CN218909361U

CN218909361U - Coil-preventing inertial mechanism and paying-off device for dental floss rod production

Info

Publication number: CN218909361U
Application number: CN202222727115.3U
Authority: CN
Inventors: 章秋宝; 朱学萍
Original assignee: Yuyao Clean Commodity Co ltd
Current assignee: Yuyao Clean Commodity Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-04-25
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a coil prevention inertial mechanism and a paying-off device for production of dental floss rods. The paying-off device for producing the dental floss rod comprises a winding mechanism for winding a wire and a wire winding prevention inertial mechanism matched with the winding mechanism for use; the coil-preventing inertial mechanism is arranged on one side of the coil winding mechanism, which is close to the dental floss rod production die, and is used for keeping the tension state of the wire discharged by the coil winding mechanism. The utility model is provided with a coil-preventing inertial mechanism, the sliding part of the coil-preventing inertial mechanism automatically moves downwards under the action of gravity, and presses down the excessive wire due to the overshoot of the coil reel, and tightens the excessive wire due to the overshoot of the coil, so that the wire discharged by the coil-winding mechanism is always kept in a tightening state.

Description

Coil-preventing inertial mechanism and paying-off device for dental floss rod production

Technical Field

The utility model relates to the technical field of dental floss rods, in particular to an anti-coil inertia mechanism and a paying-off device for dental floss rod production.

Background

A dental floss stick, also known as a dental floss pick, is a product that is used in conjunction with toothbrushes in daily oral care. Prior to floss sticks, people have used floss to achieve the same effect. Compared with dental floss, the dental floss rod has the advantages of more convenience, high efficiency, safety, sanitation and the like. The toothbrush can only brush 70% of the upper surface of teeth, and the dental floss makes up the defects of the toothbrush, so that the toothbrush is a household tooth care product commonly used in Europe and America at present. The dental floss rod has the functions of a toothpick and dental floss. The automatic production equipment of the dental floss rod is special equipment for producing the dental floss rod, and the paying-off device is one of main devices of the automatic production equipment of the dental floss rod and is mainly used for paying off.

At present, the wire is pulled by the wire pulling manipulator, and when the wire pulling manipulator pulls wires at a speed of 1 meter per second in actual use, the distance from the wire pulling to the buffer stop is only about 2cm, and the wire coil overshoots due to the inertia of the wire pulling motion. In the prior art, a certain friction damping is usually adopted on a coil to prevent the coil from overshooting, but the damping is too small, so that the coil cannot be braked, the damping is too large, the wire pulling force is large, and the problem of wire breakage is easy to occur like a bamboo charcoal wire.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to solve the technical problem of providing a coil inertia preventing mechanism and a paying-off device for dental floss rod production, which are provided with the coil inertia preventing mechanism, wherein a sliding part of the coil inertia preventing mechanism automatically moves downwards due to the action of gravity, and presses down a wire which is excessive due to the overshoot of a winding drum, so that the wire which is excessive due to the overshoot of the winding drum is tensioned, and the wire which is paid out by the winding mechanism is always kept in a tensioned state.

(II) technical scheme

The scheme adopted by the utility model for solving the technical problems is a coil-preventing inertial mechanism; the anti-coil inertia mechanism comprises a first threading part, a second threading part and a sliding part, wherein the first threading part and the second threading part are sequentially arranged for threading, and the sliding part is arranged below the first threading part and the second threading part and can relatively move up and down and is used for pressing down a wire between the first threading part and the second threading part.

Specifically, the sliding piece is matched with the first threading part and the second threading part for use, so that the tensioning state of the wire between the first threading part and the second threading part is ensured; when in use, the sliding piece can move upwards under the action of the pulling force; if the wire pulling force is cancelled, the wire exceeding the wire winding barrel overshoots, and the wire exceeding the wire winding barrel overshoots can be pressed downwards and tensioned under the action of gravity of the sliding part, so that the wire always maintains a tensioning state.

Further, the slider is provided with a thread pressing portion for pressing down the thread between the first thread passing portion and the second thread passing portion to maintain the tension of the thread, and an annular recess for winding the thread is formed in the outer Zhou Bichao of the thread pressing portion in a recessed manner to prevent the thread from being separated.

Further, the anti-coil inertial mechanism comprises a rod body for sliding the sliding piece, wherein the upper end of the rod body is provided with the first threading part and the second threading part, and the sliding piece is arranged on the part, below the first threading part and the second threading part, of the rod body in a sliding mode.

Preferably, the sliding piece is sleeved on the rod body, wherein the sliding piece is provided with a perforation matched with the rod body.

Further, the body of rod is close to its top and is provided with the fixed block, can dismantle on the fixed block and be connected with the threading spare, the threading spare has set gradually along the extending direction of line first threading portion with the second threading portion.

Preferably, the first threading portion comprises a first perforation, the second threading portion comprises a second perforation, the first perforation and the second perforation are internally provided with a protective piece with an internal cavity, the inside of the protective piece is smooth and provided with a guiding cambered surface, and the problem that the wire is broken in the pulling process is prevented.

Further, the threading piece comprises a fixing portion detachably connected below the fixing block, one side, close to the paying-off direction, of the fixing portion is bent downwards to form the first threading portion, and one side, close to the production direction of the dental floss rod, of the fixing portion is bent downwards to form the second threading portion.

Further, the lower extreme of the body of rod is provided with the stopper, the slider can be along the body of rod be located the fixed block with do sliding motion between the stopper, then the slider is limited by between the stopper with the fixed block, can not break away from the body of rod.

Further, the slider is kept away from the lateral wall of the body of rod and is located first threading portion with the below of second threading portion is provided with line ball portion for the line is located same one side, the problem of spiral can not appear.

The technical problem is solved by adopting the scheme that the paying-off device for producing the dental floss rod comprises a coiling mechanism for coiling and an anti-coil inertia mechanism matched with the coiling mechanism; the coil inertia preventing mechanism is arranged on one side, close to the dental floss rod production die, of the coil winding mechanism relatively and used for keeping a tensioning state of the wire discharged by the coil winding mechanism.

Specifically, in the production process of the dental floss rod, a wire pulling manipulator is generally adopted to pull the wire released by the wire winding mechanism; the utility model relates to a paying-off device for producing dental floss rods, wherein a coil-preventing inertial mechanism is arranged between a coil-winding mechanism and a wire-pulling manipulator; when the automatic wire pulling device is used, the wire pulling manipulator operates to pull wires, after the wire pulling is finished, the wire winding barrel overshoots due to inertia, so that the sliding piece automatically moves downwards along the rod body due to the action of gravity, and the wire pressing part can press down wires which are more than overshot due to the wire winding barrel, so that the wires between the wire winding mechanism and the wire pulling manipulator are always kept in a tensioning state.

Further, the winding mechanism comprises a winding bracket and a winding reel which is arranged on the winding bracket and used for winding and can rotate relative to the winding bracket.

Further, the winding bracket comprises a supporting rod which is vertically arranged and at least one mounting piece which is transversely arranged on the supporting rod, wherein the mounting piece comprises a connecting piece which is connected on the supporting rod and two mounting shafts which are arranged on two sides of the connecting piece and are used for mounting the winding reel.

Preferably, the winding bracket comprises a cross rod which is integrally formed at the lower end of the supporting rod and is transversely arranged, and the cross rod is used for improving the supporting strength of the winding bracket.

Preferably, the connecting piece comprises two connecting parts which are oppositely arranged, the two connecting parts are respectively arranged at two sides of the rod body, and the connecting parts are sleeved on the rod body after being assembled; and the two sides of the connecting part extend outwards respectively to form mounting ends, the two mounting ends of the connecting part are assembled in a pairwise manner, and a mounting space for mounting the shaft part of the mounting shaft is formed after the assembly, so that the mounting shaft can be conveniently dismounted.

By adopting the scheme, a plurality of mounting pieces can be arranged on the supporting rod so as to realize paying-off of the multi-winding reel, the structure is more compact, and the space utilization rate is high.

Further, the installation shaft is obliquely arranged from bottom to top along the direction away from the support rod, so that the winding reel can be prevented from being separated from the installation shaft in the paying-off process; and one side of the mounting shaft, which is close to the connecting piece, is provided with an annular limiting piece for supporting the winding reel.

(III) beneficial effects

Compared with the prior art, the utility model designs an anti-coil inertia mechanism and a paying-off device for producing dental floss rods,

(1) According to the coil-preventing inertial mechanism, through the cooperation of the sliding piece and the first threading part and the second threading part, the excessive wires due to the overshoot of the coil can be tensioned, so that the wires released by the coil-winding mechanism are always kept in a tensioned state;

(2) According to the utility model, the sliding part automatically moves downwards along the rod body under the action of gravity, and the line pressing part can downwards press the line which is overshot by the winding reel, so that the line between the winding mechanism and the line pulling manipulator is always kept in a tensioning state;

(3) The supporting rod can be provided with a plurality of mounting pieces so as to realize paying-off of the multi-winding reel, so that the structure is more compact, and the space utilization rate is high;

(4) The utility model can be directly arranged on the upper side of the oil tank of the injection molding machine through the mounting plate, has compact structure, does not need an independent winding mechanism, and greatly saves space occupation.

Drawings

FIG. 1 is a schematic view of a coil inertia mechanism according to a first embodiment;

FIG. 2 is an enlarged schematic view of FIG. 1 at D;

FIG. 3 is an enlarged schematic view of FIG. 1 at E;

FIG. 4 is a schematic view of a pay-off device for producing dental floss sticks according to the second embodiment;

FIG. 5 is an enlarged schematic view of FIG. 4 at A;

FIG. 6 is an enlarged schematic view of FIG. 4 at B;

FIG. 7 is a schematic view of a pay-off device (without a spool) for producing a dental floss stick according to the second embodiment;

fig. 8 is an enlarged schematic view at C in fig. 7.

Reference numerals illustrate: 1. a winding mechanism; 11. a wire winding bracket; 111. a support rod; 112. a mounting member; 112-1, a connector; 112-1a, a connection; 112-1b, mounting end; 112-2, mounting a shaft; 112-2a, annular limiting members; 113. a cross bar; 12. a spool; 2. an anti-coil inertia mechanism; 21. a rod body; 211. a fixed block; 211-1, threading piece; 211-1a, a fixing part; 212. a limiting block; 22. a first threading part; 221. a first perforation; 23. a second threading part; 231. a second perforation; 24. a slider; 241. a wire pressing part; 241-1, annular recess; 25. a guard; 3. and (3) mounting a plate.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

as shown in fig. 1-3, a coil inertia mechanism of the present embodiment includes a first threading portion 22 and a second threading portion 23, which are sequentially disposed, through which a wire passes, and a slider 24, which is disposed below the first threading portion 22 and the second threading portion 23 and is capable of relatively moving up and down, for pressing down the wire between the first threading portion 22 and the second threading portion 23. Specifically, the slider 24 is used in cooperation with the first threading part 22 and the second threading part 23 to ensure the tension state of the wire between the first threading part 22 and the second threading part 23; when in use, the sliding 24 piece can move upwards under the action of the pulling force; if the pulling force is cancelled, the wire which is overshot by the winding reel is pressed down and tensioned due to the gravity of the sliding part 24, so that the wire is always kept in a tensioned state. Further, the slider 24 is provided with a thread pressing portion 241 for pressing down the thread between the first thread passing portion 22 and the second thread passing portion 23 to maintain the tension of the thread, and an annular recess 241-1 for winding the thread is formed in the outer portion Zhou Bichao of the thread pressing portion 241 in a recessed manner to prevent the thread from being separated. Further, the anti-coil inertial mechanism 2 includes a rod 21 for sliding the slider 24, wherein the first threading portion 22 and the second threading portion 23 are disposed at an upper end of the rod 21, and the slider 24 is slidably disposed on a portion of the rod 21 located below the first threading portion 22 and the second threading portion 23. Preferably, the sliding piece 24 is sleeved on the rod 21, wherein the sliding piece 24 is provided with a through hole matched with the rod 21. Further, the rod body 21 is provided with a fixing block 211 near the top end thereof, the fixing block 211 is detachably connected with a threading piece 211-1, and the threading piece 211-1 is sequentially provided with the first threading part 22 and the second threading part 23 along the extending direction of the line. Preferably, the first threading part 22 includes a first perforation 221, the second threading part 23 includes a second perforation 231, and the first perforation 221 and the second perforation 231 are both provided with a protective member 25 with an internal cavity, and the protective member 25 is smooth and has a guiding cambered surface, so that the wire breakage problem during the pulling process is prevented. Further, the threading member 211-1 includes a fixing portion 211-1a detachably connected below the fixing block 211, wherein a side of the fixing portion 211-1a near the paying-out direction is bent downward to form the first threading portion 22, and a side of the fixing portion 211-1a near the production direction of the dental floss rod is bent downward to form the second threading portion 23. Further, a stopper 212 is disposed at the lower end of the rod 21, and the sliding member 24 may slide along the rod 21 between the fixed block 211 and the stopper 212, so that the sliding member 24 is limited between the stopper 212 and the fixed block 211 and cannot be separated from the rod 21. Further, the slider 24 is far away from the outer side wall of the rod 21 and located below the first threading portion 22 and the second threading portion 23, and the thread pressing portion 241 is disposed on the same side, so that the thread is not wound.

Embodiment two: as shown in fig. 5 to 7, the paying-off device for producing dental floss sticks of the present embodiment is used for paying-off in the production of dental floss sticks, and comprises a winding mechanism 1 for winding a wire, and a spool-proofing inertial mechanism 2 which is used in cooperation with the winding mechanism 1 and is used for keeping the wire paid out by the winding mechanism 1 in a tensioned state. Specifically, in the production process of the dental floss rod, a pulling manipulator (not shown in the drawing) is generally used to pull the thread released by the thread winding mechanism 1. Preferably, a mounting plate 3 for mounting the winding mechanism 1 and the anti-coil inertia mechanism 2 is provided. Further, the anti-winding inertial mechanism 2 includes a rod 21, a first threading part 22 and a second threading part 23 which are arranged on the rod 21 and through which a wire passes, and a sliding piece 24 which is arranged below the first threading part 22 and the second threading part 23 and can relatively slide up and down; wherein, the slider 24 is provided with a thread pressing portion 241 for pressing down the thread between the first thread passing portion 22 and the second thread passing portion 23 to maintain the tension of the thread. Preferably, the slider 24 is provided with perforations adapted to the rod 21. Specifically, when in use, the wire pulling manipulator operates to pull wires, after the wire pulling is completed and the wire pulling is stopped, the wire winding barrel 12 overshoots due to inertia, then, the sliding piece 24 automatically moves downwards along the rod body 21 due to gravity, the wire pressing portion 241 of the sliding piece downwards presses wires which are overshot by the wire winding barrel 12, so that the wires between the wire winding mechanism 1 and the wire pulling manipulator are always kept in a tensioning state, and in the process, the wires are discharged by the wire winding mechanism 1, sequentially pass through the first wire passing portion 22, bypass the wire pressing portion 241, pass through the second wire passing portion 23 and are connected to the wire pulling manipulator.

As shown in fig. 5-6, further, the rod 21 is provided with a fixing block 211 near the top end thereof, the fixing block 211 is detachably connected with a threading member 211-1, one side of the threading member 211-1 near the winding mechanism 1 is provided with the first threading portion 22, and one side of the threading member 211-1 near the wire pulling manipulator is provided with the second threading portion 23. Further, the threading member 211-1 includes a fixing portion 211-1a detachably connected below the fixing block 211, one side of the fixing portion 211-1a near the winding mechanism 1 is bent downward to form the first threading portion 22, and one side of the fixing portion 211-1a near the pulling manipulator is bent downward to form the second threading portion 23. Preferably, the first threading part 22 includes a first perforation 221, the second threading part 23 includes a second perforation 231, and the first perforation 221 and the second perforation 231 are both provided with a protection piece 25 with an internal cavity, the inside of the protection piece is smooth and has a guiding cambered surface, so that the problem of broken wire in the pulling process is prevented. Further, a stopper 212 is disposed at the lower end of the rod 21, and the sliding member 24 may slide along the rod 21 between the fixed block 211 and the stopper 212, so that the sliding member 24 is limited between the stopper 212 and the fixed block 211 and cannot be separated from the rod 21. Further, the slider 24 is far away from the outer side wall of the rod 21 and located below the first threading portion 22 and the second threading portion 23, and the thread pressing portion 241 is disposed on the same side, so that the thread is not wound. Further, an annular recess 241-1 for winding is formed in the outer portion Zhou Bichao of the pressing portion 241 in a recessed manner, so as to prevent the wire from being separated.

As shown in fig. 4 and 7-8, the winding mechanism 1 further includes a winding bracket 11, and a winding reel 12 provided on the winding bracket 11 for winding a wire and capable of rotating relative to the winding bracket 11. Further, the spool support 11 includes a support rod 111 arranged vertically, and two mounting pieces 112 arranged laterally on the support rod 111 from top to bottom, wherein each of the mounting pieces 112 includes a connection piece 112-1 connected to the support rod 111, and two mounting shafts 112-2 provided at both sides of the connection piece 112-1 for mounting the spool 12. Preferably, the wire winding bracket 11 includes a cross bar 113 integrally formed at a lower end of the support bar 111 and laterally disposed for enhancing a supporting strength of the wire winding bracket 11. Preferably, the connecting piece 112-1 includes two connecting portions 112-1a disposed opposite to each other, the two connecting portions 112-1a are respectively disposed on two sides of the rod 21, and are sleeved on the rod 21 after being assembled; and the two sides of the connecting portion 112-1a extend outwards to form mounting ends 112-1b, and the two mounting ends 112-1b of the two connecting portions 112-1a are assembled in pairs, and after assembly, a mounting space for mounting the shaft portion of the mounting shaft 112-2 is formed, so that the mounting shaft 112-2 can be conveniently dismounted. By adopting the above scheme, the supporting rod 111 can be provided with a plurality of mounting pieces 112, so that the paying-off of the multi-winding reel 12 can be realized, the structure is more compact, and the space utilization rate is high. Further, the mounting shaft 112-2 is disposed obliquely from bottom to top in a direction away from the support rod 111, so that the spool 12 is prevented from being detached from the mounting shaft 112-2 during the paying-out process; and an annular stopper 112-2a is provided on a side of the mounting shaft 112-2 adjacent to the connector 112-1 for supporting the spool 12.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. An anticreeper inertial mechanism, characterized in that: the coil-preventing inertial mechanism (2) comprises a first threading part (22) and a second threading part (23) which are sequentially arranged and used for enabling a wire to pass through, and a sliding piece (24) which is arranged below the first threading part (22) and the second threading part (23) and can relatively move up and down and is used for pressing down the wire between the first threading part (22) and the second threading part (23).

2. The line roll inertia mechanism of claim 1, wherein: the slider (24) is provided with a thread pressing portion (241) for pressing down a thread located between the first thread passing portion (22) and the second thread passing portion (23) to maintain a tensioned state of the thread, and an annular recess (241-1) for winding the thread is formed in a recess in an outer Zhou Bichao of the thread pressing portion (241).

3. The line roll inertia mechanism of claim 2, wherein: the anti-coil inertial mechanism (2) comprises a rod body (21) for sliding of a sliding piece (24), wherein the upper end of the rod body (21) is provided with a first threading part (22) and a second threading part (23), and the sliding piece (24) is arranged on a part, below the first threading part (22) and the second threading part (23), of the rod body (21) in a sliding mode.

4. A coil inertia mechanism according to claim 3, wherein: the rod body (21) is provided with a fixed block (211) near the top end of the rod body, the fixed block (211) is detachably connected with a threading piece (211-1), and the threading piece (211-1) is sequentially provided with a first threading part (22) and a second threading part (23) along the extending direction of a line.

5. The coil inertia mechanism of claim 4, wherein: the threading piece (211-1) comprises a fixing part (211-1 a) which is detachably connected below the fixing block (211), one side, close to the paying-off direction, of the fixing part (211-1 a) is bent downwards to form the first threading part (22), and one side, close to the production direction of the dental floss rod, of the fixing part (211-1 a) is bent downwards to form the second threading part (23).

6. The coil inertia mechanism of claim 4, wherein: the lower end of the rod body (21) is provided with a limiting block (212), and the sliding piece (24) can slide between the fixed block (211) and the limiting block (212) along the rod body (21).

7. A coil inertia mechanism according to claim 3, wherein: the sliding piece (24) is far away from the outer side wall of the rod body (21) and is positioned below the first threading part (22) and the second threading part (23), and the thread pressing part (241) is arranged.

8. Pay-off is used in production of dental floss stick for the unwrapping wire is used in the production of dental floss stick, its characterized in that: comprising a winding mechanism (1) for winding a wire, and a line reel prevention inertial mechanism (2) according to any one of the preceding claims 1-7 for use with said winding mechanism (1); the wire winding prevention inertia mechanism (2) is arranged on one side, close to the dental floss rod production die, of the wire winding mechanism (1) relatively, and is used for keeping a tensioning state of wires discharged by the wire winding mechanism (1).

9. The dental floss pick-up apparatus for use in accordance with claim 8, wherein: the winding mechanism (1) comprises a winding bracket (11) and a winding drum (12) which is arranged on the winding bracket (11) and is used for winding and can rotate relative to the winding bracket (11).

10. The dental floss pick-up apparatus for use in the production of dental floss sticks as claimed in claim 9, wherein: the winding bracket (11) comprises a supporting rod (111) which is arranged vertically and at least one mounting piece (112) which is arranged transversely on the supporting rod (111), wherein the mounting piece (112) comprises a connecting piece (112-1) connected on the supporting rod (111) and two mounting shafts (112-2) which are arranged on two sides of the connecting piece (112-1) and are used for mounting the winding reel (12); and the mounting shaft (112-2) is obliquely arranged from bottom to top along a direction away from the supporting rod (111), and one side of the mounting shaft (112-2) close to the connecting piece (112-1) is provided with an annular limiting piece (112-2 a).