CN217726838U

CN217726838U - Shaft hole punch structure for die

Info

Publication number: CN217726838U
Application number: CN202221184985.4U
Authority: CN
Inventors: 孙玲
Original assignee: Wuxi Tongyue Precision Machinery Co ltd
Current assignee: Wuxi Tongyue Precision Machinery Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-11-04
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a shaft hole punch structure for a die, which relates to the technical field of shaft hole punches and comprises a mounting seat, wherein the side surface of the mounting seat is fixedly connected with a mounting cylinder, the inside of the mounting cylinder is provided with a connecting box, the side surface of the connecting box is provided with a shaft hole punch body, the inner side surface of the connecting box is provided with a bayonet lock mechanism, and the outer surface of the connecting box is provided with a limiting groove in a through manner; the utility model discloses the installation of shaft hole drift and dismantlement step are more succinct under the effect of bayonet lock mechanism to the in-process shaft hole drift that uses is fixed reliable firm, the time of shaft hole drift dismouting has been reduced, the efficiency to die processing has been improved, can fix the pull rod after the fixed completion of shaft hole drift under the effect of firm mechanism, it can not take place to rock in shaft hole drift working process to have guaranteed, avoided because the vibrations that work piece processing produced stably causes certain influence to the connection of connecting box.

Description

Shaft hole punch structure for die

Technical Field

The utility model relates to a shaft hole drift technical field especially relates to a shaft hole drift structure for mould.

Background

The punch refers to a metal part on a stamping die in a mechanical tool, is called a stamping rod, a stamping needle or a punch, and is arranged on the stamping die to perform continuous punching, stamping and breaking operation, so that a processed material is separated or plastically deformed, and a required finished product or a semi-finished product is obtained;

in the actual production process of a stamping die, a punch is an indispensable working part and has the function of realizing trimming and separation of punching waste, and when the shaft hole punch in the existing market is installed, the shaft hole punch cannot be well limited and locked, so that the phenomenon of installation looseness can occur when the shaft hole punch is used for a long time; therefore, a shaft hole punch structure for a die needs to be designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a shaft hole punch structure for a die.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a shaft hole drift structure for mould, includes the mount pad, the side fixedly connected with installation section of thick bamboo of mount pad, the inside of installation section of thick bamboo is provided with the connecting box, the side-mounting of connecting box has shaft hole drift body, the medial surface of connecting box is provided with bayonet lock mechanism, the surface of connecting box link up and has seted up the spacing groove, the side of mount pad is provided with stabilizing mean.

Preferably, bayonet lock mechanism includes the dwang, the dwang rotates to be connected between two relative medial surfaces of connecting box, the fixed cover of surface of dwang is equipped with the driving plate, the connection swash plate of four equipartitions of external fixed surface of driving plate is connected with, the surface through connection of connecting box has the cotter of four equipartitions, four the equal fixedly connected with transfer line in bottom surface of cotter, four all be provided with two supporting spring between the medial surface of side of cotter and connecting box, the surface that the dwang is located between driving plate and the connecting box medial surface is provided with the torsional spring.

Preferably, stabilizing mean includes fixed sleeve, fixed sleeve fixed connection is in the side of mount pad, the sliding sleeve of fixed sleeve's medial surface is equipped with the bracing piece, be provided with reset spring between bracing piece and the fixed sleeve's the medial surface, the bracing piece is located the tip fixedly connected with cassette outside the fixed sleeve.

Preferably, the outer fixed surface of dwang is connected with the pull rod, the pull rod passes the medial surface of spacing groove and surface and spacing groove and laminates mutually.

Preferably, the inner side surface of the mounting cylinder is provided with four pin grooves corresponding to the pin plates.

Preferably, the outer surface of the pull rod is attached to the inner side surface of the clamping seat.

The utility model discloses following beneficial effect has:

1. by arranging the connecting box and the clamping pin mechanism, the steps of mounting and dismounting the shaft hole punch are simpler under the action of the clamping pin mechanism, and the shaft hole punch is fixed reliably and firmly in the using process, so that the time for dismounting the shaft hole punch is reduced, and the efficiency of processing the die is improved;

2. through setting up pull rod and stabilizing mean, can fix the pull rod after the fixed completion of shaft hole drift under stabilizing mean's effect, guaranteed that it can not take place to rock in shaft hole drift working process, avoided because the vibrations that the work piece processing produced stably causes certain influence to the connection of connecting box.

Drawings

Fig. 1 is a schematic view of a main structure of a shaft hole punch structure for a die according to the present invention;

fig. 2 is a schematic structural diagram of a top cross-sectional view of a connecting box of a shaft hole punch structure for a die according to the present invention;

fig. 3 is a schematic structural view of a fixing mechanism of a shaft hole punch structure for a die according to the present invention;

in the figure: 1. a mounting base; 2. mounting the cylinder; 3. a connecting box; 4. a bayonet mechanism; 41. rotating the rod; 42. a drive plate; 43. connecting an inclined plate; 44. a transmission rod; 45. a pin plate; 46. a support spring; 5. a limiting groove; 6. a pull rod; 7. a pin slot; 8. a stabilizing mechanism; 81. fixing the sleeve; 82. a support bar; 83. a return spring; 84. a card holder; 9. shaft hole drift body.

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.

Referring to fig. 1-3, a shaft hole punch structure for a mold, comprising a mounting seat 1, a mounting cylinder 2 fixedly connected to a side surface of the mounting seat 1, a connecting box 3 disposed inside the mounting cylinder 2, a shaft hole punch body 9 mounted to a side surface of the connecting box 3, a bayonet mechanism 4 disposed on an inner side surface of the connecting box 3, the bayonet mechanism 4 including a rotating rod 41, the rotating rod 41 rotatably connected between two opposite inner side surfaces of the connecting box 3, a pull rod 6 fixedly connected to an outer surface of the rotating rod 41, the pull rod 6 passing through a limiting groove 5 and having an outer surface fitting to the inner side surface of the limiting groove 5, a transmission plate 42 fixedly disposed on the outer surface of the rotating rod 41, four connecting inclined plates 43 uniformly distributed on the outer surface of the transmission plate 42, four pin plates 45 uniformly distributed on the outer surface of the connecting box 3, a transmission rod 44 fixedly connected to bottom surfaces of the four pin plates 45, two supporting springs 46 are arranged between the side surfaces of the four pin plates 45 and the inner side surface of the connecting box 3, the outer surface of the rotating rod 41, which is positioned between the transmission plate 42 and the inner side surface of the connecting box 3, is provided with a torsion spring, the steps of installing and disassembling the shaft hole punch are simpler under the action of the pin mechanism 4, the shaft hole punch is fixed reliably and firmly in the using process, the time for disassembling and assembling the shaft hole punch is reduced, the efficiency of processing a die is improved, the inner side surface of the installing cylinder 2 is provided with four pin grooves 7 corresponding to the pin plates 45, the outer surface of the connecting box 3 is provided with a limiting groove 5 in a through manner, the side surface of the installing seat 1 is provided with a stabilizing mechanism 8, the stabilizing mechanism 8 comprises a fixing sleeve 81, the fixing sleeve 81 is fixedly connected to the side surface of the installing seat 1, the inner side surface of the fixing sleeve 81 is slidably sleeved with a supporting rod 82, and a reset spring 83 is arranged between the supporting rod 82 and the inner side surface of the fixing sleeve 81, the tip fixedly connected with cassette 84 that bracing piece 82 is located the fixed sleeve 81 outside, the surface of pull rod 6 laminates with the medial surface of cassette 84 mutually, can fix pull rod 6 after the fixed completion of shaft hole drift under the effect of stabilizing mean 8, has guaranteed that it can not take place to rock in shaft hole drift working process, has avoided because the vibrations that the work piece processing produced lead to the fact certain influence to the connection stability of connecting box 3.

The utility model discloses a concrete theory of operation as follows:

for the installation of the shaft hole punch structure, firstly, before the installation, the outer surface of the shaft hole punch body 9 needs to be checked, whether the smoothness of the outer surface meets the use requirement is observed, then a worker holds the connecting box 3 and pulls the pull rod 6 on the outer surface of the connecting box 3, the pull rod 6 is located at one end of the limiting groove 5 in an initial state, the pull rod 6 needs to be pulled to the other end of the limiting groove 5 in the pulling process, the pull rod 6 can drive the rotating rod 41 to rotate when pulled, the four connecting inclined plates 43 on the outer surface of the rotating rod 41 can also rotate when rotated, so that the connecting inclined plates 43 rotate from the highest end to the lowest end of the top surface, at the moment, the driving rod 44 and the pin plates 45 slide under the action of the supporting spring 46, the bottom surface of the driving rod 44 can be always attached to the top surface of the connecting inclined plates 43, and at the moment, the four pin plates 45 can move to be flush with the outer surface of the connecting box 3;

subsequently, the connecting box 3 is inserted into the mounting cylinder 2, the pull rod 6 is loosened to rotate and reset under the action of the torsion spring after the four pin plates 45 are aligned with the pin grooves 7, the pin plates 45 can move out of the connecting box 3 and pin into the pin grooves 7 on the inner side surface of the mounting cylinder 2, the connecting box 3 and the shaft hole punch body 9 are fixed, then the supporting rod 82 is pressed to enable a part of the supporting rod to enter the fixing sleeve 81, then the clamping seats 84 are aligned with the pull rod 6, the supporting rod 82 is loosened, the supporting rod 82 is moved with the clamping seats 84 under the action of the reset spring 83, the clamping seats 84 are clamped on the outer surface of the pull rod 6, and the pull rod 6 is fixed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a shaft hole drift structure for mould, includes mount pad (1), its characterized in that, the side fixedly connected with installation section of thick bamboo (2) of mount pad (1), the inside of installation section of thick bamboo (2) is provided with connecting box (3), the side-mounting of connecting box (3) has shaft hole drift body (9), the medial surface of connecting box (3) is provided with bayonet lock mechanism (4), spacing groove (5) have been seted up to the surface of connecting box (3) link up, the side of mount pad (1) is provided with stabilizing mean (8).

2. The shaft hole punch structure for the die as claimed in claim 1, wherein the pin mechanism (4) comprises a rotating rod (41), the rotating rod (41) is rotatably connected between two opposite inner side surfaces of the connecting box (3), a transmission plate (42) is fixedly sleeved on the outer surface of the rotating rod (41), a connection inclined plate (43) with four uniform distributions is fixedly connected to the outer surface of the transmission plate (42), a pin plate (45) with four uniform distributions is connected to the outer surface of the connecting box (3) in a penetrating manner, four transmission rods (44) are fixedly connected to the bottom surface of the pin plate (45), four support springs (46) are arranged between the side surface of the pin plate (45) and the inner side surface of the connecting box (3), and a torsion spring is arranged on the outer surface of the rotating rod (41) between the transmission plate (42) and the inner side surface of the connecting box (3).

3. The shaft hole punch structure for the die is characterized in that the stabilizing mechanism (8) comprises a fixing sleeve (81), the fixing sleeve (81) is fixedly connected to the side surface of the mounting seat (1), a supporting rod (82) is slidably sleeved on the inner side surface of the fixing sleeve (81), a return spring (83) is arranged between the supporting rod (82) and the inner side surface of the fixing sleeve (81), and a clamping seat (84) is fixedly connected to the end, located on the outer side of the fixing sleeve (81), of the supporting rod (82).

4. The shaft hole punch structure for the die is characterized in that a pull rod (6) is fixedly connected to the outer surface of the rotating rod (41), the pull rod (6) penetrates through the limiting groove (5), and the outer surface of the pull rod is attached to the inner side surface of the limiting groove (5).

5. The shaft hole punch structure for the die as claimed in claim 2, wherein the inner side surface of the mounting cylinder (2) is provided with four pin grooves (7) corresponding to the pin plates (45).

6. The shaft hole punch structure for the die is characterized in that the outer surface of the pull rod (6) is attached to the inner side surface of the clamping seat (84).