CN218748947U

CN218748947U - Foaming mould of polyurethane rigid foam

Info

Publication number: CN218748947U
Application number: CN202222460483.6U
Authority: CN
Inventors: 李火松; 李建强; 金佳明
Original assignee: Zhejiang Zhenyang Thermal Insulation Technology Co ltd
Current assignee: Zhejiang Zhenyang Thermal Insulation Technology Co ltd
Priority date: 2022-09-17
Filing date: 2022-09-17
Publication date: 2023-03-28
Anticipated expiration: 2032-09-17

Abstract

The utility model discloses a foaming mould of polyurethane rigid foam relates to mould technical field, including the basin, the inside of basin is provided with mould and die holder, four joint boards of surface fixed connection of mould, the top of die holder is connected with four joint subassemblies that are used for four joint boards of joint, the joint subassembly is including being fixed in the dead lever at die holder top. The utility model discloses, be connected mould and die holder through the joint subassembly, avoid the polyurethane rigid foam to spill over, the hot plate heats the basin, the heat-conducting plate evenly conducts the water of water supply inslot with the heat, thereby evenly heat mould holder and mould, temperature sensor carries out real-time supervision to the temperature, temperature balance stability has been guaranteed, it drives the die holder removal to remove the subassembly, thereby conveniently drive the mould and remove, the convenience is to the injection of polyurethane rigid foam and the dismantlement after the shaping, the stable foaming of polyurethane rigid foam has been guaranteed, the quality of polyurethane rigid foam has been improved.

Description

Foaming mould of polyurethane rigid foam

Technical Field

The utility model relates to the technical field of mold, especially, relate to a foaming mold utensil of polyurethane rigid foam.

Background

The rigid polyurethane is a high polymer material generated by polymerization of isocyanate and polyol; intermolecular crosslinking, and has physical properties such as insolubility, heat resistance, strength, and the like; the method is widely applied to the fields of automobiles, buildings, household appliances and the like.

In the production process of polyurethane foam materials, a foaming mold is required to be used, and when the polyurethane foam is foamed, the temperature of materials directly influences the foaming amount and the quality of the foam, so that the temperature of the materials needs to be controlled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a foaming mould of polyurethane rigid foam.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a foaming mould of polyurethane rigid foam, includes the basin, the inside of basin is provided with mould and die holder, the outer fixed surface of mould is connected with four joint boards, the top of die holder is connected with four joint subassemblies that are used for four joint boards of joint, the joint subassembly is including being fixed in the dead lever at die holder top, four the equal sliding connection of dead lever internal surface has two joint poles, two the same joint spring of one side fixedly connected with that the joint pole is relative, the inside fixedly connected with heat-conducting plate of basin to the inside of basin is provided with the hot plate, the hot plate is located the bottom of heat-conducting plate, the bottom of die holder is provided with temperature sensor, the internal connection of basin is used for promoting the removal subassembly that the die holder reciprocated.

As a further description of the above technical solution:

the movable assembly comprises two bidirectional screw rods rotating on the inner wall of the water tank, the outer surfaces of the two bidirectional screw rods are in threaded connection with two thread blocks, the tops of the thread blocks are rotatably connected with supporting rods, and the top ends of the four supporting rods are respectively rotatably connected with the periphery of the bottom of the die holder.

As a further description of the above technical solution:

the end parts of the two-way screw rods extend to the outside of the water tank and are fixedly connected with chain wheels, the outer surfaces of the two chain wheels are engaged with the same chain in a transmission mode, and the side wall of the chain located on the front side is fixedly connected with a handle.

As a further description of the above technical solution:

the two screw threads on the same bidirectional screw are opposite in rotation direction.

As a further description of the above technical solution:

the tops of the two clamping and connecting rods positioned in the same fixing rod are inclined planes.

As a further description of the above technical solution:

the bottom of the mould is fixedly connected with a waterproof sealing ring.

The utility model discloses following beneficial effect has:

compared with the prior art, this foaming mould of polyurethane rigid foam, be connected the mould with the die holder through the joint subassembly, avoid the polyurethane rigid foam to spill over, it drives the die holder removal to remove the subassembly, thereby conveniently drive the mould and remove, the dismantlement after convenient injection and the shaping to the polyurethane rigid foam, the hot plate heats the basin, the heat-conducting plate is with the water of heat uniform conduction water feeding inslot, thereby carry out the even heating to die holder and mould, temperature sensor carries out real-time supervision to the temperature, temperature balance stability has been guaranteed, the stable foaming of polyurethane rigid foam has been guaranteed, the quality of polyurethane rigid foam has been improved.

Drawings

FIG. 1 is a front cross-sectional view of a foaming mold for rigid polyurethane foam according to the present invention;

fig. 2 is a top cross-sectional view of a foaming mold for rigid polyurethane foam according to the present invention;

fig. 3 is a partial front cross-sectional view of a clamping rod of a foaming mold for rigid polyurethane foam according to the present invention;

fig. 4 is an enlarged view of a point a shown in fig. 1.

Illustration of the drawings:

1. a water tank; 2. a mold; 3. a die holder; 4. fixing the rod; 5. a clamping and connecting plate; 6. a clamping and connecting rod; 7. clamping a spring; 8. heating plates; 9. a heat conducting plate; 10. a temperature sensor; 11. a bidirectional screw; 12. a thread block; 13. a support bar; 14. a sprocket; 15. a chain; 16. a handle; 17. waterproof sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a foaming mould of polyurethane rigid foam: comprises a water tank 1, a die 2 and a die holder 3 are arranged in the water tank 1, a feed inlet is arranged at the top of the die 2, a plurality of air holes are arranged at the top of the die 2, four clamping plates 5 are fixedly connected to the outer surface of the die 2, four clamping components for clamping the four clamping plates 5 are connected around the top of the die holder 3, each clamping component comprises a fixed rod 4 fixed at the top of the die holder 3, two clamping rods 6 are slidably connected to the inner surfaces of the four fixed rods 4, one side of each of the two clamping rods 6 opposite to each other is fixedly connected with a same clamping spring 7, the tops of the two clamping rods 6 in the same fixed rod 4 are inclined planes, the die 2 is pressed downwards by moving the clamping plates 5 on the die 2 to the fixed rods 4, so that the clamping rods 6 are contacted with the clamping plates 5, and the tops of the clamping rods 6 are inclined planes, thereby making the two clamping rods 6 approach each other and move into the fixed rod 4, compressing the clamping spring 7, after the clamping plate 5 moves to the bottom of the clamping rod 6, making the two clamping rods 6 keep away from each other by the elasticity of the clamping spring 7 and move out of the fixed rod 4, thereby clamping the clamping plate 5, the bottom of the mold 2 is fixedly connected with the waterproof sealing ring 17, after pressing the mold 2 downwards, making the waterproof sealing ring 17 compress and abut against the mold base 3, after the clamping rod 6 is stably connected with the fixed rod 4 and the clamping plate 5, making the waterproof sealing ring 17 mutually extrude the mold 2 and the mold base 3, thereby facilitating the stable connection of the mold 2 and the mold base 3, avoiding the overflow of the polyurethane hard foam, influencing the foaming of the polyurethane hard foam, the inner part of the water tank 1 is fixedly connected with the heat conducting plate 9, the heat conducting plate 9 conducts heat generated by heating the heating plate 8 evenly, the convenience carries out comprehensive balanced heating to the water bath in the basin 1, the foaming quality of polyurethane rigid foam has been improved, and the inside of basin 1 is provided with hot plate 8, hot plate 8 is located the bottom of heat-conducting plate 9, the bottom of die holder 3 is provided with temperature sensor 10, detect the temperature of the water in the basin 1 through temperature sensor 10, reach about 25 when the temperature, to 8 outage of hot plate, be less than 25 back when the temperature, to 8 circular telegrams of hot plate, with hot-water heating to 25 backs, close hot plate 8, guarantee that the temperature in aqueous is in about 25, the internal connection of basin 1 is used for promoting the removal subassembly that die holder 3 reciprocated.

Further, the moving assembly comprises two bidirectional screws 11 rotating on the inner wall of the water tank 1, two thread blocks 12 are connected to the outer surfaces of the two bidirectional screws 11 in a threaded manner, supporting rods 13 are rotatably connected to the tops of the thread blocks 12, the top ends of the four supporting rods 13 are respectively rotatably connected with the periphery of the bottom of the die holder 3, the end portions of the two bidirectional screws 11 extend to the outside of the water tank 1 and are fixedly connected with chain wheels 14, the outer surfaces of the two chain wheels 14 are engaged with a same chain 15 in a transmission manner, a handle 16 is fixedly connected to the side wall of the chain 15 positioned on the front side, two screw threads that lie in on same two-way screw rod 11 revolve to each other opposite, it rotates to drive sprocket 14 through rotating handle 16, drive two sprocket 14 synchronous rotations through chain 15, thereby drive two-way screw rod 11 synchronous rotations, because two screw threads of two-way screw rod 11 revolve to each other opposite, thereby make two thread blocks 12 on same two-way screw rod 11 be close to each other and keep away from, thereby bracing piece 13 removes, make die holder 3 reciprocate in basin 1, conveniently drive the synchronous motion of mould 2, thereby conveniently pour into the rigid foam of polyurethane and take out the rigid foam of polyurethane after the shaping.

The working principle is as follows: the handle 16 is rotated to drive the chain wheels 14 to rotate, the two chain wheels 14 are driven to synchronously rotate through the chain 15, so that the two bidirectional screw rods 11 are driven to synchronously rotate, the two thread blocks 12 on the same bidirectional screw rod 11 are far away from each other, the supporting rod 13 is driven to synchronously move, the die holder 3 is supported and moves upwards, the die holder 3 is driven to move, the die 2 is driven to synchronously move, and the handle 16 is stopped rotating until the die 2 is moved out of the water tank 1;

moving the clamping plate 5 on the mold 2 onto the fixing rod 4, so that the clamping rods 6 are moved into the fixing rod 4, the clamping springs 7 are compressed, after the clamping plate 5 is moved to the bottom of the clamping rod 6, the two clamping rods 6 are far away from each other through the elasticity of the clamping springs 7 and moved out of the fixing rod 4, so that the clamping plate 5 is clamped, polyurethane hard foam is injected into the mold 2, the handle 16 is rotated reversely, and the mold 2 is driven to move into the water tank 1 in the same way;

to heating water in the basin 1, then to 8 circular telegrams of hot plate, thereby make hot plate 8 exothermic, the heat conducts the heat back through heat-conducting plate 9, heat the water in the basin 1, the heat conduction is given mould 2, thereby heat the polyurethane rigid foam in the mould 2, detect the temperature of the water in the basin 1 through temperature sensor 10, reach about 25 when the temperature, to 8 outage of hot plate, after the temperature is less than 25, to 8 circular telegrams of hot plate, with water heating to 25 after, close hot plate 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a foaming mould of polyurethane rigid foam, includes basin (1), its characterized in that: the inside of basin (1) is provided with mould (2) and die holder (3), four joint board (5) of the outer fixed surface of mould (2) are connected with, the top of die holder (3) is connected with four joint subassemblies that are used for four joint board (5) of joint, the joint subassembly is including being fixed in dead lever (4) at die holder (3) top, four the equal sliding connection of dead lever (4) internal surface has two joint pole (6), two the same joint spring (7) of one side fixedly connected with that joint pole (6) are relative, the inside fixedly connected with heat-conducting plate (9) of basin (1) to the inside of basin (1) is provided with hot plate (8), hot plate (8) are located the bottom of heat-conducting plate (9), the bottom of die holder (3) is provided with temperature sensor (10), the internal connection of basin (1) is used for promoting the removal subassembly that die holder (3) reciprocated.

2. The foaming mold of rigid polyurethane foam according to claim 1, wherein: the movable assembly comprises two bidirectional screw rods (11) rotating on the inner wall of the water tank (1), the outer surfaces of the two bidirectional screw rods (11) are in threaded connection with two thread blocks (12), the top of each thread block (12) is rotatably connected with a support rod (13), and the top ends of the support rods (13) are respectively connected with the periphery of the bottom of the die holder (3) in a rotating mode.

3. The foaming mold of rigid polyurethane foam according to claim 2, wherein: the end parts of the two-way screws (11) extend to the outside of the water tank (1) and are fixedly connected with chain wheels (14), the outer surfaces of the two chain wheels (14) are engaged with the same chain (15) in a transmission mode, and the side wall of the chain (15) located on the front side is fixedly connected with a handle (16).

4. The foaming mold of rigid polyurethane foam as set forth in claim 2, wherein: the two screw threads on the same bidirectional screw (11) have opposite rotating directions.

5. The foaming mold of rigid polyurethane foam according to claim 1, wherein: the tops of the two clamping rods (6) positioned in the same fixing rod (4) are inclined planes.

6. The foaming mold of rigid polyurethane foam as set forth in claim 1, wherein: the bottom of the mould (2) is fixedly connected with a waterproof sealing ring (17).