CN210945946U

CN210945946U - Sinker driving mechanism of computerized flat knitting machine

Info

Publication number: CN210945946U
Application number: CN201921428396.4U
Authority: CN
Inventors: 乔耀明; 杨伟泉
Original assignee: Shaoxing Jinhao Machinery Co ltd
Current assignee: Shaoxing Jinhao Machinery Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-07-07
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a sinker driving mechanism of a computerized flat knitting machine, which comprises a group of sinker triangles, a driving rack, a control groove plate, a sliding groove seat and a supporting plate, wherein the driving rack is fixedly connected on the control groove plate, the control groove plate and the sliding groove seat can be connected on the sliding groove seat in a way of relative left-right linear motion, and the sliding groove seat is fixedly connected with the supporting plate; driving cranks are respectively arranged at two ends of the sliding groove seat between the supporting plate and the control groove plate, a bearing assembly is fixed on each driving crank, and a bearing of each bearing assembly is positioned in the sliding groove of the control groove plate and can roll along the sliding groove; the two ends of each sinker triangle are respectively fixed with a sinker crank which is arranged below the supporting plate, the sinker crank at the outer end is fixedly connected with the driving crank through a hinged shaft sleeve, the sinker crank at the inner end is fixedly connected with the pressing plate through a hinged shaft sleeve, and the hinged shaft sleeves are arranged on the supporting plate in a penetrating way. The utility model discloses it is big to give birth to gram stroke, and occupation space is little, and the space of practicing thrift can be used for the installation of other mechanisms.

Description

Sinker driving mechanism of computerized flat knitting machine

Technical Field

The utility model belongs to the technical field of knitting machinery, concretely relates to gram mechanism is given birth to in drive of computerized flat knitting machine.

Background

The working principle of the existing flat knitting machine is that a knitting needle makes regular lifting motion to enable yarn to complete actions of yarn laying, closing, looping, yarn bending, knocking over, looping and the like so as to knit the yarn into a braided fabric, and in the lifting process of the knitting needle, a coil gradually withdraws from a needle hook and opens a needle latch which is hung on a needle rod. During the descending process of the knitting needle, the needle hook hooks the yarn of the new pad and pulls the yarn to form a new coil, meanwhile, the original coil is separated from the needle hook, the new coil is connected with the original coil in series, and a plurality of coils knitted by a plurality of knitting needles are mutually connected to form a braided fabric.

In the lifting process of the knitting needle, because friction exists between a needle rod of the knitting needle and a coil and the yarn has elasticity, the coil floats upwards along with the knitting needle, and the smooth operation of the coil withdrawing is influenced. In order to overcome the defects, a sinker device for helping a knitting needle smoothly complete the action of withdrawing the loop is arranged on the flat knitting machine, the sinker device generally comprises a sinker and a sinker cam device directly acting on the sinker, and the sinker rotates up and down under the action of the sinker cam device to realize the function of pressing a coil or yarn when the knitting needle withdraws the loop.

The sinker driving device of the existing computerized flat knitting machine is compactly arranged on the machine head, and when a new function is added to the flat knitting machine, the sinker driving stroke needs to be increased or a new mechanism needs to be arranged, the sinker driving device and other parts of the machine head can interfere imagination.

Disclosure of Invention

In order to overcome the defects existing in the prior art, the utility model provides a reduce the occupation space of the sinker driving mechanism, thereby providing a sinker driving stroke and a driving sinker mechanism of the computerized flat knitting machine which can conveniently increase the sinker driving stroke and increase the driving mechanism.

The utility model adopts the technical proposal that:

the utility model provides a sinker driving mechanism of a computerized flat knitting machine, which is characterized in that: the device comprises a group of sinker triangles, a driving rack, a control groove plate, a sliding groove seat and a supporting plate, wherein the driving rack is fixedly connected to the control groove plate, the control groove plate and the sliding groove seat can be connected to the sliding groove seat in a left-right linear motion manner relatively, and the sliding groove seat is fixedly connected with the supporting plate; driving cranks are respectively arranged at two ends of the sliding groove seat between the supporting plate and the control groove plate, a bearing assembly is fixed on each driving crank, and a bearing of each bearing assembly is positioned in the sliding groove of the control groove plate and can roll along the sliding groove; the two ends of each sinker triangle are respectively fixed with a sinker crank, the sinker crank is positioned below the supporting plate, the sinker crank at the outer end is fixedly connected with the driving crank through a hinged shaft sleeve, the sinker crank at the inner end is fixedly connected with the pressing plate through a hinged shaft sleeve, and the hinged shaft sleeves are arranged on the supporting plate in a penetrating mode. The utility model discloses a parallelly connected quadrangle mechanism is constituteed to gram triangle and two of giving birth to and gram crank and backup pad, and gram crank is located the connecting rod position, and gram triangle is translated in the plane under the restraint of control frid and the drive articulate drive, and two adjacent grams of giving birth to triangle can cooperate and accomplish cross motion from top to bottom, and the gram stroke of giving birth to is big, and occupation space is little, and the space of practicing thrift can be used for the installation of other mechanisms.

Further, a mounting seat is fixed on the sliding groove seat, and the mounting seat is fixed on a machine head of the computerized flat knitting machine.

Furthermore, the upper surface of the chute seat is provided with a sliding block which is arranged in a protruding mode, and the sliding block and the chute are matched to move relatively.

Furthermore, the mounting seat is fixed on the sliding block, the control groove plate is limited up and down, and the control groove plate can move more reliably.

Furthermore, the middle section of the sliding groove is a straight section, and the straight section and the sliding block are matched to move in a left-right linear mode.

Furthermore, the two ends of the sliding groove are arc-shaped sections, and the arc-shaped sections are matched with the bearing of the bearing assembly to move in a curve manner, so that the crank is driven to drive the sinker crank to swing.

Furthermore, the sinker crank is connected with the driving crank or the pressing plate through two hinged shaft sleeves, one hinged shaft sleeve penetrates through a hole of the supporting plate to form a hinge fit, the other hinged shaft sleeve penetrates through a moving groove of the supporting plate to move along the moving groove, and the sinker crank is driven to translate through the swinging of the sinker crank.

Furthermore, the shapes of the plurality of moving grooves on the supporting plate are consistent, so that the sinker triangle is ensured to be translated.

Further, the rotation angle of the sinker crank and the drive crank does not exceed 90 °, and the value of the sinker crank in the width direction of the support plate is increased or decreased during the swing.

Further, the driving rack is engaged with a gear driving the driving rack to move, and the gear is installed on an output shaft of the stepping motor.

The utility model has the advantages that: the sinker cam, the two sinker cranks and the supporting plate form a parallelogram mechanism, the sinker cranks are positioned at the positions of the connecting rods, the sinker cams are horizontally moved in a plane under the restraint of the control groove plate and the driving of the driving cranks, the two adjacent sinker cams can be matched to complete vertical cross motion, the sinker is formed to be large, the occupied space is small, and the saved space can be used for installing other mechanisms.

Drawings

Fig. 1 is an exploded view of a part of the structure of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a schematic bottom view of the present invention.

Fig. 5 is a schematic view of the structure of the utility model after exercise.

In the figure: 1-sinker cam, 2-sinker crank, 3-support plate, 31-moving groove, 4-hinged shaft sleeve, 5-pressing plate, 6-driving crank, 7-sliding groove seat, 71-sliding block, 8-bearing assembly, 9-control groove plate, 91-sliding groove, 10-mounting seat and 11-driving rack

Detailed Description

The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-4, the embodiment provides a sinker driving mechanism of a computerized flat knitting machine, including a set of sinker cams 1, a driving rack 11, a control slot plate 9, a chute seat 7, and a support plate 3, where the driving rack 11 is engaged with a gear driving the driving rack to move, the gear is installed on an output shaft of a stepping motor, the driving rack 11 is fixedly connected to the control slot plate 9, the control slot plate 9 and the chute seat 7 are connected to the chute seat 7 in a manner of being capable of moving linearly left and right relatively, and the chute seat 7 is fixedly connected to the support plate 3; drive cranks 6 are respectively arranged at two ends of a chute seat 7 between the support plate 3 and the control chute plate 9, a bearing assembly 8 is fixed on each drive crank 6, and a bearing of each bearing assembly 8 is positioned in a chute 91 of the control chute plate 9 and can roll along the chute 91; the set of sinker cams comprises two sinker cams 1, a sinker crank 2 is fixed at both ends of each sinker cam 1, the sinker crank 2 is located below a support plate 3, the sinker crank 2 at the outer end is fixedly connected with a drive crank 6 through a hinge shaft sleeve 4, the sinker crank 2 at the inner end is fixedly connected with a pressure plate 5 through a hinge shaft sleeve 4, the hinge shaft sleeves 4 are all arranged in the support plate 3 in a penetrating way, concretely, the sinker crank 2 is connected with the drive crank 6 or the pressure plate 5 through two hinge shaft sleeves 4, one hinge shaft sleeve 4 is arranged in a penetrating way of a hole of the support plate 3 to form hinge fit, the other hinge shaft sleeve 4 is arranged in a penetrating way of a moving groove 31 of the support plate 3 and can move along the moving groove 31, the sinker cam 1 is driven to move horizontally by the swing of the sinker crank 2, the moving grooves 31 on the support plate 3 are identical in shape and are arc-shaped structures, ensuring that the sinker cam 1 is translated. The utility model discloses a gram triangle 1 and two are born and gram 2 and backup pad 3 and constitute parallelogram mechanism, and gram crank 2 is born and is located the connecting rod position, and gram triangle 1 is born and is translated in the plane under the restraint of control frid 9 and drive crank 6's drive, and two adjacent gram triangles 1 of giving birth to can cooperate and accomplish cross motion from top to bottom, and it is big to give birth to gram stroke, and occupation space is little, and the space of practicing thrift can be used for the installation of other mechanisms.

In this embodiment, the chute seat 7 is fixed with a mounting seat 10, and the mounting seat 10 is fixed on a machine head of the computerized flat knitting machine. The upper surface of the chute seat 7 is provided with a sliding block 71 which is convexly arranged, and the sliding block 71 and the chute 91 are matched to move relatively. The mounting seat 10 is fixed on the sliding block, the control groove plate 9 is limited up and down, and the control groove plate 9 can move more reliably. The middle section of the sliding groove 91 of the control groove plate 9 is a straight section, and the straight section and the sliding block 71 are matched to move linearly left and right. The two ends of the chute 91 are arc sections, and the arc sections are matched with the bearing of the bearing assembly 8 to move in a curve manner, so that the crank 6 is driven to drive the sinker crank 2 to swing. The rotation angle of the sinker crank 2 and the drive crank 6 does not exceed 90 °, and the value of the sinker crank 2 in the width direction of the support plate 3 is increased or decreased during the swing.

The driving crank 6 of this embodiment is a fan-shaped structure, the sinker crank 2 is an equilateral triangle shape, and the sinker triangle 1 is a double-head wrench shape.

The utility model discloses during the use, step motor is linear motion through 11 drive control frid 9 of drive rack, spout 91 drive bearing assembly 8 on the control frid 9 and then drive crank 6 and be rotary motion, drive crank 6 is fixed connection with gram crank 2 of giving birth to, gram triangle 1 of giving birth to, gram crank 2 and backup pad 3 constitute parallelogram mechanism, gram triangle 1 of giving birth to under the drive of gram crank 2 of giving birth to is parallel motion, with the cooperation of a set of two gram triangles 1 of giving birth to accomplish the up-and-down cross motion, see figure 5. The utility model discloses a change transmission, make the shared volume of the mechanism that the gram was given birth to in the drive reduce, practiced thrift the space, the stroke that the gram was given birth to in the drive increases.

Claims

1. The utility model provides a sinker driving mechanism of a computerized flat knitting machine, which is characterized in that: the device comprises a group of sinker triangles, a driving rack, a control groove plate, a sliding groove seat and a supporting plate, wherein the driving rack is fixedly connected to the control groove plate, the control groove plate and the sliding groove seat can be connected to the sliding groove seat in a left-right linear motion manner relatively, and the sliding groove seat is fixedly connected with the supporting plate; driving cranks are respectively arranged at two ends of the sliding groove seat between the supporting plate and the control groove plate, a bearing assembly is fixed on each driving crank, and a bearing of each bearing assembly is positioned in the sliding groove of the control groove plate and can roll along the sliding groove; the two ends of each sinker triangle are respectively fixed with a sinker crank, the sinker crank is positioned below the supporting plate, the sinker crank at the outer end is fixedly connected with the driving crank through a hinged shaft sleeve, the sinker crank at the inner end is fixedly connected with the pressing plate through a hinged shaft sleeve, and the hinged shaft sleeves are arranged on the supporting plate in a penetrating mode.

2. The sinker driving mechanism of the computerized flat knitting machine according to claim 1, wherein: the mounting seat is fixed on the sliding groove seat and is fixed on a machine head of the computerized flat knitting machine.

3. The sinker driving mechanism of the computerized flat knitting machine according to claim 2, wherein: the upper surface of the sliding groove seat is provided with a sliding block which is arranged in a protruding mode, and the sliding block and the sliding groove are matched to move relatively.

4. The sinker driving mechanism of the computerized flat knitting machine according to claim 3, wherein: the mounting seat is fixed on the sliding block and limits the control groove plate up and down.

5. The sinker driving mechanism of the computerized flat knitting machine according to claim 3, wherein: the middle section of the sliding groove is a straight section, and the straight section and the sliding block are matched to move linearly left and right.

6. The sinker driving mechanism of the computerized flat knitting machine according to claim 1, wherein: the two ends of the sliding groove are arc-shaped sections, and the arc-shaped sections are matched with the bearings of the bearing assembly to move in a curve.

7. The sinker driving mechanism of a computerized flat knitting machine according to any one of claims 1 to 6, wherein: the sinker crank is connected with the driving crank or the pressing plate through two hinged shaft sleeves, one hinged shaft sleeve is arranged in a hole of the supporting plate in a penetrating mode to form hinge fit, the other hinged shaft sleeve is arranged in a moving groove of the supporting plate in a penetrating mode and can move along the moving groove, and the sinker crank is driven to translate through the swinging of the sinker crank.

8. The sinker driving mechanism of a computerized flat knitting machine according to claim 7, wherein: the shapes of the plurality of moving grooves on the supporting plate are consistent and are arc-shaped structures.

9. The sinker driving mechanism of a computerized flat knitting machine according to claim 8, wherein: the rotation angle of the sinker crank and the driving crank does not exceed 90 degrees, and the value of the sinker crank in the width direction of the supporting plate is increased or decreased in the swinging process.

10. The sinker driving mechanism of the computerized flat knitting machine according to claim 1, wherein: the driving rack is meshed with a gear driving the driving rack to move, and the gear is mounted on an output shaft of the stepping motor.