CN216683126U

CN216683126U - Non-inflatable hollow tire demolding mold

Info

Publication number: CN216683126U
Application number: CN202123304067.9U
Authority: CN
Inventors: 朱怡伟
Original assignee: Guangzhou Magic Technology Co ltd
Current assignee: Guangzhou Magic Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-07
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to the technical field of inflation-free hollow tire molds, in particular to an inflation-free hollow tire demolding mold which comprises a mold box, a mold cover, a clamping seat, a temperature control box and a water tank. An inner die cavity is arranged in the die box, an annular groove is arranged on the die box, and a spiral pipe is arranged in the annular groove. The mould lid rotates to be set up on the mould case, sets up the lug on the mould lid. The clamping seat is arranged on the die box, and the elastic clamping block is arranged on the clamping seat. The temperature control box is arranged in the mold box, a water pump is arranged in the temperature control box, the input end of the water pump is communicated with one end of the spiral pipe, and the output end of the water pump is communicated with the interior of the temperature control box. The heating wire is arranged in the water tank and is positioned below the liquid level, the refrigerating sheet is arranged in the water tank and is positioned below the liquid level in the water tank. The bottom of the water tank is provided with radiating fins, and the heat collection ends of the radiating fins are connected with the radiating ends of the refrigerating fins. The utility model can properly adjust the temperature in the inner cavity, and the closing and opening operations of the die are convenient.

Description

Non-inflatable hollow tire demolding mold

Technical Field

The utility model relates to the technical field of inflation-free hollow tire molds, in particular to an inflation-free hollow tire forming mold.

Background

The non-pneumatic tire is a tire that achieves shock absorption and cushioning performance without using air pressure. The pneumatic tire is formed by sealing air with pressure by using rubber, and when the air is compressed, air molecules collide with a container wall more violently to cause the increase of air pressure, so that macroscopic elasticity is formed. The use of a mold is often required during the production of a non-pneumatic tire.

Chinese patent with publication number CN213798210U discloses a combined non-inflatable explosion-proof tire mold, which comprises an upper mold, wherein the side of the upper mold is fixedly connected with an upper fixing block and an upper mounting block, and the lower end of the middle lower mold is provided with a lower mold. This combination formula explosion-proof tire mould exempts from to aerify, the die sinking in-process goes up the mould and the vulcanizer hot plate passes through bolt or clamp plate and is connected, the lower mould passes through bolt or clamp plate with the vulcanizer hot plate down and is connected, the vulcanizer goes up the hot plate and up moves, go up the mould, well last mould, well lower mould separates with the lower mould, after the certain distance of operation, go up the sliding fixed orifices, go up the sliding fixed column, down the sliding fixed orifices and down the sliding fixed column play a role, it is together fixed with last mould to make well last mould, well lower mould is together fixed with the lower mould, the tire breaks away from in well last mould and well lower mould this moment, and then realize the vulcanization die sinking of mould, and then the ejection of compact of the tire of being convenient for.

However, when the device injects molten rubber, a large amount of bubbles are generated when the high-temperature rubber contacts with the low-temperature mold cavity wall, the bubbles cannot be eliminated by a later-stage treatment means, the quality of the product is greatly reduced by the excessive bubbles, the temperature of the finished rubber tire in the device is slowly reduced, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a non-inflatable hollow tire forming die aiming at the problems in the background technology.

The technical scheme of the utility model is as follows: an inflation-free hollow tire demolding mold comprises a mold box, a mold cover, a clamping seat, a temperature control box and a water tank. The mould box sets up interior die cavity in, sets up the ring channel around interior die cavity outer wall on the mould box, sets up the spiral pipe in the ring channel, sets up the pivot on the mould box. The mould lid sets up on the mould case and rotates with the pivot to be connected, sets up inlet pipe and exhaust hole on the mould lid, sets up the lug on the mould lid. The clamping seat is arranged on the die box, the elastic clamping block is arranged on the clamping seat, the inserting rod is arranged on the clamping seat in a sliding mode, and the inserting rod is connected with the top end of the elastic clamping block. The temperature control box is arranged in the die box, a water pump is arranged in the temperature control box, the input end of the water pump is communicated with one end of the spiral pipe, and the output end of the water pump is provided with a water outlet pipe. The water tank is arranged in the temperature control box, the other end of the water outlet pipe is inserted into the water tank, and the other end of the spiral pipe is also inserted into the water tank and is positioned below the liquid level. The heating wire is arranged in the water tank and is positioned below the liquid level, the refrigerating sheet is arranged in the water tank and is positioned below the liquid level in the water tank. The bottom of the water tank is provided with radiating fins, and the heat collection ends of the radiating fins are connected with the radiating ends of the refrigerating fins.

Preferably, the device further comprises a mounting screw. An annular cover plate is arranged on the annular groove, a mounting hole is formed in the annular cover plate, a threaded hole is formed in the side face of the annular groove, and a mounting screw penetrates through the mounting hole and is inserted into the threaded hole in a spiral mode.

Preferably, the lower surface of the die cover is provided with a sealing magnet, the edge of the opening of the inner die cavity is provided with a sealing magnet, the sealing magnet is matched with the sealing magnet in a sealing way, and the die cover is also provided with a handle.

Preferably, the temperature control box is provided with a hinge, the box cover is arranged on the hinge and is rotatably connected with the temperature control box, the box cover is provided with a handle, and the handle is provided with a handle sleeve.

Preferably, a controller is also included. A temperature sensor is arranged in the arc-shaped wall of the inner die cavity and is in communication connection with a controller, and the controller is in control connection with a water pump, an electric heating wire and a refrigerating sheet.

Preferably, set up feed port and discharge opening on the water tank, in the delivery pipe inserted the water tank along the feed port, the input of spiral pipe inserted in the water tank along the discharge opening.

Preferably, a low level alarm is also included. A liquid level sensor is arranged in the water tank and is in communication connection with a controller, and the controller is in control connection with a low liquid level alarm. The water tank is also provided with a feed pipe, and the feed pipe is provided with a pipe cover.

Preferably, the bottom of the mold box is provided with supporting legs, and the bottoms of the radiating fins are positioned above the bottom surfaces of the supporting legs.

Compared with the prior art, the utility model has the following beneficial technical effects:

the annular groove is arranged, the spiral pipe which is contacted with the outer wall of the inner mold cavity is arranged in the annular groove, and the media with different temperatures are introduced into the spiral pipe, so that the temperature environment in the inner mold cavity can be adjusted, the raw material can not be heated immediately and bubbles can not appear when entering the inner mold cavity, and when the media with gradually reduced temperature are introduced into the spiral pipe, the cooling of the raw material can be accelerated, and the tire forming speed is accelerated; the rotary die cover is convenient to open and close, and a fast locking structure is formed by the clamping seat, the elastic clamping block and the convex block, so that the structure is simple and convenient to operate when the die cover needs to be opened; meanwhile, the utility model has good stability, long sustainable working time and high practicability.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a view of FIG. 1 with the addition of an annular cover;

FIG. 3 is an external view of the present apparatus;

fig. 4 is an internal structure view of the water tank.

Reference numerals: 1. a mold box; 101. a rotating shaft; 2. an inner mold cavity; 3. an annular groove; 4. a spiral tube; 5. an annular cover plate; 6. a mold cover; 7. a feed pipe; 8. an exhaust hole; 9. a grip; 10. a bump; 11. a card holder; 12. an elastic clamping block; 13. inserting a rod; 14. a temperature control box; 15. a box cover; 16. a water pump; 17. a water outlet pipe; 18. a water tank; 1801. a feed port; 1802. a discharge hole; 19. a feed tube; 20. an electric heating wire; 21. a refrigeration plate; 22. and heat dissipation fins.

Detailed Description

Example one

As shown in fig. 1-4, the utility model provides a non-inflatable hollow tire demolding mold, which comprises a mold box 1, a mold cover 6, a clamping seat 11, a temperature control box 14 and a water tank 18. Die cavity 2 in setting up in the

mould case

1, 2 outer walls around interior die cavity set up ring channel 3 on the mould case 1, set up spiral pipe 4 in the ring channel 3, set up pivot 101 on the mould case 1. The mould cover 6 is arranged on the mould box 1 and is rotationally connected with the rotating shaft 101, the feeding pipe 7 and the exhaust hole 8 are arranged on the mould cover 6, and the convex block 10 is arranged on the mould cover 6. The clamping seat 11 is arranged on the die box 1, the elastic clamping block 12 is arranged on the clamping seat 11, the inserting rod 13 is arranged on the clamping seat 11 in a sliding mode, and the inserting rod 13 is connected with the top end of the elastic clamping block 12. The temperature control box 14 is arranged in the die box 1, a water pump 16 is arranged in the temperature control box 14, the input end of the water pump 16 is communicated with one end of the spiral pipe 4, and the output end of the water pump 16 is provided with a water outlet pipe 17. The water tank 18 is arranged in the temperature control box 14, the other end of the water outlet pipe 17 is inserted into the water tank 18, and the other end of the spiral pipe 4 is also inserted into the water tank 18 and is positioned below the liquid level. An electric heating wire 20 is arranged in the water tank 18, the electric heating wire 20 is positioned below the liquid level, a refrigerating sheet 21 is arranged in the water tank 18, and the refrigerating sheet 21 is positioned below the liquid level in the water tank 18. The bottom of the water tank 18 is provided with a heat dissipating fin 22, and a heat collecting end of the heat dissipating fin 22 is connected with a heat dissipating end of the refrigeration sheet 21.

In this embodiment, the case cover 6 is rotated, and the protrusion 10 on the case cover 6 is clamped into the clamping seat 11 and does not shake under the limiting action of the elastic clamping block 12. The heating wire 20 is started, the heating wire 20 heats up the water in the water tank 18 to a certain height, the water pump 16 is started, the water pump 16 extracts high-temperature water and injects the high-temperature water into the spiral tube 4, the water with a certain temperature can exchange heat with the outer wall of the inner mold cavity 3 when circulating in the spiral tube 4, the temperature in the inner mold cavity 3 is increased to a certain value, then the rubber in a molten state is injected into the inner mold cavity 3 from the feed pipe 7, and the air in the inner mold cavity 3 is discharged from the exhaust hole 8. Because the inner die cavity 3 is preheated, the raw material can not be immediately precooled and cooled when entering the inner die cavity 3, and therefore, bubbles can not appear. Get into the cooling process afterwards, heating wire 20 cools down to the stop work gradually, and the temperature in spiral pipe 4 reduces gradually, and the work is inserted to refrigeration piece 21 afterwards, and the refrigeration piece refrigeration reduces the temperature, and low-temperature water can accelerate the raw materials temperature reduction in interior die cavity 3 along the 4 circulation of spiral pipe, and this kind of cooling process has certain notch cuttype, has both ensured off-the-shelf quality, has still accelerated fashioned efficiency.

Example two

As shown in fig. 1-3, compared with the first embodiment, the present invention provides a yielding mold for a non-pneumatic hollow tire, further including a mounting screw. An annular cover plate 5 is arranged on the annular groove 3, a mounting hole is formed in the annular cover plate 5, a threaded hole is formed in the side face of the annular groove 3, and a mounting screw penetrates through the mounting hole and is inserted into the threaded hole in a spiral mode. The lower surface of the mould cover 6 is provided with a sealing magnet, the opening edge of the inner mould cavity 2 is provided with a sealing magnet, a sealing magnetic suction pad is in sealing fit with the sealing magnet, and the mould cover 6 is also provided with a handle 9. The temperature control box 14 is provided with a hinge, the box cover 15 is arranged on the hinge, the box cover 15 is rotatably connected with the temperature control box 14, the box cover 15 is provided with a handle, and the handle is provided with a handle sleeve.

In this embodiment, the annular cover plate 5 is mainly used to facilitate the replacement and cleaning of the spiral tube 4 in the annular groove 3 at a later stage, and the handle on the mold cover 6 is used to provide convenience for an operator to open or close the mold cover 6. The cover is convenient for an operator to inspect the structure inside the temperature control box 14.

EXAMPLE III

As shown in fig. 1, 2 and 4, compared with the first embodiment, the utility model provides a non-pneumatic hollow tire demolding mold further comprising a controller. A temperature sensor is arranged in the arc-shaped wall of the inner die cavity 2 and is in communication connection with a controller, and the controller is in control connection with a water pump 16, an electric heating wire 20 and a refrigerating sheet 21. Also comprises a low liquid level alarm. A liquid level sensor is arranged in the water tank 18, the liquid level sensor is in communication connection with a controller, and the controller is in control connection with a low liquid level alarm. The water tank 18 is also provided with a feed pipe 19, and the feed pipe 19 is provided with a pipe cover.

In this embodiment, when the water level in the water tank 18 reduced to a definite value, level sensor detected the water level and crossed lowly, and signal feedback arrives the controller afterwards, and the low liquid level alarm of controller control is reported to the police, reminds the workman to add water, as long as open the tube cap and can add water when adding water.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The non-inflatable hollow tire demolding mold is characterized by comprising a mold box (1), a mold cover (6), a clamping seat (11), a temperature control box (14) and a water tank (18);

an inner die cavity (2) is arranged in the die box (1), an annular groove (3) is arranged on the die box (1) and surrounds the outer wall of the inner die cavity (2), a spiral pipe (4) is arranged in the annular groove (3), and a rotating shaft (101) is arranged on the die box (1); the mold cover (6) is arranged on the mold box (1) and is rotationally connected with the rotating shaft (101), the mold cover (6) is provided with a feeding pipe (7) and an exhaust hole (8), and the mold cover (6) is provided with a lug (10); the clamping seat (11) is arranged on the die box (1), the clamping seat (11) is provided with an elastic clamping block (12), the clamping seat (11) is provided with an inserted rod (13) in a sliding manner, and the inserted rod (13) is connected with the top end of the elastic clamping block (12);

the temperature control box (14) is arranged in the mold box (1), a water pump (16) is arranged in the temperature control box (14), the input end of the water pump (16) is communicated with one end of the spiral pipe (4), and the output end of the water pump (16) is provided with a water outlet pipe (17); the water tank (18) is arranged in the temperature control box (14), the other end of the water outlet pipe (17) is inserted into the water tank (18), and the other end of the spiral pipe (4) is also inserted into the water tank (18) and is positioned below the liquid level;

an electric heating wire (20) is arranged in the water tank (18), the electric heating wire (20) is positioned below the liquid level, a refrigerating sheet (21) is arranged in the water tank (18), and the refrigerating sheet (21) is positioned below the liquid level in the water tank (18); the bottom of the water tank (18) is provided with a radiating fin (22), and the heat collection end of the radiating fin (22) is connected with the radiating end of the refrigerating sheet (21).

2. The un-inflated hollow tire demolding mold as claimed in claim 1, further comprising mounting screws; an annular cover plate (5) is arranged on the annular groove (3), a mounting hole is formed in the annular cover plate (5), a threaded hole is formed in the side face of the annular groove (3), and a mounting screw penetrates through the mounting hole and is inserted into the threaded hole in a spiral mode.

3. The demolding mold for the non-pneumatic hollow tire as claimed in claim 1, wherein the lower surface of the mold cover (6) is provided with a sealing magnet, the opening edge of the inner mold cavity (2) is provided with a sealing magnet, a sealing magnetic suction pad is in sealing fit with the sealing magnet, and the mold cover (6) is further provided with a handle (9).

4. The forming mold for the non-inflatable hollow tire as claimed in claim 1, wherein the temperature control box (14) is provided with a hinge, the box cover (15) is arranged on the hinge, the box cover (15) is rotatably connected with the temperature control box (14), the box cover (15) is provided with a handle, and the handle is provided with a handle sleeve.

5. The un-inflated hollow tire demolding mold as claimed in claim 1, further comprising a controller; a temperature sensor is arranged in the arc-shaped wall of the inner die cavity (2), the temperature sensor is in communication connection with a controller, and the controller is in control connection with a water pump (16), an electric heating wire (20) and a refrigerating sheet (21).

6. The demolding mold for the non-pneumatic hollow tire as claimed in claim 1, wherein a feed hole (1801) and a discharge hole (1802) are formed in the water tank (18), the water outlet pipe (17) is inserted into the water tank (18) along the feed hole (1801), and the input end of the spiral pipe (4) is inserted into the water tank (18) along the discharge hole (1802).

7. The un-inflated hollow tire demolding mold as claimed in claim 1, further comprising a low liquid level alarm; a liquid level sensor is arranged in the water tank (18), the liquid level sensor is in communication connection with a controller, and the controller is in control connection with a low liquid level alarm; the water tank (18) is also provided with a feed pipe (19), and the feed pipe (19) is provided with a pipe cover.

8. The pneumatic-free hollow tire demolding mold as claimed in claim 1, wherein the bottom of the mold box (1) is provided with supporting legs, and the bottoms of the radiating fins (22) are positioned above the bottom surfaces of the supporting legs.