CN214641209U - Automatic grounding device of CO2 welding machine - Google Patents

Abstract

The utility model relates to the field of welding technique, and an automatic earthing device of CO2 welding machine is disclosed, which comprises a vehicle rack, the sliding tray has been seted up in the left side of frame, the inside sliding connection of sliding tray has the sliding block, the rear side fixedly connected with second spring of sliding block, the rear end fixed connection of second spring is in the inside of sliding tray, the left side of sliding block is provided with splint, the downside of splint is rotated and is connected with the earth connection. This automatic earthing device of CO2 welding machine, upper end through rotating splint, and then because the spring action of second spring for splint are pushing up the sliding block forward motion all the time, and then the guarantee carries out the centre gripping to the not circular roller of equidimension fixed, and such mode has ensured the fixed effect between circle roller and the earth connection, has avoided earth connection and circle roller to drop and has produced safe scheduling problem, has improved the connected mode of earth connection, has strengthened the flexibility that splint carry out the centre gripping to the not circular roller of equidimension.

Description

Automatic grounding device of CO2 welding machine

Technical Field

The utility model relates to the field of welding technique, specifically be an automatic earthing device of CO2 welding machine.

Background

The welding machine is an electric appliance which provides a power supply with certain characteristics for welding, and the welding machine is widely applied to various industrial fields such as aerospace, ships, automobiles, containers and the like due to the advantages of flexibility, simplicity, convenience, firmness and reliability and even equal strength with a base metal after welding.

To current most CO2 welding machine automatic earthing device, when welding circular rod, because the circle roller need rotate, and then the circle roller leads to the fixed effect of the earth connection on the circle roller not good when rotatory, and then produces the circle roller and takes place to break away from with the earth connection when rotatory, leads to earth connection and circle roller on the one hand to be fixed unstable, and on the other hand leads to personnel to use the welding machine to produce safety scheduling problem when the welding of circle roller.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a CO2 welding machine automatic grounding device, it is fixed to possess the guarantee to carry out the centre gripping to the circular roller of equidimension not, such mode has ensured the fixed effect between circular roller and the earth connection, it produces safe scheduling problem to have avoided earth connection and circular roller to drop, the connected mode of earth connection has been improved, splint have been strengthened and have carried out advantages such as flexibility of centre gripping to the circular roller of equidimension not, it breaks away from to have solved circular roller and earth connection emergence when rotatory, lead to earth connection and circular roller to be fixed unstably on the one hand, on the other hand leads to personnel to use the welding machine to produce safe problem when the circular roller welds.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic earthing device of CO2 welding machine, includes the frame, the sliding tray has been seted up in the left side of frame, the inside sliding connection of sliding tray has the sliding block, the rear side fixedly connected with second spring of sliding block, the rear end fixed connection of second spring is in the inside of sliding tray, the left side of sliding block is provided with splint, the downside of splint is rotated and is connected with the earth connection, the left side of splint is rotated and is connected with the live-rollers, two the first spring of opposite side fixedly connected with of splint, the rear side fixedly connected with auxiliary disc of frame, the inside of auxiliary disc is provided with latch, latch includes the line roller, the front end of line roller rotates the inside of joint at the auxiliary disc, the wire casing has been seted up on the surface of line roller, the shape of wire casing is the screw thread form, the upside of line roller is provided with the dop.

Preferably, the right side of splint is rotated and is connected in the left side of sliding block, the shape of splint is the V word form.

Preferably, the number of the rotating rollers is four, every two of the four rotating rollers form a group, the number of the clamping plates is four, the structures on the four clamping plates are communicated, and every two of the four rotating rollers are respectively formed into a group and are rotatably connected to the left sides of the two clamping plates.

Preferably, the inside fixedly connected with third spring of line roller, the right-hand member fixedly connected with stopper of third spring, the right side of stopper is inlayed and is had the fixture block, the draw-in groove has been seted up to the inboard of auxiliary disc.

Preferably, the fixture block is circular, the clamping groove is semicircular, and the surface of the fixture block is clamped in the clamping groove in a sliding mode.

Preferably, the lower side of the chuck is fixedly connected to the upper side of the wire roller, and the chuck is U-shaped.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic earthing device of CO2 welding machine possesses following beneficial effect:

1. the automatic grounding device of the CO2 welding machine rotates the upper end of the clamping plate, and then the clamping plate always pushes the sliding block to move forwards under the action of the elastic force of the second spring, thereby making the sliding block as an origin, rotating the upper end of the clamping plate backwards, and further placing the welded round rollers on the opposite sides of the four rotating rollers, further, the clamping function of the welded round rollers is finished under the tension of the first spring, so that different welded round rollers can be clamped conveniently, further, the clamping plate drives the sliding block to move back and forth in the sliding groove by extruding the lower side of the clamping plate, and then the guarantee carries out the centre gripping to the not circular roller of equidimension fixed, and such mode has ensured the fixed effect between circle roller and the earth connection, has avoided earth connection and circle roller to drop and has produced safety scheduling problem, has improved the connected mode of earth connection, has strengthened the flexibility that splint carry out the centre gripping to the not circular roller of equidimension.

2. The automatic grounding device of the CO2 welding machine has the advantages that when the wire roller is rotated, in order to ensure that the wire roller does not rotate when not required to rotate, the phenomenon of autorotation between the wire roller and the auxiliary disc is avoided, further, under the action of the elastic force of the third spring, the third spring pushes the limit block to drive the clamping block to enter the clamping groove, thereby completing the clamping and fixing when no manual control is provided between the auxiliary disc and the wire roller, the wire groove is used for ensuring that the connecting wire can be uniformly placed in the wire groove, preventing the problems of uneven winding and knotting of the wire body and the like, and then the thread end is placed inside the clamping head after the thread body is uniformly wound on the surface of the thread roller, and the thread end is clamped inside the clamping head, so that the safety problems of damage and the like caused by falling of the thread end are avoided, such mode has ensured the rotation and the fixed effect of line roller with the auxiliary disc, and the rotation and the fixed of simple nimble control line roller have ensured that the line body can be even winding on the line roller.

Drawings

Fig. 1 is a schematic structural view of an automatic grounding device of a CO2 welding machine according to the present invention;

FIG. 2 is a schematic view of the structure of the splint of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the internal plane structure of the wire roller of the present invention.

In the figure: the device comprises a frame 1, a clamping plate 2, a rotating roller 3, a first spring 4, a sliding groove 5, a second spring 6, a clamping head 7, an auxiliary disc 8, a wire roller 9, a wire groove 10, a grounding wire 11, a sliding block 12, a clamping groove 13, a third spring 14, a clamping block 15 and a limiting block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a new technical solution: an automatic grounding device of a CO2 welding machine comprises a frame 1, wherein a sliding groove 5 is formed in the left side of the frame 1, a sliding block 12 is connected inside the sliding groove 5 in a sliding manner, a second spring 6 is fixedly connected to the rear side of the sliding block 12, the rear end of the second spring 6 is fixedly connected inside the sliding groove 5, a clamping plate 2 is rotatably connected to the left side of the sliding block 12, a grounding wire 11 is rotatably connected to the lower side of the clamping plate 2, the grounding wire 11 is used for enabling the lower end to be in contact with the ground, the safety of the CO2 welding machine is further guaranteed, the clamping plate 2 is in a V-shaped shape, a rotating roller 3 is rotatably connected to the left side of the clamping plate 2, the rotating rollers 3 are four, every two rotating rollers 3 are in one group, the clamping plate 2 are four, the four rotating rollers 3 are respectively in two pairs in one group and rotatably connected to the left sides of the two clamping plates 2, a first spring 4 is fixedly connected to the opposite sides of the two clamping plates 2, by rotating the upper end of clamping plate 2, and further due to the elastic force of second spring 6, clamping plate 2 always moves forward against sliding block 12, and then sliding block 12 is brought to the origin, the upper end of clamping plate 2 is rotated backward, and the welded round rollers are placed on the opposite sides of four rotating rollers 3, further, the clamping action on the welded round rollers is finished under the tension of the first spring 4, so that different welded round rollers can be clamped conveniently, and further, by pressing the lower side of clamping plate 2, clamping plate 2 drives sliding block 12 to move back and forth in sliding groove 5, thereby ensuring that the circular rollers with different sizes are clamped and fixed, further improving the jointing effect of the circular rollers and the rotating roller 3, the circular roller is ensured to be electrically conductive through the rotating rollers 3 and the clamping plates 2, so that the electricity is transmitted to the grounding wire 11, and the fitting degree between the four rotating rollers 3 and the circular roller is improved;

an auxiliary disc 8 is fixedly connected to the rear side of the frame 1, a wire roller 9 is rotatably clamped in the auxiliary disc 8, a third spring 14 is fixedly connected in the wire roller 9, a limiting block 16 is fixedly connected to the right end of the third spring 14, a clamping block 15 is embedded on the right side of the limiting block 16, the clamping block 15 is circular, a clamping groove 13 is formed in the auxiliary disc 8, the clamping groove 13 is semicircular, the surface of the clamping block 15 is in sliding clamping connection in the clamping groove 13, when the wire roller 9 is rotated, in order to ensure that the wire roller 9 does not rotate when the wire roller 9 does not need to rotate, the wire roller 9 does not rotate, the third spring 14 pushes the limiting block 16 to drive the clamping block 15 to enter the clamping groove 13 under the elastic force of the third spring 14, so that the clamping fixation between the auxiliary disc 8 and the wire roller 9 when no manual force is controlled is completed, a wire groove 10 is formed in the surface of the wire roller 9, the shape of wire casing is the screw thread form, the effect of wire casing 10 is in order to ensure that the connecting wire can be even places in the inside of wire casing 10, prevent the inhomogeneous scheduling problem that ties of line body winding, the upside fixedly connected with dop 7 of line roller 9, the shape of dop 7 is the U-shaped, and then through winding the line body after 9 surfaces are even at the line roller, make the end of a thread put in the inside of dop 7, and then with the end of a thread joint in the inside of dop 7, avoid the end of a thread to drop and cause safety problems such as damage.

The working principle is as follows: an automatic grounding device of a CO2 welding machine is characterized in that the upper end of a clamping plate 2 is rotated, and then due to the elastic force action of a second spring 6, the clamping plate 2 always pushes a sliding block 12 to move forwards, so that the sliding block 12 is the original point, the upper end of the clamping plate 2 rotates backwards, and then welded round rollers are placed on the opposite sides of four rotating rollers 3, and further under the pulling force of a first spring 4, the clamping action on the welded round rollers is completed, so that the clamping on different welded round rollers is convenient, and further, the clamping plate 2 drives the sliding block 12 to move forwards and backwards in a sliding groove 5 by extruding the lower side of the clamping plate 2, so that the clamping and fixing on the round rollers with different sizes are guaranteed;

when rotating line roller 9, when not needing to rotate in order to ensure line roller 9, the phenomenon of rotation does not produce between line roller 9 and the auxiliary disc 8, and then through under the spring action at third spring 14, make third spring 14 promote stopper 16 and drive the inside that fixture block 15 got into draw-in groove 13, and then accomplish the joint when nobody controlled power between auxiliary disc 8 and the line roller 9 and fix, the effect of wire casing 10 is in the inside of wire casing 10 in order to ensure that the connecting wire can be even placing, prevent the inhomogeneous knot scheduling problem that twines of the line body, and then through winding the line body after the line roller 9 surface is even, make the line head put in the inside of dop 7, and then with the line head joint in the inside of dop 7, avoid the line head to drop and cause safety problems such as damage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an automatic earthing device of CO2 welding machine, includes frame (1), its characterized in that: the sliding groove (5) is formed in the left side of the frame (1), a sliding block (12) is connected to the inside of the sliding groove (5) in a sliding mode, a second spring (6) is fixedly connected to the rear side of the sliding block (12), the rear end of the second spring (6) is fixedly connected to the inside of the sliding groove (5), a clamping plate (2) is arranged on the left side of the sliding block (12), a grounding wire (11) is rotatably connected to the lower side of the clamping plate (2), a rotating roller (3) is rotatably connected to the left side of the clamping plate (2), a first spring (4) is fixedly connected to the opposite sides of the two clamping plates (2), an auxiliary disc (8) is fixedly connected to the rear side of the frame (1), a clamping device is arranged inside the auxiliary disc (8), the clamping device comprises a wire roller (9), and the front end of the wire roller (9) is rotatably clamped inside the auxiliary disc (8), the wire roller is characterized in that a wire groove (10) is formed in the surface of the wire roller (9), the wire groove (10) is in a threaded shape, and a clamping head (7) is arranged on the upper side of the wire roller (9).

2. The automatic grounding device of the CO2 welding machine according to claim 1, wherein: the right side of splint (2) is rotated and is connected in the left side of sliding block (12), the shape of splint (2) is the V word form.

3. The automatic grounding device of the CO2 welding machine according to claim 1, wherein: the number of the rotating rollers (3) is four, every two of the rotating rollers (3) are in a group, the number of the clamping plates (2) is four, the structures on the clamping plates (2) are communicated, and every two of the four rotating rollers (3) are in a group and are rotatably connected to the left sides of the two clamping plates (2).

4. The automatic grounding device of the CO2 welding machine according to claim 1, wherein: the inside fixedly connected with third spring (14) of line roller (9), the right-hand member fixedly connected with stopper (16) of third spring (14), the right side of stopper (16) is inlayed and is had fixture block (15), draw-in groove (13) have been seted up to the inboard of auxiliary disc (8).

5. The automatic grounding device of the CO2 welding machine according to claim 4, wherein: the clamping block (15) is circular, the clamping groove (13) is semicircular, and the surface of the clamping block (15) is clamped in the clamping groove (13) in a sliding mode.

6. The automatic grounding device of the CO2 welding machine according to claim 1, wherein: the lower side of the clamping head (7) is fixedly connected to the upper side of the wire roller (9), and the clamping head (7) is U-shaped.

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