A welding device for forklift oil pipes and pipe joints

Abstract

The present invention relates to the technical field of welding devices, and discloses a welding device for forklift oil pipes and pipe joints, comprising: a welding box, wherein a base is provided at the bottom of the welding box; a welding mechanism, which is used to weld the forklift oil pipe body and the pipe joint body; a positioning and rotating mechanism, which is used to fix the forklift oil pipe body and the pipe joint body respectively and drive them to rotate during welding; an loading and unloading mechanism, which is used to drive the forklift oil pipe body and the pipe joint body to automatically enter and exit the welding box; and a grinding mechanism, which is used to grind the weld during the unloading process after welding is completed. By providing the grinding mechanism, the welding device can achieve the purpose of automatic discharge after welding is completed, and can drive the grinding block to move back and forth during discharge, and can effectively grind the weld by the grinding block moving back and forth during the downward movement of the forklift oil pipe body and the pipe joint body, thereby improving work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of welding devices, and more particularly to a welding device for forklift oil pipes and pipe joints. Background Art

[0002] Forklift oil pipes are usually located under the forklift chassis, connecting the fuel tank and the engine. During the production process of forklift oil pipes, welding equipment is required to weld the pipe joints to the forklift oil pipes.

[0003] In the prior art, a patent application with the publication number CN219966866U discloses a welding device for automobile oil pipes and pipe joints, comprising: a base; a support frame fixed on the base; two support plates provided and slidably arranged on the base; a first bidirectional screw rotatably arranged on the support frame and threadedly connected to the support plate; a sliding rod rotatably arranged on the support plate; a first rotating sleeve rotatably arranged on the support frame and slidably connected to the sliding rod; a clamping and fixing mechanism fixed to one end of the sliding rod for clamping and fixing; a first connecting assembly for connecting two first rotating sleeves; a welding mechanism provided on the support frame for welding; and a driving mechanism for driving the first bidirectional screw or the first rotating sleeve to rotate; the utility model can quickly weld oil pipes and pipe joints.

[0004] The technical solution proposed by the above patented technology is that when fixing the oil pipe and the pipe joint, the second bidirectional screw is driven to rotate by the driving member, and the second bidirectional screw drives the two trapezoidal sliders to slide along the mounting seat, and the trapezoidal slider drives the arc-shaped clamping plate to move, and the two second bidirectional screws clamp and fix the oil pipe or the pipe joint. The above fixing method uses two relatively movable arc-shaped clamping plates for fixing, resulting in that the transverse axis of the oil pipe and the pipe joint does not correspond to the transverse axis of the sliding rod after fixation, so that during the rotation of the sliding rod, the oil pipe and the pipe joint will have the problem of eccentric rotation, that is, during the rotation, the distance between the welding point and the welding head continues to change, which makes it inconvenient to weld the connection and reduces the welding quality.

[0005] To this end, the present invention provides a welding device for a forklift oil pipe and a pipe joint. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The present invention provides a welding device for forklift oil pipes and pipe joints, comprising:

[0008] A welding box, wherein a base is provided at the bottom of the welding box;

[0009] A welding mechanism for welding the forklift oil pipe body and the pipe joint body, the welding mechanism comprising a hydraulic rod fixed to the top wall of the welding box, and a mounting plate fixed to the telescopic end of the hydraulic rod, the lower surface of the mounting plate being provided with a welding gun;

[0010] A positioning and rotating mechanism, which is used to fix the forklift oil pipe body and the pipe joint body respectively and drive them to rotate during welding;

[0011] Loading and unloading mechanism, which is used to drive the forklift oil pipe body and pipe joint body to automatically enter and exit the welding box;

[0012] A grinding mechanism is used to grind the weld during the unloading process after welding is completed;

[0013] The cleaning mechanism is used to wipe and clean the weld after grinding.

[0014] Preferably, the positioning and rotating mechanism includes a fixed plate fixedly mounted on the upper surface of the base, and a sliding plate slidably mounted on the upper surface of the base, wherein a rotating column penetrating the fixed plate is rotatably mounted on the surface of the fixed plate, and a positioning tube penetrating the sliding plate is rotatably mounted on the surface of the sliding plate;

[0015] The end of the rotating column and the surface of the positioning tube are both embedded with positioning tubes, and there are two positioning tubes on the positioning tube. The inner wall of the positioning tube is fixed with four electric push rods in a circular array, and the pushing end of the electric push rod is fixed with an arc-shaped positioning plate.

[0016] Preferably, the positioning and rotating mechanism also includes two synchronous motors fixed on the outer surfaces of the fixed plate and the sliding plate respectively, and the output ends of the two synchronous motors, the surfaces of the positioning tube and the rotating column are all fixed with gear discs, and the gear discs at the output ends of the two synchronous motors are respectively engaged with the gear discs 609 on the surfaces of the positioning tube and the rotating column.

[0017] A rectangular groove is provided on the upper surface of the base, and a driving motor is fixedly provided on the inner wall of the rectangular groove. A transverse threaded column is fixedly provided on the output end of the driving motor, and the bottom end of the sliding plate is slidably connected to the inner wall of the rectangular groove. A threaded hole is provided on the side of the sliding plate and is threadedly connected to the outer surface of the transverse threaded column.

[0018] Preferably, the loading and unloading mechanism includes two L-shaped plates fixed on the upper surface of the base, and a lifting motor fixed on the upper surface of the welding box, the output end of the lifting motor extends to the interior of the welding box and is fixed with a vertical threaded column, and a limit rod is fixed on the inner top wall of the welding box at a position symmetrical to the vertical threaded column, a threaded hole is provided on the upper surface of one of the L-shaped plates that is threadedly connected to the outer surface of the vertical threaded column, and a sliding hole is provided on the upper surface of the other L-shaped plate that is slidably connected to the outer surface of the limit rod, and the bottom ends of the vertical threaded column and the limit rod are both fixed with limit blocks.

[0019] Preferably, the grinding mechanism includes an L-shaped slide bar slidably arranged on the top wall of the welding box, and a grinding block fixed to the end of the L-shaped slide bar and corresponding to the weld between the forklift oil pipe body and the pipe joint body;

[0020] The grinding mechanism also includes a connecting rod rotatably arranged on the inner walls of both sides of the welding box, and a reciprocating screw fixed on the surface of the connecting rod. The side of the L-shaped sliding rod is provided with a threaded hole threadedly connected to the outer surface of the reciprocating screw. A connecting block is fixed on the inner top wall of the welding box, and a connecting shaft that passes through the connecting block is rotatably arranged on the outer surface of the connecting block. One end of the connecting shaft and the surface of the vertical threaded column are fixed with a first bevel gear that meshes with each other, and the other end of the connecting shaft and the surface of the connecting rod are fixed with a second bevel gear that meshes with each other.

[0021] Preferably, the cleaning mechanism includes a horizontal plate fixed to the inner wall of the welding box, and a vertical shaft rotatably arranged on the upper surface of the horizontal plate, wherein a cleaning block is fixed to the top of the vertical shaft, and a cleaning felt is fixed to the back of the cleaning block;

[0022] An L-shaped fixing rod is fixed to the back of the fixing plate, and a straight rack is fixed to the end of the L-shaped fixing rod. A fixing block is fixed to the upper surface of the horizontal plate. A horizontal shaft that passes through the fixing block is rotatably provided on the surface of the fixing block, and one end of the horizontal shaft and the surface of the vertical shaft are fixed with a third bevel gear that meshes with each other, and the other end of the horizontal shaft is fixed with a gear that meshes with the straight rack. An opening for the gear to rotate is provided on the upper surface of the horizontal plate, and a torsion spring is provided on the bottom end of the vertical shaft and the surface of the horizontal plate to facilitate resetting of the vertical shaft after rotation.

[0023] Preferably, a cleaning mechanism for cleaning the surface of the cleaning felt is provided on the back of the cleaning block, and the cleaning mechanism includes two connecting plates symmetrically fixed on the back of the welding box, and a cleaning pipe rotatably arranged on the two connecting plates and passing through the two connecting plates, and a water storage tank fixed on the back of the welding box, a water pump is provided on the upper surface of the water storage tank, the water inlet end of the water pump extends to the interior of the water storage tank and is fixed with a filter cover, the water outlet end of the water pump is provided with a hose extending to the interior of the cleaning pipe, and the outer surface of the cleaning pipe is equidistantly provided with a number of water outlet heads inclined and facing the cleaning felt.

[0024] Preferably, a water collecting trough corresponding to the cleaning felt on the back of the cleaning block is fixed on the upper surface of the fixing block, and a return pipe extending to the inside of the water storage tank is embedded in the inner bottom wall of the water collecting trough.

[0025] Preferably, a rotating disk is fixedly provided at the end of the cleaning tube, and an L-shaped lead rod is fixedly provided on the surface of the rotating disk, a pull rope is fixedly provided at the end of the L-shaped lead rod, a fixed rod is fixedly provided on the surface of the L-shaped slide rod, a guide pulley is provided on the inner top wall of the welding box, and the end of the pull rope away from the L-shaped lead rod passes through the guide pulley and is fixedly connected to the surface of the fixed rod.

[0026] The beneficial effects of the present invention are as follows: the welding device for forklift oil pipes and pipe joints of the present invention is achieved through.

[0027] The welding device for forklift oil pipes and pipe joints described in the present invention can effectively fix the forklift oil pipe body and the pipe joint body respectively by providing a welding mechanism, a positioning and rotating mechanism, and a loading and unloading mechanism. At the same time, when loading, it can drive the base and the positioning and rotating mechanism to move upward and enter the interior of the welding box for welding, and can also drive the forklift oil pipe body and the pipe joint body to rotate simultaneously, thereby achieving the purpose of rotary welding of the weld.

[0028] The welding device for forklift oil pipes and pipe joints described in the present invention is equipped with a grinding mechanism so that the welding device can achieve the purpose of automatic discharge after welding is completed. In addition, during the discharge process, the welding point can be effectively polished by the grinding block moving back and forth, thereby improving work efficiency.

[0029] The welding device for forklift oil pipes and pipe joints of the present invention is provided with a cleaning mechanism, which can effectively wipe and clean the welding point between the polished forklift oil pipe body and the pipe joint body during the discharge process.

[0030] The welding device for forklift oil pipes and pipe joints described in the present invention can wash the surface of the cleaning felt from top to bottom through the water outlet head by providing a cleaning mechanism, and can drive the cleaning pipe to swing back and forth, so that the water sprayed from the water outlet head can flow to the surface of the cleaning felt in a swinging manner, which is more conducive to sufficient water washing of the cleaning felt surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0032] Figure 2 This is a schematic diagram of the internal structure of the welding box of the present invention;

[0033] Figure 3 yes Figure 2 A in the middle is an enlarged structural diagram;

[0034] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention after removing the welding box;

[0035] Figure 5This is a schematic diagram of the front cross-section structure of the welding box of the present invention;

[0036] Figure 6 This invention Figure 5 The enlarged structural diagram at B in the middle;

[0037] Figure 7 This is a schematic diagram of the side cross-section structure of the welding box of the present invention;

[0038] Figure 8 This invention Figure 7 The enlarged structural diagram at C in the middle;

[0039] Figure 9 This is a side view of the structure of the horizontal plate and the fixed plate of the present invention;

[0040] Figure 10 This invention Figure 7 Schematic diagram of the second perspective structure;

[0041] Figure 11 This invention Figure 10 Enlarged structural diagram at point D in the middle.

[0042] In the picture:

[0043] 100. Welding box;

[0044] 200, base;

[0045] 300, welding mechanism; 301, hydraulic rod; 302, mounting plate; 303, welding gun;

[0046] 400, forklift oil pipe body;

[0047] 500, pipe joint body;

[0048] 600, positioning and rotating mechanism; 601, fixed plate; 602, sliding plate; 603, rotating column; 604, positioning tube; 605, positioning cylinder; 606, electric push rod; 607, arc-shaped positioning plate; 608, synchronous motor; 609, geared disc; 6010, driving motor; 6011, transverse threaded column;

[0049] 700, loading and unloading mechanism; 701, L-shaped plate; 702, lifting motor; 703, vertical threaded column; 704, limiting rod; 705, limiting block;

[0050] 800, grinding mechanism; 801, L-shaped slide bar; 802, grinding block; 803, connecting rod; 804, reciprocating screw; 805, connecting shaft; 806, first bevel gear; 807, second bevel gear;

[0051] 900, cleaning mechanism; 901, vertical axis; 902, cleaning block; 903, cleaning felt; 904, L-shaped fixing rod; 905, spur rack; 906, horizontal axis; 907, third bevel gear; 908, gear; 909, torsion spring; 9010, horizontal plate; 9011, fixing block;

[0052] 1000. Cleaning mechanism; 1001. Cleaning pipe; 1002. Water storage tank; 1003. Water pump; 1004. Hose; 1005. Water collection tank; 1006. Return pipe; 1007. Rotating disk; 1008. L-shaped lead rod; 1009. Pull rope; 10010. Fixed rod; 10011. Guide pulley; 10012. Water outlet. DETAILED DESCRIPTION

[0053] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed solely to enable those skilled in the art to better understand and implement the subject matter described herein, and that the functions and arrangements of the elements discussed may be varied without departing from the scope of this specification. Various examples may omit, substitute, or add various processes or components as needed. In addition, features described with respect to some examples may also be combined in other examples.

[0054] Example 1

[0055] like Figures 1 to 10 As shown in the embodiment of the present invention, a welding device for forklift oil pipe and pipe joint is provided. Figure 2 , including: a welding box 100, a base 200 is provided at the bottom of the welding box 100; a welding mechanism 300, which is used to weld the forklift oil pipe body 400 and the pipe joint body 500, the welding mechanism 300 includes a hydraulic rod 301 fixed to the top wall of the welding box 100, and a mounting plate 302 fixed to the telescopic end of the hydraulic rod 301, and a welding gun 303 is provided on the lower surface of the mounting plate 302; a positioning and rotating mechanism 600, which is used to fix the forklift oil pipe body 400 and the pipe joint body 500 respectively, and drive the forklift oil pipe body 400 and the pipe joint body 500 to rotate during welding.

[0056] Please refer to Figure 4 , Figure 5 The positioning and rotating mechanism 600 includes a fixed plate 601 fixed on the upper surface of the base 200, and a sliding plate 602 slidably provided on the upper surface of the base 200. A rotating column 603 passing through the fixed plate 601 is rotatably provided on the surface of the fixed plate 601, and a positioning tube 604 passing through the sliding plate 602 is rotatably provided on the surface of the sliding plate 602.

[0057] The end of the rotating column 603 and the surface of the positioning tube 604 are both embedded with positioning cylinders 605, and there are two positioning cylinders 605 on the positioning tube 604. The inner wall of the positioning cylinder 605 is fixed with four electric push rods 606 in a circular array, and the pushing end of the electric push rod 606 is fixed with an arc-shaped positioning plate 607.

[0058] Specifically, under the action of the electric push rod 606, the forklift oil pipe body 400 and the pipe joint body 500 can be respectively fixed at the center position of the positioning tube 604 and the right positioning cylinder 605, so that forklift oil pipe bodies 400 and pipe joint bodies 500 of different sizes can be effectively fixed, ensuring stability during welding.

[0059] Please refer to 4 in particular. The positioning and rotating mechanism 600 also includes two synchronous motors 608 respectively fixed on the outer surfaces of the fixed plate 601 and the sliding plate 602, and the output ends of the two synchronous motors 608, the surfaces of the positioning tube 604 and the rotating column 603 are all fixed with toothed discs 609. The toothed discs 609 at the output ends of the two synchronous motors 608 are respectively engaged with the toothed discs 609 on the surfaces of the positioning tube 604 and the rotating column 603.

[0060] A rectangular groove is provided on the upper surface of the base 200, and a driving motor 6010 is fixedly provided on the inner wall of the rectangular groove. A transverse threaded column 6011 is fixedly provided on the output end of the driving motor 6010, and the bottom end of the sliding plate 602 is slidingly connected to the inner wall of the rectangular groove. A threaded hole is provided on the side of the sliding plate 602 and is threadedly connected to the outer surface of the transverse threaded column 6011.

[0061] Specifically, by providing a driving motor 6010 and a transverse threaded column 6011 , the rotation of the driving motor 6010 can drive the positioned forklift oil pipe body 400 to automatically approach the pipe joint body 500 to achieve docking, thereby facilitating welding.

[0062] The loading and unloading mechanism 700 is used to drive the forklift oil pipe body 400 and the pipe joint body 500 to automatically enter and exit the welding box 100.

[0063] Example 2

[0064] Please refer to Figure 3 , Figure 4The loading and unloading mechanism 700 includes two L-shaped plates 701 fixed on the upper surface of the base 200, and a lifting motor 702 fixed on the upper surface of the welding box 100. The output end of the lifting motor 702 extends to the interior of the welding box 100 and is fixed with a vertical threaded column 703. A limiting rod 704 is fixed on the inner top wall of the welding box 100 at a position symmetrical to the vertical threaded column 703. A threaded hole threadedly connected to the outer surface of the vertical threaded column 703 is opened on the upper surface of one L-shaped plate 701, and a sliding hole slidingly connected to the outer surface of the limiting rod 704 is opened on the upper surface of the other L-shaped plate 701, and a limiting block 705 is fixed at the bottom end of the vertical threaded column 703 and the limiting rod 704.

[0065] Specifically, the setting of the limiting rod 704 effectively ensures the stability of the base 200 during the lifting process.

[0066] In this embodiment, by providing a welding mechanism 300, a positioning and rotating mechanism 600, and a loading and unloading mechanism 700, the welding device can effectively fix the forklift oil pipe body 400 and the pipe joint body 500 respectively when welding the forklift oil pipe body 400 and the pipe joint body 500, and at the same time, can achieve the purpose of rotational welding of the weld.

[0067] Example 2

[0068] Based on the first embodiment, and different from the first embodiment:

[0069] A welding device for a forklift oil pipe and a pipe joint, further comprising:

[0070] A grinding mechanism 800 is used to grind the weld during the blanking process after welding is completed;

[0071] Please refer to Figure 3 , Figure 6 The grinding mechanism 800 includes an L-shaped slide bar 801 slidably disposed on the top wall of the welding box 100, and a grinding block 802 fixed to the end of the L-shaped slide bar 801 and corresponding to the weld between the forklift oil pipe body 400 and the pipe joint body 500;

[0072] The grinding mechanism 800 also includes a connecting rod 803 rotatably arranged on the inner walls on both sides of the welding box 100, and a reciprocating screw 804 fixed on the surface of the connecting rod 803. The side of the L-shaped slide rod 801 is provided with a threaded hole threadedly connected to the outer surface of the reciprocating screw 804. A connecting block is fixed on the inner top wall of the welding box 100, and a connecting shaft 805 that passes through the connecting block is rotatably provided on the outer surface of the connecting block. One end of the connecting shaft 805 and the surface of the vertical threaded column 703 are fixed with a first bevel gear 806 that meshes with each other, and the other end of the connecting shaft 805 and the surface of the connecting rod 803 are fixed with a second bevel gear 807 that meshes with each other.

[0073] Specifically, by setting up the connecting shaft 805, the first bevel gear 806 and the second bevel gear 807, the grinding block 802 can be driven to move back and forth to fully grind the welding part when the vertical threaded column 703 rotates and drives the base 200 to move downward.

[0074] In this embodiment, by providing a grinding mechanism 800, the welding device can drive the grinding block 802 to move back and forth during the discharge process after welding is completed, and then the welding point can be effectively polished by the grinding block 802 that moves back and forth during the downward movement of the forklift oil pipe body 400 and the pipe joint body 500, thereby improving work efficiency.

[0075] Example 3

[0076] On the basis of the first and second embodiments, and different from the first and second embodiments, the following are the differences:

[0077] A welding device for a forklift oil pipe and a pipe joint, further comprising:

[0078] The cleaning mechanism 900 is used to wipe and clean the weld after grinding.

[0079] Please refer to Figure 7 , Figure 8 The cleaning mechanism 900 includes a horizontal plate 9010 fixed to the inner wall of the welding box 100, and a vertical shaft 901 rotatably arranged on the upper surface of the horizontal plate 9010, and a cleaning block 902 is fixed on the top of the vertical shaft 901, and a cleaning felt 903 is fixed on the back of the cleaning block 902;

[0080] An L-shaped fixing rod 904 is fixed to the back of the fixing plate 601, and a straight rack 905 is fixed to the end of the L-shaped fixing rod 904. A fixing block 9011 is fixed to the upper surface of the horizontal plate 9010. A horizontal shaft 906 that passes through the fixing block 9011 is rotatably provided on the surface of the fixing block 9011, and one end of the horizontal shaft 906 and the surface of the vertical shaft 901 are fixed with a third bevel gear 907 that meshes with each other, and the other end of the horizontal shaft 906 is fixed with a gear 908 that meshes with the straight rack 905. An opening is provided on the upper surface of the horizontal plate 9010 for rotating the gear 908, and a torsion spring 909 is provided at the bottom end of the vertical shaft 901 and the surface of the horizontal plate 9010 to facilitate the resetting of the vertical shaft 901 after rotation.

[0081] Specifically, when the forklift oil pipe body 400 and the pipe joint body 500 are separated from the polishing block 802 and move downward, the cleaning block 902 can be automatically turned 180 degrees, so that the cleaning felt 903 can wipe the polished area, and the cleaning felt 903 can automatically reset after wiping is completed.

[0082] In this embodiment, by providing a cleaning mechanism 900, when the forklift oil pipe body 400 and the pipe joint body 500 move downward and the weld is separated from the position of the grinding block 802, when the forklift oil pipe body 400 and the pipe joint body 500 continue to move downward, the cleaning felt 903 can be used to effectively wipe and clean the debris generated by the grinding of the weld, thereby achieving the purpose of effectively wiping and cleaning the weld between the forklift oil pipe body 400 and the pipe joint body 500 after grinding.

[0083] Example 4

[0084] Based on the first, second and third embodiments, and different from the first, second and third embodiments, the following are the differences:

[0085] A welding device for a forklift oil pipe and a pipe joint, further comprising:

[0086] Please refer to Figure 8 , Figure 9 , Figure 10 A cleaning mechanism 1000 for cleaning the surface of the cleaning felt 903 is provided on the back of the cleaning block 902. The cleaning mechanism 1000 includes two connecting plates symmetrically fixed on the back of the welding box 100, and a cleaning pipe 1001 rotatably arranged on the two connecting plates and passing through the two connecting plates, and a water tank 1002 fixed on the back of the welding box 100. A water pump 1003 is provided on the upper surface of the water tank 1002. The water inlet end of the water pump 1003 extends to the interior of the water tank 1002 and is fixed with a filter cover. The water outlet end of the water pump 1003 is provided with a hose 1004 extending to the interior of the cleaning pipe 1001. The outer surface of the cleaning pipe 1001 is equidistantly provided with a number of water outlet heads 10012 inclined and facing the cleaning felt 903.

[0087] Specifically, the inclined setting of the water outlet head 10012 can enable the water flow to move downward from the top of the cleaning felt 903 to achieve the purpose of water washing.

[0088] Please refer to Figure 8 A water collecting trough 1005 corresponding to the cleaning felt 903 on the back of the cleaning block 902 is fixed on the upper surface of the fixing block 9011 , and a return pipe 1006 extending to the inside of the water storage tank 1002 is embedded in the inner bottom wall of the water collecting trough 1005 .

[0089] Specifically, the setting of the water collecting tank 1005 and the return pipe 1006 can recycle the water after washing and flow it back into the water storage tank 1002 through the return pipe 1006. The water storage tank 1002 is provided with a water inlet at the top and a sewage valve at the bottom.

[0090] Please refer to Figure 7 , Figure 8A rotating disk 1007 is fixedly provided at the end of the cleaning tube 1001, and an L-shaped lead rod 1008 is fixedly provided on the surface of the rotating disk 1007, a pull rope 1009 is fixedly provided at the end of the L-shaped lead rod 1008, a fixed rod 10010 is fixedly provided on the surface of the L-shaped slide rod 801, and a guide pulley 10011 is provided on the inner top wall of the welding box 100, and the end of the pull rope 1009 away from the L-shaped lead rod 1008 passes through the guide pulley 10011 and is fixedly connected to the surface of the fixed rod 10010.

[0091] Specifically, by pulling the rope 1009 , the cleaning pipe 1001 can be driven to swing back and forth as the polishing block 802 moves back and forth, so that the water discharged through the water outlet head 10012 can flow toward the surface of the cleaning felt 903 in a swinging manner.

[0092] In this embodiment, by setting up a cleaning mechanism 1000, when the forklift oil pipe body 400 and the pipe joint body 500 move downward to discharge the material, when the welding point of the forklift oil pipe body 400 and the pipe joint body 500 passes through the area of the grinding block 802, it can drive the cleaning pipe 1001 to swing back and forth, so that the water sprayed from the water outlet head 10012 can flow to the surface of the cleaning felt 903 in a swinging manner, which is more conducive to sufficient water washing of the surface of the cleaning felt 903.

[0093] Working principle:

[0094] In the initial state, the base 200 and the welding box 100 are in a separated state. When welding the forklift oil pipe body 400 and the pipe joint body 500, the welding device can first insert the pipe joint body 500 into the positioning cylinder 605 on the rotating column 603, and insert the forklift oil pipe body 400 into the interior of the positioning tube 604, and at the same time start the electric push rods 606 inside the three positioning cylinders 605 to achieve effective fixation of the forklift oil pipe body 400 and the pipe joint body 500 respectively, and then start the drive motor 6010 to drive the horizontal threaded column 6011 to rotate, and the rotation of the horizontal threaded column 6011 drives the sliding plate 602 to move, and the rotation of the sliding plate 602 drives the positioned forklift oil pipe body 400 to approach the pipe joint body 50 0 and docked with its end, the lifting motor 702 is started again to drive the vertical threaded column 703 to rotate. The rotation of the vertical threaded column 703 drives the L-shaped plate 701 to move upward, and under the action of the limit rod 704, the base 200 and the positioning rotation mechanism 600 are driven to move upward and enter the interior of the welding box 100. Finally, the hydraulic rod 301 is started to drive the mounting plate 302 and the welding gun 303 to move downward to the welding position, and the welding gun 303 is started to weld. At the same time, during the welding process, the two synchronous motors 608 can be started at the same time. The rotation of the synchronous motor 608 drives the positioning tube 604 and the rotating column 603 to rotate simultaneously under the action of the two gear plates 609, thereby driving the forklift oil pipe body 400 and the pipe joint body 500 to rotate simultaneously, realizing The purpose of rotary welding is now achieved on the weld seam. After welding is completed, the welding device can first start the lifting motor 702 to drive the vertical threaded column 703 to rotate in the opposite direction, thereby driving the L-shaped plate 701 and the base 200 to move downward, driving the positioning rotation mechanism 600 to move downward, and at the same time starting the two synchronous motors 608 to drive the forklift oil pipe body 400 and the pipe joint body 500 to rotate, thereby driving the welded forklift oil pipe body 400 and the pipe joint body 500 to automatically move downward and separate from the welding box 100, achieving the purpose of automatic unloading. In the process of the forklift oil pipe body 400 and the pipe joint body 500 moving downward, the rotation of the vertical threaded column 703 drives the connecting shaft 805 to rotate under the action of the two first bevel gears 806. The rotation of the connecting shaft 805 drives the connecting rod 803 to rotate under the action of the two second bevel gears 807. The rotation of the connecting rod 803 drives the reciprocating screw 804 to rotate. The rotation of the reciprocating screw 804 drives the L-shaped slide bar 801 to move back and forth, thereby driving the grinding block 802 to move back and forth. As a result, the welding part can be effectively polished by the grinding block 802 that moves back and forth during the downward movement of the forklift oil pipe body 400 and the pipe joint body 500, thereby improving work efficiency. At the same time, when the forklift oil pipe body 400 and the pipe joint body 500 move downward, the welding part is separated from the position of the grinding block 802. At this time, the straight rack 905 on the L-shaped fixing rod 904 on the back of the fixing plate 601 can mesh with the gear 908.Continuing to move downward can drive the gear 908 and the horizontal shaft 906 to rotate. The rotation of the horizontal shaft 906 drives the vertical shaft 901 and the cleaning block 902 to rotate under the action of the two third bevel gears 907. When the spur rack 905 is disengaged from the gear 908, the cleaning block 902 can rotate exactly 180 degrees. At this time, the welding point between the forklift oil pipe body 400 and the pipe joint body 500 contacts the cleaning felt 903, which can limit the cleaning block 902 and prevent it from returning to its original position. When the forklift oil pipe body 400 and the pipe joint body 500 continue to move downward, The cleaning felt 903 can be used to effectively wipe and clean the debris generated by the grinding of the welding part. When the welding part of the forklift oil pipe body 400 and the pipe joint body 500 is separated from the position of the cleaning block 902, the vertical shaft 901 can be restored to its original position under the action of the torsion spring 909, that is, the cleaning felt 903 can be rotated to a position facing away from the welding part of the forklift oil pipe body 400 and the pipe joint body 500, thereby effectively wiping and cleaning the welding part of the forklift oil pipe body 400 and the pipe joint body 500 after grinding. Finally, it should be noted that In the process of the forklift oil pipe body 400 and the pipe joint body 500 moving downward to discharge the material, when the welding part of the forklift oil pipe body 400 and the pipe joint body 500 passes through the area of the grinding block 802, the water pump 1003 is started to transport the water in the water tank 1002 to the cleaning pipe 1001 through the hose 1004, and the surface of the cleaning felt 903 is washed from top to bottom through the water outlet head 10012. In addition, when the grinding block 802 moves back and forth to grind, the L-shaped slide bar 801 moves back and forth, which can drive the fixed rod 10010 to move back and forth. The back-and-forth movement of the fixed rod 10010 can drive the pull rope 1009 to pull the L-shaped lead rod 1008. At the same time, the L-shaped lead rod 1008 can rotate downward under the action of its own gravity, thereby achieving the purpose of continuously pulling the L-shaped lead rod 1008 back and forth and causing it to swing back and forth. During the reciprocating rotation of the L-shaped lead rod 1008, it can drive the cleaning pipe 1001 to swing back and forth, so that the water sprayed from the water outlet head 10012 can flow toward the surface of the cleaning felt 903 in a swinging manner, which is more conducive to fully washing the surface of the cleaning felt 903.

[0095] The above describes an embodiment of this specific implementation method, but this embodiment is not limited to the above specific implementation method. The above specific implementation method is merely illustrative and not restrictive. Ordinary technicians in this field can also make many forms based on the inspiration of this embodiment, all of which are protected by this embodiment.

Claims

1. A welding device for forklift oil pipes and pipe joints, characterized in that: include: A welding box (100), wherein a base (200) is provided at the bottom of the welding box (100); A welding mechanism (300) is used for welding a forklift oil pipe body (400) and a pipe joint body (500), the welding mechanism (300) comprising a hydraulic rod (301) fixed to the inner top wall of a welding box (100), and a mounting plate (302) fixed to the telescopic end of the hydraulic rod (301), wherein a welding gun (303) is provided on the lower surface of the mounting plate (302); A positioning and rotating mechanism (600) is used to fix the forklift oil pipe body (400) and the pipe joint body (500) respectively and drive them to rotate during welding; A loading and unloading mechanism (700) is used to drive the forklift oil pipe body (400) and the pipe joint body (500) to automatically enter and exit the welding box (100); The welding box (100) is further provided with a grinding mechanism (800) for grinding the weld between the forklift oil pipe body (400) and the pipe joint (500) during the blanking process, wherein the grinding mechanism (800) comprises an L-shaped slide bar (801) slidably arranged on the top wall of the welding box (100), and a grinding block (802) fixed to the end of the L-shaped slide bar (801) and corresponding to the weld between the forklift oil pipe body (400) and the pipe joint body (500); The grinding mechanism (800) further comprises a connecting rod (803) rotatably arranged on the inner walls of both sides of the welding box (100), and a reciprocating screw (804) fixed on the surface of the connecting rod (803); a threaded hole threadedly connected to the outer surface of the reciprocating screw (804) is provided on the side of the L-shaped slide bar (801); a connecting block is fixedly provided on the inner top wall of the welding box (100); and a connecting shaft (805) is rotatably provided on the outer surface of the connecting block and passes through the connecting block; one end of the connecting shaft (805) and the surface of the vertical threaded column (703) are fixedly provided with a first bevel gear (806) that meshes with each other, and the other end of the connecting shaft (805) and the surface of the connecting rod (803) are fixedly provided with a second bevel gear (807) that meshes with each other; The welding box (100) is further provided with a cleaning mechanism (900) for cleaning the welding portion between the forklift oil pipe body (400) and the pipe joint (500) after polishing. The cleaning mechanism (900) comprises a horizontal plate (9010) fixedly mounted on the inner wall of the welding box (100), and a vertical shaft (901) rotatably mounted on the upper surface of the horizontal plate (9010). A cleaning block (902) is fixedly mounted on the top end of the vertical shaft (901), and a cleaning felt (903) is fixedly mounted on the back of the cleaning block (902). An L-shaped fixing rod (904) is fixed on the back of the fixing plate (601) on the positioning and rotating mechanism (600), and a straight rack (905) is fixed on the end of the L-shaped fixing rod (904). A fixing block (9011) is fixed on the upper surface of the horizontal plate (9010). A horizontal shaft (906) that passes through the fixing block (9011) is rotatably provided on the surface of the fixing block (9011). One end of the horizontal shaft (906) and the surface of the vertical shaft (901) are fixed with a third bevel gear (907) that meshes with each other, and the other end of the horizontal shaft (906) is fixed with a gear (908) that meshes with the straight rack (905). An opening is provided on the upper surface of the horizontal plate (9010) for rotating the gear (908). A torsion spring (909) is provided at the bottom end of the vertical shaft (901) and the surface of the horizontal plate (9010) to facilitate resetting the vertical shaft (901) after rotation. The back of the cleaning block (902) is provided with a cleaning mechanism (1000) for cleaning the surface of the cleaning felt (903), the cleaning mechanism (1000) comprising two connecting plates symmetrically fixed on the back of the welding box (100), a cleaning pipe (1001) rotatably arranged on the two connecting plates and penetrating the two connecting plates, and a water storage tank (1002) fixed on the back of the welding box (100), a water pump (1003) being provided on the upper surface of the water storage tank (1002), a water inlet end of the water pump (1003) extending into the interior of the water storage tank (1002) and fixedly provided with a filter cover, a water outlet end of the water pump (1003) being provided with a hose (1004) extending into the interior of the cleaning pipe (1001), and a plurality of water outlet heads (10012) being equidistantly provided on the outer surface of the cleaning pipe (1001) inclined and facing the cleaning felt (903); A rotating disk (1007) is fixedly provided at the end of the cleaning tube (1001), and an L-shaped lead rod (1008) is fixedly provided on the surface of the rotating disk (1007), a pull rope (1009) is fixedly provided at the end of the L-shaped lead rod (1008), a fixed rod (10010) is fixedly provided on the surface of the L-shaped slide rod (801), a guide pulley (10011) is provided on the inner top wall of the welding box (100), and the end of the pull rope (1009) away from the L-shaped lead rod (1008) passes through the guide pulley (10011) and is fixedly connected to the surface of the fixed rod (10010).

2. A welding device for forklift oil pipes and pipe joints according to claim 1, characterized in that: The positioning and rotating mechanism (600) comprises a fixed plate (601) fixedly mounted on the upper surface of the base (200), and a sliding plate (602) slidably mounted on the upper surface of the base (200); a rotating column (603) penetrating the fixed plate (601) is rotatably mounted on the surface of the fixed plate (601); and a positioning tube (604) penetrating the sliding plate (602) is rotatably mounted on the surface of the sliding plate (602); The end of the rotating column (603) and the surface of the positioning tube (604) are both embedded with positioning cylinders (605), and there are two positioning cylinders (605) on the positioning tube (604). The inner wall of the positioning cylinder (605) is fixed with four electric push rods (606) in a circular array, and the pushing end of the electric push rod (606) is fixed with an arc-shaped positioning plate (607).

3. A welding device for forklift oil pipes and pipe joints according to claim 2, characterized in that: The positioning and rotating mechanism (600) further comprises two synchronous motors (608) respectively fixed on the outer surfaces of the fixed plate (601) and the sliding plate (602), and toothed discs (609) are fixed on the surfaces of the output ends of the two synchronous motors (608), the positioning tube (604) and the rotating column (603), respectively. The toothed discs (609) at the output ends of the two synchronous motors (608) are meshed with the toothed discs 609 on the surfaces of the positioning tube (604) and the rotating column (603); A rectangular groove is provided on the upper surface of the base (200), and a driving motor (6010) is fixedly provided on the inner wall of the rectangular groove. A transverse threaded column (6011) is fixedly provided on the output end of the driving motor (6010), and the bottom end of the sliding plate (602) is slidably connected to the inner wall of the rectangular groove, and a threaded hole is provided on the side surface of the sliding plate (602) and is threadedly connected to the outer surface of the transverse threaded column (6011).

4. A welding device for forklift oil pipes and pipe joints according to claim 3, characterized in that: The loading and unloading mechanism (700) includes two L-shaped plates (701) fixed on the upper surface of the base (200), and a lifting motor (702) fixed on the upper surface of the welding box (100), the output end of the lifting motor (702) extends to the interior of the welding box (100) and is fixed with a vertical threaded column (703), and a limiting rod (704) is fixed on the inner top wall of the welding box (100) at a position symmetrical to the vertical threaded column (703), a threaded hole is provided on the upper surface of one of the L-shaped plates (701) and is threadedly connected to the outer surface of the vertical threaded column (703), and a sliding hole is provided on the upper surface of the other L-shaped plate (701) and is slidably connected to the outer surface of the limiting rod (704), and the bottom ends of the vertical threaded column (703) and the limiting rod (704) are both fixed with limiting blocks (705).

5. The welding device for forklift oil pipes and pipe joints according to claim 1, characterized in that: A water collecting trough (1005) corresponding to the cleaning felt (903) on the back of the cleaning block (902) is fixed on the upper surface of the fixing block (9011), and a return pipe (1006) extending to the interior of the water storage tank (1002) is embedded in the inner bottom wall of the water collecting trough (1005).

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