CN212150353U

CN212150353U - Quantitative feeder

Info

Publication number: CN212150353U
Application number: CN201922165452.6U
Authority: CN
Inventors: 刘相金
Original assignee: Chengde Deheng Automation Technology Co ltd
Current assignee: Chengde Deheng Automation Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-12-15
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a constant feeder, which comprises a frame and a weighing device, the left side of frame is rotated and is connected with the live-rollers, the one end of live-rollers and the output shaft fixed connection of the motor of fixed mounting in the frame rear side, the right side of frame is provided with tightening means, be provided with the conveyer belt between live-rollers and the tightening means, weighing device includes U type frame, two first pressure sensor and two second dwang, U type frame fixed mounting is at the top of frame, first pressure sensor is provided with two, and the symmetry is installed in the bottom of U type frame, the equal fixed mounting of output of two first pressure sensor has the telescopic link. The utility model discloses a having set up the weighing device, among the weighing device, when material weight alleviates on the conveyer belt, the spring drives the second dwang and rotates, increases two distances of weighing between the roller, and the value of weighing can not reduce too much, and when opposite material was overweight, the value of guaranteeing to weigh can not increase too much, makes pressure sensor's measured value maintain in the optimum range.

Description

Quantitative feeder

Technical Field

The utility model relates to a constant feeder technical field specifically is a constant feeder.

Background

The quantitative feeder is widely applied to the industries of cement, building materials, metallurgy, mines, chemical industry, chemical fertilizers, grains and the like, is an ideal device for proportioning and metering granular materials, and provides an advanced technical means for improving the product quality, saving energy and improving the automation level of a system.

The existing weighing device of the constant feeder can only weigh the mass of the materials on the conveying belt with fixed length, can accurately weigh when more materials are on the conveying belt, has limited range when less materials are on the conveying belt, can reduce the weighing precision, and is not beneficial to improving the feeding precision.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a constant feeder has solved foretell problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a constant feeder comprises a rack and a weighing device, wherein the left side of the rack is rotatably connected with a rotating roller, one end of the rotating roller is fixedly connected with an output shaft of a motor fixedly arranged on the rear side of the rack, the right side of the rack is provided with a tightening device, and a conveying belt is arranged between the rotating roller and the tightening device;

the weighing device comprises a U-shaped frame, two first pressure sensors and two second rotating rods, the U-shaped frame is fixedly arranged at the top of the frame, the number of the first pressure sensors is two, and are symmetrically arranged at the bottom of the U-shaped frame, the output ends of the two first pressure sensors are both fixedly provided with telescopic rods, the bottom end of the telescopic rod is rotatably connected with two first rotating rods, the bottom ends of the two first rotating rods are respectively rotatably connected with one side of the two second rotating rods, the middle parts of the two second rotating rods are rotatably connected, a weighing roller is arranged between the two second rotating rods which are symmetrical in front and back, the weighing roller is contacted with the bottom surface of the upper part of the conveyor belt, a second pressure sensor is fixedly arranged at the bottom of the second rotating rod positioned at the left side, and a spring is fixedly connected between the output end of the second pressure sensor and the bottom of the second rotating rod on the right side.

Preferably, tightening means is including tightening up case and threaded rod, tighten up incasement portion sliding connection has two slides, and is provided with the tightening roller between two slides, the conveyer belt both sides set up respectively on tightening roller and live-rollers, the one end and the slide of threaded rod rotate to be connected, and the other end of threaded rod runs through the lateral wall of tightening up the case and extends to the outside of tightening up the case.

Preferably, the top of the rack is fixedly provided with striker plates on two sides of the conveyor belt, and the top of the striker plate is fixedly provided with a blanking hopper.

Preferably, a bearing roller is rotatably connected between the front side and the rear side of the rack, and the bearing roller is in contact with the bottom surface of the upper part of the conveyor belt.

Preferably, the left side of the rack is fixedly provided with a discharging cover, and one side of the discharging cover is fixedly provided with a control box.

Advantageous effects

The utility model provides a constant feeder. The method has the following beneficial effects:

this constant feeder, through having set up weighing device, among the weighing device, when material weight alleviates on the conveyer belt, the spring drives the second dwang and rotates, and the distance between two weighing rollers of increase guarantees that the value of weighing can not reduce too much, and on the contrary, when the material is overweight, the value of guaranteeing to weigh can not increase too much, makes pressure sensor's measured value maintain in optimum range, improves and weighs the degree of accuracy.

Drawings

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

FIG. 2 is a schematic structural view of the weighing apparatus of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 1. a frame; 2. a rotating roller; 3. a conveyor belt; 4. a motor; 5. a U-shaped frame; 6. a first pressure sensor; 7. a second pressure sensor; 8. a telescopic rod; 9. a first rotating lever; 10. a second rotating lever; 11. a weighing roller; 12. a tightening box; 13. a slide plate; 14. a take-up roll; 15. a threaded rod; 16. a spring; 17. a striker plate; 18. feeding a hopper; 19. a bearing roller; 20. a discharge cover; 21. and a control box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a constant feeder comprises a frame 1 and a weighing device, wherein the left side of the frame 1 is rotatably connected with a rotating roller 2, one end of the rotating roller 2 is fixedly connected with an output shaft of a motor 4 fixedly arranged on the rear side of the frame 1, a tightening device is arranged on the right side of the frame 1, and a conveying belt 3 is arranged between the rotating roller 2 and the tightening device;

the weighing device comprises a U-shaped frame 5, two first pressure sensors 6 and two second rotating rods 10, wherein the U-shaped frame 5 is fixedly arranged at the top of a frame 1, the number of the first pressure sensors 6 is two, the two first pressure sensors are symmetrically arranged at the bottom of the U-shaped frame 5, telescopic rods 8 are fixedly arranged at the output ends of the two first pressure sensors 6, the bottom end of each telescopic rod 8 is rotatably connected with two first rotating rods 9, the bottom ends of the two first rotating rods 9 are respectively rotatably connected with one side of the two second rotating rods 10, the middle parts of the two second rotating rods 10 are rotatably connected, a weighing roller 11 is arranged between the two second rotating rods 10 which are symmetrical in front and back, the weighing roller 11 is contacted with the bottom surface of the upper part of the conveying belt 3, a second pressure sensor 7 is fixedly arranged at the bottom of the second rotating rod 10 on the left side, and a spring 16 is fixedly connected between the output end of, the first pressure sensor 6 and the second pressure sensor 7 are both LC101/LCM101 type weighing sensors.

Wherein tightening means is including tightening up case 12 and threaded rod 15, tightening up two slides 13 of case 12 internal sliding connection, and be provided with the tightening roller 14 between two

slides

13, 3 both sides of conveyer belt set up respectively on tightening roller 14 and live-rollers 2, the one end and the slide 13 of threaded rod 15 rotate to be connected, and the other end of threaded rod 15 runs through the lateral wall of tightening up case 12 and extends to the outside of tightening up case 12, can drive the removal of tightening roller 14 through live-rollers 15, and then control conveyer belt 3's elasticity.

Wherein, the top of the frame 1 is fixedly provided with a material baffle 17 at two sides of the conveyor belt 3, the top of the material baffle 17 is fixedly provided with a blanking hopper 18, and the blanking hopper 18 is used for throwing materials.

Wherein the front and back both sides of frame 1 rotate between be connected with bearing roller 19, and bearing roller 19 and the upper portion bottom surface contact of conveyer belt 3, and bearing roller 19 guarantees that the material transports more stably.

Wherein the left side fixed mounting of frame 1 has the cover 20 of unloading, one side fixed mounting of the cover 20 of unloading has control box 21, be provided with the calculating device in the control box 21, vertical calculation through second pressure sensor 7 calculates the distance between the 10 tops of second dwang, and then learn the distance between two weighing rollers 11, the total mass of material in the distance can be known to numerical value through first pressure sensor, just so can calculate the quality of unit distance material, feed speed can be controlled through the rotational speed of control motor 4.

During operation, through on hopper 18 is with the even leading-in conveyer belt 3 of material down, open motor 4, motor 4 drives conveyer belt 3 and rotates, transport the material, when material weight alleviates on the conveyer belt 3, spring 16 drives second dwang 10 and rotates, increase two distances between weighing roller 11, the value of guaranteeing to weigh can not reduce too much, on the contrary, when the material is overweight, the value of guaranteeing to weigh can not increase too much, make the measured value of first pressure sensor 6 maintain in the optimum range.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 constant feeder, includes frame (1) and weighing device, its characterized in that: a rotating roller (2) is rotatably connected to the left side of the rack (1), one end of the rotating roller (2) is fixedly connected with an output shaft of a motor (4) fixedly mounted on the rear side of the rack (1), a tightening device is arranged on the right side of the rack (1), and a conveying belt (3) is arranged between the rotating roller (2) and the tightening device;

the weighing device comprises a U-shaped frame (5), two first pressure sensors (6) and two second rotating rods (10), wherein the U-shaped frame (5) is fixedly arranged at the top of a rack (1), the first pressure sensors (6) are arranged in two numbers and symmetrically arranged at the bottom of the U-shaped frame (5), telescopic rods (8) are fixedly arranged at the output ends of the two first pressure sensors (6), the bottom end of each telescopic rod (8) is rotatably connected with the two first rotating rods (9), the bottom ends of the two first rotating rods (9) are respectively rotatably connected with one side of each of the two second rotating rods (10), the middle parts of the two second rotating rods (10) are rotatably connected, a weighing roller (11) is arranged between the two second rotating rods (10) which are symmetrical in the front and back direction, the weighing roller (11) is contacted with the bottom surface of the upper part of the conveying belt (3), the bottom part of the left second rotating rod (10) is fixedly provided with a second pressure sensor (7), and a spring (16) is fixedly connected between the output end of the second pressure sensor (7) and the bottom of the second rotating rod (10) on the right side.

2. A constant feeder according to claim 1, characterised in that: tightening means is including tightening up case (12) and threaded rod (15), tighten up two slides (13) of case (12) internal sliding connection, and be provided with between two slides (13) and tighten up roller (14), conveyer belt (3) both sides set up respectively on tightening up roller (14) and live-rollers (2), the one end and slide (13) of threaded rod (15) are rotated and are connected, and the other end of threaded rod (15) runs through the lateral wall of tightening up case (12) and extend to the outside of tightening up case (12).

3. A constant feeder according to claim 1, characterised in that: the top of frame (1) its both sides fixed mounting that is located conveyer belt (3) has striker plate (17), and the top fixed mounting of striker plate (17) has hopper (18) down.

4. A constant feeder according to claim 1, characterised in that: the front side and the rear side of the rack (1) are rotatably connected with a bearing roller (19), and the bearing roller (19) is contacted with the bottom surface of the upper part of the conveyor belt (3).

5. A constant feeder according to claim 1, characterised in that: the left side fixed mounting of frame (1) has the cover of unloading (20), one side fixed mounting of the cover of unloading (20) has control box (21).