CN220520053U - Roller lifting structure - Google Patents
Roller lifting structure Download PDFInfo
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- CN220520053U CN220520053U CN202322216613.6U CN202322216613U CN220520053U CN 220520053 U CN220520053 U CN 220520053U CN 202322216613 U CN202322216613 U CN 202322216613U CN 220520053 U CN220520053 U CN 220520053U
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- roller
- lifting
- screw rod
- frame
- lifters
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- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000003028 elevating effect Effects 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Abstract
The utility model relates to the field of film equipment and discloses a roller lifting structure, which comprises a frame, two lifting seats which are symmetrically arranged on the frame and can move up and down, a roller with end shafts respectively connected with the two lifting seats in a rotating way, and a lifting mechanism for driving the two lifting seats to synchronously lift; the lifting mechanism comprises two screw rod lifters, the main bodies of the two screw rod lifters are respectively fixed on the frame, screw rods of the two screw rod lifters are vertically arranged, screw rod nuts are respectively fixedly connected with the two lifting seats, a connecting shaft is connected between input rotating shafts of the two screw rod lifters, the input rotating shaft of one screw rod lifter is in driving connection with the lifting driving assembly, and the lifting of the roller is accurate, stable and reliable.
Description
Technical Field
The utility model relates to the field of film equipment, in particular to a roller lifting structure.
Background
The roller plays an important role in film production and mainly comprises the following aspects:
(1) Highlighting and adjusting film thickness: rollers, one of the key components in the film line, can help control the thickness of the film. The accurate control of the film thickness can be realized by adjusting the distance between the rollers or using rollers with different diameters.
(2) Leveling and winding up the film: the rollers can be used to transfer the film from the film line by applying appropriate pressure and to flatten the film surface and remove air bubbles, wrinkles, etc. to obtain a uniform and smooth film product. In addition, the roller is also used for coiling the film into a coil, so that the subsequent storage, transportation and use are convenient.
(3) Conduction temperature: in some film production processes, rollers can be used as temperature conduction media to regulate the temperature of the film by heating or cooling the roller surface. This is critical to controlling the thermal shrinkage, curing or other heat sensitive processing of the film.
(4) Auxiliary coating and stretching: in the coating section of film production, rollers are often used as auxiliary equipment to help uniformly coat the material on the film surface. In addition, the rollers can also serve as auxiliary guides and supports during the stretching or orienting of the film, ensuring that the film is stretched in the desired direction and shape.
The existing roller mainly drives the roller to lift through an air cylinder or an oil cylinder, so that the height position of the roller is adjusted, when two air cylinders are adopted as lifting drivers, the two air cylinders can not work synchronously easily due to unstable air pressure and crawling phenomenon in the cylinder body (namely, in a hydraulic or pneumatic air cylinder, when the system is in a static state, a piston or a piston rod can spontaneously and slowly move or slide and is not influenced by external force or control signals), and the problem that the left and right sides of the roller are not horizontal is easily caused; if two oil cylinders are adopted as lifting drivers, the oil cylinders have the environmental problems of high cost, oil pollution and the like.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a roller lifting structure, which aims to stably and reliably drive a roller to lift and avoid the problem that the left and right of the roller are not horizontal.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a roller lifting structure comprises a frame, two lifting seats which are symmetrically arranged on the frame and can move up and down, a roller with end shafts respectively connected with the two lifting seats in a rotating way, and a lifting mechanism for driving the two lifting seats to synchronously lift; the lifting mechanism comprises two screw rod lifters, the main bodies of the two screw rod lifters are respectively fixed on the frame, screw rods of the two screw rod lifters are vertically arranged, screw rod nuts are respectively fixedly connected with the two lifting seats, a connecting shaft is connected between input rotating shafts of the two screw rod lifters, and the input rotating shaft of one screw rod lifter is in driving connection with the lifting driving assembly.
As a further step of the technical scheme, two sliding blocks are fixed on the lifting seat, two guide rails which extend vertically and are respectively arranged corresponding to the two sliding blocks are arranged on the frame, and the sliding blocks are in sliding connection with the guide rails.
As a further improvement of the technical scheme, the lifting driving assembly comprises a motor bracket fixed on the frame and a first motor arranged on the motor bracket, and an output shaft of the first motor is in driving connection with an input rotating shaft of one of the screw rod lifters.
As a further improvement of the technical scheme, the lifting driving assembly comprises a hand wheel in driving connection with the input rotating shaft of one of the screw rod lifters.
As a further improvement of the technical scheme, one end of the roller is in driving connection with the second motor.
As a further improvement of the technical scheme, a cavity extending along the axial direction is arranged in the roller, and connectors for connecting the cavity are arranged at the other ends of the roller.
As a further technical scheme, the frame is provided with a linear displacement sensor, and a transmission rod of the linear displacement sensor is connected with one of the lifting seats.
As a further technical scheme, a lower limit seat is arranged below the lifting seat, and an upper limit seat is arranged above the lifting seat.
The utility model has the beneficial effects that: the roller lifting structure provided by the utility model adopts the screw rod lifter to drive the roller to lift, the roller lifting is accurate, stable and reliable, the problems of instability, asynchronism and the like caused by driving the lifting by the air cylinder are solved, and the problems of high lifting cost caused by driving the oil cylinder, oil pollution and the like are also solved. And the two screw rod lifters are linked through the connecting shaft, so that the lifting heights of the left end and the right end of the roller are consistent, and the problem that the left end and the right end of the roller are not horizontal is avoided.
Drawings
Fig. 1 is a perspective view of a roller elevating structure.
Fig. 2 is a partial enlarged view of the area a in fig. 1.
Fig. 3 is a partial enlarged view of the region B in fig. 1.
Fig. 4 is a front view of a roller elevating structure.
Description of main reference numerals: 1-frame, 2-lifting seat, 21-vertical joint, 22-transverse joint, 23-reinforcing rib, 3-roller, 41-screw lifter, 42-connecting shaft, 43-slide block, 44-guide rail, 45-bearing seat, 46-coupling, 51-first motor, 52-motor bracket, 6-linear displacement sensor, 71-upper limit seat, 72-lower limit seat, 8-connector and 9-second motor.
Detailed Description
The utility model provides a lifting structure of a roller 3, which is used for making the purpose, technical scheme and effect of the utility model clearer and more definite, and the utility model is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-4, the utility model provides a roller lifting structure, which comprises a frame 1, two lifting seats 2 symmetrically arranged on the frame 1 and capable of moving up and down, a roller 3 with end shafts respectively connected with the two lifting seats 2 in a rotating way, and a lifting mechanism for driving the two lifting seats 2 to synchronously lift; the lifting mechanism comprises two screw lifters 41, the main bodies of the two screw lifters 41 are respectively fixed on the frame 1, screw rods of the two screw lifters 41 are vertically arranged, screw nuts are respectively fixedly connected with the two lifting seats 2, a connecting shaft 42 is connected between input rotating shafts of the two screw lifters 41, and the input rotating shaft of one screw lifter 41 is in driving connection with the lifting driving assembly.
When the input rotating shaft of one screw rod lifter 41 is driven to rotate, the input rotating shaft of the other screw rod lifter 41 is driven by the connecting shaft 42 to synchronously rotate, so that the two screw rod nuts synchronously lift, the two lifting seats 2 synchronously lift, and the roller 3 is driven to lift.
Compared with the prior art, the lifting structure of the roller 3 provided by the utility model adopts the screw rod lifter 41 to drive the roller 3 to lift, solves the problems of instability, asynchronism and the like caused by lifting driven by the air cylinder, and also solves the problems of high lifting cost driven by the oil cylinder, oil pollution and the like. The two screw rod lifters 41 are linked through the connecting shaft 42, so that the lifting heights of the left end and the right end of the roller 3 are consistent, and the problem that the left end and the right end of the roller 3 are not horizontal is avoided.
Specifically, two sliding blocks 43 are fixed on the lifting seat 2, two guide rails 44 which extend vertically and are respectively arranged corresponding to the two sliding blocks 43 are arranged on the frame 1, and the sliding blocks 43 are in sliding connection with the guide rails 44. Under the guidance of the sliding block 43 and the guide rail 44, on one hand, the lifting seat 2 and the roller 3 can always move vertically only and cannot deviate forwards and backwards, and on the other hand, the lifting seat 2 can move stably and smoothly.
In this embodiment, the lifting seat 2 includes a vertical connection portion 21 rotatably connected to the shaft end of the roller 3, a transverse connection portion 22 perpendicular to the vertical connection portion 21, and a reinforcing rib 23 connecting the vertical connection portion 21 and the transverse connection portion 22, the slider 43 is fixed on the back surface of the vertical connection portion 21, and the screw nut is fixed on the transverse connection portion 22.
It should be noted that, the screw lifter 41 is in the prior art, and mainly includes a lifter main body, a screw and a screw nut, in which a worm wheel and a worm meshed with each other are disposed, that is, an input shaft is disposed in the lifter main body, and the worm wheel is fixedly connected with the screw, so that the screw lifter can be directly purchased from the market, such as a SWL screw lifter with a medium and large starting force.
In one embodiment, the lifting driving assembly comprises a motor bracket 52 fixed on the frame 1, and a first motor 51 arranged on the motor bracket 52, wherein an output shaft of the first motor 51 is in driving connection with an input rotating shaft of one of the screw lifters 41, and the electric cabinet controls the first motor 51 to work and drives the roller 3 to lift in an electric control mode.
In another embodiment, the lifting drive assembly includes a hand wheel drivingly connected to the input shaft of one of the lead screw lifters 41, and the hand wheel is manually adjustable by rotation.
The roller 3 can be used as a guide roller and also as a traction roller, when the roller 3 is used as the traction roller, one end of the roller 3 is in driving connection with a second motor 9, and the second motor 9 drives the roller 3 to rotate.
In addition, when the roller 3 is used as a cooling roller, a cavity extending along the axial direction is arranged in the roller 3, and the other end of the roller 3 is provided with a joint 8 for connecting the cavity. The joint 8 is connected with a cooling liquid circulation device which can convey cooling liquid to the cavity to take away the heat of the roller body of the cooling roller.
Preferably, the frame 1 is provided with a linear displacement sensor 6, a transmission rod of the linear displacement sensor 6 is connected with one of the lifting seats 2, the height of the roller 3 is accurately fed back through the linear displacement sensor 6, and the accurate control of the whole lifting process is realized by combining the first motor 51. The lower limit seat 72 is arranged below the lifting seat 2, the upper limit seat 71 is arranged above the lifting seat 2, and the lifting amplitude of the roller 3 is limited by the lower limit seat 72 and the upper limit seat 71.
Both ends of the connection shaft 42 are connected with the input rotation shaft of the screw lifter 41 through a coupling 46, and bearing seats 45 supporting the connection shaft 42 are sleeved at the middle and both ends of the connection shaft 42 in order to prevent the connection shaft 42 from sagging due to the long length of the connection shaft 42.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.
Claims (8)
1. The roller lifting structure is characterized by comprising a frame, two lifting seats which are symmetrically arranged on the frame and can move up and down, a roller with an end shaft respectively connected with the two lifting seats in a rotating way, and a lifting mechanism for driving the two lifting seats to synchronously lift; the lifting mechanism comprises two screw rod lifters, the main bodies of the two screw rod lifters are respectively fixed on the frame, screw rods of the two screw rod lifters are vertically arranged, screw rod nuts are respectively fixedly connected with the two lifting seats, a connecting shaft is connected between input rotating shafts of the two screw rod lifters, and the input rotating shaft of one screw rod lifter is in driving connection with the lifting driving assembly.
2. The roller lifting structure according to claim 1, wherein two sliding blocks are fixed on the lifting seat, two guide rails which extend vertically and are respectively arranged corresponding to the two sliding blocks are arranged on the frame, and the sliding blocks are in sliding connection with the guide rails.
3. The roller elevating structure according to claim 1, wherein the elevating driving assembly comprises a motor bracket fixed on the frame, and a first motor arranged on the motor bracket, and an output shaft of the first motor is in driving connection with an input rotating shaft of one of the screw lifters.
4. The roller elevating structure according to claim 1, wherein the elevating driving assembly comprises a hand wheel drivingly connected to the input shaft of one of the screw lifters.
5. The roller elevating structure according to claim 1, wherein one end of the roller is drivingly connected to the second motor.
6. The roller lifting structure according to claim 5, wherein a cavity extending along the axial direction is arranged in the roller, and joints for connecting the cavities are arranged at the other ends of the roller.
7. The roller elevating structure according to claim 1, wherein a linear displacement sensor is provided on the frame, and a transmission rod of the linear displacement sensor is connected with one of the elevating seats.
8. The roller elevating structure according to claim 1, wherein a lower limit seat is provided below the elevating seat, and an upper limit seat is provided above the elevating seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322216613.6U CN220520053U (en) | 2023-08-16 | 2023-08-16 | Roller lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322216613.6U CN220520053U (en) | 2023-08-16 | 2023-08-16 | Roller lifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220520053U true CN220520053U (en) | 2024-02-23 |
Family
ID=89924557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322216613.6U Active CN220520053U (en) | 2023-08-16 | 2023-08-16 | Roller lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220520053U (en) |
-
2023
- 2023-08-16 CN CN202322216613.6U patent/CN220520053U/en active Active
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