Flat knitting machine

Abstract

The utility model discloses a flat knitting machine, and relates to the technical field of knitting machines. The device comprises a rack, guide rails, a yarn seat and a movable yarn nozzle, a plurality of guide rails are rotatably mounted on the rack, first racks are arranged at the side ends of the guide rails, the guide rails are integrally meshed with the first racks through output gears of first motors to be adjusted front and back, the movable yarn nozzle is mounted on the yarn seat, and the yarn seat slides along the guide rails. According to the flat knitting machine disclosed by the utility model, indirect adjustment of the movable yarn nozzle is realized by controlling the adjustment of the guide rail. The whole structure is simple, an adjusting structure on the yarn base is simplified, the movement burden of the yarn base is small, and the knitting efficiency is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of knitting machines, in particular to a flat knitting machine. Background Art

[0002] In the past, the yarn holder with a movable yarn mouth usually sets the structure for controlling the adjustment of the movable yarn mouth on the yarn holder. Although it can meet the use requirements, if too many structures are set on the yarn holder, it will often increase the burden of controlling the movement of the yarn holder during actual weaving. Therefore, it is necessary to simplify the structure of the yarn holder with a movable yarn mouth, so as to improve the use effect. Summary of the invention

[0003] The utility model provides a flat knitting machine, which overcomes the shortcomings described in the background technology.

[0004] The technical solution adopted by the utility model to solve its technical problem is:

[0005] A horizontal knitting machine comprises a frame, guide rails, a yarn seat and a movable yarn mouth. A plurality of guide rails are rotatably mounted on the frame, a first rack is arranged at the side end of the guide rail, the guide rail as a whole is adjusted forward and backward by the output gear of a first motor meshing with the first rack, a movable yarn mouth is mounted on the yarn seat, and the yarn seat slides along the guide rails.

[0006] The horizontal knitting machine in the utility model indirectly adjusts the yarn seat on the guide rail by controlling the front and rear adjustment of the guide rail, and the movable yarn mouth is installed on the yarn seat, and the movable yarn mouth is controlled to participate in the specific knitting action. That is, the horizontal knitting machine presented by the utility model is essentially a concrete structure of how to control the yarn seat with a movable yarn mouth along the corresponding direction; from another perspective, it is a structural deformation provided on the yarn seat for controlling the position direction of the driven yarn seat for adjustment, such as: the first adjustment mechanism provided on the yarn seat for controlling the position direction of the driven yarn seat for adjustment, and the control direction is front and back; the utility model controls the front and rear adjustment of the guide rail structure where the yarn seat is installed. Because when the horizontal knitting machine performs knitting action, the yarn seat will be driven to move, thereby causing the yarn mouth to move; the structure of indirectly controlling the front and rear adjustment of the yarn mouth is realized by the driving guide rail, which can reduce the weight burden of the yarn seat when it moves to a certain extent compared with directly setting the control structure on the yarn seat.

[0007] A preferred technical solution: a plurality of first motors and first racks are provided, and different first racks are provided at different positions of the guide rail. The guide rail as a whole is independently driven by different first motors to be adjusted up and down or / and left and right.

[0008] A preferred technical solution: a second rack is arranged on the guide rail, a displacement block linked with the movable yarn mouth is arranged on the yarn seat, and the second rack is meshed with the displacement block.

[0009] It is essentially equivalent to another adjusting mechanism being arranged on the yarn seat, which controls the movable yarn mouth on the yarn seat to adjust in one direction. In the structure presented in the embodiment of the utility model, the structure arranged on the yarn seat specifically controls the movable yarn mouth to move up and down.

[0010] A better technical solution: A driving belt is arranged on the yarn seat to drive the yarn seat as a whole to slide along the guide rail, and the driving belt is driven by the cooperation of the second motor and the pulley.

[0011] A better technical solution: a plurality of yarn seats are arranged on both sides of a single guide rail.

[0012] A better technical solution: the movable yarn mouth is slidably installed on the yarn seat, the movable yarn mouth slides up and down along the yarn seat for adjustment, the top of the movable yarn mouth is connected to the displacement block through a connecting piece, a sliding groove is set on the yarn seat, the displacement block moves up and down along the sliding groove, and the displacement block is elastically connected to the sliding groove through a spring.

[0013] A better technical solution: the top end of the yarn seat slides along the guide rail through the guide wheel.

[0014] A better technical solution: a yarn threading hole is arranged on the yarn seat.

[0015] A preferred technical solution: the side end of the second rack is connected to a driving shaft, a driven bevel gear is arranged on the driving shaft, a third motor is arranged on the frame, a driving bevel gear is arranged at the output end of the third motor, and the driving bevel gear is meshed with the driven bevel gear.

[0016] A preferred technical solution: a universal joint is arranged on the driving shaft.

[0017] By adopting the above technical solution, the beneficial effects of the utility model are:

[0018] The utility model of the horizontal knitting machine realizes indirect adjustment of the movable yarn mouth by adjusting the control rail. The overall structure is simple, the adjustment structure on the yarn seat is streamlined, the movement burden of the yarn seat is small, and it is conducive to ensuring the knitting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a top view of the position of the guide rail in the utility model;

[0021] Figure 2 This is a structural diagram of the installation and coordination between the yarn holder and the guide rail;

[0022] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0023] Description of main reference numerals:

[0024] 1. Guide rail; 2. Second motor; 3. Yarn holder; 4. Needle bed; 5. First motor; 6. Output gear; 7. First rack; 31. Moving yarn mouth; 11. Second rack; 20. Third motor; 21. Driving bevel gear; 22. Driven bevel gear; 23. Universal joint; 24. Driving shaft; 32. Displacement block; 33. Connector; 34. Sliding slot; 35. Spring. DETAILED DESCRIPTION

[0025] like Figure 1-Figure 2 As shown, a horizontal knitting machine includes a frame, a guide rail 1, a yarn seat 3, and a movable yarn mouth 31. A plurality of guide rails 1 are rotatably mounted on the frame, a first rack 7 is arranged at the side end of the guide rail 1, and the guide rail 1 as a whole is adjusted forward and backward by engaging the first rack 7 with the output gear 6 of the first motor 5, and a movable yarn mouth 31 is mounted on the yarn seat 3, and the yarn seat 3 slides along the guide rail 1. The knitting area opposite to the bottom end of the movable yarn mouth 31 is the needle bed 4.

[0026] Furthermore, a plurality of first motors 5 and first racks 7 are provided, and different first racks 7 are provided at different positions of the guide rail 1 . The guide rail 1 as a whole is independently driven by different first motors 5 to adjust up and down or / and left and right.

[0027] Furthermore, a second rack 11 is provided on the guide rail 1 , and a displacement block 32 linked to the movable yarn mouth 31 is provided on the yarn seat 3 , and the second rack 11 is meshed with the displacement block 32 .

[0028] Furthermore, a driving belt is provided on the yarn seat 3 for driving the yarn seat 3 to slide along the guide rail 1, and the driving belt is driven by the second motor 2 and the pulley. That is, the back of the yarn seat 3 is connected to the driving belt, and the driving belt is driven by the pulley on the second motor 2 to run, thereby changing the relative position of the yarn seat 3 connected to the driving belt.

[0029] Furthermore, a plurality of yarn seats 3 are arranged on both sides of the single guide rail 1, for example, yarn seats 3 are arranged on both sides, and the directions of the yarn mouths on the two yarn seats 3 are opposite.

[0030] Furthermore, the movable yarn mouth 31 is slidably installed on the yarn seat 3, and the movable yarn mouth 31 slides up and down along the yarn seat 3 for adjustment. The top end of the movable yarn mouth 31 is connected to the displacement block 32 through a connecting piece 33. A sliding groove 34 is provided on the yarn seat 3. The displacement block 32 moves up and down along the sliding groove 34. The displacement block 32 is elastically connected to the sliding groove 34 through a spring 35.

[0031] Furthermore, the top end of the yarn seat 3 slides along the guide rail 1 through the guide wheel, and a track adapted to the guide wheel is provided on the guide rail 1 to ensure the accuracy of the yarn seat 3 when moving.

[0032] Furthermore, a yarn threading hole is provided on the yarn holder 3, and the yarn threading hole is used for the horizontal knitting machine to transfer the yarn used for knitting to the yarn mouth.

[0033] Furthermore, a driving shaft 24 is connected to the side end of the second rack 11 , a driven bevel gear 22 is arranged on the driving shaft 24 , a third motor 20 is arranged on the frame, a driving bevel gear 21 is arranged at the output end of the third motor 20 , and the driving bevel gear 21 is meshed with the driven bevel gear 22 .

[0034] Furthermore, a universal joint 23 is provided on the driving shaft 24, and the universal joint 23 is used to ensure that a transmission connection can be achieved even when the horizontal plane where the second rack 11 is located is not in the same plane as the horizontal plane where the driven bevel gear 22 is located.

[0035] Furthermore, the yarn mouths on the yarn seat 3 can be fixed or movable; the yarn mouths on a single yarn seat 3 can be arranged in the same layer or in layers.

[0036] With Figure 1 , Figure 2 Taking the direction shown in as an example, when controlling the forward and backward adjustment of the movable yarn mouth 31, the output gear 6 on the first motor 5 engages with the first rack 7. At this time, the guide rail 1 will change its position to a certain extent along the base point where the guide rail 1 is connected to the frame (the guide rail 1 rotates around the base point), and the specific forward and backward adjustment angles are determined according to the length of the first rack 7.

[0037] When controlling the upward and downward adjustment of the mobile yarn mouth 31, the driving bevel gear 21 of the third motor 20 meshes with the driven bevel gear 22, and the driving shaft 24 drives the second rack 11 to rotate slightly. At this time, the second rack 11 meshes with the back of the displacement block 32 (the back of the displacement block 32 is provided with a tooth pattern that matches and meshes with the second rack 11), so that the displacement block 32 is displaced, and the displacement block 32 drives the mobile yarn mouth 31 to move in the corresponding direction through the connecting piece 33.

[0038] The structure of the needle bed 4 and the like on the flat knitting machine is the same as that in the prior art and will not be described in detail.

[0039] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of the present invention. That is, equivalent changes and modifications made according to the patent scope of the present invention and the contents of the specification should still fall within the scope of the present invention.

Claims

1. A flat knitting machine, characterized in that: It includes a frame, guide rails, a yarn seat, and a movable yarn mouth. A plurality of guide rails are rotatably mounted on the frame. A first rack is arranged at the side end of the guide rail. The guide rail as a whole is adjusted forward and backward by engaging the first rack with the output gear of the first motor. A movable yarn mouth is installed on the yarn seat, and the yarn seat slides along the guide rails.

2. The flat knitting machine according to claim 1, characterized in that: A plurality of the first motors and first racks are provided, and different first racks are provided at different positions of the guide rail. The guide rail as a whole is independently driven by different first motors to be adjusted up and down or / and left and right.

3. The flat knitting machine according to claim 1, characterized in that: A second rack is arranged on the guide rail, a displacement block linked with the movable yarn mouth is arranged on the yarn seat, and the second rack is meshed with the displacement block.

4. The flat knitting machine according to claim 1, characterized in that: The yarn seat is provided with a driving belt for driving the yarn seat as a whole to slide along the guide rail, and the driving belt is driven by the cooperation of the second motor and the pulley.

5. The flat knitting machine according to claim 1, characterized in that: A plurality of yarn seats are arranged on both sides of a single guide rail.

6. The flat knitting machine according to claim 1, characterized in that: The movable yarn mouth is slidably mounted on the yarn seat, and the movable yarn mouth is slidably adjusted up and down along the yarn seat. The top end of the movable yarn mouth is connected to the displacement block through a connecting piece, and a sliding groove is arranged on the yarn seat. The displacement block moves up and down along the sliding groove, and the displacement block is elastically connected to the sliding groove through a spring.

7. The flat knitting machine according to claim 1, characterized in that: The top end of the yarn seat slides along the guide rail through the guide wheel.

8. The flat knitting machine according to claim 1, characterized in that: The yarn seat is provided with a yarn threading hole.

9. The flat knitting machine according to claim 3, characterized in that: The side end of the second rack is connected with a driving shaft, and a driven bevel gear is arranged on the driving shaft. The frame is provided with a third motor, and a driving bevel gear is arranged at the output end of the third motor, and the driving bevel gear is meshed with the driven bevel gear.

10. The flat knitting machine according to claim 9, characterized in that: A universal joint is arranged on the driving shaft.

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