WO2006003701A1 - 電動テープカッタの切断機構 - Google Patents
電動テープカッタの切断機構 Download PDFInfo
- Publication number
- WO2006003701A1 WO2006003701A1 PCT/JP2004/009339 JP2004009339W WO2006003701A1 WO 2006003701 A1 WO2006003701 A1 WO 2006003701A1 JP 2004009339 W JP2004009339 W JP 2004009339W WO 2006003701 A1 WO2006003701 A1 WO 2006003701A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tongue
- shirter
- cutting mechanism
- slider
- tape cutter
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
- B26D1/085—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
Definitions
- the present invention relates to a cutting mechanism for an electric tape cutter that automatically feeds and cuts various tapes, and in particular, prevents malfunction of the safety device due to deterioration of the safety device parts, and enables stable cutting operation.
- the present invention relates to a cutting mechanism for an electric tape cutter.
- an electric tape cutter a cutting device has been developed that discharges a tape while automatically cutting the tape to a predetermined length.
- the applicant of this case is the applicant of the electric tape cutter technology disclosed in JF 6-13191, JF 7-5087, etc., and also the developer of this kind of tape cutter.
- the electric tape cutter consists of a drive unit such as a motor that uses electricity as a drive source, a roller, and a cutting mechanism.
- a tape mounted on a circular core is automatically removed from the tape mounting unit by the drive unit and the roller. It is a device that is pulled out, sent to a cutting mechanism, cut into a predetermined length at the outlet of the cutting mechanism, and discharged.
- the electric tape cutter is taken out from the main body of the electric tape cutter, the next tape is automatically cut to a specified length and discharged from the tape cutter. It is indispensable as a kind of automatic equipment and is used in various fields.
- An electric tape cutter is a device that automatically cuts a tape, and a cutting portion comprising a sharp blade is provided near the discharge port.
- “Safety device in electric tape cutter” Patent No. 3462380 has a safety device attached to the cutting mechanism.
- the safety device of the cutting mechanism according to the present invention has a problem of causing a malfunction such as warping of the plastic shirt due to long-term use, and the cutting operation not being performed.
- the engagement piece is formed at the front and back of the center tongue piece provided on the shirt, and one is engaged with the stopper and the other is engaged with the slider. It is the composition which matches.
- the strut After checking the presence or absence of tape, the strut is disengaged and the shirt operates. However, If the elasticity of the locking member, which is a tongue piece after long-term use, deteriorates, the warp of the shirter will occur, causing a problem that it will not engage with the stagger, and the safety mechanism will automatically operate and the tape will In such a configuration, it is easy to cause a malfunction of interrupting the transmission of the message.
- Patent Document 1 JP-A-11-235698
- the present invention is equipped with a guide provided with a bevel to ensure that the shirt is engaged with the stopper, and further, a fitting hole is formed in the shirt and the engagement piece of the stopper is provided. It is an object of the present invention to provide a cutting mechanism for an electric tape cutter that can be engaged with the motor to enable stable operation.
- an electric tape cutter is a cutting mechanism equipped in an electric tape cutter that automatically feeds and cuts a tape, and includes a fixed blade fixed to the upper portion, and the fixed blade And a movable blade that moves up and down by joining to it, and a lower end is divided to form a leg, and a locking projection and a fitting hole are provided at the tip of a tongue piece that extends in the center.
- a shoulder that is pivotably supported so that a locking projection formed on the upper portion fits into the fitting hole, and a guide that is formed by an inclined surface with which the tip of the tongue of the shirta abuts.
- the slider includes a slider that engages with the movable blade and operates in conjunction with the shirter, and an elastic body that is engaged on both the left and right sides to urge the shutter upward.
- the tongue piece provided on the shirter descends, abuts against the inclined surface of the guide and moves along the inclined surface, and the stopper protrusion of the stagger is connected to the tongue of the shirter.
- the fortress is securely engaged with the fitting hole drilled in the piece and the stopper is securely engaged, the tongue further descends and the tongue piece of the shirt is released from the stagnation slider.
- the structure is such that the shirt does not release unless the hopper is operated.
- the cutting mechanism of the electric tape cutter is an electric tape cutter that automatically feeds and cuts the tape.
- a fixed blade fixed at the top a movable blade that moves up and down by joining to the fixed blade, and a lower end that is arranged in parallel to the movable blade to form a leg and a center
- a tongue that extends to the end of the tongue piece is provided with a locking projection and a fitting hole, and a locking projection formed on the upper part is pivotally supported so as to fit into the fitting hole.
- a stagger that is in contact with the tip of the shredder tongue, a slider that engages with the movable blade and operates in conjunction with the stagger, and both left and right sides to urge the shatter upward
- the switch to move and the front Switch is a motor which is a drive device for vertically moving the movable blade when turned on, even with a force becomes configurations.
- the guide of the cutting mechanism has a configuration in which an abutting wall portion for preventing the slider from rolling is extended in the vertical direction at the upper end portion of the inclined surface with which the tip of the tongue piece abuts.
- the stopper of the cutting mechanism prevents the tip of the tongue from squeezing after the shatter is released, and further contacts the slider and the tongue in the vertical direction from the upper part where the locking projection is formed to ensure engagement. The part is extended.
- the cutting mechanism of the electric tape cutter according to the present invention is configured as described in detail above, and therefore has the following effects.
- the guide Since the guide is provided with a wall that prevents the slider from rolling, the slider will roll even if the engaging protrusion at the tip of the tongue presses the slider when the tongue comes out of the slider. Since there is no malfunction, malfunction can be prevented and the operation of the safety device is ensured. 5 In addition, since the abutment that prevents the stagnation of the tongue of the shatter is provided at the top of the stagger, it can be avoided that the tongue stagnates and does not engage with the slider, so that the operation of the device is ensured. .
- FIG. 1 is a plan view showing the cutting mechanism of the electric tape cutter
- Fig. 2 is a side view showing the cutting mechanism of the electric tape cutter
- Fig. 3 (a)-Fig. 3 (e) shows the operation of the electric tape cutter.
- the electric tape cutter cutting mechanism 10 includes a fixed blade 20, a movable blade 30, a shirter 40, a stopper 50, a guide 60, a slider 70, and an elastic body 80.
- the movement of the movable blade is controlled by a protrusion and a fitting hole protruding from the center tongue of the shirt, and the protrusion of the stopper is lowered by moving the tongue downward along the inclined guide. Is inserted into the fitting hole to be surely locked, and then the shutter engaged with the slider is released.
- the shirter is reliably operated by operating the stopper.
- Blade 30 begins to rise and cuts the tape. This completes the cutting with the safety shirt closed.
- the movable blade locked to the slider is lowered, and the tongue 43 of the shirter and the lower end of the slider 70 are engaged in the middle to lower the shirter 40.
- the lowered tongue piece 43 is squeezed along the slope of the guide 60, and after the engagement protrusion 52 of the stopper 50 is inserted into the fitting hole 44 of the tongue piece, the engagement between the slider 70 and the tongue piece is released, and then waits again. Recover to state.
- the fixed blade 20 is substantially L-shaped, and is fixed to the upper part of the main body of the cutting mechanism.
- the minute is provided with a cut surface 22. Holes are provided at two locations near both ends, and are fixed to the main body by engaging with protrusions provided at two upper portions of the main body 1.
- the fixed blade 20 comes into contact with a movable blade 30 (described later) while moving up and down, so that both cutting surfaces intersect (interconnect) and cut the tape.
- the blade is inclined in the longitudinal direction so as to reliably contact the movable blade 30.
- the left edge formed in the L shape keeps the fixed blade in contact with the movable blade even when the movable blade 30 is in a standby state, and the movable blade moves upward and joins the cut surface of the fixed blade.
- the cutting surface of the movable blade and the cutting surface of the fixed blade are joined to each other without causing the tips of the movable blade and the fixed blade to come into contact with each other, so that the tape can be cut smoothly.
- the movable blade 30 is substantially rectangular and has a cutting surface 32 on the upper end side.
- a fitting hole 34 is formed in the center of the lower end facing the cut surface 32 to be fitted with an engaging protrusion 72 of a slider 70 described later.
- the movable blade joins the fixed blade and moves up and down. The tape is cut when the movable blade and fixed blade are joined.
- the shirter 40 is a member that is installed in parallel to the movable blade and operates by engaging with the slider 70.
- the shape of the shirt 40 is a substantially rectangular member whose lower end is divided into left and right legs in this embodiment, and a central groove 42 into which a slider 70 is slidably fitted up and down is cut at the center.
- a tongue 43 extends from the upper part integrally with the shirt.
- the tongue piece 43 is made of an elastic material such as artificial resin, and the tip of the tongue piece is formed so that it can swing slightly in the depth direction.
- a locking projection 46 is formed in the vicinity of the tip of the tongue piece 43 in the central groove, and a fitting hole 44 into which the projection 52 of the stopper 50 is fitted is drilled.
- Engagement holes 48a and 48b are formed at the ends of the left and right legs so as to engage with the elastic body.
- a fitting protrusion 52 is formed on the upper portion of the stagger 50, and the stopper itself is pivotally supported so as to be slightly swung so as to be fitted into the fitting hole 44 provided in the tongue piece 43 of the shirt 40. It's terrible.
- the fitting protrusion 52 is fitted into the fitting hole 44 of the shirter 40 and locked to the shirter 40 to stop the movement of the shirter.
- a protrusion 54 for engaging the elastic body is formed on the side facing the surface on which the fitting protrusion 52 is formed.
- a contact portion 56 for preventing the tongue piece of the shirter from being squeezed is extended above the fitting projection 52 at the top of the stagger.
- the tongue piece 43 is made of artificial resin and has elasticity, with a fitted end The mating protrusion 52 swings freely into the fitting hole 44. However, if the operating state continues, the elasticity of the tongue may become fatigued and remain in a state of being muffled. In the cramped state, the lower end of the slider 70 and the tongue piece are not reliably engaged.
- the contact portion 56 that presses the tongue piece from the side surface in order to press the tongue piece 43 in the standby state in a state in which the tongue piece 43 is not pinched is further upward from the upper portion where the locking protrusion 52 is formed. It extends in the vertical direction.
- the tip of the tongue piece 43 is pressed by the abutting portion 56 of the stagger when waiting, and is held in a state without any itch. This ensures that the tip of the tongue 43 is engaged with the slider.
- the tip of the tongue piece 43 remains obliquely opened at the top of the stagger, and when the cutting device is operated in this state, the tip of the tongue piece 43 is engaged with the slider. When doing so, the elastic engagement was fatigued and engaged diagonally in an open state, so that it did not reliably engage with the slider, causing malfunction.
- the guide 60 is a member made of an inclined surface with which the tip of the shirter contacts, and one end of which is fixed.
- the tongue at the center tip of the shirt 40 moves down and abuts the slope of the guide and moves along the slope.
- the fitting protrusion of the stopper 50 fits into the fitting hole formed in the tongue piece of the shirter to lock the shirter, and the locking protrusion 46 protruding from the tip of the tongue piece of the shirter 40 is provided. Is released from the engagement with the slider 70. The operation of the shatter will be described in detail later.
- an abutting wall portion 62 for preventing the slider 70 from rolling is extended at the upper end portion of the guide 60 in the vertical direction in parallel with the side wall of the slider.
- the slider 70 is a member that is slidably engaged with the central groove 42 of the shirt 40, engages with the fitting hole 34 of the movable blade 30, and operates integrally with the movement of the movable blade.
- Engaging protrusions 72 are formed so as to. As a result, the movable blade 30 and the slider are integrated to operate.
- the elastic body 80 engages with the holes 48a and 48b drilled at both ends of the lower end portion of the shirt 40. These two spring members are urged to push the shirt 40 upward, and control the operation of the shirt.
- FIG. 3 (a) shows a position where the locking projection which is the tip of the tongue 43 of the shirt 40 contacts the guide 60.
- the tongue piece 43 of the shirter 40 is locked and pushed down at the tip of the slider 70 so that the slider 70 descends and the shirter 40 is lowered after cutting the tape.
- FIG. 3 (b) a force is applied to the tongue piece, which is the tip of the shutter, from above, moving slightly along the oblique surface of the guide on the left side of the drawing.
- Fig. 3 (c) When more force is applied and the tip of the tongue is bent along the inclination of the guide, the tip of the slider 70 and the tip of the locking projection of the shirter are about to separate. On the other hand, the tip of the tongue piece 43 descends below the locking projection 52 of the stopper 50, and the fitting projection 52 of the stopper 50 is fitted into the fitting hole 44 of the tongue piece. Immediately after that, Fig. 3 (d) shows the moment when the shatter tongue and slider are released. In Fig. 3 (e), the tongue piece and the slider are completely disengaged, and a standby state is achieved in which the tongue piece is engaged and locked. If the stopper is operated in this state, the shirter can be reliably moved prior to the operation of the movable blade.
- the tongue provided on the shirt moves down, contacts the inclined surface of the guide, and descends along the inclined surface.
- the stopper protrusion of the stopper is forcibly engaged with the fitting hole formed in the tongue piece of the shirter, and then the engagement with the slider is released, and the standby state is established.
- the shirter and stopper are securely engaged, and a standby state that cannot be released unless the stopper is operated can be set. This made it possible to completely prevent the malfunction of the cutting mechanism.
- a cutting mechanism attached to an electric tape cutter that automatically feeds and cuts a tape
- a fixed blade fixed to the upper part and a movable member that moves up and down while joining the fixed blade A blade
- a shatter provided with a locking projection and a fitting hole at the tip of a tongue piece installed in parallel with the movable blade, and a locking projection formed at one end in the fitting hole.
- a stagger that is pivotably supported so as to be fitted, a guide that is formed by an inclined surface with which the tip of the shirter abuts, and a stagger that engages with a movable blade that forms a leg with its lower end separated.
- a device comprising a slider that operates in conjunction with an elastic body that engages both left and right sides to urge the shirter upward, and is further provided with a cutting spring that fixes the fixed blade and the movable blade. It is equipped with an elastic body that engages with the stagger and returns the stopper to the standby position, and is equipped with a switch that electrically moves the movable blade up and down by the movement of the shirt, and when the switch is turned on, the movable blade It is also possible to adopt a configuration for controlling a motor which is a drive device that moves the motor up and down.
- FIG. 1 is a plan view showing a cutting mechanism of an electric tape cutter according to the present invention.
- FIG. 2 Side view showing the cutting mechanism of the electric tape cutter
- FIG. 3a Operation diagram showing operation of electric tape cutter
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adhesive Tape Dispensing Devices (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/009339 WO2006003701A1 (ja) | 2004-07-01 | 2004-07-01 | 電動テープカッタの切断機構 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/009339 WO2006003701A1 (ja) | 2004-07-01 | 2004-07-01 | 電動テープカッタの切断機構 |
Publications (1)
Publication Number | Publication Date |
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WO2006003701A1 true WO2006003701A1 (ja) | 2006-01-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/009339 WO2006003701A1 (ja) | 2004-07-01 | 2004-07-01 | 電動テープカッタの切断機構 |
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WO (1) | WO2006003701A1 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3462380B2 (ja) * | 1997-11-28 | 2003-11-05 | 株式会社エルム・インターナショナル | 電動テープカッターにおける安全装置 |
-
2004
- 2004-07-01 WO PCT/JP2004/009339 patent/WO2006003701A1/ja active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3462380B2 (ja) * | 1997-11-28 | 2003-11-05 | 株式会社エルム・インターナショナル | 電動テープカッターにおける安全装置 |
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