CN217191753U - Steel sheet processing is with opening flat-bed machine that has surface structure of clearing up in advance - Google Patents
Steel sheet processing is with opening flat-bed machine that has surface structure of clearing up in advance Download PDFInfo
- Publication number
- CN217191753U CN217191753U CN202220509774.7U CN202220509774U CN217191753U CN 217191753 U CN217191753 U CN 217191753U CN 202220509774 U CN202220509774 U CN 202220509774U CN 217191753 U CN217191753 U CN 217191753U
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- Prior art keywords
- roller
- frame
- motor
- steel sheet
- rod
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 13
- 230000003028 elevating effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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- 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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- Cleaning In General (AREA)
Abstract
The utility model discloses a steel sheet processing is with opening flat-bed machine that has surface clearance structure in advance, which comprises a frame, the guide rod is run through and installed at the top of frame, and the elevating platform is installed to the bottom of guide rod, installs the support frame on the inboard diapire of frame, and the inboard movable mounting of support frame has the lower back-up roll, and the lower back-up roll is located the below of elevating platform. The utility model discloses an install and clean the roller, step motor moves the transmission roller that drives the output and rotates, the rotatory steel sheet that drives the top of transmission roller removes to the left side, because spacing roller of influence of extrusion force then rotates, be used for guiding the steel sheet and remove, the steel sheet can be through the upper surface of cleaning the roller and the below of clearance brush, the roller that cleans of output is driven in the servo motor operation, clean the roller and clear up the lower surface of steel sheet, the top at the steel sheet is pasted to the clearance brush simultaneously, clear up the top of steel sheet.
Description
Technical Field
The utility model relates to a steel sheet processing technology field specifically is a steel sheet processing is with opening flat-bed machine that has surface clearance structure in advance.
Background
In the production process of the steel plate, the uncoiled strip steel blank needs to be subjected to open leveling treatment firstly, namely, the plate material is repeatedly deformed between an upper leveling roller and a lower leveling roller by utilizing the multi-roller working principle, the stress is eliminated, and the purpose of leveling is achieved, so that the steel plate is machined.
The flat-bed machine in the prior art has the defects that:
1. patent document CN208527747U discloses a belted steel decoiler with shock-absorbing function, "including decoiler base and decoiler body, the inside of decoiler base has been seted up and has been unloaded the power chamber, unload two power balls of fixedly connected with symmetry on the inner wall of power chamber bottom, unload the top of power ball and seted up and unload the power groove, it has the pole of exerting force through gyro wheel sliding connection on the internal surface in power groove to unload, the top fixedly connected with support column of pole of exerting force, the top of support column is run through decoiler base fixed connection in the bottom of decoiler body. The utility model discloses an unload the power ball and unload the power to the support column, rethread cooperation atress board supports the buffering to the application of force board, the buffering that utilizes the buffer solution through transfer line and buffer piston at last reaches final absorbing effect, and then the very big vibrations that open the flat-bed machine during operation that have reduced to reach and be convenient for promote the effect "but the device of the daily processingquality of open the flat-bed machine lacks the clearance structure in advance, can't clear up the surface of raw materials, impurity on the raw materials can influence final off-the-shelf quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel sheet processing is with opening flat-bed machine that has surface clearance structure in advance to solve the problem that provides among the above-mentioned background art.
In order to achieve the purpose, the utility model provides a following technical scheme, a steel sheet processing is with opening flat-bed machine with surface clearance structure in advance, including the frame, the top of frame runs through and installs the guide bar, and the elevating platform is installed to the bottom of guide bar, installs the support frame on the inboard diapire of frame, and the inboard movable mounting of support frame has the lower back-up roll, and the lower back-up roll is located the below of elevating platform;
a fixed frame is arranged on one side of the frame;
the utility model discloses a cleaning brush, including frame, telescopic link, crane, dead lever, cleaning brush, frame, installation rack, the mounting bracket is installed to the opposite side of frame, the top of mounting bracket is run through and is installed the telescopic link, the crane is installed to the bottom of telescopic link, the dead lever is installed to the inboard of crane, the cleaning brush is installed to the bottom of dead lever.
Preferably, the top of the frame is provided with a motor, and the output end of the motor is provided with a threaded rod.
Preferably, an internal thread sleeve is installed at the top of the lifting platform, the internal thread sleeve is located between the two groups of guide rods, a bearing seat is installed at the bottom of the lifting platform, an upper extrusion roller is movably installed on the inner side of the bearing seat, a driving motor is installed at one end of the upper extrusion roller, and the driving motor is installed on one side of the bearing seat.
Preferably, a control motor is installed at one end of the lower supporting roll and is installed on the outer wall of one side of the supporting frame.
Preferably, the rotary rod is installed to the inboard of mounting bracket, the roller that cleans is installed in the outside of rotary rod, clean the below that the roller is located the cleaning brush, servo motor is installed to the one end of rotary rod, servo motor installs on one side outer wall of mounting bracket, the drive wheel is installed to the other end of rotary rod, two sets of drive wheels pass through the drive belt and connect, the inboard movable mounting of mounting bracket has the transmission roller, step motor is installed to the one end of transmission roller, step motor installs on mounting bracket one side outer wall, and step motor is located one side of servo motor.
Preferably, two groups of limiting rollers are movably mounted on the inner side of the lifting frame and are positioned on two sides of the fixing rod.
Preferably, a transmission rod is movably mounted on the inner side of the fixing frame, an output roller is mounted on the outer side of the transmission rod, a variable frequency motor is mounted at one end of the transmission rod, and the variable frequency motor is mounted on the outer wall of one side of the fixing frame.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an install and clean the roller, step motor moves the transmission roller that drives the output and rotates, the rotatory steel sheet that drives the top of transmission roller removes to the left side, because spacing roller of influence of extrusion force then rotates, be used for guiding the steel sheet and remove, the steel sheet can be through the upper surface of cleaning the roller and the below of clearance brush, the roller that cleans of output is driven in the servo motor operation, clean the roller and clear up the lower surface of steel sheet, the top at the steel sheet is pasted to the clearance brush simultaneously, clear up the top of steel sheet.
2. The utility model discloses an install the threaded rod, the frame is fixed to the motor, guarantee motor even running, the threaded rod that motor operation drove the output rotates, the threaded rod rotates and drives outside screw thread rotation, the internal thread sleeve pipe that drives the outside through the screw thread reciprocates, in-process that the internal thread sleeve pipe removed drives the elevating platform one end of bottom, the elevating platform is located and drives the guide bar and removes, the guide bar removes in the top inboard of frame, remove by guide bar guiding device, avoid the in-process of device removal to take place the condition of skew, the workman processes the steel sheet of different thickness through elevation structure, thereby obtain the product that needs.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
FIG. 3 is a schematic view of the elevating platform of the present invention;
FIG. 4 is a schematic view of the supporting frame of the present invention;
FIG. 5 is a schematic view of the structure of the spacing roller of the present invention;
fig. 6 is a schematic view of the fixing frame of the present invention.
In the figure: 1. a frame; 101. an electric motor; 102. a threaded rod; 2. a lifting platform; 201. an internally threaded sleeve; 202. a guide rod; 203. a bearing seat; 204. a drive motor; 205. an upper squeeze roll; 3. a support frame; 301. a lower support roller; 302. controlling the motor; 4. a mounting frame; 401. a telescopic rod; 402. a lifting frame; 403. fixing the rod; 404. cleaning a brush; 405. a limiting roller; 406. a transfer roller; 407. a stepping motor; 408. a servo motor; 409. rotating the rod; 4010. cleaning the roller; 4011. a driving wheel; 5. a fixed mount; 501. a transmission rod; 502. an output roller; 503. a variable frequency motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, 2, 3 and 4, a decoiler with a surface pre-cleaning structure for processing a steel plate;
the first embodiment is as follows: the lifting platform comprises a frame 1, wherein a motor 101 is installed at the top of the frame 1, a threaded rod 102 is installed at the output end of the motor 101, guide rods 202 are installed at the top of the frame 1 in a penetrating mode, a lifting platform 2 is installed at the bottom end of each guide rod 202, an internal thread sleeve 201 is installed at the top of each lifting platform 2, the internal thread sleeve 201 is located between the two groups of guide rods 202, the frame 1 fixes the motor 101 to ensure that the motor 101 runs stably, the motor 101 runs to drive the threaded rod 102 of the output end to rotate, the threaded rod 102 rotates to drive an external thread to rotate, the external internal thread sleeve 201 is driven to move up and down through the thread, one end of the lifting platform 2 at the bottom end is driven in the moving process of the internal thread sleeve 201, the lifting platform 2 is located to drive the guide rods 202 to move, the guide rods 202 move on the inner side of the top of the frame 1 and are guided by the guide rods 202 to move, and the device is prevented from shifting in the moving process, the bottom of the lifting platform 2 is provided with a bearing seat 203, the inner side of the bearing seat 203 is movably provided with an upper squeeze roller 205, one end of the upper squeeze roller 205 is provided with a driving motor 204, the driving motor 204 is arranged at one side of the bearing seat 203, the inner side bottom wall of the frame 1 is provided with a support frame 3, the inner side of the support frame 3 is movably provided with a lower support roller 301, the lower support roller 301 is positioned below the lifting platform 2, one end of the lower support roller 301 is provided with a control motor 302, the control motor 302 is arranged on the outer wall at one side of the support frame 3, the lifting platform 2 is supported by the upper squeeze roller 205 at the inner side of the bearing seat 203 at the bottom to ensure that the upper squeeze roller 205 can stably run, after the steel plate moves to the upper portion of the lower support roller 301, the upper squeeze roller 205 is driven by the lifting structure to move to the upper portion of the steel plate, the steel plate is squeezed through the cooperation of the upper squeeze roller 205 and the lower support roller 301, the driving motor 204 runs to drive the upper squeeze roller 205 at the output end to rotate, meanwhile, the motor 302 is controlled to operate to drive the lower support roller 301 at the output end to rotate, and the steel plate is extruded and corrected by rotating the lower support roller 301 and the upper extrusion roller 205, so that the shape of the steel plate meets the requirement;
referring to fig. 1, 2 and 6, a decoiler with a surface pre-cleaning structure for processing a steel plate;
example two: the steel plate conveying device comprises a frame 1, wherein a fixed frame 5 is arranged on one side of the frame 1, a transmission rod 501 is movably arranged on the inner side of the fixed frame 5, an output roller 502 is arranged on the outer side of the transmission rod 501, a variable frequency motor 503 is arranged at one end of the transmission rod 501, the variable frequency motor 503 is arranged on the outer wall of one side of the fixed frame 5, the fixed frame 5 supports the transmission rod 501, the variable frequency motor 503 operates to drive the transmission rod 501 at the output end to rotate while a steel plate is conveyed to the upper surface of the output roller 502 at the lower part, the transmission rod 501 rotates to drive the output roller 502 at the outer side to rotate, the output roller 502 drives a product to displace, and the product is moved to the outer side of the device;
referring to fig. 1, 2 and 5, a decoiler with a surface pre-cleaning structure for processing a steel plate;
example three: including frame 1, mounting bracket 4 is installed to the opposite side of frame 1, the top of mounting bracket 4 is run through and is installed telescopic link 401, crane 402 is installed to the bottom of telescopic link 401, dead lever 403 is installed to the inboard of crane 402, cleaning brush 404 is installed to the bottom of dead lever 403, rotary rod 409 is installed to the inboard of mounting bracket 4, cleaning roller 4010 is installed in the outside of rotary rod 409, cleaning roller 4010 is located the below of cleaning brush 404, servo motor 408 is installed to the one end of rotary rod 409, servo motor 408 is installed on the outer wall of one side of mounting bracket 4, drive wheel 4011 is installed to the other end of rotary rod 409, two sets of drive wheels 4011 are connected through the drive belt, the inboard movable mounting of mounting bracket 4 has transmission roller 406, step motor 407 is installed to the one end of transmission roller 406, step motor 407 is installed on the outer wall of one side of mounting bracket 4, and step motor 407 is located one side of servo motor 408, two groups of limiting rollers 405 are movably installed on the inner side of the lifting frame 402, the two groups of limiting rollers 405 are located on two sides of the fixed rod 403, a processed steel plate moves to the upper surface of the transmission roller 406, meanwhile, the telescopic rod 401 on the mounting frame 4 operates to drive the lifting frame 402 at the bottom end to move downwards, the lifting frame 402 moves downwards to drive the fixed rod 403 and the limiting rollers 405 on the inner side to move downwards, the limiting rollers 405 are pressed above the steel plate, the stepping motor 407 operates to drive the transmission roller 406 at the output end to rotate, the transmission roller 406 rotates to drive the steel plate above to move towards the left side, the limiting rollers 405 rotate along with the steel plate due to the influence of extrusion force and are used for guiding the steel plate to move, the steel plate can pass through the upper surface of the cleaning roller 4010 and the lower surface of the cleaning brush 404, the servo motor 408 operates to drive the cleaning roller 4010 at the output end to rotate, the cleaning roller 4010 cleans the lower surface of the steel plate, and the cleaning brush 404 is attached above the steel plate, clear up the top of steel sheet, transmission roller 406 rotates the drive wheel 4011 who drives one end and rotates, and drive wheel 4011 passes through the belt and drives another group drive wheel 4011 rotatory to drive another group transmission roller 406 and rotate, guarantee that the steel sheet can normally transmit away.
The working principle is that the transmission roller 406 rotates to drive the transmission wheel 4011 at one end to rotate, the transmission wheel 4011 drives another transmission wheel 4011 to rotate through a belt, so as to drive another transmission roller 406 to rotate, thereby ensuring that a steel plate can be normally transmitted, the stepping motor 407 operates to drive the transmission roller 406 at the output end to rotate, the transmission roller 406 rotates to drive the steel plate above to move to the left, the limiting roller 405 rotates due to the influence of extrusion force to guide the steel plate to move, the steel plate passes through the upper surface of the cleaning roller 4010 and the lower part of the cleaning brush 404, the servo motor 408 operates to drive the cleaning roller 4010 at the output end to rotate, the cleaning roller 4010 cleans the lower surface of the steel plate, meanwhile, the cleaning brush 404 is attached above the steel plate to clean the upper part of the steel plate, the steel plate is transmitted above the lower support roller 301, the motor 101 operates to drive the threaded rod 102 at the output end to rotate, the threaded rod 102 rotates to drive the outer thread to rotate, the internal thread sleeve 201 on the outer side is driven to move up and down through threads, one end of a lifting platform 2 at the bottom end is driven in the moving process of the internal thread sleeve 201, the lifting platform 2 is located at one end of a driving guide rod 202 to move, the guide rod 202 moves on the inner side of the top of a frame 1 and is guided by a guide device of the guide rod 202, the situation that deviation occurs in the moving process of the device is avoided, the lifting platform 2 is supported by an upper extrusion roller 205 on the inner side of a bearing seat 203 at the bottom to ensure that the upper extrusion roller 205 can stably operate, after a steel plate moves to the upper part of a lower support roller 301, the upper extrusion roller 205 moves to the upper part of the steel plate under the driving of a lifting structure, the steel plate is extruded through the matching of the upper extrusion roller 205 and the lower support roller 301, a driving motor 204 operates to drive the upper extrusion roller 205 at the output end to rotate, and simultaneously a control motor 302 operates to drive the lower support roller 301 at the output end to rotate, and the lower support roller 301 and the upper extrusion roller 205 extrude and correct the steel plate through rotation, the shape of the steel plate meets the requirement, the variable frequency motor 503 operates to drive the transmission rod 501 at the output end to rotate, the transmission rod 501 rotates to drive the output roller 502 at the outer side to rotate, the output roller 502 drives the product to displace, and the product is moved to the outer side of the device.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a steel sheet processing is with opening flat-bed machine that has surface clearance structure in advance, includes frame (1), its characterized in that: the top of the frame (1) is provided with a guide rod (202) in a penetrating manner, the bottom end of the guide rod (202) is provided with a lifting table (2), the bottom wall of the inner side of the frame (1) is provided with a support frame (3), the inner side of the support frame (3) is movably provided with a lower support roller (301), and the lower support roller (301) is positioned below the lifting table (2);
a fixed frame (5) is arranged on one side of the frame (1);
mounting bracket (4) are installed to the opposite side of frame (1), the top of mounting bracket (4) is run through and is installed telescopic link (401), crane (402) are installed to the bottom of telescopic link (401), dead lever (403) are installed to the inboard of crane (402), cleaning brush (404) are installed to the bottom of dead lever (403).
2. The decoiler with surface pre-cleaning structure for processing steel plates as claimed in claim 1, wherein: the top of frame (1) is installed motor (101), threaded rod (102) are installed to the output of motor (101).
3. The decoiler with surface pre-cleaning structure for processing steel plates as claimed in claim 1, wherein: an internal thread sleeve (201) is installed at the top of the lifting platform (2), the internal thread sleeve (201) is located between the two groups of guide rods (202), a bearing seat (203) is installed at the bottom of the lifting platform (2), an upper squeeze roller (205) is movably installed on the inner side of the bearing seat (203), a driving motor (204) is installed at one end of the upper squeeze roller (205), and the driving motor (204) is installed on one side of the bearing seat (203).
4. The decoiler with surface pre-cleaning structure for processing steel plates as claimed in claim 1, wherein: and a control motor (302) is installed at one end of the lower supporting roller (301), and the control motor (302) is installed on the outer wall of one side of the supporting frame (3).
5. The decoiler with surface pre-cleaning structure for processing steel plates as claimed in claim 1, wherein: rotary rod (409) are installed to the inboard of mounting bracket (4), clean roller (4010) are installed in the outside of rotary rod (409), clean roller (4010) and be located the below of cleaning brush (404), servo motor (408) are installed to the one end of rotary rod (409), servo motor (408) are installed on one side outer wall of mounting bracket (4), drive wheel (4011) are installed to the other end of rotary rod (409), two sets of drive wheel (4011) are connected through the drive belt, the inboard movable mounting of mounting bracket (4) has transmission roller (406), step motor (407) are installed to the one end of transmission roller (406), step motor (407) are installed on mounting bracket (4) one side outer wall, and step motor (407) are located one side of servo motor (408).
6. The decoiler with surface pre-cleaning structure for processing steel plates as claimed in claim 1, wherein: two sets of spacing rollers (405) are movably mounted on the inner side of the lifting frame (402), and the two sets of spacing rollers (405) are located on two sides of the fixing rod (403).
7. The decoiler with surface pre-cleaning structure for processing steel plates as claimed in claim 1, wherein: the inner side of the fixing frame (5) is movably provided with a transmission rod (501), the outer side of the transmission rod (501) is provided with an output roller (502), one end of the transmission rod (501) is provided with a variable frequency motor (503), and the variable frequency motor (503) is arranged on the outer wall of one side of the fixing frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220509774.7U CN217191753U (en) | 2022-03-10 | 2022-03-10 | Steel sheet processing is with opening flat-bed machine that has surface structure of clearing up in advance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220509774.7U CN217191753U (en) | 2022-03-10 | 2022-03-10 | Steel sheet processing is with opening flat-bed machine that has surface structure of clearing up in advance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217191753U true CN217191753U (en) | 2022-08-16 |
Family
ID=82754984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220509774.7U Expired - Fee Related CN217191753U (en) | 2022-03-10 | 2022-03-10 | Steel sheet processing is with opening flat-bed machine that has surface structure of clearing up in advance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217191753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570049A (en) * | 2022-10-25 | 2023-01-06 | 宿迁市华力新材料科技有限公司 | Correction device for corrosion foil wavy edge |
| CN116371966A (en) * | 2023-05-29 | 2023-07-04 | 沧州市鑫宜达管道有限公司 | Leveling device for raw materials for spiral submerged arc welded pipe production |
-
2022
- 2022-03-10 CN CN202220509774.7U patent/CN217191753U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570049A (en) * | 2022-10-25 | 2023-01-06 | 宿迁市华力新材料科技有限公司 | Correction device for corrosion foil wavy edge |
| CN115570049B (en) * | 2022-10-25 | 2023-11-28 | 宿迁市华力新材料科技有限公司 | Correcting device for wave edge of corrosion foil |
| CN116371966A (en) * | 2023-05-29 | 2023-07-04 | 沧州市鑫宜达管道有限公司 | Leveling device for raw materials for spiral submerged arc welded pipe production |
| CN116371966B (en) * | 2023-05-29 | 2023-08-22 | 沧州市鑫宜达管道有限公司 | Leveling device for raw materials for spiral submerged arc welded pipe production |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20220816 |