CN113172315B

CN113172315B - Secondary wire fixing device of electric welding machine

Info

Publication number: CN113172315B
Application number: CN202110281987.9A
Authority: CN
Inventors: 郭建锋; 常永攀; 齐文博; 申二亮
Original assignee: Xinxing Ductile Iron Pipes Co Ltd
Current assignee: Xinxing Ductile Iron Pipes Co Ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2022-12-06
Anticipated expiration: 2041-03-16
Also published as: CN113172315A

Abstract

The invention provides a fixing device for a secondary wire of an electric welding machine, belonging to the field of electric welding equipment and comprising a base, a cleaning tool, a connecting seat and a magnet; the base has a first interface for interfacing with the joint of the secondary wire 5; the cleaning tool is detachably connected with the base and is used for cleaning attachments on the surface of the welded object; the connecting seat is detachably connected with the base and is arranged opposite to the cleaning tool, and the connecting seat is provided with a containing groove; the magnet is arranged in the accommodating groove and is used for being adsorbed and fixed with the welded object; the base and the connecting seat are conductive members. According to the fixing device for the secondary wire of the electric welding machine, the base can be adsorbed and fixed on the welded object through the magnet, the connection mode is simple and reliable, and the problem of operation risk improvement caused by connection failure can be effectively avoided; the cleaning tool can clean the adsorption surface of the welded object before adsorption, and the adsorption effect is enhanced.

Description

Secondary wire fixing device of electric welding machine

Technical Field

The invention belongs to the technical field of electric welding equipment, and particularly relates to a fixing device for a secondary wire of an electric welding machine.

Background

The electric welder is a transformer with high power, and the welding material and the welded material on the welding electrode are melted by the high temperature electric arc generated by the instantaneous short circuit of the positive and negative poles, so that the welded object is combined. The electric welding machine uses the electric energy source, convert the electric energy into heat energy in the twinkling of an eye, it is very common to electricity, be fit for working under dry environment, do not need too many requirements, because of small in size, easy operation, high durability, advantages such as welding seam is durable after the welding are widely used in each field, it is practical to the very high finished piece of required strength very much, can be in the twinkling of an eye with the permanent connection of the same kind of metal material (also can be with different kind of metal connection, only welding method is different), the welding seam is after the heat treatment, with the same intensity of parent metal, it is sealed fine, this has solved sealed and problem of intensity for the manufacturing of storage gas and liquid container.

However, in the use process, because the secondary line of the electric welding machine and a welded object have no reliable fixed point, the phenomena of circuit breaking, virtual connection and the like often occur, so that the welding operation is interrupted or the fire is caused due to overheating; in addition, in some high-altitude operations, the secondary line loop is not fixed firmly and falls off, so that the welder cannot work normally, and an operator needs to check the secondary line fixing condition of the welder back and forth, thereby further aggravating the operation risk.

Disclosure of Invention

The invention aims to provide a fixing device for a secondary wire of an electric welding machine, and aims to solve the technical problem that the secondary wire and a welded object are difficult to effectively fix in the prior art.

In order to realize the purpose, the invention adopts the technical scheme that: the utility model provides an electric welding secondary line fixing device, includes:

a base having a first interface that interfaces with a joint of a secondary wire;

the cleaning tool is detachably connected with the base and is used for cleaning attachments on the surface of the welded object;

the connecting seat is detachably connected with the base and is arranged opposite to the cleaning tool, and the connecting seat is provided with an accommodating groove; and

the magnet is arranged in the accommodating groove and is used for being adsorbed and fixed with the welded object;

the base and the connecting seat are conductive members.

As another embodiment of this application, an organic whole is equipped with the butt joint section of thick bamboo on the base, the butt joint section of thick bamboo forms first interface.

As another embodiment of this application, be equipped with on the butt joint section of thick bamboo and can run through the clamping screw of butt joint section of thick bamboo lateral wall, clamping screw is used for pressing from both sides the joint of tight fixed secondary line.

As another embodiment of the present application, the docking barrel is a rectangular barrel, the docking barrel has a first inner wall and a second inner wall which are oppositely arranged, an interval between the first inner wall and the second inner wall is gradually reduced along a preset direction, the preset direction is a direction from one end of the docking barrel departing from the base to one end of the docking barrel facing the base, the docking barrel further has a third inner wall and a fourth inner wall which are oppositely arranged between the first inner wall and the second inner wall, and the third inner wall is parallel to the fourth inner wall;

the butt joint barrel is internally provided with two clamping blocks in a sliding insertion mode, each clamping block is provided with an outer wall capable of being attached to the first inner wall or the second inner wall in a sliding mode and an inner wall capable of clamping a joint of a secondary wire, a clamping space used for clamping the joint of the secondary wire is formed between the two inner walls, and each clamping block is a conductive component.

As another embodiment of this application, the section of clamp splice is the rectangle, the outer wall is the plane, the inner wall is the cambered surface, the clamp splice still have can respectively with the third inner wall with the lateral wall of fourth inner wall sliding fit.

As another embodiment of the present application, the outer wall is inclined to a greater degree than the inner wall with respect to the central axis of the docking barrel.

As another embodiment of this application, the clearance instrument is the flat chisel head, first screw has been seted up on the base, the one end at the flat chisel head is equipped with first connecting screw, first connecting screw with first screw thread fit.

As another embodiment of this application, be equipped with second connecting screw on the base, be equipped with on the connecting seat with second connecting screw complex second screw.

As another embodiment of the present application, the connection socket includes:

a central body in the shape of a disc;

the fan-shaped bodies are arranged in plurality and are uniformly distributed around the axis of the central body, the outer edges of the fan-shaped bodies are folded to form axis clamping pieces perpendicular to the central body, and the accommodating grooves are formed between the clamping pieces and the fan-shaped bodies; and

an elastic expansion member disposed between the sector and the central body, the elastic expansion member configured with a pre-load force that urges the sector toward the central body.

As another embodiment of this application, the elastic expansion piece includes guide bar and extension spring, the one end rigid coupling of guide bar in the quadrant, seted up on the central body with guide bar sliding fit's guiding hole, the extension spring cover is located the guide bar periphery, and both ends respectively with the central body with the quadrant is connected.

The fixing device for the secondary wire of the electric welding machine has the advantages that: compared with the prior art, the electric welding machine secondary wire fixing device has the advantages that the joints of the secondary wires are butted and fixed through the base, the base can be adsorbed and fixed on a welded object through the magnets, the connection mode is simple and reliable, and the problem of operation risk improvement caused by connection failure can be effectively solved; the base and the connecting seat are conductive members, so that the welded object can be effectively and electrically connected with the secondary wire; by arranging the cleaning tool, the adsorption surface of the welded object can be cleaned before adsorption, so that the adsorption reliability is ensured; meanwhile, the cleaning tool and the base, and the connecting seat and the base are detachably connected, so that the cleaning tool is convenient to store and replace in a non-use state, and different parts are convenient to replace; in addition, because the cleaning tool and the connecting seat are arranged oppositely, the space distribution is more reasonable, the structure of the base is smaller and more compact, and the whole structure of the device is compact and convenient to use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an exploded view of a secondary wire fixing device of an electric welding machine according to an embodiment of the present invention;

FIG. 2 is a schematic top view of the cleaning tool and base of FIG. 1;

FIG. 3 is a schematic view of an assembly structure of a base, an abutting cylinder, a clamping block and a secondary line adopted in the second embodiment of the invention;

FIG. 4 is a schematic diagram of an assembly structure of a base, an abutting cylinder, a clamping block and a secondary line adopted in the second embodiment of the invention;

FIG. 5 is a left side view of the base and docking pod of FIG. 3;

FIG. 6 is a left side view of the clamp block of FIG. 3;

FIG. 7 is a schematic view of the clamp block of FIG. 3;

FIG. 8 is a schematic view of an assembly structure of the connecting base and the magnet according to a third embodiment of the present invention;

fig. 9 is a bottom view of the connecting socket of fig. 8.

In the figure: 1. a base; 2. cleaning the tool; 3. a connecting seat; 301. a central body; 302. a sector; 303. a card; 304. a guide bar; 305. a tension spring; 306. a guide hole; 4. a magnet; 5. a secondary line; 6. a first interface; 7. a containing groove; 8. a docking barrel; 801. a first inner wall; 802. a second inner wall; 803. a third inner wall; 804. a fourth inner wall; 9. clamping the screw rod; 10. a clamping block; 1001. an outer wall; 1002. an inner wall; 1003. a side wall; 11. a first screw hole; 12. a first connecting screw; 13. a second connecting screw; 14. and a second screw hole.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

Referring to fig. 1, fig. 2 and fig. 8, the fixing device for the secondary wire of the welding machine according to the present invention will now be described. The electric welding machine secondary wire fixing device comprises a base 1, a cleaning tool 2, a connecting seat 3 and a magnet 4; the base 1 has a first interface 6 for interfacing with a connector of the secondary wire 5; the cleaning tool 2 is detachably connected with the base 1 and is used for cleaning attachments on the surface of the welded object; the connecting seat 3 is detachably connected with the base 1 and is arranged opposite to the cleaning tool 2, and the connecting seat 3 is provided with a containing groove 7; the magnet 4 is arranged in the accommodating groove 7 and is used for being adsorbed and fixed with a welded object; the base 1 and the connecting socket 3 are conductive members.

It should be noted that the joint portion of the secondary wire 5 is a wire core exposed outside the cable insulation layer, i.e. the wire core is the portion with smaller diameter in the secondary wire 5 in fig. 1, 2 and 8.

Compared with the prior art, the electric welding machine secondary wire fixing device has the advantages that the joints of the secondary wire 5 are butted and fixed through the base 1, the base 1 can be adsorbed and fixed on a welded object through the magnet 4, the connection mode is simple and reliable, and the problem of operation risk improvement caused by connection failure can be effectively solved; the base 1 and the connecting seat 3 are conductive members, so that effective conductive connection between a welded object and the secondary wire 5 can be realized; by arranging the cleaning tool 2, the adsorption surface of the welded object, such as a rust layer, an oil gas layer and the like, can be cleaned before adsorption, so that the adsorption reliability is ensured, and the adsorption effect is enhanced; meanwhile, the cleaning tool 2 and the base 1, and the connecting seat 3 and the base 1 are detachably connected, so that the cleaning tool is convenient to store and replace in a non-use state, and different parts are convenient to replace; in addition, because the cleaning tool 2 and the connecting seat 3 are arranged oppositely, the space distribution is more reasonable, the structure of the base 1 is smaller and more compact, and the whole structure of the device is compact and convenient to use.

Optionally, to ensure the reliability of the attraction and the life of the magnet 4, the magnet 4 is a neodymium magnet.

Optionally, connecting seat 3 and magnet 4 are discoid component, and its installation does not have the direction restriction, and the equipment of being convenient for, and the edges and corners is slick and sly simultaneously, is convenient for accomodate.

Referring to fig. 1 to 5, a docking cylinder 8 is integrally disposed on the base 1, and the docking cylinder 8 forms a first interface 6. In order to ensure the conductive connection between the secondary wire 5 and the welded object, the docking cylinder 8 is located on a conductive member made of the same material as the base 1. This embodiment is through setting up a butt joint section of thick bamboo 8, has effectively guaranteed the degree of depth of first interface 6, and then can guarantee the effectual contact of first interface 6 and fix secondary line 5, avoids appearing virtual connecing.

Referring to fig. 1 and 2, in order to ensure effective fixing of the joint of the secondary wire 5, a clamping screw 9 capable of penetrating through the side wall of the butting cylinder 8 is arranged on the butting cylinder 8, and the clamping screw 9 is used for clamping and fixing the joint of the secondary wire 5. The side wall of the butt joint barrel 8 is provided with a screw hole matched with the clamping screw 9, during installation, a joint of the secondary wire 5 is inserted into the butt joint barrel 8, and the joint of the secondary wire 5 can be clamped by screwing the clamping screw 9.

Referring to fig. 3 to 7, the docking cylinder 8 is a rectangular cylinder, the docking cylinder 8 has a first inner wall 801 and a second inner wall 802 that are disposed opposite to each other, a distance between the first inner wall 801 and the second inner wall 802 gradually decreases along a preset direction, the preset direction is a direction from an end of the docking cylinder 8 away from the base to an end of the docking cylinder 1, the docking cylinder 8 further has a third inner wall 803 and a fourth inner wall 804 that are disposed between the first inner wall 801 and the second inner wall 802 and are disposed opposite to each other, and the third inner wall 803 is parallel to the fourth inner wall 804.

Two clamping blocks 10 are slidably inserted in the butting cylinder 8, each clamping block 10 is provided with an outer wall 1001 capable of being attached to the first inner wall 804 or the second inner wall 802 in a sliding manner and an inner wall 1002 capable of clamping a joint of the secondary wire 5, a clamping space for clamping the joint of the secondary wire 5 is formed between the two inner walls 1002, and each clamping block 10 is a conductive member.

Fig. 3 shows the relative positional relationship of the respective parts when not inserted, and fig. 4 shows the relative positional relationship of the respective parts after the clamping block 10 is inserted into position. During assembly, the two clamping blocks 10 clamp the joint part of the secondary wire 5, then the two clamping blocks 10 are inserted into the butting cylinder 8 at the same time, and along with the penetration of the clamping blocks 10, the two clamping blocks 10 gradually approach under the guidance of the first inner wall 801 and the second inner wall 802 and gradually clamp the joint part of the secondary wire 5, and finally clamping and fixing are realized; when the secondary wire 5 needs to be detached, the secondary wire 5 can be taken out simultaneously by pulling out the clamping blocks 10. This embodiment realizes fixed the butt joint of secondary line 5 through bayonet clamping structure, and secondary line 5 is big with clamp splice 10's area of contact, and the electrically conductive effect is better, and its simple structure simultaneously, convenient to use, fixed effect is reliable, the problem of virtual joint can not appear.

Alternatively, not shown, a section of the clamping block 10 is exposed outside the docking barrel 8 after insertion, and a handle structure (such as a pull ring, a hook, etc.) is provided at the exposed section to facilitate the extraction of the clamping block 10.

Referring to fig. 3 to 7, the cross section of the clamping block 10 is rectangular, the outer wall 1001 is a plane, the inner wall 1002 is an arc surface, and the clamping block 10 further has a sidewall 1003 slidably attached to the third inner wall 803 and the fourth inner wall 804, respectively. The section of the clamping block 10 is matched with the section of the butt joint cylinder 8 in shape, so that the clamping block 10 cannot displace or rotate in the direction vertical to the axial direction of the butt joint cylinder 8 in the inserting process, and the assembling efficiency is improved; meanwhile, the cambered inner wall 1002 can be better attached to the joint part of the secondary wire 5, so that the clamping reliability is ensured.

Referring to fig. 7, in order to ensure that the inner wall 1002 can effectively adhere to the core of the joint portion of the secondary wire 5, the inclination degree of the outer wall 1001 with respect to the central axis of the splicing sleeve 8 is greater than the inclination degree of the inner wall 1002 with respect to the central axis of the splicing sleeve 8. An included angle alpha in the drawing is an inclination angle between the inner wall 1002 and a central axis of the butting cylinder 8, and an included angle beta is an inclination angle between the outer wall 1001 and the central axis of the butting cylinder 8, so that in the insertion process, the slightly inclined inner wall 1002 of the clamping block 10 can better adhere to the wire core at the joint part, and the wire core cannot be effectively contacted due to the interval of a cable insulating layer.

Referring to fig. 1 and 2, in order to clean the attachments on the surface of the object to be welded and avoid the influence of other areas except the attachments, the cleaning tool 2 is a chisel bit. In order to facilitate the assembly and disassembly of the cleaning tool 2 and ensure the reliability of the connected structure, the base 1 is provided with a first screw hole 11, one end of the chisel head is provided with a first connecting screw rod 12, and the first connecting screw rod 12 is in threaded fit with the first screw hole 11.

Referring to fig. 1 to 4, a second connecting screw 13 is disposed on the base 1, and a second screw hole 14 matched with the second connecting screw 13 is disposed on the connecting seat 3. The connecting structure of the base 1 and the connecting seat 3 is simple, the assembly and disassembly are convenient, the connection is slight, and the problem that the base 1 falls off due to connection failure cannot occur in the using process.

Referring to fig. 8 and 9, the connecting base 3 includes a central body 301, a sector 302 and an elastic expansion member; the central body 301 is disc-shaped; a plurality of segments 302 are arranged and evenly distributed around the axis of the central body 301, the outer edge of each segment 302 is turned over to form an axis clamping sheet 303 perpendicular to the central body 301, and a containing groove 7 is formed between each clamping sheet 303 and each segment 302; elastic expansion elements are provided between the segments 302 and the central body 301, the elastic expansion elements being arranged with a pretension force bringing the segments 302 closer to the central body 301.

By adjusting the distance between the sector 302 and the central body 301, the accommodating groove 7 can adapt to the magnets 4 with different sizes, and the sector 302 can be kept in a clamping state through the pretightening force provided by the elastic expansion piece, so that the magnets 4 are prevented from falling off. This embodiment simple structure, convenient to use, the not unidimensional magnet 4 of replacement that can be convenient improves and uses the flexibility.

Referring to fig. 8 and 9, the elastic expansion element includes a guide rod 304 and a tension spring 305, one end of the guide rod 304 is fixedly connected to the sector 302, the central body 301 is provided with a guide hole 306 in sliding fit with the guide rod 304, the tension spring 305 is sleeved on the periphery of the guide rod 304, and two ends of the tension spring are respectively connected to the central body 301 and the sector 302. In the embodiment, the elastic expansion piece has a single expansion direction, does not deviate, and has good use reliability and stability; at the same time, by adapting the tension spring 305 with a suitable stiffness, an effective clamping of the magnet 4 can be ensured.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Electric welding secondary line fixing device, its characterized in that includes:

the base and the connecting seat are conductive components;

the base is integrally provided with a butting cylinder, and the butting cylinder forms the first interface;

the butt joint barrel is a rectangular barrel and is provided with a first inner wall and a second inner wall which are oppositely arranged, the distance between the first inner wall and the second inner wall is gradually reduced along a preset direction, the preset direction is the direction from one end of the butt joint barrel, which is far away from the base, to one end of the butt joint barrel, which is towards the base, the butt joint barrel is also provided with a third inner wall and a fourth inner wall which are oppositely arranged and are positioned between the first inner wall and the second inner wall, and the third inner wall is parallel to the fourth inner wall;

2. The secondary wire fixing device for electric welding machine as claimed in claim 1, wherein the butt joint cylinder is provided with a clamping screw capable of penetrating through the side wall of the butt joint cylinder, the clamping screw being used for clamping a joint for fixing the secondary wire.

3. The secondary wire fixing device for the electric welding machine as claimed in claim 1, wherein the cross section of the clamping block is rectangular, the outer wall is a plane, the inner wall is an arc surface, and the clamping block further has side walls which are slidably attached to the third inner wall and the fourth inner wall, respectively.

4. The secondary wire fixing device for a welding bug as claimed in claim 3 wherein the outer wall is inclined to a greater extent than the inner wall relative to the axis of the docking drum.

5. The secondary wire fixing device for the electric welding machine as claimed in claim 1, wherein the cleaning tool is a chisel head, the base is provided with a first screw hole, one end of the chisel head is provided with a first connecting screw rod, and the first connecting screw rod is in threaded fit with the first screw hole.

6. The secondary wire fixing device for the electric welding machine as claimed in claim 1, wherein a second connecting screw is provided on the base, and a second screw hole engaged with the second connecting screw is provided on the connecting seat.

7. The secondary wire fixing device for electric welding machine as claimed in claim 1, wherein said connecting seat comprises:

a central body in the shape of a disc;

the fan-shaped bodies are arranged in a plurality and are uniformly distributed around the axis of the central body, the outer edges of the fan-shaped bodies are folded to form axis clamping pieces perpendicular to the central body, and the containing grooves are formed between the clamping pieces and the fan-shaped bodies; and

8. The fixing device for the secondary wire of the electric welding machine as claimed in claim 7, wherein the elastic expansion member comprises a guide rod and a tension spring, one end of the guide rod is fixedly connected to the sector, the central body is provided with a guide hole in sliding fit with the guide rod, the tension spring is sleeved on the periphery of the guide rod, and two ends of the tension spring are respectively connected with the central body and the sector.