Conveying device for sweet potato circle powder production

By designing a conveyor for sweet potato circle powder production, the conveyor belt and shaping structure automatically cuts and rolls strip powder, the problem of low manual winding efficiency is solved, and efficient automatic molding and production efficiency of circle powder is achieved. promote.

CN119235039AInactive Publication Date: 2025-01-03HUNAN HUANGHUAYUAN AGRI TECH CO LTD
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Patent Information

Application Number
CN202411568661.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-01-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the production of sweet potato vermicelli, the efficiency of artificial rolling vermicelli is low, resulting in low production efficiency.

Method used

Design a conveyor for producing sweet potato circle powder, including a first conveyor belt and a second conveyor belt, cut the strip powder during the transmission process through a shaping structure and automatically roll it into circle powder in the circular box body to improve production efficiency .

Benefits of technology

The automatic twisting and forming of vermicelli is realized, which improves the processing efficiency of vermicelli, and the entire processing process is smooth and automated.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a conveying device for sweet potato circle powder production, which comprises a first conveyor belt for conveying strip-shaped powder and a second conveyor belt for conveying circle powder, and the second conveyor belt is provided with a round box body for placing the circle powder. A shaping structure used for shaping the strip-shaped vermicelli into circle-shaped vermicelli is arranged between the first conveying belt and the second conveying belt and comprises a first discharging set, a second discharging set and a cutting-off assembly, and the cutting-off assembly is located between the first discharging set and the second discharging set and used for cutting off the strip-shaped vermicelli into two vermicelli sections; the first discharging set and the second discharging set are used for moving vermicelli ends and winding the vermicelli ends in a round box body to obtain circle vermicelli, the conveying device for sweet potato circle vermicelli production is used for conveying the cut sweet potato vermicelli to a drying device, and strip vermicelli is twisted into circle vermicelli through a shaping structure in the conveying process. Automatic twisting forming and feeding of the ring powder are achieved, and the processing efficiency of the ring powder is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of vermicelli conveying, and in particular to a conveying device for producing sweet potato ring vermicelli. Background Art

[0002] Sweet potato vermicelli is a food made with sweet potato starch as the main raw material. Sweet potato starch is squeezed out to obtain sweet potato vermicelli, which is then cut into strips after blanching and then dried to form the product. For the sake of appearance or convenience of eating, it is sometimes necessary to make the strips of vermicelli into a ring shape, that is, to bend the original straight strips of vermicelli into a ring shape through a certain method before drying. To facilitate the production of circle vermicelli, some drying equipment is equipped with drying tanks for the production of circle vermicelli. The staff will roll the strips of vermicelli and put them into the corresponding drying tank, and the circle vermicelli can be obtained after drying. The winding of the vermicelli strips is done manually, and the production efficiency is not high. Summary of the invention

[0003] In view of the low efficiency of manual winding of sweet potato circle noodles in the production process of sweet potato circle noodles, the present invention proposes a conveying device for the production of sweet potato circle noodles, which can automatically twist and shape the circle noodles while conveying the strip noodles, thereby improving the production efficiency of the circle noodles.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A conveying device for producing sweet potato ring noodles, comprising a first conveyor belt for conveying strip noodles and a second conveyor belt for conveying ring noodles, a round box body for placing ring noodles is arranged on the second conveyor belt, a shaping structure for shaping the strip noodles into ring noodles is arranged between the first conveyor belt and the second conveyor belt, the shaping structure comprises a first feeding group, a second feeding group and a cutting assembly, the cutting assembly is located between the first feeding group and the second feeding group, the cutting assembly is used to cut the strip noodles into two vermicelli segments, the first feeding group and the second feeding group are respectively used to move and wind the vermicelli ends inside the round box body to obtain ring noodles.

[0006] Preferably, the first conveyor belt is provided with a plurality of hanging rods, and the plurality of hanging rods are evenly arranged on the conveying path of the first conveyor belt. The first conveyor belt is provided with a cutting station, and the cutting assembly is fixed at the cutting station. The cutting assembly is used to cut the strip powder on the hanging rod at the cutting station and obtain vermicelli segments on both sides of the hanging rod. The second conveyor belt is provided with a first unloading station and a second unloading station, and the first unloading station and the second unloading station are located below the cutting station, and the cutting station is located between the first unloading station and the second unloading station. The first unloading group corresponds to the first unloading station, and the first unloading group is used to move the first vermicelli segment to the inside of the round box body of the first unloading station and wind it into a circle. The second unloading group corresponds to the second unloading station, and the second unloading group is used to move the second vermicelli segment to the inside of the round box body of the second unloading station and wind it into a circle.

[0007] Preferably, the first unloading group includes a support, a third working cylinder, a plate body, a first forming seat and a first clamp, the support and the plate body are connected by at least one third working cylinder, the axis of the third working cylinder is horizontally arranged, a plurality of first forming seats are arranged at the lower part of the plate body, a first clamp for clamping the vermicelli segment is arranged on the first forming seat, the first clamp is slidably connected to the first forming seat, and the sliding path of the first clamp is circular. The second conveyor belt is provided with a plurality of conveying units, the plurality of conveying units are evenly arranged on the conveying path of the second conveyor belt, a plurality of round boxes evenly arranged in a single row are arranged on a conveying unit, and the number and position arrangement of the first forming seats correspond to the number and position arrangement of the round boxes of a conveying unit on the second conveyor belt.

[0008] Preferably, the first conveyor belt is provided with a grouping seat for grouping the strip powder on the hanging rod, the lower part of the grouping seat contacts the upper part of the hanging rod on the lower conveying path of the first conveyor belt, and the lower part of the grouping seat is provided with a plurality of grouping channels, and the strip powder enters the grouping channels to be grouped to obtain vermicelli groups. The grouping seat is located in front of the cutting station, and the number and position arrangement of the grouping channels correspond to the number and position arrangement of the first forming seat.

[0009] Preferably, the horizontal cross-section of the grouping channel is trapezoidal, the feed inlet of the grouping channel is the large end face, the discharge port of the grouping channel is the small end face, and a tip is provided between the feed inlets of adjacent grouping channels on the grouping seat.

[0010] Preferably, the first unloading group and the second unloading group are symmetrically arranged on both sides of the cutting assembly, the first forming seat of the first unloading group and the second forming seat of the second unloading group are arranged opposite to each other, and the number and position arrangement of the second forming seats correspond to the number and position arrangement of the round box bodies of a conveying unit on the second conveyor belt.

[0011] Preferably, the cutting assembly includes a cutting knife and a fourth working cylinder, the cutting knife is connected to the working end of the fourth working cylinder, and the axis of the fourth working cylinder is vertically arranged to form a vertical movement and cutting action of the cutting knife.

[0012] Preferably, a slider and a circular slide groove are provided at the bottom of the first forming seat, the slider matches the slide groove and is slidably connected, and the slider is fixedly connected to the first clamp.

[0013] The beneficial effects of the present invention are:

[0014] 1. The conveying device for producing sweet potato ring vermicelli is used for conveying the cut sweet potato vermicelli to the drying device. During the conveying process, the strip-shaped vermicelli is twisted into ring vermicelli through the shaping structure, thereby realizing automatic twisting, forming and feeding of the ring vermicelli, and improving the processing efficiency of the ring vermicelli.

[0015] 2. The shaping structure of the conveying device for producing sweet potato circle noodles includes a first discharge group, a second discharge group and a cutting component. The strip noodles are cut into vermicelli segments by the cutting component to realize the unloading of the strip noodles onto the first conveyor belt. The vermicelli segments are then moved and twisted by the first discharge group and the second discharge group to obtain circle noodles inside the round box body of the second conveyor belt. The entire processing process is smooth, and the automatic forming of circle noodles is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the conveying device for producing sweet potato ring noodles;

[0017] Figure 2 This is a schematic diagram of the structure of the first conveyor belt of the conveying device from above;

[0018] Figure 3 This is a schematic diagram of the structure of the feeding side of the grouping seat of the conveying device;

[0019] Figure 4 It is a schematic structural diagram of the second conveyor belt conveying unit of the conveying device;

[0020] Figure 5 This is a schematic diagram of the structure of the conveying device at the shaping structure (before cutting);

[0021] Figure 6 This is a schematic diagram of the structure of the shaping structure A of the conveying device;

[0022] Figure 7 This is a schematic diagram of the structure of the shaping structure plate of the conveying device when viewed from above;

[0023] Figure 8 This is a schematic diagram of the structure of the conveying device at the shaping structure (after cutting).

[0024] In the figure: 1, first conveyor belt; 2, second conveyor belt; 3, hanging rod; 4, round box body; 5, strip powder; 6, first unloading group; 7, second unloading group; 8, cutting assembly; 9, grouping seat; 10, first working cylinder; 11, second working cylinder; 12, working table; 13, first support frame; 14, second support frame;

[0025] 21. Conveying unit; 31. First connecting rod; 401. First unloading station; 402. Second unloading station; 61. Support; 62. Third working cylinder; 63. Plate; 64. First forming seat; 65. First clamp; 66. Sliding block; 67. Slide; 68. First motor; 71. Second forming seat; 72. Second clamp; 81. Cutting knife; 82. Fourth working cylinder; 83. Second connecting rod; 91. Grouping channel; 101. First conveying wheel; 201. Second conveying wheel. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] Reference Figure 1 A conveying device for producing sweet potato ring powder, a first support frame 13 and a second support frame 14, a first conveyor belt 1 for conveying strip powder 5 is arranged on the first support frame 13, and a second conveyor belt 2 for conveying ring powder is arranged on the second support frame 14. The first conveyor belt 1 is located above the second conveyor belt 2. A shaping structure is arranged between the first conveyor belt 1 and the second conveyor belt 2, and the shaping structure is used to shape the strip powder 5 into ring powder, and the shaping structure is located between the discharging station of the first conveyor belt 1 and the feeding station of the second conveyor belt 2.

[0028] refer to Figure 1 and Figure 2 The first conveyor belt 1 is supported and conveyed by two first conveyor wheels 101, and the first conveyor wheel 101 is rotatably connected to the first support frame 13. The first support frame 13 is provided with a second motor for driving the first conveyor wheel 101 to rotate. The first conveyor belt 1 is provided with a plurality of hanging rods 3, and the hanging rods 3 are used to hang the strip powder 5. The plurality of hanging rods 3 are evenly arranged on the conveying path of the first conveyor belt 1. The first conveyor belt 1 is composed of two first belt bodies, and the two sides of the hanging rods 3 are fixedly connected to the first belt body through the first connecting rods 31 respectively.

[0029] refer to Figure 1 , Figure 2 and Figure 3 , a grouping seat 9 is provided on the first support frame 13, and a plurality of grouping channels 91 are provided at the lower part of the grouping seat 9, and the grouping channels 91 are used to group the strip powder 5 on the hanging rod 3. Specifically, the horizontal cross section of the grouping channel 91 is a trapezoid, the feed port of the grouping channel 91 is a large end face, and the discharge port of the grouping channel 91 is a small end face, and a tip is provided between the feed ports of adjacent grouping channels 91 on the grouping seat 9. The lower part of the grouping seat 9 contacts the upper part of the hanging rod 3 on the lower conveying path of the first conveyor belt 1, and when the hanging rod 3 passes through the grouping seat 9, the tip of the grouping seat 9 can be inserted between the strip powder 5 on the hanging rod 3 to separate the strip powder 5, and the strip powder 5 enters the grouping channel 91 to be grouped to obtain a vermicelli group.

[0030] refer to Figure 1The shaping structure includes a first unloading group 6, a second unloading group 7 and a cutting assembly 8, wherein the cutting assembly 8 is located between the first unloading group 6 and the second unloading group 7, and the cutting assembly 8 is installed on a first support frame 13. The conveying device is also provided with a workbench 12, and the workbench 12 is fixedly connected to the second support frame 14. The first unloading group 6 and the second unloading group 7 are located above the workbench 12, the first unloading group 6 is connected to the workbench 12 through a first working cylinder 10, and the second unloading group 7 is connected to the workbench 12 through a second working cylinder 11, and the axes of the first working cylinder 10 and the second working cylinder 11 are respectively arranged vertically, and the first working cylinder 10 is used to adjust the position of the first unloading group 6 in the vertical direction, and the second working cylinder 11 is used to adjust the position of the second unloading group 7 in the vertical direction.

[0031] Specifically, the above-mentioned cutting assembly 8 includes a cutting knife 81 and a fourth working cylinder 82. The cutting knife 81 is connected to the working end of the fourth working cylinder 82. The axis of the fourth working cylinder 82 is vertically arranged. The fourth working cylinder 82 can push the cutting knife 81 to realize the movement and cutting action of the cutting knife 81 in the vertical direction.

[0032] refer to Figure 5 The first conveyor belt 1 is provided with a cutting station on the lower conveying path, and the grouping seat 9 is located in front of the cutting station. The cutting assembly 8 is fixed at the cutting station, and the fourth working cylinder 82 of the cutting assembly 8 is fixedly connected to the first support frame 13 through the second connecting rod 83, and the cutting knife 81 is located above the hanging rod 3 on the lower conveying path of the first conveyor belt 1. When the hanging rod 3 passes through the cutting station, the cutting knife 81 cuts the strip-shaped powder 5 on the hanging rod 3 from above the hanging rod 3, and obtains vermicelli segments on both sides of the hanging rod 3.

[0033] refer to Figure 5 , Figure 6 and Figure 7The first unloading group 6 includes a support 61, a third working cylinder 62, a plate body 63, a first forming seat 64 and a first clamp 65. The support 61 is fixedly connected to the first working cylinder 10. The support 61 and the plate body 63 are connected through two third working cylinders 62. The axis of the third working cylinder 62 is horizontally arranged. The third working cylinder 62 is used to adjust the horizontal position of the plate body 63. A plurality of first forming seats 64 are arranged at the lower part of the plate body 63. The first forming seat 64 is provided with a first clamp 65. The first clamp 65 is used to clamp the above-mentioned vermicelli segment. A slider 66 and a circular slide 67 are arranged at the bottom of the first forming seat 64. The slider 66 matches the slide 67 and is slidably connected. The slider 66 is fixedly connected to the first clamp 65. A first motor 68 is also provided on the first forming seat 64. The output shaft of the first motor 68 is coaxially arranged with the circular slide groove 67. The output shaft of the first motor 68 is connected to the slider 66. The first motor 68 can move along the slide groove 67 with the slider 66 and the first clamp 65. The sliding path of the first clamp 65 is circular, which can form a twisting action of the vermicelli segment.

[0034] The first unloading group 6 and the second unloading group 7 have the same structure, and the second unloading group 7 is also provided with a second forming seat 71 and a second clamp 72. The first unloading group 6 and the second unloading group 7 are symmetrically arranged on both sides of the cutting assembly 8, and the first forming seat 64 of the first unloading group 6 and the second forming seat 71 of the second unloading group 7 are arranged opposite to each other.

[0035] refer to Figure 1 and Figure 4 The second conveyor belt 2 is supported and conveyed by two second conveyor wheels 201, the second conveyor wheels 201 are rotatably connected to the second support frame 14, and the second support frame 14 is provided with a third motor for driving the second conveyor wheels 201 to rotate. The second conveyor belt 2 is provided with a plurality of conveyor units 21, and the plurality of conveyor units 21 are evenly arranged on the conveying path of the second conveyor belt 2. A plurality of round boxes 4 evenly arranged in a single row are provided on one conveyor unit 21, and the round boxes 4 are used to contain the circle powder.

[0036] The second conveyor belt 2 is provided with a first unloading station 401 and a second unloading station 402, which are located below the cutting station, and the cutting station is located between the first unloading station 401 and the second unloading station 402. The first unloading group 6 corresponds to the first unloading station 401, and the second unloading group 7 corresponds to the second unloading station 402. The number and position arrangement of the grouping channels 91 of the grouping seat 9, the first forming seat 64 of the first unloading group 6, and the second forming seat 71 of the second unloading group 7 correspond to the number and position arrangement of the round box bodies 4 on a conveying unit 21 on the second conveyor belt 2.

[0037] The grouping channel 91 of the grouping seat 9 groups the strip-shaped noodles 5 on the hanging rod 3, and obtains a vermicelli group on the hanging rod 3 whose number and position arrangement correspond to the number and position arrangement of the round box body 4. The cutting knife 81 cuts the vermicelli group on the hanging rod 3 to obtain vermicelli segments, and the first clamp 65 on the first forming seat 64 and the second clamp 72 on the second forming seat 71 can respectively clamp the vermicelli segments and move the vermicelli segments to the top of the corresponding round box body 4. The first clamp 65 and the second clamp 72 respectively rotate to complete the twisting of the vermicelli segments, and obtain circles of vermicelli inside the round box body 4.

[0038] The working process of the conveying device for producing sweet potato ring noodles is as follows:

[0039] Step 1: Hang the strip powder 5 on the hanging rod 3 on the first conveyor belt 1, and the first conveyor belt 1 carries the hanging rod 3 and the strip powder 5 for conveyance;

[0040] At this time, the first working cylinder 10 and the second working cylinder 11 are in the initial state, the first working cylinder 10 and the second working cylinder 11 are in the contracted state, and the first unloading group 6 and the second unloading group 7 are located below the hanging rod 3;

[0041] Step 2: The hanging rod 3 passes through the grouping seat 9, and the tip of the grouping seat 9 can be inserted into the strip powder 5 on the hanging rod 3 to separate the strip powder 5, and the strip powder 5 enters the grouping channel 91 to be grouped, and the vermicelli group is obtained on the hanging rod 3;

[0042] Step 3: The hanging rod 3 enters the cutting station, the first working cylinder 10 pushes the first unloading group 6 upward, and the second working cylinder 11 pushes the second unloading group 7 upward, refer to Figure 5 The first unloading group 6 and the second unloading group 7 are respectively located on both sides of the hanging rod 3, the first clamp 65 of the first unloading group 6 clamps the first vermicelli segment on one side of the hanging rod 3, and the second clamp 72 of the second unloading group 7 clamps the second vermicelli segment on the other side of the hanging rod 3;

[0043] Step 4: The fourth working cylinder 82 pushes the cutting knife 81 downward, and the cutting knife 81 cuts the vermicelli group on the hanging rod 3 from above the hanging rod 3, and the first vermicelli segment and the second vermicelli segment are separated;

[0044] Step 5: Reference Figure 8, the first working cylinder 10 and the third working cylinder 62 work together to move the first forming seat 64 to the top of the first discharge station 401, and keep the round box body 4 coaxial with the slide groove 67 of the first forming seat 64. At this time, the first forming seat 64 is in the forming position, and the first working cylinder 10 shortens to move the first forming seat 64 downward, and the lower part of the first vermicelli segment enters the round box body 4 of the first discharge station 401. At the same time, the first motor 68 moves the slider 66 and the first clamp 65 along the circular slide groove 67 to form a rotation action of the upper part of the first vermicelli segment, so that the first vermicelli segment twists on the round box body 4 of the first discharge station 401 and forms a circle of vermicelli inside the round box body 4;

[0045] Similarly, the second vermicelli segment can be twisted on the round box body 4 of the second unloading station 402 and form a circle of vermicelli inside the round box body 4;

[0046] Step 6: When the first vermicelli segment forms circles of vermicelli inside the round box body 4 of the first unloading station 401, the first clamp 65 releases the clamping of the upper part of the first vermicelli segment and returns to the initial state; similarly, the second vermicelli segment forms circles of vermicelli inside the round box body 4 of the second unloading station 402, and the second clamp 72 releases the clamping of the upper part of the second vermicelli segment and returns to the initial state;

[0047] The first conveyor belt 1 continuously feeds the strip powder 5, and steps 3, 4, 5 and 6 are repeated to achieve continuous processing.

[0048] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A conveying device for producing sweet potato ring noodles, comprising a first conveyor belt for conveying strip noodles and a second conveyor belt for conveying ring noodles, wherein a round box for placing the ring noodles is arranged on the second conveyor belt, characterized in that: A shaping structure for shaping the strip powder into circle powder is arranged between the first conveyor belt and the second conveyor belt. The shaping structure includes a first discharge group, a second discharge group and a cutting component. The cutting component is located between the first discharge group and the second discharge group. The cutting component is used to cut the strip powder into two vermicelli segments. The first discharge group and the second discharge group are respectively used to move and wind the vermicelli ends inside the round box body to obtain circle powder.

2. The conveying device for producing sweet potato ring noodles according to claim 1, characterized in that: The first conveyor belt is provided with a plurality of hanging rods, and the plurality of hanging rods are evenly arranged on the conveying path of the first conveyor belt. The first conveyor belt is provided with a cutting station, and the cutting assembly is fixed at the cutting station. The cutting assembly is used to cut the strip noodles on the hanging rods at the cutting station and obtain vermicelli segments on both sides of the hanging rods; The second conveyor belt is provided with a first unloading station and a second unloading station, wherein the first unloading station and the second unloading station are located below the cutting station, and the cutting station is located between the first unloading station and the second unloading station; The first unloading group corresponds to the first unloading station, and the first unloading group is used to move the first vermicelli segment into the round box body of the first unloading station and roll it into a circle. The second unloading group corresponds to the second unloading station, and the second unloading group is used to move the second vermicelli segment into the round box body of the second unloading station and roll it into a circle.

3. The conveying device for producing sweet potato ring powder according to claim 2, characterized in that: The first unloading group includes a support, a third working cylinder, a plate body, a first forming seat and a first clamp, the support and the plate body are connected by at least one third working cylinder, the axis of the third working cylinder is arranged horizontally, a plurality of first forming seats are arranged at the lower part of the plate body, a first clamp for clamping the vermicelli segment is arranged on the first forming seat, the first clamp is slidably connected to the first forming seat, and the sliding path of the first clamp is circular; The second conveyor belt is provided with a plurality of conveying units, and the plurality of conveying units are evenly arranged on the conveying path of the second conveyor belt. A plurality of round boxes evenly arranged in a single row are provided on one conveying unit, and the number and position arrangement of the first forming seats correspond to the number and position arrangement of the round boxes of a conveying unit on the second conveyor belt.

4. The conveying device for producing sweet potato ring powder according to claim 3, characterized in that: The first conveyor belt is provided with a grouping seat for grouping the strip flour on the hanging rod, the lower part of the grouping seat contacts the upper part of the hanging rod on the lower conveying path of the first conveyor belt, and the lower part of the grouping seat is provided with a plurality of grouping channels, and the strip flour enters the grouping channels to be grouped to obtain vermicelli groups; The grouping seat is located in front of the cutting station, and the number and position arrangement of the grouping channels correspond to the number and position arrangement of the first forming seat.

5. The conveying device for producing sweet potato ring powder according to claim 4, characterized in that: The horizontal cross section of the grouping channel is a trapezoid, the feed port of the grouping channel is a large end face, the discharge port of the grouping channel is a small end face, and a tip is arranged between the feed ports of adjacent grouping channels on the grouping seat.

6. The conveying device for producing sweet potato ring powder according to claim 5, characterized in that: The first unloading group and the second unloading group are symmetrically arranged on both sides of the cutting component, the first forming seat of the first unloading group and the second forming seat of the second unloading group are arranged opposite to each other, and the number and position arrangement of the second forming seats correspond to the number and position arrangement of the round box bodies of a conveying unit on the second conveyor belt.

7. The conveying device for producing sweet potato ring noodles according to any one of claims 1 to 6, characterized in that: The cutting assembly comprises a cutting knife and a fourth working cylinder. The cutting knife is connected to the working end of the fourth working cylinder. The axis of the fourth working cylinder is vertically arranged to form a vertical movement and cutting action of the cutting knife.

8. The conveying device for producing sweet potato ring flour according to any one of claims 1 to 6, characterized in that: A slider and a circular slide groove are provided at the bottom of the first forming seat, the slider matches with the slide groove and is slidably connected to the slide groove, and the slider is fixedly connected to the first clamp.