Single paper cup packaging and stacking machine

Abstract

The utility model discloses a single paper cup packing and stacking machine, which relates to the field of paper cup production and comprises a bottom frame and an electric cabinet, cross rods are fixedly connected to two sides of the upper end of the bottom frame, a same conveying belt is fixedly mounted at one ends of the two cross rods, and two limiting guide rods I arranged along the advancing direction of the conveying belt are arranged above the conveying belt. A plurality of paper cups wrapped with plastic films are driven by a conveying belt and a first conveying belt to continuously move, the plastic films are blown into the cups by compressed air sprayed out of an air blowing pipe when the paper cups sequentially pass through the air blowing pipe, the counted paper cups are separated by a cup separating assembly along with continuous moving and stacking of the paper cups, and at the moment, two first cup falling bottom rails are opened; the paper cups fall to the surfaces of the two second cup falling bottom rails, then the stacked paper cups are secondarily compacted through the extrusion assembly, the two second cup falling bottom rails are opened again, the paper cups fall off and roll out from the inclined face guide plate, the labor intensity is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper cup production, in particular to a single paper cup packaging and stacking machine. Background Art

[0002] A paper cup that is easy to carry and use and inexpensive is a common drinking tool in many households and public places. Disposable paper cups supplied to public places or hotels often need to be individually wrapped and then stacked for sale.

[0003] Currently, on paper cup production lines, paper cups covered with plastic film are stacked manually. The squeezing and counting processes require workers to perform manual movements and mental arithmetic for a long time, which is not only time-consuming and labor-intensive, but also inefficient, and prone to counting errors, making it impractical. Utility Model Content

[0004] The purpose of the present invention is to provide a paper cup stacking machine for packaging single cups in order to solve the above problems, as described below.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The utility model provides a single paper cup packaging and stacking machine, which includes a base frame and an electric control box. Both sides of the upper end of the base frame are fixedly connected to cross bars, and one end of the two cross bars is fixedly installed with the same conveyor belt. Two limit guide bars arranged along the travel direction are provided above the conveyor belt. One side of the upper surface of the two cross bars is fixedly connected to an equipment mounting frame. The equipment mounting frame is provided with a first conveyor belt for driving the paper cup to move. Both sides of the equipment mounting frame are provided with a blowing structure for driving the outer film of the paper cup to enter the cup. A bottom rail guide bar 1 and a bottom rail guide bar 2 for holding up the paper cup are provided between the two cross bars. The upper side of the bottom rail guide bar 2 is fixedly connected to the limit guide bar 2, and the lower side of the bottom rail guide bar 2 is fixedly connected to a counter.

[0007] The other side of the upper surface of the two cross bars is fixedly connected to an equipment mounting frame 2, and a second conveyor belt that contacts the upper side of the stacked paper cups and transports them is fixedly installed on one side of the equipment mounting frame 2, and a cup separating assembly for separating the stacked paper cups is fixedly installed on the upper side of the equipment mounting frame 2, and a limiting guide rod 3 is fixedly connected to the equipment mounting frame 2. The lower side of the equipment mounting frame 2 is provided with two cup dropping bottom rails 1 that can be opened or closed, and two cup dropping bottom rails 2 that can be opened or closed are provided below the two cup dropping bottom rails 1, and a squeezing assembly for squeezing paper cups is provided on one side of the cup dropping bottom rails 2. The lower side of the base frame is fixedly connected with an inclined guide plate adapted to the cup dropping bottom rail 2, the output end of the counter is electrically connected to the input end of the electric control box, and the output end of the electric control box is electrically connected to the input ends of the first conveyor belt, the second conveyor belt, the cup separating assembly and the pushing assembly respectively.

[0008] The above-mentioned single-cup packaging and stacking machine is used. The paper cups covered with plastic film are moved along the conveyor belt and the limiting guide rod to the bottom rail guide rod. At this time, the first conveyor belt drives several paper cups covered with plastic film to move continuously. When passing through the blowing pipe in turn, the plastic film is blown into the cup by the compressed air ejected from the blowing pipe. The cups are preliminarily stacked in turn at the bottom rail guide rod 2, and are limited by the limiting guide rod 2 and then enter the second conveyor belt. Then, they pass above the counter, and the counter counts the number of paper cups passing. When the set number is reached, the counted paper cups are separated by the cup separating assembly. At this time, the two cup-dropping bottom rails 1 are opened, and the paper cups fall onto the surface of the two cup-dropping bottom rails 2. The stacked paper cups are then compacted for a second time by the squeezing assembly. The two cup-dropping bottom rails 2 are opened again, and the paper cups fall and roll out from the inclined guide plate.

[0009] Preferably, the first conveyor belt includes four lifting ears fixedly connected to the four corners of the equipment mounting frame, a rotating shaft is rotatably connected between every two of the lifting ears, a synchronous wheel is fixedly connected to the middle of the two rotating shafts, the two synchronous wheels are connected by a synchronous belt transmission, and the outer side wall of the synchronous belt is provided with evenly distributed convex teeth, one of the lifting ears is fixedly installed with a motor 1 for driving the rotating shaft there to rotate, and the input end of the motor 1 is electrically connected to the output end of the electric control box.

[0010] Preferably, the blowing structure is provided with a plurality of blowing pipes, and the air outlets of the blowing pipes face the horizontal cup mouth, and the lower side of the second equipment mounting frame is fixedly connected with a top plate for contacting with the bottom of the paper cup.

[0011] Preferably, the height of the bottom rail guide rod 1 is lower than the surface of the conveyor belt, and the front section of the bottom rail guide rod 2 is designed to be downwardly inclined.

[0012] Preferably, the second conveyor belt includes a mounting plate fixedly connected to the second equipment mounting frame, a driving roller is fixedly connected to the surface of the mounting plate, and a second motor for driving the driving roller to rotate is fixedly installed on the surface of the mounting plate, lower rollers are rotatably connected on both sides of the lower side wall of the mounting plate, the driving roller and the two lower rollers are connected through a conveyor belt transmission, and tightening rollers abutting the surface of the conveyor belt are rotatably connected on both sides of the middle part of the mounting plate, and the input end of the second motor is electrically connected to the output end of the electric control box.

[0013] Preferably, the cup-separating assembly includes a cup-clamping cylinder fixedly connected to one of the cross bars, and the movable end of the cup-clamping cylinder is provided with a clamping plate for preventing the stacked paper cups from continuously moving backward. The cup-separating cylinder is fixedly installed above the second equipment mounting frame, and the movable end of the cup-separating cylinder is fixedly connected to an L-shaped plate, the end of the L-shaped plate is rotatably connected to a claw, and a spring is connected between the claw and the bottom surface of the horizontal part of the L-shaped plate, and the input ends of the cup-separating cylinder and the cup-clamping cylinder are electrically connected to the output end of the electric control box.

[0014] Preferably, the two cup-dropping bottom rails 1 are respectively on the same axis with the two bottom rail guide rods 2, and the opposite sides of the two cup-dropping bottom rails 1 are provided with a pushing cylinder 1 for driving them to move closer to or away from each other, the two cup-dropping bottom rails 2 are located directly below the two cup-dropping bottom rails 1, and the opposite sides of the two cup-dropping bottom rails 2 are provided with a pushing cylinder 2 for driving them to move closer to or away from each other, the pushing cylinder 1 and the pushing cylinder 2 are respectively connected to the cross bar and the base frame, and the input ends of the pushing cylinder 1 and the pushing cylinder 2 are electrically connected to the output end of the electric control box.

[0015] Preferably, the extrusion assembly includes an extrusion cylinder fixedly mounted in the base frame, the movable end of the extrusion cylinder is fixedly connected to an extrusion plate adapted for stacking paper cups, and the output end of the extrusion cylinder is electrically connected to the output end of the electrical control box.

[0016] Preferably, the counter includes a side plate connected to the cross bar, the upper surface of the side plate is fixedly connected to the bottom plate, the upper side of the side plate is rotatably connected to the counting wheel, and the teeth of the counting wheel protrude from the surface of the bottom plate and adapt to the edge of the paper cup opening, and two sensors adapted to the counting wheel are fixedly installed on the lower side of the side plate, and the output ends of the two sensors are electrically connected to the input end of the electrical control box.

[0017] The beneficial effects are:

[0018] A number of paper cups wrapped with plastic film are driven to move continuously by the conveyor belt and the first conveyor belt. When passing the blowing pipe in turn, the plastic film is blown into the cup by the compressed air ejected from the blowing pipe. As the paper cups continue to move and stack, the counted paper cups are separated by the cup separating assembly. At this time, the two cup drop bottom rails open, and the paper cups fall onto the second surface of the two cup drop bottom rails. The stacked paper cups are then compacted for a second time by the squeezing assembly. The two cup drop bottom rails open again, and the paper cups fall and roll out from the inclined guide plate, reducing labor intensity and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 It is a three-dimensional diagram of the first conveyor belt of the utility model;

[0022] Figure 3 It is a three-dimensional diagram of the crossbar and related structures of the utility model;

[0023] Figure 4 It is a three-dimensional diagram of the second conveyor belt of the utility model;

[0024] Figure 5 It is a three-dimensional diagram of the cup-dispensing cylinder of the utility model;

[0025] Figure 6 It is a plan view of the operating state of the utility model counter.

[0026] The following are the descriptions of the reference numerals:

[0027] 1. Base frame; 2. Crossbar; 3. First conveyor belt; 3a. Lifting lug; 3b. Rotating shaft; 3c. Synchronous pulley; 3d. Synchronous belt; 3e. Motor 1; 4. Second conveyor belt; 4a. Mounting plate; 4b. Drive roller; 4c. Lower roller; 4d. Take-up roller; 4e. Conveyor belt; 5. Equipment mounting frame 1; 6. Conveyor belt; 7. Equipment mounting frame 2; 8. Limit guide rod 1; 9. Blowing pipe; 10. Bottom rail guide rod 1; 11. Bottom rail guide rod 2; 12. Counter ; 12a, side panel; 12b, bottom panel; 12c, counting wheel; 12d, sensor; 13, cup drop bottom rail 1; 14, push-up cylinder 1; 15, top panel; 16, limit guide rod 3; 17, cup separation cylinder; 18, L-shaped plate; 19, clamping claw; 20, spring piece; 21, push-up cylinder 2; 22, cup drop bottom rail 2; 23, extrusion cylinder; 24, extrusion plate; 25, inclined guide plate; 26, electric control box; 27, cup clamping cylinder; 28, chain; 29, limit guide rod 2. DETAILED DESCRIPTION

[0028] To make the purpose, technical solution, and advantages of the present invention more clear, the technical solution of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0029] See also Figures 1-6 As shown, the utility model provides a single paper cup packaging and stacking machine, including a base frame 1 and an electric control box 26. Both sides of the upper end of the base frame 1 are fixedly connected with cross bars 2. One end of the two cross bars 2 is fixedly installed with the same conveyor belt 6. Two limit guide rods 8 arranged along the travel direction of the conveyor belt 6 are provided above the two cross bars 2. One side of the upper surface of the two cross bars 2 is fixedly connected with an equipment mounting frame 5. The equipment mounting frame 5 is provided with a first conveyor belt 3 for driving the paper cup to move. Both sides of the equipment mounting frame 5 are provided with a blowing structure for driving the outer film of the paper cup to enter the cup. A bottom rail guide rod 10 and a bottom rail guide rod 2 11 for supporting the paper cup are provided between the two cross bars 2. The upper side of the bottom rail guide rod 2 11 is fixedly connected to the limit guide rod 2 29, and the lower side of the bottom rail guide rod 2 11 is fixedly connected to a counter 12.

[0030] The other side of the upper surface of the two cross bars 2 is fixedly connected to an equipment mounting frame 2 7, and a second conveyor belt 4 that contacts the upper side of the stacked paper cups and transports them is fixedly installed on one side of the equipment mounting frame 2 7. A cup separating assembly for separating the stacked paper cups is fixedly installed on the upper side of the equipment mounting frame 2 7, and a limiting guide rod 3 16 is fixedly connected to the equipment mounting frame 2 7. Two cup dropping bottom rails 13 that can be opened or closed are provided on the lower side of the equipment mounting frame 2 7, and two cup dropping bottom rails 2 22 that can be opened or closed are provided below the two cup dropping bottom rails 13, and a squeezing assembly for squeezing the paper cups is provided on one side of the cup dropping bottom rails 2 22. An inclined guide plate 25 adapted to the cup dropping bottom rail 2 22 is fixedly connected to the lower side of the base frame 1, and the output end of the counter 12 is electrically connected to the input end of the electric control box 26, and the output end of the electric control box 26 is electrically connected to the input ends of the first conveyor belt 3, the second conveyor belt 4, the cup separating assembly and the pushing assembly respectively.

[0031] As an optional embodiment, the first conveyor belt 3 includes four lifting ears 3a fixedly connected to the four corners of the equipment mounting frame 5, and a rotating shaft 3b is rotatably connected between every two lifting ears 3a. The middle parts of the two rotating shafts 3b are fixedly connected to a synchronous wheel 3c. The two synchronous wheels 3c are connected by a synchronous belt 3d, and the outer wall of the synchronous belt 3d is provided with evenly distributed convex teeth. A motor 3e is fixedly installed on one of the lifting ears 3a to drive the rotating shaft 3b to rotate. The input end of the motor 3e is electrically connected to the output end of the electric control box 26. When the paper cup moves with the conveyor belt 6, the motor 3e is controlled to drive one of the rotating shafts 3b and the synchronous wheel 3c to rotate. With the cooperation of the other synchronous wheel 3c, the synchronous belt 3d also continues to rotate. At this time, the convex teeth on the surface of the synchronous belt 3d can abut against the edge of the opening of the paper cup, pushing the paper cup to move on the surface of the bottom rail guide rod 10.

[0032] As an optional embodiment, a plurality of blowing tubes 9 are provided in the blowing structure, and the air outlets of the blowing tubes 9 are directed toward the horizontal cup mouth. A top plate 15 for abutting against the bottom of the paper cup is fixedly connected to the lower side of the equipment mounting frame 2 7. When the paper cup is moved to the bottom rail guide rod 1 10 and the bottom rail guide rod 2 11, the high-speed airflow through the blowing tubes 9 drives the bulging plastic film to retract into the opening of the paper cup, which is convenient for subsequent stacking. The top plate 15 is located at the moving end of the stacked paper cups and abuts against the bottom of the end paper cup, which is convenient for limiting and squeezing the paper cup.

[0033] Reference Figure 3As shown, the height of the bottom rail guide rod 10 is lower than the surface of the conveyor belt 6, the front section of the bottom rail guide rod 2 11 is designed to be inclined downward, and a chain 28 that cooperates with the bottom rail guide rod 2 11 is connected to one side of the equipment mounting frame 1 5. When the paper cups on the conveyor belt 6 move gradually, they can fall stably on the bottom rail guide rod 10. Then, since the front end of the bottom rail guide rod 2 11 is designed to be inclined downward, the bottom of the rear paper cup can enter the cup mouth of the front paper cup, forming a stacking effect. As the paper cup moves, it contacts the falling chain 28. The weight of the chain 28 can slow down the moving front paper cup, so that the paper cups are stacked again.

[0034] Reference Figure 4 As shown, the second conveyor belt 4 includes a mounting plate 4a fixedly connected to the equipment mounting frame 27, a driving roller 4b is fixedly connected to the surface of the mounting plate 4a, and a motor 2 4f is fixedly installed on the surface of the mounting plate 4a for driving the driving roller 4b to rotate, and lower rollers 4c are rotatably connected on both sides of the lower side wall of the mounting plate 4a, and the driving roller 4b and the two lower rollers 4c are connected by a conveyor belt 4e, and the middle part of the mounting plate 4a is rotatably connected on both sides with a take-up roller 4d abutting the surface of the conveyor belt 4e, and the input end of the motor 2 4f is electrically connected to the output end of the electric control box 26, and the driving roller 4b can be driven to rotate by the motor 2 4f, and with the cooperation of the two lower rollers 4c and the two take-up rollers 4d, the conveyor belt 4e is driven to rotate continuously, and the conveyor belt 4e contacts the upper side of the paper cup, so that the paper cup can move backward at a uniform speed.

[0035] Reference Figure 3 As shown, the cup-dispensing assembly includes a cup-dispensing cylinder 27 fixedly connected to one of the crossbars 2, and a clamping plate is provided at the movable end of the cup-dispensing cylinder 27 to prevent the stacked paper cups from continuously moving backward. A cup-dispensing cylinder 17 is fixedly installed above the equipment mounting frame 27, and an L-shaped plate 18 is fixedly connected to the movable end of the cup-dispensing cylinder 17. A claw 19 is rotatably connected to the end of the L-shaped plate 18, and a spring 20 is connected between the claw 19 and the bottom surface of the horizontal portion of the L-shaped plate 18. The input ends of the cup-dispensing cylinder 17 and the cup-dispensing cylinder 27 are both electrically connected to the output end of the electric control box 26. When the counting When the number of paper cups in the device 12 reaches the specified number, the electronic control box 26 controls the cup-holding cylinder 27 to extend, so that the clamping plate at its end abuts against the side of the moving stacked paper cups. The edge of the paper cup opening cannot move due to the restriction of the clamping plate. At this time, the cup-dispensing cylinder 17 contracts, so that the clamping claw 19 at its end abuts against the edge of the paper cup opening, driving the stack of paper cups that have been counted to move horizontally between the two cup-dropping bottom rails 13. Then the cup-dispensing cylinder 17 extends and resets. During its extension process, the clamping claw 19 contacts the edge of the paper cup and drives the elastic piece 20 to elastically deform and gradually move for subsequent counting.

[0036] As an optional embodiment, the two cup-dropping bottom rails 13 are respectively on the same axis with the two bottom rail guide rods 2 11, and the opposite sides of the two cup-dropping bottom rails 13 are provided with a pushing cylinder 14 for driving them to move closer to or away from each other, the two cup-dropping bottom rails 2 22 are located directly below the two cup-dropping bottom rails 13, and the opposite sides of the two cup-dropping bottom rails 2 22 are provided with a pushing cylinder 2 21 for driving them to move closer to or away from each other, the pushing cylinder 14 and the pushing cylinder 2 21 are respectively connected to the cross bar 2 and the base frame 1, and the input ends of the pushing cylinder 14 and the pushing cylinder 2 21 are electrically connected to the output end of the electric control box 26, by controlling the extension and contraction of the pushing cylinder 14 and the pushing cylinder 2 21, the two cup-dropping bottom rails 13 can be moved closer to or away from each other, and the two cup-dropping bottom rails 2 22 can be moved closer to or away from each other. When they are close to each other, the paper cups cannot fall, and when they are away from each other, the paper cups can fall smoothly.

[0037] Reference Figure 3 As shown, the extrusion assembly includes an extrusion cylinder 23 fixedly installed in the base frame 1. The movable end of the extrusion cylinder 23 is fixedly connected to an extrusion plate 24 adapted for stacking paper cups, and the output end of the extrusion cylinder 23 is electrically connected to the output end of the electrical control box 26. When the horizontally stacked paper cups fall between the two cup-dropping bottom rails 22, the extrusion cylinder 23 is controlled to drive the extrusion plate 24 to move horizontally. When the extrusion plate 24 contacts the end paper cups, several sets of plastic-coated paper cups are compacted to complete the secondary extrusion.

[0038] Reference Figure 6 As shown, the counter 12 includes a side plate 12a connected to the crossbar 2, and the upper surface of the side plate 12a is fixedly connected to the bottom plate 12b. The upper side of the side plate 12a is rotatably connected to the counting wheel 12c, and the teeth of the counting wheel 12c protrude from the surface of the bottom plate 12b and adapt to the edge of the paper cup opening. Two sensors 12d adapted to the counting wheel 12c are fixedly installed on the lower side of the side plate 12a. The output ends of the two sensors 12d are electrically connected to the input end of the electronic control box 26. When the stacked paper cups pass through the counting wheel 12c one by one, the curled edges of the cup rims of the paper cups contact the teeth of the counting wheel 12c, driving the counting wheel 12c to rotate. At the same time, the two sensors 12d detect the rotation of the counting wheel 12c (a downward pressure component can be provided above the counting wheel 12c to ensure that the cup rims of the moving paper cups are stably in contact with the teeth of the counting wheel 12c). When the count reaches a specified number, an electrical signal is sent to the electronic control box 26 for subsequent actions.

[0039] With the above structure, the paper cups covered with plastic film are moved along the conveyor belt 6 and the limit guide rod 1 8 to the bottom rail guide rod 10. At this time, the first conveyor belt 3 drives a number of paper cups covered with plastic film to continue to move. When passing through the blowing pipe 9, the plastic film is blown into the cup by the compressed air ejected from the blowing pipe 9. At the bottom rail guide rod 2 11, the chain 28 is pressed down and cooperates with the inclined surface of the front end of the bottom rail guide rod 11 to push the cups to be initially stacked in sequence. The limit guide rod 2 29 limits the position and then moves forward. The paper cups enter the second conveyor belt 4 and then pass over the counter 12. The counter 12 counts the number of paper cups passing through. When the set number is reached, the cup-holding cylinder 27 drives its movable end clamp to move to block the excess paper cups. The counted paper cups are separated by the cup-separating assembly. At this time, the two cup-dropping bottom rails 13 open, and the paper cups fall onto the surfaces of the two cup-dropping bottom rails 22. The stacked paper cups are then compacted again by the squeezing assembly. The two cup-dropping bottom rails 22 open again, and the paper cups fall and roll out from the inclined guide plate 25.

[0040] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A paper cup stacking machine for packaging single paper cups, characterized by: The invention comprises a base frame (1) and an electric control box (26), wherein both sides of the upper end of the base frame (1) are fixedly connected with cross bars (2), one end of the two cross bars (2) is fixedly installed with the same conveyor belt (6), two limit guide bars (8) arranged along the travel direction are provided above the conveyor belt (6), one side of the upper surface of the two cross bars (2) is fixedly connected with an equipment mounting frame (5), the equipment mounting frame (5) is provided with a first conveyor belt (3) for driving the paper cup to move, both sides of the equipment mounting frame (5) are provided with a blowing structure for driving the outer film of the paper cup to enter the cup, a bottom rail guide bar (10) and a bottom rail guide bar (11) for supporting the paper cup are provided between the two cross bars (2), the upper part of the bottom rail guide bar (11) is fixedly connected with a limit guide bar (29), and the lower part of the bottom rail guide bar (11) is fixedly connected with a counter (12); The other side of the upper surface of the two cross bars (2) is fixedly connected with a second equipment mounting frame (7), one side of the second equipment mounting frame (7) is fixedly installed with a second conveying belt (4) that contacts the upper side of the stacked paper cups and conveys them to move, the upper side of the second equipment mounting frame (7) is fixedly installed with a cup separation assembly for separating the stacked paper cups, the second equipment mounting frame (7) is fixedly connected with a limiting guide rod (16), the lower side of the second equipment mounting frame (7) is provided with two cup drop bottom rails (13) that can be opened or closed, and the two cup drop bottom rails (13) are fixedly installed with the cup drop bottom rails (13) that can be opened or closed. Two cup-dropping bottom rails (22) that can be opened or closed are provided below the bottom rail (13), and a squeezing assembly for squeezing paper cups is provided on one side of the cup-dropping bottom rail (22). An inclined guide plate (25) adapted to the cup-dropping bottom rail (22) is fixedly connected to the lower side of the base frame (1). The output end of the counter (12) is electrically connected to the input end of the electric control box (26), and the output end of the electric control box (26) is electrically connected to the input ends of the first conveyor belt (3), the second conveyor belt (4), the cup-distributing assembly, and the pushing assembly, respectively.

2. The single paper cup packaging and stacking machine according to claim 1, characterized in that: The first conveyor belt (3) includes four lifting ears (3a) fixedly connected to the four corners of the equipment mounting frame (5), a rotating shaft (3b) is rotatably connected between each two lifting ears (3a), and a synchronous wheel (3c) is fixedly connected to the middle of the two rotating shafts (3b). The two synchronous wheels (3c) are connected by a synchronous belt (3d), and the outer wall of the synchronous belt (3d) is provided with evenly distributed convex teeth. A motor (3e) is fixedly installed on one of the lifting ears (3a) to drive the rotating shaft (3b) thereto to rotate, and the input end of the motor (3e) is electrically connected to the output end of the electric control box (26).

3. The single paper cup packaging and stacking machine according to claim 1, characterized in that: The blowing structure is provided with a plurality of blowing pipes (9), and the air outlets of the blowing pipes (9) face the horizontal cup mouth. The lower side of the second equipment mounting frame (7) is fixedly connected with a top plate (15) for contacting the bottom of the paper cup.

4. The single paper cup packaging and stacking machine according to claim 1, characterized in that: The height of the bottom rail guide rod 1 (10) is lower than the surface of the conveyor belt (6), and the front section of the bottom rail guide rod 2 (11) is designed to be downwardly inclined.

5. The single paper cup packaging and stacking machine according to claim 1, characterized in that: The second conveyor belt (4) includes a mounting plate (4a) fixedly connected to the second equipment mounting frame (7), the surface of the mounting plate (4a) is fixedly connected to a driving roller (4b), and the surface of the mounting plate (4a) is fixedly installed with a second motor (4f) for driving the driving roller (4b) to rotate, and both sides of the lower side wall of the mounting plate (4a) are rotatably connected to lower rollers (4c), the driving roller (4b) and the two lower rollers (4c) are connected to each other through a conveyor belt (4e), and both sides of the middle of the mounting plate (4a) are rotatably connected to a tightening roller (4d) that abuts against the surface of the conveyor belt (4e), and the input end of the second motor (4f) is electrically connected to the output end of the electric control box (26).

6. The single paper cup packaging and stacking machine according to claim 1, characterized in that: The cup separation assembly includes a cup clamping cylinder (27) fixedly connected to one of the cross bars (2), and a clamping plate is provided at the movable end of the cup clamping cylinder (27) for preventing the stacked paper cups from continuously moving backward. A cup separation cylinder (17) is fixedly installed above the second equipment mounting frame (7), and the movable end of the cup separation cylinder (17) is fixedly connected to an L-shaped plate (18). The end of the L-shaped plate (18) is rotatably connected to a clamping claw (19), and a spring (20) is connected between the clamping claw (19) and the bottom surface of the horizontal portion of the L-shaped plate (18). The input ends of the cup separation cylinder (17) and the cup clamping cylinder (27) are both electrically connected to the output end of the electric control box (26).

7. The single paper cup packaging and stacking machine according to claim 1, characterized in that: The two cup-dropping bottom rails (13) are respectively on the same axis as the two bottom rail guide rods (11), and the opposite sides of the two cup-dropping bottom rails (13) are provided with a push-up cylinder (14) for driving them to move closer to or away from each other. The two cup-dropping bottom rails (22) are located directly below the two cup-dropping bottom rails (13), and the opposite sides of the two cup-dropping bottom rails (22) are provided with a push-up cylinder (21) for driving them to move closer to or away from each other. The push-up cylinder (14) and the push-up cylinder (21) are respectively connected to the cross bar (2) and the base frame (1), and the input ends of the push-up cylinder (14) and the push-up cylinder (21) are both electrically connected to the output end of the electric control box (26).

8. The paper cup single packaging and stacking machine according to claim 1, characterized in that: The extrusion assembly comprises an extrusion cylinder (23) fixedly mounted in a base frame (1); a movable end of the extrusion cylinder (23) is fixedly connected to an extrusion plate (24) adapted to stack paper cups; and an output end of the extrusion cylinder (23) is electrically connected to an output end of an electric control box (26).

9. The single paper cup packaging and stacking machine according to claim 1, characterized in that: The counter (12) comprises a side plate (12a) connected to the crossbar (2); the upper surface of the side plate (12a) is fixedly connected to the bottom plate (12b); the upper side of the side plate (12a) is rotatably connected to a counting wheel (12c); the teeth of the counting wheel (12c) protrude from the surface of the bottom plate (12b) and are adapted to the edge of the paper cup opening; two sensors (12d) adapted to the counting wheel (12c) are fixedly mounted on the lower side of the side plate (12a); the output ends of the two sensors (12d) are electrically connected to the input end of the electric control box (26).

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