Vibration screening equipment with switchable vibration frequency

Abstract

The present invention discloses a vibration screening device with switchable vibration frequency, comprising a material receiving and storing seat, a bottom plate fixedly installed on one side of the material receiving and storing seat, a servo motor fixedly installed on the top of the bottom plate, a first roller fixedly installed on the output shaft of the servo motor, a fixed plate fixedly installed on the top of the bottom plate, and a first circular through hole opened on the fixed plate. The present invention realizes the function of mechanical vibration screening, and has two transmission chains. When it is necessary to screen materials with slightly larger specifications, the materials are placed on the material screen, and the first screw rod is manually tightened at this time, so that the fourth gear is meshed with the first gear, and the output shaft of the servo motor is controlled to rotate through the electronic control program, and the first conveyor belt is driven to rotate through the rotation of the output shaft of the servo motor, and the second roller is driven to rotate through the rotation of the first conveyor belt, which can achieve a certain acceleration effect, thereby increasing the swing frequency of the swing hammer and screening materials more efficiently.

Description

Technical Field

[0001] The invention relates to the field of industrial manufacturing, and in particular to a vibration screening device with switchable vibration frequency. Background Art

[0002] Vibrating screening equipment is a kind of screening equipment used for screening materials for industrial purposes.

[0003] In the prior art, most of the vibration screening equipment on the market do not have the function of switching vibration frequency, or the frequency adjustment of the motor is achieved through a frequency modulator, but this increases the cost and the technical difficulty accordingly. Therefore, we propose a vibration screening equipment with switchable vibration frequency. The equipment can adjust the vibration frequency according to different actual working conditions, and can achieve two frequencies of vibration with only a single power source during use. The design is simple and fast to operate, compact in structure, and highly practical. Summary of the invention

[0004] The purpose of the present application is to provide a vibration screening device with switchable vibration frequency to solve the problem of mechanically switching the vibration frequency.

[0005] Preferably, a bottom plate is fixedly installed on one side of the material receiving storage seat, a servo motor is fixedly installed on the top of the bottom plate, a first roller is fixedly installed on the output shaft of the servo motor, a fixing plate is fixedly installed on the top of the bottom plate, a first circular through hole is opened on the fixing plate, a rotating shaft is rotatably installed in the first circular through hole, a second roller is fixedly installed on one side of the rotating shaft, the second roller and the first roller are movably sleeved with the same first conveyor belt, a large roller is fixedly installed on one end of the rotating shaft, two slide rails are fixedly installed on the top of the bottom plate, two sliders are slidably installed on the two slide rails, a second circular through hole is opened in the middle and upper parts of the two sliders, a transmission shaft is rotatably installed in the two second circular through holes, and the two The ends of the transmission shafts that are away from each other are fixedly sleeved with the second gear, and the ends of the two transmission shafts that are close to each other are respectively fixedly sleeved with a small roller and a fourth roller, the small roller and the large roller are movably sleeved with the same second conveyor belt, the middle part of the rotating shaft is fixedly installed with the third roller, the one of the two sliding blocks that is away from the material screen is provided with a third circular through hole, the transmission shaft is rotatably installed in the third circular through hole, one end of the transmission shaft is fixedly installed with the fourth roller, the fourth roller and the third roller are movably sleeved with the same third conveyor belt, two fixed blocks are fixedly installed on the top of the bottom plate, two bearing seats are fixedly installed on the two fixed blocks, and the same vibration shaft is rotatably installed on the two bearing seats.

[0006] Preferably, a material taking plate is rotatably mounted on one side of the material receiving storage seat, and a pull ring is fixedly mounted on one side of the material taking plate.

[0007] Preferably, two side panels are fixedly mounted on the top of the material receiving storage seat.

[0008] Preferably, the same material screen is fixedly mounted on the top of the two side plates.

[0009] Preferably, an oscillating weight is fixedly mounted on the middle portion of the vibration shaft.

[0010] Preferably, a baffle is fixedly mounted on the bottom plate, and two threaded through holes are provided on the baffle, one of the two threaded through holes close to the material screen is threadedly connected and penetrated by a first screw rod, and one of the two threaded through holes far from the material screen is threadedly connected and penetrated by a second screw rod.

[0011] Preferably, one end of the two first screw rods is rotatably mounted on one side of the two sliding blocks respectively.

[0012] Preferably, the two transmission shafts are respectively fixedly mounted with a first gear and a second gear at one end away from each other.

[0013] Preferably, the same vibration shaft is rotatably mounted on both of the bearing seats.

[0014] Preferably, a third gear is fixedly mounted on one end of the vibration shaft, and a fourth gear is fixedly mounted on the other end of the vibration shaft.

[0015] In summary, the technical effects and advantages of the present invention are as follows:

[0016] 1. In the present invention, the vibration frequency can be switched. When the vibration frequency needs to be changed, the material is placed on the material screen. At this time, the first screw is manually tightened to make the fourth gear mesh with the first gear. The output shaft of the servo motor is controlled to rotate through the electronic control program. The first conveyor belt is driven to rotate by the rotation of the output shaft of the servo motor. The second roller is driven to rotate by the rotation of the first conveyor belt. A certain acceleration effect can be achieved, thereby increasing the swing frequency of the swing hammer, and then increasing the vibration frequency of the material screen. In industrial production, fine materials can be screened out more efficiently and the material quality can be improved.

[0017] 2. In the present invention, the mechanical transmission is stable. The rotation of the second roller drives the rotating shaft to rotate, the rotation of the rotating shaft drives the large roller to rotate, the second conveyor belt is driven to rotate by the rotation of the large roller, the small roller is driven to rotate by the rotation of the second conveyor belt, the rotating shaft is driven to rotate by the rotation of the small roller, the first gear is driven to rotate by the rotation of the rotating shaft, the fourth gear is driven to rotate by the rotation of the first gear, the swing hammer is driven to rotate by the rotation of the fourth gear, and the entire material screen is driven to vibrate by the vibration of the swing hammer. The transmission efficiency is high during the transmission process. The design structure is simple and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of a vibration screening device with switchable vibration frequency in an embodiment of the present application;

[0019] Figure 2 A schematic diagram of a three-dimensional structure of a vibration screening device with switchable vibration frequency in another perspective in an embodiment of the present application;

[0020] Figure 3 This is a schematic diagram of a top view of a vibration screening device with switchable vibration frequency in an embodiment of the present application;

[0021] Figure 4 for Figure 1 A schematic diagram of the enlarged structure of part A.

[0022] In the figure: 1. receiving material storage seat; 2. pull ring; 3. bottom plate; 4. side plate; 5. material screen; 6. servo motor; 7. swing hammer; 8. fixed plate; 9. rotating shaft; 10. second roller; 11. first conveyor belt; 12. large roller; 13. second conveyor belt; 14. fixed block; 15. first gear; 16. third conveyor belt; 17. small roller; 18. fourth roller; 19. transmission shaft; 20. second gear; 21. bearing seat; 22. third gear; 23. fourth gear; 24. slider; 25. slide rail; 26. second screw rod; 27. baffle; 28. first screw rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Example: Reference Figure 1-4The vibration screening equipment with switchable vibration frequency shown in the figure comprises a material receiving and storing seat 1, a bottom plate 3 is fixedly installed on one side of the material receiving and storing seat 1, a servo motor 6 is fixedly installed on the top of the bottom plate 3, a first roller is fixedly installed on the output shaft of the servo motor 6, a fixing plate 8 is fixedly installed on the top of the bottom plate 3, a first circular through hole is opened on the fixing plate 8, a rotating shaft 9 is rotatably installed in the first circular through hole, a second roller 10 is fixedly installed on one side of the rotating shaft 9, the second roller 10 and the first roller are movably sleeved with the same first conveyor belt 11, a large roller 12 is fixedly installed on one end of the rotating shaft 9, two slide rails 25 are fixedly installed on the top of the bottom plate 3, two sliders 24 are slidably installed on the two slide rails 25, a second circular through hole is opened in the middle and upper of the two sliders 24, a transmission shaft 19 is rotatably installed in the two second circular through holes, and the two transmission shafts 19 are mutually The ends away from each other are fixedly sleeved with a second gear 20, the ends of the two transmission shafts 19 close to each other are respectively fixedly sleeved with a small roller 17 and a fourth roller 18, the small roller 17 and the large roller 12 are movably sleeved with the same second conveyor belt 13, the middle part of the rotating shaft 9 is fixedly installed with a third roller, one of the two sliders 24 away from the material screen 5 is provided with a third circular through hole, the transmission shaft 19 is rotatably installed in the third circular through hole, one end of the transmission shaft 19 is fixedly installed with a fourth roller 18, the fourth roller 18 and the third roller are movably sleeved with the same third conveyor belt 16, two fixed blocks 14 are fixedly installed on the top of the bottom plate 3, two bearing seats 21 are fixedly installed on the two fixed blocks 14, the same vibration shaft is rotatably installed on the two bearing seats 21, and the vibration is transmitted to the entire equipment through the design of the bearing seat 21, thereby achieving the vibration effect of the equipment.

[0025] Furthermore, in the above scheme, a material taking plate is rotatably installed on one side of the material receiving seat 1, and a pull ring 2 is fixedly installed on one side of the material taking plate. The design of the material taking plate facilitates the taking of materials after vibration screening.

[0026] Furthermore, in the above scheme, two side plates 4 are fixedly installed on the top of the material receiving and storing seat 1, and the side plates 4 are supported by the material receiving and storing seat 1, and the material screen is supported by the side plates, and vibration transmission is achieved at the same time.

[0027] Furthermore, in the above solution, the same material screen 5 is fixedly installed on the top of the two side plates 4, and the material screening function is realized through the design of the material screen 5.

[0028] Furthermore, in the above solution, an oscillating weight 7 is fixedly installed at the middle part of the vibration shaft. Through the design of the oscillating weight 7, the eccentric structure can achieve a vibration effect during high-speed rotation.

[0029] Furthermore, in the above scheme, a baffle 27 is fixedly installed on the base plate 3, and two threaded through holes are provided on the baffle 27. One of the two threaded through holes close to the material screen 5 is screwed and penetrated by a first screw rod 28, and one of the two threaded through holes far from the material screen 5 is screwed and penetrated by a second screw rod 26. Through the design of the first screw rod 28 and the second screw rod 26, the position of the slider 24 can be adjusted, thereby achieving the effect of switching the transmission chain.

[0030] Furthermore, in the above solution, one end of the two first screw rods 28 is rotatably mounted on one side of the two sliders 24 respectively. Through the design of the sliders 24, the transmission of mechanical energy and the switching of the auxiliary transmission chain are realized.

[0031] Furthermore, in the above solution, the first gear 15 and the second gear 20 are fixedly mounted on the ends of the two transmission shafts 19 away from each other, and the transmission of mechanical energy is achieved through the design of the first gear 15 and the second gear 20.

[0032] Furthermore, in the above solution, the same vibration shaft is rotatably installed in the two bearing seats 21, and the effect of driving the swing hammer 7 to rotate is achieved through the design of the vibration shaft.

[0033] Furthermore, in the above scheme, a third gear 22 is fixedly mounted on one end of the vibration shaft, and a fourth gear 23 is fixedly mounted on the other end of the vibration shaft. Through the design of the two gears, the meshing gears are switched to achieve the effect of switching the transmission ratio.

[0034] Working principle of the present invention:

[0035] The vibration screening equipment with switchable vibration frequency can realize the screening function of materials, and can screen out materials of different specifications through vibrations of different frequencies. When it is necessary to screen materials of slightly larger specifications, the materials are placed on the material screen 5. At this time, the first screw rod 28 is manually tightened so that the fourth gear 23 is meshed with the first gear 15. The output shaft of the servo motor 6 is controlled to rotate through the electronic control program. The rotation of the output shaft of the servo motor 6 drives the first conveyor belt 11 to rotate, and the rotation of the first conveyor belt 11 drives the second roller 10 to rotate, which can achieve a certain acceleration effect. The rotation of the second roller 10 drives the rotating shaft 9 to rotate, and the rotation of the rotating shaft 9 drives the large roller 12 to rotate, and the rotation of the large roller 12 drives the second The conveyor belt 13 rotates, and the small roller 17 is driven to rotate by the rotation of the second conveyor belt 13, and the rotating shaft is driven to rotate by the rotation of the small roller 17, and the first gear 15 is driven to rotate by the rotation of the rotating shaft, and the fourth gear 23 is driven to rotate by the rotation of the first gear 15, and the swing hammer 7 is driven to rotate by the rotation of the fourth gear 23, and the material screen 5 is driven to vibrate by the rotation of the swing hammer 7. During the vibration of the material screen 5, the smaller-sized materials are screened to the lower layer. When the screening vibration frequency needs to be changed, the first screw 28 is manually loosened first to separate the first gear 15 and the fourth gear 23, and then the second screw 26 is manually tightened to make the second gear 20 mesh with the third gear 22, and finally the above steps are repeated. The design has a simple structure, easy operation, and strong practicality.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. 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 vibration screening device with switchable vibration frequency, comprising a material receiving and storing seat (1), characterized in that: A bottom plate (3) is fixedly mounted on one side of the material receiving storage seat (1), a servo motor (6) is fixedly mounted on the top of the bottom plate (3), a first roller is fixedly mounted on the output shaft of the servo motor (6), a fixed plate (8) is fixedly mounted on the top of the bottom plate (3), a first circular through hole is provided on the fixed plate (8), a rotating shaft (9) is rotatably mounted in the first circular through hole, a second roller (10) is fixedly mounted on one side of the rotating shaft (9), the second roller (10) and the first roller are movably sleeved with the same first conveyor belt (11), a large roller (12) is fixedly mounted on one end of the rotating shaft (9), two slide rails (25) are fixedly mounted on the top of the bottom plate (3), two sliders (24) are slidably mounted on the two slide rails (25), two sliders (24) are both provided with a second circular through hole, two transmission shafts (19) are rotatably mounted in the two second circular through holes, and the two transmission shafts (19) ) are fixedly sleeved with a second gear (20) at one end away from each other, and the ends of the two transmission shafts (19) that are close to each other are respectively fixedly sleeved with a small roller (17) and a fourth roller (18), and the small roller (17) and the large roller (12) are movably sleeved with the same second conveyor belt (13), and a third roller is fixedly installed at the middle part of the rotating shaft (9), and a third circular through hole is opened on one of the two sliding blocks (24) away from the receiving material storage seat (1), and a transmission shaft (19) is rotatably installed in the third circular through hole, and a fourth roller (18) is fixedly installed at one end of the transmission shaft (19), and the fourth roller (18) and the third roller are movably sleeved with the same third conveyor belt (16), and two fixed blocks (14) are fixedly installed on the top of the bottom plate (3), and two bearing seats (21) are fixedly installed on the two fixed blocks (14), and the same vibration shaft is rotatably installed on the two bearing seats (21); A baffle (27) is fixedly mounted on the bottom plate (3), and two threaded through holes are formed on the baffle (27), one of the two threaded through holes close to the material screen (5) is threadedly connected and penetrated by a first screw rod (28), and one of the two threaded through holes far from the material screen (5) is threadedly connected and penetrated by a second screw rod (26); One end of the two first screw rods (28) is rotatably mounted on one side of the two sliding blocks (24); A material taking plate is rotatably mounted on one side of the material receiving and storing seat (1), and a pull ring (2) is fixedly mounted on one side of the material taking plate.

2. A vibration screening device with switchable vibration frequency according to claim 1, characterized in that: Two side panels (4) are fixedly mounted on the top of the material receiving and storing seat (1).

3. A vibration screening device with switchable vibration frequency according to claim 2, characterized in that: The top ends of the two side plates (4) are both fixedly mounted with a same material screen (5).

4. The vibration screening device with switchable vibration frequency according to claim 1, characterized in that: A swinging weight (7) is fixedly mounted on the middle portion of the vibration shaft.

5. The vibration screening device with switchable vibration frequency according to claim 1, characterized in that: The two transmission shafts (19) are respectively fixedly mounted with a first gear (15) and a second gear (20) at ends away from each other.

6. The vibration screening device with switchable vibration frequency according to claim 1, characterized in that: The same vibration shaft is rotatably mounted in both of the two bearing seats (21).

7. A vibration screening device with switchable vibration frequency according to claim 6, characterized in that: A third gear (22) is fixedly mounted on one end of the vibration shaft, and a fourth gear (23) is fixedly mounted on the other end of the vibration shaft.

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