CN220945527U - Lifting device and splitting machine - Google Patents

Abstract

The utility model discloses a lifting device and a splitting machine, wherein the lifting device comprises a frame, a lifting mechanism and a lifting frame; the lifting mechanism comprises a mounting part, a driving part and a lifting part, the driving part is fixed on the frame through the mounting part, the lifting part is connected with the driving part, and the driving part drives the lifting part to move up and down along a first direction relative to the mounting part; the lifting frame is fixedly connected with the lifting part, and is provided with a lifting part which is at least used for lifting the cutter shaft of the splitting machine. The utility model solves the problem of poor safety in the replacement process of the cutter.

Description

Lifting device and splitting machine

Technical Field

The application relates to the technical field of machinery, in particular to a lifting device and a splitting machine.

Background

The conductive film is a high polymer material with metal plated on the surface, is widely applied to lithium ion batteries, and is mainly used as a current collector of the lithium ion batteries. After the production of the conductive film is completed, a slitting machine is required to be used for slitting and rewinding, in the slitting process, a cutter is required to be used, the cutter is fixedly arranged on a cutter shaft of the slitting machine and rotates along with the cutter shaft, and when the cutter is used for a period of time and is worn greatly, the cutter is required to be replaced. When the cutter is replaced, screws at two ends of the cutter shaft are loosened firstly, one end of the cutter shaft is separated from the splitting machine, and then the cutter on the cutter shaft is manually moved to the separated end, so that the cutter is taken down, and the cutter shaft is heavy and has a falling risk, so that workers or equipment can be damaged. Therefore, the safety of the replacement process of the cutter is poor.

Disclosure of utility model

The application mainly aims to provide a lifting device and a splitting machine so as to solve the problem of poor safety in the replacement process of a cutter.

According to one aspect of the application, there is provided a lifting device comprising:

A frame;

The lifting mechanism comprises a mounting part, a driving part and a lifting part, wherein the driving part is fixed on the rack through the mounting part, the lifting part is connected with the driving part, and the driving part drives the lifting part to move in a lifting manner along a first direction relative to the mounting part;

the lifting frame is fixedly connected with the lifting part, and is provided with a lifting part which is at least used for lifting the cutter shaft of the splitting machine.

Further, the lifting frame comprises:

the connecting part is fixedly connected with the lifting part;

The lifting cross beam is connected to the connecting portion and can rotate along a second direction, the lifting portion is arranged at one end, away from the connecting portion, of the lifting cross beam, and the second direction is perpendicular to the first direction.

Further, the connection part includes:

The first connecting plate is fixedly connected with the lifting part at one side, and a supporting groove is formed in the other side of the first connecting plate in a penetrating manner along the second direction;

And one end of the lifting cross beam, which is far away from the lifting part, is rotatably connected in the supporting groove through the rotating connecting assembly.

Further, the first connecting plate is further provided with a long groove penetrating the supporting groove, and the length direction of the long groove is perpendicular to the first direction and the second direction, wherein the rotating connecting assembly comprises:

One end of the connecting shaft penetrates through the long strip groove to the supporting groove and is fixedly connected with the lifting cross beam;

And the fastener is detachably connected to the other end of the connecting shaft.

Further, the lifting part includes:

The cutter shaft is characterized by comprising a supporting plate, wherein a limiting groove is formed in the supporting plate and is matched with the cutter shaft.

Further, the lifting part further includes:

The flexible scraping prevention plate is arranged on the groove wall of the limit groove.

Further, the driving section includes:

The motor is fixed on the frame through the mounting part and comprises an output shaft;

a worm wheel provided to the output shaft;

The worm is fixedly connected with the lifting part and comprises a spiral section, the spiral section is meshed with the worm wheel, and the worm wheel drives the lifting part connected with the worm to move up and down along the first direction under the driving of the output shaft.

Further, the lifting part includes:

one end of the second connecting plate is fixedly connected with the worm, and the other end of the second connecting plate is fixedly connected with the lifting frame;

The sliding rail assembly comprises a linear sliding rail and a sliding block which is in sliding connection with the linear sliding rail, the linear sliding rail is fixedly connected with the mounting part, the length direction of the linear sliding rail is parallel to the first direction, and the sliding block is fixedly connected with the second connecting plate.

Further, the mounting portion is provided with a limiting hole along the first direction in a penetrating manner, and the worm is mounted in the limiting hole and can move along the first direction.

According to another aspect of the application, there is also provided a slitting machine provided with the lifting device.

Compared with the prior art, the technical scheme of the application has at least the following technical effects:

according to the lifting device provided by the application, the cutter shaft of the splitting machine can be lifted, when the cutter is required to be replaced, the lifting part of the lifting device is arranged below the cutter shaft, the lifting part is driven by the driving part to move to a position capable of lifting and supporting the cutter shaft, and then the cutter shaft is separated from the splitting machine, so that the cutter shaft is lifted to the lifting part, and the cutter on the cutter shaft is replaced under the condition that the cutter shaft does not fall off, so that the safety is good.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

fig. 1 is a schematic structural diagram of a lifting device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;

Fig. 3 is a schematic structural diagram of a rack according to an embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

10. A frame; 11. a fixed block; 111. a first fixing plate; 112. a second fixing plate; 113. a locking groove; 12. a locking block; 13. a locking assembly; 20. a lifting mechanism; 21. a mounting part; 211. a limiting hole; 212. a first mounting block; 213. a limiting block; 214. a second mounting block; 22. a driving section; 221. a motor; 222. a worm wheel; 223. a worm; 23. a lifting part; 231. a second connecting plate; 232. a linear slide rail; 233. a slide block; 30. a lifting frame; 31. a lifting part; 311. a support plate; 312. a limit groove; 313. a flexible anti-scratch board; 32. a connection part; 321. a first connection plate; 322. a support groove; 323. rotating the connecting assembly; 3231. a connecting shaft; 3232. a fastener; 324. a long strip groove; 33. lifting the cross beam; 40. a cutter shaft; 41. a cutter; 50. and fixing the cross beam.

Detailed Description

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Since the cutter shaft 40 on which the cutter 41 is mounted is heavy and there is a risk of falling, which may cause damage to workers or equipment during the process of replacing the cutter 41 on the cutter, in order to prevent the cutter shaft 40 from falling to improve the safety of the process of the higher cutter 41, the first embodiment of the present utility model provides a lifting device, as shown in fig. 1, which includes a frame 10, a lifting mechanism 20, and a lifting frame 30. The lifting mechanism 20 includes a mounting portion 21, a driving portion 22, and a lifting portion 23. The driving unit 22 is fixed to the frame 10 by the mounting unit 21, and the lifting unit 23 is connected to the driving unit 22, and the driving unit 22 drives the lifting unit 23 to move up and down relative to the mounting unit 21 in a first direction (a direction indicated by an arrow a shown in fig. 1). The lifting frame 30 is fixedly connected with the lifting part 23, the lifting frame 30 is provided with a lifting part 31, and the lifting part 31 is at least used for lifting the cutter shaft 40 of the splitting machine.

As can be seen from the above, the lifting device provided by the embodiment of the utility model can lift the cutter shaft 40 of the splitting machine, when the cutter 41 needs to be replaced, the lifting part 31 of the lifting device is placed below the cutter shaft 40, the lifting part 23 is driven by the driving part 22 to move the lifting part 31 to a position capable of lifting and supporting the cutter shaft 40, and then the cutter shaft 40 is separated from the splitting machine, so that the cutter shaft 40 is lifted to the lifting part 31, and the cutter 41 on the cutter shaft 40 is replaced under the condition that the cutter shaft 40 has no dropping risk, so that the safety is good.

As shown in fig. 2, the lifting portion 31 provided in the embodiment of the present utility model includes a supporting plate 311, a limiting groove 312 is disposed on the supporting plate 311, the limiting groove 312 is adapted to the arbor 40, specifically, the limiting groove 312 is an arc-shaped groove adapted to the outer surface of the arbor 40, and when the arbor 40 is lifted by the supporting plate 311, the arc-shaped groove wall of the limiting groove 312 is attached to the circumferential surface of one side of the arbor 40, so as to play a role in supporting the arbor 40. The lifting portion 31 further includes a flexible scraping prevention plate 313, and the flexible scraping prevention plate 313 is disposed on a groove wall of the limiting groove 312, so that when the cutter shaft 40 is lifted by the supporting plate 311, the supporting plate 313 is attached to a circumferential surface of one side of the cutter shaft 40, so that the cutter shaft 40 is supported, and friction force generated between the cutter shaft 40 and the limiting groove 312 is prevented from scratching the cutter shaft 40 and/or the limiting groove 312.

As shown in fig. 2, the lifting frame 30 provided in the embodiment of the present utility model includes a connection portion 32 and a lifting beam 33. The connecting portion 32 is fixedly connected to the lifting portion 23. The lifting beam 33 is connected to the connecting portion 32 and rotatable in the second direction, and the lifting portion 31 is disposed at an end of the lifting beam 33 away from the connecting portion 32. The second direction is a direction perpendicular to the first direction, that is, the second direction is a direction indicated by an arrow B shown in fig. 1. Because the lifting cross beam 33 can rotate along the second direction, before the cutter shaft 40 is lifted, the lifting cross beam 33 can be adjusted to rotate along the second direction to adjust the lifting part 31 to the lower part of the cutter shaft 40, and then the lifting part 31 is moved to a position capable of lifting and supporting the cutter shaft 40 by the lifting mechanism 20, so that the cutter shaft 40 can be lifted, and the cutter shaft 40 is prevented from falling to generate potential safety hazards. After the cutter 41 on the cutter shaft 40 is replaced and the cutter shaft 40 is fixed on the cutter, the lifting mechanism 20 moves the lifting part 31 to a position far away from the cutter shaft 40, and then the lifting cross beam 33 is rotated in the second direction to adjust the lifting part 31 to a position avoiding the cutter shaft 40. The cutter 41 is switched without the need of a worker to hold the cutter shaft 40, so that time and labor are saved, and the cutter 41 is replaced conveniently, quickly and safely.

As shown in fig. 2 and 3, the connecting portion 32 includes a first connecting plate 321 and a rotating connecting assembly 323, one side of the first connecting plate 321 is fixedly connected with the lifting portion 23, and a supporting groove 322 is disposed on the other side of the first connecting plate 321 along a second direction. The end of the lifting beam 33 remote from the lifting portion 31 is rotatably connected to the support groove 322 by a rotation connection assembly 323. Since the support groove 322 provided on the first connecting plate 321 is penetrating in the second direction, it is possible to ensure that the lifting beam 33 freely rotates in the second direction to below the cutter shaft 40 without being obstructed, and to a position avoiding the cutter shaft 40.

As shown in fig. 2, the first connecting plate 321 in the embodiment of the present utility model is provided with a long slot 324 penetrating the supporting slot 322, and the length direction of the long slot 324 is perpendicular to the first direction and the second direction. The rotating connection assembly 323 includes a connection shaft 3231 and a fastener 3232, wherein one end of the connection shaft 3231 extends from the elongated slot 324 to the supporting slot 322 and is fixedly connected with the lifting beam 33. The fastener 3232 is detachably connected to the other end of the connection shaft 3231. The fastener 3232 includes a nut rotatably coupled to an end of the connecting shaft 3231 remote from the lifting beam 33, and when the lifting beam 33 is rotated to adjust the lifting portion 31 to the cutter shaft 40, the lifting beam 33 is pulled to move along the length direction of the elongated groove 324, thereby more precisely adjusting the position between the cutter shaft 40 and the lifting portion 31. After the lifting portion 31 is adjusted to a proper position, nuts are screwed to fix the lifting beam 33 in the support groove 322.

As shown in fig. 2, the driving part 22 provided by the embodiment of the present utility model includes a motor 221, a worm wheel 222, and a worm 223. Wherein the motor 221 is fixed to the frame 10 by the mounting portion 21, and the motor 221 includes an output shaft. The worm gear 222 is provided on the output shaft. The worm 223 is fixedly connected with the lifting part 23, the worm 223 comprises a spiral section, the spiral section is meshed with the worm wheel 222, and the worm wheel 222 drives the lifting part 23 connected with the worm 223 to move up and down along the first direction under the drive of the output shaft. Wherein, the lifting part 23 includes a second connection plate 231 and a sliding rail assembly. One end of the second connecting plate 231 is fixedly connected with the worm 223, and the other end of the second connecting plate 231 is fixedly connected with the lifting frame 30. The sliding rail assembly comprises a linear sliding rail 232 and a sliding block 233 which is slidably connected with the linear sliding rail 232, the linear sliding rail 232 is fixedly connected with the mounting portion 21, the length direction of the linear sliding rail 232 is parallel to the first direction, and the sliding block 233 is fixedly connected with the second connecting plate 231. The sliding rail component not only can ensure that the second connecting plate 231 can do linear lifting movement under the drive of the worm 223, but also can provide certain bearing capacity for the second connecting plate 231, and ensure the stability and reliability of the second connecting plate 231 in the movement process.

The mounting portion 21 in the embodiment of the utility model is provided with the limiting hole 211 in a penetrating manner along the first direction, and the worm 223 is mounted in the limiting hole 211 and can move along the first direction, so that the lifting movement of the worm 223 along the first direction is better ensured.

The frame 10 in the embodiment of the present utility model may be a stand alone support for supporting the lifting mechanism 20 and the lifting frame 30, or may be a stand directly disposed on the splitting machine for supporting the lifting mechanism 20 and the lifting frame 30. The slitting machine comprises a cutter shaft 40, a cutter 41 arranged on the cutter shaft 40 and a fixed cross beam 50 for installing a fixed lifting device. In this regard, when the frame 10 is a rack to be mounted on the splitting machine, as shown in fig. 2 and 3, the frame 10 includes a fixing block 11, a locking block 12, and a locking assembly 13, and the fixing block 11 is provided with a locking groove 113, and the locking block 12 is detachably and fixedly connected with the fixing block 11 through the locking assembly 13 and the locking groove 113. And a locking space is reserved between the locking block 12 and the fixed block 11, so that when the locking block 12 is fixedly connected with the fixed block 11 through the locking component 13 and the locking groove 113, the fixed cross beam 50 of the cutting machine is locked in the locking space, and the frame 10 of the lifting device is fixed on the cutting machine. The fixing block 11 includes a first fixing plate 111 and a second fixing plate 112 fixedly connected with the first fixing plate 111 or integrally formed with the first fixing plate 111, the first fixing plate 111 and the second fixing plate 112 form an L-shaped plate structure attached to one side of the fixing beam 50, and the locking block 12 is also of an L-shaped plate structure. The first fixing plate 111 and the second fixing plate 112 are respectively provided with a locking groove 113, and one end of the locking groove 113 is an opening structure for conveniently disassembling the locking assembly 13. The locking assembly 13 may include a stud and a nut having a diameter greater than a groove width of the locking groove 113. One end of each stud is fixedly connected with the locking block 12, the other end of each stud penetrates through the locking groove 113 and is screwed with the nut, and after the matching positions among the locking block 12, the fixed block 11 and the fixed beam 50 are adjusted, the whole lifting device is fixed on the fixed beam 50 by screwing the nut on the stud.

Specifically, the mounting portion 21 includes a first mounting block 212, a stopper 213, and a second mounting block 214. The first mounting block 212 is fixed on the first fixing plate 111, and the second mounting block 214 is perpendicular to the first mounting block 212 and fixedly connected with the first mounting block 212. The second mounting block 214 is of a long plate structure, the length direction of the second mounting block is parallel to the second direction, and the linear sliding rail 232 of the lifting mechanism 20 is fixed on the second mounting block 214. The motor 221 of the lifting mechanism 20 is fixedly mounted on the first mounting block 212, the limiting block 213 is fixedly connected to one end, close to the first mounting block 212, of the second mounting block 214, and the limiting hole 211 is formed in the limiting block 213. The worm 223 is movably inserted into the limit hole 211 and then fixedly connected with the second connecting plate 231. Therefore, when the whole lifting device is installed on the fixed beam 50 of the cutting machine by using the frame 10 and the cutting knife 41 needs to be replaced, the position of the lifting beam 33 is moved along the length direction of the long strip groove 324 and/or the position of the lifting beam 33 is rotated along the second direction to enable the limit groove 312 of the supporting plate 311 to be positioned below the cutter shaft 40, the worm wheel 222 is driven by the motor 221 to drive the worm 223 to move up and down along the first direction, and the second connecting plate 231 of the lifting part 23 is driven by the worm 223 to move up and down along the first direction on the linear sliding rail 232 until the limit groove 312 on the supporting plate 311 effectively supports the cutter shaft 40. After the limiting groove 312 effectively supports the cutter shaft 40, the motor 221 is controlled to stop rotating, bolts on two ends of the cutter shaft 40 on the cutting machine are loosened, the cutter shaft 40 is loosened and lifted on the limiting groove 312, and the cutter 41 on the cutter shaft 40 is convenient for a worker to replace.

The second embodiment of the utility model also provides a splitting machine provided with the lifting device provided by the first embodiment of the utility model.

Specifically, as shown in fig. 1, the splitting machine includes a cutter shaft 40, a cutter 41 disposed on the cutter shaft 40, and a fixed cross beam 50 for mounting a fixed lifting device, wherein the lifting device can lift the cutter shaft 40 when the cutter 41 is replaced, so as to facilitate the removal of the cutter 41 on the cutter shaft 40, and the lifting device includes a frame 10, a lifting mechanism 20, and a lifting frame 30. Wherein, the frame 10 is used for fixing the lifting device on the fixed beam 50 of the dividing machine, the lifting mechanism 20 comprises a mounting part 21, a driving part 22 and a lifting part 23, the driving part 22 is fixed on the frame 10 through the mounting part 21, the lifting part 23 is connected with the driving part 22, and the driving part 22 drives the lifting part 23 to move up and down relative to the mounting part 21 along a first direction. The lifting frame 30 is fixedly connected with the lifting part 23, the lifting part 31 is arranged on the lifting frame 30, the lifting part 31 is used for lifting the cutter shaft 40, and potential safety hazards caused by falling of the cutter shaft 40 when the cutter 41 is replaced are avoided.

As shown in fig. 2 to 3, the fixed end includes a fixed block 11 and a locking block 12, and the fixed block 11 is attached to the fixed beam 50. The fixed block 11 is provided with a locking groove 113, the locking block 12 is provided with a locking component 13, the locking block 12 is arranged on one side of the frame 10 far away from the fixed block 11, and a stud of the locking component 13 is in sliding insertion connection in the locking groove 113. After the locking block 12 is attached to the fixed cross beam 50, the locking block is locked with the fixed block 11 and the fixed cross beam 50 through nuts. The fixed block 11 is provided with a first mounting block 212 of the mounting portion 21, and the mounting portion 21 further includes a stopper 213 and a second mounting block 214. The first mounting block 212 and the fixing block 11 are fixedly connected by bolts, the lifting mechanism 20 is arranged on the first mounting block 212, and the lifting part 23 of the lifting mechanism 20 is fixedly connected with the second mounting block 214. The lifting frame 30 is installed on the lifting mechanism 20, the lifting frame 30 comprises a lifting beam 33 and a first connecting plate 321, the first connecting plate 321 is fixedly installed on the lifting mechanism 20, one end of the lifting beam 33 is rotatably arranged in a supporting groove 322 on the first connecting plate 321, the other end of the lifting beam 33 is provided with a supporting plate 311, and the supporting plate 311 is provided with a limiting groove 312. The supporting plate 311 is attached to the lower circumferential surface of the cutter shaft 40 by a limiting groove 312 arranged on the supporting plate when the cutter shaft 40 is lifted, so that the supporting and lifting effects on the cutter shaft 40 are achieved.

The elevating mechanism 20 includes a motor 221, a worm wheel 222, a worm 223, a linear slide assembly, and a second connection plate 231. The motor 221 is fixedly mounted on the first mounting block 212, and the linear rail 232 in the linear rail assembly is fixedly connected with the second mounting block 214. The linear sliding rail 232 is provided with a sliding block 233, and one side of the second connecting plate 231 is fixedly connected with the sliding block 233. The worm gear 222 is provided on the output shaft of the motor 221. One end of the worm 223 is fixedly connected with the second connecting plate 231, the worm 223 comprises a spiral section, the spiral section is meshed with the worm wheel 222, and the worm wheel 222 drives the second connecting plate 231 connected with the worm 223 to move up and down along the first direction under the drive of the output shaft, so that the lifting frame 30 is driven to move up and down to lift the cutter shaft 40. Second, still be provided with stopper 213 on the second installation piece 214, stopper 213 has spacing hole 211, and worm 223 activity grafting is in spacing hole 211 and can follow the first direction motion, is convenient for worm 223 to do the lift and remove along the first direction.

The first connecting plate 321 is of an n-shaped plate structure, and is provided with a supporting groove 322 and a long groove 324, one end of the lifting beam 33 is rotatably arranged in the supporting groove 322, a connecting shaft 3231 is rotatably connected to the lifting beam 33, the connecting shaft 3231 penetrates through the long groove 324, a nut is rotatably connected to the upper end of the connecting shaft 3231, the diameter of the nut is larger than the width of the long groove 324, and the connecting shaft 3231 and the nut are matched to fix the lifting beam 33 after rotating to a lifting angle. The elongated slot 324 can also provide fine adjustment of the position between the arbor 40 and the limiting slot 312. The flexible scraping prevention plate 313 made of flexible materials is further arranged in the limiting groove 312, and the flexible scraping prevention plate 313 is arranged on the groove wall of the limiting groove 312 so as to prevent friction force generated between the cutter shaft 40 and the limiting groove 312 from scratching the cutter shaft 40 and/or the limiting groove 312 while supporting the cutter shaft 40.

Therefore, when the whole lifting device is installed on the fixed beam 50 of the cutting machine by using the frame 10 and the cutter 41 needs to be replaced, firstly, the position of the lifting beam 33 is moved along the length direction of the long strip groove 324 and/or the position of the lifting beam 33 is rotated along the second direction to enable the limit groove 312 of the supporting plate 311 to be positioned below the cutter shaft 40, then the worm wheel 222 is driven by the motor 221 to drive the worm 223 to move up and down along the first direction, and further the second connecting plate 231 of the lifting part 23 is driven by the worm 223 to move up and down along the first direction on the linear sliding rail 232 until the supporting plate 311 effectively supports the cutter shaft 40, the motor 221 stops rotating, and bolts at two ends of the cutter shaft 40 on the cutting machine are loosened, so that the cutter shaft 40 is loosened and lifted on the limit groove 312, and the cutter 41 on the cutter shaft 40 is convenient for a worker to replace.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A lifting device, comprising:

a frame (10);

The lifting mechanism (20), the lifting mechanism (20) comprises a mounting part (21), a driving part (22) and a lifting part (23), the driving part (22) is fixed on the frame (10) through the mounting part (21), the lifting part (23) is connected with the driving part (22), and the driving part (22) drives the lifting part (23) to move up and down along a first direction relative to the mounting part (21);

The lifting frame (30), lifting frame (30) with elevating part (23) fixed connection, be provided with on lifting frame (30) and lift portion (31), lift portion (31) are used for lifting arbor (40) of cutting machine at least.

2. The lifting device according to claim 1, characterized in that the lifting frame (30) comprises:

a connecting part (32), wherein the connecting part (32) is fixedly connected with the lifting part (23);

The lifting beam (33), the lifting beam (33) is connected to the connecting portion (32) and can rotate along a second direction, and the lifting portion (31) is arranged at one end of the lifting beam (33) away from the connecting portion (32), wherein the second direction is perpendicular to the first direction.

3. Lifting device according to claim 2, characterized in that the connection (32) comprises:

The first connecting plate (321), one side of the first connecting plate (321) is fixedly connected with the lifting part (23), and a supporting groove (322) is formed in the other side of the first connecting plate (321) in a penetrating manner along the second direction;

And one end of the lifting cross beam (33) away from the lifting part (31) is rotatably connected in the supporting groove (322) through the rotating connecting assembly (323).

4. A lifting device according to claim 3, wherein the first connection plate (321) is further provided with an elongated slot (324) through the support slot (322), the length direction of the elongated slot (324) being perpendicular to the first and second directions, wherein the rotational connection assembly (323) comprises:

A connecting shaft (3231), wherein one end of the connecting shaft (3231) penetrates from the long groove (324) to the supporting groove (322) and is fixedly connected with the lifting beam (33);

-a fastener (3232), said fastener (3232) being detachably connected to the other end of said connecting shaft (3231).

5. A lifting device according to any one of claims 1 to 4, wherein the lifting portion (31) comprises:

The cutter shaft cutter comprises a supporting plate (311), wherein a limiting groove (312) is formed in the supporting plate (311), and the limiting groove (312) is matched with the cutter shaft (40).

6. The lifting device according to claim 5, wherein the lifting portion (31) further comprises:

And the flexible scraping prevention plate (313) is arranged on the groove wall of the limit groove (312).

7. Lifting device according to any one of claims 1 to 4, characterized in that the drive section (22) comprises:

A motor (221), the motor (221) being fixed to the frame (10) by the mounting portion (21), the motor (221) including an output shaft;

A worm wheel (222), the worm wheel (222) being provided to the output shaft;

The worm (223), worm (223) with elevating part (23) fixed connection, worm (223) include the spiral section, the spiral section with worm wheel (222) meshing, worm wheel (222) drive with the drive of output shaft elevating part (23) that worm (223) are connected follow the elevating movement of first direction.

8. Lifting device according to claim 7, characterized in that the lifting part (23) comprises:

One end of the second connecting plate (231) is fixedly connected with the worm (223), and the other end of the second connecting plate (231) is fixedly connected with the lifting frame (30);

The sliding rail assembly comprises a linear sliding rail (232) and a sliding block (233) which is in sliding connection with the linear sliding rail (232), the linear sliding rail (232) is fixedly connected with the mounting part (21), the length direction of the linear sliding rail (232) is parallel to the first direction, and the sliding block (233) is fixedly connected with the second connecting plate (231).

9. A lifting device according to claim 7, characterized in that the mounting portion (21) is provided with a limiting hole (211) extending therethrough in the first direction, the worm (223) being mounted in the limiting hole (211) and being movable in the first direction.

10. A slitting machine provided with a lifting device according to any one of claims 1 to 9.