Multi-stage screening device for cottonseed protein production

Abstract

The utility model provides a multi-stage screening device for cottonseed protein production, and relates to the technical field of cottonseed protein production equipment.The multi-stage screening device comprises a frame, a drum screen is arranged on the upper portion of the frame, a swing frame is arranged on the lower portion of the frame, a vibrating screen is arranged on the swing frame, and an arc-shaped filter screen is arranged in the middle of the frame screen; and a hammering mechanism is arranged on the drum screen and collides with the filter screen. According to the cotton seed screening device, cotton seed materials pass through the coarse screen of the drum screen, enter the filter screen for secondary screening and finally fall into the vibrating screen for tertiary screening, the vibrating screen is driven by the swing frame to swing in a reciprocating mode, the materials move back and forth on the vibrating screen, and therefore the screening time is independently adjusted, fine screening is achieved, and the screening effect is ensured; and the first two screening devices share power, so that the structure is more compact, and the occupied area is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of cottonseed protein production equipment, in particular to a multi-stage screening device for cottonseed protein production. BACKGROUND

[0002] Cottonseed protein is a high-protein product prepared from cottonseed by dehairing, shelling, one-time oil immersion at low temperature, draining and removal of toxic substances gossypol. The existing equipment cannot well remove the residual cottonseed kernels in the shell, resulting in a high kernel content in the shell.

[0003] To this end, Chinese Patent Application No. CN202020700108.2 discloses a multi-stage screening device for cottonseed protein production, which mainly removes the residual cottonseed kernels in the cottonseed shell through two-stage screening to reduce the loss of cottonseed kernels in the processing process.

[0004] However, the present inventors have found that the above-mentioned technology has at least the following technical problems in the process of implementing the technical solutions in the embodiments of the present application:

[0005] 1. The above-mentioned scheme adopts a two-stage screening device in series to realize multi-stage screening, which occupies a large area;

[0006] 2. The material passes through the two-stage screening at one time, and the effect cannot be guaranteed by prolonging the screening time. SUMMARY

[0007] In order to overcome the existing deficiencies, the embodiments of the present application provide a multi-stage screening device for cottonseed protein production, which can solve the problems mentioned in the background.

[0008] The technical scheme adopted by the embodiments of the present application to solve the technical problems is: a multi-stage screening device for cottonseed protein production, comprising a frame, a drum screen is arranged on the upper part of the frame, a swing frame is arranged on the lower part of the frame, a vibrating screen is arranged on the swing frame, an arc-shaped filter screen is arranged in the middle of the frame screen, and a hammering mechanism is arranged on the drum screen and collides with the filter screen.

[0009] In a specific embodiment, the drum screen comprises a rotating wheel and a screen cylinder, the rotating wheel is rotatably connected with the frame, and the screen cylinder rotates on the rotating wheel.

[0010] In a specific embodiment, the drum screen further comprises a motor and a feeding groove, the motor is installed on the frame, the output end of the motor is connected with the rotating wheel shaft, the feeding groove is fixedly connected with the frame, and the lower end of the feeding groove extends into the screen cylinder.

[0011] In a specific embodiment, the hammering mechanism comprises a mounting ring, a spring and a receiving seat, the mounting ring is mounted on the screen cylinder, one end of the spring is fixedly arranged on the mounting ring, the other end of the spring is fixedly connected with a spherical hammer head, the receiving seat is mounted on the filter screen, and the hammer head collides with the receiving seat.

[0012] In a specific embodiment, the vibrating screen comprises a screen hopper, and a vibrating motor is mounted on the screen hopper.

[0013] In a specific embodiment, one side of the screen hopper is provided with a hopper door, and a spring pin is connected with the hopper door pin.

[0014] In a specific embodiment, the rocking frame comprises two horizontal rods, both of which are rotationally connected with the screen hopper, and one end of one of the horizontal rods is fixedly connected with the buffer seat, the buffer seat is slidably connected with the frame, and a tension spring is arranged between the buffer seat and the frame.

[0015] In a specific embodiment, the other end of the other horizontal rod is connected with a gas cylinder, the other end of the gas cylinder is hingedly connected with the frame, and the outlet of the filter screen is close to one end of the tension spring.

[0016] The advantages of the embodiments of the present application are as follows:

[0017] The cottonseed material is coarsely screened by the roller screen, then is secondarily screened by the filter screen, and finally is thirdly screened by the vibrating screen. The rocking frame is used to drive the vibrating screen to reciprocatingly rock, so that the material moves back and forth on the vibrating screen, thereby independently adjusting the screening time, realizing fine screening, ensuring the screening effect, and sharing the power by the first two screens, so that the structure is more compact, thereby reducing the floor area. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A first-view structural schematic diagram of the multi-stage screening device for cottonseed protein production is provided for the embodiments of the present application.

[0019] Figure 2 A second-view structural schematic diagram of the multi-stage screening device for cottonseed protein production is provided for the embodiments of the present application.

[0020] Figure 3 A third-view structural schematic diagram of the multi-stage screening device for cottonseed protein production is provided for the embodiments of the present application. Figure 2 A local enlarged structural schematic diagram of position A in FIG. 4 is provided for the embodiments of the present application.

[0021] Figure 4 A third-view structural schematic diagram of the multi-stage screening device for cottonseed protein production is provided for the embodiments of the present application.

[0022] Figure 5A schematic view of a structure of a vibrating screen and a cross bar connection relationship provided for an embodiment of the present application is shown in the figure.

[0023] Figure 6 A schematic view of a structure of a vibrating screen provided for an embodiment of the present application is shown in the figure. Figure 4 A schematic view of a local enlarged structure at B is shown in the figure.

[0024] In the figure: 10-frame; 20-tumbler screen; 21-rotating wheel; 22-sieve cylinder; 23-motor; 24-feeding groove; 30-rocking frame; 31-cross bar; 32-buffer seat; 33-tension spring; 34-air cylinder; 40-vibrating screen; 41-sieve hopper; 42-vibration motor; 43-hopper door; 44-spring pin; 50-filter screen; 60-hammering mechanism; 61-mounting ring; 62-spring; 63-hammer head; 64-impacted seat. DETAILED DESCRIPTION

[0025] The technical solution in the embodiment of the present application is to solve the problems mentioned in the background art, and the general idea is as follows:

[0026] Please refer to Figures 1-6 A multi-stage screening device for cottonseed protein production, comprising a frame 10, a tumbler screen 20 arranged on the upper part of the frame 10, a rocking frame 30 arranged on the lower part of the frame 10, a vibrating screen 40 arranged on the rocking frame 30, an arc-shaped filter screen 50 arranged in the middle of the frame 10, and a hammering mechanism 60 arranged on the tumbler screen 20 and colliding with the filter screen 50. Wherein, the cottonseed material is coarsely screened by the tumbler screen 20, then is secondarily screened by the filter screen 50, and finally is thirdly screened by the vibrating screen 40. The rocking frame 30 is used to drive the vibrating screen 40 to reciprocally rock, so that the material moves back and forth on the vibrating screen 40, thereby independently adjusting the screening time, realizing fine screening, ensuring the screening effect, and sharing power for the first two screenings, so that the structure is more compact, thereby reducing the floor area.

[0027] Please refer to Figures 1-6 The tumbler screen 20 comprises a rotating wheel 21 and a sieve cylinder 22. The rotating wheel 21 is rotationally connected with the frame 10, and the sieve cylinder 22 rotates on the rotating wheel 21. Here, the sieve cylinder 22 is arranged on the rotating wheel 21 and rotates with the rotating wheel 21, thereby realizing the effect of rolling screening. The support axis of the rotating wheel 21 is downwardly inclined, so that the cottonseed material can be slowly discharged to the tail end of the sieve cylinder 22.

[0028] Please refer to Figures 1-6The drum screen 20 further comprises a motor 23 and a feeding chute 24, the motor 23 is installed on the frame 10, the output end of the motor 23 is connected with the shaft of the rotating wheel 21, and the feeding chute 24 is fixedly connected with the frame 10, and the lower end of the feeding chute 24 extends into the screen cylinder 22. Here, the double-shaft motor 23 drives the four rotating wheels 21 to rotate synchronously through the shaft couplings, gearboxes and rotating shafts at the two ends, thereby driving the drum to rotate, and adding cotton seed materials into the screen cylinder 22 through the feeding chute 24, so as to facilitate feeding.

[0029] Please refer to Figures 1-6 The hammering mechanism 60 comprises a mounting ring 61, a spring 62 and a receiving seat 64, the mounting ring 61 is installed on the screen cylinder 22, one end of the spring 62 is fixedly arranged on the mounting ring 61, the other end of the spring 62 is fixedly connected with a spherical hammer head 63, the receiving seat 64 is installed on the filter screen 50, and the hammer head 63 collides with the receiving seat 64. Here, when the screen cylinder 22 rotates, all the hammer heads 63 on the mounting ring 61 rotate and sequentially hit the receiving seat 64, so that the filter screen 50 vibrates to help screening, and the power of the drum screen 20 is utilized, and it is not necessary to additionally arrange a power mechanism on the filter screen 50. It should be noted that the filter screen 50 is installed on the frame 10 through damping legs to reduce vibration transmission.

[0030] Please refer to Figures 1-6 The vibrating screen 40 comprises a screen hopper 41, and a vibrating motor 42 is installed on the screen hopper 41. Here, the vibrating motor 42 drives the screen hopper 41 to vibrate, so that the effect of vibrating screening is realized, and the vibration frequency is adjusted through the rotating speed of the vibrating motor 42, so that the screening effect is adjusted.

[0031] Please refer to Figures 1-6 A hopper door 43 is arranged on one side of the screen hopper 41, and a spring pin 44 is arranged on the screen hopper 41 and is pinned to the hopper door 43. Here, the hopper door 43 is kept closed through the spring pin 44, the cotton seed materials can move back and forth in the screen hopper 41, so that the screening time is prolonged, and the screening effect is ensured, and the hopper door 43 can be opened by pulling the spring pin 44, so that the materials can be poured out.

[0032] Please refer to Figures 1-6, the rocking frame 30 comprises a crossbar 31 and a buffer seat 32, the crossbar 31 is provided with two, both of which are rotatably connected with the sieve hopper 41, one end of one crossbar 31 is fixedly connected with the buffer seat 32, the buffer seat 32 is slidably connected with the frame 10, and the buffer seat 32 and the frame 10 are provided with a tension spring 33. Here, the buffer seat 32 is used to alleviate the transmission of the vibration of the hopper to the frame 10, the two crossbars 31 are used to support the hopper and are also used to connect with the buffer seat 32, the frame 10 is provided with a sliding rail and a sliding block, the buffer seat 32 is connected with the sliding block, which is used to stabilize the posture of the hopper and improve the large amplitude lifting space, and the tension spring 33 is used to provide vertical buffering, so that the material can be buffered in time when it falls from the filter screen 50, thereby avoiding spilling out of the sieve hopper 41.

[0033] Please refer to Figures 1-6 The other end of the other crossbar 31 is connected with a pneumatic cylinder 34, the other end of the pneumatic cylinder 34 is hingedly connected with the frame 10, and the outlet of the filter screen 50 is close to one end of the tension spring 33. Here, the end of the pneumatic cylinder 34 is a pitch adjusting end, so that the sieve hopper 41 can be flipped around the crossbar 31 at one end of the buffer seat 32, and reciprocating flipping makes the material fall from one end of the tension spring 33 to the sieve hopper 41, moves to the end of the hopper door 43, and then moves from the end of the hopper door 43 to the end of the tension spring 33, so as to realize reciprocating fine screening and ensure the screening effect. The pneumatic cylinder 34 can also function as a pneumatic spring to provide buffering for vibration.

[0034] When the application is used: the cottonseed material is added to the screen cylinder 22 through the feeding chute 24, the double-shaft motor 23 drives the four rotating wheels 21 to rotate synchronously through the shaft couplings, gearboxes and rotating shafts at both ends, thereby driving the drum to rotate, the cottonseed material slowly passes through the screen cylinder 22 to realize screening, the larger impurities are discharged from the tail end of the screen cylinder 22, and the cottonseed material mixed with small impurities enters the filter screen 50, the screen cylinder 22 rotates to drive all the hammer heads 63 on the mounting ring 61 to rotate, which in turn hits the hit seats 64 to make the filter screen 50 vibrate to help screening, the larger impurities are discharged from the outlet at the tail of the filter screen 50, and the cottonseed material mixed with small impurities falls into the sieve hopper 41, moves to the side of the hopper door 43 with the vibration of the sieve hopper 41, then the pneumatic cylinder 34 pushes the side of the hopper door 43 to lift upward, so that the material moves from the end of the hopper door 43 to the end of the tension spring 33, thereby realizing reciprocating fine screening and ensuring the screening effect.

[0035] In summary, the cottonseed material is coarsely screened by the drum screen 20, then is screened again by the filter screen 50, and finally is screened for the third time by the vibrating screen 40, the vibrating screen 40 is reciprocating rocked by the rocking frame 30, so that the material moves back and forth on the vibrating screen 40, thereby independently adjusting the screening time to realize fine screening and ensure the screening effect, and the first two screenings share power, so that the structure is more compact, thereby reducing the floor area.

[0036] It should be pointed out finally that the above embodiments are merely examples for clearly illustrating the present application and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. It is unnecessary and impossible to enumerate all the embodiments. The changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A multi-stage sifting device for cottonseed protein production, characterized by, The utility model provides a frame is provided with drum screen on the upper portion, and is provided with swing frame on the lower portion, and is provided with vibration screen on the swing frame, and is provided with arc filter screen in the middle of frame screen, and is provided with hammer mechanism on the drum screen and collides with filter screen.

2. The multi-stage screening device for cottonseed protein production according to claim 1, characterized in that, The drum screen comprises a rotating wheel and a screen cylinder, the rotating wheel is rotationally connected with the frame, and the screen cylinder rotates on the rotating wheel.

3. The multi-stage screening device for cottonseed protein production according to claim 2, characterized in that, The drum screen further comprises a motor and a feeding groove, the motor is installed on the frame, an output end of the motor is connected with a shaft of the rotating wheel, the feeding groove is fixedly connected with the frame, and a lower end of the feeding groove extends into the screen cylinder.

4. The multi-stage sifting device for cottonseed protein production according to claim 3, characterized in that, The hammer mechanism comprises a mounting ring, a spring and a receiving seat, the mounting ring is installed on the screen cylinder, one end of the spring is arrayed and fixed on the mounting ring, the other end of the spring is fixedly connected with a spherical hammer head, the receiving seat is installed on the filter screen, and the hammer head collides with the receiving seat.

5. The multi-stage sifting device for cottonseed protein production according to claim 4, characterized in that, The vibration screen comprises a screen hopper, and a vibration motor is installed on the screen hopper.

6. The multi-stage screening device for cottonseed protein production according to claim 5, characterized in that, One side of the screen hopper is provided with a hopper door, and a spring pin is arranged on the screen hopper and is connected with the hopper door.

7. The multi-stage screening device for cottonseed protein production according to claim 6, characterized in that, The swing frame comprises a cross rod and a buffer seat, the cross rod is provided with two, both the cross rods are rotationally connected with the screen hopper, both ends of one of the cross rods are fixedly connected with the buffer seat, the buffer seat is slidingly connected with the frame, and a tension spring is arranged between the buffer seat and the frame.

8. The multi-stage screening device for cottonseed protein production according to claim 7, characterized in that, Both ends of the other cross rod are connected with air cylinders, the other ends of the air cylinders are hingedly connected with the frame, and an outlet of the filter screen is close to one end of the tension spring.

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