CN107552278A - A kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material - Google Patents
A kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material Download PDFInfo
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- CN107552278A CN107552278A CN201710919442.XA CN201710919442A CN107552278A CN 107552278 A CN107552278 A CN 107552278A CN 201710919442 A CN201710919442 A CN 201710919442A CN 107552278 A CN107552278 A CN 107552278A
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- frame
- bend pipe
- colour code
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- spray equipment
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Abstract
The invention discloses a kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material, including frame, feed mechanism, sliding equipment, spray body and controlling organization, central rack is provided with pipe fitting to be carried out to the feed mechanism of automatic transport, feed mechanism includes being arranged on central rack and the multiple feeding rollers being disposed in parallel relation to one another and the motor installed in frame side, shell outside face is provided with the multiple sprocket wheels being connected with feeding roller, it is connected between sprocket wheel by chain, it is arranged on the sprocket wheel of frame end and a driven pulley is connected with by power transmission shaft, the side of frame is provided with motor mounting plate.The material colour code spray equipment of this sulfur resistive resistant to hydrogen bend pipe tube material, straight line spraying can be carried out to direction of the pipe fitting outer wall surface parallel to pipe fitting axle center, after being intercepted to pipeline, also ribbon identification can be left in the tube surface after interception, be advantageous to the management to tube material, cost of labor is reduced, reaches the purpose of raw material trackability.
Description
Technical field
The invention belongs to tube material to identify spraying equipment technical field, and in particular to a kind of sulfur resistive resistant to hydrogen bend pipe pipe fitting material
The material colour code spray equipment of material.
Background technology
Pipeline is a kind of caused special means of transportation with Petroleum Production, as one of five big means of transportation,
Through the history for having more than 100 years.Increasingly highlighted with the development of national economy, the advantages of pipeline oil transportation.Oil pipeline base
Carbon steel seamless steel tube, vertical masonry joint electric-resistance-welded steel pipe and spiral weld steel pipe are all used in sheet.The laying of oil pipeline, which is set, typically adopts
Maked somebody a mere figurehead on land used or buried two ways.But no matter which kind of mode is used, when metallic conduit and the contact of surrounding medium, due to hair
It is biochemical effect or electrochemical action and cause its surface corrosion, corrosion is to cause the pass of pipe-line system reliability and service life
Key factor.It after metallic conduit is corroded, will all be changed in profile, color and luster and mechanical properties, and influence institute's oil transportation
The quality of product, shorten the service life of oil pipeline, may seriously cause leakage pollution environment, or even can not use.
When pipeline occurs corrosion or broken down, tend not to enough to the machinery production process of the pipeline and heat treatment
Process is traced, and is caused to check in process of production, the correlation that the influence of production technology influences on pipeline life
Data；In addition, in actual production process, after raw material enter factory, only staff is outer in the section of pipeline or part
Footpath surface is labeled with ribbon identification, and with the progress of production work, especially after being intercepted to pipeline, it is impossible to root
The relevant informations such as producer, the material of tube material are inquired according to the pipeline after interception, the management work to enterprise's material is brought
Inconvenience.
The content of the invention
The present invention is in order to solve the above-mentioned technical problem, there is provided a kind of material colour code spraying of sulfur resistive resistant to hydrogen bend pipe tube material
Device, its design science is reasonable, easy to use；The spray of axial colour band can be carried out along tube outer diameter surface using spray equipment
Apply, after being intercepted to pipeline, also can leave ribbon identification in the tube surface after interception, be advantageous to pipe fitting material
The management of material, cost of labor is reduced, reach the purpose of raw material trackability.
The technical solution adopted in the present invention is：A kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material,
Including frame, feed mechanism, sliding equipment, spray body and controlling organization, central rack is provided with pipe fitting to be carried out certainly
The feed mechanism of dynamic conveying, feed mechanism include the multiple feeding rollers for being arranged on central rack and being disposed in parallel relation to one another and are arranged on
The motor of frame side, shell outside face are provided with the multiple sprocket wheels being connected with feeding roller, pass through chain between sprocket wheel
It is connected, is arranged on the sprocket wheel of frame end and a driven pulley is connected with by power transmission shaft, the side of frame is provided with motor peace
Loading board, is provided with motor above motor mounting plate, and motor shaft end is connected with driving wheel, driving wheel by conveyer belt with
Driven pulley is connected；
Frame other side face is provided with sliding equipment, and sliding equipment includes supporting plate and mobile platform, and supporting plate top position is close
The surface of supporting plate both sides of the edge is provided with guide rail, and sliding block is provided with guide rail, mobile platform is provided with above sliding block, two guide rails
Medium position is provided with a screw mandrel, and screw mandrel both ends are arranged on the boss of two ends of bearing plate, and deck end is provided with rectilinear movement electricity
Machine, rectilinear movement motor are connected with screw mandrel；
Spray body is arranged on above mobile platform, and spray body includes being fixedly mounted on casing and the setting above mobile platform
In the upper lid of casing top, box house is provided with the dividing plate alternate with the transverse and longitudinal of casing integrally connected, and dividing plate is by box house
Separation has three fluid collection chambers, and the closure for preventing coating from spilling, the bottom of each fluid collection chamber are provided with the top of each fluid collection chamber
A body is respectively connected with portion's cavity wall, body end is connected with the mixed sap cavity on box house center, each
Control valve is provided with body, box house is provided with a pump housing, and the pump housing is connected with mixed sap cavity, and liquid is provided with out on the pump housing
Manage, the first cylinder is installed on upper lid, the gliding mass of liftable movement is provided with the first cylinder, the surface of gliding mass is provided with fixation
Plate, the one side being connected with gliding mass in fixed plate are provided with the second cylinder, and the gas bar of the second cylinder runs through its end of fixed plate
It is provided with shower nozzle；
The end of frame is provided with controlling organization.
The controlling organization includes controller and is arranged on the guidance panel on controller surface, and guidance panel is tangible formula
Electrical screen, guidance panel are electrically connected with the controller.
The front end of the shower nozzle is provided with cleaning motor, and cleaning motor end is provided with cleaning brush, stream is provided with shower nozzle
Amount controller, clears up motor and flow controller electrically connects with controlling organization.
The supporting plate is fixedly mounted on above frame, length and the frame equal length of supporting plate, be provided with below supporting plate with
Multiple gussets that frame is fixedly connected.
The feeding roller is arranged in frame by bearing, and it is V-shape that each feeding roller centre position, which is provided with section,
Groove, the angle of groove is 90 ° -150 °.
The screw mandrel is ball-screw, and a screw is provided with screw mandrel, and screw is fixedly mounted on mobile platform lower surface.
The rectilinear movement motor is servomotor, and rectilinear movement motor electrically connects with controlling organization.
First cylinder is built up in tops vertically, and the center of the second cylinder axis and the first cylinder is perpendicular.
The control valve is electrically-controlled valve, and control valve electrically connects with controlling organization.
The use process of the material colour code spray equipment of this sulfur resistive resistant to hydrogen bend pipe tube material is：Step 1: pipe fitting
Positioning：By pipeline material by traveling crane above the feeding roller, make pipe fitting under the groove effect of feeding roller its center with giving
Expect that roller center keeps vertical；Step 2: the fine setting of pipe fitting：Start motor, make the sprocket wheel installed in feeding roll end in chain
Rotate in the presence of bar, so as to drive feeding roller to be rotated, adjust pipe fitting to suitable position during rotation
Put；Step 3: sprinkler height is adjusted：Find out the centre-height of pipe fitting, in the presence of the first cylinder drive shower nozzle position with
Pipe fitting center is contour；Step 4: shower nozzle and the adjustment of pipe fitting spacing：Start the second cylinder, lean on shower nozzle under the promotion of gas bar
Nearly pipe fitting outer wall, now, the cleaning brush on shower nozzle is in contact with pipe fitting outer wall, is stayed between spray nozzle and pipe fitting outer wall
There is 5-15mm gap；Step 5: the spraying of pipe fitting：Using moving linearly, motor driving mobile platform works, and makes the position of shower nozzle
Put and be in pipe fitting end position, start the pump housing, the coating in mixed sap cavity can be imported shower nozzle by drain pipe, and spray from shower nozzle
To on pipe fitting outer wall, in the presence of the motor that moves linearly, shower nozzle is set to be moved along the direction with pipe fitting axis parallel, it is complete
The spraying of quality band.
The feed mechanism includes the multiple feeding rollers for being arranged on central rack and being disposed in parallel relation to one another and installed in frame
The motor of side；The purpose so set is：To after pipe fitting is put on feeding roller, motor is to pipe fitting
Position is finely adjusted, and to meet to be within the stroke of mobile platform the position of pipe fitting, realizes pipe fitting outer wall disposable spray finishing
Purpose.
The sliding equipment includes supporting plate and mobile platform, and supporting plate top position is set close to the surface of supporting plate both sides of the edge
There is guide rail, sliding block is provided with guide rail, mobile platform is installed above sliding block；The purpose so set is：Movement can be reduced
Frictional force between platform and supporting plate, and reach the purpose of mobile platform rectilinear movement, be advantageous to improve the precision of spraying.
The box house is provided with the dividing plate alternate with the transverse and longitudinal of casing integrally connected, and dividing plate, which separates box house, to be had
Three fluid collection chambers；The purpose so set is：Red, yellow, three kinds of colors of basket coating can be contained in three different hydrops
Intracavitary, these three colors can be mixed into random color, can improve the scope of paint color.
The closure for preventing coating from spilling is provided with the top of each fluid collection chamber；The purpose so set is：With
To prevent from during spray equipment moves, preventing settling off from causing spluttering.
A body is respectively connected with the bottom chamber wall of each fluid collection chamber, body end is with being arranged on box house center
Mixed sap cavity on position is connected；The purpose so set is：Coating in three fluid collection chambers can be imported in mixed sap cavity, root
According to the preparation of color paint needed for the different realizations of mixed proportion.
First cylinder is installed on the upper lid, the gliding mass of liftable movement, the surface of gliding mass are provided with the first cylinder
Fixed plate is provided with, the one side being connected in fixed plate with gliding mass is provided with the second cylinder, and the gas bar of the second cylinder is through solid
Its end set of fixed board has shower nozzle；The purpose so set is：The movement of 6 frees degree of shower nozzle can be reached, can be met not
With the spray coating operations on diameter pipes surface, be advantageous to improve the quality sprayed.
Beneficial effects of the present invention are：The present invention is reasonable in design, easy to operate, can be to pipe fitting outer wall surface parallel to pipe
The direction in part axle center carries out straight line spraying, after being intercepted to pipeline, can also be left in the tube surface after interception
Ribbon identification, be advantageous to the management to tube material, reduce cost of labor, reach the purpose of raw material trackability.
Brief description of the drawings
Fig. 1 is the positive dimensional structure diagram of the present invention；
Fig. 2 is the side three-dimensional structure diagram of the present invention；
Fig. 3 is the spray body structural representation of the present invention；
Fig. 4 is the internal structure of the box of the present invention；
Fig. 5 is spray body partial top view of the present invention.
Marked in figure：1st, frame；2nd, feeding roller；3rd, motor；4th, sprocket wheel；5th, chain；6th, driven pulley；7th, motor is installed
Plate；8th, driving wheel；9th, conveyer belt；10th, supporting plate；11st, mobile platform；12nd, sliding block；13rd, guide rail；14th, screw mandrel；15th, move linearly
Motor；16th, casing；17th, dividing plate；18th, fluid collection chamber；19th, closure；20th, body；21st, sap cavity is mixed；22nd, control valve；23rd, the pump housing；
24th, drain pipe；25th, upper lid；26th, the first cylinder；27th, gliding mass；28th, fixed plate；29th, the second cylinder；30th, gas bar；31st, shower nozzle；
32nd, motor is cleared up；33rd, cleaning brush；34th, flow controller；35th, controller；36th, guidance panel；37th, gusset.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
As illustrated, a kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material, including frame 1, feeder
Structure, sliding equipment, spray body and controlling organization, the middle part of frame 1 are provided with pipe fitting to be carried out to the feeder of automatic transport
Structure, feed mechanism include the multiple feeding rollers 2 for being arranged on the middle part of frame 1 and being disposed in parallel relation to one another and installed in the sides of frame 1
Motor 3, the lateral surface of frame 1 are provided with the multiple sprocket wheels 4 being connected with feeding roller 2, are connected between sprocket wheel 4 by chain 5
Connect, be arranged on the sprocket wheel 4 of the end of frame 1 and a driven pulley 6 is connected with by power transmission shaft, the side of frame 1 is provided with motor peace
Loading board 7, the top of motor mounting plate 7 are provided with motor 3, and the shaft end of motor 3 is connected with driving wheel 8, and driving wheel 8 passes through biography
Band 9 is sent to be connected with driven pulley 6；
The other side face of frame 1 is provided with sliding equipment, and sliding equipment includes supporting plate 10 and mobile platform 11, the upper position of supporting plate 10
The surface for resting against the nearly both sides of the edge of supporting plate 10 is provided with guide rail 13, and sliding block 12 is provided with guide rail 13, and the top of sliding block 12 is provided with
Mobile platform 11, the medium position of two guide rails 13 are provided with a screw mandrel 14, and the both ends of screw mandrel 14 are arranged on the boss at the both ends of supporting plate 10
On, the end of supporting plate 10 is provided with rectilinear movement motor 15, and rectilinear movement motor 15 is connected with screw mandrel 14；
Spray body is arranged on the top of mobile platform 11, and spray body includes the casing 16 for being fixedly mounted on the top of mobile platform 11
With the upper lid 25 for being arranged on the top of casing 16, casing 16 is internally provided with the dividing plate alternate with the transverse and longitudinal of the integrally connected of casing 16
17, the inside points of casing 16 are separated with three fluid collection chambers 18 by dividing plate 17, and each top of fluid collection chamber 18 is provided with to prevent coating from spilling
The closure 19 gone out, is respectively connected with a body 20 in the bottom chamber wall of each fluid collection chamber 18, the end of body 20 and is arranged on casing
Mixed sap cavity 21 on 16 inner hub locations is connected, and control valve 22 is provided with each body 20, and the inside of casing 16 is installed
There is a pump housing 23, the pump housing 23 is connected with mixed sap cavity 21, and drain pipe 24 is provided with the pump housing 23, the first cylinder is provided with upper lid 25
26, it is provided with the gliding mass 27 of liftable movement on the first cylinder 26, the surface of gliding mass 27 is provided with fixed plate 28, in fixed plate 28
The one side being connected with gliding mass 27 is provided with the second cylinder 29, and the gas bar 30 of the second cylinder 29 is set through its end of fixed plate 28
It is equipped with shower nozzle 31；
The end of frame 1 is provided with controlling organization.
The controlling organization includes controller 35 and is arranged on the guidance panel 36 on the surface of controller 35, and guidance panel 36 is
Tangible formula electrical screen, guidance panel 36 electrically connect with controller 35.
The front end of the shower nozzle 31 is provided with cleaning motor 32, and the cleaning end set of motor 32 has cleaning brush 33, shower nozzle 31
On be provided with flow controller 34, clear up motor 32 and flow controller 34 electrically connect with controlling organization.
The supporting plate 10 is fixedly mounted on the top of frame 1, length and the equal length of frame 1 of supporting plate 10, the lower section of supporting plate 10
It is provided with the multiple gussets 37 being fixedly connected with frame 1.
The feeding roller 2 is arranged in frame 1 by bearing, and it is V words that each centre position of feeding roller 2, which is provided with section,
The groove of type, the angle of groove is 90 ° -150 °.
The screw mandrel 14 is ball-screw, and a screw is provided with screw mandrel 14, and screw is fixedly mounted under mobile platform 11
Surface.
The rectilinear movement motor 15 is servomotor, and rectilinear movement motor 15 electrically connects with controlling organization.
First cylinder 26 is built up in the top of lid 25, the center of the second cylinder 29 and the center phase of the first cylinder 26 vertically
Vertically.
The control valve 22 is electrically-controlled valve, and control valve 22 electrically connects with controlling organization.
The use process of the material colour code spray equipment of this sulfur resistive resistant to hydrogen bend pipe tube material is：Step 1: pipe fitting
Positioning：By pipeline material by traveling crane mounted in the top of feeding roller 2, make pipe fitting under the groove effect of feeding roller 2 its center with
The center of feeding roller 2 keeps vertical；Step 2: the fine setting of pipe fitting：Start motor 3, make the sprocket wheel installed in the end of feeding roller 2
4 rotate in the presence of chain 5, so as to drive feeding roller 2 to be rotated, adjust pipe fitting to conjunction during rotation
Suitable position；Step 3: shower nozzle 31 is highly adjusted：The centre-height of pipe fitting is found out, spray is driven in the presence of the first cylinder 26
First 31 position and pipe fitting center are contour；Step 4: shower nozzle 31 and the adjustment of pipe fitting spacing：Start the second cylinder 29, in gas bar
Making shower nozzle 31 under 30 promotion, now, the cleaning brush 33 on shower nozzle 31 is in contact with pipe fitting outer wall close to pipe fitting outer wall,
5-15mm gap is left between the nozzle of shower nozzle 31 and pipe fitting outer wall；Step 5: the spraying of pipe fitting：Utilize the motor 15 that moves linearly
Driving mobile platform 11 works, and the position of shower nozzle 31 is in pipe fitting end position, starts the pump housing 23, can be by mixed sap cavity 21
Coating import shower nozzle 31 by drain pipe 24, and sprayed to from shower nozzle 31 on pipe fitting outer wall, in the effect of rectilinear movement motor 15
Under, shower nozzle 31 is moved along the direction with pipe fitting axis parallel, complete the spraying of colour band.
Claims (9)
- A kind of 1. material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material, it is characterised in that：Including frame, feeder Structure, sliding equipment, spray body and controlling organization, central rack are provided with pipe fitting to be carried out to the feeder of automatic transport Structure, feed mechanism include being arranged on central rack and the multiple feeding rollers being disposed in parallel relation to one another and the driving installed in frame side Motor, shell outside face are provided with the multiple sprocket wheels being connected with feeding roller, are connected between sprocket wheel by chain, are arranged on machine A driven pulley is connected with by power transmission shaft on the sprocket wheel of frame end, the side of frame is provided with motor mounting plate, motor mounting plate Top is provided with motor, and motor shaft end is connected with driving wheel, and driving wheel is connected by conveyer belt with driven pulley；Frame other side face is provided with sliding equipment, and sliding equipment includes supporting plate and mobile platform, and supporting plate top position is close The surface of supporting plate both sides of the edge is provided with guide rail, and sliding block is provided with guide rail, mobile platform is provided with above sliding block, two guide rails Medium position is provided with a screw mandrel, and screw mandrel both ends are arranged on the boss of two ends of bearing plate, and deck end is provided with rectilinear movement electricity Machine, rectilinear movement motor are connected with screw mandrel；Spray body is arranged on above mobile platform, and spray body includes being fixedly mounted on casing and the setting above mobile platform In the upper lid of casing top, box house is provided with the dividing plate alternate with the transverse and longitudinal of casing integrally connected, and dividing plate is by box house Separation has three fluid collection chambers, and the closure for preventing coating from spilling, the bottom of each fluid collection chamber are provided with the top of each fluid collection chamber A body is respectively connected with portion's cavity wall, body end is connected with the mixed sap cavity on box house center, each Control valve is provided with body, box house is provided with a pump housing, and the pump housing is connected with mixed sap cavity, and liquid is provided with out on the pump housing Manage, the first cylinder is installed on upper lid, the gliding mass of liftable movement is provided with the first cylinder, the surface of gliding mass is provided with fixation Plate, the one side being connected with gliding mass in fixed plate are provided with the second cylinder, and the gas bar of the second cylinder runs through its end of fixed plate It is provided with shower nozzle；The end of frame is provided with controlling organization.
- 2. a kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material according to claim 1, its feature exist In：Controlling organization includes controller and is arranged on the guidance panel on controller surface, and guidance panel is tangible formula electrical screen, behaviour It is electrically connected with the controller as panel.
- 3. a kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material according to claim 1, its feature exist In：The front end of shower nozzle is provided with cleaning motor, and cleaning motor end is provided with cleaning brush, flow controller is provided with shower nozzle, Cleaning motor and flow controller electrically connect with controlling organization.
- 4. a kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material according to claim 1, its feature exist In：Supporting plate is fixedly mounted on above frame, length and the frame equal length of supporting plate, is provided with below supporting plate and is fixed company with frame The multiple gussets connect.
- 5. a kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material according to claim 1, its feature exist In：Feeding roller is arranged in frame by bearing, and each feeding roller centre position is provided with the groove that section is V-shape, recessed The angle of groove is 90 ° -150 °.
- 6. a kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material according to claim 1, its feature exist In：Screw mandrel is ball-screw, and a screw is provided with screw mandrel, and screw is fixedly mounted on mobile platform lower surface.
- 7. a kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material according to claim 1, its feature exist In：Rectilinear movement motor is servomotor, and rectilinear movement motor electrically connects with controlling organization.
- 8. a kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material according to claim 1, its feature exist In：First cylinder is built up in tops vertically, and the center of the second cylinder axis and the first cylinder is perpendicular.
- 9. a kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material according to claim 1, its feature exist In：Control valve is electrically-controlled valve, and control valve electrically connects with controlling organization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919442.XA CN107552278A (en) | 2017-09-30 | 2017-09-30 | A kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919442.XA CN107552278A (en) | 2017-09-30 | 2017-09-30 | A kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107552278A true CN107552278A (en) | 2018-01-09 |
Family
ID=60984141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710919442.XA Withdrawn CN107552278A (en) | 2017-09-30 | 2017-09-30 | A kind of material colour code spray equipment of sulfur resistive resistant to hydrogen bend pipe tube material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107552278A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013878A (en) * | 2019-12-31 | 2020-04-17 | 界首市神机合自动化科技有限公司 | Multi-pipe-diameter clamping device based on automation |
| CN111409938A (en) * | 2020-04-03 | 2020-07-14 | 安徽猛牛彩印包装有限公司 | Preheating device for conveying printing glue solution |
| CN112238016A (en) * | 2020-09-23 | 2021-01-19 | 吕加芳 | Bridge pipe fitting processing is with having automatic feeding structure coating device |
| CN113414050A (en) * | 2021-04-11 | 2021-09-21 | 太原科技大学 | Bar end painting device |
-
2017
- 2017-09-30 CN CN201710919442.XA patent/CN107552278A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013878A (en) * | 2019-12-31 | 2020-04-17 | 界首市神机合自动化科技有限公司 | Multi-pipe-diameter clamping device based on automation |
| CN111409938A (en) * | 2020-04-03 | 2020-07-14 | 安徽猛牛彩印包装有限公司 | Preheating device for conveying printing glue solution |
| CN112238016A (en) * | 2020-09-23 | 2021-01-19 | 吕加芳 | Bridge pipe fitting processing is with having automatic feeding structure coating device |
| CN112238016B (en) * | 2020-09-23 | 2022-10-25 | 吕加芳 | Bridge pipe fitting processing is with having automatic feeding structure coating device |
| CN113414050A (en) * | 2021-04-11 | 2021-09-21 | 太原科技大学 | Bar end painting device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180109 |
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| WW01 | Invention patent application withdrawn after publication |