CN108834538A - A kind of sectional-regulated cutter gap without engine grass trimmer - Google Patents
A kind of sectional-regulated cutter gap without engine grass trimmer Download PDFInfo
- Publication number
- CN108834538A CN108834538A CN201810838951.4A CN201810838951A CN108834538A CN 108834538 A CN108834538 A CN 108834538A CN 201810838951 A CN201810838951 A CN 201810838951A CN 108834538 A CN108834538 A CN 108834538A
- Authority
- CN
- China
- Prior art keywords
- side plate
- fixing frame
- ledger
- plate
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
- A01D34/52—Cutting apparatus
- A01D34/53—Helically shaped cutting members
Abstract
The present invention provides a kind of sectional-regulated cutter gaps without engine grass trimmer, belongs to graden machine technical field.It solves the problems such as existing cutter for mower gap is big, gap is uneven.The present invention includes ledger-plate, tool fixing frame, side plate, side plate connecting rod and hobboing cutter, tool fixing frame, side plate, side plate connecting rod are combined into frame shape rack, ledger-plate is arranged in tool fixing frame, ledger-plate and tool fixing frame interval are arranged to form the elastic gap extended along stationary knife length direction, spring is equipped in the elastic gap, ledger-plate is connect by several bolts with tool fixing frame, and bolt one end is threadedly coupled after passing through ledger-plate with tool fixing frame.The advantage of the invention is that cutter gap adjustment structure is simple, the gap sectional in one Cutting Length of stationary knife and hobboing cutter is adjusted, realize cooperation uniformly, ledger-plate exempts from grinding, adjust precisely, rigidity of frame it is good.
Description
Technical field
The invention belongs to graden machine technical fields, are related to grass trimmer, and in particular to a kind of sectional-regulated cutter gap
Without engine grass trimmer.
Background technique
The primary structure of no engine grass trimmer includes rack, hobboing cutter and stationary knife, and hobboing cutter rotates when mowing, the spiral on hobboing cutter
Blade cutting edge and stationary knife cutting edge generate shear action, and grass is cut off.Therefore, more demanding to the linear precision of stationary knife cutting edge, but
It is the slice-shaped steel bar that existing ledger-plate generally uses 2-4mm thickness, whether uses grinding or the processing method with milling, all
It is difficult stationary knife cutting edge linear precision being worked into perfect condition, so the gap after ledger-plate installs for the first time, between hobboing cutter
Just it is likely to non-uniform, after especially cutter is worn using a period of time, the non-uniform situation in gap may be more
Obviously, so that ideal shearing cooperation be not achieved.
It is excessive that the controlling mechanism of tool of existing grass trimmer can only adjust gap, but it is uniform to can not achieve gap, such as Shen
Please number for CN105684632A propose a kind of grass trimmer cutting mechanism, stationary knife by be arranged in rotary tool fixing frame
On, tool fixing frame is rotated, so that stationary knife cutting edge is close to hobboing cutter to eliminate or reduce gap.If the straight line of the essence of stationary knife cutting edge itself
Degree is not high, and it is to rotate integrally to adjust that above-mentioned regulating mechanism, which adjusts stationary knife again, and hobboing cutter cutting edge is matched with the shearing of stationary knife cutting edge after adjusting
Close non-uniform situation still can existing for, so this regulative mode is high to the required precision of stationary knife itself.In addition, due to fixed
Knife rest is that needs are movable, and tool fixing frame is usually a part of rack composition, so the integral rigidity of rack is also bad, is assembled
Process is also relative complex.
Summary of the invention
The purpose of the present invention is for drawbacks described above existing for existing grass trimmer, and a kind of cutter gap adjustment provided
Structure is simple, the gap sectional in one Cutting Length of stationary knife and hobboing cutter is adjusted, realize cooperation uniformly, ledger-plate exempts from grinding,
Adjust accurate, the good no engine grass trimmer of rigidity of frame.
Object of the invention can be realized by the following technical scheme：
A kind of sectional-regulated cutter gap without engine grass trimmer, including ledger-plate, tool fixing frame, side plate, side plate connecting rod
And hobboing cutter, tool fixing frame, side plate, side plate connecting rod are combined into frame shape rack, hobboing cutter is rotatably arranged in rack, which is characterized in that
Ledger-plate is arranged in tool fixing frame, and ledger-plate and tool fixing frame interval are arranged to form one between the elasticity that stationary knife length direction extends
Gap, the elastic gap is interior to be equipped with the spring for keeping the elastic gap to be formed, and ledger-plate is connect by several bolts with tool fixing frame,
Bolt one end is threadedly coupled after passing through ledger-plate with tool fixing frame.For spring-compressed between stationary knife and tool fixing frame, the elastic force of spring can
To keep elastic gap to be formed, while the telescopicing performance of spring makes the spacing size of the elastic gap adjustable again, passes through tune
Elastic gap is saved to adjust the gap between ledger-plate and hobboing cutter, rotation bolt makes ledger-plate pushing or upper bullet i.e. adjustable elastic
The spacing size in gap, it is easy to adjust.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the spring is equipped at least one,
All spring force sphere of actions combine to form an elastic force section, and the elastic force siding-to-siding block length range is long close to above-mentioned elastic gap
Range is spent, elastic force is acted in the length range of entire elastic gap, can be segmented elastic gap by bolt.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the bolt be equipped with it is multiple, it is multiple
Bolt is alternatively arranged along ledger-plate extending direction.Multiple bolt spacings settings, extend along direction for above-mentioned elastic gap and are divided into
The gap of several stretch sections, each stretch section can individually be adjusted by the corresponding bolt in both ends, and the specific aim of adjusting is stronger,
It is more acurrate.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, multiple bolt equidistant radial arrangements are in one
Straight line.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the ledger-plate is equipped with connection
Hole, above-mentioned tool fixing frame are equipped with screw hole, and connecting hole, screw hole and above-mentioned bolt be arranged in a one-to-one correspondence, bolt pass through after connecting hole and
Screw hole is threadedly coupled.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the tool fixing frame, side plate, side plate connect
Extension bar is welded as a whole.Rack is integral type welding structure, and good integrity, rigidity is high, and assembly is simple.
It is above-mentioned in a kind of above-mentioned sectional-regulated cutter gap without there are two in engine grass trimmer, the side plate is set
Side plate connecting rod and tool fixing frame are arranged in parallel, and both side plate is arranged in parallel and sets up separately at the both ends of side plate connecting rod, tool fixing frame.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the hobboing cutter include hobboing cutter axis and
Roll blade on hobboing cutter axis is set, and the both ends of hobboing cutter axis are set up separately on above-mentioned both side plate and both ends pass through bearing and bearing block
On corresponding side plate, side plate is equipped with the seam allowance for installing bearing block for setting, and the side of seam allowance is equipped with opening, the width of opening
Greater than the diameter of axle of hobboing cutter axis.Opening connection seam allowance and side plate edge, hobboing cutter axis both ends are put into seam allowance by two openings, simplify dress
With technique, assemble simple and convenient.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the bearing block is outside corresponding side plate
Hobboing cutter axis is pierced into side, is put into seam allowance and fixed.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the spring is in strip of sheet, spring
Length extending direction it is consistent with above-mentioned stationary knife leaf length extending direction, there is spring height to rise and fall along its length, on spring
It offers and is threaded through in corresponding first perforation with one-to-one first perforation of above-mentioned bolt, bolt.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the spring twist, spring
Spiralization inner hole, spring are arranged in a one-to-one correspondence with above-mentioned bolt, and bolt is threaded through in the inner hole of corresponding spring.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the spring be it is V-shaped, spring
There is the second perforation in V-Bottom portion, and spring is arranged in a one-to-one correspondence with above-mentioned bolt, and bolt is threaded through in corresponding second perforation.
Compared with the prior art, the advantages of the present invention are as follows determined by rotating bolt and being adjusted using ledger-plate compressed spring
The relative distance of blade and tool fixing frame, to realize the gap adjustment of ledger-plate and roll blade, structure is simple, easy to adjust；Bullet
Spring is distributed in entire elastic gap, is segmented by multiple bolts, and each section can individually be adjusted, and adjusting specific aim is more preferable, can
So that cutter gap is uniform, while the requirement to ledger-plate machining accuracy can be reduced；Side plate, side plate connecting rod, tool fixing frame weldering
It is connected into the frame shape rack of integral type, structural rigidity is higher, while can simplify assembly technology.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram that the present invention removes ledger-plate；
Fig. 3 is the structural schematic diagram of frame shape rack；
Fig. 4 is the structural schematic diagram of spring.
In figure, 1, ledger-plate；2, tool fixing frame；3, side plate；4, side plate connecting rod；5, bearing block；6, spring；7, hobboing cutter axis；
8, seam allowance；9, it is open；10, bolt；11, screw hole；12, the first perforation；13, roll blade.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figures 1 to 4, a kind of sectional-regulated cutter gap provided by the invention without engine grass trimmer, including it is fixed
Blade 1, tool fixing frame 2, both side plate 3, side plate connecting rod 4, bearing block 5, spring 6, hobboing cutter；Side plate connecting rod 4 is parallel with tool fixing frame 2
Setting, both side plate 3 are arranged in parallel and set up separately at the both ends of side plate connecting rod 4, tool fixing frame 2, both ends of side plate connecting rod 4 and fixed
The both ends of knife rest 2 are connected with the welding of the side plate 3 of two sides, and combination forms the frame shape rack of integral type；Hobboing cutter include hobboing cutter axis 7 with
And the spiral roll blade 13 on hobboing cutter axis 7 is set, the both ends of hobboing cutter axis 7 are erected on both side plate 3 and length is greater than two
Width between side plate 3, each side plate 3 are equipped with the seam allowance 8 for installing bearing block 5, are equipped with bearing, hobboing cutter axis 7 in bearing block 5
It is located in bearing with one heart, in order to install hobboing cutter axis 7, the side of seam allowance 8 is equipped with opening 9,9 connection seam allowance 8 of opening and 3 side of side plate
Edge, 9 width of being open are greater than the diameter of axle of hobboing cutter axis 7, and for opening 9 for hobboing cutter axis 7 to be put into seam allowance 8, hobboing cutter axis 7 is put into seam allowance 8
Afterwards, bearing block 5 pierces into hobboing cutter axis 7 on the outside of corresponding side plate 3, and then bearing block 5 is mounted in seam allowance 8 and passes through threaded fastener
It is fixed.
Interval setting forms the elastic gap extended along 1 length direction of ledger-plate between ledger-plate 1 and tool fixing frame 2,
The elastic gap and 1 similar length of ledger-plate, elastic gap is interior to be equipped with spring 6, and spring 6 is equipped with setting one or more according to structure
A, all 6 elastic force sphere of actions of spring combine to form an elastic force section, and the elastic force siding-to-siding block length range is long close to elastic gap
Range is spent, ledger-plate 1 is connected by multiple bolts 10 with tool fixing frame 2, and ledger-plate 1 is equipped with connecting hole, and tool fixing frame 2 is equipped with spiral shell
Hole 11, connecting hole, screw hole 11 and bolt 10 are arranged in a one-to-one correspondence, and 10 one end of bolt passes through connecting hole and 11 screw thread of screw hole connects
It connects, spring 6 is compressed in elastic gap by ledger-plate 1, and the elastic force of spring 6 can make to keep shape between ledger-plate 1 and tool fixing frame 2
It at elastic gap, while rotating bolt 10 and can push or upper bullet ledger-plate 1, change the spacing size of elastic gap, thus
Spacing of the ledger-plate 1 with respect to roll blade 13 is adjusted, realizes gap adjustment；Elastic gap is divided by multiple bolts 10 along its length
Several stretch sections can adjust stretch section spacing size by the bolt 10 at turnable elastic section both ends, make the sword of ledger-plate 1
The cutting edge of mouth and hobboing cutter has shears cooperation well, and degree of regulation Du Genggao can save the grinding work of blade.
There are many structure types for spring 6：
Embodiment 1：
Spring 6 is provided only with one, the spring 6 in strip of sheet and length it is close with ledger-plate 1, the extending direction of spring 6 and
The length direction of ledger-plate 1 is consistent, and it is wave-shaped that there is spring 6 height to rise and fall, and spring 6 has wave crest and trough, each wave crest wave
Paddy equidistant interval is arranged, and the first perforation 12 is also opened up on wave crest or trough, and the first perforation 12 is corresponded with bolt 10, bolt 10
It is threaded through in corresponding first perforation 12.
Embodiment 2：
Spring 6 be also possible to it is helical, spiral spring 6 be equipped with it is multiple and with bolt 10 correspond, bolt
10 sequentially pass through be correspondingly connected with hole, spring 6 after screw in tool fixing frame 2 on screw hole 11 in.
Spiral spring 6 can also be directly weldingly fixed in tool fixing frame 2 with lower end.
Embodiment 3：
Spring 6 is also possible to V-shaped, and there is the second perforation in V-Bottom portion, and spring 6 is equipped with multiple and corresponds with bolt 10,
Bolt 10 screws in the screw hole 11 in tool fixing frame 2 after passing through the second perforation for corresponding to spring 6.
It should be understood that in claims of the present invention, specification, all " including ... " should be understood as open
Meaning, that is, its meaning is equal to " at least containing ... ", but should not be understood as enclosed meaning, i.e., its meaning is not answered
This is interpreted as " only including ... ".
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of sectional-regulated cutter gap without engine grass trimmer, including ledger-plate (1), tool fixing frame (2), side plate (3), side plate
Connecting rod (4) and hobboing cutter, tool fixing frame (2), side plate (3), side plate connecting rod (4) are combined into frame shape rack, and hobboing cutter is rotatably arranged on
In rack, which is characterized in that the ledger-plate (1) is arranged on tool fixing frame (2), and ledger-plate (1) is set with tool fixing frame (2) interval
It sets to form the elastic gap extended along stationary knife length direction, is equipped with spring (6) in the elastic gap, ledger-plate (1) passes through
Several bolts (10) are connect with tool fixing frame (2), and bolt (10) one end passes through ledger-plate (1) and is threadedly coupled afterwards with tool fixing frame (2).
2. a kind of sectional-regulated cutter gap according to claim 1 without engine grass trimmer, which is characterized in that it is described
Bolt (10) be equipped with it is multiple, multiple bolts (10) are alternatively arranged along ledger-plate (1) extending direction.
3. a kind of sectional-regulated cutter gap according to claim 2 without engine grass trimmer, which is characterized in that multiple spiral shells
Bolt (10) equidistant radial arrangement is in a straight line.
4. a kind of sectional-regulated cutter gap according to claim 1 or 2 or 3 without engine grass trimmer, which is characterized in that
The ledger-plate (1) be equipped with connecting hole, above-mentioned tool fixing frame (2) be equipped with screw hole (11), connecting hole, screw hole (11) with it is above-mentioned
Bolt (10) is arranged in a one-to-one correspondence, and bolt (10) is threadedly coupled after passing through connecting hole with screw hole (11).
5. a kind of sectional-regulated cutter gap according to claim 1 or 2 or 3 without engine grass trimmer, which is characterized in that
The tool fixing frame (2), side plate (3), side plate connecting rod (4) are welded as a whole.
6. a kind of sectional-regulated cutter gap according to claim 5 without engine grass trimmer, which is characterized in that it is described
There are two side plate (3) is set, above-mentioned side plate connecting rod (4) and tool fixing frame (2) are arranged in parallel, and both side plate (3) is arranged in parallel and sets up separately
At the both ends of side plate connecting rod (4), tool fixing frame (2).
7. a kind of sectional-regulated cutter gap according to claim 6 without engine grass trimmer, which is characterized in that it is described
Hobboing cutter includes the roll blade (13) of hobboing cutter axis (7) and setting on hobboing cutter axis (7), and the both ends of hobboing cutter axis (7) are set up separately above-mentioned
On both side plate (3) and both ends pass through bearing and bearing block (5) setting on corresponding side plate (3), and side plate (3) is equipped with for pacifying
The seam allowance (8) of bearing block (5) is filled, the side of seam allowance (8) is equipped with opening (9), and the width of opening (9) is greater than the axis of hobboing cutter axis (7)
Diameter.
8. a kind of sectional-regulated cutter gap according to claim 1 or 2 or 3 without engine grass trimmer, which is characterized in that
The spring (6) is in strip of sheet, and the length extending direction of spring (6) is consistent with above-mentioned ledger-plate (1) length extending direction, bullet
Spring (6) along its length there is height to rise and fall, and offer on spring (6) and one-to-one first perforation of above-mentioned bolt (10)
(12), bolt (10) is threaded through in corresponding first perforation (12).
9. a kind of sectional-regulated cutter gap according to claim 1 or 2 or 3 without engine grass trimmer, which is characterized in that
Twist, spring (6) spiralization inner hole, spring (6) is arranged in a one-to-one correspondence the spring (6) with above-mentioned bolt (10),
Bolt (10) is threaded through in the inner hole of corresponding spring (6).
10. a kind of sectional-regulated cutter gap according to claim 1 or 2 or 3 without engine grass trimmer, feature exists
Be in, the spring (6) it is V-shaped, there is the second perforation in the V-Bottom portion of spring (6), and spring (6) and above-mentioned bolt (10) are one by one
It is correspondingly arranged, bolt (10) is threaded through in corresponding second perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838951.4A CN108834538A (en) | 2018-07-27 | 2018-07-27 | A kind of sectional-regulated cutter gap without engine grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838951.4A CN108834538A (en) | 2018-07-27 | 2018-07-27 | A kind of sectional-regulated cutter gap without engine grass trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108834538A true CN108834538A (en) | 2018-11-20 |
Family
ID=64192163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810838951.4A Pending CN108834538A (en) | 2018-07-27 | 2018-07-27 | A kind of sectional-regulated cutter gap without engine grass trimmer |
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| Country | Link |
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| CN (1) | CN108834538A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5291724A (en) * | 1992-02-14 | 1994-03-08 | T.I. International, Inc. | Reel assembly for mower |
| CN2263448Y (en) * | 1996-04-30 | 1997-10-01 | 吕全生 | Buffer tobacco slice cutting knife |
| CN202385495U (en) * | 2011-12-21 | 2012-08-22 | 宁波奇亚园林工具有限公司 | Hob-type mowing mechanism |
| CN105684632A (en) * | 2016-01-20 | 2016-06-22 | 金华市赛格五金注塑有限公司 | Mower cutting mechanism |
| CN206895225U (en) * | 2017-04-15 | 2018-01-19 | 浙江永联环境股份有限公司 | A kind of shuttle low mower |
| CN208638998U (en) * | 2018-07-27 | 2019-03-26 | 浙江赛格园林机械有限公司 | A kind of sectional-regulated cutter gap without engine grass trimmer |
-
2018
- 2018-07-27 CN CN201810838951.4A patent/CN108834538A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5291724A (en) * | 1992-02-14 | 1994-03-08 | T.I. International, Inc. | Reel assembly for mower |
| CN2263448Y (en) * | 1996-04-30 | 1997-10-01 | 吕全生 | Buffer tobacco slice cutting knife |
| CN202385495U (en) * | 2011-12-21 | 2012-08-22 | 宁波奇亚园林工具有限公司 | Hob-type mowing mechanism |
| CN105684632A (en) * | 2016-01-20 | 2016-06-22 | 金华市赛格五金注塑有限公司 | Mower cutting mechanism |
| CN206895225U (en) * | 2017-04-15 | 2018-01-19 | 浙江永联环境股份有限公司 | A kind of shuttle low mower |
| CN208638998U (en) * | 2018-07-27 | 2019-03-26 | 浙江赛格园林机械有限公司 | A kind of sectional-regulated cutter gap without engine grass trimmer |
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