Plastic water pipe injection molding machine
By introducing cooling components and a mold changing structure into the plastic water pipe injection molding machine, the problem of uneven cooling of plastic water pipes was solved, achieving uniform cooling and rapid mold changing, thus improving production efficiency.
Patent Information
- Application Number
- CN202520341945.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing injection molding machines typically use single-sided cooling on the outside, resulting in inadequate cooling on the other side of the plastic water pipe.
A plastic water pipe injection molding machine was designed, which includes a cooling component including a water tank, a water pipe and a water pump. The water pipe and water pump cool both sides of the mold to ensure uniform cooling of the plastic water pipe. The machine also features a special-shaped rod and a threaded rod structure to facilitate the replacement of molds with different diameters.
This achieves uniform cooling of the plastic water pipes, shortens mold changeover time, and improves production efficiency.
Smart Images

Figure CN223803053U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection molding field especially relates to a plastic water pipe injection molding machine. BACKGROUND
[0002] Plastic water pipes are widely used in water supply pipe fields, and are generally processed and formed by using injection molding machines. However, the existing injection molding machines usually adopt outside single-side cooling, and the other side of the plastic water pipe cannot be uniformly cooled, so the cooling effect of the plastic water pipe is not ideal.
[0003] Therefore, it is urgent to design a plastic water pipe injection molding machine capable of uniformly cooling the plastic water pipe. UTILITY MODEL CONTENTS
[0004] In order to overcome the shortcomings of the existing injection molding machines that usually adopt outside single-side cooling, and the other side of the plastic water pipe cannot be uniformly cooled, so the cooling effect of the plastic water pipe is not ideal, the technical problem is to provide a plastic water pipe injection molding machine capable of uniformly cooling the plastic water pipe.
[0005] The technical scheme is as follows: a plastic water pipe injection molding machine comprises a shell, a feeding pipe, a motor, a screw rod, a heating plate, a mold, a special-shaped rod, a threaded rod, a clamping plate, and a cooling assembly. The feeding pipe is embedded and welded inside the front side of the shell. The motor is fixedly connected to the middle part of the front side of the shell through bolts. The screw rod is connected to the output shaft of the motor. The heating plate is welded to the middle part of the rear side of the shell. The screw rod is located in the heating plate. The special-shaped rods are welded to the left and right sides of the rear side of the heating plate. The clamping plates are slidably connected to the special-shaped rods. The mold is placed between the inner sides of the two clamping plates. The threaded rods are connected to the outer sides of the two clamping plates. The special-shaped rods and the threaded rods are threadedly connected. The cooling assembly is installed at the lower part of the rear side of the shell.
[0006] Preferably, the cooling assembly comprises a water tank, water pipes, a water pump, and guide plates. The water tank is placed at the lower part of the rear side of the shell. The water pipes are embeddedly connected to the left and right sides of the water tank. The water pump is placed at the bottom of the inner wall of the water tank. The lower parts of the two water pipes are communicated with the water pump. The upper parts of the two water pipes are connected with the guide plates. The water pipes are communicated with the guide plates. The guide plates are located at the left and right sides of the mold.
[0007] Preferably, a support is installed at the middle part of the rear side of the shell, which can support the heating plate.
[0008] Preferably, the feeding pipe is installed obliquely, so that the raw materials in the feeding pipe can quickly slide into the heating plate.
[0009] Preferably, the clamping plate has a certain elasticity, so that the clamping plate can quickly adapt to molds with different diameters.
[0010] Preferably, handles are installed on the outer sides of the threaded rods, so that workers can quickly rotate the threaded rods through the handles.
[0011] The beneficial effects of this utility model are: 1. This utility model can quickly cool both sides of the mold through the water pipe and water tank pump, so that both sides of the plastic water pipe are cooled evenly.
[0012] 2. This utility model, through its irregularly shaped rod, threaded rod, and clamping plate, allows for the replacement of molds of different diameters as needed, thereby effectively shortening the time workers spend changing molds. Attached Figure Description
[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0014] Figure 2 This is a three-dimensional sectional view of part of the present utility model.
[0015] Figure 3 This is a three-dimensional structural diagram of part of this utility model.
[0016] The components in the diagram are labeled as follows: 1. Outer shell, 2. Feed pipe, 3. Motor, 4. Screw rod, 5. Heating plate, 6. Mold, 7. Irregular rod, 8. Threaded rod, 9. Clamping plate, 10. Water tank, 11. Water supply pipe, 12. Water pump, 13. Guide plate. Detailed Implementation
[0017] The above-described solution will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of this application. The implementation conditions used in the embodiments may be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not specified are generally those in routine experiments. Example 1
[0018] A plastic water pipe injection molding machine, such as Figure 1 , Figure 2 and Figure 3As shown, including a shell 1, feed pipe 2, motor 3, screw rod 4, heating plate 5, mold 6, special-shaped rod 7, threaded rod 8, clamping plate 9 and cooling assembly, the middle of the rear side of the shell 1 is provided with a support, which can support the heating plate 5, the feed pipe 2 is embedded and welded in the front side of the shell 1, the feed pipe 2 is inclined to make the raw materials in the feed pipe 2 quickly slide into the heating plate 5, the motor 3 is bolted on the middle of the front side of the shell 1, the output shaft of the motor 3 is connected with the screw rod 4, the heating plate 5 is welded on the middle of the rear side of the shell 1, the screw rod 4 is located in the heating plate 5, the special-shaped rods 7 are welded on the left and right sides of the rear side of the heating plate 5, the clamping plates 9 are slidingly connected on the two special-shaped rods 7, the mold 6 is placed between the inner sides of the two clamping plates 9, the clamping plates 9 have a certain elasticity, so that the clamping plates 9 can quickly adapt to the mold 6 with different pipe diameters, the threaded rods 8 are connected on the outer sides of the two clamping plates 9, the special-shaped rods 7 and the threaded rods 8 are threadedly connected, the handles are installed on the outer sides of the threaded rods 8, the workers can quickly rotate the threaded rods 8 through the handles, and the cooling assembly is installed on the lower rear side of the shell 1.
[0019] As shown in Figure 1 , Figure 2 and Figure 3 , the cooling assembly includes a water tank 10, a water pipe 11, a water pump 12 and a material guide plate 13, the water tank 10 is placed on the lower rear side of the shell 1, the water pipes 11 are embeddedly connected on the left and right sides of the water tank 10, the water pump 12 is placed on the bottom inner wall of the water tank 10, the lower parts of the two water pipes 11 are communicated with the water pump 12, the material guide plates 13 are connected on the upper parts of the two water pipes 11, the water pipes 11 are communicated with the material guide plates 13, and the two material guide plates 13 are located on the left and right sides of the mold 6.
[0020] When the worker needs to inject the plastic pipe, the worker can put the raw material into the feeding pipe 2, the raw material in the feeding pipe 2 will slide into the heating plate 5, at this time the worker can start the motor 3 and the heating plate 5, the output shaft of the motor 3 rotates to make the screw rod 4 rotate, the screw rod 4 rotates to convey the raw material into the heating plate 5, the heating plate 5 will quickly melt the raw material, the melted raw material will be conveyed into the mold 6, the raw material will be shaped in the mold 6, the raw material after the mold 6 is made into a plastic water pipe, at this time the worker can pour an appropriate amount of water into the water tank 10, the worker can start the water pump 12, the water pump 12 will pump the water in the water tank 10 into the water conveying pipe 11, the water in the water conveying pipe 11 will be sprayed onto the mold 6 for cooling work, the guide plate 13 will guide the water cooled by the mold 6 into the water tank 10, so that the rapid cooling of the plastic pipe can be realized, when the worker temporarily does not need to cool the mold 6, the worker can close the water pump 12, when the worker needs to make different pipe diameter plastic pipes, the worker can rotate the threaded rod 8, the threaded rod 8 rotates to make the clamping plate 9 slide outward on the special-shaped rod 7, at this time the worker can manually replace the mold 6 between the clamping plate 9, after the worker replaces the mold 6, the worker can reset the threaded rod 8, the threaded rod 8 rotates to make the clamping plate 9 slide inward on the special-shaped rod 7 to reset, the clamping plate 9 will clamp the mold 6, so that the worker can quickly replace the mold 6 of different pipe diameters according to the output needs, when the worker temporarily does not need to melt the raw material, the worker can close the motor 3 and the heating plate 5.
[0021] The skilled in the art should understand that the above embodiments do not limit the utility model in any form, any technical solution obtained by equivalent replacement or equivalent transformation falls within the protection scope of the utility model.
Claims
1. A plastic water pipe injection molding machine characterized by, The utility model provides a kind of extrusion molding machine, including shell (1), feed pipe (2), motor (3), screw rod (4), heating plate (5), mould (6), special-shaped rod (7), threaded rod (8), clamping plate (9) and cooling assembly, shell (1) front side inside embedded welding has feed pipe (2), shell (1) front side middle part is bolted with motor (3), the output shaft of motor (3) is connected with screw rod (4), shell (1) rear side middle part is welded with heating plate (5), screw rod (4) is located in heating plate (5), heating plate (5) rear side left and right two parts are welded with special-shaped rod (7), two special-shaped rods (7) are slidably connected with clamping plate (9), two clamping plates (9) inside are placed with mould (6), and the inside of two clamping plates (9) is connected with threaded rod (8), and special-shaped rod (7) and threaded rod (8) are threadedly connected, and the rear side lower part of shell (1) is installed with cooling assembly.
2. A plastic water pipe injection molding machine according to claim 1, wherein Cooling assembly includes water tank (10), water delivery pipe (11), water pump (12) and material guide plate (13), shell (1) rear side lower part is placed with water tank (10), and water tank (10) left and right sides are embeddedly connected with water delivery pipe (11), and water pump (12) is placed on the inner wall bottom of water tank (10), and the lower part of two water delivery pipes (11) is communicated with water pump (12), and the upper part of two water delivery pipes (11) is connected with material guide plate (13), and water delivery pipe (11) is communicated with material guide plate (13), and two material guide plates (13) are located on the left and right sides of mould (6).
3. A plastic water pipe injection molding machine according to claim 1, wherein Shell (1) rear side middle part is installed with support, and the support can support heating plate (5).
4. A plastic water pipe injection molding machine according to claim 1, wherein Feed pipe (2) is installed obliquely, so that raw materials in feed pipe (2) quickly slide into heating plate (5).
5. A plastic water pipe injection molding machine according to claim 1, wherein Clamping plate (9) has a certain elasticity inside, so that clamping plate (9) can quickly adapt to mould (6) of different pipe diameters.
6. A plastic water pipe injection molding machine according to claim 1, wherein Threaded rod (8) is installed with handle outside, and workers can quickly rotate threaded rod (8) through handle.