Crushing device for Chinese chestnuts
The boardnut crushing device addresses low efficiency by using a conveyor belt with overhead rollers and a pneumatic scraping system to continuously process boardnuts, improving throughput and fragment removal.
Patent Information
- Application Number
- CN202421494254.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing chestnut crushing device requires manual chestnut addition, and the number of crushing is limited, making the work efficiency in low.
The conveyor belt and crushing mechanism in the box are adopted, and the combination of crushing rollers and scrapers is designed, combined with the jet mechanism to achieve uninterrupted crushing and cleaning, and improve efficiency.
It realizes uninterrupted chestnut crushing treatment, improves work efficiency, avoids chestnut residues and debris accumulation, and is suitable for large-scale crushing.
Smart Images

Figure CN223096884U_ABST
Abstract
Description
Technical Field
[0001] This patent relates to the field of chestnut processing, specifically a crushing device for chestnuts. Background Art
[0002] There are two types of chestnut flour: raw and cooked, and fine. In real life, chestnut flour steamed pork, chestnut flour mooncakes, etc. use coarse chestnut flour, while fine chestnut flour is processed into cakes, pies and other foods, and is also used to replace ordinary starch when making specific dishes.
[0003] At present, when crushing chestnuts, the chestnuts need to be cooked before crushing. A new chestnut crushing device proposed in the publication number CN214863866U drives the pressing plate downward through a hydraulic cylinder to crush the chestnuts placed on the plate.
[0004] However, the above-mentioned chestnut crushing device requires the staff to constantly add chestnuts to the placement plate during operation, and since the distance between the placement plate and the pressing plate is small, the number of chestnuts crushed each time is also limited, and the working efficiency is low. Therefore, we propose a chestnut crushing device. Utility Model Content
[0005] In view of the shortcomings of the prior art, the purpose of this patent is to provide a crushing device for chestnuts.
[0006] The technical solution adopted by this patent to solve its technical problem is: a crushing device for chestnuts, including a box, a conveyor belt and a crushing mechanism, the conveyor belt and the crushing mechanism are installed in the box, the crushing mechanism is arranged above the conveyor belt, the conveyor belt is electrically connected to an external power supply, and a feed hopper is inserted into the upper wall of the box, and external chestnuts can pass through the feed hopper through the upper wall of the box and fall onto the conveyor belt;
[0007] The crushing mechanism includes a rotating shaft, a crushing roller, a scraper and a discharge plate. The rotating shaft is inserted and installed in the side wall of the box body, and the rotating shaft is located above the conveyor belt. The outer side of the rotating shaft is installed, and the scraper is installed on the inner wall of the box body. The scraper is in contact with the side wall of the crushing roller. The side wall of the box body is provided with a clearance groove, and the discharge plate is inserted and installed in the clearance groove. The discharge plate is in contact with the side wall of the conveyor belt.
[0008] Furthermore, the side walls of the scraper and the unloading plate are both equipped with an injection mechanism, and the injection mechanism includes a fixed block, an air pipe and a protective plate. The fixed blocks are respectively installed on the side walls of the scraper and the unloading plate, and one end of the air pipe is inserted into the side wall of the fixed block, and the other end of the air pipe passes through the side wall of the box and is connected to an external air pump. The side wall of the fixed block is equipped with a protective plate, and the protective plate can shield the air pipe.
[0009] Further, there are at least three rotating shafts, and the three rotating shafts are evenly spaced on the side wall of the box body.
[0010] Further, a slot is provided on the side wall of the box body, and a collection box is inserted and installed in the slot. The collection box is located below the conveyor belt. A brush is installed on the inner side wall of the collection box, and the brush can be attached to the lower wall of the conveyor belt.
[0011] Further, support feet are installed at the four corners of the lower wall of the box body, and anti-slip pads are attached to the lower walls of the support feet.
[0012] Further, limiting rubber strips are attached to the left and right ends of the outer wall of the conveyor belt, and both limiting rubber strips are attached to the side walls of the crushing rollers.
[0013] The beneficial effects of this patent are:
[0014] In this device, the chestnuts are crushed by the crushing rollers above the conveyor belt. This crushing method can continuously crush the chestnuts, which is very convenient. At the same time, the scraper on the crushing roller can also scrape off the chestnut fragments attached to the crushing roller to avoid affecting the crushing effect of the crushing roller on the chestnuts;
[0015] In addition, this device also has a jet mechanism on the scraper and the discharge plate. Through the jet mechanism, the cleaning effect of the scraper and the discharge plate can be improved, and it can avoid the residue of chestnut debris. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic structural diagram of this patent.
[0017] Figure 2 is a top view of the crushing mechanism of this patent.
[0018] Figure 3 is a schematic structural diagram of the scraper of this patent.
[0019] Figure 4 is a schematic structural diagram of the discharge plate of this patent.
[0020] Explanation of reference numerals: 1 box body, 2 conveyor belt, 3 crushing mechanism, 31 rotating shaft, 32 crushing roller, 33 scraper, 34 discharge plate, 4 feed hopper, 5 relief groove, 6 jet mechanism, 61 fixing block, 62 air pipe, 63 protection plate, 7 slot, 8 collection box, 9 brush, 10 support foot, 11 anti-slip pad, 12 limiting rubber strip. DETAILED DESCRIPTION OF THE INVENTION
[0021] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to the application.
[0022] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 This is a schematic diagram of the structure of the patent, a crushing device for chestnuts, including a box body 1, a conveyor belt 2 and a crushing mechanism 3, the conveyor belt 2 and the crushing mechanism 3 are installed in the box body 1, the crushing mechanism 3 is arranged above the conveyor belt 2, the conveyor belt 2 is electrically connected to an external power supply, and a feed hopper 4 is inserted and installed on the upper wall of the box body 1, and the external chestnuts can pass through the feed hopper 4 through the upper wall of the box body 1 and fall onto the conveyor belt 2;
[0023] When the device is crushing chestnuts, chestnuts can be continuously put into the feed hopper 4, so that the chestnuts fall onto the conveyor belt 2, and then the chestnuts are driven by the conveyor belt 2 to move to one side of the yield groove 5 of the box body 1. During the movement, when the chestnuts pass through the crushing mechanism 3, they will be crushed by the crushing roller 32 in the crushing mechanism 3, and then fall onto the discharge plate 34 for discharge;
[0024] Compared with the background art that uses a hydraulic structure to crush chestnuts, this device is more convenient and does not require stopping the machine to add chestnuts, which can effectively improve the crushing efficiency of chestnuts and is suitable for large-scale chestnut crushing.
[0025] The crushing mechanism 3 includes a rotating shaft 31, a crushing roller 32, a scraper 33 and a discharge plate 34. The rotating shaft 31 is inserted into the side wall of the box body 1 and is located above the conveyor belt 2. The crushing roller 32 is installed on the outer side of the rotating shaft 31. The scraper 33 is installed on the inner wall of the box body 1. The scraper 33 is in contact with the side wall of the crushing roller 32. The side wall of the box body 1 is provided with a clearance groove 5. The discharge plate 34 is inserted into the clearance groove 5 and is in contact with the side wall of the conveyor belt 2.
[0026] Because chestnuts need to be boiled in water before being crushed, there is a certain amount of moisture inside the cooked chestnuts. Therefore, during the crushing process, chestnuts will adhere to the crushing roller 32 or the conveyor belt 2. Therefore, the device scrapes off the chestnuts stuck to the crushing roller 32 and the conveyor belt 2 by setting a scraper 33 and a discharge plate 34.
[0027] The side walls of the scraper 33 and the discharge plate 34 are both installed with an air jet mechanism 6, which includes a fixed block 61, an air pipe 62 and a protective plate 63. The fixed blocks 61 are respectively installed on the side walls of the scraper 33 and the discharge plate 34, and one end of the air pipe 62 is inserted into the side wall of the fixed block 61. The other end of the air pipe 62 passes through the side wall of the box body 1 and is connected to an external air pump. The side wall of the fixed block 61 is installed with a protective plate 63, which can shield the air pipe 62.
[0028] In order to improve the scraping effect of the scraper 33 and the discharge plate 34, the device is also provided with a jet mechanism 6 on the scraper 33 and the discharge plate 34, and gas is sprayed outward through the air pipe 62 in the jet mechanism 6, thereby improving the cleaning effect of the scraper 33 and the discharge plate 34 through the action of the airflow.
[0029] There are at least three rotating shafts 31, and the three rotating shafts 31 are evenly spaced and arranged on the side wall of the box body 1;
[0030] Herein, the distances between the three rotating shafts 31 and the conveyor belt 2 increase from left to right. The distance between the rotating shaft 31 near the feed hopper 4 and the conveyor belt 2 is 25 mm, the distance between the rotating shaft 31 in the middle and the conveyor belt 2 is 15 mm, and the distance between the rotating shaft 31 near the clearance groove 5 and the conveyor belt 2 is 5 mm.
[0031] The crushing rollers 32 on the outer sides of the three gradually lowered rotating shafts 31 can ensure that the chestnuts are completely crushed.
[0032] A slot 7 is provided on the side wall of the box body 1, and a collecting box 8 is inserted and installed in the slot 7. The collecting box 8 is located below the conveyor belt 2. A brush 9 is installed on the inner wall of the collecting box 8, and the brush 9 can fit the lower wall of the conveyor belt 2.
[0033] In order to avoid chestnut residue on the conveyor belt 2, which would lead to material waste, the device also provides a collection box 8 and a brush 9 under the conveyor belt 2. When the conveyor belt 2 is running, the brush 9 will clean the surface of the conveyor belt 2, so that the remaining chestnut debris will fall into the collection box 8.
[0034] Support legs 10 are installed at the four corners of the lower wall of the box body 1, and anti-slip pads 11 are installed on the lower walls of the support legs 10.
[0035] The left and right ends of the outer wall of the conveyor belt 2 are fitted with limit rubber strips 12, and the two limit rubber strips 12 are fitted with the side walls of the crushing roller 32;
[0036] The limiting rubber strips 12 can prevent the chestnuts from sliding off the two sides of the conveyor belt 2, thus preventing the chestnuts from being uncrushed.
[0037] When the patent is working, the staff puts the chestnuts into the feed hopper 4, so that the chestnuts fall onto the conveyor belt 2, and then the chestnuts are driven by the conveyor belt 2 to move to one side of the yield groove 5 of the box body 1. During the movement, when the chestnuts pass through the crushing mechanism 3, they will be crushed by the crushing roller 32 in the crushing mechanism 3, and then fall onto the discharge plate 34 for discharge;
[0038] During the crushing process, the scraper 33 will scrape off the chestnut debris attached to the crushing roller 32 to avoid affecting the crushing effect of the chestnuts. When the chestnuts are crushed and moved to the give way groove 5, the discharge plate 34 will scrape off the chestnuts on the conveyor belt 2, causing them to fall onto the discharge plate 34 and be discharged from the device, completing the crushing process of the chestnuts.
[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.
[0040] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A crushing device for chestnuts, comprising a box body (1), a conveyor belt (2) and a crushing mechanism (3), characterized in that: Inside the box body (1), a conveyor belt (2) and a crushing mechanism (3) are installed. The crushing mechanism (3) is arranged above the conveyor belt (2). The conveyor belt (2) is electrically connected to an external power source. The upper wall of the box body (1) is inserted and installed with a feed hopper (4). External chestnuts can pass through the upper wall of the box body (1) through the feed hopper (4) and fall onto the conveyor belt (2). The crushing mechanism (3) includes a rotating shaft (31), a crushing roller (32), a scraping plate (33) and a discharge plate (34). The side wall of the box body (1) is inserted and installed with a rotating shaft (31). The rotating shaft (31) is located above the conveyor belt (2). The outer side of the rotating shaft (31) is installed with a crushing roller (32). The inner wall of the box body (1) is installed with a scraping plate (33). The scraping plate (33) is attached to the side wall of the crushing roller (32). A relief groove (5) is formed on the side wall of the box body (1). The discharge plate (34) is inserted and installed in the relief groove (5). The discharge plate (34) is attached to the side wall of the conveyor belt (2).
2. The crushing device for chestnuts according to claim 1, characterized in that: Jetting mechanisms (6) are installed on the side walls of the scraping plate (33) and the discharge plate (34). The jetting mechanism (6) includes a fixing block (61), an air pipe (62) and a protective plate (63). The fixing blocks (61) are respectively installed on the side walls of the scraping plate (33) and the discharge plate (34). One end of the air pipe (62) is inserted and installed on the side wall of the fixing block (61). The other end of the air pipe (62) passes through the side wall of the box body (1) and is connected to an external air pump. The protective plate (63) is installed on the side wall of the fixing block (61). The protective plate (63) can shield the air pipe (62).
3. A crushing device for chestnuts according to claim 1, characterized in that: There are at least three rotating shafts (31). The three rotating shafts (31) are evenly spaced on the side wall of the box body (1).
4. The crushing device for chestnuts according to claim 1, characterized in that: A slot (7) is formed on the side wall of the box body (1). A collection box (8) is inserted and installed in the slot (7). The collection box (8) is located below the conveyor belt (2). A brush (9) is installed on the inner side wall of the collection box (8). The brush (9) can be attached to the lower wall of the conveyor belt (2).
5. A crushing device for chestnuts according to claim 1, characterized in that: Support feet (10) are installed at the four corners of the lower wall of the box body (1). An anti-slip gasket (11) is attached to the lower wall of the support feet (10).
6. The crushing device for chestnuts according to claim 1, characterized in that: Limit rubber strips (12) are attached to the left and right ends of the outer wall of the conveyor belt (2). The two limit rubber strips (12) are both attached to the side wall of the crushing roller (32).
Citation Information
Patent Citations
Novel Chinese chestnut crushing device
CN214863866U