CN217076465U

CN217076465U - Hidden cutterbar

Info

Publication number: CN217076465U
Application number: CN202221083435.3U
Authority: CN
Inventors: 璩学荣; 郑好杰
Original assignee: Faru Automation Suzhou Co ltd
Current assignee: Faru Automation Suzhou Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-07-29
Anticipated expiration: 2032-05-07

Abstract

The utility model provides a hidden cutterbar, including pedestal, contact wheel, cutter and drive mechanism. When the adhesive tape on the adhesive tape disc is stretched forwards under the tension force and is lapped on the contact wheel, the contact wheel rotates and drives the cutter to be exposed out of the cutter outlet of the seat body through the transmission mechanism; after the adhesive tape is pressed against the edge of the cutter and cut off, the cutter is automatically hidden in the seat body below the cutter outlet. Adopt the utility model discloses technical scheme, in the use, the operator hand can not contact the cutter, greatly improves the safety in utilization. The cutter has the advantages of simple structure, low manufacturing cost, no need of a power supply, convenient use and strong applicability.

Description

Hidden cutterbar

Technical Field

The utility model relates to a sticky tape cutting means specifically is a hidden cutterbar.

Background

The existing pure manual adhesive tape cutter is basically in an exposed type, so that the hand is easy to be accidentally injured and is unsafe.

Chinese patent publication No. CN205709114U discloses a concealed adhesive tape holder, in which a knife guard and an elastic member are provided to conceal a knife in the knife guard, thereby preventing the knife from being exposed and causing injury to a user. However, in actual operation, after the adhesive tape is cut off at one time, when the adhesive tape is taken next time, a hand of a person touches and presses down the cutter blocking plate, and then the hand of the person touches the cutter, and still the person is easily damaged. Therefore, a more secure and reliable tool hiding form is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a hidden cutter.

In order to achieve the above object, the technical solution of the present invention is: the utility model provides a hidden cutterbar, includes pedestal, contact wheel, cutter and drive mechanism, the rear end of pedestal is equipped with the installation department that is used for installing the adhesive tape dish, the contact wheel rotationally installs on the pedestal that is located adhesive tape dish the place ahead, is located be equipped with out the edge of a knife on the pedestal of contact wheel front side, drive mechanism is used for the transmission between contact wheel and the cutter is connected, the cutter can remove between primary importance state and second place state, primary importance state means the cutting part of cutter is located the pedestal is inside and be less than out the edge of a knife, second place state means the cutting part of cutter is located the pedestal is outside and be higher than out the edge of a knife.

When the adhesive tape on the adhesive tape disc is stretched forwards under the tension force and is lapped on the contact wheel, the contact wheel rotates and drives the cutter to move from the first position state to the second position state through a transmission mechanism;

when the adhesive tape continues to be stretched forwards under the tension force, the contact wheel continues to rotate, and the cutter is kept in the second position state;

after the adhesive tape is pressed against the blade part of the cutter and cut, the cutter returns to the first position state from the second position state.

By adopting the technical scheme of the utility model, when the cutter is exposed out of the cutter edge, the operator holds the adhesive tape with the hand and keeps away from the cutter position; after the adhesive tape is cut off, the cutter is hidden in the seat body immediately; in the use, the operator hand can not all contact the cutter, greatly improves the safety in utilization. The cutter has the advantages of simple structure, low manufacturing cost, no need of a power supply, convenient use and strong applicability.

Furthermore, the cutter is arranged on a vertically arranged rack block, a rack part is arranged on the rack block, the cutter further comprises a first gear, and the contact wheel drives the first gear to rotate through a first sub-transmission structure; when the cutter is in a first position state, the first gear is meshed with the rack part of the rack block; when the cutter is positioned between a first position state and a second position state, the first gear is meshed with the rack part of the rack block; when the cutter is in the second position state, the rack part of the rack block is separated from the first gear.

By adopting the preferable scheme, the structure is simple and the performance is reliable.

Further, the contact wheel is a second gear, and the second gear is meshed with the first gear.

By adopting the preferable scheme, the number of parts is small, and the manufacturing cost is low.

Further, still include and be used for driving rack piece resets downwards so that the cutter moves to the extension spring of first position state, the extension spring is connected between rack piece and the pedestal.

Adopt above-mentioned preferred scheme, it is smooth and easy timely to improve the cutter and reset.

Furthermore, the mounting part at the rear end of the seat body comprises a vertical slot and a transverse limiting groove, the rear end of the transverse limiting groove is communicated with the bottom end of the vertical slot, and a rotary fulcrum shaft of the adhesive tape disc is placed into the transverse limiting groove from the vertical slot.

Further, the vertical slot inclines towards the front side of the base body.

By adopting the preferable scheme, the structure is simple, and the adhesive tape disc is convenient to install and replace.

Further, a vertically arranged baffle is arranged on the base body between the contact wheel and the adhesive tape disc.

Further, the upper end of the baffle sheet is subjected to anti-sticking treatment.

Adopt above-mentioned preferred scheme, the structure setting of separation blade can be conveniently buckled out the sticky-free hand of tearing of fifty percent discount bonding mutually at the sticky tape front end. When the rubber belt is operated, the front end of the rubber belt is pressed against the blocking piece by only two fingers and then kneaded, so that the rubber belt is fast and convenient to operate.

Furthermore, the upper end of the baffle plate is provided with an inclined plane part with the thickness gradually reduced from bottom to top.

Furthermore, in the width direction of the blocking piece, the upper end of the blocking piece is provided with a plurality of notches which are arranged at intervals.

With the preferred scheme, a kneading and gluing space can be better generated at the folded part of the adhesive tape, so that a non-sticky tearing part can be better generated.

Furthermore, the base body is provided with a front and rear position adjusting mechanism for adjusting the front and rear positions of the blocking piece on the base body, the blocking piece is connected to a moving block of the front and rear position adjusting mechanism through a rotary joint, the rotary joint is provided with a rotary damping, and the blocking piece can swing back and forth around the rotary joint.

Adopt above-mentioned preferred scheme, conveniently adjust the separation blade position to be suitable for the tearing hand that generates different length.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

3-6 are schematic diagrams of the using process of the utility model;

fig. 7 and 8 are schematic diagrams illustrating the principle of forming the adhesive tape tearing part of the present invention;

fig. 9 is a schematic structural diagram of another embodiment of the present invention.

Names of corresponding parts represented by numerals and letters in the drawings:

1-a seat body; 11-a mounting portion; 111-vertical slots; 112-transverse limiting groove; 12-knife outlet; 2-a contact wheel; 3-cutting the knife; 4-adhesive tape disc; 41-adhesive tape; 42-tearing the hand part; 5-rack block; 6-a first gear; 7-a baffle plate; 71-a ramp portion; 72-a notch; 81-front and rear position adjusting mechanism; 82-rotational joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, in an embodiment of the present invention, a hidden cutter includes a base 1, a contact wheel 2, a cutter 3 and a transmission mechanism, the rear end of the base 1 is provided with an installation portion 11 for installing an adhesive tape disk 4, the contact wheel 2 is rotatably installed on the base 1 located in front of the adhesive tape disk 4, an outlet 12 is provided on the base located in front of the contact wheel 2, the transmission mechanism is used for transmission connection between the contact wheel 2 and the cutter 3, the cutter 3 can move between a first position state and a second position state, the first position state means that the cutting portion of the cutter 3 is located inside the base 1 and is lower than the outlet 12, and the second position state means that the cutting portion of the cutter 3 is located outside the base 1 and is higher than the outlet 12.

When in use, as shown in the state of fig. 3, the adhesive tape 41 on the adhesive tape disc 4 is pulled forward and extended;

before the adhesive tape is ready to be cut off, as shown in a state shown in fig. 4, the adhesive tape 41 is lapped on the contact wheel 2, the contact wheel 2 rotates and drives the cutter 3 to move from the first position state to the second position state through a transmission mechanism; when the adhesive tape 41 continues to be stretched forwards under the tension, the contact wheel 2 continues to rotate, and the cutting knife 3 is kept in the second position state;

when the adhesive tape needs to be cut, as shown in fig. 5, the adhesive tape 41 is pulled to be pressed against the edge of the cutter 3;

after the tape is cut, the cutter 3 returns to the first position state from the second position state as shown in fig. 6.

The beneficial effect of adopting above-mentioned technical scheme is: when the cutter is exposed out of the cutter edge, the operator holds the adhesive tape by hands and keeps away from the cutter position; after the adhesive tape is cut off, the cutter is hidden in the seat body immediately; in the use, the operator hand can not all contact the cutter, greatly improves the safety in utilization. The cutter has the advantages of simple structure, low manufacturing cost, no need of a power supply, convenient use and strong applicability.

As shown in fig. 2, in other embodiments of the present invention, the cutter 3 is installed on the rack block 5 which is vertically arranged, the rack block 5 is vertically installed, which is not specifically referred to as being arranged in a vertical state, and can be arranged obliquely, and a rack portion is arranged on the rack block 5; the contact wheel 2 drives the first gear 6 to rotate through the first sub-transmission structure; when the cutter 3 is in a first position state of being downward, the first gear 6 is meshed with the rack part of the rack block 5; when the cutter 3 is positioned between the first position state and the second position state, the first gear 6 is meshed with the rack part of the rack block 5; when the cutter 3 is raised to the second position, the rack portion of the rack block 5 is disengaged from the first gear 6, and the first gear 6 is in an idle state (in contact with only the lowermost end of the rack portion) with the rotation of the contact wheel 2. The beneficial effect of adopting above-mentioned technical scheme is: simple structure and reliable performance.

In other embodiments of the present invention, the first sub-transmission structure may be a gear transmission mechanism or a belt transmission mechanism, and the purpose is to realize the rotation transmission from the contact wheel to the first gear.

In other embodiments of the present invention, as shown in fig. 2, the contact wheel 2 is a second gear, and the first sub-transmission structure directly engages with the first gear by using the external teeth of the contact wheel 2. The beneficial effect of adopting above-mentioned technical scheme is: the parts are few, and the manufacturing cost is low.

After the adhesive tape is cut off, the rack block 5 provided with the cutter can fall down by self weight after being reset downwards, and can also be realized by adding a balance weight. In other embodiments of the present invention, the utility model further comprises a tension spring for driving the rack block 5 to return downwards so as to move the cutter 3 to the first position state, and the tension spring is connected between the rack block 5 and the seat body 1. The beneficial effect of adopting above-mentioned technical scheme is: improve the cutter and restore smoothly in time.

As shown in fig. 1, in other embodiments of the present invention, the mounting portion 11 at the rear end of the seat body 1 includes a vertical slot 111 and a horizontal limiting groove 112, the rear end of the horizontal limiting groove 112 is communicated with the bottom end of the vertical slot 111, and the rotating fulcrum shaft of the adhesive tape tray 4 is placed into the horizontal limiting groove 112 from the vertical slot 111. The upper end of the vertical slot 111 is inclined towards the front side of the seat body. The beneficial effect of adopting above-mentioned technical scheme is: simple structure, convenient installation and change of sticky tape dish.

In other embodiments of the present invention, as shown in fig. 1, a vertically disposed blocking plate is mounted on the seat body between the contact wheel and the adhesive tape tray. The beneficial effect of adopting above-mentioned technical scheme is: the structure setting of separation blade can be conveniently bent out the sticky-free hand of tearing of fifty percent discount bonding mutually at the sticky tape front end. During operation, as shown in fig. 7 and 8, the front end of the adhesive tape is pressed against the blocking piece by only two fingers and then kneaded, the operation is quick and convenient, and after the adhesive tape is cut off, a section of adhesive tape with a head part provided with a non-adhesive tearing part is obtained.

In other embodiments of the present invention, the upper end of the baffle 7 is treated in an anti-sticking way, and can be coated with an anti-sticking layer, or can be made of an anti-sticking material, so as to prevent the adhesive tape from adhering to the baffle when the user holds the fingers to tear the hands.

As shown in fig. 1, in other embodiments of the present invention, the upper end of the baffle 7 has a slope portion 71 with a thickness gradually decreasing from bottom to top.

As shown in fig. 1, in other embodiments of the present invention, the upper end of the baffle 7 has a plurality of notches 72 spaced apart from each other in the width direction of the baffle. The beneficial effect of adopting above-mentioned technical scheme is: the space for kneading and gluing can be better generated at the folded part of the adhesive tape, so that the non-sticky tearing part can be better generated.

In other embodiments of the present invention, in order to adjust the position of the separation blade on the seat body, the separation blade can be mounted on the seat body by inserting, and the separation blade has a certain position holding force, and the separation blade is inserted into the seat body by interference fit.

As shown in fig. 9, in other embodiments of the present invention, the seat body 1 is provided with a front-back position adjusting mechanism 81 for adjusting the front-back position of the baffle 7 on the seat body, the front-back position adjusting mechanism can adopt a small lead screw mechanism, the baffle 7 is connected to the moving block of the front-back position adjusting mechanism 81 through a rotary joint 82, the rotary joint 82 has a rotational damping, and the baffle 7 can swing back and forth around the rotary joint and can be kept in a certain angle posture. The beneficial effect of adopting above-mentioned technical scheme is: the separation blade position is conveniently adjusted to be suitable for the tearing hand that generates different length.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The hidden cutter is characterized by comprising a base body, a contact wheel, a cutter and a transmission mechanism, wherein the rear end of the base body is provided with an installation part for installing an adhesive tape disc, the contact wheel is rotatably installed on the base body positioned in front of the adhesive tape disc, a cutter outlet is formed in the base body positioned on the front side of the contact wheel, the transmission mechanism is used for transmission connection between the contact wheel and the cutter, the cutter can move between a first position state and a second position state, the first position state refers to the condition that the cutting part of the cutter is positioned in the base body and is lower than the cutter outlet, and the second position state refers to the condition that the cutting part of the cutter is positioned outside the base body and is higher than the cutter outlet.

2. The concealed cutter according to claim 1, wherein the cutter is mounted on a vertically disposed rack block, the rack block having a rack portion thereon, and further comprising a first gear, the contact wheel driving the first gear to rotate via a first sub-transmission structure; when the cutter is in a first position state, the first gear is meshed with the rack part of the rack block; when the cutter is positioned between a first position state and a second position state, the first gear is meshed with the rack part of the rack block; when the cutter is in the second position state, the rack part of the rack block is separated from the first gear.

3. The concealed cutter according to claim 2, wherein the contact wheel is a second gear that meshes with the first gear.

4. The concealed cutter according to claim 3, further comprising a tension spring for driving the rack block to return downwardly to move the cutter to the first position, the tension spring being connected between the rack block and the seat body.

5. The concealed cutter according to claim 1, wherein the mounting portion at the rear end of the holder body comprises a vertical slot and a transverse limiting slot, the rear end of the transverse limiting slot is communicated with the bottom end of the vertical slot, and the rotary fulcrum of the adhesive tape disc is placed into the transverse limiting slot from the vertical slot.

6. The concealed cutter according to claim 5, wherein the vertical slots are inclined toward the front side of the seat body.

7. The concealed cutter according to claim 1, wherein a vertically disposed catch is mounted on a seat located between the contact wheel and the tape tray.

8. The concealed cutter according to claim 7, wherein the upper end of the baffle has a bevel portion with a thickness gradually decreasing from bottom to top.

9. The concealed cutter according to claim 8, wherein the baffle plate has a plurality of notches at intervals at the upper end thereof in the width direction of the baffle plate.

10. The concealed cutter according to claim 7, wherein the seat body is provided with a front-rear position adjusting mechanism for adjusting the front-rear position of the blocking piece on the seat body, the blocking piece is connected to a moving block of the front-rear position adjusting mechanism through a rotary joint, the rotary joint has a rotational damping, and the blocking piece can swing back and forth around the rotary joint.