Online automatic gas tank two-dimensional code laser welding equipment

Abstract

The invention relates to online automatic gas tank two-dimensional code laser welding equipment which comprises a cabinet, a conveying mechanism, an adjusting mechanism, a positioning mechanism and a welding mechanism, an adjusting frame mechanism comprises a driving roller and an auxiliary roller set, and the auxiliary roller set comprises a pair of jacking rollers arranged in a staggered mode with the driving roller; the positioning mechanism comprises a double-shaft electric cylinder and a fixed claw hoop; the welding structure comprises a telescopic electric cylinder, a rotating electric cylinder, a mahjong stacking groove and an air duct, a cylinder barrel of the telescopic electric cylinder is installed on an output shaft of the rotating electric cylinder, and a mahjong attracting magnet and a welding gun nozzle are installed on an installation frame on a cylinder rod of the telescopic electric cylinder. The equipment can match the input efficiency and the output efficiency according to needs, continuous, automatic and constant-efficiency machining treatment is provided, and the requirement for on-line full-automatic continuous production is met; and manual intervention is not needed, the whole process of tank conveying, shield positioning, label alignment stacking and welding is achieved in a full-electrification mode, the machining effect is standardized, and meanwhile potential safety hazards are avoided.

Description

Technical Field

[0001] The invention relates to the field of on-line equipment for producing and manufacturing gas tanks, and in particular to on-line automatic laser welding equipment for two-dimensional codes of gas tanks. Background Art

[0002] During the online manufacturing process of gas tanks, after the tank body docking, valve body installation and shield welding are completed, it is necessary to weld a QR code plate on the shield above each gas tank for protecting the valve body. Currently, this downstream processing is generally done manually, with the QR code plate placed on the opposite side of the shield opening, and then the edge of the plate welded to the outer wall of the shield by a welding gun. This has the following shortcomings:

[0003] (1) It is impossible to match the operating speed of upstream and downstream equipment to carry out continuous, automatic and constant efficiency processing, forming a breakpoint in the automated production line;

[0004] (2) The processing requires manual or partial manual operation throughout the entire process, which results in a large workload and poses safety risks. Summary of the invention

[0005] The technical problem to be solved by the present invention is: to overcome the deficiency that the welding process of the two-dimensional code sign in the online production of existing gas tanks cannot realize automated processing, as well as the defects that the processing effect cannot be standardized due to manual operation, the manual workload is large, and there are many safety hazards to personnel, and to provide an online automatic gas tank two-dimensional code laser welding equipment, which matches and docks the input and output efficiency of the upstream and downstream processing sections as needed, provides continuous, automatic, and efficient processing, and meets the needs of online fully automated continuous production; at the same time, the process does not require manual intervention, and the entire process of tank body transportation, shield positioning, sign alignment and stacking, and welding is fully electrified, so that the processing effect is standardized and safety hazards are avoided.

[0006] This online automatic gas tank two-dimensional code laser welding equipment includes a cabinet, a conveying mechanism arranged in the cabinet, and an adjustment mechanism, a positioning mechanism and a welding mechanism arranged on both sides and the top of the cabinet in sequence along the conveying mechanism, wherein the adjustment frame mechanism includes a driving roller and an auxiliary roller group rotatably connected to both sides of the conveying mechanism, and the auxiliary roller group includes a pair of top pressure rollers arranged offset from the driving roller; the positioning mechanism includes a double-axis electric cylinder fixed on the top of the cabinet, and a fixed claw clamp arranged on the output shaft on both sides of the double-axis electric cylinder; the welding structure includes a telescopic electric cylinder, a rotating electric cylinder, a code card slot and a wind tube, the cylinder barrel of the telescopic electric cylinder is installed on the output shaft of the rotating electric cylinder, and a mounting frame is installed on the cylinder rod of the telescopic electric cylinder, and a card suction magnet and a welding gun nozzle are installed on the mounting frame.

[0007] Furthermore, it also includes a driving reducer, the roller of the driving roller is connected to the output shaft of the reducer; it also includes a four-axis tightening electric cylinder, the pressing roller is rotatably connected to the roller frame, and the roller frame is connected to the cylinder rod of the four-axis tightening electric cylinder.

[0008] Furthermore, the fixing claw hoop located on one side of the welding mechanism is L-shaped.

[0009] Furthermore, the cabinet is provided with input limiting mechanisms on both sides of the input end.

[0010] Furthermore, the limiting mechanism includes a pair of stepper motors fixed on both sides of the cabinet, and a limiting roller is provided on the output shaft of the stepper motor.

[0011] Optimally, an infrared position sensor for detecting the direction of the shield opening is provided on the top of the cabinet in the adjustment mechanism area; and an infrared incoming material sensor for identifying incoming gas tank workpieces is provided on the side of the cabinet in the adjustment mechanism and positioning mechanism area.

[0012] Furthermore, it also includes a PLC programmable controller, the infrared position sensor and the infrared incoming material sensor are connected to the input end of the PLC programmable controller, and the reducer, four-axis tightening electric cylinder, double-axis electric cylinder, telescopic electric cylinder, rotating electric cylinder, as well as the control switch of the air cylinder and the welding gun, and the servo controller of the stepping motor are all connected to the output end of the PLC programmable controller.

[0013] Specifically, the conveying mechanism is a crawler conveyor or a chain conveyor.

[0014] The invention discloses an online automatic gas tank two-dimensional code laser welding device, which overcomes the shortcomings of the two-dimensional code brand welding process in the existing online production of gas tanks that cannot be automated, and the defects of the processing effect cannot be standardized due to manual operation, the large manual workload and the many safety hazards to personnel, and has the following beneficial effects:

[0015] (1) This equipment matches the input and output efficiency of the upstream and downstream processing sections according to the needs, provides continuous, automatic, and constant efficiency processing, and meets the needs of online fully automated continuous production;

[0016] (2) The processing of this equipment does not require human intervention. The entire process of tank conveying, shield positioning, label alignment, stacking and welding is fully electrified, which standardizes the processing effect and avoids safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following is a further description of an online automatic gas tank two-dimensional code laser welding device of the present invention in conjunction with the accompanying drawings:

[0018] Figure 1This is a schematic diagram of the three-dimensional structure of the input end of the automatic gas tank QR code laser welding equipment on this line;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the output end of the automatic gas tank QR code laser welding equipment on this line;

[0020] Figure 3 This is a schematic diagram of the input end viewing plane structure of the automatic gas tank QR code laser welding equipment on this line;

[0021] Figure 4 This is a schematic diagram of the output end view plane structure of the automatic gas tank QR code laser welding equipment on this line;

[0022] Figure 5 yes Figure 3 AA section view;

[0023] Figure 6 yes Figure 3 BB section view;

[0024] Figure 7 yes Figure 1 Partial structural view (top and side cabinet panels removed);

[0025] Figure 8 yes Figure 2 Partial structural view (top and side cabinet panels removed);

[0026] Fig. 9 yes Figure 7 Reference diagram of usage status;

[0027] Fig.10 yes Figure 8 Reference diagram for usage status.

[0028] In the figure:

[0029] 1-cabinet; 11-input limit mechanism; 111-stepping motor, 112-limit roller.

[0030] 2- conveying mechanism;

[0031] 3-adjustment mechanism; 31-driving roller, 32-auxiliary roller group, 33-reducer, 34-four-axis tightening electric cylinder; 321-pressing roller, 322-roller frame.

[0032] 4-positioning mechanism; 41-dual-axis electric cylinder, 42-fixed claw hoop

[0033] 5-welding mechanism; 51-telescopic electric cylinder, 52-rotating electric cylinder, 53-code card slot, 54-air cylinder, 55-mounting frame, 56-card suction magnet, 57-welding gun nozzle.

[0034] 6-PLC programmable controller. DETAILED DESCRIPTION

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the description of the present invention, it should be understood that the terms "left", "right", "front", "back", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0037] The technical solution of the present invention is further described below with specific embodiments, but the protection scope of the present invention is not limited to the following embodiments.

[0038] Implementation method 1: Figures 1 to 8As shown, the automatic gas tank QR code laser welding equipment on the line includes a cabinet 1, a conveying mechanism 2 arranged in the cabinet 1, and an adjustment mechanism 3, a positioning mechanism 4 and a welding mechanism 5 arranged on both sides and the top of the cabinet 1 along the conveying mechanism 2, wherein the adjustment frame mechanism 3 includes a driving roller 31 and an auxiliary roller group 32 rotatably connected to both sides of the conveying mechanism 2, and the auxiliary roller group 32 includes a pair of top pressing rollers 321 arranged offset from the driving roller 31. It is used to clamp the two sides of the gas tank to be processed, and adjust the opening direction of the shield to the opposite side of the welding position by rotating the active roller. The positioning mechanism 4 includes a double-axis electric cylinder 41 fixed on the top of the cabinet 1, and a fixed claw hoop 42 arranged on the output shafts on both sides of the double-axis electric cylinder 41. It is used to clamp the shield of the gas tank to be processed, and move the gas tank to be processed as a whole to the welding position of the welding mechanism. The welding structure 5 includes a telescopic electric cylinder 51, a rotating electric cylinder 52, a code card slot 53 and a blower 54. The cylinder barrel of the telescopic electric cylinder 51 is mounted on the output shaft of the rotating electric cylinder 52. A mounting frame 55 is mounted on the cylinder rod of the telescopic electric cylinder 51. A card-absorbing magnet 56 and a welding gun nozzle 57 are mounted on the mounting frame 55. After the gas tank to be processed is adjusted in the direction of the shield opening by the adjustment mechanism, it is transported to the welding station. The positioning mechanism clamps and supports the shield and translates it to the corresponding position of the welding frame. The telescopic electric cylinder extends the cylinder rod in the vertical position, absorbs the two-dimensional code card from the code card slot, and rotates to the horizontal position by the rotating electric cylinder. The lever extends to press the two-dimensional code card on the outer wall of the passport. The welding gun is started to weld the code card to the gas tank to be processed. The double-axis electric cylinder loosens the clamping claws on both sides. The gas tank continues to move forward, and the blower blows air to cool and solidify the weld.

[0039] Embodiment 2: This online automatic gas tank QR code laser welding equipment also includes a driving reducer 33, and the roller of the driving roller 31 is connected to the output shaft of the reducer 33. It also includes a four-axis pressing electric cylinder 34, and the pressing roller 321 is rotatably connected to the roller frame 322, and the roller frame 322 is connected to the cylinder rod of the four-axis pressing electric cylinder 34. The remaining structures and components are as described in Embodiment 1 and will not be described again.

[0040] Embodiment 3: The fixed claw hoop 42 of the automatic gas tank QR code laser welding equipment on the line is L-shaped on one side of the welding mechanism 5. It is used to expose the contact and welding position of the QR code card to the welding mechanism while achieving the clamping and fixing of the shield. The remaining structures and components are as described in Embodiment 1 and will not be described again.

[0041] Implementation 4: The cabinet 1 of this online automatic gas tank QR code laser welding equipment is provided with input limiting mechanisms 11 on both sides of the input end. It is used to intercept and release incoming workpieces and control the input speed of the gas tank. The limiting mechanism 11 includes a pair of stepper motors 111 fixed on both sides of the cabinet 1, and a limiting roller 112 is provided on the output shaft of the stepper motor 111. It is used to intercept and release incoming workpieces and control the input speed of the gas tank. The conveying mechanism 2 is a crawler conveyor or a chain conveyor. It is used to automatically convey the gas pipe to be processed to the adjustment station and the welding station, and adjust the conveying speed to adapt to the speed of the workpiece entering and exiting the upstream and downstream stations. The remaining structures and components are as described in Implementation 1 and will not be described again.

[0042] Implementation 5: The top of the cabinet 1 in the adjustment mechanism 3 area of ​​the online automatic gas tank two-dimensional code laser welding equipment is provided with an infrared position sensor for detecting the direction of the shield opening. The side of the cabinet in the adjustment mechanism 3 and positioning mechanism 4 area is provided with an infrared incoming material sensor for identifying the incoming material of the gas tank workpiece. The online automatic gas tank two-dimensional code laser welding equipment also includes a PLC programmable controller 6, the infrared position sensor and the infrared incoming material sensor are connected to the input end of the PLC programmable controller 6, and the reducer 33, the four-axis tightening electric cylinder 34, the two-axis electric cylinder 41, the telescopic electric cylinder 51, the rotating electric cylinder 52, and the control switch of the air cylinder 54 and the welding gun 57, and the servo controller of the stepping motor 111 are all connected to the output end of the PLC programmable controller 6. The PLC programmable controller receives the sensor arrival position signal, controls the corresponding process execution equipment to run according to the program sequence, and controls the incoming material release of the gas tank according to the process operation completion signal, so as to realize the continuous automatic operation of the whole process of processing and input and output. The remaining structures and components are as described in Implementation 1, and will not be described again.

[0043] When running: Fig. 9 , 10As shown in the figure, when the gas tank is loaded, the stepper motor controls the limit roller to extend to intercept and retract to release, so that the gas tank to be processed is introduced into this equipment; when the gas tank reaches the adjustment station, the four-axis tightening electric cylinder pushes the roller frame inward, and the top pressure roller and the driving roller fix the gas tank in a triangle shape, and the reducer uses the driving roller to rotate the gas tank until the opening area on the gas tank rotates to the opposite side of the welding part. After being detected by the infrared position sensor, the reducer stops, and the four-axis tightening electric cylinder retracts the roller frame to release the gas tank; the gas tank is driven by the conveying mechanism to move down to the welding station, and the double-axis electric cylinder drives the fixed claw hoop to retract, The tank shield is partially clamped and fixed, the telescopic electric cylinder in the horizontal position extends out, presses the QR code card on the card magnet on the mounting frame onto the outer wall of the shield, and the welding gun nozzle on the mounting frame sprays welding to fix the QR code card on the shield. After completion, the telescopic electric cylinder opens the fixed claws to both sides to release the gas tank. At the same time, the rotary electric cylinder rotates the telescopic electric cylinder to a vertical position, and the telescopic electric cylinder extends again. The card magnet on the mounting frame extends into the card slot to absorb the next QR code card, and after retraction, the telescopic electric cylinder is turned back to the horizontal position by the rotary electric cylinder; the gas tank continues to move forward, and the weld is solidified by the cold air from the wind tube and then output. The above actions are realized through sequence control and feedback control by the PLC programmable controller. The PLC programmable controller receives the sensor arrival position signal, controls the corresponding process execution equipment to run according to the program sequence, and controls the release of incoming materials of the gas tank according to the process operation completion signal, realizing continuous automatic operation of the whole process of processing and input and output.

[0044] This online automatic gas tank QR code laser welding equipment overcomes the shortcomings of the existing gas tank online production QR code brand welding process that cannot be automated, as well as the defects of manual operation that the processing effect cannot be standardized, the large manual workload and many personnel safety hazards. It matches the input and output efficiency of the upstream and downstream processing sections as needed, provides continuous, automatic and efficient processing, and meets the needs of online fully automated continuous production; the processing process does not require human intervention, and the entire process of tank conveying, shield positioning, label alignment, stacking and welding is fully electrified, which standardizes the processing effect and avoids safety hazards.

[0045] The above description shows the main features, basic principles, and advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments or embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, the above embodiments or embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An online automatic gas tank QR code laser welding device, characterized by: The invention comprises a cabinet (1), a conveying mechanism (2) arranged in the cabinet (1), an adjustment mechanism (3), a positioning mechanism (4) and a welding mechanism (5) arranged in sequence on both sides and on the top of the cabinet (1) along the conveying mechanism (2), wherein: The adjustment frame mechanism (3) comprises a driving roller (31) and an auxiliary roller group (32) rotatably connected to both sides of the conveying mechanism (2); the auxiliary roller group (32) comprises a pair of pressing rollers (321) arranged in a staggered manner with respect to the driving roller (31); The positioning mechanism (4) comprises a double-axis electric cylinder (41) fixed on the top of the cabinet (1), and fixed claw clamps (42) arranged on the output shafts on both sides of the double-axis electric cylinder (41); The welding structure (5) comprises a telescopic electric cylinder (51), a rotating electric cylinder (52), a card-coding groove (53) and a blower (54); the cylinder barrel of the telescopic electric cylinder (51) is mounted on the output shaft of the rotating electric cylinder (52); a mounting frame (55) is mounted on the cylinder rod of the telescopic electric cylinder (51); and a card-attracting magnet (56) and a welding gun nozzle (57) are mounted on the mounting frame (55).

2. The online automatic gas tank two-dimensional code laser welding equipment according to claim 1 is characterized in that: It also includes a driving reducer (33), wherein the roller of the driving roller (31) is connected to the output shaft of the reducer (33); and it also includes a four-axis pressing electric cylinder (34), wherein the pressing roller (321) is rotatably connected to a roller frame (322), and the roller frame (322) is connected to the cylinder rod of the four-axis pressing electric cylinder (34).

3. The online automatic gas tank two-dimensional code laser welding equipment according to claim 2 is characterized in that: The fixed claw hoop (42) located on one side of the welding mechanism (5) is L-shaped.

4. The online automatic gas tank two-dimensional code laser welding equipment according to claim 3 is characterized by: The cabinet (1) is provided with input limiting mechanisms (11) on both sides of the input end.

5. The online automatic gas tank two-dimensional code laser welding equipment according to claim 4 is characterized in that: The limiting mechanism (11) comprises a pair of stepper motors (111) fixed on both sides of the cabinet (1), and a limiting roller (112) is provided on the output shaft of the stepper motor (111).

6. The online automatic gas tank two-dimensional code laser welding equipment according to claim 5 is characterized by: An infrared position sensor for detecting the direction of the shield opening is provided on the top of the cabinet (1) in the adjustment mechanism (3) area; and an infrared incoming material sensor for identifying incoming gas tank workpieces is provided on the side of the cabinet in the adjustment mechanism (3) and positioning mechanism (4) areas.

7. The online automatic gas tank two-dimensional code laser welding equipment according to claim 6 is characterized in that: The invention also comprises a PLC programmable controller (6), wherein the infrared position sensor and the infrared material incoming sensor are connected to the input end of the PLC programmable controller (6), and the reducer (33), the four-axis tightening electric cylinder (34), the two-axis electric cylinder (41), the telescopic electric cylinder (51), the rotating electric cylinder (52), the control switch of the air cylinder (54) and the welding gun (57), and the servo controller of the stepping motor (111) are all connected to the output end of the PLC programmable controller (6).

8. The online automatic gas tank two-dimensional code laser welding equipment according to any one of claims 1 to 7 is characterized in that: The conveying mechanism (2) is a crawler conveyor or a chain conveyor.

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