Double rotary counting and stacking machine for napkins

Abstract

The utility model discloses a kind of napkin double-rotation counting and separating machines, including rack, counting turnover subassembly, push subassembly, push-in subassembly, rotating subassembly, push-out subassembly, output subassembly;The rack is vertically arranged, and workbench is horizontally arranged thereon;Counting turnover subassembly is arranged on workbench;According to process flow, push subassembly, push-in subassembly, rotating subassembly, push-out subassembly, and output subassembly are sequentially arranged at the rear side of counting turnover subassembly;Counting turnover subassembly is used to clamp specific number of paper towels, and it is turned over 90 degrees, and horizontally placed on push subassembly.The counting turnover subassembly includes servo motor, pivot, swing arm, air cylinder, pin, material blocking backboard.The utility model discloses a kind of napkin double-rotation counting and separating machines, and its structure design is simple and reasonable, and stable and reliable in operation;It is convenient, fast to count paper towel, and simultaneously, paper stack can be rotated to required direction before packaging, to ensure that paper towel is arranged uniformly after packaging.

Description

Technical Field

[0001] This utility model relates to the field of napkin packaging technology, and in particular to a napkin double-rotation counting and stacking machine. Background Technology

[0002] In the packaging process of napkins, there are precise requirements for the number of napkins in each pack, as well as strict requirements for the orientation of the printed pattern and the specific position of the folded edges. Only when the number of napkins, the orientation of the printed pattern, and the position of the folded edges are all precisely controlled before entering the packaging bag can the packaged napkins provide the best user experience. Existing napkin packaging equipment mostly uses a rotating eccentric wheel to cut into the stack from the side when counting and sorting stacked napkins. This counting method is inefficient, easily damages the paper shape, and is prone to jamming.

[0003] Meanwhile, in existing technologies, paper towels are mostly cut during the conveying process, splitting the large-sized paper towels in half (forming the smaller paper towels needed for packaging) into two paper towel conveying lines, thus increasing production efficiency. In this case, since the paper towels are cut in half, the cuts on the two conveying lines are facing each other. However, since the paper towels on both conveying lines need to be conveyed to the same packaging station, in order to ensure packaging quality, the "cuts" on the two conveying lines need to be adjusted to face the same direction.

[0004] To address the aforementioned issues, this application provides a convenient and quick paper stacking machine that can also rotate the paper stacks to the desired orientation before packaging, ensuring that the paper towels are arranged consistently after packaging. Utility Model Content

[0005] The purpose of this invention is to provide a double-rotation counting and stacking machine for napkins. Its structure is simple and reasonable, and its operation is stable and reliable. It is convenient and quick to count napkins, and can rotate the paper stacks to the required direction before packaging to ensure that the napkins are arranged in a consistent manner after packaging.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0007] A double-rotation counting and stacking machine for napkins includes a frame, a counting and flipping component, a pushing component, a pushing-in component, a rotating component, an ejecting component, and an output component;

[0008] The frame is vertically arranged, with a horizontal worktable on top;

[0009] The counting and flipping component is located on the workbench; according to the process flow, a pushing component, a pushing in component, a rotating component, an ejecting component, and an output component are sequentially arranged behind the counting and flipping component.

[0010] The counting and flipping component is used to pick up a specific number of tissues (each tissue is set vertically, assembled into a column and fed in, the counting and flipping component picks up a specific number of tissues at the front, flips them 90 degrees, and places them horizontally on the pushing component).

[0011] The counting and flipping assembly includes a servo motor, a rotating shaft, a swing arm, a cylinder, a pin, and a backstop plate. The servo motor is horizontally fixed on the worktable, and its output shaft is connected to the rotating shaft, driving the rotating shaft to rotate and swing. The swing arm is fixed on the rotating shaft, and a cylinder is fixed on its top. The cylinder output shaft is connected to the horizontally positioned pin, and the cylinder drives the pin to extend and retract. The backstop plate is vertically fixed on the rotating shaft, and a feeding platform is provided on the front side of the backstop plate. The horizontal distance between the pin and the backstop plate is adjustable (by adjusting the backstop plate forward and backward). For example, if the thickness of a single sheet (three-ply specification) of napkin is 1mm, then the thickness of a pack of 100 napkins is 10cm, and the horizontal distance between the pin and the backstop plate is set to 10cm. Since the paper stacks are tightly packed, when the cylinder drives the pin to insert into the paper stack, the pin and the backstop plate precisely clamp a 10cm thick sheet of paper, exactly 100 sheets. Because the tip of the insert is pointed, it is very easy to insert between adjacent tissues for easy separation.

[0012] Preferably, in order to maintain the stability of the paper stack shape at the input end when the counting and flipping assembly flips the paper towel (because the back plate and the insert pin rotate and move backward, the paper towel on the front side will lose its obstruction), a substitute baffle plate is also provided; the substitute baffle plate is located directly above the insert pin. When the insert pin inserts into the paper stack to separate the gap between the front and rear paper towels, the substitute baffle plate also inserts into the gap; the top of the substitute baffle plate is connected to the output of cylinder two. When the counting and flipping assembly resets, the substitute baffle plate also resets.

[0013] The pushing assembly includes a second motor, a synchronous belt, a main synchronous pulley, a secondary synchronous pulley, and a lever. The second motor is fixed to the bottom of the worktable, and its output shaft is connected to the main synchronous pulley. The two ends of the synchronous belt are respectively fitted onto the main and secondary synchronous pulleys. The lever is vertically positioned and fixed to the top of the synchronous belt. The second motor drives the lever to slide back and forth, thereby pushing the paper stack rotated to a horizontal position on the counting and flipping assembly forward. The width of the paper towel is greater than the width of the back plate. There are several levers located on both sides of the back plate. The worktable is provided with clearance grooves, and the levers are inserted into the clearance grooves and slide within them.

[0014] The push-in and push-out components have the same structure and are existing technology, so they will not be described in detail here. The push-in component includes a third motor, a third synchronous belt, a third main synchronous pulley, a third auxiliary synchronous pulley, a left push plate, and a right push plate. The output shaft of the third motor is connected to the third main synchronous pulley, and the two ends of the third synchronous belt are respectively sleeved on the third main synchronous pulley and the third auxiliary synchronous pulley. The left push plate and the right push plate are vertically fixed at the upper and lower ends of the third synchronous belt. The third motor drives the left push plate and the right push plate to slide, thereby pushing the paper stack onto the rotating component.

[0015] The rotating assembly includes a motor and a rotating platform. The motor is vertically positioned, and its output shaft is connected to the horizontally positioned rotating platform. The rotating platform is located in a mounting hole on the worktable and is horizontally aligned with the worktable surface. There are two rotating assemblies, left and right, with different rotation directions. The right one rotates 90 degrees clockwise, and the left one rotates 90 degrees counterclockwise. In this way, the cut end of the tissue can be rotated to the same side.

[0016] The ejector component ejects the paper stacks from the turntable and pushes them to the output component;

[0017] The output assembly is a standard material conveyor line, its width adapted to the width of the tissues. The output assembly conveys the stacked tissues, after being sorted and adjusted for orientation, to the subsequent packaging station.

[0018] The beneficial effects of this utility model are:

[0019] Its structural design is simple and reasonable, and its operation is stable and reliable. Its tissue counting is convenient and quick, and the tissue stack can be rotated to the required direction before packaging to ensure that the tissues are arranged in a consistent manner after packaging. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a double-rotation counting and stacking machine for napkins according to this utility model;

[0021] Figure 2 This is a second view of a double-rotation counting and stacking machine for napkins according to this utility model;

[0022] Figure 3 for Figure 1 A magnified view of a portion of the image;

[0023] Figure 4 This is a partial structural diagram of a double-rotation counting and stacking machine for napkins according to the present invention;

[0024] Figure 5 for Figure 4 A bottom view;

[0025] Figure 6 for Figure 4 The left view;

[0026] Figure 7for Figure 4 A structural diagram of the shielding frame is omitted. Detailed Implementation

[0027] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0028] like Figures 1-7 As shown, a double-rotation counting and stacking machine for napkins includes a frame 1, a counting and flipping component 2, a pushing component 3, a pushing component 4, a rotating component 5, an ejecting component 6, and an output component 7.

[0029] The frame 1 is vertically arranged, and a worktable 10 is horizontally provided on it.

[0030] The counting and flipping component 2 is disposed on the workbench 10; according to the process flow, the following components are arranged in sequence on the rear side of the counting and flipping component 2: pushing component 3, pushing in component 4, rotating component 5, pushing out component 6, and output component 7.

[0031] The counting and flipping component 2 is used to pick up a specific number of tissues (each tissue is set vertically, assembled into a column and fed in, the counting and flipping component 2 picks up a specific number of tissues at the front end), flips them 90 degrees, and places them horizontally on the pushing component 3.

[0032] The counting and flipping assembly 2 includes a servo motor 21, a rotating shaft 22, a swing arm 23, a cylinder 24, a pin 25, and a back plate 26. The servo motor 21 is horizontally fixed on the worktable 10, and its output shaft is connected to the rotating shaft 22, driving the rotating shaft 22 to rotate and swing. The swing arm 23 is fixed on the rotating shaft 22, and a cylinder 24 is fixed on its top. The output shaft of the cylinder 24 is connected to the horizontally positioned pin 25, and the cylinder 24 drives the pin to extend and retract. The back plate 26 is vertically fixed on the rotating shaft 22, and a feeding platform 27 is provided on the front side of the back plate 26. The horizontal distance between the pin 25 and the back plate 26 is adjustable (by adjusting the back plate 26 forward and backward). For example, if the thickness of a three-ply napkin is 1mm, then the thickness of a pack of 100 napkins is 10cm, and the horizontal distance between the pin 25 and the back plate 26 is set to 10cm. Because the paper rolls are fed in close contact, when the cylinder 24 drives the inserter 25 to insert into the paper roll, the inserter 25 and the back plate 26 together hold exactly 10cm thick tissues, which is exactly 100 sheets. Because the tip of the inserter 25 is pointed, it is very easy to insert between adjacent tissues, making it convenient to separate them.

[0033] Preferably, in order to maintain the stability of the paper stack shape at the input end when the counting and flipping assembly 2 flips the paper towel (because the back plate 26 and the pin 25 rotate and move backward, the paper towel on the front side will lose its obstruction), a substitute baffle plate 28 is also provided; the substitute baffle plate 28 is located directly above the pin 25. When the pin 25 inserts into the paper stack to separate the gap between the front and rear paper towels, the substitute baffle plate 28 also inserts into the gap; the top of the substitute baffle plate 28 is connected to the output of the second cylinder 29. When the counting and flipping assembly 2 resets, the substitute baffle plate 28 also resets.

[0034] The pushing component 3 includes a second motor 31, a synchronous belt 32, a main synchronous pulley, a secondary synchronous pulley, and a lever 33. The second motor 31 is fixed to the bottom of the worktable 10, and its output shaft is connected to the main synchronous pulley. The two ends of the synchronous belt 32 are respectively sleeved on the main synchronous pulley and the secondary synchronous pulley. The lever 33 is vertically arranged and fixed to the top of the synchronous belt 32. The second motor 31 drives the lever 33 to slide back and forth, thereby pushing the paper stack rotated to the horizontal position on the counting and flipping component 2 forward. The width of the paper towel is greater than the width of the back plate 26. There are several levers 33 located on both sides of the back plate. The worktable 10 is provided with a clearance groove 11, and the lever 33 is inserted into the clearance groove 11 and slides within the clearance groove 11.

[0035] The push-in component 4 and push-out component 6 have the same structure and are existing technologies, so they will not be described in detail here. The push-in component 4 includes a motor 40, a synchronous belt 41, a main synchronous pulley 3, a secondary synchronous pulley 3, a left push plate 42, and a right push plate 43. The output shaft of the motor 40 is connected to the main synchronous pulley 3, and the two ends of the synchronous belt 41 are respectively sleeved on the main synchronous pulley 3 and the secondary synchronous pulley 3. The left push plate 42 and the right push plate 43 are vertically fixed at the upper and lower ends of the synchronous belt 41. The motor 40 drives the left push plate 42 and the right push plate 43 to slide, thereby pushing the paper stack onto the rotating component 5.

[0036] The rotating assembly 5 includes a motor 50 and a rotating table 51. The motor 50 is vertically positioned, and its output shaft is connected to the horizontally positioned rotating table 51. The rotating table 51 is located in a mounting hole on the worktable 10 and is horizontally aligned with the worktable 10. There are two rotating assemblies 5, left and right, with different rotation directions. The right one rotates 90 degrees clockwise, and the left one rotates 90 degrees counterclockwise. In this way, the cut end of the tissue can be rotated to the same side.

[0037] The ejector component 6 ejects the paper stack on the rotary table 51 and pushes it to the output component 7;

[0038] Output component 7 is a standard material conveyor line, its width being adapted to the width of the tissues. Output component 7 conveys the stacked tissues, after being sorted and adjusted for orientation, to the subsequent packaging station.

[0039] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and alterations to these embodiments without departing from the principles and spirit of this utility model will still fall within the protection scope of this utility model.

Claims

1. A double-rotation counting and stacking machine for napkins, characterized in that: Includes a rack, a counting and flipping assembly, a pushing assembly, a pushing-in assembly, a rotating assembly, an ejection assembly, and an output assembly; The frame is vertically arranged, with a horizontal worktable on top; The counting and flipping component is mounted on the workbench surface; behind the counting and flipping component, a pushing component, a pushing in component, a rotating component, an ejecting component, and an output component are arranged in sequence. The counting and flipping assembly includes a servo motor, a rotating shaft, a swing arm, a cylinder, a pin, and a back plate for stopping materials. The servo motor is horizontally fixed on the worktable, and its output shaft is connected to the rotating shaft, driving the rotating shaft to rotate and swing. The swing arm is fixed on the rotating shaft, and a cylinder is fixed on its top. The cylinder output shaft is connected to the horizontally arranged pin, and the cylinder drives the pin to extend and retract. The back plate for stopping materials is vertically fixed on the rotating shaft, and a feeding platform is provided on the front side of the back plate for stopping materials. The horizontal spacing between the insert pin and the back plate is adjustable.

2. The napkin double-rotation counting and stacking machine according to claim 1, characterized in that: It also features a baffle plate; the baffle plate is positioned directly above the insertion pin.

3. The napkin double-rotation counting and stacking machine according to claim 2, characterized in that: The pushing component includes a second motor, a synchronous belt, a main synchronous belt pulley, a secondary synchronous belt pulley, and a lever; the second motor is fixed to the bottom of the worktable, and its output shaft is connected to the main synchronous belt pulley, with the two ends of the synchronous belt respectively fitted onto the main synchronous belt pulley and the secondary synchronous belt pulley; The lever is vertically mounted and fixed to the top of the synchronous belt; There are several levers located on both sides of the back plate; the worktable is provided with clearance grooves, and the levers are inserted into the clearance grooves and slide within them.

4. The napkin double-rotation counting and stacking machine according to claim 3, characterized in that: The push-in component and the push-out component have the same structure; the push-in component includes a motor, a synchronous belt, a main synchronous pulley, a secondary synchronous pulley, a left push plate, and a right push plate; the output shaft of the motor is connected to the main synchronous pulley, and the two ends of the synchronous belt are respectively sleeved on the main synchronous pulley and the secondary synchronous pulley; the left push plate and the right push plate are vertically fixed at the upper and lower ends of the synchronous belt; the motor drives the left push plate and the right push plate to slide, thereby pushing the paper stack onto the rotating component.

5. The napkin double-rotation counting and stacking machine according to any one of claims 1-4, characterized in that: The rotating assembly includes a fourth motor and a rotating platform; the fourth motor is vertically arranged, and its output shaft is connected to the horizontally arranged rotating platform; the rotating platform is located in the mounting hole on the worktable and is horizontally aligned with the worktable.

6. The napkin double-rotation counting and stacking machine according to claim 5, characterized in that: The rotating components consist of two parts, left and right, with different rotation directions: the right part rotates 90 degrees clockwise, and the left part rotates 90 degrees counterclockwise.

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