CN110666426A

CN110666426A - Corner welding device for automobile stamping accessories

Info

Publication number: CN110666426A
Application number: CN201911029612.2A
Authority: CN
Inventors: 李孙德
Original assignee: Ma'anshan Sanchuan Machinery Manufacturing Co Ltd
Current assignee: Ma'anshan Sanchuan Machinery Manufacturing Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-01-10

Abstract

The invention relates to the technical field of automobile part welding equipment, in particular to an automobile stamping part corner welding device which comprises a base and a welding platform, wherein the welding platform is fixed at the upper end of the base, first air cylinders are arranged at the left end and the right end of the upper surface of the welding platform, a piston rod of each first air cylinder is provided with a clamping plate, an upright post is fixed on the upper surface of the welding platform, a cover body is fixed at the top end of each upright post, a moving cavity is arranged inside the cover body, a sliding rod is connected to the inner wall of the left side of the moving cavity, and a fixed block connected with the sliding rod is arranged; according to the corner clamping mechanism, when the corners of the automobile stamping accessories are welded, the clamping wheels on the movable rotating plates on the two sides can clamp the two corners to be welded, so that the inclination of the corners is eliminated, then in the moving process of the welding moving block, the clamping wheels on the two sides clamp the corners firstly and then weld the corners through the electric welding gun, and the corner welding quality of the automobile stamping accessories can be greatly improved.

Description

Corner welding device for automobile stamping accessories

Technical Field

The invention relates to the technical field of automobile accessory welding equipment, in particular to an automobile stamping accessory corner welding device.

Background

The automobile is assembled by a plurality of automobile parts, wherein the automobile parts are mainly divided into casting parts and stamping parts, most of the casting parts are cast integrally formed components, and the stamping parts are generally formed by stamping and forming steel plates. In the process of stamping and forming the steel plate, because a plurality of stamping accessories have complex structures, if the steel plate is directly stamped at one time, the stamping machine and the stamping die have high performance requirements, and the more complex the stamping accessories are, the more easily the stamping parts are blocked in the stamping process. Therefore, in the actual production process, a plurality of stamping parts are divided into a plurality of stamping assemblies and then welded to form the stamping assembly.

At present, welding between stamping parts is generally carried out by a skilled welder or is carried out by using a welding machine tool, the labor cost is greatly increased by welding of the welder, the welding efficiency is low, the welding efficiency is improved by using the welding machine tool for welding, but the corners of the stamping parts can be left with certain inclination angles (as shown in figure 9) in order to facilitate demoulding in the stamping forming process, but the welding quality is seriously influenced because the corners of the two stamping parts are welded badly due to the existence of the inclination angles.

The invention with the patent number of CN108176938A discloses an automobile part welding device, which comprises two support columns, a clamping device and a welding device, wherein the two support columns are arranged on the ground, two upright posts are riveted on the two support columns, vertical guide rails are arranged on the two upright posts, vertical sliding blocks are embedded on the vertical guide rails, a cross beam is riveted between the vertical sliding blocks, a transverse guide rail is arranged on the cross beam, a transverse sliding block is embedded on the transverse guide rail, and the welding device is riveted below the transverse sliding block; a telescopic device is further arranged at the joint of the support column and the upright column, which faces to one position of the inner side of the device, and a clamping device is arranged on the telescopic device; although the welding device can stably clamp the automobile parts and can clamp the automobile parts with different sizes, the problem that the welding quality is influenced by the inclination of the corners cannot be effectively solved. Aiming at the technical problems and the defects of the existing device, the invention can effectively solve the poor welding caused by the inclination of the corners of the automobile parts, which is a technical problem to be solved.

Disclosure of Invention

The invention aims to solve the technical problem of designing a device for welding the corners of automobile stamping accessories, which is used for solving the problem of poor welding caused by the inclination of the corners of the automobile stamping accessories when the two existing automobile stamping accessories are welded.

The invention is realized by the following technical scheme:

a corner welding device for automobile stamping accessories comprises a base and a welding platform, wherein the welding platform is fixed at the upper end of the base, first air cylinders are arranged at the left end and the right end of the upper surface of the welding platform, a clamping plate is arranged on a piston rod of each first air cylinder, a stand column is fixed on the upper surface of the welding platform, a cover body is fixed at the top end of the stand column, a moving cavity is arranged inside the cover body, a sliding rod is connected to the inner wall of the left side of the moving cavity, a fixing block connected with the sliding rod is arranged at the right end of the moving cavity, a welding moving block is arranged on the sliding rod in a sliding mode, a reset spring connected with the inner wall of the left side of the moving cavity is connected to the top end of the left side of the welding moving block, an electric welding gun is connected to the left side of the, a square through hole is arranged between the strip-shaped groove and the cavity, a wire guide wheel is arranged in the cavity above the square through hole, a steel rope through hole is arranged on the right side surface of the welding moving block, a steel rope is arranged in the steel rope through hole, the left end of the steel rope extends into the square through hole through the wire guide wheel, the steel rope on the right side of the wire guide wheel is connected with a moving plate matched with the section of the cavity, a metal block is arranged on the right side surface of the top end of the moving plate, a limiting block is arranged at the right end of the top wall of the cavity, a round hole capable of penetrating through the metal block is arranged on the limiting block, an approach switch is arranged on the right side wall of the cavity on the right side of the round hole, a wire travelling wheel is arranged at the right end of a moving cavity which, the steel rope in the square through hole is connected with a corner clamping mechanism;

wherein, corner fixture includes the activity commentaries on classics board of square post, horizontal rotating shaft and both sides, the upper end of square post stretches into in the square hole with steel cable connection, the lower extreme of square post and the middle part fixed connection of horizontal rotating shaft, both sides the activity commentaries on classics board all rotates with horizontal rotating shaft to be connected, both sides be connected with the spring coil between the activity commentaries on classics board, logical groove has been seted up on the activity commentaries on classics board, it is provided with the tight pulley to lead to the inslot rotation.

As a further improvement of the scheme, the lower surface of the welding platform is communicated with an accessory receiving box, the upper surface of the accessory receiving box is rotatably provided with a box cover, a second cylinder is fixed on the left side wall of the accessory receiving box, a horizontal moving rod is connected onto a piston rod of the second cylinder, horizontal sliding grooves are formed in the front inner side wall and the rear inner side wall of the accessory receiving box, an articulated piece is arranged on the lower surface of the box cover right above the right end of the horizontal sliding groove, a movable rod connected with the articulated piece is movably connected onto the horizontal moving rod, an accessory conveying belt is arranged at the bottom of the accessory receiving box, the piston rod of the second cylinder is controlled to be shortened after welding is completed, so that the box cover rotates towards the inside of the accessory receiving box, then the welded automobile accessories slide onto the accessory conveying belt and are conveyed to a lower process, and the step that operators take off the accessories after, and manual staff reduction is realized.

As a further improvement of the above scheme, the number of the through grooves on each movable rotating plate is 1 ~ 3, and the through grooves are arranged along the same straight line, and the through grooves are specifically selected according to the condition of the corner clamping mechanism when clamping the corners of the stamping accessory.

As a further improvement of the scheme, the clamping wheel is in a circular truncated cone shape, the larger circular surface of the clamping wheel is arranged close to the lower end of the movable rotating plate, and through the special structural design of the clamping wheel, when the corners of the stamping accessory are clamped by the clamping wheel, the contact area between the wheel surface of the clamping wheel and the corners of the stamping accessory is increased, so that clamping marks on the automobile accessory are prevented, and the quality of the automobile accessory is guaranteed.

As a further improvement of the above scheme, the lower end parts of the two side surfaces of the strip-shaped groove are provided with arc-shaped surfaces, so that the corner clamping mechanism can be prevented from being abutted against two edges of the two side surfaces of the lower end of the strip-shaped groove when moving upwards under the pulling of the steel rope, the back surface of the movable rotating plate is indented, and the abrasion of parts is reduced.

Has the advantages that:

(1) according to the corner clamping mechanism, when the corners of the automobile stamping accessories are welded, the clamping wheels on the movable rotating plates on the two sides can clamp the two corners to be welded, so that the inclination of the corners is eliminated, then in the moving process of the welding moving block, the clamping wheels on the two sides clamp the corners firstly and then weld the corners through the electric welding gun, and the corner welding quality of the automobile stamping accessories can be greatly improved;

(2) the invention drives the steel rope winding drum to wind the steel rope by arranging the servo motor, in the process of winding the steel rope, the corner clamping mechanism moves to the strip-shaped groove of the welding moving block, then the movable rotating plates at two sides of the edges at the lower end of the strip-shaped groove are abutted against each other and clamp automobile accessories by the clamping wheel, simultaneously the moving plate in the cavity also moves to the limit block, when the metal block on the moving plate is aligned with the round hole on the limit block and approaches to the proximity switch, the proximity switch controls the electric welding gun to weld, and the whole welding moving block is pulled to move rightwards under the action between the moving plate and the limit block along with the further winding of the steel rope, then the servo motor rotates reversely, the welding moving block moves reversely under the action of the reset spring and carries out secondary welding, and finally under the restoring force of the spring ring on the movable rotating plates and the gravity action, the moving plate is restored to the initial state, the proximity switch cuts off the current of the electric welding gun, and the welding of the automobile stamping accessory is finished; the invention can realize the control of the clamping of the electric welding gun and the corner clamping mechanism and the left-right sliding of the welding moving block only by the servo motor, has novel structure, high automation degree of the whole welding device and good welding quality, and is worthy of great popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the front view internal plan structure of the present invention;

FIG. 2 is a schematic top plan view of the present invention;

FIG. 3 is a perspective view of the joint of the welding moving block and the corner clamping mechanism in the present invention;

FIG. 4 is a perspective view of the corner clamping mechanism of the present invention;

FIG. 5 is a perspective view of a welded moving block of the present invention;

FIG. 6 is a schematic view of the internal planar structure of the welding moving block when the steel rope is not wound;

FIG. 7 is a schematic view of the internal plane structure of the welding moving block during the winding of the steel rope in the present invention;

FIG. 8 is a schematic view of the interior plan view of the fitment receiving box of the present invention;

fig. 9 is a perspective view of a prior art stamped automobile part before corner welding.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict, and the present application will be described in detail with reference to fig. 1 ~ 7 in conjunction with the embodiments.

Example 1

Embodiment 1 has introduced a car punching press accessory corner welding set, major structure includes base 1 and welded platform 2, and welded platform 2 is fixed to be set up in the upper end of base 1. Both ends all are provided with first cylinder 3 about welded platform 2 upper surface, and the piston rod of first cylinder 3 is provided with splint (not mark in the picture), aligns the whole automobile punching press accessory on welded platform 2 through the effect of splint. Welding platform 1's last fixed surface has stand 4, and the top fixedly connected with of stand 4 covers the body 5, and the removal chamber 6 has been seted up to the inside of the cover body 5, has slide bar 7 at the left side inner wall connection who removes chamber 6 to be provided with fixed block 8 at the right-hand member that removes chamber 6, the right-hand member of its slide bar 7 is connected with fixed block 8. The sliding rod 7 is provided with a welding moving block 9 in a sliding manner, and the welding moving block 9 mainly slides left and right through a sliding hole (not marked in the figure) formed in the upper end of the welding moving block 9. The top end of the left side surface of the welding moving block 9 is connected with a return spring 10, the left end of the return spring 10 is connected with the inner wall of the left side of the moving cavity 6, and the left side surface of the welding moving block 9 is connected with an electric welding gun 11.

A bar-shaped groove 901 is formed in the lower surface of the welding moving block 9, a cavity 902 is further formed in the middle of the welding moving block 9, a square through hole 903 is formed between the bar-shaped groove 901 and the cavity 902, a wire guide wheel 12 is arranged in the cavity 902 above the square through hole 903, a steel cable through hole (not labeled in the figure) is formed in the right side surface of the welding moving block 9, a steel cable 13 is arranged in the steel cable through hole, the left end of the steel cable 13 extends into the square through hole 903 through the wire guide wheel 12, and a corner clamping mechanism 14 is connected to the bottom of the square through hole 903, specifically explaining the corner clamping mechanism 14 (refer to fig. 6).

The steel rope 13 on the right side of the wire guide wheel 12 is connected with a moving plate 15 matched with the section of the cavity 902, a metal block 16 is fixed on the right side of the top end of the moving plate 15, a limiting block 17 is arranged at the right end of the top wall of the cavity 902, a round hole (not marked in the figure) capable of penetrating through the metal block 16 is formed in the limiting block 17, and a proximity switch 18 is arranged on the inner wall on the right side of the cavity 902 on the right side of the round. A wire wheel 19 is arranged at the right end of the moving cavity 6 which is positioned on the same horizontal line of the steel rope through hole, a steel rope winding drum 20 is arranged above the wire wheel 19, a servo motor 21 is fixed on the back of the cover body 5, and the output shaft of the servo motor 21 penetrates through the end part of the cover body 5 to be connected with the steel rope winding drum 20.

Finally, in order to prevent the corner clamping mechanism 14 from abutting against two corners of two side surfaces of the lower end of the strip-shaped groove 901 when moving upwards under the pulling of the steel rope 13, thereby causing an indentation on the back surface of the movable rotating plate 143, the lower end portions of the two side surfaces of the strip-shaped groove are further provided with arc-shaped surfaces 904.

Example 2

Embodiment 2 also discloses an automobile stamped part corner welding device, which is only functionally improved on the basis of embodiment 1, and other parts are the same as the embodiment except for the improved parts. Example 2 is described in more detail below:

the lower surface of welding platform 2 is provided with accessory material receiving box 22, its accessory material receiving box 22 is linked together with welding platform 2's upper surface, upper surface at accessory material receiving box 22 rotates and is provided with case lid 23, is fixed with second cylinder 24 on the left side wall of accessory material receiving box 22, is connected with horizontal migration pole 25 on the piston rod of second cylinder 24 to set up horizontal spout 26 on the inside wall around accessory material receiving box 22, wherein horizontal migration pole 25 can slide left and right in horizontal spout 26. The lower surface of the box cover 23 right above the right end of the horizontal sliding chute 26 is provided with a hinge 27, the horizontal moving rod 25 is movably connected with a moving rod 28 connected with the hinge 27, and finally, the bottom of the accessory receiving box 22 is provided with an accessory conveyor belt 29, and the conveyor belt 29 is made of high-temperature resistant materials. In embodiment 2, by arranging the second air cylinder 24, after the welding is completed, the piston rod of the second air cylinder 24 is controlled to be shortened, so that the box cover 23 rotates towards the inside of the accessory receiving box 22, and the welded automobile accessories slide down onto the accessory conveying belt 29 along the inclined cover plate 23 and are conveyed to the next process.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A corner welding device for automobile stamping accessories comprises a base and a welding platform, wherein the welding platform is fixed at the upper end of the base, first air cylinders are arranged at the left end and the right end of the upper surface of the welding platform, clamping plates are arranged on piston rods of the first air cylinders, and the corner welding device is characterized in that a stand column is fixed on the upper surface of the welding platform, a cover body is fixed at the top end of the stand column, a moving cavity is arranged inside the cover body, a sliding rod is connected with the left inner wall of the moving cavity, a fixing block connected with the sliding rod is arranged at the right end of the moving cavity, a welding moving block is arranged on the sliding rod in a sliding manner, a reset spring connected with the left inner wall of the moving cavity is connected at the top end of the left side of the welding moving block, an electric welding gun is connected on, a cavity is formed in the middle of the welding moving block, a square through hole is formed between the strip-shaped groove and the cavity, a wire guide wheel is arranged in the cavity above the square through hole, a steel rope through hole is formed in the right side surface of the welding moving block, a steel rope is arranged in the steel rope through hole, the left end of the steel rope extends into the square through hole through the wire guide wheel, the steel rope on the right side of the wire guide wheel is connected with a moving plate matched with the section of the cavity, a metal block is arranged on the right side surface of the top end of the moving plate, a limiting block is arranged at the right end of the top wall of the cavity, a round hole capable of penetrating through the metal block is formed in the limiting block, an approach switch is arranged on the right side wall of the cavity on the right side of the round hole, a wire travelling wheel is arranged at the right end, the steel rope in the square through hole is connected with a corner clamping mechanism;

2. The automobile punching press accessory corner welding set of claim 1, characterized in that the lower surface of welding platform intercommunication has the accessory to connect the workbin, the upper surface of accessory connects the workbin rotates and is provided with the case lid, be fixed with the second cylinder on the left side wall of accessory connects the workbin, be connected with the horizontal migration pole on the piston rod of second cylinder, horizontal spout has been seted up on the inside wall around the accessory connects the workbin, be located the case lid lower surface directly over the horizontal spout right-hand member and be provided with the articulated elements, swing joint has the movable rod that is connected with the articulated elements on the horizontal migration pole, is located the bottom of accessory connects the workbin and is provided with the accessory conveyer belt.

3. The automobile punching accessory corner welding device of claim 1, characterized in that the number of the through grooves on each movable rotating plate is 1 ~ 3, and the through grooves are arranged along the same straight line.

4. The corner welding device for automobile punching accessories according to claim 1 or 3, wherein the clamping wheel is in a shape of a circular truncated cylinder, and a larger circular surface of the clamping wheel is arranged close to the lower end of the movable rotating plate.

5. The corner welding device for automobile punching accessories according to claim 1, wherein the lower end parts of the two side surfaces of the strip-shaped groove are provided with arc-shaped surfaces.