CN112872645A

CN112872645A - Intercooler welding assembly line

Info

Publication number: CN112872645A
Application number: CN202110211420.4A
Authority: CN
Inventors: 刘雪凤
Original assignee: Nanjing Mosudong Trading Co ltd
Current assignee: Xie Meiling
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-06-01

Abstract

The invention discloses an intercooler welding assembly line, which structurally comprises a main body, a supporting seat, a conveying belt, movable frames, a blocking plate, a welding head, a protective device and a rotating wheel.

Description

Intercooler welding assembly line

Technical Field

The invention relates to the field of production lines, in particular to an intercooler welding production line.

Background

The intercooler is an important part in the cooling system on bus, the rail vehicle, and the assembly line is an industrial production mode, can convey the work piece to convenient automation, continuous processing production need carry out spot welding, long seam welding and short seam welding's welding treatment to the intercooler in proper order, support the protection through protective element to the intercooler, when handling the intercooler, need the modified place:

when handling intercooler with the assembly line, convey welding process with the intercooler through the assembly line, at the in-process of welding the intercooler, because the bulk weight of intercooler is big, directly place on the assembly line, there is not the piece that slows between the two, the direct repression of intercooler is on the assembly line, can lead to the uneven damage that appears of assembly line atress, and if do not carry out spacing direct welding to the intercooler, the product that the unbalanced welding operating force arouses is out of shape, the welding insecure scheduling problem easily appears, and then lead to the intercooler to scrap.

Disclosure of Invention

Aiming at the defects in the prior art, the invention is realized by the following technical scheme: the utility model provides an intercooler welding assembly line, its structure includes main part, supporting seat, conveyer belt, adjustable shelf, barrier plate, soldered connection, protector, swiveling wheel, be equipped with two supporting seats in the main part, two supporting seat symmetry horizontal installation is in the main part, two all be equipped with swiveling wheel and both activity blocks on the supporting seat, the swiveling wheel contacts with the conveyer belt, be equipped with four and above protector on the conveyer belt, four and above protector connect on the conveyer belt, the protector top is equipped with the soldered connection, the soldered connection lock joint is at the adjustable shelf, the adjustable shelf is established in main part one side, the main part is connected with the barrier plate towards the one end of adjustable shelf.

The protection device comprises two limiting plates, two movable adjusting pieces, a connecting plate, a leveling component, a clamping concave support, clamping pieces, telescopic rods and a frame body, wherein the two limiting plates are symmetrically inserted and embedded on two sides of the frame body, the movable adjusting pieces are buckled with the limiting plates on one side, the two telescopic rods are arranged on two sides of each movable adjusting piece, the two telescopic rods are vertically inserted and embedded on two sides of the limiting plates, the telescopic rods and one ends, far away from the limiting plates, of the telescopic rods are connected to the connecting plate, the connecting plate is provided with the two clamping pieces and fixedly connected with the clamping pieces, the clamping pieces are buckled with the clamping concave support, the bottom of the clamping concave support is contacted with the leveling component, the leveling component is installed at the middle position inside the frame body, the frame body is connected to a conveying belt, and the top of the leveling component is provided with a welding.

The movable adjusting part comprises a connecting rod, two movable superposed pieces, two opening and closing frames, a shell, a rotating shaft, an elastic piece and elastic rods, wherein the movable superposed pieces are arranged in the middle of the interior of the connecting rod, two ends of the connecting rod are buckled on two ends of the opening and closing frames, which are far away from the connecting rod, are buckled with the elastic piece, the elastic piece is connected with the connecting rod through the opening and closing frames, the two opening and closing frames are symmetrically connected to two sides of the shell, the rotating shaft which is buckled with the opening and closing frames is arranged in the middle of the bottom of the shell, the rotating shaft is connected with the elastic rods, the elastic rods are buckled with a limiting plate, and the two sides of the shell are provided with telescopic rods.

As the invention content is further optimized, the movable stacking piece comprises an adjusting rod, triangular shrinking sheets, a fixed block and a movable stretching plate, wherein a plurality of triangular shrinking sheets are arranged on two sides of the adjusting rod and are respectively connected with the fixed block and the movable stretching plate, one ends of the fixed block and the movable stretching plate, which face the triangular shrinking sheets, are connected with the adjusting rod, the fixed block is attached to the movable stretching plate, and the adjusting rod is arranged in the middle of the inside of the connecting rod.

The leveling component comprises a cavity, a protective lifting piece, an auxiliary piece, clamping arms and a gravity block, wherein the gravity block connected with the cavity is arranged in the middle of the cavity, the clamping arms are arranged at two ends of the gravity block, one end of each clamping arm, far away from the gravity block, is connected with the protective lifting piece, the protective lifting piece is arranged in the middle of the cavity, the auxiliary piece is connected between the protective lifting piece and the gravity block, the protective lifting piece is in contact with a concave clamping support, the cavity is arranged in the middle of the inside of the frame, and a welding head is arranged at the top of the protective lifting piece.

The protective lifting piece comprises a connecting block, an elastic pulling strip, a shell and a connecting buckle, wherein the connecting block is attached to the elastic pulling strip, one end of the elastic pulling strip, which is far away from the connecting block, is buckled with the connecting buckle, the connecting buckle is fixed at the middle position inside the shell, the shell is connected with the elastic pulling strip, the connecting block penetrates through the shell and is connected with a clamping arm, the shell is arranged at the middle position of a cavity, an auxiliary piece is connected between the shell and a gravity block, the shell is contacted with a clamping concave support, and a welding head is arranged at the top of the shell.

As the further optimization of the invention, the auxiliary part comprises an expanding block, a body, curved arc plates, a uniform opening part and a connector, wherein the uniform opening part is arranged in the expanding block, two ends of the uniform opening part are buckled with the two connectors, the connectors are sleeved with the expanding block, one end of the expanding block, far away from the expanding block, is connected with the curved arc plates, the two curved arc plates are tightly attached to the inner wall of the body, and the body is arranged between the shell and the gravity block.

The uniform opening part comprises an opening and closing support, a jacking chuck, solid plates, a sleeve ring and a limiting block, wherein the opening and closing support is connected inside the sleeve ring, the top of the sleeve ring is provided with the limiting block connected with the sleeve ring, two ends of the limiting block are fastened on the two solid plates, the limiting block is attached to the sleeve ring, the limiting block is contacted with the opening and closing support, one end, far away from the limiting block, of each solid plate is connected with the inner wall of the jacking chuck, the jacking chuck is installed inside the expanding block, and the jacking chuck is fastened with a joint.

As a further optimization of the invention, the movable stack and the elastic member are crossed with each other to form a cross-frame structure.

Advantageous effects

The intercooler welding assembly line provided by the invention has the following beneficial effects:

1. according to the invention, the height of the fixed block is consistent with that of the triangular retractable sheet through the adjusting rod, the triangular retractable sheet, the fixed block and the movable opening plate, so that the triangular retractable sheet in the fixed block can be limited by the fixed block to be clamped after being expanded outwards, and the triangular retractable sheet in the movable opening plate can be retracted inwards, so that the adjusting rod can be effectively adjusted along with the movement of the opening and closing frame.

2. The elastic pulling strips at the two ends of the shell can sink downwards along with the gravity of the intercooler, and the two elastic pulling strips are restrained by the connecting buckles, so that the elastic pulling strips are prevented from being misplaced after being weighted.

3. According to the middle cooler supporting device, the jacking clamping heads, the solid plates and the limiting blocks are used, the jacking clamping heads can retract inwards after being subjected to the gravity of the middle cooler, force is transmitted to the solid plates, the positions of the two solid plates are restrained by the limiting blocks, the solid plates are prevented from being opened by gravity, and the jacking clamping heads are effectively matched to support the middle cooler.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of an intercooler welding line according to the present invention;

fig. 2 is a schematic view of the internal structure of the protection device of the present invention.

Fig. 3 is a schematic sectional structure view of the movable adjusting member of the present invention.

Fig. 4 is an enlarged structural diagram of a in fig. 3.

Fig. 5 is a schematic view of the internal structure of the leveling assembly of the present invention.

Fig. 6 is a schematic cross-sectional view of the lift guard of the present invention.

Fig. 7 is a schematic view of the internal structure of the auxiliary member of the present invention.

FIG. 8 is a schematic cross-sectional view of a shim according to the present invention.

In the figure: the device comprises a main body-1, a supporting seat-2, a conveyor belt-3, a movable frame-4, a blocking plate-5, a welding head-6, a protective device-7, a rotating wheel-8, a limiting plate-71, a movable adjusting member-72, a fishplate bar-73, a leveling component-74, a concave clamping support-75, a clamping piece-76, a telescopic rod-77, a frame-78, a connecting rod-721, a movable overlapping member-722, an opening and closing frame-723, a shell-724, a rotating shaft-725, an elastic member-726, an elastic rod-727, a regulating rod-221, a triangular shrinking piece-222, a fixed block-223, a movable opening plate-224, a cavity-741, a protective lifting member-742, an auxiliary member-743, a clamping arm-744, a gravity block-745, a connecting block-421, a welding head-6, The elastic pulling rod-422, the shell-423, the connecting buckle-424, the expanding block-431, the body-432, the curved arc plate-433, the even opening piece-434, the joint-435, the opening and closing support-N1, the jacking chuck-N2, the solid plate-N3, the lantern ring-N4 and the limiting block-N5.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an intercooler welding assembly line, its structure includes main part 1, supporting seat 2, conveyer belt 3, adjustable shelf 4, barrier plate 5, soldered connection 6, protector 7, swiveling wheel 8, be equipped with two supporting seats 2 in the main part 1, two 2 symmetry horizontal installations on main part 1 of two supporting seats, two all be equipped with swiveling wheel 8 and both activity blocks on the supporting seat 2, swiveling wheel 8 contacts with conveyer belt 3, be equipped with protector 7 four and above on the conveyer belt 3, protector 7 connection on conveyer belt 3 four and above, protector 7 top is equipped with soldered connection 6, 6 lock joints of soldered connection are at adjustable shelf 4, adjustable shelf 4 establishes in 1 one side of main part, main part 1 is connected with barrier plate 5 towards the one end of adjustable shelf 4.

Referring to fig. 2, the protecting device 7 includes two limiting plates 71, two movable adjusting members 72, a connecting plate 73, a leveling component 74, a concave-clamping holder 75, two clamping pieces 76, two telescopic rods 77, and a frame 78, wherein the two limiting plates 71 are symmetrically inserted into two sides of the frame 78, the movable adjusting member 72 fastened to the two limiting plates 71 is disposed on one side of the limiting plates 71, the two telescopic rods 77 are disposed on two sides of the movable adjusting member 72, the two telescopic rods 77 are vertically inserted into two sides of the limiting plates 71, the telescopic rods 77 and one ends of the telescopic rods 77 far from the limiting plates 71 are connected to the connecting plate 73, the two clamping pieces 76 are disposed on the connecting plate 73 and fixedly connected to the two clamping pieces, the clamping pieces 76 are fastened to the concave-clamping holder 75, the bottom of the concave-clamping holder 75 is in contact with the leveling component 74, the leveling component 74 is mounted at a middle position inside the frame 78, the frame, the top of the leveling component 74 is provided with a welding head 6.

The limiting plate 71 is used for matching with the concave clamping support 75, the intercooler vertically falls, the side wall of the limiting plate is contacted with the concave clamping support 75, the concave clamping support 75 is of a concave structure, two ends of the concave clamping support 75 can be pressed on the intercooler, the movable position of the concave clamping support 75 is limited through the limiting plate 71, and the position of the intercooler is effectively positioned.

Referring to fig. 3, the movable adjusting member 72 includes a connecting rod 721, a movable stack 722, an opening and closing frame 723, a housing 724, a rotating shaft 725, an elastic member 726, and an elastic rod 727, the movable stack 722 is installed at a middle position inside the connecting rod 721, two ends of the connecting rod 721 are fastened to two ends of the opening and closing frame 723, two ends of the opening and closing frame 723 far away from the connecting rod 721 are fastened to the elastic member 726, the elastic member 726 is connected to the connecting rod 721 through the opening and closing frame 723, the two opening and closing frames 723 are symmetrically connected to two sides of the housing 724, the rotating shaft 725 fastened to the bottom of the housing 724 is installed at a middle position of the bottom of the housing 724, the rotating shaft 725 is connected to the elastic rod 727, the elastic rod 727 is fastened to the limiting plate 71, and two sides of the housing 724 are respectively provided with an expansion link 77.

Referring to fig. 3, the movable stack 722 and the elastic member 726 are crossed with each other to form a cross-shaped frame structure.

The rotating shaft 725 is used for matching the housing 724, and after the intercooler contacts the top of the card tray 75, the housing 724 is matched with the card tray 75 to adjust under the action of the rotating shaft 725, so that the two card trays 75 can stably contact the intercooler.

Referring to fig. 4, the movable stack 722 includes a adjusting rod 221, triangular contracting pieces 222, a fixed block 223, and a movable expanding plate 224, wherein a plurality of triangular contracting pieces 222 are installed on both sides of the adjusting rod 221, the triangular contracting pieces 222 are respectively connected to the fixed block 223 and the movable expanding plate 224, one ends of the fixed block 223 and the movable expanding plate 224 facing the triangular contracting pieces 222 are connected to the adjusting rod 221, the fixed block 223 is attached to the movable expanding plate 224, and the adjusting rod 221 is installed at the middle position inside the connecting rod 721.

The triangular shrinking piece 222 is used for matching with the adjusting rod 221, the adjusting rod 221 can move outwards or inwards under the action of the connecting rod 721, and the triangular shrinking piece 222 can move upwards and downwards along with the adjusting rod 221 to expand and help the adjusting rod 221 to restrain the connecting rod 721.

Example two

Referring to fig. 5, the leveling assembly 74 includes a cavity 741, a protective lifting member 742, an auxiliary member 743, a clamping arm 744, and a gravity block 745, the gravity block 745 is disposed at a middle position of the cavity 741, the clamping arms 744 are mounted at two ends of the gravity block 745, one end of the clamping arm 744 away from the gravity block 745 is connected to the protective lifting member 742, the protective lifting member 742 is disposed at a middle position of the cavity 741, the auxiliary member 743 is connected between the protective lifting member 742 and the gravity block 745, the protective lifting member 742 contacts the concave holder 75, the cavity 741 is mounted at a middle position inside the frame 78, and a welding head 6 is disposed at a top of the protective lifting member 742.

The gravity block 745 is used for being matched with the cavity 741, and the gravity block 745 is fixed at the middle position of the bottom of the cavity 741, so that the cavity 741 can adopt the principle of a tumbler with a top light and a bottom heavy to stably position the intercooler on the protective lifting piece 742.

Referring to fig. 6, the protective lifting member 742 includes an engaging block 421, an elastic pulling bar 422, a housing 423, and a buckle 424, the engaging block 421 is attached to the elastic pulling bar 422, an end of the elastic pulling bar 422 away from the engaging block 421 is buckled with the buckle 424, the buckle 424 is fixed at a middle position inside the housing 423, the housing 423 is connected to the elastic pulling bar 422, the engaging block 421 penetrates the housing 423 to be connected to a clamp arm 744, the housing 423 is disposed at a middle position of a cavity 741, an auxiliary member 743 is connected between the housing 423 and a gravity block 745, the housing 423 is in contact with a concave clamp 75, and a welding head 6 is disposed at a top of the housing 423.

The above-mentioned link block 421 is used for cooperating with the outer casing 423, the link block 421 is connected between the clip arms 744 of the outer casing 423, and the outer casing 423 is restrained by the link block 421, so as to prevent the outer casing 423 from being misplaced due to the weight.

Referring to fig. 7, the auxiliary member 743 includes an expanding block 431, a body 432, curved plates 433, evenly-opened members 434, and connectors 435, the evenly-opened members 434 are installed inside the expanding block 431, two ends of the evenly-opened members 434 are fastened to the two connectors 435, the connectors 435 are sleeved with the expanding block 431, one end of the expanding block 431, which is far away from the expanding block 431, is connected to the curved plates 433, the two curved plates 433 are tightly attached to an inner wall of the body 432, and the body 432 is disposed between the housing 423 and the gravity block 745.

Referring to fig. 8, the uniform opening member 434 includes an opening and closing support N1, a jacking chuck N2, a solid plate N3, a collar N4, and a limit block N5, the opening and closing support N1 is connected inside the collar N4, the top of the collar N4 is provided with the limit block N5 connected with the collar N4, two ends of the limit block N5 are fastened on the two solid plates N3, the limit block N5 is attached to the collar N4, the limit block N5 is in contact with the opening and closing support N1, one end of the solid plate N3, which is far away from the limit block N5, is connected with the inner wall of the jacking chuck N2, the jacking chuck N2 is installed inside the expanding block 431, and the jacking chuck 539n 2 is fastened with the joint 435.

The opening and closing support N1 is used for being matched with the limiting block N5, the solid plates N3 are expanded towards two sides under the action of gravity, the limiting block N5 is connected between the two solid plates N3, the limiting block N5 is of a convex structure, the solid plates N3 can be effectively and inwards restrained, and the opening and closing support N1 is used for assisting the limiting block N5 to restrain the solid plates N3.

The working principle of the above technical solution is explained as follows:

when the automatic welding device is used, the intercooler is placed on the protective device 7, the rotating wheel 8 is driven to drive the conveying belt 3 to move, the intercooler is moved to the movable frame 4, the welding head 6 is adjusted through the movable frame 4, the welding head 6 can weld the intercooler quickly and stably, and the welding efficiency of the intercooler is improved.

When the intercooler is welded, the intercooler is vertically placed on the protective lifting member 742, the side wall of the intercooler first contacts the concave clamping holders 75 during the placement process, the two concave clamping holders 75 contact the intercooler at the same time, the housing 724 is driven to open outwards under the rotation of the rotating shaft 725 through the connecting plate 73, the telescopic rods 77 on the connecting plate 73 retract inwards, the lower telescopic rods 77 are pushed forwards, the opening and closing frame 723 at one end inside the housing 724 retracts inwards, the triangular compression pieces 222 retract inwards along with the movement of the opening and closing frame 723, the triangular compression pieces 222 retract to a certain degree and then generate certain mutual exclusion counter force with the fixed blocks 223 and the movable opening and closing plates 224, the opening and closing frame 723 is prevented from deforming after retracting inwards, the elastic members 726 extend outwards along with the opening and closing frame 723, the triangular compression pieces 222 at the other end expand outwards along with the movement of the opening and closing frame 723, and the triangular compression pieces 222 draw the opening and closing frame 723 after a certain degree, the elastic member 726 will contract inwards along with the concave support 75, so that the concave support 75 will be in an inclined state after being weighted, the intercooler will slowly slide downwards due to inertia, the concave support 75 will be leveled and move along with the falling of the intercooler, the intercooler will fall onto the protective lifting member 742, the two opening and closing frames 723 will open and support outwards under the cooperation of the movable stack 722 and the elastic member 726, the concave support 75 will be ejected outwards, so that the concave support 75 can be stably clamped at two sides of the intercooler, the limiting process is effectively performed on the intercooler, and the balance stability of the intercooler in welding is ensured.

The intercooler is placed on the shell 423, the shell 423 is inwards sunken and outwards extends under the gravity of the intercooler, the elastic pulling strips 422 outwards open along with the tension of the shell 423, the elastic pulling strips are connected with the clamping arms 744 through the pulling block 421, the gravity of the intercooler is dispersed by the two clamping arms 744 matching with the shell 423, the two clamping arms 744 are buckled on the gravity block 745, so that the cavity 741 can support the intercooler evenly by adopting a tumbler principle to assist the clamping concave holder 75, the gravity applied to the middle position of the shell 423 is downwards conducted through the body 432, the curved plate 433 inwards moves along with the movement of the body 432, the connector 435 downwards moves along with the curved plate 433 to transmit the gravity to the jacking chuck N2, the jacking chuck N2 inwards retracts under the gravity, the connecting solid plate N3 is outwards pushed out, the solid plate N3 is expanded outwards under the gravity, and the heavy solid plate N3 is pulled back by matching with the opening and closing support N1 and the limiting block N5, make solid slab N3 can stabilize the cooperation and connect 435 with body 432 upwards support ejecting, auxiliary part 743 and card arm 744 can mutually cooperate the gravity of intercooler and disperse for main part 1 can not be locally receive heavy and buckle the damage, guarantee that the intercooler can be stable parallel placement on shell 423, stabilize welding process through soldered connection 6 to the intercooler, improve the welding treatment effect of intercooler.

In summary, the novel intercooler welding production line is formed by combining the main body, the supporting seat, the conveying belt, the movable frames, the blocking plates, the welding head, the protective device and the rotating wheel, the concave clamping support is leveled and moves along with falling of the intercooler, the two opening and closing frames can open and support outwards under the matching of the movable stacking piece and the elastic piece, the concave clamping support can effectively limit the intercooler, the gravity of the intercooler is dispersed through the matching of the auxiliary piece and the clamping arm, the main body cannot be bent and damaged due to local weight, the intercooler can be stably placed on the shell in parallel, the intercooler is stably welded through the welding head, and the welding treatment effect of the intercooler is improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an intercooler welding assembly line, its structure includes main part (1), supporting seat (2), conveyer belt (3), adjustable shelf (4), barrier plate (5), soldered connection (6), protector (7), swiveling wheel (8), its characterized in that:

the main body (1) is arranged on the main body (1), the supporting seat (2) is movably clamped with the rotating wheel (8), the rotating wheel (8) is in contact with the conveying belt (3), the protection device (7) is connected to the conveying belt (3), a welding head (6) is arranged on the protection device (7), the welding head (6) is buckled on the movable frame (4), the movable frame (4) is arranged on the main body (1), and the main body (1) is connected with the blocking plate (5);

the protection device (7) comprises a limiting plate (71), a movable adjusting piece (72), a connecting plate (73), a leveling component (74), a clamping concave support (75), a clamping piece (76), an expansion rod (77) and a frame body (78), wherein the limiting plate (71) is inserted and embedded in the frame body (78), the limiting plate (71) and the movable adjusting piece (72) are buckled, two expansion rods (77) are arranged on two sides of the movable adjusting piece (72), the expansion rod (77) is inserted and embedded in the limiting plate (71), the expansion rod (77) and the expansion rod (77) are connected to the connecting plate (73), the connecting plate (73) is fixedly connected with the clamping piece (76), the clamping piece (76) is buckled with the clamping concave support (75), the clamping concave support (75) is contacted with the leveling component (74), the leveling component (74) is installed on the frame body (78), and the frame body (78) is connected to the conveyor belt (3), and a welding head (6) is arranged on the leveling component (74).

2. The intercooler welding line of claim 1, wherein: the movable adjusting piece (72) comprises a connecting rod (721), a movable overlapping piece (722), an opening and closing frame (723), a shell (724), a rotating shaft (725), an elastic piece (726) and elastic rods (727), wherein the movable overlapping piece (722) is installed on the connecting rod (721), the connecting rod (721) is buckled on the opening and closing frame (723), the elastic piece (726) is connected with the connecting rod (721) through the opening and closing frame (723), the opening and closing frame (723) is connected to the shell (724), the shell (724) is buckled with the rotating shaft (725), the rotating shaft (725) is connected with the elastic rods (727), the elastic rods (727) are buckled with a limiting plate (71), and telescopic rods (77) are arranged on two sides of the shell (724).

3. The intercooler welding line of claim 2, wherein: the movable stacking piece (722) comprises a regulating rod (221), a triangular contracting sheet (222), a fixed block (223) and a movable expanding plate (224), wherein the triangular contracting sheet (222) is installed on two sides of the regulating rod (221), the triangular contracting sheet (222) is connected with the fixed block (223) and the movable expanding plate (224), the fixed block (223) is attached to the movable expanding plate (224), and the regulating rod (221) is installed on a connecting rod (721).

4. The intercooler welding line of claim 1, wherein: the leveling component (74) comprises a cavity (741), a protective lifting piece (742), an auxiliary piece (743), a clamping arm (744) and a gravity block (745), the cavity (741) is connected with the gravity block (745), the clamping arm (744) is installed on the gravity block (745), the clamping arm (744) is connected with the protective lifting piece (742), the protective lifting piece (742) is arranged on the cavity (741), the auxiliary piece (743) is connected between the protective lifting piece (742) and the gravity block (745), the protective lifting piece (742) is in contact with a clamping concave support (75), the cavity (741) is installed on the frame (78), and a welding head (6) is arranged on the protective lifting piece (742).

5. The intercooler welding line of claim 4, wherein: piece (742) is lifted in protection is including linking up piece (421), bullet drawing and is drawn strip (422), shell (423), connect and detain (424), link up piece (421) and bullet drawing and draw strip (422) laminating mutually, bullet drawing and drawing strip (422) and connect and detain (424) looks lock, connect to detain (424) and fix on shell (423), shell (423) are connected with bullet drawing and draw strip (422), link up piece (421) and run through shell (423) and be connected with card arm (744), shell (423) are established on cavity (741), be connected with auxiliary member (743) between shell (423) and gravity block (745), shell (423) and card concave support (75) contact, shell (423) top is equipped with soldered connection (6).

6. The intercooler welding line of claim 4, wherein: the auxiliary part (743) is including expanding piece (431), body (432), curved arc board (433), evenly open piece (434), joint (435), evenly open piece (434) is installed to expanding piece (431), evenly open piece (434) and joint (435) looks lock joint, joint (435) and expanding piece (431) overlap mutually, expanding piece (431) meet with curved arc board (433), two curved arc board (433) hug closely in body (432), body (432) are established between shell (423) and gravity piece (745).

7. The intercooler welding line of claim 6, wherein: even piece (434) of opening and shutting props (N1), jacking dop (N2), solid board (N3), lantern ring (N4), stopper (N5) including opening and shutting, opening and shutting props (N1) and connects on lantern ring (N4), lantern ring (N4) meets with stopper (N5), stopper (N5) lock joint is on solid board (N3), stopper (N5) and lantern ring (N4) laminate mutually, stopper (N5) and opening and shutting prop (N1) and contact, solid board (N3) meet with jacking dop (N2), jacking dop (N2) are installed on expanding piece (431), jacking dop (N2) and joint (435) lock joint mutually.

8. The intercooler welding line of claim 2, wherein: the movable folding piece (722) and the elastic piece (726) are mutually crossed to form a cross-shaped frame structure.