Continuous screening equipment for pig feed

Abstract

The utility model relates to the technical field of feed processing, in particular to pig feed continuous screening equipment which comprises a vibration bin. The bottom of the vibration bin is obliquely arranged, a fine material discharging opening and a coarse material discharging opening are oppositely formed in the two sides of the partition plate respectively, the lower end of the supporting frame is located on the partition plate, the transverse blocking strip is located on one side of the coarse material discharging opening, and the lower end of the fixing frame is located on the side face of the transverse blocking strip. Feed meeting the standard is sieved from the sieve plate to the bottom of the vibration bin and discharged from the fine feed discharging port, feed larger than the particle size standard moves towards the lower end of the sieve plate in the vibration process and is discharged from the coarse feed discharging port, and a certain distance is kept between the fixing plate and the first baffle and the second baffle under supporting of the first spring. And therefore, it is guaranteed that the vibration motor can drive the vibration bin to vibrate during operation, the continuous screening effect is achieved in a matched mode, compared with traditional continuous screening equipment, the screening efficiency is higher, and use convenience is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of feed processing, in particular to a continuous screening device for pig feed. Background Art

[0002] Pig farming is a type of animal husbandry. In order to ensure the health of pig farming and facilitate management, the feed in pig farming is strictly proportioned. The feed raw materials are mainly made of crops and crop straw. The feed raw materials need to be crushed before mixing. In order to ensure the uniformity of the mixing ratio and facilitate pig consumption, the crushed feed must undergo a screening process to ensure the uniformity of the feed size. Therefore, continuous screening equipment is required.

[0003] A patent with the announcement number CN 217491620 U discloses a continuous screening device for pig feed, which belongs to the technical field of pig feed screening equipment. The device includes a base and a support plate arranged above the base. A mounting frame is arranged above the support plate. Two fixed rods are installed on one side of the mounting frame. The fixed rods are sequentially provided with multiple movable frames from top to bottom. The inner side of the movable frame is provided with a sieve bucket. A vibration motor is provided on the other side of the mounting frame. Fixed plates are provided on both sides of the vibration motor. The utility model rotates the multiple movable frames in conjunction with the fixed rods, and then sieve buckets of different fineness are placed in the movable frames to screen the pig feed from top to bottom. After screening, the sieve bucket can be directly taken out by rotating the movable frame, which is convenient for manual collection. The device can also screen pig feed of different precisions. The flexibly taken-out pig feed can be flexibly cleaned, making it more convenient to use.

[0004] However, the existing continuous screening equipment is large in size and inconvenient for feeding, and the large-particle feed retained in the movable frame is inconvenient to clean. During continuous use, the residual feed in the movable frame needs to be cleaned regularly to avoid the accumulation of residual feed clogging the sieve holes, resulting in inconvenience in use and low continuous screening efficiency. Therefore, a continuous screening equipment for pig feed is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and address the problems existing in the prior art, the utility model proposes a continuous screening device for pig feed.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: the utility model is a continuous screening device for pig feed, comprising a vibrating bin; the bottom of the vibrating bin is arranged at an angle, the lower end of the bottom of the vibrating bin is provided with an opening, a partition is installed in the opening, and a fine material discharge port and a coarse material discharge port are respectively provided on opposite sides of the partition; a support frame is installed at an angle in the vibrating bin, and the lower end of the support frame is located on the partition; a cross bar is installed transversely on the side of the partition in the vibrating bin, and the cross bar is located on the side of the coarse material discharge port; a fixing frame is provided on the support frame, and the lower end of the fixing frame is located on the side of the cross bar; a sieve plate is provided in the fixing frame, and a vibration motor is installed under the vibrating bin through a fixing member;

[0007] The vibration chamber is symmetrically provided with through slots on opposite sides, and locking assemblies for limiting the fixing frame are mirror-mounted on both sides of the vibration chamber, and the locking assemblies are located at the openings of the through slots on the sides of the vibration chamber;

[0008] A cover plate is installed at the upper opening of the vibration bin through a pin shaft, a feeding port is installed on the cover plate, a crushing assembly is arranged in the feeding port, and four groups of elastic support assemblies are symmetrically installed on both sides of the vibration bin, which cooperate to achieve the effect of continuous screening. Compared with traditional continuous screening equipment, the screening efficiency is higher and the convenience of use is effectively improved.

[0009] Preferably, the elastic support assembly includes a fixed plate, and the fixed plate is horizontally installed on the side of the vibration bin, the fixed plate is penetrated by a hole, and a support leg is penetrated in the hole, the support leg is located under the fixed plate and a baffle No. 1 is installed, the support leg is provided with a spring No. 1, and the spring No. 1 is located between the baffle No. 1 and the fixed plate, and a baffle No. 2 is installed on the top of the fixed plate, and the cooperation achieves the effect of elastic support to facilitate vibration screening.

[0010] Preferably, the locking assembly includes a fixed shell, and the fixed shell is installed on the side of the vibration bin, and a No. 3 baffle parallel to the side of the vibration bin is provided in the fixed shell, and a pin plate is provided in the through slot on the side of the No. 3 baffle that passes through the side of the vibration bin, and a rounded edge is provided on a side of the pin plate located in the vibration bin, and two limit rods are installed on the side opposite to the pin plate, and the ends of the two limit rods are both installed on the outside of the fixed shell and a No. 4 baffle is installed together, and a No. 2 spring is respectively provided on the two limit rods, and the two No. 2 springs are located in the fixed shell, and the cooperation achieves the limiting effect, ensuring the normal use of the screening equipment and improving the convenience of use.

[0011] Preferably, the limiting rod and the third baffle are perpendicular to each other, and the limiting rod and the third baffle are parallel to each other, and cooperate to achieve the limiting effect, thereby ensuring the limiting stability of the fixed frame.

[0012] Preferably, a handle is installed on the fixed frame, the lower end of the fixed frame is located above the coarse material discharge port, the feeding port is located on the higher end of the screen plate, and side connecting plates are installed on the sides of the vibration bin and the cover plate. Holes are opened through the side connecting plates on which the vibration bin and the cover plate are installed, and fastening bolts for fixing the cover plate are also provided through the holes, which achieve the fixing effect and improve the stability of use.

[0013] Preferably, the crushing assembly includes a crushing roller, and the crushing roller is rotatably installed in the feeding port. The rotating shaft of the crushing roller passes through the feeding port and is equipped with a drive motor, and the drive motor is installed on the feeding port through a fixing part. The combination achieves the effect of improving the screening effect and effectively improves the screening efficiency.

[0014] The utility model is beneficial in that:

[0015] 1. The utility model drives the vibration bin to vibrate when the vibration motor generates vibration. The feed that meets the standards is sieved from the screen plate and falls to the bottom of the vibration bin and is discharged from the fine material outlet, while the feed with a particle size larger than the standard will move to the lower end of the screen plate during the vibration and be discharged from the coarse material outlet. Under the support of the No. 1 spring, the fixed plate maintains a certain distance from the No. 1 baffle and the No. 2 baffle, thereby ensuring that the vibration bin can be driven to vibrate when the vibration motor is running, and the continuous screening effect is achieved. Compared with the traditional continuous screening equipment, the screening efficiency is higher and the convenience of use is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 1 is a schematic diagram of a first three-dimensional structure;

[0018] Figure 2 This is an enlarged schematic diagram of the cutaway structure of the vibrating screen;

[0019] Figure 3 It is a cutaway and enlarged schematic diagram of the support and limit main structure;

[0020] Figure 4 It is a cross-sectional enlarged schematic diagram of the main structure of the locking assembly;

[0021] Figure 5 This is an enlarged schematic diagram of the main structure of the feeding port.

[0022] In the figure: 1. Vibration bin; 2. Partition; 3. Fine material discharge port; 4. Coarse material discharge port; 5. Support frame; 6. Cross bar; 7. Fixed frame; 8. Screen plate; 9. Handle; 10. Vibration motor; 11. Locking assembly; 1101. Fixed shell; 1102. Pin plate; 1103. Baffle No. 3; 1104. Limit rod; 1105. Spring No. 2; 1106. Baffle No. 4; 1107. Rounded edge; 12. Cover plate; 13. Feeding port; 14. Crushing assembly; 1401. Crushing roller; 1402. Driving motor; 15. Fixed plate; 16. Support leg; 17. Baffle No. 1; 18. Spring No. 1; 19. Baffle No. 2; 20. Side connecting plate; 21. Fastening bolts. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5 As shown, a continuous screening device for pig feed includes a vibrating bin 1; the bottom of the vibrating bin 1 is arranged at an angle, and an opening is provided at the lower end of the bottom of the vibrating bin 1, and a partition 2 is installed in the opening. A fine material discharge port 3 and a coarse material discharge port 4 are respectively provided on opposite sides of the partition 2. A support frame 5 is installed obliquely in the vibrating bin 1, and the lower end of the support frame 5 is located on the partition 2. A cross bar 6 is installed transversely on the side of the partition 2 in the vibrating bin 1, and the cross bar 6 is located on one side of the coarse material discharge port 4. A fixing frame 7 is provided on the support frame 5, and the lower end of the fixing frame 7 is located on the side of the cross bar 6. A sieve plate 8 is provided in the fixing frame 7. A vibration motor 10 is installed under the vibrating bin 1 through a fixing member;

[0025] The vibration chamber 1 is symmetrically provided with through slots on opposite sides. Locking components 11 for limiting the fixing frame 7 are mirror-mounted on both sides of the vibration chamber 1. The locking components 11 are located at the openings of the through slots on the sides of the vibration chamber 1.

[0026] A cover plate 12 is rotatably mounted on the upper opening of the vibration bin 1 through a pin shaft. A feeding port 13 is mounted on the cover plate 12. A crushing assembly 14 is provided in the feeding port 13. Elastic support assemblies are symmetrically mounted on both sides of the vibration bin 1.

[0027] During operation, the existing continuous screening equipment is large in size and inconvenient for feeding, and the large-particle feed retained in the movable frame is inconvenient to clean. During continuous use, the residual feed in the movable frame needs to be cleaned regularly to avoid the accumulation of residual feed clogging the sieve holes, resulting in inconvenience in use and low continuous screening efficiency. In this solution, the vibration motor 10 is started during use, and the vibration motor 10 will vibrate when it is running. When the vibration motor 10 vibrates under the support of the elastic support component, it will drive the vibration bin 1 to vibrate, and the crushed feed will be fed into the feeding port 13. At this time, the screen plate 8 will also vibrate under the operation of the vibration motor 10, and the feed falling on the screen plate 8 will be shaken. The screen is moved, and the feed that meets the standards is screened off the screen plate 8 and dropped to the bottom of the vibration bin 1. The screened feed will be discharged from the fine material outlet 3 under the vibration of the vibration bin 1, while the feed larger than the particle size standard will move to the lower end of the screen plate 8 during the vibration, fall from the lower end of the screen plate 8 and be discharged from the coarse material outlet 4. When the screen plate 8 with different apertures needs to be replaced, the cover plate 12 is flipped open from the vibration bin 1, and then the restriction of the locking assembly 11 on the fixed frame 7 is released, and the handle 9 is lifted upward to take the screen plate 8 out of the vibration bin 1 for replacement. The continuous screening effect is achieved in combination. Compared with the traditional continuous screening equipment, the screening efficiency is higher and the convenience of use is effectively improved.

[0028] See also Figure 1 As shown, the elastic support assembly includes a fixed plate 15, and the fixed plate 15 is horizontally installed on the side of the vibration bin 1. A hole is opened through the fixed plate 15, and a support leg 16 is provided in the hole. The support leg 16 is located under the fixed plate 15 and a baffle No. 17 is installed. A spring No. 18 is sleeved on the support leg 16, and the spring No. 18 is located between the baffle No. 17 and the fixed plate 15. A baffle No. 2 19 is installed on the top of the fixed plate 15.

[0029] During operation, in order to ensure that the vibration bin 1 in this scheme can generate vibration so as to achieve the screening effect, in this scheme, in the initial state, the No. 1 spring 18 will always push the fixed plate 15 upward, and under the action of the weight of the components in the vibration bin 1, the No. 1 spring 18 will always be squeezed downward, so that the fixed plate 15 and the No. 2 baffle 19 maintain a certain distance. When the vibration motor 10 is running, the vibration bin 1 will drive the fixed plate 15 to vibrate, and under the support of the No. 1 spring 18, the fixed plate 15 and the No. 1 baffle 17 and the No. 2 baffle 19 maintain a certain distance, thereby ensuring that the vibration motor 10 can drive the vibration bin 1 to vibrate when it is running, and the effect of elastic support is achieved to facilitate vibration screening.

[0030] See also Figure 1-4As shown, the locking assembly 11 includes a fixed shell 1101, and the fixed shell 1101 is installed on the side of the vibration bin 1, and a No. 3 baffle 1103 parallel to the side of the vibration bin 1 is provided in the fixed shell 1101, and a pin plate 1102 is provided in the through groove on the side of the vibration bin 1 through the side of the No. 3 baffle 1103, and the pin plate 1102 is provided with a rounded edge 1107 on a side of the vibration bin 1, and two limiting rods 1104 are installed on the side opposite to the pin plate 1102, and the ends of the two limiting rods 1104 are both penetrated and provided on the outside of the fixed shell 1101 and a No. 4 baffle 1106 is installed together, and the two limiting rods 1104 are respectively sleeved with No. 2 springs 1105, and the two No. 2 springs 1105 are located in the fixed shell 1101.

[0031] During operation, in order to ensure the normal use of the continuous screening equipment in the scheme and avoid the displacement of the screen plate 8 during use to affect the normal screening operation of the equipment, in this scheme, in the initial state, the No. 2 spring 1105 will always push the No. 3 baffle 1103 toward the side wall of the vibration bin 1, so that the No. 3 baffle 1103 fits on the outer wall of the vibration bin 1, and then the pin plate 1102 is set in the vibration bin 1 through the through groove of the side wall of the vibration bin 1, and the pin plate 1102 is provided with a side edge of the rounded edge 1107 and is set above the fixed frame 7. By setting the fixed frame 7 on the support frame 5, and making the lower end of the fixed frame 7 located on the side of the cross bar 6, and under the restriction of the pin plate 1102, the fixed frame is prevented from When 7 is displaced during use and the sieve plate 8 with different apertures needs to be replaced, the fourth baffle 1106 is pulled to drive the third baffle 1103 to move away from the side wall of the vibration bin 1 through the limit rod 1104, and when the third baffle 1103 moves, it will drive the pin plate 1102 to retract into the through groove on the side of the vibration bin 1. At this time, the upper part of the fixed frame 7 will lose its restriction, and the fixed frame 7 can be taken out of the vibration bin 1 for replacement. After replacement, the fourth baffle 1106 is released, and under the action of the second spring 1105, the fixed frame 7 will be restricted on the fixed frame 7 again, thereby achieving the limiting effect, ensuring the normal use of the screening equipment, and improving the convenience of use.

[0032] See also Figure 4 As shown, the limiting rod 1104 and the third baffle 1103 are perpendicular to each other, and the limiting rod 1104 and the third baffle 1103 are parallel to each other.

[0033] See also Figure 1-5As shown, a handle 9 is installed on the fixed frame 7, the lower end of the fixed frame 7 is located above the coarse material discharge port 4, the feeding port 13 is located on the higher end of the screen plate 8, and side connecting plates 20 are installed on the sides of the vibration bin 1 and the cover plate 12. The side connecting plates 20 installed on the vibration bin 1 and the cover plate 12 are penetrated by holes, and fastening bolts 21 for fixing the cover plate 12 are also penetrated in the holes.

[0034] During operation, in order to fix the cover plate 12 in this solution and ensure stability in use, in this solution, fastening bolts 21 are used to simultaneously penetrate the holes on the side connecting plate 20 installed on the side of the vibration bin 1 and the cover plate 12, and the cover plate 12 is fixed with fastening bolts 21, thereby achieving a fixing effect and improving stability in use.

[0035] See also Figure 5 As shown, the crushing assembly 14 includes a crushing roller 1401, and the crushing roller 1401 is rotatably installed in the feeding port 13. The rotating shaft of the crushing roller 1401 passes through the feeding port 13 and is equipped with a drive motor 1402, which is installed on the feeding port 13 through a fixing member.

[0036] During operation, in order to ensure the screening effect of the screening equipment in this scheme and improve the screening efficiency, in this scheme, by controlling the operation of the drive motor 1402, the drive motor 1402 will drive the crushing roller 1401 to rotate in the feeding port 13, and the crushing roller 1401 will disperse the input feed when it rotates, so as to disperse the agglomerated feed, and the dispersed feed will be screened again, which achieves the effect of improving the screening effect and effectively improves the screening efficiency.

[0037] Working principle: when in use, the vibration motor 10 is started, and the vibration motor 10 will vibrate when it is running, and under the support of the elastic support component, the vibration motor 10 will drive the vibration bin 1 to vibrate, and the crushed feed is put into the feeding port 13. At this time, the screen plate 8 will also vibrate under the operation of the vibration motor 10, and then the feed falling on the screen plate 8 will be shaken and sieved, and then the feed that meets the standards will be sieved from the screen plate 8 and fall to the bottom of the vibration bin 1. Under the vibration of the vibration bin 1, the sieved feed will be discharged from the fine material discharge port 3, and the feed larger than the particle size standard will move to the lower end of the screen plate 8 during the vibration, and fall from the lower end of the screen plate 8 and be discharged from the coarse material discharge port 4. When the screen plate 8 with different apertures needs to be replaced , by flipping the cover plate 12 from the vibration bin 1 to open it, then releasing the restriction of the locking assembly 11 on the fixed frame 7, and then lifting the handle 9 upwards to take the screen plate 8 out of the vibration bin 1 for replacement. In the initial state, the No. 1 spring 18 will always push the fixed plate 15 upwards, and under the action of the weight of the components in the vibration bin 1, the No. 1 spring 18 will always squeeze the No. 1 spring 18 downwards, so that the fixed plate 15 and the No. 2 baffle 19 maintain a certain distance. When the vibration motor 10 is running, the vibration bin 1 will drive the fixed plate 15 to vibrate, and under the support of the No. 1 spring 18, the fixed plate 15 will maintain a certain distance from the No. 1 baffle 17 and the No. 2 baffle 19, thereby ensuring that the vibration motor 10 can drive the vibration bin 1 to vibrate when it is running. In the initial state, the No. 1 spring 18 will always push the fixed plate 15 upwards, and under the action of the weight of the components in the vibration bin 1, the No. 1 spring 18 will always squeeze the No. 1 spring 18 downwards, so that the fixed plate 15 and the No. 2 baffle 19 maintain a certain distance. The No. 1 spring 1105 will always push the No. 3 baffle 1103 toward the side wall of the vibration bin 1, so that the No. 3 baffle 1103 fits on the outer wall of the vibration bin 1, and then the pin plate 1102 passes through the through slot in the side wall of the vibration bin 1 and is set in the vibration bin 1, and one side of the pin plate 1102 with a rounded edge 1107 is set above the fixed frame 7, by setting the fixed frame 7 on the support frame 5, and making the lower end of the fixed frame 7 located on the side of the cross bar 6, and under the restriction of the pin plate 1102, the fixed frame 7 is prevented from being displaced during use, and when it is necessary to replace the sieve plate 8 with a different aperture, by pulling the No. 4 baffle 1106, the No. 4 baffle 1106 drives the No. 3 baffle 1103 to move away from the side wall of the vibration bin 1 through the limit rod 1104, When the No. 3 baffle 1103 moves, it will drive the pin plate 1102 to retract into the through groove on the side of the vibration bin 1. At this time, the upper part of the fixed frame 7 will lose its restriction. At this time, the fixed frame 7 can be taken out of the vibration bin 1 for replacement. After replacement, the No. 4 baffle 1106 is loosened. Under the action of the No. 2 spring 1105, the fixed frame 7 will be restricted to the fixed frame 7 again. By controlling the operation of the drive motor 1402, the drive motor 1402 will drive the crushing roller 1401 to rotate in the feeding port 13 when it is running, and the crushing roller 1401 will disperse the input feed when it rotates, so as to disperse the agglomerated feed. The cooperation achieves the effect of continuous screening. Compared with traditional continuous screening equipment, the screening efficiency is higher and the convenience of use is effectively improved.

[0038] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A continuous screening device for pig feed, characterized by: The invention comprises a vibration bin (1); the bottom of the vibration bin (1) is arranged in an inclined manner, an opening is arranged at the lower end of the bottom of the vibration bin (1), a partition (2) is installed in the opening, and a fine material discharge port (3) and a coarse material discharge port (4) are arranged on both sides of the partition (2) respectively; a support frame (5) is arranged in an inclined manner in the vibration bin (1), and the lower end of the support frame (5) is located on the partition (2); a cross bar (6) is installed transversely on the side of the partition (2) in the vibration bin (1), and the cross bar (6) is located on one side of the coarse material discharge port (4); a fixing frame (7) is arranged on the support frame (5), and the lower end of the fixing frame (7) is located on the side of the cross bar (6); a sieve plate (8) is arranged in the fixing frame (7); a vibration motor (10) is installed under the vibration bin (1) through a fixing member; The vibration chamber (1) has through slots symmetrically formed on opposite sides thereof, and locking assemblies (11) for limiting the fixing frame (7) are mirror-mounted on both sides of the vibration chamber (1), and the locking assemblies (11) are located at the openings of the through slots on the sides of the vibration chamber (1); A cover plate (12) is rotatably mounted on the upper opening of the vibration bin (1) via a pin shaft, a feeding port (13) is mounted on the cover plate (12), a crushing assembly (14) is arranged in the feeding port (13), and four groups of elastic support assemblies are symmetrically mounted on both sides of the vibration bin (1).

2. A pig feed continuous screening device according to claim 1, characterized in that: The elastic support assembly includes a fixed plate (15), and the fixed plate (15) is horizontally installed on the side of the vibration chamber (1), the fixed plate (15) is provided with a hole, and a support leg (16) is provided in the hole, the support leg (16) is located under the fixed plate (15) and is provided with a No. 1 baffle (17), the support leg (16) is sleeved with a No. 1 spring (18), and the No. 1 spring (18) is located between the No. 1 baffle (17) and the fixed plate (15), and a No. 2 baffle (19) is installed on the top of the fixed plate (15).

3. The continuous screening device for pig feed according to claim 1, characterized in that: The locking assembly (11) includes a fixed shell (1101), and the fixed shell (1101) is installed on the side of the vibration chamber (1), and a third baffle (1103) is provided in the fixed shell (1101) and is parallel to the side of the vibration chamber (1), and a pin plate (1102) is provided in the side of the third baffle (1103) through the through slot on the side of the vibration chamber (1), and the pin plate (1102) is provided with a rounded corner on one side of the vibration chamber (1). Side (1107), two limiting rods (1104) are installed on the side of the third baffle (1103) opposite to the pin plate (1102), and the ends of the two limiting rods (1104) are both penetrated and arranged outside the fixed shell (1101) and a fourth baffle (1106) is installed together, and the two limiting rods (1104) are respectively sleeved with a second spring (1105), and the two second springs (1105) are located in the fixed shell (1101).

4. The continuous screening device for pig feed according to claim 3, characterized in that: The limiting rod (1104) and the third baffle (1103) are perpendicular to each other, and the limiting rod (1104) and the third baffle (1103) are parallel to each other.

5. The continuous screening device for pig feed according to claim 1, characterized in that: A handle (9) is installed on the fixing frame (7), the lower end of the fixing frame (7) is located above the coarse material discharge port (4), the feeding port (13) is located on the higher end of the screen plate (8), and side connecting plates (20) are installed on the sides of the vibration bin (1) and the cover plate (12). Holes are opened through the side connecting plates (20) installed on the vibration bin (1) and the cover plate (12), and fastening bolts (21) for fixing the cover plate (12) are also provided through the holes.

6. The continuous screening device for pig feed according to claim 1, characterized in that: The crushing assembly (14) includes a crushing roller (1401), and the crushing roller (1401) is rotatably installed in the feeding port (13). The rotating shaft of the crushing roller (1401) passes through the feeding port (13) and is equipped with a driving motor (1402), and the driving motor (1402) is installed on the feeding port (13) through a fixing member.

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