CN101574813A - Preservative film cutting device - Google Patents
Preservative film cutting device Download PDFInfo
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- CN101574813A CN101574813A CNA2008100972506A CN200810097250A CN101574813A CN 101574813 A CN101574813 A CN 101574813A CN A2008100972506 A CNA2008100972506 A CN A2008100972506A CN 200810097250 A CN200810097250 A CN 200810097250A CN 101574813 A CN101574813 A CN 101574813A
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- preservative film
- cutter
- end points
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- 239000003755 preservative agent Substances 0.000 title claims abstract description 57
- 230000002335 preservative effect Effects 0.000 title claims abstract description 57
- 238000006073 displacement reaction Methods 0.000 claims abstract description 44
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000005012 migration Effects 0.000 claims description 3
- 238000013508 migration Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention relates to a preservative film cutting device which comprises a casing, a cutting unit, a drive unit and a starting unit. The casing comprises a side edge and two end points positioned at two ends of the side edge. The cutting unit comprises a cutter holder linearly displacing along the side edge of the casing, and a cutter positioned at the cutter holder and butted against the side edge of the casing. The drive unit is arranged at the casing and comprises a displacement piece connecting and driving the cutter holder to displace from one end point to the other end point, and a rotating piece driving the displacement piece. The starting unit drives the rotating piece to rotate, drives the displacement piece to move and then leads the cutter to linearly move. The invention drives the drive unit by using the starting unit and then pushes the cutting unit so as to conveniently cut a preservative film.
Description
Technical field
The present invention relates to a kind of cutter sweep, particularly relate to a kind of cutter sweep that is used for preservative film.
Background technology
Existing a kind of preservative film is meant a kind of roll type preservative film especially, and the preservative film that the mode that is to use hand to tear is the earliest used desire is torn, but causes the not convenient of use by not easily openable of preservative film because the preservative film self-characteristic makes.
More common cutting mode is to utilize the slim blade that is fitted on the Paper box for fresh keeping membrane to cut preservative film now, but owing to have continuous action relation between preservative film and blade, is difficult for using and is difficult for cutting out smooth preservative film.
Therefore, the cutter sweep of convenient use of a kind of energy and energy flat cut preservative film all is the demand in market all the time.
Summary of the invention
The objective of the invention is is providing a kind of preservative film cutting device that can the flat cut preservative film.Preservative film cutting device of the present invention comprises: a housing, a cutter unit, a gear unit and a start unit.
What this housing comprised that room, an a slice that is used to be installed in a drum preservative film is covered on this room opening covers part, lateral margin and two end points that are positioned at these lateral margin two ends that are positioned at this room opening.
This cutter unit is installed on this housing, comprise a tool rest along this housing lateral margin straight-line displacement, and one be installed on this tool rest and abut against in the cutter of this case lid component.
This gear unit is installed on this housing, comprises a displacement piece and a tumbler that drives this displacement piece of connection that connects and drive this tool rest along this housing lateral margin straight-line displacement.
This start unit connects and drives the tumbler of this gear unit, comprise a button, push this tumbler of this button rear drive and rotate, drive this displacement piece and move, and then this cutter is moved along this lateral margin straight line by past another end points of one of them end points of this housing.
Beneficial effect of the present invention is: utilize the start unit that is installed on this housing to drive this gear unit, and then promote this cutter unit, continuous action relation is simple and can cut preservative film expediently, and the action of this cutter unit is independent of preservative film, the preservative film that desire is used under entirely cutting whereby.
Description of drawings
Fig. 1 is the front view of one first preferred embodiment of preservative film cutting device of the present invention at a non-cutting position;
Fig. 2 is the side view of this first preferred embodiment, and a cutter unit is described;
Fig. 3 is the side view of this first preferred embodiment, illustrates at a cutting position;
Fig. 4 is the schematic diagram of this first preferred embodiment, and a flexible member is described;
Fig. 5 is the front view of one second preferred embodiment of preservative film cutting device of the present invention;
Fig. 6 is the schematic diagram of one the 3rd preferred embodiment of preservative film cutting device of the present invention;
Fig. 7 is the schematic diagram of one the 4th preferred embodiment of preservative film cutting device of the present invention;
Fig. 8 is the schematic diagram of one the 5th preferred embodiment of preservative film cutting device of the present invention; And
Fig. 9 is the schematic diagram of one the 6th preferred embodiment of preservative film cutting device of the present invention.
The specific embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Before the present invention is described in detail, be noted that in the following description content similar elements is to represent with identical Reference numeral.
Consult Fig. 1 and Fig. 2, first preferred embodiment of preservative film cutting device of the present invention comprises a housing 1, cutter unit 2, gear unit 3, start unit 4 and one and replys unit 5.
This housing 1 comprises that room 11, an a slice that is used to be installed in a drum preservative film is covered on lateral margin 13, and two end points 14 that are positioned at these lateral margin 13 two ends that part 12, are positioned at these room 11 openings that cover of these room 11 openings.
This cutter unit 2 is installed on this housing 1, comprises that a tool rest 21 along these housing 1 lateral margin 13 straight-line displacements, one are installed on this tool rest 21 and abut against cutter 22, and the flexible member 23 that is connected on this cutter 22 that covers part 12 in this housing 1.
In this preferred embodiment, the cutter 22 of this cutter unit 2 is two flywheel knives that are arranged at intervals on this tool rest 21.
This flexible member 23 has a stiff end 231 that is connected in this tool rest 21, and one with these stiff end 231 opposite settings, and abut against movable end 232 on this cutter 22.
This gear unit 3 is installed on this housing 1, comprise one connect and drive this tool rest 21 along the displacement piece 31 of these housing 1 lateral margin 13 straight-line displacements, and one drive the tumbler 32 that connects this displacement piece 31.
This tumbler 32 has first gear 321 that is connected in this start unit 4, one and connects second gear 322 that drives this first gear 321, and this second gear 322 of coaxial connection, and connects the 3rd gear 323 of this displacement piece 31.
This first gear 321 has a linearly draw-in groove 324 of shape.
In this preferred embodiment, this displacement piece 31 is that the 3rd gear 323 is meshed in a transmission, and the tooth bar of fixedly connected these cutter unit 2 tool rests 21.
Can reach and save time or laborsaving different effect by changing this first gear 321, second gear 322,323 radius ratios of the 3rd gear, also can match the number that changes cutter 22 in the cutter unit 2 when changing the radius ratio, for example under the short situation of cutting path, can be assembled with more cutter 22.
This start unit 4 connects and drives first gear 321 of these gear unit 3 tumblers 32, comprise a button 41, one be connected in the turn arm 42 of this button 41, one away from this button 41 be arranged at fulcrum 43 on this turn arm 42, and one with these fulcrum 43 opposite being arranged on this turn arm 42, and be arranged in card post 44 in these first gear, 321 draw-in grooves 324.
Consult Fig. 1 and Fig. 3, this turn arm 42 rotates between a cutting position and a non-cutting position relative to this housing 1.
This answer unit 5 is used for said elements is returned back to non-cutting position by cutting position, comprises a main elastic component 51 and a secondary elastic component 52.
These main elastic component 51 1 ends abut against the turn arm 42 in this start unit 4, and the other end abuts against on this housing 1, and this main elastic component 51 can produce a resilient bias power that all the time this turn arm 42 is pushed into non-cutting position.
These pair elastic component 52 1 ends abut against in this housing 1 and contiguous one of them end points 14, the other end reliably is butted on the tool rest 21 of this cutter unit 2, to produce a resilient bias power that all the time this tool rest 21 is pushed into non-cutting position, make this gear unit 3 and this start unit 4 return back to original state.
In this preferred embodiment, this main elastic component 51 is the compression spring with this pair elastic component 52.
Cutting action process of the present invention starts from pushing this button 41, making turn arm 42 is that the axle center is when turning to this cutting position with this fulcrum 43, this card post 44 slippage in this draw-in groove 324, and then drive this tumbler 32 and rotate, driving this displacement piece 31 is moved toward another end points 14 by one of them end points 14 of this housing 1, and then make this cutter 22 cover at this along this lateral margin 13 that straight line moves on the part 12, be positioned at this with cutting and cover preservative film on the part 12.
The elasticity that flexible member 23 by this cutter unit 2 is provided, the frictional force that can allow this cutter 22 and this cover 12 of parts weakens, and makes cutting more smooth and easy.
When arriving this cutting position, the main elastic component 51 and the secondary elastic component 52 of this answer unit 5 are all compressive state.
Utilize the elastic-restoring force of this main elastic component 51, when this turn arm 42 is returned back to this non-cutting position, this card post 44 slippage in this draw-in groove 324, and this cutter unit 2 is back to another end points 14 by the elastic-restoring force of this pair elastic component 52 by one of them end points 14.
Consult Fig. 4, what deserves to be mentioned is, the flexible member 23 of this cutter unit 2 also can be a torque spring.
What deserves to be mentioned is that preservative film cutting device of the present invention also can be equipped with trip in this draw-in groove 324, allow this cutter unit 2 when moving to another end points 14, can maintain static by this trip by one of them end points 14.When desiring to cut next time, make this card post 44 break away from this trip, this cutter unit 2 is just got back to initial position, and this kind design allows this cutter unit 2 provide the cutting twice function in a stroke.(figure does not all show)
Consult Fig. 5, second preferred embodiment of preservative film cutting device of the present invention and this first preferred embodiment member and assembling mode are roughly the same, different places is that the tumbler 32 of this gear unit 3 of this second preferred embodiment also has a main pulley 325, this displacement piece 31 is a belt that is sleeved on this main pulley 325, and this gear unit 3 comprises that also two are respectively adjacent to the secondary belt pulley 33 that these displacement piece 31 fits were installed and supplied to this housing 1 end points 14.And the tool rest 21 of this cutter unit 2 is fixedly linked on this displacement piece 31, and this cutter 22 is a slice angle cutter.
Rotate this tumbler 32, drive the cutter 22 on this displacement piece 31, move to another end points 14, the cutting preservative film by one of them end points 14.
Consult Fig. 6, the 3rd preferred embodiment of preservative film cutting device of the present invention and this first preferred embodiment member and assembling mode are roughly the same, different places is that this start unit 4 of the 3rd preferred embodiment also comprises a motor 45 that is electrically connected on this button 41, and this motor 45 drives the tumbler 32 that connects this gear unit 3.
In this preferred embodiment, the tumbler 32 of this gear unit 3 has one first belt pulley 326, and second belt pulley 327 of this first belt pulley 326 of coaxial connection, this displacement piece 31 is for being sleeved on the belt on this second belt pulley 327 and the secondary belt pulley 33, and the tool rest 21 of this cutter unit 2 is connected and fixed on this displacement piece 31.
Pressing these button 41 back these motors 45 of startup clockwise rotates, making this motor 45 drive this first belt pulley 326 rotates, drive this second belt pulley 327 and rotate, after driving this tool rest 21 and moving to another end points 14, promptly slack by this housing 1 one of them end points 14.
When desiring to cut next time, push these button 41 these motors 45 of startup once more and rotate counterclockwise, this tool rest 21 is got back to just making the position.This kind design allows this cutter unit 2 provide cutting twice in a stroke.
Consult Fig. 7, the 4th preferred embodiment of preservative film cutting device of the present invention and this first preferred embodiment member and assembling mode are roughly the same, different places are, this start unit 4 of the 4th preferred embodiment also comprise one wherein an end connect the torque spring spare 46 of this button 41.The center of this torque spring spare 46 is sleeved on this first gear 321, and the other end is fixed on this housing 1.
This card post 44 is arranged on this torque spring spare 46, and is arranged in the draw-in groove 324 of this gear unit 3.
This card post 44 moves between this cutting position and this non-cutting position relative to this housing 1.
Push the button 41 of this start unit 4, make 46 compressions of this torque spring spare, when making this card post 44 in this draw-in groove 324, slide onto this cutting position, drive this cutter unit 2 by this housing 1 one of them another end points 14 of end points 14 migrations, after finishing the cutting preservative film, utilize the restoring force of this torque spring spare 46 should block post 44 slippage in this draw-in groove 324 and return non-cutting position, and this cutter unit 2 is back to another end points 14 by one of them end points 14.
What deserves to be mentioned is that this torque spring spare 46 also can not be sleeved on this first gear 321, can reach identical effect equally.
Consult Fig. 8, the 5th preferred embodiment of preservative film cutting device of the present invention and this first preferred embodiment member and assembling mode are roughly the same, different places are, the displacement piece 31 of the gear unit 3 of the 5th preferred embodiment is similarly tooth bar, but this displacement piece 31 is not fixed on the tool rest 21 of this cutter unit 2.
This tool rest 21 has one and drives groove 211, and two projections 212 that lay respectively at these drive groove 211 two ends.This displacement piece 31 is arranged in this drive groove 211.
When this tumbler 32 drove these displacement piece 31 displacements, this displacement piece 31 can promote wherein projection 212, moves to drive this tool rest 21.The advantage of this kind assembling mode is to reduce downward pressure, and then reduces friction power and allow this tool rest 21 move more easily.
What deserves to be mentioned is that in this preferred embodiment, this tool rest 21 also can also have two dovetail grooves 213, described cutter 22 has corresponding card and establishes protuberance 221, make described cutter 22 be installed on this tool rest 21, when described cutter 22 wore and tore, replaceable described cutter 22 was to prolong life of product.
Consult Fig. 9, the 6th preferred embodiment of preservative film cutting device of the present invention and this first preferred embodiment member and assembling mode are roughly the same, different places are, the gear unit 3 of the 6th preferred embodiment also comprises an impeller 34 that connects this displacement piece 31, in this preferred embodiment, this impeller 34 is a tooth bar with these displacement piece 31 opposite settings.And this preservative film cutting device also comprises a pushing unit 6.
This pushing unit 6 comprises that first sector gear 61, one of this impeller 34 of engagement pass that first axostylus axostyle 62 of this first sector gear 61, two are formed at this housing 1 and the strip hole installed for these first axostylus axostyle, 62 two ends 63, one connect second sector gear 64 that drives and be orthogonal to this first sector gear 61, second axostylus axostyle 65 that passes this second sector gear 64, and two promotion cylinders 66 that are positioned at this second axostylus axostyle 65 and make for the rubber material.
When this displacement piece 31 moves to this cutting position, rotate this first sector gear 61, and drive this first axostylus axostyle 62 and move to described strip hole 63 away from an end of this second sector gear 64, make this first sector gear 61 not contact this second sector gear 64.
When this displacement piece 31 desires to retract this non-cutting position by this cutting position, same this first sector gear 61 that rotates, and drive this first axostylus axostyle 62 and move to described strip hole 63 near an end of these second sector gears 64, make these first sector gear, 61 quadratures be engaged in this second sector gear 64, driving this second sector gear 64 rotates, and then make described promotion cylinder 66 rotate, described promotion cylinder 66 utilizes frictional force that the push-and-pull of preservative film part is gone out and prevents backrush, can conveniently extract when next desire is used this preservative film.
In sum, the start unit 4 that utilization is installed on this housing 1 drives this gear unit 3, and then promote this cutter unit 2, continuous action relation is simply to cut preservative film expediently, and the action of this cutter unit 2 is independent of preservative film, entirely cut the preservative film of desire use down whereby, so can reach purpose of the present invention really.
The above only is the preferred embodiments of the present invention, should not limit scope of the invention process with this, and promptly every simple equivalent of being done in the present patent application claim and invention description content changes and modifies, and all belongs to the scope that patent of the present invention contains.
Claims (10)
1. preservative film cutting device, comprise: a housing, what comprise that room, an a slice that is used to be installed in a drum preservative film is covered on described room opening covers part, lateral margin and two end points that are positioned at described lateral margin two ends that are positioned at described room opening; It is characterized in that: the bright film cutter sweep of described bag also comprises a cutter unit, is installed on the described housing, comprise a tool rest along the straight-line displacement of described housing lateral margin, and one be installed on the described tool rest and abut against in the cutter of described case lid component; A gear unit is installed on described housing, comprise one drive described tool rest along the displacement piece of described housing lateral margin straight-line displacement, and one drive the tumbler that connects described displacement piece; And start unit, connect and drive the tumbler of described gear unit, comprise a button, pushing the described tumbler of described button rear drive rotates, drive described displacement piece and move, and then described cutter is moved along described lateral margin straight line by past another end points of one of them end points of described housing.
2. preservative film cutting device according to claim 1, it is characterized in that: the cutter of described cutter unit is a flywheel knife, also comprise a flexible member that is connected on the described cutter, described flexible member has a stiff end that is connected in described tool rest, and an opposite movable end that is provided with and abuts against on described cutter with described stiff end.
3. preservative film cutting device according to claim 1, it is characterized in that: the tumbler of described gear unit has first gear that is connected in described start unit, and described displacement piece is described first gear and connect the tooth bar of described cutter unit tool rest of being in transmission connection.
4. preservative film cutting device according to claim 3, it is characterized in that: described gear unit also comprises an impeller that connects described displacement piece, described preservative film cutting device also comprises a pushing unit, comprises that connects first sector gear that drives described impeller, first axostylus axostyle that passes described first sector gear, two strip holes that are formed at described housing and install for the described first axostylus axostyle two ends, one connects second sector gear that drives and be orthogonal to described first sector gear, second axostylus axostyle and a promotion cylinder that is positioned at described second axostylus axostyle that passes described second sector gear.
5. preservative film cutting device according to claim 1, it is characterized in that: the tumbler of described gear unit has a main pulley, described displacement piece is a belt that is sleeved on the described tumbler, described gear unit comprises that also two are respectively adjacent to described housing end points installation, and supplies the secondary belt pulley of described displacement piece fit.
6. preservative film cutting device according to claim 1, it is characterized in that: the tumbler of described gear unit has a linearly draw-in groove of shape, and described start unit also comprises a turn arm that is connected in described button, one is arranged at fulcrum on the described turn arm away from described button, and one be arranged on the described turn arm and be arranged in card post in the described draw-in groove on the contrary with described fulcrum, described turn arm rotates between a cutting position and a non-cutting position relative to described housing, push the button of described start unit, making described turn arm is that the axle center is when turning to described cutting position with described fulcrum, the slippage in described draw-in groove of described card post, and then drive described cutter unit by one of them another end points of end points migration of described housing, when described turn arm is gone to described non-cutting position, the slippage in described draw-in groove of described card post, and described cutter unit is back to another end points by one of them end points.
7. preservative film cutting device according to claim 6, it is characterized in that: also comprise one and reply the unit, described answer unit comprises a main elastic component, described main elastic component one end abuts against the turn arm in described start unit, the other end abuts against on described housing, and described main elastic component can produce a resilient bias power that all the time described turn arm is pushed into non-cutting position.
8. preservative film cutting device according to claim 1 is characterized in that: described start unit also comprises a motor that is connected in described button, and described motor drives the tumbler that connects described gear unit.
9. preservative film cutting device according to claim 1, it is characterized in that: described start unit also comprises a motor that is connected in described button, the tumbler of described gear unit has one first belt pulley, and second belt pulley of described first belt pulley that is rotationally connected, described gear unit comprises that also two are respectively adjacent to the secondary belt pulley that described displacement piece fit was installed and supplied to described housing end points, described displacement piece is a belt that is sleeved on described second belt pulley and the secondary belt pulley, the tool rest of described cutter unit is connected and fixed on the described displacement piece, described motor drives and connects described first belt pulley rotation, drive described second belt pulley and rotate, and then be back to another end points by one of them end points of described housing by the described tool rest of described belt interlock.
10. preservative film cutting device according to claim 1, it is characterized in that: the tumbler of described gear unit has a linearly draw-in groove of shape, described start unit also comprise one wherein an end connect the torque spring spare of described button, and one be arranged on the described torque spring spare and be arranged in card post in the described draw-in groove, the other end of described torque spring spare is fixed on the described housing, the displacement between a cutting position and non-cutting position of the described relatively housing of described card post, push the button of described start unit, make described torque spring spare compression, when making described card post in described draw-in groove, slide onto described cutting position, drive described cutter unit by one of them another end points of end points migration of described housing, after finishing the cutting preservative film, utilize the restoring force of described torque spring spare that non-cutting position is returned in the slippage in described draw-in groove of described card post, and described cutter unit is back to another end points by one of them end points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100972506A CN101574813A (en) | 2008-05-06 | 2008-05-06 | Preservative film cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100972506A CN101574813A (en) | 2008-05-06 | 2008-05-06 | Preservative film cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN101574813A true CN101574813A (en) | 2009-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100972506A Pending CN101574813A (en) | 2008-05-06 | 2008-05-06 | Preservative film cutting device |
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| CN (1) | CN101574813A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422457A (en) * | 2018-05-15 | 2018-08-21 | 刘鑫 | A kind of cutter device |
| CN113274230A (en) * | 2021-06-30 | 2021-08-20 | 中国人民解放军陆军军医大学第一附属医院 | Gynecological examination bed |
-
2008
- 2008-05-06 CN CNA2008100972506A patent/CN101574813A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422457A (en) * | 2018-05-15 | 2018-08-21 | 刘鑫 | A kind of cutter device |
| CN113274230A (en) * | 2021-06-30 | 2021-08-20 | 中国人民解放军陆军军医大学第一附属医院 | Gynecological examination bed |
| CN113274230B (en) * | 2021-06-30 | 2022-06-10 | 中国人民解放军陆军军医大学第一附属医院 | Gynecological examination bed |
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Open date: 20091111 |