CN218803473U

CN218803473U - Plastic granules feed proportioning system

Info

Publication number: CN218803473U
Application number: CN202223599347.1U
Authority: CN
Inventors: 林叶清; 冼丽翠; 冼有泰
Original assignee: Foshan Ke Chang Plastic Products Co ltd
Current assignee: Foshan Ke Chang Plastic Products Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-07
Anticipated expiration: 2032-12-28

Abstract

The application relates to the technical field of plastic barrel production, in particular to a plastic particle batching system, which comprises a spiral feeding device, a feeding hopper fixedly arranged at a feeding hole of the spiral feeding device, a discharging pipe fixedly arranged at a discharging hole of the spiral feeding device and a stirring barrel positioned below the discharging pipe, wherein the spiral feeding device comprises a feeding pipe, a spiral feeding rod rotatably arranged in the inner cavity of the feeding pipe and a rotary driving assembly fixedly arranged on the feeding pipe and used for driving the spiral feeding rod to rotate; the side, facing the ground, of the feeding pipe is covered with an air supply cover, the side, facing the ground, of the feeding pipe is provided with a plurality of groups of vent holes corresponding to the positions of the air supply cover, and the top of each vent hole is sealed with a separation net; the bottom of the feeding pipe is fixedly provided with a hot air cover communicated with the air supply cover, a plurality of groups of heating wires are fixedly arranged in the hot air cover, and the outside of the hot air cover is communicated with a blower. This application can get rid of the residual moisture on major ingredient plastic granules surface to the condition that the plastic drum that the reduction was moulded plastics and is formed has the defect takes place.

Description

Plastic granules feed proportioning system

Technical Field

The application relates to the technical field of plastic drum production, in particular to a plastic particle batching system.

Background

The plastic barrel is a heat-insulating, moisture-proof, pressure-resistant and corrosion-resistant dangerous goods storage barrel produced by adopting a high-density polyethylene raw material, has the characteristics of high rigidity, light weight, wear resistance, durability and the like, and is widely applied to the field of industrial production.

In order to improve the performances of the plastic barrel such as flame retardance, strength, impact resistance, toughness and the like, in the production process of the plastic barrel, auxiliary material raw materials in a specific proportion are required to be added into the main material plastic particles for mixing and melting, so that the plastic barrel with specific performances is formed by injection molding.

Chinese patent No. CN207359394U discloses a special intelligent dosing unit for plastic particles, which comprises: the major ingredient feed inlet, first chassis, first motor, the spiral feeding pipeline, first discharge gate, the auxiliary material bucket, first solenoid valve, the agitator, the support arm, weighing sensor, the second chassis, the second solenoid valve, the second discharge gate, the second motor, the PLC controller, the spiral feeding pipeline is installed on first chassis, the bottom and the major ingredient feed inlet intercommunication of spiral feeding pipeline, the top of spiral feeding pipeline is equipped with first discharge gate, first motor and the inside hob flange joint of spiral feeding pipeline, the below of first discharge gate is equipped with the agitator, the agitator is installed on the second chassis, weighing sensor is installed with second chassis junction to the agitator, the support arm is connected on the right side of second chassis, the top at the support arm is installed to the auxiliary material bucket, the bottom opening part of auxiliary material bucket is provided with first solenoid valve, second motor and second discharge gate are installed to the bottom of agitator, the inside second solenoid valve that is equipped with of second discharge gate, the left side at the second chassis is installed to the PLC controller. When the intelligent mixing machine is used, a main material is added from a main material feeding hole, an auxiliary material is added into an auxiliary material barrel, a first motor rotates after the main material is electrified, the main material is conveyed into a mixing barrel from a spiral feeding pipeline, at the moment, a weight sensor transmits an induction value to a PLC (programmable logic controller) in real time, when the weight reaches a first set value, the PLC controls the first motor to stop rotating, a first electromagnetic valve is opened, the auxiliary material flows into the mixing barrel from the auxiliary material barrel, when the weight reaches a second set value, the first electromagnetic valve is closed, a second motor is opened, the mixing barrel starts mixing, when a preset mixing time is reached, a second electromagnetic valve is opened, well-mixed plastic particles flow out from a second discharging hole and flow to the next procedure, when the weight returns to zero, the second motor stops rotating, the second electromagnetic valve is closed, the first motor is started, and the intelligent mixing of the plastic particles is realized in a reciprocating mode.

However, water cooling is usually required in the production process of plastic particles, so that moisture often remains on the surfaces of the main material plastic particles, the main material plastic particles with the moisture remaining are directly conveyed to the stirring barrel through the spiral conveying pipeline and are mixed with the auxiliary materials for melting and injection molding, and the plastic formed by injection molding is easy to have defects because the moisture forms bubbles in the molten plastic; therefore, further improvements can be made.

SUMMERY OF THE UTILITY MODEL

In order to reduce the occurrence of defects of plastic barrels formed by injection molding, the application provides a plastic particle batching system.

The above object of the present application is achieved by the following technical solutions:

a plastic particle batching system comprises a spiral feeding device, a feeding hopper, a discharging pipe and a stirring barrel, wherein the feeding hopper is fixedly arranged at a feeding hole of the spiral feeding device; the side, facing the ground, of the feeding pipe is covered with an air supply cover, a plurality of groups of vent holes are formed in the side, facing the ground, of the feeding pipe, corresponding to the positions of the air supply cover, and a separation net is sealed at the tops of the vent holes; the bottom of the feeding pipe is fixedly provided with a hot air cover communicated with the air supply cover, a plurality of groups of heating wires are fixedly arranged in the hot air cover, and the outside of the hot air cover is communicated with a blower.

Through above-mentioned technical scheme, spiral feeding device carries out the in-process that the ration conveyed to major ingredient plastic granules, starts heating wire and air-blower, and the air-blower loops through air supply cover, ventilation hole with the hot-air around the heating wire and carries to the conveying pipe inner chamber, and the residual moisture on major ingredient plastic granules surface contacts with the hot-air and produces the evaporation to the realization is got rid of the residual moisture on major ingredient plastic granules surface, takes place with the condition that reduces the plastic drum that moulds plastics and form and have the defect.

Preferably, the outer wall of the hot air cover and the outer wall of the air supply cover are fixedly provided with heat insulation layers.

Through above-mentioned technical scheme, the thermal-insulated layer can reduce the calorific loss in the hot-air transportation process, practices thrift the energy consumption of heating wire.

Preferably, the bottom of the air supply cover is fixedly provided with an intercepting box, the bottom of the intercepting box is provided with a material taking port, the material taking port is embedded with a drawer in a sliding manner, the inner side of the drawer is fixedly provided with a first magnet, and the inner side of the intercepting box is fixedly provided with a second magnet which is matched with the first magnet in a magnetic attraction manner.

Through the technical scheme, the in-process that spiral material feeding unit carries out the ration conveying to major ingredient plastic granules, partial major ingredient plastic granules of powder form/small granule passes in proper order and separates the net, the ventilation hole gets into the air supply cover, and the air supply cover inner chamber landing of arranging in the slope, when landing to the interception box, the interception box can play the interception effect, the drawer can play the collection effect, avoid the major ingredient plastic granules of powder form/small granule to pile up inside hot-blast cover as far as possible, thereby avoid the major ingredient plastic granules of powder form/small granule to appear melting under the stoving of heating wire as far as possible.

Preferably, still including being located the base of spiral material feeding unit below, the base bottom surface has set firmly the universal wheel, spiral material feeding unit bottom articulates in the base top surface, the articulated bracing piece that has in spiral material feeding unit top, the bracing piece is kept away from that spiral material feeding unit one end articulates there is the slider, the base top surface sets firmly the slide rail with slider looks slip adaptation, just the base top surface sets firmly the translation drive assembly who is used for driving the slider removal.

Through above-mentioned technical scheme, the in-process that translation drive assembly drive slider removed, the slider passes through the bracing piece and promotes spiral material feeding unit top, makes spiral material feeding unit's inclination, discharging pipe height homoenergetic adjust to make spiral material feeding unit can adapt to the agitator of multiple high difference.

Preferably, the translation driving assembly comprises a translation motor fixedly arranged on the top surface of the base, a threaded rod fixedly arranged on an output shaft of the translation motor, and a nut seat in threaded connection with the threaded rod, and the nut seat is fixedly arranged on the sliding block.

Through the technical scheme, in the process that the translation motor drives the threaded rod to rotate, the threaded rod is in threaded connection transmission with the nut seat, so that the nut seat drives the sliding block to slide along the sliding rail, and the function that the translation driving assembly drives the sliding block to move is achieved.

Preferably, the top of the feed hopper is hinged with a protective frame, and a plurality of protective strips arranged at equal intervals are fixedly arranged on the inner side of the protective frame.

Through above-mentioned technical scheme, when articulated closing cap in the feeder hopper top with protecting frame and protecting strip, protecting frame and protecting strip can play and separate shelves guard action, avoid article such as wrapping bag of major ingredient plastic granules to drop at spiral material feeding unit's spiral feed rod as far as possible.

Preferably, an access hole is formed in one side of the hot air cover, and an access plate which is covered on the access hole is fixedly arranged on one side of the hot air cover.

Through above-mentioned technical scheme, through taking apart the access panel, can be convenient for maintain/change the heating wire through the access hole.

Preferably, a humidity sensor is fixedly arranged in the inner cavity of the feeding pipe, a controller and an alarm are fixedly arranged on the outer wall of the feeding pipe, and the humidity sensor is electrically connected with the controller and the controller is electrically connected with the alarm.

Through above-mentioned technical scheme, humidity transducer can detect the humidity of conveying pipe inner chamber, and feeds back humidity data information to the controller, and when judging humidity and surpassing the default, the controller takes place the police dispatch newspaper in the control alarm, and the staff at this moment need judge whether can continue normal production to the quality of major ingredient plastic granules.

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

1. in the process of quantitatively conveying the main material plastic particles by the spiral feeding device, the heating wire and the blower are started, the blower conveys hot air around the heating wire to the inner cavity of the feeding pipe through the air supply cover and the vent hole in sequence, and residual moisture on the surfaces of the main material plastic particles is contacted with the hot air to generate evaporation, so that the residual moisture on the surfaces of the main material plastic particles is removed, and the defect of a plastic barrel formed by injection molding is reduced;

2. in the process that the translation drive assembly drives the sliding block to move, the sliding block pushes the top of the spiral feeding device through the supporting rod, so that the inclination angle and the height of the discharging pipe of the spiral feeding device can be adjusted, and the spiral feeding device can adapt to mixing tanks with various heights.

Drawings

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

Fig. 2 is a cross-sectional view of the present application.

Figure 3 is a cross-sectional view of the feed tube of the present application.

Description of reference numerals: 1. a base; 2. a screw feeding device; 21. a feed pipe; 22. a screw feed rod; 23. a rotary drive assembly; 31. a feed hopper; 32. a discharge pipe; 4. a stirring barrel; 51. an air supply cover; 52. a vent hole; 53. separating the net; 54. a hot air hood; 55. an electric heating wire; 56. a blower; 6. a thermal insulation layer; 71. an interception box; 72. a drawer; 73. a first magnet; 74. a second magnet; 81. a support bar; 82. a slider; 83. a slide rail; 84. a translation drive assembly; 841. a translation motor; 842. a threaded rod; 843. a nut seat; 91. a protective frame; 92. a protective strip; 10. a universal wheel; 11. an access panel; 12. a humidity sensor; 13. a controller; 14. an alarm.

Detailed Description

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

The embodiment of the application discloses plastic granules feed proportioning system.

Referring to fig. 1, the plastic particle batching system comprises a base 1, a spiral feeding device 2 installed on the base 1, a feeding hopper 31 fixedly arranged at a feeding port of the spiral feeding device 2, a discharging pipe 32 fixedly arranged at a discharging port of the spiral feeding device 2, and a stirring barrel 4 positioned below the discharging pipe 32. During operation, major ingredient plastic granules are delivered to feed hopper 31 by manual work/forklift, convey major ingredient plastic granules ration to discharging pipe 32 through spiral material feeding unit 2, make major ingredient plastic granules whereabouts circulation to agitator 4, add the auxiliary material raw materials of specific proportion to agitator 4 afterwards and stir the mixture.

Referring to fig. 1-3, in this embodiment, the spiral feeding device 2 includes a feeding pipe 21, a spiral feeding rod 22 rotatably disposed in an inner cavity of the feeding pipe 21, and a rotation driving assembly 23 fixedly disposed on the feeding pipe 21 and configured to drive the spiral feeding rod 22 to rotate; the rotary driving assembly 23 adopts a mode of matching a motor with a speed reducer in the prior art, one side of the feeding pipe 21 facing the ground is covered with an air supply cover 51, one side of the feeding pipe 21 facing the ground is provided with a plurality of groups of vent holes 52 corresponding to the positions of the air supply cover 51, the plurality of groups of vent holes 52 are arranged at equal intervals along the length direction of the feeding pipe 21, and the top of each vent hole 52 is fixedly covered with a separation net 53; the bottom of the feeding pipe 21 is fixedly provided with a hot air cover 54 communicated with the bottom of the air supply cover 51, and the top of the air supply cover 51 is closed; the hot air hood 54 is fixedly provided with a plurality of groups of heating wires 55 inside, and the outside of the hot air hood 54 is communicated with a blower 56.

In the process that the spiral feeding device 2 quantitatively conveys the main material plastic particles, the heating wires 55 and the blower 56 are started, the blower 56 conveys hot air around the heating wires 55 to the inner cavity of the feeding pipe 21 sequentially through the air supply cover 51 and the vent holes 52, and residual moisture on the surfaces of the main material plastic particles is contacted with the hot air to generate evaporation, so that the residual moisture on the surfaces of the main material plastic particles is removed, and the defect of a plastic barrel formed by injection molding is reduced.

In this embodiment, the outer walls of the hot air cover 54 and the air supply cover 51 are both fixedly provided with the heat insulation layer 6, the heat insulation layer 6 is made of foam heat insulation material, and the heat insulation layer 6 can reduce heat loss in the hot air transmission process and save energy consumption of the heating wire 55.

In the embodiment, the bottom of the blast hood 51 is fixedly provided with an interception box 71, and the top of the interception box 71 is communicated with one side of the blast hood 51 facing the ground; the intercepting box 71 is arranged above the hot air cover 54 in an inclined manner, a material taking port is formed in the bottom of the intercepting box 71, a drawer 72 with an upward opening is embedded in the material taking port in a sliding manner, a first magnet 73 is fixedly arranged on the inner side of the drawer 72, a second magnet 74 which is matched with the first magnet 73 in a magnetic attraction manner is fixedly arranged on the inner side of the intercepting box 71, and the first magnet 73 and the second magnet 74 are both permanent magnets.

In the process of quantitatively conveying the main material plastic particles by the spiral feeding device 2, partial powdery/small-particle main material plastic particles sequentially pass through the partition net 53 and the vent holes 52 to enter the air supply cover 51, and slide down in the inner cavity of the obliquely arranged air supply cover 51, when the main material plastic particles slide down to the intercepting box 71, the intercepting box 71 can play an intercepting role, the drawer 72 can play a collecting role, the powdery/small-particle main material plastic particles are prevented from being accumulated in the hot air cover 54 as much as possible, and the powdery/small-particle main material plastic particles are prevented from being melted under the baking of the heating wires 55 as much as possible.

In this embodiment, the base 1 is located below the spiral feeding device 2, and the bottom surface of the base 1 is fixedly provided with a plurality of uniformly distributed self-locking universal wheels 10, and the specific installation mode of the base 1 and the spiral feeding device 2 is as follows: the bottom of the spiral feeding device 2 is hinged to the top surface of the base 1, the top of the spiral feeding device 2 is hinged to a supporting rod 81, one end, away from the spiral feeding device 2, of the supporting rod 81 is hinged to a sliding block 82, a sliding rail 83 matched with the sliding block 82 in a sliding mode is fixedly arranged on the top surface of the base 1, and a translation driving assembly 84 used for driving the sliding block 82 to move is fixedly arranged on the top surface of the base 1.

In the process that the translation driving assembly 84 drives the sliding block 82 to move, the sliding block 82 pushes the top of the spiral feeding device 2 through the supporting rod 81, so that the inclination angle of the spiral feeding device 2 and the height of the discharging pipe 32 can be adjusted, and the spiral feeding device 2 can adapt to mixing tanks 4 with different heights.

In this embodiment, the translation driving assembly 84 specifically includes a translation motor 841 fixed on the top surface of the base 1, a threaded rod 842 fixed on the output shaft of the translation motor 841, and a nut seat 843 screwed to the threaded rod 842, the nut seat 843 is fixed on the sliding block 82, and the translation motor 841 is a servo motor. In the process that the translation motor 841 drives the threaded rod 842 to rotate, the threaded rod 842 is in threaded connection transmission with the nut seat 843, so that the nut seat 843 drives the slider 82 to slide along the slide rail 83, and the function that the translation driving assembly 84 drives the slider 82 to move is realized.

In this embodiment, the top of the feeding hopper 31 is hinged with a protection frame 91, and a plurality of protection bars 92 arranged at equal intervals are fixedly arranged on the inner side of the protection frame 91. When covering protection frame 91 and protection strip 92 in feeder hopper 31 top with articulated, protection frame 91 and protection strip 92 can play the fender guard action, avoid article such as wrapping bag of major ingredient plastic granules to drop at spiral feeding rod 22 of spiral feeding device 2 as far as possible.

In this embodiment, an access hole is opened on one side of the hot air cover 54, and a sealing cover is fixedly disposed on one side of the hot air cover 54 through a predetermined bolt on the access plate 11 of the access hole. By disassembling the access panel 11, maintenance/repair/replacement of the heating wire 55 can be facilitated through the access opening.

In this embodiment, the inner cavity of the feeding pipe 21 is fixedly provided with the humidity sensor 12, the outer wall of the feeding pipe 21 is fixedly provided with the controller 13 and the alarm 14, the humidity sensor 12 in the prior art is adopted as the humidity sensor 12, the plc single chip microcomputer is adopted as the main control chip by the controller 13, the LED indicating lamp is adopted by the alarm 14, and the humidity sensor 12 is electrically connected with the controller 13 and the controller 13 are electrically connected with the alarm 14.

Humidity transducer 12 can detect the humidity of conveying pipe 21 inner chamber, and feeds back humidity data information to controller 13, and controller 13 is when judging that humidity surpasses the default, and alarm 14 takes place the police dispatch newspaper, and the staff at this moment need judge whether can continue normal production to the quality of major ingredient plastic granules (be how much of surface moisture).

The implementation principle is as follows: in the process of quantitatively conveying the main material plastic particles by the spiral feeding device 2, the heating wires 55 and the blower 56 are started, the blower 56 conveys hot air around the heating wires 55 to the inner cavity of the feeding pipe 21 sequentially through the air supply cover 51 and the vent holes 52, and the residual moisture on the surfaces of the main material plastic particles is contacted with the hot air to be evaporated, so that the residual moisture on the surfaces of the main material plastic particles is removed, and the defect of a plastic barrel formed by injection molding is reduced.

The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, 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 granules feed proportioning system, includes spiral material feeding unit (2), sets firmly in feeder hopper (31) of spiral material feeding unit (2) feed inlet, sets firmly in discharging pipe (32) of spiral material feeding unit (2) discharge gate and is located agitator (4) of discharging pipe (32) below, its characterized in that: the spiral feeding device (2) comprises a feeding pipe (21), a spiral feeding rod (22) which is rotatably arranged in an inner cavity of the feeding pipe (21) and a rotary driving assembly (23) which is fixedly arranged on the feeding pipe (21) and used for driving the spiral feeding rod (22) to rotate; the side, facing the ground, of the feeding pipe (21) is covered with an air supply cover (51), the side, facing the ground, of the feeding pipe (21) is provided with a plurality of groups of vent holes (52) corresponding to the positions of the air supply cover (51), and the tops of the vent holes (52) are covered with separation nets (53); the bottom of the feeding pipe (21) is fixedly provided with a hot air cover (54) communicated with the air supply cover (51), a plurality of groups of heating wires (55) are fixedly arranged in the hot air cover (54), and the outside of the hot air cover (54) is communicated with a blower (56).

2. A plastic pellet dosing system as claimed in claim 1 wherein: and heat insulation layers (6) are fixedly arranged on the outer walls of the hot air cover (54) and the air supply cover (51).

3. A plastic pellet dosing system as claimed in claim 1 wherein: the air supply cover (51) bottom has set firmly interception box (71), the material taking mouth has been seted up to interception box (71) bottom, the material taking mouth slides and inlays and is equipped with drawer (72), drawer (72) inboard has set firmly first magnet (73), interception box (71) inboard has set firmly second magnet (74) with first magnet (73) looks magnetism suction adaptation.

4. A plastic pellet dosing system as claimed in claim 1 wherein: still including base (1) that is located spiral material feeding unit (2) below, base (1) bottom surface has set firmly universal wheel (10), spiral material feeding unit (2) bottom articulates in base (1) top surface, spiral material feeding unit (2) top articulates there is bracing piece (81), bracing piece (81) are kept away from spiral material feeding unit (2) one end and are articulated to have slider (82), base (1) top surface sets firmly slide rail (83) with slider (82) looks slip adaptation, just base (1) top surface sets firmly translation drive assembly (84) that are used for driving slider (82) to remove.

5. A plastic pellet dosing system as claimed in claim 4 wherein: the translation driving assembly (84) comprises a translation motor (841) fixedly arranged on the top surface of the base (1), a threaded rod (842) fixedly arranged on an output shaft of the translation motor (841), and a nut seat (843) in threaded connection with the threaded rod (842), wherein the nut seat (843) is fixedly arranged on the sliding block (82).

6. A plastic pellet dosing system as claimed in claim 1 wherein: feeder hopper (31) top articulates there is protecting frame (91), protecting frame (91) inboard sets firmly a plurality of equidistance interval arrangement's protection strip (92).

7. A plastic pellet dispensing system as claimed in claim 1, wherein: an access hole is formed in one side of the hot air cover (54), and an access plate (11) which is covered on the access hole is fixedly arranged on one side of the hot air cover (54).

8. A plastic pellet dosing system as claimed in claim 1 wherein: the humidity sensor (12) is fixedly arranged in the inner cavity of the feeding pipe (21), the controller (13) and the alarm (14) are fixedly arranged on the outer wall of the feeding pipe (21), and the humidity sensor (12) is electrically connected with the controller (13) and the controller (13) is electrically connected with the alarm (14).