Prepared meal processing meat product handling apparatus

Abstract

The application relates to the technical field of food processing machinery, and discloses a meat product processing device for pre-prepared dish processing, which comprises a central stand, a dividing disc is rotatably arranged at the top end of the central stand, and four rolling station seats are fixedly arranged on the dividing disc in the circumferential direction; the rolling station seat comprises a station seat bottom plate fixedly arranged on the upper surface of the dividing disc, a turnover bracket hingedly arranged on the station seat bottom plate, and a turnover driving assembly for driving the turnover bracket to turn over; a V-shaped supporting block is fixedly arranged in the turnover bracket; a sealed cavity is arranged at the bottom of the V-shaped supporting block; and a negative pressure assembly is connected to the sealed cavity; an elastic clamping piece is fixedly arranged at the outer edge of the side wall of the V-shaped supporting block; the elastic clamping piece has an arc-shaped clamping opening; a rolling mechanism is arranged for rolling the thin meat slices and the rod-shaped inner stuffing in the rolling station; a sealing mechanism is arranged for hot-press sealing of the meat roll; and a discharging mechanism is arranged for pushing the meat roll out of the V-shaped notch, so that the clamping and fixing of the sealing process are realized.

Description

Technical Field

[0001] This invention relates to the field of food processing machinery technology, and more specifically, to a meat processing device for pre-prepared vegetable processing. Background Technology

[0002] In the pre-cooked food processing production line, rolled products with ultra-thin sliced ​​meat with sauce (thickness not exceeding 1mm, with a pre-coated teriyaki sauce, kabayaki sauce, or other sauce coating) as the outer skin need to be rolled on a stick-shaped filling to form a tight rolled structure, and the end of the roll is sealed by heat pressing.

[0003] One type of device uses a porous, breathable V-shaped support block combined with negative pressure adsorption to attach ultra-thin meat slices to the trough surface. At the end of the rolling process, the negative pressure is cut off to peel the tail end of the meat slice, completing the roll. However, its sealing head presses down from above, and when the rolling direction causes the tail end to fall on the lower half of the roll, the sealing head cannot reach the actual sealing position. Another type of device has a flipping bracket on the rolling station seat. After rolling, the meat roll is flipped 180 degrees so that the tail end is flipped upwards for the sealing head to reach directly. However, the V-shaped support block of this device is made of ordinary stainless steel. When the ultra-thin sauce-coated meat slices are laid out, they wrinkle and adhere to the trough wall due to their extremely low rigidity. Furthermore, the lubricating effect of the sauce makes the friction of the roller surface insufficient to peel the tail end of the meat slice.

[0004] Neither of the two types of devices can simultaneously solve the series of technical problems such as wrinkles when laying ultra-thin sauce meat slices, inability to peel off the tail end, and inability of the sealing and pressing head to reach the actual sealing position. Summary of the Invention

[0005] The meat processing device for pre-prepared vegetable processing provided by this invention solves the technical problems of forming and sealing ultra-thin sauce-coated meat slices in related technologies.

[0006] This invention discloses a meat processing device for pre-prepared vegetable processing, comprising: The base has a vertical central column fixedly installed on it. A horizontally arranged indexing turntable is rotatably installed on the top of the central column. Multiple rolling station seats are fixedly installed at equal intervals along the circumference on the upper surface of the indexing turntable, corresponding to the feeding station, rolling station, sealing station and unloading station respectively. Each rolling station includes a station base plate fixedly installed on the upper surface of the indexing turntable, a flip bracket hinged to the station base plate via a flip hinge shaft, and a flip drive assembly for driving the flip bracket to flip around the flip hinge shaft. A V-shaped support block made of porous breathable material is fixedly installed inside the flip bracket. The bottom of the V-shaped support block is provided with a sealed chamber, which is connected to a negative pressure assembly for adsorbing the thin meat slices on the V-shaped support block through the sealed chamber. An elastic clip is fixedly installed on the outer edge of one side wall of the V-shaped support block. The free end of the elastic clip is bent inward toward the V-shaped groove to form an arc-shaped clamp. A rolling mechanism is used to roll thin slices of meat and stick-shaped fillings at the rolling station; Sealing mechanism, used to heat-seal the rolled meat rolls; The unloading mechanism is used to push the heat-sealed meat rolls out of the V-shaped groove of the V-shaped support block.

[0007] Furthermore, the negative pressure assembly includes a central air passage, a vacuum pump, a rotary sealing joint, and radial air passages. The central air passage is axially formed inside the central column, and its lower end is connected to the vacuum pump. A rotary sealing joint is installed at the top of the central column. Radial air passages are formed inside the indexing turntable and are connected to the central air passages through the rotary sealing joints. A normally closed electromagnetic valve is installed on each radial air passage, and the sealed chamber is connected to the central air passage through the radial air passages.

[0008] Furthermore, the flipping drive assembly includes a flipping cylinder seat fixedly mounted on the base plate of the workstation and a flipping cylinder hingedly mounted on the flipping cylinder seat. A spherical bearing is installed at the end of the piston rod of the flipping cylinder. The spherical bearing is hingedly connected to a drive trunnion fixedly mounted on the outer side of the flipping bracket side arm. When the piston rod of the flipping cylinder extends, it drives the flipping bracket to flip 180 degrees around the flipping hinge axis. When the piston rod retracts, the flipping bracket returns to the initial position where the V-shaped groove of the V-shaped block faces upward.

[0009] Furthermore, two limiting blocks are fixedly installed on the base plate of the workstation seat. The two limiting blocks correspond to the initial position and the flipping position of the flipping bracket, respectively, and are used to limit the position of the side arm of the flipping bracket at the corresponding position.

[0010] Furthermore, in the free state, the distance between the inner edge of the arc-shaped clamp of the elastic clip and the side wall of the V-shaped support block is less than the diameter of the finished meat roll, the coverage length of the elastic clip along the axial direction of the V-shaped support block is less than the full axial length of the V-shaped groove, and the outlet end of the V-shaped support block in the axial direction has an open area not covered by the elastic clip.

[0011] Furthermore, multiple peripheral columns are fixedly installed on the outer periphery of the base. These peripheral columns are evenly distributed along the circumference and correspond to the feeding station, rolling station, sealing station, and unloading station, respectively. The winding mechanism includes a winding swing frame, a swing cylinder, winding rollers, winding roller gears, and a winding motor. An installation arm is fixedly installed on the outer peripheral column at the winding station. The winding swing frame is hinged to the end of the installation arm. A swing cylinder is fixedly installed on the installation arm. The piston rod end of the swing cylinder is hinged to the tail end of the winding swing frame. Two parallel winding rollers are installed at the front end of the winding swing frame in a horizontal direction. A winding roller gear is fixedly installed at the same end of each of the two winding rollers. The two winding roller gears mesh with each other. The other end of one of the winding rollers is connected to the winding motor fixedly installed on the winding swing frame through a flexible coupling.

[0012] Furthermore, the sealing mechanism includes a bracket, a guide rail, a sealing cylinder, a sealing slide, and a pressing head. A bracket is fixedly installed on the outer peripheral column at the sealing station. A guide rail is vertically fixedly installed on the bracket. A sealing cylinder is fixedly installed on the top of the bracket. The piston rod of the sealing cylinder extends downward in the vertical direction and is fixedly connected to the sealing slide. The sealing slide is slidably installed on the guide rail. A pressing head is fixedly installed on the bottom surface of the sealing slide. The bottom surface of the pressing head is an arc-shaped concave surface, and an electric heating element is embedded inside the pressing head.

[0013] Furthermore, the unloading mechanism includes an unloading ejection cylinder and a push rod. The unloading ejection cylinder is fixedly installed on the outer peripheral column at the unloading station. The cylinder body of the unloading ejection cylinder is fixed horizontally. The piston rod is arranged axially along the V-shaped support block. A push rod is fixedly installed at the end of the piston rod. A finished product collection trough is fixedly provided on the base. The finished product collection trough is located below the axial outlet end of the V-shaped support block.

[0014] Furthermore, the rotary sealing joint includes a stationary ring fixedly installed on the top end face of the central column and a rotating ring fixedly installed at the center hole of the bottom surface of the indexing turntable. A sealing ring is provided between the mating end faces of the stationary ring and the rotating ring. An air inlet communicating with the central air passage is opened on the stationary ring, and an air outlet communicating with the internal radial air passage of the indexing turntable is opened on the rotating ring. A slip ring assembly is installed at the center of the bottom surface of the indexing turntable. The rotating end of the slip ring assembly is fixedly installed on the bottom surface of the indexing turntable, and the stationary end is fixedly installed on the top end face of the central column. The signal lines of four normally closed solenoid valves are led out to the electrical control cabinet through the slip ring assembly. A rotary air path distributor is installed at the center hole of the bottom surface of the indexing turntable. The rotating disk of the rotary air path distributor is fixedly installed on the bottom surface of the indexing turntable, and the stationary disk is fixedly installed on the top surface of the central column. Multiple annular sealing rings are provided between the mating end faces of the rotating disk and the stationary disk, each corresponding to an independent air passage. The rotary sealing joint, the rotary air path distributor, and the slip ring assembly share the top surface of the central column as the installation reference surface.

[0015] Furthermore, an indexing motor is installed on the side of the central column. The output shaft of the indexing motor is connected to the bottom surface of the indexing turntable through a reduction mechanism. The worm gear in the reduction mechanism is connected to the output shaft of the indexing motor, and the worm wheel in the reduction mechanism is fixed to the bottom surface of the indexing turntable and meshes with the worm gear, which is used to drive the indexing turntable to perform intermittent rotation around the central column.

[0016] This invention, through a porous, breathable V-shaped support block combined with an independently controllable negative pressure air path, smoothly adsorbs ultra-thin sauce-filled meat slices onto the V-shaped groove surface during the initial feeding and rolling stages. This solves the technical problem of edge wrinkling caused by the extremely low rigidity of ultra-thin meat slices during laying, achieving the technical effect of preventing wrinkled areas from being trapped into the roll body, forming layers and cavities. By closing the corresponding electromagnetic air valve at the end of the rolling process to cut off the negative pressure, it solves the technical problem of the meat slice tail end being unable to peel off from the groove surface due to the adsorption force exceeding the roller surface friction, achieving the technical effect of the meat slice tail end successfully completing the winding and closing. Elastic clamping pieces... The meat roll is radially clamped at the end edge to prevent it from loosening at the seal, facilitating heat sealing by the pressing head and ensuring the tightness of the roll. The flipping drive assembly drives the flipping bracket to flip 180 degrees, and with the pre-support of the elastic clips at both ends, the meat roll is fully flipped to the discharge port. Then, the push rod pushes the meat roll horizontally out. The elastic clips continuously apply elastic clamping force to the meat roll throughout the entire process from rolling to sealing. Combined with the gravity direction limitation of the V-shaped support block inverted groove wall after flipping, the technical effect of preventing the roll from loosening during flipping and sealing is achieved. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the meat product processing device of the present invention; Figure 2 This is a longitudinal sectional view of the meat processing apparatus of the present invention along the axis of the central column; Figure 3 This is a longitudinal sectional view of the rolling mechanism and V-shaped support block of the meat product processing apparatus of the present invention; Figure 4 This is a longitudinal sectional view of the sealing mechanism and V-shaped support block of the meat product processing device of the present invention; Figure 5 This is a longitudinal structural diagram of the V-shaped support block and the flipping mechanism of the meat product processing device of the present invention; Figure 6 This is a schematic diagram of the longitudinal structure of the V-shaped support block and the feeding mechanism of the meat product processing device of the present invention in a flipped state; Figure 7 This is a radial cross-sectional view of the V-shaped support block, elastic clamp, and flipping bracket of the meat processing device of the present invention.

[0018] In the diagram: 1. Base; 2. Central column; 3. Indexing turntable; 4. Workstation base plate; 5. Tilting bracket; 6. V-shaped support block; 7. Elastic clamp; 8. Tilting cylinder; 9. Spherical bearing; 11. Limiting block; 12. Vertical ear plate; 13. Tilting hinge shaft; 14. Sealed chamber; 15. Outer peripheral column; 16. Mounting arm; 17. Rolling swing frame; 18. Rolling roller; 19. Rolling roller gear; 20. Rolling motor; 21. Swing cylinder; 22. Support; 23. 24. Sealing cylinder; 25. Guide rail; 26. Sealing slide; 27. Pressing head; 28. Unloading and ejecting cylinder; 29. ​​Push rod; 30. Finished product collection trough; 31. Central air passage; 32. Rotary sealing joint; 33. Radial air passage; 34. Normally closed solenoid valve; 35. Slip ring assembly; 36. Rotary air path distributor; 37. Reduction mechanism; 38. Indexing motor; 39. Vacuum pump; 40. Electrical control cabinet; 41. Cable chain; 42. Flexible coupling; 43. Tilting cylinder seat. Detailed Implementation

[0019] In pre-cooked food processing lines, rolled products using ultra-thin sliced ​​meat with sauce (thickness ≤1mm, surface pre-coated with teriyaki sauce, kabayaki sauce, etc.) as the outer layer require the ultra-thin meat slices to be rolled around a stick-shaped filling to form a tight roll structure, and the roll end is heat-sealed. The existing rotary indexing forming method presents two technical problems. First, the ultra-thin meat slices themselves have extremely low rigidity and a moist surface. After being laid on the V-shaped support block 6, the edges wrinkle. When the rolling roller 18 presses down, the wrinkled areas are trapped into the roll, forming layers and cavities. Simultaneously, the adsorption force between the tail end of the ultra-thin meat slice and the groove surface may be greater than the friction force of the roller surface, preventing the tail end from peeling off from the groove surface to complete the winding closure. Secondly, when the meat slices coated with sauce are rolled up, the end of the roll naturally falls in the area covered by the V-shaped groove wall. The sealing head cannot reach the actual sealing position when it presses down from above. The lubricating effect of the sauce makes the unsealed end of the roll easier to slip off and fall apart.

[0020] One type of device uses a porous, breathable V-shaped support block 6 in conjunction with negative pressure adsorption to smoothly adhere ultra-thin meat slices to the trough surface. At the end of the rolling process, the negative pressure is cut off, allowing the tail end of the meat slice to peel off smoothly and complete the rolling. However, the sealing and pressing head of this device presses down from above, and when the rolling direction causes the roll tail to fall into the lower half of the roll, the pressing head cannot reach the actual sealing position. Another type of device has a flipping bracket 5 on the rolling station seat. After rolling, the meat roll is flipped 180 degrees so that the roll tail is flipped upwards for the sealing and pressing head to reach directly. However, the V-shaped support block 6 of this device has a plain stainless steel surface. When the ultra-thin sauce-covered meat slices are laid out, they wrinkle and adhere to the trough wall due to their extremely low rigidity, and the sauce lubrication makes the friction of the roller surface insufficient to peel off the tail end.

[0021] The pre-prepared vegetable processing meat product processing device provided in this embodiment, such as Figure 1As shown, the device includes a base 1, which provides overall support and a grounding mounting surface. A vertical central column 2 is fixedly mounted at the center of the base 1, with the axis of the central column 2 arranged vertically. An indexing turntable 3, which is a horizontally arranged disc, is rotatably mounted on the top of the central column 2. An indexing motor 38 is mounted on the side of the central column 2, and the output shaft of the indexing motor 38 is connected to the bottom surface of the indexing turntable 3 through a reduction mechanism 37. The reduction mechanism 37 is a worm gear reduction structure. In the reduction mechanism 37, the worm is connected to the output shaft of the indexing motor 38 and rotates with it. The worm gear is fixed to the bottom surface of the indexing turntable 3 and meshes with the worm. When the worm rotates, it drives the worm gear to drive the indexing turntable 3 to perform intermittent rotation around the central column 2, stopping after each 90-degree rotation.

[0022] like Figure 2 As shown, a central air passage 31 is axially formed inside the central column 2, extending vertically through the interior of the central column 2. The lower end of the central air passage 31 is connected to a vacuum pump 39 fixedly installed next to the base 1 via an air pipe connector. A rotary sealing joint 32 is fixedly installed on the top end face of the central column 2. The rotary sealing joint 32 includes a stationary ring fixedly installed on the top end face of the central column 2 and a rotating ring fixedly installed at the center hole on the bottom surface of the indexing turntable 3. A sealing ring is provided between the mating end faces of the stationary ring and the rotating ring, and the sealing ring is arranged around the air passage to maintain the airtightness between the two end faces. An air inlet communicating with the central air passage 31 is provided on the stationary ring, and an air outlet communicating with the radial air passage 33 inside the indexing turntable 3 is provided on the rotating ring. When the indexing turntable 3 rotates, the rotating ring rotates synchronously with the indexing turntable 3, while the stationary ring remains stationary. The sealing ring always maintains the airtightness between the mating end faces of the two rings and allows relative rotation.

[0023] Continue reading Figure 2 The indexing turntable 3 has four radial air channels 33 inside, each extending radially outward from the center of the turntable 3 to its outer edge. The inner end of each radial air channel 33 connects to the air outlet of the rotating ring, and the outer end connects to the interface below the corresponding rolling station. A normally closed solenoid valve 34 is fixedly installed on each radial air channel 33, and is installed in a corresponding mounting groove on the bottom surface of the indexing turntable 3 and secured with screws. The signal lines of the four normally closed solenoid valves 34 converge to a slip ring assembly 35 installed at the center of the bottom surface of the indexing turntable 3. The rotating end of the slip ring assembly 35 is fixedly installed on the bottom surface of the indexing turntable 3, and the stationary end is fixedly installed on the upper surface of the central column 2. When the indexing turntable 3 rotates, the rotating end rotates with the indexing turntable 3, while the stationary end remains stationary; the two transmit control signals through sliding electrical contact. The signal line is led out from the stationary end of the slip ring assembly 35 and runs along the outside of the central column 2 to the electrical control cabinet 40 on the side of the base 1.

[0024] like Figure 1As shown, four winding stations are fixedly installed at equal intervals along the circumferential direction on the upper surface of the indexing turntable 3, with a 90-degree interval between adjacent winding stations. Each winding station includes a station base plate 4, a tilting bracket 5, and a tilting drive assembly.

[0025] like Figure 1 As shown, the workstation base plate 4 is fixedly installed on the upper surface of the indexing turntable 3. Vertical ear plates 12 are fixedly installed on both sides of the workstation base plate 4, and the two vertical ear plates 12 are respectively offset at both ends of the V-shaped support block 6. A bearing seat is fixedly installed on each vertical ear plate 12, and the flip hinge shaft 13 is arranged horizontally, with its two ends supported in the bearing seats of the two vertical ear plates 12 respectively. The axis of the flip hinge shaft 13 is perpendicular to the axial direction of the V-shaped support block 6.

[0026] The flip bracket 5 has a U-shaped frame structure, with its bottom crossbeam fixedly mounted on the flip hinge shaft 13, and the two side arms extending outward from both ends of the crossbeam. The flip bracket 5 swings in a vertical plane around the flip hinge shaft 13. In the initial position, the two side arms are vertically upward, and in the flipped position, the two side arms are vertically downward, with a swing range of 180 degrees. V-shaped support blocks 6 are fixedly installed between the inner sides of the two side arms of the flip bracket 5.

[0027] like Figure 7 As shown, the V-shaped support block 6 is made of porous, breathable material, with the V-shaped grooves arranged horizontally along their axial direction. In the initial position, the V-shaped groove openings face upwards; in the flipped position, they face downwards. A sealed chamber 14 is located at the bottom of the V-shaped support block 6. The sealed chamber 14 is a closed space, with one side formed by the porous wall of the V-shaped support block 6, and the remaining sides enclosed by a sealing plate. The sealed chamber 14 is connected to a negative pressure assembly for adsorbing thin slices of meat from the V-shaped support block 6. The negative pressure assembly includes a central airway 31, a vacuum pump 39, a rotary sealing joint 32, and radial airways 33. The sealed chamber 14 is connected via an air pipe to the interface at the outer end of the corresponding radial airway 33 within the indexing turntable 3. When the vacuum pump 39 is working and the normally closed solenoid valve 34 corresponding to the rolling station is opened, the negative pressure is transmitted sequentially through the central air passage 31, the rotary sealing joint 32, the radial air passage 33, and the normally closed solenoid valve 34 to the sealed chamber 14 at the bottom of the V-shaped support block 6. The negative pressure is evenly applied to the surface of the support block through the porous wall of the V-shaped support block 6, so that the ultra-thin sauce meat slices laid on the V-shaped groove are flattened and adsorbed onto the groove surface to eliminate wrinkles.

[0028] like Figure 7As shown, an elastic clamping piece 7 is fixedly installed on the outer edge of one side wall of the V-shaped support block 6. The elastic clamping piece 7 is an elastic thin sheet, and its fixed end is locked to the outer edge surface of the side wall of the V-shaped support block 6 by screws. The free end bends and extends inward toward the V-shaped groove to form an arc-shaped clamping opening. In the free state, the distance between the inner edge of the arc-shaped clamping opening and the side wall of the V-shaped support block 6 is less than the diameter of the finished meat roll. After the meat roll is rolled, its outer surface will push the arc-shaped clamping opening outward. The elastic clamping piece 7 applies a radial clamping force to the meat roll by relying on its own elastic restoring force. The fixed end of the elastic clamping piece 7 is located at the outer edge of the side wall of the V-shaped support block 6 and does not extend into the internal space of the V-shaped groove. The arc-shaped clamping opening only applies a clamping force to the meat roll in the edge area of ​​the V-shaped groove and does not interfere with the downward pressing and rolling movement space of the rolling roller 18 above the V-shaped groove. After the flipping bracket 5 flips 180 degrees, the elastic clamp 7 inverts along with the V-shaped support block 6, with the arc-shaped clamping opening facing downwards to continue applying clamping force to the meat roll. At the same time, the inverted groove wall of the V-shaped support block 6 provides a gravitational constraint on the meat roll, preventing it from falling off during the flipping process. It should be noted that the coverage length of the elastic clamp 7 along the axial direction of the V-shaped support block 6 is less than the total axial length of the V-shaped groove. The axial exit end of the V-shaped support block 6 has an open area not covered by the elastic clamp 7, allowing the meat roll to slide out axially during unloading.

[0029] like Figure 5 As shown, the tilting drive assembly includes a tilting cylinder seat 43 and a tilting cylinder 8. The tilting cylinder seat 43 is fixedly mounted on the base plate 4 of the workstation seat and offset to one side of the tilting bracket 5. The tail end of the cylinder body of the tilting cylinder 8 is hinged to the tilting cylinder seat 43. The cylinder body of the tilting cylinder 8 swings at a small angle in the vertical plane around the hinge point to compensate for the geometric relationship between the linear motion of the piston rod and the rotational motion of the tilting bracket 5. A spherical bearing 9 is installed at the end of the piston rod of the tilting cylinder 8. The spherical bearing 9 is hinged to a drive trunnion fixedly mounted on the outer side of one arm of the tilting bracket 5. When the piston rod of the tilting cylinder 8 extends, it pushes the drive trunnion, driving the tilting bracket 5 to rotate 180 degrees around the tilting hinge axis 13; when the piston rod of the tilting cylinder 8 retracts, it pulls back the drive trunnion, and the tilting bracket 5 returns to its initial position with the V-groove facing upward.

[0030] The flip-up bracket 5 has a corresponding limit stop 11 in both its initial and flipped positions. The two limit stops 11 are fixedly installed on the vertical ear plates 12 on the side of the workstation base plate 4. The side arm of the flip-up bracket 5 stops rotating after contacting the corresponding limit stop 11, thereby precisely defining the two stop positions of the flip-up bracket 5.

[0031] It should be noted that the air pipes of the four tilting cylinders 8 are led from the base plate 4 of each rolling station along the radial routing grooves on the lower surface of the indexing turntable 3 to the center of the turntable. At the center of the bottom surface of the indexing turntable 3, the air pipes are connected to the air source control valve group on the side of the base 1 via a rotary air path distributor 36. The rotary air path distributor 36 includes a rotating disc body fixedly installed at the center hole of the bottom surface of the indexing turntable 3 and a stationary disc body fixedly installed on the top surface of the central column 2. The rotating disc body has multiple air path ports along its circumference, which are respectively connected to the air inlet pipes and exhaust pipes of the four tilting cylinders 8. The stationary disc body has a main air path port connected to the air source control valve group. Multiple annular sealing rings are provided between the mating end faces of the rotating disc body and the stationary disc body, each sealing ring corresponding to an independent air path channel, ensuring that each air path channel is independent and airtight when the indexing turntable 3 rotates. The rotary air distributor 36 also integrates an electrical signal slip ring channel. The control signals of the electromagnetic reversing valves corresponding to the four tilting cylinders 8 are transmitted from the rotating disc to the stationary disc through the electrical signal slip ring channel, and then connected to the electrical control cabinet 40 via cables.

[0032] Four outer peripheral columns 15 are fixedly installed on the outer periphery of the base 1, and the four outer peripheral columns 15 are evenly distributed along the circumference. The position of each outer peripheral column 15 corresponds to the front and side of the four rolling stations when the indexing turntable 3 is at rest, forming the loading station, rolling station, sealing station and unloading station in sequence.

[0033] No functional components are installed on the outer peripheral column 15 at the feeding station. The feeding station allows the upstream conveyor to place the ultra-thin sauce meat slices on the V-shaped support block 6 and place the rod-shaped filling on top of the meat slices. At this time, the flipping bracket 5 is in the initial position with the V-shaped groove facing upward. The normally closed electromagnetic valve 34 of the corresponding rolling station seat is opened, and the negative pressure adsorption makes the thin meat slices adhere flat to the V-shaped groove surface.

[0034] like Figure 3 As shown, the winding mechanism includes a winding swing frame 17, a swing cylinder 21, a winding roller 18, a winding roller gear 19, and a winding motor 20. An mounting arm 16 is fixedly installed on the outer peripheral column 15 at the winding station, extending horizontally from the column to above the indexing turntable 3. The end of the mounting arm 16 is hinged to the winding swing frame 17 via a hinge shaft, which is horizontally arranged. A swing cylinder 21 is fixedly installed on the mounting arm 16, with its cylinder body hinged to the mounting arm 16 and its piston rod end hinged to the tail end of the winding swing frame 17. The front end of the winding swing frame 17 faces the center of the turntable, and its tail end faces the outer peripheral column 15.

[0035] Two parallel rolling rollers 18 are rotatably mounted on the front end of the rolling frame 17, with their axes arranged horizontally along the axial direction of the V-shaped support block 6. The distance between the two rolling rollers 18 is slightly smaller than the diameter of the finished meat roll. A rolling roller gear 19 is fixedly mounted at the same end of each of the two rolling rollers 18, and the two rolling roller gears 19 mesh with each other. The meshing of the two rolling roller gears 19 causes the two rolling rollers 18 to rotate towards each other. The other end of one of the rolling rollers 18 is connected to the output shaft of the rolling motor 20, which is fixedly mounted on the rolling frame 17, via a flexible coupling 42. The axis of the output shaft of the rolling motor 20 is arranged horizontally along the axial direction of the V-shaped support block 6. The rolling motor 20 drives the rolling roller 18 to rotate, and synchronously drives the other rolling roller 18 to rotate towards the other side through the meshing of the rolling roller gears 19. When the rolling rack 17 descends, the two rolling rollers 18 enter above the V-shaped groove, and the roller surfaces contact the meat slices and filling inside the V-shaped groove. The frictional force generated by the opposing rotation of the two rolling rollers 18, together with the support of the side walls of the V-shaped groove, causes the meat slices and filling to be driven by the roller surfaces to roll around the axis of the filling inside the V-shaped groove. The meat slices then wrap around the outer surface of the filling layer by layer to complete the rolling.

[0036] like Figure 4 As shown, the sealing mechanism includes a bracket 22, a guide rail 24, a sealing cylinder 23, a sealing slide 25, and a pressing head 26. The bracket 22 is fixedly installed on the outer peripheral column 15 at the sealing station. The guide rail 24 is vertically fixedly installed on the bracket 22, with the guiding direction along the vertical direction. The sealing cylinder 23 is fixedly installed on the top of the bracket 22, and the cylinder body of the sealing cylinder 23 is fixed to the top of the bracket 22. The piston rod of the sealing cylinder 23 extends downwards in the vertical direction, and the end of the piston rod is fixedly connected to the sealing slide 25. The sealing slide 25 is slidably installed on the guide rail 24 and performs linear reciprocating motion in the vertical direction. The pressing head 26 is fixedly installed on the bottom surface of the sealing slide 25, and the bottom surface of the pressing head 26 is an arc-shaped concave surface adapted to the outer circular surface of the meat roll. An electric heating element is embedded inside the pressing head 26, and the electric heating element is arranged close to the arc-shaped concave surface. The power cord of the electric heating element runs along the drag chain 41 on the side of the guide rail 24 to the junction box at the top of the bracket 22. One end of the drag chain 41 moves with the sealing slide 25, and the other end is fixed at the junction box to protect the power cord from damage during the movement of the sealing slide 25. The junction box is connected to the electrical control cabinet 40 on the side of the base 1 via a cable.

[0037] Ultra-thin slices of meat coated with sauce (teriyaki sauce, kabayaki sauce, etc.) contain sugar and protein components. During heating and pressing, localized heating causes the sauce to melt and the protein in the meat slices to denature and adhere, thus sealing the meat. It should be noted that a Teflon (polytetrafluoroethylene) coating is applied to the 26-curved concave working surface of the pressing head, providing high-temperature resistance and preventing meat and sauce from adhering.

[0038] like Figure 6As shown, the unloading mechanism includes an unloading ejection cylinder 28 and a push rod 29. An unloading mechanism mounting plate is fixedly installed on the outer peripheral column 15 at the unloading station. The unloading ejection cylinder 28 is horizontally fixedly installed on the unloading mechanism mounting plate, with the cylinder body horizontally fixed to the mounting plate. The piston rod points axially towards one end of the V-shaped support block 6. A push rod 29 is fixedly installed at the end of the piston rod, located on the axial inlet side of the V-shaped support block 6. The piston rod extends along the direction of the dotted arrow. After the piston rod extends, the push rod 29 pushes the finished meat roll out axially along the V-shaped support block 6. The meat roll slides axially along the V-groove through the open area not covered by the elastic clamp 7 and falls into the finished product collection trough 30 fixedly placed next to the base 1. Figure 1 As shown. The finished product collection tank 30 is located below the axial outlet end of the V-shaped support block 6.

[0039] The electrical control cabinet 40 is fixedly installed on the side of the base 1, and contains a controller and a pneumatic solenoid valve assembly. The controller is connected via cables to the solenoid valves of the indexing motor 38, the swing cylinder 21, the winding motor 20, the sealing cylinder 23, the electric heating element, the unloading cylinder 28, the vacuum pump 39, and the signal lines of four normally closed solenoid valves 34 led out through the slip ring assembly 35. The control signals of the solenoid reversing valves corresponding to the four tilting cylinders 8 are transmitted from the rotating disk to the stationary disk through the electrical signal slip ring channel integrated in the rotary air distributor 36, and then connected to the electrical control cabinet 40 via cables. All external cables are led out from the electrical control cabinet 40 through the cable tray under the base 1 and then routed along the cable trays inside each outer peripheral column 15 to each actuator.

[0040] In some embodiments, the air pipe between the sealed chamber 14 at the bottom of the V-shaped support block 6 and the outer end interface of the radial air passage 33 of the indexing turntable 3 is a flexible air pipe. As the flip bracket 5 swings 180 degrees around the flip hinge axis 13, the flexible air pipe bends and deforms accordingly when the flip bracket 5 swings, ensuring that the air passage remains unobstructed and sealed in both the initial position and the flip position extreme states.

[0041] Furthermore, to ensure smooth movement of the flipping bracket 5 during the flipping process and to avoid impact when the cylinder piston rod reaches the end of its stroke, the flipping cylinder 8 is a cylinder with end buffer. When the piston rod approaches the two ends of its stroke, the buffer chamber inside the cylinder throttles the compressed air, reducing the piston speed and allowing the flipping bracket 5 to smoothly reach the limit stop 11 and stop, reducing vibration interference to the meat roll.

[0042] Furthermore, to improve the compactness of the installation of the rotary sealing joint 32 and the rotary air distributor 36, the rotary sealing joint 32 and the rotary air distributor 36 share the top surface of the central column 2 as the installation reference surface. The rotary sealing joint 32 transmits the negative pressure air path, and the rotary air distributor 36 transmits the compressed air path of the tilting cylinder 8 and the control signal of the solenoid reversing valve. The stationary ends of both are fixed on the top surface of the central column 2, and the rotating ends are fixed at the center hole position on the bottom surface of the indexing turntable 3. The stationary end of the slip ring assembly 35 is also fixed on the upper surface of the central column 2. The three are arranged compactly along the axial direction of the central column 2, and each signal path is independent and does not interfere with each other.

[0043] Working principle: The indexing motor 38 drives the worm gear to rotate. The worm gear meshes with the worm wheel, causing the indexing turntable 3 to rotate 90 degrees around the central column 2 each time before stopping. The four rolling stations rotate with the indexing turntable 3, passing sequentially through the loading station, rolling station, sealing station, and unloading station. Each time the indexing turntable 3 stops, the four stations simultaneously perform their respective operations.

[0044] At the loading station, the flipping bracket 5 is in its initial position with the V-shaped groove facing upwards. The controller sends a signal to open the normally closed solenoid valve 34 corresponding to the rolling station seat. The negative pressure generated by the vacuum pump 39 is transmitted sequentially through the central air channel 31, the rotary sealing joint 32, the radial air channel 33, and the normally closed solenoid valve 34 to the sealed chamber 14 at the bottom of the V-shaped support block 6. The negative pressure is evenly applied to the surface of the V-shaped support block 6 through the porous wall. The upstream conveying device lays the ultra-thin sauce meat slices on the V-shaped support block 6. Under the action of negative pressure, the meat slices are flattened and adsorbed onto the V-shaped groove surface, eliminating edge wrinkles caused by extremely low rigidity. The stick-shaped filling is then placed on top of the meat slices.

[0045] At the rolling station, the piston rod of the swing cylinder 21 extends and pushes the tail end of the rolling swing frame 17. The rolling swing frame 17 swings downward around its hinge axis, and the two rolling rollers 18 descend into the V-shaped groove and contact the upper surface of the meat slices and filling. The rolling motor 20 starts, driving one rolling roller 18 to rotate, which in turn drives the other rolling roller 18 to rotate in the opposite direction through the meshing of the rolling roller gear 19. The friction of the roller surfaces of the two rolling rollers 18, together with the support of the two side walls of the V-shaped groove, drives the meat slices and filling to roll around the filling axis in the V-shaped groove, and the meat slices wrap around the outer surface of the filling layer by layer to complete the rolling process. During the rolling process, the negative pressure adsorption on the surface of the V-shaped support block 6 continuously keeps the unrolled parts of the meat slices attached to the groove surface in a flat state.

[0046] In the final stage of rolling, the controller sends a signal to close the normally closed solenoid valve 34 of the rolling station, cutting off the negative pressure adsorption. The adsorption force on the surface of the V-shaped support block 6 disappears, and the tail end of the meat slice is no longer adsorbed on the groove surface. Under the action of the roller surface friction of the rolling roller 18, it is smoothly peeled off from the groove surface, completing the winding closure. After the rolling is completed, the rolling motor 20 stops, the piston rod of the swing cylinder 21 retracts, the rolling swing frame 17 swings up and resets, and the two rolling rollers 18 leave the meat roll. The outer circumference of the meat roll tail pushes the arc-shaped clamping opening of the elastic clamp 7 outward, and the elastic clamp 7 applies radial clamping force to the meat roll tail by relying on elastic restoring force.

[0047] At the sealing station, the piston rod of the sealing cylinder 23 extends downward, driving the sealing slide 25 to descend along the guide rail 24. The arc-shaped concave surface of the pressing head 26 presses down onto the rolled-end position. The heat generated by the electric heating element is conducted to the arc-shaped concave surface, which then transfers the heat to the meat slice at the rolled end. The protein in the meat slice denatures due to the heat, forming an adhesive and completing the rolled-end sealing. After sealing, the piston rod of the sealing cylinder 23 retracts, and the sealing slide 25 rises back to its original position along the guide rail 24.

[0048] After sealing, the indexing turntable 3 rotates 90 degrees around the central column 2 to the unloading station. The controller drives the piston rod of the flipping cylinder 8 of the rolling station to extend. The piston rod pushes the drive trunnion through the spherical bearing 9, and the flipping bracket 5 flips 180 degrees around the flipping hinge axis 13. The side arm of the flipping bracket 5 stops after contacting the limiting block 11 at the flipping position. The V-shaped support block 6 is inverted along with the meat roll, and the actual closing position of the meat roll tail flips from the area originally covered by the V-shaped groove wall to the upward position. During the flipping process, the elastic clamp 7 is inverted with the V-shaped support block 6, and the arc-shaped clamping mouth continues to apply elastic clamping force to the tail of the meat roll with the downward facing direction. The inverted groove wall of the V-shaped support block 6 forms a gravity-directed limit on the meat roll, and the meat roll will not fall off. At this time, at the unloading station, the flipping bracket 5 is in the flipped position with the V-shaped groove facing downward. The piston rod of the unloading ejection cylinder 28 extends, and the push rod 29 pushes the finished meat roll outward along the axial direction of the V-shaped support block 6. The meat roll slides axially along the V-shaped groove, passes through the open area not covered by the elastic clamp 7, slides out of the V-shaped support block 6, passes through the discharge port on the indexing turntable 3, and falls into the finished product collection tank 30. The piston rod of the unloading cylinder 28 retracts to its original position.

[0049] After each station has completed its operation, the indexing motor 38 drives the indexing turntable 3 to rotate 90 degrees, and each rolling station moves forward to the next station to enter the next cycle.

[0050] Technical effects of this embodiment: This device utilizes a V-shaped support block 6 made of porous, breathable material, combined with an independently controllable negative pressure air path. During the initial feeding and rolling stages, the ultra-thin slices of meat with sauce are smoothly adhered to the V-shaped groove surface. The negative pressure is evenly distributed across the support block surface through the porous wall, overcoming the problem of edge wrinkling caused by the extremely low rigidity of the ultra-thin meat slices during laying. This prevents wrinkled areas from being trapped inside the roll, forming layers and cavities. At the end of the rolling process, the negative pressure is cut off by closing the normally closed electromagnetic valve 34 of the corresponding rolling station, causing the adhesion force on the surface of the V-shaped support block 6 to disappear. The tail end of the meat slice is then smoothly peeled off from the groove surface under the friction of the rolling roller 18, completing the winding and closing process. This overcomes the problem that the tail end of the ultra-thin meat slice cannot be peeled off because the adhesion force is greater than the friction force of the roller surface.

[0051] The device drives the flipping bracket 5 to rotate 180 degrees around the flipping hinge shaft 13 via a flipping drive assembly. After rolling, the elastic clips 7 at both ends clamp the meat slices at the rolling opening. At this time, when the pressing head 26 presses down from above, the arc-shaped concave surface directly covers the actual closing position to complete the heat-sealing. This overcomes the problem of the rolled meat slices unwinding and loosening at the sealing point when the pressing head 26 presses down from above, resulting in misalignment of the rolling tail. It also eliminates the problem of the unsealed rolling tail slipping and spreading out under the lubrication of the sauce. The elastic clips 7 continuously apply elastic clamping force to the rolling tail of the meat roll throughout the entire rolling and sealing process. Combined with the gravity direction limitation of the inverted groove wall of the V-shaped support block 6 after flipping, it ensures that the roll does not loosen during flipping and sealing. During flipping, it also prevents the meat roll from slipping and falling outside the finished product collection groove 30 before it is fully flipped.

[0052] Negative pressure adsorption ensures rolling quality first, followed by flipping to expose the roll tail. The timing of these two steps coordinates to achieve a complete forming process for the ultra-thin sauce-filled meat slices, from flat laying and wrinkle-free rolling to smooth peeling of the tail end and sealing. The rotary sealing joint 32 transmits negative pressure air, the rotary air distributor 36 transmits air source and electromagnetic reversing valve control signals to the flipping cylinder 8, and the slip ring assembly 35 transmits control signals to the normally closed electromagnetic valve 34. All three are mounted on the top surface of the central column 2, and each path is independent and does not interfere with each other.

[0053] The embodiments of the present invention have been described above. However, the embodiments are not limited to the specific implementation methods described above. The specific implementation methods described above are merely illustrative and not restrictive. Those skilled in the art can make more equivalent embodiments under the guidance of the present embodiments, and all of them are within the protection scope of the present embodiments.

Claims

1. A meat processing device for pre-prepared vegetable processing, characterized in that, include: The base has a vertical central column fixedly installed on it. A horizontally arranged indexing turntable is rotatably installed on the top of the central column. Multiple rolling station seats are fixedly installed at equal intervals along the circumference on the upper surface of the indexing turntable, corresponding to the feeding station, rolling station, sealing station and unloading station respectively. Each rolling station includes a station base plate fixedly installed on the upper surface of the indexing turntable, a flip bracket hinged to the station base plate via a flip hinge shaft, and a flip drive assembly for driving the flip bracket to flip around the flip hinge shaft. A V-shaped support block made of porous breathable material is fixedly installed inside the flip bracket. The bottom of the V-shaped support block is provided with a sealed chamber, which is connected to a negative pressure assembly for adsorbing the thin meat slices on the V-shaped support block through the sealed chamber. An elastic clip is fixedly installed on the outer edge of one side wall of the V-shaped support block. The free end of the elastic clip is bent inward toward the V-shaped groove to form an arc-shaped clamping opening. A rolling mechanism is used to roll thin slices of meat and stick-shaped fillings at the rolling station; Sealing mechanism, used to heat-seal the rolled meat rolls; The unloading mechanism is used to push the heat-sealed meat rolls out of the V-shaped groove of the V-shaped support block.

2. The meat processing apparatus for pre-prepared vegetable processing according to claim 1, characterized in that, The negative pressure assembly includes a central air passage, a vacuum pump, a rotary sealing joint, and radial air passages. The central air passage is axially formed inside the central column, and its lower end is connected to the vacuum pump. A rotary sealing joint is installed at the top of the central column. Radial air passages are formed inside the indexing turntable and are connected to the central air passages through the rotary sealing joints. A normally closed electromagnetic valve is installed on each radial air passage, and the sealed chamber is connected to the central air passage through the radial air passages.

3. The meat processing apparatus for pre-prepared vegetable processing according to claim 1, characterized in that, The flipping drive assembly includes a flipping cylinder seat fixedly mounted on the base plate of the workstation and a flipping cylinder hingedly mounted on the flipping cylinder seat. The piston rod of the flipping cylinder is equipped with a spherical bearing at its end. The spherical bearing is hingedly connected to a drive trunnion fixedly mounted on the outer side of the flipping bracket side arm. When the piston rod of the flipping cylinder extends, it drives the flipping bracket to flip 180 degrees around the flipping hinge axis. When the piston rod retracts, the flipping bracket returns to the initial position where the V-shaped groove of the V-shaped support block faces upward.

4. The meat processing apparatus for pre-prepared vegetable processing according to claim 3, characterized in that, Two limiting blocks are fixedly installed on the base plate of the workstation. The two limiting blocks correspond to the initial position and the flipping position of the flipping bracket, respectively, and are used to limit the position of the side arm of the flipping bracket at the corresponding position.

5. The meat processing apparatus for pre-prepared vegetable processing according to claim 1, characterized in that, In its free state, the distance between the inner edge of the arc-shaped clamp of the elastic clip and the side wall of the V-shaped support block is less than the diameter of the finished meat roll. The coverage length of the elastic clip along the axial direction of the V-shaped support block is less than the total axial length of the V-shaped groove. The outlet end of the V-shaped support block in the axial direction has an open area not covered by the elastic clip.

6. The meat processing apparatus for pre-prepared vegetable processing according to claim 3, characterized in that, Multiple peripheral columns are fixedly installed on the outer periphery of the base. These columns are evenly distributed along the circumference and correspond to the feeding station, rolling station, sealing station, and unloading station, respectively. The winding mechanism includes a winding swing frame, a swing cylinder, winding rollers, winding roller gears, and a winding motor. An installation arm is fixedly installed on the outer peripheral column at the winding station. The winding swing frame is hinged to the end of the installation arm. A swing cylinder is fixedly installed on the installation arm. The piston rod end of the swing cylinder is hinged to the tail end of the winding swing frame. Two parallel winding rollers are installed at the front end of the winding swing frame in a horizontal direction. A winding roller gear is fixedly installed at the same end of each of the two winding rollers. The two winding roller gears mesh with each other. The other end of one of the winding rollers is connected to the winding motor fixedly installed on the winding swing frame through a flexible coupling.

7. The meat processing apparatus for pre-prepared vegetable processing according to claim 6, characterized in that, The sealing mechanism includes a bracket, a guide rail, a sealing cylinder, a sealing slide, and a pressing head. A bracket is fixedly installed on the outer peripheral column at the sealing station. A guide rail is vertically fixedly installed on the bracket. A sealing cylinder is fixedly installed on the top of the bracket. The piston rod of the sealing cylinder extends downward in the vertical direction and is fixedly connected to the sealing slide. The sealing slide is slidably installed on the guide rail. A pressing head is fixedly installed on the bottom surface of the sealing slide. The bottom surface of the pressing head is an arc-shaped concave surface, and an electric heating element is embedded inside the pressing head.

8. The meat processing apparatus for pre-prepared vegetable processing according to claim 6, characterized in that, The unloading mechanism includes an unloading ejection cylinder and a push rod. The unloading ejection cylinder is fixedly installed on the outer peripheral column at the unloading station. The cylinder body of the unloading ejection cylinder is fixed horizontally. The piston rod is arranged axially along the V-shaped support block. A push rod is fixedly installed at the end of the piston rod. A finished product collection trough is fixedly installed on the base. The finished product collection trough is located below the axial outlet end of the V-shaped support block.

9. The meat processing apparatus for pre-prepared vegetable processing according to claim 1, characterized in that, The rotary sealing joint includes a stationary ring fixedly installed on the top end face of the central column and a rotating ring fixedly installed at the center hole of the bottom surface of the indexing turntable. A sealing ring is provided between the mating end faces of the stationary ring and the rotating ring. An air inlet communicating with the central air passage is opened on the stationary ring, and an air outlet communicating with the radial air passage inside the indexing turntable is opened on the rotating ring. A slip ring assembly is installed at the center of the bottom surface of the indexing turntable. The rotating end of the slip ring assembly is fixedly installed on the bottom surface of the indexing turntable, and the stationary end is fixedly installed on the top end face of the central column. The signal lines of four normally closed solenoid valves are led out to the electrical control cabinet through the slip ring assembly. A rotary air path distributor is installed at the center hole of the bottom surface of the indexing turntable. The rotating disk of the rotary air path distributor is fixedly installed on the bottom surface of the indexing turntable, and the stationary disk is fixedly installed on the top surface of the central column. Multiple annular sealing rings are provided between the mating end faces of the rotating disk and the stationary disk, each corresponding to an independent air passage. The rotary sealing joint, the rotary air path distributor, and the slip ring assembly share the top surface of the central column as the installation reference surface.

10. The meat processing apparatus for pre-prepared vegetable processing according to claim 1, characterized in that, An indexing motor is installed on the side of the central column. The output shaft of the indexing motor is connected to the bottom surface of the indexing turntable through a reduction mechanism. The worm gear in the reduction mechanism is connected to the output shaft of the indexing motor, and the worm wheel in the reduction mechanism is fixed to the bottom surface of the indexing turntable and meshes with the worm gear, which is used to drive the indexing turntable to perform intermittent rotation around the central column.

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