CN213960786U - Cutter driving structure with clutch - Google Patents
Cutter driving structure with clutch Download PDFInfo
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- CN213960786U CN213960786U CN202022842033.4U CN202022842033U CN213960786U CN 213960786 U CN213960786 U CN 213960786U CN 202022842033 U CN202022842033 U CN 202022842033U CN 213960786 U CN213960786 U CN 213960786U
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- clutch
- bevel gear
- cutting knife
- driving
- driving shaft
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Abstract
The utility model discloses a cutter driving structure with clutch, which comprises a clutch component, an eccentric arm component and a driving disc, wherein the clutch component comprises a driving shaft, a clutch handle component, a clutch bevel gear, a transmission shaft, a transmission bevel gear and a clutch claw; the eccentric arm component is fixedly sleeved at the lower part of the transmission shaft, and a shifting lever of the eccentric arm component is vertically inserted into a strip-shaped groove extending front and back in the driving disc; the cutter comprises a fixed cutting knife and a movable cutting knife, and the driving disc is fixedly connected with the movable cutting knife and can move left and right to cut under the stirring of the eccentric arm component and the limitation of the blade pressing device. The eccentric arm component is combined with the driving disc to drive the movable cutting knife to move left and right, the knife pressing device is additionally arranged to ensure that the movable cutting knife can only move left and right, and the clutch component is additionally arranged to realize clutch driving.
Description
Technical Field
The utility model relates to an agricultural mechanical transmission technical field especially relates to a cutterbar drive structure of area separation and reunion.
Background
In agricultural machines (such as windrowers), the operation of the cutter needs to be stopped before the machine is used or when the machine is running on the road surface, in order to save energy and avoid unnecessary noise; or when the machine fails during use, the operation of the cutter needs to be stopped, so that the cutter needs to be provided with a clutch driving structure.
The traditional cutter (also called as a movable cutting knife assembly) is mainly driven by a universal joint, the universal joint is longer, the rotating radius is larger, the occupied space is larger, and the universal joint can damage crops in the rotating and swinging process and is easy to wind to cause faults.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a take clutching function's cutterbar drive structure is exclusively used in agricultural machine, compact structure, occupation space are little, the dependable performance.
Therefore, the utility model discloses the technical scheme who adopts does: a cutter driving structure with a clutch comprises a clutch assembly, an eccentric arm assembly and a driving disc, wherein the clutch assembly comprises a driving shaft, a clutch handle assembly, a clutch bevel gear, a transmission shaft, a transmission bevel gear and clutch claws, the transmission shaft is vertically arranged, the transmission bevel gear is fixedly sleeved on the upper part of the transmission shaft, the driving shaft is horizontally arranged, the clutch bevel gear is rotatably sleeved at the front end of the driving shaft and is meshed with the transmission bevel gear, and the clutch claws are sleeved on the driving shaft through keys and can move along the axis of the driving shaft under the action of the clutch handle assembly, so that the clutch claws and the clutch bevel gear are close to each other and clamped tightly to drive the transmission bevel gear to rotate, or the clutch claws and the clutch bevel gear are separated to enable the transmission bevel gear;
the eccentric arm assembly is fixedly sleeved at the lower part of the transmission shaft, and a shifting rod of the eccentric arm assembly is vertically inserted into a strip-shaped groove extending forwards and backwards in the driving disc; the cutter comprises a fixed cutting knife and a movable cutting knife, the fixed cutting knife is fixedly arranged on the main frame, the movable cutting knife is attached to the upper portion of the fixed cutting knife and can only move left and right under the limitation of the blade pressing device, and the driving disc is fixedly connected with the movable cutting knife and can move left and right under the stirring of the eccentric arm assembly and the limitation of the blade pressing device to cut.
Preferably, the clutch claw is provided with an internal spline, and the driving shaft is provided with an external spline matched with the internal spline, so that the key installation of the clutch claw on the driving shaft is realized.
Preferably, at least two first convex claws which are uniformly distributed in the circumferential direction are arranged on one side wall of the clutch bevel gear, which is close to the clutch claws, second convex claws which correspond to the first convex claws one to one are arranged on the clutch claws, and when the clutch claws and the clutch bevel gear are closed and clamped, the clutch bevel gear drives the transmission shaft to rotate along with the driving shaft through the transmission bevel gear.
Preferably, the clutch bevel gear is rotatably sleeved on the polished rod of the driving shaft through a round hole.
Preferably, the number of the blade pressing devices is two, the blade pressing devices are arranged at intervals from left to right, the rear ends of the blade pressing devices are fixed on the main frame, the front ends of the blade pressing devices pass over the upper portion of the driven cutting knife and extend downwards to form a front limit position, and the driven cutting knife can only move left and right under the limit of the blade pressing devices.
Preferably, the driving disc is a sheet metal part with a narrow rear end and a wide front end, and the two heightening strips are arranged above the driving disc along the left side and the right side of the strip-shaped groove respectively. The driving disc adopts a sheet metal part, so that the weight is reduced and the cost is saved; the rear end of the sheet metal part is narrow, and the front end of the sheet metal part is wide, so that the mounting points of the front end and the movable cutting knife are increased, and the firm connection of the front end and the movable cutting knife is ensured; through addding the strip of increasing height, can ensure that the driving-disc is inserted to the driving-disc sufficient degree of depth, further ensure that the driving-disc motion is steady reliable, can not appear rocking.
The utility model has the advantages that: the eccentric arm component is combined with the driving disc to drive the movable cutting knife to move left and right, the knife pressing device is additionally arranged to ensure that the movable cutting knife can only move left and right, and the clutch component is additionally arranged to realize clutch driving. The whole structure is compact, the occupied space is small, the design is novel, and the conception is ingenious.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the clutch assembly and the eccentric arm assembly in the utility model.
Fig. 3 is an exploded view of the components on the drive shaft.
FIG. 4 is a top view of the eccentric arm assembly, drive disk and cutter.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
referring to fig. 1-4, a driving structure of a cutter with clutch mainly comprises a clutch assembly a, an eccentric arm assembly 6, a driving disc 7 and a cutter.
The clutch component A mainly comprises a driving shaft 1, a clutch handle component 2, a clutch bevel gear 3, a transmission shaft 4, a transmission bevel gear 5 and a clutch claw 12.
The transmission shaft 4 is vertically arranged, and the transmission bevel gear 5 is fixedly sleeved on the upper part of the transmission shaft 4.
The driving shaft 1 is horizontally arranged, and the axis of the driving shaft 1 extends forwards and backwards. The clutch bevel gear 3 is rotatably sleeved at the front end of the driving shaft 1 and is meshed with the transmission bevel gear 5. The clutch claw 12 is sleeved on the driving shaft 1 through a key and can move along the axis of the driving shaft 1 under the action of the clutch handle assembly 2, so that the clutch claw 12 and the clutch bevel gear 3 are close to each other and clamped to drive the transmission bevel gear 5 to rotate, or the clutch claw 12 and the clutch bevel gear 3 are separated to make the transmission bevel gear 5 still. The clutch handle assembly 2 is driven by a pull cord (not shown).
The fixed suit of eccentric arm subassembly 6 is in the lower part of transmission shaft 4, and the below of eccentric arm subassembly 6 is provided with driving lever 6a, is provided with the bar groove 7a that extends around in the driving-disc 7, and the vertical bar groove 7a that inserts driving-disc 7 of driving-disc 6a drives driving-disc 7 through driving lever 6a and rotates.
The cutter mainly comprises a fixed cutter 8 and a movable cutter 9, and is a common part on agricultural machinery (such as a swather). The fixed cutter 8 is fixedly arranged on the main frame 10, and the movable cutter 9 is attached and arranged above the fixed cutter 8. The movable cutting knife 9 can only move left and right under the limitation of the blade pressing device 11, the driving disk 7 is fixedly connected with the movable cutting knife 9 and can move left and right under the stirring of the eccentric arm component 6 and the limitation of the blade pressing device 11, and the movable cutting knife 9 moves left and right relative to the fixed cutting knife 8, so that the cutting is carried out.
Preferably, the clutch pawl 12 is provided with an internal spline, and the driving shaft 1 is provided with an external spline matched with the internal spline, so that the key installation of the clutch pawl 12 on the driving shaft 1 is realized. Of course, a flat key connection may also be used.
Two first convex claws 3a which are uniformly distributed in the circumferential direction are arranged on one side wall of the clutch bevel gear 3 close to the clutch claw 12, and second convex claws 12a which are in one-to-one correspondence with the first convex claws 3a are arranged on the clutch claw 12. When the clutch claw 12 and the clutch bevel gear 3 are close to each other and are clamped, the clutch bevel gear 3 drives the transmission shaft 4 to rotate along with the driving shaft 1 through the transmission bevel gear 5. The number of the first claws 3a is not limited to two, but is preferably two.
The clutch bevel gear 3 is rotatably sleeved on the polished rod of the driving shaft 1 through a round hole, and the clutch bevel gear 3 can rotate on the driving shaft 1 but cannot axially move.
Preferably, the number of the blade presser 11 is two, and the blade presser is provided at a left-right interval. The rear end of the blade pressing device 11 is fixed on the main frame 10, and the front end of the blade pressing device 11 passes over the upper part of the movable cutting knife 9 and extends downwards to form a front limit 11a, so that the movable cutting knife 9 is limited from the front side and the rear side, and the movable cutting knife 9 can only move left and right under the limit of the blade pressing device 11.
Preferably, the driving disc 7 is a sheet metal part with a narrow rear end and a wide front end, and the heightening strips 13 are respectively arranged above the driving disc 7 along the left side and the right side of the strip-shaped groove 7a so as to increase the insertion depth of the shift lever 6a and ensure the stable left-right movement of the driving disc 7.
Claims (6)
1. The utility model provides a take cutterbar drive structure of separation and reunion which characterized in that: the clutch mechanism comprises a clutch assembly (A), an eccentric arm assembly (6) and a driving disc (7), wherein the clutch assembly comprises a driving shaft (1), a clutch handle assembly (2), a clutch bevel gear (3), a transmission shaft (4), a transmission bevel gear (5) and clutch claws (12), the transmission shaft (4) is vertically arranged, the transmission bevel gear (5) is fixedly sleeved on the upper portion of the transmission shaft (4), the driving shaft (1) is horizontally arranged, the clutch bevel gear (3) is rotatably sleeved at the front end of the driving shaft (1) and meshed with the transmission bevel gear (5), the clutch claws (12) are sleeved on the driving shaft (1) through keys and can move along the axis of the driving shaft (1) under the action of the clutch handle assembly (2), so that the clutch claws (12) and the clutch bevel gear (3) are close to clamp and then drive the transmission bevel gear (5) to rotate, or the clutch claws (12) and the clutch bevel gear (3) are separated and then make the transmission bevel gear (5) static The operation is not carried out;
the eccentric arm assembly (6) is fixedly sleeved at the lower part of the transmission shaft (4), and a shifting rod (6a) of the eccentric arm assembly (6) is vertically inserted into a strip-shaped groove (7a) extending back and forth in the driving disc (7); the cutter comprises a fixed cutting knife (8) and a movable cutting knife (9), the fixed cutting knife (8) is fixedly installed on a main frame (10), the movable cutting knife (9) is installed above the fixed cutting knife (8) in a fitting mode and can only move left and right under the limitation of a knife presser (11), and the driving disc (7) is fixedly connected with the movable cutting knife (9) and can move left and right under the stirring of the eccentric arm assembly (6) and the limitation of the knife presser (11) to cut.
2. The clutched cutter drive structure of claim 1, wherein: the clutch claw (12) is provided with an internal spline, and the driving shaft (1) is provided with an external spline matched with the internal spline, so that the key installation of the clutch claw (12) on the driving shaft (1) is realized.
3. The clutched cutter driving structure as claimed in claim 1 or 2, wherein: the clutch bevel gear (3) is provided with two first convex claws (3a) which are uniformly distributed on the circumference at least on the side wall close to the clutch claw (12), the clutch claw (12) is provided with second convex claws (12a) which are in one-to-one correspondence with the first convex claws (3a), and when the clutch claw (12) and the clutch bevel gear (3) are closed and clamped, the clutch bevel gear (3) drives the transmission shaft (4) to rotate along with the driving shaft (1) through the transmission bevel gear (5).
4. The clutched cutter drive structure of claim 1, wherein: the clutch bevel gear (3) is rotatably sleeved on the polished rod of the driving shaft (1) through a round hole.
5. The clutched cutter drive structure of claim 1, wherein: the cutting edge pressing device comprises two cutting edge pressing devices (11) which are arranged at intervals from left to right, the rear ends of the cutting edge pressing devices (11) are fixed on a main frame (10), the front ends of the cutting edge pressing devices (11) pass over the upper portion of a driven cutting knife (9) and extend downwards to form a front limit position (11a), and the driven cutting knife (9) can only move left and right under the limit of the cutting edge pressing devices (11).
6. The clutched cutter drive structure of claim 1, wherein: the driving disc (7) is a sheet metal part with a narrow rear end and a wide front end, and a heightening strip (13) is arranged above the driving disc (7) along the left side and the right side of the strip-shaped groove (7 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022842033.4U CN213960786U (en) | 2020-11-30 | 2020-11-30 | Cutter driving structure with clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022842033.4U CN213960786U (en) | 2020-11-30 | 2020-11-30 | Cutter driving structure with clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213960786U true CN213960786U (en) | 2021-08-17 |
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ID=77238984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022842033.4U Active CN213960786U (en) | 2020-11-30 | 2020-11-30 | Cutter driving structure with clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213960786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996393A (en) * | 2021-11-09 | 2022-02-01 | 四川瑞驰拓维机械制造有限公司 | Disc type grinding machine with screening function |
-
2020
- 2020-11-30 CN CN202022842033.4U patent/CN213960786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996393A (en) * | 2021-11-09 | 2022-02-01 | 四川瑞驰拓维机械制造有限公司 | Disc type grinding machine with screening function |
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