CN210916501U

CN210916501U - Thread cutting device of knitting glove knitting machine

Info

Publication number: CN210916501U
Application number: CN201921570177.XU
Authority: CN
Inventors: 蒋德银; 陈元松
Original assignee: Jinhua Kete Precision Machinery Co ltd
Current assignee: Jinhua Kete Precision Machinery Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-07-03
Anticipated expiration: 2029-09-23

Abstract

The utility model provides a thread trimming device of knitting glove knitting machine. The thread trimming device comprises a moving seat and a driving device, wherein a scissor device and a crochet hook device are further fixed on the moving seat, the driving device comprises a fixed plate, a transmission shaft, a transmission gear, a push-pull rod I and a cam, the fixed plate is fixed with the moving seat, a motor is arranged on the fixed plate, a driving gear is fixed on a motor main shaft, the fixed plate and the moving seat are connected at two ends of the transmission shaft, the transmission gear, the push-pull rod I and the cam are sequentially fixed on the transmission shaft, the transmission gear is meshed with a power gear, annular grooves are respectively arranged at two sides of the cam, a chute for inserting the scissor device is arranged at the top of the push-pull rod I, a pin shaft I inserted in the annular groove is arranged at the bottom of the push-pull rod I, a rotating shaft is fixed at the left side of the crochet hook device, a gear is, the scissors device and the crochet hook device work.

Description

Thread cutting device of knitting glove knitting machine

Technical Field

The utility model relates to a knitting glove machine accessory, specific trimming device of knitting glove machine that says so.

Background

The thread cutting device of the existing knitting glove knitting machine comprises two parallel slide bars, a moving seat and a driving device, wherein two ends of the two parallel slide bars are movably fixed at two ends above a machine frame, a clamping groove is formed in each of the two parallel slide bars along the axial direction of the slide bar, the moving seat is arranged on the two parallel slide bars, a crochet hook device and a scissors device are further arranged on the moving seat, the crochet hook device comprises a crochet hook arranged in a crochet hook groove of the moving seat and a pin shaft vertically fixed on the crochet hook, the scissors device comprises a fixed blade fixed on the scissors seat and a movable blade hinged with the fixed blade through a rotating shaft, a positioning pin is fixed on the rotating shaft and perpendicular to the rotating shaft at the other end of the rotating shaft, which is not fixed with the movable blade, a rotating rod is sleeved on each of the two parallel slide bars, a slide bar connecting hole is formed in one end of each rotating rod, and a clamping key protrudes, the thread shearing device is characterized in that a clamping key in a connecting hole of the rotating rod is clamped in a clamping groove of the parallel sliding rod, the two rotating rods are driven to rotate along with the rotating rod by rotating the two parallel sliding rods, the other ends of the two rotating rods after rotating respectively push a pin shaft of a hook needle device to enable a hook needle to move up and down along a hook needle groove of the movable seat, and push a positioning pin of the scissors device to rotate, the rotating shaft is driven to rotate by the positioning pin, a movable blade fixed on the rotating shaft rotates along with the rotating shaft and folds with a fixed blade to shear threads, a driving device for driving the two parallel sliding rods to rotate by the existing glove knitting machine is respectively composed of two groups of motors, two cams and two pull rods which are arranged on a machine frame, the thread shearing device respectively drives the scissors device and the hook needle device by the two groups of driving devices to have poor coordination, and the rotating rod is driven to rotate by the matching, the knitting glove knitting machine has unstable quality and needs to be repaired frequently.

SUMMERY OF THE UTILITY MODEL

In view of the defect that the thread trimming device of the existing knitting glove knitting machine exists, the utility model aims to solve the technical problem that: provided is a thread cutting device in which a driving thread cutting device and a looper device are more compatible with each other.

In order to achieve the above object, according to one aspect of the present invention, the present invention is realized by the following technical measures: a thread cutting device of a knitting glove knitting machine comprises:

the movable seat is inserted on a sliding rod of the knitting glove knitting machine and can move back and forth along the sliding rod by being pushed by the pushing device,

the movable seat is used for fixing the driving device, the scissors device and the crochet hook device,

the driving device comprises a fixed plate, a transmission shaft, a transmission gear, a push-pull rod I and a cam, wherein the fixed plate is fixed with the moving seat, a motor is arranged on the fixed plate, a main shaft of the motor penetrates through the fixed plate and is fixed with the driving gear, bearings are fixed at two ends of the transmission shaft, the transmission shaft is connected with the fixed plate and the moving seat, the transmission gear, the push-pull rod I and the cam are sequentially fixed on the transmission shaft, the transmission gear is meshed with the power gear, annular grooves are formed in two sides of the cam, an inclined groove, a strip-shaped through hole and a pin shaft I are sequentially arranged on the push-pull rod I, the pin shaft I is clamped in the annular groove opposite to the push-pull rod I, the strip-,

the bottom of the scissors device is fixedly provided with a rotating shaft I, the rotating shaft is fixed with a positioning pin, the other side of the positioning pin is a ball head and is clamped in the chute, the rotating shaft I penetrates through the scissors fixing part of the moving seat to enable the scissors device to be positioned at the top of the scissors fixing part, the positioning pin is positioned at the bottom of the scissors fixing part, the movable blade of the scissors device is enabled to rotate along with the scissors device through the rotation of the rotating shaft I,

the crochet hook device comprises a crochet hook and a push-pull rod II, the crochet hook is inserted in a crochet hook groove formed in the movable seat, the crochet hook is fixed to one side of a swing arm, the other side of the swing arm is fixed to the rotating shaft II, a pin shaft II is fixed to one side of the push-pull rod II and inserted in another annular groove, a strip-shaped through hole for penetrating and connecting a transmission shaft is formed in the push-pull rod II, a rack is further arranged at the top of the push-pull rod II, which is not provided with one side of the pin shaft II, and the rack is meshed with a gear.

According to the thread shearing device of the knitting glove machine, the motor drives the cam to rotate, the annular grooves on two sides of the cam simultaneously drive the pin shaft I and the pin shaft II, the push-pull rod I and the push-pull rod II move simultaneously, and the crochet hook is matched with the scissors device to shear threads.

Furthermore, the push-pull rod I and the push-pull rod II are both provided with fixing bolts fixed with the movable seat, and the push-pull rod I and the push-pull rod II at the positions of the fixing bolts are also both provided with strip-shaped through holes. The design is to fix the push-pull rod I and the push-pull rod II more firmly without influencing the movement of the push-pull rod I and the push-pull rod II.

Furthermore, still be fixed with the crochet hook apron on the removal seat, the crochet hook apron is used for constituting spacingly, prevents that it breaks away from out of the crochet hook groove.

Furthermore, a gear on the rotating shaft II is provided with clamping teeth only on one side.

Furthermore, a U-shaped bayonet is formed in one side of the swing arm, and the U-shaped bayonet is connected with the crochet hook through a pin shaft III. The design structure is reasonable, and the crochet hook can move up and down conveniently.

Compared with the prior art, the utility model has the advantages of: the cam is driven to rotate by the motor, so that the scissors device and the crochet hook device can work simultaneously, the harmony of the whole thread cutting process is good, and meanwhile, the clamping grooves are not required to be arranged on the two parallel sliding rods, the two parallel sliding rods are not required to be movably fixed with the rack, the pull rod is not required to pull the parallel sliding rods to rotate, and the quality of the knitting glove knitting machine is more stable.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 is a schematic view of the parts of a thread cutting device of a knitting glove knitting machine according to the present invention.

Description of reference numerals: 1. a movable seat; 2. a scissors fixing part; 3. a rotating shaft through hole I; 4. a through hole of the sliding rod; 5. a motor; 6. a fixing plate; 7. a drive gear; 8. a transmission gear; 9. a drive shaft; 10. a push-pull rod I; 11. a pin shaft I; 12. fixing a bolt I; 13. a push-pull rod II; 14. a pin shaft II; 15. fixing a bolt II; 16. a gear; 17. a rotating shaft II; 18. a cam; 19. positioning pins; 20. a rotating shaft I; 21. a scissor seat; 22. fixing a blade; 23. a movable blade; 24. an annular groove; 25. a strip-shaped through hole; 26. a chute; 27. swinging arms; 28. a pin shaft III; 29. hooking a needle; 30. a rack; 31. a U-shaped bayonet; 32. a crochet hook groove; 33. a crochet hook cover plate.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", 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 simplicity of description, and 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.

Example 1

Referring to fig. 1, the thread trimming device of the glove knitting machine according to the present embodiment includes a moving seat 1, a driving device, a scissors device and a crochet hook device;

the movable seat 1 is an irregular cuboid iron block, the movable seat 1 is inserted on a sliding rod of the knitting glove knitting machine and can move back and forth along the sliding rod through pushing of a pushing device, a 7-shaped scissors fixing part 2 extends from the upper end of the movable seat 1, a cross rod of the scissors fixing part 2 is provided with a rotating shaft through hole I3 penetrating through the upper side and the lower side of the cross rod, and the right end of the rear side of the movable seat 1 is provided with a hook groove 32 from bottom to top;

the driving device comprises a motor 5, a fixed plate 6, a driving gear 7, a transmission gear 8, a transmission shaft 9, a push-pull rod I10, a pin shaft I11, a fixed bolt I12, a push-pull rod II 13, a pin shaft II 14, a fixed bolt II 15, a gear 16, a rotating shaft II 17 and a cam 18, wherein the fixed plate 6 is fixed at the right end of the motor 5, the driving gear 7 is connected to the driving shaft of the motor 5 after penetrating through the fixed plate 6, two ends of the transmission shaft 9 are fixed on the fixed plate 6 and the movable seat 1 through bearings, the transmission gear 8 is fixed at one end of the transmission shaft 9 connected with the fixed plate 6 and meshed with the driving gear 7 below the transmission gear 8, the cam 18 is fixed on the transmission shaft 9 between the transmission gear 8 and the movable seat 1, annular grooves 24 are formed in the left side surface and the right side surface of the cam 18, the driving gear 7 is clamped in a semi-frame-shaped groove at the motor fixing part of the moving seat 1, the middle part and the lower end of the push-pull rod I10 are respectively provided with a strip-shaped through hole 25, the lower end of the push-pull rod I10 is also fixedly provided with a pin shaft I11, the right side of the upper end of the push-pull rod I10 is provided with a chute 26, the strip-shaped through hole 25 at the middle part of the push-pull rod I10 is movably fixed at the left side of the moving seat 1 through a fixing bolt I12, the strip-shaped through hole 25 at the lower end of the push-pull rod I10 is sleeved on a transmission shaft 9 between the driving gear 8 and the cam 18, the right end of the pin shaft I11 is inserted in an annular groove 24 at the left side of the cam 18, the push-pull rod I10 can be pushed to move up and down through the rotation of the cam 18, the strip-shaped through hole 25 is respectively arranged at the front end and the, a strip-shaped through hole 25 at the front end of the push-pull rod II 13 is movably fixed on the movable seat 1 through a fixing bolt II 15, the strip-shaped through hole 25 at the front end of the push-pull rod II 13 is sleeved on the transmission shaft 9 between the cam 18 and the movable seat 1 and is pushed by a pin shaft II 14 and an annular groove 24 of the cam 18 in a matching manner, so that the push-pull rod II 13 can move back and forth along the movable seat 1, the rotating shaft II 17 penetrates through the movable seat 1, two ends of the rotating shaft II 17 extend out of the movable seat 1 and then are respectively connected and fixed with a gear 16 and a swing arm 27, and the gear 16 is arranged on a rack 30 of the push-pull rod II 13 and is meshed;

the scissors device comprises a positioning pin 19, a rotating shaft I20, a scissors seat 21, a fixed blade 22 and a movable blade 23, wherein the scissors seat 21 is fixed on a scissors fixing part 2 at the upper end of a movable seat 1, the fixed blade 22 is fixed on the scissors seat 21, the movable blade 23 is fixed at the top of the rotating shaft I20, the bottom of the rotating shaft I20 penetrates through a rotating shaft through hole I3 of the fixed blade 22, the scissors seat 21 and the scissors fixing part 2 of the movable seat 1 and then is vertically connected with the positioning pin 19, the left end of the positioning pin 19 is clamped in a chute 26 in a ball head shape, the chute 26 at the upper end of a push-pull rod I10 forces the positioning pin 19 to rotate, the positioning pin 19 simultaneously enables the rotating shaft I20 to rotate, and the rotating shaft I20 drives;

the crochet hook device comprises a swing arm 27, a pin shaft III 28 and a crochet hook 29, the crochet hook 29 is clamped in a crochet hook groove 32 of the movable seat 1, a fixing part is preferably arranged in the middle of the crochet hook 29 and extends towards the crochet hook groove 32, the pin shaft III 28 is fixed on the fixing part, meanwhile, the crochet hook groove 32 is sealed by a crochet hook cover plate 33, but a notch in the opening of the crochet hook cover plate 33 is used for the pin shaft III 28 to move up and down, the front end of the swing arm 27 is connected with the right end of a rotating shaft II 17, a U-shaped bayonet 31 is arranged at the rear end of the swing arm 27, the U-shaped bayonet 31 is movably clamped on the pin shaft III 28 of the crochet hook 29, and the crochet hook 29 can be pushed to.

After the structure is adopted, when the knitting glove knitting machine cuts threads, the moving seat moves back and forth to the thread cutting position along the left and right sides of the two parallel sliding rods through the pushing device, then the driving gear, the transmission gear and the transmission shaft of the motor of the driving device push the cam to rotate, the annular grooves on the two sides of the cam respectively push the pin shafts I and II on the push-pull rod I and the push-pull rod II, so that the push-pull rod II moves backwards to push the gear and the rotating shaft II to rotate, the rotating shaft II pushes the swing arm to rotate, the swing arm pushes the crochet needle to move upwards to hook the threads, so that the threads enter a scissor opening between the fixed blade and the movable blade of the scissor device, the push-pull rod I of the scissor device moves upwards, the chute on the upper end of the push-pull rod I pushes the rotating shaft I to rotate, the rotating shaft I pushes the movable blade to fold with the scissors device and cut, the two motors and the two cams are not needed to respectively push the scissors device and the crochet hook device, the structure and the manufacturing cost are greatly simplified, and meanwhile, as clamping grooves are not needed to be arranged on the two parallel slide bars, the two parallel slide bars are not needed to be movably fixed with the rack, and a pull rod is not needed to pull the parallel slide bars to rotate, the quality of the knitting glove knitting machine is more stable.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various changes and modifications may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A thread trimming device of a knitting glove knitting machine is characterized by comprising:

2. The thread trimming device for knitting glove knitting machines as claimed in claim 1, wherein the push-pull rod I and the push-pull rod II are provided with fixing bolts fixed to the movable base, and the push-pull rod I and the push-pull rod II at the fixing bolts are provided with strip-shaped through holes.

3. The thread trimming device for knitting glove knitting machines according to claim 1 or 2, wherein a crochet hook cover plate is further fixed on the moving seat and used for limiting the formation and preventing the crochet hook cover plate from being separated from the crochet hook groove.

4. The thread trimming device for knitting glove knitting machine as claimed in claim 1, wherein the gear on the shaft ii is provided with a latch only on one side.

5. The thread trimming device for knitting glove knitting machines as claimed in claim 1, wherein a U-shaped bayonet is formed at one side of the swing arm, and the U-shaped bayonet is connected with the crochet needle through a pin III.