CN112935489B

CN112935489B - Electric welding machine

Info

Publication number: CN112935489B
Application number: CN202110135552.3A
Authority: CN
Inventors: 陈洲
Original assignee: Jingmen Bozhong Machining Co ltd
Current assignee: Jingmen Bozhong Machining Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2022-12-13
Anticipated expiration: 2041-02-01
Also published as: CN112935489A

Abstract

The utility model provides an electric welding machine, which comprises a supporting column, a workbench, work piece fixture and soldered connection, the last welding rod fixture of soldered connection includes two corresponding clamp splices, the opposite side correspondence of two clamp splices is provided with the welding rod mounting groove, the clamp splice includes the upper substrate, lower base member and extrusion propelling movement structure, the cavity of clamp splice is formed by the cavity amalgamation of upper substrate and lower base member, extrusion propelling movement structure includes slider and o shape elastic component, the slider includes the cross-member spare, outer picture peg, interior picture peg and lower picture peg, vertical being provided with in the cavity of clamp splice respectively with outer picture peg, the corresponding slit form cavity of interior picture peg and lower picture peg, be provided with vertical compression spring between outer picture peg and the interior picture peg, the cross-member downside, the o shape elastic component is being settled in the region that the picture peg outside and lower base member upside enclose down. This electric welding has set up one kind and can carry out the clamping structure of centre gripping to the welding rod flexibly, and this clamping structure comprises elastic component and slider, can carry out firm centre gripping to the welding rod of different specifications.

Description

Electric welding machine

Technical Field

The invention relates to an electric welding machine, and belongs to the technical field of electric welding machines.

Background

The electric welder is characterized in that high-temperature electric arcs generated by instantaneous short circuit of positive and negative poles are used for melting welding flux and a welded material on an electric welding rod to combine the welded material with a contacted object, and the electric welder is widely applied to the field of mechanical production and manufacturing due to the characteristic. The existing welding machines are various in types, and are improved by a plurality of technical personnel, but the defects exist, for example, the welding rod clamping of the existing welding machines has a large problem, the existing welding rod clamping directly adopts the hard clamping blocks to clamp, and the gap between the two hard clamping blocks and the force control and regulation are difficult, so that the defects exist.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a novel electric welding machine, which is provided with a clamping structure capable of flexibly clamping welding rods, wherein the clamping structure consists of an elastic piece and a sliding piece, has good sealing performance, can firmly clamp the welding rods with different specifications, can effectively prevent external dust from entering and damaging the internal structure of the welding rod, and has outstanding practicability.

The technical purpose of the invention is realized by the following technical scheme: an electric welding machine comprises a support column, a workbench, a workpiece clamping mechanism and a welding head, wherein the workpiece clamping mechanism and the welding head are arranged on the workbench; the welding rod clamping mechanism on the welding head comprises two corresponding clamping blocks, welding rod placing grooves are correspondingly formed in opposite sides of the two clamping blocks, each clamping block comprises an upper base body, a lower base body and an extrusion pushing structure arranged in a clamping block cavity, the cavity of each clamping block is formed by splicing the upper base body and the cavity of the lower base body, side openings of the cavity of each clamping block and the welding rod placing grooves are arranged on the same side, each extrusion pushing structure comprises a sliding part and an o-shaped elastic part, each sliding part comprises a transverse connecting part, an outer inserting plate, an inner inserting plate and a lower inserting plate, the outer inserting plate, the inner inserting plate and the lower inserting plate are arranged on the upper side of the transverse connecting part in parallel, a fine slit-shaped cavity corresponding to the outer inserting plate, the inner inserting plate and the lower inserting plate respectively is vertically arranged in the cavity of each clamping block, a vertical compression spring is arranged between the outer inserting plate and the inner inserting plate, the o-shaped elastic parts are arranged in an area defined by the lower side of the transverse connecting part, the outer side of the lower inserting plate and the upper side of the lower base body, the o-shaped elastic parts are located in the side openings of the clamping blocks, and when the vertical compression springs are in the longest state, the outer surfaces of the o-shaped elastic parts are higher than the groove.

Through adopting above-mentioned technical scheme, an electric welding is provided, but this electric welding has set up one kind and has carried out the clamping structure of centre gripping to the welding rod flexibly, and this clamping structure comprises elastic component and slider, can carry out firm centre gripping to the welding rod of different specifications.

The invention is further configured as follows: the width of outer picture peg and lower picture peg all is greater than the open width of clamp splice side, and the width of horizontal connecting piece equals the open width of clamp splice side, also is provided with the welding rod on the horizontal connecting piece and places the groove.

Through adopting above-mentioned technical scheme, designed one kind and can carried out effective confined structure to clamp splice side opening, can effectively avoid dust etc. to get into inside destruction elastic component and the sliding assembly of clamp splice, can effectively prolong its life.

The invention is further provided with: the lower end of the upper base body is attached and fixed with the upper end of the lower base body to form a clamping block.

The invention is further provided with: the inner edge of the transverse connecting piece abuts against the inner wall of the cavity of the clamping block.

Through adopting above-mentioned technical scheme, effectively improve the gliding stability of horizontal connecting piece, can effectively prolong its life.

The invention is further provided with: the pillar is formed by the suit of big sleeve and little cover, and the below of workstation is provided with two-way lead screw, has set two nuts on the two-way lead screw, and the nut adopts the bracing piece to articulate with the little sleeve that is located the stand lower extreme.

Through adopting above-mentioned technical scheme, rotatory two-way lead screw can be adjusted the height of workstation, provides the scheme of simply adjusting the workstation height.

The invention has the main beneficial effects that:

1. the electric welding machine is provided with the clamping structure capable of flexibly clamping the welding rod, the clamping structure consists of the elastic piece and the sliding piece, and the welding rod with different specifications can be firmly clamped;

2. the electric welding machine is provided with the structure capable of effectively sealing the side opening of the clamping block, so that dust and the like can be effectively prevented from entering the clamping block to damage the elastic assembly and the sliding assembly, and the service life of the electric welding machine can be effectively prolonged;

3. the invention also provides a scheme for simply adjusting the height of the workbench, which can relieve the situation of difficult feeding of certain workpieces with larger weight to a certain extent.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced 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 based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the electrode holding mechanism of the present invention;

fig. 3 is a schematic view of the internal structure of the clamp block of the present invention.

In the figure, 1, a pillar; 2. a work table; 3. a vertical telescopic mechanism; 4. a column; 5. a transverse telescoping mechanism; 6. welding a head; 7. a welding rod clamping mechanism; 8. welding rods; 9. a workpiece clamping mechanism; 10. a bidirectional screw rod; 11. a motor; 12. a support bar; 71. an upper substrate; 72. a lower substrate; 73. a welding rod placing groove; 74. an outer plug board; 75. a transverse connecting member; 76. an o-shaped elastic member; 77. a vertical compression spring; 78. an interposer; 79. and a lower plug board.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

With reference to fig. 1 and 3, an electric welding machine comprises a supporting column 1, a workbench 2, and a workpiece clamping mechanism 9 and a welding head 6 which are arranged on the workbench 2, wherein the welding head 6 is arranged right above the workbench 2 through a vertical telescopic mechanism 3, a vertical column 4 and a transverse telescopic mechanism 5; the welding rod clamping mechanism 7 on the welding head 6 comprises two corresponding clamping blocks, opposite sides of the two clamping blocks are correspondingly provided with welding rod placing grooves 73, each clamping block comprises an upper base body 71, a lower base body 72 and an extrusion pushing structure arranged in the cavity of each clamping block, the cavity of each clamping block is formed by splicing cavities of the upper base body 71 and the lower base body 72, side openings of the cavity of each clamping block are arranged on the same side with the welding rod placing grooves 73, each extrusion pushing structure comprises a sliding part and an o-shaped elastic part 76, the sliding part comprises a transverse connecting part 75, an outer inserting plate 74, an inner inserting plate 78 and a lower inserting plate 79, the outer inserting plate 74, the inner inserting plate 78 and the lower inserting plate 79 are arranged on the upper side of the transverse connecting part 75, the outer inserting plate 74, the inner inserting plate 78 and the lower inserting plate 79 are arranged in parallel, fine slit-shaped cavities corresponding to the outer inserting plate 74, the inner inserting plate 78 and the lower inserting plate 79 are vertically arranged in the cavity of each clamping block, a vertical compression spring 77 is arranged between the outer side of the outer inserting plate 74 and the inner inserting plate 78, the outer side of the o-shaped elastic part 76 is arranged in an area surrounded by the outer elastic part, and the outer side of the lower base body 72, and the vertical compression spring 76 is located at the longest vertical compression groove 73, and the outer surface of the clamping block is located at the highest height of the groove when the outer surface of the elastic part 73.

The invention is further configured to: the width of the outer inserting plate 74 and the width of the lower inserting plate 79 are both larger than the width of the side opening of the clamping block, the width of the transverse connecting piece 75 is equal to the width of the side opening of the clamping block, and a welding rod placing groove 73 is also formed in the transverse connecting piece 75.

The invention is further configured to: the lower end of the upper base body 71 and the upper end of the lower base body 72 are jointed and fixed to form a clamping block.

The invention is further configured to: the inner edge of the cross connector 75 abuts against the inner wall of the cavity of the clamp block.

The invention is further configured to: the support 1 is formed by sleeving a large sleeve and a small sleeve.

The invention is further configured to: a bidirectional screw rod 10 is arranged below the workbench 2, two nuts are arranged on the bidirectional screw rod 10 in a matching mode, and the nuts are hinged to small sleeves located at the lower end of the stand column 1 through support rods 12. The height of the workbench 2 can be adjusted by driving the bidirectional screw rod 10 to rotate by the motor 11.

Specific example 1:

as shown in fig. 1 and 3, the electric welding machine comprises a support column 1, a workbench 2, a workpiece clamping mechanism 9 and a welding head 6, wherein the workpiece clamping mechanism 9 and the welding head 6 are arranged on the workbench 2, and the welding head 6 is arranged right above the workbench 2 through a vertical telescopic mechanism 3, a stand column 4 and a transverse telescopic mechanism 5.

The welding rod clamping mechanism 7 on the welding head 6 comprises two corresponding clamping blocks, opposite sides of the two clamping blocks are correspondingly provided with welding rod placing grooves 73, each clamping block comprises an upper base body 71, a lower base body 72 and an extrusion pushing structure arranged in the cavity of the clamping block, the cavity of each clamping block is formed by splicing the cavities of the upper base body 71 and the lower base body 72, the lower end of the upper base body 71 and the upper end of the lower base body 72 are attached and fixed to form the clamping block, the side opening of the cavity of the clamping block and the welding rod placing grooves 73 are arranged on the same side, the extrusion pushing structure comprises a sliding part and an o-shaped elastic part 76, the sliding part comprises a transverse connecting part 75, an outer inserting plate 74 arranged on the upper side of the transverse connecting part 75, an inner inserting plate 78 and a lower inserting plate 79 arranged on the lower side of the transverse connecting part 75, the outer inserting plate 74, the inner inserting plate 78 and the lower inserting plate 79 are parallel to each other, a slit-shaped cavity corresponding to the outer inserting plate 74, the inner inserting plate 78 and the lower inserting plate 79 is vertically arranged in the cavity of the clamping block, a vertical compression spring 77 is arranged between the outer inserting plate 74 and the inner inserting plate 78, an o-shaped elastic piece 76 is arranged in an area defined by the lower side of the transverse connecting piece 75, the outer side of the lower inserting plate 79 and the upper side of the lower base body 72, the o-shaped elastic piece 76 is located in an opening on the side of the clamping block, and when the vertical compression spring 77 is in the longest state, the height of the outer surface of the o-shaped elastic piece 76 is higher than the height of the bottom of the welding rod containing groove 73. The width of the outer inserting plate 74 and the width of the lower inserting plate 79 are both larger than the width of the side opening of the clamping block, the width of the transverse connecting piece 75 is equal to the width of the side opening of the clamping block, a welding rod placing groove 73 is also arranged on the transverse connecting piece 75, and the inner edge of the transverse connecting piece 75 abuts against the inner wall of the cavity of the clamping block. The support 1 is formed by sleeving a large sleeve and a small sleeve, a bidirectional screw rod 10 is arranged below the workbench 2, two nuts are arranged on the bidirectional screw rod 10 in a matching mode, and the nuts are hinged to the small sleeve at the lower end of the upright post 1 through a support rod 12.

When two clamp splices begin to carry out the centre gripping to welding rod 8, welding rod 8 extrudees o shape elastic component 76, draw back after the o shape elastic component 76 atress, produce the thrust of a thrust that upwards pushes up simultaneously, compress vertical compression spring 77, make elasticity between vertical compression spring 77 and the o shape elastic component 76 reach a balanced state, design through a plurality of elastic components, this can realize the firm centre gripping to multiple specification welding rod 8, in addition, because only have minimum gap between the side opening on slider and the clamp splice, still can effectively avoid inside extrusion propelling movement structure to inside of entering clamp splice cavity such as outside dust to damage.

Claims

1. An electric welding machine comprises a support column (1), a workbench (2), a workpiece clamping mechanism (9) and a welding head (6), wherein the workpiece clamping mechanism and the welding head are arranged on the workbench (2), and the welding head (6) is arranged right above the workbench (2) through a vertical telescopic mechanism (3), a stand column (4) and a transverse telescopic mechanism (5); the method is characterized in that: the welding rod clamping mechanism (7) on the welding head (6) comprises two corresponding clamping blocks, opposite sides of the two clamping blocks are correspondingly provided with welding rod placing grooves (73), each clamping block comprises an upper base body (71), a lower base body (72) and an extrusion pushing structure arranged in a clamping block cavity, the cavity of each clamping block is formed by splicing the cavities of the upper base body (71) and the lower base body (72), the side opening of the clamping block cavity is arranged on the same side as the welding rod placing groove (73), the extrusion pushing structure comprises a sliding part and an O-shaped elastic part (76), the sliding part comprises a transverse connecting part (75), an outer inserting plate (74) and an inner inserting plate (78) which are arranged on the upper side of the transverse connecting part (75) and a lower inserting plate (79) which is arranged on the lower side of the transverse connecting part (75), the outer inserting plate (74), the inner inserting plate (78) and the lower inserting plate (79) are parallel to each other, thin seam-shaped connecting parts corresponding to the outer inserting plate (74), the inner inserting plate (79) and the lower inserting plate (75) are arranged in the transverse connecting part (75), the vertical direction of the clamping blocks (76) and the spring inserting plate (76) are arranged in the vertical direction, the transverse connecting part (77), when the vertical compression spring (77) is in the longest state, the height of the outer surface of the O-shaped elastic piece (76) is higher than that of the bottom of the welding rod containing groove (73); the width of outer picture peg (74) and lower picture peg (79) all is greater than the open-sided width of clamp splice, the width of horizontal connecting piece (75) equals the open-sided width of clamp splice, also be provided with welding rod arrangement groove (73) on horizontal connecting piece (75).

2. A welding bug as claimed in claim 1 wherein: the lower end of the upper base body (71) is attached and fixed with the upper end of the lower base body (72) to form a clamping block.

3. A welding bug as claimed in claim 2 wherein: the inner edge of the cross connecting piece (75) abuts against the inner wall of the clamping block cavity.

4. A welding bug as claimed in claim 1 wherein: the supporting column (1) is formed by sleeving a large sleeve and a small sleeve.

5. A welding bug according to claim 4 wherein: the lower part of the workbench (2) is provided with a bidirectional screw rod (10), two nuts are arranged on the bidirectional screw rod (10) in a matching mode, and the nuts are hinged to small sleeves located at the lower end of the support column (1) through support rods (12).