Plastic pipe clamp forming device

Abstract

The utility model discloses a plastic pipe clamp forming device, belongs to the technical field of plastic pipe clamp production, solves the problem that a formed pipe clamp is unqualified due to the fact that a movable die and a fixed die of an existing device are prone to dislocation during die assembly, and comprises a U-shaped plate, and the movable die and the fixed die are arranged on the top face and the bottom face of the U-shaped plate respectively. A conical table is fixedly installed on the top face of the fixed mold, an inclined face is arranged on the edge of the top face of the fixed mold, a conical cavity with the same specification as the conical table is formed in the middle of the bottom face of the movable mold, a guide ring is fixedly installed on the bottom face of the movable mold, and an inner ring of the guide ring is an inclined face with the same inclination degree as the inclined face. The movable mold is pushed downwards through the air cylinder, the fixed mold and the movable mold are closed, during mold closing, the movable mold is guided through the conical table and the inclined face, finally, the conical table can be clamped in the conical cavity, the guide ring can be attached to the inclined face, the situation of dislocation between the fixed mold and the movable mold is avoided, and the yield of pipe clamp production can be increased.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipe clamp production, in particular to a plastic pipe clamp forming device. Background Art

[0002] Plastic pipe clamps are components used to fix plastic pipes, and can be made through injection molding.

[0003] In the application with patent application number CN201920875556.3, a double-tube clamp plastic mold is disclosed, including a fixed mold fixing plate, a movable mold fixing plate, a first fixed mold, a second fixed mold, and a movable mold. The fixed mold fixing plate is provided with a first fixed mold and a second fixed mold, the first fixed mold includes a first outer mold and a first inner mold, and the first inner mold is provided with a first arc-shaped concave mold and a second arc-shaped concave mold; the second fixed mold includes a second outer mold and a second inner mold, and the second inner mold is provided with a third arc-shaped concave mold and a fourth arc-shaped concave mold; the movable mold fixing plate is provided with a movable mold, and the movable mold is fixedly provided with a first arc-shaped punch, a second arc-shaped punch, a third arc-shaped punch, and a fourth arc-shaped punch, a first injection port is provided between the first arc-shaped punch and the second arc-shaped punch, and a second injection port is provided between the third arc-shaped punch and the fourth arc-shaped punch;

[0004] Although the double-tube clamp plastic mold can process two double-tube clamps at one time, the movable mold and the fixed mold of the double-tube clamp plastic mold are easily misaligned when the molds are closed, which leads to unqualified tube clamps after molding. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a plastic pipe clamp forming device, which solves the problem that the movable mold and the fixed mold of the prior device are easily misaligned during mold closing, thereby causing the formed pipe clamp to be unqualified.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a plastic pipe clamp forming device, comprising a U-shaped plate, the top surface and the bottom surface of the U-shaped plate are respectively provided with a movable mold and a fixed mold, and the fixed mold and the movable mold are provided with a matching concave mold and an arc-shaped convex mold;

[0007] A conical table is fixedly mounted on the top surface of the fixed mold, an inclined surface is provided at the edge of the top surface of the fixed mold, a conical cavity with the same specifications as the conical table is provided in the middle of the bottom surface of the movable mold, a guide ring is fixedly mounted on the bottom surface of the movable mold, and the inner ring of the guide ring is an inclined surface with the same inclination degree as the inclined surface.

[0008] Preferably, the top surface of the fixed mold is provided with an injection channel interconnected with the concave mold, the bottom surface of the movable mold is provided with an injection hole opposite to the injection channel, the diameter of the injection hole matches the width of the injection channel, and an injection tube connected to the injection hole is fixedly installed on the top surface of the movable mold, wherein the molten raw material is injected into the injection hole and the injection channel through the injection tube, and finally the raw material enters the interior of the concave mold to be cooled and formed.

[0009] Preferably, a cylinder is fixedly mounted on the top surface of the U-shaped plate, and the output end of the cylinder passes through the top surface of the U-shaped plate and is fixedly mounted on the top surface of the movable mold, wherein the movable mold can be driven up and down by the cylinder to perform mold opening and closing operations.

[0010] Preferably, a demolding assembly is provided below the fixed mold, and the demolding assembly includes a mounting plate fixedly mounted on the bottom surface of the U-shaped plate, a demolding rod is fixedly mounted at the edge of the top surface of the mounting plate, a demolding hole is opened on the bottom surface of the female mold, the demolding rod is movably sleeved inside the demolding hole, a hydraulic cylinder is fixedly mounted on the middle part of the top surface of the mounting plate, and the output end of the hydraulic cylinder is fixedly mounted on the bottom surface of the fixed mold, wherein the fixed mold is driven to move downward by the hydraulic cylinder, and then the pipe clamp that has been cooled and formed inside the female mold is ejected by the demolding rod.

[0011] Preferably, the arc surface fixing sleeve of the fixed mold is provided with a heat dissipation ring, wherein the heat dissipation ring can absorb the internal heat of the fixed mold and then dissipate it into the air, so as to increase the cooling and molding rate of the pipe clamp inside the concave mold.

[0012] The utility model provides a plastic pipe clamp forming device, which has the following beneficial effects:

[0013] 1. The plastic pipe clamp forming device pushes the movable mold downward through the cylinder, and then closes the fixed mold and the movable mold. When closing the mold, the movable mold is guided by the conical table and the inclined surface. Finally, the conical table will be clamped inside the conical cavity, and the guide ring will fit with the inclined surface, avoiding the misalignment between the fixed mold and the movable mold, which is beneficial to improving the qualified rate of pipe clamp production. It is simple and convenient to use, and solves the problem that the movable mold and the fixed mold of the existing device are easy to be misaligned when closing the mold, which then leads to unqualified pipe clamps after molding;

[0014] 2. The plastic pipe clamp forming device absorbs the internal heat of the fixed mold through the heat dissipation ring and then dissipates it into the air, which is beneficial to improve the cooling and forming rate of the pipe clamp inside the concave mold. The fixed mold is pulled downward by the hydraulic cylinder, and the pipe clamp cooled and formed inside the concave mold can be ejected by the demoulding rod, thereby improving the demoulding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model after mold closing;

[0017] Figure 3 This is a schematic diagram of the fixed mold structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the movable mold structure of the utility model.

[0019] In the figure: 1. U-shaped plate; 11. Cylinder; 2. Fixed mold; 21. Concave mold; 22. Injection channel; 23. Conical table; 24. Inclined surface; 25. Heat dissipation ring; 26. Demolding hole; 3. Moving mold; 31. Arc punch; 32. Injection hole; 33. Conical cavity; 34. Guide ring; 35. Injection tube; 4. Demolding assembly; 41. Mounting plate; 42. Demolding rod; 43. Hydraulic cylinder. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] like Figure 1-4 As shown: it includes a U-shaped plate 1, the top and bottom surfaces of the U-shaped plate 1 are respectively provided with a movable mold 3 and a fixed mold 2, the fixed mold 2 and the movable mold 3 are provided with a matching concave mold 21 and an arc-shaped convex mold 31, a conical platform 23 is fixedly installed on the top surface of the fixed mold 2, an inclined surface 24 is provided at the edge of the top surface of the fixed mold 2, a conical cavity 33 with the same specification as the conical platform 23 is provided in the middle of the bottom surface of the movable mold 3, a guide ring 34 is fixedly installed on the bottom surface of the movable mold 3, the inner circle of the guide ring 34 is an inclined surface with the same inclination as the inclined surface 24, an injection channel 22 interconnected with the concave mold 21 is provided on the top surface of the fixed mold 2, an injection hole 32 opposite to the injection channel 22 is provided on the bottom surface of the movable mold 3, the diameter of the injection hole 32 matches the width of the injection channel 22, and an injection tube 35 connected with the injection hole 32 is fixedly installed on the top surface of the movable mold 3.

[0023] A cylinder 11 is fixedly installed on the top surface of the U-shaped plate 1. The output end of the cylinder 11 passes through the top surface of the U-shaped plate 1 and is fixedly installed on the top surface of the movable mold 3. The movable mold 3 is pushed downward by the cylinder 11, and then the fixed mold 2 and the movable mold 3 are molded together. When the molds are closed, the movable mold 3 is guided by the conical platform 23 and the inclined surface 24. Finally, the conical platform 23 will be clamped in the inside of the conical cavity 33, and the guide ring 34 will fit with the inclined surface 24, avoiding the misalignment between the fixed mold 2 and the movable mold 3, which is beneficial to improving the qualified rate of pipe clamp production and is simple and convenient to use.

[0024] Example 2

[0025] like Figure 1-3 As shown: a demolding assembly 4 is arranged below the fixed mold 2, and the demolding assembly 4 includes a mounting plate 41 fixedly mounted on the bottom surface of the U-shaped plate 1, a demolding rod 42 is fixedly mounted on the edge of the top surface of the mounting plate 41, and a demolding hole 26 is opened on the bottom surface of the concave mold 21, and the demolding rod 42 is movably sleeved inside the demolding hole 26.

[0026] A hydraulic cylinder 43 is fixedly installed in the middle of the top surface of the mounting plate 41, and the output end of the hydraulic cylinder 43 is fixedly installed on the bottom surface of the fixed mold 2. The arc surface of the fixed mold 2 is fixedly sleeved with a heat dissipation ring 25. The heat inside the fixed mold 2 is absorbed by the heat dissipation ring 25 and then dissipated into the air, which is beneficial to improving the cooling and forming rate of the pipe clamps inside the concave mold 21. The fixed mold 2 is pulled downward by the hydraulic cylinder 43, and the pipe clamps cooled and formed inside the concave mold 21 can be ejected by the demolding rod 42, thereby improving the demolding efficiency.

[0027] The working principle and use process of this utility model:

[0028] When the plastic pipe clamp forming device is used, the cylinder 11 is first started to push the movable mold 3 downward, and then the fixed mold 2 and the movable mold 3 are molded together. When the molds are closed, the movable mold 3 is guided by the conical platform 23 and the inclined surface 24. Finally, the conical platform 23 will be clamped in the interior of the conical cavity 33, and the guide ring 34 will fit with the inclined surface 24. Then, the molten raw material is injected into the injection hole 32 and the injection channel 22 through the injection tube 35, and then the raw material enters the interior of the female mold 21. The heat inside the fixed mold 2 can be absorbed by the heat dissipation ring 25 and then dissipated into the air, so as to increase the cooling and molding rate of the pipe clamp inside the female mold 21. When the pipe clamp inside the female mold 21 is cooled and formed, the cylinder 11 is started again to pull the movable mold 3 upward, and then the fixed mold 2 and the movable mold 3 are separated. Then, the hydraulic cylinder 43 is started to pull the fixed mold 2 downward, and the pipe clamp cooled and formed inside the female mold 21 is ejected through the demolding rod 42.

Claims

1. A plastic pipe clamp forming device, comprising a U-shaped plate (1), wherein the top surface and the bottom surface of the U-shaped plate (1) are respectively provided with a movable mold (3) and a fixed mold (2), and the fixed mold (2) and the movable mold (3) are provided with a matching concave mold (21) and an arc-shaped convex mold (31); Features: A conical platform (23) is fixedly mounted on the top surface of the fixed mold (2), an inclined surface (24) is provided at the edge of the top surface of the fixed mold (2), a conical cavity (33) having the same specifications as the conical platform (23) is provided in the middle of the bottom surface of the movable mold (3), a guide ring (34) is fixedly mounted on the bottom surface of the movable mold (3), and the inner ring of the guide ring (34) is an inclined surface having the same inclination as the inclined surface (24).

2. A plastic pipe clamp forming device according to claim 1, characterized in that: The top surface of the fixed mold (2) is provided with an injection channel (22) interconnected with the concave mold (21); the bottom surface of the movable mold (3) is provided with an injection hole (32) opposite to the injection channel (22); the diameter of the injection hole (32) matches the width of the injection channel (22); and the top surface of the movable mold (3) is fixedly mounted with an injection tube (35) connected with the injection hole (32).

3. A plastic pipe clamp forming device according to claim 1, characterized in that: A cylinder (11) is fixedly mounted on the top surface of the U-shaped plate (1), and an output end of the cylinder (11) penetrates through the top surface of the U-shaped plate (1) and is fixedly mounted on the top surface of the movable mold (3).

4. A plastic pipe clamp forming device according to claim 1, characterized in that: A demoulding assembly (4) is arranged below the fixed mold (2), and the demoulding assembly (4) comprises a mounting plate (41) fixedly mounted on the bottom surface of the U-shaped plate (1), a demoulding rod (42) is fixedly mounted at the edge of the top surface of the mounting plate (41), a demoulding hole (26) is provided on the bottom surface of the concave mold (21), and the demoulding rod (42) is movably sleeved inside the demoulding hole (26), a hydraulic cylinder (43) is fixedly mounted in the middle of the top surface of the mounting plate (41), and an output end of the hydraulic cylinder (43) is fixedly mounted on the bottom surface of the fixed mold (2).

5. A plastic pipe clamp forming device according to claim 1, characterized in that: The arc surface fixing sleeve of the fixed mold (2) is provided with a heat dissipation ring (25).

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