CN217223973U

CN217223973U - Brazing clamp for cooling plate

Info

Publication number: CN217223973U
Application number: CN202220118007.3U
Authority: CN
Inventors: 张清云; 李耀民; 黄凯
Original assignee: Shanghai National Defense Technology Development Corp
Current assignee: Shanghai National Defense Technology Development Corp
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-08-19
Anticipated expiration: 2032-01-17

Abstract

The application relates to a cooling plate brazing clamp, which belongs to the field of brazing tools and comprises an upper clamp and a lower clamp, wherein a cavity for placing a weldment is formed between the upper clamp and the lower clamp; one side of the upper clamp is fixedly connected with an upper rotating shaft, one side of the lower clamp, which is the same as the upper rotating shaft, is fixedly connected with a lower rotating shaft, and the upper rotating shaft and the lower rotating shaft are arranged in parallel; the upper rotating shaft and the lower rotating shaft are provided with a rotating support, one end of the rotating support is rotatably connected with the upper rotating shaft, and the other end of the rotating support is rotatably connected with the lower rotating shaft. The application provides a pair of cooling plate anchor clamps of brazing is through the support that rotates the support for go up anchor clamps and can follow the relative lower pivot of last pivot and rotate, place back on anchor clamps down when the weldment, rotate the installation work that the anchor clamps can conveniently be accomplished to last anchor clamps.

Description

Brazing clamp for cooling plate

Technical Field

The application relates to the field of brazing tools, in particular to a brazing clamp for a cooling plate.

Background

Brazing is a welding method for connecting metals, and means that brazing filler metal lower than the melting point of a weldment and the weldment are heated to the melting temperature of the brazing filler metal at the same time, and then the liquid brazing filler metal is used for filling gaps of solid workpieces to connect the metals.

In order to improve the precision of the processing and assembling of the weldment, the weldment is usually fixed on a fixture, and the fixture with the weldment is pushed into a boiler. In order to prevent the displacement of the weldment during the brazing process, the upper and lower parts of the weldment are fixed by two sets of clamps, and during the installation, the weldment is usually fixed on the lower clamp first, and then the upper clamp covers the weldment and fixes the position of the upper clamp.

In view of the above-mentioned related technologies, the inventor believes that the upper clamp cannot be placed at a corresponding position in the installation process of the upper clamp, and the position of the upper clamp needs to be adjusted for many times to fix the position of the upper clamp with the positioning bolt, which is troublesome to operate.

SUMMERY OF THE UTILITY MODEL

In order to make the installation work of going up anchor clamps more convenient, this application provides a cooling plate anchor clamps of brazing.

The application provides a cooling plate anchor clamps of brazing adopts following technical scheme:

the brazing clamp for the cooling plate comprises an upper clamp and a lower clamp, wherein a cavity for placing a weldment is formed between the upper clamp and the lower clamp; one side of the upper clamp is fixedly connected with an upper rotating shaft, one side of the lower clamp, which is the same as the upper rotating shaft, is fixedly connected with a lower rotating shaft, and the upper rotating shaft and the lower rotating shaft are arranged in parallel; the upper rotating shaft and the lower rotating shaft are provided with a rotating support, one end of the rotating support is rotatably connected with the upper rotating shaft, and the other end of the rotating support is rotatably connected with the lower rotating shaft.

By adopting the technical scheme, the rotating bracket provides a supporting function for the rotating process of the upper rotating shaft and the lower rotating shaft; the upper clamp is fixedly connected to the upper rotating shaft, and the lower clamp is fixedly connected to the lower rotating shaft, so that the upper clamp rotates along with the upper rotating shaft relative to the lower clamp; when the upper clamp is far away from the lower clamp, the weldment is placed on the lower clamp, then the upper clamp is rotated to abut against the upper surface of the weldment, and the installation of the clamp is conveniently completed.

Optionally, the upper clamp and the lower clamp both include a plurality of cross bars and a plurality of vertical bars, and the cross bars are fixedly connected with the vertical bars; two groups of brazing nets are arranged between the upper clamp and the lower clamp, and a cavity for placing a weldment is formed between the two groups of brazing nets; one end of each vertical rod of the upper clamp is connected with the upper rotating shaft, and one end of each vertical rod of the lower clamp is connected with the lower rotating shaft.

By adopting the technical characteristics, the transverse rods are fixedly connected with the vertical rods, so that the heat absorption of the clamp in the brazing process can be reduced, and the influence of the heated deformation of the clamp on the assembly precision of the welding piece is further reduced; the weldment is located between two sets of brazing nets for the brazing net can press from both sides tight weldment, supports the weldment, and the brazing net also can reduce because of anchor clamps direct contact weldment and the influence that causes the smoothness of the weldment surface.

Optionally, a positioning bolt is arranged on the brazing net, and the positioning bolt is used for penetrating through the brazing net to be matched with the positioning hole in the weldment.

By adopting the technical scheme, the positioning bolts penetrate through the meshes of the brazing nets to be matched with the positioning holes so as to limit the positions of the welding piece and the two groups of brazing nets; when the clamp with the weldment is conveyed into the boiler, the weldment is easy to displace, and the positioning bolts can reduce the relative displacement between the weldment and the two groups of brazing nets in the conveying process, so that the assembly precision of the weldment is ensured.

Optionally, a limiting rod is fixedly connected between the adjacent vertical rods of the lower clamp, a limiting hole is formed in the limiting rod, and the positioning bolt penetrates through the limiting hole.

Through adopting above-mentioned technical scheme, positioning bolt passes locating hole, the net mesh of brazing and spacing hole simultaneously, prescribes a limit to the relative position between brazing net, weldment and the gag lever post, because the gag lever post is fixed in on the montant, then on the gag lever post was fixed in anchor clamps down, through positioning bolt, prescribed a limit to the weldment and the position of brazing net on anchor clamps down, improved the stability of weldment on anchor clamps down.

Optionally, the two ends of the limiting rod, which are close to the vertical rod, are fixedly provided with clamping blocks, and the vertical rod is provided with clamping grooves for the clamping blocks to be inserted and connected.

By adopting the technical scheme, the positioning bolt needs to simultaneously penetrate through the positioning hole and the limiting hole, so that the alignment of the limiting hole and the positioning hole needs to be ensured when the limiting rod is installed; a clamping groove is formed in the position corresponding to the vertical rod, so that after the clamping block is inserted into the clamping groove, the limiting hole can be aligned with the positioning hole; when the limiting rod is assembled, the clamping block is firstly inserted into the clamping groove and then welded; the assembling of the limiting rod does not need to be carried by hand, the assembling safety is improved, and meanwhile, the displacement of the limiting rod in the welding process can be reduced, so that the limiting rod can be welded on the corresponding position, the alignment of a limiting hole and a positioning hole is guaranteed, and the position of a positioning bolt on a welding part is limited.

Optionally, the two groups of brazing nets are detachably connected to the upper fixture and the lower fixture respectively.

By adopting the technical scheme, in the brazing process, the brazing filler metal coated on the weldment partially slides onto the brazing net when not solidified, and the brazing filler metal on the brazing net can influence the assembly precision of other weldments due to the repeated use of the brazing net; the net of brazing can be dismantled, then conveniently clears up the net of brazing, reduces the influence to other weldment.

Optionally, two ends of a vertical rod at two ends of the lower rotating shaft are respectively and fixedly connected with a supporting leg, and the supporting legs are perpendicular to the lower rotating shaft; the upper rotating shaft and the lower rotating shaft penetrate through the support legs and are rotatably connected with the support legs; the upper end of stabilizer blade sets firmly the locating piece, the lower extreme of stabilizer blade sets firmly the brace table, set up on the brace table and supply the constant head tank of locating piece grafting.

By adopting the technical scheme, the upper rotating shaft and the lower rotating shaft are rotatably connected to the support legs, so that the support legs do not influence the rotation of the upper rotating shaft and the lower rotating shaft, and simultaneously, the two ends of the upper rotating shaft and the lower rotating shaft can be supported; the locating slot supplies the locating piece to peg graft for a plurality of anchor clamps can stack together, have saved the usage space.

Optionally, a plurality of heat dissipation holes are formed in the cross rod and the vertical rod.

By adopting the technical scheme, the heat dissipation holes can reduce the heat absorbed by the clamp in the brazing process, reduce the thermal deformation of the clamp, further reduce the influence of the deformation of the clamp on the position of the weldment and improve the assembly precision of the weldment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. under the supporting action of the rotating support, the upper rotating shaft can rotate relative to the lower rotating shaft, so that the upper clamp can rotate relative to the lower clamp, and the weldment can be clamped by the upper clamp and the lower clamp only by rotating the upper clamp to abut against the upper surface of the weldment after the weldment is placed on the lower clamp, so that the clamp is convenient to mount;

2. the positioning bolt penetrates through the limiting hole, the brazing net and the positioning hole, so that the relative positions of the lower clamp, the brazing net and the weldment are limited, the stability of the weldment is improved, the displacement of the weldment in the carrying process is reduced, and the assembly precision is improved.

Drawings

FIG. 1 is a schematic overall structure diagram of a cooling plate brazing clamp according to an embodiment of the present application, which is intended to embody the structure of an upper clamp;

FIG. 2 is a schematic perspective view of the cross bar and the vertical bar of FIG. 1;

FIG. 3 is a schematic view of the structure from another perspective of FIG. 1, intended to embody the structure of the lower clamp;

FIG. 4 is an enlarged partial schematic view at B of FIG. 3;

FIG. 5 is an enlarged partial schematic view at A of FIG. 1;

FIG. 6 is an enlarged partial schematic view at C of FIG. 3;

FIG. 7 is a schematic view of the upper fixture and brazing mesh of FIG. 1 in a connected relationship;

FIG. 8 is an enlarged partial schematic view of FIG. 7 at D;

FIG. 9 is an enlarged partial schematic view at E in FIG. 7;

FIG. 10 is a schematic view of the lower fixture of FIG. 1 in connection with a brazing mesh;

fig. 11 is a partially enlarged schematic view at F in fig. 10.

Description of reference numerals: 1. an upper clamp; 2. a lower clamp; 3. an upper rotating shaft; 4. a lower rotating shaft; 5. rotating the bracket; 6. a cross bar; 61. a first clamping groove; 7. a vertical rod; 71. a second clamping groove; 8. brazing the mesh; 9. positioning the bolt; 10. a limiting rod; 11. a clamping block; 12. a card slot; 13. a leg; 14. positioning blocks; 15. a support table; 16. positioning a groove; 17. heat dissipation holes; 18. a first positioning plate; 19. a second positioning plate; 20. an upper fixing plate; 21. a third positioning plate; 22. a lower fixing plate; 23. a fixed block; 24. and a cotter pin.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

The embodiment of the application discloses cooling plate anchor clamps of brazing, refer to fig. 1, including last anchor clamps 1 and lower anchor clamps 2, go up and form the cavity that supplies the weldment to place between anchor clamps 1 and the lower anchor clamps 2, go up anchor clamps 1 and lower anchor clamps 2 and be square setting. Go up pivot 3 on one side fixedly connected with of anchor clamps 1, pivot 4 under the lower anchor clamps 2 and the same one side fixedly connected with of last pivot 3, and go up pivot 3 and pivot 4 parallel to each other down. Be equipped with two and rotate support 5 between last pivot 3 and lower pivot 4, the round hole has been seted up to the upper end of rotating support 5, and go up pivot 3 and wear to establish two round holes and rotate with rotating support 5 and be connected, and the arc wall has been seted up to the lower extreme that rotates support 5, and lower pivot 4 rotates with rotating support 5 with arc wall joint cooperation and is connected for go up pivot 3 can rotate at the round hole, and pivot 4 below also can rotate as the centre of a circle.

Rotating bracket 5 rotates with last pivot 3 and lower pivot 4 simultaneously and is connected for last pivot 3 can be relative pivot 4 rotations down, because last pivot 3 fixed connection in last anchor clamps 1, lower pivot 4 fixed connection in anchor clamps 2 down, then go up anchor clamps 1 and keep away from one side that last pivot 3 can be relative down anchor clamps 2 and be close to one side rotation of lower pivot 4. The rotating support 5 has a supporting function on the upper rotating shaft 3 in the rotating process, and the upper rotating shaft 3 and the lower rotating shaft 4 are guaranteed to be parallel in the rotating process. When the upper clamp 1 is far away from the lower clamp 2, the weldment is placed on the lower clamp 2, and then the upper clamp 1 is rotated to enable the upper clamp to abut against the upper surface of the weldment, so that the installation work of the upper clamp 1 is conveniently completed.

Referring to fig. 1 and 2, the upper clamp 1 and the lower clamp 2 both include a plurality of cross bars 6 and a plurality of vertical bars 7 that are perpendicular to each other, the height of the cross bars 6 is equal to that of the vertical bars 7, and the cross bars 6 are parallel to the upper rotary shaft 3. One end of all vertical rods 7 of the upper clamp 1 is connected to the upper rotating shaft 3, and one end of all vertical rods 7 of the lower clamp 2 is connected to the lower rotating shaft 4. Two groups of brazing nets 8 are arranged between the upper clamp 1 and the lower clamp 2, and a cavity for placing a weldment is formed between the two groups of brazing nets 8. The one end of all montants 7 of upper fixture 1 all wears to locate last pivot 3, and the one end of all montants 7 of lower fixture 2 all wears to locate lower pivot 4.

In order to reduce the heat absorption of the clamp, a plurality of heat dissipation holes 17 are uniformly formed in the cross rod 6 and the vertical rod 7.

A plurality of first joint grooves 61 have evenly been seted up along self length direction in one side that the net 8 was kept away from to horizontal pole 6, and a plurality of second joint grooves 71 have evenly been seted up along self length direction in one side that montant 7 is close to net 8, and first joint groove 61 and the mutual joint in second joint groove 71 and vertical setting realize the grafting cooperation of horizontal pole 6 and montant 7.

When the clamp is spliced, firstly, the cross rod 6 and the vertical rod 7 are connected with the second clamping groove 71 in a matched mode through the first clamping groove 61, then the joint of the cross rod 6 and the vertical rod 7 is welded, the welding process does not need to be held by hands, the operation is safe, the displacement of the cross rod 6 and the vertical rod 7 in the welding process can be reduced due to the clamping connection of the cross rod 6 and the vertical rod 7, and the stability of the clamp is improved; the brazing net 8 is located between the upper clamp 1 and the lower clamp 2, a cavity for placing a weldment is formed between the two groups of brazing nets 8, the brazing net 8 has a clamping effect on the weldment, and then the stabilizing effect of the upper clamp 1 and the lower clamp 2 on the weldment is achieved.

Referring to fig. 3, a limiting rod 10 is arranged between the adjacent vertical rods 7 of the lower clamp 2, the limiting rod 10 is a square tube, and two ends of the limiting rod 10 in the length direction are welded on the vertical rods 7. A limiting hole penetrating through the side wall of the limiting rod 10 is formed in the side wall of the limiting rod 10, and the limiting hole is overlapped with the axis of a positioning hole formed in the weldment and is perpendicular to the brazing net 8; one side that the gag lever post 10 kept away from brazing net 8 is equipped with positioning bolt 9 of wearing to locate spacing hole, positioning bolt 9 still wears to locate 8 meshes of brazing net and locating hole, inject brazing net 8 and the relative gag lever post 10's of weldment position, because on gag lever post 10 is fixed in lower fixture 2, then positioning bolt 9 can fix weldment and the position of brazing net 8 on lower fixture 2, reduce the displacement of weldment in anchor clamps handling, the assembly precision has been improved.

Referring to fig. 3 and 4, the limiting rod 10 is welded with the clamping blocks 11 at two ends close to the adjacent vertical rods 7, the vertical rods 7 are provided with clamping grooves 12 for the clamping blocks 11 to be inserted, and the positions of the clamping grooves 12 can meet the requirement that the limiting holes are aligned with the positioning holes, so that the positioning effect is achieved. The limiting rod 10 is firstly inserted into the vertical rod 7, the insertion part is welded, then the vertical rod 7 provided with the limiting rod 10 is inserted into and fixed with the transverse rod 6, the limiting rod 10 can be assembled, and the assembling accuracy of the limiting rod 10 can be improved.

Referring to fig. 5 and 6, two ends of the vertical rod 7 of the lower clamp 2 at two ends of the lower rotating shaft 4 are respectively welded with a support leg 13, the support legs 13 are perpendicular to the lower rotating shaft 4, two through holes are formed in the support legs 13, the axes of the two through holes are horizontal, the upper rotating shaft 3 penetrates through the through hole in the upper part, the lower rotating shaft 4 penetrates through the through hole in the lower part, and the upper rotating shaft 3 and the lower rotating shaft 4 are both in running fit with the through holes. The upper end of the supporting leg 13 higher than the upper clamp 1 is welded with a positioning block 14, the lower end of the supporting leg 13 is welded with a supporting table 15, and the bottom surface of the supporting table 15 is horizontally arranged and flush with the bottom surface of the lower clamp 2. The support table 15 is provided with a positioning groove 16 for the insertion of the positioning block 14, and the positioning groove 16 is aligned with the positioning block 14.

The support legs 13 are located at two ends of the upper rotating shaft 3 and the lower rotating shaft 4, and have a supporting function on the upper rotating shaft 3 and the lower rotating shaft 4, so that the parallel relation between the upper rotating shaft 3 and the lower rotating shaft 4 in the rotating process is guaranteed. The positioning block 14 is higher than the upper clamp 1 and is aligned with the positioning groove 16, and the positioning block 14 is matched with the positioning groove 16 in an inserting manner, so that the clamps can be stacked up and down, and the use space is saved.

Referring to fig. 7-9, two ends of the cross rod 6 of the upper clamp 1 are respectively provided with a first positioning plate 18 perpendicular to the upper rotating shaft 3, one side of the vertical rod 7 of the upper clamp 1 close to the upper rotating shaft 3 is provided with a second positioning plate 19 parallel to the upper rotating shaft 3, one side far away from the upper rotating shaft 3 is provided with an upper fixing plate 20 parallel to the upper rotating shaft 3, and the first positioning plate 18, the second positioning plate 19 and the upper fixing plate 20 form a rectangular frame surrounding the brazing net 8. The second positioning plate 19 and the upper fixing plate 20 are both right-angle plates, one side of each of the second positioning plate 19 and the upper fixing plate 20 is parallel to the brazing net 8, the other side of each of the second positioning plate 19 and the upper fixing plate 20 is perpendicular to the brazing net 8, and one side of each of the second positioning plate 19 and the upper fixing plate 8 is in butt joint with the lower surface of the brazing net 8 above the brazing net to ensure that the brazing net 8 above the brazing net can be opened and closed together with the upper clamp 1.

Referring to fig. 10 and 11, the lower brazing net 8 is lapped on the vertical rods 7 at both ends of the lower rotating shaft 4 in parallel with both ends of the lower rotating shaft 4, and the legs 13 at both ends of the vertical rods 7 limit the displacement of the brazing net 8 in the direction perpendicular to the lower rotating shaft 4. One end of the cross rod 6 of the lower clamp 2 is provided with a third positioning plate 21 perpendicular to the lower rotating shaft 4, the other end of the cross rod is provided with a lower fixing plate 22 perpendicular to the lower rotating shaft 4, and the third positioning plate 21 and the lower fixing plate 22 are positioned at two ends of the brazing net 8 parallel to the lower rotating shaft 4 to limit the displacement of the brazing net 8 in the direction parallel to the lower rotating shaft 4. The two ends of the lower brazing net 8 perpendicular to the lower rotating shaft 4 are connected with the supporting legs 13 in a clamped mode, the third positioning plate 21 and the lower fixing plate 22 are arranged to be right-angled plates, one sides of the third positioning plate 21 and the lower fixing plate 22 are parallel to the brazing net 8, the other sides of the third positioning plate 21 and the lower fixing plate 22 are perpendicular to the brazing net 8, one sides of the third positioning plate and the lower fixing plate are parallel to the upper surface of the lower brazing net 8 in a butt mode, one sides of the third positioning plate and the lower fixing plate are parallel to the brazing net 8, the lower brazing net 8 is fixed on the lower clamp 2 in a abutted mode.

Referring to fig. 7 and 10, fixing blocks 23 are welded at two ends of the cross rod 6 and the vertical rod 7, the first positioning plate 18, the second positioning plate 19 and the third positioning plate 21 are welded on the fixing blocks 23, a through hole for the fixing blocks 23 to penetrate is formed in one side, perpendicular to the brazing net 8, of the upper fixing plate 20 and the lower fixing plate 22, and a cotter pin 24 is arranged at one end, extending to the outer end of the through hole, of the fixing blocks 23 in a penetrating mode.

When the brazing net 8 needs to be cleaned, the upper fixing plate 20 and the lower fixing plate 22 can be detached by opening the cotter pin 24, the brazing net 8 above slides out towards one side far away from the upper rotating shaft 3 along the direction vertical to the upper rotating shaft 3, and then the brazing net 8 above is taken out; and sliding the lower brazing net 8 out towards one side of the lower fixing plate 22 along the direction parallel to the lower rotating shaft 4, and taking out the lower brazing net 8, so that the disassembly work of the brazing net 8 is conveniently completed.

The implementation principle of the cooling plate brazing clamp in the embodiment of the application is as follows: the upper clamp 1 is opened to enable the upper clamp 1 to be far away from the lower clamp 2, the weldment is placed on the brazing net 8, the upper clamp 1 is rotated until the upper clamp 1 abuts against the upper surface of the weldment, the positioning bolt 9 penetrates through the limiting rod 10 to be matched with the positioning hole in the weldment and the brazing net 8, and then the installation work of the upper clamp 1 is completed. When the clamp is stored, the positioning groove 16 is matched with the positioning block 14 in an inserting manner, so that the clamp can be stacked up and down, and the use space is saved. When the brazing net 8 needs to be cleaned, the cotter pin 24 and the fixing plate are taken out, and the brazing net 8 can be drawn out for cleaning.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The brazing clamp for the cooling plate comprises an upper clamp (1) and a lower clamp (2), wherein a cavity for placing a weldment is formed between the upper clamp (1) and the lower clamp (2); the method is characterized in that: an upper rotating shaft (3) is fixedly connected to one side of the upper clamp (1), a lower rotating shaft (4) is fixedly connected to the same side of the lower clamp (2) as the upper rotating shaft (3), and the upper rotating shaft (3) and the lower rotating shaft (4) are arranged in parallel; go up pivot (3) with be equipped with between lower pivot (4) and rotate support (5), the one end of rotating support (5) rotate connect in go up pivot (3), the other end rotate connect in lower pivot (4).

2. A cooling plate brazing clamp according to claim 1, wherein the upper clamp (1) and the lower clamp (2) each comprise a plurality of cross bars (6) and a plurality of vertical bars (7), the cross bars (6) being fixedly connected with the vertical bars (7); two groups of brazing nets (8) are arranged between the upper clamp (1) and the lower clamp (2), and a cavity for placing a weldment is formed between the two groups of brazing nets (8); one end of all the vertical rods (7) of the upper clamp (1) is connected with the upper rotating shaft (3), and one end of all the vertical rods (7) of the lower clamp (2) is connected with the lower rotating shaft (4).

3. A cold plate brazing jig according to claim 2, wherein the brazing mesh (8) is provided with positioning bolts (9), and the positioning bolts (9) are used for penetrating the brazing mesh (8) to be matched with positioning holes in the weldment.

4. The cooling plate brazing clamp according to claim 3, wherein a limiting rod (10) is fixedly connected between the adjacent vertical rods (7) of the lower clamp (2), a limiting hole is formed in the limiting rod (10), and the positioning bolt (9) penetrates through the limiting hole.

5. The cooling plate brazing clamp according to claim 4, wherein clamping blocks (11) are fixedly arranged at two ends, close to the vertical rod (7), of the limiting rod (10), and clamping grooves (12) for the clamping blocks (11) to be inserted are formed in the vertical rod (7).

6. A cold plate brazing jig according to claim 2, wherein two sets of said brazing mesh (8) are detachably attached to said upper jig (1) and said lower jig (2), respectively.

7. The cooling plate brazing clamp according to claim 1, wherein two ends of the vertical rod (7) at two ends of the lower rotating shaft (4) are fixedly connected with a supporting leg (13), and the supporting legs (13) are perpendicular to the lower rotating shaft (4); the upper rotating shaft (3) and the lower rotating shaft (4) penetrate through the supporting legs (13) and are rotatably connected with the supporting legs (13);

the upper end of the supporting leg (13) is fixedly provided with a positioning block (14), the lower end of the supporting leg (13) is fixedly provided with a supporting table (15), and the supporting table (15) is provided with a positioning groove (16) for the positioning block (14) to be inserted.

8. The cooling plate brazing clamp according to claim 2, wherein a plurality of heat dissipation holes (17) are formed in each of the cross rod (6) and the vertical rod (7).