CN219946194U - Corrugated pipe scribing equipment - Google Patents
Corrugated pipe scribing equipment Download PDFInfo
- Publication number
- CN219946194U CN219946194U CN202320638935.7U CN202320638935U CN219946194U CN 219946194 U CN219946194 U CN 219946194U CN 202320638935 U CN202320638935 U CN 202320638935U CN 219946194 U CN219946194 U CN 219946194U
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- gear
- sliding
- scribing
- corrugated pipe
- bellows
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- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 7
- 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
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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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Abstract
The utility model relates to the technical field of corrugated pipe scribing, in particular to corrugated pipe scribing equipment which comprises an operation table, and a positioning mechanism, a pressing mechanism and a scribing mechanism which are arranged on the operation table, wherein the two positioning mechanisms are oppositely arranged at two ends of the operation table, the pressing mechanism is fixedly arranged at the upper ends of the two positioning mechanisms, the scribing mechanism is arranged between the two positioning mechanisms, and a corrugated pipe is arranged on the pressing mechanism. The corrugated pipe one end is fixed on hold-down mechanism, removes the positioning mechanism of the other end, adjusts suitable position, adopts hold-down mechanism to compress tightly the corrugated pipe other end, and marking mechanism is automatic to the marking off of corrugated pipe, and whole process adopts the machine to fix a position, compress tightly, mark a line the corrugated pipe, has replaced artifical manual marking off, makes the marking off position more accurate, improves marking off efficiency simultaneously.
Description
Technical Field
The utility model relates to the technical field of corrugated pipe scribing, in particular to corrugated pipe scribing equipment.
Background
The corrugated pipe is a pipe with good flexibility, bending property and the like, the pipe body of the corrugated pipe consists of a corrugated section and a straight line section, and normally staff can score a product by means of a marking tool, and the marking tool is a caliper which vacates the marking position; the specific operation method is that one staff uses a tool to position the scribing position, and the other staff uses a paint pen to scribe a circle of the pipeline at the tool free position. However, since staff cannot accurately position the scribing position, complete scribing cannot be smoothly performed, and thus the problems of inaccurate scribing position, poor scribing quality, overlarge labor hour consumption and the like occur.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a corrugated pipe scribing device.
The utility model provides corrugated pipe scribing equipment which adopts the following technical scheme:
the utility model provides a bellows marking off equipment, includes operation panel and setting up positioning mechanism, hold-down mechanism, the marking off mechanism on the operation panel, two positioning mechanism sets up relatively the both ends of operation panel, two positioning mechanism upper end is all fixed to be equipped with hold-down mechanism, the setting of marking off mechanism is between two positioning mechanism be equipped with the bellows on the hold-down mechanism.
Through adopting above-mentioned technical scheme, bellows one end is fixed on hold-down mechanism, removes the positioning mechanism of the other end, adjusts suitable position, compresses tightly the bellows other end adoption hold-down mechanism, and marking mechanism is automatic to the marking off of bellows, and whole process adopts the machine to fix a position, compress tightly, mark a line to the bellows, has replaced artifical manual marking off, makes the marking off position more accurate, improves marking off efficiency simultaneously.
Preferably, the positioning mechanism comprises a threaded rod, a nut, a first sliding block, a first sliding rail and a support, wherein the threaded rod penetrates through the nut, the nut is fixedly arranged on the side face of the support, the first sliding block is fixedly arranged at the lower end of the support, the first sliding rail is horizontally arranged on the operating platform, the first sliding block is in sliding connection with the first sliding rail, a graduated scale is arranged on the operating platform parallel to the threaded rod, a pointer is arranged on the first sliding block, and the pointer points to graduations on the graduated scale.
Through adopting above-mentioned technical scheme, adopt nut and threaded rod to remove the support, and then remove hold-down mechanism, set up pointer and scale, make the distance that hold-down mechanism removed more accurate.
Preferably, a supporting seat is arranged at one end of the first sliding rail far away from the scribing mechanism, the threaded rod penetrates through the supporting seat, and a compass is arranged at one end of the threaded rod close to the supporting seat.
Preferably, the compressing mechanism comprises an elbow clamp, a positioning plate, a connecting block, a slide column and a cylinder, wherein the positioning plate is fixedly arranged at the upper end of the support, the connecting block is fixedly arranged on the side face of the support, the cylinder is fixedly arranged at the lower end of the connecting block, a sliding groove is arranged in the connecting block, the sliding groove is in sliding connection with the slide column, one end of the slide column is connected with a piston rod of the cylinder, the other end of the slide column is in rotating connection with the elbow clamp, a first clamping groove is formed in the elbow clamp and close to the corrugated pipe, a second clamping groove is formed in the positioning plate, and the corrugated pipe is clamped by the first clamping groove and the second clamping groove when the slide column slides downwards.
Through adopting above-mentioned technical scheme, press the elbow clamp to locating plate direction with the hand, the traveller slides downwards, and first draw-in groove and second draw-in groove are with the bellows clamp.
Preferably, the scribing mechanism comprises a pen clamping assembly and a driving assembly, the pen clamping assembly is arranged on the driving assembly, the driving assembly comprises a driving motor, a speed reducer, a driving wheel, a first gear, a second gear, a third gear, a fourth gear and a mounting plate, the driving wheel, the first gear, the second gear, the third gear and the fourth gear are all arranged on the mounting plate, the first gear is meshed with the driving wheel, the second gear and the third gear are all meshed with the fourth gear and the first gear, the driving wheel is arranged at the output end of the speed reducer, the input end of the speed reducer is connected with the output end of the driving motor, and the pen clamping assembly is arranged on one side surface of the fourth gear.
Through adopting above-mentioned technical scheme, drive assembly drives and presss from both sides a subassembly, specifically is that driving motor, speed reducer drive action wheel rotate, action wheel drive first gear rotate, first gear drive second gear and third gear rotate, second gear and third gear drive fourth gear rotate, fourth gear drive press from both sides a subassembly and rotate.
Preferably, an L-shaped plate is vertically and fixedly arranged on one side surface of the fourth gear, a second sliding rail is vertically and fixedly arranged on the horizontal surface of the L-shaped plate, the second sliding rail is parallel to the vertical surface of the L-shaped plate, an elastic element is arranged on the horizontal surface of the L-shaped plate, which is close to the second sliding rail, the upper end of the elastic element is abutted to a second sliding block, and the second sliding block is in sliding connection with the second sliding rail.
Preferably, the pen clamping assembly comprises a scribing pen, a fixing piece and a locking piece, the scribing pen is arranged in the fixing piece, a pen point of the scribing pen faces the corrugated pipe, the locking piece is arranged in the fixing piece in a threaded connection mode, the locking piece is abutted to the scribing pen, and the fixing piece is fixed on the second sliding block.
Through adopting above-mentioned technical scheme, the mounting sets up on the second slider, and the second slider passes through elastic element with L template to be connected, when pressing from both sides the pen subassembly and do circular motion along with the fourth gear, the nib laminating bellows all the time of marking off pen.
Preferably, a steering motor is arranged on the operating platform close to the L-shaped plate, one end of the baffle is fixedly connected with the output end of the steering motor, the bottom of the other end of the baffle is abutted to one end of the Z-shaped plate, and the other end of the Z-shaped plate is fixedly arranged on the fixing piece.
By adopting the technical scheme, the baffle blocks the Z-shaped plate, so that the corrugated pipe is not marked on strokes when the corrugated pipe is positioned, and the confusion of the last mark is avoided.
Preferably, position sensors are sequentially arranged at the upper and lower positions of the cylinder, and the position sensors are in signal connection with the cylinder.
Through adopting above-mentioned technical scheme, set up position sensor, the position of response traveller, when the traveller reached the position of setting, the cylinder started, drove the traveller and down or upwards moved.
In summary, the utility model has the following beneficial technical effects:
1. the corrugated pipe one end is fixed on hold-down mechanism, removes the positioning mechanism of the other end, adjusts suitable position, adopts hold-down mechanism to compress tightly the corrugated pipe other end, and marking mechanism is automatic to the marking off of corrugated pipe, and whole process adopts the machine to fix a position, compress tightly, mark a line the corrugated pipe, has replaced artifical manual marking off, makes the marking off position more accurate, improves marking off efficiency simultaneously.
2. The equipment adopts the gear to rotate to drive the scribing pen to rotate, so that the scribing pen can scribe the corrugated pipe, and the operation is simple and convenient.
3. The Z-shaped plate is pressed by the baffle plate, so that the corrugated pipe is prevented from being marked by the marking pen in the process of positioning the corrugated pipe, the last mark is disordered, and the elastic element is arranged, so that the marking pen has an elastic force approaching to the corrugated pipe, and the marking pen is clearer in the marking process.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a positioning mechanism;
FIG. 3 is a schematic structural view of the hold-down mechanism;
FIG. 4 is a schematic structural view of the scribing mechanism;
fig. 5 is a right side view of fig. 4.
Reference numerals illustrate: 1. an operation table; 2. a compass; 3. a support base; 4. a threaded rod; 5. a nut; 6. a bracket; 7. a bellows; 8. an elbow clamp; 9. a positioning plate; 10. a mounting plate; 11. a fourth gear; 12. a first slider; 13. a first slide rail; 14. a steering motor; 15. a baffle; 16. a Z-shaped plate; 17. a scribing pen; 18. a graduated scale; 19. a pointer; 20. a connecting block; 21. a spool; 22. a cylinder; 23. a driving motor; 24. a speed reducer; 25. a driving wheel; 26. a first gear; 27. a second gear; 28. a third gear; 29. a fixing member; 30. an elastic element; 31. a second slider; 32. a second slide rail; 33. an L-shaped plate.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-5.
Referring to fig. 1-5, the embodiment discloses a corrugated pipe scribing device, which comprises an operation table 1, and a positioning mechanism, a pressing mechanism and a scribing mechanism which are arranged on the operation table 1, wherein the two positioning mechanisms are oppositely arranged at two ends of the operation table 1, the pressing mechanism is fixedly arranged at the upper ends of the two positioning mechanisms, the scribing mechanism is arranged between the two positioning mechanisms, and a corrugated pipe 7 is arranged on the pressing mechanism. The bellows 7 one end is fixed on hold-down mechanism, removes the positioning mechanism of the other end, adjusts suitable position, adopts hold-down mechanism to compress tightly the bellows 7 other end, and marking mechanism is automatic to the marking off of bellows 7, and whole process adopts the machine to fix a position, compress tightly, mark a line to bellows 7, has replaced artifical manual marking off, makes the marking off position more accurate, improves simultaneously and marks out efficiency.
Referring to fig. 2, the positioning mechanism comprises a threaded rod 4, a nut 5, a first sliding block 12, a first sliding rail 13 and a bracket 6, wherein the threaded rod 4 passes through the nut 5, the nut 5 is fixedly arranged on the side surface of the bracket 6, the lower end of the bracket 6 is fixedly provided with the first sliding block 12, the first sliding rail 13 is horizontally arranged on the operation table 1, the first sliding block 12 is in sliding connection with the first sliding rail 13, a graduated scale 18 is arranged on the operation table 1 parallel to the threaded rod 4, a pointer 19 is arranged on the first sliding block 12, and the pointer 19 points to graduations on the graduated scale 18. The nut 5 and the threaded rod 4 are adopted to move the support, so that the pressing mechanism is moved, and the pointer 19 and the graduated scale 18 are arranged, so that the moving distance of the pressing mechanism is more accurate.
The end of the first sliding rail 13 far away from the scribing mechanism is provided with a supporting seat 3, the threaded rod 4 penetrates through the supporting seat 3, and one end of the threaded rod 4 close to the supporting seat 3 is provided with a compass 2.
Referring to fig. 3, the pressing mechanism includes an elbow clamp 8, a positioning plate 9, a connecting block 20, a slide column 21, and an air cylinder 22, wherein the positioning plate 9 is fixedly arranged at the upper end of the bracket 6, the connecting block 20 is fixedly arranged at the side surface of the bracket 6, the air cylinder 22 is fixedly arranged at the lower end of the connecting block 20, a sliding groove is arranged in the connecting block 20, the sliding groove is slidably connected with the slide column 21, one end of the slide column 21 is connected with a piston rod of the air cylinder 22, the other end of the slide column 21 is rotatably connected with the elbow clamp 8, a first clamping groove is arranged on the elbow clamp 8 close to the corrugated pipe 7, a second clamping groove is arranged on the positioning plate 9, and when the slide column 21 slides downwards, the corrugated pipe 7 is clamped by the first clamping groove and the second clamping groove. The elbow clamps 8 are pressed by hands towards the positioning plate 9, the sliding column slides downwards, and the corrugated pipe is clamped by the first clamping groove and the second clamping groove.
Referring to fig. 4 to 5, the scribing mechanism includes a pen clamping assembly and a driving assembly, the pen clamping assembly is disposed on the driving assembly, the driving assembly includes a driving motor 23, a speed reducer 24, a driving wheel 25, a first gear 26, a second gear 27, a third gear 28, a fourth gear 11, a mounting plate 10, the driving wheel 25, the first gear 26, the second gear 27, the third gear 28 and the fourth gear 11 are all disposed on the mounting plate 10, the first gear 26 is engaged with the driving wheel 25, the second gear 27 and the third gear 28 are engaged with the fourth gear 11 and the first gear 26, the driving wheel 25 is disposed at an output end of the speed reducer 24, an input end of the speed reducer 24 is connected with an output end of the driving motor 23, and the pen clamping assembly is disposed on one side of the fourth gear 11. The driving assembly drives the pen clamping assembly, specifically, the driving motor 23 and the speed reducer 24 drive the driving wheel 25 to rotate, the driving wheel 25 drives the first gear 26 to rotate, the first gear 26 drives the second gear 27 and the third gear 28 to rotate, the second gear 27 and the third gear 28 drive the fourth gear 11 to rotate, and the fourth gear 11 drives the pen clamping assembly to rotate.
An L-shaped plate 33 is vertically and fixedly arranged on one side surface of the fourth gear 11, a second sliding rail 32 is vertically and fixedly arranged on the horizontal surface of the L-shaped plate 33, the second sliding rail 32 is parallel to the vertical surface of the L-shaped plate 33, an elastic element 30 is arranged on the horizontal surface of the L-shaped plate 33 close to the second sliding rail 32, the upper end of the elastic element 30 is abutted against a second sliding block 31, and the second sliding block 31 is in sliding connection with the second sliding rail 32.
The pencil clamping assembly comprises a scribing pencil 17, a fixing piece 29 and a locking piece, wherein the scribing pencil 17 is arranged in the fixing piece 29, a pencil point of the scribing pencil 17 faces the corrugated pipe 7, the locking piece is arranged in the fixing piece 29 in a threaded connection mode, the locking piece is abutted with the scribing pencil 17, and the fixing piece 29 is fixed on the second sliding block 31. The fixing piece 29 is arranged on the second sliding block 31, the second sliding block 31 is connected with the L-shaped plate 33 through the elastic element 30, and when the pen clamping assembly moves circularly along with the fourth gear 11, the pen point of the scribing pen 17 always clings to the corrugated tube 7.
The operation panel 1 near the L-shaped plate 33 is provided with a steering motor 14, one end of a baffle 15 is fixedly connected to the output end of the steering motor 14, one end of a Z-shaped plate 16 is abutted against the bottom of the other end of the baffle 15, and the other end of the Z-shaped plate 16 is fixedly arranged on a fixing member 29. The baffle 15 blocks the Z-shaped plate 16, so that the corrugated pipe 7 is not scratched by the marking pen 17 when the corrugated pipe 7 is positioned, and the confusion of the last mark is avoided.
Position sensors are sequentially arranged at the upper and lower positions of the air cylinder 22, and are in signal connection with the air cylinder 22. A position sensor is provided to sense the position of the spool and when the spool reaches the set position, the cylinder 22 is activated to move the spool downwards or upwards, thereby releasing or clamping the bellows 7.
The implementation principle of the corrugated pipe scribing equipment provided by the embodiment of the utility model is as follows: the two ends of the corrugated tube 7 are respectively placed on a second clamping groove on a positioning plate 9 of the pressing mechanism, an elbow clamp 8 at any one end of the corrugated tube 7 clamps the corrugated tube 7, then the compass 2 close to the end is rotated, the bracket 6 is moved left and right, the bracket 6 drives the pressing mechanism for fixing the corrugated tube 7 and the corrugated tube 7 to move left and right, the corrugated tube 7 is moved to a proper position according to a graduated scale 18 on the operating platform 1 and a pointer 19 arranged on a first sliding block 12, then the other end of the corrugated tube 7 is fixed through the pressing mechanism, a switch of the device is started, a driving motor 23 and a steering motor 14 are started, the driving motor 23 drives a driving wheel 25 to rotate, the driving wheel 25 drives a first gear 26 to rotate, the first gear 26 drives a second gear 27 and a third gear 28 to rotate, the second gear 27 and the third gear 28 drive a fourth gear 11 to rotate, meanwhile, the steering motor 14 drives a baffle 15 to rotate, the baffle 15 leaves a Z-shaped plate 16, and the fourth gear 11 drives a clamp assembly to rotate around the corrugated tube 7 to finish rotation.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. A bellows scribing apparatus, characterized in that: the device comprises an operation table (1), and a positioning mechanism, a pressing mechanism and a scribing mechanism which are arranged on the operation table (1), wherein the two positioning mechanisms are oppositely arranged at two ends of the operation table (1), the pressing mechanism is fixedly arranged at the upper ends of the two positioning mechanisms, the scribing mechanism is arranged between the two positioning mechanisms, and a corrugated pipe (7) is arranged on the pressing mechanism.
2. A bellows scribing apparatus according to claim 1, wherein: the positioning mechanism comprises a threaded rod (4), a nut (5), a first sliding block (12), a first sliding rail (13) and a support (6), wherein the threaded rod (4) penetrates through the nut (5), the nut (5) is fixedly installed on the side face of the support (6), the first sliding block (12) is fixedly arranged at the lower end of the support (6), the first sliding rail (13) is horizontally arranged on the operating platform (1), the first sliding block (12) is in sliding connection with the first sliding rail (13), a graduated scale (18) is arranged on the operating platform (1) parallel to the threaded rod (4), a pointer (19) is arranged on the first sliding block (12), and the pointer (19) points to graduations on the graduated scale (18).
3. A bellows scribing apparatus according to claim 2, wherein: one end of the first sliding rail (13) far away from the scribing mechanism is provided with a supporting seat (3), the threaded rod (4) penetrates through the supporting seat (3), and one end of the threaded rod (4) close to the supporting seat (3) is provided with a compass (2).
4. A bellows scribing apparatus according to claim 3, wherein: the compressing mechanism comprises an elbow clamp (8), a positioning plate (9), a connecting block (20), a sliding column (21) and a cylinder (22), wherein the positioning plate (9) is fixedly arranged at the upper end of the support (6), the connecting block (20) is fixedly arranged on the side face of the support (6), the cylinder (22) is fixedly arranged at the lower end of the connecting block (20), a sliding groove is formed in the connecting block (20), the sliding groove is in sliding connection with the sliding column (21), one end of the sliding column (21) is connected with a piston rod of the cylinder (22), the other end of the sliding column (21) is in rotating connection with the elbow clamp (8), a first clamping groove is formed in the elbow clamp (8) close to the corrugated pipe (7), a second clamping groove is formed in the positioning plate (9), and the first clamping groove and the second clamping groove clamps the corrugated pipe (7) when the sliding column (21) slides downwards.
5. A bellows scribing apparatus according to claim 4, wherein: the scribing mechanism comprises a pen clamping assembly and a driving assembly, the pen clamping assembly is arranged on the driving assembly, the driving assembly comprises a driving motor (23), a speed reducer (24), a driving wheel (25), a first gear (26), a second gear (27), a third gear (28), a fourth gear (11) and a mounting plate (10), the driving wheel (25), the first gear (26), the second gear (27), the third gear (28) and the fourth gear (11) are all arranged on the mounting plate (10), the first gear (26) is meshed with the driving wheel (25), the second gear (27) and the third gear (28) are meshed with the fourth gear (11) and the first gear (26), the driving wheel (25) is arranged at the output end of the speed reducer (24), the input end of the speed reducer (24) is connected with the output end of the driving motor (23), and the pen clamping assembly is arranged on one side surface of the fourth gear (11).
6. A bellows scribing apparatus according to claim 5, wherein: an L-shaped plate (33) is vertically and fixedly arranged on one side surface of the fourth gear (11), a second sliding rail (32) is vertically and fixedly arranged on the horizontal surface of the L-shaped plate (33), the second sliding rail (32) is parallel to the vertical surface of the L-shaped plate (33), an elastic element (30) is arranged on the horizontal surface of the L-shaped plate (33) close to the second sliding rail (32), the upper end of the elastic element (30) is abutted to a second sliding block (31), and the second sliding block (31) is in sliding connection with the second sliding rail (32).
7. A bellows scribing apparatus according to claim 6, wherein: the pencil clamping assembly comprises a pencil (17), a fixing piece (29) and a locking piece, wherein the pencil (17) is arranged in the fixing piece (29), a pencil point of the pencil (17) faces towards the corrugated pipe (7), the locking piece is arranged in the fixing piece (29) in a threaded connection mode, the locking piece is abutted to the pencil (17), and the fixing piece (29) is fixed on the second sliding block (31).
8. A bellows scribing apparatus according to claim 7, wherein: be close to be equipped with on operation panel (1) of L template (33) turn to motor (14) the one end of output fixed connection baffle (15) of turn to motor (14) the one end of the other end bottom butt Z template (16) of baffle (15), the other end of Z template (16) is fixed to be set up on mounting (29).
9. A bellows scribing apparatus according to any one of claims 4 to 8, wherein: position sensors are sequentially arranged at the upper and lower positions of the air cylinder (22), and the position sensors are in signal connection with the air cylinder (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320638935.7U CN219946194U (en) | 2023-03-28 | 2023-03-28 | Corrugated pipe scribing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320638935.7U CN219946194U (en) | 2023-03-28 | 2023-03-28 | Corrugated pipe scribing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219946194U true CN219946194U (en) | 2023-11-03 |
Family
ID=88549030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320638935.7U Active CN219946194U (en) | 2023-03-28 | 2023-03-28 | Corrugated pipe scribing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219946194U (en) |
-
2023
- 2023-03-28 CN CN202320638935.7U patent/CN219946194U/en active Active
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