A crushing device for feed production

By introducing a detachable top cover and snap-fit ​​structure into the crushing device, the maintenance difficulties and crushing dead zones caused by the enclosed structure are solved, achieving efficient crushing and convenient maintenance, and improving production efficiency and product quality.

CN224332301UActive Publication Date: 2026-06-09ZHIYUAN FEED (HUANGMEI COUNTY) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHIYUAN FEED (HUANGMEI COUNTY) CO LTD
Filing Date
2025-06-24
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The existing crushing chamber of the crushing device is a closed structure, which means that when the internal blade assembly wears or gets blocked, the equipment needs to be completely disassembled for maintenance, resulting in long downtime. The traditional single-shaft crushing blade assembly design has crushing dead corners, which makes it easy for materials to accumulate and reduce crushing efficiency.

Method used

A detachable top cover and snap-fit ​​structure was designed, which allows the crushing device to be inspected and maintained internally without complete disassembly during cleaning or maintenance. Combined with the high-speed rotating crushing blades, it achieves efficient crushing.

Benefits of technology

It significantly reduces maintenance and cleaning time, improves equipment operating efficiency and production line output, and ensures crushing efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of feed crushing technology and discloses a crushing device for feed production, including a working frame, a crushing cover fixedly connected to the top of the working frame, a discharge hopper connected to the bottom of the crushing cover, a baffle threadedly connected to the inner side of the discharge hopper, a feeding hopper connected to the top of the crushing cover, a crushing mechanism and a feeding mechanism arranged inside the crushing cover, and a driving mechanism for driving the crushing mechanism to move at the top of the working frame. By setting up a top cover, a bottom cover and fasteners, when it is necessary to clean residual materials, replace the crushing mechanism, or check for internal wear or foreign object blockage, the top cover can be easily lifted by simply loosening the fasteners, without disassembling the entire device or complicated disassembly steps. This design greatly facilitates daily maintenance and handling of sudden failures, significantly shortens the time required for cleaning and maintenance, and improves the operating efficiency of the equipment and the overall output of the production line.
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Description

Technical Field

[0001] This utility model relates to the field of feed crushing technology, specifically a crushing device for feed production. Background Technology

[0002] In the feed production field, crushing equipment is one of the core pieces of equipment, and its performance directly affects the processing efficiency and product quality of feed. Traditional feed crushing equipment usually has the following technical defects: a contradiction between crushing efficiency and maintenance convenience. The crushing chamber of existing crushing equipment is mostly a closed structure, and when the internal blade assembly is worn or blocked, the equipment must be completely disassembled for maintenance, resulting in excessive downtime. At the same time, the design of traditional single-shaft crushing blade assembly has crushing dead corners, and materials are prone to accumulate, reducing crushing efficiency. Therefore, a crushing device for feed production is proposed to solve the above problems. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] The purpose of this invention is to address the problems of existing crushing devices, where the crushing chamber is mostly a closed structure, requiring complete disassembly for maintenance when the internal blade assembly is worn or blocked, resulting in excessive downtime; at the same time, the design of traditional single-shaft crushing blade assembly has crushing dead angles, which easily lead to material accumulation and reduced crushing efficiency. Therefore, this invention proposes a crushing device for feed production.

[0005] (II) Technical Solution

[0006] The technical solution of this utility model to solve the above-mentioned technical problems is as follows:

[0007] A crushing device for feed production includes a working frame, a crushing hood fixedly connected to the top of the working frame, a discharge hopper connected to the bottom of the crushing hood, a baffle threadedly connected to the inner side of the discharge hopper, a feed hopper connected to the top of the crushing hood, a crushing mechanism and a feed mechanism provided inside the crushing hood, and a drive mechanism for driving the crushing mechanism to move at the top of the working frame.

[0008] The crushing hood includes a bottom cover, the top of the working frame is fixedly connected to the bottom cover, the top of the bottom cover is hinged to the top cover, and a fastener is provided between the bottom cover and the top cover.

[0009] Based on the above technical solution, the present invention can be further improved as follows.

[0010] Preferably, the crushing mechanism includes a U-shaped base, with U-shaped bases fixedly connected to both the left and right ends of the bottom cover, and rotating seats fixedly connected to the top of each of the two U-shaped bases. The inner sides of the two rotating seats are rotatably connected to a rotating shaft, and a crushing blade holder located inside the crushing cover is fixedly connected to the outer side of the rotating shaft. Several crushing blades are fixedly connected to the outer side of the crushing blade holder.

[0011] Preferably, the feeding mechanism includes a feeding shaft, which is rotatably connected to the inner side of the top cover. A baffle plate is fixedly connected to the outer side of the feeding shaft, and a handle is fixedly connected to the outer side of the feeding shaft. An arc-shaped hole is provided on the handle. A screw is fixedly connected to the left end of the bottom cover. The screw is located inside the arc-shaped hole. A nut is threadedly connected to the outer side of the screw, and a hand-tightening nut is threadedly connected to the outer side of the screw. The handle is located between the nut and the hand-tightening nut.

[0012] Preferably, the drive mechanism includes a mounting base, the top of the work frame is fixedly connected to the mounting base, the top of the mounting base is fixedly connected to a drive motor, and the output end of the drive motor is fixedly connected to the rotating shaft through a coupling.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0015] This utility model, by setting up a top cover, a bottom cover, and fasteners, allows the top cover to be easily lifted when it is necessary to clean residual materials, replace the crushing mechanism, or check for internal wear or foreign object blockage. This eliminates the need to disassemble the entire device or perform complex disassembly steps. This design greatly facilitates daily maintenance and emergency troubleshooting, significantly shortens the time required for cleaning and repair, and improves the operating efficiency of the equipment and the overall output of the production line. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the crushing hood structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the crushing mechanism of this utility model;

[0019] Figure 4 This is a schematic diagram showing the relative positional relationship between the feed shaft and the baffle plate of this utility model;

[0020] Figure 5 This is a schematic diagram of the drive mechanism structure of this utility model;

[0021] Figure 6 This utility model Figure 1 Enlarged view of point A in the middle.

[0022] In the diagram: 1. Working frame; 2. Crushing hood; 21. Bottom cover; 22. Top cover; 23. Fastener; 3. Discharge hopper; 4. Feed hopper; 5. Crushing mechanism; 51. U-shaped base; 52. Rotating seat; 53. Rotating shaft; 54. Crushing blade holder; 55. Crushing blade; 6. Feeding mechanism; 61. Feeding shaft; 62. Baffle plate; 63. Handle; 64. Arc hole; 65. Screw; 66. Nut; 67. Hand-tightening nut; 7. Drive mechanism; 71. Mounting base; 72. Drive motor; 73. Coupling; 8. Baffle plate. Detailed Implementation

[0023] 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.

[0024] In the embodiments, by Figure 1-6 A crushing device for feed production is provided, comprising a working frame 1, a crushing hood 2 fixedly connected to the top of the working frame 1, a discharge hopper 3 connected to the bottom of the crushing hood 2, a baffle 8 threadedly connected to the inner side of the discharge hopper 3, a feed hopper 4 connected to the top of the crushing hood 2, a crushing mechanism 5 and a feeding mechanism 6 provided inside the crushing hood 2, and a drive mechanism 7 for driving the crushing mechanism 5 to operate at the top of the working frame 1.

[0025] The crushing cover 2 includes a bottom cover 21, the top of the working frame 1 is fixedly connected to the bottom cover 21, the top of the bottom cover 21 is hinged to the top of the top cover 22, and a fastener 23 is provided between the bottom cover 21 and the top cover 22.

[0026] With the above settings, the rotating baffle 8 prevents materials from falling directly from the discharge hopper 3. Feed raw materials requiring crushing (such as corn, soybean meal, grains, etc.) are fed into the device from the top feed hopper 4. Under the control of the feeding mechanism 6, the raw materials entering the feed hopper 4 are conveyed to the crushing hood 2 below. The drive mechanism 7, located at the top of the working frame 1, is activated. The drive mechanism 7 transmits power to the crushing mechanism 5 via a transmission shaft or other means. The raw materials falling from the feeding mechanism 6 into the crushing hood 2 (especially the space enclosed by the bottom cover 21 and the top cover 22) are subjected to the strong impact, shearing, and collision of the high-speed rotating crushing mechanism 5, and are crushed into finer particles. The crushed material falls into the discharge hopper 3 at the bottom of the crushing hood 2 under gravity. The rotating baffle 8 rotates out of the discharge hopper 3, collecting the crushed finished feed particles (into a silo, bag, or the next stage). When it is necessary to clean residual materials, replace the crushing mechanism 5, or check internal wear... In the event of obstruction by foreign objects, simply loosen the latch 23 to easily lift the top cover 22 without disassembling the entire device or performing complex disassembly procedures. This design greatly facilitates daily maintenance and handling of sudden malfunctions, significantly shortens the time required for cleaning and repair, and improves the operating efficiency of the equipment and the overall output of the production line. It should be noted that the latch 23 is common knowledge known to those skilled in the art. Any device that can satisfy the latching relationship between the bottom cover 21 and the top cover 22 and release the latching relationship can be used as the latch 23 required for this device, so it will not be described in detail.

[0027] Reference Figure 1-6 The crushing mechanism 5 includes a U-shaped base 51. The left and right ends of the bottom cover 21 are fixedly connected to the U-shaped base 51. The top of the two U-shaped bases 51 are fixedly connected to the rotating seat 52. The inner sides of the two rotating seats 52 are rotatably connected to the rotating shaft 53. The outer side of the rotating shaft 53 is fixedly connected to the crushing blade holder 54 located inside the crushing cover 2. Several crushing blades 55 are fixedly connected to the outer side of the crushing blade holder 54.

[0028] With the above-described structure, the drive mechanism 7 drives the rotating shaft 53 to rotate at high speed. The rotating shaft 53 rotates smoothly within the rotating seats 52 fixed to the top of the U-shaped bases 51 on both sides. These two rotating seats 52 provide crucial dual support points. The crushing blade holder 54 fixed in the middle of the rotating shaft 53 rotates at high speed accordingly. Several crushing blades 55 fixed on the crushing blade holder 54 generate powerful impact and shearing forces during high-speed rotation. The raw materials falling into the crushing chamber are repeatedly struck, collided, and cut by these high-speed rotating crushing blades 55, and are quickly crushed into fine particles. During high-speed rotation, a dense and wide-coverage crushing zone is formed. Through the combined forces of impact, shearing, and cutting, the feed raw materials are efficiently and uniformly crushed.

[0029] Reference Figure 1-6The feeding mechanism 6 includes a feeding shaft 61, which is rotatably connected to the inner side of the top cover 22. A baffle plate 62 is fixedly connected to the outer side of the feeding shaft 61. A handle 63 is fixedly connected to the outer side of the feeding shaft 61. An arc-shaped hole 64 is provided on the handle 63. A screw 65 is fixedly connected to the left end of the bottom cover 21. The screw 65 is located inside the arc-shaped hole 64. A nut 66 is threadedly connected to the outer side of the screw 65. A hand-tightening nut 67 is threadedly connected to the outer side of the screw 65. The handle 63 is located between the nut 66 and the hand-tightening nut 67.

[0030] Through the above structural design, the mechanical action of rotating the handle 63 → rotating the feed shaft 61 → changing the angle of the baffle plate 62 continuously and linearly adjusts the opening of the material outlet. The larger the opening, the more material enters the crushing chamber per unit time; the smaller the opening, the less the feed amount, or even zero. The arc-shaped hole 64 + screw 65 + nut 66 + hand-tightening nut 67 constitute an extremely stable and vibration-resistant mechanical locking device. Stable locking ensures that the feed amount remains unchanged throughout the entire production batch, guaranteeing product quality. The screw 65 slides within the arc-shaped hole 64, serving both as a guide and limiting the adjustment range (preventing excessive rotation from damaging components). When production needs to be stopped (such as for changing product types, equipment maintenance, or emergencies), the baffle plate 62 can be completely closed (opening adjusted to zero) to immediately prevent raw materials from entering the crushing chamber.

[0031] Reference Figure 1-6 The drive mechanism 7 includes a mounting base 71, the top of the work frame 1 is fixedly connected to the mounting base 71, the top of the mounting base 71 is fixedly connected to the drive motor 72, and the output end of the drive motor 72 is fixedly connected to the rotating shaft 53 through a coupling 73.

[0032] With the above-mentioned structural setup, the drive motor 72 is started, and the output torque of the drive motor 72 is directly and efficiently transmitted to the rotating shaft 53 through the coupling 73. The rotating shaft 53 rotates smoothly and at high speed in the rotating seat 52 fixed at the top of the left and right U-shaped bases 51. The crushing blade holder 54 fixed in the middle of the rotating shaft 53 and several crushing blades 55 on it rotate at high speed with the shaft. The falling raw material is violently impacted, sheared, and collided by the high-speed rotating crushing blades 55, and is quickly crushed into fine particles.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A crushing device for feed production, characterized in that, The device includes a work frame (1), a crushing hood (2) is fixedly connected to the top of the work frame (1), a discharge hopper (3) is connected to the bottom of the crushing hood (2), a baffle (8) is threadedly connected to the inner side of the discharge hopper (3), a feeding hopper (4) is connected to the top of the crushing hood (2), a crushing mechanism (5) is provided on the inner side of the crushing hood (2), a feeding mechanism (6) is provided on the inner side of the crushing hood (2), and a driving mechanism (7) for driving the crushing mechanism (5) to move is provided at the top of the work frame (1). The crushing cover (2) includes a bottom cover (21), the top of the working frame (1) is fixedly connected to the bottom cover (21), the top of the bottom cover (21) is hinged to the top cover (22), and a fastener (23) is provided between the bottom cover (21) and the top cover (22).

2. The crushing device for feed production according to claim 1, characterized in that: The crushing mechanism (5) includes a U-shaped base (51). The left and right ends of the bottom cover (21) are fixedly connected to the U-shaped base (51). The top of the two U-shaped bases (51) is fixedly connected to the rotating seat (52). The inner side of the two rotating seats (52) is rotatably connected to the rotating shaft (53). The outer side of the rotating shaft (53) is fixedly connected to the crushing blade holder (54) located inside the crushing cover (2). The outer side of the crushing blade holder (54) is fixedly connected to several crushing blades (55).

3. A crushing device for feed production according to claim 1, characterized in that: The feeding mechanism (6) includes a feeding shaft (61), the feeding shaft (61) is rotatably connected to the inner side of the top cover (22), the baffle plate (62) is fixedly connected to the outer side of the feeding shaft (61), the handle (63) is fixedly connected to the outer side of the feeding shaft (61), the handle (63) is provided with an arc-shaped hole (64), the left end of the bottom cover (21) is fixedly connected to a screw (65), the screw (65) is located inside the arc-shaped hole (64), the outer side of the screw (65) is threaded with a nut (66), the outer side of the screw (65) is threaded with a hand-tightening nut (67), and the handle (63) is located between the nut (66) and the hand-tightening nut (67).

4. A crushing device for feed production according to claim 2, characterized in that: The drive mechanism (7) includes a mounting base (71), the top of the work frame (1) is fixedly connected to the mounting base (71), the top of the mounting base (71) is fixedly connected to the drive motor (72), and the output end of the drive motor (72) is fixedly connected to the rotating shaft (53) through a coupling (73).