A new type of fixture for welding standard sections of construction machinery

Abstract

The present invention discloses a new type of fixture for welding standard sections of construction machinery, wherein a supporting rotary gear is arranged above a rotating power device, a fixture mounting plate is arranged outside a mounting bracket, a supporting disc is arranged between the fixture mounting plate and the mounting bracket, a guide column penetrates through the supporting disc and extends out of the supporting rotary gear, one end of a push-pull cylinder is connected to the outside of the fixture mounting plate, an air shaft mounting plate is arranged inside the fixture mounting plate, and the air shaft is evenly arranged on the outer surface of the air shaft mounting plate, a clamping device is arranged between power end components, two ends of a tensioning mold positioning column penetrate through a shaping V-shaped block and are fixedly connected to the inside of the supporting disc, a limiting frame is arranged above the shaping V-shaped block, and a welding workpiece is arranged between the limiting frame and the shaping V-shaped block. The present invention fixes the welding workpiece in the clamping device through the cooperation between the components, and the size of the standard section completed by welding is accurate. At the same time, the fixture has a flipping function, and can be flipped at any time during the welding process to put the welding position in the best welding state.

Description

Technical Field

[0001] The invention relates to the technical field of clamps, in particular to a new type of clamp for welding standard sections of construction machinery. Background Art

[0002] In order to reduce the weight, standard section products generally adopt truss structure, which is composed of rectangular tube, angle steel and other profiles. In the current standard section production, it is generally assembled and welded by manpower. Since the standard section needs to be welded in multiple directions, it needs to be turned over many times during the welding process. Since there is no special fixture to assist positioning in manual welding, the size of the standard section is difficult to guarantee after welding, which often causes dimensional deviation. At the same time, in the current production, the labor intensity of manually turning over the standard section is also relatively high. Summary of the invention

[0003] The purpose of the present invention is to provide a new type of welding fixture for standard sections of construction machinery, which can provide positioning in the production of standard sections, and is also convenient for flipping and reduces labor intensity, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a new type of welding fixture for standard sections of construction machinery, comprising a welding workpiece, a positioner base, a power end assembly, a clamping device, a supporting disc, a fixture mounting disc, a guide guide column, a push-pull cylinder, an air shaft mounting disc and an air shaft, wherein the power end assembly is arranged on both sides of the upper surface of the positioner base, the power end assembly comprises a rotating power device, a supporting rotary gear and a mounting bracket, the supporting rotary gear is arranged above the rotating power device, the rotating power device and the supporting rotary gear are both arranged on the inner side of the mounting bracket, the fixture mounting disc is arranged on the outer side of the mounting bracket, the supporting disc is arranged between the fixture mounting disc and the mounting bracket, one end of the guiding column passes through the supporting disc and extends out of the supporting rotary gear, the other end of the guiding column is connected to the outer side of the fixture mounting disc, one end of the pushing-pull cylinder is connected to the The cam is fixedly mounted on the support frame, and the cam is secured on a platform with a rotation of the crankshaft and a lever, and the cam is secured on a platform with a rotation of the crankshaft to move relative to the support frame.

[0005] Preferably, the power end assembly is in a back-mounted structure.

[0006] Preferably, four groups of guide posts are provided, and the push-pull cylinders are arranged between the guide posts.

[0007] Preferably, the limiting block comprises a first limiting block and a second limiting block, and the first limiting block and the second limiting block are in an L-shaped structure.

[0008] Preferably, one end of the first limit block is fixed below the outer surface of the supporting disc, and the other end of the first limit block is rotatably connected to the second limit block.

[0009] Preferably, the rotary power device is a positioner.

[0010] Preferably, mounting holes are provided on the lower side of the positioner base, and there are multiple groups of mounting holes.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The present invention fixes the welding workpiece in the clamping device through the cooperation between the power end component, the clamping device, the supporting disc, the clamp mounting disc, the guide column, the push-pull cylinder, the air shaft mounting disc and the air shaft, so that the size of the standard section after welding can be accurate. At the same time, the clamp has a flipping function. During the welding process, it can be flipped at any time to put the welding position in the best welding state. In addition to reducing labor intensity, it is easier to ensure product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The overall structure diagram of the fixture;

[0014] Figure 2 is the first internal structure diagram of the fixture;

[0015] Figure 3 This is the second internal structure diagram of the fixture.

[0016] In the figure: 1-welding workpiece; 2-positioner base; 3-power end assembly; 4-clamping device; 5-support disc; 6-clamp mounting disc; 7-guide guide column; 8-push-pull cylinder; 9-pneumatic shaft mounting disc; 10-pneumatic shaft; 11-limiting block; 21-mounting hole; 31-rotating power device; 32-supporting rotary gear; 33-mounting bracket; 41-forming V-block; 42-tensioning mold positioning column; 43-limiting frame; 44-clamping handle; 111-first limiting block; 112-second limiting block. 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 2 and Figure 3The present invention provides a technical solution: a new type of fixture for welding standard sections of construction machinery, characterized in that it includes a welding workpiece 1, a positioner base 2, a power end assembly 3, a clamping device 4, a supporting disc 5, a fixture mounting disc 6, a guide column 7, a push-pull cylinder 8, an air shaft mounting disc 9, an air shaft 10 and a limit block 11. The lower side of the positioner base 2 is provided with a mounting hole 21, and the mounting hole 21 is provided with multiple groups. The power end assembly 3 is arranged on both sides of the upper surface of the positioner base 2, and the power end assembly 3 is a back-to-back mounting structure. The power end assembly 3 includes a rotating power device 31, a supporting rotary gear 32 and a mounting bracket 33, and the rotating power device 31 is a positioner, a supporting rotary gear 32 is arranged above the rotary power device 31, the rotary power device 31 and the supporting rotary gear 32 are both arranged on the inner side of the mounting bracket 33, the fixture mounting plate 6 is arranged on the outer side of the mounting bracket 33, the supporting disc 5 is arranged between the fixture mounting plate 6 and the mounting bracket 33, one end of the guide post 7 passes through the supporting disc 5 and extends out of the supporting rotary gear 32, the other end of the guide post 7 is connected to the outer side of the fixture mounting plate 6, the guide post 7 is provided with four groups, the push-pull cylinder 8 is arranged between the guide posts 7, one end of the push-pull cylinder 8 is connected to the outer side of the fixture mounting plate 6, the other side of the push-pull cylinder 8 extends out of the supporting rotary gear 32, the fixture mounting plate 6 is provided with an inflatable shaft mounting plate 9, and the inflatable shaft 10 is evenly arranged on the outer surface of the inflatable shaft mounting plate 9. One end of the limit block 11 is fixedly arranged below the outer surface of the support disc 5, and the other end of the limit block 11 is rotatably arranged below the outer surface of the inflatable shaft mounting plate 9. The limit block 11 includes a first limit block 111 and a second limit block 112. The first limit block 111 and the second limit block 112 are L-shaped structures. One end of the first limit block 111 is fixed below the outer surface of the support disc 5, and the other end of the first limit block 111 is rotatably connected to the second limit block 112. The clamping device 4 is arranged above the positioner base 2, and the clamping device 4 is arranged between the power end assembly 3. The tightening device 4 includes a shaping V-shaped block 41, a tensioning die positioning column 42, a limit frame 43 and a clamping handle 44. The tensioning die positioning column 42 is provided with multiple groups. Both ends of the tensioning die positioning column 42 pass through the shaping V-shaped block 41 and are fixedly connected to the inner side of the support disc 5. The limit frame 43 is arranged above the shaping V-shaped block 41. The welding workpiece 1 is arranged between the limit frame 43 and the shaping V-shaped block 41. The clamping handle 44 is screwed and connected to the top of the limit frame 43 to fix the welding workpiece 1 in the clamping device 4. The size of the standard section completed by welding can be accurate. At the same time, the clamp has a flipping function. During the welding process, it can be flipped at any time to make the welding position in the best welding state.

[0019] How to use

[0020] The welding workpiece 1 is manually hoisted onto the fixture, placed between the limiting frame 43 and the shaping V-block 41, and clamped with the clamping handle 44. The column parts to be welded are manually inserted into the guide column 7 position, and the pneumatic shaft 10 and the push-pull cylinder 8 are manually controlled to be positioned and then spot welding is performed; the positioning pneumatic shafts 10 are all installed on the pneumatic shaft mounting plate 9, and the mounting plate can be directly replaced as a whole when welding different products.

[0021] 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. A new type of fixture for welding standard sections of construction machinery, characterized by: The invention comprises a welding workpiece (1), a positioner base (2), a power end assembly (3), a clamping device (4), a supporting disc (5), a fixture mounting disc (6), a guide column (7), a push-pull cylinder (8), an air shaft mounting disc (9), an air shaft (10) and a limit block (11), wherein the power end assembly (3) is arranged on both sides of the upper surface of the positioner base (2), and the power end assembly (3) comprises a rotating power device (31), a supporting rotary gear (32) and a mounting bracket (33), wherein the supporting rotary gear (32) is arranged on the rotating power device (31). At the top, the rotating power device (31) and the supporting rotary gear (32) are both arranged on the inner side of the mounting bracket (33), the clamp mounting plate (6) is arranged on the outer side of the mounting bracket (33), the supporting disc (5) is arranged between the clamp mounting plate (6) and the mounting bracket (33), one end of the guiding column (7) passes through the supporting disc (5) and extends out of the supporting rotary gear (32), the other end of the guiding column (7) is connected to the outer side of the clamp mounting plate (6), one end of the pushing and pulling cylinder (8) is connected to the outer side of the clamp mounting plate (6), and the The other side of the push-pull cylinder (8) extends out of the supporting rotary gear (32), the inner side of the clamp mounting plate (6) is provided with an air shaft mounting plate (9), the air shaft (10) is evenly arranged on the outer surface of the air shaft mounting plate (9), one end of the limit block (11) is fixedly arranged below the outer surface of the supporting disc (5), and the other end of the limit block (11) is rotatably arranged below the outer surface of the air shaft mounting plate (9), the clamping device (4) is arranged above the positioner base (2), the clamping device (4) is arranged between the power end components (3), and the clamping The device (4) comprises a shaping V-shaped block (41), a tensioning die positioning column (42), a limiting frame (43) and a clamping handle (44), wherein the tensioning die positioning column (42) is provided with a plurality of groups, and both ends of the tensioning die positioning column (42) pass through the shaping V-shaped block (41) and are fixedly connected to the inner side of the supporting disc (5), the limiting frame (43) is arranged above the shaping V-shaped block (41), the welding workpiece (1) is arranged between the limiting frame (43) and the shaping V-shaped block (41), and the clamping handle (44) is screwed to the top of the limiting frame (43); The power end assembly (3) is in a back-mounted structure; The guide pillars (7) are provided in four groups, and the push-pull cylinders (8) are provided between the guide pillars (7); The limiting block (11) comprises a first limiting block (111) and a second limiting block (112), wherein the first limiting block (111) and the second limiting block (112) are in an L-shaped structure; One end of the first limiting block (111) is fixed below the outer surface of the supporting disc (5), and the other end of the first limiting block (111) is rotatably connected to the second limiting block (112).

2. According to claim 1, a new type of fixture for welding standard sections of construction machinery is characterized by: The rotary power device (31) is a positioner.

3. According to claim 1, a new type of fixture for welding standard sections of construction machinery is characterized by: The lower side of the positioner base (2) is provided with mounting holes (21), and the mounting holes (21) are provided in multiple groups.

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