CN219705732U - Plastic raw material pretreatment device for quantitative blanking and blocking prevention - Google Patents

Abstract

The utility model discloses a quantitative blanking anti-blocking plastic raw material pretreatment device which comprises a mixing tank, wherein the upper end of the mixing tank is provided with an opening, the lower end face of the mixing tank is provided with a discharging pipe, a valve is arranged on the discharging pipe, the upper end face of the mixing tank is provided with a sealing cover, the axis of the sealing cover is rotatably provided with a stirring shaft, the stirring shaft extends into the mixing tank, stirring blades are uniformly distributed on the stirring shaft, the sealing cover is provided with a driving mechanism capable of driving the stirring shaft to rotate, the sealing cover is provided with a plurality of blanking hoppers, each blanking hopper consists of a storage hopper and a blanking pipe which are mutually connected, the blanking pipe is arranged on the sealing cover, the discharging end of the blanking pipe is communicated with the inside of the mixing tank, the blanking pipe is internally provided with a quantitative blanking device, the quantitative blanking device comprises a rotating sleeve which is rotatably arranged in the blanking pipe, the rotating sleeve is internally provided with spiral blanking blades, and the stirring shaft is in transmission connection with the rotating sleeve. Compared with the prior art, the blanking device has the advantages of simple and reasonable structure, quantitative blanking realization and blanking anti-blocking.

Description

Plastic raw material pretreatment device for quantitative blanking and blocking prevention

Technical Field

The utility model relates to a quantitative blanking anti-blocking plastic raw material pretreatment device.

Background

Plastic products are commonly called articles for life, industry and the like which are processed by adopting plastics as main raw materials. Including all technical products such as injection molding, plastic suction and the like which take plastics as raw materials. In the process of processing the plastic product, a raw material pretreatment device and other related production equipment are needed, wherein the raw material pretreatment device is mainly used for stirring and mixing materials in the process of adding ingredients, so as to ensure the quality and uniformity of the plastic product;

the prior art is like chinese patent document, and the bulletin number is CN217752197U, discloses a raw materials preprocessing device for avoiding plastic products raw materials remain, plastic products raw materials preprocessing technology field, includes: the cylinder comprises a plurality of annular feed inlets formed in the top of the cylinder and discharge outlets formed in the bottom of the cylinder; the stirring assembly is arranged in the cylinder; the stirring assembly drives the stirring piece to rotate in the annular groove, so that the stirring piece can pass through all the feed inlets and stir the plastic product raw materials at the feed inlets, the plastic product raw materials can be accelerated to flow in the feed inlets, and the raw materials can be prevented from being blocked at the feed inlets;

in the prior art, materials enter the cylinder from the feed inlet, and in the feeding process, the materials pass through all the feed inlets of the plectrum path and stir plastic product raw materials at the feed inlets so as to prevent the materials from being blocked. In the technical scheme, although the material in the feed inlet can be stirred, quantitative blanking can not be realized, and the problems of quick blanking and slow blanking of one feed inlet exist. The mixing of materials can be affected to a certain extent;

therefore, a quantitative blanking anti-blocking plastic raw material pretreatment device is urgently needed to solve the problem.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a quantitative blanking anti-blocking plastic raw material pretreatment device;

the plastic raw material pretreatment device comprises a mixing tank, wherein the upper end of the mixing tank is provided with an opening, a discharging pipe is arranged on the lower end face of the mixing tank, a valve is arranged on the discharging pipe, a sealing cover is arranged on the upper end face of the mixing tank, a stirring shaft is rotatably arranged at the axis of the sealing cover, the stirring shaft extends into the mixing tank, stirring blades are uniformly distributed on the stirring shaft, a driving mechanism capable of driving the stirring shaft to rotate is arranged on the sealing cover, a plurality of discharging hoppers are arranged on the sealing cover, the discharging hoppers consist of mutually connected storage hoppers and discharging pipes, the discharging pipes are arranged on the sealing cover, the discharging ends of the discharging hoppers are communicated with the inside of the mixing tank, a quantitative discharging device is arranged in the discharging pipes, the quantitative discharging device comprises a rotating sleeve rotatably arranged in the discharging pipes, the rotating sleeve is internally provided with spiral discharging blades, and the stirring shaft is in transmission connection with the rotating sleeve;

preferably, a first gear is installed on the stirring shaft, a second gear is arranged on the rotating sleeve, and the first gear and the second gear are meshed with each other;

preferably, the outer wall of the rotating sleeve is attached to the inner wall of the blanking pipe, a ring-shaped groove is formed in the outer wall of the rotating sleeve, a plurality of threaded holes are uniformly distributed in the position, corresponding to the ring-shaped groove, of the blanking pipe along the circumference of the ring-shaped groove, and limit bolts used for being embedded into the ring-shaped groove are arranged in the threaded holes;

preferably, the cross section of the annular groove and the end surface of the limit bolt, which is attached to the annular groove, are arc-shaped;

preferably, the driving mechanism comprises a first bevel gear arranged at the upper end of the stirring shaft, a first bracket is arranged on the sealing cover, a first motor is arranged on the first bracket, and a second bevel gear meshed with the first bevel gear is arranged on a motor shaft of the first motor;

preferably, the lower end of the stirring shaft is provided with a plurality of stirring rods along the circumferential array, the stirring rods consist of a connecting section and a positioning section, and the positioning section is positioned in the discharging pipe and is attached to the inner wall of the discharging pipe;

preferably, the mixing tank is provided with a plurality of support rods which extend downwards for supporting;

compared with the prior art, the quantitative blanking device has the advantages that the structure is simple and reasonable, quantitative blanking is realized, the blanking is prevented from being blocked, the sealing cover is provided with a plurality of blanking hoppers, each blanking hopper consists of a storage hopper and a blanking pipe which are connected with each other, the blanking pipe is arranged on the sealing cover, the discharging end of the blanking pipe is communicated with the inside of the mixing tank, the quantitative blanking device is arranged in the blanking pipe and comprises a rotating sleeve which is rotatably arranged in the blanking pipe, spiral blanking blades are arranged in the rotating sleeve, and the stirring shaft is in transmission connection with the rotating sleeve. The quantitative blanking device can realize quantitative blanking and prevent blanking pipe from being blocked at the same time so as to realize the double effects of quantification and anti-blocking. The quantitative discharging can enable different materials positioned in the plurality of discharging hoppers to be quantitatively input into the mixing tank, and the mixing effect can be effectively improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic cross-sectional view of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present utility model;

FIG. 6 is a schematic diagram of an exploded construction of the present utility model;

fig. 7 is an enlarged view of the structure of fig. 6 at C according to the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings and examples;

referring to fig. 1-7, a plastic raw material pretreatment device for quantitative blanking anti-blocking comprises a mixing tank 10 with an opening at the upper end, wherein a discharging pipe 110 is installed on the lower end surface of the mixing tank 10, a valve 120 is installed on the discharging pipe 110, a sealing cover 140 is installed on the upper end surface of the mixing tank 10, a stirring shaft 30 is rotatably arranged at the axle center of the sealing cover 140, the stirring shaft 30 extends into the mixing tank 10, stirring blades 310 are uniformly distributed on the stirring shaft 30, a driving mechanism 40 capable of driving the stirring shaft 30 to rotate is arranged on the sealing cover 140, a plurality of blanking hoppers 20 are arranged on the sealing cover 140, the blanking hoppers 20 consist of mutually connected storage hoppers 210 and blanking pipes 220, the blanking pipes 220 are arranged on the sealing cover 140, the discharging ends of the blanking pipes are communicated with the inside of the mixing tank 10, a quantitative blanking device 50 is arranged in the blanking pipes 220, the quantitative blanking device 50 comprises a rotating sleeve 510 rotatably arranged in the blanking pipes 220, a spiral blanking blade 520 is arranged in the rotating sleeve 510, and the rotating sleeve 510 is connected with the rotating sleeve 30;

the working principle of the present utility model is that various raw materials are added to each of the hoppers 20 at the time of use. Then, the driving mechanism 40 is started to rotate the stirring shaft 30, and when the stirring shaft 30 rotates, the stirring shaft can drive the stirring blade 310 to stir in a rotating way, so that the raw materials are mixed. When the stirring shaft 30 rotates, the stirring shaft can be driven by the rotating sleeve 510 to drive the rotating sleeve 510 to rotate so as to realize the rotation of the spiral blanking blades 520, and the spiral blanking blades 520 rotate so as to drive the materials in the storage hopper 210 to be conveyed into the mixing tank 10 after being conveyed through the blanking pipe 220;

the quantitative blanking device can realize quantitative blanking and prevent blanking pipe from being blocked at the same time so as to realize the double effects of quantification and anti-blocking. The quantitative discharging can enable different materials in the plurality of discharging hoppers to be quantitatively input into the mixing tank, so that the mixing effect can be effectively improved;

referring to fig. 5, a first gear 550 is mounted on the stirring shaft 30, and a second gear 540 is provided on the rotating sleeve 510, and the first gear 550 and the second gear 540 are meshed with each other. Through the meshing transmission of the first gear 550 and the second gear 540, the rotating sleeve 510 can be driven to rotate when the stirring shaft 30 rotates;

referring to fig. 5 and 7, the outer wall of the rotating sleeve 510 is attached to the inner wall of the blanking tube 220, a ring-shaped groove 511 is formed on the outer wall of the rotating sleeve 510, a plurality of threaded holes 221 are uniformly distributed along the circumference of the blanking tube 220 at positions corresponding to the ring-shaped groove 511, and limit bolts 530 for being embedded into the ring-shaped groove 511 are arranged in the threaded holes 221. The cross section of the annular groove 511 and the end surface of the limit bolt 530, which is attached to the annular groove 511, are arc-shaped;

in the present utility model, the limit bolt 530 can limit the up and down position of the rotating sleeve 520, so as to prevent the first gear and the second gear from being engaged and driven due to the up and down movement. The annular groove 511 is arranged, so that the upper limit and the lower limit of the limit bolt 530 are matched, and the annular groove 511 can enable the limit bolt 530 to move in the annular groove 511 in the rotating process of the rotating sleeve 520;

referring to fig. 3, the driving mechanism 40 includes a first bevel gear 410 disposed at an upper end of the stirring shaft 30, a first bracket 440 is disposed on the sealing cover 140, a first motor 430 is disposed on the first bracket 440, and a second bevel gear 420 engaged with the first bevel gear 410 is disposed on a motor shaft of the first motor 430;

the first motor 430 is an existing motor with a gearbox;

the working principle of the stirring shaft 30 is that the first motor 430 drives the second bevel gear 420 to rotate, and the second bevel gear 420 is driven by the first bevel gear 410 to drive the stirring shaft 30 to rotate;

referring to fig. 4, a plurality of stirring rods 320 are arranged at the lower end of the stirring shaft 30 along the circumferential array thereof, the stirring rods 320 are composed of a connecting section 321 and a positioning section 322, and the positioning section 322 is positioned in the discharging pipe 110 and is attached to the inner wall of the discharging pipe 110;

in the present utility model, the mixing tank 10 is provided with a plurality of support rods 130 extending downward for supporting;

what is not described in detail in this specification belongs to the prior art known to those skilled in the art;

in the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying the number of technical features being indicated;

the foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a plastic raw materials preprocessing device that jam is prevented in ration unloading, includes mixing tank (10) that upper end opening set up, install discharging pipe (110) on the lower terminal surface of mixing tank (10), install valve (120) on discharging pipe (110), install sealed lid (140) on the up end of mixing tank (10), the axle center department rotation of sealed lid (140) is provided with (mixing) shaft (30), (mixing) shaft (30) extend to in mixing tank (10), the equipartition has stirring vane (310) on (mixing) shaft (30), be equipped with on sealed lid (140) and order about (mixing) shaft (30) pivoted actuating mechanism (40), its characterized in that: be equipped with a plurality of unloading hoppers (20) on sealed lid (140), unloading hoppers (20) are by storage hopper (210) and unloading pipe (220) that interconnect are constituteed, unloading pipe (220) set up on sealed lid (140), its discharge end with the inside intercommunication of blending tank (10) be equipped with quantitative unloader (50) in unloading pipe (220), quantitative unloader (50) are including rotating setting up rotation cover (510) in unloading pipe (220), be equipped with spiral unloading blade (520) in rotation cover (510), (30) with rotation cover (510) transmission is connected.

2. The quantitative blanking anti-blocking plastic raw material pretreatment device according to claim 1, characterized in that: the stirring shaft (30) is provided with a first gear (550), the rotating sleeve (510) is provided with a second gear (540), and the first gear (550) is meshed with the second gear (540).

3. The quantitative blanking anti-blocking plastic raw material pretreatment device according to claim 1, characterized in that: the outer wall of the rotary sleeve (510) is attached to the inner wall of the blanking pipe (220), a ring-shaped groove (511) is formed in the outer wall of the rotary sleeve (510), a plurality of threaded holes (221) are uniformly distributed in the position, corresponding to the ring-shaped groove (511), of the blanking pipe (220) along the circumference of the ring-shaped groove, and limit bolts (530) used for being embedded into the ring-shaped groove (511) are arranged in the threaded holes (221).

4. A quantitative blanking anti-clogging plastic raw material pretreatment device as claimed in claim 3, characterized in that: the cross section of the annular groove (511) and the end surface of the limit bolt (530) attached to the annular groove (511) are arc-shaped.

5. A quantitative blanking anti-clogging plastic raw material pretreatment device according to any one of claims 1 to 4, characterized in that: the driving mechanism (40) comprises a first bevel gear (410) arranged at the upper end of the stirring shaft (30), a first support (440) is arranged on the sealing cover (140), a first motor (430) is arranged on the first support (440), and a second bevel gear (420) meshed with the first bevel gear (410) is arranged on a motor shaft of the first motor (430).

6. A quantitative blanking anti-clogging plastic raw material pretreatment device according to any one of claims 1 to 4, characterized in that: the lower extreme of (30) is provided with many puddlers (320) along its circumference array, puddler (320) are constituteed by linkage segment (321) and location section (322), location section (322) are located in discharging pipe (110), and with discharging pipe (110) inner wall laminating mutually.

7. A quantitative blanking anti-clogging plastic raw material pretreatment device according to any one of claims 1 to 4, characterized in that: the mixing tank (10) is provided with a plurality of support rods (130) which extend downwards and are used for supporting.