CN211678699U

CN211678699U - Vibrating screen convenient to change screen cloth

Info

Publication number: CN211678699U
Application number: CN201922363613.2U
Authority: CN
Inventors: 唐鹏; 张吉臣; 杨涛; 赵爽; 杜双杰
Original assignee: Qingdao Kanglishang Concrete Engineering Co ltd
Current assignee: Qingdao Kanglishang Concrete Engineering Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-16
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a vibrating screen convenient for replacing screen cloth, which relates to the field of vibrating screens and has the technical scheme that the vibrating screen comprises a screen box, wherein the screen box is open, and the screen box is provided with a discharge port; the screen is detachably connected with the screen box; positioning rods are fixedly connected to two side walls of the screen box, storage plates are fixedly connected to two side walls of the screen box, the support frame is located between the positioning rods and the storage plates, a storage groove is formed in the top of one storage plate, a rack and a gear are arranged in the storage groove, the rack is fixedly connected with the support frame, the support frame slides along the length direction of the rack, the gear is rotatably connected with the storage plates, and a driving assembly for driving the gear to rotate is arranged on the screen box; one end of the supporting frame is fixedly connected with two bearing rods; the utility model solves the problem that the screen mesh of the existing vibrating screen is inconvenient to replace after being worn; the screen is convenient to replace by arranging the gear, the rack, the mounting assembly and the dismounting assembly.

Description

Vibrating screen convenient to change screen cloth

Technical Field

The utility model relates to a field of shale shaker, more specifically the theory that says so, it relates to a shale shaker convenient to change screen cloth.

Background

The vibrating screen is a filtering mechanical separating device for slurry solid phase treatment and consists of a screen and a vibrator.

Concrete aggregate refers to a granular loose material that plays a role of a skeleton or filling in concrete. The aggregate is divided into coarse aggregate and fine aggregate. The coarse aggregate comprises pebbles, broken stones, waste residues and the like, and the fine aggregate comprises medium fine sand, fly ash and the like; in the process of screening the concrete aggregate, a vibrating screen is adopted to screen the crushed aggregate.

Among the prior art, chinese utility model patent document of grant publication No. CN205110102U discloses a shale shaker, including the screen frame, the screen frame on be equipped with feed inlet and discharge gate, the screen frame in from last to setting gradually first screen cloth, second screen cloth and third screen cloth down, second screen cloth and third screen cloth between set up the discharge gate, screen frame bottom set up the slider, the slider connect telescopic cylinder, slider bottom and slide rail sliding fit, the fixed support that sets up in slide rail both ends, support and screen frame between be equipped with vibrating spring. Foretell a shale shaker, simple structure, reasonable in design can realize through this shale shaker about the material is in the screen frame about repeatedly screening from top to bottom, has not only improved screening efficiency, has reduced workman's intensity of labour moreover.

The existing vibrating screen can be used for screening sand, after the screen is used for a long time, the screen is abraded, the traditional screen is welded in a screen box, and the screen is inconvenient to replace; therefore, the screen of the existing vibrating screen is not convenient to replace after being worn.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a shale shaker convenient to change screen cloth uses a period to produce the damage back when the screen cloth, and drive assembly drive gear rotates, and the gear passes through the rack and drives the one end motion that the bolster was kept away from to the support frame orientation, when the support frame breaks away from the sieve case, dismantles the screen cloth from the support frame, installs new screen cloth on the support frame, and drive assembly passes through the gear and drives rack motion to initial position, makes the screen cloth change become convenient.

In order to achieve the above purpose, the utility model provides a following technical scheme: a vibrating screen convenient for replacing a screen mesh comprises a support and a screen box fixedly connected to the support, wherein an opening of the screen box is formed, a discharge hole is formed in the screen box, and a vibrating motor is fixedly connected to the screen box and used for driving the screen box to vibrate; the screen box is characterized by further comprising a support frame arranged in the screen box, the length direction of the support frame is parallel to the length direction of the side wall of the screen box, a screen is arranged in the screen box, a plurality of mounting assemblies and a plurality of dismounting assemblies in one-to-one correspondence with the mounting assemblies are arranged on two sides of the screen, the mounting assemblies are used for mounting the screen on the support frame, and the dismounting assemblies are used for taking the screen off the support frame; the side of the two side walls of the screen box, which are close to each other, is fixedly connected with a positioning rod, the length direction of the positioning rod is parallel to the length direction of the supporting frame, the side of the two side walls of the screen box, which are close to each other, is fixedly connected with a storage plate, the length direction of the storage plate is parallel to the length direction of the positioning rod, the storage plate is positioned below the positioning rod, the two sides of the top of the supporting frame are respectively contacted with the two positioning rods, the two sides of the bottom of, the top of one of the storage plates is provided with a storage groove, the length direction of the storage groove is parallel to the length direction of the storage plate, a rack parallel to the length direction of the storage groove in the length direction and a gear meshed with the rack are arranged in the storage groove, the rack is fixedly connected with the support frame, the rack drives the support frame to slide along the length direction of the rack, the gear is rotatably connected with the storage plate, and a driving assembly for driving the gear to rotate is arranged on the side wall of the screen box; two adapting rods of the equal fixedly connected with in both sides that the support frame deviates from discharge gate one end, two adapting rods are located the both sides of support frame respectively, and the length direction of two adapting rods is all parallel with the length direction of support frame, and two adapting rods run through the sieve case along the length direction of adapting rods, and two adapting rods all slide along the length direction of adapting rods.

By adopting the technical scheme, when the screen is damaged after being used for a period of time, the driving assembly drives the gear to rotate, the gear drives the support frame to move towards one end far away from the bearing rods through the rack, when the support frame is separated from the screen box, the two bearing rods are respectively positioned between the two positioning rods and the two storage plates, the bearing rods ensure that the rack can return to the initial position, the screen is detached from the support frame, a new screen is installed on the support frame, and the driving assembly drives the rack to move to the initial position through the gear; therefore, after the screen cloth of the existing vibrating screen is worn, the screen cloth is convenient to replace.

The utility model discloses further set up to: the mounting assembly comprises a sliding block arranged on a support frame and a pushing spring fixedly connected to one side of the sliding block, one side of the support frame, which is close to the screen, is provided with a plurality of accommodating grooves in one-to-one correspondence with the sliding block, the sliding block and the pushing spring are positioned in the corresponding accommodating grooves, the pushing spring is positioned at one side of the sliding block, which is far away from the screen, one end of the pushing spring, which is far away from the sliding block, is fixedly connected with the support frame, two sides of the screen are respectively provided with a plurality of positioning grooves in one-to-one correspondence with the accommodating grooves, the positioning grooves can be communicated with the; the top of one side of the sliding block departing from the pushing spring is provided with a round angle.

Through adopting above-mentioned technical scheme, during the installation screen cloth, place the screen cloth on the support frame, push down the screen cloth, the screen cloth promotes the direction motion of sliding block orientation keeping away from the screen cloth, promotes the spring and is compressed, when the constant head tank is linked together with the holding tank, promotes the spring and promotes the direction that sliding block orientation is close to the screen cloth and slides, in the sliding block inserts the constant head tank near one side of screen cloth, the sliding block fixes a position the screen cloth, avoids the screen cloth at the in-process of screening grit, and the screen cloth breaks away from the support frame.

The utility model discloses further set up to: the disassembling component comprises a sliding rod which is vertical to the screen in the length direction, the sliding rod is positioned above the sliding block, a plurality of sliding grooves which are in one-to-one correspondence with the sliding rod are formed in the top of the supporting frame, the sliding rod is positioned in the corresponding sliding groove and slides along the length direction of the sliding rod, the sliding grooves are communicated with the accommodating groove, an inclined plane is arranged at the bottom of the sliding rod, and one side of the inclined plane, which is far away from the positioning groove, is inclined upwards; the bottom of sliding tray is provided with the draw-in groove of seting up on the sliding block, and the draw-in groove runs through the sliding block along vertical direction, is provided with the inclined plane in the draw-in groove, and the top on inclined plane sets up towards the lopsidedness that is close to the promotion spring, and the inclined plane on the slide bar can cooperate with the inclined plane in the draw-in groove, and the bottom of sliding block is provided with the joint groove of seting up on the support frame, and the bottom of slide bar can run through the sliding block.

By adopting the technical scheme, after the screen is damaged, the sliding rod is pressed downwards, the sliding rod pushes the sliding block to move towards the direction far away from the screen, the pushing spring is compressed, the bottom of the sliding rod is inserted into the clamping groove, one side of the sliding block close to the screen is separated from the positioning groove, and the screen is taken down from the support frame; through setting up the slide bar, be convenient for promote the one side that the sliding block is close to the screen cloth and break away from the constant head tank.

The utility model discloses further set up to: the disassembling component further comprises two limiting springs arranged on two sides of the sliding rod, a plurality of limiting grooves corresponding to the sliding rod one to one are formed in the top of the supporting frame, the limiting grooves are communicated with the sliding grooves, limiting blocks are fixedly connected to positions, close to the top, of two sides of the sliding rod, the two limiting springs are fixedly connected to the bottoms of the two limiting blocks respectively, and one ends, deviating from the limiting blocks, of the limiting springs are fixedly connected with the supporting frame.

Through adopting above-mentioned technical scheme, push down the slide bar, spacing spring is compressed, and when the bottom of slide bar was located the joint inslot, the screen cloth that will wear and tear seriously was dismantled from the support frame, loosens the slide bar, and spacing spring kick-backs, and the initial position is got back to the slide bar, through setting up spacing spring, after the slide bar was pressed downwards, the initial position was got back to the slide bar of being convenient for.

The utility model discloses further set up to: the outside cover of slide bar is equipped with the spacing ring, and the spacing ring is located the top of stopper, and the spacing ring is in the same place with support frame fixed connection, and the slide bar slides along the length direction of slide bar on the spacing ring.

Through adopting above-mentioned technical scheme, through setting up the spacing ring, avoid spacing spring to release the sliding tray with the slide bar.

By adopting the technical scheme, the fixing bolt is unscrewed, and the rack drives the support frame to move towards the direction far away from the bearing rod, so that the screen is disassembled; after the new screen is installed, the rack drives the support frame to return to the initial position, the fixing bolt is screwed down, and the support frame is fixed on the side wall of the screen box.

The utility model discloses further set up to: the driving assembly comprises a worm wheel fixedly connected with the gear and a worm meshed with the worm wheel, and the worm is fixedly connected to the side wall of the screen box.

Through adopting above-mentioned technical scheme, rotate the worm, the worm passes through the worm wheel and drives gear revolve, through setting up worm wheel and worm, utilizes the auto-lock of worm wheel and worm, avoids the carriage to take place to slide on the sieve case.

The utility model discloses further set up to: and one end of the worm, which deviates from the worm wheel, is fixedly connected with a turntable.

Through adopting above-mentioned technical scheme, rotate the carousel, the carousel drives the worm and rotates, through setting up the carousel, is convenient for rotate the worm.

The utility model discloses further set up to: and a protective cover fixedly connected to the side wall of the screen box is arranged above the worm.

Through adopting above-mentioned technical scheme, through setting up the protection casing, avoid hitting the worm at screening in-process grit.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. the utility model discloses be provided with gear and rack, after the screen cloth produced the damage for a period of time using, drive assembly drive gear rotated, the gear drives the support frame through the rack and moves towards the one end of keeping away from the adapting rod, when the support frame breaks away from the sieve case, two adapting rods were located between two locating levers and two storing boards respectively, adapting rod guaranteed that the rack can get back to initial position, dismantle the screen cloth from the support frame, install new screen cloth on the support frame, drive assembly driven rack motion to initial position through the gear; therefore, after the screen cloth of the existing vibrating screen is worn, the screen cloth is convenient to replace;

2. the utility model discloses be provided with the sliding block and promote the spring, when installing the screen cloth, place the screen cloth on the support frame, push down the screen cloth, the screen cloth promotes the sliding block and moves towards the direction of keeping away from the screen cloth, the promotion spring is compressed, when the constant head tank is linked together with the holding tank, promote the spring and promote the sliding block and slide towards the direction of being close to the screen cloth, the sliding block is close to one side of screen cloth and inserts in the constant head tank, the sliding block is fixed a position the screen cloth, avoid the screen cloth to break away from the support frame in the course of screening;

3. the utility model is provided with the sliding rod, after the screen is damaged, the sliding rod is pressed downwards, the sliding rod pushes the sliding block to move towards the direction far away from the screen, the pushing spring is compressed, the bottom of the sliding rod is inserted into the clamping groove, one side of the sliding block close to the screen is separated from the positioning groove, and the screen is taken down from the supporting frame; through setting up the slide bar, be convenient for promote the one side that the sliding block is close to the screen cloth and break away from the constant head tank.

Drawings

FIG. 1 is a schematic diagram of the complete structure of the embodiment;

FIG. 2 is a schematic illustration of an embodiment embodying gears;

FIG. 3 is a cross-sectional view of an embodiment embodying a worm gear;

FIG. 4 is a cross-sectional view of the embodiment showing a sliding block;

fig. 5 is an enlarged view of a portion a of fig. 4.

In the figure: 1. a support; 2. a screen box; 21. a discharge port; 22. a storage plate; 221. a gear; 222. a rack; 223. a storage tank; 23. fixing the bolt; 24. a protective cover; 25. positioning a rod; 26. a vibration motor; 27. a fixed block; 28. a damping spring; 3. a support frame; 31. a bearing rod; 32. accommodating grooves; 33. a sliding groove; 34. a limiting groove; 35. a limiting ring; 36. a clamping groove; 4. screening a screen; 41. positioning a groove; 5. a detachable mechanism; 51. mounting the component; 511. a sliding block; 5111. a card slot; 512. a push spring; 52. disassembling the assembly; 521. a slide bar; 522. a limiting spring; 523. a limiting block; 6. a drive assembly; 61. a worm gear; 62. a worm; 63. a fixed cover; 64. a turntable; 65. a rotating shaft.

Detailed Description

Example (b): the vibrating screen convenient for replacing the screen mesh is shown in the attached drawings 1 and 2, and comprises two supports 1 and a screen box 2 arranged between the two supports 1, wherein the screen box 2 is arranged in an open manner, a discharge hole 21 is formed in the screen box 2, one end of the screen box 2 provided with the discharge hole 21 is arranged in a downward inclined manner, a vibrating motor 26 is fixedly connected to the screen box 2, two fixing blocks 27 are arranged at the tops of the two supports 1, the fixing blocks 27 are fixedly connected with the screen box 2, a damping spring 28 is arranged at the bottom of each fixing block 27, and two ends of each damping spring 28 are respectively fixedly connected with the fixing blocks 27 and the supports 1; a support frame 3 is arranged in the screen box 2, the length direction of the support frame 3 is parallel to the length direction of the side wall of the screen box 2, a screen 4 is arranged in the screen box 2, and the screen 4 is detachably connected with the support frame 3; one side, close to each other, of two side walls of the sieve box 2 is fixedly connected with a positioning rod 25, the length direction of the positioning rod 25 is parallel to that of the support frame 3, one side, close to each other, of the two side walls of the sieve box 2 is fixedly connected with a storage plate 22, the length direction of the storage plate 22 is parallel to that of the positioning rod 25, the storage plate 22 is located below the positioning rod 25, two sides of the top of the support frame 3 are respectively contacted with the two positioning rods 25, two sides of the bottom of the support frame 3 are respectively contacted with the tops of the two storage plates 22, two ends of the support frame 3 are respectively contacted with two side walls of the sieve box 2, the support frame 3 slides along the length direction of the support frame 3, two outer side walls of the sieve box 2 are respectively provided with a fixing bolt 23; the top of one of the storage plates 22 is provided with a storage groove 223, the storage groove 223 penetrates through the sieve box 2 along the length direction of the storage groove 223, the length direction of the storage groove 223 is parallel to the length direction of the storage plate 22, the storage groove 223 is internally provided with a rack 222 with the length direction parallel to the length direction of the storage groove 223 and a gear 221 meshed with the rack 222, the rack 222 is fixedly connected with the support frame 3, the gear 221 is arranged at one end of the storage groove 223 close to the discharge port 21, the gear 221 is fixedly connected with a rotating shaft 65 with the axial direction perpendicular to the storage plate 22, the rotating shaft 65 penetrates through the storage plate 22 along the axial direction of the rotating shaft 65 and is rotatably connected with the storage plate 22, the rotating shaft 65 penetrates through the side wall of the sieve box 2 along the axial direction of the rotating shaft 65 and is rotatably connected with the side wall of the sieve box 2, and the side wall of the; one end of the support frame 3, which is away from the gear 221, is fixedly connected with two socket rods 31, the rack 222 is fixedly connected to the bottom of one of the socket rods 31, the two socket rods 31 are respectively located at two sides of the support frame 3, the length directions of the two socket rods 31 are both parallel to the length direction of the support frame 3, the two socket rods 31 penetrate through the sieve box 2 along the length direction of the socket rods 31, and the two socket rods 31 both slide along the length direction of the socket rods 31.

When the screen 4 is damaged after being used for a period of time, the driving component 6 drives the gear 221 to rotate, the gear 221 drives the support frame 3 to move towards the direction far away from the receiving rod 31 through the gear rack 222, when the support frame 3 is separated from the screen box, the two receiving rods 31 are respectively positioned between the two positioning rods 25 and the two storage plates 22, the receiving rod 31 ensures that the gear rack 222 can return to the initial position, the screen 4 is detached from the support frame 3, a new screen 4 is installed on the support frame 3, and the driving component 6 drives the gear rack 222 to move to the initial position through the gear rack 221; therefore, the screen 4 of the existing vibrating screen is convenient to replace after the screen 4 is worn.

Referring to fig. 2 and 3, the driving assembly 6 includes a worm wheel 61 fixedly connected to a rotating shaft 65 and a worm 62 engaged with the worm wheel 61, a fixed cover 63 is fixedly connected to a side wall of the screen box 2, the worm wheel 61 is located in the fixed cover 63, the rotating shaft 65 is rotatably connected with the fixed cover 63, an axial direction of the worm 62 is parallel to a length direction of the storage plate 22, the worm 62 penetrates through the fixed cover 63 along the axial direction of the worm 62, the worm 62 is rotatably connected with the fixed cover 63, and one end of the worm 62, which is far away from the worm wheel 61, is fixedly connected with a turntable 64; above the worm 62 is arranged a protective cover 24 fixedly connected to the side wall of the screen box 2.

The turntable 64 is rotated, the turntable 64 drives the worm wheel 61 to rotate through the worm 62, the worm wheel 61 drives the gear 221 to rotate through the rotating shaft 65, the gear 221 drives the rack 222 to move along the length direction of the rack 222, and the support frame 3 is prevented from sliding on the screen box 2 in the process of screening sand and stones by utilizing the self-locking of the worm wheel 61 and the worm 62; the retaining cap 63 prevents sand from hitting the worm 62 during the screening process.

Referring to fig. 4 and 5, both sides of the screen 4 are provided with a plurality of detachable mechanisms 5, each detachable mechanism 5 includes an installation component 51 and a detachable component 52, each installation component 51 includes a sliding block 511 disposed on the support frame 3 and a pushing spring 512 fixedly connected to one end of the sliding block 511, one side of the support frame 3 close to the screen 4 is provided with a plurality of accommodating grooves 32 corresponding to the sliding blocks 511 one by one, the sliding blocks 511 and the pushing springs 512 are located in the corresponding accommodating grooves 32, the pushing springs 512 are located on one side of the sliding blocks 511 away from the screen, one ends of the pushing springs 512 departing from the sliding blocks 511 are fixedly connected to the support frame 3, both sides of the screen 4 are provided with a plurality of positioning grooves 41 corresponding to the accommodating grooves 32 one by one, the positioning grooves 41 can be communicated with the corresponding accommodating grooves 32, and one side of the sliding blocks 511 departing; the top of the sliding block 511 on the side facing away from the pushing spring 512 is provided with a round angle.

When installing screen cloth 4, place screen cloth 4 on support frame 3, push down screen cloth 4, screen cloth 4 promotes the direction motion of sliding block 511 orientation keeping away from screen cloth 4, it is compressed to promote spring 512, when the constant head tank 41 is linked together with holding tank 32, it slides to promote spring 512 to promote sliding block 511 orientation to be close to the direction of screen cloth 4, sliding block 511 is close to in screen cloth 4's one side inserts constant head tank 41, sliding block 511 fixes a position screen cloth 4, avoid screen cloth 4 at the in-process of screening grit, screen cloth 4 breaks away from support frame 3.

Referring to fig. 4 and 5, the detaching assembly 52 includes a sliding rod 521 perpendicular to the screen 4 in the length direction and limiting springs 522 disposed on two sides of the sliding rod 521, the sliding rod 521 is located above the sliding rod 511, the top of the support frame 3 is provided with a plurality of sliding grooves 33 corresponding to the sliding rod 521 one by one, the sliding rod 521 is located in the corresponding sliding groove 33 and slides along the length direction of the sliding rod 521, the sliding grooves 33 are communicated with the accommodating groove 32, the bottom of the sliding rod 521 is provided with an inclined surface, and one side of the inclined surface, which is away from the positioning groove 41, is inclined upward; the bottom of the sliding groove 33 is provided with a clamping groove 5111 formed in the sliding block 511, the clamping groove 5111 penetrates through the sliding block 511 along the vertical direction, an inclined plane is arranged in the clamping groove 5111, the top of the inclined plane is obliquely arranged towards one side close to the pushing spring 512, the inclined plane on the sliding rod 521 can be matched with the inclined plane in the clamping groove 5111, the bottom of the sliding block 511 is provided with a clamping groove 36 formed in the support frame 3, and the bottom of the sliding rod 521 can penetrate through the sliding block 511 and be inserted into the clamping groove 36; the top of the support frame 3 is provided with a plurality of limiting grooves 34 which are in one-to-one correspondence with the sliding rods 521, the limiting grooves 34 are communicated with the sliding grooves 33, the positions, close to the top, of the two sides of each sliding rod 521 are fixedly connected with limiting blocks 523, the two limiting springs 522 respectively correspond to the two limiting blocks 523, and the two ends of each limiting spring 522 are respectively fixedly connected with the corresponding limiting blocks 523 and the support frame 3; the position that the outside of slide bar 521 is close to the top overlaps and is equipped with spacing ring 35, and spacing ring 35 is in the same place with support frame 3 fixed connection, and the top of spacing ring 35 is leveled mutually with the top of support frame 3, and slide bar 521 slides along slide bar 521's length direction on spacing ring 35.

After the screen 4 is damaged, the sliding rod 521 is pressed downwards, the limiting spring 522 is compressed, the sliding rod 521 pushes the sliding block 511 to move towards the direction far away from the screen 4, the pushing spring 512 is compressed, the bottom of the sliding rod 521 is inserted into the clamping groove 36, one side of the sliding block 511 close to the screen 4 is separated from the positioning groove 41, and the screen 4 is taken down from the support frame 3; when the sliding rod 521 is released, the limiting spring 522 rebounds, the sliding rod 521 returns to the initial position, the pushing spring 512 rebounds, and the sliding block 511 returns to the initial position, so that the screen 4 is conveniently detached and replaced.

The vibrating screen convenient for replacing the screen cloth has the following working principle when in use: when the screen 4 is damaged after being used for a period of time, the fixing bolt 23 is screwed off, the rotary table 64 is rotated, the worm 62 drives the worm wheel 61 to rotate through the rotary table 64, the worm wheel 61 drives the gear 221 to rotate through the rotary shaft 65, the gear 221 drives the rack 222 to move along the rack 222 towards the direction far away from the carrying rod 31, when one end of the support frame 3 far away from the carrying rod 31 is contacted with the bottom surface, the operation of rotating the rotary table 64 is stopped, and the two carrying rods 31 are respectively positioned between the two positioning rods 25 and the two storage plates 22; the sliding rod 521 is pressed downwards, the limiting spring 522 is compressed, the sliding rod 521 pushes the sliding block 511 to move towards the direction far away from the screen 4, the pushing spring 512 is compressed, the bottom of the sliding rod 521 is inserted into the clamping groove 36, one side of the sliding block 511 close to the screen 4 is separated from the positioning groove 41, and the screen 4 is taken down from the support frame 3; when the positioning groove 41 is communicated with the accommodating groove 32, the spring 512 is pushed to push the sliding block 511 to slide towards the direction close to the screen 4, one side of the sliding block 511 close to the screen 4 is inserted into the positioning groove 41, and the screen 4 is fixed on the support frame 3; the driving assembly 6 drives the rack 222 to move to the initial position through the gear 221, and screws the fixing bolt 23.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a shale shaker convenient to change screen cloth, includes sieve case (2), and the uncovered setting of sieve case (2), discharge gate (21) have been seted up to sieve case (2) one end, and the one end of sieve case (2) is to the tilt up setting, its characterized in that: the sieve box is characterized by further comprising a support frame (3) arranged in the sieve box (2), wherein the length direction of the support frame (3) is parallel to the length direction of the side wall of the sieve box (2), a sieve screen (4) is arranged in the sieve box (2), and the sieve screen (4) is detachably connected with the support frame (3); equal fixedly connected with locating lever (25) in one side that sieve case (2) both sides wall is close to each other, the length direction of locating lever (25) is parallel with the length direction of support frame (3), equal fixedly connected with storing board (22) in one side that sieve case (2) both sides wall is close to each other, the length direction of storing board (22) is parallel with the length direction of locating lever (25), storing board (22) are located the below of locating lever (25), support frame (3) top both sides contact with two locating levers (25) respectively, support frame (3) bottom both sides contact with the top of two storing boards (22) respectively, storing groove (223) have been seted up at the top of one of them storing board (22), the length direction of storing groove (223) is parallel with the length direction of storing board (22), the length direction of storing groove (223) runs through sieve case (2) along the length direction of storing groove (223), be provided with the rack (222) and the rack that length direction is parallel with the length direction of storing groove (223) in (222) The meshed gears (221), the racks (222) are fixedly connected with the support frame (3), the racks (222) drive the support frame (3) to slide along the length direction of the racks (222), the gears (221) are rotatably connected with the storage plate (22), and the side wall of the sieve box (2) is provided with a driving assembly (6) for driving the gears (221) to rotate; two bearing rods (31) are fixedly connected to two sides of one end, deviating from the discharge hole (21), of the support frame (3), the rack (222) is fixedly connected to the bottom of one bearing rod (31), the two bearing rods (31) are located on two sides of the support frame (3) respectively, the length directions of the two bearing rods (31) are parallel to the length direction of the support frame (3), the two bearing rods (31) penetrate through the sieve box (2) along the length direction of the bearing rods (31), and the two bearing rods (31) slide along the length direction of the bearing rods (31).

2. The vibratory screen of claim 1 with ease of replacing the screen, wherein: the screen cloth comprises a support frame (3), wherein a plurality of mounting assemblies (51) are arranged on two sides of the screen cloth (4), each mounting assembly (51) comprises a sliding block (511) arranged on the support frame (3) and a pushing spring (512) fixedly connected to one side of the sliding block (511), one side, close to the screen cloth (4), of the support frame (3) is provided with a plurality of accommodating grooves (32) corresponding to the sliding blocks (511) one by one, the sliding blocks (511) and the pushing springs (512) are located in the corresponding accommodating grooves (32), the pushing springs (512) are located on one sides, far away from the screen cloth (4), of the sliding blocks (511), one ends, far away from the sliding blocks (511), of the pushing springs (512) are fixedly connected with the support frame (3), a plurality of positioning grooves (41) corresponding to the accommodating grooves (32) one by one, the positioning grooves (41) can be communicated with the corresponding accommodating grooves (32), and one sides, far away from the pushing springs (512), of; the top of one side of the sliding block (511) departing from the pushing spring (512) is provided with a round angle; the support frame (3) is provided with a plurality of disassembling components (52) which correspond to the installing components (51) one by one, and the disassembling components (52) are used for pushing one side of the sliding block (511) close to the screen (4) to be separated from the positioning groove (41).

3. The vibratory screen of claim 2 with ease of replacing the screen, wherein: the disassembling component (52) comprises a sliding rod (521) which is vertical to the screen (4) in the length direction, the sliding rod (521) is located above the sliding block (511), the top of the supporting frame (3) is provided with a plurality of sliding grooves (33) which are in one-to-one correspondence with the sliding rod (521), the sliding rod (521) is located in the corresponding sliding groove (33) and slides along the length direction of the sliding rod (521), the sliding groove (33) is communicated with the accommodating groove (32), the bottom of the sliding rod (521) is provided with an inclined surface, and one side of the inclined surface, which deviates from the positioning groove (41), is inclined upwards; the bottom of sliding tray (33) is provided with draw-in groove (5111) of seting up on sliding block (511), draw-in groove (5111) run through sliding block (511) along vertical direction, be provided with the inclined plane in draw-in groove (5111), the top of inclined plane sets up towards the lopsidedness that is close to promotion spring (512), the inclined plane on slide bar (521) can cooperate with the inclined plane in draw-in groove (5111), the bottom of sliding block (511) is provided with joint groove (36) of seting up on support frame (3), the bottom of slide bar (521) can run through sliding block (511) and insert in joint groove (36).

4. The vibratory screen of claim 3 with ease of replacing the screen, wherein: dismantle subassembly (52) still including setting up two spacing spring (522) in slide bar (521) both sides, a plurality of spacing groove (34) with slide bar (521) one-to-one are seted up at the top of support frame (3), spacing groove (34) are linked together with sliding tray (33), the equal fixedly connected with stopper (523) in position that the both sides of slide bar (521) are close to the top, two spacing spring (522) are fixed connection respectively in the bottom of two stopper (523), the one end that spacing spring (522) deviates from stopper (523) is in the same place with support frame (3) fixed connection.

5. A vibrating screen facilitating the replacement of a screen cloth (4) according to claim 4, characterized in that: the outside cover of slide bar (521) is equipped with spacing ring (35), and spacing ring (35) are located the top of stopper (523), and spacing ring (35) and support frame (3) fixed connection are in the same place, and slide bar (521) slide along the length direction of slide bar (521) on spacing ring (35).

6. A vibrating screen facilitating replacement of a screen cloth (4) according to claim 1, characterized in that: two outer side walls of the sieve box (2) are provided with fixing bolts (23), and the end parts of the fixing bolts (23) can penetrate through the side walls of the sieve box (2) and are connected with the supporting frame (3) in a threaded mode.

7. The vibratory screen of claim 1 with ease of replacing the screen, wherein: the driving assembly (6) comprises a worm wheel (61) fixedly connected with the gear (221) and a worm (62) meshed with the worm wheel (61), and the worm (62) is fixedly connected to the side wall of the screen box (2).

8. The vibratory screen facilitating screen replacement of claim 7, wherein: and one end of the worm (62) departing from the worm wheel (61) is fixedly connected with a turntable (64).

9. The vibratory screen facilitating screen replacement of claim 7, wherein: and a protective cover (24) fixedly connected to the side wall of the screen box (2) is arranged above the worm (62).