Bale unloading device

Abstract

The application relates to the technical field of bale unpacking, and provides a bale unpacking device. The bale unpacking device comprises a rack, a dismounting roller rotatably arranged on the rack, a movable frame slidably arranged on the rack and spaced apart from the dismounting roller, and a cutting mechanism arranged on the movable frame. The dismounting roller is provided with a piercing member extending outward in the radial direction, and the end of the piercing member is provided with a hook. The bale can be lapped on the dismounting roller and the movable frame, the end of the piercing member can be inserted into the bale and penetrate the net belt on the bale, and the cutting mechanism can cut off the net belt. The bale unpacking device disclosed by the application can drive the bale to rotate and push the movable frame to move by means of the rotation of the dismounting roller, so that the bale without support falls below the rack, the piercing member is inserted into the bale and penetrates the outer net belt of the bale, and the cutting mechanism cuts off the net belt. The net belt can be hooked on the dismounting roller, so that the separation of the forage and the net belt is realized, and the efficiency of bale unpacking is improved.

Description

Technical Field

[0001] This application relates to the field of hay bale unpacking technology, and in particular to a hay bale unpacking device. Background Technology

[0002] In modern agricultural and pastoral production, in order to facilitate the storage, transportation and commercial circulation of materials such as hay and straw, loose hay is usually compressed into shape by a baler and wrapped with multiple layers of mesh belts to form a dense, regularly shaped cylindrical hay bale.

[0003] The unpacking and removal of netting from cylindrical hay bales mainly relies on manual dismantling. Operators need to use special tools to manually cut and peel off the netting wrapped around the hay bales. This method is extremely labor-intensive and inefficient. At the same time, the cut netting is easily mixed with the hay, requiring manual secondary sorting and separation to prevent netting fragments from entering subsequent equipment such as feed mixers or crushers, which could lead to a decline in feed quality and equipment failure. Summary of the Invention

[0004] In view of this, this application aims to provide a bale unpacking device that can separate hay from the mesh belt and improve the efficiency of bale unpacking.

[0005] To achieve the above objectives, the technical solution of this application is implemented as follows:

[0006] A bale unpacking device suitable for cylindrical bales, comprising a frame, a de-brushing roller rotatably mounted on the frame, a movable frame slidably mounted on the frame and spaced apart from the de-brushing roller, and a cutting mechanism mounted on the movable frame;

[0007] The screen removal roller is provided with a piercing member extending radially outward, and the end of the piercing member is provided with a hook;

[0008] The hay bale can be attached to the de-netizing roller and the movable frame, the end of the piercing member can be inserted into the hay bale and pass through the mesh belt on the hay bale, and the cutting mechanism can cut the mesh belt;

[0009] When the de-net roller rotates, the bale of grass can be driven to rotate and push the movable frame to move away from the de-net roller. As the movable frame moves, the bale of grass falls under the frame and the mesh belt is hooked on the de-net roller.

[0010] Furthermore, the hook extends in the opposite direction to the rotation direction of the screen removal roller and bends radially toward the screen removal roller.

[0011] Furthermore, the cutting mechanism includes a cutting component slidably disposed on the movable frame, and a driving unit;

[0012] The cutting element extends along the axial direction of the screen removal roller, and the cutting element can be driven by the driving unit to reciprocate along the axial direction of the screen removal roller.

[0013] Furthermore, the movable frame is equipped with a first stop lever and a second stop lever;

[0014] The first stop bar is positioned on the side of the hay bale away from the denetizing roller, and the cutting element is located between the denetizing roller and the first stop bar;

[0015] The second stop lever is configured as two separate stops at both ends of the hay bale along the axial direction of the de-netizing roller.

[0016] Furthermore, a cable is connected to the movable frame, a pulley is provided on the frame for the cable to be wrapped around, and a counterweight is provided at the end of the cable;

[0017] The counterweight is used to drive the movable frame toward the screen removal roller.

[0018] Furthermore, the frame is provided with a limiting member for restricting the movement of the movable frame toward the screen removal roller.

[0019] Furthermore, the frame is provided with a conveyor belt and a clamping roller located below the screen removal roller;

[0020] The clamping roller abuts against the upper surface of the conveyor belt, and the conveyor belt and the clamping roller are able to clamp the drooping portion of the mesh belt and peel the mesh belt off from the descrambling roller;

[0021] The conveyor belt is capable of transporting the stripped mesh belt to the outside of the frame.

[0022] Furthermore, the outer periphery of the clamping roller is covered with an elastic material, or the clamping roller is made of an elastic material; and / or,

[0023] A translation component is provided between the conveyor belt and the frame, and the conveyor belt can move relative to the screen removal roller via the translation component.

[0024] Furthermore, the screen removal roller includes a mounting frame rotatably mounted on the frame, and a plurality of rollers rotatably mounted on the mounting frame;

[0025] The plurality of rollers are arranged at intervals around the screen-removing roller, and the piercing element is provided on each of the rollers;

[0026] Each of the rollers is provided with a driven member, and the frame is provided with a driving member. As the mounting frame rotates, the driving member can push against the driven member on the roller that has rotated to a preset position, causing the roller to rotate and causing the corresponding piercing member to deflect.

[0027] Furthermore, the driven member includes a drive arm disposed at the end of the roller and extending radially, and a guide protrusion disposed on the drive arm;

[0028] The driving component is a driving plate, and the driving plate is provided with a guide groove for the guide protrusion to slide.

[0029] When the roller rotates to the preset position, the guide protrusion can drive the drive arm and the roller to rotate under the guidance of the guide groove.

[0030] Compared with related technologies, this application has the following advantages:

[0031] (1) The bale unpacking device described in this application is equipped with a de-netizing roller, a movable frame, and a cutting mechanism. A piercing element with a hook is installed on the de-netizing roller. When the piercing element inserts into the bale and penetrates the outer mesh belt, and the cutting mechanism cuts the mesh belt, the rotation of the de-netizing roller not only drives the bale to rotate synchronously but also forces the bale to push the movable frame away from the de-netizing roller, thus creating space for it to fall. The unsupported bale then falls below the frame under gravity. At this point, the mesh belt can be hooked onto the de-netizing roller, thereby separating the hay from the mesh belt and improving the efficiency of bale unpacking.

[0032] (2) By extending the hook in the opposite direction of rotation and bending it toward the unloading roller, the net belt can be prevented from falling off the piercing piece when it is dragged by the bale, ensuring that the net belt can be stably captured in each unloading operation, thereby reducing the risk of unloading failure due to the net belt coming off the hook and improving the stability of the unloading operation.

[0033] (3) By setting up a reciprocating cutting component, the reciprocating sliding motion of the cutting component can cut the mesh belt covering the entire length of the hay bale when the hay bale is overlapped and positioned, ensuring the thorough separation of the mesh belt from the hay. At the same time, the reciprocating cutting component has high cutting efficiency, which can ensure that the mesh belt is cut in one go.

[0034] (4) By setting the first stop bar, the bales can be prevented from rolling off the movable frame. At the same time, the second stop bar can be set to laterally limit the ends of the bales, preventing the bales from falling off the movable parts and restricting the movement of the bales, thus avoiding the movement of the bales from affecting the cutting efficiency of the cutting parts, thereby ensuring the stability of the unpacking operation.

[0035] (5) By setting a cable connecting the movable frame and setting a counterweight at the end of the cable, the movable frame can be pulled by the gravity of the counterweight after the bales push the movable frame outward, thereby resetting the movable frame. No additional power source is required, which simplifies the energy consumption and control method of the unpacking device and ensures the rhythm and efficiency of continuous unpacking operations.

[0036] (6) By setting a limiting component on the frame that acts on the movable frame, the distance between the movable frame and the de-netizing roller can be limited, avoiding interference between the piercing component on the de-netizing roller and the movable frame. At the same time, the reserved distance between the movable frame and the de-netizing roller allows the bales to be stably overlapped between the movable frame and the de-netizing roller, ensuring the stability of the bales mounting position.

[0037] (7) By arranging the conveyor belt and the clamping roller below the de-stripping roller and abutting each other, the hanging part of the mesh belt can be actively clamped after the mesh belt is peeled off from the hay bale and hangs down naturally. The mesh belt is continuously pulled and peeled off from the hook of the de-stripping roller by the rotation of the de-stripping roller and the conveyor belt, so as to separate the mesh belt from the de-stripping roller and avoid the mesh belt from getting tangled on the de-stripping roller.

[0038] (8) By coating the outer periphery of the clamping roller with elastic material or directly using elastic material, elastic deformation can be generated when clamping the mesh belt, increasing the gripping friction of the mesh belt. It can also adapt to the stacking and uneven parts of the mesh belt, ensuring the peeling effect of the mesh belt. In addition, by setting a translation component, the conveyor belt can be driven to translate, thereby adjusting the position of the conveyor belt under the screen removal roller, so that the transmission belt can receive the mesh belt. At the same time, the screen removal roller can be easily maintained and repaired by moving the conveyor belt.

[0039] (9) By setting multiple rollers on the mounting frame and setting piercing parts and driven parts on each roller, and then fixing driving parts on the frame, while the entire netting roller revolves, the driving parts at the preset position will engage with the driven parts on the roller passing through that position to drive the roller to rotate, thereby causing the piercing parts on the roller to deflect, changing the angle and orientation of the hook, which is conducive to the netting belt falling off and preventing the netting belt from getting tangled on the netting roller.

[0040] (10) By designing the driven part of the roller as a drive arm with a guide protrusion and the drive part as a drive plate with a guide groove, when the roller revolves with the mounting frame to the preset netting position, the guide protrusion can move under the constraint of the guide groove, thereby driving the entire roller to rotate through the preset angle through the drive arm, thus completing the deflection of the piercing part. Its structure is simple and stable, and no additional power device is required, which is conducive to the removal of the mesh belt. Attached Figure Description

[0041] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings:

[0042] Figure 1 This is a schematic diagram of the overall structure of the hay bale unpacking device described in the embodiments of this application;

[0043] Figure 2This is a side view of the bale unpacking device described in this application embodiment when it is equipped with bales;

[0044] Figure 3 This is a side view of the hay bale unpacking device described in the embodiment of this application, where the bale falls due to the movement of the movable part.

[0045] Figure 4 This is a partial enlarged view of the movable frame at the end of the cutting piece according to an embodiment of this application;

[0046] Figure 5 This is a schematic diagram of the overall structure of the movable frame described in the embodiment of this application;

[0047] Figure 6 This is a schematic diagram of the overall structure of the hay bale unpacking device described in this application embodiment when a different unpacking roller is used;

[0048] Figure 7 This is a schematic diagram of the structure of the screen removal roller described in the embodiments of this application;

[0049] Figure 8 This is a schematic diagram of the structure of the screen removal roller and drive plate described in the embodiments of this application;

[0050] Explanation of reference numerals in the attached figures:

[0051] 1. Rack;

[0052] 101. Guide beam; 1011. Groove;

[0053] 102. Pulley;

[0054] 103. Slide rail; 1301. Locking component;

[0055] 104. Second motor;

[0056] 105. Drive board; 1051. Guide groove;

[0057] 106. Limiting components;

[0058] 2. Remove the screen rollers;

[0059] 201. Mounting bracket; 2011. Shaft; 2012. Mounting plate; 2013. Support plate;

[0060] 202. Roller;

[0061] 203. Drive arm; 2031. Guide protrusion;

[0062] 3. Puncture pieces;

[0063] 301. Hook;

[0064] 4. Movable rack;

[0065] 401. Pulley; 4011. Guide wheel; 402. Bearing beam; 403. First stop lever; 404. Second stop lever; 405. Holding element; 406. Cable; 4061. Counterweight;

[0066] 407. Abutment component; 408. Spring;

[0067] 5. Cut parts;

[0068] 501. Knife holder; 502. Cutting knife;

[0069] 6. Drive unit; 601. Rocker arm; 602. Crank; 603. First motor;

[0070] 7. Conveyor belt;

[0071] 701. Third motor;

[0072] 8. Clamping rollers;

[0073] 9. Straw bales. Detailed Implementation

[0074] To make the technical solution and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0075] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0076] Furthermore, it should be noted that in the description of this application, if terms such as "upper," "lower," "inner," or "outer" appear, indicating orientation or positional relationship, these are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, if terms such as "first" or "second" appear, they are also used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0077] Furthermore, in the description of this application, unless otherwise expressly defined, the terms "installation," "connection," "joining," and "connector" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application in light of the specific circumstances.

[0078] In this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0079] The present application will now be described in detail through exemplary embodiments. However, it should be understood that, without further description, elements, structures, and features in one embodiment may be advantageously incorporated into other embodiments.

[0080] An embodiment of the first aspect of this application provides a hay bale unpacking device.

[0081] In related technologies, the unpacking and netting of cylindrical hay bales mainly relies on manual dismantling. Operators need to use special tools to manually cut and peel off the netting wrapped around the hay bales. This method is extremely labor-intensive and inefficient. At the same time, the cut netting is easily mixed with the hay, requiring manual secondary sorting and separation to prevent the netting fragments from entering subsequent equipment such as feed mixers or crushers, which would cause a decline in feed quality and equipment failure.

[0082] In view of this, in order to overcome the shortcomings of the related technology, the bale unpacking device of this embodiment combines... Figures 1 to 3 As shown, the overall design includes a frame 1, a screen removal roller 2 rotatably mounted on the frame 1, a movable frame 4 slidably mounted on the frame 1 and spaced apart from the screen removal roller 2, and a cutting mechanism mounted on the movable frame 4.

[0083] The denetizing roller 2 is equipped with a radially outward-extending piercing element 3, and the end of the piercing element 3 is equipped with a hook 301. The bale 9 can be overlapped on the denetizing roller 2 and the movable frame 4. The end of the piercing element 3 can be inserted into the bale 9 and pass through the mesh belt on the bale 9, and the cutting mechanism can cut the mesh belt. When the denetizing roller 2 rotates, the bale 9 can be driven to rotate and push the movable frame 4 to move away from the denetizing roller 2. As the movable frame 4 moves, the bale 9 falls below the frame 1, and the mesh belt is hooked on the denetizing roller 2.

[0084] Therefore, by setting up a de-stripping roller 2, a movable frame 4, and a cutting mechanism, and by installing a piercing element 3 with a hook 301 on the de-stripping roller 2, when the piercing element 3 inserts into the bale 9 and penetrates its outer mesh belt, and the cutting mechanism cuts the mesh belt, the rotation of the de-stripping roller 2 not only drives the bale 9 to rotate synchronously, but also forces the bale 9 to push the movable frame 4 away from the de-stripping roller 2, thereby creating space for it to fall. The unsupported bale 9 then falls below the frame 1 under gravity. At this point, the mesh belt can be hooked onto the de-stripping roller 2, thus separating the hay from the mesh belt and improving the efficiency of unpacking the bale 9.

[0085] Based on the above overall introduction, specifically, combined with Figure 1 , Figure 5 As shown, the top of the frame 1 is provided with two parallel and spaced-apart guide beams 101, and the movable frame 4 is slidably mounted on these guide beams 101. The guide beams 101 are made of channel steel, with the grooves 1011 of the two channel beams arranged opposite to each other. The movable frame 4 includes two trolleys 401 slidably mounted in the grooves 1011 of the guide beams 101, and two load-bearing beams 402 connecting the two trolleys 401. Thus, by cooperating with the guide beams 101 made of channel steel and the trolleys 401, stable sliding of the movable frame 4 on the frame 1 can be achieved. It is worth mentioning that a conveying mechanism can be provided below the frame 1 of this application, which can transport the falling bales 9, i.e., hay, to other hay processing equipment outside.

[0086] Specifically, in this embodiment, the trolley 401 is provided with guide wheels 4011 that abut against the bottom and side wall of the groove 1011, and the guide wheels 4011 are arranged at both ends of the trolley 401 along the sliding direction of the movable frame 4, so as to further ensure the smooth sliding of the movable frame 4 and prevent the movable frame 4 from detaching from the frame 1.

[0087] In some exemplary embodiments, the hook 301 extends in the opposite direction of rotation of the unloading roller 2 and bends radially toward the unloading roller 2. By extending the hook 301 in the opposite direction of rotation and bending it toward the unloading roller 2, the mesh belt can be prevented from falling off the piercing member 3 when it is dragged by the bale 9, ensuring that the mesh belt can be stably captured in each unloading operation. This helps to reduce the risk of unloading failure due to the mesh belt coming off the hook and improves the stability of the unloading operation.

[0088] Combining 1, Figure 5 As shown, in one specific embodiment, the cutting mechanism includes a cutting element 5 slidably mounted on the movable frame 4, and a driving unit 6. The cutting element 5 extends along the axial direction of the screen removal roller 2, and the cutting element 5 can be driven by the driving unit 6 to reciprocate along the axial direction of the screen removal roller 2.

[0089] By incorporating a reciprocating cutting element 5, the mesh belt covering the entire length of the bale 9 can be cut during the overlapping and positioning of the bale 9, ensuring thorough separation of the mesh belt from the hay. Furthermore, the reciprocating cutting element 5 offers high cutting efficiency, ensuring a single cut of the mesh belt.

[0090] Combination Figure 4 , Figure 5 As shown, in a specific implementation, the cutting component 5 of this embodiment includes a blade holder 501 and a detachable cutting blade 502 mounted on the blade holder 501. The bottom of the blade holder 501 is provided with a mating groove, and the supporting beam 402 on the movable frame 4 near the debonding roller 2 is slidably disposed in the mating groove, allowing the cutting component 5 to achieve smooth reciprocating motion through the sliding engagement between the mating groove and the supporting beam 402. Meanwhile, to prevent the blade holder 501 from tipping over due to the pushing of the hay bale 9, the movable frame 4 of this embodiment is provided with retaining members 405. The retaining members 405 are configured as two separate members located on both sides of the blade holder 501. In one embodiment, the end of one retaining member 405 abuts against the blade holder 501, and the other retaining member 405 abuts against the cutting blade 502. In another embodiment, both retaining members 405 may abut against both sides of the cutting blade 502. The two retainers 405 prevent the cutting blade 5 from tipping over when the bale 9 pushes against the cutter 502 or when the bale 9 falls and pulls on the cutter 502. Furthermore, the cutter 502 is detachably mounted on the blade holder 501 by bolts, facilitating maintenance and replacement of the cutter 502.

[0091] Furthermore, in this embodiment, the drive unit 6 includes a rocker arm 601 connected to the cutting member 5, a crank 602 driven to rotate by the first motor 603 and connected to the rocker arm 601. The crank 602 is coaxially connected to a sprocket, and the output shaft of the first motor 603 is connected to the sprocket via a chain drive. Of course, the first motor 603 and the crank 602 can also be driven by other transmission methods, such as belt drive or gear drive. Alternatively, directly connecting the output shaft of the first motor 603 to the crank 602 can also drive the cutting member 5.

[0092] In some exemplary embodiments, the movable frame 4 is provided with a first stop bar 403 and a second stop bar 404. The first stop bar 403 is positioned on the side of the hay bale 9 away from the de-netizing roller 2, and the cutting element 5 is located between the de-netizing roller 2 and the first stop bar 403. The second stop bar 404 is configured to be two separate stops at both ends of the hay bale 9 along the axial direction of the de-netizing roller 2. By setting the first stop bar 403, the hay bale 9 can be prevented from rolling off the movable frame 4. At the same time, the second stop bar 404 can laterally limit the ends of the hay bale 9, preventing the hay bale 9 from falling off the movable element and restricting the movement of the hay bale 9, thus avoiding the movement of the hay bale 9 from affecting the cutting efficiency of the cutting element 5, thereby ensuring the stability of the unpacking operation. Furthermore, when the hay bale 9 pushes the movable frame 4 outward, the counterweight 4061 can enable the movable frame 4 and the de-netizing roller to have a certain clamping force on the hay bale 9, ensuring that the piercing element 3 can stably pierce into the hay bale 9, ensuring the capture effect of the mesh belt.

[0093] Furthermore, as a specific implementation, a cable 406 is connected to the movable frame 4, and a pulley 102 is provided on the frame 1 for the cable 406 to be wrapped around. A counterweight 4061 is provided at the end of the cable 406. The counterweight 4061 is used to drive the movable frame 4 towards the unloading roller 2. By setting the cable 406 connecting the movable frame 4 and providing a counterweight 4061 at the end of the cable 406, the movable frame 4 can be pulled back to its original position by the gravity of the counterweight 4061 after the bale 9 pushes it outward. This eliminates the need for an additional power source, simplifies the energy consumption and control method of the unloading device, and ensures the cycle time and efficiency of continuous unloading operations.

[0094] In practical implementation, in this embodiment, two cables 406, counterweights 4061, and pulleys 102 are each configured, and the two cables 406 are respectively connected to two trolleys 401 to facilitate synchronous traction of the two trolleys 401, ensuring the smoothness and stability of the sliding reset of the movable frame 4. Of course, the cables 406 and pulleys 102 can also adopt other structural forms, as long as they can drive the movable parts to reset.

[0095] Based on this, the frame 1 of this embodiment is provided with a limiting member 106 to restrict the excessive movement of the movable frame 4 toward the de-netizing roller 2. By providing the limiting member 106 acting on the movable frame 4 on the frame 1, the distance between the movable frame 4 and the de-netizing roller 2 can be limited, avoiding interference between the piercing member 3 on the de-netizing roller 2 and the movable frame 4. At the same time, the reserved distance between the movable frame 4 and the de-netizing roller 2 allows the bale 9 to be stably overlapped between the movable frame 4 and the de-netizing roller 2, ensuring the stability of the bale 9's mounting position.

[0096] In specific implementation, the limiting member 106 in this embodiment is configured as two separate members located at the top of the two guide beams 101. Corresponding to the limiting member 106, the movable frame 4 has an abutment member 407 on the side facing the limiting member 106, and a spring 408 is provided between the abutment member 407 and the movable frame 4. Thus, when the movable frame 4 resets, the spring 408 buffers and reduces the impact force between the movable member and the limiting member 106, avoiding hard contact between the movable frame 4 and the limiting member 106, which could cause structural damage to the movable frame 4 and the limiting member 106. Of course, the spring 408 in this embodiment can also be provided on the limiting member 106. In actual use, if the limiting member 106 interferes with the tool holder 501, the limiting member 106 can also be provided in the groove 1011 of the guide beam, and the corresponding abutment member 407 can be provided at the end of the trolley 401 facing the net-removing rod and cooperate with the limiting member 106.

[0097] In some exemplary embodiments, the frame 1 is provided with a conveyor belt 7 and a clamping roller 8 located below the stripping roller 2. The clamping roller 8 abuts against the upper surface of the conveyor belt 7, and the conveyor belt 7 and the clamping roller 8 are able to clamp the drooping portion of the mesh belt and peel the mesh belt off from the stripping roller 2. The conveyor belt 7 is able to transport the peeled mesh belt to the outside of the frame 1.

[0098] By arranging the conveyor belt 7 and the clamping roller 8 below the de-stripping roller 2 and abutting against each other, the hanging part of the mesh belt can be actively clamped after it is peeled off from the hay bale 9 and hangs down naturally. The rotation of the de-stripping roller 2 and the conveyor belt 7 is used to continuously pull and peel the mesh belt off from the hook 301 of the de-stripping roller 2, thereby separating the mesh belt from the de-stripping roller 2 and preventing the mesh belt from getting tangled on the de-stripping roller 2. At the same time, the remaining mesh belt on the upper part of the hay bale 9 is continuously peeled off cleanly.

[0099] In specific implementations, the outer periphery of the clamping roller 8 in this embodiment is covered with an elastic material, or the clamping roller 8 is made of an elastic material. By covering the outer periphery of the clamping roller 8 with an elastic material or directly using an elastic material, elastic deformation can be generated when clamping the mesh belt, increasing the gripping friction of the mesh belt, and also adapting to the stacking and uneven parts of the mesh belt, ensuring the peeling effect of the mesh belt. Specifically, the elastic material in this embodiment can be conventional elastic materials well known to those skilled in the art, such as rubber.

[0100] In another specific implementation, the clamping roller 8 in this embodiment can be composed of multiple coaxially connected rubber wheels. In this case, the rubber wheels can be spaced apart, which reduces the number of rubber wheels used, saves costs, and allows space to be reserved for the pre-set protrusions or hooks on the conveyor belt 7. By setting pre-set protrusions or hooks on the surface of the conveyor belt 7, the traction force of the conveyor belt 7 can be increased, thereby enhancing its gripping ability on the mesh belt. It should be noted that if hooks are set on the conveyor belt 7, the hooks should be arranged at an angle opposite to the direction of mesh exit of the conveyor belt 7 to ensure that the mesh belt caught by the hooks of the conveyor belt 7 can be smoothly released.

[0101] Furthermore, in this embodiment, a translation component is provided between the conveyor belt 7 and the frame 1, allowing the conveyor belt 7 to move relative to the screen removal roller 2 via the translation component. By providing the translation component, the conveyor belt 7 can be driven to translate, thereby adjusting the position of the conveyor belt 7 below the screen removal roller 2, so that the conveyor belt 7 can receive the screen belt, and at the same time, the screen removal roller 2 can be easily maintained and repaired by moving the conveyor belt 7.

[0102] Specifically, the translation component of this embodiment includes slide rails 103 mounted on the frame 1 and distributed on both sides of the conveyor belt 7. The retainers of the conveyor belt 7 are slidably mounted on the corresponding slide rails 103, and the retainers of the conveyor belt 7 are provided with multiple insertion holes. The bottom or side wall of the slide rails 103 are provided with multiple through holes. By inserting a locking member 1301 through the through holes into the corresponding insertion holes and tightening the bolts, the conveyor belt 7 can be fixed in a preset position below the screen removal roller 2, thereby achieving the fixing and adjustment of the position of the conveyor belt 7. The locking member 1301 can be a locating pin or a bolt.

[0103] Combination Figure 6 , Figure 7 As shown, in a specific implementation, the screen removal roller 2 of this embodiment includes a mounting frame 201 rotatably mounted on the frame 1, and a plurality of rollers 202 rotatably mounted on the mounting frame 201. The plurality of rollers 202 are arranged at intervals around the screen removal roller 2, and piercing elements 3 are provided on each roller 202. Each roller 202 is provided with a driven element, and the frame 1 is provided with a driving element. As the mounting frame 201 rotates, the driving element can push against the driven element on the roller 202 that has rotated to a preset position, driving the roller 202 to rotate and causing the corresponding piercing element 3 to deflect.

[0104] By setting multiple rollers 202 on the mounting frame 201, and setting piercing elements 3 and driven elements on each roller 202, and then fixing a driving element on the frame 1, while the entire netting roller 2 revolves, the driving element at a preset position engages with the driven element on the roller 202 passing through that position to drive the roller 202 to rotate, thereby causing the piercing elements 3 on the roller 202 to deflect, changing the angle and orientation of the hook 301, which helps the net belt to fall off and prevents the net belt from getting tangled on the netting roller 2.

[0105] In a specific implementation, the mounting frame 201 of this embodiment includes a rotating shaft 2011 rotatably mounted on the frame 1, and two mounting plates 2012 disposed at both ends of the rotating shaft 2011. The two ends of each roller 202 pass through the two mounting plates 2012. Furthermore, a plurality of support plates 2013 are provided on the rotating shaft 2011 between the two mounting plates 2012. The support plates 2013 can radially support each roller 202 to prevent the roller 202 from bending.

[0106] Furthermore, for any roller 202, the piercing elements 3 on the roller 202 are spaced apart along the axial direction of the roller 202 and arranged in a single row, so that each piercing element 3 on the roller 202 can be inserted into the straw bale 9 synchronously and rotate synchronously with the roller 202 at a certain angle.

[0107] In addition, a second motor 104 is provided on the frame 1 in this embodiment. The second motor 104 can be connected to the rotating shaft 2011 via chain drive, belt drive, or other means. Meanwhile, a third motor 701 for driving the conveyor belt 7 to rotate is provided on the retainers on both sides of the conveyor belt 7 or on the frame 1 in this embodiment, and the clamping roller 8 is directly driven to rotate by the upper surface of the conveyor belt 7. Of course, in this embodiment, the conveyor belt 7 can also be connected to the second motor 104 via chain drive, belt drive, or other means, so that the second motor 104 synchronously drives the screen removal roller 2 to run synchronously with the conveyor belt 7. Moreover, depending on the specific situation, the clamping roller 2 can also be a powered roller.

[0108] Furthermore, in combination Figure 6 , Figure 8 As shown, the driven member includes a drive arm 203 located at the end of the roller 202 and extending radially, and a guide protrusion 2031 located on the drive arm 203. The drive member is a drive plate 105, which has a guide groove 1051 for the guide protrusion 2031 to slide. When the roller 202 rotates to a preset position, the guide protrusion 2031 can drive the drive arm 203 and the roller 202 to rotate under the guidance of the guide groove 1051.

[0109] By designing the driven component of the roller 202 as a drive arm 203 with a guide protrusion 2031, and the drive component as a drive plate 105 with a guide groove 1051, when the roller 202 revolves with the mounting frame 201 to the preset netting position, the guide protrusion 2031 can move under the constraint of the guide groove 1051, thereby driving the entire roller 202 to rotate through the preset angle through the drive arm 203, thus completing the deflection of the piercing part 3. Its structure is simple and stable, requires no additional power device, and is conducive to the detachment of the mesh belt.

[0110] Of course, in addition to the above-mentioned structural form, the screen removal roller 2 can also be a cylindrical roller body with rotating shafts 2011 mounted on the frame 1 at both ends. Based on this, each piercing element 3 is located on the outer wall of the screen removal roller 2, which simplifies the structural form of the screen removal roller 2 and improves the reliability of its operation while ensuring the hooking effect on the mesh belt.

[0111] The bale unpacking device of this embodiment adopts the above design. It includes a de-stripping roller 2, a movable frame 4, and a cutting mechanism. A piercing element 3 with a hook 301 is installed on the de-stripping roller 2. When the piercing element 3 inserts into the bale 9 and penetrates its outer mesh belt, and the cutting mechanism cuts the mesh belt, the rotation of the de-stripping roller 2 not only drives the bale 9 to rotate synchronously but also forces the bale 9 to push the movable frame 4 away from the de-stripping roller 2, thus creating space for it to fall. The unsupported bale 9 then falls below the frame 1 under gravity. At this time, the mesh belt can be hooked onto the de-stripping roller 2, thereby separating the hay from the mesh belt and improving the efficiency of unpacking the bale 9.

[0112] The above descriptions are merely some embodiments of this application and are not intended to limit this application. The technical features or structures in the foregoing different embodiments can be arbitrarily combined to form other specific technical solutions as needed. For those skilled in the art, this application can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of the claims of this application.

Claims

1. A hay bale unpacking device, suitable for cylindrical hay bales (9), characterized in that: It includes a frame (1), a screen removal roller (2) rotatably mounted on the frame (1), a movable frame (4) slidably mounted on the frame (1) and spaced apart from the screen removal roller (2), and a cutting mechanism mounted on the movable frame (4); The screen removal roller (2) is provided with a piercing member (3) extending radially outward, and the end of the piercing member (3) is provided with a hook (301). The bale (9) can be attached to the netting roller (2) and the movable frame (4), the end of the piercing member (3) can be inserted into the bale (9) and pass through the netting on the bale (9), and the cutting mechanism can cut the netting; When the netting roller (2) rotates, the bale (9) can be driven to rotate and push the movable frame (4) to move away from the netting roller (2). As the movable frame (4) moves, the bale (9) falls under the frame (1), and the net belt is hooked on the netting roller (2).

2. The hay bale unpacking device according to claim 1, characterized in that: The hook (301) extends in the opposite direction to the rotation direction of the screen removal roller (2) and bends radially toward the screen removal roller (2).

3. The hay bale unpacking device according to claim 1, characterized in that: The cutting mechanism includes a cutting component (5) slidably mounted on the movable frame (4) and a driving unit (6). The cutting element (5) extends along the axial direction of the screen removal roller (2), and the cutting element (5) can be driven by the driving unit (6) to reciprocate along the axial direction of the screen removal roller (2).

4. The hay bale unpacking device according to claim 3, characterized in that: The movable frame (4) is provided with a first stop bar (403) and a second stop bar (404). The first stop bar (403) is positioned on the side of the straw bale (9) away from the netting roller (2), and the cutting piece (5) is located between the netting roller (2) and the first stop bar (403); The second stop bar (404) is configured as two separate stops at both ends of the hay bale (9) along the axial direction of the net-removing roller (2).

5. The hay bale unpacking device according to claim 1, characterized in that: The movable frame (4) is connected to a cable (406), the frame (1) is provided with a pulley (102) for the cable (406) to be wrapped around, and the end of the cable (406) is provided with a counterweight (4061). The counterweight (4061) is used to drive the movable frame (4) to move toward the screen removal roller (2).

6. The hay bale unpacking device according to claim 1, characterized in that: The frame (1) is provided with a limiting member (106) for restricting the movement of the movable frame (4) toward the screen removal roller (2).

7. The hay bale unpacking device according to claim 1, characterized in that: The frame (1) is provided with a conveyor belt (7) and a clamping roller (8) located below the screen removal roller (2). The clamping roller (8) abuts against the upper surface of the conveyor belt (7), and the conveyor belt (7) and the clamping roller (8) are able to clamp the drooping part of the mesh belt and peel the mesh belt off from the descrambling roller (2); The conveyor belt (7) is capable of transporting the stripped mesh belt to the outside of the frame (1).

8. The hay bale unpacking device according to claim 7, characterized in that: The outer periphery of the clamping roller (8) is covered with an elastic material, or the clamping roller (8) is made of an elastic material; and / or, A translation component is provided between the conveyor belt (7) and the frame (1), and the conveyor belt (7) can move relative to the screen removal roller (2) through the translation component.

9. The hay bale unpacking device according to any one of claims 1 to 8, characterized in that: The screen removal roller (2) includes a mounting frame (201) rotatably mounted on the frame (1) and a plurality of rollers (202) rotatably mounted on the mounting frame (201). The plurality of rollers (202) are arranged at intervals around the screen removal roller (2), and the piercing element (3) is provided on each of the rollers (202); Each roller (202) is provided with a driven member, and the frame (1) is provided with a driving member. As the mounting frame (201) rotates, the driving member can push against the driven member on the roller (202) that has rotated to a preset position, causing the roller (202) to rotate and causing the corresponding piercing member (3) to deflect.

10. The hay bale unpacking device according to claim 9, characterized in that: The driven member includes a drive arm (203) disposed at the end of the roller (202) and extending radially, and a guide protrusion (2031) disposed on the drive arm (203). The driving component is a driving plate (105), and the driving plate (105) is provided with a guide groove (1051) for the guide protrusion (2031) to slide. When the roller (202) rotates to the preset position, the guide protrusion (2031) can drive the drive arm (203) and the roller (202) to rotate under the guidance of the guide groove (1051).

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