CN220520746U - Servo drive jacquard shedding device - Google Patents
Servo drive jacquard shedding device Download PDFInfo
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- CN220520746U CN220520746U CN202321958943.6U CN202321958943U CN220520746U CN 220520746 U CN220520746 U CN 220520746U CN 202321958943 U CN202321958943 U CN 202321958943U CN 220520746 U CN220520746 U CN 220520746U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 13
- 238000009941 weaving Methods 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 description 18
- 239000004753 textile Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
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Abstract
The utility model discloses a servo-driven jacquard shedding device which comprises a first swing arm, a second swing arm, a first inner and outer draw-off tool rest, a second inner and outer draw-off tool rest, a first servo motor, a second servo motor, a first transmission shaft, a second transmission shaft and a jacquard main body, wherein the first servo motor and the second servo motor are fixed on two sides of the jacquard main body, the first servo motor is abutted to one end of the first transmission shaft, the second servo motor is abutted to one end of the second transmission shaft, the first servo motor and the second servo motor share a servo driver or are provided with independent servo drivers, and the first servo motor and the second servo motor respectively drive the second swing arm and the first swing arm to synchronously and relatively swing within a set angle. The utility model can simplify the transmission part, and the two groups of servo motors respectively drive the two groups of swing arms to synchronously and relatively swing within a set angle, thereby completing the weaving process.
Description
[ field of technology ]
The utility model relates to the technical field of jacquard shedding machines, in particular to the technical field of servo-driven jacquard shedding devices.
[ background Art ]
China is a large textile country, the textile industry is plain, the economic development is promoted, the textile industry is transformed and upgraded, and the key is the improvement of high-tech technology. The electronic jacquard tap is taken as a necessary device for finishing jacquard weaving of textile machinery such as a rapier loom, an air jet loom and the like, the holding quantity of the electronic jacquard tap in the domestic market is gradually increased, the variety of jacquard opening mechanisms produced by the manufacturers of the domestic jacquard is various, and the current market circulation types can be divided into the following types:
1. conjugate cam shedding mechanism
The working principle of the mechanism is that a universal joint transmission shaft assembly (power input) 1 drives a main transmission shaft 2 through a commutator to drive a cam group 3 to do circular motion and push two groups of rockers 4 and 5 in a cam box (hidden) to do left-right reciprocating swing, and simultaneously the two groups of rockers 4 and 5 respectively drive two groups of swing arms 6 and 7 to drive two groups of inner and outer broach frame plates 8 and 9, and then drive a broach to do up-down reciprocating motion. See fig. 1.
2. Eccentric wheel shedding mechanism
The operating principle of the mechanism is that the power input 1' (shown as servo circumference driving) drives the eccentric wheel group 3' to do circular motion by the rotating shaft 2', pushes the eccentric wheel connecting rod 4' to do reciprocating motion, drives the rocker 5' to do reciprocating motion at the same time, drives the two groups of swing arms 6', 7' to do reciprocating motion according to corresponding angles, and drives the two groups of inner and outer broach frames 8', 9', and then drives the broach to do up-down reciprocating motion. See fig. 2.
The above is a typical two-type shedding structure of the jacquard shedding mechanism, and other structures are not described in detail.
3. Jacquard shedding mechanism power input mode
The power input modes are generally two types:
a. mechanical transmission mode linked with loom: and (5) vertical shaft transmission. See fig. 3 and 4.
The power is connected to the reverser 10 through a universal joint vertical shaft, after reversing, the main shaft 13 is driven to rotate at a constant speed through the two groups of elastic diaphragm couplings 11 and the transitional connecting shaft 12, and then the related parts (see fig. 1 and 2) are driven to finish the weaving process.
b. The servo power input mode is shown in fig. 5 and 6.
The power is provided by a servo motor 14, and the spindle 13 is driven to rotate through the coupler 11, so that the related components (see fig. 1 and 2) are driven to finish the weaving process.
The prior art has more transmission parts and more transmission links: during the mechanical operation, individual components fail due to excessive transmission links, which in turn affects the stability of the overall transmission system. Therefore, a novel jacquard shedding device is needed, and the failure rate of the jacquard shedding mechanism caused by excessive intermediate transmission links can be reduced.
[ utility model ]
The utility model aims to solve the problems in the prior art, and provides a servo-driven jacquard shedding device which can simplify transmission parts, and two groups of servo motors respectively drive two groups of swing arms to synchronously and relatively swing within a set angle so as to finish a weaving process.
In order to achieve the above purpose, the utility model provides a servo-driven jacquard shedding device, which comprises a first swing arm, a second swing arm, a first inner and outer broach frame, a second inner and outer broach frame, a first servo motor, a second servo motor, a first transmission shaft, a second transmission shaft and a jacquard main body, wherein the first servo motor and the second servo motor are fixed on two sides of the jacquard main body, the first servo motor is abutted to one end of the first transmission shaft, the second servo motor is abutted to one end of the second transmission shaft, the first servo motor and the second servo motor share a servo driver or are provided with independent servo drivers, and the first servo motor and the second servo motor respectively drive the second swing arm and the first swing arm to synchronously and relatively swing within a set angle; the output end of the first transmission shaft is connected with a second swing arm, the other end of the second swing arm is connected with a second inner and outer broach rack, and the second inner and outer broach rack is connected with a broach; the output end of the second transmission shaft is connected with a first swing arm, the other end of the first swing arm is connected with a first inner and outer broach rack, and the first inner and outer broach rack is connected with a broach.
Preferably, the first servo motor and the second servo motor share the same communication driving program, and the first servo motor drives the first transmission shaft to correspondingly swing within a certain angle range when receiving the communication driving program, and drives the second swing arm to correspondingly swing in a reciprocating manner, and then drives the second inner and outer broaches to continuously drive the broaches to do up-and-down reciprocating motion; meanwhile, the second servo motor drives the second transmission shaft to swing in the opposite direction correspondingly after receiving the communication driving program, and drives the first swing arm to swing in the opposite direction correspondingly, and then drives the first inner and outer broaches to continuously drive the broaches to reciprocate up and down, and the mutual opposite synchronous operation is kept, so that the weaving process is completed.
Preferably, the first servo motor and the second servo motor are provided with independent servo drivers, and the first servo motor and the second servo motor synchronously swing in opposite directions.
The utility model has the beneficial effects that: the utility model adopts an independent servo driving mechanism or a shared servo driver, can remove a plurality of transmission parts in the middle, reduces a plurality of transmission links, and reduces the faults of individual parts caused by excessive transmission links in the mechanical operation process so as to influence the stability of the whole transmission system.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a conjugate cam shedding mechanism of a servo-driven jacquard shedding device according to the present utility model;
FIG. 2 is a diagram of an eccentric shedding mechanism of a servo-driven jacquard shedding device according to the present utility model;
FIG. 3 is a front view of a servo-driven jacquard shedding device of the present utility model in a vertical shaft drive coupled to a loom;
FIG. 4 is a perspective view of a servo-driven jacquard shedding device of the present utility model in a vertical shaft drive coupled to a loom;
FIG. 5 is a front view of a servo power input mode of a servo driven jacquard shedding device of the present utility model;
FIG. 6 is a perspective view of a servo power input mode of a servo driven jacquard shedding device of the present utility model;
FIG. 7 is a front view of a single servo drive arrangement of a servo driven jacquard shedding device of the present utility model;
FIG. 8 is a diagram showing a servo-driven jacquard shedding device according to the present utility model in comparison with a conventional shedding mechanism transmission;
fig. 9 is a perspective view of a conventional shedding mechanism transmission of a servo-driven jacquard shedding device according to the present utility model.
[ detailed description ] of the utility model
Referring to fig. 1-9, the utility model comprises a first swing arm 6, a second swing arm 7, a first inner and outer broach frame 8, a second inner and outer broach frame 9, a first servo motor 15, a second servo motor 16, a first transmission shaft 17, a second transmission shaft 18 and a jacquard main body, wherein the first servo motor 15 and the second servo motor 16 are fixed on two sides of the jacquard main body, the first servo motor 15 is abutted to one end of the first transmission shaft 17, the second servo motor 16 is abutted to one end of the second transmission shaft 18, the first servo motor 15 and the second servo motor 16 share a servo driver or are provided with independent servo drivers, and the first servo motor 15 and the second servo motor 16 respectively drive the second swing arm 7 and the first swing arm 6 to synchronously and relatively swing within a set angle; the output end of the first transmission shaft 17 is connected with a second swing arm 7, the other end of the second swing arm 7 is connected with a second inner and outer broach rest 9, and the second inner and outer broach rest 9 is connected with a broach; the output end of the second transmission shaft 18 is connected with a first swing arm 6, the other end of the first swing arm 6 is connected with a first inner and outer broach rest 8, and the first inner and outer broach rest 8 is connected with a broach.
Specifically, the first servo motor 15 and the second servo motor 16 share the same communication driving program, and when the first servo motor 15 receives the communication driving program, the first transmission shaft 17 is driven to correspondingly swing within a certain angle range, the second swing arm 7 is driven to correspondingly swing in a reciprocating manner, and then the second inner and outer broach frames 9 are driven to continuously drive the broach to do up-down reciprocating motion; meanwhile, the second servo motor 16 receives the communication driving program and then drives the second transmission shaft 18 to swing in the opposite direction correspondingly, and drives the first swing arm 6 to swing in the opposite direction correspondingly, and then drives the first inner and outer broach frame 8 and then drives the broach to reciprocate up and down continuously, and the mutual opposite synchronous operation is kept, so that the weaving process is completed.
Specifically, the first servo motor 15 and the second servo motor 16 are configured with independent servo drivers, and the first servo motor 15 and the second servo motor 16 perform opposite synchronous swinging movements.
The working process of the utility model comprises the following steps:
the utility model relates to a servo-driven jacquard shedding device, which is described with reference to the accompanying drawings in the working process.
The utility model relates to a method for manufacturing a jacquard machine, which comprises the steps of directly butting two groups of servo motors 15 and 16 at two ends of two transmission shafts 17 and 18 on the jacquard machine, wherein each group of servo motors respectively drives a rotating shaft, so that the two groups of servo motors share a servo driver for ensuring synchronization, namely share the same communication driving program, one group of servo motors 15 drives one transmission shaft 17 to do corresponding swinging (non-circular movement) within a certain angle range when receiving the communication driving program, and drives one group of swinging arms 7 to do corresponding reciprocating swinging, and then drives one group of second inner and outer broaches 9 to continuously drive the broaches to do up-down reciprocating movement; meanwhile, the other group of servo motors 16 drive the other transmission shafts 18 to do corresponding opposite-direction swing, and drive one group of swing arms 6 to do corresponding reciprocating swing, and then drive one group of first inner and outer broaches 8 to continue to drive the broaches to do up-and-down reciprocating motion; and the mutual reverse synchronous operation is kept, and the weaving process is completed.
The structure supports that each group of servo motors is provided with an independent servo driver, and keeps the two groups of servo motors to mutually reversely and synchronously swing, and the working principle of the structure is the same as that of the common servo driver. See fig. 7.
Compared with the traditional shedding mechanism transmission mode, the mechanism has the following advantages:
by adopting the independent servo driving mechanism, a plurality of transmission parts in the middle can be removed, a plurality of transmission links are reduced, and the faults of individual parts caused by excessive transmission links in the mechanical operation process are reduced, so that the stability of the whole transmission system is affected.
The intermediate link multiple components removed are as follows:
the loom power transmission universal joint transmission shaft assembly 1 (comprising a plurality of mechanical parts), a power transmission reversing part assembly (reverser) 14, a transition transmission shaft part 12, a coupling combination part 11 (comprising a plurality of mechanical parts), a driving eccentric wheel combination part 3' (two groups are oppositely distributed), an eccentric connecting rod combination part 4' (two groups are oppositely distributed), a rocker combination part 5' (two groups are oppositely distributed), and a main transmission shaft assembly part 13 (comprising a plurality of mechanical parts and bearing running parts). See fig. 8 and 9.
The simplified transmission is that two groups of servo motors drive two upper transmission shafts 17 and 18 respectively, then drive two groups of swing arms 6', 7' to do reciprocating swing according to corresponding angles, and drive two groups of inner and outer broach frames 8', 9', then drive broach to do up-and-down reciprocating motion, thus completing the weaving process.
The key points of the utility model are as follows: the two groups of servo motors respectively drive the two groups of swing arms to swing synchronously and oppositely within a set angle.
The utility model can omit a plurality of transmission links in the traditional jacquard shedding mechanism, and then omits a plurality of transmission parts, thereby greatly reducing the failure rate of the jacquard shedding mechanism caused by excessive intermediate transmission links.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (3)
1. A servo-driven jacquard shedding device, characterized in that: the jacquard machine comprises a first swing arm (6), a second swing arm (7), a first inner and outer broach rest (8), a second inner and outer broach rest (9), a first servo motor (15), a second servo motor (16), a first transmission shaft (17), a second transmission shaft (18) and a jacquard machine main body, wherein the first servo motor (15) and the second servo motor (16) are fixed on two sides of the jacquard machine main body, the first servo motor (15) is abutted to one end of the first transmission shaft (17), the second servo motor (16) is abutted to one end of the second transmission shaft (18), the first servo motor (15) and the second servo motor (16) share a servo driver or are configured with an independent servo driver, and the first servo motor (15) and the second servo motor (16) respectively drive the second swing arm (7) and the first swing arm (6) to swing synchronously and relatively in a set angle; the output end of the first transmission shaft (17) is connected with a second swing arm (7), the other end of the second swing arm (7) is connected with a second inner and outer broach rest (9), and the second inner and outer broach rest (9) is connected with a broach; the output end of the second transmission shaft (18) is connected with a first swing arm (6), the other end of the first swing arm (6) is connected with a first inner and outer broach rest (8), and the first inner and outer broach rest (8) is connected with a broach.
2. A servo-driven jacquard shedding device as claimed in claim 1, characterized in that: the first servo motor (15) and the second servo motor (16) share the same communication driving program, and when the first servo motor (15) receives the communication driving program, the first transmission shaft (17) is driven to correspondingly swing within a certain angle range, the second swing arm (7) is driven to correspondingly swing in a reciprocating manner, and then the second inner and outer broach frames (9) are driven to continuously drive the broach to do up-and-down reciprocating motion; meanwhile, the second servo motor (16) receives the communication driving program and then drives the second transmission shaft (18) to swing in the opposite direction correspondingly, and drives the first swing arm (6) to swing in the opposite direction correspondingly, and then drives the first inner and outer broaches (8) to continuously drive the broaches to reciprocate up and down, and keep mutually opposite synchronous operation, so that the weaving process is completed.
3. A servo-driven jacquard shedding device as claimed in claim 1, characterized in that: the first servo motor (15) and the second servo motor (16) are provided with independent servo drivers, and the first servo motor (15) and the second servo motor (16) synchronously swing in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321958943.6U CN220520746U (en) | 2023-07-25 | 2023-07-25 | Servo drive jacquard shedding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321958943.6U CN220520746U (en) | 2023-07-25 | 2023-07-25 | Servo drive jacquard shedding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220520746U true CN220520746U (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321958943.6U Active CN220520746U (en) | 2023-07-25 | 2023-07-25 | Servo drive jacquard shedding device |
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| Country | Link |
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| CN (1) | CN220520746U (en) |
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2023
- 2023-07-25 CN CN202321958943.6U patent/CN220520746U/en active Active
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