CN218396705U - Anchor clamps and cold welding machine - Google Patents

Abstract

The utility model discloses a clamp and a cold welding machine, wherein the clamp comprises a clamping mechanism and an operation platform for supporting the clamping mechanism, and the clamping mechanism is provided with a processing position for welding; the clamping mechanism is used for clamping a first copper rod and a second copper rod, the first copper rod and the second copper rod are arranged oppositely, and the end part of the first copper rod and the end part of the second copper rod are both positioned in the processing station; the bottom of the clamping mechanism is provided with a flash tank which penetrates through the clamping mechanism and is communicated with the processing position; when first copper pole and second copper pole were in processing position department welding, the waste residue that the welding produced fell in the processing position, because processing position and flash tank intercommunication, the flash tank is located clamping mechanism's bottom, and the flash tank runs through in clamping mechanism setting, makes the waste residue can drop to the flash tank in from the processing position, then discharges the waste residue of flash tank, the waste residue that produces when can effectively clear up the welding operation, avoid the waste residue to pile up in the processing position, avoid influencing welding operation.

Description

Anchor clamps and cold welding machine

Technical Field

The utility model relates to a metal welding's technical field, in particular to anchor clamps and cold welding machine.

Background

In the processing of metal components, two metal pieces are often required to be welded into an integral structure, and the existing metal welding often adopts a cold welding technology. When a general cold welding machine is used for welding metal parts, a clamp clamps the metal parts to be welded, and the cold welding machine is used for welding the metal parts; waste residues generated during welding fall into the processing position, a large amount of waste residues are accumulated in the processing position through long-time welding operation, and after the cold welding machine performs multiple welding operations, the excessive waste residues accumulated in the processing position are difficult to clean; and the space of the processing position is limited, and the processing position is not favorable for direct cleaning from the processing position, thereby influencing the next welding operation of the cold welding machine and reducing the welding operation efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anchor clamps aims at realizing the waste residue that produces when effectively clearing up welding jobs, avoids the waste residue to pile up in the processing position.

In order to achieve the above object, the utility model provides a clamp, which comprises a clamping mechanism and a workbench for supporting the clamping mechanism, wherein the clamping mechanism is provided with a processing position for welding; the clamping mechanism is used for clamping at least one part of a first copper rod and a second copper rod, the first copper rod and the second copper rod are arranged oppositely, and the end part of the first copper rod and the end part of the second copper rod are both positioned in the processing station;

the bottom of the clamping mechanism is provided with a flash tank, the flash tank penetrates through the clamping mechanism, and the flash tank is communicated with the processing position.

Preferably, be equipped with two sets of stop gear on the operation panel, two sets of stop gear are located respectively both sides around clamping mechanism, two sets of stop gear are equipped with first clamp mouth and second respectively and press from both sides the mouth, first clamp mouth is used for placing first copper pole, the second presss from both sides the mouth and is used for placing the second copper pole, just first clamp mouth the second presss from both sides the mouth and the station of adding all is located same straight line, two sets of stop gear are used for the restriction respectively first copper pole with the displacement of second copper pole.

Preferably, each set of the limiting mechanism includes two limiting members, the two limiting members are disposed oppositely to form the first clamping opening or the second clamping opening, each of the two limiting members is provided with an arc-shaped outer wall, and the arc-shaped outer wall is used for abutting against the outer wall of the first copper rod or the second copper rod;

the locating part is equipped with the installation cavity, the upper end of operation platform be fixed with run through in the stand of installation cavity, the installation cavity is used for supplying the locating part with stand swing joint, the stand has cup jointed the torsional spring, the torsional spring with the locating part is connected, the locating part have with the column is the removal route of the circumference at center.

Preferably, the curved outer wall of locating part is equipped with many anti-skidding lines, many anti-skidding lines are followed the direction of height extension of locating part sets up, many anti-skidding lines be used for with the outer wall butt of first copper pole or second copper pole.

Preferably, the plurality of anti-slip threads are arranged towards the first clamping opening or the second clamping opening, the installation cavity is close to the outer end of the limiting part, and the anti-slip threads are arranged opposite to the installation cavity.

Preferably, the clamping mechanism comprises a first clamping block, a second clamping block, a third clamping block and a fourth clamping block, and the first clamping block, the second clamping block, the third clamping block and the fourth clamping block all take the processing station as a center and are distributed around the processing station; the first clamping block and the second clamping block are used for clamping the first copper rod; the third clamping block and the fourth clamping block are used for clamping the second copper rod;

moving paths which are far away from or close to each other are arranged between the first clamping block and the second clamping block, between the second clamping block and the third clamping block, between the third clamping block and the fourth clamping block and between the fourth clamping block and the first clamping block.

Preferably, the clamping mechanism is provided with a first screw rod, the first screw rod is respectively in threaded connection with the inner cavities of the first clamping block and the second clamping block, the rotation directions of the inner cavity threads of the first clamping block and the second clamping block are opposite, the first screw rod is connected with a first motor, and the first motor is used for driving the first screw rod to rotate so as to adjust the distance between the first clamping block and the second clamping block; and/or the presence of a gas in the gas,

the first screw rod is respectively in threaded connection with the inner cavities of the third clamping block and the fourth clamping block, the rotating directions of the threads of the inner cavities of the third clamping block and the fourth clamping block are opposite, and the first screw rod is used for adjusting the distance between the third clamping block and the fourth clamping block.

Preferably, the clamping mechanism is further provided with a second screw rod, the second screw rod is respectively in threaded connection with the inner cavities of the first clamping block and the fourth clamping block, the rotation directions of the inner cavity threads of the first clamping block and the fourth clamping block are opposite, the second screw rod is connected with a second motor, and the second motor is used for driving the second screw rod to rotate so as to adjust the distance between the first clamping block and the fourth clamping block; and/or the presence of a gas in the gas,

the second screw rod respectively with the second clamp splice with the inner chamber threaded connection of third clamp splice, the second clamp splice with the rotation direction of the inner chamber screw thread of third clamp splice is opposite setting, the second screw rod is used for adjusting the second clamp splice with the interval between the third clamp splice.

Preferably, the first screw is arranged perpendicular to the second screw.

The utility model also provides a cold welding machine, include as above-mentioned anchor clamps, cold welding machine is used for the welding first copper pole with the second copper pole.

The technical proposal of the utility model is that the clamping mechanism is provided with a processing position for welding; the clamping mechanism is used for clamping at least one part of a first copper rod and a second copper rod, the first copper rod and the second copper rod are arranged oppositely, and the end part of the first copper rod and the end part of the second copper rod are both positioned in the processing station; and a flash groove is arranged at the bottom of the clamping mechanism, penetrates through the clamping mechanism and is communicated with the processing position. When first copper pole and second copper pole were in processing position department welding, the waste residue that the welding produced fell in the processing position, because processing position and flash tank intercommunication, the flash tank is located clamping mechanism's bottom, and the flash tank runs through in clamping mechanism setting, make the waste residue can drop to the flash tank in from the processing position, then discharge the waste residue of flash tank, the waste residue that produces when can effectively clear up welding jobs, avoid the waste residue to pile up in the processing position, can not influence the next welding jobs of cold welding machine.

Drawings

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

Fig. 1 is a schematic structural diagram of an embodiment of the clamp and the cold welding machine of the present invention.

Fig. 2 is a top view of the clamp and the cold welding machine according to an embodiment of the present invention.

Fig. 3 is a bottom view of the clamp according to an embodiment of the present invention.

Fig. 4 is a partially enlarged view of a portion a in an embodiment of the clamp and the cold welding machine of the present invention.

The reference numbers illustrate:

reference numerals	Name(s)	Reference numerals	Name (R)
				100	Clamp apparatus	7	Limiting mechanism
1	Work bench	71	Position limiting element
				2	A first copper rod	72	First clamping opening
3	Second copper rod	73	Second clamping opening
				4	Clamping mechanism	701	Mounting cavity
41	First clamping block	702	Upright post
				42	Second clamping block	703	Torsion spring
43	Third clamping block	704	Anti-skid lines
				44	Fourth clamping block	8	Machining station
45	Inner cavity	9	Flash chute
				5	First screw	200	Cold welding machine
6	Second screw

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if the present invention relates to a directional indication (such as up, down, left, right, front, back, 8230 \8230;, 8230;), the directional indication is only used to explain the relative position relationship between the components in a specific posture, the motion situation, etc., and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the expression "and/or" and/or "is used throughout, the meaning includes three parallel schemes, for example," A and/or B ", including scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a clamp 100. Referring to fig. 1 and 3, in a first embodiment of the present invention, the fixture 100 includes a clamping mechanism 4 and a workbench 1 for supporting the clamping mechanism 4, wherein the clamping mechanism 4 is provided with a processing position 8 for welding; the clamping mechanism 4 is used for clamping at least one part of a first copper rod 2 and a second copper rod 3, the first copper rod 2 and the second copper rod 3 are oppositely arranged, and the end part of the first copper rod 2 and the end part of the second copper rod 3 are both positioned in the processing station 8; the clamping mechanism 4 is adopted to clamp the first copper rod 2 and the second copper rod 3, so that the cold welding machine 200 can weld the metal pieces in the processing position 8.

The bottom of the clamping mechanism 4 is provided with a flash groove 9, the flash groove 9 penetrates through the clamping mechanism 4, and the flash groove 9 is communicated with the processing position 8. In this embodiment, the metal part comprises a first copper rod 2 and a second copper rod 3, waste slag generated during welding of the metal part can fall into the processing position 8, and if the waste slag in the processing position 8 is not cleaned in time, when the processing position 8 is welded again, the waste slag can be heated again and enter the metal part, so that the welding quality of the metal part is affected; set up flash tank 9 in clamping mechanism 4's bottom, flash tank 9 and processing position 8 intercommunication simultaneously make the waste residue can drop to flash tank 9 in from processing position 8, then discharge flash tank 9's waste residue, the waste residue that produces when can effectively clearing up welding operation avoids the waste residue to pile up in processing position 8, can not influence the next welding operation of cold welding machine 200.

The technical proposal of the utility model is that a processing position 8 for welding is arranged on the clamping mechanism 4; the clamping mechanism 4 is used for clamping at least one part of a first copper rod 2 and a second copper rod 3, the first copper rod 2 and the second copper rod 3 are oppositely arranged, and the end part of the first copper rod 2 and the end part of the second copper rod 3 are both positioned in the processing station 8; the bottom of the clamping mechanism 4 is provided with a flash groove 9, the flash groove 9 penetrates through the clamping mechanism 4, and the flash groove 9 is communicated with the processing position 8. When first copper pole 2 and second copper pole 3 are in processing position 8 during the welding, the waste residue that the welding produced falls in processing position 8, because processing position 8 and flash tank 9 intercommunication, flash tank 9 is located clamping mechanism 4's bottom, and flash tank 9 runs through in clamping mechanism 4 setting, make the waste residue can follow processing position 8 and drop to flash tank 9 in, then discharge flash tank 9's waste residue, the waste residue that produces when can effectively clearing up welding operation, avoid the waste residue to pile up in processing position 8.

As shown in fig. 2 to 4, two sets of limiting mechanisms 7 are arranged on the workbench 1, the two sets of limiting mechanisms 7 are respectively located on the front side and the rear side of the clamping mechanism 4, the two sets of limiting mechanisms 7 are respectively provided with a first clamping opening 72 and a second clamping opening 73, the first clamping opening 72 is used for placing the first copper rod 2, the second clamping opening 73 is used for placing the second copper rod 3, the first clamping opening 72, the second clamping opening 73 and the processing position 8 are all located on the same straight line, and the two sets of limiting mechanisms 7 are respectively used for limiting the displacement of the first copper rod 2 and the second copper rod 3. Through the mutual matching of the two groups of limiting mechanisms 7 and the clamping mechanism 4, the first copper rod 2 is positioned in the first clamping opening 72, and the second copper rod 3 is positioned in the second clamping opening 73, so that the first copper rod 2 and the second copper rod 3 can be prevented from being loosened in the butt joint process, and the welding quality is improved; the first clamping opening 72, the second clamping opening 73 and the processing station 8 are all located on the same straight line, so that welding spots of the first copper rod 2 and the second copper rod 3 can be aligned, and the welding quality of the first copper rod 2 and the second copper rod 3 is further improved.

As shown in fig. 2 to 4, each set of the limiting mechanisms 7 includes two limiting members 71, the two limiting members 71 are disposed oppositely, the first clamping opening 72 or the second clamping opening 73 is located between the two limiting members 71, and each of the two limiting members 71 has an arc-shaped outer wall, and the arc-shaped outer wall is used for abutting against the outer wall of the first copper rod 2 or the second copper rod 3; first copper pole 2 or second copper pole 3 are cliied by two locating parts 71 to restricted first copper pole 2 or second copper pole 3's displacement, further prevented that first copper pole 2 and second copper pole 3 from appearing not hard up condition in the butt joint in-process, thereby improve welding quality. When the first copper rod 2 and the second copper rod 3 are not stably butted, the welding quality is affected.

The limiting part 71 is provided with an installation cavity 701, the upper end of the operation platform 1 is fixed with a column 702 penetrating through the installation cavity 701, the installation cavity 701 is used for the limiting part 71 and the column 702 to be movably connected, the column 702 is sleeved with a torsion spring 703, the torsion spring 703 is connected with the limiting part 71, and the limiting part 71 is provided with a circumferential moving path taking the column 702 as a center. Because the two limit pieces 71 are provided with the arc-shaped outer walls, the limit pieces 71 are sleeved on the upright column 702 through the installation cavity 701, so that the limit pieces 71 are movably connected with the upright column 702, and the limit pieces 71 can rotate around the upright column 702; meanwhile, the column 702 is sleeved with a torsion spring 703, one end of the torsion spring 703 is connected with the column 702, and the other end of the torsion spring 703 is connected with the limiting member 71, so that the two limiting members 71 can simultaneously have a moving path of circumferential movement. When the copper rod is inserted between the two limiting pieces 71, the copper rod simultaneously extrudes the two limiting pieces 71, so that one of the limiting pieces 71 rotates clockwise, the other limiting piece 71 rotates anticlockwise, the copper rod is positioned in the first clamping opening 72 or the second clamping opening 73, the torsion spring 703 is compressed by the limiting pieces 71, and a reverse acting force is applied to the two limiting pieces 71, so that the left-right swinging of the copper rod is limited, the effect of guiding the copper rod to enter the clamping mechanism 4 is achieved, meanwhile, the copper rod is clamped by the clamping mechanism 4, and the copper rod is prevented from returning from the two limiting pieces 71; the work efficiency of the jig 100 is improved. Because the limiting piece 71 utilizes the elastic action of the spring to extrude the copper rod, the damage to the outer wall of the copper rod in the clamping process can be effectively reduced. In an actual installation process, the torsion springs 703 in the installation cavities 701 of the two oppositely arranged limiting members 71 are also oppositely arranged, so that when the two limiting members 71 rotate clockwise and counterclockwise respectively, the torsion springs 703 exert corresponding reverse acting forces.

As shown in fig. 4, the arc-shaped outer wall of the limiting member 71 is provided with a plurality of anti-slip stripes 704, the plurality of anti-slip stripes 704 are arranged to extend along the height direction h of the limiting member 71, so that the copper rod can be in contact with the anti-slip stripes 704 at different heights, and the plurality of anti-slip stripes 704 are used for being abutted against the outer wall of the first copper rod 2 or the second copper rod 3. The cross section of the anti-slip pattern 704 is in a tooth shape, and the anti-slip pattern 704 is used for increasing the friction force between the limiting members 71 and the copper rod, so that the two limiting members 71 can further limit the copper rod, the copper rod is prevented from loosening in the butt joint process, the phenomenon that the copper rod is not clamped by the clamping mechanism 4 and retreats is avoided, and the operation efficiency is further improved.

As shown in fig. 4, the anti-slip threads 704 are disposed toward the first nip 72 or the second nip 73, the installation cavity 701 is disposed near the outer end of the limiting member 71, and the anti-slip threads 704 are disposed opposite to the installation cavity 701. Arranging the installation cavity 701 close to the outer end of the limiting piece 71, and arranging the anti-skid thread 704 opposite to the installation cavity 701; the contact surface of the copper rod and the anti-slip pattern 704 can be further away from the torsion spring 703; the analysis is carried out by utilizing the lever principle, the upright column 702 is the fulcrum of the limiting part 71 (lever), and the farther the contact point (action point) between the copper rod and the anti-skid pattern 704 is away from the torsion spring 703, the smaller the reverse acting force applied to the copper rod by the corresponding torsion spring 703, so that the limiting part 71 can be prevented from excessively extruding the copper rod, and the damage to the outer wall of the copper rod in the clamping process can be further reduced.

In addition, the clamping mechanism 4 includes a first clamping block 41, a second clamping block 42, a third clamping block 43 and a fourth clamping block 44, and the first clamping block 41, the second clamping block 42, the third clamping block 43 and the fourth clamping block 44 all use the processing station 8 as a center and are distributed around the processing station 8; the first clamping block 41 and the second clamping block 42 are used for clamping the first copper rod 2; the third clamping block 43 and the fourth clamping block 44 are used for clamping the second copper rod 3; the first clamping block 41 and the second clamping block 42 are provided with a through groove (not shown in the figure) for clamping the first copper rod 2, the cross section of the through groove is arc-shaped, and the inner wall of the through groove is tightly attached to the outer wall of the first copper rod 2; in this embodiment, the first clamping block 41, the second clamping block 42, the third clamping block 43 and the fourth clamping block 44 have the same shape, so that a plurality of clamping blocks with the same structure can be processed by using the same mold, and then an inner cavity 45 with internal threads is formed in each clamping block, so as to improve the efficiency of processing, production and manufacturing; and can better clamp the first copper rod 2 or the second copper rod 3.

Moving paths which are far away from or close to each other are arranged between the first clamping block 41 and the second clamping block 42, between the second clamping block 42 and the third clamping block 43, between the third clamping block 43 and the fourth clamping block 44 and between the fourth clamping block 44 and the first clamping block 41. When the first clamping block 41 and the second clamping block 42 are required to clamp the first copper rod 2, the first clamping block 41 and the second clamping block 42 are close to each other; when the third clamping block 43 and the fourth clamping block 44 need to clamp the second copper rod 3, the third clamping block 43 and the fourth clamping block 44 are close to each other; when the welding points of the first copper rod 2 and the second copper rod 3 need to be close, the first clamping block 41 and the fourth clamping block 44, and the second clamping block 42 and the third clamping block 43 are close to each other; when the welded copper rod needs to be taken out, the first clamping block 41, the second clamping block 42, the third clamping block 43 and the fourth clamping block 44 all deviate from the machining position 8 to move, so that the welded copper rod is convenient to take out.

In addition, the clamping mechanism 4 is provided with a first screw rod 5, the first screw rod 5 is respectively in threaded connection with the inner cavities 45 of the first clamping block 41 and the second clamping block 42, the threads of the inner cavities 45 of the first clamping block 41 and the second clamping block 42 are arranged in opposite rotation directions, and the first screw rod 5 is connected with a first motor (not shown in the figure) for driving the first screw rod 5 to rotate so as to adjust the distance between the first clamping block 41 and the second clamping block 42; in this embodiment, the first screw 5 is respectively in threaded connection with the inner cavities 45 of the first clamping block 41 and the second clamping block 42, the threads of the inner cavities 45 of the first clamping block 41 and the second clamping block 42 are oppositely arranged, and when the first motor drives the first screw 5 to rotate, the first screw 5 has the clockwise and counterclockwise rotation functions, so as to drive the first clamping block 41 and the second clamping block 42 to move towards the direction close to or away from each other, so as to meet the requirement that the first clamping block 41 and the second clamping block 42 clamp the first copper rod 2.

The first screw 5 is respectively in threaded connection with the inner cavities 45 of the third clamping block 43 and the fourth clamping block 44, the threads of the inner cavities 45 of the third clamping block 43 and the fourth clamping block 44 are oppositely arranged, and the first screw 5 is used for adjusting the distance between the third clamping block 43 and the fourth clamping block 44. Since the third clamping block 43 and the fourth clamping block 44 adopt the driving manner of the first clamping block 41 and the second clamping block 42, and the first screw 5 is adopted to drive the third clamping block 43 and the fourth clamping block 44, the beneficial effects are not described in detail.

In this embodiment, the first clamping block 41, the second clamping block 42, the third clamping block 43, and the fourth clamping block 44 are respectively provided with two inner cavities 45, the two inner cavities 45 are perpendicular to each other, the two inner cavities 45 are arranged at intervals, the two inner cavities 45 are respectively used for being in threaded connection with the first screw 5 and the second screw 6, and the thread directions of the two inner cavities 45 are arranged according to the moving direction of each clamping block, so that moving paths which are far away from or close to each other are provided between the first clamping block 41 and the second clamping block 42, between the second clamping block 42 and the third clamping block 43, between the third clamping block 43 and the fourth clamping block 44, and between the fourth clamping block 44 and the first clamping block 41.

In addition, the clamping mechanism 4 is further provided with a second screw rod 6, the second screw rod 6 is respectively in threaded connection with the inner cavities 45 of the first clamping block 41 and the fourth clamping block 44, the threads of the inner cavities 45 of the first clamping block 41 and the fourth clamping block 44 are arranged in opposite rotation directions, and the second screw rod 6 is connected with a second motor (not shown in the figure) which is used for driving the second screw rod 6 to rotate so as to adjust the distance between the first clamping block 41 and the fourth clamping block 44; in this embodiment, the second screw 6 is respectively in threaded connection with the inner cavities 45 of the first clamping block 41 and the fourth clamping block 44, the internal threads in the inner cavity 45 of the first clamping block 41 and the internal threads in the inner cavity 45 of the fourth clamping block 44 are arranged in opposite directions, and when the second motor drives the second screw 6 to rotate, the second screw 6 has the clockwise and counterclockwise rotation functions, so as to drive the first clamping block 41 and the fourth clamping block 44 to move towards the directions close to or away from each other, so that the first clamping block 41 and the fourth clamping block 44 have moving paths close to or away from each other, and thus the welding point of the first copper rod 2 and the welding point of the second copper rod 3 can be aligned and welded.

The second screw 6 is respectively in threaded connection with the inner cavities 45 of the second clamping block 42 and the third clamping block 43, the screw directions of the threads of the inner cavities 45 of the second clamping block 42 and the third clamping block 43 are opposite, and the second screw 6 is used for adjusting the distance between the second clamping block 42 and the third clamping block 43. Since the second clamping block 42 and the third clamping block 43 also adopt the driving mode of the first clamping block 41 and the fourth clamping block 44, the beneficial effects brought by driving the second clamping block 42 and the third clamping block 43 by the second screw 6 are not described in detail herein.

Further, the first screw 5 is disposed perpendicular to the second screw 6. The first clamping block 41 and the second clamping block 42 and the third clamping block 43 and the fourth clamping block 44 move transversely; and the first clamping block 41 and the fourth clamping block 44 and the second clamping block 42 and the third clamping block 43 move longitudinally; when the first screw 5 and the second screw 6 are vertically arranged, the requirement that the transverse moving path of the clamping mechanism 4 is vertical to the vertical moving path is met, and the operation efficiency of clamping the copper rod by the clamp 100 is improved.

The utility model also provides a cold welding machine 200, include as above-mentioned anchor clamps 100, cold welding machine 200 is used for the welding first copper pole 2 with second copper pole 3. The working principle of the cold welding machine 200 is as follows: the charging capacitor is used for discharging in an ultrashort time, the electrode material of the cold welding machine 200 is located near the processing position 8, the contact part of the electrode material of the cold welding machine 200 and the metal piece is heated to 8000-10000 ℃ instantly, the molten metal in a plasma state is excessive to the surface layer of the metal piece in a metallurgical mode, the welding point of the metal piece is melted, and the metal piece generates high-strength bonding force, so that the welding operation is completed. The clamp 100 can avoid the accumulation of waste residues in the processing station 8, and the waste residues in the processing station 8 can be cleaned in time through the flash chute 9, so that the welding operation efficiency of the cold welding machine 200 is further improved; and the waste residues are prevented from being melted by secondary welding and attached to the surface layer of the metal piece, so that the welding quality of the metal piece is prevented from being influenced.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (10)

1. The clamp is characterized by comprising a clamping mechanism and a workbench for supporting the clamping mechanism, wherein the clamping mechanism is provided with a processing position for welding; the clamping mechanism is used for clamping a first copper rod and a second copper rod, the first copper rod and the second copper rod are arranged oppositely, and the end part of the first copper rod and the end part of the second copper rod are both positioned in the processing station;

the bottom of the clamping mechanism is provided with a flash tank, the flash tank penetrates through the clamping mechanism, and the flash tank is communicated with the processing position.

2. The fixture according to claim 1, wherein two sets of position-limiting mechanisms are disposed on the worktable, the two sets of position-limiting mechanisms are disposed on front and rear sides of the clamping mechanism respectively, the two sets of position-limiting mechanisms are disposed with a first clamping opening and a second clamping opening respectively, the first clamping opening is used for placing the first copper rod, the second clamping opening is used for placing the second copper rod, the first clamping opening, the second clamping opening and the machining position are all disposed on a same straight line, and the two sets of position-limiting mechanisms are used for limiting displacement of the first copper rod and the second copper rod respectively.

3. The clamp according to claim 2, wherein each set of the limiting mechanisms comprises two limiting members, the two limiting members are disposed opposite to each other to form the first clamping opening or the second clamping opening, and each of the two limiting members is provided with an arc-shaped outer wall for abutting against the outer wall of the first copper rod or the second copper rod;

the locating part is equipped with the installation cavity, the upper end of operation platform be fixed with run through in the stand of installation cavity, the installation cavity is used for supplying the locating part with stand swing joint, the stand has cup jointed the torsional spring, just the stand is connected with the one end of torsional spring, the other end of torsional spring with the locating part is connected, the locating part have with the removal route of stand for the circumference at center.

4. The clip of claim 3, wherein the retaining member has a plurality of anti-slip threads formed on an outer wall of the retaining member, the plurality of anti-slip threads extending along a height direction of the retaining member, and the plurality of anti-slip threads are configured to abut against an outer wall of the first copper rod or the second copper rod.

5. The clamp of claim 4, wherein the anti-slip threads are disposed toward the first opening or the second opening, the mounting cavity is disposed near an outer end of the limiting member, and the anti-slip threads are disposed opposite to the mounting cavity.

6. The fixture of claim 1, wherein the clamping mechanism comprises a first clamping block, a second clamping block, a third clamping block and a fourth clamping block, and the first clamping block, the second clamping block, the third clamping block and the fourth clamping block are centered on the processing station and distributed around the processing station; the first clamping block and the second clamping block are used for clamping the first copper rod; the third clamping block and the fourth clamping block are used for clamping the second copper rod;

moving paths which are far away from or close to each other are arranged between the first clamping block and the second clamping block, between the second clamping block and the third clamping block, between the third clamping block and the fourth clamping block and between the fourth clamping block and the first clamping block.

7. The clamp of claim 6, wherein the clamping mechanism is provided with a first screw rod, the first screw rod is respectively in threaded connection with the inner cavities of the first clamping block and the second clamping block, the threads of the inner cavities of the first clamping block and the second clamping block are oppositely arranged, the first screw rod is connected with a first motor, and the first motor is used for driving the first screw rod to rotate so as to adjust the distance between the first clamping block and the second clamping block; and/or the presence of a gas in the gas,

the first screw rod is respectively in threaded connection with the inner cavities of the third clamping block and the fourth clamping block, the rotating directions of the threads of the inner cavities of the third clamping block and the fourth clamping block are opposite, and the first screw rod is used for adjusting the distance between the third clamping block and the fourth clamping block.

8. The clamp according to claim 7, wherein the clamping mechanism is further provided with a second screw rod, the second screw rod is respectively in threaded connection with the inner cavities of the first clamping block and the fourth clamping block, the threads of the inner cavities of the first clamping block and the fourth clamping block are oppositely arranged, the second screw rod is connected with a second motor, and the second motor is used for driving the second screw rod to rotate so as to adjust the distance between the first clamping block and the fourth clamping block; and/or the presence of a gas in the atmosphere,

the second screw rod respectively with the second clamp splice with the inner chamber threaded connection of third clamp splice, the second clamp splice with the rotation direction of the inner chamber screw thread of third clamp splice is opposite setting, the second screw rod is used for adjusting the second clamp splice with the interval between the third clamp splice.

9. The clamp of claim 8, wherein said first threaded rod is disposed perpendicular to said second threaded rod.

10. A cold welding machine comprising a fixture as claimed in any one of claims 1 to 9, said cold welding machine being for welding said first and second copper bars.

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