CN210906923U

CN210906923U - Novel high-efficient meticulous screening machine

Info

Publication number: CN210906923U
Application number: CN201921931454.5U
Authority: CN
Inventors: 杨小兵
Original assignee: Henan Deshengyuan Machinery Co ltd
Current assignee: Henan Deshengyuan Machinery Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-03
Anticipated expiration: 2029-11-11

Abstract

The utility model relates to a novel high-efficiency fine screening machine, which comprises a machine body; the machine body is provided with a hopper for containing materials, a distributing device for dispersing the materials and a sieve box for screening the materials; a detachable screen is arranged in the screen box; the sieve box is provided with a first discharge hole for releasing unfiltered materials and a second discharge hole for releasing filtered materials; a vibrating device for vibrating the screen is arranged on the screen box; the vibration device comprises a damper arranged on the side wall of the screen box, a vibration shaft arranged on the damper and an excitation source arranged at one end of the vibration shaft; the vibrating shaft is provided with a force arm of which the end part is contacted with the screen. The utility model has the advantages of reasonable design, adopt detachable screen cloth and direct vibration screen cloth's vibrating device to combine, only carry out incessant vibration to the screen cloth, reduced the impact of organism vibration to building foundation, throw the material of shutoff sieve mesh, improve the screening efficiency of screen cloth, reduce the change frequency to the screen cloth, reduce equipment cost.

Description

Novel high-efficient meticulous screening machine

Technical Field

The utility model relates to a screening installation field is adapted to the high-efficient meticulous screening of the tiny material of each trade, especially a novel high-efficient meticulous screening machine.

Background

The vibrating screen is a device for screening materials, when the materials are screened, the materials on the screen surface move to the discharge port at a certain speed, and the materials smaller than the aperture of the screen surface fall to the lower layer through the screen to form undersize materials, so that the screening process of the materials is completed. Chinese patent document No. CN206334849U discloses a high-efficient fine screening machine, and in this scheme the sieve shell sets up along feed inlet to discharge gate direction downward sloping, be provided with three eccentric rocker arm mechanism between sieve shell and the bank of screens, eccentric rocker arm mechanism includes the eccentric connecting rod that the level set up, the upper portion of eccentric connecting rod is fixed with axle i, the lower part of eccentric connecting rod is fixed with axle ii, the axis of axle i and the axis of axle ii are not on a straight line, the upper end and the sieve shell of axle i rotate to be connected, the lower extreme and the eccentric rocker arm support of axle ii rotate to be connected, eccentric rocker arm support is fixed on the bank of screens, the axle ii synchronous rotation of three eccentric rocker arm mechanism. The technical problems that a traditional swing screen is small in horizontal reciprocating amplitude and small in vibrating force, screen cloth is blocked and screening efficiency is low are solved, the defect that equipment is high in maintenance cost due to the fact that a wear-resisting disc is prone to damage is overcome, production efficiency is improved, and labor intensity of workers is reduced. However, when the existing screening device is used for screening and vibrating, the whole screening device vibrates integrally, the requirement on a building foundation is high, the screen is blocked easily by materials, and the screening efficiency of the screen is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel high-efficient meticulous screening machine for solve current screening device and strike big, screen cloth plugged hole, the low scheduling problem of screening efficiency to basic building.

In order to solve the problems, the utility model provides a novel high-efficiency fine screening machine, which comprises a machine body; the machine body is provided with a hopper for containing materials, a distributing device for dispersing the materials and a sieve box for screening the materials; a detachable screen is arranged in the screen box; the sieve box is provided with a first discharge hole for releasing unfiltered materials and a second discharge hole for releasing filtered materials; a vibrating device for vibrating the screen is arranged on the screen box; the vibration device comprises a damper arranged on the side wall of the screen box, a vibration shaft arranged on the damper and an excitation source arranged at one end of the vibration shaft; the vibrating shaft is provided with a force arm of which the end part is contacted with the screen.

The utility model provides a novel high-efficient meticulous screening machine still has following technical characteristic:

furthermore, a valve for regulating the flow of the material entering the distributing device is arranged on the hopper; the valve comprises a baffle and a handle for adjusting the inclination angle of the baffle.

Furthermore, a gate capable of controlling the material discharging height is arranged on the distributing device.

Furthermore, two ends of the screen are provided with clamping hooks; a tensioning device for tensioning the screen is arranged in the screen box; the tensioning device comprises a convex edge matched with the clamping hook, a hook plate for tensioning the clamping hook, a lead screw for adjusting the position of the hook plate, and a positioning block matched and fixed with the lead screw through a bolt.

Furthermore, a material blocking mechanism for slowing down the flowing speed of the material is arranged on the screen box.

Further, the stock stop comprises a blocking curtain for blocking materials, a bracket for fixing the blocking curtain and a slide way capable of positioning the bracket.

Furthermore, an angle adjusting device for adjusting the inclination angle of the sieve box is arranged on the machine body

Further, the angle adjusting device comprises a fixed seat fixed on the machine body, a rack expansion piece hinged on the fixed seat, and a rack with one end hinged on the screen box

Furthermore, sealing strips are arranged on two side edges of the screen mesh, which are in contact with the side wall of the screen box.

The utility model discloses following beneficial effect has: the utility model has reasonable structure design and simple structure, improves the replacement efficiency of the screen and reduces the replacement difficulty by designing the detachable screen; the vibrating device which is arranged on the material box and directly vibrates the screen only vibrates the screen, so that the impact of the vibration of the machine body on a building foundation is reduced, and the requirement on the bearing of a building is lowered; the interrupted resonance of the excitation source can throw out the material clamped in the sieve mesh, so that the hole blockage is avoided, and the material stop mechanism and the angle adjusting device are arranged, so that the material adopts the optimal sliding speed to improve the screening efficiency of the sieve box.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a front view of the structure of the embodiment of the present invention;

fig. 3 is a schematic structural section view of an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a vibration device according to an embodiment of the present invention;

in the figure: 1-body, 2-hopper, 21-valve, 211-baffle, 212-handle, 3-distributor, 31-gate, 4-sieve box, 41-screen, 411-trip, 42-first discharge port, 43-vibration device, 431-vibration shaft, 4311-force arm, 432-shock absorber, 433-excitation source, 44-material stop mechanism, 441-curtain, 442-bracket, 443-slideway, 45-second discharge port, 5-angle adjusting device, 51-fixing seat, 52-rack expansion device, 53-rack, 6-tensioning device, 61-convex edge, 62-hook plate, 63-lead screw and 64-positioning block.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In one embodiment of the novel efficient fine screening machine of the present invention as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the novel efficient fine screening machine comprises a machine body 1; the machine body 1 is provided with a hopper 2 for containing materials, a distributing device 3 for dispersing the materials and a sieve box 4 for screening the materials; a detachable screen 41 is arranged in the screen box 4; the sieve box 4 is provided with a first discharge hole 42 for releasing unfiltered materials and a second discharge hole 45 for releasing filtered materials; the screen box 4 is provided with a vibrating device 43 for vibrating the screen 41; the vibration device 43 includes a damper 432 provided on a side wall of the screen box 4, a vibration shaft 431 mounted on the damper 432, and an excitation source 433 provided at one end of the vibration shaft 431; the vibration shaft 431 is provided with a force arm 4311 with an end contacting the screen 41. Through the detachable screen cloth of screening built-in design, screen cloth and vibration source linear contact, vibration source and organism non-rigid connection to the vibration impact of support body reduces the requirement to the building foundation when reducing the vibration, reduces construction cost.

Specifically, a valve 21 for adjusting the flow of the material entering the distributing device 3 is arranged on the hopper 2; the valve 21 includes a shutter 211, and a handle 212 for adjusting an inclination angle of the shutter 211. Through rotating handle control hopper feeding volume, can effectual adjustment material screening speed, avoid the material to get into to cause the material to pile up on the screen cloth at the excessive speed, reduce screening efficiency.

Particularly, the distributor 3 is provided with a gate 31 capable of controlling the material discharging height. According to the particle size regulation gate height of material, reach suitable material height, pave the material, enlarge the material and the contact surface of screen cloth, effectual usable floor area, the screening efficiency who improves the screen cloth.

Specifically, two ends of the screen 41 are provided with hooks 411; a tensioning device 6 for tensioning the screen 41 is arranged in the screen box 4; the tensioning device 6 comprises a convex edge 61 matched with the hook 411, a hook plate 62 for tensioning the hook 411, a lead screw 63 for adjusting the position of the hook plate 62, and a positioning block 64 fixed with the lead screw 63 in a bolt matching manner. The screen cloth that has the trip through the design, can draw the fastening and fix in the sieve incasement, the dismantlement of both having made things convenient for the screen cloth is changed, also makes screen cloth and organism separation, reduces vibrating screen and strikes the organism.

Specifically, the screen box 4 is provided with a material blocking mechanism 44 for slowing down the material flow speed. The design stock stop slows down the sliding speed of material on the sifter, increases the contact frequency of material and screen cloth, improves the screening efficiency of screen cloth.

Specifically, the striker mechanism 44 includes a curtain 441 to block the material, a bracket 442 to which the curtain 441 is fixed, and a chute 443 in which the bracket 442 is positionable. The check curtain blocks the material and slows down the sliding speed, and the support of bolt fastening on the slide can be according to the inclination of material particle diameter adjustment check curtain to the degree of contact of adjustment check curtain and screen cloth reaches the efficiency that can slow down the material and pass through and also does not carry out complete separation to the material.

Specifically, the machine body 1 is provided with an angle adjusting device 5 for adjusting the inclination angle of the sieve box 4. Through setting up angle adjusting device, adjustment sieve case inclination reaches the slip plastics of adjustment material to the screening efficiency of material is adjusted according to suitable material particle diameter.

Specifically, the angle adjusting device 5 includes a fixed base 51 fixed on the machine body 1, a rack expansion device 52 hinged on the fixed base 51, and a rack 53 with one end hinged on the screen box 4.

Specifically, the screen 41 is provided with sealing strips on both side edges contacting the side walls of the screen box 4. The sealing performance of the sieve layer is guaranteed by designing the screen sealing strip, leakage of materials from gaps is avoided, and the screening effect is reduced.

The working principle is as follows: before use, a user adjusts the angle adjusting device 5 according to the particle size of the material to be screened, sets the sliding speed of the material on the screen, and adjusts the deflection angle of the bracket 442, so that the contact between the retaining curtain 441 and the screen 41 can slow down the sliding speed of the material and ensure that the material can smoothly slide into the first discharge hole 42; the valve 21 is adjusted to enter the proper flow of the distributor 3 according to the particle size of the material, the height of the gate 31 is adjusted to flatten the material entering the sieve box 4, and the material accumulation is avoided; when the material screening machine is used, the equipment is started to pour materials into the hopper 2, after the materials enter the screen box 4, the vibration source 433 drives the vibration shaft 431 to vibrate, so that the power arm 4311 is driven to squeeze and contact the vibration screen 41, the screen 41 ensures that the materials blocked by the blocking curtain 441 are smoothly conveyed under vibration, the materials are sufficiently vibrated and screened, and the filtered materials are discharged out of the screen box 4 through the second discharge hole 45; the vibration frequency of the excitation sources 433 is adjusted to generate discontinuous resonance to act on the screen 41, so that the problem of hole blockage of the screen is solved by throwing out materials clamped in the screen holes, the screening rate of the screen 41 is improved, and the screening efficiency of the equipment is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a novel high-efficient meticulous screening machine which characterized in that: comprises a machine body (1); the machine body (1) is provided with a hopper (2) for containing materials, a distributing device (3) for dispersing the materials and a sieve box (4) for screening the materials; a detachable screen (41) is arranged in the screen box (4); a first discharge hole (42) for releasing unfiltered materials and a second discharge hole (45) for releasing filtered materials are formed in the sieve box (4); a vibrating device (43) for vibrating the screen (41) is arranged on the screen box (4); the vibration device (43) comprises a damper (432) arranged on the side wall of the screen box (4), a vibration shaft (431) arranged on the damper (432), and an excitation source (433) arranged at one end of the vibration shaft (431); the vibration shaft (431) is provided with a force arm (4311) the end part of which is contacted with the screen (41).

2. The novel efficient fine screening machine according to claim 1, characterized in that: a valve (21) for adjusting the flow of the materials entering the distributing device (3) is arranged on the hopper (2); the valve (21) comprises a baffle (211) and a handle (212) for adjusting the inclination angle of the baffle (211).

3. The novel efficient fine screening machine according to claim 1, characterized in that: and a gate (31) capable of controlling the material discharging height is arranged on the distributing device (3).

4. The novel efficient fine screening machine according to claim 1, characterized in that: two ends of the screen (41) are provided with clamping hooks (411); a tensioning device (6) for tensioning the screen (41) is arranged in the screen box (4); the tensioning device (6) comprises a convex edge (61) matched with the hook (411), a hook plate (62) for tensioning the hook (411), a lead screw (63) for adjusting the position of the hook plate (62), and a positioning block (64) fixed by the lead screw (63) in a bolt fit mode.

5. The novel efficient fine screening machine according to claim 1, characterized in that: and a material blocking mechanism (44) for slowing down the flowing speed of the material is arranged on the screen box (4).

6. The novel efficient fine screening machine according to claim 5, characterized in that: the material blocking mechanism (44) comprises a blocking curtain (441) for blocking materials, a bracket (442) for fixing the blocking curtain (441), and a slide way (443) capable of positioning the bracket (442).

7. The novel efficient fine screening machine according to claim 1, characterized in that: the machine body (1) is provided with an angle adjusting device (5) for adjusting the inclination angle of the screen box (4).

8. The novel efficient fine screening machine according to claim 7, characterized in that: the angle adjusting device (5) comprises a fixed seat (51) fixed on the machine body (1), a rack expansion piece (52) hinged on the fixed seat (51), and a rack (53) with one end hinged on the screen box (4).

9. The novel efficient fine screening machine according to claim 1, characterized in that: and sealing strips are arranged on two side edges of the screen (41) which are contacted with the side wall of the screen box (4).