CN212528619U - White master batch mixes with accurate measurement material feeding unit - Google Patents

Abstract

The utility model discloses a white master batch is thoughtlessly joined in marriage and is used precision measurement material feeding unit, including frame, former feed bin, blending bunker and lower feed bin, it is a plurality of former feed bin installs in the frame, is provided with first weighing sensor between former feed bin and the frame, the blending bunker includes upper chamber and lower room, lower room is installed in the frame, upper chamber and lower room intercommunication to install at lower roof portion, former feed bin is connected with the upper chamber, and the upper chamber top is connected with the lid, and the upper chamber is indoor the bottom and is equipped with the flow distribution plate of the type of falling v structure that a plurality of equidistances set up, install agitating unit down indoorly, the lower roof portion is equipped with the discharging pipe, installs the valve on the discharging pipe, down the feed bin is installed in the frame, is provided with second weighing sensor between lower feed bin and the frame, the discharging pipe. Adopt the utility model discloses, realize that various raw materials can require the function of accurate material unloading to twin-screw extruder after weighing, stirring are mixed and mix according to the processing.

Description

White master batch mixes with accurate measurement material feeding unit

Technical Field

The utility model relates to a white master batch processing equipment technical field especially relates to a white master batch is thoughtlessly joined in marriage and is used precision measurement material feeding unit.

Background

Traditional double screw extruder's material feeding unit is a feed bin, and the feed bin is connected with double screw extruder's feed inlet, when batching, needs the workman in advance to weigh each raw materials according to the ratio to throw into each raw materials and stir in the agitator tank and mix, then throw into the feed bin again, like this, the defect that exists is that the process is numerous, consuming time big, and workman's intensity of labour, so need improve material feeding unit.

Disclosure of Invention

The utility model aims to solve the technical problem that a white master batch mixes uses precision measurement material feeding unit is provided, realizes that various raw materialss require precision weighing according to the processing, stir the function of the automatic unloading of material to twin-screw extruder after mixing.

In order to solve the technical problem, the utility model provides a white master batch is thoughtlessly joined in marriage and is used precision measurement material feeding unit, including frame, former feed bin, blending bunker and lower feed bin, it is a plurality of former feed bin installs in the frame, is provided with first weighing sensor between former feed bin and the frame, the blending bunker includes upper chamber and lower chamber, lower chamber is installed in the frame, upper chamber and lower chamber intercommunication to install at lower roof portion, former feed bin and upper chamber are connected, and upper chamber roof portion is connected with the lid, and the upper chamber is interior to be equipped with the flow distribution plate of the type of falling v structure that a plurality of equidistances set up in the bottom, indoor agitating unit that installs down, lower roof portion is equipped with the discharging pipe, installs the valve on the discharging pipe, lower feed bin installs in the frame, is provided with second weighing sensor between lower feed bin and the frame, the discharging pipe is connected.

The raw material bin comprises a first bin body and a first conveying pipe, the first bin body is installed on the rack through a first weighing sensor, the lower portion of the first bin body is funnel-shaped, the feeding end of the first conveying pipe is communicated with the bottom of the first bin body, the first conveying pipe faces the upper chamber direction and is arranged obliquely upwards, the discharging end of the first conveying pipe extends to the upper chamber, and a first material pushing device is arranged in the first conveying pipe.

The bottom of the first conveying pipeline is provided with a discharge opening corresponding to the bottom of the first bin body, and the discharge opening is connected with a first baffle which can be opened or closed.

The bottom of the lower chamber is provided with a bottom plate inclined downwards towards the lower direction of the lower bin, the stirring device comprises a mounting seat, first stirring paddles, a bevel gear transmission pair, a transmission shaft and a first driving motor, the mounting seat is fixed on the bottom plate, the first stirring paddles are rotatably connected with the mounting seat and extend into the lower chamber, the axial lead of each first stirring paddle is perpendicular to the surface of the bottom plate, the first driving motor is installed on the mounting seat, the output end of the first driving motor is connected with the transmission shaft, the transmission shaft is rotatably connected with the mounting seat, and the first stirring paddles are respectively connected with the transmission shaft through the bevel gear transmission pair so that the first stirring paddles rotate synchronously.

The valve comprises a driving cylinder and a second baffle, a discharge hole is formed in the side wall of the lower chamber and communicated with a discharge pipe, the driving cylinder is installed on the outer wall of the lower chamber, and the second baffle is fixed on an extension rod of the driving cylinder and opens or closes the discharge hole under the action of the extension rod of the driving cylinder.

The second baffle plate surface is perpendicular to the bottom plate surface.

The lower bin comprises a second bin body, an anti-blocking device, a second conveying pipe and a second material pushing device, the second bin body is installed on the frame through a second weighing sensor, the anti-blocking device is installed in the second bin body, the lower portion of the second bin body is in a funnel shape, the second conveying pipe inclining downwards is installed on the frame, the second bin body is communicated with the second conveying pipe, and the second material pushing device is arranged in the second conveying pipe.

The anti-blocking device comprises a second driving motor and a second stirring paddle, the second driving motor is installed at the top of the second bin body, the second stirring paddle is installed at the output end of the second driving motor, and the second stirring paddle extends into the second bin body.

Implement the utility model has the advantages that: (1) through setting up former feed bin, blending bunker and feed bin and connecting gradually to realize various raw materialss according to processing requirement automatic blending, stirring and mix and the automatic unloading of the material after mixing to double screw extruder's function. (2) Former feed bin is provided with first weighing sensor, can in time detect the weight change of raw materials in the former feed bin for the unloading stops immediately when the weight of former feed bin unloading reachs the requirement of settlement, thereby reaches the purpose of accurate title material, and feed bin is provided with second weighing sensor down, can in time detect the interior surplus mixing material weight of feed bin down, treat that clout weight can in time supply when reacing the minimum, guarantee that the mixing material lasts the unloading.

Drawings

Fig. 1 is a front sectional view of a precision metering feeding device for blending white master batches provided by the utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

In the figure: 1. a frame; 2. a raw material bin; 21. a first bin body; 22. a first feed delivery pipe; 221. a discharge outlet; 23. a first material pushing device; 231. a first pusher motor; 232. a first screw; 24. a first baffle plate; 3. a mixing bin; 31. an upper chamber; 32. a lower chamber; 321. a base plate; 322. a discharge port; 33. a cover body; 34. a flow distribution plate; 35. a stirring device; 351. a mounting seat; 352. a first stirring paddle; 353. a bevel gear transmission pair; 354. a drive shaft; 355. a first drive motor; 36. a discharge pipe; 37. a valve; 371. a driving cylinder; 372. a second baffle; 4. discharging a bin; 41. a second bin body; 42. an anti-blocking device; 421. a second drive motor; 422. a second stirring paddle; 43. a second delivery pipe; 44. a second material pushing device; 441. a second pushing motor; 442. a second screw; 5. a first weighing sensor; 6. a second load cell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the utility model relates to a white master batch mixes uses precision measurement material feeding unit, including frame 1, former feed bin 2, blending bunker 3, feed bin 4 and controller, the controller is double screw extruder's controller, and the controller is connected with former feed bin 2, blending bunker 3, 4 electricity in feed bin. A plurality of raw material bins 2 are mounted on a frame 1, four raw material bins 2 are taken as an example in this embodiment (for convenience of showing the structure of the present invention, fig. 1 is a front sectional view, so only three raw material bins 2 are shown in the drawing, and the rest one raw material bin 2 is omitted), a first weighing sensor 5 is arranged between the raw material bins 2 and the frame 1, the first weighing sensor 5 can be an S-shaped weighing sensor, the first weighing sensor 5 is electrically connected with a controller, four weighing values corresponding to the raw material ratios are preset on the controller, the first weighing sensor 5 detects the weight of the raw material bins 2 and transmits a signal to the controller, the controller converts the signal into a weight value, when the weight change of the raw material bins 2 is the same as the weighing preset value, the weighing of the material in the raw material bins 2 is completed, the raw material mixing bin 3 comprises an upper chamber 31 and a lower chamber 32, the lower chamber 32 is installed on the frame 1, the upper chamber 31 is communicated with the lower chamber 32 and installed at the top of the lower chamber 32, the raw material bin 2 is connected with the upper chamber 31, the top of the upper chamber 31 is connected with the cover body 33, the cover body 33 prevents raw materials from scattering to the external environment in the process of entering the upper chamber 31, which causes raw material waste and causes incorrect proportion of each raw material, which affects processing quality, the bottom in the upper chamber 31 is provided with a plurality of equally spaced distribution plates 34 with an inverted v-shaped structure, in the embodiment, the number of the distribution plates 34 is preferably three, each raw material in the four raw material bins 2 falls to the upper chamber 31 according to the weight required to be weighed and is scattered to the lower chamber 32 through the plurality of distribution plates 34, specifically, the gap between two adjacent distribution plates 34 should be larger than the external dimension of each raw material, so as to ensure that the raw materials can smoothly flow into the lower chamber 32, the lower chamber 32 is internally provided with the stirring, the stirring device 35 stirs and mixes the raw materials falling into the lower chamber 32, a discharging pipe 36 is arranged at the bottom of the lower chamber 32, a valve 37 is arranged on the discharging pipe 36, the lower bin 4 is arranged on the frame 1, the discharging pipe 36 is connected with the lower bin 4, the lower bin 4 is connected with a double-screw extruder (the double-screw extruder is not shown in the attached drawing), a second weighing sensor 6 is arranged between the lower bin 4 and the frame 1, the second weighing sensor 6 can be an S-shaped weighing sensor, the second weighing sensor 6 is electrically connected with the controller, a lowest weight value is preset on the controller, the second weighing sensor 6 detects the weight of the lower bin 4 and sends a signal to the controller, the controller converts the signal into a weight value, when the weight value of the lower bin 4 is the same as the lowest preset value, the situation that the mixed materials in the raw material bin 2 are completely discharged to the double-screw extruder is shown, the mixed materials need to be replenished in time.

Taking the situation of mixed processing of four raw materials as an example, the four raw materials are respectively put into four raw material bins 2, the raw materials flow out of the raw material bins 2 into an upper chamber 31, a first weighing sensor detects the weight of the raw material bins 2 and sends a signal to a controller, and when the difference value between the weight of the raw material bins before and after the material blending is the same as a preset weight value, the controller controls the raw material bins 2 to stop the blanking; each raw material scatters to lower chamber 32 through upper chamber 31, controller control agitating unit 35 starts the stirring, after a period of time, controller control valve 37 is opened, the material after the mixture flows into lower feed bin 4, after the mixture in lower chamber 32 is completely discharged, controller control valve 37 is closed, and control each raw material storehouse 2 and continue the unloading, the process of next batching begins, the mixture in lower feed bin 4 falls into the twin-screw extruder, second weighing sensor 6 detects the weight of lower feed bin 4, and send the signal to the controller, when the weight numerical value of lower feed bin 4 is the same with minimum predetermined value, controller control valve 37 is opened, make the mixture in lower chamber 32 flow into lower feed bin 4, in order to guarantee that the mixture can flow into the twin-screw extruder from lower feed bin 4 continuously.

In order to ensure that the usage amount of the raw materials in the raw material bin 2 can meet the processing requirement in a single batching, the raw material bin 2 comprises a first bin body 21, a first material conveying pipe 22 and a first material pushing device 23, the first bin body 21 is installed on the frame 1 through a first weighing sensor 5, the lower part of the first bin body 21 is funnel-shaped, the feeding end of the first material conveying pipe 22 is communicated with the bottom of the first bin body 21, the first material conveying pipe 22 is obliquely and upwards arranged towards the upper chamber 31, the discharging end of the first material conveying pipe 22 extends into the upper chamber 31, a gap is formed between the first material conveying pipe 22 and the chamber wall of the upper chamber 31, a brush can be installed in the gap to prevent the raw materials from splashing out of the external environment from the gap between the first material conveying pipe 2 and the chamber wall of the upper chamber 31, the brush can block the raw materials, the first material pushing device 23 is arranged in the first material conveying pipe 22, and the first material pushing device 23 can take the raw materials out of the raw material bin, and is thrown into the upper chamber 31, and because the first material conveying pipe 22 is obliquely and upwardly arranged, the raw materials fly into the upper chamber 31 obliquely and upwardly under the action of the first material pushing device 23, fall to the flow distribution plate 34 after colliding with the cover body 33, and are scattered into the lower chamber 32 under the action of the flow distribution plate 34, so that the effect of primary mixing is achieved, and the raw materials of the same type are prevented from being accumulated and falling. In addition, the cover 33 may be made of an elastic plastic material, so that the noise is low when the raw material collides with the cover 33.

Further, referring to fig. 1 and 2, the first material pushing device 23 includes a first material pushing motor 231 and a first screw rod 232, the first screw rod 232 is rotatably connected to the first material conveying pipe 22, the first material pushing motor 231 is mounted on the first material conveying pipe 22, an output end of the first material pushing motor 231 is connected to the first screw rod 232, the first material pushing motor 231 is a servo motor, and is capable of controlling a rotation speed of the first screw rod 232 by controlling a rotation speed of the first material pushing motor 231, so that a material blanking speed of the raw materials can be adjusted.

Further, referring to fig. 2, in order to clean the remaining raw materials conveniently, a discharge opening 221 corresponding to the bottom of the first silo body 21 is formed at the bottom of the first conveying pipe 22, and a first baffle 24 capable of being opened or closed is connected to the discharge opening 221. The first baffle 24 is manually opened, the excess materials are discharged from the discharge opening 221, meanwhile, the first material pushing motor 231 can be started, and the first material pushing motor 231 rotates reversely, so that the first screw 232 rotates reversely, and the purpose of cleaning the excess materials in the first material conveying pipe 22 is achieved.

In order to ensure that the raw materials falling into the lower chamber 32 are uniformly mixed, referring to fig. 1 and 3, a bottom plate 321 inclined downward in a downward direction toward the lower bin 4 is disposed at the bottom of the lower chamber 32, the inclined bottom plate 321 facilitates the mixed materials to be easily discharged into the lower bin 4, the stirring device 35 includes a mounting seat 351, first stirring paddles 352, bevel gear pairs 353, transmission shafts 354 and first driving motors 355, the mounting seat 351 is fixed on the bottom plate 321, the first stirring paddles 352 are rotatably connected with the mounting seat 351, in this embodiment, the first stirring paddles 352 are three, the three first stirring paddles 352 extend into the lower chamber 32, the axial line of the first stirring paddles 352 is perpendicular to the plate surface of the bottom plate 321, the first driving motors 355 are mounted on the mounting seat 351, the output ends of the first driving motors 355 are connected with the transmission shafts 354, the transmission shafts 354 are rotatably connected with the mounting seat 351, and the three first stirring paddles 352 are respectively connected with the transmission shafts 353 and 352 through the bevel gear pairs 353, so that the first stirring paddles are connected with the transmission And the bevel gear transmission pair 353 comprises two bevel gears which are meshed with each other, one bevel gear is fixed on the first stirring paddles 352, the other bevel gear is fixed on the transmission shaft 354, and the transmission shaft 354 can drive the three first stirring paddles 352 to synchronously rotate in a mode that the bevel gears are meshed with each other. During stirring, the controller controls the transmission shaft 354 to rotate, and the transmission shaft 354 drives the three first stirring paddles 352 to synchronously rotate through the three bevel gear transmission pairs 353 so as to achieve the purpose of mixing materials.

For guaranteeing discharging pipe 36 is for closing when leading to and stirring the material when the combined material flows into feed bin 4 down, refer to fig. 3, valve 37 is including driving actuating cylinder 371 and second baffle 372, lower chamber 32 lateral wall is equipped with discharge gate 322, discharge gate 322 and discharging pipe 36 intercommunication, it installs at lower chamber 32 outer wall to drive actuating cylinder 371, second baffle 372 is fixed on the extension bar that drives actuating cylinder 371 to open or close discharge gate 322 under the effect that drives actuating cylinder 371 extension bar. Set up second baffle 372 and act on discharge gate 322, compare second baffle 372 and act on the optional position of discharging pipe 36, can avoid piling up the raw materials in stirring process and leading to each raw materials stirring inhomogeneous in discharging pipe 36.

Furthermore, the second baffle 372 is perpendicular to the bottom 321, as shown in fig. 3, which can reduce the position of the dead angle of stirring, so that the raw materials can be stirred and mixed more uniformly.

In order to ensure that the lower bin 4 continuously and uniformly discharges materials to the twin-screw extruder, referring to fig. 1, the lower bin 4 comprises a second bin body 41, an anti-blocking device 42, a second material conveying pipe 43 and a second material pushing device 44, wherein the second bin body 41 is a closed tank body, dust in the external environment is prevented from falling into the second bin body 41 and falling into the twin-screw extruder along with mixed materials, the second bin body 41 is installed on the frame 1 through a second weighing sensor 6, the anti-blocking device 42 is installed in the second bin body 41, the lower part of the second bin body 41 is funnel-shaped, the second material conveying pipe 43 inclined downwards is installed on the frame 1, the second bin body 41 is communicated with the second material conveying pipe 43, and the second material pushing device 44 is arranged in the second material conveying pipe 43. Specifically, the second material conveying pipe 43 is communicated with a vertically arranged connecting pipe, the lower part of the second bin body 41 extends into the connecting pipe, the position of the pipe orifice of the connecting pipe is connected with the outer wall of the lower part of the second bin body 41 through a corrugated pipe, the corrugated pipe is connected in a flexible manner, and the second material conveying pipe 43 and the second material pushing device 44 can be prevented from influencing the weight value of the second bin body 41 detected by the second weighing sensor 6.

Further, referring to fig. 1, the second pushing device 44 includes a second pushing motor 441 and a second screw 442, the second screw 442 is rotatably connected to the second conveying pipe 43, the second pushing motor 441 is mounted on the second conveying pipe 43, an output end of the second pushing motor 441 is connected to the second screw 442, the second pushing motor 441 is a servo motor, and is capable of controlling a rotation speed of the second screw 442 by controlling the rotation speed of the second pushing motor 441, so as to control a speed of the mixed material flowing to the twin-screw extruder, so as to meet a usage requirement of the twin-screw extruder, and in addition, by a manner of pushing by the second screw 442, it is ensured that the mixed material is always pushed into the twin-screw extruder.

For avoiding the occurrence of the situation of material blockage in the lower bin 4, referring to fig. 1, the material blockage preventing device 42 includes a second driving motor 421 and a second stirring paddle 422, the second driving motor 421 is installed at the top of the second bin body 41, the second stirring paddle 422 is installed at the output end of the second driving motor 421, and the second stirring paddle 422 extends into the second bin body 41. The controller controls the second driving motor 421 to start, and the second driving motor 421 drives the second stirring paddle 422 to rotate, so that the mixed material is always in a flowing state, and the mixed material is prevented from being blocked in the discharging bin 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a white master batch mixes with precision measurement material feeding unit, its characterized in that, includes frame (1), former feed bin (2), blending bunker (3) and lower feed bin (4), and is a plurality of former feed bin (2) are installed in frame (1), are provided with first weighing sensor (5) between former feed bin (2) and frame (1), blending bunker (3) include upper chamber (31) and lower chamber (32), lower chamber (32) are installed in frame (1), upper chamber (31) and lower chamber (32) intercommunication to install at lower chamber (32) top, former feed bin (2) are connected with upper chamber (31), and upper chamber (31) top is connected with lid (33), and upper chamber (31) bottom is equipped with flow distribution plate (34) of the type of falling v structure that a plurality of equidistance set up, install agitating unit (35) in lower chamber (32), lower chamber (32) bottom is equipped with discharging pipe (36), install valve (37) on discharging pipe (36), down feed bin (4) install in frame (1), lower feed bin (4) are provided with second weighing sensor (6) with frame (1), discharging pipe (36) are connected with lower feed bin (4).

2. The precise metering and feeding device for mixing white master batches as claimed in claim 1, wherein the raw material bin (2) comprises a first bin body (21) and a first material conveying pipe (22), the first bin body (21) is mounted on the frame (1) through a first weighing sensor (5), the lower part of the first bin body (21) is funnel-shaped, the feeding end of the first material conveying pipe (22) is communicated with the bottom of the first bin body (21), the first material conveying pipe (22) is arranged obliquely upwards towards the upper chamber (31), the discharging end of the first material conveying pipe (22) extends to the inside of the upper chamber (31), and a first material pushing device (23) is arranged in the first material conveying pipe (22).

3. The precise metering and feeding device for mixing white master batches as claimed in claim 2, wherein a discharge opening (221) corresponding to the bottom of the first bin body (21) is formed at the bottom of the first feed delivery pipe (22), and a first baffle (24) capable of being opened or closed is connected to the discharge opening (221).

4. The precise metering and feeding device for mixing white master batches according to claim 1, wherein a bottom plate (321) inclined downwards in an inclined manner towards the direction of the lower storage bin (4) is arranged at the bottom of the lower chamber (32), the stirring device (35) comprises a mounting seat (351), a first stirring paddle (352), a bevel gear transmission pair (353), a transmission shaft (354) and a first driving motor (355), the mounting seat (351) is fixed on the bottom plate (321), a plurality of first stirring paddles (352) are rotatably connected with the mounting seat (351), the first stirring paddle (352) extends into the lower chamber (32), the axial line of the first stirring paddle (352) is perpendicular to the plate surface of the bottom plate (321), the first driving motor (355) is mounted on the mounting seat (351), the output end of the first driving motor (355) is connected with the transmission shaft (354), and the transmission shaft (354) is rotatably connected with the mounting seat (351), the first stirring paddles (352) are respectively connected with the transmission shaft (354) through bevel gear transmission pairs (353) so that the first stirring paddles (352) synchronously rotate.

5. The precise metering and feeding device for mixing white master batches as claimed in claim 4, wherein the valve (37) comprises a driving cylinder (371) and a second baffle (372), the side wall of the lower chamber (32) is provided with a discharge hole (322), the discharge hole (322) is communicated with the discharge pipe (36), the driving cylinder (371) is installed on the outer wall of the lower chamber (32), the second baffle (372) is fixed on an extension rod of the driving cylinder (371), and the discharge hole (322) is opened or closed under the action of the extension rod of the driving cylinder (371).

6. The precision metering and feeding device for mixing white masterbatch according to claim 5, wherein the second baffle (372) is perpendicular to the bottom plate (321).

7. The precise metering and feeding device for mixing white master batches according to claim 1, wherein the lower bin (4) comprises a second bin body (41), an anti-blocking device (42), a second material conveying pipe (43) and a second material pushing device (44), the second bin body (41) is mounted on the frame (1) through a second weighing sensor (6), the anti-blocking device (42) is mounted in the second bin body (41), the lower portion of the second bin body (41) is funnel-shaped, the second material conveying pipe (43) which inclines downwards is mounted on the frame (1), the second bin body (41) is communicated with the second material conveying pipe (43), and the second material pushing device (44) is arranged in the second material conveying pipe (43).

8. The precise metering and feeding device for mixing white masterbatch according to claim 7, wherein the anti-blocking device (42) comprises a second driving motor (421) and a second stirring paddle (422), the second driving motor (421) is installed on the top of the second bin body (41), the second stirring paddle (422) is installed on the output end of the second driving motor (421), and the second stirring paddle (422) extends into the second bin body (41).

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