Automatic welding mechanism

Abstract

The utility model relates to the technical field of machining, in particular to an automatic welding mechanism, which realizes simple and automatic welding of workpieces through a welding device, provides protection for a welding area, reduces high-temperature metal scraps splashed in the welding process, and is convenient for operators to monitor the welding process through an auxiliary device. Meanwhile, a machined part can be conveniently placed in, the lifting device is driven by the transverse moving device to move the welded workpiece out of a welding area, an operator does not need to take the welded workpiece manually, and the protection performance and practicability of the device are improved; comprising a welding device, an auxiliary device, a transverse moving device and a lifting device, the auxiliary device is installed on the welding device, the transverse moving device is installed on the welding device, and the lifting device is installed on the transverse moving device.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to an automatic welding mechanism. Background Art

[0002] Welding is an important processing method in the mechanical manufacturing industry. There are many metal welding methods, which can be roughly divided into manual welding, automatic welding, semi-automatic welding, etc. Based on the operation mode, fully automatic industrial welding robots have been developed, which greatly improves the welding efficiency. Automatic welding machines and industrial welding robots are suitable for welding large quantities of parts with concentrated specifications. For parts with smaller batches and scattered specifications, they lose the advantage of high efficiency.

[0003] The Chinese utility model patent with application number CN202021790937.0 in the prior art involves an automatic welding mechanism, including a support frame, a guide rail, a linear displacement drive mechanism, a positioning mechanism, etc., which can weld accurately, apply force evenly, controllable welding time and high welding efficiency.

[0004] However, the above device does not have a protective structure in actual use. The metal flying chips generated during the welding process will affect the working environment. At the same time, the overall temperature of small parts is high after welding, which can easily cause burns to the protective gloves during the picking process. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a kind of automatic welding mechanism which realizes simple automatic welding of workpieces through welding device, provides protection for welding area, reduces high-temperature metal debris splashed out during welding, facilitates operators to monitor welding process through auxiliary devices, and facilitates the placement of workpieces. The lifting device is driven by the lateral movement device to move the welded workpiece out of the welding area, without the need for operators to manually pick it up, thereby improving the protection and practicality of the device.

[0006] The utility model discloses an automatic welding mechanism, comprising a welding device, an auxiliary device, a transverse moving device and a lifting device, wherein the auxiliary device is installed on the welding device, the transverse moving device is installed on the welding device, and the lifting device is installed on the transverse moving device; the welding device is used to realize simple automatic welding of workpieces, provide protection for the welding area, reduce high-temperature metal debris splashed out during welding, and the auxiliary device is used to facilitate operators to monitor the welding process and facilitate the placement of workpieces; the transverse moving device drives the lifting device to move the welded workpiece out of the welding area without the need for operators to manually take it, thereby improving the protection and practicality of the device.

[0007] Preferably, the welding device includes a frame, a gantry, a reducer, a motor, a lead screw, a polished rod, a welding platform, a first nut and an electric push rod. A gantry is installed on the upper end surface of the frame, a reducer is installed on the upper rear end surface of the gantry, the reducer is connected to the motor, the lead screw and two groups of polished rods are horizontally installed on the upper inner part of the gantry, the two groups of polished rods are respectively located on the left and right sides of the lead screw, the welding platform is connected to the lead screw through the first nut and the two groups of polished rods pass through the welding platform, an electric push rod is installed on the lower end surface of the welding platform, and a welding head is arranged on the moving end of the electric push rod; turning on the motor transmits power to the lead screw through the reducer to drive the lead screw to rotate, and transmits power to the welding platform through the lead screw and the first nut to drive the welding platform to move on the lead screw, and the moving process of the welding platform is limited by the two groups of polished rods to improve the stability of the welding platform during movement, and the metal flying chips generated during the welding process are shielded by the gantry to reduce the impact of high-temperature metal debris on the environment where the equipment is located.

[0008] Preferably, the auxiliary device includes a baffle, a sliding groove and a glass observation window. A rectangular groove is opened on the right part of the front end face of the door frame, and a group of sliding grooves are opened on the upper and lower end faces of the baffle. The baffle can move left and right in the rectangular groove of the door frame through the two groups of sliding grooves. A glass observation window is installed on the front end face of the baffle, and a handle is provided on the right end face of the baffle. By pulling the baffle to the right with the handle, the operator can directly place the workpiece in the welding area, and the operator can observe the welding process through the glass observation window, thereby improving the practicality of the device.

[0009] Preferably, the transverse movement device includes a protective sleeve, a reduction motor, a transverse movement screw, a second nut and a transverse movement platform, a group of protective sleeves are respectively arranged on the front and rear end surfaces of the lower part of the frame, rectangular holes are horizontally opened on the inner sides of the two groups of protective sleeves, and a group of reduction motors are installed on the right end surfaces of the two groups of protective sleeves, and a transverse movement screw is horizontally installed inside the protective sleeve, and the output end of the reduction motor is connected with the transverse movement screw, and the left and right end surfaces of the transverse movement platform are connected with the two groups of transverse movement screws through the rectangular holes of the protective sleeves through the second nuts; the two groups of reduction motors are turned on to transmit power to the transverse movement screw to drive the transverse movement screw to rotate, and the transverse movement platform is driven to move left and right at the lower part of the frame through the transverse movement screw and the second nut, and the welding parts are transported out of the welding area by cooperating with the lifting device, and the transverse movement screw is protected by the protective sleeve to reduce the influence of pollutants in the external environment adhering to the transverse movement screw on the transmission between the transverse movement screw and the second nut.

[0010] Preferably, the lifting device includes an electric cylinder, a lifting platform, a supporting steel plate, strip holes and limit rods. The electric cylinder is installed on the upper end surface of the transverse moving platform, and the lifting platform is connected to the movable end of the electric cylinder. Multiple groups of supporting steel plates are installed on the upper end surface of the lifting platform. Multiple groups of strip holes are opened on the upper end surface of the frame, which correspond to the positions of the multiple groups of supporting steel plates up and down. Multiple groups of limit rods are connected to the lower end surface of the lifting platform, and the lower parts of the multiple groups of limit rods pass through the transverse moving platform and can move up and down on the transverse moving platform; the transverse moving platform is controlled to extend so that the supporting steel plate on the lifting platform moves upward and moves from the multiple groups of strip holes to the upper side of the frame to support the welded workpiece, and then cooperates with the transverse moving device to send the workpiece out of the welding area and then controls the electric cylinder to contract so that the workpiece falls onto the upper end surface of the frame. There is no need to manually take and place the high-temperature workpiece, and the lifting and lowering process of the lifting platform is assisted by multiple groups of limit rods, thereby reducing the shaking amplitude of the lifting platform itself during the lifting process and improving the stability of the device.

[0011] Preferably, the left and right parts of the upper end surface of the lifting platform are both tilted downward; by having a certain downward tilt angle on the left and right parts of the upper end surface of the lifting platform, fallen metal debris can slide down from the upper end surface of the lifting platform, thereby reducing the amount of debris accumulation between multiple groups of supporting steel plates and reducing the labor intensity required for operators to maintain the equipment.

[0012] Compared with the prior art, the utility model has the following beneficial effects: simple automatic welding of workpieces can be achieved through the welding device, protection can be provided for the welding area, and high-temperature metal debris splashed out during welding can be reduced; the auxiliary device can facilitate the operator to monitor the welding process and facilitate the placement of the workpiece; the lifting device can be driven by the lateral movement device to move the welded workpiece out of the welding area without the operator having to manually pick it up, thereby improving the protection and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0014] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the first cross-sectional structure of the utility model;

[0016] Figure 4 It is a partial enlarged structural schematic diagram of the utility model;

[0017] Figure 5 It is a schematic diagram of the axonometric structure of the baffle;

[0018] Markings in the attached drawings: 1. Frame; 2. Gantry; 3. Reducer; 4. Motor; 5. Screw; 6. Polished rod; 7. Welding platform; 8. First nut; 9. Electric push rod; 10. Baffle; 11. Sliding groove; 12. Glass observation window; 13. Protective sleeve; 14. Reducer motor; 15. Transverse screw; 16. Second nut; 17. Transverse platform; 18. Electric cylinder; 19. Lifting platform; 20. Supporting steel plate; 21. Strip hole; 22. Limit rod. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Example 1

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The auxiliary device shown is installed on the welding device, the traverse device is installed on the welding device, and the lifting device is installed on the traverse device;

[0022] First, pull the baffle 10 to the right by the handle to facilitate the operator to directly place the workpiece in the welding area, and observe the welding process through the glass observation window 12. Then, turn on the motor 4 to transmit power to the lead screw 5 through the reducer 3 to drive the lead screw 5 to rotate, and transmit power to the welding platform 7 through the lead screw 5 and the first nut 8 to drive the welding platform 7 to move on the lead screw 5. When the welding gun is moved to the welding position, control the electric push rod 9 to extend to weld the workpiece. After welding is completed, control the traverse platform 17 to extend to The supporting steel plate 20 on the lifting platform 19 moves upward through the multiple groups of strip holes 21 to the upper side of the frame 1 to support the welded workpiece. The two groups of reduction motors 14 are turned on to transmit power to the transverse screw 15 to drive the transverse screw 15 to rotate. The transverse screw 15 and the second nut 16 drive the transverse platform 17 to move under the frame 1 to support the welded workpiece. After that, the transverse device is used to send the workpiece out of the welding area and the electric cylinder 18 is controlled to retract so that the workpiece falls onto the upper end surface of the frame 1.

[0023] The welding device includes a frame 1, a gantry 2, a reducer 3, a motor 4, a lead screw 5, a polished rod 6, a welding platform 7, a first nut 8 and an electric push rod 9. The gantry 2 is installed on the upper end surface of the frame 1, the reducer 3 is installed on the upper rear end surface of the gantry 2, the reducer 3 is connected to the motor 4, the lead screw 5 and two groups of polished rods 6 are horizontally installed in the upper inner part of the gantry 2, the two groups of polished rods 6 are respectively located on the left and right sides of the lead screw 5, the welding platform 7 is connected to the lead screw 5 through the first nut 8 and the two groups of polished rods 6 pass through the welding platform 7, the electric push rod 9 is installed on the lower end surface of the welding platform 7, and a welding head is arranged on the moving end of the electric push rod 9;

[0024] The auxiliary device includes a baffle 10, a sliding groove 11 and a glass observation window 12. A rectangular groove is opened on the right part of the front end surface of the door frame 2. A set of sliding grooves 11 are opened on both the upper and lower end surfaces of the baffle 10. The baffle 10 can move left and right in the rectangular groove of the door frame 2 through the two sets of sliding grooves 11. A glass observation window 12 is installed on the front end surface of the baffle 10, and a handle is provided on the right end surface of the baffle 10.

[0025] The traverse device includes a protective sleeve 13, a reduction motor 14, a traverse screw 15, a second nut 16 and a traverse platform 17. A group of protective sleeves 13 are respectively arranged on the front and rear end surfaces of the lower part of the frame 1. The inner sides of the two groups of protective sleeves 13 are horizontally opened with rectangular holes. A group of reduction motors 14 are installed on the right end surfaces of the two groups of protective sleeves 13. A traverse screw 15 is horizontally installed inside the protective sleeve 13. The output end of the reduction motor 14 is connected to the traverse screw 15. The left and right end surfaces of the traverse platform 17 pass through the rectangular holes of the protective sleeve 13 and are connected to the two groups of traverse screws 15 through the second nuts 16.

[0026] The lifting device includes an electric cylinder 18, a lifting platform 19, a supporting steel plate 20, a strip hole 21 and a limit rod 22. The electric cylinder 18 is installed on the upper end surface of the transverse platform 17, and the lifting platform 19 is connected to the movable end of the electric cylinder 18. Multiple groups of supporting steel plates 20 are installed on the upper end surface of the lifting platform 19. Multiple groups of strip holes 21 are opened on the upper end surface of the frame 1, and the positions of the multiple groups of supporting steel plates 20 correspond to each other up and down. Multiple groups of limit rods 22 are connected to the lower end surface of the lifting platform 19, and the lower parts of the multiple groups of limit rods 22 pass through the transverse platform 17 and can move up and down on the transverse platform 17;

[0027] The welding device can realize simple automatic welding of the workpiece, provide protection for the welding area, reduce the high-temperature metal debris splashed during welding, and facilitate the operator to monitor the welding process through the auxiliary device. It is also convenient to put in the workpiece. The lifting device is driven by the lateral movement device to move the welded workpiece out of the welding area without the operator manually picking it up, thereby improving the protection and practicality of the device.

[0028] Example 2

[0029] The improvement is based on the first embodiment, including that the left and right parts of the upper end surface of the lifting platform 19 are both inclined downward;

[0030] The left and right parts of the upper end surface of the lifting platform 19 are tilted downward at a certain angle, so that the fallen metal debris can slide down from the upper end surface of the lifting platform 19, reducing the amount of debris accumulation between the multiple groups of supporting steel plates 20, and reducing the labor intensity required for operators to maintain the equipment;

[0031] like Figures 1 to 5 As shown, an automatic welding mechanism of the utility model, when working, firstly pull the baffle 10 to the right by the handle, so that the operator can directly place the workpiece in the welding area, and observe the welding process through the glass observation window 12, then turn on the motor 4 to transmit power to the lead screw 5 through the reducer 3 to drive the lead screw 5 to rotate, and transmit power to the welding platform 7 through the lead screw 5 and the first nut 8 to drive the welding platform 7 to move on the lead screw 5, and when the welding gun is moved to the welding position, the electric push rod 9 is controlled to extend to weld the workpiece to complete the welding. Then, the transverse moving platform 17 is controlled to extend so that the supporting steel plate 20 on the lifting platform 19 moves upward and moves through the multiple groups of bar holes 21 to the upper side of the frame 1 to support the welded workpiece. The two groups of reduction motors 14 are turned on to transmit power to the transverse moving screw 15 to drive the transverse moving screw 15 to rotate. The transverse moving screw 15 and the second nut 16 are used to drive the transverse moving platform 17 to move under the frame 1 to support the welded workpiece. After that, the transverse moving device is used to send the workpiece out of the welding area, and then the electric cylinder 18 is controlled to retract so that the workpiece falls onto the upper end surface of the frame 1.

[0032] The reducer 3, the motor 4, the electric push rod 9, the reduction motor 14 and the electric cylinder 18 of the automatic welding mechanism of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An automatic welding mechanism; characterized in that, The invention comprises a welding device, an auxiliary device, a transverse movement device and a lifting device, wherein the auxiliary device is mounted on the welding device, the transverse movement device is mounted on the welding device, and the lifting device is mounted on the transverse movement device; the welding device comprises a frame (1), a gantry (2), a reducer (3), a motor (4), a lead screw (5), a polished rod (6), a welding platform (7), a first nut (8) and an electric push rod (9); the gantry (2) is mounted on the upper end surface of the gantry (1); the reducer (3) is mounted on the upper rear end surface of the gantry (2); the motor (4) is connected to the reducer (3); the lead screw (5) and two groups of polished rods (6) are mounted horizontally on the upper inner part of the gantry (2); the two groups of polished rods (6) are respectively located on the left and right sides of the lead screw (5); the welding platform (7) is connected to the lead screw (5) through the first nut (8) and the two groups of polished rods (6) both pass through the welding platform (7); the electric push rod (9) is mounted on the lower end surface of the welding platform (7); and a welding head is arranged on the movable end of the electric push rod (9).

2. An automatic welding mechanism according to claim 1, characterized in that: The auxiliary device comprises a baffle (10), a sliding groove (11) and a glass observation window (12); a rectangular groove is opened on the right part of the front end surface of the door frame (2); a group of sliding grooves (11) are opened on both upper and lower end surfaces of the baffle (10); the baffle (10) can move left and right in the rectangular groove of the door frame (2) through the two groups of sliding grooves (11); a glass observation window (12) is installed on the front end surface of the baffle (10); and a handle is arranged on the right end surface of the baffle (10).

3. An automatic welding mechanism as claimed in claim 1, characterized in that: The transverse movement device comprises a protective sleeve (13), a reduction motor (14), a transverse movement screw (15), a second nut (16) and a transverse movement platform (17). A group of protective sleeves (13) are respectively arranged on the front and rear end surfaces of the lower part of the frame (1). Rectangular holes are horizontally opened on the inner sides of the two groups of protective sleeves (13). A group of reduction motors (14) are installed on the right end surfaces of the two groups of protective sleeves (13). A transverse movement screw (15) is horizontally installed inside the protective sleeve (13). The output end of the reduction motor (14) is connected to the transverse movement screw (15). The left and right end surfaces of the transverse movement platform (17) pass through the rectangular holes of the protective sleeves (13) and are connected to the two groups of transverse movement screws (15) through the second nuts (16).

4. An automatic welding mechanism as claimed in claim 3, characterized in that: The lifting device comprises an electric cylinder (18), a lifting platform (19), a supporting steel plate (20), a strip hole (21) and a limit rod (22); the electric cylinder (18) is installed on the upper end surface of the transverse platform (17); the lifting platform (19) is connected to the movable end of the electric cylinder (18); multiple groups of supporting steel plates (20) are installed on the upper end surface of the lifting platform (19); multiple groups of strip holes (21) are opened on the upper end surface of the frame (1) and correspond to the positions of the multiple groups of supporting steel plates (20) in the upper and lower directions; multiple groups of limit rods (22) are connected to the lower end surface of the lifting platform (19); the lower parts of the multiple groups of limit rods (22) pass through the transverse platform (17) and can move up and down on the transverse platform (17).

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