Screening device

Abstract

The utility model belongs to the field of admixture processing, and particularly relates to a screening device which comprises a bottom plate, and the surface of the bottom plate is fixedly connected with the bottom end of a supporting frame. Due to the fact that the two ends of the connecting rod are rotationally connected with the eccentric shaft of the rotary disc and the bottom of the mounting plate respectively, and the supporting rod at the bottom of the screening way slides in the sliding way, the stability of the screening way during lifting is kept, and the screening way has the vibration effect. At the moment, raw materials in the material storage tank move to the position above the penetrating holes under the vibration effect to be screened, the screened materials fall into the material collecting tank, uniform discharging of the material storage tank is facilitated, and the screening efficiency of the device is improved; a flow guide plate slides to a proper position on the surface of the screening channel, bolts are screwed to enable the bottom ends of the bolts to abut against the inner sides of sliding grooves, and therefore the screening efficiency of the device is improved. The guide plate is fixed, an S-shaped channel is formed in the surface of the screen channel, the time of materials staying on the surface of the screen channel is prolonged, the position of the device is convenient to adjust, and the screening effect and adaptability of the device are improved.

Description

Technical Field

[0001] The utility model relates to the field of admixture processing, in particular to a screening device. Background Art

[0002] The composite admixture is optimized from ultrafine silica powder, high-activity mineral powder and a variety of high-performance admixtures. It has a high activity index. The addition of this enhanced mineral admixture can significantly improve the mechanical properties and durability of track slab concrete.

[0003] Due to factors such as the source and physical properties of admixtures, there will be certain deviations in the admixture effect, which needs to be considered in practical operations. Therefore, the raw materials need to be screened before processing the admixtures to reduce the deviation effects caused by factors such as physical properties;

[0004] It is not easy for existing screening devices to achieve the effect of automatic and uniform discharge and continuous screening, which may lead to reduced screening efficiency of the device. It is not easy for existing screening devices to conveniently adjust the position of device parts and increase the time that materials stay on the surface of the device, which may lead to reduced screening effect and adaptability of the device.

[0005] Therefore, a screening device is proposed to solve the above problems. Utility Model Content

[0006] In order to remedy the problems in the prior art, the utility model provides a screening device.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a screening device described in the utility model comprises a bottom plate, the surface of the bottom plate is fixedly connected to the bottom end of a support frame, the top of the support frame is fixedly connected to a material storage trough, the top surface of the bottom plate near the four corners is fixedly connected to a slideway, the inside of the slideway is slidably connected to a support rod, the top of the support rod is fixedly connected to a screen path, a plurality of through holes are evenly provided on the surface of the screen path, slide grooves are provided on both sides of the screen path, the surface of the bottom plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a rotating shaft, the inner side of the rotating shaft is fixedly connected to a turntable, and the outer side of the rotating shaft is rotatably connected to a base.

[0008] Preferably, guide plates are mounted on both sides of the screen channel, and bolts are threadedly engaged with the surfaces of the guide plates, and the inner sides of the bolts are pressed against the inner walls of the chute.

[0009] Preferably, the guide plates are distributed at staggered intervals on both sides of the sieve channel, and the guide plates are slidably connected to the sieve channel.

[0010] Preferably, a collection trough is placed on the top surface of the bottom plate, and the collection trough is arranged directly below the through hole.

[0011] Preferably, the surface of the turntable is located at the position of the eccentric shaft and is rotatably connected to one end of a connecting rod, and the other end of the connecting rod is rotatably connected to a mounting plate, and the mounting plate is fixedly connected to the bottom surface of the screen channel.

[0012] Preferably, the inner wall of the sieve path is slidably connected to the outer wall of the storage trough, and the bottom surface of the storage trough is parallel to the surface of the sieve path.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model drives the rotating shaft through the motor to rotate the turntable. Since the two ends of the connecting rod are respectively rotated to connect the eccentric shaft of the turntable and the bottom of the mounting plate, and the support rod at the bottom of the screen slides inside the slideway, the stability of the screen is maintained when the screen is lifted, so that the screen has a vibration effect. At this time, the raw materials in the storage tank move to the top of the perforation through the vibration to be screened, and the screened materials fall into the collecting tank, which is convenient for the storage tank to discharge materials evenly, thereby improving the screening efficiency of the device;

[0015] 2. The utility model slides the guide plate to a suitable position on the surface of the screen, tightens the bolts so that the bottom ends of the bolts are pressed against the inner side of the chute, fixes the guide plate, and forms an S-shaped channel on the surface of the screen, thereby increasing the time that the material stays on the surface of the screen, facilitating the adjustment of the position of the device, and improving the screening effect and adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the material storage tank structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the guide plate structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the screen path structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the slide structure of the utility model.

[0021] In the figure: 1. bottom plate; 2. support frame; 3. storage trough; 4. sieve channel; 5. perforation; 6. support rod; 7. slideway; 8. slideway; 9. guide plate; 10. bolt; 11. collection trough; 12. motor; 13. rotating shaft; 14. turntable; 15. connecting rod; 16. mounting plate; 17. base. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 As shown, a screening device comprises a bottom plate 1, the bottom end of a support frame 2 is fixedly connected to the surface of the bottom plate 1, a material storage trough 3 is fixedly connected to the top of the support frame 2, slideways 7 are fixedly connected to the top surface of the bottom plate 1 near the four corners, a support rod 6 is slidably connected to the inside of the slideway 7, a screen path 4 is fixedly connected to the top of the support rod 6, a plurality of through holes 5 are evenly provided on the surface of the screen path 4, slide grooves 8 are provided on both sides of the screen path 4, a motor 12 is fixedly connected to the surface of the bottom plate 1, a rotating shaft 13 is fixedly connected to the output end of the motor 12, a turntable 14 is fixedly connected to the inner side of the rotating shaft 13, and a base 17 is rotatably connected to the outer side of the rotating shaft 13;

[0024] Furthermore, guide plates 9 are mounted on both sides of the screen channel 4, and bolts 10 are threadedly matched on the surface of the guide plates 9, and the inner side of the bolts 10 is pressed against the inner wall of the chute 8;

[0025] During operation, the surface thread of the guide plate 9 is matched with the bolt 10, and the inner side of the bolt 10 is tightly pressed against the inner wall of the slide groove 8. The bolt 10 has a fixing and limiting effect on the guide plate 9, thereby improving the stability of the device.

[0026] Furthermore, the guide plates 9 are staggered and spaced on both sides of the screen path 4, and the guide plates 9 are slidably connected to the screen path 4;

[0027] During operation, the guide plates 9 are staggered and spaced on both sides of the screen path 4. The guide plates 9 are slidably connected to the screen path 4, so that an S-shaped channel is formed on the surface of the screen path 4, and the position of the guide plates 9 is easy to adjust.

[0028] Furthermore, a collection trough 11 is placed on the top surface of the bottom plate 1, and the collection trough 11 is arranged directly below the through hole 5;

[0029] During operation, the collecting trough 11 is arranged directly below the perforation 5 , so that the collecting trough 11 can collect the screened and filtered materials.

[0030] Furthermore, the surface of the turntable 14 is located at the position of the eccentric shaft and is rotatably connected to one end of a connecting rod 15, and the other end of the connecting rod 15 is rotatably connected to a mounting plate 16, and the mounting plate 16 is fixedly connected to the bottom surface of the screen path 4;

[0031] During operation, the two ends of the connecting rod 15 are used to respectively rotate the surface of the connecting turntable 14 and the structural design of the mounting plate 16 , and the mounting plate 16 is lifted and lowered by the rotation of the turntable 14 .

[0032] Furthermore, the inner wall of the sieve path 4 is slidably connected to the outer wall of the storage tank 3, and the bottom surface of the storage tank 3 is parallel to the surface of the sieve path 4;

[0033] During operation, the bottom surface of the material storage trough 3 is parallel to the surface of the screen path 4, and the inner wall of the screen path 4 is slidably connected to the outer wall of the material storage trough 3, so that the bottom end of the material storage trough 3 is evenly filled with materials when the screen path 4 slides up and down.

[0034] Working principle: first, pour an appropriate amount of raw materials into the storage trough 3, start the motor 12 through an external power supply, and the motor 12 drives the rotating shaft 13 to rotate the turntable 14. Because the two ends of the connecting rod 15 rotate the eccentric shaft of the connecting turntable 14 and the bottom of the mounting plate 16 respectively, and the support rod 6 at the bottom of the screen 4 slides inside the slide 7, the stability of the screen 4 is maintained when it is lifted and lowered, so that the screen 4 has a vibrating effect. At this time, the raw materials in the storage trough 3 move to the top of the perforation 5 through the vibration for screening, and the screened materials fall into the collecting trough 11. By sliding the guide plate 9 to a suitable position on the surface of the screen 4, tighten the bolt 10 so that the bottom end of the bolt 10 is pressed against the inner side of the slide 8, so that the guide plate 9 is fixed.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A screening device, comprising a bottom plate (1), characterized in that: The bottom end of the support frame (2) is fixedly connected to the surface of the bottom plate (1), the top of the support frame (2) is fixedly connected to the material storage trough (3), the top surface of the bottom plate (1) near the four corners is fixedly connected to the slideway (7), the inside of the slideway (7) is slidably connected to the support rod (6), the top of the support rod (6) is fixedly connected to the screen path (4), the surface of the screen path (4) is evenly provided with a plurality of through holes (5), both sides of the screen path (4) are provided with slide grooves (8), the surface of the bottom plate (1) is fixedly connected to the motor (12), the output end of the motor (12) is fixedly connected to the rotating shaft (13), the inner side of the rotating shaft (13) is fixedly connected to the rotating disk (14), and the outer side of the rotating shaft (13) is rotatably connected to the base (17).

2. A screening device according to claim 1, characterized in that: Guide plates (9) are mounted on both sides of the screen channel (4), and bolts (10) are threadedly engaged on the surfaces of the guide plates (9), with the inner sides of the bolts (10) pressing against the inner walls of the slide grooves (8).

3. A screening device according to claim 2, characterized in that: The guide plates (9) are distributed at staggered intervals on both sides of the screen path (4), and the guide plates (9) are slidably connected to the screen path (4).

4. A screening device according to claim 1, characterized in that: A material collecting trough (11) is placed on the top surface of the bottom plate (1), and the material collecting trough (11) is arranged directly below the through hole (5).

5. A screening device according to claim 1, characterized in that: The surface of the turntable (14) is located at the position of the eccentric shaft and is rotatably connected to one end of a connecting rod (15), and the other end of the connecting rod (15) is rotatably connected to a mounting plate (16), and the mounting plate (16) is fixedly connected to the bottom surface of the screen path (4).

6. A screening device according to claim 1, characterized in that: The inner wall of the sieve path (4) is slidably connected to the outer wall of the material storage trough (3), and the bottom surface of the material storage trough (3) is parallel to the surface of the sieve path (4).

Images