CN213166661U

CN213166661U - Spring demoulding mechanism for front mould elastic block of mould

Info

Publication number: CN213166661U
Application number: CN202021180529.3U
Authority: CN
Inventors: 李翔; 朱明明
Original assignee: Shanghai Yichang Auto Parts Co ltd
Current assignee: Shanghai Yichang Auto Parts Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-05-11
Anticipated expiration: 2030-06-23

Abstract

A spring demoulding mechanism for a front mould elastic block of a mould comprises a front mould elastic block, a first guide rod, a second guide rod, a copper guide sleeve, a spring, a first pressing block, a second pressing block, a first guide block, a second guide block, a first pulling block, a second pulling block and a wear-resistant block; the lower end of the first guide rod is fixed in a guide rod mounting hole on the top surface of the front die elastic block, the upper end of the first guide rod is inserted with a second guide rod, a copper guide sleeve is sleeved on the first guide rod, a spring and a first pressing block are sleeved on the second guide rod, and a second pressing block is arranged on the top surface of the copper guide sleeve; the back of front mould bullet piece is fixed with first guide block, and the side is equipped with the second guide block, is fixed with first drawing piece and wear-resisting piece on the bottom surface, and the below is equipped with the second and draws the piece. The spring is sleeved on the guide rod, so that the structural space is reduced, and the disassembly, assembly and maintenance are convenient; the copper-based guide sleeve avoids the phenomenon of mold blocking in the production process. The utility model discloses the structure is reliable, safe, has prolonged the mould life-span, and is convenient for install, dismantle and maintain.

Description

Spring demoulding mechanism for front mould elastic block of mould

Technical Field

The utility model belongs to the technical field of injection mold, concretely relates to mould front mould bullet piece spring demoulding mechanism.

Background

The front mould elastic block ejection mechanism is a common ejection device of many injection moulds. The conventional front module elastic block ejection mechanism plays a role of an ejection system, but due to product modeling and mold structure space, a spring with proper force cannot be installed. Meanwhile, the smooth installation of the elastic blocks cannot be guaranteed, and the normal molding requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model is directed to the above problem, a mould front mould bullet piece spring demoulding mechanism is provided.

The purpose of the utility model can be realized by the following technical scheme: a spring demoulding mechanism for a front mould elastic block of a mould comprises a front mould elastic block, a first guide rod, a second guide rod, a copper guide sleeve, a spring, a first pressing block, a second pressing block, a first guide block, a second guide block, a first pulling block, a second pulling block and a wear-resistant block;

the top surface of the front die elastic block is provided with a guide rod mounting hole, the lower end of the first guide rod is fixed in the guide rod mounting hole, two sides of the bottom in the guide rod mounting hole and two sides of the lower end of the first guide rod are respectively provided with a boss and a groove which are matched with each other to limit the rotation of the first guide rod, the upper end of the first guide rod is coaxially inserted with a second guide rod, the first guide rod is sleeved with a copper guide sleeve, the second guide rod is sleeved with a spring and a first pressing block which are sequentially arranged from bottom to top, two ends of the spring respectively abut against the copper guide sleeve and the first pressing block, and the top surface of the copper guide sleeve is provided with a second pressing block for pressing the copper guide sleeve;

a first guide block is fixed on the back of the front die elastic block, a second guide block matched with the front die elastic block in a guiding manner is arranged on the side face of the front die elastic block, a first pull block and a wear-resistant block are fixed on the bottom face of the front die elastic block, and a second pull block matched with the first pull block is arranged below the front die elastic block;

the first pressing block, the second guide block and the second pulling block are all fixed on the die.

Further, the lower extreme of first guide bar is connected with the front mould bullet piece through first screw, is equipped with respectively on the bottom surface of front mould bullet piece and the lower terminal surface of first guide bar with first screw matched with first screw hole and first screw hole.

Furthermore, a guide block mounting groove is formed in the back face of the front module elastic block, and the first guide block is fixed in the guide block mounting groove and protrudes out of the back face of the front module elastic block.

Furthermore, the first guide block is connected with the front module elastic block through a second screw, and a second screw hole and a second threaded hole which are matched with the second screw are respectively formed in the bottom surfaces of the first guide block and the guide block mounting groove.

Furthermore, the upper end surface of the first guide rod and the lower end of the second guide rod are respectively provided with a connecting hole and a shaft shoulder which are matched with each other.

Compared with the prior art, the beneficial effects of the utility model are that: the spring is sleeved on the guide rod, so that the structural space is effectively reduced; the spring is limited by the first pressing block and the copper guide sleeve, so that the disassembly, the assembly and the maintenance are convenient, the processing time and the processing cost of the die are saved, and the processing accuracy is improved; the copper-based guide sleeve enables the guide rod to move more smoothly, and the phenomenon of mold blocking in the production process is avoided. The utility model discloses the structure is reliable, safe, has prolonged the mould life-span, and is convenient for install, dismantle and maintain.

Drawings

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

Fig. 2 is a schematic view of the exploded structure of the present invention.

Fig. 3 is a schematic structural diagram of the present invention when the mold is closed.

Fig. 4 is the schematic structural diagram of the present invention when the mold is opened.

The parts in the figures are numbered as follows:

1 front mould elastic block

101 guide rod mounting hole

102 guide block mounting groove

2 first guide bar

201 groove

3 second guide bar

4 copper guide sleeve

5 spring

6 first briquetting

7 second briquetting

8 first guide block

9 second guide block

10 first pull block

11 second pull block

12 wear-resisting block

13 first screw

14 second screw.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.

Referring to fig. 1 to 3, a spring demoulding mechanism for a front mould elastic block of a mould comprises a front mould elastic block 1, a first guide rod 2, a second guide rod 3, a copper guide sleeve 4, a spring 5, a first pressing block 6, a second pressing block 7, a first guide block 8, a second guide block 9, a first pulling block 10, a second pulling block 11 and a wear-resistant block 12.

The top surface of the front module elastic block 1 is provided with a guide rod mounting hole 101 which is vertically inclined, the lower end of the first guide rod 2 is arranged in the guide rod mounting hole 101 and is connected with the front module elastic block 1 through a first screw 13, the bottom surface of the front module elastic block 1 and the lower end surface of the first guide rod 2 are respectively provided with a first screw 13 hole and a first threaded hole which are matched with the first screw 13, both sides of the bottom in the guide rod mounting hole 101 and both sides of the lower end of the first guide rod 2 are respectively provided with a boss and a groove 201 which are matched with each other, and the rotation of the first guide rod 2 is limited through the cooperation of the boss and the groove 201.

The upper end of the first guide rod 2 is coaxially inserted with a second guide rod 3, and the upper end surface of the first guide rod 2 and the lower end of the second guide rod 3 are respectively provided with a connecting hole and a shaft shoulder which are matched with each other. The cover is equipped with copper uide bushing 4 on the first guide bar 2, and the cover is equipped with spring 5, the first briquetting 6 that sets gradually from supreme down on the second guide bar 3, the top surface of copper uide bushing 4 is equipped with second briquetting 7 to be fixed in on the mould through second briquetting 7, first briquetting 6 is fixed in on the mould, the both ends of spring 5 support respectively on copper uide bushing 4 and first briquetting 6.

Offer the guide block mounting groove 102 that vertical slope set up on the back of front mould bullet piece 1, first guide block 8 is installed in guide block mounting groove 102 and the protrusion sets up in the back of front mould bullet piece 1, and first guide block 8 ann is connected with front mould bullet piece 1 through second screw 14, is equipped with respectively on the bottom surface of first guide block 8 and guide block mounting groove 102 with 14 matched with second screw 14 holes in the screw hole of second screw and second screw hole. The side of the front module spring block 1 is matched with a second guide block 9 fixed on the mould.

A first pulling block 10 and a wear-resistant block 12 are fixed on the bottom surface of the front die elastic block 1, a second pulling block 11 matched with the first pulling block 10 is arranged below the front die elastic block 1, and the second pulling block 11 is fixed on a die.

Referring to fig. 3, when the mold is closed, the first pull block 10 at the bottom of the front mold elastic block 1 is pulled by the second pull block 11 on the mold, and the spring 5 is in a compressed state. Referring to fig. 4, when the mold is opened, the front mold elastic block 1 is moved along the stress direction by the elasticity of the spring 5, the front mold elastic block 1 is in guiding fit with the mold through the first guide block 8 and the second guide block 9, the first guide rod 2 is in guiding fit with the copper guide sleeve 4 fixed on the mold, and the first pulling block 10 and the second pulling block 11 are separated. When the front mould elastic block 1 touches a stop block on the mould, the movement is stopped. And then, the front module elastic block 1 is subjected to four-side pipe positions to retreat along the moving direction, and the product forming structure position on the front module elastic block 1 is guided out to move to be separated from the product, so that the die opening is completed.

It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.

Claims

1. A spring demoulding mechanism for a front mould elastic block of a mould is characterized by comprising a front mould elastic block, a first guide rod, a second guide rod, a copper guide sleeve, a spring, a first pressing block, a second pressing block, a first guide block, a second guide block, a first pulling block, a second pulling block and a wear-resistant block;

2. The spring stripper mechanism of claim 1, wherein the lower end of the first guide bar is connected to the front spring block by a first screw, and the bottom surface of the front spring block and the lower end surface of the first guide bar are respectively provided with a first screw hole and a first threaded hole for engaging with the first screw.

3. The mold front mold spring stripper mechanism of claim 1, wherein the front mold spring block has a guide block mounting groove formed on a back surface thereof, and the first guide block is fixed in the guide block mounting groove and protrudes from the back surface of the front mold spring block.

4. The spring stripper mechanism of claim 3, wherein the first guide block is connected to the front mold spring block by a second screw, and the bottom surfaces of the first guide block and the guide block mounting groove are respectively provided with a second screw hole and a second threaded hole for engaging with the second screw.

5. The front mold spring stripper mechanism of claim 1 wherein the upper end surface of the first guide bar and the lower end of the second guide bar are provided with a mating attachment hole and shoulder, respectively.