High-efficiency shoe production injection molding machine

Abstract

The utility model discloses a high-efficiency shoe production injection molding machine which comprises a base, a support plate is fixed above the base, a lower mold is mounted above the support plate, a cooling mechanism is arranged below the support plate, a positioning hole is formed above the lower mold, a material ejection mechanism is arranged below the lower mold, and the material ejection mechanism is connected with the support plate. First hydraulic cylinders are installed on the two sides of the upper portion of the base. According to the high-efficiency shoe production injection molding machine, through cooperative use of the cooling mechanism, after injection molding of a plastic product is completed, cooling water is driven to circulate in the cooling pipe through arrangement of a water pump, rapid cooling of the interior of the lower mold is achieved, and therefore shaping of the product is accelerated, and the shoe production efficiency is improved; according to the water cooling device, deformation and stress concentration of products are reduced, the size precision and consistency of the products are improved, meanwhile, water circularly flows in the flow channel, cooling treatment is conducted on the water in cooperation with the arrangement of the cooling fins and the fan, and the cooling effect is ensured.

Description

Technical Field

[0001] This utility model relates to the technical field of injection molding machines, specifically a high-efficiency shoe production injection molding machine. Background Technology

[0002] Shoes are an indispensable part of daily life, worn on the feet to protect them and facilitate walking. Injection molding machines are commonly used equipment in footwear manufacturing, especially suitable for producing injection molded shoes. Injection molded shoes are footwear products made through injection molding. Their soles are usually made of plastic materials such as PVC, TPR, or PU. Under certain temperature and pressure, the plastic material is injected into a mold by an injection molding machine to form the shoe.

[0003] However, existing injection molding machines have low cooling efficiency after molding and require a long cooling time to cool the finished product. Therefore, this application provides a high-efficiency shoe production injection molding machine to meet the needs. Utility Model Content

[0004] The purpose of this invention is to provide a high-efficiency shoe manufacturing injection molding machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency shoe production injection molding machine, comprising a base, a support plate fixed above the base, a lower mold mounted above the support plate, a cooling mechanism disposed below the support plate, a positioning hole opened above the lower mold, an ejector mechanism disposed below the lower mold, first hydraulic cylinders mounted on both sides above the base, a first piston rod mounted above the first hydraulic cylinder, a limit plate fixed above the first piston rod, an upper mold mounted below the limit plate, and positioning pins fixed on both sides below the upper mold;

[0006] The cooling mechanism includes a radiator, a water pump, a connecting pipe, a cooling pipe, a flow channel, heat dissipation fins, and a fan. The radiator is fixed to both sides below the support plate. A water pump is installed on one side of the radiator, a connecting pipe is installed on one side of the water pump, and a cooling pipe is installed at one end of the connecting pipe. A flow channel is installed inside the radiator, and heat dissipation fins are installed outside the flow channel. Fans are installed on both sides below the radiator.

[0007] Preferably, the cooling pipe is installed inside the lower mold, and the cooling pipe is made of brass.

[0008] Preferably, the heat dissipation fins are evenly distributed on the outer side of the flow channel, and the heat dissipation fins are used in conjunction with the fan.

[0009] Preferably, the ejector mechanism includes a fixed plate, a cylinder, a telescopic rod, and an ejector pin. The fixed plate is disposed below the lower mold, the cylinder is mounted above the fixed plate, the telescopic rod is mounted above the cylinder, and the ejector pin is fixed above the telescopic rod.

[0010] Preferably, the ejector pins form a telescopic structure with the lower mold via a telescopic rod, and two ejector pins are provided.

[0011] Preferably, a fixing frame is fixed above the limiting plate, a material cylinder is installed inside the fixing frame, a second hydraulic cylinder is installed above the material cylinder, and a second hydraulic rod is installed below the second hydraulic cylinder.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This high-efficiency shoe injection molding machine, through the use of a cooling mechanism, after the plastic product injection molding is completed, uses a water pump to drive cooling water to circulate inside the cooling pipe, thereby achieving rapid cooling of the lower mold, accelerating product shaping, improving shoe production efficiency, helping to reduce product deformation and stress concentration, and improving product dimensional accuracy and consistency. At the same time, the water circulates inside the flow channel, and with the help of heat dissipation fins and fans, the water is cooled to ensure the cooling effect.

[0014] 2. This high-efficiency shoe production injection molding machine, through the setting of the ejector mechanism, positioning holes and positioning pins, and the setting of the ejector pins can speed up the efficiency of removing finished products, shorten the removal time of injection molded parts, and further improve the efficiency of shoe production. The setting of positioning holes and positioning pins can ensure the accuracy of the closure between the lower mold and the upper mold and avoid processing errors. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of the lower mold of this utility model;

[0017] Figure 3 This is a schematic diagram of the cooling mechanism of this utility model;

[0018] Figure 4 This is a schematic diagram of the top material feeding mechanism of this utility model;

[0019] Figure 5 This is a schematic diagram of the upper mold of this utility model.

[0020] In the diagram: 1. Base; 2. Support plate; 3. Lower mold; 4. Cooling mechanism; 401. Cooling radiator; 402. Water pump; 403. Connecting pipe; 404. Cooling pipe; 405. Flow channel; 406. Heat dissipation fins; 407. Fan; 5. Positioning hole; 6. Ejector mechanism; 601. Fixing plate; 602. Cylinder; 603. Telescopic rod; 604. Ejector pin; 7. First hydraulic cylinder; 8. First piston rod; 9. Limiting plate; 10. Fixing frame; 11. Material cylinder; 12. Second hydraulic cylinder; 13. Second hydraulic rod; 14. Upper mold; 15. Positioning pin. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-5 This utility model provides a technical solution: a high-efficiency shoe production injection molding machine, including a base 1, a support plate 2 fixed above the base 1, a lower mold 3 mounted above the support plate 2, a cooling mechanism 4 arranged below the support plate 2, a positioning hole 5 opened above the lower mold 3, and an ejector mechanism 6 arranged below the lower mold 3. The ejector mechanism 6 includes a fixed plate 601, a cylinder 602, a telescopic rod 603, and an ejector pin 604. The fixed plate 601 is located below the lower mold 3, the cylinder 602 is mounted above the fixed plate 601, the telescopic rod 603 is mounted above the cylinder 602, and the ejector pin 604 is fixed above the telescopic rod 603. This can speed up the removal of finished products and further improve the efficiency of shoe production. The ejector pin 604 is connected to the lower mold 3 through the telescopic rod 603. The structure is telescopic, with two ejector pins 604. When molding is complete, the switch of cylinder 602 is turned on to drive the ejector pins 604 to remove the injection molded product. A first hydraulic cylinder 7 is installed on both sides above the base 1. A first piston rod 8 is installed above the first hydraulic cylinder 7. A limit plate 9 is fixed above the first piston rod 8. A fixing frame 10 is fixed above the limit plate 9. A material cylinder 11 is installed inside the fixing frame 10. A second hydraulic cylinder 12 is installed above the material cylinder 11. A second hydraulic rod 13 is installed below the second hydraulic cylinder 12. Plastic raw material is injected into the material cylinder 11. The plastic material is squeezed into the upper mold 14 by the second hydraulic cylinder 12 to complete the shoe molding. The upper mold 14 is installed below the limit plate 9. Positioning pins 15 are fixed on both sides below the upper mold 14.

[0023] Please see Figure 2-3The cooling mechanism 4 includes a radiator 401, a water pump 402, a connecting pipe 403, a cooling pipe 404, a flow channel 405, heat dissipation fins 406, and a fan 407. The radiator 401 is fixed to both sides below the support plate 2. The water pump 402 is installed on one side of the radiator 401, and the connecting pipe 403 is installed on the other side of the water pump 402. The cooling pipe 404 is installed at one end of the connecting pipe 403. The cooling pipe 404 is installed inside the lower mold 3 and is made of brass. The water pump 402 drives the cooling water to circulate inside the cooling pipe 404, thereby achieving rapid cooling of the interior of the lower mold 3. This accelerates product finalization, improves shoe production efficiency, helps reduce product deformation and stress concentration, and improves product dimensional accuracy and consistency. The inner side of the radiator 401 is equipped with a flow channel 405, and the outer side of the flow channel 405 is equipped with heat dissipation fins 406. The heat dissipation fins 406 are evenly distributed on the outer side of the flow channel 405. The heat dissipation fins 406 work in conjunction with the fan 407. Water circulates inside the flow channel 405. With the arrangement of the heat dissipation fins 406 and the fan 407, the water is cooled to ensure the cooling effect. Fans 407 are installed on both sides below the radiator 401.

[0024] Working principle: When using this high-efficiency shoe production injection molding machine, first connect the external power supply, then turn on the switch of the first hydraulic cylinder 7 to drive the limit plate 9 to descend, causing the upper mold 14 and the lower mold 3 to close, and inject the plastic raw material into the barrel 11. The second hydraulic cylinder 12 extrudes the plastic material into the upper mold 14 to complete the shoe molding. Next, the water pump 402 drives the cooling water to circulate inside the cooling pipe 404 to achieve rapid cooling of the lower mold 3, thereby accelerating the product setting and improving shoe production efficiency. Finally, when the molding is completed, turn on the switch of the cylinder 602 to drive the ejector pin 604 to remove the injection molded product, thereby speeding up the removal efficiency of the finished product. When the device is not in use, turn off the external power supply of the device. In this way, the use process of the high-efficiency shoe production injection molding machine is completed.

[0025] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high efficiency shoe production injection molding machine comprising a base (1), characterized in that: The upper side of the base (1) is fixed with a support plate (2), the upper side of the support plate (2) is installed with a lower mold (3), the lower side of the support plate (2) is provided with a cooling mechanism (4), the upper side of the lower mold (3) is provided with a positioning hole (5), the lower side of the lower mold (3) is provided with a material ejecting mechanism (6), the upper side of the base (1) is installed with a first hydraulic cylinder (7) on both sides, the upper side of the first hydraulic cylinder (7) is installed with a first piston rod (8), the upper side of the first piston rod (8) is fixed with a limiting plate (9), the lower side of the limiting plate (9) is installed with an upper mold (14), the lower side of the upper mold (14) is fixed with a positioning column (15) on both sides. The cooling mechanism (4) comprises a cooling row (401), a water pump (402), a connecting pipe (403), a cooling pipe (404), a flow channel (405), a heat dissipation fin (406) and a fan (407), the cooling row (401) is fixed on the lower side of the support plate (2) on both sides, one side of the cooling row (401) is installed with the water pump (402), one side of the water pump (402) is installed with the connecting pipe (403), one end of the connecting pipe (403) is installed with the cooling pipe (404), the inner side of the cooling row (401) is installed with the flow channel (405), the outer side of the flow channel (405) is installed with the heat dissipation fin (406), the lower side of the cooling row (401) is installed with the fan (407) on both sides.

2. A high efficiency shoe production injection molding machine as defined in claim 1, wherein, The cooling pipe (404) is installed in the lower mold (3), and the cooling pipe (404) is made of brass.

3. The high efficiency shoe production injection molding machine of claim 1, wherein, The heat dissipation fins (406) are distributed at equal intervals on the outer side of the flow channel (405), and the heat dissipation fins (406) are used in cooperation with the fan (407).

4. The high efficiency shoe production injection molding machine of claim 1, wherein, The material ejecting mechanism (6) comprises a fixed plate (601), an air cylinder (602), a telescopic rod (603) and a ejector pin (604), the fixed plate (601) is arranged below the lower mold (3), the upper side of the fixed plate (601) is installed with the air cylinder (602), the upper side of the air cylinder (602) is installed with the telescopic rod (603), and the upper side of the telescopic rod (603) is fixed with the ejector pin (604).

5. A high efficiency shoe production injection molding machine as defined in claim 4 wherein, The ejector pin (604) and the lower mold (3) constitute a telescopic structure through the telescopic rod (603), and the ejector pin (604) is provided with two.

6. The high efficiency shoe production injection molding machine of claim 1, wherein, The upper side of the limiting plate (9) is fixed with a fixed frame (10), the inside of the fixed frame (10) is installed with a barrel (11), the upper side of the barrel (11) is installed with a second hydraulic cylinder (12), and the lower side of the second hydraulic cylinder (12) is installed with a second hydraulic rod (13).

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