Evaporator pipeline bending device

Abstract

The utility model belongs to the technical field of air conditioner processing, and discloses an evaporator pipeline bending device which comprises a fixing device used for fixing a pipe and then guiding and pushing the pipe to move, and a rotating device used for tightly pushing the pipe to rotate and bend is installed at the front end of the fixing device. The adjusting device is installed on the rotating device and used for supporting pipe bending in a multi-gear rotating mode and adjusting the bending supporting radius in a lifting mode. The adjusting device comprises a sliding sleeve, a first bending disc is installed outside the sliding sleeve, and a second bending disc is arranged on the first bending disc. According to the evaporator pipeline bending device disclosed by the utility model, due to the arrangement of multi-gear support pipe bending, different bending radiuses are realized, and different bending requirements are met; through the arrangement of lifting adjustment, the bending radius is automatically adjusted, and the turning radius is convenient to adjust; and the bending quality is improved through the arrangement of rotating and supporting the pipe bending.

Description

Technical Field

[0001] The utility model belongs to the technical field of air-conditioning processing, and particularly relates to an evaporator pipeline bending device. Background Art

[0002] Air conditioning, or air conditioner, refers to equipment that uses artificial means to adjust and control parameters such as temperature, humidity, and flow rate of ambient air in buildings or structures. Air conditioning is an indispensable part of people's modern life. Air conditioning provides people with coolness and warmth. The structure of an air conditioner includes: compressor, condenser, evaporator, four-way valve, one-way valve capillary assembly, etc. The evaporator is the device inside the indoor unit, composed of tubes, with fins, which concentrates the solution or precipitates crystals from the solution by heating. The function of the air conditioner evaporator is to utilize the liquid low-temperature refrigerant to evaporate easily under low pressure, turn into vapor and absorb the heat of the cooled medium to achieve the purpose of refrigeration; in order to make the evaporator have better heat dissipation performance, the evaporator copper tube needs to be bent. The bent copper tube increases the heat dissipation area and effectively improves the heat exchange efficiency.

[0003] In comparison, a Chinese patent with authorization announcement number CN219130426U discloses a U-tube bending device for an evaporator, including a frame, a bending mechanism and a cutting mechanism, wherein the bending mechanism and the cutting mechanism are both arranged above the frame, and the cutting mechanism is located on one side of the bending mechanism. A limiting baffle is fixedly connected to the upper surface of the frame, a support frame is fixedly connected to the upper surface of the frame near the middle position, and a bending disc is fixedly installed on the upper surface of the support frame.

[0004] The bending radius of the above patented pipe is fixed and cannot meet different bending requirements. Therefore, a new equipment needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide an evaporator pipeline bending device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An evaporator pipe bending device, comprising a fixing device for fixing a pipe and guiding and pushing the pipe to move forward, a rotating device for pushing the pipe to rotate and bend is installed on the front end of the fixing device, and an adjusting device for rotating and supporting the pipe to bend in multiple gears and capable of lifting and lowering to adjust the bending support radius is also installed on the rotating device;

[0008] The adjusting device comprises a sliding sleeve, a first bending disk is installed outside the sliding sleeve, a second bending disk is arranged on the first bending disk, a third bending disk is arranged on the second bending disk, and a third electric push rod is installed at the center position of the sliding sleeve.

[0009] Furthermore: the fixing device includes a support frame, a first electric push rod is arranged on one side of the front end of the support frame, a guide bar is installed on the extended end of the first electric push rod, two linear motors are symmetrically arranged front and back behind the guide bar, a guide rail is installed on the linear motor, a slider is slidably installed on the guide rail, and a fixed seat is arranged in front of the slider.

[0010] Furthermore: the rotating device includes a support plate, a rotating shaft is rotatably installed on the support plate, a bending motor is arranged under the rotating shaft, a rotating frame is arranged on one side of the rotating shaft, a second electric push rod is installed on the top of the rotating frame, and a bending block is installed on the end of the second electric push rod close to the rotating shaft.

[0011] Furthermore: a semicircular bending groove having the same diameter as the evaporator tube is provided on the circumference of the first bending plate.

[0012] Furthermore: a semicircular guide groove is provided on the guide bar.

[0013] Furthermore: the support plate is circular in shape, the rotating frame is welded to the rotating shaft, and the rotating frame is L-shaped.

[0014] Compared with the prior art, the beneficial effects are:

[0015] 1. Through the setting of multi-level support for pipe bending, different bending radius can be achieved to meet different bending requirements;

[0016] 2. The bending radius can be automatically adjusted through the lifting and lowering adjustment settings, which facilitates the adjustment of the turning radius;

[0017] 3. The bending quality is improved by rotating the support tube bending setting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an evaporator pipeline bending device described in the utility model;

[0019] Figure 2 This is an axonometric diagram of a fixing device of an evaporator pipe bending device described in the utility model;

[0020] Figure 3 This is an axonometric diagram of a rotating device of an evaporator pipe bending device described in the utility model;

[0021] Figure 4 It is a front cross-sectional view of an adjusting device of an evaporator pipeline bending device described in the utility model.

[0022] In the accompanying drawings: 1. fixing device; 101. support frame; 102. first electric push rod; 103. guide bar; 104. linear motor; 105. guide rail; 106. slider; 107. fixing seat; 2. rotating device; 201. support plate; 202. rotating shaft; 203. bending motor; 204. rotating frame; 205. second electric push rod; 206. bending block; 3. adjusting device; 301. sliding sleeve; 302. first bending disk; 303. second bending disk; 304. third bending disk; 305. third electric push rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 An evaporator pipe bending device includes a fixing device 1 for fixing a pipe and guiding and pushing the pipe to feed and move. A rotating device 2 for pushing the pipe to rotate and bend is installed on the front end of the fixing device 1. It also includes an adjusting device 3 installed on the rotating device 2 for multi-gear rotation support of the pipe bending and can lift and lower to adjust the bending support radius.

[0025] In this embodiment: the fixing device 1 includes a support frame 101, a first electric push rod 102 is arranged on one side of the front end of the support frame 101, a guide bar 103 is installed on the extended end of the first electric push rod 102, two linear motors 104 are symmetrically arranged at the rear of the guide bar 103, a guide rail 105 is installed on the linear motor 104, a slider 106 is slidably installed on the guide rail 105, a fixed seat 107 is arranged in front of the slider 106, and a semicircular guide groove is opened on the guide bar 103, one end of the evaporator tube is fixed on the fixed seat 107 at the rear end of the support frame 101, and then the slider 106 drives the fixed seat 107 to slide along the slide rail, and the other end of the tube is pressed against the guide groove on the guide bar 103, and then the linear motor 104 drives the tube on the fixed seat 107 to move forward along the guide groove on the guide bar 103 through the slider 106 on the guide rail 105, and the first electric push rod 102 is used to adjust the position of the guide bar 103;

[0026] In this embodiment, the rotating device 2 includes a support plate 201, a rotating shaft 202 is rotatably mounted on the support plate 201, a bending motor 203 is arranged below the rotating shaft 202, a rotating frame 204 is arranged on one side of the rotating shaft 202, a second electric push rod 205 is installed on the top of the rotating frame 204, and a bending block 206 is installed at one end of the second electric push rod 205 close to the rotating shaft 202. The support plate 201 is circular in shape, the rotating frame 204 is welded to the rotating shaft 202, and the rotating frame 204 is L-shaped. When the bending position of the pipe reaches the bending block 206, the second electric push rod 205 extends to drive the bending The block 206 is close to the pipe, the support plate 201 supports the bending motor 203 to drive the rotating shaft 202 to drive the rotating frame 204 and the sliding sleeve 301 to rotate, and the rotating frame 204 drives the bending block 206 to rotate around the rotating shaft 202 through the second electric push rod 205, and at the same time, the sliding sleeve 301 drives the first bending disk 302 to rotate, so that the bending block 206 pushes the pipe to fit the bending groove of the circumference of the first bending disk 302 to bend the pipe, and at the same time, the position of the guide strip 103 is adjusted by the first electric push rod 102 to make it tangent to the circumference of the second bending disk 303 (third bending disk 304), and the adjustment is completed;

[0027] In this embodiment: the adjustment device 3 includes a sleeve 301, a first bending plate 302 is installed on the outside of the sleeve 301, a second bending plate 303 is arranged on the first bending plate 302, a third bending plate 304 is arranged on the second bending plate 303, a third electric push rod 305 is installed at the center position of the sleeve 301, and a semicircular bending groove with the same size as the diameter of the evaporator tube is opened on the circumference of the first bending plate 302. When the bending radius needs to be changed, the third electric push rod 305 is shortened to make the sleeve 301 drive the second bending plate 303 (the third bending plate 304) to move downward to the position of the first bending plate 302, thereby changing the bending radius.

[0028] Working principle: fix one end of the evaporator tube on the fixed seat 107 at the rear end of the support frame 101, then make the slider 106 drive the fixed seat 107 to slide along the slide rail, and make the other end of the tube close to the guide groove on the guide bar 103, and then the linear motor 104 drives the tube on the fixed seat 107 to move forward along the guide groove on the guide bar 103 through the slider 106 on the guide rail 105. When the tube bending position reaches the bending block 206, the second electric push rod 205 extends to drive the bending block 206 to close to the tube, and the support plate 201 supports the bending motor 203 to drive the rotating shaft 202 to drive the rotating frame 204 and the sliding sleeve 301 to rotate, and the rotating frame 204 passes The second electric push rod 205 drives the bending block 206 to rotate around the rotating shaft 202, and at the same time, the sliding sleeve 301 drives the first bending disk 302 to rotate, so that the bending block 206 pushes the pipe to fit the bending groove of the circumference of the first bending disk 302 to bend the pipe; when the bending radius needs to be changed, the third electric push rod 305 is shortened so that the sliding sleeve 301 drives the second bending disk 303 (third bending disk 304) to move downward to the position of the first bending disk 302, changing the bending radius, and at the same time, the position of the guide strip 103 is adjusted by the first electric push rod 102 to make it tangent to the circumference of the second bending disk 303 (third bending disk 304) to complete the adjustment.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An evaporator pipe bending device, comprising a fixing device for fixing a pipe and then guiding and pushing the pipe to move forward, a rotating device for pushing the pipe to rotate and bend is installed on the front end of the fixing device, characterized in that: It also includes an adjusting device installed on the rotating device for supporting the pipe bending in multiple gears and capable of lifting and lowering the bending support radius; The adjusting device comprises a sliding sleeve, a first bending disk is installed outside the sliding sleeve, a second bending disk is arranged on the first bending disk, a third bending disk is arranged on the second bending disk, and a third electric push rod is installed at the center position of the sliding sleeve.

2. The evaporator pipe bending device according to claim 1, characterized in that: The fixing device includes a support frame, a first electric push rod is arranged on one side of the front end of the support frame, a guide bar is installed on the extended end of the first electric push rod, two linear motors are symmetrically arranged front and back behind the guide bar, a guide rail is installed on the linear motor, a slider is slidably installed on the guide rail, and a fixed seat is arranged in front of the slider.

3. The evaporator pipe bending device according to claim 1, characterized in that: The rotating device includes a support plate, a rotating shaft is rotatably mounted on the support plate, a bending motor is arranged below the rotating shaft, a rotating frame is arranged on one side of the rotating shaft, a second electric push rod is installed on the top of the rotating frame, and a bending block is installed at one end of the second electric push rod close to the rotating shaft.

4. The evaporator pipe bending device according to claim 1, characterized in that: A semicircular bending groove having the same diameter as the evaporator tube is formed on the circumference of the first bending plate.

5. The evaporator pipe bending device according to claim 2, characterized in that: A semicircular guide groove is provided on the guide strip.

6. The evaporator pipe bending device according to claim 3, characterized in that: The support plate is circular in shape, the rotating frame is welded to the rotating shaft, and the rotating frame is L-shaped.

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