CN220782727U

CN220782727U - Automatic change welding equipment

Info

Publication number: CN220782727U
Application number: CN202321827677.3U
Authority: CN
Inventors: 高增亮; 孟德河; 滕志平; 钱明星; 刘培伟
Original assignee: Shandong Haoshun Machinery Co ltd
Current assignee: Shandong Haoshun Machinery Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-04-16
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses automatic welding equipment, which comprises a rack, wherein a rotating shaft driven to rotate by a power mechanism is arranged on the rack, a shaft sleeve is sleeved on the rotating shaft, a positioning disc is arranged at the end part of the rotating shaft, and a positioning mechanism capable of positioning the shaft sleeve is arranged at the end part, far away from the positioning disc, of the shaft sleeve; the welding machine is characterized in that the welding machine is arranged on the frame, at least one welding gun for welding the shaft sleeve is arranged on the welding machine, the welding gun is correspondingly arranged at a position to be welded on the shaft sleeve, and the swinging mechanism capable of driving the welding gun to swing is further arranged on the frame. Through setting up structures such as positioning mechanism, swing mechanism, can weld the sleeve voluntarily to ensure that the welding seam is even, improved product quality and work efficiency.

Description

Automatic change welding equipment

Technical Field

The utility model relates to the technical field of automatic welding equipment, in particular to automatic welding equipment.

Background

Welding, also known as fusion welding, is a process and technique for joining metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or high pressure. In the welding process, the workpiece and the welding flux are melted to form a melting area, and the molten pool is cooled and solidified to form a connection between materials. In this process, pressure is also typically required. There are a variety of sources of energy for welding including gas flame, electric arc, laser, electron beam, friction, ultrasonic, and the like.

When welding shaft products, arc welding is generally adopted, and is a welding mode commonly adopted in industrial production, the welding rod and a welding workpiece are mutually melted by heat generated by arc discharge, and a welding seam is formed after condensation, so that a firm joint is obtained. The axle sleeve for heavy truck is composed of hollow axle body and end covers at two ends of axle body, and when the assembly of product parts is completed, the two parts need to be shaped by welding gun. When the existing shaft sleeve is welded, a welding gun is usually required to be manually held to swing a reciprocating saw-tooth route (the welding gun in the prior art is used for word welding or reflow welding so as to form fishtail lines after welding forming), but the welding seam of a finished product is uneven, the welding is required to be manually rotated for a plurality of times for welding, the welding break points are more, welding slag is difficult to clean, the welding quality is poor, and the working efficiency is lower; in addition, because the welding seam needs to be even and full and has no defects, the common workers cannot operate on duty, and the labor cost is high.

Disclosure of Invention

Aiming at the defects existing in the prior art, the technical problem to be solved by the utility model is to provide an automatic welding device which can automatically weld the sleeve, ensure uniform welding seams and improve the product quality and the working efficiency.

In order to solve the technical problems, the utility model comprises a frame, and is characterized in that a rotating shaft driven to rotate by a power mechanism is arranged on the frame, a shaft sleeve is sleeved on the rotating shaft, a positioning disc is arranged at the end part of the rotating shaft, the end part of the shaft sleeve, which is far away from the positioning disc, is provided with a positioning mechanism capable of positioning the shaft sleeve; the welding machine is characterized in that the welding machine is arranged on the frame, at least one welding gun for welding the shaft sleeve is arranged on the welding machine, the welding gun is correspondingly arranged at a position to be welded on the shaft sleeve, and the swinging mechanism capable of driving the welding gun to swing is further arranged on the frame.

After the structure is adopted, when the device is used, the shaft sleeve is sleeved on the rotating shaft, one end of the shaft sleeve is propped against the positioning disc, and the positioning mechanism at the other end is propped against the other end of the shaft sleeve to position the shaft sleeve; then, under the action of the swinging mechanism, the welding gun always corresponds to the to-be-welded part on the shaft sleeve, and the welding gun which continuously swings can continuously weld the to-be-welded part of the shaft sleeve; at this time, the power mechanism drives the rotating shaft to rotate, and the swinging welding gun continuously and uniformly welds the to-be-welded part on the shaft sleeve, so that the uniformity of welding seams is ensured. According to the utility model, the shaft sleeves with different lengths can be positioned by arranging the positioning disc and the positioning mechanism; through arranging the swinging mechanism, the welding gun can continuously swing, the shaft sleeve automatically welds, and the shaft sleeve rotates along with the rotating shaft and swings the welding gun, so that the welding process simulates the word welding in the manual arc welding, thereby being convenient for forming compact welding fish tail lines, improving the welding quality and avoiding welding defects such as excessive welding slag, air holes and the like; the manual hand-held welding is not needed any more to change the direction for welding, so that the uniformity of welding seams is ensured, and the product quality and the working efficiency are improved.

Preferably, the positioning mechanism comprises a guide cylinder arranged on the frame, the guide cylinder is arranged corresponding to the shaft sleeve, a positioning shaft driven by the first driving mechanism is arranged in the guide cylinder in a penetrating manner, and the end part of the positioning shaft is propped against the positioning cover.

Preferably, the positioning cover is in a ladder-shaped structure, a small-diameter end of the positioning cover is inserted on the inner wall of the shaft sleeve, and a large-diameter end of the positioning cover abuts against the end part of the shaft sleeve.

Preferably, the number of the welding guns is two, the two welding guns are respectively arranged corresponding to welding positions at two ends of the shaft sleeve, and each welding gun is further provided with a swinging mechanism for controlling the welding gun to swing.

Preferably, the swing mechanism comprises a second driving mechanism arranged on the frame, the second driving mechanism is in driving connection with a worm capable of running in the vertical direction, a seat ring is arranged on the welding gun, a transmission shaft is arranged on the seat ring in a penetrating mode, a worm wheel is sleeved on the transmission shaft, and the worm is meshed with the worm wheel.

Preferably, the swinging mechanism comprises an L-shaped mounting plate mounted on the frame, and the second driving mechanism is mounted on the top of the mounting plate.

Preferably, the swing mechanism comprises a support frame arranged on the frame, a support shaft is arranged at the top of the support frame, a guide rod is rotatably connected to the support shaft, a strip-shaped guide groove is formed in the guide rod, and a sector gear which swings along with the swing of the guide rod is sleeved on the support shaft; the frame is also provided with a connecting rod driven to rotate by a swing power mechanism, the end part of the connecting rod is provided with a crank arm, and one end of the crank arm slides along the guide groove and swings the guide rod; the welding gun is provided with a swinging rod, a driving wheel is sleeved on the swinging rod, and the driving wheel is meshed with the sector gear.

Preferably, the crank arm is L-shaped, the crank arm comprises a connecting part connected with the connecting rod and a poking rod poking the guide rod to swing, and the poking rod moves along the guide groove

According to the utility model, the positioning disc and the positioning cover driven by the first driving mechanism are arranged, so that the shaft sleeves with different specifications can be positioned; through setting up the vertical motion of second actuating mechanism drive worm to drive the worm wheel rotation with meshing with it, the rotation of worm wheel drives the transmission shaft and rotates, and welder swings thereupon, makes welder can last at uniform velocity swing, makes it carry out continuous even welding to the axle sleeve automatically, does not need the manual handheld welding of manpower to change the direction and welds, has guaranteed that the welding seam is even, has improved product quality and work efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the principles of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application. In the drawings:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a swing mechanism according to the present utility model;

FIG. 3 is a schematic view of another embodiment of the swing mechanism of the present utility model;

FIG. 4 is a left side view of FIG. 3;

fig. 5 is a schematic structural view of the sleeve according to the present utility model.

In the figure: 1-frame, 2-axle sleeve, 3-positioning disk, 4-positioning mechanism, 401-guiding cylinder, 402-positioning shaft, 403-positioning cover, 5-swing mechanism, 501-mounting plate, 502-second driving mechanism, 503-transmission shaft, 601-supporting frame, 602-supporting shaft, 603-guiding rod, 604-sector gear, 605-driving wheel, 606-swing rod.

Detailed Description

In order to better understand the solution of the present application, the following description will clearly and completely describe the solution of the embodiment of the present utility model with reference to fig. 1 to 5.

At present, when a shaft sleeve is welded, a welding gun is usually required to be manually held for swinging of a reciprocating saw-tooth route, a finished product weld joint is uneven, the welding is required to be manually rotated for a plurality of times, the welding break points are more, welding slag is difficult to clean, the welding quality is poor, and the working efficiency is low; in addition, because the welding seam needs to be even and full and has no defects, the common workers cannot operate on duty, and the labor cost is high. Referring to fig. 3, the shaft sleeve includes a central shaft body, a shaft hole penetrating the shaft body is axially formed in the center of the shaft body, a front end cover and a rear end cover are respectively arranged at two ends of the shaft body, and through holes communicated with the shaft hole of the shaft body are formed in the front end cover and the rear end cover. In order to solve the problems, the utility model provides automatic welding equipment, which comprises a rack, wherein a rotating shaft driven to rotate by a power mechanism is arranged on the rack, a shaft sleeve is sleeved on the rotating shaft, a positioning disc is arranged at the end part of the rotating shaft, the end part of the shaft sleeve, which is far away from the positioning disc, is provided with a positioning mechanism capable of limiting the shaft sleeve; the welding machine is arranged on the frame, at least one welding gun for welding the shaft sleeve is arranged on the welding machine, the welding gun is correspondingly arranged at a position to be welded of the shaft sleeve, and a swinging mechanism capable of driving the welding gun to swing is further arranged on the frame.

Through the arrangement of the structure, when the device is used, the shaft sleeve is sleeved on the rotating shaft, one end of the shaft sleeve is propped against the positioning disc, and the positioning mechanism at the other end of the shaft sleeve is propped against the other end of the shaft sleeve to position the shaft sleeve; then, under the action of the swinging mechanism, the welding gun always corresponds to the to-be-welded part on the shaft sleeve, and the welding gun which continuously swings can continuously weld the to-be-welded part of the shaft sleeve; at this time, the power mechanism drives the rotating shaft to rotate, and the swinging welding gun continuously and uniformly welds the to-be-welded part on the shaft sleeve, so that the uniformity of welding seams is ensured. According to the utility model, the shaft sleeves with different lengths can be positioned by arranging the positioning disc and the positioning mechanism; through arranging the swinging mechanism, the welding gun can continuously swing, the shaft sleeve automatically welds, and the shaft sleeve rotates along with the rotating shaft and swings the welding gun, so that the welding process simulates the word welding in the manual arc welding, thereby being convenient for forming compact welding fish tail lines, improving the welding quality and avoiding welding defects such as excessive welding slag, air holes and the like; the manual hand-held welding is not needed any more to change the direction for welding, so that the uniformity of welding seams is ensured, and the product quality and the working efficiency are improved.

The above-described scheme will now be described in detail using an embodiment, in which the left-right direction of fig. 1 is set as a horizontal direction and the up-down direction is set as a vertical direction for convenience of description.

The automatic welding equipment for producing the shaft sleeve 2 comprises a frame 1, wherein a power mechanism is arranged on the frame 1, the power mechanism is in driving connection with a rotating shaft, the rotating shaft is sleeved with the shaft sleeve 2, preferably, the end surface of the rotating shaft, which is far away from the power mechanism, is spaced from the end surface of the shaft sleeve 2, which is far away from the power mechanism, by a distance, namely, the end part of the rotating shaft, which is far away from the power mechanism, is positioned in a shaft hole of the shaft sleeve 2, the shaft sleeve 2 can rotate along with the rotating shaft under the driving of the power mechanism, the power mechanism adopts a motor and the like, the end part, which is close to the power mechanism, of the rotating shaft is provided with a positioning disc 3 propped against the end surface of the shaft sleeve 2, a boss is arranged at the center of the positioning disc 3, and the boss is clamped in a sleeve hole of the shaft sleeve 2; the tip that keeps away from positioning disk 3 on the axle sleeve 2 is provided with the positioning mechanism 4 that can fix a position to axle sleeve 2, this positioning mechanism 4 is including setting up the locating cover 403 at axle sleeve 2 tip, still include two slope setting up the backup pad in frame 1, two backup pads set up relatively and incline to each other, the upper end support of two backup pads is connected with guide cylinder 401, guide cylinder 401 corresponds the setting with axle sleeve 2, wear to be equipped with in the guide cylinder 401 by first actuating mechanism driven locating shaft 402, the setting of guide cylinder 401 plays the guide effect, avoid back shaft 602 unable to compress tightly axle sleeve 2. The end of the positioning shaft 402 is pressed against the positioning cover 403, the positioning cover 403 is in a step structure, the small diameter end of the positioning cover 403 is inserted on the inner wall of the shaft sleeve 2, the large diameter end is pressed against the end of the shaft sleeve 2, wherein a space is reserved between the end face of the positioning cover 403 facing the rotating shaft and the end face of the rotating shaft facing the positioning cover 403, so that the positioning cover 403 can be prevented from affecting the smooth rotation of the shaft sleeve 2 driven by the rotating shaft. Preferably, the guide cylinder 401 is coaxially arranged with the shaft sleeve 2, and the first driving mechanism adopts a cylinder, an electric push rod and other structures, so that the positioning cover 403 is pressed on the shaft sleeve 2 to position the shaft sleeve 2 while driving the positioning shaft 402 to move linearly.

The frame 1 is also provided with a welding machine, the welding machine is provided with at least one welding gun for welding the shaft sleeve 2, the welding gun is correspondingly arranged with a part to be welded on the shaft sleeve 2, normally, two ends of the shaft sleeve 2 are required to be welded, and if only one welding gun is provided, one end is welded before the other end is welded; preferably, the number of welding guns is two, the two welding guns are respectively arranged corresponding to the positions to be welded at the two ends of the shaft sleeve 2, and each welding gun is respectively provided with a swinging mechanism 5 capable of controlling the welding gun to swing. The swinging mechanism 5 is arranged on the frame 1, and the swinging mechanism 5 can drive the welding gun to swing, so that the welding gun can continuously and uniformly weld the to-be-welded part on the shaft sleeve 2. The structure of the swing mechanism 5 described above may take various forms, and two structures are described below. Referring to fig. 2, the first structure is set as a preferred structure: the swinging mechanism 5 comprises an L-shaped mounting plate 501 mounted on the frame 1, a longer plate of the mounting plate 501 is arranged on the frame 1, a second driving mechanism 502 is mounted on a shorter plate, namely the second driving mechanism 502 is mounted on the top of the supporting plate, the second driving mechanism 502 is in driving connection with a worm capable of running in the vertical direction, and the second driving mechanism 502 adopts a cylinder and other structures for pushing the worm to move in the vertical direction along the supporting plate; the welding gun is provided with a seat ring, the seat ring is rotationally connected with a transmission shaft 503, the end part of the transmission shaft 503 is sleeved with a worm wheel, and the worm wheel is meshed with a worm, so that when the second driving mechanism 502 drives the worm to vertically move, the worm wheel is rotated in a reciprocating manner, and the welding gun is driven to swing, so that uniform welding is ensured; wherein, be provided with the mounting hole on this seat circle, welder wears to adorn in the mounting hole. Referring to fig. 3-4, the second structure is as follows: the swing mechanism 5 comprises a support frame 601 arranged on a frame 1, a support seat is arranged at the top of the support frame 601, a mounting hole is formed in the support seat, a support shaft 602 is arranged in the mounting hole in a penetrating manner, a guide rod 603 is connected to the support shaft 602 in a rotating manner, a strip-shaped guide groove is formed in the guide rod 603, a fan-shaped sector gear 604 is sleeved on the support shaft 602, and the sector gear 604 swings along with the swing of the guide rod 603; the frame 1 is also provided with two corresponding first installation seats and two second installation seats which are coaxially arranged, the first installation seats are penetrated with connecting rods driven to rotate by the swing power mechanism, the second installation seats are penetrated with swinging rods 606, one ends of the swinging rods 606 are provided with driving wheels 605, and the other ends of the swinging rods 606 are connected with a welding gun; the end of the connecting rod is provided with an L-shaped crank arm, the crank arm comprises a connecting part connected with the connecting rod and a poking rod, the poking rod runs along the guide groove to drive the guide rod 603 to swing, thereby driving the sector gear 604 to rotate, the driving wheel 605 meshed with the sector gear rotates in a reciprocating manner, the swinging rod 606 swings along with the driving wheel, and the welding gun continuously and uniformly swings in a reciprocating manner to weld the two ends of the shaft sleeve 2.

When the positioning device works, firstly, the shaft sleeve 2 is sleeved on the rotating shaft, one end of the shaft sleeve 2 is propped against the positioning disc 3, the first driving mechanism drives the positioning shaft 402 to penetrate through the guide cylinder 401 to press the positioning cover 403, so that the positioning cover 403 presses the other end of the shaft sleeve 2, namely, under the action of the positioning mechanism 4, the other end is propped against the other end of the shaft sleeve 2, and the shaft sleeve 2 is positioned. Then, the second driving mechanism 502 drives the worm to vertically move, the worm wheel rotates forwards and backwards, the number of teeth on the worm is adjusted according to the requirement by the forward and backward rotation angle, the rotation of the worm wheel drives the transmission shaft 503 to rotate, and the welding gun swings along with the rotation, so that the welding gun can continuously and uniformly weld the to-be-welded part of the shaft sleeve 2; under the action of the swinging mechanism 5, the welding gun always corresponds to the to-be-welded position on the shaft sleeve 2, and the welding gun which continuously swings can continuously weld the to-be-welded position of the shaft sleeve 2; at this time, the power mechanism drives the rotating shaft to rotate, and the swinging welding gun continuously welds the to-be-welded part on the shaft sleeve 2, so that the uniformity of welding seams is ensured. The positioning disc 3 and the positioning cover 403 driven by the first driving mechanism can be arranged to position the shaft sleeves 2 with different specifications; the worm is driven to vertically move by the second driving mechanism 502, so that the worm wheel meshed with the worm is driven to rotate, the transmission shaft 503 is driven to rotate by the rotation of the worm wheel, and the welding gun swings along with the worm wheel, so that the welding gun can continuously swing at a uniform speed, the shaft sleeve 2 can automatically and continuously and uniformly weld the shaft sleeve 2, and the shaft sleeve 2 can simulate the word welding in the manual arc welding along with the rotation of the rotation shaft and the swinging of the welding gun, so that compact welding fish tail lines are formed conveniently, the welding quality is improved, and welding defects such as excessive welding slag, air holes and the like are avoided; the manual hand-held welding is not needed any more to change the direction for welding, so that the uniformity of welding seams is ensured, and the product quality and the working efficiency are improved.

The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. An automatic welding device comprises a frame (1), and is characterized in that a rotating shaft driven to rotate by a power mechanism is arranged on the frame (1), a shaft sleeve (2) is sleeved on the rotating shaft, a positioning disc (3) propped against the end face of the shaft sleeve (2) is arranged at the end part, far away from the positioning disc (3), of the shaft sleeve (2), and a positioning mechanism (4) capable of positioning the shaft sleeve (2) is arranged at the end part, far away from the positioning disc (3), of the shaft sleeve; the welding machine is characterized in that the welding machine is arranged on the frame (1), at least one welding gun for welding the shaft sleeve (2) is arranged on the welding machine, the welding gun is arranged corresponding to a to-be-welded part on the shaft sleeve (2), and the swinging mechanism (5) capable of driving the welding gun to swing is further arranged on the frame (1).

2. The automatic welding equipment according to claim 1, characterized in that the positioning mechanism (4) comprises a guide cylinder (401) arranged on the frame (1), the guide cylinder (401) is arranged corresponding to the shaft sleeve (2), a positioning shaft (402) driven by the first driving mechanism is penetrated in the guide cylinder (401), and the end part of the positioning shaft (402) is propped against the positioning cover (403).

3. The automated welding equipment according to claim 2, characterized in that the positioning cover (403) is provided in a stepped structure, the small diameter end of the positioning cover (403) being inserted on the inner wall of the sleeve (2), the large diameter end being abutted against the end of the sleeve (2).

4. The automatic welding device according to claim 1, wherein the number of welding guns is two, the two welding guns are respectively arranged corresponding to welding positions at two ends of the shaft sleeve (2), and each welding gun is further provided with a swinging mechanism (5) for controlling the welding guns to swing.

5. The automatic welding equipment according to claim 4, characterized in that the swinging mechanism (5) comprises a second driving mechanism (502) arranged on the frame (1), the second driving mechanism (502) is in driving connection with a worm capable of running in the vertical direction, a seat ring is arranged on the welding gun, a transmission shaft (503) is arranged on the seat ring in a penetrating way, a worm wheel is sleeved on the transmission shaft (503), and the worm is meshed with the worm wheel.

6. The automated welding apparatus of claim 5, wherein the swing mechanism (5) further comprises an L-shaped mounting plate (501) mounted on the frame (1), and the second drive mechanism (502) is mounted on top of the mounting plate (501).

7. The automatic welding equipment according to claim 4, wherein the swinging mechanism (5) comprises a supporting frame (601) arranged on the frame (1), a supporting shaft (602) is arranged at the top of the supporting frame (601), a guide rod (603) is rotatably connected to the supporting shaft (602), a strip-shaped guide groove is formed in the guide rod (603), and a sector gear (604) swinging along with the swinging of the guide rod (603) is sleeved on the supporting shaft (602); the frame (1) is also provided with a connecting rod driven to rotate by a swing power mechanism, the end part of the connecting rod is provided with a crank arm, and one end of the crank arm slides along the guide groove and swings through the toggle guide rod (603); the welding gun is provided with a swinging rod (606), a driving wheel (605) is sleeved on the swinging rod (606), and the driving wheel (605) is meshed with the sector gear (604).

8. The automated welding apparatus of claim 7, wherein the lever is provided in an L-shape, the lever including a connection portion connected with the link and a toggle lever swung by a toggle guide lever (603), the toggle lever running along the guide groove.