Automatic foam forming device for rubber and plastic thermal insulation material

Abstract

The utility model discloses an automatic foam forming device for rubber and plastic thermal insulation materials, which comprises a forming die and a die cover assembled above the forming die, a forming cavity is formed in the forming die, a base is fixedly mounted at the bottom of the forming die, a sliding rod is fixedly mounted on the rear side of the top of the base, and a sliding block is fixedly mounted on the sliding rod. The utility model relates to the technical field of foam forming of rubber and plastic thermal insulation materials. According to the automatic foam forming device for the rubber and plastic thermal insulation material, through cooperation of the exhaust pipe and the exhaust hole, the material can be injected into a mold for vacuumizing treatment, air and rubber volatile matter in the mold can be eliminated through vacuumizing, and the defects of bubbles, air holes and the like are prevented; and air entering the mold during feeding can be exhausted, the situation that the rubber and plastic thermal insulation material is interfered by the air during foam forming in the mold is avoided, and the stability of the rubber and plastic thermal insulation material during foam forming is improved.

Description

Technical Field

[0001] This utility model relates to the field of foaming and molding technology of rubber and plastic insulation materials, specifically to an automated foaming and molding device for rubber and plastic insulation materials. Background Technology

[0002] Rubber and plastic insulation materials are widely used in construction, industrial pipelines, refrigeration equipment, and other fields due to their excellent closed-cell structure, low thermal conductivity, and flexibility. The core process of foaming directly determines the material's performance and quality; therefore, molding equipment is required during the processing of rubber insulation materials.

[0003] The "rapid prototyping device for rubber and plastic energy-saving insulation materials" disclosed in publication number "CN218053643U" includes a workbench, a bottom template fixedly connected inside the workbench, several long fins fixedly connected to the bottom outer wall of the bottom template, several fans fixedly installed on the bottom outer wall of the workbench, a support fixedly connected to the top outer wall of the workbench, a hydraulic cylinder fixedly installed on the top outer wall of the support, a pressure plate fixedly connected to the output end of the hydraulic cylinder, a lower mold set on the upper surface of the workbench, several short fins fixedly connected to the front and back outer walls of the lower mold, and ear plates fixedly connected to both sides of the lower mold.

[0004] Traditional molding dies do not have the function of vacuuming the interior before foaming rubber and plastic insulation materials. When there is air inside the mold, it will cause air bubbles to appear during the molding of rubber and plastic insulation materials, thus affecting the quality of foaming and molding of rubber and plastic insulation materials. In addition, they do not have the function of expelling the air that enters the mold during feeding. To solve the above problems, we have designed an automated foaming and molding device for rubber and plastic insulation materials. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an automated foaming and molding device for rubber and plastic insulation materials. It solves the problems of lacking the function of vacuuming the interior, causing air bubbles to appear during the molding of rubber and plastic insulation materials when the mold contains air, and lacking the function of expelling air that enters the mold along with the raw materials.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: an automated foaming and molding device for rubber and plastic insulation materials, comprising a molding mold and a mold cover assembled on top of the molding mold;

[0007] The molding mold has a molding cavity inside. A base is fixedly installed at the bottom of the molding mold. A slide rod is fixedly installed on the rear side of the top of the base. A slide block connected to the back of the mold cover is slidably installed on the outer wall of the slide rod. A raw material pipe is fixedly installed on the front side of the top of the mold cover. A closing column is slidably installed inside the raw material pipe. An air extraction hole is opened at the rear side of the bottom of the mold cover. An air extraction pipe communicating with the air extraction hole is fixedly installed on the rear side of the inside of the mold cover. An electric push rod is fixedly installed on the rear side of the top of the mold cover. A closed ring plate extending into the inside of the mold cover is fixedly installed at the output end of the electric push rod.

[0008] A conduction pipe is fixedly installed at the center of the inside of the mold cover. Exhaust micro-pipes extending to the bottom of the mold cover are fixedly installed at equal intervals at the bottom of the conduction pipe. One-way air valves are fixedly installed at equal intervals at the top of the conduction pipe. Filter covers extending to the top of the mold cover are fixedly installed on the top of each one-way air valve.

[0009] Preferably, the inner wall of the molding die is provided with a heating chamber, an air inlet pipe extending into the heating chamber is fixedly installed on one side of the molding die, and an exhaust pipe extending into the heating chamber is fixedly installed on the other side of the molding die.

[0010] Preferably, a flange is fixedly installed on the top of the raw material pipe, a limit plate is fixedly installed on the top of the closing column, and a locking rod that cooperates with the flange is fixedly installed on the bottom of the limit plate.

[0011] Preferably, a vacuum tube is fixedly connected to the top of the suction pipe, and a quick connector is fixedly installed at one end of the vacuum tube.

[0012] Preferably, a top plate is fixedly installed on the top of the slide rod, and a hydraulic cylinder with its output end connected to the slide block is fixedly installed on the top of the top plate.

[0013] Preferably, two sets of reinforcing plates are fixedly installed on the top of the front of the slide block, and the bottom of the reinforcing plates are fixedly connected to the mold cover.

[0014] This utility model provides an automated foaming and molding device for rubber and plastic insulation materials. Compared with the prior art, it has the following advantages:

[0015] Beneficial effects:

[0016] (1) The automated foaming molding device for rubber and plastic insulation materials can perform vacuuming inside the mold before the raw material is injected into the mold by the cooperation between the air extraction pipe and the air extraction hole. By vacuuming inside the mold, air and volatiles of rubber can be eliminated inside the mold, preventing defects such as bubbles and pores.

[0017] (2) By combining the exhaust micro-tube and the one-way air valve, the air that enters the mold during feeding can be discharged, avoiding the interference of air when the rubber and plastic insulation material is foamed and molded in the mold, and increasing the stability of the rubber and plastic insulation material during foaming and molding. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the molding die of this utility model.

[0020] Figure 3 This is a schematic diagram of the mold cover installation structure of this utility model.

[0021] Figure 4 This is a schematic diagram of the first cross-sectional structure of the mold cover of this utility model.

[0022] Figure 5 This is a schematic diagram of the second cross-sectional structure of the mold cover of this utility model.

[0023] In the diagram: 1. Molding mold; 101. Molding cavity; 102. Heating cavity; 2. Air inlet pipe; 201. Exhaust pipe; 3. Base; 301. Slide rod; 302. Slide seat; 303. Reinforcing plate; 304. Top plate; 305. Hydraulic cylinder; 4. Mold cover; 401. Raw material pipe; 402. Air extraction hole; 403. Flange; 5. Electric push rod; 501. Closing ring plate; 6. Vacuum tube; 601. Quick connector; 602. Air extraction pipe; 7. Conducting pipe; 701. Exhaust micro-tube; 702. One-way air valve; 703. Filter cover; 8. Closing column; 801. Limiting plate; 802. Locking rod. Detailed Implementation

[0024] 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 scope of protection of the present utility model.

[0025] Example 1

[0026] Please see Figure 1-4As shown, this embodiment proposes an automated foaming molding device for rubber and plastic insulation materials, including a molding mold 1 and a mold cover 4 mounted on top of the molding mold 1. The molding mold 1 has a molding cavity 101 inside. A base 3 is fixedly installed at the bottom of the molding mold 1. A slide rod 301 is fixedly installed on the rear side of the top of the base 3. A slide seat 302 connected to the back of the mold cover 4 is slidably installed on the outer wall of the slide rod 301. A raw material pipe 401 is fixedly installed on the front side of the top of the mold cover 4. A closing column 8 is slidably installed inside the raw material pipe 401. An air extraction hole 402 is opened on the rear side of the bottom of the mold cover 4. An air extraction pipe 602 communicating with the air extraction hole 402 is fixedly installed on the rear side of the interior of the mold cover 4. An electric push rod 5 is fixedly installed on the rear side of the top of the mold cover 4. A closing ring plate 501 extending into the interior of the mold cover 4 is fixedly installed at the output end of the electric push rod 5.

[0027] In use, the molding cavity 101 inside the molding mold 1 can foam and mold the rubber and plastic insulation material. The mold cover 4 is slidably installed above the molding mold 1 via the slide block 302 and the slide rod 301. Lowering the mold cover 4 can close the top of the molding mold 1. The raw material pipe 401 installed on the front side of the top of the mold cover 4 is connected to the external conveying pipe, which facilitates the entry of raw material into the molding cavity 101. When the raw material pipe 401 is disconnected from the external conveying pipe, the raw material pipe 401 can be closed by inserting the closing post 8, thus preventing the opening at the bottom of the raw material pipe 401 from affecting the foaming and molding of the material. The mold cover 4 is installed on the rear side. The installed vacuum pipe 602 is connected to an external vacuum device, and can be used to vacuum the inside of the molding cavity 101 through the vacuum hole 402 at the bottom of the mold cover 4. Vacuuming the inside of the molding cavity 101 increases the speed at which the raw material enters it, and also avoids the situation where residual air in the molding cavity 101 causes air holes in the plastic insulation material. After the vacuuming of the inside of the molding cavity 101 is completed, the electric push rod 5 extends and lowers the closing ring plate 501. The closing ring plate 501 can close the bottom of the vacuum hole 402, preventing the vacuum hole 402 from affecting the molding of the rubber and plastic insulation material.

[0028] Example 2

[0029] Based on Example 1, such as Figure 4-5 As shown, a transmission pipe 7 is fixedly installed in the center of the mold cover 4. Exhaust micropipes 701 extending to the bottom of the mold cover 4 are fixedly installed at equal intervals at the bottom of the transmission pipe 7. One-way air valves 702 are fixedly installed at equal intervals at the top of the transmission pipe 7. Filter covers 703 extending to the top of the mold cover 4 are fixedly installed at the top of each one-way air valve 702.

[0030] During use, after the raw material is quantitatively injected into the molding cavity 101, the mold cover 4 is lowered to compact the raw material inside the molding cavity 101. When the mold cover 4 is lowered, the air that enters the molding cavity 101 along with the raw material enters the exhaust microtube 701 and is discharged to the outside of the mold through the conduction tube 7. This completely removes the air from the molding cavity 101, preventing the air that enters the molding cavity 101 along with the raw material from interfering with the foaming process. This increases the stability of the device during the foaming of rubber and plastic insulation materials. The one-way air valve 702 allows for one-way gas flow, preventing air from outside the mold from entering the molding cavity 101 through the conduction tube 7. The filter cover 703 protects the top of the conduction tube 7, preventing dust and foreign objects in the air from accumulating and causing blockages.

[0031] like Figure 1-2 As shown, a heating chamber 102 is provided on the inner wall of the molding mold 1. An air inlet pipe 2 extending into the heating chamber 102 is fixedly installed on one side of the molding mold 1, and an exhaust pipe 201 extending into the heating chamber 102 is fixedly installed on the other side of the molding mold 1.

[0032] In use, the air inlet pipe 2 is connected to an external high-temperature steam pipe, so that high-temperature steam can be injected into the heating chamber 102 through the air inlet pipe 2. The high-temperature steam inside the heating chamber 102 can heat the raw material inside the molding chamber 101, so that the raw material inside the molding chamber 101 can be rapidly foamed and molded. The discharge pipe 201 is connected to an external recovery pipe, so that the steam used during use can be discharged.

[0033] like Figure 4 As shown, a flange 403 is fixedly installed on the top of the raw material pipe 401, a limit plate 801 is fixedly installed on the top of the closing column 8, and a locking rod 802 that works with the flange 403 is fixedly installed on the bottom of the limit plate 801.

[0034] In use, flange 403 facilitates the connection of raw material pipe 401 to external conveying pipe, and also facilitates contact with the limiting plate 801 at the top of the closing column 8. By rotating the limiting plate 801, the locking rod 802 can be rotated into the slot opened on flange 403, thereby limiting and locking the closing column 8 and the limiting plate 801.

[0035] like Figure 3 As shown, a vacuum tube 6 is fixedly connected to the top of the suction pipe 602, and a quick connector 601 is fixedly installed at one end of the vacuum tube 6.

[0036] In use, the vacuum tube 6 and the quick connector 601 can be connected to a vacuum device, thereby facilitating the external vacuum device to perform vacuuming operations inside the forming cavity 101.

[0037] like Figure 1 and Figure 3 As shown, a top plate 304 is fixedly installed on the top of the slide bar 301, and a hydraulic cylinder 305 whose output end is connected to the slide block 302 is fixedly installed on the top of the top plate 304.

[0038] In use, the top plate 304 can be supported and fixed on the top of the two sets of slide rods 301, and the hydraulic cylinder 305 installed on the top of the top plate 304 can raise and lower the drive slide 302 and the mold cover 4 by extending and retracting, which improves the convenience for the staff to adjust the height of the mold cover 4.

[0039] like Figure 1 and Figure 3 As shown, two sets of reinforcing plates 303 are fixedly installed on the top of the front of the slide block 302, and the bottom of the reinforcing plates 303 are fixedly connected to the mold cover 4.

[0040] In use, the reinforcing plate 303 can reinforce the connection between the mold cover 4 and the slide 302, and ensure the stability of the slide 302 when driving the mold cover 4 up and down.

[0041] Working principle: The molding cavity 101 inside the molding mold 1 can perform foaming molding of rubber and plastic insulation material. The mold cover 4 can close the top of the molding cavity 101. The air extraction hole 402 and the air extraction pipe 602 can perform vacuuming treatment before injecting raw material into the molding cavity 101. By vacuuming the inside of the molding cavity 101, the speed of raw material entry can be accelerated, and the air inside the molding cavity 101 can be prevented from causing air bubbles and pores during the molding of rubber and plastic insulation material. In addition, the exhaust micro-pipe 701 and the conduction pipe 7 can squeeze out the air that enters the molding cavity 101 along with the raw material, avoiding the situation of residual air inside the device during the foaming molding of rubber and plastic insulation material, and increasing the stability of the device during the foaming molding of rubber and plastic insulation material.

[0042] Although embodiments of the present invention have been shown and described, those skilled in the art will understand 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 claims and their equivalents.

Claims

1. An automated foaming and molding device for rubber and plastic insulation materials, characterized in that: Includes the molding die and the die cap mounted on top of the molding die; The molding mold has a molding cavity inside. A base is fixedly installed at the bottom of the molding mold. A slide rod is fixedly installed on the rear side of the top of the base. A slide block connected to the back of the mold cover is slidably installed on the outer wall of the slide rod. A raw material pipe is fixedly installed on the front side of the top of the mold cover. A closing column is slidably installed inside the raw material pipe. An air extraction hole is opened at the rear side of the bottom of the mold cover. An air extraction pipe communicating with the air extraction hole is fixedly installed on the rear side of the inside of the mold cover. An electric push rod is fixedly installed on the rear side of the top of the mold cover. A closed ring plate extending into the inside of the mold cover is fixedly installed at the output end of the electric push rod. A conduction pipe is fixedly installed at the center of the inside of the mold cover. Exhaust micro-pipes extending to the bottom of the mold cover are fixedly installed at equal intervals at the bottom of the conduction pipe. One-way air valves are fixedly installed at equal intervals at the top of the conduction pipe. Filter covers extending to the top of the mold cover are fixedly installed on the top of each one-way air valve.

2. The automated foaming and molding device for rubber and plastic insulation materials according to claim 1, characterized in that: The molding die has a heating chamber on its inner wall. An air inlet pipe extending into the heating chamber is fixedly installed on one side of the molding die, and an exhaust pipe extending into the heating chamber is fixedly installed on the other side of the molding die.

3. The automated foaming and molding device for rubber and plastic insulation materials according to claim 1, characterized in that: A flange is fixedly installed on the top of the raw material pipe, a limit plate is fixedly installed on the top of the closing column, and a locking rod that works with the flange is fixedly installed on the bottom of the limit plate.

4. The automated foaming and molding device for rubber and plastic insulation materials according to claim 1, characterized in that: A vacuum tube is fixedly connected to the top of the extraction pipe, and a quick connector is fixedly installed at one end of the vacuum tube.

5. The automated foaming and molding device for rubber and plastic insulation materials according to claim 1, characterized in that: A top plate is fixedly installed on the top of the slide rod, and a hydraulic cylinder with its output end connected to the slide block is fixedly installed on the top of the top plate.

6. The automated foaming and molding device for rubber and plastic insulation materials according to claim 1, characterized in that: Two sets of reinforcing plates are fixedly installed on the top of the front of the slide block, and the bottom of the reinforcing plates are fixedly connected to the mold cover.

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