CN110773848A - Energy accumulator fixing and inflating welding device - Google Patents
Energy accumulator fixing and inflating welding device Download PDFInfo
- Publication number
- CN110773848A CN110773848A CN201911115882.5A CN201911115882A CN110773848A CN 110773848 A CN110773848 A CN 110773848A CN 201911115882 A CN201911115882 A CN 201911115882A CN 110773848 A CN110773848 A CN 110773848A
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- air chamber
- welding
- flange
- chamber shell
- electrode tip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention relates to an energy accumulator fixing and inflating welding device which comprises a flange assembly, an air chamber shell, an energy accumulator positioning piece, a welding mechanism and a base. The flange assembly comprises an inflatable flange and an upper flange, the inflatable flange is mounted on the side wall of the air chamber shell, the upper flange is mounted on the base in a sealing mode, the middle of the upper flange is provided with a linear bearing, the air chamber shell is mounted on the upper flange in a sealing mode, the top end of the air chamber shell is provided with an air chamber sealing cover, a channel is formed in the air chamber shell, a through hole is formed in the middle of the air chamber sealing cover, and the top of the welding mechanism is located in a cavity of the air chamber shell to complete welding. The welding head of the energy accumulator can be ensured to be always opposite to the welding screw in the welding process, and the product percent of pass, the production efficiency and the product quality are improved. The condition that welding seams are uneven and cracks are even caused by overlarge heat affected zones of welding parts due to conventional arc welding is avoided.
Description
Technical Field
The invention relates to an energy accumulator fixing and inflating welding device, which is particularly suitable for welding and mounting a diaphragm type high-pressure energy accumulator and belongs to the technical field of processing and mounting of energy accumulators.
Background
An accumulator is a hydraulic device that stores energy, typically used in a hydraulic system. It can maintain the pressure of the system, absorb pressure impact and pressure pulsation and store energy. With the rapid development of the fluid hydraulic industry in China, the demand for energy accumulators of different types is increasing continuously. The traditional energy accumulator is installed in a threaded connection mode, so that the volume of the energy accumulator is overlarge, and the machining efficiency is low due to the fact that devices used for machining are slow in clamping and difficult in instrument replacement. In order to reduce the production cost and the production difficulty of the energy accumulator, and simultaneously consider the factors of ensuring the installation and connection strength of the energy accumulator, the air tightness of an air chamber, the concentricity of screws and the like, the energy accumulator is generally sealed by welding the screws at present.
The existing mode for welding the screw has the defects that: the alignment between the air hole reserved at the bottom of the energy accumulator and the welding screw cannot be ensured in the clamping process, and the welding quality cannot be ensured; meanwhile, welding in a sealed environment cannot be guaranteed, and certain potential safety hazards also exist when the energy accumulator is inflated. In addition, the welding process of the welding head of the common energy accumulator is very complicated, and often needs several working procedures, so that the efficiency is improved compared with the production of a non-welding energy accumulator, but the improved space is limited.
Disclosure of Invention
The invention aims to solve the technical problem of providing an energy accumulator fixing and inflating welding device which can realize the positioning of an energy accumulator in the clamping process and ensure the centering between a welding head reserved at the bottom of the energy accumulator and a welding screw.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
an energy accumulator fixed inflation welding device comprises a flange assembly, a vertical hollow air chamber shell, an energy accumulator positioning piece, a welding mechanism and a base,
the flange component comprises an inflatable flange and an upper flange, the inflatable flange is arranged on the side wall of the air chamber shell, the upper flange is hermetically arranged on the base, the middle part of the upper flange is provided with an upper flange hole, a linear bearing is arranged in the upper flange hole,
the air chamber shell is hermetically arranged on the upper flange, the top end of the air chamber shell is hermetically provided with an air chamber sealing cover, the air chamber shell is provided with a channel for communicating the interior of the air chamber shell with the inflatable flange, the middle part of the air chamber sealing cover is provided with a through hole,
the welding mechanism comprises a welding nail rod, a ceramic ring, an electrode tip guide piece, an electrode tip connecting piece and an electrode tip which are sequentially arranged from bottom to top,
the middle part of the base is provided with a base hole, the welding nail rod penetrates through the base hole from bottom to top and is vertically installed in the upper flange hole through the linear bearing, the top of the welding nail rod is located in the cavity of the air chamber shell, and the electrode tip is located right below the through hole.
The working principle of the energy accumulator fixed gas-filled welding device is that when welding is to be carried out, the energy accumulator is in contact with the gas chamber sealing cover, and the gas hole reserved at the bottom of the energy accumulator is opposite to the through hole in the middle of the gas chamber sealing cover. Welding mechanism passes from base and upper flange center, and the welding nail pole passes through linear bearing and installs at last flange downthehole, and the reciprocating motion that can be steady from top to bottom through linear bearing's cooperation welding nail pole realizes that the electrode tip is along vertical direction all the time at the in-process that reciprocates. The gas enters the upper flange, the air chamber shell and the air chamber sealing cover through the gas charging flange and the channel to form a cavity, and enters the energy accumulator cavity from the cavity through the gas hole reserved at the bottom of the energy accumulator. During welding, the welding nail is placed on the electrode head, and the welding nail rod is adjusted to enable the welding nail to penetrate through the through hole in the middle of the air chamber sealing cover to be in contact with the air hole reserved in the bottom of the energy accumulator and complete welding. The electrode tip is positioned right below the through hole in the middle of the air chamber sealing cover, so that the welding nail, the through hole in the air chamber sealing cover and the air hole reserved at the bottom of the energy accumulator are always positioned on the same straight line, and the centering between the welding head of the energy accumulator and the welding nail is realized.
Preferably, the energy storage positioning piece is a vertical hollow cylinder piece, is sleeved on the periphery of the air chamber sealing cover, and the inner diameter of the energy storage positioning piece is matched with the shape and the size of the energy storage.
Preferably, for the removal of messenger's welding nail pole is more steady, the flange subassembly still includes lower sealing flange and flange, sealing flange seal mounting is in the bottom of last flange, flange seal mounting is in the bottom of lower sealing flange, and the round hole that supplies to weld the nail pole and pass is all seted up at the middle part of lower sealing flange and flange, welds and realizes sealing through the sealing washer between nail pole and two round holes respectively. The sealing ring is arranged to ensure the gas pressure of the energy accumulator in the process of charging.
Preferably, the top end of the electrode tip guide piece is provided with a circle of convex edge, the electrode tip connecting piece is a frame body with an opening at the bottom, the electrode tip connecting piece is matched with the convex edge through the opening at the bottom, and a pressure spring is installed between the top end of the electrode tip guide piece and the electrode tip connecting piece. The damage of parts of the energy accumulator caused by the hard contact of the welding nail rod and the energy accumulator can be prevented by installing the pressure spring.
Preferably, the side wall of the air chamber shell is further hermetically provided with a welding nail rod charging end cover, and a second channel is formed in the position, corresponding to the welding nail rod charging end cover, of the air chamber shell. The welding rod charging end cover is used for leading in a welding power wire.
Preferably, in order to connect a gas source conveniently, high-pressure gas is transmitted into the cavity of the air chamber shell, and the circumferential surface of the inflation flange is of an external thread structure.
Preferably, the cavity of the air chamber shell is a cylindrical cavity.
Preferably, in order to realize the sealing performance of the joint of the air chamber sealing cover and the energy accumulator, a sealing ring is installed at the top of the air chamber sealing cover.
Preferably, the accumulator fixing and gas-filling welding device can be arranged on a press machine and used together with the press machine. The energy accumulator is pressed on the sealing ring at the upper part of the air chamber sealing cover through the pressure generated by the press machine, so that the gas leakage is prevented to ensure the working pressure.
Compared with the prior art, the invention has the beneficial effects that:
1. the welding method can ensure that the air hole reserved at the bottom of the energy accumulator is always opposite to the welding screw in the welding process, improves the welding quality, and improves the product qualification rate, the production efficiency and the product quality of the energy accumulator. The problem of overlarge volume of the energy accumulator caused by a threaded connection mode is avoided, and the installation process is simplified.
2. The invention utilizes the short arc stud welding mode to seal the gas charging port, thereby reducing the conditions of uneven welding seams, even cracks and the like caused by overlarge heat affected zone of the welding part due to the conventional arc welding, avoiding the condition of cost increase in the manufacturing process of the energy accumulator caused by welding failure, and saving the production cost.
3. The welding method is used for welding after the accumulator is charged, so that potential safety hazards in the welding process in the prior art are reduced.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a cross-sectional view of a preferred embodiment of the present invention.
FIG. 3 is a partial structural view of a nail shank and associated components in accordance with a preferred embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. The objects, aspects and advantages of the present invention will become more apparent from the following description. It should be understood that the described embodiments are preferred embodiments of the invention, and not all embodiments.
Referring to fig. 1 to 3, the accumulator fixing and gas-filling welding device of the present embodiment includes a flange assembly, a vertical hollow air chamber housing 17, an accumulator positioning member 2, a welding mechanism, and a base 5.
The flange assembly comprises an inflatable flange 3 and an upper flange 4, the inflatable flange 3 is installed on the side wall of the air chamber shell 17, the upper flange 4 is installed on the base 5 in a sealing mode, an upper flange hole 4a is formed in the middle of the upper flange 4, a linear bearing 9 is installed in the upper flange hole 4a, and the linear bearing is used for bearing a welding nail rod 6 in a welding mechanism. The flange assembly further comprises a lower sealing flange 7 and a connecting flange 8, the sealing flange 7 is hermetically mounted at the bottom of the upper flange 4 through a sealing ring, the connecting flange 8 is hermetically mounted at the bottom of the lower sealing flange 7 through the sealing ring, the middle parts of the lower sealing flange 7 and the connecting flange 8 are provided with round holes A for the welding nail rods 6 to pass through, and the welding nail rods 6 and the two round holes A are sealed through the sealing rings 18 respectively. The provision of the sealing ring 18 is advantageous to ensure the gas pressure of the accumulator during inflation.
The air chamber shell 17 is hermetically arranged on the upper flange 4, the top end of the air chamber shell 17 is hermetically provided with an air chamber sealing cover 15, the air chamber shell 17 is provided with a channel 17a for communicating the interior of the air chamber shell with the inflatable flange 3, and the middle part of the air chamber sealing cover 15 is provided with a through hole 15 a. As a preferential mode of the embodiment, the side wall of the air chamber housing 17 is further hermetically mounted with a welding nail rod charging end cover 10, and a second channel 17b is formed at the position of the air chamber housing 17 corresponding to the welding nail rod charging end cover 10. The shank charging end cap 10 is used to introduce the welding power cord.
The welding mechanism comprises a welding nail rod 6, a porcelain ring 11, an electrode tip guide 12, an electrode tip connecting piece 13 and an electrode tip 14 which are sequentially arranged from bottom to top.
A base hole 5a is formed in the middle of the base 5, the welding nail rod 6 penetrates through the base hole 5a from bottom to top and is vertically installed in the upper flange hole 4a through the linear bearing 9, the top of the welding nail rod 6 is located in a cavity of the air chamber shell 17, and the electrode tip 14 is located right below the through hole 15 a. In this embodiment, the top end of the electrode tip guide 12 has a circle of convex edge 12a, the electrode tip 13 is a frame with an open bottom, the electrode tip 13 is matched with the convex edge 12a through the open bottom, and a compression spring 16 is installed between the top end of the electrode tip guide 12 and the electrode tip 13. The installation of the compression spring 16 prevents the weld shank 6 from making hard contact with the energy accumulator 1 and causing damage to the components of the energy accumulator.
In this embodiment, energy storage ware setting element 2 adopts vertical hollow cylinder spare, and the cover is established in the periphery of the sealed lid 15 of air chamber, energy storage ware setting element 2's internal diameter matches energy storage ware 1 shape size to realize the adaptation of this energy storage ware fixed welding set of aerifing to different energy storage ware models, reduce the equipment type, reduction in production cost.
In the embodiment, in order to facilitate connection of the gas source, the circumferential surface of the inflation flange 3 in the cavity of the gas chamber housing for transmitting the high-pressure gas is preferably in an external thread structure.
In the embodiment, in order to realize the sealing performance of the connection part of the air chamber sealing cover 15 and the energy accumulator, a sealing ring 18 is installed at the top part of the air chamber sealing cover 15.
In this embodiment, the accumulator fixing and gas-filling welding device can be arranged on a press machine and used together with the press machine. The energy accumulator is pressed on the sealing ring at the upper part of the air chamber sealing cover through the pressure generated by the press machine, so that the gas leakage is prevented to ensure the working pressure.
The working principle of the energy accumulator fixed gas-filled welding device is that when welding is to be carried out, the energy accumulator 1 is in contact with the gas chamber sealing cover 15, and the gas hole reserved at the bottom of the energy accumulator is opposite to the through hole 15a in the middle of the gas chamber sealing cover. Welding mechanism passes in proper order from base 5, lower flange 7, sealing flange 8 and upper flange 4, and the welding nail pole 6 passes through linear bearing 9 and vertically installs in upper flange hole 4a, and the cooperation welding nail pole 6 through linear bearing 9 can be steady reciprocating motion from top to bottom, realizes that electrode tip 14 is along vertical direction all the time at the in-process that reciprocates. The gas enters a columnar cavity formed among the upper flange 4, the air chamber shell 17 and the air chamber sealing cover 15 through the gas charging flange 3 and the channel 17a, and enters the energy accumulator cavity from the cavity through a gas hole reserved at the bottom of the energy accumulator. During welding, a welding nail is placed on the electrode tip 14, and the welding nail rod 6 is adjusted to enable the welding nail to penetrate through the through hole 15a in the middle of the air chamber sealing cover 15 to be in contact with the bottom of the energy accumulator 1 and complete welding. Because the electrode head 14 is positioned right below the through hole 15a in the middle of the air chamber sealing cover, the welding nail, the through hole 15a on the air chamber sealing cover and the air hole reserved at the bottom of the energy accumulator are always positioned on the same straight line, and the centering between the welding head of the energy accumulator and the welding nail is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and it is obvious that any person skilled in the art can easily conceive of alternative or modified embodiments based on the above embodiments and these should be covered by the present invention.
Claims (9)
1. The utility model provides a welding set is aerifyd in energy storage ware is fixed which characterized in that:
comprises a flange component, a vertical hollow air chamber shell, an energy accumulator positioning piece, a welding mechanism and a base,
the flange component comprises an inflatable flange and an upper flange, the inflatable flange is arranged on the side wall of the air chamber shell, the upper flange is hermetically arranged on the base, the middle part of the upper flange is provided with an upper flange hole, a linear bearing is arranged in the upper flange hole,
the air chamber shell is hermetically arranged on the upper flange, the top end of the air chamber shell is hermetically provided with an air chamber sealing cover, the air chamber shell is provided with a channel for communicating the interior of the air chamber shell with the inflatable flange, the middle part of the air chamber sealing cover is provided with a through hole,
the welding mechanism comprises a welding nail rod, a ceramic ring, an electrode tip guide piece, an electrode tip connecting piece and an electrode tip which are sequentially arranged from bottom to top,
the middle part of the base is provided with a base hole, the welding nail rod penetrates through the base hole from bottom to top and is vertically installed in the upper flange hole through the linear bearing, the top of the welding nail rod is located in the cavity of the air chamber shell, and the electrode tip is located right below the through hole.
2. The accumulator fixed gas-filled welding device according to claim 1, wherein:
the energy storage positioning piece is a vertical hollow cylindrical piece and is sleeved on the periphery of the air chamber sealing cover, and the inner diameter of the energy storage positioning piece is matched with the shape and the size of the energy storage.
3. The accumulator fixed gas-filled welding device according to claim 1, wherein:
the flange assembly further comprises a lower sealing flange and a connecting flange, the sealing flange is mounted at the bottom of the upper flange in a sealing mode, the connecting flange is mounted at the bottom of the lower sealing flange in a sealing mode, round holes for the welding nail rods to penetrate through are formed in the middle of the lower sealing flange and the middle of the connecting flange, and the welding nail rods and the two round holes are sealed through sealing rings respectively.
4. The accumulator fixed gas-filled welding device according to claim 1, wherein:
the top of electrode tip guide has round protruding edge, the electrode tip even piece is bottom open-ended framework, and the electrode tip even piece cooperatees through the opening and the protruding edge of bottom, installs the pressure spring between the top of electrode tip guide and the electrode tip even piece.
5. The accumulator fixed gas-filled welding device according to claim 1, wherein:
and the side wall of the air chamber shell is also provided with a welding nail rod charging end cover in a sealing manner, and a second channel is formed in the position, corresponding to the welding nail rod charging end cover, of the air chamber shell.
6. The accumulator fixed gas-filled welding device according to claim 1, wherein:
the circumferential surface of the inflatable flange is of an external thread structure.
7. The accumulator fixed gas-filled welding device according to claim 1, wherein:
the cavity of the air chamber shell is a columnar cavity.
8. The accumulator fixed gas-filled welding device according to claim 1, wherein:
and a sealing ring is arranged at the top of the air chamber sealing cover.
9. The accumulator fixed gas-filled welding device according to any one of claims 1 to 8, wherein:
the energy accumulator fixing and inflating welding device can be arranged on a press machine and used in cooperation with the press machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911115882.5A CN110773848A (en) | 2019-11-14 | 2019-11-14 | Energy accumulator fixing and inflating welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911115882.5A CN110773848A (en) | 2019-11-14 | 2019-11-14 | Energy accumulator fixing and inflating welding device |
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| Publication Number | Publication Date |
|---|---|
| CN110773848A true CN110773848A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911115882.5A Pending CN110773848A (en) | 2019-11-14 | 2019-11-14 | Energy accumulator fixing and inflating welding device |
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| CN105618908A (en) * | 2016-03-30 | 2016-06-01 | 胡长建 | Automatic welding gun for realizing arc stud welding of T-shaped welding stud |
| CN106735808A (en) * | 2017-01-13 | 2017-05-31 | 捷映凯电子（昆山）有限公司 | High-voltage DC contactor welding procedure and its special resistors welding equipment |
| CN108581162A (en) * | 2018-07-02 | 2018-09-28 | 广东百花电器有限公司 | a kind of automatic compensation type resistance welding electrode structure |
| CN209503201U (en) * | 2018-11-06 | 2019-10-18 | 武汉凯奇冶金焊接设备制造有限责任公司 | Bottom electrode assembly for welding machine |
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2019
- 2019-11-14 CN CN201911115882.5A patent/CN110773848A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202137514U (en) * | 2011-05-21 | 2012-02-08 | 烟台中瑞汽车零部件有限公司 | Lower electrode for projection welding of screws |
| CN202174337U (en) * | 2011-07-19 | 2012-03-28 | 奇瑞汽车股份有限公司 | Lower electrode tip with cooling deslagging device |
| CN202240134U (en) * | 2011-08-18 | 2012-05-30 | 成都九鼎科技(集团)有限公司 | Two-piece projection welding floating device |
| CN202240993U (en) * | 2011-09-09 | 2012-05-30 | 刘瑞川 | Special clamp device for inflatable welding screw of energy accumulator |
| CN104759751A (en) * | 2015-04-15 | 2015-07-08 | 中国科学院福建物质结构研究所 | Vacuum/atmosphere welding device and method capable of conducting continuous feeding work |
| CN104772573A (en) * | 2015-04-22 | 2015-07-15 | 沈阳航天新光集团有限公司 | Gas welding sealing process of 60 MPa ultrahigh-pressure cylinder |
| CN105618908A (en) * | 2016-03-30 | 2016-06-01 | 胡长建 | Automatic welding gun for realizing arc stud welding of T-shaped welding stud |
| CN106735808A (en) * | 2017-01-13 | 2017-05-31 | 捷映凯电子（昆山）有限公司 | High-voltage DC contactor welding procedure and its special resistors welding equipment |
| CN108581162A (en) * | 2018-07-02 | 2018-09-28 | 广东百花电器有限公司 | a kind of automatic compensation type resistance welding electrode structure |
| CN209503201U (en) * | 2018-11-06 | 2019-10-18 | 武汉凯奇冶金焊接设备制造有限责任公司 | Bottom electrode assembly for welding machine |
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Application publication date: 20200211 |
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| RJ01 | Rejection of invention patent application after publication |