阅读说明：本技术 一种塑料管的挤出生产机 (Extrusion production machine of plastic pipe ) 是由 陈宁春 于 2020-04-15 设计创作，主要内容包括：本发明公开了一种塑料管的挤出生产机,包括机体,所述机体内部设有分料腔,所述分料腔下方连通设有加热腔,所述加热腔下方连通设有送料腔,所述送料腔左侧连通设有冷却腔,本发明可以通过调节分料器来实现自动控制倒入加热腔的塑料颗粒颜色,从而实现自动控制生产出的塑料管颜色类型,同时本发明可以通过自由控制切割刀的下落时间点,从而实现控制生产塑料管的长度,满足更多样化的要求,在塑料液体运输过程中,本发明还可以通过辅助加热壁为塑料液体进行加热,有效避免了塑料液体中途冷却固化,不便于运输的情况发生,本发明结构简单,效率较高。(The invention discloses an extrusion production machine of a plastic pipe, which comprises a machine body, wherein a material distribution cavity is arranged in the machine body, a heating cavity is communicated below the material distribution cavity, a material feeding cavity is communicated below the heating cavity, and a cooling cavity is communicated on the left side of the material feeding cavity.)

1. The utility model provides an extrusion production machine of plastic tubing, includes the organism, its characterized in that: the machine body is internally provided with a material distribution cavity, the lower part of the material distribution cavity is communicated with a heating cavity, the lower part of the heating cavity is communicated with a material feeding cavity, the left side of the material feeding cavity is communicated with a cooling cavity, the upper part of the material feeding cavity is provided with a working cavity, the right side of the working cavity is provided with an engaging cavity, the right side of the engaging cavity is provided with a moving cavity, the left side of the working cavity is provided with a transmission cavity, the left side of the transmission cavity is communicated with a cutting cavity, the cutting cavity and the inside of the transmission cavity are provided with a cutting mechanism, the inside of the material distribution cavity is provided with a material distribution mechanism, the inside of the material feeding cavity is provided with a material feeding mechanism, the material distribution mechanism comprises a material distributor, the inside of the material distributor is provided with vertically symmetrical storage cavities, plastic particles with different colors are placed inside the symmetrically arranged storage cavities, the right side of the connecting shaft is provided with a first rotating cavity, a first belt wheel is arranged in the first rotating cavity, the first belt wheel is fixedly connected with the connecting shaft, a transmission belt is arranged on the first belt wheel in a sliding mode, a second belt wheel is arranged below the first belt wheel, the second belt wheel is connected with the first belt wheel through the transmission belt, a matching shaft extending rightwards is fixedly arranged at the center position of the second belt wheel, a gear cavity is arranged on the right side of the matching shaft, a driven gear is arranged in the gear cavity and fixedly connected with the matching shaft, a meshing gear is arranged in the meshing cavity and is positioned in the meshing cavity, a transmission shaft extending leftwards and rightwards is fixedly arranged at the center position of the meshing gear, a spline shaft extending rightwards is arranged in spline connection on the right side of the transmission shaft, and a first motor is fixedly arranged on the right wall surface of the, the first motor with integral key shaft power is connected remove intracavity portion and be equipped with the removal gear, the removal gear with the transmission shaft links firmly, the transmission shaft left side is rotated and is equipped with the removal axle that extends left, removal axle below sets firmly downwardly extending's removal round pin, removal axle below is equipped with the spring chamber.

2. An extrusion production machine for plastic tubes according to claim 1, characterized in that: the utility model discloses a spring, including spring chamber, spring right-hand member, removal axle left side butt, baffle, eccentric disc, cutting disc, driving pulley, auxiliary drive belt, driving pulley goes up the slip and is equipped with the auxiliary drive area, the spring with spring chamber left side wall links firmly, the spring right-hand member with remove the round pin and link firmly, it is equipped with the baffler that extends left to remove axle left side butt, the baffler left side is rotated and is equipped with the connecting rod that extends left, work intracavity portion is equipped with the eccentric disc, the eccentric disc with the connecting rod rotates and connects, eccentric disc central point puts and has set firmly the work chamber that upwards extends, work chamber upper end power is connected and is equipped with the second motor.

3. An extrusion production machine for plastic tubes according to claim 1, characterized in that: divide material chamber below intercommunication to be equipped with the heating chamber, the heating intracavity portion is equipped with main heating wall, heating chamber below with pay-off chamber intercommunication, the heating chamber with between the pay-off chamber by the baffler blocks.

4. An extrusion production machine for plastic tubes according to claim 1, characterized in that: the cutting mechanism comprises a cutting knife which is positioned in the cutting cavity, a compression spring is arranged in the cutting cavity, the compression spring is fixedly connected with the lower wall surface of the cutting cavity, a spring pin is fixedly arranged on the left side of the cutting knife, the upper end of the compression spring is fixedly connected with the spring pin, a half gear is arranged in the transmission cavity and meshed with the right wall surface of the cutting knife, an auxiliary rotating shaft extending backwards is fixedly arranged at the center of the half gear, a worm wheel is arranged behind the half gear, the worm wheel is fixedly connected with the auxiliary rotating shaft, the right side of the worm wheel is meshed with a worm, the center of the worm is fixedly provided with a first rotating shaft extending upwards, the cutting rotating cavity is internally provided with a moving gear which is fixedly connected with the first rotating shaft, and the moving gear is in transmission connection with the driving belt wheel through the auxiliary transmission belt.

5. An extrusion production machine for plastic tubes according to claim 1, characterized in that: the feeding mechanism comprises a feeding shaft, a fixed shaft extending left and right is rotatably arranged at the center of the feeding shaft, auxiliary heating walls are fixedly arranged on the upper wall surface and the lower wall surface of the feeding cavity, a matching gear is fixedly arranged at the right end of the feeding shaft and can be meshed with the moving gear, and cooling walls are fixedly arranged on the upper wall surface and the lower wall surface of the cooling cavity.

6. An extrusion production machine for plastic tubes according to claim 1, characterized in that: the cutting mechanism comprises a cutting knife which is positioned in the cutting cavity, a compression spring is arranged in the cutting cavity, the compression spring is fixedly connected with the lower wall surface of the cutting cavity, a spring pin is fixedly arranged on the left side of the cutting knife, the upper end of the compression spring is fixedly connected with the spring pin, a half gear is arranged in the transmission cavity and meshed with the right wall surface of the cutting knife, an auxiliary rotating shaft extending backwards is fixedly arranged at the center of the half gear, a worm wheel is arranged behind the half gear, the worm wheel is fixedly connected with the auxiliary rotating shaft, the right side of the worm wheel is meshed with a worm, the center of the worm is fixedly provided with a first rotating shaft extending upwards, the cutting rotating cavity is internally provided with a moving gear which is fixedly connected with the first rotating shaft, and the moving gear is in transmission connection with the driving belt wheel through the auxiliary transmission belt.

Technical Field

The invention relates to the field of extruders, in particular to an extrusion production machine for plastic pipes.

Background

Along with the development of industry, the demand of plastic pipes is more and more, the traditional plastic pipe has lower efficiency in the manufacturing process, and the plastic liquid is easy to generate the solidification trend midway during the transportation of the plastic liquid, so that the production efficiency of the plastic pipe is influenced.

Disclosure of Invention

The present invention aims to provide an extrusion production machine for plastic pipes, which solves the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an extrusion production machine for plastic pipes comprises a machine body, wherein a material distribution cavity is arranged in the machine body, a heating cavity is communicated and arranged below the material distribution cavity, a material feeding cavity is communicated and arranged below the heating cavity, a cooling cavity is communicated and arranged on the left side of the material feeding cavity, a working cavity is arranged above the material feeding cavity, a meshing cavity is arranged on the right side of the working cavity, a moving cavity is arranged on the right side of the meshing cavity, a transmission cavity is arranged on the left side of the working cavity, a cutting cavity is communicated and arranged on the left side of the transmission cavity, a cutting mechanism is arranged in the cutting cavity and the transmission cavity, a material distribution mechanism is arranged in the material distribution cavity, the material feeding mechanism comprises a material distributor, vertically symmetrical storage cavities are arranged in the material distributor, plastic particles with different colors are placed in the symmetrically arranged storage cavities, and plastic pipes with different colors can be produced conveniently, the center position of the distributor is fixedly provided with a connecting shaft extending leftwards and rightwards, the right side of the connecting shaft is provided with a first rotating cavity, a first belt wheel is arranged in the first rotating cavity, the first belt wheel is fixedly connected with the connecting shaft, a driving belt is arranged on the first belt wheel in a sliding manner, a second belt wheel is arranged below the first belt wheel, the second belt wheel is connected with the first belt wheel through the driving belt, the center position of the second belt wheel is fixedly provided with a matching shaft extending rightwards, the right side of the matching shaft is provided with a gear cavity, a driven gear is arranged in the gear cavity, the driven gear is fixedly connected with the matching shaft, the driven gear is meshed with a meshing gear, the meshing gear is positioned in the meshing cavity, the center position of the meshing gear is fixedly provided with a transmission shaft extending leftwards and rightwards, and the right side of the transmission, remove and set firmly first motor on the chamber right wall, first motor with integral key shaft power is connected remove intracavity portion and be equipped with the removal gear, the removal gear with the transmission shaft links firmly, the transmission shaft left side is rotated and is equipped with the removal axle that extends left, remove the axle below and set firmly downwardly extending's removal round pin, it is equipped with the spring chamber to remove the axle below.

Further, the spring intracavity portion is equipped with the spring, the spring with spring chamber left side wall links firmly, the spring right-hand member with remove the round pin and link firmly, it is equipped with the baffler that extends left to remove a left side butt, the baffler left side is rotated and is equipped with the connecting rod that extends left, work intracavity portion is equipped with the eccentric disc, the eccentric disc with the connecting rod rotates to be connected, eccentric disc central point puts and sets firmly the work chamber that upwards extends, work chamber upper end power is connected and is equipped with the second motor, the eccentric disc top is equipped with the cutting and rotates the chamber, the cutting rotates intracavity portion and is equipped with driving pulley, driving pulley with the power shaft links firmly, the last slip of driving pulley is equipped with auxiliary drive belt.

Further, branch material chamber below intercommunication is equipped with the heating chamber, the heating intracavity portion is equipped with the main heating wall, heating chamber below with pay-off chamber intercommunication, the heating chamber with between the pay-off chamber by the baffler blocks.

Further, the cutting mechanism comprises a cutting knife which is positioned in the cutting cavity, a compression spring is arranged in the cutting cavity and fixedly connected with the lower wall surface of the cutting cavity, a spring pin is fixedly arranged on the left side of the cutting knife, the upper end of the compression spring is fixedly connected with the spring pin, a half gear is arranged in the transmission cavity and meshed with the right wall surface of the cutting knife, an auxiliary rotating shaft extending backwards is fixedly arranged at the center of the half gear, a worm wheel is arranged behind the half gear, the worm wheel is fixedly connected with the auxiliary rotating shaft, a worm is meshed on the right side of the worm wheel, a first rotating shaft extending upwards is fixedly arranged at the center of the worm, a moving gear is arranged in the cutting rotating cavity, the movable gear is fixedly connected with the first rotating shaft and is in transmission connection with the driving belt wheel through the auxiliary transmission belt.

Furthermore, the feeding mechanism comprises a feeding shaft, a fixed shaft extending left and right is rotatably arranged at the center of the feeding shaft, auxiliary heating walls are fixedly arranged on the upper wall surface and the lower wall surface of the feeding cavity, a matching gear is fixedly arranged at the right end of the feeding shaft and can be meshed with the moving gear, and cooling walls are fixedly arranged on the upper wall surface and the lower wall surface of the cooling cavity.

Further, the cutting mechanism comprises a cutting knife which is positioned in the cutting cavity, a compression spring is arranged in the cutting cavity and fixedly connected with the lower wall surface of the cutting cavity, a spring pin is fixedly arranged on the left side of the cutting knife, the upper end of the compression spring is fixedly connected with the spring pin, a half gear is arranged in the transmission cavity and meshed with the right wall surface of the cutting knife, an auxiliary rotating shaft extending backwards is fixedly arranged at the center of the half gear, a worm wheel is arranged behind the half gear, the worm wheel is fixedly connected with the auxiliary rotating shaft, a worm is meshed on the right side of the worm wheel, a first rotating shaft extending upwards is fixedly arranged at the center of the worm, a moving gear is arranged in the cutting rotating cavity, the movable gear is fixedly connected with the first rotating shaft and is in transmission connection with the driving belt wheel through the auxiliary transmission belt.

In conclusion, the beneficial effects of the invention are as follows: the automatic control device can realize automatic control of the color of plastic particles poured into the heating cavity by adjusting the distributor, thereby realizing automatic control of the color type of the produced plastic tube, and simultaneously can realize control of the length of the produced plastic tube by freely controlling the falling time point of the cutting knife, thereby meeting more diversified requirements.

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 view of the whole structure of the plastic pipe extrusion production machine of the present invention;

FIG. 2 is an enlarged view of the structure of the invention in the direction A of FIG. 1;

FIG. 3 is an enlarged view of the structure of FIG. 1 taken along the direction B;

fig. 4 is a view showing the structure of the present invention in the direction of C-C in fig. 3.

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 of features 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. 1-4, wherein for ease of description the orientations described hereinafter 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. 1-4, an embodiment of the present invention is shown: the utility model provides an extrusion production machine of plastic tubing, includes organism 10, the inside branch material chamber 31 that is equipped with of organism 10, branch material chamber 31 below intercommunication is equipped with heating chamber 28, heating chamber 28 below intercommunication is equipped with the feed chamber 24, feed chamber 24 left side intercommunication is equipped with cooling chamber 26, feed chamber 24 top is equipped with working chamber 12, working chamber 12 right side is equipped with meshing chamber 36, meshing chamber 36 right side is equipped with removes the chamber 39, working chamber 12 left side is equipped with transmission chamber 56, transmission chamber 56 left side intercommunication is equipped with cutting chamber 51, cutting chamber 51 with the inside cutting mechanism that is equipped with of transmission chamber 56, the inside feed mechanism that is equipped with of branch material chamber 31, the inside feed mechanism that is equipped with of feed chamber 24, feed mechanism includes tripper 29, the inside storage chamber 30 that is equipped with the longitudinal symmetry that is equipped with of tripper 29, the inside plastic granules of different colours that have put of storage chamber 30 of symmetrical arrangement, be convenient for produce the plastic tubing of different colours, tripper 29 central point puts and sets firmly the connecting axle 48 of extending about, connecting axle 48 right side is equipped with first rotation chamber 18, first rotation chamber 18 inside is equipped with first band pulley 50, first band pulley 50 with connecting axle 48 links firmly, it is equipped with drive belt 49 to slide on the first band pulley 50, first band pulley 50 below is equipped with second band pulley 47, second band pulley 47 with first band pulley 50 passes through drive belt 49 transmission is connected, second band pulley 47 central point puts and sets firmly the cooperation axle 46 of extending right, cooperation axle 46 right side is equipped with gear chamber 43, gear chamber 43 inside is equipped with driven gear 44, driven gear 44 with cooperation axle 46 links firmly, driven gear 44 meshing is equipped with meshing gear 37, meshing gear 37 is located inside meshing chamber 36, meshing gear 37 central point puts and has set firmly transmission shaft 45 that extends about, 45 right side splined connection of transmission shaft is equipped with integral key shaft 41 that extends right, it has first motor 42 to set firmly on 39 right walls of removal chamber, first motor 42 with integral key shaft 41 power is connected remove the inside movable gear 40 that is equipped with of chamber 39, movable gear 40 with transmission shaft 45 links firmly, 45 left sides of transmission shaft are rotated and are equipped with the removal axle 32 that extends left, it has downwardly extending's removal round pin 35 to set firmly to remove axle 32 below, it is equipped with spring chamber 34 to remove the axle 32 below.

Beneficially, spring 33 is arranged inside spring cavity 34, spring 33 and the left wall of spring cavity 34 are fixedly connected, the right end of spring 33 and movable pin 35 are fixedly connected, movable shaft 32 is provided with barrier plate 22 extending leftward in a butt-joint manner on the left side, barrier plate 22 is provided with connecting rod 25 extending leftward in a rotating manner on the left side, eccentric disc 16 is arranged inside working cavity 12, eccentric disc 16 and connecting rod 25 are rotatably connected, working cavity 12 extending upward is fixedly arranged at the center of eccentric disc 16, second motor 14 is arranged on the upper end of working cavity 12 in a power connection manner, cutting rotating cavity 11 is arranged above eccentric disc 16, driving pulley 15 is arranged inside cutting rotating cavity 11, driving pulley 15 is fixedly connected with power shaft 13, and auxiliary driving belt 17 is arranged on driving pulley 15 in a sliding manner.

Advantageously, a heating cavity 28 is communicated below the material distribution cavity 31, a main heating wall 19 is arranged inside the heating cavity 28, the heating cavity 28 is communicated with the material feeding cavity 24 below, and the heating cavity 28 and the material feeding cavity 24 are blocked by the blocking plate 22.

Beneficially, the cutting mechanism includes a cutting knife 54, the cutting knife 54 is located inside the cutting cavity 51, a compression spring 53 is arranged inside the cutting cavity 51, the compression spring 53 is fixedly connected with the lower wall surface of the cutting cavity 51, a spring pin 52 is fixedly arranged on the left side of the cutting knife 54, the upper end of the compression spring 53 is fixedly connected with the spring pin 52, a half gear 55 is arranged inside the transmission cavity 56, the half gear 55 is engaged with the right wall surface of the cutting knife 54, an auxiliary rotating shaft 57 extending backwards is fixedly arranged at the central position of the half gear 55, a worm wheel 58 is arranged behind the half gear 55, the worm wheel 58 is fixedly connected with the auxiliary rotating shaft 57, a worm 60 is engaged on the right side of the worm wheel 58, a first rotating shaft 59 extending upwards is fixedly arranged at the central position of the worm 60, a moving gear 40 is arranged inside the cutting rotating cavity 11, and the moving gear 40 is fixedly connected with the first rotating, the movable gear 40 is in transmission connection with the driving pulley 15 through the auxiliary transmission belt 17, when a plastic pipe needs to be cut, the second motor 14 is started to rotate reversely, the second motor 14 rotates reversely to drive the power shaft 13 to rotate reversely, the power shaft 13 drives the driving pulley 15 to rotate reversely, the driving pulley 15 drives the movable gear 40 to rotate, the movable gear 40 drives the first rotating shaft 59 to rotate, the first rotating shaft 59 drives the worm wheel 58 to rotate, the worm wheel 58 drives the auxiliary rotating shaft 57 to rotate, the auxiliary rotating shaft 57 drives the half gear 55 to rotate, when the half gear 55 rotates, when the half gear 55 is engaged with the cutting knife 54, the cutting knife 54 drives the spring pin 52 to move downwards, and the spring pin 52 drives the compression spring 53 to compress downwards, the cutting knife 54 moves downwards to realize the cutting function of the plastic pipe, when the half gear 55 rotates to be disengaged from the cutting knife 54, the compression spring 53 rebounds upwards, so that the spring pin 52 moves upwards, and the spring pin 52 drives the cutting knife 54 to move upwards and return.

Advantageously, the feeding mechanism comprises a feeding shaft 21, a fixed shaft 20 extending left and right is rotatably disposed at the center of the feeding shaft 21, an auxiliary heating wall 23 is fixedly disposed on the upper and lower walls of the feeding cavity 24, a matching gear 38 is fixedly disposed at the right end of the feeding shaft 21, the matching gear 38 can be engaged with the moving gear 40, a cooling wall 27 is fixedly disposed on the upper and lower walls of the cooling cavity 26, when plastic liquid needs to be conveyed, the second motor 14 is started to rotate in the forward direction, the second motor 14 rotates in the forward direction to drive the power shaft 13 to rotate in the forward direction, the power shaft 13 drives the eccentric disc 16 to rotate, the eccentric disc 16 drives the connecting rod 25, the connecting rod 25 drives the blocking plate 22 to reciprocate left and right, when the blocking plate 22 moves left, the blocking plate 22 does not abut against the moving shaft 32, so that the spring 33 contracts left, the spring 33 drives the moving pin 35 to move left, the moving pin 35 drives the moving shaft 32 to move left, the moving shaft 32 drives the transmission shaft 45 to move left, the transmission shaft 45 drives the meshing gear 37 and the moving gear 40 to move left, so that the moving gear 40 is meshed with the matching gear 38, then the first motor 42 is started to rotate, the first motor 42 drives the spline shaft 41 to rotate, the spline shaft 41 drives the transmission shaft 45 to rotate, the transmission shaft 45 drives the moving gear 40 to rotate, the moving gear 40 drives the matching gear 38 to rotate, the matching gear 38 drives the feeding shaft 21 to rotate, the feeding shaft 21 drives the plastic liquid in the feeding cavity 24 to move left, and meanwhile, the auxiliary heating wall 23 heats the plastic liquid in the feeding cavity 24 to prevent the plastic liquid from solidifying, when the plastic liquid is transported to the inside, the plastic liquid is rapidly cooled to be solid by the cooling of the cooling wall 27.

Beneficially, the cutting mechanism includes a cutting knife 54, the cutting knife 54 is located inside the cutting cavity 51, a compression spring 53 is arranged inside the cutting cavity 51, the compression spring 53 is fixedly connected with the lower wall surface of the cutting cavity 51, a spring pin 52 is fixedly arranged on the left side of the cutting knife 54, the upper end of the compression spring 53 is fixedly connected with the spring pin 52, a half gear 55 is arranged inside the transmission cavity 56, the half gear 55 is engaged with the right wall surface of the cutting knife 54, an auxiliary rotating shaft 57 extending backwards is fixedly arranged at the central position of the half gear 55, a worm wheel 58 is arranged behind the half gear 55, the worm wheel 58 is fixedly connected with the auxiliary rotating shaft 57, a worm 60 is engaged on the right side of the worm wheel 58, a first rotating shaft 59 extending upwards is fixedly arranged at the central position of the worm 60, a moving gear 40 is arranged inside the cutting rotating cavity 11, and the moving gear 40 is fixedly connected with the first rotating, the movable gear 40 is in transmission connection with the driving pulley 15 through the auxiliary transmission belt 17, when a plastic pipe needs to be cut, the second motor 14 is started to rotate reversely, the second motor 14 rotates reversely to drive the power shaft 13 to rotate reversely, the power shaft 13 drives the driving pulley 15 to rotate reversely, the driving pulley 15 drives the movable gear 40 to rotate, the movable gear 40 drives the first rotating shaft 59 to rotate, the first rotating shaft 59 drives the worm wheel 58 to rotate, the worm wheel 58 drives the auxiliary rotating shaft 57 to rotate, the auxiliary rotating shaft 57 drives the half gear 55 to rotate, when the half gear 55 rotates, when the half gear 55 is engaged with the cutting knife 54, the cutting knife 54 drives the spring pin 52 to move downwards, and the spring pin 52 drives the compression spring 53 to compress downwards, the cutting knife 54 moves downwards to realize the cutting function of the plastic pipe, when the half gear 55 rotates to be disengaged from the cutting knife 54, the compression spring 53 rebounds upwards, so that the spring pin 52 moves upwards, and the spring pin 52 drives the cutting knife 54 to move upwards and return.

1. When the invention is not started, the blocking plate 22 is positioned at the rightmost side, the cutting knife 54 is positioned at the uppermost side, the meshing gear 37 is meshed with the driven gear 44, the moving gear 40 is not meshed with the matching gear 38, when the invention is started, when the first motor 42 is started, the first motor 42 drives the spline shaft 41 to rotate, the spline shaft 41 drives the transmission shaft 45 to rotate, the transmission shaft 45 drives the meshing gear 37 to rotate, the meshing gear 37 drives the driven gear 44 to rotate, the driven gear 44 drives the matching shaft 46 to rotate, the matching shaft 46 drives the second belt wheel 47 to rotate, the second belt wheel 47 drives the first belt wheel 50 to rotate, the first belt wheel 50 drives the connecting shaft 48 to rotate, the connecting shaft 48 drives the distributor 29 to rotate, and different plastic particles can be selectively poured into the heating cavity 28 when the distributor 29 rotates, then the plastic particles in the heating cavity 28 are heated and melted into plastic liquid through the main heating wall 19; 2. then the second motor 14 is started to rotate in the positive direction, the second motor 14 drives the power shaft 13 to rotate, the power shaft 13 drives the driving belt wheel 15 and the eccentric disc 16 to rotate, the eccentric disc 16 drives the connecting rod 25 to move, the connecting rod 25 drives the blocking plate 22 to reciprocate left and right, the blocking plate 22 moves left first, the blocking plate 22 moves left to enable the heating cavity 28 to be communicated with the feeding cavity 24, the plastic liquid in the heating cavity 28 flows into the feeding cavity 24, the blocking plate 22 is not abutted against the moving shaft 32, the spring 33 contracts left, the spring 33 drives the moving pin 35 to move left, the moving pin 35 drives the moving shaft 32 to move left, the moving shaft 32 drives the transmission shaft 45 to move left, the transmission shaft 45 drives the meshing gear 37 to move left with the moving gear 40, and the moving gear 40 is meshed with the matching gear 38; 3. then, the first motor 42 is started to rotate, the first motor 42 drives the spline shaft 41 to rotate, the spline shaft 41 drives the transmission shaft 45 to rotate, the transmission shaft 45 drives the movable gear 40 to rotate, the movable gear 40 drives the matching gear 38 to rotate, the matching gear 38 drives the feeding shaft 21 to rotate, the feeding shaft 21 drives the plastic liquid in the feeding cavity 24 to move left, meanwhile, the auxiliary heating wall 23 heats the plastic liquid in the feeding cavity 24, solidification of the plastic liquid is avoided, and when the plastic liquid is transported to the inside, the plastic liquid can be rapidly cooled to be in a solid state under the cooling of the cooling wall 27; 4. when the plastic pipe needs to be cut and segmented, the second motor 14 is started to rotate reversely, the second motor 14 rotates reversely to drive the power shaft 13 to rotate reversely, the power shaft 13 drives the driving belt wheel 15 to rotate reversely, the driving belt wheel 15 drives the movable gear 40 to rotate, the movable gear 40 drives the first rotating shaft 59 to rotate, the first rotating shaft 59 drives the worm wheel 58 to rotate, the worm wheel 58 drives the auxiliary rotating shaft 57 to rotate, the auxiliary rotating shaft 57 drives the half gear 55 to rotate, when the half gear 55 rotates, when the half gear 55 is engaged with the cutter 54, the cutter 54 is driven to move downwards, the cutter 54 moves downwards to drive the spring pin 52 to move downwards, the spring pin 52 drives the compression spring 53 to compress downwards, the cutter 54 moves downwards to realize the cutting function of the plastic pipe, when the half gear 55 rotates to be disengaged from the cutting knife 54, the compression spring 53 rebounds upwards, so that the spring pin 52 moves upwards, and the spring pin 52 drives the cutting knife 54 to move upwards and return; 5. when the plastic liquid in the feeding cavity 24 is completely consumed, the second motor 14 is started to rotate in the positive direction, so that the blocking plate 22 moves rightwards and resets, the blocking plate 22 resets to block the space between the feeding cavity 24 and the heating cavity 28, the meshing gear 37 is meshed with the driven gear 44, the moving gear 40 is meshed with the matching gear 38, and the operations are repeatedly performed, so that the function of quickly manufacturing the plastic pipe is realized.

The invention has the beneficial effects that: the automatic control device can realize automatic control of the color of plastic particles poured into the heating cavity by adjusting the distributor, thereby realizing automatic control of the color type of the produced plastic tube, and simultaneously can realize control of the length of the produced plastic tube by freely controlling the falling time point of the cutting knife, thereby meeting more diversified requirements.

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.