CN213436598U

CN213436598U - Miniature punching pin positioning structure

Info

Publication number: CN213436598U
Application number: CN202022253663.8U
Authority: CN
Inventors: 邹禄华
Original assignee: Dongguan Duanpin Precision Electronics Co ltd
Current assignee: Dongguan Duanpin Precision Electronics Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-15
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a miniature punch positioning structure, which comprises a punching mechanism, a base and a positioning mechanism, wherein the positioning mechanism is arranged above the base, the punching mechanism is arranged at the periphery of the positioning mechanism, when an upper die and a lower die are assembled, a second punching hole is matched with a first punching hole, one end of a punch is positioned in the second punching hole, a pressing block is controlled to press down, the vertical guiding of the second punching hole is matched, and the first punching hole is positioned, so that the punch is ensured to be vertically and accurately punched, the phenomenon that the punch is broken is avoided from being slightly deviated from the positioning point, the positioning mechanism is guided through a guide rod, the accurate assembly between the positioning mechanism and the base is ensured, a spring is arranged in the guide rod, one end of the guide rod is connected with the spring, when the punch pushes up the punching mechanism, the punching mechanism is enabled to vertically move, and the lower end of the punch is tightly attached to a workpiece to be punched, the punch is guaranteed not to deviate from the positioning point when the hole is formed.

Description

Miniature punching pin positioning structure

Technical Field

The utility model relates to a stamping die technical field specifically is a miniature punching pin location structure.

Background

The punch, a metal part on a stamping die in a machine tool, also called a punch bar, a punch pin or a punch, is installed on the stamping die to perform continuous punching, stamping and breaking operation, so that the processed material is separated or plastically deformed, and a required finished product or semi-finished product is obtained.

When the existing punch is used for positioning and punching, the punch is easy to break due to slight deviation from a positioning point.

To solve the above problems. Therefore, a micro punch positioning structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature punching pin location structure to solved among the prior art punching pin when punching a hole in the location, the punching pin is easy because of and take place slight skew between the setpoint, thereby makes the cracked problem of punching pin.

In order to achieve the above object, the utility model provides a following technical scheme: a miniature punch positioning structure comprises a punching mechanism, a base and a positioning mechanism, wherein the positioning mechanism is arranged above the base, the punching mechanism is arranged on the periphery of the positioning mechanism, the punching mechanism comprises a pressing block, a punch and a guide rod, the guide rod is arranged at the corner of the pressing block, and the punch is arranged on the lower surface of the pressing block;

the base comprises a lower die, a fixing ring and a guide rod, the fixing ring is arranged inside the corner of the lower die, the guide rod is arranged on the upper surface of the lower die, and one end of the guide rod penetrates through the fixing ring;

the positioning mechanism comprises a linkage block and an upper die, wherein the linkage block is arranged on the upper surface of the upper die.

Preferably, the pressing block is internally provided with a pressing groove, and the pressing groove is matched with the linkage block.

Preferably, the lower die comprises a mounting groove, a notching groove and a first punched hole, the mounting groove is formed in the corner of the lower die, the notching groove is formed in the upper surface of the lower die, the first punched hole is formed in the bottom of the notching groove, and the first punched hole is matched with the punch.

Preferably, constitute between solid fixed ring and the mounting groove and rotate swing joint, and the inner wall of solid fixed ring sets up fixed round pin.

Preferably, the guide bar includes spring, guide way and draw-in groove, the inside of guide bar sets up the spring, and the one end of guide bar is connected with the spring, the guide way has been seted up to the periphery of guide bar, and the one end of guide way sets up the draw-in groove, draw-in groove and fixed round pin phase-match.

Preferably, the upper die comprises a guide hole and a second punched hole, the guide hole is formed in the corner of the upper die, the upper end of the guide rod is located inside the guide hole, the second punched hole is formed in the upper die, and the second punched hole is matched with the first punched hole.

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

1. the utility model provides a miniature punching pin location structure, make whole positioning mechanism push down through control linkage piece, when positioning mechanism pushes down, through the drift with punching press mechanism jack-up, after last mould and lower mould compound die, the second punches a hole and coincide with the first punching a hole, the one end of drift is located the inside that the second punched a hole, the re-control briquetting pushes down, the perpendicular direction that the cooperation second punched a hole and to the location of punching a hole first, the guarantee drift carries out accurate trompil perpendicularly, avoid taking place slight skew between drift and the setpoint, cause the cracked phenomenon of drift.

2. The utility model provides a miniature punching pin location structure, through the guide of guide bar to positioning mechanism, accurate compound die between guarantee positioning mechanism and the base, the inside of rethread guide bar sets up the spring, and the one end of guide bar is connected with the spring, when the drift with punching press mechanism jack-up, make punching press mechanism carry out the vertical motion simultaneously, the lower extreme of drift with treat closely laminating between the punching press work piece, the guarantee drift when the trompil, and the setpoint between can not take place skew.

3. The utility model provides a miniature punching pin location structure constitutes rotation swing joint between through solid fixed ring and the mounting groove, and solid fixed ring's inner wall sets up fixed commentaries on classics round pin, and the guide way has been seted up to the periphery of guide bar, and the one end of guide way sets up the draw-in groove, and draw-in groove and fixed commentaries on classics round pin phase-match, through rotating solid fixed ring, break away from the draw-in groove messenger when fixed commentaries on classics round pin, can carry out the dismouting to the guide bar, make whole mould separate, be convenient for overhaul the mould and the change of drift.

Drawings

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

FIG. 2 is a schematic view of the three-dimensional structure of the punching mechanism of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the base of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of the positioning mechanism of the present invention;

fig. 5 is a schematic view of the sectional structure of the guide bar joint of the present invention.

In the figure: 1. a stamping mechanism; 11. briquetting; 111. pressing a groove; 12. a punch; 13. a guide bar; 2. a base; 21. a lower die; 211. mounting grooves; 212. notching; 213. first punching; 22. a fixing ring; 221. fixing the rotating pin; 23. a guide bar; 231. a spring; 232. a guide groove; 233. a card slot; 3. a positioning mechanism; 31. a linkage block; 32. an upper die; 321. a guide hole; 322. and (7) second punching.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a positioning structure of a micro punch includes a punching mechanism 1, a base 2 and a positioning mechanism 3, the positioning mechanism 3 is disposed above the base 2, the punching mechanism 1 is disposed at the periphery of the positioning mechanism 3, the punching mechanism 1 includes a press block 11, a punch 12 and a guide rod 13, the guide rod 13 is disposed at the corner of the press block 11, the punch 12 is mounted on the lower surface of the press block 11, the base 2 includes a lower die 21, a fixing ring 22 and a guide rod 23, the fixing ring 22 is disposed inside the corner of the lower die 21, the guide rod 23 is disposed on the upper surface of the lower die 21, one end of the guide rod 23 penetrates through the fixing ring 22, the positioning mechanism 3 includes a link block 31 and an upper die 32, the link block 31 is disposed on the upper surface of the upper die 32, a press groove 111 is disposed inside the press block 11, the press groove 111 is matched with the link block 31, the lower die 21 includes a mounting groove, the corner of the lower die 21 is provided with a mounting groove 211, the upper surface of the lower die 21 is provided with a punching groove 212, the bottom of the punching groove 212 is provided with a first punching hole 213, the first punching hole 213 is matched with the punch 12, the upper die 32 comprises a guide hole 321 and a second punching hole 322, the corner of the upper die 32 is provided with the guide hole 321, the upper end of the guide rod 23 is positioned in the guide hole 321, the inner part of the upper die 32 is provided with a second punching hole 322, the second punching hole 322 is matched with the first punching hole 213, the whole positioning mechanism 3 is pressed downwards by controlling the linkage block 31, the punch 12 jacks up the punching mechanism 1 when the positioning mechanism 3 is pressed downwards, after the upper die 32 and the lower die 21 are closed, the second punching hole 322 is matched with the first punching hole 213, one end of the punch 12 is positioned in the second punching hole 322, the press block 11 is controlled to press downwards, the vertical guide of the second punching hole 322 is matched to position the first punching, guarantee drift 12 perpendicularly carries out accurate trompil, avoid taking place slight skew between drift 12 and the setpoint, cause the cracked phenomenon of drift 12, guide to positioning mechanism 3 through guide arm 13, guarantee accurate compound die between positioning mechanism 3 and the base 2, the inside of rethread guide bar 23 sets up spring 231, and the one end of guide bar 23 is connected with spring 231, when drift 12 pushes up punching press mechanism 1, make punching press mechanism 1 carry out the vertical motion simultaneously, the lower extreme of drift 12 with treat closely laminating between the punching press work piece, guarantee drift 12 when the trompil, and can not take place skew between the setpoint.

Referring to fig. 3 and 5, in a positioning structure of a micro punch, a fixed ring 22 is rotatably and movably connected with a mounting groove 211, a fixed rotating pin 221 is disposed on an inner wall of the fixed ring 22, a guide rod 23 includes a spring 231, a guide groove 232 and a clamping groove 233, the spring 231 is disposed inside the guide rod 23, one end of the guide rod 23 is connected with the spring 231, the guide groove 232 is disposed on the periphery of the guide rod 23, the clamping groove 233 is disposed at one end of the guide groove 232, the clamping groove 233 is matched with the fixed rotating pin 221, and by rotating the fixed ring 22, when the fixed rotating pin 221 is separated from the clamping groove 233, the guide rod 23 can be disassembled and assembled, so that the whole die is separated, thereby facilitating the maintenance of the die and the replacement of the punch 12.

In summary, the following steps: the utility model provides a miniature punching pin location structure, including punching press mechanism 1, base 2 and positioning mechanism 3, positioning mechanism 3 sets up in the top of base 2, punching press mechanism 1 sets up in positioning mechanism 3's periphery, make whole positioning mechanism 3 push down through control linkage piece 31, when positioning mechanism 3 pushes down, punch press mechanism 1 is jack-up through drift 12, after upper die 32 and lower die 21 compound die, second punch hole 322 is identical with first punch hole 213, one end of drift 12 is located the inside of second punch hole 322, and then control briquetting 11 to push down, cooperate the vertical direction of second punch hole 322 and to the location of first punch hole 213, guarantee drift 12 to carry out accurate trompil perpendicularly, avoid taking place slight skew between drift 12 and the setpoint, cause the cracked phenomenon of drift 12, guide arm 13 is to positioning mechanism 3's guide, guarantee accurate compound die between positioning mechanism 3 and base 2, and then, a spring 231 is arranged in the guide rod 23, and one end of the guide rod 23 is connected with the spring 231, when the punch 12 jacks up the punching mechanism 1, the punching mechanism 1 moves vertically, meanwhile, the lower end of the punch 12 is tightly attached to a workpiece to be punched, the punch 12 is ensured not to deviate from positioning points when being perforated, a rotary movable connection is formed between the fixing ring 22 and the mounting groove 211, the inner wall of the fixing ring 22 is provided with a fixed rotating pin 221, the periphery of the guide rod 23 is provided with a guide groove 232, one end of the guide groove 232 is provided with a clamping groove 233, the clamping groove 233 is matched with the fixed rotating pin 221, and by rotating the fixing ring 22, when the fixed rotating pin 221 is separated from the clamping groove 233, the guide rod 23 can be disassembled and assembled, so that the integral die is separated, and the die is convenient to overhaul and the punch 12 is convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a miniature punching pin location structure, includes punching press mechanism (1), base (2) and positioning mechanism (3), positioning mechanism (3) set up in the top of base (2), and punching press mechanism (1) sets up the periphery at positioning mechanism (3), its characterized in that: the stamping mechanism (1) comprises a pressing block (11), a punch (12) and a guide rod (13), the guide rod (13) is arranged at the corner of the pressing block (11), and the punch (12) is installed on the lower surface of the pressing block (11);

the base (2) comprises a lower die (21), a fixing ring (22) and a guide rod (23), the fixing ring (22) is arranged inside the corner of the lower die (21), the guide rod (23) is arranged on the upper surface of the lower die (21), and one end of the guide rod (23) penetrates through the fixing ring (22);

the positioning mechanism (3) comprises a linkage block (31) and an upper die (32), wherein the linkage block (31) is arranged on the upper surface of the upper die (32).

2. The micro punch positioning structure of claim 1, wherein: the pressing block (11) is internally provided with a pressing groove (111), and the pressing groove (111) is matched with the linkage block (31).

3. The micro punch positioning structure of claim 1, wherein: the lower die (21) comprises a mounting groove (211), a punching groove (212) and a first punched hole (213), the mounting groove (211) is formed in the corner of the lower die (21), the punching groove (212) is formed in the upper surface of the lower die (21), the bottom of the punching groove (212) is provided with the first punched hole (213), and the first punched hole (213) is matched with the punch (12).

4. The micro punch positioning structure of claim 1, wherein: constitute between solid fixed ring (22) and mounting groove (211) and rotate swing joint, and the inner wall of solid fixed ring (22) sets up fixed commentaries on classics round pin (221).

5. The micro punch positioning structure of claim 1, wherein: guide bar (23) include spring (231), guide way (232) and draw-in groove (233), the inside of guide bar (23) sets up spring (231), and the one end of guide bar (23) is connected with spring (231), guide way (232) have been seted up to the periphery of guide bar (23), and the one end of guide way (232) sets up draw-in groove (233), draw-in groove (233) and fixed round pin (221) phase-match.

6. The micro punch positioning structure of claim 1, wherein: go up mould (32) including guiding hole (321) and second punch a hole (322), guiding hole (321) have been seted up to the corner of going up mould (32), and the upper end of guide bar (23) is located the inside of guiding hole (321), the second punch a hole (322) have been seted up to the inside of going up mould (32), and the second punches a hole (322) and first punch a hole (213) are identical.