Semi-automatic welding machine for cover plate

Abstract

The utility model discloses a semi-automatic welding machine for a cover plate, which belongs to the technical field of welding machines and comprises a welding device, a supporting rod is screwed and fixed at the bottom of the welding device, the bottom of the supporting rod is screwed and fixed on the surface of a mounting table, a supporting column is fixedly mounted at the bottom of the mounting table, and a bearing table is movably mounted in the mounting table. A positioning seat is fixedly welded to the surface of the bearing platform, a cover plate body is placed on the surface of the positioning seat, and an upper transmission rod is installed at the bottom of the bearing platform. According to the semi-automatic welding machine for the cover plate, the position of the cover plate body is adjusted to the lowest position, so that the cover plate body can be conveniently taken out from the positioning seat, the next set of equipment can be conveniently welded, and the welding work of semi-automatic annular full-length welding on the cover plate body is achieved; according to the cover plate body welding device, a handheld welding mode is replaced, rapid welding work on the cover plate body is achieved, the welding efficiency of the cover plate body is greatly improved, when the cover plate body is welded, a welding gun does not shake, and the welding quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of welding machine, concretely is a half -automatic welding machine of apron. BACKGROUND

[0002] The reasons for welding the circular apron of chemical containers and storage tanks mainly include the following points:

[0003] Sealing performance: welding can ensure that the connection between the apron and the container or storage tank is completely sealed, preventing medium leakage; welding can form continuous welds, effectively preventing the penetration of gas, liquid or other substances;

[0004] Structural strength: welding can provide high structural strength and stability; through welding, the apron can be tightly combined with the container or storage tank body to form a monolithic structure, enhancing the load-carrying capacity and pressure resistance of the container;

[0005] Safety: welding can ensure that the apron does not accidentally fall off or loosen during use, thereby protecting the safety of operators; the reliability of welded connections can reduce the risk of accidents;

[0006] Corrosion protection: welding can reduce the gaps and discontinuities at the connection, reducing the likelihood of corrosion; the welded surface is relatively smooth, making it easy to perform corrosion protection, extending the service life of the equipment;

[0007] When welding the circular apron of a storage tank, a welding device needs to be used;

[0008] Regarding the welding device, through retrieval, the prior art (publication number: CN218109703U) discloses a welding gun with a protective device for a laser welding machine; it includes: a welding gun body (1); and a positioning threaded block (2) fixedly connected with the welding gun body (1); a movable mechanism (3) is sleeved outside the welding gun body (1);

[0009] When welding the circular apron with a handheld welding gun, the hand is prone to shaking, reducing the welding quality. At the same time, the handheld welding gun needs to be walked along the circular apron, which cannot guarantee the stability during welding, and the welding efficiency is low.

[0010] Therefore, a half-automatic welding machine for aprons is provided. UTILITY MODEL CONTENTS

[0011] The utility model aims to provide a half-automatic welding machine for aprons to solve the defects mentioned in the background technology.

[0012] In order to achieve the above object, a kind of cover plate semi-automatic welding machine is provided, including welding device, the bottom of the welding device is fixedly connected with support rod by screwing, and support rod is fixedly connected with the surface of installation platform by screwing at the bottom, while the bottom of installation platform is fixedly installed with support column, the inside of installation platform is movably installed with bearing platform, and the surface of bearing platform is fixedly welded with positioning seat, while the surface of positioning seat is placed with cover plate body, the bottom of bearing platform is installed with upper transmission rod, and the top of lower transmission rod is movably connected with the output shaft of stepper motor by pin shaft, while the end of lower transmission rod away from upper transmission rod is fixed with the output shaft of stepper motor;

[0013] Welding device includes slide base, and the surface of slide base is movably installed with movement platform, while the surface of movement platform is fixedly installed with frame by screwing, and the bottom of movement platform is movably installed with pulley, pulley is slidably arranged in the inside of slide rail opened on the side wall of slide base, the surface of movement platform is fixedly installed with driving motor by screwing, and the output shaft of driving motor is fixed with the rotating shaft of driving gear, and welding torch is fixedly installed on the left side wall of installation frame by screwing.

[0014] Preferably, the bottom of the bearing platform is driven to lift by the upper transmission rod, the lower transmission rod and the stepper motor, and the bearing platform drives the cover plate body to lift by the positioning seat.

[0015] Preferably, the two ends of the bearing platform are fixedly installed with guide seats, and the guide seats are made of metal material in the shape of "L", while guide holes are opened on the guide seats, and the sizes of the guide holes are matched with the support columns, and the support columns are inserted into the guide holes opened on the guide seats.

[0016] Preferably, the slide base is made of metal material in the shape of circle, and the slide base and the cover plate body are concentric circle structure.

[0017] Preferably, the outer surface of the slide base is fixedly installed with rack by screwing, and the rack is circularly arranged, while the slide base and the rack are concentric circle structure, the size of the rack is matched with the driving gear, and the rack is meshingly connected with the driving gear.

[0018] Preferably, the bottom of the movement platform is uniformly installed with four groups of pulleys, and the sizes of the pulleys are matched with the slide rails, while the movement platform covers the surface of the slide base and is limited and guided by the four groups of pulleys and the slide rails.

[0019] Preferably, the movement platform makes circular motion along the circumferential position of the outer side of the cover plate body under the driving of the driving gear, the rack and the driving motor, and the welding torch on the movement platform performs annular welding on the connecting part between the cover plate body and the storage tank.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] 1. Drive the motor to drive the gear to rotate, the gear is engaged in the surface of the rack, realize the motion platform on the surface of the slide to drive, around the cover plate body outside to carry out the circular motion, and through the welding gun, the cover plate body is welded and fixed in the circumferential direction, the cover plate body can be stably welded, and the welding quality is guaranteed;

[0022] 2. When the cover plate body is welded, the position of the cover plate body is adjusted to the lowest, the cover plate body is taken out from the positioning seat, the welding operation of the next group of equipment is facilitated, the semi-automatic ring full welding of the cover plate body is realized, the handheld welding mode is replaced, the cover plate body is welded quickly, the welding efficiency of the cover plate body is greatly increased, and the welding gun does not shake when the cover plate body is welded, and the welding quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view schematic view of the utility model structure;

[0024] Figure 2 It is a cover plate body descending schematic view in the utility model structure Figure 1 ;

[0025] Figure 3 It is a cover plate body and welding device plan view in the utility model structure Figure 1 ;

[0026] Figure 4 It is a welding device structure schematic view of the utility model structure;

[0027] Figure 5 It is a plan view of the utility model structure Figure 4 .

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] 1, cover plate body; 2, positioning seat; 3, welding device; 30, support rod; 31, slide; 32, slide rail; 33, pulley; 34, drive gear; 35, rack; 36, motion platform; 37, drive motor; 38, mounting frame; 39, welding gun; 4, mounting table; 5, support column; 6, bearing platform; 7, guide seat; 8, upper transmission rod; 9, lower transmission rod; 10, stepping motor. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] Referring to Figures 1 to 5 The utility model provides a technical scheme:

[0032] A cover plate semi-automatic welding machine, including welding device 3, welding device 3 bottom screw fixed support rod 30, and support rod 30 bottom screw fixed in the surface of installation platform 4, the bottom of installation platform 4 is fixedly installed support column 5, the inside of installation platform 4 is movably installed bearing platform 6, and the surface of bearing platform 6 is welded and fixed positioning seat 2, the surface of positioning seat 2 is placed cover plate body 1, the bottom of bearing platform 6 is installed upper transmission rod 8, and the bottom of upper transmission rod 8 is movably connected with the top of lower transmission rod 9 through a pin shaft, and the end, away from upper transmission rod 8, of lower transmission rod 9 is fixed with the output shaft of stepping motor 10.

[0033] Welding device 3 includes slide base 31, and the surface of slide base 31 movably installs motion table 36, the surface of motion table 36 is screw-fixedly installed frame 38, and the bottom of motion table 36 movably installs pulley 33, pulley 33 is slidably arranged in the inside of slide rail 32 formed in the side wall of slide base 31, the surface of motion table 36 is screw-fixedly installed drive motor 37, and the output shaft of drive motor 37 is fixed with the rotating shaft of drive gear 34, and welding torch 39 is screw-fixedly installed on the left side wall of installation frame 38.

[0034] By adopting the above technical scheme, the bottom of bearing platform 6 is driven to lift by upper transmission rod 8, lower transmission rod 9 and stepping motor 10, and bearing platform 6 drives cover plate body 1 to lift through positioning seat 2.

[0035] Specifically, as shown in Figures 1-2 The output shaft of stepping motor 10 drives lower transmission rod 9 to deflect, at this time, lower transmission rod 9 moves downward through upper transmission rod 8 hinged thereto, and cover plate body 1 is driven to move downward by bearing platform 6 and positioning seat 2, so that cover plate body 1 can be moved to the lowest point, facilitating the removal of cover plate body 1 from positioning seat 2 and facilitating the welding operation of the next group of equipment.

[0036] By adopting the above technical scheme, the two ends of bearing platform 6 are fixedly installed guide seat 7, and guide seat 7 is made of metal material and has an "L" shape, and guide hole is formed in guide seat 7, and the size of guide hole is matched with that of support column 5, and support column 5 is inserted into the guide hole formed in guide seat 7.

[0037] Slide base 31 is made of metal material and has a circular structure, and slide base 31 and cover plate body 1 are concentric circular structures.

[0038] Specifically, as shown in Figures 1-2As shown, the bottom of the platform 6 is inserted into the guide seat 7 on both sides during lifting, and the support column 5 is inserted into the guide seat 7 on both sides, which can limit and guide the platform 6 during lifting, and ensure the stability of the platform 6 during lifting, and the platform 6 will not tilt.

[0039] By adopting the above technical scheme, the outer side surface of the sliding seat 31 is screwed and fixed with the rack 35, the rack 35 is circularly arranged, the sliding seat 31 and the rack 35 are concentric circular structures, the size of the rack 35 is matched with the driving gear 34, and the rack 35 is meshed and connected with the driving gear 34.

[0040] Specifically, as shown in the figure, Figures 3-5 The outer switch of the driving motor 37 is started, the rack 35 is meshed with the driving gear 34, so that the motion platform 36 can make circular motion on the outside of the cover plate body 1, and the welding gun 39 is used for welding the cover plate body 1.

[0041] By adopting the above technical scheme, the bottom of the motion platform 36 is uniformly provided with four groups of pulleys 33, the size of the pulley 33 is matched with the slide rail 32, and the motion platform 36 covers the surface of the sliding seat 31 and is limited and guided by the four groups of pulleys 33 and the slide rail 32.

[0042] The motion platform 36 makes circular motion along the circumferential position of the outside of the cover plate body 1 under the driving of the driving gear 34, the rack 35 and the driving motor 37, and the welding gun 39 on the motion platform 36 performs annular welding on the connection between the cover plate body 1 and the storage tank.

[0043] Specifically, as shown in the figure, Figures 3-5 When the motion platform 36 makes circular motion on the surface of the sliding seat 31, the four groups of pulleys 33 at the bottom of the motion platform 36 are arranged to roll in the inside of the slide rail 32, which can limit and guide the motion platform 36 during motion, and ensure the stability of the motion platform 36 during motion, and the inside of the mounting frame 38 is also provided with a power supply for supplying power to the driving motor 37.

[0044] Working principle: start the external switch of the driving motor 37, the driving motor 37 drives the driving gear 34 to rotate, the driving gear 34 is meshed on the surface of the rack 35, the motion platform 36 is self-propelled on the surface of the sliding seat 31, circular motion is made around the outside of the cover plate body 1, and the welding gun 39 is used for circumferential welding of the cover plate body 1;

[0045] When the cover plate body 1 is welded, the external switch of the stepping motor 10 is started, the position of the cover plate body 1 is adjusted to the lowest, the cover plate body 1 is taken out from the positioning seat 2, the next group of equipment is welded, the taking and placing are manually operated, the circular motion of the welding gun 39 is automatically operated, the semi-automatic circular full welding of the cover plate body 1 is realized, the handheld welding mode is replaced, the cover plate body 1 is quickly welded, the welding efficiency of the cover plate body 1 is greatly increased, the welding gun 39 does not shake when the cover plate body 1 is welded, the welding quality is improved, the soft pipe is installed on the welding gun 39, the welding gun 39 is connected with the welding machine through the soft pipe, and the motion interference between the welding gun 39 and the welding machine is avoided when the welding gun 39 does the circular motion.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A semi-automatic welding machine for cover plates, comprising a welding device (3), characterized in that: The bottom of the welding device (3) is screwed to a fixed support rod (30), and the bottom of the support rod (30) is screwed to the surface of the mounting platform (4). At the same time, the bottom of the mounting platform (4) is fixed with a support column (5). The mounting platform (4) is internally movably mounted with a support platform (6), and the surface of the support platform (6) is welded and fixed with a positioning seat (2). At the same time, the cover body (1) is placed on the surface of the positioning seat (2). The bottom of the support platform (6) is installed with an upper transmission rod (8), and the bottom of the upper transmission rod (8) is movably connected to the top of the lower transmission rod (9) through a pin shaft. At the same time, the end of the lower transmission rod (9) away from the upper transmission rod (8) is fixed to the output shaft of the stepping motor (10); The welding device (3) includes a slide (31), and a moving platform (36) is movably mounted on the surface of the slide (31), and a fixed mounting frame (38) is screwed on the surface of the moving platform (36), and a pulley (33) is movably mounted on the bottom of the moving platform (36), and the pulley (33) is slidably arranged inside a slide rail (32) provided on the side wall of the slide (31), and a driving motor (37) is screwed on the surface of the moving platform (36), and the output shaft of the driving motor (37) is fixed to the rotating shaft of the driving gear (34), and a welding gun (39) is screwed on the left side wall of the mounting frame (38).

2. A semi-automatic cover plate welding machine according to claim 1, characterized in that: The bottom of the support platform (6) is driven to rise and fall by an upper transmission rod (8), a lower transmission rod (9) and a stepping motor (10), and the support platform (6) drives the cover plate body (1) to rise and fall through the positioning seat (2).

3. The semi-automatic cover plate welding machine according to claim 2, characterized in that: Guide seats (7) are fixedly mounted on both ends of the support platform (6), and the guide seats (7) are L-shaped structures made of metal. A guide hole is provided on the guide seat (7), and the guide hole is adapted to the size of the support column (5), and the support column (5) is inserted into the guide hole provided on the guide seat (7).

4. The semi-automatic cover plate welding machine according to claim 1, characterized in that: The sliding seat (31) is a circular structure made of metal material, and the sliding seat (31) and the cover plate body (1) are concentric circle structures.

5. The semi-automatic cover plate welding machine according to claim 4, characterized in that: The outer surface of the slide (31) is screwed to a fixed rack (35), and the rack (35) is circular. The slide (31) and the rack (35) are concentric circles. The sizes of the rack (35) and the driving gear (34) are adapted, and the rack (35) and the driving gear (34) are meshed and connected.

6. The semi-automatic cover plate welding machine according to claim 1, characterized in that: Four sets of pulleys (33) are evenly installed on the bottom of the motion platform (36), and the sizes of the pulleys (33) and the slide rails (32) are adapted. At the same time, the motion platform (36) covers the surface of the slide seat (31) and is limited and guided by the four sets of pulleys (33) and the slide rails (32).

7. The semi-automatic cover plate welding machine according to claim 1, characterized in that: The moving platform (36) is driven by the driving gear (34), the rack (35) and the driving motor (37) to perform circular motion along the outer circumferential position of the cover plate body (1), and the welding gun (39) on the moving platform (36) performs annular welding on the connection between the cover plate body (1) and the storage tank.

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