CN210878068U

CN210878068U - Spot welding machine

Info

Publication number: CN210878068U
Application number: CN201921804062.2U
Authority: CN
Inventors: 王仲华
Original assignee: Hangzhou Rongyun Stamping Parts Co ltd
Current assignee: Hangzhou Rongyun Stamping Parts Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-30
Anticipated expiration: 2029-10-24

Abstract

The utility model relates to a spot welder relates to welding process's technical field, and it includes the body, be provided with the workstation on the body, be provided with the bottom electrode on the workstation, be provided with the support frame that is located the workstation top on the body, install the cylinder of vertical setting on the support frame, be connected with the electrode on the piston rod of cylinder, be provided with the location frock on the workstation, the location frock is including the mount pad that is used for mounting nut and the mounting bracket of installation bedplate, the mount pad is located the bottom electrode, the vertical setting of mounting bracket, mounting bracket are fixed with the connecting rod with mounting bracket vertically towards one side of workstation, be provided with on the workstation with connecting rod complex spliced eye. The utility model has the advantages of improve the positioning accuracy, avoid welding partially.

Description

Spot welding machine

Technical Field

The utility model belongs to the technical field of welding process's technique and specifically relates to a spot welder is related to.

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 electrode along the two workpieces to form a loop, and the internal structure of the workpiece to be welded is not damaged.

Chinese patent with publication number CN205520049U discloses a spot welding machine, the utility model discloses a spot welding machine body, control box, a supporting bench, electrode, spray tube and protection casing, spot welding machine body are provided with a supporting bench, and a supporting bench has two and sets up respectively in the upper portion and the middle part of spot welding machine body one side, and the electrode has two and sets up relatively on a supporting bench, and the control box sets up on spot welding machine body, and the spout setting of spray tube is near the electrode, and the protection casing sets up between a supporting bench and with including electrode and spray tube surround, and the protection casing both sides are provided with the opening.

The above prior art solutions have the following drawbacks: need weld nut on the turn-ups of bedplate in processing metal seat course of working to pass through the bolt fastening with the back on the bedplate, when using above-mentioned spot welder to weld, need handheld bedplate, can't pinpoint, when staff's operation is unskilled or the operation is improper, the phenomenon that welds partially easily appears, welding quality receives the human factor to influence great.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spot welder has the improvement positioning accuracy degree, avoids welding partially advantage.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a spot welder, includes the body, be provided with the workstation on the body, be provided with the bottom electrode on the workstation, be provided with the support frame that is located the workstation top on the body, install the cylinder of vertical setting on the support frame, be connected with electrode, its characterized in that on the piston rod of cylinder: the utility model discloses a positioning tool, including the mounting bracket of installation base and installation bedplate, the mounting bracket is fixed with the connecting rod perpendicular with the mounting bracket, the workstation is last to be provided with the location frock, the location frock is including the mounting bracket that is used for mounting nut and installation bedplate, the mounting bracket is located down the electrode, the vertical setting of mounting bracket, one side of mounting bracket towards the workstation is fixed with the connecting rod with the mounting bracket vertically, be provided with on the workstation with connecting rod complex spliced eye.

By adopting the technical scheme, during welding, the nut is installed in the installation seat, then the installation frame is horizontally pulled to enable the connecting rod to slide along the insertion hole, the installation frame is far away from the workbench to avoid the workbench from interfering installation of the seat plate, then the seat plate is installed on the installation frame, the installation frame is horizontally pushed again to enable the installation frame to move towards the direction close to the workbench until the nut is abutted against the seat plate, the air cylinder is started, the air cylinder piston rod drives the upper electrode to move downwards until the upper electrode is abutted against the seat plate, and welding is started; the bedplate is spacing through the mount pad, has improved positioning accuracy, avoids welding partially.

The utility model discloses further set up to: the mounting bracket comprises two parallel supporting plates, one ends of the two supporting plates are connected through a connecting plate vertically arranged with the two supporting plates, a sliding groove is formed in one side, opposite to the two supporting plates, of the two supporting plates, and a clearance groove is formed in each of the supporting plates and the connecting plate.

By adopting the technical scheme, the workpiece is inserted into the mounting frame along the sliding groove, so that the workpiece is convenient to mount; and the support plate and the connecting plate are respectively provided with a clearance groove, so that the upper electrode can penetrate through the mounting frame to contact with the workpiece.

The utility model discloses further set up to: the one end that the connecting plate was kept away from to the backup pad articulates through the pivot of vertical setting has the baffle, the baffle both ends are the adhesive fixation respectively and have magnet one, the backup pad is close to the one end adhesive fixation of baffle and has magnet two.

Through adopting above-mentioned technical scheme, during the installation work piece, open the baffle, insert the mounting bracket with the work piece after, rotating the baffle makes it and work piece butt, and the work piece removes and leads to welding badly when avoiding welding.

The utility model discloses further set up to: the mounting seat is provided with a positioning groove.

Through adopting above-mentioned technical scheme, the constant head tank is fixed a position the nut, avoids the nut skew, improves welding precision.

The utility model discloses further set up to: the connecting rod is located the mounting bracket central point and puts, and rotates with the spliced eye and be connected.

Through adopting above-mentioned technical scheme, rotate the mounting bracket around the connecting rod, can make the bedplate rotatory, can weld a plurality of directions of bedplate in succession, needn't take off the bedplate, improved work efficiency.

The utility model discloses further set up to: the limiting mechanism is arranged on the workbench and used for limiting circumferential rotation of the connecting rod, the limiting mechanism comprises a clamping ring which is coaxially arranged with the insertion hole, one end of the clamping ring is fixedly connected to the workbench, a plurality of clamping grooves are formed in the other end of the clamping ring at intervals along the circumferential direction, and clamping blocks matched with the clamping grooves are arranged on the side wall of the connecting rod.

Through adopting above-mentioned technical scheme, during the welding, the circumferential direction of restriction mounting bracket is mutually supported to fixture block and draw-in groove, and after accomplishing the welding of bedplate one side, moves the mounting bracket along the spliced eye to keeping away from the snap ring direction, breaks away from the draw-in groove until the fixture block, then rotatory mounting bracket.

The utility model discloses further set up to: the connecting rod is located the one end lateral wall in the spliced eye and offers the waist type groove parallel rather than the axis, threaded connection has spacing bolt on the mount pad, spacing bolt passes mount pad and waist type groove sliding connection.

Through adopting above-mentioned technical scheme, spacing bolt is pegged graft perpendicularly in waist type inslot, carries on spacingly to the connecting rod, avoids the connecting rod to roll off the spliced eye completely.

The utility model discloses further set up to: the worktable is provided with a plurality of lower electrodes at intervals, and the upper electrodes and the lower electrodes are correspondingly provided with a plurality of lower electrodes.

Through adopting above-mentioned technical scheme, can once weld a plurality of nuts to the bedplate, improve work efficiency.

To sum up, the utility model discloses a beneficial technological effect does:

1. the nut and the seat plate are limited through the mounting seat and the mounting frame respectively, so that the positioning accuracy is improved, and welding deviation is avoided;

2. the mounting bracket passes through the connecting rod to be connected with the workstation rotation, and rotatory mounting bracket can weld the different sides of bedplate, needn't take off the bedplate and install again, has promoted work efficiency.

Drawings

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

FIG. 2 is a schematic view of a portion of the table of FIG. 1;

FIG. 3 is a partial structural schematic view of the mount of FIG. 1;

fig. 4 is a partially enlarged schematic view of a in fig. 3.

In the figure, 1, a body; 2. a work table; 3. a base; 4. a lower electrode; 5. a support frame; 6. a cylinder; 7. a mounting frame; 71. a support plate; 72. a connecting plate; 73. a chute; 74. a rotating shaft; 75. a baffle plate; 76. a magnet I; 77. a second magnet; 78. a support; 8. an upper electrode; 9. mounting a plate; 10. a mounting seat; 11. positioning a groove; 12. a connecting rod; 13. inserting holes; 14. a snap ring; 15. a card slot; 16. a clamping block; 17. a waist-shaped groove; 18. a limit bolt; 19. and (5) avoiding a clearance groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a spot welder, including body 1, be provided with workstation 2 on body 1, welded fastening has base 3 on workstation 2, and fixed mounting has bottom electrode 4 on the base 3, is provided with the support frame 5 that is located workstation 2 top on body 1, installs the cylinder 6 of vertical setting on the support frame 5, and welded fastening has mounting panel 9 on the piston rod of cylinder 6, and fixed mounting has the last electrode 8 that corresponds with bottom electrode 4 on mounting panel 9, is provided with the location frock on workstation 2.

In order to improve the welding efficiency, the lower electrodes 4 are arranged at intervals, and the upper electrodes 8 are arranged corresponding to the lower electrodes 4.

Referring to fig. 1 and 2, the positioning tool includes a mounting seat 10 for mounting a nut and a mounting frame 7 for mounting a seat plate, the bottom of the mounting seat 10 is sleeved on the lower electrode 4, and the top of the mounting seat is provided with a positioning groove 11 in accordance with the shape of the nut.

Referring to fig. 3 and 4, the mounting frame 7 includes two support plates 71 arranged in parallel, one ends of the two support plates 71 are connected through a connecting plate 72 arranged perpendicular to the two support plates 71, a sliding groove 73 is formed in one side opposite to the two support plates 71, one end, far away from the connecting plate 72, of each support plate 71 is hinged to a baffle 75 through a rotating shaft 74 arranged vertically, two ends of each baffle 75 are respectively fixed with a first magnet 76 in an adhesive manner, and one end, close to the baffle 75, of each support plate 71 is fixed with a second magnet 77; when the seat plate is installed, the baffle 75 is opened by rotating the baffle 75 around the rotating shaft 74, then the workpiece is inserted into the mounting frame 7 along the sliding groove 73, and the baffle 75 is closed under the attraction force of the first magnet 76 and the second magnet 77.

Referring to fig. 2 and 3, a bracket 78 is fixedly welded on one side of the support plate 71 facing the workbench 2, a connecting rod 12 is fixedly welded in the center of the bracket 78, an insertion hole 13 matched with the connecting rod 12 is formed in the workbench 2, a clamping ring 14 is coaxially arranged on the workbench 2 and the insertion hole 13, four clamping grooves 15 are uniformly formed in one end of the clamping ring 14 facing the support plate 71 along the circumferential direction, and four clamping blocks 16 matched with the clamping grooves 15 are arranged on the side wall of the connecting rod 12; during the welding, the fixture block 16 and the draw-in groove 15 mutually support and restrict the circumferential direction of mounting bracket 7, and when accomplishing the welding back of bedplate one side, remove mounting bracket 7 to keeping away from 14 directions of snap ring along spliced eye 13, break away from draw-in groove 15 until fixture block 16, then rotatory mounting bracket 7 removes mounting bracket 7 to being close to 14 directions of snap ring along spliced eye 13, go into draw-in groove 15 again until fixture block 16.

In order to prevent the connecting rod 12 from completely sliding out of the insertion hole 13, a waist-shaped groove 17 parallel to the axis of the connecting rod 12 is formed in the side wall of one end of the connecting rod 12 located in the insertion hole 13, a limiting bolt 18 is connected to the mounting seat 10 in a threaded manner, and the limiting bolt 18 penetrates through the mounting seat 10 and is in sliding connection with the waist-shaped groove 17.

In order to enable the upper electrode 8 to pass through the mounting frame 7 to contact with the workpiece, clearance grooves 19 are respectively formed on the supporting plate 71, the connecting plate 72 and the baffle plate 75.

The implementation principle of the embodiment is as follows: during welding, the nut is installed in the positioning groove 11 on the installation seat 10, the installation frame 7 is moved towards the direction far away from the clamping ring 14 along the insertion hole 13 until the clamping block 16 is separated from the clamping groove 15, then the seat plate is installed in the installation frame 7, the installation frame 7 is pushed towards the direction of the workbench 2, the clamping block 16 is clamped into the clamping groove 15, the air cylinder 6 is started, and the piston rod of the air cylinder 6 extends out to drive the upper electrode 8 to descend for welding; after welding one side of bedplate, remove mounting bracket 7 to keeping away from snap ring 14 direction along spliced eye 13, break away from draw-in groove 15 until fixture block 16, then rotatory mounting bracket 7, after rotatory suitable angle around connecting rod 12 with mounting bracket 7, remove mounting bracket 7 to being close to snap ring 14 direction along spliced eye 13, go into draw-in groove 15 again until fixture block 16, continue to weld and weld

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a spot welder, includes body (1), be provided with workstation (2) on body (1), be provided with bottom electrode (4) on workstation (2), be provided with support frame (5) that are located workstation (2) top on body (1), install cylinder (6) of vertical setting on support frame (5), be connected with on the piston rod of cylinder (6) electrode (8), its characterized in that: be provided with the location frock on workstation (2), the location frock is including mount pad (10) that are used for mounting nut and mounting bracket (7) of installation bedplate, mount pad (10) are located bottom electrode (4), the vertical setting of mounting bracket (7), mounting bracket (7) are fixed with mounting bracket (7) vertically connecting rod (12) towards one side of workstation (2), be provided with on workstation (2) with connecting rod (12) complex spliced eye (13).

2. A spot welder according to claim 1, characterized in that: mounting bracket (7) include two parallel arrangement's backup pad (71), and the one end of two backup pad (71) is connected through connecting plate (72) rather than perpendicular setting, and spout (73) have been seted up to one side that two backup pad (71) are relative, have seted up respectively on backup pad (71) and connecting plate (72) and have kept away dead slot (19).

3. A spot welder according to claim 2, characterized in that: one end, far away from connecting plate (72), of supporting plate (71) is hinged to a baffle (75) through a rotating shaft (74) which is vertically arranged, two ends of baffle (75) are respectively and fixedly provided with a first magnet (76), and one end, close to baffle (75), of supporting plate (71) is fixedly provided with a second magnet (77).

4. A spot welder according to claim 3, characterized in that: the mounting seat (10) is provided with a positioning groove (11).

5. A spot welder according to claim 4, characterized in that: the connecting rod (12) is positioned at the center of the mounting rack (7) and is rotatably connected with the plug hole (13).

6. A spot welder according to claim 5, characterized in that: be provided with limiting connection rod (12) circumferential direction's stop gear on workstation (2), stop gear includes snap ring (14) with plug-in hole (13) coaxial setting, snap ring (14) one end fixed connection is on workstation (2), and a plurality of draw-in grooves (15) have been seted up along circumference interval to the other end, connecting rod (12) lateral wall set up with draw-in groove (15) complex fixture block (16).

7. A spot welder according to claim 6, characterized in that: the connecting rod (12) is located one end lateral wall in spliced eye (13) and is seted up waist type groove (17) rather than the axis parallel, threaded connection has spacing bolt (18) on mount pad (10), spacing bolt (18) pass mount pad (10) and waist type groove (17) sliding connection.

8. A spot welder according to claim 1, characterized in that: the workbench (2) is provided with a plurality of lower electrodes (4) at intervals, and the upper electrodes (8) and the lower electrodes (4) are correspondingly provided with a plurality of lower electrodes.