PE pipe forming die

Abstract

The utility model discloses a pe pipe forming die, and belongs to the technical field of pe pipe manufacturing and forming. The die comprises a base, supporting plates are fixedly connected to the upper side of the base, a lower die is movably connected to the sides, close to each other, of the supporting plates, and a middle die is movably connected to the inner side of the lower die. By arranging the exhaust pipe and the air suction pump, air between the molds can be pumped out, so that the pressure on the inner sides of the molds is increased, bubbles entering the inner sides of the molds can be crushed conveniently, the phenomenon that a large number of bubbles are generated in the forming process of the device is avoided, and the forming stability of the device is guaranteed; according to the bubble removing machine, air on the inner side of a mold can be injected into the inner side of the stirring box, so that molten liquid on the inner side of the stirring box can be extruded again, bubbles on the inner side of the molten liquid are further smashed, the molten liquid is stirred through stirring blades, the molten liquid can be more fully mixed with the bubble removing machine, and generation of the bubbles is further avoided; the problem that a large number of bubbles appear in the forming process of an existing pe pipe forming mold is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of PE pipe manufacturing and forming, in particular to a PE pipe forming die. Background Art

[0002] PE pipes are replacement products for polyvinyl chloride drainage pipes and cast iron drainage pipes in the drainage field. In recent years, PE pipes have developed rapidly in drainage pipes, so the requirements for pipe fittings are becoming more and more functional, and higher and more professional requirements are also put forward for the use requirements and structural design of various pipe fittings. PE thin-walled pipe expansion joints are mainly used in agricultural irrigation.

[0003] When the existing PE thin-walled pipe fittings are injected, it is not convenient to exhaust them. Therefore, when the injection liquid is injected into the mold, a large number of bubbles are generated. The existence of these bubbles affects the injection molding of the PE thin-walled pipe fittings, resulting in defective products of the PE thin-walled pipe fittings, which affects the use of the PE thin-walled pipe fittings. Therefore, it is necessary to design and modify the PE pipe molding mold to solve the problem of a large number of bubbles during its molding. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a PE pipe forming mold.

[0005] The utility model provides the following technical scheme: a PE pipe forming mold, comprising a base, the upper side of the base is fixedly connected to a support plate, the side of the support plate close to each other is movably connected to a lower mold, the inner side of the lower mold is movably connected to a middle mold, the upper side of the lower mold is movably connected to an upper mold, the inner side of the upper mold is connected to a feeding pipe, the inner side of the upper mold is connected to an exhaust pipe, the upper side of the feeding pipe is connected to a stirring box, the upper side of the stirring box is fixedly connected to a first motor, the lower side of the first motor is fixedly connected to a connecting rod, the lower side of the connecting rod is fixedly connected to a stirring blade, the right side of the stirring box is connected to an air suction pump, the right side of the air suction pump is connected to an air suction pipe, the air suction pipe and the exhaust pipe are connected, the exhaust pipe and the inner side of the feeding pipe are movably connected to a movable baffle, a through groove is provided on the surface of the movable baffle, a movable screw is fixedly connected to the right side of the movable baffle, a second motor is fixedly connected to the right side of the movable screw, and the second motor is fixedly connected to the support plate.

[0006] The beneficial effects of the utility model are as follows:

[0007] 1. The utility model can increase the pressure inside the mold by arranging an exhaust pipe and an air suction pump, so that the air between the molds can be extracted, thereby facilitating the crushing of bubbles entering the mold, avoiding the generation of a large number of bubbles during device molding, and ensuring the stability of device molding. By arranging a stirring box, the air inside the mold can be injected into the stirring box, so that the molten liquid inside the stirring box can be squeezed again, so that the bubbles inside the molten liquid can be further crushed, and the molten liquid can be stirred by stirring blades, so that the molten liquid can be mixed with the defoamer more fully, further avoiding the generation of bubbles, and solving the problem of a large number of bubbles during molding of the existing PE pipe molding mold.

[0008] 2. The utility model makes the connection between the lower mold and the upper mold tighter by setting the connecting plate and the connecting screw, thereby improving the use stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is the front view of the structure of the utility model.

[0010] Figure 2 It is a side view of the structure of the utility model.

[0011] Figure 3 It is the rear view of the structure of the utility model. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0013] like Figures 1 to 3 As shown, the PE pipe forming mold of this embodiment includes a base 1, a support plate 2 is fixedly connected to the upper side of the base 1, a lower mold 3 is movably connected to the side of the support plate 2 close to each other, a middle mold 4 is movably connected to the inner side of the lower mold 3, an upper mold 5 is movably connected to the upper side of the lower mold 3, a feed pipe 6 is connected to the inner side of the upper mold 5, an exhaust pipe 7 is connected to the inner side of the upper mold 5, a stirring box 8 is connected to the upper side of the feed pipe 6, a first motor 9 is fixedly connected to the upper side of the stirring box 8, a connecting rod 10 is fixedly connected to the lower side of the first motor 9, a stirring blade 11 is fixedly connected to the lower side of the connecting rod 10, an air suction pump 12 is connected to the right side of the stirring box 8, an air suction pipe 13 is connected to the right side of the air suction pump 12, the air suction pipe 13 is connected to the exhaust pipe 7, the exhaust pipe 7 and the inner side of the feed pipe 6 are movably connected to a movable baffle 14, a through groove 15 is provided on the surface of the movable baffle 14, a movable screw 16 is fixedly connected to the right side of the movable baffle 14, a second motor 17 is fixedly connected to the right side of the movable screw 16, and the second motor 17 is fixedly connected to the support plate 2.

[0014] refer to Figure 3 A connecting plate 18 is fixedly connected to the outer sides of the lower mold 3 and the upper mold 5, and a connecting screw 19 is threadedly connected to the inner side of the connecting plate 18.

[0015] In this embodiment, the connection plate 18 and the connection screw 19 are provided to make the connection between the lower mold 3 and the upper mold 5 tighter, thereby improving the stability of the device.

[0016] refer to Figure 1 A fixing screw 20 is threadedly connected to the inner side of the support plate 2, and a fixing plate 21 is fixedly connected to the left and right sides of the lower mold 3. A fixing groove 22 is provided on the surface of the fixing plate 21, the inner side of the middle mold 4 and the surface of the upper mold 5, and the fixing groove 22 is threadedly connected to the fixing screw 20.

[0017] In this embodiment, by providing the fixing screw 20, the fixing plate 21 and the fixing groove 22, the molds can be easily fixed or separated, thereby improving the convenience of assembly and disassembly of the device.

[0018] refer to Figure 1 A feed groove 23 is provided on the surface of the stirring box 8 , and a feed pipe 24 is fixedly connected to the inner side of the feed groove 23 , and the feed pipe 24 is communicated with the stirring box 8 .

[0019] In this embodiment, the feed trough 23 and the feed pipe 24 are arranged to facilitate the injection of the molten metal into the inner side of the stirring box 8, and the feed pipe 24 is provided with an electric valve on the inner side thereof, so that the air inside the stirring box 8 will not leak out when it is not in use, thereby improving the stability of the device.

[0020] refer to Figure 1 An adjusting groove 25 is provided on the surface of the base 1, and a supporting rod 26 is fixedly connected to the lower side of the base 1. The adjusting groove 25 and the supporting rod 26 are arranged in a corresponding manner.

[0021] In this embodiment, the arrangement of the adjusting groove 25 and the supporting rod 26 makes it easy to take out the lower mold 3 from the lower side of the base 1, thereby improving the convenience of assembly and disassembly of the device.

[0022] refer to Figure 2 A mounting groove 27 is provided on the surface of the stirring box 8, a pressure gauge 28 is fixedly connected to the inner side of the mounting groove 27, and a pressure relief valve 29 is connected to the left side of the pressure gauge 28.

[0023] In this embodiment, the installation groove 27, the pressure gauge 28 and the pressure relief valve 29 are arranged so that the pressure inside the stirring box 8 can be relieved if it is too high, thereby avoiding the phenomenon that bubbles are injected into the mold again due to excessive pressure, thereby improving the stability of the device.

[0024] The utility model drives air to be sucked into the inner side of the stirring box 8 through the suction pump 12, and then starts the first motor 9, and drives the connecting rod 10 and the stirring blade 11 to rotate through the first motor 9, and drives the melt and the defoaming agent inside it to be fully mixed through the stirring blade 11, and then starts the second motor 17, and drives the moving screw 16 to rotate through the second motor 17, and drives the moving baffle 14 to move through the moving screw 16, so that the moving baffle 14 blocks the exhaust pipe 7, and aligns the left side through groove 15 with the feed pipe 6, so that the melt enters the inner side of the mold, and the remaining bubbles inside the melt are broken by the vacuum inside the mold.

Claims

1. A PE tube forming mold, comprising a base (1), characterized in that: The upper side of the base (1) is fixedly connected to a support plate (2); a lower mold (3) is movably connected to a side of the support plate (2) that is close to each other; a middle mold (4) is movably connected to the inner side of the lower mold (3); an upper mold (5) is movably connected to the upper side of the lower mold (3); a feed pipe (6) is connected to the inner side of the upper mold (5); an exhaust pipe (7) is connected to the inner side of the upper mold (5); a stirring box (8) is connected to the upper side of the feed pipe (6); a first motor (9) is fixedly connected to the upper side of the stirring box (8); a connecting rod (10) is fixedly connected to the lower side of the first motor (9); and the connecting rod (10) is connected to the lower side of the first motor (9). 0) is fixedly connected to a stirring blade (11) on the lower side, the stirring box (8) is connected to an air suction pump (12) on the right side, the air suction pump (12) is connected to an air suction pipe (13) on the right side, the air suction pipe (13) is connected to an exhaust pipe (7), the exhaust pipe (7) and the inner side of the feed pipe (6) are movably connected to a movable baffle (14), a through groove (15) is provided on the surface of the movable baffle (14), a movable screw (16) is fixedly connected to the right side of the movable screw (16), a second motor (17) is fixedly connected to the right side of the movable screw (16), and the second motor (17) is fixedly connected to the support plate (2).

2. A PE tube forming mold according to claim 1, characterized in that: A connecting plate (18) is fixedly connected to the outer sides of the lower mold (3) and the upper mold (5), and a connecting screw (19) is threadedly connected to the inner side of the connecting plate (18).

3. A PE tube forming mold according to claim 2, characterized in that: The inner side of the support plate (2) is threadedly connected to a fixing screw (20), and the left and right sides of the lower mold (3) are fixedly connected to fixing plates (21). The surface of the fixing plate (21), the inner side of the middle mold (4) and the surface of the upper mold (5) are all provided with fixing grooves (22), and the fixing grooves (22) are threadedly connected to the fixing screws (20).

4. A PE tube forming mold according to claim 3, characterized in that: A feed groove (23) is provided on the surface of the stirring box (8), a feed pipe (24) is fixedly connected to the inside of the feed groove (23), and the feed pipe (24) is in communication with the stirring box (8).

5. A PE tube forming mold according to claim 4, characterized in that: An adjustment groove (25) is provided on the surface of the base (1), a support rod (26) is fixedly connected to the lower side of the base (1), and the adjustment groove (25) and the support rod (26) are arranged in a corresponding manner.

6. A PE tube forming mold according to claim 1, 2 or 5, characterized in that: The surface of the stirring box (8) is provided with a mounting groove (27), the inner side of the mounting groove (27) is fixedly connected with a pressure gauge (28), and the left side of the pressure gauge (28) is connected with a pressure relief valve (29).

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