Built-in cooling coil

Abstract

The utility model relates to a built-in cooling coil pipe which comprises a speed reducer shell, a coil pipe body and a connecting assembly, the coil pipe body and the connecting assembly are arranged in the speed reducer shell, a connector of the coil pipe body is fixedly connected with the connecting assembly, an installation hole is formed in the speed reducer shell, and the connecting assembly comprises a flange and a flaring type pipe connector. One end of the flaring type pipe joint is fixedly connected with the joint of the coil pipe main body, and the other end of the flaring type pipe joint sequentially penetrates through the mounting hole of the speed reducer shell, the sealing ring and the flange and then is fixed on the speed reducer shell through the hexagonal thin nut. A special cold area coil pipe structural design is adopted, a cooling coil pipe is placed in a box body, a gear in the box body is avoided, a motor pump and an external plate heat exchanger are omitted, a transition connector is installed in the box body, and the other end of the cooling coil pipe is installed in a concave position of the box body through a special cooling coil pipe structure, so that the stability of the device is guaranteed, and the service life of the device is prolonged. Finally, the purposes of cooling effect, low noise, light weight and small size are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling coils for reducers, in particular to a built-in cooling coil. Background Art

[0002] Due to the reciprocating motion and working rhythm requirements of the injection molding machine, the reducer for the injection molding machine needs to be as light as possible in order to reduce the inertia of the reducer. At present, the reducer for the injection molding machine generally adopts the cooling method of motor pump plus plate heat exchanger. Since this technology requires an additional motor pump to provide power for the cooling oil circuit, it generally has the disadvantages of high noise, heavy weight, and large size. Utility Model Content

[0003] The technical problem to be solved by the utility model is: to provide a built-in cooling coil in order to overcome the deficiencies in the prior art.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a built-in cooling coil, including a reducer housing, a coil body arranged in the reducer housing and a connecting component, the joint of the coil body is fixedly connected to the connecting component, the reducer housing is provided with a mounting hole, the outer side of the mounting hole is provided with a sealing ring, the connecting component includes a flange and a flared pipe joint, one end of the flared pipe joint is fixedly connected to the joint of the coil body, the other end of the flared pipe joint passes through the mounting hole of the reducer housing, the sealing ring and the flange in sequence, and is fixed to the reducer housing through a hexagonal thin nut, the sealing ring is pressed against the outer surface of the reducer housing, and is used for locking the flared pipe joint and the reducer housing.

[0005] Furthermore, one end of the joint of the coil body adopts a three-section structure, including a first section of the pipe, a second section of the pipe and a third section of the pipe. The first section of the pipe and the third section of the pipe are arranged parallel to the inner bottom surface of the reducer housing. The two ends of the second section of the pipe are respectively connected to the first section of the pipe and the third section of the pipe, and the second section of the pipe forms an angle with the inner bottom surface of the reducer housing, and the angle ranges from 5-50°.

[0006] One end of the coil body away from the joint is buckled and limited in the reducer housing.

[0007] Furthermore, the coil body includes two joints, the first sections of the two joints are arranged in parallel, and the third sections of the two joints are arranged in parallel and located on the same horizontal plane.

[0008] Furthermore, the flange is fixed to the outer surface of the reducer housing by means of hexagonal bolts, and a gasket is provided on the outer sleeve of the hexagonal bolts, and the gasket is pressed against the outer surface of the reducer housing to lock the flange and the reducer housing.

[0009] Furthermore, there are 4 hexagonal head bolts in total, and the hexagonal head bolts are arranged in a circular array with the center of the flange as the center.

[0010] The beneficial effects of the utility model are as follows: a special cold zone coil structure design is adopted, the cooling coil is placed in the box, and the gears inside the box are opened, the motor pump and the external plate heat exchanger are eliminated, and a transition joint is adopted to install it in the box, and the other end of the cooling coil is installed in the recess of the box through a special cooling coil structure, thereby ensuring the stability of the device, and finally achieving the purpose of satisfying cooling effect, low noise, light weight and small size. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is an exploded view of the coil body of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the coil body of the utility model.

[0015] Numbers in the figure: 1-washer, 2-flange, 3-flared pipe joint, 4-coil body, 41-first section of pipe, 42-second section of pipe, 43-third section of pipe, 5-hexagonal thin nut, 6-sealing ring, 7-hexagonal head bolt, 8-reducer housing. DETAILED DESCRIPTION

[0016] In order 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 clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0017] Figure 1-Figure 3A built-in cooling coil shown in the figure comprises a reducer housing 8, a coil body 4 arranged in the reducer housing 8 and a connecting assembly, the joint of the coil body 4 is fixedly connected to the connecting assembly, a mounting hole is provided on the reducer housing 8, a sealing ring 6 is provided on the outer side of the mounting hole, the connecting assembly comprises a flange 2 and a flared pipe joint 3, one end of the flared pipe joint 3 is fixedly connected to the joint of the coil body 4, the other end of the flared pipe joint 3 passes through the mounting hole of the reducer housing 8, the sealing ring 6 and the flange 2 in sequence, and is fixed to the reducer housing 8 through a hexagonal thin nut 5, the sealing ring 6 is pressed against the outer surface of the reducer housing 8, and is used to lock the flared pipe joint 3 and the reducer housing 8.

[0018] One end of the joint of the coil body 4 adopts a three-section structure, including a first section of the tube 41, a second section of the tube 42 and a third section of the tube 43. The first section of the tube 41 and the third section of the tube 43 are arranged parallel to the inner bottom surface of the reducer housing 8. The two ends of the second section of the tube 42 are respectively connected to the first section of the tube 41 and the third section of the tube 43, and the second section of the tube 42 forms an angle with the inner bottom surface of the reducer housing 8, and the angle ranges from 5-50°.

[0019] One end of the coil body 4 away from the joint is inserted and limited in the reducer housing 8.

[0020] The coil body 4 includes two joints, the first sections of the pipes 41 of the two joints are arranged in parallel, and the third sections of the pipes 43 of the two joints are arranged in parallel and located on the same horizontal plane.

[0021] The flange 2 is fixed to the outer surface of the reducer housing 8 by means of hexagonal bolts 7. A washer 1 is disposed outside the hexagonal bolts 7. The washer 1 is pressed against the outer surface of the reducer housing 8 to lock the flange 2 and the reducer housing 8.

[0022] There are four hexagonal head bolts 7 in total, and the hexagonal head bolts 7 are arranged in a circular array with the center of the flange 2 as the center.

[0023] Working process: When it is necessary to install a cooling coil on the reducer, the operation is as follows: insert the flared pipe joint 3 into the installation hole in advance, and at the same time, insert one end of the coil body 4 into the coil body 4, and fix the joint of the other end of the coil body 4 to the flared pipe joint 3. Put the sealing ring 6 on the outside of the flared pipe joint 3 and fit it with the reducer housing 2, then put the flange 2 on the outside of the flared pipe joint 3 and fit it with the sealing ring 6, and then use the hexagonal thin nut 5 to fix the flared pipe joint 3 on the reducer housing 8, and finally put the washer 1 on the outside of the hexagonal head bolt 7 to fit it with the flange 2, and the hexagonal head bolt 7 fixes the flange 2 to the reducer housing 8.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A built-in cooling coil, characterized in that: The invention comprises a reducer housing (8), a coil body (4) arranged in the reducer housing (8), and a connecting assembly, wherein the joint of the coil body (4) is fixedly connected to the connecting assembly, the reducer housing (8) is provided with a mounting hole, and a sealing ring (6) is provided on the outer side of the mounting hole, and the connecting assembly comprises a flange (2) and a flared pipe joint (3), one end of the flared pipe joint (3) is fixedly connected to the joint of the coil body (4), and the other end of the flared pipe joint (3) passes through the mounting hole of the reducer housing (8), the sealing ring (6) and the flange (2) in sequence and is fixed to the reducer housing (8) through a hexagonal thin nut (5), and the sealing ring (6) is pressed against the outer surface of the reducer housing (8) and is used to lock the flared pipe joint (3) and the reducer housing (8).

2. The built-in cooling coil according to claim 1, characterized in that: One end of the joint of the coil body (4) adopts a three-section structure, comprising a first section of pipe (41), a second section of pipe (42) and a third section of pipe (43), the first section of pipe (41) and the third section of pipe (43) are arranged parallel to the inner bottom surface of the reducer housing (8), the two ends of the second section of pipe (42) are respectively connected to the first section of pipe (41) and the third section of pipe (43), and the second section of pipe (42) forms an angle with the inner bottom surface of the reducer housing (8), and the angle ranges from 5 to 50 degrees; One end of the coil body (4) away from the joint is inserted and limited in the reducer housing (8).

3. The built-in cooling coil according to claim 2, characterized in that: The coil body (4) comprises two joints, the first sections of the pipes (41) of the two joints are arranged in parallel, and the third sections of the pipes (43) of the two joints are arranged in parallel and are located on the same horizontal plane.

4. The built-in cooling coil according to claim 1, characterized in that: The flange (2) is fixed to the outer surface of the reducer housing (8) by means of a hexagonal bolt (7). A washer (1) is provided on the outer sleeve of the hexagonal bolt (7). The washer (1) is pressed against the outer surface of the reducer housing (8) to lock the flange (2) and the reducer housing (8).

5. The built-in cooling coil according to claim 4, characterized in that: There are four hexagonal head bolts (7) in total, and the hexagonal head bolts (7) are arranged in a circular array with the center of the flange (2) as the center.

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