CN220919913U - Small sand screening machine - Google Patents

Abstract

The application discloses a small sand screening machine which comprises a frame body and a screen mesh arranged on the frame body, wherein the screen mesh comprises a fixed screen and a movable screen, the fixed screen is arranged on the frame body, the movable screen is connected to the fixed screen in a sliding manner, a strip-shaped screen hole is formed in the fixed screen, a screen wire is fixed on the movable screen, the screen wire is clung to one side of the fixed screen, and the screen wire divides the strip-shaped screen hole into a first screen hole and a second screen hole. The movable screen moves relatively to the fixed screen, the position of the screen wire is adjusted, the sizes of the first screen hole and the second screen hole are adjusted, and when the screen wire is positioned at two ends of the strip-shaped through hole, the material passing through the screen is maximum; when the screen wire is positioned in the middle of the strip-shaped through hole, the material passing through the screen is minimum. Through making the movable sieve take place relative movement for the fixed screen, realize adjusting the size of the hole of screen cloth under the condition that need not change the screen cloth, conveniently adjust, improved work efficiency.

Description

Small sand screening machine

Technical Field

The application relates to the field of sand screening equipment for building construction, in particular to a small sand screening machine.

Background

In construction engineering in the building industry, natural sand cannot be separated, coarse sand, medium sand and fine sand are contained in the natural sand, and whether coarse sand and fine sand contain large stones or mud block sundries and the like mostly, so that the large stones or mud block sundries need to be screened out in the use process of the sand.

In the existing design, screens are divided into different specifications according to the sizes of mesh holes, screens with different specifications are selected for a sand screening machine according to the particle sizes of required sand, when large-particle sand is required to be screened out, large-mesh screens are installed on the sand screening machine, and when fine-particle sand is required to be screened out, small-mesh screens are installed on the sand screening machine. If sand with different granularities is often needed, the sand net needs to be replaced back and forth, and the replacement is inconvenient and the operation efficiency is very affected.

Disclosure of utility model

In order to rapidly produce coarse sand and fine sand with different granularities and improve the operation efficiency, the application provides a small sand screening machine.

The application provides a small sand screening machine, which adopts the following technical scheme:

The utility model provides a small-size sand screening machine, includes the support body and locates screen cloth on the support body, the screen cloth includes fixed screen and removal sieve, the fixed screen install in on the support body, remove sieve sliding connection in on the fixed screen, be equipped with rectangular shape sieve mesh on the fixed screen, be provided with the screen line on the removal sieve, the screen line is hugged closely fixed screen one side, just the screen line will rectangular shape sieve mesh is cut apart into first sieve mesh and second sieve mesh.

By adopting the technical scheme, the movable screen moves relatively to the fixed screen, the position of the screen wire is adjusted, the sizes of the first screen hole and the second screen hole are adjusted, and when the screen wire is positioned at the two ends of the strip-shaped through holes, the material passing through the screen is the largest; when the screen wire is positioned in the middle of the strip-shaped through hole, the material passing through the screen is minimum. Through making the movable sieve take place relative movement for the fixed screen, realize adjusting the size of the hole of screen cloth under the condition that need not change the screen cloth, conveniently adjust, improved work efficiency.

Optionally, a sliding groove is formed in the fixed screen, a sliding block is arranged on the movable screen, and the sliding block is slidably arranged in the sliding groove.

Through adopting above-mentioned technical scheme, when the slider slides in the spout, the screen wire of connecting on the slider removes along with the slider, through the position of adjusting the slider in the spout, realizes adjusting the relative position of screen wire for rectangular shape through-hole.

Optionally, a screw rod is arranged on the sliding block in a penetrating way, the sliding block is in threaded fit with the screw rod, two ends of the screw rod are rotationally connected to the fixed screen, and an adjusting knob is arranged at one end of the screw rod.

Through adopting above-mentioned technical scheme, rotate adjust knob and drive the lead screw and rotate to drive slider round trip movement in the groove, finally realize adjusting the relative size of first sieve mesh and second sieve mesh through adjust knob realization.

Optionally, rotate on the slider and be connected with the clamping rod, be equipped with the joint groove on the fixed screen, including a plurality of joint positions and make the clamping rod remove the intercommunication groove to another joint position from a joint position in the joint groove, a plurality of joint positions are arranged along spout length direction, clamping rod joint is on the joint position, be equipped with the second elastic component in the spout, the one end of second elastic component with spout inner wall butt, the other end with slider butt.

Through adopting above-mentioned technical scheme, stir the clamping pole, make clamping pole joint on different joint positions, through clamping pole joint in different positions, realize adjusting the relative position that the slider is located the spout, finally realize adjusting the relative size of first sieve mesh and second sieve mesh.

Optionally, the support body includes base, installing frame and first elastic component, the installing frame slope sets up, first elastic component sets up a plurality ofly, the installing frame pass through a plurality of first elastic component connect in on the base, the screen cloth is installed on the installing frame.

Through adopting above-mentioned technical scheme, when the installing frame moved towards the base, first elastic component was compressed and is accumulated elastic potential energy, and when the installing frame moved away from the base, first elastic component released elastic potential energy, made vibrations can go on smoothly.

Optionally, the mounting frame is provided with a slot, the fixed screen is inserted in the slot, the mounting frame is provided with a locking screw for locking the screen, the locking screw is in threaded connection with the mounting frame, and one end of the locking screw is abutted to the screen.

Through adopting above-mentioned technical scheme, the one end of locking screw supports tightly to be fixed on the installing frame, when need carry out the dismouting to the screen cloth, only need unscrew locking screw can pull out the screen cloth from the slot, and the installation is more convenient with the change.

Optionally, a vibration generating device is installed on the installation frame, and the vibration generating device is installed below the screen.

Through adopting above-mentioned technical scheme, vibration generation device produces vibrations, gives installing frame and screen cloth with vibrations transmission, makes the material on the screen cloth by throwing fall the screen cloth again on, through constantly being thrown and fall, makes the material obtain the quick separation.

Optionally, a discharge hole is formed in the lower side of the mounting frame.

Through adopting above-mentioned technical scheme, the bulk material and the impurity of different through screen cloth undersize pass through the bin outlet and discharge in unison, make things convenient for the collection and the unified processing of follow-up bulk material and impurity.

Optionally, a collecting hopper is arranged on the frame body, and the collecting hopper is positioned below the screen.

Through adopting above-mentioned technical scheme, collect the material after the screen cloth is screened, unified discharge from the export of collecting hopper in unison, the follow-up use of convenient material after the screening.

In summary, the application has the following beneficial technical effects:

According to the application, the movable screen moves relatively to the fixed screen, the positions of the screen lines are adjusted, the sizes of the first screen holes and the second screen holes are adjusted, the holes of the screen are adjusted under the condition that the screen is not required to be replaced, the adjustment is convenient, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present application;

FIG. 2 is a schematic view showing the overall structure of a screen according to example 1 of the present application;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a cross-sectional view of the mounting frame and screen in example 1 of the present application;

Fig. 5 is an enlarged view at B in fig. 4;

FIG. 6 is a schematic view showing the overall structure of a screen according to example 2 of the present application;

fig. 7 is an enlarged view at C in fig. 6;

fig. 8 is an exploded view of the screen in example 2 of the present application.

Reference numerals illustrate:

1. A frame body; 2. a screen; 21. a fixed screen; 22. a moving screen; 3. strip-shaped sieve holes; 4. screening wires; 5. a first screen aperture; 6. a second screen aperture; 7. a chute; 8. a slide block; 9. a screw rod; 10. an adjustment knob; 11. a clamping rod; 12. a clamping groove; 121. a clamping position; 122. a communication groove; 13. a second elastic member; 14. a base; 15. a mounting frame; 16. a first elastic member; 17. a vibration generating device; 18. a discharge port; 19. a slot; 20. a locking screw; 23. and (5) collecting hoppers.

Detailed Description

The application is described in further detail below with reference to fig. 1-8.

Example 1

The embodiment of the application discloses a small sand screening machine, which comprises a frame body 1 and a screen 2 arranged on the frame body 1, wherein the screen 2 comprises a fixed screen 21 and a movable screen 22, the fixed screen 21 is arranged on the frame body 1, the movable screen 22 is connected onto the fixed screen 21 in a sliding manner, a strip-shaped screen hole 3 is formed in the fixed screen 21, a screen wire 4 is fixed on the movable screen 22, the screen wire 4 is tightly attached to one side of the fixed screen 21, and the strip-shaped screen hole 3 is divided into a first screen hole 5 and a second screen hole 6 by the screen wire 4.

The movable sieve 22 moves relatively to the fixed sieve 21, the positions of the sieve lines 4 are adjusted, and the sizes of the first sieve holes 5 and the second sieve holes 6 are adjusted, so that the second sieve holes 6 are correspondingly smaller when the first sieve holes 5 are larger, the materials passing through the first sieve holes 5 are the largest when the size of the first sieve holes 5 is close to the size of the first sieve holes 3, and the largest materials which can be screened by the screen 2 are the materials screened by the first sieve holes 5, and the holes of the screen 2 are the largest; when the first and second openings 5, 6 are of equal size, the openings of the screen 2 are at a minimum. Through making the movable sieve 22 take place relative movement for the fixed sieve 21, realize adjusting the size of the hole of screen cloth 2 under the condition that need not change screen cloth 2, conveniently adjust, improved work efficiency.

Referring to fig. 1, the frame body 1 includes a base 14, a mounting frame 15, and a first elastic member 16, wherein the mounting frame 15 is connected to the base 14 through a plurality of first elastic members 16, and one end of the first elastic member 16 is connected to the mounting frame 15, and the other end is connected to the base 14. In this embodiment, the mounting frame 15 is connected to the base 14 through four first elastic members 16, wherein two first elastic members 16 are shorter than the other two first elastic members 16, the shorter two first elastic members 16 are mounted on one side of the mounting frame 15, and the other two first elastic members 16 are mounted on the other side of the mounting frame 15, so that the mounting frame 15 is inclined to one side. In the present embodiment, the first elastic member 16 is a compression coil spring, and in other embodiments, the first elastic member may be another member such as a rubber spring that has a potential energy accumulated in the spring.

Referring to fig. 1, 4 and 5, a slot 19 is provided on the mounting frame 15, the screen 2 is inserted into the slot 19, a locking screw 20 is screwed on the mounting frame 15, after the screen 2 is inserted into the slot 19, the locking screw 20 is screwed down, one end of the locking screw 20 is abutted against the outer wall of the screen 2, and the screen 2 is fixed on the mounting frame 15. The fixed screen 21 has a plurality of specifications, and the sizes of the strip-shaped screen holes 3 on the fixed screen 21 of different specifications are different. When the granularity of the material exceeds the adjustment range of the screen wire 4, the material is solved by replacing the fixed screen 21 with a proper specification.

Referring to fig. 4 and 5, a sliding groove 7 is formed in a fixed screen 21, a sliding block 8 is arranged on a movable screen 22, the sliding block 8 is slidably arranged in the sliding groove 7, and the sliding block 8 slides in the sliding groove 7 to enable the movable screen 22 to move relative to the fixed screen 21, so that a screen wire 4 is driven to move relative to a strip-shaped screen hole 3, the sizes of a first screen hole 5 and a second screen hole 6 are adjusted, and the size of the screen hole on the screen 2 is adjusted. The sliding block 8 is penetrated with the screw rod 9, the screw rod 9 is in threaded connection with the sliding block 8, two ends of the screw rod 9 are rotationally connected to the fixed screen 21, one end of the screw rod 9 is fixedly provided with the adjusting knob 10, when the screw rod 9 is driven to rotate by rotating the adjusting knob 10, the sliding block 8 slides back and forth along the sliding groove 7, the position of the sliding block 8 in the sliding groove 7 is adjusted by rotating the adjusting knob 10, and therefore the position of the screen wire 4 relative to the strip-shaped screen hole 3 is adjusted.

Referring to fig. 1, a vibration generating device 17 is installed at the bottom of a mounting frame 15, and when the vibration generating device 17 emits vibration, the vibration is transmitted to a screen 2 through the mounting frame 15, and the screen 2 screens materials under the action of the vibration. The lower side of the mounting frame 15 is provided with a discharge opening 18, and the waste or impurities after screening are discharged through the discharge opening 18. The frame body 1 is fixedly connected with a collecting hopper 23, the collecting hopper 23 is positioned below the screen 2, and the outlet of the collecting hopper 23 is opposite to the discharge port 18. In this embodiment, the vibration generating device 17 is a vibration motor, and in other embodiments, the vibration generating device 17 may also be an eccentric wheel mounted on a motor shaft, so that the motor drives the eccentric wheel to rotate to generate vibration, or drives the mounting frame 15 to reciprocate through the motor and the curved link mechanism.

The implementation principle of the small sand screening machine provided by the embodiment of the application is as follows: according to the material granularity that needs to screen, select the screen cloth 2 that the size of a rectangular shape sieve mesh 3 is suitable, insert slot 19 in, screw up locking screw and lock screen cloth 2, make screen cloth 2 be fixed in on the installing frame 15, adjust knob 10, remove the relative position of screen 22 line for rectangular shape sieve mesh 3, realize adjusting the relative size of first sieve mesh 5 and second sieve mesh 6. After the adjustment is finished, the vibration motor is started to work, the materials to be screened are poured onto the screen 2 to be screened, the screened materials are screened off from the screen 2 and are uniformly collected through the collecting hopper 23 below the screen 2, and massive materials and impurities on the screen 2 are discharged from the discharge port 18. Checking the granularity of the materials screened out from the screen 2, judging whether the relative position of the screen wire 4 relative to the strip-shaped through holes is required to be adjusted according to the granularity of the actual undersize materials until the screen wire 4 is adjusted to a proper position.

Example 2

Referring to fig. 6 and 7, the difference between the present embodiment and embodiment 1 is that in the present embodiment, the screw rod 9 and the knob are not provided on the slider 8, but the clamping rod 11 is rotatably connected to the slider 8, the clamping groove 12 is opened on the fixed screen 21, the clamping groove 12 includes a plurality of clamping positions 121, and the communicating groove 122 for moving the clamping rod 11 from one clamping position 121 to another clamping position 121, the plurality of clamping positions 121 are uniformly distributed along the length direction of the chute 7, and the clamping rod 11 is clamped on one of the plurality of clamping positions 121. When the relative sizes of the first sieve mesh 5 and the second sieve mesh 6 on the screen 2 need to be adjusted, the moving sieve 22 is slightly pushed (pushed upwards in fig. 7) before the clamping rod 11 is rotated, so that the clamping rod is opposite to the communicating groove 122, the clamping rod 11 is rotated (rotated leftwards), the clamping rod 11 is rotated from the clamping position 121 to the communicating groove 122, at the moment, the clamping rod 11 can move along the length direction of the sliding groove 7 in the communicating groove 122, the sliding block 8 and the screen wire 4 are driven to slide along the length direction of the sliding groove 7, and when the screen wire 4 is adjusted to a proper position, the clamping rod 11 is rotated, so that the clamping rod 11 is clamped into the new clamping position 121 to be clamped and fixed. When the sliding block 8 slides, the screen wire 4 slides along the length direction of the sliding groove 7 along with the sliding block 8, so that the screen wire 4 is positioned at different positions of the strip-shaped screen holes 3, and the relative sizes of the first screen holes 5 and the second screen holes 6 are adjusted.

Referring to fig. 6 and 8, a second elastic member 13 is installed at one end of the slider 8, one end of the second elastic member 13 is connected to the slider 8, and the other end of the second elastic member is connected to the inner wall of the chute 7, and when the clamping rod 11 is clamped in the clamping position 121, the second elastic member 13 provides elastic force for the slider 8 at any time, so that the clamping rod 11 is always kept in the clamping position 121. In this embodiment, the second elastic member 13 is a compression coil spring, and in other embodiments, the second elastic member 13 may be an extension spring, a rubber spring, a gas spring, or other second elastic members 13 that can store elastic potential energy through deformation.

The rest of the points which are not described are substantially the same as in example 1 and will not be described here again.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (9)

1. The utility model provides a small-size sand screening machine, includes support body (1) and locates screen cloth (2) on support body (1), its characterized in that: the screen cloth (2) include fixed screen (21) and remove screen (22), fixed screen (21) install in on support body (1), remove screen (22) sliding connection in on fixed screen (21), be equipped with rectangular sieve mesh (3) on fixed screen (21), be provided with screen line (4) on removing screen (22), screen line (4) are hugged closely fixed screen (21) one side, just screen line (4) will rectangular sieve mesh (3) are cut apart into first sieve mesh (5) and second sieve mesh (6).

2. A small sand screening machine according to claim 1, characterized in that: the fixed screen (21) is provided with a chute (7), the movable screen (22) is provided with a sliding block (8), and the sliding block (8) is slidably arranged in the chute (7).

3. A compact sand screening machine as claimed in claim 2, wherein: the screw rod (9) is arranged on the sliding block (8) in a penetrating mode, the sliding block (8) is in threaded fit with the screw rod (9), two ends of the screw rod (9) are rotatably connected to the fixed screen (21), and one end of the screw rod (9) is provided with an adjusting knob (10).

4. A compact sand screening machine as claimed in claim 2, wherein: the utility model discloses a sliding block (8) is connected with clamping rod (11) in a rotating way, be equipped with joint groove (12) on fixed screen (21), including a plurality of joint position (121) and make clamping rod (11) remove to intercommunication groove (122) of another joint position (121) from joint position (121) in joint groove (12), a plurality of joint positions (121) are arranged along spout (7) length direction, clamping rod (11) joint is on joint position (121), be equipped with second elastic component (13) in spout (7), one end of second elastic component (13) with spout (7) inner wall butt, the other end with slider (8) butt.

5. A small sand screening machine according to any of claims 1-4, characterized in that: the frame body (1) comprises a base (14), a mounting frame (15) and first elastic pieces (16), wherein the first elastic pieces (16) are arranged in a plurality, the mounting frame (15) is connected to the base (14) through the first elastic pieces (16), and the screen (2) is mounted on the mounting frame (15).

6. The small sand screening machine of claim 5, wherein: the screen is characterized in that a slot (19) is formed in the mounting frame (15), the fixed screen (21) is inserted into the slot (19), a locking screw (20) used for locking the screen (2) is arranged on the mounting frame (15), the locking screw (20) is in threaded connection with the mounting frame (15), and one end of the locking screw (20) is abutted to the screen (2).

7. The small sand screening machine of claim 5, wherein: and a vibration generating device (17) is arranged on the mounting frame (15), and the vibration generating device (17) is arranged below the screen (2).

8. The small sand screening machine of claim 5, wherein: the installation frame (15) is obliquely arranged, and a discharge opening (18) is formed in the lower side of the installation frame (15).

9. The small sand screening machine of claim 5, wherein: the frame body (1) is provided with a collecting hopper (23), and the collecting hopper (23) is positioned below the screen (2).