CN113199709A

CN113199709A - Automatic ejection device of silicone rubber product oil press

Info

Publication number: CN113199709A
Application number: CN202110469327.3A
Authority: CN
Inventors: 杨小林
Original assignee: Shenzhen Deyiyangyang Rubber & Plastic Technology Co ltd
Current assignee: Shenzhen Deyiyangyang Rubber & Plastic Technology Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-08-03

Abstract

The invention discloses an automatic ejection device of a silicone rubber product oil press, which comprises an oil press main body, wherein the oil press main body comprises a base, four corners at the top of the base are connected with stand columns, partition plates are arranged among the four stand columns, the partition plates are provided with a female die heating seat, a female die is provided with a female die, the female die is provided with an auxiliary top plate, the center of the bottom of the female die is provided with a main push plate, the main push plate is connected with a main ejector rod, the main ejector rod is connected with a push plate, the female die heating seat is provided with a return groove at the bottom of the auxiliary top plate, a return spring is arranged in the return groove, the partition plates are connected with a guide plate, the guide plate is provided with a guide groove, the guide groove is in sliding connection with a guide block, the guide block is fixedly arranged on the push plate, the base is provided with a protective sleeve, a servo motor is arranged in the protective sleeve, the power output end of the servo motor is connected with a small gear, one side of the large gear is connected with a bearing, the bearing is connected with a bearing seat, the other side of the big gear is connected with an insert block, and the insert block is connected with an eccentric wheel.

Description

Automatic ejection device of silicone rubber product oil press

Technical Field

The invention belongs to the technical field of ejection of silicone rubber products, and particularly relates to an automatic ejection device of a silicone rubber product oil press.

Background

The silicone rubber product is prepared by using methyl vinyl silicone rubber as base rubber, adding various fillers (reinforcing agent, heat-resistant agent, modifier and the like) and carrying out production processes of mixing, thin passing, filtering, vulcanizing, mould pressing, extruding, bonding and the like. The silicon rubber products are the activities of producing various silicon rubber products by taking silica gel and rubber as main raw materials, the silicon rubber products are closely related to the life of people, remote controllers, keyboards, pos machines, scanners, mobile phones, electronic dictionaries, mobile phone covers and the like are related to the silicon rubber products, at present, some silicon rubbers are produced in a mould, the mould is required to be processed in a high-temperature environment in the production process, then the mould is required to be lifted out by manpower after the mould is processed, and then products processed and formed in the mould are manually taken out one by one.

Disclosure of Invention

In view of the problems raised by the above background art, the present invention is directed to: aims to provide an automatic ejection device of a silicone rubber product oil press.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

an automatic ejection device of a silicone rubber product oil press comprises an oil press body, wherein the oil press body comprises a base, four corners of the top of the base are connected with stand columns, the top of each stand column is connected with a cover plate, the top of each cover plate is provided with a hydraulic oil cylinder, the power output end of each hydraulic oil cylinder is connected with a male die, a partition plate is arranged among the four stand columns, the top of each partition plate is provided with a female die heating seat, a female die is arranged in each female die heating seat, each female die is provided with an injection molding groove, two sides of the bottom of each female die are provided with auxiliary top plates, the center of the bottom of each female die is provided with a main push plate, the bottom of each main push plate is connected with a main ejector rod, the bottom of each main ejector rod sequentially penetrates through each female die heating seat and each partition plate and extends to the lower side of each partition plate, the bottom of each main ejector rod is connected with a push plate, each push plate is connected with an extrusion spring, and the free end of each extrusion spring is arranged in each female die heating seat, the two sides of the push plate are connected with auxiliary ejector rods, the top of each auxiliary ejector rod penetrates through a partition plate, is connected with a female die heating seat and an auxiliary top plate, the female die heating seat is provided with a return groove at the bottom of the auxiliary top plate, a return spring is arranged in the return groove, the free end of the return spring is connected with the auxiliary top plate, the two sides of the bottom of the partition plate are connected with guide plates, each guide plate is provided with a guide groove, each guide groove is connected with a guide block in a sliding manner, each guide block is fixedly arranged on the push plate, the base is provided with a protective sleeve, a servo motor is arranged in each protective sleeve, the power output end of each servo motor is connected with a pinion, the pinions are in meshing connection with large gears, one sides of the large gears are connected with bearings, the bearings are connected with bearing seats, the bearing seats are arranged on the protective sleeves, and the other sides of the large gears are connected with insert blocks, the insert block is connected with an eccentric wheel, a groove is formed in the position, on the eccentric wheel, of the base, and the eccentric wheel is installed in the groove.

Further limiting, standing legs are connected to two sides of the bottom of the base. Such structural design is convenient for stable support.

Further limit, the bottom of the groove is provided with a slag leaking hole. Such structural design makes the residue in the recess can fall out from leaking the sediment hole, prevents to cause the recess to block up, influences the use of eccentric wheel.

Further inject, the inserted block is the setting of square structure, the eccentric wheel is equipped with the square jack with inserted block assorted, the inserted block is installed in square jack. The structural design is convenient for driving the eccentric wheel to rotate.

Further inject, the base both sides are connected with the supporting seat, the supporting seat top is connected with the foam-rubber cushion, the push pedal is placed on the supporting seat. The structural design plays a role in supporting the push plate after resetting.

Further limiting, a triangular reinforcing seat is arranged at the joint of the partition plate and the guide plate. The structural design makes the connection more stable.

Further, the injection groove is sprayed with a release agent. The structure design is convenient for demoulding the silicon rubber product, and the phenomenon of sticking the mould is prevented.

Further inject, the baffle is equipped with the through-hole, install the stopper in the through-hole and beat the screw, the stopper is beaten the screw and is connected with die heating seat locking. The structural design makes the connection more convenient to fix.

Further defined, the partition is fixedly mounted on the upright post by laser welding. Such a structural design makes the connection more secure.

The invention has the following advantages:

1. according to the invention, the auxiliary top plate and the main push plate are arranged, the eccentric wheel is driven to rotate by controlling the servo motor, the eccentric wheel is enabled to rotate and push the push plate upwards, the main ejector rod and the auxiliary ejector rod are pushed to rise by the push plate, the guide blocks are driven to move by two sides of the push plate, and the guide blocks can slide in the guide grooves, so that the main ejector rod and the auxiliary ejector rod can be pushed by the push plate to stably rise, the main ejector rod pushes the main push plate, the auxiliary ejector rod pushes the auxiliary top plate to rise to push a formed product out of the injection molding groove, and therefore, automation is realized, a silicon rubber product can be automatically ejected out of the female die, and through automatic ejection, the safety of workers during operation is greatly improved, the working efficiency can be greatly improved, and the labor force of the workers is reduced;

2. according to the invention, the extrusion spring and the reset spring are arranged, when the extrusion spring is pushed out, the extrusion spring is compressed by the thrust from the push plate, when the auxiliary ejector rod pushes the auxiliary ejector plate to ascend, the auxiliary ejector plate drives the reset spring to be in a stretching state, after a molded product is pushed out of the injection groove, the thrust from the eccentric wheel is lost at the bottom of the push plate, so that the reset spring is reset and drives the auxiliary ejector plate to reset, the auxiliary ejector plate pushes the auxiliary ejector rod, the auxiliary ejector rod pushes the push plate and simultaneously pushes the spring to rebound, the rebounding force is also applied to the push plate, the push plate retreats and pulls the auxiliary ejector rod and the main ejector rod, and the auxiliary ejector rod and the main ejector rod drive the auxiliary ejector plate and the main push plate to reset, so that the reset effect is fast, the reset effect is good, the reset time is saved, and the working efficiency is further improved.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural diagram of an automatic ejection device of a silicone rubber product oil press according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a servo motor of an automatic ejection device of a silicone rubber product oil press according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an automatic ejection device of a silicone rubber product oil press according to an embodiment of the present invention;

fig. 4 is an enlarged schematic structural view of a part a of an automatic ejection device of a silicone rubber product oil press according to an embodiment of the present invention;

the main element symbols are as follows:

the hydraulic press comprises a hydraulic press body 1, a base 2, a stand column 3, a cover plate 4, a hydraulic oil cylinder 5, a male die 6, a partition plate 7, a female die heating seat 8, a female die 9, an injection molding groove 10, an auxiliary top plate 11, a main push plate 12, a main ejector rod 13, a push plate 14, an extrusion spring 15, an auxiliary ejector rod 16, a return groove 17, a return spring 18, a guide plate 19, a guide groove 20, a guide block 21, a protective sleeve 22, a servo motor 23, a pinion 24, a bull gear 25, a bearing 26, a bearing seat 27, an insert block 28, an eccentric wheel 29, a groove 30, a slag leakage hole 31, a support seat 32 and a plug screw 33.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the automatic ejection device of the silicone rubber product oil press comprises a base 2, four corners of the top of the base 2 are connected with upright posts 3, the top of each upright post 3 is connected with a cover plate 4, the top of each cover plate 4 is provided with a hydraulic oil cylinder 5, the power output end of each hydraulic oil cylinder 5 is connected with a male die 6, a partition plate 7 is arranged between every two upright posts 3, the top of each partition plate 7 is provided with a female die heating seat 8, a female die 9 is arranged in each female die heating seat 8, each female die 9 is provided with an injection molding groove 10, two sides of the bottom of each female die 9 are provided with auxiliary top plates 11, the center of the bottom of each female die 9 is provided with a main push plate 12, the bottom of each main push plate 12 is connected with a main ejector rod 13, the bottom of each main ejector rod 13 sequentially penetrates through each female die heating seat 8 and each partition plate 7 and extends to the lower side of each partition plate 7, the bottom of each main ejector rod 13 is connected with a push plate 14, each push plate 14 is connected with an extrusion spring 15, the free end of an extrusion spring 15 is arranged in a female die heating seat 8, two sides of a push plate 14 are connected with auxiliary ejector rods 16, the top of each auxiliary ejector rod 16 penetrates through a partition plate 7 and is connected with the corresponding female die heating seat 8 and an auxiliary top plate 11, the bottom of the auxiliary top plate 11 of each female die heating seat 8 is provided with a return groove 17, a return spring 18 is arranged in each return groove 17, the free end of each return spring 18 is connected with the corresponding auxiliary top plate 11, two sides of the bottom of each partition plate 7 are connected with guide plates 19, each guide plate 19 is provided with a guide groove 20, each guide groove 20 is connected with a guide block 21 in a sliding manner, each guide block 21 is fixedly arranged on the push plate 14, a protective sleeve 22 is arranged on a base 2, a servo motor 23 is arranged in each protective sleeve 22, the power output end of each servo motor 23 is connected with a small gear 24, the small gear 24 is connected with a large gear 25 in a meshing manner, one side of the large gear 25 is connected with a bearing 26, and the bearing 26 is connected with a bearing seat 27, the bearing block 27 is installed on the protective sleeve 22, the other side of the large gear 25 is connected with an insert block 28, the insert block 28 is connected with an eccentric wheel 29, the base 2 is provided with a groove 30 at the position of the eccentric wheel 29, and the eccentric wheel 29 is installed in the groove 30.

When in use, the processing raw material of the silicon rubber product is laid in the injection molding groove 10 in the female die 9, then the hydraulic oil cylinder 5 is controlled to push the male die 6 to press downwards, the male die 6 extrudes the processing raw material, the female die heating seat 8 is controlled to transmit the heat of the female die heating seat 8 to the processing raw material of the silicon rubber product in the injection molding groove 10 through the female die 9 and provide the heat required in the processing process for the silicon rubber product, after the product is molded, the hydraulic oil cylinder 5 drives the male die 6 to return, then the servo motor 23 drives the pinion 24 to rotate by controlling the servo motor 23, the pinion 24 drives the large gear 25, one side of the large gear 25 drives the bearing 26 to rotate on the bearing seat 27, the other side of the large gear 25 drives the insert 28, the insert 28 drives the eccentric 29 to rotate, the eccentric 29 rotates and upwards pushes the push plate 14, and the push plate 14 pushes the main ejector rod 13 and the auxiliary ejector rod 16 to rise, the two sides of the push plate 14 drive the guide blocks 21 to move, so that the guide blocks 21 can slide in the guide grooves 20, thereby the push plate 14 drives the main ejector rods 13 and the auxiliary ejector rods 16 to stably rise, the main ejector rods 13 drive the main push plate 12, the auxiliary ejector rods 16 drive the auxiliary ejector plates 11 to rise to push the molded product out of the injection molding groove 10, when the main ejector rods 13 are pushed, the extrusion springs 15 are compressed by the thrust from the push plate 14, when the auxiliary ejector rods 16 push the auxiliary ejector plates 11 to rise, the auxiliary ejector plates 11 drive the return springs 18 to be in a stretching state, after the molded product is pushed out of the injection molding groove 10, the bottom of the push plate 14 loses the thrust from the eccentric wheels 29, so that the return springs 18 are reset and drive the auxiliary ejector plates 11 to return, the auxiliary ejector plates 11 push the auxiliary ejector rods 16, the auxiliary ejector rods 16 push the push plate 14, and the extrusion springs 15 rebound at the same time, the rebounding force also acts on the push plate 14, so that the push plate 14 retreats and pulls the auxiliary ejector rod 16 and the main ejector rod 13, and the auxiliary ejector rod 16 and the main ejector rod 13 drive the auxiliary ejector plate 11 and the main ejector plate 12 to reset.

Preferably, standing legs are connected to two sides of the bottom of the base 2. Such structural design is convenient for stable support. In fact, other configurations of the base 2 may be used, as the case may be.

Preferably, the bottom of the groove 30 is provided with a slag leakage hole 31. Due to the structural design, residues in the groove 30 can fall out of the slag leakage hole 31, and the groove 30 is prevented from being blocked, so that the use of the eccentric wheel 29 is prevented from being influenced. In fact, other configurations of the recess 30 are also contemplated as the case may be.

Preferably, the insert 28 is provided in a square configuration, and the eccentric 29 is provided with a square socket that mates with the insert 28, the insert 28 being mounted in the square socket. The structure design is convenient for driving the eccentric wheel 29 to rotate. In fact, other configurations of the insert 28 are contemplated as appropriate.

Preferably, the two sides of the base 2 are connected with a supporting seat 32, the top of the supporting seat 32 is connected with a spongy cushion, and the push plate 14 is placed on the supporting seat 32. Such a structural design serves as a support for the push plate 14 after it has been repositioned. In fact, other configurations of the support base 32 are contemplated as the case may be.

Preferably, a triangular reinforcing seat is arranged at the joint of the partition plate 7 and the guide plate 19. The structural design makes the connection more stable. In fact, other connecting structure shapes of the partition plate 7 and the guide plate 19 can be considered according to specific situations.

Preferably, the injection groove 10 is sprayed with a release agent. The structure design is convenient for demoulding the silicon rubber product, and the phenomenon of sticking the mould is prevented. In fact, other configurations of the injection molded channel 10 are contemplated as appropriate.

Preferably, the partition plate 7 is provided with a through hole, a filling screw 33 is installed in the through hole, and the filling screw 33 is in locking connection with the female die heating seat 8. The structural design makes the connection more convenient to fix. In fact, other connecting structure shapes of the partition plate 7 and the die heating seat 8 can be considered according to specific situations.

Preferably, the spacer 7 is fixedly mounted on the upright 3 by laser welding. Such a structural design makes the connection more secure. In fact, other fixed structural shapes of the partition 7 can be considered as the case may be.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a silicon rubber products hydraulic press automatic ejection device, includes hydraulic press main part (1), its characterized in that: the oil press main body (1) comprises a base (2), four corners at the top of the base (2) are connected with stand columns (3), the top of each stand column (3) is connected with a cover plate (4), a hydraulic oil cylinder (5) is installed at the top of each cover plate (4), a power output end of each hydraulic oil cylinder (5) is connected with a male die (6), four partition plates (7) are installed among the stand columns (3), a female die heating seat (8) is installed at the top of each partition plate (7), a female die (9) is installed in each female die heating seat (8), each female die (9) is provided with an injection molding groove (10), auxiliary top plates (11) are installed on two sides of the bottom of each female die (9), a main push plate (12) is installed at the center of the bottom of each female die (9), a main push rod (13) is connected to the bottom of each main push plate (12), and the bottoms of the main push rods (13) sequentially penetrate through the female die heating seats (8) and the partition plates (7) and extend to the lower sides of the partition plates (7), the bottom of the main ejector rod (13) is connected with a push plate (14), the push plate (14) is connected with an extrusion spring (15), the free end of the extrusion spring (15) is installed in the die heating seat (8), the two sides of the push plate (14) are connected with auxiliary ejector rods (16), the top of each auxiliary ejector rod (16) penetrates through the partition plate (7) and the die heating seat (8) and is connected with the auxiliary top plate (11), the die heating seat (8) is provided with a return groove (17) at the bottom of the auxiliary top plate (11), a return spring (18) is installed in the return groove (17), the free end of the return spring (18) is connected with the auxiliary top plate (11), the two sides of the bottom of the partition plate (7) are connected with guide plates (19), the guide plates (19) are provided with guide grooves (20), and the guide grooves (20) are slidably connected with guide blocks (21), guide block (21) fixed mounting is on push pedal (14), protective sheath (22) are installed in base (2), install servo motor (23) in protective sheath (22), the power take off end of servo motor (23) is connected with pinion (24), pinion (24) meshing is connected with gear wheel (25), one side of gear wheel (25) is connected with bearing (26), bearing (26) are connected with bearing frame (27), install on protective sheath (22) bearing frame (27), the opposite side of gear wheel (25) is connected with inserted block (28), inserted block (28) are connected with eccentric wheel (29), base (2) are located to be equipped with recess (30) in eccentric wheel (29), eccentric wheel (29) are installed in recess (30).

2. The automatic ejection device of the silicone rubber product oil press as claimed in claim 1, wherein: two sides of the bottom of the base (2) are connected with standing legs.

3. The automatic ejection device of the silicone rubber product oil press as claimed in claim 2, wherein: and a slag leakage hole (31) is formed at the bottom of the groove (30).

4. The automatic ejection device of the silicone rubber product oil press as claimed in claim 3, wherein: the insert block (28) is arranged in a square structure, the eccentric wheel (29) is provided with a square jack matched with the insert block (28), and the insert block (28) is installed in the square jack.

5. The automatic ejection device of the silicone rubber product oil press as claimed in claim 4, wherein: the base (2) both sides are connected with supporting seat (32), supporting seat (32) top is connected with the foam-rubber cushion, push pedal (14) are placed on supporting seat (32).

6. The automatic ejection device of the silicone rubber product oil press as claimed in claim 5, wherein: and a triangular reinforcing seat is arranged at the joint of the partition plate (7) and the guide plate (19).

7. The automatic ejection device of the silicone rubber product oil press as claimed in claim 6, wherein: and a release agent is sprayed in the injection molding groove (10).

8. The automatic ejection device of the silicone rubber product oil press as claimed in claim 7, wherein: the baffle (7) are provided with through holes, screws (33) are arranged in the through holes, and the screws (33) are locked and connected with the female die heating seat (8).

9. The automatic ejection device of the silicone rubber product oil press as claimed in claim 8, wherein: the partition plate (7) is fixedly installed on the upright post (3) through laser welding.