CN111673940A

CN111673940A - Innovative equipment combination for producing medium-pressure shielding material

Info

Publication number: CN111673940A
Application number: CN202010510963.1A
Authority: CN
Inventors: 王新; 张洪增; 张金忠
Original assignee: Taian Luyi Polymer Materials Co ltd
Current assignee: Taian Luyi Polymer Materials Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-09-18

Abstract

The invention relates to the technical field of plastic production, in particular to an innovative equipment combination for producing medium-pressure shielding materials, which comprises an internal mixer and a reciprocating machine; the internal mixer comprises an internal mixing chamber, a feeding end and a discharging end; a first rotor and a second rotor are arranged in the internal mixing chamber; a screw rod motor is arranged on the feeding end; the bottom of the transverse plate is provided with a guide plate; the left side and the right side of the feeding end are both provided with a feeding hole; the middle part of the discharging end is provided with a mounting column, and the left side and the right side of the mounting column are rotatably provided with movable plates; the reciprocating engine comprises a base, a supporting frame, a mounting table, a machine barrel and a driving motor; the driving motor is arranged on the mounting table, and the output end of the driving motor is provided with a speed reducer; the main shaft penetrates through the mounting table and enters the interior of the machine barrel; two ends of the machine barrel are fixedly arranged with the supporting frame; a swing mechanism is arranged on the supporting frame; a first feed hopper and a second feed hopper are arranged on the machine barrel; the invention is suitable for small batch and various varieties; simultaneously, the block-shaped materials can be conveniently used; the production cost is reduced.

Description

Innovative equipment combination for producing medium-pressure shielding material

Technical Field

The invention relates to the technical field of plastic production, in particular to an innovative equipment combination for producing medium-pressure shielding materials.

Background

The traditional combination of an internal mixer and a single screw has high requirements on the quality of raw materials in the process of producing shielding materials, the dispersion effect of each component of the formula is difficult to achieve an ideal effect, the problems of powder leakage of the internal mixer and the like are difficult to solve, the low-end shielding materials can be generally produced, and the formula cost of the product is generally high; the combination of tradition "measurement title + reciprocating engine" then dispersion effect is better than "banbury mixer + single screw rod", and better solved the hourglass powder problem, it is better to the remaining problem solution of peeling off of insulation shield, but be limited to equipment conductive carbon black high packing, equipment cooling, dispersion effect, can not use practical factors such as cubic raw materials, the technology formulation has some restrictions, output is difficult to promote, so product production efficiency is lower relatively, manufacturing cost is higher relatively, and equipment fixing has strict requirements to the factory building height, generally need the factory building more than the three-layer.

In order to solve the above problems, an innovative apparatus assembly for producing medium-pressure shielding material is proposed in the present application.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides an innovative equipment combination for producing medium-pressure shielding materials, which is suitable for small batches and multiple varieties; simultaneously, the block-shaped materials can be conveniently used; the production cost is reduced.

(II) technical scheme

In order to solve the technical problems, the invention provides an innovative equipment combination for producing medium-pressure shielding materials, which comprises an internal mixer and a reciprocating machine;

the internal mixer comprises an internal mixing chamber, a feeding end and a discharging end; a first rotor and a second rotor are arranged in the internal mixing chamber; the first rotor and the second rotor are respectively driven by two groups of motors; the feeding end is arranged at the top of the banburying chamber, a screw rod motor is arranged on the feeding end, a transmission screw rod is arranged at the output end of the screw rod motor, a transverse plate is arranged on the transmission screw rod, and the transverse plate is in threaded fit connection with the inner wall of the feeding end; the transmission screw rod drives the transverse plate to move up and down along the vertical direction; the bottom of the transverse plate is provided with a guide plate, the periphery of the guide plate is provided with a thread groove, and the guide plate is in thread fit connection with the inner wall of the feeding end; the left side and the right side of the feeding end are both provided with a feeding hole;

the discharge end is arranged at the bottom of the banburying chamber, the middle part of the discharge end is provided with an installation column, and the left side and the right side of the installation column are rotatably provided with movable plates; connecting pieces are arranged on two sides of the discharging end, and the connecting pieces are electromagnets; the connecting piece is magnetically attracted with the movable plate; the two sides of the outer part of the discharge end are respectively provided with a winder, a rope is arranged on the winder, and the rope enters the inner part of the discharge end and is connected with one end of the movable plate facing the connecting piece in a knotting way;

the reciprocating engine comprises a base, a supporting frame, a mounting table, a machine barrel and a driving motor; the mounting table and the supporting frame are arranged on the base; the driving motor is arranged on the mounting table, the output end of the driving motor is provided with a speed reducer, the speed reducer is provided with a main shaft, and the main shaft penetrates through the mounting table and enters the interior of the machine barrel; two ends of the machine barrel are fixedly arranged with the supporting frame; the support frame is provided with a swing mechanism which drives the main shaft to reciprocate along the axial direction; the main shaft is provided with a first thread tooth and a second thread tooth; a plurality of pins are arranged on the machine barrel and inserted into the machine barrel; a first feed hopper and a second feed hopper are arranged on the machine barrel; the first hopper and the second hopper feed material toward the inside of the barrel.

Preferably, the first rotor and the second rotor rotate in opposite directions and at the same speed.

Preferably, the first feeding hopper and the second feeding hopper are both internally provided with a rotating scraper.

Preferably, the inner part of the machine barrel is embedded with an insulating layer.

Preferably, the inside of the machine barrel is provided with a heating device, and the heating device is positioned between the first feed hopper and the second feed hopper.

Preferably, the heating device exchanges heat with the inner wall of the machine barrel; the heating device is an electromagnetic heater.

Preferably, the barrel is split, and the maximum opening angle of the barrel is 120 degrees.

Preferably, the side of the machine barrel facing the discharging direction is provided with an air outlet.

The technical scheme of the invention has the following beneficial technical effects:

1. the problem of adding high-filling carbon black at one time is solved by using an internal mixer, and the problem that high-filling conductive carbon black is difficult to add at one time by using a feeder and needs to be added forcibly twice in the traditional reciprocating machine production process;

2. blocky raw materials can be used, the production process optimization effect is obvious, and blocky raw materials cannot be used by the reciprocating machine;

3. the reciprocating machine is used for carrying out secondary dispersion, so that the problem that the conductive carbon black cannot be completely dispersed due to powder leakage of the internal mixer is well solved;

4. because the internal mixer and the reciprocating machine are used for dispersing for two times, each component of the formula is effectively dispersed, so that the production efficiency can be effectively improved, the yield in unit time is greatly improved on the premise of ensuring the product quality, and each expense is effectively thinned;

5. because the equipment combination height is lower, the requirement that at least three layers of plants are required by simply using a reciprocating engine in the prior art is avoided, and the manufacturing cost of the plants is greatly reduced; or the old factory building can be used for proper transformation and installation;

6. the combination solves the problem that the product range of the traditional equipment combination is narrow, and through inspection, the requirements of the production process route of the rubber conductive shielding can be effectively met, but the requirements of the traditional equipment can not be met; meanwhile, the device can also be suitable for the production and the manufacture of products with low smoke, no halogen and the like, and the application range is greatly widened. The invention is suitable for local conditions.

Drawings

FIG. 1 is a schematic view of the internal structure of an internal mixer of the present invention;

FIG. 2 is an enlarged view of the portion A of the present invention;

FIG. 3 is a schematic view of the structure of the reciprocating machine of the present invention;

fig. 4 is a schematic view of the internal structure of the barrel of the present invention.

Reference numerals: 1. a barrel; 2. a pin; 3. a support frame; 4. a base; 5. a second feed hopper; 6. a first feed hopper; 7. a rocking mechanism; 8. an installation table; 9. a speed reducer; 10. a drive motor; 11. a main shaft; 12. a first thread tooth; 13. a second thread tooth; 14. a heat-insulating layer; 15. a heating device; 16. an internal mixing chamber; 17. a first rotor; 18. a screw motor; 19. a transverse plate; 20. a feed inlet; 21. a guide plate; 22. a second rotor; 23. a winder; 24. mounting a column; 25. a movable plate; 26. a connecting member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the present invention provides an innovative equipment assembly for producing medium-pressure shielding material, which comprises an internal mixer and a reciprocating machine;

the internal mixer comprises an internal mixing chamber 16, a feeding end and a discharging end; the internal part of the mixing chamber 16 is provided with a first rotor 17 and a second rotor 22; the first rotor 17 and the second rotor 22 are respectively driven by two groups of motors; the feeding end is arranged at the top of the banburying chamber 16, a screw rod motor 18 is arranged on the feeding end, a transmission screw rod is arranged at the output end of the screw rod motor 18, a transverse plate 19 is arranged on the transmission screw rod, and the transverse plate 19 is in threaded fit connection with the inner wall of the feeding end; the transmission screw rod drives the transverse plate 19 to move up and down along the vertical direction; a guide plate 21 is arranged at the bottom of the transverse plate 19, a thread groove is arranged on the periphery of the guide plate 21, and the guide plate 21 is in thread fit connection with the inner wall of the feeding end; the left side and the right side of the feeding end are both provided with a feeding hole 20;

the discharge end is arranged at the bottom of the banburying chamber 16, the middle part of the discharge end is provided with an installation column 24, and the left side and the right side of the installation column 24 are rotatably provided with movable plates 25; connecting pieces 26 are arranged on two sides of the discharging end, and the connecting pieces 26 are electromagnets; the connecting member 26 magnetically attracts the movable plate 25; the two sides of the outer part of the discharging end are respectively provided with a winder 23, the winder 23 is provided with a rope, and the rope enters the inside of the discharging end and is connected with one end of the movable plate 25 facing the connecting piece 26 in a knotting way;

the reciprocating engine comprises a base 4, a supporting frame 3, a mounting table 8, a machine barrel 1 and a driving motor 10; the mounting table 8 and the support frame 3 are both arranged on the base 4; the driving motor 10 is arranged on the mounting table 8, the output end of the driving motor 10 is provided with a speed reducer 9, the speed reducer 9 is provided with a main shaft 11, and the main shaft 11 penetrates through the mounting table 8 and enters the interior of the machine barrel 1; two ends of the machine barrel 1 are fixedly arranged with the supporting frame 3; a swing mechanism 7 is arranged on the support frame 3, and the swing mechanism 7 drives the main shaft 11 to reciprocate along the axial direction; the main shaft 11 is provided with a first thread tooth 12 and a second thread tooth 13; a plurality of pins 2 are arranged on the machine barrel 1, and the pins 2 are inserted into the machine barrel 1; a first feed hopper 6 and a second feed hopper 5 are arranged on the machine barrel 1; the first hopper 6 and the second hopper 5 feed the raw material toward the inside of the barrel 1; the end of the machine barrel 1 far away from the driving motor 10 is provided with a discharging end.

In this embodiment, the first rotor 17 and the second rotor 22 rotate in opposite directions and at the same speed.

In this embodiment, the first hopper 6 and the second hopper 5 are both provided with a rotating scraper therein.

It should be noted that the rotation of the scraper makes the raw material entering the first hopper 6 and the second hopper 5 more convenient to discharge.

In this embodiment, the inside of the cylinder 1 is embedded with an insulating layer 14.

It should be noted that the insulating layer 14 can reduce the heat dissipation to the outside, which is beneficial to keep the temperature inside the barrel 1 stable.

In this embodiment, the inside of the barrel 1 is provided with a heating device 15, and the heating device 15 is located between the first hopper 6 and the second hopper 5.

It should be noted that the heating device 15 continuously generates heat, which is beneficial to melting and mixing of the raw materials.

In this embodiment, the heating device 15 exchanges heat with the inner wall of the cylinder 1; the heating device 15 is an electromagnetic heater.

It should be noted that the electromagnetic heater heats up quickly and generates heat uniformly.

In this embodiment, the cylinder 1 is split, and the maximum opening angle of the cylinder 1 is 120 degrees.

It should be noted that the opening angle of the machine barrel 1 is large, so that the screw in the machine barrel 1 can be conveniently and periodically opened for maintenance.

In this embodiment, the cylinder 1 is provided with an air outlet on one side facing the discharging direction.

It should be noted that the gas generated in the mixing process is convenient to discharge.

The working principle and the using process of the invention are as follows: preparing raw materials required by production in advance; the raw materials are thrown into the feeding end of the internal mixer through a feeding hole 20, a screw motor 18 is started, the screw motor 18 drives a transverse plate 19 to move downwards, the transverse plate 19 drives a guide plate 21 to move downwards, and the raw materials flow into the internal mixing chamber 16 along the guide plate 21; then the screw motor 18 drives the transverse plate 19 and the guide plate 21 to reset; the guide plate 21 is in threaded fit connection with the inner wall of the feeding end to form a sealing structure; starting the first rotor 17 and the second rotor 22; the raw materials are fully mixed under the high-speed rotation of the first rotor 17 and the second rotor 22; then the winder 23 is started, the connecting piece 26 is powered off, the magnetic force between the connecting piece 26 and the movable plate 25 disappears, the movable plate 25 rotates around the mounting column 24 under the action of the raw materials and the self gravity of the movable plate 25, and meanwhile, the winder 23 slowly rotates to control the released length of the cable, so that the opening speed and the opening degree of the movable plate 25 are controlled; after the mixed raw materials are discharged out of the device, the connecting piece 26 is electrified, the winder 23 drives the rope to wind, and the discharging end is ensured to be in a closed state; the raw materials processed by the internal mixer are respectively fed into a first feed hopper 6 and a second feed hopper 5 of a reciprocating machine through a hoister and a double-cone feeder;

the driving motor 10 is matched with the speed reducer 9 to drive the main shaft 11 to rotate, and raw materials entering the first feeding hopper 6 and the second feeding hopper 5 are further melted and mixed in the rotating process of the main shaft 11; meanwhile, the main shaft 11 is driven by the swing mechanism 7 to reciprocate along the axial direction, so that the time of the raw materials in the machine barrel is prolonged, and the raw materials are mixed more fully; the raw materials processed by the reciprocating machine are sequentially processed by a single screw extruder, an eccentric water mist granulator, a centrifugal dehydrator, a boiling bed (cyclone separator), a vibrating screen, a material storage tank, a metering scale, a high-speed mixer, a hopper, a material conveyor, a finished product bin, a material mixer, a vibrating screen machine and an electronic scale to produce finished products.

The invention (1) utilizes the internal mixer to solve the problem of adding high-filling carbon black at one time, and the traditional method utilizes a reciprocating machine to produce the conductive carbon black which is difficult to be added at one time by a feeder and needs to be added forcibly twice; (2) blocky raw materials can be used, the production process optimization effect is obvious, and blocky raw materials cannot be used by the reciprocating machine; (3) the reciprocating machine is used for carrying out secondary dispersion, so that the problem that the conductive carbon black cannot be completely dispersed due to powder leakage of the internal mixer is well solved; (4) because the internal mixer and the reciprocating machine are used for dispersing for two times, each component of the formula is effectively dispersed, so that the production efficiency can be effectively improved, the yield in unit time is greatly improved on the premise of ensuring the product quality, and each expense is effectively thinned; (5) because the equipment combination height is lower, the requirement that at least three layers of plants are required by simply using a reciprocating engine in the prior art is avoided, and the manufacturing cost of the plants is greatly reduced; or the old factory building can be used for proper transformation and installation; (6) the combination solves the problem that the product range of the traditional equipment combination is narrow, and through inspection, the requirements of the production process route of the rubber conductive shielding can be effectively met, but the requirements of the traditional equipment can not be met; meanwhile, the device can also be suitable for the production and the manufacture of products with low smoke, no halogen and the like, and the application range is greatly widened. The invention is suitable for local conditions.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. An innovative equipment combination for producing medium-pressure shielding materials is characterized by comprising an internal mixer and a reciprocating machine;

the internal mixer comprises an internal mixing chamber (16), a feeding end and a discharging end; a first rotor (17) and a second rotor (22) are arranged in the internal mixing chamber (16); the first rotor (17) and the second rotor (22) are respectively driven by two groups of motors; the feeding end is arranged at the top of the banburying chamber (16), a screw rod motor (18) is arranged on the feeding end, a transmission screw rod is installed at the output end of the screw rod motor (18), a transverse plate (19) is arranged on the transmission screw rod, and the transverse plate (19) is in threaded fit connection with the inner wall of the feeding end; the transmission screw rod drives the transverse plate (19) to move up and down along the vertical direction; a guide plate (21) is arranged at the bottom of the transverse plate (19), a thread groove is formed in the periphery of the guide plate (21), and the guide plate (21) is in threaded fit connection with the inner wall of the feeding end; the left side and the right side of the feeding end are both provided with a feeding hole (20);

the discharge end is arranged at the bottom of the banburying chamber (16), the middle part of the discharge end is provided with an installation column (24), and the left side and the right side of the installation column (24) are rotatably provided with movable plates (25); connecting pieces (26) are arranged on two sides of the discharging end, and the connecting pieces (26) are electromagnets; the connecting piece (26) is magnetically attracted with the movable plate (25); the two sides of the outer part of the discharge end are respectively provided with a winder (23), a rope is arranged on the winder (23), and the rope enters the inner part of the discharge end and is connected with one end of the movable plate (25) facing the connecting piece (26) in a knotting way;

the reciprocating engine comprises a base (4), a supporting frame (3), a mounting table (8), a machine barrel (1) and a driving motor (10); the mounting table (8) and the support frame (3) are both arranged on the base (4); the driving motor (10) is arranged on the mounting table (8), the output end of the driving motor (10) is provided with a speed reducer (9), the speed reducer (9) is provided with a main shaft (11), and the main shaft (11) penetrates through the mounting table (8) and enters the machine barrel (1); two ends of the machine barrel (1) are fixedly arranged with the supporting frame (3); a swing mechanism (7) is arranged on the support frame (3), and the swing mechanism (7) drives the main shaft (11) to reciprocate along the axial direction; a first thread tooth (12) and a second thread tooth (13) are arranged on the main shaft (11); a plurality of pins (2) are arranged on the machine barrel (1), and the pins (2) are inserted into the machine barrel (1); a first feed hopper (6) and a second feed hopper (5) are arranged on the machine barrel (1); the first hopper (6) and the second hopper (5) feed the raw material toward the inside of the barrel (1).

2. An innovative plant combination to produce medium pressure screening material according to claim 1, characterised in that the first rotor (17) and the second rotor (22) rotate in opposite directions and at the same speed.

3. An innovative plant combination to produce medium pressure screening material in accordance with claim 1, characterised in that both the first hopper (6) and the second hopper (5) are internally provided with rotating scrapers.

4. An innovative plant assembly to produce medium-pressure screening material according to claim 1, characterised in that the tank (1) is internally embedded with an insulating layer (14).

5. An innovative plant combination to produce medium pressure shielding material, in accordance with claim 1, characterized in that the inside of the tank (1) is provided with heating means (15), the heating means (15) being located between the first hopper (6) and the second hopper (5).

6. An innovative plant combination to produce medium-pressure screen stock according to claim 1, characterised in that the heating means (15) are in heat exchange with the inner wall of the tank (1); the heating device (15) is an electromagnetic heater.

7. An innovative plant combination to produce medium pressure screen material, in accordance with claim 1, characterized in that the barrels (1) are split, the maximum opening angle of the barrels (1) being 120 degrees.

8. An innovative plant combination to produce medium-pressure screen stock according to claim 1, characterised in that the side of the tank (1) facing the discharge direction is provided with gas outlet holes.