A kind of shift pressure cocoon wheel group of cocoon picking machine

Abstract

A kind of group of poking and moving cocoon pressing wheel of cocoon picking machine, poking wheel cover is arranged on poking wheel main shaft, the arc length between the top of two adjacent pressing wheel teeth on poking wheel is same with the long side of rectangular frame on cocoon rearing cluster, the tooth height of pressing wheel tooth is greater than or equal to 35% of cocoon column height, pressing wheel tooth is located in the middle of rectangular frame on cocoon rearing cluster, the tooth width of pressing wheel tooth is greater than or equal to 50% of the width of rectangular frame on cocoon rearing cluster.Ensure that there is a poking wheel mesh driving in each rectangular frame on cocoon rearing cluster, the rotation of pressing wheel tooth on poking wheel can drive cocoon rearing cluster to move in one direction, and can also apply low pressure to cocoon fruit around rectangular frame, force cocoon fruit to move down along cocoon column under vertical pressure, so that smooth cocoon picking can be realized, the phenomenon of accidental blood cocoon during cocoon picking process is eliminated, and the first cocoon picking rate is improved.

Description

Technical Field

[0001] This utility model relates to a cocoon harvesting machine, and more particularly to a shifting wheel in the cocoon harvesting machine, belonging to the field of mechanized cocoon harvesting technology. Background Technology

[0002] In the silkworm rearing process, silkworm cocoons are accumulated on cocoon-making equipment. Traditionally, cocoon-making equipment was made of straw, but now the commonly used cocoon-making equipment is made of industrially produced plastic products.

[0003] In the field of mechanized silkworm cocoon harvesting, the efficient removal of cocoons from cocoon-forming tools has always been a technical challenge. The applicant disclosed an electric cocoon harvesting machine in ZL202222634929.2, which uses a tool-shifting drive device to drive the shifting wheel on the main shaft to move the cocoon-forming tools, and works with the separation comb claws fixed on the worktable to remove the cocoons. However, this scheme has significant drawbacks: First, the shifting wheel only serves to move the cocooning device horizontally in one direction, and cannot apply vertical downward pressure to the cocoon fruits. Since the cocoon fruits are secured to the cocooning device and the cocoon dropping column by the silk bundle, the cocoon fruits located in the rectangular cocoon grid on the cocooning device rely solely on the forced tearing and pressure of the gradient surface at the lower end of the separating comb to peel them off, resulting in some getting stuck and easily producing blood cocoons. Second, the gap (0.1-2 mm) between the separating comb and the lower end surface of the cocoon grid is difficult to control precisely. If the gap is too small, it will hinder the movement of the cocooning device; if it is too large, it will reduce the cocoon removal rate. Although the existing technology can achieve mechanized cocoon harvesting, the cocoon fruits secured to the cocoon dropping column can only be removed from the cocooning device by the forced squeezing and tearing of the separating comb. During this process, the cocoons are easily damaged by excessive forced squeezing and tearing of the separating comb, resulting in blood cocoons. This turns the originally high-quality cocoons into low-quality cocoons, preventing a bumper harvest of cocoons and directly affecting the economic benefits of silkworm farmers. Utility Model Content

[0004] To solve the above-mentioned technical problems, the purpose of this utility model is to provide a cocoon-pulling and pressing wheel assembly for a cocoon harvesting machine. It can drive the cocoon cluster to move unidirectionally in a predetermined direction, and can also apply low-pressure vertical pressure to the cocoon fruits located in the rectangular cocoon grid on the cocoon cluster. This allows the cocoon fruits to be pressed down vertically along the cocoon-dropping column under low pressure and fall off smoothly. This not only achieves smooth cocoon removal with low energy consumption, but also eliminates the phenomenon of blood cocoons being accidentally generated during the cocoon removal process, improves the first-pass cocoon removal rate, and helps silkworm farmers achieve a bumper harvest and increased production efficiency.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A cocoon-pressing wheel assembly for a cocoon-harvesting machine includes a shifting wheel main shaft and shifting wheels. The shifting wheel includes cocoon-pressing wheel teeth and connecting wheel spokes. Multiple cocoon-pressing wheel teeth are provided, and all cocoon-pressing wheel teeth are evenly arranged circumferentially on the outer side of the connecting wheel spokes. The shifting wheel is sleeved on the shifting wheel main shaft through the connecting wheel spokes. The arc length between the tips of two adjacent cocoon-pressing wheel teeth on the shifting wheel is the same as the long side of the rectangular frame on the cocoon-setting device. The tooth height of the cocoon-pressing wheel teeth is greater than or equal to 35% of the height of the cocoon-dropping column. The center line of the tooth width of the cocoon-pressing wheel teeth coincides with the center line of the wide side of the rectangular frame on the cocoon-setting device. The tooth width of the cocoon-pressing wheel teeth is greater than or equal to 50% of the wide side of the rectangular frame on the cocoon-setting device.

[0007] Furthermore, the tooth tip of the cocoon pressing wheel is a smooth arc surface.

[0008] Furthermore, the tooth height of the cocoon pressing wheel is 50% to 75% of the height of the cocoon dropping column.

[0009] Furthermore, the tooth width of the cocoon pressing wheel is 60% to 80% of the width of the rectangular frame on the cocoon cluster.

[0010] Furthermore, the cocoon pressing wheel teeth are a split assembly structure, and the width of the assembled teeth is 50% to 95% of the width of the rectangular frame on the cocoon cluster tool.

[0011] Furthermore, the cross-sectional shape of the central hole, which is set at the center of the connecting wheel spoke and mates with the main shaft of the shift wheel, is a regular polygon.

[0012] Furthermore, the cross-sectional shape of the central hole of the connecting wheel spoke is a regular quadrilateral.

[0013] Furthermore, an outer connecting ring is provided on the outer side of the connecting wheel spoke. The root of the cocoon pressing wheel tooth is fixedly connected to the ring body of the outer connecting ring. An inner concave connecting surface is connected between the connecting wheel spoke and the outer connecting ring. Multiple evenly distributed outer ring reinforcing ribs are integrally connected to the side of the inner concave connecting surface, and the outer ring reinforcing ribs are arranged in a one-to-one correspondence with the cocoon pressing wheel tooth.

[0014] Furthermore, a concave surface is provided on the side of the cocoon pressing wheel tooth, and the concave surface of the wheel tooth is integrally connected with a wheel tooth axis reinforcing rib and a wheel tooth reinforcing rib, and the wheel tooth reinforcing rib is located on both sides of the wheel tooth axis reinforcing rib.

[0015] Furthermore, the two ends of the connecting wheel spoke are convex.

[0016] The beneficial effects achieved by this utility model are:

[0017] Due to structural improvements to the shifting wheel, the shifting wheel includes cocoon pressing wheel teeth and connecting wheel spokes. Two or more cocoon pressing wheel teeth are evenly arranged circumferentially on the outer side of the connecting wheel spokes. The arc length between the tips of two adjacent cocoon pressing wheel teeth on the shifting wheel is the same as the long side of the rectangular frame on the cocoon setting tool. The tooth height of the cocoon pressing wheel teeth is greater than or equal to 35% of the height of the cocoon dropping column. The center line of the tooth width of the cocoon pressing wheel teeth coincides with the center line of the wide side of the rectangular frame on the cocoon setting tool. The tooth width of the cocoon pressing wheel teeth is greater than or equal to 50% of the wide side of the rectangular frame on the cocoon setting tool. All the shifting wheels are connected to the main shaft of the shifting wheel via connecting wheel spokes, ensuring that there is a shifting wheel in each rectangular frame of the cocoon-forming device to mesh and drive it. The rotation of the cocoon-pressing wheel teeth on the shifting wheel can not only make the cocoon-forming device move in a unidirectional straight line on the plane, but also apply a vertical downward force to the cocoons fixed in the rectangular frame of the cocoon-forming device. This causes the cocoons to be pressed downward with low pressure, forcing them to fall off vertically along the cocoon-dropping column. This not only ensures the smooth fall of the cocoons, but also greatly reduces the production of blood cocoons, and further improves the cocoon-removal rate, resulting in a bumper harvest of cocoons.

[0018] The core technical requirements are the tooth height, tooth width, and tooth tip shape of the cocoon pressing wheel teeth, as well as the requirement that the arc length between the tooth tips of two adjacent cocoon pressing wheel teeth be the same as the long side of the rectangular frame on the cocoon-forming device. Other technical limitations are related to the optimization of the shifting wheel structure. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the connection structure between the shifting wheel and the cocoon cluster.

[0020] Figure 2 This is a schematic diagram of the connection structure between the shift wheel and the shift wheel spindle;

[0021] Figure 3 A schematic diagram of the structure of a shifting wheel with six cocoon pressing teeth;

[0022] Figure 4 for Figure 3 Schematic diagram of the structure at point A in the middle;

[0023] Figure 5 A schematic diagram of the structure of the shifting wheel with four cocoon pressing teeth;

[0024] In the diagram: 1-Main shaft of the shifting wheel; 2-Shifting wheel; 21-Cocoon pressing wheel tooth; 22-Outer connecting ring; 23-Connecting wheel spoke; 24-Inner concave connecting surface; 25-Outer ring reinforcing rib; 26-Inner concave surface of the wheel tooth; 27-Wheel tooth axis reinforcing rib; 28-Wheel tooth reinforcing rib; 3-Cocoon clustering tool; 31-Long side of the rectangular frame; 32-Cocoon dropping column; 33-Wide side of the rectangular frame. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1: A cocoon-pulling and pressing wheel assembly for a cocoon harvesting machine, such as... Figures 1 to 4 As shown, the device includes a main shaft 1 and a shifting wheel 2. The shifting wheel 2 includes six pressing cocoon teeth 21 and a connecting wheel 23. The six pressing cocoon teeth 21 are evenly arranged circumferentially on the outer side of the connecting wheel 23. The shifting wheel 2 is fitted onto the main shaft 1 via the connecting wheel 23. The arc length between the tips of two adjacent pressing cocoon teeth 21 on the shifting wheel 2 is the same as the long side 31 of the rectangular frame on the cocoon-forming tool 3. The tooth height of the pressing cocoon teeth 21 is greater than or equal to 35% of the height of the cocoon-dropping column 32. The center line of the tooth width of the pressing cocoon teeth 21 coincides with the center line of the wide side 33 of the rectangular frame on the cocoon-forming tool 3. The tooth width of the pressing cocoon teeth 21 is 50% of the wide side 33 of the rectangular frame on the cocoon-forming tool 3. The tooth tip surface of the pressing cocoon teeth 21 is a smooth arc surface and is located in the connecting wheel 23. The cross-sectional shape of the central hole that mates with the main shaft 1 of the shifting wheel is a regular quadrilateral. An outer connecting ring 22 is provided on the outside of the connecting wheel spoke 23. The root of the cocoon pressing wheel tooth 21 is fixedly connected to the ring body of the outer connecting ring 22. An inner concave connecting surface 24 is connected between the connecting wheel spoke 23 and the outer connecting ring 22. Multiple evenly distributed outer ring reinforcing ribs 25 are integrally connected to the side of the inner concave connecting surface 24. The outer ring reinforcing ribs 25 are arranged one-to-one with the cocoon pressing wheel tooth 21. A tooth inner concave surface 26 is provided on the side of the cocoon pressing wheel tooth 21. A tooth axis reinforcing rib 27 and a tooth reinforcing rib 28 are integrally connected to the tooth inner concave surface 26. The tooth reinforcing ribs 28 are distributed on both sides of the tooth axis reinforcing rib 27. The two ends of the connecting wheel spoke 23 are convex.

[0027] Due to structural improvements to the shifting wheel 2, the shifting wheel 2 includes six pressing cocoon teeth 21 and a connecting wheel 23. The six pressing cocoon teeth 21 are evenly arranged circumferentially on the outer side of the connecting wheel 23. The arc length between the tips of two adjacent pressing cocoon teeth 21 on the shifting wheel 2 is the same as the long side 31 of the rectangular frame on the cocoon-forming tool 3. The tooth height of the pressing cocoon teeth 21 is greater than or equal to 35% of the height of the cocoon-dropping column 32. The center line of the tooth width of the pressing cocoon teeth 21 coincides with the center line of the wide side 33 of the rectangular frame on the cocoon-forming tool 3. The tooth width of the pressing cocoon teeth 21 is greater than or equal to 50% of the wide side 33 of the rectangular frame on the cocoon-forming tool 3. All the shifting wheels 2 are mounted on the shifting wheel main shaft 1 via connecting wheel spokes 23, ensuring that there is a shifting wheel 2 in each rectangular frame of the cocoon-forming tool 3 that meshes and drives it. The rotation of the cocoon pressing wheel teeth 21 on the shifting wheel 2 can not only make the cocoon-forming tool 3 move in a single direction in a straight line on the plane, but also apply a vertical downward force to the cocoon fruits fixed in the rectangular frame of the cocoon-forming tool 3, so that the cocoon fruits are subjected to low pressure and downward pressure, forcing the cocoon fruits to fall off vertically along the cocoon dropping column. This can not only achieve smooth detachment of the cocoon fruits, but also greatly reduce the production of blood cocoons, and further improve the cocoon removal rate, thus achieving a bumper harvest of cocoons.

[0028] In this example, the core technical requirements are the tooth height, tooth width, and tooth tip shape of the cocoon pressing wheel teeth 21, as well as the requirement that the arc length between the tooth tips of two adjacent cocoon pressing wheel teeth 21 be the same as the long side of the rectangular grid on the cocoon clustering device 3. Other technical features are limited to optimize the structure of the shifting wheel 2.

[0029] Example 2: The difference from Example 1 is that the tooth height of the cocoon pressing wheel tooth 21 is 60% to 75% of the height of the cocoon dropping column 32.

[0030] Example 3: The difference from Example 1 is that the tooth width of the cocoon pressing wheel 21 is 60% to 80% of the width of the rectangular frame 33 on the cocoon clustering tool 3.

[0031] Example 4: The difference from Example 1 is that the cocoon pressing wheel tooth 21 is a split assembly structure, and the tooth width after assembly is 60% to 95% of the width of the rectangular frame on the cocoon clustering tool 3.

[0032] In the above embodiments, the number of cocoon pressing gear teeth 21 can be varied, but 2 to 6 are preferred, for example... Figure 5 It is the four-tooth shift wheel 2. The more teeth there are, the larger the diameter of the shift wheel 2.

Claims

1. A cocoon-feeding machine's cocoon-shifting and pressing wheel assembly, comprising a shifting wheel main shaft (1) and shifting wheels (2), characterized in that: The shifting wheel (2) includes pressing wheel teeth (21) and connecting wheel spokes (23). Multiple pressing wheel teeth (21) are provided. All pressing wheel teeth (21) are evenly arranged on the outside of the connecting wheel spokes (23) in the circumferential direction. The shifting wheel (2) is sleeved on the shifting wheel main shaft (1) through the connecting wheel spokes (23). The arc length between the tooth tips of two adjacent pressing wheel teeth (21) on the shifting wheel (2) is the same as the long side (31) of the rectangular frame on the cocoon-forming tool (3). The tooth height of the pressing wheel teeth (21) is greater than or equal to 35% of the height of the cocoon-dropping column (32). The center line of the tooth width of the pressing wheel teeth (21) coincides with the center line of the wide side (33) of the rectangular frame on the cocoon-forming tool (3). The tooth width of the pressing wheel teeth (21) is greater than or equal to 50% of the wide side (33) of the rectangular frame on the cocoon-forming tool (3).

2. The cocoon-shifting and pressing wheel assembly of the cocoon harvesting machine according to claim 1, characterized in that: The tooth tip of the cocoon pressing wheel (21) is a smooth arc surface.

3. The cocoon-shifting and pressing wheel assembly of the cocoon harvesting machine according to claim 1, characterized in that: The tooth height of the cocoon pressing wheel tooth (21) is 50% to 75% of the height of the cocoon dropping column (32).

4. The cocoon-shifting and pressing wheel assembly of the cocoon harvesting machine according to claim 1, characterized in that: The tooth width of the cocoon pressing wheel (21) is 60% to 80% of the width of the rectangular frame on the cocoon gathering tool (3).

5. The cocoon-shifting and pressing wheel assembly of the cocoon harvesting machine according to claim 1, characterized in that: The cocoon pressing wheel teeth (21) are a split assembly structure, and the width of the assembled teeth is 50% to 95% of the width of the rectangular frame on the cocoon clustering tool (3).

6. The cocoon-shifting and pressing wheel assembly of the cocoon harvesting machine according to claim 1, characterized in that: The cross-sectional shape of the central hole set at the center of the connecting wheel spoke (23) and cooperating with the main shaft (1) of the shift wheel is a regular polygon.

7. The cocoon-shifting and pressing wheel assembly of the cocoon harvesting machine according to claim 6, characterized in that: The cross-sectional shape of the central hole of the connecting wheel spoke (23) is a regular quadrilateral.

8. The cocoon-shifting and pressing wheel assembly of the cocoon harvesting machine according to claim 1, characterized in that: An outer connecting ring (22) is provided on the outside of the connecting wheel (23). The root of the cocoon pressing wheel tooth (21) is fixedly connected to the ring body of the outer connecting ring (22). An inner concave connecting surface (24) is connected between the connecting wheel (23) and the outer connecting ring (22). Multiple uniformly distributed outer ring reinforcing ribs (25) are integrally connected on the side of the inner concave connecting surface (24), and the outer ring reinforcing ribs (25) are correspondingly set with the cocoon pressing wheel tooth (21).

9. The cocoon-shifting and pressing wheel assembly of the cocoon harvesting machine according to claim 5, characterized in that: A concave surface (26) is provided on the side of the cocoon pressing wheel tooth (21), and the concave surface (26) is integrally connected with a tooth axis reinforcing rib (27) and a tooth reinforcing rib (28). The tooth reinforcing rib (28) is provided on both sides of the tooth axis reinforcing rib (27).

10. The cocoon-shifting and pressing wheel assembly of the cocoon harvester according to claim 1, characterized in that: The two ends of the connecting wheel spoke (23) are convex.

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