CN218906264U - Vacuum shaping table - Google Patents
Vacuum shaping table Download PDFInfo
- Publication number
- CN218906264U CN218906264U CN202223400943.2U CN202223400943U CN218906264U CN 218906264 U CN218906264 U CN 218906264U CN 202223400943 U CN202223400943 U CN 202223400943U CN 218906264 U CN218906264 U CN 218906264U
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- cooling water
- lifting
- adjusting
- seat
- driving
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- 238000007493 shaping process Methods 0.000 title claims abstract description 18
- 239000000498 cooling water Substances 0.000 claims abstract description 87
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000007666 vacuum forming Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000861 blow drying Methods 0.000 claims 3
- 238000001125 extrusion Methods 0.000 abstract description 20
- 238000001035 drying Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
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Abstract
The utility model discloses a vacuum shaping table, which comprises at least two cooling water tanks arranged in parallel, a rack corresponding to the cooling water tanks and a position adjusting device corresponding to the cooling water tanks; the position adjusting device is connected to the corresponding rack, the cooling water tank is connected to the corresponding position adjusting device, and the position adjusting device is used for adjusting the left and right positions and the height positions of the corresponding cooling water tank; the position adjusting device comprises a mounting seat, at least two lifting adjusting mechanisms and a left adjusting mechanism and a right adjusting mechanism corresponding to the lifting adjusting mechanisms; the cooling water tank is connected to the corresponding mounting seat, the mounting seat is connected to the corresponding left and right adjusting mechanism, and the left and right adjusting mechanism is used for driving the mounting seat to move in the left and right direction. The utility model can adjust the height position and the left and right positions of the cooling water tank to adapt to the position of the extrusion die in the extruder, and is more convenient to use.
Description
Technical Field
The utility model relates to a vacuum shaping table.
Background
Currently, a vacuum setting station is an apparatus for cooling and setting articles extruded by an extruder. Chinese patent publication No. CN206855986U discloses a cooling shaping device for ultra-high molecular weight polyethylene extruded bar, which comprises a cooling water tank, a hollow pipe, etc., wherein the hollow pipe is connected to the cooling water tank, the cooling water tank is fixedly arranged, and the position of the cooling water tank cannot be adjusted, so that the height position and the left and right positions of the cooling water tank cannot be adjusted according to the position of an extrusion die in an extruder, and therefore, the hollow pipe is difficult to align with the extrusion die, and the use is inconvenient.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a vacuum shaping table which can adjust the height position and the left and right positions of a cooling water tank to adapt to the position of an extrusion die in an extruder, so that the vacuum shaping table is more convenient to use.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the vacuum shaping table comprises at least two cooling water tanks which are arranged in parallel, a rack corresponding to the cooling water tanks and a position adjusting device corresponding to the cooling water tanks;
the position adjusting device is connected to the corresponding rack, the cooling water tank is connected to the corresponding position adjusting device, and the position adjusting device is used for adjusting the left and right positions and the height positions of the corresponding cooling water tank;
the position adjusting device comprises a mounting seat, at least two lifting adjusting mechanisms and a left adjusting mechanism and a right adjusting mechanism corresponding to the lifting adjusting mechanisms;
the cooling water tanks are connected to the corresponding mounting seats, and a plurality of rollers which are sequentially arranged along the length direction of the cooling water tanks are rotatably connected in the cooling water tanks;
the mounting seat is connected to the corresponding left and right adjusting mechanisms, and the left and right adjusting mechanisms are used for driving the mounting seat to move in the left and right directions;
the left-right adjusting mechanism is connected to the corresponding lifting adjusting mechanism, the lifting adjusting mechanism is connected to the corresponding rack, and the lifting adjusting mechanism is used for driving the corresponding left-right adjusting mechanism to lift so as to drive the mounting seat and the cooling water tank to lift.
Further provided is a specific structure of the lifting adjusting mechanism and the left-right adjusting mechanism, wherein the lifting adjusting mechanism comprises a lifting seat and a lifting driving part;
the left-right adjusting mechanism comprises an adjusting seat and a left-right driving assembly;
the lifting seat is connected to the corresponding rack in a sliding manner along the vertical direction;
the lifting driving part is connected to the corresponding frame, and is connected with the lifting seat and used for driving the lifting seat to move in a lifting manner;
the mounting seat is connected to the adjusting seat;
the adjusting seat is connected to the left and right driving components;
the left-right driving assembly is connected to the lifting seat and used for driving the adjusting seat to move in the left-right direction so as to drive the corresponding cooling water tank to move in the left-right direction.
Further, the lifting seat is connected to the corresponding rack in a sliding manner through at least one guide post;
the guide post is connected with the lifting seat;
the frame is connected with a guide sleeve corresponding to the guide post, and the guide post is in sliding fit with the corresponding guide sleeve;
the lifting driving component is a screw rod lifter.
The concrete structure of the left-right driving assembly is further provided, and the left-right driving assembly comprises an adjusting screw rod and a hand wheel; wherein,,
the adjusting screw rod is rotationally connected to the corresponding lifting seat, and the length direction of the adjusting screw rod is arranged along the left-right direction;
the adjusting seat is in threaded connection with the adjusting screw rod;
the hand wheel is connected with the adjusting screw rod.
Further, a drain tank is connected to the front end portion of the cooling water tank and/or the rear end portion of the cooling water tank, and a drain outlet is provided at the bottom of the drain tank.
Further, the vacuum shaping table further comprises a drying barrel which corresponds to the cooling water tank and is arranged on the corresponding cooling water tank, and a cooling pipe for drying products is arranged on the drying barrel.
Further, the vacuum shaping table can further comprise a ground rail and a driving mechanism corresponding to the frame; wherein,,
the frame is connected to the ground rail in a sliding way along the front-back direction;
the driving mechanism is respectively connected with the ground rail and the corresponding rack and is used for driving the corresponding rack to slide along the front-back direction.
The driving mechanism comprises a power component, a transmission screw rod, a transmission nut and a nut seat; wherein,,
the nut seat is connected with the ground rail;
the transmission nut is rotationally connected to the nut seat;
the transmission screw rod is connected with the transmission nut in a matched manner;
the power component is connected to the corresponding frame, and is in transmission connection with the transmission screw rod and used for driving the transmission screw rod to rotate.
Further, the frame is provided with a connecting seat, the power component is connected to the corresponding connecting seat in the frame, and the power component is in transmission connection with one end part of the transmission screw rod through a cross shaft type universal coupling.
Further, the frame is slidably connected to the ground rail through at least two wheel assemblies;
the wheel assembly comprises a wheel axle and at least two wheel bodies;
the wheel axle is rotatably connected to the bottom of the frame;
the wheel body is connected to the wheel axle and is used for supporting on the ground rail.
After the technical scheme is adopted, the left and right positions of the cooling water tank can be adjusted through the left and right adjusting mechanism, and the height position of the cooling water tank can be adjusted through the lifting adjusting mechanism, so that the cooling water tank can adapt to an extrusion die in the extruder to adjust the position, and the purpose that the center of the vacuum shaping table is coaxial with the center of the extrusion die is achieved. And each cooling water tank is provided with an independent position adjusting mechanism, so that the position of each cooling water tank can be independently adjusted, the normal work of other cooling water tanks can not be influenced when the position of any cooling water tank is adjusted, and the work of different cooling water tanks is not influenced and not interfered with each other. And the cooling water tanks are provided with at least two cooling water tanks, so that more than two products can be cooled and shaped at the same time, and the production efficiency is improved. Wherein install extrusion die in the extruder, follow the goods that extrude in the extrusion die bear on the roller and move forward, through adjusting position about cooling trough and high position can make position about the roller and high position adaptation extrusion die's position, it is more convenient to adjust, uses more convenient.
Drawings
FIG. 1 is a schematic view of a vacuum forming table according to the present utility model;
FIG. 2 is a front view of the vacuum forming station of the present utility model;
FIG. 3 is a top view of the vacuum forming station of the present utility model;
FIG. 4 is a left side view of the vacuum forming station of the present utility model;
FIG. 5 is a schematic view of a position adjusting device according to the present utility model;
FIG. 6 is a schematic view of a cooling water tank according to the present utility model;
FIG. 7 is a schematic diagram of a driving mechanism according to the present utility model;
fig. 8 is a schematic structural view of the wheel assembly of the present utility model.
Detailed Description
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 8, a vacuum shaping table comprises at least two cooling water tanks 1 arranged in parallel, a frame 2 corresponding to the cooling water tanks 1, and a position adjusting device 100 corresponding to the cooling water tanks 1;
the position adjusting device 100 is connected to the corresponding rack 2, the cooling water tank 1 is connected to the corresponding position adjusting device 100, and the position adjusting device 100 is used for adjusting the left and right positions and the height positions of the corresponding cooling water tank 1;
the position adjusting device 100 comprises a mounting seat 3, at least two lifting adjusting mechanisms 4 and a left adjusting mechanism 5 corresponding to the lifting adjusting mechanisms 4;
the cooling water tanks 1 are connected to the corresponding mounting seats 3, and a plurality of rollers 6 which are sequentially arranged along the length direction of the cooling water tanks 1 are rotatably connected in the cooling water tanks 1;
the mounting seat 3 is connected to the corresponding left and right adjusting mechanisms 5, and the left and right adjusting mechanisms 5 are used for driving the mounting seat 3 to move in the left and right directions;
the left-right adjusting mechanism 5 is connected to the corresponding lifting adjusting mechanism 4, the lifting adjusting mechanism 4 is connected to the corresponding frame 2, and the lifting adjusting mechanism 4 is used for driving the corresponding left-right adjusting mechanism 5 to lift and then drive the mounting seat 3 and the cooling water tank 1 to lift. Specifically, the left and right adjusting mechanism 5 can adjust the left and right positions of the cooling water tank 1, and the lifting adjusting mechanism 4 can adjust the height position of the cooling water tank 1, so that the cooling water tank 1 can adapt to an extrusion die in the extruder to adjust the position, and the purpose that the center of the vacuum shaping table is coaxial with the center of the extrusion die is achieved. And each cooling water tank 1 is provided with a separate position adjusting mechanism, so that the position of each cooling water tank 1 can be independently adjusted, the normal operation of other cooling water tanks 1 can not be influenced when the position of any cooling water tank 1 is adjusted, and the operations of different cooling water tanks 1 are not influenced and are not interfered with each other.
In this embodiment, two cooling water tanks 1 are provided, so that two products can be cooled and shaped at the same time, and the production efficiency is improved.
Further specifically, an extrusion die is installed in the extruder, products extruded from the extrusion die are borne on the roller 6 and move forward, the left and right positions and the height positions of the roller 6 can be adapted to the positions of the extrusion die by adjusting the left and right positions and the height positions of the cooling water tank 1, and the extrusion die is more convenient to adjust and more convenient to use.
In this embodiment, the position adjusting device 100 and the rack 2 are respectively in one-to-one correspondence with the cooling water tank 1, each position adjusting device 100 includes two lifting adjusting mechanisms 4 and two left and right adjusting mechanisms 5, and the lifting adjusting mechanisms 4 and the left and right adjusting mechanisms 5 are in one-to-one correspondence.
As shown in fig. 4 and 5, the lifting adjustment mechanism 4 may include a lifting seat 7 and a lifting driving part 8;
the left-right adjusting mechanism 5 can comprise an adjusting seat 9 and a left-right driving assembly;
the lifting seat 7 is connected to the corresponding frame 2 in a sliding manner along the vertical direction;
the lifting driving part 8 is connected to the corresponding frame 2, and the lifting driving part 8 is connected with the lifting seat 7 and is used for driving the lifting seat 7 to move in a lifting manner;
the mounting seat 3 is connected to the adjusting seat 9;
the adjusting seat 9 is connected to the left and right driving components;
the left and right driving components are connected to the lifting seat 7 and are used for driving the adjusting seat 9 to move in the left and right direction so as to drive the corresponding cooling water tank 1 to move in the left and right direction; specifically, one end of the mounting base 3 is connected to the adjusting base 9 in one of the left and right adjusting mechanisms 5, and the other end of the mounting base 3 is connected to the adjusting base 9 in the other left and right adjusting mechanism 5.
As shown in fig. 5, the lifting seat 7 may be slidably connected to the corresponding frame 2 by at least one guide post 10;
the guide post 10 is connected with the lifting seat 7;
the frame 2 is connected with a guide sleeve 11 corresponding to the guide post 10, and the guide post 10 is in sliding fit in the corresponding guide sleeve 11;
the lifting driving part 8 is a screw rod lifter.
As shown in fig. 4 and 5, the left and right driving assembly may include an adjusting screw 12 and a hand wheel 13; wherein,,
the adjusting screw rods 12 are rotatably connected to the corresponding lifting seats 7, and the length direction of the adjusting screw rods 12 is set along the left-right direction;
the adjusting seat 9 is in threaded connection with the adjusting screw rod 12;
the hand wheel 13 is connected with the adjusting screw rod 12, and the hand wheel 13 is rotated to drive the adjusting screw rod 12 to rotate, so that the adjusting seat 9 can be driven to move in the left-right direction, and the mounting seat 3 and the cooling water tank 1 can be driven to move in the left-right direction; specifically, the adjusting screw 12 is rotatably connected to the corresponding lifting seat 7 through at least two bearings with seats.
As shown in fig. 1, 2, 3, and 6, a drain tank 14 is connected to the front end portion of the cooling water tank 1 and the rear end portion of the cooling water tank 1, and a drain port is provided at the bottom of the drain tank 14.
As shown in fig. 4, the vacuum shaping table may further include a drying tub 15 corresponding to the cooling water tank 1 and mounted on the corresponding cooling water tank 1, and a cooling pipe for drying the product is disposed on the drying tub 15.
As shown in fig. 1, 2, 4, 7 and 8, the vacuum shaping table may further include a ground rail 16 and a driving mechanism corresponding to the frame 2; wherein,,
the frame 2 is slidingly connected to the ground rail 16 along the front-rear direction;
the driving mechanism is respectively connected with the ground rail 16 and the corresponding frame 2 and is used for driving the corresponding frame 2 to slide along the front-back direction so as to adjust the front-back position of the water tank.
As shown in fig. 1, 2 and 7, the driving mechanism is, for example and without limitation, a structure including a power member 17, a transmission screw 18, a transmission nut 19 and a nut seat 20; wherein,,
the nut seat 20 is connected with the ground rail 16;
the transmission nut 19 is rotatably connected to the nut seat 20, and a rotation shaft between the transmission nut 19 and the nut seat 20 is arranged along a horizontal direction;
the transmission screw rod 18 is matched and connected with the transmission nut 19;
the power parts 17 are connected to the corresponding frames 2, and the power parts 17 are in transmission connection with the transmission screw 18 and are used for driving the transmission screw 18 to rotate. Because the nut seat 20 is connected with the ground rail 16, the positions of the nut seat 20 and the transmission nut 19 are fixed, and when the transmission screw 18 rotates, the transmission screw 18 drives the power component 17 to move in the front-rear direction, so as to drive the corresponding frame 2 to move in the front-rear direction.
As shown in fig. 1, 2 and 7, the frame 2 is provided with a connecting seat, the power component 17 is connected to the corresponding connecting seat in the frame 2, and the power component 17 is in transmission connection with one end of the transmission screw 18 through a cross shaft type universal coupling 21; in this embodiment, the power unit 17 includes a motor and a worm speed reducer.
As shown in fig. 1, 2, 4, 8, the frame 2 is slidingly coupled to the ground rail 16 by at least two wheel assemblies;
the wheel assembly comprises an axle 22 and at least two wheels 23;
the wheel axle 22 is rotatably connected to the bottom of the frame 2;
the wheel body 23 is connected to the wheel axle 22 and is intended to be supported on the ground rail 16; in this embodiment, the frame 2 is further connected with a vortex air pump 24, a water ring vacuum pump 25, a centrifugal pump 26, an electric cabinet 27 and a rocker arm bracket 28, and the rocker arm bracket is connected with a rocker arm box 29.
In summary, the left-right adjusting mechanism 5 can adjust the left-right position of the cooling water tank 1, and the lifting adjusting mechanism 4 can adjust the height position of the cooling water tank 1, so that the cooling water tank 1 can adapt to the extrusion die in the extruder to adjust the position, and the purpose of making the center of the vacuum shaping table coaxial with the center of the extrusion die is achieved. And each cooling water tank 1 is provided with a separate position adjusting mechanism, so that the position of each cooling water tank 1 can be independently adjusted, the normal operation of other cooling water tanks 1 can not be influenced when the position of any cooling water tank 1 is adjusted, and the operations of different cooling water tanks 1 are not influenced and are not interfered with each other. And the cooling water tank 1 is provided with at least two, so that more than two products can be cooled and shaped at the same time, and the production efficiency is improved. Wherein, install extrusion die in the extruder, follow the goods that extrude in the extrusion die bear on the roller 6 and move forward, through adjusting position about cooling trough 1 and high position can make position about roller 6 and high position adapt to extrusion die's position, it is more convenient to adjust, and it is more convenient to use.
The technical problems, technical solutions and advantageous effects solved by the present utility model have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.
Claims (10)
1. The vacuum shaping table is characterized by comprising at least two cooling water tanks (1) which are arranged in parallel, a rack (2) corresponding to the cooling water tanks (1) and a position adjusting device (100) corresponding to the cooling water tanks (1);
the position adjusting device (100) is connected to the corresponding rack (2), the cooling water tank (1) is connected to the corresponding position adjusting device (100), and the position adjusting device (100) is used for adjusting the left and right positions and the height positions of the corresponding cooling water tank (1);
the position adjusting device (100) comprises a mounting seat (3), at least two lifting adjusting mechanisms (4) and a left adjusting mechanism (5) corresponding to the lifting adjusting mechanisms (4);
the cooling water tanks (1) are connected to the corresponding mounting seats (3), and a plurality of rollers (6) which are sequentially arranged along the length direction of the cooling water tanks (1) are rotatably connected in the cooling water tanks (1);
the mounting seat (3) is connected to the corresponding left and right adjusting mechanisms (5), and the left and right adjusting mechanisms (5) are used for driving the mounting seat (3) to move in the left and right direction;
the left-right adjusting mechanism (5) is connected to the corresponding lifting adjusting mechanism (4), the lifting adjusting mechanism (4) is connected to the corresponding rack (2), and the lifting adjusting mechanism (4) is used for driving the corresponding left-right adjusting mechanism (5) to lift so as to drive the mounting seat (3) and the cooling water tank (1) to lift.
2. The vacuum forming station according to claim 1, wherein,
the lifting adjusting mechanism (4) comprises a lifting seat (7) and a lifting driving part (8);
the left-right adjusting mechanism (5) comprises an adjusting seat (9) and a left-right driving assembly;
the lifting seat (7) is connected to the corresponding frame (2) in a sliding manner along the vertical direction;
the lifting driving component (8) is connected to the corresponding frame (2), and the lifting driving component (8) is connected with the lifting seat (7) and is used for driving the lifting seat (7) to move in a lifting manner;
the mounting seat (3) is connected to the adjusting seat (9);
the adjusting seat (9) is connected to the left and right driving components;
the left-right driving assembly is connected to the lifting seat (7), and is used for driving the adjusting seat (9) to move along the left-right direction so as to drive the corresponding cooling water tank (1) to move along the left-right direction.
3. The vacuum forming station according to claim 2, wherein,
the lifting seat (7) is connected to the corresponding frame (2) in a sliding manner through at least one guide pillar (10);
the guide post (10) is connected with the lifting seat (7);
the frame (2) is connected with a guide sleeve (11) corresponding to the guide post (10), and the guide post (10) is slidably matched in the corresponding guide sleeve (11);
the lifting driving component (8) is a screw rod lifter.
4. Vacuum forming table according to claim 2, characterized in that the left and right driving assembly comprises an adjusting screw (12) and a hand wheel (13); wherein,,
the adjusting screw rods (12) are rotationally connected to the corresponding lifting seats (7), and the length direction of the adjusting screw rods (12) is set along the left-right direction;
the adjusting seat (9) is in threaded connection with the adjusting screw rod (12);
the hand wheel (13) is connected with the adjusting screw rod (12).
5. Vacuum shaping table according to claim 1, characterized in that the front end of the cooling water tank (1) and/or the rear end of the cooling water tank (1) is connected with a drainage tank (14), the bottom of the drainage tank (14) being provided with a drain.
6. Vacuum forming station according to claim 1, further comprising a blow-drying tub (15) corresponding to the cooling water tank (1) and mounted on the corresponding cooling water tank (1), the blow-drying tub (15) being provided with cooling pipes for blow-drying the product.
7. Vacuum forming station according to claim 1, characterized in that it further comprises a ground rail (16) and a driving mechanism corresponding to the frame (2); wherein,,
the frame (2) is connected to the ground rail (16) in a sliding manner along the front-back direction;
the driving mechanism is respectively connected with the ground rail (16) and the corresponding frame (2) and is used for driving the corresponding frame (2) to slide along the front-back direction.
8. Vacuum forming station according to claim 7, characterized in that the driving mechanism comprises a power member (17), a transmission screw (18), a transmission nut (19) and a nut seat (20); wherein,,
the nut seat (20) is connected with the ground rail (16);
the transmission nut (19) is rotationally connected to the nut seat (20);
the transmission screw rod (18) is connected with the transmission nut (19) in a matching way;
the power component (17) is connected to the corresponding frame (2), and the power component (17) is in transmission connection with the transmission screw rod (18) and is used for driving the transmission screw rod (18) to rotate.
9. Vacuum forming table according to claim 8, characterized in that the frame (2) is provided with a connecting seat, the power component (17) is connected to the corresponding connecting seat in the frame (2), and the power component (17) is in transmission connection with one end of the transmission screw (18) through a cross-shaft type universal coupling (21).
10. Vacuum forming table according to claim 7, characterized in that the frame (2) is slidingly connected to the ground rail (16) by means of at least two wheel assemblies;
the wheel assembly comprises an axle (22) and at least two wheels (23);
the wheel axle (22) is rotatably connected to the bottom of the frame (2);
the wheel body (23) is connected to the wheel axle (22) and is intended to be supported on the ground rail (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223400943.2U CN218906264U (en) | 2022-12-19 | 2022-12-19 | Vacuum shaping table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223400943.2U CN218906264U (en) | 2022-12-19 | 2022-12-19 | Vacuum shaping table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218906264U true CN218906264U (en) | 2023-04-25 |
Family
ID=86049903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223400943.2U Active CN218906264U (en) | 2022-12-19 | 2022-12-19 | Vacuum shaping table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218906264U (en) |
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2022
- 2022-12-19 CN CN202223400943.2U patent/CN218906264U/en active Active
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