Hairbrush presser foot mechanism
By designing a brush presser foot mechanism that can achieve real-time linkage, the inefficiency problem caused by collision and friction during movement of the presser foot and the brush device in the horizontal braiding machine is solved, and a more efficient working coordination is achieved.
Patent Information
- Application Number
- CN202421842939.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-31
AI Technical Summary
During the knitting process of existing cross-weaver weaving machines, the presser foot and the brush device are prone to collision and friction during the movement, resulting in low working efficiency.
A brush presser foot mechanism is designed, and the two pressers are respectively matched with the brush, so that they do not interfere with each other during the movement. A single motor is used to directly drive the movement of the two pressers and the brush to achieve real-time linkage.
Improve work efficiency, avoid signal waiting, reduce machine reversing slewing distance, and ensure quick switching and coordination of presser feet and brushes.
Smart Images
Figure CN222861792U_ABST
Abstract
Description
[Technical field]
[0001] The present application relates to a brush presser foot mechanism, belonging to the technical field of flat knitting machines. [Background technology]
[0002] When a flat knitting machine is performing knitting work, in order to ensure the smooth descent of the fabric and avoid floating yarn causing needle collision, a sinker is generally used to press the coil to ensure the smooth descent of the fabric and avoid floating yarn causing needle collision. A brush device is also required to open the needle tongue during knitting.
[0003] The brush device and the presser foot device generally work together, and it is only necessary to avoid collision and friction between the two during movement. Figure 6 As shown, in order to simultaneously realize the functions of opening the needle tongue and pressing the coil, the device controls the wire pressing device to move through motor 1' and controls the brush device to move through motor 2', but the above structure has a long reversing rotation distance and low working efficiency.
[0004] Therefore, in order to solve the above technical problems, it is necessary to provide a brush presser foot mechanism to overcome the above defects in the prior art. [Contents of the utility model]
[0005] The utility model aims to provide a brush presser foot device for a computerized flat knitting machine. By arranging two presser feet to cooperate with brushes respectively, the two presser feet can move relative to each other and the brushes and the presser feet can not interfere with each other during the movement.
[0006] The utility model aims to provide a brush presser foot mechanism which can directly drive two presser feet and brush bristles to move by one motor, realize real-time linkage, avoid signal waiting, and improve work efficiency.
[0007] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a brush presser foot mechanism, including a base, a first swinging mechanism, a second swinging mechanism, a brush, a first presser foot and a second presser foot, a first presser foot track and a second presser foot track are respectively installed at both ends of the base, the brush is located between the first presser foot track and the second presser foot track, the brush is pivotally connected to the base, and a first driving plate and a second driving plate that drive the brush to swing are slidably connected on the base, the first presser foot track and the second presser foot track correspond to the first presser foot and the second presser foot respectively, the first swinging mechanism drives the brush to swing through the first driving plate, and the second swinging mechanism drives the brush to swing through the second driving plate, the first presser foot moves along the first presser foot track under the drive of the first swinging mechanism, and the second presser foot moves along the second presser foot track under the drive of the second swinging mechanism.
[0008] By adopting the above technical solution, during operation, the first presser foot slides toward the coil to press the coil, and the second presser foot slides away from the coil to exit the work. When the first presser foot and the second presser foot exit the work or switch work, the brush swings back and forth to open the needle tongue.
[0009] A brush presser foot mechanism of the utility model is further configured as follows: a first swing mechanism comprises a first presser foot cam mounted on one end of a motor output shaft, the first presser foot cam is linked to a first presser foot gear through a first transmission arm, and the first presser foot gear rotates to drive the first presser foot and the brush to swing.
[0010] By adopting the above technical solution, the position of the first presser foot cam determines whether the first presser foot participates in the work of the press ring.
[0011] A brush presser foot mechanism of the utility model is further configured as follows: a first presser foot control arm is arranged in a first presser foot track, a first roller is arranged on the first presser foot control arm, and the first roller is restricted to move in the first presser foot track.
[0012] By adopting the above technical solution, the first presser foot track guides the movement trajectory of the first presser foot.
[0013] A brush presser foot mechanism of the utility model is further configured as follows: a first presser foot gear is linked with a first gear shaft, the first gear shaft is connected with a first presser foot control arm, and the first presser foot control arm is connected with the first presser foot.
[0014] By adopting the above technical solution, the first presser foot gear drives the first gear shaft to rotate, the first gear shaft drives the first presser foot control arm to swing, and the first presser foot control arm drives the first presser foot to move.
[0015] A brush presser foot mechanism of the utility model is further configured as follows: the first swing mechanism also includes a first brush swing arm, the first brush swing arm is installed on the first gear shaft, and the first brush swing arm is linked with the first driving plate.
[0016] A brush presser foot mechanism of the utility model is further configured as follows: the first swing mechanism and the second swing mechanism have the same structure.
[0017] By adopting the above technical solution, the motor can drive the first swing mechanism and the second swing mechanism to move simultaneously.
[0018] A brush presser foot mechanism of the utility model is further configured as follows: one end of the brush is connected to the base through an elastic member.
[0019] By adopting the above technical solution, the tension spring can automatically reset the brush.
[0020] The utility model is further configured as a brush presser foot mechanism which also includes an air blowing component, which is mounted on a bottom plate and has an air blowing direction toward the brush.
[0021] By adopting the above technical solution, the air blowing component can clean the dust generated during operation.
[0022] The utility model provides a brush presser foot mechanism that is further configured such that a sensor is installed outside a presser foot cam, and a first presser foot cam and a second presser foot cam are provided with an induction boss or are fixedly connected with a magnetic steel.
[0023] By adopting the above technical solution, the sensor can sense and confirm whether the first presser foot cam and the second presser foot cam have reached the corresponding zero position or working position.
[0024] Compared with the prior art, the utility model has the following beneficial effects:
[0025] 1. The presser foot and the brush in the utility model are mechanically linked, so the presser foot and the brush do not need to wait for each other to move during operation, thereby improving work efficiency.
[0026] 2. The utility model adopts one motor to reduce the reversing torque of the machine and improve the working efficiency.
[0027] 3. In the utility model, the first presser foot cam and the second presser foot cam are opposite in shape. When the first presser foot is working, the second presser foot is at zero position to ensure that the first presser foot and the second presser foot move up and down one by one during use, and can be switched quickly.
Brief Description of the Drawings
[0028] Figure 1 It is a structural schematic diagram of a brush presser foot mechanism of the utility model;
[0029] Figure 2 for Figure 1 Schematic diagram of the lower pressing position of the middle presser foot;
[0030] Figure 3 for Figure 1 Schematic diagram of the middle presser foot at zero position;
[0031] Figure 4 for Figure 1 Schematic diagram of the middle brush being lifted;
[0032] Figure 5 for Figure 1 Schematic diagram of the middle brush pressing down;
[0033] Figure 6 A schematic diagram of the existing organization. [Specific implementation method]
[0034] Please refer to the instruction manual Figure 1 To Attachment Figure 5 As shown, the utility model is a brush 1 presser foot mechanism, comprising a first swing mechanism and a second swing mechanism. The first swing mechanism controls the operation of the brush 1 and the first presser foot 2, and the second swing mechanism controls the operation of the brush 1 and the second presser foot 3.
[0035] The first presser foot 2 and the second presser foot 3 are driven by the first swing mechanism and the second swing mechanism respectively. Specifically, a first presser foot cam 21 and a second presser foot cam 31 are installed on both sides of the motor. When the first presser foot cam 21 is in working state, the second presser foot cam 31 is in zero position. The first presser foot cam 21 is linked with the first transmission arm 22. One end of the first transmission arm 22 is provided with saw teeth. The first transmission arm 22 is engaged with the first presser foot gear 23 through the saw teeth. The second presser foot cam 31 is linked with the second transmission arm 32. One end of the second transmission arm 32 is provided with saw teeth. The second transmission arm 32 is engaged with the second presser foot gear 33 through the saw teeth.
[0036] The first presser foot gear 23 is linked to the first gear shaft 24, the first gear shaft 24 is connected to the first presser foot control arm 25, the first presser foot control arm 25 is connected to the first presser foot 2, the second presser foot gear 33 is linked to the second gear shaft 34, the second gear shaft 34 is connected to the second presser foot control arm 35, and the second presser foot control arm 35 is connected to the second presser foot 3.
[0037] The first presser foot control arm 25 and the second presser foot control arm 35 on both sides of the brush 1 are respectively provided with a first presser foot track 26 and a second presser foot track 36. The first presser foot track 26 and the second presser foot track are arc-shaped strip grooves, and can also be multiple straight lines. The first presser foot 2 and the second presser foot 3 are also provided with rolling elements, such as bearings, rollers, etc. The rolling elements are restricted by the first presser foot control arm 25 to move in the first presser foot track 26, and the rolling elements are restricted by the second presser foot control arm 35 to move in the second presser foot 3 track.
[0038] The brush 1 is pivotally connected to the base, and one end of the brush 1 is provided with a first driving plate 11 and a second driving plate 12, and the first driving plate 11 and the second driving plate 12 are slidably connected to the base, and the first gear shaft 24 and the second gear shaft 34 are also respectively provided with a first bristle swing arm 13 and a second bristle swing arm 14. The first bristle swing arm 13 links the first driving plate 11 to move back and forth when rotating, and links the brush 1 to move toward the needle tongue. One end of the brush 1 is connected to the base through an elastic member (not shown in the figure). As a preferred embodiment, the elastic member is a tension spring, and it can also be other reset structures such as a torsion spring, a spring, a compression spring, etc., which can reset the brush 1. The second bristle swing arm 14 links the second driving plate 12 to move back and forth when rotating, and links the brush 1 to move toward the needle tongue.
[0039] The air blowing assembly 4 is mounted on the bottom plate, and the air blowing direction of the air blowing assembly 4 is toward the brush 1. The air blowing assembly 4 is used to clean the dust generated when the wire is pressed.
[0040] The first presser foot 2 and the second presser foot 3 do not participate in the downward pressing, and the high and low positions are separated, which is the "zero position" state. Figure 3 , Figure 5 As shown; the first presser foot 2 is pressed down as Figure 2 , Figure 4 As shown, the second presser foot 3 is pressed down, and the sensor 5 senses the magnetic steel 6, completing a cycle.
[0041] The presser foot device adopts a first presser foot 2, a second presser foot 3 and a brush 1 controlled by a single motor, and they do not interfere with each other during movement, and can quickly complete the cooperation between the presser foot and the brush. When the first presser foot 2 and the second presser foot 3 move up and down, they can be quickly switched, so that the presser foot can better complete the function of pressing the coil, so that the brush 1 can complete the work of opening the needle tongue.
[0042] The above specific implementation methods are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A brush presser foot mechanism, characterized in that: The invention comprises a base, a first swinging mechanism, a second swinging mechanism, a brush, a first presser foot and a second presser foot, wherein a first presser foot track and a second presser foot track are respectively installed at two ends of the base, the brush is located between the first presser foot track and the second presser foot track, the brush is pivotally connected to the base, a first driving plate and a second driving plate which drive the brush to swing are slidably connected to the base, the first presser foot track and the second presser foot track correspond to the first presser foot and the second presser foot respectively, the first swinging mechanism drives the brush to swing through the first driving plate, the second swinging mechanism drives the brush to swing through the second driving plate, the first presser foot moves along the first presser foot track under the drive of the first swinging mechanism, and the second presser foot moves along the second presser foot track under the drive of the second swinging mechanism.
2. A brush presser foot mechanism according to claim 1, characterized in that: The first swing mechanism comprises a first presser foot cam mounted on one end of the motor output shaft. The first presser foot cam is linked to the first presser foot gear through the first transmission arm. The rotation of the first presser foot gear drives the first presser foot and the brush to swing.
3. A brush presser foot mechanism according to claim 1, characterized in that: The first presser foot control arm is arranged in the first presser foot track. The first presser foot control arm is provided with a first roller, and the first roller is restricted to move in the first presser foot track.
4. A brush presser foot mechanism according to claim 3, characterized in that: The first presser foot gear is linked to the first gear shaft, the first gear shaft is connected to the first presser foot control arm, and the first presser foot control arm is connected to the first presser foot.
5. A brush presser foot mechanism according to claim 1, characterized in that: The first swing mechanism also includes a first brush swing arm, which is mounted on the first gear shaft and is linked to the first drive plate.
6. A brush presser foot mechanism according to claim 1, characterized in that: The first swing mechanism has the same structure as the second swing mechanism.
7. A brush presser foot mechanism according to claim 1, characterized in that: One end of the brush is connected to the base through an elastic member.
8. A brush presser foot mechanism according to claim 1, characterized in that: It also includes an air blowing component, which is installed on the bottom plate and has an air blowing direction toward the brush.
9. A brush presser foot mechanism according to claim 1, characterized in that: A sensor is installed outside the presser foot cam, and the first presser foot cam and the second presser foot cam are provided with a sensing boss or are fixedly connected with a magnetic steel.