CN114273014A - Gravel and sand grinding and screening device that building engineering used - Google Patents
Gravel and sand grinding and screening device that building engineering used Download PDFInfo
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- CN114273014A CN114273014A CN202111637065.3A CN202111637065A CN114273014A CN 114273014 A CN114273014 A CN 114273014A CN 202111637065 A CN202111637065 A CN 202111637065A CN 114273014 A CN114273014 A CN 114273014A
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Abstract
The invention relates to the technical field of constructional engineering, in particular to a sand and stone grinding and screening device for constructional engineering; according to the invention, the screening mechanism capable of adjusting the sizes of the sieve pores is arranged at the bottom of the treatment cavity, the worm is rotated through the adjusting handle, the worm drives the worm wheel to rotate, and further the arc-shaped rack drives the movable sieve plate to slide in the sliding cavity, so that the overlap ratio of the sieve pores of the fixed sieve plate and the movable sieve plate is changed, namely the sizes of the sieve pores are changed, and further the size of the screened finished product particles is changed; adopt servo motor to make the drive shaft take runner clockwise to rotate, be provided with arc expansion portion on the runner, arc expansion portion is close to with the semi-circular lower part of processing jar periodicity, and both interact effectively grinds gravel and sand.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a sand and stone grinding and screening device for constructional engineering.
Background
The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them.
The sand and stone are common building engineering materials, and are ground and sieved when in use, so that the sand and stone can meet the use requirement.
However, the existing sand and stone grinding and screening device has some problems that firstly, the size of a screen plate is fixed and is not easy to replace, so that only finished sand with a single size can be screened out; secondly, there is room for improvement in the grinding effect.
Therefore, the inventor designs a sand and stone grinding and screening device for constructional engineering, which is used for solving the problems.
Disclosure of Invention
Technical problem to be solved
The invention aims to overcome the defects in the prior art and provides a sand and stone grinding and screening device for constructional engineering.
(II) technical scheme
A sand and stone grinding and screening device for constructional engineering comprises a base, a support, a treatment tank, a feeding pipe and a discharging pipe, wherein the treatment tank is connected above the base through the support, the lower part of the treatment tank is semicircular, and the right side of the upper part of the treatment tank is connected with the feeding pipe; the bottom of the treatment tank is communicated with a discharge pipe, and a sieve plate mechanism is arranged at the communication position of the discharge pipe and the sieve plate mechanism, and the sieve plate mechanism can adjust the size of a sieve pore so as to change the size of a sieved finished product particle;
a grinding mechanism which rotates in one direction is arranged in the treatment tank and is used for grinding the sand falling into the treatment tank; the left side of the grinding mechanism is matched with a reciprocating component, the left lower part of the treatment tank is also provided with a vibration component, and the vibration component and the reciprocating component periodically collide with the left lower part of the treatment tank along with the rotation of the grinding mechanism.
Preferably, the grinding mechanism comprises a driving shaft, a first rotating wheel and an arc expansion part;
the driving shaft is rotatably arranged in the processing tank and is externally connected with a servo motor; the driving shaft and the semicircular lower part of the treatment tank are coaxial; be provided with the runner on the drive shaft, runner outer wall is provided with arc expansion portion, and arc expansion portion external diameter subassembly is along anticlockwise crescent and be provided with the sloping platform in the biggest department.
Preferably, the reciprocating assembly comprises a baffle plate, a first guide sleeve, a fixed frame, a movable rod and a first spring;
the baffle is transversely arranged, and the right end of the baffle is positioned in the treatment tank and attached to the outer wall of the first rotating wheel; the left end of the baffle extends out of the treatment tank, penetrates through the first guide sleeve and is connected with a longitudinal moving rod; the first guide sleeve is connected with the treatment tank through a fixing frame; a first spring is connected between the movable rod and the treatment tank.
Preferably, the first rotating wheel rotates clockwise, the arc expansion part is periodically close to the semicircular lower part of the treatment tank, and the sand and the stones are ground.
Preferably, the material vibrating component comprises a second guide sleeve, a push-pull rod, a mounting plate, a material vibrating head, a second spring and a pull rope;
the second guide sleeve is also connected to the fixed frame, the push-pull rod transversely penetrates through the second guide sleeve, the right end of the push-pull rod is connected with an arc-shaped mounting plate, and the left end of the push-pull rod is connected with the moving rod through a pull rope; a second spring is connected between the mounting plate and the fixed frame; the mounting panel is evenly provided with towards the one side of handling the jar and shakes the stub bar.
Preferably, the sieve plate mechanism comprises a fixed sieve plate, a movable sieve plate, sieve holes, an arc-shaped rack, a worm gear, a worm, a mounting seat and an adjusting handle;
the fixed sieve plate is arc-shaped and is fixedly arranged in an outlet at the bottom of the treatment tank; the movable sieve plate is positioned below the fixed sieve plate, is also arc-shaped and is arranged along the fixed sieve plate; the fixed sieve plate and the movable sieve plate are both uniformly provided with sieve pores;
the bottom of the treatment tank is provided with a sliding cavity, the movable sieve plate is positioned in the sliding cavity, and one end of the movable sieve plate is also connected with an arc-shaped rack; the sliding cavity is provided with an opening, the opening is provided with a worm gear, and the worm gear is meshed with the arc-shaped rack; the outer bottom of the treatment tank is also provided with a mounting seat, an adjusting handle is rotatably arranged on the mounting seat, the adjusting handle is connected with a worm, and the worm is meshed with the worm wheel.
Preferably, the worm and worm wheel are self-locking.
Optionally, the device further comprises a driven shaft, a second rotating wheel, a groove, a first driving wheel, a driving belt and a second driving wheel;
a cylindrical cavity is arranged in the middle section of the discharge pipe, a driven shaft is arranged in the cylindrical cavity coaxially and rotatably, a second rotating wheel is arranged on the driven shaft, and a groove is formed in the outer wall of the second rotating wheel; the driven shaft is also externally connected with a second driving wheel, the driving shaft is connected with a first driving wheel, and the first driving wheel is in transmission connection with the second driving wheel through a transmission belt.
Optionally, the device further comprises a fixing rod, a third guide sleeve, a lifting rod and an end head;
no. three uide bushings pass through the dead lever and connect blanking pipe upper segment inner wall, and the lifter vertically runs through No. three uide bushings, top and is provided with the end.
Optionally, the device further comprises a sealing plate, a longitudinal rod, a fixed seat, a sliding shaft, a moving block, a straight hole and a transverse rod;
the charging pipe is obliquely arranged at the left lower part and the right higher part and is connected with a hopper; the sealing plate longitudinally extends into the feeding pipe from the upper part, and the top end of the sealing plate is connected with a longitudinal rod; the longitudinal rod passes through a fixed seat connected to the outer wall of the treatment tank and is connected with a sliding shaft; the transverse rod is positioned above the treatment tank, the left end of the transverse rod is connected with the movable rod, and the right end of the transverse rod is connected with the movable block; the moving block is provided with a straight hole, and the sliding shaft extends into the straight hole and is matched with the straight hole.
(III) advantageous effects
The invention provides a sand and stone grinding and screening device for constructional engineering, which has the following advantages:
1, a screening mechanism capable of adjusting the sizes of screen holes is arranged at the bottom of a treatment cavity, a worm is rotated through an adjusting handle, the worm drives a worm wheel to rotate, and further an arc-shaped rack drives a movable screen plate to slide in a sliding cavity, so that the overlap ratio of the screen holes of a fixed screen plate and the movable screen plate is changed, namely the sizes of the screen holes are changed, and further finished product particles are screened;
2, a servo motor is adopted to drive a driving shaft to rotate a first rotating wheel clockwise, an arc-shaped expanding part is arranged on the first rotating wheel, the arc-shaped expanding part is periodically close to the semicircular lower part of the treatment tank, and the arc-shaped expanding part and the semicircular lower part of the treatment tank are interacted to effectively grind the sand and the stone;
3, a reciprocating assembly and a material vibrating assembly are further arranged, a baffle plate in the reciprocating assembly is pressed on the first rotating wheel to form a barrier, the first rotating wheel can be scraped, and gravel and sand wrapped by the first rotating wheel are blocked below the baffle plate; and the baffle cooperates with runner and arc expansion portion, and along with grinding mechanism rotates and periodically collides with the processing jar left lower part, makes gravel and sand produce vibrations and fast water conservancy diversion to screening subassembly and sieve.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the present invention and protect some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a block diagram of the present invention during grinding and screening;
FIG. 3 is an enlarged view of FIG. 1;
FIG. 4 is a block diagram of another embodiment of the present invention;
FIG. 5 is an enlarged view of FIG. 4;
fig. 6 is an enlarged view of fig. 4.
In the drawings, the components represented by the respective reference numerals are listed below:
101-base, 102-support, 103-treatment tank, 104-charging tube, 105-discharging tube, 106-cylindrical cavity, 107-sliding cavity, 108-opening;
2-grinding mechanism, 201-driving shaft, 202-first rotating wheel, 203-arc expansion part and 204-ramp;
3-reciprocating component, 301-baffle, 302-guide sleeve, 303-fixing frame, 304-moving rod, 305-spring;
4-vibration material component, 401-second guide sleeve, 402-push-pull rod, 403-mounting plate, 404-vibration material head, 405-second spring and 406-pull rope;
5-a sieve plate mechanism, 501-a fixed sieve plate, 502-a movable sieve plate, 503-a sieve hole, 504-an arc-shaped rack, 505-a worm wheel, 506-a worm, 507-a mounting seat and 508-an adjusting handle;
601-driven shaft, 602-second rotating wheel, 603-groove, 604-second driving wheel, 605-driving belt and 606-first driving wheel;
701-fixing rod, 702-third guide sleeve, 703-lifting rod and 704-end head;
801-sealing plate, 802-longitudinal rod, 803-fixing seat, 804-sliding shaft, 805-moving block, 806-straight hole and 807-transverse rod.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third," if any, 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" should be interpreted broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to the attached drawings, the sand grinding and screening device for the construction engineering comprises a base 101, a support 102, a treatment tank 103, a feeding pipe 104 and a discharging pipe 105, wherein the treatment tank 103 is connected above the base 101 through the support 102, the lower part of the treatment tank 103 is semicircular, and the right side of the upper part of the treatment tank 103 is connected with the feeding pipe 104; the bottom of the treatment tank 103 is communicated with a discharge pipe 105, a sieve plate mechanism 5 is arranged at the communication position of the two, and the sieve plate mechanism 5 can adjust the size of sieve holes 503 so as to change the size of the sieved finished product particles;
a grinding mechanism 2 which rotates in a single direction is arranged in the treatment tank 103 and is used for grinding the sand falling into the treatment tank 103; the left side of the grinding mechanism 2 is matched with a reciprocating component 3, the left lower part of the treatment tank 103 is also provided with a material vibrating component 4, and the material vibrating component 4 and the reciprocating component 3 periodically collide with the left lower part of the treatment tank 103 along with the rotation of the grinding mechanism 2.
Example 2
Referring to the attached drawings, the sand grinding and screening device for the construction engineering comprises a base 101, a support 102, a treatment tank 103, a feeding pipe 104 and a discharging pipe 105, wherein the treatment tank 103 is connected above the base 101 through the support 102, the lower part of the treatment tank 103 is semicircular, and the right side of the upper part of the treatment tank 103 is connected with the feeding pipe 104; the bottom of the treatment tank 103 is communicated with a discharge pipe 105, a sieve plate mechanism 5 is arranged at the communication position of the two, and the sieve plate mechanism 5 can adjust the size of sieve holes 503 so as to change the size of the sieved finished product particles;
a grinding mechanism 2 which rotates in a single direction is arranged in the treatment tank 103 and is used for grinding the sand falling into the treatment tank 103; the left side of the grinding mechanism 2 is matched with a reciprocating component 3, the left lower part of the treatment tank 103 is also provided with a material vibrating component 4, and the material vibrating component 4 and the reciprocating component 3 periodically collide with the left lower part of the treatment tank 103 along with the rotation of the grinding mechanism 2.
As shown in fig. 1, the grinding mechanism 2 includes a driving shaft 201, a first rotating wheel 202 and an arc-shaped expanding portion 203;
the driving shaft 201 is rotatably arranged in the processing tank 103 and externally connected with a servo motor; the driving shaft 201 is coaxial with the semicircular lower part of the treatment tank 103; a first rotating wheel 202 is mounted on a driving shaft 201, an arc expansion portion 203 is processed on the outer wall of the first rotating wheel 202, the outer diameter component of the arc expansion portion 203 is gradually increased along the anticlockwise direction, and a ramp 204 is arranged at the maximum position.
The reciprocating assembly 3 comprises a baffle plate 301, a first guide sleeve 302, a fixed frame 303, a movable rod 304 and a first spring 305;
the baffle 301 is transversely arranged, and the right end of the baffle is positioned in the treatment tank 103 and is attached to the outer wall of the first rotating wheel 202; the left end of the baffle plate 301 extends out of the treatment tank 103, penetrates through a first guide sleeve 302 and is connected with a longitudinal moving rod 304; the first guide sleeve 302 is connected with the treatment tank 103 through a fixing frame 303; a first spring 305 is also connected between the travel bar 304 and the treatment canister 103.
The material vibrating component 4 comprises a second guide sleeve 401, a push-pull rod 402, a mounting plate 403, a material vibrating head 404, a second spring 405 and a pull rope 406;
the second guide sleeve 401 is also connected to the fixed frame 303, the push-pull rod 402 transversely penetrates through the second guide sleeve 401, the right end of the push-pull rod is connected with an arc-shaped mounting plate 403, and the left end of the push-pull rod is connected with the movable rod 304 through a pull rope 406; a second spring 405 is connected between the mounting plate 403 and the fixing frame 303; the mounting plate 403 is uniformly provided with a seismic head 404 on the side facing the treatment tank 103.
As shown in fig. 3, the screen deck mechanism 5 includes a fixed screen deck 501, a movable screen deck 502, screen holes 503, an arc-shaped rack 504, a worm wheel 505, a worm 506, a mounting seat 507 and an adjusting handle 508;
the fixed sieve plate 501 is arc-shaped and is fixedly arranged in an outlet at the bottom of the treatment tank 103; the movable screen deck 502 is positioned below the fixed screen deck 501, is also arc-shaped and is arranged along the fixed screen deck 501; both the fixed sieve plate 501 and the movable sieve plate 502 are uniformly provided with sieve holes 503;
the bottom of the treatment tank 103 is provided with a sliding cavity 107, a movable sieve plate 502 is positioned in the sliding cavity 107, and one end of the movable sieve plate is also connected with an arc-shaped rack 504; the sliding cavity 107 is provided with an opening 108, the opening 108 is provided with a worm wheel 505, and the worm wheel 505 is meshed with the arc-shaped rack 504; the outer bottom of the treatment tank 103 is also connected with a mounting seat 507, an adjusting handle 508 is rotatably mounted on the mounting seat 507, a worm 506 is connected with the adjusting handle 508, and the worm 506 is meshed with the worm wheel 505.
Specifically, the worm 506 is rotated through the adjusting handle 508, so that the worm 506 drives the worm wheel 506 to rotate and further the arc-shaped rack 504 drives the movable sieve plate 502 to slide in the sliding cavity 107, thus the contact ratio of the sieve holes 503 of the fixed sieve plate 501 and the movable sieve plate 502 is changed, namely the size of the sieve holes 503 is changed, and the size of the sieved finished product particles is changed;
it should be noted that the worm 506 and the worm wheel 505 can be self-locked and remain stationary after adjustment, so as to ensure that the size of the sieve holes 503 is stable.
In this embodiment, the sand and stone to be treated is fed into the treatment tank 103 through the feeding pipe 104, and the sand and stone is naturally guided to the lower part of the treatment tank 103;
referring to fig. 1, the servo motor is driven to drive the driving shaft 201 to rotate clockwise with the first rotating wheel 202; referring to fig. 2, the arc-shaped expanding part 203 is periodically close to the semicircular lower part of the treatment tank 103, and the arc-shaped expanding part and the semicircular lower part of the treatment tank 103 are interacted to grind the sand; the ground sand and stone are discharged from a discharge pipe 105 through the screening of the screen plate assembly 5;
it should be noted that, the clockwise rotation of the first rotating wheel 202 will wrap part of the sand and stone around the left part of the mobile processing tank 103, and the baffle 301 will always abut against the outer wall of the first rotating wheel 202 under the action of the first spring 305, so as to form a barrier and scrape the first rotating wheel 202, and the sand and stone will be blocked under the baffle 301; referring to fig. 2, even if the arc-shaped expanding portion 203 contacts the baffle 301 as the first rotating wheel 202 rotates, the baffle 301 can move leftwards adaptively, and still keep blocking and scraping the wall;
as shown in fig. 1 and 2, after the arc-shaped expanding portion 203 acts on the baffle 301 along with the rotation of the first rotating wheel 202, the baffle 301 drives the moving rod 304 to move left, and the deformation of the first spring 305 gradually increases; the moving rod 304 pulls the push-pull rod 402 to drive the mounting plate 403 to be away from the treatment tank 103 through the pull rope 406, and the deformation of the second spring 405 is increased; the first rotating wheel 202 continues to rotate to enable the ramp 204 to reach the right end of the baffle 301, the right end of the baffle 301 suddenly loses support and moves rightwards rapidly to reset, so that the moving rod 304 moves rightwards and releases the pull rope 406, the mounting plate 403 moves rightwards under the action of the second spring 405, the vibrating head 404 collides with the left lower part of the treatment tank 103, and sand and stones in the position are vibrated and guided to the screening component 5 rapidly for screening;
the above-described operation is repeated periodically as the first wheel 202 rotates.
Example 3
On the basis of the above-described embodiments,
referring to fig. 4, the device further comprises a driven shaft 601, a second rotating wheel 602, a groove 603, a first driving wheel 606, a driving belt 605 and a second driving wheel 604;
a cylindrical cavity 106 is arranged in the middle section of the discharge pipe 105, a driven shaft 601 is coaxially and rotatably arranged in the cylindrical cavity 106, a second rotating wheel 602 is arranged on the driven shaft 601, and a groove 603 is formed in the outer wall of the second rotating wheel 602; the driven shaft 601 is further externally connected with a second driving wheel 604, the driving shaft 201 is connected with a first driving wheel 606, and the first driving wheel 606 and the second driving wheel 604 are in transmission connection through a transmission belt 605.
Specifically, the driving shaft 201 further drives the driven shaft 601 to drive the second rotating wheel 602 to synchronously rotate through the driving wheel and the driving belt, so that the groove 603 rotates along with the second rotating wheel 602, the material is received when the groove rotates to the upper side, and the material is discharged when the groove rotates to the lower side, and therefore intermittent material discharge is achieved.
In addition, referring to fig. 5, the device further includes a fixing rod 701, a third guide sleeve 702, a lifting rod 703 and a head 704;
the third guide sleeve 702 is connected with the inner wall of the upper section of the blanking pipe through a fixing rod 701, and a lifting rod 703 longitudinally penetrates through the third guide sleeve 702 and is provided with an end 704 at the top end.
The lifting rod 703 and the end head 704 move downwards depending on the self-weight, so that the bottom end is pressed on the outer wall of the second rotating wheel 602; when the groove 603 is matched with the lifting rod 703, the lifting rod 703 is at a low position, and the lifting rod 703 is periodically jacked up along with the rotation of the second rotating wheel 602, so that the end 704 collides with the sieve plate mechanism 5, and the screening of sand and stones is accelerated.
Example 4
On the basis of the above-described embodiments,
referring to fig. 6, the device further includes a sealing plate 801, a longitudinal rod 802, a fixing seat 803, a sliding shaft 804, a moving block 805, a linear hole 806 and a transverse rod 807;
the charging pipe 104 is arranged obliquely from left to right and is connected with a hopper (not shown); the sealing plate 801 longitudinally extends into the feeding pipe 104 from the upper part, and the top end is connected with a longitudinal rod 802; the longitudinal rod 802 passes through a fixed seat 803 connected to the outer wall of the treatment tank 103 and is connected with a sliding shaft 804; the transverse rod 807 is positioned above the processing tank 103, the left end is connected with the movable rod 304, and the right end is connected with the movable block 805; slide block 805 has a slotted hole 806, and slide shaft 804 extends into slotted hole 806 and mates with slotted hole 806.
The hopper is used for storing gravel and sand to be treated, and particularly, referring to fig. 4, when the baffle 301 does not act with the arc-shaped expanding part 203, a gap is reserved below the sealing plate 801 and is used for feeding the material into the treatment tank 103 through the feeding pipe 104; referring to the above embodiment, as the arc-shaped expanding portion 203 acts on the baffle 301, the baffle 301 drives the transverse rod 807 and the moving block 805 to move left through the moving rod 304, so that the longitudinal rod 802 drives the sealing plate 801 to move down to seal the feeding pipe 104 and stop feeding through the straight hole 806 and the sliding shaft 804, thereby realizing automatic intermittent feeding.
It should be noted that the above-mentioned electrical components are provided with power supplies and their control methods are prior art, and are explained here in order to avoid redundancy of description; and the present application is primarily intended to protect mechanical equipment, the control means and circuit connections will not be explained in detail herein.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A sand and stone grinding and screening device for constructional engineering comprises a base (101), a support (102), a treatment tank (103), a feeding pipe (104) and a discharging pipe (105), and is characterized in that the treatment tank (103) is connected above the base (101) through the support (102), the lower part of the treatment tank (103) is semicircular, and the right side of the upper part of the treatment tank is connected with the feeding pipe (104); the bottom of the treatment tank (103) is communicated with a discharge pipe (105), a sieve plate mechanism (5) is arranged at the communication position of the treatment tank and the discharge pipe, and the sieve plate mechanism (5) can adjust the size of a sieve hole (503) so as to change the size of the sieved finished product particles;
a grinding mechanism (2) which rotates in a single direction is arranged in the treatment tank (103) and is used for grinding the sand falling into the treatment tank (103); the left side of the grinding mechanism (2) is matched with a reciprocating assembly (3), the left lower part of the treatment tank (103) is also provided with a vibration assembly (4), and the vibration assembly (4) and the reciprocating assembly (3) periodically collide with the left lower part of the treatment tank (103) along with the rotation of the grinding mechanism (2).
2. A sand and stone grinding and screening device for building engineering according to claim 1, characterized in that the grinding mechanism (2) comprises a driving shaft (201), a first rotating wheel (202) and an arc expansion part (203);
the driving shaft (201) is rotatably arranged in the treatment tank (103) and externally connected with a servo motor; the driving shaft (201) and the semicircular lower part of the treatment tank (103) are coaxial; the driving shaft (201) is provided with a first rotating wheel (202), the outer wall of the first rotating wheel (202) is provided with an arc expansion part (203), and the outer diameter component of the arc expansion part (203) gradually increases along the anticlockwise direction and is provided with a ramp (204) at the maximum position.
3. A sand and stone grinding and screening device for building engineering according to claim 2, characterized in that the reciprocating assembly (3) comprises a baffle plate (301), a guide sleeve (302), a fixing frame (303), a moving rod (304) and a spring (305);
the baffle (301) is transversely arranged, and the right end of the baffle is positioned in the treatment tank (103) and attached to the outer wall of the first rotating wheel (202); the left end of the baffle (301) extends out of the treatment tank (103), penetrates through the first guide sleeve (302) and is connected with a longitudinal moving rod (304); the first guide sleeve (302) is connected with the treatment tank (103) through a fixing frame (303); a first spring (305) is also connected between the moving rod (304) and the treatment tank (103).
4. A sand and stone grinding and screening device for building engineering as claimed in claim 3, characterized in that the first rotating wheel (202) rotates clockwise, the arc expansion part (203) is periodically close to the semicircular lower part of the processing tank (103) to grind the sand and stone.
5. The sand and stone grinding and screening device for the building engineering as claimed in claim 4, wherein the vibration material component (4) comprises a second guide sleeve (401), a push-pull rod (402), a mounting plate (403), a vibration material head (404), a second spring (405) and a pull rope (406);
the second guide sleeve (401) is also connected to the fixed frame (303), the push-pull rod (402) transversely penetrates through the second guide sleeve (401), the right end of the push-pull rod is connected with an arc-shaped mounting plate (403), and the left end of the push-pull rod is connected with the moving rod (304) through a pull rope (406); a second spring (405) is connected between the mounting plate (403) and the fixing frame (303); and the mounting plate (403) is uniformly provided with a material vibrating head (404) on the surface facing the treatment tank (103).
6. A sand and stone grinding and screening device for building engineering according to claim 5, characterized in that the screen plate mechanism (5) comprises a fixed screen plate (501), a movable screen plate (502), screen holes (503), an arc-shaped rack (504), a worm gear (505), a worm (506), a mounting seat (507) and an adjusting handle (508);
the fixed sieve plate (501) is arc-shaped and is fixedly arranged in an outlet at the bottom of the treatment tank (103); the movable sieve plate (502) is positioned below the fixed sieve plate (501), is also arc-shaped and is arranged along the fixed sieve plate (501); the fixed sieve plate (501) and the movable sieve plate (502) are both uniformly provided with sieve holes (503);
the bottom of the treatment tank (103) is provided with a sliding cavity (107), the movable sieve plate (502) is positioned in the sliding cavity (107), and one end of the movable sieve plate is also connected with an arc-shaped rack (504); the sliding cavity (107) is provided with an opening (108), the opening (108) is provided with a worm gear (505), and the worm gear (505) is meshed with the arc-shaped rack (504); the outer bottom of the treatment tank (103) is further provided with a mounting seat (507), the mounting seat (507) is rotatably provided with an adjusting handle (508), the adjusting handle (508) is connected with a worm (506), and the worm (506) is meshed with a worm wheel (505).
7. A sand and stone grinding and screening device for building engineering according to claim 6, characterized in that the worm (506) and worm wheel (505) can be self-locking.
8. The gravel and sand grinding and screening device for the building engineering as claimed in claim 7, further comprising a driven shaft (601), a second rotating wheel (602), a groove (603), a first driving wheel (606), a driving belt (605) and a second driving wheel (604);
a cylindrical cavity (106) is arranged in the middle section of the discharge pipe (105), a driven shaft (601) is coaxially and rotatably arranged in the cylindrical cavity (106), a second rotating wheel (602) is arranged on the driven shaft (601), and a groove (603) is formed in the outer wall of the second rotating wheel (602); the driven shaft (601) is further externally connected with a second driving wheel (604), the driving shaft (201) is connected with a first driving wheel (606), and the first driving wheel (606) is in transmission connection with the second driving wheel (604) through a transmission belt (605).
9. The sand and stone grinding and screening device for the building engineering as claimed in claim 8, further comprising a fixing rod (701), a third guide sleeve (702), a lifting rod (703) and a head (704);
no. three uide bushing (702) is connected blanking pipe upper segment inner wall through dead lever (701), and lifter (703) vertically runs through No. three uide bushing (702), and the top is provided with end (704).
10. The gravel grinding and screening device for building engineering as claimed in claim 7, further comprising a sealing plate (801), a longitudinal rod (802), a fixed seat (803), a sliding shaft (804), a moving block (805), a straight hole (806) and a transverse rod (807);
the feeding pipe (104) is obliquely arranged in a left-low right-high place and is connected with a hopper; the sealing plate (801) longitudinally extends into the feeding pipe (104) from the upper part, and the top end of the sealing plate is connected with a longitudinal rod (802); the longitudinal rod (802) penetrates through a fixed seat (803) connected to the outer wall of the treatment tank (103) and is connected with a sliding shaft (804); the transverse rod (807) is positioned above the treatment tank (103), the left end of the transverse rod is connected with the movable rod (304), and the right end of the transverse rod is connected with the movable block (805); the moving block (805) is provided with a straight hole (806), and the sliding shaft (804) extends into the straight hole (806) and is matched with the straight hole (806).
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