CN219093612U

CN219093612U - Mould with locating pin structure

Info

Publication number: CN219093612U
Application number: CN202222319991.2U
Authority: CN
Inventors: 陈建冲; 皮品
Original assignee: Wuhan Rockers Mould Technology Co ltd
Current assignee: Wuhan Rockers Mould Technology Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-05-30
Anticipated expiration: 2032-09-01

Abstract

The utility model provides a die with a locating pin structure, which comprises a lower clamping plate, an upper clamping plate, a lower die plate and an upper die plate, wherein the lower die plate and the upper die plate are respectively and fixedly arranged at the top of the lower clamping plate, the upper die plate is arranged at the bottom of the upper clamping plate, and a plurality of bases are fixedly arranged at the top of the lower clamping plate. When the cope match-plate pattern drives cope match-plate pattern and lower bolster, lower bolster compound die take place the skew by a small margin, the sleeve can extrude silica gel ring and rubber pad at the in-process that moves down, make silica gel ring and rubber pad take place bending deformation, drive the guide arm through silica gel ring and rubber pad simultaneously and also take place bending deformation, thereby can reach the effect that absorbs the cope match-plate pattern and move down impact force, the phenomenon that has avoided sleeve and locating pin to bump takes place, be favorable to protecting the locating pin, simultaneously, based on the material property of guide arm, silica gel ring and rubber pad self, when guide arm, silica gel ring and rubber pad are extruded, can produce trace conflict power to the sleeve, thereby make the sleeve take place the skew by a trace.

Description

Mould with locating pin structure

Technical Field

The utility model relates to the technical field of dies, in particular to a die with a locating pin structure.

Background

A mold, which is a tool for producing a molded article, and which is a tool for producing a molded article, which is formed of various parts, and which is formed of different parts, and which is industrially produced by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping, etc. to obtain a desired product;

the existing mould device has a plurality of guide mould closing devices, generally adopts a locating pin and a locating hole, the locating pin is of an integrated structure, so that the locating pin needs to have longer service life, when the locating pin and the mould are slightly deviated, friction and collision are easy to occur between the locating pin and the mould, so that the surface of the locating pin is seriously worn, the service life of the locating pin is easy to be greatly shortened, and the mould with the locating pin structure is provided.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a mold with a positioning pin structure, which solves or alleviates the technical problems in the prior art, and at least provides a beneficial choice.

The technical scheme of the embodiment of the utility model is realized as follows: the die with the locating pin structure comprises a lower clamping plate, an upper clamping plate, a lower die plate fixedly installed at the top of the lower clamping plate and an upper die plate arranged at the bottom of the upper clamping plate respectively, wherein a plurality of bases are fixedly installed at the top of the lower clamping plate, and locating pins are connected with the inner threads of the bases; the top end of the locating pin is fixedly provided with a guide rod, the outer surface of the guide rod is provided with a plurality of notches, silica gel rings are sleeved in the notches, and a rubber pad is fixedly arranged between two adjacent silica gel rings; the bottom of punch holder is fixed mounting has a plurality of sleeves, and a plurality of the cooperation cup joints between sleeve and the locating pin.

Preferably: the bases are positioned on two sides of the lower template, and the sleeves are uniformly distributed at the bottom of the upper clamping plate in a matrix mode.

Preferably: the top of cope match-plate pattern is fixed mounting respectively has a plurality of guide bars and a plurality of first spring, and is a plurality of first spring is located one side of a plurality of guide bars, a plurality of the top of first spring is fixed connection mutually with the bottom of punch holder, a plurality of the top of guide bar is connected with punch holder sliding fit.

Preferably: the utility model discloses a lower plate, including upper plate, lower plate, spout, upper plate's both sides are articulated through the hinge seat to have a plurality of bracing pieces, a plurality of the through-hole has all been seted up to lower part one side of bracing piece, the spout has been seted up to the inner wall opposite surface of through-hole, the inside slip fit of spout is connected with the fixture block that the shape is L shape, the inner wall top fixedly connected with second spring of through-hole, the bottom of second spring is fixedly connected with the top of fixture block mutually, a plurality of draw-in grooves have been seted up to the both sides of lower plate, a plurality of draw-in grooves cooperatees the joint with the fixture block.

By adopting the technical scheme, the embodiment of the utility model has the following advantages:

according to the utility model, when the upper clamping plate drives the upper clamping plate, the lower clamping plate and the lower clamping plate to be clamped to generate small-amplitude offset, the sleeve can extrude the silica gel ring and the rubber pad in the downward moving process, so that the silica gel ring and the rubber pad are bent and deformed, meanwhile, the guide rod is driven by the silica gel ring and the rubber pad to be bent and deformed, so that the effect of absorbing downward moving impact force of the upper clamping plate can be achieved, the phenomenon that the sleeve collides with the locating pin is avoided, the locating pin is protected, meanwhile, based on the material properties of the guide rod, the silica gel ring and the rubber pad, when the guide rod, the silica gel ring and the rubber pad are extruded, a trace amount of collision force is generated on the sleeve, so that the sleeve is slightly offset, the effect of generating a gap between the sleeve and the locating pin is realized, the friction between the sleeve and the locating pin is further avoided, the abrasion of the locating pin is effectively reduced, and the service life of the locating pin is prolonged.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the upper clamping plate of the present utility model;

FIG. 3 is a partial block diagram of the support pole of the present utility model;

fig. 4 is an enlarged structural view of the present utility model at a in fig. 1.

Reference numerals: 1. a lower clamping plate; 2. a lower template; 3. an upper clamping plate; 4. an upper template; 5. a base; 6. a positioning pin; 7. a guide rod; 8. a silica gel ring; 9. a rubber pad; 10. a sleeve; 11. a guide rod; 12. a first spring; 13. a support rod; 14. a through hole; 15. a second spring; 16. a clamping block; 17. a clamping groove.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, the embodiment of the utility model provides a mold with a locating pin structure, which comprises a lower clamping plate 1, an upper clamping plate 3, a lower template 2 and an upper template 4, wherein the lower template 2 is respectively and fixedly arranged at the top of the lower clamping plate 1, the upper template 4 is arranged at the bottom of the upper clamping plate 3, four bases 5 are arranged at the top of the lower clamping plate 1 and positioned at two sides of the lower template 2 through screws and screw holes, internal threads are formed on the inner surface of the bases 5, locating pins 6 are arranged in the bases 5, external threads are formed on the outer surface of the lower part of the locating pins 6, the locating pins 6 are in threaded connection with the bases 5 through the internal threads, so that the locating pins 6 are convenient to detach and replace, guide rods 7 are fixedly arranged at the top ends of the locating pins 6, the guide rods 7 are made of rubber materials, the hardness is not lower than 70 ℃, seven circular ring-shaped notches are formed on the outer surfaces of the guide rods 7, silica gel rings 8 are sleeved in the seven notches, rubber pads 9 are fixedly arranged between two adjacent silica gel rings 8, four sleeves 10 are fixedly arranged at the bottom of the upper clamping plate 3 and positioned at two sides of the upper template 4, and the tops of the four sleeves 10 are matched with the tops of the four sleeves 10 in a sleeved mode, and the top sleeves 10 are matched with the tops of the upper sleeves 3; when the upper clamping plate 3 drives the upper template 4 to be slightly deviated from the lower clamping plate 1 and the lower template 2 to be clamped, the sleeve 10 can extrude the silica gel ring 8 and the rubber pad 9 in the downward-shifting process, so that the silica gel ring 8 and the rubber pad 9 are bent and deformed, meanwhile, the guide rod 7 is driven to be bent and deformed through the silica gel ring 8 and the rubber pad 9, so that the effect of absorbing downward-shifting impact force of the upper clamping plate can be achieved, the phenomenon that the sleeve 10 collides with the positioning pin 6 is avoided, the positioning pin 6 is protected, meanwhile, based on the material properties of the guide rod 7, the silica gel ring 8 and the rubber pad 9, when the guide rod 7, the silica gel ring 8 and the rubber pad 9 are extruded, a trace amount of collision force is generated on the sleeve 10, so that the sleeve 10 is slightly deviated, the effect of generating a gap between the sleeve 10 and the positioning pin 6 is realized, the friction between the sleeve 10 and the positioning pin 6 is further avoided, the abrasion of the positioning pin 6 is effectively reduced, and the service life of the positioning pin 6 is prolonged.

In this embodiment, specific: the top of the upper template 4 is fixedly provided with four guide rods 11 and first springs 12, the four first springs 12 are positioned on one side of the four guide rods 11, the four guide rods 11 and the four first springs 12 are uniformly distributed on the top of the upper template 4 in a matrix form, the top ends of the four guide rods 11 are in sliding connection with the upper clamping plate 3 through linear bearings, the top ends of the four first springs 12 are fixedly connected with the bottom of the upper clamping plate 3, an injection port is formed in the center of the top of the upper clamping plate 3, and the injection port is communicated with the upper template 4; when the upper template 4 moves downwards and contacts with the lower template 2 and moves downwards continuously, the first spring 12 is extruded through the upper template 4 and drives the guide rod 11 to slide upwards on the upper clamping plate 3, so that the aim of reducing the downward impact force of the upper clamping plate 3 is fulfilled, the condition that the impact force of the upper clamping plate 3 is overlarge and the lower clamping plate 1 is damaged is avoided, meanwhile, the upper template 4 is prevented from shifting in the moving process through the guide rod 11, and the balance of the upper template 4 is ensured.

In this embodiment, specific: four supporting rods 13 are hinged to two sides of the upper clamping plate 3 through hinge bases, through holes 14 are formed in one side of the lower parts of the four supporting rods 13, second springs 15 are fixedly connected to the tops of the inner walls of the through holes 14, sliding grooves are formed in two sides of the inner walls of the through holes 14, clamping blocks 16 in an L shape are connected in a sliding fit mode in the sliding grooves, the bottom ends of the second springs 15 are fixedly connected with the tops of the clamping blocks 16, four clamping grooves 17 matched with the clamping blocks 16 are formed in two sides of the lower clamping plate 1, and the clamping blocks 16 are clamped with the clamping grooves 17; when lower plate 1 contacts with upper plate 3, through rotating bracing piece 13, make bracing piece 13 become vertical state, and with fixture block 16 and draw-in groove 17 alignment, simultaneously push down fixture block 16, drive fixture block 16 and slide in the through-hole 14 inside, and stretch second spring 15, when fixture block 16 moves to the draw-in groove 17 below, loosen fixture block 16, drive fixture block 16 through the restoring force of second spring 15 and upwards move, thereby realize fixture block 16 and the fixed purpose of draw-in groove 17 looks joint, because the restoring force of second spring 15 can drive fixture block 16 upwards move, consequently fixture block 16 can form the trend of upward movement in the inside of draw-in groove 17, and then make the compactness obtain promoting between upper plate 3 and the lower plate 1, prevent to exist the space between lower bolster 2 and the cope match-plate pattern 4, the leakproofness between lower bolster 2 and the cope match-plate pattern 4 has effectively been improved, the effect of injection molding has further been guaranteed.

The utility model works when in work: s1, when the upper clamping plate 3 drives the upper clamping plate 4 to be slightly deviated from the lower clamping plate 1 and the lower clamping plate 2 to be clamped, the sleeve 10 can extrude the silica gel ring 8 and the rubber pad 9 in the downward moving process, so that the silica gel ring 8 and the rubber pad 9 are bent and deformed, meanwhile, the guide rod 7 is driven by the silica gel ring 8 and the rubber pad 9 to be bent and deformed, the effect of absorbing downward moving impact force of the upper clamping plate can be achieved, the phenomenon that the sleeve 10 collides with the positioning pin 6 is avoided, the positioning pin 6 is protected, meanwhile, based on the material properties of the guide rod 7, the silica gel ring 8 and the rubber pad 9, a trace amount of collision force is generated on the sleeve 10 when the guide rod 7, the silica gel ring 8 and the rubber pad 9 are extruded, so that the sleeve 10 is slightly deviated, a gap effect is further realized between the sleeve 10 and the positioning pin 6, the friction condition between the sleeve 10 and the positioning pin 6 is further avoided, the abrasion of the positioning pin 6 is effectively reduced, and the service life of the positioning pin 6 is prolonged;

s2, when lower plate 1 contacts with upper plate 3, through rotating bracing piece 13, make bracing piece 13 change into vertical state, and with fixture block 16 and draw-in groove 17 alignment, push down fixture block 16 simultaneously, drive fixture block 16 and slide in the inside of through-hole 14, and stretch second spring 15, when fixture block 16 moves to the draw-in groove 17 below, loosen fixture block 16, drive fixture block 16 through the restoring force of second spring 15 and upwards move, thereby realize fixture block 16 and the fixed purpose of draw-in groove 17 looks joint, because the restoring force of second spring 15 can drive fixture block 16 upwards move, consequently fixture block 16 can form the trend of upward movement in the inside of draw-in groove 17, and then make the compactness obtain promoting between upper plate 3 and the lower plate 1, prevent to have the space between lower bolster 2 and the cope match-plate pattern 4, the leakproofness between lower bolster 2 and the cope match-plate pattern 4 has effectively been improved, the effect of injection molding has further been guaranteed.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a mould with locating pin structure, includes lower plate (1) and punch holder (3), and fixed mounting respectively at lower bolster (2) at lower plate (1) top and upper bolster (4) of setting up punch holder (3) bottom, its characterized in that: a plurality of bases (5) are fixedly arranged at the top of the lower clamping plate (1), and positioning pins (6) are connected with the inner threads of the bases (5);

a guide rod (7) is fixedly arranged at the top end of the positioning pin (6), a plurality of notches are formed in the outer surface of the guide rod (7), silica gel rings (8) are sleeved in the notches, and a rubber pad (9) is fixedly arranged between two adjacent silica gel rings (8);

the bottom of the upper clamping plate (3) is fixedly provided with a plurality of sleeves (10), and a plurality of sleeves (10) are matched and sleeved with the locating pins (6).

2. A mold with dowel structure according to claim 1, characterized in that: the bases (5) are positioned on two sides of the lower die plate (2), and the sleeves (10) are uniformly distributed at the bottom of the upper clamping plate (3) in a matrix mode.

3. A mold with dowel structure according to claim 1, characterized in that: the top of cope match-plate pattern (4) is fixed mounting respectively a plurality of guide bars (11) and a plurality of first spring (12), a plurality of first spring (12) are located one side of a plurality of guide bars (11).

4. A mold having a dowel structure as in claim 3, wherein: the top ends of the first springs (12) are fixedly connected with the bottom of the upper clamping plate (3), and the top ends of the guide rods (11) are connected with the upper clamping plate (3) in a sliding fit mode.

5. A mold with dowel structure according to claim 1, characterized in that: two sides of the upper clamping plate (3) are hinged with a plurality of supporting rods (13) through hinge bases, and through holes (14) are formed in one side of the lower part of each supporting rod (13).

6. A mold with dowel structure as in claim 5, wherein: a sliding groove is formed in the opposite surface of the inner wall of the through hole (14), and a clamping block (16) in an L shape is connected in a sliding fit mode in the sliding groove.

7. The mold with dowel structure of claim 6, wherein: the top of the inner wall of the through hole (14) is fixedly connected with a second spring (15).

8. A mold with dowel structure as in claim 7, wherein: the bottom of the second spring (15) is fixedly connected with the top of the clamping block (16).

9. A mold with dowel structure according to claim 1, characterized in that: a plurality of clamping grooves (17) are formed in two sides of the lower clamping plate (1).

10. A mold with dowel structure as in claim 9, wherein: the clamping grooves (17) are matched and clamped with the clamping blocks (16).