Preparation device and preparation method of PVC modified material

Abstract

The invention discloses a preparation device and a preparation method of a PVC modified material, and relates to the technical field of PVC material preparation, the preparation device comprises a connecting bottom plate, and a water supplementing and cooling mechanism is mounted in a water storage tank. The water supplementing and cooling mechanism is installed, a second temperature sensor and a third temperature sensor detect the temperature of cooling water at the top and the bottom of the water storage tank correspondingly, a water level sensor detects the water level of the cooling water in the water storage tank, and when one of the cooling water temperatures detected by the second temperature sensor and the third temperature sensor exceeds a set safety value, the water supplementing and cooling mechanism is started; when the water level sensor detects that the water level of the cooling water in the water storage tank is lower than the lowest water level, the flow speed of the cooling water inlet pipeline and the flow speed of the cooling water outlet pipeline are adjusted, so that the flow speed of the cooling water inlet pipeline is larger than that of the cooling water outlet pipeline; on the contrary, the temperature and flow velocity of the cooling water can be adjusted at any time according to the melting temperature requirement.

Description

Technical Field

[0001] The invention relates to the technical field of PVC material preparation, in particular to a preparation device and a preparation method of a PVC modified material. Background Art

[0002] The raw materials for the preparation of PVC materials include PVC resin, stabilizers, lubricants, fillers and pigments, etc. These materials are mixed in precise proportions to ensure that the performance and quality of the final product meet the requirements. These raw materials are then mixed, and additives are added during the mixing process to adjust the performance and appearance of the PVC. Finally, it is converted into a melt through the plasticization process to facilitate the subsequent extrusion and molding processes; The traditional PVC material preparation device cannot ensure that the temperature of the water cooling layer is appropriate, nor can it continuously supply water, and cannot accurately adjust the melting temperature of the prepared material, which easily leads to the melting temperature being too high or too low, thereby affecting the quality of the final PVC modified material. The PVC material preparation device of the present application can ensure that the temperature of the water cooling layer is appropriate, and can continuously supply water, can conveniently adjust the cooling water temperature and the cooling water flow rate, can accurately adjust the melting temperature of the prepared material, thereby improving the melting efficiency, and ensuring that the raw materials for preparing the PVC modified material are melted and mixed under the optimal temperature conditions, so as to obtain better physical and chemical properties, and improve the preparation efficiency and preparation quality of the PVC modified material.

[0003] The defects of the existing PVC material preparation device are: 1. Patent document CN111320007B discloses a raw material mixing device and a mixing method for PVC production. The document mainly considers how to improve the mixing efficiency of PVC raw materials, but does not consider how to ensure that the temperature of the water cooling layer is appropriate and that water can be continuously supplied, thereby improving the melting efficiency; 2. Patent document CN108000743B discloses a mixing and stirring device for PVC production. The document mainly considers the problem of how to effectively mix the materials, but does not consider how to accurately adjust the melting temperature of the prepared materials to improve the preparation efficiency of PVC modified materials; 3. Patent document CN102911453B discloses a high-impact PVC / ABS pipe and a preparation method thereof. The document mainly considers how to improve the impact resistance of PVC / ABS pipes, but does not consider how to improve the efficiency of molten material transportation and ensure that the materials required for the production of PVC modified materials are fully heated; 4. Patent document CN116870841B discloses a reactor, which mainly considers how to avoid the continuous accumulation of solid PVC hindering the polymerization reaction of liquid VCM, but does not consider how to replace the discharge port to meet the preparation of PVC modified materials of different sizes. Summary of the invention

[0004] The object of the present invention is to provide a preparation device and a preparation method of a PVC modified material to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a preparation device for PVC modified materials, comprising a connecting bottom plate, the top of the connecting bottom plate is connected to a water storage tank, the top of the water storage tank is connected to a water inlet pipe 1, one end of the water inlet pipe 1 is connected to a water pump 1, the output end of the water pump 1 is connected to a water inlet pipe 2, and one end of the water inlet pipe 2 is connected to the top of a circulating water cooling layer, the back of the circulating water cooling layer is connected to a water outlet pipe 1, one end of the water outlet pipe 1 is connected to a water pump 2, the output end of the water pump 2 is connected to a water outlet pipe 2, and one end of the water outlet pipe 2 is connected to the back of the water storage tank, and a water replenishment and cooling mechanism is installed inside the water storage tank; The water replenishment and cooling mechanism includes temperature sensor 2, temperature sensor 3 and a water level sensor connected to the inner wall of the water tank, and temperature sensor 2 is located above temperature sensor 3, and the water level sensor is located on the opposite side of temperature sensor 2. The other end of the water inlet pipe 1 is connected to a circulating cooling pipe, and the circulating cooling pipe is located inside the water tank, the output end of the circulating cooling pipe is connected to one end of the water outlet pipe 2, the top of the water tank is connected to a cooling water inlet pipe, and one side of the water tank is connected to a cooling water outlet pipe.

[0006] Preferably, a protective body is connected to the top of the connecting base plate, a temperature regulating mechanism, a melt conveying mechanism and a speed regulating mechanism are installed inside the protective body, and the melt conveying mechanism is located on the inner side of the temperature regulating mechanism; a disassembly regulating mechanism is installed on one side of the protective body, and the speed regulating mechanism is located between the melt conveying mechanism and the disassembly regulating mechanism.

[0007] Preferably, the temperature regulating mechanism includes a circulating water cooling layer connected to the inside of the protective body, the inner side of the circulating water cooling layer is connected to a heating layer, the inner side of the heating layer is connected to an electric heating wire, a preparation chamber is opened inside the protective body, and the preparation chamber is located on the inner side of the heating layer, and the bottom wall of the preparation chamber is connected to a temperature sensor.

[0008] Preferably, the melt conveying mechanism includes two groups of servo motors one connected to the inside of the protective body, the output end of the servo motor one is connected to a conical screw, one end of the conical screw is connected to a cylindrical screw, and the speed regulation mechanism includes a servo motor two connected to the top of the protective body, the output end of the servo motor two is connected to a rotating shaft one, and the bottom end of the rotating shaft one is connected to the bottom wall of the preparation chamber through a shaft, and the outer side of the rotating shaft one is connected to evenly arranged rotating fan blades.

[0009] Preferably, the disassembly adjustment mechanism includes a discharge pipe connected to the inside of the protective body, a mountain-shaped fixing groove is opened inside the protective body, a fixing block is connected to the inside of the mountain-shaped fixing groove by bolts, and the fixing block passes through the discharge pipe.

[0010] Preferably, the top of the connecting bottom plate is connected to a support frame, the top of the support frame is installed with a control mechanism and a stirring and feeding mechanism, and the stirring and feeding mechanism is located on one side of the control mechanism.

[0011] Preferably, the control mechanism includes a controller connected to the top of the support frame, the controller is electrically connected to temperature sensor 1, temperature sensor 2, temperature sensor 3 and water level sensor, the front of the controller is connected to a touch screen, the touch screen is used to receive and display top detection data of temperature sensor 1, temperature sensor 2, temperature sensor 3 and water level sensor, the top of the controller is connected to an emergency alarm light, the side of the controller is connected to an emergency brake button, a device switch and a buzzer alarm, the emergency brake button is located above the device switch, and the buzzer alarm is located in front of the emergency brake button and the device switch.

[0012] Preferably, the stirring and feeding mechanism includes a feeding pipe 1 connected to the top of the support frame, the bottom of the feeding pipe 1 is connected to a feeding pipe 2, and the feeding pipe 2 passes through the support frame and the protective body, the bottom end of the feeding pipe 2 is connected to the top wall of the preparation chamber, one end of the feeding pipe 1 is connected to a servo motor 3, the output end of the servo motor 3 is connected to a feeding impeller, the top of the feeding pipe 1 is connected to a mixing drum, the top of the mixing drum is connected to a reducer, the input end of the reducer is connected to a servo motor 4, the output end of the reducer is connected to a rotating shaft 2, the outside of the rotating shaft 2 is connected to evenly arranged stirring rods, the top of the mixing drum is connected to a modifier injection port and a preparation raw material injection port, and the modifier injection port and the preparation raw material injection port are respectively located on both sides of the reducer, and the front of the mixing drum is connected to an observation window.

[0013] Preferably, the method for using the PVC modified material preparation device is as follows: S1. Put the modifier and the raw materials into the stirring and feeding mechanism, stir them fully, and then transport them to the preparation room; S2, the mixed material is then transported to the inner side of the temperature regulating mechanism through the melt conveying mechanism, the mixed material is heated by the temperature regulating mechanism to be in a molten state, and finally the molten mixed material is discharged from the discharge pipe; S3, adjusting the cooling water temperature inside the circulating water cooling layer through the water supply and cooling mechanism; S4. Replace the discharge pipe by disassembling the adjustment mechanism to meet the production of PVC modified materials of different sizes.

[0014] Preferably, in said S1, the following steps are also included: S11, adding the modifier and the prepared raw material into the mixing drum from the modifier injection port and the prepared raw material injection port respectively, the reducer and the servo motor 4 cooperate to start and adjust the rotation speed of the rotating shaft 2, and the stirring rod fully stirs the modifier and the prepared raw material to make the modifier and the prepared raw material mixed evenly; S12, the mixed raw materials enter the feeding pipe 1, the servo motor 3 is started to drive the feeding impeller to rotate, and the feeding impeller transports the mixed material inside the feeding pipe 1 to the feeding pipe 2 and transports it downward to the inside of the melting chamber; In said S2, the following steps are also included: S21, the temperature sensor detects the temperature inside the preparation chamber in real time, and the detected temperature data is displayed on the touch screen; S22, start two sets of servo motors 1, and the mixed material is transported to the inner side of the heating layer under the action of the two rotating conical screws and cylindrical screws, and start the heating wire inside the heating layer to increase the temperature of the preparation chamber, so that the mixed material is transformed into a molten state. The molten mixed material is successively transported by the conical screw and the cylindrical screw, and is continuously squeezed to one side, and finally discharged through the discharge pipe; S23, when the temperature of the preparation room needs to be lowered, water pump 1 is started, and the cooling water inside the circulating cooling pipe enters the circulating water cooling layer through water inlet pipe 1, water pump 1 and water inlet pipe 2 to cool the preparation room, and then the used cooling water is discharged from the circulating water cooling layer through water outlet pipe 1, water pump 2 and water outlet pipe 2, and re-enters the circulating cooling pipe; In said S3, the following steps are also included: S31, temperature sensor 2 and temperature sensor 3 detect the cooling water temperature at the top and bottom of the water tank respectively, the water level sensor detects the cooling water level inside the water tank, and transmits the detected cooling water temperature and water level data to the control mechanism, and the cooling water temperature and water level data information is displayed on the touch screen; S32, when the cooling water temperature at the top and bottom of the water tank detected by the temperature sensor 2 and the temperature sensor 3 exceeds the set safety value, open the cooling water inlet pipe and the cooling water outlet pipe, replace the cooling water inside the water tank, and ensure that the cooling water temperature meets the cooling demand; S33, when the water level sensor detects that the cooling water level inside the water storage tank is lower than the minimum water level, adjust the flow rate of the cooling water inlet pipe and the cooling water outlet pipe so that the flow rate of the cooling water inlet pipe is greater than the flow rate of the cooling water outlet pipe, otherwise, adjust the flow rate of the cooling water inlet pipe and the cooling water outlet pipe so that the flow rate of the cooling water inlet pipe is less than the flow rate of the cooling water outlet pipe, until the water level sensor detects that the cooling water level inside the water storage tank reaches the minimum water level or exceeds the minimum water level but is still at a safe water level, and then close the cooling water inlet pipe and the cooling water outlet pipe; In said S4, the following steps are also included: S41, after removing the bolts fixing the fixing block on one side of the protective body, take out the fixing block connected inside the mountain-shaped fixing groove. At this time, the discharge pipe loses its fixing structure, and the discharge pipe is taken out; S42. Then, according to production needs, a new discharge pipe is connected to the inside of the protective body, and the fixing block is connected to the inside of the mountain-shaped fixing groove by bolts.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention is equipped with a water replenishment and cooling mechanism. The temperature sensor 2 and the temperature sensor 3 respectively detect the cooling water temperatures at the top and bottom of the water tank, and the water level sensor detects the cooling water level inside the water tank. When the cooling water temperatures at the top and bottom of the water tank detected by the temperature sensor 2 and the temperature sensor 3 exceed the set safety value, the cooling water inlet pipe and the cooling water outlet pipe are opened, and the cooling water inside the water tank is replaced to ensure that the cooling water temperature meets the cooling demand. When the water level sensor detects that the cooling water level inside the water tank is lower than the minimum water level, the flow rates of the cooling water inlet pipe and the cooling water outlet pipe are adjusted to make the flow rate of the cooling water inlet pipe greater than the flow rate of the cooling water outlet pipe. Conversely, the cooling water temperature and flow rate can be adjusted at any time according to the melting temperature demand. The problem of how to ensure that the temperature of the water cooling layer is appropriate and can continuously supply water, thereby improving the melting efficiency, ensuring that the raw materials for preparing the PVC modified material are melted and mixed under the optimal temperature conditions, thereby obtaining better physical and chemical properties, and improving the preparation efficiency and preparation quality of the PVC modified material.

[0016] 2. The present invention is equipped with a temperature regulating mechanism, and a temperature sensor detects the temperature inside the preparation chamber in real time. The detected temperature data is displayed on the touch screen. The mixed material is transported to the inner side of the heating layer, and the electric heating wire inside the heating layer is started to increase the temperature of the preparation chamber. Under the combined effect of the heating of the preparation chamber and the strong stirring of the mixed material by the conical screw and the cylindrical screw and the inner wall of the preparation chamber, the temperature of the mixed material continues to increase until it reaches the melting point and begins to melt, thereby converting the mixed material into a molten state. The temperature inside the preparation chamber can be intuitively understood according to the temperature displayed by the temperature sensor, so as to achieve the purpose of quickly and accurately adjusting the melting temperature by adjusting the flow rate of the electric heating wire and the cooling water, and can solve the problem of how to accurately adjust the melting temperature of the prepared material, thereby improving the preparation efficiency of the PVC modified material, and preventing the melting temperature from being too high or too low, thereby affecting the quality of the final PVC modified material.

[0017] 3. The present invention is equipped with a melt conveying mechanism, and two groups of servo motors are started. Under the action of the rotating conical screw and cylindrical screw, the mixed material is conveyed to one side through the friction between the inner wall of the preparation chamber and the conical screw and the surface of the cylindrical screw. As the depth of the conical screw groove gradually becomes shallower, the mixed material gradually forms a high pressure and is further compacted. At the same time, the two groups of conical screws and cylindrical screws rotate towards each other, gradually dispersing, conveying and compacting the mixed material in the middle, ensuring that the mixed material is fully heated. This can solve the problem of how to improve the efficiency of molten material conveying and ensure that the materials required for the production of PVC modified materials are fully heated.

[0018] 4. The present invention is equipped with a disassembly adjustment mechanism. After removing the bolts of the fixing block on one side of the protective body, the fixing block connected inside the mountain-shaped fixing groove is taken out. At this time, the discharge pipe loses its fixing structure. The discharge pipe is taken out, and then a new discharge pipe is connected to the inside of the protective body according to production needs, and the fixing block is connected to the inside of the mountain-shaped fixing groove by bolts. This can solve the problem of how to replace the discharge port, thereby meeting the preparation of PVC modified materials of different sizes, improving the adaptability of the preparation device of the PVC modified material, and expanding the application range of the preparation device of the PVC modified material. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a front structural schematic diagram of the present invention; Figure 3 It is a front cross-sectional structural schematic diagram of the present invention; Figure 4 It is a schematic diagram of a top cross-sectional structure of the present invention; Figure 5 It is a schematic diagram of the assembly structure of the disassembly adjustment mechanism of the present invention; Figure 6 It is a schematic diagram of the structure of the water replenishment and cooling mechanism of the present invention; Figure 7 It is a schematic diagram of the structure of the second rotating shaft and the stirring rod of the present invention; Figure 8 It is the work flow chart of the present invention.

[0020] In the figure: 1. connecting bottom plate; 2. protective body; 3. circulating water cooling layer; 4. heating layer; 5. electric heating wire; 6. preparation chamber; 7. temperature sensor 1; 8. water storage tank; 9. water pump 1; 10. water pump 2; 11. conical screw; 12. cylindrical screw; 13. rotating shaft 1; 14. rotating fan blade; 15. feeding pipe 1; 16. feeding pipe 2; 17. discharge pipe; 18. mountain-shaped fixing groove; 19. fixing block; 20. support frame; 21. controller; 22. touch screen; 23. emergency alarm light; 24. emergency brake button; 25. device switch; 26. buzzer alarm; 27. feeding impeller; 28. mixing drum; 29. ​​reducer; 30. rotating shaft 2; 31. stirring rod; 32. temperature sensor 2; 33. temperature sensor 3; 34. water level sensor; 35. circulating cooling pipeline. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1 , Figure 4 , Figure 6 and Figure 8 , an embodiment provided by the present invention: a preparation device of PVC modified material, comprising a connecting bottom plate 1, the top of the connecting bottom plate 1 is connected to a water storage tank 8, the top of the water storage tank 8 is connected to a water inlet pipe 1, one end of the water inlet pipe 1 is connected to a water pump 1 9, the output end of the water pump 1 9 is connected to a water inlet pipe 2, and one end of the water inlet pipe 2 is connected to the top of the circulating water cooling layer 3, the back of the circulating water cooling layer 3 is connected to a water outlet pipe 1, one end of the water outlet pipe 1 is connected to a water pump 2 10, the output end of the water pump 2 10 is connected to a water outlet pipe 2, and one end of the water outlet pipe 2 is connected to the back of the water storage tank 8, and a water replenishment and cooling mechanism is installed inside the water storage tank 8; The water replenishment and cooling mechanism includes a temperature sensor 2 32, a temperature sensor 33 and a water level sensor 34 connected to the inner wall of the water tank 8, and the temperature sensor 2 32 is located above the temperature sensor 33, and the water level sensor 34 is located on the opposite side of the temperature sensor 2 32. The other end of the water inlet pipe 1 is connected to a circulating cooling pipe 35, and the circulating cooling pipe 35 is located inside the water tank 8. The output end of the circulating cooling pipe 35 is connected to one end of the water outlet pipe 2. The top of the water tank 8 is connected to a cooling water inlet pipe, and one side of the water tank 8 is connected to a cooling water outlet pipe.

[0025] Further, the water pump 1 9 is started, and the cooling water in the circulating cooling pipe 35 enters the circulating water cooling layer 3 through the water inlet pipe 1, the water pump 1 9 and the water inlet pipe 2 to cool the preparation chamber 6. Then, the used cooling water is discharged from the circulating water cooling layer 3 through the water outlet pipe 1, the water pump 2 10 and the water outlet pipe 2, and re-enters the circulating cooling pipe 35; The temperature sensor 2 32 and the temperature sensor 3 33 detect the cooling water temperature at the top and bottom of the water tank 8 respectively, and the water level sensor 34 detects the cooling water level inside the water tank 8, and transmits the detected cooling water temperature and water level data to the control mechanism, and the cooling water temperature and water level data information is displayed by the touch screen 22; When the cooling water temperature at the top and bottom of the water tank 8 detected by the temperature sensor 2 32 and the temperature sensor 3 33 exceeds the set safety value, the cooling water inlet pipe and the cooling water outlet pipe are opened to replace the cooling water inside the water tank 8 to ensure that the cooling water temperature meets the cooling demand; When the water level sensor 34 detects that the cooling water level inside the water tank 8 is lower than the minimum water level, the flow rates of the cooling water inlet pipe and the cooling water outlet pipe are adjusted so that the flow rate of the cooling water inlet pipe is greater than the flow rate of the cooling water outlet pipe. Conversely, the flow rates of the cooling water inlet pipe and the cooling water outlet pipe are adjusted so that the flow rate of the cooling water inlet pipe is less than the flow rate of the cooling water outlet pipe. Until the water level sensor 34 detects that the cooling water level inside the water tank 8 reaches the minimum water level or exceeds the minimum water level but is still at a safe water level, the cooling water inlet pipe and the cooling water outlet pipe are closed.

[0026] See also Figure 1 and Figure 2 An embodiment of the present invention is: a preparation device for PVC modified materials, wherein the top of the connecting bottom plate 1 is connected to a protective body 2, a temperature regulating mechanism, a melt conveying mechanism and a speed regulating mechanism are installed inside the protective body 2, and the melt conveying mechanism is located on the inner side of the temperature regulating mechanism, a disassembly regulating mechanism is installed on one side of the protective body 2, and the speed regulating mechanism is located between the melt conveying mechanism and the disassembly regulating mechanism.

[0027] Furthermore, the connecting bottom plate 1 fixes the protective body 2 connected to the top to ensure the stability of the protective body 2, and the protective body 2 fixes the temperature regulating mechanism, melt conveying mechanism and speed regulating mechanism installed inside to ensure the stability of the temperature regulating mechanism, melt conveying mechanism and speed regulating mechanism.

[0028] See also Figure 3 , Figure 4 and Figure 5 An embodiment of the present invention is: a preparation device for PVC modified materials, the temperature regulating mechanism includes a circulating water cooling layer 3 connected to the inside of a protective body 2, the inner side of the circulating water cooling layer 3 is connected to a heating layer 4, the inside of the heating layer 4 is connected to a heating wire 5, a preparation chamber 6 is opened inside the protective body 2, and the preparation chamber 6 is located on the inner side of the heating layer 4, and the bottom wall of the preparation chamber 6 is connected to a temperature sensor 7.

[0029] The melt conveying mechanism includes two groups of servo motors 1 connected to the inside of the protective body 2, the output end of the servo motor 1 is connected to a conical screw 11, one end of the conical screw 11 is connected to a cylindrical screw 12, and the speed regulation mechanism includes a servo motor 2 connected to the top of the protective body 2, the output end of the servo motor 2 is connected to a rotating shaft 13, and the bottom end of the rotating shaft 13 is connected to the bottom wall of the preparation chamber 6 through a shaft, and the outer side of the rotating shaft 13 is connected to evenly arranged rotating fan blades 14.

[0030] Further, the two servo motors 1 are started, and the mixed material is transported to one side by the friction between the inner wall of the preparation chamber 6 and the surfaces of the conical screw 11 and the cylindrical screw 12 under the action of the two rotating conical screws 11 and the cylindrical screw 12. As the depth of the groove of the conical screw 11 gradually becomes shallower, the mixed material gradually forms a high pressure and is further compacted. The mixed material is conveyed to the inner side of the heating layer 4, and the electric heating wire 5 inside the heating layer 4 is started to increase the temperature of the preparation chamber 6. Under the combined effect of the heating of the preparation chamber 6 and the strong stirring of the mixed material by the conical screw 11 and the cylindrical screw 12 and the inner wall of the preparation chamber 6, the temperature of the mixed material continues to rise until it reaches the melting point and begins to melt, thereby converting the mixed material into a molten state. Subsequently, the servo motor 2 is started, and the rotating shaft 13 drives the rotating blades 14 to start rotating. By adjusting the rotation speed of the servo motor 2, the rotation speed of the rotating blades 14 is changed, thereby changing the speed at which the molten material is extruded from the preparation chamber 6.

[0031] See also Figure 5 An embodiment of the present invention is: a preparation device for PVC modified materials, the disassembly and adjustment mechanism includes a discharge pipe 17 connected to the inside of the protective body 2, a mountain-shaped fixing groove 18 is opened inside the protective body 2, a fixing block 19 is connected to the inside of the mountain-shaped fixing groove 18 by bolts, and the fixing block 19 passes through the discharge pipe 17.

[0032] Furthermore, after removing the bolts fixing the fixing block 19 on one side of the protective body 2, take out the fixing block 19 connected inside the mountain-shaped fixing groove 18. At this time, the discharge pipe 17 loses its fixing structure, and the discharge pipe 17 is taken out. Then, according to production needs, the new discharge pipe 17 is connected to the inside of the protective body 2, and the fixing block 19 is connected to the inside of the mountain-shaped fixing groove 18 by bolts.

[0033] See also Figure 1 and Figure 2 An embodiment of the present invention provides: a preparation device for PVC modified materials, wherein the top of the connecting base plate 1 is connected to a support frame 20, and the top of the support frame 20 is installed with a control mechanism and a stirring and feeding mechanism, and the stirring and feeding mechanism is located on one side of the control mechanism.

[0034] Furthermore, the connecting bottom plate 1 fixes the support frame 20 connected to the top to ensure the stability of the support frame 20, and the support frame 20 fixes the control mechanism and the stirring and feeding mechanism installed on the top to ensure the stability of the control mechanism and the stirring and feeding mechanism.

[0035] See also Figure 1 and Figure 2 An embodiment of the present invention is: a preparation device for PVC modified materials, wherein the control mechanism includes a controller 21 connected to the top of a support frame 20, the controller 21 is electrically connected to a temperature sensor 1 7, a temperature sensor 2 32, a temperature sensor 3 33 and a water level sensor 34, a touch screen 22 is connected to the front of the controller 21, and the touch screen 22 is used to receive and display the top detection data of the temperature sensor 1 7, the temperature sensor 2 32, the temperature sensor 3 33 and the water level sensor 34, an emergency alarm light 23 is connected to the top of the controller 21, an emergency brake button 24, a device switch 25 and a buzzer alarm 26 are connected to the side of the controller 21, and the emergency brake button 24 is located above the device switch 25, and the buzzer alarm 26 is located on the front of the emergency brake button 24 and the device switch 25.

[0036] Furthermore, the controller 21 receives temperature and water level data information measured by the temperature sensor 1 7, the temperature sensor 2 32, the temperature sensor 3 33 and the water level sensor 34, and displays the data information on the touch screen 22 for the operator to view. The emergency alarm light 23 and the buzzer alarm 26 will start flashing and sounding when the preparation device of the PVC modified material fails, so as to warn the operator to check the preparation device in time, take emergency measures and repair the preparation device. The device switch 25 is used to open and close the preparation device of the PVC modified material. When the preparation device of the PVC modified material cannot be closed by the device switch 25, the preparation device can be closed by the emergency brake button 24.

[0037] See also Figure 1 , Figure 2 , Figure 3 and Figure 7, an embodiment provided by the present invention: a preparation device for PVC modified materials, the stirring and feeding mechanism includes a feeding pipe 15 connected to the top of a support frame 20, the bottom of the feeding pipe 15 is connected to a feeding pipe 2 16, and the feeding pipe 2 16 penetrates the support frame 20 and the protective body 2, the bottom end of the feeding pipe 2 16 is connected to the top wall of the preparation chamber 6, one end of the feeding pipe 15 is connected to a servo motor 3, the output end of the servo motor 3 is connected to a feeding impeller 27, the top of the feeding pipe 15 is connected to a mixing drum 28, the top of the mixing drum 28 is connected to a reducer 29, the input end of the reducer 29 is connected to a servo motor 4, the output end of the reducer 29 is connected to a rotating shaft 2 30, the outer side of the rotating shaft 2 30 is connected to uniformly arranged stirring rods 31, the top of the mixing drum 28 is connected to a modifier injection port and a preparation raw material injection port, and the modifier injection port and the preparation raw material injection port are respectively located on both sides of the reducer 29, and the front of the mixing drum 28 is connected to an observation window.

[0038] Further, the modifier and the raw material are added into the mixing drum 28 from the modifier injection port and the raw material injection port, respectively, the reducer 29 and the servo motor 4 cooperate to start and adjust the rotation speed of the rotating shaft 2 30, and the stirring rod 31 fully stirs the modifier and the raw material to make the modifier and the raw material mixed evenly; The mixed prepared raw materials enter the feeding pipe 1 15 , and the servo motor 3 is started to drive the feeding impeller 27 to rotate. The feeding impeller 27 transports the mixed material inside the feeding pipe 1 15 to the feeding pipe 2 16 and transports it downward to the inside of the melting chamber 6 .

[0039] Further, the method for using the PVC modified material preparation device is as follows: S1, putting the modifier and the preparation raw materials into the stirring and feeding mechanism, stirring them fully, and then conveying them to the preparation chamber 6; S2, the mixed material is then transported to the inner side of the temperature regulating mechanism through the melt conveying mechanism, the mixed material is heated by the temperature regulating mechanism to be in a molten state, and finally the molten mixed material is discharged from the discharge pipe 17; S3, adjusting the cooling water temperature inside the circulating water cooling layer 3 through the water supply and cooling mechanism; S4. Replace the discharge pipe 17 by disassembling the adjustment mechanism to meet the production of PVC modified materials of different sizes.

[0040] Furthermore, in said S1, the following steps are also included: S11, the modifier and the raw material are added into the mixing drum 28 from the modifier injection port and the raw material injection port respectively, the reducer 29 and the servo motor 4 cooperate to start and adjust the rotation speed of the rotating shaft 2 30, and the stirring rod 31 fully stirs the modifier and the raw material to make the modifier and the raw material mixed evenly; S12, the mixed raw materials enter the feeding pipe 1 15, the servo motor 3 is started to drive the feeding impeller 27 to rotate, and the feeding impeller 27 transports the mixed material inside the feeding pipe 1 15 to the feeding pipe 2 16 and transports it downward to the inside of the melting chamber 6; In said S2, the following steps are also included: S21, the temperature sensor 7 detects the temperature inside the preparation chamber 6 in real time, and the detected temperature data is displayed on the touch screen 22; S22, start two sets of servo motors 1, and the mixed material is transported to the inner side of the heating layer 4 under the action of the two rotating conical screws 11 and the cylindrical screw 12, and the electric heating wire 5 inside the heating layer 4 is started to increase the temperature of the preparation chamber 6, so that the mixed material is transformed into a molten state. The molten mixed material is successively transported by the conical screw 11 and the cylindrical screw 12, and is continuously squeezed to one side, and finally discharged through the discharge pipe 17; S23, when it is necessary to lower the temperature of the preparation chamber 6, start the water pump 1 9, and the cooling water in the circulating cooling pipe 35 enters the circulating water cooling layer 3 through the water inlet pipe 1, the water pump 1 9 and the water inlet pipe 2 to cool the preparation chamber 6, and then the used cooling water is discharged from the circulating water cooling layer 3 through the water outlet pipe 1, the water pump 2 10 and the water outlet pipe 2, and re-enters the circulating cooling pipe 35; In said S3, the following steps are also included: S31, temperature sensor 2 32 and temperature sensor 3 33 detect the cooling water temperature at the top and bottom of the water storage tank 8 respectively, the water level sensor 34 detects the cooling water level inside the water storage tank 8, and transmits the detected cooling water temperature and water level data to the control mechanism, and the cooling water temperature and water level data information is displayed by the touch screen 22; S32, when the cooling water temperature at the top and bottom of the water storage tank 8 detected by the temperature sensor 2 32 and the temperature sensor 3 33 exceeds the set safety value, open the cooling water inlet pipe and the cooling water outlet pipe, replace the cooling water inside the water storage tank 8, and ensure that the cooling water temperature meets the cooling demand; S33, when the water level sensor 34 detects that the cooling water level inside the water storage tank 8 is lower than the minimum water level, the flow rates of the cooling water inlet pipe and the cooling water outlet pipe are adjusted so that the flow rate of the cooling water inlet pipe is greater than the flow rate of the cooling water outlet pipe. Conversely, the flow rates of the cooling water inlet pipe and the cooling water outlet pipe are adjusted so that the flow rate of the cooling water inlet pipe is less than the flow rate of the cooling water outlet pipe. After the water level sensor 34 detects that the cooling water level inside the water storage tank 8 reaches the minimum water level or exceeds the minimum water level but is still at a safe water level, the cooling water inlet pipe and the cooling water outlet pipe are closed. In said S4, the following steps are also included: S41, after removing the bolts fixing the fixing block 19 on one side of the protective body 2, take out the fixing block 19 connected inside the mountain-shaped fixing groove 18, at this time the discharge pipe 17 loses its fixing structure, and the discharge pipe 17 is taken out; S42. Then, according to production requirements, a new discharge pipe 17 is connected to the inside of the protective body 2, and the fixing block 19 is connected to the inside of the mountain-shaped fixing groove 18 by bolts.

[0041] Working principle: The modifier and the raw material are respectively added into the mixing drum 28 from the modifier injection port and the raw material injection port, the reducer 29 and the servo motor 4 work together to start and adjust the rotation speed of the rotating shaft 2 30, and the stirring rod 31 fully stirs the modifier and the raw material to make the modifier and the raw material mixed evenly; The mixed raw materials enter the feeding pipe 1 15, and the servo motor 3 is started to drive the feeding impeller 27 to rotate. The feeding impeller 27 transports the mixed materials in the feeding pipe 1 15 to the feeding pipe 2 16 and transports them downward to the inside of the melting chamber 6; The temperature sensor 7 detects the temperature inside the preparation chamber 6 in real time, and the detected temperature data is displayed on the touch screen 22; Start the two servo motors 1, and the mixed material is transported to the inner side of the heating layer 4 under the action of the two rotating conical screws 11 and the cylindrical screw 12. Start the heating wire 5 inside the heating layer 4 to increase the temperature of the preparation chamber 6, so that the mixed material is transformed into a molten state. The molten mixed material is successively transported by the conical screw 11 and the cylindrical screw 12, and is continuously squeezed to one side, and finally discharged through the discharge pipe 17; When the temperature of the preparation room 6 needs to be lowered, the water pump 1 9 is started, and the cooling water in the circulating cooling pipe 35 enters the circulating water cooling layer 3 through the water inlet pipe 1, the water pump 1 9 and the water inlet pipe 2 to cool the preparation room 6. Then the used cooling water is discharged from the circulating water cooling layer 3 through the water outlet pipe 1, the water pump 2 10 and the water outlet pipe 2, and re-enters the circulating cooling pipe 35; The temperature sensor 2 32 and the temperature sensor 3 33 detect the cooling water temperature at the top and bottom of the water tank 8 respectively, and the water level sensor 34 detects the cooling water level inside the water tank 8, and transmits the detected cooling water temperature and water level data to the control mechanism, and the cooling water temperature and water level data information is displayed by the touch screen 22; When the cooling water temperature at the top and bottom of the water tank 8 detected by the temperature sensor 2 32 and the temperature sensor 3 33 exceeds the set safety value, the cooling water inlet pipe and the cooling water outlet pipe are opened to replace the cooling water inside the water tank 8 to ensure that the cooling water temperature meets the cooling demand; When the water level sensor 34 detects that the cooling water level inside the water storage tank 8 is lower than the minimum water level, the flow rates of the cooling water inlet pipe and the cooling water outlet pipe are adjusted so that the flow rate of the cooling water inlet pipe is greater than the flow rate of the cooling water outlet pipe. Conversely, the flow rates of the cooling water inlet pipe and the cooling water outlet pipe are adjusted so that the flow rate of the cooling water inlet pipe is less than the flow rate of the cooling water outlet pipe. After the water level sensor 34 detects that the cooling water level inside the water storage tank 8 reaches the minimum water level or exceeds the minimum water level but is still at a safe water level, the cooling water inlet pipe and the cooling water outlet pipe are closed. After removing the bolts fixing the fixing block 19 on one side of the protective body 2, take out the fixing block 19 connected inside the mountain-shaped fixing groove 18. At this time, the discharge pipe 17 loses its fixing structure, and the discharge pipe 17 is taken out; Then, according to production needs, a new discharge pipe 17 is connected to the inside of the protective body 2, and the fixing block 19 is connected to the inside of the mountain-shaped fixing groove 18 by bolts.

[0042] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A device for preparing a PVC modified material, comprising a connecting bottom plate (1), characterized in that: Place The top of the connecting bottom plate (1) is connected to a water storage tank (8), the top of the water storage tank (8) is connected to a water inlet pipe 1, one end of the water inlet pipe 1 is connected to a water pump 1 (9), the output end of the water pump 1 (9) is connected to a water inlet pipe 2, and one end of the water inlet pipe 2 is connected to the top of the circulating water cooling layer (3), the back of the circulating water cooling layer (3) is connected to a water outlet pipe 1, one end of the water outlet pipe 1 is connected to a water pump 2 (10), the output end of the water pump 2 (10) is connected to a water outlet pipe 2, and one end of the water outlet pipe 2 is connected to the back of the water storage tank (8), and a water replenishment and cooling mechanism is installed inside the water storage tank (8); The water replenishment and cooling mechanism comprises a second temperature sensor (32), a third temperature sensor (33) and a water level sensor (34) connected to the inner wall of the water storage tank (8), wherein the second temperature sensor (32) is located above the third temperature sensor (33), and the water level sensor (34) is located on the opposite side of the second temperature sensor (32). The other end of the first water inlet pipe is connected to a circulating cooling pipe (35), and the circulating cooling pipe (35) is located inside the water storage tank (8). The output end of the circulating cooling pipe (35) is connected to one end of the second water outlet pipe. The top of the water storage tank (8) is connected to a cooling water inlet pipe, and one side of the water storage tank (8) is connected to a cooling water outlet pipe.

2. The preparation device of a PVC modified material according to claim 1, characterized in that: The top of the connecting bottom plate (1) is connected to a protective body (2), and a temperature regulating mechanism, a melt conveying mechanism and a speed regulating mechanism are installed inside the protective body (2), and the melt conveying mechanism is located on the inner side of the temperature regulating mechanism. A disassembly regulating mechanism is installed on one side of the protective body (2), and the speed regulating mechanism is located between the melt conveying mechanism and the disassembly regulating mechanism.

3. The preparation device of a PVC modified material according to claim 2, characterized in that: The temperature regulating mechanism comprises a circulating water cooling layer (3) connected to the inside of the protective body (2), a heating layer (4) is connected to the inside of the circulating water cooling layer (3), an electric heating wire (5) is connected to the inside of the heating layer (4), a preparation chamber (6) is provided inside the protective body (2), and the preparation chamber (6) is located on the inside of the heating layer (4), and a temperature sensor (7) is connected to the bottom wall of the preparation chamber (6).

4. The preparation device of a PVC modified material according to claim 2, characterized in that: The melt conveying mechanism comprises two sets of servo motors 1 connected to the inside of the protective body (2), the output end of the servo motor 1 is connected to a conical screw (11), and one end of the conical screw (11) is connected to a cylindrical screw (12), and the speed regulating mechanism comprises a servo motor 2 connected to the top of the protective body (2), the output end of the servo motor 2 is connected to a rotating shaft 1 (13), and the bottom end of the rotating shaft 1 (13) is connected to the bottom wall of the preparation chamber (6) through a shaft, and the outer side of the rotating shaft 1 (13) is connected to evenly arranged rotating blades (14).

5. The preparation device of a PVC modified material according to claim 2, characterized in that: The disassembly adjustment mechanism comprises a discharge pipe (17) connected to the inside of the protective body (2), a mountain-shaped fixing groove (18) is provided inside the protective body (2), a fixing block (19) is connected to the inside of the mountain-shaped fixing groove (18) by bolts, and the fixing block (19) passes through the discharge pipe (17).

6. The device for preparing a PVC modified material according to claim 1, characterized in that: The top of the connecting bottom plate (1) is connected to a support frame (20), and a control mechanism and a stirring and feeding mechanism are installed on the top of the support frame (20), and the stirring and feeding mechanism is located on one side of the control mechanism.

7. The device for preparing a PVC modified material according to claim 6, characterized in that: The control mechanism comprises a controller (21) connected to the top of the support frame (20), the controller (21) being electrically connected to a temperature sensor 1 (7), a temperature sensor 2 (32), a temperature sensor 3 (33) and a water level sensor (34), a touch screen (22) being connected to the front of the controller (21), the touch screen (22) being used to receive and display top detection data of the temperature sensor 1 (7), the temperature sensor 2 (32), the temperature sensor 3 (33) and the water level sensor (34), an emergency alarm light (23) being connected to the top of the controller (21), an emergency brake button (24), a device switch (25) and a buzzer alarm (26) being connected to the side of the controller (21), the emergency brake button (24) being located above the device switch (25), and the buzzer alarm (26) being located on the front of the emergency brake button (24) and the device switch (25).

8. The device for preparing a PVC modified material according to claim 6, characterized in that: The stirring and feeding mechanism comprises a feeding pipe 1 (15) connected to the top of the support frame (20), a feeding pipe 2 (16) connected to the bottom of the feeding pipe 1 (15), and the feeding pipe 2 (16) penetrates the support frame (20) and the protective body (2), the bottom end of the feeding pipe 2 (16) is connected to the top wall of the preparation chamber (6), one end of the feeding pipe 1 (15) is connected to a servo motor 3, the output end of the servo motor 3 is connected to a feeding impeller (27), and the top of the feeding pipe 1 (15) is connected to a stirring drum. (28), the top of the mixing drum (28) is connected to a reducer (29), the input end of the reducer (29) is connected to a servo motor 4, the output end of the reducer (29) is connected to a rotating shaft 2 (30), the outer side of the rotating shaft 2 (30) is connected to evenly arranged stirring rods (31), the top of the mixing drum (28) is connected to a modifier injection port and a prepared raw material injection port, and the modifier injection port and the prepared raw material injection port are respectively located on both sides of the reducer (29), and the front of the mixing drum (28) is connected to an observation window.

9. The method for using the device for preparing a PVC modified material according to any one of claims 1 to 8, characterized in that: The method of using the PVC modified material preparation device is as follows: S1, putting the modifier and the preparation raw materials into the stirring and feeding mechanism, stirring them fully, and then conveying them to the preparation chamber (6); S2, the mixed material is then transported to the inner side of the temperature regulating mechanism through the melt conveying mechanism, the mixed material is heated by the temperature regulating mechanism to be in a molten state, and finally the molten mixed material is discharged from the discharge pipe (17); S3, adjusting the cooling water temperature inside the circulating water cooling layer (3) through a water supply and cooling mechanism; S4. The discharging pipe (17) is replaced by disassembling the regulating mechanism to meet the production of PVC modified materials of different sizes.

10. The method for using the device for preparing a PVC modified material according to claim 9, characterized in that: In the S1, the following steps are also included: S11, adding a modifier and a prepared raw material into the mixing drum (28) from the modifier injection port and the prepared raw material injection port respectively, the reducer (29) and the servo motor 4 cooperate to start and adjust the rotation speed of the rotating shaft 2 (30), and the stirring rod (31) fully stirs the modifier and the prepared raw material to make the modifier and the prepared raw material uniformly mixed; S12, the mixed prepared raw materials enter the feeding pipe 1 (15), the servo motor 3 is started to drive the feeding impeller (27) to rotate, and the feeding impeller (27) transports the mixed material inside the feeding pipe 1 (15) to the feeding pipe 2 (16) and transports it downward to the inside of the melting chamber (6); In said S2, the following steps are also included: S21, the temperature sensor 1 (7) detects the temperature inside the preparation chamber (6) in real time, and the detected temperature data is displayed on the touch screen (22); S22, starting two sets of servo motors 1, the mixed material is transported to the inner side of the heating layer (4) under the action of the two sets of rotating conical screws (11) and cylindrical screws (12), the electric heating wire (5) inside the heating layer (4) is started to increase the temperature of the preparation chamber (6), so that the mixed material is transformed into a molten state, and the molten mixed material is successively transported by the conical screw (11) and the cylindrical screw (12), continuously squeezed to one side, and finally discharged through the discharge pipe (17); S23, when it is necessary to lower the temperature of the preparation chamber (6), start the water pump 1 (9), and the cooling water in the circulating cooling pipe (35) enters the circulating water cooling layer (3) through the water inlet pipe 1, the water pump 1 (9) and the water inlet pipe 2 to cool the preparation chamber (6), and then the used cooling water is discharged from the circulating water cooling layer (3) through the water outlet pipe 1, the water pump 2 (10) and the water outlet pipe 2, and re-enters the circulating cooling pipe (35); In said S3, the following steps are also included: S31, temperature sensor 2 (32) and temperature sensor 3 (33) detect the cooling water temperature at the top and bottom of the water storage tank (8) respectively, the water level sensor (34) detects the cooling water level inside the water storage tank (8), and transmits the detected cooling water temperature and water level data to the control mechanism, and the cooling water temperature and water level data information is displayed on the touch display screen (22); S32, when the cooling water temperature at the top and bottom of the water storage tank (8) detected by the temperature sensor 2 (32) and the temperature sensor 3 (33) exceeds the set safety value, open the cooling water inlet pipe and the cooling water outlet pipe, replace the cooling water in the water storage tank (8), and ensure that the cooling water temperature meets the cooling demand; S33, when the water level sensor (34) detects that the cooling water level in the water storage tank (8) is lower than the minimum water level, the flow rates of the cooling water inlet pipe and the cooling water outlet pipe are adjusted so that the flow rate of the cooling water inlet pipe is greater than the flow rate of the cooling water outlet pipe. Conversely, the flow rates of the cooling water inlet pipe and the cooling water outlet pipe are adjusted so that the flow rate of the cooling water inlet pipe is less than the flow rate of the cooling water outlet pipe. After the water level sensor (34) detects that the cooling water level in the water storage tank (8) reaches the minimum water level or exceeds the minimum water level but is still at a safe water level, the cooling water inlet pipe and the cooling water outlet pipe are closed. In said S4, the following steps are also included: S41, after removing the bolts of the fixing block (19) on one side of the protective body (2), the fixing block (19) connected inside the mountain-shaped fixing groove (18) is taken out, and the discharge pipe (17) loses its fixing structure, and the discharge pipe (17) is taken out; S42. Then, according to production requirements, a new discharge pipe (17) is connected to the inside of the protective body (2), and the fixing block (19) is connected to the inside of the mountain-shaped fixing groove (18) by bolts.

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