CN113600960A

CN113600960A - Clamping and bearing device for welding radiator core

Info

Publication number: CN113600960A
Application number: CN202111169021.2A
Authority: CN
Inventors: 李雪栋; 刘子升; 崔永超
Original assignee: Shandong Zhongmao Radiator Co ltd
Current assignee: Shandong Zhongmao Radiator Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2021-11-05
Anticipated expiration: 2041-10-08
Also published as: CN113600960B

Abstract

The invention is suitable for the technical field of welding, and provides a clamping and bearing device for welding a radiator core, which comprises: the clamping frames are connected with the cross beam in a sliding mode, a transmission mechanism is arranged between the clamping frames and the cross beam, and the transmission mechanism is used for controlling the relative position between the clamping frames and the cross beam; correspond the supporting component that the clamping frame set up, supporting component includes: a rotating shaft, a support rod and a conical volute spiral spring; and a protective layer is arranged above the supporting rod. Therefore, the clamping and bearing device for welding the radiator core replaces an iron wire to fix the radiator core, integrally supports and fixes the radiator core, increases the contact area with the radiator core, and is suitable for radiator cores of different sizes due to the adoption of the telescopic design, so that the universality of the clamping and bearing device for welding the radiator core is increased, and the production cost is reduced.

Description

Clamping and bearing device for welding radiator core

Technical Field

The invention relates to the technical field of welding, in particular to a clamping and bearing device for welding a radiator core.

Background

At present, the automobile radiator generally comprises a core body and a water chamber, wherein the core body is the core of the radiator, and the core body directly influences the radiating power and the radiating performance of the automobile radiator. The existing radiator core needs to enter a brazing furnace to be brazed after the assembly is completed, and the purpose is to weld a heat dissipation belt on a heat dissipation pipe, wherein two ends of the heat dissipation pipe are welded with a main board in a sealing manner. The radiator core is often tied up fixedly with the iron wire after the equipment is accomplished, prevent that the radiator core from loosing the frame, nevertheless in the stove of brazing under the high temperature environment of 600 ℃ of left and right sides, the cooling tube of aluminium system and heat dissipation area easily become soft, lead to because of the iron wire produces and rein in the trace, the thickness that the mainboard thickness is greater than cooling tube and heat dissipation area simultaneously, cooling tube and heat dissipation area are unsettled to be placed, receive the dead weight influence, the mainboard, cooling tube and heat dissipation area all easily take place bending deformation, the iron wire also can bond on radiator core surface simultaneously. Therefore, before the assembling process, the deformed radiating pipes and radiating belts need to be shaped, the production process is increased, the production period is prolonged, waste products can be even caused by the partially deformed radiating pipes and radiating belts, and the production cost is increased. Although the existing radiator core welding tool can support the radiator core and reduce the stress of the mainboard, the tightening mark generated by the iron wire bundling mode seriously affects the quality of the surface of a product, and meanwhile, the radiator core welding tool is not universal and is very inconvenient to use due to different specifications and models of the radiator core.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

Disclosure of Invention

Aiming at the defects, the invention aims to provide a clamping and bearing device for welding a radiator core, which replaces an iron wire to fixedly clamp the radiator core, simultaneously supports and fixes the whole radiator core, adopts a support rod plane telescopic mode at the bottom to ensure the full contact between the support rod and the radiator core, increases the contact area with the radiator core, and adopts a telescopic design, so that the clamping and bearing device for welding the radiator core can be suitable for radiator cores with different sizes, increases the universality of the clamping and bearing device for welding the radiator core, and reduces the production cost.

In order to achieve the above object, the present invention provides a clamping and carrying device for welding a radiator core, comprising:

two clamping frames which are symmetrically arranged relative to the cross beam, wherein the clamping frames are connected with the cross beam in a sliding mode, a transmission mechanism is arranged between the clamping frames and the cross beam and used for controlling the relative position between the clamping frames and the cross beam, and the transmission mechanism comprises:

the driven shaft is rotatably connected with the cross beam, driven gears are arranged at two ends of the driven shaft, racks are arranged on the clamping frames corresponding to the driven gears, the racks on the two clamping frames are arranged oppositely up and down, the driven gears are positioned between the two oppositely arranged racks, and the driven gears are meshed with the racks;

the driving shaft is connected with the cross beam in a sliding mode, a driving ratchet wheel is fixedly connected with the driving shaft through a one-way clutch, a driven ratchet wheel is arranged on the driven shaft corresponding to the driving ratchet wheel, and the driving ratchet wheel can be meshed with the driven ratchet wheel;

the supporting assemblies are arranged corresponding to the clamping frame and are rotatably connected with the clamping frame, and avoidance grooves are respectively formed in two ends of the clamping frame; the support assembly includes: a rotating shaft, a support rod and a conical volute spiral spring; the rotating shaft is rotatably connected with the avoiding groove, two ends of the conical volute spiral spring are respectively and fixedly connected with the rotating shaft and the avoiding groove, and the supporting rod is fixedly connected with the rotating shaft; the upper portion of bracing piece is equipped with the inoxidizing coating, the inoxidizing coating adopts graphite to make.

According to the clamping and bearing device for welding the radiator core, the transmission mechanism further comprises a handle, the handle is rotatably connected with the driving shaft, a pawl is arranged on the handle corresponding to the driving ratchet wheel, and the pawl is hinged to the handle.

According to the clamping and bearing device for welding the radiator core, the handle is elastically connected with the cross beam.

According to the clamping and bearing device for welding the radiator core, a volute spiral spring is arranged between the driven shaft and the cross beam, and two ends of the volute spiral spring are fixedly connected with the driven shaft and the cross beam respectively.

According to the clamping and bearing device for welding the radiator core, the surface of the clamping frame is fixedly provided with the partition plate, and the surface of the partition plate is provided with the carbon plate.

According to the clamping bearing device for welding the radiator core, the supporting rod comprises a plurality of rod bodies which are mutually sleeved, and the upper surfaces of the rod bodies are positioned on the same plane.

According to the clamping and bearing device for welding the radiator core, the cross section of the rod body is of an arc-shaped structure.

According to the clamping and bearing device for welding the radiator core, the protective layer is located at the opening end of the arc-shaped structure and is clamped with the rod body.

According to the clamping and bearing device for welding the radiator core body, the inner wall of the rod body is provided with the plurality of supporting sliding strips, the outer wall of the other sleeved rod body is provided with the positioning strips corresponding to the supporting sliding strips, the supporting sliding strips are connected with the positioning strips in a sliding mode, and the plurality of supporting sliding strips are matched with the plurality of positioning strips to achieve circumferential fixing of the rod body.

According to the clamping and bearing device for welding the radiator core, the clamping frame is further provided with an auxiliary fixing plate, the auxiliary fixing plate is transversely connected with the outer wall of the avoidance groove in a sliding mode, the auxiliary fixing plate is provided with an inclined surface structure, and the inclined surface structure is used for abutting against the supporting rod.

The invention provides a clamping and bearing device for welding a radiator core, which comprises: the two clamping frames which are symmetrically arranged about the cross beam realize one-way transmission through the engagement of the ratchet wheels, so that the clamping frames clamp the radiator core according to the size of the radiator core, the binding of iron wires is replaced, the line contact is changed into surface contact, the contact area with the radiator core is increased, and the radiator cores with different sizes can be clamped; simultaneously, through the separation of the two ratchet wheels, the external force or the elasticity of the spring is used for realizing the outward extension of the clamping frame, and the core body of the radiator is released; this tight device that bears of clamp is used in welding of radiator core still includes a plurality of supporting components, through rotatory bracing piece, with the flat support in bottom of radiator core, reduces the deformation that the radiator core becomes soft because of the heating, and the bracing piece is scalable simultaneously, is applicable to not unidimensional radiator core, and bracing piece surface and the baffle surface of clamping frame are equipped with the protective layer of graphite material, have reduced gluing when the welding of radiator core.

Drawings

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic diagram of a portion of the structure of the present invention; FIG. 3 is a schematic view of the ratchet configuration of the present invention; FIG. 4 is a structural view of the ratchet structure of the present invention in a first operating state; FIG. 5 is a structural view of the ratchet structure of the present invention in a second operating state; FIG. 6 is a schematic view of the construction of the clamping frame of the present invention; FIG. 7 is a schematic view of the support assembly of the present invention in a first operating state; FIG. 8 is a structural schematic view of the support assembly of the present invention in a second operating condition; FIG. 9 is a structural view of the support assembly of the present invention in a third operational state; FIG. 10 is a schematic structural view of the support assembly of the present invention; FIG. 11 is a schematic view of the structure of detail A in FIG. 10; FIG. 12 is a schematic view of the construction of the support pole of the present invention; FIG. 13 is another structural schematic view of the support pole of the present invention; FIG. 14 is a schematic sectional view showing the structure of the driving shaft of the present invention; FIG. 15 is a prior art radiator core bundle; FIG. 16 is a schematic view of the operation of the rotary lever of the present invention; FIG. 17 is a schematic structural view of an auxiliary fixing plate according to the present invention; FIG. 18 is a first schematic view of the engagement of the auxiliary fixing plate with the clamping frame according to the present invention; FIG. 19 is a second schematic view of the auxiliary fixing plate and the clamping frame of the present invention; FIG. 20 is a third schematic view of the auxiliary fixing plate and the clamping frame of the present invention; FIG. 21 is a schematic view of the internal connection of the beam of the present invention; in the figure, 1-beam, 11-driven shaft, 12-driven gear, 13-driven ratchet, 14-driving ratchet, 141-one-way clutch, 15-pawl, 16-driving shaft, 161-sliding chute, 162-positioning hole, 17-handle, 18-volute spring, 2-clamping frame, 21-rack, 22-guide column, 23-partition plate, 231-blocking block, 24-avoiding groove, 25-auxiliary fixing plate, 251-groove, 252-inclined plane structure, 3-supporting component, 31-rotating shaft, 311-rotating rod, 32-supporting rod, 321-first rod body, 3211-supporting slide bar, 322-second rod body, 3221-positioning bar, 323-third rod body, 324-fastening screw, 33-conical spiral spring, 34-protective layer, 4-radiator core and 41-iron wire.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, the invention provides a clamping and carrying device for welding a radiator core. This radiator core welding is with pressing from both sides tight loading attachment includes: crossbeam 1, two press from both sides tight frame 2 and a plurality of supporting component 3, two press from both sides tight 2 symmetrical arrangement in the both sides of crossbeam 1, press from both sides tight 2 sliding connection crossbeam 1, the both ends that press from both sides tight frame 2 all are equipped with guide post 22 and rack 21, crossbeam 1 corresponds guide post 22 and is equipped with the through-hole, guide post 22 sliding connection through-hole, combine figure 21, crossbeam 1 is the H shape, the both sides of crossbeam 1 are for bearing the weight of the portion, the centre of crossbeam 1 is connecting portion, the both ends of connecting portion are the bearing portion of fixed connection both sides respectively. A driven shaft 11 is arranged at a connecting part in the middle of the beam 1, the driven shaft 11 penetrates through the connecting part, the driven shaft 11 is rotatably connected with the connecting part on the beam 1, and the driven shaft 11 can rotate in the connecting part; driven gear 12 is all equipped with at the both ends of driven shaft 11, and driven gear 12 is located the portion of bearing, and rack 21 grafting portion of bearing, driven gear 12 meshing connection rack 21, and driven gear 12 is located between two racks 21 that two clamping frame 2 correspond, and driven gear 12 and rack 21 cooperation transmission realize clamping frame 2 and crossbeam 1's relative movement. The racks 21 on the two clamping frames 2 are respectively located above and below the corresponding guide posts 22, so that when the driven shaft 11 rotates, the two clamping frames 2 move towards or away from each other at the same time, that is, the rack 21 on one clamping frame 2 is located above the guide post 22, and the rack 21 on the other clamping frame 2 is located below the guide post 22.

Referring to fig. 2 to 5, the beam 1 is further provided with a driving ratchet 14, the driving ratchet 14 is rotatably connected with the beam 1 through a driving shaft 16, the driving ratchet 14 can rotate relative to the beam 1, the driven shaft 11 is provided with a driven ratchet 13 corresponding to the driving ratchet 14, the driving ratchet 14 is meshed with the driven ratchet 13, a volute spring 18 is arranged between the driven shaft 11 and the beam 1, two ends of the volute spring 18 are respectively and fixedly connected with the driven shaft 11 and the beam 1, and the driven shaft 11 rotates the driven gear 12 under the action of the volute spring 18, so that the clamping frame 2 is kept away from the beam 1.

Referring to fig. 14, the driving shaft 16 is provided with a sliding slot 161, the cross beam 1 is provided with a protrusion corresponding to the sliding slot 161, and the driving shaft 16 is slidably connected to the cross beam 1 by the sliding slot 161, i.e. the driving shaft 16 can only move axially and cannot rotate circumferentially. Both ends of spout 161 all are equipped with locating hole 162, and crossbeam 1 corresponds locating hole 162 and is equipped with the marble, and the marble is used for cooperating with locating hole 162, realizes the axial positioning of driving shaft 16, combines fig. 4 and 5, and the distance between two locating holes 162 is guaranteed: when the positioning hole 162 at one side is used for clamping the marble, the driving ratchet wheel 14 is meshed with the driven ratchet wheel 13; when the positioning hole 162 on the other side is engaged with the marble, the driving ratchet 14 is separated from the driven ratchet 13.

Referring to fig. 3, a one-way clutch 141 is arranged between the driving ratchet 14 and the driving shaft 16 to ensure that the driving ratchet 14 can only rotate in one direction, handles 17 are arranged on two sides of the driving ratchet 14, the handles 17 are rotatably connected with the driving shaft 16, a pawl 15 is arranged on each handle 17, the pawl 15 is abutted against the driving ratchet 14 through elasticity of a torsion spring, a certain gap is arranged between the inner wall of each handle 17 and the driving ratchet 14, the gap ensures that the handles 17 and the driving ratchet 14 can rotate relatively, the pawl 15 can be always abutted against the driving ratchet 14, and the pawl 15 is prevented from falling off from the driving ratchet 14. An elastic member is arranged between the handle 17 and the beam 1, so that the handle 17 is normally far away from the beam 1, and the elastic member can be a torsion spring or a spring. Referring to fig. 4, when the driving ratchet 14 is engaged with the driven ratchet 13, the handle 17 is held by a hand to rotate the handle 17 back and forth, so as to drive the pawl 15 to move up and down, so that the driving ratchet 14 rotates in a single direction, the driving ratchet 14 is engaged with the driven ratchet 13 to drive the driven gear 12 to stir the rack 21, the clamping frame 2 moves towards the inside of the beam 1, and the radiator core 4 is clamped. Referring to fig. 5, when the radiator core 4 needs to be released, the driving shaft 16 is pressed towards the other side, so that the driving ratchet 14 is separated from the driven ratchet 13, the driven ratchet 13 rotates reversely under the action of the volute spiral spring 18, the driven gear 12 pulls the rack 21, the clamping frame 2 moves away from the cross beam 1, and the radiator core 4 is released.

Referring to fig. 6, the clamping frame 2 is provided with a plurality of partition plates 23, the partition plates 23 are used for contacting the side walls of the radiator core 4, the partition plates 23 are perpendicular to the rack 21, the partition plates 23 are located below the rack 21, the plurality of partition plates 23 are fixedly connected to the clamping frame 2 in parallel, and in combination with fig. 15, after the radiator core 4 is assembled, the radiator core needs to be bundled by iron wires 41, so that a certain gap is reserved between the adjacent partition plates 23 for avoiding and binding the iron wires 41, and the space size of the iron wires 41 during binding can be determined by matching with the gap of the partition plates 23. Avoidance grooves 24 are formed in two sides of the clamping frame 2, and the supporting component 3 is inserted into the avoidance grooves 24 in one side. The clamping frame 2 is attached to the radiator core 4 through a partition plate 23. With reference to fig. 1, 17 and 20, the outer side of the avoiding groove 24 is further provided with an auxiliary fixing plate 25, the auxiliary fixing plate 25 is attached to the outer wall of the avoiding groove 24, the auxiliary fixing plate 25 is screwed with the clamping frame 2 through the open groove 251, the open groove 251 is transversely arranged, the auxiliary fixing plate 25 can transversely slide, the auxiliary fixing plate 25 is provided with an inclined surface structure 252, and when the auxiliary fixing plate 25 transversely slides, the inclined surface structure 252 covers the avoiding groove 24 and can fix the support rod 32.

Referring to fig. 10, the support assembly 3 includes: pivot 31, bracing piece 32 and conical spiral spring 33, combine fig. 6 and fig. 7, pivot 31 pegs graft in dodging groove 24, pivot 31 can dodge the inslot rotation, conical spiral spring 33's both ends are fixed connection pivot 31 and dodge groove 24 respectively, pivot 31 cup joints the inside at conical spiral spring 33, conical spiral spring 33 provides vertical direction's elasticity and horizontal direction's torsion, bracing piece 32 fixed connection pivot 31, the length adaptability of bracing piece 32 sets up, combine fig. 12, the upper portion of bracing piece 32 is equipped with the inoxidizing coating 34, the upper surface of inoxidizing coating 34 can be arc surface or plane, a bottom for contacting radiator core 4. The support rod 32 is tightly attached to the partition plate 23 in a normal state, a stop block 231 is arranged below the partition plate 23, and the stop block 231 is used for limiting the support rod 32 and preventing the support rod 32 from rotating. When the support rod 32 needs to rotate, the support rod 32 is pulled down to pass over the stop block 231, and the support rod 32 can rotate under the action of the conical spiral spring 33. When the support rod 32 is rotated to be perpendicular to the partition 23, the support rod 32 enters the avoiding groove 24 by the action of the spiral spring 33 and the auxiliary fixing plate 25, and then ascends to abut the shield layer 34 on the radiator core 4. With reference to fig. 17 and 20, the auxiliary fixing plate 25 is then laterally rotated and fixed such that the inclined surface structure 252 abuts against the support bar 32, further improving the supporting strength of the support bar 32 while preventing the support bar 32 from being significantly deformed by bending.

Referring to fig. 12, further, the supporting rod 32 includes a first rod 321 and a second rod 322 that are sleeved to each other, the cross-sectional shapes of the first rod 321 and the second rod 322 are both arc-shaped, the cross-sectional shape is arc-shaped, the rod has large deflection, high strength and light weight, the arc-shaped opening end is provided with a protective layer 34, the first rod 321 and the second rod 322 are both clamped to the protective layer 34, the protective layer 34 is a carbon rod and is made of graphite, and the carbon rod is high temperature resistant, anti-adhesion and good in wear resistance. The inside of first body of rod 321 is equipped with a plurality of support draw bars 3211, the outside of second body of rod 322 corresponds and supports draw bar 3211 and is equipped with location strip 3221, support draw bar 3211 and location strip 3221 and mutually support, hold in the palm second body of rod 322 for the upper surface of second body of rod 322 is flat mutually with the upper surface of first body of rod 321, guarantee that bracing piece 32 can flat support radiator core 4 after tensile, current extensible member can not appear after tensile, step appears because of the wall thickness problem, lead to incomplete with the contact of radiator core 4. Meanwhile, the supporting slide bar 3211 and the positioning bar 3221 can increase the strength and deflection of the rod body correspondingly, and the positioning bar 3221 is matched with the supporting slide bar 3211, so that the second rod body 322 can only translate axially but cannot rotate circumferentially. Referring to fig. 13, a fastening screw 324 is screwed on a side surface of the first rod 321, and the first rod 321 and the second rod 322 are fastened by the fastening screw 324, so that the second rod 322 can be kept in a fixed state after extending out of the first rod 321. Support draw runner 3211 simultaneously and set up along the inner wall of first body of rod 321, adjacent support draw runner 3211 forms big-end-up's toper space, corresponding location strip 3221 forms big-end-up's toper space, two toper spaces mutually support, thereby realize the joint of second body of rod 322 and first body of rod 321, when fastening screw 324 locks second body of rod 322 and first body of rod 321, the trend of incurving appears in the circular-arc structure, drive two trend that outwards expand appear in location strip 3221, prop two location strips 3221 butt on two support draw runners 3211, it is more firm to fix, prevent simultaneously that second body of rod 322 from breaking away from first body of rod 321 from the top. Referring to fig. 10 and 11, a spring is disposed inside the second rod 322, and two ends of the spring respectively connect the first rod 321 and the second rod 322, so that the second rod 322 is normally hidden in the first rod 321, which is convenient to operate, and prevents the interference of the support rods 32 due to the excessively large rotation radius when the plurality of support rods 32 are used, thereby preventing the use from being affected.

Referring to fig. 13, further, the supporting rod 32 further includes a third rod body 323, the third rod body 323 is sleeved in the second rod body 322, and the supporting slide 3211 and the positioning bar 3221 are matched with each other to support the third rod body 323, so that the upper surface of the third rod body 323 is flush with the upper surfaces of the second rod body 322 and the first rod body 321, and the heat sink core 4 is tightly attached. The support rod 32 may also include more rods connected in the same manner and fixed by the fastening screws 324 to ensure that the upper surfaces of all the rods are flat.

Referring to fig. 6 to 9, further, the upper portion of the rotation shaft 31 protrudes from the upper surface of the clamping frame 2, the rotation shaft 31 is moved downward by pressing the rotation shaft 31, the support rod 32 passes over the stopper 231, and then is rotated and moved upward by the conical spiral spring 33, and when the support rod 32 is rotated to the position of the escape groove 24, the support rod 32 enters the escape groove 24 by the conical spiral spring 33 and the auxiliary fixing plate 25. Referring to fig. 17 to 20, the auxiliary fixing plate 25 does not cover the opening of the avoiding groove 24 in a normal state, and the auxiliary fixing plate 25 is flush with the opening of the avoiding groove 24, and presses the rotating shaft 31, the support rod 32 moves downward, goes over the stopper 231, and rotates under the action of the conical spiral spring 33, when the auxiliary fixing plate 25 rotates, the auxiliary fixing plate 25 stops the rotation of the support rod 32, and the conical spiral spring 33 provides a pulling force to pull the support rod 32 into the avoiding groove 24. The screws are loosened and the auxiliary fixing plate 25 is laterally rotated to abut the ramp structure 252 against the underside of the support bar 32, providing additional support. With reference to fig. 1, at the same time, the supporting rod 32 can extend into the corresponding avoiding groove 24 of the opposite clamping frame 2, and the auxiliary fixing plate 25 on the corresponding avoiding groove 24 of the opposite clamping frame 2 can clamp the end of the supporting rod 32, so as to ensure the straightness of the supporting rod 32 and reduce the bending phenomenon caused by the overlong supporting rod 32.

Referring to fig. 10 and 16, further, a rotating rod 311 is disposed on the upper portion of the rotating shaft 31, the rotating shaft 31 penetrates and protrudes out of the clamping frame 2, the rotating rod 311 is located above the clamping frame 2, the rotating rod 311 is parallel to the supporting rod 32, when the worker operates the heat sink, the rotating rod 311 is held by hand above the cross beam 1, the supporting rod is pressed down and rotated, the supporting rod 32 enters the avoiding groove 24, the supporting rod 32 is attached to the bottom surface of the heat sink core 4, so that clamping and flat supporting of the bottom of the heat sink core 4 can be completed, deformation caused by factors such as dead weight after heating of the heat sink and the heat dissipation belt when the heat sink core 4 is brazed can be reduced, and meanwhile, operation of the rotating supporting rod 32 can be completed above the cross beam 1, and the heat sink is convenient and fast to use.

Furthermore, the surface of the partition 23 is provided with a carbon plate made of graphite material, and the carbon plate is in direct contact with the radiator core 4, so that the radiator core 4 is prevented from being solidified on the partition 23 due to the influence of high temperature and flux in the brazing furnace.

Furthermore, each type of spring involved in the clamping and bearing device for welding the radiator core is a high-temperature-resistant spring.

Referring to fig. 1, when the clamping and carrying device for welding the radiator core is used, the beam 1 is placed on the radiator core 4, the driving shaft 16 is pushed to one side while the handle 17 is slightly moved, so that the driving ratchet 14 is meshed with the driven ratchet 13, then the handle 17 is held by a hand, the handle 17 is rotated up and down, so that the pawl 15 pushes the driving ratchet 14 to rotate, the driving ratchet 14 is meshed with the driven ratchet 13 for transmission, the driven shaft 11 drives the driven gear 12 to rotate, and the rack 21 moves inwards until the clamping frames 2 on two sides clamp the radiator core 4 in combination with fig. 4. Referring to fig. 16, the rotating rod 311 is pressed, the supporting rod 32 passes over the blocking block 231 on the partition 23, the supporting rod 32 rotates to the avoiding groove 24 under the action of the spiral spring 33 and the auxiliary fixing plate 25, then moves upwards along the avoiding groove 24 until abutting against the bottom of the heat sink core 4, then the second rod 322 is stretched out of the first rod 321, so that the supporting rod 32 completely supports the bottom of the heat sink core 4, the second rod 322 extends into the corresponding avoiding groove 24 in the opposite clamping frame 2, the second rod 322 is fixed with the first rod 321, other supporting rods 32 perform the same operation, and the supporting rods 32 abut against the bottom of the heat sink core 4, then the auxiliary fixing plate 25 moves and fixes transversely, and the inclined surface structure 252 abuts against one side of the supporting rod 32 to support the two ends of the supporting rod 32. And then removing the bound iron wires 41, clamping the clamping and bearing device for welding the radiator core body, and putting the clamping and bearing device for welding the radiator core body and the radiator core body 4 into a brazing production line for performing the next brazing operation. When the brazing is completed, the auxiliary fixing plate 25 slides reversely, the second rod body 322 is retracted into the first rod body 321, then the rotating rod 311 is pressed downwards, the supporting rod 32 is separated from the avoiding groove 24, then the supporting rod 32 is rotated, the supporting rod 32 is fixed by the blocking block 231, then the driving shaft 16 is pressed, the driving ratchet 14 is separated from the driven ratchet 13, the driven shaft 11 rotates reversely under the action of the volute spiral spring 18, the driven gear 12 drives the rack 21 to move, the clamping frame 2 expands outwards, the welded radiator core 4 is released, after the volute spiral spring 18 is used for a long time, when the tensile force is reduced, a mode of pulling the clamping frame 2 by external force can be further adopted, the radiator core 4 is released, and the reliability is high.

In summary, the present invention provides a clamping and carrying device for welding a core of a heat sink, comprising: the two clamping frames which are symmetrically arranged about the cross beam realize one-way transmission through the engagement of the ratchet wheels, so that the clamping frames clamp the radiator core according to the size of the radiator core, the binding of iron wires is replaced, the line contact is changed into surface contact, the contact area with the radiator core is increased, and the radiator cores with different sizes can be clamped; simultaneously, through the separation of the two ratchet wheels, the external force or the elasticity of the spring is used for realizing the outward extension of the clamping frame, and the core body of the radiator is released; this tight device that bears of clamp is used in welding of radiator core still includes a plurality of supporting components, through rotatory bracing piece, with the flat support in bottom of radiator core, reduces the deformation that the radiator core becomes soft because of the heating, and the bracing piece is scalable simultaneously, is applicable to not unidimensional radiator core, and bracing piece surface and the baffle surface of clamping frame are equipped with the protective layer of graphite material, have reduced gluing when the welding of radiator core.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a radiator core welding is with pressing from both sides tight loading attachment which characterized in that includes:

2. The clamping and carrying device for welding the radiator core according to claim 1, wherein the transmission mechanism further comprises a handle, the handle is rotatably connected with the driving shaft, the handle is provided with a pawl corresponding to the driving ratchet wheel, and the pawl is hinged with the handle.

3. The clamp carrier for welding of radiator cores of claim 2, wherein said handle is resiliently connected to said cross member.

4. The clamping and bearing device for welding the radiator core according to claim 1, wherein a spiral spring is arranged between the driven shaft and the cross beam, and two ends of the spiral spring are respectively fixedly connected with the driven shaft and the cross beam.

5. The clamping and carrying device for welding the radiator core according to claim 1, wherein a partition plate is fixedly arranged on the surface of the clamping frame, and a carbon plate is arranged on the surface of the partition plate.

6. The clamping and carrying device for welding the radiator core according to any one of claims 1 to 5, wherein the supporting rod comprises a plurality of rod bodies which are sleeved with each other, and the upper surfaces of the plurality of rod bodies are located on the same plane.

7. The clamping and carrying device for welding the radiator core according to claim 6, wherein the cross section of the rod body is of an arc-shaped structure.

8. The clamping and carrying device for welding the radiator core according to claim 7, wherein the protective layer is located at an opening end of the circular arc-shaped structure, and the protective layer is clamped with the rod body.

9. The clamping and carrying device for welding the core body of the radiator according to claim 6, wherein a plurality of supporting sliding strips are arranged on the inner wall of the rod body, positioning strips are arranged on the outer wall of the other sleeved rod body corresponding to the supporting sliding strips, the supporting sliding strips are connected with the positioning strips in a sliding manner, and the plurality of supporting sliding strips are matched with the plurality of positioning strips to realize circumferential fixation of the rod body.

10. The clamping and carrying device for welding the radiator core according to any one of claims 1 to 5 and 7 to 9, wherein the clamping frame is further provided with an auxiliary fixing plate, the auxiliary fixing plate is laterally slidably connected with the outer wall of the avoiding groove, and the auxiliary fixing plate is provided with a slope structure, and the slope structure is used for abutting against the supporting rod.