Air pressure rod outer pipe end seal welding device

Abstract

The utility model relates to an air pressure bar outer pipe end seal welding device which comprises a machine frame, a feeding mechanism, a laser welding gun mechanism and a discharging conveying belt are sequentially arranged on the machine frame, transfer mechanical arms are arranged at the front end of the feeding mechanism, the front end of the laser welding gun mechanism and the front end of the discharging conveying belt, and an ejection rotating mechanism is arranged below the laser welding gun mechanism. According to the utility model, the transfer manipulator conveys the outer tube of the air pressure rod of the feeding mechanism to the ejection rotating mechanism, the ejection rotating mechanism is matched with the laser welding gun mechanism to weld the outer tube of the air pressure rod and the sealing ring of the outer tube, and finally, the transfer manipulator conveys the welded outer tube of the air pressure rod to the discharging conveying belt for discharging, so that the manual operation is replaced; the labor cost is saved; and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of gas pressure rod outer tube end seal welding device, belong to gas pressure rod processing equipment technical field. BACKGROUND

[0002] Gas pressure rod mainly utilizes the variable state generated in the compression process of gas in cylinder pipe, and can be widely applied in appliances requiring height adjustment. Gas pressure rod is mainly composed of hollow outer tube, piston and piston rod. When the hollow outer tube of gas pressure rod is processed, a sealing ring needs to be welded at the port of one end thereof. There is no welding equipment specifically for the outer tube of gas pressure rod and its sealing ring on the market at present. The traditional method is to manually hold a welding gun to weld the connection between the inner wall of the outer tube of gas pressure rod and the sealing ring, which not only has high labor cost but also low work efficiency.

[0003] Therefore, it is the research purpose of the utility model to provide a gas pressure rod outer tube end seal welding device. SUMMARY

[0004] In view of the above technical problems, the utility model provides a gas pressure rod outer tube end seal welding device. The outer tube of gas pressure rod is conveyed to the ejection rotating mechanism by the transfer manipulator of the feeding mechanism. The outer tube of gas pressure rod and its sealing ring are welded by the cooperation of the ejection rotating mechanism and the laser welding gun mechanism. Finally, the welded outer tube of gas pressure rod is conveyed to the discharge conveyor belt by the transfer manipulator.

[0005] To solve the problems in the prior art, the utility model adopts the following technical scheme:

[0006] A gas pressure rod outer tube end seal welding device comprises a rack, a feeding mechanism, a laser welding gun mechanism and a discharge conveyor belt are sequentially arranged on the rack, a transfer manipulator is arranged at the front end of the feeding mechanism, the laser welding gun mechanism and the discharge conveyor belt, and an ejection rotating mechanism is arranged below the laser welding gun mechanism.

[0007] Further, the feeding mechanism comprises a feeding conveyor belt. A discharge port and a sealing ring detection mechanism are arranged at one end of the feeding conveyor belt close to the laser welding gun mechanism. A lifting mechanism is arranged between the discharge port and the transfer manipulator.

[0008] Further, the sealing ring detection mechanism is liftably arranged at one end of the feeding conveyor belt through a lead screw module. The sealing ring detection mechanism comprises a detection cylinder, a mounting plate, a detection rod and a proximity switch. The mounting plate is connected to the bottom end of the piston rod of the detection cylinder. The detection rod is liftably arranged on the mounting plate through a linear bearing. A spring is sleeved around the outer periphery of the detection rod. The proximity switch is arranged on the mounting plate and above the rear end of the detection rod.

[0009] Further, the lifting mechanism comprises a lifting base and a lifting cylinder for driving the lifting base to lift, the inner side of the lifting base is provided with two groups of material receiving plates through guide rods and linear bearings, the outer side of one group of the material receiving plates is connected with an adjusting cylinder for driving the movement thereof, and the top of the two groups of the material receiving plates is fixedly provided with magnets.

[0010] Further, the discharge port is provided with a pushing mechanism away from the side of the transfer manipulator, and the pushing mechanism is used for pushing the outer tube of the air pressure rod from the feeding conveying belt to the lifting mechanism.

[0011] Further, the pushing mechanism comprises a pushing base, a pushing plate and a pushing cylinder, the pushing plate is movably arranged on the pushing base through guide rods and linear bearings, and the pushing cylinder is fixedly installed on the pushing base, with the piston rod end thereof being connected with the pushing plate.

[0012] Further, the laser welding gun mechanism comprises a welding gun base, two groups of laser welding gun assemblies are arranged on the top of the welding gun base at both sides, and a welding wire disc is arranged at the rear; the two groups of laser welding gun assemblies are respectively arranged above the welding gun base through a servo module, and each group of the laser welding gun assemblies is matched with a wire feeder.

[0013] Further, the material pushing rotating mechanism comprises a material pushing frame, a ball screw, a lifting motor, an inner support sleeve and a rotating motor, the material pushing frame is arranged at the bottom of the welding gun base, a lifting base is arranged at the front end of the material pushing frame through a sliding rail block, the ball screw is vertically arranged at the inner side of the material pushing frame and connected with the lifting base through a connecting plate, the lifting motor is fixedly arranged at the bottom end face of the top of the material pushing frame, the motor shaft thereof is in transmission connection with the ball screw, the inner support sleeve is rotatably arranged on the lifting base through a bearing seat, the top end thereof can extend upward through the top of the material pushing frame, the bottom end is connected with a material pushing cylinder through a shaft coupling, and the rotating motor is fixedly arranged on the lifting base and in transmission connection with the inner support sleeve through synchronous pulleys.

[0014] Further, the transfer manipulator comprises a guide rail, a rack, a transfer base, a transfer motor and two groups of material clamping assemblies, the guide rail and the rack are arranged on the top of the frame along the length direction of the frame, the transfer base is arranged on the guide rail through a sliding block, the transfer motor is arranged at the middle part of the transfer base in an inverted manner, the motor shaft thereof is in transmission connection with the rack through a gear, and the two groups of material clamping assemblies are respectively arranged at both ends of the transfer base.

[0015] Further, each group of the material clamping assembly comprises a material clamping base and two groups of material clamping cylinders, the material clamping base is arranged on the transfer base through a sliding rail sliding block, and a material clamping moving cylinder for driving the material clamping base to move forward or backward is arranged on the top of the material clamping base; two groups of the material clamping cylinders are arranged at two ends of the material clamping base respectively, and a clamping jaw is arranged at the output end of each group of the material clamping cylinders.

[0016] The beneficial effects of the utility model are that the transfer manipulator transports the gas pressure rod outer tube of the feeding mechanism to the material lifting rotating mechanism, the gas pressure rod outer tube and the sealing ring are welded through cooperation of the material lifting rotating mechanism and the laser welding gun mechanism, and finally the transfer manipulator transports the welded gas pressure rod outer tube to the discharging conveying belt to discharge, which replaces manual operation, saves labor cost and improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model.

[0018] Figure 2 It is the structural schematic diagram of the feeding mechanism of the utility model.

[0019] Figure 3 It is the partial structural drawing of the feeding mechanism of the utility model.

[0020] Figure 4 It is the structural schematic diagram of the sealing ring detection mechanism of the utility model.

[0021] Figure 5 It is the structural schematic diagram of the lifting mechanism of the utility model.

[0022] Figure 6 It is the structural schematic diagram of the material pushing mechanism of the utility model.

[0023] Figure 7 It is the structural schematic diagram of the laser welding gun mechanism of the utility model.

[0024] Figure 8 It is the structural schematic diagram of the material lifting rotating mechanism of the utility model.

[0025] Figure 9 It is the partial structural drawing of the material lifting rotating mechanism of the utility model.

[0026] Figure 10 It is the structural schematic diagram of the transfer manipulator of the utility model.

[0027] Figure 11 It is the structural schematic diagram of the material clamping assembly of the utility model.

[0028] The components include: 1. Frame; 2. Feeding mechanism; 3. Laser welding gun mechanism; 4. Discharge conveyor belt; 5. Transfer robot; 6. Top material rotation mechanism; 7. Feeding conveyor belt; 8. Discharge port; 9. Sealing ring detection mechanism; 10. Lifting mechanism; 11. Detection cylinder; 22. Mounting plate; 23. Detection rod; 224. Proximity switch; 231. Lifting base; 232. Lifting cylinder; 233. Receiving plate; 234. Adjusting cylinder; 235. Magnet; 24. Pushing mechanism; 241. Pushing base. 242. Pusher plate, 243. Pusher cylinder, 31. Welding gun base, 32. Laser welding gun assembly, 33. Welding wire spool, 34. Wire feeder, 61. Top material frame, 62. Ball screw, 63. Lifting motor, 64. Inner support sleeve, 65. Rotary motor, 66. Lifting base, 67. Top material cylinder, 51. Guide rail, 52. Rack, 53. Transfer base, 54. Transfer motor, 55. Clamping assembly, 551. Clamping base, 552. Clamping cylinder, 553. Clamping moving cylinder, 554. Gripper. Detailed Implementation

[0029] To enable those skilled in the art to better understand the technical solution of this utility model, the following description is provided in conjunction with the appendix. Figures 1-11 Further analysis of this utility model is then conducted.

[0030] like Figures 1-11 As shown, a gas pressure rod outer tube end sealing welding device includes a frame 1. The frame 1 is sequentially provided with a feeding mechanism 2, a laser welding gun mechanism 3 and a discharge conveyor belt 4. The front end of the feeding mechanism 2, the laser welding gun mechanism 3 and the discharge conveyor belt 4 is provided with a transfer manipulator 5. The bottom of the laser welding gun mechanism 3 is provided with a top material rotation mechanism 6.

[0031] In this embodiment, preferably, the feeding mechanism 2 includes a feeding conveyor belt 21, and the feeding conveyor belt 21 is provided with a discharge port 211 and a sealing ring detection mechanism 22 at one end near the laser welding gun mechanism 3. A lifting mechanism 23 is provided between the discharge port 211 and the transfer robot 5.

[0032] In this embodiment, preferably, the sealing ring detection mechanism 22 is movably arranged at one end of the feeding conveyor belt 21 by a lead screw module, and comprises a detection cylinder 221, a mounting plate 222, a detection rod 223 and a proximity switch 224. The mounting plate 222 is connected to the bottom end of the piston rod of the detection cylinder 221, and the detection rod 223 is movably arranged on the mounting plate 222 by a linear bearing, with a spring sleeved on the outer periphery of the detection rod 223. The proximity switch 224 is arranged on the mounting plate 222 and above the rear end of the detection rod 223. The detection cylinder 221 drives the detection rod 223 to descend and insert into the port of the air pressure rod outer tube to detect whether the sealing ring is assembled. When the port of the air pressure rod outer tube is assembled with the sealing ring, the detection rod 223 is lifted by the reverse force and triggers the proximity switch 224. After the detection is completed, the detection rod 223 is reset by the elastic force of the spring. When the port of the air pressure rod outer tube is not assembled with the sealing ring, the detection rod 223 is not lifted by the reverse force, so it does not trigger the proximity switch 224.

[0033] In this embodiment, preferably, the lifting mechanism 23 comprises a lifting base 231 and a lifting cylinder 232 for driving the lifting base 231 to move up and down. The inner side of the lifting base 231 is provided with two groups of material receiving plates 233 by guide rods and linear bearings. The outer side of one group of the material receiving plates 233 is connected with an adjusting cylinder 234 for driving the movement thereof. The top of the two groups of the material receiving plates 233 is fixedly provided with magnets 235.

[0034] In this embodiment, preferably, the discharge port 211 of the feeding conveyor belt 21 is provided with a pushing mechanism 24 away from one side of the transfer robot 5. The pushing mechanism 24 is used for pushing the air pressure rod outer tube from the feeding conveyor belt 21 to the lifting mechanism 23.

[0035] In this embodiment, preferably, the pushing mechanism 24 comprises a pushing base 241, a pushing plate 242 and a pushing cylinder 243. The pushing plate 242 is movably arranged on the pushing base 241 by guide rods and linear bearings. The pushing cylinder 243 is fixedly installed on the pushing base 241, with the piston rod thereof connected with the pushing plate 242. When the air pressure rod outer tube is conveyed to the discharge port 211 of the feeding conveyor belt 21, the pushing cylinder 243 drives the pushing plate 242 to move and push the two groups of air pressure rod outer tubes to the material receiving plates 233 of the lifting mechanism 23. Then, the adjusting cylinder 234 is used to pull apart the distance between the two groups of air pressure rod outer tubes, so as to correspond to the positions of the two groups of clamping cylinders 552 of the transfer robot 5.

[0036] In the embodiment, preferably, the laser welding gun mechanism 3 comprises a welding gun base 31, two groups of laser welding gun assemblies 32 are arranged on the top of the welding gun base 31, and a welding wire reel 33 is arranged at the rear of the welding gun base 31; the two groups of laser welding gun assemblies 32 are respectively arranged above the welding gun base 31 in a lifting manner through a servo module, and each group of the laser welding gun assemblies 32 is matched with a group of wire feeders 34; the welding wire is fed to the laser welding gun assembly 32 through the wire feeder 34 after being discharged from the welding wire reel 33.

[0037] In the embodiment, preferably, the material ejection rotating mechanism 6 comprises a material ejection rack 61, a ball screw 62, a lifting motor 63, an inner support sleeve 64 and a rotating motor 65; the material ejection rack 61 is arranged at the bottom of the welding gun base 31, a lifting base 66 is arranged at the front end of the material ejection rack 61 through a sliding rail sliding block, the ball screw 62 is vertically arranged on the inner side of the material ejection rack 61 and connected with the lifting base 66 through a connecting plate, the lifting motor 63 is fixedly arranged at the bottom end face of the top of the material ejection rack 61, the motor shaft of the lifting motor 63 is in transmission connection with the ball screw 62, the inner support sleeve 64 is rotatably arranged on the lifting base 66 through a bearing seat, the top end of the inner support sleeve 64 can extend upward through the top of the material ejection rack 61, the bottom end of the inner support sleeve 64 is connected with a material ejection cylinder 67 through a shaft coupling, and the rotating motor 65 is fixedly arranged on the lifting base 66 and in transmission connection with the inner support sleeve 64 through synchronous pulleys.

[0038] In the embodiment, preferably, the transfer manipulator 5 comprises a guide rail 51, a rack 52, a transfer base 53, a transfer motor 54 and two groups of material clamping assemblies 55; the guide rail 51 and the rack 52 are arranged on the top of the rack 1 along the length direction of the rack 1, the transfer base 53 is arranged on the guide rail 51 through a sliding block, the transfer motor 54 is arranged at the middle part of the transfer base 53 in an inverted manner, the motor shaft of the transfer motor 54 is in transmission connection with the rack 52 through a gear, and the two groups of material clamping assemblies 55 are respectively arranged at the two ends of the transfer base 53.

[0039] In the embodiment, preferably, each group of the material clamping assembly 55 comprises a material clamping base 551 and two groups of material clamping cylinders 552; the material clamping base 551 is arranged on the transfer base 53 through a sliding rail sliding block, a material clamping moving cylinder 553 is arranged on the top of the material clamping base 551 to drive the material clamping base 551 to move forward or backward, and the two groups of material clamping cylinders 552 are respectively arranged at the two ends of the material clamping base 551; and a clamping jaw 554 is arranged at the output end of each group of the material clamping cylinder 552.

[0040] The specific working principle of the utility model discloses: the air pressure stick outer tube of assembling good sealing ring is placed on the feeding conveyor belt 21, and the limiting plate can be set on the feeding conveyor belt 21 and the two sides of outer tube according to actual needs in this process to prevent it from toppling, when the feeding conveyor belt 21 transports outer tube to the position of discharge port 211, the detection stick 223 is inserted into the port of air pressure stick outer tube by the detection cylinder 221 drive, at this moment, if the port of air pressure stick outer tube is assembled with sealing ring, the detection stick 223 is lifted by reverse force, triggers the detection end of proximity switch 224, and the signal is transmitted to the numerical control system of air pressure stick outer tube end sealing welding machine, and laser welding gun mechanism 3 normally works, and laser welding is carried out on the connecting place between the inner wall of air pressure stick outer tube and sealing ring, if the port of air pressure stick outer tube is not assembled with sealing ring, when the detection stick 223 is inserted into the port of air pressure stick outer tube by the detection cylinder 221 drive, the detection stick 223 is not hindered by sealing ring, so the detection stick 223 is not lifted by reverse force, and therefore proximity switch 224 is not triggered, and the signal is not transmitted to the numerical control system of air pressure stick outer tube end sealing welding machine, and laser welding gun mechanism 3 does not work and alarms to remind staff to supplement sealing pad, after detection, the two groups of outer tubes that reach the position of discharge port 211 first are pushed to the receiving plate 233 by the pushing plate 242, at this moment, the receiving plate 233, transition plate 235 and discharge port 211 are levelled, and the air pressure stick outer tube is fixed by magnet 236, then the adjusting cylinder 234 pulls one group of receiving plate 233 to move, so that the two groups of receiving plate 233 are separated by a distance, and correspond to the position of two groups of clamping cylinder 552 of transfer manipulator 5, then the lifting cylinder 232 drives lifting base 231 to lift, so that the air pressure stick outer tube on receiving plate 233 is lifted to the front end of clamping cylinder 552, clamping moving cylinder 553 drives clamping cylinder 552 to advance and align air pressure stick outer tube, clamping jaw 554 closes and clamps outer tube, and under the drive of transfer motor 53, air pressure stick outer tube is transferred to the top of inner support sleeve pipe 64 of top material rotating mechanism 60, clamping jaw 554 releases air pressure stick outer tube and moves to reset, and is ready for clamping and transferring the next two groups of air pressure stick outer tubes, top material cylinder 67 drives inner support sleeve pipe 64 to ascend and insert into the bottom end of air pressure stick outer tube, and supports and holds air pressure stick outer tube, under the drive of rotating motor 65, inner support sleeve pipe 64 drives air pressure stick outer tube to rotate, at the same time, servo module of laser welding gun mechanism 3 drives laser welding gun assembly 32 to descend, and air pressure stick outer tube and sealing ring are welded, and the welded air pressure stick outer tube is clamped by another group of clamping assembly 55 and is transferred to discharge conveyor belt 4 to discharge.

[0041] The technical solutions provided by the present application are described in detail above, the principles and implementation manners of the present application are described by using the examples, the above example descriptions are only used to help understand the method of the present application and the core idea thereof; meanwhile, for the general technical personnel in the art, the specific implementation manners and application ranges can be changed according to the idea of the present application, and the above description should not be understood as the limitation of the present application.

Claims

1. A gas pressure bar outer tube end seal welding apparatus characterized by: The machine frame is sequentially provided with a feeding mechanism, a laser welding gun mechanism and a discharging conveyor belt, the front end of the feeding mechanism, the laser welding gun mechanism and the discharging conveyor belt is provided with a transfer manipulator, and the lower side of the laser welding gun mechanism is provided with a material lifting rotating mechanism.

2. A device for sealing the end of an outer tube of a gas pressure wand according to claim 1, characterized in that: The feeding mechanism comprises a feeding conveyor belt, one end of the feeding conveyor belt close to the laser welding gun mechanism is provided with a discharging port and a sealing ring detection mechanism, and the discharging port is provided with a lifting mechanism between the discharging port and the transfer manipulator.

3. A device for sealing the end of an outer tube of a gas pressure pen as defined in claim 1, wherein: The sealing ring detection mechanism is vertically arranged on one end of the feeding conveyor belt through a screw module, the sealing ring detection mechanism comprises a detection cylinder, a mounting plate, a detection rod and a proximity switch, the mounting plate is connected to the bottom end of the piston rod of the detection cylinder, the detection rod is vertically arranged on the mounting plate through a linear bearing, a spring is sleeved on the outer periphery of the detection rod, and the proximity switch is arranged on the mounting plate and above the rear end of the detection rod.

4. A device for sealing the end of an outer tube of an air pressure bar according to claim 2, characterized in that: The lifting mechanism comprises a lifting base and a lifting cylinder for driving the lifting base to lift, the inner side of the lifting base is provided with two groups of material receiving plates through guide rods and linear bearings, one group of the material receiving plates is connected with an adjusting cylinder for driving the material receiving plates to move, and the top of the two groups of material receiving plates is fixedly provided with a magnet.

5. A pressurized bar outer tube end sealing and welding apparatus according to claim 2, characterized in that: The side of the discharging port away from the transfer manipulator is provided with a material pushing mechanism, and the material pushing mechanism is used for pushing the outer tube of the air pressure rod from the feeding conveyor belt to the lifting mechanism.

6. A device for sealing the end of an outer tube of a gas pressure wand according to claim 5, characterized in that: The material pushing mechanism comprises a pushing base, a pushing plate and a pushing cylinder, the pushing plate is movably arranged on the pushing base through a guide rod and a linear bearing, and the pushing cylinder is fixedly arranged on the pushing base, and the piston rod of the pushing cylinder is connected with the pushing plate.

7. A device for sealing the end of an outer tube of a gas pressure wand according to claim 1, characterized in that: The laser welding gun mechanism comprises a welding gun base, two groups of laser welding gun assemblies are arranged on the top of the welding gun base, and a welding wire disc is arranged at the rear of the welding gun base, the two groups of laser welding gun assemblies are vertically arranged above the welding gun base through a servo module, and each group of the laser welding gun assemblies is matched with a wire feeder.

8. A pressurized bar outer tube end sealing and welding device according to claim 7, characterized in that: The material lifting rotating mechanism comprises a material lifting frame, a ball screw, a lifting motor, an inner support sleeve and a rotating motor, the material lifting frame is arranged at the bottom of the welding gun base, a lifting base is arranged at the front end of the material lifting frame through a sliding rail and a sliding block, the ball screw is vertically arranged on the inner side of the material lifting frame and connected with the lifting base through a connecting plate, the lifting motor is fixedly arranged on the bottom end surface of the top of the material lifting frame, the motor shaft of the lifting motor is in transmission connection with the ball screw, the inner support sleeve is rotatably arranged on the lifting base through a bearing seat, the top end of the inner support sleeve can extend upward through the top of the material lifting frame, the bottom end of the inner support sleeve is connected with a material lifting cylinder through a coupling, and the rotating motor is fixedly arranged on the lifting base and in transmission connection with the inner support sleeve through a synchronous pulley.

9. A pressurized bar outer tube end sealing and welding device according to claim 1, characterized in that: The transfer manipulator comprises a guide rail, a rack, a transfer base, a transfer motor and two groups of material clamping assemblies, the guide rail and the rack are arranged on the top of the rack along the length direction of the rack, the transfer base is arranged on the guide rail through a sliding block, the transfer motor is arranged on the middle part of the transfer base in an inverted manner, the motor shaft of the transfer motor is in transmission connection with the rack through a gear, and two groups of the material clamping assemblies are arranged at two ends of the transfer base respectively.

10. A device for sealing the end of an outer tube of a gas pressure pen according to claim 9, characterized in that: Each group of the material clamping assemblies comprises a material clamping base and two groups of material clamping cylinders, the material clamping base is arranged on the transfer base through a sliding rail sliding block, the top of the material clamping base is provided with a material clamping moving cylinder for driving the material clamping base to move forward or backward, two groups of the material clamping cylinders are arranged at two ends of the material clamping base respectively, and the output end of each group of the material clamping cylinders is provided with a clamping jaw.

Images