CN211589126U - A support and positioning device for a manifold welding system - Google Patents

Abstract

The utility model discloses a support and positioning device for a manifold welding system, which comprises a first positioner, a second positioner and a plurality of supporting roller frames located between the first positioner and the second positioner; It also includes a guide rail laid on the ground, and the bottom of the second positioner and each support roller frame is provided with a slider that is mutually matched and connected with the guide rail; the support roller frame includes an active support roller frame and a driven support roller frame. . On the one hand, the supporting and positioning device of the utility model can be applied to the supporting and positioning of pipes of different lengths; The placement angle is adjusted accordingly, thereby effectively improving the applicability of the support and positioning device.

Description

A support and positioning device for a manifold welding system

technical field

The utility model relates to a support and positioning device of a manifold welding system.

Background technique

In the prior art, when the pipeline is welded to the manifold, the supporting frame fixed on the ground is used to support the pipeline at a fixed point. This kind of support device cannot be applied to various pipe welding requirements of different sizes and different lengths.

Utility model content

The technical problem to be solved by the present invention is to provide a support and positioning device for a manifold welding system. The vertical height of the central axis and the ground and the placement angle of the pipe on the support roller frame are adjusted correspondingly due to the difference in the size of the pipe, thereby effectively improving the applicability of the support and positioning device.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is:

A support and positioning device for a manifold welding system, comprising a first positioner, a second positioner, and a plurality of supporting roller frames between the first positioner and the second positioner; further comprising laying on the ground On the guide rail, the second positioner and the bottom of each supporting roller frame are provided with sliding blocks which are mutually matched and connected with the guide rail.

Wherein, the support roller frame includes an active support roller frame and a driven support roller frame.

Wherein, the shown driven support roller frame includes a first frame and a second frame, wherein the first frame is provided with a first support frame, a second support frame and a lateral movement mechanism, the first support frame and the second support frame The supporting frames are driven by the lateral movement mechanism to move close to each other or move away from each other; the second frame is provided with a longitudinal movement mechanism, the driving end of the longitudinal movement mechanism is connected with the first frame, and the first frame is in the longitudinal movement mechanism. The upper drive moves up and down in the longitudinal direction; the second frame is fixed on the bottom plate, the bottom plate is fixedly connected with the adapter plate, the bottom of the adapter plate is provided with a slider, and the slider is connected with the guide rails laid on the ground.

Wherein, the first support frame includes a support frame I erected on the first frame and a roller I rotatably connected to the support frame I through a rotating shaft or a bearing in the support frame I; the second support frame includes a support frame I erected on the first frame The supporting frame II and the roller II which is located in the supporting frame II and is rotatably connected with the supporting frame II through a rotating shaft or a bearing.

Wherein, the shown active support roller frame includes a first frame and a second frame, wherein the first frame is provided with a first support frame, a second support frame and a lateral movement mechanism, the first support frame and the second support frame The racks move close to each other or move away from each other under the drive of the lateral moving mechanism; the second rack is provided with a longitudinal moving mechanism, the driving end of the longitudinal moving mechanism is connected with the first rack, and the first rack is driven by the longitudinal moving mechanism The top moves up and down in the longitudinal direction; the second frame is fixed on the bottom plate, the bottom plate is fixedly connected with the adapter plate, the bottom of the adapter plate is provided with a sliding block, and the sliding block and the guide rail laid on the ground are connected with each other; the first support frame includes A support frame I erected on the first frame and a roller I rotatably connected to the support frame I through a rotating shaft or a bearing in the support frame I; The roller II in the frame II is rotatably connected to the support frame II through a rotating shaft or a bearing; it also includes a rotating mechanism that drives the roller to rotate; the rotating mechanism includes a motor and a reducer connected to the motor drive, and the motor casing is fixedly connected to the reducer casing through a flange. , the reducer is fixed on the support frame, and the drive end of the reducer is fixedly connected with the rotating shaft of the roller; it also includes a drive mechanism, the drive mechanism includes a drive motor and a gear connected to the drive motor, and the drive motor is fixed on the extension plate; the extension plate It is fixedly connected with the adapter plate, and the inner side wall of the guide rail is provided with a rack that cooperates with the gears.

The lateral movement mechanism includes a rotating handle and a screw rod fixedly connected to the rotating handle, the screw rod traverses the first frame, the end of the screw rod is fixedly connected to the first frame through a bearing, the beginning end of the screw rod is connected to the rotating handle, and the rotating handle is connected to the first frame. The first frame is fixedly connected by bearings.

Wherein, one side of the screw rod is provided with a forward thread, the other side of the screw rod is provided with a reverse thread, both the forward thread end and the reverse thread end of the screw rod are sleeved with nuts, and the support frame I and the support frame II are respectively connected with The corresponding nut is fixedly connected; the middle part of the screw rod is fixedly connected with the first frame through the bearing.

Wherein, the bottom of the support frame 1 is provided with a slider 1, and the support frame 1 is erected on the first frame, and the slider 1 is moved laterally relative to the first frame along the side of the first frame under the drive of the lateral movement mechanism; The bottom of the support frame II is provided with a slide block II, the support frame II is erected on the first frame, and the slide block II moves laterally relative to the first frame along the side of the first frame under the drive of the lateral movement mechanism.

The longitudinal movement mechanism includes a motor and a screw lift connected to the motor, the motor and the screw lift are fixed on the second frame, and the top of the screw of the screw lift is fixedly connected to the connecting end of the first frame through a bearing.

Wherein, the longitudinal moving mechanism further includes a guide mechanism, and the guide mechanisms are arranged in pairs on both sides of the screw lift; the guide mechanism includes a guide shaft and a guide shaft bearing seat sleeved outside the guide shaft, and the guide shaft bearing seat is fixed on the first On the second frame, one end of the guide shaft is fixedly connected with the lower bottom plate of the first frame, and the other end of the guide shaft passes through the guide shaft bearing seat and moves longitudinally along the guide shaft bearing seat.

Beneficial effects: on the one hand, the supporting and positioning device of the present utility model can be applied to the supporting and positioning of pipes of different lengths; The placement angle on the roller frame is adjusted accordingly, thereby effectively improving the applicability of the support and positioning device.

Description of drawings

1 is a schematic structural diagram of a driven support roller frame in the device of the present invention;

2 is a front view of a driven support roller frame in the device of the utility model;

3 is a schematic structural diagram of the driven support roller frame laid on the track in the device of the present invention;

4 is a schematic structural diagram of the active support roller frame laid on the track in the device of the present invention;

5 is a partial schematic view of the active support roller in the device of the present invention;

Fig. 6 structural representation 1 of movable positioner in the device of the present utility model;

7 is a schematic structural diagram II of the movable positioner in the device of the present invention;

8 is a schematic structural diagram of a fixed positioner in the device of the present invention;

9 is a schematic structural diagram of positioning and supporting the pipeline to be welded on the positioning support device;

FIG. 10 is a schematic structural diagram of the supporting and positioning device of the present invention.

Detailed ways

The present invention can be better understood according to the following examples. However, those skilled in the art can easily understand that the contents described in the embodiments are only used to illustrate the present invention, and should not and will not limit the present invention described in detail in the claims.

As shown in Figures 1 to 5, the support and positioning device of the manifold welding system of the present invention includes a first positioner (fixed positioner 111), a second positioner (movable positioner 112), and a A plurality of support roller frames between the first positioner 111 and the second positioner 112; also include a track 114 laid on the ground, the rail 114 is laid with a guide rail 104, the second positioner 112 and each support roller The bottoms of the racks are provided with sliders (116, 103) that cooperate with the guide rails 104; the supporting roller racks include an active supporting roller rack (supporting roller rack II109) and a driven supporting roller rack (supporting roller rack II101).

The driven support roller frame 101 includes a first frame 64 and a second frame 71, wherein the first frame 64 is provided with a first support frame 81, a second support frame 81 and a lateral movement mechanism. The frame 81 and the second support frame 82 move closer to each other or move away from each other under the drive of the lateral movement mechanism; the second frame 71 is provided with a longitudinal movement mechanism, and the driving end of the longitudinal movement mechanism is connected to the first frame 64, The first frame 64 is driven by the longitudinal moving mechanism to move up and down in the longitudinal direction; the second frame 71 is fixed on the bottom plate 75, the bottom plate 75 is fixedly connected with the adapter plate 102, and the bottom of the adapter plate 102 is provided with a slider 103, which slides The blocks 103 are connected to each other with the guide rails 104 laid on the ground.

The first support frame 81 includes a support frame I62 erected on the first frame 64 and a roller I83 rotatably connected to the support frame I62 through the bearing 61 in the support frame I62 (the rotating shaft of the roller I83 and the support frame I62 pass through the bearing 61 ). Fixed connection); the second support frame 82 includes a support frame II85 erected on the first frame 64 and a roller II84 in the support frame II85 that is rotatably connected to the support frame II85 through a bearing; the lateral movement mechanism of the driven support roller frame 101 It includes a rotating handle 65 and a screw 66 fixedly connected to the rotating handle 65. The screw 66 traverses the first frame 64, the end of the screw 66 is fixedly connected to the first frame 64 through a bearing 86, and the beginning of the screw 66 is connected to the rotating handle 65. The rotating handle 65 is fixedly connected with the first frame 64 through the bearing 87 . One side of the screw 66 is provided with a forward thread 67, and the other side of the screw 66 is provided with a reverse thread 69, so that when the rotary handle 65 is rotated, the first support frame 81 and the second support frame 82 move closer to each other Or move away from each other; the forward thread end and the reverse thread end of the screw rod 66 are sleeved with nuts (70, 68), the support frame I62 is fixedly connected with the nut I68, and the support frame 1I85 is fixedly connected with the nut II70; the middle part of the screw rod 66 A bearing 79 is also provided, and the screw 66 is fixedly connected to the first frame 64 through the bearing 79 , and connecting shafts 80 are respectively provided on both sides of the bearing 79 .

Among them, the bottom of the support frame I62 is provided with a slider I63, the support frame I62 is erected on the first frame 64, and the slider I62 is driven by the lateral movement mechanism to move relative to the first frame 64 along the side of the first frame 64. Lateral movement; the bottom of the support frame II85 is provided with a slider II88, the support frame II85 is erected on the first frame 64, and the slider II88 is opposite to the first frame 64 along the side of the first frame 64 under the drive of the lateral movement mechanism Do lateral movement.

The longitudinal moving mechanism of the driven support roller frame 101 includes a motor 72 and a screw lifter 73 that is drivingly connected to the motor 72. The fixing parts of the motor 72 and the screw lifter 73 are both fixed on the second frame 71. The top end of the screw rod 89 is connected to the center of the lower bottom plate 90 of the first frame 64 , and the connection between the top end of the screw rod 89 and the first frame 64 (the connection is located in the central area of the bottom of the first frame) is fixedly connected through the bearing 74 . The screw lifter 73 is fixed on the bottom plate 75 of the second frame 71 through the connecting plate 91 , the bottom plate 75 of the second frame 71 has a through hole 78 , and the screw rod 89 of the screw lifter 73 protrudes from the through hole 78 . Among them, the longitudinal movement mechanism also includes a guide mechanism 92, which is arranged in pairs on both sides of the screw lifter 73; the guide mechanism 92 includes a guide shaft 76 and a guide shaft bearing seat 77 sleeved outside the guide shaft 76, the guide shaft The bearing seat 77 is fixed on the second frame 71 , one end of the guide shaft 76 is fixedly connected to the lower bottom plate 90 of the first frame 64 , and the other end of the guide shaft 76 passes through the guide shaft bearing seat 77 and moves longitudinally along the guide shaft bearing seat 77 .

Manually adjust the distance between the two rollers 60 by rotating the handle 65 (the distance between the center points of the two rollers 60 ), the roller 60 contacts the workpiece, and the driven support roller frame 101 moves on the guide rail 104 by manual pushing.

As shown in FIGS. 4 to 5 , the active support roller frame 109 includes a first frame 64 and a second frame 71 , wherein the first frame 64 is provided with a first support frame 81 , a second support frame 81 and a lateral movement mechanism, the first support frame 81 and the second support frame 82 move closer to each other or move away from each other under the drive of the lateral movement mechanism; the second frame 71 is provided with a longitudinal movement mechanism, and the driving end of the longitudinal movement mechanism is connected to the first The frame 64 is connected, and the first frame 64 moves up and down in the longitudinal direction on the drive of the longitudinal moving mechanism; the second frame 71 is fixed on the bottom plate 75, the bottom plate 75 is fixedly connected with the adapter plate 102, and the bottom of the adapter plate 102 is provided with The slider 103, the slider 103 is connected with the guide rail 104 laid on the ground; the first support frame 81 includes the support frame I62 erected on the first frame 64 and the support frame I62 located in the support frame I62 through the bearing 61 and the support frame I62 Rotationally connected roller I83 (the shaft of the roller I83 is fixedly connected to the support frame I62 through the bearing 61); the second support frame 82 includes a support frame II85 erected on the first frame 64 and a support frame II85 located in the support frame II85 through the bearing and the support frame II85 is rotatably connected to the roller II84; the active support roller frame 109 also includes a rotating mechanism 93 that drives the roller 60 to rotate; the rotating mechanism 93 includes a motor 94 and a reducer 95 that is drive-connected to the motor 94, and the outer casing of the motor 94 is connected to the reducer through the flange 96 95 The shell is fixedly connected, the reducer 95 is fixed on the support frame 98, and the driving end of the reducer 95 is fixedly connected with the rotating shaft of the roller 60; The gear 99 for transmission connection, the drive motor 97 is fixed on the extension plate 105; the second frame 71 is fixed on the bottom plate 75, the bottom plate 75 is fixedly connected with the adapter plate 102, the bottom of the adapter plate 102 is provided with a slider 103, the slider 103 is connected with the guide rail 104 laid on the ground; the extension plate 105 is fixedly connected with the adapter plate 102;

The lateral movement mechanism that actively supports the roller frame 109 includes a rotating handle 65 and a screw 66 fixedly connected to the rotating handle 65 . For connection, the beginning end of the screw 66 is connected to the rotating handle 65 , and the rotating handle 65 is fixedly connected with the first frame 64 through the bearing 87 . One side of the screw 66 is provided with a forward thread 67, and the other side of the screw 66 is provided with a reverse thread 69, so that when the rotary handle 65 is rotated, the first support frame 81 and the second support frame 82 move closer to each other Or move away from each other; the forward thread end and the reverse thread end of the screw rod 66 are sleeved with nuts (70, 68), the support frame I62 is fixedly connected with the nut I68, and the support frame II85 is fixedly connected with the nut II70; the middle part of the screw rod 66 A bearing 79 is also provided, and the screw 66 is fixedly connected to the first frame 64 through the bearing 79 , and connecting shafts 80 are respectively provided on both sides of the bearing 79 .

Among them, the bottom of the support frame I62 is provided with a slider I63, the support frame I62 is erected on the first frame 64, and the slider I62 is driven by the lateral movement mechanism to move relative to the first frame 64 along the side of the first frame 64. Lateral movement; the bottom of the support frame II85 is provided with a slider II88, the support frame II85 is erected on the first frame 64, and the slider II88 is opposite to the first frame 64 along the side of the first frame 64 under the drive of the lateral movement mechanism Do lateral movement.

The longitudinal movement mechanism that actively supports the roller frame 109 includes a motor 72 and a screw lifter 73 that is drivingly connected to the motor 72. The fixing parts of the motor 72 and the screw lifter 73 are both fixed on the second frame 71, and the screw of the screw lifter 73 is fixed on the second frame. The top end of the rod 89 is connected to the center of the lower bottom plate 90 of the first frame 64 , and the connection between the top end of the screw 89 and the first frame 64 (the connection is located in the central area of the bottom of the first frame) is fixedly connected through the bearing 74 . The screw lifter 73 is fixed on the bottom plate 75 of the second frame 71 through the connecting plate 91 , the bottom plate 75 of the second frame 71 has a through hole 78 , and the screw rod 89 of the screw lifter 73 protrudes from the through hole 78 . Among them, the longitudinal movement mechanism also includes a guide mechanism 92, which is arranged in pairs on both sides of the screw lifter 73; the guide mechanism 92 includes a guide shaft 76 and a guide shaft bearing seat 77 sleeved outside the guide shaft 76, the guide shaft The bearing seat 77 is fixed on the second frame 71 , one end of the guide shaft 76 is fixedly connected to the lower bottom plate 90 of the first frame 64 , and the other end of the guide shaft 76 passes through the guide shaft bearing seat 77 and moves longitudinally along the guide shaft bearing seat 77 .

The second frame 71 that actively supports the roller frame 109 is fixed on the bottom plate 75, the bottom plate 75 is fixedly connected with the adapter plate 102, the bottom of the adapter plate 102 is provided with a slider 103, the ground is laid with a guide rail 104, the slider 103 and the guide rail 104 are connected with each other; the adapter plate 102 also includes an extension plate 105, the extension plate 105 is provided with a driving motor 97 (the driving motor 97 is arranged in the box 121), the driving end of the driving motor 97 is fixedly connected with the gear 99, and the guide rail 104 There is a rack 100 on the inner side wall of the adapter plate 100 which is connected with the gear 99. The drive motor 97 rotates to drive the gear 99 to rotate, so that the slider 103 at the bottom of the adapter plate 102 moves along the guide rail 104.

The distance between the two rollers 60 (the distance between the center points of the two rollers 60 ) is manually adjusted by rotating the handle 65 .

As shown in FIGS. 6 to 8 , the first positioner (fixed positioner 111 ) in the device of the present invention is fixed on one end of the rail 114 through the fixing seat 120 , and the first positioner 111 includes a motor The drive mechanism 119 and the three-jaw chuck 107, the three-jaw chuck 107 is fixedly connected to the rotating end of the motor drive mechanism 119, and the three-jaw chuck 107 is used to fix the pipeline 110 to be welded; the second positioner in the device of the present invention (Moveable positioner 112), which is located at the other end of the track 114, with a slider structure 116 at the bottom, and the second positioner 112 includes a motor drive mechanism 118 and a three-jaw chuck 113. The three-jaw chuck 113 It is fixedly connected with the rotating end of the motor drive mechanism 118. The three-jaw chuck 113 is used to fix the pipeline 110 to be welded. The second positioner 112 also includes a traveling mechanism 115. The traveling mechanism 115 includes a drive motor and is connected to the output shaft of the drive motor. The gear 117, the gear 117 is connected with the rack 100 arranged on the inner side wall of the track 114 in cooperation with each other. When the driving motor rotates, the gear 117 is driven to rotate, so that the second positioner 112 moves back and forth along the guide rail 104 through the slider structure 116 .

As shown in FIGS. 9-10 , a plurality of support roller frames are laid on the track 114 of the device of the present invention, and the driven support roller frame 101 and the active support roller frame 109 can be laid on the track 114 at the same time; Only the active support roller frame 109 is laid. Hang the pipe 110 to be welded on the support roller frame, pre-adjust the placement angle of the pipe to be welded 110 on the support roller frame through the rotating mechanism 93 of the active support roller frame 109, and then manually adjust the two rollers 60 of each support roller frame The horizontal width of the line connecting the center points, so that the pipeline 110 to be welded is fixed on the supporting roller frame, and then, the axial height of the pipeline 110 to be welded is adjusted by the longitudinal moving mechanism of the supporting roller frame, that is, the central axis of the pipeline 110 to be welded is connected to the ground. The vertical height of the pipe to be welded 110 coincides with the central axis of the fixing device (positioner 108) at both ends of the track 114, and at this time, the drive mechanism that actively supports the roller frame 109 is driven, and the drive mechanism drives the active support roller frame 109. Move on the guide rail 104, thereby driving the pipes 110 to be welded on the active support roller frame 109 to move together, and the driven support roller frame 101 moves together with the pipes to be welded 110 under the action of friction until one of the pipes 110 to be welded is moved. The end is clamped into the three-jaw chuck 107 of the fixed positioner 111 at the end of the track 114, and the three-jaw chuck 107 is manually tightened; finally, the movable positioner 112 moves along the guide rail 104 to the position of the pipe 110 to be welded. At the other end, the end of the pipe to be welded 110 is clamped into the three-jaw chuck 113 of the movable positioner 112, and the three-jaw chuck 113 is manually tightened; thus, the pipe to be welded 110 is fixed on the rail 114. In the positioner 108 at the end (the pipeline 110 to be welded is fixedly connected with the rotating end of the motor drive mechanism of the positioner), at this time, manually adjust the horizontal width of the line connecting the center points of the two rollers 60 of each supporting roller frame, so as to The supporting roller frame only plays a supporting role for the pipeline 110 to be welded, but does not play a fixing role.

Claims (10)

1. A support positioner of manifold welding system which characterized in that: the device comprises a first positioner, a second positioner and a plurality of supporting roller frames positioned between the first positioner and the second positioner; the device is characterized by further comprising a guide rail paved on the ground, and sliding blocks matched and connected with the guide rail are arranged at the bottom of the second positioner and the bottom of each supporting roller frame.

2. The support positioning device of a manifold welding system of claim 1, wherein: the support roller frame comprises a driving support roller frame and a driven support roller frame.

3. The support positioning device of a manifold welding system of claim 2, wherein: the driven support roller frame comprises a first frame and a second frame, wherein the first frame is provided with a first support frame, a second support frame and a transverse moving mechanism, and the first support frame and the second support frame are driven by the transverse moving mechanism to move close to each other or move away from each other; the second machine frame is provided with a longitudinal moving mechanism, the driving end of the longitudinal moving mechanism is connected with the first machine frame, and the first machine frame is driven by the longitudinal moving mechanism to move up and down along the longitudinal direction; the second frame is fixed on the bottom plate, the bottom plate is fixedly connected with the adapter plate, a sliding block is arranged at the bottom of the adapter plate, and the sliding block is connected with a guide rail paved on the ground in a matched mode.

4. The support positioning device of a manifold welding system of claim 3, wherein: the first support frame comprises a support frame I erected on the first machine frame and a roller I which is positioned in the support frame I and is rotationally connected with the support frame I through a rotating shaft or a bearing; the second support frame is including erectting support frame II on first frame and being located support frame II and rotate the gyro wheel II who is connected through pivot or bearing and support frame II.

5. The support positioning device of a manifold welding system of claim 2, wherein: the active support roller frame comprises a first frame and a second frame, wherein the first frame is provided with a first support frame, a second support frame and a transverse moving mechanism, and the first support frame and the second support frame are driven by the transverse moving mechanism to move close to each other or move away from each other; the second machine frame is provided with a longitudinal moving mechanism, the driving end of the longitudinal moving mechanism is connected with the first machine frame, and the first machine frame is driven by the longitudinal moving mechanism to move up and down along the longitudinal direction; the second rack is fixed on a bottom plate, the bottom plate is fixedly connected with the adapter plate, the bottom of the adapter plate is provided with a sliding block, and the sliding block is matched and connected with a guide rail paved on the ground; the first support frame comprises a support frame I erected on the first machine frame and a roller I which is positioned in the support frame I and is rotationally connected with the support frame I through a rotating shaft or a bearing; the second support frame comprises a support frame II erected on the first machine frame and a roller II positioned in the support frame II and rotationally connected with the support frame II through a rotating shaft or a bearing; the device also comprises a rotating mechanism for driving the roller to rotate; the rotating mechanism comprises a motor and a speed reducer in transmission connection with the motor, the motor shell is fixedly connected with the speed reducer shell through a flange, the speed reducer is fixed on the supporting frame, and the driving end of the speed reducer is fixedly connected with the rotating shaft of the roller; the driving mechanism comprises a driving motor and a gear in transmission connection with the driving motor, and the driving motor is fixed on the extension plate; the extension plate is fixedly connected with the adapter plate, and racks which are mutually matched and connected with the gears are arranged on the inner side wall of the guide rail.

6. Support positioning device for a manifold welding system according to claim 3 or 5, characterized in that: the transverse moving mechanism comprises a rotating handle and a screw rod fixedly connected with the rotating handle, the screw rod transversely penetrates through the first rack, the tail end of the screw rod is fixedly connected with the first rack through a bearing, the starting end of the screw rod is connected with the rotating handle, and the rotating handle is fixedly connected with the first rack through a bearing.

7. The support positioning device of a manifold welding system of claim 6, wherein: one side of the screw is provided with a forward thread, the other side of the screw is provided with a reverse thread, the forward thread end and the reverse thread end of the screw are both sleeved with nuts, and the support frame I and the support frame II are respectively fixedly connected with the corresponding nuts; the middle part of the screw rod is fixedly connected with the first frame through a bearing.

8. Support positioning device for a manifold welding system according to claim 4 or 5, characterized in that: the bottom of the support frame I is provided with a sliding block I, the support frame I is erected on a first rack, and the sliding block I is driven by a transverse moving mechanism to transversely move relative to the first rack along the side edge of the first rack; the bottom of the support frame II is provided with a slide block II, the support frame II is erected on the first rack, and the slide block II is driven by the transverse moving mechanism to transversely move along the side edge of the first rack relative to the first rack.

9. Support positioning device for a manifold welding system according to claim 3 or 5, characterized in that: the longitudinal moving mechanism comprises a motor and a screw rod lifter in transmission connection with the motor, the motor and the screw rod lifter are fixed on the second rack, and the top end of a screw rod of the screw rod lifter is fixedly connected with the connecting end of the first rack through a bearing.

10. The support positioning device of a manifold welding system of claim 9, wherein: the longitudinal moving mechanism also comprises guide mechanisms which are arranged on two sides of the screw rod lifter in pairs; the guide mechanism comprises a guide shaft and a guide shaft bearing seat sleeved outside the guide shaft, the guide shaft bearing seat is fixed on the second rack, one end of the guide shaft is fixedly connected with the lower bottom plate of the first rack, and the other end of the guide shaft penetrates through the guide shaft bearing seat and longitudinally moves along the guide shaft bearing seat.

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