CN112318141A

CN112318141A - Automatic assembling equipment for heat pipe fins

Info

Publication number: CN112318141A
Application number: CN202011203530.8A
Authority: CN
Inventors: 曹茂兵
Original assignee: Changfeng Wudao Intelligent Photoelectric Technology Co ltd
Current assignee: Changfeng Wudao Intelligent Photoelectric Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-02-05
Anticipated expiration: 2040-11-02
Also published as: CN112318141B

Abstract

The invention relates to automatic heat pipe fin assembling equipment, which comprises a heat radiating fin feeding device, wherein an outlet of the heat radiating fin feeding device is communicated with an inlet of a welding positioning device, a reserved heat pipe mounting device is arranged beside the welding positioning device and used for welding and fixing a heat pipe and a heat radiating fin, an outlet of the welding positioning device is connected with a feed inlet of a heat pipe assembling device, a heat pipe bending device is arranged beside the heat pipe assembling device and used for bending and leading out the heat pipe, and the heat pipe assembling device is used for splicing the bent heat pipe and a reserved heat pipe orifice of a welded heat radiating module.

Description

Automatic assembling equipment for heat pipe fins

Technical Field

The invention relates to the technical field of LED heat dissipation equipment, in particular to automatic assembling equipment for heat pipe fins.

Background

When large-scale LED is in the in-service use, the LED module can produce a large amount of heats, need to guarantee LED's normal use to the effective heat dissipation of LED module, the LED module is installed on heat dissipation module, general heat dissipation module has heat radiation fins and heat pipe dog card, heat radiation fins interconnect is as an organic whole to set up the heat pipe on heat radiation fins, the heat that the LED module produced leads to in the heat radiation fins through the heat pipe, and then can effectively improve the radiating efficiency to the LED module. In the prior art, when the heat dissipation module is assembled, firstly, the heat dissipation fins are welded and fixed through welding equipment, interfaces of heat pipes are reserved on the heat dissipation fins, after the LED module is connected with the heat pipes, the heat pipes are connected with the interfaces of the heat pipes reserved on the heat dissipation module through bending, and then the LED heat dissipation module is formed.

Disclosure of Invention

The invention aims to provide automatic assembling equipment for heat pipe fins, which can realize automatic production of the heat dissipation module with the structure, improve the production efficiency of the heat dissipation module and ensure the production quality of the heat dissipation module.

The technical scheme adopted by the invention is as follows:

the utility model provides a heat pipe fin automatic assembly equipment, includes the cooling fin feedway, cooling fin feedway's export and welding position device's entry intercommunication, welding position device's side is provided with reserves heat pipe installation device, reserve heat pipe installation device and implement the welded fastening to heat pipe and cooling fin, welding position device's export links up with heat pipe assembly device's feed inlet, heat pipe assembly device's side is provided with heat pipe bending apparatus, heat pipe bending apparatus implements the bending and deriving to the heat pipe, heat pipe assembly device implements to the crooked heat pipe and the grafting of reservation heat pipe orifice of the good heat dissipation module of welding.

The invention has the technical effects that: in the process of automatically assembling the heat pipe fins, the heat radiating fin feeding device conducts guiding to a single heat radiating fin and guides the heat radiating fin to the welding positioning device, welding and installing of a plurality of groups of heat radiating fins are conducted, then the reserved heat pipe is conducted to the position of the welded heat radiating fin by the aid of the reserved heat pipe installing device, the installed heat radiating fin is guided to the position of the heat pipe assembling device, the heat pipe bending device conducts bending to the heat pipe, then the heat pipe assembling device conducts installation of the bent heat pipe and the heat radiating fin and the reserved heat pipe, and further automatic installation of the heat radiating fin assembly is completed.

Drawings

Fig. 1 and fig. 2 are schematic views of two perspective structures of a heat sink fin;

fig. 3 is a front view of a radiator fin;

fig. 4 is a schematic structural view of a single fin;

fig. 5 and 6 are a top view and a front view of the cooling fin supply device, respectively;

fig. 7 is a schematic structural view of a cooling fin supply device;

fig. 8 is a schematic structural view of a discharge channel in a cooling fin supply device;

FIG. 9 is a front view of the gap retaining alignment head;

FIG. 10 is a schematic view of a part of the welding positioning device and the installation device of the reserved heat pipe;

FIG. 11 is a schematic cross-sectional view of a weld positioning device;

FIG. 12 is a schematic structural view of a pre-heat pipe installation apparatus;

FIG. 13 is a schematic structural view of a pre-heat pipe installation device and a nickel metal pipe feeding device;

FIG. 14 is a schematic structural view of a pre-heat pipe installation apparatus;

FIG. 15 is a schematic structural view of a portion of the installation device for the heat pipe;

FIG. 16 is a schematic structural view of a nickel-metal tube supply device;

FIG. 17 is a schematic view of a partial structure of a nickel metal tube supply device;

FIG. 18 is a schematic view of the structure of a heat pipe bending apparatus;

FIG. 19 is a front view of a heat pipe bending apparatus;

FIG. 20 is a schematic view of a part of the structure in the heat pipe bending apparatus;

FIG. 21 is a schematic sectional view of a part of the structure in the heat pipe bending apparatus;

FIG. 22 is a schematic view of another part of the structure of the heat pipe bending apparatus;

FIG. 23 is a sectional view of a part of the structure of the heat pipe bending apparatus;

FIG. 24 is a schematic structural view of a heat pipe assembly apparatus;

FIG. 25 is a schematic view of a partial structure of the heat pipe assembly apparatus;

fig. 26 is a schematic view of another part of the heat pipe assembly device.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention will now be described in detail with reference to the following examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed. As used herein, the terms "parallel" and "perpendicular" are not limited to their strict geometric definitions, but include tolerances for machining or human error, legibility and inconsistency;

as shown in fig. 1 to 4, the structure of the heat sink includes a plurality of heat dissipation fins a arranged in parallel at intervals, positioning blocks are arranged on two sides of each heat dissipation fin a, the positioning blocks of the plurality of heat dissipation fins a are clamped into a whole and welded to each other, a clamping head a is arranged at one end of each heat dissipation fin a, the clamping head a at the upper end of the welded heat dissipation fins a in multiple rows forms a clamping port of a clamping cover plate B, a clamping groove with a large semicircular section is arranged on the cover plate B, a bent heat pipe C penetrates through the clamping groove, a reserved heat pipe D and a metal pipe E are arranged at one end of each heat dissipation fin, one end of the heat pipe C is inserted into one end of the reserved heat pipe D, and the whole heat sink can be formed and then installed with an LED module.

Specific features of the automatic assembling apparatus for heat pipe fins are described in detail below with reference to fig. 1 to 26:

a heat pipe fin automatic assembly device comprises a heat radiation fin feeding device 100, wherein an outlet of the heat radiation fin feeding device 100 is communicated with an inlet of a welding positioning device 200, a reserved heat pipe installation device 300 is arranged beside the welding positioning device 200, the reserved heat pipe installation device 300 performs welding and fixing on a heat pipe and a heat radiation fin, an outlet of the welding positioning device 200 is connected with a feed inlet of a heat pipe assembly device 400, a heat pipe bending device 500 is arranged beside the heat pipe assembly device 400, the heat pipe bending device 500 performs bending and leading-out on the heat pipe, and the heat pipe assembly device 400 performs splicing on the bent heat pipe and a reserved heat pipe orifice of a welded heat radiation module;

in the process of implementing automatic assembly of the heat pipe, the heat dissipation fin feeding device 100 conducts guiding and conveying of a single heat dissipation fin, the single heat dissipation fin is guided to the welding and positioning device 200, welding and installation of a plurality of groups of heat dissipation fins are conducted, then the reserved heat pipe is guided and installed to the position of the welded heat dissipation fin by the aid of the reserved heat pipe installation device 300, the installed heat dissipation fin is guided to the position of the heat pipe assembly device 400, the heat pipe bending device 500 conducts bending of the heat pipe, then the bent heat pipe and the heat dissipation fin are installed with the reserved heat pipe by the aid of the heat pipe assembly device 400, and further automatic installation of a heat dissipation fin assembly is completed.

As a preferred embodiment of the present invention, a nickel metal tube feeding device 600 is disposed beside the welding positioning device 200, the nickel metal tube feeding device 600 sleeves a nickel metal tube outside a heat tube reserved at an outlet of the heat tube installation device 300, a welding unit is disposed on the welding positioning device 200, and the welding unit performs a welding operation on the outer walls of the heat dissipation fins and the nickel metal tube;

when the heat pipe is installed, the reserved heat pipe installation device 300 guides the unit nickel metal pipe guided out by the nickel metal pipe feeding device 600 to the position of the reserved heat pipe installation device 300, so that the nickel metal pipe is sleeved outside the reserved heat pipe, the nickel metal pipe is attached to the inner wall of the unit heat dissipation fins, the contact area of the unit heat dissipation fins can be effectively increased, and the heat dissipation effect of the unit heat dissipation fins is further improved.

Specifically, the feeding device 100 for the heat dissipation fins comprises a feeding groove plate 110, wherein the feeding groove plate 110 is horizontally arranged, a vertical guide plate 120 is arranged at an outlet of the feeding groove plate 110, a discharge channel 130 is arranged beside the vertical guide plate 120, the vertical guide plate 120 is arranged on a deflection mechanism, and the deflection mechanism drives the vertical guide plate 120 to assume a vertical state and a horizontal state;

the heat dissipation fins of the unit are guided and sent on the feeding groove plate 110 and are guided to the position of the vertical guide plate 120 from the feeding groove plate 110, when the deflection mechanism drives the vertical guide plate 120 to be in a vertical state, the single heat dissipation fin is guided to the position of the discharge channel 130 to stack the heat dissipation fins, so that the plurality of heat dissipation fins can be arranged together in order to ensure the accuracy of welding the heat dissipation fins;

specifically, a pressure head plate 140 is arranged above the feeding trough plate 110, the pressure head plate 140 vertically ascends and descends and vertically pushes the heat dissipation fins at the outlet position of the feeding trough plate 110 into the vertical guide plate 120, and an electromagnetic adsorption mechanism is arranged on the pressure head plate 140 and performs adsorption operation on the single heat dissipation fins;

when the material guiding operation of the single heat dissipation fins on the feeding chute plate 110 is performed, the pressure head plate 140 moves vertically, so that the single heat dissipation fins at the outlet position of the feeding chute plate 110 are guided to the position of the discharging channel 130, and the electromagnetic adsorption mechanism is started to adsorb the single heat dissipation fins, thereby preventing the single heat dissipation fins from falling off the pressure head plate 140.

After the plurality of heat dissipation fins are discharged from the discharge channel 130, a pushing mechanism is disposed beside the discharge channel 130, and the pushing mechanism is used for horizontally pushing the stacked heat dissipation fins to the welding and positioning device 200 for welding and fixing.

The two sides of the outlet position of the feed groove plate 110 are provided with baffle plates 111, the baffle plates 111 are hinged at the outlet position of the feed groove plate 110, the hinged shaft of the baffle plates 111 is horizontal and parallel to the length direction of the feed groove plate 110, the hinged shaft of the baffle plates 111 is sleeved with a torsional spring, the torsional spring enables the surface of the baffle plates 111 to be horizontal, and one end of the hinged shaft of the baffle plates 111 is provided with a vertical baffle plate 112;

when guiding and conveying of single radiating fins are carried out, after the radiating fins are guided out to the feeding groove plate 110 through the punching mechanism, the baffle plate 111 carries out blocking and positioning on the single radiating fins, the pressing head plate 140 is started to move vertically, the torsion spring is overcome, the single radiating fins are guided out, stacking of the radiating fins is further achieved, and welding and installation of multiple groups of radiating fins are completed.

More specifically, an avoiding pressing plate 141 is arranged below the pressure head plate 140, the avoiding pressing plate 141 and the pressure head plate 140 are arranged on the pressure head plate 140 in a parallel and vertical sliding manner, an avoiding spring 142 is arranged between the pressure head plate 140 and the avoiding pressing plate 141, a lifting rod 143 is arranged above the pressure head plate 140, the lifting rod 143 is vertical and provided with a rack, a lifting gear 144 is arranged on the side of the rack of the lifting rod 143 in a meshing manner, and the lifting gear 144 is connected with a lifting motor 145;

when the single heat dissipation fin is guided out, the lifting motor 145 is started to move the head plate 140 up and down, so that the single heat dissipation fin is guided out to the vertical guide plate 120, and the stacking of the plurality of heat dissipation fins is performed, so that the stacking of the heat dissipation fins is orderly.

More specifically, the vertical guide plate 120 is integrally configured in a shape of a slotted plate, an abutting plate 121 is arranged at a slot of the vertical guide plate 120, the abutting plate 121 and the vertical guide plate 120 form a sliding fit along the depth direction of the slot of the vertical guide plate 120, the abutting plate 121 and one side of the slot of the vertical guide plate 120 are connected through an abutting spring 122, an abutting roller 123 is arranged on the abutting plate 121 in a suspending manner, the wheel center of the abutting roller 123 is arranged in parallel with the abutting plate 121, an abutting folding plate 146 is arranged on the head pressing plate 140, the abutting folding plate 146 abuts against or is far away from the abutting roller 123, and the abutting plate 121 and the slot of the vertical guide plate 120 are far away or close;

when the alignment operation of the plurality of heat dissipation fins guided into the vertical guide plate 120 is performed, the above-mentioned head pressing plate 140 moves vertically, so that the abutting folding plate 146 abuts against the abutting roller 123, so that the abutting plate 121 is far away, so that the single heat dissipation fin is stacked in the vertical guide plate 120, and then under the elastic force of the abutting spring 122, the abutting plate 121 abuts against one side of the heat dissipation fin, so that the alignment operation of the heat dissipation fins is performed, it is convenient for the plurality of heat dissipation fins to be aligned by flattening after being arranged on the vertical guide plate 120, and then the deflection mechanism is used to make the vertical guide plate 120 horizontal, so that the plurality of heat dissipation fins are guided out.

More specifically, the deflection mechanism includes a deflection shaft horizontally disposed on one side of the vertical guide plate 120, the deflection shaft is rotatably disposed on the frame, a deflection arm 147 is disposed at one end of the deflection shaft, a deflection rod is disposed on the deflection arm 147, the deflection rod is hinged to a piston rod of a deflection oil cylinder 148, a cylinder body of the deflection oil cylinder 148 is hinged to the frame, and the deflection oil cylinder 148 drives the vertical guide plate 120 to assume a vertical state and a horizontal state;

the deflection cylinder 148 is actuated to rotate the deflection shaft, thereby deflecting the vertically disposed vertical guide plate 120 to a horizontal charge and then push out to the discharge position of the discharge chute 130.

More specifically, in order to implement the guiding out of the plurality of heat dissipation fins, when the length direction of the vertical guide plate 120 is horizontal, one side of the vertical guide plate 120 is provided with a push plate 130, the push plate 130 is vertical, and one side of the push plate 130 is connected with a piston rod of a push cylinder 131, and the piston rod of the push cylinder 131 is horizontal and parallel to the length direction of the vertical guide plate 120;

the pushing cylinder 131 is started to make the pushing plate 130 move horizontally, so that the pushing plate 130 moves horizontally, and the plurality of heat dissipation fins are guided out to the position of the discharging channel 130.

More specifically, the discharging channel 130 is horizontally arranged and is arranged flush with the upper plate surface of the groove bottom of the horizontal vertical guide plate 120, a positioning opening 131 is arranged on the discharging channel 130, a gap maintaining positioning head 132 is arranged in the positioning opening 131, and the gap maintaining positioning head 132 vertically ascends and descends and is inserted into the gap between adjacent heat dissipation fins;

when the alignment operation of the plurality of sets of heat dissipation fins led out to the position of the discharging channel 130 is performed, the gap maintaining positioning head 132 extends out of the positioning opening 131, and the gap maintaining positioning head 132 is led into the gap between the heat dissipation fins, so that the heat dissipation fins maintain equal gaps, and the plurality of sets of heat dissipation fins are arranged in order, so as to ensure the welding operation of the plurality of sets of aligned heat dissipation fins, and ensure the welding accuracy of the heat dissipation fins.

More specifically, the gap-retaining positioning head 132 includes two gap-retaining arms 1321 hinged to each other, hinge shafts of the two gap-retaining arms 1321 are horizontal and form a V-shaped structure with the gap-retaining positioning head 132 as a whole, a torsion spring is sleeved on the hinge shafts of the gap-retaining arms 1321 and the gap-retaining positioning head 132, the torsion spring keeps overhanging ends of the two gap-retaining arms 1321 away from each other, a guide rotating rod 1322 is disposed at a lower end of the gap-retaining positioning head 132, the guide rotating rod 1322 is vertical and is sleeved on the pipe sleeve 133, a spiral groove 1331 is disposed in the pipe sleeve 133, a deflecting convex column 1323 is disposed on the guide rotating rod 1322, the deflecting convex column 1323 extends into the spiral groove 1331, and a lower end of the guide rotating rod 1322 is connected to a piston rod of the gap-retaining cylinder 134;

when the gap maintaining for the plurality of radiator fins is performed, the gap maintaining cylinder 134 vertically moves, so that the guide rotating slide rod 1322 rotates along the pipe sleeve 133, and the guide rotating rod 1322 rotates, so that the gap maintaining positioning head 132 abuts against the adjacent radiator fin, to ensure that equal intervals are maintained between two radiator fins, so that the positions of the welding ends of the radiator fins are aligned with each other, and to ensure the accuracy of welding.

More specifically, the lower end of the guiding rotary slide rod 1322 is rotatably disposed on the holding bracket plate 1325 through a supporting bearing 1324, and the piston rod of the gap holding cylinder 134 is connected to the holding bracket plate 1325;

when the gap maintaining positioning head 132 is vertically driven, in the process that the deflecting convex column 1323 on the guide rotating slide rod 1322 abuts against and slides against the spiral groove 1331, the guide rotating slide rod 1322 rotates, so that the gap maintaining positioning head 132 rotates, and further, the adjacent heat pipe fins keep equal intervals, and the stacking operation of the heat pipe fins is ensured.

Specifically, an avoiding opening 1201 which is staggered with the positioning opening 131 is formed at the bottom of one end groove of the vertical guide plate 120; when the vertical guide plate 120 rotates, the avoiding opening 1201 of the vertical guide plate 120 and the positioning opening 131 form avoiding, so that the vertical guide plate 120 can be ensured to rotate to a horizontal state, the vertical guide plate 120 is ensured to be close to the discharging channel 130, and the heat dissipation fins can be effectively pushed.

More specifically, in order to implement sliding abutting of two sides of the upper heat dissipation fins and conveniently implement position adjustment of the heat dissipation fins, the overhanging ends of the two gap retaining arms 1321 are provided with balls, the balls abut against the plate surfaces of the adjacent heat dissipation fins, one side of the discharge channel 130 is provided with an alignment rod 150, the alignment rod 150 is horizontal and is connected with a lifting mechanism, and the lifting mechanism drives the alignment rod 150 to move up and down and implements alignment operation of one side of the heat dissipation fins.

Specifically, after the gap maintaining positioning head 132 maintains a certain gap between the heat dissipating fins, an end of the discharging channel 130 is provided with a pressing baffle 160, the pressing baffle 160 is vertical and connected to the lifting mechanism, and the lifting mechanism drives the pressing baffle 160 to move vertically and perform a pressing action on an end of the heat pipe fins.

Preferably, the aligning rod 150 is rotatably disposed at one end of the aligning cantilever 151, the other end of the aligning cantilever 151 is hinged to the lifting plate 152, and a torsion spring is sleeved on a hinge shaft of the aligning cantilever 151 and enables the aligning cantilever 151 to face to two side positions of the discharging channel 130;

when the alignment, crimping and alignment operation of one side of the heat sink fins is performed, the lifting plate 152 vertically moves, so that the alignment rod 150 on the alignment cantilever 151 abuts against one side of the heat sink fins, and further the elastic abutment of one side of the heat sink fins is realized until the alignment operation of one side of the heat sink fins is realized.

More specifically, a side plate surface of the extrusion baffle 160 is provided with an extrusion roller 161, a wheel center of the extrusion roller 161 is horizontal and is arranged in parallel with the length direction of the extrusion baffle 160, a wheel carrier of the extrusion roller 161 is horizontally arranged on the extrusion baffle 160 through an extrusion sliding rod 162 in a sliding manner, a rod end of the extrusion sliding rod 162 is horizontally arranged at the upper end of the extrusion baffle 160 in a sliding manner, an extrusion spring 163 is sleeved on a rod body of the extrusion sliding rod 162, two ends of the extrusion spring 163 are respectively abutted against the wheel carriers of the extrusion baffle 160 and the extrusion roller 161, the extrusion baffle 160 is connected with the lifting plate 152, and the lifting mechanism comprises a lifting cylinder 170 connected with the lifting plate 152;

when one end of the heat dissipation fins is pressed against the heat dissipation fins, the lifting cylinder 170 moves vertically, and the bible plate 152 is lifted, so as to lift the pressing baffle 160, and then the pressing roller 161 is pressed against one side of the heat dissipation fins, under the elastic pressing force of the pressing spring 163, the pressing roller 161 presses one side of the heat dissipation fins, and further, the alignment and pressing operation of the heat dissipation fins is performed.

More specifically, a compressing rod 180 is arranged above the discharging channel 130, the compressing rod 180 is horizontal in the length direction, two ends of the compressing rod 180 are rotatably connected with one end of a compressing arm 181, the other end of the compressing arm 181 is hinged to a deflecting arm 182, a compressing torsion spring is sleeved on a hinged shaft of the compressing arm 181, the compressing torsion spring enables the compressing rod 180 on the compressing arm 181 to be close to one end of the deflecting arm 182, the deflecting arm 182 is rotatably arranged on a deflecting frame, a reset torsion spring is arranged on a rotating shaft of the deflecting arm 182, the deflecting arm 182 is inclined by the reset torsion spring, a first connecting rod 183 is hinged to the inclined lower end of the deflecting arm 182, the other end of the first connecting rod 183 is hinged to a first end of a second connecting rod 184, and the other end of the second connecting rod 184 is hinged to the lifting plate 152;

when the alignment and flattening operation of the upper ends of the multiple groups of heat dissipation fins is performed, the lifting cylinder 170 drives the lifting plate 152 to ascend, so as to link the first connecting rod 183 and the second connecting rod 184, so as to make the deflection arm 182 deflect around the shaft, after the deflection arm 182 deflects, the pressing rod 180 abuts against one side of the heat dissipation fins, so as to perform the pressing and alignment operation of the two sides of the heat dissipation fins, after the lifting cylinder 170 resets, the lifting plate 152 descends, and under the reset force of the reset torsion spring, the deflection arm 182 deflects, so as to reset the pressing rod 180, the pressing operation of the pressing rod 180 on the upper ends of the heat dissipation fins is released, so that the welding positions of the multiple groups of heat dissipation fins are aligned, and the welding accuracy of the heat dissipation fins is ensured.

More specifically, in order to horizontally push the positioned heat dissipation fins, so that the aligned heat dissipation fins are pushed into the welding and positioning device 200, and to perform welding operation on multiple groups of heat dissipation fins by using the welding unit, the welding and positioning device 200 includes a push cylinder 210 disposed at one side of the discharge channel 130, the push cylinder 210 is horizontal and is arranged perpendicular to the length direction of the discharge channel 130, a positioning plate 220 is disposed in the push direction of the push cylinder 210, a positioning head 230 is disposed below the positioning plate 220, and the positioning head 230 performs clamping while maintaining equal intervals between the multiple groups of heat dissipation fins;

the positioning head 230 vertically moves, and the positioning head 230 extends into the gap between adjacent heat dissipation fins, so as to perform the clamping operation on multiple groups of heat dissipation fins, thereby completing the clamping of the heat dissipation fins and facilitating the subsequent further processing.

A positioning compression rod 240 is arranged above the positioning plate 220, the positioning compression rod 240 is horizontal and is arranged in parallel with the positioning plate 220, the positioning compression rod 240 is rotatably arranged at one end of a positioning cantilever 241, the other end of the positioning cantilever 241 is rotatably arranged on a positioning rack, a positioning torsion spring is arranged at the rotating end of the positioning cantilever 241, and the positioning torsion spring enables the positioning compression rod 240 to be suspended downwards;

the positioning pressing rod 240 is rotatably disposed on the positioning cantilever 241, and the positioning pressing rod 240 elastically abuts against the upper end of the heat dissipating fin through the positioning torsion spring, so as to press the heat dissipating fin, and further align the heat dissipating fin.

In order to ensure the alignment operation of the plurality of heat dissipation fins, positioning pressing plates 250 are disposed at two ends of the positioning plate 220, and the positioning pressing plates 250 are close to each other and perform a clamping operation on the heat dissipation fins on the positioning plate 220;

the positioning pressing plates 250 at the two ends of the heat dissipating fins move synchronously and oppositely, so as to compress the two ends of the heat dissipating fins, and the heat dissipating fins are welded and subsequently processed at equal intervals.

The positioning head 230 is composed of two positioning clamping blocks 231 arranged in parallel at intervals, the positioning clamping blocks 231 are arranged on a positioning slide rod 232 in a sliding mode, the length direction of the positioning slide rod 232 is horizontal and sleeved with a positioning spring 233, two ends of the positioning spring 233 are respectively connected with the positioning clamping blocks 231, jacking blocks 234 are arranged between the positioning clamping blocks 231, the jacking blocks 234 vertically move, and plate surfaces on two sides abut against the outer side plate surfaces of the positioning blocks 231 to separate or keep away the two positioning clamping blocks 231;

in the process of the vertical movement of the jacking block 234, the two side plate surfaces abut against the outer side plate surfaces of the positioning blocks 231, so that the positioning clamping block 231 slides along the positioning slide rod 232 to open the two positioning blocks 231, thereby separating the heat dissipation fins.

More specifically, when the separating and clamping operations of the two positioning blocks 231 are performed, a first inclined surface 2311 is arranged on the opposite surface of the positioning clamping block 231, second inclined surfaces 2341 are arranged on the two sides of the lifting block 234, and the second inclined surfaces 2341 are matched with the first inclined surfaces 2311;

in the process of the vertical movement of the lifting block 234, the second inclined surface 2341 abuts against the first inclined surface 2311, so that the two positioning blocks 231 are opened and closed, and the adjacent heat dissipation fins are clamped and positioned, thereby ensuring the subsequent further processing.

The two ends of the positioning slide rod 232 are connected into a whole through a connecting support plate, the connecting support plate is connected with a positioning driving rod 235, the positioning driving rod 235 is vertical and provided with a rack, the rack is meshed with a positioning gear 236, the positioning gear 236 is connected with a positioning motor 237, the jacking block 234 is vertically and slidably arranged on the connecting support plate, a jacking oil cylinder 238 is arranged on the connecting support plate, and a piston rod of the jacking oil cylinder 238 is vertically arranged;

in the process of implementing vertical driving on the positioning slide rod 232, the jacking oil cylinder 238 is started to enable the positioning slide rod 232 to vertically move so as to implement separation and cage closing operations on the heat dissipation fins;

the connecting support plate is provided with a jacking roller 256, one end of the positioning cantilever 241 is provided with a driving deflection arm 242, and in the vertical lifting process of the jacking block 234, the positioning pressure rod 240 deflects and abuts against the upper end of the heat dissipation fins, so that the alignment operation of the heat dissipation fins is implemented, and the welding and punching reliability is further ensured.

More specifically, in order to perform the punching operation on the heat dissipation fins, the two positioning clamping blocks 231 are respectively provided with a first positioning hole 2312, the positioning pressing plate 250 is provided with a second positioning hole 251, and the first positioning hole 2312 and the second positioning hole 251 are concentrically arranged;

the positioning pressing plate 250 is arranged on the frame body through a sliding rod 252, a spring 253 is sleeved on the sliding rod 252, wedge blocks 254 are arranged on two sides of the positioning pressing plate 250, positioning rollers 255 are arranged on the outer sides of the wedge blocks 254, the positioning rollers 255 abut against the wedge blocks 254, the positioning rollers 255 are connected with a lifting cylinder 257, and the lifting cylinder 257 is started to enable the positioning rollers 255 to move upwards, so that the positioning pressing plate 250 is approached to align the positions of two ends of the heat dissipation fins;

when the punching operation of multiple groups of clamped and positioned heat dissipation fins is performed, the reserved heat pipe installation device 300 includes a drilling head 310 arranged at one end of the positioning plate 220, the drilling head 310 is horizontal and connected with a drilling driving mechanism, the drilling driving mechanism drives the drilling head 310 to rotate, the drilling driving mechanism is arranged on a translation mechanism, and the translation mechanism drives the drilling head 310 to move horizontally and performs the drilling operation of the heat dissipation fins;

the drilling driving mechanism drives the drilling head 310 to perform the drilling operation on one side of the heat dissipation fins, the drilling head 310 is enabled to move horizontally under the driving force of the translation mechanism, the drilling operation on the heat dissipation fins is further performed, and the heat pipe and the nickel metal pipe are installed on the heat dissipation fins after the drilling operation.

More specifically, in order to further increase the contact area between the nickel metal tube and the heat dissipation fins and improve the heat dissipation efficiency of the heat dissipation fins, a notch cross blade 320 is sleeved outside the drilling head 310, the notch cross blade 320 and the drilling head 310 are concentrically arranged, the notch cross blade 320 and the drilling head 310 move synchronously and perform opening operation on the drilling edge of the heat dissipation fins;

after the drill head 310 horizontally moves through the second positioning hole 251 on the positioning pressing plate 250, the drilling driving mechanism is started to perform the drilling operation on the heat dissipation fins, and the notch cross blade 320 performs the opening operation on the heat dissipation fins, so that the opening positions on the heat dissipation fins are extruded and turned over edges are generated in the horizontal movement process of the drill head 310, and the turned over edges are combined with the outer wall of the nickel metal tube, thereby effectively increasing the contact area of the heat dissipation fins and improving the heat dissipation efficiency.

More specifically, when the drilling operation of the heat dissipation fins is performed, the drilling head 310 is in a tubular structure, a waste material leading-out rod 330 is arranged in a tube cavity of the drilling head 310, and after the drilling head 310 is reset, the waste material leading-out rod 330 is used for leading out waste materials;

after the drill head 310 performs the drilling operation on the heat dissipation fins, the waste material discharge rod 330 slides along the drill head 310, so as to discharge the heat dissipation fins in the drill head 310, thereby completing the waste material discharge operation.

When the drilling operation of the drilling head 310 is performed, one end of the drilling head 310 is rotatably arranged on the drilling machine frame 312 through the supporting bearing 311, the drilling driving mechanism comprises a gear 313 arranged at one end of the drilling head 310, the gear 313 is meshed with a driving gear 314, and the driving gear 314 is connected with a drilling motor 315;

the drilling motor 315 is started to drive the drilling driving mechanism to rotate the drilling head 310, so as to perform the drilling operation on the heat dissipation fins.

The translation mechanism comprises a translation nut 3121 arranged on the drilling rack 312, a translation screw 3122 is arranged in the translation nut 3121, the translation screw 3122 is parallel to the length direction of the drilling head 310, and one end of the translation screw 3122 is connected with a translation motor 3123;

the translation motor 3123 is activated to translate the drill carriage 312 along the translation screw 3122, thereby performing translation of the rotating drilling head 310 until the drilling operation of the heat fins is performed.

More specifically, a driving sleeve 321 is arranged at the rear end of the incision cross blade 320, a thrust bearing 322 is arranged at the pipe orifice of the driving sleeve 321, a material driving ring 316 is arranged on the pipe body of the drilling head 310, and the material driving ring 316 abuts against one end of the thrust bearing 322;

the driving sleeve 321 is additionally arranged at the rear end of the notch cross blade 320, a thrust bearing 322 is arranged at the pipe orifice of the driving sleeve 321, and further, in the process of horizontal movement of the drilling head 310, when the material driving ring 316 abuts against one end of the thrust bearing 322, the drilling head 310 can normally rotate, and the driving sleeve 321 and the notch cross blade 320 are linked to synchronously and horizontally move, so that the notch operation of the heat dissipation fins where the first positioning holes 2312 on the positioning clamping block 231 are located is implemented, and the flanging operation of the heat dissipation fins after notch is implemented by using the driving sleeve 321, so that the flanging operation of the punching machine of the heat dissipation fins is completed.

More specifically, when the drilling and reaming operation for the heat dissipation fins is performed, one end of the notched cross blade 320 is large, and the other end is small, the small-sized end of the notched cross blade 320 presents a blade-shaped structure, the notched cross blade 320 extends backwards and presents a tubular connection, the tubular structure formed at the rear end of the notched cross blade 320 is concentrically arranged with the thrust bearing 322, and the outer diameter of the tubular structure formed at the rear end of the notched cross blade 320 is larger than the outer diameter of the thrust bearing 322;

in the process of the horizontal movement of the cross-cut blade 320, the small-sized end of the cross-cut blade 320 performs the opening operation on the heat dissipation fins, and further opening operation on the heat dissipation fins is performed along with the movement of the cross-cut blade 320, so that further hole expanding and flanging operation is facilitated.

When the opening is operated, the welding unit performs welding on the plurality of groups of radiating fins, the welding unit comprises a welding head, and the welding head moves along the track to enable the welding head to move against the radiating fins, so that the welding operation on the plurality of groups of arranged radiating fins can be effectively performed.

The nickel metal pipe feeding device 600 comprises a material guiding rail 610 arranged on one side of a positioning plate 220, wherein the material guiding rail 610 is obliquely arranged, a positioning arc plate 620 is arranged at the lower end of the material guiding rail 610, the positioning arc plate 620 is horizontally arranged in the length direction and is vertically arranged in the length direction of the material guiding rail 610, a heat pipe rail 630 is arranged on the other side of the positioning plate 220, a guiding arc plate 640 is arranged at the lower end of the heat pipe rail 630, the guiding arc plate 640 is parallel and concentrically arranged with the positioning arc plate 620, the reserved heat pipe installation device 300 further comprises a first installation pipe 340, the first installation pipe 340 is horizontally arranged in parallel with the guiding arc plate 640, the first installation pipe 340 is connected with an installation driving unit, the installation driving unit drives the first installation pipe 340 to horizontally move and is interlocked with the reserved heat pipe to be inserted into the holes of the heat dissipation fins, the reserved heat pipe installation device 300 further comprises a second installation pipe 350, the second mounting pipe 350 is horizontal and arranged in parallel with the positioning arc plate 620, the second mounting pipe 350 is connected with a power unit, and the power unit drives the second mounting pipe 350 and is linked with a nickel alloy pipe to be sleeved outside the hot pipe;

after the punching operation of the heat dissipation fins is finished, the installation driving unit drives the first installation pipe 340 to move horizontally and is linked with the reserved heat pipe to be inserted into the holes of the heat dissipation fins, then the power unit drives the second installation pipe 350 and is linked with the nickel alloy pipe to be sleeved outside the heat pipe, so that the punching flanges of the heat dissipation fins are abutted against the outside of the nickel alloy pipe, the contact area between the punching flanges and the heat dissipation fins is increased, and the heat dissipation efficiency is improved.

In order to clamp one end of the heat pipe, a positioning elastic sheet 341 is arranged on the first installation pipe 340 in a horizontal manner, the positioning elastic sheets 341 are arranged in parallel with the first installation pipe 340 and are arranged at intervals along the circumferential direction of the first installation pipe 340, and the positioning elastic sheets 341 abut against the inner wall of the heat pipe;

when the first mounting tube 340 moves horizontally, the first mounting tube 340 is inserted into one end of the heat pipe, and the positioning elastic sheet 341 abuts against the inner wall of the heat pipe, so that the heat pipe is accurately positioned, and the heat pipe is inserted into the through hole of the heat dissipation fin in a horizontally fixed state.

More specifically, in order to implement horizontal movement of the heat pipe, the outer wall of the first installation pipe 340 is provided with a first insertion ring 342, the first insertion ring 342 abuts against one end of the heat pipe and is linked with the heat pipe to be inserted into the hole of the heat dissipation fin, a pipe orifice at one end of the arc guide plate 640 is provided with a first baffle 641, when the first installation pipe 340 and the heat pipe form insertion fit, the first baffle 641 implements blocking of one end of the heat pipe, and when the first insertion ring 342 abuts against one end of the heat pipe, the first baffle 641 is far away from one end of the heat pipe;

in the process of inserting the heat pipe into the first installation pipe 340, in order to prevent the first installation pipe 340 from being randomly led out from the arc guiding plate 640, the first baffle 641 is used to limit one end of the heat pipe until the first installation pipe 340 can be accurately inserted into the pipe cavity of the heat pipe, so as to accurately position the heat pipe and ensure that the heat pipe can be accurately inserted into the drill hole of the heat dissipation fin.

Specifically, in order to horizontally drive the first mounting tube 340, a first supporting arm 343 is disposed at one end of the first mounting tube 340, the mounting driving unit includes a first nut 3431 disposed on the first supporting arm 343, the first nut 3431 is connected to a first lead screw 3432, the first lead screw 3432 is parallel to the first mounting tube 340, and one end of the first lead screw 3433 is connected to the first motor 3432.

More specifically, after the first mounting tube 340 is inserted into one end of the heat pipe, and the heat pipe can be effectively guided out of the guide arc plate 640, the first baffle 641 is vertically slidably disposed on the frame, the first baffle 641 and the frame are connected through a first spring 642, the first arm 343 is provided with a first roller 344 in an extending manner, the first baffle 641 is provided with a first flap 643, and the first roller 344 abuts against or separates from the first flap 643;

when the first roller 344 abuts against the first folding plate 643, the first blocking plate 641 descends and separates from one end of the arc guiding plate 640 to horizontally guide the heat pipe out of the arc guiding plate 640.

More specifically, the tube cavity of the second mounting tube 350 is stepped, the tube mouth end of the second mounting tube 350 is a large-size end and is in plug fit with the nickel alloy tube, the large-size end of the second mounting tube 350 is provided with a strip-shaped opening, a positioning clamping piece 351 is arranged in the strip-shaped opening, the positioning clamping piece 351 is arranged along the length direction of the second mounting tube 350, and a plurality of positioning clamping pieces 351 are arranged along the circumferential direction of the second mounting tube 350;

in order to implement the operations of inserting the nickel alloy tube into the drill hole of the heat dissipation fin and sleeving the heat pipe, the second mounting tube 350 horizontally moves, so that the second mounting tube 350 is sleeved on the outer wall of the nickel alloy tube in a penetrating manner, and the positioning clamping piece 351 implements the clamping operation on the outer wall of the nickel alloy tube, thereby implementing the clamping operation on the outer wall of the nickel alloy tube and further implementing the positioning operation on the nickel alloy tube.

More specifically, in order to ensure that the second mounting tube 350 can be accurately and reliably sleeved on the outer wall of the nickel metal tube, a second baffle 621 is arranged at one end of the positioning arc plate 620, the second baffle 621 blocks one end of the nickel alloy tube, and when the step position of the second mounting tube 350 is abutted against one end of the nickel alloy tube, the second baffle 621 is far away from one end of the nickel alloy tube;

when the step position of the second mounting tube 350 abuts against one end of the nickel alloy tube, the second stopper 621 is away from one end of the nickel alloy tube, so that the nickel metal tube can be guided out.

In order to implement the horizontal movement of the second mounting pipe 350 and the horizontal movement of the nickel alloy pipe, a second arm 352 is arranged at the nozzle of the second mounting pipe 350, the power unit comprises a second nut 3521 arranged on the second arm 352, the second nut 3521 is connected with a second lead screw 3522, the second lead screw 3522 is parallel to the second mounting pipe 350, and one end of the second lead screw 3522 is connected with a second motor 3523;

specifically, the second baffle 621 is vertically and slidably arranged on the material blocking frame, the second baffle 621 is connected with the material blocking frame through a second spring 622, the second support arm 352 extends to form a second roller 353, the second baffle 621 is provided with a second flap 623, and the second roller 353 and the second flap 623 abut against or are separated from each other;

in the process of horizontal movement of the first supporting arm 352, the second roller 353 abuts against the second folding plate 623, so that the second baffle 621 is far away from one end of the nickel alloy pipe, and the nickel alloy pipe can be led out normally;

the second baffle 621 is arranged on the material blocking rack in a sliding mode through a separating sliding rod 6211, a separating electric cylinder 6212 is arranged on the material blocking rack, a piston rod of the separating electric cylinder 6212 is connected with the second baffle 621, after the nickel alloy pipe is conveyed to the positioning arc plate 620, the separating electric cylinder 6212 is started, the nickel alloy pipe extends out of one end of the positioning arc plate 620, one end of the nickel alloy pipe is inserted and connected, a separating sheet 6213 is arranged on the material blocking rack, adjacent nickel alloy pipes are separated, and horizontal guiding and conveying of the nickel alloy pipe are achieved.

More preferably, after the nickel alloy tube and the heat pipe are mounted on the heat sink fins, the positioning plate 220 is provided with a material guiding strip 260, and the material guiding strip 260 is used for guiding the formed and welded heat sink fins to the position of the heat pipe assembling device 400;

the heat conduction band 260 conducts the formed heat dissipation fins to the position of the heat pipe assembly apparatus 400, so as to implement the subsequent installation of the bent heat pipe and the reserved heat pipe.

More specifically, a heat-dissipating fin cover plate feeding mechanism is arranged beside the heat pipe bending device 500, the heat-dissipating fin cover plate feeding mechanism is used for guiding out a heat-dissipating fin cover plate, and a clamping groove for clamping a heat pipe is arranged on the upper plate surface of the heat-dissipating fin cover plate;

before the installation of the bent heat pipe and the reserved heat pipe orifice is implemented, the heat pipe is required to be installed in the clamping groove on the radiating fin cover plate, after the radiating fin is installed, the radiating fin cover plate is covered at the upper end position of the assembled radiating fin, so that the heat pipe is inserted into the reserved heat pipe orifice on the radiating fin, the heat generated by the LED module is firstly transferred to the cover plate position, and the heat is transferred into the radiating fin through the heat pipe, and the radiating efficiency of the LED module can be effectively improved;

after the heat pipe is arranged on the radiating fin cover plate, the radiating fin cover plate is arranged at the position of the radiating fin, and then the installation operation of the radiating fin is implemented.

More specifically, the heat pipe bending apparatus 500 includes a heat pipe feeding head 510, a material guiding pipe 520 is disposed at an outlet of the heat pipe feeding head 510, the material guiding pipe 520 is horizontal and close to one end of a clamping groove of a heat dissipation fin cover plate, and the heat pipe feeding head 510 guides a plurality of groups of heat pipes into the clamping groove of the heat dissipation fin cover plate;

when the heat pipes are guided, the heat pipe feeding head 510 guides the single heat pipe into the material guiding pipe 520, and the material guiding pipe 520 guides the single heat pipe into the clamping groove of the cover plate of the heat dissipation fin, so as to feed the heat pipe.

More specifically, a head plate 530 is further arranged beside the discharge port of the heat-dissipating fin cover plate feeding mechanism, the head plate 530 is used for aligning the heat pipe orifices led out from the heat pipe feeding head 510, a limiting wheel 541 is arranged beside the head plate 530, a wheel train of the limiting wheel 541 is horizontally arranged and is perpendicular to the material guide pipe 520, a forming roller 542 is arranged above the limiting wheel 541, the forming roller 542 is arranged in parallel with the limiting wheel 541, a wheel rim is abutted and attached, the forming roller 542 is connected with a deflection forming mechanism, and the deflection forming mechanism drives the forming roller 542 to perform a 90-degree deflection action;

the material guiding pipe 520 guides a plurality of heat pipes to one end of the clamping groove of the radiating fin cover plate, and the heat pipes are abutted against the baffle plate 530 from the other end of the clamping groove, so that alignment of one end of each heat pipe is implemented, the heat pipes are guided to a position between the forming roller 542 and the limiting wheel 541, then the deflecting mechanism is started, so that the forming roller 542 is deflected by 90 degrees, and then bending action of 90 degrees is implemented on one end of each heat pipe, the bent ends of the heat pipes are inserted into one end of a reserved pipe on the radiating fins, and the inserting action of the heat pipes and the pipe openings of the reserved heat pipes is implemented.

More specifically, the deflection forming mechanism includes a deflection arm 543 rotatably connected to a core of the limiting wheel 541, the deflection arm 543 is perpendicular to the core of the limiting wheel 541, the forming roller 542 is rotatably disposed at the other end of the deflection arm 543, a torsion spring is disposed at a position where the core of the limiting wheel 541 rotatably connects to the core of the deflection arm 543, and the torsion spring makes the forming roller 542 located above the limiting wheel 541;

in a normal state, the forming roller 542 is disposed above the limiting wheel 541, so that the heat pipe can be clamped between the forming roller 542 and the limiting wheel 541, thereby facilitating a subsequent bending operation.

More preferably, in order to improve the bending tolerance of the heat pipe, a strip-shaped hole 5431 is formed in the deflecting arm 543, the strip-shaped hole 5431 is arranged along the length direction of the deflecting arm 543, an axle of the forming roller 542 is slidably arranged in the strip-shaped hole 5431, a deflecting spring 5432 is arranged in the strip-shaped hole 5431, and two ends of the deflecting spring 5432 are respectively abutted to one end of the strip-shaped hole 5431 and the axle of the forming roller 542.

More specifically, a deflection plate 544 is arranged on the deflection arm 543, the deflection plate 544 is arranged perpendicular to the deflection arm 543, the deflection forming mechanism further comprises a deflection driving wheel 545 arranged below the deflection plate 544, the deflection driving wheel 545 is parallel to the forming roller 542, the deflection driving wheel 545 is connected with a piston rod of a deflection driving cylinder 546, the piston rod of the deflection driving cylinder 546 is arranged vertically, and a rim of the deflection driving wheel 545 abuts against or is separated from the deflection plate 544;

when the deflection driving of the deflection arm 543 is performed, the deflection driving wheel 545 moves vertically and abuts against the deflection plate 544, so that the deflection plate 544 rotates, the deflection arm 543 rotates, and the deflection arm 543 can rotate by 90 °, so that the 90 ° bending operation of the heat pipe between the forming roller 542 and the limiting wheel 541 is performed.

Preferably, the wheel shaft of the limiting wheel 541 is rotatably disposed on the deflection bracket 547, the deflection bracket 547 is provided with a deflection nut 5471, a deflection screw 5472 is disposed in the deflection nut 5471, the deflection screw 5472 is disposed in parallel with the length direction of the material guide tube 520, and one end of the deflection screw 5472 is connected to a deflection motor 5473;

the forming rollers 542 and the limiting wheels 541 are correspondingly arranged on the multiple groups of heat pipes, wheel shafts of the limiting wheels 541 are rotatably arranged on the deflecting bracket 547, the respective deflecting screw rods 5472 have different screw pitches, the respective deflecting nuts 5471 are also different, and the deflecting motors 5473 are started to synchronously drive the multiple groups of deflecting screw rods 5472 so as to synchronously move the deflecting bracket 547 until the multiple groups of continuous rotating brackets 547, the forming rollers 542 and the limiting wheels 541 are staggered with each other until the secondary bending operation is performed on different positions of the respective heat pipes, so that certain displacement is generated at the bending position until the pipe orifices of the heat pipes and one ends of the reserved heat pipes on the heat radiating fins form a splicing fit.

More specifically, in order to implement the secondary bending of the heat pipe, a deflection wheel 548 is further disposed below the deflection screw 5472, the deflection wheel 548 is arranged in parallel with a wheel core of the deflection driving wheel 545, the deflection wheel 548 is connected with a piston rod of a power cylinder 549, the piston rod of the power cylinder 549 is arranged vertically, and the deflection wheel 548 abuts against or is separated from the deflection plate 544.

After the heat pipe is guided and bent, a pipe slice 550 is arranged at the outlet position of the material guide pipe 520, the pipe slice 550 is arranged perpendicular to the material guide pipe 520, and the pipe slice 550 performs a cutting operation on the heat pipe along a direction perpendicular to the length direction of the material guide pipe 520, so that the other end of the heat pipe is kept flush;

when the three groups of heat pipes are cut off, the pipe slices are arranged on the slice arm 551, the slice arm 551 is rotatably arranged on the slice rack 554, a torsion spring is sleeved on a rotating shaft of the slice arm 551, the torsion spring enables the pipe slices 550 to be arranged beside the pipe slices, a poking arm 552 is arranged on the slice arm 551, the poking arm 552 abuts against a poking roller 553, and the poking roller 552 is connected with a poking oil cylinder 555;

after the toggle oil cylinder 555 is started, the slicing arm 551 is positioned on the slicing frame 554 to rotate, so that the heat pipe slicing operation is performed, a roller is arranged at one end of the pipe slicing piece 550, the roller is arranged on the slicing arm 551 and is connected with the roller through a belt, and a plurality of rollers are connected through a motor, so that the pipe slicing piece 550 is driven to synchronously rotate, and the heat pipe slicing operation is performed;

in order to separate the bent heat pipe from the heat pipe bending device 500, a separation block 561 is arranged on a rotating shaft block of the forming roller 542, a separation head 562 is arranged below the separation block 561, the separation head 562 is connected with a piston rod of a separation oil cylinder 563, the bent heat pipe is separated from an opening between the forming roller 542 by starting the separation oil cylinder 563, a separation nut is arranged on the heat pipe bending device 500 and connected with a separation lead screw 572, one end of the separation lead screw 572 is connected with a separation motor 573, the whole heat pipe bending device 500 is separated from the heat pipe by starting the separation motor 573, and the cover plate and the bent heat pipe are conveniently assembled with the heat dissipation fins.

Preferably, a cover plate guiding mechanism is disposed at an outlet of the cooling fin cover plate feeding mechanism, the cover plate guiding mechanism is configured to guide the bent heat pipe and the cover plate to a position of the cooling fin which is reserved for assembly above the heat pipe installation device 300, and the heat pipe assembly device 400 is configured to implement installation of the cover plate, the bent heat pipe and the assembled cooling fin.

After the heat pipe is bent, inserting installation of the bent heat pipe head and a reserved heat pipe orifice on the heat dissipation fin needs to be performed, the heat pipe assembling device 400 comprises an assembling pushing head 410, the assembling pushing head 410 is used for driving the cover plate to move horizontally, a heat pipe separating head 420 is arranged beside the assembling pushing head 410, the heat pipe separating head 420 is used for separating and poking the heat pipe and enabling the position of the bent head to correspond to the position of the reserved heat pipe orifice on the heat dissipation fin, and when the assembling pushing head 410 drives the cover plate to move horizontally, the bent head of the heat pipe and the reserved heat pipe orifice on the heat dissipation fin form inserting matching;

the assembling and pushing head 410 drives the heat dissipation fin cover plate to move horizontally, so that the cover plate is installed at the upper end of the heat dissipation fin and clamped and fixed, the heat pipe separation head 420 separates the plurality of bent heat pipes, so that the pipe heads of the heat pipes correspond to the reserved heat pipe orifices on the heat dissipation fins, and then the pipe heads of the heat pipes are inserted into the reserved heat pipe orifices on the heat dissipation fins, so that the installation operation of the heat pipes and the heat dissipation fins is realized.

When the inserting fit of the heat pipe head and the pipe orifice of the reserved heat pipe is implemented, the heat pipe separation head 420 comprises a plurality of groups of separation sheets 421 arranged at intervals, the surfaces of the separation sheets 421 are arranged vertically and at intervals, the separation sheets 421 are connected with a separation power mechanism, the separation power mechanism drives the separation sheets 421 to move horizontally and to be inserted into the gaps between the adjacent heat pipes, the separation sheets 421 are inserted into the gaps between the adjacent heat pipes and rotate, and the separation sheets 421 rotate to implement the rotation of the plurality of groups of heat pipes on the cover plate and enable the pipe heads of the heat pipes to correspond to the pipe orifices of the reserved heat pipes on the heat dissipation fins;

when the heat pipes which are parallel to each other are separated, the separating sheet 421 is inserted into the gap between the adjacent heat pipes and rotates, so that the two sides of the separating sheet 421 are abutted against the outer walls of the heat pipes, the bent ends of the heat pipes and the pipe orifices of the heat pipes reserved on the heat dissipation fins form an insertion fit, and the heat pipes and the pipe orifices of the heat pipes reserved on the heat dissipation fins form an insertion fit.

More preferably, a separation slide rod 422 is arranged on the separation sheet 421, a separation shifting block 4221 is arranged on the separation slide rod 422, the separation slide rod 422 and the separation sleeve 423 form a sliding fit, a separation spiral groove 4231 is arranged on the inner wall of the separation sleeve 423, and the separation shifting block 4221 and the separation spiral groove 4231 form an insertion fit;

when the operation of deflecting the separating sheet 421 is performed, the heat pipe is deflected, and the separating dial 4221 slides along the separating spiral groove 4231, so that the separating sheet 421 is deflected, and the bent end of the heat pipe corresponds to the position of the heat dissipating fin where one end of the heat pipe is reserved.

More preferably, a release bearing 424 is arranged at one end of the release slide rod 422, the release bearing 424 is rotatably arranged on the release plate 425, the release power mechanism drive comprises a release motor 426, the release motor 426 is connected with a release screw 4262, a release nut 4261 is arranged on the release plate 425, the release screw 4262 is connected with the release nut 4261, and the release screw 4262 is arranged in parallel with the moving direction of the pushing head 410;

when the separation motor 426 is started, one end of the separation sliding rod 422 is positioned on the separation bearing 424 to rotate, so that the deflection operation of the separation sheet 421 is implemented, and the insertion of the reserved heat pipe orifice on the heat dissipation fin is further realized.

More preferably, a support plate is vertically arranged at one end of the separating sheet 421, the separating slide bar 422 and the support plate form a sliding fit, a separating spring 427 is sleeved on the separating slide bar 422, and two ends of the separating spring 427 are respectively abutted to flanges on the support plate and the separating slide bar 422;

after the separation cylinder 426 is started, the separation sheet 421 abuts against the plate surface on one side of the heat dissipation fins, and the separation spring 427 is compressed to form deflection avoidance to the separation sheet 421, and the insertion and matching of the bent end of the heat pipe and one end of the heat pipe reserved on the heat dissipation fins can be implemented;

the insertion installation of one end of the heat pipe reserved for the heat dissipation fins and the bent end of the heat pipe is implemented, an assembling pressing plate 428 is arranged on the separation sliding rod 422, and the assembling pressing plate 428 and the pipe head of the heat pipe form abutting and separation matching;

the assembly pressing plate 428 moves horizontally, so that the horizontal movement of the bent end can be effectively implemented until the heat pipe is pushed to the heat pipe fins to be assembled with the heat pipe orifices in a plugging manner.

When the heat dissipation fins of the heat dissipation fin backing plate are installed and the heat pipe elbows are inserted into the heat pipe orifices reserved on the heat dissipation fins, the whole assembly is installed, and after the assembly is installed, the assembly is conveyed into next production equipment, and the LED module and the radiator assembly are further installed, so that the LED module and the radiator are installed.

The automatic assembling method of the heat pipe fin comprises the following steps:

firstly, after a single radiating fin is produced by equipment, the single radiating fin is led out to a radiating fin feeding device 100, and a plurality of radiating fins are led out to a welding positioning device 200 by the radiating fin feeding device 100;

secondly, starting the welding and positioning device 300 to stack a plurality of radiating fins in order, so that the plurality of radiating fins keep equal intervals;

thirdly, starting the welding unit to perform welding operation on the plurality of radiating fins so that the plurality of radiating fins are connected into a whole;

fourthly, starting the drilling head 310 of the reserved heat pipe installation device 300 to perform drilling operation on the heat dissipation fins;

fifthly, horizontally pushing out the welded and drilled heat dissipation fins to the positions of a first installation pipe 340 and a second installation pipe 350 of the reserved heat pipe installation device 300;

sixthly, starting an installation driving unit of the reserved heat pipe installation device 300 to enable the first installation pipe 340 to horizontally move and interlock the reserved heat pipe to interpolate in the drill holes of the heat dissipation fins;

seventhly, starting a power unit of the reserved heat pipe installation device 300 to enable the second installation pipe 350 to horizontally move and to be linked with the nickel metal pipe to be sleeved outside the heat pipe so as to implement installation operation of the nickel metal pipe, the heat pipe and the heat dissipation fins;

eighthly, starting the conducting strip 260 on the welding positioning device 200, and guiding the heat dissipation fins to the position of the heat pipe assembly device 400;

ninthly, starting a radiating fin cover plate feeding mechanism, guiding a single radiating fin cover plate to the side of the heat pipe bending device 500, and starting the heat pipe bending device 500 to bend the heat pipe;

tenth, the assembling pushing head 410 of the heat pipe assembling device 400 is started, and the bent end of the heat pipe and the reserved pipe ends of the heat dissipation fins form an inserting fit to complete the assembling of the heat dissipation assembly.

Claims

1. A heat pipe fin automatic assembly equipment which characterized in that: the welding device comprises a radiating fin feeding device (100), wherein an outlet of the radiating fin feeding device (100) is communicated with an inlet of a welding positioning device (200), a reserved heat pipe installation device (300) is arranged beside the welding positioning device (200), the reserved heat pipe installation device (300) performs welding and fixing on a heat pipe and a radiating fin, an outlet of the welding positioning device (200) is connected with a feed inlet of a heat pipe assembly device (400), a heat pipe bending device (500) is arranged beside the heat pipe assembly device (400), the heat pipe bending device (500) performs bending and leading-out on the heat pipe, and the heat pipe assembly device (400) performs splicing on the bent heat pipe and a reserved heat pipe orifice of a welded radiating module;

a nickel metal pipe feeding device (600) is arranged beside the welding positioning device (200), the nickel metal pipe feeding device (600) sleeves a nickel metal pipe outside the heat pipe reserved at the outlet of the heat pipe installation device (300), a welding unit is arranged on the welding positioning device (200), and the welding unit performs welding operation on the outer wall of the heat dissipation fin and the nickel metal pipe.

2. A heat pipe fin automated assembly apparatus as claimed in claim 1, wherein: the feeding device (100) for the radiating fins comprises a feeding groove plate (110), wherein the feeding groove plate (110) is horizontally arranged, a vertical guide plate (120) is arranged at the outlet of the feeding groove plate (110), a discharging channel (130) is arranged beside the vertical guide plate (120), the vertical guide plate (120) is arranged on a deflection mechanism, and the deflection mechanism drives the vertical guide plate (120) to be in a vertical state and a horizontal state;

a pressure head plate (140) is arranged above the feeding trough plate (110), the pressure head plate (140) vertically ascends and descends and vertically pushes the heat dissipation fins at the outlet position of the feeding trough plate (110) into a vertical guide plate (120), an electromagnetic adsorption mechanism is arranged on the pressure head plate (140), and the electromagnetic adsorption mechanism carries out adsorption operation on the single heat dissipation fins;

the deflection mechanism comprises a deflection shaft horizontally arranged on one side of the vertical guide plate (120), the deflection shaft is rotatably arranged on the rack, a deflection arm (147) is arranged at one end of the deflection shaft, a deflection rod is arranged on the deflection arm (147), the deflection rod is hinged to a piston rod of a deflection oil cylinder (148), a cylinder body of the deflection oil cylinder (148) is hinged to the rack, and the deflection oil cylinder (148) drives the vertical guide plate (120) to be in a vertical state and a horizontal state.

3. A heat pipe fin automated assembly apparatus as claimed in claim 2, wherein: the discharging channel (130) is horizontally arranged and is arranged in parallel with the upper plate surface of the groove bottom of the horizontal vertical guide plate (120), a positioning opening (131) is formed in the discharging channel (130), a gap maintaining positioning head (132) is arranged in the positioning opening (131), and the gap maintaining positioning head (132) vertically ascends and descends and is inserted into a gap between adjacent radiating fins;

the gap retaining positioning head (132) comprises two gap retaining arms (1321) which are arranged in a hinged manner, the hinge axes of the two gap-retaining arms (1321) are horizontal and form a V-shaped structure with the gap-retaining positioning head (132) integrally, a torsional spring is sleeved on a hinged shaft of the clearance keeping arm (1321) and the clearance keeping positioning head (132), the torsion spring enables the overhanging ends of the two clearance maintaining arms (1321) to be far away, the lower end of the clearance maintaining positioning head (132) is provided with a guide rotating rod (1322), the guide rotary slide rod (1322) is vertically sleeved on the pipe sleeve (133), a spiral groove (1331) is arranged in the pipe sleeve (133), the guide rotary slide bar (1322) is provided with a deflection convex column (1323), the deflection convex column (1323) extends into the spiral groove (1331), the lower end of the guide rotating slide rod (1322) is connected with a piston rod of the clearance maintaining cylinder (134);

the lower end of the guide rotating slide rod (1322) is rotatably arranged on a holding bracket plate (1325) through a supporting bearing (1324) to be connected, and a piston rod of the gap holding cylinder (134) is connected with the holding bracket plate (1325);

the suspension ends of the two gap retaining arms (1321) are provided with balls, the balls are abutted against the plate surfaces of the adjacent radiating fins, one side of the discharging channel (130) is provided with an aligning rod (150), the aligning rod (150) is horizontal and is connected with a lifting mechanism, and the lifting mechanism drives the aligning rod (150) to move up and down and performs aligning operation on one side of the radiating fins.

4. A heat pipe fin automated assembly apparatus as claimed in claim 3, wherein: the welding positioning device (200) comprises a pushing oil cylinder (210) arranged on one side of the discharging channel (130), the pushing oil cylinder (210) is horizontal and is arranged perpendicular to the length direction of the discharging channel (130), a positioning plate (220) is arranged in the pushing direction of the pushing oil cylinder (210), a positioning head (230) is arranged below the positioning plate (220), and the positioning head (230) keeps equal intervals among multiple groups of radiating fins and clamps the radiating fins;

a positioning compression rod (240) is arranged above the positioning plate (220), the positioning compression rod (240) is horizontal and arranged in parallel with the positioning plate (220), the positioning compression rod (240) is rotatably arranged at one end of a positioning cantilever (241), the other end of the positioning cantilever (241) is rotatably arranged on a positioning rack, a positioning torsion spring is arranged at the rotating end of the positioning cantilever (241), and the positioning torsion spring enables the positioning compression rod (240) to be suspended downwards;

the heat dissipation device is characterized in that positioning pressing plates (250) are arranged at two ends of the positioning plate (220), the positioning pressing plates (250) are close to each other and clamp the heat dissipation fins on the positioning plate (220).

5. A heat pipe fin automated assembly apparatus as claimed in claim 4, wherein: the nickel metal pipe feeding device (600) comprises a material guiding rail (610) arranged on one side of a positioning plate (220), the material guiding rail (610) is obliquely arranged, a positioning arc plate (620) is arranged at the lower end of the material guiding rail, the positioning arc plate (620) is horizontally arranged in the length direction and is perpendicular to the length direction of the material guiding rail (610), a heat pipe rail (630) is arranged on the other side of the positioning plate (220), a guiding and conveying arc plate (640) is arranged at the lower end of the heat pipe rail (630), the guiding and conveying arc plate (640) and the positioning arc plate (620) are arranged in parallel and concentrically, the reserved heat pipe mounting device (300) further comprises a first mounting pipe (340), the first mounting pipe (340) is horizontally arranged and is arranged in parallel with the guiding and conveying arc plate (640), the first mounting pipe (340) is connected with a mounting driving unit, the mounting driving unit drives the first mounting pipe (340) to move horizontally and links the reserved heat pipe to be inserted into holes of the heat radiating fins, reserve heat pipe installation device (300) still includes second installation pipe (350), second installation pipe (350) level and with location arc board (620) parallel arrangement, second installation pipe (350) are connected with power unit, power unit drive second installation pipe (350) and interlock nickel alloy pipe box are established outside the heat pipe.

6. A heat pipe fin automated assembly apparatus as claimed in claim 5, wherein: the first installation pipe (340) is provided with a plurality of positioning elastic sheets (341), the positioning elastic sheets (341) are arranged in parallel with the first installation pipe (340) and are arranged at intervals along the circumferential direction of the first installation pipe (340), and the positioning elastic sheets (341) are abutted against the inner wall of the heat pipe;

a first inserting ring (342) is arranged on the outer wall of the first mounting pipe (340), the first inserting ring (342) abuts against one end of the heat pipe and is linked with the heat pipe to be inserted into the hole of the radiating fin, a first baffle (641) is arranged at the pipe orifice position at one end of the guide arc plate (640), when the first mounting pipe (340) and the heat pipe form inserting matching, the first baffle (641) blocks one end of the heat pipe, and when the first inserting ring (342) abuts against one end of the heat pipe, the first baffle (641) is far away from one end of the heat pipe;

a first supporting arm (343) is arranged at one end of the first mounting pipe (340), the mounting driving unit comprises a first nut (3431) arranged on the first supporting arm (343), the first nut (3431) is connected with a first screw rod (3432), the first screw rod (3432) is parallel to the first mounting pipe (340), and one end of the first screw rod is connected with a first motor (3433);

the first baffle (641) is vertically and slidably arranged on the rack, the first baffle (641) is connected with the rack through a first spring (642), a first roller (344) is arranged on the first support arm (343), a first folded plate (643) is arranged on the first baffle (641), and the first roller (344) is abutted against or separated from the first folded plate (643).

7. A heat pipe fin automated assembly apparatus as claimed in claim 6, wherein: the pipe cavity of the second mounting pipe (350) is step-shaped, the pipe orifice end of the second mounting pipe (350) is a large-size end and is in plug fit with the nickel alloy pipe, a strip-shaped opening is formed in the large-size end of the second mounting pipe (350), positioning clamping pieces (351) are arranged in the strip-shaped opening, the positioning clamping pieces (351) are arranged along the length direction of the second mounting pipe (350), and a plurality of positioning clamping pieces (351) are arranged along the circumferential direction of the second mounting pipe (350);

a second baffle (621) is arranged at one end of the positioning arc plate (620), the second baffle (621) blocks one end of the nickel alloy pipe, and when the step position of the second mounting pipe (350) is abutted against one end of the nickel alloy pipe, the second baffle (621) is far away from one end of the nickel alloy pipe;

a second support arm (352) is arranged at the nozzle of the second mounting pipe (350), the power unit comprises a second nut (3521) arranged on the second support arm (352), the second nut (3521) is connected with a second lead screw (3522), the second lead screw (3522) is parallel to the second mounting pipe (350), and one end of the second lead screw is connected with a second motor (3523);

the second baffle (621) vertically slides and is arranged on the material blocking machine frame, the second baffle (621) is connected with the material blocking machine frame through a second spring (622), a second roller (353) is arranged on the second support arm (352), a second folded plate (623) is arranged on the second baffle (621), and the second roller (353) abuts against or is separated from the second folded plate (623).

8. A heat pipe fin automated assembly apparatus as claimed in claim 1, wherein: the heat pipe bending device (500) comprises a heat pipe feeding head (510), a material guide pipe (520) is arranged at the outlet of the heat pipe feeding head (510), the material guide pipe (520) is horizontal and close to one end of a clamping groove of a radiating fin cover plate, and the heat pipe feeding head (510) guides a plurality of groups of heat pipes into the clamping groove of the radiating fin cover plate;

a head plate (530) is further arranged beside a discharge port of the radiating fin cover plate feeding mechanism, the head plate (530) is used for aligning the heat pipe orifices led out of the heat pipe feeding heads (510), a limiting wheel (541) is arranged beside the head plate (530), a wheel train of the limiting wheel (541) is horizontal and is vertically arranged with the material guide pipe (520), a forming roller (542) is arranged above the limiting wheel (541), the forming roller (542) is arranged in parallel with the limiting wheel (541) and the wheel rim is abutted to the jointing, the forming roller (542) is connected with a deflection forming mechanism, and the deflection forming mechanism drives the forming roller (542) to perform 90-degree deflection action;

the deflection forming mechanism comprises a deflection arm (543) rotatably connected with a wheel core of the limiting wheel (541), the deflection arm (543) is perpendicular to the wheel core of the limiting wheel (541), the forming roller (542) is rotatably arranged at the other end of the deflection arm (543), a torsion spring is arranged at the position where the wheel core of the limiting wheel (541) is rotatably connected with the wheel core of the deflection arm (543), and the torsion spring enables the forming roller (542) to be located above the limiting wheel (541);

a strip-shaped hole (5431) is formed in the deflection arm (543), the strip-shaped hole (5431) is arranged along the length direction of the deflection arm (543), a wheel axle of the forming roller (542) is slidably arranged in the strip-shaped hole (5431), a deflection spring (5432) is arranged in the strip-shaped hole (5431), and two ends of the deflection spring (5432) are respectively abutted to one end of the strip-shaped hole (5431) and the wheel axle of the forming roller (542);

the deflection arm (543) is provided with a deflection plate (544), the deflection plate (544) is arranged perpendicular to the deflection arm (543), the deflection forming mechanism further comprises a deflection driving wheel (545) arranged below the deflection plate (544), the deflection driving wheel (545) is parallel to the forming roller (542), the deflection driving wheel (545) is connected with a piston rod of a deflection driving oil cylinder (546), the piston rod of the deflection driving oil cylinder (546) is arranged vertically, and a rim of the deflection driving wheel (545) is abutted against or separated from the deflection plate (544) and the deflection plate (544);

the wheel shaft of the limiting wheel (541) is rotatably arranged on a deflection bracket (547), a deflection nut (5471) is arranged on the deflection bracket (547), a deflection screw rod (5472) is arranged in the deflection nut (5471), the deflection screw rod (5472) is arranged in parallel with the length direction of the material guide pipe (520), and one end of the deflection screw rod (5472) is connected with a deflection motor (5473);

a deflection wheel (548) is further arranged below the deflection screw rod (5472), the deflection wheel (548) is arranged in parallel with a wheel core of the deflection driving wheel (545), the deflection wheel (548) is connected with a piston rod of a power oil cylinder (549), the piston rod of the power oil cylinder (549) is vertically arranged, and the deflection wheel (548) is abutted against or separated from a deflection plate (544);

the outlet position of the material guide pipe (520) is provided with a pipe slice (550), the pipe slice (550) is perpendicular to the material guide pipe (520), and the pipe slice (550) cuts off the heat pipe along the direction perpendicular to the length direction of the material guide pipe (520).

9. A heat pipe fin automated assembly apparatus as claimed in claim 1, wherein: the heat pipe assembling device (400) comprises an assembling pushing head (410), the assembling pushing head (410) is used for driving a cover plate to move horizontally, a heat pipe separating head (420) is arranged beside the assembling pushing head (410), the heat pipe separating head (420) is used for separating and poking away heat pipes and enabling the positions of pipe corners to correspond to the positions of reserved heat pipe orifices on the heat dissipation fins, and when the assembling pushing head (410) drives the cover plate to move horizontally, the pipe corners of the heat pipes and the reserved heat pipe orifices on the heat dissipation fins form inserting fit;

the heat pipe separation head (420) comprises a plurality of groups of separation sheets (421) which are arranged at intervals, the surfaces of the separation sheets (421) are arranged vertically and at intervals, the separation sheets (421) are connected with a separation power mechanism, the separation power mechanism drives the separation sheets (421) to move horizontally and is inserted into gaps between adjacent heat pipes, the separation sheets (421) are inserted into the gaps between the adjacent heat pipes and rotate, the separation sheets (421) rotate to rotate the plurality of groups of heat pipes on the cover plate, and pipe heads of the heat pipes correspond to reserved heat pipe openings on the heat dissipation fins.

10. A heat pipe fin automated assembly apparatus as recited in claim 9, wherein: a separation sliding rod (422) is arranged on the separation sheet (421), a separation shifting block (4221) is arranged on the separation sliding rod (422), the separation sliding rod (422) and the separation sleeve (423) form sliding fit, a separation spiral groove (4231) is formed in the inner wall of the separation sleeve (423), and the separation shifting block (4221) and the separation spiral groove (4231) form insertion fit;

one end of the separation sliding rod (422) is provided with a separation bearing (424), the separation bearing (424) is rotatably arranged on a separation plate (425), the separation power mechanism is driven to comprise a separation motor (426), the separation motor (426) is connected with a separation screw rod (4262), a separation nut (4261) is arranged on the separation plate (425), the separation screw rod (4262) is connected with the separation nut (4261), and the separation screw rod (4262) and the pushing head (410) are arranged in parallel in the moving direction;

a support plate is vertically arranged at one end of the separating sheet (421), the separating slide bar (422) and the support plate form sliding fit, a separating spring (427) is sleeved on the separating slide bar (422), and two ends of the separating spring (427) are respectively abutted against the support plate and flanges on the separating slide bar (422) body;

and an assembling pressure plate (428) is arranged on the separation sliding rod (422), and the assembling pressure plate (428) is abutted and separated with the pipe head of the heat pipe.