CN213766974U

CN213766974U - Refrigerator tray working of plastics mold processing

Info

Publication number: CN213766974U
Application number: CN202022883716.4U
Authority: CN
Inventors: 杜炜
Original assignee: Suzhou Zhigao Plastic Mold Co ltd
Current assignee: SUZHOU PASDA ELECTRICAL APPLIANCE CO.,LTD.
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-07-23
Anticipated expiration: 2030-12-04

Abstract

The utility model belongs to the technical field of refrigerator tray working of plastics processing, especially, be a refrigerator tray working of plastics mold processing, the on-line screen storage device comprises a base, the bottom fixed mounting of base has four support columns, the top fixed mounting of base has the bed die, the die cavity has been seted up at the top of bed die, and slidable mounting has the slide under the institute, the bottom fixed mounting of slide has a plurality of springs, and is a plurality of the bottom of spring with the bottom inner wall fixed connection in die cavity down, cooling chamber and insulating layer have been seted up to the inside in die cavity down, the inner wall of insulating layer with the outer wall connection in cooling chamber, the delivery port has been seted up to the refrigerated bottom, fixed mounting has the outlet pipe in the outlet pipe, the bottom intercommunication of outlet pipe has the storage water tank. The utility model discloses the simple operation can reach quick carminative effect when molten plastic gets into the shaping die cavity, can accelerate molten plastic cooling shaping simultaneously, has improved machining efficiency greatly.

Description

Refrigerator tray working of plastics mold processing

Technical Field

The utility model relates to a refrigerator tray working of plastics processing technology field especially relates to a refrigerator tray working of plastics mold processing.

Background

With the rapid development of the plastic industry and the continuous improvement of general and engineering plastics in the aspects of strength and the like, the application range of plastic products is continuously expanded, and the consumption of plastic products is also rising. A plastic mold is a tool for producing plastic articles and is formed of several component parts, the combination of which has a molding cavity. During injection molding, a mold is clamped on an injection molding machine, molten plastic is injected into a forming mold cavity and is cooled and shaped in the cavity, then an upper mold and a lower mold are separated, a product is ejected out of the mold cavity through an ejection system and leaves the mold, finally the mold is closed again for next injection molding, and the whole injection molding process is carried out in a circulating mode.

However, in the prior art, when the molten plastic is injected into the forming mold cavity, the air inside the mold cavity is not easy to be discharged, so that the injection molding effect is poor due to the occurrence of bubbles in the injection-molded plastic part, and meanwhile, the molten plastic is cooled after being sent into the forming mold cavity, so that the injection molding time is long, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a processing mould for a plastic part of a refrigerator tray.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a processing die for a plastic part of a refrigerator tray comprises a base, wherein four supporting columns are fixedly installed at the bottom of the base, a lower die is fixedly installed at the top of the base, a lower die groove is formed in the top of the lower die, a sliding plate is slidably installed in the lower die groove, a plurality of springs are fixedly installed at the bottom of the sliding plate, the bottom ends of the plurality of springs are fixedly connected with the inner wall of the bottom of the lower die groove, a cooling cavity and a heat insulation layer are formed in the lower die groove, the inner wall of the heat insulation layer is connected with the outer wall of the cooling cavity, a water outlet is formed in the cooled bottom, a water outlet pipe is fixedly installed in the water outlet, the bottom end of the water outlet pipe is communicated with a water storage tank, the top of the water storage tank is fixedly connected with the bottom of the base, a water inlet is formed in one side of the cooling cavity, and a water inlet pipe is fixedly installed in the water inlet, one end of the water inlet pipe is connected with a water pump, one end of the water pump, which is far away from the water inlet pipe, is connected with a connecting pipe, one end of the connecting pipe is communicated with the water storage tank, two supporting rods are fixedly installed at the top of the base, the same supporting plate is fixedly connected between the mutually close sides of the two supporting rods, two electric push rods are fixedly installed at the bottom of the supporting plate, the bottom of the two electric push rods is fixedly connected with the same upper die, an upper die groove is formed at the bottom of the upper die, a feed inlet is formed at the top of the upper die, a feed pipe is fixedly installed in the feed inlet and is communicated with the lower die groove, both ends of the bottom of the feed pipe are respectively provided with an air outlet, two supporting blocks are fixedly installed in the air outlet, sliding grooves are formed at the mutually close sides of the two supporting blocks, and a connecting block is slidably installed between the two sliding grooves, the bottom fixedly connected with connecting rod of connecting block, the bottom fixedly connected with sealing plug of connecting rod.

Preferably, the four support columns are distributed at the bottom of the base in a rectangular shape.

Preferably, the inner walls of two sides of the bottom end of the lower die cavity are fixedly provided with limiting plates, and the limiting plates are located below the sliding plate.

Preferably, the water pump is provided with a water inlet end and a water outlet end, the water inlet end of the water pump is communicated with the connecting pipe, and the water outlet end of the water pump is communicated with the water outlet pipe.

Preferably, the sealing plug is conical with a narrow top and a wide bottom.

Preferably, the sliding groove is matched with the connecting block, and the surface area of the supporting block is smaller than the cross-sectional area of the air outlet hole.

Compared with the prior art, the beneficial effects of the utility model are that: when in use, the upper die moves downwards into the lower die groove on the surface of the lower die through the extension of the electric push rod, then the bottom end of the upper die is abutted against the surface of the sliding plate, the sliding plate is driven to move downwards, meanwhile, the spring at the bottom of the sliding plate plays a role of buffering, finally, the sliding plate is abutted against the surfaces of the limiting plates at two sides of the lower die groove, then, the molten plastic is sent into a forming die cavity formed by the lower die groove and the upper die groove through the feed pipe, when the molten plastic enters the forming die cavity, because the surface area of the connecting block is smaller than the cross-sectional area of the air outlet, the air in the connecting block cannot block the air outlet, the air in the connecting block is discharged out of the forming die cavity through the two air outlet holes at the bottom end of the feed pipe, the sealing plug is pushed to enter the air outlet hole in the process that the molten plastic in the forming die cavity gradually rises, the air outlet hole is blocked, the exhaust effect is good, and simultaneously after the molten plastic is filled in the forming die cavity, when waiting for the shaping of the molten plastic in the mould, can take out the water in the storage water tank through the connecting pipe through the water pump, enter into the cooling chamber through the inlet tube, absorb the heat in the forming die cavity, the molten plastic cooling shaping in the forming die cavity is with higher speed, and the water in the cooling chamber passes through the outlet pipe and reenters in the storage water tank simultaneously, can not store in the cooling chamber.

The utility model discloses the simple operation can reach quick carminative effect when molten plastic gets into the shaping die cavity, can accelerate molten plastic cooling shaping simultaneously, has improved machining efficiency greatly.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

FIG. 2 is a partially enlarged view of the portion A in FIG. 1;

fig. 3 is a schematic view of the top view structure of the feeding pipe of the present invention.

In the figure: 1. a base; 2. a lower die; 3. a slide plate; 4. a cooling chamber; 5. a thermal insulation layer; 6. a water outlet pipe; 7. a water storage tank; 8. a water inlet pipe; 9. a water pump; 10. a connecting pipe; 11. a support bar; 12. a support plate; 13. an electric push rod; 14. an upper die; 15. a feed pipe; 16. an air outlet; 17. a support block; 18. connecting blocks; 19. a connecting rod; 20. a sealing plug; 21. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-3, the present invention provides a technical solution: a mould for processing plastic parts of a refrigerator tray comprises a base 1, four support columns are welded at the bottom of the base 1, a lower mould 2 is welded at the top of the base 1, a lower mould groove is formed in the top of the lower mould 2, a sliding plate 3 is slidably mounted in the lower mould groove, a plurality of springs are welded at the bottom of the sliding plate 3, the bottoms of the springs are welded with the inner wall of the bottom of the lower mould groove, a cooling cavity 4 and a heat insulation layer 5 are formed in the lower mould groove, the inner wall of the heat insulation layer 5 is connected with the outer wall of the cooling cavity 4, a water outlet is formed in the cooled bottom, a water outlet pipe 6 is welded in the water outlet, a water storage tank 7 is communicated with the bottom of the base 1, a water inlet is formed in one side of the cooling cavity 4, a water inlet pipe 8 is welded in the water inlet, one end of the water inlet pipe 8 is connected with a water pump 9, and one end of the water pump 9, which is far away from the water inlet pipe 8, is connected with a connecting pipe 10, one end of a connecting pipe 10 is communicated with a water storage tank 7, two supporting rods 11 are welded at the top of a base 1, the same supporting plate 12 is welded between the mutually close sides of the two supporting rods 11, two electric push rods 13 are welded at the bottom of the supporting plate 12, the same upper die 14 is welded at the bottom ends of the two electric push rods 13, an upper die groove is formed in the bottom of the upper die 14, a feed inlet is formed in the top of the upper die 14, a feed pipe 15 is welded in the feed inlet, the feed pipe 15 is communicated with the lower die groove, gas outlet holes 16 are formed in both ends of the bottom of the feed pipe 15, two supporting blocks 17 are welded in the gas outlet holes 16, sliding grooves are formed in the mutually close sides of the two supporting blocks 17, a connecting block 18 is slidably mounted between the two sliding grooves, a connecting rod 19 is welded at the bottom of the connecting block 18, and a connecting rod 20 is welded at the bottom of the connecting rod 19;

four support columns are the rectangle and distribute in the bottom of base 1, and limiting plate 21 has all been welded to the bottom both sides inner wall of lower die cavity, and limiting plate 21 is located slide 3's below, is equipped with into water end and play water end on the water pump 9, and the end of intaking and connecting pipe 10 intercommunication of water pump 9, the play water end and the outlet pipe 6 intercommunication of water pump 9, and sealing plug 20 is wide taper under the upper limit, and the spout matches with connecting block 18, and the surface area of supporting shoe 17 is less than the cross-sectional area of venthole 16, the utility model discloses the simple operation can reach quick carminative effect when molten plastic gets into the shaping die cavity, can accelerate molten plastic cooling shaping simultaneously, has improved machining efficiency greatly.

The working principle is as follows: when the device is used, the upper die 14 extends through the electric push rod 13 and moves downwards to the lower die groove on the surface of the lower die 2, then the bottom end of the upper die 14 is abutted against the surface of the sliding plate 3, the sliding plate 3 is driven to move downwards, meanwhile, the spring at the bottom of the sliding plate 3 plays a role of buffering, finally, the sliding plate 3 is abutted against the surfaces of the limiting plates 21 on two sides of the lower die groove, then, the molten plastic is sent into a forming die cavity formed by the lower die groove and the upper die groove through the feeding pipe 15, when the molten plastic enters the forming die cavity, because the surface area of the connecting block 18 is smaller than the cross-sectional area of the air outlet 16, the air outlet 16 cannot be blocked, the air in the air outlet is discharged out of the forming die cavity through the two air outlet 16 at the bottom end of the feeding pipe 15, the sealing plug 20 is pushed upwards in the process that the molten plastic in the forming die cavity gradually rises, the air outlet 16 is blocked by the air outlet 16, and the molten plastic is prevented from entering the air outlet 16, exhaust effectual, simultaneously after the shaping die cavity is filled to the molten plastic, when waiting for the molten plastic shaping in the mould, can take out through connecting pipe 10 through water pump 9 with the water in the storage water tank 7, enter into cooling chamber 4 via inlet tube 8 in, absorb the heat in the shaping die cavity, the molten plastic cooling shaping of shaping die cavity is quickened, simultaneously the water in cooling chamber 4 passes through outlet pipe 6 again and enters into storage water tank 7 in, can not store in cooling chamber 4, the utility model discloses the simple operation can reach quick carminative effect when molten plastic gets into the shaping die cavity, can accelerate molten plastic cooling shaping simultaneously, has improved machining efficiency greatly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a refrigerator tray working of plastics mold processing, includes base (1), its characterized in that: the bottom of the base (1) is fixedly provided with four supporting columns, the top of the base (1) is fixedly provided with a lower die (2), the top of the lower die (2) is provided with a lower die cavity, a sliding plate (3) is slidably arranged in the lower die cavity, the bottom of the sliding plate (3) is fixedly provided with a plurality of springs, the bottoms of the springs are fixedly connected with the inner wall of the bottom of the lower die cavity, the inside of the lower die cavity is provided with a cooling cavity (4) and a heat insulating layer (5), the inner wall of the heat insulating layer (5) is connected with the outer wall of the cooling cavity (4), the cooled bottom is provided with a water outlet, a water outlet pipe (6) is fixedly arranged in the water outlet, the bottom of the water outlet pipe (6) is communicated with a water storage tank (7), the top of the water storage tank (7) is fixedly connected with the bottom of the base (1), one side of the cooling cavity (4) is provided with a water inlet, the improved water-saving water tank is characterized in that a water inlet pipe (8) is fixedly installed in the water inlet, one end of the water inlet pipe (8) is connected with a water pump (9), one end of the water pump (9) far away from the water inlet pipe (8) is connected with a connecting pipe (10), one end of the connecting pipe (10) is communicated with the water storage tank (7), two supporting rods (11) are fixedly installed at the top of the base (1), one side, close to each other, of the two supporting rods (11) is fixedly connected with a same supporting plate (12), two electric push rods (13) are fixedly installed at the bottom of the supporting plate (12), one bottom of the two electric push rods (13) is fixedly connected with a same upper die (14), an upper die groove is formed in the bottom of the upper die (14), a feed inlet is formed in the top of the upper die (14), an inlet pipe (15) is fixedly installed in the feed inlet pipe, and the inlet pipe (15) is communicated with the lower die groove, the bottom both ends of inlet pipe (15) have all seted up venthole (16), and fixed mounting has two supporting shoes (17) in venthole (16), two the spout has all been seted up to one side that supporting shoe (17) are close to each other, two slidable mounting has connecting block (18) between the spout, the bottom fixedly connected with connecting rod (19) of connecting block (18), the bottom fixedly connected with sealing plug (20) of connecting rod (19).

2. The mold for forming a plastic part of a refrigerator tray of claim 1, wherein: the four support columns are distributed at the bottom of the base (1) in a rectangular shape.

3. The mold for forming a plastic part of a refrigerator tray of claim 1, wherein: limiting plates (21) are fixedly mounted on inner walls of two sides of the bottom end of the lower die cavity, and the limiting plates (21) are located below the sliding plate (3).

4. The mold for forming a plastic part of a refrigerator tray of claim 1, wherein: the water pump (9) is provided with a water inlet end and a water outlet end, the water inlet end of the water pump (9) is communicated with the connecting pipe (10), and the water outlet end of the water pump (9) is communicated with the water outlet pipe (6).

5. The mold for forming a plastic part of a refrigerator tray of claim 1, wherein: the sealing plug (20) is conical with a narrow top and a wide bottom.

6. The mold for forming a plastic part of a refrigerator tray of claim 1, wherein: the sliding groove is matched with the connecting block (18), and the surface area of the supporting block (17) is smaller than the cross-sectional area of the air outlet hole (16).