CN214736413U - Loom and weft insertion mechanism thereof - Google Patents
Loom and weft insertion mechanism thereof Download PDFInfo
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- CN214736413U CN214736413U CN202121202099.5U CN202121202099U CN214736413U CN 214736413 U CN214736413 U CN 214736413U CN 202121202099 U CN202121202099 U CN 202121202099U CN 214736413 U CN214736413 U CN 214736413U
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Abstract
The utility model discloses a weft insertion mechanism, including servo motor, weft insertion rapier and sword wheel, the weft insertion rapier has transmission portion towards the side of sword wheel, the periphery of sword wheel be equipped with transmission portion complex driving gear, servo motor passes through drive mechanism with the sword wheel and is connected, still include the controller that is used for controlling servo motor. A servo motor in the weft insertion mechanism drives a rapier wheel to rotate through a transmission mechanism, and meanwhile, transmission teeth on the rapier wheel push a transmission part so as to drive a weft insertion rapier to move linearly. The servo motor rotates forwards and backwards under the control of the controller, and the reciprocating motion of the weft insertion rapier is realized. Therefore, the weft insertion mechanism does not need to realize the reciprocating motion of the weft insertion rapier through mechanisms such as a cam and the like, and the structure of the weft insertion mechanism is simplified. In addition, the number of parts in the weft insertion mechanism is reduced, and the requirements on the machining and assembling precision of the parts are also reduced. The utility model also provides a loom including above-mentioned wefting insertion mechanism to have above-mentioned advantage.
Description
Technical Field
The utility model relates to a spinning machine technical field, in particular to weft insertion mechanism. The utility model discloses still relate to a loom including above-mentioned wefting insertion mechanism.
Background
In the weft insertion mode of the existing rapier loom, a main motor of the loom usually drives a connecting rod structure or a cam mechanism to act so as to drive a sector gear to swing, and then the sector gear drives a weft insertion rapier wheel to reciprocate. The existing transmission structure has high requirements on the machining and assembling precision of parts. Meanwhile, the structure of the transmission mechanism is very complex, and the whole space is occupied greatly.
Therefore, how to simplify the structure of the weft insertion mechanism and reduce the requirements on the machining and assembling precision of parts is a technical problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a weft insertion mechanism, it drives the sword wheel through servo motor and rotates, and then control weft insertion rapier accomplishes the weft insertion operation, has simplified weft insertion mechanism's structure, has reduced the processing and the assembly required precision of part. Another object of the present invention is to provide a loom comprising the above weft insertion mechanism.
In order to realize the above object, the utility model provides a weft insertion mechanism, including servo motor, weft insertion rapier and sword wheel, the weft insertion rapier orientation the side of sword wheel has transmission portion, the periphery of sword wheel be equipped with transmission portion complex driving gear, servo motor with the sword wheel passes through transmission mechanism and connects, still includes and is used for control servo motor's controller.
Preferably, the weft insertion device further comprises a weft insertion box, the transmission mechanism is arranged in the weft insertion box, the weft insertion box is located between the servo motor and the rapier wheel, a mounting seat used for mounting the servo motor is arranged on one side, close to the servo motor, of the weft insertion box, a motor connecting hole penetrating through the side wall of the weft insertion box in the thickness direction is formed in the mounting seat, the servo motor is connected with the transmission mechanism in the weft insertion box through a coupling, and a shaft hole penetrating through the weft insertion box in the thickness direction is formed in one side, close to the rapier wheel, of the weft insertion box.
Preferably, the transmission mechanism is a connecting shaft, one end of the connecting shaft penetrates through the shaft hole to be connected with the rapier wheel, and the other end of the connecting shaft is connected with the coupling.
Preferably, the shaft hole with all be equipped with the installation boss in the connecting hole, the connecting axle with be equipped with first support bearing between the installation boss.
Preferably, the transmission mechanism comprises a connecting shaft and a transmission shaft, a driving gear is arranged on the periphery of the connecting shaft, a driven gear meshed with the driving gear is arranged on the periphery of the transmission shaft, one end of the transmission shaft penetrates through the shaft hole to be connected with the rapier wheel, the other end of the transmission shaft is rotatably connected with the side wall of the weft insertion box, one end of the connecting shaft is connected with the servo motor through the coupling, and the other end of the connecting shaft is rotatably connected with the side wall of the weft insertion box.
Preferably, both ends of connecting axle all are equipped with second support bearing, the both ends of transmission shaft all are equipped with third support bearing.
Preferably, the wefting rapier comprises a wefting rapier and wefting rapier matched with the wefting rapier, the rapier wheel comprises a first rapier wheel and a second rapier wheel which are respectively matched with the wefting rapier and the wefting rapier, the transmission mechanism comprises a first transmission mechanism and a second transmission mechanism which are respectively matched with the first rapier wheel and the second rapier wheel, and the servo motor comprises a first motor and a second motor which are respectively matched with the first transmission mechanism and the second transmission mechanism.
Preferably, the coupling is an elastic coupling.
Preferably, the controller comprises an input part for inputting a rotating speed control curve of the servo motor and an execution part which is connected with the servo motor and is used for controlling the servo motor to operate according to the rotating speed control curve.
The utility model also provides a loom, including above-mentioned arbitrary one weft insertion mechanism.
The utility model provides a weft insertion mechanism, including servo motor, weft insertion rapier and sword wheel, the weft insertion rapier has transmission portion towards the side of sword wheel, the periphery of sword wheel be equipped with transmission portion complex driving gear, servo motor passes through drive mechanism with the sword wheel and is connected, still include the controller that is used for controlling servo motor.
A servo motor in the weft insertion mechanism drives a rapier wheel to rotate through a transmission mechanism, and meanwhile, transmission teeth on the rapier wheel push a transmission part so as to drive a weft insertion rapier to move linearly. The servo motor rotates forwards and backwards under the control of the controller, and the reciprocating motion of the weft insertion rapier is realized. Therefore, the weft insertion mechanism does not need to realize the reciprocating motion of the weft insertion rapier through mechanisms such as a cam and the like, and the structure of the weft insertion mechanism is simplified. In addition, the number of parts in the weft insertion mechanism is reduced, and the requirements on the machining and assembling precision of the parts are also reduced.
The utility model also provides a loom including above-mentioned wefting insertion mechanism to have above-mentioned advantage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a specific embodiment of the weft insertion mechanism provided by the present invention;
fig. 2 is a schematic structural view of another embodiment of the weft insertion mechanism provided by the present invention.
Wherein the reference numerals in fig. 1 and 2 are:
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a weft insertion mechanism according to an embodiment of the present invention; fig. 2 is a schematic structural view of another embodiment of the weft insertion mechanism provided by the present invention.
The weft insertion mechanism provided by the utility model has the structure as shown in figure 1 or figure 2, and comprises a servo motor 1, a controller, a weft insertion rapier and a rapier wheel 5. Wherein, the controller is connected with the servo motor 1, and the servo mechanism is connected with the rapier wheel 5 through the transmission mechanism. The weft insertion rapier is parallel to the plane of the rapier wheel 5. Meanwhile, the side surface of the weft insertion rapier facing the rapier wheel 5 is provided with a transmission part, and the periphery of the rapier wheel 5 is provided with transmission teeth matched with the transmission part. In one embodiment of the present application, the transmission portion is a transmission hole penetrating in a thickness direction, and the transmission teeth are insertable into the transmission hole. The servo motor 1 rotates under the control of the controller and drives the rapier wheel 5 to rotate at the same time. The rapier wheel 5 exerts a thrust effect on the weft insertion rapier along the tangential direction thereof during rotation. Therefore, the servo motor 1 rotates forwards and backwards to drive the weft insertion rapier to move, and then the weft insertion operation is completed.
Optionally, the weft insertion mechanism further comprises a weft insertion box, and the transmission mechanism is arranged in the weft insertion box. The weft insertion box is independently provided with a maintenance worker to maintain the weft insertion mechanism, and a user can install the weft insertion mechanism through a frame of the loom according to needs. Specifically, the weft insertion box is located between the servo motor 1 and the rapier wheel 5, a mounting seat is arranged on one side, close to the servo motor 1, of the weft insertion box, and a motor connecting hole penetrating through the side wall of the weft insertion box in the thickness direction is formed in the mounting seat. The motor is connected with one end of the mounting seat far away from the box body in a bolt fixing mode and the like, and a crankshaft of the motor is inserted into a motor connecting hole. The crankshaft is connected with the transmission mechanism through a coupling, in some specific embodiments of the application, the coupling adopts an elastic coupling 2, and the elastic coupling 2 can effectively compensate axial, radial and angular deviations, so that the transmission is more accurate. One side of the weft insertion box close to the rapier wheel 5 is provided with a shaft hole penetrating along the thickness direction, and a connecting shaft 6 in the transmission mechanism penetrates through the shaft hole to be connected with the rapier wheel 5. The connecting shaft 6 is driven by the servo motor 1 to rotate, and further drives the sword wheel 5 to rotate. Of course, the user may also connect the connecting shaft 6 and the servo motor 1 by using other types of coupling or spline connection, and the like according to the need, which is not limited herein.
Optionally, in an embodiment of the present application, the transmission mechanism is a connection shaft 6, as shown in fig. 1, a connection hole is formed in the center of the rapier wheel 5, one end of the connection shaft 6 passes through the shaft hole to connect with the rapier wheel 5, and the other end is connected with the servo motor 1 through a coupling. The servo motor 1 drives the sword wheel 5 to rotate through the connecting shaft 6. In addition, in order to install the connecting shaft 6, installation bosses are arranged in the shaft hole and the connecting hole, and the axis of each installation boss is vertical to the side wall of the weft insertion box. Both ends of the connecting shaft 6 are arranged in the mounting bosses, and first supporting bearings 3 are arranged between the connecting shaft 6 and the mounting bosses. The connecting shaft 6 is thus fixed in the weft insertion box by means of the first support bearing 3.
Optionally, in another embodiment of the present application, the transmission mechanism includes a connecting shaft 6 and a transmission shaft 10. As shown in fig. 2, the connecting shaft 6 and the transmission shaft 10 are arranged in parallel, the transmission shaft 10 is connected with the rapier wheel 5, and the connecting shaft 6 is connected with the servo motor 1. The periphery of the connecting shaft 6 is provided with a driving gear 61, the periphery of the transmission shaft 10 is provided with a driven gear 11, and the driven gear 11 is meshed with the driving gear 61. The servo motor 1 drives the connecting shaft 6 to rotate, and meanwhile, the connecting shaft 6 drives the transmission shaft 10 to rotate through the driving gear 61 and the driven gear 11, so that the purpose of driving the weft insertion rapier is achieved. Optionally, the number of teeth of the driving gear 61 is less than that of the driven gear 11, and a speed regulation function can be performed between the driving gear 61 and the driven gear 11.
Optionally, the two ends of the connecting shaft 6 are both provided with second supporting bearings, and the two ends of the transmission shaft 10 are both provided with third supporting bearings. Specifically, the inside wall that wefting insertion case and shaft hole are relative is equipped with first mounting hole, all is equipped with the second support bearing in shaft hole and the first mounting hole, and the both ends of connecting axle 6 link to each other with two second support bearings respectively to realize connecting axle 6 and the rotatable connection of wefting insertion case. The inside wall opposite to the connecting hole in the weft insertion box is provided with a second mounting hole, third supporting bearings are arranged in the connecting hole and the second mounting hole, and two ends of the transmission shaft 10 are connected with the two third supporting bearings respectively, so that the rotatable connection between the transmission shaft 10 and the weft insertion box is realized.
In addition, the wefting rapier comprises a weft insertion rapier 7 matched with the weft insertion rapier 8 and the weft insertion rapier 8, the rapier wheel 5 comprises a first rapier wheel and a second rapier wheel which are respectively matched with the weft insertion rapier 8 and the weft insertion rapier 7, the transmission mechanism comprises a first transmission mechanism and a second transmission mechanism which are respectively matched with the first rapier wheel and the second rapier wheel, and the servo motor 1 comprises a first motor and a second motor which are respectively connected with the first transmission mechanism and the second transmission mechanism. The weft insertion rapier 8, the first rapier wheel, the first transmission mechanism and the first motor form a weft insertion unit, and the weft insertion rapier 7, the second rapier wheel, the second transmission mechanism and the second motor form a weft insertion unit. The weft insertion box comprises a first weft insertion box 9 and a second weft insertion box 4, a first rapier wheel and a first transmission mechanism are arranged in the first weft insertion box 9, and a second rapier wheel and a second transmission mechanism are arranged in the second weft insertion box 4. In the working process, the first motor and the second motor rotate along opposite directions, and then the front ends of the weft insertion rapier 8 and the weft receiving rapier 7 are controlled to move towards each other. When the front ends of the weft insertion rapier 8 and the weft insertion rapier 7 are overlapped, the weft yarn handover is completed. Then the first motor and the second motor change the rotation direction, and the weft receiving rapier 7 guides the weft yarn to move continuously.
Optionally, the controller includes an input unit and an execution unit, and the input unit is connected to an input device such as a keyboard or a touch screen. A technician may preset a rotational speed control curve of the servo motor 1 in the controller through an input device. The control curve is usually based on a sinusoidal curve, which the user can also adjust according to the actual movement law of the beating-up mechanism. For example, can set up servo motor 1 low-speed rotation in the start-stop position department that the wefting insertion rapier moved, set up servo motor 1 high-speed rotation in the intermediate position department that the wefting insertion rapier moved to shorten the required time of operation under the prerequisite of guaranteeing that the wefting insertion operation steadily goes on, improve production efficiency. The execution part is connected with the servo motor 1 and transmits a control signal to the servo motor 1 in a current or voltage mode, so that the servo motor 1 operates according to a rotating speed control curve. The controller may be specifically a PLC controller, an MCU microcontroller, or an industrial personal computer, the input unit may be specifically an input pin or an input interface of the controller, and the execution unit may be specifically an output pin or an output interface of the controller.
In the embodiment, the weft insertion mechanism controls the weft insertion rapier to move through the servo motor 1, and the weft insertion operation is completed. Because the servo motor 1 can rotate forwards and backwards under the control of the controller, a mechanism which generates reciprocating motion, such as a cam, a sector gear and the like, is not required to be arranged in the weft insertion mechanism, and the structure of the weft insertion mechanism is simplified. In addition, the controller can control the rotating speed of the servo motor 1 according to a rotating speed control curve, the average moving speed of the weft insertion mechanism is increased while the weft feeding rapier 8 and the weft receiving rapier 7 are ensured to stably handover wefts, and therefore the production efficiency of the loom is further improved due to the efficiency.
The utility model also provides a loom, which comprises any weft insertion mechanism; the structure of other parts of the loom can be referred to the prior art, and the details are not repeated.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The weft insertion mechanism provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a weft insertion mechanism, its characterized in that includes servo motor (1), weft insertion rapier and sword wheel (5), the weft insertion rapier orientation the side of sword wheel (5) has transmission portion, the periphery of sword wheel (5) be equipped with transmission portion complex driving gear, servo motor (1) with sword wheel (5) are connected through drive mechanism, still including being used for control the controller of servo motor (1).
2. The weft insertion mechanism according to claim 1, characterized by further comprising a weft insertion box, wherein the transmission mechanism is arranged in the weft insertion box, the weft insertion box is positioned between the servo motor (1) and the rapier wheel (5), a mounting seat for mounting the servo motor (1) is arranged on one side of the weft insertion box close to the servo motor (1), a motor connecting hole penetrating through the side wall of the weft insertion box in the thickness direction is formed in the mounting seat, the servo motor (1) is connected with the transmission mechanism in the weft insertion box through a coupling, and a shaft hole penetrating through the weft insertion box in the thickness direction is arranged on one side close to the rapier wheel (5).
3. Weft insertion mechanism according to claim 2, characterized in that the transmission is a connecting shaft (6), one end of the connecting shaft (6) passing through the shaft hole is connected with the rapier wheel (5) and the other end is connected with the coupling.
4. Weft insertion mechanism according to claim 3, characterized in that mounting bosses are provided in both the shaft hole and the connecting hole, and a first support bearing (3) is provided between the connecting shaft (6) and the mounting bosses.
5. Weft insertion mechanism according to claim 2, characterized in that the transmission mechanism comprises a connecting shaft (6) and a transmission shaft (10), the connecting shaft (6) is provided with a driving gear (61) on the periphery, the transmission shaft (10) is provided with a driven gear (11) on the periphery which is meshed with the driving gear (61), one end of the transmission shaft (10) passes through the shaft hole and is connected with the rapier wheel (5), the other end is rotatably connected with the side wall of the weft insertion box, one end of the connecting shaft (6) is connected with the servo motor (1) through the coupling, and the other end is rotatably connected with the side wall of the weft insertion box.
6. Weft insertion mechanism according to claim 5, characterized in that both ends of the connecting shaft (6) are provided with second support bearings and both ends of the transmission shaft (10) are provided with third support bearings.
7. Weft insertion mechanism according to claim 1, characterized in that the weft insertion rapier comprises a weft insertion rapier (7) cooperating with a weft insertion rapier (8) and the weft insertion rapier (8), the rapier wheel (5) comprises a first rapier wheel and a second rapier wheel cooperating with the weft insertion rapier (8) and the weft insertion rapier (7), respectively, the transmission mechanism comprises a first transmission mechanism and a second transmission mechanism cooperating with the first rapier wheel and the second rapier wheel, respectively, and the servo motor (1) comprises a first motor and a second motor cooperating with the first transmission mechanism and the second transmission mechanism, respectively.
8. Weft insertion mechanism according to any one of claims 2 to 6, characterized in that the coupling is an elastic coupling (2).
9. Weft insertion mechanism according to any one of claims 1 to 7, characterized in that the controller comprises an input for inputting a speed control curve of the servomotor (1) and an actuator connected to the servomotor (1) for controlling the operation of the servomotor (1) according to the speed control curve.
10. A weaving machine, characterized in that it comprises a weft insertion mechanism according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202099.5U CN214736413U (en) | 2021-05-31 | 2021-05-31 | Loom and weft insertion mechanism thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202099.5U CN214736413U (en) | 2021-05-31 | 2021-05-31 | Loom and weft insertion mechanism thereof |
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| Publication Number | Publication Date |
|---|---|
| CN214736413U true CN214736413U (en) | 2021-11-16 |
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| CN202121202099.5U Active CN214736413U (en) | 2021-05-31 | 2021-05-31 | Loom and weft insertion mechanism thereof |
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| CN (1) | CN214736413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457494A (en) * | 2022-01-24 | 2022-05-10 | 江苏千家汇智能装备科技有限公司 | High-performance compact type direction-changing weft insertion device |
-
2021
- 2021-05-31 CN CN202121202099.5U patent/CN214736413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457494A (en) * | 2022-01-24 | 2022-05-10 | 江苏千家汇智能装备科技有限公司 | High-performance compact type direction-changing weft insertion device |
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