CN213967581U - Vibrating screen capable of crushing agglomerated sand - Google Patents
Vibrating screen capable of crushing agglomerated sand Download PDFInfo
- Publication number
- CN213967581U CN213967581U CN202021594536.8U CN202021594536U CN213967581U CN 213967581 U CN213967581 U CN 213967581U CN 202021594536 U CN202021594536 U CN 202021594536U CN 213967581 U CN213967581 U CN 213967581U
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- Prior art keywords
- screen
- screen box
- side walls
- vibration exciter
- box
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- 239000004576 sand Substances 0.000 title description 11
- 239000000428 dust Substances 0.000 claims abstract description 13
- 229910000639 Spring steel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a vibrating screen capable of breaking agglomerated gravel, which comprises a screen box, wherein the screen box consists of a bottom plate and side walls, the side walls are fixedly arranged on two sides of the bottom plate to form the screen box, a screen is arranged in the screen box and is parallel to the bottom plate and is positioned above the bottom plate, and two ends of the screen are fixedly arranged on the side walls at two ends of the screen box; the vibration exciter is arranged on the outer side of the screen box, the vibration exciter is fixedly arranged outside the side wall, a belt pulley is arranged on the outer side of the vibration exciter, the belt pulley is connected to the vibration exciter through a rotating shaft, and the belt pulley is connected to the motor through a belt; the top of the screen box is covered with a dustproof cover, and two ends of the dustproof cover are fixedly arranged on the tops of the side walls of two ends of the screen box; the utility model discloses in because the design of sieve roof portion has covered the shield, consequently can prevent that the dust from raising from the sieve incasement, can also prevent that the grit of agglomerating from popping out the shale shaker in the shale shaker outside, have the beneficial effect of eliminating the potential safety hazard.
Description
Technical Field
The utility model relates to a vibrating screen, in particular to a vibrating screen capable of crushing agglomerated gravels.
Background
The vibrating screen works by utilizing reciprocating rotary type vibration generated by vibration excitation of the vibrator, the upper rotary heavy hammer of the vibrator enables the screen surface to generate plane rotary vibration, the lower rotary heavy hammer enables the screen surface to generate conical rotary vibration, and the combined effect of the upper rotary heavy hammer and the lower rotary heavy hammer enables the screen surface to generate repeated rotary type vibration. The vibration locus is a complex space curve. The projection of the curve on the horizontal plane is a circle, the projection on the vertical plane is an ellipse, the amplitude can be changed by adjusting the exciting force of the upper and lower rotary heavy hammers, and the curve shape of the motion trail of the screen surface and the motion trail of the materials on the screen surface can be changed by adjusting the space phase angle of the upper and lower heavy hammers; the vibrating screen is a filtering mechanical separation device for slurry solid phase treatment, and consists of a screen and a vibrator, wherein the thickness of the screen is expressed by meshes, generally, the screen with the thickness below 50 meshes is a coarse screen, the screen with the thickness above 80 meshes is a fine screen, and the vibrator is an eccentric wheel and rotates under the drive of a motor to vibrate a screen frame. Due to the vibration of the screen frame, when the mud flows onto the screen surface, the thick solid particles are left on the screen surface and are discharged from one end along the inclined surface, and the thin solid particles and mud liquid flow to the mud pit through the screen holes.
The vibrating screen in practical use is mainly divided into a linear vibrating screen, a circular vibrating screen and a high-frequency vibrating screen, and the vibrating screen can be divided into a single-shaft vibrating screen and a double-shaft vibrating screen according to the type of a vibrator; the single-shaft vibrating screen is characterized in that a screen box vibrates by utilizing single unbalanced heavy excitation, the screen surface is inclined, the motion trail of the screen box is generally circular or elliptical, the double-shaft vibrating screen is characterized in that double unbalanced heavy excitation rotating in different directions synchronously is utilized, the screen surface is horizontal or slowly inclined, and the motion trail of the screen box is a straight line; the vibrating screen can be an inertial vibrating screen, an eccentric vibrating screen, a self-centering vibrating screen, an electromagnetic vibrating screen and the like.
The mining vibrating screen in the prior art is usually used in the open air, a large amount of dust is generated when agglomerated sand is screened, serious environmental pollution is caused, and the health of workers in sand plants is seriously influenced in the past; in addition, sometimes because the vibrating force of shale shaker is too strong, cause the caking grit to pop out the shale shaker from the shale shaker in, have certain potential safety hazard.
Therefore, the inventor provides the vibrating screen capable of breaking up the agglomerated sand by combining various factors.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can be to the shale shaker that the knot grit was smashed to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a vibrating screen capable of breaking agglomerated gravel comprises a screen box, wherein the screen box consists of a bottom plate and side walls, the side walls are fixedly arranged on two sides of the bottom plate to form the screen box, a screen is arranged in the screen box and is parallel to the bottom plate and above the bottom plate, and two ends of the screen are fixedly arranged on the side walls at two ends of the screen box; the vibration exciter is arranged on the outer side of the screen box, the vibration exciter is fixedly arranged outside the side wall, a belt pulley is arranged on the outer side of the vibration exciter, the belt pulley is connected to the vibration exciter through a rotating shaft, and the belt pulley is connected to the motor through a belt so as to provide power conveniently; the top of the screen box is covered with a dustproof cover, and two ends of the dustproof cover are fixedly arranged on the top of the side walls of two ends of the screen box, so that dust is prevented from being lifted from the screen box, agglomerated gravel is prevented from being ejected out of the vibrating screen from the vibrating screen, and potential safety hazards are eliminated;
when in work: the motor is started, the motor drives the belt pulley to rotate through the belt, the belt pulley drives the vibration exciter to vibrate through the rotating shaft, and the vibration exciter is fixedly arranged on the side wall of the screen box, so that the whole screen box vibrates along with the vibration exciter; at the moment, pouring agglomerated gravels to be screened onto a screen in the screen box, wherein the vibration exciter drives the screen box to generate huge vibration force, so that the agglomerated gravels to be screened on the screen in the screen box are shaken to be broken, the gravels which are broken to be smaller fall onto a bottom plate of the screen box through the screen, and the gravels which are not broken are remained in the screen and continue to vibrate along with the screen until the gravels are broken to fall onto the bottom plate; because the dustproof cover covers the top of the screen box, dust can be prevented from being lifted from the screen box, agglomerated gravels can be prevented from being popped out of the vibrating screen from the vibrating screen, and the function of eliminating potential safety hazards is achieved;
the screen box is characterized in that mounting plates are symmetrically arranged outside the side walls, the mounting plates are fixedly mounted on the outer sides of the side walls at two ends of the screen box, a buffer spring is fixedly mounted at the bottom of the mounting plates, a base is fixedly mounted at the bottom of the buffer spring, the screen box is mounted in a mine through the base, and the buffer spring has a certain buffering effect, so that the screen box has a certain amplitude, the box body can conveniently generate elastic vibration along with a vibration exciter, and the screen box is prevented from being damaged due to rigid vibration;
the vibration exciter adopts a large-clearance bearing, and the large-clearance bearing has the advantages of low noise, long service life and the like and is convenient for noise reduction;
the bottom of the screen is provided with a connecting rod, two ends of the connecting rod are fixedly arranged in the side wall, and the upper part of the connecting rod is abutted against the bottom of the screen, so that the screen is prevented from sagging and the sand screening effect is influenced;
the belt pulley is provided with a belt groove, so that a belt is convenient to mount;
the buffer spring is a compression spring, the buffer spring is made of a spring steel material with the trade mark of 60Si2Mn, and the spring steel is high in strength, good in elasticity, long in service life and convenient to use for a long time.
Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:
1. the utility model provides a can be to shale shaker that caking grit was smashed, the structure sets up ingenious and arrange rationally, the utility model discloses in because the design of sieve roof portion covers has the shield, consequently can prevent that the dust from raising up from the sieve incasement, can also prevent that the caking grit from popping out the shale shaker in the shale shaker outside, have the beneficial effect of eliminating the potential safety hazard.
2. The utility model discloses buffer spring that further designs has certain cushioning effect for the sieve case has certain amplitude, and the box of being convenient for produces elastic shock along with the vibration exciter, avoids the sieve case to produce the rigidity vibration and harm.
3. The utility model discloses the big internal clearance bearing of further design has that the noise is little, and advantages such as long service life are convenient for fall and are fallen the noise.
4. The utility model discloses the screen cloth bottom of further design is provided with the connecting rod, connecting rod both ends fixed mounting is in the lateral wall, connecting rod top butt has the flagging beneficial effect of screen cloth of preventing in the screen cloth bottom.
Drawings
FIG. 1 is a schematic diagram of a vibrating screen capable of breaking up agglomerated sand.
FIG. 2 is a side cross-sectional view of the middle of a shaker screen capable of breaking up agglomerated sand.
FIG. 3 is an end side sectional view of a shaker screen capable of breaking up agglomerated sand.
In the figure: 1. a base plate; 2. a side wall; 3. screening a screen; 4. a belt pulley; 41. a belt groove; 5. a vibration exciter; 6. mounting a plate; 7. a buffer spring; 8. a base; 9. a dust cover; 10. a connecting rod.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, a vibrating screen capable of breaking agglomerated sand comprises a screen box, wherein the screen box is composed of a bottom plate 1 and side walls 2, the side walls 2 are fixedly installed on two sides of the bottom plate 1 to form the screen box, a screen 3 is arranged in the screen box and parallel to the bottom plate 1 and above the bottom plate 1, and two ends of the screen 3 are fixedly installed on the side walls 2 at two ends of the screen box; the vibration exciter 5 is arranged on the outer side of the screen box, the vibration exciter 5 is fixedly arranged outside the side wall 2, the belt pulley 4 is arranged on the outer side of the vibration exciter 5, the belt pulley 4 is connected to the vibration exciter 5 through a rotating shaft, and the belt pulley 4 is connected to the motor through a belt, so that power is provided conveniently; the top of the screen box is covered with a dust cover 9, and two ends of the dust cover 9 are fixedly arranged on the tops of the side walls 2 at two ends of the screen box, so that dust is prevented from being lifted from the screen box, agglomerated gravels are prevented from being ejected out of the vibrating screen from the vibrating screen, and potential safety hazards are eliminated; the mounting plates 6 are symmetrically arranged outside the side walls 2, the mounting plates 6 are fixedly mounted on the outer sides of the side walls 2 at two ends of the screen box, the bottom of each mounting plate 6 is fixedly provided with a buffer spring 7, the bottom of each buffer spring 7 is fixedly provided with a base 8, the screen box is mounted in a mine through the base 8, and the buffer springs 7 have a certain buffering effect, so that the screen box has a certain amplitude, the box body can conveniently generate elastic vibration along with the vibration exciter 5, and the screen box is prevented from being damaged due to rigid vibration; the vibration exciter 5 is internally provided with a large-clearance bearing which has the advantages of low noise, long service life and the like and is convenient for noise reduction; the bottom of the screen 3 is provided with a connecting rod 10, two ends of the connecting rod 10 are fixedly arranged in the side wall 2, and the upper part of the connecting rod 10 is abutted against the bottom of the screen 3, so that the screen 3 is prevented from sagging and the sand screening effect is influenced; the belt pulley 4 is provided with a belt groove 41, so that a belt can be conveniently installed; the buffer spring 7 is a compression spring, the buffer spring 7 is made of a spring steel material with the trade mark of 60Si2Mn, and the spring steel is high in strength, good in elasticity, long in service life and convenient to use for a long time.
The utility model discloses a theory of operation is: when the vibration machine works, a motor is started, the motor drives a belt pulley 4 to rotate through a belt, the belt pulley 4 drives a vibration exciter 5 to vibrate through a rotating shaft, and the vibration exciter 5 is fixedly arranged on the side wall 2 of the screen box, so that the whole screen box vibrates along with the vibration exciter 5; at the moment, pouring agglomerated gravels to be screened onto the screen 3 in the screen box, wherein the vibration exciter 5 drives the screen box to generate huge vibration force, so that the agglomerated gravels to be screened on the screen 3 in the screen box are shattered, the gravels with smaller cracks fall onto the bottom plate 1 of the screen box through the screen 3, and the gravels without cracks are still left in the screen 3 and continue to vibrate along with the screen 3 until the gravels are shattered and fall onto the bottom plate 1; because the top of the screen box is covered with the dust cover 9, the dust can be prevented from being raised from the screen box, agglomerated gravels can be prevented from being popped out of the vibrating screen from the vibrating screen, and the screen box has the function of eliminating potential safety hazards.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (1)
1. The vibrating screen capable of breaking agglomerated gravel comprises a screen box, wherein the screen box consists of a bottom plate (1) and side walls (2), the side walls (2) are fixedly installed on two sides of the bottom plate (1) to form the screen box, a screen (3) is arranged in the screen box, is parallel to the bottom plate (1) and is positioned above the bottom plate (1), and two ends of the screen (3) are fixedly installed on the side walls (2) at two ends of the screen box; the vibration exciter (5) is arranged on the outer side of the screen box, the vibration exciter (5) is fixedly arranged outside the side wall (2), the belt pulley (4) is arranged on the outer side of the vibration exciter (5), the belt pulley (4) is connected to the vibration exciter (5) through a rotating shaft, and the belt pulley (4) is connected to the motor through a belt; the sieve box is characterized in that the top of the sieve box is covered with a dust cover (9), and two ends of the dust cover (9) are fixedly arranged on the tops of the side walls (2) at two ends of the sieve box;
the mounting plates (6) are symmetrically arranged outside the side walls (2), the mounting plates (6) are fixedly mounted on the outer sides of the side walls (2) at two ends of the screen box, the bottom of each mounting plate (6) is fixedly provided with a buffer spring (7), the bottom of each buffer spring (7) is fixedly provided with a base (8), and the screen box is mounted in a mine field through the bases (8);
a large-clearance bearing is adopted in the vibration exciter (5);
a connecting rod (10) is arranged at the bottom of the screen (3), two ends of the connecting rod (10) are fixedly installed in the side wall (2), and the upper part of the connecting rod (10) is abutted against the bottom of the screen (3);
a belt groove (41) is arranged on the belt pulley (4);
the buffer spring (7) is a compression spring, and the buffer spring (7) is made of a spring steel material with the trade mark of 60Si2 Mn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021594536.8U CN213967581U (en) | 2020-08-04 | 2020-08-04 | Vibrating screen capable of crushing agglomerated sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021594536.8U CN213967581U (en) | 2020-08-04 | 2020-08-04 | Vibrating screen capable of crushing agglomerated sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213967581U true CN213967581U (en) | 2021-08-17 |
Family
ID=77237786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021594536.8U Expired - Fee Related CN213967581U (en) | 2020-08-04 | 2020-08-04 | Vibrating screen capable of crushing agglomerated sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213967581U (en) |
-
2020
- 2020-08-04 CN CN202021594536.8U patent/CN213967581U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210817 |