Injection molding device for plastic welding wire shaft

Abstract

The utility model relates to the technical field of injection molding devices, in particular to an injection molding device for a plastic welding wire shaft, which improves the cooling efficiency of a first mold and a second mold, reduces the cooling energy consumption, improves the convenience of taking out the welding wire shaft by personnel, and improves the working efficiency. Comprising a base and a guide rail, the first mold is installed on the guide rail in a left-right sliding mode, the second mold is fixedly installed at the top end of the base, the second mold and the first mold are oppositely arranged in a left-right mode, a feeding port is formed in the outer side wall of the second mold, and the fixed end of the push cylinder is installed at the top end of the base; the moving end of the push cylinder is connected with the outer side wall of the first mold, the ejection device is arranged on the first mold and the second mold and used for ejecting a formed welding wire shaft through the moving power of the first mold, and cavities are formed in the inner side walls of the first mold and the second mold.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding devices, in particular to an injection molding device for a plastic welding wire shaft. Background Art

[0002] The welding wire reel is used to store welding wire. It is usually made of plastic and produced by an injection molding machine. The injection molding machine is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics.

[0003] At present, when the welding wire shaft is injection molded, such as the patent with the prior art authorization announcement number CN213563970U, the utility model discloses a welding wire shaft injection molding machine with good cooling effect, including an injection molding machine and a workbench, the top of the injection molding machine is fixedly connected to the workbench, a hydraulic cylinder is arranged inside the hydraulic box, one side of the hydraulic cylinder is fixedly connected to a hydraulic rod, one end of the hydraulic rod is fixedly connected to a mold, the outer surface of the mold is fixedly connected to a condenser, a rotary groove is opened inside the mold, and a cooling groove is opened inside the mold on one side of the rotary groove.

[0004] However, during the use of the injection molding machine, it was found that the injection molding machine was not convenient for automatically demolding the welding wire shaft after the injection molding was completed, which increased the complexity of personnel removing the welding wire shaft from the mold, and the mold had a high energy consumption for cooling, which reduced the convenience of using the injection molding machine. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a plastic welding wire shaft injection molding device which improves the cooling efficiency of the first mold and the second mold, reduces cooling energy consumption, improves the convenience of personnel in taking out the welding wire shaft, and improves work efficiency.

[0006] The utility model discloses a plastic welding wire shaft injection molding device, comprising a base and a guide rail, wherein the guide rail is mounted on the top of the base; and further comprising an ejection device, a cooling device, a first mold, a second mold and a push cylinder, wherein the first mold is slidably mounted on the guide rail left and right, the second mold is fixedly mounted on the top of the base, and the second mold is arranged opposite to the first mold left and right, an outer side wall of the second mold is provided with a feed port, a fixed end of the push cylinder is mounted on the top of the base, a movable end of the push cylinder is connected to the outer side wall of the first mold, an ejection device is arranged on the first mold and the second mold, and the ejection device is used to eject the formed welding wire shaft by using the power of the first mold moving, and a cavity is arranged on the inner side walls of the first mold and the second mold, and the cavity is connected to the cooling device. The cooling device is used to cool the first mold and the second mold; the melted material is transported between the first mold and the second mold through the feed port of the second mold, and then the cooling water is transported into the chambers of the first mold and the second mold through the cooling device, and the internal materials are cooled by heat conduction between the first mold and the second mold, so that the solidification of the materials is accelerated. The first mold and the second mold are cooled by using cooling water to improve the cooling efficiency of the first mold and the second mold, and reduce the cooling energy consumption. When the first mold moves to the right to open, the welding wire shaft formed between the first mold and the second mold is ejected by the ejection device, thereby improving the convenience of personnel in taking out the welding wire shaft and improving work efficiency.

[0007] Preferably, the cooling device includes a water tank, a water pump, a shunt pipe, a first hose, a return pipe and a second hose, the water tank is installed on the inner wall of the base, the water pump input end is connected with the water tank, the shunt pipe is connected and arranged on the water pump output end, the shunt pipe output end is connected with the second mold, the bottom end of the first hose is connected with the shunt pipe, the top end of the first hose is connected with the first mold, the top end of the return pipe is connected with the second mold, the bottom end of the return pipe is connected with the water tank, the top end of the second hose is connected with the first mold, and the bottom end of the second hose is connected with the water tank; turn on the water pump to extract cold water from the water tank, and the extracted cooling water is transported to the inside of the first mold and the second mold through the shunt pipe and the first hose respectively, so that the cavities of the first mold and the second mold are filled with cooling water for cooling, thereby improving the cooling efficiency inside the first mold and the second mold, and at the same time, the cooling water in the cavities of the first mold and the second mold flows back to the water tank through the return pipe and the second hose, thereby recycling the cooling water and improving the cooling effect of the first mold and the second mold.

[0008] Preferably, the ejection device includes a fixed plate, multiple groups of first ejector pins, multiple groups of guide columns and multiple groups of second ejector pins, the fixed plate is mounted on the outer side wall of the fixed end of the push cylinder, the multiple groups of first ejector pins are mounted on the outer side wall of the fixed plate, and the ends of the multiple groups of first ejector pins extend into the first mold, the multiple groups of guide columns are mounted on the outer side wall of the first mold, the multiple groups of second ejector pins are respectively mounted on the outer side walls of the multiple groups of guide columns, and the ends of the multiple groups of second ejector pins extend into the second mold; when the first mold moves to the right and opens, the multiple groups of fixed plates pass through the first mold to support and limit the welding wire shaft, thereby preventing the welding wire shaft from sticking to the first mold, and after the first mold moves to the right, the multiple groups of guide columns drive the multiple groups of second ejector pins to move to the right, so that the multiple groups of second ejector pins eject the welding wire shaft in the second mold outward, thereby preventing the welding wire shaft from sticking to the second mold, and improving the convenience of taking out the welding wire shaft.

[0009] Preferably, it also includes multiple groups of air ducts, which all pass through the interior of the water tank; by allowing air to flow through the multiple groups of air ducts, the air cools down the multiple groups of air ducts, and the multiple groups of air ducts cool down the cooling water in the water tank, thereby improving the convenience of cooling the cooling water.

[0010] Preferably, it also includes a cover body and a fan, the cover body is installed on the outer wall of the water tank, and multiple sets of fans are installed on the outer wall of the cover body; multiple sets of fans blow air into multiple sets of air ducts to improve the air flow effect in the multiple sets of air ducts, improve the cooling efficiency of the multiple sets of air ducts on cooling water, and reduce the energy consumption of cooling water.

[0011] Preferably, it also includes a kit, which is installed on the outer side wall of the second mold, and multiple groups of guide columns all slide through the inside of the kit; the sliding guide support of the guide columns by the kit improves the stability of the use of the multiple groups of guide columns.

[0012] Preferably, it also includes a protective net, which is installed at the opening of the cover body; by providing the protective net, the protective effect of the multiple sets of fans is improved.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the melted material is conveyed to between the first mold and the second mold through the feed port of the second mold, and then cooling water is conveyed to the chambers of the first mold and the second mold through the cooling device, and the internal material is cooled by heat conduction between the first mold and the second mold, thereby accelerating the solidification of the material, and the first mold and the second mold are cooled by using cooling water to improve the cooling efficiency of the first mold and the second mold, and reduce the cooling energy consumption, and when the first mold moves to the right to open, the welding wire shaft formed between the first mold and the second mold is ejected by the ejection device, thereby improving the convenience of personnel in taking out the welding wire shaft and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric structure of the connection between the base and the guide rail;

[0016] Figure 3 It is an axonometric structural diagram of the connection between the water tank and the air duct, etc.;

[0017] Figure 4 It is a schematic diagram of the axonometric local structure of the connection between the guide column and the second ejector pin, etc.;

[0018] Figure 5 It is an isometric partial structural diagram of the connection between the first mold and the second hose.

[0019] Markings in the attached drawings: 1. base; 2. guide rail; 3. first mold; 4. second mold; 5. push cylinder; 6. water tank; 7. water pump; 8. shunt pipe; 9. first hose; 10. return pipe; 11. second hose; 12. fixing plate; 13. first ejector pin; 14. guide column; 15. second ejector pin; 16. air duct; 17. cover; 18. fan; 19. kit; 20. protective net. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example

[0021] like Figures 1 to 5 As shown, a plastic welding wire shaft injection molding device of the utility model comprises a base 1 and a guide rail 2, wherein the guide rail 2 is mounted on the top of the base 1; and further comprises an ejection device, a cooling device, a first mold 3, a second mold 4 and a push cylinder 5, wherein the first mold 3 is slidably mounted on the guide rail 2 left and right, the second mold 4 is fixedly mounted on the top of the base 1, and the second mold 4 is arranged opposite to the first mold 3 left and right, and a feed port is arranged on the outer side wall of the second mold 4, a fixed end of the push cylinder 5 is mounted on the top of the base 1, and a movable end of the push cylinder 5 is connected to the outer side wall of the first mold 3, an ejection device is arranged on the first mold 3 and the second mold 4, and the ejection device is used to eject the formed welding wire shaft by using the power of the first mold 3 moving, and a chamber is arranged on the inner side walls of the first mold 3 and the second mold 4, and the chamber is connected to the cooling device, and the cooling device is used to cool the first mold 3 and the second mold 4;

[0022] like Figure 2 and Figure 3As shown, the cooling device includes a water tank 6, a water pump 7, a shunt pipe 8, a first hose 9, a return pipe 10 and a second hose 11. The water tank 6 is installed on the inner wall of the base 1. The input end of the water pump 7 is connected to the water tank 6. The shunt pipe 8 is connected and arranged on the output end of the water pump 7. The output end of the shunt pipe 8 is connected to the second mold 4. The bottom end of the first hose 9 is connected to the shunt pipe 8. The top end of the first hose 9 is connected to the first mold 3. The top end of the return pipe 10 is connected to the second mold 4. The bottom end of the return pipe 10 is connected to the water tank 6. The top end of the second hose 11 is connected to the first mold 3. The bottom end of the second hose 11 is connected to the water tank 6.

[0023] In this embodiment, the melted material is conveyed to between the first mold 3 and the second mold 4 through the feed port of the second mold 4, and then cooling water is conveyed to the chambers of the first mold 3 and the second mold 4 through the cooling device, and the internal material is cooled by heat conduction between the first mold 3 and the second mold 4, so that the solidification of the material is accelerated. The first mold 3 and the second mold 4 are cooled by using cooling water to improve the cooling efficiency of the first mold 3 and the second mold 4, and reduce the cooling energy consumption. When the first mold 3 moves to the right to open, the welding wire shaft formed between the first mold 3 and the second mold 4 is ejected by the ejection device, thereby improving the convenience of personnel in taking out the welding wire shaft and improving work efficiency. Example

[0024] On the basis of Example 1, Figure 4 As shown, a plastic welding wire shaft injection molding device of the utility model, the ejection device includes a fixed plate 12, multiple groups of first ejector pins 13, multiple groups of guide columns 14 and multiple groups of second ejector pins 15, the fixed plate 12 is installed on the outer side wall of the fixed end of the push cylinder 5, the multiple groups of first ejector pins 13 are installed on the outer side wall of the fixed plate 12, and the ends of the multiple groups of first ejector pins 13 extend into the first mold 3, the multiple groups of guide columns 14 are installed on the outer side wall of the first mold 3, the multiple groups of second ejector pins 15 are respectively installed on the outer side walls of the multiple groups of guide columns 14, and the ends of the multiple groups of second ejector pins 15 extend into the second mold 4;

[0025] like Figure 3 As shown, it also includes a plurality of groups of air ducts 16, and the plurality of groups of air ducts 16 all pass through the interior of the water tank 6;

[0026] like Figure 4 As shown, it also includes a cover 17 and a fan 18, the cover 17 is installed on the outer wall of the water tank 6, and multiple sets of fans 18 are installed on the outer wall of the cover 17;

[0027] like Figure 2 As shown, it also includes a set 19, which is installed on the outer side wall of the second mold 4, and multiple sets of guide columns 14 all slide through the inside of the set 19;

[0028] like Figure 1As shown, it also includes a protective net 20, which is mounted on the opening of the cover body 17;

[0029] In this embodiment, the water pump 7 is turned on to extract the cold water in the water tank 6, and the extracted cooling water is transported to the first mold 3 and the second mold 4 through the shunt pipe 8 and the first hose 9, respectively, so that the chambers of the first mold 3 and the second mold 4 are filled with cooling water for cooling, thereby improving the cooling efficiency inside the first mold 3 and the second mold 4. At the same time, the cooling water in the chambers of the first mold 3 and the second mold 4 flows back to the water tank 6 through the return pipe 10 and the second hose 11, thereby recycling the cooling water and improving the cooling effect of the first mold 3 and the second mold 4. When the first mold 3 moves to the right and opens, multiple groups of fixing plates 12 pass through the first mold 3 to support and limit the welding wire shaft, thereby avoiding the welding wire shaft from adhering to the first mold 3. After the first mold 3 moves to the right, multiple groups of guide columns 14 drive multiple groups of second ejectors 15 to move to the right, thereby causing multiple groups of second ejectors 15 to eject the welding wire shaft in the second mold 4 outward, thereby avoiding the welding wire shaft from adhering to the second mold 4 and improving the convenience of removing the welding wire shaft.

[0030] The utility model discloses a plastic welding wire shaft injection molding device, which, when working, conveys the melted material to between the first mold 3 and the second mold 4 through the feeding port of the second mold 4, then conveys cooling water to the chambers of the first mold 3 and the second mold 4 through the cooling device, cools the internal material through the heat conduction between the first mold 3 and the second mold 4, and when the first mold 3 moves to the right to open, the welding wire shaft formed between the first mold 3 and the second mold 4 is ejected through the ejection device.

[0031] The push cylinder 5, water pump 7 and fan 18 of the plastic welding wire shaft injection molding device of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual without the need for creative labor by technicians in the field.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A plastic welding wire shaft injection molding device, comprising a base (1) and a guide rail (2), wherein the guide rail (2) is mounted on the top of the base (1); characterized in that: The invention also comprises an ejection device, a cooling device, a first mold (3), a second mold (4) and a push cylinder (5); the first mold (3) is slidably mounted on the guide rail (2) left and right; the second mold (4) is fixedly mounted on the top of the base (1); the second mold (4) and the first mold (3) are arranged opposite to each other left and right; a feed port is arranged on the outer side wall of the second mold (4); a fixed end of the push cylinder (5) is mounted on the top of the base (1); a movable end of the push cylinder (5) is connected to the outer side wall of the first mold (3); the ejection device is arranged on the first mold (3) and the second mold (4); the ejection device is used to eject the formed welding wire shaft by using the power of the movement of the first mold (3); a chamber is arranged on the inner side walls of the first mold (3) and the second mold (4); the chamber is connected to the cooling device; and the cooling device is used to cool the first mold (3) and the second mold (4).

2. A plastic welding wire shaft injection molding device as claimed in claim 1, characterized in that: The cooling device comprises a water tank (6), a water pump (7), a shunt pipe (8), a first hose (9), a return pipe (10) and a second hose (11); the water tank (6) is mounted on the inner side wall of the base (1); the input end of the water pump (7) is connected to the inside of the water tank (6); the shunt pipe (8) is arranged on the output end of the water pump (7); the output end of the shunt pipe (8) is connected to the second mold (4); the bottom end of the first hose (9) is connected to the shunt pipe (8); the top end of the first hose (9) is connected to the first mold (3); the top end of the return pipe (10) is connected to the second mold (4); the bottom end of the return pipe (10) is connected to the water tank (6); the top end of the second hose (11) is connected to the first mold (3); and the bottom end of the second hose (11) is connected to the water tank (6).

3. A plastic welding wire shaft injection molding device as claimed in claim 1, characterized in that: The ejection device comprises a fixed plate (12), a plurality of groups of first ejector pins (13), a plurality of groups of guide columns (14) and a plurality of groups of second ejector pins (15); the fixed plate (12) is mounted on the outer side wall of the fixed end of the push cylinder (5); the plurality of groups of first ejector pins (13) are mounted on the outer side wall of the fixed plate (12), and the ends of the plurality of groups of first ejector pins (13) extend into the interior of the first mold (3); the plurality of groups of guide columns (14) are mounted on the outer side wall of the first mold (3); the plurality of groups of second ejector pins (15) are respectively mounted on the outer side walls of the plurality of groups of guide columns (14), and the ends of the plurality of groups of second ejector pins (15) extend into the interior of the second mold (4).

4. A plastic welding wire shaft injection molding device as claimed in claim 2, characterized in that: It also includes a plurality of groups of air ducts (16), and the plurality of groups of air ducts (16) all pass through the interior of the water tank (6).

5. A plastic welding wire shaft injection molding device as claimed in claim 2, characterized in that: It also includes a cover body (17) and a fan (18), wherein the cover body (17) is mounted on the outer side wall of the water tank (6), and the plurality of sets of fans (18) are mounted on the outer side wall of the cover body (17).

6. A plastic welding wire shaft injection molding device as claimed in claim 1, characterized in that: It also includes a kit (19), which is mounted on the outer side wall of the second mold (4), and multiple groups of guide columns (14) slide through the inside of the kit (19).

7. A plastic welding wire shaft injection molding device as claimed in claim 5, characterized in that: It also includes a protective net (20), which is mounted on the opening of the cover body (17).

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