CN220700257U

CN220700257U - Quick forming device

Info

Publication number: CN220700257U
Application number: CN202321842204.0U
Authority: CN
Inventors: 辛昌逵
Original assignee: Jiangsu Yichuang Materials Co ltd
Current assignee: Jiangsu Yichuang Materials Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-04-02
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses a rapid forming device, which relates to the technical field of forming dies and comprises a substrate, wherein a supporting frame is arranged at the top of the substrate, a hydraulic cylinder is arranged at the top of the supporting frame, the telescopic end of the hydraulic cylinder is connected with an upper die, a liquid injection channel is formed in the upper die, a lower die is arranged at the top of the substrate, a cavity is formed in the lower die, a cooling cavity is formed in the lower die, a heat exchange tube is arranged in the cooling cavity, one end of the heat exchange tube is connected with a water inlet pipe, and the other end of the heat exchange tube is connected with a water outlet pipe. According to the utility model, the cavity can be subjected to water cooling and air cooling heat dissipation, so that the heat in the cavity can be rapidly absorbed, and the molding speed of plastic products is increased.

Description

Quick forming device

Technical Field

The utility model relates to the technical field of forming dies, in particular to a rapid forming device.

Background

The injection mold is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and precise dimensions, and the injection molding is a processing method used for mass production of parts with complex shapes.

The prior patent (publication number: CN 216635230U) proposes a molding die for plastic, comprising: the mold comprises a mold body, a locking structure and two demolding structures. The die body comprises a fixed die and a movable die; the locking structure comprises two locking components, a driving piece and a limiting cover; the two demoulding structures are matched with the two locking assemblies in a one-to-one correspondence manner, each demoulding structure comprises a demoulding assembly and a connecting rod, the demoulding assembly is internally provided with a mounting groove formed in the fixed die and is provided with a notch which is movably embedded in the mounting groove and can partially protrude to a demoulding end of the cavity, and the driving end can slide along the mounting groove to the side deviating from the locking rod so as to drive the demoulding end to protrude to the cavity; the demolding structure comprises a demolding assembly and a connecting rod; the automatic locking and releasing of the die can be realized, manual frequent operation is not needed, automatic demolding of plastics can be realized, and the working efficiency is improved.

The plastic forming die has the following defects when in use: at present, because the temperature of the molten raw material is higher, after injection molding in a die cavity of a product, a standing cooling party which needs to pass through a period of time can be separated from the die cavity to ensure the stable form of the product, so that the product molding time is longer, the molding efficiency is low, after the raw material is molded, higher heat is still remained on the surface of the raw material, the raw material cannot be taken out by hands directly, and after the die is opened, the workpiece can be taken out after waiting a period of time, so that the production efficiency of the production mode is low, and the use requirement of people cannot be well met.

Disclosure of Invention

The utility model provides a rapid forming device, which solves the technical problems that after an article is injection-molded in a cavity, a standing cooling mode needs to be separated from the cavity after a period of time to ensure the stable form of the article, so that the molding time of the article is longer, the molding efficiency is low, high heat is remained on the surface of the raw material after the molding, the raw material cannot be taken by hands directly, a workpiece can be taken out after the mold is opened, and the production efficiency of the production mode is low, and the use requirement of people cannot be met well.

In order to solve the technical problems, the rapid prototyping device provided by the utility model comprises a substrate, wherein a support frame is arranged at the top of the substrate, a hydraulic cylinder is arranged at the top of the support frame, the telescopic end of the hydraulic cylinder is connected with an upper die, a liquid injection channel is formed in the upper die, a lower die is arranged at the top of the substrate, a cavity is formed in the lower die, a cooling cavity is formed in the lower die, a heat exchange tube is arranged in the cooling cavity, one end of the heat exchange tube is connected with a water inlet pipe, and the other end of the heat exchange tube is connected with a water outlet pipe.

Preferably, the upper die is symmetrically provided with air inducing chambers, induced draft fans are arranged in the air inducing chambers, air outlet plates are symmetrically arranged on the bottom surface of the upper die, air outlets are formed in two opposite sides of the air outlet plates, the lower die is provided with heat dissipation openings for the air outlet plates to be inserted, and the side walls of the heat dissipation openings are provided with ventilation holes communicated with the cooling cavity.

Preferably, the inside rotation of air-out board is installed a plurality of pivots, install the aviation baffle in the pivot, aviation baffle one side corresponds with the air outlet, the aviation baffle opposite side is provided with the tooth, the internally mounted of air-out board has electric putter, the rack is installed to electric putter's flexible end, the rack is connected with the tooth meshing.

Preferably, the heat exchange tube is made of copper, and the outer wall of the heat exchange tube is attached to the inner wall of the cooling cavity.

Preferably, an air outlet channel is formed in the lower die, and the air outlet channel is communicated with the cooling cavity.

Preferably, the liquid injection channel comprises a main channel and a secondary channel, and the main channel is communicated with the secondary channel.

Preferably, the induced draft fan comprises an air draft end and an air outlet end, and a filter screen is arranged outside the air draft end.

Preferably, the heat exchange tube is spirally arranged inside the cooling cavity.

Compared with the related art, the rapid prototyping device provided by the utility model has the following beneficial effects:

1. according to the utility model, external cold water can be injected into the heat exchange tube through the water inlet pipe and then flows out of the water outlet pipe, the cold water absorbs heat of the outer wall of the cavity in the flowing process of the heat exchange tube, so that the heat in the cavity can be rapidly absorbed, the molding speed of a plastic product is accelerated, meanwhile, the induced draft fan is started, the induced draft fan can introduce external air into the air draft chamber, then the induced draft fan enters the air outlet plate through the air draft chamber and then is blown out of the air outlet, and because the air outlet plate is positioned in the heat dissipation port when the upper die and the lower die are assembled, the air blown out through the air outlet can enter the heat dissipation port, and then the air holes formed in the side wall of the heat dissipation port enter the cooling cavity, so that the effect of air cooling and heat dissipation are realized.

2. According to the utility model, the rack is pulled to move upwards through the electric push rod, and the rack drives the teeth meshed with the rack to rotate, so that the air deflector rotates clockwise by taking the rotating shaft as the axis, the air deflector is in an inclined state, the air blown out from the air outlet can be guided, the effect that the air blows to the product in the cavity is achieved, the temperature of the surface of the product can be rapidly reduced, the time for workers to wait for cooling of the die is reduced, and the working efficiency is effectively improved.

Drawings

FIG. 1 is a schematic view of a rapid prototyping apparatus;

FIG. 2 is a schematic cross-sectional view of a rapid prototyping apparatus;

FIG. 3 is a schematic view of a structure of an air deflector in a rapid prototyping apparatus;

fig. 4 is an enlarged view of the structure at a in fig. 2.

Reference numerals in the drawings: 1. a substrate; 2. a support frame; 3. a hydraulic cylinder; 4. an upper die; 5. a liquid injection channel; 6. a lower die; 7. a cavity; 8. a cooling chamber; 9. a heat exchange tube; 10. a water inlet pipe; 11. a water outlet pipe; 12. an air-inducing chamber; 13. an induced draft fan; 14. an air outlet plate; 15. an air outlet; 16. a heat radiation port; 17. a vent hole; 18. an air outlet channel; 19. a rotating shaft; 20. an air deflector; 21. teeth; 22. an electric push rod; 23. a rack.

Detailed Description

Embodiments of the present utility model are described in detail below.

The first embodiment is shown in fig. 1-4, a rapid prototyping device, which comprises a substrate 1, the support frame 2 is installed at the substrate 1 top, the pneumatic cylinder 3 is installed at the support frame 2 top, the flexible end of pneumatic cylinder 3 is connected with mould 4, the liquid injection passageway 5 has been seted up on the last mould 4, lower mould 6 is installed at the substrate 1 top, cavity 7 has been seted up on the lower mould 6, cooling chamber 8 has been seted up to the inside of lower mould 6, cooling chamber 8 internally mounted has heat exchange tube 9, the one end of heat exchange tube 9 is connected with inlet tube 10, the other end of heat exchange tube 9 is connected with outlet pipe 11, can carry out the water-cooling heat dissipation to mould chamber 7 for the heat in the mould chamber 7 can be by quick absorption, the shaping speed of plastics product has been accelerated.

In the second embodiment, shown in fig. 1-4, a rapid prototyping device is provided, which comprises a substrate 1, the support frame 2 is installed at the top of the substrate 1, the pneumatic cylinder 3 is installed at the top of the support frame 2, the telescopic end of the pneumatic cylinder 3 is connected with the upper mould 4, the upper mould 4 is provided with the liquid injection channel 5, the top of the substrate 1 is installed with the lower mould 6, the lower mould 6 is provided with the cavity 7, the cooling cavity 8 is provided in the lower mould 6, the heat exchange tube 9 is installed in the cooling cavity 8, one end of the heat exchange tube 9 is connected with the water inlet tube 10, the other end of the heat exchange tube 9 is connected with the water outlet tube 11, the air-inducing chamber 12 is symmetrically provided on the upper mould 4, the air-inducing chamber 12 is internally provided with the induced draft fan 13, the bottom surface of the upper mould 4 is symmetrically provided with the air-out plate 14, one side opposite to the two air-out plates 14 is provided with the air-out opening 15, the lower mould 6 is provided with the heat dissipation opening 16 for inserting the air-out plate 14, the side wall of the heat dissipation opening 16 is provided with the ventilation hole 17 communicated with the cooling cavity 8, the air cooling cavity 7 can be cooled on the basis, the molding efficiency of the product is further improved.

An embodiment III is given by fig. 1-4, a rapid prototyping device, which comprises a substrate 1, support frame 2 is installed at the base plate 1 top, pneumatic cylinder 3 is installed at the support frame 2 top, the flexible end of pneumatic cylinder 3 is connected with last mould 4, the liquid injecting channel 5 has been seted up on last mould 4, lower mould 6 is installed at base plate 1 top, cavity 7 has been seted up on lower mould 6, cooling chamber 8 has been seted up to the inside of lower mould 6, cooling chamber 8 internally mounted has heat exchange tube 9, the one end of heat exchange tube 9 is connected with inlet tube 10, the other end of heat exchange tube 9 is connected with outlet pipe 11, a plurality of pivots 19 are installed in the inside rotation of air-out plate 14, install aviation baffle 20 on pivot 19, aviation baffle 20 one side corresponds with air outlet 15, the opposite side of aviation baffle 20 is provided with tooth 21, the internally mounted of air-out plate 14 has electric putter 22, rack 23 is installed to electric putter 22's flexible end, rack 23 and tooth 21 mesh connection, upper mould 4 and lower mould 6 are separated after the product shaping, 13 can carry out the draught fan to the surface of product, make the temperature of product surface can be fast, the work efficiency of waiting for the cooling has been reduced, the work efficiency of the mould has been improved.

In addition, in order to make the heat of die cavity 7 surface transfer to heat exchange tube 9 in fast, the material of heat exchange tube 9 is copper, and heat exchange tube 9 outer wall and cooling chamber 8 inner wall laminating.

In addition, in order to enable the wind entering the cooling cavity 8 to be dispersed to the outside, an air outlet channel 18 is formed in the lower die 6, and the air outlet channel 18 is communicated with the cooling cavity 8.

In addition, in order to uniformly distribute the plastic liquid inside the cavity 7, the liquid injection passage 5 includes a main passage and a sub-passage, the main passage being in communication with the sub-passage.

In addition, in order to avoid that the induced draft fan 13 introduces external dust into the inside of the induced draft chamber 12, the induced draft fan 13 includes an induced draft end and an air outlet end, and a filter screen is provided at the outside of the induced draft end.

In addition, in order to increase the flow of cold water and heat exchange time, the heat exchange tube 9 is spirally arranged inside the cooling cavity 8.

Working principle: when the mold is used, the upper mold 4 is pushed to move downwards and be clamped with the lower mold 6 through the hydraulic cylinder 3, high-temperature plastic liquid is injected into the cavity 7 from the liquid injection channel 5, external cold water can be injected into the heat exchange tube 9 through the water inlet pipe 10 and then flows out of the water outlet pipe 11, heat of the outer wall of the cavity 7 is absorbed in the flowing process of the heat exchange tube 9, water cooling and heat dissipation can be carried out on the cavity 7, the heat in the cavity 7 can be quickly absorbed, the molding speed of a plastic product is accelerated, meanwhile, the induced draft fan 13 is started, the induced draft fan 13 can introduce external air into the air draft chamber 12, then the air draft chamber 12 enters the air outlet plate 14, and then the air is blown out through the air outlet 15, and as the air outlet plate 14 is positioned in the heat dissipation port 16 when the upper mold 4 and the lower mold 6 are clamped, the air blown out through the air outlet 15 can enter the inside the heat dissipation port 16, the air ventilation hole 17 formed on the side wall of the heat dissipation port 16 enters the inside the cooling cavity 8, the air cooling effect of the air cooling and the molding efficiency of the product can be further improved on the basis of water cooling;

after the product is molded, the hydraulic cylinder 3 pulls the upper die 4 to move upwards to separate the upper die 4 from the lower die 6, after the upper die 4 moves to a specified position, the hydraulic cylinder 3 is closed firstly, the rack 23 is pulled to move upwards through the electric push rod 22, the rack 23 drives the teeth 21 meshed with the rack 23 to rotate, and then the air deflector 20 rotates clockwise by taking the rotating shaft 19 as an axis, so that the air deflector 20 is in an inclined state, wind blown from the air outlet 15 can be guided, the effect that the wind blows to the product inside the cavity 7 is achieved, the temperature of the surface of the product can be reduced rapidly, the time for workers to wait for cooling the die is reduced, and the working efficiency is improved effectively.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rapid prototyping device, includes base plate (1), its characterized in that, support frame (2) are installed at base plate (1) top, pneumatic cylinder (3) are installed at support frame (2) top, flexible end of pneumatic cylinder (3) is connected with mould (4) on, liquid injection passageway (5) have been seted up on last mould (4), lower mould (6) are installed at base plate (1) top, cavity (7) have been seted up on lower mould (6), cooling chamber (8) have been seted up to the inside of lower mould (6), the internally mounted of cooling chamber (8) has heat exchange tube (9), one end of heat exchange tube (9) is connected with inlet tube (10), the other end of heat exchange tube (9) is connected with outlet pipe (11).

2. The rapid prototyping device according to claim 1, wherein the upper die (4) is symmetrically provided with air inducing chambers (12), induced draft fans (13) are installed in the air inducing chambers (12), air outlet plates (14) are symmetrically installed on the bottom surface of the upper die (4), air outlets (15) are formed in opposite sides of the two air outlet plates (14), the lower die (6) is provided with cooling holes (16) for inserting the air outlet plates (14), and ventilation holes (17) for communicating with the cooling cavity (8) are formed in the side walls of the cooling holes (16).

3. The rapid prototyping device according to claim 2, wherein a plurality of rotating shafts (19) are rotatably arranged in the air outlet plate (14), an air guide plate (20) is arranged on the rotating shafts (19), one side of the air guide plate (20) corresponds to the air outlet (15), teeth (21) are arranged on the other side of the air guide plate (20), an electric push rod (22) is arranged in the air outlet plate (14), a rack (23) is arranged at the telescopic end of the electric push rod (22), and the rack (23) is connected with the teeth (21) in a meshed mode.

4. The rapid prototyping device according to claim 1, wherein the heat exchange tube (9) is made of copper, and the outer wall of the heat exchange tube (9) is attached to the inner wall of the cooling cavity (8).

5. A rapid prototyping apparatus according to claim 1, wherein the lower die (6) is provided with an air outlet channel (18) inside, the air outlet channel (18) being in communication with the cooling chamber (8).

6. A rapid prototyping apparatus according to claim 1, wherein the filling channel (5) comprises a main channel and a secondary channel, the main channel being in communication with the secondary channel.

7. A rapid prototyping apparatus according to claim 2, characterized in that the induced draft fan (13) comprises an air draft end and an air outlet end, and a filter screen is arranged outside the air draft end.

8. A rapid prototyping apparatus according to claim 1, characterized in that the heat exchange tube (9) is arranged inside the cooling chamber (8) in a spiral manner.