CN217751773U

CN217751773U - Punching die structure capable of forming convex hull

Info

Publication number: CN217751773U
Application number: CN202221895571.2U
Authority: CN
Inventors: 刘晓非
Original assignee: Chongqing Shengyueda Optoelectronics Technology Co ltd
Current assignee: Chongqing Shengyueda Optoelectronics Technology Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-08
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a die-cut mould structure that can form convex closure belongs to die-cut processing technology field, including die holder and the upper die base of laying relatively, the left and right sides face of die holder and the left and right sides face of upper die base all fixed mounting have the mounting panel, seted up the mounting hole on the mounting panel, the back fixed mounting of die holder has the ejection of compact to keep away empty board, the upper surface of die holder is fixed with a plurality of pilot pins, just set up the through hole that supplies the pilot pin to pass in the position department of pilot pin on the upper die base; fix a position the product through setting up the pilot pin, die-cut processing is carried out to cooperation upper die base and die holder, and the product takes place deformation at fixed position, produces the high convex closure effect of take one's place, and after stamping forming, the product produces deformation in step, makes the product keep getting the protrusion form after the punching press, and utilizes the ejection of compact to keep away the cooperation of blank board and raise the backing plate and use, adopts the material area both sides to increase the bed hedge mode during the rolling, guarantees the convex closure shape when the rolling.

Description

Punching die structure capable of forming convex hull

Technical Field

The utility model belongs to the technical field of die-cut processing, concretely relates to can form die-cut mould structure of convex closure.

Background

The SMT is a surface mount technology, which is the most popular technology and process in the electronic assembly industry, wherein a punching die is required for punching operation of the PCB, and punching processing is processing and forming operation of a workpiece by using a punch moving up and down.

In the existing die cutting die, the die can only complete half-break or full-section plane punching, 3D-shaped convex hull punching and shaping are not carried out on a coil stock form, and the die cutting die has no protection heightening function and is low in application range.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can form die-cut mould structure of convex closure to in solving the current cross cutting mould that proposes in the above-mentioned background art, the mould can only accomplish half absolutely or full section plane die-cut, does not carry out the punching press of 3D form convex closure and design to the coil stock form, and does not have the protection and fills up high function, the lower problem of application scope.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a die-cut mould structure that can form convex closure, includes die holder and the upper die base of laying relatively, the equal fixed mounting of the left and right sides face of die holder and upper die base has the mounting panel, the mounting hole has been seted up on the mounting panel, the back fixed mounting of die holder has the ejection of compact to keep away the blank board, the last fixed surface of die holder has a plurality of pilot pin, just offer the through hole that supplies the pilot pin to pass to the position department of pilot pin on the upper die base, the lower surface of upper die base is provided with the arc bump, be provided with the adjustment mechanism who is used for adjusting the arc bump position on the upper die base, the die holder upper surface is seted up the concave groove relative with the arc bump.

As a preferred embodiment, the left and right sides of the upper surface of the discharging clearance plate are fixedly provided with lifting base plates.

By adopting the scheme, the lifting base plate is lifted, so that the workpiece moving out of the lower die base and the upper die base can be guided and lifted, the product is protected and heightened, and the convex hull shape can be ensured during rolling.

As a preferred embodiment, the adjusting mechanism includes a screw rod located inside the upper die holder, two rotating shafts installed at two ends of the screw rod and rotatably connected with the upper die holder, a hand wheel installed at one end of one of the rotating shafts, a moving plate installed on the outer surface of the screw rod in a threaded manner, and two connecting plates installed on the lower surface of the moving plate, wherein one end of each connecting plate, which is far away from the moving plate, passes through a channel formed on the lower surface of the upper die holder and moves out of the lower die holder and is connected with the arc-shaped convex points.

By adopting the scheme, the hand wheel is utilized to rotate to drive the rotating shaft to rotate, the rotating shaft drives the lead screw to rotate, so that the movable plate can be driven to move in the upper die base, the movable plate can further drive the arc-shaped convex points to move through the connecting plate, and the convex hull forming position can be adaptively adjusted according to actual processing requirements.

In a preferred embodiment, guide rods are fixed on the inner walls of the upper die bases on both sides of the screw rod, and the moving plate is slidably mounted on the outer surfaces of the two guide rods.

By adopting the scheme, the guide rod can guide and support the rotation of the screw rod and the movement of the movable plate, so that the movable plate is better in stability when moving under the rotation action of the screw rod, and the phenomenon of inclined shaking is not easy to occur.

As a preferred embodiment, the arc bump includes that bump base and two bumps extend the seat, two the bump extends the seat and slides respectively at the both ends of bump base, the both ends of bump base are all seted up flutedly, and install the spring in the recess, the one end that the spring extended the recess is fixed with the screens piece, the screens groove that a plurality of supplied screens piece card to go into is seted up to the lower surface that the bump extended the seat, the inside telescopic link that is provided with both ends respectively and is connected with recess inner wall and screens piece of spring.

Adopt above-mentioned scheme, utilize the bump to extend the seat and the bump base cooperation constitutes the arc bump use, order about the screens piece card under the elastic action of spring and go into the screens inslot portion of different positions department to can carry out adaptability to the whole length of arc bump and adjust the use.

In a preferred embodiment, a support rod is fixed at one end of the protruding point extending seat far away from the protruding point base, a ball is fixed at one end of the support rod far away from the protruding point extending seat, and the ball rolls and adheres to the inner wall of the upper die base.

By adopting the scheme, the supporting rod and the balls are matched for use to support the bump extension seat, so that the bump extension seat is ensured not to be prone to position shaking in the bump forming process.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the punching die structure capable of forming the convex hulls, the products are positioned by arranging the positioning pins, punching processing is carried out by matching the upper die base and the lower die base, the products deform at fixed positions to generate a convex hull effect with a certain height, the products synchronously deform after being punched, the products keep a convex shape after being punched, the discharging clearance plates are matched with the lifting base plates for use, and a padding height mode is adopted at two sides of a material belt during winding to ensure the shape of the convex hulls during winding;

this can form die-cut mould structure of convex closure can adjust the whole length of arc bump through setting up bump base and bump extension seat cooperation constitution arc bump, utilizes adjustment mechanism cooperation to use, can adjust the position of arc bump to can carry out adaptability according to actual need and adjust the use, adjust simple structure, convenient operation, perfect functional diversity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the lower die holder of the present invention;

FIG. 3 is a schematic structural view of the upper die base of the present invention in partial section;

FIG. 4 is a schematic structural view of an arc-shaped convex point section of the present invention;

fig. 5 is an enlarged schematic structural view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a lower die holder; 2. an upper die holder; 3. a discharging and emptying plate; 4. lifting the base plate; 5. a positioning pin; 6. a concave groove; 7. arc-shaped salient points; 8. a rotating shaft; 9. a lead screw; 10. moving the plate; 11. a guide bar; 12. mounting a plate; 13. a bump base; 14. a bump extension base; 15. a connecting plate; 16. a spring; 17. a bit block; 18. a telescopic rod; 19. a support bar; 20. and a ball.

Detailed Description

Please refer to fig. 1-5, the utility model provides a can form die-cut mould structure of convex closure, including die holder 1 and the upper die base 2 of laying relatively, the equal fixed mounting in the left and right sides face of die holder 1 and the left and right sides face of upper die base 2 has mounting panel 12, the mounting hole has been seted up on the mounting panel 12, the back fixed mounting of die holder 1 has the ejection of compact to keep away empty board 3, the ejection of compact keeps away the equal fixed mounting in the left and right sides of 3 upper surfaces of board and has raised backing plate 4, the setting of raising backing plate 4 can be to the work piece that moves out die holder 1 and upper die base 2 and lead the lifting, protect the bed hedge function to the product, and then can guarantee the convex closure shape when the rolling.

The upper surface of the lower die holder 1 is fixed with a plurality of positioning needles 5, through holes for the positioning needles 5 to pass through are formed in positions, facing the positioning needles 5, of the upper die holder 2, arc-shaped convex points 7 are arranged on the lower surface of the upper die holder 2, an adjusting mechanism for adjusting the positions of the arc-shaped convex points 7 is arranged on the upper die holder 2, the adjusting mechanism comprises a lead screw 9 located inside the upper die holder 2, two rotating shafts 8 which are installed at two ends of the lead screw 9 and rotatably connected with the upper die holder 2, a hand wheel installed at one end of one rotating shaft 8, a movable plate 10 installed on the outer surface of the lead screw 9 in a threaded mode and two connecting plates 15 installed on the lower surface of the movable plate 10, one end, far away from the movable plate 10, of the connecting plates 15 penetrates through a channel formed in the lower surface of the upper die holder 2 to move out of the lower die holder 1 and be connected with the arc-shaped convex points 7, the rotating shafts 8 are driven to rotate by the hand wheel, the lead screw 9 is driven by the rotating shafts 8, so that the movable plate 10 can be driven to move inside the upper die holder 2, and further can be driven by the connecting plates 15 to move the arc-shaped convex points 7, and the convex packet can be adaptively adjusted and used according to actual processing requirements.

The inner walls of the upper die bases 2 on two sides of the screw rod 9 are respectively fixed with a guide rod 11, the movable plate 10 is slidably mounted on the outer surfaces of the two guide rods 11, and the guide rods 11 can guide and support the rotation of the screw rod 9 and the movement of the movable plate 10, so that the movable plate 10 is better in stability when moving under the rotating action of the screw rod 9 and is not prone to tilting.

Arc bump 7 includes bump base 13 and two bumps extension seat 14, two bumps extend seat 14 and slide respectively at the both ends of bump base 13, the both ends of bump base 13 are all seted up flutedly, and install spring 16 in the recess, spring 16 extends the one end of recess and is fixed with screens piece 17, the screens groove that a plurality of confession screens piece 17 card was gone into is seted up to the lower surface that bump extended seat 14, the inside telescopic link 18 that is provided with both ends respectively with recess inner wall and screens piece 17 of spring 16, utilize the bump to extend seat 14 and bump base 13 cooperation constitution arc bump 7 and use, order about screens piece 17 card under spring 16's elastic action and go into the screens inslot portion of different positions department, thereby can carry out adaptability to the whole length of arc bump 7 and adjust the use.

The bump extends that the one end that seat 14 kept away from bump base 13 is fixed with bracing piece 19, and the one end that seat 14 was extended to the bump was kept away from to bracing piece 19 is fixed with ball 20, and ball 20 rolls the laminating at the inner wall of upper die base 2, and bracing piece 19 and ball 20 cooperation use can support bump extension seat 14, guarantees that bump extension seat 14 is difficult for appearing the position phenomenon of rocking in the convex closure forming process.

The upper surface of the lower die holder 1 is provided with a concave groove 6 opposite to the arc salient point 7.

When the device is used, the upper die base 2 and the lower die base 1 are installed by the aid of the installation plate 12, after positioning holes are punched, a material PCB product moves to the upper side of the lower die base 1, the positioning holes in the material PCB are aligned to the positioning pins 5 to realize positioning, position adjustment is carried out according to convex packet forming requirements, a hand wheel is rotated to drive the rotating shaft 8 to rotate during adjustment, the rotating shaft 8 drives the lead screw 9 to rotate, the lead screw 9 rotates to drive the moving plate 10 to move, the moving plate 10 drives the arc-shaped convex points 7 to move through the connecting plate 15, position adjustment is carried out, the length of the arc-shaped convex points 7 is adjusted after adjustment, the clamping blocks 17 are pressed to enable the clamping blocks 17 to extrude the springs 16 to shrink and separate from clamping grooves during adjustment, the convex point extending bases 14 are held to slide on the convex point bases 13, after the convex point extending bases slide to the required length, the clamping blocks 17 are driven to reset and clamped into the clamping grooves by the elasticity of the springs 16, adjustment is completed, then punching forming is carried out, the punching and the upper die-cutting forming is carried out, the upper die-cutting operation by the upper die base 2 moves downwards to match with the positioning pins 5, the rolling and the rolling backing plate is lifted up by the rolling and the rolling backing plate, and the rolling of the rolling backing plate when the rolling backing plate is lifted up, and the rolling of the rolling backing plate, and the rolling strip is lifted by the rolling backing plate, and the rolling of the rolling backing plate, and the rolling backing plate is lifted up by the rolling strip.

Claims

1. The utility model provides a can form die-cut mould structure of convex closure which characterized in that: including die holder (1) and upper die base (2) of laying relatively, the equal fixed mounting of the left and right sides face of die holder (1) and upper die base (2) has mounting panel (12), the mounting hole has been seted up on mounting panel (12), the back fixed mounting of die holder (1) has the ejection of compact to keep away blank board (3), the last fixed surface of die holder (1) has a plurality of pilot pin (5), just set up the through hole that supplies pilot pin (5) to pass on upper die base (2) to the position department of pilot pin (5), the lower surface of upper die base (2) is provided with arc bump (7), be provided with on upper die base (2) and be used for carrying out the adjustment mechanism who adjusts arc bump (7) position, concave groove (6) relative with arc bump (7) are seted up to die holder (1) upper surface.

2. The male-formable blanking die structure of claim 1, wherein: the left side and the right side of the upper surface of the discharging evacuation plate (3) are both fixedly provided with lifting base plates (4).

3. The male-formable blanking die structure of claim 1, wherein: the adjusting mechanism comprises a lead screw (9) arranged inside the upper die base (2), two rotating shafts (8) which are arranged at two ends of the lead screw (9) and are rotatably connected with the upper die base (2), a hand wheel arranged at the end part of one of the rotating shafts (8), a moving plate (10) arranged on the outer surface of the lead screw (9) in a threaded mode, and two connecting plates (15) arranged on the lower surface of the moving plate (10), wherein one end, far away from the moving plate (10), of each connecting plate (15) penetrates through a channel formed in the lower surface of the upper die base (2) to move out of the lower die base (1) and is connected with arc-shaped convex points (7).

4. The structure of a convex hull forming blanking die according to claim 3, characterized in that: guide rods (11) are fixed on the inner walls of the upper die bases (2) on the two sides of the lead screw (9), and the moving plate (10) is slidably mounted on the outer surfaces of the two guide rods (11).

5. The structure of a convex hull forming blanking die as claimed in claim 1, wherein: arc bump (7) extend seat (14), two including bump base (13) and two bumps the bump extends seat (14) and slides respectively at the both ends of bump base (13), the both ends of bump base (13) are all seted up flutedly, and install spring (16) in the recess, the one end that spring (16) extended the recess is fixed with screens piece (17), the screens groove that a plurality of supplied screens piece (17) card to go into is seted up to the lower surface that the bump extended seat (14), spring (16) inside is provided with telescopic link (18) that both ends are connected with recess inner wall and screens piece (17) respectively.

6. The structure of a convex hull forming blanking die according to claim 5, characterized in that: the one end that bump base (13) was kept away from in bump extension seat (14) is fixed with bracing piece (19), the one end that bump extension seat (14) was kept away from in bracing piece (19) is fixed with ball (20), ball (20) roll laminating at the inner wall of upper die base (2).