CN205511051U - Adopt ball screw transmission structure's electric scissors - Google Patents
Adopt ball screw transmission structure's electric scissors Download PDFInfo
- Publication number
- CN205511051U CN205511051U CN201620256346.2U CN201620256346U CN205511051U CN 205511051 U CN205511051 U CN 205511051U CN 201620256346 U CN201620256346 U CN 201620256346U CN 205511051 U CN205511051 U CN 205511051U
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- China
- Prior art keywords
- screw
- nut
- alloy casing
- push rod
- screw mandrel
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Abstract
The utility model discloses an adopt ball screw transmission structure's electric scissors, including the blade subassembly, the aluminum alloy casing, reducing gear box push rod part and screw -nut subassembly, blade subassembly upper slitter piece and bottom knife, the front end at the aluminum alloy casing is fixed through first screw and first pin to the bottom knife, the lower extreme of aluminum alloy casing is provided with the switch, the inside of aluminum alloy casing is equipped with interior lining pipe, reducing gear box push rod fitting up is in the rear end of aluminum alloy casing, the screw -nut unit mount is at the front position of reducing gear box push rod part, brushless motor is installed to the rear end of screw -nut subassembly. The utility model discloses the precision is high, the rigidity is high, efficient, the noise is low, can realize high -speed feeding, including the radial pressure of lead screw is restricted in the lining pipe, forms slide steering by sliding sleeve and interior lining pipe, makes the lead screw in working process disalignment not to reduce the radial pressure of lead screw, guaranteed the long -term steady job of mechanical transmission structure, improve life.
Description
Technical field
This utility model relates to a kind of mechanical transmission structure, a kind of electric shear using ball leading screw driving structure.
Background technology
In garden operation, electric shear is typically used to pollard, to keep the fine profile of trees, shrub, this type of
Electric shear generally comprises a top cutter and a bottom knife, and top cutter is connected with motor by an actuating device, lower cutter
Sheet is arranged in the aluminium alloy casing of shears, and in the operating process of shears, bottom knife remains stationary as, and motor is tied by transmission
Structure drives top cutter to do reciprocally swinging, is cut off by object by the shearing force produced between two blades.
At present, on market electric shear screw mandrel promote blade do prune motion be two connecting plate types, by connecting plate
Hole, one end and nut connect, and the other end and blade connect, and reach the effect of transmission.And nut when stress, radial pressure is relatively
Greatly, when pruning the most harder branch, owing to nut and screw mandrel are that concentric is so radial pressure can be transmitted to screw mandrel by nut
On, thus affect the service life of screw mandrel, reduce and prune efficiency.
Utility model content
The purpose of this utility model is to provide a kind of high rigidity, the driven shearing of high efficiency employing ball leading screw driving structure
Cutter, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of electric shear using ball leading screw driving structure, including blade assembly, aluminium alloy casing, reduction box push rod portion
Part and feed screw nut's assembly, described blade assembly top cutter and bottom knife, described bottom knife passes through the first screw and the first pin
Being fixed on the front end of aluminium alloy casing, described top cutter is connected on bottom knife by locking gear and lock screw, described lock
The outside of tight gear is provided with anti-rotation locking plate, and anti-rotation locking plate is fixed on bottom knife by the second screw, described aluminium alloy casing
Lower end be provided with switch, the inside of described aluminium alloy casing is provided with liner sleeve pipe, and reduction box putter component is arranged on aluminium alloy
The rear end of casing, described feed screw nut's assembly is arranged on the front position of reduction box putter component, described feed screw nut's assembly
Rear end is provided with brushless electric machine, and the outside of reduction box putter component is also equipped with sheath body and lower sheath body；Described reduction box push rod
The front end of parts is provided with push rod, and the front end of push rod is connected with top cutter by the second pin and jump ring, one end of the big sphere of push rod
Being provided with sliding sleeve, described feed screw nut's assembly includes screw mandrel, feed screw nut and planetary gear carrier, and the rear end of described push rod leads to
Cross the 3rd screw to be fixed on feed screw nut, described feed screw nut is fixed with two magnetic receivers, described magnetic by self-tapping screw
Be provided with Magnet in ferrum seat, the front end of described screw mandrel through being arranged on the inside of push rod after feed screw nut, screw mandrel and feed screw nut it
Between be provided with diverter and ball, the rear end of described screw mandrel sequentially passes through thrust ball bearing and deep groove ball bearing, described deep-groove ball axle
Holding and be fixed in spline set, the hexagonal of described planetary gear carrier front end is assembled to screw mandrel after partially passing through needle roller thrust bearing
In tail end hexagon ring, and the rear end of described planetary gear carrier is fixed by countersunk head screw, and the rear end of described aluminium alloy casing leads to
Crossing fixing nut connection has reduction box, the rear end of aluminium alloy casing to be provided with screw thread and spline groove, and the front end of described spline set is provided with
Screw mandrel, the screw mandrel that described spline groove puts with spline coordinates, and the other end of spline set connects the internal tooth of reduction box and by locking
Nut is fixed.
As the further scheme of the present invention: the electric shear of described employing ball leading screw driving structure include movable wire rod type and
Dynamic nut form.
As further program of the utility model: described diverter is cylinder convex key diverter or oblate insert diverter.
As further program of the utility model: the lower end of described aluminium alloy casing is provided with switch.
As this utility model further scheme: the rear end of described aluminium alloy casing connects reduction box by fixing nut.
Compared with prior art, the beneficial effects of the utility model are:
This utility model precision is high, rigidity is high, efficiency is high, noise is low, it is possible to achieve high speed feed, and drive mechanism uses rolling
Ballscrew, is the linear motion of feed screw nut by the convert rotational motion of screw mandrel, and this drive mechanism promotes at ball screw device
When push rod and top cutter pollard, the radial pressure of screw mandrel is limited in liner sleeve pipe, sliding sleeve and neck bush pipe are formed
Slide-and-guide, makes screw mandrel in work process without departing from axle center, thus reduces the radial pressure of screw mandrel, it is ensured that machine driving is tied
The work steady in a long-term of structure, improves service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sectional view of the present utility model.
Fig. 3 is the explosive view of reduction box putter component in this utility model.
Fig. 4 is this utility model view in use.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Refer to Fig. 1-4, a kind of electric shear using ball leading screw driving structure, including blade assembly, aluminium alloy casing 2,
Reduction box putter component 4 and feed screw nut's assembly, described blade assembly top cutter 1 and bottom knife 33, described bottom knife 33
Be fixed on the front end of aluminium alloy casing 2 by the first screw 3 and the first pin 6, described top cutter 1 is by locking gear 34
Being connected on bottom knife 33 with lock screw 35, the outside of described locking gear 34 is provided with anti-rotation locking plate 36, anti-twist lock
Sheet 36 is fixed on bottom knife 33, so that top cutter 1 activity uses locking freely and for a long time by the second screw 37
Gear 34 will not loose or dislocation, it is ensured that the reliable and stable operation of machine, the lower end of described aluminium alloy casing 2 is provided with out
Closing 7, described switch 7 is used for controlling shears pruning work, and the inside of described aluminium alloy casing 2 is provided with liner sleeve pipe 14, subtracts
Speed case putter component 4 is arranged on the rear end of aluminium alloy casing 2, and described feed screw nut's assembly is arranged on reduction box putter component 4
Front position, the rear end of described feed screw nut's assembly is provided with brushless electric machine 10, and the outside of reduction box putter component 4 is also pacified
Equipped with upper sheath body 5 and lower sheath body 9；The front end of described reduction box putter component 4 is provided with push rod 13, and the front end of push rod 13 leads to
Crossing the second pin 8 and jump ring 12 is connected with top cutter 1, one end of the big sphere of push rod 13 is provided with sliding sleeve 16, liner sleeve pipe
The sliding sleeve 16 of the spherical outside surface position suit of the inwall of 14 and push rod 13 has certain interval thus forms guiding sliding function, sliding sleeve
16 and push rod 13 for mating spherical surfaces can all directions rotate and swing, the cylindrical of sliding sleeve 16 and aluminium alloy casing 14 inner hole,
At aluminium alloy casing 14 endoporus slide anteroposterior, and operationally reduction box and feed screw nut 18 can be kept not to deviate by axle center,
Described feed screw nut's assembly includes screw mandrel 15, feed screw nut 18 and planetary gear carrier 24, and the rear end of described push rod 13 leads to
Cross the 3rd screw 26 to be fixed on feed screw nut 18, described feed screw nut 18 presses assigned direction by self-tapping screw 30 solid
Surely having two magnetic receivers 17, be provided with Magnet 27 in described magnetic receiver 17, the front end of described screw mandrel 15 passes feed screw nut 18
After be arranged on the inside of push rod 13, be provided with diverter 28 and ball 29, diverter between screw mandrel 15 and feed screw nut 18
28 circulations realizing ball 29, the rear end of described screw mandrel 15 sequentially passes through thrust ball bearing 19 and deep groove ball bearing 21, institute
Stating deep groove ball bearing 21 to be fixed in spline set 22, the hexagonal of described planetary gear carrier 24 front end partially passes through thrust rolling
It is assembled to after needle bearing 23 in the tail end hexagon ring of screw mandrel 15, and the rear end of described planetary gear carrier 24 is by countersunk head spiral shell
Silk 31 is fixed, and the rear end of described aluminium alloy casing 14 is connected by fixing nut 20 reduction box 25, aluminium alloy casing 14
Rear end be provided with screw thread and spline groove, the front end of described spline set 22 is provided with screw mandrel, described spline groove with on spline set 22
Screw mandrel coordinates, and the other end of spline set 22 is connected the internal tooth of reduction box 25 and fixed by locking nut 32.
Described diverter 28 is cylinder convex key diverter or oblate insert diverter.
When described diverter 28 is cylinder convex key diverter, the column part of diverter 28 embeds in feed screw nut 18, changes
Having opposing slot to the end of device 28, opposing slot is positioned by the round key of cylinder periphery and upper end thereof, to ensure alignment spiral shell
Stricture of vagina raceway direction.
The electric shear of described employing ball leading screw driving structure includes movable wire rod type and dynamic nut form, described diverter 28
During for oblate insert diverter, diverter 28 is general (customization) round end flat key insert, and insert embeds feed screw nut's 18
In grooving, the end of diverter 28 has opposing slot, and opposing slot is positioned by the outline of insert.
The electric shear of described employing ball leading screw driving structure in use, as power section, open by brushless electric machine 10
After switch 7 switches on power, brushless electric machine 10 rotates, owing to feed screw nut 18 passes through by driving screw mandrel 15 after reduction box
Push rod 13 is fixed on top cutter 1, controls rotating and reverse of brushless electric machine 10 and realizes driving before and after feed screw nut 18
Mobile, feed screw nut 18 drives push rod 13 to move forward and backward, and push rod 13 drives top cutter 1 to do shear action, due to push rod
The sliding sleeve 16 arranged outside 13 and aluminium alloy casing 14 inwall form slide-and-guide, so driving push rod feed screw nut 18
13 is linear motion when moving back and forth, and push rod 13 drives top cutter 1 to revolve along doing with lock screw 35 for axle center with its action
Rotation as time be movement in a curve；The sphere junction of feed screw nut 18 and push rod 13 can swing with all directions, so pushing away
The requirement of position each position pendulum angle of difference self adaptation that bar 13 can connect according to two ends, and feed screw nut 18 and pushing away
The sphere junction of bar 13 is provided with sliding sleeve 16, and sliding sleeve 16 can be all the time by the sphere junction of feed screw nut 18 and push rod 13
It is maintained at same axle center, makes screw mandrel 15 not affected, such that it is able to keep long-term by radial pressure produced in work
At high speed, high efficiency stable operation.
This utility model precision is high, rigidity is high, efficiency is high, noise is low, it is possible to achieve high speed feed, and drive mechanism uses rolling
Ballscrew, by the linear motion that convert rotational motion is feed screw nut 18 of screw mandrel 15, this drive mechanism fills at ball screw
When putting promotion push rod 13 and top cutter 3 pollard, the radial pressure of screw mandrel 15 is limited in liner sleeve pipe 14, by
Sliding sleeve 16 and liner sleeve pipe 14 form slide-and-guide, make screw mandrel 15 in work process without departing from axle center, thus reduce screw mandrel
The radial pressure of 15, it is ensured that the work steady in a long-term of mechanical transmission structure, improves service life.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment,
In the ken that those of ordinary skill in the art is possessed, it is also possible to make each on the premise of without departing from this patent objective
Plant change.
Claims (5)
1. the electric shear using ball leading screw driving structure, it is characterised in that include blade assembly, aluminium alloy casing,
Reduction box putter component and feed screw nut's assembly, described blade assembly top cutter and bottom knife, described bottom knife passes through the first spiral shell
Silk and the first pin are fixed on the front end of aluminium alloy casing, and described top cutter is connected to lower cutter by locking gear and lock screw
On sheet, the outside of described locking gear is provided with anti-rotation locking plate, and anti-rotation locking plate is fixed on bottom knife by the second screw, institute
The inside stating aluminium alloy casing is provided with liner sleeve pipe, and reduction box putter component is arranged on the rear end of aluminium alloy casing, described screw mandrel
Nut assembly is arranged on the front position of reduction box putter component, and the rear end of described feed screw nut's assembly is provided with brushless electric machine,
The outside of reduction box putter component is also equipped with sheath body and lower sheath body；The front end of described reduction box putter component is provided with push rod,
The front end of push rod is connected with top cutter by the second pin and jump ring, and one end of the big sphere of push rod is provided with sliding sleeve, described screw mandrel
Nut assembly includes that screw mandrel, feed screw nut and planetary gear carrier, the rear end of described push rod are fixed on screw mandrel by the 3rd screw
On nut, described feed screw nut is fixed with two magnetic receivers by self-tapping screw, in described magnetic receiver, is provided with Magnet, described
The front end of screw mandrel is arranged on the inside of push rod after passing feed screw nut, be provided with diverter and ball between screw mandrel and feed screw nut,
The rear end of described screw mandrel sequentially passes through thrust ball bearing and deep groove ball bearing, and described deep groove ball bearing is fixed in spline set, institute
State after the hexagonal of planetary gear carrier front end partially passes through needle roller thrust bearing and be assembled in the tail end hexagon ring of screw mandrel, and described
The rear end of planetary gear carrier is fixed by countersunk head screw, and the rear end of described aluminium alloy casing is provided with screw thread and spline groove, described
The front end of spline set is provided with screw mandrel, and the screw mandrel that described spline groove puts with spline coordinates, and the other end of spline set connects reduction box
Internal tooth and fixed by locking nut.
2. according to the electric shear using ball leading screw driving structure described in claim 1, it is characterised in that described employing is rolled
The electric shear of ballscrew drive mechanism includes movable wire rod type and dynamic nut form.
The electric shear of employing ball leading screw driving structure the most according to claim 1, it is characterised in that described commutation
Device is cylinder convex key diverter or oblate insert diverter.
The electric shear of employing ball leading screw driving structure the most according to claim 1, it is characterised in that described aluminum closes
The lower end of JINJI shell is provided with switch.
The electric shear of employing ball leading screw driving structure the most according to claim 1, it is characterised in that described aluminum closes
The rear end of JINJI shell connects reduction box by fixing nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256346.2U CN205511051U (en) | 2016-03-31 | 2016-03-31 | Adopt ball screw transmission structure's electric scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256346.2U CN205511051U (en) | 2016-03-31 | 2016-03-31 | Adopt ball screw transmission structure's electric scissors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205511051U true CN205511051U (en) | 2016-08-31 |
Family
ID=56786768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620256346.2U Ceased CN205511051U (en) | 2016-03-31 | 2016-03-31 | Adopt ball screw transmission structure's electric scissors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205511051U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106305166A (en) * | 2016-10-21 | 2017-01-11 | 方培锵 | Low-branch scissors |
| WO2018205126A1 (en) * | 2017-05-09 | 2018-11-15 | Tti (Macao Commercial Offshore) Limited | A power tool and a driving mechanism for use in a power tool |
| CN114654484A (en) * | 2022-02-28 | 2022-06-24 | 哈尔滨工业大学 | Scissors instrument suitable for big difference in temperature and cut-out design of preventing escaping |
-
2016
- 2016-03-31 CN CN201620256346.2U patent/CN205511051U/en not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106305166A (en) * | 2016-10-21 | 2017-01-11 | 方培锵 | Low-branch scissors |
| WO2018205126A1 (en) * | 2017-05-09 | 2018-11-15 | Tti (Macao Commercial Offshore) Limited | A power tool and a driving mechanism for use in a power tool |
| US11272670B2 (en) | 2017-05-09 | 2022-03-15 | Techtronic Cordless Gp | Power tool and a driving mechanism for use in a power tool |
| CN114654484A (en) * | 2022-02-28 | 2022-06-24 | 哈尔滨工业大学 | Scissors instrument suitable for big difference in temperature and cut-out design of preventing escaping |
| CN114654484B (en) * | 2022-02-28 | 2024-03-29 | 哈尔滨工业大学 | Scissors tool suitable for design of big difference in temperature and cut anti-escape |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Bao Zhongdai Document name: Notification of Oral Hearing for Request for Invalidation |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Bao Zhongdai Document name: Decision of the request for invalidation |
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| DD01 | Delivery of document by public notice | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20180929 Decision number of declaring invalidation: 37185 Granted publication date: 20160831 |
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| IW01 | Full invalidation of patent right |