CN213441034U

CN213441034U - Plastic granulation extrusion section linear additive feeding mechanism

Info

Publication number: CN213441034U
Application number: CN202022331818.5U
Authority: CN
Inventors: 谢观英; 宋艳
Original assignee: Huizhou Baohua New Material Co ltd
Current assignee: Huizhou Baohua New Material Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-15
Anticipated expiration: 2030-10-19

Abstract

The utility model belongs to the technical field of the technique of auxiliary assembly for the granulation is extruded to the plastic and specifically relates to a plastic granulation is extruded section linear additive and is put in mechanism is related to, and it includes the barrel of extruder, be provided with the stirring rake that is used for the stirring in the barrel, the dog-house has been seted up to the top surface that the section was extruded in the melting to the barrel, barrel fixedly connected with frame, the frame bears the weight of the material loading roller that is used for laying the additive line book through the bearing rotation, the material loading roller is located the top of dog-house, the first stopper of material loading roller one end fixedly connected with, the other end can be dismantled and be connected with the second stopper, first stopper the equal butt of second stopper in the frame. This application has the liberation manpower, improves the effect of the feed efficiency of linear additive simultaneously.

Description

Plastic granulation extrusion section linear additive feeding mechanism

Technical Field

The application relates to the technical field of auxiliary equipment for plastic extrusion granulation, in particular to a linear additive feeding mechanism for a plastic granulation extrusion section.

Background

In the process of producing plastics, the improvement of the functions or properties of plastics is generally achieved by adding additives to the plastics. Generally, the additives are added by directly premixing the additives with the masterbatch, and then feeding the mixture into the barrel of the extruder from a feeding port of a feeding section of the barrel for melt mixing. However, in some processes, in order to uniformly disperse the additive into the plastic, a feeding port for feeding the additive is provided at the melt extrusion section of the cylinder.

Chinese patent publication No. CN110341090A discloses a plastic additive feeding device, which comprises a storage box and a feeding channel arranged at the bottom of the storage box, wherein the storage box is composed of a powdery storage box and a granular storage box. The feeding device can feed materials at a feeding port of a feeding section and can also feed materials at a feeding port of a melting and extruding section.

In view of the above-mentioned related technologies, the inventor believes that the linear additive such as the glass fiber yarn cannot be fed and dosed through the related technologies for a while, and the linear additive still needs to be fed and dosed manually, which not only is time and labor consuming, but also increases the production cost of the enterprise.

SUMMERY OF THE UTILITY MODEL

In order to liberate the manpower, improve the feed efficiency of threadiness additive simultaneously, this application provides a plastic granulation section threadiness additive input mechanism.

The application provides a plastic granulation is extruded section linear additive and is put in mechanism and use following technical scheme:

the utility model provides a plastic granulation extrusion section linear additive feeding mechanism, includes the barrel of extruder, be provided with the stirring rake that is used for the stirring in the barrel, the dog-house has been seted up at the top surface that the section was extruded in the melting to the barrel, barrel fixedly connected with frame, the frame rotates through the bearing and bears the weight of the material loading roller that is used for laying the additive line book, the material loading roller is located the top of dog-house, the first stopper of material loading roller one end fixedly connected with, the other end can be dismantled and be connected with the second stopper, first stopper the equal butt of second stopper in the frame.

Through adopting above-mentioned technical scheme, the additive can be from laying in the additive coil of wire on the material loading roller and leading to throwing in the material mouth to pull forward motion by the stirring rake stirring, so can drive additive coil of wire and material loading roller and rotate in the frame, make the additive coil of wire can continuously emit linear additive and throw the material, finally realize automatic material, liberation manpower, the effect that improves feed efficiency.

Optionally, the material loading roller is provided with a positioning ring groove matched with the second limiting block, the positioning ring groove is located on the outer side of the rack, and the side edge of the positioning ring groove is aligned with the side edge of the rack.

Through adopting above-mentioned technical scheme, the second stopper can reduce the risk that the second stopper slided on the material loading roller through positioning ring groove fixed position, and then reduces the risk that the material loading roller drops from the frame.

Optionally, the feeding roller is detachably connected with two limiting assemblies, and the two limiting assemblies respectively abut against two ends of the additive wire coil.

Through adopting above-mentioned technical scheme, two spacing subassemblies can carry out the injecing of position to the additive coil of wire, reduce the risk that the additive coil of wire slided on the material loading roller at the pivoted in-process.

Optionally, the frame is fixedly connected with a pre-feeding plate, the pre-feeding plate is located below the feeding roller, and the pre-feeding plate is provided with a feeding hole for defining the position of the linear additive.

By adopting the technical scheme, the feeding hole limits the position of the linear additive in advance, the risk of breakage of the linear additive can be reduced, the linear additive is not led out from the same position when being led out from the additive coil, the pulling position is continuously changed, the pulling force and the pulling direction of the stirring paddle on the linear additive are changed, the linear additive is improved to be easy to break, and the problem can be exactly solved by the arrangement of the feeding hole.

Optionally, barrel top surface fixedly connected with wire assembly, wire assembly includes first bracing piece, first bracing piece fixed connection in the barrel top surface, first bracing piece is located the dog-house with between the frame, the first bracing piece top is rotated and is bore a load and take turns to first wire, first wire takes turns to the edge the length direction of barrel rotates, first spacing annular has been seted up to first wire wheel face.

By adopting the technical scheme, the linear additive can be guided through the first guide wire wheel, so that the influence of the stirring paddle on the traction force change of the linear additive is reduced, and the risk of breakage of the linear additive is reduced.

Optionally, the wire assembly still includes the second bracing piece, second bracing piece fixed connection in the barrel top surface, the second bracing piece is located first bracing piece with between the frame, the second bracing piece weak point in first bracing piece, the second bracing piece top rotates and bears the weight of the edge the length direction pivoted second wire wheel of barrel, the spacing annular of second has been seted up to second wire wheel face, and the linear additive is followed second wire wheel bottom get into after wearing out in the spacing annular of second first wire wheel top in the first spacing annular.

By adopting the technical scheme, when the linear additive is led out from the additive wire coil, the led-out position is not fixed, so that the length of the linear additive to the feeding hole is continuously changed, and the linear additive is in a tight state when passing through the first wire guide wheel and the second wire guide wheel, thereby effectively reducing the influence from the change of the length of the linear additive and further reducing the fracture risk of the linear additive.

Optionally, barrel fixedly connected with air pipe, air pipe is located the barrel top, air pipe one end is connected with the air exhauster, air pipe fixedly connected with exhaust tube, the exhaust tube with air pipe intercommunication, the mouth of pipe of exhaust tube is located dog-house top is aimed at the dog-house.

By adopting the technical scheme, the exhaust tube can effectively extract the smoke and powder generated at the outlet of the feed inlet, and the influence of products exposed to the environment on the body health of production workers is reduced.

Optionally, the second limiting block is a hoop.

Through adopting above-mentioned technical scheme, the staple bolt is installed in and is dismantled portably, efficiency when can improving the change additive line book.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the additive wire coil can continuously discharge the linear additive for feeding, thereby realizing the effects of automatic feeding, manpower liberation and feeding efficiency improvement;

2. the risk of breakage of the linear additive is reduced by additionally arranging the feeding hole, the first guide wheel and the second guide wheel;

3. the exhaust pipe is arranged, so that smoke and powder generated by the outlet of the feed port can be effectively extracted, and the health and safety risks of production workers are reduced.

Drawings

FIG. 1 is a schematic structural diagram of a linear additive feeding mechanism in an extrusion section of a plastic pelletizing apparatus according to an embodiment of the present application.

Fig. 2 is a schematic view of the connection relationship between the cylinder and the material feeding assembly in the embodiment of the present application.

Fig. 3 is a schematic view illustrating a connection relationship between the rack and the hoop in the embodiment of the present application.

Description of reference numerals: 11. a barrel; 111. a feeding end; 112. a discharge end; 113. a feeding port; 12. a stirring paddle; 2. a material delivery assembly; 21. a frame; 211. a bearing; 22. a feeding roller; 221. a first stopper; 222. hooping; 223. a positioning ring groove; 23. dovetail clips; 24. pre-feeding a material plate; 241. a feed port; 25. a wire assembly; 251. a first support bar; 252. a second support bar; 253. a first wire guide wheel; 254. a second wire guide wheel; 255. a first limit ring groove; 256. a second limit ring groove; 3. a purification assembly; 31. a ventilation duct; 32. an exhaust fan; 33. an exhaust pipe; 4. additive coil.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a plastic granulation extrusion section linear additive feeding mechanism. Referring to fig. 1, the feeding mechanism includes a cylinder 11 of the extruder, a material feeding component 2 and a purifying component 3, a stirring paddle 12 is disposed in the cylinder 11, one end of the cylinder 11 is a feeding end 111, the other end of the cylinder is a discharging end 112, a section of the cylinder 11 near the discharging end 112 is a melt extrusion section, the material feeding component 2 is connected to a top surface of the melt extrusion section of the cylinder 11, the purifying component 3 is disposed above the cylinder 11, a feeding port 113 is formed in the top surface of the melt extrusion section of the cylinder 11, and a linear additive is fed into the cylinder 11 through the feeding port 113 and is uniformly mixed with molten plastic under the stirring of the stirring paddle 12.

Referring to fig. 1, the purification assembly 3 includes a ventilation duct 31, the ventilation duct 31 is fixedly connected to the top surface of the barrel 11, one end of the ventilation duct 31 is connected to an exhaust fan 32, the other end of the ventilation duct 33 is fixedly connected to an exhaust pipe 33, both an air inlet of the exhaust fan 32 and the exhaust pipe 33 are communicated with the ventilation duct 31, and the exhaust pipe 33 is located above the feeding port 113 and aligned with the feeding port 113. Because the molten plastic is exposed to the air at the feeding port 113 and is condensed into smoke-shaped powder when cooled by the air, the exhaust fan 32 extracts the air in the ventilation pipeline 31, so that the powder can be extracted through the exhaust pipe 33 and the ventilation pipeline 31, and the threat of the powder to the life health safety of production workers is reduced.

Referring to fig. 2, the material feeding assembly 2 includes a frame 21, the frame 21 is fixedly connected to both sides of the cylinder 11, the frame 21 rotates through a bearing 211 to bear a feeding roller 22, the feeding roller 22 is horizontally arranged, the feeding roller 22 and the cylinder 11 are vertically arranged, the additive coil 4 is sleeved on the feeding roller 22, the feeding roller 22 is detachably connected with two limiting assemblies, the two limiting assemblies abut against both ends of the additive coil 4 to limit and fix the position of the additive coil 4, the limiting assemblies can be clips with a clamping function, or parts with a locking function such as hoops, in this embodiment, the limiting assemblies are dovetail clips 23, the dovetail clips 23 are perpendicularly clamped on the feeding roller 22, and the side edges of the dovetail clips 23 abut against the end portions of the additive coil 4.

Referring to fig. 2 and 3, frame 21 is all worn out at material loading roller 22 both ends, and locating ring groove 223 has been seted up to the part that the frame 21 was worn out to one end fixedly connected with first stopper 221, the other end wherein, first stopper 221 and the frame 21 outside butt, can dismantle in locating ring groove 223 and be connected with the second stopper, and particularly, in this embodiment, the second stopper is staple bolt 222, and the side of locating ring groove 223 flushes with the side of frame 21 for the side of staple bolt 222 can with the frame 21 outside butt.

Referring to fig. 2, the frame 21 is fixedly connected with a pre-feeding plate 24, the pre-feeding plate 24 is located below the feeding roller 22, the pre-feeding plate 24 is arranged in an arc shape, a concave surface of the pre-feeding plate 24 faces the feeding roller 22, the pre-feeding plate 24 is provided with a feeding hole 241, and the feeding hole 241 faces the feeding port 113.

Referring to fig. 2, a wire guiding assembly 25 is disposed on the top surface of the barrel 11, the wire guiding assembly 25 includes a first supporting rod 251 and a second supporting rod 252, the first supporting rod 251 and the second supporting rod 252 are both fixedly connected to the top surface of the barrel 11, the first supporting rod 251 and the second supporting rod 252 are perpendicular to the barrel 11, the first supporting rod 251 is longer than the second supporting rod 252, the first supporting rod 251 and the second supporting rod 252 are both located between the frame 21 and the feeding port 113, the second supporting rod 252 is located between the first supporting rod 251 and the frame 21, the feeding hole 241, the second supporting rod 252, the first supporting rod 251 are located on the same straight line, the top end of the first supporting rod 251 rotatably bears a first wire guiding wheel 253, the top end of the second supporting rod 252 rotatably bears a second wire guiding wheel 254, the first wire guiding wheel 253 and the second wire guiding wheel 254 both rotate along the length direction of the barrel 11, a first limiting ring groove 255 is formed on the wheel surface of the first wire guiding wheel, the second wire guide wheel 254 has a second limiting ring groove 256 formed in a wheel surface thereof.

Referring to fig. 2, the additive thread is drawn from the additive thread roll 4, then passes through the feed hole 241, and then sequentially passes through the bottom of the second limiting ring groove 256 and the top of the first limiting ring groove 255, and finally enters the barrel 11 through the feed opening 113.

The implementation principle of the plastic granulation extrusion section linear additive feeding mechanism in the embodiment of the application is as follows: the additive coil 4 is placed in the middle of the frame 21, the feeding roller 22 penetrates through the frame 21 and the additive coil 4, then the position of the feeding roller 22 is fixed by using the hoop 222, and then the position of the additive coil 4 is fixed by using the dovetail clamp 23, so that the feeding step is completed. Then the linear additive is led out from the additive coil 4, passes through the feeding hole 241, sequentially bypasses the second wire guiding wheel 254 and the first wire guiding wheel 253, and is thrown into the machine barrel 11 through the feeding port 113, at this time, as the stirring paddle 12 continuously rotates, the molten plastic is pushed towards the discharging port by the stirring paddle 12, so that the linear additive is also pulled towards the discharging port, at this time, the additive coil 4 automatically rotates and continuously discharges the linear additive due to the pulling of the linear additive, and the effect of automatically feeding the linear additive is realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a plastic granulation extrusion section linear additive input mechanism, includes barrel (11) of extruder, be provided with stirring rake (12) that are used for the stirring in barrel (11), its characterized in that: feeder port (113) have been seted up at the top surface of section is extruded in the melting to barrel (11), barrel (11) fixedly connected with frame (21), bearing weight of material loading roller (22) that are used for laying additive line book (4) is rotated through bearing (211) in frame (21), material loading roller (22) are located the top of feeder port (113), first stopper (221), the other end of material loading roller (22) one end fixedly connected with can dismantle and be connected with the second stopper, first stopper (221), the second stopper all butt in frame (21).

2. The plastic granulating extrusion section linear additive feeding mechanism according to claim 1, characterized in that: the material loading roller (22) is provided with a positioning ring groove (223) matched with the second limiting block, the positioning ring groove (223) is located on the outer side of the rack (21), and the side edge of the positioning ring groove (223) is aligned with the side edge of the rack (21).

3. The plastic granulating extrusion section linear additive feeding mechanism according to claim 2, characterized in that: the feeding roller (22) is detachably connected with two limiting assemblies, and the two limiting assemblies are respectively abutted to two ends of the additive wire coil (4).

4. The plastic granulating extrusion section linear additive feeding mechanism according to claim 1, characterized in that: the frame (21) is fixedly connected with a pre-feeding plate (24), the pre-feeding plate (24) is positioned below the feeding roller (22), and the pre-feeding plate (24) is provided with a feeding hole (241) for limiting the position of the linear additive.

5. The mechanism of claim 4, wherein the plastic granulating extrusion section linear additive feeding mechanism comprises: barrel (11) top surface fixedly connected with wire assembly (25), wire assembly (25) include first bracing piece (251), first bracing piece (251) fixed connection in barrel (11) top surface, first bracing piece (251) are located dog-house (113) with between frame (21), first bracing piece (251) top end is rotated and is born the weight of first wire wheel (253), first wire wheel (253) are followed the length direction of barrel (11) rotates, first spacing annular groove (255) have been seted up to first wire wheel (253) wheel face.

6. The mechanism of claim 5, wherein the plastic granulating extrusion section linear additive feeding mechanism comprises: wire assembly (25) still includes second bracing piece (252), second bracing piece (252) fixed connection in barrel (11) top surface, second bracing piece (252) are located first bracing piece (251) with between frame (21), second bracing piece (252) weak point in first bracing piece (251), second bracing piece (252) top is rotated the bear on the weight of and is followed length direction pivoted second wire wheel (254) of barrel (11), second spacing annular groove (256) has been seted up to second wire wheel (254) wheel face, and linear additive follows second wire wheel (254) bottom wear out the back in second spacing annular groove (256) and get into in first spacing annular groove (255) at first wire wheel (253) top.

7. The plastic granulating extrusion section linear additive feeding mechanism according to claim 1, characterized in that: barrel (11) fixedly connected with air pipe (31), air pipe (31) are located barrel (11) top, air pipe (31) one end is connected with air exhauster (32), air pipe (31) fixedly connected with exhaust tube, exhaust tube with air pipe (31) intercommunication, the mouth of pipe of exhaust tube is located dog-house (113) top is aligned dog-house (113).

8. The plastic granulating extrusion section linear additive feeding mechanism according to claim 2, characterized in that: the second limiting block is a hoop (222).