CN112676686B

CN112676686B - Resistance spot welding electrode and positioning device

Info

Publication number: CN112676686B
Application number: CN202011513453.6A
Authority: CN
Inventors: 张小奇; 赵洁婷; 吴迪
Original assignee: Changchun Normal University
Current assignee: Changchun Normal University
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2022-02-25
Anticipated expiration: 2040-12-17
Also published as: CN112676686A

Abstract

The invention discloses a resistance spot welding electrode and a positioning device, which comprises a supporting seat, wherein a spot welding machine body is fixedly connected to one side of the supporting seat, a spot welding device is arranged at the front end of the spot welding machine body through an installation seat, positioning mechanisms are arranged on two sides of the spot welding device and are respectively positioned on two sides of the bottom end of the installation seat, the upper ends of the two positioning mechanisms are respectively connected with the installation seat through limiting mechanisms, a containing groove is arranged at the upper end of the supporting seat, a placing plate is arranged in the containing groove and is connected with the containing groove through an adjusting mechanism, a clamping mechanism is arranged at the upper end of the placing plate, extruding mechanisms are arranged on two sides of the supporting seat, and the two extruding mechanisms respectively correspond to two sides of the containing groove, and the invention has the advantages that: can guarantee panel stability in the spot welding process to guarantee the accurate nature of spot welding, simultaneously, it is more convenient to positioning mechanism's installation and dismantlement, and the later stage of being convenient for carries out the coping to the spot welding cap, labour saving and time saving.

Description

Resistance spot welding electrode and positioning device

Technical Field

The invention relates to a resistance spot welding electrode and a positioning device, and belongs to the technical field of resistance spot welding.

Background

The resistance spot welding utilizes a spot welding machine to weld crossed reinforcing steel bars, and can be formed into a reinforcing steel bar mesh or a framework to replace manual binding. Compared with manual binding, the electric welding has the characteristics of high efficiency, labor saving, good finished product integrity, material saving, cost reduction and the like, and spot welding machines adopted by spot welding comprise single-point spot welding machines (mainly used for welding thicker steel bars), multipoint spot welding machines (mainly used for welding steel bar meshes) and suspension type spot welding machines (large steel bar meshes and steel bar frameworks which can be moved freely and can be welded in various geometric shapes).

Present panel generally all is artifical handheld panel at spot welding in-process, and artifical handheld panel welds has certain danger, also can appear the skew phenomenon among the welding process, influences the spot welding accuracy nature, in order to guarantee the spot welding accuracy, also need set up auxiliary positioning device, and positioner need dismantle when the point welding device coping, and current positioner installation is all more troublesome with the dismantlement, wastes time and energy.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, a plate is generally manually held in a spot welding process, the plate is welded by manually holding the plate with a certain risk, the spot welding accuracy is influenced due to the fact that an offset phenomenon also occurs in the welding process, an auxiliary positioning device is required to be arranged to ensure the spot welding accuracy, the positioning device needs to be detached when the spot welding device is repaired, and the existing positioning device is troublesome to mount and detach, time-consuming and labor-consuming.

In order to achieve the purpose, the invention adopts the following technical scheme:

a resistance spot welding electrode and a positioning device are designed, and comprise a supporting seat, wherein a spot welding machine body is fixedly connected to one side of the supporting seat, a spot welding device is arranged at the front end of the spot welding machine body through an installation seat, positioning mechanisms are arranged on two sides of the spot welding device and are respectively located on two sides of the bottom end of the installation seat, the upper ends of the two positioning mechanisms are connected with the installation seat through limiting mechanisms, an accommodating groove is formed in the upper end of the supporting seat, a placing plate is arranged in the accommodating groove and is connected with the accommodating groove through an adjusting mechanism, a clamping mechanism is arranged at the upper end of the placing plate, extruding mechanisms are arranged on two sides of the supporting seat, and the two extruding mechanisms respectively correspond to two sides of the accommodating groove;

the two extrusion mechanisms respectively comprise a mounting frame, a first screw rod, a control block, two mounting grooves, two vertical rods, a first extrusion plate, a second extrusion plate, two fixed columns and a plurality of extrusion blocks, the mounting frame is fixedly connected with the two sides of the upper end of the supporting seat, the central position of the two mounting frames is respectively in threaded connection with the first screw rod, the two first screw rods respectively penetrate through the corresponding mounting frame, the end part of the top end of each first screw rod is fixedly connected with the control block, the first extrusion plate and the second extrusion plate are respectively arranged in the two mounting frames, the two first extrusion plates are respectively positioned right above the corresponding second extrusion plate, the two first extrusion plates and the corresponding second extrusion plates are respectively and fixedly connected through the two fixed columns, the mounting grooves are respectively arranged on the two side walls, the vertical rods are respectively and fixedly connected in the two mounting grooves, the two sides of the first extrusion plates and the two second extrusion plates are respectively movably sleeved with the corresponding vertical rods, the central positions of the upper ends of the two first extrusion plates are rotatably connected with the end parts of the bottom ends of the corresponding first screw rods, and a plurality of extrusion blocks are uniformly fixed at the bottom ends of the two second extrusion plates;

two positioning mechanism all includes installation piece, recess, two reference columns, a plurality of constant head tank, two constant head tanks and a plurality of side channel, two mount pad bottom both sides all are equipped with the recess, two installation piece upper end all is located corresponding the recess, two the equal fixedly connected with two reference columns in installation piece bottom, four the reference column bottom outside evenly is fixed with a plurality of constant head tanks, four the constant head tank all sets up in the supporting seat upper end, four all be equipped with a plurality of side channels on the constant head tank lateral wall, it is a plurality of the side channel upper end all communicates with the supporting seat upper end.

Preferably, the adjusting mechanism comprises a second screw rod, a rotating block and two guide pillars, the second screw rod is rotatably connected in the accommodating groove, one end of the second screw rod extends out of the supporting seat, the end part of the second screw rod, which extends out of the supporting seat, is fixedly connected with the rotating block, the two guide pillars are respectively located on two sides of the second screw rod, the two guide pillars are fixedly connected with the side wall of the accommodating groove, the two guide pillars are parallel to the second screw rod, the placing plate is in threaded connection with the second screw rod at the central position, and two sides of the placing plate are movably sleeved with the corresponding guide pillars.

Preferably, fixture includes two mounting panels, two grip blocks and a plurality of first spring, place the equal fixedly connected with mounting panel in board both sides, two be equipped with two grip blocks between the mounting panel, two the grip block corresponds, two a plurality of first springs of equal fixedly connected with between grip block and the corresponding mounting panel.

Preferably, two stop gear all includes curb plate, four spliced poles, two spacing posts, pulling plate, two second springs and two through-holes, the mount pad both sides are all through four spliced pole fixedly connected with curb plates, four spacing post one end all runs through corresponding curb plate and inserts in corresponding the recess, four spacing post all passes through corresponding mounting block through corresponding through-hole, four spacing post other ends respectively with two pulling plate fixed connection, two pulling plate and correspond two second springs of equal fixedly connected with between the curb plate, four the second spring is established respectively that four spacing posts are peripheral at the cover.

Preferably, two all be equipped with two spacing grooves on the recess lateral wall, four the one end that spacing post passed the installation piece all inserts corresponding spacing inslot, four the spacing groove all with correspond spacing post looks adaptation.

Preferably, four the spacing post all with correspond curb plate, mount pad and installation piece activity cup joint, four the spacing post all with correspond the through-hole looks adaptation.

Preferably, the four positioning columns correspond to the four positioning grooves respectively, the four positioning columns are matched with the corresponding positioning grooves, and the plurality of positioning blocks are matched with the plurality of side grooves respectively.

Preferably, the bottom ends of the extrusion blocks are fixedly sleeved with rubber blocks, and the extrusion blocks correspond to the placing plate.

Preferably, the spot welding device comprises a spot welding head, a spot welding cap, two fixed blocks, two insertion rods, two pull blocks, two insertion slots, two sleeve blocks and two third springs, the center of the bottom end of the mounting seat is fixedly connected with a spot welding head, the bottom end of the spot welding head is fixedly sleeved with a spot welding cap, the two sides of the spot welding head are respectively provided with a fixed block, the two fixed blocks are both fixedly connected with the bottom end of the mounting seat, the two insertion rods are respectively movably sleeved with the lower ends of the two fixed blocks, the back ends of the two insertion rods are both fixedly connected with a pulling block, the spot welding cap is characterized in that slots are formed in two sides of the spot welding cap, opposite ends of the two insertion rods are inserted into the corresponding slots, sleeve blocks are fixedly sleeved on the outer sides of the ends, close to the spot welding cap, of the insertion rods, third springs are fixedly connected between the sleeve blocks and the corresponding fixed blocks, and the third springs are sleeved on the peripheries of the two insertion rods respectively.

Preferably, the horizontal height of the bottom end parts of the four positioning columns is smaller than that of the bottom end parts of the spot welding caps.

The invention provides a resistance spot welding electrode and a positioning device, which have the beneficial effects that:

1. place panel on placing the board, place the board both sides and can extrude two grip blocks, make two grip blocks move back to back, extrude a plurality of first springs during two grip blocks move back to back, two grip blocks extrude panel both sides through the effort of a plurality of first springs, thereby carry out preliminary location to panel, rotate two control blocks again, two control blocks drive two first screws and rotate, two first stripper plates and two second stripper plates move down through the drive that corresponds first screw, utilize a plurality of stripper blocks to extrude panel both sides, further fix a position panel, guarantee the stability of panel, prevent that panel from appearing the skew phenomenon at spot welding in-process, guarantee the spot welding effect.

2. According to actual spot welding position, drive the second screw rod through the turning block and rotate, utilize the second screw rod to drive and place the board and remove to can adjust the spot welding position of panel, at the spot welding in-process, utilize four reference columns and four constant head tanks to cooperate, in addition a plurality of locating pieces cooperate with a plurality of side channels, guarantee spot welding device at the stability of removal in-process, thereby guarantee the accurate nature of spot welding.

3. Through two spacing posts of pulling plate pulling, make two spacing posts with correspond spacing groove and installation piece separation, thereby can dismantle the installation piece, two spacing posts can make the second spring be in tensile state at the removal in-process, be convenient for follow-up installation to the installation piece, through convenient installation and dismantlement installation piece, can conveniently carry out the coping to the spot welding cap, time saving and labor saving, and simultaneously, can audio-visual observation to the in service behavior of spot welding cap through two inserted bars, when the distance of spot welding cap bottom tip and two inserted bars is more near, it is more serious to explain the wearing and tearing of spot welding cap, so that change to the spot welding cap, prevent that spot welding cap wearing and tearing are excessive and make the spot welding head appear damaging.

Drawings

FIG. 1 is a schematic front view of a resistance spot welding electrode and a positioning device according to the present invention;

FIG. 2 is a schematic structural view of a resistance spot welding electrode and a positioning device according to the present invention;

FIG. 3 is an enlarged view of the structure of a resistance spot welding electrode and a positioning device A according to the present invention;

FIG. 4 is a schematic structural diagram of a resistance spot welding electrode and a positioning device extrusion mechanism according to the present invention;

fig. 5 is a schematic structural diagram of a resistance spot welding electrode and a positioning device limiting mechanism according to the present invention.

FIG. 6 is a schematic view of a resistance spot welding electrode and a positioning post of a positioning device according to the present invention;

FIG. 7 is a schematic diagram of a resistance spot welding electrode and positioning device mounting block according to the present invention;

fig. 8 is a schematic structural diagram of a spot welding device of a resistance spot welding electrode and a positioning device according to the present invention.

In the figure: the spot welding device comprises a supporting seat 1, a spot welding machine body 2, a spot welding device 3, a spot welding cap 31, a fixing block 32, a sleeve block 33, a third spring 34, a pulling block 35, a slot 36, an inserted rod 37, a spot welding head 38, an installation seat 4, an extrusion mechanism 5, an installation frame 51, a first screw 52, a control block 53, an installation groove 54, a vertical rod 55, a first extrusion plate 56, a second extrusion plate 57, a fixed column 58, an extrusion block 59, an adjusting mechanism 6, a rotating block 61, a second screw 62, a guide column 63, a positioning mechanism 7, a positioning column 71, a positioning block 72, an installation block 73, a groove 74, a positioning groove 75, a side groove 76, a clamping mechanism 8, an installation plate 81, a first spring 82, a clamping plate 83, a limiting mechanism 9, a pulling plate 91, a second spring 92, a side plate 93, a connecting column 94, a limiting column 95, a through hole 96, a placing plate 10, an accommodating groove 11, a limiting groove 12 and a rubber block 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-8, a resistance spot welding electrode and positioning device, comprising a supporting seat 1, a spot welding machine body 2 is fixedly connected to one side of the supporting seat 1, a spot welding device 3 is arranged at the front end of the spot welding machine body 2 through a mounting seat 4, positioning mechanisms 7 are arranged at both sides of the spot welding device 3, the two positioning mechanisms 7 are respectively arranged at both sides of the bottom end of the mounting seat 4, the upper ends of the two positioning mechanisms 7 are respectively connected with the mounting seat 4 through a limiting mechanism 9, a containing groove 11 is arranged at the upper end of the supporting seat 1, a placing plate 10 is arranged in the containing groove 11, the placing plate 10 is connected with the containing groove 11 through an adjusting mechanism 6, a clamping mechanism 8 is arranged at the upper end of the placing plate 10, extruding mechanisms 5 are arranged at both sides of the supporting seat 1, the two extruding mechanisms 5 respectively correspond to both sides of the containing groove 11, the stability of a plate in the spot welding process can be ensured, so as to ensure the spot welding accuracy, meanwhile, the installation and the disassembly of the positioning mechanisms 7 are more convenient, the spot welding cap 3 is convenient to grind in the later period, and time and labor are saved;

the two extrusion mechanisms 5 respectively comprise an installation frame 51, first screw rods 52, a control block 53, two installation grooves 54, two vertical rods 55, first extrusion plates 56, second extrusion plates 57, two fixed columns 58 and a plurality of extrusion blocks 59, the installation frames 51 are fixedly connected to two sides of the upper end of the support base 1, the first screw rods 52 are in threaded connection with the central positions of the two installation frames 51, the two first screw rods 52 respectively penetrate through the corresponding installation frames 51, the control blocks 53 are fixedly connected to the top end parts of the two first screw rods 52, the first extrusion plates 56 and the second extrusion plates 57 are arranged in the two installation frames 51, the two first extrusion plates 56 are respectively positioned right above the corresponding second extrusion plates 57, the two first extrusion plates 56 are respectively and fixedly connected with the corresponding second extrusion plates 57 through the two fixed columns 58, the installation grooves 54 are respectively arranged on two side walls of the two installation frames 51, the vertical rods 55 are respectively and fixedly connected in the two installation grooves 54, the two sides of the two first extrusion plates 56 and the two second extrusion plates 57 are movably sleeved with the corresponding vertical rods 55, the central positions of the upper ends of the two first extrusion plates 56 are rotatably connected with the end parts of the bottom ends of the corresponding first screw rods 52, the bottom ends of the two second extrusion plates 57 are uniformly fixed with a plurality of extrusion blocks 59, the two control blocks 53 are rotated, the two control blocks 53 drive the two first screw rods 52 to rotate, the two first extrusion plates 56 and the two second extrusion plates 57 move downwards under the driving of the corresponding first screw rods 52, the two sides of the plate are extruded by the extrusion blocks 59, the plate is further positioned, the stability of the plate is ensured, the plate is prevented from deviating in the spot welding process, and the spot welding effect is ensured;

two positioning mechanism 7 all include installation piece 73, recess 74, two reference columns 71, a plurality of constant head tank 75, two constant head tanks 75 and a plurality of

side channel

76, 4 bottom both sides of two mount pads all are equipped with recess 74, two installation piece 73 upper ends all are located and correspond in the recess 74, two equal fixedly connected with two reference columns 71 in two installation piece 73 bottoms, four reference column 71 bottom outsides evenly are fixed with a plurality of constant head tanks, four constant head tanks 75 all set up in supporting seat 1 upper end, all be equipped with a plurality of side channels 76 on four constant head tanks 75 lateral walls, a plurality of side channels 76 upper ends all communicate with supporting seat 1 upper end, in the spot welding process, utilize four reference columns 71 and four constant head tanks 75 to cooperate, in addition, a plurality of locating pieces 72 cooperate with a plurality of side channels 76, guarantee spot welding device 3 at the stability of removal in-process, thereby guarantee the accurate nature of spot welding.

The adjusting mechanism 6 comprises a second screw 62, a rotating block 61 and two guide posts 63, the second screw 62 is rotatably connected in the accommodating groove 11, one end of the second screw 62 extends out of the supporting seat 1, one end of the second screw 62 extending out of the supporting seat 1 is fixedly connected with the rotating block 61, the two guide posts 63 are respectively positioned at two sides of the second screw 62, the two guide posts 63 are both fixedly connected with the side wall of the accommodating groove 11, the two guide posts 63 are both parallel to the second screw 62, the placing plate 10 is in threaded connection with the central position and the second screw 62, two sides of the placing plate 10 are both movably sleeved with the corresponding guide posts 63, the second screw 62 is driven to rotate by the rotating block 61, the placing plate 10 is driven to move by the second screw 62, so as to adjust the spot welding position of the plate, the clamping mechanism 8 comprises two mounting plates 81, two clamping plates 83 and a plurality of first springs 82, the mounting plates 81 are both sides of the placing plate 10 are fixedly connected with the mounting plates 81, two clamping plates 83 are arranged between the two mounting plates 81, the two clamping plates 83 correspond to each other, a plurality of first springs 82 are fixedly connected between the two clamping plates 83 and the corresponding mounting plates 81, a plate is placed on the placing plate 10, the two clamping plates 83 are extruded by the two sides of the placing plate 10, the two clamping plates 83 move back to back, the plurality of first springs 82 are extruded when the two clamping plates 83 move back to back, the two clamping plates 83 extrude the two sides of the plate through the acting force of the plurality of first springs 82, so as to primarily position the plate, the two limiting mechanisms 9 respectively comprise a side plate 93, four connecting columns 94, two limiting columns 95, a pulling plate 91, two second springs 92 and two through holes 96, the side plates 93 are fixedly connected to the two sides of the mounting seat 4 through the four connecting columns 94, one ends of the four limiting columns 95 respectively penetrate through the corresponding side plates 93 and are inserted into the corresponding grooves 74, the four limiting columns 95 penetrate through the corresponding mounting blocks 73 through the corresponding through holes 96, the other ends of the four limiting columns 95 are respectively fixedly connected with the two pulling plates 91, the two second springs 92 are fixedly connected between the two pulling plates 91 and the corresponding side plates 93, the four second springs 92 are respectively sleeved on the peripheries of the four limiting columns 95, the two limiting columns 95 are separated from the corresponding limiting grooves 12 and the mounting blocks 73 by pulling the two limiting columns 95 through the pulling plates 91, so that the mounting blocks 73 can be disassembled, the second springs 92 can be in a stretching state during the moving process of the two limiting columns 95, the mounting blocks 73 can be conveniently and subsequently mounted, the spot welding caps 31 can be conveniently polished through the convenient mounting and dismounting of the mounting blocks 73, time and labor are saved, the two limiting grooves 12 are respectively arranged on the side walls of the two grooves 74, one end of each of the four limiting columns 95, which penetrates through the mounting block 73, is inserted into the corresponding limiting groove 12, the four limit grooves 12 are matched with the corresponding limit posts 95 to facilitate limiting of the limit posts 95 so as to ensure stability of the installation block 73, the four limit posts 95 are movably sleeved with the corresponding side plates 93, the installation seat 4 and the installation block 73, the four limit posts 95 are matched with the corresponding through holes 96, the positioning posts 71 can penetrate through the installation block 73 and be separated from the installation block 73 by pulling the positioning posts 71 so as to install and disassemble the installation block 73, the four positioning posts 71 respectively correspond to the four positioning grooves 75, the four positioning posts 71 are respectively matched with the corresponding positioning grooves 75, the positioning blocks 72 are respectively matched with the side grooves 76 so as to ensure stability of the spot welding device 3 in a spot welding process, the bottom ends of the extrusion blocks 59 are fixedly sleeved with the rubber blocks 13, the extrusion blocks 59 correspond to the placing plate 10, and the plate is prevented from being damaged due to extrusion by the rubber blocks 13, the spot welding device 3 comprises a spot welding head 38, a spot welding cap 31, two fixed blocks 32, two insert rods 37, two pull blocks 35, two slots 36, two sleeve blocks 33 and two third springs 34, the spot welding head 38 is fixedly connected at the central position of the bottom end of the mounting seat 4, the spot welding cap 31 is fixedly sleeved at the bottom end of the spot welding head 38, the fixed blocks 32 are arranged at both sides of the spot welding head 38, the two fixed blocks 32 are fixedly connected at the bottom end of the mounting seat 4, the two insert rods 37 are respectively movably sleeved with the lower ends of the two fixed blocks 32, the pull blocks 35 are fixedly connected at the back ends of the two insert rods 37, the slots 36 are arranged at both sides of the spot welding cap 31, the opposite ends of the two insert rods 37 are respectively inserted into the corresponding slots 36, the sleeve blocks 33 are fixedly sleeved at the outer sides of one end of the two insert rods 37 close to the spot welding cap 31, the third springs 34 are fixedly connected between the two sleeve blocks 33 and the corresponding fixed blocks 32, the two third springs 34 are respectively sleeved at the peripheries of the two insert rods 37, the service condition of the spot welding cap 31 can be visually observed through the two insert rods 37, when the distance between the bottom end part of the spot welding cap 31 and the two insert rods 37 is shorter, the abrasion of the spot welding cap 31 is more serious, so that the spot welding cap 31 is replaced, the spot welding head 38 is prevented from being damaged due to excessive abrasion of the spot welding cap 31, the horizontal height of the bottom end part of the four positioning columns 71 is smaller than the horizontal height of the bottom end part of the spot welding cap 31, the spot welding cap 31 is in contact with a plate, the positioning columns 71 can be inserted into the positioning grooves 75 first, and the positioning effect is achieved.

The working principle is as follows: when the spot welding positioning device is used, a plate is placed on the placing plate 10, two clamping plates 83 are extruded by two sides of the placing plate 10 to enable the two clamping plates 83 to move back and forth, the two clamping plates 83 extrude a plurality of first springs 82 when moving back and forth, the two clamping plates 83 extrude two sides of the plate through acting forces of the first springs 82 to preliminarily position the plate, the second screw 62 is driven to rotate through the rotating block 61 according to an actual spot welding position, the placing plate 10 is driven to move through the second screw 62 to adjust the spot welding position of the plate, after the spot welding position is determined, the two control blocks 53 are rotated, the two control blocks 53 drive the two first screws 52 to rotate, the two first extruding plates 56 and the two second extruding plates 57 move downwards through driving of the corresponding first screws 52, the two sides of the plate are extruded through the plurality of extruding blocks 59 to further position the plate, guarantee the stability of panel, prevent that panel from the skew phenomenon appearing in spot welding process, in the spot welding process, utilize four reference columns 71 and four constant head tanks 75 to cooperate, in addition a plurality of locating pieces 72 and a plurality of side ways 76 cooperate, guarantee spot welding device 3 stability in the removal process, when later stage needs to maintain spot welding device 3, through drawing two spacing posts 95 of panel 91 pulling, make two spacing posts 95 with correspond spacing groove 12 and installation piece 73 separation, thereby can dismantle installation piece 73, two spacing posts 95 can make second spring 92 be in tensile state at the removal in-process, be convenient for follow-up install installation piece 73, through convenient installation and dismantlement installation piece 73, can conveniently carry out the coping to spot welding cap 3, time saving and labor saving.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A resistance spot welding electrode and positioning device comprises a supporting seat (1) and is characterized in that a spot welding machine body (2) is fixedly connected to one side of the supporting seat (1), a spot welding device (3) is arranged at the front end of the spot welding machine body (2) through a mounting seat (4), positioning mechanisms (7) are arranged on two sides of the spot welding device (3), the two positioning mechanisms (7) are respectively located on two sides of the bottom end of the mounting seat (4), the upper ends of the two positioning mechanisms (7) are connected with the mounting seat (4) through limiting mechanisms (9), a containing groove (11) is arranged at the upper end of the supporting seat (1), a placing plate (10) is arranged in the containing groove (11), the placing plate (10) is connected with the containing groove (11) through adjusting mechanisms (6), clamping mechanisms (8) are arranged at the upper ends of the placing plate (10), and extruding mechanisms (5) are arranged on two sides of the supporting seat (1), the two extrusion mechanisms (5) respectively correspond to the two sides of the accommodating groove (11);

two extrusion mechanism (5) all include mounting bracket (51), first screw rod (52), control block (53), two mounting grooves (54), two montants (55), first stripper plate (56), second stripper plate (57), two fixed columns (58) and a plurality of extrusion piece (59), the equal fixedly connected with mounting bracket (51) in supporting seat (1) upper end both sides, two equal threaded connection has first screw rod (52), two in mounting bracket (51) central point puts equal threaded connection has first stripper plate (56), two first screw rod (52) all runs through and corresponds mounting bracket (51), two equal fixedly connected with control block (53) in first screw rod (52) top end, two all be equipped with first stripper plate (56) and second stripper plate (57) in mounting bracket (51), two first stripper plate (56) all are located and correspond directly over second stripper plate (57), two all through two fixed columns (58) between first stripper plate (56) and the corresponding second stripper plate (57) ) The two side walls of the two mounting frames (51) are respectively provided with a mounting groove (54), vertical rods (55) are respectively fixedly connected in the two mounting grooves (54), two sides of the two first extrusion plates (56) and two second extrusion plates (57) are respectively movably sleeved with the corresponding vertical rods (55), the central positions of the upper ends of the two first extrusion plates (56) are respectively rotatably connected with the end parts of the bottom ends of the corresponding first screw rods (52), and a plurality of extrusion blocks (59) are uniformly fixed at the bottom ends of the two second extrusion plates (57);

two positioning mechanism (7) all include locating piece (72), installation piece (73), recess (74), two reference column (71), a plurality of constant head tank (75), two constant head tank (75) and a plurality of side channel (76), two mount pad (4) bottom both sides all are equipped with recess (74), two installation piece (73) upper end all is located corresponding recess (74), two equal fixedly connected with two reference column (71) in installation piece (73) bottom, four the reference column (71) bottom outside evenly is fixed with a plurality of constant head tank (75), four constant head tank (75) all set up in supporting seat (1) upper end, four all be equipped with a plurality of side channel (76) on constant head tank (75) lateral wall, it is a plurality of side channel (76) upper end all communicates with supporting seat (1) upper end.

2. A resistance spot welding electrode and positioning device according to claim 1, the adjusting mechanism (6) comprises a second screw rod (62), a rotating block (61) and two guide columns (63), the second screw rod (62) is rotationally connected in the accommodating groove (11), one end of the second screw rod (62) extends out of the supporting seat (1), the end part of one end of the second screw rod (62) extending out of the supporting seat (1) is fixedly connected with a rotating block (61), two guide posts (63) are respectively positioned at two sides of the second screw rod (62), the two guide posts (63) are both fixedly connected with the side wall of the accommodating groove (11), the two guide posts (63) are both parallel to the second screw rod (62), the placing plate (10) is in threaded connection with a second screw (62) at the central position, the two sides of the placing plate (10) are movably sleeved with the corresponding guide posts (63).

3. The resistance spot welding electrode and positioning device according to claim 1, wherein the clamping mechanism (8) comprises two mounting plates (81), two clamping plates (83) and a plurality of first springs (82), the mounting plates (81) are fixedly connected to both sides of the placing plate (10), the two clamping plates (83) are arranged between the two mounting plates (81), the two clamping plates (83) correspond to each other, and the plurality of first springs (82) are fixedly connected between the two clamping plates (83) and the corresponding mounting plates (81).

4. A resistance spot welding electrode and positioning device according to claim 1, wherein both of said limiting mechanisms (9) comprise a side plate (93), four connecting posts (94), two limiting posts (95), a pulling plate (91), two second springs (92) and two through holes (96), mount pad (4) both sides all are through four spliced pole (94) fixedly connected with curb plate (93), four spacing post (95) one end all runs through corresponding curb plate (93) and inserts in corresponding recess (74), four spacing post (95) all passes through corresponding installation piece (73) through corresponding through-hole (96), four spacing post (95) other ends respectively with two pulling plate (91) fixed connection, two pulling plate (91) and correspond two second spring (92) of equal fixedly connected with between curb plate (93), four second spring (92) are established respectively and are established four spacing post (95) peripherally.

5. A resistance spot welding electrode and positioning device according to claim 4, wherein two limiting grooves (12) are formed in the side walls of two grooves (74), four limiting columns (95) are inserted into the corresponding limiting grooves (12) through one end of the mounting block (73), and the four limiting grooves (12) are matched with the corresponding limiting columns (95).

6. The resistance spot welding electrode and positioning device according to claim 4, wherein four limiting columns (95) are movably sleeved with corresponding side plates (93), the mounting base (4) and the mounting block (73), and the four limiting columns (95) are matched with corresponding through holes (96).

7. The resistance spot welding electrode and positioning device according to claim 1, wherein four positioning posts (71) correspond to four positioning grooves (75), four positioning posts (71) are adapted to the corresponding positioning grooves (75), and a plurality of positioning blocks (72) are adapted to a plurality of side grooves (76).

8. The resistance spot welding electrode and positioning device according to claim 1, wherein the bottom ends of the extrusion blocks (59) are fixedly sleeved with rubber blocks (13), and the extrusion blocks (59) correspond to the placing plate (10).

9. The resistance spot welding electrode and positioning device according to claim 1, wherein the spot welding device (3) comprises a spot welding head (38), a spot welding cap (31), two fixing blocks (32), two inserting rods (37), two pulling blocks (35), two inserting grooves (36), two sleeve blocks (33) and two third springs (34), the spot welding head (38) is fixedly connected to the center of the bottom end of the mounting seat (4), the spot welding cap (31) is fixedly sleeved on the bottom end of the spot welding head (38), the fixing blocks (32) are arranged on two sides of the spot welding head (38), the two fixing blocks (32) are fixedly connected to the bottom end of the mounting seat (4), the two inserting rods (37) are respectively movably sleeved with the lower ends of the two fixing blocks (32), the pulling blocks (35) are fixedly connected to opposite back ends of the two inserting rods (37), the inserting grooves (36) are arranged on two sides of the spot welding cap (31), two inserted bar (37) looks remote site all inserts and establishes in corresponding slot (36), two the inserted bar (37) are close to the one end outside of spot welding cap (31) and all fixedly cup jointed cover piece (33), two equal fixedly connected with third spring (34) between cover piece (33) and the corresponding fixed block (32), two third spring (34) are established respectively and are established two inserted bar (37) peripherally.

10. A resistance spot welding electrode and locating device as claimed in claim 9, wherein the level of the bottom end of each of the four locating studs (71) is less than the level of the bottom end of the spot welding cap (31).