CN210314711U

CN210314711U - Cam yarn cutting device for glove machine

Info

Publication number: CN210314711U
Application number: CN201920809816.7U
Authority: CN
Inventors: 黄超晨; 李吉生
Original assignee: Shaoxing Qiangsheng Precision Machinery Co ltd
Current assignee: Shaoxing Qiangsheng Precision Machinery Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-14
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a yarn device is cut to cam for glove machine, comprising a base plate, the outside of bottom plate is equipped with drive arrangement, the inboard rotation of bottom plate is connected with the gear wheel, V-arrangement pendulum rod and pinion have connected gradually on drive arrangement's the power shaft, pinion and gear engagement, one side of gear wheel is equipped with the V-arrangement groove complex centrifugal wheel with the V-arrangement pendulum rod, opposite side fixedly connected with auxiliary cam and main cam in proper order, be equipped with the base on the bottom plate, be equipped with the recess on the base, be equipped with the slide bar in the recess, both ends are equipped with gyro wheel and lower gyro wheel respectively about slide bar one side, go up gyro wheel and lower gyro wheel respectively with main cam and auxiliary cam contact, the one end that the bottom. The utility model discloses simple compactness, small in size, the running noise is little, and is longe-lived, can greatly improve the economic benefits of enterprise.

Description

Cam yarn cutting device for glove machine

Technical Field

The utility model relates to a knitting machine technical field, more specifically relate to a yarn device is cut to cam for glove knitting machine.

Background

The existing yarn shearing device of the glove knitting machine drives a plurality of groups of V-shaped swing rods through a cam and a spring combination to realize vertical pulling. The multiple groups of cams are arranged on the shaft side by side and are driven by a servo motor synchronous belt in a speed reducing way. The multiple groups of V-shaped swing rods are arranged on the wall board side by side, one ends of the swing rods are provided with springs, and the other ends of the swing rods are provided with rollers, and the springs provide tension to enable the rollers to be in contact with the cams. Because the spring pulls the return, when the swing rod moves upwards and the roller rolls over the low point of the cam, impact is generated to cause abnormal sound; the rocker needs to overcome the tension of a harmful spring when moving downwards, so that the cam needs to provide larger torque, the mechanism is larger in size, and meanwhile, the rocker, the roller and the cam are always in a fatigue wear state due to the fact that the spring always provides tension for the rocker in operation, the service life is greatly shortened, and the economic benefit of an enterprise is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a yarn device is cut to cam for glove machine, simple structure is compact, small in size, and the running noise is little, and is longe-lived, can greatly improve the economic benefits of enterprise.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a yarn device is cut to cam for glove knitting machine, includes the bottom plate, the outside of bottom plate is equipped with drive arrangement, the inboard of bottom plate is rotated and is connected with the gear wheel, V-arrangement pendulum rod and pinion have connected gradually on drive arrangement's the power shaft, the pinion with gear engagement, one side of gear wheel be equipped with the V-arrangement groove complex centrifugal wheel of V-arrangement pendulum rod, opposite side fixedly connected with auxiliary cam and main cam in proper order, be equipped with the base on the bottom plate, be equipped with the recess on the base, be equipped with the slide bar in the recess, both ends are equipped with gyro wheel and lower roller respectively about slide bar one side, go up gyro wheel and lower roller respectively with main cam and auxiliary cam contact, the base is kept away from the one end of bottom plate is connected. The upper end of the sliding rod is connected with a yarn shearing device, the upper end of the V-shaped swing rod is connected with a yarn grabbing device, and the driving device is a motor. When the yarn grabbing device works, the motor runs to drive the large gear meshed with the small gear on the power shaft of the motor to rotate, and the centrifugal wheel matched with the V-shaped swing rod on one side of the large gear rotates to realize the up-and-down swing of the V-shaped swing rod, so that the yarn grabbing device connected with the yarn grabbing device runs. Meanwhile, the large gear rotates to drive the main cam and the auxiliary cam to rotate, the main cam drives the sliding rod to move upwards through the upper idler wheel, the auxiliary cam drives the sliding rod to move downwards through the lower idler wheel, the up-and-down swinging of the sliding rod is achieved, and therefore the operation of a yarn shearing device connected to the upper end of the sliding rod is achieved. The utility model discloses simple compactness, small in size, the running noise is little, and is longe-lived, can greatly improve the economic benefits of enterprise.

Further, the main cam and the sub cam are conjugate cams.

Furthermore, the large gear, the main cam and the auxiliary cam are rotationally connected with the bottom plate through pin shafts, and the large gear, the main cam and the auxiliary cam are connected to the bottom plate together through the pin shafts, so that synchronous rotation can be guaranteed.

Further, main cam, vice cam pass through the bolt fastening on the gear wheel, vice cam with be equipped with the spacer between the gear wheel, separate vice cam and gear wheel through setting up the spacer, avoid mutual friction damage.

Furthermore, the diameters of the two ends of the pin shaft are smaller than the diameter of the middle of the pin shaft, the two ends of the pin shaft are respectively installed on the base plate and the cover plate through flange bearings, the flange surfaces of the bearings at the two ends face inwards and lean against the shaft shoulder, and the steps of the outer ring of the bearing are respectively installed on the base plate and the cover plate.

Furthermore, the two ends of the pin shaft are provided with clamp springs, and the main cam, the auxiliary cam and the large gear are combined between the two clamp springs to prevent the main cam, the auxiliary cam and the large gear from moving along the axial direction of the pin shaft.

Further, the slide bar is the Y font, and the centre is equipped with the slot hole, go up the gyro wheel with the mutual offset setting of staggering of lower gyro wheel, the slide bar is the Y font, and the centre is equipped with the slot hole, and the lower extreme of slide bar is equipped with the pulley holder, and lower gyro wheel is installed and is staggered on the pulley holder with the main cam, goes up gyro wheel and lower gyro wheel offset setting, goes up the gyro wheel and contacts with the main cam on a left side, and lower gyro wheel contacts with vice cam on a right side. When the device works, the main cam drives the upper idler wheel to enable the sliding rod to push upwards, the auxiliary cam drives the lower idler wheel to enable the sliding rod to press downwards, and the up-and-down swinging of the sliding rod is achieved in a circulating reciprocating mode.

Furthermore, the V-shaped swing rod is arranged between the bottom plate and the large gear, the bottom end of the V-shaped swing rod is provided with a mounting hole, and the V-shaped swing rod is mounted on a power shaft of the driving device through a bearing.

Furthermore, the main cam, the auxiliary cam, the large gear, the small gear, the bottom plate, the cover plate and the slide rod are all in the same thickness, and materials with the same thickness are adopted in all the parts, so that the material selection is simplified, and the part processing is facilitated.

The utility model has the advantages that:

1. the utility model changes the original force sealing mechanism into a shape sealing mechanism, thereby reducing the mechanism load and the mechanism volume;

2. the utility model reduces the number of the original V-shaped swing rods to one, and is arranged on the motor, thereby removing the swing rod rotating shaft of the original mechanism and simplifying the mechanism;

3. the auxiliary cam, the large gear, the small gear, the bottom plate, the cover plate, the sliding rod and all the parts of the mechanism are all in the same thickness, the material selection is simplified through the design, and the part processing is facilitated.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a right side view of FIG. 2;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a schematic view of the main and auxiliary cams of the present invention;

fig. 6 is a schematic view of the structure of the middle sliding rod of the present invention.

Description of the labeling: 1. a pinion gear; 2. a base plate; 3. a base; 4. a drive device; 5. a bull gear; 6. a cover plate; 7. a slide bar; 8. a main cam; 9. a sub-cam; 10. a spacer; 11. a V-shaped swing rod; 12. a clamp spring; 13. a flange bearing; 14. a pin shaft; 15. an upper roller; 16. a lower roller; 17. a bolt; 18. a long hole; 19. a roller seat.

Detailed Description

A cam yarn cutting device for a glove knitting machine according to an embodiment of the present invention will be further described with reference to fig. 1 to 6.

A cam yarn cutting device for a glove knitting machine comprises a bottom plate 22, a driving device 4 is arranged on the outer side of the bottom plate 22, the inner side of the bottom plate 22 is rotatably connected with a large gear 5, a power shaft of the driving device 4 is sequentially connected with a V-shaped swing rod 11 and a small gear 1, the small gear 1 is engaged with the big gear 5, one side of the big gear 5 is provided with a centrifugal wheel which is matched with the V-shaped groove of the V-shaped swing link 11, the other side is fixedly connected with an auxiliary cam 9 and a main cam 8 in sequence, the base plate 22 is provided with a base 3, the base 3 is provided with a groove, a sliding rod 7 is arranged in the groove, an upper roller 15 and a lower roller 16 are respectively arranged at the upper end and the lower end of one side of the sliding rod 7, the upper roller 15 and the lower roller 16 are respectively contacted with the main cam 8 and the auxiliary cam 9, and one end, far away from the bottom plate 22, of the base 3 is connected with a cover plate 6. The upper end of the sliding rod 7 is connected with a yarn cutting device, the upper end of the V-shaped swing rod 11 is connected with a yarn grabbing device, and the driving device 4 is a motor. When the yarn grabbing device works, the motor runs to drive the large gear 5 meshed with the small gear 1 on the power shaft of the motor to rotate, and the centrifugal wheel, one side of the large gear 5 and the V-shaped swing rod 11 are matched, rotates to swing the V-shaped swing rod 11 up and down, so that the yarn grabbing device connected with the yarn grabbing device runs. Meanwhile, the large gear 5 rotates to drive the main cam 8 and the auxiliary cam 9 to rotate, the main cam 8 drives the sliding rod 7 to move upwards through the upper idler wheel 15, the auxiliary cam 9 drives the sliding rod 7 to move downwards through the lower idler wheel 16, the up-and-down swinging of the sliding rod 7 is achieved, and therefore the operation of a yarn cutting device connected to the upper end of the sliding rod 7 is achieved. When the yarn cutting machine works, the V-shaped swing rod 11 hooks yarns, the slide rod 7 is opened to prepare for yarn cutting while the V-shaped swing rod 11 hooks yarns, and when the V-shaped swing rod 11 finishes hooking yarns, the slide rod 7 cuts yarns. The utility model discloses simple compactness, small in size, the running noise is little, and is longe-lived, can greatly improve the economic benefits of enterprise.

In this embodiment, the main cam 8 and the sub cam 9 are preferably conjugate cams.

Preferably, in this embodiment, the large gear 5, the main cam 8, and the auxiliary cam 9 are rotatably connected to the bottom plate 22 through a pin 14, and the three are connected to the bottom plate 22 through the pin 14, so as to ensure synchronous rotation.

In the preferred embodiment, the main cam 8 and the auxiliary cam 9 are fixed on the gearwheel 5 through bolts 17, spacers 10 are arranged between the auxiliary cam 9 and the gearwheel 5, and the auxiliary cam 9 and the gearwheel 5 are separated by the spacers 10, so that mutual friction damage is avoided.

Preferably, the diameters of the two ends of the pin shaft 14 are smaller than the diameter of the middle of the pin shaft, the two ends of the pin shaft are respectively installed on the bottom plate 22 and the cover plate 6 through the flange bearings 13, the flange faces of the bearings at the two ends face inwards and lean against the shaft shoulder, and the steps of the outer ring of the bearing are respectively installed on the bottom plate 22 and the cover plate 6.

In this embodiment, preferably, the two ends of the pin shaft 14 are both provided with snap springs 12, the two ends of the pin shaft 14 are provided with snap springs 12, and the main cam 8, the auxiliary cam 9 and the large gear 5 are combined between the two snap springs 12 to prevent the axial movement along the pin shaft 14.

Preferably, the slide bar 7 is Y-shaped, a long hole 18 is formed in the middle of the slide bar 7, the upper roller 15 and the lower roller 16 are arranged in a staggered and offset manner, the slide bar 7 is Y-shaped, the long hole 18 is formed in the middle of the slide bar 7, a pulley seat is arranged at the lower end of the slide bar 7, the lower roller 16 is arranged on the pulley seat and staggered with the main cam 8, the upper roller 15 and the lower roller 16 are arranged in an offset manner, the upper roller 15 is in contact with the main cam 8 on the left side, and the lower roller 16 is in contact with the auxiliary. When the device works, the main cam 8 drives the upper roller 15 to enable the sliding rod 7 to push upwards, the auxiliary cam 9 drives the lower roller 16 to enable the sliding rod 7 to press downwards, and the up-and-down swinging of the sliding rod 7 is achieved in a circulating reciprocating mode.

In this embodiment, preferably, the V-shaped swing link 11 is disposed between the bottom plate 22 and the bull gear 5, and the bottom end of the V-shaped swing link is provided with a mounting hole and is mounted on a power shaft of the driving device 4 through a bearing.

In the preferred embodiment, the main cam 8, the auxiliary cam 9, the large gear 5, the small gear 1, the bottom plate 22, the cover plate 6 and the sliding rod 7 are all of the same thickness, and the materials with the same thickness are adopted for all the parts, so that the material selection is simplified, and the part processing is facilitated.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a yarn device is cut to cam for glove knitting machine which characterized by: the improved structure of the motor rotor comprises a base plate, the outside of bottom plate is equipped with drive arrangement, the inboard of bottom plate is rotated and is connected with the gear wheel, V-arrangement pendulum rod and pinion have connected gradually on drive arrangement's the power shaft, the pinion with gear wheel engagement, one side of gear wheel be equipped with the V-arrangement groove complex centrifugal wheel of V-arrangement pendulum rod, opposite side fixedly connected with auxiliary cam and main cam in proper order, be equipped with the base on the bottom plate, be equipped with the recess on the base, be equipped with the slide bar in the recess, both ends are equipped with gyro wheel and lower roller respectively about slide bar one side, go up gyro wheel and lower roller respectively with main cam and auxiliary cam contact, the base is kept away from the one end of bottom.

2. The cam yarn cutting device for glove knitting machines as claimed in claim 1, wherein: the main cam and the auxiliary cam are conjugate cams.

3. The cam yarn cutting device for glove knitting machines as claimed in claim 2, wherein: the bull gear, the main cam and the auxiliary cam are rotationally connected with the bottom plate through pin shafts.

4. The cam yarn cutting device for glove knitting machines as claimed in claim 3, wherein: the main cam and the auxiliary cam are fixed on the large gear through bolts, and a spacer is arranged between the auxiliary cam and the large gear.

5. The cam yarn cutting device for glove knitting machines as claimed in claim 3, wherein: the diameters of two ends of the pin shaft are smaller than that of the middle of the pin shaft, and the two ends of the pin shaft are respectively arranged on the bottom plate and the cover plate through flange bearings.

6. The cam yarn cutting device for glove knitting machines as claimed in claim 5, wherein: and clamp springs are arranged at two ends of the pin shaft.

7. The cam yarn cutting device for glove knitting machines as claimed in claim 1, wherein: the slide bar is Y-shaped, a long hole is formed in the middle of the slide bar, and the upper idler wheel and the lower idler wheel are arranged in a staggered and offset mode.

8. The cam yarn cutting device for glove knitting machines as claimed in claim 1, wherein: the V-shaped swing rod is arranged between the bottom plate and the large gear, a mounting hole is formed in the bottom end of the V-shaped swing rod, and the V-shaped swing rod is mounted on a power shaft of the driving device through a bearing.

9. The cam yarn cutting device for glove knitting machine as claimed in any one of claims 1 to 8, wherein: the main cam, the auxiliary cam, the large gear, the small gear, the bottom plate, the cover plate and the slide rod are all of the same thickness.