A kind of expansion mechanism of copper tube of air conditioner compressor

Abstract

The utility model provides a flaring mechanism for a copper tube of an air-conditioning compressor, comprising a base, a frame plate and a turntable driven by a motor are arranged above the base, the upper end of the turntable is evenly distributed with flaring columns along the circumference of its axis, a first cylinder is arranged downwardly on the upper end of the frame plate, a pressure head is arranged at the end of the piston rod of the first cylinder and is located above the flaring column at the rear side, a slip ring is slidably arranged at the flaring column and is coaxial with the flaring column, a slide rod passing through the turntable is arranged at the lower end of the slip ring, a second cylinder is arranged at the upper end of the base, and a top plate is arranged at the end of the piston rod of the second cylinder and is located below one of the slide rods on the left and right sides. The utility model has the advantages of being able to automatically complete the flaring and ejection of the copper tube, improving production efficiency while ensuring the flaring quality of the copper tube.

Description

Technical Field

[0001] The utility model relates to the technical field of compressor copper tubes, in particular to a flaring mechanism for an air-conditioning compressor copper tube. Background Art

[0002] Compressor copper tubes are common components in air-conditioning and refrigeration equipment. In order to meet the requirements of installation and air tightness, a structure with a large aperture at one end and a small aperture at another end is usually adopted, and three points are punched on the compressor copper tube as a joint. The original parts are usually straight copper tubes with uniform diameters. The two ends of the cut copper tubes are rough and need to be polished at both ends, followed by expansion processing and then expansion processing. At present, the expansion of copper tubes is mostly done manually. The above copper tube expansion method is labor-intensive and time-consuming, with low production efficiency and affects the quality of copper tube expansion. Summary of the invention

[0003] In view of this, the purpose of the utility model is to overcome the deficiencies in the prior art and provide a flaring mechanism for a copper tube of an air-conditioning compressor.

[0004] The utility model provides a flaring mechanism for a copper tube of an air-conditioning compressor, comprising a base 1, a frame plate 4 and a turntable 2 driven by a motor are arranged above the base 1, the upper end of the turntable 2 is uniformly provided with flaring columns 3 along the circumference of its axis, a first cylinder 5 is arranged downwardly on the upper end of the frame plate 4, a piston rod end of the first cylinder 5 is provided with a pressure head 6 located above the flaring column 3 on the rear side, the flaring column 3 is slidably equipped with a slip ring 7 arranged coaxially with the flaring column 3, a slide rod passing through the turntable 2 is arranged at the lower end of the slip ring 7, a second cylinder 9 is arranged at the upper end of the base 1, and a top plate 8 located below one of the slide rods on the left and right sides is provided at the piston rod end of the second cylinder 9.

[0005] Furthermore, the sliding rods are circumferentially distributed at the lower end of the sliding ring 7 along the axis of the sliding ring 7, and the number of the sliding rods is 3.

[0006] Furthermore, the number of the flared columns 3 is greater than or equal to 4 and less than or equal to 12.

[0007] Furthermore, it also includes a support assembly 10, which includes a third cylinder 10.1 and a flat plate 10.3 arranged on the rear side of the machine base 1, and a bevel block 10.2 is arranged at the end of the piston rod of the third cylinder 10.1. The flat plate 10.3 is slidably equipped with a top column 10.4 located below the turntable 2 so as to move up and down, and the lower end surface of the top column 10.4 is an inclined surface that matches the bevel block 10.2.

[0008] Furthermore, a stabilizing block is horizontally arranged on the rear side of the upper end of the machine base 1, and a vertical plate for accommodating the forward arrangement of the third cylinder 10.1 is vertically arranged at the rear end of the stabilizing block, the inclined block 10.2 is attached to the upper end surface of the stabilizing block, and the flat plate 10.3 is arranged above the stabilizing block through a column.

[0009] Furthermore, the distance between the top column 10.4 and the turntable 2 is less than or equal to 3 mm and greater than or equal to 10 mm.

[0010] The utility model has the advantages of automatically completing the expansion and ejection of the copper tube, improving the production efficiency while ensuring the expansion quality of the copper tube; having a small size and occupying a small space, and having a low manufacturing cost; the copper tube inserted into the expansion column is pressed into the expansion column by the pressure head, so that the lower end of the copper tube is expanded and formed; the second cylinder drives the top plate to rise, and the top plate lifts the slip ring through the sliding rod to push the copper tube out of the expansion column; the rear side of the turntable can be supported downward by the support assembly to avoid the turntable being pressed by the ring, the third cylinder drives the inclined block to move forward, and the inclined block drives the ejection column to push the lower side of the rear end of the turntable through the inclined surface; the stabilizing block can stabilize the third cylinder and provide support to the inclined block at the same time, so as to avoid the force of the turntable acting on the ejection column and the inclined block causing the piston rod of the third cylinder to be damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional diagram of the utility model;

[0012] Figure 2 It is the front view of the utility model;

[0013] Figure 3 It is a top view of the utility model;

[0014] Figure 4 It is a left view of the utility model. DETAILED DESCRIPTION

[0015] The following is a detailed description of the embodiments of the present utility model in conjunction with the accompanying drawings.

[0016] See also Figures 1 to 4The utility model provides an expansion mechanism for a copper tube of an air-conditioning compressor, which comprises a base 1, a frame plate 4 and a turntable 2 driven by a motor are arranged above the base 1, the body and the space occupied are small, and the manufacturing cost is low. The upper end of the turntable 2 is evenly distributed with expansion columns 3 along the circumference of its axis, and the copper tube inserted into the expansion column is pressed into the expansion column by a pressure head, so that the lower end of the copper tube is expanded and formed, and the upper end of the frame plate 4 is downwardly arranged with a first cylinder 5, and the end of the piston rod of the first cylinder 5 is arranged A pressure head 6 is arranged above the rear flared column 3, and a slip ring 7 coaxially arranged with the flared column 3 is slidably provided at the flared column 3, and the copper tube pressed into the flared column is ejected through the slip ring, and a slide rod passing through the turntable 2 is arranged at the lower end of the slip ring 7, and the slide rods are circumferentially distributed at the lower end of the slip ring 7 along the axis of the slip ring 7, and the number of the slide rods is 3, and a second cylinder 9 is arranged at the upper end of the machine base 1, and a top plate 8 located below one of the slide rods on the left and right sides is arranged at the end of the piston rod of the second cylinder 9. The copper tube is inserted into the flaring column, and the motor rotates the turntable. When the flaring column with the copper tube rotates below the pressure head, the first cylinder drives the pressure head to press the copper tube into the flaring column, so that the lower end of the copper tube is expanded and formed. Then the turntable rotates again, so that the subsequent flaring column with the copper tube rotates below the pressure head and is pressed into the flaring column. The expanded copper tube rotates above the second cylinder, and the second cylinder drives the top plate to rise. The top plate lifts the slip ring through the sliding rod, and the slip ring pushes the copper tube out of the flaring column.

[0017] The number of the flared columns 3 is greater than or equal to 4 and less than or equal to 12. Preferably, the number of the flared columns is 8.

[0018] A connecting plate is transversely arranged at the piston rod of the first cylinder, and guide rods passing through the frame plate are symmetrically and vertically arranged on the left and right sides of the upper end of the connecting plate.

[0019] See also Figure 1 , Figure 4 The pressure head presses the copper tube into the flaring column, thereby flaring the lower end of the copper tube. The pressure head presses down the rear side of the turntable, and the support assembly can support the rear side of the turntable to avoid pressing the turntable. The support assembly 10 includes a third cylinder 10.1 and a flat plate 10.3 arranged at the rear side of the base 1. The piston rod end of the third cylinder 10.1 is provided with an inclined block 10.2. The flat plate 10.3 is slidably equipped with a top column 10.4 located below the turntable 2, and the lower end surface of the top column 10.4 is an inclined surface matched with the inclined block 10.2. The third cylinder drives the inclined block to move forward, and the inclined block drives the top column to push the lower side of the rear end of the turntable through the inclined surface.

[0020] A stabilizing block is horizontally arranged at the rear side of the upper end of the machine base 1, and a vertical plate for accommodating the third cylinder 10.1 to be arranged forward is vertically arranged at the rear end of the stabilizing block, and an inclined block 10.2 is attached to the upper end surface of the stabilizing block, and a flat plate 10.3 is arranged above the stabilizing block through a column. The stabilizing block can stabilize the third cylinder and provide support to the inclined block at the same time, so as to prevent the piston rod of the third cylinder from being damaged by the force of the turntable acting on the top column and the inclined block when the pressure head presses down the turntable.

[0021] The distance between the top column 10.4 and the rotating disk 2 is less than or equal to 3 mm and greater than or equal to 10 mm. Preferably, the distance between the top column and the rotating disk is 6 mm.

[0022] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An expansion mechanism for a copper tube of an air-conditioning compressor, characterized in that: It includes a machine base, a frame plate and a turntable driven by a motor are arranged above the machine base, the upper end of the turntable is evenly distributed with flaring columns along the circumference of its axis, a first cylinder is arranged downwardly on the upper end of the frame plate, a pressure head is arranged at the end of the piston rod of the first cylinder and is located above the flaring column on the rear side, a slip ring is slidably provided at the flaring column and is coaxial with the flaring column, a sliding rod passing through the turntable is arranged at the lower end of the slip ring, a second cylinder is arranged at the upper end of the machine base, and a top plate is arranged at the end of the piston rod of the second cylinder and is located below one of the sliding rods on the left and right sides.

2. The expansion mechanism of the copper tube of the air-conditioning compressor according to claim 1, characterized in that: The sliding rods are circumferentially distributed at the lower end of the sliding ring along the axis of the sliding ring, and the number of the sliding rods is 3.

3. The expansion mechanism of the copper tube of an air-conditioning compressor according to claim 1, characterized in that: The number of the flared columns is greater than or equal to 4 and less than or equal to 12.

4. The expansion mechanism of the copper tube of an air-conditioning compressor according to claim 1, characterized in that: It also includes a supporting assembly, which includes a third cylinder and a flat plate arranged on the rear side of the machine base. The end of the piston rod of the third cylinder is provided with an inclined block. The flat plate is slidably equipped with a top column located below the turntable so as to move up and down. The lower end surface of the top column is an inclined surface that matches the inclined block.

5. The expansion mechanism of the copper tube of the air-conditioning compressor according to claim 4, characterized in that: A stabilizing block is horizontally arranged at the rear side of the upper end of the machine base, a vertical plate for accommodating the third cylinder to be arranged forward is vertically arranged at the rear end of the stabilizing block, the inclined block is attached to the upper end surface of the stabilizing block, and the flat plate is arranged above the stabilizing block through a column.

6. The expansion mechanism of the copper tube of the air-conditioning compressor according to claim 4, characterized in that: The distance between the top column and the turntable is less than or equal to 3 mm and greater than or equal to 10 mm.

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