CN112705899B - High-frequency welding assembly line of air conditioner liquid adding valve - Google Patents
High-frequency welding assembly line of air conditioner liquid adding valve Download PDFInfo
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- CN112705899B CN112705899B CN202011502464.4A CN202011502464A CN112705899B CN 112705899 B CN112705899 B CN 112705899B CN 202011502464 A CN202011502464 A CN 202011502464A CN 112705899 B CN112705899 B CN 112705899B
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- fixed
- workbench
- heating section
- horizontal heating
- chain
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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
- 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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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
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/12—Copper or alloys thereof
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Induction Heating (AREA)
Abstract
A high-frequency welding assembly line of an air conditioner liquid adding valve comprises a rack, wherein a workbench is arranged on the upper portion of the rack, mounting grooves are formed in two sides of the workbench, bearing seats are fixed on the mounting grooves, a rotating shaft is rotatably connected between the bearing seats, a gear disc is fixed on the rotating shaft and driven by an output shaft of a motor and is positioned in the mounting grooves, a chain is connected between the two gear discs and is positioned on two sides of the workbench, a plurality of insulating plates are fixed on the chain, a support is fixed on the insulating plates, a limiting circular tube is arranged on the support, the outer diameter of the limiting circular tube is matched with the inner diameter of a joint, the aperture of the limiting circular tube is matched with the size of an ejector pin of a valve inside, and a high-frequency heating machine, a plurality of lower guide plates, a plurality of upper guide wheel assemblies and a heating coil assembly are fixed on the workbench; the upper guide wheel assemblies are positioned on two sides of the chain, and the welding efficiency and quality of the liquid adding valve can be obviously improved.
Description
Technical Field
The invention relates to a liquid adding valve welding assembly line, in particular to a high-frequency welding assembly line of an air conditioner liquid adding valve.
Background
When the air conditioner is operated, a refrigerant (refrigerant) circulates through each pipe of the cooling (or heating) system to cool (or heat). Since there may be cracks or damages in the pipes of the refrigeration system, especially in the welded joints or joint connections of the pipes, the refrigerant may leak from the refrigeration cycle pipe, and the normal operation of the air conditioner may be affected due to the decrease of the refrigerant in the refrigeration cycle pipe due to the leakage. Therefore, once the refrigerant content in the refrigeration system is too low, the refrigerant must be replenished to the air conditioning refrigeration system through the liquid adding device.
The liquid adding joint for the air conditioner in the prior art is namely a liquid adding valve which is arranged on air conditioning equipment and is used for connecting a liquid adding device to supplement refrigerant, and comprises a copper pipe and a joint, wherein the joint is welded with the copper pipe, the joint is provided with an inner thread and an outer thread, and the inner thread is screwed with a valve inside.
The existing liquid adding valve welds the joint and the copper pipe by hand, the yield of 3-4 workers per day is about 10000, and the production efficiency of the liquid adding valve is greatly limited.
Disclosure of Invention
In view of the above, the invention aims to provide a high-frequency welding assembly line of an air conditioner liquid adding valve, which comprises a frame, a workbench is arranged at the upper part of the machine frame, mounting grooves are arranged at two sides of the workbench, bearing seats are fixed on the mounting grooves, a rotating shaft is rotatably connected between the bearing blocks, a gear disc is fixed on the rotating shaft and driven by an output shaft of a motor, the gear discs are positioned in the mounting groove, a chain is connected between the two gear discs and positioned at two sides of the workbench, a plurality of insulating plates are fixed on the chain, a support is fixed on the insulating plates, a limiting circular tube is arranged on the support, the outer diameter of the limiting circular tube is matched with the inner diameter of the joint, the aperture of the limiting circular tube is matched with the size of the thimble of the valve core, a high-frequency heating machine, a plurality of lower guide plates, a plurality of upper guide wheel assemblies and a heating coil assembly are fixed on the workbench;
the upper guide wheel assembly is positioned at two sides of the chain and comprises an L-shaped fixed rod, first strip-shaped holes are formed in a transverse rod body and a vertical rod body of the L-shaped fixed rod, a bolt penetrates through the first strip-shaped holes in the transverse rod body and is fixedly connected with the workbench, a connecting rod is inserted into the first strip-shaped hole of the vertical rod body and is fixedly connected with the vertical rod body through the bolt, the end part of the connecting rod is fixedly connected with an inner ring of a bearing, and an outer ring of the bearing is pressed on an insulating plate;
heating coil assembly includes heating coil body, heating coil body one end is connected with the high-frequency heating machine, heating coil body both ends are equipped with the vertical bending section of first vertical bending section and second respectively, are equipped with the horizontal heating section between the vertical bending section of first vertical bending section and second, first thermoblock is worn to establish by the horizontal heating section, first thermoblock presses and establishes on the bracing piece, the bracing piece passes through bolt and workstation fixed connection, be fixed with a plurality of stands on the workstation, the chain both sides are located to the stand symmetry, the second bar hole has been seted up on the stand, wear to be equipped with the screw rod in the second bar hole, the screw rod is fixed downtheholely at the bar through two nuts, the screw rod end fixing has the second thermoblock, the second thermoblock supports at the parallel heating section lateral part.
As a further improvement of the above scheme:
preferably, the horizontal heating section comprises a first horizontal heating section and a second horizontal heating section, the space of the first horizontal heating section is matched with the joint, and the space of the second horizontal heating section is matched with the size of the copper pipe.
Preferably, a vertical connecting section is arranged between the first horizontal heating section and the second horizontal heating section, and the first horizontal heating section is lower than the second horizontal heating section.
Preferably, the lower guide plates are positioned at two sides of the chain, and the upper parts of the lower guide plates are in contact with the lower surfaces of the insulating plates.
Compared with the prior art, the invention has the following beneficial effects:
1. the support passes through the first horizontal heating section when entering the hot coil assembly, the first horizontal heating section is flush with a joint at the lower part of the liquid adding valve, the joint at the lower part of the liquid adding valve is heated firstly, at the moment, the contact part of the welding ring and the joint begins to melt and is connected with the joint, then the support passes through the second horizontal heating section, the height of the second horizontal heating section is equal to that of the lower part of the copper pipe, the copper pipe is heated later, at the moment, the contact part of the welding ring and the copper pipe begins to melt and is connected with the joint, and the welding surface is more uniform through fractional welding, so that the welding effect can be improved;
2. the copper pipe sleeve is firstly sleeved on the joint, then the welding ring is sleeved on the copper pipe, the joint is made of brass, the copper pipe is made of red copper, the brass joint is thick, the red copper pipe is thin, the sleeved liquid adding valve is inserted on the support, the valve inside on the joint is inserted into the limiting round hole at the moment, the motor drives the chain to rotate, the insulating plate and the support on the chain also rotate along with the chain, and only the sleeved liquid adding valve is required to be placed on the support to be automatically welded, so that the welding efficiency of the liquid adding valve can be effectively improved.
Drawings
FIG. 1 is a right view structural diagram of the present invention.
Fig. 2 is a left side view structural diagram of the present invention.
Fig. 3 is a front view structural diagram of the present invention.
Fig. 4 is a structural view of a horizontal heating section.
Fig. 5 is a structure view of a charging valve.
Fig. 6 is an exploded view of the charging valve.
Reference numerals: 1. a high-frequency heater; 2. a hot coil body; 3. a second vertical bend section; 4. a second insulation block; 5. a screw; 6. a connecting rod; 7. an L-shaped fixing rod; 8. a first bar-shaped hole; 9. a second bar-shaped hole; 10. a column; 11. a support bar; 12. a work table; 13. a bearing seat; 14. a gear plate; 15. an insulating plate; 16. a support; 17. a limiting circular tube; 18. a motor; 19. a first vertical bend section; 20. a copper pipe; 21. Welding a ring; 22. a joint; 23. a first horizontal heating section; 24. a vertical connecting section; 25. a second horizontal heating section.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
As shown in fig. 1-6, a high frequency welding assembly line of air conditioner liquid feeding valve, includes the frame, frame upper portion is equipped with workstation 12, the mounting groove has been seted up to workstation 12 both sides, be fixed with bearing frame 13 on the mounting groove, it is connected with the pivot to rotate between the bearing frame 13, be fixed with toothed disc 14 in the pivot, toothed disc 14 is driven by the output shaft of motor 18, toothed disc 14 is located the mounting groove, is connected with the chain between two toothed disc 14, the chain is located workstation 12 both sides, be fixed with a plurality of insulation boards 15 on the chain, be fixed with support 16 on the insulation board 15, be equipped with spacing pipe 17 on the support 16, spacing pipe 17 external diameter and the internal diameter adaptation that connects 22, the aperture of spacing pipe 17 and the thimble size adaptation of valve core, be fixed with high frequency heater 1 on workstation 12, high frequency heater 1, A plurality of lower guide plates, a plurality of upper guide wheel assemblies and a heating coil assembly;
the upper guide wheel assembly is positioned at two sides of the chain and comprises an L-shaped fixed rod 7, first strip-shaped holes 8 are formed in a transverse rod body and a vertical rod body of the L-shaped fixed rod 7, a bolt penetrates through the first strip-shaped holes 8 in the transverse rod body and is fixedly connected with a workbench 12, a connecting rod 6 is inserted into the first strip-shaped hole 8 in the vertical rod body, the connecting rod 6 is fixedly connected with the vertical rod body through the bolt, the end part of the connecting rod 6 is fixedly connected with an inner ring of a bearing, and an outer ring of the bearing is pressed on an insulating plate 15;
the heating coil assembly comprises a heating coil body 2, one end of the heating coil body 2 is connected with a high-frequency heater 1, a first vertical bending section 19 and a second vertical bending section 3 are respectively arranged at the two ends of the heating coil body 2, a horizontal heating section is arranged between the first vertical bending section 19 and the second vertical bending section 3, the horizontal heating section is penetrated through a first heat insulation block which is pressed on the support bar 11, the support rod 11 is fixedly connected with a workbench 12 through bolts, a plurality of upright posts 10 are fixed on the workbench 12, the upright posts 10 are symmetrically arranged at two sides of the chain, the upright posts 10 are provided with second strip-shaped holes 9, a screw rod 5 is arranged in the second strip-shaped hole 9 in a penetrating way, the screw rod 5 is fixed in the strip-shaped hole through two nuts, and a second heat insulation block 4 is fixed at the end part of the screw rod 5, and the second heat insulation block 4 abuts against the side part of the parallel heating section.
The horizontal heating section comprises a first horizontal heating section 23 and a second horizontal heating section 25, the distance between the first horizontal heating section 23 and the joint 22 is matched, and the distance between the second horizontal heating section 25 and the size of the copper pipe 20 is matched.
A vertical connecting section 24 is arranged between the first horizontal heating section 23 and the second horizontal heating section 25, and the first horizontal heating section 23 is lower than the second horizontal heating section 25.
The lower guide plates are positioned on two sides of the chain, and the upper parts of the lower guide plates are in contact with the lower surface of the insulating plate 15.
The working principle of the invention is as follows: firstly, a copper pipe 20 is sleeved on a joint 22, then a welding ring is sleeved on the copper pipe 20, the joint 22 is made of brass, the copper pipe 20 is made of red copper, the brass joint 22 is thick, the red copper pipe 20 is thin, a sleeved liquid charging valve is inserted on a support 16, a valve inside on the joint 22 is inserted into a limiting circular hole at the moment, a motor 18 drives a chain to rotate, an insulating plate 15 and the support 16 on the chain also rotate along with the chain, the support 16 passes through a first horizontal heating section 23 when entering a hot coil assembly, the first horizontal heating section 23 is leveled with the joint 22 at the lower part of the liquid charging valve, the joint 22 at the lower part of the liquid charging valve is heated at first, the part of the welding ring, which is in contact with the joint 22, begins to be connected with the joint 22, then the support 16 passes through a second horizontal heating section 25, the second horizontal heating section 25 is level with the lower part of the copper pipe 20, the copper pipe 20 is heated later, the part of the welding ring, and the part of the copper pipe 20 begins to be melted and is connected with the joint 22, the welding of subsection makes the face of weld more even to can improve the welding effect, just need place the liquid feeding valve that the cover was established on support 16 just can automatic weld, thereby can effectively improve liquid feeding valve welding efficiency.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the claims of the present invention should not be limited by the above-mentioned embodiments, because the modifications, equivalent variations, improvements, etc. made in the claims of the present invention still fall within the scope of the present invention.
Claims (2)
1. The utility model provides a high frequency of air conditioner liquid feeding valve welds assembly line, includes the frame, its characterized in that: a workbench is arranged at the upper part of the machine frame, mounting grooves are arranged at two sides of the workbench, bearing seats are fixed on the mounting grooves, a rotating shaft is rotatably connected between the bearing blocks, a gear disc is fixed on the rotating shaft and driven by an output shaft of a motor, the gear discs are positioned in the mounting groove, a chain is connected between the two gear discs and positioned at two sides of the workbench, a plurality of insulating plates are fixed on the chain, a support is fixed on the insulating plates, a limiting circular tube is arranged on the support, the outer diameter of the limiting circular tube is matched with the inner diameter of the joint, the aperture of the limiting circular tube is matched with the size of the thimble of the valve core, a high-frequency heater, a plurality of lower guide plates, a plurality of upper guide wheel assemblies and a heating coil assembly are fixed on the workbench, the lower guide plates are positioned at two sides of the chain, and the upper parts of the lower guide plates are in contact with the lower surface of the insulating plate;
the upper guide wheel assembly is positioned at two sides of the chain and comprises an L-shaped fixed rod, first strip-shaped holes are formed in a transverse rod body and a vertical rod body of the L-shaped fixed rod, a bolt penetrates through the first strip-shaped holes in the transverse rod body and is fixedly connected with the workbench, a connecting rod is inserted into the first strip-shaped hole of the vertical rod body and is fixedly connected with the vertical rod body through the bolt, the end part of the connecting rod is fixedly connected with an inner ring of a bearing, and an outer ring of the bearing is pressed on an insulating plate;
the heating coil assembly comprises a heating coil body, one end of the heating coil body is connected with a high-frequency heating machine, a first vertical bending section and a second vertical bending section are respectively arranged at two ends of the heating coil body, a horizontal heating section is arranged between the first vertical bending section and the second vertical bending section, a first heat insulation block penetrates through the horizontal heating section, the first heat insulation block is pressed on a support rod, the support rod is fixedly connected with a workbench through bolts, a plurality of stand columns are fixed on the workbench, the stand columns are symmetrically arranged at two sides of a chain, second strip-shaped holes are formed in the stand columns, screw rods penetrate through the second strip-shaped holes, the screw rods are fixed in the strip-shaped holes through two nuts, a second heat insulation block is fixed at the end parts of the screw rods, and the second heat insulation block abuts against the side parts of the parallel heating sections;
the horizontal heating section comprises a first horizontal heating section and a second horizontal heating section, the distance between the first horizontal heating section and the joint is matched, and the distance between the second horizontal heating section and the size of the copper pipe are matched.
2. The high-frequency welding assembly line of the air conditioner liquid adding valve according to claim 1, characterized in that: and a vertical connecting section is arranged between the first horizontal heating section and the second horizontal heating section, and the first horizontal heating section is lower than the second horizontal heating section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011502464.4A CN112705899B (en) | 2020-12-18 | 2020-12-18 | High-frequency welding assembly line of air conditioner liquid adding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011502464.4A CN112705899B (en) | 2020-12-18 | 2020-12-18 | High-frequency welding assembly line of air conditioner liquid adding valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112705899A CN112705899A (en) | 2021-04-27 |
| CN112705899B true CN112705899B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011502464.4A Active CN112705899B (en) | 2020-12-18 | 2020-12-18 | High-frequency welding assembly line of air conditioner liquid adding valve |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59110470A (en) * | 1982-12-17 | 1984-06-26 | Hitachi Constr Mach Co Ltd | Device and method for automatic welding |
| JP2007142343A (en) * | 2005-11-22 | 2007-06-07 | Toyota Industries Corp | Soldering equipment and soldering method |
| CN102601508B (en) * | 2012-03-12 | 2015-01-07 | 宁波北仑翰鑫新能源科技有限公司 | Processing machine for inner tube supports of heat collecting tubes |
| CN203076782U (en) * | 2012-07-09 | 2013-07-24 | 东莞市玖木通实业有限公司 | Universal serial bus (USB) joint high-frequency automatic welding machine |
| CN108453512A (en) * | 2018-05-10 | 2018-08-28 | 厦门鑫河精密科技股份有限公司 | High-frequency welder |
| CN211489996U (en) * | 2019-12-31 | 2020-09-15 | 苏州宏创高频加热设备有限公司 | Chain type ultrahigh frequency welding equipment |
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2020
- 2020-12-18 CN CN202011502464.4A patent/CN112705899B/en active Active
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| CN112705899A (en) | 2021-04-27 |
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