CN117697423B

CN117697423B - Radiator welding device

Info

Publication number: CN117697423B
Application number: CN202311757893.XA
Authority: CN
Inventors: 吴元林; 王居然
Original assignee: Cangzhou Kaiyang Electromechanical Equipment Technology Co ltd
Current assignee: Cangzhou Kaiyang Electromechanical Equipment Technology Co ltd
Priority date: 2023-12-19
Filing date: 2023-12-19
Publication date: 2024-05-31
Anticipated expiration: 2043-12-19
Also published as: CN117697423A

Abstract

The invention belongs to the technical field of welding, and particularly provides a radiating fin welding device which comprises an unreeling component, a forming component, a shearing component, a punching component, a involution component and a welding component, wherein the unreeling component is used for conveying coiled metal strips, a concave-convex structure with a certain length is formed on the metal strips through the forming component, a metal plate is obtained through shearing of the shearing component, and oil inlet and outlet notches are punched at the head end and the tail end of the metal plate through the punching component. The forming assembly, the shearing assembly and the stamping assembly work together, so that a first metal plate and a second metal plate can be sequentially formed on a production line along a first horizontal direction, then the first metal plate and the second metal plate are vertically combined together by the combining assembly, and finally the first metal plate and the second metal plate are welded into a whole by the welding assembly, thus realizing automatic forming, combining and welding operation of the radiating fin, being beneficial to reducing the labor intensity of workers and improving the automation level of welding production of the radiating fin.

Description

Radiator welding device

Technical Field

The invention belongs to the technical field of welding, and particularly relates to a radiating fin welding device.

Background

In order to ensure that the equipment operates in a proper temperature range, a radiator is required to be configured, and heat generated by the equipment is timely dissipated to the outside through heat exchange between the radiator and the outside. The heat sink is also called a heat sink unit box, and is a part for heat exchange on the heat sink. The radiating fin is a box body structure formed by combining and welding two metal sheets with concave-convex shapes, the inside of the radiating fin is hollow and is provided with a plurality of radiating channels, the two ends of the radiating fin are provided with inlets and outlets, and when a radiating medium (such as radiating oil) flows through the radiating channels, the radiating fin can exchange heat with the outside, and the temperature of the radiating medium flowing out from the outlets is reduced. The radiator comprises an oil inlet pipe, an oil outlet pipe and a plurality of cooling fins, wherein the cooling fins are parallel and are connected between the oil inlet pipe and the oil outlet pipe at intervals, and an inlet and an outlet of each cooling fin are respectively communicated with the oil inlet pipe and the oil outlet pipe.

The radiating fin is formed by welding two identical metal plates in a butt joint mode, in the prior art, when the radiating fin is manufactured by welding, concave-convex shapes are formed on the metal plates in a punching mode, then the two metal plates are turned over and butt-jointed, a radiating oil duct is formed after the convex positions are butt-jointed, and finally welding and sealing are conducted between the edge of the radiating fin and the adjacent radiating oil duct through welding equipment, and therefore the manufacturing of the radiating fin is completed. The stamping and welding processes can realize automatic/semi-automatic production by means of automatic equipment, the overturning and involution process is carried out by manually overturning one metal plate and then placing the one metal plate on the other metal plate, and then conveying the metal plate to the welding equipment for welding.

Disclosure of Invention

The invention provides a radiating fin welding device, which aims to solve the problems of high labor intensity and low automation degree in the prior art that a metal plate is manually conveyed during radiating fin welding.

In order to achieve the above purpose, the invention adopts the following technical scheme: provided is a fin welding apparatus including:

an unreeling assembly for transporting the metal strip in a first horizontal direction;

The forming assembly is arranged at the discharging side of the unreeling assembly and comprises a first forming mechanism and a second forming mechanism which are arranged at intervals along the first horizontal direction, the first forming mechanism and the second forming mechanism are used for forming concave-convex structures on the surface of the metal belt in a pressing mode, and the first forming mechanism and the second forming mechanism are alternately in a working state and an idle state;

the shearing assembly is arranged on the discharging side of the second molding mechanism and is used for cutting off the metal belt to form a metal plate;

The punching assembly is arranged on the discharging side of the shearing assembly and comprises a first punching mechanism and a second punching mechanism which are arranged at intervals along the first horizontal direction, the first punching mechanism and the second punching mechanism are used for punching two ends of the corresponding metal plate to obtain notches, and the first punching mechanism and the second punching mechanism are alternately in a working state and an idle state;

the closing assembly is arranged at the discharging side of the second stamping mechanism and comprises a plurality of downward vacuum suckers; and

And the welding assembly is arranged on the discharging side of the involution assembly and comprises a plurality of welding heads which are arranged at intervals along the width direction of the metal plate.

In one possible implementation, the unreeling assembly comprises:

the first support is provided with a support shaft which is horizontally arranged; and

The first feeding mechanisms are connected to one side of the first support, the first feeding mechanisms are distributed at intervals along the first horizontal direction, each first feeding mechanism comprises two first conveying rollers which are oppositely arranged along the upper and lower directions, and a first driving unit which is used for driving the first conveying rollers to rotate around the axis of the horizontal direction, and a containing space of a metal belt is formed between the upper and lower two first conveying rollers.

In one possible implementation, the first forming mechanism includes:

the second support is arranged on the discharge side of the unreeling assembly;

the first forming roller is rotatably arranged on the second support seat around the axis in the horizontal direction;

The first lifting piece is connected to the second support and provided with a first lifting end which faces upwards vertically;

the second forming roller is rotatably arranged at the first lifting end around the axis in the horizontal direction, and an extrusion space of the metal belt is formed between the first forming roller and the second forming roller; and

And the second driving unit is used for driving the first forming roller and the second forming roller to rotate around the axis in the horizontal direction respectively.

In one possible implementation, the forming assembly further comprises a first intermediate conveying mechanism disposed between the discharge side of the first forming mechanism and the feed side of the second forming mechanism.

In one possible implementation, the shearing assembly includes:

The shearing mechanism comprises a supporting table arranged on the discharging side of the second molding mechanism and a lifting cutter arranged above the supporting table; and

And the rapid feeding mechanism is arranged on one side, away from the second forming mechanism, of the shearing mechanism and is used for conveying the metal plate along the first horizontal direction, and the feeding speed of the rapid feeding mechanism is greater than that of the unreeling assembly.

In one possible implementation, the jerking mechanism includes:

The third support is arranged on one side of the shearing mechanism, which is away from the second forming mechanism;

the second conveying rollers are arranged on the third support in an up-down opposite mode, and a containing space of the metal belt is formed between the upper conveying roller and the lower conveying roller; and

And the third driving unit is used for driving the second conveying roller to rotate around the axis in the horizontal direction.

In one possible implementation, the first stamping mechanism includes:

the fourth support is arranged on the discharging side of the shearing assembly;

The first die comprises a first upper die and a first lower die which are respectively arranged on the fourth support, and a first stamping space of a metal plate is formed between the first upper die and the first lower die;

the second lifting piece is arranged on the fourth support and is used for driving the first upper die to vertically lift;

the second die is arranged on one side, away from the shearing assembly, of the first die and comprises a second upper die and a second lower die which are respectively arranged on the fourth support, and a second stamping space of the metal plate is formed between the second upper die and the second lower die; and

And the third lifting piece is arranged on the fourth support and used for driving the second upper die to vertically lift.

In one possible implementation, the stamping assembly further includes a second intermediate conveying mechanism disposed between the first stamping mechanism and the second stamping mechanism, the second intermediate conveying mechanism including:

the two fifth supports are oppositely arranged and are arranged between the first stamping mechanism and the second stamping mechanism; and

The first conveying units are arranged in pairs and are respectively arranged on two opposite fifth supports, a containing space in the width direction of the metal plate is formed between the two opposite first conveying units, each first conveying unit comprises two first edge rollers which are arranged up and down oppositely, a fourth driving piece which drives the first edge rollers to rotate around the axis in the horizontal direction, and a containing space in the thickness direction of the metal plate is formed between the upper edge rollers and the lower edge rollers.

In one possible implementation, the apposition assembly includes:

The sixth support is arranged on the discharging side of the stamping assembly and is provided with a conveying space penetrating along the first horizontal direction, the plurality of vacuum sucking discs are respectively arranged on the sixth support, and the welding assembly is arranged on one side, away from the second stamping mechanism, of the sixth support;

The second conveying units are arranged on two opposite side walls of the conveying space in a pair-by-pair mode, a containing space in the width direction of the metal plate is formed between the two opposite second conveying units, each second conveying unit comprises two second edge rollers which are arranged up and down in an opposite mode, a fifth driving piece which drives the second edge rollers to rotate around the axis in the horizontal direction, and a containing space in the thickness direction of the metal plate is formed between the upper and lower second edge rollers; and

The fourth lifting pieces are in one-to-one correspondence with the vacuum chucks and are used for driving the vacuum chucks to vertically lift.

In one possible implementation manner, the fin welding device further includes an alignment fixture, where the alignment fixture includes:

The limiting frame is arranged on the discharging side of the welding assembly and is provided with a plurality of limiting grooves which are arranged at intervals from top to bottom, and the limiting grooves penetrate through the limiting frame along the first horizontal direction; and

And the fifth lifting piece is used for driving the limiting frame to vertically lift.

Compared with the prior art, the radiating fin welding device provided by the invention has the beneficial effects that:

The radiating fin welding device comprises an unreeling component, a forming component, a shearing component, a punching component, an involution component and a welding component, wherein the unreeling component is used for conveying coiled metal strips, a concave-convex structure with a certain length is formed on the metal strips through the forming component, then the metal strips are sheared through the shearing component to obtain metal plates, and notches for entering and exiting oil are punched at the head end and the tail end of the metal plates through the punching component. For convenience of explanation, the two metal plates are defined as a first metal plate and a second metal plate, respectively. The molding assembly comprises a first molding mechanism and a second molding mechanism which work alternately, wherein the first molding mechanism is used for forming the concave-convex structure on the first metal plate, and the second molding mechanism is used for forming the concave-convex structure on the second metal plate. The punching assembly comprises a first punching mechanism and a second punching mechanism, wherein the first punching mechanism is used for forming an oil inlet notch and an oil outlet notch of the first metal plate, and the second punching mechanism is used for forming the oil inlet notch and the oil outlet notch of the second metal plate. The forming assembly and the stamping assembly work together, so that a first metal plate and a second metal plate can be sequentially formed on the production line along the first horizontal direction, then the first metal plate and the second metal plate are vertically combined together by the combining assembly, and finally the first metal plate and the second metal plate are welded into a whole through the welding assembly.

The radiating fin welding device provided by the invention comprises the unreeling component, the forming component, the shearing component, the stamping component, the involution component and the welding component, can realize the automatic forming, involution and welding operation of radiating fins, is beneficial to reducing the labor intensity of workers and improves the automation level of radiating fin welding production.

Drawings

FIG. 1 is a schematic diagram of a structure in which two metal plates are vertically aligned;

FIG. 2 is a schematic diagram of a heat sink welding device according to one embodiment of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 2;

FIG. 5 is an enlarged view of a portion C of FIG. 2;

FIG. 6 is an enlarged partial view of the first forming mechanism position in one embodiment of the present invention;

FIG. 7 is a schematic view of the structure of a first forming roll and a second forming roll according to one embodiment of the present invention;

FIG. 8 is a schematic view of a joining assembly and a welding assembly according to one embodiment of the present invention;

FIG. 9 is a schematic view of a joining assembly and a welding assembly according to another embodiment of the present invention;

Fig. 10 is a schematic structural diagram of an alignment fixture according to one embodiment of the present invention.

Reference numerals illustrate:

1. A heat sink welding device;

10. Unreeling the assembly; 11. a first support; 111. a support shaft; 12. a first feeding mechanism; 121. a first conveying roller;

20. A molding assembly; 21. a first molding mechanism; 211. a second support; 212. a second molding roll; 213. a first lifting member; 214. a first forming roller; 215. a second driving unit; 22. a second molding mechanism; 23. a first intermediate conveying mechanism;

30. A shear assembly; 31. a shearing mechanism; 311. a support table; 312. lifting the cutter; 32. a jerky delivery mechanism; 321. a third support; 322. a second conveying roller; 323. a third driving unit;

40. A punching assembly; 41. a first punching mechanism; 411. a fourth support; 412. a first mold; 413. a second lifting member; 414. a second mold; 415. a third lifting member; 42. a second punching mechanism; 43. a second intermediate conveyance mechanism; 431. a fifth support; 432. a first edge roll; 433. a fourth driving member;

50. An involution component; 51. a sixth support; 52. a second edge roll; 53. a fourth elevating member; 54. a vacuum chuck;

60. welding the assembly; 61. a welding head;

70. arranging the tooling; 71. a limiting frame; 711. a limit groove; 72. a fifth elevating member;

80. A metal plate; 81. a concave-convex structure; 82. an oil inlet notch; 83. an oil outlet notch.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "fixed," "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to," "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on," "disposed on" another element, it can be directly on the other element or intervening elements may also be present. "plurality" refers to two and more numbers. "at least one" refers to one and more quantities. "number" refers to one or more numbers.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Referring to fig. 1 to 10, a fin welding apparatus 1 according to an embodiment of the invention is described below.

Referring to fig. 1 to 4, an embodiment of the present invention provides a fin welding apparatus 1, which includes an unreeling assembly 10, a forming assembly 20, a shearing assembly 30, a punching assembly 40, a butt-joint assembly 50 and a welding assembly 60. The unreeling assembly 10 is used for conveying the metal strip along a first horizontal direction; the forming assembly 20 is arranged on the discharging side of the unreeling assembly 10, the forming assembly 20 comprises a first forming mechanism 21 and a second forming mechanism 22 which are arranged at intervals along a first horizontal direction, the first forming mechanism 21 and the second forming mechanism 22 are used for pressing and forming a concave-convex structure 81 on the surface of a metal belt, and the first forming mechanism 21 and the second forming mechanism 22 are alternately in a working state and an idle state; the shearing assembly 30 is arranged on the discharging side of the second forming mechanism 22 and is used for cutting off the metal belt to form a metal plate; the punching assembly 40 is arranged on the discharging side of the shearing assembly 30, the punching assembly 40 comprises a first punching mechanism 41 and a second punching mechanism 42 which are arranged at intervals along the first horizontal direction, the first punching mechanism 41 and the second punching mechanism 42 are used for punching notches at two ends of corresponding metal plates, and the first punching mechanism 41 and the second punching mechanism 42 are alternately in a working state and an idle state; the involution assembly 50 is arranged on the discharging side of the second stamping mechanism 42, and the involution assembly 50 comprises a plurality of downward vacuum suckers 54; the welding unit 60 is provided on the discharge side of the joining unit 50, and the welding unit 60 includes a plurality of welding heads 61 provided at intervals in the width direction of the metal plate 80.

Compared with the prior art, the fin welding device 1 provided by the embodiment of the invention has the beneficial effects that:

the fin welding device 1 provided by the embodiment of the invention comprises an unreeling component 10, a molding component 20, a shearing component 30, a punching component 40, a involution component 50 and a welding component 60, wherein the unreeling component 10 is used for conveying coiled metal strips, a concave-convex structure 81 with a certain length is formed on the metal strips through the molding component 20, then a metal plate is obtained through shearing of the shearing component 30, and notches for oil inlet and outlet are punched at the head end and the tail end of the metal plate through the punching component 40.

For convenience of explanation, the two metal plates are defined as a first metal plate and a second metal plate, respectively. The molding assembly 20 includes a first molding mechanism 21 and a second molding mechanism 22 that alternately operate, the first molding mechanism 21 for forming the concave-convex structure 81 on the first metal plate, and the second molding mechanism 22 for forming the concave-convex structure 81 on the second metal plate. The punching assembly 40 includes a first punching mechanism 41 for forming the oil inlet slot 82 and the oil outlet slot 83 of the first metal plate, and a second punching mechanism 42 for forming the oil inlet slot 82 and the oil outlet slot 83 of the second metal plate. The forming assembly 20 and the stamping assembly 40 work together, so that the first metal plate and the second metal plate can be sequentially formed along the first horizontal direction on the production line, and then the first metal plate and the second metal plate are vertically combined together by the combining assembly 50, and finally welded into a whole by the welding assembly 60.

The cooling fin welding device 1 provided by the embodiment of the invention comprises the unreeling component 10, the forming component 20, the shearing component 30, the stamping component 40, the involution component 50 and the welding component 60, can realize the automatic forming, involution and welding operation of cooling fins, is beneficial to reducing the labor intensity of workers and improves the automation level of the cooling fin welding production.

In the embodiment of the present invention, the unreeling assembly 10 is used for unreeling and conveying a metal coil (typically a steel strip coil, of course, metal coils made of other materials), the unreeling assembly 10 may specifically adopt a roll shaft type conveying structure, and in order to prevent the metal strip from shifting left and right, limiting structures may also be arranged on two sides of the metal strip.

The forming assembly 20 is disposed on the discharge side of the unreeling assembly 10, and is used for forming a concave-convex structure 81 on the surface of the metal strip, when the two metal plates are vertically combined, the convex parts of the two metal plates are combined to form an oil flow channel (i.e. a heat dissipation channel), and the concave parts of the two metal plates are adhered to each other and welded together, so as to form edge sealing edges of the heat dissipation fins or separate the two oil flow channels.

Since the first metal plate and the second metal plate are vertically symmetrical and the concave-convex structure 81 of the first metal plate and the concave-convex structure 81 of the second metal plate are also symmetrically opposite, two molding mechanisms, respectively the first molding mechanism 21 and the second molding mechanism 22, need to be provided. The dies of the first forming mechanism 21 and the second forming mechanism 22 are also reversed, the first forming mechanism 21 being used to form the desired relief structure 81 of the first metal sheet on the metal strip, and the second forming mechanism 22 being used to form the desired relief structure 81 of the second metal sheet on the metal strip. The first molding mechanism 21 and the second molding mechanism 22 may be formed by punching, rolling, or the like, and the desired concave-convex structure 81 may be formed on the metal tape.

The shearing assembly 30 is used for cutting the metal belt into metal plates, and the shearing assembly 30 can directly select the existing plate and belt cutting mechanism in the market, so that the cutting work of the metal belt can be completed.

The punching assembly 40 is also provided with two punching mechanisms, which are a first punching mechanism 41 and a second punching mechanism 42, as in the forming assembly 20, the first punching mechanism 41 being for punching the first metal plate at the front and rear ends to form the oil inlet slot 82 and the oil outlet slot 83, and the second punching mechanism 42 being for punching the second metal plate at the front and rear ends to form the oil inlet slot 82 and the oil outlet slot 83, the oil inlet slot 82 and the oil outlet slot 83 being in communication with the oil flow passage, respectively.

In operation, the first metal plate and the second metal plate are sequentially fed from the discharge side of the punching assembly 40, and the joining assembly 50 joins the first metal plate and the second metal plate together and then welded by the welding assembly 60.

The folding assembly 50 may be a manipulator or other structure capable of sucking/clamping/grabbing the metal plate, when the folding assembly 50 works, the folding assembly 50 grabs the first metal plate and drives the first metal plate to rise to a certain height, and when the second metal plate is conveyed to the lower side of the first metal plate, the folding assembly 50 drops the first metal plate. So set up, need not to carry out the upset action and can be in the same place first metal sheet and second metal sheet upper and lower involution, simple structure, simple operation, required space are little.

The welding assembly 60 includes a plurality of welding heads 61, the welding heads 61 being disposed to be liftable, and the welding heads 61 being in contact with the metal plate when lowered, the plurality of welding heads 61 being arranged in a width direction of the metal plate for welding edges of the heat sink or regions between adjacent oil flow channels, respectively. The welding head 61 may be formed by butt welding, laser welding, plasma welding, or the like, and may be formed by welding two metal plates (steel plates) together.

Referring to fig. 2 and 3, in some possible embodiments, the unreeling assembly 10 includes a first support 11 and a plurality of first feeding mechanisms 12, the first support 11 has a horizontally disposed supporting shaft 111, the plurality of first feeding mechanisms 12 are disposed on one side of the first support 11 along a first horizontal direction at intervals, the first feeding mechanism 12 includes two first conveying rollers 121 disposed on the first support 11 vertically opposite to each other, and a first driving unit for driving the first conveying rollers 121 to rotate around an axis in the horizontal direction, and a space for accommodating the metal strip is formed between the upper and lower first conveying rollers 121.

The steel strip coil is coaxially arranged on the supporting shaft 111, and the upper and lower first conveying rollers 121 are driven to relatively rotate by the first driving unit, so that the steel strip is conveyed forward along the first horizontal direction as shown in fig. 2 by the first conveying rollers 121.

It should be noted that, because the production line of the fin welding apparatus 1 is long, in order to ensure smooth conveying of the metal strip or the metal plate, a conveying mechanism may be provided between each process such as forming, shearing, stamping, involution, welding, etc. as required, so as to complete conveying of the metal strip or the metal plate, so as to ensure smooth connection between each process.

Referring to fig. 3, 6 and 7, in some possible embodiments, the first molding mechanism 21 includes a second support 211, a first molding roller 214, a first lifter 213, a second molding roller 212 and a second driving unit 215. The second support 211 is arranged on the discharging side of the unreeling assembly 10; the first forming roller 214 is rotatably arranged on the second support 211 around the axis in the horizontal direction; the first lifting member 213 is disposed on the second support 211 and has a first lifting end facing vertically upwards; the second forming roller 212 is rotatably disposed at the first lifting end around the axis in the horizontal direction, and an extrusion space for the metal strip is formed between the first forming roller 214 and the second forming roller 212; the second driving unit 215 is for driving the first forming roller 214 and the second forming roller 212 to rotate about the axis in the horizontal direction, respectively.

The structure and the working principle of the first forming mechanism 21 are described in this embodiment, and it will be understood by those skilled in the art that the structure and the working principle of the first forming mechanism 21 and the second forming mechanism 22 are the same in this embodiment, except that the forming rollers and the shapes are different to form the concave-convex structures 81 on the first metal plate and the second metal plate, respectively, and that the second forming mechanism 22 can be obtained by those skilled in the art according to the first forming mechanism 21.

The first forming mechanism 21 includes a first forming roller 214 and a second forming roller 212 which are disposed opposite to each other up and down, forming grooves are provided on outer peripheral surfaces of the first forming roller 214 and the second forming roller 212, respectively, and a metal belt can form a concave-convex structure 81 after passing through an extrusion space of the metal belt formed between the first forming roller 214 and the second forming roller 212. The second forming roller 212 is rotatably disposed at the first lifting end, and when the first lifting end is in a lifted state, the first forming roller 214 and the second forming roller 212 do not press the metal strip, and the first forming mechanism 21 is in an idle state. When the first lifting end is in the lowered state, the metal strip can be extruded by the first forming roller 214 and the second forming roller 212 with reduced distance, and the first forming mechanism 21 is in the working state.

The concave-convex structure 81 on the metal plate in this embodiment is obtained by rolling with a forming roller, and can be rolled when the metal belt is conveyed, so that a production mode of conveying and rolling simultaneously is formed, and continuous production is facilitated. Meanwhile, the length of the roll forming can be selected by oneself, the roll forming machine can be suitable for production and manufacture of cooling fins with different lengths, and the universality of equipment is strong.

The first lifting member 213 may be a hydraulic cylinder, an electric telescopic rod, a pneumatic telescopic rod, etc. The first and second driving units 215 may be power devices capable of outputting rotational motion, such as an electric motor, a hydraulic swing motor, and the like, respectively.

Referring to fig. 3, in some possible embodiments, the forming assembly 20 further includes a first intermediate conveying mechanism 23 disposed between the discharge side of the first forming mechanism 21 and the feed side of the second forming mechanism 22.

In this embodiment, the first intermediate conveying mechanism 23 is used for conveying the metal belt between the first forming mechanism 21 and the second forming mechanism 22, and the first intermediate conveying mechanism 23 may be a roller conveyor, and the structure of the first intermediate conveying mechanism may be similar to that of the first feeding mechanism 12, which is not described herein.

Referring to fig. 4, in some possible embodiments, the shearing assembly 30 includes a shearing mechanism 31 and a jerking mechanism 32, the shearing mechanism 31 includes a supporting table 311 disposed on the discharging side of the second forming mechanism 22, and a lifting cutter 312 disposed above the supporting table 311; the rapid-feeding mechanism 32 is disposed on a side of the shearing mechanism 31 away from the second forming mechanism 22, and is used for conveying the metal sheet along the first horizontal direction, and the feeding speed of the rapid-feeding mechanism 32 is greater than that of the unreeling assembly 10.

In this embodiment, the shearing assembly 30 includes a shearing mechanism 31 and a rapid feeding mechanism 32, the shearing mechanism 31 cuts the metal strip by a lifting cutter 312 to obtain a metal plate, and the metal plate is conveyed to the punching assembly 40 by a conveying roller for punching. Since the metal plate needs to be stationary during punching, in order to avoid interference between the metal plate and the metal belt continuously conveyed in the rear, the sheared metal plate is conveyed forward by the jerk mechanism 32, and the metal plate and the metal belt in the rear are separated by a distance to serve as a buffer space. The feeding speed of the emergency feeding mechanism 32 is greater than that of the unreeling assembly 10, and the structural form of the emergency feeding mechanism 32 can be similar to that of the first feeding mechanism 12, except that the feeding speed is higher, and the feeding speed can be realized by increasing the rotating speed of the driving motor.

Referring to fig. 4, in some possible embodiments, the jerking mechanism 32 includes a third support 321, a plurality of second conveying rollers 322, and a third driving unit 323. The third support 321 is arranged on one side of the shearing mechanism 31 away from the second forming mechanism 22; the plurality of second conveying rollers 322 are arranged on the third support 321 in a vertically opposite manner, and a metal belt accommodating space is formed between the upper and lower second conveying rollers 322; the third driving unit 323 is used for driving the second conveying roller 322 to rotate around the axis in the horizontal direction, and the third driving mechanism can select a variable frequency motor so as to realize controllable feeding speed.

Referring to fig. 4, in some possible embodiments, the first stamping mechanism 41 includes a fourth support 411, a first die 412, a second lifter 413, a second die 414, and a third lifter 415. The fourth support 411 is arranged on the discharging side of the shearing assembly 30; the first mold 412 includes a first upper mold and a first lower mold respectively provided to the fourth support 411, and a first punching space of the metal plate is formed between the first upper mold and the first lower mold; the second lifting piece 413 is arranged on the fourth support 411 and is used for driving the first upper die to vertically lift; the second mold 414 is disposed on a side of the first mold 412 facing away from the shearing assembly 30, and the second mold 414 includes a second upper mold and a second lower mold respectively disposed on the fourth support 411, and a second punching space of the metal plate is formed between the second upper mold and the second lower mold; the third lifting member 415 is disposed on the fourth support 411, and is used for driving the second upper die to vertically lift.

In this embodiment, the first die 412 of the first stamping mechanism 41 is used for stamping to obtain the oil inlet 82 of the first metal plate, the second die 414 is used for stamping to obtain the oil outlet 83 of the first metal plate, during operation, under the conveying of the feeding mechanism (such as a conveying roller, a pushing rod, etc.), the metal plate sequentially passes through the first die 412 and the second die 414 along the first horizontal direction, the second lifting member 413 drives the first upper die and the first lower die to stamp the metal plate to form the oil inlet 82, the third driving member drives the second upper die and the second lower die to stamp the metal plate to form the oil outlet 83, and the stamped metal plate can be obtained from the discharging side of the second die 414.

It will be appreciated by those skilled in the art that the upper and lower dies of the first die 412 and the second die 414 can be designed according to the oil inlet slot 82 and the oil outlet slot 83 of the heat sink, and the structure and working principle of the second punching mechanism 42 are similar to those of the first punching mechanism 41, except that the shapes of the dies are different, and those skilled in the art can obtain the second punching mechanism 42 according to the first punching mechanism 41.

The first punch mechanism 41 and the second punch mechanism 42 alternately operate, and when one of them operates, the other is in an idle state. For example, when the second metal plate passes through the first punching mechanism 41, the first punching mechanism 41 is in an idle state, and when the second metal plate moves to the second punching mechanism 42, the second punching mechanism 42 enters an operating state, and the second metal plate is punched to obtain the oil inlet slot 82 and the oil outlet slot 83.

In the prior art, after the oil inlet notch 82 and the oil outlet notch 83 are punched in the metal plate, the end of the heat sink can be tilted as shown in fig. 1, so that the heat sink needs to be considered to avoid from the middle of the metal plate during conveying. To achieve avoidance of the middle portion of the sheet metal, referring to fig. 4, in some possible embodiments, the punching assembly 40 further includes a second intermediate conveying mechanism 43 disposed between the first punching mechanism 41 and the second punching mechanism 42, the second intermediate conveying mechanism 43 includes two fifth supports 431 disposed opposite to each other, and a plurality of first conveying units, and the fifth supports 431 are disposed between the first punching mechanism 41 and the second punching mechanism 42; the first conveying units are respectively arranged on two opposite fifth supports 431 in pairs, a containing space in the width direction of the metal plate is formed between the two opposite first conveying units, each first conveying unit comprises two first edge rollers 432 which are arranged up and down in an opposite mode, a fourth driving piece 433 which drives the first edge rollers 432 to rotate around the axis in the horizontal direction, and a containing space in the thickness direction of the metal plate is formed between the upper and lower first edge rollers 432.

In this embodiment, the fourth driving member 433 may be a rotary driving member such as a motor, and the first edge roller 432 rotates to drive the metal plate to move, where the first edge roller 432 only contacts with the edge of the metal plate, and does not interfere with the middle portion of the protrusion of the metal plate, so that the metal plate can be conveyed smoothly.

Referring to fig. 5, 8 and 9, in some possible embodiments, the apposition assembly 50 includes a vacuum chuck 54, a sixth support 51, a plurality of second conveying units and a plurality of fourth elevating members 53. The sixth support 51 is arranged at the discharging side of the punching assembly 40 and is provided with a conveying space penetrating along the first horizontal direction, the plurality of vacuum sucking discs 54 are respectively arranged at the sixth support 51, and the welding assembly 60 is arranged at one side of the sixth support 51 away from the second punching mechanism 42; the second conveying units are arranged on two opposite side walls of the conveying space in a pair, a containing space in the width direction of the metal plate is formed between the two opposite second conveying units, each second conveying unit comprises two second edge rollers 52 which are arranged up and down in an opposite mode, a fifth driving piece which drives the second edge rollers 52 to rotate around the axis in the horizontal direction, and a containing space in the thickness direction of the metal plate is formed between the upper second edge rollers 52 and the lower second edge rollers 52; the fourth lifting members 53 are in one-to-one correspondence with the vacuum chucks 54, and are used for driving the vacuum chucks 54 to vertically lift.

In this embodiment, the joining assembly 50 includes a sixth support 51, a plurality of second conveying units and a fourth lifting member 53, the metal plate can move forward through the second edge rollers 52 of the second conveying units, when in operation, the first metal plate is firstly conveyed into the conveying space, the vacuum chuck 54 can suck the first metal plate and drive the first metal plate to rise until the second metal plate moves below the first metal plate, and the fourth lifting member 53 drives the vacuum chuck 54 to drive the first metal plate to descend onto the second metal plate, so as to complete the buckling of the first metal plate and the second metal plate.

The involution assembly 50 provided in this embodiment includes a vacuum chuck 54, a sixth support 51, a plurality of second conveying units and a plurality of fourth lifting members 53, the second conveying units can sequentially convey the first metal plate and the second metal plate, the first metal plate can be absorbed through the vacuum chuck 54, the fourth lifting members 53 can drive the vacuum chuck 54 to drive the first metal plate to lift, the first metal plate and the second metal plate can be buckled together up and down, the structure is simple, the operation is convenient, and the involution efficiency of the metal plates is high.

Referring to fig. 1, 5 and 10, in some possible embodiments, the fin welding apparatus 1 further includes an alignment fixture 70, the alignment fixture 70 includes a limiting frame 71 and a fifth lifting member 72, the limiting frame 71 is disposed on a discharging side of the welding assembly 60, the limiting frame 71 has a plurality of limiting slots 711 disposed at intervals from top to bottom, and the limiting slots 711 penetrate through the limiting frame 71 along a first horizontal direction; the fifth lifter 72 is used for driving the limiting frame 71 to vertically lift.

In this embodiment, the whole row of tools 70 is disposed at the discharge end of the fin welding device 1, and is used for temporarily storing the welded fin. The fifth lifter 72 may be an electric lifter, a hydraulic lifter, or the like, and is capable of driving the stopper 71 to move up and down. The limiting frame 71 forms a multi-layer storage space from top to bottom through a plurality of limiting grooves 711, when the welding device is used, the limiting grooves 711 are aligned with the heights of the radiating fins, the welded radiating fins are conveyed into the limiting grooves 711 through conveying rollers (specifically, second edge rollers 52), after the radiating fins move in place, the limiting frame 71 is driven to ascend through a fifth lifting piece 72, the next empty limiting groove 711 is aligned with the discharging height of the welding assembly 60, and the next welding discharging is waited.

It will be appreciated that the portions of the foregoing embodiments may be freely combined or omitted to form different combined embodiments, and the details of the respective combined embodiments are not described herein, so that after the description, the present disclosure may be considered as having described the respective combined embodiments, and the different combined embodiments can be supported.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. Fin welding set, its characterized in that includes:

The welding assembly is arranged on the discharging side of the involution assembly and comprises a plurality of welding heads which are arranged at intervals along the width direction of the metal plate;

the apposition assembly further comprises:

2. The fin welding apparatus of claim 1, wherein the unreeling assembly comprises:

3. The fin welding apparatus of claim 1, wherein the first molding mechanism comprises:

the second support is arranged on the discharge side of the unreeling assembly;

A first forming roller rotatably connected to the second support about a horizontal axis;

The first lifting piece is arranged on the second support and provided with a first lifting end which faces upwards vertically;

The second forming roller is rotationally connected to the first lifting end around a horizontal axis, and an extrusion space of the metal belt is formed between the first forming roller and the second forming roller; and

4. The fin welding apparatus of claim 3, wherein the forming assembly further comprises a first intermediate conveyor mechanism disposed between a discharge side of the first forming mechanism and a feed side of the second forming mechanism.

5. The fin bonding apparatus of claim 1, wherein the shear assembly comprises:

6. The fin welding apparatus of claim 5, wherein the jerking mechanism comprises:

7. The fin welding apparatus of claim 1, wherein the first stamping mechanism comprises:

8. The fin bonding apparatus of claim 1, wherein the punch assembly further comprises a second intermediate transport mechanism disposed between the first punch mechanism and the second punch mechanism, the second intermediate transport mechanism comprising:

9. The fin welding apparatus of claim 1, further comprising an alignment fixture, the alignment fixture comprising: