CN203546337U - Needle lifting triangular guide groove mechanism - Google Patents

Abstract

The utility model discloses a lift needle triangle guide slot mechanism, it includes the triangle bottom plate, triangle bottom plate one side is provided with the slider, the guide slot has transversely been seted up on the slider, the slider outer joint has the triangle of lifting the needle, it is equipped with the card axle to lift needle triangle one end, the card axle card is held in the guide slot. The utility model discloses a seted up the guide slot on the slider, utilized the guide slot effect to drive the card axle action of making a round trip from top to bottom for lift the needle triangle action of making a round trip from top to bottom, be favorable to practicing thrift installation space, make simultaneously the operating position of lifting the needle triangle obtain accurate control, mechanical action impact force is little moreover, the low noise, the operation is stable.

Description

Needle lifting triangular guide groove mechanism

technical field

The utility model relates to a knitting machine, in particular to a needle-lifting triangular guide groove mechanism.

Background technique

The head of the knitting machine includes a knitting mechanism composed of many cam devices such as a needle cam, a density cam, a herringbone cam, a thimble cam, and a cam and a cam motion transmission mechanism for controlling the cam to enter/exit the knitting state. On the knitting machine, the needle-lifting cams are almost all embedded in the cam bottom plate, and can slide up and down along the corresponding chute holes on the cam bottom plate, so as to adapt to the different positions of the needle-lifting cams when the knitting needles perform loop knitting or loop transfer knitting. The position forms the needs of different needle trajectories of knitting needles, and the movement of the needle-lifting cam is driven by a special needle-lifting cam transmission mechanism.

The traditional needle-lifting cam transmission mechanism needs to install an electromagnet on the cam bottom plate to cooperate with the lever to drive the needle-lifting cam. The electromagnet cooperates with the lever to drive the needle-lifting cam. The impact force is large and easy to damage, resulting in a short service life. At the same time, it is difficult to accurately cooperate with other cam devices. The movement changes bring instability to the machine.

Utility model content

Based on this, it is necessary to provide a needle-lifting cam guide groove mechanism for the problems existing in the above-mentioned background technology. The guide groove is set to cooperate with the movement track of the needle-raising cam, which is beneficial to save installation space, and at the same time makes the operating position of the needle-raising cam be accurate. Control, and the impact of mechanical action is small, low noise, stable operation.

In order to achieve the above object, the utility model discloses a triangular guide groove mechanism for lifting needles, which includes a triangular bottom plate, a slider is arranged on one side of the triangular bottom plate, a guide groove is opened transversely on the slider, and the slider A needle-lifting cam is externally connected, and one end of the needle-lifting cam is provided with a clamping shaft, and the clamping shaft is clamped in the guide groove.

In one of the embodiments, the guide groove has a structure of ups and downs, and the shape of the guide groove is symmetrically arranged.

In one embodiment, the slider is in the shape of a strip, and the guide grooves are arranged symmetrically on both sides of the slider.

In one of the embodiments, the triangular bottom plate is provided with a motor, the motor is connected with a rotating shaft, the motor drives the rotating shaft to rotate, one end of the rotating shaft is fixedly connected with a driving wheel, and one end of the driving wheel is connected with a clamping shaft ; The slider is fixedly connected with a fixed block, and a guide groove is opened on the fixed block, and the clamping shaft is clamped in the guide groove.

In one embodiment, the driving wheel includes an integrally formed driving part and a driven part, the driving part is fixedly connected to one end of the rotating shaft, and the driven part is fixedly connected to the holding shaft.

In one of the embodiments, fixing slots are respectively opened on both sides of the bottom end of the fixing block, and fixing pieces are fixed in the fixing slots, and the fixing pieces connect the fixing block and the sliding block fixedly.

In one of the embodiments, the fixing member is a screw structure.

In one of the embodiments, the guide groove is arranged in the vertical direction of the fixing block.

In one of the embodiments, the fixing block is an inverted T-shaped structure.

To sum up, the needle-lifting triangle guide groove mechanism of the utility model is provided with a guide groove on the slider, and uses the function of the guide groove to drive the card shaft to move up and down, so that the needle-lifting triangle moves up and down, which is conducive to saving installation space , and at the same time, the running position of the needle-lifting triangle can be accurately controlled, and the impact force of the mechanical action is small, the noise is low, and the operation is stable.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the utility model.

Fig. 2 is a structural schematic diagram of the utility model shown in Fig. 1 after the motor is hidden.

Detailed ways

In order to further understand the features, technical means, and specific objectives and functions of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Fig. 1 and Fig. 2, the triangular guide groove mechanism for raising the needle of the utility model includes a triangular base plate 10, a motor 20 is arranged in the middle of one side of the triangular base plate 10, and the motor 20 is connected with a rotating shaft 30, and the motor 20 drives the rotating shaft 30 Rotate, one end of the rotating shaft 30 is fixedly connected with a driving wheel 40, the driving wheel 40 includes an integrally formed active part 41 and a driven part 42, the active part 41 is fixedly connected with one end of the rotating shaft 30, and the driven part 42 A clamping shaft 50 is fixedly connected, and the rotating shaft 30 drives the driving wheel 40 to rotate, and then drives the clamping shaft 50 fixedly connected to the driving wheel 40 to operate.

A slide block 60 is provided at one side edge of the triangular bottom plate 10, and the slide block 60 is a strip-shaped structure. Both sides of the slide block 60 are respectively provided with guide grooves 61 transversely symmetrically on the slide block. The guide grooves 61 has a structure of ups and downs, and the shape of the guide groove 61 is axisymmetrically arranged; the slider 60 is connected with a needle-lifting triangle (not shown), and one end of the needle-lifting triangle is provided with a clamping shaft 81, and the clamping The shaft 81 is clamped in the guide groove 61, and the other end of the needle lifting cam protrudes from the other side surface of the triangular bottom plate 10; the guide groove 61 moves horizontally with the movement of the slider 60, and the clamping shaft 81 moves up and down along with the change of guide groove 61 tracks, and then drives the needle-lifting triangle to move up and down, and knitting needles are guided to complete the knitting process.

The middle part of one side of the slider 60 is fixedly connected with a fixed block 70, the fixed block 70 is an inverted T-shaped structure, the two sides of the bottom end of the fixed block 70 are respectively provided with a fixed groove 71, and the fixed groove 71 is fixed with a Fixing piece, the fixing piece fixedly connects the fixing block 70 and the slider 60, and the fixing piece is a screw structure; the fixing block 70 is provided with a chute 72 in the vertical direction, and the clamping shaft 50 is clamped in the chute 72, the clamping shaft 50 reciprocates up and down along the chute 72, and then drives the slider 60 to reciprocate in the horizontal direction, which is not easy to wear and has a small mechanical gap.

When the utility model is in operation, the motor 20 drives the rotating shaft 30 to rotate in the same direction, and the rotating shaft 30 drives one end of the driving wheel 40 to start rotating, and the driving wheel 40 then drives the clamping shaft 50 to rotate. At this time, the clamping shaft 50 takes the rotating shaft 30 as a The center of circle rotates, and when the clamping shaft 50 rotates, the longitudinal height is constantly changing. Since the clamping shaft 50 is clamped in the chute 72, the clamping shaft 50 then reciprocates up and down in the chute 72; The holding shaft 50 takes one end of the rotating shaft 30 as the center of the circle, and the lateral position of the holding shaft 50 is also constantly changing. The fixed block 70 is driven by the holding shaft 50 to move back and forth, and the slider 60 and the fixed block 70 are connected together. , at this time, the slider 60 stably completes the horizontal reciprocating operation; at the same time, the guide groove 61 moves together with the slider 60, since the clamping shaft 81 will not move in the horizontal direction, the clamping shaft 81 clamped in the guide groove 61 will It moves up and down along the track of the guide groove 61, so that the running position of the needle-lifting cam is accurately controlled, and then drives the needle-lifting cam to move up and down to complete the guiding effect on the knitting needles. The impact of the mechanical action is small and the noise is low. ,run smoothly.

In summary, the needle-lifting triangular guide groove mechanism of the utility model provides a guide groove 61 on the slider 60, and utilizes the action of the guide groove 61 to drive the card shaft 81 to move up and down, so that the needle-lifting triangle moves up and down, effectively It is beneficial to save the installation space, and at the same time, the operating position of the needle-lifting cam can be accurately controlled, and the impact force of the mechanical action is small, the noise is low, and the operation is stable.

The above-mentioned embodiment only expresses one implementation mode of the present utility model, and its description is relatively specific and detailed, but it should not be understood as limiting the patent scope of the present utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (9)

1. A needle-lifting triangular guide groove mechanism, characterized in that: it includes a triangular bottom plate (10), a slider (60) is provided on one side of the triangular bottom plate (10), and a horizontal opening is set on the slider (60). Guide slot (61), the slider (60) is connected with a needle lifting cam, one end of the needle lifting cam is provided with a clamping shaft (81), and the clamping shaft (81) is clamped in the guide slot (61) . 2 . The triangular guide groove mechanism for lifting needle according to claim 1 , characterized in that: the guide groove ( 61 ) has a structure of ups and downs, and the shape of the guide groove ( 61 ) is arranged in axisymmetric manner. 3 . 3. The needle-lifting triangular guide slot mechanism according to claim 1, characterized in that: the slider (60) is a strip-shaped structure, and the guide slot (61) is symmetrically arranged on the slider (60) sides. 4. The needle raising triangular guide groove mechanism according to claim 1, characterized in that: the triangular bottom plate (10) is provided with a motor (20), the motor (20) is connected with a rotating shaft (30), and the The motor (20) drives the rotating shaft (30) to rotate, and one end of the rotating shaft (30) is fixedly connected with a driving wheel (40), and one end of the driving wheel (40) is connected with a clamping shaft (50); the slider (60 ) is fixedly connected with a fixed block (70), the fixed block (70) is provided with a chute (72), and the clamping shaft (50) is clamped in the chute (72). 5. The needle lifting triangular guide groove mechanism according to claim 4, characterized in that: the driving wheel (40) includes an integrally formed driving part (41) and a driven part (42), and the driving part (41 ) is fixedly connected to one end of the rotating shaft (30), and the driven part (42) is fixedly connected to the holding shaft (50). 6. The needle lifting triangular guide groove mechanism according to claim 4, characterized in that: fixed grooves (71) are respectively opened on both sides of the bottom end of the fixed block (70), and fixed grooves (71) are fixed in the fixed grooves (71). A fixing piece, the fixing piece fixedly connects the fixing block (70) with the sliding block (60). 7. The needle-lifting triangular guide mechanism according to claim 6, wherein the fixing member is a screw structure. 8. The needle lifting triangular guide groove mechanism according to claim 4, characterized in that: the sliding groove (72) is arranged in the vertical direction of the fixing block (70). 9. The needle-lifting triangular guide groove mechanism according to claim 4, characterized in that: the fixing block (70) is an inverted T-shaped structure.

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