CN117086529B - Water pump shell welding device and welding process thereof - Google Patents
Water pump shell welding device and welding process thereof Download PDFInfo
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- CN117086529B CN117086529B CN202311354165.4A CN202311354165A CN117086529B CN 117086529 B CN117086529 B CN 117086529B CN 202311354165 A CN202311354165 A CN 202311354165A CN 117086529 B CN117086529 B CN 117086529B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 238000003466 welding Methods 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000008569 process Effects 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 129
- 239000007789 gas Substances 0.000 claims description 81
- 238000001514 detection method Methods 0.000 claims description 39
- 239000011261 inert gas Substances 0.000 claims description 19
- 210000003437 trachea Anatomy 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000008034 disappearance Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to a water pump shell welding device and a welding process thereof, wherein the welding device comprises a base, the top of the base is fixedly connected with a box body, the bottom of the box body is slidingly connected with a bottom cover, the top of the box body is rotationally connected with a top cover through a hinge, a sealing strip is fixedly connected between the box body and the top cover, the bottom of the bottom cover is fixedly connected with a lifting cylinder, and the lifting cylinder is slidingly connected with a lifting piston.
Description
Technical Field
The invention relates to a water pump shell welding device and a welding process thereof, in particular to a water pump shell welding device and a welding process thereof, which are applied to the technical field of welding.
Background
With the development of industrial production, water pumps play a vital role in various fields. In order to ensure the normal operation and service life of the water pump, the welding quality of the water pump housing is particularly important. Welding is a process of joining two or more metal parts together, and gas shielding is a critical step in the welding process to prevent oxidation of the metal and other hazardous gases from contaminating.
In conventional water pump housing welding techniques, the gas shield is typically directed only to the welding side. This is because limitations in the apparatus structure and the welding process make it difficult to gas-shield the inside of the water pump housing at the time of welding. Due to this problem, defects such as oxidation, inclusions, bubbles, etc. may occur at the welded portion, thereby affecting the welding quality and the service life of the water pump housing.
In addition, the conventional welding process requires the use of special equipment to check the tightness of the water pump housing after the welding is completed. The detection mode not only increases the production cost, but also can not monitor and feed back the sealing effect of welding in real time, thereby increasing the risk of product quality.
The invention discloses a water pump cavity girth welding tool, which is characterized by comprising a positioning central shaft, a short sleeve positioning piece, a long sleeve positioning piece and a locking loose nut, wherein the short sleeve positioning piece and the long sleeve positioning piece are sleeved on the positioning central shaft, the long sleeve positioning piece is positioned above the short sleeve positioning piece, the locking loose nut is screwed on the upper part of the positioning central shaft, and the positioning central shaft is provided with a limiting fixing area, a short sleeve sleeving area, a long sleeve sleeving area and a threaded area. The invention has simple structure, concentric installation, accurate positioning, high parallelism and firm clamping, can simultaneously install the large hole body, the guide vane, the inner shell body and the small hole body on the inner sides of the cavity short sleeve and the cavity long sleeve, and is convenient for welding the annular seam of the connecting areas of the cavity long sleeve and the cavity short sleeve.
Although the above design can be concentrically installed, certain limitations exist in the welding process, such as the fact that the welding side and the inner part of the water pump shell cannot be simultaneously protected from gas in the welding process of the water pump shell, and special equipment is required to detect the tightness after welding.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the technical problems of protecting the welding side and the inner part of the water pump shell from gas in the welding process of the water pump shell, thereby improving the welding quality, preventing the occurrence of welding defects such as oxidation, inclusion, bubbles and the like, avoiding the use of special equipment to detect the tightness after welding, monitoring and feeding back the sealing effect of the welding in real time, and reducing the production cost and the product quality risk.
In order to solve the problems, the invention provides a water pump shell welding device which comprises a base, wherein the top of the base is fixedly connected with a box body, the bottom of the box body is connected with a bottom cover in a sliding manner, the top of the box body is connected with a top cover through a hinge, a sealing strip is fixedly connected between the box body and the top cover, the bottom of the bottom cover is fixedly connected with a lifting cylinder, a lifting piston is connected in the lifting cylinder in a sliding manner, a vent hole is formed in the lifting piston, the vent hole penetrates through the lifting piston, a first clamping device and a second clamping device are fixedly connected on the box body, a water pump shell is fixedly connected between the first clamping device and the second clamping device, a welding head is fixedly connected on the base, a sealing device is fixedly connected between the water pump shell and the first clamping device, one end, away from each other, of the first clamping device and the second clamping device is fixedly connected with a power device, the outer end, away from the water pump shell, of the box body is fixedly connected with a control system, the air tightness detection device and the power device are all electrically connected with the control system through wires, water is filled between the water pump shell and the bottom cover, and inert gas is filled in the air tightness detection device.
In the water pump shell welding device and the welding process thereof, the welding side and the inner part of the water pump shell can be simultaneously protected by gas in the welding process, so that the welding quality is improved, the welding sealing effect can be directly detected after the welding is finished, the defective rate and the production cost are reduced, and the subsequent detection by using additional equipment is avoided.
As the further improvement of this application, first clamping device include with box inner wall fixed connection's centre gripping cylinder, centre gripping cylinder inner wall sliding connection has the centre gripping piston, and the centre gripping piston is close to pump housing one end fixedly connected with clamping lever, and the clamping lever runs through the centre gripping cylinder and extends to the centre gripping cylinder outside, clamping lever outer end fixedly connected with baffle ring, and the clamping cylinder is close to clamping lever one end fixedly connected with gas outlet, and the gas outlet internal diameter is less than the trachea internal diameter.
As still further improvement of this application, second clamping device includes the carousel of being connected with the box rotation, has seted up the adjustment groove on the carousel, through clamping nut fixedly connected with clamping tube on the adjustment groove, the clamping tube runs through carousel, adjustment groove and box and extends to the box outside, clamping tube outer wall fixedly connected with sealing ring, the sealing ring is located between pump housing and the clamping tube, has seted up the second through-hole in the clamping tube.
As a still further improvement of this application, sealing device includes the sealed push rod with clamping lever outer end sliding connection, sealed push rod is close to clamping piston one end fixedly connected with sealed push plate, sealed push rod keeps away from sealed push plate one end outer wall sliding connection's baffle, fixedly connected with seal spring between baffle and the sealed push plate, sealed push plate one end is kept away from to the baffle is equipped with the sealing washer, sealing washer and sealed push rod outer wall sliding connection, sealed push rod is kept away from sealed push plate one end and is the toper structure, and the less one end of toper structure diameter is close to the sealing washer setting.
As a further improvement of the present application, the power device comprises a motor fixedly connected with the outer end of the box body, the motor is provided with a shaft, the shaft penetrates through the box body and the clamping cylinder, and the penetrating part extends to the inner side of the clamping cylinder and is far away from the clamping piston and fixedly connected with the clamping piston, and the shaft is in sliding connection with the motor through a spline.
As the addition of another improvement of this application, airtight detection device include with centre gripping cylinder outer end fixed connection's air inlet, air inlet keep away from centre gripping cylinder one end fixed connection second solenoid valve, and the second solenoid valve links to each other with outside inert gas air supply, and the air inlet is linked together with centre gripping cylinder is inside, has seted up the air guide aperture in the healthy axle, has seted up first through-hole in centre gripping piston and the clamping lever, and air guide aperture, first through-hole and second through-hole are linked together with centre gripping cylinder is inside, and air guide aperture is less than first through-hole and second through-hole aperture.
As a further improvement of the present application, the clamping tube is kept away from the hose of water pump housing one end fixedly connected with hose, and hose one end is kept away from the clamping tube and is rotated and is connected with the trachea, and the trachea is close to hose one end fixedly connected with manometer, trachea and lift piston fixed connection, and the trachea is linked together with the air vent, and manometer one end is kept away from to the trachea and clamping cylinder is close to baffle ring one end fixed connection, and the trachea is linked together with clamping cylinder, fixedly connected with first solenoid valve on the trachea, and first solenoid valve is located between clamping cylinder and the lift piston.
As a further improvement of the present application, it includes the following welding process,
s1, clamping, wherein a first electromagnetic valve and a second electromagnetic valve are controlled to be closed through a control system, a top cover is manually opened, a water pump shell is manually placed between a first clamping device and a second clamping device, the top cover is manually closed, the first electromagnetic valve is set to be half-opened, the second electromagnetic valve is fully opened through the control system, inert gas of an external gas source enters a clamping cylinder through a gas inlet, then flows through a first through hole, the inner wall of the water pump shell, a second through hole, a hose and a gas pipe from a gas guide small Kong Yici, finally flows into the clamping cylinder to be positioned at one side of the clamping piston close to a clamping rod, finally flows out from a gas outlet from the clamping cylinder, because the aperture of the gas guide small hole is smaller than that of the first through hole and the second through hole, the gas can generate thrust to the clamping piston and the clamping rod when flowing through the gas guide small hole, the clamping piston and the clamping rod can move towards a direction far away from the clamping cylinder under the thrust, the clamping rod drives the baffle ring to move while moving, the baffle ring pushes the sealing push rod and the sealing push plate to move, the sealing push rod pushes the sealing spring to move, the sealing spring further pushes the baffle plate and the sealing ring to move, when the sealing ring enters the inside of the water pump shell, and the baffle plate is propped against the end part of the water pump shell, the baffle ring continues to push the sealing push plate to move under the action of pressure, the sealing spring is compressed, then the first electromagnetic valve is set to be fully opened, the second electromagnetic valve is set to be half opened through the control system, at the moment, the flow rate of gas is reduced when the gas flows through the gas guide small hole, at the moment, the gas does not push the clamping piston and the clamping rod any more, along with the disappearance of the pushing force, the sealing spring begins to relax, the sealing push plate and the sealing push rod are pushed to move away from the water pump shell, and one end of the sealing push rod away from the sealing push plate is in a conical structure, the conical structure of the sealing push rod enables the sealing ring to expand outwards until the sealing ring abuts against the inner wall of the water pump shell, sealing of the inner wall of the water pump shell is completed, meanwhile, one end of the water pump shell, far away from the sealing ring, is matched with the outer end of the clamping pipe, sealing is formed between the outer end of the clamping pipe and the inner wall of the water pump shell under the action of the sealing ring, at the moment, the first clamping device, the second clamping device and the sealing device complete clamping and sealing of the water pump shell, and meanwhile, inert gas of an external air source discharges air in the water pump shell, so that the inner part of the water pump shell is filled with inert gas;
s2, welding is carried out, a motor and a welding head are started to automatically weld through a control system, the motor drives a shaft to rotate through spline connection, the shaft further drives a clamping piston, a clamping rod and a baffle ring to rotate, the clamping rod and the baffle ring drive a sealing push rod, a sealing push plate, a baffle plate, a sealing spring and a sealing ring to rotate, the baffle plate and the sealing ring further drive a water pump shell to rotate, the water pump shell drives the sealing ring and a clamping pipe to rotate, the clamping pipe further drives a clamping nut and a turntable to rotate, the welding head completes a welding adjusting groove and the clamping nut on a part to be welded of the water pump shell in the rotating process, the position of the clamping pipe can be finely adjusted according to requirements, the clamping pipe can better clamp the water pump shell, inert gas of an external gas source always circulates in the water pump shell in the welding process, the water pump shell is under the protection of the inert gas, and part of gas generated in the process of welding the water pump shell is absorbed by water;
s3, cooling detection is carried out, after welding is finished, a welding head is closed through a control system, a first electromagnetic valve is closed at the same time, inert gas from an external gas source is accumulated in a gas inlet, a clamping cylinder, a gas guide small hole, a first through hole, a second through hole, a hose and a gas pipe at the moment, so that the gas pressure at the positions is increased, the gas enters the top of a lifting piston through a vent hole, the lifting cylinder and a bottom cover are forced to move upwards under the action of the pressure, the water at the top of the bottom cover is lifted up, a water pump shell is submerged, when the bottom cover is lifted up to the position where the gas pipe is connected with one end of the clamping cylinder, lifting is stopped, the pressure of the gas pipe is continuously lifted up at the moment, a pressure meter is observed until the reading value reaches a set value, the top cover is manually opened, whether the gas leakage exists at the welding position of the water pump shell, if the gas leakage does not exist, the welding is finished, and the leakage position is required to be checked for subsequent treatment;
s4, pressure relief, namely opening a first electromagnetic valve through a control system, closing a second electromagnetic valve, and relieving pressure of gas through a gas pipe, wherein the first electromagnetic valve completely opens the gas pipe to flow into a clamping cylinder, so that the gas can generate pressure on a clamping piston, the clamping piston moves a loose water pump shell in a direction away from the water pump shell under the action of the pressure, and the bottom cover moves downwards under the action of the gravity of water;
s5, disassembling, and manually taking down the water pump housing after pressure relief.
In summary, the scheme has the following beneficial effects:
1. and the welding quality and protection are improved: through the gas protection inside and outside the water pump shell, effectively prevent welding defects such as oxidation, inclusion, bubble and the like to improve welding quality.
2. The production efficiency is improved: automatic control, such as automatic welding and automatic cooling detection, is performed by the control system, so that the time of manual operation and possible errors are reduced.
3. And (3) real-time sealing detection: in the cooling stage after welding, the sealing effect of the welding part can be observed in real time, the detection of the tightness by using special equipment alone is avoided, and the cost and time are saved.
4. Flexibility and adaptability: the clamping equipment design, such as a lifting cylinder and a clamping cylinder, provides accurate and flexible operation on the water pump housing, and meets various operation requirements.
5. Optimizing the operating environment: the design of equipment such as a base, a box body and a top cover ensures the stability and the tightness of an operation environment, and is beneficial to the welding process.
6. The cost is saved: because no extra special equipment is needed for sealing detection, and automatic control in the welding process is beneficial to reducing the production cost.
7. The product quality is improved: the airtight detection device ensures that the welding part and the inside of the water pump shell are in a gas environment with low reactivity, so that the defective rate is reduced.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic view of the appearance structure of the present application;
FIG. 3 is a top view of the present application;
FIG. 4 is a cross-sectional view A-A of the present application;
FIG. 5 is an enlarged view of portion B of the present application;
FIG. 6 is an enlarged view at C of the present application;
FIG. 7 is an enlarged view of the present application at D;
FIG. 8 is an enlarged view at E of the present application;
FIG. 9 is an enlarged view of the present application at F;
fig. 10 is a block diagram of the first clamping device, the second clamping device and the water pump housing of the present application.
The reference numerals in the figures illustrate:
1. a base; 2. a case; 201. a bottom cover; 202. a top cover; 203. a sealing strip; 204. a lifting cylinder; 205. a lifting piston; 206. a vent hole; 3. a water pump housing; 4. welding head; 5. a first clamping device; 501. a clamping cylinder; 502. a clamping piston; 503. a clamping rod; 504. a baffle ring; 6. a second clamping device; 601. a turntable; 602. an adjustment groove; 603. clamping the pipe; 604. clamping a nut; 7. a sealing device; 701. sealing the push rod; 702. a sealing push plate; 703. a baffle; 704. a seal spring; 705. a seal ring; 706. a seal ring; 8. an airtight detection device; 801. an air inlet; 802. an air guide small hole; 803. a first through hole; 804. a second through hole; 805. a hose; 806. an air pipe; 807. a pressure gauge; 9. a power device; 901. a motor; 902. shaft strengthening; 10. a control system; 11. a first electromagnetic valve; 12. a second electromagnetic valve; 13. and an air outlet.
Detailed Description
Three embodiments of the present application are described in detail below with reference to the accompanying drawings.
Example 1
Figures 1-3 show.
The utility model provides a water pump shell welding set, including base 1, base 1 top fixedly connected with box 2, box 2 bottom sliding connection has bottom 201, box 2 top is through hinge rotation connection top cap 202, fixedly connected with sealing strip 203 between box 2 and the top cap 202, bottom 201 bottom fixedly connected with lift cylinder 204, lift cylinder 204 sliding connection has lift piston 205, the air vent 206 has been seted up in the lift piston 205, air vent 206 runs through lift piston 205, fixedly connected with first clamping device 5 and second clamping device 6 on the box 2, fixedly connected with water pump shell 3 between first clamping device 5 and the second clamping device 6, fixedly connected with bonding tool 4 on the base 1, fixedly connected with sealing device 7 between water pump shell 3 and the first clamping device 5, first clamping device 5 and the one end fixedly connected with airtight detection device 8 that second clamping device 6 kept away from each other, water pump shell 3 one end fixedly connected with power device 9, box 2 outer end fixedly connected with control system 10, bonding tool 4, airtight detection device 8 and power device 9 all are through wire and control system 10, be connected with water pump shell electrical property and airtight detection device 8, airtight detection device is filled with water pump shell 201.
In the water pump casing welding device and the welding process thereof, the welding side and the inside of the water pump casing 3 can be simultaneously protected by gas in the welding process, so that the welding quality is improved, the welding sealing effect can be directly detected after the welding is finished, the defective rate and the production cost are reduced, and the subsequent detection by using additional equipment is avoided.
The base 1 is used as a supporting base of the whole device, ensures the stability of the equipment during working, the sliding connection of the box body 2 and the bottom cover 201 enables the bottom cover 201 to slide up and down in the box body 2, adapts to different operation requirements, the hinge rotation connection of the top cover 202 provides convenient access and operation space for operators, the operability and the application range of the equipment are increased, the sealing strip 203 provides effective sealing between the box body 2 and the top cover 202, ensures the airtight environment during welding and detection, so that part of gas generated by welding can be dissolved into water, the lifting cylinder 204 and the lifting piston 205 provide dynamic adjustment functions, the bottom cover 201 is moved up and down according to the requirement, the operation is more flexible, the vent 206 ensures that the gas can circulate in the lifting piston 205, the lifting of the lifting cylinder 204 is facilitated to be controlled, the first clamping device 5 and the second clamping device 6 fix and support the water pump housing 3, ensure the stability of the water pump housing during welding, the welding head 4 provides a welding function, is electrically connected with the control system 10, can perform accurate control, the sealing device 7 ensures the sealing between the water pump housing 3 and the first clamping device 5, avoids gas leakage, improves welding quality, the airtight detection device 8 provides airtightness detection after welding, ensures welding quality, reduces defective products, the action of the connection ensuring device of the power device 9 and the control system 10 can be controlled according to requirements, improves the accuracy of operation, water is used for cooling after the welding is finished, and as a medium for detecting welding tightness, if leakage exists, bubbles can appear in the water, inert gas filled in the airtight detection device 8 provides an environment with low reactivity, ensure welding quality and avoid contact with gases reactive with oxygen and the like during subsequent inspection.
Example two
Fig. 4-10 show.
As a further improvement of the application, the first clamping device 5 comprises a clamping cylinder 501 fixedly connected with the inner wall of the box body 2, a clamping piston 502 is slidably connected with the inner wall of the clamping cylinder 501, one end of the clamping piston 502 close to the water pump housing 3 is fixedly connected with a clamping rod 503, the clamping rod 503 penetrates through the clamping cylinder 501 and extends to the outer side of the clamping cylinder 501, the outer end of the clamping rod 503 is fixedly connected with a baffle ring 504, one end of the clamping cylinder 501 close to the clamping rod 503 is fixedly connected with an air outlet 13, the inner diameter of the air outlet 13 is smaller than the inner diameter of an air pipe 806, the second clamping device 6 comprises a rotary table 601 rotatably connected with the box body 2, an adjusting groove 602 is formed in the rotary table 601, a clamping pipe 603 is fixedly connected with the adjusting groove 602 through a clamping nut 604, the clamping pipe 603 penetrates through the rotary table 601, the adjusting groove 602 and the box body 2 and extends to the outer side of the box body 2, the sealing device 7 comprises a sealing push rod 701 slidably connected with the outer end of the clamping rod 503, the sealing push rod 701 is fixedly connected with the sealing push plate 702 near one end of the clamping piston 502, the outer wall of one end of the sealing push rod 701 far away from the sealing push plate 702 is slidingly connected with the baffle 703, a sealing spring 704 is fixedly connected between the baffle 703 and the sealing push plate 702, one end of the baffle 703 far away from the sealing push plate 702 is provided with a sealing ring 705, the sealing ring 705 is slidingly connected with the outer wall of the sealing push rod 701, one end of the sealing push rod 701 far away from the sealing push plate 702 is of a conical structure, the smaller end of the conical structure is close to the sealing ring 705, the outer wall of the clamping pipe 603 is fixedly connected with a sealing ring 706, the sealing ring 706 is positioned between the water pump housing 3 and the clamping pipe 603, the power device 9 comprises a motor 901 fixedly connected with the outer end of the box body 2, the motor 901 is provided with a health shaft 902, the health shaft 902 penetrates through the box body 2 and the clamping cylinder 501, the penetrating part extends to the inner side of the clamping cylinder 501 and is far away from the fixed connection with the clamping piston 502, the key shaft 902 is slidably connected with the motor 901 through a spline, the airtight detection device 8 comprises an air inlet 801 fixedly connected with the outer end of the clamping cylinder 501, one end of the air inlet 801 far away from the clamping cylinder 501 is fixedly connected with a second electromagnetic valve 12, the second electromagnetic valve 12 is connected with an external inert gas source, the air inlet 801 is communicated with the inside of the clamping cylinder 501, an air guide small hole 802 is formed in the key shaft 902, a first through hole 803 is formed in the clamping piston 502 and the clamping rod 503, a second through hole 804 is formed in the clamping pipe 603, the air guide small hole 802, the first through hole 803 and the second through hole 804 are communicated with the inside of the clamping cylinder 501, the aperture of the air guide small hole 802 is smaller than that of the first through hole 803 and the second through hole 804, one end, away from the water pump housing 3, of the clamping tube 603 is fixedly connected with a hose 805, one end, away from the clamping tube 603, of the hose 805 is rotationally connected with an air tube 806, one end, close to the hose 805, of the air tube 806 is fixedly connected with a pressure gauge 807, the air tube 806 is fixedly connected with the lifting piston 205, the air tube 806 is communicated with the air hole 206, one end, away from the pressure gauge 807, of the air tube 806 is fixedly connected with one end, close to the baffle ring 504, of the clamping cylinder 501, the air tube 806 is communicated with the clamping cylinder 501, the first electromagnetic valve 11 is fixedly connected to the air tube 806, and the first electromagnetic valve 11 is located between the clamping cylinder 501 and the lifting piston 205.
The clamping cylinder 501 and the clamping piston 502 provide a dynamic clamping function, the clamping piston 502 can rapidly adjust the position of the clamping rod 503 through movement of the clamping piston 502 in the cylinder 501, so that the water pump housing 3 is clamped or released efficiently, the clamping rod 503 is prevented from excessively sliding in the cylinder 501 through the arrangement of the baffle ring 504, safety of equipment is guaranteed, the inner diameter of the air outlet 13 is smaller than that of the air pipe 806, air flow speed is convenient to adjust, pressure is provided for 502, the turntable 601 and the adjusting groove 602 are provided, flexibility of the clamping equipment is increased, the adjusting groove 602 provides a precise position adjusting function for the clamping pipe 603, the sealing device 7 (comprising components such as a sealing push rod 701 and a sealing ring 705) ensures the sealing effect of a welding part, and therefore welding quality is guaranteed, particularly, the conical structure and sliding connection are designed, better sealing effect is provided, sliding connection of the motor 901 and the sealing shaft 902 can ensure smooth transmission, meanwhile, maintenance and replacement are also convenient, the airtight detection device 8 ensures that in the welding process, the welding part and the water pump housing 3 are both in a protective environment of inert gas, thereby improving quality, the air pipe 806 and the pressure gauge and the pressure detection device are combined, the pressure detection and the pressure detection are provided, and the pressure detection efficiency and the electromagnetic valve are improved, and the air inlet and the air pressure detection efficiency are improved, and the electromagnetic valve and the air pressure detection efficiency and the air inlet and the air pressure detection device and the electromagnetic valve are used for the electromagnetic valve 11 are used for controlling and the operation, and the welding operation and the operation and 11 and the real-time and 11 and work and 11.
Example III
Figures 1-10 show.
As a still further improvement of the present application, it includes the following welding process,
s1, clamping, wherein the first electromagnetic valve 11 and the second electromagnetic valve 12 are controlled to be closed through the control system 10, the top cover 202 is manually opened, the water pump housing 3 is manually placed between the first clamping device 5 and the second clamping device 6, the top cover 202 is manually closed, the first electromagnetic valve 11 is set to be fully opened by the control system 10, at the moment, the inert gas of an external gas source enters the clamping cylinder 501 through the gas inlet 801, then flows through the first through hole 803, the inner wall of the water pump housing 3, the second through hole 804, the hose 805 and the gas pipe 806 sequentially from the gas guide small hole 802 into the clamping cylinder 501 at the side of the clamping piston 502 close to the clamping rod 503, finally flows out from the clamping cylinder 501 through the gas outlet 13, and because the aperture of the gas guide small hole 802 is smaller than that of the first through hole 803 and the second through hole 804, the gas can generate thrust to the clamping piston 502 and the clamping rod 503 when flowing through the gas guide small hole 802, the clamping piston 502 and the clamping rod 503 will move away from the clamping cylinder 501 under the action of the pushing force, the clamping rod 503 drives the baffle ring 504 to move while moving, the baffle ring 504 pushes the sealing push rod 701 and the sealing push plate 702 to move, the sealing push rod 701 pushes the sealing spring 704 to move, the sealing spring 704 further pushes the baffle plate 703 and the sealing ring 705 to move, when the sealing ring 705 enters the inside of the water pump housing 3 and the baffle plate 703 abuts against the end part of the water pump housing 3, the baffle ring 504 continues to push the sealing push plate 702 to move under the action of the pressure, the sealing spring 704 is compressed, then the first electromagnetic valve 11 is set to be fully opened, the second electromagnetic valve 12 is set to be half opened by the control system 10, at this time, the flow rate of the gas is reduced when the gas flows through the gas guide hole 802, at this time the gas will no longer generate pushing force on the clamping piston 502 and the clamping rod 503, along with the disappearance of the thrust, the sealing spring 704 begins to relax, the sealing spring 704 pushes the sealing push plate 702 and the sealing push rod 701 to move in the direction away from the water pump housing 3, because one end of the sealing push rod 701 away from the sealing push plate 702 is of a conical structure, the conical structure of the sealing push rod 701 enables the sealing ring 705 to expand outwards until the sealing ring 705 abuts against the inner wall of the water pump housing 3, the sealing of the inner wall of the water pump housing 3 is completed, one end of the water pump housing 3 away from the sealing ring 705 is matched with the outer end of the clamping tube 603, and the sealing is formed between the outer end of the clamping tube 603 and the inner wall of the water pump housing 3 under the action of the sealing ring 706, at the moment, the first clamping device 5, the second clamping device 6 and the sealing device 7 complete the clamping and sealing of the water pump housing 3, and meanwhile, the inert gas of an external gas source discharges the air inside the water pump housing 3, so that the inside of the water pump housing 3 is filled with the inert gas;
s2, welding is started by a control system 10, a motor 901 and a welding head 4 start to automatically weld, the motor 901 drives a key shaft 902 to rotate through spline connection, the key shaft 902 drives a clamping piston 502, a clamping rod 503 and a baffle ring 504 to rotate, the clamping rod 503 and the baffle ring 504 drive a sealing push rod 701, a sealing push plate 702, a baffle 703, a sealing spring 704 and a sealing ring 705 to rotate, the baffle 703 and the sealing ring 705 further drive a water pump housing 3 to rotate, the water pump housing 3 drives a sealing ring 706 and a clamping pipe 603 to rotate, the clamping pipe 603 further drives a clamping nut 604 and a turntable 601 to rotate, the welding head 4 in the rotating process of the water pump housing 3 can finish fine adjustment of the position of the clamping pipe 603 according to requirements, the clamping pipe 603 can better clamp the water pump housing 3, inert gas of an external gas source always circulates in the water pump housing 3, the inside the water pump housing 3 is under the protection of the inert gas, and part of the gas generated in the process of welding the water pump housing 3 is absorbed by water;
s3, after the welding is finished, the welding head 4 is closed through the control system 10, meanwhile, the first electromagnetic valve 11 is closed, at the moment, inert gas from an external gas source is accumulated in the gas inlet 801, the clamping cylinder 501, the gas guide small hole 802, the first through hole 803, the second through hole 804, the hose 805 and the gas pipe 806, so that the gas pressure at the positions is increased, at the moment, the gas enters the top of the lifting piston 205 through the vent hole 206, the lifting cylinder 204 and the bottom cover 201 are forced to move upwards under the action of the pressure, meanwhile, the water at the top of the bottom cover 201 is lifted up to submerge the water pump housing 3, when the bottom cover 201 is lifted to the position where the gas pipe 806 is connected with one end of the clamping cylinder 501, the lifting is stopped, at the moment, the pressure of the gas pipe 806 is continuously lifted up, the pressure meter 807 is observed until the reading reaches a set value, the top cover 202 is manually opened, whether the gas leakage exists at the position of the water pump housing 3, if the gas leakage does not exist, the welding is finished, and if the gas leakage exists, the position needs to be checked, and the subsequent treatment is carried out;
s4, pressure relief is carried out, the first electromagnetic valve 11 is opened, the second electromagnetic valve 12 is closed, the gas is relieved through the gas pipe 806, meanwhile, the gas flow rate of the gas flowing into the clamping cylinder 501 is accelerated due to the fact that the first electromagnetic valve 11 is completely opened, the inner diameter of the gas outlet 13 is smaller than that of the gas pipe 806, so that pressure is generated on the clamping piston 502 by the gas, the clamping piston 502 moves the loose water pump housing 3 in a direction away from the water pump housing 3 under the action of the pressure, and the bottom cover 201 moves downwards under the action of the gravity of water;
s5, disassembling, and manually taking down the water pump housing 3 after pressure relief.
The design adopts the control system 10 to automatically control, such as automatic welding (S2) and automatic cooling detection (S3), so that the production efficiency can be improved, the operation errors are reduced, the real-time sealing detection is carried out, the welding sealing effect can be observed in real time in the cooling detection stage (S3), special equipment is not needed, if gas leakage occurs, the subsequent treatment can be carried out in time, the product quality risk is reduced, the cooling detection method in the S3 stage is not only beneficial to product cooling, but also carries out gas leakage detection at the welding seam by utilizing the liquid environment, the additional efficiency is brought to the production process, and the post maintenance and disassembly processes are simplified for the release of air pressure and the removal of the water pump shell 3 in the S4 and S5 stages, so that the whole operation is more convenient.
The scope of protection of the above-described embodiments employed in the present application is not limited to the above-described embodiments, and various changes made by those skilled in the art without departing from the spirit of the present application are still within the scope of protection of the present invention.
Claims (2)
1. A water pump casing welding set, its characterized in that: comprises a base (1), base (1) top fixedly connected with box (2), box (2) bottom sliding connection has bottom lid (201), box (2) top is through loose-leaf rotation connection has top cap (202), fixedly connected with sealing strip (203) between box (2) and top cap (202), bottom fixedly connected with lift cylinder (204) bottom, sliding connection has lift piston (205) in lift cylinder (204), vent (206) have been seted up in lift piston (205), vent (206) run through lift piston (205), fixedly connected with first clamping device (5) and second clamping device (6) on box (2), fixedly connected with water pump housing (3) between first clamping device (5) and second clamping device (6), fixedly connected with bonding tool (4) on base (1) between water pump housing (3) and first clamping device (5), first clamping device (5) are connected with sealing device (7) each other, first clamping device (5) and second clamping device (6) are kept away from one end (8) and are kept away from each other and are connected with one end (9) of power clamping device (9), the outer end of the box body (2) is fixedly connected with a control system (10), the welding head (4), the airtight detection device (8) and the power device (9) are electrically connected with the control system (10) through wires, water is filled between the water pump shell (3) and the bottom cover (201), and inert gas is filled in the airtight detection device (8);
the first clamping device (5) comprises a clamping cylinder (501) fixedly connected with the inner wall of the box body (2), the inner wall of the clamping cylinder (501) is slidably connected with a clamping piston (502), one end, close to the water pump housing (3), of the clamping piston (502) is fixedly connected with a clamping rod (503), the clamping rod (503) penetrates through the clamping cylinder (501) and extends to the outer side of the clamping cylinder (501), the outer end of the clamping rod (503) is fixedly connected with a baffle ring (504), one end, close to the clamping rod (503), of the clamping cylinder (501) is fixedly connected with an air outlet (13), and the inner diameter of the air outlet (13) is smaller than the inner diameter of an air pipe (806);
the second clamping device (6) comprises a rotary table (601) rotationally connected with the box body (2), an adjusting groove (602) is formed in the rotary table (601), a clamping pipe (603) is fixedly connected to the adjusting groove (602) through a clamping nut (604), the clamping pipe (603) penetrates through the rotary table (601), the adjusting groove (602) and the box body (2) and extends to the outer side of the box body (2), a sealing ring (706) is fixedly connected to the outer wall of the clamping pipe (603), the sealing ring (706) is located between the water pump housing (3) and the clamping pipe (603), and a second through hole (804) is formed in the clamping pipe (603);
the sealing device (7) comprises a sealing push rod (701) which is in sliding connection with the outer end of the clamping rod (503), one end of the sealing push rod (701) close to the clamping piston (502) is fixedly connected with a sealing push plate (702), the outer wall of one end of the sealing push rod (701) far away from the sealing push plate (702) is in sliding connection with a baffle plate (703), and a sealing spring (704) is fixedly connected between the baffle plate (703) and the sealing push plate (702);
one end of the baffle plate (703) far away from the sealing push plate (702) is provided with a sealing ring (705), the sealing ring (705) is in sliding connection with the outer wall of the sealing push rod (701), one end of the sealing push rod (701) far away from the sealing push plate (702) is in a conical structure, and one end of the conical structure with smaller diameter is close to the sealing ring (705);
the power device (9) comprises a motor (901) fixedly connected with the outer end of the box body (2), the motor (901) is provided with a shaft (902), the shaft (902) penetrates through the box body (2) and the clamping cylinder (501), the penetrating part extends to the inner side of the clamping cylinder (501) and is far away from the clamping piston (502) to be fixedly connected, and the shaft (902) is in sliding connection with the motor (901) through a spline;
the airtight detection device (8) comprises an air inlet (801) fixedly connected with the outer end of the clamping cylinder (501), one end, far away from the clamping cylinder (501), of the air inlet (801) is fixedly connected with a second electromagnetic valve (12), the second electromagnetic valve (12) is connected with an external inert gas source, the air inlet (801) is communicated with the inside of the clamping cylinder (501), an air guide small hole (802) is formed in the shaft (902), a first through hole (803) is formed in the clamping piston (502) and the clamping rod (503), the air guide small hole (802), the first through hole (803) and the second through hole (804) are communicated with the inside of the clamping cylinder (501), and the aperture of the air guide small hole (802) is smaller than that of the first through hole (803) and the second through hole (804);
clamping tube (603) are kept away from water pump housing (3) one end fixedly connected with hose (805), hose (805) are kept away from clamping tube (603) one end and are rotated and are connected with trachea (806), trachea (806) are close to hose (805) one end fixedly connected with manometer (807), trachea (806) and lifting piston (205) fixed connection, and trachea (806) are linked together with air vent (206), manometer (807) one end and clamping cylinder (501) are kept away from to trachea (806) are close to baffle ring (504) one end fixed connection, and trachea (806) are linked together with clamping cylinder (501), fixedly connected with first solenoid valve (11) on trachea (806), first solenoid valve (11) are located between clamping cylinder (501) and lifting piston (205).
2. The welding process of a water pump housing welding device according to claim 1, wherein: comprises the following welding process which comprises the following steps,
s1, clamping, wherein a control system (10) is used for controlling to close a first electromagnetic valve (11) and a second electromagnetic valve (12), a top cover (202) is manually opened, a water pump housing (3) is manually placed between a first clamping device (5) and a second clamping device (6), the top cover (202) is manually closed, the control system (10) is used for opening the second electromagnetic valve (12), and the first clamping device (5) and the second clamping device (6) are used for fixing and clamping the water pump housing (3);
s2, starting a motor (901) and a welding head (4) through a control system (10) to start automatic welding;
s3, cooling detection, after welding is finished, a welding head (4) is closed through a control system (10), a first electromagnetic valve (11) is closed, a bottom cover (201) rises under the action of pressure, water in a box body (2) rises along with the pressure, a water pump shell (3) is submerged, a pressure gauge (807) is observed until the reading reaches a set value, a top cover (202) is opened manually, and whether gas leakage exists at a welding seam of the water pump shell (3) is observed;
s4, pressure relief, namely opening a first electromagnetic valve (11) through a control system (10), closing a second electromagnetic valve (12), relieving pressure of gas through a gas pipe (806), simultaneously clamping a piston (502) to move a loose water pump shell (3) in a direction away from the water pump shell (3), and enabling a bottom cover (201) to move downwards under the action of gravity of water;
s5, disassembling, and manually taking down the water pump shell (3) after pressure relief.
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| CN202311354165.4A CN117086529B (en) | 2023-10-19 | 2023-10-19 | Water pump shell welding device and welding process thereof |
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| CN202311354165.4A CN117086529B (en) | 2023-10-19 | 2023-10-19 | Water pump shell welding device and welding process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109014581A (en) * | 2018-09-25 | 2018-12-18 | 无锡汉神电气股份有限公司 | The full-automatic continuous girth welding machine of automotive sealant |
| CN113001048A (en) * | 2021-01-28 | 2021-06-22 | 吴春花 | Valve welding and air tightness detection integrated device |
| CN113523695A (en) * | 2021-09-09 | 2021-10-22 | 点夺机电工程江苏有限公司 | Three-way pipe welding equipment with self sealss detect function |
| CN113732544A (en) * | 2021-08-04 | 2021-12-03 | 安徽路安汽车零部件有限公司 | Welding auxiliary device for production and processing of automobile parts |
| CN215546064U (en) * | 2021-07-23 | 2022-01-18 | 开原化工机械容器有限公司 | Automatic welding unit for pressure container |
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- 2023-10-19 CN CN202311354165.4A patent/CN117086529B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014581A (en) * | 2018-09-25 | 2018-12-18 | 无锡汉神电气股份有限公司 | The full-automatic continuous girth welding machine of automotive sealant |
| CN113001048A (en) * | 2021-01-28 | 2021-06-22 | 吴春花 | Valve welding and air tightness detection integrated device |
| CN215546064U (en) * | 2021-07-23 | 2022-01-18 | 开原化工机械容器有限公司 | Automatic welding unit for pressure container |
| CN113732544A (en) * | 2021-08-04 | 2021-12-03 | 安徽路安汽车零部件有限公司 | Welding auxiliary device for production and processing of automobile parts |
| CN113523695A (en) * | 2021-09-09 | 2021-10-22 | 点夺机电工程江苏有限公司 | Three-way pipe welding equipment with self sealss detect function |
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