CN216441103U

CN216441103U - Density difference sorting device stable in driving

Info

Publication number: CN216441103U
Application number: CN202122964226.1U
Authority: CN
Inventors: 蔡鹏�; 杨振棋; 秦双迎
Original assignee: Fujian South Highway Machinery Co Ltd
Current assignee: Fujian South Highway Machinery Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-06
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of recycling of construction waste of pavement engineering, in particular to a density difference selection device with stable driving, which is characterized in that: the vibrating screen comprises a screen support, a vibrating screen body mechanism and a driving mechanism, wherein the driving mechanism is arranged on the screen support and used for driving vibration of the vibrating screen body mechanism, the driving mechanism comprises a driving assembly and a crank connecting rod mechanism, the driving assembly is in transmission connection with the vibrating screen body mechanism through the crank connecting rod mechanism, the driving mechanism further comprises a lower swing arm, the crank connecting rod mechanism is connected with a balancing mechanism through the lower swing arm, and the lower swing arm and the crank connecting rod mechanism are symmetrically arranged and enable the balancing mechanism and the vibrating screen body mechanism to move in the opposite direction. The utility model has novel, practical and reliable integral structure, effectively protects the driving mechanism through interaction force, and can prevent the driving mechanism from displacement, deformation or damage caused by overhigh excitation frequency, thereby effectively ensuring the long-time stable operation of the sorting device and greatly reducing the later equipment maintenance cost.

Description

Density difference sorting device stable in driving

Technical Field

The utility model relates to the technical field of recycling of construction waste of pavement engineering, in particular to a density difference selection device with stable driving.

Background

With the nearly accelerated construction of national facilities, the quantity of construction waste is rapidly increased, and while people enjoy the construction civilization, the demand for building materials is continuously increased in the process of the urbanization development of China at present, the state also has a policy of reducing the collection of building raw materials, so that the price of the building materials is continuously increased, and the exploitation of the building material resources is increasingly difficult, the current resource utilization of the building garbage is mainly sorted by crushing and screening, however, the separation effect is not ideal, the mismatching rate of light materials, heavy materials and fine materials is high, and effective separation of materials with different granularities and different densities, the same granularity and different densities and the same granularity and density is difficult to realize, so that the mismatching content in the recycled aggregate is high, subsequent resource utilization is not thorough or can not be effectively utilized, and the economic value and the market effect of the recycled aggregate are seriously influenced.

To solve this problem, a specific gravity separator is provided in utility model patent publication No. CN 210675968U. The utility model provides a specific gravity sorting machine, which comprises a frame, a hopper, a vibrating distributor, a vibrating screen, an air inlet device, a wind power flow stabilizing plate and a driving device, wherein the hopper is arranged on the frame and comprises a feed inlet and a discharge outlet; the vibrating distributor is arranged on the frame and positioned above the feed inlet of the hopper; the vibrating screen is arranged on the frame and connected with the discharge hole of the hopper; the air inlet device is arranged on the frame and comprises an air inlet hopper connected with the vibrating screen and a variable frequency fan connected with the air inlet hopper; the wind power flow stabilizing plate is arranged between the vibrating screen and the air inlet hopper and comprises a plate body and a plurality of air homogenizing holes uniformly distributed on the plate body; the driving device is arranged on the frame and connected with and drives the vibrating screen to vibrate. However, the specific gravity sorting machine has the following defects: its drive arrangement includes second motor and crank link mechanism, and the second motor drives the vibration of shale shaker through crank link mechanism, however, because this drive arrangement is last not to set up balance mechanism, unable fine balance comes from the reaction force of shale shaker to drive arrangement, from this one, when the shale shaker moves at higher excitation frequency, lead to drive arrangement displacement easily, deformation or damage to can cause certain influence to the long-time steady operation of this sorter, also can increase the later maintenance cost simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a density difference selection device which has a novel, practical and reliable overall structure, effectively protects a driving mechanism through interaction force, and can prevent the driving mechanism from displacement, deformation or damage caused by overhigh excitation frequency, thereby effectively ensuring the long-time stable operation of the selection device and greatly reducing the maintenance cost of later equipment.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a stable density difference of drive selects device, including the screen (ing) machine support, shale shaker body mechanism and actuating mechanism, shale shaker body mechanism installs on the screen (ing) machine support through a plurality of shock absorbers, actuating mechanism locates on the screen (ing) machine support and is used for the vibration of drive shale shaker body mechanism, actuating mechanism includes drive assembly and crank link mechanism, drive assembly passes through crank link mechanism and is connected with shale shaker body mechanism transmission, actuating mechanism still includes swing arm down, crank link mechanism is connected with balance mechanism through swing arm down, swing arm and crank link mechanism symmetrical setting down make balance mechanism and shale shaker body mechanism become opposite direction motion.

Further, the balance mechanism comprises a balance plate and a balance block, the balance plate is fixedly arranged on the lower swing arm, and the balance block is at least one and is arranged at one end, far away from the crank connecting rod mechanism, of the balance plate.

Further, a screen discharging hopper is arranged below the vibrating screen body mechanism, a balance mechanism is arranged on one side of the screen discharging hopper, and a gap is formed between the balance mechanism and the screen discharging hopper.

Furthermore, a vibration damping mechanism is arranged between the balance mechanism and the support of the screening machine, and the vibration damping mechanism is used for assisting in supporting and positioning the balance mechanism.

Further, the vibration reduction mechanism comprises a vibration reduction block, a square shaft sleeve, a fixed shaft and a fastening piece, the vibration reduction block is fixedly arranged at one end of the fixed shaft, the other end of the fixed shaft is fixedly arranged in the square shaft sleeve, the square shaft sleeve is fixedly arranged on the support of the screening machine through the fastening piece, and the vibration reduction block is connected with the balance mechanism.

Furthermore, the vibration reduction block is made of rubber materials.

Further, the crank link mechanism includes the swing arm, the axis of rotation, a bearing, eccentric shaft sleeve, bearing frame and area seat bearing, the axis of rotation is rotatable through the area seat bearing to be installed on the sieve machine support, install eccentric shaft sleeve in the axis of rotation, the bearing frame is rotatable through the bearing to be installed on the eccentric shaft sleeve, the one end and the bearing frame fixed connection of going up the swing arm, the other end and the connecting block of going up the swing arm are articulated mutually, connecting block fixed connection is in shale shaker body mechanism, the one end of lower swing arm also with bearing frame fixed connection, lower swing arm and last swing arm symmetrical setting.

Furthermore, the eccentric shaft sleeve is detachably arranged on the rotating shaft.

Furthermore, actuating mechanism includes driving motor and drive assembly, and driving motor fixed mounting is on the sieve machine support, and driving motor passes through drive assembly and is connected with the axis of rotation transmission.

Further, the transmission assembly comprises a driving belt wheel, a driven belt wheel and a transmission belt, the driving belt wheel is fixedly mounted on a motor shaft of the driving motor, the driven belt wheel is fixedly mounted on the rotating shaft, and the driving belt wheel is in transmission connection with the driven belt wheel through the transmission belt.

From the above description, the density difference sorting device with stable driving provided by the utility model has a novel, practical and reliable overall structure, and through the arrangement of the lower swing arm and the balance mechanism, as the balance mechanism and the vibrating screen body mechanism move in opposite directions, namely the balance mechanism and the vibrating screen body mechanism adopt the same vibration frequency and vibration mode and opposite vibration directions, through the interaction force, the driving mechanism is effectively protected, and the driving mechanism displacement, deformation or damage caused by overhigh vibration excitation frequency can be prevented, so that the long-time stable operation of the sorting device is effectively ensured, and the later equipment maintenance cost is greatly reduced; through the setting of damping mechanism to cooperate with lower swing arm, can play fine support positioning action to balance mechanism, further ensure balance mechanism's stable setting, simultaneously, damping mechanism can play better damping effect, avoids balance mechanism to cause great impact to the screen frame support when the vibration.

Drawings

Fig. 1 is a schematic structural diagram of a density difference sorting device with stable driving according to the present invention.

Fig. 2 is a schematic structural view of the driving mechanism and the damping mechanism when they are connected.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure: 1-a sieve support; 2-vibrating the screen body mechanism; 3-a drive mechanism; 31-a drive assembly; 311-a drive motor; 312-a transmission assembly; 3121-a drive pulley; 3122-a driven pulley; 3123-a drive belt; 32-crank linkage; 321-an upper swing arm; 322-a rotating shaft; 323-bearings; 324-eccentric sleeve; 325-bearing seat; 326-a seated bearing; 33-lower swing arm; 4-a shock absorber; 5-a balancing mechanism; 51-a balance plate; 52-a weight; 6-screening a discharge hopper; 7-clearance; 8-a vibration reduction mechanism; 81-vibration damping block; 82-square shaft sleeve; 83-fixed shaft; 9-connecting block.

Detailed Description

The utility model is further described below by means of specific embodiments.

As shown in fig. 1 to 4, the density differential sorting device with stable driving according to the present invention comprises a screen support 1, a vibrating screen body mechanism 2 and a driving mechanism 3, the vibrating screen body mechanism 2 is arranged on the screen machine support 1 through a plurality of vibration dampers 4, the driving mechanism 3 is arranged on the screen machine support 1 and is used for driving the vibrating screen body mechanism 2 to vibrate, the driving mechanism 3 comprises a driving component 31 and a crank connecting rod mechanism 32, the driving component 31 is in transmission connection with the vibrating screen body mechanism 2 through the crank connecting rod mechanism 32, the driving mechanism 3 further comprises a lower swing arm 33, the crank connecting rod mechanism 32 is connected with the balance mechanism 5 through the lower swing arm 33, the lower swing arm 33 is arranged symmetrically to the crank-link mechanism 32 and makes the balance mechanism 5 and the vibrating screen body mechanism 2 move in opposite directions.

Through lower swing arm 33 reaches balance mechanism 5's setting, because balance mechanism 5 with shale shaker body mechanism 2 becomes opposite direction motion, promptly balance mechanism 5 with shale shaker body mechanism 2 adopts same vibration frequency and vibration mode and opposite vibration direction, through the interaction force, the effectual protection actuating mechanism 3 can prevent because of the too high and bring of excitation frequency actuating mechanism 3 displacement, deformation or damage effectively ensures this sorting unit's long-time steady operation from this, greatly reduced later equipment maintenance cost.

As shown in fig. 2, specifically, the balance mechanism 5 includes a balance plate 51 and a balance weight 52, the balance plate 51 is fixedly mounted on the lower swing arm 33, the balance weight 52 is at least one and is mounted on an end of the balance plate 51 away from the crank link mechanism 32, and preferably, the number of the balance weights 52 is 1 to 5, so that the number of the balance weights 52 can be conveniently adjusted to better balance the acting force on the driving device when the vibrating screen body mechanism 2 vibrates.

As shown in fig. 1, in addition, a screen hopper 6 is arranged below the vibrating screen body mechanism 2, the balance mechanism 5 is arranged on one side of the screen hopper 6, so that the whole structure of the sorting device is more compact, in addition, a gap 7 is arranged between the balance mechanism 5 and the screen hopper 6, and the balance mechanism 5 and the screen hopper 6 can be well prevented from influencing each other when the sorting device works because the gap 7 is enough left between the balance mechanism 5 and the screen hopper 6.

As shown in fig. 1, 2 and 4, in addition, a vibration damping mechanism 8 is further disposed between the balance mechanism 5 and the sieve machine support 1, the vibration damping mechanism 8 is configured to assist in supporting and positioning the balance mechanism 5, and by the configuration of the vibration damping mechanism 8 and the cooperation with the lower swing arm 33, the vibration damping mechanism 8 can perform a good supporting and positioning function on the balance mechanism 5, so as to further ensure the stable configuration of the balance mechanism 5, and at the same time, the vibration damping mechanism 8 can perform a good vibration damping effect, so as to avoid the balance mechanism 5 from causing a large impact on the sieve machine support 1 during vibration, specifically, the vibration damping mechanism 8 includes a vibration damping block 81, a square shaft sleeve 82, a fixing shaft 83 and a fastening member, the vibration damping block 81 is fixed at one end of the fixing shaft 83, and the other end of the fixing shaft 83 is fixed in the square shaft sleeve 82, the square shaft sleeve 82 is fixedly installed on the screening machine support 1 through the fastening piece, and the vibration reduction block 81 is connected with the balance mechanism 5.

Preferably, the vibration damping block 81 is made of a rubber material, and has a good vibration damping effect.

As shown in fig. 2 and 3, in detail, the crank link mechanism 32 includes an upper swing arm 321, a rotation shaft 322, a bearing 323, an eccentric sleeve 324, a bearing seat 325 and a bearing with seat 326, the rotation shaft 322 is rotatably mounted on the sieving machine support 1 through the bearing with seat 326, the eccentric sleeve 324 is mounted on the rotation shaft 322, the bearing seat 325 is rotatably mounted on the eccentric sleeve 324 through the bearing 323, one end of the upper swing arm 321 is fixedly connected with the bearing seat 325, the other end of the upper swing arm 321 is hinged with a connecting block 9, the connecting block 9 is fixedly connected to the vibrating sieve body mechanism 2, one end of the lower swing arm 33 is also fixedly connected with the bearing seat 325, the lower swing arm 33 is symmetrically arranged with the upper swing arm 321, and by adopting this structure, the driving assembly 31 serves as a driving source, and drives the rotation shaft 322 to rotate, and generates vibration excitation through the eccentric sleeve 324 in the bearing 323 to play a role of a vibration exciter, so that the vibrating screen body mechanism 2 can be well driven to vibrate at a corresponding vibration excitation frequency.

In addition, the eccentric sleeve 324 is detachably mounted on the rotating shaft 322, so that the vibration amplitude can be adjusted by conveniently selecting the eccentric sleeve 324, i.e., replacing the eccentric sleeve 324 with different eccentric positions.

As shown in fig. 2, in particular, the driving mechanism 3 includes a driving motor 311 and a transmission assembly 312, the driving motor 311 is fixedly mounted on the sieve support 1, the driving motor 311 is in transmission connection with the rotating shaft 322 through the transmission assembly 312, in particular, the transmission assembly 312 includes a driving pulley 3121, a driven pulley 3122 and a transmission belt 3123, the driving pulley 3121 is fixedly mounted on a motor shaft of the driving motor 311, the driven pulley 3122 is fixedly mounted on the rotating shaft 322, and the driving pulley 3121 is in transmission connection with the driven pulley 3122 through the transmission belt 3123, so that the driving motor 311 can conveniently drive the rotating shaft 322 to stably rotate, preferably, the driving motor 311 is a horizontal motor.

The above description is only a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of the present invention.

Claims

1. The utility model provides a density difference that drive is stable selects device, includes screen frame support, shale shaker body mechanism and actuating mechanism, shale shaker body mechanism install through a plurality of shock absorbers on the screen frame support, actuating mechanism locates on the screen frame support and is used for driving the vibration of shale shaker body mechanism, actuating mechanism includes drive assembly and crank link mechanism, drive assembly through crank link mechanism with shale shaker body mechanism transmission is connected which characterized in that: the driving mechanism further comprises a lower swing arm, the crank connecting rod mechanism is connected with the balance mechanism through the lower swing arm, the lower swing arm and the crank connecting rod mechanism are symmetrically arranged, and the balance mechanism and the vibrating screen body mechanism move in opposite directions.

2. A density differential selection device with stable driving according to claim 1, wherein: the balance mechanism comprises a balance plate and a balance block, the balance plate is fixedly arranged on the lower swing arm, and the balance block is at least one and is arranged at one end, far away from the crank connecting rod mechanism, of the balance plate.

3. A density difference selection device with stable driving according to claim 1, wherein: the vibrating screen body mechanism is provided with a screen blanking hopper below, the balance mechanism is arranged on one side of the screen blanking hopper, and a gap is formed between the balance mechanism and the screen blanking hopper.

4. A density differential selection device with stable driving according to claim 1, wherein: and a vibration damping mechanism is further arranged between the balance mechanism and the sieve machine support and used for assisting in supporting and positioning the balance mechanism.

5. A density differential selection device with stable driving according to claim 4, wherein: the vibration reduction mechanism comprises a vibration reduction block, a square shaft sleeve, a fixing shaft and a fastening piece, the vibration reduction block is fixedly arranged at one end of the fixing shaft, the other end of the fixing shaft is fixedly arranged in the square shaft sleeve, the square shaft sleeve is fixedly arranged on the sieve machine support through the fastening piece, and the vibration reduction block is connected with the balance mechanism.

6. A density differential selection device with stable driving according to claim 5, wherein: the vibration reduction block is made of rubber materials.

7. A density differential selection device with stable driving according to claim 1, wherein: the crank link mechanism comprises an upper swing arm, a rotating shaft, a bearing, an eccentric shaft sleeve, a bearing seat and a bearing with a seat, wherein the rotating shaft is rotatably arranged on the sieve machine support through the bearing with the seat, the eccentric shaft sleeve is arranged on the rotating shaft, the bearing seat is rotatably arranged on the eccentric shaft sleeve through the bearing, one end of the upper swing arm is fixedly connected with the bearing seat, the other end of the upper swing arm is hinged with a connecting block, the connecting block is fixedly connected onto the vibrating screen body mechanism, one end of the lower swing arm is also fixedly connected with the bearing seat, and the lower swing arm and the upper swing arm are symmetrically arranged.

8. A density difference selection device with stable driving according to claim 7, wherein: the eccentric shaft sleeve is detachably arranged on the rotating shaft.

9. A density differential selection device with stable driving according to claim 7, wherein: the driving mechanism comprises a driving motor and a transmission assembly, the driving motor is fixedly mounted on the sieve machine support, and the driving motor is in transmission connection with the rotating shaft through the transmission assembly.

10. A density differential selection device with stable driving according to claim 9, wherein: the transmission assembly comprises a driving belt wheel, a driven belt wheel and a transmission belt, the driving belt wheel is fixedly mounted on a motor shaft of the driving motor, the driven belt wheel is fixedly mounted on the rotating shaft, and the driving belt wheel is in transmission connection with the driven belt wheel through the transmission belt.