CN217698751U

CN217698751U - Feeding and batching device for continuous production of polyamide chips

Info

Publication number: CN217698751U
Application number: CN202221780521.XU
Authority: CN
Inventors: 段新付; 林映友; 彭辉
Original assignee: Fujian Zhongjin New Materials Co ltd
Current assignee: Fujian Zhongjin New Materials Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-01
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses a feeding and batching device for continuous production of polyamide slices, which belongs to the technical field of polyamide slice processing, and aims at the problems that when polyamide is sliced and batched, molten caprolactam is easy to adhere to the inner wall of a batching tank and has poor homogenization effect; the utility model discloses a hybrid motor's drive for it rotates in step with frame stirring vane to mix in advance the blade, and scrape the pole rather than rotate along opposite direction, thereby it carries out preliminary mixing configuration through scraping the pole and mixing the blade in advance to make the raw materials that get into on the division board and handle, both can effectively avoid the inner wall of fused caprolactam raw materials adhesion batching jar, can form the primary mixing to the raw materials again, mix once more to the raw materials of primary mixing through frame stirring vane, further improve the homogeneity effect and the antiseized wall effect to the raw materials.

Description

Polyamide piece continuous production feeding dosing unit

Technical Field

The utility model belongs to the technical field of polyamide section processing, concretely relates to polyamide section continuous production feeding proportioning device.

Background

Polyamide is commonly called nylon, called PA for short, is a general name of thermoplastic resin containing repeated amide groups on a molecular main chain, and comprises aliphatic PA, aliphatic-aromatic PA and aromatic PA; the aliphatic PA has many varieties, large yield and wide application, and the name is determined by the specific carbon atom number of the synthetic monomer.

The production process of the polyamide chip usually adopts caprolactam solid as raw material and is prepared by melting, proportioning, prepolymerization, polymerization, belt injection slicing and extraction; when polyamide chips are subjected to batching treatment, the following defects are easily caused:

due to the fact that caprolactam solid is prone to caking, a pulverizer is required to be used for pulverizing before molten rubber materials are added into a melting kettle, and due to the operation mode, a large amount of dust is prone to being generated during pulverization, raw materials are wasted, and workshop environment is polluted; in addition, the raw materials need to be carried for many times, so that the labor intensity of workers is increased, and the working efficiency is low; moreover, current batching process is after having measured each raw materials, add respectively batching jar in, this kind of method personnel intensity of labour is high, is not suitable for serialization production, and measures and easily appear human error, and product quality stability hardly obtains effective control:

(1) the caprolactam is a solid raw material, and needs to be crushed, melted and sent into a batching tank in the batching process, and concentrated solution and water are added into the batching tank for mixing configuration, so that the molten caprolactam raw material is easily adhered to the inner wall of the batching tank, and the subsequent discharging progress of the raw material is influenced;

(2) because the caprolactam raw material is in a molten state, when the caprolactam raw material, the concentrated solution and the water are mixed and prepared, the homogenization effect is poor, and the uniform mixing is difficult to ensure.

Therefore, a feeding and batching device for continuous production of polyamide chips is needed, and the problems that in the prior art, when polyamide is sliced, and batched, molten caprolactam is easy to adhere to the inner wall of a batching tank and has poor homogenizing effect are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyamide section continuous production dosing unit that feeds in raw material to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a polyamide section continuous production feeding dosing unit, includes batching jar and cover, the inner wall of batching jar is fixed with the division board, a plurality of logical grooves that are evenly distributed are seted up to the top surface of division board, the top surface of cover rotates to be connected with and extends to the pivot an of batching tank bottoms inner wall, the top surface of cover install with pivot an coaxial coupling's hybrid motor, the top surface of division board is provided with two and is the premixing blade that distributes from top to bottom, two premixing blade with pivot an's surface fastening cup joints, the below of division board be provided with the frame stirring vane that pivot a surface fastening cup jointed, the conveying pipe that the top surface of cover was equipped with three angular distribution such as is, the top of division board be provided with conveying pipe matched with strikes off the mechanism, the bottom surface intercommunication of batching jar has the discharging pipe.

According to the scheme, the scraping mechanism comprises three baffle plates which are tightly sleeved with the outer surfaces of the bottom ends of the feeding pipes, a tooth-shaped ring is rotatably connected between each baffle plate and the tank cover, a rotating shaft b is rotatably connected to the bottom surface of the tank cover, reversing gears are tightly sleeved on the outer surfaces of the rotating shaft a and the rotating shaft b, the two reversing gears are connected with each other in a meshed mode, the reversing gear positioned on the rotating shaft b is connected with the tooth-shaped ring in a meshed mode, and a plurality of uniformly distributed scraping rods are tightly sleeved on the bottom surface of the tooth-shaped ring in a sleeved mode.

It is worth further saying that the inner surface of the scraping rod is in fit arrangement with the inner wall of the batching tank, and the rotating peripheral diameter of the premixing blade is equal to the rotating inner peripheral diameter of the scraping rod.

It should be further noted that the outer surface of the top of the partition plate is an arc surface, the premixing blades at the bottom and the top surface of the partition plate are arc surfaces matched with each other, and the two premixing blades are distributed in an equal-angle cross manner.

In a preferred embodiment, the axis of the rotating shaft b and the axes of the three feeding pipes are distributed in a square shape, the inner wall of the shielding plate is fixedly provided with an upright post in a penetrating way, and the upright post is fixed with the bottom surface of the tank cover.

As a preferred embodiment, the top surface of the stirring frame blade is arranged in an inclined arc surface, and a plurality of rotating rods distributed in a stepped manner are fixed on the inner wall of the stirring frame blade.

Compared with the prior art, the utility model provides a pair of reinforced dosing unit of polyamide section continuous production includes following beneficial effect at least:

(1) Drive through hybrid motor, make in advance blade and frame stirring vane carry out synchronous rotation, and scrape the pole and rotate rather than following opposite direction, thereby make the raw materials that get into on the division board carry out preliminary mixing configuration through scraping the pole and disposing the processing with in advance the blade, both can effectively avoid the inner wall of fused caprolactam raw materials adhesion batching jar, can form the preliminary mixing to the raw materials again, mix once more through frame stirring vane to the raw materials of preliminary mixing, and can further improve homogeneity effect and antiseized wall effect to the raw materials through frame stirring vane.

(2) The two premixing blades are spaced by 45 degrees, the premixing effect of the raw materials can be improved, and the premixing blades are attached to the partition plate, so that the wall adhesion phenomenon between the premixed raw materials and the top surface of the partition plate can be prevented; the setting of cascaded dwang further cooperates frame stirring vane to mix the raw materials to further improve the mixed effect to it.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the dispensing tank of the present invention;

fig. 3 is an enlarged schematic structural view of the area a in fig. 2 according to the present invention;

FIG. 4 is a schematic view of a partial structure at a rotating shaft b of the present invention;

fig. 5 is the utility model discloses a pivot a, premixing blade and frame stirring vane structural representation.

In the figure: 1. a dosing tank; 2. a can lid; 3. a partition plate; 4. a through groove; 5. a rotating shaft a; 6. a hybrid motor; 7. a premixing blade; 8. a frame-type stirring blade; 9. a feeding pipe; 10. a scraping mechanism; 101. a shielding plate; 102. a toothed ring; 103. a rotating shaft b; 104. a reversing gear; 105. a scraping rod; 11. a discharge pipe; 12. a column; 13. and rotating the rod.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical scheme of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and based on the described embodiments of the present invention, all other embodiments obtained by the ordinary skilled person in the art on the premise of not needing creative work all belong to the scope of protection of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be according to concrete condition do further adjustment the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of requiring protection.

Please refer to fig. 1-5, the utility model provides a polyamide section continuous production reinforced dosing unit, including batching jar 1 and cover 2, the inner wall of batching jar 1 is fixed with division board 3, a plurality of logical groove 4 that are evenly distributed are seted up to division board 3's top surface, cover 2's top surface rotates and is connected with pivot an 5 that extends to batching jar 1 bottom inner wall, the hybrid motor 6 with pivot an 5 coaxial coupling is installed to cover 2's top surface, division board 3's top surface is provided with two and is the premixing blade 7 of upper and lower distribution, two premixing blade 7 cup joint with pivot an 5's surface fastening, division board 3's below is provided with mixes frame stirring vane 8 that cup joints with pivot an 5 surface fastening in advance, cover 2's top surface is worn to be equipped with three conveying pipe 9 that are angularly distributed such as, division board 3's top is provided with conveying pipe 9 matched with strike off mechanism 10, proportioning tank 1's bottom surface discharging pipe has 11, wherein three conveying pipe 9 connects the raw materials of carrying molten state respectively, concentrate raw materials and water, divide into the batching jar and two mixed districts of mixing area through division board 3, the cooperation strikes off mechanism 10 sets up, the setting that can both guarantee the homogeneity can prevent the improvement raw materials homogeneity effect again.

As further shown in fig. 2, 3 and 4, it is worth specifically describing that the scraping mechanism 10 includes a shielding plate 101 tightly sleeved on the outer surface of the bottom end of the three feeding pipes 9, a toothed ring 102 is rotatably connected between the shielding plate 101 and the tank cover 2, a rotating shaft b103 is rotatably connected on the bottom surface of the tank cover 2, reversing gears 104 are tightly sleeved on the outer surfaces of the rotating shaft a5 and the rotating shaft b103, the two reversing gears 104 are connected in a meshing manner, the reversing gear 104 on the rotating shaft b103 is connected in a meshing manner with the toothed ring 102, a plurality of uniformly distributed scraping rods 105 are tightly sleeved on the bottom surface of the toothed ring 102, the axis of the rotating shaft b103 and the axes of the three feeding pipes 9 are in a square distribution, a vertical column 12 is fixedly penetrated through the inner wall of the shielding plate 101, the vertical column 12 is fixed on the bottom surface of the tank cover 2, the inner surface of the scraping rod 105 is in an abutting arrangement with the inner wall of the dispensing tank 1, the rotating outer peripheral diameter of the premixing blades 7 is equal to the rotating inner peripheral diameter of the scraping rods 105, wherein the toothed ring 102 is limited by the bottom surface of the tank cover 2 and the top surface of the shielding plate 101, the rotating shaft b, so that the rotating shaft 104 and the rotating shaft b are engaged with the rotating shaft b, and the rotating shaft b are opposite directions of the rotating shaft 102, thereby increasing the anti-sticking effect of the rotating shaft 103.

The scheme has the following working processes: when the polyamide is sliced and processed for batching, the molten caprolactam, the concentrated solution and water are respectively fed to the partition plates 3 of the batching tank 1 through the three feeding pipes 9, at the moment, the rotating shaft a5 drives the premixing blades 7 and the frame-type stirring blades 8 to rotate above and below the partition plates 3 respectively, and meanwhile, the rotating shaft a5 and the tooth-shaped ring 102 are driven by the two reversing gears 104 to mesh and transmit, so that the rotating shaft a5 and the tooth-shaped ring 102 rotate in opposite directions, the scraping rod 105 and the premixing blades 7 form reverse rotation on the top surface of the partition plates 3, the scraping rod 105 and the premixing blades 7 synchronously rotate, the raw materials are subjected to preliminary premixing stirring processing on the partition plates 3, the molten caprolactam raw materials can be effectively prevented from adhering to the inner wall of the batching tank 1, the preliminary mixing of the raw materials can be formed, the raw materials which are mixed in a certain way enter the bottom surface of the batching tank 1 through the through-groove 4 and are mixed again through the frame-type stirring blades 8, and the homogenizing effect of the raw materials in the batching is greatly improved.

According to the working process, the following steps are known: through hybrid motor 6's drive, make premixing blade 7 and frame stirring vane 8 carry out synchronous rotation, and scrape pole 105 rather than rotating along opposite direction, thereby make the raw materials that get into on the division board 3 carry out preliminary mixing configuration through scraping pole 105 and premixing blade 7 and handle, both can effectively avoid the inner wall of fused caprolactam raw materials adhesion batching jar 1, can form the preliminary mixing to the raw materials again, mix once more to the raw materials of preliminary mixing through frame stirring vane 8, and can further improve the homogeneity effect and the antiseized wall effect to the raw materials through frame stirring vane 8.

Further as shown in fig. 4 and 5, it is worth specifically explaining that the outer surface of the top of the partition plate 3 is an arc surface, the premixing blades 7 located at the bottom and the top surface of the partition plate 3 are arc surfaces matched with each other, the two premixing blades 7 are distributed in an equal-angle cross manner, wherein the interval between the two premixing blades 7 is 45 degrees, so that the premixing effect between the raw materials can be improved, and the premixing blades 7 are attached to the partition plate 3, so that the wall sticking phenomenon between the premixing raw materials and the top surface of the partition plate 3 can be prevented.

Further as shown in fig. 2 and fig. 4, it is worth specifically explaining that the top surface of frame stirring vane 8 is the setting of the cambered surface of slope, and the inner wall of frame stirring vane 8 is fixed with a plurality of dwang 13 that are the cascaded distribution, and the setting of cascaded dwang 13 further cooperates frame stirring vane 8 to mix the raw materials to further improve the mixed effect to it.

To sum up: through hybrid motor 6's drive, make premixing blade 7 and frame stirring vane 8 carry out synchronous rotation, and scrape pole 105 rather than rotating along opposite direction, thereby make the raw materials that get into on the division board 3 carry out preliminary mixing configuration through scraping pole 105 and premixing blade 7 and handle, both can effectively avoid the inner wall of fused caprolactam raw materials adhesion batching jar 1, can form the preliminary mixing to the raw materials again, mix once more to the raw materials of preliminary mixing through frame stirring vane 8, and can further improve the homogeneity effect and the antiseized wall effect to the raw materials through frame stirring vane 8, and cooperate cascaded dwang 13 once more, further improve the homogeneity effect to the raw materials.

The hybrid motor 6 is commercially available, and the hybrid motor 6 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so repeated description in the specification is omitted.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art, and the use of the term "including" or "comprising" in the present application shall mean that the element or item preceding the term covers the element or item listed after the term and its equivalents, but does not exclude other elements or items, and the term "connected" or "connected" is not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. merely indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may be changed accordingly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a polyamide section continuous production feeding proportioning device, includes batching jar (1) and cover (2), its characterized in that, the inner wall of batching jar (1) is fixed with division board (3), a plurality of logical groove (4) that are evenly distributed are seted up to the top surface of division board (3), the top surface of cover (2) is rotated and is connected with and extends to the pivot an (5) of batching jar (1) bottom inner wall, the top surface of cover (2) install with pivot a (5) coaxial coupling's hybrid motor (6), the top surface of division board (3) is provided with two and is premixed blade (7) that distribute from top to bottom, two premixed blade (7) with the surface fastening of pivot a (5) cup joints, the below of division board (3) be provided with frame stirring vane (8) that pivot a (5) surface fastening cup jointed, the top surface of cover (2) is worn to be equipped with three conveying pipe (9) that are angular distribution such as, the top of division board (3) be provided with conveying pipe (9) matched with strikes off mechanism (10), the bottom surface intercommunication of batching jar (1) is equipped with discharging pipe (11).

2. The feeding and batching device for the continuous production of polyamide chips according to claim 1, characterized in that: the scraping mechanism (10) comprises a shielding plate (101) which is tightly sleeved with the outer surface of the bottom end of the three feeding pipes (9), a toothed ring (102) is rotatably connected between the shielding plate (101) and the tank cover (2), a rotating shaft b (103) is rotatably connected with the bottom surface of the tank cover (2), reversing gears (104) are tightly sleeved on the outer surfaces of the rotating shaft a (5) and the rotating shaft b (103), the reversing gears (104) are meshed and connected, the reversing gears (104) which are positioned on the rotating shaft b (103) are meshed and connected with the toothed ring (102), and a plurality of scraping rods (105) which are uniformly distributed are tightly sleeved on the bottom surface of the toothed ring (102).

3. The feeding and batching device for the continuous production of polyamide chips according to claim 2, characterized in that: the internal surface of scraping pole (105) with the inner wall of batching jar (1) is the laminating setting, the rotation peripheral diameter of premixing blade (7) with the rotation internal diameter of scraping pole (105) size equals.

4. The feeding and batching device for the continuous production of polyamide chips according to claim 3, characterized in that: the outer surface of the top of the partition plate (3) is an arc surface, the premixing blades (7) at the bottom and the top surface of the partition plate (3) are arc surfaces matched with each other, and the premixing blades (7) are distributed in an equal-angle cross manner.

5. The feeding and batching device for the continuous production of polyamide chips according to claim 4, characterized in that: the axial line of the rotating shaft b (103) and the axial lines of the three feeding pipes (9) are distributed in a square shape, an upright post (12) is fixedly arranged on the inner wall of the shielding plate (101) in a penetrating mode, and the upright post (12) is fixed with the bottom face of the tank cover (2).

6. The feeding and batching device for the continuous production of polyamide chips according to claim 5, characterized in that: the top surface of frame stirring vane (8) is the cambered surface setting of slope, the inner wall of frame stirring vane (8) is fixed with a plurality of dwang (13) that are cascaded distribution.