CN112388213B

CN112388213B - Cooling device for welding conveying assembly line

Info

Publication number: CN112388213B
Application number: CN202011400654.5A
Authority: CN
Inventors: 杨宗玉
Original assignee: Brackett Equipment Suzhou Co ltd
Current assignee: Brackett Equipment Suzhou Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2022-04-12
Anticipated expiration: 2040-12-02
Also published as: CN112388213A

Abstract

The application relates to the field of spray cooling, in particular to a cooling device for a welding and conveying assembly line, it includes the mounting bracket, be equipped with fixed plate and the fly leaf that is relative setting on the mounting bracket, welding conveying line wears to locate between fixed plate and the fly leaf, the fixed plate is fixed on the mounting bracket, the bottom side of fly leaf articulates in the mounting bracket, the top fixedly connected with roof of fixed plate, be equipped with the joint subassembly that is used for with the roof joint on the fly leaf, install first shower on the fixed plate, wear to be equipped with the raceway at intercommunication water source on the fixed plate, install the second shower on the fly leaf, second intercommunication piece is last to slide to peg graft and is had the grafting pipe, the outer wall laminating of grafting pipe is in the inner wall of second intercommunication piece, it has the intercommunication mouth that feeds through in the second shower to peg graft to open on the pipe, the tip that first intercommunication piece was kept away from to the connecting pipe feeds through in the grafting pipe, the connection can be dismantled in the connecting pipe to the grafting pipe. This application has the effect of cooling off fast to the sheet metal on the welding conveying assembly line.

Description

Cooling device for welding conveying assembly line

Technical Field

The application relates to the field of spray cooling, in particular to a cooling device for a welding and conveying assembly line.

Background

In the machining production of the metal plate, a high-temperature welding processing technology is generally adopted, the metal plate is erected on a conveying production line, and the metal plate is sequentially subjected to high-temperature welding.

With respect to the related art in the above, the inventors consider that: in order to rapidly blank the high-temperature welded workpiece, the workpiece needs to be rapidly cooled.

Disclosure of Invention

In order to cool down the sheet metal on the welding conveying assembly line fast, this application provides a cooling device for welding conveying assembly line.

The application provides a cooling device for welding conveying assembly line adopts following technical scheme:

a cooling device for a welding and conveying assembly line comprises a mounting frame, wherein a fixed plate and a movable plate which are arranged oppositely are arranged on the mounting frame, the welding and conveying assembly line is arranged between the fixed plate and the movable plate in a penetrating mode, the fixed plate is fixed on the mounting frame, the bottom side of the movable plate is hinged to the mounting frame, a top plate is fixedly connected to the top end of the fixed plate, a clamping component used for being clamped with the top plate is arranged on the movable plate, a first spray pipe is arranged on the side face, facing the movable plate, of the fixed plate, a plurality of first spray openings are formed in the first spray pipe, a water delivery pipe communicated with a water source is arranged on the fixed plate in a penetrating mode, the water delivery pipe is located at one end of the first spray pipe, a first communicating piece is communicated with the end, close to the water delivery pipe, of the first spray pipe is communicated with the first communicating piece, a connecting pipe is arranged at one end, far away from the water delivery pipe, a second spray pipe arranged oppositely to the first spray pipe is arranged on the movable plate, it has a plurality of second to spray mouthful to open on the second shower, first spraying mouthful and second spray mouthful all towards the welding conveying assembly line, the one end intercommunication that the second shower is close to the connecting pipe has second intercommunication piece, it has the grafting pipe to slide in the second intercommunication piece and peg graft, the outer wall laminating of grafting pipe in the inner wall of second intercommunication piece, the second shower perpendicular to grafting pipe, it has the intercommunication mouth that communicates in the second shower to open on the grafting pipe, the tip that first intercommunication piece was kept away from to the connecting pipe communicates in the grafting pipe, the grafting pipe can be dismantled and connect in the connecting pipe.

Through adopting above-mentioned technical scheme, the raceway intercommunication water source supplies water to first shower and second shower simultaneously, and the work piece on the welding conveying assembly line is spouted from first spraying mouth and second spraying mouth respectively to the cooling water, cools off high temperature welded work piece. The pipe of pegging graft can be dismantled and connect in the connecting pipe, is convenient for with second intercommunication piece and connecting pipe separation, and the staff utilizes the joint subassembly to separate fly leaf and roof to be convenient for to the installation or the dismantlement of first spray assembly and second spray assembly. Above-mentioned technical scheme supplies water to first shower and second shower in proper order through the raceway, has reached the effect to the quick cooling of high temperature welded sheet metal.

Optionally, the one end that the grafting pipe is close to the connecting pipe is worn out the second intercommunication piece and is linked together in the connecting pipe, and the one end that the connecting pipe was kept away from to the grafting pipe is connected with the shutoff piece, and the shutoff piece is worn to locate the fly leaf and is rotated with the fly leaf and be connected, and the tip that the grafting pipe was kept away from to the shutoff piece is equipped with the mark arrow that is used for marking the intercommunication mouth orientation.

Through adopting above-mentioned technical scheme, when first shower or second shower take place the damage, after the staff closed the raceway water source, rotate the shutoff piece for the pipe of pegging graft breaks away from the connecting pipe, utilizes the joint subassembly to make the fly leaf break away from the roof, then rotates the fly leaf towards the direction of keeping away from the fixed plate, thereby the staff of being convenient for dismantles the change to first shower or second shower.

Optionally, the end part of the insertion pipe close to the connecting pipe is fixedly sleeved with a limiting ring.

Through adopting above-mentioned technical scheme, the spacing ring has reduced the possibility that the grafting pipe breaks away from second intercommunication piece.

Optionally, the joint subassembly includes the joint piece, and open the top side of fly leaf has the mouth of holding, packs the elastic component in the holding mouth, and the joint piece slides in holding the mouth, and the elastic component extrusion is between the diapire of holding the mouth and the joint piece, and one side that the fly leaf deviates from the fixed plate is opened there is the mouth of sliding, and the mouth of sliding communicates in holding the mouth, is connected with the push pedal of sliding in the mouth of sliding on the joint piece, and it has the joint mouth that supplies the joint piece to peg graft to open on the roof.

Through adopting above-mentioned technical scheme, the joint piece is supported tightly in the joint mouth by the effect of the elasticity of elastic component, realizes the fixed to the fly leaf, and when needs rotated the fly leaf, the staff promoted the push pedal for the joint piece breaks away from the joint mouth, and the fly leaf breaks away from the roof, can rotate the fly leaf.

Optionally, one side of the top end of the clamping block towards the fixing plate is an inclined plane, and the thickness of the clamping block is gradually reduced along the direction close to the clamping interface.

Through adopting above-mentioned technical scheme, the top of joint piece is the inclined plane towards one side of fixed plate for when fixing the fly leaf, the roof is contradicted and can be advanced the joint piece compression in holding the mouth in the inclined plane of joint piece, and the elastic component compression when holding the mouth and being linked together in the joint mouth, and elastic component elastic potential energy release has reached the effect that the staff of being convenient for fixed fly leaf with joint piece joint in the joint mouth.

Optionally, a first supporting bar for mounting a first spraying pipe is connected to the fixed plate, a first arc-shaped groove is formed in the bottom of the first supporting bar, the central angle of the first arc-shaped groove is larger than 180 degrees, the opening of the first arc-shaped groove faces the welding and conveying assembly line, the first spraying pipe is inserted into the first arc-shaped groove, and the first spraying opening faces the opening of the first arc-shaped groove;

the movable plate is connected with a second supporting strip used for installing a second spraying pipe, the bottom of the second supporting strip is provided with a second arc-shaped groove, the central angle of the second arc-shaped groove is larger than 180 degrees, the opening of the second arc-shaped groove faces to the welding conveying pipeline, the second spraying pipe is inserted into the second arc-shaped groove, and the second spraying opening faces to the opening of the second arc-shaped groove.

Through adopting above-mentioned technical scheme, first shower is pegged graft in first arc wall, and the second shower is pegged graft in the second arc wall, realizes the installation to first shower and second shower.

Optionally, the first spraying opening is communicated with a first spraying pipe, the inner diameter of the end part of the first spraying pipe, which is far away from the first spraying pipe, is smaller than the inner diameter of the first spraying opening, the second spraying opening is communicated with a second spraying pipe, the inner diameter of the end part of the second spraying pipe, which is far away from the second spraying pipe, is smaller than the inner diameter of the second spraying opening, and the first spraying pipe and the second spraying pipe face towards the welding conveying assembly line.

Through adopting above-mentioned technical scheme, the tip internal diameter that first shower was kept away from to first shower is less than the internal diameter of first mouth that sprays, and the tip internal diameter that the second shower is kept away from to the second shower is less than the internal diameter of second mouth that sprays, has played the increase and has sprayed hydraulic effect.

Optionally, both ends of the first arc-shaped groove penetrate through both end faces of the first supporting strip, both ends of the second arc-shaped groove penetrate through both end faces of the second supporting strip, and the end portions, far away from the connecting pipe, of the first supporting strip and the second supporting strip are respectively connected with the limiting plate.

Through adopting above-mentioned technical scheme, the limiting plate on the first support strip has reduced the possibility that first shower breaks away from first support strip, and the limiting plate on the second support strip has reduced the possibility that the second shower breaks away from the second support strip.

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

1. the first spraying pipe and the second spraying pipe are arranged, so that the effect of spraying and cooling the high-temperature welded metal plate is achieved;

2. the movable plate is rotated by separating the inserting pipe from the connecting pipe, so that a worker can conveniently detach and replace the first spraying pipe or the second spraying pipe;

3. set up first shower and second shower, the tip internal diameter that first shower was kept away from to first shower is less than the internal diameter of first mouth that sprays, and the tip internal diameter that second shower was kept away from to the second shower is less than the internal diameter that the second sprayed the mouth, has played the increase and has sprayed hydraulic effect.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a cross-sectional view for embodying a snap-in assembly.

Fig. 3 is a schematic structural view for embodying the second shower.

Fig. 4 is a schematic structural view for embodying the communication port.

Description of reference numerals: 1. a mounting frame; 11. a supporting seat; 2. a welding conveying assembly line; 3. a fixing plate; 31. a first support bar; 32. a first arc-shaped slot; 33. a first shower pipe; 34. a first spray port; 35. a first spray pipe; 4. a movable plate; 41. an accommodating port; 42. a sliding port; 43. a second supporting strip; 44. a second arc-shaped slot; 45. a second shower pipe; 46. a second spray port; 47. a second spray pipe; 5. a top plate; 51. a card interface; 6. a clamping assembly; 61. a clamping block; 62. an elastic member; 63. pushing the plate; 7. a water delivery pipe; 71. a first communication member; 72. a connecting pipe; 73. a second communicating member; 74. inserting a pipe; 741. a communication port; 75. a blocking member; 76. a knob; 761. marking an arrow; 77. a limiting ring; 8. and a limiting plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a cooling device for a welding conveying assembly line. Referring to fig. 1, a cooling device for welding conveying assembly line 2 includes mounting bracket 1, and mounting bracket 1 includes supporting seat 11, and supporting seat 11 is equipped with two relatively, and welding conveying assembly line 2 wears to establish between two supporting seats 11. One of the supporting bases 11 is fixedly connected with a fixed plate 3, the other supporting base 11 is hinged with a movable plate 4, the bottom side of the movable plate 4 is hinged with the mounting frame 1, and the fixed plate 3 and the movable plate 4 are arranged oppositely.

Referring to fig. 1 and 2, the top end of the fixed plate 3 is fixedly connected with a top plate 5, the top plate 5 is horizontally arranged, and the top end of the movable plate 4 is provided with a clamping assembly 6 for clamping with the top plate 5. The clamping assembly 6 comprises a clamping block 61, the top side of the movable plate 4 is provided with an accommodating port 41, an elastic part 62 is filled in the accommodating port 41, the elastic part 62 is a pressure spring, the clamping block 61 slides in the accommodating port 41, and the elastic part 62 is extruded between the clamping block 61 and the bottom wall of the accommodating port 41.

Referring to fig. 1 and 2, a sliding opening 42 is formed in one side of the movable plate 4, which is away from the fixed plate 3, the sliding opening 42 is communicated with the accommodating opening 41, a push plate 63 is integrally formed on the clamping block 61, the push plate 63 slides in the sliding opening 42, a clamping opening 51 is formed in the end portion, which is close to the movable plate 4, of the top plate 5, the clamping opening 51 is arranged downward, and when the movable plate 4 is in a vertical state, the clamping opening 51 is communicated with the accommodating opening 41. The elastic member 62 presses the clamping block 61 tightly in the clamping interface 51 to fix the movable plate 4.

When the movable plate 4 needs to be rotated, the worker pushes the push plate 63 downwards, and the push plate 63 drives the clamping block 61 to move downwards, so that the clamping block 61 is separated from the clamping interface 51, and the movable plate 4 can be rotated.

Referring to fig. 1 and 2, the top of joint piece 61 is the inclined plane towards one side of fixed plate 3, and the thickness of joint piece 61 reduces along the direction that is close to joint interface 51 gradually for when fixing fly leaf 4, roof 5 contradicts in the inclined plane of joint piece 61 can be with in the compression of joint piece 61 advances the holding mouth 41, and elastic component 62 compresses. When the accommodating port 41 is communicated with the clamping port 51, the elastic potential energy of the elastic member 62 is released, and the clamping block 61 is clamped in the clamping port 51, so that the effect of facilitating the fixing of the movable plate 4 by the working personnel is achieved.

Referring to fig. 1 and 2, a first supporting bar 31 is fixedly connected to a side of the fixed plate 3 facing the movable plate 4, and a vertical cross-section of the first supporting bar 31 is a right triangle. The bottom side inclined plane of the first supporting strip 31 is arranged towards the welding and conveying assembly line 2, the bottom side inclined plane of the first supporting strip 31 is provided with a first arc-shaped groove 32, the opening of the first arc-shaped groove 32 faces the welding and conveying assembly line 2, and two ends of the first arc-shaped groove 32 penetrate through two end faces of the first supporting strip 31.

Referring to fig. 1, the first arc-shaped groove 32 is inserted and matched with the first spray pipe 33, and in order to prevent the first spray pipe 33 from falling, the central angle of the first arc-shaped groove 32 is larger than 180 °. The first spraying pipe 33 is provided with a plurality of first spraying ports 34, the first spraying ports 34 are distributed along the axial direction of the first spraying pipe 33, and the first spraying ports 34 face the welding conveying assembly line 2.

Referring to fig. 1 and 3, a second supporting bar 43 is fixedly connected to a side surface of the movable plate 4 facing the fixed plate 3, and a vertical cross section of the second supporting bar 43 is a right triangle. The bottom side inclined plane of the second supporting bar 43 is arranged towards the welding conveying assembly line 2, the bottom side inclined plane of the second supporting bar 43 is provided with a second arc-shaped groove 44, the opening of the second arc-shaped groove 44 faces towards the welding conveying assembly line 2, and two ends of the first arc-shaped groove 32 penetrate through two end faces of the first supporting bar 31.

Referring to fig. 1 and 3, a second spraying pipe 45 is inserted into and fitted into the second arc-shaped groove 44, and in order to prevent the second spraying pipe 45 from falling, the central angle of the second arc-shaped groove 44 is greater than 180 °. The second spraying pipe 45 is provided with a plurality of second spraying ports 46, the plurality of second spraying ports 46 are distributed along the axial direction of the second spraying pipe 45, and the second spraying ports 46 face the welding conveying assembly line 2.

Referring to fig. 1, a water pipe 7 communicated with a water source is arranged on the fixing plate 3 in a penetrating manner, and the water pipe 7 is in threaded connection with the fixing plate 3. The water conveying pipe 7 is positioned at one end of the first spraying pipe 33, the end part of the first spraying pipe 33 close to the water conveying pipe 7 is communicated with a first communicating piece 71, the first communicating piece 71 is a three-way pipe, and the first communicating piece 71 is in threaded connection with the first spraying pipe 33.

Referring to fig. 3, the water pipe 7 is communicated with the first communicating member 71 and is in threaded connection with the first communicating member 71, and one end of the first communicating member 71 away from the water pipe 7 is communicated with the connecting pipe 72 and is in threaded connection with the connecting pipe 72. The axis of the connecting pipe 72 is collinear with the axis of the water duct 7.

Referring to fig. 3 and 4, a second communicating member 73 is communicated with the end portion of the second spraying pipe 45 close to the connecting pipe 72, the second communicating member 73 is a tee pipe, and the second spraying pipe 45 is connected to the second communicating member 73 in a threaded manner. The second communicating member 73 is internally provided with an inserting pipe 74 in a penetrating way, and the inserting pipe 74 is vertical to the second spraying pipe 45. The outer side wall of the insertion tube 74 is fitted to the inner wall of the second communicating member 73, two ends of the insertion tube 74 penetrate through two tube openings of the second communicating member 73 respectively, and a communicating opening 741 for communicating with the second spraying tube 45 is formed in the middle of the insertion tube 74.

Referring to fig. 3 and 4, one end of the insertion tube 74 close to the connection tube 72 is connected to the connection tube 72 by a screw, and the two are communicated with each other, one end of the insertion tube 74 far from the connection tube 72 is fixedly connected to a blocking member 75, the blocking member 75 is a cylinder and has a screw on an outer circumferential surface, and the blocking member 75 is inserted into the movable plate 4 and is connected to the movable plate 4 by a screw. A knob 76 is fixedly connected to an end of the blocking piece 75 away from the plug tube 74, and a mark arrow 761 for marking the direction of the communication port 741 is carved on the knob 76.

Referring to fig. 3, in order to reduce the possibility that the plug tube 74 is separated from the second communicating member 73, a limiting ring 77 is sleeved on the end portion of the plug tube 74 close to the connecting tube 72, and the limiting ring 77 is fixedly connected with the plug tube 74.

The water pipe 7 supplies water to the first shower pipe 33 through the first communicating member 71, and supplies water to the second shower pipe 45 through the connecting pipe 72 and the second communicating member 73, and the cooling water is sprayed from the first spray port 34 and the second spray port 46 to spray and cool the high-temperature welded workpiece.

When the first spray pipe 33 or the second spray pipe 45 is damaged, after the water source of the water pipe 7 is closed by a worker, the plugging piece 75 is rotated through the knob 76, so that the plugging pipe 74 is separated from the connecting pipe 72, then the movable plate 4 is separated from the top plate 5 by using the clamping assembly 6, and then the movable plate 4 is rotated towards the direction far away from the fixed plate 3, so that the worker can detach and replace the first spray pipe 33 or the second spray pipe 45.

After the staff finishes changing first shower 33 or second shower 45, the staff rotates fly leaf 4 and makes fly leaf 4 be vertical setting, and joint piece 61 joint is in joint interface 51 this moment, rotates shutoff piece 75 simultaneously, and shutoff piece 75 drives grafting pipe 74 and rotates for grafting pipe 74 threaded connection is in connecting pipe 72, notices the direction of mark arrow 761 simultaneously, makes intercommunication mouth 741 and second shower 45 be linked together. The effect of facilitating the installation of the first shower pipe 33 or the second shower pipe 45 by the worker is achieved.

Referring to fig. 3, the end portions of the first and second supporting bars 31 and 43 away from the connecting pipe 72 are respectively connected with the limiting plates 8. The position limiting plate 8 on the first support bar 31 reduces the possibility that the first shower pipe 33 is detached from the first support bar 31, and the position limiting plate 8 on the second support bar 43 reduces the possibility that the second shower pipe 45 is detached from the second support bar 43.

Referring to fig. 1 and 3, in order to increase the water pressure of the water spray, the first spray opening 34 is communicated with a first spray pipe 35 and fixedly connected with the first spray pipe 35, and the inner diameter of the end part of the first spray pipe 35 far away from the first spray pipe 33 is smaller than that of the first spray opening 34. The second spraying opening 46 is communicated with a second spraying pipe 47 and fixedly connected with the second spraying pipe 47, the inner diameter of the end part, far away from the second spraying pipe 45, of the second spraying pipe 47 is smaller than that of the second spraying opening 46, and the first spraying pipe 35 and the second spraying pipe 47 face the welding conveying assembly line 2.

The implementation principle of the cooling device for the welding and conveying assembly line is as follows: the water pipe 7 supplies water to the first shower pipe 33 through the first communicating member 71, and supplies water to the second shower pipe 45 through the connecting pipe 72 and the second communicating member 73, and the cooling water is sprayed out from the first shower pipe 35 and the second shower pipe 47 respectively to perform spray cooling on the high-temperature welded workpiece.

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

Claims

1. A cooling device for a welding conveying assembly line is characterized in that: comprises a mounting frame (1), a fixed plate (3) and a movable plate (4) which are arranged oppositely are arranged on the mounting frame (1), a welding conveying pipeline (2) is arranged between the fixed plate (3) and the movable plate (4) in a penetrating manner, the fixed plate (3) is fixed on the mounting frame (1), the bottom side of the movable plate (4) is hinged to the mounting frame (1), a top plate (5) is fixedly connected to the top end of the fixed plate (3), a clamping component (6) which is used for clamping with the top plate (5) is arranged on the movable plate (4), a first spraying pipe (33) is arranged on the fixed plate (3) towards the side surface of the movable plate (4), a plurality of first spraying openings (34) are formed in the first spraying pipe (33), a water conveying pipe (7) communicated with a water source is arranged on the fixed plate (3) in a penetrating manner, the water conveying pipe (7) is positioned at one end of the first spraying pipe (33), a first communicating piece (71) is communicated with the end part of the first spraying pipe (33) close to the water conveying pipe (7), the water conveying pipe (7) is communicated with the first communicating piece (71), one end, far away from the water conveying pipe (7), of the first communicating piece (71) is communicated with a connecting pipe (72), the movable plate (4) is provided with a second spraying pipe (45) which is arranged opposite to the first spraying pipe (33), the second spraying pipe (45) is provided with a plurality of second spraying openings (46), the first spraying opening (34) and the second spraying openings (46) face the welding conveying pipeline (2), one end, close to the connecting pipe (72), of the second spraying pipe (45) is communicated with the second communicating piece (73), the second communicating piece (73) is internally inserted and connected with an inserting pipe (74), the outer wall of the inserting pipe (74) is attached to the inner wall of the second communicating piece (73), the second spraying pipe (45) is perpendicular to the inserting pipe (74), the connecting opening (741) communicated with the second spraying pipe (45) is formed in the inserting pipe (74), the end, far away from the first communicating piece (71) of the connecting pipe (72) is communicated with the inserting pipe (74), the plug-in pipe (74) is detachably connected to the connecting pipe (72).

2. The cooling device for a welding conveyor line of claim 1, wherein: one end, close to the connecting pipe (72), of the inserting pipe (74) penetrates out of the second communicating piece (73) and is communicated with the connecting pipe (72), one end, far away from the connecting pipe (72), of the inserting pipe (74) is connected with a blocking piece (75), the blocking piece (75) penetrates through the movable plate (4) and is rotatably connected with the movable plate (4), and a mark arrow (761) used for marking the orientation of the communicating port (741) is arranged at the end, far away from the inserting pipe (74), of the blocking piece (75).

3. The cooling device for a welding conveyor line of claim 2, wherein: the end part of the inserting pipe (74) close to the connecting pipe (72) is fixedly sleeved with a limiting ring (77).

4. The cooling device for a welding conveyor line of claim 1, wherein: joint subassembly (6) are including joint piece (61), the top side of fly leaf (4) is opened and is had holding mouth (41), it has elastic component (62) to fill in holding mouth (41), joint piece (61) slide in holding mouth (41), elastic component (62) extrusion is between diapire and joint piece (61) that hold mouth (41), open one side that fly leaf (4) deviate from fixed plate (3) has slip mouth (42), slip mouth (42) communicate in holding mouth (41), be connected with push pedal (63) of sliding in slip mouth (42) on joint piece (61), it has joint mouth (51) that supply joint piece (61) to peg graft to open on roof (5).

5. The cooling device for a welding conveyor line of claim 4, wherein: the top of the clamping block (61) is an inclined plane towards one side of the fixing plate (3), and the thickness of the clamping block (61) is gradually reduced along the direction close to the clamping interface (51).

6. The cooling device for a welding conveyor line of claim 1, wherein: a first supporting strip (31) used for mounting a first spraying pipe (33) is connected to the fixing plate (3), a first arc-shaped groove (32) is formed in the bottom of the first supporting strip (31), the central angle of the first arc-shaped groove (32) is larger than 180 degrees, the opening of the first arc-shaped groove (32) faces the welding and conveying assembly line (2), the first spraying pipe (33) is inserted into the first arc-shaped groove (32), and a first spraying opening (34) faces the opening of the first arc-shaped groove (32);

be connected with second support bar (43) that are used for installing second shower (45) on fly leaf (4), the bottom of second support bar (43) is opened has second arc wall (44), and the central angle of second arc wall (44) is greater than 180, and the opening of second arc wall (44) is towards welding conveying assembly line (2), and second shower (45) are inserted and are established in second arc wall (44), and second sprays mouthful (46) opening towards second arc wall (44).

7. The cooling device for a welding conveyor line of claim 6, wherein: first shower nozzle (34) intercommunication has first shower (35), the tip internal diameter that first shower (33) were kept away from in first shower (35) is less than the internal diameter of first shower nozzle (34), second shower nozzle (46) intercommunication has second shower (47), the tip internal diameter that second shower (45) were kept away from in second shower (47) is less than the internal diameter of second shower nozzle (46), first shower (35) and second shower (47) all face welding conveying assembly line (2).

8. The cooling device for a welding conveyor line of claim 6, wherein: the two ends of the first arc-shaped groove (32) penetrate through the two end faces of the first supporting strip (31), the two ends of the second arc-shaped groove (44) penetrate through the two end faces of the second supporting strip (43), and the end parts, far away from the connecting pipe (72), of the first supporting strip (31) and the second supporting strip (43) are respectively connected with a limiting plate (8).