CN209021339U - A kind of hand-hold shearing unit of adjustable cutting angle - Google Patents
A kind of hand-hold shearing unit of adjustable cutting angle Download PDFInfo
- Publication number
- CN209021339U CN209021339U CN201821670882.2U CN201821670882U CN209021339U CN 209021339 U CN209021339 U CN 209021339U CN 201821670882 U CN201821670882 U CN 201821670882U CN 209021339 U CN209021339 U CN 209021339U
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- China
- Prior art keywords
- casing
- rollover stand
- support plate
- adjustable
- vertical plate
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Abstract
The utility model provides a kind of hand-hold shearing unit of adjustable cutting angle, including support plate, rollover stand, casing and motor, transmission gear and transmission shaft, saw blade is installed on the transmission shaft, rotation connection axis between the rollover stand and the support plate is arranged in parallel with the support plate and is arranged parallel with the saw blade, rotation connection axis between the rollover stand and the casing is arranged in parallel with the support plate and is mutually perpendicular to arrange with the saw blade, be fixedly connected or be connected in the support plate respectively with vertically arranged first vertical plate of the support plate and the second vertical plate, the first locking device is provided on the rollover stand, the second locking device is provided on the casing.Support plate can form support to casing still to bear most of weight of cutting machine when by the way that rollover stand is arranged casing being in tilted layout, so that there are user more energy to be absorbed in cutting action, cutting accuracy is relatively high and user is not easy to fatigue.
Description
Technical field
The utility model relates to a kind of cutting workpiece, especially a kind of hand-hold shearing unit of adjustable cutting angle.
Background technique
Hand-hold shearing unit is a kind of common plate, bar cutting equipment, due to easy to operate, is widely used and work
In the various industries such as Cheng Jianzhu, metallurgy and automobile manufacture, the application especially in architectural engineering decoration construction is more universal.
Hand-hold shearing unit on the market usually requires to realize cutting angle by the angle of the hand of swinging operation person at present
The adjustment of degree, for example, the applicant's previous application Publication No. CN207087026U Chinese utility model patent disclosed in one
Kind hand-hold shearing unit, when needing to chamfer plate or bar, it is necessary to which operator cuts hand-held in cutting
Machine is in tilted layout, so that saw blade is in tilted layout, then this meeting is so that the bottom plate of cutting machine can not form branch to entire cutting machine
Support, the weight of entire cutting machine need to fully rely on user to bear, and are easy to influence cutting accuracy, and user be easy it is tired
Labor.
In view of this, the applicant conducts in-depth research the structure of hand-hold shearing unit, there is this case generation then.
Utility model content
The purpose of this utility model is to provide a kind of cutting accuracy, relatively high and user is tireless adjustable
The hand-hold shearing unit of cutting angle.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of hand-hold shearing unit of adjustable cutting angle, including support plate, is rotatably connected in the support plate
Rollover stand, the casing being rotatably connected on the rollover stand and be arranged in the motor being sequentially connected in the casing and successively,
Transmission gear and transmission shaft, the transmission shaft are pierced by out of described casing, and saw blade is equipped on the transmission shaft, the support
The strip hole for passing through for the saw blade is offered on plate, the rotation connection axis between the rollover stand and the support plate with
The support plate is arranged in parallel and is arranged parallel with the saw blade, the rotation connection between the rollover stand and the casing
Axis is mutually perpendicular to arrange, is fixedly connected or is connected in the support plate and is vertical with the support plate respectively with the saw blade
The first vertical plate and the second vertical plate of arrangement are provided with for the rollover stand to be locked at first vertical plate on the rollover stand
On the first locking device, the second locking for being locked at the casing on second vertical plate is provided on the casing
Device.
As a kind of improvement of the utility model, the first fixed arc groove, the overturning are offered on first vertical plate
The first adjustable arc slot, arc center all positions of the described first fixed arc groove and the first adjustable arc slot are offered on frame
On rotation connection axis between the rollover stand and the casing, first locking device includes while being interspersed in described the
One fixes the first bolt in arc groove and the first adjustable arc slot, and spiral is connected with the first spiral shell on first bolt
Mother, and the nut of first bolt and first nut are located at the two sides of first vertical plate.
As a kind of improvement of the utility model, offers on first vertical plate and be connected to the described first fixed arc groove
The first stationary positioned hole, offer on the rollover stand be connected to the first adjustable arc slot and with it is described first fixed fixed
First movable positioning hole of position hole cooperation.
As a kind of improvement of the utility model, first vertical plate is in the position being located at by the first adjustable arc slot
Place is provided with angle index line.
As a kind of improvement of the utility model, the second fixed arc groove, the casing are offered on second vertical plate
On offer the second adjustable arc slot, the arc center of the described second fixed arc groove and the second adjustable arc slot is all located at
On rotation connection axis between the casing and the rollover stand, second locking device includes while being interspersed in described second
The second bolt in arc groove and the second adjustable arc slot is fixed, spiral is connected with the second nut on second bolt,
And the nut of second bolt and second nut are located at the two sides of second vertical plate.
As a kind of improvement of the utility model, the casing is set at the position being located at by the described second fixed arc groove
It is equipped with angle index line.
By adopting the above technical scheme, the utility model has the following beneficial effects:
1, support plate can form support to casing still to bear when by the way that rollover stand is arranged casing being in tilted layout
Most of weight of cutting machine so that there are user more energy to be absorbed in cutting action, cutting accuracy it is relatively high and
User is not easy to fatigue.
2, cutting is further increased convenient for the tilt angle and depth of cut of saw blade is accurately arranged by setting graduation mark
Precision.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model cutting machine, omits dust bag in figure;
Fig. 2 is the structural schematic diagram at another visual angle of the utility model cutting machine, omits dust bag in figure;
Fig. 3 is the axial cutting structural representation of the utility model cutting machine, omits cutting line and parts thereof in figure;
Fig. 4 is exploded structural schematic diagram of the utility model cutting machine in gerotor device position, omits dust bag in figure;
Fig. 5 is the structural schematic diagram of the elastic skeleton in the utility model.
Fig. 6 is the structural schematic diagram of the rollover stand in the utility model.
Corresponding mark is as follows in figure:
10- support plate;11- strip hole;
The first vertical plate of 12-;The second vertical plate of 13-;
14- first fixes arc groove;The first stationary positioned of 15- hole;
16- second fixes arc groove;20- rollover stand;
The first locking device of 21-;The second locking device of 22-;
23- the first adjustable arc slot;The first movable positioning hole of 24-;
30- casing;31- hood for protecting rider;
32- dust discharge cylinder;33- elastic skeleton;
34- elastic buckles socket part;35- support portion;
36- annular slot;37- main handle;
38- assist handle;40- motor;
50- transmission gear;
60- transmission shaft;61- saw blade;
62- sleeve;63- movable guard;
64- compressed spring;65- circlip;
66- hook;67- operation handle;
70- gerotor device;71- attachment base;
72- bend pipe;73- reset spring;
74- connecting hole;75- internal projecting ring;
The outer bulge loop of 76-;77- guide ring;
78- locating slot;79- locating piece.
Specific embodiment
The utility model is described further with body embodiment with reference to the accompanying drawing.
As shown in figs 1 to 6, a kind of hand-hold shearing unit of adjustable cutting angle, the cutting machine are present embodiments provided
With dust collection function, therefore provided in this embodiment is also a kind of hand-hold shearing unit with dust collection function, in addition, this implementation
The cutting machine of offer or a kind of hand-hold shearing unit convenient for operation.Specifically, cutting machine provided in this embodiment includes branch
Fagging 10, the rollover stand 20 being rotatably connected in support plate 10, the casing 30 being rotatably connected on rollover stand 20 and setting exist
Motor 40, transmission gear 50 and the transmission shaft 60 being sequentially connected in casing 30 and successively, wherein shell 30 can be split type shell
Body, or integral housing can be configured according to actual needs.Between motor 40, transmission gear 50 and transmission shaft 60
Specific transmission connecting structure can be conventional structure, it is preferred that in the present embodiment, transmission gear 50 is helical gear, electricity
It is provided with the helical teeth section engaged with transmission gear 50 on the output shaft of machine 40, is realized between motor 40 and transmission gear 50 with this
Transmission connection, can be directly delivered on motor 40 to avoid the axial float of user's transmission shaft 60 in this way, help to improve electricity
The service life of machine 40.
Transmission shaft 60 is pierced by out of casing 30, and saw blade 61 is equipped on transmission shaft 60, specific installation knot between the two
Structure is identical as conventional cutting machine, not the emphasis of the present embodiment, and and will not be described here in detail.In addition, being opened up in support plate 10 useful
In the strip hole 11 passed through for saw blade 61, certainly, saw blade 61 can also be located at the side of support plate 10.
It is realized and is rotatablely connected by rotational pin between rollover stand 20 and support plate 10, the rotation connection axis of the two (rotates
Pin) it is arranged in parallel with support plate 10 and is arranged parallel with saw blade 61;Also by rotational pin between rollover stand 20 and casing 30
Realize rotation connection, the rotation connection axis and saw blade 61 of the two are mutually perpendicular to arrange;In this way, can be by adjusting casing 30 and overturning
Rotational angle between frame 20 adjusts the height and position of saw blade 61, and then adjusts its depth of cut, while can be by adjusting turning over
Crawl between pivoted frame 20 and support plate 10 twists angle to adjust tilt angle of the saw blade 61 relative to vertical plane, realizes true
It protects under the premise of support plate 10 still forms support to casing 30 and inclined cut is carried out to plate or bar.
Be fixedly connected or be connected in support plate 10 respectively with vertically arranged first vertical plate 12 of support plate 10 and
Two vertical plates 13 are provided with the first locking device for being locked at rollover stand 20 on first vertical plate 12 on rollover stand 20
21, the second locking device 22 for being locked at casing 30 on second vertical plate 13 is provided on casing 30.
First locking device 21 and the second locking device 22 can be conventional locking device.Preferably, the first vertical plate
The first fixed arc groove 14 is offered on 12, and the first adjustable arc slot 23, the first fixed arc groove 14 are offered on rollover stand 20
And first the arc center of adjustable arc slot 23 be all located on the rotation connection axis between rollover stand 20 and casing 30, i.e., it is both same
Axis is arranged and radian is identical, and first locking device 21 includes while being interspersed in the first fixed arc groove 14 and the first arc of motion
The first bolt in shape slot 23, spiral is connected with the first nut, and the nut of the first bolt and the first nut point on the first bolt
Not Wei Yu the first vertical plate 12 two sides, in this way, can be relatively rotated between rollover stand 20 and support plate 20 after unscrewing the first nut,
It when turning to predetermined angular, tightens the first nut and the two is fastened, in order to accurately adjust rollover stand 20 and support plate 20
Between rotational angle, in the present embodiment, the first vertical plate 12 is provided at the position for being located at the side of the first adjustable arc slot 14
Angle index line.In addition, in the present embodiment, it is solid that first be connected to the first fixed arc groove 14 is offered on the first vertical plate 12
Determine location hole 15, offers and be connected to the first adjustable arc slot 23 and the with the cooperation of the first stationary positioned hole 15 on rollover stand 20
One movable positioning hole 24, when rollover stand 20 and support plate 20 relatively rotate to the first stationary positioned hole 15 and the first movable positioning hole
24 overlap position when, the first bolt can be moved to the position in the first stationary positioned hole 15 and the first movable positioning hole 24
Place, avoiding loosening in the first nut in cutting process causes to relatively rotate between rollover stand 20 and support plate 20.It needs
It is bright, in the accompanying drawings, the first stationary positioned hole 15 and the first movable positioning hole 24 all only one, but can also be according to reality
Border needs to be arranged multiple.
The structure of the second locking device 22 in the present embodiment is similar to the structure of the first locking device 21, specifically, the
The second fixed arc groove 16 is offered on two vertical plates 13, offers the second adjustable arc slot (not shown) on casing 30, the
The arc center of two fixed arc grooves 16 and the second adjustable arc slot is all located at the rotation connection between casing 30 and rollover stand 20
On axis;The second spiral shell that second locking device 22 includes while being interspersed in the second fixed arc groove 16 and the second adjustable arc slot
Bolt, spiral is connected with the second nut on the second bolt, and the nut of the second bolt and the second nut are located at the second vertical plate 13
Two sides, in this way, can be relatively rotated between rollover stand 20 and casing 30 after unscrewing the second nut, when turning to predetermined angular,
The first nut is tightened to fasten the two.In order to accurately adjust the rotational angle between rollover stand 20 and casing 30, in this reality
It applies in example, casing 30 is provided with angle index line at the position being located at by the second fixed arc groove.
Casing 30 have is set in 61 top of saw blade and opening towards arrangement hood for protecting rider 31, certainly, saw blade 61 with block
Cover 31 is not in contact with each other, and in other words, no matter how saw blade 61 rotates, and upper part is interspersed in always in the inner cavity of hood for protecting rider 31.It hides
The dust discharge cylinder 32 being connected to the inner cavity of hood for protecting rider 31 is fixedly connected with or is connected in block cover 31, and dust discharge cylinder 32 is preferably disposed on
At the tangent position of the tangent position of saw blade 61 or close saw blade 61, dust discharge cylinder 32 is arranged with dust far from one end of hood for protecting rider 31
Bag (being not shown in Fig. 1 and Fig. 2), the dust bag include the bag body and the elasticity for being used to support bag body that opening is connected to dust discharge cylinder 32
Skeleton 33, wherein bag body is conventional cloth bag, and the top of bag body is provided with notch, zipper, certainly, bag body are provided on the notch
Oral area be seamed on elastic skeleton 33;Elastic skeleton 33 has the elastic buckles socket part 34 being set on dust discharge cylinder 32 and is used for
Support the support portion 35 of bag body, 35 integrally connected of elastic buckles socket part 34 and support portion, specifically, elastic skeleton 33 is by iron bar system
At, by by iron bar be coiled into a loop diameter be less than dust discharge cylinder 32 annulus, using the annulus elasticity realize and dust discharge cylinder 32 it
Between snapping, and support portion 35 then linearly arrangement, for avoiding bag body from hanging under the effect of gravity.In addition, on dust discharge cylinder 32
The annular slot 36 cooperated with elastic buckles socket part 34 is offered, elastic buckles socket part 34 is helped avoid in this way and is taken off from dust discharge cylinder 32
It falls.In use, the high-speed rotation using saw blade 61 gets rid of the dust generated in cutting process in dust bag by dust discharge cylinder.
Preferably, in the present embodiment, the set being set on transmission shaft 60 is fixedly connected with or is connected on casing 30
Cylinder 61 is rotatably connected to movable guard 63 on sleeve 62, the rotation connection axis between movable guard 63 and sleeve 62 in saw blade 61
Mandrel is coaxially arranged, and saw blade 61 is interspersed in movable guard 63, and movable guard 63 is interspersed in hood for protecting rider 31, certainly, 61 He of saw blade
It is non-touching between movable guard 63.In this way, movable guard 63 can be turned under saw blade 61 when cutting off thin plate
Thin plate is cut using the side so that the periphery of saw blade 61 only has side not to be interspersed in movable guard 63 or hood for protecting rider 31 in portion
It cuts, and cutting the part scrap generated or dust can then fall under gravity into movable guard 63 and be collected, into one
Step avoids scrap or dust polluting environment, while also can be avoided saw blade 61 and accidentally cutting other things.
In order to avoid movable guard 63 slides naturally under the effect of gravity, in the present embodiment, compression is arranged on sleeve 62
Spring 64, and be connected with the circlip 65 supported on the intracavity sidewall of movable guard 63 on sleeve 62 and (certainly, needed out on sleeve 62
Equipped with clamping groove), one end of compressed spring 64 is supported on the lateral wall of movable guard 63, and the other end is supported on casing 30, this
Movable guard 63 is pressed on circlip 64 by the pretightning force that sample can use the offer of compressed spring 64, it is avoided to go out under the effect of gravity
The now rotation relative to sleeve 62.In addition, be interspersed with bolt (not shown) on hood for protecting rider 31, be provided on movable guard 63 with
The hook 66 of bolt cooperation.Movable guard 63 is avoided to slide naturally under the effect of gravity by the cooperation of hook 66 and bolt.
Movable guard 63 rotates for ease of operation, in the present embodiment, operation handle 67 is fixedly connected on movable guard 63.
It is identical as conventional cutting machine, be connected with power supply line (not shown) on the motor 40 in the present embodiment, i.e., it is electric
Source line 61 and its connection structure between motor 40 are identical as conventional cutting machine.Preferably, cycloid is provided on casing 30
Device 70, specifically, having main handle 37 and assist handle 38 on casing 30, gerotor device 70 is arranged on main handle 37.
Gerotor device 70 includes the bend pipe that the attachment base 71 that is fixedly connected on casing 30, one end are interspersed on attachment base 71
72 and the reset spring 73 that is set on bend pipe 72, wherein the connecting hole for interting bend pipe 72 is offered on attachment base 71
74, which is connected to the inner cavity of casing 30 with outside, and the oral area of inner cavity side of the connecting hole 74 far from casing 30
Position is provided with internal projecting ring 75, and the outer bulge loop 76 in connecting hole 74 is provided on bend pipe 72, and the internal diameter of internal projecting ring 75 is bigger
In the outer diameter of bend pipe 72, the outer diameter of outer bulge loop 76 is greater than the internal diameter of internal projecting ring 75, i.e. bend pipe 72 can be interspersed in internal projecting ring 75,
And outer bulge loop 75 is then difficult to pass through from internal projecting ring 75;One end of reset spring 74 is supported on outer bulge loop 76, and the other end is direct
Or supported on attachment base 71 indirectly, specifically, in the present embodiment, being also fixedly connected in the inner cavity of casing 30 or connecting hole 74
There is guide ring 77, bend pipe 72 is interspersed in the guide ring 77 and can slide relative to guide ring 77, and one end of reset spring 73 is logical
It crosses to support and be supported on attachment base 71 indirectly on guide ring 77.Reset spring 73 and internal projecting ring 75 are located at outer bulge loop 76
Two sides, bulge loop 76 outer in this way can be pressed on internal projecting ring 75 under the action of reset spring 73.In addition, internal projecting ring 75 is towards evagination
The side of ring 76 offers more than two locating slots 78, each locating slot 78 even cloth, evagination centered on the axis of connecting hole 74
The side of ring 76 towards internal projecting ring 75 is provided with the locating piece 79 being interspersed in one of locating slot 78, and certainly, power supply line is worn
It is inserted in the inner hole of bend pipe 72, in this way, the angle that power supply line is pierced by from casing 30 is dependent on the placement angle of bend pipe 72, adjusts
The angle that is pierced by of power supply line also changes correspondingly after the placement angle of whole bend pipe 72, specific adjustment mode are as follows: by 72 casing of bend pipe
30 interior cavity direction pressing compresses compression reseting spring 73, while locating piece 79 by the outer bulge loop 76 being arranged on bend pipe 72
Deviate from from matched locating slot 78, bend pipe 72 is then unclamped after swing bend pipe 72 to predetermined position, outer bulge loop 76 is multiple
It resets, is interspersed in another locating slot 78 again under the action of the spring 73 of position, complete adjustment process.
The utility model is described in detail above in conjunction with specific embodiment, but the embodiments of the present invention
It is not limited to the above embodiments, those skilled in the art can make various changes according to the prior art to the utility model
Shape, these are all within the protection scope of the present invention.
Claims (6)
1. a kind of hand-hold shearing unit of adjustable cutting angle, which is characterized in that including support plate, be rotatably connected on the branch
Rollover stand on fagging, the casing being rotatably connected on the rollover stand and it is arranged in the casing and is successively sequentially connected
Motor, transmission gear and transmission shaft, the transmission shaft is pierced by out of described casing, and is equipped with saw blade on the transmission shaft,
The strip hole for passing through for the saw blade, the rotation between the rollover stand and the support plate are offered in the support plate
Connecting shaft is arranged in parallel with the support plate and is arranged parallel with the saw blade, between the rollover stand and the casing
Rotation connection axis be mutually perpendicular to arrange with the saw blade, be fixedly connected or be connected in the support plate respectively with the branch
Vertically arranged first vertical plate of fagging and the second vertical plate are provided on the rollover stand described for the rollover stand to be locked at
The first locking device on first vertical plate is provided with for the casing to be locked on second vertical plate on the casing
Second locking device.
2. the hand-hold shearing unit of adjustable cutting angle as described in claim 1, which is characterized in that on first vertical plate
The first fixed arc groove is offered, the first adjustable arc slot, the described first fixed arc groove and institute are offered on the rollover stand
It states on the rotation connection axis that the arc center of the first adjustable arc slot is all located between the rollover stand and the casing, described
One locking device includes the first bolt being interspersed in the described first fixed arc groove and the first adjustable arc slot simultaneously, institute
State spiral on the first bolt and be connected with the first nut, and the nut of first bolt and first nut be located at it is described
The two sides of first vertical plate.
3. the hand-hold shearing unit of adjustable cutting angle as claimed in claim 2, which is characterized in that on first vertical plate
The first stationary positioned hole being connected to the described first fixed arc groove is offered, offers on the rollover stand and lives with described first
Dynamic arc groove connection and the first movable positioning hole with the cooperation of first stationary positioned hole.
4. the hand-hold shearing unit of adjustable cutting angle as claimed in claim 2, which is characterized in that first vertical plate exists
Angle index line is provided at the position by the first adjustable arc slot.
5. the hand-hold shearing unit of adjustable cutting angle as described in claim 1, which is characterized in that on second vertical plate
The second fixed arc groove is offered, offers the second adjustable arc slot on the casing, the described second fixed arc groove and described
The arc center of second adjustable arc slot is all located on the rotation connection axis between the casing and the rollover stand, and described second
Locking device includes the second bolt being interspersed in the described second fixed arc groove and the second adjustable arc slot simultaneously, described
Spiral is connected with the second nut on second bolt, and the nut of second bolt and second nut are located at described
The two sides of two vertical plates.
6. the hand-hold shearing unit of adjustable cutting angle as claimed in claim 5, which is characterized in that the casing is being located at
Angle index line is provided at position by described second fixed arc groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821670882.2U CN209021339U (en) | 2018-10-15 | 2018-10-15 | A kind of hand-hold shearing unit of adjustable cutting angle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821670882.2U CN209021339U (en) | 2018-10-15 | 2018-10-15 | A kind of hand-hold shearing unit of adjustable cutting angle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209021339U true CN209021339U (en) | 2019-06-25 |
Family
ID=66906340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821670882.2U Expired - Fee Related CN209021339U (en) | 2018-10-15 | 2018-10-15 | A kind of hand-hold shearing unit of adjustable cutting angle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209021339U (en) |
-
2018
- 2018-10-15 CN CN201821670882.2U patent/CN209021339U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 Termination date: 20211015 |
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CF01 | Termination of patent right due to non-payment of annual fee |