CN111976050A

CN111976050A - Automotive interior moulds plastics and uses automatic blending agitating unit

Info

Publication number: CN111976050A
Application number: CN202011154773.7A
Authority: CN
Inventors: 刘敏; 曲永辉; 栾世涛; 韩同斌; 李玉华
Original assignee: Zhongjia Plastics Longkou Co ltd
Current assignee: Zhongjia Plastics Longkou Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2020-11-24
Anticipated expiration: 2040-10-26
Also published as: CN111976050B

Abstract

The invention provides an automatic batching and stirring device for automotive interior injection molding, and mainly relates to the field of mixing and stirring. Automotive interior moulds plastics and uses automatic blending agitating unit includes the agitator tank, set up the cover on the agitator tank, set up on the cover respectively and add a plurality of, rotary motor, blast pipe one of charging tank, it sets up the unloading pipe to add the charging tank bottom, the cover bottom is rotated and is connected the closure plate, the fixed driving motor that sets up in agitator tank bottom, the agitator tank bottom sets up spiral agitating unit, discharging pipe below fixed connection cooling tank, agitator tank outer wall fixed connection is on outside support, set up the control box on the support. The invention has the beneficial effects that: the invention can automatically control the work of each part through the control device; when the mixture is stirred, the bottom of each blanking pipe can be sealed by the sealing plate, so that the mixed raw materials are prevented from being refilled into the blanking pipes; the spiral stirring device is matched with the turbulence rod to fully stir, so that the stirring efficiency is improved.

Description

Automotive interior moulds plastics and uses automatic blending agitating unit

Technical Field

The invention mainly relates to the field of mixing and stirring, in particular to an automatic batching and stirring device for automotive interior injection molding.

Background

The automobile almost becomes a necessary travel tool for every family, and the quality and workmanship of the automobile interior can greatly influence the public praise of the consumers to automobile production enterprises. Therefore, most of the known automobile manufacturers strictly control the production quality of the automobile interior trim injection molding parts used by the automobile manufacturers so as to maximize the high product quality and enhance the competitiveness of the enterprises in the market.

The automotive interior production process of moulding plastics can be at first carried out the batching to the raw materials of moulding plastics according to the proportion and mix, then carries out intensive mixing, need strictly control stirring temperature among the stirring process, and need add different additives when different temperatures in order to strengthen or change the performance of injection moulding product, need in time cool down mixed raw materials to certain temperature range after the stirring is accomplished and filter and add the injection molding machine and extrude and mould plastics.

The processing equipment used in the existing automotive interior injection molding production industry has the following defects: some equipment has low production automation degree, and raw materials need to be added manually in parts; some devices have the problem of insufficient stirring after mixing of raw materials, which may affect the surface quality of injection-molded products; mix the raw materials and can rotate at a high speed under agitating unit's drive when stirring, some equipment sets up more raw materials and adds the entry, and the mixed raw materials of high-speed rotation can flow back into feed pipe part and remain wherein, can lead to follow-up additive that adds to add in the jar to reach and preset the dosage requirement to influence injection moulding product property ability, and the raw materials that remain in the inlet pipe are inconvenient to be cleared up.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides an automatic batching and stirring device for automotive interior injection molding, which can control a control device in a box to automatically control the work of each part and improve the production efficiency; when the mixture is stirred at high temperature and high speed, the bottom of each blanking pipe can be sealed by the sealing plate under the driving of the rotary motor, so that the mixed raw materials are prevented from being refilled into the blanking pipes during stirring; the spiral stirring device is matched with the turbulence rod to fully stir the mixture, so that the stirring efficiency is improved.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an automatic batching and stirring device for injection molding of automotive interiors comprises a stirring tank, wherein a tank cover is arranged on the stirring tank, the tank body of the stirring tank is of an inner-outer double-layer structure, the outer layer is a shell, the inner layer is a heating layer, a plurality of feeding tanks, a rotary motor and a first exhaust pipe are respectively arranged on the tank cover, a feeding pipe is arranged at the bottom of each feeding tank, the feeding pipe is fixedly connected with a tank cover, an electric control flow valve is arranged at the top of each feeding pipe, the bottom of each tank cover is rotatably connected with a sealing plate, an opening matched with the feeding pipe and the first exhaust pipe is arranged on each sealing plate, a gear disc is arranged at the upper part of each sealing plate, an electric control ejector is fixedly installed at the center of the upper part of each tank cover, an additive tank is arranged above the electric control ejector, a driving motor is fixedly arranged at, the fixed multiunit vortex pole that sets up on the agitator tank inner wall, the agitator tank bottom is provided with temperature sensor one, the agitator tank bottom sets up the discharging pipe, set up the pipeline solenoid valve on the discharging pipe, discharging pipe below fixed connection cooling tank, agitator tank outer wall fixed connection is on the support of outside, set up the control box on the support.

The charging tank is provided with six and is installed at the cover top in a circular axisymmetric manner, the diameters of the blanking pipes connected with the lower part are different, and the diameters of the blanking pipes are in direct proportion to the capacity of the charging tank connected with the charging tank.

The rotary motor is characterized in that a driving gear is arranged on a rotary motor shaft and is rotationally connected with the outer edge of a gear disc, the upper portion of the gear disc is connected with a first plane bearing through a hollow rotary shaft, the first plane bearing is installed on the upper portion of a tank cover in an embedded mode, and a cover plate is arranged above the first plane bearing.

Spiral agitating unit includes the axis of rotation, the fixed helical blade that sets up in the axis of rotation, the axis of rotation top uses roller bearing to rotate and connects the locating rack, locating rack outer end fixed connection is on the agitator tank inner wall, the axis of rotation bottom is rotated and is connected planar bearing two, axis of rotation and driving motor output shaft fixed connection.

The support comprises a manual operation platform, a protective guard is arranged on the outer side of the manual operation platform, supporting columns are arranged at four corners of the bottom of the manual operation platform, a straight ladder is fixedly arranged on one side of the manual operation platform, and a control box is fixedly arranged on the supporting columns.

Set up the cooling water intermediate layer in the cooling tank casing, cooling tank top sets up the injection pipe of blast pipe two and cooling water respectively, cooling tank lateral wall bottom sets up the discharge pipe of arranging material pipe and cooling water respectively, set up temperature sensor two in the cooling tank.

Compared with the prior art, the invention has the beneficial effects that:

the invention can automatically control the work of each part through the control device in the control box, thereby improving the production efficiency; when the mixture is stirred at high temperature and high speed, the bottom of each blanking pipe can be sealed by the sealing plate under the driving of the rotary motor, so that the mixed raw materials are prevented from being refilled into the blanking pipes during stirring; the spiral stirring device is matched with the turbulence rod to fully stir the mixture, so that the stirring efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a first perspective structure of the present invention;

FIG. 2 is a schematic diagram of a second perspective structure of the present invention;

FIG. 3 is a schematic view of the internal cross-sectional structure of the stirring tank of the present invention;

FIG. 4 is a schematic front view of the closure panel of the present invention;

FIG. 5 is a schematic isometric view of a closure plate according to the present invention;

FIG. 6 is a schematic view of the cooling tank structure of the present invention.

Reference numerals shown in the drawings: 1. a stirring tank; 2. a can lid; 3. a cooling tank; 4. a support; 5. a control box; 11. A housing; 12. a heating layer; 13. a drive motor; 14. a helical stirring device; 15. a spoiler bar; 16. a first temperature sensor; 17. a discharge pipe; 18. a pipeline solenoid valve; 21. a charging tank; 22. a rotary motor; 23. a first exhaust pipe; 24. a discharging pipe; 25. an electrically controlled flow valve; 26. a closing plate; 27. an opening; 28. a gear plate; 29. an electronically controlled ejector; 20. an additive tank; 30. a cooling water interlayer; 31. an injection pipe; 32. a second exhaust pipe; 33. a discharge pipe; 34. a discharge pipe; 35. a second temperature sensor; 41. a manual operation platform; 42. protecting the fence; 43. a pillar; 44. a straight ladder; 141. a rotating shaft; 142. a helical blade; 143. a positioning frame; 144. a second plane bearing; 221. a drive gear; 222. a first plane bearing; 223. and (7) a cover plate.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

With reference to the accompanying drawings 1-6, an automotive interior is moulded plastics and is used automatic blending agitating unit, including agitator tank 1, fixed mounting cover 2 on agitator tank 1, the agitator tank 1 jar body is inside and outside bilayer structure, and the skin is shell 11, and the inlayer is zone of heating 12, fixed a plurality of, rotary motor 22, blast pipe 23 of charging tank 21 that are equipped with respectively on cover 2, charging tank 21 bottom fixedly connected with unloading pipe 24, unloading pipe 24 bottom fixed connection cover 2, the top is equipped with automatically controlled flow valve 25 in unloading pipe 24, cover 2 bottom is rotated and is connected closing plate 26, offer the opening 27 that suits with unloading pipe 24, blast pipe 23 on closing plate 26, closing plate 26 upper portion fixed connection toothed disc 28, cover 2 upper portion center fixed mounting automatically controlled sprayer 29, set up additive jar 20 above automatically controlled sprayer 29, 1 bottom fixed mounting driving motor 13 of agitator tank, the bottom is equipped with spiral agitating unit 14 in 1 agitator tank, driving motor 13 drive spiral agitating unit 14 is rotatory, weld multiunit vortex pole 15 on 1 inner wall of agitator tank, temperature sensor 16 is installed to the bottom in 1 agitator tank, 1 bottom fixedly connected with discharging pipe 17 of agitator tank, installation pipeline solenoid valve 18 on the discharging pipe 17, discharging pipe 17 below fixed connection cooling tank 3, 1 outer wall fixed connection of agitator tank is on support 4 outside, set up control box 5 on support 4.

Reinforced jar 21 is equipped with six and is circle axial symmetry fixed mounting at cover 2 top, and the unloading pipe 24 diameter that its capacity and below are connected is all inequality, and unloading pipe 24 diameter is directly proportional with the reinforced jar 21 capacity that is connected. The blanking time of each mixture is close, and the batching efficiency is improved.

The rotary motor 22 is fixedly provided with a driving gear 221 on a rotating shaft, the driving gear 221 is rotatably connected with the outer edge of the gear disc 28, the upper part of the gear disc 28 is connected with a first plane bearing 222 through a hollow rotating shaft, the first plane bearing 222 is embedded and installed on the upper part of the tank cover 2, and a cover plate 223 is arranged above the first plane bearing 222. The cover plate 223 is fixedly connected to the tank cover 2, and the electronically controlled injector 29 is fixedly mounted on the cover plate 223.

Spiral agitating unit 14 includes axis of rotation 141, fixed welding has helical blade 142 on axis of rotation 141, axis of rotation 141 top uses roller bearing to rotate and connects locating rack 143, locating rack 143 outer end fixed connection is on agitator tank 1 inner wall, axis of rotation 141 bottom is rotated and is connected two 144 of plane bearing, axis of rotation 141 and driving motor 13 output shaft fixed connection. The second plane bearing 144 bears the weight of the rotating shaft 141 and the helical blade 142, and the positioning frame 143 ensures that the rotating shaft 141 does not deviate from the rotating center during rotation, thereby ensuring the stable operation of the device.

The support 4 comprises a manual operation platform 41, the guard rails 42 are welded on the outer side of the manual operation platform 41, support columns 43 are installed at four corners of the bottom of the manual operation platform 41 through bolts, a straight ladder 44 is welded on one side of the manual operation platform 41, and a control box 5 is fixedly installed on the support columns 43. The vertical ladder 44 facilitates the worker to go to the manual operation platform 41 for manual operation, maintenance and the like.

Set up cooling water intermediate layer 30 in the cooling tank 3 casing, the injection pipe 31 of two 32 blast pipes and cooling water of fixed being equipped with respectively in cooling tank 3 top, 3 lateral wall bottoms of cooling tank are equipped with row's material pipe 33 and cooling water's discharge pipe 34 respectively, be equipped with two 35 of temperature sensor in the cooling tank 3.

The control box 5 is a control device based on a single chip microcomputer, a plurality of function buttons are arranged in the control box 5, and the control box 5 is electrically connected with electrical elements such as a rotary motor 22, a driving motor 13, a heating layer 12, an electric control flow valve 25, an electric control ejector 29, a first temperature sensor 16, a second temperature sensor 35, a pipeline electromagnetic valve 18 and the like and can control the work of the electrical elements.

A feeding mechanism is arranged on one side of the device to feed materials into each feeding tank 21, so that the raw materials are guaranteed to be supplied in time. The electric control flow valve 25 in the blanking pipe 24 can control the blanking quantity, and the control box 5 timely closes the flow valve to stop blanking when the blanking quantity reaches the preset quantity. The closing plate 26 is used for closing the bottom of each blanking pipe 24, an upper opening 27 of the closing plate 26 is aligned with the bottom of each blanking pipe 24 during blanking, and after blanking is completed, the rotary motor 22 drives the gear disc 28 to rotate under the control of the control box 5, so as to drive the closing plate 26 to rotate. The bottom of each discharging pipe 24 is sealed after the sealing plate 26 rotates anticlockwise by 10 degrees, so that the problems of residues and the like caused by the fact that injection molding mixed raw materials are poured back into the discharging pipes 24 during high-speed stirring are solved; the first exhaust pipe 23 is aligned with the corresponding opening 27 of the blanking pipe 24 at the bottom of the adjacent charging tank 21, and the first exhaust pipe 23 is always in an unblocked state, so that the internal air pressure is prevented from being too high. In the process of mixing the raw materials, some additives are required to be added to improve the performance of injection products, and because the additive is less in addition amount and needs to be added within a specified temperature range in the stirring process, the additives in the device are injected into the stirring tank 1 by adopting an electric control injector 29.

After the stirring begins, the heating layer 12 heats the mixture, the driving motor 13 drives the spiral stirring device 14 to rotate, the mixture in the stirring tank 1 is stirred by the spiral blades 142, and solid or semi-solid raw materials impact the turbulence rods 15 in the stirring process to be crushed by impact force so as to improve the stirring efficiency and ensure that the stirring is more sufficient. The first temperature sensor 16 and the second temperature sensor 35 can monitor temperature data in real time and transmit the temperature data to the control box 5, and the control box 5 regulates and controls the work of other parts according to the temperature data. After the stirring is finished, the pipeline electromagnetic valve 18 is automatically opened under the control of the control box 5, the stirred injection molding mixture is added into the cooling tank 3 for cooling, the cooling water with lower temperature is continuously circulated in the cooling water interlayer 30 of the cooling tank 3 through the injection pipe 31 and the discharge pipe 34 to cool the mixture, the mixture is cooled to a preset temperature range and enters a subsequent filtering device, and the mixture can be added into an injection molding machine for injection molding production after being filtered.

This device is when using, start equipment work through controlling means, agitating unit begins low-speed operation, zone of heating 12 begins to preheat, automatically controlled flow valve 25 opens and adds in the agitator tank 1 of raw materials among the feeding tank 21, the automatic shutdown is reinforced when adding and reaching predetermined quantity according to the required quantity that adds of raw materials, zone of heating 12 carries out rapid heating to mixed raw materials after reinforced the completion, agitating unit slew velocity improves gradually, spray when jar internal temperature heats to about 70 ℃ and add impact modifier, processing modifier etc. adds emollient when heating to 85 ℃, add filler etc. when heating to about 100 ℃, continue to heat and stir. After the mixture is fully stirred, the pipeline electromagnetic valve 18 is opened, the uniformly stirred mixture enters the cooling tank 3 to be cooled, the mixture is discharged through the discharge pipe 34 when the temperature of the mixture is cooled to a preset temperature, and the cooled mixture is filtered to remove impurity particles and then is added into an injection molding machine to be extruded and injected.

Claims

1. The utility model provides an automotive interior moulds plastics and uses automatic blending agitating unit, includes agitator tank (1), its characterized in that: set up cover (2) on agitator tank (1), agitator tank (1) jar body is inside and outside bilayer structure, and the skin is shell (11), and the inlayer is zone of heating (12), set up respectively on cover (2) and add a plurality of, rotary machine (22), blast pipe (23) of feed tank (21), add feed tank (21) bottom and set up unloading pipe (24), unloading pipe (24) fixed connection cover (2), unloading pipe (24) top is equipped with automatically controlled flow valve (25), cover (2) bottom is rotated and is connected closing plate (26), be equipped with opening (27) that suit with unloading pipe (24), blast pipe (23) on closing plate (26), closing plate (26) upper portion sets up toothed disc (28), cover (2) upper portion center fixed mounting automatically controlled sprayer (29), automatically controlled sprayer (29) top sets up additive jar (20), agitator tank (1) bottom is fixed to be set up driving motor (13), the bottom sets up spiral agitating unit (14) in agitator tank (1), driving motor (13) drive spiral agitating unit (14) are rotatory, the fixed multiunit vortex pole (15) that sets up on agitator tank (1) inner wall, the bottom is provided with temperature sensor (16) in agitator tank (1), agitator tank (1) bottom sets up discharging pipe (17), set up pipeline solenoid valve (18) on discharging pipe (17), discharging pipe (17) below fixed connection cooling tank (3), agitator tank (1) outer wall fixed connection is on outside support (4), set up control box (5) on support (4).

2. The automatic batching and stirring device for the injection molding of the automotive interior according to claim 1, characterized in that: add feed tank (21) and be that circle axial symmetry installs at cover (2) top, and unloading pipe (24) diameter that its capacity and below are connected is all inequality, and unloading pipe (24) diameter is directly proportional with the feed tank (21) capacity that is connected.

3. The automatic batching and stirring device for the injection molding of the automotive interior according to claim 1, characterized in that: set up drive gear (221) in slewing motor (22) pivot, drive gear (221) rotate with gear dish (28) outward flange and be connected, gear dish (28) upper portion is through hollow rotating shaft connection plane bearing one (222), embedded the installing on cover (2) upper portion of plane bearing one (222), plane bearing one (222) top is provided with apron (223).

4. The automatic batching and stirring device for the injection molding of the automotive interior according to claim 1, characterized in that: spiral agitating unit (14) are including axis of rotation (141), fixed helical blade (142) that sets up on axis of rotation (141), axis of rotation (141) top uses roller bearing to rotate and connects locating rack (143), locating rack (143) outer end fixed connection is on agitator tank (1) inner wall, axis of rotation (141) bottom is rotated and is connected planar bearing two (144), axis of rotation (141) and driving motor (13) output shaft fixed connection.

5. The automatic batching and stirring device for the injection molding of the automotive interior according to claim 1, characterized in that: the support (4) comprises a manual operation platform (41), a protective guard (42) is arranged on the outer side of the manual operation platform (41), support columns (43) are arranged at four corners of the bottom of the manual operation platform (41), a straight ladder (44) is fixedly arranged on one side of the manual operation platform (41), and a control box (5) is fixedly arranged on the support columns (43).

6. The automatic batching and stirring device for the injection molding of the automotive interior according to claim 1, characterized in that: set up cooling water intermediate layer (30) in cooling tank (3) casing, cooling tank (3) top sets up injection pipe (31) of blast pipe two (32) and cooling water respectively, cooling tank (3) lateral wall bottom sets up discharge pipe (34) of row material pipe (33) and cooling water respectively, set up temperature sensor two (35) in cooling tank (3).