CN211522428U - Thread cutting mechanism of doffing trolley - Google Patents
Thread cutting mechanism of doffing trolley Download PDFInfo
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- CN211522428U CN211522428U CN201921537871.1U CN201921537871U CN211522428U CN 211522428 U CN211522428 U CN 211522428U CN 201921537871 U CN201921537871 U CN 201921537871U CN 211522428 U CN211522428 U CN 211522428U
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- scissors
- guide rod
- swing rod
- support
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Abstract
The utility model relates to a doffing trolley thread cutting mechanism, which comprises a trolley body, a scissor device and a scissor bracket, wherein the scissor device is arranged on the scissor bracket and is used for cutting off the thread; the scissors support is connected with the vehicle body through the guide rod slider mechanism and the swing rod mechanism, the vehicle body, the scissors support, the guide rod slider mechanism and the swing rod mechanism jointly form a synchronous swing guide rod mechanism, and the power device is connected with the swing rod mechanism and drives the scissors support to do horizontal movement and simultaneously perform overturning movement through the swing rod mechanism. The utility model discloses because the scissors device can retract and stretch out, reduced its probability of being bumped badly to the adaptability and the reliability of operation after automatic doffing dolly is reformed transform the spinning frame have been improved.
Description
Technical Field
The utility model relates to a weaving equipment, especially a doffing dolly thread trimming mechanism.
Background
The yarn cutting mechanism of the automatic doffing trolley can automatically cut off the yarn on the spinning tube after the spinning tube of the spinning frame is pulled out by the automatic doffing trolley; the spinning frame is left with yarns with proper length. The thread cutting mechanism is directly related to the problem of the head remaining rate when the spinning frame is driven again.
At present, spinning machines of domestic spinning mills are numerous in types, the headstock of a single spinning machine is too wide, and when an automatic doffing trolley finishes doffing and returns, the thread cutting mechanism part is easy to touch the headstock of the spinning machine; some spinning frames are additionally provided with single spindle detection devices, the ring plates of the spinning frames become thicker, and the thread cutting mechanism easily touches the ring plates and the single spindle detection devices in the doffing process of the automatic doffing trolley. The existing thread cutting mechanism of the automatic doffing trolley cannot be applied to the spinning frame.
The present invention is provided in view of this point.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a doffing dolly thread trimming mechanism, can receive and release scissors device, the easy problem that bumps of scissors device when avoiding the motion of doffing dolly.
In order to realize the purpose, the utility model adopts the following technical scheme:
a thread cutting mechanism of a doffing trolley comprises a trolley body, a scissor device and a scissor bracket, wherein the scissor device is arranged on the scissor bracket and is used for cutting off threads; the scissors support is connected with the vehicle body through the guide rod slider mechanism and the swing rod mechanism, the vehicle body, the scissors support, the guide rod slider mechanism and the swing rod mechanism jointly form a synchronous swing guide rod mechanism, and the power device is connected with the swing rod mechanism and drives the scissors support to do horizontal movement and simultaneously perform overturning movement through the swing rod mechanism.
Further, the guide rod and slide block mechanism comprises,
the guide rod is horizontally arranged, and two ends of the guide rod are fixedly connected with the vehicle body through guide rod fixing parts;
the sliding block is arranged on the guide rod and is in sliding fit with the guide rod;
and the first connecting piece is fixedly connected with the scissors support and is connected with the sliding block through a first hinge shaft, so that the scissors support can rotate relative to the sliding block.
Furthermore, the guide rod and slide block mechanisms are a pair and are arranged at two ends of the scissors bracket along the length direction of the scissors bracket.
Furthermore, the swing rod mechanism comprises a turnover shaft connected with the power device, a swing rod fixedly connected with the turnover shaft and a second connecting piece fixedly connected with the scissors support, and one end, far away from the turnover shaft, of the swing rod is connected with the second connecting piece through a second hinged shaft, so that the scissors support can rotate relative to the swing rod.
Further, the power device is a motor or an air cylinder and is configured to drive the overturning shaft to rotate.
Furthermore, two ends of the turnover shaft are mounted on the vehicle body through support bearings, and at least two swing rods are arranged at intervals along the axial direction of the turnover shaft.
Further, the scissors device comprises a plurality of scissors, a transmission device and a scissors device connected with the transmission device
The scissors driving device is characterized in that the scissors are arranged in a straight line and connected with the transmission device, and the scissors driving device is configured to drive the scissors to do reciprocating shearing motion through the transmission device.
Further, the scissors are hair clippers, and the scissors driving device is a motor or an air cylinder.
Adopt technical scheme after, bring following beneficial effect:
the utility model discloses a scissors device is installed on mobilizable scissors support, and the scissors support can realize the connecting rod motion through the cooperation with guide arm slider mechanism and pendulum rod mechanism to it realizes descending withdrawal and the action of stretching out that rises to drive the scissors device. When the automatic doffing trolley works, the scissors device extends to a proper position to enable the scissors to be closer to yarns, and when the automatic doffing trolley returns after working is finished, the scissors device returns to an initial position, so that the headstock of an individual spinning frame is too wide; the single spindle detection of the spinning frame has good adaptability; the scissors device can retract and extend, so that the probability of damage caused by collision is reduced, and the adaptability and the running reliability of the automatic doffing trolley after the spinning machine is modified are improved.
Drawings
FIG. 1: the schematic diagram of the scissors device of the utility model is positioned at the front end line cutting position;
FIG. 2: the schematic diagram of the scissors device of the utility model when the scissors device is returned backwards;
FIG. 3: is a partial enlarged view of Y of FIG. 2;
FIG. 4: is a partial enlarged view of K in FIG. 2;
FIG. 5: the whole structure chart of the utility model;
wherein: 1. the scissors mechanism comprises a vehicle body 2, a scissors device 3, a scissors bracket 4, a guide rod slider mechanism 5, a swing rod mechanism 6, a power device 21, scissors 22, a transmission device 23, a scissors driving device 41, a guide rod 42, a guide rod fixing piece 43, a slider 44, a first connecting piece 45, a first hinged shaft 51, a turnover shaft 52, a swing rod 53, a second connecting piece 54, a second hinged shaft 55 and a support bearing.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a thread cutting mechanism of a doffing trolley comprises a trolley body 1, a scissors device 2, a scissors bracket 3, a guide rod slider mechanism 4, a swing rod mechanism 5 and a power device 6.
The scissors device 2 is mounted on a scissors support 3 and is used for cutting off yarns. Specifically, the scissors device 2 includes a plurality of scissors 21, a transmission 22, and a scissors driving device 23 connected to the transmission 22. The scissors 21 are arranged in a straight line, connected with the transmission device 22 and kept in synchronous motion, and the scissors driving device 23 is configured to drive the scissors 21 to do reciprocating cutting motion through the transmission device 22.
Preferably, the scissors 21 are clippers, the scissors driving device 23 is a motor or an air cylinder, when the scissors driving device 23 is a motor, the transmission device 22 is configured to convert the rotary motion output by the scissors driving device 23 into a linear reciprocating motion, and the transmission device 22 may be a rack and pinion mechanism or a crank link mechanism.
The scissors support 3 is connected with the scissors body 1 through the guide rod slider mechanism 4 and the swing rod mechanism 5, the scissors body 1, the scissors support 3, the guide rod slider mechanism 4 and the swing rod mechanism 5 jointly form a synchronous swing guide rod mechanism, the power device 6 is connected with the swing rod mechanism 5, the scissors support 3 is driven to horizontally move and simultaneously turn over through the swing rod mechanism 5, therefore, the scissors device 2 can descend, retract and ascend to extend, and the movement track of the scissors support 3 can be adjusted by changing the specific shapes and structural sizes of the guide rod slider mechanism 4 and the swing rod mechanism 5.
Specifically, the guide bar-slider mechanism 4 includes a guide bar 41, a guide bar fixing member 42, a slider 43, a first connecting member 44, and a first hinge shaft 45. The guide rod 41 is horizontally arranged, and two ends of the guide rod 41 are fixedly connected with the vehicle body 1 through guide rod fixing pieces 42; the sliding block 43 is installed on the guide rod 41 and is in sliding fit with the guide rod 41, so that linear motion can be realized. The first connecting member 44 is fixedly installed at the bottom side of the scissors bracket 3, and the first connecting member 44 is connected with the sliding block 43 through a first hinge shaft 45, so that the scissors bracket 3 can rotate relative to the sliding block 43, and when the sliding block 43 slides, the scissors 21 can horizontally move and simultaneously rotate around the first hinge shaft 45.
Preferably, the guide bar slider mechanisms 4 are a pair and are disposed at both ends of the scissors bracket 3 in the length direction thereof.
Specifically, the swing link mechanism 5 includes a turning shaft 51, a swing link 52, a second link 53, a second hinge shaft 54, and a support bearing 55. The central axis of the turning shaft 51 is parallel to the length extending direction of the scissors bracket 3, one end of the turning shaft 51 is connected with the power device 6 and is driven by the power device 6 to rotate, the swing rod 52 is perpendicular to the turning shaft 51 and is fixedly connected to the turning shaft 51, one end of the swing rod 52 far away from the turning shaft 51 is rotatably connected with the second connecting piece 53 through the second hinge shaft 54, the second connecting piece 53 is fixedly connected to the bottom side of the scissors bracket 3, and the scissors bracket 3 can rotate around the second hinge shaft 54 relative to the swing rod 52.
Preferably, the power device 6 is a motor or a cylinder, and is configured to drive the turning shaft 51 to rotate.
Both ends of the turning shaft 51 are mounted on the vehicle body 1 through support bearings 55, and at least one pair of swing levers 52 are provided at intervals along the axial direction of the turning shaft 51.
The utility model discloses an action process does:
(1) the lifting and extending process of the scissors comprises the following steps: the power device 6 drives the turning shaft 51 to rotate anticlockwise, the swinging rod 52 rotates along with the turning shaft 51 and pushes the scissors bracket 3 to move forwards, and meanwhile, under the cooperation of the guide rod 41 and the sliding block 43, the scissors bracket 3 is turned over in the clockwise direction, so that the scissors 21 extend upwards while moving forwards.
(2) Descending and retracting processes of the scissors: the power device 6 drives the turning shaft 51 to rotate clockwise, the swinging rod 52 rotates along with the turning shaft 51 and pushes the scissors bracket 3 to move backwards, and simultaneously, under the cooperation of the guide rod 41 and the slide block 43, the scissors bracket 3 is turned over in the anticlockwise direction, so that the scissors 21 retract downwards while moving backwards.
The above description is an embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and this should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a dolly thread trimming mechanism doffs, includes automobile body, scissors device and scissors support, the scissors device is installed on the scissors support for cut off yarn, its characterized in that: the device also comprises a guide rod sliding block mechanism, a swing rod mechanism and a power device; the scissors support is connected with the vehicle body through the guide rod slider mechanism and the swing rod mechanism, the vehicle body, the scissors support, the guide rod slider mechanism and the swing rod mechanism jointly form the synchronous swing guide rod mechanism, the power device is connected with the swing rod mechanism, and the scissors support is driven to horizontally move and simultaneously turn over through the swing rod mechanism.
2. The doffing cart thread trimming mechanism of claim 1, wherein: the guide rod and slide block mechanism comprises a guide rod and slide block mechanism,
the guide rod is horizontally arranged, and two ends of the guide rod are fixedly connected with the vehicle body through guide rod fixing parts;
the sliding block is arranged on the guide rod and is in sliding fit with the guide rod;
and the first connecting piece is fixedly connected with the scissors support and is connected with the sliding block through a first hinge shaft, so that the scissors support can rotate relative to the sliding block.
3. The doffing cart thread trimming mechanism of claim 2, wherein: the guide rod sliding block mechanisms are a pair and are arranged at two ends of the scissors bracket along the length direction of the scissors bracket.
4. The doffing cart thread trimming mechanism of claim 1, wherein: the swing rod mechanism comprises a turnover shaft connected with the power device, a swing rod fixedly connected with the turnover shaft and a second connecting piece fixedly connected with the scissors support, and one end, far away from the turnover shaft, of the swing rod is connected with the second connecting piece through a second hinged shaft, so that the scissors support can rotate relative to the swing rod.
5. The doffing cart thread trimming mechanism of claim 4, wherein: the power device is a motor or an air cylinder and is configured to drive the overturning shaft to rotate.
6. The doffing cart thread trimming mechanism of claim 4, wherein: the two ends of the turnover shaft are mounted on the vehicle body through support bearings, and at least two swing rods are arranged at intervals along the axial direction of the turnover shaft.
7. The doffing cart thread trimming mechanism of claim 1, wherein: the scissors device comprises a plurality of scissors, a transmission device and a scissors device connected with the transmission device
The scissors driving device is characterized in that the scissors are arranged in a straight line and connected with the transmission device, and the scissors driving device is configured to drive the scissors to do reciprocating shearing motion through the transmission device.
8. The doffing cart thread trimming mechanism of claim 7, wherein: the scissors are hair clippers, and the scissors driving device is a motor or an air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537871.1U CN211522428U (en) | 2019-09-17 | 2019-09-17 | Thread cutting mechanism of doffing trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537871.1U CN211522428U (en) | 2019-09-17 | 2019-09-17 | Thread cutting mechanism of doffing trolley |
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| Publication Number | Publication Date |
|---|---|
| CN211522428U true CN211522428U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921537871.1U Active CN211522428U (en) | 2019-09-17 | 2019-09-17 | Thread cutting mechanism of doffing trolley |
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| CN (1) | CN211522428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112626656A (en) * | 2020-12-28 | 2021-04-09 | 山东兴恒电机有限公司 | Winding mechanism for doffer |
-
2019
- 2019-09-17 CN CN201921537871.1U patent/CN211522428U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112626656A (en) * | 2020-12-28 | 2021-04-09 | 山东兴恒电机有限公司 | Winding mechanism for doffer |
| CN112626656B (en) * | 2020-12-28 | 2022-03-25 | 山东兴恒电机有限公司 | Winding mechanism for doffer |
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