CN213439788U - Wool scissors - Google Patents
Wool scissors Download PDFInfo
- Publication number
- CN213439788U CN213439788U CN202022209130.XU CN202022209130U CN213439788U CN 213439788 U CN213439788 U CN 213439788U CN 202022209130 U CN202022209130 U CN 202022209130U CN 213439788 U CN213439788 U CN 213439788U
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- gear
- eccentric wheel
- shaft
- transmission
- wool
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- 210000002268 wool Anatomy 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 102
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000009467 reduction Effects 0.000 claims abstract description 30
- 230000000694 effects Effects 0.000 description 15
- 239000003638 chemical reducing agent Substances 0.000 description 10
- 238000010008 shearing Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 241000283707 Capra Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 210000000085 cashmere Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Abstract
The utility model discloses a wool scissors, aim at overcoming among the prior art structure compact inadequately, the less problem of output torque, it includes the casing, the fixed stationary blade that is provided with on the casing, it is provided with the moving blade to slide on the stationary blade, the transmission is connected with eccentric wheel mechanism on the moving blade, eccentric wheel mechanism can drive the moving blade and slide on the stationary blade, the transmission is connected with the motor on the eccentric wheel mechanism, the transmission is connected with second grade decelerator between eccentric wheel mechanism and the motor, second grade decelerator includes planetary gear mechanism and gear reduction mechanism, eccentric wheel mechanism, planetary gear mechanism, gear reduction mechanism and motor are in the same place in proper order the transmission link.
Description
Technical Field
The utility model belongs to veterinary machinery, in particular to a pair of wool scissors.
Background
The electric wool shears are electric tools used for trimming sheep, cashmere goats or fur-dense animals. The electric wool shears are internally provided with a motor, the rotation of the motor is regulated through a reduction gearbox, and the rotation output by the reduction gearbox is converted into reciprocating swing through an eccentric wheel mechanism and then is transmitted to the pressing claw of the electric wool shears. The upper blade of the electric wool shears is driven by the pressing claw to be matched with the fixed lower blade to do shearing movement, so that wool is sheared.
However, the prior art is not perfect, the design of the existing reduction gearbox is not reasonable enough, the problems of not compact structure and small output torque exist, the overall size of the product is overlarge, and the upper blade and the lower blade are easy to be blocked.
SUMMERY OF THE UTILITY MODEL
For overcoming the problems of the prior art, the utility model provides a pair of wool scissors with compact structure and good shearing effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a wool scissors, includes the casing, fixedly on the casing be provided with the stationary blade, it is provided with the moving blade to slide on the stationary blade, the transmission is connected with eccentric wheel mechanism on the moving blade, eccentric wheel mechanism can drive the moving blade and slide on the stationary blade, the transmission is connected with the motor on the eccentric wheel mechanism, the transmission is connected with second grade decelerator between eccentric wheel mechanism and the motor, second grade decelerator includes planetary gear mechanism and gear reduction mechanism, eccentric wheel mechanism, planetary gear mechanism, gear reduction mechanism and motor are in the same place in proper order the transmission link.
Preferably, the eccentric wheel mechanism comprises a main shaft, the main shaft is rotatably arranged on the machine shell, an eccentric wheel is fixedly arranged on the main shaft, a rocker is arranged on the eccentric wheel, the rocker is rotatably arranged on the machine shell, the movable blade is arranged on the rocker, and the eccentric wheel can drive the movable blade on the rocker to slide on the fixed blade; the planetary gear mechanism comprises a gear ring, the gear ring is fixedly arranged on the machine shell, a planet carrier is fixedly arranged on the main shaft, a plurality of planet gears are rotatably arranged on the planet carrier, the plurality of planet gears are meshed with the gear ring, and a sun gear is meshed with the plurality of planet gears; the gear reduction mechanism comprises a large gear, the large gear is connected to the sun gear in a transmission mode, a small gear is meshed with the large gear, the motor comprises a crankshaft, and the small gear is connected to the crankshaft in a transmission mode.
Preferably, the casing is rotatably provided with a transmission shaft, and the sun gear and the large gear are respectively and fixedly arranged on the transmission shaft.
Preferably, a bearing is arranged between the transmission shaft and the machine shell.
Preferably, a first shaft hole is formed in the casing, first countersunk grooves are formed in two ends of the first shaft hole, bearings are arranged in the first countersunk grooves at two ends of the first shaft hole, and the transmission shaft penetrates through the bearings.
Preferably, the machine shell comprises a machine head, an end cover and a machine body which are sequentially detachably arranged together, the planetary gear mechanism is arranged between the machine head and the end cover, the gear reduction mechanism is arranged between the end cover and the machine body, and the transmission shaft is rotatably arranged on the end cover.
Preferably, the machine head and the machine body are hollow shells, the planetary gear mechanism is arranged in the machine head, and the gear speed reducing mechanism is arranged in the machine body.
Preferably, the casing is provided with a second shaft hole, two ends of the second shaft hole are provided with second countersunk grooves, the main shaft is fixedly provided with a shaft shoulder, and the shaft shoulder and the planet carrier are respectively arranged in the second countersunk grooves at two ends of the second shaft hole.
Preferably, the rocker is provided with a sliding groove, the eccentric wheel is slidably arranged in the sliding groove, and the eccentric wheel can drive the movable blade on the rocker to slide on the fixed blade in a reciprocating manner.
Preferably, the eccentric wheel is sleeved with a rotatable shaft sleeve.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
(1) the two-stage speed reducer is connected between the eccentric wheel mechanism and the motor in a transmission mode, the motor is driven to the eccentric wheel mechanism through the two-stage speed reducer, large-torque and low-rotation-speed movement can be generated on the movable blade, the shearing effect between the movable blade and the fixed blade is improved, the problem that wool is difficult to shear and even the movable blade is clamped on the fixed blade is avoided, and therefore the wool shear has the advantages of being good in shearing effect and high in shearing efficiency.
(2) The second grade decelerator includes planetary gear mechanism and gear reduction mechanism, eccentric wheel mechanism, planetary gear mechanism, gear reduction mechanism and motor transmission in proper order link together, gear reduction mechanism, planetary gear mechanism plays the speed reduction to the power of motor output in proper order, the effect of improvement moment of torsion, gear reduction mechanism and planetary gear mechanism all adopt gear drive's mode, gear drive's structure is guaranteeing the function, intensity and life-span have under the condition small in construction size, do not skid, the steady advantage of operation, make second grade decelerator compact structure, consequently, this wool shear has compact structure, small and exquisite convenience and the little advantage of noise at work.
(3) The machine head and the end cover play a role in protecting the planetary gear mechanism, the end cover and the machine body play a role in protecting the gear reduction mechanism, the planetary gear mechanism and the gear reduction mechanism are prevented from being in direct contact with the outside, the machine head and the end cover can be disassembled and then maintained independently, the gear reduction mechanism can be maintained independently after the end cover and the machine body are disassembled, and therefore the wool shear has the advantages of being convenient to disassemble and assemble, convenient to maintain and reliable in work.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a schematic sectional structure of the present invention;
in the figure: 1-machine shell, 2-fixed blade, 3-movable blade, 4-eccentric wheel mechanism, 5-planetary gear mechanism, 6-transmission shaft, 7-gear speed reducing mechanism, 8-motor, 9-bearing, 11-machine head, 12-end cover, 13-machine body, 41-rocker, 42-shaft sleeve, 43-eccentric wheel, 44-main shaft, 51-planet carrier, 52-planet wheel, 53-gear ring, 54-sun wheel, 71-large gear, 72-small gear, 81-machine shaft, 111-first shell, 112-second shell, 113-second shaft hole, 114-second countersunk head groove, 121-first shaft hole, 122-first countersunk head groove, 131-third shell, 132-fourth shell, 411-chute, 431-shoulder.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in the figure, a pair of wool scissors comprises a casing 1, wherein a fixed blade 2 is fixedly arranged on the casing 1, the fixed blade 2 can be fixed at the front end of the casing 1 through bolts, a movable blade 3 is arranged on the fixed blade 2 in a sliding manner, the movable blade 3 slides, the movable blade 3 and the fixed blade 2 are opened and closed mutually, and wool can be cut off between the movable blade 3 and the fixed blade 2 when the pair of wool scissors is used.
The movable blade 3 is connected with the eccentric wheel 43 mechanism 4 in a transmission mode, the eccentric wheel 43 mechanism 4 is connected with the motor 8 in a transmission mode, the eccentric wheel 43 mechanism 4 is used for converting the rotation of the motor 8 into the sliding of the movable blade 3, and therefore the motor 8 drives the movable blade 3 to slide on the fixed blade 2 through the eccentric wheel 43 mechanism 4, the automation degree of the wool shear is improved, and the production efficiency is improved.
The eccentric wheel 43 mechanism 4 and the motor 8 are connected with a second-stage speed reducer in a transmission mode, the motor 8 transmits the motion to the eccentric wheel 43 mechanism 4 through the second-stage speed reducer, the motion with large torque and low rotating speed can be generated on the movable blade 3, the shearing effect between the movable blade 3 and the fixed blade 2 is improved, the problem that wool is difficult to shear and even the movable blade 3 is clamped on the fixed blade 2 is avoided, and therefore the wool shear has the advantages of being good in shearing effect and high in shearing efficiency.
The second-stage speed reducer comprises a planetary gear mechanism 5 and a gear speed reducer mechanism 7, an eccentric wheel 43 mechanism 4, the planetary gear mechanism 5, the gear speed reducer mechanism 7 and a motor 8 are sequentially connected in a transmission mode, the gear speed reducer mechanism 7 and the planetary gear mechanism 5 sequentially reduce the speed of power output by the motor 8 and improve torque, the gear speed reducer mechanism 7 and the planetary gear mechanism 5 are in a gear transmission mode, and the gear transmission structure has the advantages of being small in structure size, free of slipping and stable in operation under the conditions of ensuring functions, strength, service life and the like, so that the second-stage speed reducer is compact in structure, and the wool shear has the advantages of being compact in structure, small in size, convenient to use and low in working noise.
The eccentric wheel 43 mechanism 4 comprises a main shaft 44, the main shaft 44 is rotatably arranged on the machine shell 1, the main shaft 44 can rotate on the machine shell 1, an eccentric wheel 43 is fixedly arranged on the main shaft 44, the axis of the eccentric wheel 43 deviates from the axis of the main shaft 44, the main shaft 44 can drive the eccentric wheel 43 to do eccentric motion, a rocker 41 is arranged on the eccentric wheel 43, the rocker 41 is rotatably arranged on the machine shell 1, the eccentric wheel 43 can drive the rocker 41 to rotate on the machine shell 1, the movable blade 3 is arranged on the rocker 41, the movable blade 3 is particularly fixedly arranged on the rocker 41, and the rocker 41 can drive the movable blade 3 to slide on the fixed blade 2, so that the eccentric wheel 43 can drive the movable blade 3 on the rocker 41 to slide on the fixed blade.
The planetary gear mechanism 5 comprises a gear ring 53, the gear ring 53 is fixedly arranged on the machine shell 1, a planetary carrier 51 is fixedly arranged on the main shaft 44, a plurality of planetary gears 52 are rotatably arranged on the planetary carrier 51, the planetary gears 52 are respectively meshed with the gear ring 53, the planetary gears 52 surround to form an area, a sun gear 54 is arranged in the area formed by the planetary gears 52, and the sun gear 54 is meshed with the planetary gears 52. The power of the motor 8 is input from the sun gear 54 and output from the planet carrier 51 to the eccentric wheel 43 mechanism 4, the gear ring 53 is locked on the machine shell 1, and the rotating speed on the planet carrier 51 is less than that of the sun gear 54, so that the effects of reducing speed and improving torque are achieved.
The gear reduction mechanism 7 comprises a large gear 71, the large gear 71 is in transmission connection with the sun gear 54, a small gear 72 is meshed on the large gear 71, the motor 8 comprises a crankshaft 81, and the small gear 72 is in transmission connection with the crankshaft 81. The power of the motor 8 is input from the small gear 72 and output from the large gear 71 to the planetary gear mechanism 5, the transmission ratio of the large gear 71 and the small gear 72 is greater than 1, and the rotating speed of the small gear 72 is greater than that of the large gear 71, so that the effects of reducing speed and improving torque are achieved.
The pinion gear 72 is integrally formed on the crankshaft 81, so that the number of parts is reduced, and the production cost is reduced.
The transmission shaft 6 is rotatably arranged on the machine shell 1, the transmission shaft 6 can rotate on the machine shell 1, and the sun gear 54 and the large gear 71 are respectively fixedly arranged on the transmission shaft 6, so that the structure compactness is further improved.
The sun gear 54 is integrally formed on the transmission shaft 6, so that the number of parts is reduced, and the production cost is reduced.
Be provided with bearing 9 between transmission shaft 6 and the casing 1, bearing 9 plays the effect that reduces friction, has improved the smoothness nature of transmission shaft 6 pivoted on casing 1 and has avoided producing the noise.
The machine shell 1 comprises a machine head 11, an end cover 12 and a machine body 13, the machine head 11, the end cover 12 and the machine body 13 are sequentially detachably arranged together, the end cover 12 can be fixed on the machine head 11 through bolts, the machine body 13 can be fixed on the end cover 12 through bolts, a planetary gear mechanism 5 is arranged between the machine head 11 and the end cover 12, a gear speed reducing mechanism 7 is arranged between the end cover 12 and the machine body 13, and a transmission shaft 6 is rotatably arranged on the end cover 12.
Specifically, the first shaft hole 121 and the first countersunk groove 122 are both formed in the end cover 12, the planetary gear mechanism 5 and the gear reduction mechanism 7 are respectively located on two sides of the end cover 12, and the two bearings 9 are respectively located on two sides of the end cover 12, so that the bearings 9 can be conveniently detached.
In addition, the fixed blade 2, the movable blade 3 and the eccentric wheel 43 mechanism 4 are respectively arranged on the machine head 11, and the motor 8 is arranged on the machine body 13. Each part is installed respectively on fuselage 13, aircraft nose 11, and structural design is reasonable, can adopt many assembly lines or the part on a plurality of workman assembled aircraft nose 11 and the fuselage 13 respectively, has improved assembly efficiency.
The machine head 11 and the machine body 13 are both hollow shells, the planetary gear mechanism 5 is arranged in the machine head 11, the end cover 12 covers the planetary gear mechanism 5, the gear reduction mechanism 7 is arranged in the machine body 13, and the end cover 12 covers the gear reduction mechanism 7, so that the protection effect of the machine shell 1 on the planetary gear mechanism 5 and the gear reduction mechanism 7 is further improved.
In addition, the eccentric wheel 43 mechanism 4 is also arranged in the machine head 11, the machine head 11 also has a protection effect on the eccentric wheel 43 mechanism 4, the motor 8 is arranged in the machine body 13, and the machine body 13 also has a protection effect on the motor 8.
The machine head 11 comprises a first shell 111 and a second shell 112, the first shell 111 can be fixed on the second shell 112 through bolts, the first shell 111 and the second shell 112 are matched to form the machine head 11, and the eccentric 43 mechanism 4 is arranged between the first shell 111 and the second shell 112, so that the eccentric 43 mechanism 4 is convenient to assemble and disassemble in the machine head 11.
The body 13 comprises a third shell 131 and a fourth shell 132, the third shell 131 can be fixed on the fourth shell 132 through bolts, the third shell 131 and the fourth shell 132 are matched to form the body 13, and the motor 8 is fixedly arranged between the third shell 131 and the fourth shell 132, so that the motor 8 can be conveniently dismounted and mounted in the body 13.
A second shaft hole 113 is formed in the housing 1, the main shaft 44 penetrates through the second shaft hole 113, and the main shaft 44 is axially fixed in the second shaft hole 113. Two second countersunk grooves 114 are further formed in the machine shell 1, the second shaft hole 113 and the second countersunk grooves 114 are specifically formed in the second shell 112, the two second countersunk grooves 114 are respectively located at two ends of the second shaft hole 113, a shaft shoulder 431 is fixedly arranged on the main shaft 44, the shaft shoulder 431 is arranged in the second countersunk groove 114 at one end of the second shaft hole 113, and the planet carrier 51 is arranged in the second countersunk groove 114 at the other end of the second shaft hole 113, so that the main shaft 44 is axially fixed on the second shaft hole 113, and the axial shaking of the main shaft 44 is avoided.
The shoulder 431 can be fixed on the main shaft 44 by bolts, and the eccentric wheel 43 is integrally formed on the shoulder 431, thereby facilitating the assembly and disassembly of the main shaft 44 on the shell 1.
The rocker 41 is provided with a sliding groove 411, the eccentric wheel 43 is slidably arranged in the sliding groove 411, the eccentric wheel 43 keeps abutting against the rocker 41, and the eccentric wheel 43 can drive the movable blade 3 on the rocker 41 to slide on the fixed blade 2 in a reciprocating manner, so that the shearing efficiency is further improved.
The eccentric wheel 43 is sleeved with the rotatable shaft sleeve 42, the shaft sleeve 42 can rotate around the eccentric wheel 43, when the eccentric wheel 43 slides in the sliding groove 411, the shaft sleeve 42 rotates on the eccentric wheel 43, rolling friction is generated between the shaft sleeve 42 and the slot, friction is reduced, and the smoothness of movement is improved.
The integral structure of the shaft sleeve 42 is a sphere, the cross section of the sliding groove 411 is arc-shaped, and the shaft sleeve 42 is matched in the sliding groove 411, so that the smoothness of movement is further improved.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a wool scissors, including casing (1), fixed stationary blade (2) that is provided with on casing (1), it is provided with movable blade (3) to slide on stationary blade (2), it has eccentric wheel mechanism (4) to go up transmission connection on movable blade (3), eccentric wheel mechanism (4) can drive movable blade (3) and slide on stationary blade (2), transmission connection has motor (8) on eccentric wheel mechanism (4), a serial communication port, the transmission is connected with second grade decelerator between eccentric wheel mechanism (4) and motor (8), second grade decelerator includes planetary gear mechanism (5) and gear reduction mechanism (7), eccentric wheel mechanism (4), planetary gear mechanism (5), gear reduction mechanism (7) and motor (8) are in the same place in proper order the transmission connection.
2. A pair of wool shears according to claim 1, wherein the eccentric mechanism (4) comprises a main shaft (44), the main shaft (44) is rotatably arranged on the housing (1), an eccentric wheel (43) is fixedly arranged on the main shaft (44), a rocker (41) is arranged on the eccentric wheel (43), the rocker (41) is rotatably arranged on the housing (1), the movable blade (3) is arranged on the rocker (41), and the eccentric wheel (43) can drive the movable blade (3) on the rocker (41) to slide on the fixed blade (2); the planetary gear mechanism (5) comprises a gear ring (53), the gear ring (53) is fixedly arranged on the machine shell (1), a planet carrier (51) is fixedly arranged on the main shaft (44), a plurality of planet gears (52) are rotatably arranged on the planet carrier (51), the plurality of planet gears (52) are meshed with the gear ring (53), and a sun gear (54) is meshed with the plurality of planet gears (52); the gear reduction mechanism (7) comprises a large gear (71), the large gear (71) is connected to the sun gear (54) in a transmission mode, a small gear (72) is meshed on the large gear (71), the motor (8) comprises a crankshaft (81), and the small gear (72) is connected to the crankshaft (81) in a transmission mode.
3. A pair of wool shears according to claim 2, wherein the housing (1) is rotatably provided with a transmission shaft (6), and the sun gear (54) and the large gear (71) are respectively fixedly arranged on the transmission shaft (6).
4. A pair of wool shears according to claim 3, wherein a bearing (9) is provided between the drive shaft (6) and the housing (1).
5. A pair of wool shears according to claim 4, wherein the housing (1) is provided with a first shaft hole (121), the two ends of the first shaft hole (121) are provided with first countersunk grooves (122), the first countersunk grooves (122) at the two ends of the first shaft hole (121) are provided with bearings (9), and the transmission shaft (6) penetrates through the bearings (9).
6. A pair of wool shears according to any one of claims 3 to 5, wherein the housing (1) comprises a machine head (11), an end cover (12) and a machine body (13) which are sequentially and detachably arranged together, the planetary gear mechanism (5) is arranged between the machine head (11) and the end cover (12), the gear reduction mechanism (7) is arranged between the end cover (12) and the machine body (13), and the transmission shaft (6) is rotatably arranged on the end cover (12).
7. A pair of wool shears according to claim 6, wherein the nose (11) and the body (13) are hollow shells, the planetary gear mechanism (5) is arranged in the nose (11), and the gear reduction mechanism (7) is arranged in the body (13).
8. A pair of wool shears according to claim 2, wherein the housing (1) is provided with a second shaft hole (113), two ends of the second shaft hole (113) are provided with second countersunk grooves (114), the main shaft (44) is fixedly provided with a shaft shoulder (431), and the shaft shoulder (431) and the planet carrier (51) are respectively arranged in the second countersunk grooves (114) at two ends of the second shaft hole (113).
9. A pair of wool shears according to claim 2, wherein the rocking bar (41) is provided with a sliding groove (411), the eccentric wheel (43) is slidably arranged in the sliding groove (411), and the eccentric wheel (43) can drive the movable blade (3) on the rocking bar (41) to slide on the fixed blade (2) in a reciprocating manner.
10. A pair of wool shears according to claim 9, wherein the eccentric (43) is provided with a rotatable bushing (42).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022209130.XU CN213439788U (en) | 2020-09-30 | 2020-09-30 | Wool scissors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022209130.XU CN213439788U (en) | 2020-09-30 | 2020-09-30 | Wool scissors |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213439788U true CN213439788U (en) | 2021-06-15 |
Family
ID=76287958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022209130.XU Expired - Fee Related CN213439788U (en) | 2020-09-30 | 2020-09-30 | Wool scissors |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213439788U (en) |
-
2020
- 2020-09-30 CN CN202022209130.XU patent/CN213439788U/en not_active Expired - Fee Related
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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: 20210615 |
|
CF01 | Termination of patent right due to non-payment of annual fee |