CN222002359U

CN222002359U - Positioning mechanism for welding machine

Info

Publication number: CN222002359U
Application number: CN202420264230.8U
Authority: CN
Inventors: 陆森
Original assignee: Wuxi Lusheng Intelligent Equipment Co ltd
Current assignee: Wuxi Lusheng Intelligent Equipment Co ltd
Priority date: 2024-02-03
Filing date: 2024-02-03
Publication date: 2024-11-15
Anticipated expiration: 2034-02-03

Abstract

The utility model relates to the technical field of welding machines, and discloses a positioning mechanism for a welding machine, which solves the problem of unstable clamping of a workpiece at present and comprises a processing table, wherein a clamping mechanism is arranged on the processing table, a driving mechanism is arranged on the clamping mechanism, a through groove is formed in the middle of the processing table, the clamping mechanism comprises an inner rod fixed in the through groove, and two inner blocks are symmetrically and movably sleeved on the outer side of the inner rod; according to the utility model, through the matching between the inner blocks and the inner rods and between the clamping frame I and the clamping frame II, when the two inner blocks slide, the two groups of clamping rollers are convenient to be mutually close to limit the workpiece in the left-right direction, through the matching between the screw rod and the screw sleeve and between the connecting columns, the movable blocks slide along the side rods, and through the matching between the movable rods and the guide blocks and between the guide rods and the L-shaped plates, the two clamping plates are convenient to mutually close to clamp the workpiece in the front-rear direction, so that the workpiece is convenient to be stably clamped.

Description

Positioning mechanism for welding machine

Technical Field

The utility model belongs to the technical field of welding machines, and particularly relates to a positioning mechanism for a welding machine.

Background

The welding machine has various types, and has single-point single function, single-point double function and single-point multiple function; the welding functions and the working efficiencies of two-point, three-point, four-point, even six-point spot welders, four-angle welders and the like are also different, and the automatic welder is one of welders and needs to position the workpiece before the workpiece is welded by the existing automatic welder; according to the authorized bulletin number: CN211680728U, entitled "a rotary positioning mechanism for automatic welding machine", by providing a fixing mechanism, by rotating a second rotating handle, the second rotating handle drives a transmission shaft to rotate, the transmission shaft drives two threaded sleeves to rotate, the two threaded sleeves drive two threaded rods to move, the two threaded rods drive two clamping plates to move, so that a workpiece placed on a positioning plate can be clamped and fixed, and the operation is simple and convenient; the following drawbacks still remain:

Although the workpiece can be clamped by the two clamping plates, the workpiece can be limited only in the left-right direction in the mode, and the workpiece is easily deviated in the front-back direction, so that the workpiece is not clamped stably.

Disclosure of utility model

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the positioning mechanism for the welding machine, which effectively solves the problem of unstable workpiece clamping at present.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the positioning mechanism for the welding machine comprises a processing table, wherein a clamping mechanism is arranged on the processing table, a driving mechanism is arranged on the clamping mechanism, and a through groove is formed in the middle of the processing table;

The clamping mechanism comprises an inner rod fixed in a through groove, two inner blocks are movably sleeved on the outer side of the inner rod in a symmetrical mode, a clamping frame I and a clamping frame II are fixedly installed at the tops of the two inner blocks respectively, two supporting wheels are symmetrically arranged at the bottoms of the clamping frame I and the clamping frame II, each supporting wheel is located at the top of a processing table, clamping rollers are rotatably connected with the clamping frame I and the clamping frame II at equal distances, guide rods are fixedly installed on the outer side of the clamping frame II, two guide blocks are movably sleeved on the outer side of the guide rods in a symmetrical mode, sliding grooves are formed in the outer side of the clamping frame II, sliding blocks are fixedly installed on one sides of the two guide blocks close to the clamping frame II, sliding grooves are fixedly connected with the two sliding blocks, L-shaped plates are fixedly installed on one sides of the two guide blocks, and clamping plates are fixedly installed on the two L-shaped plates.

Preferably, the outside fixed mounting of centre gripping frame two has the fixed block, and the fixed block is fixed to be cup jointed in the outside middle part of guide bar, and one side fixed mounting that the centre gripping frame two was kept away from to the fixed block has the side lever, and the one end fixed mounting that the fixed block was kept away from to the side lever has the side piece, and the outside activity of side lever has cup jointed the movable block, and the outside symmetry rotation of movable block is connected with two movable bars, and the one end that the movable block was kept away from to two movable bars rotates with two guide bars respectively to be connected.

Preferably, one side of the fixed block far away from the clamping frame II is rotationally connected with a screw rod, the screw rod is positioned above the side rod, the screw rod and the side rod are arranged in parallel, one end of the screw rod far away from the fixed block is fixedly provided with a rotary table, the outer side thread of the screw rod is sleeved with a threaded sleeve, and a connecting column is fixedly connected between the threaded sleeve and the movable block.

Preferably, the driving mechanism comprises a U-shaped frame fixed at the bottom of the processing table, the U-shaped frame is rotationally connected with a bidirectional screw rod, two nuts are sleeved on the outer side symmetrical threads of the bidirectional screw rod, supporting columns are fixedly installed at the tops of the two nuts, and the top ends of the two supporting columns are respectively fixed at the bottoms of the two inner blocks.

Preferably, a U-shaped rod is fixedly arranged on the U-shaped frame, a toothed plate is movably sleeved on the outer side of the U-shaped rod, a gear is fixedly arranged on the outer side of the bidirectional screw rod, and the gear is meshed with the toothed plate.

Preferably, the outside of U type pole has fixedly cup jointed the cover piece, and the outside fixed mounting of cover piece has the cylinder, and the one end fixed mounting that the cover piece was kept away from to the cylinder has the bottom block, and the bottom block is fixed in the bottom of pinion rack.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, through the matching between the inner blocks and the inner rods and between the clamping frame I and the clamping frame II, when the two inner blocks slide, the two groups of clamping rollers are convenient to mutually approach to limit the workpiece in the left-right direction, and through the matching between the screw rod and the screw sleeve and the connecting column, the movable blocks slide along the side rods, and through the matching between the movable rods and the guide blocks and between the guide rods and the L-shaped plates, the two clamping plates are convenient to mutually approach to clamp the workpiece in the front-rear direction, so that the workpiece is convenient to stably clamp;

(2) This is novel through the cooperation between cylinder and the bottom block, the pinion rack of being convenient for is along U type pole horizontal slip to through the cooperation between pinion rack and the gear, the bi-directional lead screw of being convenient for rotates, and through the cooperation between nut and support column and interior piece and the interior pole, the two interior pieces of being convenient for all slide along the interior pole, thereby the removal of two sets of grip rolls of being convenient for.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a positioning mechanism for a welding machine according to the present utility model;

FIG. 2 is a schematic view of a clamping mechanism according to the present utility model;

FIG. 3 is a schematic view of a second embodiment of a clamping frame according to the present utility model;

FIG. 4 is a schematic diagram of a driving mechanism according to the present utility model;

In the figure: 1. a processing table; 2. a clamping mechanism; 201. an inner rod; 202. clamping a first frame; 203. a clamping frame II; 204. an inner block; 205. a grip roll; 206. a support wheel; 207. an L-shaped plate; 208. a chute; 209. a screw; 2010. a turntable; 2011. a side block; 2012. a side bar; 2013. a movable block; 2014. a guide rod; 2015. a guide block; 2016. a slide block; 2017. a fixed block; 2018. a connecting column; 2019. a screw sleeve; 2020. a movable rod; 2021. a clamping plate; 3. a driving mechanism; 301. a U-shaped frame; 302. a nut; 303. a bottom block; 304. a cylinder; 305. a U-shaped rod; 306. sleeving blocks; 307. a two-way screw rod; 308. a support column; 309. a gear; 3010. a toothed plate; 4. and (5) through grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the first embodiment, as shown in fig. 1, the utility model comprises a processing table 1, a clamping mechanism 2 is arranged on the processing table 1, a driving mechanism 3 is arranged on the clamping mechanism 2, and a through groove 4 is arranged in the middle of the processing table 1.

Specifically, as shown in fig. 2-3, the clamping mechanism 2 comprises an inner rod 201 fixed in a through groove 4, two inner blocks 204 are symmetrically and movably sleeved on the outer side of the inner rod 201, a clamping frame I202 and a clamping frame II 203 are respectively and fixedly installed on the tops of the two inner blocks 204, two supporting wheels 206 are symmetrically arranged on the bottoms of the clamping frame I202 and the clamping frame II 203, each supporting wheel 206 is positioned on the top of the processing table 1, clamping rollers 205 are rotationally connected in the clamping frame I202 and the clamping frame II 203 at equal distances, a guide rod 2014 is fixedly installed on the outer side of the clamping frame II 203, two guide blocks 2015 are symmetrically and movably sleeved on the outer side of the guide rod 2014, a sliding groove 208 is arranged on the outer side of the clamping frame II 203, sliding blocks 2016 are fixedly installed on one sides of the two guide blocks 2015 close to the clamping frame II 203, L-shaped plates 207 are fixedly installed on one sides of the two guide blocks 2016 which are mutually far away, clamping plates 2021 are fixedly mounted on the two L-shaped plates 207, a fixed block 2017 is fixedly mounted on the outer side of the clamping frame II 203, the fixed block 2017 is fixedly sleeved on the middle of the outer side of a guide rod 2014, a side rod 2012 is fixedly mounted on one side of the fixed block 2017, which is far away from the clamping frame II 203, a side block 2011 is fixedly mounted on one end of the side rod 2012, a movable block 2013 is movably sleeved on the outer side of the side rod 2012, two movable rods 2020 are symmetrically and rotatably connected to the outer side of the movable block 2013, one ends of the two movable rods 2020, which are far away from the movable block 2013, are respectively and rotatably connected with the two guide blocks 2015, a screw 209 is rotatably connected to one side of the fixed block 2017, which is far away from the clamping frame II 203, the screw 209 is positioned above the side rod 2012, the screw rod 209 is arranged in parallel with the side rod 2012, a turntable 2010 is fixedly mounted on one end of the screw rod 209, a screw sleeve 2019 is sleeved on the outer side thread of the screw rod 209, a connecting column 2018 is fixedly connected between the screw sleeve 2019 and the movable block 2013;

In the use state, firstly, the workpiece is placed at the top of the processing table 1, the workpiece is located between two groups of clamping rollers 205, the workpiece is located between two clamping plates 2021, then two inner blocks 204 slide along the inner rods 201, the clamping frame I202 and the clamping frame II 203 are driven to move and approach each other until the two groups of clamping rollers 205 clamp the workpiece, limiting on the left and right directions of the workpiece is achieved, then the rotary disk 2010 is rotated, the screw 209 is driven to rotate, the movable block 2013 is driven to slide along the side rods 2012 through the threaded sleeve 2019 and the connecting column 2018, the two guide blocks 2015 are driven to slide along the guide rods 2012 through the two movable rods 2020, and as the two sliding blocks 2016 are in sliding connection with the sliding grooves 208, stable movement of the two guide blocks 2015 is guaranteed, the two clamping plates 2021 are driven to move through the two L-shaped plates 207 until the workpiece is clamped, limiting on the front and rear directions of the workpiece is achieved, and finally stable clamping of the workpiece is achieved.

Specifically, as shown in fig. 4, the driving mechanism 3 includes a U-shaped frame 301 fixed at the bottom of the processing table 1, a bidirectional screw rod 307 is rotatably connected to the U-shaped frame 301, two nuts 302 are symmetrically screwed on the outer side of the bidirectional screw rod 307, supporting columns 308 are fixedly installed on the tops of the two nuts 302, the top ends of the two supporting columns 308 are respectively fixed at the bottoms of the two inner blocks 204, a U-shaped rod 305 is fixedly installed on the U-shaped frame 301, a toothed plate 3010 is movably sleeved on the outer side of the U-shaped rod 305, a gear 309 is fixedly installed on the outer side of the bidirectional screw rod 307, the gear 309 is meshed with the toothed plate 3010, a sleeve block 306 is fixedly sleeved on the outer side of the U-shaped rod 305, an air cylinder 304 is fixedly installed on the outer side of the sleeve block 306, a bottom block 303 is fixedly installed on one end of the air cylinder 304 away from the sleeve block 306, and the bottom block 303 is fixedly installed on the bottom of the toothed plate 3010;

In the use state, firstly, the air cylinder 304 is started to drive the bottom block 303 to move, meanwhile, the toothed plate 3010 horizontally slides along the U-shaped rod 305, and as the toothed plate 3010 is meshed with the gear 309 and drives the bidirectional screw rod 307 to rotate, the sliding of the inner block 204 is realized through the screw 302 and the supporting column 308, and finally, the clamping roller 205 is convenient to move to clamp and position a workpiece.

Claims

1. The utility model provides a positioning mechanism for welding machine, includes processing platform (1), its characterized in that: the machining table (1) is provided with a clamping mechanism (2), the clamping mechanism (2) is provided with a driving mechanism (3), and the middle part of the machining table (1) is provided with a through groove (4);

Clamping mechanism (2) including being fixed in interior pole (201) in logical groove (4), two interior piece (204) have been cup jointed in the outside symmetry activity of interior pole (201), the top of two interior pieces (204) is fixed mounting respectively has centre gripping frame one (202) and centre gripping frame two (203), the bottom of centre gripping frame one (202) and centre gripping frame two (203) is all equipped with two supporting wheels (206) symmetrically, each supporting wheel (206) all is located the top of processing platform (1), equal distance rotation is connected with clamping roller (205) in centre gripping frame one (202) and the centre gripping frame two (203), outside fixed mounting of centre gripping frame two (203) has guide bar (2014), the outside symmetry activity of guide bar (2014) cup joints two guide blocks (2015), the outside of centre gripping frame two (203) is equipped with spout (2016), one side that two guide blocks (2015) are close to centre gripping frame two (203) is all fixed mounting has slider (2016), two slider (208) sliding connection, one side that two guide blocks (202) kept away from each other have two template L (2015) fixed mounting on two template L (2015) respectively.

2. The positioning mechanism for a welding machine according to claim 1, wherein: the clamping frame is characterized in that a fixed block (2017) is fixedly arranged on the outer side of the clamping frame II (203), the fixed block (2017) is fixedly sleeved at the middle part of the outer side of a guide rod (2014), a side rod (2012) is fixedly arranged on one side, far away from the clamping frame II (203), of the fixed block (2017), a side block (2011) is fixedly arranged on one end, far away from the fixed block (2017), of the side rod (2012), a movable block (2013) is movably sleeved on the outer side of the side rod (2012), two movable rods (2020) are symmetrically and rotatably connected on the outer side of the movable block (2013), and one ends, far away from the movable blocks (2013), of the two movable rods (2020) are respectively and rotatably connected with the two guide rods (2015).

3. The positioning mechanism for a welding machine according to claim 2, wherein: one side that clamping frame two (203) was kept away from to fixed block (2017) rotates and is connected with screw rod (209), and screw rod (209) are located the top of side lever (2012), and screw rod (209) and side lever (2012) parallel arrangement each other, and one end fixed mounting who keeps away from fixed block (2017) screw rod (209) has carousel (2010), and swivel nut (2019) have been cup jointed to the outside screw thread of screw rod (209), fixedly connected with spliced pole (2018) between swivel nut (2019) and movable block (2013).

4. The positioning mechanism for a welding machine according to claim 1, wherein: the driving mechanism (3) comprises a U-shaped frame (301) fixed at the bottom of the processing table (1), the U-shaped frame (301) is rotationally connected with a bidirectional screw rod (307), two nuts (302) are symmetrically sleeved on the outer side of the bidirectional screw rod (307) in a threaded manner, supporting columns (308) are fixedly arranged at the tops of the two nuts (302), and the tops of the two supporting columns (308) are respectively fixed at the bottoms of the two inner blocks (204).

5. The positioning mechanism for a welding machine according to claim 4, wherein: the U-shaped frame (301) is fixedly provided with a U-shaped rod (305), the outer side of the U-shaped rod (305) is movably sleeved with a toothed plate (3010), the outer side of the bidirectional screw rod (307) is fixedly provided with a gear (309), and the gear (309) is meshed with the toothed plate (3010).

6. The positioning mechanism for a welding machine according to claim 5, wherein: the outside of U type pole (305) is fixed to be cup jointed cover piece (306), and the outside fixed mounting of cover piece (306) has cylinder (304), and one end fixed mounting that sleeve piece (306) were kept away from to cylinder (304) has bottom piece (303), and bottom piece (303) are fixed in the bottom of pinion rack (3010).