CN223455244U

CN223455244U - Spot welding equipment

Info

Publication number: CN223455244U
Application number: CN202422866027.0U
Authority: CN
Inventors: 乐海军
Original assignee: Hisense Guangdong Kitchen and Bath System Co Ltd
Current assignee: Hisense Guangdong Kitchen and Bath System Co Ltd
Priority date: 2024-11-22
Filing date: 2024-11-22
Publication date: 2025-10-21
Anticipated expiration: 2034-11-22

Abstract

The utility model discloses a spot welding device, comprising a spot welding machine and a positioning and clamping device. The spot welding machine comprises a machine body, an upper electrode lifting power component, an upper electrode holder, an upper electrode, and a lower electrode. The upper electrode and the lower electrode are arranged relative to each other with their axes inclined. The machine body and the upper electrode holder are formed with mutually cooperating oblique lifting guide structures, the guiding direction of the oblique lifting guide structures being parallel to the inclined direction of the axis. The positioning and clamping device is used to position and clamp the workpiece to be welded. Using the utility model spot welding device, welding can be achieved at welding locations on an inclined surface relative to the workpiece, improving welding quality and efficiency while reducing labor intensity.

Description

Spot welding equipment

Technical Field

The utility model belongs to the technical field of welding devices, and particularly relates to spot welding equipment.

Background

The spot welder in the related art generally can only weld workpieces in the vertical direction, so that workpieces with special structures, such as welding parts on inclined surfaces of the workpieces, can only weld manually, and has unstable quality, low production efficiency and high labor intensity of operators.

The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

Aiming at the problems pointed out in the background art, the utility model provides a spot welding device which can realize the welding of a welding part on a workpiece inclined plane, improve the welding processing quality and the production efficiency and reduce the labor intensity.

In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme:

in some embodiments of the present application, there is provided a spot welding apparatus including:

Spot welder, it includes:

A body;

the upper electrode lifting power component is arranged on the machine body;

The upper electrode seat is arranged on the machine body and is connected with the output end of the upper electrode lifting power component;

the upper electrode is arranged on the upper electrode seat;

the lower electrode seat is arranged on the machine body;

the lower electrode is arranged on the lower electrode seat;

The machine body and the upper electrode seat are provided with mutually matched inclined lifting guide structures, and the guide direction of the inclined lifting guide structures is parallel to the inclined direction of the axis;

The positioning and pressing device is used for positioning and pressing workpieces to be welded and comprises a pressing upper die, a positioning lower die and a positioning and pressing power component for driving the pressing upper die to lift.

The spot welding equipment in the technical scheme has the advantages that the spot welding equipment in some embodiments of the application can be used for realizing the welding of the welding position on the inclined plane of the workpiece, improving the welding quality and the welding efficiency of the workpiece and reducing the labor intensity.

In some embodiments of the present application, the upper electrode lifting power component is a cylinder, the cylinder is obliquely arranged, the oblique direction is parallel to the oblique direction of the axis, and a cylinder piston rod is obliquely upwards connected with the upper electrode base.

The spot welding equipment in the technical scheme has the advantages that the cylinder is obliquely arranged upwards, the position of the cylinder on the spot welding device is relatively lower, the whole spot welding machine is compact in structure, the gravity center is lower, the lower electrode is downwards moved in a mode of downwards pulling the upper electrode seat, and meanwhile, the upper electrode moves more stably and reliably under the guiding action of the lifting guide structure.

In some embodiments of the application, the fuselage comprises an upper fuselage and a lower fuselage;

The upper machine body comprises an upper machine body vertical part and an inclined part which is obliquely arranged along the direction parallel to the inclined direction of the axis, the inclined part is positioned above the upper machine body vertical part and fixedly connected with the upper machine body vertical part into a whole, the upper electrode seat, the lower electrode seat, the inclined lifting guide mechanism and the upper electrode lifting power part are arranged on the inclined part, and the upper machine body vertical part is detachably connected with the lower machine body.

The spot welding equipment in the technical scheme has the advantages that the machine body is divided into the upper machine body and the lower machine body which are detachably connected, and the machine body is convenient to process and assemble.

In some embodiments of the present application, the lower body includes a body base portion and a lower body upright portion, the upper body upright portion is detachably connected to the lower body upright portion, and a height adjustment structure is provided on the upper body upright portion or the lower body upright portion for adjusting a mounting height of the upper body on the lower body.

The spot welding device in the technical scheme has the advantages that the vertical position of the vertical part of the upper machine body relative to the vertical part of the lower machine body can be adjusted, so that the installation height of the upper machine body is adjusted, and the welding device is convenient to adapt to welding of different workpieces.

In some embodiments of the application, the upper electrode is removably mounted on the upper electrode holder and the lower electrode is removably mounted on the lower electrode holder.

The spot welding equipment in the technical scheme has the advantage that different electrodes can be conveniently replaced according to different working conditions.

In some embodiments of the present application, the pressing upper die includes a pressing portion and a connecting portion, the connecting portion connecting the power output end of the positioning pressing power component;

The lower positioning die is provided with a concave positioning part matched with the outer contour of the workpiece, and the opening of the concave positioning part faces upwards.

The spot welding device in the technical scheme has the advantage that reliable compaction and positioning of workpieces can be realized.

In some embodiments of the present application, the positioning and compacting device further includes a base, the positioning lower die and the positioning and compacting power component are fixed on the base, and the positioning and compacting power component pulls the compacting upper die to move downwards to compact the workpiece.

The spot welding equipment in the technical scheme has the advantages that the structure positioning and pressing device is compact and stable in structure, the gravity center is lower, the workpiece is pressed by pulling down the pressing upper die, and the pressing upper die moves stably and reliably, so that the positioning and pressing effects on the workpiece are further improved.

In some embodiments of the present application, the workpiece is in a strip shape extending along a straight line, the positioning and pressing devices are arranged at a plurality of positions along the length direction of the workpiece at intervals, and the positioning and pressing devices and the spot welding machine are arranged at intervals along the length direction of the workpiece.

The spot welding equipment in the technical scheme has the advantages that the positioning and pressing devices are arranged at a plurality of positions along the length direction of the workpiece at intervals, so that the positioning and pressing effects on the strip-shaped workpiece can be improved, the positioning and pressing devices and the spot welding machine are arranged at intervals along the length direction of the workpiece, the space can be reasonably utilized, and the supporting reliability on the workpiece is improved.

In some embodiments of the application, the spot welding apparatus further comprises a support member for assisting in supporting the workpiece.

The spot welding device in the technical scheme has the advantage that the supporting reliability of the workpiece can be further improved.

In some embodiments of the application, the spot welding apparatus further comprises a machine frame, the machine frame comprising a table, the positioning and compacting device and the spot welding machine being provided on the table.

The spot welding equipment in the technical scheme has the advantages that the main structural parts of the spot welding equipment are integrated on the machine body frame, so that the spot welding equipment is of an integral structure, the space is reasonably utilized, and the machine body frame plays a certain safety protection role.

Other features and advantages of the present utility model will become apparent upon review of the detailed description of the utility model in conjunction with the drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a perspective view illustrating a work piece according to some embodiments;

Fig. 2 is an enlarged view of a portion a of fig. 1;

FIG. 3 illustrates a perspective view of a spot welding apparatus according to some embodiments;

FIG. 4 illustrates a perspective view of a spot welding apparatus with a body frame omitted, in accordance with some embodiments;

fig. 5 is an enlarged view of a portion B of fig. 4;

Fig. 6 is an enlarged view of a portion C of fig. 4;

FIG. 7 illustrates a perspective view of a spot welder from a perspective according to some embodiments;

FIG. 8 illustrates a perspective view of another view of the spot welder according to some embodiments;

FIG. 9 schematically illustrates a relative position of a spot welder and a workpiece according to some embodiments;

FIG. 10 illustrates a perspective view of a positioning and compression device in accordance with some embodiments;

Fig. 11 illustrates a perspective view of a centering mechanism in accordance with some embodiments.

Reference numerals:

1. 10 parts, a main part of the workpiece, 11 parts of side plates, 12 parts of inner flanging, 20 parts of reinforcing parts;

100. Positioning and compressing device, 110, compressing upper mould, 111, compressing part, 112, connecting part, 120, positioning lower mould, 121, concave positioning part, 130, positioning and compressing power part, 140, base;

200. Spot welding machine, 210, upper machine body, 211, upper machine body vertical part, 212, inclined part, 220, upper electrode lifting power part, 230, upper electrode seat, 231, upper electrode seat fixing part, 232, detachable part, 240, upper electrode, 250, lower electrode seat, 260, lower electrode, 270, inclined lifting guide structure, 280, lower machine body, 281, machine body base part, 282, lower machine body vertical part, 283, strip screw hole;

300. A machine body frame 310, a workbench;

400. Centering mechanism 410, centering power component 420, centering pushing component 421, fixing portion 422, pushing portion 430, guiding component 431 and guiding channel;

500. And a support member.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

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.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

In some embodiments of the present application, a spot welding apparatus is provided for welding a welding site of a workpiece 1.

The structure of the workpiece 1 is shown with reference to fig. 1 and 2, and comprises a workpiece main body 10 and an internal reinforcement 20, wherein the workpiece main body 10 extends along a straight line, has a V-shaped cross section, and is provided with two side plates 11 which are intersected to form a V shape, an inward flange 12 which is attached to the inner wall of the side plate 11 is formed on the top edge of each side plate 11, and two ends of the inward flange 12 are flush with two ends of the workpiece main body 10.

The reinforcement 20 reinforces the workpiece body 10, and two long sides of the reinforcement 20 are respectively attached to and welded to the bottom surfaces of the inner flanges 12 on the two side plates 11, and an attaching seam between the two is shown in fig. 1 and 2 a. When in installation, the reinforcing member 20 is inserted into the workpiece main body 10 in a sliding manner, and after the reinforcing member 20 is slid in place, the reinforcing member 20 is welded with the bottom surface of the inner flange 12, and the welding part is positioned on the joint seam a. The length of the reinforcing member 20 is smaller than that of the workpiece body 10, and both ends of the reinforcing member 20 are located inside both ends of the burring 12, respectively, taking a portion inside a broken line frame b in fig. 2 as an example, the left end of the reinforcing member 20 is located inside the left end of the burring 12, and similarly, the right end of the reinforcing member 20 is located inside the right end of the burring 12.

Since the side plate 11 of the workpiece body 10 is an inclined plate, the joint line a of the reinforcing member 20 and the inner flange 12 is parallel to the side plate 11, and the welding portion is on the joint line a, the welding is required to be perpendicular to the side plate 11 during welding, that is, the welding portion on the inclined surface of the workpiece 1 is equivalent to welding.

In order to achieve the above welding of the welding portion, in some embodiments of the present application, the spot welding apparatus includes the spot welder 200, and the welding principle of the spot welder 200 is the same as that of the prior art, and will not be described herein. The spot welder 200 includes a body, an upper electrode elevating power unit 220, an upper electrode holder 230, an upper electrode 240, a lower electrode holder 250, and a lower electrode 260.

The upper electrode holder 230, the lower electrode holder 250 and the upper electrode lifting power part 220 are arranged on the machine body, the upper electrode 240 is arranged on the upper electrode holder 230, the upper electrode holder 230 is connected with the output end of the upper electrode lifting power part 220, the lower electrode 260 is arranged on the lower electrode holder 250, the upper electrode 240 and the lower electrode 260 are oppositely arranged, namely, the axes are collinear and collectively called as an axis L, the axes L of the upper electrode 240 and the lower electrode 260 are inclined, the machine body and the upper electrode holder 230 are provided with mutually matched inclined lifting guide structures 270, and the guide directions of the inclined lifting guide structures 270 are parallel to the inclination directions of the axes L of the upper electrode 240 and the lower electrode 260.

The upper electrode lifting power part 220 drives the upper electrode holder 230 to move up and down along the inclined direction under the guidance of the inclined lifting guide structure 270, so as to drive the upper electrode 240 to move up and down in an inclined manner, and when the upper electrode 240 moves to be matched with the lower electrode 260 to clamp the welding part of the workpiece 1 between the upper electrode and the lower electrode, the electrode is electrified to perform spot welding connection on the welding part of the workpiece 1.

The inclined elevation guide structure 270 may be a rail-slider structure, in which a rail is fixed to a body, and a slider is fixed to the upper electrode holder 230 and slidably engaged with the rail.

Specifically, the axis L of the upper electrode 240 and the lower electrode 260 is inclined in a direction perpendicular to the joint line a, and thus the welding portion on the joint line a is welded vertically, and the upper electrode 240 and the lower electrode 260 are inclined in a direction perpendicular to the side plate 11 of the workpiece body 10 and pass through the joint line a of the stiffener 20 and the burring 12, and the upper electrode 240 and the lower electrode 260 are inclined with respect to the entire workpiece 1, as shown in fig. 5 and 9.

In some embodiments of the present application, the spot welding apparatus includes a positioning and pressing device for positioning and pressing the workpiece 1 to be welded, the positioning and pressing device including a pressing upper die 110, a positioning lower die 120, and a positioning and pressing power member 130 driving the pressing upper die 110 to be lifted. The workpiece 1 is ensured to be in a stable compression state during welding, so that the welding is smoothly carried out.

In some embodiments of the present application, the spot welding apparatus further comprises a control unit for controlling at least the positioning of the compacting power member 130, the operating state of the spot welding machine 200.

In some embodiments of the present application, the spot welding apparatus further includes a machine frame 300, the machine frame 300 includes a workbench 310, the positioning and pressing device 100 and the spot welding machine 200 are disposed on the workbench 310, so that the operation is convenient, and an integrated design is realized, so that the patting apparatus is integrated, which is beneficial to reasonably utilizing the space, the machine frame 300 plays a certain role in safety protection, and the control unit can be disposed in the space below the workbench 310 on the machine frame 300.

The spot welding device in some embodiments of the application can realize automatic welding of the workpiece 1 as shown in fig. 1 and 2, improve the welding quality and production efficiency of the workpiece 1, and reduce the labor intensity.

The spot welder 200 is used for welding the welding part of the workpiece 1, the welding quality is high, the strength of the workpiece 1 is high, the compactness is good, and the machine body and the upper electrode seat 230 are provided with the mutually matched inclined lifting guide structure 270, so that the upper electrode seat 230 can drive the upper electrode 240 to move to guide, the upper electrode 240 moves stably, the welding position is accurate, and the welding quality is ensured.

In some embodiments of the present application, the upper electrode elevating power member 220 is a cylinder, the cylinder is disposed obliquely, and the oblique direction is parallel to the oblique direction of the axis L, and the cylinder piston rod is obliquely upward and connected with the upper electrode holder 230.

The above structure of the upper electrode lifting power part 220 can make the position of the upper electrode lifting power part on the spot welding device relatively lower, so that the whole spot welding device has compact structure and lower gravity center, and the lower electrode 260 moves downwards in a mode of pulling down the upper electrode seat 230, and simultaneously, the upper electrode 240 moves more stably and reliably under the guiding action of the inclined lifting guiding structure 270.

In some embodiments of the present application, the body of spot welder 200 includes an upper body 210 and a lower body 280.

The upper body 210 includes a vertical upper body vertical portion 211 and an inclined portion 212 inclined in a direction parallel to the inclined direction of the axis L, the inclined portion 212 is located above the upper body vertical portion 211 and is fixedly connected with the upper body vertical portion 211 as a whole, and the upper electrode holder 230, the upper electrode 240, the lower electrode holder 250, the lower electrode 260, the inclined lifting guide mechanism, and the upper electrode lifting power member 220 are disposed on the inclined portion 212.

The upper body upright portion 211 is detachably connected with the lower body 280. The fuselage is divided into an upper fuselage 210 and a lower fuselage 280 that are detachably connected for ease of processing and assembly.

In some embodiments of the present application, the lower body 280 includes a body base portion 281 and a lower body upright portion 282, the body base portion 281 being used to mount the entire spot welder 200 on the work bench 310. The upper body upright portion 211 is specifically detachably connected to the lower body upright portion 282. The upper body upright portion 211 or the lower body upright portion 282 is provided with a height adjusting structure for adjusting the installation height of the upper body 210 on the lower body 280.

Specifically, the height adjusting structure may be a long strip screw hole 283, for example, a plurality of screw connection holes are formed in the upper body vertical portion 211, a plurality of screw connection holes are correspondingly formed in the lower body vertical portion 282, and the height adjusting structure is formed by setting the screw connection holes in the upper body vertical portion 211 or the lower body vertical portion 282 to be vertically extending long strip screw holes 283, so that the vertical position of the upper body vertical portion 211 relative to the lower body vertical portion 282 can be adjusted, and the installation height of the upper body 210 can be adjusted, so that the welding of different workpieces 1 can be adapted conveniently.

In some embodiments of the present application, the upper electrode 240 is detachably mounted on the upper electrode holder 230, and the lower electrode 260 is detachably mounted on the lower electrode holder 250, so that different electrodes can be replaced according to different working conditions.

Specifically, the upper electrode holder 230 includes an upper electrode holder fixing portion 231 and a detachable portion 232, the detachable portion 232 is connected to the upper electrode holder fixing portion 231 by a screw to clamp and fix the upper electrode 240 therebetween, and the detachable mounting of the lower electrode 260 is configured in a similar manner, which is not described herein.

For the positioning and pressing device, as shown in fig. 10, the pressing upper die 110 includes a pressing portion 111 and a connecting portion 112, the pressing portion 111 and the connecting portion 112 are connected into a whole, the connecting portion 112 is connected with a power output end of the positioning and pressing power component 130, and the positioning and pressing power component 130 drives the pressing portion 111 to lift through the connecting portion 112, so that the pressing upper die 110 and the positioning lower die 120 cooperate to press the workpiece 1.

The positioning lower die 120 of the positioning and compacting device is provided with a concave positioning part 121 matched with the outer contour of the workpiece 1, the opening of the concave positioning part 121 faces upwards, and the workpiece 1 is positioned in the concave positioning part 121 in a matched manner, so that the workpiece 1 can be reliably positioned.

In some embodiments of the present application, the positioning and compacting apparatus 100 further includes a base 140, and the positioning lower die 120 and the positioning and compacting power member 130 are fixed on the base 140, and the positioning and compacting power member 130 pulls the upper die 110 downward to compact the workpiece 1.

The positioning and pressing device 100 with the structure has the advantages that the structure is compact and stable, the gravity center is lower, the workpiece 1 is pressed by pulling down the pressing upper die 110, and the pressing upper die 110 moves stably and reliably, so that the positioning and pressing effects on the workpiece 1 are further improved.

As shown in fig. 10, the positioning lower die 120 and the positioning pressing power component 130 are arranged on the base 140 side by side, the positioning pressing power component 130 has a higher height, a multi-shaft cylinder arranged vertically upwards is adopted, the pressing upper die 110 is in a transverse L shape, the horizontal part thereof is a connecting part 112, the horizontal part is fixedly connected to the output end of the multi-shaft cylinder through a screw, the vertical part of the pressing upper die 110 downward forms a pressing part 111, and the pressing part is positioned right above the positioning lower die 120.

The contact area between the multi-shaft air cylinder and the connecting part 112 is large, so that the downward pulling force transmitted to the pressing part 111 is large and uniform, the pressing force of the pressing part 111 on the workpiece 1 is balanced as much as possible, and the pressing is reliable.

For the linear elongated workpiece 1 shown in fig. 1 and 2, when it is required to center the reinforcing member 20 with the workpiece body 10, that is, the distance between one end of the reinforcing member 20 and the corresponding end of the workpiece body 10 is equal to the distance between the other end of the reinforcing member 20 and the corresponding end of the workpiece body 10, that is, the width of the portion b of the both ends of the workpiece 1 is equal, it is required to center the reinforcing member 20 with the workpiece body 10 before welding.

To achieve self-centering adjustment of the stiffener 20 relative to the workpiece body 10, in some embodiments of the application, the spot welding apparatus further includes a centering mechanism 400 for driving the stiffener 20 to slide relative to the flange 12 into a centered position with respect to the workpiece body 10 prior to welding.

Specifically, before welding, the reinforcing member 20 may be inserted into the workpiece body 10 from one end of the workpiece body 10 in the form of an insert when placed into the workpiece body 10 until the reinforcing member 20 is completely located in the workpiece body 10 with both ends being spaced apart from both ends of the workpiece body 10.

Then, the workpiece 1 is again put in place on the spot welding apparatus.

Prior to welding, the centering mechanism 400 is operated to slide the stiffener 20 relative to the flange 12 into a centered position with respect to the workpiece body 10.

In some embodiments of the present application, as shown in fig. 4 to 6 and 11, the centering mechanism 400 is located outside the end of the workpiece 1, and includes a centering power member 410 and a centering pushing member 420 connected to the output end of the centering power member 410, where the centering power member 410 is used to drive the centering pushing member 420 to move telescopically along the extending direction of the workpiece body 10, and the centering pushing member 420 pushes the stiffener 20 to slide to a position centered with the workpiece body 10 relative to the turned-in edge 12 when extended, and the centering power member 410 drives the centering pushing member 420 to return after centering.

In some embodiments of the present application, the centering mechanism 400 is disposed one set each outside the two ends of the workpiece 1, and the centering pushing members 420 of the two sets of centering mechanisms 400 are simultaneously extended to push the stiffener 20 to move to a centered position with respect to the main body 10 of the workpiece with respect to the burring edge 12.

That is, the two centering mechanisms 400 respectively extend from both ends of the reinforcing member 20 synchronously, so that no matter which end of the workpiece body 10 the reinforcing member 20 is biased to before centering, the corresponding centering mechanism 400 pushes the workpiece body to move to the centering position, thereby improving centering adjustment efficiency and reliability.

In some embodiments of the present application, the centering mechanism 400 further includes a guide member 430, as shown in fig. 6, the guide member 430 being fixedly disposed, the guide member 430 having a guide channel 431 adapted to the cross-sectional profile of the centering push member 420, the centering push member 420 passing through the guide channel 431.

The guide member 430 can support and guide the centering and pushing member 420, avoiding complete deformation of the centering and pushing member 420 of the cantilever structure under its own weight.

The guide member 430 may be a block-shaped structure or a sheet-shaped structure, fixed to the table 310, or a slapping lower die, etc.

To enhance the structural strength of the centering pushing member 420, the centering pushing member 420 includes a fixing portion 421 and a pushing portion 422, the pushing portion 422 is vertically connected to the fixing portion 421, and the fixing portion 421 is fixedly connected to the output end of the centering power member 410. The pushing part 422 extends into the workpiece main body 10 to contact with the reinforcing member 20 to push the reinforcing member 20, so that the size of the pushing part 422 can be smaller, and the volume of the fixing part 421 is larger to increase the overall structural strength of the centering pushing part 420, increase the contact area with the output end of the centering power part 410 and improve the connection reliability.

For horizontally placed workpiece 1, centering power component 410 drives centering pushing component 420 to move horizontally in a telescoping manner, which may be a horizontally mounted multi-axis cylinder, disposed on table 310.

In some embodiments of the present application, as shown in fig. 3 and 4, the spot welding apparatus further includes a support member 500 for assisting in supporting the workpiece 1.

The support member 500 may be a support column having a support groove at its top end adapted to the outer contour of the workpiece 1, in which the workpiece 1 is supported. For the long-strip-shaped workpiece 1, a plurality of support members 500 may be provided at intervals along the longitudinal direction of the workpiece 1.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A spot welding apparatus, characterized by comprising:

Spot welder, it includes:

A body;

the upper electrode lifting power component is arranged on the machine body;

the upper electrode is arranged on the upper electrode seat;

the lower electrode seat is arranged on the machine body;

the lower electrode is arranged on the lower electrode seat;

2. The spot welding apparatus according to claim 1, wherein,

The upper electrode lifting power component is an air cylinder, the air cylinder is obliquely arranged, the oblique direction is parallel to the oblique direction of the axis, and the piston rod of the air cylinder is obliquely upwards connected with the upper electrode seat.

3. The spot welding apparatus according to claim 1, wherein,

The machine body comprises an upper machine body and a lower machine body;

4. A spot welding apparatus as defined in claim 3, wherein,

The lower machine body comprises a machine body base part and a lower machine body vertical part, the upper machine body vertical part is detachably connected with the lower machine body vertical part, and the upper machine body vertical part or the lower machine body vertical part is provided with a height adjusting structure for adjusting the installation height of the upper machine body on the lower machine body.

5. The spot welding apparatus according to claim 1, wherein,

The upper electrode is detachably mounted on the upper electrode seat, and the lower electrode is detachably mounted on the lower electrode seat.

6. The spot welding apparatus according to claim 1, wherein,

The pressing upper die comprises a pressing part and a connecting part, and the connecting part is connected with the power output end of the positioning pressing power component;

7. The spot welding apparatus according to claim 6, wherein,

The positioning and compacting device further comprises a base, the positioning lower die and the positioning and compacting power component are fixedly arranged on the base, and the positioning and compacting power component pulls the compacting upper die to move downwards to compact the workpiece.

8. The spot welding apparatus according to claim 1, wherein,

The workpiece is in a strip shape extending along a straight line, the positioning and pressing devices are arranged at a plurality of positions along the length direction of the workpiece at intervals, and the positioning and pressing devices and the spot welding machine are arranged at intervals along the length direction of the workpiece.

9. The spot welding apparatus according to claim 1, wherein,

The spot welding apparatus further includes a support member for supporting the workpiece in an auxiliary manner.

10. The spot welding apparatus according to claim 1, wherein,

The spot welding equipment further comprises a machine body frame, wherein the machine body frame comprises a workbench, and the positioning and pressing device and the spot welding machine are arranged on the workbench.