Raw material crushing device for modified starch production

Abstract

The utility model relates to the technical field of starch crushing, and discloses a raw material crushing device for producing modified starch, which comprises a screening cylinder, a plurality of groups of screening holes are formed in the circumferential surface of the screening cylinder, two groups of bearings are mounted on the outer wall of the screening cylinder, fixing rings are respectively mounted on the outer ring walls of the two groups of bearings, and a driving motor is mounted on the outer wall of one fixing ring. The driving motor drives the gear and one pulley to rotate, so that the gear drives the screening barrel provided with the tooth block to rotate under the cooperation of the bearing and the fixing ring, the pulley on one side of the gear can drive the other pulley and the rotating rod to rotate under the cooperation of the belt, and the rotating directions of the screening barrel and the rotating rod are opposite. The screening cylinder drives the second crushing blades to rotate, the rotating rod drives the first crushing blades to rotate, the first crushing blades and the second crushing blades crush the raw materials, the qualified crushed raw materials can fall down from the screening holes, the unqualified raw materials can be continuously crushed, and therefore the crushing quality of the raw materials is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of starch crushing, in particular to a raw material crushing device for modified starch production. Background Art

[0002] There are more than 2,000 varieties and specifications of modified starch. Modified starch can be divided into four categories according to the treatment method: physical modified starch, chemical modified starch, enzymatic modified starch and composite modified starch. Physical modified starch includes pregelatinized starch, ultra-high frequency radiation treated starch, metal ion modified starch, smoked starch, etc. Chemical modified starch includes oxidized starch, esterified starch, etherified starch, cross-linked starch, grafted starch, etc. Enzymatic modified starch includes amylose, dextrin, resistant starch, etc. Composite modified starch is modified starch obtained by two or more treatment methods, including oxidized cross-linked starch and cross-linked esterified starch, etc. Among them, modified starch produced by chemical method has the most types and the widest application, and needs to be crushed during the production process of modified starch.

[0003] When the above device is implemented, when the starch is crushed by the spiral crushing blade inside the crushing cylinder, if the crushing inside the crushing cylinder is insufficient, the starch will continue to move downward from the inside of the crushing cylinder, resulting in insufficient starch crushing. Utility Model Content

[0004] The purpose of the utility model is to provide a raw material pulverizing device for modified starch production, which solves the problem that when the above device is implemented, when the starch is pulverized by the spiral pulverizing blade inside the pulverizing cylinder, the pulverization inside the pulverizing cylinder is insufficient, and the starch continues to move downward from the inside of the pulverizing cylinder, thereby causing the starch to be insufficiently pulverized.

[0005] The embodiment of the present application provides a raw material crushing device for the production of modified starch, comprising a screening drum, a circumferential surface of the screening drum being provided with multiple groups of screening holes, an outer wall of the screening drum being provided with two groups of bearings, an outer ring wall of the two groups of the bearings being provided with a fixing ring respectively, an outer wall of one of the fixing rings being provided with a driving motor, an output shaft of the driving motor being fixedly connected with a gear, an outer wall of the screening drum being fixedly connected with multiple groups of tooth blocks, multiple groups of the tooth blocks being meshed with the gear, a rotating rod being rotatably installed on the inner wall of the screening drum, a rotating shaft of the rotating rod and a rotating shaft of the gear being fixedly installed with pulleys respectively, a belt being installed for transmission on the outer walls of the two groups of the pulleys, a plurality of groups of first crushing leaves being fixedly connected to the outer wall of the rotating rod, a plurality of groups of second crushing leaves being fixedly connected to the inner wall of the screening drum, the first crushing leaves and the second crushing leaves being staggered.

[0006] By adopting the above technical solution, the gear and one of the pulleys are driven to rotate by a driving motor, so that the gear drives the screening drum equipped with the tooth block to rotate with the cooperation of the bearing and the fixed ring, and the pulley on one side of the gear can drive the other pulley and the rotating rod to rotate with the cooperation of the belt, and the screening drum and the rotating rod rotate in opposite directions, so that the screening drum drives the second crushing leaf to rotate, and the rotating rod drives the first crushing leaf to rotate, so that the first crushing leaf and the second crushing leaf crush the raw material, and the qualified raw material can fall from the screening hole, and the unqualified raw material will continue to be crushed, thereby ensuring the quality of the raw material crushing.

[0007] Optionally, the sieve holes and the second crushing leaves are arranged in an alternating manner.

[0008] By adopting the above technical solution, the screening holes and the second crushing leaves are staggered, so that the screening holes will not affect the falling of the crushed raw materials.

[0009] Optionally, a feed hole is opened on the circumferential surface of the screening cylinder, and a cover is hingedly connected to the outer wall of the screening cylinder above the feed hole.

[0010] By adopting the above technical solution, the raw materials can be added through the feed hole, and the cover can shield the feed hole.

[0011] Optionally, a handle is fixedly connected to the upper end of the cover, and two positioning bolts are rotatably passed through the interior of the cover, and the two positioning bolts are threadedly mounted on the inner wall of the screening cylinder.

[0012] By adopting the above technical solution, the setting of the handle can facilitate the staff to pull the cover, and the positioning bolt can lock and position the cover and the screening drum.

[0013] Optionally, outer walls below the two fixing rings are respectively fixedly connected with support rods.

[0014] By adopting the above technical solution, the fixing ring can fix the support rod, and the support rod can support the fixing ring.

[0015] Optionally, vibration springs are fixedly mounted on the lower ends of the two groups of support rods, a bottom plate is provided inside the vibration spring, and mounting bolts are rotatably penetrated inside the bottom plate.

[0016] By adopting the above technical solution, the vibration spring can be installed through the support rod, which facilitates the vibration of the screening drum, and the vibration spring bottom plate can be fixed to the ground through the installation bolts.

[0017] Optionally, a vibration motor is installed on the outer wall of the circumferential surface of the screening drum.

[0018] By adopting the above technical solution, the screening drum can be used to fix the vibration motor, and the vibration motor can vibrate the screening drum in cooperation with the vibration spring, thereby facilitating the qualified raw materials to fall from the screening holes.

[0019] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0020] The technical solution of the present application drives the gear and one of the pulleys to rotate through a driving motor, so that the gear drives the screening drum equipped with the tooth block to rotate with the cooperation of the bearing and the fixed ring, and the pulley on one side of the gear can drive the other pulley and the rotating rod to rotate with the cooperation of the belt, and the rotation directions of the screening drum and the rotating rod are opposite, so that the screening drum drives the second crushing leaf to rotate, and the rotating rod drives the first crushing leaf to rotate, so that the first crushing leaf and the second crushing leaf crush the raw material, and the qualified raw material can fall from the screening hole, while the unqualified raw material will continue to be crushed, thereby ensuring the quality of the raw material crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0022] Figure 1 This is a front view schematic diagram of a raw material crushing device for modified starch production according to the present invention;

[0023] Figure 2 The utility model is a raw material crushing device for modified starch production Figure 1 Enlarged view of point A in the middle;

[0024] Figure 3 The utility model is a raw material crushing device for modified starch production Figure 1 Enlarged view of point B in the middle;

[0025] Figure 4 This is a schematic diagram of the right side of a raw material crushing device for modified starch production according to the present invention.

[0026] In the figure: 1. Screening drum; 2. Screening hole; 3. Bearing; 4. Fixing ring; 5. Driving motor; 6. Gear; 7. Pulley; 8. Belt; 9. Tooth block; 10. Rotating rod; 11. First crushing blade; 12. Second crushing blade; 13. Vibrating motor; 14. Cover; 15. Handle; 16. Positioning bolt; 17. Support rod; 18. Vibrating spring; 19. Mounting bolt. DETAILED DESCRIPTION

[0027] See also Figure 1-4The utility model provides a technical solution: a raw material crushing device for modified starch production, comprising a screening drum 1, a circumferential surface of the screening drum 1 is provided with multiple groups of screening holes 2, the outer wall of the screening drum 1 is provided with two groups of bearings 3, the outer ring walls of the two groups of bearings 3 are respectively provided with fixing rings 4, the outer wall of one of the fixing rings 4 is provided with a driving motor 5, the output shaft of the driving motor 5 is fixedly connected with a gear 6, the outer wall of the screening drum 1 is fixedly connected with multiple groups of tooth blocks 9, the multiple groups of tooth blocks 9 are meshed with the gear 6, the inner wall of the screening drum 1 is rotatably installed with a rotating rod 10, the rotating shaft of the rotating rod 10 and the rotating shaft of the gear 6 are respectively fixedly provided with pulleys 7, the outer walls of the two groups of pulleys 7 are transmission-installed with belts 8, the outer wall of the rotating rod 10 is fixedly connected with multiple groups of first crushing leaves 11, the inner wall of the screening drum 1 is fixedly connected with multiple groups of second crushing leaves 12, the first crushing leaves 11 and the second crushing leaves 12 are staggered, and the screening holes 2 and the second crushing leaves 12 are staggered;

[0028] The outer walls below the two fixing rings 4 are fixedly connected with support rods 17, and the lower ends of the two groups of support rods 17 are fixedly installed with vibration springs 18. A bottom plate is provided inside the vibration spring 18, and mounting bolts 19 are rotatably penetrated inside the bottom plate. A vibration motor 13 is installed on the outer wall of the circumferential surface of the screening drum 1.

[0029] In the technical solution of the present utility model, the gear 6 and one of the pulleys 7 are driven to rotate by the driving motor 5, so that the gear 6 drives the screening drum 1 equipped with the tooth block 9 to rotate with the cooperation of the bearing 3 and the fixing ring 4, and the pulley 7 on one side of the gear 6 can drive the other pulley 7 and the rotating rod 10 to rotate with the cooperation of the belt 8, and the screening drum 1 and the rotating rod 10 rotate in opposite directions, so that the screening drum 1 drives the second crushing leaf 12 to rotate, and the rotating rod 10 drives the first crushing leaf 11 to rotate, so that the first crushing leaf 11 and the second crushing leaf 12 crush the raw material, and the qualified raw material can fall from the screening hole 2, and the unqualified raw material will continue to be crushed, thereby ensuring the quality of the raw material crushing, and the screening hole 2 and the second crushing leaf 12 are staggered, so that the screening hole 2 will not affect the falling of the crushed raw material.

[0030] In addition, the fixing ring 4 can be used to fix the support rod 17, and the support rod 17 can support the fixing ring 4. The support rod 17 can be used to install the vibration spring 18, which is convenient for the vibration of the screening drum 1. The bottom plate of the vibration spring 18 can be fixed to the ground through the mounting bolts 19. The vibration motor 13 can be fixed to the screening drum 1, and the vibration motor 13 can vibrate the screening drum 1 with the cooperation of the vibration spring 18, thereby facilitating the crushed qualified raw materials to fall from the screening hole 2.

[0031] In the technical solution of the present utility model, Figure 1 and Figure 3As shown, a feed hole is provided on the circumferential surface of the screening drum 1, and a cover 14 is hingedly connected to the outer wall of the screening drum 1 above the feed hole. The raw material can be added through the feed hole, and the cover 14 can cover the feed hole. A handle 15 is fixedly connected to the upper end of the cover 14, and two positioning bolts 16 are rotatably passed through the interior of the cover 14. The two positioning bolts 16 are threadedly installed with the inner wall of the screening drum 1. The setting of the handle 15 can facilitate the staff to pull the cover 14, and the positioning bolts 16 can lock and position the cover 14 and the screening drum 1.

[0032] When in use, first, the handle 15 can be used to facilitate the staff to pull the cover 14, so that the staff can add materials to the screening drum 1 from the feed hole, and then the positioning bolts 16 are used to lock the cover 14 and the screening drum 1, and then the driving motor 5 drives the gear 6 and one of the pulleys 7 to rotate, so that the gear 6 drives the screening drum 1 equipped with the tooth block 9 to rotate under the cooperation of the bearing 3 and the fixing ring 4, and the pulley 7 on one side of the gear 6 can drive the other pulley 7 and the rotating rod 10 to rotate under the cooperation of the belt 8, and the screening drum 1 and the rotating rod 10 rotate in opposite directions, so that the screening drum 1 drives the second crushing leaf 12 to rotate, and the rotating rod 10 drives the first crushing leaf 11 to rotate, so that the first crushing leaf 11 and the second crushing leaf 12 crush the raw material, and the qualified raw material can fall from the screening hole 2, and the unqualified raw material will continue to be crushed, thereby ensuring the quality of raw material crushing, and the cooperation of the vibration motor 13 and the vibration spring 18 can vibrate the screening drum 1, thereby ensuring that the qualified raw material falls from the screening hole 2 to the collection box placed in advance below the screening drum 1, and the device can be provided with an external device console, so as to play the role of intelligent operation of the device.

Claims

1. A raw material crushing device for modified starch production, characterized by: The invention comprises a screening drum (1), wherein a plurality of screening holes (2) are provided on the circumferential surface of the screening drum (1), two sets of bearings (3) are installed on the outer wall of the screening drum (1), and the outer ring walls of the two sets of bearings (3) are respectively installed with fixing rings (4), wherein a driving motor (5) is installed on the outer wall of one of the fixing rings (4), and the output shaft of the driving motor (5) is fixedly connected to a gear (6), and the outer wall of the screening drum (1) is fixedly connected to a plurality of gear blocks (9), and the plurality of gear blocks (9) and the gear (6) are fixedly connected. The inner wall of the screening drum (1) is rotatably mounted with a rotating rod (10), the rotating shaft of the rotating rod (10) and the rotating shaft of the gear (6) are respectively fixedly mounted with pulleys (7), the outer walls of the two groups of pulleys (7) are driven by belts (8), the outer wall of the rotating rod (10) is fixedly connected with multiple groups of first crushing leaves (11), the inner wall of the screening drum (1) is fixedly connected with multiple groups of second crushing leaves (12), and the first crushing leaves (11) and the second crushing leaves (12) are staggered.

2. A raw material pulverizing device for modified starch production according to claim 1, characterized in that: The sieve holes (2) and the second crushing leaves (12) are arranged in an alternating manner.

3. The raw material crushing device for producing modified starch according to claim 1, characterized in that: A feed hole is provided on the circumferential surface of the screening cylinder (1), and a cover (14) is hingedly connected to the outer wall of the screening cylinder (1) above the feed hole.

4. The raw material pulverizing device for producing modified starch according to claim 3, characterized in that: The upper end of the cover (14) is fixedly connected to a handle (15), and two positioning bolts (16) are rotatably penetrated inside the cover (14), and the two positioning bolts (16) are threadedly mounted on the inner wall of the screening drum (1).

5. The raw material pulverizing device for producing modified starch according to claim 1, characterized in that: The outer walls below the two fixing rings (4) are respectively fixedly connected with support rods (17).

6. The raw material pulverizing device for producing modified starch according to claim 5, characterized in that: The lower ends of the two groups of support rods (17) are respectively fixedly mounted with vibration springs (18), a bottom plate is provided inside the vibration spring (18), and a mounting bolt (19) is rotatably penetrated inside the bottom plate.

7. The raw material pulverizing device for producing modified starch according to claim 6, characterized in that: A vibration motor (13) is installed on the outer wall of the circumferential surface of the screening drum (1).

Images