CN210368104U - Automatic weft insertion device for thick fabric - Google Patents
Automatic weft insertion device for thick fabric Download PDFInfo
- Publication number
- CN210368104U CN210368104U CN201921159720.7U CN201921159720U CN210368104U CN 210368104 U CN210368104 U CN 210368104U CN 201921159720 U CN201921159720 U CN 201921159720U CN 210368104 U CN210368104 U CN 210368104U
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- Prior art keywords
- weft insertion
- ball
- belt
- insertion device
- bevel gear
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- Expired - Fee Related
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- 238000003780 insertion Methods 0.000 title claims abstract description 48
- 230000037431 insertion Effects 0.000 title claims abstract description 48
- 239000004744 fabric Substances 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009941 weaving Methods 0.000 abstract description 12
- 230000033001 locomotion Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model relates to a weaving equipment technical field, concretely relates to automatic wefting insertion device of thick fabric, the ball pair of establishing including ball and the ball upper cover, install sword belt drive assembly on the ball pair, fixed cover is equipped with first bevel gear on the ball, and first bevel gear meshing has second bevel gear, second bevel gear coaxial arrangement has first band pulley, and first band pulley is connected with the second band pulley through driving belt, the second band pulley is installed on servo motor's output. The utility model overcomes prior art's is not enough, reasonable in design, and compact structure, effectual solved current weft insertion mechanism when the thickness of fabric is thicker, warp layer is just more in the vertical direction, and the degree of difficulty of weft insertion also grow thereupon, can bring the difficulty for the weft insertion, reduces weaving efficiency of loom, also makes the problem that the variety adaptability of woof reduces, has higher social use value and application prospect.
Description
Technical Field
The utility model relates to a weaving equipment technical field, concretely relates to automatic weft insertion device of thick fabric.
Background
For weaving fabrics of different materials, the let-off speed of the let-off mechanism is different, in the prior art, the let-off motion needs to be finished by adjusting the speed of a motor, the weft insertion motion is one of five motions of a weaving machine, is a process of guiding weft yarns to enter and pass through a shed, is the most complicated part of the five motions, is also the most important part of the weaving machine, and an important standard for distinguishing various weaving machines is different according to the weft insertion modes.
The structural form, the motion precision and the stability of the existing weft insertion mechanism directly influence the speed and the efficiency of a weaving machine and the quality of a fabric, the thicker the thickness of the fabric is, the more warp layers are in the vertical direction, the difficulty of weft insertion is increased, the difficulty is brought to weft insertion, the weaving efficiency of the weaving machine is reduced, and the variety adaptability of weft yarns is also reduced.
To this end, we propose an automatic weft insertion device for thick fabrics.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an automatic weft insertion device of thick fabric has overcome prior art's not enough, reasonable in design, and compact structure, effectual solved current weft insertion mechanism when the thickness of fabric is thicker, warp layer just more on the vertical direction, the degree of difficulty of weft insertion also grow thereupon, can bring the difficulty for the weft insertion, reduces the efficiency of weaving of loom, also makes the problem that the variety adaptability of woof reduces.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
an automatic thick fabric weft insertion device comprises a ball screw and a ball pair sleeved on the ball screw, wherein a sword belt transmission assembly is installed on the ball pair, a first bevel gear is fixedly sleeved on the ball screw and meshed with a second bevel gear, a first belt wheel is coaxially installed on the second bevel gear, the first belt wheel is connected with a second belt wheel through a transmission belt, and the second belt wheel is installed at the output end of a servo motor;
the sword belt transmission assembly comprises a connecting seat which is arranged on a ball pair and is vertical to a horizontal plane, a mounting plate is arranged on the other side of the connecting seat, a circular gear is installed on the front wall of the mounting plate in a rotating mode, the circular gear is installed on the output end of a forward motor and a reverse motor and is fixedly installed on the rear wall of the mounting plate, teeth of the lower end of the sword belt are meshed with the circular gear, the sword belt is inserted into the side wall of the connecting seat, the sword head is installed on one end of the ball pair away from the sword belt, a sliding guide rail is sleeved on the upper end of the sword belt, and the sliding guide rail is fixedly inserted into the side wall of the connecting seat.
Preferably, the two ends of the ball screw are respectively installed on the two rotating frames, the two limiting blocks are sleeved on the rotating frames, and the two limiting blocks are axially symmetrical along the ball pair.
Preferably, the forward and reverse motors and the servo motor are connected with a photoelectric encoder through an electric control line, the photoelectric encoder is connected with a control device through a lead, and a PLC (programmable logic controller) is arranged in the control device.
Preferably, one side of the ball pair, which is far away from the rapier belt transmission assembly, is provided with a lifting slider, and the lifting slider is slidably arranged on the lifting guide rail.
Preferably, a distance sensor is mounted on the rapier head and connected with the control device through an electric control line.
Preferably, the included angle between the ball screw and the horizontal plane is 45-60 degrees.
Preferably, the transmission ratio between the first belt pulley and the second belt pulley is 1: 3.
Preferably, two pressure guide wheels are arranged at the upper end of the rapier band in a rolling mode and are symmetrically arranged on two sides above the annular side wall of the circular gear.
(III) advantageous effects
The embodiment of the utility model provides an automatic weft insertion device of thick fabric possesses following beneficial effect:
1. through the combined structure of the ball screw, the ball pair, the first bevel gear and the second bevel gear, and the reduction transmission mechanism of the first belt wheel, the transmission belt and the second belt wheel, when the servo motor is started, the rapier belt transmission assembly on the ball pair is driven to relatively displace on the ball screw, the requirement of changing the position of a weft insertion point of the fabric is met, the weft is hooked into an introduced shed, and the adaptability of weft insertion is greatly improved.
2. Through the combined structure of the rapier belt transmission component, the ball screw and the ball pair, the rapier head is enabled to be deep into the weft yarns, then the rapier head is driven by the rapier belt to pull back to hook the weft yarns and be led into a shed to complete weft insertion, so that the abrasion of the weft yarns in the weft insertion process is reduced, the working time of a loom is reduced, meanwhile, the weft insertion mechanism is enabled to carry out weft insertion at a proper position, and the rapier belt transmission component has strong variety adaptability and is suitable for various types of yarn weft insertion.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a rapier band transmission assembly of the present invention;
fig. 3 is a perspective view of a partial structure of the rapier band transmission assembly of the present invention.
In the figure: the gripper comprises a ball screw 1, a rotating frame 2, a limiting block 3, a ball pair 4, a rapier tape transmission assembly 5, a connecting seat 51, a mounting plate 52, a circular gear 53, teeth 54, a rapier tape 55, a rapier head 56, a distance sensor 57, a guide pressing wheel 58, a sliding guide rail 59, a first bevel gear 6, a second bevel gear 7, a first belt wheel 8, a transmission belt 9, a second belt wheel 10, a servo motor 11, a lifting slide block 12, a lifting guide rail 13, a photoelectric encoder 14 and a control device 15.
Detailed Description
The invention will be further described with reference to the following figures 1-3 and examples:
an automatic thick fabric weft insertion device comprises a ball screw 1 and a ball pair 4 sleeved on the ball screw 1, wherein a sword belt transmission component 5 is installed on the ball pair 4 and used for driving weft yarns to reciprocate so as to complete the introduction of the weft yarns into a shed, weaving of fabrics is completed by matching with warp yarns, a first bevel gear 6 is fixedly sleeved on the ball screw 1, a second bevel gear 7 is meshed with the first bevel gear 6, a first belt wheel 8 is coaxially installed on the second bevel gear 7, the first belt wheel 8 is connected with a second belt wheel 10 through a transmission belt 9, the second belt wheel 10 is installed on the output end of a servo motor 11, the servo motor 11 is started, the second bevel gear 7 is driven to rotate through a transmission mechanism of the first belt wheel 8, the transmission belt 9 and the second belt wheel 10, the second bevel gear 7 is meshed with the first bevel gear 6 so as to drive the ball screw 1 to rotate, the ball pair 4 on the ball screw 1 drives the rapier belt transmission assembly 5 to complete lifting, and the moving direction of the rapier belt transmission assembly is changed by an angle, so that the requirement of changing the position of a weft insertion point of the fabric is met.
In this embodiment, as shown in fig. 2 and 3, the sword belt transmission assembly 5 includes a connection seat 51 disposed on the ball pair 4 and perpendicular to the horizontal plane, and a mounting plate 52 is mounted on the other side of the connection seat 51, a circular gear 53 is rotatably mounted on the front wall of the mounting plate 52, the circular gear 53 is mounted on the output end of the forward and reverse motor, the forward and reverse motor is fixedly mounted on the rear wall of the mounting plate 52, the circular gear 53 is engaged with a tooth 54 disposed at the lower end of the sword belt 55, the sword belt 55 is inserted on the side wall of the connection seat 51, a sword head 56 is mounted on the end of the sword belt 55 away from the ball pair 4, a sliding guide rail 59 is sleeved on the upper end of the sword belt 55, the sliding guide rail 59 is fixedly inserted on the side wall of the connection seat 51, the forward and reverse motor is started to drive the circular gear 53 to rotate, the circular gear 53 is engaged with the tooth 54 at the lower end of the sword belt 55, and, the weft is introduced into the shed, and the requirement of changing the weft insertion point position of the fabric is met by matching the relative displacement of the ball screw 1 and the ball pair 4 during rotation, so that the weft insertion efficiency of the thick fabric is improved.
In this embodiment, as shown in fig. 1, ball 1's both ends are installed respectively on two rotating turret 2, and the cover is equipped with two stopper 3 on the rotating turret 2, and two stopper 3 are the axis symmetry along ball pair 4, and the moving position of effectual restriction ball pair 4 on ball 1 guarantees the demand that fabric wefting insertion point position changes.
In this embodiment, as shown in fig. 1, the forward and reverse motors and the servo motor 11 are connected with a photoelectric encoder 14 through an electrical control line, the photoelectric encoder 14 is connected with a control device 15 through a wire, a PLC controller is arranged in the control device 15, in this embodiment, the model of the PLC controller is siemens S7-200, the control device 15 controls the forward and reverse motors and the servo motor 11, and in combination with the pre-programming of the PLC controller, the change of the shed position can be effectively caused according to the change of the number of fabric layers, so that the weft insertion mechanism needs to move up and down to meet the movement of the shed in the longitudinal direction.
In this embodiment, as shown in fig. 1, a lifting slider 12 is installed on one side of the ball pair 4 away from the rapier tape transmission assembly 5, and the lifting slider 12 is slidably installed on the lifting guide rail 13, so as to effectively limit the displacement of the ball pair 4, and ensure the accurate displacement of the fabric weft insertion point by combining with the lifting guide rail 13.
In this embodiment, as shown in fig. 2 and 3, a distance sensor 57 is installed on the rapier head 56, the distance sensor 57 is connected to the control device 15 through an electrical control line, the distance sensor 57 accurately senses a position when the rapier head 56 performs weft insertion, and transmits a signal to a PLC controller in the control device 15, so that weft yarns pass through openings of warp yarns, and the weft insertion is efficiently completed.
In this embodiment, as shown in fig. 1, an included angle between the ball screw 1 and the horizontal plane is 45 ° to 60 °, and it can be known from the arrangement of the warp yarns that the warp yarn shedding has a displacement in the X direction, and in order to ensure that the shedding amount of the fabric is the same when shedding, it is necessary to ensure that the weft insertion mechanism also has a movement in the X direction at this time to ensure that the weft insertion mechanism performs weft insertion at a suitable position, and it can be obtained according to the arrangement and calculation of the fabric: the weft insertion is realized in the direction with the included angle of 10 degrees with the horizontal line, the angle change is carried out on the movement direction of the rapier belt transmission component 5, and the weft is hooked and introduced into a shed.
In this embodiment, as shown in fig. 1, the transmission ratio between the first belt wheel 8 and the second belt wheel 10 is 1:3, so as to effectively complete deceleration, ensure accurate change of the positions of the ball pair 4 and the rapier belt transmission assembly 5 on the ball screw 1, and meet the requirement of changing the position of the fabric weft insertion point by cooperating with the rapier belt transmission assembly 5.
In this embodiment, as shown in fig. 2 and 3, two pressing wheels 58 are installed on the upper end of the rapier band 55 in a rolling manner, and the two pressing wheels 58 are symmetrically arranged on two sides above the annular side wall of the circular gear 53 to effectively press the rapier band 55. The precise transmission of the rapier band 55 is ensured in cooperation with the supporting force of the circular gear 53 located below, and the rapier head 56 is driven to reciprocate so as to complete the weft yarn introduction into the shed.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (8)
1. The utility model provides an automatic weft insertion device of thick fabric, includes that the ball that the cover was established is vice on ball and the ball, its characterized in that: a sword belt transmission assembly is installed on the ball pair, a first bevel gear is fixedly sleeved on the ball screw and meshed with a second bevel gear, a first belt wheel is coaxially installed on the second bevel gear, the first belt wheel is connected with a second belt wheel through a transmission belt, and the second belt wheel is installed on the output end of the servo motor;
the sword belt transmission assembly comprises a connecting seat which is arranged on a ball pair and is vertical to a horizontal plane, a mounting plate is arranged on the other side of the connecting seat, a circular gear is installed on the front wall of the mounting plate in a rotating mode, the circular gear is installed on the output end of a forward motor and a reverse motor and is fixedly installed on the rear wall of the mounting plate, teeth of the lower end of the sword belt are meshed with the circular gear, the sword belt is inserted into the side wall of the connecting seat, the sword head is installed on one end of the ball pair away from the sword belt, a sliding guide rail is sleeved on the upper end of the sword belt, and the sliding guide rail is fixedly inserted into the side wall of the connecting seat.
2. An automatic thick fabric weft insertion device according to claim 1, characterized in that: the two ends of the ball screw are respectively installed on the two rotating frames, the two limiting blocks are sleeved on the rotating frames, and the two limiting blocks are symmetrical in axis along the ball pair.
3. An automatic thick fabric weft insertion device according to claim 1, characterized in that: the forward and reverse motors and the servo motor are connected with photoelectric encoders through electrical control lines, the photoelectric encoders are connected with a control device through wires, and a PLC is arranged in the control device.
4. An automatic thick fabric weft insertion device according to claim 1, characterized in that: and a lifting slide block is arranged on one side of the ball pair, which is far away from the sword belt transmission assembly, and the lifting slide block is slidably arranged on the lifting guide rail.
5. An automatic thick fabric weft insertion device according to claim 3, characterized in that: the rapier head is provided with a distance sensor, and the distance sensor is connected with the control device through an electric control line.
6. An automatic thick fabric weft insertion device according to claim 1, characterized in that: the included angle between the ball screw and the horizontal plane is 45-60 degrees.
7. An automatic thick fabric weft insertion device according to claim 1, characterized in that: the transmission ratio between the first belt wheel and the second belt wheel is 1: 3.
8. An automatic thick fabric weft insertion device according to claim 1, characterized in that: two pressure guide wheels are arranged at the upper end of the rapier band in a rolling mode and are symmetrically arranged on two sides above the annular side wall of the circular gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921159720.7U CN210368104U (en) | 2019-07-23 | 2019-07-23 | Automatic weft insertion device for thick fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921159720.7U CN210368104U (en) | 2019-07-23 | 2019-07-23 | Automatic weft insertion device for thick fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210368104U true CN210368104U (en) | 2020-04-21 |
Family
ID=70273075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921159720.7U Expired - Fee Related CN210368104U (en) | 2019-07-23 | 2019-07-23 | Automatic weft insertion device for thick fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210368104U (en) |
-
2019
- 2019-07-23 CN CN201921159720.7U patent/CN210368104U/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: 20200421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |