Air cooling structure of pipeline production extrusion die

Abstract

The invention discloses an air cooling structure of a pipeline production extrusion die, which comprises an air cooling type water cooling heat dissipation structure arranged on an extrusion head in the pipeline production extrusion die, and the air cooling type water cooling heat dissipation structure comprises a water cooling assembly, an air cooling assembly and a water tank. According to the pipeline production extrusion die, the extrusion head can be cooled through the air-cooled water-cooling heat dissipation structure, so that the extrusion head of the pipeline production extrusion die can be cooled, and a pipeline extruded from the extrusion head is further cooled; wherein the water-cooling assembly can directly cool an extrusion head, the air-cooling assembly can cool a water-cooling shell A and a water-cooling shell B in the water-cooling assembly, so that the cooling efficiency is improved, air sucked by the fan can be cooled through the radiator, discharged water can be cooled at the same time, and therefore a water-cooling and air-cooling coexisting circulating system can be formed; and water cooling and air cooling interact with each other, so that the cooling effect is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of air cooling structures of pipeline moulds, and in particular to an air cooling structure of an extrusion mould for producing pipelines. Background Art

[0002] The pipe production extrusion die is installed on the pipe production equipment for the heated and melted materials to pass through and extrude into shape. The current pipe production extrusion die does not have a good pre-cooling structure. The cooling structure is set separately. After the pipe is formed, the pipe passes through the cooling device, so that the pipe is cooled and formed. For this reason, we propose an air-cooling structure for the pipe production extrusion die to pre-cool the extruded pipe and improve the efficiency of the later cooling and forming of the pipe. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcoming that the current pipeline production extrusion die does not have a good pre-cooling structure, and proposes an air cooling structure for the pipeline production extrusion die to pre-cool the extruded pipeline and improve the later cooling and molding efficiency of the pipeline.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] An air-cooling structure for a pipe production extrusion die, comprising an air-cooled water-cooled heat dissipation structure arranged on an extrusion head in the pipe production extrusion die, wherein the air-cooled water-cooled heat dissipation structure comprises a water-cooling component, an air-cooling component and a water tank;

[0006] The water cooling assembly includes a water cooling cylinder, and the water cooling cylinder includes a water cooling shell A and a water cooling shell B connected together, and the water cooling shell A and the water cooling shell B are held outside the extruder head, and the water cooling shell A and the water cooling shell B are provided with spiral water channels on the relative inner walls, and the inner walls of the water cooling shell A and the water cooling shell B are in contact with the surface of the extruder head, the water cooling shell A is connected with a water inlet pipe, and the water inlet pipe is connected to the spiral water channel on the water cooling shell A, the water cooling shell B is connected with a water outlet pipe, and the water outlet pipe is connected to the spiral water channel on the water cooling shell B, and the water inlet pipe and the water outlet pipe converge in a water tank;

[0007] The air cooling component includes an air cooling box, and the air cooling box includes an air cooling shell A and an air cooling shell B connected together, the air cooling shell A and the air cooling shell B are held outside the water cooling cylinder, and the bottom of the air cooling shell B is connected to an installation box and a guide box, and the bottom of the installation box is connected to a fan component, and the fan component includes a fan and a shell.

[0008] The working principle of the air-cooled water-cooling heat dissipation structure: the water in the water tank is supplied to the spiral water channel on the water-cooling shell A through the water inlet pipe, the water source enters the spiral water channel, flows along the spiral path in the spiral water channel and passes through the surface of the water-cooling cylinder, and then flows into the water tank from the water outlet pipe. In this process, the water source takes away the heat from the surface of the water-cooling cylinder during the flow; at the same time, the fan assembly starts to blow wind toward the installation box, enters the air-cooling box, and then is discharged from the guide box. In this process, the wind discharged from the air-cooling box can take away the heat from the surface of the water-cooling cylinder.

[0009] Preferably, a docking edge is fixed at a position near the side of the bottom of the water-cooling housing A, a docking groove is provided at a position near the side of the top of the water-cooling housing B, the docking edge is plugged into the docking groove, a connection block A is fixed at a position near the bottom of the outer surface of the water-cooling housing A, a connection block B is fixed at a position near the top of the outer surface of the water-cooling housing B, and arc-shaped sealing gaskets are provided at positions near the ends of the opposite surfaces of the water-cooling housing A and the water-cooling housing B;

[0010] When it is necessary to connect the water-cooling shell A and the water-cooling shell B together and hold them outside the extrusion head, the staff will bring the water-cooling shell A and the water-cooling shell B relatively close and clamp them outside the extrusion head, and make the connecting block A and the connecting block B butt and fit together, and then connect the connecting block A and the connecting block B together through bolts, so that the water-cooling shell A and the water-cooling shell B are positioned and connected outside the extrusion head, and at the same time, the water-cooling shell A and the water-cooling shell B are squeezed outside the extrusion head through the sealing gasket, which can prevent the water source from leaking in the spiral water channel to the outside of the extrusion head and the water-cooling cylinder.

[0011] Preferably, the water inlet pipe comprises a fixed joint connected to the water-cooling housing A and the water-cooling housing B, the fixed joint on the water-cooling housing A is connected to a pipe joint A, the pipe joint A is connected to an upper water pipe, one end of the upper water pipe is connected to the pump body and is away from the pipe joint A, the fixed joint on the water-cooling housing B is connected to a pipe joint B, and the pipe joint B is connected to a drain pipe, wherein the pump body and the drain end of the drain pipe extend into the water tank;

[0012] When in use, the pump body works to pump water in the water tank through the water supply pipe, pipe joint A and the fixed joint into the spiral waterway. After flowing through the spiral waterway, the water flows into the water tank through the fixed joint, pipe joint B and the drain pipe.

[0013] Preferably, a diverging sheet is screwed on the outside of the water-cooling shell A and the water-cooling shell B in a threaded connection. The diverging sheet can disperse the heat on the water-cooling shell A and the water-cooling shell B to the diverging sheet. The diverging sheet is provided with a soft dry heat dissipation hole. When the wind blows to the diverging sheet and passes through the heat dissipation hole, the heat on the water-cooling shell A and the water-cooling shell B can be driven away faster by the wind.

[0014] Preferably, arc-shaped openings A are provided on both sides of the air-cooled housing A, arc-shaped openings B are provided on both sides of the air-cooled housing B, the arc-shaped openings A and B are matched with the water-cooled housing A and the water-cooled housing B, a connection block C is fixed on the surface of the air-cooled housing A near the bottom, and a connection block D is fixed on the surface of the air-cooled housing B near the top;

[0015] When it is necessary to connect the air-cooled shell A and the air-cooled shell B to the outside of the water-cooled cylinder, the staff will bring the air-cooled shell A and the air-cooled shell B relatively close and clamp them on the outside of the water-cooled shell A and the water-cooled shell B, and fit the connecting block C and the connecting block D together accordingly, and then connect the connecting block C and the connecting block D together with bolts, so as to position the air-cooled shell A and the air-cooled shell B outside the water-cooled cylinder.

[0016] Preferably, a discharge port and an upper air port are provided at the bottom of the air-cooled shell B, a connecting block E is fixed on the installation box, and the connecting block E is connected to the bottom of the air-cooled shell B by bolts, so that the interior of the installation box corresponds to the upper air port, a connecting block F is fixed on the guide box, and the connecting block F is connected to the bottom of the air-cooled shell B by bolts, so that the interior of the guide box corresponds to the discharge port, and the wind inside the installation box can be blown into the air-cooled box through the upper air port, and the wind in the air-cooled box flows along the cavity between the air-cooled box and the water-cooled cylinder and is discharged from the discharge port into the guide box and then discharged, so as to drive the heat on the surfaces of the water-cooled shell A and the water-cooled shell B.

[0017] Preferably, an opening is provided through the surface of the guide box near the bottom end which is inclined downward, and an adjusting baffle is inserted in the opening. The bottom end of the guide box can be sealed by adjusting the baffle, and the air outlet can be controlled by adjusting the opening size of the baffle. In addition, water droplets generated and attached to the outside of the water-cooled shell A and the water-cooled shell B due to the temperature difference gather and drip into the inside of the air-cooled shell B and flow from the discharge port into the guide box and fall into the water tank side by side.

[0018] Preferably, a connecting ring is fixed to the bottom of the installation box, a mounting frame is provided in the shell, the fan is connected to the mounting frame and is located in the shell, and the shell is connected to the connecting ring and is located at the bottom of the installation box.

[0019] Preferably, the radiator is connected to the bottom of the shell and is located in the outlet path of the guide box, and the radiator includes a copper tube rack, and the copper tube rack is sleeved with a plurality of evenly arranged heat dissipation fins, the copper tube rack is composed of a plurality of copper tubes connected together, and the plurality of copper tubes all penetrate the plurality of heat dissipation fins, a downpipe located at the bottom of the copper tube rack is connected with a downpipe and extends to the water tank, and the bottom end of the drain pipe is connected to the downpipe located at the top of the copper tube rack. When in use, water discharged from the drain pipe flows into the copper tube rack and then is discharged from the downpipe to the water tank, and the fan draws air from the bottom and blows the wind upward into the installation box. When the fan draws air, the air passes through the heat dissipation fins and the copper tubes, and can cool down the water in the copper tubes before flowing into the water tank. In addition, the wind discharged from the guide box is blown toward the radiator, which can also cool down the heat dissipation fins and the copper tubes. In this way, the water discharged to the water tank can be cooled, and the wind sucked through the radiator by the fan can also be cooled.

[0020] Preferably, an air guide assembly is connected to the side of the air cooling box, and the air guide assembly includes a conical air hood, and a cavity is provided inside the conical air hood. The inner wall of the conical air hood and the small-diameter end surface are provided with air outlet holes, and the large-diameter end surface of the conical air hood is provided with connecting holes, and there are at least three connecting holes. The three connecting holes are all threadedly connected with connecting pipes. When in use, one end of the connecting pipe is connected to the air cooling shell A and the air cooling shell B through a flange. In this way, the air cooling shell A and the air cooling shell B are connected to the cavity inside the conical air hood through the connecting pipe, and during operation When the fan is working, the air is blown into the air cooling box, and the air is discharged from the guide box in the air cooling box. The air outlet of the guide box is controlled to be smaller by adjusting the opening size of the baffle, so that most of the air volume is filled in the air cooling box composed of the air cooling shell A and the air cooling shell B, and enters the cavity in the conical wind cover from the connecting pipe, and then is discharged from the air outlet. In addition, it should be noted that the conical wind cover is located in the direction of the extruder outlet pipe, and the extruded pipe passes through the conical wind cover, so that the wind blown out from the air outlet blows on the pipe and can also cool the pipe.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The present invention can cool the extrusion head through the air-cooled water-cooled heat dissipation structure, thereby cooling the extrusion head of the pipe production extrusion mold, and further cooling the pipe extruded from the extrusion head, so as to pre-cool the extruded pipe, thereby accelerating the cooling and molding effect and improving production efficiency; wherein the water-cooling component can directly cool the extrusion head, and the air-cooling component can cool the water-cooling shell A and the water-cooling shell B in the water-cooling component, thereby improving the cooling efficiency; and the radiator can cool the wind sucked by the fan, and at the same time can cool the discharged water, so that a circulation system in which water cooling and air cooling coexist can be formed, thereby improving the consultation utilization rate, and the water cooling and air cooling interact with each other, further improving the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Axial view of an air cooling structure of a pipe production extrusion die proposed by the present invention Figure 1 ;

[0024] Figure 2 Axial view of an air cooling structure of a pipe production extrusion die proposed by the present invention Figure 2 ;

[0025] Figure 3 for Figure 2 Schematic diagram of the water cooling assembly;

[0026] Figure 4 for Figure 3 The disassembled diagram of water-cooling shell A and water-cooling shell B;

[0027] Figure 5 for Figure 2 Structural breakdown diagram of the air cooling component;

[0028] Figure 6 for Figure 5 The disassembled diagram of the middle installation box and fan assembly;

[0029] Figure 7 This is a schematic diagram of the connection between the diverging sheet and the water cooling component in the air cooling structure of the pipe production extrusion die proposed by the present invention;

[0030] Figure 8 for Figure 2 Structural breakdown diagram of the middle air guide assembly;

[0031] Fig. 9 This is a schematic diagram of an extrusion die for pipe production in the prior art.

[0032] In the figure: 1. Extrusion die for pipe production; 2. Extrusion head; 3. Water cooling assembly; 31. Water cooling shell A; 311. Butt edge; 312. Connection block A; 32. Water cooling shell B; 321. Butt groove; 322. Connection block B; 33. Fixed joint; 34. Sealing pad; 35. Pipe joint A; 36. Water supply pipe; 37. Pump body; 38. Pipe joint B; 39. Drain pipe; 310. Spiral waterway; 4. Air cooling assembly; 41. Air cooling shell A; 411. Arc mouth A; 412. Connection block C; 42. Air cooling shell B; 42 1. Arc-shaped opening B; 422. Discharge port; 423. Upper air outlet; 424. Connection block D, 43. Mounting box; 431. Connection block E; 432. Connection ring; 44. Fan assembly; 441. Fan; 442. Housing; 45. Guide box; 451. Opening; 452. Adjustment baffle; 453. Connection block F; 5. Radiator; 51. Copper pipe rack; 52. Drain pipe; 53. Cooling fins; 6. Water tank; 7. Divergence sheet; 8. Air guide assembly; 81. Conical wind hood; 811. Air outlet; 812. Connection hole; 82. Connecting pipe. DETAILED DESCRIPTION

[0033] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] In the description of the present invention, “plurality” means two or more than two, unless otherwise clearly and specifically defined.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0037] Reference Figure 1-9 , an air-cooling structure of a pipe production extrusion die, comprising an air-cooled water-cooling heat dissipation structure arranged on an extrusion head 2 in a pipe production extrusion die 1, the air-cooled water-cooling heat dissipation structure comprising a water-cooling component 3, an air-cooling component 4 and a water tank 6;

[0038] The water cooling assembly 3 includes a water cooling cylinder, and the water cooling cylinder includes a water cooling shell A31 and a water cooling shell B32 connected together, and the water cooling shell A31 and the water cooling shell B32 are held outside the extruder head 2, and the water cooling shell A31 and the water cooling shell B32 have spiral water channels 310 on their opposite inner walls, and the inner walls of the water cooling shells A31 and B32 are in contact with the surface of the extruder head 2, the water cooling shell A31 is connected with a water inlet pipe, and the water inlet pipe is connected to the spiral water channel 310 on the water cooling shell A31, the water cooling shell B32 is connected with a water outlet pipe, and the water outlet pipe is connected to the spiral water channel 310 on the water cooling shell B32, and the water inlet pipe and the water outlet pipe converge in the water tank 6;

[0039] The air cooling assembly 4 includes an air cooling box, and the air cooling box includes an air cooling shell A41 and an air cooling shell B42 connected together, the air cooling shell A41 and the air cooling shell B42 are held outside the water cooling cylinder, and the bottom of the air cooling shell B42 is connected to an installation box 43 and a guide box 45, the bottom of the installation box 43 is connected to a fan assembly 44, and the fan assembly 44 includes a fan 441 and a shell 442.

[0040] Reference Figure 1-9 , an air-cooling structure for a pipe production extrusion die, the working principle of the air-cooled water-cooling heat dissipation structure: the water in the water tank 6 is supplied to the spiral water channel 310 on the water-cooling shell A31 through the water inlet pipe, the water source enters the spiral water channel 310, flows along the spiral path in the spiral water channel 310 and passes through the surface of the water-cooling cylinder, and then flows into the water tank 6 from the water outlet pipe. In this process, the water source takes away the heat from the surface of the water-cooling cylinder during the flow; at the same time, the fan assembly 44 starts to work to blow wind toward the installation box 43, and enters the air-cooling box, and then is discharged from the guide box 45. In this process, the wind discharged from the air-cooling box can take away the heat from the surface of the water-cooling cylinder.

[0041] Reference Figure 1-9 A wind cooling structure of a pipe production extrusion die, a docking edge 311 is fixed at the bottom of a water-cooled shell A31 near the side, a docking groove 321 is provided at the top of a water-cooled shell B32 near the side, the docking edge 311 and the docking groove 321 are plugged together, a connection block A312 is fixed at the outer surface of the water-cooled shell A31 near the bottom, a connection block B322 is fixed at the outer surface of the water-cooled shell B32 near the top, and arc-shaped sealing gaskets 34 are provided on the opposite surfaces of the water-cooled shell A31 and the water-cooled shell B32 near the end;

[0042] When it is necessary to connect the water-cooling shell A31 and the water-cooling shell B32 together and hold them outside the extrusion head 2, the staff will bring the water-cooling shell A31 and the water-cooling shell B32 relatively close and clamp them outside the extrusion head 2, and make the connecting block A312 and the connecting block B322 dock and fit together, and then connect the connecting block A312 and the connecting block B322 together by bolts, so that the water-cooling shell A31 and the water-cooling shell B32 are positioned and connected outside the extrusion head 2, and at the same time, the water-cooling shell A31 and the water-cooling shell B32 are squeezed outside the extrusion head 2 through the sealing gasket 34, which can prevent the water source from leaking in the spiral water channel 310 to the outside of the extrusion head 2 and the water-cooling cylinder.

[0043] Reference Figure 1-9 , a wind cooling structure of a pipeline production extrusion die, the water inlet pipe includes a fixed joint 33 connected to a water-cooled shell A31 and a water-cooled shell B32, the fixed joint 33 on the water-cooled shell A31 is connected to a pipe joint A35, the pipe joint A35 is connected to a water supply pipe 36, one end of the water supply pipe 36 is connected to a pump body 37 and is away from the pipe joint A35, the fixed joint 33 on the water-cooled shell B32 is connected to a pipe joint B38, and the pipe joint B38 is connected to a drain pipe 39, wherein the pump body 37 and the drain end of the drain pipe 39 extend into a water tank 6;

[0044] When in use, the pump body works to pump the water source in the water tank 6 through the water supply pipe 36, the pipe joint A35 and the fixed joint 33 into the spiral waterway 310. After flowing through the spiral waterway 310, the water flows into the water tank 6 through the fixed joint 33, the pipe joint B38 and the drain pipe 39.

[0045] Reference Figure 1-9 A wind-cooling structure for a pipe production extrusion die, a water-cooling shell A31 and a water-cooling shell B32 are screwed with a diverging piece 7 on their exteriors in a threaded connection, the diverging piece 7 can disperse the heat on the water-cooling shell A31 and the water-cooling shell B32 to the diverging piece 7, a soft dry heat dissipation through hole is provided on the diverging piece 7, when the wind blows to the diverging piece 7 and passes through the heat dissipation through hole, the heat on the water-cooling shell A31 and the water-cooling shell B32 can be driven faster by the wind.

[0046] Reference Figure 1-9 , an air-cooling structure of a pipe production extrusion die, arc-shaped openings A411 are opened on both sides of an air-cooling shell A41, arc-shaped openings B421 are opened on both sides of an air-cooling shell B42, the arc-shaped openings A411 and the arc-shaped openings B421 match the water-cooling shell A31 and the water-cooling shell B32, a connection block C412 is fixed near the bottom of the surface of the air-cooling shell A41, and a connection block D424 is fixed near the top of the surface of the air-cooling shell B42;

[0047] When it is necessary to connect the air-cooling shell A41 and the air-cooling shell B42 to the outside of the water-cooling cylinder, the staff will bring the air-cooling shell A41 and the air-cooling shell B42 relatively close and clamp them on the outside of the water-cooling shell A31 and the water-cooling shell B32, and fit the connecting block C412 and the connecting block D424 together accordingly, and then connect the connecting block C412 and the connecting block D424 together with bolts, so as to position the air-cooling shell A41 and the air-cooling shell B42 outside the water-cooling cylinder.

[0048] Reference Figure 1-9 A wind-cooling structure for a pipe production extrusion die, wherein a discharge port 422 and an upper air port 423 are provided at the bottom of an air-cooling shell B42, a connecting block E431 is fixed on a mounting box 43, and the connecting block E431 is bolted to the bottom of the air-cooling shell B42, so that the interior of the mounting box 43 corresponds to the upper air port 423, a connecting block F453 is fixed on a guide box 45, and the connecting block F453 is bolted to the bottom of the air-cooling shell B42, so that the interior of the guide box 45 corresponds to the discharge port 422, and the wind inside the mounting box 43 can be blown into the air-cooling box through the upper air port 423, and the wind in the air-cooling box flows along the cavity between the air-cooling box and the water-cooling cylinder and is discharged from the discharge port 422 into the guide box 45 and then discharged, so as to drive the heat on the surfaces of the water-cooling shell A31 and the water-cooling shell B32.

[0049] Reference Figure 1-9 , an air-cooling structure for a pipe production extrusion die, an opening 451 is penetrated through the surface of the guide box 45 near the bottom end which is inclined downward, and an adjusting baffle 452 is inserted in the opening 451, by adjusting the baffle 452, the bottom end of the guide box 45 can be blocked, and by adjusting the opening size of the baffle 452, the air output can be controlled, and in addition, water droplets generated and attached to the outside of the water-cooling shell A31 and the water-cooling shell B32 due to the temperature difference gather and drip into the inside of the air-cooling shell B42 and flow from the discharge port 422 into the guide box 45 and fall into the water tank 6 side by side.

[0050] Reference Figure 1-9 A wind cooling structure for a pipe production extrusion die, a connecting ring 432 is fixed to the bottom of a mounting box 43, a mounting frame is provided in a shell 442, a fan 441 is connected to the mounting frame and is located in the shell 442, and the shell 442 is connected to the connecting ring 432 and is located at the bottom of the mounting box 43.

[0051] Reference Figure 1-9, a wind cooling structure for a pipeline production extrusion die, the radiator 5 is connected to the bottom of the shell 442 and is located in the air outlet path of the guide box 45, and the radiator 5 includes a copper tube rack 51, and the copper tube rack 51 is provided with a plurality of uniformly arranged heat dissipation fins 53, the copper tube rack 51 is composed of a plurality of copper tubes connected together, and the plurality of copper tubes all penetrate the plurality of heat dissipation fins 53, the downpipe 52 located at the bottom of the copper tube rack 51 is connected with the downpipe 52 and extends to the water tank 6, the bottom end of the drain pipe 39 is connected to the downpipe 52 located at the top of the copper tube rack 51, and when in use, the downpipe 52 is connected to the downpipe 52 located at the top of the copper tube rack 51. The water discharged from the water pipe 39 flows into the copper pipe rack 51 and then is discharged into the water tank 6 from the downpipe 52. The fan 441 draws air from the bottom and blows the wind upward to the installation box 43. When the fan 441 draws air, the air passes through the heat dissipation fins 53 and the copper pipe, which can cool the water in the copper pipe and then flow into the water tank 6. In addition, the wind discharged from the guide box 45 blows toward the radiator 5 and can also cool the heat dissipation fins 53 and the copper pipe. In this way, the water discharged to the water tank 6 can be cooled, and the wind sucked through the radiator 5 by the fan 441 can also be cooled.

[0052] Reference Figure 1-9 A wind cooling structure for a pipeline production extrusion die, wherein the side of the wind cooling box is connected with an air guide assembly, the air guide assembly includes a conical wind cover 81, and the conical wind cover 81 has a cavity inside, the inner wall and the small-diameter end surface of the conical wind cover 81 are provided with air outlet holes 811, and the large-diameter end surface of the conical wind cover 81 is provided with connecting holes 812, and there are at least three connecting holes 812, and the three connecting holes 812 are all threadedly connected with connecting pipes 82. When in use, one end of the connecting pipe 82 is connected to the wind cooling shell A41 and the wind cooling shell B42 through a flange, so that the wind cooling shell A41 and the wind cooling shell B42 are connected to the inside of the conical wind cover 81 through the connecting pipe 82. The air in the air cooling box is connected to the cavity, and when working, the fan 441 blows air into the air cooling box, and exhausts air from the guide box 45 in the air cooling box, wherein the air outlet of the guide box 45 is controlled to be smaller by adjusting the opening size of the baffle 452, so that most of the air volume is filled in the air cooling box composed of the air cooling shell A41 and the air cooling shell B42, and enters the cavity in the conical wind cover 81 from the connecting pipe 82, and then is discharged from the air outlet 811. It should also be noted that the conical wind cover 81 is located in the outlet direction of the extruder head 2, and the extruded pipe passes through the conical wind cover 81, so that the wind blown out from the air outlet 811 can blow on the pipe and cool the pipe.

[0053] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

[0054] In the description of the present invention, it is necessary to understand that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

Claims

1. An air cooling structure for a pipe production extrusion die, characterized in that: It comprises an air-cooled water-cooled heat dissipation structure arranged on an extrusion head (2) in a pipeline production extrusion die (1), wherein the air-cooled water-cooled heat dissipation structure comprises a water-cooling component (3), an air-cooling component (4) and a water tank (6); The water cooling assembly (3) comprises a water cooling cylinder, and the water cooling cylinder comprises a water cooling shell A (31) and a water cooling shell B (32) connected together, and the water cooling shell A (31) and the water cooling shell B (32) are held outside the extruder head (2), and spiral water channels (310) are provided on the inner walls of the water cooling shell A (31) and the water cooling shell B (32), and the inner walls of the water cooling shell A (31) and the water cooling shell B (32) are in contact with the surface of the extruder head (2), and the water cooling shell A (31) is connected with a water inlet pipe, and the water inlet pipe is connected to the spiral water channel (310) on the water cooling shell A (31), and the water cooling shell B (32) is connected with a water outlet pipe, and the water outlet pipe is connected to the spiral water channel (310) on the water cooling shell B (32), and the water inlet pipe and the water outlet pipe converge in a water tank (6); The air cooling assembly (4) includes an air cooling box, and the air cooling box includes an air cooling shell A (41) and an air cooling shell B (42) connected together, the air cooling shell A (41) and the air cooling shell B (42) are held outside the water cooling cylinder, and the bottom of the air cooling shell B (42) is connected to a mounting box (43) and a guide box (45), and the bottom of the mounting box (43) is connected to a fan assembly (44), and the fan assembly (44) includes a fan (441) and a shell (442).

2. The air cooling structure of a pipe production extrusion die according to claim 1, characterized in that: A docking edge (311) is fixed at a position near the side of the bottom of the water-cooling shell A (31), and a docking groove (321) is provided at a position near the side of the top of the water-cooling shell B (32). The docking edge (311) is plugged into the docking groove (321). A connecting block A (312) is fixed at a position near the bottom of the outer surface of the water-cooling shell A (31), and a connecting block B (322) is fixed at a position near the top of the outer surface of the water-cooling shell B (32). The opposite surfaces of the water-cooling shell A (31) and the water-cooling shell B (32) are both provided with arc-shaped sealing gaskets (34) near the ends.

3. The air cooling structure of a pipe production extrusion die according to claim 1, characterized in that: The water inlet pipe comprises a fixed joint (33) connected to a water-cooling housing A (31) and a water-cooling housing B (32); the fixed joint (33) on the water-cooling housing A (31) is connected to a pipe joint A (35); the pipe joint A (35) is connected to an upper water pipe (36); one end of the upper water pipe (36) is connected to a pump body (37) and is away from the pipe joint A (35); the fixed joint (33) on the water-cooling housing B (32) is connected to a pipe joint B (38); the pipe joint B (38) is connected to a drain pipe (39); the drain ends of the pump body (37) and the drain pipe (39) extend into a water tank (6).

4. The air cooling structure of a pipe production extrusion die according to claim 1, characterized in that: A diverging piece (7) is screwed on the outside of the water-cooling housing A (31) and the water-cooling housing B (32) in a threaded connection manner, and a plurality of heat dissipation through holes are provided on the diverging piece (7).

5. The air cooling structure of a pipe production extrusion die according to claim 1, characterized in that: The air-cooling shell A (41) is provided with an arc-shaped opening A (411) on both sides, and the air-cooling shell B (42) is provided with an arc-shaped opening B (421) on both sides. The arc-shaped opening A (411) and the arc-shaped opening B (421) match the water-cooling shell A (31) and the water-cooling shell B (32). A connection block C (412) is fixed near the bottom of the surface of the air-cooling shell A (41), and a connection block D (424) is fixed near the top of the surface of the air-cooling shell B (42).

6. The air cooling structure of a pipe production extrusion die according to claim 1, characterized in that: The bottom of the air-cooling housing B (42) is provided with a discharge port (422) and an upper air port (423); a connection block E (431) is fixed on the installation box (43), and the connection block E (431) is connected to the bottom of the air-cooling housing B (42) by bolts; a connection block F (453) is fixed on the guide box (45), and the connection block F (453) is connected to the bottom of the air-cooling housing B (42) by bolts.

7. The air cooling structure of a pipe production extrusion die according to claim 1, characterized in that: An opening (451) is formed through the surface of the guide box (45) at a position close to the bottom end thereof which is inclined downward, and an adjusting baffle (452) is inserted into the opening (451).

8. The air cooling structure of a pipe production extrusion die according to claim 1, characterized in that: A connecting ring (432) is fixed at the bottom of the installation box (43); a mounting frame is provided in the outer shell (442); the fan (441) is connected to the mounting frame and is located in the outer shell (442); and the outer shell (442) is connected to the connecting ring (432) and is located at the bottom of the installation box (43).

9. The air cooling structure of a pipe production extrusion die according to claim 1, characterized in that: A radiator (5) is provided at the bottom of the fan assembly (44), the radiator (5) being connected to the bottom of the housing (442) and being located in the air outlet path of the guide box (45), and the radiator (5) comprising a copper tube rack (51), and the copper tube rack (51) is sleeved with a plurality of evenly arranged heat dissipation fins (53), the copper tube rack (51) being composed of a plurality of copper tubes connected together, and the plurality of copper tubes all penetrate the plurality of heat dissipation fins (53), a downpipe (52) located at the bottom of the copper tube rack (51) is connected to a downpipe (52) and extends into the water tank (6), and the bottom end of the drain pipe (39) is connected to the downpipe (52) located at the top of the copper tube rack (51).

10. The air cooling structure of a pipe production extrusion die according to claim 1, characterized in that: The side of the air cooling box is connected to an air guide assembly, the air guide assembly includes a conical air cover (81), and the conical air cover (81) has a cavity inside. The inner wall and the small-diameter end surface of the conical air cover (81) are both provided with air outlet holes (811), and the large-diameter end surface of the conical air cover (81) is provided with connecting holes (812). There are at least three connecting holes (812), and the three connecting holes (812) are all threadedly connected with connecting pipes (82). One end of the connecting pipe (82) is connected to the air cooling shell A (41) and the air cooling shell B (42) through a flange, and the connecting pipe (82) connects the air cooling shell A (41) and the air cooling shell B (42) with the cavity inside the conical air cover (81).

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