CN214605762U

CN214605762U - Polyurethane forming die

Info

Publication number: CN214605762U
Application number: CN202120643574.6U
Authority: CN
Inventors: 刘圣杰
Original assignee: Jingxian Huarui Precision Rubber And Plastic Products Co ltd
Current assignee: Jingxian Huarui Precision Rubber And Plastic Products Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-05
Anticipated expiration: 2031-03-30

Abstract

The utility model provides a polyurethane forming die. The polyurethane forming mold comprises a water tank; the water pump is fixedly arranged on one side of the water tank; the water pumping pipe is communicated with the water pump and the water tank; one end of the water injection pipe is communicated with the water tank; the shell is fixedly arranged on the water tank; the two ends of the baffle are respectively and fixedly arranged on the inner wall of the shell; the lifting mechanism is arranged on the inner wall of the shell; the cleaning mechanism is arranged on the lifting mechanism; the water collecting tank is fixedly arranged on the lifting plate; the two spray heads are fixedly arranged on the inner wall of the bottom of the water collecting tank; the base, the base fixed mounting be in on the inner wall of catch basin. The utility model provides a polyurethane forming die has operation safety, practicality are strong, advantage efficient of moulding plastics.

Description

Polyurethane forming die

Technical Field

The utility model relates to a polyurethane production technical field especially relates to a polyurethane forming die.

Background

Polyurethane is a high molecular compound. The polyurethane has two major types of polyester and polyether; they can be made into polyurethane plastics, polyurethane fibre, polyurethane rubber and elastomer. The soft polyurethane mainly has a thermoplastic linear structure, and has better stability, chemical resistance, rebound resilience and mechanical property and smaller compression deformability than a PVC foaming material. Good heat insulation, sound insulation, shock resistance and gas defense performance. Therefore, the product is used as a packaging, sound insulation and filtering material. The hard polyurethane plastic has the advantages of light weight, excellent sound insulation and heat insulation performance, chemical resistance, good electrical property, easy processing and low water absorption rate. It is mainly used as a heat-insulating structural material in the building, automobile and aviation industries. The polyurethane elastomer has the performance between that of plastic and rubber, and has the advantages of oil resistance, wear resistance, low temperature resistance, aging resistance, high hardness and elasticity. Is mainly used in the shoe making industry and the medical industry. The polyurethane can also be used for preparing adhesives, coatings, synthetic leather and the like.

After the traditional polyurethane forming mold is injected, the mold is opened after the mold is naturally cooled, and then the formed polyurethane appliance is taken out, wherein the traditional polyurethane forming mold is long in natural cooling time and low in efficiency; and when the traditional polyurethane forming mold is opened, workers often clamp and open the mold by using iron clamps, the method has low efficiency, and the mold may fall off in the clamping process, so that potential safety hazards are generated.

Therefore, there is a need to provide a new polyurethane forming mold to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a polyurethane forming die with operation safety, practicality are strong, it is efficient to mould plastics.

In order to solve the technical problem, the utility model provides a polyurethane forming die includes: a water tank; the water pump is fixedly arranged on one side of the water tank; the water pumping pipe is communicated with the water pump and the water tank; one end of the water injection pipe is communicated with the water tank; the shell is fixedly arranged on the water tank; the two ends of the baffle are respectively and fixedly arranged on the inner wall of the shell; the lifting mechanism is arranged on the inner wall of the shell; the cleaning mechanism is arranged on the lifting mechanism; the water collecting tank is fixedly arranged on the lifting plate; the two spray heads are fixedly arranged on the inner wall of the bottom of the water collecting tank; the base is fixedly arranged on the inner wall of the water collecting tank; the bottom end of the supporting rod is installed on the base in a threaded mode; the lower die is fixedly arranged at the top end of the supporting rod; the upper die is arranged on the lower die; one end of the injection molding pipe is communicated with the upper mold; the heating box is fixedly arranged on the shell; one end of the feeding pipe is communicated with the heating box, and the other end of the feeding pipe is communicated with the other end of the injection molding pipe; the two heating plates are respectively arranged on the inner walls of the two sides of the heating box; the air pump is fixedly arranged on one side of the heating box; a pressurizing pipe in communication with the air pump and the heating tank; and the water conveying pipe is communicated with the water pump and the two spray heads.

Preferably, elevating system includes gag lever post, elevator motor, threaded rod and lifter plate, the one end fixed mounting of gag lever post is in on the bottom inner wall of shell, the other end fixed mounting of gag lever post is in the bottom of baffle, elevator motor fixed mounting be in on the bottom inner wall of shell, the one end of threaded rod is rotated and is installed on the baffle, the other end fixed mounting of threaded rod is in on elevator motor's the output shaft, the lifter plate slip cap is established on the gag lever post, the lifter plate screw thread is installed on the threaded rod.

Preferably, the top of the heating box is provided with a material injection opening, and a sealing cover is hermetically arranged on the material injection opening.

Preferably, the water collecting tank is communicated with the water tank through a sewer pipe.

Preferably, the bottom of the baffle is provided with a sliding groove, and the top of the upper die is slidably mounted in the sliding groove.

Preferably, one end of each of the two water injection pipes is provided with a funnel.

Compared with the prior art, the utility model provides a polyurethane forming die has following beneficial effect:

the utility model provides a polyurethane forming die thereby spouts cold water to the bed die cooling through two shower nozzles, can make the mould cooling faster through cooling for the bed die to accelerate utensil shaping speed, improved injection efficiency, drive the bed die downstream through the lift board and make the bed die and go up the mould separation, it is safer to let the mould open, and the bed die adopts detachable construction with last mould, makes the change of mould more convenient.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a polyurethane forming mold according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of part B shown in fig. 1.

Reference numbers in the figures: 1. a water tank; 2. a water pump; 3. a water pumping pipe; 4. a water injection pipe; 5. a housing; 6. a baffle plate; 7. a limiting rod; 8. a lifting motor; 9. a threaded rod; 10. a lifting plate; 11. a water collecting tank; 12. a spray head; 13. a base; 14. a support bar; 15. a lower die; 16. an upper die; 17. injection molding a tube; 18. a heating box; 19. a discharging pipe; 20. heating plates; 21. an air pump; 22. a pressurizing pipe; 23. a water delivery pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a polyurethane forming mold according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; fig. 3 is an enlarged schematic view of part B shown in fig. 1. The polyurethane forming mold includes: a water tank 1; the water pump 2 is fixedly arranged on one side of the water tank 1; the water pumping pipe 3 is communicated with the water pump 2 and the water tank 1; one end of the water injection pipe 4 is communicated with the water tank 1; the shell 5 is fixedly arranged on the water tank 1; the two ends of the baffle 6 are respectively fixedly arranged on the inner wall of the shell 5; the lifting mechanism is arranged on the inner wall of the shell 5; the cleaning mechanism is arranged on the lifting mechanism; the water collecting tank 11 is fixedly arranged on the lifting plate 10; the two spray heads 12 are fixedly arranged on the inner wall of the bottom of the water collecting tank 11; the base 13 is fixedly arranged on the inner wall of the water collecting tank 11; the bottom end of the supporting rod 14 is installed on the base 13 in a threaded mode; the lower die 15 is fixedly arranged at the top end of the supporting rod 14; an upper mold 16, the upper mold 16 being provided on the lower mold 15; an injection molding pipe 17, one end of the injection molding pipe 17 being communicated with the upper mold 16; a heating box 18, wherein the heating box 18 is fixedly arranged on the shell 5; one end of the feeding pipe 19 is communicated with the heating box 18, and the other end of the feeding pipe 19 is communicated with the other end of the injection molding pipe 17; the two heating plates 20 are respectively arranged on the inner walls of the two sides of the heating box 18; an air pump 21, the air pump 21 being fixedly installed at one side of the heating box 18; a pressurizing pipe 22, the pressurizing pipe 22 communicating with the air pump 21 and the heating tank 18; the water conveying pipe 23 is communicated with the water pump 2 and the two spray heads 12.

Elevating system includes gag lever post 7, elevator motor 8, threaded rod 9 and lifter plate 10, the one end fixed mounting of gag lever post 7 is in on the bottom inner wall of shell 5, the other end fixed mounting of gag lever post 7 is in the bottom of baffle 6, elevator motor 8 fixed mounting is in on the bottom inner wall of shell 5, the one end of threaded rod 9 is rotated and is installed on the baffle 6, the other end fixed mounting of threaded rod 9 is in on elevator motor 8's the output shaft, the lifter plate 10 slip cover is established on the gag lever post 7, lifter plate 10 threaded mounting is in on the threaded rod 9, elevating system can be more convenient get the mould open.

An injection opening is formed in the top of the heating box 18, a sealing cover is mounted on the injection opening in a sealing mode, and the heating box 18 is sealed through the sealing cover.

The water collecting tank 11 is communicated with the water tank 1 through a sewer pipe, and water in the water collecting tank 11 can flow to the water tank 1 through the sewer pipe.

The bottom of the baffle 6 is provided with a sliding groove, and the top of the upper die 16 is slidably mounted in the sliding groove.

Two the one end of water injection pipe 4 is equipped with the funnel, through the funnel can be convenient more quick to water injection in the water tank 1.

The utility model provides a polyurethane forming die's theory of operation as follows:

opening a sealing cover, pouring a polyurethane raw material into a heating box 18, covering the sealing cover, starting a heating plate 20, melting the polyurethane raw material in the heating box 18 into a liquid state through the heating plate 20, starting an air pump 21, increasing pressure in the heating box 18 through a pressurizing pipe 22, so that the liquid polyurethane is pressed into a discharging pipe 19, and the liquid polyurethane enters an injection molding pipe 17 through the discharging pipe 19 and enters a space between an upper mold 16 and a lower mold 15 through the injection molding pipe 17 to perform injection molding;

cold water is injected into the water tank 1 through the water injection pipe 4, the water pump 2 is started after injection molding is finished, the water pump 2 pumps out the cold water in the water tank 1 through the water pumping pipe 3, the cold water is injected into the two spray heads 12 through the water conveying pipe 23, the cold water is sprayed to the lower die 15 through the two spray heads 12 so as to cool the lower die 15, and the lower die 15 is cooled so as to enable the die to be cooled more quickly, so that the forming speed of an appliance is increased, and the injection molding efficiency is improved;

the cooled water falls into the water collecting tank 11 and flows into the water tank 1 through the sewer pipe;

the lifting motor 8 is started, the lifting motor 8 drives the threaded rod 9 to rotate, the threaded rod 9 rotates to drive the lifting plate 10 to move downwards, the lower die 15 is driven by the lifting plate 10 to move downwards to separate the lower die 15 from the upper die 16, and the dies are opened more safely;

when the mold is replaced, the supporting rod 14 is unscrewed from the base 13, the upper mold 16 is taken out of the sliding groove for replacement, and the lower mold 15 and the upper mold 16 adopt detachable structures, so that the mold is more convenient to replace.

the utility model provides a polyurethane forming die, thereby spout cold water through two

shower nozzles

12 and 15 cooling down for bed die 15, can make the mould cooling faster through cooling down for bed die 15, thereby accelerate utensil shaping speed, the efficiency of moulding plastics has been improved, it makes bed die 15 and the separation of last mould 16 to drive bed die 15 downstream through lifter plate 10, it is safer to let the mould open, bed die 15 and last mould 16 adopt detachable construction, it is more convenient to make the change of mould.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A polyurethane molding die, comprising:

a water tank;

the water pump is fixedly arranged on one side of the water tank;

the water pumping pipe is communicated with the water pump and the water tank;

one end of the water injection pipe is communicated with the water tank;

the shell is fixedly arranged on the water tank;

the two ends of the baffle are respectively and fixedly arranged on the inner wall of the shell;

the lifting mechanism is arranged on the inner wall of the shell;

the cleaning mechanism is arranged on the lifting mechanism;

the water collecting tank is fixedly arranged on the lifting plate;

the two spray heads are fixedly arranged on the inner wall of the bottom of the water collecting tank;

the base is fixedly arranged on the inner wall of the water collecting tank;

the bottom end of the supporting rod is installed on the base in a threaded mode;

the lower die is fixedly arranged at the top end of the supporting rod;

the upper die is arranged on the lower die;

one end of the injection molding pipe is communicated with the upper mold;

the heating box is fixedly arranged on the shell;

one end of the feeding pipe is communicated with the heating box, and the other end of the feeding pipe is communicated with the other end of the injection molding pipe;

the two heating plates are respectively arranged on the inner walls of the two sides of the heating box;

the air pump is fixedly arranged on one side of the heating box;

a pressurizing pipe in communication with the air pump and the heating tank;

and the water conveying pipe is communicated with the water pump and the two spray heads.

2. The polyurethane forming die of claim 1, wherein the lifting mechanism includes a limiting rod, a lifting motor, a threaded rod and a lifting plate, one end of the limiting rod is fixedly mounted on the inner wall of the bottom of the housing, the other end of the limiting rod is fixedly mounted on the bottom of the baffle, the lifting motor is fixedly mounted on the inner wall of the bottom of the housing, one end of the threaded rod is rotatably mounted on the baffle, the other end of the threaded rod is fixedly mounted on an output shaft of the lifting motor, the lifting plate is slidably sleeved on the limiting rod, and the lifting plate is threadedly mounted on the threaded rod.

3. The polyurethane forming mold according to claim 1, wherein a material injection opening is formed in the top of the heating box, and a sealing cover is hermetically mounted on the material injection opening.

4. The polyurethane forming mold according to claim 1, wherein the water collecting tank is communicated with the water tank through a sewer pipe.

5. The polyurethane forming mold of claim 1, wherein the bottom of the baffle is provided with a sliding groove, and the top of the upper mold is slidably mounted in the sliding groove.

6. The polyurethane forming mold according to claim 1, wherein a funnel is provided at one end of the two water injection pipes.