CN213194472U - Drum-type sand screening machine - Google Patents
Drum-type sand screening machine Download PDFInfo
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- CN213194472U CN213194472U CN202021994349.9U CN202021994349U CN213194472U CN 213194472 U CN213194472 U CN 213194472U CN 202021994349 U CN202021994349 U CN 202021994349U CN 213194472 U CN213194472 U CN 213194472U
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Abstract
The application relates to a drum-type sand screening machine, relates to the field of sand screening, and aims to solve the problem that dust is easy to raise in the process of screening sand by the conventional drum-type sand screening machine; the screen drum is obliquely arranged, and the support is provided with a driving motor for driving the screen drum to rotate; the lower end of the charging hopper is positioned at the opening position of the higher end of the screen drum; the conveying belt is obliquely arranged and is positioned at the lower side of the screen drum; a protective shell is fixedly connected to the support, the protective shell covers the outer side of the screen drum, and one end of the protective shell is communicated with the lower end of the charging hopper; the lower side of the side wall of the protective shell is provided with an opening, and two sides of the opening are positioned at the edge positions of two sides of the conveyor belt. This application has the effect of the raise dust that the in-process that sieves gravel and sand produced.
Description
Technical Field
The application relates to the field of gravel and sand screening, in particular to a drum-type sand screening machine.
Background
Concrete is a widely used material in modern building engineering, and is generally prepared by mixing various raw materials such as cement, sand, fine stones and coarse stones according to a certain proportion, wherein the fine stones and the coarse stones are clamped in the sand raw materials, the sand and blocks in the sand need to be screened before mixing, and a drum-type sand screening machine is a common device for screening sand.
The sand screening machine during rolling comprises a bracket arranged on the ground, a screen drum obliquely arranged on the bracket, a feeding hopper fixed on the bracket and a conveying belt arranged on the bracket; the screen drum is rotationally connected to the support, the lower end of the screen drum is positioned at the end part between the screen drum and the support, and the support is provided with a driving motor for driving the screen drum to rotate; the lower end opening of the charging hopper is aligned with the higher end of the screen drum; the conveying belt is arranged on the bracket, the conveying belt is obliquely arranged, and the lower part of the conveying belt is positioned at the lower side of the screen drum; when screening the sand raw materials, add the sand raw materials to the loading hopper in, the sand drops to a sieve section of thick bamboo, a sieve section of thick bamboo rotates for on the lateral wall of thinner sand section of thick bamboo sieve section of thick bamboo drop to the conveyer belt of downside, convey to the transportation equipment through conveyer belt well sand on or pile up the position department that confirms in advance, the stone in the sand raw materials etc. rolls to lower one side along a sieve section of thick bamboo lateral wall, rolls in the opening of a sieve section of thick bamboo one end, realizes the screening to the sand raw materials.
With respect to the related art in the above, the inventors consider that: in-process screening the sand raw materials, the sand raw materials rotates along with the rotation of a sieve section of thick bamboo, and on the conveyer belt of downside that drops to from the lateral wall of a sieve section of thick bamboo gradually, at the in-process of screening the sand raw materials, can produce more raise dust, the raise dust of production can exert an influence to staff's normal work on every side.
SUMMERY OF THE UTILITY MODEL
In order to reduce the raise dust that the in-process that sieves the sand raw materials produced, this application provides a drum-type sand screening machine.
The application provides a drum-type sand sieving machine adopts following technical scheme:
a drum-type sand screening machine comprises a support arranged on the ground, a screen drum rotationally connected to the support, a feeding hopper fixed on the support and a conveying belt arranged on the support; the screen drum is obliquely arranged, and the support is provided with a driving motor for driving the screen drum to rotate; the lower end of the charging hopper is positioned at the opening position of the higher end of the screen drum; the conveying belt is obliquely arranged and is positioned at the lower side of the screen drum; a protective shell is fixedly connected to the support, the protective shell covers the outer side of the screen drum, and one end of the protective shell is communicated with the lower end of the charging hopper; the lower side of the side wall of the protective shell is provided with an opening, and two sides of the opening are positioned at the edge positions of two sides of the conveyor belt.
Through adopting above-mentioned technical scheme, when screening sand raw materials, a sieve section of thick bamboo rotates and drives the sand raw materials and roll, establishes the protecting crust through covering in a sieve section of thick bamboo outside, reduces the phenomenon of raise dust outdiffusion, reduces the phenomenon that appears producing the influence to operational environment on every side, carries out the in-process of screening to the sand raw materials, is difficult to produce the influence to staff's normal working process on every side.
Preferably, a discharge part is fixedly connected to a position corresponding to the lower end of the screen cylinder on the protective shell, the discharge part comprises a connecting cover fixedly connected to the protective shell, and a discharge hole is formed in the lower side position of the end part of the connecting cover; the discharge chute is fixedly connected with the position of the outer side of the connecting cover corresponding to the discharge port.
Through adopting above-mentioned technical scheme, remaining stone etc. rolls to lower one end along the cylinder in the sieve section of thick bamboo, the stone rolls to the lower one end of sieve section of thick bamboo after, discharge to the connecting cover outside through the ejection of compact, through the connecting cover that sets up, can play certain barrier action to the raise dust in the protecting crust, reduce the phenomenon that the raise dust diffuses from the lower one end of sieve section of thick bamboo and appear, promote the effect of suppressing the elimination to the raise dust, through the blown down tank that sets up, make discharged material comparatively concentrated, reduce the phenomenon that the discharged material scatters and opens the great area, follow-up comparatively convenient is collected discharged material memorability.
Preferably, the protective shell is provided with a dust removal assembly, and the dust removal assembly comprises a ventilation piece connected to the protective shell, a fan arranged in the ventilation piece and a dust removal net arranged in the ventilation piece; the ventilation piece is of a cylindrical structure with two open ends, and one end of the ventilation piece is communicated with the inside of the protective shell; the fan is arranged at one end, far away from the protective shell, in the ventilation piece, and the air outlet end of the fan faces the direction far away from the protective shell; the dust removal net is positioned between the fan and the protective shell; the dust outlet is arranged at the lower side of the ventilation piece, is positioned at one side of the dust removal net towards the direction of the protective shell, and is attached to the dust removal net.
Through adopting above-mentioned technical scheme, at the in-process that screens the sand raw materials, take the raise dust in the protecting crust out through fan and ventilation piece, the raise dust is attached to the dust removal and is netted, later drops on the dust removal net, discharges through the play dirt mouth of ventilation piece downside, can be comparatively convenient clear away the raise dust in the protecting crust, advances one and promotes the effect of eliminating the raise dust.
Preferably, the ventilation part comprises a connecting pipe fixedly connected on the protective shell and an air outlet pipe hinged on the connecting pipe; a lock catch used for fixing the air outlet pipe is arranged between the air outlet pipe and the connecting pipe; the fan is positioned at one end of the air outlet pipe far away from the protective shell; the dust removal net is positioned at the end part of the connecting pipe facing the air outlet pipe.
Through adopting above-mentioned technical scheme, will go out the tuber pipe and open and close, can be comparatively convenient operate the net that removes dust, install the net that removes dust to and when using after a period need change the net that removes dust, it is comparatively convenient to operate, promotes the convenience of changing the net that removes dust.
Preferably, the air-out pipe is provided with towards the tip position department of connecting pipe and strikes the subassembly, strikes the subassembly including fixing mounting panel in the air-out pipe, rotate the pole of striking of connection on the mounting panel, rotate the cam of connection on the mounting panel and fix on the mounting panel and be used for driving cam pivoted and strike the motor, and the cam rotates and drives and strikes the pole and rotate, strikes the pole and rotates and beat the dust removal net.
Through adopting above-mentioned technical scheme, with the in-process that the raise dust in the protecting crust was taken out, beat the net that removes dust through strikeing the pole for remove dust and net the vibration, reduce the phenomenon that the net that removes dust is attached to and has too much dust appearing, reduce the phenomenon that causes the jam to the net that removes dust and appear, promote the air permeability of removing dust net, make the raise dust to in the protecting crust carry out absorbent effect better.
Preferably, the mounting plate is rotatably connected with a rotating shaft, and the knocking rod comprises a knocking part fixedly connected to the rotating column and a butting part fixedly connected to the knocking part; a torsion spring is arranged on the rotating shaft, and two ends of the torsion spring are respectively connected with the mounting plate and the bridging rod; the cam rotates and abuts against the abutting part to drive the knocking rod to rotate.
Through adopting above-mentioned technical scheme, when knocking the dust removal net, the cam rotates and butt portion butt, drives and beats the pole and rotate for beat portion and dust removal net separation, this in-process, it drives the torsional spring and rotates to beat the pole, and the torsional spring holds power, and the cam rotates to when the state with butt portion separation, beats the pole and rotates under the effect of the restoring force of torsional spring, makes butt portion beat the dust removal net, and the process of beating the dust removal net is comparatively convenient and stable.
Preferably, a rapping assembly is arranged in the protective shell and comprises an installation rod rotatably connected to the inner wall of the protective shell, a plurality of rapping columns fixedly connected to the installation rod and a rapping motor fixed to the inner wall of the protective shell and used for driving the installation rod to rotate.
Through adopting above-mentioned technical scheme, shake to a sieve section of thick bamboo, remain the phenomenon of sieve and dust in the sieve mesh on the reduction sieve section of thick bamboo, reduce the phenomenon that a sieve section of thick bamboo is blockked up, promote the stability of screening the process to the sand raw materials.
Preferably, the bracket is provided with a water spraying assembly, the water spraying assembly comprises a water pump fixed on the bracket, a nozzle fixed at the higher end of the conveyor belt and a water through pipe connected to the water outlet end of the water pump, and the other end of the water through pipe is connected with the nozzle.
Through adopting above-mentioned technical scheme, the sand conveys to the eminence through the conveyer belt and when falling, presses down the dirt through nozzle blowout water smoke, reduces the sand that the conveyer belt was thrown away and produces the phenomenon of raise dust, further promotes the effect of removing dust and fall the dust to this cylinder sand screening machine.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arranged protective shell, in the process of screening the sand raw material, the protective shell covers the screen drum in the inner part, so that the phenomenon that raised dust is spread outwards is reduced, the influence on the surrounding working environment is reduced, and the phenomenon that the influence is generated on the normal working process of surrounding workers is reduced;
2. through the arranged dust removal assembly, in the process of screening sand raw materials, the raised dust in the protective shell is extracted and attached to the dust removal net, the dust removal net is knocked through the knocking assembly, the phenomenon that the dust blocks the dust removal net is reduced, and the smoothness of the process of extracting the raised dust is improved;
3. through the water spray assembly who sets up, carry out the water smoke to the sand of conveying belt upper end, when the sand drops from the conveyer belt, reduce the phenomenon that the raise dust appears, further reduce the phenomenon that the job site produced the raise dust.
Drawings
FIG. 1 is a schematic structural view of a drum type sand screening machine;
fig. 2 is a schematic view made to show the structure of a rapping assembly;
FIG. 3 is a schematic structural view of a dust extraction assembly;
FIG. 4 is a schematic view of the air outlet pipe in an open state;
FIG. 5 is an enlarged schematic view of portion B of FIG. 3;
fig. 6 is an enlarged schematic view of a portion a in fig. 2.
Description of reference numerals: 1. a support; 11. a screen cylinder; 12. a hopper; 13. a conveyor belt; 14. a drive motor; 2. a protective shell; 3. discharging parts; 31. a connecting cover; 311. a discharge port; 32. a discharge chute; 4. a dust removal assembly; 41. a ventilation member; 411. a connecting pipe; 412. an air outlet pipe; 413. locking; 42. a fan; 43. a dust removal net; 44. a dust outlet; 5. a knocking component; 51. mounting a plate; 52. a knock bar; 521. a knocking portion; 522. an abutting portion; 53. a cam; 54. knocking the motor; 55. a rotating shaft; 56. a torsion spring; 6. a rapping assembly; 61. mounting a rod; 62. a rapping column; 63. vibrating a motor; 7. a water spray assembly; 71. a water pump; 72. a nozzle; 73. a water pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses drum-type sand screening machine. Referring to fig. 1 and 2, the drum type sand screening machine comprises a support 1 arranged on the ground, a screen drum 11 rotatably connected to the support 1, a hopper 12 fixed on the support 1 and a conveyor belt 13 arranged on the support 1; the screen drum 11 is obliquely arranged, and the support 1 is provided with a driving motor 14 for driving the screen drum 11 to rotate; the charging hopper 12 is positioned at the higher end of the screen drum 11, and the lower end of the screen drum 11 inclines towards the screen drum 11; the conveyor belt 13 is arranged obliquely, the oblique direction of the conveyor belt 13 is the same as that of the screen drum 11, and the lower section of the conveyor belt 13 is positioned at the lower side of the screen drum 11; adding sand raw materials into a feeding hopper 12, dropping the sand raw materials into a screen drum 11, screening the sand raw materials by rotating the screen drum 11, dropping the thinner sand onto a conveyer belt, and conveying the sand to a preset position; the stones in the sand raw materials roll down to the lower end of the screen drum 11, so that the sand raw materials are screened.
Referring to fig. 1 and 2, a protective shell 2 is fixed on a support 1, the protective shell 2 covers the outer side of a screen drum 11, and the higher end of the protective shell 2 is communicated with the lower end of a charging hopper 12; an opening is formed in the lower side of the side wall of the protective shell 2, and the two side walls of the opening are respectively located at the edge positions of the two sides of the conveyor belt 13.
When screening the sand raw materials, the sand that drops from the downside of a sieve section of thick bamboo 11 lateral wall drops to the drive belt, wherein have partial sand to throw away from the upside part of a sieve section of thick bamboo 11 lateral wall, this part sand collides protecting crust 2 on, along the lateral wall of protecting crust 2 to the downside landing, landing to conveyer belt 13 on, reduce the phenomenon that the sand was thrown away in the existence, reduce follow-up needs to carry out the work load of clearance around, reduce the phenomenon that has the raise dust to spread around, reduce the hardness to operational environment around.
Referring to fig. 1 and 2, a discharge member 3 is arranged at an end of the lower end of the screen drum 11 of the protective shell 2, the discharge member 3 includes a connecting cover 31 fixedly connected to the protective shell 2, a discharge hole 311 is formed at a lower side position of the connecting cover 31, and a discharge chute 32 is fixedly connected to a position of the discharge hole 311; discharge to the blown down tank 32 in the outside from discharge gate 311 in the stone in the cylinder, can be comparatively convenient discharge the stone, reduce to appear having the stone to drop to the accumulational phenomenon in protecting crust 2.
When screening the sand raw materials, the inside more raise dust that can produce of protecting crust 2 can go out the phenomenon that has partial raise dust to scatter out from the opening of protecting crust 2 downside and the position of discharge gate 311, for further promotion to the elimination effect of raise dust, this application carries out following setting.
Referring to fig. 3 and 4, the dust removing assembly 4 is arranged on the protective shell 2, and the dust removing assembly 4 comprises a ventilating member 41 connected to the protective shell 2, a fan 42 arranged in the ventilating member 41, and a dust removing net 43 installed in the ventilating member 41; the ventilating piece 41 is arranged on the side wall of the protective shell 2, the ventilating piece 41 is of a cylindrical structure with two open ends, and the opening at one end is communicated with the inside of the protective shell 2; the fan 42 is fixed at one end of the ventilation piece 41 far away from the protective shell 2, and the air outlet end of the fan 42 faces to the direction far away from the protective shell 2; the dust removing net 43 is fixed in the ventilating member 41, which is located between the fan 42 and the protective case 2; a dust outlet 44 is arranged at the lower side of the ventilating member 41, the dust outlet 44 is arranged at one side of the dust outlet net facing the protective shell 2, and the dust outlet 44 is attached to the dust removing net 43.
When the sand raw materials are sieved, the fan 42 is started to suck air to the outer side of the protective shell 2, the raised dust in the protective shell 2 is sucked into the ventilation part 41 and is blocked by the dust removal net 43, the raised dust is attached to the dust removal net 43 and then falls to the outer side of the ventilation part 41 from the dust outlet 44, and the elimination effect of the raised dust is improved.
Referring to fig. 3 and 4, the ventilation member 41 includes a connection pipe 411 fixedly connected to the protective casing 2 and an air outlet pipe 412 hinged to the connection pipe 411; a lock catch 413 for fixing the air outlet pipe 412 is arranged at the connecting position of the air outlet pipe 412 and the connecting pipe 411; the fan 42 is fixed at the end of the air outlet end, and the dust removing net 43 is fixed at one end of the connecting pipe 411 facing the air outlet pipe 412; the dust outlet 44 is located at the lower side of the sidewall of the connection pipe 411.
After using for a period of time, rotate out tuber pipe 412 and open it for dust removal net 43 exposes in the external world, can be comparatively convenient change dust removal net 43.
Referring to fig. 3 and 4, a rapping assembly 5 for rapping the dust-removing net 43 is arranged in the air outlet pipe 412; referring to fig. 3 and 5, the knocking assembly 5 is fixed at an end of the air outlet pipe 412 facing the connecting pipe 411, and the knocking assembly 5 includes a mounting plate 51 fixed in the air outlet pipe 412, a knocking rod 52 rotatably connected to the mounting plate 51, a cam 53 rotatably connected to the mounting plate 51, and a knocking motor 54 fixed on the mounting plate for driving the cam 53 to rotate; the mounting plate 51 is rotatably connected with a rotating shaft 55, the knocking rod 52 is fixedly connected with the rotating shaft 55, and the knocking rod 52 comprises a knocking part 521 fixedly connected with the rotating shaft 55 and an abutting part 522 fixedly connected with the knocking part 521; a torsion spring 56 is arranged on the rotating shaft 55, and two ends of the torsion spring 56 are respectively fixedly connected with the mounting plate 51 and the knocking rod 52; when the torsion spring 56 is in a natural state, the knocking portion 521 abuts against the dust removing net 43, so that the dust removing net 43 protrudes toward the protection case 2.
Referring to fig. 2 and 6, a rapping assembly 6 for rapping the screen cylinder 11 is arranged in the protective shell 2, and the rapping assembly 6 comprises an installation rod 61 rotatably connected to the inner wall of the protective shell 2, a plurality of rapping columns 62 fixed on the installation rod 61, and a rapping motor 63 fixed on the connection cover 31 for driving the installation rod 61 to rotate; the mounting rod 61 is arranged along the length direction of the screen drum 11, and two ends of the mounting rod 61 are respectively and rotatably connected to the connecting cover 31 and the bracket 1; the plurality of rapping columns 62 are arranged in a staggered manner, and during the rotation of the mounting rod 61, the plurality of rapping columns 62 in turn raps the screen cylinder 11.
In-process screening the sand raw materials, rapping motor 63 drives installation pole 61 and rotates, drives to strike the piece and strike on a sieve section of thick bamboo 11 lateral wall, shakes sieve section of thick bamboo 11 for the sand that remains on a sieve section of thick bamboo 11 lateral wall drops, reduces to have the sand to cause the phenomenon of jam to the hole of a sieve section of thick bamboo 11 lateral wall, promotes the stability of screening the sand raw materials.
Referring to fig. 1, a water spray assembly 7 is arranged on a bracket 1, and the water spray assembly 7 comprises a water pump 71 fixed on the bracket 1, a nozzle 72 fixed at the higher end of a conveyor belt 13, and a water pipe 73 connected between the nozzle 72 and the water pump 71; the water inlet end of the water pump 71 is communicated with a water source, the water pump 71 supplies water to the nozzle 72, the water is atomized through the nozzle 72 and then sprayed out, when sand drops from the upper end of the conveyor belt 13, the nozzle 72 sprays water mist to the sand, a good dust suppression effect can be achieved through the sprayed water mist, and dust at the high-end position of the conveyor belt 13 is reduced.
The implementation principle of drum-type screening sand machine of the embodiment of this application does: adding sand raw materials into a feeding hopper 12, dropping the sand raw materials into a screen drum 11 from a feeding port, rotating the screen drum 11 to screen the screen raw materials, dropping thinner sand onto a conveyor belt 13 on the lower side, conveying the sand upwards along the conveyor belt, conveying the screened sand onto a conveying device or a determined position, impacting the thrown sand onto a protective shell 2 in the rotating process of the screen drum 11, and then sliding the sand onto the conveyor belt 13 along the interior of the protective shell 2; the stones remained in the screen drum 11 roll down to the lower side along the screen drum 11, and then are discharged from the discharging groove 32; the screen drum 11 is vibrated by the vibration component, so that the screen drum 11 vibrates, the phenomenon of blockage in the screen holes in the screen drum 11 is reduced, and the stability of screening the sand raw material is improved; carry out the in-process of screening, open fan 42, to 2 outside convulsions of protecting crust, inhale the connecting pipe 411 with the raise dust that produces in the protecting crust 2, the raise dust is attached to on dust removal net 43, later drop to the connecting pipe 411 outside through going out the dirt hole, and simultaneously, strike pole 52 and strike dust removal net 43 through knocking, make dust removal net 43 vibrate, the reduction has dust to attach to and cause the phenomenon of jam on dust removal net 43, reduce the phenomenon that the present raise dust scatters to the 2 outsides of protecting crust, promote the dust removal effect.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A drum-type sand screening machine which characterized in that: comprises a bracket (1) arranged on the ground, a screen drum (11) rotationally connected to the bracket (1), a charging hopper (12) fixed on the bracket (1) and a conveyor belt (13) arranged on the bracket (1); the screen drum (11) is obliquely arranged, and the support (1) is provided with a driving motor (14) for driving the screen drum (11) to rotate; the lower end of the charging hopper (12) is positioned at the opening position of the higher end of the screen drum (11); the conveyor belt (13) is obliquely arranged, and the conveyor belt (13) is positioned on the lower side of the screen drum (11); a protective shell (2) is fixedly connected to the support (1), the protective shell (2) covers the outer side of the screen drum (11), and one end of the protective shell (2) is communicated with the lower end of the feeding hopper (12); an opening is formed in the lower side of the side wall of the protective shell (2), and two sides of the opening are located at the edge positions of two sides of the conveyor belt (13).
2. A roller type sand screen as claimed in claim 1, wherein: a discharge part (3) is fixedly connected to the corresponding position of the lower end of the protective shell (2) and the screen drum (11), the discharge part (3) comprises a connecting cover (31) fixedly connected to the protective shell (2), and a discharge hole (311) is formed in the lower side position of the end part of the connecting cover (31); a discharge chute (32) is fixedly connected at the position of the outer side of the connecting cover (31) corresponding to the discharge hole (311).
3. A roller type sand screen as claimed in claim 1, wherein: the dust removal assembly (4) is arranged on the protective shell (2), and the dust removal assembly (4) comprises a ventilation piece (41) connected to the protective shell (2), a fan (42) arranged in the ventilation piece (41) and a dust removal net (43) arranged in the ventilation piece (41); the ventilation piece (41) is of a cylindrical structure with two open ends, and one end of the ventilation piece (41) is communicated with the inside of the protective shell (2); the fan (42) is arranged at one end, far away from the protective shell (2), of the ventilating piece (41), and the air outlet end of the fan (42) faces the direction far away from the protective shell (2); the dust removing net (43) is positioned between the fan (42) and the protective shell (2); a dust outlet (44) is formed in the lower side of the ventilating piece (41), the dust outlet (44) is located on one side, facing the direction of the protective shell (2), of the dust removing net (43), and the dust outlet (44) is attached to the dust removing net (43).
4. A roller type sand screen as claimed in claim 3, wherein: the ventilation part (41) comprises a connecting pipe (411) fixedly connected on the protective shell (2) and an air outlet pipe (412) hinged on the connecting pipe (411); a lock catch (413) used for fixing the air outlet pipe (412) is arranged between the air outlet pipe (412) and the connecting pipe (411); the fan (42) is positioned at one end of the air outlet pipe (412) far away from the protective shell (2); the dust removing net (43) is positioned at the end part of the connecting pipe (411) facing the air outlet pipe (412).
5. A roller type sand screen as claimed in claim 3, wherein: go out tuber pipe (412) and be provided with towards the tip position department of connecting pipe (411) and strike subassembly (5), strike subassembly (5) including fixing mounting panel (51) in tuber pipe (412), rotate knocking rod (52) of connecting on mounting panel (51), rotate cam (53) of connecting on mounting panel (51) and fix on mounting panel (51) and be used for driving cam (53) pivoted to strike motor (54), cam (53) rotate and drive and strike rod (52) and rotate, strike rod (52) and rotate and strike dust removal net (43).
6. A roller type sand screen as claimed in claim 5, wherein: the mounting plate (51) is rotatably connected with a rotating shaft (55), and the knocking rod (52) comprises a knocking part (521) fixedly connected to the rotating column and an abutting part (522) fixedly connected to the knocking part (521); a torsion spring (56) is arranged on the rotating shaft (55), and two ends of the torsion spring (56) are respectively connected with the mounting plate (51) and the bridging rod; the cam (53) rotates and abuts against the abutting part (522) to drive the knocking rod (52) to rotate.
7. A roller type sand screen as claimed in claim 1, wherein: a rapping assembly (6) is arranged in the protective shell (2), and the rapping assembly (6) comprises an installation rod (61) which is rotatably connected to the inner wall of the protective shell (2), a plurality of rapping columns (62) which are fixedly connected to the installation rod (61) and a rapping motor (63) which is fixed to the inner wall of the protective shell (2) and is used for driving the installation rod (61) to rotate.
8. A roller type sand screen as claimed in claim 1, wherein: the water spraying component (7) is arranged on the support (1), the water spraying component (7) comprises a water pump (71) fixed on the support (1), a nozzle (72) fixed at the higher end of the conveyor belt (13) and a water through pipe (73) connected to the water outlet end of the water pump (71), and the other end of the water through pipe (73) is connected with the nozzle (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021994349.9U CN213194472U (en) | 2020-09-12 | 2020-09-12 | Drum-type sand screening machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021994349.9U CN213194472U (en) | 2020-09-12 | 2020-09-12 | Drum-type sand screening machine |
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| CN213194472U true CN213194472U (en) | 2021-05-14 |
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| CN202021994349.9U Active CN213194472U (en) | 2020-09-12 | 2020-09-12 | Drum-type sand screening machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011708A (en) * | 2021-11-17 | 2022-02-08 | 安徽亚珠金刚石股份有限公司 | Artificial single crystal diamond grading screening device and working method thereof |
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2020
- 2020-09-12 CN CN202021994349.9U patent/CN213194472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011708A (en) * | 2021-11-17 | 2022-02-08 | 安徽亚珠金刚石股份有限公司 | Artificial single crystal diamond grading screening device and working method thereof |
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