Screening machine with adjustable screen opening degree

Abstract

The utility model discloses a powder screening machine capable of adjusting the opening degree of a screen mesh, and particularly relates to the technical field of powder screening machines, the powder screening machine comprises a base used for supporting, a material screening assembly is arranged on the base, the material screening assembly comprises a screen frame arranged at the top of the base, a sliding plate used for lifting is arranged at the top of the screen frame, and the sliding plate is arranged on the base. And a position-adjustable supporting frame is arranged at the top of the sliding plate. Compared with the prior art, through the arrangement of the screening assembly, the whole design is simple, the structure is reasonable, all the structures are correspondingly matched for use, the connecting plate is driven to move by rotating the lead screw, the elastic screen can be stretched when the connecting plate moves, and the function of adjusting the hole diameter of the elastic screen is achieved; when the ejector rod moves, the sliding plate and the supporting frame can be driven to move, angle adjustment is conducted through reciprocating of the extension rod, and therefore the function of shaking the sliding plate is achieved, materials on the elastic screen are screened, and the convenience during material screening is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder sieving machines, and more specifically, to a powder sieving machine with adjustable screen tension. Background Art

[0002] The powder sieving machine with adjustable screen tension is a mechanical device used for sieving granular materials and grading powders. It uses adjustable screen tension, which can flexibly adjust the screen tension according to the material characteristics and sieving requirements, thereby achieving grading and sieving of materials of different particle sizes. The powder sieving machine with adjustable screen tension is widely used in the material sieving and powder grading process in the food, chemical, pharmaceutical, mining and other industries.

[0003] Among them, it was found through searching that the utility model patent with patent application number CN202121631994.9 discloses a powder sifting machine with adjustable screen tightness, including a machine body, wherein the inner walls on opposite sides of the machine body are slidably connected with a horizontally arranged vibration frame, the bottoms of the inner walls on opposite sides of the vibration frame are provided with rectangular grooves, the inner walls on the tops of the two rectangular grooves are fixed with the same screen by bolts, the inner walls on opposite sides of one of the rectangular grooves are provided with a slide groove, and the inner walls on one side of the two slide grooves are slidably connected with a slider;

[0004] When the structure is in use, through the arranged adjusting rod, slider and tensioning roller, it can be achieved that before screening, the adjusting rod is rotated to drive the tensioning roller to move through the thread, so that the screen surface area of ​​the screen is reduced or increased, thereby adjusting the tightness of the screen, providing sufficient buffer when the material falls on the screen, and increasing the service life of the screen. However, the structure is not easy to adjust the aperture of the screen as needed when in use, resulting in low adaptability of the device during use, and it is also easy to cause blockage when screening materials. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a powder sifting machine with adjustable screen tension, aiming to solve the problems raised in the above-mentioned background technology.

[0006] The utility model is implemented in this way. The utility model provides the following technical solutions: a powder sieving machine with adjustable screen tension, comprising a base for support, on which a sieving material assembly is arranged;

[0007] The screening material assembly comprises a screening frame arranged on the top of the base, and a sliding plate for lifting is arranged on the top of the screening frame;

[0008] A position-adjustable support frame is arranged on the top of the slide, an elastic screen for screening materials is arranged in the support frame, a connecting plate slidably connected to the support frame is arranged at one end of the elastic screen, and a screw rod movably connected to the support frame is threadedly connected to the connecting plate.

[0009] It can be seen that in the above technical solution, the rotating screw drives the connecting plate to move, and when the connecting plate moves, the elastic screen will stretch, thereby achieving the function of adjusting the aperture of the elastic screen;

[0010] Optionally, in a possible embodiment, a motor mounted on a base is provided on one side of the screen frame, an extension rod is provided on the output end of the motor, traction rods are provided on both sides of the extension rod, a first slide groove is penetrated through the traction rod, a slider is slidably connected in the first slide groove, a push rod is movably connected to the outer side of the slider, a limit cylinder is slidably connected to the outer side of the push rod, the limit cylinder is provided on the screen frame, one end of the push rod extends to the slide plate and is detachably connected to the slide plate, a second slide groove for guiding the slide plate is provided on the top of the screen frame, guide rods for guiding are provided on both sides of the screw rod, the guide rods are installed on the slide plate, and the guide rods are slidably connected to the connecting plate;

[0011] It can be seen that in the above technical solution, the extension rod will drive the traction rod to move when the angle is adjusted. When the traction rod is moved, the first slide groove and the slider will rub against each other. The slider will push the top rod through the limit cylinder through the guidance of the first slide groove. When the top rod is moved, the slide plate and the support frame will be driven to move. The angle can be adjusted back and forth by the extension rod, thereby realizing the function of shaking the slide plate, screening the material on the elastic screen, and improving the convenience of screening.

[0012] Technical effects and advantages of the utility model:

[0013] By setting the screening material assembly, compared with the prior art, the overall design is simple and the structure is reasonable. Through the corresponding coordination of various structures, the connecting plate is driven to move by rotating the screw rod. When the connecting plate moves, the elastic screen will stretch, thereby realizing the function of adjusting the aperture of the elastic screen.

[0014] When the traction rod is displaced, the first slide groove and the sliding block rub against each other. The sliding block passes through the guidance of the first slide groove and pushes the top rod to displace through the limiting cylinder. When the top rod is displaced, the sliding plate and the supporting frame are driven to displace. The angle is adjusted reciprocatingly by the extension rod, thereby realizing the function of shaking the sliding plate, screening the material on the elastic screen, and improving the convenience of screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present disclosure, the following briefly introduces the drawings required to be used in some embodiments of the present disclosure. Obviously, the drawings described below are only drawings of some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present disclosure, the actual process of the method, the actual timing of the signal, etc.

[0016] Figure 1 It is the front view of the overall structure of the utility model.

[0017] Figure 2 It is a side view of the overall structure of the utility model.

[0018] Figure 3 It is a top view of the overall structure of the utility model.

[0019] Figure 4 It is a front view of the base, screen frame, extension rod and traction rod of the utility model.

[0020] Figure 5 It is a front view of the slide plate, support frame, connecting plate and elastic screen of the utility model.

[0021] The accompanying drawings are marked as follows: 1. base; 2. screen frame; 3. slide plate; 4. support frame; 5. elastic screen; 6. connecting plate; 7. screw rod; 8. guide rod; 9. motor; 10. extension rod; 11. traction rod; 12. first slide groove; 13. slider; 14. push rod; 15. limit cylinder; 16. second slide groove. 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] As attached Figure 1-5The powder sieving machine with adjustable screen tension shown in the figure has a sieving assembly arranged on the base 1, and drives the connecting plate 6 to move by rotating the screw rod 7. When the connecting plate 6 moves, the elastic screen 5 is stretched to achieve the function of adjusting the aperture of the elastic screen 5. When the traction rod 11 moves, the first slide groove 12 and the slider 13 rub against each other. The slider 13 pushes the push rod 14 to move through the limit cylinder 15 after being guided by the first slide groove 12. When the push rod 14 moves, it drives the slide plate 3 and the support frame 4 to move. The angle is adjusted back and forth by the extension rod 10, so as to achieve the function of shaking the slide plate 3, screen the material on the elastic screen 5, and improve the convenience of screening. The specific structure of the assembly is arranged as follows;

[0024] The screening material assembly comprises a screening frame 2 arranged on the top of a base 1, and a sliding plate 3 for lifting is arranged on the top of the screening frame 2;

[0025] A position-adjustable support frame 4 is arranged on the top of the slide 3, an elastic screen 5 for screening materials is arranged inside the support frame 4, a connecting plate 6 slidably connected to the support frame 4 is arranged at one end of the elastic screen 5, and a screw rod 7 movably connected to the support frame 4 is threadedly connected to the connecting plate 6.

[0026] A motor 9 mounted on the base 1 is provided on one side of the screen frame 2, an extension rod 10 is provided on the output end of the motor 9, and traction rods 11 are provided on both sides of the extension rod 10. A first slide groove 12 is penetrated through the traction rod 11, and a slider 13 is slidably connected in the first slide groove 12. A push rod 14 is movably connected to the outer side of the slider 13, and the outer side of the push rod 14 is slidably connected to a limiting cylinder 15, which is provided on the screen frame 2. One end of the push rod 14 extends to the slide plate 3 and is detachably connected to the slide plate 3. A second slide groove 16 for guiding the slide plate 3 is provided on the top of the screen frame 2, and guide rods 8 for guiding are provided on both sides of the screw rod 7. The guide rods 8 are installed on the slide plate 3, and the guide rods 8 are slidably connected to the connecting plate 6.

[0027] According to the above structure, when in use, the staff installs the device at a designated position. When the elastic screen 5 needs to be adjusted, the connecting plate 6 is driven to move by rotating the screw rod 7. When the connecting plate 6 moves, the elastic screen 5 is stretched, thereby achieving the function of adjusting the aperture of the elastic screen 5.

[0028] The motor 9 is used to start and drive the extension rod 10 for angle adjustment. The extension rod 10 will drive the traction rod 11 to move when the angle is adjusted. The first slide groove 12 and the slider 13 will rub against each other when the traction rod 11 moves. The slider 13 will push the push rod 14 to move through the limit cylinder 15 after being guided by the first slide groove 12. The push rod 14 will drive the slide plate 3 and the support frame 4 to move when it moves. The angle can be adjusted back and forth by the extension rod 10, so as to realize the function of shaking the slide plate 3, screen the material on the elastic screen 5, and improve the convenience of screening.

[0029] Different from the prior art, the present application discloses a powder screening machine with adjustable screen tension, which drives the connecting plate 6 to move by rotating the screw rod 7. When the connecting plate 6 is moved, the elastic screen 5 will be stretched to achieve the function of adjusting the aperture of the elastic screen 5. When the traction rod 11 is moved, the first slide groove 12 and the slider 13 will rub against each other. The slider 13 will push the push rod 14 to move through the limiting cylinder 15 after being guided by the first slide groove 12. When the push rod 14 is moved, it will drive the slide plate 3 and the support frame 4 to move. The angle can be adjusted back and forth by the extension rod 10, thereby achieving the function of shaking the slide plate 3, screening the material on the elastic screen 5, and improving the convenience of screening.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A powder sifting machine with adjustable screen tension, comprising a base (1) for support, characterized in that: A screening component is provided on the base (1); The screening material assembly comprises a screening frame (2) arranged on the top of the base (1), and a sliding plate (3) for lifting is arranged on the top of the screening frame (2); A position-adjustable support frame (4) is arranged on the top of the slide plate (3), an elastic screen (5) for screening materials is arranged inside the support frame (4), a connecting plate (6) slidably connected to the support frame (4) is arranged at one end of the elastic screen (5), and a screw rod (7) movably connected to the support frame (4) is threadedly connected to the connecting plate (6).

2. A powder sieving machine with adjustable screen tension according to claim 1, characterized in that: A motor (9) mounted on a base (1) is provided on one side of the screen frame (2), and an extension rod (10) is provided at the output end of the motor (9).

3. A powder sieving machine with adjustable screen tension according to claim 2, characterized in that: A traction rod (11) is provided on both sides of the extension rod (10), a first sliding groove (12) is penetrated through the traction rod (11), and a sliding block (13) is slidably connected in the first sliding groove (12).

4. A powder sifter with adjustable screen tension according to claim 3, characterized in that: The outer side of the sliding block (13) is movably connected to a push rod (14), and the outer side of the push rod (14) is slidably connected to a limiting cylinder (15), and the limiting cylinder (15) is arranged on the screen frame (2).

5. A powder sieving machine with adjustable screen tension according to claim 4, characterized in that: One end of the push rod (14) extends to the slide plate (3) and is detachably connected to the slide plate (3); a second slide groove (16) for guiding the slide plate (3) is provided on the top of the screen frame (2).

6. A powder sifter with adjustable screen tension according to claim 1, characterized in that: Guide rods (8) for guiding are arranged on both sides of the screw rod (7); the guide rods (8) are mounted on the slide plate (3); and the guide rods (8) are slidably connected to the connecting plate (6).

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