column is vertically connected to the inner side of the connecting plate and is located in the lower groove, a punching hole is formed in the supporting column, a punching head is arranged on the punching device, the punching head penetrates through the upper die plate, and the punching head is located right above the punching hole.

Through the technical scheme, the bracing piece cover that will the punching press is put in the outside of support column, the support column can play the effect of support to the bracing piece, the lower groove of lower bolster can play tight effect with the support column cooperation to the lower extreme of bracing piece simultaneously, when stamping device pushes down cope match-plate pattern and drift, the upper groove of cope match-plate pattern can play tight effect with the upper end of support column cooperation, thereby make the bracing piece can receive the cope match-plate pattern when being punched by the drift, the guard action of lower bolster and support column, prevent that the bracing piece from taking place deformation, guarantee the quality of bracing piece.

The application is further configured to: the punching device comprises an air cylinder, a piston rod of the air cylinder is vertically arranged downwards, a pressing plate is vertically arranged at the tail end of the piston rod, the punch is arranged at the bottom end of the pressing plate, a plurality of connecting rods are arranged at the bottom end of the pressing plate, the tail ends of the connecting rods penetrate through the two sides of an upper groove of the upper template, supporting blocks for supporting the upper template are arranged at the tail ends of the connecting rods, and a plurality of through holes for the supporting blocks and the connecting rods to be inserted are formed in the lower template.

Through the technical scheme, after the upper die plate is attached to the upper end of the supporting rod, the press plate can still press the punch, so that the upper die plate can play a role in pressing and protecting the supporting rod in the stamping process of the supporting rod.

The application is further configured to: and a plurality of strong springs are connected between the pressing plate and the upper template.

Through above-mentioned technical scheme, make the cope match-plate pattern through powerful spring in with bracing piece upper end laminating back, the clamp plate can produce the effect of pressure to the cope match-plate pattern when pushing down, guarantees that the drift is at the in-process to the bracing piece punching press, and the cope match-plate pattern keeps the state that compresses tightly the bracing piece, can play certain cushioning effect to the pressure of clamp plate simultaneously, avoids the drift too fiercely to the bracing piece punching press, makes the drift take place to damage.

The application is further configured to: the bottom of clamp plate is provided with spacing post, spacing post passes the low groove both sides position of cope match-plate pattern, be provided with on the lower bolster and supply spacing post male spacing hole.

Through the technical scheme, the moving direction of the pressing plate can be guided through the limiting columns and the limiting blocks, so that the punch moves up and down more accurately, and the punching quality of the punch on the supporting rod is guaranteed.

The application is further configured to: and a hard limiting ring is arranged on the limiting column.

Through above-mentioned technical scheme, after the drift was accomplished the punching press to the bracing piece in clamp plate downstream, hard spacing ring can contact with the upper end of cope match-plate pattern to make the clamp plate can't continue downstream, prevent that the clamp plate from continuing to push down the drift and cause the damage to the drift.

The application is further configured to: the lower template and the processing platform below the support column punch a hole are both provided with through holes, and a waste bin is arranged below the through holes of the processing platform.

Through the technical scheme, the through hole in the lower template can avoid the punch to contact with the lower template, the punch is protected, the through hole in the processing platform can enable the waste material under the punching to fall into the waste material box below the through hole in the processing platform, and the waste material is convenient to collect.

The application is further configured to: and a limiting convex point is arranged in the lower groove, and the upper end of the limiting convex point is abutted against the lower end of the supporting column.

Through the technical scheme, the supporting rods sleeved outside the supporting columns can be limited by the limiting convex points, the lengths of the supporting columns inserted into the supporting rods are limited, and the positions of the supporting rods to be punched correspond to the punching holes of the supporting columns.

The application is further configured to: the edge of the processing table at the starting end of the lower groove is vertically provided with a limiting plate, the inner side surface of the limiting plate and the edge of one side of the lower groove are located on the same plane, the inner side surface of the limiting plate is provided with a limiting block, and the upper end surface of the limiting block and the bottom end of the lower groove are located on the same plane.

Through the technical scheme, the supporting rod can be corrected to a certain extent through the limiting plate and the limiting block, the angle of the supporting rod inserted into the lower groove is guaranteed, and the punching accuracy of the supporting rod is guaranteed.

The application is further configured to: the processing tables on the two sides of the lower template are respectively provided with clamping blocks, the clamping blocks are provided with strip-shaped through holes perpendicular to the length direction of the supporting columns, bolt rods are inserted into the strip-shaped through holes, the bottom ends of the bolt rods are connected with the processing tables, and fixing nuts for fixing the clamping blocks are arranged on the bolt rods.

Through the technical scheme, the clamping blocks on the two sides of the lower template can be moved through the strip-shaped through holes, and the clamping blocks can be fixed with the machining table through the fixing nuts, so that the clamping effect of the clamping blocks on the lower template is guaranteed, and the lower groove and the upper groove can be guaranteed to be corresponding in position.

To sum up, the beneficial technical effect of this application does:

1. when the supporting rod is stamped by the punch, the supporting rod is protected by the upper template, the lower template and the supporting columns, so that the supporting rod is prevented from deforming, and the quality of the supporting rod is ensured;

2. the upper die plate is kept in a state of pressing the supporting rod in the process of punching the supporting rod by the punch through the strong spring;

3. the length of the supporting column inserted into the supporting column is limited through the limiting convex points, so that the position of the supporting column to be punched corresponds to the punching of the supporting column.

Drawings

FIG. 1 is a schematic view of a support rod in the background;

fig. 2 is an overall configuration diagram of the present embodiment;

FIG. 3 is an exploded view of the present embodiment showing the connection of the platen to the upper platen;

FIG. 4 is an exploded view of the present embodiment showing the connection of the support post to the processing station;

fig. 5 is a schematic structural view of the support rod during processing in the present embodiment.

Reference numeral, 1, a processing table; 2. a stamping device; 3. mounting a template; 4. a lower template; 5. an upper groove; 6. a lower groove; 7. a connecting plate; 8. a support pillar; 9. a punch; 10. a cylinder; 11. a piston rod; 12. pressing a plate; 13. a connecting rod; 14. a support block; 15. a strong spring; 16. a limiting column; 17. a limiting hole; 18. a hard stop collar; 19. a waste bin; 20. limiting salient points; 21. a limiting plate; 22. a limiting block; 23. a clamping block; 24. a bolt shank; 25. and (5) fixing the nut.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Example (b):

referring to fig. 2 and 3, for the punching die disclosed in the present application, the punching die comprises a processing table 1, a punching device 2 is arranged on the processing table 1, the punching device 2 comprises a cylinder 10, a piston rod 11 of the cylinder 10 is vertically arranged downwards, and a pressing plate 12 is vertically arranged at the tail end of the piston rod 11. An upper template 3 is arranged below the pressing plate 12, an upper groove 5 is arranged at the lower end of the upper template 3, and the shape of the upper groove 5 is the same as that of the upper end of the supporting rod. The bottom of clamp plate 12 is provided with four connecting rods 13, and the terminal of connecting rod 13 passes the lower groove 6 both sides position of cope match-plate pattern 3, and the terminal of connecting rod 13 is provided with supporting shoe 14, and supporting shoe 14 plays the effect of supporting to cope match-plate pattern 3 to make clamp plate 12 be connected with cope match-plate pattern 3. A punch 9 is arranged in the middle of the bottom end of the pressing plate 12, and the punch 9 penetrates through the upper template 3.

Referring to fig. 2 and 4, a lower template 4 is arranged on the processing table 1 below the upper template 3, a lower groove 6 is arranged at the upper end of the lower template 4, and the shape of the lower groove 6 is the same as that of the lower end of the support rod. The processing table 1 on the two sides of the lower template 4 is respectively provided with a clamping block 23, the clamping block 23 is provided with a strip-shaped through hole vertical to the length direction of the support column 8, a bolt rod 24 is inserted into the strip-shaped through hole, the bottom end of the bolt rod 24 is fixedly connected with the processing table 1, and the bolt rod 24 is provided with a fixing nut 25 for fixing the clamping block 23. The clamping blocks 23 on the two sides of the lower template 4 can be moved through the strip-shaped through holes, the clamping blocks 23 can be fixed with the machining table 1 through the fixing nuts 25, the clamping effect of the clamping blocks 23 on the lower template 4 is guaranteed, and the lower groove 6 can be guaranteed to correspond to the upper groove 5 in the vertical direction.

Referring to fig. 2 and 4, a connecting plate 7 is vertically fixed on the processing table 1 at the end of the lower groove 6 through a bolt, a supporting column 8 is vertically connected to the inner side of the connecting plate 7, and the cross section of the supporting column 8 is the same as that of the inner wall of the supporting column, so that the supporting column can be just sleeved on the outer side of the supporting column 8. The support column 8 is arranged in the lower groove 6, a gap is arranged between the bottom end of the support column 8 and the bottom end of the lower groove 6, so that when the support column is sleeved outside the support column 8, the outer wall of the bottom end of the support column is attached to the lower groove 6. The supporting column 8 is provided with a punched hole, the punch 9 is located right above the punched hole, the lower groove 6 is internally provided with a limiting salient point 20, and the upper end of the limiting salient point 20 is abutted to the lower end of the supporting column 8. The supporting rod can be limited by the limiting salient points 20 in the process of being inserted into the lower groove 6, the supporting rod cannot be inserted by the limiting salient points 20, and therefore the position where the supporting rod is to be punched corresponds to the punching position of the supporting column 8 up and down.

Referring to fig. 3 and 5, after the support bar is inserted into the lower plate 4, the upper plate 3 and the punch 9 are simultaneously pressed down by the air cylinder 10, and the lower plate 4 is provided with a through hole into which the support block 14 and the connecting bar 13 are inserted. After the upper groove 5 of the upper die plate 3 is attached to the upper end of the support rod, the cylinder 10 will continue to press down the punch 9, at this time, the support block 14 and the connecting rod 13 will be inserted into the through hole of the lower die plate 4, and the punch 9 punches a hole on the support rod. Be connected with a plurality of powerful springs 15 between clamp plate 12 and the cope match-plate pattern 3, powerful spring 15 makes cope match-plate pattern 3 produce the effect of pressure to cope match-plate pattern 3 after laminating with the bracing piece upper end, guarantees that drift 9 is at the in-process to the bracing piece punching press, and cope match-plate pattern 3 keeps the state that compresses tightly the bracing piece. The bottom of clamp plate 12 is provided with spacing post 16, and spacing post 16 passes the upper groove 5 both sides position of cope match-plate pattern 3, is provided with on the lower bolster 4 and supplies spacing post 16 male spacing hole 17. The limiting columns 16 and the limiting blocks 22 can guide the moving direction of the pressing plate 12, so that the punch 9 moves up and down more accurately. The limiting column 16 is provided with a hard limiting ring 18, and the hard limiting ring 18 plays a role in hard limiting the pressure plate 12. After the pressing plate 12 moves downwards to the punch 9 to complete punching on the supporting rod, the hard limiting ring 18 can be in contact with the upper end of the upper die plate 3, so that the pressing plate 12 cannot move downwards continuously, and the punch 9 is prevented from being continuously pressed downwards by the pressing plate 12 to damage the punch 9.

Referring to fig. 2 and 4, through holes are formed in the lower template 4 below the punched holes of the supporting column 8 and the processing table 1, a waste bin 19 is arranged below the through holes of the processing table 1, the through holes in the lower template 4 can prevent the punch 9 from contacting the lower template 4, the punch 9 is protected, and the through holes in the processing table 1 can enable the punched waste to fall into the waste bin 19 below the through holes of the processing table 1, so that the waste can be collected conveniently. The edge of the processing platform 1 of the initiating terminal of low groove 6 is provided with limiting plate 21 perpendicularly, and the medial surface of limiting plate 21 and a side edge of low groove 6 are located the coplanar, and the medial surface of limiting plate 21 is provided with stopper 22, and the up end of stopper 22 and the bottom of low groove 6 are located the coplanar. Can play certain corrective action to the bracing piece through limiting plate 21 and stopper 22, guarantee the angle that the bracing piece inserted in lower groove 6, guarantee the precision of punching a hole to the bracing piece.

The implementation principle of the embodiment is as follows: the outside at support column 8 is put to the bracing piece cover, support column 8 can play the effect of support to the bracing piece, simultaneously the lower groove 6 of lower bolster 4 can play tight effect with the lower extreme of support column 8 cooperation to the bracing piece, when stamping device 2 pushes down cope match-plate pattern 3 and drift 9, the upper groove 5 of cope match-plate pattern 3 can play tight effect with the upper end of support column 8 with the cooperation of support column 8, thereby make the bracing piece can receive cope match-plate pattern 3 when being stamped by drift 9, the guard action of lower bolster 4 and support column 8.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A punching die is characterized by comprising a processing table (1), wherein a punching device (2) is arranged on the processing table (1), an upper template (3) is arranged on the stamping device (2), a lower template (4) is arranged on the processing table (1) below the upper template (3), the lower end of the upper template (3) is provided with an upper groove (5), the upper end of the lower template (4) is provided with a lower groove (6), a connecting plate (7) is vertically arranged on the processing table (1) at the tail end of the lower groove (6), a supporting column (8) is vertically connected to the inner side of the connecting plate (7), the supporting column (8) is positioned in the lower groove (6), the support pillar (8) is provided with a punched hole, the punching device (2) is provided with a punch (9), the punch (9) penetrates through the upper die plate (3), and the punch (9) is located right above the punched hole.

2. The punching die according to claim 1, wherein the punching device (2) comprises a cylinder (10), a piston rod (11) of the cylinder (10) is vertically arranged downwards, a pressing plate (12) is vertically arranged at the tail end of the piston rod (11), the punch (9) is arranged at the bottom end of the pressing plate (12), a plurality of connecting rods (13) are arranged at the bottom end of the pressing plate (12), the tail ends of the connecting rods (13) penetrate through two sides of the upper groove (5) of the upper die plate (3), supporting blocks (14) for supporting the upper die plate (3) are arranged at the tail ends of the connecting rods (13), and a plurality of through holes for inserting the supporting blocks (14) and the connecting rods (13) are arranged on the lower die plate (4).

3. A punching die according to claim 2, characterized in that strong springs (15) are connected between the pressure plate (12) and the upper die plate (3).

4. The punching die according to claim 2, wherein the bottom end of the pressing plate (12) is provided with a limiting post (16), the limiting post (16) penetrates through two sides of the lower groove (6) of the upper template (3), and the lower template (4) is provided with a limiting hole (17) for inserting the limiting post (16).

5. A punching die according to claim 4, characterized in that a hard stop collar (18) is arranged on the stop post (16).

6. The punching die according to claim 1, wherein through holes are arranged on the lower template (4) below the punched holes of the supporting columns (8) and the processing table (1), and a waste box (19) is arranged below the through holes of the processing table (1).

7. A punching die according to claim 1, characterized in that a stop lug (20) is arranged in the lower groove (6), the upper end of the stop lug (20) abutting against the lower end of the support post (8).

8. The punching die according to claim 1, wherein a limiting plate (21) is vertically arranged at the edge of the processing table (1) at the starting end of the lower groove (6), the inner side surface of the limiting plate (21) and one side edge of the lower groove (6) are positioned on the same plane, a limiting block (22) is arranged on the inner side surface of the limiting plate (21), and the upper end surface of the limiting block (22) and the bottom end of the lower groove (6) are positioned on the same plane.

9. The punching die according to claim 1, wherein clamping blocks (23) are respectively arranged on the processing tables (1) on two sides of the lower template (4), strip-shaped through holes perpendicular to the length direction of the supporting columns (8) are formed in the clamping blocks (23), bolt rods (24) are inserted into the strip-shaped through holes, the bottom ends of the bolt rods (24) are connected with the processing tables (1), and fixing nuts (25) for fixing the clamping blocks (23) are arranged on the bolt rods (24).