CN110482147B

CN110482147B - Vibrating feeder

Info

Publication number: CN110482147B
Application number: CN201910687194.XA
Authority: CN
Inventors: 黄敏龙
Original assignee: HANGZHOU SHANHU MACHINERY CO LTD
Current assignee: HANGZHOU SHANHU MACHINERY CO LTD
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2021-01-12
Anticipated expiration: 2039-07-29
Also published as: CN110482147A

Abstract

The invention discloses a vibrating feeder, which comprises a frame; a sieve plate and a combined screening device are arranged in the frame; the combined screening device is at least provided with a layer of screening plate and is arranged below the screening plate; the vibrating strip is movably arranged in the screening plate; the vibrating bar comprises a solid section and a hollow section, and the solid sections and the hollow sections of two adjacent vibrating bars are arranged in a staggered mode. The beneficial effects do the spring part that resets can be for the vibration strip provides elastic potential energy, utilizes adjacently the difference of vibration strip focus produces axial dislocation and removes for building stones impurity can produce the relative action between the vibration strip, make things convenient for impurity can pass through fast the screening board. And according to the specific shape of the first screening plate and the second screening plate, the time that the stone can stay between the vibration strips can be increased, and the efficiency of stone screening can be greatly improved by matching with the vibration strips which move axially.

Description

Vibrating feeder

Technical Field

The invention relates to a vibrating feeder, and belongs to the field of mining machinery.

Background

The vibrating feeder is also called a bar feeder. The material can be continuously and uniformly fed to a crushing machine in a sandstone production line, and the material is roughly sieved, so that the material is widely applied to crushing and sieving combined equipment in industries such as metallurgy, coal mine, mineral separation, building materials, chemical engineering, grinding materials and the like.

Compared with the publication No. CN207671346U, the name is "a vibrating feeder with screening module", including spring bracket, vibrating frame, vibrator, motor shake frame and motor, vibrating feeder's discharge end is equipped with the screening module, the screening module includes large granule screening layer, well granule screening layer and fine particle screening layer, large granule screening layer, well granule screening layer and fine particle screening layer set gradually in vibrating feeder's discharge end from top to bottom. The purpose of uniform feeding is mainly realized, and the screening module plays a role of pre-screening, so that part of materials meeting the particle requirement are separated in advance, and the workload of next equipment is reduced; meanwhile, part of fine particle materials containing mud are separated, so that the quality of finished ore products is improved; the processing capacity is improved by 30 percent, and the screening efficiency can reach 80 percent. But the device has no structure of specific large particle screening layer, medium particle screening layer and fine particle screening layer; the large particle screening layer, the medium particle screening layer and the fine particle screening layer are arranged in parallel, stone has larger inertia in the process of layer surface conveying, and some magazines are easy to be output from the device under the condition of not being screened, so that the screening efficiency is influenced.

Disclosure of Invention

In order to overcome the problems in the prior art, the invention provides the vibrating feeder which can solve the problem that the screening efficiency of the device for stone impurities is low by utilizing a combined screening device, and the screening efficiency can be further improved by arranging the vibrating strips in the screening device.

The invention relates to a vibrating feeder, which comprises a frame; a sieve plate and a combined screening device are arranged in the frame; the combined screening device is at least provided with a layer of screening plate and is arranged below the screening plate; the vibrating strip is movably arranged in the screening plate; the vibrating bar comprises a solid section and a hollow section, and the solid sections and the hollow sections of two adjacent vibrating bars are arranged in a staggered mode. The screening plate can further screen the impurities screened by the screen plate; solid sections and hollow sections in the vibration strips are arranged in a staggered mode, and when the device vibrates, the gravity center positions of the adjacent vibration strips are different due to the staggered arrangement.

Furthermore, at least one end of the vibration strip is provided with a reset spring part, and the other end of the reset spring part is fixed in the screening plate. The spring part that resets can be for the vibration strip provides elastic potential energy, and it is adjacent to utilize the difference of vibration strip focus, produces axial dislocation and removes for building stones impurity can produce the relative action between the vibration strip, make things convenient for impurity can pass through fast the screening board.

Further, the screening board is internally provided with a mounting groove, two ends of the vibrating strip are provided with limiting rings, one end faces of the limiting rings are abutted to the inside of the mounting groove, the reset spring part is located in the mounting groove, and one end of the reset spring part is fixed to the screening board. Utilize the stop ring is right the distance of vibration strip axial displacement limits, prevents that the too big vibration power from resulting in the spring part that resets fracture, and makes the vibration strip breaks away from the screening board.

Furthermore, the combined screening device is provided with two layers of screening plates which are respectively a first screening plate and a second screening plate, wherein the first screening plate is positioned below the screening plate, and the second screening plate is positioned below the first screening plate; the first screening plate is parallel to the whole rack and has a positive included angle with the horizontal plane, and the second screening plate has a reverse included angle with the horizontal plane, and the values of the positive and reverse included angles are the same; the middle position of the first screening plate is concave downwards, and the middle position of the second screening plate is convex upwards. The screened stone firstly slides along the inclination angle of the first screening plate, then falls on the second screening plate and continues to slide along the inclination angle of the second screening plate; the time for the stones to slide on the first screening plate and the second screening plate is prolonged. Meanwhile, the middle position of the first screening plate is concave downwards; the middle position of the second screening plate is upwards convex; make the building stones when landing on the first screening board, can be towards the middle of the first screening board is assembled, building stones when landing on the second screening board, can be towards the both sides diffusion of second screening board improves the efficiency that the building stones were sieved.

Specifically, the method comprises the following steps: the first screening plate comprises a first mounting frame and two second mounting frames, and the joints of the second mounting frames and the first mounting frames are bent and are in a symmetrical state. The second screening plate comprises two first mounting frames and two second mounting frames, and the joint of the second mounting frames and the first mounting frames is bent; the joint between the second mounting frames is bent so that the first mounting frame and the second mounting frame are symmetrical about the joint.

Furthermore, the vibration strip sets up first installing frame the second installing frame first installing frame in the second installing frame, and be located in the second installing frame the vibration strip about first screening board axis is the symmetry form, is located in the first installing frame the vibration strip about second screening board axis is the symmetry form.

The vibrating bar can be arranged in the first mounting frame, the second mounting frame, the first mounting frame and the second mounting frame at any angle; but based on the maximization of the screening efficiency of the device, firstly setting the discharging direction of the device as the positive direction, arranging the vibration strips in the first installation frame along the positive direction, setting the vibration strips in the second installation frame at an angle of +45 degrees with the positive direction, setting the vibration strips in the first installation frame at an angle of-45 degrees with the positive direction, and setting the vibration strips in the second installation frame along the negative direction.

Furthermore, a driving device is arranged at the front end of the rack and connected with a vibrator, the vibrator is fixed at the lower end of the rack, and a damping elastic piece is arranged on the outer side of the rack. The driving device is a variable frequency vibration motor and a belt pulley mechanism; the vibrator adopts a heavy structure with double-shaft eccentricity and block eccentricity, and the amplitude and the projectile angle are adjustable; the damping elastic part adopts a composite spring for damping, and compared with a metal spring, the damping elastic part has the advantages of low noise, long service life, stable over-resonance moving area, small dynamic load of each pivot of the feeding machine and the like.

The invention has the beneficial effects that:

the spring part that resets can be for the vibration strip provides elastic potential energy, and it is adjacent to utilize the difference of vibration strip focus, produces axial dislocation and removes for building stones impurity can produce the relative action between the vibration strip, make things convenient for impurity can pass through fast the screening board. And according to the specific shape of the first screening plate and the second screening plate, the time that the stone can stay between the vibration strips can be increased, and the efficiency of stone screening can be greatly improved by matching with the vibration strips which move axially.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention

FIG. 3 is a cross-sectional view of the vibrating strip of the present invention;

FIG. 4 is a detail view of a first screen panel of the present invention;

FIG. 5 is a detail view of a second screen panel of the present invention;

FIG. 6 is a view of the vibrating strip of the present invention in combination with a first screen deck;

FIG. 7 is a view of the vibrating strip of the present invention in combination with a second screen deck;

FIG. 8 is a cross-sectional view of a mounting groove of the present invention.

Description of reference numerals:

1. a frame; 2. a drive device; 3. a vibrator; 4. a damping spring member; 5. a blanking plate; 6. a sieve plate; 7. a side plate; 8. a first screening plate; 801. a first mounting frame a; 802. a second mounting frame a; 9. a second screening plate; 901. a first mounting frame b; 902. a second mounting frame b; 10. mounting grooves; 11. a vibrating bar; 1101. a limiting ring; 1102. a solid section; 1103. a hollow section; 12. reset spring element.

Detailed Description

Example 1

A sieve plate 6 and a combined sieving device are arranged in the frame 1; the combined screening device is provided with two layers of screening plates and is positioned below the screening plate 6; a vibrating bar 11 is also arranged in the screening plate, and the vibrating bar 11 can axially move; and the vibrating bar 11 comprises a solid section 1102 and a hollow section 1103, and the solid sections 1102 and the hollow sections 1103 of two adjacent vibrating bars 11 are arranged alternately. A variable frequency motor in a driving device 3 arranged outside the rack 1 works, kinetic energy is transferred to a vibrator 2 through a belt pulley mechanism, and the vibrator 2 generates vibration force through double-shaft eccentric driving to drive the whole rack 1 to vibrate; put into the lower flitch 5 of slope with the building stones, the building stones is along lower flitch 5 landing in the 6 upper ends of sieve, and impurity can drop on the screening board from the gap between the sieve 6, then through the vibration of vibrting strip 11, according to the setting of solid section 1102 and hollow section 1103 for the building stones of device produce frictional effort between the vibrting strip 11, can improve the screening efficiency of device.

A sieve plate 6 and a combined sieving device are arranged in the frame 1; the combined screening device is provided with two layers of screening plates and is positioned below the screening plate 6; a vibrating bar 11 is also arranged in the screening plate, and the vibrating bar 11 can axially move; and the vibrating bar 11 comprises a solid section 1102 and a hollow section 1103, and the solid sections 1102 and the hollow sections 1103 of two adjacent vibrating bars 11 are arranged alternately. A variable frequency motor in a driving device 3 arranged outside the rack 1 works, kinetic energy is transferred to a vibrator 2 through a belt pulley mechanism, and the vibrator 2 generates vibration force through double-shaft eccentric driving to drive the whole rack 1 to vibrate; put into the lower flitch 5 of slope with the building stones, the building stones is along lower flitch 5 landing in the 6 upper ends of sieve, and impurity can drop on the screening board from the gap between the sieve 6, then through the vibration of vibrting strip 11, according to the setting of solid section 1102 and hollow section 1103 for the building stones of device produce frictional effort between the vibrting strip 11, can improve the screening efficiency of device. The two ends of the vibrating strip 11 are provided with a return spring part 12, and the other end of the return spring part 12 is fixed in the screening plate. Spring part 12 that resets can provide elastic potential energy for vibration strip 11, utilizes the difference of 11 centrobaries of adjacent vibration strip, produces the axial dislocation and removes for building stones impurity can produce the friction between vibration strip 11, makes things convenient for impurity can be fast through the screening board, improves the efficiency that the device sieved.

A sieve plate 6 and a combined sieving device are arranged in the frame 1; the combined screening device is provided with two layers of screening plates and is positioned below the screening plate 6; a vibrating bar 11 is also arranged in the screening plate, and the vibrating bar 11 can axially move; and the vibrating bar 11 comprises a solid section 1102 and a hollow section 1103, and the solid sections 1102 and the hollow sections 1103 of two adjacent vibrating bars 11 are arranged alternately. A variable frequency motor in a driving device 3 arranged outside the rack 1 works, kinetic energy is transferred to a vibrator 2 through a belt pulley mechanism, and the vibrator 2 generates vibration force through double-shaft eccentric driving to drive the whole rack 1 to vibrate; put into the lower flitch 5 of slope with the building stones, the building stones is along lower flitch 5 landing in the 6 upper ends of sieve, and impurity can drop on the screening board from the gap between the sieve 6, then through the vibration of vibrting strip 11, according to the setting of solid section 1102 and hollow section 1103 for the building stones of device produce frictional effort between the vibrting strip 11, can improve the screening efficiency of device. Two ends of the vibrating bar 11 are provided with limiting rings 1101, one end face of each limiting ring 1101 abuts against the inside of the mounting groove 10, the reset spring part 12 is also arranged in the mounting groove 10, and one end of each reset spring part is fixed on the screening plate. Utilize spacing ring 1101 to restrict the distance of vibrating strip 11 axial displacement, prevent that the too big spring part 12 that makes that resets of vibrating force from splitting to the condition that leads to vibrating strip 11 to break away from the screening board takes place.

A sieve plate 6 and a combined sieving device are arranged in the frame 1; the combined screening device is provided with two layers of screening plates and is positioned below the screening plate 6; a vibrating bar 11 is also arranged in the screening plate, and the vibrating bar 11 can axially move; and the vibrating bar 11 comprises a solid section 1102 and a hollow section 1103, and the solid sections 1102 and the hollow sections 1103 of two adjacent vibrating bars 11 are arranged alternately. A variable frequency motor in a driving device 3 arranged outside the rack 1 works, kinetic energy is transferred to a vibrator 2 through a belt pulley mechanism, and the vibrator 2 generates vibration force through double-shaft eccentric driving to drive the whole rack 1 to vibrate; put into the lower flitch 5 of slope with the building stones, the building stones is along lower flitch 5 landing in the 6 upper ends of sieve, and impurity can drop on the screening board from the gap between the sieve 6, then through the vibration of vibrting strip 11, according to the setting of solid section 1102 and hollow section 1103 for the building stones of device produce frictional effort between the vibrting strip 11, can improve the screening efficiency of device. The screening plates are arranged into two layers, namely a first screening plate 8 and a second screening plate 9, wherein the first screening plate 8 is positioned below the screening plate 6, and the second screening plate 9 is positioned below the first screening plate 8; the first screening plate 8 is integrally parallel to the frame 1 and has a positive included angle with the horizontal plane, and the second screening plate 9 has a negative included angle with the horizontal plane, and the positive and negative included angles have the same numerical value; the middle position of the first screening plate 8 is concave downwards, and the middle position of the second screening plate 9 is convex upwards. The screened stones firstly slide along the inclination angle of the first screening plate 8, then fall on the second screening plate 9 and continuously slide along the inclination angle of the second screening plate 9; the time for the stone to slide down on the first and

second sieving plates

8 and 9 is increased. Meanwhile, the middle position of the first screening plate 8 is concave downwards; the middle position of the second screening plate 9 is convex upwards; when the stones slide on the first screening plate 8, the stones can be collected towards the middle of the first screening plate 8, and when the stones slide on the second screening plate 9, the stones can be diffused towards two sides of the second screening plate 9, so that the stone screening efficiency is improved.

The first screening plate 8 includes a first mounting frame a801 and two second mounting frames a802, and a joint of the second mounting frame a802 and the first mounting frame a801 is bent and is symmetrical to the first mounting frame a 801. The second screening plate 9 includes two first mounting frames b901 and two second mounting frames b902, and the joint between the second mounting frame b902 and the first mounting frame b901 is bent; the joint between the second mounting frames b902 is bent, so that the first mounting frame b901 and the second mounting frame b902 are symmetrical about the joint. The vibrating bar 11 is arranged in a first installation frame a801, a second installation frame a802, a first installation frame b901 and a second installation frame b902, the vibrating bar 11 in the second installation frame a802 is symmetrical about the central axis of the first screening plate 8, and the vibrating bar 11 in the first installation frame b901 is symmetrical about the central axis of the second screening plate 9.

A sieve plate 6 and a combined sieving device are arranged in the frame 1; the combined screening device is provided with two layers of screening plates and is positioned below the screening plate 6; a vibrating bar 11 is also arranged in the screening plate, and the vibrating bar 11 can axially move; and the vibrating bar 11 comprises a solid section 1102 and a hollow section 1103, and the solid sections 1102 and the hollow sections 1103 of two adjacent vibrating bars 11 are arranged alternately. A variable frequency motor in a driving device 3 arranged outside the rack 1 works, kinetic energy is transferred to a vibrator 2 through a belt pulley mechanism, and the vibrator 2 generates vibration force through double-shaft eccentric driving to drive the whole rack 1 to vibrate; put into the lower flitch 5 of slope with the building stones, the building stones is along lower flitch 5 landing in the 6 upper ends of sieve, and impurity can drop on the screening board from the gap between the sieve 6, then through the vibration of vibrting strip 11, according to the setting of solid section 1102 and hollow section 1103 for the building stones of device produce frictional effort between the vibrting strip 11, can improve the screening efficiency of device. The vibration bar 11 can be installed in the first installation frame a801, the second installation frame a802, the first installation frame b901 and the second installation frame b902 at any angle; however, based on the maximization of the screening efficiency of the device, the discharging direction of the device is firstly set to be the positive direction, the vibration strips 11 in the first installation frame a801 are arranged along the positive direction, the angles between the vibration strips 11 in the second installation frame a802 and the positive direction are +45 degrees, the angles between the vibration strips 11 in the first installation frame b901 and the positive direction are-45 degrees, and the vibration strips 11 in the second installation frame b902 and the negative direction are arranged.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A vibrating feeder is characterized in that: it comprises a frame (1);

a sieve plate (6) and a combined sieving device are arranged in the frame (1);

the combined screening device is at least provided with a layer of screening plate and is arranged below the screening plate (6);

the vibrating strip (11), the said vibrating strip (11) is set up in the said screening plate movably;

the vibrating bar (11) comprises a solid section (1102) and a hollow section (1103), and the solid sections (1102) and the hollow sections (1103) of two adjacent vibrating bars (11) are arranged in a staggered mode.

2. A vibratory feeder according to claim 1, wherein: at least one end of the vibrating strip (11) is provided with a reset spring part (12), and the other end of the reset spring part (12) is fixed in the screening plate.

3. A vibratory feeder according to claim 2, wherein: the screening plate is internally provided with a mounting groove (10), two ends of the vibrating strip (11) are provided with limiting rings (1101), one end face of each limiting ring (1101) is abutted to the inside of the mounting groove (10), the reset spring part (12) is located in the mounting groove (10), and one end of the reset spring part is fixed to the screening plate.

4. A vibratory feeder according to claim 1, 2 or 3, wherein: the combined screening device is provided with two layers of screening plates, namely a first screening plate (8) and a second screening plate (9), wherein the first screening plate (8) is positioned below the screening plate (6), and the second screening plate (9) is positioned below the first screening plate (8); the first screening plate (8) is integrally parallel to the rack (1) and has a positive included angle with the horizontal plane, and the second screening plate (9) has a reverse included angle with the horizontal plane, and the values of the positive and reverse included angles are the same; the middle position of the first screening plate (8) is concave downwards, and the middle position of the second screening plate (9) is convex upwards.

5. A vibratory feeder according to claim 4, wherein: the first screening plate (8) comprises a first mounting frame (a801) and two second mounting frames (a802), and the joint of the second mounting frames (a802) and the first mounting frame (a801) is bent and is in a symmetrical state relative to the first mounting frame (a 801).

6. A vibratory feeder according to claim 4, wherein: the second screening plate (9) comprises two first mounting frames (b901) and two second mounting frames (b902), and the joint of the second mounting frame (b902) and the first mounting frame (b901) is bent; the joint between the second mounting frames (b902) is bent such that the two first mounting frames (b901) are symmetrical to each other about the joint and the two second mounting frames (b902) are symmetrical to each other about the joint.

7. A vibratory feeder according to claim 5, wherein: the second screening plate (9) comprises two first mounting frames (b901) and two second mounting frames (b902), and the joint of the second mounting frame (b902) and the first mounting frame (b901) is bent; the joint between the second mounting frames (b902) is bent so that the first mounting frame (b901) and the second mounting frame (b902) are symmetrical about the joint.

8. A vibratory feeder according to claim 6, wherein: the vibrating bar (11) is arranged in the first mounting frame (a801), the second mounting frame (a802), the first mounting frame (b901) and the second mounting frame (b902), the vibrating bar (11) in the second mounting frame (a802) is symmetrical about the central axis of the first screening plate (8), and the vibrating bar (11) in the first mounting frame (b901) is symmetrical about the central axis of the second screening plate (9).

9. A vibratory feeder according to claim 7, wherein: the vibrating bar (11) is arranged in the first mounting frame (a801), the second mounting frame (a802), the first mounting frame (b901) and the second mounting frame (b902), the vibrating bar (11) in the second mounting frame (a802) is symmetrical about the central axis of the first screening plate (8), and the vibrating bar (11) in the first mounting frame (b901) is symmetrical about the central axis of the second screening plate (9).

10. A vibratory feeder according to claim 1, wherein: the damping machine is characterized in that a driving device (2) is arranged at the front end of the rack (1), the driving device (2) is connected with a vibrator (3), the vibrator (3) is fixed at the lower end of the rack (1), and a damping elastic piece (4) is arranged on the outer side of the rack (1).