CN111790600B

CN111790600B - Screening plant for cement production

Info

Publication number: CN111790600B
Application number: CN202010861380.3A
Authority: CN
Inventors: 海娇
Original assignee: Heyuan Jinjie Environmental Protection Building Material Co ltd
Current assignee: Heyuan Jinjie Environmental Protection Building Material Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2022-05-24
Anticipated expiration: 2040-08-25
Also published as: CN111790600A

Abstract

The invention relates to a screening device for cement production, which comprises a box body, a feed port arranged at the top end of the box body, a filter screen which is obliquely arranged in the box body and corresponds to the bottom end of the feed port, a telescopic device, a vibration device, a pushing device and a discharging device, wherein the front end of the box body is provided with a rotating motor, the output end of the rotating motor is connected with a driving gear through the telescopic device, and the telescopic device is used for driving the driving gear to reciprocate back and forth; drive telescoping device and driving gear through rotating motor work and rotate, under the initial condition, the driving gear rotates and can drive vibrations gear revolve and then make vibrations pivot, vibrations pole and vibrations piece rotate, vibrations piece and the laminating of filter screen bottom outer wall, and the material passes through the feed inlet and drops on the filter screen, when the great stone of volume imbeds in the filter screen, vibrations effect can be played to the vibrations piece, shakes the stone of embedding, avoids causing the problem of filter screen jam.

Description

Screening plant for cement production

Technical Field

The invention relates to the technical field of screening devices, in particular to a screening device for cement production.

Background

Need sieve its raw and other materials among the cement production process, can sieve out the great stone of volume and carry out process next step, and the less stone of volume can be used for cement production, generally reach the screening demand through at screening plant internally mounted tilting filter screen now, but lead to the screening process to receive the jam in the easy embedding filter screen of some great stones of volume in the screening process, and the great stone of volume is inconvenient takes out and separates, the staff need take the great stone of volume after the screening alone, operation process is comparatively time-consuming and energy-consuming, the work efficiency of device has been reduced.

Disclosure of Invention

The invention aims to solve the technical problem that the screening device for cement production is provided to solve the problem that the screening of large-size stones is required to be taken out by workers in the background art, and the large-size stones are easy to be embedded into a filter screen to cause blockage.

In order to solve the technical problems, the invention provides the following technical scheme: a screening device for cement production comprises a box body, a feed inlet arranged at the top end of the box body, a filter screen which is obliquely arranged in the box body and corresponds to the bottom end of the feed inlet, and further comprises a telescopic device, a vibration device, a pushing device and a discharging device, wherein a rotating motor is arranged at the front end of the box body, the output end of the rotating motor is connected with a driving gear through the telescopic device, the telescopic device is used for driving the driving gear to do reciprocating motion back and forth and is used for driving the vibration device and the pushing device to work respectively, and the discharging device is arranged on the outer wall of the pushing device;

The vibration device comprises a vibration gear, a vibration rotating shaft and a vibration rod, the vibration gear is arranged corresponding to the driving gear, the middle position of the vibration gear is fixedly connected to the vibration rotating shaft, one end of the vibration rotating shaft is connected to the inner wall of the front end of the box body through a bearing, the other end of the vibration rotating shaft is fixedly connected to the vibration rod, and the vibration rod is arranged at the bottom end of the filter screen;

the pushing device comprises a pushing gear, a screw rod, a movable sleeve, a fixed plate and a turnover plate, the pushing gear is arranged corresponding to the driving gear, the middle position of the pushing gear is fixedly connected to the screw rod, two ends of the screw rod are connected to the inner wall of the box body through bearings, the outer wall of the screw rod is in threaded connection with the movable sleeve, the top end of the movable sleeve is fixedly connected to the fixed plate, the top end of the fixed plate is rotatably connected to the turnover plate, and the turnover plate is arranged corresponding to the bottom end of the filter screen;

discharge apparatus includes electro-magnet, adsorption magnet, fixed block, movable rod, hinge bar, first sliding block, first sliding tray and fly leaf, the electro-magnet is installed in the box inner wall, adsorption magnet with the corresponding setting of electro-magnet, adsorption magnet fixed connection is in the one end of movable rod, the movable rod other end runs through in the fixed block and articulates in hinge bar one end, the hinge bar other end articulates in first sliding block, fixed block fixed connection is in the fly leaf outer wall, fly leaf fixed connection is in the fixed plate bottom, fly leaf sliding connection is in the box inner wall, inside first sliding tray was seted up in the returning face plate bottom, first sliding block sliding connection is inside in first sliding tray.

Preferably, the telescoping device includes fixed column, telescopic cylinder, flexible slider and flexible spout, it connects in the fixed column to rotate the motor output, flexible spout is seted up in the fixed column inner wall, inside, the other end fixed connection in the driving gear of fixed column is inserted to telescopic cylinder one end, telescopic slider fixed connection is in the fixed column outer wall, and telescopic slider can slide around inside doing of flexible spout, the inside drive arrangement who is used for driving telescopic cylinder and is flexible in the fixed column that is provided with of box.

Preferably, drive arrangement includes loop bar, threaded rod and screw hole, the loop bar cup joints in telescopic cylinder outer wall, the screw hole is seted up in box front end inner wall, one side that the loop bar is close to box front end inner wall is connected in the threaded rod through the bearing, the threaded rod is kept away from the one end of loop bar and is passed the screw hole and extend to the box outside.

Preferably, one end of the vibration rod, which is far away from the vibration rotating shaft, is fixedly connected to the vibration block, and the vibration block is made of rubber.

Preferably, the discharging device further comprises a telescopic spring, one end of the telescopic spring is connected to the adsorption magnet, and the other end of the telescopic spring is connected to the fixed block.

Preferably, the bottom end of the movable plate is fixedly connected with a material pushing plate, one end of the material pushing plate, which is close to the inner wall of the box body, is fixedly connected with a second sliding block, and the inner wall of the box body is provided with a second sliding groove for the second sliding block to move back and forth in a reciprocating manner.

Compared with the prior art, the invention has the following beneficial effects:

1. the screening device for cement production is provided with a rotating motor and a vibrating device, the telescopic device and a driving gear are driven to rotate through the work of the rotating motor, in an initial state, the driving gear rotates to drive a vibrating gear to rotate so as to drive a vibrating rotating shaft, a vibrating rod and a vibrating block to rotate, the vibrating block is attached to the outer wall of the bottom end of a filter screen, materials drop onto the filter screen through a feed port, and when large stones are embedded into the filter screen, the vibrating block can play a vibrating effect to vibrate the embedded stones, so that the problem of filter screen blockage is avoided;

2. the screening device for cement production is provided with a telescopic device, a driving device and a pushing device, the threaded rod drives a sleeve rod to gradually move backwards under the action of threads on the inner wall of a threaded hole by rotating the threaded rod, the telescopic device is extended, the driving gear is meshed with the pushing gear at the moment, the pushing device can be driven to work when the driving gear rotates, screened materials enter the turnover plate along the filter screen, and the fixed plate and the turnover plate repeatedly move forwards and backwards at the moment, so that screened stones with larger volumes can be transported;

3. This screening plant for cement manufacture is provided with discharge apparatus, when thrust unit transports the material to the box rear end, the electro-magnet is corresponding with adsorption magnet, and two magnetism are the same, because the opposite poles of magnet attract each other, the principle is repelled to like poles, the electro-magnet can drive adsorption magnet horizontal migration, and then make the expanding spring compression, and drive movable rod horizontal migration, the drive hinge bar rotates, thereby promote the returning face plate and rotate, push away the material on returning face plate surface down, whole operation of unloading does not need the manual work to go on, time saving and labor saving, the work efficiency of device has been promoted.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top sectional view of the present invention;

FIG. 4 is a schematic side sectional view of the telescopic cylinder of the present invention;

FIG. 5 is a schematic structural view of the turning plate of the present invention in a front view in a cross-sectional state;

fig. 6 is an enlarged schematic view of the structure at B in fig. 5 according to the present invention.

The reference numbers in the figures are: 1. a box body; 2. a feed inlet; 3. filtering with a screen; 411. rotating the motor; 412. fixing a column; 413. a telescopic cylinder; 414. a telescopic slide block; 415. a telescopic chute; 416. a loop bar; 417. a threaded rod; 418. a threaded hole; 419. a driving gear; 511. a vibration gear; 512. vibrating the rotating shaft; 513. a vibration rod; 514. a vibration block; 611. a push gear; 612. a screw rod; 613. a movable sleeve; 614. a fixing plate; 615. a turnover plate; 711. an electromagnet; 712. adsorbing a magnet; 713. a fixed block; 714. a tension spring; 715. a movable rod; 716. a hinged lever; 717. a first slider; 718. a first sliding groove; 719. a movable plate; 720. a material pushing plate; 721. a second slider; 722. a second sliding groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-6, a screening plant for cement manufacture, including box 1, set up in feed inlet 2 on box 1 top, the tilting is installed in box 1 inside and with the corresponding filter screen 3 in 2 bottoms of feed inlet, still include the telescoping device, vibrator, thrust unit and discharge apparatus, rotation motor 411 is installed to 1 front end of box, it is connected with driving gear 419 through the telescoping device to rotate motor 411 output, the telescoping device is used for driving gear 419 to do reciprocating motion from beginning to end, be used for driving to drive vibrator and thrust unit work respectively, discharge apparatus sets up in the thrust unit outer wall, through entering into filter screen 3 outer wall along feed inlet 2 with raw and other materials, the less stone of volume falls inside box 1 through filter screen 3, and the great stone of volume drops in the thrust unit along the 3 incline direction of filter screen.

As shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 4, the device is in an initial state, the vibration device comprises a vibration gear 511, a vibration rotating shaft 512 and a vibration rod 513, the vibration gear 511 is disposed corresponding to a driving gear 419, the middle position of the vibration gear 511 is fixedly connected to the vibration rotating shaft 512, one end of the vibration rotating shaft 512 is connected to the inner wall of the front end of the box body 1 through a bearing, the other end of the vibration rotating shaft is fixedly connected to the vibration rod 513, the vibration rod 513 is disposed at the bottom end of the filter screen 3, one end of the vibration rod 513 away from the vibration rotating shaft 512 is fixedly connected to a vibration block 514, the expansion device and the driving gear 419 are driven to rotate by the operation of the rotating motor 411, at this time, the driving gear 419 drives the vibration gear 511 to rotate, so that the vibration rotating shaft 512 and the vibration rod 513 rotate, and further drives the vibration block 514 to rotate, the vibration block 514 is made of rubber and has soft physical properties, when the vibration block 514 is rotatably attached to the outer wall of the bottom end of the filter screen 3, the vibration block 514 can be compressed, at the same time, the vibration block 514 drives the filter screen 3 to vibrate, and the vibration block 514 cannot be damaged, so that large stones can be vibrated down after the filter screen 3 vibrates, and the filter screen 3 is prevented from being blocked by the large stones.

As shown in fig. 3, 4 and 5, the telescopic device includes a fixed column 412, a telescopic cylinder 413, a telescopic sliding block 414 and a telescopic sliding chute 415, an output end of the rotating motor 411 is connected to the fixed column 412, the telescopic sliding chute 415 is opened on an inner wall of the fixed column 412, one end of the telescopic cylinder 413 is inserted into the fixed column 412, the other end of the telescopic cylinder 413 is fixedly connected to the driving gear 419, the telescopic sliding block 414 is fixedly connected to an outer wall of the fixed column 412, and the telescopic sliding block 414 can slide back and forth in the telescopic sliding chute 415, a driving device for driving the telescopic cylinder 413 to extend and retract in the fixed column 412 is arranged in the box 1, as shown in fig. 3, the driving device includes a sleeve rod 416, a threaded rod 417 and a threaded hole 418, the sleeve rod 416 is sleeved on the outer wall of the telescopic cylinder 413, the threaded hole 418 is opened on an inner wall of the front end of the box 1, one side of the sleeve rod 416 close to the inner wall of the front end of the box 1 is connected to the threaded rod 417 through a bearing, one end of the threaded rod 417 far away from the sleeve rod 418 passes through the threaded hole 418 and extends to the outside of the box 1, by rotating the threaded rod 417, the threaded rod 417 pushes the sleeve rod 416 to move backwards under the action of the threads on the inner wall of the threaded hole 418, at the moment, the sleeve rod 416 drives the telescopic cylinder 413 to slide inside the fixing column 412, so that the stretching effect is achieved, the telescopic cylinder 413 pushes the driving gear 419 to move backwards, the driving gear 419 is meshed with the pushing gear 611, and the pushing device can be driven to work by rotating the motor 411 in this way, so that the working cost is saved.

As shown in fig. 1, 2, 5 and 6, the pushing device includes a pushing gear 611, a lead screw 612, a movable sleeve 613, a fixing plate 614 and a turning plate 615, the pushing gear 611 is disposed corresponding to the driving gear 419, the middle position of the pushing gear 611 is fixedly connected to the lead screw 612, both ends of the lead screw 612 are connected to the inner wall of the box body 1 through bearings, the outer wall of the lead screw 612 is connected to the movable sleeve 613, the top end of the movable sleeve 613 is fixedly connected to the fixing plate 614, the top end of the fixing plate 614 is rotatably connected to the turning plate 615, the turning plate 615 is disposed corresponding to the bottom end of the filter screen 3, when the pushing gear 611 rotates, the lead screw 612 can be driven to rotate, and at this time, the movable sleeve 613, the fixing plate 614 and the turning plate 615 move backwards under the effect of threads, so as to push stones with larger volume, which is convenient for transportation.

As shown in fig. 1, 2, 5 and 6, the discharging device includes an electromagnet 711, an attracting magnet 712, a fixed block 713, a telescopic spring 714, a movable rod 715, a hinge rod 716, a first sliding block 717, a first sliding slot 718 and a movable plate 719, the electromagnet 711 is mounted on the inner wall of the box 1, the attracting magnet 712 and the electromagnet 711 are disposed in a corresponding manner, the attracting magnet 712 is fixedly connected to one end of the movable rod 715, the other end of the movable rod 715 is inserted into the fixed block 713 and hinged to one end of the hinge rod 716, one end of the telescopic spring 714 is connected to the attracting magnet 712, the other end of the hinge rod 716 is connected to the fixed block 713, the other end of the hinge rod 716 is hinged to the first sliding block 717, the fixed block 713 is fixedly connected to the outer wall of the movable plate 719, the movable plate 719 is fixedly connected to the bottom end of the fixed plate 614, the movable plate 719 is slidably connected to the inner wall of the box 1, the first sliding slot 718 is disposed inside the bottom end of the turning plate 615, the first sliding block 717 is slidably connected to the inside of the first sliding slot 718, when the pushing device moves to correspond to the electromagnet 711, the magnetism of the electromagnet 711 is the same as that of the attracting magnet 712, due to the principle that the attracting magnet 712 and the electromagnet 711 are opposite in polarity and opposite in polarity, the attracting magnet 712 is subjected to a magnetic repulsive force in a direction away from the electromagnet 711, so that the movable rod 715 is driven to horizontally slide along the inside of the fixed block 713, the telescopic spring 714 is compressed, the hinge rod 716 rotates, as shown in fig. 5 and 6, the first sliding block 717 is driven to slide in the first sliding groove 718, the turnover plate 615 is gradually turned upwards, and stones with large surface volumes of the turnover plate 615 are pushed to the rear end of the box 1.

As shown in fig. 1 and 5, a material pushing plate 720 is fixedly connected to the bottom end of the movable plate 719, a second sliding block 721 is fixedly connected to one end of the material pushing plate 720 close to the inner wall of the box 1, a second sliding groove 722 for the second sliding block 721 to reciprocate back and forth is formed in the inner wall of the box 1, by arranging the movable plate 719 and the second sliding groove 722, when large stones are unloaded and fall to the rear end of the box 1, the second sliding groove 722 can push the material flow, so that the stones are prevented from being accumulated at the rear end of the box 1 for a long time, the device can be used for multiple times, and the stability of the unloading device, the movable plate 719 and the material pushing plate 720 can be improved by arranging the second sliding block 721 and the second sliding groove 722.

The working principle is as follows: as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when it is needed, the raw material is poured into the box 1 through the feeding hole 2, and then the raw material falls to the top end of the filter screen 3, and then the rotating motor 411 is turned on to drive the expansion device and the driving gear 419 to rotate, and further drive the vibration gear 511, the vibration shaft 512, the vibration rod 513 and the vibration block 514 to rotate, and the vibration block 514 can touch the bottom end of the filter screen 3, so as to achieve the vibration effect, if there is a larger stone embedded into the filter screen 3, the larger stone can be vibrated down by the vibration device, so as to avoid the blocking phenomenon of the filter screen 3, the smaller stone falls into the box 1 through the filter screen 3, and the larger stone enters the pushing device by the inclined guiding of the filter screen 3, and then, as shown in fig. 3, the worker pushes the loop bar 416 to move backwards by rotating the threaded rod 417 inside the threaded hole 418, at this time, the telescopic cylinder 413 gradually makes an extending motion in the fixed column 412, the driving gear 419 is pushed to engage with the pushing gear 611, when the rotating motor 411 operates, the driving gear 419 drives the pushing gear 611 to rotate, and the lead screw 612 rotates, the movable sleeve 613, the fixed plate 614 and the turning plate 615 move backward under the action of the screw threads, at this time, the movable plate 719 drives the material pushing plate 720 to move backward under the action of the second sliding block 721 and the second sliding groove 722, when the electromagnet 711 corresponds to the attracting magnet 712, as shown in fig. 5-6, the electromagnet 711 gives a magnetic repulsive force to the attracting magnet 712, and pushes the attracting magnet 712 to move away from the electromagnet 711, thereby driving the movable rod 715 to move horizontally, the telescopic spring 714 compresses, the hinge rod 716 is driven to rotate, the first sliding block 717 slides in the first sliding groove 718, and the turning plate 615 turns upward, the stones on the outer wall of the turnover plate 615 are pushed down, so that the unloading is convenient for workers to unload, and the unloading device can automatically realize the unloading, is time-saving and labor-saving, and similarly, when the electromagnet 711 and the adsorption magnet 712 do not correspond to each other any longer, as shown in fig. 1-3, the adsorption magnet 712 moves towards one side close to the inner wall of the box body 1 under the elastic action of the telescopic spring 714, so that the unloading device is recovered to the initial state.

Claims

1. The utility model provides a screening plant for cement manufacture, includes box (1), sets up in feed inlet (2), the tilting on box (1) top and installs in box (1) inside and with corresponding filter screen (3) in feed inlet (2) bottom, its characterized in that: the box body is characterized by further comprising a telescopic device, a vibrating device, a pushing device and a discharging device, wherein a rotating motor (411) is installed at the front end of the box body (1), the output end of the rotating motor (411) is connected with a driving gear (419) through the telescopic device, the telescopic device is used for driving the driving gear (419) to do reciprocating motion back and forth and is used for driving the vibrating device and the pushing device to work respectively, and the discharging device is arranged on the outer wall of the pushing device;

the vibration device comprises a vibration gear (511), a vibration rotating shaft (512) and a vibration rod (513), the vibration gear (511) and the driving gear (419) are correspondingly arranged, the middle position of the vibration gear (511) is fixedly connected to the vibration rotating shaft (512), one end of the vibration rotating shaft (512) is connected to the inner wall of the front end of the box body (1) through a bearing, the other end of the vibration rotating shaft is fixedly connected to the vibration rod (513), and the vibration rod (513) is arranged at the bottom end of the filter screen (3);

the pushing device comprises a pushing gear (611), a screw rod (612), a movable sleeve (613), a fixing plate (614) and a turnover plate (615), the pushing gear (611) and the driving gear (419) are arranged correspondingly, the middle position of the pushing gear (611) is fixedly connected to the screw rod (612), two ends of the screw rod (612) are connected to the inner wall of the box body (1) through bearings, the outer wall of the screw rod (612) is in threaded connection with the movable sleeve (613), the top end of the movable sleeve (613) is fixedly connected to the fixing plate (614), the top end of the fixing plate (614) is rotatably connected to the turnover plate (615), and the turnover plate (615) is arranged correspondingly to the bottom end of the filter screen (3);

The discharging device comprises an electromagnet (711), an adsorption magnet (712), a fixed block (713), a movable rod (715), a hinged rod (716), a first sliding block (717), a first sliding groove (718) and a movable plate (719), wherein the electromagnet (711) is installed on the inner wall of the box body (1), the adsorption magnet (712) and the electromagnet (711) are arranged correspondingly, the adsorption magnet (712) is fixedly connected to one end of the movable rod (715), the other end of the movable rod (715) penetrates through the fixed block (713) and is hinged to one end of the hinged rod (716), the other end of the hinged rod (716) is hinged to the first sliding block (717), the fixed block (713) is fixedly connected to the outer wall of the movable plate (719), the movable plate (719) is fixedly connected to the bottom end of the fixed plate (614), and the movable plate (719) is slidably connected to the inner wall of the box body (1), the first sliding groove (718) is formed in the bottom end of the turnover plate (615), and the first sliding block (717) is connected to the inside of the first sliding groove (718) in a sliding mode;

the telescopic device comprises a fixed column (412), a telescopic cylinder (413), a telescopic sliding block (414) and a telescopic sliding groove (415), the output end of the rotating motor (411) is connected to the fixed column (412), the telescopic sliding groove (415) is formed in the inner wall of the fixed column (412), one end of the telescopic cylinder (413) is inserted into the fixed column (412), the other end of the telescopic cylinder is fixedly connected to a driving gear (419), the telescopic sliding block (414) is fixedly connected to the outer wall of the fixed column (412), the telescopic sliding block (414) can slide back and forth in the telescopic sliding groove (415), and a driving device for driving the telescopic cylinder (413) to stretch and retract in the fixed column (412) is arranged in the box body (1);

The driving device comprises a loop bar (416), a threaded rod (417) and a threaded hole (418), the loop bar (416) is sleeved on the outer wall of the telescopic cylinder (413), the threaded hole (418) is formed in the inner wall of the front end of the box body (1), one side, close to the inner wall of the front end of the box body (1), of the loop bar (416) is connected to the threaded rod (417) through a bearing, and one end, far away from the loop bar (416), of the threaded rod (417) penetrates through the threaded hole (418) and extends to the outside of the box body (1).

2. A screening apparatus for cement manufacture as defined in claim 1 wherein: the one end fixed connection that vibrations pivot (512) was kept away from to vibrations pole (513) is in vibrations piece (514), vibrations piece (514) material is rubber.

3. A screening apparatus for cement manufacture as defined in claim 1 wherein: the discharging device further comprises a telescopic spring (714), one end of the telescopic spring (714) is connected to the adsorption magnet (712), and the other end of the telescopic spring (714) is connected to the fixing block (713).

4. A screening apparatus for cement manufacture as defined in claim 1 wherein: the bottom end of the movable plate (719) is fixedly connected with a material pushing plate (720), one end, close to the inner wall of the box body (1), of the material pushing plate (720) is fixedly connected with a second sliding block (721), and the inner wall of the box body (1) is provided with a second sliding groove (722) for the second sliding block (721) to reciprocate back and forth.