CN216944853U - Screw rod ration material feeding unit - Google Patents

Abstract

The utility model discloses a screw quantitative feeding device, which comprises a screw feeding device, a screw feeding device and a screw feeding device, wherein the screw feeding device comprises a screw feeding mechanism; a main upper base plate; a base floor; a hopper; a weighing mechanism arranged between the main upper base plate and the base plate; the screw mechanism is arranged on the base bottom plate; the stirring mechanism is arranged in the hopper; the hopper is connected to the upper end face of the base bottom plate, and the screw quantitative feeding device is used for solving the problems that the existing horizontal screw conveyor is easy to influence the blanking by the characteristics of materials, influences the continuity of discharging, causes low weight precision of discharging and the like.

Description

Screw rod ration material feeding unit

Technical Field

The utility model relates to a screw quantitative feeding device.

Background

At present, a screw conveyor is a machine which utilizes a motor to drive a screw to rotate and push materials so as to achieve the purpose of conveying. The horizontal screw conveyer has the advantages that the horizontal screw conveyer can convey materials horizontally, obliquely or vertically, the rotating shaft of the screw conveyer is welded with the screw blades, the surface shapes of the blades have solid surface shapes, belt surface shapes, blade surface shapes and other types according to different conveyed materials, conveyed materials are pushed along the fixed shell by the aid of the rotating screw to be conveyed, but the conventional horizontal screw conveyer adopts a mode that a discharge opening is formed in a closed shell, so that the discharge is easily influenced by characteristics of the materials, the continuity of discharge is influenced, and the weight precision of discharge is low. When cleaning, the screw rod, the material box and the transmission mechanism need to be drawn out simultaneously, and the disassembly and the assembly are inconvenient. And the material with poor fluidity has no function of preventing bridging and rat holes, so the screw quantitative feeding device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the discharging of the existing horizontal screw conveyor is easily influenced by the characteristics of materials, the discharging continuity is influenced, the discharging weight precision is low and the like, and provides a screw quantitative feeding device.

The technical scheme for realizing the purpose is as follows: a screw quantitative feeding device comprises;

a main upper base plate;

a base floor;

a hopper;

a weighing mechanism arranged between the main upper bottom plate and the base bottom plate;

the screw mechanism is arranged on the base bottom plate;

the stirring mechanism is arranged in the hopper;

wherein, the hopper is connected to the upper end surface of the base bottom plate.

Preferably, the weighing mechanism comprises a weighing module, a lower connecting block is connected to the main upper base plate, the left end of the lower end face of the weighing module is connected to the lower connecting block, an upper connecting block is connected to the right end of the upper end face of the weighing module, and the upper connecting block is connected to the lower end face of the base plate.

Preferably, the screw mechanism comprises a feeding screw, a screw blade is connected to the feeding screw, the feeding screw penetrates through the hopper connected to the base bottom plate, the screw blade is in contact with the bottom surface of the hopper, two ends of the feeding screw protrude out of the hopper, the right end of the feeding screw is connected with a tail end bearing seat, and a discharge hole is formed in the lower end of the tail end bearing seat; the feeding screw rod mechanism is characterized in that a pair of angular contact bearings are connected in a reducer end bearing seat, a screw rod driving shaft penetrates through the reducer end bearing seat, two ends of the screw rod driving shaft protrude out of two sides of the reducer end bearing seat, the left end of the feeding screw rod is sleeved with an O-shaped ring and connected to the right end of the screw rod driving shaft, the left end of the screw rod driving shaft is connected with a right-angle precision speed reducer, and the upper end of the right-angle precision speed reducer is connected with a servo motor.

Preferably, the rabbling mechanism includes the stirring wheel, stirring wheel center embedding installation stirring wheel bearing frame, stirring wheel dabber passes the stirring wheel bearing frame, stirring wheel dabber both ends are connected on the inner wall of hopper both sides, many puddlers are connected separately to the both sides of stirring wheel, the stirring wheel with screw blade meshing on the pay-off screw rod.

The utility model has the beneficial effects that: the two sides of the stirring wheel are respectively connected with the stirring rods, so that materials can be stirred, the fluidity of the materials is increased, and the phenomena of bridging and rat holes are prevented; the material filling quantity can be determined by the quantity of pushing the material to be output by rotating the feeding screw rod every circle by arranging the connecting screw rod blades on the feeding screw rod, so that the precision of the feeding quantity is improved.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

figure 2 is a detail view of the mixing wheel of the present invention.

In the figure: 1. a hopper; 2. a servo motor; 3. a right-angle precision reducer; 4. a reducer end bearing seat; 5. a tail end bearing seat; 6. a feed screw; 7. a stirring wheel; 8. a weighing module; 9. a discharge port; 10. a stirring wheel mandrel; 11. a main upper base plate; 12. a base floor; 13. a stirring wheel bearing seat; 14. a screw blade; 15. a stirring rod; 16. an upper connecting block; 17. a lower connecting block; 18. an angular contact bearing; 19. a screw drive shaft; 20. and an O-shaped ring.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the attached drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The utility model will be further explained with reference to the drawings.

As shown in fig. 1-2, a screw quantitative feeding device includes; a main upper bottom plate 11, a base bottom plate 12, a hopper 1, a weighing mechanism, a screw mechanism and a stirring mechanism; the weighing mechanism is arranged between the main upper bottom plate 11 and the base bottom plate 12; the screw mechanism is arranged on the base bottom plate 12; the stirring mechanism is arranged in the hopper 1; wherein, the hopper 1 is connected with the upper end surface of the base bottom plate 12.

Specifically, the weighing mechanism includes weighing module 8, connects connecting block 17 down on the main bottom plate 11, and connecting block 17 is connected down to the terminal surface left end under weighing module 8, and connecting block 16 is connected to the right-hand member of the upper end of weighing module 8, and terminal surface under the base bottom plate 12 is connected to last connecting block 16.

Specifically, the screw mechanism comprises a feeding screw 6, a screw blade 14 is connected to the feeding screw 6, the feeding screw 6 penetrates through a hopper 1 connected to a base bottom plate 12, the screw blade 14 is in contact with the bottom surface of the hopper 1, two ends of the feeding screw 6 protrude out of the hopper 1, the right end of the feeding screw 6 is connected with a tail end bearing block 5, and a discharge port 9 is formed in the lower end of the tail end bearing block 5; a pair of angular contact bearings 18 are connected in the end bearing seat 4 of the speed reducer, a screw driving shaft 19 penetrates through the end bearing seat 4 of the speed reducer, two ends of the screw driving shaft 19 protrude out of two sides of the end bearing seat 4 of the speed reducer, an O-shaped ring 20 is sleeved at the left end of the feeding screw 6 and connected to the right end of the screw driving shaft 19, the left end of the screw driving shaft 19 is connected with the right-angle precision speed reducer 3, and the upper end of the right-angle precision speed reducer 3 is connected with the servo motor 2.

Specifically, rabbling mechanism includes stirring wheel 7, 7 central embedding installation stirring wheel bearing frame 13 of stirring wheel, stirring wheel dabber 10 passes stirring wheel bearing frame 13, stirring wheel dabber 10 both ends are connected on 1 both sides inner wall of hopper, many puddlers 15 are connected separately to the both sides of stirring wheel 7, the screw blade 14 meshing on stirring wheel 7 and the feeding screw 6, the material output of depositing in the rotation drive hopper 1 of feeding screw 6 flows from discharge gate 9, can utilize the every volume that the round promoted material output of feeding screw 6 to rotate to carry out the affirmation of material filling volume, for example: 10g of materials can be released when the feeding screw 6 rotates for one circle, and when 50g of powder is needed, the feeding screw 6 can be utilized to rotate for 5 circles.

The working principle is as follows: the materials are poured into the hopper 1, the hopper 1 is in open connection with the conveying cavity of the feeding screw 6, and no feeding bottleneck exists, so that the conveying cavity can be smoothly filled with the materials, then the feeding screw 6 is driven by the servo motor 2, the materials are fed by rotating corresponding turns according to the required quantity, and meanwhile, the screw blades 14 are meshed with the stirring wheel 7 on the feeding screw to rotate and stir the materials, so that the flowability of the materials is increased, and the phenomena of bridging and rat holing are prevented; by checking the pointer change of the weight obtained by subtracting the weight after feeding from the weight before feeding of the weighing device, the weight of the material at the conveying position can be known, and the precision of improving the feeding amount is achieved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims (4)

1. A screw quantitative feeding device is characterized by comprising;

a main upper floor (11);

a base floor (12);

a hopper (1);

a weighing mechanism arranged between the main upper base plate (11) and the base plate (12);

a screw mechanism disposed on the base bottom plate (12);

the stirring mechanism is arranged in the hopper (1);

wherein, the hopper (1) is connected with the upper end surface of the base bottom plate (12).

2. The screw quantitative feeding device according to claim 1, wherein the weighing mechanism comprises a weighing module (8), a lower connecting block (17) is connected to the main upper base plate (11), the lower connecting block (17) is connected to the left end of the lower end face of the weighing module (8), an upper connecting block (16) is connected to the right end of the upper end face of the weighing module (8), and the upper connecting block (16) is connected to the lower end face of the base plate (12).

3. The screw quantitative feeding device according to claim 2, wherein the screw mechanism comprises a feeding screw (6), a screw blade (14) is connected to the feeding screw (6), the feeding screw (6) penetrates through the hopper (1) connected to the base bottom plate (12), the screw blade (14) is in contact with the bottom surface of the hopper (1), two ends of the feeding screw (6) protrude out of the hopper (1), the right end of the feeding screw (6) is connected with a tail end bearing block (5), and a discharge port (9) is formed in the lower end of the tail end bearing block (5); a pair of angular contact bearings (18) is connected in the end bearing seat (4) of the speed reducer, a screw driving shaft (19) penetrates through the end bearing seat (4) of the speed reducer, two ends of the screw driving shaft (19) protrude out of two sides of the end bearing seat (4) of the speed reducer, an O-shaped ring (20) is sleeved at the left end of the feeding screw (6) and connected to the right end of the screw driving shaft (19), the left end of the screw driving shaft (19) is connected with a right-angle precision speed reducer (3), and the upper end of the right-angle precision speed reducer (3) is connected with a servo motor (2).

4. The screw quantitative feeding device according to claim 3, wherein the stirring mechanism comprises a stirring wheel (7), a stirring wheel bearing seat (13) is embedded in the center of the stirring wheel (7), a stirring wheel core shaft (10) penetrates through the stirring wheel bearing seat (13), two ends of the stirring wheel core shaft (10) are connected to the inner walls of two sides of the hopper (1), two sides of the stirring wheel (7) are respectively connected with a plurality of stirring rods (15), and the stirring wheel (7) is meshed with screw blades (14) on the feeding screw (6).

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