CN219112689U

CN219112689U - Fixing structure of die punch pin

Info

Publication number: CN219112689U
Application number: CN202223296500.3U
Authority: CN
Inventors: 戴林峰; 马云飞
Original assignee: Wuxi Pugao Precision Machinery Technology Co ltd
Current assignee: Wuxi Pugao Precision Machinery Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-06-02
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a fixing structure of a die punch needle, which comprises the die punch needle and a fixing block structure capable of being spliced; the fixed block structure comprises splicing blocks; a semicircular groove is formed in the middle of one side of the splicing block; the semicircular grooves of the spliced blocks which are spliced relatively are spliced to form clamping grooves; a limiting ring groove is formed in the middle of the clamping groove in a circumferential direction; the side wall of the top end of the die punch needle is fixedly provided with a ring block in the circumferential direction; the top end of the die punch needle penetrates into the clamping groove, and the ring block is embedded into the limiting ring; and the limiting structure arranged in the limiting ring groove is limited to the ring block. The utility model provides a fixing structure of a die punch needle, wherein a splicing block of a fixing block structure is spliced relatively to clamp the die punch needle, and the punch needle is limited through a limiting ring groove and a limiting structure, so that the loosening condition of the fixing block structure is avoided, and the effect of fixing the punch needle is maintained.

Description

Fixing structure of die punch pin

Technical Field

The utility model relates to the field of fixed structures of die punching needles.

Background

The punch pin in the die is generally required to be fixed, so that the punch pin is not easy to move during processing, and the condition that the punch pin is easy to break and damage is avoided; the existing punch needle fixing structure comprises an insertion block, a punch needle penetrates through the insertion block from top to bottom, a pressing block is arranged at the top of the insertion block, and the pressing block is connected with the insertion block through a connecting piece, so that the punch needle is fixed; when punching press, the punching pin needs the punching press and the extraction process of great effort, when punching pin pulls out spare part, can pull the inserts, causes the not hard up or the damage of connecting piece very easily in the past, leads to producing the clearance between briquetting and the inserts, is difficult to fixed punching pin.

Disclosure of Invention

The utility model aims to: in order to overcome the defects in the prior art, the utility model provides a fixing structure of a die punching needle, a splicing block of a fixing block structure is spliced relatively to clamp the die punching needle, and the die punching needle is limited by a limiting ring groove and a limiting structure, so that the condition that the fixing block structure is loose is avoided, and the effect of fixing the punching needle is maintained.

The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:

a fixing structure of a die punch needle comprises the die punch needle and a spliced fixing block structure; the fixed block structure comprises splicing blocks; a semicircular groove is formed in the middle of one side of the splicing block; the semicircular grooves of the spliced blocks which are spliced relatively are spliced to form clamping grooves; a limiting ring groove is formed in the middle of the clamping groove in a circumferential direction; the side wall of the top end of the die punch needle is fixedly provided with a ring block in the circumferential direction; the top end of the die punch needle penetrates into the clamping groove, and the ring block is embedded into the limiting ring; and the limiting structure arranged in the limiting ring groove is limited to the ring block.

Further, two sides of the semicircular groove on the splicing block are respectively provided with a notch; the notches at two sides of the semicircular groove are staggered up and down relatively; the positions of the corresponding gaps are spliced to form embedded blocks; the notch and the jogged block on one jogged block are matched with the jogged block and the notch on the other jogged block.

Further, the oppositely matched splicing blocks can be mutually and reversely spliced.

Further, a through hole is formed in the embedded block in a penetrating manner; the through holes on the embedded blocks of the opposite splicing blocks are correspondingly communicated; the bolt penetrates through the embedded blocks which are overlapped in series through holes.

Further, the limiting structure comprises a clamping block; the clamping block is fixedly arranged in the limit ring groove at the middle part of the semicircular groove; the clamping blocks on the opposite splicing blocks are oppositely arranged; the ring block is provided with a notch corresponding to the clamping block.

Further, one side wall of the clamping block is adapted to the inner wall of the semicircular groove; the inner wall of the notch I is adapted to the surface of the die punch pin; the width of the middle part of the clamping block is larger than the width of the two ends of the clamping block.

Further, a plurality of inner grooves are formed in the inner wall of the notch; the inner groove is opposite to the clamping block, and a semicircular protruding block corresponding to the inner groove is fixedly arranged on the side wall of the clamping block.

The beneficial effects are that: when two opposite splicing blocks are clamped at the top end of the die punch pin, the two splicing blocks are spliced together to form a clamping groove, and a limiting ring groove formed in the clamping groove can limit a ring block on the die punch pin, so that the length direction of the die punch pin is limited; the limiting structure arranged in the limiting ring groove limits the ring block in the circumferential direction, so that the fixed block structure formed by splicing plays a role in fixing the die punch pin.

Drawings

FIG. 1 is a fixed structure diagram of a die punch pin;

FIG. 2 is a diagram of a fixed block configuration;

FIG. 3 is a diagram of a splice block arrangement;

fig. 4 is a drawing of the structure of the die punch pin.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1-4: the fixing structure of the die punch needle comprises the die punch needle 1 and a spliced fixing block structure 2; the fixed block structure 2 comprises a splice block 21; a semicircular groove 211 is formed in the middle of one side of the splicing block 21; the semicircular grooves 211 of the spliced blocks 21 which are spliced relatively are spliced to form clamping grooves 22; a limiting ring groove 23 is formed in the middle of the clamping groove 22 in a circumferential direction; the side wall of the top end of the die punch needle 1 is fixedly provided with a ring block 11 in the circumferential direction; the top end of the die punch needle 1 penetrates into the clamping groove 22, and the ring block 11 is embedded into the limit ring groove 23; the limiting structure 3 arranged in the limiting ring groove 23 is limited to the ring block 11. When two opposite splicing blocks are clamped at the top end of the die punching needle, the two splicing blocks are spliced together to form a clamping groove, and a limiting ring groove formed in the clamping groove can limit a ring block on the die punching needle, so that the length direction of the die punching needle is limited; the limiting structure arranged in the limiting ring groove limits the ring block in the circumferential direction, so that the fixed block structure formed by splicing plays a role in fixing the die punching needle, the die punching needle is fixed by the spliced block in a splicing mode, the spliced block is clamped at the corresponding position of the die punching needle, and the fixed block structure can be fixed in the long-term use process.

Gaps 212 are respectively formed on two sides of the semicircular groove 211 on the splicing block 21; notches 212 on two sides of the semicircular groove 211 are staggered up and down relatively; the position of the splicing block 21 corresponding to the notch 212 forms a jogged block 213; the notch 212 and the fitting piece 213 on one of the splice blocks 21 are fitted with the fitting piece 213 and the notch 212 on the other splice block 21. The splice blocks 21 which are matched relatively can be mutually turned over and spliced; opposite splicing blocks can be mutually turned over and converted, the limitation of fixed positions is avoided, and the splicing is more convenient.

The embedded block 213 is provided with a through hole 214; through holes 214 on the embedded blocks 213 of the opposite splicing blocks 21 are correspondingly communicated; the bolts penetrate through the fitting blocks 213 which are serially overlapped with each other in the through holes 214. The jogged blocks of the jogged blocks are fixed together through bolts, and the disassembly and the assembly are convenient.

The limiting structure 3 comprises a clamping block 31; the clamping block 31 is fixedly arranged in the limit ring groove 23 at the middle part of the semicircular groove 211; the clamping blocks 31 on the opposite splicing blocks 21 are oppositely arranged; the ring block 11 is provided with a notch 111 corresponding to the snap-in block 31. When the splicing block is clamped on the die punch pin, the clamping block in the limiting ring groove is embedded into the notch, so that the movement of the ring block in the limiting ring groove can be limited, and the movement of the die punch pin in the circumferential direction can be further limited.

One side wall of the clamping block 31 is matched with the inner wall of the semicircular groove 211; an inner wall of the notch 111 is matched with the surface of the die punch pin 1; the width of the middle part of the clamping block 31 is larger than the width of the two ends of the clamping block 31; the fitting degree is increased, and the fixing effect is improved. A plurality of inner grooves 112 are formed in the inner wall of the notch 111; the inner groove 112 is opposite to the clamping block 31, and a semicircular protruding block 311 corresponding to the inner groove 112 is fixedly arranged on the side wall of the clamping block 31; when the clamping block is clamped into the notch, the protruding block is embedded into the inner groove, so that the limiting degree is further improved, and a better fixing effect is achieved.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model described above, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims

1. A fixed knot of mould towards needle constructs, its characterized in that: comprises a die punch needle (1) and a spliced fixed block structure (2); the fixed block structure (2) comprises a splice block (21); a semicircular groove (211) is formed in the middle of one side of the splicing block (21); the semicircular grooves (211) of the splicing blocks (21) which are spliced relatively are spliced to form clamping grooves (22); a limiting ring groove (23) is formed in the middle of the clamping groove (22) in a circumferential direction; a ring block (11) is fixedly arranged on the side wall of the top end of the die punching needle (1) in the circumferential direction; the top end of the die punch pin (1) penetrates into the clamping groove (22), and the ring block (11) is embedded into the limit ring groove (23); and a limiting structure (3) arranged in the limiting ring groove (23) is limited to the ring block (11).

2. The fixing structure of a die punch pin according to claim 1, wherein: gaps (212) are respectively formed on two sides of the semicircular groove (211) on the splicing block (21); notches (212) on two sides of the semicircular groove (211) are staggered up and down relatively; the splicing block (21) is provided with a jogged block (213) at the position corresponding to the notch (212); the notch (212) and the embedded block (213) on one splicing block (21) are matched with the embedded block (213) and the notch (212) on the other splicing block (21).

3. The fixing structure of a die punch pin according to claim 2, wherein: the splicing blocks (21) which are matched oppositely can be mutually and reversely spliced.

4. A die punch pin fixing structure according to claim 3, wherein: a through hole (214) is formed in the embedded block (213) in a penetrating manner; through holes (214) on the embedded blocks (213) of the opposite splicing blocks (21) are correspondingly communicated; the bolt penetrates through the embedded blocks (213) which are overlapped in series through the through holes (214).

5. A die punch pin fixing structure according to claim 3, wherein: the limiting structure (3) comprises a clamping block (31); the clamping block (31) is fixedly arranged in the limit ring groove (23) at the middle part of the semicircular groove (211); the clamping blocks (31) on the opposite splicing blocks (21) are oppositely arranged; the ring block (11) is provided with a notch (111) corresponding to the clamping block (31).

6. The fixing structure of a die punch pin according to claim 5, wherein: one side wall of the clamping block (31) is matched with the inner wall of the semicircular groove (211); an inner wall of the notch (111) is matched with the surface of the die punch pin (1); the width of the middle part of the clamping block (31) is larger than the width of the two ends of the clamping block (31).

7. The fixing structure of a die punch pin according to claim 6, wherein: a plurality of inner grooves (112) are formed in the inner wall of the notch (111); the inner groove (112) is opposite to the clamping block (31), and a semicircular protruding block (311) corresponding to the inner groove (112) is fixedly arranged on the side wall of the clamping block (31).