Mechanism for sleeving air conditioner capillary tube with heat shrink tube

Abstract

The invention discloses a mechanism for sleeving a heat shrink tube on an air conditioner capillary tube, the mechanism comprises a rack, and a feeding module, a clamping module, a discharging module and a heating module which are mounted on the rack, two parallel sliding guide rails are arranged on the rack, the feeding module comprises a first-stage clamping device, a second-stage clamping device and a cutting device, the cutting device is mounted on the secondary clamping device; the clamping module comprises two supports which are symmetrically arranged on the rack, a first-stage clamping jaw, a second-stage clamping jaw and a third-stage clamping jaw, the feeding module is matched with the clamping module, after a cut heat shrink tube is arranged on the peripheral face of a tube in a sleeving mode, the tube is conveyed into a heating device through the discharging module, and the heat shrink tube is heated through the heating device. The heating device is used for heating the heat shrink tube arranged on the pipe fitting in a sleeving manner, so that the heat shrink tube arranged on the peripheral surface of the pipe fitting in a sleeving manner is shrunk and fixed, and the heat shrink tube sleeving device has the characteristics of simple structure, high working efficiency and high sleeving position consistency.

Description

Technical Field

[0001] The invention relates to the technical field of air conditioners, and in particular to a mechanism for sleeve-arranging a heat shrink tube on a capillary tube of an air conditioner. Background Art

[0002] The refrigeration technology for air conditioners belongs to the general refrigeration range, which mainly adopts the liquid vaporization refrigeration method. It mainly uses the fact that the liquid vaporization process absorbs specific latent heat, and the boiling point of the liquid is different at different pressures. The lower the pressure, the lower the boiling point.

[0003] The air conditioning system consists of a cold and heat source system and an air conditioning system. The refrigeration system provides the required cooling capacity for the air conditioning system to offset the cooling load of the indoor environment; the heating system provides the air conditioning system with heat to offset the heat load of the indoor environment. The refrigeration system is a crucial part of the air conditioning system. Its type, operation mode, and structural form directly affect the economy, efficiency, and rationality of the air conditioning system in operation.

[0004] The liquid refrigerant passes through the capillary tube and enters the evaporator. The space suddenly increases and the pressure decreases, so the liquid refrigerant will vaporize. The process from liquid to gas is an endothermic process, which absorbs a large amount of heat. The evaporator becomes cold, so cold air is blown out.

[0005] The refrigerant circulates in the capillary tube and enters the evaporator for heat exchange. Therefore, the capillary tube is an important component of the air conditioner. Since the capillary tubes in the air conditioner are assembled very densely, when the refrigerant flows through the capillary tubes, the capillary tubes are prone to vibration and noise, and friction will also occur between the capillaries, which is very unfavorable for reducing noise and vibration of the air conditioner. Therefore, before a single capillary tube is assembled into the air conditioner, a certain length of heat shrink tube needs to be put on the specified position of the outer wall of the capillary tube to reduce vibration and noise.

[0006] However, currently, in the operation of sleeve heat shrink tube on capillary tube, manual operation is generally adopted to sleeve heat shrink tube cut to a certain length on the capillary tube, which has the problems of high labor intensity, low work efficiency and poor sleeve position consistency, which need to be solved.

[0007] Therefore, based on the above technical problems, the present application proposes a mechanism for sleeve-mounting a heat shrink tube on an air-conditioning capillary tube, which has a simple structure, high working efficiency, and high sleeve position consistency. Summary of the invention

[0008] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a mechanism for sleeve-mounting a heat shrink tube on an air-conditioning capillary tube, which has a simple structure, high working efficiency and high sleeve position consistency.

[0009] To achieve the above object, a mechanism for sleeving a heat-shrinkable tube on an air-conditioning capillary tube provided by the present invention includes a frame and a feeding module, a clamping module, a discharging module, and a heating module mounted on the frame. Two parallel sliding rails are provided on the frame. Among them, the feeding module is slidably connected to one of the sliding rails, and the discharging module is slidably connected to the other sliding rail; the feeding module includes a primary clamping device, a secondary clamping device, and a cutting device, wherein the cutting device is mounted on the secondary clamping device; the primary clamping device is used for clamping and conveying pipe fittings and sleeving the heat-shrinkable tube on the outer peripheral surface of the pipe fittings, the secondary clamping device is used for fixing the end face of the heat-shrinkable tube head, the cutting device is used for cutting the original heat-shrinkable tube, the clamping module includes two brackets symmetrically arranged on the frame, a primary clamping jaw, a secondary clamping jaw, and a tertiary clamping jaw, wherein a fixed rail for sliding and positioning the primary clamping jaw, the secondary clamping jaw, and the tertiary clamping jaw is provided between the brackets; the primary clamping jaw, the secondary clamping jaw, and the tertiary clamping jaw are all used to cooperate with the feeding module to enable the pipe fitting to pass through the end face of the tail of the cut heat-shrinkable tube and sleeve the pipe fitting on the outer peripheral surface of the pipe fitting, the heating module is used for heating and shrinking the heat-shrinkable tube sleeved on the pipe fitting. Through the cooperation of the feeding module and the clamping module, after the cut heat-shrinkable tube is sleeved on the outer peripheral surface of the pipe fitting, the discharging module is used to transport the pipe fitting to the heating device, and the heating device is used to heat the heat-shrinkable tube sleeved on the pipe fitting, so that the heat-shrinkable tube sleeved on the outer peripheral surface of the pipe fitting shrinks and is fixed.

[0010] Further, the feeding module further includes a primary driving unit and a secondary driving unit. The primary driving unit is used to drive the primary clamping device to move horizontally along the sliding rail, and the secondary driving unit is used to drive the secondary clamping device to move horizontally along the sliding rail.

[0011] Further, the cutting device includes a cutting piece, a connecting piece, and a tertiary driving unit. The connecting piece is mounted on the movable end of the tertiary driving unit, one end of the cutting piece is fixedly mounted on the connecting piece, and the tertiary driving unit is used to drive the cutting piece to cut the original heat-shrinkable tube.

[0012] Further, auxiliary rails parallel to each other are further provided on the frame. The auxiliary rails are used to cooperate with the sliding rails to enable the feeding module and the discharging module to move horizontally on the frame.

[0013] Further, two through slots are formed on the frame. Among them, the through slots are located between the sliding rails and the auxiliary rails; the through slots are used to provide a movable position for the connecting lines in the feeding module; a vertically through hole is formed on the frame, and the through hole is used for positioning and installing the heating module.

[0014] Further, the blanking module includes two oppositely arranged support seats, two four-stage jaws, a six-stage driving unit, a seven-stage driving unit, and a displacement device. Among them, the four-stage jaws are installed on the movable end of the six-stage driving unit, the six-stage driving unit is installed on the displacement device, and the displacement device is fixedly installed on the top of the support seat; the six-stage driving unit is used to drive the four-stage jaws to move in the vertical direction, the seven-stage driving unit is used to drive the support seat to move horizontally along the sliding guide rail, and the material transfer device is used to cooperate with the four-stage jaws to convey the pipe fittings sleeved with the heat shrinkable tube to the heating module and convey the pipe fittings after the heating operation to the next process.

[0015] Further, the heating module includes a heating device, a sealing stopper cooperating with the heating device, a four-stage driving unit, and a five-stage driving unit. The four-stage driving unit is used to drive the sealing stopper to move in the vertical direction, and the five-stage driving unit is used to drive the heating device to move in the vertical direction.

[0016] Further, the length dimension of the heating device is smaller than the length dimension of the heat shrinkable tube after cutting.

[0017] Further, it further includes an unwinding device for providing the original heat shrinkable tube to the feeding module. The unwinding device is fixed on one side of the frame, and the original heat shrinkable tube is wound around the winding device.

[0018] Further, the clamping module further includes an eight-stage driving unit, a nine-stage driving unit, and a ten-stage driving unit. Among them, the eight-stage driving unit, the nine-stage driving unit, and the ten-stage driving unit are all fixedly installed on the fixed guide rail; the first-stage jaws are installed on the movable end of the eight-stage driving unit, the second-stage jaws are installed on the movable end of the nine-stage driving unit, the third-stage jaws are installed on the movable end of the ten-stage driving unit, the eight-stage driving unit is used to drive the first-stage jaws to approach the pipe fittings, the nine-stage driving unit is used to drive the second-stage jaws to approach the pipe fittings, and the ten-stage driving unit is used to drive the third-stage jaws to approach the pipe fittings.

[0019] The present invention adopts the above scheme, and its beneficial effects are as follows: Through the cooperation of the relevant material clamping devices and jaws, the material clamping devices are aligned and push the pipe fittings into the heat shrinkable tube, making the sleeving of the heat shrinkable tube automated. This not only reduces the utilization rate of human resources and achieves the purpose of high work efficiency, but also makes the sleeving positions of the sleeves all within the preset range, realizing the characteristic of high consistency of the sleeve positions, and is more convenient for ensuring the quality of subsequent finished products. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the mechanism in this embodiment.

[0021] Figure 2 It is a front view of the mechanism in this embodiment.

[0022] Figure 3 This is a schematic diagram of some modules of the mechanism in this embodiment.

[0023] Figure 4 is Figure 3 an enlarged schematic view of the local part A in

[0024] Figure 5 This is a structural schematic diagram of the clamping module in this embodiment.

[0025] Figure 6 This is a structural schematic diagram of the blanking module in this embodiment.

[0026] Figure 7 This is a structural schematic diagram of the heating module in this embodiment.

[0027] Figure 8 This is a schematic diagram of the module cooperation when the heat shrinkable tube is sleeved on the pipe fitting in this embodiment.

[0028] Wherein, 1 - frame, 11 - sliding guide rail, 12 - auxiliary guide rail, 13 - through slot, 14 - through hole, 2 - loading module, 21 - primary clamping device, 22 - primary driving unit, 23 - secondary clamping device, 24 - secondary driving unit, 25 - cutting device, 251 - cutting piece, 252 - connecting piece, 253 - tertiary driving unit, 3 - clamping module, 31 - bracket, 32 - primary clamping jaw, 33 - eighth - level driving unit, 34 - secondary clamping jaw, 35 - ninth - level driving unit, 36 - tertiary clamping jaw, 37 - tenth - level driving unit, 38 - fixed guide rail, 4 - blanking module, 41 - support seat, 42 - fourth - level clamping jaw, 43 - sixth - level driving unit, 44 - seventh - level driving unit, 45 - displacement device, 5 - heating module, 51 - heating device, 52 - sealing baffle, 53 - fourth - level driving unit, 54 - fifth - level driving unit, 6 - heat shrinkable tube, 7 - original heat shrinkable tube, 8 - pipe fitting, 9 - winding device. Detailed implementation manners

[0029] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the accompanying drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. The purpose of providing these embodiments is to make the disclosure of the present invention understood more thoroughly and comprehensively.

[0030] See the attached Figure 1As shown, in this embodiment, a mechanism for sleeving a heat-shrinkable tube on an air-conditioning capillary tube includes a frame 1 and a feeding module 2, a clamping module 3, a discharging module 4, and a heating module 5 mounted on the frame 1. Two mutually parallel sliding guide rails 11 are provided on the frame 1. Among them, the feeding module 2 is slidably connected to one of the sliding guide rails 11, and the discharging module 4 is slidably connected to the other sliding guide rail 11. The frame 1 is also provided with mutually parallel auxiliary guide rails 12, which are used to cooperate with the sliding guide rails 11 to enable the feeding module 2 and the discharging module 4 to move horizontally on the frame 1, avoiding excessive load on the sliding guide rails 11 caused by some modules being too heavy, thereby reducing the cost required for subsequent maintenance. More specifically, a toothed setting is formed along the horizontal direction on one side of the above-mentioned auxiliary guide rail 12, and transmission parts meshing with the auxiliary guide rail 12 are provided on the primary driving unit 22 and the secondary driving unit 24 in the feeding module 2 and the seventh driving unit 44 in the discharging module 4.

[0031] See the appendix Figure 1 As shown, further, the above-mentioned mechanism further includes an unwinding device for supplying the original heat-shrinkable tube 7 to the feeding module 2. The unwinding device is fixed on one side of the frame 1, and the original heat-shrinkable tube 7 is wound around the winding device 9, thereby reducing the floor area occupied by the raw material (the original heat-shrinkable tube 7) required for production, and making it more convenient for production personnel to replenish when the heat-shrinkable tube 6 is about to run out, ensuring the supply of the heat-shrinkable tube 6 to the next pipe fitting 8 to be sleeved, and enabling the orderly progress of production.

[0032] See the appendix Figure 3 、 4As shown in the figure, in this embodiment, the feeding module 2 includes a primary clamping device 21, a secondary clamping device 23, a cutting device 25, a primary driving unit 22, and a secondary driving unit 24. Among them, the cutting device 25 is installed on the secondary clamping device 23; the primary clamping device 21 is used to clamp and convey the pipe fitting 8 and sleave the heat shrinkable tube 6 on the outer peripheral surface of the pipe fitting 8. The secondary clamping device 23 is used to fix the end face of the heat shrinkable tube 6, so as to facilitate one end of the pipe fitting 8 to enter the heat shrinkable tube 6 from the end face of the heat shrinkable tube 6; the primary driving unit 22 is used to drive the primary clamping device 21 to move horizontally along the sliding guide rail 11, and the secondary driving unit 24 is used to drive the secondary clamping device 23 to move horizontally along the sliding guide rail 11, so as to achieve the purpose of sleaving the heat shrinkable tube 6 on the outer peripheral surface of the pipe fitting 8; the cutting device 25 is used to cut the original heat shrinkable tube 7. The cutting device 25 includes a cutting piece 251, a connecting piece 252, and a tertiary driving unit 253. The connecting piece 252 is installed on the movable end of the tertiary driving unit 253, and one end of the cutting piece 251 is fixedly installed on the connecting piece 252. The tertiary driving unit 253 is used to drive the cutting piece 251 to cut the original heat shrinkable tube 7. Specifically, when the secondary clamping device 23 moves to the preset position 1, the cutting device 25 cuts the original heat shrinkable tube 7 at the preset position 1, so as to ensure that the length dimensions of the heat shrinkable tubes 6 sleaved on the capillary tubes are consistent.

[0033] See the appendix Figure 5 As shown in the figure, in this embodiment, the clamping module 3 includes two brackets 31 symmetrically arranged on the frame 1, a primary clamping jaw 32, a secondary clamping jaw 34, and a tertiary clamping jaw 36. Among them, a fixed guide rail 38 for the sliding positioning of the primary clamping jaw 32, the secondary clamping jaw 34, and the tertiary clamping jaw 36 is provided between the brackets 31 (the above-mentioned primary clamping jaw 32, secondary clamping jaw 34, and tertiary clamping jaw 36 are fixedly spaced on the fixed guide rail 38, and the specific positions can be set according to the actual production requirements); the primary clamping jaw 32, the secondary clamping jaw 34, and the tertiary clamping jaw 36 are all used to cooperate with the feeding module 2 to make the pipe fitting 8 pass through the end face of the tail of the cut heat shrinkable tube 6 and sleave the pipe fitting 8 on the outer peripheral surface of the pipe fitting 8.

[0034] See the appendix Figure 5As shown in the figure, further, the clamping module 3 further includes an eighth-level driving unit 33, a ninth-level driving unit 35, and a tenth-level driving unit 37. Among them, the eighth-level driving unit 33, the ninth-level driving unit 35, and the tenth-level driving unit 37 are all fixedly installed on the fixed guide rail 38; the first-level jaw 32 is installed on the movable end of the eighth-level driving unit 33, the second-level jaw 34 is installed on the movable end of the ninth-level driving unit 35, and the third-level jaw 36 is installed on the movable end of the tenth-level driving unit 37. The eighth-level driving unit 33 is used to drive the first-level jaw 32 to approach the pipe fitting 8, the ninth-level driving unit 35 is used to drive the second-level jaw 34 to approach the pipe fitting 8, and the tenth-level driving unit 37 is used to drive the third-level jaw 36 to approach the pipe fitting 8. Through the cooperation of the above-mentioned related jaws and driving units, the clamping module 3 and the feeding module 2 achieve the purpose of sleeving the heat-shrinkable tube 6 on the outer peripheral surface of the pipe fitting 8.

[0035] See the appendix Figure 3 As shown in the figure, further, two through slots 13 are formed on the frame 1. Among them, the through slots 13 are located between the sliding guide rail 11 and the auxiliary guide rail 12; the through slots 13 are used to provide a movable position for the connection lines in the feeding module 2, so as to facilitate the detailed management of the lines in the mechanism and reduce the subsequent maintenance difficulty; a vertically through hole 14 is formed on the frame 1, and the through hole 14 is used for the positioning and installation of the heating module 5, which is convenient for reducing the difficulty of mechanism assembly and improving the production efficiency of the above mechanism.

[0036] See the appendix Figure 6 As shown in the figure, further, the blanking module 4 includes two relatively arranged support seats 41, two fourth-level jaws 42, a sixth-level driving unit 43, a seventh-level driving unit 44, and a displacement device 45. Among them, the fourth-level jaw 42 is installed on the movable end of the sixth-level driving unit 43, the sixth-level driving unit 43 is installed on the displacement device 45, and the displacement device 45 is fixedly installed on the top of the support seat 41; the sixth-level driving unit 43 is used to drive the fourth-level jaw 42 to move in the vertical direction, and the seventh-level driving unit 44 is used to drive the support seat 41 to move horizontally along the sliding guide rail 11. The material transfer device is used to cooperate with the fourth-level jaw 42 to convey the pipe fitting 8 sleeved with the heat-shrinkable tube 6 to the heating module 5 and convey the pipe fitting 8 after the heating operation to the next process. Specifically, (refer to Figure 1 the coordinate axes shown. In this embodiment, the Y-axis is the vertical direction, the X-axis is the horizontal direction, and the Z-axis is the longitudinal direction) the above heating device 51 is not in the same Z-axis position. Through the material transfer device, the fourth-level jaw 42 clamping the pipe fitting 8 longitudinally translates the pipe fitting 8 from the Z-axis position of the feeding module 2 to the Z-axis position of the heating device 51 for heating, which is more convenient for simultaneously sleeving the heat-shrinkable tube 6 on the next pipe fitting 8 to be processed when heating and fixing the heat-shrinkable tube 6 sleeved on the pipe fitting 8, reducing the production time required and improving the production efficiency.

[0037] See the appendix Figure 7As shown, in this embodiment, the heating module 5 is used to heat and shrink the heat shrinkable tube 6 sleeved on the pipe fitting 8. Through the cooperation of the feeding module 2 and the clamping module 3, after the cut heat shrinkable tube 6 is sleeved on the outer peripheral surface of the pipe fitting 8, the discharging module 4 transports the pipe fitting 8 into the heating device 51, and the heating device 51 heats the heat shrinkable tube 6 sleeved on the pipe fitting 8, so that the heat shrinkable tube 6 sleeved on the outer peripheral surface of the pipe fitting 8 shrinks and is fixed.

[0038] See the appendix Figure 7 As shown, further, the heating module 5 includes a heating device 51, a sealing baffle 52 cooperating with the heating device 51, a four-level driving unit 53 and a five-level driving unit 54. The four-level driving unit 53 is used to drive the sealing baffle 52 to move in the vertical direction, and the five-level driving unit 54 is used to drive the heating device 51 to move in the vertical direction. The length dimension of the heating device 51 is smaller than the length dimension of the cut heat shrinkable tube 6. Specifically, a notch for the pipe fitting 8 to enter is formed on one side of the heating device 51. When the pipe fitting 8 enters the heating device 51 through the notch, the sealing baffle 52 shields and seals the notch position, which can effectively reduce the heat overflow of the heating device 51, increase the heat receiving area of the heat shrinkable tube 6, reduce the heating time required, and thus improve the work efficiency. Secondly, by setting the length dimension of the heating device 51 to be smaller than the length dimension of the cut heat shrinkable tube 6, the production cost of the mechanism is reduced, and at the same time, when processing a pipe fitting 8 with a smaller length dimension, the heating device 51 is prevented from colliding with the discharging module 4 clamping the pipe fitting 8, improving the applicable range of the production of this mechanism.

[0039] It should be noted that when the four-level jaw 42 in the discharging module 4 clamps the pipe fitting 8 sleeved with the heat shrinkable tube 6 for heating operation, the seven-level driving unit 44 drives the support seat 41 to move horizontally along the sliding guide rail 11, so that the heating device 51 continuously heats the heat shrinkable tube 6 on the pipe fitting 8 from the head end face position to the tail end face position, ensuring that the heat shrinkable tube 6 is integrally fixed on the pipe fitting 8 and ensuring the finished product quality.

[0040] For the convenience of explanation, the following further explains in combination with the specific working process of the above mechanism.

[0041] S1 When the secondary clamping device 23 clamps the original heat shrinkable tube 7 and is at the preset position 1, the primary clamping device 21 clamping the pipe fitting 8 horizontally displaces to the preset position 2, so that one end of the pipe fitting 8 is aligned with the head end face of the original heat shrinkable tube 7; S2 The primary clamping device 21 clamping the pipe fitting 8 is moved to the preset position 3, so that the pipe fitting 8 enters the original heat shrinkable tube 7 from the head end face of the original heat shrinkable tube 7; S3 After the eight-level driving unit 33 drives the primary jaw 32 to extend and clamp the pipe fitting 8, the primary clamping device 21 releases the pipe fitting 8 and moves to the preset position 4; S4 Release the pipe fitting 8 by the three - stage gripper 36, clamp the pipe fitting 8 by the first - stage material clamping device 21 and move it to the preset position 3, so that the pipe fitting 8 extends to the end face of the original heat - shrinkable tube 7; S5 Clamp the pipe fitting 8 by the first - stage gripper 32 and the three - stage gripper 36; S6 Move the second - stage material clamping device 23 to the preset position 5 (at this time, the second - stage material clamping device 23 is located between the second - stage gripper 34 and the three - stage gripper 36), release the pipe fitting 8 by the first - stage material clamping device 21 and move it to the preset position 3 (at this time, the first - stage material clamping device 21 is not in contact with the pipe fitting 8); S7 Drive the three - stage gripper 36 to extend and clamp the pipe fitting 8 by the tenth - stage driving unit 37, release the pipe fitting 8 by the first - stage gripper 32 and the three - stage gripper 36, drive the first - stage gripper 32 to retract by the eighth - stage driving unit 33, and drive the three - stage gripper 36 to retract by the tenth - stage driving unit 37; S8 Move the second - stage material clamping device 23 to the preset position 6 (cutting position), control the cutting device 25 to cut the original heat - shrinkable tube 7 by the third - stage driving unit 253, so that the heat - shrinkable tube 6 sleeved on the pipe fitting 8 is independent; S9 Keep the first - stage material clamping device 21 in a clamping posture and move the first - stage material clamping device 21 to the preset position 2, use its side end face to push the other end of the pipe fitting 8, so that one end of the pipe fitting 8 passes through the end face of the tail of the heat - shrinkable tube 6, and make the heat - shrinkable tube 6 sleeved on the outer peripheral surface of the pipe fitting 8; S10 Drive the first - stage gripper 32 to extend and clamp the pipe fitting 8 by the eighth - stage driving unit 33, drive the three - stage gripper 36 to extend and clamp the pipe fitting 8 by the tenth - stage driving unit 37, and move the first - stage material clamping device 21 to the pipe fitting 8 loading position; S11 The displacement device 45 drives the two four - stage grippers 42 to move longitudinally to the position where the pipe fitting 8 is located, the sixth - stage driving unit 43 drives the four - stage grippers 42 to move downward in the vertical direction and clamp both ends of the pipe fitting 8, and release and retract the pipe fitting 8 by the first - stage gripper 32, the second - stage gripper 34 and the three - stage gripper 36; S12 After the sixth - stage driving unit 43 drives the four - stage grippers 42 to move upward in the vertical direction, the displacement device 45 drives the two four - stage grippers 42 to move longitudinally to the position where the heating device 51 is located; S13 The fifth - stage driving unit 54 drives the heating device 51 to move upward in the vertical direction. After the displacement device 45 drives the four - stage grippers 42 clamping the pipe fitting 8 to pass through the notch of the heating device 51 and enter the heating device 51, the fourth - stage driving unit 53 drives the sealing baffle 52 to move upward in the vertical direction, so that the sealing baffle 52 blocks the notch position; S14 Drive the support base 41 to move horizontally along the sliding guide rail 11 by the seventh - stage driving unit 44, so that the heating device 51 moves horizontally from the head end face to the tail end face of the heat - shrinkable tube 6 sleeved on the pipe fitting 8, so that the heat - shrinkable tube 6 is heated and shrunk and fixed on the outer peripheral surface of the pipe fitting 8; The S15 four - stage drive unit 53 drives the sealing stopper 52 to move downward in the vertical direction, and the displacement device 45 drives the four - stage jaw 42 clamping the pipe fitting 8 to leave the heating device 51 through the notch of the heating device 51 and is conveyed to the next process.

[0042] The above embodiments are only the preferred embodiments of the present invention and do not impose any form of limitation on the present invention. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, makes more possible changes and refinements or modifications to the technical solution of the present invention by using the technical content disclosed above, which are all equivalent embodiments of the present invention. Therefore, all equivalent changes made according to the idea of the present invention without departing from the content of the technical solution of the present invention should be covered within the protection scope of the present invention.

Claims

1. A mechanism for sleeve-mounting a heat shrink tube on an air conditioner capillary tube, characterized in that: The invention comprises a frame (1) and a loading module (2), a clamping module (3), a unloading module (4) and a heating module (5) installed on the frame (1); the frame (1) is provided with two mutually parallel sliding guide rails (11); the loading module (2) is slidably connected to one of the sliding guide rails (11), and the unloading module (4) is slidably connected to the other sliding guide rail (11); the loading module (2) comprises a primary clamping device (21), a secondary clamping device (23) and The cutting device (25) is installed on the secondary clamping device (23); the primary clamping device (21) is used to clamp and transport the pipe (8) and allow the heat shrink tube (6) to be sleeved on the outer peripheral surface of the pipe (8); the secondary clamping device (23) is used to fix the head end surface of the heat shrink tube (6); the cutting device (25) is used to cut the original heat shrink tube (7); the clamping module (3) comprises two brackets (31) symmetrically arranged on the frame (1), a primary clamping claw ( 32), a secondary clamp (34) and a tertiary clamp (36), wherein a fixed guide rail (38) for sliding and positioning the primary clamp (32), the secondary clamp (34) and the tertiary clamp (36) is provided between the brackets (31); the primary clamp (32), the secondary clamp (34) and the tertiary clamp (36) are all used to cooperate with the feeding module (2) to allow the pipe (8) to pass through the tail end surface of the cut heat shrink tube (6) and allow the pipe (8) to be sleeved on the outer peripheral surface of the pipe (8), and the heating module (5) is used to heat and shrink the heat shrink tube (6) sleeved on the pipe fitting (8). Through the cooperation of the feeding module (2) and the clamping module (3), the cut heat shrink tube (6) is sleeved on the outer peripheral surface of the pipe fitting (8), and then the unloading module (4) transports the pipe fitting (8) to the heating device (51), and the heating device (51) heats the heat shrink tube (6) sleeved on the pipe fitting (8), so that the heat shrink tube (6) sleeved on the outer peripheral surface of the pipe fitting (8) is shrunk and fixed.

2. The mechanism for sleeve-mounting a heat shrink tube on an air conditioner capillary tube according to claim 1, characterized in that: The loading module (2) further comprises a primary drive unit (22) and a secondary drive unit (24), wherein the primary drive unit (22) is used to drive the primary clamping device (21) to move horizontally along the sliding guide rail (11), and the secondary drive unit (24) is used to drive the secondary clamping device (23) to move horizontally along the sliding guide rail (11).

3. The mechanism for sleeve-mounting a heat shrink tube on an air-conditioning capillary tube according to claim 1, characterized in that: The cutting device (25) comprises a cutting piece (251), a connecting piece (252) and a three-stage driving unit (253); the connecting piece (252) is mounted on a movable end of the three-stage driving unit (253); one end of the cutting piece (251) is fixedly mounted on the connecting piece (252); and the three-stage driving unit (253) is used to drive the cutting piece (251) to cut the original heat shrink tube (7).

4. The mechanism for sleeve-mounting a heat shrink tube on an air conditioner capillary tube according to claim 1, characterized in that: The frame (1) is also provided with auxiliary guide rails (12) parallel to each other, and the auxiliary guide rails (12) are used to cooperate with the sliding guide rails (11) to allow the loading module (2) and the unloading module (4) to move in a horizontal direction on the frame (1).

5. The mechanism for sleeve-mounting a heat shrink tube on an air-conditioning capillary tube according to claim 4, characterized in that: The frame (1) is formed with two through slots (13), wherein the through slots (13) are located between the sliding guide rail (11) and the auxiliary guide rail (12); the through slots (13) are used to provide a movable position for the connection line in the loading module (2); the frame (1) is formed with a vertical through hole (14), and the through hole (14) is used for positioning and installing the heating module (5).

6. The mechanism for sleeve-mounting a heat shrink tube on an air-conditioning capillary tube according to claim 1, characterized in that: The material discharging module (4) comprises two supporting seats (41) arranged opposite to each other, two four-stage clamps (42), a six-stage drive unit (43), a seven-stage drive unit (44) and a displacement device (45), wherein the four-stage clamps (42) are mounted on the movable end of the six-stage drive unit (43), the six-stage drive unit (43) is mounted on the displacement device (45), and the displacement device (45) is fixedly mounted on the top of the supporting seat (41); the six-stage drive unit (43) is used to drive the four-stage clamps (42) to move in a vertical direction, the seven-stage drive unit (44) is used to drive the supporting seat (41) to move horizontally along the sliding guide rail (11), and the material displacement device is used to cooperate with the four-stage clamps (42) to transport the pipe fittings (8) sleeved with the heat shrink tube (6) to the heating module (5) and to transport the pipe fittings (8) after the heating operation is completed to the next process.

7. The mechanism for sleeve-mounting a heat shrink tube on an air conditioner capillary tube according to claim 1, characterized in that: The heating module (5) comprises a heating device (51), a sealing stopper (52) matched with the heating device (51), a four-stage driving unit (53) and a five-stage driving unit (54); the four-stage driving unit (53) is used to drive the sealing stopper (52) to move in a vertical direction, and the five-stage driving unit (54) is used to drive the heating device (51) to move in a vertical direction.

8. The mechanism for sleeve-mounting a heat shrink tube on an air-conditioning capillary tube according to claim 7, characterized in that: The length of the heating device (51) is smaller than the length of the heat shrink tube (6) after cutting.

9. The mechanism for sleeve-mounting a heat shrink tube on an air conditioner capillary tube according to claim 1, characterized in that: It also includes an unwinding device for providing the original heat shrink tube (7) to the upper material module (2), wherein the unwinding device is fixed to one side of the frame (1), and the original heat shrink tube (7) is wrapped around the rewinding device (9).

10. The mechanism for sleeve-mounting a heat shrink tube on an air-conditioning capillary tube according to claim 1, characterized in that: The clamping module (3) further comprises an eight-stage drive unit (33), a nine-stage drive unit (35) and a ten-stage drive unit (37), wherein the eight-stage drive unit (33), the nine-stage drive unit (35) and the ten-stage drive unit (37) are all fixedly mounted on a fixed guide rail (38); the first-stage clamp (32) is mounted on the movable end of the eight-stage drive unit (33), the second-stage clamp (34) is mounted on the movable end of the nine-stage drive unit (35), and the third-stage clamp (36) is mounted on the movable end of the ten-stage drive unit (37); the eight-stage drive unit (33) is used to drive the first-stage clamp (32) to approach the pipe fitting (8), the nine-stage drive unit (35) is used to drive the second-stage clamp (34) to approach the pipe fitting (8), and the ten-stage drive unit (37) is used to drive the third-stage clamp (36) to approach the pipe fitting (8).

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