CN212977178U - Leveling and tensioning device - Google Patents
Leveling and tensioning device Download PDFInfo
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- CN212977178U CN212977178U CN202021869036.0U CN202021869036U CN212977178U CN 212977178 U CN212977178 U CN 212977178U CN 202021869036 U CN202021869036 U CN 202021869036U CN 212977178 U CN212977178 U CN 212977178U
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Abstract
The utility model discloses a leveling overspeed device tensioner, including support frame, two gyro wheels and an at least adjusting device, one of them is the adjustment gyro wheel at least for these two gyro wheels, and adjusting device locates between adjustment gyro wheel and the support frame. The support frame is formed with one along controlling to wearing to establish the passageway to the extension, and two gyro wheels are all installed in wearing to establish the passageway along the axis rotation of fore-and-aft, and two gyro wheels set up to the interval about along, and form first support space between the two for prop and establish and wait to process the film. The adjusting device is used for adjusting the up-down position of the adjusting roller, so that the upper sides of the two rollers are at the same horizontal height. This leveling overspeed device tensioner simple structure, stability can install to traditional cross cutting equipment or cut on the equipment, provides the film plane that is applicable to laser cutting, and when treating that the processing film props and establishes the side face of going up at two gyro wheels, the plane of treating the processing film is the horizontal processing face, can guarantee that the edge of laser windowing processing is smooth, and processing effect is good.
Description
Technical Field
The utility model relates to a film processing technology field, in particular to leveling overspeed device tensioner.
Background
The online film laser high-speed windowing device is widely applied to the industries in the fields of food, daily necessity packaging and the like. The window design on the packing box means that a small window is arranged on the packing plate surface and is sealed by transparent materials (such as PVC). The window design on the packing box displays the high-quality part of the product, so that the product can see the local part and know the whole appearance, the local part can be seen and known, the curious psychology of consumers is aroused, and the psychological weight of the commodity in the consumers is increased in the beautiful state.
Compared with the traditional die cutting processing, the laser processing has the advantages of being obvious and remarkable, has multiple advantages of high engraving precision, no burr, optional shape, simplicity in operation and the like, and is suitable for the requirements of processing manufacturers such as food packaging, commodity packaging and the like. In addition, compared with the traditional die-cutting machine processing technology, the online film laser high-speed windowing saves complex mechanical control, various die manufacturing and the like, greatly improves the processing efficiency and reduces the use cost.
For comprehensive cost control, the existing manufacturers generally introduce a laser windowing device on the basis of the traditional die cutting equipment and cutting equipment, and a production line still keeps a transmission system of the transmission die cutting equipment and the transmission system of the cutting equipment, but the traditional die cutting equipment and the cutting equipment are not provided with a processing plane suitable for laser cutting.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a leveling overspeed device tensioner is applicable to film product laser cutting, aims at solving traditional cross cutting equipment and cuts the equipment on introduction laser cutting device, lacks the problem of the processing plane that is fit for laser cutting.
In order to achieve the above object, the utility model provides a leveling overspeed device tensioner for treat the processing film and carry out laser cutting, treat the processing film from a left side right side conveying, the light path of laser cutting is from top to bottom along, leveling overspeed device tensioner includes:
the supporting frame is provided with a penetrating channel extending along the left-right direction and used for allowing the film to be processed to penetrate through;
the two rollers are rotatably arranged in the penetrating channel along the longitudinal axis, are arranged at intervals in the left-right direction, form a first supporting space between the two rollers and are used for supporting the film to be processed, and at least one of the rollers is an adjusting roller; and the number of the first and second groups,
and the adjusting device is arranged between the adjusting roller and the support frame and used for adjusting the position of the adjusting roller in the vertical direction so as to enable the upper side surfaces of the two rollers to be at the same horizontal height.
Optionally, the support frame includes two support plates extending in the left-right direction and disposed oppositely, and the through passage is formed between the two support plates;
the roller comprises an installation shaft and a rolling part sleeved on the installation shaft, the installation shaft extends along the front and back direction, the front end and the back end of the installation shaft are respectively arranged on the two support plates, and the rolling part can rotate around the installation shaft and is used for supporting and conveying a film to be processed;
wherein, adjusting device locates the installation axle with between the backup pad to make the position of installation axle is adjustable.
Optionally, the adjusting device includes two adjusting mechanisms, and the two adjusting mechanisms are respectively disposed on two end portions of the mounting shaft and the corresponding supporting plates;
each of the adjustment mechanisms includes:
the adjusting seat is fixedly installed on the supporting plate, a mounting hole extending in the front-back direction is formed in the side face, facing the other supporting plate, of the adjusting seat, the end of the mounting shaft penetrates through the mounting hole, two first threaded connecting holes are formed in the upper end face and the lower end face of the adjusting seat respectively, and the two first threaded connecting holes are communicated with the mounting hole; and the number of the first and second groups,
the two first adjusting screw rods are respectively and correspondingly arranged in the two first threaded connecting holes, and the threaded ends of the first adjusting screw rods extend into the mounting holes and are used for abutting against the outer side surface of the mounting shaft;
the length of the two first adjusting screws extending into the mounting hole is adjusted to adjust the up-and-down position of the mounting shaft.
Optionally, the width of the first supporting space in the left-right direction is adjustable.
Optionally, the left end surface and the right end surface of the adjusting seat are respectively provided with two second threaded connecting holes, and the two second threaded connecting holes are both communicated with the mounting hole;
each adjusting mechanism further comprises two second adjusting screws, the two second adjusting screws are respectively and correspondingly installed in the two second threaded connecting holes, and threaded ends of the second adjusting screws extend into the installation holes and are used for abutting against the outer side face of the installation shaft;
the left-right position of the mounting shaft is adjusted by adjusting the length of the two second adjusting screws extending into the mounting hole.
Optionally, the width of the through passage in the front-back direction is adjustable.
Optionally, the position of the supporting frame along the up-down direction is adjustable; and/or the presence of a gas in the gas,
the support frame is provided with an assembling hole for fixing the leveling and tensioning device to the laser cutting equipment.
Optionally, the leveling and tensioning device further comprises a first transmission roller, the first transmission roller is rotatably installed in the penetrating channel below the first supporting space along a front-back axis, and the first transmission roller and the film positioned on the right side are arranged at intervals from top to bottom so as to convey the processed film.
Optionally, the first drive roller is adjustable in up-down and/or left-right position.
Optionally, the leveling and tensioning device further comprises a second transmission roller, the second transmission roller is rotatably mounted in the through passage below the first supporting space along a front-back axis, and the second transmission roller is arranged on the left side of the first transmission roller and used for guiding and conveying the processed film together with the first transmission roller; and/or the presence of a gas in the gas,
and a waste material box is arranged below the first supporting space, and the opening of the waste material box faces upwards and is used for receiving waste materials of the film to be processed, which are cut by laser.
The technical scheme of the utility model a leveling overspeed device tensioner is disclosed, including support frame, two gyro wheels and an at least adjusting device, at least one of them is the adjustment gyro wheel for two gyro wheels, and adjusting device locates between adjustment gyro wheel and the support frame. The support frame is formed with one along controlling to wearing to establish the passageway to the extension, and two gyro wheels are all installed in wearing to establish the passageway along the axis rotation of fore-and-aft, and two gyro wheels set up to the interval about along, and form first support space between the two for prop and establish and wait to process the film. The adjusting device is used for adjusting the up-down position of the adjusting roller, so that the upper sides of the two rollers are at the same horizontal height. This leveling overspeed device tensioner simple structure, stability can install to laser cutting equipment or traditional cross cutting equipment, cut the equipment on, provide the film plane that is applicable to laser cutting, when treating that the processing film props and establishes the side face in the side face of going up of two gyro wheels, the plane of treating the processing film is the horizontal processing face, can guarantee that the edge of laser windowing processing is smooth, and processing effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a leveling and tensioning device provided by the present invention;
fig. 2 is a schematic structural view of an adjustment structure of the leveling tensioner shown in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Leveling and |
3 | Adjusting device |
| 1 | |
31 | Adjusting |
| 11 | Through-going |
32 | |
| 12 | Supporting plate | 33 | First adjusting |
| 13 | |
34 | Second adjusting |
| 14 | |
4 | |
| 15 | |
5 | |
| 16 | |
||
| 17 | |
||
| 2 | |
||
| 21 | |
||
| 22 | Rolling part |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front, back, outer and inner … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Compared with the traditional die cutting processing, the laser processing has the advantages of high engraving precision, no burr, random shape selection and the like, and meanwhile, the laser processing is simple and convenient to operate, the processing efficiency is high, and the cost is low. However, the laser window opening device is introduced into the traditional die cutting equipment and the traditional slitting equipment, and a processing plane suitable for laser cutting is lacked. In view of this, the utility model provides a leveling overspeed device tensioner 100 for treat the processing film and carry out laser cutting. Fig. 1 is a schematic structural diagram of an embodiment of a leveling and tensioning device 100 according to the present invention, and fig. 2 is a schematic structural diagram of an adjusting structure in fig. 1.
Referring to fig. 1, a film to be processed is conveyed from left to right, a light path of laser cutting is along an up-down direction, the leveling and tensioning device 100 includes a support frame 1, two rollers 2 and at least one adjusting device 3, at least one of the two rollers 2 is an adjusting roller, and the adjusting device 3 is disposed between the adjusting roller and the support frame 1. The support frame 1 is provided with a through channel 11 extending along the left-right direction and used for a film to be processed to pass through; two gyro wheels 2 all rotate along the axis of fore-and-aft and install in wearing to establish passageway 11, and two gyro wheels 2 set up to the interval along controlling, and form first support space between the two for prop and establish and treat the processing film. The adjusting device 3 is used for adjusting the position of the adjusting roller in the up-down direction, so that the upper sides of the two rollers 2 are at the same horizontal height. This leveling overspeed device tensioner 100 simple structure, stability can install to traditional cross cutting equipment or cut the equipment on, provide the film plane that is applicable to laser cutting, and when treating that the processing film props and establishes the side face in two gyro wheels 2, the plane of treating the processing film is the horizontal processing face, can guarantee that the edge of laser windowing processing is smooth, and processing effect is good.
With further reference to fig. 1, the supporting frame 1 includes two supporting plates 12 extending in the left-right direction and disposed oppositely, and a through passage 11 is formed between the two supporting plates 12. The roller 2 includes an installation shaft 21 and a rolling part 22 sleeved on the installation shaft 21, the installation shaft 21 extends along the front-back direction, two supporting plates 12 are respectively arranged at the front end and the rear end, and the rolling part 22 can rotate around the installation shaft 21 to support and convey the film to be processed. The adjusting device 3 is disposed between the mounting shaft 21 and the supporting plate 12, and adjusts the position of the roller 2 by adjusting the position of the mounting shaft 21. It should be noted that, the present application does not limit the structure of the support frame 1, as long as a through channel extending in the left-right direction can be provided. The support frame 1 structure that this embodiment provided, simple structure, stability, convenient removal.
The adjusting device 3 of the present embodiment includes two adjusting mechanisms respectively disposed on the two end portions of the mounting shaft 21 and the corresponding support plates 12. Referring to fig. 2, each adjustment mechanism includes an adjustment seat 31 and two first adjustment screws 33. Adjust seat 31 fixed mounting to backup pad 12, adjust seat 31 and set up one along the mounting hole 32 of extending to the front and back towards the side of another backup pad 12, in mounting hole 32 was worn to locate by the tip of installation axle 21, the upper and lower terminal surface of adjusting seat 31 was equipped with two first threaded connection holes respectively, and two first threaded connection holes all communicate the mounting hole 32 setting. The two first adjusting screws 33 are respectively and correspondingly installed in the two first threaded connection holes, and the threaded ends of the first adjusting screws 33 extend into the installation holes 32 and abut against the outer side surface of the installation shaft 21. The vertical position of the mounting shaft 21 is adjusted by adjusting the length of the two first adjusting screws 33 extending into the mounting holes 32. In practical operation, when the roller 2 needs to be lifted, the first adjusting screw 33 located above the mounting shaft 21 is rotated upward, the mounting shaft 21 is lifted upward, and finally the first adjusting screw 33 located below the mounting shaft 21 is rotated upward until the threaded end abuts against the mounting shaft 21. The adjusting mechanism that this embodiment provided, simple structure, convenient operation can realize the up-down infinitely variable control.
It should be noted that the present invention is not limited to the position and the fixing manner of the adjusting seat 31 fixed on the supporting plate 12, and the adjusting seat may be welded on the top of the supporting plate 12. In this embodiment, the adjusting seat 31 is fixed to the side surface of the support plate 12 by screws. The support plate 12 is provided with a through hole corresponding to the mounting hole 32 for the mounting shaft 21 to pass through. This structural installation is stable, and easily change and adjust seat 31, and long-term the use can practice thrift the cost.
Further, the width of the first supporting space is adjusted in the left-right upward direction. That is, the distance between the two rollers 2 in the left-right direction is adjustable. Thus, the plane size of the film to be processed can be changed. In addition, by adjusting the left and right positions of the two rollers 2, the central axes of the mounting shafts 21 of the two rollers 2 can be parallel to each other, so that the high-speed transmission of the film to be processed becomes stable and does not shake.
Specifically, the left and right end faces of the adjusting seat 31 are further respectively provided with two second threaded connecting holes, and the two second threaded connecting holes are both communicated with the mounting hole 32. Each adjusting mechanism further comprises two second adjusting screws 34, the two second adjusting screws 34 are respectively and correspondingly installed in the two second threaded connecting holes, and the threaded ends of the second adjusting screws 34 extend into the installation holes 32 and are used for tightly abutting against the outer side surface of the installation shaft 21. The left-right position of the mounting shaft 21 is adjusted by adjusting the length of the two second adjusting screws 34 extending into the mounting holes 32. The way of adjusting the position of the mounting shaft 21 by the two second adjusting screws 34 is the same as the way of adjusting the position of the mounting shaft 21 by the two first adjusting screws 33, and therefore, the description thereof is omitted.
In the actual production, different cross cutting equipment or the width of cutting equipment are different, so in order to make the utility model provides a leveling overspeed device tensioner 100 can satisfy the user demand of different equipment, and the passageway 11 is worn to establish that leveling overspeed device tensioner 100 forms is adjustable to ascending width in front. In this embodiment, the supporting frame 1 further includes two supporting columns 13, the two supporting columns 13 both extend in the up-down direction, and the upper end of each supporting column 13 is fixed to the corresponding supporting plate 12. When the support column 13 is moved in the fore-and-aft direction, the distance between the two support plates 12 changes, thereby changing the width of the through-going passage 11 for matching equipment requirements of different widths.
In addition, in actual production, the heights of the film planes required for laser cutting processing are different, and therefore, the positions of the support frame 1 of the leveling and tensioning device 100 along the vertical direction are adjustable. Specifically, in the present embodiment, the support post 13 includes a body 14 and a threaded rod 15 that are spirally connected, and the threaded rod 15 can be circumferentially rotated with respect to the body 14 to lengthen or shorten the support post 13, thereby raising or lowering the support plate 12.
The leveling and tensioning device 100 of the present invention can also be directly fixed on the laser cutting device or the die cutting device or the slitting device. Specifically, the support bracket 1 is formed with an assembly hole 16 for fixing the leveling tensioner 100 to the laser cutting apparatus. In this embodiment, the assembly holes 16 are formed in the two support plates 12, and the two support plates 1 are fixed to the laser cutting device or the die cutting device by a screw connection. Thus, the assembly space of the leveling tensioner 100 can be saved, and vibration resistance can be improved.
The leveling and tensioning device 100 provided by the embodiment can change the size of the plane of the film to be processed, can change the height of the plane of the film to be processed, can meet the requirements of devices with different widths, and can be directly installed on other devices to save assembly space, so that the leveling and tensioning device 100 provided by the embodiment has high universality.
The leveling and tensioning device 100 further comprises a first transmission roller 4, the first transmission roller 4 is rotatably installed in the penetrating channel 11 below the first supporting space along a front-back axis, and the first transmission roller 4 and the roller 2 located on the right side are arranged at intervals in the vertical direction and used for conveying the processed film. The film to be processed is conveyed to the first supporting space from left to right, is subjected to laser processing at the first supporting space, is bent downwards to the first transmission roller 4, and is conveyed continuously by the first transmission roller 4. The first transmission roller 4 is additionally arranged, so that the processed film can be transmitted more stably.
Further, the position of the first transfer roller 4 in the up-down and/or left-right direction is adjustable to change the transfer direction of the processed film. In this embodiment, the first transmission roller 4 and the roller 2 forming the first supporting space have the same structure, and the first transmission roller 4 is also mounted on the supporting plate 12 through the adjusting device 3, so that the description is omitted. Through adjustment adjusting device 3, make the central axis of first drive roller 4 and the central axis of the gyro wheel 2 that is located the right side parallel, the film after the processing is from the gyro wheel 2 parallel transfer who is located the right side to first drive roller 4 department, can avoid the film after the processing to be buckled and damage.
Furthermore, the leveling and tensioning device 100 further comprises a second transmission roller 5, the second transmission roller 5 is rotatably installed in the through passageway below the first supporting space along a front-back axis, the second transmission roller 5 is arranged on the left side of the first transmission roller 4 and guides and conveys the processed film together with the first transmission roller 4. The second transmission roller 5 and the first transmission roller 4 are matched, so that the processed film can be transmitted below the film to be processed, and the transmission space is saved.
It should be noted that the position of the second driving roller 5 is adjustable in the up-down and/or left-right direction. In this embodiment, the second driving roller 5 and the roller 2 forming the first supporting space have the same structure, and the second driving roller 5 is also mounted on the supporting plate 12 through the adjusting device 3, so that the description is omitted.
In addition, a waste material box is arranged below the first supporting space of the leveling and tensioning device 100, and the opening of the waste material box is upward for receiving waste materials cut by the laser of the film to be processed. Specifically, correspond in first supporting space below on two backup pads 12 and be formed with two mounting grooves 17, the waste material box is installed in two mounting grooves, and the opening upwards sets up to receive the waste material of waiting to process the film by laser cutting, avoid the waste material to fall into to the film after processing on, thereby greatly reduced conflagration hidden danger.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. The utility model provides a leveling overspeed device tensioner for treating the processing film and carry out laser cutting, treat that the processing film conveys from a left side to the right side, the light path of laser cutting is along going up the downwarping, its characterized in that, leveling overspeed device tensioner includes:
the supporting frame is provided with a penetrating channel extending along the left-right direction and used for allowing the film to be processed to penetrate through;
the two rollers are rotatably arranged in the penetrating channel along the longitudinal axis, are arranged at intervals in the left-right direction, form a first supporting space between the two rollers and are used for supporting the film to be processed, and at least one of the rollers is an adjusting roller; and the number of the first and second groups,
and the adjusting device is arranged between the adjusting roller and the support frame and used for adjusting the position of the adjusting roller in the vertical direction so as to enable the upper side surfaces of the two rollers to be at the same horizontal height.
2. The leveling and tensioning device as claimed in claim 1, wherein the support frame comprises two support plates extending in left and right directions and arranged oppositely, and the through passage is formed between the two support plates;
the roller comprises an installation shaft and a rolling part sleeved on the installation shaft, the installation shaft extends along the front and back direction, the front end and the back end of the installation shaft are respectively arranged on the two support plates, and the rolling part can rotate around the installation shaft and is used for supporting and conveying a film to be processed;
wherein, adjusting device locates the installation axle with between the backup pad to make the position of installation axle is adjustable.
3. The leveling and tensioning device as recited in claim 2 wherein said adjustment means comprises two adjustment mechanisms, said two adjustment mechanisms being disposed on both ends of said mounting shaft and on corresponding said support plates;
each of the adjustment mechanisms includes:
the adjusting seat is fixedly installed on the supporting plate, a mounting hole extending in the front-back direction is formed in the side face, facing the other supporting plate, of the adjusting seat, the end of the mounting shaft penetrates through the mounting hole, two first threaded connecting holes are formed in the upper end face and the lower end face of the adjusting seat respectively, and the two first threaded connecting holes are communicated with the mounting hole; and the number of the first and second groups,
the two first adjusting screw rods are respectively and correspondingly arranged in the two first threaded connecting holes, and the threaded ends of the first adjusting screw rods extend into the mounting holes and are used for abutting against the outer side surface of the mounting shaft;
the length of the two first adjusting screws extending into the mounting hole is adjusted to adjust the up-and-down position of the mounting shaft.
4. The leveling tensioner of claim 3 wherein the first support space is adjustable in width in a left-right direction.
5. The leveling and tensioning device as claimed in claim 4, wherein the left and right end surfaces of the adjusting seat are respectively provided with two second threaded connection holes, and both the two second threaded connection holes are communicated with the mounting hole;
each adjusting mechanism further comprises two second adjusting screws, the two second adjusting screws are respectively and correspondingly installed in the two second threaded connecting holes, and threaded ends of the second adjusting screws extend into the installation holes and are used for abutting against the outer side face of the installation shaft;
the left-right position of the mounting shaft is adjusted by adjusting the length of the two second adjusting screws extending into the mounting hole.
6. The leveling and tensioning device of claim 1 wherein the width of the through passage in the fore-aft direction is adjustable.
7. The leveling and tensioning device as recited in claim 1 wherein the position of the support bracket is adjustable in an up and down direction; and/or the presence of a gas in the gas,
the support frame is provided with an assembling hole for fixing the leveling and tensioning device to the laser cutting equipment.
8. The leveling and tensioning device as claimed in claim 1, further comprising a first transmission roller rotatably mounted in the through passage below the first supporting space along a front-to-back axis, wherein the first transmission roller and the roller located at the right side are spaced up and down for conveying the processed film.
9. The leveling tensioner of claim 8 wherein the first drive roller is adjustable in up-down and/or side-to-side position.
10. The leveling and tensioning device as claimed in claim 8, further comprising a second driving roller rotatably mounted in the through channel below the first supporting space along a front-to-back axis, the second driving roller being disposed at a left side of the first driving roller for guiding and conveying the processed film together with the first driving roller; and/or the presence of a gas in the gas,
and a waste material box is arranged below the first supporting space, and the opening of the waste material box faces upwards and is used for receiving waste materials of the film to be processed, which are cut by laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021869036.0U CN212977178U (en) | 2020-08-31 | 2020-08-31 | Leveling and tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021869036.0U CN212977178U (en) | 2020-08-31 | 2020-08-31 | Leveling and tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212977178U true CN212977178U (en) | 2021-04-16 |
Family
ID=75435844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021869036.0U Active CN212977178U (en) | 2020-08-31 | 2020-08-31 | Leveling and tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212977178U (en) |
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2020
- 2020-08-31 CN CN202021869036.0U patent/CN212977178U/en active Active
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