Heat exchanger bending equipment

Abstract

The invention discloses bending equipment for a heat exchanger. The bending equipment comprises a machine base, a carrying table mechanism and a bending mechanism. When the heat exchanger bending equipment works, a flat-plate-shaped heat exchanger is horizontally placed on the workpiece carrying table initially, and when a G-shaped heat exchanger is produced, the two bending mechanisms bend the front section and the rear section of the heat exchanger correspondingly, so that the front section and the rear section of the heat exchanger are bent to extend upwards correspondingly; the middle section of the heat exchanger is horizontally placed on the workpiece carrying table, the workpiece carrying table or a certain bending mechanism ascends and descends, secondary bending is conducted on the middle area of the front section or the rear section of the heat exchanger through the bending mechanism, so that the G-shaped heat exchanger is manufactured, and at the moment, the heat exchanger is provided with four straight plate sections which are sequentially connected in a bent mode. The second straight plate section is attached to the workpiece carrying table, the first straight plate section, the third straight plate section and the fourth straight plate section are suspended above the workpiece carrying table, the gravity center of the heat exchanger is relatively middle and low, and at the moment, the heat exchanger is relatively stable under the gravity effect, and the risk of toppling deformation is not likely to happen.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of heat exchanger bending, in particular to a heat exchanger bending equipment. BACKGROUND

[0002] After being assembled, a large heat exchanger is in a flat shape, and needs to be bent by a bending equipment to adapt to the shape of the inner cavity of an air conditioner. Generally, the heat exchanger can be bent once to be in an L-shaped plate, bent twice to be approximately in a U-shaped plate, or bent three times to be approximately in a G-shaped plate. Some existing heat exchanger bending equipment includes a base, a workpiece loading platform, a bending mechanism and a material moving mechanism. The heat exchanger can be placed on the workpiece loading platform, and the bending mechanism can bend the heat exchanger. When producing a G-shaped heat exchanger, the material moving mechanism moves the heat exchanger multiple times so that three different positions of the heat exchanger can be sequentially bent. Figure 1 After being bent for the third time by such a bending equipment, the heat exchanger has four straight plate segments that are sequentially and perpendicularly connected. Generally, the first straight plate segment is placed on the workpiece loading platform, and the other three straight plate segments are suspended above the workpiece loading platform, so that the heat exchanger may be deformed by falling under the action of gravity, affecting the production safety and quality stability of the heat exchanger. SUMMARY

[0003] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides a heat exchanger bending equipment which can reduce the risk of deformation of the heat exchanger by falling under the action of gravity.

[0004] The heat exchanger bending equipment according to the embodiments of the present application comprises a base, a loading platform mechanism and a bending mechanism. The loading platform mechanism is arranged on the base, and comprises a workpiece loading platform arranged in a horizontal direction, and the upper side of the workpiece loading platform has a heat exchanger supporting surface. The bending mechanism is arranged on the base, and comprises two bending mechanisms arranged in a front-rear direction and spaced apart. A heat exchanger placement position is formed between the two bending mechanisms. The workpiece loading platform and / or at least one of the bending mechanisms are arranged to be liftable.

[0005] The heat exchanger bending device has at least the following beneficial effects: when the heat exchanger bending device is in operation, the flat heat exchanger is initially horizontally placed on the workpiece loading platform; when a G-shaped heat exchanger is produced, the two bending mechanisms bend the front section and the rear section of the heat exchanger respectively, so that the front section and the rear section of the heat exchanger are bent to extend upwards respectively, while the middle section of the heat exchanger is horizontally placed on the workpiece loading platform; the workpiece loading platform or a certain bending mechanism moves up and down, and the middle region of the front section or the rear section of the heat exchanger is bent again by the bending mechanism to produce the G-shaped heat exchanger; at this time, the heat exchanger has four straight plate sections connected in sequence, the second straight plate section is attached to the workpiece loading platform, and the first, third and fourth straight plate sections are suspended above the workpiece loading platform; the center of gravity of the heat exchanger is relatively centered and low; at this time, the heat exchanger is relatively stable under the action of gravity and is not prone to tilting and deforming.

[0006] According to some embodiments of the present application, the bending mechanism comprises a first bending mechanism, the first bending mechanism comprises a first bending roller, a bending clamping assembly and a first bending driver, the first bending roller is arranged along the left-right direction and rotates on the base, the bending clamping assembly is arranged outside the first bending roller and rotates synchronously with the first bending roller, the bending clamping assembly can clamp or release the heat exchanger, and the outer periphery of the first bending roller forms a first bending support surface.

[0007] According to some embodiments of the present application, the bending clamping assembly comprises a fixed plate, a movable plate and a first clamping driver, one end of the fixed plate is connected to the outside of the first bending roller, the fixed plate is tangent to the outer periphery of the first bending roller, the movable plate is slidingly arranged on the fixed plate in a direction perpendicular to the fixed plate, and the first clamping driver is used to drive the movable plate to move close to or away from the fixed plate.

[0008] According to some embodiments of the present application, the bending mechanism comprises a second bending mechanism, the second bending mechanism comprises a second bending roller, a bending push rack assembly and a second bending driver, the second bending roller is arranged along the left-right direction and fixedly installed on the base, the outer periphery of the second bending roller forms a second bending support surface, the bending push rack assembly is rotatably arranged on the base around the second bending roller, the bending push rack assembly is provided with a driving plate, the driving plate is parallel to the tangent direction of the second bending roller, a heat exchanger passing position is formed between the driving plate and the second bending roller, and the second bending driver is used to drive the bending push rack assembly to rotate.

[0009] According to some embodiments of the present application, the bending pusher assembly further comprises a first pusher connecting frame, a second pusher connecting frame, a first pusher driver and a second pusher driver, the first pusher connecting frame is rotationally connected to the machine base around the second bending roller, the second pusher connecting frame is slidingly arranged on the first pusher connecting frame along the radial direction of the second bending roller, the first pusher driver is arranged between the first pusher connecting frame and the second pusher connecting frame and is used to drive the second pusher connecting frame to slide, the driving plate is slidingly arranged on the second pusher connecting frame along the direction perpendicular to the driving plate, and the second pusher driver is arranged between the second pusher connecting frame and the driving plate and is used to drive the driving plate to slide.

[0010] According to some embodiments of the present application, a profiling mechanism is further included, which is arranged on the machine base, and comprises a profiling frame and a profiling driver, the profiling frame is movably arranged on the machine base along the front-rear direction, one end of the profiling frame is provided with a workpiece profiling surface along the horizontal direction, and the workpiece profiling surface is perpendicular to the front-rear direction, and the profiling driver is used to drive the profiling frame to move.

[0011] According to some embodiments of the present application, the carrier mechanism further comprises a workpiece fixing assembly, which is arranged on the workpiece carrier and is used to fix or release the heat exchanger on the workpiece carrier, and the workpiece fixing assembly moves synchronously with the workpiece carrier.

[0012] According to some embodiments of the present application, the workpiece fixing assembly comprises a mounting frame, a carrier pressing plate and a carrier pressing driver, the mounting frame is fixedly arranged on the workpiece carrier, the carrier pressing plate is liftably arranged on the mounting frame and can approach or move away from the workpiece carrier, the carrier pressing plate is located above the workpiece carrier, and the carrier pressing driver is arranged between the mounting frame and the carrier pressing plate and is used to drive the carrier pressing plate to lift.

[0013] According to some embodiments of the present application, the workpiece carrier is movably arranged on the machine base along the front-rear direction, and the carrier mechanism further comprises a carrier front-rear driver, which is used to drive the workpiece carrier to move forward and backward.

[0014] According to some embodiments of the present application, the carrier mechanism further comprises a carrier lifting driver and a carrier connecting frame, the carrier connecting frame is liftably connected to the machine base, the carrier lifting driver is arranged between the machine base and the carrier connecting frame and is used to drive the carrier connecting frame to lift, and the workpiece carrier is slidingly connected to the carrier connecting frame along the front-rear direction, and the carrier front-rear driver is arranged between the carrier connecting frame and the workpiece carrier and is used to drive the workpiece carrier to move forward and backward.

[0015] Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will become apparent to those skilled in the art upon examination of the following and the attendant drawings or can be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the accompanying drawings.

[0017] Figure 1 A schematic view of a workpiece carrier for bending a heat exchanger into a G-shaped heat exchanger;

[0018] Figure 2 A schematic view of a workpiece carrier for bending a heat exchanger into a G-shaped heat exchanger according to an embodiment of the present application;

[0019] Figure 3 A schematic view of a bending device for a heat exchanger according to an embodiment of the present application;

[0020] Figure 4 A schematic view of a bending device for a heat exchanger according to an embodiment of the present application;

[0021] Figure 5 A schematic view of a bending device for a heat exchanger according to an embodiment of the present application;

[0022] Figure 6 A schematic view of a loading mechanism according to an embodiment of the present application;

[0023] Figure 7 A schematic view of a material moving mechanism according to an embodiment of the present application.

[0024] Reference Signs:

[0025] A machine base 100;

[0026] A carrier mechanism 200, a workpiece carrier 210, a carrier lifting driver 220, a workpiece fixing assembly 230, a mounting frame 231, a carrier pressing plate 232, a carrier pressing driver 233, a carrier front and rear driver 240, a carrier connecting frame 250;

[0027] A first bending mechanism 300, a first bending roller 310, a bending clamping assembly 320, a fixed plate 321, a movable plate 322, a first clamping driver 323, a first bending driver 330;

[0028] A second bending mechanism 400, a second bending roller 410, a bending pushing frame assembly 420, a driving plate 421, a first pushing frame connecting frame 422, a second pushing frame connecting frame 423, a first pushing frame driver 424, a second pushing frame driver 425, a second bending driver 430;

[0029] Profiling mechanism 500, Profiling frame 510, Workpiece profiling surface 511, Feeding support surface 512, Profiling driver 520;

[0030] Feeding mechanism 600, Feeding table 610, Feeding push frame 620;

[0031] Material moving mechanism 700, Base frame 710, Workpiece grabber 720, Grabbing seat 721, Claw body 722, Supporting plate part 7221, Grabbing driver 723, Moving driving assembly 730;

[0032] Heat exchanger 800, Straight plate segment 810. DETAILED DESCRIPTION

[0033] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, for the purpose of explaining the present application, and should not be understood as a limitation of the present application.

[0034] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, etc. is based on the orientation or position relationship shown in the drawings, which is only for the purpose of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0035] In the description of the present application, the plural refers to two or more. If there is a description of first, second, etc., it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the sequence relationship of the technical features indicated.

[0036] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0037] Reference Figures 3 to 7 The heat exchanger bending equipment of the embodiment of the present application comprises a base 100, a carrier mechanism 200 and a bending mechanism. The carrier mechanism 200 is arranged on the base 100, and the carrier mechanism 200 comprises a workpiece carrier 210 arranged in a horizontal direction, and the upper side of the workpiece carrier 210 has a heat exchanger support surface; the bending mechanism is arranged on the base 100, and the bending mechanism is arranged in two and spaced apart in the front-back direction, forming a heat exchanger placement position between the two bending mechanisms; wherein the workpiece carrier 210 can be arranged in a lifting manner.

[0038] When the heat exchanger bending device works, the flat heat exchanger is initially placed horizontally on the workpiece table 210. When a G-shaped heat exchanger is produced, the two bending mechanisms bend the front and rear sections of the heat exchanger, respectively, so that the front and rear sections of the heat exchanger are bent to extend upward, while the middle section of the heat exchanger remains horizontally placed on the workpiece table 210. The workpiece table 210 moves up and down and bends the middle region of the front or rear section of the heat exchanger through the bending mechanism to produce a G-shaped heat exchanger. At this time, the heat exchanger has four straight plate sections connected in sequence, and the second straight plate section is attached to the workpiece table 210, while the first, third, and fourth straight plate sections are suspended above the workpiece table 210. The center of gravity of the heat exchanger is relatively centered and low, and the heat exchanger is relatively stable under the action of gravity and is not prone to risk of deformation. At this time, the heat exchanger is placed on the workpiece table 210 with reference to the following figure. Figure 2 .

[0039] It should be understood that when producing an L-shaped heat exchanger, one of the bending mechanisms can be bent once; when producing a U-shaped heat exchanger, the two bending mechanisms can be bent once, respectively.

[0040] It can be imagined that in other embodiments, a G-shaped heat exchanger can also be made by bending the heat exchanger twice by one of the bending mechanisms and once by the other bending mechanism.

[0041] It can be imagined that in other embodiments, the heat exchanger can also be bent a third time by lifting one of the bending mechanisms.

[0042] Specifically, among the two bending mechanisms of the present embodiment, the bending mechanism located in the front adopts the first bending mechanism 300, and the bending mechanism located in the rear adopts the second bending mechanism 400. It can be understood that in other embodiments, each bending mechanism can also be arbitrarily selected as the first bending mechanism 300 or the second bending mechanism 400.

[0043] In the embodiment, with reference to Figure 4 and Figure 5 , the bending mechanism includes the first bending mechanism 300, which includes a first bending roller 310, a bending clamping assembly 320, and a first bending driver 330. The first bending roller 310 is arranged along the left-right direction and rotates on the machine base 100. The bending clamping assembly 320 is arranged outside the first bending roller 310 and rotates synchronously with the first bending roller 310. The bending clamping assembly 320 can clamp or release the heat exchanger. The outer periphery of the first bending roller 310 forms a first bending support surface.

[0044] When the first bending mechanism 300 works, the front section of the heat exchanger passes through the bending clamping assembly 320, and the front section of the heat exchanger is clamped and fixed by the bending clamping assembly 320. At this time, the first bending driver 330 drives the first bending roller 310 and the bending clamping assembly 320 to rotate, and the heat exchanger is bent around the first bending roller 310 by being pulled by the first bending roller 310 which is in abutment with the first bending support surface of the first bending roller 310. The first bending mechanism 300 has good bending effect.

[0045] Specifically, the first bending driver 330 can adopt a structure such as a reduction motor or a rotary oil cylinder to output rotary power.

[0046] In the embodiments, referring to Figure 4 and Figure 5 , the bending clamping assembly 320 includes a fixed plate 321, a movable plate 322, and a first clamping driver 323. One end of the fixed plate 321 is connected to the outside of the first bending roller 310, and the fixed plate 321 is tangent to the outer periphery of the first bending roller 310. The movable plate 322 is slidingly arranged on the fixed plate 321 in a direction perpendicular to the fixed plate 321. The first clamping driver 323 is used to drive the movable plate 322 to move close to or away from the fixed plate 321.

[0047] Initially, the fixed plate 321 and the movable plate 322 are arranged in a horizontal direction and arranged in an up-down manner. When the movable plate 322 moves close to the fixed plate 321 and clamps the heat exchanger, the heat exchanger can be directly abutted to the outer peripheral surface of the first bending roller 310, which facilitates the heat exchanger to be bent and deformed around the first bending support surface of the outer periphery of the first bending roller 310 to form a bending round corner. The bending effect is good, and the fins of the heat exchanger are not easy to be deformed. After the bending is completed, the bending clamping assembly 320 can release the heat exchanger. At this time, the fixed plate 321 and the movable plate 322 are vertically arranged and arranged in a left-right manner. When the workpiece table 210 is lowered, the front section of the heat exchanger can be driven to move away from the bending clamping assembly 320.

[0048] Specifically, the movable plate 322 can be slidingly connected with the fixed plate 321 through a guide column and guide sleeve structure or a sliding rail and sliding block structure, and the first clamping driver 323 can adopt, for example, a motor and screw structure or an oil cylinder.

[0049] Specifically, the first bending roller 310 needs to rotate when participating in the bending, that is, when the bending mechanism bends, the heat exchanger will move forward slightly to maintain the relative position with the first bending roller 310.

[0050] In the embodiments, referring to Figure 4 and Figure 5The bending mechanism comprises a second bending mechanism 400, the second bending mechanism 400 comprising a second bending roller 410, a bending pusher assembly 420 and a second bending driver 430, the second bending roller 410 being arranged along the left-right direction and fixedly installed on the base 100, an outer periphery of the second bending roller 410 forming a second bending support surface, the bending pusher assembly 420 being rotatably arranged on the base 100 about the second bending roller 410, the bending pusher assembly 420 being provided with a driving plate 421, the driving plate 421 being parallel to a tangent direction of the second bending roller 410, a heat exchanger passing position being formed between the driving plate 421 and the second bending roller 410, and the second bending driver 430 being configured to drive the bending pusher assembly 420 to rotate.

[0051] The rear section of the heat exchanger passes through the heat exchanger passing position, i.e., the rear section of the heat exchanger is located between the second bending roller 410 and the driving plate 421. When the bending mechanism is bent, the second bending driver 430 drives the bending pusher assembly 420 to rotate, and the bending pusher assembly 420 supports the heat exchanger on the side away from the second bending roller 410 through the driving plate 421, so that the heat exchanger can be attached to the second bending support surface of the outer periphery of the second bending roller 410 and bent about the outer periphery of the second bending roller 410, thereby completing the bending of the rear section of the heat exchanger, and the bending effect is good.

[0052] Specifically, the second bending driver 430 can adopt a structure of a reduction motor or a rotary oil cylinder outputting rotating power.

[0053] In the embodiment, with reference to Figure 4 and Figure 5 , the bending pusher assembly 420 further comprises a first pusher connecting frame 422, a second pusher connecting frame 423, a first pusher driver 424 and a second pusher driver 425, the first pusher connecting frame 422 being rotatably connected to the base 100 about the second bending roller 410, the second pusher connecting frame 423 being slidably arranged on the first pusher connecting frame 422 along a radial direction of the second bending roller 410, the first pusher driver 424 being arranged between the first pusher connecting frame 422 and the second pusher connecting frame 423 and configured to drive the second pusher connecting frame 423 to slide, the driving plate 421 being slidably arranged on the second pusher connecting frame 423 along a direction perpendicular to the driving plate 421, and the second pusher driver 425 being arranged between the second pusher connecting frame 423 and the driving plate 421 and configured to drive the driving plate 421 to slide.

[0054] In the initial state, the heat exchanger is located between the second bending roller 410 and the driving plate 421, and the driving plate 421 is in the horizontal direction. When the second bending mechanism 400 performs the first bending, the second pusher driving device 425 drives the driving plate 421 to move upward, so that the driving plate 421 abuts against the side of the heat exchanger away from the second bending roller 410, and the heat exchanger abuts against the second bending support surface on the outer periphery of the second bending roller 410, and the second bending driving device 430 can drive the bending pusher assembly 420 to rotate, that is, the driving plate 421 rotates and pushes the heat exchanger to bend around the outer periphery of the second bending roller 410.

[0055] Specifically, since the second bending roller 410 is fixed, the heat exchanger needs to be kept fixed relative to the second bending roller 410. During the bending process, the second pusher connecting frame 423 and the driving plate 421 are driven by the first pusher driving device 424 to slide along the radial direction of the second bending roller 410 and approach the second bending roller 410, so that the driving plate 421 can also be fixed relative to the heat exchanger during the bending process, avoiding the risk of the fins of the heat exchanger being flattened due to the sliding of the driving plate 421 relative to the heat exchanger, and the bending effect is better. At this time, the heat exchanger does not move forward and backward.

[0056] After the second bending mechanism 400 completes the first bending, the driving plate 421 is arranged in the vertical direction. At this time, the second pusher driving device 425 drives the driving plate 421 to move backward away from the heat exchanger. Then, the workpiece platform 210 drives the heat exchanger to descend, so that the rear section of the heat exchanger can adjust the position relative to the second bending mechanism 400. After descending to a predetermined height, the driving plate 421 is repositioned to the front to abut against the middle region of the rear section of the heat exchanger, and the heat exchanger is bent again to form a G-shaped heat exchanger. At this time, the driving plate 421 is arranged forward.

[0057] Specifically, the second pusher connecting frame 423 can be slidably connected to the first pusher connecting frame 422 by, for example, a sliding rail and a sliding block structure or a guide column and a guide sleeve structure, the driving plate 421 can be slidably connected to the second pusher connecting frame 423 by, for example, a sliding rail and a sliding block structure or a guide column and a guide sleeve structure, and the first pusher driving device 424 can be a pneumatic cylinder, an electric cylinder or an oil cylinder, and the second pusher driving device 425 can be a motor with a lead screw structure or an oil cylinder.

[0058] In the embodiments, with reference to Figure 4 and Figure 5 The die mechanism 500 is arranged on the machine base 100, and the die mechanism 500 includes a die frame 510 and a die driving device 520. The die frame 510 is movably arranged on the machine base 100 in the front-rear direction, and one end of the die frame 510 in the horizontal direction is provided with a workpiece die surface 511 perpendicular to the front-rear direction. The die driving device 520 is used to drive the die frame 510 to move.

[0059] Specifically, the profile mechanism 500 is located at the rear side of the bending mechanism. After the second bending mechanism 400 performs a first bending, the lower part of the rear section of the heat exchanger extends vertically. The profile driver 520 drives the profile frame 510 to move forward, and the workpiece profile surface 511 abuts against the lower part of the rear section of the heat exchanger. Then, the bending mechanism can perform a second bending in the middle region of the rear section of the heat exchanger. At this time, the profile can abut against and inhibit the deformation of the lower part of the rear section of the heat exchanger, so that the second bending effect of the second bending mechanism 400 is better. Specifically, the workpiece profile surface 511 is located at the front side of the profile frame 510.

[0060] Specifically, the profile frame 510 can be movably connected to the machine base 100 through a slide rail sliding block or a guide column guide sleeve structure, and the profile driver 520 can adopt, for example, a motor cooperating with a lead screw structure or a motor cooperating with a gear rack structure.

[0061] In the embodiments, referring to Figure 4 and Figure 5 , the workpiece fixing assembly 230 is arranged on the workpiece carrier 210 and is used for fixing or loosening the heat exchanger on the workpiece carrier 210. The workpiece fixing assembly 230 moves synchronously with the workpiece carrier 210. The workpiece fixing assembly 230 is arranged to fix the heat exchanger in the range of the workpiece carrier 210 when the heat exchanger is placed flat on the workpiece carrier 210. This facilitates the heat exchanger to be kept fixed relative to the workpiece carrier 210 and facilitates the workpiece carrier 210 to move with the heat exchanger.

[0062] In the embodiments, referring to Figure 4 and Figure 5 , the workpiece fixing assembly 230 includes a mounting frame 231, a carrier pressing plate 232, and a carrier pressing driver 233. The mounting frame 231 is fixedly arranged on the workpiece carrier 210. The carrier pressing plate 232 is arranged to be liftable on the mounting frame 231 and can be close to or away from the workpiece carrier 210. The carrier pressing plate 232 is located above the workpiece carrier 210. The carrier pressing driver 233 is arranged between the mounting frame 231 and the carrier pressing plate 232 and is used for driving the carrier pressing plate 232 to lift. The workpiece fixing assembly 230 described above drives the carrier pressing plate 232 to press down through the carrier pressing driver 233, and cooperates with the workpiece carrier 210 to clamp the heat exchanger. The structure is simple and easy to implement.

[0063] Specifically, the carrier pressing driver 233 can be, for example, a pneumatic cylinder, an electric cylinder, or an oil cylinder. The carrier pressing plate 232 can be liftable on the mounting frame 231 through a slide rail sliding block or a guide column guide sleeve structure. It can be imagined that in other embodiments, the workpiece fixing assembly 230 can also include a rotating pressing frame and a pressing frame driver. The rotating pressing frame is rotatably arranged on the workpiece carrier 210 and can be rotated to above the heat exchanger carrier to press the heat exchanger. The pressing frame driver drives the rotating pressing frame to rotate.

[0064] In embodiments, referring to Figure 4 and Figure 5 , the workpiece carrier 210 is movably arranged in the front-rear direction on the base 100, and the carrier mechanism 200 further comprises a carrier front-rear driver 240 configured to drive the workpiece carrier 210 to move forward and backward.

[0065] When the second bending mechanism 400 is completed, the driving plate 421 is driven to move away from the heat exchanger, at this time, the driving plate 421 is arranged in the horizontal direction, and then the workpiece carrier 210 can be moved backward to move the heat exchanger backward, so that the upper part of the rear section of the heat exchanger is moved away from the second bending mechanism 400, facilitating the discharge of the finished heat exchanger; the workpiece carrier 210 can move forward and backward, which is also convenient for adjusting the position of the workpiece carrier 210 relative to the heat exchanger, and the workpiece carrier 210 can cooperate with the workpiece fixing assembly 230 to drive the heat exchanger to adjust the position forward and backward.

[0066] In embodiments, referring to Figure 4 and Figure 5 , the carrier mechanism 200 further comprises a carrier lifting driver 220 and a carrier connecting frame 250, the carrier connecting frame 250 is connected to the base 100 in a lifting manner, the carrier lifting driver 220 is arranged between the base 100 and the carrier connecting frame 250 and is configured to drive the carrier connecting frame 250 to lift, and the workpiece carrier 210 is slidingly connected to the carrier connecting frame 250 in the front-rear direction, and the carrier front-rear driver 240 is arranged between the carrier connecting frame 250 and the workpiece carrier 210 and is configured to drive the workpiece carrier 210 to move forward and backward. The workpiece carrier 210 described above is indirectly arranged on the base 100 in a lifting and forward-rearward moving manner through the carrier connecting frame 250, which is simple in structure and easy to implement.

[0067] Specifically, the carrier connecting frame 250 can be slidingly connected to the base 100 in the vertical direction through a guide column and guide sleeve structure or a sliding rail and sliding block structure, etc., the carrier lifting driver 220 can adopt, for example, a motor cooperating with a lead screw structure or an oil cylinder, etc., the workpiece carrier 210 can be slidingly connected to the carrier connecting frame 250 in the front-rear direction through a guide column and guide sleeve structure or a sliding rail and sliding block structure, etc., and the carrier front-rear driver 240 can adopt, for example, a motor cooperating with a lead screw structure or a motor cooperating with a gear and rack structure, etc.

[0068] In embodiments, a discharge pushing frame and a discharge driver can be arranged on the workpiece carrier 210, the discharge pushing frame is slidingly arranged on the workpiece carrier 210 in the left-right direction, the discharge pushing frame is located on the upper side of the workpiece carrier 210, and the discharge driver is configured to drive the discharge pushing frame to move left and right to push the finished heat exchanger away from the workpiece carrier 210 and into the next process, facilitating continuous and automatic production. Specifically, the discharge driver can adopt, for example, an oil cylinder or a motor cooperating with a lead screw structure, etc.

[0069] In embodiments, referring to Figure 3 and Figure 6 Further comprising a feeding mechanism 600, the feeding mechanism 600 comprises a feeding table 610, a feeding pusher 620 and a feeding driver, the feeding pusher 620 is slidingly arranged on the feeding table 610 along the front-rear direction, the feeding pusher 620 is located on the upper side of the feeding table 610, and the feeding driver is used to drive the feeding pusher 620 to move forward and backward. During production, the heat exchanger can be placed on the feeding table 610 in advance. When the heat exchanger on the workpiece carrier 210 is pushed away, the feeding driver can drive the feeding pusher 620 to push the next heat exchanger forward to the workpiece carrier 210, facilitating continuous production.

[0070] Specifically, the feeding driver can adopt a structure such as an oil cylinder or a motor cooperating with a lead screw.

[0071] In embodiments, referring to Figure 3 and Figure 7 Further comprising a moving mechanism 700, the moving mechanism 700 comprises a base frame 710, a workpiece grabber 720 and a moving drive assembly 730, the workpiece grabber 720 is movably arranged on the base frame 710 and can move vertically and move left-right, and the moving drive assembly 730 is arranged between the base frame 710 and the workpiece grabber 720 and is used to drive the workpiece grabber 720 to move.

[0072] Specifically, the moving drive assembly 730 is a two-axis drive assembly, comprising a left-right moving driver, an up-down moving driver and a moving intermediate frame, the moving intermediate frame can be movably connected to the base frame 710 along the left-right direction through a sliding rail sliding block structure or a guide column guide sleeve structure, and the workpiece grabber 720 can be movably connected to the moving intermediate frame along the up-down direction through a guide column guide sleeve structure or a sliding rail sliding block structure. The left-right moving driver is arranged between the base frame 710 and the moving intermediate frame and is used to drive the moving intermediate frame to move left-right, and the up-down moving driver is arranged between the moving intermediate frame and the workpiece grabber 720 and is used to drive the workpiece grabber 720 to move up-down. The left-right moving driver can adopt a structure such as a motor cooperating with a lead screw or a motor cooperating with a gear rack; and the up-down moving driver can adopt a structure such as a motor cooperating with a lead screw or an oil cylinder.

[0073] Specifically, the workpiece gripper 720 comprises a gripper seat 721, two claw bodies 722 and a gripper driver 723. The two claw bodies 722 are slidingly connected to the gripper seat 721 in the horizontal direction and can approach or move away from each other. The two claw bodies 722 are oppositely arranged, and the gripper driver 723 is used to drive the claw bodies 722 to slide. The two claw bodies 722 are driven to approach each other by the gripper driver 723 to grip the heat exchanger. The structure is simple and easy to implement. Specifically, the gripper driver 723 can adopt, for example, a motor cooperating with a lead screw structure to simultaneously drive the two claw bodies 722 to approach or move away from each other synchronously, or can adopt two oil cylinders to respectively drive the two claw bodies 722 to move.

[0074] Specifically, the lower end of the claw body 722 is provided with a supporting plate part 7221 in the horizontal direction, and the supporting plate part 7221 of any claw body 722 extends towards the other claw body 722. By providing the supporting plate part 7221, when the claw body 722 grips the heat exchanger, the supporting plate part 7221 can support the lower edge of the heat exchanger, and the effect of gripping the heat exchanger is more stable.

[0075] Specifically, the jig frame 510 is located between the workpiece loading platform 210 and the feeding platform 610, and the upper side of the jig frame 510 is provided with a feeding supporting surface 512. When the heat exchanger moves forward from the feeding platform 610, the heat exchanger is first supported by the feeding supporting surface 512 and then enters the workpiece loading platform 210, thereby avoiding the risk of local area subsidence of the heat exchanger.

[0076] Specifically, the production working process of the heat exchanger bending equipment is as follows:

[0077] S1: The material moving mechanism 700 places the flat plate-shaped heat exchanger on the feeding platform 610 of the feeding mechanism, and then the heat exchanger is pushed forward, passes through the upper side of the jig frame 510 and enters the workpiece loading platform 210;

[0078] S2: The workpiece fixing assembly 230 adjusts the position of the heat exchanger in cooperation with the workpiece loading platform 210;

[0079] S3: The first bending mechanism 300 bends the front section of the heat exchanger for the first time, so that the front section of the heat exchanger is bent to extend upward;

[0080] S4: The second bending mechanism 400 bends the rear section of the heat exchanger for the second time, so that the rear section of the heat exchanger is also bent to extend upward;

[0081] S5: Then the workpiece loading platform 210 lowers the heat exchanger, so that the first bending mechanism 300 is separated from the heat exchanger, and the second bending mechanism 400 is aligned with the middle region of the rear section of the heat exchanger;

[0082] S6: The die frame 510 moves forward and abuts against the lower part of the rear section of the heat exchanger, avoiding deformation of the heat exchanger, and the second bending mechanism 400 performs a third bending on the middle region of the rear section of the heat exchanger, to obtain a G-shaped heat exchanger, refer to Figure 2 .

[0083] S7: The workpiece carrier 210 moves horizontally and vertically, so that the heat exchanger is separated from the second bending mechanism 400, and then the heat exchanger is pushed away from the workpiece carrier 210 by the blanking mechanism.

[0084] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0085] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A heat exchanger bending apparatus, characterized by, The utility model relates to a heat exchanger bending device, including: A base (100); A workpiece carrier (210) is arranged on the base (100), and the workpiece carrier (210) is arranged in a horizontal direction, and the upper side of the workpiece carrier (210) has a heat exchanger supporting surface; Two bending mechanisms are arranged on the base (100) and are arranged in a front-rear direction, and a heat exchanger placement position is formed between the two bending mechanisms. The workpiece carrier (210) or / and at least one of the bending mechanisms can be lifted.

2. The heat exchanger bending apparatus according to claim 1, characterized in that: The first bending mechanism (300) includes a first bending roller (310), a bending clamping assembly (320) and a first bending driver (330), the first bending roller (310) is arranged in a left-right direction and is rotatably arranged on the base (100), the bending clamping assembly (320) is arranged on the outer side of the first bending roller (310) and rotates synchronously with the first bending roller (310), the bending clamping assembly (320) can clamp or release the heat exchanger, and the outer periphery of the first bending roller (310) forms a first bending support surface.

3. The heat exchanger bending apparatus according to claim 2, characterized in that: The bending clamping assembly (320) includes a fixed plate (321), a movable plate (322) and a first clamping driver (323), one end of the fixed plate (321) is connected to the outer side of the first bending roller (310), the fixed plate (321) is tangent to the outer periphery of the first bending roller (310), the movable plate (322) is slidably arranged on the fixed plate (321) in a direction perpendicular to the fixed plate (321), and the first clamping driver (323) is used to drive the movable plate (322) to approach or move away from the fixed plate (321).

4. The heat exchanger bending apparatus of claim 1, wherein: The second bending mechanism (400) includes a second bending roller (410), a bending push rack assembly (420) and a second bending driver (430), the second bending roller (410) is arranged in a left-right direction and is fixedly installed on the base (100), the outer periphery of the second bending roller (410) forms a second bending support surface, the bending push rack assembly (420) is rotatably arranged on the base (100) around the second bending roller (410), the bending push rack assembly (420) is provided with a driving plate (421), the driving plate (421) is parallel to the tangent direction of the second bending roller (410), a heat exchanger passing position is formed between the driving plate (421) and the second bending roller (410), and the second bending driver (430) is used to drive the bending push rack assembly (420) to rotate.

5. The heat exchanger bending apparatus according to claim 4, characterized in that: The bending pusher assembly (420) further comprises a first pusher connecting frame (422), a second pusher connecting frame (423), a first pusher driver (424) and a second pusher driver (425), the first pusher connecting frame (422) is rotationally connected to the machine base (100) around the second bending roller (410), the second pusher connecting frame (423) is slidingly arranged on the first pusher connecting frame (422) along the radial direction of the second bending roller (410), the first pusher driver (424) is arranged between the first pusher connecting frame (422) and the second pusher connecting frame (423) and is used to drive the second pusher connecting frame (423) to slide, the driving plate (421) is slidingly arranged on the second pusher connecting frame (423) along the direction perpendicular to the driving plate (421), and the second pusher driver (425) is arranged between the second pusher connecting frame (423) and the driving plate (421) and is used to drive the driving plate (421) to slide.

6. The heat exchanger bending apparatus of claim 1, wherein: Further comprising a profiling mechanism (500), the profiling mechanism (500) is arranged on the machine base (100), the profiling mechanism (500) comprises a profiling frame (510) and a profiling driver (520), the profiling frame (510) is movably arranged on the machine base (100) along the front-back direction, one end of the profiling frame (510) is provided with a workpiece profiling surface (511) along the horizontal direction, the workpiece profiling surface (511) is perpendicular to the front-back direction, and the profiling driver (520) is used to drive the profiling frame (510) to move.

7. The heat exchanger bending apparatus of claim 1, wherein: The carrier mechanism (200) further comprises a workpiece fixing assembly (230), the workpiece fixing assembly (230) is arranged on the workpiece carrier (210) and is used to fix or release the heat exchanger on the workpiece carrier (210), and the workpiece fixing assembly (230) moves synchronously with the workpiece carrier (210).

8. The heat exchanger bending apparatus of claim 7, wherein: The workpiece fixing assembly (230) comprises a mounting frame (231), a carrier pressing plate (232) and a carrier pressing driver (233), the mounting frame (231) is fixedly arranged on the workpiece carrier (210), the carrier pressing plate (232) is liftably arranged on the mounting frame (231) and can approach or move away from the workpiece carrier (210), the carrier pressing plate (232) is above the workpiece carrier (210), and the carrier pressing driver (233) is arranged between the mounting frame (231) and the carrier pressing plate (232) and is used to drive the carrier pressing plate (232) to lift.

9. The heat exchanger bending apparatus of claim 1, wherein: The workpiece carrier (210) is movably arranged on the machine base (100) along the front-back direction, and the carrier mechanism (200) further comprises a carrier front-back driver (240), the carrier front-back driver (240) can drive the workpiece carrier (210) to move forward and backward.

10. The heat exchanger bending apparatus of claim 9, wherein: The carrier mechanism (200) further comprises a carrier lifting driver (220) and a carrier connecting frame (250) which is connected to the base (100) in a lifting manner, the carrier lifting driver (220) is arranged between the base (100) and the carrier connecting frame (250) and is used to drive the carrier connecting frame (250) to lift, the workpiece carrier (210) is slidingly connected to the carrier connecting frame (250) in a front-rear direction, and the carrier front-rear driver (240) is arranged between the carrier connecting frame (250) and the workpiece carrier (210) and is used to drive the workpiece carrier (210) to move front-rear.

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