Automatic feeding device of welding machine

Abstract

The utility model belongs to the technical field of welding machines, and discloses a welding machine automatic feeding device which comprises a supporting frame, a clamping assembly is arranged at the bottom of the supporting frame, a left first-stage bracket and a right first-stage bracket are arranged in the supporting frame, and the top of the clamping assembly is connected with the first-stage brackets. A secondary bracket is arranged on the side, close to the middle of the supporting frame, of the interior of the primary bracket, an upper set of positioning rollers and a lower set of positioning rollers are arranged in the secondary bracket, a feeding roller is arranged on the side face of an inner cavity of the secondary bracket, a power assembly is further arranged in the secondary bracket, and the power assembly is in transmission connection with the feeding roller. Due to the arrangement of the feeding roller and the positioning roller, the purpose of clamping the steel pipes can be achieved under the cooperation of the clamping assembly and the adjusting assembly, meanwhile, advancing of the steel pipes driven by the power assembly is not affected, and therefore the relative stability of the two steel pipes to be welded can be guaranteed while continuous and automatic feeding is conducted; and therefore, the welding precision is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding machines, in particular to an automatic feeding device for welding machines. Background Art

[0002] A welding machine refers to an electrical appliance that provides power with certain characteristics for welding. Welding is widely used in various industrial fields, such as construction, aerospace, shipbuilding and automobile manufacturing, because of its flexibility, simplicity, convenience, firmness and reliability, and the fact that the strength of the welded material is even the same as that of the parent material.

[0003] The usage rate of steel pipes on construction sites is very large, which is accompanied by a large amount of steel pipe cutting and welding work. The construction site is often conducive to the situation of steel pipe welding related structures. However, the steel pipe welding machines currently used on construction sites are mainly loaded manually, which is not only inefficient, but also lacks stability, resulting in reduced welding accuracy. Therefore, they need to be improved. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In order to solve the problems raised in the above background technology, the utility model provides an automatic feeding device for a welding machine, which has the advantage of continuous automatic feeding.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic feeding device for a welding machine, comprising a support frame, a clamping assembly is arranged at the bottom of the support frame, two left and right primary brackets are arranged inside the support frame, the top of the clamping assembly is connected to the primary bracket, a secondary bracket is arranged on one side of the primary bracket near the middle of the support frame, two groups of upper and lower positioning rollers are arranged inside the secondary bracket, a feeding roller is arranged on the side of the inner cavity of the secondary bracket, and a power assembly is also arranged inside the secondary bracket, and the power assembly is drivingly connected to the feeding roller;

[0008] A welding gun adapter frame is arranged in the middle of the support frame, a welding gun is adapted and installed in the middle of the welding gun adapter frame, and the lower end of the welding gun faces directly downward.

[0009] Preferably, the clamping assembly includes a regulating frame welded to the middle part of the support frame, and two left and right sliding grooves are opened on the top of the regulating frame. The internal movable clamp of the sliding groove is connected with a movable block, and the internal thread of the movable block is connected with a screw rod. The two ends of the screw rod pass through the sliding groove and the two movable blocks and extend to the left and right sides of the support frame and are fixedly connected with a rotating wheel.

[0010] Preferably, the two movable blocks are symmetrical relative to the middle of the regulating frame, the two movable blocks correspond one-to-one to the two primary brackets, the top of the movable block passes through the slide slot and extends to the top of the regulating frame and is fixedly connected to the bottom of the primary bracket.

[0011] Preferably, the bottom of the secondary bracket is fixedly mounted on the primary bracket, an adjustment plate is movably mounted on one side of the secondary bracket close to the middle of the support frame, an adjustment assembly is connected to the top of the adjustment plate, a pressure plate is arranged under the adjustment plate, and a buffer spring is connected between the adjustment plates.

[0012] Preferably, the adjustment assembly includes an adjustment rod threadedly sleeved on the top of the secondary bracket, the upper end of the adjustment rod passes through the secondary bracket and is fixedly connected to a knob, the lower end of the adjustment rod is fixedly connected to a connecting shaft, and the connecting shaft is rotatably clamped to the inside of the adjustment plate.

[0013] Preferably, the power assembly includes a connecting channel steel fixedly installed on the bottom of the pressure plate, the connecting channel steel is in contact with the top of the feeding roller, a transmission belt is arranged inside the connecting channel steel, the internal transmission of the transmission belt is connected with two front and rear transmission assemblies, the lower end of the transmission assembly passes through the connecting channel steel and is connected to the feeding roller, a driving motor is installed on the top of the pressure plate, and the lower end of the output shaft of the driving motor extends to the inside of the connecting channel steel and is connected to one of the transmission assemblies.

[0014] Preferably, the transmission assembly includes a pulley arranged inside the connecting channel steel, the bottom of the pulley is fixedly connected to a transmission shaft, the lower end of the transmission shaft passes through the connecting channel steel, and the transmission shaft is movably sleeved inside the connecting channel steel; the inside of the feeding roller is fixedly sleeved with a transmission sleeve, the inside of the transmission sleeve is inserted with a movable rod, and the top of the movable rod is fixedly connected to the transmission shaft; the cross-sections of the inner wall of the transmission sleeve and the outer surface of the movable rod are matching polygons.

[0015] Preferably, a plurality of plug-in pallets which are staggered and welded to the top of the two secondary brackets, the bottom of the plug-in pallets fits with the bottom of the inner cavity of the support frame, and the horizontal plane where the top of the plug-in pallet is located is below the horizontal plane where the top of a group of positioning rollers is located below.

[0016] Preferably, a limiting groove is provided on the back side of the secondary bracket, and a limiting block is slidably engaged inside the limiting groove. One end of the limiting block passes through the limiting groove and extends to the outside of the secondary bracket and is connected to the pressure plate.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] 1. Due to the arrangement of the feeding roller and the positioning roller, the utility model can achieve the purpose of clamping the steel pipe under the cooperation of the clamping component and the adjusting component, and at the same time will not affect the advancement of the steel pipe driven by the power component, so that the relative stability of the two steel pipes to be welded can be ensured while continuously and automatically feeding, thereby further improving the welding accuracy.

[0020] 2. Due to the provision of the welding gun adapter frame, the utility model can facilitate the staff to adjust the height of the welding gun adapted thereon so that it can adapt to the different heights of the steel pipes to be welded below, thereby ensuring the efficiency and effect of automatic loading and continuous automatic welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a side view of the utility model;

[0023] Figure 3 It is a cross-sectional view of the side of the adjusting rod of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the transmission component of the utility model.

[0025] In the figure: 1. support frame; 2. clamping assembly; 21. regulating frame; 22. slide groove; 23. movable block; 24. screw rod; 25. rotating wheel; 3. primary bracket; 4. secondary bracket; 5. power assembly; 51. connecting channel steel; 52. driving motor; 53. transmission belt; 54. transmission assembly; 541. pulley; 542. transmission shaft; 543. transmission sleeve; 544. movable rod; 6. feeding roller; 7. positioning roller; 8. welding gun adapter frame; 9. adjustment assembly; 91. adjustment rod; 92. knob; 93. connecting shaft; 10. adjustment plate; 11. pressure plate; 12. buffer spring; 13. plug-in bracket; 14. limit groove; 15. limit block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figures 1 to 4As shown, the utility model provides an automatic feeding device for a welding machine, comprising a support frame 1, a clamping assembly 2 is arranged at the bottom of the support frame 1, two left and right primary brackets 3 are arranged inside the support frame 1, the top of the clamping assembly 2 is connected to the primary bracket 3, a secondary bracket 4 is arranged on one side of the primary bracket 3 near the middle of the support frame 1, two groups of upper and lower positioning rollers 7 are arranged inside the secondary bracket 4, a feeding roller 6 is arranged on the side of the inner cavity of the secondary bracket 4, and a power assembly 5 is also arranged inside the secondary bracket 4, and the power assembly 5 is drivingly connected to the feeding roller 6;

[0028] Among them, due to the setting of the feeding roller 6 and the positioning roller 7, the purpose of clamping the steel pipe can be achieved under the cooperation of the clamping component 2 and the adjusting component 9, and at the same time, it will not affect the advancement of the steel pipe driven by the power component 5, so that the relative stability of the two steel pipes to be welded can be ensured while continuously and automatically feeding, thereby further improving the welding accuracy;

[0029] A welding gun adapter frame 8 is provided in the middle of the support frame 1, and a welding gun is adapted and installed in the middle of the welding gun adapter frame 8, with the lower end of the welding gun facing directly downward;

[0030] Among them, due to the setting of the welding gun adapter frame 8, the staff can conveniently adjust the height of the welding gun adapted thereon so that it can adapt to the different heights of the steel pipes to be welded below, thereby ensuring the efficiency and effect of automatic loading and continuous automatic welding.

[0031] like Figure 3 As shown, the clamping assembly 2 includes a regulating frame 21 welded to the middle of the support frame 1, and the top of the regulating frame 21 is provided with two left and right slide grooves 22, and the inner movable card of the slide groove 22 is connected with a movable block 23, and the inner thread of the movable block 23 is sleeved with a screw rod 24, and the two ends of the screw rod 24 pass through the slide groove 22 and the two movable blocks 23 and extend to the left and right sides of the support frame 1 and are fixedly connected with a rotating wheel 25;

[0032] Among them, due to the arrangement of the left and right rotating wheels 25, it is convenient for the staff to operate it from either the left or right side, so that the standing angle of the staff during operation is more flexible and convenient.

[0033] like Figure 3 As shown, the two movable blocks 23 are symmetrical relative to the middle part of the regulating frame 21, and the two movable blocks 23 correspond to the two primary brackets 3 one by one. The top of the movable block 23 passes through the slide slot 22 and extends to the top of the regulating frame 21 and is fixedly connected to the bottom of the primary bracket 3; due to the setting of the movable block 23, under the restriction of the slide slot 22, it can be driven by the screw rod 24 to approach or move away from each other, and can drive the two left-right symmetrical primary brackets 3 or secondary brackets 4 to approach or move away from each other, thereby achieving the purpose of clamping the steel pipe, and can also achieve the effect of clamping steel pipes of different specifications.

[0034] like Figure 3 As shown, the bottom of the secondary bracket 4 is fixedly installed on the primary bracket 3, and an adjusting plate 10 is movably installed on one side of the secondary bracket 4 close to the middle of the support frame 1, and the top of the adjusting plate 10 is connected to the adjusting component 9, and a pressure plate 11 is arranged below the adjusting plate 10, and a buffer spring 12 is connected between the adjusting plates 10 and the adjusting plates 10; due to the setting of the buffer spring 12, under the action of the pressure plate 11, the adjusting component 9 can indirectly press down a group of positioning rollers 7 above through the adjusting plate 10, so as to achieve the purpose of pressing the steel pipe, and at the same time, under the action of the elastic force of the buffer spring 12, it can avoid the situation where the steel pipe is deformed due to excessive extrusion caused by direct action.

[0035] like Figure 3 As shown, the adjustment assembly 9 includes an adjustment rod 91 threadedly sleeved on the top of the secondary bracket 4, the upper end of the adjustment rod 91 passes through the secondary bracket 4 and is fixedly connected to a knob 92, and the lower end of the adjustment rod 91 is fixedly connected to a connecting shaft 93, and the connecting shaft 93 is rotatably clamped to the inside of the adjustment plate 10;

[0036] Due to the setting of the connecting shaft 93, it can cooperate with the adjusting rod 91 and the knob 92 to drive the adjusting plate 10 to move up and down, and can ensure that the adjusting plate 10 will not rotate with the adjusting rod 91, thereby ensuring its smooth up and down movement.

[0037] like Figure 2 As shown, the power assembly 5 includes a connecting channel steel 51 fixedly installed at the bottom of the pressure plate 11, the connecting channel steel 51 contacts the top of the feeding roller 6, a transmission belt 53 is arranged inside the connecting channel steel 51, and the internal transmission of the transmission belt 53 is connected with two front and rear transmission assemblies 54, the lower end of the transmission assembly 54 passes through the connecting channel steel 51 and is connected to the feeding roller 6, and a driving motor 52 is installed on the top of the pressure plate 11, and the lower end of the output shaft of the driving motor 52 extends to the inside of the connecting channel steel 51 and is connected to one of the transmission assemblies 54.

[0038] like Figure 4As shown, the transmission assembly 54 includes a pulley 541 disposed inside the connecting channel steel 51, the bottom of the pulley 541 is fixedly connected to a transmission shaft 542, the lower end of the transmission shaft 542 passes through the connecting channel steel 51, and the transmission shaft 542 is movably sleeved inside the connecting channel steel 51; the inside of the feeding roller 6 is fixedly sleeved with a transmission sleeve 543, the inside of the transmission sleeve 543 is plugged with a movable rod 544, and the top of the movable rod 544 is fixedly connected to the transmission shaft 542; the inner wall of the transmission sleeve 543 and the movable rod 54 4 has a cross-section of a matching polygon; due to the setting of the transmission sleeve 543, the feeding roller 6 can be driven to rotate with the cooperation of the movable rod 544, and the polygonal cooperation of the two can ensure that the pulley 541, the transmission shaft 542 and the movable rod 544 move up and down as a whole following the connecting channel steel 51 and the pressing plate 11, so that the upper group of positioning rollers 7 can press the steel pipe, and can ensure that the movable rod 544 can still drive the transmission sleeve 543 to rotate after moving up, thereby driving the feeding roller 6 to rotate.

[0039] like Figure 2 As shown, the top ends of the two secondary brackets 4 are welded with a plurality of plug-in pallets 13 which are staggered with each other, the bottom of the plug-in pallet 13 fits with the bottom of the inner cavity of the support frame 1, and the horizontal plane where the top of the plug-in pallet 13 is located is below the horizontal plane where the top of a group of positioning rollers 7 is located below.

[0040] like Figure 3 As shown, a limiting groove 14 is provided on the back of the secondary bracket 4, and a limiting block 15 is slidably engaged inside the limiting groove 14. One end of the limiting block 15 passes through the limiting groove 14 and extends to the outside of the secondary bracket 4 and is connected to the pressure plate 11.

[0041] The working principle and use process of this utility model:

[0042] Place the two steel pipes to be welded on the top of the positioning roller 7 of the lower group in the left and right secondary brackets 4 respectively, then rotate any one of the left and right rotating wheels 25 to drive the screw rod 24 to rotate, and then make the two movable blocks 23 approach each other under the restriction of the slide slot 22 on the movable block 23, and drive the two secondary brackets 4 to approach each other through the primary bracket 3, and then make the feeding rollers 6 on the left and right sides approach each other until the steel pipes on both sides are clamped, and then rotate the knob 92 to rotate the adjusting rod 91, and then under the restriction of the secondary bracket 4, the lower end of the adjusting rod 91 can drive the adjusting plate 10 to move slowly downward through the connecting shaft 93, and then press the pressing plate 11 downward through the buffer spring 12, and finally make the positioning roller 7 under the pressing plate 11 press the steel pipe;

[0043] At the same time, the front end of the welding gun is installed on the welding gun adapter frame 8, and finally the welding gun is turned on, and the drive motor 52 is turned on at the same time. Since the operation of the drive motor 52 can drive one of the pulleys 541 to rotate through its output shaft, and then the two pulleys 541 are rotated at the same time with the cooperation of the transmission belt 53, the rotation of the pulley 541 can drive the movable rod 544 to rotate through the transmission shaft 542, and the rotation of the movable rod 544 can drive the corresponding feeding roller 6 to rotate through the transmission sleeve 543, thereby achieving the purpose of automatic feeding and continuous welding.

[0044] 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.

[0045] 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 automatic feeding device for a welding machine, comprising a support frame (1), characterized in that: A clamping assembly (2) is arranged at the bottom of the support frame (1), two left and right primary brackets (3) are arranged inside the support frame (1), the top of the clamping assembly (2) is connected to the primary bracket (3), a secondary bracket (4) is arranged on one side of the primary bracket (3) near the middle of the support frame (1), two groups of upper and lower positioning rollers (7) are arranged inside the secondary bracket (4), a feeding roller (6) is arranged on the side of the inner cavity of the secondary bracket (4), and a power assembly (5) is also arranged inside the secondary bracket (4), and the power assembly (5) is connected to the feeding roller (6) in a transmission manner; A welding gun adapter frame (8) is arranged in the middle of the support frame (1), and a welding gun is adapted and installed in the middle of the welding gun adapter frame (8), with the lower end of the welding gun facing directly downward.

2. The automatic feeding device for welding machine according to claim 1, characterized in that: The clamping assembly (2) comprises a regulating frame (21) welded to the middle of the support frame (1), the top of the regulating frame (21) is provided with two left and right sliding grooves (22), the interior of the sliding groove (22) is movably connected with a movable block (23), the interior of the movable block (23) is threadedly sleeved with a screw rod (24), the two ends of the screw rod (24) pass through the sliding groove (22) and the two movable blocks (23) and extend to the left and right sides of the support frame (1) and are fixedly connected with a rotating wheel (25).

3. The automatic feeding device for welding machine according to claim 2, characterized in that: The two movable blocks (23) are symmetrical with respect to the middle of the regulating frame (21), and the two movable blocks (23) correspond to the two primary brackets (3) one by one. The top of the movable block (23) passes through the slide groove (22) and extends to the top of the regulating frame (21) and is fixedly connected to the bottom of the primary bracket (3).

4. The automatic feeding device for welding machine according to claim 1, characterized in that: The bottom of the secondary bracket (4) is fixedly mounted on the primary bracket (3); an adjustment plate (10) is movably mounted on one side of the secondary bracket (4) close to the middle of the support frame (1); an adjustment assembly (9) is connected to the top of the adjustment plate (10); a pressure plate (11) is arranged below the adjustment plate (10); and a buffer spring (12) is connected between the adjustment plates (10).

5. The automatic feeding device for welding machine according to claim 4, characterized in that: The adjustment assembly (9) comprises an adjustment rod (91) threadedly sleeved on the top of the secondary bracket (4); the upper end of the adjustment rod (91) passes through the secondary bracket (4) and is fixedly connected to a knob (92); the lower end of the adjustment rod (91) is fixedly connected to a connecting shaft (93); and the connecting shaft (93) is rotatably clamped inside the adjustment plate (10).

6. The automatic feeding device for welding machine according to claim 4, characterized in that: The power assembly (5) includes a connecting channel steel (51) fixedly mounted on the bottom of the pressing plate (11), the connecting channel steel (51) contacts the top of the feeding roller (6), a transmission belt (53) is arranged inside the connecting channel steel (51), the internal transmission of the transmission belt (53) is connected with two front and rear transmission assemblies (54), the lower end of the transmission assembly (54) passes through the connecting channel steel (51) and is connected to the feeding roller (6), and a driving motor (52) is installed on the top of the pressing plate (11), and the lower end of the output shaft of the driving motor (52) extends to the inside of the connecting channel steel (51) and is connected to one of the transmission assemblies (54).

7. The automatic feeding device for welding machine according to claim 6, characterized in that: The transmission assembly (54) includes a pulley (541) arranged inside the connecting channel steel (51), the bottom of the pulley (541) is fixedly connected to a transmission shaft (542), the lower end of the transmission shaft (542) passes through the connecting channel steel (51), and the transmission shaft (542) is movably sleeved inside the connecting channel steel (51); the interior of the feeding roller (6) is fixedly sleeved with a transmission sleeve (543), the interior of the transmission sleeve (543) is plugged with a movable rod (544), and the top of the movable rod (544) is fixedly connected to the transmission shaft (542); the cross-sections of the inner wall of the transmission sleeve (543) and the outer surface of the movable rod (544) are matching polygons.

8. The automatic feeding device for welding machine according to claim 1, characterized in that: The top ends of the two secondary brackets (4) are welded with a plurality of plug-in brackets (13) that are distributed in an interlaced manner, the bottoms of the plug-in brackets (13) are in contact with the bottom of the inner cavity of the support frame (1), and the horizontal plane where the tops of the plug-in brackets (13) are located is located below the horizontal plane where the tops of a group of positioning rollers (7) are located below.

9. The automatic feeding device for welding machine according to claim 4, characterized in that: A limiting groove (14) is provided on the back of the secondary bracket (4), and a limiting block (15) is slidably engaged inside the limiting groove (14), and one end of the limiting block (15) passes through the limiting groove (14) and extends to the outside of the secondary bracket (4) and is connected to the pressure plate (11).

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