Plastic liner shaping device

Abstract

The utility model discloses a plastic inner container shaping device which comprises a frame body, a pressing air cylinder, an upper mold assembly, a lower mold assembly and a shaping sleeve assembly. Through mutual cooperation of a pressing air cylinder, an upper mold assembly, a lower mold assembly and a shaping sleeve assembly, after plastic liner fibers are placed in the mold to be stabilized, injection molding is conducted through an injection molding pipe, the plastic liner fibers serve as an inner core, the temperature of the liner obtained after injection molding is high, and cold air is injected into a shaping sleeve; when cold air enters the inner container, accelerated cooling is conducted on the interior of the inner container, so that the cold air flows in the inner container, the interior of the inner container is rapidly cooled, meanwhile, cooling water is injected into cooling water pipelines arranged in the upper mold and the lower mold, and the exterior of the inner container in the upper mold and the lower mold is cooled through circular flowing of the cooling water; and the shaping of the liner is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of shaping machines, in particular to a plastic liner shaping device. Background Art

[0002] In the actual use process of steel liquefied petroleum gas welded cylinders, safety accidents caused by irregular inspection or improper use often occur. The explosion of liquefied petroleum gas steel cylinders in accidents causes great harm. The fiber-wound plastic liner composite cylinder has excellent properties such as light weight, high strength, corrosion resistance, transparency, long service life, and low maintenance cost. It has broad application prospects in replacing traditional metal liner steel cylinders. In the production process of plastic liner, the liner needs to be finalized after injection molding.

[0003] To this end, the present application provides a plastic liner shaping device to solve the above technical problems. Utility Model Content

[0004] Purpose of the utility model: To solve the problem in the prior art of the production process of plastic liner that the liner needs to be shaped after injection molding.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A plastic liner shaping device comprises a frame and also includes:

[0007] A pressing cylinder, the pressing cylinder being fixed on the upper side of the inner wall of the frame;

[0008] An upper mold assembly, wherein the upper mold assembly is arranged at the lower end of the pressing cylinder and moves up and down following the pressing cylinder to press;

[0009] A lower mold assembly, wherein the lower mold assembly is arranged corresponding to the upper mold assembly;

[0010] A shaping sleeve assembly is arranged between the pressing cylinder and the upper mold assembly, and the shaping sleeve assembly penetrates the surface of the upper mold assembly to the inside thereof.

[0011] Furthermore, the upper mold assembly comprises:

[0012] An upper mold, wherein the upper mold is fixedly connected to the pressing cylinder through a shaping sleeve assembly;

[0013] A cooling water pipeline, which is evenly arranged inside the upper mold and is used to cool and solidify the liquid material;

[0014] A guide rod, wherein the upper end of the guide rod passes through the inner wall of the frame, and the lower end of the guide rod is fixedly mounted on both ends of the upper mold.

[0015] Furthermore, the lower mold assembly comprises:

[0016] A lower mold, wherein the lower mold is arranged to correspond to the upper mold in size, shape and position;

[0017] A cooling water pipeline, which is evenly arranged inside the lower mold and is used to cool and solidify the liquid material;

[0018] An injection molding tube is arranged on the left side surface of the lower mold.

[0019] Furthermore, the shaping sleeve assembly comprises:

[0020] A shaping sleeve, wherein an air inlet is provided at the center of the lower surface of the shaping sleeve, and air outlets are provided on both sides of the air inlet;

[0021] An air inlet cannula, which is installed on the shaping sleeve and passes through the upper mold to the inside of the air inlet;

[0022] An air intake hose, the air intake hose is fixedly arranged at the upper end of the air intake cannula;

[0023] An air outlet pipe, the air outlet pipe passes through the left surface of the shaping sleeve to the inside of the air inlet;

[0024] An air outlet hose is installed on the air outlet pipe, and the lower end of the air outlet hose passes through the upper surface of the upper mold to the inside thereof.

[0025] Furthermore, a water tank is provided on the rear of the frame, a water pump is fixedly connected to the rear surface of the frame, the output end of the water pump passes through the upper surface of the water tank to the interior thereof, the output end of the water pump is fixedly connected to a connecting water pipe, the front surface of the connecting water pipe is fixedly connected to the rear surface of the frame, a plurality of water inlet telescopic pipes are fixedly connected to the front surface of the connecting water pipe, the input ends of the cooling water pipelines all pass through the rear side of the inner wall of the cavity to the interior of the frame, and the front ends of the water inlet telescopic pipes are fixedly connected to the input ends of the cooling water pipelines.

[0026] Furthermore, the output ends of the cooling water pipelines are fixedly connected with water outlet telescopic pipes, and the rear ends of the water outlet telescopic pipes penetrate the rear side of the inner wall of the frame to the inside of the water storage tank.

[0027] Compared with the prior art, the beneficial effects of the utility model are:

[0028] By setting the clamping cylinder, the upper mold assembly, the lower mold assembly and the shaping sleeve assembly to cooperate with each other, the plastic liner fiber is placed in and stabilized, and then injection molding is performed through the injection molding tube, with the plastic liner fiber as the inner core. The temperature of the liner after injection molding is relatively high, and cold air is injected into the shaping sleeve. When the cold air enters the liner, the interior of the liner is cooled faster, so that the cold air flows in the liner to quickly cool and shape the interior of the liner. At the same time, cooling water is injected into the cooling water pipelines set in the upper mold and the lower mold. The circulating flow of the cooling water cools the outside of the liner in the upper mold and the lower mold, thereby accelerating the shaping of the liner. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a cross-sectional view of the utility model;

[0030] Figure 2 For this utility model Figure 1 A partial enlarged view of middle A;

[0031] Figure 3 It is a partial structural schematic diagram of the utility model;

[0032] Figure 4 It is a partial structural schematic diagram of the utility model.

[0033] In the figure: 1. frame; 2. clamping cylinder; 3. upper mold; 4. guide rod; 5. operation screen; 6. shaping sleeve; 7. lower mold; 8. cooling water pipeline; 9. air inlet; 10. air inlet plug; 11. air inlet hose; 12. air outlet pipe; 13. air outlet hose; 14. air outlet; 15. water storage tank; 16. water pump; 17. connecting water pipe; 18. water inlet telescopic pipe; 20. water outlet telescopic pipe; 21. injection molding pipe. DETAILED DESCRIPTION

[0034] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0035] The applicant believes that in the prior art, in the production process of the plastic liner, the liner needs to be shaped after injection molding.

[0036] To this end, the applicant designed Figure 1-3 A plastic liner shaping device shown includes a frame 1 and also includes:

[0037] A pressing cylinder 2, which is fixed on the upper side of the inner wall of the frame 1;

[0038] The upper mold assembly is arranged at the lower end of the pressing cylinder 2, and moves up and down with the pressing cylinder 2 to press;

[0039] A lower mold assembly, the lower mold assembly is arranged corresponding to the upper mold assembly;

[0040] The shaping sleeve assembly is arranged between the pressing cylinder 2 and the upper mold assembly, and the shaping sleeve assembly penetrates the surface of the upper mold assembly to the inside thereof.

[0041] The plastic liner shaping device of this embodiment, the upper mold assembly includes:

[0042] The upper mold 3 is fixedly connected to the pressing cylinder 2 through a shaping sleeve 6 assembly;

[0043] A cooling water pipeline 8, which is evenly arranged inside the upper mold 3, is used to cool and solidify the liquid material;

[0044] The guide rod 4 has an upper end that penetrates the inner wall of the frame 1 , and a lower end that is fixedly mounted on both ends of the upper mold 3 .

[0045] The plastic liner shaping device of this embodiment, the lower mold assembly includes:

[0046] A lower mold 7, which is arranged to correspond to the upper mold 3 in size, shape and position;

[0047] A cooling water pipeline 8 is evenly arranged inside the lower mold 7 to cool and solidify the liquid material;

[0048] The injection tube 21 is arranged on the left side surface of the lower mold 7 .

[0049] The plastic liner shaping device of this embodiment, the shaping sleeve assembly comprises:

[0050] The shaping sleeve 6 has an air inlet 9 at the center of the lower surface thereof, and air outlets 14 are provided on both sides of the air inlet 9;

[0051] An air inlet cannula 10 is installed on the shaping sleeve 6 and passes through the upper mold 3 to the inside of the air inlet 9;

[0052] An air intake hose 11, the air intake hose 11 is fixedly arranged at the upper end of the air intake cannula 10;

[0053] An air outlet pipe 12, the air outlet pipe 12 passes through the left surface of the shaping sleeve 6 to the inside of the air inlet 9;

[0054] The air outlet hose 13 is installed on the air outlet pipe 12, and the lower end of the air outlet hose 13 passes through the upper surface of the upper mold 3 to the inside thereof.

[0055] The plastic liner shaping device of the present embodiment is provided with a water tank 15 on the rear of the frame 1, a water pump 16 is fixedly connected to the rear surface of the frame 1, the output end of the water pump 16 passes through the upper surface of the water tank 15 to the interior thereof, the output end of the water pump 16 is fixedly connected to a connecting water pipe 17, the front surface of the connecting water pipe 17 is fixedly connected to the rear surface of the frame 1, a plurality of water inlet telescopic pipes 18 are fixedly connected to the front surface of the connecting water pipe 17, the input ends of the cooling water pipeline 8 all pass through the rear side of the inner wall of the cavity to the interior of the frame 1, and the front ends of the water inlet telescopic pipes 18 are fixedly connected to the input ends of the cooling water pipeline 8.

[0056] In the plastic liner shaping device of this embodiment, the output end of the cooling water pipeline 8 passes through the rear side of the inner wall of the cavity to the rear side of the inner wall of the frame 1, and the output end of the cooling water pipeline 8 is fixedly connected to the water outlet telescopic pipe 20, and the rear end of the water outlet telescopic pipe 20 passes through the rear side of the inner wall of the frame 1 to the inside of the water tank 15.

[0057] Working principle: When using the device, the plastic liner fiber core is placed on the lower mold 7 in the frame 1. After placing it, operate the pressing cylinder 2 so that the corresponding pressing cylinder 2 drives the upper mold 3 to move downward. During the movement of the upper mold 3, the guide rod 4 limits the movement of the upper mold 3 so that the upper mold 3 can be accurately aligned with the lower mold 7 to clamp the plastic liner fiber core. At the same time, when the upper mold 3 and the lower mold 7 clamp the plastic liner fiber core, the lower part of the shaping sleeve 6 in the upper mold 3 enters into the mouth of the plastic liner fiber core, and the plastic liner material is injected into the lower mold 7 and the upper mold 3 through the injection tube 21, so that the plastic liner material and the plastic liner fiber core are formed in the upper mold 3 and the lower mold 7.

[0058] After the injection of the plastic liner material is completed, the cold air injection device is connected through the air intake hose 11, and the cold air is transported to the air intake pipe 10 through the air intake hose 11, and then enters the air inlet 9, and enters the plastic liner through the air inlet 9. The cold air entering the plastic liner flows in the plastic liner, and the interior of the plastic liner is quickly cooled. The heat generated in the plastic liner is discharged through the air outlet 14 on the shaping sleeve 6;

[0059] At the same time, the cooling water in the water storage tank 15 is pumped into the connecting water pipe 17 under the operation of the water pump 16, and then enters the cooling water pipeline 8 in the lower mold 7 in the upper mold 3 through multiple water inlet telescopic pipes 18 on the connecting water pipe 17, so as to cool the outside of the plastic liner. The cold air entering the air inlet 9 in the shaping sleeve 6 enters the air outlet hose 13 through the air outlet pipe 12 and is transported to the upper mold 3, so as to cool the cooling pipe inside the upper mold 3 and accelerate the cooling of the plastic liner. The water in the cooling water pipeline 8 returns to the water storage tank 15 through the water outlet telescopic pipe 20 for recycling, so as to accelerate the cooling of the plastic liner.

[0060] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plastic liner shaping device, comprising a frame (1), characterized in that: Also includes: A pressing cylinder (2), wherein the pressing cylinder (2) is fixed to the upper side of the inner wall of the frame (1); An upper mold assembly, the upper mold assembly being arranged at the lower end of the pressing cylinder (2) and moving up and down with the pressing cylinder (2) to press; A lower mold assembly, wherein the lower mold assembly is arranged corresponding to the upper mold assembly; A shaping sleeve assembly is provided between the pressing cylinder (2) and the upper mould assembly, and the shaping sleeve assembly penetrates the surface of the upper mould assembly to the interior thereof.

2. A plastic liner shaping device according to claim 1, characterized in that: The upper mold assembly comprises: An upper mold (3), wherein the upper mold (3) is fixedly connected to the pressing cylinder (2) via a shaping sleeve (6) assembly; A cooling water pipeline (8), wherein the cooling water pipeline (8) is evenly arranged inside the upper mold (3) and is used to cool and solidify the liquid material; A guide rod (4), wherein the upper end of the guide rod (4) passes through the inner wall of the frame (1), and the lower end of the guide rod (4) is fixedly mounted on both ends of the upper mold (3).

3. A plastic liner shaping device according to claim 1, characterized in that: The lower mold assembly comprises: A lower mold (7), wherein the lower mold (7) is arranged to correspond to the upper mold (3) in size, shape and position; A cooling water pipeline (8), the cooling water pipeline (8) is evenly arranged inside the lower mold (7) and is used to cool and solidify the liquid material; An injection molding tube (21) is arranged on the left side surface of the lower mold (7).

4. A plastic liner shaping device according to claim 1, characterized in that: The shaping set assembly comprises: A shaping sleeve (6), wherein an air inlet (9) is provided at the center of the lower surface of the shaping sleeve (6), and air outlets (14) are provided on both sides of the air inlet (9); An air inlet cannula (10), wherein the air inlet cannula (10) is mounted on the shaping sleeve (6), and the air inlet cannula (10) penetrates the upper mold (3) until it reaches the inside of the air inlet (9); An air intake hose (11), wherein the air intake hose (11) is fixedly arranged at the upper end of the air intake cannula (10); An air outlet pipe (12), the air outlet pipe (12) passing through the left side surface of the shaping sleeve (6) to the inside of the air inlet (9); An air outlet hose (13) is installed on the air outlet pipe (12), and the lower end of the air outlet hose (13) passes through the upper surface of the upper mold (3) to the interior thereof.

5. A plastic liner shaping device according to claim 3, characterized in that: A water storage tank (15) is arranged on the rear of the frame (1), a water pump (16) is fixedly connected to the rear surface of the frame (1), the output end of the water pump (16) passes through the upper surface of the water storage tank (15) to the interior thereof, the output end of the water pump (16) is fixedly connected to a connecting water pipe (17), the front surface of the connecting water pipe (17) is fixedly connected to the rear surface of the frame (1), the front surface of the connecting water pipe (17) is fixedly connected to a plurality of water inlet telescopic pipes (18), the input ends of the cooling water pipelines (8) all pass through the rear side of the inner wall of the cavity to the interior of the frame (1), and the front ends of the water inlet telescopic pipes (18) are fixedly connected to the input ends of the cooling water pipelines (8).

6. A plastic liner shaping device according to claim 3, characterized in that: The output ends of the cooling water pipelines (8) are fixedly connected to water outlet telescopic pipes (20), and the rear ends of the water outlet telescopic pipes (20) penetrate the rear side of the inner wall of the frame (1) to the interior of the water storage tank (15).

Images