CN211638650U

CN211638650U - Spot welding machine with limiting function

Info

Publication number: CN211638650U
Application number: CN202020061823.6U
Authority: CN
Inventors: 罗光斌
Original assignee: Chongqing Maierda Machinery Co ltd
Current assignee: Chongqing Maierda Machinery Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-09
Anticipated expiration: 2030-01-13

Abstract

The utility model relates to the technical field of electric welding machines, in particular to a spot welding machine with a limiting function, which comprises a machine body and a lower gun cylinder, wherein the inner side of the machine body is fixedly connected with the lower gun cylinder, the lower end of the lower gun cylinder is fixedly connected with a sliding column, the outer side of the sliding column is slidably connected with the machine body, the lower end of the sliding column is fixedly connected with a welding box, the left end of the welding box is fixedly connected with a welding head, the outer side of the welding box is fixedly connected with a limiting rod, the outer side of the limiting rod is slidably connected with a limiting frame, the inner side of the limiting frame is rotatably connected with a limiting bolt, and the outer; the utility model discloses in, through spacing, gag lever post, spacing bolt, centering cylinder, die clamping cylinder and the locating piece that sets up, can realize the spacing of butt joint stroke, can adjust spacing degree according to the work piece size simultaneously, in addition, can realize that the automatic positioning of work piece presss from both sides tightly, the welding of being convenient for.

Description

Spot welding machine with limiting function

Technical Field

The utility model relates to an electric welding technical field specifically is a spot welder with limit function.

Background

The spot welder adopts the principle of double-sided double-point overcurrent welding, two electrodes pressurize a workpiece to enable two layers of metal to form certain contact resistance under the pressure of the two electrodes during working, welding current forms instant heat welding at two contact resistance points when flowing through the other electrode from one electrode, the welding current flows to the electrode from the other electrode along the two workpieces to form a loop instantly, and the internal structure of a workpiece to be welded can not be damaged.

At present, most spot welding machines used in the market do not have a limiting function, when the feeding amount of an input control system is larger than the distance between the spot welding machine and a workpiece, a welding head may be caused to weld through the workpiece, in addition, in the welding process, the phenomena of inaccurate workpiece positioning and unreliable clamping exist, the welding effect is poor, and therefore the spot welding machine with the limiting function is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spot welder with limit function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a spot welder with limit function, includes organism and rifle cylinder down, the organism inboard with rifle cylinder fixed connection down, rifle cylinder lower extreme fixedly connected with traveller down, the traveller outside and organism sliding connection, traveller lower extreme fixedly connected with welding case, welding case left end fixedly connected with soldered connection, welding case outside fixedly connected with gag lever post, gag lever post outside sliding connection has spacing, spacing inboard rotates and is connected with spacing bolt, the spacing bolt outside rotates with the organism to be connected.

Preferably, the lower end of the welding head is provided with a workbench, the lower end of the workbench is fixedly connected with the machine body, the inner side of the workbench is fixedly connected with a centering cylinder, the left end of the centering cylinder is fixedly connected with a positioning block, the outer side of the positioning block is slidably connected with the workbench, the left side of the positioning block is provided with a reference block, and the lower end of the reference block is fixedly connected with the workbench.

Preferably, the up end fixedly connected with die clamping cylinder of workstation, the inboard fixedly connected with of die clamping cylinder presss from both sides tight piece, die clamping cylinder's quantity is 2, and die clamping cylinder symmetric distribution is both sides around the workstation up end.

Preferably, the middle part of the upper end of the workbench is provided with a sliding chute, and the inner side of the sliding chute is connected with the positioning block in a sliding manner.

Preferably, both ends all seted up the screw hole around the organism, the screw hole inboard is connected with spacing bolt rotation, spacing one end is seted up the through-hole, the through-hole inboard is connected with spacing bolt rotation.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the arranged limiting frame, the limiting rod and the limiting bolt, the lower gun cylinder operates to push the sliding column, the sliding column slides in the machine body to push the welding box to move downwards, the welding box drives the welding head to weld a workpiece, the limiting frame is sleeved outside the limiting rod, the limiting frame is fixedly connected with the machine body by the limiting bolt, a proper threaded hole is selected according to the size of the workpiece, the limiting bolt is screwed in, when the welding box moves downwards to the maximum stroke, the limiting rod moves to the lowest end of the limiting frame, at the moment, the limiting rod can not move downwards any more, and the farthest stroke position is reached, the limiting of the stroke of the welding head can be realized by the arrangement, and meanwhile, the limiting degree can be adjusted according to the size of the workpiece;

2. the utility model discloses in, through the centering cylinder, die clamping cylinder and the locating piece that set up, place the work piece in the workstation upper end, start the centering cylinder, the centering cylinder promotes the locating piece and slides in the spout of workstation, and the locating piece promotes the work piece to the right side and contacts with the reference block, starts the die clamping cylinder of both sides, and die clamping cylinder drives and presss from both sides tight piece and can press from both sides the work piece tightly, and the automatic positioning that this kind of setting can realize the work piece is pressed from both sides tightly, the welding of being convenient for.

Drawings

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

fig. 2 is a left side view of the present invention;

FIG. 3 is a schematic view of the installation structure of the workbench of the present invention;

fig. 4 is the overall structure diagram of the limiting frame of the present invention.

In the figure: 1-machine body, 2-gun-falling cylinder, 3-sliding column, 4-welding box, 5-welding head, 6-limiting rod, 7-limiting frame, 8-limiting bolt, 9-workbench, 10-centering cylinder, 11-positioning block, 12-reference block, 13-clamping cylinder, 14-clamping block, 15-sliding groove, 16-threaded hole and 17-through hole.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a spot welder with limit function, includes organism 1 and lower rifle cylinder 2, 1 inboard and 2 fixed connection of lower rifle cylinder of organism, 2 lower extreme fixedly connected with travelers 3 of lower rifle cylinder, 3 outsides of travelers and 1 sliding connection of organism, 3 lower extreme fixedly connected with welding case 4 of travelers, 4 left end fixedly connected with soldered connection 5 of welding case, 4 outside fixedly connected with gag lever post 6 of welding case, 6 outside sliding connection of gag lever post have spacing 7, 7 inboard rotations of spacing are connected with stop bolt 8, the 8 outsides of stop bolt rotate with organism 1 and are connected.

The lower end of the welding head 5 is provided with a workbench 9, the lower end of the workbench 9 is fixedly connected with the machine body 1, the inner side of the workbench 9 is fixedly connected with a centering cylinder 10, the left end of the centering cylinder 10 is fixedly connected with a positioning block 11, the outer side of the positioning block 11 is in sliding connection with the workbench 9, the left side of the positioning block 11 is provided with a reference block 12, the lower end of the reference block 12 is fixedly connected with the workbench 9, the arrangement is favorable for positioning a workpiece, the upper end surface of the workbench 9 is fixedly connected with a clamping cylinder 13, the inner side of the clamping cylinder 13 is fixedly connected with a clamping block 14, the number of the clamping cylinders 13 is 2, the clamping cylinders 13 are symmetrically distributed at the front side and the rear side of the upper end surface of the workbench, the middle part of the upper end of the workbench 9 is provided with a sliding chute 15, the inner side of the sliding connection with the positioning block 11, the inner side of the threaded hole 16 is rotatably connected with the limiting bolt 8, one end of the limiting frame 7 is provided with a through hole 17, the inner side of the through hole 17 is rotatably connected with the limiting bolt 8, and the arrangement is favorable for limiting the welding head 5.

The working process is as follows: the electric appliances are all externally connected power supplies, the lower gun cylinder 2 operates to push the sliding column 3, the sliding column 3 slides in the machine body 1 to push the welding box 4 to move downwards, welding is carried out, the welding head 5 is driven by the sliding column 4 to weld workpieces, the limiting frame 7 is sleeved outside the limiting rod 6, the limiting frame 7 is fixedly connected with the machine body 1 through the limiting bolt 8, a proper threaded hole 16 is selected according to the size of the workpieces, the limiting bolt 8 is screwed in, when the welding box 4 moves downwards to the maximum stroke, the limiting rod 6 moves to the lowest end of the limiting frame 7, at the moment, the limiting rod 6 cannot move downwards any more to reach the farthest stroke, the arrangement can limit the stroke of the welding head 5, meanwhile, the limiting degree can be adjusted according to the size of the workpieces, the workpieces are placed at the upper end of the workbench 9, the centering cylinder 10 is started, the centering cylinder 10 pushes the positioning block 11 to slide in the chute 15 of the workbench 9, the positioning block 11 pushes the workpiece to the right side to be in contact with the reference block 12, the clamping cylinders 13 on the two sides are started, the clamping cylinders 13 drive the clamping blocks 14 to clamp the workpiece, and the workpiece can be automatically positioned and clamped by the aid of the clamping cylinders, so that welding is facilitated.

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

Claims

1. The utility model provides a spot welder with limit function, includes organism (1) and rifle cylinder (2) down, its characterized in that: organism (1) inboard and lower rifle cylinder (2) fixed connection, rifle cylinder (2) lower extreme fixedly connected with traveller (3) down, traveller (3) outside and organism (1) sliding connection, traveller (3) lower extreme fixedly connected with welding case (4), welding case (4) left end fixedly connected with soldered connection (5), welding case (4) outside fixedly connected with gag lever post (6), gag lever post (6) outside sliding connection has spacing (7), spacing (7) inboard rotation is connected with spacing bolt (8), the spacing bolt (8) outside rotates with organism (1) to be connected.

2. The spot welding machine with the limiting function according to claim 1, wherein: the welding head (5) lower extreme is equipped with workstation (9), workstation (9) lower extreme and organism (1) fixed connection, workstation (9) inboard fixedly connected with centering cylinder (10), centering cylinder (10) left end fixedly connected with locating piece (11), locating piece (11) outside and workstation (9) sliding connection, locating piece (11) left side is equipped with reference block (12), reference block (12) lower extreme and workstation (9) fixed connection.

3. A spot welder with limiting function according to claim 2, characterized in that: workstation (9) up end fixedly connected with die clamping cylinder (13), die clamping cylinder (13) inboard fixedly connected with presss from both sides tight piece (14), the quantity of die clamping cylinder (13) is 2, and die clamping cylinder (13) symmetric distribution both sides around the workstation up end.

4. A spot welder with limiting function according to claim 2, characterized in that: a sliding groove (15) is formed in the middle of the upper end of the workbench (9), and the inner side of the sliding groove (15) is connected with the positioning block (11) in a sliding mode.

5. The spot welding machine with the limiting function according to claim 1, wherein: both ends all seted up screw hole (16) around organism (1), screw hole (16) inboard is rotated with spacing bolt (8) and is connected, through-hole (17) have been seted up to spacing (7) one end, through-hole (17) inboard is rotated with spacing bolt (8) and is connected.