CN117427875A - Heavy stone screening machine - Google Patents

Heavy stone screening machine Download PDF

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Publication number
CN117427875A
CN117427875A CN202311642335.9A CN202311642335A CN117427875A CN 117427875 A CN117427875 A CN 117427875A CN 202311642335 A CN202311642335 A CN 202311642335A CN 117427875 A CN117427875 A CN 117427875A
Authority
CN
China
Prior art keywords
screening
frame
rod
swinging
disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311642335.9A
Other languages
Chinese (zh)
Inventor
姜淑华
沙静静
孟庆猛
郭培利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Huakai Heavy Industry Machinery Co ltd
Original Assignee
Shandong Huakai Heavy Industry Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Huakai Heavy Industry Machinery Co ltd filed Critical Shandong Huakai Heavy Industry Machinery Co ltd
Priority to CN202311642335.9A priority Critical patent/CN117427875A/en
Publication of CN117427875A publication Critical patent/CN117427875A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention relates to the technical field of stone screening machines, and provides a heavy stone screening machine, which comprises a frame, a supporting frame and a driving supporting frame, wherein the frame comprises a screening supporting frame and a driving supporting frame; the screening device comprises a screening frame, a screen and a swinging mechanism, wherein the swinging mechanism comprises a plurality of hanging rods, the screening frame is arranged on a screening support frame in a swinging way through the hanging rods, and two ends of the hanging rods are respectively connected with the screening frame and the screening support frame in a rotating way; the driving device is arranged on the driving support frame and comprises a speed reducer, a rotation drive, a swinging rod and a rotating disc, wherein the rotation drive is connected with the speed reducer; the screening frame is driven by the driving device to perform reciprocating swinging motion. Compared with the existing device for vibration screening by using a vibration motor, the screening frame can swing in the horizontal direction and the vertical direction, the material moves in three dimensions on the screen, and the material is fully contacted with the screen, so that more effective screening is realized.

Description

Heavy stone screening machine
Technical Field
The invention relates to the technical field of stone screening machines, and provides a heavy stone screening machine.
Background
The stone sieving machine is one kind of stone sieving and sorting equipment and is used widely in mine, building material, chemical industry, cement and other industry. The heavy stone screening machine is a stone screening machine with larger processing capacity, stronger exciting force and higher screening efficiency, is generally used for screening larger and harder stones and is suitable for primary screening and separation of large stones. The existing stone screening machine generally drives a screening net to vibrate through a vibrating motor to realize screening, and the heavy stone screening machine is generally used for treating larger materials, so that the vibrating motor with large specification is required, the self weight, the weight of the materials and the friction force of the stone screening machine can be overcome by the vibrating force of the vibrating motor, the stone screening machine can generate enough amplitude and frequency, and the effective screening is realized. Otherwise, stable screening can not be guaranteed, and the specification of the stone screening machine is limited by the vibrating motor, so that the existing heavy stone screening machine is large in specification of a driving device, large in energy consumption and low in screening efficiency, and production efficiency is low.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a heavy stone screening machine so as to solve the problems of high energy consumption and low screening efficiency of the heavy stone screening machine and low production efficiency in the prior art.
One of the purposes of the invention is realized by adopting the following technical scheme: a heavy stone screening machine, comprising
The rack comprises a screening support frame and a driving support frame arranged at one side of the screening support frame;
the screening device comprises a screening frame, a screen and a swinging mechanism, wherein the swinging mechanism comprises a plurality of hanging rods, the screening frame is arranged on the screening support frame in a swinging way through the hanging rods, and two ends of the hanging rods are respectively connected with the screening frame and the screening support frame in a rotating way; and
the driving device is arranged on the driving support frame and comprises a speed reducer, a rotation drive, a swinging rod and a rotating disc, wherein the rotation drive is connected with the speed reducer; and
the screening frame is driven by the driving device to perform reciprocating swinging motion.
Further, the rotating disc vertically rotates to be arranged on the speed reducer, the swinging rod comprises a straight rod, a connecting shaft which is connected with the swinging rod in a rotating mode is arranged on the rotating disc, and a driving connecting seat which is connected with the other end of the swinging rod in a rotating mode is arranged on the screening frame.
Further, when the swing lever is in a vertically downward state, the connection shaft is positioned at the leftmost side or the rightmost side of the rotating disc.
Further, when the swing lever is in a vertically downward state, the connection shaft is located at the uppermost side or the lowermost side of the rotating disc.
Further, the rotating disc comprises a fixed disc, a movable disc and an adjusting bolt, the fixed disc is fixedly arranged on the rotating disc, a plurality of corresponding bolt holes are formed in the fixed disc and the movable plate, the fixed disc and the movable disc are fixedly connected through the fixing bolt, and the connecting shaft is arranged on the movable disc.
Further, the swinging rod comprises a first loop bar, a second loop bar and a limit bolt, the front end of the first loop bar is rotationally connected with the frame, the rear end of the second loop bar is rotationally matched with the connecting shaft, the rear end of the first loop bar is provided with an extending groove for the second loop bar to extend in, and a plurality of limit holes matched with the front end of the first loop bar and the front end of the second loop bar and for the limit bolt to extend in are formed in the rear end of the first loop bar.
Further, the swinging rod further comprises a first random device, the first random device comprises an elastic piece, the elastic piece is arranged at the front end of the second loop bar, the second loop bar comprises a second main rod and a second fixed block, the second fixed block is arranged at the front end of the second main rod, the elastic piece is arranged between the second fixed block and the second main rod, and the limiting hole is formed in the second fixed block.
Further, the device comprises a second random device, the second random device comprises a controllable telescopic rod, the controllable telescopic rod is arranged in the first loop bar, and the first loop bar is in butt fit with the elastic piece.
Further, the front end and the rear end of the screening support frame are provided with transverse rods higher than the screening frame, the upper ends of the hanging rods are rotatably arranged on the transverse rods, the lower ends of the hanging rods are rotatably connected with the swinging frame, and the swinging frame is provided with a rotary connecting frame.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the swinging mechanism to drive the screening frame to do reciprocating swinging motion, instead of adopting the vibrating motor to drive the screening net to vibrate, thereby reducing the influence of dead weight, material weight and friction force of the stone screening machine on screening, improving screening efficiency and stability, reducing energy consumption and noise, and prolonging the service life of the stone screening machine.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a rack in some embodiments of the invention;
FIG. 3 is a schematic diagram of a screening apparatus according to some embodiments of the present invention;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
FIG. 5 is a schematic diagram of a driving apparatus;
FIG. 6 is a schematic diagram of a swing arm according to some embodiments of the present invention;
FIG. 7 is a schematic diagram of a random apparatus according to some embodiments of the invention
FIG. 8 is a schematic diagram of a second structure of a random apparatus according to some embodiments of the invention
Fig. 9 is a schematic diagram of a rotor structure according to some embodiments of the invention.
In the figure:
a 100-part of the machine frame,
110-a screening support frame, wherein the screening support frame,
120-a driving support frame,
130-vertical rack, 131-first vertical rack, 1311-first rail, 132-second vertical rack, 1321-second rail, 133-third vertical rack,
140-connecting frames, 141-side support frames, 142-transverse support frames, 1421-clearance grooves,
a first rotating connecting frame, 151-a fixed plate, 152-a vertical plate, 153-a rotating shaft,
160-a second rotating connecting frame is arranged,
200-screening frames, 201-screens, 210-swinging mechanisms, 220-hanging rods, 230-rectangular pipes, 300-driving devices,
310-a speed reducer, which is provided with a gear,
320-a rotational drive, the rotational drive being provided,
330-swinging rod, 331-first sleeve rod, 3311-extending into groove, 332-second sleeve rod, 3321-second main rod, 3322-second fixed block, 3323-first protrusion, 333-limit bolt, 334-limit hole,
340-rotating disc, 341-fixed disc, 342-movable disc, 343-adjusting bolt, 344-connecting shaft, 345-driving connecting seat,
350-a conveyor belt, which is arranged to convey the material,
400-random device one, 410-elastic member,
500-randomizer two, 510-controllable telescopic rod, 520-buffer.
Detailed Description
The present invention will be further described with reference to fig. 1 to 9 and the detailed description, wherein, on the premise of no conflict, new embodiments can be formed by any combination of the embodiments or technical features described below.
As shown in fig. 1 to 9, in particular, the frame 100 includes a screening support 110 and a driving support 120 provided at one side of the screening support 110; the frame 100 comprises three vertical frames formed by mutually fixedly connecting steel pipes and a plurality of 140 connecting frames for connecting the vertical frames, wherein the three vertical frames are respectively a first vertical frame 131, a second vertical frame 132 and a third vertical frame 133 which are sequentially erected, the vertical frames are door-shaped steel pipe frames, steel plates for increasing supporting force can be additionally arranged according to requirements, the connecting frames are divided into a side support frame 141 for connecting the first vertical frame 131 and the second vertical frame 132 and a transverse support frame 142 for connecting the second vertical frame 132 and the third vertical frame 133, the first vertical frame 131, the second vertical frame 132 and the side support frame 141 form a screening support frame 110 with an empty middle part, the second vertical frame 132, the third vertical frame 133 and the transverse support frame 142 form a driving support frame 120 for fixing the driving device 300, transverse rods higher than the screening frame are arranged at the front end and the rear end of the screening support frame 110, particularly, a first transverse rod 1311 and a second transverse rod 1321 for connecting the screening device are arranged at the uppermost part of the first vertical frame 131 and the second vertical frame 132, a second transverse rod 1321 is arranged at the height of the first transverse rod 1311 and the second transverse rod 1321, and a screening device is arranged at the height of the second transverse rod 1321 and is convenient to be arranged below the first transverse rod 1311;
specifically, as shown in fig. 2 and 3, the screening apparatus includes a screening frame 200, a screen 201, and a swinging mechanism 210, as shown in fig. 2, in this embodiment, the screening frame 200 is a rectangular frame, the screen 201 is disposed in the screening frame 200, the swinging mechanism 210 includes a plurality of hanging rods 220, the hanging rods 220 are joint bearing connecting rods, that is, both ends of the straight rods are provided with joint bearings, the screening frame 200 is swingably disposed on the screening support 110 through the hanging rods 220, the upper ends of the hanging rods 220 are rotatably connected with the first cross rod 1311 and the second cross rod 1321, as shown in fig. 4, the positions, near the end portions, of the first cross rod 1311 and the second cross rod 1321, of the screening frame 200 are provided with a first rotary connecting frame 160, the first rotary connecting frame 150 and the second rotary connecting frame 160 are identical in structure, comprises a fixed plate 151, two vertical plates 152 and a rotating shaft 153 arranged between the vertical plates 152, wherein the rotating shaft 153 is in rotating fit with a joint bearing on a hanging rod 220, a rectangular pipe 230 extending along the width direction of the screening frame 200 is arranged below the rear end of the screening frame 200, the length of the rectangular pipe 230 is longer than the width of the screening frame 200, a rotating connecting frame II 160 is arranged on the upper side surface of two end parts of the rectangular pipe 230, the rotating connecting frame is connected with the lower end of the hanging rod 220, the upper end of the hanging rod 220 extends upwards to a second cross rod 1321, a corresponding rotating connecting frame I150 is arranged on the second cross rod 1321, a rotating connecting frame II 160 is arranged on the front side surface of the front end of the screening frame 200 close to the width edge, a rotating connecting frame I150 connected with the same hanging rod 220 is arranged on the first cross rod 1311, the first cross rod 1311 and the second cross rod 1321 are the same in height, therefore, the rear end of the screening frame 200 is higher than the front end of the screening frame 200, a certain included angle is formed between the screening frame 200 and the horizontal plane, the angle is generally 4-6 degrees, the screening frame 200 can swing at a certain angle by taking the upper end of the hanging rod 220 as the middle, and the swing is realized by the application of force of the driving device 300;
specifically, as shown in fig. 1 and fig. 5, the driving device 300 is disposed on the driving support frame 120, and includes a speed reducer 310, a rotation driving 320, a swinging rod 330 and a rotating disc 340, where the rotation driving 320 generally adopts a motor, in this embodiment, the transverse support frame 142 is disposed on an upper layer and a lower layer, the rotation driving 320 is disposed on the lower layer of transverse support frame 142, the upper layer of transverse support frame 142 is located at the same height as the screening frame 200, the speed reducer 310 is fixedly disposed on the upper layer of transverse support frame 142, the speed reducer 310 is in transmission connection with the rotation driving 320 through a conveyor belt 350, a clearance groove 1421 for the conveyor belt 350 to pass through is disposed on the upper layer of transverse support frame 142, the rotating disc 340 is disposed on the speed reducer 310, one end of the swinging rod 330 is connected with the rotating disc 340, the other end of the swinging rod 330 is connected with the screening frame 200, in this embodiment, the rotating disc 340 vertically rotates on the speed reducer 310, the swinging rod 330 generally includes a connecting rod, two ends of the swinging rod are provided with joint bearings, the rotating disc 340 is connected with the rotating shaft 330 at the other end of the rotating disc 330, and is connected with the rotating seat 330 at the position near the rotating seat 345. The rotation of the motor drives the rotation disc 340, and the rotation disc 340 drives the swing rod 330 to move back and forth, thereby pushing the screening frame 200 to move back and forth, and the screening frame 200 is driven by the driving device 300 to perform reciprocating swing motion. The screening frame 200 is limited by the hanging rod 220 in the process of moving forward and backward, so that the upper end of the hanging rod 220 is taken as a fulcrum to perform arc-shaped reciprocating swing motion, and materials on the screen 201 can move forward and upward along with the screening frame 200. Compared with the existing screening device, the screening work can be completed, but the existing screening device is influenced by the dead weight of the stone screening machine and the weight of materials, the stone screening machine with larger specification needs larger energy consumption, most of the weight of the screen 201 frame and the weight of the materials in the device are supported and provided by the screening support frame 110 and the hanging rod 220, the shaking driving force is the transverse force provided by the speed reducer 310, the driving force required by the swinging is far smaller than the driving force of the vibrating motion, so that the device has lower energy consumption than the existing screening device, meanwhile, the screening frame 200 moves in the up-down direction, the moving of the screening frame 200 is also carried out in the front-back direction, the moving of the materials is more active, and when the vibrating motor is used for driving, the screen 201 moves only in the up-down direction, and the moving direction of the materials is limited, so that the screening efficiency of the device is higher.
As a further description, during the swinging movement, the amplitude and frequency of the swinging will affect the movement range of the material on the screen 201, so as to affect the screening effect, and the device can control the swinging path of the screening frame 200 by controlling the position of the swinging rod 330, and when the swinging rod 330 is in the vertically downward state, the connecting shaft is located at the leftmost side or the rightmost side of the rotating disc 340. When the connecting shaft is positioned at the rightmost side of the rotating disc 340, the rotating disc 340 rotates clockwise, the screening frame 200 is pushed to move forward by a small distance under the action of inertia, the swinging rod 330 returns to the initial position when the connecting shaft moves to the leftmost side, the screening frame 200 moves to the leftmost side in an arc shape until the rotating shaft rotates to the leftmost side in the moving range, the screening frame 200 moves to a section of arc shape, the material moves to follow the screening frame 200 for a section of arc shape, the connecting shaft drives the swinging rod 330 to move backwards when the rotating disc 340 continues to rotate clockwise, the screening frame 200 moves backwards, the material below loses the support of the screening frame 200, the material returns to the initial position due to the action of inertia, the screening frame 200 moves forward by a certain distance upwards in an arc shape and contacts with the material falling down in part of the screen 201, the material still falls on the screen 201, and the screening frame 200 is pushed forward by the distance from the upper side to the left side of the rotating disc 201, and the distance is the screen 201 is in contact with the swinging frame 201 at the leftmost side after the rotating disc rotates;
in some other embodiments, the connection shaft is positioned at the uppermost side or the lowermost side of the rotating disk 340 when the swing lever 330 is positioned in a vertically downward state. When the connecting shaft is located at the lowest side of the rotating disc 340, the rotating disc 340 rotates clockwise, the pushing rod moves forward to the left and right of the radius of the rotating disc 340, the screening frame 200 is pushed to move forward rapidly and limited by the swinging rod 330, the materials move upwards synchronously, the screening frame 200 moves backward when the connecting shaft moves from the lowest side to the highest side, part of the materials are separated from the screen 201, the screening frame 200 moves upward backward when the connecting shaft moves from the highest side to the lowest side until the connecting shaft reaches the lowest side, the hanging rod 220 moves to the maximum backward swinging angle, at this time, part of the materials move backward and fall to the screen 201, in this embodiment, the rotating disc 340 rotates for a section, the screening frame 200 reaches the maximum height twice, namely, the materials have two opportunities to lift up and come into contact with the screen 201 again, but the forward moving distance of the screening frame 200 is shorter, and the embodiment is more suitable for screening smaller materials. In the invention, when the starting positions of the connecting shafts are different, the moving distance and the up-down frequency of the screening frame 200 are different, so that the screening frame can adapt to materials with different requirements.
As a further optimization, as shown in fig. 9, the rotating disc 340 includes a fixed disc 341, a movable disc 342 and a fixing member, the rotating disc 340 includes a fixed disc 341, a movable disc 342 and an adjusting bolt 343, the fixed disc 341 is fixedly arranged on the rotating disc 340, a plurality of corresponding bolt holes are formed on the fixed disc 341 and the movable disc 342, the fixed disc 341 and the movable disc 342 are fixedly connected through the fixing bolt, the connecting shaft is arranged on the movable disc 342, the movable disc 342 has a plurality of discs with different support sizes, the distances between the connecting shaft and the center of the circle are different on the different movable discs, and because the swinging distance of the screening frame 200 is controlled by the size of the movable range when the connecting shaft rotates, the size of the rotating disc 340 of the device can be changed according to the requirement, meanwhile, when the position of the connecting shaft is changed, the swinging rods 330 with different lengths are required, and a plurality of swinging rods 330 with different lengths can be prepared, and a telescopic swinging rod 330 can be prepared.
As a specific description of the swinging rod 330, as shown in fig. 6, the swinging rod 330 includes a first sleeve rod 331, a second sleeve rod 332, and a limiting bolt 333, the front end of the first sleeve rod 331 is provided with a joint sleeve and is rotationally connected with the screening frame 200, the rear end of the second sleeve rod 332 is provided with a joint sleeve and is rotationally matched with the connecting shaft, the rear end of the first sleeve rod 331 is provided with an extending groove 3311 into which the second sleeve rod 332 extends, the rear end of the first sleeve rod 331 and the front end of the second sleeve rod 332 are provided with a plurality of limiting holes 334 matched with each other and into which the limiting bolt 333 extends, and the limiting holes 334 extend in an array along the length direction of the first sleeve rod 331 and the second sleeve rod 332. When the length of the swing rod 330 needs to be adjusted, the limit bolt 333 can be removed first, then the second sleeve rod 332 is moved to a specified distance, and after the corresponding limit holes 334 on the first sleeve rod 331 and the second sleeve rod 332 are ensured, the limit bolt 333 is fixed through the limit holes 334.
As an optimization, as shown in fig. 7, in some embodiments, the swing rod 330 further includes a first random device 400, the first random device 400 includes an elastic member 410, the elastic member 410 is disposed at the front end of the second sleeve rod 332, the second sleeve rod 332 includes a second main rod 3321 and a second fixed block 3322, the second fixed block 3322 is disposed at the front end of the second main rod 3321, the elastic member 410 is disposed between the second fixed block 3322 and the second main rod 3321, a spring is generally selected as the elastic member 410, the limiting hole 334 is disposed on the second fixed block 3322, when in use, the second fixed block 3322 and a part of the second main rod 3321 extend into the extending groove 3311, the second fixed block 3322 is fixed in the first sleeve rod 331 through the limiting bolt 333, when the rotating disc 340 rotates, the connecting shaft drives the second main rod 3321 to move forward, the elastic member 410 is pressed forward during the forward movement of the second fixed block 3322, the elastic member 410 applies a force to the second fixed block 3322, and the first fixed block 3322 and the first sleeve rod 331 are pushed forward by the first fixed block 331, thereby the frame 200 is screened forward; when the second main rod 3321 retreats, the second main rod 3321 is provided with a first protrusion 3323 which is abutted with the end part of the slot extending into the hole, and the second protrusion drives the second sleeve 332 to retreat. In the process of swinging the screening frame 200, since the elastic member 410 is added as a buffer during the force transmission process, the reaction force given to the elastic member 410 by the screening frame 200 is different each time during the pushing and retracting processes, so that the pushing distance of the main rod two 3321 is different each time the screening frame 200 changes the advancing or retracting path, the swing amplitude of the screening frame 200 is changed slightly each time, the change increases randomness on the basis of ensuring the swing frequency and the swing amplitude of the screening frame 200, the material is irregular when the material is jumped up each time or is contacted with the screen 201, and the regular movement of the material, such as falling on the iron wire of the screen 201 each time, is avoided.
In some embodiments, as shown in fig. 8, the random apparatus 500 further includes a second random apparatus 500, where the second random apparatus 500 includes a controllable telescopic rod 510, the controllable telescopic rod 510 is disposed in the groove 3311 of the first sleeve rod 331, and the controllable telescopic rod 510 is in abutting fit with the elastic member 410. The controllable telescopic rod 510 is selected from various types, such as an electric cylinder telescopic rod and a hydraulic telescopic rod, a buffer piece 520 is arranged at the end part of the controllable telescopic rod 510, a spring is generally selected as the buffer piece 520, a square block is arranged on the spring, and the difference between the arrangement of the first random device 400 and the arrangement of the second random device is that the fixed block 3322 is not required to be fixed, but moves along with the movement of the second main rod 3321, the fixed block 3322 is matched with the square block in an abutting mode, when screening is carried out, the controllable telescopic rod 510 is continuously stretched and contracted in the sleeve rod 331, the length of the controllable telescopic rod 510 is different every time the second main rod 3321 is pushed forward, the position of the fixed block 3322 is different from the square block II, the length of the whole swing rod 330 is different every time, the swing distance and the swing amplitude of each screening frame 200 are different, and the randomness of the material moving on the screen 201 is increased.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (9)

1. A heavy stone screening machine, comprising
The rack comprises a screening support frame and a driving support frame arranged at one side of the screening support frame; and
the screening device comprises a screening frame, a screen and a swinging mechanism, wherein the screen is arranged in the screening frame, the swinging mechanism comprises a plurality of hanging rods, the screening frame is arranged on the screening support frame in a swinging mode through the hanging rods, and two ends of the hanging rods are respectively connected with the screening frame and the screening support frame in a rotating mode; and
the driving device is arranged on the driving support frame and comprises a speed reducer, a rotation drive, a swinging rod and a rotating disc, wherein the rotation drive is connected with the speed reducer;
the screening frame is driven by the driving device to perform reciprocating swinging motion.
2. The heavy stone screening machine according to claim 1, wherein the rotating disc is vertically rotatably arranged on the speed reducer, a connecting shaft rotatably connected with the swinging rod is arranged on the rotating disc, and a driving connecting seat rotatably connected with the other end of the swinging rod is arranged on the screening frame.
3. A heavy rock screening machine according to claim 2, characterized in that the connecting shaft is located at the leftmost or rightmost side of the turning disc when the swing lever is in a vertically downward position.
4. A heavy rock screening machine according to claim 2, characterized in that the connecting shaft is located at the uppermost or lowermost side of the rotating disc when the swing lever is in a vertically downward position.
5. The heavy stone screening machine according to claim 2, wherein the rotating disc comprises a fixed disc, a movable disc and an adjusting bolt, the fixed disc is fixedly arranged on the rotating disc, a plurality of corresponding bolt holes are formed in the fixed disc and the movable plate, the fixed disc and the movable disc are fixedly connected through the fixing bolt, and the connecting shaft is arranged on the movable disc.
6. The heavy stone screening machine according to claim 2, wherein the swing rod comprises a first sleeve rod, a second sleeve rod and a limiting bolt, the front end of the first sleeve rod is rotatably connected with the screening frame, the rear end of the second sleeve rod is rotatably matched with the connecting shaft, the rear end of the first sleeve rod is provided with an extending groove for the second sleeve rod to extend in, and the rear end of the first sleeve rod and the front end of the second sleeve rod are provided with a plurality of limiting holes which are matched with each other and are used for the limiting bolt to extend in.
7. The heavy stone screening machine according to claim 6, wherein the swing rod further comprises a first random device, the first random device comprises an elastic piece, the elastic piece is arranged at the front end of the second sleeve rod, the second sleeve rod comprises a second main rod and a second fixed block, the second fixed block is arranged at the front end of the second main rod, the elastic piece is arranged between the second fixed block and the second main rod, and the limiting hole is formed in the second fixed block.
8. The heavy rock screening machine of claim 7, further comprising a second randomizer comprising a controllable telescoping rod disposed within the first sleeve rod, the first sleeve rod being in abutting engagement with the resilient member.
9. The heavy stone screening machine according to claim 1, wherein transverse rods higher than the screening frame are arranged at the front end and the rear end of the screening support frame, a first rotary connecting frame in rotary fit with the hanging rod is arranged on the transverse rods, the lower end of the hanging rod is in rotary connection with the swinging frame, and a second rotary connecting frame is arranged on the swinging frame.
CN202311642335.9A 2023-12-04 2023-12-04 Heavy stone screening machine Pending CN117427875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311642335.9A CN117427875A (en) 2023-12-04 2023-12-04 Heavy stone screening machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311642335.9A CN117427875A (en) 2023-12-04 2023-12-04 Heavy stone screening machine

Publications (1)

Publication Number Publication Date
CN117427875A true CN117427875A (en) 2024-01-23

Family

ID=89555407

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311642335.9A Pending CN117427875A (en) 2023-12-04 2023-12-04 Heavy stone screening machine

Country Status (1)

Country Link
CN (1) CN117427875A (en)

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