阅读说明：本技术 一种利用管材自重进行管材夹紧的塑料管材内壁清理装置 (Utilize tubular product dead weight to carry out tight plastics tubular product inner wall cleaning device of tubular product clamp ) 是由 张虽龙 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种利用管材自重进行管材夹紧的塑料管材内壁清理装置,包括机体,所述机体内部设有清洁腔,所述清洁腔内部设有清理机构,所述机体内部设有重力夹紧机构,所述机体内部设有手动解锁机构,所述重力夹紧机构包括夹紧块,本发明结构简单,通过重力夹紧机构来实现利用塑料管材的重量来实现对管材的夹紧功能,有效避免了其他动力装置在夹紧管材时,容易导致管材开裂的情况发生,本发明通过清理机构可以实现对不同内径的管材进行清理的功能。(The invention discloses a plastic pipe inner wall cleaning device for clamping a pipe by using the self weight of the pipe, which comprises a machine body, wherein a cleaning cavity is arranged in the machine body, a cleaning mechanism is arranged in the cleaning cavity, a gravity clamping mechanism is arranged in the machine body, a manual unlocking mechanism is arranged in the machine body, and the gravity clamping mechanism comprises a clamping block.)

1. The utility model provides an utilize tubular product dead weight to carry out tight plastics tubular product inner wall cleaning device of tubular product clamp, includes the organism, its characterized in that: the machine body is internally provided with a cleaning cavity, the cleaning cavity is internally provided with a cleaning mechanism, the machine body is internally provided with a gravity clamping mechanism, the machine body is internally provided with a manual unlocking mechanism, the gravity clamping mechanism comprises clamping blocks which are arranged in a bilateral symmetry manner, a left moving rod and a right moving rod which extend downwards are fixedly arranged below the left clamping block, a working cavity is arranged below the left moving rod and the right moving rod, a rotating disc is arranged inside the working cavity, curved connecting rods are symmetrically and rotatably arranged above the rotating disc and are rotatably connected with the left moving rod and the right moving rod, a hollow rotating shaft which extends downwards is fixedly arranged below the rotating disc and is rotatably connected with the lower wall surface of the working cavity, a pinion is arranged inside the working cavity and is fixedly connected with the hollow rotating shaft, and a first one-way gear is arranged inside the rotating disc, a spring cavity is arranged in the first one-way gear, a first limiting block extending rightwards is arranged in the spring cavity, a first compression spring is arranged in the spring cavity, the first compression spring is fixedly connected with the left wall surface of the spring cavity, the first compression spring is fixedly connected with the left end surface of the first limiting block, the first limiting block and the first one-way gear are clamped in a single way, a threaded sleeve extending upwards is fixedly arranged at the central position of the first one-way gear, the threaded sleeve is rotatably connected with the upper wall surface of the working cavity, a threaded rod extending up and down is arranged at the central position of the threaded sleeve in a spline connection mode, a cavity is arranged below the threaded rod, a lifting cavity is arranged above the threaded rod, a bottom plate is arranged in the lifting cavity and fixedly connected with the threaded rod, a common spring is arranged in the lifting cavity, and is fixedly connected with the lower wall surface of the bottom plate, the common spring is fixedly connected with the lower wall surface of the lifting cavity, the right side of the pinion is meshed with a matching gear, a connecting shaft extending downwards is fixedly arranged at the center of the matching gear, a scroll spring is arranged below the matching gear, the inner side of the scroll spring is fixedly connected with the connecting shaft, and the outer side of the scroll spring is fixedly connected with the machine body.

2. The plastic pipe inner wall cleaning device for clamping the pipe by using the self weight of the pipe as claimed in claim 1, wherein: the manual release mechanism comprises a front moving rod and a rear moving rod, a moving cavity is arranged on the left side of the front moving rod and the rear moving rod, a second limiting block extending forwards is arranged in the moving cavity, a second compression spring is arranged in the moving cavity, the front end of the second compression spring is fixedly connected with the second limiting block, the second compression spring is fixedly connected with the rear wall face of the moving cavity, a transmission cavity is arranged in front of the second limiting block, a second one-way gear is arranged in the transmission cavity, the second one-way gear is fixedly connected with the second limiting block in an one-way clamping mode, and the second one-way gear is fixedly connected with the connecting shaft.

3. The plastic pipe inner wall cleaning device for clamping the pipe by using the self weight of the pipe as claimed in claim 1, wherein: the cleaning mechanism comprises a main motor, a driving threaded rod extending downwards is arranged below the main motor in a power connection mode, a lifting shaft extending downwards is arranged below the driving threaded rod in a threaded connection mode, a spline shaft extending downwards is arranged below the lifting shaft in a rotating mode, a spline housing is arranged around the spline shaft in a threaded connection mode, a left gear is fixedly arranged around the spline housing, a right gear is meshed with the right side of the left gear, an auxiliary power shaft extending upwards is fixedly arranged at the center of the right gear, an auxiliary motor is arranged above the auxiliary power shaft in a power connection mode, a rotating cavity is arranged inside the machine body, the auxiliary motor is fixedly arranged on the upper wall surface of the rotating cavity, a limiting cavity is arranged at the lower end of the spline shaft, limiting rods symmetrically arranged left and right are arranged inside the limiting cavity, a centrifugal plate is fixedly arranged on the left side of the limiting rods aiming at the left, the centrifugal plate is characterized in that a cotton brush is fixedly arranged on the left side of the centrifugal plate, a return spring is fixedly arranged on the right side wall surface of the centrifugal plate, and the right end of the return spring is fixedly connected with the spline shaft.

4. The plastic pipe inner wall cleaning device for clamping the pipe by using the self weight of the pipe as claimed in claim 1, wherein: the transmission between the first one-way gear and the rotating disc is one-way transmission.

Technical Field

The invention relates to the field of plastic pipes, in particular to a plastic pipe inner wall cleaning device for clamping a pipe by utilizing the self weight of the pipe.

Background

In the cleaning process of traditional plastics tubular product, need come the clamping mechanism energy supply for tubular product with electric energy or hydraulic press, probably can lead to the clamp force too big, and the condition of damaging plastics tubular product takes place, so it is necessary to design one kind and utilizes tubular product dead weight to carry out the tight plastics tubular product inner wall cleaning device of tubular product clamp and solve above-mentioned problem.

Disclosure of Invention

The invention aims to provide a plastic pipe inner wall cleaning device for clamping a pipe by utilizing the self weight of the pipe so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a plastic pipe inner wall cleaning device for clamping pipes by utilizing self weight of the pipes comprises a machine body, wherein a cleaning cavity is arranged inside the machine body, a cleaning mechanism is arranged inside the cleaning cavity, a gravity clamping mechanism is arranged inside the machine body, a manual unlocking mechanism is arranged inside the machine body, the gravity clamping mechanism comprises clamping blocks, the clamping blocks are arranged in a bilateral symmetry manner, a left moving rod and a right moving rod which extend downwards are fixedly arranged below the left clamping block, a working cavity is arranged below the left moving rod and a rotating disc is arranged inside the working cavity, a curved connecting rod is rotationally arranged above the rotating disc in a bilateral symmetry manner and is rotationally connected with the left moving rod and the right moving rod, a hollow rotating shaft which extends downwards is fixedly arranged below the rotating disc and is rotationally connected with the lower wall surface of the working cavity, and a small gear is arranged inside the working cavity, the pinion is fixedly connected with the hollow rotating shaft, a first one-way gear is arranged inside the rotating disc, a spring cavity is arranged inside the first one-way gear, a first limiting block extending rightwards is arranged inside the spring cavity, a first compression spring is arranged inside the spring cavity, the first compression spring is fixedly connected with the left wall surface of the spring cavity, the first compression spring is fixedly connected with the left end surface of the first limiting block, the first limiting block and the first one-way gear are clamped in a one-way mode, an upward extending threaded sleeve is fixedly arranged at the central position of the first one-way gear, the threaded sleeve is rotatably connected with the upper wall surface of the working cavity, a threaded rod extending upwards and downwards is arranged at the central position of the threaded sleeve in a keyed connection mode, a cavity is arranged below the threaded rod, a lifting cavity is arranged above the threaded rod, a bottom plate is arranged inside the lifting cavity, and the bottom plate is, the lifting mechanism is characterized in that a common spring is arranged in the lifting cavity and fixedly connected with the lower wall surface of the bottom plate, the common spring is fixedly connected with the lower wall surface of the lifting cavity, a matching gear is meshed with the right side of the pinion, a connecting shaft extending downwards is fixedly arranged at the center of the matching gear, a scroll spring is arranged below the matching gear, the inner side of the scroll spring is fixedly connected with the connecting shaft, and the outer side of the scroll spring is fixedly connected with the machine body.

Further, manual release mechanism includes the fore-and-aft movement pole, the fore-and-aft movement pole left side is equipped with removes the chamber, it is equipped with the second stopper that extends forward to remove intracavity portion, it is equipped with second compression spring to remove intracavity portion, the second compression spring front end with the second stopper links firmly, second compression spring with it links firmly to remove chamber back wall, second stopper the place ahead is equipped with the transmission chamber, transmission intracavity portion is equipped with second one way gear, second one way gear with the one-way card of second stopper is dead, second one way gear with the connecting axle links firmly.

Further, the cleaning mechanism comprises a main motor, a driving threaded rod extending downwards is arranged below the main motor in a power connection mode, a lifting shaft extending downwards is arranged below the driving threaded rod in a threaded connection mode, a spline shaft extending downwards is arranged below the lifting shaft in a rotating mode, a spline housing is arranged around the spline shaft in a threaded connection mode, a left gear is fixedly arranged around the spline housing, a right gear is meshed with the right side of the left gear and is provided with an auxiliary power shaft extending upwards, an auxiliary motor is arranged above the auxiliary power shaft in a power connection mode, a rotating cavity is formed in the machine body, the auxiliary motor is fixedly arranged on the upper wall surface of the rotating cavity, a limiting cavity is formed in the lower end of the spline shaft, limiting rods symmetrically arranged on the left side and the right side are arranged in the limiting cavity, a centrifugal plate is fixedly arranged on the left side of the limiting rods, the centrifugal plate is characterized in that a cotton brush is fixedly arranged on the left side of the centrifugal plate, a return spring is fixedly arranged on the right side wall surface of the centrifugal plate, and the right end of the return spring is fixedly connected with the spline shaft.

Further, the transmission between the first one-way gear and the rotating disc is one-way transmission.

In conclusion, the beneficial effects of the invention are as follows: the pipe clamping device is simple in structure, realizes the pipe clamping function by utilizing the weight of the plastic pipe through the gravity clamping mechanism, effectively avoids the situation that the pipe is easy to crack when other power devices clamp the pipe, and can realize the function of cleaning the pipes with different inner diameters through the cleaning mechanism.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of the whole full-section of a plastic pipe inner wall cleaning device for clamping a pipe by using the self weight of the pipe;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of B of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure C of FIG. 1 according to the present invention;

FIG. 5 is a cross-sectional view taken along line D-D of FIG. 2 in accordance with the present invention;

FIG. 6 is a cross-sectional view taken along line E-E of FIG. 2 in accordance with the present invention;

FIG. 7 is a cross-sectional view taken in the direction F-F of FIG. 2 in accordance with the present invention;

FIG. 8 is an enlarged view of the structure G in FIG. 2 according to the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.

Referring to fig. 1-8, an embodiment of the present invention: a plastic pipe inner wall cleaning device for clamping pipes by utilizing self weight of the pipes comprises a machine body 10, a cleaning cavity 14 is arranged inside the machine body 10, a cleaning mechanism is arranged inside the cleaning cavity 14, a gravity clamping mechanism is arranged inside the machine body 10, a manual unlocking mechanism is arranged inside the machine body 10, the gravity clamping mechanism comprises clamping blocks 20, the clamping blocks 20 are arranged in a bilateral symmetry mode, left and right moving rods 21 extending downwards are fixedly arranged below the clamping blocks 20 on the left side, a working cavity 23 is arranged below the left and right moving rods 21, a rotating disc 48 is arranged inside the working cavity 23, a curved connecting rod 22 is rotatably arranged above the rotating disc 48 in a bilateral symmetry mode, the curved connecting rod 22 is rotatably connected with the left and right moving rods 21, a hollow rotating shaft 52 extending downwards is fixedly arranged below the rotating disc 48, and the hollow rotating shaft 52 is rotatably connected with a lower wall surface of the working cavity 23, the working chamber 23 is internally provided with a pinion 51, the pinion 51 is fixedly connected with the hollow rotating shaft 52, the rotating disc 48 is internally provided with a first one-way gear 49, the first one-way gear 49 is internally provided with a spring chamber 47, the spring chamber 47 is internally provided with a first limiting block 46 extending rightwards, the spring chamber 47 is internally provided with a first compression spring 45, the first compression spring 45 is fixedly connected with the left wall surface of the spring chamber 47, the first compression spring 45 is fixedly connected with the left end surface of the first limiting block 46, the first limiting block 46 is fixedly connected with the first one-way gear 49 in a one-way clamping manner, the central position of the first one-way gear 49 is fixedly provided with a thread sleeve 50 extending upwards, the thread sleeve 50 is rotatably connected with the upper wall surface of the working chamber 23, the central position of the thread sleeve 50 is connected with a threaded rod 32 extending upwards and downwards in a spline manner, a cavity 24 is arranged below the, a lifting cavity 31 is arranged above the threaded rod 32, a bottom plate 33 is arranged in the lifting cavity 31, the bottom plate 33 is fixedly connected with the threaded rod 32, a common spring 34 is arranged in the lifting cavity 31, the common spring 34 is fixedly connected with the lower wall surface of the bottom plate 33, the common spring 34 is fixedly connected with the lower wall surface of the lifting cavity 31, a matching gear 30 is meshed with the right side of the pinion 51, a connecting shaft 25 extending downwards is fixedly arranged at the center of the matching gear 30, a scroll spring 29 is arranged below the matching gear 30, the inner side of the scroll spring 29 is fixedly connected with the connecting shaft 25, and the outer side of the scroll spring 29 is fixedly connected with the machine body 10.

Beneficially, the manual unlocking mechanism includes a front and rear moving rod 28, a moving cavity 42 is disposed on the left side of the front and rear moving rod 28, a second limiting block 44 extending forward is disposed inside the moving cavity 42, a second pressing spring 43 is disposed inside the moving cavity 42, the front end of the second pressing spring 43 is fixedly connected to the second limiting block 44, the second pressing spring 43 is fixedly connected to the rear wall surface of the moving cavity 42, a transmission cavity 27 is disposed in front of the second limiting block 44, a second one-way gear 26 is disposed inside the transmission cavity 27, the second one-way gear 26 is fixedly connected to the second limiting block 44 in a one-way manner, the second one-way gear 26 is fixedly connected to the connecting shaft 25, when the manual unlocking is performed, the front and rear moving rod 28 is manually pushed to the rear side, the front and rear moving rod 28 moves backward to drive the second limiting block 44 to move backward, the second limiting block 44 moves backward so that the second limiting block 44 does not limit the rotation of the second one-way gear 26, at this time, the stored force of the spiral spring 29 is released, and the spiral spring 29 rotates the connecting shaft 25 in the reverse direction.

Beneficially, the cleaning mechanism comprises a main motor 41, a driving threaded rod 40 extending downwards is arranged below the main motor 41 in a power connection mode, a lifting shaft 11 extending downwards is arranged below the driving threaded rod 40 in a threaded connection mode, a spline shaft 12 extending downwards is arranged below the lifting shaft 11 in a rotating mode, a spline housing 19 is arranged around the spline shaft 12 in a threaded connection mode, a left gear 13 is fixedly arranged around the spline housing 19, a right gear 16 is meshed with the right side of the left gear 13, an auxiliary power shaft 17 extending upwards is fixedly arranged at the center position of the right gear 16, an auxiliary motor 18 is arranged above the auxiliary power shaft 17 in a power connection mode, a rotating cavity 15 is arranged inside the machine body 10, the auxiliary motor 18 is fixedly arranged on the upper wall surface of the rotating cavity 15, a limiting cavity 38 is arranged at the lower end of the spline shaft 12, and limiting rods 37 symmetrically arranged left and right are arranged inside the limiting cavity 38, aiming at the left side the gag lever post 37, the gag lever post 37 left side has set firmly centrifugal plate 36, centrifugal plate 36 left side has set firmly cotton brush 35, set firmly reset spring 39 on the centrifugal plate 36 right side wall, reset spring 39 right-hand member with integral key shaft 12 links firmly. When the interior of a plastic pipe needs to be cleaned, the main motor 41 is started to rotate, the main motor 41 drives the driving threaded rod 40 to rotate, the driving threaded rod 40 drives the lifting shaft 11 to descend, the lifting shaft 11 drives the spline shaft 12 to move downwards, the auxiliary motor 18 is started after the lower end of the spline shaft 12 is inserted into the interior of the plastic pipe, the auxiliary motor 18 drives the auxiliary power shaft 17 to rotate, the auxiliary power shaft 17 drives the right gear 16 to rotate, the right gear 16 drives the left gear 13 to rotate, the left gear 13 drives the spline sleeve 19 to rotate, the spline sleeve 19 drives the spline shaft 12 to rotate, when the spline shaft 12 rotates, the centrifugal plate 36 is moved outwards under the action of an outward centrifugal force, the centrifugal plate 36 drives the cotton brush 35 to move outwards, and the outward movement of the centrifugal plate 36 can stretch the reset spring 39, can move outward cotton brush 35 when moving with tubular product inner wall butt, integral key shaft 12 rotates the drive cotton brush 35 with integral key shaft 12 has enough to meet the need as the center, simultaneously integral key shaft 12 continues to move down the drive cotton brush 35 moves down, cotton brush 35 rotates and has moved down the clearance function of having realized the tubular product inner wall, reverses main motor 41 makes integral key shaft 12 shifts up to reset, simultaneously cotton brush 35 can be applicable to the inner wall clearance of different internal diameter plastics tubular product.

Advantageously, the transmission between said first unidirectional gear 49 and said rotating disc 48 is a unidirectional transmission.

1. When the invention is in a static state, the spline shaft 12 is positioned at the top, the centrifugal plate 36 is abutted against the spline shaft 12, the return spring 39 is in a stretching state, the clamping block 20 is positioned at a position far away from the lifting cavity 31, and the second limiting block 44 is positioned at the top; 2. when the invention starts to work, the tube is vertically arranged above the bottom plate 33, the upper end of the tube is aligned with the spline shaft 12, the tube drives the bottom plate 33 to descend, when the bottom plate 33 descends, the bottom plate 33 drives the threaded rod 32 to move downwards, meanwhile, the common spring 34 is stressed and compressed, the threaded rod 32 descends to drive the threaded sleeve 50 to rotate, the threaded sleeve 50 drives the first one-way gear 49 to rotate, the first one-way gear 49 drives the rotating disc 48 to rotate, the rotating disc 48 drives the curved connecting rod 22 to move, the curved connecting rod 22 moves to drive the left and right moving rods 21 to move towards the position close to the pipe, the left and right moving rods 21 drive the clamping block 20 to move towards the position close to the pipe, and the clamping block 20 can clamp the pipe when contacting the pipe, the contact surface of the clamping block 20 and the pipe generates a friction force to prevent the pipe from moving downwards continuously, so that the function of clamping the pipe by using the self weight of the pipe is realized; 3. the rotating disc 48 rotates to drive the middle idle shaft 52 to rotate, the hollow rotating shaft 52 drives the pinion 51 to rotate, the pinion 51 drives the matching gear 30 to rotate, the matching gear 30 drives the connecting shaft 25 to rotate, the connecting shaft 25 drives the scroll spring 29 to accumulate force, the connecting shaft 25 drives the second one-way gear 26 to rotate, the second one-way gear 26 drives the second limiting block 44 to move backwards at intervals when rotating, the second limiting block 44 moves backwards to compress the second pressing spring 43, when the external teeth of the second one-way gear 26 are not abutted to the front end of the second limiting block 44, the second limiting block 44 is reset under the action of the second pressing spring 43, the accumulated force of the scroll spring 29 has a tendency of reverse rotation, the scroll spring 29 drives the connecting shaft 25 to have a tendency of reverse rotation, the connecting shaft 25 drives the second one-way gear 26 to have a tendency of reverse rotation, because the external teeth of the second one-way gear 26 are in the reverse, will be locked with the front end of the second limiting block 44, resulting in that the second one-way gear 26 cannot rotate reversely; 4. when the interior of a plastic pipe needs to be cleaned, the main motor 41 is started to rotate, the main motor 41 drives the driving threaded rod 40 to rotate, the driving threaded rod 40 drives the lifting shaft 11 to descend, the lifting shaft 11 drives the spline shaft 12 to move downwards, after the lower end of the spline shaft 12 is inserted into the interior of the pipe, the auxiliary motor 18 is started, the auxiliary motor 18 drives the auxiliary power shaft 17 to rotate, the auxiliary power shaft 17 drives the right gear 16 to rotate, the right gear 16 drives the left gear 13 to rotate, the left gear 13 drives the spline housing 19 to rotate, the spline housing 19 drives the spline shaft 12 to rotate, when the spline shaft 12 rotates, the centrifugal plate 36 is subjected to outward centrifugal force to move outwards, the centrifugal plate 36 drives the cotton brush 35 to move outwards, the centrifugal plate 36 moves outwards to stretch the reset spring 39, when the cotton brush 35 moves outwards, the cotton brush is abutted against the inner wall of the pipe, when the, meanwhile, the spline shaft 12 continues to move downwards to drive the cotton brush 35 to move downwards, the cotton brush 35 rotates and moves downwards to realize the cleaning function of the inner wall of the pipe, the main motor 41 is reversed, so that the spline shaft 12 moves upwards and resets, and meanwhile, the cotton brush 35 can be suitable for cleaning the inner walls of plastic pipes with different inner diameters; 5. when the plastic pipe needs to be taken down, the pipe is pulled upwards manually, meanwhile, the front and rear moving rod 28 is pushed backwards manually, the front and rear moving rod 28 moves backwards to drive the second limiting block 44 to move backwards, the second limiting block 44 moves backwards to enable the second limiting block 44 not to limit the rotation of the second one-way gear 26, at the moment, the scroll spring 29 releases the stored force, the scroll spring 29 drives the connecting shaft 25 to rotate backwards, the connecting shaft 25 drives the matching gear 30 to rotate backwards, the matching gear 30 drives the pinion 51 to rotate backwards, the pinion 51 drives the hollow rotating shaft 52 to rotate backwards, the hollow rotating shaft 52 drives the rotating disc 48 to rotate backwards, the first one-way gear 49 cannot be driven to rotate when the rotating disc 48 rotates backwards, the rotating disc 48 drives the curved connecting rod 22 to move, the curved connecting rod 22 drives the left and right moving rods 21 to move towards the direction far away from the pipe, the left and right moving rods 21 drive the clamping block 20 to far, at the moment, the pipe can be manually moved upwards to take down the pipe; 6. at this time, the common spring 34 rebounds upward, the common spring 34 pushes the bottom plate 33 to move upward, the bottom plate 33 drives the threaded rod 32 to move upward and return, the threaded sleeve 50 is driven to rotate reversely when the threaded rod 32 moves upward, the threaded sleeve 50 drives the first one-way gear 49 to rotate reversely when the threaded sleeve 50 rotates reversely, the external teeth of the first one-way gear 49 can push the first limiting block 46 to move leftward when rotating, and the first one-way gear 49 can not drive the rotating disc 48 to rotate when rotating.

The invention has the beneficial effects that: the pipe clamping device is simple in structure, realizes the pipe clamping function by utilizing the weight of the plastic pipe through the gravity clamping mechanism, effectively avoids the situation that the pipe is easy to crack when other power devices clamp the pipe, and can realize the function of cleaning the pipes with different inner diameters through the cleaning mechanism.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.