CN113182358A - Wire rolling mill convenient to use - Google Patents
Wire rolling mill convenient to use Download PDFInfo
- Publication number
- CN113182358A CN113182358A CN202110366263.4A CN202110366263A CN113182358A CN 113182358 A CN113182358 A CN 113182358A CN 202110366263 A CN202110366263 A CN 202110366263A CN 113182358 A CN113182358 A CN 113182358A
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- CN
- China
- Prior art keywords
- wire rolling
- rolling mill
- spring
- block
- fixed mounting
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Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 239000000779 smoke Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention belongs to the technical field of mechanical equipment, in particular to a wire rolling mill convenient to use, and provides a scheme aiming at the problems that when the existing wire rolling mill is used, the movement is very inconvenient, the equipment is not stably placed when the equipment works, the use height of the wire rolling mill is inconvenient to adjust, great inconvenience is brought to users, and the operation efficiency of the users is affected. The wire rolling machine adjusting device is simple in structure and convenient to operate, can move the wire rolling machine more conveniently, can realize stable placement of the wire rolling machine when the movement is finished, can adjust the use height of the wire rolling machine, and is convenient for a user to operate.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a wire rolling mill convenient to use.
Background
No dust removing facility is designed behind the line rolling mill, particularly the rough and medium rolling mill, however, red smoke (fine powder of iron oxide scale) can be formed at the outlet of each rolling mill due to the iron oxide scale generated in the heating and rolling process of the billet, the red smoke can cause great harm to human bodies, meanwhile, the visibility of a workshop is reduced, and the field sanitation is greatly influenced. At present, rubber tubes are generally used for directly watering the outlet of a rolling mill in production, the rubber tubes do not work when the water quantity is small, red smoke can be eliminated only when the water quantity is large, but the temperature of steel billets is reduced more when the water quantity is too large, and the rolling requirement cannot be met.
The existing wire rolling machine has the problems that the movement is inconvenient, the equipment is unstable during working, the use height of the wire rolling machine is not convenient to adjust, great inconvenience is brought to users, and the operation efficiency of the users is affected.
Disclosure of Invention
The wire rolling mill convenient to use is provided for solving the defects that the wire rolling mill is inconvenient to move when in use, the equipment is unstable to place when in work, the use height of the wire rolling mill is not convenient to adjust, great inconvenience is brought to users, and the operation efficiency of the users is influenced.
The technical scheme of the invention is as follows: the utility model provides a line rolling mill convenient to use, is including removing the base, the top of removing the base is equipped with the line rolling mill, the bottom fixed mounting of line rolling mill has the bottom plate, the even fixed mounting in top of removing the base has a plurality of dead levers, the top fixed mounting of dead lever has the rectangle dog, bottom plate slidable mounting is on the dead lever, the sliding sleeve is equipped with the buffer block on the dead lever, the top of buffer block and the bottom of bottom plate are contacted mutually, the bottom fixed mounting of buffer block has the one end of first spring, the other end fixed mounting of first spring is in the top of removing the base, the even fixed mounting in bottom of removing the base has a plurality of installation pieces, all rotates on a plurality of installation pieces and installs the walking wheel.
Preferably, the top one end fixed mounting who removes the base has the motor, has seted up on the removal base and has rotated the chamber, and the output shaft of motor extends to and rotates the intracavity and fixed mounting has the pivot, and fixed cover is equipped with first conical gear in the pivot, and the meshing has second conical gear on the first conical gear.
Preferably, a rotating groove is formed in the inner wall of one side of the rotating cavity, a screw rod is rotatably mounted in the rotating groove, and one end of the screw rod extends into the rotating cavity and is welded with the second bevel gear.
Preferably, be equipped with two on the screw rod and revolve to opposite screw thread, all be connected with horizontal slider on two screw threads, slidable mounting has the transmission shaft on the horizontal slider, and the transmission shaft is located the below of screw rod, and the equal fixed mounting in both ends of transmission shaft has the transmission piece, and the equal fixed mounting in one side that two horizontal sliders kept away from each other has the one end of second spring, and the other end fixed mounting of second spring is on the transmission piece that corresponds.
Preferably, the bottom of moving the base is even fixed mounting have a plurality of fixing bases, and the one side that two fixing bases that lie in on the same horizontal axis are close to each other has all been seted up and has been erected the groove, erects inslot slidable mounting and has the spring block, and the bottom fixed mounting of spring block has the one end of third spring, and the other end fixed mounting of third spring is on the bottom inner wall that corresponds perpendicular groove.
Preferably, one side of the spring block extends to the outer side of the corresponding fixed seat and is fixedly provided with a supporting seat, and the bottoms of the supporting seats are fixedly provided with the same supporting plate.
Preferably, two through holes are formed in the bottom of the movable base and communicated with the rotating groove, the top of the supporting seat extends into the corresponding through hole and is rotatably provided with a connecting shaft, and one end of the connecting shaft is rotatably arranged on the corresponding transmission block.
Preferably, the connecting hole has been seted up at the top of removal base, and the top of horizontal slider rotates the one end of installing the bracing piece, and two cross slots have been seted up to the bottom of bottom plate, and slidable mounting has the connecting block in the cross slot, and the other end of bracing piece rotates to be installed on the connecting block that corresponds.
The invention has the beneficial effects that: due to the matching of the buffer block and the first spring, small-amplitude buffer protection of the wire rolling machine can be realized, and meanwhile, the moving base can be moved through the matching of the traveling wheels, so that the wire rolling machine can be conveniently moved;
the output shaft of the motor rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the first conical gear to rotate, the first conical gear drives the second conical gear to rotate, the screw rod is driven to rotate when the second conical gear rotates, when the two horizontal sliding blocks firstly slide to one side away from each other, the horizontal sliding blocks drive the transmission shaft to slide, one end of the connecting shaft rotates on the corresponding supporting seat to drive the supporting seat to slide downwards, the supporting seat drives the spring block to slide in the vertical groove to drive the third spring to shrink under stress, and the supporting seat slides downwards to drive the supporting plate to contact with the ground to support the movable base, so that the movable base is stably placed;
the horizontal sliding block slides to drive the electric supporting rod to rotate and move, one end of the supporting rod drives the corresponding connecting block to slide in the transverse groove, so that the lifting of the bottom plate is not interfered with each other before the moving base is stably placed, when the connecting block slides to the extreme position, the horizontal sliding block continuously slides at the moment, the bottom plate slides on the fixed rod, and the use height of the wire rolling machine is adjusted;
the wire rolling machine adjusting device is simple in structure and convenient to operate, can move the wire rolling machine more conveniently, can realize stable placement of the wire rolling machine when the movement is finished, can adjust the use height of the wire rolling machine, and is convenient for a user to operate.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is an enlarged schematic view of part a of the present invention.
Fig. 3 is an enlarged schematic view of part B of the present invention.
Fig. 4 is an enlarged schematic view of part C of the present invention.
Fig. 5 is an enlarged schematic view of part D of the present invention.
In the reference symbols: 1-moving base, 2-line rolling mill, 3-bottom plate, 4-fixed rod, 5-rectangular block, 6-buffer block, 7-first spring, 8-installation block, 9-walking wheel, 10-motor, 11-rotation cavity, 12-rotation shaft, 13-first bevel gear, 14-second bevel gear, 15-rotation groove, 16-screw rod, 17-horizontal slider, 18-transmission shaft, 19-transmission block, 20-second spring, 21-fixed seat, 22-vertical groove, 23-spring block, 24-third spring, 25-supporting seat, 26-supporting plate, 27-through hole, 28-connecting shaft, 29-connecting hole, 30-supporting rod, 31-horizontal groove and 32-connecting block.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-5, a wire rolling mill convenient to use comprises a movable base 1, a wire rolling mill 2 is arranged above the movable base 1, a bottom plate 3 is fixedly arranged at the bottom of the wire rolling mill 2, a plurality of fixed rods 4 are uniformly and fixedly arranged at the top of the movable base 1, rectangular stop blocks 5 are fixedly arranged at the top ends of the fixed rods 4, the bottom plate 3 is slidably arranged on the fixed rods 4, a buffer block 6 is sleeved on the fixed rods 4 in a sliding manner, the top of the buffer block 6 is contacted with the bottom of the bottom plate 3, one end of a first spring 7 is fixedly arranged at the bottom of the buffer block 6, the other end of the first spring 7 is fixedly arranged at the top of the movable base 1, a plurality of mounting blocks 8 are uniformly and fixedly arranged at the bottom of the movable base 1, traveling wheels 9 are rotatably arranged on the mounting blocks 8, when in use, small-amplitude buffer protection of the wire rolling mill 2 can be realized due to the matching of the buffer block 6 and the first spring 7, meanwhile, the moving base 1 is moved through the matching of the walking wheels 9, and the line rolling machine 2 is convenient to move.
In this embodiment, top one end fixed mounting who removes base 1 has motor 10, it rotates chamber 11 to have seted up on the removal base 1, the output shaft of motor 10 extends to and rotates in the chamber 11 and fixed mounting has pivot 12, fixed cover is equipped with first conical gear 13 on the pivot 12, the meshing has second conical gear 14 on the first conical gear 13, when removing the end, start motor 10, the output shaft of motor 10 rotates and drives pivot 12 and rotate, pivot 12 rotates and drives first conical gear 13 and rotate, first conical gear 13 drives second conical gear 14 and rotates.
In this embodiment, a rotating groove 15 is formed in an inner wall of one side of the rotating cavity 11, a screw 16 is rotatably mounted in the rotating groove 15, one end of the screw 16 extends into the rotating cavity 11 and is welded to the second bevel gear 14, and the second bevel gear 14 drives the screw 16 to rotate when rotating.
In this embodiment, be equipped with two threads that revolve to opposite on the screw rod 16, all be connected with horizontal slider 17 on two threads, slidable mounting has transmission shaft 18 on horizontal slider 17, transmission shaft 18 is located the below of screw rod 16, the equal fixed mounting in both ends of transmission shaft 18 has transmission block 19, the equal fixed mounting in one side that two horizontal slider 17 kept away from each other has the one end of second spring 20, the other end fixed mounting of second spring 20 is on the transmission block 19 that corresponds, because two revolve to opposite screw, when making screw rod 16 rotate, two horizontal slider 17 slide to the one side that is close to each other or keeps away from each other simultaneously, when two horizontal slider 17 at first slide to the one side of keeping away from each other, horizontal slider 17 drives transmission shaft 18 and slides, because the elasticity of second spring 20, make transmission shaft 18 drive the one end rotation movement of connecting axle 28 at first.
In this embodiment, the even fixed mounting in bottom of moving base 1 has a plurality of fixing bases 21, the perpendicular groove 22 has all been seted up to one side that two fixing bases 21 that are located on the same horizontal axis are close to each other, slidable mounting has spring block 23 in erecting groove 22, the bottom fixed mounting of spring block 23 has the one end of third spring 24, the other end fixed mounting of third spring 24 is on the bottom inner wall of the perpendicular groove 22 that corresponds, the one end of connecting axle 28 rotates on the supporting seat 25 that corresponds and drives supporting seat 25 and slide downwards, supporting seat 25 drives spring block 23 and slides in erecting groove 22 and drives third spring 24 atress shrink.
In this embodiment, one side of spring block 23 extends to the outside and the fixed mounting of the fixing base 21 that corresponds has supporting seat 25, and the bottom fixed mounting of a plurality of supporting seats 25 has same backup pad 26, and supporting seat 25 slides down and drives backup pad 26 and ground contact to support removal base 1, realizes removing the firm of base 1 and places.
In this embodiment, two through holes 27 have been seted up to the bottom of moving base 1, and through hole 27 is linked together with rotation groove 15, and the top of supporting seat 25 extends to in the through hole 27 that corresponds and rotates and install connecting axle 28, and the one end of connecting axle 28 rotates and installs on corresponding transmission piece 19, and horizontal slider 17 slip electric support pole 30 rotates simultaneously and moves, and the one end of bracing piece 30 drives corresponding connecting block 32 and slides in horizontal groove 31.
In this embodiment, connecting hole 29 has been seted up at the top of moving base 1, horizontal slider 17's top is rotated and is installed the one end of bracing piece 30, two cross slots 31 have been seted up to bottom plate 3's bottom, slidable mounting has connecting block 32 in the cross slot 31, the other end of bracing piece 30 rotates and installs on corresponding connecting block 32, before making moving base 1 stabilize and place, the two mutual noninterference of bottom plate 3 lift, connecting block 32 slides when extreme position, horizontal slider 17's the continuation slip this moment, realize that bottom plate 3 slides on dead lever 4.
The working principle is as follows: when the wire rolling machine is used, small-amplitude buffer protection of the wire rolling machine 2 can be realized due to the matching of the buffer block 6 and the first spring 7, meanwhile, the moving of the moving base 1 is realized through the matching of the travelling wheels 9, the wire rolling machine 2 is convenient to move, when the moving is finished, the motor 10 is started, the output shaft of the motor 10 rotates to drive the rotating shaft 12 to rotate, the rotating shaft 12 rotates to drive the first bevel gear 13 to rotate, the first bevel gear 13 drives the second bevel gear 14 to rotate, the second bevel gear 14 rotates to drive the screw rod 16 to rotate, due to the two threads with opposite rotating directions, when the screw rod 16 rotates, the two horizontal sliding blocks 17 simultaneously slide towards one side close to or away from each other, when the two horizontal sliding blocks 17 firstly slide towards one side away from each other, the horizontal sliding blocks 17 drive the transmission shaft 18 to slide, and due to the elasticity of the second spring 20, the transmission shaft 18 firstly drives one end of the connecting shaft 28 to rotate and move, one end of connecting axle 28 rotates on the supporting seat 25 that corresponds and drives supporting seat 25 and slide downwards, supporting seat 25 drives spring block 23 and slides and drive the contraction of 24 atresss of third spring in erecting groove 22, supporting seat 25 slides downwards and drives backup pad 26 and ground contact and support removal base 1, the firm of realizing removing base 1 is placed, horizontal slider 17 slip electric support pole 30 rotates the removal simultaneously, the one end of bracing piece 30 drives connecting block 32 that corresponds and slides in transverse groove 31, make and remove base 1 before firm the placing, the two mutual noninterference that goes up and down of bottom plate 3, connecting block 32 slides when extreme position, the continuous slip of horizontal slider 17 this moment, realize that bottom plate 3 slides on dead lever 4, the realization is highly adjusted to the use of wire rolling mill 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a wire rolling mill convenient to use, includes moving base (1), its characterized in that, moving base (1)'s top is equipped with wire rolling mill (2), wire rolling mill's (2) bottom fixed mounting has bottom plate (3), moving base's (1) even fixed mounting in top has a plurality of dead levers (4), the top fixed mounting of dead lever (4) has rectangle dog (5), bottom plate (3) slidable mounting is on dead lever (4), the sliding sleeve is equipped with buffer block (6) on dead lever (4), the top of buffer block (6) and the bottom of bottom plate (3) contact, the bottom fixed mounting of buffer block (6) has the one end of first spring (7), the other end fixed mounting of first spring (7) is in moving base's (1) top, moving base's (1) bottom even fixed mounting has a plurality of installation piece (8), the plurality of mounting blocks (8) are all rotatably provided with traveling wheels (9).
2. The wire rolling mill convenient to use as claimed in claim 1, wherein a motor (10) is fixedly mounted at one end of the top of the movable base (1), a rotating cavity (11) is formed in the movable base (1), an output shaft of the motor (10) extends into the rotating cavity (11) and is fixedly mounted with a rotating shaft (12), a first bevel gear (13) is fixedly sleeved on the rotating shaft (12), and a second bevel gear (14) is meshed on the first bevel gear (13).
3. The wire rolling mill convenient to use as claimed in claim 2, wherein a rotating groove (15) is formed in one side inner wall of the rotating cavity (11), a screw rod (16) is rotatably mounted in the rotating groove (15), and one end of the screw rod (16) extends into the rotating cavity (11) and is welded with the second bevel gear (14).
4. The wire rolling mill convenient to use as claimed in claim 3, wherein the screw (16) is provided with two threads with opposite rotation directions, the two threads are connected with horizontal sliding blocks (17), the horizontal sliding blocks (17) are provided with transmission shafts (18) in a sliding manner, the transmission shafts (18) are positioned below the screw (16), the two ends of the transmission shafts (18) are respectively and fixedly provided with a transmission block (19), one sides of the two horizontal sliding blocks (17) far away from each other are respectively and fixedly provided with one end of a second spring (20), and the other ends of the second springs (20) are fixedly arranged on the corresponding transmission blocks (19).
5. The wire rolling mill convenient to use as claimed in claim 1, wherein the bottom of the movable base (1) is uniformly and fixedly provided with a plurality of fixing seats (21), one side of each of the two fixing seats (21) on the same horizontal axis, which is close to each other, is provided with a vertical groove (22), a spring block (23) is slidably arranged in the vertical groove (22), the bottom of the spring block (23) is fixedly provided with one end of a third spring (24), and the other end of the third spring (24) is fixedly arranged on the inner wall of the bottom of the corresponding vertical groove (22).
6. A wire rolling mill convenient to use according to claim 5, characterized in that one side of the spring block (23) extends to the outside of the corresponding fixed seat (21) and is fixedly provided with a supporting seat (25), and the bottom of a plurality of supporting seats (25) is fixedly provided with the same supporting plate (26).
7. The wire rolling mill convenient to use as claimed in claim 1, wherein the bottom of the movable base (1) is provided with two through holes (27), the through holes (27) are communicated with the rotating groove (15), the top of the supporting seat (25) extends into the corresponding through hole (27) and is rotatably provided with a connecting shaft (28), and one end of the connecting shaft (28) is rotatably arranged on the corresponding transmission block (19).
8. The wire rolling mill convenient to use as claimed in claim 1, wherein the top of the moving base (1) is provided with a connecting hole (29), the top of the horizontal sliding block (17) is rotatably provided with one end of a supporting rod (30), the bottom of the bottom plate (3) is provided with two transverse grooves (31), the transverse grooves (31) are internally provided with connecting blocks (32) in a sliding manner, and the other end of the supporting rod (30) is rotatably arranged on the corresponding connecting blocks (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110366263.4A CN113182358A (en) | 2021-04-06 | 2021-04-06 | Wire rolling mill convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110366263.4A CN113182358A (en) | 2021-04-06 | 2021-04-06 | Wire rolling mill convenient to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113182358A true CN113182358A (en) | 2021-07-30 |
Family
ID=76975017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110366263.4A Pending CN113182358A (en) | 2021-04-06 | 2021-04-06 | Wire rolling mill convenient to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113182358A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU33041U1 (en) * | 2003-05-22 | 2003-10-10 | Открытое акционерное общество "Колпинский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения" | SHOCK ABSORBING DEVICE |
| CN108053754A (en) * | 2017-11-27 | 2018-05-18 | 宁波市鄞州智伴信息科技有限公司 | A kind of billboard of installation easy to remove |
| CN207463815U (en) * | 2017-11-24 | 2018-06-08 | 湛江市霞山区生产力促进中心 | A kind of steel and iron manufacturing hot-rolling mill |
| CN108662405A (en) * | 2018-05-14 | 2018-10-16 | 长沙集智创新工业设计有限公司 | A kind of main frame pedestal being moved easily |
| CN109261805A (en) * | 2018-12-01 | 2019-01-25 | 罗峰 | A kind of stamping die convenient for positioning |
| CN208827128U (en) * | 2018-10-08 | 2019-05-07 | 富维薄膜（山东）有限公司 | Film production corona treatment |
| CN209811724U (en) * | 2019-02-26 | 2019-12-20 | 惠州市拓川科技有限公司 | Large-scale digit control machine tool strutting arrangement |
| CN210333766U (en) * | 2019-07-15 | 2020-04-17 | 常州威诺斯花辊有限公司 | High-speed rolling mill with good stability |
| CN210892645U (en) * | 2019-11-22 | 2020-06-30 | 新三和（烟台）食品有限责任公司 | Vacuum drying device for food |
| CN212105037U (en) * | 2020-02-20 | 2020-12-08 | 浙江千阁建筑工程有限公司 | Movable building construction platform |
-
2021
- 2021-04-06 CN CN202110366263.4A patent/CN113182358A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU33041U1 (en) * | 2003-05-22 | 2003-10-10 | Открытое акционерное общество "Колпинский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения" | SHOCK ABSORBING DEVICE |
| CN207463815U (en) * | 2017-11-24 | 2018-06-08 | 湛江市霞山区生产力促进中心 | A kind of steel and iron manufacturing hot-rolling mill |
| CN108053754A (en) * | 2017-11-27 | 2018-05-18 | 宁波市鄞州智伴信息科技有限公司 | A kind of billboard of installation easy to remove |
| CN108662405A (en) * | 2018-05-14 | 2018-10-16 | 长沙集智创新工业设计有限公司 | A kind of main frame pedestal being moved easily |
| CN208827128U (en) * | 2018-10-08 | 2019-05-07 | 富维薄膜（山东）有限公司 | Film production corona treatment |
| CN109261805A (en) * | 2018-12-01 | 2019-01-25 | 罗峰 | A kind of stamping die convenient for positioning |
| CN209811724U (en) * | 2019-02-26 | 2019-12-20 | 惠州市拓川科技有限公司 | Large-scale digit control machine tool strutting arrangement |
| CN210333766U (en) * | 2019-07-15 | 2020-04-17 | 常州威诺斯花辊有限公司 | High-speed rolling mill with good stability |
| CN210892645U (en) * | 2019-11-22 | 2020-06-30 | 新三和（烟台）食品有限责任公司 | Vacuum drying device for food |
| CN212105037U (en) * | 2020-02-20 | 2020-12-08 | 浙江千阁建筑工程有限公司 | Movable building construction platform |
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Application publication date: 20210730 |
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| RJ01 | Rejection of invention patent application after publication |