CN219114537U

CN219114537U - Vulcanizing and forming die for silica gel products

Info

Publication number: CN219114537U
Application number: CN202223412932.6U
Authority: CN
Inventors: 张淼
Original assignee: Suzhou Dayuan Rubber And Plastic Technology Co ltd
Current assignee: Suzhou Dayuan Rubber And Plastic Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-02
Anticipated expiration: 2032-12-20

Abstract

The utility model belongs to the technical field of molds, and particularly relates to a vulcanization molding mold for a silica gel product, which comprises a base, wherein a portal frame is fixedly connected to the top of the base, a lower mold is fixedly connected to the bottom of the base, a hydraulic cylinder is fixedly connected to the top of the portal frame, a piston rod is fixedly connected to an output shaft of the hydraulic cylinder, an upper mold is fixedly connected to the bottom end of the piston rod, a positioning guide assembly is arranged among the upper mold, the lower mold, the portal frame and the base, and an ejection assembly is arranged between the lower mold and the base. The utility model has reasonable structural design, and can guide and position the upper die through the arrangement of the guide rod, the sliding sleeve, the positioning column and the positioning groove, so that the upper die and the lower die are connected in a positioning way, the phenomenon that the quality of a silica gel product is influenced due to the fact that the upper die is deviated is avoided, and the molded silica gel product can be ejected out of the lower die during demolding, thereby being convenient to take out the molded silica gel product.

Description

Vulcanizing and forming die for silica gel products

Technical Field

The utility model relates to the technical field of molds, in particular to a vulcanization molding mold for a silica gel product.

Background

The mould is a variety of moulds and tools used for injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods to obtain the required products in industrial production, and the compression molding is also called hot press molding, namely, the high-temperature mould is filled with the rubber compound added with (double-five or double-four) silica gel vulcanizing agent, and the rubber compound is subjected to high-temperature vulcanization molding by applying pressure through a flat vulcanizing machine. And (3) searching: a rubber part quick vulcanization molding die with an authorized publication number of CN 213891095U. According to the design, the rubber piece is taken out by the ejector rod without continuous manual operation, so that the time for taking out the ejector rod by a worker to align the rubber piece is reduced, the operation time of the worker is shortened, the speed for taking out the rubber piece is faster, the time consumption is less, and the injection molding efficiency of the rubber piece is improved.

However, the vulcanization molding die has the defects that the demolding mechanism is complex and cannot guarantee that the hydraulic pressures on two sides are the same, so that the two second sealing plugs and the moving rod move upwards at different distances, the transverse plate is inclined easily, the molded product is not easy to push out, the upper die is inconvenient to position, the upper die cannot be accurately connected with the lower die, and the quality of a silica gel product is affected.

Disclosure of Invention

The utility model aims to solve the defects, and provides a silica gel product vulcanization molding die.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a silica gel product vulcanization forming die, includes the base, the top fixedly connected with portal frame of base, the bottom fixedly connected with bed die of base, the top fixedly connected with pneumatic cylinder of portal frame, fixedly connected with piston rod on the output shaft of pneumatic cylinder, the bottom fixedly connected with of piston rod goes up the mould, go up and be provided with location direction subassembly between mould, bed die, portal frame and the base, be provided with ejecting subassembly between bed die and the base.

Preferably, the positioning guide assembly comprises two guide rods fixedly connected between the portal frame and the base, sliding sleeves fixedly connected to two sides of the upper die and four positioning columns fixedly connected to the bottom of the upper die, four positioning grooves are formed in the top of the lower die, the positioning grooves are matched with the positioning columns, and the two sliding sleeves are respectively and slidably sleeved on the outer sides of the corresponding guide rods.

Preferably, the cavity has been seted up in the base, ejecting subassembly is including rotating the threaded rod that sets up on cavity top inner wall and bottom inner wall and rotating the rotary rod that sets up on cavity one side inner wall, the one end fixedly connected with of rotary rod goes up the helical gear, the outside fixed cover of threaded rod is equipped with down the helical gear, go up helical gear and lower helical gear and mesh mutually, the outside thread bush of threaded rod is equipped with the lifter plate, the top fixedly connected with two push rods of lifter plate, the top fixedly connected with ejector plate of two push rods.

Preferably, a sealing sleeve is fixedly sleeved on the outer side of the ejector plate, and the sealing sleeve is arranged in the lower die in a sliding sealing manner.

Preferably, a nut is fixedly connected in the lifting plate, and the nut is sleeved on the outer side of the threaded rod in a threaded mode.

Preferably, one end of the rotating rod extends to the outer side of the base and is fixedly connected with a hand wheel, and one side of the hand wheel is fixedly connected with a handle.

Preferably, two sliding holes are formed between the lower die and the cavity, and two push rods are respectively sleeved in the corresponding sliding holes in a sliding manner.

Preferably, the two sides of the lower die are fixedly connected with heating plates, and the two heating plates are fixedly arranged in the base.

According to the silica gel product vulcanization molding die, the upper die can be guided and positioned through the arrangement of the guide rod, the sliding sleeve, the positioning column and the positioning groove, so that the upper die and the lower die are connected in a positioning way, and the quality of the silica gel product is prevented from being influenced by the deviation of the upper die;

according to the silica gel product vulcanization molding die, through the arrangement of the hand wheel, the rotary rod, the upper bevel gear, the lower bevel gear, the threaded rod, the nut, the lifting plate, the push rod, the ejector plate and the sealing sleeve, the molded silica gel product can be ejected out of the lower die smoothly during demolding, the ejector plate is prevented from tilting, and the molded silica gel product can be taken out conveniently;

the utility model has reasonable structural design, and can guide and position the upper die through the arrangement of the guide rod, the sliding sleeve, the positioning column and the positioning groove, so that the upper die and the lower die are connected in a positioning way, the phenomenon that the quality of a silica gel product is influenced due to the fact that the upper die is deviated is avoided, and the formed silica gel product can be stably ejected out of the lower die during demolding, thereby being convenient for taking out the formed silica gel product.

Drawings

FIG. 1 is a schematic diagram of a vulcanization molding die for a silica gel product according to the present utility model;

FIG. 2 is a cross-sectional view of a vulcanization molding die for a silica gel product according to the present utility model;

fig. 3 is a schematic structural diagram of a portion a of a vulcanization molding die for a silicone product according to the present utility model.

In the figure: 1. a base; 2. a portal frame; 3. a lower die; 4. a hydraulic cylinder; 5. an upper die; 6. positioning columns; 7. a guide rod; 8. a sliding sleeve; 9. a positioning groove; 10. a rotating rod; 11. a hand wheel; 12. a heating plate; 13. a piston rod; 14. a cavity; 15. an upper bevel gear; 16. a lower bevel gear; 17. a lifting plate; 18. a nut; 19. a threaded rod; 20. a push rod; 21. an ejector plate; 22. and (5) sealing the sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, the silica gel product vulcanization molding die comprises a base 1, wherein a portal frame 2 is fixedly connected to the top of the base 1, a lower die 3 is fixedly connected to the bottom of the base 1, a hydraulic cylinder 4 is fixedly connected to the top of the portal frame 2, a piston rod 13 is fixedly connected to an output shaft of the hydraulic cylinder 4, an upper die 5 is fixedly connected to the bottom end of the piston rod 13, a positioning guide assembly is arranged between the upper die 5, the lower die 3, the portal frame 2 and the base 1, and an ejection assembly is arranged between the lower die 3 and the base 1.

According to the utility model, the positioning guide assembly comprises two guide rods 7 fixedly connected between the portal frame 2 and the base 1, sliding sleeves 8 fixedly connected to two sides of the upper die 5 and four positioning columns 6 fixedly connected to the bottom of the upper die 5, four positioning grooves 9 are formed in the top of the lower die 3, the positioning grooves 9 are matched with the positioning columns 6, the two sliding sleeves 8 are respectively and slidably sleeved on the outer sides of the corresponding guide rods 7, the hydraulic cylinders 4 are started to drive the upper die 5 to move downwards, the upper die 5 and the lower die 3 are positioned through the guiding of the sliding sleeves 8 and the guide rods 7, and the positioning columns 6 and the positioning grooves 9, so that the upper die 5 and the lower die 3 are connected in a positioning way, the quality of a silica gel product is prevented from being influenced by the deviation of the upper die 5, and simultaneously hot-press molding can be carried out on hot-melted raw materials through the pressing of the upper die 5 and the heating of the heating plate 12.

According to the utility model, a cavity 14 is formed in a base 1, an ejection assembly comprises a threaded rod 19 rotatably arranged on the inner wall of the top and the inner wall of the bottom of the cavity 14 and a rotary rod 10 rotatably arranged on the inner wall of one side of the cavity 14, one end of the rotary rod 10 is fixedly connected with an upper bevel gear 15, a lower bevel gear 16 is fixedly sleeved on the outer side of the threaded rod 19, the upper bevel gear 15 is meshed with the lower bevel gear 16, a lifting plate 17 is sleeved on the outer side of the threaded rod 19, two push rods 20 are fixedly connected to the top of the lifting plate 17, the top of the two push rods 20 is fixedly connected with an ejection plate 21, after forming is finished, then the rotary rod 10 and the upper bevel gear 15 are rotated, the upper bevel gear 15 drives the lower bevel gear 16 and the threaded rod 19 to rotate, the threaded rod 19 drives a nut 18 and the lifting plate 17 to ascend, the lifting plate 17 drives the two push rods 20 to synchronously ascend, and the two push rods 20 drive the ejection plate 21 to move upwards and stably eject a formed silica gel product out of a lower die 3, and the formed silica gel product is conveniently taken out.

In the utility model, the outside of the ejector plate 21 is fixedly sleeved with the sealing sleeve 22, the sealing sleeve 22 is arranged in the lower die 3 in a sliding sealing manner, and the joint between the ejector plate 21 and the lower die 3 can be sealed through the sealing sleeve 22.

In the utility model, the lifting plate 17 is internally and fixedly connected with the nut 18, and the nut 18 is sleeved on the outer side of the threaded rod 19 in a threaded manner, so that the lifting plate 17 is conveniently sleeved on the outer side of the threaded rod 19 in a threaded manner, and the lifting plate is convenient to drive.

In the utility model, one end of the rotary rod 10 extends to the outer side of the base 1 and is fixedly connected with the hand wheel 11, and one side of the hand wheel 11 is fixedly connected with the handle, so that the rotary rod 10 can be conveniently rotated.

In the utility model, two sliding holes are arranged between the lower die 3 and the cavity 14, and two push rods 20 are respectively sleeved in the corresponding sliding holes in a sliding way, so that the push rods 20 can be guided, and the movement of the push rods is more stable and smooth.

In the utility model, the two sides of the lower die 3 are fixedly connected with the heating plates 12, and the two heating plates 12 are fixedly arranged in the base 1, so that the lower die 3 and the hot-melt raw materials can be heated.

In the utility model, when the hot-melt silica gel molding machine works, hot-melt raw materials are injected into a lower mold 3, the lower mold 3 and the hot-melt silica gel raw materials are heated through a heating plate 12, then a hydraulic cylinder 4 is started, the upper mold 5 is driven to move downwards, the upper mold 5 and the lower mold 3 are connected in a positioning way through the guiding of a sliding sleeve 8 and a guide rod 7 and the positioning of a positioning column 6 and a positioning groove 9, the quality of silica gel products is prevented from being influenced by the deviation of the upper mold 5, meanwhile, the hot-melt raw materials can be subjected to hot-press molding through the pressing of the upper mold 5 and the heating of a heating plate 12, after the molding is finished, the hydraulic cylinder 4 is started in the reverse direction, the upper mold 5 is reset upwards, then a person rotates a rotating rod 10 and an upper bevel gear 15 through a handle 11, the upper bevel gear 15 drives the rotation of a lower bevel gear 16 and a threaded rod 19, the threaded rod 19 drives the lifting of a nut 18 and a lifting plate 17, the lifting plate 17 drives the two push rods 20 to synchronously lift, and the two push rods 20 drive the lifting of the lifting plate 21 to move upwards, the molded silica gel products to be ejected out of the lower mold 3 smoothly, and the molded silica gel products are taken out conveniently.

Claims

1. The utility model provides a silica gel product vulcanization forming die, its characterized in that, including base (1), the top fixedly connected with portal frame (2) of base (1), the bottom fixedly connected with bed die (3) of base (1), the top fixedly connected with pneumatic cylinder (4) of portal frame (2), fixedly connected with piston rod (13) on the output shaft of pneumatic cylinder (4), the bottom fixedly connected with upper die (5) of piston rod (13), be provided with location direction subassembly between upper die (5), bed die (3), portal frame (2) and base (1), be provided with ejecting subassembly between bed die (3) and the base (1).

2. The silica gel product vulcanization molding die according to claim 1, wherein the positioning guide assembly comprises two guide rods (7) fixedly connected between the portal frame (2) and the base (1), sliding sleeves (8) fixedly connected to two sides of the upper die (5) and four positioning columns (6) fixedly connected to the bottom of the upper die (5), four positioning grooves (9) are formed in the top of the lower die (3), the positioning grooves (9) are matched with the positioning columns (6), and the two sliding sleeves (8) are respectively sleeved on the outer sides of the corresponding guide rods (7) in a sliding mode.

3. The silica gel product vulcanization molding die according to claim 1, wherein the cavity (14) is formed in the base (1), the ejection assembly comprises a threaded rod (19) which is rotatably arranged on the inner wall of the top of the cavity (14) and the inner wall of the bottom of the cavity, and a rotary rod (10) which is rotatably arranged on the inner wall of one side of the cavity (14), one end of the rotary rod (10) is fixedly connected with an upper bevel gear (15), a lower bevel gear (16) is fixedly sleeved on the outer side of the threaded rod (19), the upper bevel gear (15) is meshed with the lower bevel gear (16), a lifting plate (17) is sleeved on the outer side thread of the threaded rod (19), two push rods (20) are fixedly connected to the top of the lifting plate (17), and ejection plates (21) are fixedly connected to the top ends of the two push rods (20).

4. A mould for moulding a cured silica gel product according to claim 3, wherein the outer side of the ejector plate (21) is fixedly sleeved with a sealing sleeve (22), and the sealing sleeve (22) is arranged in the lower mould (3) in a sliding sealing manner.

5. A vulcanization molding die for a silica gel product according to claim 3, wherein a nut (18) is fixedly connected in the lifting plate (17), and the nut (18) is sleeved on the outer side of the threaded rod (19) in a threaded manner.

6. A silica gel product vulcanization molding die according to claim 3, wherein one end of the rotating rod (10) extends to the outer side of the base (1) and is fixedly connected with a hand wheel (11), and one side of the hand wheel (11) is fixedly connected with a handle.

7. A vulcanization molding die for a silica gel product according to claim 3, wherein two sliding holes are formed between the lower die (3) and the cavity (14), and two push rods (20) are respectively sleeved in the corresponding sliding holes in a sliding manner.

8. The silica gel product vulcanization molding die according to claim 1, wherein the two sides of the lower die (3) are fixedly connected with heating plates (12), and the two heating plates (12) are fixedly arranged in the base (1).