Prestressed plastic corrugated pipe extrusion device capable of cooling and shaping

Abstract

The prestressed plastic corrugated pipe extrusion device comprises a hot melting box, a feeding pipe is fixed to the upper end of the hot melting box through bolts, supporting legs are fixed to the two sides of the hot melting box through bolts, the bottom end of the hot melting box is connected with a pump box through a pipeline, and a first pump body is fixed to one side of the pump box through bolts; and one side of the pump box is connected with an extrusion device through a pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of a prestressed plastic corrugated pipe extrusion device capable of cooling and shaping, in particular to a prestressed plastic corrugated pipe extrusion device capable of cooling and shaping. Background Art

[0002] Plastic corrugated pipes are widely used in various municipal projects such as various pipelines under roads and various pipelines on bridges. With the vigorous development of municipal projects, the demand for plastic corrugated pipes is increasing. The traditional corrugated pipe production separates the hot melting and extrusion of raw materials. When the hot-melted raw materials are transported to the extrusion device for the second time, the temperature may be reduced, and the hot-melted raw materials will solidify, which may cause certain difficulties in extrusion. At the same time, when the corrugated pipe is extruded, the extruded corrugated pipe is not supported, and the pipe may bend and deform.

[0003] After searching, it was found that a prestressed plastic corrugated pipe extrusion production equipment was disclosed in the Chinese patent with authorization announcement 202021645842.X, including an extruder, a cooling component and a compression component. A cooling component is installed at one end of the extruder, and the cooling component includes a connecting pipe, a first support frame, a cooling pool and a water pump. The interior of the connecting pipe is hollow, and both ends of the connecting pipe are fixed on one side of the first support frame, one end of the first support frame is threadedly connected to the cooling pool, a water pump is installed on the side of the cooling pool away from the first support frame, and a water pipe is connected to one side of the water pump, and the end of the water pipe away from the water pump passes through the first support frame and is connected to the connecting pipe.

[0004] However, the patents in the prior art have the following disadvantages:

[0005] This kind of prestressed plastic corrugated pipe extrusion production equipment is not equipped with a hot melt device, and is unable to perform high-temperature hot melt on the raw materials. The corrugated pipe is formed solely by extrusion, and there is no support for the extruded corrugated pipe. The corrugated pipe may bend and not straight, which has a certain impact on the high qualified rate of the corrugated pipe production. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the deficiencies in the prior art, the utility model provides a prestressed plastic corrugated pipe extrusion device that can be cooled and formed, which solves the problem that there is no hot-melt device, the raw materials cannot be hot-melted at high temperature, the corrugated pipe is formed simply by extrusion, and the extruded corrugated pipe has no support, which may cause the corrugated pipe to bend and not straight, and the high qualified rate of corrugated pipe production is affected to a certain extent.

[0008] (II) Technical solution

[0009] To achieve the above objectives, the utility model is implemented through the following technical solutions: it includes a hot melt box, characterized in that: a feed pipe is fixed to the upper end of the hot melt box by bolts, legs are fixed to the two sides of the hot melt box by bolts, the bottom end of the hot melt box is connected to a pump box by a pipeline, a first pump body is fixed to one side of the pump box by bolts, an extrusion device is connected to one side of the pump box by a pipeline, a second mold is arranged on one side of the extrusion device, a first mold is arranged on the upper end of the second mold, a second telescopic device is fixed to the bottom end of the second mold by bolts, gantries are arranged on both sides of the first mold, the first telescopic device is fixed to the bottom end of the gantry by bolts, the first telescopic device is fixed to the first mold by bolts, a cooling groove is arranged at one end of the second mold, a spray head is fixed to the upper end of the cooling groove by bolts, a purifier is fixed to one side of the cooling groove by bolts, and the second pump body is fixed to one side of the purifier by bolts.

[0010] As a preferred embodiment of the utility model, a crossbeam is fixed between the legs by bolts, and a pump box is fixed to the upper end of the crossbeam by bolts.

[0011] As a preferred embodiment of the utility model, a plurality of vibrators are fixed to the upper ends of both sides of the first mold by bolts, and a plurality of vibrators are fixed to the lower ends of both sides of the second mold by bolts.

[0012] As a preferred embodiment of the utility model, a blocking plate is provided at one end of the first mold, and a support rod is fixed to one side of the blocking plate by bolts.

[0013] As a preferred embodiment of the utility model, the support rod is fixed with a rotating shaft by bolts, the upper end of the rotating shaft is connected with a first motor by a shaft, and the first motor is fixed to the gantry by bolts.

[0014] As a preferred embodiment of the utility model, a plurality of driving rollers are rotatably connected inside the cooling groove, and a second motor is fixed to a corresponding position of the driving roller on one side of the cooling groove by bolts.

[0015] As a preferred embodiment of the utility model, a plurality of auxiliary rollers are arranged inside the cooling trough, and the auxiliary rollers are equidistantly distributed along the axis of the cooling trough.

[0016] As a preferred embodiment of the utility model, the upper end and the lower end of the auxiliary roller are sleeved with bearings, and the bearings are fixed to the upper end and the bottom end of the cooling trough through a fixing plate.

[0017] (III) Beneficial effects

[0018] The utility model provides a prestressed plastic corrugated pipe extrusion device capable of cooling and shaping, which has the following beneficial effects:

[0019] 1. The utility model is a prestressed plastic corrugated pipe extrusion device capable of cooling and shaping. A heating device is provided to melt the raw materials. A pump body is provided to feed the molten raw materials into the extrusion device.

[0020] 2. The utility model is a prestressed plastic corrugated pipe extrusion device that can be cooled and shaped. By setting a vacuum sizing device, the molten raw material can be shaped to a certain size and shape. By setting a vibrator, the device filled with molten raw material is vibrated to reduce the gap between the raw materials and prevent bubbles from existing between the raw materials to affect the quality of the corrugated pipe.

[0021] 3. The utility model is a prestressed plastic corrugated pipe extrusion device capable of cooling and shaping. By arranging a cooling groove, the tubular blank is cooled and shaped, so that the corrugated pipe has a certain elasticity. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the partial structure of the extrusion device of the utility model;

[0025] Figure 3 It is a schematic diagram of the right structure of the utility model;

[0026] In the figure: 1. feed pipe; 2. hot melt box; 3. pump box; 4. first pump body; 5. crossbeam; 6. support leg; 7. extrusion device; 8. first telescopic device; 9. vibrator; 10. second telescopic device; 11. gantry; 12. first mold; 13. second mold; 14. first motor; 15. rotating shaft; 16. support rod; 17. blocking plate; 18. purifier; 19. second pump body; 20. second motor; 21. driving roller; 22. cooling trough; 23. auxiliary roller; 24. bearing; 25. spray head. DETAILED DESCRIPTION

[0027] 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. 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.

[0028] See also Figures 1 to 3The utility model provides a technical solution: a prestressed plastic corrugated pipe extrusion device that can be cooled and shaped, comprising a hot melt box 2, a feed pipe 1 is fixed to the upper end of the hot melt box 2 by bolts, legs 6 are fixed to the two sides of the hot melt box 2 by bolts, a pump box 3 is connected to the bottom end of the hot melt box 2 by a pipeline, a first pump body 4 is fixed to one side of the pump box 3 by bolts, an extrusion device 7 is connected to one side of the pump box 3 by a pipeline, a second mold 13 is arranged on one side of the extrusion device 7, and a first mold 12 is arranged on the upper end of the second mold 13. A second telescopic device 10 is fixed to the bottom of the second mold 13 by bolts, and gantry frames 11 are arranged on both sides of the first mold 12. The bottom of the gantry frames 11 is fixed to the first telescopic device 8 by bolts, and the first telescopic device 8 is fixed to the first mold 12 by bolts. A cooling groove 22 is arranged at one end of the second mold 13, and a spray head 25 is fixed to the upper end of the cooling groove 22 by bolts. A purifier 18 is fixed to one side of the cooling groove 22 by bolts, and a second pump body 19 is fixed to one side of the purifier 18 by bolts.

[0029] In a specific embodiment of the utility model, a feed pipe 1 is fixed at the upper end of the hot melt box 2 for feeding raw materials, legs 6 are fixed on both sides of the hot melt box 2 for supporting the hot melt box 2, a pump box 3 is connected to the bottom end of the hot melt box 2 through a pipeline, a first pump body 4 is fixed on one side of the pump box 3 for pressurizing the hot melt raw materials, an extrusion device 7 is connected to one side of the pump box 3 through a pipeline for extruding the hot-melt raw materials, a second mold 13 is arranged on one side of the extrusion device 7, a first mold 12 is arranged on the upper end of the second mold 13, the hot melt raw materials are formed into a tubular structure by the cooperation of the second mold 13 and the first mold 12, a second telescopic device 10 is fixed to the bottom end of the second mold 13, when the hot melt raw materials are formed, the second mold 13 is lowered and separated from the molding tube by the second telescopic device 10, and the first mold 12 is arranged on both sides. A gantry 11 is provided on the side for installing and fixing the first telescopic device 8. The first telescopic device 8 is fixed at the bottom end of the gantry 11. The first telescopic device 8 is fixed with a first mold 12. After the hot-melt raw material is formed, the first mold 12 is lifted and separated from the forming tube through the first telescopic device 8 to facilitate pipeline transportation. A cooling groove 22 is provided at one end of the second mold 13. By providing the cooling groove 22, the tubular blank is cooled and shaped so that the corrugated tube has a certain elasticity. A spray head 25 is fixed at the upper end of the cooling groove 22 for spraying coolant to cool the pipeline. A purifier 18 is fixed on one side of the cooling groove 22 to purify the coolant for reuse to prevent impurities from clogging the spray head 25. A second pump body 19 is fixed on one side of the purifier 18 to pressurize the coolant and transmit it to the spray head 25.

[0030] Specifically, a crossbeam 5 is fixed between the legs 6 by bolts, and a pump box 3 is fixed to the upper end of the crossbeam 5 by bolts.

[0031] In order to solve the problem of pump box fixing firmly, such as Figure 1 As shown, a crossbeam 5 is fixed between the legs 6, and a pump box 3 is fixed to the upper end of the crossbeam 5 to ensure that the pump box is firmly fixed.

[0032] Specifically, a plurality of vibrators 9 are fixed to the upper ends of both sides of the first mold 12 by bolts, and a plurality of vibrators 9 are fixed to the lower ends of both sides of the second mold 13 by bolts.

[0033] In order to solve the problem of compacting the hot melt material inside the pipe and preventing bubbles from appearing, such as Figure 1 As shown, several vibrators 9 are fixed on the upper ends of both sides of the first mold 12, and several vibrators 9 are fixed on the lower ends of both sides of the second mold 13. By setting the vibrators 9, the device filled with molten raw materials is vibrated to reduce the gaps between the raw materials, prevent bubbles from existing between the raw materials, and affect the quality of the corrugated pipe.

[0034] Specifically, a blocking plate 17 is disposed at one end of the first mold 12 , and a support rod 16 is fixed to one side of the blocking plate 17 by bolts.

[0035] In order to solve the problem of hot melt material overflowing from the end of the mold, such as Figure 1 As shown, a blocking plate 17 is provided at one end of the first mold 12, and a support rod 16 is fixed to one side of the blocking plate 17 to prevent the hot melt material from overflowing at the end of the mold.

[0036] Specifically, the support rod 16 is fixed with a rotating shaft 15 by bolts, and the upper end of the rotating shaft 15 is connected with a first motor 14 by an axis, and the first motor 14 is fixed on the gantry 11 by bolts.

[0037] In order to solve the problem that the plugging plate will not hinder the removal of the pipeline, such as Figure 1 As shown, the support rod 16 is fixed with a rotating shaft 15, and the upper end of the rotating shaft 15 is connected to a first motor 14 through an axis. The first motor 14 is fixed on the gantry 11. When the pipeline is output, the first motor 14 drives the support rod 16 through the rotating shaft 15 to open the blocking plate 17 to both sides so as not to block the pipeline output.

[0038] Specifically, a plurality of driving rollers 21 are rotatably connected inside the cooling groove 22 , and a second motor 20 is fixed to a position corresponding to the driving roller 21 on one side of the cooling groove 22 by bolts.

[0039] In order to solve the problem of pipe movement in the cooling tank, such as Figure 1 As shown, a plurality of driving rollers 21 are rotatably connected inside the cooling trough 22 for moving the pipe inside the cooling trough 22 , and a second motor 20 is fixed at a position corresponding to the driving roller 21 on one side of the cooling trough 22 for providing power for the driving roller 21 to rotate.

[0040] Specifically, a plurality of auxiliary rollers 23 are disposed inside the cooling groove 22 , and the auxiliary rollers 23 are equidistantly distributed along the axis of the cooling groove 22 .

[0041] In order to solve the problem of left and right limit of pipeline transmission in cooling tank, such as Figure 1 As shown, auxiliary rollers 23 are arranged inside the cooling trough 22 , and the auxiliary rollers 23 are evenly distributed along the axis of the cooling trough 22 , and are used for left and right limiting of the pipeline during transmission in the cooling trough 22 .

[0042] Specifically, the upper and lower ends of the auxiliary roller 23 are sleeved with bearings 24 , and the bearings 24 are fixed to the upper and lower ends of the cooling tank 22 through fixing plates.

[0043] In order to solve the problem of reducing the friction between the auxiliary roller and the pipe, such as Figure 1 As shown, the upper and lower ends of the auxiliary roller 23 are sleeved with bearings 24, and the bearings 24 are fixed to the upper and lower ends of the cooling trough 22 through fixing plates. The arrangement of the bearings 24 allows the pipeline to enter the cooling trough 22, and the friction between the pipeline and the auxiliary roller 23 when they contact is rolling friction, thereby reducing friction resistance.

[0044] The specific implementation methods disclosed in the present invention omit detailed descriptions of known functions and known components. To ensure the compatibility of the equipment, the operating methods adopted are consistent with the parameters of commercially available equipment.

[0045] In summary, the working principle and use process of the utility model are as follows: a feed pipe 1 is fixed at the upper end of the hot melt box 2 for feeding raw materials, legs 6 are fixed on both sides of the hot melt box 2 for supporting the hot melt box 2, a pump box 3 is connected to the bottom end of the hot melt box 2 through a pipeline, a first pump body 4 is fixed to one side of the pump box 3 for pressurizing the hot melt raw materials, an extrusion device 7 is connected to one side of the pump box 3 through a pipeline for extruding the hot-melt raw materials, a second mold 13 is arranged on one side of the extrusion device 7, a first mold 12 is arranged on the upper end of the second mold 13, the hot melt raw materials are formed into a tubular structure by the cooperation of the second mold 13 and the first mold 12, a second telescopic device 10 is fixed to the bottom end of the second mold 13, and when the hot melt raw materials are formed, the second telescopic device 10 is passed through the second telescopic device 10 The second mold 13 is lowered and separated from the forming tube. Gantry frames 11 are set on both sides of the first mold 12 for installing and fixing the first telescopic device 8. The first telescopic device 8 is fixed at the bottom of the gantry frame 11. The first telescopic device 8 is fixed with the first mold 12. After the hot-melt raw material is formed, the first mold 12 is raised and separated from the forming tube through the first telescopic device 8 to facilitate pipeline transportation. A cooling groove 22 is set at one end of the second mold 13. By setting the cooling groove 22, the tubular blank is cooled and shaped so that the corrugated tube has a certain elasticity. A spray head 25 is fixed at the upper end of the cooling groove 22 for spraying coolant to cool the pipeline. A purifier 18 is fixed on one side of the cooling groove 22 to purify the coolant for reuse to prevent impurities. The spray head 25 is blocked, and a second pump body 19 is fixed on one side of the purifier 18 to pressurize the coolant and transmit it to the spray head 25. A crossbeam 5 is fixed between the legs 6, and a pump box 3 is fixed on the upper end of the crossbeam 5 to fix the pump box firmly. Several vibrators 9 are fixed on the upper ends of both sides of the first mold 12, and several vibrators 9 are fixed on the lower ends of both sides of the second mold 13. By setting the vibrators 9, the device filled with molten raw materials is vibrated to reduce the gap between the raw materials and prevent bubbles from existing between the raw materials to affect the quality of the bellows. A blocking plate 17 is provided at one end of the first mold 12, and a support rod 16 is fixed on one side of the blocking plate 17 to prevent the hot-melt material from overflowing at the end of the mold. A rotating shaft 15 is fixed to the support rod 16, and the upper end of the rotating shaft 15 is connected to the second mold 13 through an axis. A motor 14, wherein the first motor 14 is fixed on the gantry 11. When the pipeline is output, the first motor 14 drives the support rod 16 through the rotating shaft 15 to open the blocking plate 17 to both sides so as not to block the pipeline output. A plurality of driving rollers 21 are rotatably connected inside the cooling trough 22 for moving the pipeline in the cooling trough 22. A second motor 20 is fixed at a corresponding position of the driving roller 21 on one side of the cooling trough 22 for providing power for the driving roller 21 to rotate. Auxiliary rollers 23 are arranged inside the cooling trough 22. The auxiliary rollers 23 are equidistantly distributed along the axis of the cooling trough 22 for left and right position limiting of the pipeline during transmission in the cooling trough 22. The upper and lower ends of the auxiliary rollers 23 are sleeved with bearings 24, which are fixed to the upper and lower ends of the cooling trough 22 through a fixing plate.The bearing 24 is arranged so that the friction between the pipe entering the cooling groove 22 and the auxiliary roller 23 is rolling friction, which reduces the friction resistance.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prestressed plastic corrugated pipe extrusion device capable of cooling and shaping, comprising a hot melt box (2), characterized in that: A feed pipe (1) is fixed to the upper end of the hot melt box (2) by bolts, legs (6) are fixed to both sides of the hot melt box (2) by bolts, a pump box (3) is connected to the lower end of the hot melt box (2) by a pipeline, a first pump body (4) is fixed to one side of the pump box (3) by bolts, an extrusion device (7) is connected to one side of the pump box (3) by a pipeline, a second mold (13) is provided on one side of the extrusion device (7), a first mold (12) is provided on the upper end of the second mold (13), a second extension mold (12) is fixed to the lower end of the second mold (13) by bolts, A contraction device (10) is provided on both sides of the first mold (12), a gantry (11) is provided on the bottom end of the gantry (11) with a first telescopic device (8) fixed by bolts, the first telescopic device (8) is fixed to the first mold (12) by bolts, a cooling groove (22) is provided at one end of the second mold (13), a spray head (25) is fixed to the upper end of the cooling groove (22) by bolts, a purifier (18) is fixed to one side of the cooling groove (22) by bolts, and a second pump body (19) is fixed to one side of the purifier (18) by bolts.

2. The cooling and shaping prestressed plastic corrugated pipe extrusion device according to claim 1 is characterized in that: A crossbeam (5) is fixed between the legs (6) by bolts, and a pump box (3) is fixed to the upper end of the crossbeam (5) by bolts.

3. The cooling and shaping prestressed plastic corrugated pipe extrusion device according to claim 1 is characterized in that: A plurality of vibrators (9) are fixed to the upper ends of both sides of the first mold (12) by means of bolts, and a plurality of vibrators (9) are fixed to the lower ends of both sides of the second mold (13) by means of bolts.

4. The cooling and shaping prestressed plastic corrugated pipe extrusion device according to claim 3 is characterized in that: A blocking plate (17) is provided at one end of the first mold (12), and a support rod (16) is fixed to one side of the blocking plate (17) by bolts.

5. The cooling and shaping prestressed plastic corrugated pipe extrusion device according to claim 4 is characterized in that: The support rod (16) is fixed with a rotating shaft (15) by means of bolts, the upper end of the rotating shaft (15) is connected with a first motor (14) by means of a shaft, and the first motor (14) is fixed to the gantry (11) by means of bolts.

6. The cooling and shaping prestressed plastic corrugated pipe extrusion device according to claim 1 is characterized in that: A plurality of driving rollers (21) are rotatably connected inside the cooling groove (22), and a second motor (20) is fixed to a corresponding position of the driving roller (21) on one side of the cooling groove (22) by means of bolts.

7. A cooling and shaping prestressed plastic corrugated pipe extrusion device according to claim 6, characterized in that: A plurality of auxiliary rollers (23) are arranged inside the cooling groove (22), and the auxiliary rollers (23) are distributed at equal distances along the axis of the cooling groove (22).

8. The cooling and shaping prestressed plastic corrugated pipe extrusion device according to claim 7, characterized in that: The upper and lower ends of the auxiliary roller (23) are sleeved with bearings (24), and the bearings (24) are fixed to the upper and lower ends of the cooling trough (22) through fixing plates.

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