Pneumatic conveying device and puffing equipment

Abstract

This invention relates to a pneumatic conveying device and an extrusion device. The pneumatic conveying device is connected to the extrusion device and the cutting device, and includes: an upper shell module; a lower shell module having an open state and a closed state, including two half-shell units and two first sealing units. The two half-shell units are rotatably suspended from the upper shell module. In the closed state, the two half-shell units form a first insertion hole for accommodating the cutter of the cutting device, and are sealed to the upper shell module and the extrusion device, forming an air inlet and an air outlet. The two first sealing units are disposed on the half-shell units and are slidably disposed on both sides of the first insertion hole, and in the closed state, seal the connection between the drive shaft of the cutter and the lower shell module; a drive module, one end of which is installed on the upper shell module and the other end of which is installed on the half-shell unit, for providing the driving force for switching the lower shell module between the open and closed states; the pneumatic conveying device has good sealing and facilitates cutter adjustment and maintenance.

Description

Technical Field

[0001] This invention relates to the field of feed processing machinery technology, and in particular to a pneumatic conveying device and an extrusion equipment. Background Technology

[0002] With the increasing demand for meat and egg products, extruded feed is widely used as agricultural and livestock feed due to its excellent characteristics such as high palatability, easy digestibility, high protein value, good quality and low cost. As a result, extrusion equipment for producing extruded feed has also developed rapidly.

[0003] Currently, extrusion equipment mainly includes an extrusion unit, a cutting unit, and a pneumatic conveying unit. The extrusion unit forms material and discharges it from the outlet. The cutting unit cuts the material into feed pellets, and the pneumatic conveying unit picks up the feed pellets and transports them to the next process. Existing pneumatic conveying units use negative pressure fans to directly draw air from the vicinity of the extrusion unit. However, due to the daily debugging and production of the extrusion unit, the environment is poor, bacteria grow, and feed pellets are easily contaminated, making it difficult to meet the quality requirements of extruded feed. To solve this problem, a sealed pneumatic conveying unit with optimized air source has emerged. The air inlet of the positive pressure fan on the air inlet side is set in a stable environment far away from the extrusion unit to blow in clean air, and a negative pressure fan is set on the discharge side. However, this process design places high demands on the structure of the extrusion unit, and due to the closed structure, the cutting blade configuration of the cutting unit is inconvenient to adjust and clean. At the same time, the large gap at the cutting blade causes feed pellets to leak out and accumulate, affecting the movement of the cutting blade.

[0004] Therefore, how to provide a pneumatic conveying device and extrusion equipment with better sealing and easy adjustment and maintenance of the cutter is a technical problem that urgently needs to be solved. Summary of the Invention

[0005] Therefore, it is necessary to provide a pneumatic conveying device and an extrusion equipment that have a better seal and are easy to adjust and maintain the cutter.

[0006] This invention provides a pneumatic conveying device connected to an extrusion device and a cutting device, comprising:

[0007] Top shell module;

[0008] The lower shell module has an open state and a closed state, including two half-shell units and two first sealing units. The two half-shell units are rotatably suspended from the upper shell module. In the closed state, the two half-shell units form a first insertion hole for accommodating the cutter of the cutting device, and are sealed to the upper shell module and the puffing device to form an air inlet and an air outlet. The two first sealing units are disposed on the half-shell units and are slidably disposed on both sides of the first insertion hole, and are sealed to the drive shaft of the cutter and the lower shell module in the closed state.

[0009] The drive module, with one end mounted on the upper shell module and the other end mounted on the half-shell unit, is used to provide the driving force for the lower shell module to switch between the open state and the closed state.

[0010] In one embodiment, the first sealing unit includes a first slide rail, a first slider, and a first fastener, wherein:

[0011] The first slide rail is disposed on the outer wall of the half-shell unit near its side end face and is slidably connected to the first slider. A locking position is provided on the first slide rail.

[0012] The first fastener passes through the first slider and engages with the locking position to have a locked state and an unlocked state;

[0013] The first slider is positioned opposite to the first seal fitted on the drive shaft, and in the locked state, it wraps around the first seal to seal the drive shaft and the lower housing module.

[0014] In one embodiment, the first sealing unit further includes a first nut, and the middle region of the first slide rail forms a stepped groove with its large end facing the half-shell unit, the first nut being disposed within the large end of the stepped groove to form the locking position.

[0015] In one embodiment, the outer side of the first slide rail and one end of the first slider are respectively formed with dovetail grooves that are closed to each other, the other end of the first slider is formed with a first semi-circular groove for accommodating the first seal, and the middle area is provided with a first through hole for the first fastener to pass through.

[0016] In one embodiment, the pneumatic conveying device further includes a second sealing unit, wherein the side end and upper end of the half-shell unit and the lower end of the upper shell module are respectively formed with flange surfaces, and the second sealing unit includes a first sealing strip and a second sealing strip, wherein the first sealing strip is disposed on the side end face of the half-shell unit, and the second sealing strip is disposed on the upper end face of the half-shell unit or the lower end face of the upper shell module.

[0017] In one embodiment, the second sealing unit further includes four first clamping assemblies. Each first clamping assembly includes a first power source and a first limiting block installed at the output end of the first power source. The output end of the first power source is used to output rotational motion. In two of the first clamping assemblies, the fixed end of the first power source is installed at the lower end of the upper shell module, and the first limiting block extends into the upper end of the half-shell unit away from the upper shell module and compresses the second sealing strip when the unit is closed. In the other two first clamping assemblies, the fixed end of the first power source is installed on both sides of one half-shell unit, and the first limiting block extends into the other half-shell unit away from its side end face and compresses the first sealing strip when the unit is closed.

[0018] In one embodiment, the second sealing unit further includes four second limiting blocks, two of which are disposed at the upper end of one of the half-shell units along the thickness direction of the upper shell module and close to the first sealing strip.

[0019] In one embodiment, the second sealing unit further includes two semi-clamping rings, which are engaged in grooves on the side wall of the semi-shell unit and are sealed to the puffing device by clamps.

[0020] In one embodiment, the half-shell unit includes:

[0021] The outer shell has an upper opening, a lower opening, an arc-shaped groove and a side opening, and a mounting ear plate is formed at the upper end. The mounting ear plate has a pivot hole, which cooperates with the hoisting pivot on the upper shell module. The arc-shaped groove opens on the side end face of the outer shell and two arc-shaped grooves cooperate to form the first insertion hole.

[0022] The plate assembly includes a wind baffle and a partition. The partition is fixed inside the outer shell. The wind baffle is rotatably disposed inside the outer shell and has a bypass state and a forward state. In the bypass state, the orthographic projection of the wind baffle on the upper opening covers the upper opening. In the forward state, the wind baffle covers the partition and the air duct plate of the upper shell module.

[0023] A wind deflector assembly, disposed on the housing and connected to the wind deflector plate, is used to provide a driving force for switching the wind deflector plate between the bypass state and the forward state.

[0024] In one embodiment, the pneumatic conveying device further includes two limiting modules, each corresponding to one of the half-shell units. Each limiting module includes a second power source and a limiting hole. The limiting hole is opened on the mounting ear plate. The fixed end of the second power source is located on the upper shell module, and the output end can pass through the limiting hole and reciprocate along the axis of the limiting hole.

[0025] In one embodiment, the pneumatic conveying device further includes a guiding module, which includes a guide pin and a guide hole that cooperates with the guide pin. The guide pin is disposed on a side end face of one of the half-shell units, and the guide hole opens on a side end face of the other half-shell unit.

[0026] In one embodiment, the pneumatic conveying device further includes a discharge module, which comprises a frame, a insert plate, a cover plate, a third sealing strip, and a third power source, wherein:

[0027] The frame is mounted on the lower end of the outer shell;

[0028] The cover plate is placed on the frame and exposes the lower opening;

[0029] The third sealing strip is located on the side of the frame near the outer shell;

[0030] The fixed end of the third power source is located on the frame, and the output end is connected to the plug plate;

[0031] The insert plate has a discharge state and a closed state. In the discharge state, the insert plate moves to cover the cover plate and exposes the lower opening. In the closed state, the insert plate presses against the third sealing strip and blocks the lower opening.

[0032] In one embodiment, the material discharge module further includes an obstacle detection component, which is located on the side of the frame away from the side opening and is communicatively connected to the drive module. The drive module can be activated when the obstacle detection component does not detect an obstacle.

[0033] In addition, the present invention also provides an extrusion device, including an extrusion device and a cutting device, and further includes a pneumatic conveying device as described in any of the above technical solutions, wherein the pneumatic conveying device is sealed to the extrusion device, and the cutter of the cutting device is inserted into a first insertion hole.

[0034] In the aforementioned extrusion equipment, when adjustments to the cutting device are required, the first sealing unit of the pneumatic conveying device is adjusted first to release the sealing connection between the cutter's drive shaft and the lower shell module. The drive module drives the half-shell unit to rotate relative to the upper shell module, and the lower shell module switches from a closed state to an open state. At this time, there is sufficient space at the cutting device for manual adjustment of the cutter, and manual cleaning and maintenance of the pneumatic conveying device can also be performed simultaneously. After the adjustment is completed, the drive module drives the half-shell unit to rotate in the opposite direction relative to the upper shell module, and the lower shell module switches from an open state to a closed state. The first sealing unit is then adjusted to ensure a sealed connection between the cutter's drive shaft and the lower shell module. The half-shell unit, the upper shell module, and the extrusion device are sealed together to form an air inlet and outlet duct. The pneumatic conveying device can then pick up and convey feed pellets. At this time, because the first sealing unit seals the connection between the cutter's drive shaft and the lower shell module, a good seal is ensured at the connection between the cutting device and the pneumatic conveying device, preventing feed pellet leakage and accumulation, and ensuring the stable and reliable movement of the cutter. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the structure of an extrusion device provided in an embodiment of the present invention;

[0036] Figure 2 This is a front view of an extrusion device provided according to an embodiment of the present invention;

[0037] Figure 3 This is a right view of an extrusion device provided according to an embodiment of the present invention;

[0038] Figure 4 This is a schematic diagram of the module consisting of a pneumatic conveying device and a cutting device provided in an embodiment of the present invention in the open state.

[0039] Figure 5 for Figure 2 Cross-sectional view of the intermediate puffing equipment at position BB;

[0040] Figure 6 for Figure 3 Cross-sectional view of the extrusion equipment at the DD position when it is in the positive flow state;

[0041] Figure 7 This is a structural schematic diagram of the upper shell module provided in an embodiment of the present invention;

[0042] Figure 8 This is a schematic diagram of the structure at the half-shell unit provided in an embodiment of the present invention;

[0043] Figure 9 for Figure 4 Enlarged schematic diagram of the pneumatic conveying device at position E;

[0044] Figure 10 for Figure 6 Enlarged schematic diagram of the pneumatic conveying device at position G;

[0045] Figure 11 for Figure 1 Enlarged schematic diagram of the puffing equipment at position A;

[0046] Figure 12 for Figure 2 Cross-sectional view of the intermediate puffing equipment at position CC;

[0047] Figure 13 for Figure 8 Enlarged schematic diagram of the middle half-shell unit at position H;

[0048] Figure 14 for Figure 3 Cross-sectional view of the intermediate puffing equipment at the DD position when it is in bypass mode;

[0049] Figure 15 for Figure 5 Enlarged schematic diagram of the pneumatic conveying device at position F;

[0050] Figure 16 This is a schematic diagram of the structure of a material discharge module provided in an embodiment of the present invention;

[0051] Figure 17 This is a schematic diagram of the material discharge module provided in one embodiment of the present invention from another angle.

[0052] Figure label:

[0053] 01. Extrusion equipment;

[0054] 10. Pneumatic conveying device; I. Working area;

[0055] 100. Upper shell module; 110. Air duct plate; 120. Interface section; 121. Air inlet; 122. Air outlet; 130. Mounting plate; 140. Lifting section; 141. U-shaped channel; 142. Lifting bearing; 143. Lifting shaft;

[0056] 200. Lower shell module; 210. Half-shell unit; 211. Outer shell; 2111. Top opening; 2112. Bottom opening; 2113. Arc groove; 2114. Side opening; 2115. Mounting ear plate; 2116. Rotary shaft hole; 2117. Slot; 2118. Drive frame; 212. Plate assembly; 2121. Wind baffle; 2122. Partition plate; 213. Wind baffle assembly; 2131. Wind baffle rotating shaft; 2132. Driver; 2133. Mounting bracket; 2134. Wind baffle bearing; 220. First sealing unit; 221. First slide rail; 2211. Stepped groove; 222. First slider; 2221. First semi-circular groove; 2222. First through hole; 223. First fastener; 224. Locking position; 225. First nut; 230. First insertion hole;

[0057] 300. Drive module; 310. Support; 320. Drive shaft; 330. Drive bearing;

[0058] 400. Air intake duct;

[0059] 500. Air duct;

[0060] 600, Second sealing unit; 610, First sealing strip; 620, Second sealing strip; 630, Sealing pressure plate; 640, First clamping assembly; 641, First power source; 642, First limiting block; 650, Second limiting block; 660, Semi-clamping ring;

[0061] 700, Limiting module; 710, Second power source; 720, Limiting hole;

[0062] 800, guide module; 810, guide pin; 820, guide hole;

[0063] 900. Discharge module; 910. Frame; 920. Insert plate; 930. Cover plate; 940. Third sealing strip; 950. Third power source; 960. Obstacle detection component;

[0064] 20. Extrusion device;

[0065] 30. Cutting device; 31. Cutter; 32. Drive shaft; 33. First seal. Detailed Implementation

[0066] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0067] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention 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. Therefore, they should not be construed as limitations on this invention.

[0068] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0069] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0070] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0071] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0072] The technical solutions provided by the embodiments of the present invention are described below with reference to the accompanying drawings.

[0073] like Figure 1 , Figure 2 as well as Figure 3 As shown, the present invention provides an extrusion device 01 for producing extruded feed. The extrusion device 01 includes a pneumatic conveying device 10, an extrusion device 20, and a cutting device 30. The extrusion device 20 and the cutting device 30 are respectively mounted on the pneumatic conveying device 10 and are respectively connected to the pneumatic conveying device 10. The present invention improves the pneumatic conveying device 10, resulting in better sealing and easier adjustment and maintenance of the cutter 31 of the cutting device 30.

[0074] Please refer to the above. Figure 4 , Figure 5 as well as Figure 6The pneumatic conveying device 10 provided by the present invention includes an upper shell module 100, a lower shell module 200, and a drive module 300. The lower shell module 200 includes two half-shell units 210 and two first sealing units 220. The lower shell module 200 has an open state and a closed state relative to the upper shell module 100. Movable areas I, which switch between the open and closed states, are located on both sides below the lower shell module 200 to facilitate opening and closing. The drive module 300 provides the driving force for switching the lower shell module 200 between the open and closed states. One end of the drive module 300 is mounted on the upper shell module 100, and the other end is mounted on the half-shell unit 210. The two half-shell units 210 are arranged opposite each other and respectively suspended from the upper shell module 100. 210 is rotatable relative to the upper shell module 100; in the closed state, the half-shell unit 210 is sealed to the upper shell module 100 and the puffing device 20, forming an air inlet duct 400 and an air outlet duct 500 inside the pneumatic conveying device 10. The two half-shell units 210 cooperate to form a first insertion hole 230, which is used to accommodate the cutter 31 of the cutting device 30. The first sealing unit 220 is provided on the half-shell unit 210 and is located on both sides of the first insertion hole 230. The two first sealing units 220 are slidable relative to the half-shell unit 210. In the closed state, the two first sealing units 220 are close to each other and seal the drive shaft 32 of the cutter 31 and the lower shell module 200. When it is necessary to switch to the open state, the two first sealing units 220 are far apart to facilitate the opening of the lower shell module 200.

[0075] Please refer to the above. Figure 6 as well as Figure 7The upper shell module 100 can be assembled from sheet metal parts or made of other materials that meet the requirements. The upper shell module 100 is a shell structure with an internal air duct plate 110, which cooperates with the lower shell module 200 to form an air inlet duct 400 and an air outlet duct 500. The upper shell module 100 includes an interface section 120, a mounting plate 130, and a lifting section 140. The interface section 120 forms two air inlets 121 and an air outlet 122 located between the two air inlets 121. The air inlets 121 are connected to a positive pressure fan to deliver clean air into the pneumatic conveying device 10, and the air outlet 122 is connected to a negative pressure fan to pick up feed pellets and convey them to the next process. The conveying air path with air inlets on both sides and air outlets in the middle makes the airflow laminar and relatively uniform, preventing the accumulation and residue of feed pellets inside the pneumatic conveying device 10. The mounting plate 130 can be made of sheet metal with a large thickness, used to install and position the pneumatic conveying device 10 in the factory. U-shaped grooves 141 are provided on both sides of the hoisting section 140. Hoisting bearings 142 are provided on the two side walls of the U-shaped grooves 141. Hoisting shafts 143 are provided in the U-shaped grooves 141. The hoisting shafts 143 are connected to the hoisting bearings 142. The two half-shell units 210 are connected to the upper shell module 100 as a whole through the hoisting shafts 143, and the two half-shell units 210 can rotate around the hoisting shafts 143.

[0076] Please refer to the above. Figure 8 as well as Figure 9 The semi-shell unit 210 includes an outer shell 211, which is a shell structure with an upper opening 2111, a lower opening 2112, an arc-shaped groove 2113, and a side opening 2114. It can be assembled from sheet metal parts. The arc-shaped groove 2113 opens onto the side end face of the outer shell 211, and the arc-shaped grooves 2113 on the two semi-shell units 210 cooperate to form a first insertion hole 230. In a specific setting, the bottom side of the inner wall of the outer shell 211 adopts an arc transition to make the air intake smoother. The upper end of the outer shell 211 has a mounting ear plate 2115, which has a pivot hole 2116. The mounting ear plate 2115 is inserted into the U-shaped groove 141. The lifting pivot 143 passes through the pivot hole 2116 and is connected to the lifting bearing 142 to realize the rotational engagement of the outer shell 211 and the upper shell module 100. The housing 211 is provided with a drive frame 2118 for use with the drive module 300.

[0077] Please refer to the above. Figure 4 , Figure 6 as well as Figure 8The drive module 300 can be a cylinder. The cylinder body is hinged to the mounting plate 130 via a support 310, and the piston rod is connected to the drive frame 2118 via a drive shaft 320. The lifting and lowering of the half-shell unit 210 is achieved through the extension and retraction of the cylinder. The introduction of the cylinder will not adversely affect the environment and is beneficial to maintaining environmental hygiene. In specific configurations, one cylinder corresponds to one half-shell unit 210. Of course, the structure of the drive module 300 is not limited to this; it can also employ electric or hydraulic components.

[0078] Please refer to the above. Figure 6 , Figure 7 , Figure 8 as well as Figure 10 To facilitate sealing of the pneumatic conveying device 10, in a preferred embodiment, the pneumatic conveying device 10 further includes a second sealing unit 600. Flange surfaces are formed on the side and top ends of the outer casing 211 and the lower end of the lifting section 140. The second sealing unit 600 includes a first sealing strip 610 and a second sealing strip 620. The first sealing strip 610 is disposed on the side end face of the outer casing 211, and the second sealing strip 620 is disposed on the top end face of the outer casing 211 or the lower end face of the lifting section 140. Specifically, the first sealing strip 610 and the second sealing strip 620 can be made of foamed silicone material. The first sealing strip 610 and the second sealing strip 620 can be installed on the flange surface using sealant to achieve sealing between the half-shell units 210 and between the half-shell units 210 and the upper shell module 100. To improve sealing reliability, the first sealing strip 610 and the second sealing strip 620 can be fixed to the flange surface using a sealing pressure plate 630. Of course, the first sealing strip 610 and the second sealing strip 620 can be an integral structure, which is set on a flange surface as a whole. Alternatively, the first sealing strip 610 and the second sealing strip 620 can be separate structures, which cooperate with each other to seal as a whole when closed.

[0079] Please refer to the above. Figure 2 , Figure 4 , Figure 7 as well as Figure 8To improve the sealing effect of the second sealing strip 620, specifically, the second sealing unit 600 also includes four first clamping assemblies 640. Each first clamping assembly 640 includes a first power source 641 and a first limiting block 642. The output end of the first power source 641 is used to output rotational motion, and the first limiting block 642 is installed at the output end of the first power source 641. In the two first clamping assemblies 640, the fixed end of the first power source 641 is installed at the lower end of the hoisting section 140, and the two first power sources 641 are arranged left and right along the long side of the hoisting section 140. When the first limiting block 642 is in the closed state, the half shell unit 210 and the upper shell module 100 cooperate and are sealed together. At this time, the first power source 641 controls the first limiting block 642 to rotate. The first limiting block 642 extends into the upper end of the outer shell 211 on the side away from the hoisting section 140 and compresses the second sealing strip 620, so as to clamp the half shell unit 210 and the upper shell module 100, improve the sealing effect between the half shell unit 210 and the upper shell module 100, and prevent the lower shell module 200 from being opened accidentally. When it is necessary to open, the first power source 641 drives the first limiting block 642 to rotate to loosen and avoid the half shell unit 210 and the upper shell module 100.

[0080] Continue to refer to Figure 8 In the other two first clamping assemblies 640, the fixed ends of the first power source 641 are installed on both sides of the outer shell 211, and the two first power sources 641 are arranged left and right along the short side of the side end face of the outer shell 211. When the first limiting block 642 is in the closed state, the two half-shell units 210 cooperate and are sealed together. At this time, the first limiting block 642 is controlled to rotate by the first power source 641. The first limiting block 642 extends into the side of the other outer shell 211 away from the side end face and compresses the first sealing strip 610 so as to clamp the two half-shell units 210, improve the sealing effect between the two half-shell units 210, and prevent the lower shell module 200 from being opened accidentally. When it is necessary to open, the first power source 641 drives the first limiting block 642 to rotate to release and avoid the two half-shell units 210. In a specific configuration, the first power source 641 can be a rotary clamping cylinder, with the cylinder body fixed to the upper shell module 100 or the outer shell 211. The piston rod drives the first limiting block 642 to rotate at a certain angle. Of course, the structure of the first power source 641 is not limited to this, and it can also be other forms that meet the requirements.

[0081] Continue to refer to Figure 8To prevent the first sealing strip 610 from being over-compressed, the second sealing unit 600 further includes four second limiting blocks 650. Two of the second limiting blocks 650 are located at the upper end of a shell 211 along the thickness direction of the upper shell module 100, and these two second limiting blocks 650 are positioned close to the first sealing strip 610. When the half-shell unit 210 rotates until the second limiting block 650 on it contacts the second limiting block 650 on the other half-shell unit 210, the rotation of the two half-shell units 210 stops. At this time, the compression of the first sealing strip 610 on both sides of the half-shell unit 210 is the same to ensure the same sealing effect. At the same time, by limiting the position of the second limiting blocks 650, the over-compression of the first sealing strip 610 can also be prevented.

[0082] Continue to refer to Figure 8 To facilitate the sealing of the pneumatic conveying device 10 and the puffing device 20, the second sealing unit 600 specifically includes two half-clamping rings 660. The half-clamping rings 660 correspond one-to-one with the half-shell unit 210. The half-clamping rings 660 are engaged in the grooves 2117 on the side wall of the outer shell 211. When the lower shell module 200 is in the closed state, the two half-clamping rings 660 form a complete clamping ring, which is sealed and connected to the clamping ring on the puffing device 20 through a clamp. The operation is simple and easy to implement.

[0083] The first sealing unit 220 has various structural forms, and to facilitate sealing connections, such as... Figure 1 , Figure 11 as well as Figure 12 As shown, in a preferred embodiment, the first sealing unit 220 includes a first slide rail 221, a first slider 222, and a first fastener 223, wherein:

[0084] The first slide rail 221 is installed on the outer wall of the housing 211 near its side end face by means of snap-fit ​​connection, threaded connection, concave-convex fit, welding, bonding, etc. The first slide rail 221 is provided with a locking position 224, which is used to lock the first fastener 223. In a specific setting, the first slide rail 221 can also be integrally formed with the housing 211 by opening a groove on the outer wall of the housing 211 to form the first slide rail 221.

[0085] The first slider 222 is connected to the first slide rail 221 and can slide on the first slide rail 221. To facilitate the sliding connection between the first slide rail 221 and the first slider 222, a dovetail groove is formed on the outer side of the first slide rail 221, and a corresponding dovetail groove with a closed end is formed at one end of the first slider 222. The two dovetail grooves are closed to each other so that the first slider 222 can slide on the first slide rail 221 and will not fall off the first slide rail 221. The other end of the first slider 222 has a first semi-circular groove 2221 for accommodating the first sealing member 33, so as to seal the first sealing member 33. The middle area of ​​the first slider 222 is provided with a first through hole 2222, through which the first fastener 223 passes.

[0086] The first fastener 223 passes through the first slider 222 and engages with the locking position 224. The first fastener 223 has a locked and unlocked state relative to the locking position 224. In the locked state, the first fastener 223 is fastened to the locking position 224. At this time, the first fastener 223 fastens the first slider 222 and the first slide rail 221 together. The first slider 222 cannot slide on the first slide rail 221. In the unlocked state, the first fastener 223 and the locking position 224 are released from their fastening effect. At this time, the first fastener 223 is loosened from the locking position 224 but not separated so as to facilitate subsequent locking. The first slider 222 can slide on the first slide rail 221.

[0087] A first seal 33 is fitted onto the drive shaft 32, and a first slider 222 is positioned opposite to the first seal 33. When locked, the first seal 33 is enveloped by the two first sliders 222 to seal the drive shaft 32 and the lower housing module 200. In specific configurations, the first seal 33 can be a non-metallic structural component such as a sealing ring or sealing ring, or other forms that meet the requirements. In the specific operation process, when the lower shell module 200 needs to be opened, the fastening between the first fastener 223 and the locking position 224 is first released and the fastener is moved out of the locking position 224. The first fastener 223 drives the first slider 222 to slide on the first slide rail 221 in a direction away from the drive shaft 32. The deformation of the first seal 33 compressed by the first slider 222 is restored, so that the sealing connection between the drive shaft 32 and the lower shell module 200 is released. Then the lower shell module 200 is opened. After the lower shell module 200 is closed, the first fastener 223 drives the first slider 222 to slide on the first slide rail 221 in a direction close to the drive shaft 32, so that the first seal 33 can be wrapped by the two first semi-circular grooves 2221, thereby sealing the connection between the drive shaft 32 and the lower shell module 200.

[0088] Continue to refer to Figure 12To facilitate the setting of the locking position 224, specifically, the first sealing unit 220 also includes a first nut 225. A stepped groove 2211 is formed in the middle region of the first slide rail 221, with the larger end of the stepped groove 2211 facing the half-shell unit 210. The first nut 225 is located within the larger end of the stepped groove 2211. At this time, the first nut 225 is fastened between the first slide rail 221 and the outer shell 211 by the first slide rail 221, forming a locking position 224 within the stepped groove 2211. In specific settings, the structure of the locking position 224 is not limited to this; it can also be other forms that meet the requirements. For example, the locking position 224 can be a threaded hole opened on the first slide rail 221; and the first fastener 223 can be a screw, a clamping handle, or other structural forms that meet the requirements.

[0089] The semi-shell unit 210 has various structural forms, such as Figure 6 , Figure 8 , Figure 13 as well as Figure 14 As shown, in a preferred embodiment, the semi-shell unit 210 further includes a plate assembly 212 and a windbreak assembly 213, wherein:

[0090] The plate assembly 212 includes a baffle plate 2121 and a partition plate 2122. The partition plate 2122 is fixed inside the outer shell 211 by means of integral molding, snap-fit ​​connection, concave-convex fit, welding, etc. The baffle plate 2121 is disposed inside the outer shell 211 and can rotate relative to the outer shell 211. The baffle plate 2121 has a bypass state and a forward state. In the bypass state, the orthographic projection of the baffle plate 2121 on the upper opening 2111 covers the upper opening 2111. At this time, one side of the baffle plate 2121 is in contact with the side wall of the air inlet duct 400, and the other sides of the two baffle plates 2121 are in contact with each other. Through the cooperation of the two baffle plates 2121, the airflow can be prevented from entering the bottom of the air inlet duct 400 and directly enters the exhaust duct. The airflow will not pass through the outlet of the extrusion device 20, and the feed pellets cannot be picked up by the pneumatic conveying device 10, but are directly discharged. In the positive state, the baffle plate 2121 covers the partition plate 2122 and the air duct plate 110 of the upper shell module 100. At this time, the baffle plate 2121 is attached to or flush with the air duct plate 110 and the partition plate 2122 to separate the air inlet duct 400 and the air outlet duct 500. The airflow passes through the outlet of the extrusion device 20, and the feed pellets are picked up by the pneumatic conveying device 10 and conveyed to the next process.

[0091] The wind deflector assembly 213 is disposed on the housing 211 and is connected to the wind deflector 2121. The wind deflector assembly 213 is used to provide the driving force for the wind deflector 2121 to switch between the bypass state and the forward state. In a specific configuration, the wind deflector assembly 213 includes a wind deflector shaft 2131, a driver 2132, a mounting bracket 2133, and a wind deflector bearing 2134. The wind deflector shaft 2131 passes through both sides of the housing 211 and is mounted on the housing 211 via the wind deflector bearing 2134. The mounting bracket 2133 is fixed to the outer wall of the housing 211 and has the driver 2132 mounted on it. The output end of the driver 2132 is connected to the wind deflector shaft 2131. The wind deflector plate 2121 is mounted on the wind deflector shaft 2131 and is driven by the driver 2132 to swing at a certain angle. Of course, the structure of the wind deflector assembly 213 is not limited to this and can be in other forms that meet the requirements. For example, the wind deflector assembly 213 can be a motor + L-shaped shaft. The motor is mounted on the outer wall of the housing 211, one end of the L-shaped shaft is connected to the output end of the motor, and the other end passes into the housing 211 and is connected to the wind deflector plate 2121.

[0092] To prevent the half-shell unit 210 from accidentally falling off, specifically, as follows: Figure 7 , Figure 8 as well as Figure 9 As shown, the pneumatic conveying device 10 also includes two limiting modules 700, each corresponding to a half-shell unit 210. Each limiting module 700 includes a second power source 710 and a limiting hole 720. The limiting hole 720 is located on the mounting ear plate 2115. The fixed end of the second power source 710 is located on the upper shell module 100. The output end of the second power source 710 can pass through the limiting hole 720 and can reciprocate along the axis of the limiting hole 720. In a specific configuration, the second power source 710 can be a single-acting cylinder. When the single-acting cylinder is not vented, the piston rod remains extended. When vented, the piston rod can be retracted. When the half-shell unit 210 needs to be lifted, the piston rod retracts from the limiting hole 720, allowing the half-shell unit 210 to rotate. After being lifted to the correct position, the piston rod automatically extends into the limiting hole 720 to prevent the half-shell unit 210 from accidentally falling. When the lower shell module 200 needs to be closed, the piston rod retracts from the limiting hole 720, and the half-shell unit 210 can rotate. After the half-shell unit 210 falls, the cylinder is de-aired, and the piston rod automatically returns to the extended state to prevent the half-shell unit 210 from opening accidentally. Of course, the structure of the second power source 710 is not limited to this; it can also be in other forms that meet the requirements. For example, the second power source 710 can be a pneumatic spring, or it can be a screw, and the limiting hole 720 can be a threaded hole.

[0093] To facilitate the cooperation of the two half-shell units 210, specifically, as follows: Figure 8 as well as Figure 15 As shown, the pneumatic conveying device 10 also includes a guide module 800, which includes a guide pin 810 and a guide hole 820. The guide hole 820 cooperates with the guide pin 810. The guide pin 810 is located on the side end face of one half-shell unit 210, and the guide hole 820 opens on the side end face of the other half-shell unit 210. During the closing process of the lower shell module 200, the guide pin 810 is inserted into the guide hole 820, so that the two half-shell units 210 can be combined together more easily and smoothly, ensuring the positional accuracy of the lower shell module 200 in the closed state and the reliability of the sealing connection. In specific settings, the number of guide modules 800 can be one, two, or more. The guide hole 820 can be a wedge-shaped hole or a wedge-shaped groove, and the guide pin 810 is a wedge-shaped structure that cooperates with it to facilitate the guiding cooperation between the two.

[0094] To facilitate material discharge from the pneumatic conveying device 10, in a preferred embodiment, such as... Figure 8 , Figure 16 as well as Figure 17 As shown, the pneumatic conveying device 10 also includes a discharge module 900, which includes a frame 910, an insert plate 920, a cover plate 930, a third sealing strip 940, and a third power source 950. The frame 910 is installed at the lower end of the housing 211 via snap-fit ​​connections, threaded connections, interlocking fits, welding, or bonding. The cover plate 930 is installed on the frame 910 via snap-fit ​​connections, threaded connections, or interlocking fits, with the lower opening 2112 exposed after the cover plate 930 is in place to facilitate the discharge of feed pellets, prevent the insert plate 920 from moving and causing injury, and improve safety. The third sealing strip 940 is located on the side of the frame 910 near the housing 211. In specific installations, the third sealing strip 940 can be made of foamed silicone and fixed to the frame 910 with sealant. The fixed end of the third power source 950 is connected via snap-fit ​​connections. The frame 910 is fixed by means of threaded connection, concave-convex fit, etc. The output end of the third power source 950 is connected to the insert plate 920 to provide driving force for the movement of the insert plate 920. In specific settings, the number of third power sources 950 can be one or two. The third power source 950 can be a cylinder, a hydraulic cylinder, or other structural forms that meet the requirements. The insert plate 920 has a discharge state and a closed state. In the discharge state, the third power source 950 drives the insert plate 920 to move to the cover plate 930, and at this time the insert plate 920 moves to expose the lower opening 2112 for discharge. In the closed state, the third power source 950 drives the insert plate 920 to move to block the lower opening 2112, and at this time the insert plate 920 presses against the third sealing strip 940 to seal and close the lower opening 2112 to prevent feed pellet leakage.

[0095] To improve the safety of the pneumatic conveying device 10, specifically, such as Figure 8 as well as Figure 14 As shown, the discharge module 900 also includes an obstacle detection component 960. The obstacle detection component 960 is fixed to the side of the frame 910 away from the side opening 2114 via snap-fit ​​connections, threaded connections, or interlocking fits. The obstacle detection component 960 is connected to the drive module 300 via a cable. When there are no obstacles or operators near the pneumatic conveying device 10, the obstacle detection component 960 does not detect any obstacles, and the drive module 300 can be opened, allowing the lower shell module 200 to open. When there are obstacles or operators near the pneumatic conveying device 10, the obstacle detection component 960 detects an obstacle, preventing the drive module 300 from opening and thus preventing the lower shell module 200 from opening. In specific configurations, the obstacle detection component 960 can be a sensor or other structural forms that meet the requirements.

[0096] To improve the level of automation and enable the pneumatic conveying device 10 to switch between open and closed states, the pneumatic conveying device 10 also includes a control module, which is a PLC or a control panel. The control module is communicatively connected to the drive module 300, the driver 2132 of the windbreak assembly 213, the first power source 641, the second power source 710, the third power source 950, and the obstacle detection device 960, respectively. The control module can also be communicatively connected to the puffing device 20 and the cutting device 30, respectively. Of course, the control module can also be integrated with the control programs of the puffing device 20 and the cutting device 30.

[0097] In the aforementioned puffing equipment 01, when the cutting device 30 needs adjustment, the first sealing unit 220 of the pneumatic conveying device 10 is first adjusted to release the sealing connection between the drive shaft 32 of the cutter 31 and the lower shell module 200. The drive module 300 drives the half-shell unit 210 to rotate relative to the upper shell module 100, and the lower shell module 200 switches from a closed state to an open state. At this time, there is sufficient space at the cutting device 30 for manual adjustment of the cutter 31, and manual cleaning and maintenance of the pneumatic conveying device 10 can also be performed simultaneously. After the adjustment is completed, the drive module 300 drives the half-shell unit 210 to rotate relative to the upper shell module 100. Reverse rotation switches the lower shell module 200 from the open state to the closed state, and adjusts the first sealing unit 220 so that the drive shaft 32 of the cutter 31 and the lower shell module 200 are sealed together. The half shell unit 210 is sealed together with the upper shell module 100 and the puffing device 20 to form the air inlet duct 400 and the air outlet duct 500. The pneumatic conveying device 10 can pick up and convey feed pellets. At this time, because the first sealing unit 220 seals the drive shaft 32 of the cutter 31 and the lower shell module 200, it ensures that the connection between the cutting device 30 and the pneumatic conveying device 10 is well sealed, avoiding feed pellet leakage and accumulation, and ensuring the stable and reliable movement of the cutter 31.

[0098] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0099] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A pneumatic conveying device connected to an inflating device and a cutting device, characterized in that The utility model relates to a cutting device, comprising: An upper shell module; A lower shell module having an open state and a closed state, comprising two half shell units and two first sealing units, the two half shell units are rotatably hung on the upper shell module, in the closed state, the two half shell units form a first insertion hole for accommodating the cutter penetration of the cutting device, and are sealedly connected with the upper shell module, the puffing device, an air inlet channel and an air outlet channel, the two first sealing units are arranged on the half shell units and are slidably arranged on both sides of the first insertion hole respectively, and in the closed state, the two first sealing units are sealedly connected with the driving shaft of the cutter and the lower shell module; A driving module, one end of which is installed on the upper shell module, and the other end of which is installed on the half shell unit, for providing driving force for switching the lower shell module between the open state and the closed state; The half shell unit comprises: An outer shell having an upper opening, a lower opening, an arc-shaped slot and a side opening, an installation lug is formed at the upper end of the outer shell, a rotating shaft hole is formed in the installation lug, the rotating shaft hole is matched with a hanging rotating shaft on the upper shell module, the arc-shaped slot is opened on the side end face of the outer shell, and the two arc-shaped slots cooperatively form the first insertion hole; A plate body assembly comprising a wind deflector and a partition plate, the partition plate is fixed in the outer shell, the wind deflector is rotatably arranged in the outer shell and has a bypass state and a direct passing state, in the bypass state, the wind deflector covers the upper opening in the orthographic projection on the upper opening, in the direct passing state, the wind deflector covers the partition plate and the air duct plate of the upper shell module; A wind deflector assembly arranged on the outer shell and connected with the wind deflector, for providing driving force for switching the wind deflector between the bypass state and the direct passing state.

2. A pneumatic conveying device according to claim 1, characterized in that The first sealing unit comprises a first sliding rail, a first sliding block and a first fastener, wherein: The first sliding rail is arranged on the outer wall of the half shell unit close to the side end face thereof, and is slidably connected with the first sliding block, a locking position is formed in the first sliding rail; The first fastener penetrates the first sliding block and cooperates with the locking position to have a locking state and an unlocking state; The first sliding block is oppositely arranged with a first sealing element sleeved on the driving shaft, and in the locking state, the first sliding block wraps the first sealing element to seal the driving shaft and the lower shell module.

3. A pneumatic conveying device according to claim 2, characterized in that The first sealing unit further comprises a first nut, a stepped groove is formed in the middle region of the first sliding rail, the first nut is arranged in the large end of the stepped groove to form the locking position.

4. The pneumatic conveying apparatus of claim 2, wherein, The outer side of the first sliding rail and one end of the first sliding block respectively form a dovetail groove in closed cooperation, the other end of the first sliding block is formed with a first semicircular groove for accommodating the first sealing element, and the middle region is provided with a first through hole for the first fastener to pass through.

5. The pneumatic conveying device of claim 1, wherein, The second sealing unit further comprises four first clamping assemblies, each of which comprises a first power source and a first limiting block mounted on the output end of the first power source, the output end of the first power source being used to output rotary motion, the fixed end of the first power source of two first clamping assemblies being mounted on the lower end of the upper shell module, and the first limiting block extending into the side of the upper end of the half shell unit away from the upper shell module and compressing the second sealing strip in the closed state; the fixed end of the first power source of the other two first clamping assemblies being mounted on the two sides of one of the half shell units, and the first limiting block extending into the side of the other half shell unit away from the side end face thereof and compressing the first sealing strip in the closed state.

6. A pneumatic conveying device according to claim 5, characterized in that The second sealing unit further comprises four second limiting blocks, two of which are arranged on the upper end of one of the half shell units along the thickness direction of the upper shell module and close to the first sealing strip.

7. The pneumatic conveying apparatus of claim 5, wherein, The second sealing unit further comprises two half clamps, which are clamped in the clamping grooves of the side walls of the half shell units and are sealingly connected to the bulging device through the clamps.

8. The pneumatic conveying device of claim 5, wherein, The second sealing unit further comprises two limiting modules corresponding to the half shell units, each of which comprises a second power source and a limiting hole, the limiting hole being arranged on the mounting lug plate, the fixed end of the second power source being arranged on the upper shell module, and the output end being capable of penetrating the limiting hole and reciprocating along the axis of the limiting hole.

9. The pneumatic conveying apparatus of claim 1, wherein, The second sealing unit further comprises a guide module, which comprises a guide pin and a guide hole matched with the guide pin, the guide pin being arranged on the side end face of one of the half shell units, and the guide hole being arranged on the side end face of the other half shell unit.

10. The pneumatic conveying device of claim 1, wherein, The second sealing unit further comprises a discharging module, which comprises a frame, an insertion plate, a cover plate, a third sealing strip, and a third power source, wherein:

11. The pneumatic conveying device of claim 1, wherein, The frame is mounted on the lower end of the shell; The cover plate is arranged on the frame and exposes the lower opening; The third sealing strip is arranged on the side of the frame close to the shell; The fixed end of the third power source is arranged on the frame, and the output end is connected to the insertion plate; The insertion plate has a discharging state and a closed state, in the discharging state, the insertion plate moves to cover the cover plate and expose the lower opening, and in the closed state, the insertion plate is pressed on the third sealing strip and blocks the lower opening. The discharging module further comprises an obstacle detection member arranged on the side of the frame away from the side opening and in communication with the driving module, and the driving module can be opened when the obstacle detection member does not detect an obstacle.

12. A pneumatic conveying device according to claim 11, characterized in that ​ 13. A bulking apparatus comprising a bulking device and a cutting device, characterized in that, Also included is a pneumatic conveying device as claimed in any of claims 1-12, which is sealingly connected to the bulking device, the cutting device having a cutting knife penetrating the first insertion hole.

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