Injection mechanism suitable for plastic mold

By combining gears, motors, racks, and a cooling system, the problem of untimely mold cooling in the injection mechanism was solved, enabling rapid cooling and cleaning of the storage tank, thus improving injection molding efficiency.

CN223520132UActive Publication Date: 2025-11-07SHENZHEN PW MOULD CO LTD
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Patent Information

Application Number
CN202422845842.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-11-07
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

The existing injection mechanism cannot cool the molded model in time after injection, which affects the efficiency of subsequent injection molding work.

Method used

The system employs components such as gears, motors, racks, cooling boxes, cooling plates, and condenser tubes. The motor drives the gears to move the rack, which in turn moves the cooling box. Coolant and cooling plates are used to cool the lower mold, and heating copper pipes and stirring rods are used to prevent the raw materials in the storage tank from cooling and solidifying.

Benefits of technology

It enables rapid cooling of injection molds and cleaning of storage tanks, improving the efficiency and effectiveness of injection molding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molds, and discloses a material injection mechanism suitable for a plastic mold, which comprises a base plate, a fixed block is fixedly connected to the right position of the top of the base plate, a first motor is fixedly connected to the top of the fixed block, and a gear is fixedly connected to the output end of the first motor. A rack is connected to the rear side of the outer ring of the gear in a meshed mode, a cooling box is fixedly connected to the left side of the rack, a condensate box is fixedly connected to the front side of the cooling box, a first water pump penetrates through and is fixedly connected to the top of the condensate box, and a condensation pipe penetrates through and is fixedly connected to the output end of the first water pump; and a refrigeration sheet is arranged on one side of the outer ring of the condensation pipe in a penetrating manner. According to the cooling device, the first motor is started to enable the rack to drive the cooling box to move, the first water pump enables cooling liquid in the condensate box to enter the condensation pipe, the cooling piece cools the passing cooling liquid, cooling treatment on the lower die is achieved, and the using effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mould technical field especially suitable for injection mechanism of plastic mould. BACKGROUND

[0002] In the plastic mould injection process, injection mechanism is widely used to injection treatment to various plastic moulds, and the plastic mould is a kind of combination mould for compression molding, extrusion molding and injection, and the coordinated change of the mould male and female dies and auxiliary forming system can process a series of plastic parts with different shapes and sizes, and the plastic mould is the mother of industry, and the release of new products will involve plastics, and the injection mechanism is also applied in the plastic mould injection process.

[0003] The existing injection mechanism is used to put the plastic raw materials into the injection mechanism, inject the plastic raw materials into the mould through the discharge port, and demould the mould after natural cooling to complete the injection work of the plastic mould.

[0004] However, the existing injection mechanism cannot cool and take out the injection model in time during use, which is not conducive to subsequent injection work and affects work efficiency, and therefore, the injection mechanism suitable for plastic mould is proposed. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of injection mechanism suitable for plastic mould, solve the problem that model cannot be cooled and taken out in time after injection in background art, which is not conducive to subsequent injection work, and affect work efficiency problem.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of injection mechanism suitable for plastic mould, including backing plate, the backing plate top right position is fixedly connected with fixed block, the fixed block top is fixedly connected with first motor, the first motor output end is fixedly connected with gear, the gear outer circle rear side is engaged with rack, the rack left side is fixedly connected with cooling tank, the cooling tank front side is fixedly connected with condensate tank, the condensate tank top is fixedly connected with first water pump and is penetrated, the first water pump output end is fixedly connected with condenser tube and is penetrated, the condenser tube outer circle one side is fixedly connected with refrigeration piece and is penetrated, the backing plate top is fixedly connected with U-shaped plate, the U-shaped plate inner wall left and right sides are all fixedly connected with straight plate, two The straight plate opposite side is fixedly connected with lower mould, the lower mould top is provided with upper mould, the U-shaped plate inner wall top is fixedly connected with two air cylinders, the upper mould top is provided with cleaning assembly.

[0007] By adopting the above technical scheme, when the lower mold needs to be cooled, the cooling liquid in the condensate tank flows into the condensing pipe, and the cooling liquid passing through the refrigeration sheet is cooled by the refrigeration sheet, thereby realizing the cooling operation of the cooling tank, and the cooling tank moves to cool the lower mold.

[0008] As a further description of the above technical scheme: the cleaning assembly includes a storage bucket, the upper mold is fixedly connected with the storage bucket, a second motor is fixedly connected at the top center position of the storage bucket, a rotating shaft is fixedly connected at the output end of the second motor and penetrates the storage bucket, a plurality of stirring rods are fixedly connected to the outer circle of the rotating shaft, a scraper is fixedly connected to one side of the outer circle of the rotating shaft, a booster pump is fixedly connected at the top left side of the storage bucket and penetrates the storage bucket, a water tank is fixedly connected to the back of the outer wall of the storage bucket, a second water pump is fixedly connected at the top of the water tank and penetrates the water tank, a conveying pipe is fixedly connected at the output end of the second water pump and penetrates the water tank, a heating copper pipe is arranged in the wall thickness of the storage bucket, and heating heads are arranged at both ends of the heating copper pipe.

[0009] By adopting the above technical scheme, when the storage bucket needs to be cleaned, clean water in the water tank flows into the storage bucket, and the inside of the storage bucket is stirred by the stirring rod, and the scraper driven by the rotating shaft scrapes off the plastic raw materials remaining on the inner wall of the storage bucket.

[0010] As a further description of the above technical scheme: the left side of the fixed block is fixedly connected with a sliding rail, and a rack is slidingly connected between the inner walls of the sliding rail.

[0011] By adopting the above technical scheme, the sliding rail can limit the rack, and the rack can drive the cooling tank to move.

[0012] As a further description of the above technical scheme: the outer wall of the cooling tank is provided with a condensing pipe, and the other end of the condensing pipe penetrates and is fixedly connected with a condensate tank.

[0013] By adopting the above technical scheme, the cooling liquid in the condensate tank can enter the condensing pipe, and the cooling tank is cooled by cooling.

[0014] As a further description of the above technical scheme: two output ends of the cylinders are fixedly connected with upper molds.

[0015] By adopting the above technical scheme, the cylinders can drive the upper molds to move.

[0016] As a further description of the above technical scheme: the bottom of the storage bucket penetrates and is fixedly connected with a second electromagnetic valve, the bottom of the second electromagnetic valve penetrates and is fixedly connected with a discharge pipe, and the bottom of the discharge pipe penetrates and is fixedly connected with an upper mold.

[0017] By adopting the above technical scheme, the plastic raw materials in the storage bucket can enter the upper mold through the discharge pipe, and the injection molding is completed.

[0018] As the further description of the above technical scheme: the first electromagnetic valve is fixedly connected through the left side of the top of the storage barrel, and the feed pipe is fixedly connected through the top of the first electromagnetic valve.

[0019] By adopting the above technical scheme, the plastic raw material can enter the storage barrel through the feed pipe.

[0020] As the further description of the above technical scheme: the other end of the conveying pipe is fixedly connected through the storage barrel.

[0021] By adopting the above technical scheme, the storage barrel can store the plastic raw material.

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] 1. The injection mechanism suitable for the plastic mold provided by the utility model firstly drives the gear to rotate through the gear, the first motor, the rack, the cooling box, the refrigeration sheet and the condenser pipe, drives the rack to move through the gear, drives the cooling box to move below the lower mold through the rack, and the cooling liquid in the condenser liquid tank is sent into the condenser pipe through the work of the first water pump, the refrigeration sheet cools the passing cooling liquid, the cooling liquid cools the water in the cooling box, and the cooling treatment of the lower mold is realized, so that subsequent work is facilitated, and the use effect is improved.

[0024] 2. The injection mechanism suitable for the plastic mold provided by the utility model heats the storage barrel through the work of the heating copper pipe and the heating head together, so that the glue injection raw material in the storage barrel will not be cooled and solidified, the glue injection material on the inner wall of the storage barrel is scraped down through the scraper, the rotation of the rotating shaft is driven through the start of the second motor, the rotating shaft drives the stirring stick to rotate and clean the storage barrel, the residual glue injection material on the inner wall of the storage barrel is scraped down through the scraper, the clean water in the water tank is sent into the inside of the storage barrel through the start of the second water pump, the next use is facilitated, and the glue injection effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the overall structure perspective drawing of the utility model;

[0026] Figure 2 It is the storage barrel structure schematic view of the utility model;

[0027] Figure 3 It is the storage barrel structure section view of the utility model;

[0028] Figure 4 It is the scraper structure schematic view of the utility model.

[0029] LEGEND:

[0030] 1, U-shaped plate; 2, cylinder; 3, upper mold; 4, lower mold; 5, straight plate; 6, fixed block; 7, first motor; 8, rack; 9, backing plate; 10, cooling box; 11, refrigeration piece; 12, condenser tube; 13, first water pump; 14, condensate tank; 15, storage barrel; 16, conveying pipe; 17, second water pump; 18, water tank; 19, booster pump; 20, second motor; 21, feeding pipe; 22, first electromagnetic valve; 23, heating copper pipe; 24, heating head; 25, rotating shaft; 26, stirring stick; 27, second electromagnetic valve; 28, discharge pipe; 29, scraper; 30, slide rail; 31, gear. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] In order to further understand the content of the utility model, the utility model will be described in detail in combination with the drawings.

[0033] In combination with Figure 1 The injection mechanism suitable for the plastic mold of the utility model, the backing plate 9 is fixedly connected with the fixed block 6 at the right position of the top of the backing plate 9, the left side of the fixed block 6 is fixedly connected with the slide rail 30, the fixed block 6 can support the slide rail 30, the slide rail 30 can limit the rack 8, and the rack 8 is prevented from deviating when moving, the bottom of the storage barrel 15 is fixedly connected with the second electromagnetic valve 27, the bottom of the second electromagnetic valve 27 is fixedly connected with the discharge pipe 28, the bottom of the discharge pipe 28 is fixedly connected with the upper mold 3, the discharge pipe 28 can make the plastic raw materials in the storage barrel 15 enter the upper mold 3, complete injection molding, the top left side of the storage barrel 15 is fixedly connected with the first electromagnetic valve 22, the first electromagnetic valve 22 can control the opening and closing of the feeding pipe 21, the top of the first electromagnetic valve 22 is fixedly connected with the feeding pipe 21, the storage barrel 15 is used to store plastic raw materials, the feeding pipe 21 can make the plastic raw materials enter the storage barrel 15, and realize the filling of the storage barrel 15.

[0034] In combination with Figure 2 And Figure 3The top right position of the backing plate 9 is fixedly connected with a fixed block 6, the top of the fixed block 6 is fixedly connected with a first motor 7, the output end of the first motor 7 is fixedly connected with a gear 31, the outer circle of the gear 31 is meshingly connected with a rack 8 at the rear side, the left side of the rack 8 is fixedly connected with a cooling box 10, the first motor 7 drives the gear 31 to rotate, the gear 31 drives the rack 8 and the cooling box 10 to move, and the cooling box 10 is moved to the lower mold 4, so that the lower mold 4 is cooled, the front side of the cooling box 10 is fixedly connected with a condensate tank 14, the top of the condensate tank 14 is fixedly connected with a first water pump 13, the output end of the first water pump 13 is fixedly connected with a condenser pipe 12, the first water pump 13 can flow the cooling liquid in the condensate tank 14 into the condenser pipe 12, the outer circle of the condenser pipe 12 is fixedly connected with a refrigeration fin 11, the refrigeration fin 11 can cool the cooling liquid, the top of the backing plate 9 is fixedly connected with a U-shaped plate 1, the inner wall of the U-shaped plate 1 is fixedly connected with a straight plate 5, the backing plate 9 can support the U-shaped plate 1, the U-shaped plate 1 can support the straight plate 5, the straight plate 5 can support the lower mold 4, the left side of the straight plate 5 is fixedly connected with the lower mold 4, the top of the lower mold 4 is provided with an upper mold 3, the upper mold 3 and the lower mold 4 are combined to be injection molded, and a model can be generated, the inner wall of the U-shaped plate 1 is fixedly connected with two air cylinders 2, the air cylinders 2 can drive the upper mold 3 to move, so that the upper mold 3 is separated from the lower mold 4, and the top of the upper mold 3 is provided with a cleaning assembly.

[0035] In combination Figure 4 The cleaning assembly comprises a storage barrel 15, the upper mold 3 and the storage barrel 15 are fixedly connected, the top center of the storage barrel 15 is fixedly connected with a second motor 20, the output end of the second motor 20 is fixedly connected with a rotating shaft 25 through the storage barrel 15, the second motor 20 can drive the rotating shaft 25 to rotate, the rotating shaft 25 drives the stirring rod 26 to rotate to stir the inside of the storage barrel 15, the outer circle of the rotating shaft 25 is fixedly connected with the stirring rod 26 which is uniformly distributed, the outer circle of the rotating shaft 25 is fixedly connected with a scraper 29, the rotating shaft 25 drives the scraper 29 to rotate, the plastic raw materials remaining on the inner wall of the storage barrel 15 are scraped off, the storage barrel 15 is cleaned, the top left side of the storage barrel 15 is fixedly connected with a booster pump 19, the rear side of the outer wall of the storage barrel 15 is fixedly connected with a water tank 18, the booster pump 19 can flow the plastic raw materials of the storage barrel 15 into the upper mold 3 and the lower mold 4, the water tank 18 can store cleaning water, the top of the water tank 18 is fixedly connected with a second water pump 17, the output end of the second water pump 17 is fixedly connected with a conveying pipe 16, the second water pump 17 can flow the cleaning water in the water tank 18 into the conveying pipe 16, the conveying pipe 16 transports the cleaning water into the storage barrel 15 to clean the inside of the storage barrel 15, the wall thickness of the storage barrel 15 is provided with a heating copper pipe 23, the two ends of the heating copper pipe 23 are provided with heating heads 24, the heating copper pipe 23 and the heating heads 24 work together to prevent the plastic raw materials in the storage barrel 15 from cooling and solidifying.

[0036] Working principle: in using the injection mechanism, the plastic raw material is put into the storage barrel 15 through the feeding pipe 21, and is injected through the discharge pipe 28, the heating copper pipe 23 works together with the heating head 24 to prevent the plastic raw material from solidifying, the scraper 29 rotates to reduce the residual plastic raw material on the inner wall of the storage barrel 15, when the lower mold 4 is cooled, the first water pump 13 is started to make the cooling liquid in the condensing tank 14 into the condensing pipe 12, the refrigeration fin 11 cools the passing cooling liquid, the cooling liquid cools the water in the cooling tank 10, the water in the cooling tank 10 can flow out through the water outlet, at the same time, the first motor 7 is started to drive the gear 31 to rotate, the gear 31 drives the rack 8 to move, the rack 8 drives the cooling tank 10 to move, the lower mold 4 is cooled, the upper mold 3 and the lower mold 4 are cooled and shaped, when the storage barrel 15 is cleaned, the second water pump 17 is started to make the cleaning water in the water tank 18 into the conveying pipe 16 and flow into the storage barrel 15, the second motor 20 is started to drive the rotating shaft 25 to rotate, the rotating shaft 25 drives the stirring rod 26 to rotate to clean the inside of the storage barrel 15, at the same time, the rotating shaft 25 drives the scraper 29 to rotate to scrape the residual plastic raw material on the inner wall of the storage barrel 15, so that the cleaning is more clean, which is beneficial to the next use.

[0037] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A material injection mechanism for a plastic mold comprising a backing plate (9), characterized in that: A fixing block (6) is fixedly connected to the top right of the pad (9). A first motor (7) is fixedly connected to the top of the fixing block (6). A gear (31) is fixedly connected to the output end of the first motor (7). A rack (8) is meshed with the rear side of the outer ring of the gear (31). A cooling box (10) is fixedly connected to the left side of the rack (8). A condensate tank (14) is fixedly connected to the front side of the cooling box (10). A first water pump (13) is fixedly connected through and fixed to the top of the condensate tank (14). A condenser tube (12) is connected through and fixed to the output end. A cooling plate (11) is provided through and on one side of the outer ring of the condenser tube (12). A U-shaped plate (1) is fixedly connected to the top of the pad (9). Straight plates (5) are fixedly connected to the left and right sides of the inner wall of the U-shaped plate (1). A lower mold (4) is fixedly connected to the opposite side of the two straight plates (5). An upper mold (3) is provided on the top of the lower mold (4). Two cylinders (2) are fixedly connected to the top of the inner wall of the U-shaped plate (1). A cleaning component is provided on the top of the upper mold (3).

2. The injection mechanism for plastic mold according to claim 1, wherein: The cleaning assembly includes a storage tank (15), the upper mold (3) is fixedly connected to the storage tank (15), a second motor (20) is fixedly connected at the center of the top of the storage tank (15), the output end of the second motor (20) passes through the storage tank (15) and is fixedly connected to a rotating shaft (25), a uniformly distributed stirring rod (26) is fixedly connected to the outer ring of the rotating shaft (25), a scraper (29) is fixedly connected to one side of the outer ring of the rotating shaft (25), a booster pump (19) passes through and is fixedly connected to the left side of the top of the storage tank (15), a water tank (18) is fixedly connected to the rear side of the outer wall of the storage tank (15), a second water pump (17) passes through and is fixedly connected to the top of the water tank (18), a delivery pipe (16) passes through and is fixedly connected to the output end of the second water pump (17), a heating copper pipe (23) is provided inside the wall of the storage tank (15), and heating heads (24) are provided at both ends of the heating copper pipe (23).

3. The injection mechanism for plastic mold according to claim 1, wherein: The left side of the fixed block (6) is fixedly connected to a slide rail (30), and a rack (8) is slidably connected between the inner walls of the slide rail (30).

4. The injection mechanism for plastic mold according to claim 1, wherein: The cooling box (10) is provided with a condenser pipe (12) on its outer wall, and the other end of the condenser pipe (12) is connected to a condensate tank (14).

5. The injection mechanism for a plastic mold according to claim 2, wherein: The upper mold (3) is fixedly connected to the output end of the two cylinders (2).

6. The injection mechanism for plastic mold according to claim 2, wherein: The bottom of the storage tank (15) is connected to a second solenoid valve (27), the bottom of the second solenoid valve (27) is connected to a discharge pipe (28), and the bottom of the discharge pipe (28) is connected to an upper mold (3).

7. The injection mechanism for a plastic mold according to claim 2, wherein: The storage tank (15) has a first solenoid valve (22) that is fixedly connected to the top left side, and the first solenoid valve (22) has a feed pipe (21) that is fixedly connected to the top.

8. The injection mechanism for plastic mold according to claim 2, wherein: The other end of the delivery pipe (16) is connected to a storage tank (15).