CN107498200A - A kind of electronic throttle valve body, sector gear laser welding frock - Google Patents
A kind of electronic throttle valve body, sector gear laser welding frock Download PDFInfo
- Publication number
- CN107498200A CN107498200A CN201710891635.9A CN201710891635A CN107498200A CN 107498200 A CN107498200 A CN 107498200A CN 201710891635 A CN201710891635 A CN 201710891635A CN 107498200 A CN107498200 A CN 107498200A
- Authority
- CN
- China
- Prior art keywords
- plate
- positioning
- sector gear
- pressing plate
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention is a kind of electric valve valve body, sector gear laser welding frock, including being provided with the clamping part of tb and the locating mounting section of sector gear, clamping part is provided with clamping cylinder, position support plate and pressing plate, sector gear positioning sleeve is provided with above tb, sector gear is sleeved on gear positioning sleeve, positioning set upper side is provided with angle regulator and is inverted the mobile pressing plate of L-type, angle regulator is provided with swivel mount, locating rod and positioning support plate, mobile pressing plate vertical portion and rail plate are engaged, mobile pressing plate vertical portion is provided with positioning cylinder and alignment pin；It is an advantage of the invention that：The assembling of electronic throttle valve body sector gear component laser welding is efficiently accomplished, ensures electronic throttle gate valve sector gear component Laser Welding Quality, improves assembly stability, throttle valve body is reduced and glues door, the ratio of clamping stagnation, so as to improve the qualification rate of product.
Description
Technical field
The present invention relates to electronic air throttle body assembling process technique, particularly a kind of electronic throttle valve body, sector gear
Laser welding frock.
Background technology
The connection of automotive electronics throttle valve body fan-shaped driving gear is a development trend using laser welding, at present the world
Major electronic throttle manufacturer competitively uses laser welding gear, substitute it is traditional snap connection, to improve product in international city
Competitiveness on field.Gear connection can reduce the quantity of part using the technology of welding, and and can improves gear quality of connection, drop
The manufacturing cost of low air throttle.Compared with traditional welding procedure, laser welding gear can avoid without being carried out in vacuum again
Welding deformation, for the gear after welding without finishing again, laser welding can make welding seam deep width ratio be up to 10:1, and commissure has
The suitable or comprehensive mechanical performance better than mother metal, ensure that gear can transmit larger moment of torsion.In order in assembling Production line
Sector gear component and the connection of throttle plate pin of electronic throttle valve body are realized on line, it is correctly assembled in sector gear component
After need in real time to connect it carry out laser welding.A frock that can be suitably used for laser welding is just needed to set under this background
It is standby, at this stage also without a applicable tooling device.
The present invention is to realize the connection of sector gear component using laser welding on electronic throttle assembling line
A kind of frock.This frock is applied to carry out location and installation to electronic throttle valve body sector gear, by electronic throttle door body
Positioning is clamped on clamp body, and sector gear positioning sleeve is adjusted on gear positioning sleeve by the swivel mount and locating rod of top
Sector gear and idle spring are installed in place by the angle of whole sector gear and idle spring, mobile pressing plate, and laser-beam welding machine is just
Sector gear component can be welded.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art, there is provided a kind of electronic throttle valve body, sector gear swash
Photocoagulation frock.
The purpose of the present invention is achieved through the following technical solutions：
A kind of electronic throttle valve body, sector gear laser welding frock, including tb clamp system and sector gear
Installing mechanism, described tb clamp system are arranged on the lower section of sector gear installing mechanism；Described air throttle sheet
Being clamped in body clamp system has tb, and sector gear and idle spring are placed with sector gear installing mechanism；Institute
The gear installing mechanism stated includes mobile pressing plate, swivel mount, and mobile pressing plate includes pressing plate horizontal component and pressing plate in inversion L-type
Vertical portion, is provided with the buffer spring placed vertically below pressing plate horizontal component, and pressing plate vertical portion is fixed on sliding block A
On, sliding block A, which coordinates, to be arranged on rail plate A, and rail plate A is vertically arranged, and pressing plate vertical portion is arranged on rail plate A
Side, positioning support plate A is vertically arranged with rail plate A opposite sides, positioning cylinder unit is fixed with positioning support plate A, positions
Piston-cylinder unit includes positioning cylinder A and positioning cylinder B, and positioning cylinder A output shaft is connected with alignment pin A, and positioning cylinder B's is defeated
Shaft is connected with alignment pin B, and mobile support plate A and pressing plate vertical portion are provided with multiple positioning through hole in the horizontal direction, alignment pin A and
Alignment pin B size is adapted with positioning through hole size；Mounting hole is vertically provided with pressing plate horizontal component, in mounting hole
In be placed with the swingle that can be moved up and down, be provided with rotating handles in the upper end of swingle, the lower end of swingle is through installation
Hole, the lower end of swingle are fixed with gear positioning sleeve, and gear positioning sleeve is set with sector gear, is placed with below sector gear idle
Fast spring, idle spring is corresponding with above and below tb, and positioning support plate B, rotation are fixed with pressing plate horizontal component upper surface
The medium position of bull stick is horizontally disposed jack A, and the activity of being placed with jack B, jack A and jack B is provided with positioning support plate B
Locating rod.
Described swivel mount lower end is provided with positioning convex, and positioning convex is arranged with gear positioning sleeve, and sector gear passes through
Lock-screw 11 is fixed on gear positioning sleeve.
Described positioning support plate B upper ends are fixed with limiting plate, and limited location adjusting screw is set on limiting plate.
Described tb clamp system includes bottom plate, jig plate and clamping cylinder, and jig plate is arranged on bottom plate
On, jig plate is located at immediately below mobile pressing plate, is fixed with clamping cylinder on jig plate side, the output shaft of clamping cylinder is connected with
The positioning pressuring plate being oppositely arranged with jig plate, tb is placed between positioning pressuring plate and jig plate.
Described jig plate sidepiece is placed with angle adjustment plate, and angle adjustment plate sidepiece is placed with perpendicular to jig plate direction
Rail plate B, angle adjustment plate are fixed in slide block B, and slide block B and rail plate B coordinate installation, are horizontally disposed with slide block B
There is a bar perpendicular to rail plate B, parallel direction is placed with angular adjustment cylinder, angular adjustment in rail plate B sides
Cylinder output shaft connects with the bar of slide block B.
Described sliding block A sides are placed with press-in cylinder, and press-in cylinder output shaft is fixed on sliding block A.
Electronic throttle door body is installed and positioned by clamp body, and gear positioning sleeve positioned gear, and swivel mount is by gear
Suitable angle is adjusted to idle spring, gear and idle spring are installed in place by mobile pressing plate A, it is possible to use Laser Welding
Connection device welds to gear.
The present invention has advantages below：
1. the control of the electronic throttle piece anglec of rotation is passed through into angular adjustment cylinder operation driving angle in the range of technological requirement
The angle that the throttle blade of electronic air throttle body is adjusted to require by adjustable plate.
2. being positioned gear by gear positioning sleeve, the angle of swivel mount adjustment gear and idle spring, press-in cylinder drives
Sector gear and idle spring are pressed into valve body by dynamic mobile pressing plate, are effectively assembled gear assembly.
3. it is easy to assembling and the laser welding of electronic throttle valve body sector gear component.
4. control the angle of air throttle is effective must control electronic throttle valve body high idle speed flow by angular adjustment cylinder
Size.
5. the present invention makes product qualification rate bring up to 92%-98% from 87%-92% in actual production.
Brief description of the drawings
Fig. 1 is electronic throttle valve body, sector gear laser welding tool structure schematic diagram；
Fig. 2 is electronic throttle valve body, sector gear laser welding frock overlooking the structure diagram；
Fig. 3 is electronic throttle valve body schematic diagram；
Fig. 4 idle spring structural representations；
In figure, 1- positioning pressuring plates B, 2- bottom plate, 3- clamping cylinders, 4- jig plates, 5- angle adjustment plates, 6- idle springs, 7- fans
Shape gear, 8- gear positioning sleeves, 9- locating rods, 10- swivel mounts, 11- lock-screws, 12- movement pressing plate A, 13- buffer springs,
14- rail plates A, 15- alignment pin A, 16- positioning cylinder unit, 17- alignment pins B, 18- positioning support plate A, 19, rail plate B,
20- angular adjustment cylinders, 21- press-in cylinders, the spacing adjusting screws of 22-, 23- positioning support plate B, 24- sector gear components, 25-
Throttle plate pin, 26- idle springs, 27- tbs.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
State.
As shown in Fig. 1 ~ Fig. 4, a kind of title is electronic throttle valve body, sector gear laser welding frock, including solar term
Door body clamp system and sector gear installing mechanism, described tb clamp system are arranged on sector gear fitting machine
The lower section of structure；Being clamped in described tb clamp system has tb, is placed in sector gear installing mechanism
There are sector gear 7 and idle spring 6；Described gear installing mechanism includes mobile pressing plate A12, swivel mount 10, mobile pressing plate A12
Include pressing plate horizontal component and pressing plate vertical portion in L-type is inverted, be provided with what is placed vertically below pressing plate horizontal component
Buffer spring 13, pressing plate vertical portion are fixed on sliding block A, and sliding block A, which coordinates, to be arranged on rail plate A14, rail plate A14
It is vertically arranged, and pressing plate vertical portion is arranged on rail plate A14 sides, it is fixed to be vertically arranged with rail plate A14 opposite sides
Positioning cylinder unit 16 is fixed with position support plate A18, positioning support plate A18, positioning cylinder unit 16 includes positioning cylinder A and positioning
Cylinder B, positioning cylinder A output shaft are connected with alignment pin A15, and positioning cylinder B output shaft is connected with alignment pin B17, positioning
Support plate A18 and pressing plate vertical portion are provided with multiple positioning through hole in the horizontal direction, alignment pin A15 and alignment pin B17 size with
Positioning through hole size is adapted；Mounting hole is vertically provided with pressing plate horizontal component, being placed with mounting hole can be up and down
Mobile swingle 10, rotating handles is provided with the upper end of swingle 10, and the lower end of swingle 10 passes through mounting hole, swingle
10 lower end is fixed with gear positioning sleeve 8, and gear positioning sleeve 8 is set with sector gear 7, and the lower section of sector gear 7 is placed with idling
Spring 6, idle spring 6 is corresponding with above and below tb, and positioning support plate B23 is fixed with pressing plate horizontal component upper surface,
The medium position of swingle 10 is horizontally disposed jack A, is provided with jack B, jack A and jack B and is placed with positioning support plate B23
The locating rod 9 of activity.
The described lower end of swivel mount 10 is provided with positioning convex, and positioning convex is arranged with gear positioning sleeve 8, sector gear 7
It is fixed on by lock-screw 11 on gear positioning sleeve 8.
Described positioning support plate B23 upper ends are fixed with limiting plate, and limited location adjusting screw 22 is set on limiting plate.
Described tb clamp system includes bottom plate 2, jig plate 4 and clamping cylinder 3, and jig plate 4 is arranged on bottom
On plate 2, jig plate 4 is located at immediately below mobile pressing plate A12, is fixed with clamping cylinder 3 on the side of jig plate 4, clamping cylinder 3 it is defeated
Shaft is connected with the positioning pressuring plate B1 being oppositely arranged with jig plate 4, and air throttle is placed between positioning pressuring plate B1 and jig plate 4
Body.
Described 4 another sidepiece of jig plate is placed with angle adjustment plate 5, and the sidepiece of angle adjustment plate 5 is perpendicular to the direction of jig plate 4
Rail plate B19 is placed with, angle adjustment plate 5 is fixed in slide block B, and slide block B and rail plate B19 coordinate installation, in slide block B
Upper be horizontally disposed with has a bar perpendicular to rail plate B19, and in rail plate B19 sides, parallel direction is placed with angular adjustment
Cylinder 20, the output shaft of angular adjustment cylinder 20 connect with the bar of slide block B.
Described sliding block A sides are placed with press-in cylinder 21, and the press-in output shaft of cylinder 21 is fixed on sliding block.
The course of work of the present invention is as follows：Positioning peace is carried out including electronic throttle valve body is arranged on jig plate 4
Dress, is clamped fixation by electronic throttle valve body by clamping cylinder 3 and positioning pressuring plate 1, puts idle spring 6 after clamping
Put in electronic throttle valve body, sector gear 7 is placed in gear positioning sleeve 8, by gear positioning sleeve 8 by sector gear
7 are positioned；Gear positioning sleeve 8 is positioned in mobile pressing plate A12 hole, is determined by the boss of the top of gear positioning sleeve 8
Position, mobile pressing plate A12 push a segment distance, and alignment pin A15 is located, and reverse the certain angle of swivel mount 10 just by sector gear
7 and idle spring 6 be adjusted to desired angle, locating rod 9 is inserted into swivel mount 10 and positioning support plate B（23）Hole in just will be idle
Fast spring 6 and sector gear 7 carry out circumferential registration；Mobile pressing plate A12 pushes one end distance again, and positioning cylinder B promotes positioning
Pin B17 is positioned mobile pressing plate A12, and idle spring 6 continues to be compressed, and the spacing leg of upper end enters the groove of spacing leg
In, then locating rod 9 is removed to positioning support plate B23 hole, then swivel mount 10 and locating rod 9 are removed；In returning for idle spring 6
In the presence of multiple power, the spacing leg in its upper end and body contacts, i.e. idle spring 6 assemble in place, the press-in driving movement of cylinder 21
Pressing plate A12 continues to push, it is possible to sector gear 7 is pressed into throttle plate pin, because mobile pressing plate A12 has a circular hole, rotated
Frame 10 and locating rod 9 remove rear laser-beam welding machine can and sector gear 7 are welded in this hole, angular adjustment cylinder
20 driving slide block Bs and angle adjustment plate 5 move, and there are 13 degree of angle, angle adjustment plate 5 in the end face of the front end of angle adjustment plate 5
Front end withstand on throttle blade end face, throttle valve piece is around the rotation of throttle plate pin 25 to identical with the front end face of angle adjustment plate 5
13 degree of angle.
Claims (6)
1. a kind of electronic throttle valve body, sector gear laser welding frock, it is characterised in that：Including tb clamping machine
Structure and sector gear installing mechanism, described tb clamp system are arranged on the lower section of sector gear installing mechanism；
Being clamped in described tb clamp system has tb, and sector is placed with sector gear installing mechanism
Gear（7）And idle spring（6）；Described gear installing mechanism includes mobile pressing plate A（12）, swivel mount（10）, mobile pressing plate A
（12）Include pressing plate horizontal component and pressing plate vertical portion in L-type is inverted, be provided with below pressing plate horizontal component and put vertically
The buffer spring put（13）, pressing plate vertical portion is fixed on sliding block A, and sliding block A, which coordinates, is arranged on rail plate A（14）On, it is sliding
Dynamic guide rail A（14）It is vertical to place, and pressing plate vertical portion is arranged on rail plate A（14）Side, in rail plate A（14）It is another
Side is vertically arranged with positioning support plate A（18）, positioning support plate A（18）On be fixed with positioning cylinder unit（16）, positioning cylinder unit
（16）Including positioning cylinder A and positioning cylinder B, positioning cylinder A output shaft and alignment pin A（15）It is connected, positioning cylinder B's is defeated
Shaft and alignment pin B（17）It is connected, positioning support plate A（18）Multiple positioning through hole are provided with the horizontal direction with pressing plate vertical portion,
Alignment pin A（15）With alignment pin B（17）Size be adapted with positioning through hole size；Vertically opened in pressing plate horizontal component
There is mounting hole, the swingle that can be moved up and down is placed with mounting hole（10）, in swingle（10）Upper end be provided with rotation
Handle, swingle（10）Lower end pass through mounting hole, swingle（10）Lower end be fixed with gear positioning sleeve（8）, gear positioning
Set（8）It is set with sector gear（7）, sector gear（7）Lower section is placed with idle spring（6）, idle spring（6）With air throttle sheet
It is corresponding above and below body, positioning support plate B is fixed with pressing plate horizontal component upper surface（23）, swingle（10）Medium position it is horizontal
It is provided with jack A, positioning support plate B（23）On be provided be placed with jack B, jack A and jack B activity locating rod（9）.
2. a kind of electronic throttle valve body according to claim 1, sector gear laser welding frock, it is characterised in that：
Described tb clamp system includes bottom plate（2）, jig plate（4）And clamping cylinder（3）, jig plate（4）It is arranged on bottom
Plate（2）On, jig plate（4）Positioned at mobile pressing plate A（12）Underface, jig plate（4）Clamping cylinder is fixed with side（3）, folder
Tight cylinder（3）Output shaft be connected with and jig plate（4）The positioning pressuring plate B being oppositely arranged（1）, in positioning pressuring plate B（1）And fixture
Plate（4）Between be placed with tb.
3. a kind of electronic throttle valve body according to claim 2, sector gear welding tooling, it is characterised in that：It is described
Jig plate（4）Sidepiece is placed with angle adjustment plate（5）, angle adjustment plate（5）Front end face be with 13 degree of inclined-planes of angle,
Angle adjustment plate（5）Sidepiece is perpendicular to jig plate（4）Direction is placed with rail plate B（19）, angle adjustment plate（5）It is fixed on cunning
On block B, slide block B and rail plate B（19）Coordinate installation, being horizontally disposed with slide block B has one perpendicular to rail plate B（19）
Bar, in rail plate B（19）Side parallel direction is placed with angular adjustment cylinder（20）, angular adjustment cylinder（20）Output shaft
Connected with the bar of slide block B.
4. a kind of electronic throttle valve body according to claim 1, sector gear laser welding frock, it is characterised in that：
Described swivel mount（10）Lower end is provided with positioning convex, and positioning convex is arranged with gear positioning sleeve（8）, sector gear（7）It is logical
Cross lock-screw（11）It is fixed on gear positioning sleeve（8）On.
5. a kind of electronic throttle valve body according to claim 1, sector gear laser welding frock, it is characterised in that：
Described positioning support plate B（23）Upper end is fixed with limiting plate, and limited location adjusting screw is set on limiting plate（22）.
6. a kind of electronic throttle valve body according to claim 1, sector gear welding tooling, it is characterised in that：It is described
Sliding block A sides be placed with press-in cylinder（21）, it is pressed into cylinder（21）Output shaft is fixed on sliding block A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710891635.9A CN107498200B (en) | 2017-09-27 | 2017-09-27 | Laser welding tool for valve body and sector gear of electronic throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710891635.9A CN107498200B (en) | 2017-09-27 | 2017-09-27 | Laser welding tool for valve body and sector gear of electronic throttle valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107498200A true CN107498200A (en) | 2017-12-22 |
| CN107498200B CN107498200B (en) | 2023-08-22 |
Family
ID=60699829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710891635.9A Active CN107498200B (en) | 2017-09-27 | 2017-09-27 | Laser welding tool for valve body and sector gear of electronic throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107498200B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857237A (en) * | 2018-08-20 | 2018-11-23 | 芜湖龙鳞汽车部件有限公司 | A kind of clamp system of novel welding |
| CN111391003A (en) * | 2020-03-25 | 2020-07-10 | 南京工业职业技术学院 | Implicit expression array valve cushion cap cutting machine |
| CN113607073A (en) * | 2021-08-17 | 2021-11-05 | 湛江德利车辆部件有限公司 | Throttle valve assembly and detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050097745A1 (en) * | 2003-11-07 | 2005-05-12 | Denso Corporation | Forming method of throttle apparatus for internal combustion engine |
| US20050109971A1 (en) * | 2003-11-20 | 2005-05-26 | Denso Corporation | Laser welding method, laser welding structure, and throttle valve device |
| KR20090048090A (en) * | 2007-11-09 | 2009-05-13 | 현대자동차주식회사 | A jig device for laser welder |
| CN106493558A (en) * | 2016-09-29 | 2017-03-15 | 联合汽车电子有限公司 | Electronic throttle idler gear assembly system |
| CN206263191U (en) * | 2016-12-16 | 2017-06-20 | 四川红光汽车机电有限公司 | The anti-riveting device of electronic throttle piece trip bolt |
-
2017
- 2017-09-27 CN CN201710891635.9A patent/CN107498200B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050097745A1 (en) * | 2003-11-07 | 2005-05-12 | Denso Corporation | Forming method of throttle apparatus for internal combustion engine |
| US20050109971A1 (en) * | 2003-11-20 | 2005-05-26 | Denso Corporation | Laser welding method, laser welding structure, and throttle valve device |
| KR20090048090A (en) * | 2007-11-09 | 2009-05-13 | 현대자동차주식회사 | A jig device for laser welder |
| CN106493558A (en) * | 2016-09-29 | 2017-03-15 | 联合汽车电子有限公司 | Electronic throttle idler gear assembly system |
| CN206263191U (en) * | 2016-12-16 | 2017-06-20 | 四川红光汽车机电有限公司 | The anti-riveting device of electronic throttle piece trip bolt |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857237A (en) * | 2018-08-20 | 2018-11-23 | 芜湖龙鳞汽车部件有限公司 | A kind of clamp system of novel welding |
| CN108857237B (en) * | 2018-08-20 | 2024-06-11 | 北京中康增材科技有限公司 | Clamping mechanism for welding |
| CN111391003A (en) * | 2020-03-25 | 2020-07-10 | 南京工业职业技术学院 | Implicit expression array valve cushion cap cutting machine |
| CN113607073A (en) * | 2021-08-17 | 2021-11-05 | 湛江德利车辆部件有限公司 | Throttle valve assembly and detection device |
| CN113607073B (en) * | 2021-08-17 | 2023-06-20 | 湛江德利车辆部件有限公司 | Throttle valve assembly and detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107498200B (en) | 2023-08-22 |
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