CN216858552U

CN216858552U - Positioning device for argon arc welding machine

Info

Publication number: CN216858552U
Application number: CN202123033439.9U
Authority: CN
Inventors: 石丙强
Original assignee: Luoyang Chengxin Locomotive Parts Co ltd
Current assignee: Luoyang Chengxin Locomotive Parts Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-07-01
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a positioning device for an argon arc welding machine, which relates to the technical field of argon arc welding machines and aims to solve the problems that the prior argon arc welding auxiliary frame is inconvenient for positioning and fixing a plate and is inconvenient for adjusting a welding angle when the plate is welded, the utility model is convenient for distributing the weight of the steel plate during feeding by arranging a conveying roller, improves the operation efficiency, fixes the steel plate on an angle table and a positioning table by utilizing a limiting mechanism, turns over the steel plate by adjusting the rotating angle of the angle table through the stretching and retracting of an electric push rod, forms an angle at a welding position, increases the use scenes, is convenient for carrying out multi-angle welding, improves the practicability, adjusts the height and the horizontal position of the positioning table by utilizing the transmission of mechanisms such as gears, screws and the like, can improve the accuracy of a welding seam and the welding quality, and can adapt to the steel plates with different sizes by the distribution arrangement of a plurality of groups of fixing heads, the steel plate is convenient to limit, and the practicability is improved.

Description

Positioning device for argon arc welding machine

Technical Field

The utility model relates to the technical field of argon arc welding machines, in particular to a positioning device for an argon arc welding machine.

Background

Argon arc welding is a welding technology using argon as protective gas, also called argon gas shielded welding, and is a welding technology which utilizes the protection of argon gas on a metal welding material on the basis of the principle of common electric arc welding, melts the welding material into liquid on a welded base material to form a molten pool through high current, and enables the welded metal and the welding material to achieve metallurgical combination.

The argon arc welding machine is a machine using argon arc welding, adopts an arc starting mode of high-voltage breakdown, uses industrial tungsten or active tungsten as a non-melting electrode, uses inert gas argon as protection, has wide application in production, and is often used in cooperation with an auxiliary frame.

When the existing argon arc welding auxiliary frame is used for welding plates, the plates are inconvenient to position and fix, the welding angle is inconvenient to adjust, and a lot of inconvenience is brought to an operator in use.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a positioning device for an argon arc welding machine, which adopts the technical scheme that the positioning device comprises a control circuit, a microprocessor is arranged in the control circuit, the positioning device also comprises a base, an angle table and a positioning table, the angle table and the positioning table are arranged on the base, the angle table is matched with the positioning table, supporting legs are arranged on the base, the base is hinged with a fixed end of an electric push rod, the electric push rod is electrically connected with the microprocessor, the bottom of the angle table is provided with two groups of cross frames, one group of the cross frames is hinged with the top ends of the supporting legs, the other group of the cross frames is hinged with the telescopic ends of the electric push rod, a conveying roller is arranged in the left part of the angle table, the conveying rollers are provided with a plurality of groups, the angle table is provided with a right limiting mechanism I, and a support is also arranged on the base, the bracket is provided with an operating rod and a transmission surface which are connected in a rotating way, the left end of the operating rod is provided with a driving bevel gear, the top surface of the transmission surface is rotatably connected with a main gear and a plurality of groups of shaft holes, a threaded gear is rotatably connected in the shaft holes and is meshed with the main gear, the shaft bottom end of the main gear is provided with a transmission bevel gear which is meshed with the driving bevel gear, a positioning screw rod in threaded connection is arranged in the hollow part of the threaded gear, the positioning screw rod penetrates through the shaft hole, the top end of the positioning screw rod is provided with a base platform, the base platform is connected with the positioning platform in a sliding way, the base platform is connected with a rotating rod in a rotating way, the rotary rod is provided with a threaded section, the bottom of the positioning table is provided with a sliding block, the sliding block is in threaded connection with the threaded section, and the positioning table is provided with a limiting mechanism II.

As a preferred technical scheme, the limiting mechanism I comprises a portal frame I and a fixing surface, a screw I in threaded connection is arranged on the portal frame I, sliding grooves are formed in the inner walls of the two sides of the portal frame I, a pressing plate in rotating connection is arranged at the bottom end of the screw I, the two ends of the pressing plate are in sliding connection in the sliding grooves, and the sliding grooves limit the pressing plate.

As a preferable technical scheme of the utility model, the fixing surface is flush with the top surface of the conveying roller, so that the steel plate is convenient to feed and is prevented from being bent.

According to a preferable technical scheme of the utility model, the limiting mechanism II is a portal frame II, a screw rod II is in threaded connection with the portal frame II, the bottom end of the screw rod II is connected with a plurality of groups of connecting rods through universal joints, the tail ends of the connecting rods are provided with a plurality of groups of fixing heads, the pressing firmness and stability can be improved through a plurality of groups of pressing points, and the portal frame II can adapt to planes with height difference through the universal joints.

The fixed head includes sleeve, adjusting bolt is in sleeve internal thread connection, adjusting bolt's bottom is equipped with spherical pressure head, is convenient for adapt to the surface of steel sheet, improves the practicality, adjusting bolt's top is equipped with the swing handle, is convenient for grip.

As a preferable technical scheme of the utility model, the bracket is provided with a plurality of groups of sliding holes, the bottom surface of the base station is provided with a plurality of groups of sliding rods, the sliding rods are matched with the sliding holes, and the sliding rails are connected in the sliding holes in a sliding manner and can play a role in stabilizing the lifting track of the base station.

As a preferable technical scheme of the utility model, the tail ends of the screw I, the screw II, the operating rod and the rotating rod are respectively provided with a rotating handle, so that a user can hold the screw I, the screw II, the operating rod and the rotating rod conveniently to rotate the screw I.

The utility model has the beneficial effects that: the steel plate welding device has the advantages that the conveying roller is arranged, the weight of the steel plate can be conveniently shared during feeding, the manual labor of an operator can be reduced, the operation efficiency is improved, the steel plate is fixed on the angle table and the positioning table through the limiting mechanism, the rotation angle of the angle table is adjusted through the expansion of the electric push rod, the steel plate is turned over, the angle of a welding position is formed, the use scenes are increased, the multi-angle welding is facilitated, the practicability is improved, the height and the horizontal position of the positioning table are adjusted through the transmission of mechanisms such as gears and screws, the welding accuracy can be improved, the welding quality is improved, the steel plates with different sizes can be adapted through the distribution arrangement of the multiple groups of fixing heads, the limitation on the steel plates is facilitated, and the practicability is improved.

Drawings

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings needed to be used in the detailed description or the prior art will be briefly described below; throughout the drawings, like elements or portions are generally identified by like reference numerals; in the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a left side view of the angle table of the present invention;

FIG. 4 is a schematic top view of the positioning table of the present invention;

FIG. 5 is a schematic top view of the driving surface of the present invention;

FIG. 6 is a schematic view of the construction of the threaded gear of the present invention;

FIG. 7 is an enlarged view of the structure of the present invention at A.

In the figure: 1-base, 2-angle table, 3-positioning table, 4-operating rod, 21-supporting leg, 22-electric push rod, 23-portal frame I, 24-conveying roller, 25-screw I, 26-pressing plate, 27-fixing surface, 30-base table, 31-support, 32-driving surface, 33-portal frame II, 35-screw II, 36-universal joint, 37-connecting rod, 38-fixing head, 301-rotating rod, 302-positioning screw, 303-sliding rod, 320-main gear, 321-driving bevel gear, 322-thread gear and 401-driving bevel gear.

Detailed Description

Example 1

As shown in fig. 1 to 7, the utility model discloses a positioning device for an argon arc welding machine, which adopts the technical scheme that the positioning device comprises a control circuit, a microprocessor is arranged in the control circuit, the positioning device also comprises a base 1, an angle table 2 and a positioning table 3, the angle table 2 and the positioning table 3 are arranged on the base 1, the angle table 2 is matched with the positioning table 3, a supporting leg 21 is arranged on the base 1, a fixed end of an electric push rod 22 is hinged on the base 1, the electric push rod 22 is electrically connected with the microprocessor, a cross frame is arranged at the bottom of the angle table 2, two groups of the cross frames are arranged, one group of the cross frames are hinged with the top end of the supporting leg 21, the other group of the cross frames are hinged with a telescopic end of the electric push rod 22, a conveying roller 24 is arranged in the left part of the angle table 2, a plurality of groups of the conveying rollers 24 are arranged, the angle table 2 is provided with a right part limiting mechanism I, the base 1 is further provided with a support 31, the support 31 is provided with an operating rod 4 and a transmission surface 32 which are rotatably connected, the left end of the operating rod 4 is provided with a drive bevel gear 401, the top surface of the transmission surface 32 is rotatably connected with a main gear 320 and a plurality of shaft holes, the shaft holes are provided with a plurality of groups, a threaded gear 322 is rotatably connected with the threaded gear 322 in each shaft hole, the threaded gear 322 is meshed with the main gear 320, the shaft bottom end of the main gear 320 is provided with a transmission bevel gear 321, the transmission bevel gear 321 is meshed with the drive bevel gear 401, a positioning screw 302 in threaded connection is hollow in the threaded gear 322, the positioning screw 302 penetrates through the shaft hole, the top end of the positioning screw 302 is provided with a base platform 30, the positioning platform 3 is slidably connected with the base platform 30, a rotating rod 301 is rotatably connected with the base platform 30, the rotating rod 301 is provided with a thread section on the rotating rod 301, the bottom of the positioning table 3 is provided with a sliding block, the sliding block is in threaded connection with the threaded section, and the positioning table 3 is provided with a limiting mechanism II.

As a preferred technical scheme, the limiting mechanism I comprises a portal frame I23 and a fixing surface 27, a screw I25 in threaded connection is arranged on the portal frame I23, sliding grooves are formed in the inner walls of the two sides of the portal frame I23, a pressing plate 26 in rotary connection is arranged at the bottom end of the screw I25, the two ends of the pressing plate 26 are in sliding connection in the sliding grooves, the sliding grooves limit the pressing plate 26, horizontal lifting of the pressing plate is guaranteed, and the running smoothness of the mechanism is improved.

As a preferable technical scheme of the utility model, the fixing surface 27 is flush with the top surface of the conveying roller 24, so that the steel plate is convenient to feed, the steel plate is prevented from being bent, and the clamping stability is enhanced.

As a preferable technical scheme of the utility model, the limiting mechanism II is a portal frame II 33, a screw II 35 is in threaded connection with the portal frame II 33, the bottom end of the screw II 35 is connected with a connecting rod 37 through a universal joint 36, a plurality of groups of the connecting rods 37 are provided, a fixing head 38 is arranged at the tail end of the connecting rod 37, a plurality of groups of the fixing heads 38 are provided, the pressing firmness and stability can be improved through a plurality of groups of pressing points, and the universal joint 36 can be adapted to a plane with a height difference, so that the applicability is improved.

Fixing head 38 includes sleeve, adjusting bolt is in sleeve internal thread connects, adjusting bolt's bottom is equipped with spherical pressure head, is convenient for adapt to the surface of steel sheet, improves the practicality, adjusting bolt's top is equipped with the swing handle, is convenient for grip, does benefit to user's rotation regulation.

As a preferred technical solution of the present invention, the support 31 is provided with a plurality of sets of sliding holes, the bottom surface of the base 30 is provided with a plurality of sets of sliding rods 303, the plurality of sets of sliding rods 303 are provided, the sliding rods 303 are adapted to the sliding holes, and the sliding rails 303 are slidably connected in the sliding holes, so as to stabilize a lifting track of the base 30 and improve a movement stability of the base 30.

As a preferable technical scheme of the utility model, the tail ends of the screw I25, the screw II 35, the operating rod 4 and the rotating rod 301 are respectively provided with a rotating handle, so that a user can conveniently hold and rotate the rotating handle, the rotating handle is beneficial to exerting force during use, and the working efficiency is improved.

The working principle of the utility model is as follows: firstly, a steel plate is placed on an angle table 2, the steel plate is conveyed to a fixed surface 27 by the aid of a conveying roller 24, the edge of the steel plate is exposed out of the fixed surface 27, a screw I25 on a portal frame I23 is rotated, a pressing plate 26 is pressed on the steel plate, the steel plate is fixed, another steel plate is placed on a positioning table 3, the edge of the steel plate is exposed out of the left side of the positioning table 3, then a screw II 35 on a portal frame II 33 is rotated, a connecting rod 37 falls, a fixing head 38 is pressed on the steel plate, the steel plate is fixed with the positioning table 3, the height of the right end of the angle table 2 is changed by controlling an electric push rod 22, so that the angle table 2 rotates by taking the hinged part of a supporting leg 21 as a circular point, horizontal angle correction is carried out, a base 1 fixes the supporting leg 21 and the electric push rod 22, the process is carried out stably, and the position and the original position of the exposed edge of the steel plate on the angle table 2 are changed due to the change of the angle table 2, at this time, the operation rod 4 can be rotated to make the driving bevel gear 401 drive the transmission bevel gear 321 and drive the main gear 320 to rotate on the transmission surface 32 to drive the engaged threaded gear 322, the threaded gear 322 rotates, the thread on the inner wall rotates to raise or lower the positioning screw 302, so as to adjust the height of the base platform 30 and the positioning platform 3 thereon, the cooperation of the slide rod 303 and the slide hole on the bracket 31 can stabilize the rising track of the base platform 30, after the height is adjusted, the rotation rod 301 is rotated to drive the slide block at the bottom of the positioning platform 3 to move left and right to drive the positioning platform 3 to move left and right, so as to adjust the horizontal distance between the right steel plate and the left steel plate, so as to make the edges of the two jointed, thereby facilitating the welding operation, when the area of the right steel plate is small, due to the direction change of the universal joint 36, a part of the fixing head 38 is pressed on the positioning platform 3, at this time, the height of the spherical pressure head on the fixing head 38 on the steel plate can be adjusted, adapting to the thickness of the steel plate.

The microprocessor adopts an STM32 chip to start and stop the electric push rod, and the pins and the connection mode of the STM32 can be referred by technicians in the field to obtain technical suggestions by referring to teaching materials or technical manuals published by manufacturers; the circuit connections according to the utility model are conventional means used by the person skilled in the art and can be suggested by a limited number of tests, which are common knowledge.

Components not described in detail herein are prior art.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the utility model can be understood by those skilled in the art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The utility model provides an argon arc is positioner for welding machine, includes control circuit, be equipped with microprocessor in the control circuit, its characterized in that: the angle table is characterized by further comprising a base (1), an angle table (2) and a positioning table (3), wherein the angle table (2) and the positioning table (3) are arranged on the base (1), the angle table (2) is matched with the positioning table (3), supporting legs (21) are arranged on the base (1), a fixed end of an electric push rod (22) is hinged to the base (1), the electric push rod (22) is electrically connected with the microprocessor, a cross frame is arranged at the bottom of the angle table (2), two sets of the cross frame are arranged at the bottom of the angle table (2), one set of the cross frame is hinged to the top end of each supporting leg (21), the other set of the cross frame is hinged to the telescopic end of the electric push rod (22), a conveying roller (24) is arranged in the left part of the angle table (2), multiple sets of the conveying rollers (24) are arranged, a right limiting mechanism I is arranged on the angle table (2), a support (31) is further arranged on the base (1), the automatic positioning device is characterized in that an operating rod (4) and a transmission surface (32) which are connected in a rotating mode are arranged on the support (31), a driving bevel gear (401) is arranged at the left end of the operating rod (4), a main gear (320) and shaft holes are connected to the top surface of the transmission surface (32) in a rotating mode, a plurality of groups of shaft holes are formed in the shaft holes, a threaded gear (322) is connected to the shaft holes in a rotating mode, the threaded gear (322) is meshed with the main gear (320), a transmission bevel gear (321) is arranged at the shaft bottom end of the main gear (320), the transmission bevel gear (321) is meshed with the driving bevel gear (401), a positioning screw (302) in threaded connection is arranged in the threaded gear (322) in a hollow mode, the positioning screw (302) penetrates through the shaft holes, a base (30) is arranged at the top end of the positioning screw (302), and the base (30) is connected with the positioning platform (3) in a sliding mode, the rotary table is characterized in that a rotary rod (301) is connected to the base table (30) in a rotating mode, a threaded section is arranged on the rotary rod (301), a sliding block is arranged at the bottom of the positioning table (3), the sliding block is connected with the threaded section in a threaded mode, and a limiting mechanism II is arranged on the positioning table (3).

2. The positioning device for the argon arc welding machine according to claim 1, characterized in that: stop gear I includes portal frame I (23), stationary plane (27), be equipped with threaded connection's screw rod I (25) on portal frame I (23), the both sides inner wall of portal frame I (23) is equipped with the spout, screw rod I (25) bottom is equipped with clamp plate (26) of rotating the connection, the both ends of clamp plate (26) are in sliding connection in the spout.

3. The positioning device for the argon arc welding machine according to claim 2, characterized in that: the fixing surface (27) is flush with the top surface of the transfer roller (24).

4. The positioning device for the argon arc welding machine according to claim 2, characterized in that: stop gear II is portal frame II (33), threaded connection has screw rod II (35) on portal frame II (33), connecting rod (37) are connected through universal joint (36) to the bottom of screw rod II (35), connecting rod (37) have the multiunit, the end of connecting rod (37) is equipped with fixed head (38), fixed head (38) have the multiunit.

5. The positioning device for the argon arc welding machine according to claim 4, characterized in that: the fixing head (38) comprises a sleeve and an adjusting bolt, the adjusting bolt is connected with the inner thread of the sleeve in a threaded manner, a spherical pressure head is arranged at the bottom end of the adjusting bolt, and a rotary handle is arranged at the top end of the adjusting bolt.

6. The positioning device for the argon arc welding machine according to claim 1, characterized in that: be equipped with the slide opening on support (31), the slide opening has the multiunit, the bottom surface of base station (30) is equipped with slide bar (303), slide bar (303) have the multiunit, slide bar (303) with slide opening looks adaptation.

7. The positioning device for the argon arc welding machine according to claim 4, characterized in that: the tail ends of the screw I (25), the screw II (35), the operating rod (4) and the rotating rod (301) are respectively provided with a rotating handle.