CN207941605U - A kind of cutter for paper grinder and its comb tablet - Google Patents
A kind of cutter for paper grinder and its comb tablet Download PDFInfo
- Publication number
- CN207941605U CN207941605U CN201721749310.9U CN201721749310U CN207941605U CN 207941605 U CN207941605 U CN 207941605U CN 201721749310 U CN201721749310 U CN 201721749310U CN 207941605 U CN207941605 U CN 207941605U
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- China
- Prior art keywords
- flange
- semicircular plate
- cutter
- axis hole
- paper
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Abstract
The utility model discloses a kind of cutter for paper grinder and its comb tablets, belong to shredded paper thermomechanical components field, it is intended to provide a kind of degree of wear reducing comb tablet, to extend the cutter for paper grinder comb tablet of its service life, it is characterized in that, include by semicircular plate and prolonging the main body that edge constitutes, axis hole is offered in main body, the peripheral region of semicircular plate side is provided with first flange vertical with semicircular plate along its circular arc direction, the other side is provided with second flange concentric with the first flange, the thickness that first flange is more than the radius of the second flange and semidiameter is the first flange, height of second flange with the first flange apart from semicircular plate is identical；Any one end in the first flange upper edge circular arc direction is provided with positioning region.
Description
Technical field
The utility model is related to a kind of shredded paper thermomechanical components, more particularly to a kind of cutter for paper grinder and its comb tablet.
Background technology
Shredder carries out cut paper mainly by the two neighboring rotor side by side of its paper shredder, and each rotor is along its axial direction one
Body installs row's blade.In same rotor, a comb tablet is installed between two blades, so that same row's blade is fitted close, when two
When a such rotor is disposed proximate to side by side, cut paper can be realized by the intermeshing between mutual blade.In this process
In, comb tablet is relatively stationary, it plays the role of supporting blade and combs paper activity space, since comb tablet is generally sheet
Part, therefore its shape, profile have large effect to its role.
As shown in Figure of description 5, with the comb tablet of blades fit in the smooth arc-shaped flaky in two sides in traditional shredder,
Interior segmental arc is equipped with arc groove 7, and both ends are respectively set there are one through-hole 8, and each comb tablet can be sleeved on knife by its arc groove 7
It on the roll shaft of roller, is placed within the annulus that two neighboring blade is formed on roll shaft, is worn by through-hole 8 between multiple comb tablets
It crosses in two in shredder locating rods, realizes the fixation of comb tablet.When shredder operates, adjacent two rotors are driven by motor
It is engaged cut paper, blade follows roll shaft to rotate synchronously at this time, and comb tablet is then fixed, just can play combing to paper
Effect.
Above-mentioned this comb tablet, in the shredder course of work, to make paper scrap be not easily accessible between adjacent blade and comb tablet
And cause to be covered with paper scrap in cutter, resistance is brought to blade rotation, therefore be close setting between comb tablet and blade, to reduce
Gap between the two.But this just exacerbates the abrasion between comb tablet and blade, and since blade often has the operation of forward and backward,
The service life loss of comb tablet is exceedingly fast.
Utility model content
One of the purpose of this utility model is to provide a kind of paper shredding cutters comb tablet, has the abrasion journey that can reduce comb tablet
Degree, to extend the effect of its service life.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of cutter for paper grinder comb tablet, including main body, the main body includes semicircular plate and prolongs edge, described to prolong edge
It is integrally formed with the straight flange portion of semicircular plate；
Axis hole is offered in the main body, the center of circle of the axis hole is arranged close to edge side is prolonged；
The peripheral region of the semicircular plate side is provided with first flange vertical with semicircular plate, institute along its circular arc direction
It states the semicircular plate other side and is provided with second flange concentric with the first flange, first flange is more than the radius of the second flange
And the semidiameter between the two is equal to the thickness of the first flange, height phase of second flange with the first flange apart from semicircular plate
Together；
Any one end in the first flange upper edge circular arc direction is provided with to be made of the first locating piece, the second locating piece
Positioning region；
First locating piece, the second locating piece are set to the periphery of the first flange along the circular arc direction of the first flange
On, and first locating piece is arranged close to the straight flange portion of semicircular plate, shape between first locating piece and the second locating piece
At thering is the circle centre position towards axis hole to be recessed and be sheathed on the positioning recess in shredder locating rod.
By using above-mentioned technical proposal, when the second flange is embedded in the inside of the first flange, the first flange can block two
Intermarginal gap outside comb tablet, and gap can be formed between the inside of the adjacent comb tablet of two panels at this time, and the distance in the gap is
For the thickness of the first flange.Due to the first flange thickness be more than blade thickness, be not easy when blade rotation with
Comb tablet is in direct contact, and so as to reduce the abrasion of comb tablet, and then extends its service life.
Further, the positioning region includes the first locating piece and the second locating piece, first locating piece, the second positioning
Block is set to along the circular arc direction of the first flange on the periphery of the first flange, and first locating piece is close to semicircular plate
Straight flange portion is arranged；
The circle centre position towards axis hole is formed between first locating piece and the second locating piece to be recessed and be sheathed on shredded paper
Positioning recess in machine locating rod.
By using above-mentioned technical proposal, positioning recess is fastened in the locating rod of shredder, so that comb tablet is not
It is easily influenced and is moved by cutter for paper grinder.
Further, the semicircular plate is equipped with the side of the second flange equipped with several positioning protrusion, the semicircular plate
Side equipped with the first flange is equipped with the positioning groove coordinated with positioning protrusion.
By using above-mentioned technical proposal, positioning protrusion insertion positioning groove in can play the role of be oriented to it is fixed,
So that the phenomenon that two pieces of adjacent comb tablets are not susceptible to walk or relatively rotate during use, so that comb tablet is not
The blade easily rotated damages.
Further, the side in remotely located portion is provided with lateral paper guide in the arc sections of the semicircular plate, described to lead paper
The one end of plate far from semicircular plate is tilted towards the straight flange portion of semicircular plate.
By using above-mentioned technical proposal, when the positioning region of comb tablet is fixed in the locating rod of shredder, lateral paper guide position
At the feeding mouth of shredder.Since the material is soft for paper, it is easy to be occurred not by the snap-in force of blade when it is into cutter
Rule is shunk so that part when paper enters cutter is uneven and can not be simultaneously crushed to it, if things go on like this cutter
Certain positions just easily cause clogging；Lateral paper guide can limit the relative swing of paper at this time so that paper can more have
Effect ground is crushed into cutter.
The another object of the utility model is to provide a kind of cutter for paper grinder, and there is paper scrap when making shredded paper to be not easy to plug knife
Tool, and the effect worn between comb tablet and blade can be reduced.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of cutter for paper grinder, including roll shaft and several blades along the setting of roll shaft length direction array, further include several
Above-mentioned cutter for paper grinder comb tablet, several main bodys are arranged in by axis hole on roll shaft, and first flange is embedded at
The downside of two flanges, the blade are set between the arbitrary two pieces adjacent main bodys；
The positioning protrusion is all higher than the sawtooth of blade at a distance from the axis hole center of circle at a distance from the axis hole center of circle, and described first
The thickness of flange is more than the thickness of blade.
By using above-mentioned technical proposal, when several comb tablets are installed on roll shaft, the second flange is embedded in the first flange
Inside, the first flange just can block gap intermarginal outside two comb tablets so that paper scrap is not easily accessible cutter and occurs to block existing
As that gap can be formed between the inside of the adjacent comb tablet of two panels at this time, and the distance in the gap is the thickness of the first flange
Degree.Since the thickness of the first flange is more than the thickness of blade, it is not easy to be in direct contact with comb tablet when blade rotation, from
And the abrasion between comb tablet and blade can be reduced, and then extend the service life of the two.
Further, spacer ring is arranged in the axis hole, the side wall on the roll shaft is axially disposed limiting groove, institute
The inner wall for stating spacer ring is provided with the spacing block set coordinated with limiting groove.
By using above-mentioned technical proposal, after spacing block set is embedded in limiting groove, spacer ring just can be rotated coaxially with roll shaft,
Spacer ring is clipped in the radial load that roll shaft can be undertaken between roll shaft and comb tablet to comb tablet, so that comb tablet is not susceptible to damage.
Further, the inner wall of the axis hole is provided with several semi arches protrusion, the semi arch protrusion and spacer ring it is outer
Ring contradicts.
By using above-mentioned technical proposal, the outer shroud conflict of semi arch protrusion and spacer ring enables between spacer ring and axis hole
Face contact become point contact, to further decrease the degree of wear of comb tablet.
Further, the semi arch protrusion is set to arc sections side of the axis hole close to the semicircular plate.
By using above-mentioned technical proposal, since thickness is smaller between axis hole and the right-angle side of semicircular plate, in processing half
It is easy to happen brittle failure when circular arc protrusion, therefore semi arch protrusion is arranged far to the side of semicircular plate right-angle side, facilitates and adds
Work.
In conclusion the utility model has the advantages that：
1. by the setting of the first flange and the second flange, a semi-enclosed gap can be provided when installing blade,
So that blade is not easy to be in direct contact with comb tablet in rotation, while but also paper scrap is not easily accessible at cutter；
2., can be by the first locating piece distance from top semicircular plate center of circle by the cooperation of positioning protrusion and positioning groove
Length is set greater than at the top of the second locating piece the distance between semicircular plate center of circle, can play the role of secondary gear paper；
3. by the setting of spacer ring, axis hole can be avoided to be in direct contact transmission with roll shaft, to be further reduced comb tablet and
The abrasion of axis hole.
Description of the drawings
Fig. 1 is the structural schematic diagram for being equipped with positioning protrusion one side in embodiment 1 for embodying main body；
Fig. 2 is the structural schematic diagram for being equipped with positioning groove one side in embodiment 1 for embodying main body；
Fig. 3 is the installation diagram for embodying paper shredding cutters in embodiment 2；
Fig. 4 is the portions A enlarged drawing in Fig. 3；
Fig. 5 is comb tablet structural schematic diagram in the prior art.
In figure, 1, main body；11, semicircular plate；111, the first flange；112, the second flange；113, positioning protrusion；114, fixed
Position groove；12, prolong edge；13, axis hole；131, semi arch protrusion；2, positioning region；21, the first locating piece；22, the second locating piece；
23, positioning recess；3, lateral paper guide；4, roll shaft；41, limiting groove；5, blade；6, spacer ring；61, spacing block set；7, arc groove；
8, through-hole.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment 1：A kind of cutter for paper grinder comb tablet, as shown in Figure 1, include main body 1, main body 1 by semicircular plate 11 with
And it is constituted with the integrally formed edge 12 of prolonging in the straight flange portion of semicircular plate 11.It is equipped with positioning in one end of 11 arc sections of semicircular plate
Portion 2, the other end are equipped with the lateral paper guide 3 for facilitating paper to be put into, and one end direction of the lateral paper guide 3 far from semicircular plate 11 is semicircle
The straight flange portion of plate 11 tilts；On the body 1 axis hole 13 is further opened with close to the side for prolonging edge 12.
As shown in Figure 1, the peripheral region in 11 one side of semicircular plate is provided with the first flange 111 along its circular arc direction, first
Flange 111 is vertical with semicircular plate 11；Second flange vertical with semicircular plate 11 is provided in the another side of semicircular plate 11
112, the second flange 112 is equal with 111 concentric and the two range semicircle shape plate 11 height of the first flange；First flange 111
More than the thickness that the semidiameter between the radius and the two of the second flange 112 is equal to the first flange 111.
As shown in Figure 1, the positioning region 2 includes the first locating piece 21 being arranged along the circular arc direction of the first flange 111 and the
Two locating pieces 22, the first locating piece 21 are arranged close to the straight flange portion of semicircular plate 11.In the first locating piece 21 and the second locating piece
The positioning recess 23 engaged with the locating rod (not shown) of shredder is formed between 22, the positioning recess 23 is towards axis hole
13 circle centre position recess.
As illustrated in fig. 1 and 2, set on one side there are three positioning protrusion 113 equipped with the second flange 112 in semicircular plate 11, it is fixed
The equal length of position protrusion 113 and 112 range semicircle shape plate of the second flange, 11 surface, three positioning protrusion 113 are convex along second
The circular arc direction of edge 112 is uniformly distributed；It is equipped with and positioning protrusion 113 in the one side opposite with positioning protrusion 113 of semicircular plate 11 simultaneously
Mating positioning groove 114.When the positioning protrusion 113 in comb tablet is embedded in the positioning groove 114 in another comb tablet, the
The upper surface of two flanges 112 and the lower surface of the first flange 111 contradict, and the axis hole 13 in two comb tablets overlaps at this time.By
The rotations of adjacent two pieces of comb tablets can be limited after positioning protrusion 113 is embedded in positioning groove 114, so that two pieces adjacent
Comb tablet is not susceptible to the phenomenon that walking or relatively rotating during use.
Embodiment 2：A kind of cutter for paper grinder, as shown in figure 3, including in roll shaft 4, several blades 5 and several embodiments 1
Comb tablet, the side wall upper edge of roll shaft 4 its axial direction is provided with limiting groove 41, it is recessed that the interior ring-side wall of blade 5 is equipped with embedded limit
The spacing block set 61 of slot 41 (referring to Fig. 4).Compartment of terrain is arranged on roll shaft 4 several blades 5 successively with comb tablet, sawtooth on blade 5
The length in 13 center of circle of distance from top axis hole be less than length of the positioning protrusion 113 (referring to Fig. 1) apart from 13 center of circle of axis hole, and blade
5 thickness is less than the thickness of the first flange 111.When comb tablet being installed with blade 5, positioning protrusion 113 is embedded in positioning groove 114
In (referring to Fig. 2), the first flange 111 can block gap intermarginal outside two comb tablets so that paper scrap is not easily accessible cutter and occurs
Clogging, and gap can be formed between the inside of the adjacent comb tablet of two panels, and the distance in the gap is the first flange
111 thickness.Since the thickness of the first flange 111 is more than the thickness of blade 5, it is not easy and combs when blade 5 rotates
Piece is in direct contact, and so as to reduce the abrasion of comb tablet, and then extends its service life.
As shown in figure 3, being additionally provided with spacer ring 6 in the axis hole 13 of main body 1, spacer ring 6 is sheathed on roll shaft 4, spacer ring 6 it is interior
Ring-side wall also is provided with the spacing block set 61 of embedded limiting groove 41 (referring to Fig. 4).When spacing block set 61 is embedded in limiting groove 41
Afterwards spacer ring 6 and blade 5 just can with 4 common rotation of roll shaft, at this time spacer ring 6 can play the role of similar bearing, can not only
Radial load of the roll shaft 4 to axis hole 13 is shared, while axis hole 13 can also be made not to be in direct contact with roll shaft 4, to reduce axis hole
13 degree of wear.
As shown in figure 3, at the inner ring of axis hole 13 and far from 11 straight flange portion of semicircular plate side wall be surrounded with it is several
Semi arch protrusion 131, semi arch protrusion 131 enable to spacer ring 6 to become point contact with the contact of axis hole 13 from face contact, to
Further reduce the relative wear degree of spacer ring 6 and comb tablet.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of cutter for paper grinder comb tablet, including main body (1), it is characterized in that：The main body (1) include semicircular plate (11) with
Prolong edge (12), it is described to prolong straight flange portion integrated molding of the edge (12) with semicircular plate (11)；
Axis hole (13) is offered on the main body (1), the center of circle of the axis hole (13) is arranged close to edge (12) side is prolonged；
It is convex that the peripheral region of semicircular plate (11) side along its circular arc direction is provided with first vertical with semicircular plate (11)
Edge (111), semicircular plate (11) other side are provided with second flange (112) concentric with the first flange (111), and described
One flange (111) is more than the thickness that the semidiameter between the radius and the two of the second flange (112) is equal to the first flange (111), institute
It is identical as the height of the first flange (111) range semicircle shape plate (11) to state the second flange (112)；
Any one end in the first flange (111) upper edge circular arc direction is provided with positioning region (2).
2. a kind of cutter for paper grinder comb tablet according to claim 1, it is characterized in that：The positioning region (2) includes first
Locating piece (21) and the second locating piece (22)；
It is convex that first locating piece (21), the second locating piece (22) are set to first along the circular arc direction of the first flange (111)
On the periphery of edge (111), and first locating piece (21) is arranged close to the straight flange portion of semicircular plate (11), first positioning
It is formed with the circle centre position recess towards axis hole (13) between block (21) and the second locating piece (22) and engages with shredder locating rod
Positioning recess (23).
3. a kind of cutter for paper grinder comb tablet according to claim 2, it is characterized in that：The semicircular plate (11) is equipped with the
The side of two flanges (112) is equipped with several positioning protrusion (113), and the semicircular plate (11) is equipped with the one of the first flange (111)
Side is equipped with the positioning groove (114) coordinated with positioning protrusion (113).
4. a kind of cutter for paper grinder comb tablet according to claim 3, it is characterized in that：The circular arc of the semicircular plate (11)
The side of remotely located portion (2) is provided with lateral paper guide (3), one end court of the lateral paper guide (3) far from semicircular plate (11) in portion
It is tilted to the straight flange portion of semicircular plate (11).
5. a kind of cutter for paper grinder, including roll shaft (4) and several blades (5) along the setting of roll shaft (4) length direction array, special
Sign is：Further include the cutter for paper grinder comb tablet described in several claims 4, several main bodys (1) are worn by axis hole (13)
On roll shaft (4), first flange (111) is embedded at the downside of the second flange (112), and the blade (5), which is set to, appoints
Between two pieces of adjacent main bodys (1) of anticipating；
The positioning protrusion (113) is all higher than sawtooth and axis hole (13) center of circle of blade (5) at a distance from axis hole (13) center of circle
Distance, the thickness of first flange (111) are more than the thickness of blade (5).
6. a kind of cutter for paper grinder according to claim 5, it is characterized in that：It is arranged with spacer ring (6) in the axis hole (13),
Side wall on the roll shaft (4) is axially disposed limiting groove (41), and the inner wall of the spacer ring (6) is provided with and limiting groove
(41) spacing block set (61) coordinated.
7. a kind of cutter for paper grinder according to claim 6, it is characterized in that：The inner wall of the axis hole (13) is provided with several
Semi arch protrusion (131), the semi arch raised (131) and the outer shroud of spacer ring (6) contradict.
8. a kind of cutter for paper grinder according to claim 7, it is characterized in that：The semi arch raised (131) is set to institute
State arc sections side of the axis hole (13) close to the semicircular plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721749310.9U CN207941605U (en) | 2017-12-14 | 2017-12-14 | A kind of cutter for paper grinder and its comb tablet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721749310.9U CN207941605U (en) | 2017-12-14 | 2017-12-14 | A kind of cutter for paper grinder and its comb tablet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207941605U true CN207941605U (en) | 2018-10-09 |
Family
ID=63703994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721749310.9U Expired - Fee Related CN207941605U (en) | 2017-12-14 | 2017-12-14 | A kind of cutter for paper grinder and its comb tablet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207941605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021143203A1 (en) * | 2020-01-14 | 2021-07-22 | 广东电网有限责任公司清远供电局 | Wire stripping device with detachable blades |
-
2017
- 2017-12-14 CN CN201721749310.9U patent/CN207941605U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021143203A1 (en) * | 2020-01-14 | 2021-07-22 | 广东电网有限责任公司清远供电局 | Wire stripping device with detachable blades |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 Termination date: 20201214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |