An automatic weighing noodle packaging machine

Abstract

The present invention discloses an automatic weighing noodle packaging machine, which relates to the technical field of mechanical equipment and includes a noodle cutting device. The noodle cutting device includes an upper base, on which a motor is fixedly installed, and a spiral cylinder is fixedly installed on the upper base. A spiral shaft is rotatably installed on the spiral cylinder, and a plurality of noodle outlets are provided at the lower end of the spiral cylinder. A main shaft is fixedly installed on the output shaft of the motor, and the main shaft is connected to the spiral shaft through an upper belt group. An installation plate is fixedly installed on the upper base, and a driving bevel gear is fixedly installed on the main shaft. A transmission is fixedly installed on the installation plate, and a driven bevel gear is fixedly installed at the input end of the transmission. The driven bevel gear and the driving bevel gear form a gear engagement, and an output shaft is installed on the transmission. The output shaft is rotatably installed on the installation plate. The present invention can realize automatic extrusion of noodles and batch cutting and automatic packaging of the extruded noodles.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical equipment, and particularly relates to a noodle packaging machine with automatic weighing. Background Art

[0002] The noodles we eat in our daily life are usually packaged manually. First, the noodles need to be weighed portion by portion, then straightened, the packaging bag is manually opened, and then the noodles are put into the packaging bag. Such a series of manual packaging methods are time-consuming and laborious, and the work efficiency is low. Therefore, the improvement of noodle packaging is a problem to be solved at present.

[0003] The patent application of the invention with the publication number of CN111319811A discloses a full-automatic noodle packaging machine, which includes a control system and a horizontal conveying mechanism, a vertical conveying mechanism, a noodle alignment mechanism, a double-direction bag pulling mechanism and a noodle output mechanism connected to the control system; the horizontal conveying mechanism includes a conveying chain for conveying noodles, the vertical conveying mechanism includes a vertical conveying chain, and a plurality of buckets for loading noodles are evenly arranged on the vertical conveying chain. The buckets are connected to the noodle alignment mechanism, and the noodle alignment mechanism is connected to the noodle output mechanism. The control system is also connected to an operation panel. The beneficial effects are: under the control of the control system, the horizontal conveying mechanism and the vertical conveying mechanism are driven to convey and weigh the noodles, the noodle alignment mechanism aligns the noodles left and right, the double-direction bag pulling mechanism opens the packaging bag to facilitate loading of the noodles, and the noodle output mechanism conveys the packaged noodles out. Although this invention can realize the full-automatic production of noodles and solve the problem of low efficiency of traditional manual bag pulling, it cannot solve the problem of automatically collecting and packaging the noodles after they are automatically extruded and cut to a fixed length. Summary of the Invention

[0004] To solve the above technical problems, the technical solution adopted by the present invention is: a noodle packaging machine with automatic weighing, including a noodle cutting device.

[0005] The cutting device includes an upper base on which a motor is fixedly installed. A spiral cylinder is fixedly installed on the upper base. A spiral shaft is rotatably installed on the spiral cylinder. Multiple noodle outlets are provided at the lower end of the spiral cylinder. A main shaft is fixedly installed on the output shaft of the motor. The main shaft and the spiral shaft are connected by an upper belt group. An installation plate is fixedly installed on the upper base. A driving bevel gear is fixedly installed on the main shaft. A transmission is fixedly installed on the installation plate. A driven bevel gear is fixedly installed at the input end of the transmission. The driven bevel gear and the driving bevel gear form a gear engagement. An output shaft is installed on the transmission. The output shaft is rotatably installed on the installation plate. A first-stage gear is rotatably installed on the installation plate. A reversing belt is installed on the first-stage gear and the output shaft. The output shaft, the reversing belt, and the first-stage gear form a belt connection. A second-stage gear is rotatably installed on the installation plate. The second-stage gear and the first-stage gear form a gear engagement. A third-stage gear is rotatably installed on the installation plate. The third-stage gear and the second-stage gear form a gear engagement. A left-end sliding shaft is slidably installed on the first-stage gear. A right-end sliding shaft is slidably installed on the third-stage gear. A left-end gear is rotatably installed on the installation plate. A left-end contact wheel is fixedly installed on the left-end gear. A right-end gear is rotatably installed on the installation plate. A right-end contact wheel is fixedly installed on the right-end gear. The left-end contact wheel and the left-end sliding shaft form a fit. The right-end contact wheel and the right-end sliding shaft form a fit. A lead screw is fixedly installed on the right-end gear. A right contact rod is fixedly installed on the right-end sliding shaft. A right rack is fixedly installed on the right contact rod. An upper reversing gear is rotatably installed on the installation plate. The upper reversing gear and the right rack form a rack and pinion engagement. A left contact rod is fixedly installed on the left-end sliding shaft. A left rack is fixedly installed on the left contact rod. The left rack and the upper reversing gear form a rack and pinion engagement. A chute is fixedly installed on the installation plate. A sliding block is slidably installed on the chute. A cutter is fixedly installed on the sliding block.

[0006] Further, a plug pin rod is slidably installed on the installation plate. An inclined surface push block is fixedly installed on the plug pin rod. The inclined surface of the inclined surface push block forms a fit with the inclined surface of the left contact rod. The plug pin rod and the round hole on the left contact rod form a fit. A return spring is installed on the left contact rod.

[0007] Further, the noodle packaging machine further includes a material receiving and weighing device. The material receiving and weighing device includes a total base fixedly installed on the ground. An electromagnet is fixedly installed on the total base. A clutch is rotatably installed on the electromagnet. The upper end of the clutch is slidably connected to the main shaft. The lower end of the clutch is connected to the electromagnet. A spline shaft is fixedly installed at the lower end of the clutch. A connecting shaft is fixedly installed on the spline shaft. A pushing gear is fixedly installed on the connecting shaft. A lower support plate is fixedly installed on the total base. A right push plate is slidably installed on the lower support plate. The right push plate and the pushing gear form a rack and pinion engagement. A right spring is installed between the lower support plate and the right push plate. A noodle receiving box is installed on the right push plate. A gravity detection component is installed on the lower support plate.

[0008] Furthermore, a left push plate is slidably installed on the lower support plate, a left spring is installed between the left push plate and the lower support plate, a pinion is rotatably installed on the lower support plate, the pinion forms a gear rack match with the right push plate, and the left push plate forms a gear rack match with the pinion.

[0009] Furthermore, a pushing rod is fixedly installed on the left pushing plate, a spring sheet is fixedly installed on the pushing rod, a toggle piece is fixedly installed on the pushing rod, a speed gear is rotatably installed on the main base, a ratchet is fixedly installed on the speed gear, the toggle piece cooperates with the ratchet, a driven gear is rotatably installed on the main base, a noodle box belt group is installed on the driven gear, and the noodle box is arranged on the noodle box belt group.

[0010] Furthermore, the noodle packaging machine also includes a packaging marking device, which includes a lower base, which is fixedly installed on the ground and arranged below the main base. A conveyor belt is installed on the lower base, and a belt motor is fixedly installed on the lower base. The conveyor belt is connected to the output shaft of the belt motor, and a noodle box is arranged on the conveyor belt.

[0011] Furthermore, a cover plate is fixedly mounted on the lower base, a cover box is fixedly mounted on the cover plate, a push cylinder is fixedly mounted on the cover box, a push rod is fixedly mounted on the telescopic end of the push cylinder, and a cover is arranged at the front end of the push rod.

[0012] Furthermore, a printing cylinder is fixedly mounted on the lower base, and a laser marking head is fixedly mounted on the telescopic end of the printing cylinder.

[0013] Compared with the prior art, the present invention has the following advantages: (1) the noodle cutting device of the present invention can realize automatic extrusion of noodles, cutting the noodles into fixed lengths and automatically collecting and packaging the noodles, and the length of the noodles can be controlled by adjusting the speed of the noodle cutting device; (2) the material receiving and weighing device of the present invention can automatically weigh the noodles, and after weighing, the whole box of noodles is sent to the conveyor belt to wait for packaging; (3) the packaging marking device of the present invention can package the lid and the noodle receiving box together by snapping, and print information such as the production date and net content on the lid by laser marking. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the spiral cylinder of the present invention.

[0016] Figure 3 It is a schematic diagram of the spiral shaft of the present invention.

[0017] Figure 4 It is a schematic diagram of the cutting device of the present invention.

[0018] Figure 5It is a schematic diagram of the overall base of the present invention.

[0019] Figure 6 It is a schematic diagram of the material receiving and weighing device of the present invention.

[0020] Figure 7 It is the front view of the material receiving and weighing device of the present invention.

[0021] Figure 8 It is a schematic diagram of the packaging marking device of the present invention.

[0022] Figure 9 It is a partial schematic diagram of the packaging marking device of the present invention.

[0023] Figure 10 It is a schematic diagram of a cover of the present invention.

[0024] Figure 11 It is a schematic diagram of the pinion of the present invention.

[0025] Figure 12 for Figure 4 A partial enlarged schematic diagram in the middle.

[0026] Figure numbers: 1-main base; 2-upper base; 3-motor; 4-spiral cylinder; 5-spiral shaft; 6-main shaft; 7-upper belt group; 8-mounting plate; 9-driving bevel gear; 10-driven bevel gear; 11-transmission; 12-output shaft; 13-reversing belt; 14-first gear; 15-second gear; 16-third gear; 17-left end sliding shaft; 18-right end sliding shaft; 19-left end contact wheel; 20-right end contact wheel; 21-left end gear; 22-right end gear; 23-screw rod; 24-sliding block; 25-right contact rod; 26-right rack; 27-upper reversing gear; 28-left rack; 29-left contact rod; 30-cutter; 31-bevel push block ;32-latch rod;33-reset spring;34-clutch;35-electromagnet;36-spline shaft;37-connecting shaft;38-push gear;39-right push plate;40-lower support plate;41-right spring;42-left push plate;43-left spring;44-face box;45-push rod;46-spring sheet;47-shifting sheet;48-ratchet;49-speed gear;50-driven gear;51-face box belt set;52-lower base;53-belt motor;54-conveyor belt;55-cover plate;56-cover box;57-push cylinder;58-push rod;59-cover;60-print cylinder;61-laser marking head;62-slide;63-pinion gear. DETAILED DESCRIPTION

[0027] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0028] Example:Figures 1-12An automatic weighing noodle packaging machine shown in the figure includes a noodle cutting device. The noodle cutting device includes an upper base 2, on which a motor 3 is fixedly installed. An auger barrel 4 is fixedly installed on the upper base 2. An auger shaft 5 is rotatably installed on the auger barrel 4. A plurality of noodle outlets are provided at the lower end of the auger barrel 4. A main shaft 6 is fixedly installed on the output shaft of the motor 3. The main shaft 6 and the auger shaft 5 are connected by an upper belt group 7. An installation plate 8 is fixedly installed on the upper base 2. A driving bevel gear 9 is fixedly installed on the main shaft 6. A speed changer 11 is fixedly installed on the installation plate 8. A driven bevel gear 10 is fixedly installed at the input end of the speed changer 11. The driven bevel gear 10 and the driving bevel gear 9 form a gear engagement. An output shaft 12 is installed on the speed changer 11. The output shaft 12 is rotatably installed on the installation plate 8. A first-stage gear 14 is rotatably installed on the installation plate 8. A reversing belt 13 is installed on the output shaft 12 and the first-stage gear 14. The output shaft 12, the reversing belt 13 and the first-stage gear 14 form a belt connection. A second-stage gear 15 is rotatably installed on the installation plate 8. The second-stage gear 15 and the first-stage gear 14 form a gear engagement. A third-stage gear 16 is rotatably installed on the installation plate 8. The third-stage gear 16 and the second-stage gear 15 form a gear engagement. A left-end sliding shaft 17 is slidably installed on the first-stage gear 14. A right-end sliding shaft 18 is slidably installed on the third-stage gear 16. A left-end gear 21 is rotatably installed on the installation plate 8. A left-end contact wheel 19 is fixedly installed on the left-end gear 21. A right-end gear 22 is rotatably installed on the installation plate 8. A right-end contact wheel 20 is fixedly installed on the right-end gear 22. The left-end contact wheel 19 and the left-end sliding shaft 17 form a fit. The right-end contact wheel 20 and the right-end sliding shaft 18 form a fit. A lead screw 23 is fixedly installed on the right-end gear 22. A right contact rod 25 is fixedly installed on the right-end sliding shaft 18. A right rack 26 is fixedly installed on the right contact rod 25. An upper reversing gear 27 is rotatably installed on the installation plate 8. The upper reversing gear 27 and the right rack 26 form a rack and pinion engagement. A left contact rod 29 is fixedly installed on the left-end sliding shaft 17. A left rack 28 is fixedly installed on the left contact rod 29. The left rack 28 and the upper reversing gear 27 form a rack and pinion engagement. A chute 62 is fixedly installed on the installation plate 8. A sliding block 24 is slidably installed on the chute 62. A cutter 30 is fixedly installed on the sliding block 24.The motor 3 starts to drive the main shaft 6 to rotate. The rotation of the main shaft 6 drives the spiral shaft 5 to rotate through the upper belt group 7. The rotation of the spiral shaft 5 squeezes the dough, and the noodles are extruded from the lower end of the spiral cylinder 4 above the cutter 30. The rotation of the main shaft 6 drives the driving bevel gear 9 to rotate. The rotation of the driving bevel gear 9 drives the driven bevel gear 10 to rotate. The rotation of the driven bevel gear 10 drives the transmission 11 to work. After deceleration by the transmission 11, the output shaft 12 rotates. The output shaft 12 drives the reversing belt 13 to move. The movement of the reversing belt 13 drives the first-stage gear 14 to rotate. The rotation of the first-stage gear 14 drives the second-stage gear 15 to rotate. The rotation of the second-stage gear 15 drives the third-stage gear 16 to rotate. The rotation of the first-stage gear 14 drives the left sliding shaft 17 to rotate. The third-stage gear 16 drives the right sliding shaft 18 to rotate. The rotation directions of the first-stage gear 14 and the third-stage gear 16 are the same. The rotation of the right sliding shaft 18 drives the right contact wheel 20 to rotate. The rotation of the right contact wheel 20 drives the right gear 22 to rotate. The rotation of the right gear 22 drives the left gear 21 to rotate. The rotation of the left gear 21 drives the left contact wheel 19 to rotate idly. The rotation of the right gear 22 drives the lead screw 23 to rotate. The rotation of the lead screw 23 drives the sliding block 24 to slide on the chute 62. When the sliding block 24 pushes the right contact rod 25, the right contact rod 25 drives the right rack 26 to move. The right rack 26 drives the upper reversing gear 27 to rotate. The upper reversing gear 27 drives the left rack 28 to move. The left rack 28 drives the left contact rod 29 to move. The left contact rod 29 drives the left sliding shaft 17 and the left contact wheel 19 to form a cooperation. The right contact wheel 20 is separated from the right sliding shaft 18. At this time, the left sliding shaft 17 drives the left contact wheel 19 to rotate. The left contact wheel 19 drives the left gear 21 to rotate. The left gear 21 drives the right gear 22 to rotate. The rotation direction of the right gear 22 is opposite to the initial direction. The rotation of the right gear 22 drives the lead screw 23 to rotate in the reverse direction. The lead screw 23 drives the sliding block 24 to move in the reverse direction, realizing the reciprocating reverse cutting of the cutter 30.

[0029] A latch rod 32 is slidably installed on the mounting plate 8. A bevel push block 31 is fixedly installed on the latch rod 32. The bevel surface of the bevel push block 31 forms a cooperation with the bevel surface of the left contact rod 29. The latch rod 32 forms a cooperation with the round hole on the left contact rod 29. A return spring 33 is installed on the left contact rod 29. In the initial state, the left contact rod 29 is abutted against one end far from the left contact wheel 19 by the elastic force of the return spring 33. When the sliding block 24 pushes the right contact rod 25, the left contact rod 29 moves a small distance to push the bevel push block 31. The bevel push block 31 drives the latch rod 32 to move. The latch rod 32 no longer restricts the left contact rod 29, and the left contact rod 29 can slide until the left sliding shaft 17 and the left contact wheel 19 form a cooperation.

[0030] The noodle packaging machine also includes a material receiving and weighing device, which includes a main base 1, which is fixedly installed on the ground, an electromagnetic device 35 is fixedly installed on the main base 1, a clutch 34 is rotatably installed on the electromagnetic device 35, the upper end of the clutch 34 is slidably connected to the main shaft 6, the lower end of the clutch 34 is connected to the electromagnetic device 35, a spline shaft 36 is fixedly installed on the lower end of the clutch 34, a connecting shaft 37 is fixedly installed on the spline shaft 36, a push gear 38 is fixedly installed on the connecting shaft 37, a lower support plate 40 is fixedly installed on the main base 1, a right push plate 39 is slidably installed on the lower support plate 40, the right push plate 39 and the push gear 38 form a gear rack match, a right spring 41 is installed between the lower support plate 40 and the right push plate 39, a noodle box 44 is installed on the right push plate 39, and a gravity detection component is installed on the lower support plate 40. The electromagnetic device 35 is started to connect the upper and lower ends of the clutch 34. The rotation of the main shaft 6 drives the spline shaft 36 to rotate. The rotation of the spline shaft 36 drives the connecting shaft 37 to rotate. The connecting shaft 37 drives the push gear 38 to rotate. The push gear 38 drives the right push plate 39 to move in a straight line, and the interface box 44 on the right push plate 39 falls.

[0031] A left push plate 42 is slidably mounted on the lower support plate 40, a left spring 43 is mounted between the left push plate 42 and the lower support plate 40, a pinion 63 is rotatably mounted on the lower support plate 40, the pinion 63 forms a gear rack match with the right push plate 39, and the left push plate 42 forms a gear rack match with the pinion 63. The movement of the right push plate 39 drives the pinion 63 to rotate, and the rotation of the pinion 63 drives the left push plate 42 to move, and the left push plate 42 moves with the right push plate 39 to drop the interface box 44, and the right spring 41 and the left spring 43 play an automatic return role.

[0032] A pushing rod 45 is fixedly installed on the left pushing plate 42, a spring sheet 46 is fixedly installed on the pushing rod 45, a toggle piece 47 is fixedly installed on the pushing rod 45, a speed change gear 49 is rotatably installed on the main base 1, a ratchet 48 is fixedly installed on the speed change gear 49, the toggle piece 47 cooperates with the ratchet 48, a driven gear 50 is rotatably installed on the main base 1, a noodle box belt group 51 is installed on the driven gear 50, and the noodle box 44 is arranged on the noodle box belt group 51. The left push plate 42 drives the push rod 45 to move, the push rod 45 drives the toggle plate 47 to move, the reciprocating movement of the left push plate 42 drives the push rod 45 to move back and forth, the movement of the push rod 45 drives the toggle plate 47 to move back and forth, the toggle plate 47 drives the ratchet 48 to rotate intermittently in one direction, the ratchet 48 drives the speed change gear 49 to rotate, the speed change gear 49 drives the driven gear 50 to rotate, the driven gear 50 drives the noodle box belt group 51 to intermittently unidirectionally transmit the noodle box 44, thereby completing the loading and packaging of the noodle box 44.

[0033] The noodle packaging machine further includes a packaging and marking device. The packaging and marking device includes a lower base 52, which is fixedly installed on the ground. The lower base 52 is arranged below the main base 1. A conveyor belt 54 is installed on the lower base 52, and a belt motor 53 is fixedly installed on the lower base 52. The conveyor belt 54 is connected to the output shaft of the belt motor 53. A noodle receiving box 44 is arranged on the conveyor belt 54. When the belt motor 53 is started, it drives the conveyor belt 54 to work, and the conveyor belt 54 transports the noodle receiving box 44 that falls at the right push plate 39 to the capping position.

[0034] A cover placing plate 55 is fixedly installed on the lower base 52, a cover box 56 is fixedly installed on the cover placing plate 55, a pushing cylinder 57 is fixedly installed on the cover box 56, a push rod 58 is fixedly installed at the telescopic end of the pushing cylinder 57, and a lid 59 is arranged at the front end of the push rod 58. When the pushing cylinder 57 is started, it pushes out the lowermost lid 59 among the stacked lids 59 in the cover box 56. Through the opening of the cover placing plate 55, the lid 59 falls above the noodle receiving box 44.

[0035] A printing cylinder 60 is fixedly installed on the lower base 52, and a laser marking head 61 is fixedly installed at the telescopic end of the printing cylinder 60. When the printing cylinder 60 is started, it presses the lid 59 onto the noodle receiving box 44, and at the same time, the laser marking head 61 marks the upper surface of the lid 59.

Claims

1. An automatic weighing noodle packaging machine, including a noodle cutting device, characterized in that: The noodle cutting device includes an upper base (2), on which a motor (3) is fixedly installed, a spiral cylinder (4) is fixedly installed on the upper base (2), a spiral shaft (5) is rotatably installed on the spiral cylinder (4), and a plurality of noodle outlets are provided at the lower end of the spiral cylinder (4). A main shaft (6) is fixedly installed on the output shaft of the motor (3), and the main shaft (6) is connected to the spiral shaft (5) through an upper belt group (7). An installation plate (8) is fixedly installed on the upper base (2), a driving bevel gear (9) is fixedly installed on the main shaft (6), a transmission (11) is fixedly installed on the installation plate (8), a driven bevel gear (10) is fixedly installed at the input end of the transmission (11), and the driven bevel gear (10) forms a gear fit with the driving bevel gear (9). An output shaft (12) is installed on the transmission (11), and the output shaft (12) is rotatably installed on the installation plate (8). A first-stage gear (14) is rotatably installed on the installation plate (8), and a reversing belt (13) is installed on the first-stage gear (14) and the output shaft (12). The output shaft (12), the reversing belt (13) and the first-stage gear (14) form a belt connection. A second-stage gear (15) is rotatably installed on the installation plate (8), and the second-stage gear (15) forms a gear fit with the first-stage gear (14). A third-stage gear (16) is rotatably installed on the installation plate (8), and the third-stage gear (16) forms a gear fit with the second-stage gear (15). A left-end sliding shaft (17) is slidably installed on the first-stage gear (14), and a right-end sliding shaft (18) is slidably installed on the third-stage gear (16). A left-end gear (21) is rotatably installed on the installation plate (8), and a left-end contact wheel (19) is fixedly installed on the left-end gear (21). A right-end gear (22) is rotatably installed on the installation plate (8), and a right-end contact wheel (20) is fixedly installed on the right-end gear (22). The left-end contact wheel (19) forms a fit with the left-end sliding shaft (17), and the right-end contact wheel (20) forms a fit with the right-end sliding shaft (18). A lead screw (23) is fixedly installed on the right-end gear (22), a right contact rod (25) is fixedly installed on the right-end sliding shaft (18), a right rack (26) is fixedly installed on the right contact rod (25). An upper reversing gear (27) is rotatably installed on the installation plate (8), and the upper reversing gear (27) forms a gear-rack fit with the right rack (26). A left contact rod (29) is fixedly installed on the left-end sliding shaft (17), a left rack (28) is fixedly installed on the left contact rod (29), and the left rack (28) forms a gear-rack fit with the upper reversing gear (27). A chute (62) is fixedly installed on the installation plate (8), a sliding block (24) is slidably installed on the chute (62), and a cutter (30) is fixedly installed on the sliding block (24); A latch rod (32) is slidably mounted on the mounting plate (8), an inclined surface push block (31) is fixedly mounted on the latch rod (32), the inclined surface of the inclined surface push block (31) is matched with the inclined surface of the left contact rod (29), the latch rod (32) is matched with the round hole on the left contact rod (29), and a return spring (33) is mounted on the left contact rod (29); The noodle packaging machine also includes a material receiving and weighing device, which includes a main base (1), the main base (1) is fixedly mounted on the ground, an electromagnetic device (35) is fixedly mounted on the main base (1), a clutch (34) is rotatably mounted on the electromagnetic device (35), the upper end of the clutch (34) is slidably connected to the main shaft (6), the lower end of the clutch (34) is connected to the electromagnetic device (35), a spline shaft (36) is fixedly mounted on the lower end of the clutch (34), and a spline shaft (36) is fixedly mounted on the spline shaft (36). A connecting shaft (37) is provided, a push gear (38) is fixedly installed on the connecting shaft (37), a lower support plate (40) is fixedly installed on the main base (1), a right push plate (39) is slidably installed on the lower support plate (40), the right push plate (39) and the push gear (38) form a gear rack match, a right spring (41) is installed between the lower support plate (40) and the right push plate (39), a face box (44) is installed on the right push plate (39), and a gravity detection component is installed on the lower support plate (40).

2. An automatic weighing noodle packaging machine according to claim 1, characterized in that: A left push plate (42) is slidably mounted on the lower support plate (40), a left spring (43) is mounted between the left push plate (42) and the lower support plate (40), a pinion (63) is rotatably mounted on the lower support plate (40), the pinion (63) and the right push plate (39) form a gear rack match, and the left push plate (42) and the pinion (63) form a gear rack match.

3. The automatic weighing noodle packaging machine according to claim 2, wherein: A push rod (45) is fixedly mounted on the left push plate (42), a spring sheet (46) is fixedly mounted on the push rod (45), a toggle sheet (47) is fixedly mounted on the push rod (45), a speed change gear (49) is rotatably mounted on the main base (1), a ratchet (48) is fixedly mounted on the speed change gear (49), the toggle sheet (47) and the ratchet (48) form a match, a driven gear (50) is rotatably mounted on the main base (1), a noodle box belt group (51) is mounted on the driven gear (50), and the noodle box (44) is arranged on the noodle box belt group (51).

4. The automatic weighing noodle packaging machine according to claim 3, characterized in that: The noodle packaging machine also includes a packaging marking device, which includes a lower base (52), the lower base (52) is fixedly mounted on the ground, the lower base (52) is arranged below the main base (1), a conveying belt (54) is mounted on the lower base (52), a belt motor (53) is fixedly mounted on the lower base (52), the conveying belt (54) is connected to the output shaft of the belt motor (53), and a noodle receiving box (44) is arranged on the conveying belt (54).

5. An automatic weighing noodle packaging machine according to claim 4, characterized in that: A placement cover plate (55) is fixedly installed on the lower base (52), a cover box (56) is fixedly installed on the placement cover plate (55), a pushing air cylinder (57) is fixedly installed on the cover box (56), a push rod (58) is fixedly installed on the telescopic end of the pushing air cylinder (57), and a lid (59) is arranged at the front end of the push rod (58).

6. The automatic weighing noodle packaging machine according to claim 5, wherein: A printing air cylinder (60) is fixedly installed on the lower base (52), and a laser marking head (61) is fixedly installed on the telescopic end of the printing air cylinder (60).

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