Shed frame welding positioning mechanism

Abstract

The utility model provides a shed frame welding positioning mechanism which is characterized in that a plurality of parallel movable grooves are formed in the top of a supporting bottom plate, a movable block is horizontally and movably arranged in each movable groove, and an adjusting mechanism used for adjusting the positions of the movable blocks is arranged on the supporting bottom plate; the movable blocks comprise a first movable block, a second movable block and a third movable block; the bottom supporting block is connected to the first movable block and used for supporting a horizontal steel plate in a horizontal shape. The outer supporting block is connected to the second movable block, a vertical steel plate is arranged on the side of the horizontal steel plate, the horizontal steel plate abuts against the middle of the vertical steel plate, and the outer supporting block is used for supporting the side, away from the horizontal steel plate, of the vertical steel plate. The inner supporting frame is in an L shape, the bottom of the inner supporting frame is fixedly connected with the third movable block, and an inner supporting block is vertically arranged on the top of the inner supporting frame and used for supporting the side, close to the horizontal steel plate, of the vertical steel plate. The shed frame welding and positioning mechanism provided by the utility model has a better production effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the production technical field of shed frame relates to a shed frame welding positioning mechanism. BACKGROUND

[0002] The car canopy (also known as a car shed) is a kind of outdoor protective barrier for vehicles, which is a protective building to protect vehicles from damage, mainly having the functions of wind-shielding, rain-shielding, sun-shielding, beautifying landscape, preventing high-altitude falling objects, etc., and is commonly used in outdoor private or public places such as residential buildings, villa communities, companies, schools, stores, gymnasiums, factories, etc. The car shed mainly includes a steel framework and a canopy cloth on the top of the framework. The framework is used to be fixedly connected with the ground and to support the canopy cloth, and the canopy cloth is the main structure for wind-shielding and rain-shielding.

[0003] Among them, the I-shaped steel or T-shaped steel is a common form of the shed frame. However, since the shed frame (i.e. the framework) is not a standard part, but is designed according to actual needs or characteristics, some shed frames are straight, some are arc-shaped, some are ladder-shaped, and some are a combination of straight and arc-shaped. Therefore, when welding the shed frame, the worker either manually holds the unit (i.e. the steel plate constituting the shed frame) and then welds it, or designs a corresponding clamp to fix the unit according to the specific shape. However, the former has a large operation difficulty when producing a larger shed frame, and the latter needs to develop multiple clamps, and the production effect is poor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a shed frame welding positioning mechanism, which aims to solve the problem of poor production effect.

[0005] To solve the above technical problems, the utility model provides a shed frame welding positioning mechanism, which comprises:

[0006] A support bottom plate is provided with a plurality of parallel movable grooves on the top, and the two ends of the movable groove have a set distance from the edge of the support bottom plate. An activity block is horizontally arranged in each movable groove. An adjusting mechanism is arranged on the support bottom plate to adjust the position of the activity block. The activity block comprises a first activity block, a second activity block and a third activity block. The first activity block, the second activity block and the third activity block are arranged in a staggered manner.

[0007] A bottom support block is connected to the first activity block, and is used to support the horizontal steel plate.

[0008] An outer support block is connected to the second movable block, the side of the horizontal steel plate has a vertical steel plate, and the horizontal steel plate is in contact with the middle part of the vertical steel plate, and the outer support block is used for supporting the side of the vertical steel plate away from the horizontal steel plate.

[0009] An inner support frame is in L shape, the bottom of the inner support frame is fixedly connected with the third movable block, and the top of the inner support frame is vertically provided with an inner support block, and the inner support block is used for supporting the side of the vertical steel plate close to the horizontal steel plate.

[0010] The utility model further sets up, both sides of movable block all are horizontally provided with stable block, the stable groove is opened in the movable groove and is matched with stable block, the adjusting mechanism includes adjusting screw rod, one end of adjusting screw rod is rotatably connected with movable block, the middle part of adjusting screw rod passes through the edge of support base plate and is matched with support base plate in screw.

[0011] The utility model further sets up, both sides of bottom support block all are vertically provided with anti -rotation strip, vertical opening is equipped with the cooperation hole of bottom support block and anti -rotation strip on the first movable block, the middle part of cooperation hole is horizontally provided with adjusting part, the bottom of bottom support block is vertically opened and is used for the card -in groove of adjusting part, the top of bottom support block is opened and is accommodated groove, vertically rotatably set up lift screw rod on bottom support block, lift screw rod is connected with adjusting part in screw, the top of lift screw rod is provided with lift nut, and lift nut is located in accommodating groove.

[0012] The utility model further sets up, the outer support block includes vertically set up in the outer support rod of second movable block and the outer support cylinder of rotation connection in the outer wall of outer support rod, and the outer support cylinder is in cylindrical.

[0013] The utility model further sets up, the inner support block includes:

[0014] Vertical cylinder, the vertical cylinder is vertically connected to the free end of inner support frame;

[0015] Vertical rod, the vertical rod is vertically movably passed through the vertical cylinder, and the outer wall of vertical rod is movably attached to the inner wall of vertical cylinder;

[0016] Inner support cylinder, the inner support cylinder is rotatably connected to the bottom of vertical rod, and the inner support cylinder is in cylindrical.

[0017] The elastic member in the compressed state, the top and bottom of the elastic member are in contact with the vertical cylinder and the inner support cylinder respectively.

[0018] The utility model further sets up, the bottom of vertical rod is rotatably provided with drag -reducing bead, and the bottom of drag -reducing bead is lower than the bottom of inner support cylinder.

[0019] The utility model further sets up, the top of vertical rod is provided with operating lever, the top of operating lever is provided with operating disc, both sides outer wall of vertical rod all are provided with termination block, the inner wall of vertical cylinder is provided with compression groove and temporary groove, the top of compression groove and temporary groove all run through the top of vertical cylinder, the bottom all are higher than the bottom of vertical cylinder, and the bottom of compression groove is lower than the bottom of temporary groove, termination block can be located in compression groove or temporary groove, when termination block is located in compression groove, termination block is higher than the bottom of compression groove, the reduction of resistance pearl is resisted to the top of horizontal steel sheet, the inner support cylinder is resisted to vertical steel sheet, when termination block is resisted to the bottom of temporary groove, the reduction of resistance pearl is higher than vertical steel sheet.

[0020] The utility model further sets up, the movable block still includes one fourth movable block, the top of fourth movable block is provided with end plate, the length direction of end plate is parallel with the length direction of movable slot, a plurality of end part holes are seted up and run through end plate, still include three end part bolts, every end part bolt can be connected with any end part hole threadedly, the end of end part bolt is used for resisting the end of horizontal steel sheet and vertical steel sheet.

[0021] Compared with the prior art, the utility model provides a kind of shed frame welding positioning mechanism, when welding shed frame, first, the position of first movable block is moved, and the bottom of horizontal steel sheet can be supported by bottom support block, then the position of second movable block is moved, and the outside of vertical steel sheet can be supported by outer support block, then vertical steel sheet is placed to outside and is attached to the state of outer support block (the bottom of vertical steel sheet is resisted on support bottom plate), horizontal steel sheet is placed horizontally to bottom support block, and the outside of horizontal steel sheet is horizontally resisted in the middle part of vertical steel sheet;Then the position of third movable block is moved, and inner support block is resisted in the inside of vertical steel sheet, so that the positioning of vertical steel sheet and horizontal steel sheet is completed, and vertical steel sheet and horizontal steel sheet can be spot welded or locally welded, then vertical steel sheet and horizontal steel sheet are taken off from support bottom plate, and subsequent processing is carried out according to circumstances, such as full welding, polishing, paint spraying etc. operation. Although the shape of shed frame has difference, but since the position of first movable block, second movable block and third movable block can be adjusted along the length direction of movable slot, so that even if the shape of shed frame changes, horizontal steel sheet and vertical steel sheet can be better supported and clamped and positioned, so that various different shapes of shed frame can be supported and positioned, and production effect is better.

[0022] If H-shaped steel is produced, after the horizontal steel plate and the vertical steel plate are welded, it is necessary to adjust the position of the inner support block, fit the other vertical steel plate on the other side of the horizontal steel plate, and then use the inner support block to clamp the outer side of the vertical steel plate before welding and other operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural diagram of an embodiment of a scaffolding welding positioning mechanism of the present invention;

[0024] Figure 2 yes Figure 1 Enlarged view of part A;

[0025] Figure 3 yes Figure 1 Enlarged view of part B;

[0026] Figure 4 yes Figure 1 Enlarged view of part C;

[0027] Figure 5 This is a cross-sectional view of an embodiment of a scaffolding welding positioning mechanism of the present invention. Figure 1 ;

[0028] Figure 6 yes Figure 5 Enlarged view of part D in the middle;

[0029] Figure 7 This is a cross-sectional view of an embodiment of a scaffolding welding positioning mechanism of the present invention. Figure 2 ;

[0030] Figure 8 yes Figure 7 Enlarged view of part E in the middle;

[0031] Figure 9 This is an exploded view of an embodiment of the first movable block portion of a scaffolding welding positioning mechanism of the present invention;

[0032] Figure 10 This is a schematic diagram of an embodiment of the second movable block portion of a scaffolding welding positioning mechanism of the present invention;

[0033] Figure 11 This is a schematic diagram of an embodiment of an inner support block portion of a scaffolding welding positioning mechanism of the present invention;

[0034] Figure 12 This is a schematic diagram of an embodiment of a vertical rod in a scaffolding welding positioning mechanism of the present invention;

[0035] Figure 13 It is a schematic diagram of half a vertical cylinder in a scaffolding welding positioning mechanism of the present invention.

[0036] Wherein, 1, support bottom plate; 2, movable slot; 3, first movable block; 4, second movable block; 5, third movable block; 6, bottom support block; 7, horizontal steel plate; 8, outer support block; 8a, outer support rod; 8b, outer support cylinder; 9, vertical steel plate; 10, inner support frame; 11, inner support block; 11a, vertical cylinder; 11b, vertical rod; 11c, inner support cylinder; 12, stabilizing block; 13, stabilizing slot; 14, adjusting screw; 15, anti-rotation bar; 16, matching hole; 17, adjusting part; 18, clamping groove; 19, containing groove; 20, lifting screw; 21, lifting nut; 22, elastic member; 23, drag-reducing bead; 24, operating rod; 25, operating disc; 26, end block; 27, pressing groove; 28, temporary groove; 29, fourth movable block; 30, end plate; 31, end hole; 32, end bolt. DETAILED DESCRIPTION

[0037] The utility model proposes a kind of shed frame welding positioning mechanism further detailedly as shown in the following drawings and specific embodiments.The advantages and features of the utility model will be clearer according to the following description.It should be noted that, drawings are all very simplified form and all use non-precise scale, just to facilitate, clearly assist the purpose of the description of the embodiment of the utility model. Same or similar reference numerals in the drawings represent the same or similar parts.

[0038] A kind of shed frame welding positioning mechanism, as Figures 1 to 13 As shown in the figure, it includes:

[0039] Support bottom plate 1, the top of the support bottom plate 1 is provided with a plurality of parallel movable slots 2, the movable slot 2 is provided with a movable block in each movable slot 2, the support bottom plate 1 is provided with adjusting mechanism for adjusting the position of the movable block, the movable block includes first movable block 3, second movable block 4 and third movable block 5, the first movable block 3, the second movable block 4 and the third movable block 5 are provided with a plurality of, and the first movable block 3, the second movable block 4 and the third movable block 5 are staggered distribution;

[0040] Bottom support block 6, the bottom support block 6 is connected to the first movable block 3, and the bottom support block 6 is used to support horizontal horizontal steel plate 7;

[0041] The outer support block 8 is connected to the second movable block 4, the side of the horizontal steel plate 7 has a vertical steel plate 9, and the horizontal steel plate 7 abuts the middle of the vertical steel plate 9, the outer support block 8 is used to support the side of the vertical steel plate 9 away from the horizontal steel plate 7, wherein the horizontal steel plate 7 and the vertical steel plate 9 are not within the scope of the present application, and are introduced here only for auxiliary description; secondly, the horizontal steel plate 7 is a steel plate in a horizontal state when welded, and the vertical steel plate 9 represents a steel plate in a vertical state when welded;

[0042] The inner support frame 10 is L-shaped, the bottom of the inner support frame 10 is fixedly connected to the third movable block 5, and the top is vertically provided with an inner support block 11, which is used to support the side of the vertical steel plate 9 close to the horizontal steel plate 7.

[0043] The two sides of the movable block are horizontally provided with a stabilizing block 12, the movable groove 2 is provided with a stabilizing groove 13 movably matched with the stabilizing block 12, and the adjusting mechanism comprises an adjusting lead screw 14, one end of the adjusting lead screw 14 is rotatably connected to the movable block, the middle of the adjusting lead screw 14 penetrates the edge of the support bottom plate 1 and is threadedly matched with the support bottom plate 1.

[0044] The two sides of the bottom support block 6 are vertically provided with an anti-rotation strip 15, the first movable block 3 is vertically provided with a matching hole 16 matched with the bottom support block 6 and the anti-rotation strip 15, the middle of the matching hole 16 is horizontally provided with an adjusting portion 17, the bottom of the bottom support block 6 is vertically provided with a clamping groove 18 for clamping the adjusting portion 17, the top of the bottom support block 6 is provided with a containing groove 19, the bottom support block 6 is vertically rotatably provided with a lifting screw 20, the lifting screw 20 is threadedly connected with the adjusting portion 17, the top of the lifting screw 20 is provided with a lifting nut 21, and the lifting nut 21 is located in the containing groove 19.

[0045] The outer support block 8 comprises an outer support rod 8a vertically provided on the second movable block 4 and an outer support cylinder 8b rotatably connected to the outer wall of the outer support rod 8a, and the outer support cylinder 8b is in a cylindrical shape.

[0046] The inner support block 11 comprises:

[0047] A vertical cylinder 11a is vertically connected to the free end of the inner support frame 10;

[0048] A vertical rod 11b is vertically movably provided through the vertical cylinder 11a, and the outer wall of the vertical rod 11b movably abuts the inner wall of the vertical cylinder 11a;

[0049] An inner support cylinder 11c is rotatably connected to the bottom of the vertical rod 11b, and the inner support cylinder 11c is in a cylindrical shape.

[0050] The elastic member 22 is continuously compressed, and the top and bottom of the elastic member 22 abut against the vertical cylinder 11a and the inner supporting cylinder 11c respectively.

[0051] The bottom of the vertical rod 11b is provided with a drag-reducing bead 23, and the bottom of the drag-reducing bead 23 is lower than the bottom of the inner supporting cylinder 11c.

[0052] The top of the vertical rod 11b is vertically provided with an operating rod 24, the top of the operating rod 24 is horizontally provided with an operating disc 25, both sides of the vertical rod 11b are provided with a terminal block 26, the inner wall of the vertical cylinder 11a is vertically provided with a pressing groove 27 and a temporary groove 28, the top of the pressing groove 27 and the temporary groove 28 penetrates the top of the vertical cylinder 11a, the bottom of the pressing groove 27 and the temporary groove 28 is higher than the bottom of the vertical cylinder 11a, and the bottom of the pressing groove 27 is lower than the bottom of the temporary groove 28, the terminal block 26 can be located in the pressing groove 27 or the temporary groove 28, when the terminal block 26 is located in the pressing groove 27, the terminal block 26 is higher than the bottom of the pressing groove 27, the drag-reducing bead 23 abuts against the top of the horizontal steel plate 7, and the inner supporting cylinder 11c abuts against the vertical steel plate 9, when the terminal block 26 abuts against the bottom of the temporary groove 28, the drag-reducing bead 23 is higher than the vertical steel plate 9.

[0053] The movable block further comprises a fourth movable block 29, the top of the fourth movable block 29 is vertically provided with an end plate 30, the length direction of the end plate 30 is parallel to the length direction of the movable groove 2, a plurality of end holes 31 are provided through the end plate 30, and three end bolts 32 are further provided, each of the end bolts 32 is threadedly connected with any one of the end holes 31, and the end of the end bolt 32 is used for abutting against the end of the horizontal steel plate 7 and the vertical steel plate 9.

[0054] The utility model provides a kind of shed frame welding positioning mechanism, when welding to shed frame, first, the position of first movable block 3 is moved, and the bottom of horizontal steel plate 7 can be supported by bottom support block 6, then the position of second movable block 4 is moved, and the outside of vertical steel plate 9 can be supported by outer support block 8, after vertical steel plate 9 is placed to the state of outside adhesion in outer support block 8 (the bottom of vertical steel plate 9 is in contact on support base plate 1), horizontal steel plate 7 is placed horizontally on bottom support block 6, and the outside of horizontal steel plate 7 is in contact horizontally in the middle of vertical steel plate 9;Then the position of third movable block 5 is moved, and inner support block 11 is in contact on the inside of vertical steel plate 9, so the positioning of vertical steel plate 9 and horizontal steel plate 7 is completed, and spot welding or local welding can be carried out to vertical steel plate 9 and horizontal steel plate 7, then horizontal steel plate 7 and vertical steel plate 9 are taken off from support base plate 1, and subsequent processing is carried out according to circumstances, such as full welding, polishing, paint spraying etc.Operation. Although the shape of shed frame has difference, the position of first movable block 3, second movable block 4 and third movable block 5 can be adjusted along the length direction of movable groove 2, so that horizontal steel plate 7 and vertical steel plate 9 can be supported and clamped and positioned even if the shape of shed frame changes, so that various different shapes of shed frame can be supported and positioned, and the production effect is better.

[0055] If H-shaped steel is produced, the position of inner support block 11 needs to be adjusted after horizontal steel plate 7 and vertical steel plate 9 are welded, another vertical steel plate 9 is adhered on the other side of horizontal steel plate 7, and then the outside of the vertical steel plate 9 is clamped by inner support block 11, and then welding and other operations are carried out.

[0056] When adjusting the position of first movable block 3, second movable block 4, third movable block 5 and fourth movable block 29, only need to rotate adjusting screw rod 14, so that adjusting screw rod 14 can be relatively moved with support base plate 1, and adjusting screw rod 14 can pull or push movable block;At the same time, the stability of movable block is guaranteed by the limiting of stabilizing groove 13 on both sides of movable block. First movable block 3, second movable block 4 and third movable block 5 have several, and are staggered, so that bottom support block 6, outer support block 8 and inner support block 11 also have several, and are staggered. So first, horizontal steel plate 7 and vertical steel plate 9 can be stably supported or limited, and second, the stability of support or limitation can be guaranteed.

[0057] In actual processing, firstly, the terminal block 26 is located in the temporary groove 28, and at this time, the inner supporting cylinder 11c is also located outside the vertical steel plate 9, so that the upper part for placing the vertical steel plate 9 and the horizontal steel plate 7 is in an open state. In the placing process, firstly, the vertical steel plate 9 is placed, and the outer side of the vertical steel plate 9 is in contact with the outer supporting cylinder 8b, and the end is in contact with one of the end bolts 32; then the horizontal steel plate 7 is placed, and the bottom of the horizontal steel plate 7 is in contact with the top of the bottom supporting block 6, the outer side is in contact with the middle part of the vertical steel plate 9, and the end is in contact with the other end bolt 32; then the adjusting screw 14 on the third movable block 5 is rotated, the inner supporting cylinder 11c is moved over the top of the vertical steel plate 9, and then the operating disc 25 is raised upward, the operating disc 25 is rotated, the terminal block 26 is moved from the temporary groove 28 to the pressing groove 27, at this time, under the action of the elastic member 22, the inner supporting cylinder 11c is moved downward until the resistance reducing bead 23 is in contact with the top of the horizontal steel plate 7, then the adjusting screw 14 of the third movable block 5 is reversely rotated, the inner supporting cylinder 11c is moved towards the inner side of the vertical steel plate 9 until the inner supporting cylinder 11c is in contact with the inner side of the vertical steel plate 9, at this time, the vertical steel plate 9 and the horizontal steel plate 7 are clamped and fixed, that is, the two sides of the vertical steel plate 9 are clamped by the inner supporting cylinder 11c and the outer supporting cylinder 8b, the horizontal steel plate 7 is clamped by the bottom supporting block 6 and the resistance reducing bead 23, so that the horizontal steel plate 7 and the vertical steel plate 9 can be welded. In actual welding, if the horizontal steel plate 7 and the vertical steel plate 9 can be sufficiently fixed by the bottom supporting block 6 and the outer supporting cylinder 8b, the outer supporting cylinder 8b and the like are not needed, but generally, if the shape of the shed frame is special, the outer supporting cylinder 8b is needed for clamping and positioning.

[0058] Although the shapes of the shed frames are different, the positions of the outer supporting block 8, the inner supporting block 11 and the bottom supporting block 6 can be moved, and the inner supporting cylinder 11c and the outer supporting cylinder 8b are both cylindrical, so that better fitting on the vertical steel plate 9 can be ensured, so that the vertical steel plate 9 can be clamped and positioned.

[0059] If the H-shaped steel is produced, after the above operation is completed, the height of the vertical rod 11b is raised, the terminal block 26 is moved into the temporary groove 28, then the outer vertical steel plate 9 is fitted to the side of the horizontal steel plate 7, and the end of the vertical steel plate 9 is in contact with the third end bolt 32, the position of the third movable block 5 is moved by the adjusting screw 14, the inner supporting cylinder 11c is moved to the outer side of the vertical steel plate 9, then the terminal block 26 is moved into the pressing groove 27, at this time, the terminal block 26 is in contact with the bottom of the pressing groove 27, and the side of the inner supporting cylinder 11c can act on the middle part or the position close to the middle part of the vertical steel plate 9, then the vertical steel plate 9 and the horizontal steel plate 7 can be welded.

[0060] Wherein the shape and size of different shelves are different, such as the width of vertical steel plate 9 is different, or the thickness of horizontal steel plate 7 is different, the height of the bottom support block 6 needs to be adjusted, so that the horizontal steel plate 7 can be welded in the middle of the vertical steel plate 9. When adjusting, only need to rotate the lifting nut 21, which drives the lifting screw 20 to rotate, because the lifting screw 20 is screwed with the adjusting part 17, and is rotatably connected with the bottom support block 6, so that the height of the bottom support block 6 changes, so that the horizontal steel plate 7 can be supported. Wherein the anti-rotation strip 15 on both sides of the bottom support block 6 is limited by the cooperating hole 16 and cannot rotate, so that the bottom support block 6 can only stably ascend and descend.

[0061] At the same time, the height of the outer support cylinder 8b is large, so that even if the vertical steel plate 9 changes, it can normally support and limit the outer side of the vertical steel plate 9; At the same time, the top of the inner support cylinder 11c and the bottom of the vertical cylinder 11a are elastic members 22, so that even if the height of the horizontal steel plate 7 changes, the drag-reducing beads 23 can normally act on the top of the horizontal steel plate 7, and the inner support cylinder 11c can normally act on the inner side of the vertical steel plate 9. At the same time, the position of the fourth movable block 29 can be adjusted, and the end bolt 32 can be selectively screwed with different end holes 31, so that even if the T-shaped steel or H-shaped steel changes, the position of the fourth movable block 29 can be moved after the end bolt 32 is screwed with different end holes 31, so that the end bolt 32 can limit the end of the horizontal steel plate 7 and the vertical steel plate 9.

[0062] The above description is only a description of the preferred embodiment of the present application, and is not any limitation on the scope of the present application. Any modification or modification of the above disclosure by a person skilled in the art is within the protection scope of the claims.

Claims

1. A pylon welding positioning mechanism, characterized by, Include: Supporting bottom plate (1), the top of the supporting bottom plate (1) is provided with a plurality of parallel movable grooves (2), the both ends of the movable groove (2) are provided with a set distance between the edge of the supporting bottom plate (1), each movable groove (2) is horizontally movably provided with a movable block, the supporting bottom plate (1) is provided with an adjusting mechanism for adjusting the position of the movable block, the movable block includes a first movable block (3), a second movable block (4) and a third movable block (5), the first movable block (3), the second movable block (4) and the third movable block (5) are provided with a plurality of, and the first movable block (3), the second movable block (4) and the third movable block (5) are staggered. Bottom support block (6), the bottom support block (6) is connected to the first movable block (3), the bottom support block (6) is used for supporting the horizontal steel plate (7). The outer support block (8) is connected to the second movable block (4), the side of the horizontal steel plate (7) has a vertical steel plate (9), and the horizontal steel plate (7) is in contact with the middle part of the vertical steel plate (9), the outer support block (8) is used for supporting the side of the vertical steel plate (9) away from the horizontal steel plate (7). The inner support frame (10) is L-shaped, the bottom of the inner support frame (10) is fixedly connected with the third movable block (5), and the top is vertically provided with an inner support block (11), the inner support block (11) is used for supporting the side of the vertical steel plate (9) close to the horizontal steel plate (7).

2. A shed welding positioning mechanism according to claim 1, wherein The both sides of the movable block are horizontally provided with a stabilizing block (12), the movable groove (2) is provided with a stabilizing groove (13) movably matched with the stabilizing block (12), the adjusting mechanism comprises an adjusting screw rod (14), one end of the adjusting screw rod (14) is rotatably connected with the movable block, the middle part of the adjusting screw rod (14) penetrates through the edge of the supporting bottom plate (1) and is threadedly connected with the supporting bottom plate (1).

3. A shed welding positioning mechanism according to claim 2, wherein The both sides of the bottom support block (6) are vertically provided with an anti-rotation strip (15), the first movable block (3) is vertically provided with a matching hole (16) matched with the bottom support block (6) and the anti-rotation strip (15), the middle part of the matching hole (16) is horizontally provided with an adjusting part (17), the bottom of the bottom support block (6) is vertically provided with a clamping groove (18) for clamping the adjusting part (17), the top of the bottom support block (6) is provided with a containing groove (19), the bottom support block (6) is vertically rotatably provided with a lifting screw rod (20), the lifting screw rod (20) is threadedly connected with the adjusting part (17), the top of the lifting screw rod (20) is provided with a lifting nut (21), and the lifting nut (21) is located in the containing groove (19).

4. A shed welding positioning mechanism according to claim 3, wherein The outer support block (8) comprises an outer support rod (8a) vertically arranged on the second movable block (4) and an outer support cylinder (8b) rotatably connected to the outer wall of the outer support rod (8a), and the outer support cylinder (8b) is in the shape of a cylinder.

5. A shelf welding positioning mechanism according to claim 3, wherein The inner support block (11) comprises: A vertical cylinder (11a) is vertically connected to the free end of the inner support frame (10); A vertical rod (11b) is vertically movably arranged through the vertical cylinder (11a), and the outer wall of the vertical rod (11b) movably abuts against the inner wall of the vertical cylinder (11a); An inner support cylinder (11c) is rotatably connected to the bottom of the vertical rod (11b), and the inner support cylinder (11c) is in the shape of a cylinder; An elastic member (22) is in a compressed state, and the top and bottom of the elastic member (22) abut against the vertical cylinder (11a) and the inner support cylinder (11c) respectively.

6. A shed welding positioning mechanism according to claim 5, wherein The bottom of the vertical rod (11b) is rotatably provided with a drag-reducing bead (23), and the bottom of the drag-reducing bead (23) is lower than the bottom of the inner support cylinder (11c).

7. A shed welding positioning mechanism according to claim 6, wherein The top of the vertical rod (11b) is vertically provided with an operating rod (24), the top of the operating rod (24) is horizontally provided with an operating disc (25), the outer walls of the two sides of the vertical rod (11b) are both provided with a terminal block (26), the inner wall of the vertical cylinder (11a) is vertically provided with a compression groove (27) and a temporary groove (28), the top of each of the compression groove (27) and the temporary groove (28) penetrates the top of the vertical cylinder (11a), the bottom of each of the compression groove (27) and the temporary groove (28) is higher than the bottom of the vertical cylinder (11a), the bottom of the compression groove (27) is lower than the bottom of the temporary groove (28), the terminal block (26) can be located in the compression groove (27) or the temporary groove (28), when the terminal block (26) is located in the compression groove (27), the terminal block (26) is higher than the bottom of the compression groove (27), the drag-reducing bead (23) abuts against the top of the horizontal steel plate (7), the inner support cylinder (11c) abuts against the vertical steel plate (9), when the terminal block (26) abuts against the bottom of the temporary groove (28), the drag-reducing bead (23) is higher than the vertical steel plate (9).

8. A rack welding positioning mechanism according to claim 1, wherein The movable block further comprises a fourth movable block (29), the top of the fourth movable block (29) is vertically provided with an end plate (30), the length direction of the end plate (30) is parallel to the length direction of the movable groove (2), a plurality of end holes (31) are provided through the end plate (30), and three end bolts (32) are further included, each of the end bolts (32) can be threadedly connected with any one of the end holes (31), and the end of the end bolt (32) is used for abutting against the ends of the horizontal steel plate (7) and the vertical steel plate (9).

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