Tube plate assembly scaling powder coating and assembling device

Abstract

The invention provides a tube plate assembly scaling powder coating and assembling device. The tube plate assembly scaling powder coating and assembling device comprises a first conveying unit, a tube plate coating unit, a second conveying unit, a third conveying unit, an assembling unit, a fourth conveying unit and an assembly coating unit. The first conveying unit is configured to convey a plurality of pairs of tube plates to the tube plate coating unit; the tube plate coating unit comprises a tube plate transferring unit, two tube plate grippers and a first coating tool; the second conveying unit is configured to convey the tube plate coated with the soldering flux to a first position of the assembling unit; the third conveying unit is configured to convey the plurality of internal scattering units to a second position of the assembling unit; the assembling unit obtains the assembled tube plate assembly; the fourth conveying unit is configured to convey the assembled tube plate assembly to the assembly coating unit; the assembly coating unit is configured to coat the two ends of the assembled tube plate assembly with scaling powder. By means of the device, automatic assembling of the tube plate assembly and coating of the scaling powder are achieved, and the assembling cost of products is greatly saved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile radiating tube plates, in particular to a tube plate assembly flux coating assembly device. Background Art

[0002] In the traditional brazing process, after the flux is applied between the welding workpieces and the welding workpieces are positioned, they are transported to the high-temperature welding chamber. In order to make the solder easy to apply and apply smoothly, the traditional solder viscosity is required to be less than 220mPa · s.

[0003] However, in actual welding scenarios, after the welding workpiece is coated with flux, it will undergo changes in posture, such as flipping, horizontal placement, and vertical placement. The traditional viscosity flux cannot effectively fix the relative position between the workpieces. Without adding additional processes, the viscosity of the flux needs to be increased to achieve this. The following describes a tube sheet assembly flux coating assembly device.

[0004] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present invention, and therefore may include information that does not constitute the prior art known to those skilled in the art. Summary of the invention

[0005] In view of the problems in the prior art, the purpose of the present invention is to provide a flux coating assembly device for a tube sheet assembly, which realizes automatic assembly and flux coating of the tube sheet assembly, greatly saving the assembly cost of the product.

[0006] The present invention provides a flux coating assembly device for a tube sheet assembly, the tube sheet assembly comprising a pair of tube sheets arranged opposite to each other and an inner dispersion unit between the tube sheets, the flux coating assembly device comprising a first conveying unit, a tube sheet coating unit, a second conveying unit, a third conveying unit, an assembling unit, a fourth conveying unit and an assembly coating unit;

[0007] The first conveying unit is configured to convey a plurality of pairs of the tube sheets to the tube sheet coating unit;

[0008] The tube sheet coating unit comprises a tube sheet transfer unit, two tube sheet grippers and a first coating tool. The tube sheet transfer unit transfers multiple pairs of tube sheets from the first conveying unit to one end of the line body and lifts the tube sheets to one of the tube sheet grippers. The first coating tool comprises a first flux storage unit, a first coating roller and a coating suction cup station. The tube sheet gripper moves the tube sheet at the tube sheet transfer unit to the coating suction cup station. The first coating roller is configured to take flux from the first flux storage unit and distribute it on the roller surface. The first coating roller is moved to coat the flux on the roller surface to the surface of the tube sheet on the coating suction cup station. Another tube sheet gripper conveys the tube sheet coated with flux to the second conveying unit.

[0009] The second conveying unit is configured to convey the tube sheet coated with solder flux to a first position of the assembling unit;

[0010] The third conveying unit is configured to convey the plurality of the inner loose units to the second position of the assembling unit;

[0011] The assembly unit comprises an inner bulk feeding unit, a flipping unit and a riveting unit. The inner bulk feeding unit is configured to move to a second position to absorb the inner bulk unit, then transfer the inner bulk unit to the first position and release the inner bulk unit to the tube sheet at the first position; the flipping unit is configured to flip a tube sheet at intervals and place it on an adjacent tube sheet; the riveting unit is configured to rivet two ends of the oppositely arranged tube sheets to obtain an assembled tube sheet assembly;

[0012] The fourth conveying unit is configured to transport the assembled tube sheet assembly to the assembly coating unit;

[0013] The component coating unit is configured to coat the two ends of the assembled tube sheet assembly with flux, and includes two groups of second flux liquid storage units and second coating rollers and two driving units. Each of the second coating rollers is configured to pick up flux from the second flux liquid storage unit and distribute it on the roller surface. The two groups of the second flux liquid storage units and the second coating rollers are relatively arranged on both sides of the fourth conveying unit. Each driving unit is connected to a second coating roller and drives it to reciprocate in a transmission direction perpendicular to the fourth conveying unit.

[0014] According to some examples of the present invention, the tube sheet transfer unit includes two fixed side plates, two movable side plates, a first clamping cylinder, a screw motor, two guide rails and a first lifting cylinder;

[0015] The two fixed side plates are arranged in parallel and a plurality of first positioning members are arranged on the inner side of the fixed side plates;

[0016] The two movable side plates are respectively arranged on the inner sides of the two fixed side plates, and a plurality of second positioning members are arranged on the inner sides of the movable side plates; the first clamping cylinder is connected to the movable side plates and controls the two movable side plates to reciprocate along the extending direction of the fixed side plates; when the movable side plates reciprocate relative to the fixed side plates, a first positioning member on the fixed side plates and a second positioning member on the movable side plates clamp or release the tube plates;

[0017] The screw of the screw motor is connected to the fixed side plates and drives the two fixed side plates to reciprocate along the extension direction of the guide rail;

[0018] The first lifting cylinder is connected to the fixed side plates and controls the lifting of the two fixed side plates.

[0019] According to some examples of the present invention, the tube sheet gripper includes a second lifting cylinder, a second clamping cylinder, a gear rack assembly, two cross columns, and two claws of a plurality of pairs of claws respectively arranged on the two cross columns;

[0020] The piston of the second clamping cylinder is connected to the gear of the rack and pinion assembly;

[0021] The two transverse columns are respectively connected to the gear and the rack of the gear and rack assembly, and the reciprocating motion of the piston of the second clamping cylinder drives the two claws of the plurality of pairs of claws to be in a clamping state or a loose state;

[0022] The second lifting cylinder is configured to control the overall lifting or lowering of the plurality of pairs of claws.

[0023] According to some examples of the present invention, the flux coating assembly device further includes an inner loose positioning unit disposed between the third conveying unit and the assembly unit, the inner loose positioning unit including a plurality of pairs of inner loose clamping side plates, a third clamping cylinder, a fork assembly, and a second driving unit;

[0024] The third clamping cylinder is connected to the inner loose clamping side plates and controls the distance between each pair of the inner loose clamping side plates;

[0025] The fork assembly is provided with a plurality of forks, and the forks are adapted to the positions of the inner loose units on the third conveying unit for conveying the inner loose units. The second driving unit is connected to the fork assembly and controls the fork assembly to shift the inner loose units to one end of the plurality of pairs of inner loose clamping side plates away from the third conveying unit.

[0026] According to some examples of the present invention, the inner bulk loading unit includes a servo module and a plurality of suction cups connected to the servo module, and the servo module is configured to be movable along a transmission direction of the inner bulk unit and perpendicular to a transmission plane of the inner bulk.

[0027] According to some examples of the present invention, the flux coating assembly device further includes a tube sheet stamping unit for stamping the tube sheet, and the stamped tube sheet is transmitted to the first conveying unit for transmission.

[0028] According to some examples of the present invention, the flux coating assembly device further includes an inner bulk stamping unit for stamping the inner bulk, and the stamped inner bulk is transmitted to the third conveying unit.

[0029] According to some examples of the present invention, the flux coating assembly device further includes a tube sheet drying unit, which is disposed on a transmission line of the first conveying unit.

[0030] According to some examples of the present invention, the solder flux coating assembly device further includes an internal drying unit, which is disposed on a transmission line of the third conveying unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Other features, objectives and advantages of the present invention will become more apparent from a reading of the detailed description of non-limiting embodiments made with reference to the following accompanying drawings.

[0032] Figure 1 It is a structural schematic diagram of the tube sheet of the present invention;

[0033] Figure 2 It is a schematic diagram of the structure of the tube sheet and the inner fan of the present invention;

[0034] Figure 3 It is a structural schematic diagram of a tube sheet assembly according to an embodiment of the present invention;

[0035] Figure 4 It is a structural schematic diagram of a tube sheet assembly flux coating assembly device according to an embodiment of the present invention;

[0036] Figure 5 It is a structural schematic diagram of a tube sheet coating unit according to an embodiment of the present invention;

[0037] Figure 6 It is a structural schematic diagram of a tube sheet transfer unit according to an embodiment of the present invention;

[0038] Figure 7 It is a structural schematic diagram of a tube sheet gripper according to an embodiment of the present invention;

[0039] Figure 8 It is a structural schematic diagram of an internal scattered positioning unit according to an embodiment of the present invention;

[0040] Fig. 9 It is a structural schematic diagram of an internal bulk feeding unit according to an embodiment of the present invention;

[0041] Fig.10 A schematic structural diagram of a flip unit according to an embodiment of the present invention;

[0042] Fig.11 is a structural schematic diagram of a riveting unit according to an embodiment of the present invention; and

[0043] Fig.12 It is a structural schematic diagram of a component coating unit according to an embodiment of the present invention. DETAILED DESCRIPTION

[0044] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein. Instead, these embodiments are provided so that the present invention will be comprehensive and complete and the concepts of the example embodiments will be fully conveyed to those skilled in the art. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention and are not to be construed as limitations of the present invention. The same reference numerals in the figures represent the same or similar structures, and thus their repeated description will be omitted.

[0045] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0046] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or can communicate with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] The disclosure below provides many different embodiments or examples to implement different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplicity and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides various specific examples of processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0048] The structure of the flux coating assembly device for a tube sheet assembly of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments. It can be understood that the various specific embodiments are not intended to limit the protection scope of the present invention.

[0049] The present invention provides a tube sheet assembly flux coating assembly device, Figures 1 to 3 The schematic diagrams of the structures of the tube sheet of the present invention, the tube sheet containing the inner loose and the assembled tube sheet assembly are respectively shown. Specifically, the tube sheet assembly includes a pair of tube sheets 91 and inner loose units 92 arranged oppositely. The tube sheet 91 includes a body 911, and the edge of the body 911 is curled 912 and a raised ridge 913 is arranged in the middle. When the two tube sheets 91 are relatively buckled, the curled edges 912 and the ridges 913 of the two tube sheets 91 make each tube sheet assembly have two cavities for accommodating the inner loose. The two inner looses (inner loose units) are placed in the cavities respectively and riveted by rivets 914 at both ends of the tube sheet to form the tube sheet assembly to be assembled in the present invention. Both ends of the tube sheet are set to an arc connected by two semicircles, and a groove 915 is formed between the two semicircles for positioning during transportation. The groove 915 can be semicircular or other shapes. Among them, the surface of the cavity formed by the two relatively buckled tube sheets 91 and both ends of the assembled tube sheet assembly need to be coated with flux.

[0050] Figure 4 This is a structural schematic diagram of a tube sheet assembly flux coating assembly device according to an embodiment of the present invention. The tube sheet assembly flux coating assembly device includes a first conveying unit 1, a tube sheet coating unit 2, a second conveying unit 3, a third conveying unit 4, an assembly unit 5, a fourth conveying unit and an assembly coating unit 6.

[0051] The first conveying unit 1 may be configured to convey multiple pairs of tube sheets 91 to the tube sheet coating unit. The first conveying unit 1 may be a conveyor belt transmission structure, which is composed of a conveyor belt, a driving roller, a driven roller, a roller, a tensioning device and a frame, or a chain transmission structure, which is composed of a chain, a sprocket and a guide rail, wherein the chain is a flexible component formed by a series of chain links connected by pins, and the sprocket is connected to a motor, and the chain is driven by the meshing of the gear teeth and the chain. Since each tube sheet assembly includes two tube sheets, at least two (one pair) tube sheets are required as a group when transported on the conveyor belt.

[0052] In actual use, the flux coating assembly device further includes a tube sheet stamping unit and a tube sheet drying unit (not shown in the figure), the tube sheet stamping unit is used to stamp the tube sheet, and the stamped tube sheet can be transferred to the first conveying unit 1 by a robot or the like. The tube sheet drying unit 71 can be arranged on the transmission line of the first conveying unit 1, and can be an oven through which the first conveying unit 1 can pass, and the tube sheet drying unit 71 is used to dry the stamping oil remaining on the tube sheet.

[0053] Figure 5 It is a structural schematic diagram of a tube sheet coating unit according to an embodiment of the present invention. Specifically, the tube sheet coating unit 2 includes a tube sheet transfer unit 21, two tube sheet grippers 22 / 24 and a first coating tool. The tube sheet transfer unit transfers multiple pairs of tube sheets from the first conveying unit to one end of the line body, and lifts the tube sheets to a tube sheet gripper 22. Figure 6 The schematic diagram of the structure of the tube sheet transfer unit of one embodiment of the present invention is shown in FIG. The tube sheet transfer unit 21 includes two fixed side plates 211, two movable side plates 212, a first clamping cylinder 213, a screw motor 214, two guide rails 215 and a first lifting cylinder 217. The two fixed side plates 211 are arranged in parallel, and a plurality of first positioning members 2111 are arranged on the inner side of the fixed side plates 211. The two movable side plates 212 are arranged on the inner side of the two fixed side plates 211, respectively, and a plurality of second positioning members 2121 are arranged on the inner side of the movable side plates 212. The first clamping cylinder 213 is connected to the movable side plate 212 and controls the first clamping cylinder 213 to reciprocate along the extension direction of the fixed side plate 211. The reciprocating movement of the movable side plate 212 relative to the fixed side plate 211 changes the relative position between a first positioning member 2111 and a second positioning member 2121, thereby realizing the function of clamping the tube sheet A. The screw motor 214 is composed of a motor part and a screw transmission part. The screw is connected to the fixed side plate 211. The motor generates rotational power and transmits the power to the screw through a coupling and other connecting parts. The screw rotates under the drive of the motor, and the fixed side plate 211 connected to the screw can make a linear motion along the axis direction of the screw, that is, the screw can drive the fixed side plate 211 to move back and forth along the extension direction of the guide rail 215, thereby realizing the distance between the two fixed side plates 211 and realizing the function of clamping the two ends of the tube sheet A or releasing the tube sheet A. In some embodiments, the tube sheet transfer unit may also include a reversing gear 216, which is arranged on the motor output shaft of the screw motor 214, and is used to change the rotation direction of the output shaft of the screw motor, that is, to change the moving direction of the fixed side plate 211. The first lifting cylinder 217 is connected to the fixed side plate 211 and controls the lifting and lowering of the two fixed side plates 211.

[0054] When the first conveying unit 1 transports multiple pairs of tube sheets A to the tube sheet transfer unit 21, the first lifting cylinder 217 controls the two fixed side plates 211 to descend to the tube sheet A transportation plane, the screw motor 214 controls the two fixed side plates 211 to approach to achieve clamping of the two ends of the tube sheet A, the first clamping cylinder 213 controls the two movable side plates 212 to achieve arrangement and positioning of the tube sheet A, and then the first lifting cylinder 217 controls the two fixed side plates 211 to rise and transport the tube sheet A to a position where the tube sheet gripper 22 can grasp it.

[0055] Figure 7Schematic diagram of the structure of a tube sheet gripper according to an embodiment of the present invention, the tube sheet gripper 22 comprises a translation drive unit (not shown in the figure), a second lifting cylinder 226, a second clamping cylinder 225, a gear rack assembly 224, two cross columns 223, a plurality of pairs of claws, and the two claws 222 of each pair of claws are respectively arranged on the two cross columns 223; the second clamping cylinder 225, the gear rack assembly 224, the two cross columns 223, a plurality of pairs of claws, and the two claws 222 of each pair of claws are respectively arranged on the two cross columns 223; The columns 223 can be arranged on a first support platform 221, and the piston of the second clamping cylinder 225 is connected to the gear of the gear rack assembly 224; the two cross columns 223 are respectively connected to the gear and rack of the gear rack assembly 224, and the reciprocating motion of the piston of the second clamping cylinder 225 drives the relative motion of the two cross columns 223, thereby driving the two claws of the multiple pairs of claws to be in a gripping state or a loose state; the multiple pairs of claws can be set at a certain spacing, and the spacing is adapted to the spacing of the tube sheets on the tube sheet transfer unit 21. The second lifting cylinder 226 is configured to control the overall rise or fall of the multiple pairs of claws. Figure 7 In the embodiment of the present invention, the tube sheet gripper 22 may include a second support platform 227, a second lifting cylinder 226 is disposed on the second support platform 227, a translation drive unit is connected to the second support platform 227, and the second support platform 227 may span the support platform of the tube sheet coating unit. Figure 5 Move back and forth in the direction of the dotted arrow.

[0056] The first coating tool includes a first flux storage unit 231, a first coating roller 232 and a coating suction cup station 233. The translation drive unit drives the tube sheet gripper 22 to move to the tube sheet transfer unit 21. The second lifting cylinder 226 descends, so that multiple pairs of claws are at the tube sheet. The second clamping cylinder 225 controls the claws to grab the tube sheet. The second lifting cylinder 226 rises. The translation drive unit drives the tube sheet gripper 22 to move above the coating suction cup station 233 of the first coating tool. The second lifting cylinder 226 descends. The second clamping cylinder 225 controls the claws to release the tube sheet and place the tube sheet on the coating suction cup station 233 of the first coating tool. The suction cup of the coating suction cup station 233 adsorbs the tube sheet. The first flux storage unit 231 can be composed of two stainless steel cylinders, gears and motors, etc. The motor drives the stainless steel cylinders to rotate towards each other, and the flux is transported through the pipeline and drips between the two stainless steel cylinders. As the cylinders rotate, the flux is evenly adhered to the surface of the stainless steel cylinders, and the first flux storage unit 231 is stored. The first coating roller 232 is configured to pick up the flux from the first flux storage unit 231 and distribute it on the roller surface. Figure 5In the embodiment of the present invention, the roller of the first coating roller contacts the stainless steel cylinder of the first flux storage unit 231, and the stainless steel cylinder drives the first coating roller to rotate through friction, so that the flux adhered to the surface of the stainless steel cylinder is coated on the surface of the first coating roller. After the tube sheet is adsorbed to the coating suction cup station 233, the first coating roller 232 is moved to roll over the surface of the tube sheet on the suction cup station, so that the flux on the surface of the first coating roller 232 is coated on the surface of the tube sheet. After the surface of a group of tube sheets is coated with flux, the suction cup of the coating suction cup station 233 is relaxed, and the tube sheet gripper 24 conveys the tube sheet coated with flux to the second conveying unit 3, and the second conveying unit 3 is configured to convey the tube sheet coated with flux to the first position of the assembly unit 5; the second conveying unit 3 can be a conveyor belt transmission structure. At the same time, the first coating roller 232 can be moved to pick up flux again from the first flux storage unit 231.

[0057] The third conveying unit is configured to convey the plurality of inner loose units to the second position of the assembly unit 5, Figure 1 In the embodiment of the present invention, the third conveying unit includes a first conveying section 41 and a second conveying section 42. The conveying direction of the first conveying section 41 is parallel to the conveying direction of the first conveying unit 1 / the second conveying unit 3. The inner bulk unit is transported to the assembly unit 5 in another direction through the second conveying section 42. The conveying direction of the second conveying unit 3 is perpendicular to the extension direction of the tube sheet, and the conveying direction of the second conveying section 42 is parallel to the extension direction of the inner bulk unit. When the conveying direction of the second conveying section 42 is perpendicular to the conveying direction of the second conveying unit 3, the tube sheet and the inner bulk unit are placed in the same direction.

[0058] In some embodiments, the flux coating assembly device further includes an inner bulk stamping unit (not shown in the figure), which is used to stamp the inner bulk, and the stamped inner bulk is transmitted to the third conveying unit. Further, the flux coating assembly device further includes an inner bulk drying unit 72, which is arranged on the transmission line of the third conveying unit, such as Figure 1 In the embodiment, the inner bulk drying unit 72 is arranged on the transmission line of the first transport section 41. The inner bulk drying unit 72 may be an oven through which the first transport section 41 can pass, and is used to dry the stamping oil remaining on the inner bulk.

[0059] In some embodiments, an internal positioning unit is further provided between the third conveying unit and the assembly unit 5. Figure 8The schematic diagram of the structure of the inner loose positioning unit of one embodiment of the present invention comprises a plurality of pairs of inner loose clamping side plates 431, a third clamping cylinder 432, a fork assembly 433 and a second driving unit 434. The third clamping cylinder 432 is connected to the inner loose clamping side plates 431 and controls the spacing between each pair of inner loose clamping side plates 431. One end of the plurality of pairs of inner loose clamping side plates 431 is connected to the third conveying unit (second conveying section 42). The positions of the plurality of pairs of inner loose clamping side plates 431 are connected to the third conveying unit (second conveying section 42). The position of the inner loose unit B transported on the transport section 42) is adapted, and the transported inner loose unit slides to the multiple pairs of inner loose clamping side plates 431 due to inertia at the end of the third transport unit. The fork assembly 433 is provided with multiple forks, and the forks are adapted to the position of the inner loose unit B transported on the third transport unit (the second transport section 42); the second driving unit 434 is connected to the fork assembly 433 and controls the fork assembly 433 to shift the inner loose unit B to the other end 4331 of the multiple pairs of inner loose clamping side plates 431, which is the second position below.

[0060] The assembly unit 5 includes an inner bulk feeding unit 51, a flipping unit 52 and a riveting unit 53. The inner bulk feeding unit is configured to move to the second position to absorb the inner bulk unit, then transfer the inner bulk unit to the top of the first position and release the inner bulk unit to the tube sheet at the first position; the flipping unit is configured to flip a tube sheet at intervals and place it on an adjacent tube sheet; the riveting unit is configured to rivet the two ends of the relatively arranged tube sheets to obtain an assembled tube sheet assembly.

[0061] Furthermore, the inner bulk loading unit includes a servo module and a plurality of suction cups connected to the servo module, and the servo module is configured to be movable along the transmission direction of the inner bulk unit and perpendicular to the transmission plane of the inner bulk. Fig. 9 1 is a schematic structural diagram of an inner bulk loading unit according to an embodiment of the present invention; wherein, the inner bulk loading unit can be integrally arranged on a bracket 519, the bracket 519 is arranged across the second conveying unit 3, the servo module includes a third driving unit 511 movable along a first direction and a fourth driving unit 512 controllable to rise and fall, a plurality of suction cups 513 are arranged at the movable end of the fourth driving unit 512, the plurality of suction cups 513 are moved to the upper part of the inner bulk positioning unit by the servo module, the plurality of suction cups 513 absorb the inner bulk units and then rise and move to the upper part of the tube sheet and place the inner bulk units in the tube sheet on the second conveying unit 3 (first position), it should be noted that the inner bulk units are arranged in the tube sheet at intervals, that is, a tube sheet has an inner bulk unit built therein, and the adjacent tube sheet is a tube sheet to be flipped and engaged with the tube sheet with the inner bulk unit.

[0062] Fig.10The structure diagram of the flip unit of an embodiment of the present invention is shown in FIG. 5 . The flip unit 52 includes a tube sheet positioning and transplanting unit 521 and a flip member 522. The tube sheet positioning and transplanting unit 521 can reciprocate along the second conveying unit 3. A plurality of positioning pins 5211 are arranged on the tube sheet positioning and transplanting unit 521. Two positioning pins 5211 are arranged in two rows. The positioning pins 5211 arranged opposite to each other clamp the grooves 915 at both ends of the tube sheet, so that a plurality of pairs of tube sheets are transplanted on the second conveying unit 3. The tube sheet positioning and transplanting unit 521 at least transports a tube sheet C provided with an inner loose unit and a tube sheet A not provided with an inner loose unit to the position where the riveting support 533 and the flip member 522 can grab them. The tube sheet A not provided with an inner loose unit is flipped and covered on the tube sheet C provided with an inner loose unit by the rotating module and servo control provided by the flip member 522.

[0063] The riveting support 533 can actually move back and forth along the second conveying unit 3 between the riveting support 533 where the tube sheet C can be grasped and the riveting station. Fig.11 Schematic diagram of the structure of a riveting unit according to an embodiment of the present invention. The riveting unit 53 can be integrally arranged on a bracket spanning the second conveying unit 3. The riveting unit 53 can include a cam connecting rod assembly, a rivet needle assembly and a riveting support 533. The cam connecting rod assembly 531 is connected to the driving unit to control the up and down movement of the rivet needle assembly. The rivet needle assembly can include a plurality of pairs of rivet needles 532. Fig.11 The rivet pin assembly includes two pairs of rivet pins 532, and correspondingly, the rivet support members 533 are two pairs. The number of pairs of rivet pins or the number of pairs of rivet support members 533 can be set according to the number of tube sheets to be transported or the number of internal scattered units, which is not limited here. When the rivet support member 533 moves to the right below the riveting station, the cam connecting rod assembly 531 drives the rivet pin 532 to descend. At this time, the rivet pin 532 is concentric with the center hole of the rivet seat 5331. During riveting, the needle tip passes through the rivet seat hole, and the rivet pin 532 and the rivet seat 5331 complete the riveting of the tube sheet to obtain the tube sheet assembly D. After riveting, the rivet support member 533 descends to place the tube sheet assembly D on the transmission line of the second conveying unit 3 and then moves to the position where the tube sheet C is grabbed.

[0064] exist Figure 4 In the embodiment, the fourth transport unit may be an extension of the second transport unit, and the fourth transport unit is configured to transport the assembled tube sheet assembly D to the assembly coating unit 6, Fig.12The schematic diagram of the structure of the component coating unit of one embodiment of the present invention is that the component coating unit 6 is configured to coat the two ends of the assembled tube sheet component with flux, including two groups of second flux storage units 61 and second coating rollers 62 and two driving units 63. Each second coating roller 62 is configured to pick up flux from the second flux storage unit 61 and distribute it on the roller surface. The two groups of second flux storage units 61 and second coating rollers 62 are relatively arranged on both sides of the fourth conveying unit. Each driving unit 63 is connected to the second coating roller 62 and drives it to reciprocate in the transmission direction perpendicular to the fourth conveying unit. Similarly, the second flux storage unit 61 can be composed of two stainless steel cylinders, gears and motors, etc. The motor 64 drives the stainless steel cylinders to rotate in opposite directions. The flux is transported through the pipeline and drips in the middle of the two stainless steel cylinders. As the cylinders rotate, the flux is evenly adhered to the surface of the stainless steel cylinder, that is, the liquid storage of the second flux storage unit 61 is completed. The second coating roller 62 picks up flux from the second flux storage unit 61 and distributes it on the roller surface, and the two driving units 63 respectively drive the two oppositely arranged second coating rollers 62 to move to the two ends of the tube sheet assembly D on the fourth transport unit, so that the flux on the surface of the second coating roller 62 is coated on the surfaces of the two ends of the tube sheet assembly.

[0065] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

[0066] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A tube sheet assembly flux coating assembly device, characterized in that: The tube sheet assembly comprises a pair of tube sheets arranged opposite to each other and an inner dispersion unit between the tube sheets, and the flux coating assembly device comprises a first conveying unit, a tube sheet coating unit, a second conveying unit, a third conveying unit, an assembly unit, a fourth conveying unit and an assembly coating unit; The first conveying unit is configured to convey a plurality of pairs of the tube sheets to the tube sheet coating unit; The tube sheet coating unit comprises a tube sheet transfer unit, two tube sheet grippers and a first coating tool. The tube sheet transfer unit transfers multiple pairs of tube sheets from the first conveying unit to one end of the line body and lifts the tube sheets to one of the tube sheet grippers. The first coating tool comprises a first flux storage unit, a first coating roller and a coating suction cup station. The tube sheet gripper moves the tube sheet at the tube sheet transfer unit to the coating suction cup station. The first coating roller is configured to take flux from the first flux storage unit and distribute it on the roller surface. The first coating roller is moved to coat the flux on the roller surface to the surface of the tube sheet on the coating suction cup station. Another tube sheet gripper conveys the tube sheet coated with flux to the second conveying unit. The second conveying unit is configured to convey the tube sheet coated with solder flux to a first position of the assembling unit; The third conveying unit is configured to convey the plurality of the inner loose units to the second position of the assembling unit; The assembly unit comprises an inner bulk feeding unit, a flipping unit and a riveting unit. The inner bulk feeding unit is configured to move to a second position to absorb the inner bulk unit, then transfer the inner bulk unit to the first position and release the inner bulk unit to the tube sheet at the first position; the flipping unit is configured to flip a tube sheet at intervals and place it on an adjacent tube sheet; the riveting unit is configured to rivet two ends of the oppositely arranged tube sheets to obtain an assembled tube sheet assembly; The fourth conveying unit is configured to transport the assembled tube sheet assembly to the assembly coating unit; The component coating unit is configured to coat the two ends of the assembled tube sheet assembly with flux, and includes two groups of second flux liquid storage units and second coating rollers and two driving units. Each of the second coating rollers is configured to pick up flux from the second flux liquid storage unit and distribute it on the roller surface. The two groups of the second flux liquid storage units and the second coating rollers are relatively arranged on both sides of the fourth conveying unit. Each driving unit is connected to a second coating roller and drives it to reciprocate in a transmission direction perpendicular to the fourth conveying unit.

2. The tube sheet assembly flux coating assembly device according to claim 1, characterized in that: The tube sheet transfer unit comprises two fixed side plates, two movable side plates, a first clamping cylinder, a screw motor, two guide rails and a first lifting cylinder; The two fixed side plates are arranged in parallel and a plurality of first positioning members are arranged on the inner side of the fixed side plates; The two movable side plates are respectively arranged on the inner sides of the two fixed side plates, and a plurality of second positioning members are arranged on the inner sides of the movable side plates; the first clamping cylinder is connected to the movable side plates and controls the two movable side plates to reciprocate along the extending direction of the fixed side plates; when the movable side plates reciprocate relative to the fixed side plates, a first positioning member on the fixed side plates and a second positioning member on the movable side plates clamp or release the tube plates; The screw of the screw motor is connected to the fixed side plates and drives the two fixed side plates to reciprocate along the extension direction of the guide rail; The first lifting cylinder is connected to the fixed side plates and controls the lifting of the two fixed side plates.

3. The tube sheet assembly flux coating assembly device according to claim 1, characterized in that: The tube sheet gripper comprises a second lifting cylinder, a second clamping cylinder, a gear rack assembly, two transverse columns, and two claws of a plurality of pairs of claws respectively arranged on the two transverse columns; The piston of the second clamping cylinder is connected to the gear of the rack and pinion assembly; The two transverse columns are respectively connected to the gear and the rack of the gear and rack assembly, and the reciprocating motion of the piston of the second clamping cylinder drives the two claws of the plurality of pairs of claws to be in a clamping state or a loose state; The second lifting cylinder is configured to control the overall lifting or lowering of the plurality of pairs of claws.

4. The tube sheet assembly flux coating assembly device according to claim 1, characterized in that: The flux coating assembly device further comprises an inner loose positioning unit disposed between the third conveying unit and the assembly unit, the inner loose positioning unit comprising a plurality of pairs of inner loose clamping side plates, a third clamping cylinder, a fork assembly and a second driving unit; The third clamping cylinder is connected to the inner loose clamping side plates and controls the distance between each pair of the inner loose clamping side plates; The fork assembly is provided with a plurality of forks, and the forks are adapted to the positions of the inner loose units on the third conveying unit for conveying the inner loose units. The second driving unit is connected to the fork assembly and controls the fork assembly to shift the inner loose units to one end of the plurality of pairs of inner loose clamping side plates away from the third conveying unit.

5. The tube sheet assembly flux coating assembly device according to claim 1, characterized in that: The inner bulk loading unit comprises a servo module and a plurality of suction cups connected to the servo module. The servo module is configured to be movable along a transmission direction of the inner bulk unit and perpendicular to a transmission plane of the inner bulk.

6. The tube sheet assembly flux coating assembly device according to claim 1, characterized in that: The flux coating assembly device also includes a tube sheet stamping unit for stamping the tube sheet, and the stamped tube sheet is transmitted to the first conveying unit for transmission.

7. The tube sheet assembly flux coating assembly device according to claim 1, characterized in that: The solder flux coating assembly device further comprises an inner bulk stamping unit for stamping the inner bulk, and the stamped inner bulk is transmitted to the third conveying unit.

8. The tube sheet assembly flux coating assembly device according to claim 1, characterized in that: The solder flux coating assembly device further comprises a tube sheet drying unit, which is arranged on the transmission line of the first conveying unit.

9. The tube sheet assembly flux coating assembly device according to claim 1, characterized in that: The solder flux coating assembly device further comprises an internal drying unit, which is arranged on the transmission line of the third conveying unit.

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