CN209096014U - A kind of stainless steel plate laminating machine - Google Patents
A kind of stainless steel plate laminating machine Download PDFInfo
- Publication number
- CN209096014U CN209096014U CN201821555431.4U CN201821555431U CN209096014U CN 209096014 U CN209096014 U CN 209096014U CN 201821555431 U CN201821555431 U CN 201821555431U CN 209096014 U CN209096014 U CN 209096014U
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- China
- Prior art keywords
- stainless steel
- cavity
- steel plate
- dust
- baffle
- 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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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 64
- 239000010935 stainless steel Substances 0.000 title claims abstract description 64
- 238000010030 laminating Methods 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 56
- 239000012535 impurity Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000007888 film coating Substances 0.000 claims abstract description 13
- 238000009501 film coating Methods 0.000 claims abstract description 13
- 238000000605 extraction Methods 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 230000003447 ipsilateral effect Effects 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 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 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model relates to a kind of stainless steel surface manufacture fields, specially a kind of stainless steel plate laminating machine, including nanometer film coating device and transmission device, it further include lower dust cover and upper dust cover, cavity is formed in the lower dust cover and upper dust cover, baffle is equipped in the cavity along the vertical direction, cavity is divided into the first cavity and the second cavity by the baffle, upper dust cover includes two pieces of two parallel with baffle the first side walls, two the first side walls and baffle are formed there through transfer passage along perpendicular direction, transmission device is arranged in transfer passage for conveying stainless steel plate, the first side wall and baffle are connected with the flexible piece for abutting with stainless steel plate close to stainless steel plate one end, the dust-extraction unit for removing stainless steel surface impurity is equipped in first cavity, nanometer film coating device is provided in second cavity.The energy conservation and environmental protection having；It consumes energy low, production cost is low, the high advantage of the quality of production.
Description
Technical field
The utility model relates to a kind of stainless steel surface manufacture fields, and in particular to a kind of stainless steel plate laminating machine.
Background technique
Stainless steel surface is scratched impaired in order to prevent, needs to be covered with protective film on its surface.In order to paste protective layer
It covers firm, and does not deposit the presence of impurity clast between protective film and stainless steel surface, need to carry out before pasting film to stainless
The dust impurity of surface of steel plate cleans.
It is then clean in dust-free workshop or environmental condition using first polishing processing to stainless steel surface in existing technology
Net place carries out overlay film work.Since overlay film processing requires height to the clean border condition of environment, maintain Work places height clean
Only it is a very consumption energy, increases the engineering of operating cost, and due to there are purity requirements to Work places, also generate certain
Workplace limitation.
Utility model content
In view of the deficienciess of the prior art, leading to the purpose of this utility model is to provide a kind of stainless steel plate laminating machine
It crosses and small-sized dustless space is set on laminating machine, reach clean environment requirement when pasting film, do not need to work in dustless place.
To achieve the above object, the utility model provides following technical solution:
A kind of stainless steel plate laminating machine, including nanometer film coating device and transmission device further include lower dust cover with it is upper dust-proof
It is formed with cavity in cover, the lower dust cover and upper dust cover, is equipped with baffle in the cavity along the vertical direction, the baffle will
Cavity is divided into the first cavity and the second cavity, and upper dust cover includes two pieces of two parallel with baffle the first side walls, and two first
Side wall and baffle are formed there through transfer passage along perpendicular direction, and transmission device is arranged in transfer passage for defeated
Stainless steel plate, the first side wall and baffle is sent to be connected with the flexible piece for abutting with stainless steel plate close to stainless steel plate one end, the
It is equipped with the dust-extraction unit for removing stainless steel surface impurity in one cavity, is provided with nanometer film coating device in the second cavity.
By using above-mentioned technical proposal, transmission device transmits stainless steel plate and enters the first cavity, in the first cavity, no
Rust surface of steel plate impurity is removed, then is passed in the second cavity, and flexible piece is abutted with stainless steel plate, and impurity is kept not enter
In second cavity.Thus the impurity on stainless steel plate can have both been removed, it can be with dust-proof.
The utility model is further arranged to: the dust-extraction unit includes two brush rolls, when stainless steel plate is placed on
When on transmission device, two brush rolls are located at stainless steel plate upper and lower surface；It further include miscellaneous in the first cavity for absorbing
The dust suction subassembly of matter, the driving assembly for driving brush roll to rotate, brush roll, which is circumferentially with, to abut with stainless steel surface
Bristle.
By using above-mentioned technical proposal, brush roll rotation removes impurity from stainless steel surface, the impurity after removal
Edge moves in the opposite direction with sender, and far from the second cavity；Dust suction subassembly absorbs impurity, keeps the clear of the first cavity
It is clean, prevent from accumulating excessive impurity making it into the second cavity.
The utility model is further arranged to: the driving assembly packet shaft coaxial with brush roll, and brush roll includes and turns
Fixed section that axis is fixedly connected, the glissile segment being fixedly connected with bristle, glissile segment radially slide along brush roll and are connected to fixed section,
Ocular hair brush roll is radially provided with elastic component between fixed section and glissile segment.
By using above-mentioned technical proposal, elastic component compression radially generates elastic force so that bristle always with stainless steel plate
Surface sufficiently abuts, and is pulled away impurity from stainless steel surface.
The utility model is further arranged to: the second cavity upper end is equipped with air inlet, and air inlet is equipped with for the
Conveying is higher than the air supply device of the pressure-air of cavity outer wall atmospheric pressure in two cavitys, is connected with filtering group on air supply device
Part.
By using above-mentioned technical proposal, so that the gas pressure intensity in the second cavity is greater than the second cavity outer wall, so that outside
The impurity in portion will not enter in the second cavity.
The utility model is further arranged to: the filter assemblies include in the dust removing funnel of bucket-shaped setting, positioned at dedusting
The dedusting plate of bucket enters pipe, the efferent duct that is fixedly connected with air inlet for introduce high pressure gas, dust removing funnel side and with into
Enter pipe connection, the upper end of dust removing funnel is connected to efferent duct.
By using above-mentioned technical proposal, for impurity with high pressure gas by entering dust removing funnel into pipe, dedusting plate makes air-flow
Direction sharply changes, and since the inertia force of impurity is more much bigger than the inertia force of gas, impurity is just separated from high pressure gas
Under fall on dust removing funnel bottom, purify high pressure gas.
The utility model is further arranged to: efferent duct is equipped with activated carbon adsorption layer close to second cavity one end.
By using above-mentioned technical proposal, the impurity not settled is tightly held by activated carbon, and further purifies high pressure gas.
The utility model is further arranged to: the first cavity upper wall is equipped with suction inlet, and dust suction subassembly includes and suction inlet
The sweep-up pipe and the exhaust fan affixed with sweep-up pipe being fixedly connected, sweep-up pipe be connected tos with into pipe, into pipe in equipped with pipeline tune
Pressure valve.
By using above-mentioned technical proposal, dust suction subassembly is connect with air supply device, it is not only energy saving, also make factory
Air will not be contaminated.
The utility model is further arranged to: the shaft far from being respectively fixedly connected with roller bearing on brush roll one end,
The conveyer belt being annularly arranged is arranged on two ipsilateral roller bearings of two brush rolls.
By using above-mentioned technical proposal, a shaft rotation, the rotation of affixed roller bearing, is made separately by conveyer belt therewith
The rotation of one roller bearing, and then another shaft is rotated, the energy is saved, cost is reduced.
The utility model has the advantage that
1, dust cover and lower dust cover in setting, realize dedusting function using in small space, reduce cleaner and account for
Ground space；
2, it consumes energy low, production cost is low, and the quality of production is high.
Detailed description of the invention
Fig. 1 is that structural schematic diagram is cutd open in the utility model side；
Fig. 2 is the cross-sectional view of the utility model dust-extraction unit；
Appended drawing reference: 1, lower dust cover；2, nanometer film coating device；3, transmission device；4, dust cover；5, the first cavity；6,
Second cavity；7, baffle；8, the first side wall；9, flexible piece；10, dust-extraction unit；11, driving assembly；12, bristle；13, shaft；
14, fixed section；15, glissile segment；16, sliding recess；17, elastic component；18, air inlet；19, air supply device；20, filter assemblies；
21, dust removing funnel；22, dedusting plate；23, into pipe；24, efferent duct；25, activated carbon adsorption layer；26, suction inlet；27, sweep-up pipe；
28, exhaust fan；29, pipeline pressure regulator valve；30, roller bearing；31, dustproof part；32, transfer roller；33, stainless steel plate；34, pad pasting roller；35,
Actuator；36, brush roll；37, conveyer belt.
Specific embodiment
Clear, complete description is carried out to the technical solution of the utility model below with reference to attached drawing, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Implementation based on the utility model
Example, those of ordinary skill in the art's obtained all other embodiment without making creative work, all belongs to
In the range that the utility model is protected.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third ", " the 4th " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
The utility model is described further referring to attached drawing.
A kind of stainless steel plate laminating machine, as shown in Figure 1, including dustproof part 31 and the dust-extraction unit in dustproof part 31
10, transmission device 3 and nanometer film coating device 2, dust-extraction unit 10 are used to remove the impurity on 33 surface of stainless steel plate, transmission device
3 for by 33 input and output dustproof part 31 of stainless steel plate, nanometer film coating device 2 to be used for 33 table of stainless steel plate after surface is cleaned
Face overlay film.
Transmission device 3 includes the transfer roller 32 for transmitting stainless steel plate 33, and transfer roller 32 is in one end in dustproof part 31
The setting parallel to the other end is multiple, and nanometer film coating device 2 includes a pair of of pad pasting roller 34, when stainless steel plate 33 is placed on transmission dress
It sets when being transmitted on 3, a pad pasting rod is located at 33 upper surface of stainless steel plate, another pad pasting rod is located at the following table of stainless steel plate 33
Face, pad pasting roller 34 carry out patch film coating operation for contacting with 33 surface of stainless steel plate.
As schemed, 1,2 show, dust-extraction unit 10 includes brush roll 36, driving assembly 11 and dust suction subassembly.Brush roll 36 includes
Fixed section 14 and columnar glissile segment 15, glissile segment 15 is circumferential to be connected with bristle 12, and stainless steel plate 33 is placed on transmission device 3
When, a brush roll 36 is located at 33 upper surface of stainless steel plate, another brush roll 36 is located at the lower surface of stainless steel plate 33, and brushes
Hair 12 is contacted with 33 upper and lower surface of stainless steel plate.It is recessed along sliding is equipped with the radial parallel direction of glissile segment 15 on fixed section 14
Slot 16, glissile segment 15 are set between fixed section 14 and sliding recess 16 along 36 radial direction of brush roll along sliding recess 16 is slidably connected to
Flexible part 17, elastic component 17 are the spring that shape is unfolded.
As shown in Figure 1, 2, driving assembly 11 includes two be fixedly connected respectively with the fixed section 14 at 36 both ends of brush roll
Shaft 13, shaft 13 is coaxial with brush roll 36, and shaft 13 has been fixedly and coaxially connected roller bearing 30, roller bearing far from 36 one end of brush roll
Cricoid conveyer belt 37 is arranged on 30, one of shaft 13 is connected with actuator 35, and actuator 35 is to be mounted on dust removal unit
The motor of outer surface.Actuator 35 drives a shaft 13 to rotate, so that affixed roller bearing 30 and brush roll 36 rotate therewith, leads to
Conveyer belt 37 is crossed, actuator 35 drives another roller bearing 30 to rotate, and rotates another brush roll 36；Bristle 12 and stainless steel plate
Linear velocity direction and the direction of transfer of 33 surfaces contact are on the contrary, convenient for removing impurity from 33 surface of stainless steel plate.
As shown in Figure 1, dustproof part 31 includes lower dust cover 41 and upper dust cover 4, it is provided with baffle 7 in dustproof part 31, is kept off
Plate 7 is arranged along the vertical direction, and four sides of baffle 7 are closely connect with lower dust cover 41 and upper dust cover 4, lower dust cover 41 with
Upper 4 internal cavities of dust cover are divided along direction of transfer by baffle 7 for the first cavity 5 and the second cavity 6, and dust-extraction unit 10 is installed on
In one cavity 5, nanometer film coating device 2 is installed in the second cavity 6, and upper dust cover 4 includes two perpendicular to direction of transfer
One side wall 8.Two the first side walls 8 and baffle 7 are separated to form defeated up and down along the middle part of the conveying direction of stainless steel plate 33
Entrance and delivery outlet are output close to one end of nanometer film coating device 2 wherein being input port close to one end of dust-extraction unit 10
Mouthful.At input port and delivery outlet position, the first side wall 8 and baffle 7 are connected with and stainless steel plate 33 close to 33 one end of stainless steel plate
The flexible piece 9 of abutting.
As shown in Figure 1, dust suction subassembly includes being provided with the suction inlet 26 of the upper end of the first cavity 5 and connecting with suction inlet 26
Be connected to sweep-up pipe 27, the upper end in 5 outside of the first cavity be additionally provided with filter assemblies 20, sweep-up pipe 27 and filter assemblies 20 by into
Enter the connection of pipe 23, filter assemblies 20 are also communicated with efferent duct 24, the upper end of the second cavity 6 offer be connected to efferent duct 24 into
Air port 18.
Filter assemblies 20 include introduce high pressure gas into pipe 23, with the dust removing funnel 21 that is connected to of entrance pipe 23, dust removing funnel
Dedusting plate 22 is provided in 21.21 one end of dust removing funnel is big, and the other end is small, and the lesser one end of dust removing funnel 21 it is vertical towards dedusting
Portion's setting.It is connected into pipe 23 with the side of dust removing funnel 21, and efferent duct 24 is connected with the upper end of dust removing funnel 21.Dedusting plate 22 is total
Three, and along enter pipe 23 into dust removing funnel 21 air supply direction interval be arranged, and dedusting plate 22 close to dust removing funnel 21 with into
It is higher to enter the connected one end height and position of pipe 23.
Dust removal assembly further includes the exhaust fan 28 being arranged in sweep-up pipe 27 and is arranged in into the pipeline tune in pipe 23
Pressure valve 29.The gas containing impurity is sucked out from the first cavity 5 for exhaust fan 28, passes through the pipeline pressure regulator valve 29 entered in pipe 23
Become high pressure gas, object of placing obstacles in front of the incoming flow of high pressure gas changes the direction of air-flow sharply, due to being used to for impurity
Property power is more much bigger than the inertia force of gas, and impurity is just separated from high pressure gas.
Delivery pipe is provided with activated carbon adsorption layer in one end of the second cavity 6, inhales in delivery pipe compared to active carbon
Attached layer is equipped with the air supply device 19 for conveying high-pressure air in the second cavity 6 closer to the position in the second cavity 6, air-supply
Device 19 is air blower.
Air blower blows into filtered high pressure gas in the second cavity 6, so that the gas pressure intensity in the second cavity 6 is greater than
Second cavity, 6 outer wall, so that the impurity outside the second cavity 6 will not enter in the second cavity 6.
Working principle: lower dust cover 41 and upper dust cover 4 constitute a cavity, and cavity is divided into 5 He of the first cavity by baffle 7
Second cavity 6, nanometer film coating device 2 are located in the second cavity 6, and hairbrush is equipped in the first cavity 5 for removing stainless steel plate 33
Upper and lower surface impurity, plays dustproof function；The gas containing impurity generated in the first cavity 5, is siphoned away by exhaust fan 28, warp
Pipeline pressure regulator valve 29 becomes high pressure gas, then high pressure gas filtering is discharged to the second cavity 6 again in clean gas, so that second
6 internal pressure of cavity with its external pressure, blocks the entrance of outside air greatly, plays dustproof effect, at the same with stainless steel plate 33
The flexible piece 9 of abutting closes cavity, also reaches dust-proof effect.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of stainless steel plate laminating machine, including nanometer film coating device (2) and transmission device (3), it is characterized in that: further including lower anti-
Dust hood (1) and upper dust cover (4), are formed with cavity in the lower dust cover (1) and upper dust cover (4), along perpendicular in the cavity
For histogram to baffle (7) are equipped with, cavity is divided into the first cavity (5) and the second cavity (6), upper dust cover (4) packet by the baffle (7)
Two pieces of two parallel with baffle (7) the first side walls (8) are included, two the first side walls (8) and baffle (7) are along perpendicular side
To transfer passage is formed there through, transmission device (3) is arranged in transfer passage for conveying stainless steel plate (33), the first side wall
(8) and baffle (7) close to stainless steel plate (33) one end is connected with the flexible piece (9) for abutting with stainless steel plate (33), and first
It is equipped with the dust-extraction unit (10) for removing stainless steel plate (33) surface impurity in cavity (5), is provided with and receives in the second cavity (6)
Rice film covering device (2).
2. a kind of stainless steel plate laminating machine according to claim 1, it is characterized in that: the dust-extraction unit (10) includes two
Brush roll (36), when stainless steel plate (33) is placed on transmission device, two brush rolls (36) are located at stainless steel plate
(33) upper and lower surface；It further include for absorbing the dust suction subassembly of impurity in the first cavity (5), for driving brush roll (36) to turn
Dynamic driving assembly (11), brush roll (36) are circumferentially with the bristle (12) abutted with stainless steel plate (33) surface.
3. a kind of stainless steel plate laminating machine according to claim 2, it is characterized in that: the driving component (11) packet and hairbrush
The actuator (35) that the coaxial shaft (13) of roller (36), driving brush roll (36) rotate, brush roll (36) include and shaft (13)
The fixed section (14) being fixedly connected, the glissile segment (15) being fixedly connected with bristle (12), glissile segment (15) is along brush roll (36) diameter
To being slidably connected to fixed section (14), ocular hair brush roll (36) is radially provided with elastic component between fixed section (14) and glissile segment (15)
(17).
4. a kind of stainless steel plate laminating machine according to claim 1, it is characterized in that: second cavity (6) upper end is equipped with
Air inlet (18), be equipped at air inlet (18) for into the second cavity (6) conveying be higher than the high pressure of cavity outer wall atmospheric pressure
The air supply device (19) of air, air supply device (19) are connected with filter assemblies (20).
5. a kind of stainless steel plate laminating machine according to claim 4, it is characterized in that: the filter assemblies (20) include in bucket
Shape setting dust removing funnel (21), be located at dust removing funnel (21) dedusting plate (22), for introduce high pressure gas enter pipe (23), with
The efferent duct (24) that air inlet (18) is fixedly connected, dust removing funnel (21) side with enter pipe (23) be connected to, dust removing funnel (21) it is upper
End is connected to efferent duct (24).
6. a kind of stainless steel plate laminating machine according to claim 5, it is characterized in that: close to second in the efferent duct (24)
Cavity (6) one end is equipped with activated carbon adsorption layer (25).
7. a kind of stainless steel plate laminating machine according to claim 5, it is characterized in that: first cavity (5) upper wall is equipped with
Suction inlet (26), dust suction subassembly include the sweep-up pipe (27) and the exhaust fan affixed with sweep-up pipe (27) connecting with suction inlet (26)
(28), sweep-up pipe (27) is connected to pipe (23) is entered, and is equipped with pipeline pressure regulator valve (29) into pipe (23) is interior.
8. a kind of stainless steel plate laminating machine according to claim 3, it is characterized in that: the shaft (13) is far from brush roll
(36) it has been respectively fixedly connected on one end roller bearing (30), has been arranged on two ipsilateral roller bearings (30) of two brush rolls (36) in ring
The conveyer belt (37) of shape setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555431.4U CN209096014U (en) | 2018-09-21 | 2018-09-21 | A kind of stainless steel plate laminating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555431.4U CN209096014U (en) | 2018-09-21 | 2018-09-21 | A kind of stainless steel plate laminating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209096014U true CN209096014U (en) | 2019-07-12 |
Family
ID=67153379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821555431.4U Expired - Fee Related CN209096014U (en) | 2018-09-21 | 2018-09-21 | A kind of stainless steel plate laminating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209096014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718945A (en) * | 2020-12-11 | 2021-04-30 | 杜德华 | Steel plate bending device for metal processing |
| CN113634528A (en) * | 2021-08-04 | 2021-11-12 | 东莞宝钢钢材部件有限公司 | Cleaning machine internal structure for preventing automobile steel plate from being scratched |
-
2018
- 2018-09-21 CN CN201821555431.4U patent/CN209096014U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718945A (en) * | 2020-12-11 | 2021-04-30 | 杜德华 | Steel plate bending device for metal processing |
| CN113634528A (en) * | 2021-08-04 | 2021-11-12 | 东莞宝钢钢材部件有限公司 | Cleaning machine internal structure for preventing automobile steel plate from being scratched |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |