Nylon 66 raw material feeding and quantitative feeding device and quantitative control system thereof

Abstract

The invention discloses a nylon 66 raw material feeding quantitative feeding device and a quantitative control system thereof, and relates to the technical field of nylon 66 raw material feeding. A plurality of electric push rods are arranged on the upper side of the stirring box; an output shaft of each electric push rod extends into one end of the stirring box and is fixedly connected with the transmission ring; a rotating strip is rotationally matched with the bottom end of the transmission ring; two stirring pieces are fixed at the bottom end of the rotating strip; the transmission shaft is fixedly sleeved with a vertical lifting mechanism. The first driving mechanism drives the rotating strip and the stirring piece to rotate to horizontally stir materials in the stirring box, and the second driving mechanism drives the transmission shaft to drive the vertical lifting mechanism, the stirring mechanism and the stirring piece to rotate reversely, so that the stirring mechanism and the stirring piece perform staggered reverse convection stirring; the probability that the nylon 66 raw material continuously, stably and horizontally rotates along with the stirring mechanism and the stirring piece is conveniently reduced.

Description

Technical Field

[0001] The invention belongs to the field of nylon 66 raw material feeding, and in particular relates to a nylon 66 raw material feeding quantitative feeding device and a quantitative control system thereof. Background Art

[0002] Nylon 66 is a thermoplastic resin, generally made by polycondensation of adipic acid and hexamethylenediamine. It is insoluble in common solvents. It has high mechanical strength, hardness and great rigidity.

[0003] The Chinese patent with the announcement number CN221968563U discloses a quantitative feeding device for nylon 66 processing, comprising a bottom plate, a support plate is fixedly installed on the upper end of the bottom plate, two support plates are provided, a mixing box is rotatably installed between the support plates, an opening is provided at the upper end of the mixing box, a feed pipe is fixedly installed above the opening, the feed pipe comprises a fixed pipe and a movable pipe, the movable pipe is slidably installed on the inner wall of the fixed pipe, a circular plate is fixedly installed at the lower end of the fixed pipe, a plurality of through holes are provided on the circular plate, a knocking mechanism is provided on the top plate of the mixing box next to the feed pipe, a motor is fixedly installed on the top plate of the mixing box next to the knocking mechanism, the knocking mechanism is provided, the situation that the raw material sticks to the wall of the feed pipe is reduced, and the scale is provided to facilitate the quantitative use of the raw material, and the various structures cooperate with each other, saving time and being more efficient; However, the quantitative feeding device for nylon 66 processing drives the stirring rod to rotate horizontally through the rotating rod, and the nylon 66 raw material easily moves synchronously with the stirring rod, which has a low stirring effect on the nylon 66 raw material and lacks a vertical stirring effect, affecting the uniformity between nylon 66 raw materials at different heights.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a nylon 66 raw material feeding quantitative feeding device and a quantitative control system thereof.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is: A nylon 66 raw material feeding and quantitative feeding device comprises a mixing box, a transmission ring is vertically slidably matched in the mixing box, a plurality of electric push rods are arranged on the upper side of the mixing box, one end of the electric push rod output shaft extends into the mixing box and is fixedly connected to the transmission ring, a rotating bar is rotatably matched at the bottom end of the transmission ring, two stirring members are fixed at the bottom end of the rotating bar, a transmission shaft is rotatably matched at the bottom end of the rotating bar, a vertical lifting mechanism is fixedly sleeved on the transmission shaft, a stirring mechanism is arranged outside the vertical lifting mechanism, a first driving mechanism is arranged on the upper side of the mixing box, the rotating bar is vertically slidably sleeved on one end of the output end of the first driving mechanism extending into the mixing box, a second driving mechanism is arranged at the bottom end of the mixing box, the transmission shaft is vertically slidably sleeved on one end of the output end of the second driving mechanism extending into the mixing box, and the driving direction of the first driving mechanism is opposite to that of the second driving mechanism.

[0007] Optionally, a first bearing is provided in the transmission ring, a connecting shaft is provided on the upper side of the rotating bar, the connecting shaft is fixed in the first bearing, a second bearing is embedded in the bottom end of the rotating bar, and the upper end of the transmission shaft is fixed in the second bearing.

[0008] Optionally, the first driving mechanism includes a first servo motor arranged on the upper side of the mixing box, a first polygonal transmission column arranged at one end of the output shaft of the first servo motor extending into the mixing box, a first polygonal groove is provided on the upper side of the connecting shaft, and the connecting shaft is slidably mounted on the first polygonal transmission column through the first polygonal groove.

[0009] Optionally, two first L-shaped scraping strips are provided on the upper side of the rotating strip, and the outer sides of the first L-shaped scraping strips are in contact with the side surfaces of the inner wall of the mixing box and the top surface of the inner wall of the mixing box.

[0010] Optionally, the second driving mechanism includes a second servo motor arranged at the bottom end of the mixing box, a second polygonal column arranged at one end of the second servo motor output shaft extending into the mixing box, a second polygonal groove is provided at the bottom end of the transmission shaft, and the transmission shaft is slidably mounted on the second polygonal column through the second polygonal groove.

[0011] Optionally, the vertical lifting mechanism includes an auger blade fixedly mounted on the transmission shaft, a guide tube fixedly mounted on the auger blade, and a plurality of through holes evenly distributed on the guide tube. The stirring mechanism is arranged on the guide tube, and a first distance is provided between the upper end of the guide tube and the top surface of the inner wall of the mixing box, and a second distance is provided between the lower end of the guide tube and the bottom surface of the inner wall of the mixing box.

[0012] Optionally, the stirring mechanism includes a plurality of groups of first stirring blades arranged in a circumferential array on the guide cylinder, and each group of first stirring blades includes a plurality of first stirring blades arranged in a height direction on the guide cylinder.

[0013] Optionally, the stirring member includes two second L-shaped scraping strips arranged at the bottom end of the rotating strip, and a plurality of second stirring blades arranged on the inner wall of the side of the second L-shaped scraping strip along the height direction, the outer side of the second L-shaped scraping strip is in contact with the side surface and the bottom surface of the inner wall of the stirring box, and the plurality of second stirring blades and the plurality of first stirring blades are staggered in the height direction.

[0014] Optionally, a feed valve is connected to the upper side of the mixing box, a plurality of vibration motors are arranged on the upper side of the mixing box, a discharge metering pump is connected to the bottom end of the mixing box, and a plurality of support columns are arranged in a circular array at the bottom end of the mixing box.

[0015] A nylon 66 raw material feeding quantitative control system, using any one of the above nylon 66 raw material feeding quantitative feeding devices, comprising: First stirring module: The first stirring module drives the first polygonal transmission column through the first servo motor to drive the rotating bar, the second L-shaped scraping bar, and the second stirring blade to rotate, so as to stir the materials in the stirring box horizontally; Second stirring module: The second stirring module drives the second polygonal column through the second servo motor to drive the transmission shaft to drive the auger blade, the guide tube, the first stirring blade and the second stirring blade to rotate in the opposite direction, so that the first stirring blade and the second stirring blade are staggered and reversely convectively stirred, and the auger blade cooperates with the guide tube to drive the nylon 66 raw materials entering the guide tube through the through holes at different heights to be vertically mixed and lifted; Adjustment module: The adjustment module drives the transmission ring, the rotating bar, the stirring member, and the stirring mechanism to reciprocate vertically through the electric push rod, so that the first stirring blade and the second stirring blade can reciprocate vertically synchronously, so that the first stirring blade and the second stirring blade can stir at different positions; Quantitative module: The quantitative module controls the discharge amount of nylon 66 raw material after stirring in the mixing box through the discharge quantitative pump;.

[0016] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all the advantages described below at the same time: The first driving mechanism drives the rotating bar and the stirring member to rotate, so as to stir the materials in the stirring box horizontally. The second driving mechanism drives the transmission shaft to drive the vertical lifting mechanism, the stirring mechanism and the stirring member to rotate in the opposite direction, so that the stirring mechanism and the stirring member are stirred by staggered reverse convection, which is convenient for reducing the probability of the nylon 66 raw material rotating horizontally with the stirring mechanism and the stirring member continuously and stably, and improving the effect of horizontal stirring of the nylon 66 raw material. The vertical lifting mechanism drives the nylon 66 raw material passing through different heights to be vertically mixed and lifted, so as to improve the vertical mixing effect of the nylon 66 raw material at different heights in the stirring box; the electric push rod drives the transmission ring, the rotating bar, the stirring member and the stirring mechanism to reciprocate vertically, so that the stirring member and the stirring mechanism stir at different positions, so as to further improve the stirring effect of the nylon 66 raw material.

[0017] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings: Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present invention; Figure 2 It is a cross-sectional structural schematic diagram of an embodiment of the present invention; Figure 3 It is a schematic cross-sectional structure diagram of a transmission ring according to an embodiment of the present invention; Figure 4 It is a schematic structural diagram of a vertical lifting mechanism according to an embodiment of the present invention; Figure 5 A schematic diagram of the structure of a stirring member according to an embodiment of the present invention; Figure 6 A bottom view of an embodiment of the present invention; In the accompanying drawings, the components represented by the reference numerals are listed as follows: Mixing box 1, transmission ring 2, electric push rod 3, rotating bar 4, stirring member 5, second L-shaped scraper 501, second stirring blade 502, vertical lifting mechanism 7, auger blade 701, guide tube 702, stirring mechanism 8, first driving mechanism 9, first servo motor 901, first polygonal transmission column 902, second driving mechanism 10, second servo motor 1001, second polygonal column 1002, first bearing 11, connecting shaft 12, first polygonal groove 13, first L-shaped scraper 14, second polygonal groove 15, feed valve 16, vibration motor 17, discharge metering pump 18, support column 19.

[0019] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0020] The present invention will now be described in further detail with reference to the accompanying drawings.

[0021] See also Figure 1-6As shown, in this embodiment, a nylon 66 raw material feeding and quantitative feeding device is provided, including a mixing box 1, a transmission ring 2 is vertically slidably fitted in the mixing box 1, a plurality of electric push rods 3 are arranged on the upper side of the mixing box 1, the output shaft of the electric push rod 3 extends into the mixing box 1 and is fixedly connected to the transmission ring 2 at one end, a rotating bar 4 is rotatably fitted at the bottom end of the transmission ring 2, two stirring members 5 are fixed at the bottom end of the rotating bar 4, a transmission shaft 6 is rotatably fitted at the bottom end of the rotating bar 4, a vertical lifting mechanism 7 is fixedly sleeved on the transmission shaft 6, a stirring mechanism 8 is arranged on the outer side of the vertical lifting mechanism 7, a first driving mechanism 9 is arranged on the upper side of the mixing box 1, the rotating bar 4 is vertically slidably sleeved on one end of the output end of the first driving mechanism 9 extending into the mixing box 1, a second driving mechanism 10 is arranged at the bottom end of the mixing box 1, the transmission shaft 6 is vertically slidably sleeved on one end of the output end of the second driving mechanism 10 extending into the mixing box 1, and the driving direction of the first driving mechanism 9 is opposite to that of the second driving mechanism 10.

[0022] The first driving mechanism 9 drives the rotating bar 4 and the stirring member 5 to rotate, so as to stir the materials in the stirring box 1 horizontally. The second driving mechanism 10 drives the transmission shaft 6 to drive the vertical lifting mechanism 7, the stirring mechanism 8 and the stirring member 5 to rotate in the opposite direction, so that the stirring mechanism 8 and the stirring member 5 are staggered and reversely convectively stirred, which is convenient for reducing the probability that the nylon 66 raw material rotates continuously and stably horizontally with the stirring mechanism 8 and the stirring member 5, and improving the effect of horizontal stirring of the nylon 66 raw material. The vertical lifting mechanism 7 drives the nylon 66 raw materials at different heights to be vertically mixed and lifted, so as to improve the vertical mixing effect of the nylon 66 raw materials at different heights in the stirring box 1; the electric push rod 3 drives the transmission ring 2, the rotating bar 4, the stirring member 5, and the stirring mechanism 8 to reciprocate vertically, so that the stirring member 5 and the stirring mechanism 8 stir at different positions, so as to further improve the stirring effect of the nylon 66 raw material.

[0023] See also Figure 2-3 As shown, in this embodiment, a first bearing 11 is provided in the transmission ring 2, a connecting shaft 12 is provided on the upper side of the rotating bar 4, the connecting shaft 12 is fixed in the first bearing 11, a second bearing is embedded in the bottom end of the rotating bar 4, and the upper end of the transmission shaft 6 is fixed in the second bearing, so as to improve the rotation stability of the connecting shaft 12 through the first bearing 11, and improve the rotation stability of the transmission shaft 6 through the second bearing.

[0024] See also Figure 2As shown, the first driving mechanism 9 of the present embodiment includes a first servo motor 901 arranged on the upper side of the mixing box 1, and a first polygonal transmission column 902 arranged at one end of the output shaft of the first servo motor 901 extending into the mixing box 1. A first polygonal groove 13 is provided on the upper side of the connecting shaft 12, and the connecting shaft 12 is slidably sleeved on the first polygonal transmission column 902 through the first polygonal groove 13. Two first L-shaped scraping strips 14 are provided on the upper side of the rotating bar 4. The outer side of the first L-shaped scraping strip 14 is in contact with the side surface of the inner wall of the mixing box 1 and the top surface of the inner wall of the mixing box 1, so that the first servo motor 901 drives the first polygonal transmission column 902 to drive the rotating bar 4, the first L-shaped scraping strip 14, the second L-shaped scraping strip 501, and the second mixing blade 502 to rotate, so as to horizontally stir the nylon 66 raw material in the mixing box 1.

[0025] See also Figure 2-5 As shown, the second driving mechanism 10 of the present embodiment includes a second servo motor 1001 arranged at the bottom end of the mixing box 1, a second polygonal column 1002 arranged at one end of the output shaft of the second servo motor 1001 extending into the mixing box 1, a second polygonal groove 15 is provided at the bottom end of the transmission shaft 6, and the transmission shaft 6 is slidably sleeved on the second polygonal column 1002 through the second polygonal groove 15, and the vertical lifting mechanism 7 includes an auger blade 701 fixedly sleeved on the transmission shaft 6, a guide tube 702 fixedly sleeved on the auger blade 701, A plurality of through holes are evenly distributed on the guide tube 702, the stirring mechanism 8 is arranged on the guide tube 702, a first distance is arranged between the upper end of the guide tube 702 and the top surface of the inner wall of the mixing box 1, a second distance is arranged between the lower end of the guide tube 702 and the bottom surface of the inner wall of the mixing box 1, the stirring mechanism 8 includes a plurality of groups of first stirring blades 801 arranged in a circumferential array on the guide tube 702, each group of first stirring blades 801 includes a plurality of first stirring blades 801 arranged in a height direction on the guide tube 702, and the stirring member 5 includes two first stirring blades 801 arranged at the bottom end of the rotating bar 4. The second L-shaped scraper 501 is provided with a plurality of second stirring blades 502 on the inner wall of the side of the second L-shaped scraper 501 in the height direction, the outer side of the second L-shaped scraper 501 is in contact with the inner wall side and the inner wall bottom of the mixing box 1, and the plurality of second stirring blades 502 and the plurality of first stirring blades 801 are staggered in the height direction, so that the second servo motor 1001 drives the second polygonal column 1002 to drive the transmission shaft 6 to drive the auger blade 701, the guide tube 702, the first stirring blade 801 and the second stirring blade 502. 02 rotates in the opposite direction, so that the first stirring blade 801 and the second stirring blade 502 are staggered and counter-convection stirred, which is convenient for reducing the probability of the nylon 66 raw material rotating along with the second stirring blade 502 or the second stirring blade 502 continuously and stably horizontally, and improving the effect of horizontal stirring of the nylon 66 raw material. The auger blade 701 cooperates with the guide tube 702 to drive the vertical mixing and lifting of the nylon 66 raw material entering the guide tube 702 through the through holes at different heights, so as to improve the vertical mixing effect of the nylon 66 raw material at different heights of the mixing box 1.

[0026] See also Figure 1 , 6 As shown, a feed valve 16 is connected to the upper side of the mixing box 1 of this embodiment, a plurality of vibration motors 17 are arranged on the upper side of the mixing box 1, a discharge metering pump 18 is connected to the bottom end of the mixing box 1, and a plurality of support columns 19 are arranged in a circular array at the bottom end of the mixing box 1, so as to facilitate quantitative addition of nylon 66 raw material into the mixing box 1 through the feed valve 16, and control the discharge amount of nylon 66 raw material after stirring in the mixing box 1 through the discharge metering pump 18, thereby controlling the quantitative feeding to other devices, and driving the mixing box 1 to vibrate through the vibration motor 17, so as to facilitate the discharge of the residual nylon 66 raw material in the mixing box 1, reduce the residual amount of nylon 66 raw material in the mixing box 1, and support the mixing box 1 through the support column 19.

[0027] See also Figure 1-6 As shown, a nylon 66 raw material feeding quantitative control system uses any one of the above nylon 66 raw material feeding quantitative feeding devices, including: First stirring module: The first stirring module drives the first polygonal transmission column 902 through the first servo motor 901 to drive the rotating bar 4, the second L-shaped scraping bar 501, and the second stirring blade 502 to rotate, so as to stir the material in the stirring box 1 horizontally; Second stirring module: The second stirring module drives the second polygonal column 1002 through the second servo motor 1001 to drive the transmission shaft 6 to drive the auger blade 701, the guide tube 702, the first stirring blade 801 and the second stirring blade 502 to rotate in the opposite direction, so that the first stirring blade 801 and the second stirring blade 502 are staggered and reversely convectively stirred, and the auger blade 701 cooperates with the guide tube 702 to drive the nylon 66 raw materials entering the guide tube 702 through the through holes at different heights to be vertically mixed and lifted; Adjustment module: The adjustment module drives the transmission ring 2, the rotating bar 4, the stirring member 5, and the stirring mechanism 8 to reciprocate vertically through the electric push rod 3, so that the first stirring blade 801 and the second stirring blade 502 can reciprocate vertically synchronously, so that the first stirring blade 801 and the second stirring blade 502 stir at different positions; Quantitative module: The quantitative module controls the discharge amount of the nylon 66 raw material after stirring in the mixing box 1 through the discharge quantitative pump 18.

[0028] Working principle: nylon 66 raw material is quantitatively added into the mixing box 1 through the feed valve 16, and then the first servo motor 901 drives the first polygonal transmission column 902 to drive the rotating bar 4, the second L-shaped scraper 501, and the second stirring blade 502 to rotate, so as to stir the material in the mixing box 1 horizontally, and the second servo motor 1001 drives the second polygonal column 1002 to drive the transmission shaft 6 to drive the auger blade 701, the guide tube 702, the first stirring blade 801 and the second stirring blade 502 to rotate in the opposite direction, so that the first stirring blade 801 and the second stirring blade 502 are staggered and reversely convectively stirred, so as to reduce the probability of the nylon 66 raw material rotating with the second stirring blade 502 or the second stirring blade 502 continuously and stably horizontally, and improve the effect of horizontal stirring of the nylon 66 raw material, and the auger blade 701 cooperates with the guide tube 702 to drive the nylon 66 raw material entering the guide tube 702 through the through holes at different heights to be mixed and lifted vertically, so as to improve the stirring The vertical mixing effect of nylon 66 raw materials at different heights in the mixing box 1 is improved; the electric push rod 3 drives the transmission ring 2, the rotating bar 4, the stirring member 5, and the stirring mechanism 8 to reciprocate vertically, so that the connecting shaft 12 slides vertically on the rotating first polygonal transmission column 902, and the transmission shaft 6 slides vertically on the rotating second polygonal column 1002, so that the first stirring blade 801 and the second stirring blade 502 reciprocate vertically synchronously, so that the first stirring blade 801 and the second stirring blade 502 stir at different positions, so as to further improve the stirring effect of the nylon 66 raw material, and the discharge amount of the nylon 66 raw material after stirring in the mixing box 1 is controlled by the discharge quantitative pump 18, so as to control the quantitative feeding to other devices, and by setting the first L-shaped scraper 14 and the second L-shaped scraper 501, it is convenient to improve the cleaning effect of the inner wall side, the inner wall bottom and the inner wall top of the mixing box 1, so as to improve the stirring effect of the nylon 66 raw material and reduce the residual amount of the nylon 66 raw material in the mixing box 1.

[0029] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. All electrical appliances in the present invention are powered by external power supplies or built-in batteries. All electrical appliances in the present invention are not limited to models and specific types. Those skilled in the art can clearly use applicable electrical appliance models and specific types and electrical power supply methods based on common sense in the field.

[0030] The present invention is not limited to the above-mentioned embodiments. Anyone should be aware that any structural changes made under the enlightenment of the present invention, and any technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention. The technology, shape, and structural parts not described in detail in the present invention are all well-known technologies.

Claims

1. A nylon 66 raw material feeding quantitative feeding device, characterized in that: include: A mixing box (1) is provided with a transmission ring (2) in a vertically sliding manner in the mixing box (1). A plurality of electric push rods (3) are provided on the upper side of the mixing box (1). The output shaft of the electric push rod (3) extends into the mixing box (1) and is fixedly connected to the transmission ring (2) at one end. The bottom end of the transmission ring (2) is rotatably matched with a rotating bar (4). Two stirring members (5) are fixedly provided at the bottom end of the rotating bar (4). The bottom end of the rotating bar (4) is rotatably matched with a transmission shaft (6). A vertical lifting mechanism (7) is fixedly provided on the upper sleeve of the transmission shaft (6). The vertical lifting mechanism (7) is provided. A stirring mechanism (8) is provided on the outer side of the mechanism (7), a first driving mechanism (9) is provided on the upper side of the stirring box (1), a rotating bar (4) is vertically slidably sleeved on one end of the output end of the first driving mechanism (9) extending into the stirring box (1), a second driving mechanism (10) is provided on the bottom end of the stirring box (1), a transmission shaft (6) is vertically slidably sleeved on one end of the output end of the second driving mechanism (10) extending into the stirring box (1), and a driving direction of the first driving mechanism (9) is opposite to a driving direction of the second driving mechanism (10).

2. A nylon 66 raw material feeding quantitative feeding device according to claim 1, characterized in that: A first bearing (11) is provided in the transmission ring (2); a connecting shaft (12) is provided on the upper side of the rotating bar (4); the connecting shaft (12) is fixed in the first bearing (11); a second bearing is embedded in the bottom end of the rotating bar (4); and the upper end of the transmission shaft (6) is fixed in the second bearing.

3. A nylon 66 raw material feeding quantitative feeding device according to claim 1, characterized in that: The first driving mechanism (9) comprises a first servo motor (901) arranged on the upper side of the mixing box (1), a first polygonal transmission column (902) arranged at one end of the output shaft of the first servo motor (901) extending into the mixing box (1), a first polygonal groove (13) being arranged on the upper side of the connecting shaft (12), and the connecting shaft (12) being slidably sleeved on the first polygonal transmission column (902) through the first polygonal groove (13).

4. A nylon 66 raw material feeding quantitative feeding device according to claim 1, characterized in that: Two first L-shaped scraping strips (14) are provided on the upper side of the rotating strip (4), and the outer sides of the first L-shaped scraping strips (14) are in contact with the side surfaces of the inner wall of the mixing box (1) and the top surface of the inner wall of the mixing box (1).

5. A nylon 66 raw material feeding quantitative feeding device according to claim 1, characterized in that: The second driving mechanism (10) comprises a second servo motor (1001) arranged at the bottom end of the mixing box (1), a second polygonal column (1002) arranged at one end of the output shaft of the second servo motor (1001) extending into the mixing box (1), a second polygonal groove (15) being arranged at the bottom end of the transmission shaft (6), and the transmission shaft (6) being slidably sleeved on the second polygonal column (1002) through the second polygonal groove (15).

6. A nylon 66 raw material feeding quantitative feeding device according to claim 1, characterized in that: The vertical lifting mechanism (7) comprises an auger blade (701) fixedly sleeved on the transmission shaft (6), a guide tube (702) fixedly sleeved on the auger blade (701), and a plurality of through holes evenly distributed on the guide tube (702); the stirring mechanism (8) is arranged on the guide tube (702); a first distance is provided between the upper end of the guide tube (702) and the top surface of the inner wall of the stirring box (1); and a second distance is provided between the lower end of the guide tube (702) and the bottom surface of the inner wall of the stirring box (1).

7. A nylon 66 raw material feeding quantitative feeding device according to claim 6, characterized in that: The stirring mechanism (8) comprises a plurality of groups of first stirring blades (801) arranged in a circumferential array on the guide tube (702), and each group of first stirring blades (801) comprises a plurality of first stirring blades (801) arranged in an array along a height direction on the guide tube (702).

8. A nylon 66 raw material feeding quantitative feeding device according to claim 7, characterized in that: The stirring member (5) comprises two second L-shaped scraping strips (501) arranged at the bottom end of the rotating strip (4), and a plurality of second stirring blades (502) arranged on the inner wall of the side of the second L-shaped scraping strip (501) along the height direction, the outer side of the second L-shaped scraping strip (501) is in contact with the side surface and the bottom surface of the inner wall of the stirring box (1), and the plurality of second stirring blades (502) and the plurality of first stirring blades (801) are arranged alternately in the height direction.

9. A nylon 66 raw material feeding quantitative feeding device according to claim 1, characterized in that: The upper side of the mixing box (1) is connected to a feed valve (16), a plurality of vibration motors (17) are arranged on the upper side of the mixing box (1), a discharge metering pump (18) is connected to the bottom end of the mixing box (1), and a plurality of support columns (19) are arranged in a circular array at the bottom end of the mixing box (1).

10. A nylon 66 raw material feeding quantitative control system, using the nylon 66 raw material feeding quantitative feeding device according to any one of claims 1 to 9, characterized in that: include: First stirring module: The first stirring module drives the first polygonal transmission column (902) through the first servo motor (901) to drive the rotating bar (4), the second L-shaped scraping bar (501), and the second stirring blade (502) to rotate, thereby stirring the material in the stirring box (1) horizontally; Second stirring module: The second stirring module drives the second polygonal column (1002) through the second servo motor (1001) to drive the transmission shaft (6) to drive the auger blade (701), the guide tube (702), the first stirring blade (801) and the second stirring blade (502) to rotate in opposite directions, so that the first stirring blade (801) and the second stirring blade (502) are staggered and reversely convectively stirred, and the auger blade (701) cooperates with the guide tube (702) to drive the nylon 66 raw material entering the guide tube (702) through the through holes at different heights to be vertically mixed and lifted; Adjustment module: the adjustment module drives the transmission ring (2), the rotating bar (4), the stirring member (5), and the stirring mechanism (8) to move vertically back and forth through the electric push rod (3), so that the first stirring blade (801) and the second stirring blade (502) move vertically back and forth synchronously, so that the first stirring blade (801) and the second stirring blade (502) stir at different positions; The quantitative module controls the discharge amount of the nylon 66 raw material after stirring in the stirring box (1) through the discharge quantitative pump (18).

Images