CN112060391B

CN112060391B - Production device and production process of electric-conduction heat-conduction modified plastic

Info

Publication number: CN112060391B
Application number: CN202010879419.4A
Authority: CN
Inventors: 黄庆忠; 黄庆贵; 黄慜
Original assignee: Fujian Quanzhou Xinyao New Material Technology Co ltd
Current assignee: Fujian Quanzhou Xinyao New Material Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2022-02-15
Anticipated expiration: 2040-08-27
Also published as: CN112060391A

Abstract

The invention provides a production device and a production process of an electric-conduction heat-conduction modified plastic, wherein the production device comprises: a stirring device; the extruder comprises a barrel, an extrusion screw, a feeding barrel and a machine head, wherein the barrel is arranged on a machine base of the extruder, the extrusion screw is arranged in the barrel, and the machine head is arranged at the left end of the barrel; a cooling device installed on an outer circumference of the drum; cutting device, cutting device includes riser, pivot, first motor, blade disc and cutter, the riser is installed on the aircraft nose, the pivot is rotatably installed on the riser, first motor is fixed on the riser, just the output shaft of first motor with the pivot is connected, the blade disc is connected in the pivot, cutter detachably connects on the blade disc. The invention enables the tool shank to be taken out from the locking groove in a sliding way, and the locking mechanism is simple to operate.

Description

Production device and production process of electric-conduction heat-conduction modified plastic

Technical Field

The invention relates to the technical field of modified plastic equipment, in particular to a production device and a production process of electric-conduction heat-conduction modified plastic.

Background

At present, with the continuous development of the plastic industry, modified plastics are continuously developed as an important branch in the field of new chemical materials, the modified plastics are mostly applied to the fields of automobiles, electronics, household appliances and the like, and the characteristics of the materials are changed by adding additives and other raw materials. The production process of the modified plastic comprises the working procedures of material mixing, melting, plasticizing, extruding, grain cutting and the like,

at present, a plurality of requirements are provided for the heat conductivity and the electrical conductivity of modified plastics, and the modified plastics with good heat conductivity and electrical conductivity are widely applied to the electronic product industry, but the existing equipment has some problems, especially the cutter replacement problem of a cutting device.

Disclosure of Invention

The invention aims to provide a production device and a production process of an electric and heat conducting modified plastic aiming at the defects of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

an apparatus for producing modified plastics with electric and thermal conductivity, comprising:

the stirring device comprises a charging barrel and a stirring screw rod movably arranged in the charging barrel, and a plurality of feed hoppers are arranged on the charging barrel;

the extruder is positioned below the stirring device and comprises a barrel, an extrusion screw, a feeding barrel and a machine head, the barrel is mounted on a machine base of the extruder, the extrusion screw is arranged in the barrel, the feeding barrel is mounted at the right end of the barrel, the feeding barrel is positioned right below a discharge hopper at the right end of the charging barrel, and the machine head is mounted at the left end of the barrel;

a cooling device installed on an outer circumference of the drum;

cutting device, cutting device includes riser, pivot, first motor, blade disc and cutter, the riser is installed on the aircraft nose, the pivot is rotatably installed on the riser, first motor is fixed on the riser, just the output shaft of first motor with the pivot is connected, the blade disc is connected in the pivot, cutter detachably connects on the blade disc.

Further, the number of the cutters is three.

Furthermore, the three cutters are uniformly distributed on the cutter head.

Further, the cutter is detachably connected to the cutter head through a locking mechanism.

Further, locking mechanical system includes locking cam, first slider, second slider, fixing base, piston and first spring, the locking cam pin joint is in the center of blade disc, first slider slides and sets up in the first spout of blade disc, the second slider slides and sets up in the second spout of blade disc, the fixing base is installed in the second spout, the piston activity sets up in the slide opening of fixing base, first spring be located the piston with between the slide opening.

Furthermore, the extension rod of the piston is pressed against the right end face of the second sliding block, the left inclined plane of the upper end portion of the second sliding block is pressed against the right inclined plane of the right end of the first sliding block, and the straight rod at the upper end of the first sliding block abuts against the outer peripheral face of the locking cam.

Furthermore, a plurality of protrusions are arranged on the left end face of the second sliding block and clamped in the grooves of the cutter handle of the cutter, so that the cutter handle is fixed in the locking grooves of the cutter head.

Furthermore, a guide post is arranged at the upper end of the first sliding block and is in sliding fit with the guide seat on one side of the straight rod.

Further, a second spring is arranged between the first sliding block and the sinking groove of the cutter head.

Also provides a production process adopting the production device, which comprises the following steps:

s10, mixing, namely adding a plurality of raw materials into a stirring device from a feed hopper, and mixing in the stirring device;

s20, extruding, namely extruding the mixture into plastic strips through an extruder;

s30, cutting into granules: the cutting device cuts the plastic strips flowing out of the machine head to form plastic particles.

The cutter has the advantages that the cutter is detachably connected to the cutter disc through the locking mechanism, the cutter can be conveniently replaced, the rotating disc is driven by rotating the handle, the locking cam is rotated to drive the first sliding block to move towards the periphery of the cutter disc, the second sliding block is driven to be far away from the cutter handle, the cutter handle can be taken out from the locking groove in a sliding mode, and the locking mechanism is simple to operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the stirring device of the present invention.

FIG. 3 is a schematic diagram of the relationship between the extruder and the cutting device according to the present invention.

Fig. 4 is a partial view of fig. 3 taken along the direction a.

Figure 5 is a cross-sectional view of the cutter head.

Fig. 6 is an enlarged view of a portion of the structure of fig. 5.

Fig. 7 is a schematic diagram of the relationship between the cutter head and the handle and the turntable.

FIG. 8 is a flow chart of a process for producing a modified plastic.

List of reference numerals: the device comprises a stirring device 1, a charging barrel 11, a charging hopper 12, a charging hopper 13, a discharging hopper 14, an extruder 2, a barrel 21, an extrusion screw 22, a charging barrel 23, a machine head 24, a machine base 25, a third motor 26, a cutting device 3, a vertical plate 31, a rotating shaft 32, a first motor 33, a cutter disc 34, a first sliding groove 341, a sinking groove 342, a second sliding groove 343, a locking groove 344, a cutter 35, a cutter handle 351, a groove 352, a counter bore 36, a locking mechanism 4, a locking cam 41, a base circle part 411, a protruding part 412, a first sliding block 42, a right inclined surface 421, a straight rod 422, a guide pillar 423, a guide seat 424, a second sliding block 43, a left inclined surface 431, a protruding plug, a fixed seat 44, a sliding hole 432, a 442, a piston 45, a first spring 46, a second spring 47, a protective seat, a handle 5 and a rotating disc 6.

Detailed Description

The following detailed description of specific embodiments of the present invention will be made with reference to the accompanying drawings.

Referring to fig. 1 to 8, the apparatus for producing an electrically and thermally conductive modified plastic as shown in fig. 1, 2 and 3 comprises a stirring device 1, an extruder 2, a cooling device and a cutting device 3, wherein the stirring device 1 comprises a charging barrel 11 and a stirring screw 12 movably disposed in the charging barrel 11, the charging barrel 11 is provided with a plurality of feeding hoppers 13, the left end of the charging barrel 11 is provided with a second motor 15, a reducer is connected between the second motor 15 and the charging barrel 11, the stirring screw 12 is connected with an output shaft of the reducer, the right end of the charging barrel 11 is provided with a discharging hopper 14, the plurality of feeding hoppers 13 are respectively used for pouring raw materials such as a base material, an auxiliary material and an additive, the extruder 2 is located below the stirring device 1, the extruder 2 comprises a barrel 21, an extruding screw 22, a feeding barrel 23, a base 25, a third motor 26 and a head 24, barrel 21 installs on the frame 25 of extruder 2, extrusion screw 22 sets up in the barrel 21, the feed bin 23 is installed the right-hand member of barrel 21, just the feed bin 23 is located under the play hopper 14 of feed cylinder 11 right-hand member, aircraft nose 24 installs the left end of barrel 21, and third motor 26 installs the right-hand member at frame 25, and third motor 26's output shaft is connected with extrusion screw 22, and a plurality of feeder hopper 13 throws the material for apparatus for the output of apparatus for production is great, and agitating unit 1 of being convenient for fully stirs raw materials such as matrix, auxiliary material and additive, cooling device installs on the periphery of barrel 21.

As shown in fig. 3, fig. 4, fig. 5 and fig. 6, the cutting device 3 includes a vertical plate 31, a rotating shaft 32, a first motor 33, a cutter disc 34 and a cutter 35, the vertical plate 31 is installed on the machine head 24, the rotating shaft 32 is rotatably installed on the vertical plate 31, the first motor 33 is fixed on the vertical plate 31, an output shaft of the first motor 33 is connected with the rotating shaft 32, the cutter disc 34 is connected on the rotating shaft 32, the cutter 35 is detachably connected on the cutter disc 34, and the cutter 35 is detachably connected on the cutter disc 34 through a locking mechanism 4.

Preferably, the number of the cutters 35 is three, so that the plastic particles have good size consistency.

Preferably, three of the cutters 35 are uniformly distributed on the cutter head 34.

Wherein, the locking mechanism 4 comprises a locking cam 41, a first slider 42, a second slider 43, a fixed seat 44, a piston 45 and a first spring 46, the locking cam 41 is pivoted at the center of the cutter disc 34, the locking cam 41 is connected with a rotary disc 6 outside the cutter disc 34 through a short shaft, the rotary disc 6 is provided with an operating handle 5, the first slider 42 is slidably arranged in a first sliding groove 341 of the cutter disc 34, the second slider 43 is slidably arranged in a second sliding groove 343 of the cutter disc 34, the sliding arrangement enables the first slider 42 to smoothly move in the first sliding groove 341, meanwhile, the second slider 43 can smoothly move in the second sliding groove 343, the second sliding groove 343 is communicated with the first sliding groove 341, the second sliding groove 343 is communicated with the outer periphery of the cutter disc 34, the fixed seat 44 is arranged in the second sliding groove 343, the piston 45 is movably arranged in a sliding hole 441 of the fixed seat 44, a plug 442 is installed in the sliding hole 441, the left end of the first spring 46 abuts against the right end face of the piston 45, the right end of the first spring 46 abuts against the left end face of the plug 442, and an extension rod at the left end of the piston 45 abuts against the right end face of the second slider 43.

Preferably, for smooth operation and avoiding jamming of the piston 45 during movement, the piston 45 is provided as a pair, and accordingly, the first spring 46, the plug 442 and the sliding hole 441 are also provided as a pair.

Preferably, the left inclined surface 431 of the upper end portion of the second slider 43 is pressed against the right inclined surface 421 of the right end portion of the first slider 42, and when the first slider 42 is driven to move, the second slider 43 is driven by the first slider 42 to move along the second sliding slot 343.

In order to protect the first slider 42 and prolong the service life of the first slider 42, the straight rod 422 is installed at the upper end of the first slider 42, the straight rod 422 is connected to the upper end of the first slider 42 through threads, and when the upper end of the straight rod 422 is seriously worn, the straight rod 422 can be removed and a new straight rod 422 can be replaced.

The outer peripheral surface of the locking cam 41 abuts against the upper end surface of the straight rod 422, the locking cam 41 comprises a base circle part 411 and a protruding part 412, and in order to achieve structural simplification and save the time for detaching and installing the cutter 35, the three locking mechanisms 4 share one locking cam 41.

The left end surface of the second slider 43 is provided with a plurality of protrusions 432, the protrusions 432 can be clamped in the grooves 352 of the tool holder 351 of the cutter 35, so that the tool holder 351 is fixed in the locking groove 344 of the tool disc 34, the cross section of each protrusion 432 can be semicircular or triangular, and correspondingly, the cross section of each groove 352 is semicircular or triangular.

In order to make the first sliding block 42 move more stably, guide posts 423 are mounted at the upper end of the first sliding block 42, the guide posts 423 are in sliding fit with the guide seats 424 on one side of the straight rod 422, and the guide posts 423 are a pair and are symmetrically arranged on two sides of the straight rod 422.

In order to make the first sliding block 42 move up faster during operation, a second spring 47 is disposed between the first sliding block 42 and the sinking groove 342 of the cutter disc 34, specifically, the upper end of the second spring 47 is pressed against the hole of the protecting seat 471, and the lower end of the second spring 47 is pressed against the sinking hole 36.

As shown in fig. 6 and 7, when the knife handle 351 is installed, the handle 5 is rotated clockwise, the dial 6 drives the locking cam 41 to rotate clockwise, the locking cam 41 drives the straight rod 422 to drive the first slider 42 to move along the-Y direction (at this time, the second spring 47 is compressed), the right inclined surface 421 acts on the left inclined surface 431 to move the second slider 43 along the X direction (at this time, the second slider 43 drives the piston 45 to move along the X direction, the first spring 46 is compressed), the protrusion 432 moves rightwards and is far away from the right inner wall of the locking groove 344, when the peak of the protruding part 412 of the locking cam 41 is pressed against the middle part of the top surface of the straight rod 422, the knife handle 351 is placed into the locking groove 344, the handle 5 is rotated counterclockwise, the second spring 47 and the first spring 46 are reset, the first slider 42 moves along the Y direction, the second slider 43 moves along the-X direction, the protrusion 432 is clamped in the groove 352, when the periphery of the base circle part 411 abuts against the middle part of the top surface of the straight rod 422, the first spring 46 presses against the second slider 43 to fix the tool holder 351 in the locking groove 344 (the first spring 46 is in a compressed state), and the second spring 47 presses the outer periphery of the base circular portion 411 against the middle of the top surface of the straight rod 422 (the second spring 47 is in a compressed state), so that the tool holder 351 is reliably locked in the locking groove 344.

As shown in fig. 8, there is also a production process for producing a modified plastic using the production apparatus, comprising the steps of:

s10, mixing, namely adding a plurality of raw materials into the stirring device 1 from the feed hopper 13, mixing in the stirring device 1, and after mixing, opening a control valve at the lower end of the discharge hopper 14 to enable the mixture to enter the feed barrel 23;

s20, extruding, namely melting and plasticizing the mixture by the extruder 2, and extruding the material by the machine head 24 to form a plastic strip;

s30, cutting into granules: the cutting device 3 cuts the plastic strip flowing out of the head 24 to form plastic particles.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an electrically conductive heat conduction modified plastics's apparatus for producing which characterized in that includes:

the stirring device (1), wherein the stirring device (1) comprises a charging barrel (11) and a plurality of feeding hoppers (13) arranged on the charging barrel (11);

the extruder (2) is positioned below the stirring device (1), the extruder (2) comprises a barrel (21), an extrusion screw (22), a feeding barrel (23) and a machine head (24), the barrel (21) is installed on a machine base (25) of the extruder (2), the extrusion screw (22) is arranged in the barrel (21), the feeding barrel (23) is installed at the right end of the barrel (21), the feeding barrel (23) is positioned right below a discharge hopper (14) at the right end of the charging barrel (11), and the machine head (24) is installed at the left end of the barrel (21);

a cooling device mounted on an outer periphery of the drum (21);

the cutting device (3) comprises a vertical plate (31), a rotating shaft (32), a first motor (33), a cutter head (34) and a cutter (35), wherein the vertical plate (31) is installed on the machine head (24), the rotating shaft (32) is rotatably installed on the vertical plate (31), the first motor (33) is fixed on the vertical plate (31), an output shaft of the first motor (33) is connected with the rotating shaft (32), the cutter head (34) is connected onto the rotating shaft (32), and the cutter (35) is detachably connected onto the cutter head (34);

the cutter (35) is detachably connected to the cutter head (34) through a locking mechanism (4); the locking mechanism (4) comprises a locking cam (41), a first sliding block (42), a second sliding block (43), a fixed seat (44), a piston (45) and a first spring (46), the locking cam (41) is pivoted at the center of the cutter disc (34), the first sliding block (42) is arranged in a first sliding groove (341) of the cutter disc (34) in a sliding manner, the second sliding block (43) is arranged in a second sliding groove (343) of the cutter disc (34) in a sliding manner, the fixed seat (44) is arranged in the second sliding groove (343), the piston (45) is movably arranged in a sliding hole (441) of the fixed seat (44), and the first spring (46) is positioned between the piston (45) and the sliding hole (441); the first sliding block (42) can move in the first sliding groove (341), the second sliding block (43) can move in the second sliding groove (343), the second sliding groove (343) is communicated with the first sliding groove (341), the second sliding groove (343) is communicated with the periphery of the cutter head (34), a plug (442) is installed in the sliding hole (441), the left end of the first spring (46) is pressed against the right end face of the piston (45), and when the first sliding block (42) is driven to move, the second sliding block (43) is driven by the first sliding block (42) to move along the second sliding groove (343); a straight rod (422) is installed at the upper end of the first sliding block (42), the straight rod (422) is connected to the upper end of the first sliding block (42) through threads, and when the upper end of the straight rod (422) is seriously worn, the straight rod (422) can be removed and a new straight rod (422) is replaced; the outer peripheral surface of the locking cam (41) is abutted against the upper end face of the straight rod (422), the locking cam (41) comprises a base circle part (411) and a protruding part (412), and the three locking mechanisms (4) share one locking cam (41); an extension rod of the piston (45) is pressed against the right end face of the second sliding block (43), a left inclined plane (431) of the upper end part of the second sliding block (43) is pressed against a right inclined plane (421) of the right end of the first sliding block (42), and a straight rod (422) of the upper end of the first sliding block (42) is pressed against the peripheral surface of the locking cam (41);

specifically, the method for processing the plastic by using the production device of the modified plastic with electric and heat conduction comprises the following steps: s10, mixing, namely adding a plurality of raw materials into the stirring device (1) from the feed hopper (13) and mixing in the stirring device (1); s20, extruding, namely extruding the mixture into plastic strips through an extruder (2); s30, cutting into granules: the cutting device (3) cuts the plastic strip flowing out of the machine head (24) to form plastic particles.

2. The apparatus for producing an electrically and thermally conductive modified plastic as claimed in claim 1, wherein the number of the cutters (35) is three.

3. The apparatus for producing electrically and thermally conductive modified plastic as claimed in claim 2, wherein three of said cutters (35) are uniformly distributed on said cutter head (34).

4. The apparatus for producing electrically and thermally conductive modified plastic as claimed in claim 1, wherein the second slider (43) has a plurality of protrusions (432) on the left end surface thereof, and the protrusions (432) are engaged in the grooves (352) of the shank (351) of the cutter (35) so that the shank (351) is fixed in the locking grooves (344) of the cutter head (34).

5. The apparatus for producing electrically and thermally conductive modified plastic as claimed in claim 4, wherein the first slider (42) is provided at an upper end thereof with a guide post (423), and the guide post (423) is slidably engaged with the guide seat (424) on one side of the straight rod (422).

6. The apparatus for producing electrically and thermally conductive modified plastic as claimed in claim 5, wherein a second spring (47) is provided between the first slider (42) and the sinking groove (342) of the cutter head (34).