CN216945333U

CN216945333U - Quantitative discharging mechanism for fragile strip-shaped materials

Info

Publication number: CN216945333U
Application number: CN202220359529.2U
Authority: CN
Inventors: 唐建平
Original assignee: Tofflon Science and Technology Group Co Ltd
Current assignee: Tofflon Science and Technology Group Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-07-12
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a quantitative discharging mechanism for fragile strip-shaped materials, which relates to the technical field of material discharging and comprises a material box, wherein a supporting plate is fixed on one side below the material box, an upper bottom plate is arranged below the material box, and a discharging hopper is arranged at the lower end of the material box; a lower bottom plate is arranged right below the upper bottom plate, a screw rod front end bearing seat and a screw rod rear end bearing seat are sequentially fixed above the upper bottom plate from left to right, and a ball screw is rotatably connected between the screw rod front end bearing seat and the screw rod rear end bearing seat. The feed box is provided with a ball screw, a screw nut and a fixed seat, the ball screw is driven to rotate by a servo motor and a right-angle precision speed reducer, the screw nut, the fixed seat and the movable valve plate realize synchronous horizontal movement under the matching action of the screw nut to realize the discharge of the feed box, and meanwhile, the opening degree of the movable valve plate can be controlled by controlling the number of rotation turns of the ball screw.

Description

Quantitative discharging mechanism for fragile strip-shaped materials

Technical Field

The utility model relates to the technical field of material discharging, in particular to a quantitative discharging mechanism for fragile strip-shaped materials.

Background

At present, the discharging of fragile strip materials adopts a mode of spiral conveying discharging, and a spiral conveyor is a machine which utilizes a motor to drive a spiral to rotate and push the materials to realize the conveying purpose. The spiral blade is welded on the rotating shaft of the spiral conveyer, and the surface type of the blade has solid surface type, belt surface type, blade surface type and the like according to different types of conveyed materials, and the conveyed materials are pushed along the fixed shell by the rotating spiral to carry out conveying work.

But current horizontal screw conveyer's mode is owing to adopt the closed shell to open the feed opening, and the unloading receives the characteristic influence of material easily, not only influences the continuity of ejection of compact, moreover because breakable strip material is rectangular shape, not only can cause the weight precision of ejection of compact not high, and easy breakage moreover, in addition, need take the screw rod to take workbin and drive mechanism simultaneously to take out during the washing, and it is inconvenient to dismantle the installation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a quantitative discharging mechanism for fragile strip-shaped materials.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the quantitative discharging mechanism for the fragile strip-shaped materials comprises a material box, and is characterized in that a supporting plate is fixed on one side below the material box, an upper bottom plate is arranged below the material box, and a discharging hopper is arranged at the lower end of the material box;

be provided with the lower plate under the upper plate, just the top of upper plate from left to right is fixed with lead screw front end bearing frame and lead screw rear end bearing frame in proper order, lead screw front end bearing frame with it is connected with ball screw to rotate between the lead screw rear end bearing frame, ball screw's one end is provided with the accurate speed reducer of right angle, just ball screw with it is fixed continuous through the shaft coupling between the accurate speed reducer of right angle, servo motor is installed to the top of the accurate speed reducer of right angle, screw-nut has been cup jointed on ball screw's surface, screw-nut's external fixation has the fixing base, the top of fixing base is fixed with the removal valve plate, the removal valve plate is located the workbin with in the clearance that forms between the play workbin.

Preferably, the supporting plate is fixedly connected with the upper bottom plate through a first knob, and the discharge hopper is fixedly connected with the lower bottom plate through a second knob.

Preferably, a hopper handle is fixed to one side of the hopper, and the hopper is a stainless steel member.

Preferably, the screw rod nut is fixedly connected with the fixed seat through a bolt, and the lower surface of the fixed seat is attached to the upper surface of the upper bottom plate.

Preferably, a metering and weighing module is arranged between the upper bottom plate and the lower bottom plate, the metering and weighing module is fixedly connected with the upper bottom plate through an upper connecting block, and the metering and weighing module is fixedly connected with the lower bottom plate through a lower connecting block.

Preferably, the positions of one ends of the upper bottom plate and the lower bottom plate, which correspond to the discharge hopper, are provided with notches, and the discharge hopper is of an S-shaped structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. the automatic discharging device is provided with the ball screw, the screw nut and the fixed seat, the ball screw is driven to rotate by the servo motor and the right-angle precision speed reducer, the screw nut, the fixed seat and the movable valve plate realize synchronous horizontal movement under the matching action of the screw nut to realize discharging of a material box, and meanwhile, the opening degree of the movable valve plate can be controlled by controlling the number of rotation turns of the ball screw, so that the discharging amount is controlled;

2. the feeding mechanism is provided with the first knob and the second knob, so that the feeding box and the discharging hopper can be quickly mounted and dismounted, the feeding mechanism is convenient to maintain, the whole mechanism runs stably and reliably, the material is smoothly discharged, and the inner walls of the feeding box and the discharging hopper are not easy to bond the material.

Drawings

FIG. 1 is a schematic structural view of a movable valve plate in a quantitative discharging mechanism for fragile strip-shaped materials according to the present invention when the movable valve plate is opened;

FIG. 2 is a schematic structural view of a movable valve plate of the quantitative discharging mechanism for fragile strip-shaped materials according to the present invention when the movable valve plate is closed;

FIG. 3 is a front sectional view of a mechanism for quantitatively discharging fragile strip-shaped materials according to the present invention;

FIG. 4 is a schematic bottom view of a quantitative discharging mechanism for fragile strip materials according to the present invention;

fig. 5 is a schematic top sectional view of a quantitative discharging mechanism for fragile strip-shaped materials according to the present invention.

In the figure: 1. a material box; 2. a servo motor; 3. a right-angle precision reducer; 4. a bearing seat at the front end of the screw rod; 5. a ball screw; 6. a fixed seat; 7. a screw rear end bearing block; 8. a coupling; 9. a feed screw nut; 10. a support plate; 11. an upper base plate; 12. a first knob; 13. a hopper handle; 14. a discharge hopper; 15. a second knob; 16. moving the valve plate; 17. a lower base plate; 18. an upper connecting block; 19. a metering and weighing module; 20. and a lower connecting block.

Detailed Description

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

Referring to fig. 1-5, the quantitative discharging mechanism for fragile strip-shaped materials comprises a material box 1, wherein a supporting plate 10 is fixed on one side below the material box 1, an upper bottom plate 11 is arranged below the material box 1, and a discharging hopper 14 is arranged at the lower end of the material box 1;

a lower bottom plate 17 is arranged right below the upper bottom plate 11, a screw rod front end bearing seat 4 and a screw rod rear end bearing seat 7 are sequentially fixed above the upper bottom plate 11 from left to right, a ball screw 5 is rotatably connected between the screw rod front end bearing seat 4 and the screw rod rear end bearing seat 7, one end of the ball screw 5 is provided with a right-angle precision speed reducer 3, the ball screw 5 is fixedly connected with the right-angle precision speed reducer 3 through a coupling 8, the servo motor 2 is arranged above the right-angle precision speed reducer 3, the surface of the ball screw 5 is sleeved with a screw nut 9, a fixed seat 6 is fixed outside the screw nut 9, a movable valve plate 16 is fixed above the fixed seat 6, the movable valve plate 16 is positioned in a gap formed between the feed box 1 and the discharge hopper 14, the ball screw 5, the screw nut 9 and the fixed seat 6 are matched to drive the movable valve plate 16 to move so as to control the discharge amount.

Referring to fig. 2 and 5, the supporting plate 10 is fixedly connected with the upper base plate 11 through the first knob 12, and the discharge hopper 14 is fixedly connected with the lower base plate 17 through the second knob 15, so that the structure facilitates the installation and the disassembly of the material box 1 and the discharge hopper 14, and the worker can clean the material box 1 and the discharge hopper 14 conveniently.

Referring to fig. 4, a hopper handle 13 is fixed on one side of the material box 1, the material box 1 is a stainless steel member, the material box 1 is formed by welding and processing a stainless steel plate, and a 350-degree high-temperature teflon hot-dip process is adopted after processing and polishing, so that sticky materials are prevented from being attached to the inner wall of the material box 1, and the precision of the feeding amount is prevented from being influenced.

Referring to fig. 1 and 5, the screw nut 9 is fixedly connected with the fixed seat 6 through a bolt, the lower surface of the fixed seat 6 is attached to the upper surface of the upper bottom plate 11, when the ball screw 5 rotates, the fixed seat 6 is tightly attached to the upper bottom plate 11 to slide, the screw nut 9 is limited, and the screw nut 9 can be prevented from rotating.

Referring to fig. 3, a measuring and weighing module 19 is arranged between an upper base plate 11 and a lower base plate 17, the measuring and weighing module 19 is fixedly connected with the upper base plate 11 through an upper connecting block 18, the measuring and weighing module 19 is fixedly connected with the lower base plate 17 through a lower connecting block 20, the measuring and weighing module 19 comprises a sensor and a weighing module, and the total weight of materials in a material box 1 and the material box 1 can be detected, so that after the material box 1 discharges the material, the weight of the materials released by the material box can be flexibly obtained according to the total weight of the material in the material box 1 before discharging and the materials in the material box 1 after discharging and the total weight of the material in the material box 1 after discharging and the materials left in the material box 1.

Referring to fig. 3-4, the positions of one end of the upper base plate 11 and one end of the lower base plate 17 corresponding to the discharge hopper 14 are both provided with notches, the discharge hopper 14 is in an S-shaped structure, and the notches are arranged so that the feed port of the discharge hopper 14 is close to the discharge port of the material box 1.

According to the utility model, fragile strip materials are poured into the material box 1, the materials enter the discharge hole along the bevel edge of the lower part of the material box 1, the movable valve plate 16 at the discharge hole end is in a closed state, so that the materials can smoothly fill the space in the material box 1, when the materials need to be discharged, the servo motor 2 drives the right-angle precision speed reducer 3(1:4), the right-angle precision speed reducer 3 drives the ball screw 5 (double-head lead 20) to rotate forward through the coupler 8, the screw nut 9 is matched, the fixed seat 6 slides along the upper bottom plate 11 to limit the screw nut 9, the screw nut 9 and the fixed seat 6 can be driven to move towards the right-angle precision speed reducer 3 under the condition that the screw nut 9 rotates, and the movable valve plate 16 is driven to gradually reach the discharge state from the closed state during the period according to the required discharge amount, the ball screw 5 is driven to rotate for corresponding turns to enable the movable valve plate 16 to reach the corresponding discharging opening degree, and discharging is started;

the weighing device subtracts the weight of the fed materials from the weight of the fed materials before feeding and feeds the subtracted weight back to the servo motor driving controller, the number of rotation turns of the ball screw 5 is controlled to control the opening degree of the movable valve plate 16, the opening speed of the movable valve plate 16 is 500mm/S, the movable valve plate can be opened instantly, and therefore the accuracy of feeding amount is improved, when the right-angle precision speed reducer 3 drives the ball screw 5 to rotate reversely through the coupler 8, similarly, the movable valve plate 16 can be changed from an opening state to a closing state;

it should be further noted that the opening degree of the discharge hole of the bin 1 is controlled by the movement amount of the movable valve plate 16 driven by the rotation of the ball screw 5, for example: when the ball screw 5 rotates for one circle, the valve plate 16 is moved forwards and backwards by 50mm in a front-and-back mode, 25g of materials can be released more or less, when 50g of powder is needed, the ball screw 5 can be used for rotating for 2 circles, and therefore the opening degree of the valve plate 16 is moved by 50mm and the like;

when the material box is required to be disassembled and cleaned, the hopper handle 13 can be taken out together with the supporting plate 10 and the material box 1 by unscrewing the first knob 12, the discharge hopper 14 can be taken out by unscrewing the second knob 15, and on the contrary, the material box 1 and the discharge hopper 14 can be respectively arranged on the upper bottom plate 11 and the lower bottom plate 17 by unscrewing the first knob 12 and the second knob 15.

The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore all equivalent technical solutions should also fall into the scope of the present invention, and should be defined by the claims.

Claims

1. The quantitative discharging mechanism for the fragile strip-shaped materials comprises a material box (1), and is characterized in that a supporting plate (10) is fixed on one side below the material box (1), an upper bottom plate (11) is arranged below the material box (1), and a discharging hopper (14) is arranged at the lower end of the material box (1);

a lower bottom plate (17) is arranged under the upper bottom plate (11), a screw rod front end bearing seat (4) and a screw rod rear end bearing seat (7) are sequentially fixed above the upper bottom plate (11) from left to right, a ball screw rod (5) is rotatably connected between the screw rod front end bearing seat (4) and the screw rod rear end bearing seat (7), a right-angle precision speed reducer (3) is arranged at one end of the ball screw rod (5), the ball screw rod (5) and the right-angle precision speed reducer (3) are fixedly connected through a coupler (8), a servo motor (2) is installed above the right-angle precision speed reducer (3), a screw nut (9) is sleeved on the surface of the ball screw rod (5), a fixing seat (6) is fixed outside the screw nut (9), a movable valve plate (16) is fixed above the fixing seat (6), the movable valve plate (16) is positioned in a gap formed between the feed box (1) and the discharge hopper (14).

2. The quantitative discharging mechanism for fragile strip-shaped materials according to claim 1, characterized in that the supporting plate (10) is fixedly connected with the upper bottom plate (11) through a first knob (12), and the discharging hopper (14) is fixedly connected with the lower bottom plate (17) through a second knob (15).

3. The quantitative discharging mechanism for fragile strip-shaped materials according to claim 1, characterized in that a hopper handle (13) is fixed on one side of the bin (1), and the bin (1) is a stainless steel member.

4. The quantitative discharging mechanism for fragile strip-shaped materials according to claim 1, wherein the feed screw nut (9) is fixedly connected with the fixed seat (6) through a bolt, and the lower surface of the fixed seat (6) is attached to the upper surface of the upper bottom plate (11).

5. The quantitative discharging mechanism for fragile strip-shaped materials according to claim 1, wherein a metering and weighing module (19) is arranged between the upper bottom plate (11) and the lower bottom plate (17), the metering and weighing module (19) is fixedly connected with the upper bottom plate (11) through an upper connecting block (18), and the metering and weighing module (19) is fixedly connected with the lower bottom plate (17) through a lower connecting block (20).

6. The quantitative discharging mechanism for fragile strip-shaped materials according to claim 1, wherein notches are formed in positions, corresponding to the discharging hopper (14), of one ends of the upper bottom plate (11) and the lower bottom plate (17), and the discharging hopper (14) is of an S-shaped structure.