CN113441388A

CN113441388A - Stepless vibration device

Info

Publication number: CN113441388A
Application number: CN202110751212.3A
Authority: CN
Inventors: 牛长忠; 姜凤祥
Original assignee: Yingkou Niuniu Mining Machinery Equipment Co ltd
Current assignee: Yingkou Niuniu Mining Machinery Equipment Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-09-28
Anticipated expiration: 2041-07-01
Also published as: CN113441388B

Abstract

The invention provides a stepless vibration device which comprises a material box, a vibrator, a fixed base and springs, wherein the interior of the material box is a hollow cavity, a feeding port is formed in the top of the material box, a plurality of discharging ports are formed in one side of the material box along the vertical direction, the material box is arranged above the fixed base, the material box and the fixed base are connected together through a plurality of uniformly distributed and vertically arranged springs, the vibrator is installed at the bottom of the material box, and the vibrator is in transmission connection with a motor through a conveying belt so as to drive the material box to vibrate. According to the invention, a screen is not needed, the vibration generated by the vibrator is utilized and matched with the spring to realize the 'bumping' similar to a dustpan, and finally, the material is graded and winnowed out.

Description

Stepless vibration device

Technical Field

The invention relates to a stepless vibration device, and belongs to the technical field of engineering instruments.

Background

The vibrating screen is equipment for screening and grading materials by utilizing complex rotation type vibration generated by vibration excitation of the vibrator. The vibrating screen is generally used for screening and grading in mining and construction waste recovery, and grading is mainly realized according to the geometric dimension of materials so as to achieve the purpose of sorting the materials with different purposes.

The existing vibrating screen is usually matched with a screen mesh for use when screening materials, when the existing vibrating screen faces to multi-stage screening of the materials, multiple layers of screen meshes are required to be screened layer by layer, and each layer of screen mesh is required to be provided with a special material collecting system. Due to the fact that the screen belongs to a vulnerable part, the screen needs to be replaced periodically along with the screening work, otherwise the screening quality is affected. In addition, since the screen is usually disposed in a closed storage bin, the maintenance and replacement of the screen in such an environment may cause great difficulty to the maintenance personnel.

Disclosure of Invention

In view of the above disadvantages, the present invention provides a stepless vibration device, which does not need to use a screen, and realizes "jolt" similar to a dustpan by using the vibration generated by a vibrator and matching with a spring, and grading the material.

The invention is implemented by the following technical scheme: stepless vibrating device, including workbin, vibrator, unable adjustment base and spring, wherein, the inside of workbin is hollow cavity, has the pan feeding mouth at the top of workbin, is provided with a plurality of discharge gates along vertical direction in one side of workbin, and the workbin is arranged in and is linked together through a plurality of even spring coupling who arranges and vertical setting between unable adjustment base's top and workbin and the unable adjustment base, the vibrator is installed the bottom of workbin, the vibrator passes through the conveyer belt and is connected with the motor drive and takes place the vibration with the drive workbin.

Preferably, the vibrator comprises a frame, a rotating shaft and a turning plate, wherein the frame is hollow and square, the rotating shaft and the turning plate are fixedly connected to form an eccentric shaft, the eccentric shaft is transversely and horizontally fixed on the frame through shaft sleeves arranged at two ends of the rotating shaft, and the turning plate on the rotating shaft falls into the hollow of the frame. The rotation of the turning plate can not touch the bottom of the material box and the fixed base, and the rotation of the turning plate provides source power for the vibrator.

Preferably, two vibrators are respectively arranged at two ends of the bottom of the bin, the two vibrators share one motor or the two vibrators are respectively driven by two motors. The eccentric shafts of the two vibrators are designed to rotate in the same direction, and in order to enable the whole feed box to form a dustpan-like 'bump', the positions of the turning plates on the two rotating shafts have an angle difference.

Preferably, a plurality of through holes are formed in the turning plate, and detachable balancing weights are installed in the through holes. During operation, according to the weight condition of vibration needs and screening material, the board is turned over and the dismantled balancing weight of installation different quantity, and the quantity that can dismantle the balancing weight installation is big more, and the range of vibrator vibration is big more.

Preferably, a transition section is arranged between the box body and the feeding port of the feed box, and one side of the transition section, which is adjacent to the discharging port, is provided with an inclined plane, so that the situation that materials move vertically in the shaking process can be effectively avoided.

Preferably, the feeding port is far away from the discharging port and is arranged obliquely above the material box, so that the materials can participate in bumping similar to a dustpan in the falling process, and the grading and winnowing efficiency of the materials can be improved.

Preferably, the number of the discharge ports is N, N is more than or equal to 2, the number of the discharge ports can be designed according to the requirement of material screening, and when the materials need to be screened out of a plurality of particle size ranges, the number of the discharge ports can be increased.

Preferably, the outlet is provided with a baffle plate in an inserted connection mode, the size of the outlet can be adjusted by adjusting the position of the baffle plate, and then the amount of materials screened out by the corresponding outlet can be adjusted.

Preferably, the bottom of workbin is provided with a plurality of column protruding, or be provided with a plurality of column protruding on the unable adjustment base, or the bottom of workbin and unable adjustment base correspond and are provided with a plurality of column protruding, vertical setting spring cartridge in on the column protruding, or through welded mounting between workbin and unable adjustment base. The columnar bulge is assembled with the spring for use, so that the material box and the fixed base are flexibly connected in a shaking state, and the connection stability of the material box and the fixed base cannot be influenced by shaking.

The invention has the beneficial effects that: the invention has the advantages of rapid screening, high efficiency, good effect, simple structure of the whole machine, low cost, convenient maintenance, stable operation and the like.

The invention is suitable for screening various materials, in particular to screening of ores. Under the condition of low precision requirement, the ore can be screened into different particle size ranges, and the parts required correspondingly can be screened out while the different particle size ranges are screened, so that the next step of the process can be conveniently carried out.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention.

Fig. 2 is a schematic diagram of an explosive structure according to a first embodiment of the present invention.

Fig. 3 is a schematic view showing the structure of the vibrator of the present invention.

In the figure: 1. a material box; 2. a vibrator; 2-1, a rotating shaft; 2-2, a frame; 2-3, turning over a plate; 2-4, through holes; 3. a fixed base; 4. a spring; 5. a motor; 6. a conveyor belt; 7. a discharge port; 7-1, a first discharge hole; 7-2, discharging a second material outlet; 7-3, and a discharge hole III; 8. a columnar bulge; 9. a feeding port; 10. a bevel.

Detailed Description

Example one

A stepless vibratory device for screening ore, as shown in fig. 1 and 2, comprises a bin 1, a vibrator 2, a fixed base 3 and a spring 4.

The inside of the material box 1 is a hollow cavity, the top of the material box 1 is provided with a feeding port 9, and one side of the material box 1 is provided with three discharge ports 7 along the vertical direction, namely a discharge port I7-1, a discharge port II 7-2 and a discharge port III 7-3. A transition section is arranged between the box body of the feed box 1 and the feeding port 9, and one side of the transition section, which is adjacent to the discharging port 7, is provided with an inclined plane 10. The feeding port 9 is far away from the discharging port 7 and is arranged above the material box 1. A baffle plate for insertion connection is arranged at the discharge port 7

The top of unable adjustment base 3 is arranged in to workbin 1, has a plurality of even springs 4 of arranging and vertical setting between workbin 1 and unable adjustment base 3, and the upper end cartridge of spring 4 is on the columnar protrusion 8 that the bottom of workbin 1 set up, and the lower extreme of spring 4 passes through welding and unable adjustment base 3 fixed connection.

The vibrator 2 is arranged at the bottom of the material box 1, and the vibrator 2 is in transmission connection with a motor 5 through a conveyor belt 6 so as to drive the material box 1 to vibrate. Continuing with fig. 1 and 2, the stepless vibration device adopts two vibrators 2 arranged at two ends of the bottom of the material box 1, and the two vibrators 2 share one motor 5 for driving connection.

As shown in fig. 3, the vibrator 2 includes a frame 2-2, a rotating shaft 2-1, and a turning plate 2-3, wherein the frame 2-2 is hollow and square, the rotating shaft 2-1 and the turning plate 2-3 are fixedly connected to form an eccentric shaft, the eccentric shaft is horizontally fixed on the frame 2-2 through shaft sleeves arranged at two ends of the rotating shaft 2-1, and the turning plate 2-3 on the rotating shaft 2-1 falls into the hollow of the frame 2-2. The turning plate 2-3 is provided with a plurality of through holes 2-4, and detachable balancing weights are arranged in the through holes 2-4.

A screening principle; through designing the vibration amplitude of the vibrator 2, the vibration generated by the vibrator is matched with a spring to realize the 'bumping' similar to a dustpan, and the ores are graded and winnowed, wherein the ore grain size range sieved from the first discharge port 7-1 is A, the ore grain size range sieved from the second discharge port 7-2 is B, and the ore grain size range sieved from the third discharge port 7-3 is C, the size of the outlet can be controlled by adjusting the position of the baffle plate while the ore grain size is sieved, so that the ore fraction sieved from the first discharge port 7-1 is 20 parts, the ore fraction sieved from the second discharge port 7-2 is 30 parts, the ore fraction sieved from the third discharge port 7-3 is 40 parts, the ores sieved out in the corresponding grain size range and the corresponding fraction can directly enter the next process step, and the two steps of sieving grain size and weighing are combined into a whole.

Example two

A stepless vibration device is used for screening grains and comprises a bin 1, a vibrator 2, a fixed base 3 and a spring 4.

The inside of workbin 1 is hollow cavity, has pan feeding mouth 9 at the top of workbin 1, is provided with five discharge gates 7 along vertical direction in one side of workbin 1. A transition section is arranged between the box body of the feed box 1 and the feeding port 9, and one side of the transition section, which is adjacent to the discharging port 7, is provided with an inclined plane 10. A baffle plate for insertion connection is arranged at the discharge port 7

The top of unable adjustment base 3 is arranged in to workbin 1, has a plurality of even springs 4 of arranging and vertical setting between workbin 1 and the unable adjustment base 3, and on the lower extreme cartridge of spring 4 set up the columnar protrusion 8 on unable adjustment base 3, the upper end of spring 4 is through welding and workbin 1 fixed connection.

The vibrator 2 is arranged at the bottom of the material box 1, and the vibrator 2 is in transmission connection with a motor 5 through a conveyor belt 6 so as to drive the material box 1 to vibrate. The stepless vibration device adopts a vibrator 2 which is arranged at one end of the bottom of the material box 1.

The vibrator 2 comprises a frame 2-2, a rotating shaft 2-1 and turning plates 2-3, wherein the frame 2-2 is hollow and square, the rotating shaft 2-1 and the turning plates 2-3 are fixedly connected to form an eccentric shaft, the eccentric shaft is transversely and horizontally fixed on the frame 2-2 through shaft sleeves arranged at two ends of the rotating shaft 2-1, and the turning plates 2-3 on the rotating shaft 2-1 fall into the hollow of the frame 2-2. The turning plate 2-3 is provided with a plurality of through holes 2-4, and detachable balancing weights are arranged in the through holes 2-4.

The screening principle is the same as above, and is not described in detail herein.

Claims

1. The stepless vibration device is characterized in that: including workbin (1), vibrator (2), unable adjustment base (3) and spring (4), wherein, the inside of workbin (1) is hollow cavity, has pan feeding mouth (9) at the top of workbin (1), is provided with a plurality of discharge gates (7) along vertical direction in one side of workbin (1), and top and workbin (1) and unable adjustment base (3) of unable adjustment base (3) are arranged in workbin (1) and link together through a plurality of even spring (4) of arranging and vertical setting between workbin (1) and unable adjustment base (3), install vibrator (2) the bottom of workbin (1), vibrator (2) are connected through conveyer belt (6) and motor (5) transmission and take place the vibration with drive workbin (1).

2. The stepless vibration device of claim 1, wherein: the vibrator (2) comprises a frame (2-2), a rotating shaft (2-1) and a turning plate (2-3), wherein the frame (2-2) is hollow and square, the rotating shaft (2-1) and the turning plate (2-3) are fixedly connected to form an eccentric shaft, the eccentric shaft is transversely and horizontally fixed on the frame (2-2) through shaft sleeves arranged at two ends of the rotating shaft (2-1), and the turning plate (2-3) on the rotating shaft (2-1) falls into the hollow of the frame (2-2).

3. The stepless vibration device as set forth in claim 1 or 2, characterized in that: two vibrators (2) are respectively arranged at two ends of the bottom of a material box (1), and the two vibrators (2) share one motor (5) or the two vibrators (2) are respectively driven by the two motors (5).

4. The stepless vibration device of claim 2, wherein: a plurality of through holes (2-4) are formed in the turning plate (2-3), and detachable balancing weights are installed in the through holes (2-4).

5. The stepless vibration device of claim 1, wherein: a transition section is arranged between the box body of the material box (1) and the feeding port (9), and an inclined plane (10) is arranged on one side of the transition section, which is adjacent to the discharging port (7).

6. The stepless vibration device of claim 1 or 5, characterized in that: the feeding port (9) is far away from the discharging port (7) and is arranged above the material box (1) in an inclined mode.

7. The stepless vibration device of claim 1, wherein: the number of the discharge ports (7) is N, and N is more than or equal to 2.

8. The stepless vibration device of claim 1, wherein: and the discharge hole (7) is provided with a baffle plate which is inserted.

9. The stepless vibration device of claim 1, wherein: the bottom of workbin (1) is provided with a plurality of column arch (8), perhaps be provided with a plurality of column arch (8) on unable adjustment base (3), perhaps the bottom of workbin (1) reaches unable adjustment base (3) correspond and are provided with a plurality of column arch (8), spring (4) cartridge of vertical setting in on column arch (8), perhaps through welded mounting between workbin (1) and unable adjustment base (3).