WO2021207921A1

WO2021207921A1 - Tube-forming machine employing continuous hot-press and plasticization techniques

Info

Publication number: WO2021207921A1
Application number: PCT/CN2020/084665
Authority: WO
Inventors: 单伟雄; 刘武成; 单伟锋
Original assignee: 广州至简通用设备制造有限公司
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-10-21

Abstract

A tube-forming machine employing continuous hot-press and plasticization techniques comprises a material compartment (1), a driving device (2), an extrusion device (3), a forming device (4), a heating device (5), and a frame (6). The material compartment (1), the driving device (2), and the forming device (4) are disposed on the frame (6). The extrusion device (3) is disposed in the material compartment (1) and linked to the driving device (2). The heating device (5) is disposed inside the forming device (4). The driving device (2) is used to drive the extrusion device (3) to squeeze a tube-forming raw material into the forming device (4), and the heating device (5) is used to simultaneously heat the forming device (4) so as to plasticize and shape the tube-forming raw material at high temperature in the forming device (4), thus achieving a continuous flow process. In addition, as long as the machine is placed high enough, the tube length can be freely determined to meet different requirements of clients.

Description

Continuous hot-pressing plasticizing pipe making machine

Technical field

The invention relates to a pipe-making equipment, in particular to a continuous hot-pressing and plasticizing pipe-making machine.

Background technique

The existing pipe production has a variety of different processes, including hot-pressed pipes, cold-pressed pipes, glued coiled pipes, etc., but no matter which pipe-making method is used, the pipe-making equipment is complicated and needs to be divided into multiple channels. The process can be completed. For example, in the existing hot-pressed pipe, it is usually necessary to add the powder to the mold cavity for compression molding, and then send the mold cavity to the heating device for heating, so that the pipe is formed, which is divided into two processes. , Time-consuming and labor-intensive; and the length of the pipe is limited by the mold cavity, and it is impossible to produce longer pipes, so it is difficult to meet customer requirements.

At present, the flexible packaging film production, papermaking, non-ferrous metallurgy, textile and other coil production processes and the finished product coils used in the market are mainly made of kraft paper, sand tube paper, etc., which are first cut into strips and then glued on a special coiling machine and then continuously coiled The tubes are made into various specifications, and cut to a certain length according to the design specifications, and then enter the drying room for drying and finalization. After the finalization, the different lengths are cut according to the customer's requirements, and the cut port is ground and dust-sealed with glue, and then packaged and sent to the customer use. It also has complicated pipe-making equipment, many processes, and a large amount of paper.

Summary of the invention

In view of the above-mentioned problems in the prior art, the purpose of the present invention is to provide a continuous hot-pressing plasticizing pipe making machine that can realize continuous, unlimited length, and fully automated control.

In order to achieve the above objective, the technical solution adopted by the present invention is: a continuous hot compression plasticizing pipe making machine, which is characterized by including a silo, a driving device, an extrusion device, a forming device, a heating device, and a frame. The silo, the driving device and the forming device are installed on the frame, the extrusion device is installed in the silo and linked with the driving device, the heating device is arranged in the forming device, and the material The tube-making raw materials in the bin are squeezed into the molding device under the drive of the extrusion device, and are plasticized into a tube body under high temperature and high pressure under the action of the heating device.

Preferably, the driving device includes a hydraulic cylinder, the hydraulic cylinder is mounted on the frame, and the piston rod of the hydraulic cylinder extends into the silo to be connected with the extrusion device.

Preferably, the driving device further includes a travel frame installed at the position of the piston rod, and the travel frame includes a frame seat, a limit slot provided on the frame seat, and a limit slot placed in the limit slot. The end of the piston rod is connected with the limiting block, and the pressing device is connected with the limiting block.

Preferably, the silo gradually shrinks in the direction of the discharge port to form a cone-shaped body, the discharge port is opposite to the forming device, and the inlet of the silo is opened on the silo wall in the upper part of the silo superior.

Preferably, the present invention further includes a toggle device installed in the silo, and the driving device further includes a motor, and the motor is linked with the toggle device.

Preferably, the shifting device includes a large gear and at least one shift lever, the shift lever is fixedly connected to the large gear, the motor is mounted on the frame and the shaft of the motor extends into the In the silo, a pinion gear is connected to the rotating shaft, and the pinion gear meshes with the large gear.

Preferably, the forming device includes a forming outer tube and a forming inner tube, the forming outer tube and the forming inner tube are coaxially sleeved and fixed on the frame body, between the forming outer tube and the forming inner tube. The gap formed in the tube body forms the forming area, and the heating device is installed in the forming inner tube.

Preferably, the feed end of the shaped outer tube is designed as a bell mouth, the bell mouth is opposite to the outlet of the silo, and the outer diameter of the shaped inner tube is designed as a diameter-reducing outer wall.

Preferably, the present invention further includes an exhaust system, and the exhaust system is an exhaust slot opened on the molding device.

Preferably, the present invention further includes a density adjustment device, the density adjustment device is arranged below the discharge end of the molding device, and the density adjustment device is installed on the frame.

Preferably, the density adjusting device includes a clamping jaw, a swing rod, a pressure cylinder, a rocker and a pull rod. There are two clamping jaws, and each clamping jaw is installed on a swing rod. The rod and the pressure cylinder are both mounted on a mounting frame, the protruding end of the piston rod of the pressure cylinder is rotatably connected with one end of the rocking rod, and the other end of the rocking rod is respectively rotatable with one end of a pendulum rod and a pull rod Connected, the other end of the pull rod is rotatably connected with another swing rod.

Preferably, the mounting frame includes an upper mounting plate and a lower mounting plate. The clamping jaws, the swing rod and the pressure cylinder are all mounted on the upper mounting plate, and the upper mounting plate is connected to the lower mounting plate through a movable rod. A spring is sleeved on the movable rod between the upper mounting plate and the lower mounting plate, and the lower mounting plate is fixed on the frame body.

Preferably, the present invention further includes a cutting device, the cutting device is arranged below the discharge end of the molding device, and the cutting device is installed on the frame.

Preferably, the cutting device includes knives symmetrically arranged on both sides of the pipe body, and the knives include a knife holder, an air cylinder, and a blade. The air cylinder is installed on the knife holder, and the air cylinder drives the blade to move. The incision is a semicircular incision.

The beneficial effects of the utility model are:

(1) The pipe-making machine includes a silo, a driving device, an extrusion device, a molding device, a heating device, and a frame. The driving device drives the extrusion device to squeeze the pipe-making raw materials into the molding device, and uses heating The device synchronously heats the forming device so that the pipe-making raw material is plasticized and formed at high temperature in the forming device, so it can realize continuous production of flow-through type, and as long as the height is sufficient, the length of the pipe body can be unlimited, so it can meet Different requirements of customers;

(2) A toggle device is provided in the silo, through which the pipe-making raw materials in the silo can be toggled, so that the pipe-making raw materials can evenly and continuously enter the outlet of the silo, so it is guaranteed The extrusion device can continuously squeeze the tube-making raw materials into the forming device to ensure that there will be no problems such as breakage and uneven tube density, and improve the quality of the tube body;

(3) An exhaust system is provided in the molding device, so it can prevent the extrusion device from causing gas to enter the molding device and cannot be discharged normally during the extrusion process, and effectively protect the molding device from firing under high pressure and causing blockage or Damaged molding device;

(4) The pipe making machine is also equipped with a densification device, which clamps the pipe body through the adjustment device, generates resistance and limits the downward movement speed of the pipe, so as to achieve the effect of adjusting the density of the pipe body, so it can be real-time Adjust the density of the pipe to meet the different needs of customers;

(5) The pipe making machine is also equipped with a cutting device, so according to the needs of different customers, the parameters can be set to cut the finished pipe body, so that the length of each pipe body meets the customer's requirements;

(6) The pipe making machine is all electrically controlled, without manual operation, fully automated production, and high efficiency.

The present invention will be further described below with reference to the drawings and embodiments.

Description of the drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the continuous hot-pressing and plasticizing pipe-making machine of the present invention.

Figure 2 is a schematic diagram of the exploded structure of the continuous hot press plasticizing pipe making machine of the present invention.

Fig. 3 is a schematic cross-sectional view of the continuous hot-pressing plasticizing pipe making machine of the present invention.

Fig. 4 is a schematic diagram of the exploded structure of the silo part of the continuous hot compression plasticizing pipe making machine of the present invention.

Fig. 5 is a three-dimensional schematic diagram of the linkage of the driving device, the squeezing device, and the dialing device of the present invention.

Fig. 6 is a schematic diagram of the exploded structure of the molding device of the present invention.

Fig. 7 is a schematic cross-sectional view of the molding device of the present invention.

Fig. 8 is a schematic diagram of the exploded structure of the densification device of the present invention.

Fig. 9 is a schematic diagram of the exploded structure of the cutting device of the present invention.

Detailed ways

As shown in Figures 1 to 3, the continuous hot compression plasticizing pipe making machine of this embodiment includes a silo 1, a driving device 2, an extrusion device 3, a forming device 4, a heating device 5, and a frame 6, wherein the The frame body 6 of the embodiment is a vertical three-layer structure, the driving device 2 of this embodiment is installed on the top layer 61 of the frame body 6, and the silo 1 is installed at a position between the top layer 61 and the middle layer 62 of the frame body 6. The forming device 4 is installed between the middle layer 62 and the bottom layer 63, that is, the process sequence from top to bottom is formed; these three-layer structures are connected by vertical rods 60 into a whole, and corresponding devices are installed on each layer. All positions are provided with a connection position, the connection position can be screw hole, screw seat or clamping position and so on. The extrusion device 3 of this embodiment is installed in the silo 1 and is linked with the driving device 2, and the heating device 5 of this embodiment is provided in the molding device 4. In the working room, the pipe-making raw materials in the silo 1 are squeezed into the molding device 4 under the driving of the extrusion device 3, and are plasticized at a high temperature in the molding device 4 under the action of the heating device 5, and continue with the extrusion device 3 Squeeze downwards, and the finally plasticized tube comes out from the discharge end of the forming device 4. So as long as the height is sufficient, the manufactured tube can be of unlimited length. As the extrusion device 3 continues to squeeze Continue to extend under pressure to achieve continuous production.

As shown in Figure 5, the driving device 2 of this embodiment includes a hydraulic cylinder 21, a stroke frame and a motor 26, wherein the hydraulic cylinder 21 and the motor 26 are mounted on the top layer 61 of the frame body 6, and the piston rod 22 of the hydraulic cylinder 21 faces It extends downward into the silo 1, and the rotating shaft of the motor 26 also extends downwards into the silo 1. The piston rod 22 cooperates with the stroke frame to limit the movement range of the piston rod 22 through the stroke frame. As shown in FIG. 4, the travel frame of this embodiment is positioned at the lower end surface of the top layer 61 of the frame body 6. The travel frame includes a frame seat 23, a limit slot 24 arranged on the frame seat 23, and a limit slot 24. The limit block 25 in the embodiment, the frame seat 23 in this embodiment is cylindrical, the limit block 25 is a cross limit block, and the corresponding limit slot 24 on the frame seat 23 is also a cross limit slot. A connecting hole is provided in the middle of the block 25, and the end of the piston rod 22 is inserted into the connecting hole to be connected with the limiting block 25; four ends of the cross limiting block 25 are also provided with connecting holes, the The extrusion device 3 of the embodiment is a cylindrical extrusion head with a through hole in the middle. The upper end of the extrusion head is also provided with screw holes at the positions corresponding to the four end connection holes of the limit block 25. The extrusion can be realized by bolts. The pressing device 3 is connected with the limiting block 25, and the through hole in the middle of the pressing device 3 allows the bracket 23 to extend, so the up and down stroke of the piston rod 22 is limited by the limiting groove 24, and the piston rod 22 moves The squeezing device 3 is driven to move up and down synchronously, so the lower limit position of the squeezing device 3 can be controlled by the stroke frame. The end of the pressing head of the extrusion device 3 of this embodiment is designed to be stepped 31, so every time the pressing head is pressed into the molding device 4 and then returned, the tube-making raw material in the molding device 4 is squeezed to form a reverse direction. Embryo shape (that is, the same recessed position of the indenter end of the stepped shape 31), the reverse embryo shape can ensure that the pipe making material entering the forming device 4 during the next extrusion is misaligned with the group of pipe making materials The connection increases the connection force between the pipe-making raw materials that are squeezed twice.

As shown in Figures 4 and 5, in order to better concentrate the pipe-making raw materials in the silo 1 at the discharge port 11 of the silo 1, the silo 1 is designed in the direction of the discharge port 11 in this embodiment. It gradually shrinks into a cone-shaped body, and the discharge port 11 is connected to the forming device 4; in addition, the feed port 12 of the silo 1 is opened on the silo wall in the upper position of the silo 1, and the feed port 12 is designed as Slanted. Further in order to avoid the tube-making raw materials in the silo 1 from being continuously pressed into the molding device 4 due to the stacking and dead weight of the tube-making raw materials, this embodiment also includes a toggle device 7 which is installed in In the silo 1, the toggle device 7 is driven by the motor 26 to toggle the pipe-making raw materials in the silo 1. The toggle device 7 of this embodiment includes a large gear 71 and two shift levers 72. The large gear 71 is fixed on the lower end surface of the top layer of the frame 6 through a gear support seat 73, so that the large gear 71 can rotate freely. The upper part of the shift lever 72 is fixed on the large gear 71, the lower half of the shift lever 72 is bent to adapt to the cone-shaped silo 1, the shift lever 72 of this embodiment can also be replaced with a paddle, and There is a small distance between the end of the shift lever 72 and the discharge port 11 of the silo 1, and the space of this distance forms a value material zone; in this embodiment, a pinion 27 is connected to the rotating shaft of the motor 26, and the pinion 27 is connected to the The big gear 71 is meshed, so when the rotating shaft of the motor 26 rotates, the big gear 71 is driven to rotate, so that the lever 72 rotates accordingly to dial the pipe-making raw materials in the silo 1, so that the pipe-making raw materials can evenly and continuously enter the material. The discharge port 11 of the bin 1 ensures that the squeezing device 3 can continuously squeeze the tube-making raw materials into the forming device 4, ensuring that there will be no problems such as breakage, uneven tube density, etc., and improving the quality of the tube body.

As shown in FIG. 6, the molding device 4 of this embodiment includes a molded outer tube 41 and a molded inner tube 42. The molded outer tube 41 and the molded inner tube 42 may be coaxially sleeved and fixed on the frame body 6. In this embodiment, the formed outer tube 41 is connected to the lower end surface of the intermediate layer 62 of the frame body 6, and the formed inner tube 42 is fixed to the frame seat 23 fixed at the lower end surface of the top layer 61 of the frame body 6. Connected, the lower end of the frame base 23 of this embodiment is connected with a connecting pipe 28, the lower end of the connecting pipe 28 is screwed to the upper end of the forming inner pipe 42, and the outer diameters of the connecting pipe 28 and the forming inner pipe 42 are the same. It is also equivalent to the through hole diameter of the extrusion device 3. The gap between the molded outer tube 41 and the molded inner tube 42 after they are fixed together forms the molding area of the tube body, and the width of the gap is the tube wall of the tube body. thickness. The heating device 5 of this embodiment is installed in the forming inner tube 42. The heating device 5 of this embodiment is an electric heating rod. The heating device 5 can heat the forming inner tube 42 by energizing, so that the temperature of the forming inner tube 42 is maintained. In a high temperature state. The feed end of the shaped outer tube 41 of this embodiment is designed as a bell mouth 40, the inclination angle of the bell mouth 40 is 3°-6°, and the bell mouth 40 is opposite to the discharge port 11 of the silo 1; The outer diameter of the molded inner tube 42 of the example is designed to be a reduced-diameter outer wall. The molded inner tube 42 is the end with a smaller outer diameter at the end close to the extrusion device 3, and then gradually becomes larger to reach the molded inner tube 42 When the gap between the molded outer tube 41 and the molded outer tube 41 is slightly smaller than the thickness of the tube body, the outer diameter is maintained for a certain period, and then the outer diameter gradually becomes smaller, and finally the gap between the molded inner tube 42 and the molded outer tube 41 is kept equal to the thickness of the tube body The outer diameter. The diameter reduction ratio of the molded inner tube 42 is 1.1-1.2.

As shown in FIGS. 6 and 7, this embodiment further includes an exhaust system 43, and the exhaust system 43 is an exhaust slit opened on the shaped outer tube 41 and the shaped inner tube 42. Among them, the formed inner tube 42 is provided with segmented vertical vent slits at intervals in the circumferential direction, and the corresponding formed outer tube 41 is also provided with vertical vent slits, and the formed outer tube 41 and the formed inner tube 42 are fixed. The latter two exhaust slits form a misaligned combination, as shown in Figure 7, to ensure the exhaust effect, so it can prevent the extrusion device 3 from entering the molding device 4 during the extrusion process and the gas cannot be discharged normally, effectively protecting the molding The device 4 does not produce a blasting phenomenon under high pressure, which may cause blockage or damage to the molding device 4.

As shown in Figure 8, the compacting device 8 of this embodiment includes two clamping jaws 81, each clamping jaw 81 is mounted on a swing rod 82, one end of the swing rod 82 is connected to the mounting frame by a pin, so the pendulum The rod 82 can swing around the pin; the clamping surface 811 of the clamping jaw 81 is a semicircular surface, and the semicircular surfaces of the two clamps 81 together form a clamping surface for the pipe. The opposite surfaces of the clamping surface 811 are The “V”-shaped surface has a pin hole in the middle position of the “V”-shaped surface, and the corresponding swing rod 82 is also provided with a pin hole. The clamping jaw 81 can be rotated relative to the swing rod 82 by connecting the pin with the pin hole. Therefore, when the two pendulum rods 82 swing toward each other and move closer together, the two clamping jaws 81 are also relatively close together to achieve clamping of the pipe; when the two pendulum rods 82 swing away in the opposite direction, the two clamping jaws 81 also move away relatively, so they are loosened. Open the clamping of the pipe. The compacting device 8 of this embodiment also includes a pressure cylinder 83, a rocker 84 and a tie rod 85. Both ends of the pressure cylinder 83 are fixed on the mounting frame. The protruding end of the piston rod 86 of the pressure cylinder 83 is One end of 84 is rotatably connected, and the other end of the rocker 84 is provided with two connecting ends, which are respectively rotatably connected with the swing end of a pendulum rod 82 and one end of a pull rod 85. The other end of the pull rod 85 is connected to the other pendulum rod. The swing end of the 82 can be rotatably connected. When the piston rod 86 is not extended, the other end of the rocking rod 84 is pushed away from the pressure cylinder 83, that is, driving the swing rod 82 connected to it and the clamping jaw 81 on the swing rod 82 to the other swing rod 82 and clamp The claw 81 moves, and at the same time, the rocker 84 also pulls the rod 85 to move in the direction of the pressure cylinder 83, so the rod 85 also drives the swing rod 82 connected to it and the clamping claw 81 on the swing rod 82 to the other swing rod 82 and clamp The claw 81 moves, so that the two clamping claws 81 are clamped to each other, that is, the pipe is clamped; and when the piston rod 86 extends, the rocker 84 rotates and pulls the swing rod 82 and the swing rod 82 connected to it. The upper clamping jaw 81 is far away from the other pendulum rod 82 and the clamping jaw 81. At the same time, the rocker 84 pushes the pull rod 85 so that the pull rod 85 drives the pendulum rod 82 connected to it and the clamping claw 81 on the pendulum rod 82 is also away from the other pendulum rod. 82 and the clamping jaw 81, so that the two clamping jaws 81 are separated from each other, that is, the clamping of the pipe is loosened. The mounting frame of this embodiment includes an upper mounting plate 87 and a lower mounting plate 88. Both the upper mounting plate 87 and the lower mounting plate 88 have circular holes for pipes to pass through. The two clamping jaws 81 of the adjusting device 8 are symmetrical. Are arranged on both sides of the round hole of the upper mounting plate 87, so the two swing rods 82 are also mounted on the upper mounting plate 87, and the corresponding pressure cylinder 83 is also mounted on the upper mounting plate 87. There are screw holes (not shown in the figure), and four guide posts with inner holes are arranged at the corresponding positions on the upper end surface of the lower mounting plate 88. The mounting frame also includes four movable rods 89 and four springs 80. , The spring 80 is sleeved on the guide post, and one end of the movable rod 89 is provided with a thread, and the other end is provided with a cap 891 larger than the inner hole diameter of the guide post. During installation, the movable rod 89 is installed from the bottom of the plate 88 The bottom of the rod passes through the inner hole of the guide post, and then passes through the inner hole of the spring 80, and then the threaded end is screwed to the screw hole at the bottom of the upper mounting plate 87, so as to realize the connection of the upper mounting plate 87 and the lower mounting plate 88 , And after connection, the upper mounting plate 87 is far away from the lower mounting plate 88 under the elastic force of the spring 80, and its farthest distance is limited by the contact between the cap body 891 of the movable rod 89 and the bottom of the lower mounting plate 88. In addition, a pressure sensor is provided at the position of the spring 80 or the lower mounting plate 88. The pressure sensor can sense the downward pressure of the upper mounting plate 87. The pressure sensor is electrically connected to the pressure cylinder 83 of the transmission device. When the pressure value reaches the set value, the pressure cylinder 83 is controlled to work.

As shown in FIG. 1 or FIG. 2, this embodiment also includes a cutting device 9 arranged below the discharge end of the forming device 4, and the cutting device 9 is installed on the upper end surface of the bottom layer 63 of the frame 6. In order to avoid deformation of the tube body when the tube body is cut, in this embodiment, an extended inner tube 43 is connected to the lower end of the molded inner tube 42 of the molding device 4, and the outer diameter of the elongated inner tube 43 is the same as the outer diameter of the molded inner tube 42, so It can be ensured that the pipe body will not be deformed when the cutting device 9 cuts the pipe. As shown in Figure 9, the cutting device 9 of this embodiment includes knives symmetrically arranged on both sides of the tube. Each tool includes a knife holder 91, a cylinder 92, and a blade 93. On the movable rod 94, the cylinder 92 of this embodiment is a three-axis cylinder. The cylinder 92 is fixed on the frame 6 by screws. The blade 93 is replaceably connected to the tool holder 91. The blade 93 of this embodiment has a half-cut notch. The circular incision is driven by the cylinder 92 to drive the blade 93 to move to the tube body, so as to cut the tube body. Therefore, the tube body length can be cut according to the customer's needs, so that the length of each tube body meets the customer's requirements.

The continuous hot-pressing and plasticizing pipe-making method of the pipe-making machine of the present invention includes the following steps: the driving device 2 is started, and the motor 26 in the silo 1 drives the lever 72 to rotate, thereby turning the pipe-making raw materials in the silo 1 to drop. Enter the material value area; while the motor 26 rotates, the hydraulic cylinder 21 also works synchronously, and the piston rod 22 drives the squeezing device 3 to reciprocate up and down, thereby continuously squeezing the tube-making raw materials into the forming device 4, and the pressing time is about 3s, the rising time is about 3s, and the single pressing process is about 15mm; the heating device 5 starts to heat the forming device 4 when the pipe making machine starts, so that the forming device 4 is in a high temperature state, so the pipe is squeezed into the forming device 4 The raw material begins to be plasticized and formed, and is extruded from the discharge end of the forming device 4 as the extrusion device 3 is continuously pressed; when the length of the extruded forming tube reaches the set standard length, the cutting device 9 starts to cut The tube body is cut off. The pipe-making machine has simple procedures, not only improves the pipe-making efficiency, but also realizes continuous seamless pipe production, which greatly reduces the cost. The made seamless pipe has high compressive strength and can meet high-end requirements.

Although the present invention is described with reference to specific embodiments, this description is not meant to limit the present invention. With reference to the description of the present invention, other changes in the disclosed embodiments are foreseeable by those skilled in the art, and such changes should fall within the scope defined by the appended claims.

Claims

A continuous hot compression plasticizing pipe making machine, which is characterized in that it comprises a silo (1), a driving device (2), an extrusion device (3), a forming device (4), a heating device (5) and a frame ( 6) The silo (1), the driving device (2) and the forming device (4) are installed on the frame (6), the extrusion device (3) is installed in the silo (1) and Linked with the driving device (2), the heating device (5) is arranged in the forming device (4), and the pipe-making raw material in the silo (1) is in the extrusion device (3) It is squeezed into the forming device (4) under the driving of the, and is plasticized into a tube body under the action of the heating device (5).
The continuous hot compression plasticizing pipe making machine according to claim 1, wherein the driving device (2) comprises a hydraulic cylinder (21), and the hydraulic cylinder (21) is mounted on the frame (6) , The piston rod (22) of the hydraulic cylinder (21) extends into the silo (1) and is connected with the extrusion device (3).
The continuous hot compression plasticizing pipe making machine according to claim 2, characterized in that, the driving device (2) further comprises a stroke frame, and the stroke frame is installed at the position of the piston rod (22), so The stroke frame includes a frame seat (23), a limit groove (24) arranged on the frame seat (23), a limit block (25) placed in the limit groove (24), and the piston rod (22) The end of) is connected with the limiting block (25), and the pressing device (3) is connected with the limiting block (25).
The continuous hot compression plasticizing pipe making machine according to claim 1 or 2, characterized in that the silo (1) gradually shrinks toward the discharge port (11) to form a cone-shaped body, and the discharge port ( 11) It is opposite to the forming device (4), and the feed port (12) of the silo (1) is opened on the silo wall at the middle and upper position of the silo (1).
The continuous hot compression plasticizing pipe making machine according to any one of claims 1-3, characterized in that it further comprises a toggle device (7), and the toggle device (7) is installed in the silo In (1), the driving device (2) further includes a motor (26), and the motor (26) is linked with the toggle device (7).
The continuous hot compression plasticizing pipe making machine according to claim 5, characterized in that the toggle device (7) comprises a large gear (71) and at least one toggle lever (72), the toggle lever (72) ) Is fixedly connected to the large gear (71), the motor (26) is mounted on the frame (6) and the shaft of the motor (26) extends into the silo (1), the A small gear (27) is connected to the rotating shaft, and the small gear (27) meshes with the large gear (71).
The continuous hot compression plasticizing pipe making machine according to claim 1, wherein the forming device (4) comprises a forming outer tube (41) and a forming inner tube (42), and the forming outer tube (41) ) And the shaped inner tube (42) are coaxially sleeved and fixed on the frame (6). The gap between the shaped outer tube (41) and the shaped inner tube (42) forms the forming area of the tube body, The heating device (5) is installed in the molded inner tube (42).
The continuous hot compression plasticizing pipe making machine according to claim 7, characterized in that the feed end of the shaped outer pipe (41) is designed as a bell mouth (40), and the bell mouth (40) is connected to the bell mouth (40). The discharge port (11) of the silo (1) is opposite to each other, and the outer diameter of the shaped inner tube (42) is designed to be a variable diameter outer diameter.
The continuous hot compression plasticizing pipe making machine according to claim 1 or 7 or 8, characterized in that it further comprises an exhaust system (43), and the exhaust system (43) is provided in the forming device ( 4) On the exhaust slit.
The continuous hot compression plasticizing pipe making machine according to claim 1, further comprising a densification device (8), and the densification device (8) is arranged at the discharge of the forming device (4). Below the end, the density adjusting device (8) is installed on the frame (6).
The continuous hot compression plasticizing pipe making machine according to claim 10, characterized in that the densification device (8) includes a clamping jaw (81), a swing rod (82), a pressure cylinder (83), and a rocker (84) and pull rod (85), the clamping jaws (81) are provided with two, each clamping jaw (81) is mounted on a swing rod (82), the clamping jaw (81), the swing rod (82) ) And the pressure cylinder (83) are installed on a mounting frame, the protruding end of the piston rod (86) of the pressure cylinder (83) is rotatably connected with one end of the rocking rod (84), and the rocking rod (84) The other end of) is respectively rotatably connected with one end of a swing rod (82) and a pull rod (85), and the other end of the pull rod (85) is rotatably connected with another swing rod (82).
The continuous hot compression plasticizing pipe making machine according to claim 11, wherein the mounting frame includes an upper mounting plate (87) and a lower mounting plate (88), and the clamping jaws (81) and the swing rod (82) and the pressure cylinder (83) are both installed on the upper mounting plate (87), the upper mounting plate (87) is connected to the lower mounting plate (88) through a movable rod (89), and the upper mounting plate (87) A spring (80) is sleeved on the movable rod (89) between the lower mounting plate (88) and the lower mounting plate (88) is fixed on the frame body (6).
The continuous hot compression plasticizing pipe making machine according to claim 1, further comprising a cutting device (9), and the cutting device (9) is installed at the lowermost end of the frame (6).
The continuous hot compression plasticizing pipe making machine according to claim 13, characterized in that the cutting device (9) includes knives arranged symmetrically on both sides of the pipe body, and the knives include a knife holder (91), The air cylinder (92) and the blade (93), the knife holder is mounted on the movable rod (94) of the air cylinder (92), the air cylinder (92) drives the blade (93) to move, and the blade (93) has an incision Semicircular cut.