CN212634617U

CN212634617U - Brazing clamp for battery cooler core body

Info

Publication number: CN212634617U
Application number: CN202021161891.6U
Authority: CN
Inventors: 卢波
Original assignee: Beijing Xinbohong Technology Co ltd
Current assignee: Beijing Xinbohong Technology Co ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-03-02
Anticipated expiration: 2030-06-20

Abstract

The utility model belongs to the technical field of the new forms of energy technique and specifically relates to a brazing anchor clamps of battery cooler core is related to, be used for pressing from both sides a plurality of heat exchanger fins of piling up on the bottom plate tightly, including lower clamp die, go up clamp die and drive down clamp die and the clamping piece of last clamp die to the direction removal that is close to each other, be provided with two at least limiting plates that can with the global looks butt of bottom plate down on the clamp die, the limiting plate highly is greater than the bottom plate thickness, set up the spacing groove with the global looks adaptation of heat exchanger fin on the limiting plate, reached and conveniently pressed from both sides tightly the heat exchanger fin that piles up, improve the effect of the work efficiency of brazing.

Description

Brazing clamp for battery cooler core body

Technical Field

The utility model belongs to the technical field of the new forms of energy technique and specifically relates to a anchor clamps of brazing of battery cooler core is related to.

Background

Currently, a chip battery cooler (chicken) is a core component of a battery cooling system of an electric vehicle. The brazing tool of the core body of the cooler core is an important factor for ensuring the quality and the performance of a product.

Referring to fig. 1, a core body 1 of a conventional battery cooler includes a base plate 11, a plurality of heat exchange fins 12 stacked on one side of the base plate 11, the plurality of heat exchange fins 12 being integrated by a brazing process, and a water inlet pipe 13 and a water outlet pipe 14 connected to the heat exchange fins 12; the conventional brazing process is to bind a plurality of stacked heat exchanger plates 12 together by iron wires and then perform welding.

The above prior art solutions have the following drawbacks: the heat exchange pieces 12 are bound by using iron wires, so that the required time is long, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a brazing anchor clamps of battery cooler core has reached the convenience and has pressed from both sides tightly the heat exchanger fin that piles up, improves the effect of the work efficiency of brazing.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an anchor clamps of brazing of battery cooler core for it presss from both sides tightly to pile up a plurality of heat exchanger fins on the bottom plate, press from both sides the mould under including down, go up and press from both sides the mould and drive down press from both sides the mould and go up the clamping piece that presss from both sides the mould and remove to the direction that is close to each other, press from both sides down and be provided with two at least limiting plates that can with the global looks butt of bottom plate on the mould, the height of limiting plate is greater than the bottom plate thickness, set up the spacing groove with the global looks adaptation.

By adopting the technical scheme, when the battery cooler core body needs to be brazed, people firstly place the bottom plate on the lower clamping die, and the limiting plate on the lower clamping die can limit the position of the bottom plate, so that the position of the bottom plate can be prevented from being deviated when heat exchange sheets are stacked on the bottom plate; then, the heat exchange plates are placed on the bottom plate, and the limiting plates can limit the heat exchange plates when the heat exchange plates are placed because the height of the limiting plates is larger than the thickness of the bottom plate, so that the heat exchange plates are prevented from being shifted when being stacked; the upper clamping die is placed on the heat exchange plate, the upper clamping die and the lower clamping die are respectively located on two sides of the stacked heat exchange plate, then the upper clamping die and the lower clamping die are driven by the clamping piece to move towards the direction close to each other, and therefore the stacked heat exchange plate can be clamped tightly by the upper clamping die and the lower clamping die, the effect that the stacked heat exchange plate is conveniently clamped is achieved, and the brazing work efficiency is improved.

The utility model discloses can further configure to in a preferred example, press from both sides the mould down and be close to the lower gasket that is provided with bottom plate looks butt on the side of limiting plate, all set up the bleeder vent that runs through self on lower gasket and the lower mould that presss from both sides.

By adopting the technical scheme, after the bottom plate is placed on the lower clamping die, the bottom plate is abutted against the side surface of the lower gasket, so that a gap can exist between the bottom plate and the lower clamping die, and the bottom plate and the heat exchange plate can be conveniently taken down from the lower clamping die after people complete the brazing of the heat exchange plate; in the brazing process of the heat exchange fins, the heat exchange fins need to be heated, and the lower gasket and the air holes in the lower clamping die can be used for conveniently heating the heat exchange fins; after the heat exchange fin is brazed, the air holes can accelerate the loss of heat inside the heat exchange fins.

The utility model discloses can further configure to in a preferred example, press from both sides the mould down and be provided with the reference column on being close to the side of limiting plate, set up the locating hole that supplies the reference column to pass on the bottom plate.

Through adopting above-mentioned technical scheme, after putting the bottom plate on lower clamp mould, the locating hole on the bottom plate can be passed to the reference column on the lower clamp mould, can realize the further location to the bottom plate like this.

The utility model discloses can further configure to in a preferred example, the clamping piece includes two U type clamp moulds of parallel relative setting, is connected with the connecting cylinder between two U type clamp moulds.

By adopting the technical scheme, the connecting cylinder can keep the positions of the two U-shaped clamping dies relatively fixed, and a clamping piece is required to be used, so that the upper clamping die, the stacked heat exchange sheets and the lower clamping die are inserted into the U-shaped clamping dies together from one side of the opening of the U-shaped clamping dies by people, and the U-shaped clamping dies can drive the upper clamping dies and the lower clamping dies to correspond to the directions close to each other, thereby realizing the clamping process of the stacked heat exchange sheets; when the U-shaped clamping die is used, the distance between two side faces of the upper clamping film and the lower clamping die which deviate from each other needs to be ensured to be larger than or equal to the size of the opening of the U-shaped clamping die.

The utility model discloses can further configure to in a preferred example, go up the clamp mould and include the punch holder, set up the constant head tank with heat exchanger fin looks adaptation on the side of punch holder, still set up the first hole of stepping down that supplies inlet tube and outlet pipe to pass on the punch holder, be provided with on the punch holder and can press from both sides the inside clamping frame with the internal surface looks butt of U type clamp mould at the U type.

By adopting the technical scheme, after the heat exchange plates are stacked on the lower clamping die, people firstly place the upper clamping plate on the heat exchange plates, and the positioning grooves on the upper clamping plate have the positioning function on the heat exchange plates and the positioning grooves on the upper clamping plate; after the upper clamping die, the stacked heat exchange plates and the lower clamping die are placed inside the U-shaped clamping die, the U-shaped clamping die can drive the upper clamping plate to move towards the direction close to the lower clamping die through the clamping frame.

The utility model discloses can further configure to in a preferred example, the clamping frame includes two first clamp plates and two second clamp plates, and first clamp plate all sets up on the side that the punch holder deviates from the constant head tank with the second clamp plate, and two first clamp plates splice into the rectangle frame with two second clamp plates on the punch holder, have seted up on two second clamp plates or two first clamp plates and have supplied out the water pipe or the inlet tube second hole of stepping down.

By adopting the technical scheme, the first clamping plate and the second clamping plate are spliced into the rectangular frame, so that people can conveniently process the first clamping plate and the second clamping plate; the second hole of stepping down can supply outlet pipe or inlet tube to pass.

The utility model discloses can further configure to in a preferred example, the inside reinforcement that is used for strengthening rectangle frame intensity that is provided with of rectangle frame that first clamp plate and second clamp plate splice.

Through adopting above-mentioned technical scheme, the reinforcement can improve the intensity of the rectangle frame that first clamp plate and second clamp plate splice, when reducing to use anchor clamps to press from both sides tight heat exchanger fin, the possibility of splitting appears in the rectangle frame.

The utility model discloses can further configure to in a preferred example, set up the first ventilation hole that runs through self on the punch holder, set up the second ventilation hole that runs through self on first clamp plate and the second clamp plate.

Through adopting above-mentioned technical scheme, the speed that the heat exchanger fin heaies up and cools down can all be accelerated in first ventilation hole and second ventilation hole.

To sum up, the utility model discloses following technological effect has:

1. by arranging the brazing clamp, when the battery cooler needs to be brazed, people firstly stack the heat exchange sheets on the bottom plate and then clamp the heat exchange sheets by using the brazing clamp, so that the effect of improving the brazing working efficiency is achieved;

2. the positioning column and the limiting plate are arranged, and can limit the position of the bottom plate, so that the effect of improving the brazing quality is achieved;

3. through having set up bleeder vent, first ventilation hole and second ventilation hole, when brazing to the heat exchanger fin of stacking together, bleeder vent, first ventilation hole and second ventilation hole can make the heat exchanger fin heat up fast, reduce the inside heat of anchor clamps of brazing, and after the heat exchanger fin was brazed and is accomplished, bleeder vent, first ventilation hole and second ventilation hole can accelerate the scattering and disappearing of the inside heat of heat exchanger fin.

Drawings

FIG. 1 is a block diagram of a heat exchanger plate core of the present new background of the invention;

FIG. 2 is a view showing a state of use of the brazing jig of the present invention;

FIG. 3 is a structural view of a lower clamping die in the brazing jig of the present invention;

FIG. 4 is a structural diagram of an upper clamping die in the brazing jig of the present invention;

fig. 5 is a structural view of the upper clamping die at another angle in the brazing jig of the present invention.

In the figure, 1, a core; 11. a base plate; 12. a heat exchanger fin; 13. a water inlet pipe; 14. a water outlet pipe; 2. a brazing jig; 21. clamping the die downwards; 22. a limiting plate; 221. a limiting groove; 222. air holes are formed; 23. a lower gasket; 24. a positioning column; 25. clamping the die; 251. an upper splint; 2511. positioning a groove; 2512. a first abdicating hole; 2513. a first vent hole; 252. a clamping frame; 2521. a first clamping plate; 2522. a second clamping plate; 2523. a second abdicating hole; 26. a clamping member; 261. clamping a die in a U shape; 262. a connecting cylinder; 3. a reinforcement; 31. a first reinforcing plate; 32. a second reinforcing plate; 33. a third reinforcing plate; 34. a fourth reinforcing plate; 35. and a second vent hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, the utility model provides a brazing anchor clamps of battery cooler core, after piling up the heat exchanger fin 12 that will wait to braze on bottom plate 11, people can use brazing anchor clamps 2 will pile up the heat exchanger fin 12 on bottom plate 11 and press from both sides tightly, then braze again.

Referring to fig. 2 and 3, the brazing fixture 2 includes a lower clamping die 21, two limiting plates 22, a lower gasket 23, a positioning column 24, an upper clamping die 25 and a clamping member 26, the lower clamping die 21 extends along a horizontal direction, the two limiting plates 22 are arranged, the extending direction of the two limiting plates 22 is the same as that of the lower clamping die 21, the two limiting plates 22 are respectively arranged at positions close to two side surfaces of the lower clamping die 21, the limiting plates 22 and the lower clamping die 21 are detachably spliced, the distance between the two limiting plates 22 is the same as that between two side surfaces of the bottom plate 11 which are opposite, the height of the two limiting plates 22 is greater than the thickness of the bottom plate 11, and the side surfaces of the two limiting plates 22 which are close to each other are provided with limiting grooves 221 which are matched with the peripheral surface; two positioning columns 24 are arranged, the two positioning columns 24 are vertically arranged on the upper surface of the lower clamping die 21, and a positioning hole for the positioning column 24 to pass through is formed in the bottom plate 11; the lower gasket 23 is horizontally arranged on the upper surface of the lower clamping die 21, the total thickness of the lower gasket 23, the bottom plate 11 and the single heat exchange plate 12 is the same as the height of the limiting plate 22, and the lower gasket 23 and the lower clamping die 21 are provided with air holes 222 penetrating through the lower gasket 23 and the lower clamping die 21.

When the brazing clamp 2 is used, people place the bottom plate 11 on the lower clamping die 21, and the limiting plate 22 and the positioning column 24 on the lower clamping die 21 can limit the bottom plate 11; then, the heat exchange plates 12 are stacked on the bottom plate 11, after the heat exchange plates 12 reach a certain number, people place the upper clamping die 25 above the heat exchange plates 12, then place the upper clamping die 25, the heat exchange plates 12, the bottom plate 11 and the lower clamping die 21 inside the clamping part 26, and the clamping part 26 can drive the upper clamping die 25 and the lower clamping die 21 to move towards the direction close to each other, so that the brazing clamp 2 can clamp the heat exchange plates 12 stacked on the bottom plate 11.

Referring to fig. 2, the clamping member 26 includes two U-shaped clamping dies 261 having the same structure, and a connecting cylinder 262 disposed between the two U-shaped clamping dies 261. After the upper clamping die 25 is stacked on the base plate 11, if the distance between the lower surface of the lower clamping die 21 and the upper surface of the upper clamping die 25 is larger than the size of the opening of the U-shaped clamping die 261, the clamping member 26 can drive the upper clamping die 25 and the lower clamping die 21 to move toward each other.

Referring to fig. 2 and 4, the upper clamping mold 25 includes an upper clamping plate 251 and a clamping frame 252, the upper clamping plate 251 is horizontally disposed, the clamping frame 252 is disposed at one side of the upper clamping plate 251, a positioning groove 2511 adapted to the heat exchanger fins 12 is disposed on a side surface of the upper clamping plate 251 away from the clamping frame 252, and a first abdicating hole 2512 for the water inlet pipe 13 and the water outlet pipe 14 to pass through is disposed on the upper clamping plate 251. After the upper clamping film is placed above the heat exchange plate 12, the uppermost heat exchange plate 12 enters the positioning groove 2511 of the upper clamping plate 251, so that the upper clamping plate 251 and the heat exchange plate 12 can be positioned at the same time, and after the upper clamping die 25, the heat exchange plate 12, the bottom plate 11 and the lower clamping die 21 are placed inside the U-shaped clamping die 261, the U-shaped clamping die 261 abuts against the highest point of the clamping frame 252.

Referring to fig. 5, the clamping frame 252 includes two first clamping plates 2521 and two second clamping plates 2522, an extending direction of the first clamping plates 2521 is the same as an extending direction of the lower clamping die 21, an extending direction of the second clamping plates 2522 is perpendicular to an extending direction of the bottom plate 11, the two first clamping plates 2521 and the two second clamping plates 2522 are spliced to form a rectangular frame on the upper clamping plate 251, and second abdicating holes 2523 for the water supply and discharge pipe 14 or the water inlet pipe 13 are formed on the two second clamping plates 2522.

Referring to fig. 5, in order to reinforce the strength of the rectangular frame formed by splicing the first clamping plate 2521 and the second clamping plate 2522, a reinforcing member 3 is provided on the upper clamping plate 251.

Referring to fig. 5, the stiffener 3 includes two first stiffener plates 31, two second stiffener plates 32, two third stiffener plates 33, and two fourth stiffener plates 34, wherein a plane of the first stiffener plate 31 is parallel to a plane of the first clamping plate 2521, the two first stiffener plates 31 are disposed between the two second clamping plates 2522, the planes of the second stiffener plates 32, the third stiffener plates 33, and the fourth stiffener plates 34 are all parallel to a plane of the second clamping plates 2522, the second stiffener plates 32 and the fourth stiffener plates 34 are disposed on sides of the two first stiffener plates 31 away from each other and are fixedly connected to the first clamping plates 2521, and the third stiffener plates 33 are disposed between the two first stiffener plates 31.

Referring to fig. 4, in order to reduce the weight of the upper clamping mold 25 and to further increase the temperature rise and decrease speed of the heat exchanger plate 12, the upper clamping plate 251 is provided with a first ventilation hole 2513 penetrating therethrough, and the first clamping plate 2521, the second clamping plate 2522, the first reinforcing plate 31, the second reinforcing plate 32, the third reinforcing plate 33 and the fourth reinforcing plate 34 are provided with a second ventilation hole 35 penetrating therethrough.

To sum up, the utility model discloses a use does: when the heat exchange fins 12 need to be brazed, firstly, the bottom plate 11 is placed on the lower clamping die 21, the position of the bottom plate 11 can be fixed by the limiting plate 22 and the positioning column 24 on the lower clamping die 21, then the heat exchange fins 12 are stacked on the bottom plate 11, and after the heat exchange fins 12 are stacked to a certain height, people place the upper clamping die 25 above the heat exchange fins 12; finally, the upper clamping die 25, the lower clamping die 21, the bottom plate 11 and the heat exchanger plate 12 are placed inside the U-shaped clamping die 261, and the U-shaped clamping die 261 enables the upper clamping die 25 and the lower clamping die 21 to have a tendency of moving towards a direction of approaching each other, so that the stacked heat exchanger plates 12 can be clamped by the upper clamping die 25 and the lower clamping die 21.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A brazing jig for a battery cooler core for clamping a plurality of heat exchanger fins (12) stacked on a base plate (11), characterized in that: including lower die (21), go up die (25) and clamp die (21) and go up die (25) and press from both sides clamping piece (26) that die (25) removed to the direction that is close to each other under the drive, be provided with on die (21) down at least two can with the global looks butt of bottom plate (11) limiting plate (22), the height of limiting plate (22) is greater than the thickness of bottom plate (11), offer spacing groove (221) with the global looks adaptation of heat exchanger fin (12) on limiting plate (22).

2. The brazing jig for a battery cooler core according to claim 1, wherein: the side surface of the lower clamping die (21) close to the limiting plate (22) is provided with a lower gasket (23) which is abutted against the bottom plate (11), and the lower gasket (23) and the lower clamping die (21) are both provided with air holes (222) which penetrate through the lower gasket and the lower clamping die.

3. The brazing jig for a battery cooler core according to claim 1, wherein: a positioning column (24) is arranged on the side surface of the lower clamping die (21) close to the limiting plate (22), and a positioning hole for the positioning column (24) to pass through is formed in the bottom plate (11).

4. The brazing jig for a battery cooler core according to claim 1, wherein: the clamping piece (26) comprises two U-shaped clamping dies (261) which are oppositely arranged in parallel, and a connecting cylinder (262) is connected between the two U-shaped clamping dies (261).

5. The brazing jig for a battery cooler core according to claim 4, wherein: the upper clamping die (25) comprises an upper clamping plate (251), a positioning groove (2511) matched with the heat exchange plate (12) is formed in the side face of the upper clamping plate (251), a first yielding hole (2512) for the water inlet pipe (13) and the water outlet pipe (14) to penetrate through is further formed in the upper clamping plate (251), and a clamping frame (252) capable of abutting against the inner surface of the U-shaped clamping die (261) inside the U-shaped clamping die (261) is arranged on the upper clamping plate (251).

6. The brazing jig for a battery cooler core according to claim 5, wherein: the clamping frame (252) comprises two first clamping plates (2521) and two second clamping plates (2522), the first clamping plates (2521) and the second clamping plates (2522) are arranged on the side face, deviating from the positioning groove (2511), of the upper clamping plate (251), the two first clamping plates (2521) and the two second clamping plates (2522) are spliced into a rectangular frame on the upper clamping plate (251), and the two second clamping plates (2522) or the two first clamping plates (2521) are provided with second yielding holes (2523) for the water outlet pipe (14) or the water inlet pipe (13).

7. The brazing jig for a battery cooler core according to claim 6, wherein: a reinforcing piece (3) used for reinforcing the strength of the rectangular frame is arranged inside the rectangular frame formed by splicing the first clamping plate (2521) and the second clamping plate (2522).

8. The brazing jig for a battery cooler core according to claim 6, wherein: a first ventilation hole (2513) penetrating through the upper clamping plate (251) is formed in the upper clamping plate, and a second ventilation hole (35) penetrating through the upper clamping plate is formed in the first clamping plate (2521) and the second clamping plate (2522).