A rice dumpling packaging machine

Abstract

The present invention provides a rice dumpling packaging machine, comprising a frame, characterized in that a feeding mechanism, a bag loading and unloading mechanism, a transfer mechanism and a sealing mechanism are arranged on the frame. The present invention has the advantage of fast production.

Description

Technical Field

[0001] The invention belongs to the technical field of machinery and relates to a rice dumpling packaging machine. Background Art

[0002] Zongzi is very familiar to most people and is a traditional Chinese cultural food. With the continuous improvement of living standards in real society, vacuum zongzi is very quick and convenient.

[0003] There is no special packaging machine in the prior art, and the rice dumplings cannot be vacuum-packed quickly. Therefore, it is necessary to design a rice dumpling packaging machine. Summary of the invention

[0004] The purpose of the present invention is to solve the above problems in the prior art and to provide a rice dumpling packaging machine which has the characteristics of fast production.

[0005] The purpose of the present invention can be achieved through the following technical solutions: a rice dumpling packaging machine, comprising a frame, characterized in that a feeding mechanism, an upper and lower bag mechanism, a transfer mechanism and a sealing mechanism are arranged on the frame.

[0006] The feeding mechanism includes a workbench, which is fixed on a frame. An inner track and an outer track for guiding are fixed on the workbench. A plurality of placement cups for placing zongzi are slidably arranged between the inner track and the outer track. The placement cups have four limiting openings for being clamped between the inner track and the outer track, and the four limiting openings form a square. A driving structure 1 capable of driving the placement cups to move is arranged on the frame. A detection reversing structure and a zongzi lowering structure are arranged on the workbench.

[0007] The method places the zongzi into the placing cup as required, drives the placing cup to move through a driving structure, detects the zongzi in the placing cup through a detecting reversing structure, and when the position is incorrect, the entire placing cup can be rotated 90 degrees, and the zongzi can be pushed into the packaging bag through a zongzi lowering structure, thereby realizing the feeding operation of the zongzi, and the feeding is convenient.

[0008] The driving structure comprises a chain plate, a driving shaft, a driving motor, a driving pulley, a driven pulley and a belt. The driving shaft is vertically rotatably arranged on a frame. The upper end of the driving shaft is connected to the chain plate, and the lower end of the driving shaft is connected to the driving pulley. The driving motor is fixed on the frame, and the output shaft end of the driving motor is connected to the driven pulley. The belt is sleeved between the driving pulley and the driven pulley.

[0009] The detection and reversing structure includes a bracket one, a cylinder one, a cylinder two, a reversing motor, a rotating fork, a movable base rod, a travel switch and a mounting plate. The bracket one is fixed on a workbench, the cylinder one is fixed on the bracket one, the piston rod end of the cylinder one is connected to the lifting plate, the travel switch is fixed on the lifting plate, the movable base rod is vertically arranged on the bracket one, the lower end of the movable base rod is connected to the detection head, the upper end of the movable base rod is connected to the touch block, and the touch block can contact the travel switch, and a spring one is also sleeved on the movable base rod, the reversing motor is fixed on the lifting plate, and the reversing motor is located between the cylinder one and the movable base rod, the output shaft end of the reversing motor is connected to the rotating fork, and a notch is also provided on the outer track, the mounting plate is fixed on the workbench, and the mounting plate is located on the side of the notch, the cylinder two is fixed on the workbench, and the piston rod end of the cylinder two is fixed with a compensation guide bar matching the notch.

[0010] When the position of the rice dumpling in the placement cup is incorrect, the cylinder one drives the lifting plate to move downward, the lifting plate drives the movable base rod to move downward, the movable base rod drives the detection head to move downward, the detection head contacts the two corners on the rice dumpling, the spring one is compressed, the touch block contacts the travel switch, and it is known that the position of the rice dumpling in the placement cup is incorrect. After the placement cup moves to the bottom of the rotating fork, the compensation guide bar is driven by the cylinder two to move it away from the outer track, the reversing motor is controlled to drive the rotating fork to rotate, the rotating fork drives the placement cup to rotate 90 degrees, and the compensation guide bar is driven by the cylinder two to make it close to the outer track, so that the outer track forms a complete structure again, and the placement cup can be detected and reversed.

[0011] The workbench is provided with a cleaning structure capable of cleaning the placed cups, the cleaning structure comprising a second bracket, a cleaning brush, a barrier cover, a water tank, an annular water spray pipe, a third cylinder and a hot air blower. The second bracket is fixed on the workbench, the third cylinder is fixed on the second bracket, the barrier cover is fixed to the end of the piston rod of the third cylinder, the cleaning brush is arranged in the barrier cover for vertical rotation, the cleaning brush is connected to a driving motor 2 which can drive the rotation thereof, the annular water spray pipe is installed in the barrier cover, a plurality of water outlet holes are provided on the annular water spray pipe, the annular water spray pipe is connected to the water tank through a water supply pipe, the water tank is fixed on the second bracket, the water pump is arranged on the water supply pipe, the hot air blower is fixed on the second bracket, and the air outlet of the hot air blower is inclined downward.

[0012] The barrier cover is driven downward by cylinder three, and the barrier cover drives the cleaning brush to move downward, and the cleaning brush is driven to rotate by driving motor two. At the same time, the clean water in the water tank is transported to the annular water spray pipe through the water pipe, and sprayed on the placement cup from the water outlet. Under the action of the cleaning brush, the inside of the placement cup is cleaned, and the placement cup is blown dry by the hot air blower, which is convenient for cleaning.

[0013] The rice dumpling unloading structure includes a bracket three, a pushing block and a material guiding hopper. A material unloading port for unloading rice dumplings is provided on the workbench. The material guiding hopper is fixed at the material unloading port. The bracket three is fixed on the workbench, and the bracket three is close to the material unloading port. The pushing block is arranged on the bracket three. The pushing block is connected to a moving component that can move it up and down, and the pushing block can extend into the material guiding hopper.

[0014] The moving assembly includes a column, a guide rail 1, a slider 1, a rack 1, a rack 2, a gear 1, a gear 2 and a driving motor 3. The column is fixed on the bracket 3, the guide rail 1 is vertically fixed on the column, the slider 1 is arranged on the guide rail 1, the rack 1 and the rack 2 are vertically fixed on the column, the rack 1 has two tooth parts 1 and one rack part 2, the tooth part 2 is distributed between the two tooth parts 1, the driving motor 3 is fixed on the slider 1, the output shaft end of the driving motor 3 is connected to the rotating shaft, the gear 1 is installed on the rotating shaft through a one-way bearing 1, the gear 1 includes a half gear body 1 and a half gear body 2, the number of teeth of the half gear body 1 is less than the number of teeth of the half gear body 2, the half gear body 1 is meshed with the tooth part 1, the half gear body 2 is meshed with the tooth part 2, the gear 2 is installed on the rotating shaft through the one-way bearing 2, the number of teeth of the gear 2 is greater than the number of teeth of the gear 1, the gear 2 is meshed with the rack 2, and the pushing block is connected to the slider 1 through a connecting rod 1.

[0015] The motor 3 is driven to drive the gear 1 to rotate forward, and the gear 1 is meshed with the rack 1, that is, first the half gear body 1 is meshed with one of the tooth portions 1, then the half gear body 2 is meshed with the tooth portion 2, and finally the gear body 1 is meshed with the other tooth portion 1, so that the slider 1 drives the push block to move downward at a speed from slow to fast and then to slow again, and the push block can avoid crushing the zongzi when pushing it downward; and when the push block is reset, the motor is driven to drive the gear 2 to reverse, and the gear 2 is meshed with the rack 2. Since the number of teeth of the gear 2 is greater than the number of teeth of the gear 1, the push block can be reset quickly, and the effect of putting the zongzi down is good.

[0016] When the motor three is driven to rotate forwardly through the one-way bearing two, the gear two and the rotating shaft can rotate relative to each other; when the motor three is driven to rotate reversely through the one-way bearing two, the gear one and the rotating shaft can rotate relative to each other.

[0017] A movable ring is also slidably provided on the material guide hopper, and a plurality of springs three are installed between the movable ring and the material guide hopper. Four auxiliary plates are hinged on the movable ring, and the cross-section of the auxiliary plates is V-shaped. Springs four are also connected between the connected auxiliary plates through detachable components, and an elastic stopper is fixed on the inner side of the lower end of the auxiliary plate.

[0018] During the process of putting the rice dumplings in the cup, the pushing block makes the rice dumplings enter the material guide hopper and then enter the auxiliary sheet. Due to the action of the elastic stop block, the rice dumplings can stay briefly, and the movable ring will drive the auxiliary sheet to move downward, so that the auxiliary sheet extends into the packaging bag. Finally, the rice dumplings fall into the packaging bag, and the movable ring can be automatically reset under the action of spring three, thereby ensuring that the rice dumplings enter the packaging bag smoothly, and there will be no interference between the auxiliary sheet and the packaging bag.

[0019] The bag loading and unloading mechanism includes a turntable, which is arranged on a frame. A plurality of fixing components for fixing packaging bags are fixed in a circumferential array on the turntable. The frame is sequentially provided with a bag loading mechanism for inputting packaging bags into the fixing components, a detection mechanism for the position of rice dumplings entering the packaging bag, and a bag taking and sorting mechanism for recovering packaging bags without rice dumplings.

[0020] The bag loading mechanism includes a support assembly for storing packaging bags, the support assembly includes a guide rail, a movable bracket, a lifting bracket and a cylinder four, the guide rail is fixed on the frame, the movable bracket is slidably arranged on the guide rail, the cylinder four is fixed on the frame, and the lifting bracket is fixed on the piston rod of the cylinder four, wherein the movable bracket is provided with a clamping opening adapted for the lifting bracket to be clamped in, the movable bracket is provided with a first placement surface, and the lifting bracket is provided with a second placement surface, after the lifting bracket is clamped in the clamping opening, the first placement surface and the second placement surface are in the same horizontal plane; the frame is provided with a lifting assembly for sucking up the bag opening of the packaging bag in the support assembly and a bag taking assembly for clamping the bag opening and taking the packaging bag out of the support assembly.

[0021] The movable bracket is provided with two baffle plates 1, and the lifting bracket is provided with a baffle plate 2, and the baffle plate 2 can be inserted between the two baffle plates 1.

[0022] The opening component includes a driving motor four, a swing frame one and a plurality of suction cups, the driving motor four is fixed on the frame, the swing frame one is fixed on the output shaft of the driving motor four, and the suction cup is fixed on the swing frame one.

[0023] The bag taking assembly includes a driving motor five, a swing frame two, a cylinder five, a clamping plate one and a clamping plate two. The driving motor five is fixed on the frame, the swing frame two is fixed on the output shaft of the driving motor five, the clamping plate one and the cylinder five are fixed on the frame, the clamping plate two is fixed on the piston rod of the cylinder five, and the clamping plate one and the clamping plate two form an entrainment station.

[0024] The detection mechanism includes a fixed frame, which is fixed on the frame. A detection rod and a detection plate are hinged on the fixed frame. The detection rod is connected to the fixed frame through a compression spring 1, and the detection plate is connected to the fixed frame through a compression spring 2. A pressure sensor 1 and a pressure sensor 2 are arranged on the fixed frame. When the detection rod is squeezed, it can rest against the pressure sensor 1, and when the detection plate is squeezed, it can rest against the pressure sensor 2; the pressure sensor 1 and the pressure sensor 2 are connected to the fixed frame through a spring 4.

[0025] The bag picking and sorting mechanism includes a push rod motor 1 fixed on the frame, a lifting frame is fixed on the push rod of the push rod motor 1, an ironing structure for ironing the packaging bags is arranged on the lifting frame, the ironing structure includes two groups of symmetrically arranged ironing components, the two groups of ironing components form a processing station for ironing and sending out the packaging bags, the ironing components include a heating roller, a driving motor 6, a swing frame 3, and a push rod motor 2, the lower end of the swing frame 3 is hinged on the lifting frame, the heating roller is rotatably arranged on the swing frame 3, the driving motor 6 is fixed on the swing frame 3, the output shaft of the driving motor 6 is transmission-connected to the heating roller, and a recovery structure for recovering the packaging bags is also arranged on the frame, and the recovery structure is located below the ironing structure; a clamping strip is fixed on the swing frame 3.

[0026] Guide plate 1 and guide plate 2 are fixed on the lifting frame, guide plate 1 and guide plate 2 form a channel and the upper ends of guide plate 1 and guide plate 2 form a bell mouth; arc-shaped guide plate 3 is fixed at the lower end of guide plate 2; the recovery structure includes push rod motor 3 and a recovery bucket, push rod motor 3 is fixed on the frame, and the recovery bucket is fixed on the push rod of push rod motor 3.

[0027] The transfer mechanism includes a rocker arm, a six-cylinder and a transfer plate. The lower end of the rocker arm is hinged to the frame, the upper end of the rocker arm is connected to the transfer plate, a pneumatic gripper capable of clamping the packaging bag is fixed on the transfer plate, the six-cylinder is hinged to the frame, and the end of the piston rod of the six-cylinder is hinged to the middle part of the rocker arm.

[0028] The cylinder 6 drives the swing rod to move back and forth, and the swing rod drives the transfer plate to move back and forth. The pneumatic gripper can transfer the packaging bag containing the rice dumplings at the upper and lower bag mechanisms to the sealing mechanism.

[0029] The sealing mechanism includes a second driving shaft, which is vertically arranged on the frame. The lower end of the second driving shaft is connected to a second driving structure that can drive it to rotate, and the upper end of the second driving shaft is connected to a rotating frame. A plurality of working boxes with take-in and put-out openings are fixed on the rotating frame, and the working boxes are evenly distributed. A box cover that can close the take-in and put-out openings is hinged on the working box, and the box cover is also connected to a cylinder seven that can swing it back and forth. A positioning structure for positioning the packaging bag is provided in the working box, a lower heating strip is fixed in the working box, an upper heating strip is fixed in the box cover, and a vacuum structure is provided on the frame.

[0030] Put the packaging bag containing the rice dumplings into the working box, position the packaging bag through the positioning structure, buckle the box cover onto the working box through cylinder seven, evacuate the inside of the packaging bag through the vacuum structure, and seal the bag opening through the upper heating strip and the lower heating strip.

[0031] The positioning structure includes a mounting strip, a fixed seat, a guide rod, a movable seat, a locking piece and a spring five. The mounting strip is fixed in the working box, the fixed seat is installed at one end of the mounting strip, the fixed seat is provided with an electric claw one capable of clamping one end of the packaging bag, the guide rod is fixed at the other end of the mounting strip, the movable seat is slidably arranged on the guide rod, the movable seat is provided with an electric claw two capable of clamping the other end of the packaging bag, the guide rod is provided with a plurality of recessed locking holes, the movable seat is provided with a mounting groove, the locking piece and the spring five are both arranged in the mounting groove, and the locking piece can be embedded in any locking hole under the elastic force of the spring five.

[0032] The two ends of the packaging bag can be clamped by the electric claws 1 and 2; and with the cooperation of the guide rod, the movable seat, the locking piece and the spring 5, the positioning operation of packaging of different types can be met.

[0033] The driving structure 2 includes a driving motor 7, a driving gear and a driven gear. The driving motor 7 is fixed on the frame, the driving gear is fixed on the end of the output shaft of the driving motor 7, and the driven gear is fixed on the lower end of the driving shaft 2, and the driven gear is meshed with the driving gear.

[0034] The frame is also provided with an adjustment structure, which includes a column and a lifting ring. A linkage rod is fixed on the movable seat. The column is fixed on the frame. The lifting ring is arranged on the column. The lifting ring is connected to a movable structure capable of moving it up and down. A plurality of base plates are fixed on the lifting ring, and the base plates are evenly distributed. A push rod motor four is fixed on the base plate. The push rod end of the push rod motor four is rotatably connected to a movable rod. A shift block is fixed to the end of the movable rod, and a shift guide groove matching the linkage rod is provided on the shifting block. A driving component capable of synchronously rotating the movable rod is also provided on the lifting ring.

[0035] The lifting ring is driven downward by the moving structure, the movable rod is driven to move by the push rod motor 4, the movable rod drives the shift block to move, so that the linkage rod is stuck in the shift guide groove, the linkage rod is driven to move back and forth by the driving assembly, and the linkage rod drives the movable seat to move back and forth along the guide rod, so that the positions of all the movable seats can be adjusted at one time, and the adjustment is fast.

[0036] The moving structure includes guide rail 2, slider 2 and cylinder 8, guide rail 2 is vertically fixed on the column, slider 2 is arranged on guide rail 2, cylinder 8 is fixed on the column, the piston rod end of cylinder 8 is connected to slider 2, and the lifting ring is connected to slider 2 through connecting rod 2.

[0037] The driving assembly includes a driving motor eight, a driving wheel, a gear ring and several gears three. The gear ring is installed on the lifting ring in an axially fixed and circumferentially rotating manner. The driving motor eight is fixed to the lifting ring through a mounting rod. The driving wheel is fixed to the end of the output shaft of the driving motor eight, and the driving wheel is meshed with the gear ring. The gear three is installed on the base plate in an axially fixed and circumferentially rotating manner, and the gear three is slidably matched with the movable rod. A circumferential limit sleeve for limiting the movable rod is also fixed on the gear three.

[0038] The driving motor eight drives the driving wheel to rotate, the driving wheel meshes with the ring gear, the ring gear meshes with the gear three, and the gear three causes the movable rod to rotate synchronously; and under the action of the circumferential limit sleeve, the gear three and the movable rod can rotate synchronously in the circumferential direction, and the movable rod can move axially relative to the gear three.

[0039] Compared with the prior art, the present rice dumpling packaging machine has the following advantages: through the feeding mechanism, the upper and lower bag mechanism, the transfer mechanism and the sealing mechanism, the rice dumplings can be packaged quickly and the production is fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a three-dimensional structural diagram of the feeding mechanism.

[0041] Figure 2 It is a three-dimensional structural diagram of the driving structure 1 in the feeding mechanism.

[0042] Figure 3 It is a three-dimensional structural diagram of the detection reversing structure in the feeding mechanism.

[0043] Figure 4 It is a planar structural diagram of the cleaning structure in the feeding mechanism.

[0044] Figure 5 It is a three-dimensional structural diagram of the lower structure of the feeding mechanism.

[0045] Figure 6 It is a schematic diagram of the three-dimensional structure of the material guide hopper in the feeding mechanism.

[0046] Figure 7 It is a three-dimensional structural diagram of the moving components in the feeding mechanism.

[0047] Figure 8 It is a schematic diagram of the planar structure of the upper bag mechanism in the upper and lower bag mechanism.

[0048] Fig. 9 It is a schematic diagram of the planar structure of the removed parts of the upper and lower bag mechanisms.

[0049] Fig.10 It is a planar structural diagram of the bag taking and sorting mechanism in the bag loading and unloading mechanism.

[0050] Fig.11It is a planar structural diagram of the transfer mechanism.

[0051] Fig.12 It is a three-dimensional structural schematic diagram of the sealing mechanism.

[0052] Fig.13 yes Fig.12 A partial enlarged view of point A in the middle.

[0053] Fig.14 It is a schematic diagram of the planar structure of the removed part of the sealing mechanism.

[0054] Fig.15 It is a schematic diagram of the three-dimensional structure of a portion of the sealing mechanism.

[0055] In the figure, 1, frame; 2, placement cup; 3, workbench; 4, discharge pipe; 5, valve; 6, water collection box; 7, bracket two; 8, cylinder three; 9, storage box; 10, push block; 11, bracket three; 12, column; 13, bracket one; 14, cylinder one; 15, mounting plate; 16, chain plate; 17, active pulley; 18, drive motor one; 19, belt; 20, driven pulley; 21, drive shaft one; 22, push rod; 23, spring two; 24, fixed block; 25, compensation guide strip; 26, arc limit strip; 27, detection head; 28, movable base rod; 29, spring one; 30, touch block; 31, travel switch; 32, reversing motor; 33, lifting plate; 34, rotating fork; 35, cylinder two; 36, barrier hood; 37, annular water spray pipe; 38, hot air blower; 39, drive motor 2; 40, water pipe; 41, water pump; 42, water tank; 43, cleaning brush; 44, auxiliary sheet; 45, outer track; 46, inner track; 47, spring 4; 48, card joint; 49, fixed base; 50, movable ring; 51, guide hopper; 52, spring 3; 53, slider 1; 54, guide rail 1; 56, one-way bearing 1; 57, gear 2; 58, one-way bearing 2; 59, gear 1; 60, rack 2; 61, rack 1; 62, rotating shaft; 63, drive motor 3; 64, heating roller; 65, drive motor 6; 66, swing frame 3; 67, push rod motor 2; 68, clamping strip; 69, guide plate 3; 70, push rod motor 3; 7 1. Recycling bucket; 72. Turntable; 73. Fixed assembly; 74. Guide rail; 75. Movable bracket; 76. Lifting bracket; 77. Cylinder 4; 78. Drive motor 4; 79. Swinging frame 1; 80. Suction cup; 81. Drive motor 5; 82. Swinging frame 2; 83. Cylinder 5; 84. Clamp 1; 85. Clamp 2; 86. Fixed frame; 87. Detection rod; 88. Detection plate; 89. Compression spring 1; 90. Compression spring 2; 91. Pressure sensor 1; 92. Pressure sensor 2; 93. Spring 4; 94. Push rod motor 1; 95. Lifting frame; 96. Guide plate 2; 97. Guide plate 1; 98. Cylinder 6; 99. Pneumatic gripper; 100. Transfer plate; 101. Swing rod; 102. Drive motor 7; 103. Main Moving gear; 104, driven gear; 105, rotating frame; 106, driving shaft 2; 107, box cover; 108, working box; 109, mounting strip; 110, fixed seat; 111, electric claw 1; 112, electric claw 2; 113, linkage rod; 114, movable seat; 115, guide rod; 116, lower heating strip; 117, upper heating strip; 118, cylinder 7; 119, column; 120, lifting ring; 121, connecting rod 2; 122, cylinder 8; 123, slider 2; 124, guide rail 2; 125, driving motor 8; 126, driving wheel; 127, gear ring; 128, shifting block; 129, gear 3; 130, movable rod; 131, push rod motor 4; 132, base plate; 133, circumferential limit sleeve;134. Roller. ; DETAILED DESCRIPTION

[0056] like Figure 1-Figure 15 As shown, the rice dumpling packaging machine includes a frame 1, on which a feeding mechanism, an upper and lower bag mechanism, a transfer mechanism and a sealing mechanism are arranged.

[0057] The feeding mechanism includes a workbench 3, which is fixed on a frame 1. An inner track 46 and an outer track 45 for guiding are fixed on the workbench 3. A plurality of placement cups 2 for placing zongzi are slidably arranged between the inner track 46 and the outer track 45. The number of the placement cups 2 is thirty. The placement cups 2 have four limiting openings for being clamped between the inner track 46 and the outer track 45, and the four limiting openings form a square. A driving structure 1 that can drive the placement cups 2 to move is arranged on the frame 1. A detection reversing structure and a zongzi lowering structure are arranged on the workbench 3.

[0058] The rice dumplings in the storage box 9 are placed in the placement cup 2 as required, and the driving motor 18 drives the active pulley 17 to rotate, and the active pulley 17 drives the driven pulley 20 to rotate through the belt 19, and the driven pulley 20 drives the driving shaft 21 to rotate, and the driving shaft 21 drives the chain plate 16 to rotate. As the chain plate 16 rotates, the chain plate 16 moves the placement cup 2, and the gear 59 is driven by the driving motor 3 63 to rotate forward, and the gear 59 is meshed with the rack 1 61, that is, first the half gear body 1 is meshed with one of the tooth portions 1, then the half gear body 2 is meshed with the tooth portion 2, and finally, the gear body 1 is meshed with the other tooth portion 1, so that the slider 53 drives the push block 10 to move downward at a speed from slow to fast and then to slow, and the push block 10 pushes the rice dumplings downward into the packaging bag, thereby realizing the feeding operation of the rice dumplings.

[0059] Place the rice dumpling vertically into the placement cup 2, so that the two lower corners of the rice dumpling are inserted into the two opposite corners of the placement cup 2, and the two upper corners of the rice dumpling are inserted into the other two opposite corners of the placement cup 2, so that the rice dumpling can be smoothly sent into the packaging bag. When the rice dumpling enters the packaging bag, the line connecting the two lower corners of the rice dumpling needs to be consistent with the width direction of the packaging bag.

[0060] The driving structure 1 includes a chain plate 16, a driving shaft 21, a driving motor 18, a driving pulley 17, a driven pulley 20 and a belt 19. The driving shaft 21 is vertically rotatably arranged on the frame 1. The upper end of the driving shaft 21 is connected to the chain plate 16, and the lower end of the driving shaft 21 is connected to the driving pulley 17. The driving motor 18 is fixed to the frame 1, and the driving motor 18 is fixed to the frame 1 by bolt connection; the output shaft of the driving motor 18 is vertically upward, and the output shaft end of the driving motor 18 is connected to the driven pulley 20, and the belt 19 is sleeved between the driving pulley 17 and the driven pulley 20.

[0061] The detection and reversing structure includes a bracket 13, a cylinder 14, a cylinder 2 35, a reversing motor 32, a rotating fork 34, a movable base rod 28, a travel switch 31 and a mounting plate 15. The bracket 13 is fixed on the workbench 3, the cylinder 14 is fixed on the bracket 13, and the cylinder 14 is fixed on the bracket 13 by bolt connection; the piston rod of the cylinder 14 is vertically downward, the piston rod end of the cylinder 14 is connected to the lifting plate 33, the travel switch 31 is fixed on the lifting plate 33, the movable base rod 28 is vertically arranged on the bracket 13, the lower end of the movable base rod 28 is connected to the detection head 27, the upper end of the movable base rod 28 is connected to the touch block 30, and the touch block 30 can contact the travel switch 31, and the movable base rod 28 is also sleeved with a spring Spring 1 29, the upper end of spring 1 29 is connected to the lifting plate 33, the lower end of spring 1 29 is connected to the detection head 27, the reversing motor 32 is fixed on the lifting plate 33, and the reversing motor 32 is fixed to the lifting plate 33 by bolt connection; and the reversing motor 32 is located between the cylinder 14 and the movable base rod 28, the output shaft end of the reversing motor 32 is connected to the rotating fork 34, and the outer track 45 also has a notch, the mounting plate 15 is fixed on the workbench 3, and the mounting plate 15 is located on the side of the notch, the cylinder 2 35 is fixed on the workbench 3, and the cylinder 2 35 is fixed to the workbench 3 by bolt connection; and the piston rod of the cylinder 2 35 is horizontally arranged, and the piston rod end of the cylinder 2 35 is fixed with a compensation guide bar 25 matching the notch.

[0062] The workbench 3 also has an auxiliary component, which includes an arc-shaped limit strip 26 and a plurality of fixed blocks 24. The plurality of fixed blocks 24 are installed on the chain disk 16, and the fixed blocks 24 are evenly distributed. A push rod 22 that can abut against the placement cup 2 is horizontally arranged in the fixed block 24, and a spring 23 is also installed between the push rod 22 and the fixed block 24. The arc-shaped limit strip 26 is fixed on the mounting plate 15, and the arc-shaped limit strip 26 can abut against the placement cup 2; after the cylinder 2 35 drives the compensation guide bar 25 to move away from the outer track 45, under the action of the spring 23, the push rod 22 causes the placement cup 2 at this location to be separated from the inner track 46, and is limited by the arc-shaped limit strip 26, so that the placement cup 2 can be easily rotated and reversed.

[0063] The workbench 3 is provided with a cleaning structure capable of cleaning the placed cup 2, the cleaning structure comprising a bracket 27, a cleaning brush 43, a barrier cover 36, a water tank 42, an annular water spray pipe 37, a cylinder 38 and a hot air blower 38. The bracket 27 is fixed on the workbench 3, and the bracket 27 is fixed to the workbench 3 by bolt connection; the cylinder 38 is fixed to the bracket 27, and the cylinder 38 is fixed to the bracket 27 by bolt connection; the piston rod of the cylinder 38 is vertically downward, the barrier cover 36 is fixed to the end of the piston rod of the cylinder 38, the cleaning brush 43 is vertically rotatably arranged in the barrier cover 36, the cleaning brush 43 is connected to a driving motor 2 39 that can drive it to rotate, and the annular water spray pipe 37 is connected to the driving motor 2 39 that can drive it to rotate. 7 is installed in the barrier cover 36, the annular water spray pipe 37 is provided with a plurality of water outlet holes, the annular water spray pipe 37 is connected with the water tank 42 through the water pipe 40, the water tank 42 is fixed on the bracket 2 7, the water pump 41 is arranged on the water pipe 40, the hot air blower 38 is fixed on the bracket 2 7, and the air outlet of the hot air blower 38 is tilted downward; a plurality of strip through grooves are opened on the workbench 3; a water collecting box 6 is also fixed on the workbench 3, and the water collecting box 6 is located directly below the strip through grooves; used water can be collected by the water collecting box 6; the water collecting box 6 is also connected to the discharge pipe 4, and the discharge pipe 4 is provided with a valve 5; a storage box 9 is also fixed on the workbench 3; the rice dumplings can be placed in the storage box 9.

[0064] The rice dumpling unloading structure includes a bracket three 11, a pushing block 10 and a material guiding hopper 51. The workbench 3 is provided with a material unloading port for unloading rice dumplings. The material guiding hopper 51 is fixed at the material unloading port. The bracket three 11 is fixed on the workbench 3. The bracket three 11 is fixed to the workbench 3 by bolt connection; and the bracket three 11 is close to the material unloading port. The pushing block 10 is arranged on the bracket three 11. The pushing block 10 is connected to a moving component that can move it up and down, and the pushing block 10 can extend into the material guiding hopper 51.

[0065] The moving assembly includes a column 12, a guide rail 154, a slider 153, a rack 161, a rack 260, a gear 159, a gear 257 and a drive motor 363. The column 12 is fixed on the bracket 311. The guide rail 154 is vertically fixed on the column 12. The slider 153 is arranged on the guide rail 154. The rack 161 and the rack 260 are vertically fixed on the column 12. The rack 161 has two tooth parts 1 and one rack part 2. The tooth part 2 is distributed between the two tooth parts 1. The drive motor 363 is fixed on the slider 153. The drive motor 363 is fixed to the slider 153 by bolt connection. The output shaft of the drive motor 363 It is vertically arranged, and the output shaft end of the driving motor three 63 is connected to the rotating shaft 62. The gear one 59 is installed on the rotating shaft 62 through a one-way bearing one 56. The gear one 59 includes a half gear body one and a half gear body two. The gear one 59 adopts an existing product available on the market. The number of teeth of the half gear body one is less than the number of teeth of the half gear body two. The half gear body one is meshed with the tooth part one, and the half gear body two is meshed with the tooth part two. The gear two 57 is installed on the rotating shaft 62 through a one-way bearing two 58. The number of teeth of the gear two 57 is greater than the number of teeth of the gear one 59. The gear two 57 is meshed with the rack two 60. The push block 10 is connected to the slider one 53 through the connecting rod one.

[0066] A movable ring 50 is also slidably provided on the material guide hopper 51, and a plurality of springs 52 are installed between the movable ring 50 and the material guide hopper 51, and the number of springs 52 is three; four auxiliary pieces 44 are hinged on the movable ring 50, and the cross-section of the auxiliary pieces 44 is V-shaped, and springs 47 are connected between the connected auxiliary pieces 44 through detachable components, and an elastic stopper is fixed on the inner side of the lower end of the auxiliary piece 44.

[0067] The detachable component includes a card joint 48 and a fixed base 49 with a card groove. The fixed base 49 is fixed in the middle of the auxiliary plate 44. The card joint 48 is inserted and fixed in the card groove. The card joint 48 is connected to the end of the spring four 47. The spring four 47 can be easily installed or replaced through the card joint 48 and the fixed base 49.

[0068] The bag loading and unloading mechanism includes a turntable 72, which is arranged on the frame 1. A plurality of fixing components 73 for fixing packaging bags are fixed in a circumferential array on the turntable 72. The frame 1 is sequentially provided with a bag loading mechanism for inputting packaging bags into the fixing components 73, a detection mechanism for detecting the position of rice dumplings entering the packaging bag, and a bag taking and sorting mechanism for recovering packaging bags without rice dumplings.

[0069] The packaging bag is placed in the bag loading mechanism, and the packaging bag is fixed on the fixing components 73 in sequence through the cooperation of the fixing components 73 on the turntable 72 of the bag loading mechanism. The fixing components 73 can fix the two sides of the bag opening of the packaging bag and open the bag opening. Then, after the rice dumplings are placed in the packaging bag, the detection mechanism is used to detect whether the rice dumplings are placed in the packaging bag. The packaging bag without rice dumplings is sent to the bag taking and sorting mechanism. After the packaging bag is sorted by the bag taking and sorting mechanism, the design can prevent the empty bag without rice dumplings from being vacuum compressed and packaged, or the rice dumplings stuck in the bag opening from being crushed, which greatly reduces the problems of rice dumplings being crushed and packaging bags being wasted; the fixing components 73 are driven to rotate by the turntable 72, so that the packaging bag with the bag opening opened on the fixing components 73 is located in the material guide hopper 51, and the rice dumplings placed at the cup 2 are pushed into the packaging bag under the action of the pushing block 10.

[0070] The bag loading mechanism includes a support assembly for storing packaging bags, and the support assembly includes a guide rail 74, a movable bracket 75, a lifting bracket 76 and a cylinder 77. The guide rail 74 is fixed on the frame 1, the movable bracket 75 is slidably set on the guide rail 74, the cylinder 77 is fixed on the frame 1, and the lifting bracket 76 is fixed on the piston rod of the cylinder 77, wherein the movable bracket 75 is provided with a clamping opening adapted for the lifting bracket 76 to be clamped in, the movable bracket 75 has a first placement surface, and the lifting bracket 76 has a second placement surface. After the lifting bracket 76 is clamped in the clamping opening, the first placement surface and the second placement surface are in the same horizontal plane; the frame 1 is provided with a lifting assembly for sucking up the bag opening of the packaging bag in the support assembly and a bag taking assembly for clamping the bag opening and taking the packaging bag out of the support assembly.

[0071] The packaging bag is placed on the lifting bracket 76, and then the lifting bracket 76 is driven to rise and abut against the movable bracket 75 by the cylinder 4 77, and the movable bracket 75 is manually dragged and pulled out, and then driven by the cylinder 4 77, the lifting bracket 76 continues to rise and drives the packaging bag to rise. At this time, the movable bracket 75 is manually pushed in, the movable bracket 75 is reset, and the first prevention surface on the movable bracket 75 continues to support the packaging bag again, and the lifting bracket 76 can be lowered under the drive of the cylinder 4 77 to put a new packaging bag, and the holding belt on the movable bracket 75 can, under the action of the opening component, suck up the packaging bag buckle to separate the uppermost packaging bag from the bag below it, and then take the bag out under the action of the bag taking component; the present invention can continuously put in new packaging bags without affecting the continuous production of the equipment, and is convenient for bagging; the movable bracket 75 is provided with two baffles 1, and the lifting bracket 76 is provided with a lifting baffle 2, and the lifting baffle 2 can be stuck between the two baffles 1. Baffle plate 1 and lifting baffle plate 2 can prevent the packaging bag from falling out; the movable bracket 75 has an arc-shaped guide portion; when the movable bracket 75 is reinserted into the lifting bracket 76, the arc-shaped guide portion avoids collision with the packaging bag and can play a guiding role when contacting the packaging bag.

[0072] The opening assembly includes a driving motor 4 78, a swing frame 1 79 and a plurality of suction cups 80. The driving motor 4 78 is fixed on the frame 1, the swing frame 1 79 is fixed on the output shaft of the driving motor 4 78, and the suction cups 80 are fixed on the swing frame 1 79. When the driving motor 4 78 is started, the swing frame 1 79 is driven to rotate, and the swing frame 1 79 drives the suction cups 80 to move. The suction cups 80 suck the packaging bag, and then the swing frame 1 79 is lifted upward, driving the bag mouth of the packaging bag to move upward.

[0073] The bag taking assembly includes a driving motor 5 81, a swing frame 2 82, a cylinder 5 83, a clamp 1 84 and a clamp 2 85. The driving motor 5 81 is fixed on the frame 1, the swing frame 2 82 is fixed on the output shaft of the driving motor 5 81, the clamp 1 84 and the cylinder 5 83 are fixed on the frame 1, the clamp 2 85 is fixed on the piston rod of the cylinder 5 83, and the clamp 1 84 and the clamp 2 85 form an entrainment station. The driving motor 5 81 is started, driving the swing frame 2 82 to swing, and the swing frame 2 82 drives the clamping plate 1 84 and the clamping plate 2 85 to move to the bag mouth of the packaging bag, and then the cylinder 5 83 is started, driving the clamping plate 2 85 to approach the clamping plate 1 84 and clamp the bag mouth of the packaging bag, and then the swing frame 2 82 swings to take out the packaging bag; the clamping plate 1 84 and the clamping plate 2 85 are provided with rotatable balls; after the packaging bag is clamped by the clamping plate 1 84 and the clamping plate 2 85, the position of the packaging bag on the clamping plate 1 84 and the clamping plate 2 85 is manually adjusted. When the clamping plate 1 84 and the clamping plate 2 85 clamp the packaging bag, they only clamp the two ends of the packaging bag. When the suction cup 80 sucks up, the bag mouth will be in a slightly open state. When clamping, it will still remain in an open state to be taken out.

[0074] The detection mechanism includes a fixed frame 86, which is fixed on the frame 1. A detection rod 87 and a detection plate 88 are hinged on the fixed frame 86. The detection rod 87 is connected to the fixed frame 86 through a compression spring 89, and the detection plate 88 is connected to the fixed frame 86 through a compression spring 90. A pressure sensor 1 91 and a pressure sensor 2 92 are provided on the fixed frame 86. When the detection rod 87 is squeezed, it can rest on the pressure sensor 1 91, and when the detection plate 88 is squeezed, it can rest on the pressure sensor 2 92.

[0075] The packaging bag is fixed by the fixing component 73. When the rice dumplings are stuffed into the packaging bag, there are three states of the rice dumplings. The first state is that the rice dumplings are completely entered into the packaging bag. When passing through the detection rod 87 and the detection plate 88, the detection plate 88 is subjected to pressure, and the detection rod 87 is not subjected to pressure, that is, the rice dumplings are completely entered; the second state is that the rice dumplings are stuck at the bag opening. When passing through the detection rod 87 and the detection plate 88, the detection plate 88 is not subjected to pressure, and the detection rod 87 is subjected to pressure; the third state is that the rice dumplings have not entered the packaging bag, and the detection plate 88 and the detection rod 87 are not subjected to pressure. ; Through the detection plate 88 and the detection rod 87, the state of the rice dumpling entering the packaging bag can be detected, and an empty bag can be avoided; the fixing assembly 73 is a prior art; the end of the detection rod 87 has an arc-shaped portion 1; through the arc-shaped portion 1, the packaging bag can be effectively avoided from being scratched after contacting with the packaging bag; the end of the detection plate 88 has an arc-shaped portion 2; through the arc-shaped portion 2, the packaging bag can be effectively avoided from being scratched after contacting with the packaging bag; the pressure sensor 1 91 and the pressure sensor 2 92 are connected to the fixing frame 86 through the spring 4 93. After the detection rod 87 and the detection plate 88 are pressed and squeezed to the pressure sensor 1 91 and the pressure sensor 2 92, the pressure sensor 1 91 and the pressure sensor 2 92 will also be displaced through the spring 4 93; to avoid the rice dumpling being stuck when passing through the detection rod 87 and the detection plate 88 due to the change in volume.

[0076] The bag taking and sorting mechanism includes a push rod motor 94 fixed on the frame 1, a lifting frame 95 is fixed on the push rod of the push rod motor 94, and an ironing structure for ironing the packaging bag is arranged on the lifting frame. The ironing structure includes two groups of symmetrically arranged ironing components, and the two groups of ironing components form a processing station for ironing and sending the packaging bag. The ironing component includes a heating roller 64, a driving motor 65, a swing frame 3 66, and a push rod motor 2 67. The lower end of the swing frame 3 66 is hinged on the lifting frame 95, the heating roller 64 is rotatably arranged on the swing frame 3 66, the driving motor 65 is fixed on the swing frame 3 66, and the output shaft of the driving motor 65 is connected to the heating roller 64 by transmission. A recycling structure for recycling the packaging bag is also arranged on the frame 1, and the recycling structure is located below the ironing structure; when the rice dumplings are put into the packaging bag, there may be rice dumplings that have not entered the packaging bag. At this time, the empty bag needs to be removed. In order to facilitate the next use, the packaging bag needs to be flattened and recycled again; the packaging bag The package is fixed by the fixing assembly 73. Before the rice dumpling enters the packaging, it moves to the lifting frame 95. The push rod motor 1 94 drives the lifting frame 95 to rise. Then the push rod motor 2 67 drives the swing frame 3 66 to swing and clamps the lower end through the heating rollers 64 in the two sets of symmetrical ironing assemblies. At this time, the heating rollers 64 are in a heated state. Then the fixing assembly 73 is released and the driving motor 65 is started to drive the heating rollers 64 to rotate. The heating rollers 64 transport the packaging bag downward and roll and iron it. Then the packaging bag enters the recycling structure for recycling; a clamping strip 68 is fixed on the swinging frame 3 66; the clamping strip 68 on the swinging frame 3 66 can make the packaging bag in a vertical state, and the clamping strips 68 on the two swinging frames 3 66 will not contact, and the two clamping strips 68 form a conveying channel; a guide plate 1 97 and a guide plate 2 96 are fixed on the lifting frame 95. The guide plates 1 97 and 106 form a channel and the upper ends of the guide plates 1 97 and 106 form a trumpet. After the lower end of the packaging bag enters between guide plate 1 97 and guide plate 2 96, the lower part of the packaging bag is calibrated through the bell mouth so that the lower end of the packaging bag accurately enters between the two heating rollers 64; the lower end of guide plate 2 96 is fixed with an arc-shaped guide plate 3 69; the packaging bag can be output through guide plate 3 69.

[0077] The recycling structure includes a push rod motor 3 70 and a recycling bucket 71. The push rod motor 3 70 is fixed on the frame 1, and the recycling bucket 71 is fixed on the push rod of the push rod motor 3 70. After the packaging bags continuously enter the recycling bucket 71, the push rod motor 3 70 adjusts the height of the recycling bucket 71 so that the packaging bags can enter smoothly. The recycling bucket 71 is tilted and fixed on the push rod of the push rod motor 3 70. This design enables the packaging bags to be neatly stacked after entering the recycling bucket 71.

[0078] The transfer mechanism includes a rocker arm 101, a cylinder 698 and a transfer plate 100. The lower end of the rocker arm 101 is hinged to the frame 1, and the upper end of the rocker arm 101 is connected to the transfer plate 100. A pneumatic gripper 99 capable of clamping a packaging bag is fixed on the transfer plate 100. The cylinder 698 is hinged to the frame 1, and the piston rod end of the cylinder 698 is hinged to the middle part of the rocker arm 101. The rocker arm 101 is driven back and forth by the cylinder 698, and the rocker arm 101 drives the transfer plate 100 to move back and forth. The pneumatic gripper 99 can transfer the packaging bag containing zongzi at the upper and lower bag mechanism to the sealing mechanism, that is, transfer the packaging bag containing zongzi on the fixed component 73 to the working and 108.

[0079] The sealing mechanism includes a second drive shaft 106, which is vertically arranged on the frame 1. The lower end of the second drive shaft 106 is connected to a driving structure 2 that can drive it to rotate. The upper end of the second drive shaft 106 is connected to a rotating frame 105. A plurality of working boxes 108 with access ports are fixed on the rotating frame 105. The number of working boxes 108 is three; and the working boxes 108 are evenly distributed. A box cover 107 that can close the access port is hinged on the working box 108. The box cover 107 also It is connected to a cylinder 7 118 which can make it swing back and forth. The working box 108 has a positioning structure for positioning the packaging bag. A lower heating strip 116 is fixed in the working box 108, and the lower heating strip 116 is fixed in the working box 108 by bolt connection; an upper heating strip 117 is fixed in the box cover 107, and the upper heating strip 117 is fixed in the box cover 107 by bolt connection; a vacuum structure is arranged on the frame 1, and the vacuum structure adopts the existing technology.

[0080] Put the packaging bag containing rice dumplings into the working box 108, and clamp the two ends of the packaging bag by electric claws 111 and 112. The box cover 107 is buckled onto the working box 108 by cylinder 7 118. The packaging bag is vacuumed by the vacuum structure, and the bag mouth of the packaging bag is sealed by the upper heating strip 117 and the lower heating strip 116. The operation is simple.

[0081] The positioning structure includes a mounting strip 109, a fixed seat 110, a guide rod 115, a movable seat 114, a locking piece and a spring five. The mounting strip 109 is fixed in the working box 108, the fixed seat 110 is installed at one end of the mounting strip 109, the fixed seat 110 is provided with an electric claw 111 capable of clamping one end of the packaging bag, the guide rod 115 is fixed at the other end of the mounting strip 109, the movable seat 114 is slidably arranged on the guide rod 115, the movable seat 114 is provided with an electric claw 2 112 capable of clamping the other end of the packaging bag, the guide rod 115 is provided with a plurality of recessed locking holes, the number of the locking holes is five; the movable seat 114 is provided with a mounting groove, the locking piece and the spring five are both arranged in the mounting groove, and the locking piece can be embedded in any locking hole under the elastic force of the spring five; and with the cooperation of the guide rod 115, the movable seat 114, the locking piece and the spring five, the positioning operation of different types of packaging can be satisfied.

[0082] The driving structure 2 includes a driving motor 7 102, a driving gear 103 and a driven gear 104. The driving motor 7 102 is fixed on the frame 1, and the output shaft of the driving motor 7 102 is vertically upward. The driving gear 103 is fixed to the end of the output shaft of the driving motor 7 102, and the driven gear 104 is fixed to the lower end of the driving shaft 2 106, and the driven gear 104 is meshed with the driving gear 103.

[0083] The frame 1 is also provided with an adjustment structure, which includes a column 119 and a lifting ring 120. A linkage rod 113 is fixed on the movable seat 114. The column 119 is fixed on the frame 1, and the column 119 is fixed on the frame 1 by welding; the lifting ring 120 is arranged on the column 119, and the lifting ring 120 is connected to a movable structure that can move it up and down. A plurality of base plates 132 are fixed on the lifting ring 120, and the number of base plates 132 is three; and the base plates 132 are evenly distributed, and a push rod motor 4 131 is fixed on the base plate 132. The push rod of the push rod motor 4 131 is horizontally arranged, and the push rod end of the push rod motor 4 131 is rotatably connected to the movable rod 130, and the end of the movable rod 130 is fixed with a shift block 128, and the shift block 128 has a shift guide groove that cooperates with the linkage rod 113. The lifting ring 120 is also provided with a driving component that can make the movable rod 130 rotate synchronously.

[0084] The slider 2 123 is driven by the cylinder 8 122 to move downward along the guide rail 2 124, and the slider 2 123 drives the lifting ring 120 to move downward through the connecting rod 2 121, and the movable rod 130 is driven to move by the push rod motor 4 131, and the movable rod 130 drives the shift block 128 to move, so that the linkage rod 113 is stuck in the shift guide groove, and the driving motor 8 125 drives the driving wheel 126 to rotate, and the driving wheel 126 is meshed with the ring gear 127, and the ring gear 127 is meshed with the gear three 129, and the gear three 129 makes the movable rod 130 rotate synchronously, and the movable rod 130 makes the linkage rod 113 move back and forth, and the linkage rod 113 drives the movable seat 114 to move back and forth along the guide rod 115, so that the positions of all the movable seats 114 can be adjusted at one time.

[0085] The moving structure includes a guide rail 124, a slider 123 and a cylinder 122. The guide rail 124 is vertically fixed on the column 119, the slider 123 is arranged on the guide rail 124, the cylinder 122 is fixed on the column 119, the piston rod of the cylinder 122 is vertically downward, the end of the piston rod of the cylinder 122 is connected to the slider 123, and the lifting ring 120 is connected to the slider 123 through the connecting rod 121.

[0086] The driving assembly includes a driving motor 8 125, a driving wheel 126, a ring gear 127 and a plurality of gear threes 129, the number of gear threes 129 is three; the ring gear 127 is installed on the lifting ring 120 in an axially fixed and circumferentially rotating manner, the driving motor 8 125 is fixed to the lifting ring 120 through a mounting rod, the output shaft of the driving motor 8 125 is horizontally arranged, the driving wheel 126 is fixed to the end of the output shaft of the driving motor 8 125, and the driving wheel 126 is meshed with the ring gear 127, the gear three 129 is installed on the base plate 132 in an axially fixed and circumferentially rotating manner, and the gear three 129 is slidably matched with the movable rod 130, and a circumferential limiting sleeve 133 for limiting the movable rod 130 is also fixed on the gear three 129; the driving motor 8 125 is a brake motor; a plurality of rollers 134 are installed at the toggle guide groove.

[0087] A controller is also fixed on the frame 1. The controller adopts a single-chip microcomputer available on the market. The programs for controlling the motor, cylinder, travel switch and sensor adopt existing ones and do not need to be re-edited. The connection circuit also adopts existing ones.

[0088] The above components are all common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

Claims

1. A rice dumpling packaging machine, comprising a frame, characterized in that: The frame is provided with a feeding mechanism, a bag loading and unloading mechanism, a transfer mechanism and a sealing mechanism; the feeding mechanism includes a workbench, which is fixed on the frame, and an inner track and an outer track for guiding are fixed on the workbench, and a plurality of placement cups for placing zongzi are slidably arranged between the inner track and the outer track, and the placement cups are provided with four limiting openings for being clamped between the inner track and the outer track, and the four limiting openings form a square, a driving structure 1 capable of driving the placement cups to move is arranged on the frame, and a detection reversing structure and a zongzi lowering structure are arranged on the workbench; the detection reversing structure includes a bracket 1, a cylinder 1, a cylinder 2, a reversing motor, a rotating fork, a movable base rod, and a travel switch and mounting plate, bracket one is fixed on the workbench, cylinder one is fixed on bracket one, the piston rod end of cylinder one is connected to the lifting plate, the travel switch is fixed on the lifting plate, the movable base rod is vertically arranged on bracket one, the lower end of the movable base rod is connected to the detection head, the upper end of the movable base rod is connected to the touch block, and the touch block can contact the travel switch, and a spring one is also sleeved on the movable base rod, the reversing motor is fixed on the lifting plate, and the reversing motor is located between cylinder one and the movable base rod, the output shaft end of the reversing motor is connected to the rotating fork, and a notch is also provided on the outer track, the mounting plate is fixed on the workbench, and the mounting plate is located on the side of the notch, cylinder two is fixed on the workbench, and the movable A compensating guide bar matching the notch is fixed to the end of the plug rod; the dumpling lowering structure includes a bracket three, a pushing block and a material guiding hopper; a material discharging port for dumpling is provided on the workbench, and the material guiding hopper is fixed at the material discharging port; the bracket three is fixed on the workbench, and the bracket three is close to the material discharging port; the pushing block is arranged on the bracket three, and the pushing block is connected to a moving component capable of moving it up and down, and the pushing block can extend into the material guiding hopper; the moving component includes a column, a guide rail one, a slider one, a rack one, a rack two, a gear one, a gear two and a driving motor three; the column is fixed on the bracket three, the guide rail one is vertically fixed on the column, the slider one is arranged on the guide rail one, and the rack one and the rack two are vertically fixed on the bracket three. The gear is fixed on the column, the rack has two tooth parts 1 and one rack part 2, the tooth part 2 is distributed between the two tooth parts 1, the driving motor 3 is fixed on the slider 1, the output shaft end of the driving motor 3 is connected to the rotating shaft, the gear 1 is installed on the rotating shaft through a one-way bearing 1, the gear 1 includes a half gear body 1 and a half gear body 2, the number of teeth of the half gear body 1 is less than the number of teeth of the half gear body 2, the half gear body 1 is meshed with the tooth part 1, the half gear body 2 is meshed with the tooth part 2, the gear 2 is installed on the rotating shaft through a one-way bearing 2, the number of teeth of the gear 2 is greater than the number of teeth of the gear 1, the gear 2 is meshed with the rack 2, and the push block is connected to the slider 1 through a connecting rod 1;When the position of the zongzi in the placement cup is incorrect, the lifting plate is driven downward by the cylinder 1, and the lifting plate drives the movable base rod to move downward, and the movable base rod drives the detection head to move downward, and the detection head contacts the two corners on the zongzi, the spring 1 is compressed, and the touch block contacts the travel switch, and it is known that the position of the zongzi in the placement cup is incorrect. After the placement cup moves to the right below the rotating fork, the compensation guide bar is driven by the cylinder 2 to make it away from the outer track, and the reversing motor is controlled to drive the rotating fork to rotate, and the rotating fork drives the placement cup to rotate 90 degrees, and the compensation guide bar is driven by the cylinder 2 to make it close to the outer track, so that the outer track re-forms a complete structure, and the placement cup can be detected and reversed. ; 2. The rice dumpling packaging machine according to claim 1, characterized in that: The transfer mechanism includes a rocker arm, a six-cylinder and a transfer plate. The lower end of the rocker arm is hinged to the frame, the upper end of the rocker arm is connected to the transfer plate, a pneumatic gripper capable of clamping the packaging bag is fixed on the transfer plate, the six-cylinder is hinged to the frame, and the end of the piston rod of the six-cylinder is hinged to the middle part of the rocker arm.

3. The rice dumpling packaging machine according to claim 1, characterized in that: The sealing mechanism includes a second driving shaft, which is vertically arranged on the frame. The lower end of the second driving shaft is connected to a second driving structure that can drive it to rotate, and the upper end of the second driving shaft is connected to a rotating frame. A plurality of working boxes with take-in and put-out openings are fixed on the rotating frame, and the working boxes are evenly distributed. A box cover that can close the take-in and put-out openings is hinged on the working box, and the box cover is also connected to a cylinder seven that can swing it back and forth. A positioning structure for positioning the packaging bag is provided in the working box, a lower heating strip is fixed in the working box, an upper heating strip is fixed in the box cover, and a vacuum structure is provided on the frame.

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