CN220611825U - Bending device for air conditioning unit pipeline of cigarette factory - Google Patents

Abstract

The utility model discloses a bending device for a pipeline of an air conditioning unit of a cigarette factory, which comprises: the top end of the supporting box is provided with a groove; the limiting plate is arranged at the top end of the supporting box; a clamping assembly for clamping a second end of the pipe; the bending assembly comprises a fixing plate, a hydraulic rod and a connecting block, wherein the fixing plate is arranged at the top end of the supporting box, the first end of the hydraulic rod is connected with the fixing plate, the second end of the hydraulic rod is connected with the connecting block, the inner side wall of the connecting block is connected with the peripheral wall of the pipeline, and the connecting block is positioned at a preset bending position of the pipeline; the driving component is arranged in the groove and is connected with the fixing plate. According to the utility model, the fixing plate is driven to move through the driving assembly, so that the hydraulic rod and the connecting block are driven to move, the connecting block is driven to move to the preset bending position of the pipeline, the hydraulic rod is further started, the connecting block is driven to drive the pipeline to move, so that the bending work of the pipeline is completed, the working intensity of operators is reduced, and the bending efficiency of the pipeline is improved.

Description

Bending device for air conditioning unit pipeline of cigarette factory

Technical Field

The utility model relates to the technical field of air conditioning unit pipeline processing, in particular to a bending device for an air conditioning unit pipeline of a cigarette factory.

Background

At present, all the part assemblies of the air conditioning unit of the cigarette factory are generally arranged at all parts of the factory in a scattered way, the air conditioning unit pipeline is just like a human body blood vessel and is responsible for connecting the scattered parts, so that a complete air conditioning unit system works orderly, various devices need to be bypassed and connected together because the air conditioning pipeline is distributed at different parts, and various different bending degrees or shapes exist, so that a long pipe needs to be bent for many times.

Most of the existing bending devices adopt manual bending, so that a great deal of physical strength of workers is consumed, and a plurality of people are required to operate at the same time; in addition, the pipeline needs to be bent for many times, so that the processing time is long, and the pipeline processing efficiency is reduced.

Therefore, how to provide a bending device for the air conditioning unit pipeline of the cigarette factory becomes a technical problem to be solved in the field.

Disclosure of Invention

The utility model aims to provide a novel technical scheme of a bending device for a pipeline of an air conditioning unit of a cigarette factory.

According to a first aspect of the present utility model, there is provided a bending apparatus for a pipe of an air conditioning unit of a cigarette factory, comprising: the top end of the supporting box is provided with a groove;

the limiting plate is arranged at the top end of the supporting box and close to the groove, and is used for fixing the first end of the pipeline;

a clamping assembly for clamping a second end of the pipe;

the bending assembly is used for bending a pipeline and comprises a fixing plate, a hydraulic rod and a connecting block, wherein the fixing plate is arranged at the top end of the supporting box, the first end of the hydraulic rod is connected with the fixing plate, the second end of the hydraulic rod is connected with the connecting block, the inner side wall of the connecting block is connected with the peripheral wall of the pipeline, and the connecting block is positioned at a preset bending position of the pipeline;

the driving assembly is arranged in the groove and connected with the fixing plate, and the driving assembly is used for driving the fixing plate to move.

Optionally, the limiting plate has a limiting portion, and the limiting portion is connected with the first end of the pipe.

Optionally, the bending device for the air conditioning unit pipeline of the cigarette factory further comprises scale marks, wherein the scale marks are arranged at the top of the supporting box and correspond to the grooves.

Optionally, the bending device for the air conditioning unit pipeline of the cigarette factory further comprises a telescopic sleeve, the telescopic sleeve is sleeved at the top of the groove, the driving assembly penetrates through the telescopic sleeve, and the driving assembly is connected with the telescopic sleeve.

Optionally, the bending device for the air conditioning unit pipeline of the cigarette factory further comprises a protective cover, wherein the protective cover is arranged at the top of the supporting box, and the limiting plate, the clamping assembly, the bending assembly and the driving assembly are all arranged in the protective cover.

Optionally, the bending device for the air conditioning unit pipeline of the cigarette factory further comprises a damping rotating shaft and a connecting shaft, the damping rotating shaft is sleeved outside the connecting shaft, the damping rotating shaft is fixed at the top of the supporting box, and the side wall of the damping rotating shaft is connected with the protective cover.

Optionally, the driving assembly includes a driving motor, the driving motor is located in the groove, and an output shaft of the driving motor is connected with the fixing plate.

Optionally, the clamping assembly includes fixed grip slipper, activity grip slipper, dead lever and elevating system, fixed grip slipper is fixed on the supporting box, the first end of dead lever with fixed grip slipper is connected, the second end of dead lever runs through the activity grip slipper, with elevating system is connected, elevating system with the activity grip slipper is connected, elevating system is used for making the activity grip slipper reciprocate, and the pipeline is located fixed grip slipper with between the activity grip slipper.

Optionally, the lifting part includes threaded rod, fixed block and backup pad, the backup pad bottom with the second end of dead lever is connected, the fixed block is located the top of backup pad, the threaded rod runs through the dead lever the backup pad with the fixed block is connected with movable grip slipper, the threaded rod with fixed block threaded connection, and with the dead lever with backup pad sliding connection.

Optionally, the clamping assembly further comprises a connecting sleeve, and the connecting sleeve is arranged between the movable clamping seat and the threaded rod.

The utility model has the beneficial effects that:

according to the utility model, the limiting plate is arranged at the top end of the supporting box and is close to the groove, so that the first end of the pipeline is fixed on the limiting plate, and the clamping assembly clamps the second end of the pipeline; the method comprises the steps that a fixed plate is arranged at the top end of a supporting box, two ends of a hydraulic rod are respectively connected with the fixed plate and a connecting block, the inner side wall of the connecting block is connected with the outer peripheral wall of a pipeline, and the connecting block is positioned at a preset bending position of the pipeline; through the removal of drive assembly drive fixed plate, and then drive hydraulic stem and connecting block and remove, make the connecting block remove to the department of buckling in advance of pipeline, and then make the hydraulic stem start, drive connecting block and drive pipeline and remove to accomplish the work of buckling of pipeline, reduced operating personnel's working strength, improved the efficiency of bending of pipeline, reduced the waste of human cost and time cost.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is an overall view of a bending apparatus for a cigarette factory air conditioning unit pipeline of the present utility model;

FIG. 2 is a block diagram of a bending apparatus for a pipe line of an air conditioning unit of a cigarette factory according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is a block diagram of a bending assembly of the present utility model.

The figures are marked as follows: 1. a supporting box; 11. a groove; 2. a limiting plate; 3. a clamping assembly; 31. fixing the clamping seat; 32. a movable clamping seat; 33. a fixed rod; 34. a lifting part; 341. a threaded rod; 342. a rotating handle; 343. a fixed block; 344. a support plate; 35. connecting sleeves; 4. a bending assembly; 41. a fixing plate; 42. a hydraulic rod; 43. a connecting block; 44. scale marks; 45. a telescopic sleeve; 5. a driving motor; 6. a protective cover; 61. damping the rotating shaft; 62. a connecting shaft; 7. a pipeline.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: 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 utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the 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 exemplary embodiments may have different values.

As shown in fig. 1 to 4, an embodiment of the present utility model provides a bending device for a pipeline of an air conditioning unit in a cigarette factory, which includes a supporting box 1, a limiting plate 2, a clamping assembly 3, a bending assembly 4 and a driving assembly. It should be noted that, the pipeline of the air conditioning unit includes one or more pipes 7, and the one or more pipes 7 need to be bent for several times, so as to bypass various devices and be connected together.

The top of supporting box 1 is provided with recess 11, and the area of recess 11 is greater than the area of drive assembly, and is less than the area of supporting box 1 terminal surface.

The limiting plate 2 is arranged at the top end of the supporting box 1 and is close to the groove 11, and the limiting plate 2 is used for fixing the first end of the pipeline 7; specifically, the limiting plate 2 is provided on one side of the groove 11, and the pipe 7 is located above the groove 11.

The clamping assembly 3 is used for clamping a second end of the pipeline 7; it should be noted that, the clamping component 3 may also be clamped at the preset bending position near the pipeline 7, so that the limiting plate 2 and the clamping component 3 fix two ends of the preset bending position of the pipeline 7 respectively, thereby ensuring the stability of the bending component 4 when the preset bending position of the pipeline 7 is subjected to bending treatment. The clamping assembly 3 can extrude the pipeline 7 for two clamping blocks, so that the pipeline 7 is fixed; or a clamping block, and is matched with the supporting box 1 to extrude the pipeline 7, so as to fix the pipeline 7; the clamping assembly 3 may also be of other construction, without limitation.

The bending assembly 4 is used to bend the pipe 7. The bending component 4 comprises a fixed plate 41, a hydraulic rod 42 and a connecting block 43, wherein the fixed plate 41 is arranged at the top end of the supporting box 1, the first end of the hydraulic rod 42 is connected with the fixed plate 41, the second end of the hydraulic rod 42 is connected with the connecting block 43, the inner side wall of the connecting block 43 is connected with the outer peripheral wall of the pipeline 7, and the connecting block 43 is positioned at a preset bending position of the pipeline 7; specifically, the fixing plate 41 is located at the top of the groove 11, and the length direction of the hydraulic rod 42 is disposed in parallel with the radial direction of the pipe 7 and in parallel with the end face of the support box 1. The connecting block 43 is provided with a notch which is of an arc-shaped structure and matched with the structure of the peripheral wall of the pipeline 7, so that the connecting block 43 is abutted with the peripheral wall of the pipeline 7 through the notch of the arc-shaped structure, and when the hydraulic rod 42 is started, the connecting block 43 damages the structure of the pipeline 7.

The driving component is arranged in the groove 11 and is connected with the fixed plate 41, and the driving component is used for driving the fixed plate 41 to move.

Specifically, when fixing the pipe 7, a preset bending position on the pipe 7 needs to be set at the upper part of the groove 11. After the pipe 7 is fixed by the limiting plate 2 and the clamping assembly 3, if the abutting position of the connecting block 43 and the pipe 7 is not the preset bending position, the fixing plate 41 is moved to drive the hydraulic rod 42 and the connecting block 43 to move by moving the fixing plate 41, so that the connecting block 43 moves to the preset bending position of the pipe 7, and then the hydraulic rod 42 is started, and the hydraulic rod 42 drives the connecting block 43 to move and drives the pipe 7 to move, so that the pipe 7 is subjected to bending treatment.

According to the utility model, the limiting plate 2 is arranged at the top end of the supporting box 1 and is close to the groove 11, so that the first end of the pipeline 7 is fixed on the limiting plate 2, and the clamping assembly 3 clamps the second end of the pipeline 7; the fixing plate 41 is arranged at the top end of the supporting box 1, two ends of the hydraulic rod 42 are respectively connected with the fixing plate 41 and the connecting block 43, the inner side wall of the connecting block 43 is connected with the outer peripheral wall of the pipeline 7, and the connecting block 43 is positioned at a preset bending position of the pipeline 7; through drive assembly drive fixed plate 41 removal, and then drive hydraulic stem 42 and connecting block 43 removal, make connecting block 43 remove to pipeline 7's the department of buckling of predetermineeing, and then make hydraulic stem 42 start, drive connecting block 43 and drive pipeline 7 and remove to accomplish pipeline 7's work of buckling, reduced operating personnel's working strength, improved the efficiency of bending of pipeline, reduced the waste of human cost and time cost.

In one embodiment of the bending device for the air conditioning unit line of a cigarette factory according to the present utility model, the limiting plate 2 has a limiting portion (not shown in the drawings) connected to the first end of the duct 7.

In this embodiment, the limiting part is an opening and a fastener, the opening is arranged on the limiting plate 2, and the height of the opening from the top end of the supporting plate 344 is the same as the height of the connecting block 43 from the top end of the supporting plate 344, so that the pipeline 7 is ensured to be positioned on a plane, and the problem that the structure of the pipeline 7 is damaged when the pipeline 7 is subjected to bending treatment is avoided. The first end of the pipe 7 is arranged in the opening, and then the pipe 7 is fixed on the opening through the fastener, so that the stability of the limiting plate 2 for fixing the first end of the pipe 7 is ensured.

The structure of the stopper may be the structure of the clamping unit 3 in the present utility model, or may be other structures, and is not limited herein.

In one embodiment of the bending device for the air conditioning unit pipeline of the cigarette factory according to the present utility model, as shown in fig. 2, the bending device for the air conditioning unit pipeline of the cigarette factory further includes scale marks 44, and the scale marks 44 are disposed on the top of the supporting box 1 and are disposed corresponding to the grooves 11.

It should be noted that, before the pipe 7 is subjected to the bending process, the pipe 7 needs to be measured to determine the preset bending position. In the prior art, a manually operated tape is adopted to measure the preset bending position, however, as the pipeline 7 needs to be bent for many times, the preset bending position to be measured is more, the measurement time is longer, and the processing efficiency of the pipeline 7 is reduced. In this embodiment, the graduation lines 44 are arranged on the top of the supporting plate 344, so that the graduation lines 44 are located at the groove 11, and an operator can directly fix the pipeline 7 through the limiting plate 2 and the clamping assembly 3 when bending the pipeline 7, and the graduation lines 44 at the groove 11 facilitate the determination of the preset bending position, shorten the measurement time and improve the processing efficiency of the pipeline 7.

In one embodiment of the bending device for the air conditioning unit pipeline of the cigarette factory, as shown in fig. 2, the bending device for the air conditioning unit pipeline of the cigarette factory further comprises a telescopic sleeve 45, the telescopic sleeve 45 is sleeved on the top of the groove 11, the driving component penetrates through the telescopic sleeve 45, and the driving component is connected with the telescopic sleeve 45.

Specifically, the telescopic sleeve 45 has elasticity, and the telescopic sleeve 45 covers the top of the groove 11. When the driving assembly drives the fixing plate 41 to move, the telescopic sleeve 45 is pressed or stretched by the driving assembly due to elasticity.

According to the utility model, the telescopic sleeve 45 is sleeved on the top of the groove 11, the driving assembly penetrates through the telescopic sleeve 45, and the driving assembly is connected with the telescopic sleeve 45, so that the groove 11 is subjected to dust prevention treatment through the telescopic sleeve 45, and the influence on the operation of the driving assembly caused by external dust and other impurities entering the groove 11 is avoided.

In one embodiment of the bending device for the air conditioning unit pipeline of the cigarette factory, as shown in fig. 1 to 2, the bending device for the air conditioning unit pipeline of the cigarette factory further comprises a protective cover 6, wherein the protective cover 6 is arranged at the top of the supporting box 1, and the limiting plate 2, the clamping component 3, the bending component 4 and the driving component are all arranged in the protective cover 6.

When the bending device for the air conditioning unit pipeline of the cigarette factory does not work, the protective cover 6 is in a closed state, and the limiting plate 2, the clamping assembly 3, the bending assembly 4 and the driving assembly are all arranged in the protective cover 6; in operation, the hood 6 is in an open state.

According to the bending device, the limiting plate 2, the clamping assembly 3, the bending assembly 4 and the driving assembly are arranged in the protective cover 6, so that impurities such as dust are prevented from entering the driving assembly, the bending assembly 4 and the clamping assembly 3 when the bending device is not in operation, and the service life of the bending device is prolonged.

Further, the bending device for the air conditioning unit pipeline of the cigarette factory further comprises a damping rotating shaft 61 and a connecting shaft 62, the damping rotating shaft 61 is sleeved outside the connecting shaft 62, the damping rotating shaft 61 is fixed at the top of the supporting box 1, and the side wall of the damping rotating shaft 61 is connected with the protective cover 6. This arrangement makes the opening or closing of the hood 6 more stable and convenient.

In one embodiment of the bending apparatus for a pipe line of an air conditioning unit of a cigarette factory according to the present utility model, as shown in fig. 2, the driving assembly includes a driving motor 5, the driving motor 5 is located in the groove 11, and an output shaft of the driving motor 5 is connected to the fixing plate 41.

According to the utility model, the driving motor 5 is arranged in the groove 11, the output shaft of the driving motor 5 is connected with the fixed plate 41, the fixed plate 41 is driven to move by the driving motor 5, and then the hydraulic rod 42 and the connecting block 43 are driven to move, so that the connecting block 43 moves to the preset bending position of the pipeline 7, the bending assembly 4 can be easily abutted with the preset bending position of the pipeline 7, and the bending device for the air conditioning unit pipeline of the cigarette factory is more flexible and convenient.

In one embodiment of the bending device for the air conditioning unit pipeline of the cigarette factory according to the present utility model, as shown in fig. 2 to 3, the clamping assembly 3 includes a fixed clamping seat 31, a movable clamping seat 32, a fixed rod 33 and a lifting part 34, the fixed clamping seat 31 is fixed on the supporting box 1, a first end of the fixed rod 33 is connected with the fixed clamping seat 31, a second end of the fixed rod 33 penetrates the movable clamping seat 32 and is connected with the lifting part 34, the lifting part 34 is connected with the movable clamping seat 32, and the lifting part 34 is used for moving the movable clamping seat 32 up and down, and the pipeline 7 is located between the fixed clamping seat 31 and the movable clamping seat 32.

In the present embodiment, the fixed clamping seat 31 is fixed on the top end of the supporting case 1, and the fixed clamping seat 31 is located outside the groove 11. The terminal surface of fixed grip slipper 31 cooperatees with the structure of the peripheral wall of pipeline 7, and movable grip slipper 32 also cooperatees with the structure of the peripheral wall of pipeline 7, and pipeline 7 sets up between fixed grip slipper 31 and movable grip slipper 32, and then when can having guaranteed fixed grip slipper 31 and movable grip slipper 32 centre gripping pipeline 7, can not cause the influence to the structure of pipeline 7. The fixed clamping seat 31, the movable clamping seat 32 and the lifting part 34 are vertically arranged and are perpendicular to the end face of the supporting box 1.

The movable clamping seat 32 is provided with a connecting hole (not shown in the figure), and the diameter of the connecting hole is larger than that of the fixed rod 33, so that the movable clamping seat 32 is convenient to move, and the problem that friction force is generated due to contact between the movable clamping seat 32 and the fixed rod 33, so that the resistance of the movable clamping seat 32 is increased during movement is avoided.

According to the utility model, the first end of the fixed rod 33 is connected with the fixed clamping seat 31, the second end of the fixed rod 33 penetrates through the movable clamping seat 32 and is connected with the lifting part 34, the lifting part 34 is connected with the movable clamping seat 32, and the lifting part 34 controls the movable clamping seat 32 to move up and down so as to control the fixed clamping seat 31 and the movable clamping seat 32 to clamp the pipeline 7, so that the stability of the fixed clamping seat 31 and the movable clamping seat 32 for fixing the pipeline 7 is ensured, and the problem of reduced bending efficiency of the pipeline due to unstable fixing of the pipeline 7 when the pipeline 7 is bent is avoided.

In one embodiment of the bending device for the air conditioning unit pipeline of the cigarette factory according to the present utility model, as shown in fig. 2 to 3, the lifting part 34 includes a threaded rod 341, a fixing block 343 and a supporting plate 344, the bottom of the supporting plate 344 is connected to the second end of the fixing rod 33, the fixing block 343 is located at the top of the supporting plate 344, the threaded rod 341 penetrates the fixing rod 33, the supporting plate 344 and the fixing block 343 to be connected to the movable clamping seat 32, and the threaded rod 341 is in threaded connection with the fixing block 343 and is slidably connected to the fixing rod 33 and the supporting plate 344.

In the present embodiment, the fixing block 343 is provided with a mounting hole (not shown), and the mounting hole is internally provided with female screw threads. The supporting plate 344 is provided with a limiting groove (not shown in the figure), the fixing block 343 is arranged in the limiting groove, and the fixing block 343 is fixedly arranged in the limiting groove.

When the movable clamping seat 32 is used, the movable clamping seat 32 is driven to move downwards or upwards by rotating the threaded rod 341, and the threaded rod 341 is in threaded connection with the fixed block 343 and the fixed block 343 is arranged in the limiting groove, so that the movable clamping seat 32 moves towards the fixed clamping seat 31 or moves away from the fixed clamping seat 31, and the pipeline 7 is clamped or loosened.

According to the utility model, the bottom of the supporting plate 344 is connected with the second end of the fixed rod 33, the fixed block 343 is positioned at the top of the supporting plate 344, the threaded rod 341 penetrates through the fixed rod 33, the supporting plate 344 and the fixed block 343 to be connected with the movable clamping seat 32, and the threaded rod 341 is in threaded connection with the fixed block 343, so that the threaded rod 341 moves downwards or upwards to drive the movable clamping seat 32 to clamp the pipeline 7 or loosen the pipeline 7, the use flexibility of the clamping assembly 3 is improved, and the stability of the clamping assembly 3 is also improved.

Further, the top end of the threaded rod 341 is provided with a rotating handle 342, and an operator can rotate the threaded rod 341 by rotating the rotating handle 342, so that the flexibility and convenience of using the clamping assembly 3 are further improved.

In one embodiment of the bending device for the air conditioning unit pipeline of the cigarette factory, the clamping assembly 3 further comprises a connecting sleeve 35, and the connecting sleeve 35 is arranged between the movable clamping seat 32 and the threaded rod 341. Specifically, the bottom of the connecting sleeve 35 is connected with the movable clamping seat 32, the top end of the connecting sleeve 35 is connected with the threaded rod 341, and the top end of the connecting sleeve 35 is rotatably connected with the threaded rod 341.

According to the utility model, the connecting sleeve 35 is arranged between the movable clamping seat 32 and the threaded rod 341, so that the top end of the connecting sleeve 35 is rotationally connected with the threaded rod 341, and the stability of the connection between the lifting part 34 and the movable clamping seat 32 is further ensured.

The operation flow of the bending device for the air conditioning unit pipeline of the cigarette factory is as follows: firstly, an operator opens the protective cover 6 through the damping rotating shaft 61 and the connecting shaft 62; then fixing the first end of the pipeline 7 on the limiting plate 2; then, the driving motor 5 is started, and the fixing plate 41 is moved to the preset bending position of the pipeline 7 by contrasting the scale marks 44.

Then, by rotating the threaded rod 341, since the threaded rod 341 is in threaded connection with the fixed block 343, and the fixed block 343 is disposed in the limiting groove, the threaded rod 341 is moved downward, and the movable clamping seat 32 is further driven to move downward, so that the movable clamping seat 32 moves toward the fixed clamping seat 31, thereby clamping the pipeline 7.

Then, the hydraulic rod 42 is actuated to drive the connection block 43 and move the pipe 7, thereby bending the pipe 7. Then, the threaded rod 341 is rotated, the threaded rod 341 moves upwards, and then the movable clamping seat 32 is driven to move upwards, so that the movable clamping seat 32 moves away from the fixed clamping seat 31, the pipeline 7 is loosened, an operator moves the pipeline 7, and then the bending treatment is performed on the next preset bending position.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (10)

1. A device of buckling for cigarette factory air conditioning unit pipeline, characterized by comprising: the top end of the supporting box is provided with a groove;

the limiting plate is arranged at the top end of the supporting box and close to the groove, and is used for fixing the first end of the pipeline;

a clamping assembly for clamping a second end of the pipe;

the bending assembly is used for bending a pipeline and comprises a fixing plate, a hydraulic rod and a connecting block, wherein the fixing plate is arranged at the top end of the supporting box, the first end of the hydraulic rod is connected with the fixing plate, the second end of the hydraulic rod is connected with the connecting block, the inner side wall of the connecting block is connected with the peripheral wall of the pipeline, and the connecting block is positioned at a preset bending position of the pipeline;

the driving assembly is arranged in the groove and connected with the fixing plate, and the driving assembly is used for driving the fixing plate to move.

2. The bending apparatus for a pipe line of an air conditioning unit of a cigarette mill according to claim 1, wherein the limiting plate has a limiting portion, and the limiting portion is connected to a first end of the pipe line.

3. The bending device for the air conditioning unit pipeline of the cigarette factory according to claim 1, further comprising scale marks, wherein the scale marks are arranged on the top of the supporting box and correspond to the grooves.

4. The bending device for the air conditioning unit pipeline of the cigarette factory according to claim 1, further comprising a telescopic sleeve, wherein the telescopic sleeve is sleeved at the top of the groove, the driving assembly penetrates through the telescopic sleeve, and the driving assembly is connected with the telescopic sleeve.

5. The bending device for the air conditioning unit pipeline of the cigarette factory according to claim 1, further comprising a protective cover, wherein the protective cover is arranged at the top of the supporting box, and the limiting plate, the clamping assembly, the bending assembly and the driving assembly are all arranged in the protective cover.

6. The bending device for the air conditioning unit pipeline of the cigarette factory according to claim 5, further comprising a damping rotating shaft and a connecting shaft, wherein the damping rotating shaft is sleeved outside the connecting shaft, the damping rotating shaft is fixed at the top of the supporting box, and the side wall of the damping rotating shaft is connected with the protective cover.

7. The bending device for a pipeline of an air conditioning unit of a cigarette mill according to claim 1, wherein the driving assembly comprises a driving motor, the driving motor is located in the groove, and an output shaft of the driving motor is connected with the fixing plate.

8. The bending device for a pipeline of an air conditioning unit of a cigarette factory according to any one of claims 1 to 7, wherein the clamping assembly comprises a fixed clamping seat, a movable clamping seat, a fixed rod and a lifting part, the fixed clamping seat is fixed on the supporting box, a first end of the fixed rod is connected with the fixed clamping seat, a second end of the fixed rod penetrates through the movable clamping seat and is connected with the lifting part, the lifting part is connected with the movable clamping seat, and the lifting part is used for enabling the movable clamping seat to move up and down, and a pipeline is located between the fixed clamping seat and the movable clamping seat.

9. The bending device for a pipeline of an air conditioning unit of a cigarette factory according to claim 8, wherein the lifting portion comprises a threaded rod, a fixed block and a supporting plate, the bottom of the supporting plate is connected with the second end of the fixed rod, the fixed block is located at the top of the supporting plate, the threaded rod penetrates through the fixed rod, the supporting plate and the fixed block to be connected with a movable clamping seat, and the threaded rod is in threaded connection with the fixed block and is in sliding connection with the fixed rod and the supporting plate.

10. The bending apparatus for a cigarette mill air conditioning unit line of claim 9 wherein the clamping assembly further comprises a connection sleeve disposed between the movable clamping mount and the threaded rod.