CN110385631A - A kind of sheet metal component burnishing device - Google Patents
A kind of sheet metal component burnishing device Download PDFInfo
- Publication number
- CN110385631A CN110385631A CN201910583581.9A CN201910583581A CN110385631A CN 110385631 A CN110385631 A CN 110385631A CN 201910583581 A CN201910583581 A CN 201910583581A CN 110385631 A CN110385631 A CN 110385631A
- Authority
- CN
- China
- Prior art keywords
- sheet metal
- metal component
- handle
- pipe
- electric 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 30
- 238000005498 polishing Methods 0.000 claims abstract description 38
- 239000000428 dust Substances 0.000 claims abstract description 21
- 238000000605 extraction Methods 0.000 claims abstract description 19
- 230000035939 shock Effects 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 abstract description 7
- 239000006096 absorbing agent Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009497 press forging Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of sheet metal component burnishing device, including handle, described handle inner one end is connected with motor, described handle one end is equipped with electric cylinder, the motor output shaft and electric cylinder are clamped, and described electric cylinder one end is connected with polishing disk, inlays inside the polishing disk fluted.The present invention passes through setting electric cylinder, atmospheric pressure pole and aperture polishing disk, people are facilitated to carry out polishing to metal plate small part and sheet metal component through-hole and aperture, device is compact and flexible, effectively improve convenience when burnishing device uses, by the way that small-sized extraction fan is arranged, connecting pipe, socket pipe and arc sweep-up pipe, effectively the clast dust etc. that polishing generates is absorbed, human body is avoided to suck, by the way that spring layer is arranged, the gentle pad damper of elastic force layers of balls, vibration when effective lifting device work, hand is avoided to be inconvenient to operate because of vibration, it is suitble to be widely popularized and used.
Description
Technical field
The present invention relates to a kind of sheet metal component, in particular to a kind of sheet metal component burnishing device.
Background technique
Sheet metal component is exactly thin plate handware, that is, can be bent by punching press, the means such as stretches the part processed,
One definition substantially is exactly-the constant part of thickness in process, corresponding is cast member, press forging, machinery plus
Work part etc., such as the iron-clad of the outside of automobile is exactly sheet metal component, some kitchen utensils that stainless steel is done are also sheet metal component.
But general metal plate small part large size burnishing device polishing effect is not very well, to need using small-sized burnishing device
It is not very well, for this purpose, it is proposed that a kind of metal plate that clast and the dust processing for being polished, and being generated in polishing process, which are played,
Part burnishing device.
Summary of the invention
The main purpose of the present invention is to provide a kind of sheet metal component burnishing devices, by the way that electric cylinder, atmospheric pressure pole is arranged
With aperture polishing disk, people is facilitated to carry out polishing to metal plate small part and sheet metal component through-hole and aperture, device is small and exquisite
Flexibly, effectively improve convenience when burnishing device uses, by be arranged small-sized extraction fan, connecting pipe, socket pipe and
Arc sweep-up pipe effectively absorbs the clast dust etc. that polishing generates, human body is avoided to suck, by the way that spring is arranged
Layer, the gentle pad damper of elastic force layers of balls, vibration when effective lifting device works avoid hand because vibration is inconvenient to operate,
The problems in background technique can effectively be solved.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of sheet metal component burnishing device, including handle, described handle inner one end are connected with motor, handle one end installation
There is electric cylinder, the motor output shaft and electric cylinder are clamped, and described electric cylinder one end is connected with polishing disk, the polishing
Inlay fluted inside disk, the groove inner wall is inlaid with atmospheric pressure pole, and described atmospheric pressure pole one end is fixedly connected with aperture polishing disk.
Further, described handle inner one end is equipped with small-sized extraction fan, and the small-sized extraction fan side is fixedly connected
Dust storage chamber, and the small-sized extraction fan other end is equipped with air inlet and connecting pipe.
Further, the connecting pipe is located at handle bottom side, and the dust storage chamber and air inlet are respectively positioned on handle inner, institute
It states dust storage chamber side and valve is installed.
Further, the connecting pipe internal slide connects socket pipe, and described socket pipe one end is welded with arc dust suction
Pipe, the arc sweep-up pipe are located at polishing disk side.
Further, the handle outer is socketed with Rubber shock-absorbing pad, inside the Rubber shock-absorbing pad filled with spring layer,
The gentle pad damper of elastic force layers of balls, the elastic layers of balls of spring layer bottom adhesive, the elastic force layers of balls bottom adhesive have air cushion
Damper.
Compared with prior art, the invention has the following beneficial effects:
1, by setting electric cylinder, atmospheric pressure pole and aperture polishing disk, facilitate people to metal plate small part and sheet metal component through-hole
And aperture carries out polishing, device is compact and flexible, effectively improves convenience when burnishing device uses, and motor drives
Electric cylinder rotation, so that polishing disk be driven to carry out the polishing of small part, electric cylinder is convenient for adjusting polishing disk length, operation letter
Single, aperture polishing disk is released groove by the flexible of atmospheric pressure pole, can through-hole, aperture etc. to part polish, be easy to use.
2, by the way that small-sized extraction fan, connecting pipe, socket pipe and arc sweep-up pipe is arranged, effectively polishing is generated
Clast dust etc. absorbed, avoid human body from sucking, arc sweep-up pipe passes through the tune that is slidably connected of socket pipe and connecting pipe
Whole position, the clast dust in air is transferred in dust storage chamber by small-sized extraction fan starting by arc sweep-up pipe, convenient for concentrating
Processing, while being absorbed by the hot-air that air inlet generates the instrument of handle inner, play the role of heat dissipation.
3, pass through setting spring layer, the gentle pad damper of elastic force layers of balls, vibration when effective lifting device works avoids
Hand is because vibration is inconvenient to operate, and spring layer and elastic force layers of balls have flexibility, elastic shock absorbing features, and pneumatic cushion shock absorber is very
The vibration that good reduction motor and small-sized extraction fan generate when working, stability when convenient for lifting device use.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of sheet metal component burnishing device of the present invention.
Fig. 2 is a kind of Rubber shock-absorbing pad structural schematic diagram of sheet metal component burnishing device of the present invention.
In figure: 1, handle；2, dust storage chamber；3, Rubber shock-absorbing pad；4, air inlet；5, small-sized extraction fan；6, connecting pipe；7,
Socket pipe；8, motor；9, electric cylinder；10, polishing disk；11, groove；12, atmospheric pressure pole；13, aperture polishing disk；14, arc is inhaled
Dirt pipe；15, spring layer；16, elastic force layers of balls；17, pneumatic cushion shock absorber；18, valve.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment one
As shown in Figure 1, a kind of sheet metal component burnishing device, including handle 1,1 inside one end of handle are connected with motor 8, handle 1 one
End is equipped with electric cylinder 9, and 8 output shaft of motor and electric cylinder 9 are clamped, and 9 one end of electric cylinder is connected with polishing disk 10, polishes
Fluted 11 are inlayed inside disk 10,11 inner wall of groove is inlaid with atmospheric pressure pole 12, and 12 one end of atmospheric pressure pole is fixedly connected with aperture polishing disk
13, connecting pipe 6 is located at 1 bottom side of handle, and dust storage chamber 2 and air inlet 4 are respectively positioned on inside handle 1, and 2 side of dust storage chamber is equipped with valve
Door 18.
By setting electric cylinder 9, atmospheric pressure pole 12 and aperture polishing disk 13 in the present embodiment, facilitate people small to metal plate by zero
Part and sheet metal component through-hole and aperture carry out polishing, and device is compact and flexible, when effectively improving burnishing device use
Convenience.
Embodiment two
As shown in Figs. 1-2,1 inside one end of handle is equipped with small-sized extraction fan 5, and small-sized 5 side of extraction fan is fixedly connected with dust storage chamber
2, and 5 other end of small-sized extraction fan is equipped with air inlet 4 and connecting pipe 6,6 internal slide of connecting pipe connects socket pipe 7, set
7 one end of adapter tube is welded with arc sweep-up pipe 14, and arc sweep-up pipe 14 is located at 10 side of polishing disk, is socketed with rubber outside handle 1
Resilient cushion 3, spring layer 15, elastic force layers of balls 16 and pneumatic cushion shock absorber 17 are filled with inside Rubber shock-absorbing pad 3, and 15 bottom of spring layer is viscous
Elastic force layers of balls 16 is had, 16 bottom adhesive of elastic force layers of balls has pneumatic cushion shock absorber 17.
By the way that small-sized extraction fan 5, connecting pipe 6, socket pipe 7 and arc sweep-up pipe 14 is arranged in the present embodiment, effectively
The clast dust etc. that polishing generates is absorbed, human body is avoided to suck, by the way that spring layer 15,16 and of elastic force layers of balls is arranged
Pneumatic cushion shock absorber 17, vibration when effective lifting device works, avoids hand from being inconvenient to operate because of vibration.
It should be noted that the present invention is a kind of sheet metal component burnishing device, when work, device is connected into mobile power source,
Device is compact and flexible, and motor 8 drives electric cylinder 9 to rotate, so that the polishing of the progress metal plate small part of polishing disk 10 is driven, it is electronic
Cylinder 9 is easy to operate convenient for adjusting 10 length of polishing disk, and aperture polishing disk 13 is released groove 11, energy by the flexible of atmospheric pressure pole 12
Enough to polish to through-hole, the aperture etc. of part, in polishing process, arc sweep-up pipe 14 passes through socket pipe 7 and connecting pipe 6
It is slidably connected and adjusts position, start small-sized extraction fan 5, the clast dust in air is transferred to by dust by arc sweep-up pipe 14
In room 2, removed by valve 18, convenient for centralized processing, and meanwhile it is empty by the heat that air inlet 4 generates the instrument inside handle 1
Aspiration removes, and plays the role of heat dissipation, by spring layer 15, elastic force layers of balls 16 and pneumatic cushion shock absorber 17, effective lifting device work
Vibration when making avoids hand because vibration be inconvenient to operate, spring layer 15 and elastic force layers of balls 16 with flexibility, elastic subtract
Shake feature, pneumatic cushion shock absorber 17 reduces the vibration generated when motor 8 and the work of small-sized extraction fan 5 well, convenient for promoting dress
Stability when use is set, is easy to use.
Handle 1 of the invention, dust storage chamber 2, Rubber shock-absorbing pad 3, air inlet 4, small-sized extraction fan 5, connecting pipe 6, socket
Pipe 7, motor 8, electric cylinder 9, polishing disk 10, groove 11, atmospheric pressure pole 12, aperture polishing disk 13, arc sweep-up pipe 14, spring layer
15, elastic force layers of balls 16, pneumatic cushion shock absorber 17,18 component of valve are universal standard part or portion as known to those skilled in the art
Part, structure and principle are all that this technology personnel can be learnt by technical manual or be known by routine experiment method.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of sheet metal component burnishing device, including handle (1), it is characterised in that: the internal one end of the handle (1) is connected with horse
Up to (8), described handle (1) one end is equipped with electric cylinder (9), and motor (8) output shaft and electric cylinder (9) are clamped, institute
It states electric cylinder (9) one end to be connected with polishing disk (10), inlays fluted (11), the groove inside the polishing disk (10)
(11) inner wall is inlaid with atmospheric pressure pole (12), and described atmospheric pressure pole (12) one end is fixedly connected with aperture polishing disk (13).
2. a kind of sheet metal component burnishing device according to claim 1, it is characterised in that: the internal one end of the handle (1)
It is equipped with small-sized extraction fan (5), small-sized extraction fan (5) side is fixedly connected dust storage chamber (2), and small-sized extraction fan (5) is another
One end is equipped with air inlet (4) and connecting pipe (6).
3. a kind of sheet metal component burnishing device according to claim 2, it is characterised in that: the connecting pipe (6) is located at
Handle (1) bottom side, the dust storage chamber (2) and air inlet (4) are respectively positioned on handle (1) inside, and dust storage chamber (2) side is equipped with
Valve (18).
4. a kind of sheet metal component burnishing device according to claim 2, it is characterised in that: the connecting pipe (6) is internal
Be slidably connected socket pipe (7), and described socket pipe (7) one end is welded with arc sweep-up pipe (14), arc sweep-up pipe (14) position
In polishing disk (10) side.
5. a kind of sheet metal component burnishing device according to claim 1, it is characterised in that: socket outside the handle (1)
Have Rubber shock-absorbing pad (3), filled with spring layer (15), elastic force layers of balls (16) and air cushion shock inside the Rubber shock-absorbing pad (3)
Device (17), the elastic layers of balls of spring layer (15) bottom adhesive (16), elastic force layers of balls (16) bottom adhesive have air cushion to subtract
It shakes device (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910583581.9A CN110385631A (en) | 2019-07-01 | 2019-07-01 | A kind of sheet metal component burnishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910583581.9A CN110385631A (en) | 2019-07-01 | 2019-07-01 | A kind of sheet metal component burnishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110385631A true CN110385631A (en) | 2019-10-29 |
Family
ID=68286112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910583581.9A Pending CN110385631A (en) | 2019-07-01 | 2019-07-01 | A kind of sheet metal component burnishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110385631A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117840867A (en) * | 2024-03-06 | 2024-04-09 | 扬州意得机械有限公司 | Valve seat and valve seat grinding equipment for hydrogen energy automobile fuel cell system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB322697A (en) * | 1928-10-03 | 1929-12-12 | Nathaniel Brackett Wales | Polishing apparatus |
| CN207043876U (en) * | 2017-08-23 | 2018-02-27 | 广东利迅达机器人***股份有限公司 | A kind of straight bucket inwall polishing special plane |
| CN107891342A (en) * | 2017-11-30 | 2018-04-10 | 苏州博来喜电器有限公司 | Workpiece polishing mechanism |
| CN207656423U (en) * | 2017-12-07 | 2018-07-27 | 天津市百泰玻璃有限公司 | A kind of glass tempering pre-treatment processing unit (plant) |
| CN108747776A (en) * | 2018-06-06 | 2018-11-06 | 芜湖市奥尔特光电科技有限公司 | A kind of efficient polisher with dust-absorbing function |
| CN109729658A (en) * | 2019-01-23 | 2019-05-07 | 深圳市图元科技有限公司 | A kind of intelligent operation terminal of outdoor study |
| CN210790473U (en) * | 2019-07-01 | 2020-06-19 | 合肥高科科技股份有限公司 | Burnishing device for sheet metal component |
-
2019
- 2019-07-01 CN CN201910583581.9A patent/CN110385631A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB322697A (en) * | 1928-10-03 | 1929-12-12 | Nathaniel Brackett Wales | Polishing apparatus |
| CN207043876U (en) * | 2017-08-23 | 2018-02-27 | 广东利迅达机器人***股份有限公司 | A kind of straight bucket inwall polishing special plane |
| CN107891342A (en) * | 2017-11-30 | 2018-04-10 | 苏州博来喜电器有限公司 | Workpiece polishing mechanism |
| CN207656423U (en) * | 2017-12-07 | 2018-07-27 | 天津市百泰玻璃有限公司 | A kind of glass tempering pre-treatment processing unit (plant) |
| CN108747776A (en) * | 2018-06-06 | 2018-11-06 | 芜湖市奥尔特光电科技有限公司 | A kind of efficient polisher with dust-absorbing function |
| CN109729658A (en) * | 2019-01-23 | 2019-05-07 | 深圳市图元科技有限公司 | A kind of intelligent operation terminal of outdoor study |
| CN210790473U (en) * | 2019-07-01 | 2020-06-19 | 合肥高科科技股份有限公司 | Burnishing device for sheet metal component |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117840867A (en) * | 2024-03-06 | 2024-04-09 | 扬州意得机械有限公司 | Valve seat and valve seat grinding equipment for hydrogen energy automobile fuel cell system |
| CN117840867B (en) * | 2024-03-06 | 2024-05-28 | 扬州意得机械有限公司 | Grinding equipment for valve seat of hydrogen energy automobile fuel cell system |
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