CN219667103U - Masterbatch production is with mixing weighing device - Google Patents

Abstract

The utility model relates to a mixing and weighing device for master batch production, and relates to the technical field of master batch production devices. The mixing and weighing device for master batch production comprises a stirring tank and a feed inlet penetrating through the top wall of the stirring tank; the stirring tank is internally provided with a stirring shaft in a rotating way, and the top of the stirring tank is provided with a driving motor for driving the stirring shaft to rotate; the peripheral wall of (mixing) shaft is the heliciform and is provided with screw blade, the agitator tank is inside to be provided with a plurality of groups dead lever around the (mixing) shaft interval, all be provided with on the dead lever jointly and be used for cup jointing screw blade's guide cylinder, keep the space that supplies the material to flow between guide cylinder and the agitator tank roof. The utility model has the effect of improving the mixing effect and mixing efficiency of upper and lower materials in the stirring tank.

Description

Masterbatch production is with mixing weighing device

Technical Field

The utility model relates to the technical field of master batch production devices, in particular to a mixing and weighing device for master batch production.

Background

The master batch is fully called as a plastic master batch, and is a granule material prepared by firstly mixing and mixing various required auxiliary agents, fillers and a small amount of carrier resin in the plastic processing and forming process for the convenience of operation, and metering, mixing, melting, extruding, granulating and other processing processes through an extruder and other equipment.

In the process of producing the master batch, different raw materials are required to be mixed in advance according to a certain proportion. Therefore, in general, the raw materials such as the carrier and the auxiliary agent are weighed and proportioned in advance, and then these raw materials are put into a stirring tank, and mixed by a stirring shaft and a stirring paddle rotating inside the stirring tank.

With respect to the related art among the above, the inventors found that there are the following problems in this technology: when different types of raw materials are fed into the stirring tank in batches, the raw materials which are fed first are often accumulated at the bottom of the stirring tank; the rotatory stirring rake generally only can stir the mixture to the material that it contacted, and when the material that piles up in the agitator tank is more, the stirring rake lacks effective mixing to the material of agitator tank inside upper strata and lower floor, leads to the mixing effect of raw materials and mixing efficiency lower, so needs to improve.

Disclosure of Invention

In order to solve the problems of low mixing effect and low mixing efficiency caused by the lack of effective mixing of upper and lower layers of materials in a stirring tank, the utility model provides a mixing weighing device for master batch production.

The utility model provides a mixing weighing device for master batch production, which adopts the following technical scheme:

the mixing and weighing device for master batch production comprises a stirring tank and a feed inlet penetrating through the top wall of the stirring tank; the stirring tank is internally provided with a stirring shaft in a rotating way, and the top of the stirring tank is provided with a driving motor for driving the stirring shaft to rotate; the peripheral wall of (mixing) shaft is the heliciform and is provided with screw blade, the agitator tank is inside to be provided with a plurality of groups dead lever around the (mixing) shaft interval, all be provided with on the dead lever jointly and be used for cup jointing screw blade's guide cylinder, keep the space that supplies the material to flow between guide cylinder and the agitator tank roof.

Through adopting above-mentioned technical scheme, driving motor drives (mixing) shaft and screw blade and carries out forward rotation, and screw blade drives the inside material of guide cylinder and moves towards the direction that is close to driving motor gradually to make the guide cylinder bottom gradually move to the top of guide cylinder, and flow out through the clearance between guide cylinder and the agitator tank roof, thereby make the inside upper and lower layer material of agitator tank contact and mix, thereby improved the stirring efficiency of the inside upper and lower layer material of agitator tank; when driving motor drives the stirring shaft and the propeller blade to rotate reversely, the propeller blade can drive the material in the guide cylinder to move to the bottom of the stirring tank rapidly, so that the stirring tank is discharged conveniently.

Preferably, the lateral wall of (mixing) shaft is provided with a plurality of groups of connecting rods, the guide cylinder is located between all connecting rods, every all be provided with a plurality of groups of stirring rake on the connecting rod.

Through adopting above-mentioned technical scheme, driving motor drives the (mixing) shaft and carries out pivoted in-process, and the (mixing) shaft drives connecting rod and stirring rake in order to carry out intensive mixing to the outside material of guide cylinder to the stirring efficiency of the stirring effect of the inside upper and lower floor's material of agitator tank has been improved.

Preferably, the end part of the guide cylinder, which is close to the driving motor, is sleeved with a guide ring plate, and the guide ring plate inclines towards the direction away from the driving motor.

Through adopting above-mentioned technical scheme, when the inside material of guide cylinder is discharged from the top of guide cylinder, the direction deflector guides the material to make the material flow on stirring rake and the connecting rod, thereby be convenient for pivoted connecting rod and stirring rake stir upper and lower floor's material, and then improved the stirring efficiency of the stirring effect of the inside upper and lower floor's material of agitator tank.

Preferably, a separation plate is arranged in the stirring tank, the stirring shaft is rotationally connected with the separation plate, and the separation plate is positioned at one side of the guide cylinder facing the driving motor; the partition plate and the top of the stirring tank enclose a premixing space, and the feed inlet is communicated with the inside of the premixing space; the middle part of division board is sunken towards the direction of keeping away from driving motor, the (mixing) shaft is located the lateral wall in premixing space and is provided with premixing paddle, the passing through that supplies the material to pass has been run through on the division board.

By adopting the technical scheme, after the materials are led into the premixing space, the rotating stirring shaft drives the premixing blade to rotate so as to pre-mix the materials entering the premixing space, thereby improving the mixing effect and the mixing efficiency of the materials; the sunken division plate guides the material in the premixing space to flow towards the direction close to the passing port, so that the material residue in the premixing space is reduced.

Preferably, the lateral wall of (mixing) shaft is provided with a plurality of groups and hinders the flitch, all hinder the flitch all to be located the division board and keep away from driving motor's one side.

Through adopting above-mentioned technical scheme, rotate the (mixing) shaft and drive the spoiler and rotate, hinder the flitch to the material that drops through the access opening to slowed down the speed that the material breaks away from in advance the space, and then increased the time that the material stopped in advance the space, so that the paddle of premixing carries out intensive mixing to the material of premixing space inside, still further improvement the mixing effect and the mixing efficiency of material.

Preferably, a material hopper is arranged at the top of the stirring tank, a weighing box is communicated between the material hopper and the stirring tank, a material guide opening used for communicating a material inlet is formed in the bottom wall of the weighing box in a penetrating manner, and a sealing component used for controlling whether the material guide opening is communicated with the material inlet or not is arranged between the weighing box and the stirring tank; the automatic weighing device is characterized in that an opening and closing valve for controlling whether the material hopper is communicated with the stirring tank or not is arranged on the material hopper, a controller for controlling the opening and closing valve is arranged on the stirring tank, a pressure sensor for detecting weighing box weight data is arranged at the bottom of the weighing box and sends the weight data to the controller, and the controller is used for receiving the weight data and controlling the opening and closing valve to close the material hopper when the weight data reach a preset value.

By adopting the technical scheme, the sealing assembly seals the material guide opening, and the materials in the material hopper gradually drop into the weighing box through the opening and closing valve to be weighed; the pressure sensor detects weight data of the weighing box in real time and transmits the weight data to the controller, so that when a proper amount of materials are accumulated in the weighing box, the controller timely controls the opening and closing valve to be closed, the material conveying of the weighing box by the material hopper is rapidly and timely interrupted, the accuracy and convenience of the weighing of the materials in the weighing box are improved, and the automation of the material weighing is realized; after the material in the weighing box is accumulated, the material inlet and the material inlet are controlled to be communicated with each other through the sealing assembly, so that the material in the weighing box is quickly led into the stirring tank for stirring.

Preferably, a guide surface is arranged in the weighing box, and the guide surface is inclined towards the material guiding opening.

Through adopting above-mentioned technical scheme, the material inside the guide surface guide weighing box flows towards the feed inlet to the residue of weighing box inside material has been reduced.

Preferably, the sealing assembly comprises a pushing piece and a sealing plate, the sealing plate is arranged between the weighing box and the stirring tank in a sliding mode, the pushing piece is arranged on the stirring tank and used for driving the sealing plate to slide, and a communication port used for communicating the feeding port and the material guiding port is formed in the sealing plate in a penetrating mode.

By adopting the technical scheme, the pushing piece drives the sealing plate to move, and when the communication port is coincident with the material guide port and the material inlet, the materials in the weighing box can flow into the stirring tank; when the communicating port is staggered with the material guiding port, the sealing plate can seal the material guiding port.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the stirring shaft and the propeller blades are driven to positively rotate by the driving motor, and the propeller blades drive the lower layer materials inside the guide cylinder to gradually move towards the direction close to the driving motor, so that the upper layer materials and the lower layer materials inside the stirring tank are contacted and mixed, and the stirring efficiency of the stirring effect of the upper layer materials and the lower layer materials inside the stirring tank is improved.

2. Through the preliminary leading of design material in advance the space of premixing, pivoted (mixing) shaft drives the paddle of premixing and rotates to the material that gets into the inside in advance mixes in advance in the space, thereby has improved the mixing effect and the mixing efficiency of material.

Drawings

FIG. 1 is a schematic structural view of a mixing and weighing device for masterbatch production according to an embodiment of the utility model;

fig. 2 is a schematic cross-sectional view showing the internal structure of the agitator tank.

Reference numerals illustrate:

1. a stirring tank; 10. a discharge pipe; 101. a blanking valve; 11. a feed inlet; 12. a stirring shaft; 121. propeller blades; 122. a connecting rod; 1221. stirring paddles; 123. premixing the blades; 124. a material blocking plate; 13. a driving motor; 14. a fixed rod; 141. a guide cylinder; 1411. a guide ring plate; 15. a partition plate; 151. a passage port; 16. a premixing space; 17. a controller; 2. a material hopper; 21. opening and closing the valve; 3. weighing box; 30. a weighing port; 31. a material guiding port; 32. a pressure sensor; 33. a guide surface; 4. a closure assembly; 41. a pushing member; 42. a closing plate; 421. and a communication port.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a mixing and weighing device for master batch production.

Referring to fig. 1 and 2, a mixing and weighing device for masterbatch production comprises a stirring tank 1 and a discharge pipe 10 welded and communicated with the bottom of the stirring tank 1, wherein a discharge valve 101 is arranged on the discharge pipe 10 for controlling the opening and closing of the discharge pipe 10. The top wall of the stirring tank 1 is provided with a feed inlet 11 in a penetrating manner, and in this embodiment, the feed inlets 11 may be multiple groups. The top wall of the stirring tank 1 and the positions of the feeding holes 11 of each group are fixedly provided with a weighing box 3, and the bottom wall of the weighing box 3 is provided with a guide hole 31 communicated with the feeding holes 11. The bottom wall integrated into one piece inside the weighing box 3 has a guiding surface 33, and the guiding surface 33 inclines towards the feed inlet 31 to guide the material inside the weighing box 3 towards the feed inlet 31. The bottom of each weighing box 3 is provided with a sealing component 4 for controlling the communication state of the corresponding material guiding opening 31 and the material feeding opening 11.

Referring to fig. 1 and 2, the closure assembly 4 includes a pusher 41 and a closure plate 42, the pusher 41 being a pusher cylinder in this embodiment. The pushing member 41 is fixedly installed on the top wall of the stirring tank 1, and the sealing plate 42 is fixedly connected to the output end of the pushing member 41, so that the pushing member 41 can drive the sealing plate 42 to move. The closing plate 42 is located between the weighing box 3 and the stirring tank 1, and the side walls of the weighing box 3 and the stirring tank 1, which are close to each other, are attached to the closing plate 42. The sealing plate 42 is provided with a communication port 421 in a penetrating way, and when the communication port 421 is overlapped with the material guiding port 31 and the material feeding port 11, the materials in the weighing box 3 can flow into the stirring tank 1; when the communication port 421 and the material guiding port 31 are dislocated, the material guiding port 31 can be closed.

Referring to fig. 1 and 2, a plurality of groups of material hoppers 2 are arranged on the top of the stirring tank 1, the material hoppers 2 and the weighing boxes 3 are arranged in one-to-one correspondence, and each group of material hoppers 2 is located above the corresponding weighing box 3. The top wall of each group of weighing boxes 3 is provided with a weighing port 30 in a penetrating manner so that materials in the material hopper 2 fall into the weighing boxes 3 through the weighing port 30.

Referring to fig. 1 and 2, an opening and closing valve 21 is installed at the bottom of each group of the hoppers 2, and in this embodiment, the opening and closing valve 21 is an electrically controlled valve for controlling the communication state of the corresponding hopper 2 with the weighing box 3. The top of the stirring tank 1 is provided with a controller 17, and in the embodiment, the controller 17 can be a single chip microcomputer; the on-off valve 21 is electrically connected to the controller 17 so that the controller 17 can control the on-off valve 21 to be closed and opened.

Referring to fig. 1 and 2, a pressure sensor 32 is installed at the bottom of each set of weighing boxes 3, and the pressure sensor 32 is electrically connected to the controller 17. The pressure sensor 32 is used to detect weight data of the corresponding weighing tank 3 and transmit the weight data to the controller 17. The controller 17 receives the weight data, and when the weight data reaches a preset value inside the controller 17, the controller 17 controls the opening and closing valve 21 to be closed timely, so that the material conveying of the material hopper 2 to the weighing box 3 is rapidly interrupted.

Referring to fig. 1 and 2, a stirring shaft 12 is rotatably connected to the inside of the stirring tank 1 through a bearing, and the longitudinal direction of the stirring shaft 12 is parallel to the height direction of the stirring tank 1. The driving motor 13 is installed at the top of the stirring tank 1, and the output end of the driving motor 13 is in transmission connection with the stirring shaft 12, so that the driving motor 13 can drive the stirring shaft 12 to rotate.

Referring to fig. 1 and 2, a partition plate 15 is installed inside the agitation tank 1, the partition plate 15 and the top of the agitation tank 1 enclose a premixing space 16, and all the feed inlets 11 are communicated with the inside of the premixing space 16. The stirring shaft 12 penetrates through the partition plate 15, and the stirring shaft 12 is rotatably connected with the partition plate 15 through a bearing. The side wall of the stirring shaft 12 located in the premixing space 16 is welded with a plurality of groups of premixing paddles 123, so that when the premixing paddles 123 rotate along with the stirring shaft 12, materials in the premixing space 16 can be premixed.

Referring to fig. 1 and 2, the middle portion of the partition plate 15 is recessed toward a direction away from the driving motor 13 to guide the material inside the premixing space 16 to be concentrated toward the middle portion of the partition plate 15. A plurality of groups of passing openings 151 are formed in the middle of the partition plate 15 in a penetrating manner, and all the passing openings 151 are distributed at intervals along the circumferential direction of the stirring shaft 12 so as to allow materials in the premixing space 16 to pass through.

Referring to fig. 1 and 2, a plurality of groups of material blocking plates 124 are welded and fixed on the side wall of the stirring shaft 12, all the material blocking plates 124 are distributed at intervals along the circumferential direction of the stirring shaft 12, and all the material blocking plates 124 are located on one side of the partition plate 15, which is away from the driving motor 13. When the stirring shaft 12 drives the material blocking plate 124 to rotate, the material passing through the passing opening 151 is blocked by the rotating material blocking plate 124, so that the speed of separating the material from the premixing space 16 is slowed down.

Referring to fig. 1 and 2, a plurality of groups of fixing rods 14 are welded and fixed to the bottom wall of the interior of the stirring tank 1, and all the fixing rods 14 are distributed at intervals along the circumferential direction of the stirring shaft 12. All the fixing rods 14 are welded and fixed with a guide cylinder 141, a gap is reserved between the bottom end of the guide cylinder 141 and the bottom wall of the stirring tank 1, and a gap is reserved between the top end of the guide cylinder 141 and the partition plate 15 for the material to flow. The stirring shaft 12 is positioned in the guide cylinder 141, and the stirring shaft 12 and the guide cylinder 141 are coaxial; the propeller blades 121 are fixed to the peripheral wall of the stirring shaft 12 by screw welding, and the propeller blades 121 are provided along the longitudinal direction of the guide cylinder 141.

Referring to fig. 1 and 2, when the material at the bottom of the stirring tank 1 flows into the guide cylinder 141, the stirring shaft 12 drives the propeller blade 121 to rotate, so that the propeller blade 121 drives the material inside the guide cylinder 141 to gradually approach the driving motor 13, and finally the material at the lower layer inside the stirring tank 1 is discharged out of the guide cylinder 141 through the gap between the guide cylinder 141 and the partition plate 15, thereby realizing that the material at the lower layer inside the stirring tank 1 is conveyed to the upper layer region of the stirring tank 1, so as to mix the upper and lower layer materials inside the stirring tank 1.

Referring to fig. 1 and 2, a plurality of groups of connecting rods 122 are welded and fixed on the side wall of the stirring shaft 12, and all the connecting rods 122 are distributed at intervals along the circumferential direction of the stirring shaft 12; the guiding cylinder 141 is located between all the connecting rods 122, and a plurality of sets of stirring paddles 1221 are welded and fixed on each set of connecting rods 122. The end portion of the guide cylinder 141, which is close to the driving motor 13, is fixedly sleeved with a guide ring plate 1411, and the edge, which is far away from the guide cylinder 141, of the guide ring plate 1411 is inclined towards the direction far away from the driving motor 13, so that materials lifted out of the guide cylinder 141 are guided towards the connecting rod 122.

The embodiment of the utility model provides a mixed weighing device for master batch production, which comprises the following implementation principles:

the driving motor 13 is started, the output end of the driving motor 13 drives the stirring shaft 12 and the propeller blades 121 to rotate, the propeller blades 121 drive the material inside the guide cylinder 141 to gradually move towards the direction close to the driving motor 13, and the material is gradually discharged out of the guide cylinder 141 through a gap between the guide cylinder 141 and the partition plate 15, so that the material at the lower layer inside the stirring tank 1 is conveyed to the upper region of the stirring tank 1, the upper and lower layer materials inside the stirring tank 1 are conveniently contacted with each other and mixed, and the stirring efficiency of the stirring effect of the upper and lower layer materials inside the stirring tank 1 is improved.

In the process of driving the propeller blades 121 to rotate by the stirring shaft 12, the connecting rod 122 and the stirring paddles 1221 are driven to rotate so as to stir and mix materials outside the guide cylinder 141, and the stirring effect and stirring efficiency of the materials inside the stirring tank 1 are further improved.

The foregoing are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in order, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. The mixing and weighing device for master batch production comprises a stirring tank (1) and a feed inlet (11) penetrating through the top wall of the stirring tank (1); the method is characterized in that: a stirring shaft (12) is rotatably arranged in the stirring tank (1), and a driving motor (13) for driving the stirring shaft (12) to rotate is arranged at the top of the stirring tank (1); the stirring device is characterized in that the peripheral wall of the stirring shaft (12) is spirally provided with screw paddles (121), a plurality of groups of fixing rods (14) are arranged in the stirring tank (1) at intervals around the stirring shaft (12), guide cylinders (141) for sleeving the screw paddles (121) are arranged on all the fixing rods (14) together, and a gap for material flow is reserved between the guide cylinders (141) and the top wall of the stirring tank (1);

the stirring tank (1) is internally provided with a separation plate (15), the stirring shaft (12) is rotationally connected with the separation plate (15), and the separation plate (15) is positioned on one side of the guide cylinder (141) facing the driving motor (13); the partition plate (15) and the top of the stirring tank (1) enclose a premixing space (16), and the feed inlet (11) is communicated with the inside of the premixing space (16); the middle part of division board (15) is sunken towards the direction of keeping away from driving motor (13), (123) are provided with to mix paddle in advance in the lateral wall that (12) are located premixing space (16), pass through (151) that supplies the material to pass have been run through on division board (15).

2. The mixing and weighing device for master batch production according to claim 1, wherein: the side wall of the stirring shaft (12) is provided with a plurality of groups of connecting rods (122), the guide cylinder (141) is positioned between all the connecting rods (122), and each connecting rod (122) is provided with a plurality of groups of stirring paddles (1221).

3. The mixing and weighing device for master batch production according to claim 2, wherein: the end part of the guide cylinder (141) close to the driving motor (13) is sleeved with a guide ring plate (1411), and the guide ring plate (1411) inclines towards the direction far away from the driving motor (13).

4. The mixing and weighing device for master batch production according to claim 1, wherein: the side wall of the stirring shaft (12) is provided with a plurality of groups of material blocking plates (124), and all the material blocking plates (124) are positioned on one side of the separation plate (15) far away from the driving motor (13).

5. The mixing and weighing device for master batch production according to claim 1, wherein: the stirring tank is characterized in that a material hopper (2) is arranged at the top of the stirring tank (1), a weighing box (3) is communicated between the material hopper (2) and the stirring tank (1), a material guide opening (31) for communicating a material inlet (11) is formed in the bottom wall of the weighing box (3) in a penetrating manner, and a sealing component (4) for controlling whether the material guide opening (31) is communicated with the material inlet (11) or not is arranged between the weighing box (3) and the stirring tank (1); the automatic weighing device is characterized in that an opening and closing valve (21) used for controlling whether the material hopper (2) is communicated with the stirring tank (1) or not is arranged on the material hopper (2), a controller (17) used for controlling the opening and closing valve (21) is arranged on the stirring tank (1), a pressure sensor (32) used for detecting weight data of the weighing box (3) is arranged at the bottom of the weighing box (3), the weight data are sent to the controller (17), the controller (17) is used for receiving the weight data, and when the weight data reach a preset value, the opening and closing valve (21) is controlled to close the material hopper (2).

6. The mixing and weighing device for master batch production according to claim 5, wherein: the weighing box (3) is internally provided with a guide surface (33), and the guide surface (33) inclines towards the material guiding opening (31).

7. The mixing and weighing device for master batch production according to claim 5, wherein: the sealing assembly (4) comprises a pushing piece (41) and a sealing plate (42), the sealing plate (42) is arranged between the weighing box (3) and the stirring tank (1) in a sliding mode, the pushing piece (41) is arranged on the stirring tank (1) and used for driving the sealing plate (42) to slide, and a communication port (421) used for communicating the feeding port (11) and the material guiding port (31) is formed in the sealing plate (42) in a penetrating mode.