Heat exchanger handling device and automatic device for the tube expanding process of heat exchangers

Abstract

The present invention provides a heat exchanger handling device, which includes an industrial robot and a handling fixture. The handling fixture is installed on the industrial robot. The handling fixture includes a position adjustment component and a clamping component. The clamping component is connected to the position adjustment component and its position is adjusted by the position adjustment component. The clamping component is used to clamp the heat exchanger. The clamping component can clamp the heat exchanger along a first direction and a second direction. The first direction is along the direction of the heat exchanger plate surface, and the second direction is perpendicular to the heat exchanger plate surface. The automatic handling device of the present invention is applicable to the handling of heat exchangers by industrial robots, can quickly handle, realize automatic loading and unloading of the expanded tubes of the heat exchanger, thereby improving production efficiency, can replace traditional manual operations, and reduce the labor intensity of employees.

Description

Technical Field

[0001] The present invention belongs to the technical field of heat exchangers, and particularly relates to a heat exchanger handling device and an automatic device for the tube expanding process of heat exchangers. Background Art

[0002] Before the assembly of the heat exchanger of an air conditioner, there is a tube expanding process. When expanding the tubes, it is necessary for workers to lift the heat exchanger and then put it into the tube expander. After the tube expanding is completed, it is necessary for workers to remove the heat exchanger from the tube expander. The manual tube expanding is slow, with low efficiency, and the weight of a single heat exchanger is relatively heavy, resulting in a particularly high labor intensity for workers. Summary of the Invention

[0003] Therefore, the technical problem to be solved by the present invention is that the heat exchanger is manually handled, with low work efficiency and high labor intensity. Thus, a heat exchanger handling device and an automatic device for the tube expanding process of heat exchangers are provided.

[0004] To solve the above problems, the present invention provides a heat exchanger handling device, including:

[0005] An industrial robot and a handling fixture, the handling fixture being installed on the industrial robot;

[0006] The handling fixture includes a position adjustment component and a clamping component. The clamping component is connected to the position adjustment component and its position is adjusted by the position adjustment component. The clamping component is used to clamp the heat exchanger;

[0007] The clamping component can clamp the heat exchanger along a first direction and a second direction. The first direction is along the plane of the heat exchanger plate, and the second direction is perpendicular to the plane of the heat exchanger plate.

[0008] The object of the present invention and the technical problems to be solved can be further achieved by the following technical measures.

[0009] Preferably, the handling fixture further includes a robot connection part and a bracket part. The position adjustment component and the clamping component are installed on the bracket part, and the bracket part is connected to the end of the industrial robot through the robot connection part;

[0010] And / or, the handling fixture further comprises an anti-tilt assembly, the anti-tilt assembly part can support the heat exchanger to prevent the heat exchanger from tilting, the anti-tilt assembly comprises an anti-tilt cylinder, the anti-tilt cylinder is connected to the bracket part, a flexible head piece is installed at the end of the push rod of the anti-tilt cylinder, the flexible head piece can support the heat exchanger to prevent the heat exchanger from tilting. Preferably, the position adjustment assembly comprises a screw assembly, two groups of movable carriers, the screw assembly can drive the two groups of movable carriers to move closer to or away from each other along a first direction, the movable carrier is provided with a first cylinder that can be extended and retracted along the first direction, the clamping assembly is connected to the first cylinder, the first cylinder can drive the clamping assembly to move along the first direction, the movable carrier is also provided with a first guide rail extending along the first direction, the clamping assembly is slidably connected to the first guide rail, and the clamping assembly can slide along the first guide rail.

[0011] Preferably, the clamping assembly includes a first support plate arranged along the second direction, the first support plate is provided with a first clamping member that can move along the second direction, and the bottom end of the first support plate along the second direction is provided with a second clamping member, the first clamping member and the second clamping member are positioned relative to each other and respectively clamp two opposite plate surfaces of the heat exchanger, the first support plate includes a first side surface facing the heat exchanger and a second side surface facing away from the heat exchanger, the second clamping member includes a flat plate and a flap, the flat plate is vertically connected to the flap plate and extends to the side where the first side is located, and the flap plate drives the flat plate to flip toward the second side to contact the plate surface of the heat exchanger.

[0012] Preferably, the flap includes a first angled edge facing the second side surface, a sliding groove is provided on the first angled edge, a sliding pin is provided in the sliding groove, the sliding pin is connected to the first clamping member through a connecting rod, and the angle of the flap is hinged to the second side surface of the bottom end of the first support plate through a hinge part. When the first clamping member moves along the second direction, the first angled edge is pulled by the connecting rod, the sliding pin and the sliding groove, and the flap flips around the hinge part in the moving direction of the first clamping member.

[0013] An automatic device for a heat exchanger tube expansion process, comprising:

[0014] The loading module is used to load the heat exchanger that has not been expanded;

[0015] Tube expander, which is used for tube expansion processing of heat exchangers;

[0016] The material unloading module is used to output the heat exchanger after the expansion tube processing is completed;

[0017] Any of the above-mentioned heat exchanger transport devices can transport the heat exchanger in the loading module to the tube expander, and transport the heat exchanger processed by the tube expander to the unloading module.

[0018] The purpose of the present invention and the solution to its technical problems can be further achieved by adopting the following technical measures.

[0019] Preferably, the feeding module includes a first conveyor line and a feeding positioning assembly. The first conveyor line is used for transporting the heat exchanger, and the feeding positioning assembly is used to position the heat exchanger so that the handling jig can accurately grasp it.

[0020] The feeding positioning assembly includes a proximity switch, which is electrically connected to the controller of the first conveyor line. When the proximity switch detects the heat exchanger, the first conveyor line stops, and the heat exchanger stops at a preset position.

[0021] Preferably, the feeding positioning assembly further includes a lifter, which is used to lift the heat exchanger parked at the preset position to a predetermined height so that the handling device can successfully grasp the heat exchanger. And / or, the feeding positioning assembly includes a lateral positioning assembly, which is arranged on both sides of the first conveyor line and is used to laterally position the heat exchanger parked at the preset position.

[0022] Preferably, the tube expanding machine is provided with a tube expanding jig, which is used to fix the heat exchanger on the tube expanding machine. The tube expanding jig includes a supporting member, a positioning plate, and a linkage clamping plate. The supporting member is used to support the bottom of the heat exchanger, the linkage clamping plate is arranged on the positioning plate, the positioning plate releases the plate surface of the heat exchanger to position the heat exchanger, and the linkage clamping plate is used to clamp the heat exchanger from the side.

[0023] Preferably, the linkage clamping plate includes a first clamping plate, a second clamping plate, and a linkage mechanism. The linkage mechanism includes a driving member and a double-headed rocker assembly. The first clamping plate and the second clamping plate are respectively connected to both ends of the double-headed rocker assembly, and the first clamping plate and the second clamping plate approach or move away from each other under the drive of the linkage structure.

[0024] And / or, the tube expanding machine is provided with a rotary table, and at least two tube expanding jigs are installed on the rotary table. While the heat exchanger fixed by one of the tube expanding jigs is being tube-expanded, the other tube expanding jigs can be used for feeding or discharging.

[0025] The heat exchanger handling device and the automatic device for the heat exchanger tube expanding process provided by the present invention at least have the following beneficial effects:

[0026] 1. The automatic handling device of the present invention is suitable for an industrial robot to handle the heat exchanger, can quickly handle it, realizes automatic loading and unloading of the heat exchanger for tube expansion, thereby improving production efficiency, and can replace traditional manual operations to reduce the labor intensity of employees.

[0027] 2. The handling device of the present invention drives the lead screw assembly through a motor and realizes the free setting of the jig width according to the PLC-controlled position adjustment assembly, thereby realizing the clamping of condensers with different widths.

[0028] 3. The clamping assembly uses a single driving cylinder to act on a parallel pressing mechanism. By the action of one cylinder, the first clamping member and the second clamping member are driven to act, enabling the condenser to be quickly clamped. Moreover, the design of the rotatable structure of the second clamping member can effectively prevent the problem of the condenser falling over when clamping the condenser.

[0029] 4. The tube expanding fixture also adopts a single driving link positioning mechanism. By the action of one cylinder, two clamping plates are driven to move towards each other, improving the positioning stability compared to the traditional method of using two cylinders on the left and right to push the push bar. Description of the Drawings

[0030] Figure 1 is a schematic structural diagram of the heat exchanger handling device according to an embodiment of the present invention;

[0031] Figure 2 is a schematic structural diagram of the handling fixture according to an embodiment of the present invention;

[0032] Figure 3 is Figure 2 an enlarged view of part A in

[0033] Figure 4 is a schematic structural diagram of the turning plate according to an embodiment of the present invention;

[0034] Figure 5 is a schematic structural diagram of the automatic device for the tube expanding process of the heat exchanger according to an embodiment of the present invention;

[0035] Figure 6 is a partial cross-sectional view of the structure of the feeding module according to an embodiment of the present invention;

[0036] Figure 7 is a schematic structural diagram of the tube expanding fixture according to an embodiment of the present invention Figure 1 ;

[0037] Figure 8 is a schematic structural diagram of the tube expanding fixture according to an embodiment of the present invention Figure 2 。

[0038] The reference numerals are shown as:

[0039] 1. Industrial robot; 2. Handling fixture; 3. Position adjustment component; 4. Clamping component; 5. Lateral positioning component; 6. Second conveyor line; 7. Heat exchanger; 8. Robot connection part; 9. Bracket part; 10. Lead screw component; 11. Moving carrier plate; 12. First cylinder; 13. First guide rail; 14. First support plate; 15. First clamping piece; 16. Second clamping piece; 17. First side; 18. Second side; 19. Flat plate; 20. Flap; 21. First folding edge; 22. Chute; 23. Slide pin; 24. Connecting rod; 25. Hinge part; 26. Anti-tipping component; 27. Anti-tipping cylinder; 28. Flexible top piece; 29. Loading module; 30. Tube expanding machine; 31. Unloading module; 32. First conveyor line; 33. Loading positioning component; 34. Proximity switch; 35. Jack; 36. Tube expanding fixture; 37. Supporting piece; 38. Positioning plate; 39. Linkage clamping plate; 40. First clamping plate; 41. Second clamping plate; 42. Linkage mechanism; 43. Driving piece; 44. Double-headed rocker component; 45. Rotary table. Detailed implementation manners

[0040] To make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention.

[0041] Combined with Figures 1 to 4 As shown, an embodiment of the present invention provides a heat exchanger handling device, including: an industrial robot 1 and a handling fixture 2, and the handling fixture 2 is installed on the industrial robot 1; the handling fixture 2 includes a position adjustment component 3 and a clamping component 4, the clamping component 4 is connected to the position adjustment component 3 and its position is adjusted by the position adjustment component 3, and the clamping component 4 is used for clamping the heat exchanger 7; the clamping component 4 can clamp the heat exchanger 7 along a first direction and a second direction, the first direction is the direction along the plate surface of the heat exchanger 7, and the second direction is the direction perpendicular to the plate surface of the heat exchanger 7.

[0042] In the art, heat exchangers are often manually handled, with low work efficiency and high labor intensity for employees. Especially in the last process of heat exchangers, namely the tube expanding process, it is necessary for workers to manually move the heat exchanger to the tube expanding machine for fixation, and after the tube expanding is implemented, it is manually moved away again. An embodiment of the present invention provides an automatic handling device for heat exchangers, which is suitable for industrial robots to handle heat exchangers, can quickly handle, realize automatic loading and unloading of heat exchangers for tube expanding, thereby improving production efficiency, can replace traditional manual operations, and reduce the labor intensity of employees. At the same time, by using the automatic handling device, the handling can be implemented more precisely, and the integrity effect of the heat exchanger is better than that of manual handling.

[0043] Preferably, in order to install the handling fixture 2 at the end of the industrial robot 1 and apply the handling fixture 2 to automatic control, the handling fixture 2 further includes a robot connection part 8 and a bracket part 9. The position adjustment assembly 3 and the clamping assembly 4 are installed on the bracket part 9, and the bracket part 9 is connected to the end of the industrial robot 1 through the robot connection part 8.

[0044] Preferably, in order to meet the working requirements of heat exchangers 7 of different sizes, the position adjustment assembly 3 includes a lead screw assembly 10 and two groups of moving carrier plates 11. The lead screw assembly 10 can drive the two groups of moving carrier plates 11 to approach or move away from each other in the first direction. A first cylinder 12 that expands and contracts in the first direction is provided on the moving carrier plate 11. The clamping assembly 4 is connected to the first cylinder 12, and the first cylinder 12 can drive the clamping assembly 4 to move in the first direction, so as to clamp the heat exchanger 7 in the first direction, that is, clamp it parallel to the plate surface direction of the heat exchanger. The moving carrier plate 11 and the first cylinder 12 together constitute an adjustment or travel system along the opposite direction of the plate surface of the heat exchanger 7. Thus, the fixture can be applied to heat exchangers 7 of different size specifications. The lead screw assembly 10 can be installed with a drive motor controlled by a PLC to realize the automatic adjustment of the position adjustment assembly 3.

[0045] Preferably, to ensure the running stability of the clamping assembly 4, a first guide rail 13 extending in the first direction is further provided on the moving carrier plate 11. The clamping assembly 4 is slidably connected to the first guide rail 13, and the clamping assembly 4 can slide along the first guide rail 13.

[0046] Preferably, since the heat exchanger 7 is composed of copper tubes and multiple groups of fins and does not have great rigidity itself, the clamping action needs to be gentle enough to avoid damaging the fins. The clamping assembly 4 includes a first support plate 14 arranged in the second direction. A first clamping member 15 that can move in the second direction is provided on the first support plate 14. A second clamping member 16 is provided at the bottom end of the first support plate 14 in the second direction. The first clamping member 15 and the second clamping member 16 are opposite in position and respectively clamp two opposite plate surfaces of the heat exchanger 7, so as to clamp the heat exchanger 7 in the second direction, that is, clamp it perpendicular to the plate surface direction of the heat exchanger.

[0047] Preferably, to realize clamping the heat exchanger 7 from both the upper and lower surfaces simultaneously, the first support plate 14 includes a first side surface 17 facing the heat exchanger 7 and a second side surface 18 facing away from the heat exchanger 7. The second clamping member 16 includes a flat plate 19 and a flap 20. The flat plate 19 is vertically connected to the flap 20 and extends to the side where the first side surface 17 is located. The flap 20 drives the flat plate 19 to flip towards the second side surface 18 to contact the plate surface of the heat exchanger 7.

[0048] Preferably, the flap 20 includes a first folded edge 21 facing the side where the second side 18 is located. A chute 22 is provided on the first folded edge 21. A sliding pin 23 is arranged in the chute 22. The sliding pin 23 is connected to the first clamping member 15 through a connecting rod 24. The folded corner of the flap 20 is hinged to the second side 18 at the bottom end of the first support plate 14 through a hinge portion 25. When the first clamping member 15 moves in the second direction, the first folded edge 21 is pulled through the connecting rod 24, the sliding pin 23, and the chute 22, and the flap 20 rotates around the hinge portion 25 in the moving direction of the first clamping member 15.

[0049] Thus, in the initial state, the second clamping member 16 is in a state of being turned downwards. The whole fixture approaches the heat exchanger 7 from above. After reaching the preset position, the first clamping member 15 moves downwards. At the same time, under the action of the flap 20, the flat plate 19 turns upwards. The flat plate 19 and the first clamping member 15 simultaneously contact and clamp the upper and lower plates of the heat exchanger 7.

[0050] Preferably, considering the relatively large size of the plate surface of the heat exchanger 7, in order to prevent the heat exchanger 7 from tilting, the handling fixture 2 further includes an anti-tilting assembly 26. The anti-tilting assembly 26 can support against the heat exchanger 7 to prevent the heat exchanger 7 from tilting.

[0051] Specifically, the anti-tilting assembly 26 includes an anti-tilting cylinder 27. The anti-tilting cylinder 27 is connected to the support portion 9. A flexible top member 28 is installed at the end of the push rod of the anti-tilting cylinder 27. The flexible top member 28 can support against the heat exchanger 7 to prevent the heat exchanger 7 from tilting.

[0052] Combined with Figures 5 - 8 As shown, the embodiment of the present invention provides an automatic device for the tube expanding process of the heat exchanger 7, including: a loading module 29 for loading the heat exchanger 7 that has not undergone tube expanding processing; a tube expander 30 for tube expanding processing of the heat exchanger 7; a unloading module 31 for outputting the heat exchanger 7 that has completed tube expanding processing; any of the above heat exchanger handling devices, which can transport the heat exchanger 7 in the loading module 29 to the tube expander 30 and transport the heat exchanger 7 processed by the tube expander 30 to the unloading module 31.

[0053] The automatic device of the present invention can be used for automatic tube expanding of the heat exchanger 7, realizing automatic loading, automatic positioning, automatic tube expanding, and automatic unloading, completely getting rid of manual operation, with high automation degree and high working efficiency.

[0054] Preferably, the loading module 29 includes a first conveyor line 32 and a loading positioning assembly 33. The first conveyor line 32 is used for transporting the heat exchanger 7, and the loading positioning assembly 33 is used for positioning the heat exchanger 7 to enable the handling fixture 2 to accurately grasp it. During operation, manually or using the heat exchanger handling device of the embodiment of the present invention, the un-tube-expanded heat exchanger is put into the system through the loading module 29.

[0055] Preferably, the industrial robot needs to grasp materials at fixed spatial points in strict accordance with the established procedure. Therefore, the feeding module 29 needs to accurately position the heat exchanger. The feeding positioning assembly 33 includes a proximity switch 34, which is electrically connected to the controller of the first conveyor line 32. When the proximity switch 34 detects the heat exchanger 7, the first conveyor line 32 stops, and the heat exchanger 7 is parked at a preset position.

[0056] Preferably, after the heat exchanger 7 reaches the predetermined position, it needs to be lifted to a certain height to facilitate the handling jig 2 to insert the jig into the bottom of the heat exchanger. The feeding positioning assembly 33 further includes a lifter 35, which is used to lift the heat exchanger 7 parked at the preset position to the predetermined height, so that the handling device can successfully grasp the heat exchanger 7, and / or, the feeding positioning assembly 33 includes a lateral positioning assembly 5, and the lateral positioning assembly 5 is arranged on both sides of the first conveyor line 32, and the lateral positioning assembly 5 is used to laterally position the heat exchanger 7 parked at the preset position.

[0057] Preferably, when the tube expanding machine 30 performs the tube expanding process, the heat exchanger 7 needs to be accurately fixed on the tube expanding machine 30. Therefore, the tube expanding machine 30 is provided with a tube expanding jig 36, and the tube expanding jig 36 is used to fix the heat exchanger 7 on the tube expanding machine 30.

[0058] Preferably, to cooperate with automation, the tube expanding jig 36 needs to have the ability of automatic clamping. The tube expanding jig 36 includes a supporting member 37, a positioning plate 38, and a linkage clamping plate 39. The supporting member 37 is used to support the bottom of the heat exchanger 7. The linkage clamping plate 39 is arranged on the positioning plate 38. The positioning plate 38 releases the plate surface of the heat exchanger 7 to position the heat exchanger 7, and the linkage clamping plate 39 is used to clamp the heat exchanger 7 from the side. The linkage clamping plate 39 includes a first clamping plate 40, a second clamping plate 41, and a linkage mechanism 42. The linkage mechanism 42 includes a driving member 43 and a double-headed rocker assembly 44. The first clamping plate 40 and the second clamping plate 41 are respectively connected to both ends of the double-headed rocker assembly 44, and the first clamping plate 40 and the second clamping plate 41 approach or move away from each other under the drive of the linkage structure.

[0059] Preferably, to improve work efficiency and make full use of the waiting time of the tube expanding machine 30 during the tube expanding work, the tube expanding machine 30 is provided with a rotary table 45, and at least two tube expanding jigs 36 are installed on the rotary table 45. While one tube expanding jig 36 is expanding the tubes of the fixed heat exchanger 7, other tube expanding jigs 36 can perform feeding or discharging.

[0060] Preferably, the discharging module 31 includes a second conveyor line 6, and the second conveyor line 6 is a roller conveyor line, and / or, the first conveyor line 32 is a belt conveyor line.

[0061] The automatic device provided by the embodiment of the present invention drives a lead screw assembly through a motor, and adjusts the position of the component according to the PLC control to achieve the free setting of the fixture width, so as to realize the clamping of condensers with different widths. The clamping component uses a single driving cylinder to act on a parallel pressing mechanism, and the action of one cylinder drives the first clamping piece and the second clamping piece to move, which can quickly clamp the condenser, and the design of the rotatable structure of the second clamping piece can effectively prevent the problem of the condenser falling during the clamping of the condenser. The tube expanding fixture also adopts a single driving link positioning mechanism, and the action of one cylinder drives two clamping plates to move towards each other, improving the positioning stability compared with the traditional method of using two left and right cylinders to push the push bar.

[0062] It is easy for those skilled in the art to understand that, on the premise of no conflict, the above-mentioned advantageous methods can be freely combined and superimposed.

[0063] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention. The above is only the preferred implementation manner of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A heat exchanger handling device, characterized in that, Comprising: An industrial robot (1) and a handling fixture (2), wherein the handling fixture (2) is installed on the industrial robot (1); The handling fixture (2) includes a position adjustment component (3) and a clamping component (4). The clamping component (4) is connected to the position adjustment component (3) and its position is adjusted by the position adjustment component (3). The clamping component (4) is used for clamping a heat exchanger (7); The clamping component (4) can clamp the heat exchanger (7) in a first direction and a second direction. The first direction is along the plate surface direction of the heat exchanger (7), and the second direction is perpendicular to the plate surface direction of the heat exchanger (7); The clamping component (4) includes a first support plate (14) arranged in the second direction. A first clamping member (15) capable of moving in the second direction is provided on the first support plate (14). A second clamping member (16) is provided at the bottom end of the first support plate (14) in the second direction. The first clamping member (15) and the second clamping member (16) are opposite in position and respectively clamp two opposite plate surfaces of the heat exchanger (7); The first support plate (14) includes a first side surface (17) facing the heat exchanger (7) and a second side surface (18) facing away from the heat exchanger (7). The second clamping member (16) further includes a flat plate (19) and a flap (20). The flat plate (19) is vertically connected to the flap (20) and extends to the side where the first side surface (17) is located. The flap (20) drives the flat plate (19) to flip towards the second side surface (18) to contact the plate surface of the heat exchanger (7); The flap (20) includes a first folding edge (21) facing the side where the second side surface (18) is located. A chute (22) is provided on the first folding edge (21). A sliding pin (23) is provided in the chute (22). The sliding pin (23) is connected to the first clamping member (15) through a connecting rod (24). The folding angle of the flap (20) is hinged to the bottom second side surface (18) of the first support plate (14) through a hinge portion (25). When the first clamping member (15) moves in the second direction, the first folding edge (21) is pulled through the connecting rod (24), the sliding pin (23), and the chute (22), and the flap (20) rotates around the hinge portion (25) towards the moving direction of the first clamping member (15).

2. The heat exchanger handling device according to claim 1, wherein The handling fixture (2) further includes a robot connection portion (8) and a support portion (9). The position adjustment component (3) and the clamping component (4) are installed on the support portion (9). The support portion (9) is connected to the end of the industrial robot (1) through the robot connection portion (8); And / or The transport fixture (2) further comprises an anti-tilt assembly (26), wherein the anti-tilt assembly (26) is capable of supporting the heat exchanger (7) to prevent the heat exchanger (7) from tilting, wherein the anti-tilt assembly (26) comprises an anti-tilt cylinder (27), wherein the anti-tilt cylinder (27) is connected to the bracket portion (9), and a flexible head member (28) is installed at the end of a push rod of the anti-tilt cylinder (27), wherein the flexible head member (28) is capable of supporting the heat exchanger (7) to prevent the heat exchanger (7) from tilting.

3. The heat exchanger handling device according to claim 2, wherein, The position adjustment assembly (3) comprises a lead screw assembly (10) and two groups of movable carrier plates (11), wherein the lead screw assembly (10) is capable of driving the two groups of movable carrier plates (11) to move closer to or farther from each other along a first direction; The movable carrier (11) is provided with a first cylinder (12) which is telescopic in a first direction, the clamping assembly (4) is connected to the first cylinder (12), and the first cylinder (12) can drive the clamping assembly (4) to move in the first direction, and the movable carrier (11) is also provided with a first guide rail (13) which extends in the first direction, the clamping assembly (4) is slidably connected to the first guide rail (13), and the clamping assembly (4) can slide along the first guide rail (13).

4. An automatic device for the tube expanding process of a heat exchanger, characterized in that, include: A loading module (29), the loading module (29) being used to load the heat exchanger (7) that has not been expanded; A tube expander (30), the tube expander (30) being used for tube expansion processing of a heat exchanger (7); A material discharge module (31), the material discharge module (31) being used to discharge the heat exchanger (7) after the tube expansion process is completed; The heat exchanger transport device according to any one of claims 1 to 3 is capable of transporting the heat exchanger (7) in the loading module (29) to the tube expander (30), and transporting the heat exchanger (7) processed by the tube expander (30) to the unloading module (31).

5. The automatic device for the tube expanding process of a heat exchanger according to claim 4, characterized in that, The loading module (29) comprises a first conveyor line (32) and a loading positioning assembly (33), wherein the first conveyor line (32) is used for transporting the heat exchanger (7), and the loading positioning assembly (33) is used for positioning the heat exchanger (7) so that the transport fixture (2) can accurately grasp the heat exchanger (7); The loading positioning assembly (33) comprises a proximity switch (34), wherein the proximity switch (34) is electrically connected to a controller of the first conveying line (32), and when the proximity switch (34) detects the heat exchanger (7), the first conveying line (32) stops and the heat exchanger (7) stops at a preset position.

6. The automatic device for the tube expanding process of a heat exchanger according to claim 5, characterized in that, The loading and positioning assembly (33) further comprises a lifter (35), the lifter (35) being used to lift the heat exchanger (7) parked at a preset position to a predetermined height so that the handling device can successfully grab the heat exchanger (7), and / or the loading and positioning assembly (33) comprises a lateral positioning assembly (5), the lateral positioning assembly (5) being arranged on both sides of the first conveyor line (32), the lateral positioning assembly (5) being used to laterally position the heat exchanger (7) parked at the preset position.

7. The automatic device for the tube expanding process of a heat exchanger according to any one of claims 4-6, characterized in that, The tube expanding machine (30) is provided with a tube expanding fixture (36) which is used for fixing the heat exchanger (7) on the tube expanding machine (30). The tube expanding fixture (36) includes a material supporting member (37), a positioning plate (38) and a linkage clamping plate (39). The material supporting member (37) is used for supporting the bottom of the heat exchanger (7). The linkage clamping plate (39) is arranged on the positioning plate (38). The positioning plate (38) positions the heat exchanger (7) by releasing the plate surface of the heat exchanger (7), and the linkage clamping plate (39) is used for clamping the heat exchanger (7) from the side.

8. The automatic device for the tube expanding process of a heat exchanger according to claim 7, characterized in that, The linkage clamping plate (39) includes a first clamping plate (40), a second clamping plate (41) and a linkage mechanism (42). The linkage mechanism (42) includes a driving member (43) and a double-headed rocker assembly (44). The first clamping plate (40) and the second clamping plate (41) are respectively connected to two ends of the double-headed rocker assembly (44). The first clamping plate (40) and the second clamping plate (41) approach or move away from each other under the drive of the linkage mechanism (42). And / or The tube expanding machine (30) is provided with a rotary table (45). At least two tube expanding fixtures (36) are installed on the rotary table (45). While the heat exchanger (7) fixed by one of the tube expanding fixtures (36) is being tube expanded, the other tube expanding fixtures (36) can perform loading or unloading.

Images