CN220480524U - Novel resistance welding machine - Google Patents

Abstract

The utility model provides a novel resistance welding machine, which comprises a workbench, wherein a power supply, a pressing mechanism and a positioning mechanism are arranged on the workbench, the pressing mechanism comprises a pressing cylinder, a piston rod of the pressing cylinder is provided with a pressing rod, a boss is arranged on the lower end face of the pressing rod, the positioning mechanism comprises a rotary table, a plurality of supporting rods are arranged on the rotary table, positioning grooves are formed in the upper end faces of the supporting rods, a sleeve and a supporting spring are sleeved on the supporting rods, the upper end faces of the sleeve are higher than the upper end faces of the positioning grooves, and two poles of the power supply are respectively electrically connected with the pressing rod and the rotary table. According to the utility model, the base forming a workpiece is placed in the positioning groove, the supporting spring is placed on the base, the cover plate is placed on the upper end surface of the sleeve, the control pressure lever is pressed down to push the bottom of the cover plate to be in contact with the base, and as the two stages of the power supply are respectively electrically connected with the pressure lever and the rotary table, the base and the cover plate are welded by utilizing resistance heat generated by current passing through the contact point of the cover plate and the base, so that the base and the cover plate are welded quickly, the welding efficiency is improved, and the problem of incomplete welding is avoided.

Description

Novel resistance welding machine

Technical Field

The utility model relates to the field of automatic welding, in particular to a novel resistance welding machine.

Background

Resistance welding is a method in which a workpiece is combined and then pressed by an electrode, and resistance heat generated by passing a current through a contact surface and an adjacent region of a joint is used for welding. The work piece shown in fig. 5 is including the base that has the cavity, supporting spring and apron, supporting spring arranges the cavity of base in, two welded parts are extended to base opening edge, the apron pushes down supporting spring and with two welded part welded fastening of base, traditional welding to the work piece is through the spot welding realization after the manual assembly with base and apron fixed connection that will be equipped with supporting spring, so operation welding efficiency is extremely low, and manual welding exists and does not weld in place, causes apron and base separation, influences the use of follow-up work piece.

Disclosure of Invention

The utility model provides a novel resistance welding machine, and aims to solve the technical problems of low efficiency and insufficient welding in the conventional workpiece welding.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel resistance welding machine, includes the workstation, install power, pushing down mechanism and positioning mechanism on the workstation, pushing down the mechanism and including pushing down the cylinder, the piston rod of pushing down the cylinder installs the depression bar, terminal surface installation boss under the depression bar, positioning mechanism includes the revolving stage, install a plurality of bracing piece on the revolving stage, open the up end of bracing piece has the constant head tank, sleeve and supporting spring are established to bracing piece top-down in proper order, telescopic up end is higher than the up end of constant head tank, the two poles of the earth of power are electrically connected respectively the depression bar with the revolving stage.

Further, the revolving stage is the cross, the revolving stage is including four branches, branch open has vertical downward perpendicular to the fixed orifices of branch, fixed orifices installation bracing piece, the downside of bracing piece is opened there is a plurality of location step.

Further, the inside slidable installation inserted bar along length direction of branch, the inserted bar orientation one side of fixed orifices sets up the wedge.

Further, a pull ring is arranged on one side of the inserted link, which faces the end face of the supporting rod.

Further, the sleeve is made of insulating materials.

Further, the turntable comprises a servo motor mounted on the workbench, and the servo motor drives the turntable to rotate.

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

the novel resistance welding machine is simple in structure and reasonable and ingenious in design, and comprises a workbench, a power supply, a pressing mechanism and a positioning mechanism are arranged on the workbench, the pressing mechanism comprises a pressing cylinder, a piston rod of the pressing cylinder is provided with a pressing rod, a boss is arranged on the lower end face of the pressing rod, the positioning mechanism comprises a rotary table, a plurality of supporting rods are arranged on the rotary table, positioning grooves are formed in the upper end faces of the supporting rods, a sleeve and a supporting spring are sequentially sleeved on the supporting rods from top to bottom, the upper end face of the sleeve is higher than the upper end face of the positioning grooves, and two stages of the power supply are respectively electrically connected with the pressing rod and the rotary table. According to the utility model, the base forming the workpiece is placed in the positioning groove, the supporting spring is placed on the base, the cover plate forming the workpiece is placed on the upper end surface of the sleeve, the control pressure rod is pressed down to push the bottom of the cover plate to be in contact with the base, and as the two stages of the power supply are respectively electrically connected with the pressure rod and the rotary table, the base provided with the supporting spring and the cover plate are welded together by utilizing resistance heat generated by current passing through the contact points of the cover plate and the base, so that the quick welding is realized, the welding efficiency is improved, and the problem of incomplete welding is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a novel resistance welder;

FIG. 2 is a schematic view of another angular configuration of a novel resistance welder of the present utility model;

FIG. 3 is an exploded schematic view of a positioning mechanism of a novel resistance welder of the present utility model;

FIG. 4 is a cross-sectional view of a positioning mechanism of a novel resistance welder of the present utility model;

fig. 5 is a schematic view of the structure of the work piece.

Description of the main reference signs

10. A work table;

20. a pressing mechanism; 201. a pressing cylinder; 202. a compression bar; 2021. a boss;

30. a positioning mechanism; 301. a turntable; 3011. a servo motor; 302. a support rod; 3021. a rod; 3022. wedge blocks; 3023. a pull ring; 3024. a fixing hole; 303. a support rod; 3031. positioning the step; 3032. a positioning groove; 304. a support spring; 305. a sleeve;

40. a workpiece; 401. a cover plate; 402. a spring; 403. a base; 4031. and a welding part.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Examples

The workpiece 40 shown in fig. 5 comprises a base 403 with a cavity, a spring 402 and a cover plate 401, wherein the spring 402 is arranged in the cavity of the base 403, two welding parts 4031 extend from the edge of the opening of the base 403, and the cover plate 401 presses the spring 304 and is welded and fixed with the two welding parts 4031 of the base 403.

Referring to fig. 1-4, the utility model discloses a novel resistance welding machine, which comprises a workbench 10, wherein a power supply (not shown in the figure), a pressing mechanism 20 and a positioning mechanism 30 are arranged on the workbench 10, the pressing mechanism 20 comprises a pressing cylinder 201, a piston rod of the pressing cylinder 201 is provided with a pressing rod 202, a boss 2021 is arranged on the lower end surface of the pressing rod 202, the positioning mechanism 30 comprises a turntable 301, a plurality of supporting rods 303 are arranged on the turntable 301, a positioning groove 3032 is formed in the upper end surface of each supporting rod 303, a sleeve 305 and a supporting spring 304 are sequentially sleeved on the supporting rods 303 from top to bottom, the upper end surface of the sleeve 305 is higher than the upper end surface of the positioning groove 3032, and two stages of the power supply are respectively electrically connected with the pressing rod 202 and the turntable 301. Specifically, the base 403 is placed in the positioning groove 3032, the welding parts 4031 at the edges of two sides of the base 403 are placed at two sides of the upper end surface of the positioning groove 3032, the supporting spring 304 is placed in the base 403, the cover plate 401 is placed on the sleeve 305, the cover plate 401 is pushed by the operation pressure lever 202 to push the sleeve 305 to push the supporting spring 304 downwards, so that the cover plate 401 is abutted to the welding part 4031 at the upper end surface of the base 403 placed in the positioning groove 3032, as the two poles of the power supply are respectively electrically connected with the pressure lever 202 and the turntable 301, the support rod 303 is arranged on the turntable 301, namely the two poles of the power supply are respectively electrically connected with the pressure lever 202 and the support rod 303, when the pressure lever 202 pushes the cover plate 401 to be in contact with the base 403 placed on the support rod 303, the base 403 and the cover plate 401 are welded by resistance heat generated by the contact point of the base 403 and the cover plate 401 through electric current, and the base 403 and the cover plate 401 are fixedly connected by welding. When the welded workpiece 40 is taken out, the sleeve 305 may be removed, and the workpiece 40 may be taken out of the sleeve 305.

Further, the sleeve 305 is made of an insulating material, so that the problem that the welded workpiece 40 cannot be separated from the sleeve 305 due to the fact that the pressing plate is fixed on the sleeve 305 when the pressing rod 202 is pressed down is avoided.

Referring to fig. 1 to 4, the turntable 301 is in a cross shape, the turntable 301 includes four support rods 302, the support rods 302 are provided with fixing holes 3024 vertically downward perpendicular to the support rods 302, and the support rods 303 are mounted in the fixing holes 3024. Specifically, the cross-shaped turntable 301 comprises four supporting rods 302, the supporting rods 302 are respectively installed on the supporting rods 302, when the turntable 301 drives the supporting rods 302 to rotate and drives the supporting rods 303 to rotate, the pressing rod 202 is pressed down and all parts of the mechanism for placing the workpiece 40 are placed, the work efficiency is further improved, the turntable 301 comprises a servo motor 3011 installed on the workbench 10, the servo motor 3011 drives the turntable 301 to rotate, the servo motor 3011 controls the rotating angle of the turntable 301 to be 90 degrees each time, the supporting rods 303 on the turntable 301 are aligned with the pressing rod 202, and the pressing rod 202 is pressed down in place.

Referring to fig. 1 and 3-4, a plug rod 3021 is slidably mounted in the strut 302 in the length direction, a plurality of positioning steps 3031 in the vertical direction are formed on the lower side of the support rod 303, and a wedge block 3022 is disposed on one side of the plug rod 3021 facing the fixing hole 3024. The cavity penetrating to the end face is formed in the support rod 302, the inserted rod 3021 is slidably installed in the cavity, a spring is sleeved on the inserted rod 3021, a pull ring 3023 is arranged on one side, facing the end face of the support rod 302, of the inserted rod 3021, after long-term use, the elasticity of the support spring 304 is insufficient, after the pressure rod 202 is pressed down and welded, the workpiece 40 is placed in the positioning groove 3032, the workpiece 40 cannot be separated from the positioning groove 3032, difficulty is caused in taking the workpiece 40, the vertical height of the support rod 303 on the support rod 302 is adjusted downwards, the support spring 304 is enabled to have enough elasticity to push the workpiece 40 to be separated from the positioning groove 3032, and in a specific conventional state, the spring pushing wedge 3022 is clamped on the positioning step 3031 of the support rod 303, and when the height of the support rod 303 needs to be adjusted, the pull ring 3023 drives the inserted rod 3021 to drive the wedge 3022 to leave the positioning step 3031 to be clamped again, so that the whole inserted rod 3021 moves downwards, and the supporting force of the support spring 304 can be improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A novel resistance welding machine, which is characterized in that; including the workstation, install power, pushing down mechanism and positioning mechanism on the workstation, pushing down the mechanism and including pushing down the cylinder, the piston rod of pushing down the cylinder installs the depression bar, terminal surface installation boss under the depression bar, positioning mechanism includes the revolving stage, install a plurality of bracing piece on the revolving stage, open the up end of bracing piece has the constant head tank, sleeve and supporting spring are established to bracing piece top-down in proper order, telescopic up end is higher than the up end of constant head tank, the two poles of the earth electricity of power are connected respectively depression bar and revolving stage.

2. The novel resistance welder of claim 1, wherein: the rotary table is cross-shaped, the rotary table comprises four supporting rods, fixing holes which are vertical to the supporting rods downwards are formed in the supporting rods, supporting rods are installed in the fixing holes, and a plurality of positioning steps are formed in the lower sides of the supporting rods.

3. The novel resistance welder of claim 2, wherein: the inside installation inserted bar of following length direction slidable of branch, the inserted bar orientation one side of fixed orifices sets up the wedge.

4. A new resistance welder according to claim 3, characterized in that: the inserted link is towards branch terminal surface one side sets up the pull ring.

5. The novel resistance welder of claim 1, wherein: the sleeve is made of insulating materials.

6. The novel resistance welder of claim 1, wherein: the turntable comprises a servo motor arranged on the workbench, and the servo motor drives the turntable to rotate.