Twin-screw plastic extruder gearbox with water cooling device

By using a heat dissipation device driven by a driving motor and a spring spring fixing combination in the gear box of the twin-screw plastic extruder, the heat dissipation efficiency and stability are improved, the problems of insufficient heat dissipation and inconvenient installation in the prior art are solved, and the gears are extended The service life of the box.

CN222185727UActive Publication Date: 2024-12-17CHENGDU JINJIFENG MASCH MFG CO LID
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Patent Information

Application Number
CN202421015717.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2024-12-17
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

The gearbox of the existing twin-screw plastic extruder is inefficient in heat dissipation under high temperature environments and is inconvenient to fix after installation, resulting in the impact of service life and working stability.

Method used

A gear box with water cooling device is designed, using a driving motor to drive the rotating shaft and reciprocating handle, and the hair dryer plate is meshed with the gear body to drive the reciprocating swing, combining the hair dryer and the hose to improve the heat dissipation efficiency; at the same time, it is carried out through springs and pulling springs. The combination of the gearbox can be extruded and fixed, ensuring its stability.

Benefits of technology

It effectively improves the cooling efficiency and stability of the gearbox, solves the problems of low temperature reduction efficiency and inconvenient installation in high-temperature environments, and extends the service life of the gearbox.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a twin-screw plastic extruder gearbox with a water cooling device, which belongs to the technical field of plastic processing equipment and comprises a bottom plate and a support plate fixedly connected to the top wall of the bottom plate, the top wall of the support plate is fixedly connected with a connecting plate, and the side wall of the support plate is fixedly connected with a first water cooling plate. The bottom wall of the connecting plate is slidably connected with a second water cooling plate, the side wall of the supporting plate is connected with a heat dissipation part used for increasing the cooling efficiency of the first water cooling plate and the second water cooling plate, the top wall of the bottom plate is slidably connected with a moving plate through a sliding groove, and the side wall of the moving plate is connected with an extrusion part used for fixing the gearbox. Wherein the extrusion part comprises a limiting groove formed in the side wall of a moving plate, an adjusting frame is rotatably connected to the inner wall of the limiting groove, a fixing assembly is slidably connected to the inner wall of the adjusting frame, the cooling efficiency of a first water cooling plate and a second water cooling plate is further improved through arrangement of an air blowing plate, and practicability is higher; and the stability of the gearbox is conveniently improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic processing equipment, in particular to a twin-screw plastic extruder gear box with a water cooling device. Background Art

[0002] In the plastic processing industry, twin-screw plastic extruders are widely used in plastic melting, mixing, plasticizing and other processes. In a twin-screw plastic extruder, the gearbox is one of the key components, and its function is to transmit power and change the speed. However, the existing twin-screw plastic extruder gearbox has poor heat dissipation effect, resulting in excessively high internal temperature of the gearbox, which affects the service life and working stability of the gearbox. Therefore, a twin-screw plastic extruder gearbox with a water cooling device is needed.

[0003] However, the prior art still has the following deficiencies: 1. When the gearbox is cooled, the traditional water cooling plate may not be able to meet the cooling requirements in a high temperature environment. Since the heat dissipation capacity of the water cooling plate is limited, when the temperature inside the gearbox is high, the water cooling plate may not be able to effectively transfer the absorbed heat to the external environment in time, resulting in reduced cooling efficiency; 2. After the gearbox is installed, it is not convenient to fix the gearbox, causing the gearbox to shake during operation, thereby affecting its working efficiency and service life.

[0004] Therefore, a twin-screw plastic extruder gear box with a water cooling device is urgently needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that when the gear box is cooled, the traditional water cooling plate may not meet the cooling demand in a high temperature environment. Due to the limited heat dissipation capacity of the water cooling plate, when the internal temperature of the gear box is high, the water cooling plate may not be able to effectively transfer the absorbed heat to the external environment in time, resulting in reduced cooling efficiency; after the gear box is installed, it is not convenient to fix the gear box, resulting in the gear box shaking during operation, thereby affecting its working efficiency and service life.

[0006] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0007] A twin-screw plastic extruder gearbox with a water cooling device is provided to improve the above problems.

[0008] The specific application is as follows:

[0009] A twin-screw plastic extruder gear box with a water cooling device comprises a bottom plate and a support plate fixedly connected to the top wall of the bottom plate, the top wall of the support plate is fixedly connected to a connecting plate, the side wall of the support plate is fixedly connected to a first water-cooled plate, the bottom wall of the connecting plate is slidably connected to a second water-cooled plate, the side wall of the support plate is connected to a heat dissipation component for accelerating the cooling efficiency of the first water-cooled plate and the second water-cooled plate, the top wall of the bottom plate is provided with a slide groove, the top wall of the bottom plate is slidably connected to a movable plate through the slide groove, the side wall of the movable plate is connected to an extrusion component for fixing the gear box, wherein the extrusion component comprises a limiting groove provided on the side wall of the movable plate, the inner wall of the limiting groove is rotatably connected to an adjusting frame, and the inner wall of the adjusting frame is slidably connected to a fixing component.

[0010] As a preferred technical solution of the present application, the heat dissipation component includes a stabilizing plate fixedly connected to the side wall of the support plate, the side wall of the stabilizing plate is rotatably connected to a blowing plate, the bottom wall of the blowing plate is fixedly connected to a gear body, the side wall of the stabilizing plate is slidably connected to a rack, the rack is meshed with the gear body, the top wall of the rack is fixedly connected to a reciprocating handle, the side wall of the stabilizing plate is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a rotating shaft, the rotating shaft is also slidably connected to the inner wall of the reciprocating handle, the side wall of the stabilizing plate is fixedly connected to a hair dryer, the side wall of the hair dryer is fixedly connected to a hose, the end of the hose away from the hair dryer is also fixedly connected to the blowing plate, and the hair dryer, hose and blowing plate are connected.

[0011] As a preferred technical solution of the present application, the fixing assembly includes a sliding rod slidably connected to the inner wall of the adjusting frame, a spring is sleeved on the outer wall of the sliding rod, a top plate is fixedly connected to the side wall of the sliding rod, two ends of the spring are distributed on the top plate and fixedly connected to the adjusting frame, a tension spring is fixedly connected to the inner wall of the adjusting frame, and one end of the tension spring away from the adjusting frame is also fixedly connected to the movable plate, and two groups of limit grooves are symmetrically arranged about the central axis of the movable plate.

[0012] As a preferred technical solution of the present application, the top wall of the connecting plate is fixedly connected to a refrigeration box, the side wall of the refrigeration box is fixedly connected to a first water pipe, an end of the first water pipe away from the refrigeration box is also fixedly connected to the first water-cooled plate, the side wall of the refrigeration box is fixedly connected to a second water pipe, an end of the second water pipe away from the refrigeration box is also fixedly connected to the second water-cooled plate, the outer wall of the first water pipe is fixedly connected to a first water pump, and the outer wall of the second water pipe is fixedly connected to a second water pump, the refrigeration box, the first water pipe and the first water-cooled plate are connected, the refrigeration box, the second water pipe and the second water-cooled plate are connected, the side wall of the refrigeration box is fixedly connected to a first water outlet pipe, the end of the first water outlet pipe away from the refrigeration box is also fixedly connected to the first water-cooled plate, the side wall of the refrigeration box is fixedly connected to the second water outlet pipe, and the end of the second water outlet pipe away from the refrigeration box is also fixedly connected to the second water-cooled plate, the refrigeration box, the first water outlet pipe and the first water-cooled plate are connected, and the refrigeration box, the second water outlet pipe and the second water-cooled plate are connected.

[0013] As a preferred technical solution of the present application, the top wall of the refrigeration box is fixedly connected to a cylinder, one end of the second water-cooled plate passing through the connecting plate is also fixedly connected to a lifting plate, the output end of the cylinder is fixedly connected to the lifting plate, the inner wall of the movable plate is threadedly connected to a fixing bolt, one end of the fixing bolt passing through the movable plate is also threadedly connected to the bottom plate, and two groups of the fixing bolts are symmetrically arranged about the central axis of the movable plate.

[0014] In the scheme of this application:

[0015] 1. The drive motor drives the rotating shaft to rotate, and the rotating shaft drives the reciprocating handle to move, thereby driving the rack to slide back and forth, and the rack meshes with the gear body, thereby driving the blowing plate to swing back and forth, thereby further improving the cooling efficiency of the gear box, and solving the problem that when the gear box is cooled in the prior art, the traditional water cooling plate may not meet the cooling requirements in a high temperature environment. Due to the limited heat dissipation capacity of the water cooling plate, when the internal temperature of the gear box is high, the water cooling plate may not be able to effectively transfer the absorbed heat to the external environment in time, resulting in reduced cooling efficiency;

[0016] 2. The top plate is driven by the spring to squeeze the gear box, and the adjustment frame is pulled under the action of the tension spring to fix the gear box, thereby improving the stability of the gear box during operation, and solving the problem in the prior art that after the gear box is installed, it is inconvenient to fix the gear box, causing the gear box to shake during operation, thereby affecting its working efficiency and service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the overall structural schematic diagrams of a twin-screw plastic extruder gearbox with a water cooling device provided in this application;

[0018] Figure 2 The second schematic diagram of the overall structure of a twin-screw plastic extruder gearbox with a water cooling device provided in this application;

[0019] Figure 3 A schematic cross-sectional structure diagram of a twin-screw plastic extruder gearbox with a water cooling device provided in the present application;

[0020] Figure 4 A schematic diagram of a partial structure of a twin-screw plastic extruder gearbox with a water cooling device provided in the present application;

[0021] Figure 5 A twin-screw plastic extruder gearbox with a water cooling device provided in this application Figure 3 A magnified view of the structure in the middle;

[0022] Figure 6 A twin-screw plastic extruder gearbox with a water cooling device provided in this application Figure 4 A magnified view of the structure in middle B.

[0023] Indications in the figure: 100, bottom plate; 101, support plate; 102, connecting plate; 103, first water-cooling plate; 104, second water-cooling plate; 105, slide groove; 106, moving plate; 107, limit groove; 108, adjustment frame; 110, stabilizing plate; 111, blowing plate; 112, gear body; 113, rack; 114, reciprocating handle; 115, driving motor; 116, rotating shaft; 117, hair dryer; 118, hose; 120, slide rod; 121, spring; 122, top plate; 123, tension spring; 130, refrigeration box; 131, first water pipe; 132, second water pipe; 133, first water pump; 134, second water pump; 135, cylinder; 136, lifting plate; 137, fixing bolt; 140, first water outlet pipe; 141, second water outlet pipe. DETAILED DESCRIPTION

[0024] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0025] like Figure 1-4As shown, this embodiment proposes a twin-screw plastic extruder gearbox with a water cooling device, including a bottom plate 100 and a support plate 101 fixedly connected to the top wall of the bottom plate 100, the top wall of the support plate 101 is fixedly connected to a connecting plate 102, the side wall of the support plate 101 is fixedly connected to a first water-cooling plate 103, the bottom wall of the connecting plate 102 is slidably connected to a second water-cooling plate 104, and the side wall of the support plate 101 is connected to a heat dissipation component for accelerating the cooling efficiency of the first water-cooling plate 103 and the second water-cooling plate 104. A slide groove 105 is provided on the top wall of the bottom plate 100, and a movable plate 106 is slidably connected to the top wall of the bottom plate 100 through the slide groove 105. An extrusion component for fixing the gear box is connected to the side wall of the movable plate 106, wherein the extrusion component includes a limiting groove 107 provided on the side wall of the movable plate 106, and an adjustment frame 108 is rotatably connected to the inner wall of the limiting groove 107, and a fixing component is slidably connected to the inner wall of the adjustment frame 108, which can slide through the bottom plate 100, thereby facilitating the installation of the gear box.

[0026] like Figure 1-6 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the heat dissipation component includes a stabilizing plate 110 fixedly connected to the side wall of the support plate 101, the side wall of the stabilizing plate 110 is rotatably connected to the blowing plate 111, the bottom wall of the blowing plate 111 is fixedly connected to the gear body 112, the side wall of the stabilizing plate 110 is slidably connected to the rack 113, the rack 113 is meshed with the gear body 112, the top wall of the rack 113 is fixedly connected to the reciprocating handle 114, and the side wall of the stabilizing plate 110 is fixedly connected to the driving motor 115 The output end of the driving motor 115 is fixedly connected with a rotating shaft 116, and the rotating shaft 116 is also slidably connected to the inner wall of the reciprocating handle 114. The side wall of the stabilizing plate 110 is fixedly connected with a hair dryer 117, and the side wall of the hair dryer 117 is fixedly connected with a hose 118. The end of the hose 118 away from the hair dryer 117 is also fixedly connected to the blowing plate 111. The hair dryer 117, the hose 118 and the blowing plate 111 are connected. By arranging the hair dryer 117 and the blowing plate 111, the heat dissipation efficiency of the gear box can be further improved.

[0027] like Figure 1-5 As shown, as a preferred embodiment, on the basis of the above method, further, the fixing component includes a slide rod 120 slidably connected to the inner wall of the adjusting frame 108, the outer wall of the slide rod 120 is sleeved with a spring 121, the side wall of the slide rod 120 is fixedly connected to a top plate 122, both ends of the spring 121 are distributed on the top plate 122 and are fixedly connected to the adjusting frame 108, the inner wall of the adjusting frame 108 is fixedly connected with a tension spring 123, the end of the tension spring 123 away from the adjusting frame 108 is also fixedly connected to the movable plate 106, and two groups of limiting grooves 107 are symmetrically arranged about the central axis of the movable plate 106. By arranging the spring 121 and the tension spring 123 to cooperate with each other, the stability of the gear box can be improved.

[0028] like Figure 1-3 As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the top wall of the connecting plate 102 is fixedly connected to a refrigerating box 130, the side wall of the refrigerating box 130 is fixedly connected to a first water pipe 131, the end of the first water pipe 131 away from the refrigerating box 130 is also fixedly connected to the first water-cooled plate 103, the side wall of the refrigerating box 130 is fixedly connected to a second water pipe 132, the end of the second water pipe 132 away from the refrigerating box 130 is also fixedly connected to the second water-cooled plate 104, the outer wall of the first water pipe 131 is fixedly connected to a first water pump 133, the outer wall of the second water pipe 132 is fixedly connected to a second water pump 134, the refrigerating box 130, the first water pipe 131 and the first water-cooled plate 103 are connected, and the refrigerating box 130, The second water pipe 132 is connected to the second water-cooled plate 104, the first water outlet pipe 140 is fixedly connected to the side wall of the refrigeration box 130, and the end of the first water outlet pipe 140 away from the refrigeration box 130 is also fixedly connected to the first water-cooled plate 103, the second water outlet pipe 141 is fixedly connected to the side wall of the refrigeration box 130, and the end of the second water outlet pipe 141 away from the refrigeration box 130 is also fixedly connected to the second water-cooled plate 104, the refrigeration box 130, the first water outlet pipe 140 and the first water-cooled plate 103 are connected, the refrigeration box 130, the second water outlet pipe 141 and the second water-cooled plate 104 are connected, and the first water pipe 131 and the first water outlet pipe 140 are matched, and the second water pipe 132 and the second water outlet pipe 141 are matched, so that the practicability is stronger.

[0029] like Figure 1-2 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the top wall of the refrigeration box 130 is fixedly connected with a cylinder 135, and the end of the second water-cooled plate 104 passing through the connecting plate 102 is also fixedly connected with a lifting plate 136, the output end of the cylinder 135 is fixedly connected to the lifting plate 136, and the inner wall of the movable plate 106 is threadedly connected with a fixing bolt 137, and one end of the fixing bolt 137 passing through the movable plate 106 is also threadedly connected to the bottom plate 100, and the fixing bolt 137 is symmetrically arranged in two groups about the central axis of the movable plate 106. By arranging the cylinder 135, the second water-cooled plate 104 can be driven to contact the gear box through the lifting plate 136, thereby increasing the cooling area of ​​the gear box and making it more convenient to use.

[0030] Specifically, when the twin-screw plastic extruder gear box with a water cooling device is used: first, loosen the fixing bolt 137, then slide the movable plate 106 out of the bottom plate 100, put the gear box on the movable plate 106, then reset the movable plate 106, and fix the movable plate 106 by tightening the fixing bolt 137, then push the gear box to make the back of the gear box contact with the first water-cooling plate, and drive the lifting plate 136 to move downward by starting the cylinder 135, so as to drive the second water-cooling plate and the top of the gear box through the lifting plate 136. The adjusting frame 108 is then pulled out of the limiting groove 107, and the adjusting frame 108 is rotated 90 degrees to a vertical state, and then the adjusting frame 108 is released. Under the action of the tension spring 123, the adjusting frame 108 is reset, and under the action of the limiting groove 107, the adjusting frame 108 is fixed, and then the spring 121 squeezes the top plate 122 to contact the gear box, thereby fixing the gear box, which can reduce the shaking of the gear box during the operation of the gear box, thereby improving the practicality, and then start the first A water pump 133 pumps the water in the refrigeration box 130 into the first water-cooling plate 103 through the first water pipe 131, and the first water-cooling plate 103 absorbs the heat generated in the gear box. At the same time, the second water pump 134 is started to discharge the water in the refrigeration box 130 into the second water-cooling plate 104 through the second water pipe 132. After absorbing the heat, the water in the first water-cooling plate 103 is discharged into the refrigeration box 130 through the first water outlet pipe 140. After absorbing the heat, the water in the second water-cooling plate 104 is discharged into the refrigeration box 130 through the second water outlet pipe 141. The refrigeration box 130 is cooled, and the driving motor 115 is started to drive the rotating shaft 116 to rotate. The rotating shaft 116 drives the reciprocating handle 114 to slide, thereby driving the rack 113 to reciprocate. The rack 113 is meshed and connected with the gear body 112, thereby driving the blowing plate 111 to swing back and forth, and the wind generated by the hair dryer 117 enters the blowing plate 111 through the hose 118 to cool the first water-cooled plate 103 and the second water-cooled plate 104, so as to further improve the cooling efficiency of the gear box and make it more practical.

[0031] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A twin-screw plastic extruder gearbox with a water cooling device, comprising a bottom plate (100) and a support plate (101) fixedly connected to the top wall of the bottom plate (100), characterized in that: The top wall of the support plate (101) is fixedly connected to a connecting plate (102), the side wall of the support plate (101) is fixedly connected to a first water-cooling plate (103), the bottom wall of the connecting plate (102) is slidably connected to a second water-cooling plate (104), the side wall of the support plate (101) is connected to a heat dissipation component for accelerating the cooling efficiency of the first water-cooling plate (103) and the second water-cooling plate (104), the top wall of the bottom plate (100) is provided with a slide groove (105), the top wall of the bottom plate (100) is slidably connected to a movable plate (106) through the slide groove (105), the side wall of the movable plate (106) is connected to an extrusion component for fixing the gear box, wherein the extrusion component includes a limiting groove (107) provided on the side wall of the movable plate (106), the inner wall of the limiting groove (107) is rotatably connected to an adjustment frame (108), and the inner wall of the adjustment frame (108) is slidably connected to a fixing component.

2. A twin-screw plastic extruder gearbox with a water cooling device according to claim 1, characterized in that: The heat dissipation component comprises a stabilizing plate (110) fixedly connected to the side wall of the support plate (101); the side wall of the stabilizing plate (110) is rotatably connected to a blowing plate (111); the bottom wall of the blowing plate (111) is fixedly connected to a gear body (112); the side wall of the stabilizing plate (110) is slidably connected to a rack (113); the rack (113) is meshed with the gear body (112); the top wall of the rack (113) is fixedly connected to a reciprocating handle (114); and the side wall of the stabilizing plate (110) is fixedly connected to a drive motor. (115), the output end of the driving motor (115) is fixedly connected to a rotating shaft (116), and the rotating shaft (116) is also slidably connected to the inner wall of the reciprocating handle (114), the side wall of the stabilizing plate (110) is fixedly connected to a blower (117), and the side wall of the blower (117) is fixedly connected to a hose (118), and the end of the hose (118) away from the blower (117) is also fixedly connected to the blowing plate (111), and the blower (117), the hose (118) and the blowing plate (111) are connected.

3. The twin-screw plastic extruder gearbox with a water cooling device according to claim 1, characterized in that: The fixing assembly includes a slide rod (120) slidably connected to the inner wall of the adjustment frame (108), a spring (121) is sleeved on the outer wall of the slide rod (120), and the side wall of the slide rod (120) is fixedly connected to a top plate (122). Both ends of the spring (121) are distributed on the top plate (122) and are fixedly connected to the adjustment frame (108). The inner wall of the adjustment frame (108) is fixedly connected to a tension spring (123), and one end of the tension spring (123) away from the adjustment frame (108) is also fixedly connected to the movable plate (106). Two groups of the limiting grooves (107) are symmetrically arranged about the central axis of the movable plate (106).

4. A twin-screw plastic extruder gearbox with a water cooling device according to claim 3, characterized in that: The top wall of the connecting plate (102) is fixedly connected to a refrigeration box (130), the side wall of the refrigeration box (130) is fixedly connected to a first water pipe (131), the end of the first water pipe (131) away from the refrigeration box (130) is also fixedly connected to the first water-cooling plate (103), the side wall of the refrigeration box (130) is fixedly connected to a second water pipe (132), the end of the second water pipe (132) away from the refrigeration box (130) is also fixedly connected to the second water-cooling plate (104), the outer wall of the first water pipe (131) is fixedly connected to a first water pump (133), the outer wall of the second water pipe (132) is fixedly connected to a second water pump (134), the refrigeration box (130), the first water pipe (131) and the first water-cooling plate (103) are fixedly connected to each other. 3) are connected, the refrigeration box (130), the second water pipe (132) and the second water-cooling plate (104) are connected, the side wall of the refrigeration box (130) is fixedly connected with a first water outlet pipe (140), and the end of the first water outlet pipe (140) away from the refrigeration box (130) is also fixedly connected to the first water-cooling plate (103), the side wall of the refrigeration box (130) is fixedly connected with a second water outlet pipe (141), and the end of the second water outlet pipe (141) away from the refrigeration box (130) is also fixedly connected to the second water-cooling plate (104), the refrigeration box (130), the first water outlet pipe (140) and the first water-cooling plate (103) are connected, and the refrigeration box (130), the second water outlet pipe (141) and the second water-cooling plate (104) are connected.

5. The twin-screw plastic extruder gearbox with a water cooling device according to claim 4, characterized in that: The top wall of the refrigeration box (130) is fixedly connected to a cylinder (135), one end of the second water-cooling plate (104) passing through the connecting plate (102) is also fixedly connected to a lifting plate (136), the output end of the cylinder (135) is fixedly connected to the lifting plate (136), the inner wall of the movable plate (106) is threadedly connected to a fixing bolt (137), one end of the fixing bolt (137) passing through the movable plate (106) is also threadedly connected to the bottom plate (100), and two groups of the fixing bolts (137) are symmetrically arranged about the central axis of the movable plate (106).

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