CN114769793A - Variable-pitch positioning environment-friendly mechanical workpiece welding equipment - Google Patents

Variable-pitch positioning environment-friendly mechanical workpiece welding equipment Download PDF

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Publication number
CN114769793A
CN114769793A CN202210714358.5A CN202210714358A CN114769793A CN 114769793 A CN114769793 A CN 114769793A CN 202210714358 A CN202210714358 A CN 202210714358A CN 114769793 A CN114769793 A CN 114769793A
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CN
China
Prior art keywords
telescopic rod
material changing
electric telescopic
workpiece
inner ring
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CN202210714358.5A
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Chinese (zh)
Inventor
邢万鹏
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Xuzhou Saiwei Machinery Manufacturing Technology Co ltd
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Xuzhou Saiwei Machinery Manufacturing Technology Co ltd
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Priority to CN202210714358.5A priority Critical patent/CN114769793A/en
Publication of CN114769793A publication Critical patent/CN114769793A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/24—Features related to electrodes
    • B23K9/28—Supporting devices for electrodes
    • B23K9/287—Supporting devices for electrode holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories
    • B23K9/325—Devices for supplying or evacuating shielding gas

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a variable-pitch positioning environment-friendly mechanical workpiece welding device which comprises a workbench, an automatic welding assembly, a material changing device, a redirecting and sequencing material taking device and a carbonate coating piece, wherein the automatic welding assembly is arranged on the upper wall of the workbench, the material changing device is arranged on the upper wall of the workbench, the redirecting and sequencing material taking device is arranged on the material changing device, a bottom plate is arranged on the workbench, and the carbonate coating piece is arranged on the bottom plate. The invention belongs to the technical field of welding equipment, and particularly relates to variable-pitch positioning environment-friendly mechanical workpiece welding equipment which can realize automatic clamping and releasing of a clamp during welding, automatic alignment of welding seams during workpiece welding, automatic taking-out of a workpiece after welding and reduction of smoke and strong light pollution during welding.

Description

Variable-pitch positioning environment-friendly mechanical workpiece welding equipment
Technical Field
The invention relates to the technical field of welding equipment, in particular to variable-pitch positioning environment-friendly mechanical workpiece welding equipment.
Background
Welding, also known as fusion welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, in a heated, high temperature or high pressure manner. The mechanical workpieces are also called mechanical elements, which are basic elements forming the machine and are inseparable single parts forming the machine and the machine, and some mechanical workpieces need to be welded together into a whole after the mechanical workpieces are machined, so that relevant welding equipment is needed.
Automatic welding has become popular in practical production, and the following problems exist in the current automatic welding:
(1) the welding working condition is single, different workpieces are welded by matching with different clamps, manual operation is required for clamping and dismantling the clamps, and the working efficiency is low;
(2) a welding workshop has a large amount of light pollution and smoke pollution, and the health of workers is damaged;
(3) the welded workpieces need to be stacked one by workers after the clamps are disassembled, and mechanical production is not facilitated.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the variable-pitch positioning environment-friendly mechanical workpiece welding equipment, which utilizes the characteristics of high temperature and instantaneity of the spot welding process to decompose CO by utilizing the high temperature near a molten pool when carbonate is subjected to spot welding2The air is isolated from the molten pool to prevent the molten pool from being oxidized; creatively applies the foaming agent in the welding field, combines the foaming agent with the carbonate emulsion to decompose gaseous CO generated by heating the carbonate emulsion2CO converted into solid state2Foam, CO on the one hand2The foam covers the molten pool from bottom to top in a solid expansion mode to isolate air, and meanwhile, the welding electric arc can melt the foam layer by utilizing the high temperature of the welding electric arc, so that the technical effects of isolating air and not isolating the electric arc are realized; on the other hand, the metal oxide and the non-metal oxide generated in the molten pool are fused into CO in the rising process2The foam is not diffused any more, and the strong light of the welding point is also CO2The foam is blocked and absorbed, so that the optimization of the welding environment is realized, and the health of workers is better protected; the moment balance principle and the characteristic that the welded workpiece is uneven in mass distribution are ingeniously utilized, so that workpieces with different angles rotate due to the fact that the moment of the workpieces is unbalanced after passing through the reorientation material distribution table and the soft brush until the moment balance is achieved, and the positions of the workpieces are reset. The workpiece after being placed in the right position passes through the upper discharging table and the lower discharging table respectively due to different gravity centers, so that the technical effect of preliminarily stacking the workpieces is achieved.
The technical scheme adopted by the invention is as follows: the invention provides a variable-pitch positioning environment-friendly machineThe workpiece welding equipment comprises a workbench, an automatic welding assembly, a material changing device, a redirecting, sequencing and taking device and a carbonate coating piece, wherein the automatic welding assembly is arranged on the upper wall of the workbench, the material changing device is arranged on the upper wall of the workbench, the redirecting, sequencing and taking device is arranged on the material changing device, a bottom plate is arranged on the workbench, the carbonate coating piece is arranged on the bottom plate, the workbench supports and fixes the automatic welding assembly, the material changing device and the carbonate coating piece, and the material changing device supports and fixes the redirecting, sequencing and taking device; the carbonate coating piece comprises a carbonate emulsion tank, a high-pressure pump and an emulsion pipe, wherein the carbonate emulsion tank is arranged on a bottom plate, carbonate emulsion is filled in the carbonate emulsion tank, the high-pressure pump is arranged on the bottom plate, the bottom plate supports and fixes the emulsion tank and the high-pressure pump, a high-pressure hose is arranged on the high-pressure pump, the high-pressure pump is connected with the carbonate emulsion tank through the high-pressure hose, the emulsion pipe is arranged on the high-pressure pump, the emulsion pipe is provided with a pipe orifice I and a pipe orifice II, the high-pressure pump, an automatic welding assembly and a material changing device are electrically connected, a single chip microcomputer is arranged on the high-pressure pump, the type of the single chip microcomputer is c8051f, the high-pressure pump, the automatic welding assembly and the material changing device synchronously work through the single chip microcomputer, when a workpiece is moved to the pipe orifice of the emulsion pipe by the material changing device, the high-pressure pump starts to work under the control of the single chip microcomputer, carbonate emulsion is pumped into the emulsion pipe from the carbonate emulsion tank, and respectively coating carbonate emulsion on two sides of the weld joint position on the workpiece through a pipe orifice I and a pipe orifice II of the emulsion pipe, stopping the high-pressure pump under the control of the singlechip after the workpiece leaves the positions of the pipe orifice I and the pipe orifice II, carrying out spot welding on the position of the weld joint by the automatic welding assembly when the workpiece reaches the position below the automatic welding assembly, wherein the temperature of a molten pool can reach 2000 ℃ during welding, and under the high-temperature action of the molten pool, the carbonate around the weld joint of the workpiece can rapidly decompose CO under the action of the high temperature of the molten pool2，CO2The foaming agent is driven to generate a large amount of foam to surround the vicinity of the molten pool, on one hand, the molten pool and the air are isolated, and the molten pool is prevented from being polluted by O in the air2Oxidizing, on the other hand, absorbing strong light and dense smoke generated in welding, wherein the strong light is blocked by the foam, most energy is absorbed by the foam, and the dense smoke is expandedWhen dispersed, the solid particles are melted into the foam around the welding seam, and simultaneously, the solid particles after the decomposition of the carbonate are extruded into the foam due to the high air expansion at the temperature near the molten pool, thereby realizing the oxygen insulation and cleaning of the welding seam.
The material changing device comprises a first support shaft, a material changing table, a partition table, a variable-pitch positioning fixture, a speed change gear, an incomplete gear and a motor, wherein the first support shaft penetrates through the upper wall of the workbench, the material changing table is movably arranged on the first support shaft, the material changing table can rotate around the first support shaft under the action of external power, a through hole is formed in the material changing table, a plurality of groups of the through hole are arranged in the circumferential direction, the speed change gear is arranged on the lower surface of the material changing table, the speed change gear is movably connected with the first support shaft, the speed change gear can rotate around the first support shaft under the action of the external power, the incomplete gear is movably arranged on the lower surface of the material changing table, the incomplete gear is provided with a connecting shaft, the connecting shaft movably penetrates through the upper wall of the workbench, the workbench supports the connecting shaft, the connecting shaft supports and fixes the incomplete gear, and the incomplete gear is meshed with the speed change gear, the lower surface of the material changing table is provided with a graphite coating I, a graphite coating II and a graphite coating III, the graphite coating I, the graphite coating II and the graphite coating III are electrically connected with the single chip microcomputer, the partition table is arranged on a support shaft I, the support shaft supports and fixes the partition table, the material changing table penetrates through the partition table, the upper end of the partition table is arranged on the material changing table, the lower end of the partition table is arranged under the material changing table, the partition table is provided with a station I, a station II and a station III, the station I, the station II and the station III penetrate through the upper wall of the partition table, the station I, the station II and the station III are sequentially arranged clockwise along the circumferential direction of the partition table, the variable-pitch positioning clamp is arranged on the material changing table and matched with the through hole, the variable-pitch positioning clamp is provided with a plurality of groups along the circumferential direction, the motor is arranged on the inner upper wall of the workbench, the output end of the motor is connected with the connecting shaft, the connecting shaft and the incomplete gear are driven to rotate by the power of the motor, the incomplete gear drives the variable-speed gear and the material changing table to rotate, the incomplete gear is provided with a gear tooth, and the material changing table is driven by the motor to intermittently rotate so that a workpiece is kept in a static state during welding.
Preferably, the variable-pitch positioning fixture comprises a limiting baffle, an inner ring fixing component, an outer ring fixing component, a fixing plate, a third electric telescopic rod, a fourth electric telescopic rod and a positioning device, wherein the inner ring fixing component comprises an inner ring fixing plate, an inner ring moving plate and an inner ring electric telescopic rod, the outer ring fixing component comprises an outer ring fixing plate, an outer ring moving plate and an outer ring electric telescopic rod, the limiting baffle, the inner ring fixing plate, the fixing plate and the outer ring fixing plate are arranged on the material changing table, the fixed end of the inner ring electric telescopic rod is arranged on the inner ring fixing plate, the fixed end of the outer ring electric telescopic rod is arranged on the outer ring fixing plate, the inner ring moving plate is arranged on the movable end of the inner ring electric telescopic rod, the inner ring moving plate is movably connected with the material changing table, the inner ring moving plate is movably connected with the limiting baffle, and is driven by the inner ring electric telescopic rod, the inner ring moving plate can move along the material changing table and the limiting baffle; the outer ring movable plate is arranged at the movable end of the outer ring electric telescopic rod and is movably connected with the material changing table, the outer ring movable plate is movably connected with the limiting baffle, and the outer ring movable plate can move along the material changing table and the limiting baffle under the driving of the outer ring electric telescopic rod; the fixed end of the electric telescopic rod III is arranged on the limiting baffle, and the fixed end of the electric telescopic rod IV is arranged on the fixing plate; the positioning device comprises a second support shaft, a trigger spring, a movable positioning plate, a first electric brush and a second electric brush, wherein the second support shaft is arranged in a through hole of the material changing table, the movable positioning plate is movably arranged on the second support shaft, the movable positioning plate can rotate around the second support shaft under the action of external force, the fixed end of the trigger spring is arranged on the second support shaft, the movable end of the trigger spring is connected with the movable positioning plate, the first electric brush and the second electric brush are symmetrically arranged on the movable positioning plate, the first electric brush and the second electric brush are electrically connected with the single chip microcomputer, the first electric brush can be in contact with the first graphite coating, when the first electric brush is in contact with the first graphite coating, an electric signal is transmitted into the single chip microcomputer through the first electric brush and the first graphite coating, and an outer ring electric telescopic rod is shortened under the control of the single chip microcomputer; the electric brush II can be in contact with the graphite coating II and the graphite coating III, when the electric brush II is in contact with the graphite coating II, an electric signal is transmitted into the single chip microcomputer through the electric brush II and the graphite coating II, the inner ring electric telescopic rod is shortened under the control of the single chip microcomputer, when the electric brush II is in contact with the graphite coating III, the electric signal is transmitted into the single chip microcomputer through the electric brush II and the graphite coating III, and the electric telescopic rod III and the electric telescopic rod IV are shortened under the control of the single chip microcomputer; after a welded workpiece is moved below a subarea table through a material changing table, a first electric brush is in contact with a first graphite coating, a second electric brush is in contact with a second graphite coating and a third graphite coating, an outer ring electric telescopic rod, an inner ring electric telescopic rod, a third electric telescopic rod and a fourth electric telescopic rod are shortened under the control of a single chip microcomputer, the clamping force of a variable-pitch positioning fixture on the workpiece is reduced, a positioning plate is moved to be in contact with the lower wall of the subarea table, the positioning plate is moved under the support of the subarea table to overcome the elastic force of a trigger spring and the gravity of the workpiece to rotate around a support shaft two and jack the workpiece up, when the workpiece reaches the position of a reorientation sequencing and material taking device on a first station, the positioning plate is completely jacked up, the workpiece is completely jacked up and taken out by the reorientation and sequencing material taking device, the material changing table continuously performs intermittent circular motion under the drive of a motor, and when the reorientation and positioning fixture of the workpiece reaches a second station, at the moment, the movable positioning plate is still in a state of being completely jacked up, one side of a workpiece to be welded, which needs to be welded, is placed in close contact with the movable positioning plate, after the variable-pitch positioning fixture leaves the second station, the second electric brush is separated from the second graphite coating, the inner ring electric telescopic rod extends under the control of the single chip microcomputer, the workpiece of the inner ring is jacked on the movable positioning plate, after the variable-pitch positioning fixture reaches the third station, the second electric brush is separated from the third graphite coating, the third electric telescopic rod and the fourth electric telescopic rod extend under the control of the single chip microcomputer, the workpiece of the inner ring is fixed, after the variable-pitch positioning fixture leaves the third station, the movable positioning plate is separated from the bottom wall of the partition table, the movable positioning plate returns to the original position under the action of the elastic force of a trigger spring, meanwhile, the first electric brush is separated from the first graphite coating, the outer ring electric telescopic rod extends under the control of the single chip microcomputer, and the workpiece of the outer ring is tightly attached to the workpiece of the inner ring, the inner ring workpiece is kept still by the inner ring electric telescopic rod, the electric telescopic rod III and the electric telescopic rod IV, so that the contact position of the outer ring workpiece and the inner ring workpiece is kept unchanged at the position of a welding seam, when the variable-pitch positioning fixture leaves the position of the partition table, the outer ring workpiece and the inner ring workpiece are completely clamped, the material changing device continuously rotates under the driving of the motor, the outer ring workpiece and the inner ring workpiece are moved to the automatic welding assembly, and the automatic welding assembly welds the outer ring workpiece and the inner ring workpiece under the control of the single chip microcomputer.
The redirecting, sorting and taking device comprises a top shell, a first conveyor belt assembly, a second conveyor belt assembly, a redirecting and material separating table, a guide plate, an upper material discharging table and a lower material discharging table, wherein the top shell is arranged on a first station; after the work piece behind the weldment moved station one, limit baffle and deflector contact, under the effect of removal locating plate, the work piece is by jack-up and with the contact of conveyer belt subassembly one, conveyer belt subassembly one drives the work piece and rotates to the redirection and divides the material bench, the work piece is along redirection branch material bench lapse under the effect of conveyer belt subassembly two and gravity, under the effect of pappus brush, the work piece will slide downwards with the gesture of base perpendicular with conveyer belt subassembly two, if the focus of work piece is on last ejection of compact bench, the work piece will last the lapse, if the focus of work piece is not on last ejection of compact bench, the work piece lapse is to down on the ejection of compact bench, realize the preliminary classification to the work piece, make things convenient for workman's later stage assembly.
Preferably, the automatic welding assembly comprises a portal frame and a welding head, the portal frame is arranged on the workbench, the welding head is arranged on the portal frame, a cross rod, an electric sliding rail II and a sliding block II are arranged on the portal frame, the electric sliding rail II is arranged on the portal frame, the sliding block II is movably arranged on the electric sliding rail II and can move up and down along the electric sliding rail II under the driving of external power, the cross rod is arranged on the sliding block II and can move up and down under the driving of the sliding block II, an electric sliding rail I is arranged on the cross rod, a sliding block I is movably arranged on the electric sliding rail I and is connected with the welding head, the welding head can be driven under the driving of the external power to move horizontally along the electric sliding rail I, and the spot welding or the continuous spot welding of the welding head on a workpiece is realized.
Preferably, the workstation is equipped with damping spring, damping spring locates workstation bottom wall lower surface, reduces because the vibration that motor and high-pressure pump work brought, promotes welding precision.
And rubber coatings are arranged at the top ends of the third electric telescopic rod and the fourth electric telescopic rod and are used for increasing the friction force between the third electric telescopic rod and the fourth electric telescopic rod and a workpiece.
Wherein the carbonate emulsion is solid, the carbonate emulsion comprises carbonate and foaming agent as main ingredients, the carbonate emulsion is preferably a mixture of calcium carbonate and sodium bicarbonate, the calcium carbonate is violently decomposed at 900 deg.C, and the sodium bicarbonate is completely decomposed at 270 deg.C to generate sufficient CO2And protecting the welding seam.
The interior of the carbonate emulsion tank is coated with corrosion-resistant paint to prevent the metal tank from being electrically corroded by sodium bicarbonate solution.
Preferably, the first pipe orifice and the second pipe orifice are arranged on the partition table, when the workpiece leaves the partition table, the clamped workpiece passes through the positions right below the first pipe orifice and the second pipe orifice, and the carbonate emulsion is coated on two sides of a welding seam of the workpiece through the first pipe orifice and the second pipe orifice.
The invention adopting the structure has the following beneficial effects:
(1) by utilizing the characteristics of high temperature and short time in spot welding, the carbonate is heated to decompose and release CO2The characteristic of (A) is that the carbonate emulsion is heated to decompose CO during welding2To isolate O2Oxidizing the molten pool while combining the carbonate with the blowing agent to convert gaseous CO2 to solid CO2Foaming of CO2The foam covers around the welding seam, on one hand, the foam better covers a molten pool to isolate air, and on the other hand, the foam can also absorb strong light and dense smoke generated during welding.
(2) The intermittent rotation of the material changing device is realized by utilizing an incomplete gear structure, when a workpiece is welded, the workpiece is kept static, and a welding head only needs to move horizontally to carry out multi-point welding, so that the mechanical structure of the automatic welding device is simplified, and the maintenance is convenient.
(3) Through the variable-pitch positioning fixture, the workpiece can be automatically clamped by directly placing the workpiece into the fixture during welding, the welding seam is automatically aligned to a specified position, the welding workpiece can be automatically released after welding, the operations of clamping the fixture and releasing the fixture by workers are reduced, and the workers only need to place the workpiece into the fixture, so that the mechanical efficiency is improved.
(4) The design of the reorientation sorting material taking device realizes the automatic direction adjustment of the welded workpieces by using the characteristic of moment balance of the objects, realizes automatic preliminary classification by using the gravity center distribution of the workpieces, and simultaneously, the hairbrush can preliminarily clean the surfaces of the workpieces.
(5) Due to the design of the first electric sliding rail and the second electric sliding rail of the portal frame, the welding head can automatically leave a weldment after spot welding on one hand, and multi-point continuous spot welding can be realized on the other hand.
(6) The working table bottom plate is provided with a damping spring, so that vibration in the welding process is filtered, and the mechanical precision is improved.
Drawings
FIG. 1 is a schematic structural diagram of a variable-pitch positioning environment-friendly mechanical workpiece welding device provided by the invention;
FIG. 2 is a rear view of the variable pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention;
FIG. 3 is a cross-sectional view of a gantry of the variable pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention;
FIG. 4 is a schematic structural diagram of a refueling device of the variable-pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention;
FIG. 5 is a bottom view of a refueling device of the variable pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention;
FIG. 6 is a schematic structural diagram of a partition table of the variable-pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention;
FIG. 7 is a top view of a material changing table of the variable pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention;
FIG. 8 is a schematic structural view of a material changing table of the variable pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention;
FIG. 9 is a bottom view of the material changing table of the variable pitch positioning environment-friendly mechanical workpiece welding device provided by the invention;
FIG. 10 is a schematic structural view of a variable pitch positioning fixture of the variable pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention;
FIG. 11 is a schematic structural view of a movable positioning plate of the variable pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention;
FIG. 12 is a schematic structural view of a redirecting, sorting and reclaiming device of the variable pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention;
FIG. 13 is a schematic structural diagram of a top case of the variable pitch positioning environmental protection mechanical workpiece welding equipment provided by the invention;
fig. 14 is a schematic structural view of a redirecting and distributing table of the variable-pitch positioning environment-friendly mechanical workpiece welding device provided by the invention.
The automatic welding device comprises a working table 1, a working table 2, an automatic welding assembly 3, a material changing device 4, a reorientation sequencing material taking device 5, a carbonate coating piece 6, a motor 11, a bottom plate 12, a damping spring 21, a portal frame 22, a welding head 23, a cross rod 24, a second electric slide rail 25, a second slide block 26, a first electric slide rail 27, a first slide block 31, a first support shaft 32, a material changing table 33, a partition table 34, a variable-pitch positioning clamp 35, a speed change gear 36, an incomplete gear 37, a first graphite coating 38, a second graphite coating 39, a third graphite coating 310, a 331, a first station 332, a second station 333, a third station 341, a limit baffle, a connecting shaft, an inner ring fixing assembly 343, an outer ring fixing assembly 344, a fixing plate 342, an electric telescopic rod three, 346, a fourth electric telescopic rod 347, a positioning device 3421, a base plate 12, a damping springs, a gantry frame 21, a gantry frame 22, a welding head 23, a cross rod 24, a second electric slide rail 25, a third electric slide rail, a fourth electric slide block 26, a third graphite coating 39, a graphite coating third graphite coating, a connecting shaft, a connecting plate, a connecting shaft, a connecting plate, a connecting shaft, a connecting plate, a connecting shaft, a connecting plate, a connecting shaft, a connecting, The device comprises an inner ring fixing plate, 3422, an inner ring moving plate, 3423, an inner ring electric telescopic rod, 3431, an outer ring fixing plate, 3432, an outer ring moving plate, 3433, an outer ring electric telescopic rod, 3471, a support shaft II, 3472, a trigger spring, 3473, a movable positioning plate, 3474, a brush I, 3475, a brush II, 41, a top shell, 42, a conveyor belt component I, 43, a conveyor belt component II, 44, a redirection material distribution table, 45, a guide plate, 46, an upper material discharge table, 47, a lower material discharge table, 48, a soft brush, 51, a carbonate emulsion tank, 52, a high pressure pump, 53, an emulsion pipe, 54, a high pressure hose, 55, a pipe orifice I, 56 and a pipe orifice II.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
As shown in figures 1, 2 and 4, the variable-pitch positioning environment-friendly mechanical workpiece welding equipment provided by the invention comprises a workbench 1, an automatic welding assembly 2, a material changing device 3, a redirecting and sequencing material taking device 4 and a carbonate coating piece 5, wherein the automatic welding assembly 2 is arranged on the upper wall of the workbench 1, the material changing device 3 is arranged on the upper wall of the workbench 1, and the redirecting and sequencing material taking device 4 is arranged on the upper wall of the workbench 1The sorting and taking device 4 is arranged on the material changing device 3, the workbench 1 is provided with a bottom plate 11, the carbonate coating piece 5 is arranged on the bottom plate 11, the workbench 1 supports and fixes the automatic welding assembly 2, the material changing device 3 and the carbonate coating piece 5, and the material changing device 3 supports and fixes the heavy directional sorting and taking device 4; the carbonate coating part 5 comprises a carbonate emulsion tank 51, a high-pressure pump 52 and an emulsion pipe 53, the carbonate emulsion tank 51 is arranged on the bottom plate 11, carbonate emulsion is filled in the carbonate emulsion tank 51, the high-pressure pump 52 is arranged on the bottom plate 11, the emulsion tank and the high-pressure pump 52 are supported and fixed by the bottom plate 11, a high-pressure hose 54 is arranged on the high-pressure pump 52, the high-pressure pump 52 is connected with the carbonate emulsion tank 51 through the high-pressure hose 54, the emulsion pipe 53 is arranged on the high-pressure pump 52, the emulsion pipe 53 is provided with a first pipe orifice 55 and a second pipe orifice 56, the high-pressure pump 52, the automatic welding component 2 and the material changing device 3 are electrically connected, a single chip microcomputer with the model of c8051f is arranged on the high-pressure pump 52, the automatic welding component 2 and the material changing device 3 work synchronously through the single chip microcomputer, when the material changing device 3 moves a workpiece to the pipe orifice of the emulsion pipe 53, the high-pressure pump 52 starts to work under the control of the single chip microcomputer, pumping carbonate emulsion from a carbonate emulsion tank 51 into an emulsion pipe 53, respectively coating the carbonate emulsion on two sides of the position of a weld joint on a workpiece through a pipe orifice I55 and a pipe orifice II 56 of the emulsion pipe 53, stopping the high-pressure pump 52 under the control of a single chip microcomputer after the workpiece leaves the positions of the pipe orifice I55 and the pipe orifice II 56, carrying out spot welding on the position of the weld joint by the automatic welding assembly 2 when the workpiece reaches the position below the automatic welding assembly 2, wherein the temperature of a molten pool can reach 2000 ℃ during welding, and under the high-temperature action of the molten pool, the carbonate around the weld joint of the workpiece can be rapidly decomposed into CO2，CO2The foaming agent is driven to generate a large amount of foam to surround the vicinity of the molten pool, on one hand, the molten pool and the air are isolated, and the molten pool is prevented from being polluted by O in the air2On the other hand, strong light and dense smoke generated in welding are absorbed, the strong light is blocked by foam, most energy is absorbed by the foam, the dense smoke is fused into the foam around the welding line in diffusion, and meanwhile, due to high air expansion at the temperature near the molten pool, solid particles after decomposition of carbonate are squeezed into the foam, so that oxygen insulation and cleaning of the welding line are realized.
As shown in fig. 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 and 14, the material changing device 3 comprises a first support shaft 31, a material changing table 32, a partition table 33, a variable-pitch positioning clamp 34, a speed change gear 35, an incomplete gear 36 and a motor 6, wherein the first support shaft 31 penetrates through the upper wall of the workbench 1, the material changing table 32 is movably arranged on the first support shaft 31, the material changing table 32 can rotate around the first support shaft 31 under the action of external power, the material changing table 32 is provided with through holes, the through holes are provided with a plurality of groups along the circumferential direction, the speed change gear 35 is arranged on the lower surface of the material changing table 32, the speed change gear 35 is movably connected with the first support shaft 31, the speed change gear 35 can rotate around the first support shaft 31 under the action of external power, the incomplete gear 36 is movably arranged on the lower surface of the material changing table 32, the incomplete gear 36 is provided with a connecting shaft 310, the connecting shaft 310 is movably arranged through the upper wall of the workbench 1, the workbench 1 supports the connecting shaft 310, the connecting shaft 310 supports and fixes the incomplete gear 36, the incomplete gear 36 is meshed with the speed change gear 35, the lower surface of the material changing table 32 is provided with a graphite coating I37, a graphite coating II 38 and a graphite coating III 39, the graphite coating I37, the graphite coating II 38 and the graphite coating III 39 are electrically connected with the single chip microcomputer, the partition table 33 is arranged on a support shaft I31, the support shaft I31 supports and fixes the partition table 33, the material changing table 32 penetrates through the partition table 33, the upper end of the partition table 33 is arranged on the material changing table 32, the lower end of the partition table 33 is arranged below the material changing table 32, the partition table 33 is provided with a station I331, a station II 332 and a station III 333, the station I331, the station II 332 and the station III 333 penetrate through the upper wall of the partition table 33, the station I331, the station II 332 and the station III 333 are sequentially arranged clockwise along the circumferential direction of the partition table 33, the variable-pitch positioning fixture 34 is arranged on the material changing table 32, the variable-pitch positioning fixture 34 is matched with the through hole, a plurality of groups of variable-pitch positioning fixtures 34 are arranged along the circumferential direction, the motor 6 is arranged on the inner upper wall of the workbench 1, the output end of the motor 6 is connected with the connecting shaft 310, the connecting shaft 310 and the incomplete gear 36 are driven to rotate by the power of the motor 6, the incomplete gear 36 drives the speed change gear 35 and the material changing table 32 to rotate, the incomplete gear 36 is provided with a gear tooth, and the material changing table 32 can realize intermittent rotation under the drive of the motor 6, so that a workpiece is kept in a static state during welding.
As shown in fig. 1, fig. 2, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13 and fig. 14, the pitch-varying positioning fixture 34 includes a limiting baffle 341, an inner ring fixing component 342, an outer ring fixing component 343, a fixing plate 344, an electric telescopic rod three 345, an electric telescopic rod four 346 and a positioning device 347, the inner ring fixing component 342 includes an inner ring fixing plate 3421, an inner ring moving plate 3422 and an inner ring electric telescopic rod 3423, the outer ring fixing component 343 includes an outer ring fixing plate 3431, an outer ring moving plate 3432 and an outer ring electric telescopic rod 3433, the limiting baffle 341, the inner ring fixing plate 3421, the fixing plate 344 and the outer ring fixing plate 3431 are disposed on the material changing table 32, a fixed end of the inner ring electric telescopic rod 3423 is disposed on the inner ring fixing plate 3421, a fixed end of the electric telescopic rod 3433 is disposed on the outer ring fixing plate 3431, the inner ring moving plate 3422 is disposed on the movable end of the inner ring electric telescopic rod 3422, the inner ring moving plate 3422 is movably connected with the material changing table 32, the inner ring moving plate 3422 is movably connected with the limiting baffle 341, and the inner ring moving plate 3422 can move along the material changing table 32 and the limiting baffle 341 under the driving of the inner ring electric telescopic rod 3423; the outer ring moving plate 3432 is arranged at the movable end of the outer ring electric telescopic rod 3433, the outer ring moving plate 3432 is movably connected with the material changing table 32, the outer ring moving plate 3432 is movably connected with the limiting baffle 341, and the outer ring moving plate 3432 can move along the material changing table 32 and the limiting baffle 341 under the driving of the outer ring electric telescopic rod 3433; the fixed end of the electric telescopic rod III 345 is arranged on the limit baffle 341, and the fixed end of the electric telescopic rod IV 346 is arranged on the fixed plate 344; the positioning device 347 comprises a second support shaft 3471, a second trigger spring 3472, a second movable positioning plate 3473, a first electric brush 3474 and a second electric brush 3475, the second support shaft 3471 is arranged in a through hole of the reloading table 32, the second movable positioning plate 3473 is movably arranged on the second support shaft 3471, the second movable positioning plate 3473 can rotate around the second support shaft 3471 under the action of external force, the fixed end of the second trigger spring 3472 is arranged on the second support shaft 3471, the movable end of the second trigger spring 3472 is connected with the second movable positioning plate 3473, the first electric brush 3474 and the second electric brush 3475 are symmetrically arranged on the second movable positioning plate 3473, the first electric brush 3474 and the second electric brush 3475 are connected with the single chip microcomputer through electricity, the first electric brush 3474 can be in contact with the first graphite coating 37, when the first electric brush 3474 is in contact with the first graphite coating 37, electric signals are transmitted into the single chip microcomputer through the first electric brush 3474 and the electric telescopic rod 3433 on the outer ring can be shortened under the control of the single chip microcomputer; the second electric brush 3475 can be in contact with the second graphite coating 38 and the third graphite coating 39, when the second electric brush 3475 is in contact with the second graphite coating 38, an electric signal is transmitted into the single chip microcomputer through the second electric brush 3475 and the second graphite coating 38, the inner ring electric telescopic rod 3423 is shortened under the control of the single chip microcomputer, when the second electric brush 3475 is in contact with the third graphite coating 39, the electric signal is transmitted into the single chip microcomputer through the second electric brush 3475 and the third graphite coating 39, and the electric telescopic rod three 345 and the electric telescopic rod four 346 are shortened under the control of the single chip microcomputer; after a welded workpiece is moved to the lower part of the partition table 33 through the material changing table 32, a first electric brush 3474 is contacted with a first graphite coating 37, a second electric brush 3475 is contacted with a second graphite coating 38 and a third graphite coating 39, an outer ring electric telescopic rod 3433, an inner ring electric telescopic rod 3423, an electric telescopic rod three 345 and an electric telescopic rod four 346 are shortened under the control of a single chip microcomputer, the clamping force of the variable-pitch positioning clamp 34 on the workpiece is reduced, meanwhile, a positioning plate 3473 is moved to be contacted with the lower wall of the partition table 33, the positioning plate 3473 is moved under the support of the partition table 33 to overcome the elastic force of a trigger spring 3472 and the gravity of the workpiece to rotate around a second support shaft 3471 and jack up the workpiece, when the workpiece reaches the position of the redirecting sorting and material taking device 4 on the first station 331, the positioning plate 3473 is completely jacked up, the workpiece is completely jacked up and taken out by the redirecting and sorting material taking device 4, and the material changing table 32 continuously performs intermittent circular motion under the drive of a motor 6, when the variable-pitch positioning fixture 34 which takes out the workpieces reaches the second station 332, the movable positioning plate 3473 is still in a state of being completely jacked up, the side, needing to be welded, of the workpieces to be welded is placed to be tightly attached to the movable positioning plate 3473, when the variable-pitch positioning fixture 34 leaves the second station 332, the second electric brush 3475 is separated from contact with the second graphite coating 38, the inner ring electric telescopic rod 3423 extends under the control of the single chip microcomputer, the workpieces in the inner ring are jacked on the movable positioning plate 3473, when the variable-pitch positioning fixture 34 reaches the third station 333, the second electric brush 3475 is separated from contact with the third graphite coating 39, the third electric telescopic rod 345 and the fourth electric telescopic rod 346 extend under the control of the single chip microcomputer, the inner ring workpieces are fixed, when the variable-pitch positioning fixture 34 leaves the third station 3473 and is separated from contact with the bottom wall of the subarea table 33, the movable positioning plate 3473 is moved to restore to the original position under the elastic force of the trigger spring 3472, meanwhile, the first electric brush 3474 is separated from the first graphite coating 37, the outer ring electric telescopic rod 3433 extends under the control of the single chip microcomputer, the outer ring workpiece is tightly attached to the inner ring workpiece, the inner ring workpiece is fixed by the inner ring electric telescopic rod 3423, the electric telescopic rod three 345 and the electric telescopic rod four 346, so that the contact position of the outer ring workpiece and the inner ring workpiece is kept unchanged at the position of the welding seam, the material changing device 3 continuously rotates under the drive of the motor 6, the outer ring workpiece and the inner ring workpiece are moved to the automatic welding assembly 2, and the automatic welding assembly 2 welds the outer ring workpiece and the inner ring workpiece under the control of the single chip microcomputer.
As shown in fig. 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 and 14, the redirecting and sequencing extracting device 4 comprises a top shell 41, a first conveyor belt assembly 42, a second conveyor belt assembly 43, a redirecting and distributing table 44, a guide plate 45, an upper discharging table 46 and a lower discharging table 47, wherein the top shell 41 is arranged on a first station 331, the first conveyor belt assembly 42 and the second conveyor belt assembly 43 are arranged in the top shell 41, the top shell 41 supports and fixes the first conveyor belt assembly 42 and the second conveyor belt assembly 43, the first conveyor belt assembly 42 and the second conveyor belt assembly 43 are in the prior art, the redirecting and distributing table 44, the upper discharging table 46 and the lower discharging table 47 are arranged on a bottom plate 11 of the top shell 41, the bottom plate 11 of the top shell 41 supports and fixes the redirecting and distributing table 44, the upper discharging table 46 and the lower discharging table 47, the guide plate 45 is arranged on the redirecting and distributing table 44, the first conveyor belt assembly 42 and the second conveyor belt assembly 43 rotate through an external driving device, the top shell 41 is internally provided with a soft hair brush 48, and the soft hair brush 48 is provided with a plurality of groups; after the workpiece after being welded moves to the first station 331, the limit baffle 341 is in contact with the guide plate 45, under the action of the movable positioning plate 3473, the workpiece is jacked up and is in contact with the first conveyor belt component 42, the first conveyor belt component 42 drives the workpiece to rotate to the reorientation material distribution table 44, the workpiece slides downwards along the reorientation material distribution table 44 under the action of the second conveyor belt component 43 and gravity, under the action of the soft brush 48, the workpiece slides downwards in a posture that the bottom edge is vertical to the second conveyor belt component 43, if the gravity center of the workpiece is on the upper discharge table 46, the workpiece continuously slides downwards, if the gravity center of the workpiece is not on the upper discharge table 46, the workpiece slides downwards to the lower discharge table 47, the primary classification of the workpiece is realized, and the assembly of workers at the later stage is facilitated.
As shown in fig. 1, 2 and 3, the automatic welding assembly 2 includes a gantry 21 and a welding head 22, the gantry 21 is disposed on the worktable 1, the welding head 22 is disposed on the gantry 21, the gantry 21 is provided with a cross bar 23, a second electric slide rail 24 and a second slider 25, the second electric slide rail 24 is disposed on the gantry 21, the second slider 25 is movably disposed on the second electric slide rail 24 and can move up and down along the second electric slide rail 24 under the driving of external power, the cross bar 23 is disposed on the second slider 25, the cross bar 23 moves up and down under the driving of the second slider 25, the first electric slide rail 26 is disposed on the cross bar 23, the first slider 27 is movably disposed on the first electric slide rail 26, the first slider 27 is connected with the welding head 22, and can drive the welding head 22 to move horizontally along the first electric slide rail 26 under the driving of the external power, so as to implement spot welding or continuous spot welding of the welding head 22 on a workpiece.
As shown in fig. 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 and 14, the table 1 is provided with a damping spring 12, the damping spring 12 is provided on the lower surface of the bottom wall of the table 1 to reduce vibration caused by the operation of the motor 6 and the high pressure pump 52 and improve welding accuracy, the top ends of the three electric telescopic rods 345 and 346 are provided with rubber coatings to increase friction between the three electric telescopic rods 345 and 346 and the workpiece, the carbonate emulsion is in a solid state, the carbonate emulsion mainly comprises carbonate and a foaming agent, the carbonate emulsion is preferably a mixed solution of calcium carbonate and sodium bicarbonate, the calcium carbonate is violently decomposed at 900 ℃, the sodium bicarbonate is completely decomposed at 270 ℃, and sufficient CO can be generated2The weld joint is protected, and the interior of the carbonate emulsion tank 51 is coated with corrosion-resistant paint to prevent the sodium bicarbonate solution from electrically corroding the metal tank.
When the device is used specifically, after the state of the device is checked to be normal, a worker firstly puts a workpiece into the variable-pitch positioning fixture 34 in the second station 332, then starts the switch of the motor 6, the movable positioning plate 3473 below the second station 332 is in a state of being completely jacked up, the side, needing to be welded, of the workpiece to be welded is placed in close contact with the movable positioning plate 3473, then the worker continuously puts the workpiece into the variable-pitch positioning fixture 34 in the second station 332, after the workpiece to be welded leaves the second station 332, the second brush 3475 is separated from contact with the second graphite coating 38, the inner-ring electric telescopic rod 3423 extends under the control of the single chip microcomputer, the workpiece in the inner ring is jacked on the movable positioning plate 3473, after the workpiece to be welded reaches the third station 333, the second brush 3475 is separated from contact with the third graphite coating 39, the third electric telescopic rod 345 and the fourth electric telescopic rod 346 extend under the control of the single chip microcomputer, and the inner-ring workpiece is fixed, when the workpiece to be welded leaves the third station 333, a switch of the high-pressure pump 52 is started, the movable positioning plate 3473 is separated from the bottom wall of the partition table 33, the movable positioning plate 3473 is restored to the original position under the action of the elastic force of the trigger spring 3472, the electric brush I3474 is separated from the contact with the graphite coating I37, the outer ring electric telescopic rod 3433 is extended under the control of the single chip microcomputer to tightly attach the outer ring workpiece to the inner ring workpiece, the fixed positions of the inner ring workpiece, the electric telescopic rod 3423, the electric telescopic rod III 345 and the electric telescopic rod IV 346 are kept still, so that the contact position of the outer ring workpiece and the inner ring workpiece is kept unchanged at the position of the welding seam, when the workpiece to be welded leaves the position of the partition table 33, the outer ring workpiece and the inner ring workpiece are completely clamped, the high-pressure pump 52 starts to work under the control of the single chip microcomputer, carbonate emulsion is coated on two sides of the welding seam position on the workpiece through the first pipe orifice 55 and the second pipe orifice 56, when a workpiece leaves the position of the first pipe orifice 55 and the second pipe orifice 56, the high-pressure pump 52 stops working under the control of the single chip microcomputer, the material changing device 3 continuously rotates under the driving of the motor 6, when the workpiece to be welded moves to the position below the automatic welding assembly 2, the first slide block 27 drives the welding head 22 to move left and right along the first electric slide rail 26, the second slide block 25 drives the welding head 22 to move downwards along the second electric slide rail 24, spot welding or continuous spot welding is started when the welding head 22 reaches the designated position of the workpiece to be welded, the second slide block 25 drives the welding head 22 to move upwards along the second electric slide rail 24 after welding is finished, the workpiece to be welded continuously rotates under the driving of the motor 6, after the workpiece to be welded moves to the position below the subarea table 33 through the material changing table 32, the first electric brush 3474 contacts the first graphite coating 37, the second brush 3475 contacts the second graphite coating 38 and the third graphite coating 39, and the outer ring electric telescopic rod 33, The inner ring electric telescopic rod 3423, the electric telescopic rod three 345 and the electric telescopic rod four 346 are shortened under the control of the single chip microcomputer, the clamping force of the variable-pitch positioning clamp 34 on the workpiece is reduced, meanwhile, the positioning plate 3473 is moved to be contacted with the lower wall of the partition table 33, the positioning plate 3473 is moved to rotate around the second support shaft 3471 and jack up the workpiece under the support of the partition table 33 against the elastic force of the trigger spring 3472 and the gravity of the workpiece, after the workpiece reaches the position of the reorientation sorting and taking device 4 on the first station 331, the positioning plate 3473 is moved to be completely jacked up, the workpiece is completely jacked up and contacted with the first conveyor belt assembly 42, the first conveyor belt assembly 42 drives the workpiece to rotate to the reorientation sorting table 44, the workpiece slides downwards along the reorientation sorting table 44 under the action of the second conveyor belt assembly 43 and the gravity, and slides downwards with the bottom edge vertical to the posture of the second conveyor belt assembly 43 under the action of the soft brush 48, if the focus of work piece on last ejection of compact platform 46, the work piece will last the lapse, if the focus of work piece is not on last ejection of compact platform 46, the work piece is to the lapse to down ejection of compact platform 47, realizes the preliminary classification to the work piece, makes things convenient for later stage workman to assemble.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. Variable pitch location environmental protection mechanical workpiece welding equipment, its characterized in that: the automatic welding device comprises a workbench, an automatic welding assembly, a material changing device, a redirecting and sequencing material taking device and a carbonate coating piece, wherein the automatic welding assembly is arranged on the upper wall of the workbench, the material changing device is arranged on the upper wall of the workbench, the redirecting and sequencing material taking device is arranged on the material changing device, a bottom plate is arranged on the workbench, the carbonate coating piece is arranged on the bottom plate and comprises a carbonate emulsion tank, a high-pressure pump and an emulsion pipe, the carbonate emulsion tank is arranged on the bottom plate, carbonate emulsion is filled in the carbonate emulsion tank, the high-pressure pump is arranged on the bottom plate, a high-pressure hose is arranged on the high-pressure pump, the high-pressure pump is connected with the carbonate emulsion tank through the high-pressure hose, the emulsion pipe is arranged on the high-pressure pump, the emulsion pipe is provided with a pipe orifice I and a pipe orifice II, and the high-pressure pump, the automatic welding assembly and the material changing device are connected through electricity, and the high-pressure pump is provided with a singlechip.
2. The variable pitch positioning environment-friendly mechanical workpiece welding equipment as claimed in claim 1, wherein: the material changing device comprises a first support shaft, a material changing table, a partition table, a variable-pitch positioning fixture, a speed change gear, an incomplete gear and a motor, wherein the first support shaft penetrates through the upper wall of the workbench, the material changing table is movably arranged on the first support shaft, a through hole is formed in the material changing table, the speed change gear is arranged on the lower surface of the material changing table, the speed change gear is movably connected with the first support shaft, the incomplete gear is movably arranged on the lower surface of the material changing table, the incomplete gear is provided with a connecting shaft, the connecting shaft movably penetrates through the upper wall of the workbench, the incomplete gear and the speed change gear are meshed with each other, the lower surface of the material changing table is provided with a first graphite coating, a second graphite coating and a third graphite coating, the first graphite coating, the second graphite coating and the third graphite coating are electrically connected with each other, the partition table is arranged on the first support shaft, the material changing table penetrates through the partition table, the subregion platform is equipped with station one, station two and station three, station one, station two and station three run through subregion bench wall setting, station one, station two and station three are arranged along subregion platform circumferencial direction clockwise in proper order, the displacement positioning fixture is located and is traded the material bench, displacement positioning fixture matches the setting with the through hole, the motor is located in the workstation on the upper wall, the output and the connecting axle of motor link to each other, incomplete gear is equipped with a teeth of a cogwheel.
3. The variable pitch positioning environment-friendly mechanical workpiece welding equipment as claimed in claim 2, wherein: the variable-pitch positioning fixture comprises a limiting baffle, an inner ring fixing assembly, an outer ring fixing assembly, a fixing plate, an electric telescopic rod III, an electric telescopic rod IV and a positioning device, wherein the inner ring fixing assembly comprises an inner ring fixing plate, an inner ring moving plate and an inner ring electric telescopic rod, the outer ring fixing assembly comprises an outer ring fixing plate, an outer ring moving plate and an outer ring electric telescopic rod, the limiting baffle, the inner ring fixing plate, the fixing plate and the outer ring fixing plate are arranged on a material changing table, the fixed end of the inner ring electric telescopic rod is arranged on the inner ring fixing plate, the fixed end of the outer ring electric telescopic rod is arranged on the outer ring fixing plate, the inner ring moving plate is arranged on the movable end of the inner ring electric telescopic rod, the inner ring moving plate is movably connected with a material changing table, the inner ring moving plate is movably connected with the limiting baffle, the outer ring moving plate is arranged on the movable end of the outer ring electric telescopic rod, the outer ring moving plate is movably connected with the material changing table, the outer ring moving plate is movably connected with the limiting baffle, the fixed end of the electric telescopic rod III is arranged on the limiting baffle, and the fixed end of the electric telescopic rod IV is arranged on the fixed plate; positioner includes back shaft two, trigger spring, removal locating plate, brush one and brush two, back shaft two is located in the through hole of reloading platform, it locates on the back shaft two to remove the locating plate activity, the stiff end of trigger spring is located on the back shaft two, the expansion end of trigger spring links to each other with the removal locating plate, brush one and brush two are symmetrical to be located on the removal locating plate, brush one and brush two and singlechip pass through the electricity and link to each other.
4. The variable pitch positioning environment-friendly mechanical workpiece welding equipment as claimed in claim 3, wherein: reorientation sequencing extracting device includes top shell, conveyor belt subassembly one, conveyor belt subassembly two, reorientation branch material platform, deflector, goes up ejection of compact platform and ejection of compact platform down, the station is located on one to the top shell, conveyor belt subassembly one and conveyor belt subassembly two are located in the top shell, reorientation branch material platform, go up ejection of compact platform and ejection of compact platform down are located on the top shell bottom plate, the deflector is located reorientation branch material bench, be equipped with the pappus brush in the top shell, the pappus brush is equipped with a plurality of groups.
5. The variable pitch positioning environment-friendly mechanical workpiece welding equipment as claimed in claim 4, wherein: the automatic welding assembly comprises a portal frame and a welding head, the portal frame is arranged on the workbench, the welding head is arranged on the portal frame, a cross rod, an electric slide rail II and a slide block II are arranged on the portal frame, the electric slide rail II is arranged on the portal frame, the slide block II is movably arranged on the electric slide rail II, the cross rod is arranged on the slide block II, an electric slide rail I is arranged on the cross rod, a slide block I is movably arranged on the electric slide rail I, and the slide block I is connected with the welding head.
6. The variable pitch positioning environment-friendly mechanical workpiece welding equipment as claimed in claim 5, wherein: the workstation is equipped with damping spring, damping spring locates workstation bottom wall lower surface.
7. The variable pitch positioning environment-friendly mechanical workpiece welding equipment as claimed in claim 6, wherein: and rubber coatings are arranged at the third electric telescopic rod and the fourth electric telescopic rod.
8. The variable pitch positioning environment-friendly mechanical workpiece welding equipment as claimed in claim 7, wherein: the carbonate emulsion is in a solid state.
9. The variable pitch positioning environment-friendly mechanical workpiece welding equipment as claimed in claim 8, wherein: and the interior of the carbonate emulsion tank is coated with a corrosion-resistant coating.
10. The variable pitch positioning environment-friendly mechanical workpiece welding equipment as claimed in claim 9, wherein: the first pipe orifice and the second pipe orifice are arranged on the partition table.
CN202210714358.5A 2022-06-23 2022-06-23 Variable-pitch positioning environment-friendly mechanical workpiece welding equipment Pending CN114769793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210714358.5A CN114769793A (en) 2022-06-23 2022-06-23 Variable-pitch positioning environment-friendly mechanical workpiece welding equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210714358.5A CN114769793A (en) 2022-06-23 2022-06-23 Variable-pitch positioning environment-friendly mechanical workpiece welding equipment

Publications (1)

Publication Number Publication Date
CN114769793A true CN114769793A (en) 2022-07-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210714358.5A Pending CN114769793A (en) 2022-06-23 2022-06-23 Variable-pitch positioning environment-friendly mechanical workpiece welding equipment

Country Status (1)

Country Link
CN (1) CN114769793A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109304564A (en) * 2018-11-16 2019-02-05 盐城克莱斯电子有限公司 Welding equipment is used in a kind of machining
CN212420024U (en) * 2019-12-17 2021-01-29 托塔物联科技(常州)有限公司 Automatic welding equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109304564A (en) * 2018-11-16 2019-02-05 盐城克莱斯电子有限公司 Welding equipment is used in a kind of machining
CN212420024U (en) * 2019-12-17 2021-01-29 托塔物联科技(常州)有限公司 Automatic welding equipment

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Application publication date: 20220722

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