Full-automatic boxing equipment for dental floss picks

By designing fully automatic boxing equipment for flossing rods, using robots and transmission belts to realize automatic loading and feeding of floss racks, combined with adapter and feeding components to realize automatic boxing of flossing rods, solving the problems of high pollution risk, low efficiency and high labor costs in the prior art, improving production efficiency and reducing costs.

CN223187728UActive Publication Date: 2025-08-05倪顺涨
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Patent Information

Application Number
CN202422531649.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-08-05
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

There are problems such as risk of pollution, inefficiency and high labor costs during the boxing of existing floss rods.

Method used

A fully automatic boxing equipment for flossing rods is designed, including a rack loading device, feeding device, feeding device and box conveying device. The automatic boxing, feeding and loading of flossing racks is realized through robots and transmission belts, and the automatic boxing of flossing rods is realized by combining adapter and feeding components.

Benefits of technology

It realizes fully automatic boxing of floss rods, improves production efficiency, reduces labor costs, and ensures product hygiene.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses full-automatic boxing equipment for dental floss picks. According to the key points of the technical scheme, the dental floss pick boxing machine comprises a main machine frame, a material frame feeding device arranged on the main machine frame and used for conveying a dental floss material frame, a material frame feeding device used for transferring the dental floss material frame sent out by the material frame feeding device, and a dental floss pick sending and loading device used for boxing dental floss picks on the dental floss material frame sent out by the material frame feeding device, the box conveying device is arranged on the main rack and is used for conveying the dental floss box; the material frame feeding device comprises a feeding conveying belt and a feeding motor, a displacement limiting base is arranged on the feeding conveying belt, the material frame feeding device comprises a clamping mechanical arm, a feeding motor and a feeding transmission belt, and the floss pick feeding and loading device comprises a switching part and a feeding and loading part. The switching part comprises a switching frame, a switching driver, a switching shifting piece and a switching shifting piece driver; and the conveying and loading part comprises a conveying and loading rod, an X-direction conveying and loading driver, a conveying and loading shifting piece and a conveying shifting piece driver. The production efficiency is improved, and the labor cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the field of automation technology, and more specifically, to a fully automatic boxing device for dental floss picks. Background Art

[0002] Dental floss sticks, also known as dental floss picks, are a product used in conjunction with a toothbrush in daily oral care. Before dental floss sticks were introduced, people used dental floss to achieve the same effect. Compared to dental floss, dental floss sticks are more convenient, efficient, safe, and hygienic. When selling dental floss sticks, several dental floss sticks are placed in a box or bag and sold as a whole box or bag. In the prior art, after multiple dental floss sticks are molded simultaneously in an injection molding machine, a robot grabs them onto a loading rack, and then manually places them into a box according to the specified quantity to complete the boxing operation. However, the manual boxing process inevitably causes contamination of the dental floss sticks, making it impossible to ensure product hygiene. In addition, the operation takes a long time and is inefficient, seriously affecting the company's production efficiency. At the same time, the labor cost is also high. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a fully automatic box packing device for dental floss picks to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a fully automatic dental floss box packing device, comprising a main frame, a rack loading device disposed on the main frame for conveying a dental floss rack, a rack feeding device for moving the dental floss rack delivered by the rack loading device, a dental floss feeding device for packing the dental floss sticks on the dental floss rack delivered by the rack feeding device into boxes, and a box conveying device disposed on the main frame for conveying dental floss boxes;

[0005] The material rack loading device includes a feed conveyor belt arranged on a main frame for conveying the dental floss material rack, and a feed motor for driving the feed conveyor belt to rotate, the feed conveyor belt is provided with a limit displacement seat for receiving the dental floss material rack, a plurality of limit displacement seats are provided, and each limit displacement seat is arranged at intervals along the length direction of the feed conveyor belt, the discharge end of the feed conveyor belt is provided with a material rack transfer rack for transferring the dental floss material rack, a material rack transverse transfer assembly for driving the material rack transfer rack to move transversely, and a material rack longitudinal transfer assembly for driving the material rack transfer rack to move longitudinally, and the direction in which the material rack transverse transfer assembly drives the material rack transfer rack to move is consistent with the conveying direction of the feed conveyor belt;

[0006] The material rack feeding device includes a clamping manipulator slidably connected to the main frame for clamping the dental floss material rack, a feeding motor for driving the clamping manipulator to slide on the main frame, and a feeding transmission belt connected between the feeding motor and the clamping manipulator. The feeding motor drives the feeding transmission belt to rotate in the process of driving the clamping manipulator to quickly slide back and forth between the loading position and the unloading position on the main frame. When the clamping manipulator is at the unloading position, the feeding motor can drive the clamping manipulator to move intermittently in a directional manner.

[0007] The dental floss stick feeding and loading device includes a transfer component arranged on the main frame and capable of transferring the dental floss stick on the dental floss material rack, and a dental floss stick feeding and loading component arranged on the main frame and capable of transferring the dental floss stick on the transfer component, the transfer component includes a transfer frame rotatably connected to the main frame, a transfer driver for driving the transfer frame to intermittently rotate on the main frame, a transfer paddle slidably connected to the main frame and used to transfer the dental floss stick on the dental floss material rack to the transfer frame, and a transfer paddle driver for driving the transfer paddle to directional reciprocating sliding on the main frame, the transfer frame includes a transfer rod capable of passing through the dental floss stick; the feeding and loading component includes a transfer rod slidably connected to the main frame and capable of passing through the dental floss stick The invention relates to a feeding rod of a rod, an X-direction feeding driver for driving the feeding rod to slide back and forth in a directional manner on the main frame, a feeding paddle slidably connected to the main frame and used to shift the dental floss stick on the adapter rod to the feeding rod, and a feeding paddle driver for driving the feeding paddle to slide back and forth in a directional manner on the main frame; the process of the adapter frame driven by the adapter driver to rotate includes a transfer loading state when the adapter rod is docked with the dental floss material rack, and a transfer unloading state when the adapter rod is docked with the feeding rod; the process of the X-direction feeding driver driving the feeding rod to slide back and forth includes a feeding loading state when the feeding rod is docked with the adapter rod, and a feeding unloading state when the dental floss stick on the feeding rod corresponds to the packaging box or bag.

[0008] In summary, the utility model has the following beneficial effects: when the dental floss rack is being transported to the discharge end on the rack loading device, when the dental floss rack on the feed conveyor belt falls onto the rack transfer rack, the dental floss rack can be driven to transfer to the rack feeding device of the next process through the rack transverse transfer assembly and the rack longitudinal transfer assembly, thereby making automatic loading of the dental floss rack possible.

[0009] The dental floss rack is transported to the loading position by the rack loading device, and the clamping manipulator at the loading position can clamp the dental floss rack sent by the rack loading device, and then the feeding motor quickly drives the clamping manipulator to slide to the unloading position through the feeding transmission belt. When the clamping manipulator is at the unloading position, the dental floss stick feeding device can move the dental floss on the dental floss rack into the dental floss box. However, since the existing dental floss rack usually includes multiple material rods for receiving dental floss, each material rod is arranged like a comb, and each material rod bears When multiple dental flosses are connected, after all the dental floss on the first feed rod on the dental floss rack has been moved into the dental floss box, the feeding motor can drive the clamping robot at the lower feeding position to move a certain distance (the distance is the distance between the two feed rods), so that the second feed rod can correspond to the dental floss stick feeding device, facilitating the movement of the dental floss on it for boxing. The feeding motor drives the clamping robot to repeatedly move intermittently until all the dental floss on the dental floss rack has been moved into the dental floss box, thereby making automatic feeding of dental floss sticks possible.

[0010] When the transfer rod is in the transfer loading state, the end of the transfer rod will dock with the dental floss material rack, and the rotating paddle driver can drive the transfer paddle to push the dental floss stick on the dental floss material rack onto the transfer rod, and then the rotating paddle driver will drive the transfer paddle to reset and slide, and at the same time, the transfer driver intermittently drives the transfer rack to rotate so that the transfer rod is in the transfer unloading state and pauses, and then the X-direction feeding driver drives the feeding rod to be in the feeding loading state, so that the end of the feeding rod will dock with the end of the transfer rod, and the feeding paddle driver can drive the feeding paddle to push the dental floss stick on the transfer rod onto the feeding rod, and then the feeding paddle driver will drive the feeding paddle to reset and slide, and at the same time, the X-direction feeding driver drives the feeding rod to slide to the feeding unloading state, and then cooperate with the side baffle at the opening of the packaging box or bag in the attached figure of the manual to drop the dental floss stick on the feeding rod, thereby making automatic feeding of the dental floss stick possible, thereby realizing full automation, which is conducive to improving production efficiency and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the three-dimensional structure of the fully automatic boxing equipment for dental floss picks;

[0012] Figure 2 It is a schematic diagram of the three-dimensional structure of the material rack loading device;

[0013] Figure 3 It is a schematic diagram of the three-dimensional structure of the material rack transfer rack;

[0014] Figure 4 It is a schematic diagram of the three-dimensional structure of the material rack feeding device;

[0015] Figure 5 It is a schematic diagram of the three-dimensional structure of the other side of the material rack feeding device;

[0016] Figure 6 A schematic diagram of the three-dimensional structure of a dental floss pick feeding device;

[0017] Figure 7 It is a schematic diagram of the three-dimensional structure of forward and reverse feeding components;

[0018] Figure 8 It is a schematic diagram of the three-dimensional structure of a group of delivery components;

[0019] Figure 9 It is a schematic diagram of the three-dimensional structure of the box conveying device;

[0020] Figure 10 Schematic diagram of the three-dimensional structure of the cover box component;

[0021] Figure 11 Schematic diagram of the three-dimensional structure of the unloading robot.

[0022] Reference numerals: 1, main frame; 2, material rack loading device; 21, feeding conveyor belt; 211, limit displacement seat; 2111, limit embedding groove; 22, feeding motor; 23, material rack transfer frame; 231, transfer front support; 232, transfer rear support; 24, material rack horizontal transfer assembly; 241, material rack horizontal transfer seat; 242, material rack horizontal transfer cylinder; 25, material rack longitudinal transfer assembly; 251, material rack longitudinal transfer seat; 252, material rack longitudinal transfer cylinder; 26 , detection sensor; 3, material rack feeding device; 31, clamping manipulator; 311, clamping slide; 312, fixed clamping block; 313, clamping cylinder; 314, movable clamping block; 32, feeding motor; 33, positioning sensor; 4, dental floss pick feeding device; 41, adapter component; 411, adapter rack; 4111, adapter rod; 412, adapter driver; 413, adapter paddle; 414, paddle driver; 415, slip-off limit rod; 416, adapter support; 42. Feeding assembly; 421. Feeding rod; 4211. Rotation limit rod; 422. X-axis feeding drive; 423. Feeding paddle; 424. Feeding paddle drive; 425. Rotating feeding drive; 426. Y-axis feeding drive; 427. Z-axis feeding drive; 43. Counting probe; 5. Carton conveying device; 51. Carton feeding assembly; 511. Carton feeding conveyor belt; 512. Carton feeding motor; 513. Limiting base; 5131. Push port; 52. Carton loader Manipulator; 53, box cover component; 531, cover-pushing component; 532, horizontal cover-fastening device; 5321, horizontal cover-fastening slide; 5322, horizontal cover-fastening cylinder; 533, vertical cover-fastening device; 5331, vertical cover-fastening slide; 5332, vertical cover-fastening cylinder; 54, box unloading manipulator; 541, box unloading cylinder; 542, transfer component; 5421, first transfer cylinder; 5422, first receiving platform; 5423, second transfer cylinder; 5424, second receiving platform. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings of the embodiments of the present invention to clearly and completely describe the technical solutions of the embodiments of the present invention, wherein the same reference numerals are used to represent the same parts. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the drawings, and the terms "bottom," "top," "inner," and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0024] Reference Figure 1-11 As shown, a fully automatic dental floss box packing device includes a main frame 1, a rack loading device 2 arranged on the main frame 1 for conveying a dental floss rack, a rack feeding device 3 for moving the dental floss rack delivered by the rack loading device 2, a dental floss feeding device 4 for packing the dental floss sticks on the dental floss rack delivered by the rack feeding device 3 into boxes, and a box conveying device 5 arranged on the main frame 1 for conveying dental floss boxes; the main frame 1 is a floor-standing frame structure for mounting various devices.

[0025] The material rack loading device 2 includes a feeding conveyor belt 21 provided on the main frame 1 for conveying the dental floss material rack, and a feeding motor 22 for driving the feeding conveyor belt 21 to rotate. The feeding conveyor belt 21 is provided with a limit displacement seat 211 for receiving the dental floss material rack. There are multiple limit displacement seats 211, and each limit displacement seat 211 is arranged at intervals along the length direction of the feeding conveyor belt 21. The discharge end of the feeding conveyor belt 21 is provided with a material rack transfer frame 23 for transferring the dental floss material rack, a material rack lateral transfer assembly 24 for driving the material rack transfer frame 23 to move horizontally, and a material rack lateral transfer assembly 24 for driving the material rack The material rack longitudinal transfer component 25 drives the material rack transfer rack 23 to move longitudinally, and the material rack transverse transfer component 24 drives the material rack transfer rack 23 to move in a direction consistent with the conveying direction of the feed conveyor belt 21; and the direction in which the material rack longitudinal transfer component 25 drives the material rack transfer rack 23 to move is perpendicular to the direction in which the material rack transverse transfer component 24 drives the material rack transfer rack 23 to move, so the direction in which the material rack longitudinal transfer component 25 drives the material rack transfer rack 23 to move can be horizontal or in the height direction of the main frame 1, so that the discharge position of the material rack loading device 2 can be flexibly adjusted according to the position of the material rack feeding device 3.

[0026] The rack feeding device 3 includes a gripping manipulator 31 that is slidably connected to the main frame 1 for gripping the dental floss rack, a feeding motor 32 for driving the gripping manipulator 31 to slide on the main frame 1, and a feeding belt that is transmission-connected between the feeding motor 32 and the gripping manipulator 31. The feeding belt is rotationally connected to the main frame 1. The transmission connection between the feeding motor 32 and the feeding belt is a well-known technique and adopts a conventional design. In this application, the feeding belt preferably adopts a belt structure. The gripping manipulator 31 is detachably connected to the feeding belt. The feeding motor 32 drives the feeding belt to rotate, which can drive the gripping manipulator 31 to slide back and forth rapidly between the loading and unloading positions on the main frame 1. When the gripping manipulator 31 is in the unloading position, the feeding motor 32 can drive the gripping manipulator 31 to move intermittently in a directional manner.

[0027] The dental floss stick feeding and loading device 4 includes an adapter component 41 arranged on the main frame 1 and capable of transferring the dental floss stick on the dental floss material rack, and a dental floss stick feeding and loading component 42 arranged on the main frame 1 and capable of transferring the dental floss stick on the adapter component 41. The adapter component 41 includes an adapter frame 411 rotatably connected to the main frame 1, and a transfer driver 412 for driving the transfer frame 411 to intermittently rotate on the main frame 1, and a transfer paddle 413 slidably connected to the main frame 1 and used to transfer the dental floss stick on the dental floss material rack to the adapter frame 411, and a transfer paddle driver 414 for driving the transfer paddle 413 to directionally reciprocate on the main frame 1. The adapter frame 411 includes a transfer rod 4111 capable of passing through the dental floss stick; the transfer driver 412 can be a stepping motor capable of driving the adapter frame 411 to intermittently rotate, and the transfer paddle driver 414 can be a motor-driven belt transmission method to achieve directional reciprocating sliding of the transfer paddle 413.

[0028] The feeding component 42 includes a feeding rod 421 that is slidably connected to the main frame 1 and can pass through the dental floss stick, an X-direction feeding driver 422 for driving the feeding rod 421 to slide back and forth in a directional manner on the main frame 1, a feeding paddle 423 that is slidably connected to the main frame 1 and is used to shift the dental floss stick on the adapter rod 4111 to the feeding rod 421, and a feeding paddle driver 424 for driving the feeding paddle 423 to slide back and forth in a directional manner on the main frame 1; the X-direction feeding driver 422 can be a motor-driven belt transmission method to achieve directional reciprocating sliding of the feeding rod 421, and the sliding direction of the feeding rod 421 is consistent with the length direction of the feeding rod 421; the feeding paddle driver 424 can be a motor-driven belt transmission method to achieve directional reciprocating sliding of the feeding paddle 423, and the sliding direction of the feeding paddle 423 is consistent with the length direction of the feeding rod 421.

[0029] The process of the adapter rack 411 being driven to rotate by the adapter driver 412 includes a transfer loading state when the adapter rod 4111 is docked with the dental floss rack, and a transfer unloading state when the adapter rod 4111 is docked with the feeding rod 421; as shown in the accompanying drawings of the specification, the dental floss rack is in a comb shape and includes multiple dental floss rods, each of which is hung with a number of dental floss sticks, when the adapter rod 4111 is in the transfer loading state, one end of the adapter rod 4111 abuts against one end of a dental floss stick, and the adapter rod 4111 is coaxially arranged with the dental floss stick; when the adapter rod 4111 is in the transfer unloading state, one end of the adapter rod 4111 abuts against one end of the feeding rod 421, and the adapter rod 4111 is coaxially arranged with the feeding rod 421.

[0030] The X-axis feeding driver 422 drives the feeding rod 421 to slide back and forth, including a feeding state (when the feeding rod 421 is docked with the adapter rod 4111) and a feeding state (when the dental floss stick on the feeding rod 421 is aligned with the packaging box or bag). In the feeding state, one end of the feeding rod 421 abuts against the other end of the adapter rod 4111, and the adapter rod 4111 and the feeding rod 421 are coaxially arranged. In the feeding state, the dental floss stick on the feeding rod 421 can be placed into the packaging box or bag.

[0031] When the dental floss rack is being transported on the rack loading device 2 to the discharge end, when the dental floss rack on the feed conveyor belt 21 falls onto the rack transfer rack 23, the dental floss rack can be driven to be transferred to the rack feeding device 3 of the next process through the rack transverse transfer component 24 and the rack longitudinal transfer component 25, thereby making automatic loading of the dental floss rack possible.

[0032] The dental floss rack is transported to the loading position by the rack loading device 2. The clamping manipulator 31 at the loading position can clamp the dental floss rack delivered by the rack loading device 2. Then, the feeding motor 32 quickly drives the clamping manipulator 31 to slide to the unloading position through the feeding transmission belt. When the clamping manipulator 31 is at the unloading position, the dental floss stick feeding device 4 can move the dental floss on the dental floss rack into the dental floss box. However, since the existing dental floss rack usually includes multiple material rods for receiving dental floss, each material rod is arranged like a comb, and each material rod has a To receive multiple dental flosses, when all the dental flosses on the first material rod on the dental floss rack have been transferred to the dental floss box, the feeding motor 32 can drive the clamping robot 31 at the lower material position to move a certain distance (the distance is the distance between the two material rods), so that the second material rod can correspond to the dental floss stick feeding device 4, facilitating the transfer of the dental floss on it to the boxing operation. The feeding motor 32 drives the clamping robot 31 to repeatedly move intermittently until all the dental floss on the dental floss rack has been transferred to the dental floss box, thereby making automatic feeding of the dental floss stick possible.

[0033] When the transfer rod 4111 is in the transfer loading state, the end of the transfer rod 4111 will dock with the dental floss rack, and the rotating paddle driver 414 can drive the transfer paddle 413 to shift the dental floss stick on the dental floss rack onto the transfer rod 4111, and then the rotating paddle driver 414 will drive the transfer paddle 413 to reset and slide, and at the same time, the transfer driver 412 intermittently drives the transfer rack 411 to rotate so that the transfer rod 4111 is in the transfer unloading state and pauses, and then the X-direction feeding driver 422 drives the feeding rod 421 to be in the feeding loading state, so that the end of the feeding rod 421 will dock with the transfer rod 4111. The ends of the connecting rod 4111 are butted, and the feeding paddle driver 424 can drive the feeding paddle 423 to push the dental floss stick on the connecting rod 4111 onto the feeding rod 421. Then, the feeding paddle driver 424 will drive the feeding paddle 423 to reset and slide. At the same time, the X-direction feeding driver 422 drives the feeding rod 421 to slide to the feeding and unloading state, and then cooperates with the side baffle at the opening of the packaging box or bag in the accompanying drawings of the specification to unload the dental floss stick on the feeding rod 421, thereby making automatic feeding and loading of the dental floss stick possible, thereby realizing full automation, which is conducive to improving production efficiency and reducing labor costs.

[0034] Two feeding conveyor belts 21 are provided, and the two feeding conveyor belts 21 are respectively located on both sides of the conveying direction of the dental floss rack. The two limit displacement seats 211 on the two feeding conveyor belts 21 are arranged in a one-to-one correspondence. When the feeding conveyor belts 21 convey the dental floss rack, the two ends of the dental floss rack in the length direction are respectively located on the two opposite limit displacement seats 211 on the two feeding conveyor belts 21; the dental floss rack can be placed on the feeding conveyor belts 21 manually or by a robot, and the two ends of the dental floss rack in the length direction are respectively supported by the two corresponding limit displacement seats 211 on the two feeding conveyor belts 21, so that the dental floss rack can be conveyed forward in sequence and smoothly.

[0035] The limiting displacement seat 211 is provided with a limiting embedding groove 2111 for embedding one end of the dental floss rack. The opening of the limiting embedding groove 2111 is set upward, and the width of the limiting embedding groove 2111 is adapted to the width of the dental floss rack. The setting of the limiting embedding groove 2111 can facilitate the connection or separation of the limiting displacement seat 211 and the dental floss rack, thereby facilitating the manipulator to place the dental floss rack into the limiting embedding groove 2111, thereby limiting the position of the dental floss rack by the limiting displacement seat 211, and also facilitating the rack transfer rack 23 to take the dental floss rack away from the limiting embedding groove 2111.

[0036] The rack transfer frame 23 includes a front support 231 positioned between the two feed conveyor belts 21 and a rear support 232 at the same height as the front support 231. The front support 231 is no longer than the distance between the two feed conveyor belts 21. The front support 231 and the rear support 232 are arranged parallel to each other and are respectively used to receive floss on either side of the rack's width. The front support 231 is fixed to a rack longitudinal transfer base 251, while the rear support 232 is slidably connected to the rack longitudinal transfer base 251. The rear support 232 slides on the rack longitudinal transfer base 251 toward or away from the front support 231. An adjustable positioning structure is provided between the rear support 232 and the rack longitudinal transfer base 251. This adjustable positioning structure allows for adjustable spacing between the rear support 232 and the front support 231, significantly enhancing the flexibility and applicability of the rack transfer frame 233.

[0037] The front transfer support 231 is located between the two feeding conveyor belts 21, so that the front transfer support 231 is located in the transfer path of the dental floss rack during the process of the feeding conveyor belt 21 conveying the dental floss rack, which facilitates the rack transfer rack 23 to transfer the dental floss rack; and the two limit displacement seats 211 on the two feeding conveyor belts 21 respectively support the two ends of the dental floss rack in the length direction, while the front transfer support 231 and the rear transfer support 232 respectively support the two sides of the dental floss rack in the width direction, so that the rack transfer rack 23 and the limit displacement seat 211 and the feeding conveyor belt 21 will not interfere with each other, and at the same time effectively improve the stability of the rack loading device 2 in transferring the dental floss rack.

[0038] The main frame 1 is provided with a detection sensor 26 that can detect when the dental floss rack on the feed conveyor belt 21 is in a position to fall into the rack transfer rack 23. The detection sensor 26 is connected to the feed motor 22. When the detection sensor 26 detects the dental floss rack, the feed motor 22 can stop rotating. The setting of the detection sensor 26 enables the feed conveyor belt 21 to pause the feed motor 22 when the dental floss rack falls into the rack transfer rack 23, until the rack transverse transfer assembly 24 takes the rack transfer rack 23 away, that is, the rack transfer rack 23 moves the dental floss rack away from the feed conveyor belt 21, and then resumes the rotation of the feed motor 22, effectively improving the degree of automation of the rack loading device 2.

[0039] The material rack transverse transfer assembly 24 includes a material rack transverse transfer seat 241 slidingly connected to the main frame 1, and a material rack transverse transfer cylinder 242 for driving the material rack transverse transfer seat 241 to move. The material rack transverse transfer seat 241 and the main frame 1 can be slidably connected therebetween through a slide rail slider structure; the material rack longitudinal transfer assembly 25 includes a material rack longitudinal transfer seat 251 slidingly connected to the material rack transverse transfer seat 241, and a material rack longitudinal transfer cylinder 252 for driving the material rack longitudinal transfer seat 251 to move. The material rack longitudinal transfer seat 251 can be set on the material rack longitudinal transfer cylinder 252, the piston end of the material rack longitudinal transfer cylinder 252 is connected to the material rack transverse transfer seat 241, and the material rack longitudinal transfer cylinder 252 and the material rack transverse transfer seat 241 can be slidably connected therebetween through a shaft sleeve structure; the material rack transfer frame 23 is set on the material rack longitudinal transfer seat 251. By using the air cylinder, the rapid movement and positioning of the material rack transfer rack 23 can be effectively achieved.

[0040] The clamping manipulator 31 includes a clamping slide 311 slidably connected to the main frame 1, a fixed clamping block 312 provided on the clamping slide 311, a clamping cylinder 313 provided on the clamping slide 311, and a movable clamping block 314 provided on the piston rod of the clamping cylinder 313. The clamping slide 311 is detachably connected to the feeding transmission belt, and the clamping cylinder 313 drives the movable clamping block 314 to move toward or away from the fixed clamping block 312. The linear sliding between 311 and the main frame 1 can be achieved through the slide rail and slide structure. The clamping slide 311 is detachably connected to the feeding transmission belt, which can not only conveniently drive the clamping slide 311 to move through the feeding transmission belt, but also conveniently realize the position adjustment of the clamping slide 311, which greatly improves the flexibility and applicability of the clamping manipulator 31. The clamping cylinder 313 drives the movable clamping block 314 to move close to or away from the fixed clamping block 312, which can facilitate the taking and placing of the dental floss rack.

[0041] There can be multiple groups of clamping manipulators 31, and each group of clamping manipulators 31 is arranged along the sliding direction of the main frame 1. The drawings of this application show that the discharge end of a material rack loading device 2 can be provided with two groups of clamping manipulators 31, which can cooperate with two groups of material rack feeding devices 3 to perform packaging operations at the same time, which is conducive to improving work efficiency. When in use, the first clamping manipulator 31 is located at the loading position. At this time, the material rack loading device 2 can convey the dental floss material rack to correspond to the first clamping manipulator 31, so that it can clamp the dental floss material rack. Then the feeding motor 32 drives the first clamping manipulator 31 to leave and allows the second clamping manipulator 31 to be located at the loading position. After that, the material rack loading device 2 conveys another dental floss material rack to correspond to the second clamping manipulator 31, so that it can clamp the dental floss material rack. Finally, the feeding motor 32 drives the two clamping manipulators 31 to move to the lower material position.

[0042] A positioning sensor 33 capable of detecting the moving position of the clamping manipulator 31 is provided between the main frame 1 and the clamping manipulator 31. The positioning sensor 33 is in communication with the feed motor 32. The positioning sensor 33 is a well-known technology and adopts a conventional design. The positioning sensor 33 includes a sensor probe provided on the main frame 1 and a probe detection member provided on the clamping manipulator 31. When the sensor probe detects the probe detection member during the movement of the clamping manipulator 31, the feed motor 32 can be stopped, thereby facilitating the improvement of the positioning accuracy of the clamping manipulator 31. In the present application, multiple positioning sensors 33 can be provided, corresponding to the positions of the clamping manipulator 31 when the clamping manipulator 31 is located at the loading position and the unloading position, respectively.

[0043] At least two transfer rods 4111 are provided, and the number of transfer rods 4111 is an even number, and the two transfer rods 4111 form a group, and when one transfer rod 4111 of a group is in the transfer loading state, the other transfer rod 4111 is in the transfer unloading state; the arrangement of the two transfer rods 4111 enables one transfer rod 4111 to be in the transfer loading state when the other transfer rod 4111 is in the transfer unloading state, so that the transfer component 41 can simultaneously realize the loading and unloading of the dental floss stick, which is beneficial to improving production efficiency.

[0044] The adapter component 41 may also include a stopper lever 415 to prevent the flosser from being thrown off the adapter rod 4111. The stopper lever 415 is bent into a C-shape, with one end corresponding to the adapter rod 4111 in the loading state and the other end corresponding to the adapter rod 4111 in the unloading state. The shape of the stopper lever 415 is similar to the rotational trajectory of the outer end of the adapter rod 4111, effectively preventing the flosser from being thrown off the adapter rod 4111 during the rotation of the adapter frame 4111.

[0045] The transfer component 41 also includes a transfer support 416 for adjusting the inclination angle of the dental floss stick. The transfer support 416 is located below the transfer rod 4111 in the transfer unloading state. The gap between the transfer support 416 and the transfer rod 4111 determines the inclination angle of the dental floss stick at this location. By adjusting the gap between the transfer support 416 and the transfer rod 4111, the inclination angle of the dental floss stick at this location is adapted to the rotation limiting structure on the feeding rod 421, which is conducive to improving the stability of the dental floss stick during the process of transferring from the transfer rod 4111 to the feeding rod 421.

[0046] A counting probe 43 for counting dental floss sticks is mounted on the main frame 1 and is located above the transfer rod 4111 when the device is in the unloading state. This probe 43 is a well-known technique and employs a conventional design. It counts the dental floss sticks on the transfer rod 4111, thereby counting the number of floss sticks placed in a packaging box or bag. If the number of dental floss sticks on the transfer rod 4111 falls below a set value, the boxes or bags can be removed from the packaging line after the current loading step has been completed.

[0047] The feeding component 42 also includes a rotating feeding driver 425 that can drive the feeding rod 421 to rotate axially. The feeding rod 421 is provided with a limiting rod 4211 that can limit the rotation of the dental floss stick on the feeding rod 421. The limiting rod 4211 is arranged parallel to the feeding rod 421, and the distance between the feeding rod 421 and the limiting rod 4211 is smaller than the length of the dental floss stick. After the feeding rod 421 with a smaller outer diameter passes through the dental floss stick, the limiting rod 4211 can rotate accordingly during the process of the rotating feeding driver 425 driving the feeding rod 421 to rotate axially, thereby dragging the tail end of the dental floss stick to adjust its posture.

[0048] Since the dental floss sticks are larger at one end and smaller at the other end, resembling the number 9, when the dental floss sticks are placed in a packaging box or bag, the feeding drive 425 can be rotated to drive the feeding rod 421 to rotate axially, thereby adjusting the posture of the dental floss sticks when dropping the floss, thereby facilitating the packaging of multiple groups of dental floss sticks in the form of 9 or 6 into the packaging box or bag, effectively improving the flexibility and applicability of the feeding device, and greatly improving the degree of automation of the feeding device.

[0049] The dental floss pick feeding device 4 in the present application includes two groups of forward feeding components 42 and reverse feeding components 42, which can respectively put the dental floss picks into the packaging box or bag in 9 patterns or 6 patterns, and can realize the filling operation of the packaging box or bag passing through the forward feeding components 42 and the reverse feeding components 42 in sequence during the movement through the conveyor belt, thereby effectively improving the utilization rate of the storage space of the packaging box or bag, and thus helping to reduce the packaging volume.

[0050] The feeding assembly 42 also includes a Y-axis feeding actuator 426 that drives the feeding rod 421 in a Y-axis reciprocating motion, and a Z-axis feeding actuator 427 that drives the feeding rod 421 in a Z-axis reciprocating motion. The X-axis feeding actuator 422, the Y-axis feeding actuator 426, and the Z-axis feeding actuator 427 each enable three-dimensional control of the feeding rod 421 in various directions, greatly enhancing the flexibility and applicability of the feeding rod 421. The various directional feeding actuators facilitate the delivery of dental floss picks into packaging boxes or bags.

[0051] The box conveying device 5 includes a box feeding component 51 for conveying the dental floss box, a box loading robot 52 arranged at the feeding end of the box feeding component 51 and used to place the dental floss box on the box feeding component 51, a box covering component 53 arranged on the box feeding component 51 and used to cover the box cover of the dental floss box, and a box lowering robot 54 arranged at the discharging end of the box feeding component 51 and used to move the dental floss box away; wherein the box loading robot 52 is a well-known technology and adopts a common design, and is used to place the dental floss box on the feeding end of the box feeding component 51 to realize automatic loading of the dental floss box.

[0052] The box feeding component 51 includes a box feeding conveyor belt 511 rotatably connected to the main frame 1, a box feeding motor 512 for driving the box feeding conveyor belt 511, and a limiting base 513 arranged on the box feeding conveyor belt 511 for limiting the position of the dental floss box. There are multiple limiting bases 513, and each limiting base 513 is arranged along the length direction of the box feeding conveyor belt 511; the limiting base 513 is used to limit the dental floss box, and each limiting base 513 can be evenly arranged on the box feeding conveyor belt 511, and the box feeding motor 512 can intermittently drive the box feeding conveyor belt 511 to move, thereby facilitating the loading of the dental floss box, the filling of the dental floss stick and the unloading of the dental floss box.

[0053] The cover box component 53 is arranged near the discharge end of the box feeding component 51, and the cover box component 53 includes a cover-pushing component 531 for pushing the cover of the dental floss box, a horizontal cover-fastening device 532 for driving the cover-pushing component 531 to move horizontally, and a vertical cover-fastening device 533 for driving the cover-pushing component 531 to move vertically; the box loading robot 52 can place the dental floss box with the cover in the open state on the box feeding component 51, and then drive the dental floss box through the filling process of the dental floss stick through the box feeding component 51, and then the cover of the dental floss box can be fastened by the cover box component 53, wherein the horizontal cover-fastening device 532 and the vertical cover-fastening device 533 can fasten the cover of the dental floss box in the process of driving the cover-pushing component 531 to move.

[0054] The box unloading robot 54 includes a box unloading cylinder 541 that can remove the dental floss box from the limiting base 513, and a transfer component 542 that can cooperate with the box unloading cylinder 541 to move the dental floss box away, so as to realize automatic unloading of the dental floss box from the box feeding component 51.

[0055] The box conveying device 5 can place the opened dental floss box onto the box feeding component 51 through the box loading robot 52, and then the box feeding component 51 can drive the dental floss box to move intermittently, so that the dental floss box can pass through the equipment of the dental floss stick filling process, and then the box cover of the dental floss box is buckled up through the box covering component 53, and finally the dental floss box is unloaded through the box unloading robot 54. Therefore, the box conveying device 5 makes it possible to automatically deliver and load the dental floss box.

[0056] The transverse cover-fastening device 532 includes a transverse cover-fastening slide 5321 that is laterally slidably connected to the main frame 1, and a transverse cover-fastening cylinder 5322 for driving the transverse cover-fastening slide 5321 to move. The longitudinal cover-fastening device 533 includes a longitudinal cover-fastening slide 5331 that is longitudinally slidably connected to the transverse cover-fastening slide 5321, and a longitudinal cover-fastening cylinder 5332 for driving the longitudinal cover-fastening slide 5331 to move. The cover-lifting member 531 is arranged in a wheel-shaped structure and is rotatably connected to the longitudinal cover-fastening slide 5331. The horizontal cover-closing cylinder 5322 can drive the horizontal cover-closing slide 5321 to slide back and forth horizontally on the main frame 1, and the longitudinal cover-closing cylinder 5332 can drive the longitudinal cover-closing slide 5331 to slide back and forth longitudinally on the main frame 1. The horizontal cover-closing device 532 can control the operating trajectory of the cover-pushing member 531 by regulating the horizontal cover-closing cylinder 5322 and the longitudinal cover-closing cylinder 5332, and the cover-pushing member 531 is wheel-shaped, which can flexibly close the lid of the dental floss box.

[0057] The limiting base 513 is provided with a push-up opening 5131 extending through its thickness. The push-up opening 5131 is located in the middle of the dental floss box. The lower box cylinder 541 is located below the push-up opening 5131. The transfer component 542 is located above the limiting base 513. After the lower box cylinder 541 lifts the dental floss box on the limiting base 513, the transfer component 542 can drive the dental floss box to drop. When the lower box cylinder 541 is in operation, it can lift the dental floss box from the limiting base 513, and the lifted dental floss box can be removed by the transfer component 542, facilitating the automatic drop of the dental floss box from the delivery component 51.

[0058] The transfer component 542 includes a first transfer cylinder 5421 that can move the dental floss box lifted by the lower box cylinder 541, a first receiving platform 5422 that can receive the dental floss box moved by the first transfer cylinder 5421, a second transfer cylinder 5423 that can move the dental floss box on the first receiving platform 5422, and a second receiving platform 5424 that can receive the dental floss box moved by the second transfer cylinder 5423. The moving direction of the dental floss box driven by the first transfer cylinder 5421 and the moving direction of the dental floss box driven by the second transfer cylinder 5423 are arranged crosswise. The height to which the dental floss box is lifted by the lower box cylinder 541 is not lower than the height of the first receiving platform 5422, and the height of the second receiving platform 5424 is not higher than the height of the first receiving platform 5422. After the lower box cylinder 541 lifts the dental floss box from the limiting base 513, the first transfer cylinder 5421 drives the push plate to push the lifted dental floss box onto the first receiving platform 5422, and the second transfer cylinder 5423 then drives the push plate to push the dental floss box on the first receiving platform 5422 onto the second receiving platform 5424, thereby facilitating the automatic blanking of the dental floss box, and the second receiving platform 5424 can be a conveyor belt structure to facilitate the transportation of the dental floss box to the packaging location.

[0059] The above are only preferred embodiments of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A fully automatic cartoning device for dental floss picks, characterized by: The invention comprises a main frame (1), a rack loading device (2) arranged on the main frame (1) for conveying a dental floss rack, a rack feeding device (3) for moving the dental floss rack delivered by the rack loading device (2), a dental floss stick feeding device (4) for packing the dental floss sticks on the dental floss rack delivered by the rack feeding device (3) into a box, and a box feeding device (5) arranged on the main frame (1) for conveying a dental floss box. The material rack loading device (2) includes a feeding conveyor belt (21) arranged on the main frame (1) for conveying the dental floss material rack, and a feeding motor (22) for driving the feeding conveyor belt (21) to rotate, the feeding conveyor belt (21) is provided with a limit displacement seat (211) for receiving the dental floss material rack, a plurality of limit displacement seats (211) are provided, and each limit displacement seat (211) is arranged at intervals along the length direction of the feeding conveyor belt (21), the discharge end of the feeding conveyor belt (21) is provided with a material rack transfer frame (23) for transferring the dental floss material rack, a material rack transverse transfer assembly (24) for driving the material rack transfer frame (23) to move transversely, and a material rack longitudinal transfer assembly (25) for driving the material rack transfer frame (23) to move longitudinally, and the direction in which the material rack transverse transfer assembly (24) drives the material rack transfer frame (23) to move is consistent with the conveying direction of the feeding conveyor belt (21); The material rack feeding device (3) comprises a clamping manipulator (31) slidably connected to the main frame (1) for clamping the dental floss material rack, a feeding motor (32) for driving the clamping manipulator (31) to slide on the main frame (1), and a feeding transmission belt connected between the feeding motor (32) and the clamping manipulator (31). The feeding motor (32) drives the feeding transmission belt to rotate, which can drive the clamping manipulator (31) to slide back and forth quickly between the upper material position and the lower material position on the main frame (1). When the clamping manipulator (31) is located at the lower material position, the feeding motor (32) can drive the clamping manipulator (31) to move intermittently in a directional manner. The dental floss stick feeding device (4) comprises a transfer component (41) arranged on the main frame (1) and capable of transferring the dental floss stick on the dental floss material rack, and a dental floss stick feeding component (42) arranged on the main frame (1) and capable of transferring the dental floss stick on the transfer component (41), wherein the transfer component (41) comprises a transfer frame (411) rotatably connected to the main frame (1), and a transfer driver (412) for driving the transfer frame (411) to intermittently rotate on the main frame (1). The present invention relates to a transfer paddle (413) slidably connected to the main frame (1) and used for transferring the floss stick on the floss material rack to the transfer paddle driver (414) for driving the transfer paddle (413) to slide back and forth on the main frame (1), wherein the transfer frame (411) includes a transfer rod (4111) capable of passing through the floss stick; the feeding component (42) includes a feeding rod (4111) slidably connected to the main frame (1) and capable of passing through the floss stick. 421), and an X-direction feeding driver (422) for driving the feeding rod (421) to slide back and forth on the main frame (1), and a feeding paddle (423) slidably connected to the main frame (1) and used to push the floss stick on the transfer rod (4111) to the feeding rod (421), and a feeding paddle driver (424) for driving the feeding paddle (423) to slide back and forth on the main frame (1); the transfer driver (412) drives the transfer frame (4111) to transfer the floss stick to the feeding rod (421). 1) The rotation process includes a transfer loading state when the transfer rod (4111) is docked with the dental floss material rack, and a transfer unloading state when the transfer rod (4111) is docked with the feeding rod (421); the process in which the X-axis feeding drive (422) drives the feeding rod (421) to slide back and forth includes a feeding loading state when the feeding rod (421) is docked with the transfer rod (4111), and a feeding unloading state when the dental floss stick on the feeding rod (421) corresponds to the packaging box or bag.

2. The fully automatic dental floss pick boxing device according to claim 1, characterized in that: Two feeding conveyor belts (21) are provided, and the two feeding conveyor belts (21) are respectively located on both sides of the dental floss material rack in the conveying direction, and the two limiting displacement seats (211) on the two feeding conveyor belts (21) are respectively provided in a one-to-one correspondence. When the feeding conveyor belts (21) convey the dental floss material rack, the two ends of the dental floss material rack in the length direction are respectively located on the two opposite limiting displacement seats (211) on the two feeding conveyor belts (21); The limiting displacement seat (211) is provided with a limiting embedding groove (2111) for embedding one end of the dental floss rack, the opening of the limiting embedding groove (2111) is arranged upward, and the width of the limiting embedding groove (2111) is adapted to the width of the dental floss rack; The material rack transfer rack (23) comprises a transfer front support (231) located between the two feeding conveyor belts (21), and a transfer rear support (232) at the same height as the transfer front support (231), the length of the transfer front support (231) is not greater than the distance between the two feeding conveyor belts (21), and the transfer front support (231) and the transfer rear support (232) are arranged in parallel and are respectively used to receive both sides of the dental floss material rack in the width direction.

3. The fully automatic dental floss box packing device according to claim 2, characterized in that: The main frame (1) is provided with a detection sensor (26) capable of detecting when the dental floss rack on the feeding conveyor belt (21) is in a position where it can fall into the rack transfer rack (23); the detection sensor (26) is connected to the feeding motor (22); when the detection sensor (26) detects the dental floss rack, the feeding motor (22) can stop rotating; The material rack transverse transfer assembly (24) includes a material rack transverse transfer seat (241) slidably connected to the main frame (1), and a material rack transverse transfer cylinder (242) for driving the material rack transverse transfer seat (241) to move; the material rack longitudinal transfer assembly (25) includes a material rack longitudinal transfer seat (251) slidably connected to the material rack transverse transfer seat (241), and a material rack longitudinal transfer cylinder (252) for driving the material rack longitudinal transfer seat (251) to move; the material rack transfer frame (23) is arranged on the material rack longitudinal transfer seat (251).

4. The fully automatic dental floss box packing device according to claim 1, characterized in that: The clamping manipulator (31) comprises a clamping slide (311) slidably connected to the main frame (1), a fixed clamping block (312) arranged on the clamping slide (311), a clamping cylinder (313) arranged on the clamping slide (311), and a movable clamping block (314) arranged on the piston rod of the clamping cylinder (313); the clamping slide (311) is detachably connected to the feeding transmission belt, and the clamping cylinder (313) drives the movable clamping block (314) to move in a direction close to or away from the fixed clamping block (312); A positioning sensor (33) capable of detecting the moving position of the clamping manipulator (31) is provided between the main frame (1) and the clamping manipulator (31), and the positioning sensor (33) is communicatively connected to the feeding motor (32).

5. The fully automatic dental floss pick boxing device according to claim 1, characterized in that: At least two transfer rods (4111) are provided, and the number of transfer rods (4111) is an even number. Two transfer rods (4111) form a group, and when one transfer rod (4111) of a group is in a transfer loading state, the other transfer rod (4111) is in a transfer unloading state. The transfer component (41) further comprises a transfer support (416) for adjusting the inclination angle of the dental floss stick, wherein the transfer support (416) is located below the transfer rod (4111) in the transfer unloading state, and a counting probe (43) for counting the dental floss sticks is provided on the main frame (1), wherein the counting probe (43) is located above the transfer rod (4111) in the transfer unloading state.

6. The fully automatic dental floss box packing device according to claim 1 or 5, characterized in that: The feeding component (42) further comprises a rotating feeding driver (425) capable of driving the feeding rod (421) to rotate axially, the feeding rod (421) is provided with a rotation-limiting rod (4211) capable of limiting the rotation of the dental floss stick on the feeding rod (421), the rotation-limiting rod (4211) is arranged in parallel with the feeding rod (421), and the distance between the feeding rod (421) and the rotation-limiting rod (4211) is smaller than the length of the dental floss stick; The feeding component (42) further includes a Y-direction feeding driver (426) capable of driving the feeding rod (421) to slide back and forth in the Y direction, and a Z-direction feeding driver (427) capable of driving the feeding rod (421) to slide back and forth in the Z direction.

7. The fully automatic dental floss box packing device according to claim 1, characterized in that: The box conveying device (5) comprises a box conveying component (51) for conveying a dental floss box, a box loading robot (52) arranged at a feeding end of the box conveying component (51) and used for placing the dental floss box on the box conveying component (51), a box covering component (53) arranged on the box conveying component (51) and used for closing a box cover of the dental floss box, and a box lowering robot (54) arranged at a discharging end of the box conveying component (51) and used for moving the dental floss box away. The box-feeding component (51) comprises a box-feeding conveyor belt (511) rotatably connected to the main frame (1), a box-feeding motor (512) for driving the box-feeding conveyor belt (511), and a limiting base (513) provided on the box-feeding conveyor belt (511) for limiting the position of the dental floss box, wherein a plurality of limiting bases (513) are provided, and each limiting base (513) is arranged along the length direction of the box-feeding conveyor belt (511); The cover box component (53) is arranged near the discharge end of the box feeding component (51), and the cover box component (53) includes a cover-pushing component (531) for moving the cover of the dental floss box, a transverse cover-locking device (532) for driving the cover-pushing component (531) to move transversely, and a longitudinal cover-locking device (533) for driving the cover-pushing component (531) to move longitudinally; The lower box manipulator (54) comprises a lower box cylinder (541) capable of removing the dental floss box from the limiting base (513), and a transfer component (542) capable of cooperating with the lower box cylinder (541) to move the dental floss box away.

8. The fully automatic dental floss box packing device according to claim 7, characterized in that: The transverse cover-locking device (532) comprises a transverse cover-locking slide (5321) connected to the main frame (1) in a transverse sliding manner, and a transverse cover-locking cylinder (5322) for driving the transverse cover-locking slide (5321) to move; the longitudinal cover-locking device (533) comprises a longitudinal cover-locking slide (5331) connected to the transverse cover-locking slide (5321) in a longitudinal sliding manner, and a longitudinal cover-locking cylinder (5332) for driving the longitudinal cover-locking slide (5331) to move; the cover-moving member (531) is arranged in a wheel-shaped structure and is rotatably connected to the longitudinal cover-locking slide (5331).

9. The fully automatic dental floss box packing device according to claim 7, characterized in that: The limiting base (513) is provided with a pushing opening (5131) running through the thickness direction thereof, the pushing opening (5131) is located in the middle of the dental floss box, the lower box cylinder (541) is located below the pushing opening (5131), and the transfer component (542) is located above the limiting base (513). After the lower box cylinder (541) lifts the dental floss box on the limiting base (513), the transfer component (542) can drive the dental floss box to drop.

10. The fully automatic dental floss pick boxing device according to claim 9, characterized in that: The transfer component (542) includes a first transfer cylinder (5421) capable of moving the dental floss box lifted by the lower box cylinder (541), a first receiving platform (5422) capable of receiving the dental floss box moved by the first transfer cylinder (5421), a second transfer cylinder (5423) capable of moving the dental floss box on the first receiving platform (5422), and a second receiving platform (5424) capable of receiving the dental floss box moved by the second transfer cylinder (5423). The moving direction of the dental floss box driven by the first transfer cylinder (5421) and the moving direction of the dental floss box driven by the second transfer cylinder (5423) are arranged to cross each other. The height of the dental floss box lifted by the lower box cylinder (541) is not lower than the height of the first receiving platform (5422), and the height of the second receiving platform (5424) is not higher than the height of the first receiving platform (5422).