Gap-adjustable silage crushing mechanism

By designing a silage crushing mechanism with adjustable gaps, the problem of insufficient adaptability of fixed gap equipment is solved, uniform processing and efficient crushing of materials are achieved, the adaptability and production efficiency of the equipment are improved, the equipment life is extended, and the quality of silage and the digestion and absorption effect of livestock are improved.

CN223184608UActive Publication Date: 2025-08-05LUOYANG SIDA AGRI MASCH CO LTD
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Patent Information

Application Number
CN202422173849.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-08-05
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The existing silage crushing mechanisms mostly adopt a fixed gap design, which is difficult to adapt to the needs of different types and maturity levels, resulting in unsatisfactory crushing effect, uneven material processing, easy to block, and low equipment adaptability and efficiency.

Method used

A silage crushing mechanism with adjustable gaps is designed, including a feeding mechanism, a chopping mechanism and a kneading mechanism. The gap adjustment device realizes automatic operation throughout the process, and the chopping and kneading gap can be adjusted according to the needs of different feed types to ensure uniform processing of materials.

Benefits of technology

It improves crushing efficiency and quality, reduces energy consumption and equipment wear, simplifies operation and maintenance, and improves the nutritional value of silage and the digestion and absorption effect of livestock.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of feed processing equipment, and discloses a gap-adjustable silage crushing mechanism which comprises a rack, and a conveying mechanism, a feeding mechanism, a chopping mechanism and a rubbing mechanism are sequentially connected on the rack in the material conveying direction; the feeding mechanism comprises a feeding box arranged on the movable frame, a feeding roller assembly is rotatably arranged in the feeding box, the chopping mechanism comprises a chopping box body, a cutter roller is rotatably arranged in the chopping box body, the rubbing mechanism comprises a rubbing box, a rubbing roller I and a rubbing roller II are rotatably mounted in the rubbing box up and down relatively, and the rubbing roller I and the rubbing roller II are rotatably mounted in the rubbing box up and down relatively. Through cooperation of the feeding mechanism, the chopping mechanism and the kneading mechanism, full-process automatic operation can be achieved, meanwhile, the processing gap of the chopping mechanism and the kneading mechanism can be adjusted, and adjustment can be conveniently conducted according to different feed type requirements.
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Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery and equipment, in particular to a silage crushing mechanism with adjustable gap. Background Art

[0002] Silage preparation is a crucial process in agriculture and animal husbandry. It involves chopping and kneading fresh crops, such as corn and sorghum, before storing them in an anaerobic environment for fermentation to preserve their nutritional value and extend their shelf life. Traditional silage preparation typically requires pulverizing the crops to facilitate compaction and sealing for storage. This process often relies on manual labor or semi-automatic machinery, resulting in low efficiency and high labor intensity.

[0003] Existing silage grinding mechanisms often use a fixed-gap design. This means that once the equipment is manufactured, the grinding gap cannot be adjusted, limiting its adaptability and flexibility. Different crop types and maturity levels require different particle sizes, and fixed-gap equipment struggles to meet these diverse needs, potentially resulting in suboptimal grinding results and impacting silage quality and livestock digestibility.

[0004] Furthermore, traditional pulverizers often lack effective feed control and precise chopping and kneading mechanisms, leading to uneven material handling, inconsistent particle sizes, and even material blockages. These issues not only reduce production efficiency but also increase energy consumption and equipment wear. Utility Model Content

[0005] The purpose of the utility model is to provide a silage crushing mechanism with adjustable gap. In view of the shortcomings of the existing technology, the feeding mechanism, the chopping mechanism, and the kneading mechanism are coordinated to realize full-process automatic operation. At the same time, the processing gaps of the chopping mechanism and the kneading mechanism can be adjusted, which is convenient for adjustment according to the needs of different feed types, so as to realize effective processing of different materials and improve the crushing efficiency and quality.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a silage crushing mechanism with adjustable gap, comprising a frame:

[0007] The frame is provided with a conveyor, a feeding mechanism, a chopping mechanism, and a kneading mechanism in sequence along the material conveying direction;

[0008] The feeding mechanism includes a feeding box arranged on a frame, a feeding roller assembly is rotatably arranged in the feeding box, the feeding gap between the feeding roller assemblies decreases linearly along the feeding direction, the discharge end of the conveyor is connected to the feed end of the feeding mechanism, and the material is transported into the feeding mechanism through the belt conveyor;

[0009] The shredding mechanism includes a shredding box, a cutter roller is rotatably arranged in the shredding box, and cutter assemblies are evenly distributed around the axis on the cutter roller. A fixed blade plate is provided at the feed inlet of the shredding box corresponding to the position of the cutter roller, and the fixed blade plate is provided with a fixed cutter along the axial direction of the shredding roller. A gap adjustment device for adjusting the position of the fixed cutter is provided on the shredding box, and the feed end of the shredding box is connected to the discharge end of the feeding box.

[0010] The kneading mechanism includes a kneading box, in which kneading roller one and kneading roller two are installed for relative rotation up and down, and kneading teeth are evenly distributed along the axial direction on the outer wall of the kneading roller. Scrapers are installed in the kneading box at the discharge positions corresponding to kneading roller one and kneading roller two, and the rotation directions of kneading roller one and kneading roller two are the same; the kneading box is also equipped with a gap adjustment device two for changing the gap between kneading roller one and kneading roller two, and a discharge port is provided at the tail end of the kneading box, and the feed end of the kneading box is connected to the discharge end of the feeding box.

[0011] In order to further optimize the present invention, the following technical solutions may be preferably used:

[0012] Preferably, the feeding roller assembly includes a first feeding roller and a second feeding roller rotatably arranged in the feeding box, and a pre-pressing roller is also rotatably arranged at the corresponding feed end position in the feeding box. The first feeding roller includes a first pressing roller and a first supporting roller rotatably arranged in the feeding box, wherein the first pressing roller and the first supporting roller are arranged side by side up and down. The second feeding roller includes a second pressing roller and a second supporting roller rotatably installed in the feeding box, wherein the second pressing roller and the second supporting roller are arranged side by side up and down. A scraper is provided along the circumference of the second supporting roller at the position corresponding to the second supporting roller in the feeding box for scraping the material off the second supporting roller.

[0013] Preferably, the pre-pressing roller is evenly provided with a press plate around its axis; the first press roller is evenly provided with a press plate with an angular cross-section around its axis, and the second press roller is evenly provided with a press tooth plate around its axis; a synchronous adjustment device is provided on the outside of the first press roller and the second press roller, and the synchronous adjustment device includes a synchronous swing arm located at both ends of the first press roller and the second press roller, wherein one end of the synchronous swing arm is rotatably connected to the pre-pressing roller as a support point, and the synchronous swing arm is connected to the first press roller and the second press roller through a bearing. The other end of the synchronous swing arm is connected to an adjusting arm, the middle part of the adjusting arm is rotatably arranged on the feeding box, one end of the adjusting arm is hinged to the end of the synchronous swing arm and is connected to an adjusting screw, the other end of the adjusting arm is provided with a stopper, and a limit plate is designed on the feeding box corresponding to the position of the stopper. Adjustment holes are opened on the side wall of the feeding box corresponding to the adjustment range of the first pressing roller and the second pressing roller. The synchronous cross brace is connected to the first pressing roller and the second pressing roller through bearings, and the pre-pressing roller, the first pressing roller and the second pressing roller rotate synchronously through a gear set.

[0014] Preferably, the cutter assembly includes a cutter fixing plate fitted on the cutter roller, and cutter seats are evenly distributed around the circumference of the cutter roller on the cutter fixing plate. The cutter seats are detachably provided with a cutter, and the cutting direction of the cutter is along the tangent direction of the cutter roller; the cutter fixing plates are arranged in multiple groups side by side, and the cutter seats are mounted between two cutter fixing plates, and the cutter seats between two adjacent cutter fixing plates are staggered.

[0015] Preferably, the gap adjustment device includes a floating box plate movably arranged at the bottom of the shredding box, one end of the floating box plate is hinged to the frame, and the other end of the floating box plate is hinged to the back of the movable knife holder, and adjustment arms are provided on both sides of the shredding box, one end of the adjustment arm is hingedly connected to the two ends of the movable knife holder, and the middle part of the adjustment arm is rotatably arranged on the shredding box through a rotating shaft, and the other end of the corresponding adjustment arm on the shredding box is hingedly connected to an adjuster 1, and the gap between the cutter assembly and the fixed cutter and the floating box plate is changed by changing the length of the adjuster 1, thereby changing the shredding gap.

[0016] Preferably, an automatic knife sharpening device is further provided at the top of the shredding box, the automatic knife sharpening device comprises a slide bar arranged along the axial direction of the shredding roller, a movable slider is provided on the slide bar, a knife sharpening block is provided on the movable slider which can be raised and lowered, wherein a knife sharpening block driving mechanism for driving the movable slider to move along the slide bar is further provided on the top of the shredding box, wherein the knife sharpening block driving mechanism comprises a synchronous belt conveyor arranged along the axial direction of the shredding roller, the movable slider is fixedly connected to the synchronous belt of the synchronous belt conveyor, and the synchronous belt conveyor is used to drive the knife sharpening block to move laterally along the slide bar to grind the cutter assembly.

[0017] Preferably, an automatic knife sharpening device is further provided at the top position of the shredding box body, and the automatic knife sharpening device comprises a slide bar arranged along the axial direction of the shredding roller, a movable slider is installed on the slide bar, and a knife sharpening block assembly is installed on the movable slider in a liftable manner, wherein a knife sharpening block driving mechanism for driving the movable slider to move along the slide bar is further installed on the top of the shredding box body, wherein the knife sharpening block driving mechanism comprises a synchronous belt conveyor arranged along the axial direction of the shredding roller, the movable slider is fixedly connected to the synchronous belt of the synchronous belt conveyor, and the synchronous belt conveyor is used to drive the knife sharpening block to move laterally along the slide bar to grind the cutter assembly.

[0018] Preferably, both ends of the kneading roller are movably arranged on the frame through a support arm, one end of the support arm is rotatably connected to the kneading box, and the kneading roller is rotatably arranged in the middle of the support arm. The gap adjustment device 2 includes an adjuster 2 arranged on the outer wall of the kneading box, and the free end of the adjuster 2 is hingedly connected to the support arm. By changing the extended length of the adjuster 2, the gap between the kneading roller 1 and the kneading roller 2 is changed, thereby changing the kneading parameters.

[0019] The beneficial effects of the gap-adjustable silage crushing mechanism disclosed in the utility model are mainly reflected in the following aspects:

[0020] 1. Efficient and continuous operation: The crushing mechanism realizes continuous and automatic processing of materials through the sequential connection of conveyor, feeding mechanism, chopping mechanism and kneading mechanism, which greatly improves the operation efficiency and reduces labor costs.

[0021] 2. Strong adaptability: Through the gap adjustment device 1 and the gap adjustment device 2, the gap between the shredding roller and the fixed blade, as well as the gap between the kneading roller 1 and the kneading roller 2 can be accurately adjusted according to the characteristics and crushing requirements of different materials, thereby enhancing the equipment's ability to handle different materials.

[0022] 3. Improved pulverization quality: The design of the feeding roller assembly ensures that the material enters the shredder box evenly, avoiding material blockage and uneven pulverization. At the same time, the design of the shredder and kneading mechanism further ensures that the material can be pulverized more finely and evenly, improving the quality of the silage.

[0023] 4. Reduce energy consumption and wear: The optimized crushing process reduces idling and overloading of the equipment, reducing energy consumption. At the same time, uniform material handling reduces unnecessary wear of blades and rollers, extending the service life of the equipment.

[0024] 5. Improve the nutritional value of silage: The fine and uniform crushing process helps to maintain the nutritional value of silage and is easy for livestock to digest and absorb, thereby improving the feed conversion rate and livestock growth rate.

[0025] 6. Simplified operation and maintenance: The design of the gap adjustment device allows the operator to quickly and conveniently adjust the crushing gap, which simplifies the operation and maintenance process of the equipment and reduces the skill requirements for the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is the overall structural diagram of the silage crushing mechanism;

[0027] Figure 2 It is a schematic diagram of the overall structure of the conveying and feeding mechanism;

[0028] Figure 3 It is a schematic diagram of the internal structure of the conveying and feeding mechanism;

[0029] Figure 4 Schematic diagram of the overall structure of the feeding mechanism Figure 1 ;

[0030] Figure 5 Schematic diagram of the overall structure of the feeding mechanism Figure 2 ;

[0031] Figure 6 Schematic diagram of the overall structure of the shredding mechanism Figure 1 ;

[0032] Figure 7 Schematic diagram of the overall structure of the shredding mechanism Figure 2 ;

[0033] Figure 8 Schematic diagram of the internal structure of the shredding mechanism;

[0034] Figure 9 Schematic diagram of the overall structure of the kneading mechanism Figure 1 ;

[0035] Figure 10 Schematic diagram of the overall structure of the kneading mechanism Figure 2 ;

[0036] Figure 11 Schematic diagram of the internal structure of the kneading mechanism;

[0037] Figure 12 It is a schematic diagram of the three-dimensional structure of the belt tensioning mechanism.

[0038] In the figure: 1-frame; 2-conveyor; 3-feeding mechanism; 4-chopping mechanism; 5-kneading mechanism; 6-material guard plate;

[0039] 201 - feeding box; 202 - feeding gap; 203 - first nip roller; 204 - first support roller; 205 - second nip roller; 206 - second support roller; 207 - scraper; 208 - nip plate; 209 - nip plate; 210 - nip tooth plate; 211 - adjustment hole;

[0040] 301 - shredder box; 302 - cutter roller; 303 - cutter assembly; 304 - fixed blade plate; 305 - cutter fixing plate; 306 - cutter seat; 307 - cutter; 308 - movable blade holder; 309 - floating box plate; 310 - adjustment arm; 311 - regulator; 312 - automatic sharpening device; 313 - cover plate; 314 - slide bar; 315 - movable slide block; 316 - sharpening block assembly; 317 - synchronous belt conveyor; 318 - ratchet; 319 - ratchet teeth;

[0041] 501-kneading box; 502-kneading roller 1; 503-kneading roller 2; 504-kneading teeth; 505-regulator 2; 506-support arm; 507-transition silo; 508-transition silo discharge port; 509-drive motor; 510-discharge port; 601-tensioning frame; 602-pressure wheel; 603-support frame; 604-regulator 3; DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0043] See also Figures 1-12As shown, the utility model provides a technical solution: a silage crushing mechanism with adjustable gap, comprising a frame 1, wherein a conveyor 2, a feeding mechanism 3, a chopping mechanism 4, and a kneading mechanism 5 are sequentially connected to the frame along the material conveying direction; wherein the conveyor 2 is a conveyor belt conveyor, and material guard plates 6 are designed on both sides of the conveyor belt conveyor, and the material is conveyed to the feeding mechanism through the belt conveyor, wherein the tail of the belt conveyor extends to the feed inlet of the feeding mechanism; wherein the feeding mechanism 3 comprises a feeding box 201, and a feeding roller assembly is rotatably installed in the feeding box, and the feeding gap 202 between the feeding roller assemblies decreases linearly along the feeding direction; wherein the feeding roller assembly comprises a first feeding roller and a second feeding roller rotatably installed in the feeding box, and the feeding box A pre-pressing roller is rotatably installed at the corresponding feeding end position. The first feeding pair of rollers includes a first pressing roller 203 and a first supporting roller 204 rotatably installed in the feeding box. The first pressing roller 203 and the first supporting roller 204 are arranged side by side up and down. The second feeding pair of rollers includes a second pressing roller 205 and a second supporting roller 206 rotatably installed in the feeding box. The second pressing roller and the second supporting roller are arranged side by side up and down. A scraper 207 is installed along the circumference of the second supporting roller at the position corresponding to the second supporting roller in the feeding box for scraping the material off the second supporting roller. In order to ensure the extrusion effect, a pressing plate 208 is evenly installed around the axis on the pre-pressing roller; a pressing plate 209 with an angular cross-section is evenly installed around the axis on the first pressing roller. The roller is evenly equipped with a pressing tooth plate 210 around the axis; the pressing flat plate, the angular pressing plate and the pressing tooth plate are designed according to the different extrusion effects to improve the extrusion effect; the material to be processed is extruded multiple times by reducing the spacing, which reduces the fluffiness of the material and facilitates the subsequent chopping and kneading operations; in addition, in order to improve the feeding effect, the first pressing roller and the second pressing roller are provided with a synchronous adjustment device on the outside, and the synchronous adjustment device includes a synchronous swing arm located at both ends of the first pressing roller and the second pressing roller, wherein one end of the synchronous swing arm is rotatably connected to the pre-pressing roller as a support point, the synchronous swing arm is connected to the first pressing roller and the second pressing roller through a bearing, and the other end of the synchronous swing arm is connected to an adjustment arm, and the middle part of the adjustment arm is rotatably set on the feeding box to adjust One end of the arm is hinged to the end of the synchronous swing arm and is connected to an adjusting screw, and a stop block is provided at the other end of the adjusting arm, and a limit plate is designed on the feeding box corresponding to the position of the stop block, wherein an adjustment hole 211 is opened on the side wall of the feeding box corresponding to the adjustment range of the first pressing roller and the second pressing roller, and the synchronous cross brace is connected to the first pressing roller and the second pressing roller through bearings, wherein the pre-pressing roller, the first pressing roller and the second pressing roller rotate synchronously through a gear set; the synchronous adjustment device can avoid unilateral longitudinal displacement of the first pressing roller and the second pressing roller, thereby changing the feeding gap, wherein the specific adjustment design is as follows: the first support roller and the second support roller are driven by a drive motor and a gear box to achieve the same rotation direction of the first support roller and the second support roller.

[0044] The above-mentioned feeding mechanism design offers the following advantages: 1. Improved feeding uniformity: Through the coordinated action of the pre-pressing roller, the first feed roller pair, and the second feed roller pair, the material is fully pre-pressed and shaped before entering subsequent processing stages. The flat plate on the pre-pressing roller initially compresses the material, while the angled plate on the first and second feed rollers further compress and disperse the material, ensuring uniform material distribution during conveying and preventing blockage and accumulation. 2. Enhanced adaptability: The first and second feed rollers rotate in opposite directions, which helps to create a more complex material flow pattern within the feed box, further improving feeding uniformity. Furthermore, the adjustable rotation speed of both rollers allows for flexible adjustments based on the characteristics of different materials and processing requirements, adapting to a wider range of processing scenarios. 3. Improved processing efficiency: By optimizing the design of the feed roller assembly, the material is more effectively pre-conditioned during conveying, enabling smoother subsequent processing steps (such as crushing and mixing). This helps to reduce waiting time and downtime during processing, thereby improving overall processing efficiency. 4. Extended Equipment Life: The design of the feed roller assembly also takes equipment protection into consideration. For example, the scraper helps to promptly remove residual material from the second support roller, preventing material accumulation and wear on the roller surface. This design helps to extend the service life of the feed roller assembly and reduce maintenance costs. 5. Improved Product Quality: Because the material is fully pre-treated and evenly distributed during the feeding process, the quality of the subsequent processed products is also improved. For example, in feed processing, uniform feeding helps ensure a consistent ratio of various ingredients in the feed, thereby improving the nutritional value and palatability of the feed.

[0045] The shredding mechanism 4 comprises a shredding housing 301, within which a cutter roller 302 is rotatably mounted. A cutter assembly 303 is evenly mounted around the axis of the cutter roller. A fixed blade plate 304 is mounted at the feed inlet of the shredding housing, corresponding to the position of the cutter roller. The fixed blade plate has fixed cutters mounted axially along the shredding roller. In this embodiment, the cutter assembly comprises a cutter mounting plate 305 mounted on the cutter roller. Cutter holders 306 are evenly mounted circumferentially around the cutter roller on the cutter mounting plate. The cutter holders are detachably mounted with cutters 307, which cut in the direction of the tangent of the cutter roller. Multiple sets of cutter mounting plates are arranged side by side, with the cutter holders 306 mounted between two sets. The cutter holders between adjacent sets are staggered.

[0046] A movable knife holder 308 is installed on the frame at the position corresponding to the fixed knife plate, the bottom of the movable knife holder is hingedly installed on the frame, and the fixed knife plate is installed at the top position of the movable knife holder, wherein the shredding box is also installed with a gap adjustment device 1 for adjusting the position of the fixed cutter, the gap adjustment device 1 includes a floating box plate 309 movably installed at the bottom of the shredding box, one end of the floating box plate is hinged to the frame, and the other end of the floating box plate is hingedly installed on the back of the movable knife holder, and adjusting arms 310 are installed on both sides of the shredding box, one end of the adjusting arm is hingedly connected to the two ends of the movable knife holder, and the middle part of the adjusting arm is rotatably installed on the shredding box through a rotating shaft, and the other end of the corresponding adjusting arm on the shredding box is hingedly connected to an adjuster 1 311, and the gap between the cutter assembly and the fixed cutter and the floating box plate is changed by changing the length of the adjuster 1, thereby changing the shredding gap.

[0047] The above-mentioned shredding mechanism design offers the following advantages: 1. Improved shredding efficiency: The evenly spaced cutter assemblies on the cutter rollers work together with the fixed cutters on the fixed blade plate to create a shearing action, effectively shredding the material. The cutter assembly design allows the cutters to cut along the tangent line of the cutter roller. This cutting method maximizes the sharpness of the cutters and improves shredding efficiency. 2. Enhanced shredding: By arranging multiple sets of cutter holders side by side and staggering the cutter holders between adjacent cutter holders, the cutters form a more complex shear path during shredding, enhancing the shredding effect. This design promotes more detailed shredding and improves product uniformity and consistency. 3. Easy maintenance and replacement: The cutter holders are removable and attached to the cutter holder, making cutter replacement and maintenance more convenient. When a cutter is worn or damaged, it can be quickly removed and replaced with a new one, reducing downtime and improving production efficiency. 4. Strong Adaptability: The movable blade holder and adjustment mechanism allow the distance between the fixed blade plate and the cutting roller to be adjusted according to the material characteristics and processing requirements. This design allows the shredding mechanism to adapt to different material types and sizes, enhancing the versatility and flexibility of the equipment. 5. Improved Equipment Durability: The rational design of the cutter assembly and fixed blade layout, as well as the use of a removable cutter seat, reduces wear and damage during the shredding process. Furthermore, the adjustment mechanism helps maintain an appropriate distance between the fixed blade plate and the cutting roller, preventing excessive wear and damage and increasing the durability and service life of the equipment. 6. Improved Product Quality: Because the shredding mechanism efficiently and uniformly shreds materials, the quality of the resulting products is also improved in subsequent processing. For example, in feed processing, uniform shredding helps ensure a consistent ratio of feed ingredients, improving the nutritional value and palatability of the feed. In food processing, uniform shredding improves the taste and appearance of the product.

[0048] In addition, as a preferred embodiment, an automatic sharpening device 312 is also installed at the top position of the shredding box, and the sharpening device includes a slide bar 314 arranged along the axial direction of the shredding roller, and a movable slider 315 is installed on the slide bar, and a sharpening block assembly 316 is installed on the movable slider in a liftable manner, wherein a sharpening block driving mechanism for driving the movable slider to move along the slide bar is also installed on the top of the shredding box, wherein the sharpening block driving mechanism includes a synchronous belt conveyor 317 arranged along the axial direction of the shredding roller, and the movable slider is fixedly connected to the synchronous belt of the synchronous belt conveyor, and the synchronous belt conveyor is used to drive the sharpening block to move horizontally along the slide bar to grind the cutter assembly, and the liftable sharpening block is extended into the shredding box to ensure that the cutter can fit the surface of the sharpening block for grinding, thereby improving the utilization rate of the sharpening block and reducing cost investment. A long strip opening is provided on the shredding box at the position corresponding to the sharpening block. A cover plate 313 is detachably installed at the position corresponding to the long strip opening on the shredding box, which is sealed by the detachable cover plate. During normal production, the long strip opening is covered with the cover plate to prevent grass from splashing. When grinding is required, the cover plate is removed and the sharpening wheel is inserted into the shredding box for grinding. The sharpening block is rotatably installed on the movable slider through a rotating shaft. A ratchet 318 is installed on the top of the rotating shaft, and a ratchet 319 is slidably installed at the corresponding ratchet position on the frame.

[0049] The introduction of an automatic blade sharpening device in the shredder mechanism offers the following benefits: 1. Improved blade sharpness: The automatic blade sharpening device regularly sharpens the blade assembly to maintain its sharpness. This helps ensure the shredder maintains efficient shredding performance over extended periods of operation, preventing degradation of shredding efficiency and product quality issues caused by blade dulling. 2. Extended blade life: Regular blade sharpening removes wear and microcracks on the blade surface, extending the blade lifespan. This reduces the cost and time associated with frequent blade replacements. 3. Improved production efficiency and stability: The automatic blade sharpening device automatically completes the blade sharpening process, eliminating the need for manual intervention, thereby improving production efficiency and stability. Furthermore, since the sharpening process occurs within the shredder mechanism, no downtime is required, further reducing production interruptions. 4. Reduced maintenance costs: The retractable sharpening block design allows the sharpening block to extend into the shredder chamber and adhere to the blade surface for improved sharpening accuracy and effectiveness. In addition, the long opening and removable cover design make it easier to maintain and replace the sharpening block, reducing maintenance costs. 5. Enhanced Equipment Safety: The automatic sharpening device performs the sharpening operation inside the shredder box, eliminating the potential safety hazards of manual sharpening. The removable cover also facilitates safety inspections and maintenance when needed. 6. Improved Product Quality: Sharp cutters shred materials more evenly, improving product uniformity and consistency. This is particularly important for products that require delicate processing, such as meat and vegetables in food processing.

[0050] The kneading mechanism 5 includes a kneading box 501, in which a kneading roller 1 502 and a kneading roller 2 503 are installed to rotate relative to each other up and down, and kneading teeth 504 are evenly distributed along the axial direction on the outer wall of the kneading roller, wherein a scraper is provided at the discharge position of the kneading roller 1 502 and the kneading roller 2 503 in the kneading box, and the kneading roller 1 502 and the kneading roller 2 503 have the same rotation direction, and the kneading roller 1 502 and the kneading roller 2 503 are connected by an intermediate pulley to achieve the same rotation direction; the kneading box 501 is also provided with a kneading roller 502, and the kneading roller 2 503 is connected to each other by an intermediate pulley to achieve the same rotation direction; A second gap adjustment device is provided for changing the gap between kneading roller 1 502 and kneading roller 2 503. Specifically, both ends of kneading roller 1 are movably arranged on the frame through a support arm 506. One end of the support arm is rotatably connected to the kneading box, and kneading roller 1 is rotatably arranged in the middle of the support arm. The second gap adjustment device includes a second regulator 505 arranged on the outer wall of the kneading box. The free end of the second regulator is hingedly connected to the support arm. The gap between kneading roller 1 and kneading roller 2 is changed by changing the extended length of the second regulator, thereby changing the kneading parameters.

[0051] The above-mentioned kneading mechanism design has the following advantages: (1) Improved processing flexibility: Through the gap adjustment device 2, the user can easily adjust the gap between the kneading roller 1 and the kneading roller 2 to adapt to materials of different types and states. This flexibility enables the equipment to handle a wider range of materials, improving the versatility and processing capabilities of the equipment. (2) Optimized processing effect: Proper gap setting is crucial for the kneading effect. A gap that is too small may cause the material to be over-extruded and damaged, while a gap that is too large may not be able to effectively knead the material. The gap adjustment device 2 allows the user to accurately adjust the gap according to the characteristics of the material and processing requirements, thereby optimizing the kneading effect and improving product quality.

[0052] A transition bin 507 is provided on the frame at a position corresponding to the kneading mechanism and the shredding mechanism, and a transition bin discharge port 508 is provided at the bottom of the transition bin; a discharge port 510 with an adjustable discharge position is installed at the tail of the kneading box 501.

[0053] The kneading mechanism and the shredding mechanism are equipped with independent driving motors 509, which drive the shredding roller and the kneading roller to rotate through belts. A belt tensioning mechanism is installed on the frame at the corresponding belt position, and the belt tensioning mechanism includes a tensioning frame 601, a pressure wheel 602 is rotatably installed on the tensioning frame at the corresponding belt position, and a support frame 603 is installed on the tensioning frame at the corresponding pressure wheel position. One end of the support frame is hingedly set on the tensioning frame, and the pressure wheel is rotatably installed at the other end of the support frame. An adjuster 3 604 is hingedly set between the tensioning frame and the support frame, and the pressing force of the pressure wheel on the belt is changed by changing the length of the adjuster.

[0054] The above design optimizes the transition silo on the frame, the independent drive system of the kneading mechanism and the shredding mechanism, and the belt tensioning mechanism. The beneficial effects are mainly reflected in the following aspects:

[0055] 1. Improved Material Transfer Efficiency: The transition hopper ensures smooth transfer of processed material from the shredder to the kneading mechanism, minimizing material loss and blockage during transfer. The transition hopper discharge port and the adjustable discharge port at the rear of the kneading box further enhance material transfer flexibility and efficiency. 2. Enhanced Equipment Independence and Maintainability: The kneading and shredding mechanisms are equipped with independent drive motors, enabling independent operation and maintenance. A failure in one mechanism does not affect the operation of the other, enhancing overall equipment reliability and maintainability. 3. Optimized Power Transmission: Belt-based power transmission simplifies the drive structure and reduces noise and vibration. A belt tensioning mechanism ensures proper belt tension over extended periods of operation, preventing slippage and excessive wear, thereby ensuring stable and efficient power transmission. 4. Improved Belt Service Life: The belt tensioning mechanism ensures optimal belt operation by adjusting the pressure applied by the pressure pulley. Appropriate clamping force can reduce the sliding friction between the belt and the hub, reduce the wear rate of the belt, and thus extend the service life of the belt. 5. Simplify the adjustment process: The belt tensioning mechanism uses an adjuster to change the position of the pressure wheel to adjust the belt tension. This design makes the adjustment process simple and quick, and can be completed without complex tools or professional knowledge. 6. Improve the overall performance of the equipment: The comprehensive application of the above designs not only improves the material handling capacity and transmission efficiency of the equipment, but also enhances the stability and reliability of the equipment. At the same time, these designs also take into account the maintainability and ease of use of the equipment, making the equipment more convenient and efficient during use.

[0056] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A silage crushing mechanism with adjustable gap, comprising a frame, characterized in that: The frame is provided with a conveyor, a feeding mechanism, a chopping mechanism, and a kneading mechanism in sequence along the material conveying direction; The feeding mechanism includes a feeding box arranged on a frame, a feeding roller assembly is rotatably arranged in the feeding box, the feeding gap between the feeding roller assemblies decreases linearly along the feeding direction, the discharge end of the conveyor is connected to the feed end of the feeding mechanism, and the material is transported into the feeding mechanism through the belt conveyor; The shredding mechanism includes a shredding box, a cutter roller is rotatably arranged in the shredding box, and cutter assemblies are evenly distributed around the axis on the cutter roller. A fixed blade plate is provided at the feed inlet of the shredding box corresponding to the position of the cutter roller, and the fixed blade plate is provided with a fixed cutter along the axial direction of the shredding roller. A gap adjustment device for adjusting the position of the fixed cutter is provided on the shredding box, and the feed end of the shredding box is connected to the discharge end of the feeding box. The kneading mechanism includes a kneading box, in which kneading roller one and kneading roller two are installed for relative rotation up and down, and kneading teeth are evenly distributed along the axial direction on the outer wall of the kneading roller. Scrapers are installed in the kneading box at the discharge positions corresponding to kneading roller one and kneading roller two, and the rotation directions of kneading roller one and kneading roller two are the same; the kneading box is also equipped with a gap adjustment device two for changing the gap between kneading roller one and kneading roller two, and a discharge port is provided at the tail end of the kneading box, and the feed end of the kneading box is connected to the discharge end of the feeding box.

2. The gap-adjustable silage crushing mechanism according to claim 1, characterized in that: The feeding roller assembly includes a first feeding roller and a second feeding roller which are rotatably arranged in the feeding box. A pre-pressing roller is also rotatably arranged at a position corresponding to the feed end in the feeding box. The first feeding roller includes a first pressing roller and a first supporting roller which are rotatably arranged in the feeding box, wherein the first pressing roller and the first supporting roller are arranged side by side up and down. The second feeding roller includes a second pressing roller and a second supporting roller which are rotatably installed in the feeding box, wherein the second pressing roller and the second supporting roller are arranged side by side up and down. A scraper is provided along the circumference of the second supporting roller at a position corresponding to the second supporting roller in the feeding box for scraping the material off the second supporting roller.

3. The gap-adjustable silage crushing mechanism according to claim 2, characterized in that: The pre-pressing roller is evenly provided with a press plate around its axis; the first press roller is evenly provided with a press plate with an angular cross-section around its axis, and the second press roller is evenly provided with a press tooth plate around its axis; a synchronous adjustment device is provided on the outside of the first press roller and the second press roller, and the synchronous adjustment device includes a synchronous swing arm located at both ends of the first press roller and the second press roller, wherein one end of the synchronous swing arm is rotatably connected to the pre-pressing roller as a support point, and the synchronous swing arm is connected to the first press roller and the second press roller through a bearing, The other end of the synchronous swing arm is connected to an adjusting arm, the middle part of the adjusting arm is rotatably arranged on the feeding box, one end of the adjusting arm is hinged to the end of the synchronous swing arm and is connected to an adjusting screw, and the other end of the adjusting arm is provided with a stopper, and a limit plate is designed on the feeding box corresponding to the position of the stopper. Adjustment holes are opened on the side wall of the feeding box within the adjustment range corresponding to the first pressing roller and the second pressing roller, and the synchronous cross brace is connected to the first pressing roller and the second pressing roller through bearings, and the pre-pressing roller, the first pressing roller and the second pressing roller rotate synchronously through a gear set.

4. The gap-adjustable silage crushing mechanism according to claim 1, characterized in that: The cutter assembly includes a cutter fixing disk set on a cutter roller, and cutter seats are evenly distributed around the circumference of the cutter roller on the cutter fixing disk. The cutter seats are detachably provided with a cutter, and the cutting direction of the cutter is along the tangent direction of the cutter roller; the cutter fixing disks are arranged in multiple groups side by side, and the cutter seats are mounted between two cutter fixing disks, and the cutter seats between two adjacent cutter fixing disks are staggered.

5. The gap-adjustable silage crushing mechanism according to claim 1, characterized in that: The gap adjustment device includes a floating box plate movably arranged at the bottom of the shredding box, one end of the floating box plate is hinged to the frame, and the other end of the floating box plate is hinged to the back of the movable knife holder. Adjustment arms are provided on both sides of the shredding box, one end of the adjustment arm is hingedly connected to the two ends of the movable knife holder, and the middle part of the adjustment arm is rotatably arranged on the shredding box through a rotating shaft. The other end of the corresponding adjustment arm on the shredding box is hingedly connected to an adjuster 1, and the gap between the cutter assembly and the fixed cutter and the floating box plate is changed by changing the length of the adjuster 1, thereby changing the shredding gap.

6. The gap-adjustable silage crushing mechanism according to claim 5, characterized in that: An automatic knife sharpening device is also provided at the top of the shredding box, and the automatic knife sharpening device includes a slide bar arranged along the axial direction of the shredding roller, a movable slider is provided on the slide bar, and a knife sharpening block is provided on the movable slider which can be raised and lowered. A knife sharpening block driving mechanism for driving the movable slider to move along the slide bar is also provided on the top of the shredding box, and the knife sharpening block driving mechanism includes a synchronous belt conveyor arranged along the axial direction of the shredding roller, and the movable slider is fixedly connected to the synchronous belt of the synchronous belt conveyor, and the synchronous belt conveyor is used to drive the knife sharpening block to move laterally along the slide bar to grind the cutter assembly.

7. The gap-adjustable silage crushing mechanism according to claim 1, characterized in that: The two ends of the kneading roller are movably arranged on the frame through a support arm, one end of the support arm is rotatably connected to the kneading box, and the kneading roller is rotatably arranged in the middle of the support arm. The gap adjustment device 2 includes an adjuster 2 arranged on the outer wall of the kneading box, and the free end of the adjuster 2 is hingedly connected to the support arm. By changing the extended length of the adjuster 2, the gap between the kneading roller 1 and the kneading roller 2 is changed, thereby changing the kneading parameters.