Small threshing and winnowing all-in-one machine for raspberries

By designing a small-scale threshing and air-separation integrated machine, using food-grade rubber material and rubber pads to protect the fruit pulp, and combining a gasoline engine drive and a centrifugal fan, the problems of expensive raspberry harvesting machines and fruit pulp damage have been solved, achieving efficient threshing and convenient maintenance.

CN223798823UActive Publication Date: 2026-01-16朱一博
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Patent Information

Application Number
CN202520373057.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-01-16
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

Existing large raspberry harvesting machines are expensive, inconvenient to move, and require professional maintenance, while small threshing machines cause serious damage to the raspberry pulp and are not suitable for threshing vine-like shrubs.

Method used

A small-scale raspberry threshing and air-separation integrated machine was designed, including a frame, a traction device, a threshing device, and an air-separation device. It utilizes food-grade rubber threshing blocks and rubber pads to protect the fruit pulp, and combines a gasoline engine drive and a centrifugal fan to achieve threshing and air separation of vine-like shrubs, reducing fruit pulp breakage.

Benefits of technology

It achieves the protection of raspberry pulp integrity, the equipment is miniaturized for easy transfer and maintenance, reduces costs, and improves threshing efficiency and pulp quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

A small threshing and winnowing all-in-one machine for raspberries comprises a machine frame, a traction device, a threshing device and a winnowing device, the traction device, the threshing device and the winnowing device are arranged on the machine frame, the traction device is used for traction of vine-shaped shrubs, the threshing device is arranged at the front end of the traction device and used for threshing the raspberries on the vine-shaped shrubs, and the winnowing device is arranged below the threshing device and used for winnowing the raspberries on the vine-shaped shrubs. The threshing device comprises a front baffle fixedly connected with the rack and a plurality of threshing blocks fixedly connected to the front baffle, a through hole allowing main branches of the rattan shrubs to penetrate through is formed in the front baffle, the threshing blocks are circumferentially and evenly distributed around the through hole, and a narrow slit allowing auxiliary branches of the rattan shrubs to pass through is formed between every two adjacent threshing blocks; according to the scheme, the small threshing and winnowing all-in-one machine for the raspberries is provided, the threshing and winnowing functions are achieved, meanwhile, crushing of pulp can be reduced, the small threshing and winnowing all-in-one machine for the raspberries is compact and reasonable in structural design, the small equipment is convenient to transfer and maintain, and the cost is effectively controlled.
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Description

Technical Field

[0001] This utility model relates to a small-scale integrated threshing and air-separation machine for raspberries. Background Technology

[0002] Raspberries, also known as raspberries, have certain medicinal value. Raspberries grow on vine-like shrubs, which consist of a main branch and several secondary branches that are irregularly intersecting on the main branch. The vine-like shrubs have many thorns, so manual harvesting is costly and the hands of harvesters are easily injured.

[0003] Existing large-scale raspberry harvesting machines generally achieve the raspberry threshing process through threshing drums. Large-scale raspberry harvesting machines have problems such as high price, inconvenience in equipment relocation, and the need for regular maintenance by professional personnel.

[0004] Traditional small-scale baffle-type threshing machines are not easily suitable for raspberry threshing because their threshing process is rather crude and easily damages the raspberry flesh. Given the unique shape of the vine-like shrub and the soft, tender flesh of the raspberry, the development of a small-scale raspberry harvesting machine has been challenging. Summary of the Invention

[0005] To address the shortcomings mentioned above, this utility model provides a small-scale integrated threshing and air-classifying machine for raspberries.

[0006] To achieve the above objectives, this utility model provides a small-scale integrated threshing and air-separating machine for raspberries, including a frame and a traction device, a threshing device, and an air-separating device mounted on the frame. The traction device is used for traction of vine-like shrubs. The threshing device is located at the front end of the traction device and is used for threshing raspberries on the vine-like shrubs. The air-separating device is located below the threshing device. The threshing device includes a front baffle fixed to the frame and multiple threshing blocks fixed to the front baffle. A through hole is formed on the front baffle for the main branches of the vine-like shrub to pass through. The multiple threshing blocks are evenly distributed circumferentially around the through hole, and a narrow slit is formed between adjacent threshing blocks for the secondary branches of the vine-like shrub to pass through.

[0007] Furthermore, there are twelve threshing blocks made of food-grade rubber. To facilitate the entry of secondary branches of vine-like shrubs into the narrow slits, a guide portion is formed on the inner side of each threshing block.

[0008] Furthermore, a rubber pad is also attached to the side of the front baffle near the threshing block.

[0009] Further, the frame is provided with a gasoline engine as a power source, the traction device comprises a chain wheel and chain, a plurality of pressing members arranged above the chain wheel and chain, and a pressure bearing plate arranged below the chain wheel and chain, and the winnowing device comprises one or more centrifugal fans.

[0010] Further, the pressing members comprise a roller frame and rollers rotatably arranged on the roller frame, the roller frame is movably connected to the frame, the roller frame and the frame are provided with supporting springs, and the rollers are V-shaped wheels.

[0011] Further, a belt pulley a coaxially rotatable with the driving shaft of the chain wheel and chain is arranged on the frame, an intermediate transmission shaft is arranged on the frame, a belt pulley b and a belt pulley c coaxially rotatable with the intermediate transmission shaft are arranged on the intermediate transmission shaft, a belt pulley d is arranged on the output shaft of the gasoline engine, a belt pulley e coaxially rotatable with the impeller shaft of the centrifugal fan is arranged on the centrifugal fan, the belt pulley d is in transmission connection with the belt pulley c through a first belt, the belt pulley c is in transmission connection with the belt pulley e through a second belt, so that the transmission between the gasoline engine and the centrifugal fan is realized, and the belt pulley b is in transmission connection with the belt pulley a through a third belt, so that the transmission between the gasoline engine and the chain wheel and chain is realized.

[0012] Further, a hopper is arranged on the frame and located below the threshing device, universal wheels with self-locking function are arranged on the bottom of the frame.

[0013] Further, a push handle is arranged on one side of the frame.

[0014] The present application has the following beneficial effects compared with the prior art:

[0015] 1. The scheme provides a small-sized threshing and winnowing integrated machine for raspberries, which can reduce the crushing of fruit flesh, ensure the integrity of the appearance of fruit flesh, and has a better threshing effect while realizing the functions of threshing and winnowing.

[0016] 2. The small-sized threshing and winnowing integrated machine for raspberries has compact and reasonable structure design, and the small-sized equipment is convenient for transfer and maintenance, and effectively controls the cost. DRAWINGS

[0017] Figure 1 Fig. 1 is a front view of the small-sized threshing and winnowing integrated machine for raspberries;

[0018] Figure 2 Fig. 2 is an enlarged view of the pressing members in Fig. 1; Figure 1

[0019] Figure 3 Fig. 5 is a side view of the small-sized threshing and winnowing integrated machine for raspberries; ​

[0020] Figure 4 Fig. 1 is a schematic view of the process of pulling and threshing the vine shrub.

[0021] In the figure: 1, universal wheel; 2, frame; 3, push handle; 4, pulling device; 41, chain wheel chain; 42, pressure plate; 43, compression part; 431, roller frame; 432, roller; 433, supporting spring; 44, pulley a; 5, threshing device; 51, front baffle; 511, through hole; 52, threshing block; 521, guide part; 53, narrow slit; 6, winnowing device; 61, centrifugal fan; 62, pulley e; 7, hopper; 8, gasoline engine; 81, pulley d; 9, intermediate transmission shaft; 10, pulley c; 11, pulley b; 12, first belt; 13, second belt; 14, third belt; 15, vine shrub; 151, main branch; 152, secondary branch. DETAILED DESCRIPTION

[0022] As Figures 1-4 shown, the utility model embodiment's small -size threshing and winnowing integrated machine for raspberry, including frame 2 and being located frame 2 on pulling device 4, threshing device 5, winnowing device 6, pulling device 4 is used for the traction of vine shrub 15, threshing device 5 is located the front end of pulling device 4, threshing device 5 is used for the threshing of raspberry on vine shrub 15, winnowing device 6 is located the below of threshing device 5, and threshing device 5 includes with frame 2 fixed connection's front baffle 51, fixed connection on front baffle 51 multiple threshing block 52, front baffle 51 forms there is the through hole 511 for the main branch 151 of vine shrub 15 passes through, and multiple threshing block 52 is arranged around the through hole 511 and is evenly distributed in a circle, and the narrow slit 53 for the secondary branch 152 of vine shrub 15 passes through is formed between adjacent two threshing blocks 52.

[0023] More specifically, the threshing block 52 has twelve, made of food-grade rubber material, for the ease of the branchlets 152 of the vine bush 15 into the narrow gap 53, the inner side of the threshing block 52 is formed with a guide part 521, so that in the process of the main branch 151 being pulled to move, the branchlets 152 will always enter into the adjacent one of the narrow gaps 53, the raspberries on the branchlets 152 will reach the front baffle 51 and be threshed; the side of the front baffle 51 close to the threshing block 52 is also attached with a rubber pad, which plays a role in protecting the pulp of the raspberries, avoiding direct impact; the frame 2 is provided with a gasoline engine 8 as a power source, the traction device 4 includes a chain wheel and chain 41, a plurality of pressing members 43 arranged above the chain wheel and chain 41, and a pressure bearing plate 42 arranged below the chain wheel and chain 41, the pressure bearing plate 42 is used to support the chain wheel and chain 41, the winnowing device 6 includes one or more centrifugal fans 61; the pressing member 43 includes a roller frame 431 and a roller 432 rotatably arranged on the roller frame 431, the roller frame 431 is movably connected to the frame 2, the roller frame 431 and the frame 2 are provided with a supporting spring 433, the roller 432 is a V-shaped wheel, which is conducive to keeping the main branch 151 straight when being pulled, and the supporting spring 433 is arranged to make the roller 432 have a certain bounce in the height direction, which is also suitable for the traction of the main branch 151 of the vine bush 15 of different sizes; a belt pulley a 44 coaxially rotates on the drive shaft of the chain wheel and chain 41, a middle transmission shaft 9 is arranged on the frame 2, the middle transmission shaft 9 is provided with a belt pulley b 11 and a belt pulley c 10 coaxially rotating, a belt pulley d 81 is arranged on the output shaft of the gasoline engine 8, a belt pulley e 62 coaxially rotates on the impeller shaft of the centrifugal fan 61, the belt pulley d 81 is in transmission connection with the belt pulley c 10 through a first belt 12, the belt pulley c 10 is in transmission connection with the belt pulley e 62 through a second belt 13, so as to realize the transmission between the gasoline engine 8 and the centrifugal fan 61; the belt pulley b 11 is in transmission connection with the belt pulley a 44 through a third belt 14, so as to realize the transmission between the gasoline engine 8 and the chain wheel and chain 41; a hopper 7 is arranged on the frame 2, the hopper 7 is located below the threshing device 5, universal wheels 1 are arranged on the bottom of the frame 2, which facilitates the movement of the whole machine, the universal wheels 1 have a self-locking function, which ensures the stability of the whole machine in the working site; a push handle 3 is arranged on one side of the frame 2, and the whole machine can be quickly transferred by pushing the push handle 3.

[0024] The scheme provides a small threshing and winnowing integrated machine for raspberries, which can realize threshing and winnowing functions, reduce the crushing of pulp, ensure the integrity of the appearance of the pulp, has a better threshing effect, has a compact and reasonable structure, and is small in size, which facilitates transfer and maintenance and effectively controls the cost.

[0025] In specific use, for the convenience of understanding the utility model, the description is made in combination with the drawings;

[0026] The gasoline engine 8 starts, the traction device 4 works, the chain wheel chain 41 realizes the conveying work from right to left, meanwhile, the centrifugal fan 61 works to supply high-speed fluid, after the staff wears gloves, the main branch 151 of the vine shrub 15 is inserted into the through hole 511, the main branch 151 is inserted into position and is pulled and moves linearly, the branch 152 always enters a narrow gap 53 near the main branch 151 in the process of moving with the main branch 151, the raspberry on the branch 152 is isolated outside the circumference formed by the threshing block 52, then, the raspberry on the branch 152 reaches the front baffle 51 and is threshed; after threshing, the raspberry falls to the hopper 7 due to gravity and is collected, the leaves of the raspberry are blown away by the airflow of the centrifugal fan 61.

[0027] The raspberry small threshing and winnowing integrated machine does not change the shape of the vine shrub 15 as much as possible in the threshing process, meanwhile, through reasonable control of the traction speed, the pulp of the raspberry on the branch 152 only has slight contact with the front baffle 51 and the threshing block 52, so that the integrity of the pulp appearance is guaranteed to the maximum extent.

[0028] The above only describes preferred embodiments of the present application and is not used to limit the present application, for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A small raspberries threshing and winnowing integrated machine, comprising a frame (2) and a traction device (4), a threshing device (5) and a winnowing device (6) arranged on the frame (2), the traction device (4) is used for the traction of the vine shrubs (15), the threshing device (5) is arranged at the front end of the traction device (4), the threshing device (5) is used for the threshing of raspberries on the vine shrubs (15), and the winnowing device (6) is arranged below the threshing device (5), characterized in that: The threshing device (5) comprises a front baffle (51) fixed to the frame (2), and a plurality of threshing blocks (52) fixed to the front baffle (51), wherein a through hole (511) is formed in the front baffle (51) for the main branch (151) of the vine to pass through, and the plurality of threshing blocks (52) are circumferentially and evenly arranged around the through hole (511), and a narrow gap (53) is formed between two adjacent threshing blocks (52) for the secondary branch (152) of the vine to pass through. ​ 2. A small-sized threshing and winnower integrated machine for raspberries according to claim 1, characterized in that: The twelve threshing blocks (52) are made of food-grade rubber material, and a guide part (521) is formed on the inner side of the threshing block (52) to facilitate the secondary branch (152) of the vine to enter the narrow gap (53).

3. A small-sized threshing and winnower integrated machine for raspberries according to claim 2, characterized in that: The front baffle (51) is further attached with a rubber pad on the side close to the threshing block (52).

4. A small-sized threshing and winnower integrated machine for raspberries according to claim 1, characterized in that: The frame (2) is provided with a gasoline engine (8) as a power source, the traction device (4) comprises a chain wheel and chain (41), a plurality of pressing members (43) arranged above the chain wheel and chain (41), and a pressure bearing plate (42) arranged below the chain wheel and chain (41), and the winnowing device (6) comprises one or more centrifugal fans (61).

5. A small-sized dehusking and winnower integrated machine for raspberries as claimed in claim 4, wherein: The pressing member (43) comprises a roller frame (431) and a roller (432) rotatably arranged on the roller frame (431), the roller frame (431) is movably connected to the frame (2), the roller frame (431) and the frame (2) are provided with a supporting spring (433), and the roller (432) is a V-shaped wheel.

6. A small-sized threshing and winnower integrated machine for raspberries according to claim 5, characterized in that: A belt pulley a (44) coaxially rotates on the drive shaft of the chain wheel and chain (41), an intermediate transmission shaft (9) is arranged on the frame (2), a belt pulley b (11) and a belt pulley c (10) coaxially rotate on the intermediate transmission shaft (9), a belt pulley d (81) is arranged on the output shaft of the gasoline engine (8), a belt pulley e (62) coaxially rotates on the impeller shaft of the centrifugal fan (61), the belt pulley d (81) is in transmission connection with the belt pulley c (10) through a first belt (12), the belt pulley c (10) is in transmission connection with the belt pulley e (62) through a second belt (13), so as to realize the transmission between the gasoline engine (8) and the centrifugal fan (61), and the belt pulley b (11) is in transmission connection with the belt pulley a (44) through a third belt (14), so as to realize the transmission between the gasoline engine (8) and the chain wheel and chain (41).

7. A small-sized dehusking and winnower integrated machine for raspberries as claimed in claim 1, wherein: A hopper (7) is arranged on the frame (2), the hopper (7) is located below the threshing device (5), the bottom of the frame (2) is provided with a universal wheel (1), and the universal wheel (1) has a self-locking function.

8. A small-sized threshing and winnower integrated machine for raspberries according to claim 7, characterized in that: A push handle (3) is arranged on one side of the frame (2).