CN209288885U - Paper cutter and knife sharpening device - Google Patents

Paper cutter and knife sharpening device Download PDF

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Publication number
CN209288885U
CN209288885U CN201822179257.4U CN201822179257U CN209288885U CN 209288885 U CN209288885 U CN 209288885U CN 201822179257 U CN201822179257 U CN 201822179257U CN 209288885 U CN209288885 U CN 209288885U
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China
Prior art keywords
knife
screw rod
installation part
housing
cover
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CN201822179257.4U
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Chinese (zh)
Inventor
黎俊男
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Guangdong Baojin Technology Co Ltd
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Guangdong Baojin Technology Co Ltd
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Priority to CN201822179257.4U priority Critical patent/CN209288885U/en
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Abstract

The utility model relates to a kind of paper cutter and knife sharpening devices.The knife sharpening device includes knife grinding mechanism and feed mechanism, the feed mechanism includes screw rod, unilateral bearing, unilateral bearing seat, bearing holder (housing, cover) and the first actuator, first actuator is for driving the unilateral bearing seat to rotate, the unilateral bearing is installed in the unilateral bearing seat, the bearing holder (housing, cover) is rotatably sleeved in the unilateral bearing, the screw rod is arranged in the bearing holder (housing, cover), and the screw rod is detachably connected with the bearing holder (housing, cover), the screw rod is connect with the knife grinding mechanism, to drive the knife grinding mechanism mobile.When needing replacing cut paper dise knife, screw rod and bearing holder (housing, cover), which release, to be connected, then screw rod can occur forward or reverse relative to bearing holder (housing, cover), being no longer limited by unilateral bearing can only one-directionally rotate, to which knife grinding mechanism vacates operating space far from cut paper dise knife, staff can easily replace cut paper dise knife due to the blocking of not no knife grinding mechanism.

Description

Paper cutter and knife sharpening device
Technical field
The utility model relates to paper cutter technical fields, more particularly to a kind of paper cutter and knife sharpening device.
Background technique
Big dise knife paper cutter is a kind of a kind of cut paper equipment of field of tissue paper.Paper cutter includes knife sharpening device and big Dise knife.Knife sharpening device polishes to big dise knife by grinding wheel realization.In paper cutter, knife sharpening device is arranged to uniaxially towards close Big dise knife direction is mobile, guarantees that grinding wheel can accurately be fed, prevents grinding wheel from moving back.Traditional knife sharpening device utilizes unilateral bearing Check characteristic realize that blade grinder seat to the circle center line connecting of dise knife does unidirectional linear motion, cause when needing replacing big dise knife Just blade grinder seat must can be made to make a concession out space unilateral bearing seat whole dismounting, convenient for the disassembly of old dise knife and new The installation of dise knife.Therefore, traditional knife sharpening device increases the workload of operator in paper cutter more allowing blade replacement, and dismantles The risk that Shi Zengjia operator is scratched by sharp big dise knife.
Utility model content
Based on this, it is necessary to for the problem that the replacement of cut paper dise knife is inconvenient, a kind of paper cutter and knife sharpening device are provided,
A kind of knife sharpening device, including knife grinding mechanism and feed mechanism, the feed mechanism include screw rod, unilateral bearing, list To bearing block, bearing holder (housing, cover) and the first actuator, first actuator is described unidirectional for driving the unilateral bearing seat to rotate Bearing is installed in the unilateral bearing seat, and the bearing holder (housing, cover) is rotatably sleeved in the unilateral bearing, and the screw rod is worn In the bearing holder (housing, cover), and the screw rod is detachably connected with the bearing holder (housing, cover), and the screw rod is connect with the knife grinding mechanism, To drive the knife grinding mechanism mobile.
In above-mentioned knife sharpening device, screw rod and bearing holder (housing, cover) are detachably connected.When screw rod is connect with bearing holder (housing, cover), then screw rod and axis Bearing sleeve does single direction rotation in unilateral bearing, and then being mounted on the knife grinding mechanism on screw rod can only be unidirectionally towards cutting close to paper cutter Paper dise knife direction is mobile, guarantees that knife grinding mechanism is accurately fed.When needing replacing cut paper dise knife, screw rod and bearing holder (housing, cover) release and connect It connects, then screw rod can occur forward or reverse relative to bearing holder (housing, cover), and being no longer limited by unilateral bearing can only one-directionally rotate, to pacify Knife grinding mechanism on screw rod can be realized towards the cut paper dise knife direction movement far from paper cutter, and knife grinding mechanism is far from cut paper circle Knife and vacate operating space, staff can easily replace cut paper dise knife due to the blocking of not no knife grinding mechanism.
The bearing holder (housing, cover) includes the first body and the second body interconnected in one of the embodiments, and described A set of body is located in the unilateral bearing, and second body is located at outside the unilateral bearing, and second body is equipped with for even The perforation that fitting passes through.
The feed mechanism further includes spacer in one of the embodiments, and the spacer is rotatablely arranged at described Between second body and the screw rod;
Wherein, the spacer is equipped with the connecting hole for connector connection, the spacer and one in the screw rod Equipped with spline, another is equipped with the keyway matched with the spline;
Alternatively, the spacer is equipped with the connection through-hole passed through for the connector, the connector sequentially passes through described wear The screw rod is contradicted after hole, the connection through-hole, so that the screw rod, the spacer and the bearing holder (housing, cover) are connected.
The connector is bolt in one of the embodiments, the connecting hole or the connection through-hole for it is described The threaded hole that bolt matches.
The perforation is two or more in one of the embodiments, and/or, the connecting hole or the connection through-hole For two or more.
First actuator is cylinder, the telescopic rod of the cylinder and the one-way shaft in one of the embodiments, Seat connection is held, to drive the unilateral bearing seat to rotate.
The knife grinding mechanism includes the first installation part, the second installation part, fixed plate, first in one of the embodiments, Blade grinder and the second blade grinder, first blade grinder are installed on first installation part, second blade grinder It is installed on second installation part, first blade grinder and second blade grinder are oppositely arranged, first installation Part and second installation part are mounted on the fixed plate, and the fixed plate is connect with the screw rod.
First installation part and/or second installation part are rotatably installed on institute in one of the embodiments, Fixed plate is stated, so that the adjustable angle between first blade grinder and second blade grinder.
The fixed plate is provided with first rotating shaft and the first fastener, first installation in one of the embodiments, Part is equipped with first and adjusts arc slot, and the first rotating shaft is connect with first installation part, and first fastener is described first It is adjustable to adjust position in arc slot, so that first installation part is using the first rotating shaft as rotating fulcrum, relative to the fixation Plate rotates;And/or the fixed plate is provided with the second shaft and the second fastener, second installation part is equipped with second Arc slot is adjusted, second shaft is connect with second installation part, and second fastener is adjusted in arc slot described second Position is adjustable, so that second installation part rotates using second shaft as rotating fulcrum relative to the fixed plate.
A kind of paper cutter, including rack, cut paper dise knife and above-mentioned knife sharpening device, the cut paper dise knife and the knife sharpening device It is mounted on the rack, the screw rod is connect with the knife grinding mechanism, to drive the knife grinding mechanism towards close to or far from institute State the mobile knife grinding mechanism in cut paper dise knife direction.
When above-mentioned paper cutter needs replacing cut paper dise knife, screw rod and bearing holder (housing, cover) are released and are connected, then screw rod can be relative to axis Bearing sleeve occurs forward or reverse, and being no longer limited by unilateral bearing can only one-directionally rotate, to be mounted on the knife grinding mechanism on screw rod It can be realized towards the cut paper dise knife direction movement far from paper cutter, so that knife grinding mechanism vacates operation sky far from cut paper dise knife Between, staff can easily replace cut paper dise knife due to the blocking of not no knife grinding mechanism.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of paper cutter described in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the feed mechanism of paper cutter described in Fig. 1;
Fig. 3 is the schematic diagram of paper cutter when screw rod described in Fig. 1 is connect with the bearing holder (housing, cover);
Fig. 4 is the schematic diagram that screw rod described in Fig. 1 and the bearing holder (housing, cover) release paper cutter when connecting.
100, feed mechanism, 110, screw rod, 120, unilateral bearing, 130, unilateral bearing seat, 140, bearing holder (housing, cover), 141, first Body, the 142, second body, the 150, first actuator, 160, connector, 170, spacer, 180, fixing seat, 200, knife grinding mechanism, 210, the first installation part, 211, first adjusts arc slot, the 220, second installation part, 230, fixed plate, 231, first rotating shaft, and 232, the One fastener, the 233, second shaft, the 234, second fastener, the 240, first blade grinder, the 250, second blade grinder, 260, Two actuators, 270, third actuator, 300, rack, 400, cut paper dise knife, 500, guide rail.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this The disclosure of type understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper", There is no intermediary elements." first " described in the utility model, " second " do not represent specific quantity and sequence, are only used for The differentiation of title.
A kind of knife sharpening device combined with Figure 1 and Figure 2, including feed mechanism 100 and knife grinding mechanism 200, feed mechanism 100 wrap Screw rod 110, unilateral bearing 120, unilateral bearing seat 130, bearing holder (housing, cover) 140 and the first actuator 150 are included, the first actuator 150 is used It is rotated in driving unilateral bearing seat 130, unilateral bearing 120 is installed in unilateral bearing seat 130, and bearing holder (housing, cover) 140 rotationally covers It is located in unilateral bearing 120, screw rod 110 is arranged in bearing holder (housing, cover) 140, and screw rod 110 is detachably connected with bearing holder (housing, cover) 140, silk Bar 110 is connect with knife grinding mechanism 200, to drive knife grinding mechanism 200 mobile.
In above-mentioned knife sharpening device, screw rod 110 and bearing holder (housing, cover) 140 are detachably connected.With reference to Fig. 3, when screw rod 110 and bearing holder (housing, cover) When 140 connection, then screw rod 110 and bearing holder (housing, cover) 140 do single direction rotation in unilateral bearing 120, and then are mounted on screw rod 110 Knife grinding mechanism 200 can only be unidirectionally mobile towards 400 direction of cut paper dise knife close to paper cutter, guarantee knife grinding mechanism 200 accurately into It gives.When needing replacing cut paper dise knife 400, with reference to Fig. 4, screw rod 110 and bearing holder (housing, cover) 140 are released and are connected, then screw rod 110 can be opposite Occur forward or reverse in bearing holder (housing, cover) 140, being no longer limited by unilateral bearing 120 can only one-directionally rotate, to be mounted on screw rod 110 On knife grinding mechanism 200 can be realized mobile towards 400 direction of cut paper dise knife far from paper cutter, knife grinding mechanism 200 is far from cut paper Dise knife 400 and vacate operating space, staff due to there is no the blocking of knife grinding mechanism 200, can easily replace cut paper circle Knife 400.
It should be noted that screw rod 110 can not achieve Double-directional rotary in traditional knife sharpening device, can only uniaxially feed, Cause when replacing cut paper dise knife 400, after needing to remove unilateral bearing seat 130, unilateral bearing 120 and bearing holder (housing, cover) 140, screw rod 110 could extract, and staff is caused to need the number of components dismantled more, heavy workload and efficiency is slow, be also easy to because cutting 400 attachment of paper dise knife is dismantled component and is hurt by cut paper dise knife 400.
Wherein, can be selected between screw rod 110 and bearing holder (housing, cover) 140 it is detachable snap connection, it is detachable binding or it is removable Unload the connection types such as formula threaded connection.For example, in conjunction with Fig. 2, bearing holder (housing, cover) 140 includes the first body 141 and second interconnected Body 142, the first body 141 are located in unilateral bearing 120, and the second body 142 is located at outside unilateral bearing 120, the second body 142 Equipped with the perforation passed through for connector 160.In this way, connector 160 contradicts the screw rod 110 after passing through the perforation in conjunction with Fig. 3, it is real Existing screw rod 110 and 140 detachable connection of bearing holder (housing, cover).In conjunction with Fig. 4, after connector 160 extracts the perforation, screw rod 110 and bearing It is no longer fixedly connected between set 140, screw rod 110 can be rotated relative to bearing holder (housing, cover) 140, to be no longer influenced by unilateral bearing 120 Limitation.Wherein, the second body 142 is located at outside unilateral bearing 120, and staff is facilitated to insert or pull out the connector 160.It can be with Understand, connector 160 is chosen as screw, bolt etc..
Further, in conjunction with Fig. 2, feed mechanism 100 further includes spacer 170, and spacer 170 is rotatablely arranged at second set Between body 142 and screw rod 110.Spacer 170 is equipped with the connecting hole connected for connector 160.Connecting hole can run through the spacer 170, it can also be not through the spacer 170.One in spacer 170 and screw rod 110 is equipped with spline, another is equipped with and spline phase The keyway of cooperation, spline are fitted into keyway, so that screw rod 110 and spacer 170 are connected.Also, keyway and spline can prevent It only skids between screw rod 110 and spacer 170, and then prevents from relatively rotating between screw rod 110 and spacer 170.Work as connector 160 across when perforating and being fitted into connecting hole, and bearing holder (housing, cover) 140 and spacer 170 and screw rod 110 are connected by connector 160, Under the limitation of unilateral bearing 120, screw rod 110 can only be uniaxially towards, guarantee knife grinding mechanism mobile close to 400 direction of cut paper dise knife 200 accurately feeding movements.After connector 160 is extracted from connecting hole, the contact of screw rod 110 and bearing holder (housing, cover) 140 and one-way shaft 120 connection is held, so that screw rod 110 can drive knife grinding mechanism 200 to cut far from this with Double-directional rotary convenient for the retrogressing of screw rod 110 Paper dise knife 400 facilitates the replacement of cut paper dise knife 400.
It can connect, in other embodiments, spacer 170 is equipped with the connection through-hole passed through for connector 160, connector 160 sequentially pass through conflict screw rod 110 after perforation, connection through-hole, so that screw rod 110, spacer 170 and bearing holder (housing, cover) 140 are connected, To guarantee that screw rod 110 under the limitation of unilateral bearing 120, uniaxially drives knife grinding mechanism 200 accurately to feed.Work as connector After 160 leave the screw rod 110, screw rod 110 can be rotated relative to spacer 170, and then can be relative to bearing holder (housing, cover) 140 and one-way shaft 120 rotations are held, screw rod 110 is allowed to drive knife grinding mechanism 200 close to or far from cut paper dise knife 400.In replacement cut paper dise knife When 400, screw rod 110 drives knife grinding mechanism 200 far from the cut paper dise knife 400, and staff is facilitated to replace cut paper dise knife 400.
Wherein, when spacer 170 and bearing holder (housing, cover) 140, which release, to be connected, since spacer 170 has separated bearing holder (housing, cover) 140 and screw rod 110, screw rod 110 can be rotated more freely, less will receive the rotary resistance of bearing holder (housing, cover) 140.
Further, in conjunction with Fig. 2, connector 160 is bolt, and connecting hole or connection through-hole are the screw thread matched with bolt Hole.Connector 160 is threadedly coupled with spacer 170, can either improve bonding strength, and easy to disassemble.Wherein, perforation can be with right and wrong Threaded hole rapidly passes through the perforation convenient for connector 160, improves the working efficiency of staff;Certainly, the perforation can also be with It is selected as the threaded hole matched with the bolt.
Specifically, it in combination with Fig. 2, perforates as two or more, and/or, connecting hole or connection through-hole are two or more.Perforation The increase of quantity can facilitate perforation with the connecting hole on spacer 170 or connect the rapid-aligning of through-hole, to facilitate staff It is quickly installed connector 160.Similarly, the increase of connecting hole or connection number of openings, facilitates its rapid-aligning with perforation.
Specifically, in combination with Fig. 2, the first actuator 150 is cylinder, and the telescopic rod of cylinder is connect with unilateral bearing seat 130, To drive unilateral bearing seat 130 to rotate.
Please continue to refer to Fig. 2, which further includes fixing seat 180, and screw rod 110 is arranged in the fixing seat 180 In.Specifically, which is equipped with the threaded hole matched with the screw rod 110.
Fig. 1 is combined in one of the embodiments, and knife grinding mechanism 200 includes the first installation part 210, the second installation part 220, fixed plate 230, the first blade grinder 240 and the second blade grinder 250, the first blade grinder 240 are installed on the first installation Part 210, the second blade grinder 250 are installed on the second installation part 220, and the first blade grinder 240 and the second blade grinder 250 are opposite Setting, the first installation part 210 and the second installation part 220 are mounted on fixed plate 230, and fixed plate 230 is connect with screw rod 110.Silk It is mobile towards close 400 direction of cut paper dise knife that bar 110 drives knife grinding mechanism 200, so that cut paper dise knife 400 enters the first blade grinder 240 and second between blade grinder 250, realizes that knife grinding mechanism 200 carries out sharpening operation.
Specifically, fixed plate is rotatably installed in conjunction with Fig. 1, the first installation part 210 and/or the second installation part 220 230, so that the adjustable angle between the first blade grinder 240 and the second blade grinder 250.For example, the first installation key relative to Fixed plate 230 rotates, then the first installation part 210 also relatively rotates relative to the second installation part 220, thus the first mill Knife grinding wheel 240 and the second blade grinder 250 relatively rotate therewith and angle changes, and realize sharpening adjustable angle.According to sanction It is different to cut required best sharpening angle when different types of material, the first blade grinder 240 and the second blade grinder 250 it Between rotate, to adjust sharpening angle, cut paper dise knife 400 is enabled to obtain corresponding sharpening angle, meet different material plus Work requirement, further increases the versatility of the cut paper dise knife 400.
Further, in conjunction with Fig. 1, fixed plate 230 is provided with first rotating shaft 231 and the first fastener 232, the first installation part 210, which are equipped with first, adjusts arc slot 211, and first rotating shaft 231 is connect with the first installation part 210, and the first fastener 232 is adjusted first Position is adjustable in arc slot 211, so that the first installation part 210 is rotating fulcrum with first rotating shaft 231, sends out relative to fixed plate 230 Raw rotation.Wherein, first rotating shaft 231 is the rotation center of circle, and first adjusts arc slot 211 as the corresponding segmental arc in the rotation center of circle.
And/or fixed plate 230 is provided with the second shaft 233 and the second fastener 234, the second installation part 220 is equipped with second Arc slot is adjusted, the second shaft 233 is connect with the second installation part 220, and position can in the second adjusting arc slot for the second fastener 234 It adjusts, so that the second installation part 220 is rotating fulcrum with the second shaft 233, rotates relative to fixed plate 230.It is appreciated that First rotating shaft 231 and second bearing may be selected to be plugged in fixed plate 230, also may be selected and fixed plate 230 is integrally formed.First Fastener 232 or the second fastener 234 are chosen as one of screw, bolt or stud.
In this way, user may be selected to adjust the tilt angle of the first blade grinder 240, or selection adjusts the second blade grinder 250 tilt angle, or the tilt angle of the first blade grinder 240 and the second blade grinder 250 is adjusted, to change first Sharpening angle between blade grinder 240 and the second blade grinder 250.
Specifically, in conjunction with Fig. 1, the side of the first installation part 210 is equipped with connecting plate, and connecting plate is equipped with first and adjusts arc slot 211, first rotating shaft 231 is connect with connecting plate.The setting of connecting plate is convenient for user from the side of the first installation part 210, and logical It crosses the first fastener 232 of adjustment and adjusts position in arc slot 211 first, quickly adjust the tilt angle of the first blade grinder 240.
Specifically, in conjunction with Fig. 1, the first installation part 210 and the second installation part 220 are located at the same side of fixed plate 230, and first Blade grinder 240 and the setting of 250 relative misalignment of the second blade grinder.The mill of first blade grinder 240 and the second blade grinder 250 Knife face is opposite, can whet a knife to the cut paper dise knife 400 between the first blade grinder 240 and the second blade grinder 250. First blade grinder 240 and the second blade grinder 250 are arranged in a staggered manner, and can be avoided the two interference.
Specifically, in conjunction with Fig. 1, the first installation part 210, the second installation part 220 and fixed plate 230 surround an installation room.The One blade grinder 240 and the second blade grinder 250 are located at installation interior, are installing indoor sharpening, can prevent abrasive dust or mill dirt It splashes.
Specifically, in conjunction with Fig. 1, knife grinding mechanism 200 further includes the second actuator 260 and third actuator 270.Second driving Part 260 is installed on the first installation part 210.Second actuator 260 is for driving the first blade grinder 240 towards close to or far from second 250 direction of blade grinder is mobile, changes the interval between the first blade grinder 240 and the second blade grinder 250, so that the first mill Knife grinding wheel 240 is contradicted or is separated with cut paper dise knife 400.Third actuator 270 is installed on the second installation part 220, third actuator 270 for driving the second blade grinder 250 to move towards close to or far from 240 direction of the first blade grinder, so that the second sharpening sand Wheel 250 is contradicted or is separated with cut paper dise knife 400.First blade grinder 240 and the second blade grinder 250 are from cut paper dise knife 400 Two sides polishing, so that cut paper dise knife 400 is sharper, grinding effect is good.
Wherein, the second actuator 260 is the first cylinder, and/or, third actuator 270 is the second cylinder.
A kind of technical solution of paper cutter is also disclosed in the utility model combined with Figure 1 and Figure 2,.The paper cutter includes rack 300, cut paper dise knife 400 and above-mentioned knife sharpening device, cut paper dise knife 400 and knife sharpening device are mounted on rack 300, screw rod 110 with Knife grinding mechanism 200 connects, to drive knife grinding mechanism 200 towards close to or far from the mobile knife grinding mechanism 200 in 400 direction of cut paper dise knife. Also referring to Fig. 3 and Fig. 4, when above-mentioned paper cutter needs replacing cut paper dise knife 400, screw rod 110 and bearing holder (housing, cover) 140 release and connect It connects, then screw rod 110 can occur forward or reverse relative to bearing holder (housing, cover) 140, and being no longer limited by unilateral bearing 120 can only unidirectionally turn It is dynamic, so that the knife grinding mechanism 200 being mounted on screw rod 110 can be realized towards 400 direction of the cut paper dise knife movement far from paper cutter, So that knife grinding mechanism 200 vacates operating space far from cut paper dise knife 400, staff is not due to having the resistance of knife grinding mechanism 200 Gear, can easily replace cut paper dise knife 400.
Specifically, in conjunction with Fig. 3 and Fig. 4, it is additionally provided with guide rail 500 in rack 300, fixed plate 230 is movably installed in guide rail 500 On.Guide rail 500 plays guiding role to fixed plate 230, so that fixed plate 230 is more smoothly towards close to or far from cut paper dise knife 400 directions are mobile.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of knife sharpening device, which is characterized in that the knife sharpening device includes knife grinding mechanism and feed mechanism, the feed mechanism Including screw rod, unilateral bearing, unilateral bearing seat, bearing holder (housing, cover) and the first actuator, first actuator is for driving the list It is rotated to bearing block, the unilateral bearing is installed in the unilateral bearing seat, and the bearing holder (housing, cover) is rotatably sleeved on described In unilateral bearing, the screw rod is arranged in the bearing holder (housing, cover), and the screw rod is detachably connected with the bearing holder (housing, cover), the silk Bar is connect with the knife grinding mechanism, to drive the knife grinding mechanism mobile.
2. knife sharpening device according to claim 1, which is characterized in that the bearing holder (housing, cover) includes the first body interconnected With the second body, the first set body is located in the unilateral bearing, and second body is located at outside the unilateral bearing, described Second body is equipped with the perforation passed through for connector.
3. knife sharpening device according to claim 2, which is characterized in that the feed mechanism further includes spacer, the spacer It is rotatablely arranged between second body and the screw rod;
Wherein, the spacer is equipped with the connecting hole for connector connection, and the spacer is equipped with one in the screw rod Spline, another is equipped with the keyway matched with the spline;
Alternatively, the spacer is equipped with the connection through-hole passed through for the connector, the connector sequentially passes through the perforation, institute The screw rod is contradicted after stating connection through-hole, so that the screw rod, the spacer and the bearing holder (housing, cover) are connected.
4. knife sharpening device according to claim 3, which is characterized in that the connector is bolt, the connecting hole or institute Stating connection through-hole is the threaded hole matched with the bolt.
5. knife sharpening device according to claim 3, which is characterized in that the perforation is two or more, and/or, the company Hole or the connection through-hole are connect as two or more.
6. knife sharpening device according to claim 1, which is characterized in that first actuator is cylinder, the cylinder Telescopic rod is connect with the unilateral bearing seat, to drive the unilateral bearing seat to rotate.
7. according to claim 1 to knife sharpening device described in 6 any one, which is characterized in that the knife grinding mechanism includes first Installation part, the second installation part, fixed plate, the first blade grinder and the second blade grinder, first blade grinder are installed on institute The first installation part is stated, second blade grinder is installed on second installation part, first blade grinder and described second Blade grinder is oppositely arranged, and first installation part and second installation part are mounted on the fixed plate, the fixed plate It is connect with the screw rod.
8. knife sharpening device according to claim 7, which is characterized in that first installation part and/or second installation Part is rotatably installed on the fixed plate, so that the angle between first blade grinder and second blade grinder can It adjusts.
9. knife sharpening device according to claim 8, which is characterized in that the fixed plate is provided with first rotating shaft and first tightly Firmware, first installation part are equipped with first and adjust arc slot, and the first rotating shaft is connect with first installation part, and described first Fastener position in the first adjusting arc slot is adjustable, so that first installation part is rotation branch with the first rotating shaft Point rotates relative to the fixed plate;
And/or the fixed plate is provided with the second shaft and the second fastener, second installation part is equipped with second and adjusts arc Slot, second shaft are connect with second installation part, and position can in the second adjusting arc slot for second fastener It adjusts, so that second installation part rotates using second shaft as rotating fulcrum relative to the fixed plate.
10. a kind of paper cutter, which is characterized in that the paper cutter includes rack, cut paper dise knife and such as claim 1 to 9 is any Knife sharpening device described in one, the cut paper dise knife and the knife sharpening device are mounted on the rack, the screw rod with it is described Knife grinding mechanism connection, to drive the knife grinding mechanism towards close to or far from the mobile knife grinding mechanism in cut paper dise knife direction.
CN201822179257.4U 2018-12-24 2018-12-24 Paper cutter and knife sharpening device Active CN209288885U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822179257.4U CN209288885U (en) 2018-12-24 2018-12-24 Paper cutter and knife sharpening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822179257.4U CN209288885U (en) 2018-12-24 2018-12-24 Paper cutter and knife sharpening device

Publications (1)

Publication Number Publication Date
CN209288885U true CN209288885U (en) 2019-08-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822179257.4U Active CN209288885U (en) 2018-12-24 2018-12-24 Paper cutter and knife sharpening device

Country Status (1)

Country Link
CN (1) CN209288885U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109366260A (en) * 2018-12-24 2019-02-22 广东宝进科技有限公司 Paper cutter and knife sharpening device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109366260A (en) * 2018-12-24 2019-02-22 广东宝进科技有限公司 Paper cutter and knife sharpening device
CN109366260B (en) * 2018-12-24 2024-06-18 广东宝进科技有限公司 Paper cutter and knife sharpening device

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