Assembling tool clamp and method for welding forming of arc-shaped H-shaped steel

Abstract

The invention discloses an assembling tool clamp and method for arc-shaped H-shaped steel welding forming in the technical field of arc-shaped H-shaped steel forming, and the assembling tool clamp comprises a base, a fixed clamp set and a movable clamp set which are arranged on the base, and further comprises a pushing mechanism; through the arrangement of the fixed clamp set and the movable clamp set, the movable clamp set can be matched with the fixed clamp set to complete the specified radian of the web, the radian of the web can be adjusted according to the moving distance of the movable clamp set, and the device can be suitable for forming machining of webs with different radians.

Description

Technical Field

[0001] The invention relates to the technical field of arc-shaped H-shaped steel forming, in particular to an assembly fixture and method for arc-shaped H-shaped steel welding forming. Background Art

[0002] The production of arc-shaped welded H-beams requires several processes, including cutting, assembly, and arc immersion. In the assembly process, the traditional production method is to manually bend the web and then fix the flange plates to both ends of the web to complete the assembly.

[0003] When assembling curved H-beams in traditional way, a mold frame can be made by assembling a large number of H-beams with a single curvature, but when assembling H-beams with multiple curvatures, multiple mold frames need to be made, resulting in high production costs. Pure manual assembly is time-consuming and labor-intensive, with high labor costs and the inability to accurately control the curvature size. Summary of the invention

[0004] The object of the present invention is to provide an assembly fixture and method for arc-shaped H-shaped steel welding forming to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an assembled tooling fixture for arc-shaped H-shaped steel welding and forming, comprising a base and a fixed fixture group and a movable fixture group arranged on the base, and also comprising a pushing mechanism; the fixed fixture group comprises: a first fixed seat, which is detachably assembled with the base; a first clamping block, which is rotatably connected to the first fixed seat, and a first clamping groove for clamping one end of the web is provided on the first clamping block; a support part one, which is installed on the first fixed seat, and is used to support one end of the flange plate; the movable fixture group comprises: a second fixed seat, which is slidably mounted on the base; a second clamping block, which is rotatably connected to the second fixed seat, and a second clamping groove for clamping the other end of the web is provided on the second clamping block; a driving part, which is used to drive the second fixed seat to move horizontally on the base; a supporting part two, which is slidably mounted on the base, and is used to support the other end of the flange plate; the pushing mechanism is assembled as follows: after the driving part drives the second fixed seat to move to the welding station, it can act on the flange plate to press the side edge of the web plate.

[0006] As a further solution of the present invention, the support part 1 includes: a first mounting plate, fixedly connected to the first fixing seat; a first support seat, rotatably mounted on the first mounting plate, and used to support one end of the flange plate; the first support seat can be kept relatively fixed with the first mounting plate by a fixing member, and the rotation axis of the first support seat is coaxially arranged with the rotation axis of the first clamping block; a limiting clamping block, fixedly connected to the first clamping block and located in a limiting clamping groove opened on the first supporting seat, so that the rotation angle of the first clamping block and the first supporting seat are the same.

[0007] As a further solution of the present invention, the second support part includes: a second mounting plate, which is horizontally slidably arranged on the base and can be relatively fixed to the base; a second support seat, which is rotatably mounted on the second mounting plate and is used to support the other end of the flange plate, and the second support seat can be kept relatively fixed to the second mounting plate through a fixing member; a limit plate, which is fixedly mounted on the second fixing seat and is located on the side of the second mounting plate, and the limit plate is used to limit the sliding distance of the second fixing seat.

[0008] As a further solution of the present invention, the driving part includes: a third fixed seat, which is fixedly connected to the base and is arranged in two, and the two third fixed seats are respectively located on both sides of the second fixed seat; a screw rod, whose two ends are respectively rotatably connected to the two third fixed seats, and when the screw rod rotates, it can drive the second fixed seat to move horizontally on the base.

[0009] As a further solution of the present invention, the first support seat and the second support seat on the same side are jointly provided with a pushing mechanism; the pushing mechanism includes: two first push rods, which are elastically slidably connected to the first support seat and the second support seat respectively; a traction steel rope 1, one end of which is fixedly connected to the first push rod assembled on the second support seat; a traction steel rope 2, one end of which is fixedly connected to the first push rod assembled on the first support seat; a pulling assembly, which is used to simultaneously pull the other end of the traction steel rope 1 and the traction steel rope 2, so that the two first push rods simultaneously push the flange plate to move toward the side close to the web plate.

[0010] As a further solution of the present invention, the pulling assembly includes: a slider, which is fixedly connected to the other end of the traction steel rope one and the traction steel rope two and is elastically slidably assembled with the first mounting plate; a push plate, which is threadedly connected to the screw rod and elastically slidably connected to the second fixed seat; a second push rod, which is fixedly connected to the push plate and one end of which passes through the limit plate, and the second push rod is located on the side of the slider and is used to drive the slider to move.

[0011] A method for welding and forming an arc-shaped H-shaped steel comprises the following steps: using an assembly fixture to weld and form a web plate and two flange plates.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a fixed clamp group and a movable clamp group. The movable clamp group can cooperate with the fixed clamp group to complete the specified curvature of the web. The curvature of the web can be adjusted according to the moving distance of the movable clamp group, and can be suitable for the forming processing of webs with different curvatures.

[0013] Through the arrangement of the first mounting plate, the first support seat, the second mounting plate and the second support seat, the present invention allows the staff to adjust the angles of the first support seat and the second support seat and the distance of the second mounting plate relative to the first mounting plate according to the curvature and length of the flange plate; so that the flange plate can be perfectly inserted into the first support seat and the second support seat; then when the web plate is bent, the first support seat can limit the rotation angle of the first clamping block, and the second mounting plate can limit the moving distance of the second fixing seat; the bending curvature of the web plate can be controlled by the flange plate; the web plate after bending can be better adapted to the flange plate, and at the same time, the installation of the flange plate can be made more convenient, thereby improving the forming efficiency of the arc-shaped H-shaped steel.

[0014] The present invention arranges the push plate and the spring, and after the second fixed seat moves to a position flush with the second mounting plate, the handle wheel can continue to rotate, which can greatly reduce the wear of the screw rod caused by sudden cessation of rotation, and improve the service life of the fixture, and the spring needs to be compressed when the push plate continues to move subsequently, and the force applied by the staff needs to be greater, which can serve to remind the staff that the web bending arc is completed, and at the same time, the push plate can cooperate with the second push rod, the slider, traction steel rope 1, traction steel rope 2 and the first push rod to push the flange plate to a position that fits the web plate, which can facilitate the welding of the flange plate and improve the forming efficiency of the arc-shaped H-shaped steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 for Figure 1 A partial enlarged view of the middle part; Figure 3 for Figure 1 A partial enlarged view of point B in the middle; Figure 4 This is a structural schematic diagram of the fixing fixture assembly of the present invention; Figure 5 It is a structural schematic diagram of the movable clamp assembly of the present invention; Figure 6 It is a schematic diagram of the structure of the limit card block and the limit card slot of the present invention; Figure 7 It is a schematic diagram of the working state of the present invention.

[0016] In the accompanying drawings, the reference numerals are annotated as follows: 1-base, 2-fixed clamp group, 3-movable clamp group, 4-first fixed seat, 5-first block, 6-first slot, 7-first mounting plate, 8-first support seat, 9-limiting block, 10-limiting slot, 11-second fixed seat, 12-second block, 13-second slot, 14-second mounting plate, 15-second support seat, 16-limiting plate, 17-third fixed seat, 18-screw, 19-first push rod, 201-traction steel rope 1, 202-traction steel rope 2, 21-slider, 22-push plate, 23-second push rod, 24-handle wheel, 25-hand reducer. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 7 The present invention provides a technical solution: an assembly fixture for arc-shaped H-shaped steel welding and forming, comprising a base 1, a fixed fixture group 2 and a movable fixture group 3 arranged on the base 1, and also comprising a pushing mechanism; The fixing clamp group 2 includes a first fixing seat 4, a first clamping block 5 and a supporting part 1; the first fixing seat 4 is relatively fixed to the base 1 by bolts and can be moved on the base 1 to adjust the relative distance between the fixing clamp group 2 and the movable clamp group 3; the first clamping block 5 is rotatably connected to the first fixing seat 4 by a pin shaft, and a first clamping groove 6 for clamping one end of the web is provided on the first clamping block 5; the first clamping groove 6 is set as a U-shaped groove, and the width is 2-3mm larger than the thickness of the web, so as to facilitate the insertion of the web; when the web is bent, the first clamping block 5 can rotate on the first fixing seat 4; the supporting part 1 is installed on the first fixing seat 4, and is used to support one end of the flange plate; The movable clamp group 3 includes a second fixed seat 11, a second clamping block 12, a driving part and a second supporting part; the second fixed seat 11 is slidably mounted on the base 1; the second clamping block 12 is rotatably connected to the second fixed seat 11, and a second clamping groove 13 for clamping the other end of the web is provided on the second clamping block 12; the driving part is used to drive the second fixed seat 11 to move horizontally on the base 1; the second supporting part is slidably mounted on the base 1 to support the other end of the flange plate; the movable clamp group 3 is similar in structure to the fixed clamp group 2, except that the movable clamp group 3 can be moved horizontally on the base 1 under the drive of the driving part, and the bending curvature of the web can be controlled by the moving distance of the movable clamp group 3; The pusher mechanism is assembled so that after the driving part drives the second fixing seat 11 to move to the welding station, it can act on the flange plate to press the side edge of the web plate.

[0019] Before work, adjust the distance between the fixed clamp group 2 and the movable clamp group 3 according to the length of the web, so that the distance between the fixed clamp group 2 and the movable clamp group 3 is close to the length of the web, and then lock the fixed clamp group 2 with bolts; when forming the arc H-shaped steel, one end of the web is clamped into the first clamping groove 6 for fixation, and then the other end of the web is clamped into the second clamping groove 13 for fixation; then the movable clamp group 3 can be moved toward the side close to the fixed clamp group 2, and the movable clamp group 3 can cooperate with the fixed clamp group 2 to squeeze the web to the required curvature. The curvature of the web can be adjusted according to the moving distance of the movable clamp group 3, which can be suitable for the forming processing of webs with different curvatures; after the web bending is completed, the staff will install the flange plates on both sides to the two sides of the web, and then weld the connection between the web and the flange plates.

[0020] Specifically, Figure 1-Figure 3 , Figure 5 , Figure 6 As shown, the support part 1 includes a first mounting plate 7, a first support seat 8 and a limiting clamp block 9; the first mounting plate 7 is fixedly connected to the first fixing seat 4; the first supporting seat 8 is rotatably mounted on the first mounting plate 7 to support one end of the flange plate; the first supporting seat 8 can be relatively fixed to the first mounting plate 7 through a fixing member, and the rotation axis of the first supporting seat 8 is coaxially arranged with the rotation axis of the first clamp block 5; the limiting clamp block 9 is fixedly connected to the first clamp block 5 and is located in the limiting clamp groove 10 provided on the first supporting seat 8, so that the first clamp block 5 and the first supporting seat 8 have the same rotation angle; The second support part includes a second mounting plate 14, a second support seat 15 and a limit plate 16; the second mounting plate 14 is horizontally slidably arranged on the base 1 and can be relatively fixed to the base 1; the second support seat 15 is rotatably installed on the second mounting plate 14, used to support the other end of the flange plate, and the second support seat 15 can be kept relatively fixed with the second mounting plate 14 through a fixing member; the limit plate 16 is fixedly installed on the second fixing seat 11 and is located on the side of the second mounting plate 14, and the limit plate 16 is used to limit the sliding distance of the second fixing seat 11.

[0021] During the preparation work, the staff first adjusts the angles of the first support seat 8 and the second support seat 15 according to the curvature of the flange plate, and then adjusts the distance between the first mounting plate 7 and the second mounting plate 14 according to the length of the flange plate; Figure 7As shown, until the two ends of the flange plate can be respectively inserted into the notches of the first support seat 8 and the second support seat 15; it should be noted that the flange plate is usually cut and formed by steel plates, and its structure is relatively stable. The arc shape and length of the flange plates of the same batch and the same model are the same. Therefore, after the staff adjusts the positions of the first support seat 8, the second support seat 15 and the second mounting plate 14 according to the arc shape and length of the flange plate, no further adjustment is required when welding the flange plates of the same model in the subsequent process; as shown Figure 2 and Figure 3 As shown, when adjusting the angle of the first support seat 8 and the second support seat 15 according to the curvature of the flange plate, the staff can first loosen the bolts, and then rotate the first support seat 8 and the second support seat 15. In order to make the rotation angle of the first support seat 8 and the second support seat 15 accurate, pointers can be fixed on the first support seat 8 and the second support seat 15, and scales can be set on the side walls of the first mounting plate 7 and the second mounting plate 14; after the first support seat 8 and the second support seat 15 are rotated to the specified angle, the staff can tighten the bolts again; similarly, after the staff has adjusted the distance between the second mounting plate 14 and the first mounting plate 7 according to the length of the flange plate, the second mounting plate 14 can be fixed to the base 1 by bolts; as shown Figure 7 As shown, after the adjustment is completed, the flange plate can be directly placed on the first support seat 8 and the second support seat 15; then the staff will clamp the web plate into the first clamping groove 6 and the second clamping groove 13 to prepare for bending; after the limit clamping block 9 and the limit clamping groove 10 cooperate, the maximum angle that the first clamping block 5 can rotate is equal to the angle of the adjusted first support seat 8; under the action of the limit plate 16, the second fixing seat 11 can stop moving after moving to be flush with the second mounting plate 14; at this time, the curvature of the web plate just matches the curvature of the flange plate; the web plate after bending can be better adapted to the flange plate; then the staff can push the flange plate to the side close to the web plate, and then carry out welding work; the present invention is through the first mounting plate 7, the first support By setting the support seat 8, the second mounting plate 14 and the second support seat 15, the staff can adjust the angle of the first support seat 8 and the second support seat 15 and the distance of the second mounting plate 14 relative to the first mounting plate 7 according to the curvature and length of the flange plate; so that the flange plate can be perfectly inserted into the first support seat 8 and the second support seat 15; then when the web plate is bent, the first support seat 8 can limit the rotation angle of the first clamping block 5, and the second mounting plate 14 can limit the moving distance of the second fixed seat 11; the bending curvature of the web plate can be controlled by the flange plate; the web plate after bending can be better adapted to the flange plate, and at the same time, the installation of the flange plate can be more convenient, thereby improving the forming efficiency of the arc H-shaped steel.

[0022] Specifically, Figure 5As shown, the driving part includes a third fixed seat 17 and a screw rod 18; the third fixed seat 17 is fixedly connected to the base 1 and is provided in two, and the two third fixed seats 17 are respectively located on both sides of the second fixed seat 11; the two ends of the screw rod 18 are respectively rotatably connected to the two third fixed seats 17, and when the screw rod 18 rotates, it can drive the second fixed seat 11 to move horizontally on the base 1.

[0023] In this embodiment, the screw rod 18 is controlled by a handle wheel 24 and a hand-cranked reducer 25. The staff can drive the screw rod 18 to rotate by turning the handle wheel 24, so that the screw rod 18 drives the second fixed seat 11 to move in the horizontal direction; driving the screw rod 18 to rotate by the handle wheel 24 is relatively simple and convenient; a motor can also be used; the specific selection can be made according to actual conditions.

[0024] Specifically, Figure 1-Figure 3 as well as Figure 6 As shown, the first support seat 8 and the second support seat 15 on the same side are jointly provided with a pushing mechanism; the pushing mechanism includes two first push rods 19, a traction steel rope 1 201, a traction steel rope 202 and a pulling assembly; the two first push rods 19 are elastically slidably connected to the first support seat 8 and the second support seat 15 respectively; one end of the traction steel rope 1 201 is fixedly connected to the first push rod 19 assembled on the second support seat 15; one end of the traction steel rope 202 is fixedly connected to the first push rod 19 assembled on the first support seat 8; the pulling assembly is used to simultaneously pull the other ends of the traction steel rope 1 201 and the traction steel rope 2 202, so that the two first push rods 19 simultaneously push the flange plate to move toward the side close to the web plate; The pulling assembly includes a slider 21, a push plate 22 and a second push rod 23; the slider 21 is fixedly connected to the other ends of the traction steel rope 1 201 and the traction steel rope 2 202 and is elastically slidably assembled with the first mounting plate 7; the push plate 22 is threadedly connected to the screw rod 18 and is elastically slidably connected to the second fixing seat 11; the second push rod 23 is fixedly connected to the push plate 22 and one end thereof passes through the limit plate 16, and the second push rod 23 is located on the side of the slider 21 and is used to drive the slider 21 to move; like Figure 2 and Figure 3As shown, the traction steel rope 202 and the first push rod 19 are relatively fixed. When the second mounting plate 14 is adjusted in position, the staff needs to loosen the bolts fixing the traction steel rope 202 first. After the position adjustment of the second mounting plate 14 is completed, the traction steel rope 202 and the first push rod 19 are locked by the locking action of the bolts, and the traction steel rope 202 is in a straight state; when the web plate is bending, the rotation of the screw rod 18 will drive the push plate 22 to move horizontally, and the push plate 22 will drive the second fixed seat 11 to move synchronously through the spring. When the limit plate 16 moves to fit the second mounting plate 14, the web plate bends to an arc that matches the flange plate. At this time, the second fixed seat 11 no longer moves, and the screw rod 18 can continue to rotate to drive the push plate 22 to continue to move toward the side close to the second fixed seat 11. The push plate 22 will compress the spring and drive the second push rod 23 to move synchronously. The second push rod 23 will drive the slider 21 to move left, and the slider 21 can be moved by the traction steel rope The first push rod 19 can push the flange plate to a position where it fits with the web after bending, and the staff only needs to directly perform welding. The present invention arranges the push plate 22 and the spring. After the second fixed seat 11 moves to a position flush with the second mounting plate 14, the handle wheel 24 can continue to rotate, which can greatly reduce the wear of the screw rod 18 caused by the sudden cessation of rotation, and improve the service life of the fixture. When the push plate 22 continues to move, the spring needs to be compressed, and the staff needs to apply a greater force, which can serve to remind the staff that the web bending is completed. At the same time, the push plate 22 can cooperate with the second push rod 23, the slider 21, the traction steel rope 1 201 and the traction steel rope 202 as well as the first push rod 19 to push the flange plate to a position where it fits with the web, which can facilitate the welding of the flange plate and improve the forming efficiency of the arc-shaped H-shaped steel.

[0025] The present invention also aims to protect a method for welding and forming an arc-shaped H-shaped steel, which adopts the above-mentioned assembly fixture to weld and form a web plate and two flange plates.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembly fixture for arc-shaped H-shaped steel welding and forming, comprising a base (1) and a fixed fixture group (2) and a movable fixture group (3) arranged on the base (1), characterized in that: Also includes a material pushing mechanism; The fixing fixture assembly (2) comprises: A first fixing seat (4) detachably assembled with the base (1); A first clamping block (5) is rotatably connected to the first fixing seat (4), and a first clamping groove (6) for clamping one end of the web is formed on the first clamping block (5); A first support portion, mounted on the first fixing seat (4), and used for supporting one end of the flange plate; The movable fixture group (3) comprises: A second fixed seat (11) is slidably mounted on the base (1); A second clamping block (12) is rotatably connected to the second fixing seat (11), and the second clamping block (12) is provided with a second clamping groove (13) for clamping the other end of the web; A driving unit, used for driving the second fixing seat (11) to move horizontally on the base (1); A second support portion is slidably mounted on the base (1) and is used to support the other end of the flange plate; The pusher mechanism is assembled so that after the driving unit drives the second fixing seat (11) to move to the welding station, it can act on the flange plate to press the side edge of the web plate.

2. The assembly fixture for arc-shaped H-shaped steel welding and forming according to claim 1, characterized in that: The support part 1 comprises: A first mounting plate (7) fixedly connected to the first fixing seat (4); A first support seat (8) is rotatably mounted on the first mounting plate (7) and is used to support one end of the flange plate; the first support seat (8) can be relatively fixed to the first mounting plate (7) via a fixing member, and the rotation axis of the first support seat (8) is coaxially arranged with the rotation axis of the first clamping block (5); The limiting clamping block (9) is fixedly connected to the first clamping block (5) and is located in a limiting clamping groove (10) provided on the first support seat (8), so that the first clamping block (5) and the first support seat (8) have the same rotation angle.

3. The assembly fixture for arc-shaped H-beam welding and forming according to claim 2 is characterized in that: The second support part comprises: A second mounting plate (14) is horizontally slidably disposed on the base (1) and is capable of being fixed relative to the base (1); A second support seat (15) is rotatably mounted on the second mounting plate (14) and is used to support the other end of the flange plate, wherein the second support seat (15) can be relatively fixed to the second mounting plate (14) via a fixing member; A limit plate (16) is fixedly mounted on the second fixing seat (11) and is located on the side of the second mounting plate (14), wherein the limit plate (16) is used to limit the sliding distance of the second fixing seat (11).

4. The assembly fixture for arc-shaped H-shaped steel welding and forming according to claim 3 is characterized in that: The driving unit comprises: A third fixing seat (17) fixedly connected to the base (1) and provided in two pieces, wherein the two third fixing seats (17) are respectively located on both sides of the second fixing seat (11); The screw rod (18) has two ends respectively connected to the two third fixing seats (17) for rotation, and when the screw rod (18) rotates, it can drive the second fixing seat (11) to move horizontally on the base (1).

5. The assembly fixture for arc-shaped H-beam welding and forming according to claim 4 is characterized in that: The first support seat (8) and the second support seat (15) on the same side are jointly provided with a material pushing mechanism; the material pushing mechanism comprises: Two first push rods (19) are elastically slidably connected to the first support seat (8) and the second support seat (15) respectively; A traction steel rope (201), one end of which is fixedly connected to a first push rod (19) mounted on a second support seat (15); A second traction steel rope (202), one end of which is fixedly connected to a first push rod (19) mounted on a first support seat (8); The pulling assembly is used to simultaneously pull the other end of the first pulling steel rope (201) and the second pulling steel rope (202), so that the two first push rods (19) simultaneously push the flange plate to move toward the side close to the web plate.

6. The assembly fixture for arc-shaped H-beam welding and forming according to claim 5, characterized in that: The pulling assembly comprises: A slider (21) is fixedly connected to the other end of the first traction steel rope (201) and the second traction steel rope (202) and is elastically slidably assembled with the first mounting plate (7); A push plate (22) is threadedly connected to the screw rod (18) and elastically slidably connected to the second fixing seat (11); A second push rod (23) is fixedly connected to the push plate (22) and one end of the second push rod passes through the limit plate (16). The second push rod (23) is located on the side of the slider (21) and is used to drive the slider (21) to move.

7. A method for welding and forming arc-shaped H-shaped steel, characterized in that: The method specifically comprises welding the web plate and two flange plates into shape using the assembly fixture as described in any one of claims 1 to 6.

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