CN214684707U - High-precision large-current DC inversion spot welder - Google Patents

Abstract

The utility model discloses a high-precision large-current direct-current inversion spot welding machine, which comprises a fixed base and a supporting square block, wherein the supporting square block is fixedly installed at the left side position of the upper end of the fixed base, the buffering auxiliary plate structure is arranged to facilitate the buffering auxiliary adjustment, the inner side sleeve column of the buffering auxiliary plate is fixedly welded and connected on a lifting limiting rod so as to effectively avoid falling off, and when the supporting square block is pressed down, the auxiliary spring and the interference ring at the corner of a metal panel are used for effectively buffering auxiliary so as to avoid the damage of adjustment collision, and the negative spot welder structure is arranged so as to effectively clamp spot welding for use, two hole clamping blocks of the negative spot welder are fixedly welded and connected on a driving expansion piece, the two hole clamping blocks effectively fix a line source clamping column and an electric clamping column due to through holes at two sides, and the line source outside the effective buckle of the line source clamping column is used for facilitating the stable spot welding, during spot welding, the welding column on the inner side of the electric clamping column is connected, so that the spot welding is convenient to use.

Description

High-precision large-current DC inversion spot welder

Technical Field

The utility model relates to a spot welder technical field, concretely relates to high accuracy heavy current direct current contravariant spot welder.

Background

The spot welder adopts the principle of double-sided double-point over-current welding, when in work, two electrodes pressurize a workpiece to enable two layers of metals to form a certain contact resistance under the pressure of the two electrodes, when welding current flows from one electrode to the other electrode, instant thermal welding is formed at the two contact resistance points, and the welding current instantly flows from the other electrode to the electrodes along the two workpieces to form a loop, so that the internal structure of the welded workpiece is not damaged.

At present, when the existing high-precision large-current direct-current inverter spot welding machine is used for spot welding under pressure, no good buffering auxiliary device exists on the outer side, so that the machine is easy to collide when the spot welding under pressure, and the machine is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy heavy current direct current contravariant spot welder to propose current high accuracy heavy current direct current contravariant spot welder when pushing down spot welding in solving above-mentioned background art, do not have fine buffering auxiliary device's problem because of the outside.

In order to achieve the above object, the utility model provides a following technical scheme: high accuracy heavy current direct current contravariant spot welder, including unable adjustment base and support square, support the square installation and fix on unable adjustment base's upper end left side position, the upper end of supporting the square is provided with the lift gag lever post, the upper end week side of lift gag lever post is provided with the slip frame, the outer end of slip frame is provided with air pressure controller, the top of slip frame is located lift gag lever post upper end and is provided with the buffering accessory plate, the front end inboard of slip frame is provided with the drive expansion bend, the lower extreme of drive expansion bend is provided with negative pole spot welder, the below of negative pole spot welder is provided with positive pole spot welder on unable adjustment base, negative pole spot welder and positive pole spot welder and external power source electric connection, air pressure controller and drive expansion bend pass through the atmospheric pressure rubber tube and connect.

The buffer auxiliary plate comprises an auxiliary spring, an abutting circular ring, an inner side sleeve column and a metal panel, wherein the inner side sleeve column is arranged on two sides of the lower end of the metal panel, the auxiliary spring is arranged on the corner, located on the metal panel, of the outer side of the inner side sleeve column, the abutting circular ring is arranged at the lower end of the auxiliary spring, and the inner side sleeve column is connected to the lifting limiting rod.

Wherein, positive pole spot welding ware includes side screw, fixed clamp splice, spot welding post and spot welding metal clip post, the inboard of fixed clamp splice is provided with spot welding metal clip post, the junction of fixed clamp splice and spot welding metal clip post is provided with the side screw, the inboard of spot welding metal clip post is provided with the spot welding post, fixed clamp splice is connected on unable adjustment base.

The negative spot welder comprises a line source clamping column, two hole clamping blocks, a welding column and an electric connecting clamping column, wherein the line source clamping column is arranged on the inner side of the upper end of each hole clamping block, the electric connecting clamping column is arranged on the inner side of the lower end of each hole clamping block, the welding column is arranged on the inner side of the front end of the electric connecting clamping column, and the two hole clamping blocks are connected to the driving expansion piece.

The lifting limiting rods are symmetrically fixed on the upper end corners of the supporting square blocks.

The lifting limiting rod is fixedly connected with the sliding machine seat in a sleeved mode, and a fixing bolt is arranged on the outer side of the joint of the lifting limiting rod and the sliding machine seat.

To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:

1. the utility model discloses in, through being provided with buffering auxiliary plate structure for be convenient for the buffering is assisted and is adjusted the use, and the inboard cover post welded fastening of buffering auxiliary plate is connected on the lift gag lever post, thereby effectively avoids droing, and during pushing down, because of the auxiliary spring and the ring of contradicting of metal decking corner, thereby effectively cushion supplementaryly, avoids adjusting the damage of collision like this.

2. The utility model discloses in, through being provided with negative pole spot welder structure, thereby can effective centre gripping spot welding use, two hole clamp splice welded fastening of negative pole spot welder are connected on the drive expansion bend, thereby be difficult for droing when using, and two hole clamp splice are because of the through-hole of both sides, effective fixed line source presss from both sides the post like this and connects the power clamp post, and the line source presss from both sides the line source in the effective buckle outside of post, thereby be convenient for stabilize spot welding and use, during spot welding, because of connecting the inboard welding post of power clamp post, make the spot welding of being convenient for use.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a high-precision large-current direct-current inversion spot welding machine of the present invention;

FIG. 2 is a schematic view of the structure of the auxiliary buffer plate of the high-precision large-current DC inverter spot welder of the present invention;

FIG. 3 is a schematic structural view of an anode spot welder of the high-precision large-current DC inversion spot welder of the present invention;

fig. 4 is the utility model discloses high accuracy heavy current direct current contravariant spot welder's negative pole spot welder schematic diagram.

In the figure: 1. a buffer auxiliary plate; 11. an auxiliary spring; 12. a contact ring; 13. sleeving a column at the inner side; 14. a metal panel; 2. a pneumatic controller; 3. a lifting limiting rod; 4. a fixed base; 5. driving the telescopic device; 6. sliding the base; 7. a negative spot welder; 71. a wire source clamping column; 72. a two-hole clamping block; 73. welding the column; 74. connecting a power clamp column; 8. supporting the square block; 9. an anode spot welder; 91. a side screw; 92. fixing the clamping block; 93. spot welding the column; 94. and spot welding the metal clamping columns.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 an embodiment: the high-precision large-current direct-current inversion spot welding machine comprises a fixed base 4 and two supporting square blocks 8, wherein the supporting square blocks 8 are fixedly installed at the left side position of the upper end of the fixed base 4, the upper end of each supporting square block 8 is provided with a lifting limiting rod 3, the two lifting limiting rods 3 are arranged, the lifting limiting rods 3 are symmetrically fixed at the corners of the upper end of each supporting square block 8, a sliding machine base 6 is arranged on the periphery of the upper end of each lifting limiting rod 3, the lifting limiting rods 3 and the sliding machine base 6 are fixedly connected in a sleeved mode, fixing bolts are arranged on the outer sides of the connecting positions of the lifting limiting rods 3 and the sliding machine base 6, an air pressure controller 2 is arranged at the outer end of each sliding machine base 6, and a buffer auxiliary plate 1 is arranged above the sliding machine base 6 and located at the upper end of each lifting limiting rod 3;

the buffering auxiliary plate 1 comprises an auxiliary spring 11, a collision circular ring 12, inner side sleeve columns 13 and a metal panel 14, wherein the inner side sleeve columns 13 are arranged on two sides of the lower end of the metal panel 14, the auxiliary spring 11 is arranged on the outer side of each inner side sleeve column 13 and positioned at the corner of the metal panel 14, the collision circular ring 12 is arranged at the lower end of each auxiliary spring 11, and the inner side sleeve columns 13 are connected to the lifting limiting rod 3;

wherein, as shown in fig. 1 and 2, when the mechanism is used, firstly, the fixing base 4 at the lower end of the supporting block 8 is used for effectively installing and fixing, when in use, the two lifting limiting rods 3 are symmetrically fixed on the upper corner of the supporting block 8, so that the sliding machine base 6 is convenient for limiting sliding adjustment, when in adjustment, because the outer side of the joint of the lifting limiting rod 3 and the sliding machine seat 6 is provided with a fixed bolt, thereby the adjustment is more convenient, when the sliding machine seat 6 is adjusted, the lifting limiting rod 3 is convenient to adjust due to the buffer auxiliary plate 1 at the upper end, so as to effectively assist the buffering, the inner side sleeve column 13 of the buffering auxiliary plate 1 is fixedly connected on the lifting limiting rod 3 by welding, therefore, the falling off is effectively avoided, and when the metal panel is pressed downwards, the auxiliary spring 11 and the abutting circular ring 12 at the corner of the metal panel 14 effectively buffer the auxiliary, so that the damage of the adjustment collision is avoided;

a driving expansion piece 5 is arranged on the inner side of the front end of the sliding base 6, and a negative spot welder 7 is arranged at the lower end of the driving expansion piece 5;

the negative spot welder 7 comprises a line source clamping column 71, two hole clamping blocks 72, a welding column 73 and an electric connecting clamping column 74, wherein the line source clamping column 71 is arranged on the inner side of the upper end of each hole clamping block 72, the electric connecting clamping column 74 is arranged on the inner side of the lower end of each hole clamping block 72, the welding column 73 is arranged on the inner side of the front end of the electric connecting clamping column 74, and the two hole clamping blocks 72 are connected to the driving telescopic device 5;

when the mechanism is used, as shown in fig. 1 and 4, firstly, the driving of the driving telescopic device 5 effectively drives the negative spot welder 7 to perform press spot welding, the two hole clamping blocks 72 of the negative spot welder 7 are fixedly welded on the driving telescopic device 5, so that the negative spot welder is not easy to fall off when in use, the two hole clamping blocks 72 effectively fix the line source clamping column 71 and the power connection clamping column 74 due to the through holes on the two sides, the line source clamping column 71 effectively clamps the line source on the outer side, so that the stable spot welding use is facilitated, and the welding column 73 on the inner side of the power connection clamping column 74 is convenient to use in spot welding;

an anode spot welder 9 is arranged on the fixed base 4 below the cathode spot welder 7, the cathode spot welder 7 and the anode spot welder 9 are electrically connected with an external power supply, and the air pressure controller 2 is connected with the driving expansion piece 5 through an air pressure rubber tube;

the anode spot welder 9 comprises a side screw 91, a fixing clamp block 92, a spot welding column 93 and a spot welding metal clamp column 94, the spot welding metal clamp column 94 is arranged on the inner side of the fixing clamp block 92, the side screw 91 is arranged at the joint of the fixing clamp block 92 and the spot welding metal clamp column 94, the spot welding column 93 is arranged on the inner side of the spot welding metal clamp column 94, and the fixing clamp block 92 is connected to the fixing base 4;

when the mechanism is used, firstly, through the contact of the anode spot welder 9 and the cathode spot welder 7, the spot-welded objects are convenient to connect, the fixing clamping block 92 of the anode spot welder 9 is welded on the fixing base 4, so that the falling is effectively avoided, and during spot welding, due to the spot welding column 93 on the inner side of the spot welding metal clamping column 94, the spot welding is convenient to use.

The working principle is as follows: through the unable adjustment base 4 who supports 8 lower extremes of square, effective installation is fixed like this, and when using, fix on the upper end corner of supporting square 8 because of two lift gag lever post 3 symmetries, sliding machine seat 6 is convenient for spacing slide adjusting like this, and during the adjustment, be provided with fixing bolt because of the junction outside of lift gag lever post 3 and sliding machine seat 6, thereby adjust convenience more, later connect negative pole spot welder 7 and positive pole spot welder 9 and external power source's electric connection, make the spot welding of being convenient for use, and pneumatic controller 2 is connected with outside atmospheric pressure pipeline, thereby the spot welding of being convenient for uses.

Sliding machine seat 6 is because of buffering accessory plate 1 of upper end, effective buffering is contradicted like this, buffering accessory plate 1 is by auxiliary spring 11, conflict ring 12, inboard cover post 13 and metal decking 14 constitute, the inboard cover post 13 welded fastening of buffering accessory plate 1 is connected on lift gag lever post 3, thereby effectively avoid droing, and during the pushing down, because of auxiliary spring 11 and the conflict ring 12 of 14 corners of metal decking, thereby effectively cushion supplementarily, avoid adjusting the damage of collision like this. During spot welding, because of pneumatic controller 2 and drive expansion bend 5 pass through the connection of atmospheric pressure rubber tube, drive expansion bend 5 drives negative spot welder 7 and pushes down and contact spot welding with positive spot welder 9 like this, negative spot welder 7 is by line source clamp 71, two hole clamp blocks 72, welding post 73 and connect electric clamp 74 to constitute, two hole clamp blocks 72 welded fastening of negative spot welder 7 are connected on drive expansion bend 5, thereby be difficult for droing when using, and two hole clamp blocks 72 are because of the through-hole of both sides, effectively fix line source clamp 71 and connect electric clamp 74 like this, and the line source outside the effective buckle of line source clamp 71, thereby be convenient for stable spot welding uses, during spot welding, because of connecting the inboard welding post 73 of electric clamp 74, make convenient for spot welding use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (6)

1. High accuracy heavy current direct current contravariant spot welder, including unable adjustment base (4) and support square (8), its characterized in that: the supporting square block (8) is fixedly arranged at the left position of the upper end of the fixed base (4), the upper end of the supporting square block (8) is provided with a lifting limiting rod (3), the periphery of the upper end of the lifting limiting rod (3) is provided with a sliding machine base (6), an air pressure controller (2) is arranged at the outer end of the sliding base (6), a buffer auxiliary plate (1) is arranged above the sliding base (6) and positioned at the upper end of the lifting limiting rod (3), a driving expansion piece (5) is arranged on the inner side of the front end of the sliding machine seat (6), the lower end of the driving expansion piece (5) is provided with a negative spot welder (7), an anode spot welder (9) is arranged below the cathode spot welder (7) and on the fixed base (4), the negative spot welder (7) and the positive spot welder (9) are electrically connected with an external power supply, the air pressure controller (2) is connected with the driving expansion piece (5) through an air pressure rubber pipe.

2. The high-precision large-current direct-current inverter spot welder according to claim 1, characterized in that: the buffer auxiliary plate (1) comprises an auxiliary spring (11), a collision ring (12), inner side sleeve columns (13) and a metal panel (14), wherein the inner side sleeve columns (13) are arranged on two sides of the lower end of the metal panel (14), the auxiliary spring (11) is arranged on the corner, located on the metal panel (14), of the outer side of each inner side sleeve column (13), the lower end of each auxiliary spring (11) is provided with the collision ring (12), and the inner side sleeve columns (13) are connected to the lifting limiting rod (3).

3. The high-precision large-current direct-current inverter spot welder according to claim 1, characterized in that: anode spot welding ware (9) include side screw (91), fixed clamp splice (92), spot welding post (93) and spot welding metal clip post (94), the inboard of fixed clamp splice (92) is provided with spot welding metal clip post (94), the junction of fixed clamp splice (92) and spot welding metal clip post (94) is provided with side screw (91), the inboard of spot welding metal clip post (94) is provided with spot welding post (93), fixed clamp splice (92) are connected on unable adjustment base (4).

4. The high-precision large-current direct-current inverter spot welder according to claim 1, characterized in that: the negative spot welding device (7) comprises a line source clamping column (71), two hole clamping blocks (72), a welding column (73) and an electric connecting clamping column (74), the line source clamping column (71) is arranged on the inner side of the upper end of each hole clamping block (72), the electric connecting clamping column (74) is arranged on the inner side of the lower end of each hole clamping block (72), the welding column (73) is arranged on the inner side of the front end of the electric connecting clamping column (74), and the two hole clamping blocks (72) are connected to the driving expansion piece (5).

5. The high-precision large-current direct-current inverter spot welder according to claim 1, characterized in that: the lifting limiting rods (3) are arranged in two numbers, and the lifting limiting rods (3) are symmetrically fixed on the upper corners of the supporting square blocks (8).

6. The high-precision large-current direct-current inverter spot welder according to claim 1, characterized in that: the lifting limiting rod (3) is fixedly connected with the sliding machine seat (6) in a sleeved mode, and a fixing bolt is arranged on the outer side of the joint of the lifting limiting rod (3) and the sliding machine seat (6).

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