TW201422864A - Circular knitting machine - Google Patents

Abstract

The utility model relates to a circular knitting machine push-pull device, which comprises a set of connecting parts, wherein a pair of perforations provided on the sleeve member respectively wear a fixing seat and a friction wheel set, and the fixing seat is provided with an abutting wheel The set is connected between the friction wheel set and the abutting wheel set by an elastic abutting assembly. The invention adopts a design of one of the friction wheel sets through a transmission ring to directly drive one of the abutting wheel sets to rotate the push wheel, in addition to greatly reducing the noise generated by the friction between the components during the transmission process, The friction wheel can be easily replaced, so that the production speed can be increased, the material cost can be saved, and the friction wheel can be pressed against the transmission ring by the elastic abutment assembly, thereby ensuring the friction wheel and the abutment wheel. The transmission effect between the two.

Description

Circular knitting machine

The invention is a circular knitting machine push-pull device which is simple in structure and can be easily repaired.

A woven bag for containing items such as feed, fertilizer, rice, flour, grain, etc., which is mainly made of plastic cloth and is made by a circular knitting machine.

Referring to FIG. 5, in general, a circular knitting machine mainly has a turntable 71, a track plate 72, a track 73, a plurality of drive shuttles 74, a plurality of prior art shuttle devices 75, and a plurality of thrusters 76. The track plate 72 is disposed around the turntable 73. The track plate 72 is provided with warp yarns 721. The track 73 is disposed between the turntable 71 and the track plate 72. The drive shuttles 74 are spaced and slidably disposed on the track pad 72. The drive shuttles 74 are provided with weft yarns. The shuttle shuttle devices 75 of the prior art are spaced and circumferentially fixed to the periphery of the turntable 71. The pushing device 75 is provided with an abutting wheel 751 and a friction wheel 752. The abutting wheel 751 of each pushing device 75 abuts against the pushing wheel 741 provided on the rear side of the corresponding driving shuttle 74, and the friction The wheel 752 is abutted on the rail 73, and the friction wheel 752 and the abutting wheel 751 are mutually driven by meshing and connecting gears 753. The impellers 76 are arranged at intervals and surround the periphery of the turntable 71. Each of the thrusters 76 abuts against the front side of the corresponding drive shuttle 74.

When the turntable 71 drives the shuttle device 75 to rotate, the abutment wheel 751 of the shuttle device 75 abuts and pushes the corresponding drive shuttle 74 on the track. Rotating on the disk 72, the friction wheel 751 of the shuttle device 75 rolls around the track 73 and drives the abutting wheel 751 to rotate together via the gear 753. The warp yarn 721 provided on the track plate 72 is passed between the abutting wheel 751 and the driven wheel 741, and is woven with the weft yarn released by the drive shuttle 74, thereby cross-weaving the warp yarn 721 and the weft yarn. Create a cylindrical bag. Thereafter, when the turntable 71 stops rotating, the drive shuttle 74 can be stopped by the stopper 76 abutting against the front side of the drive shuttle 74 to prevent the drive shuttle 74 from continuing along the track plate 72 due to inertia. Revolve around.

However, since the friction wheel 752 of the above-mentioned prior art shuttle device 75 drives the abutment wheel 751 by the gear 753, the meshing teeth of the gear 753 tend to wear each other during the mutual transmission, so that not only will the The noise increase when the gear 753 is driven increases, and the friction wheel 752 cannot smoothly drive the abutment wheel 751, so that the knitting motion cannot be smoothly performed. Furthermore, although the shuttle device 75 can be detached to replace the gear 753 when there is mutual wear between the gears, the structure of the prior art shuttle device 75 is complicated, and the material cost of the gear 753 is also high, so in terms of maintenance. The cost is often high.

In view of the problems of the prior art described above, it is an object of the present invention to provide a circular knitting machine shuttle device which is simple in structure, easy to maintain, and low in maintenance and material cost.

In order to achieve the above object, the technical means utilized by the present invention is such that a circular knitting machine push-pull device comprises: a fixing base, a set of rods is protruded at a front end; and a set of joints is formed with an interval therebetween. First perforation and a second The first perforation sleeve is sleeved with the sleeve of the fixing seat; an anti-pushing wheel set is sleeved with the sleeve of the fixing seat and includes an abutting wheel and a transmission ring, the anti-pushing wheel system is rotatably The sleeve is disposed on the sleeve, and a sleeve is disposed at a rear end surface thereof, the sleeve surrounds the sleeve, and the transmission ring is rotatably sleeved on the sleeve, one of the transmission rings The front end and the sleeve of the abutting wheel are sleeved and fixed to each other; a friction wheel set is mounted between the second perforations of the socket, the friction wheel set comprises a shaft member and a friction wheel, the shaft member A main shaft portion and an eccentric shaft portion are respectively protruded from the two ends, and the main rod portion is rotatably pivoted in the second through hole of the sleeve member, and one central axis of the eccentric shaft portion and the main rod portion One of the center shafts is not located on the same axis, and the friction wheel is rotatably sleeved on the eccentric shaft portion of the shaft member, and the friction wheel corresponds to the transmission ring.

The circular knitting machine shuttle device may further include an elastic abutting assembly, the elastic abutting assembly comprising a connecting block and an elastic member, the connecting block having a fixing end and an extending end, the fixing end is non-rotatable The grounding member and the sleeve rod are fixed to each other, and the two ends of the elastic member are respectively connected to the extending end of the connecting block and the main rod portion of the shaft member, and the elastic member pulls the shaft member to make the eccentric shaft portion of the shaft member The friction wheel is continuously pressed against the transmission ring.

The urging wheel set may further include a spacer ring sleeved on the sleeve and located between the transmission ring and the socket.

A bearing is disposed between the abutting wheel and the sleeve rod, a bearing is disposed between the transmission ring and the sleeve rod, a bearing is disposed between the sleeve member and the sleeve rod, and the main rod portion and the sleeve portion of the shaft member are sleeved A bearing is disposed between the members, and a bearing is disposed between the friction wheel and the eccentric shaft portion of the shaft member.

A fixing member is respectively fixed at a free end of the main shaft portion of the shaft member and the extending end of the connecting block, and two ends of the elastic member are respectively sleeved on the two fixing members.

The invention has the advantages that the design of the anti-pushing wheel is directly driven by the friction wheel through the transmission ring, in addition to greatly reducing the noise generated by the friction of the components during the transmission process, the material cost of the friction wheel 42 is higher than that of the gear. It is low and can be replaced without disassembling the push-pull device, so that the production speed can be further increased, the material cost can be saved, and the elastic element will be pulled as the friction wheel gradually wears under long-term use. The shaft member is coupled with the design that the eccentric shaft portion of the shaft member and the central shaft of the main rod portion are not on the same axis, so that the friction wheel can be pressed against the transmission ring at any time to ensure the friction wheel and the thrust The transmission effect between the wheels.

The technical means adopted by the present invention for achieving the intended purpose of the invention are further described below in conjunction with the drawings and preferred embodiments of the invention.

Referring to Figures 1 and 2, the circular knitting machine shuttle device of the present invention comprises a fixing base 10, a set of connecting members 20, an anti-pushing wheel set 30, a friction wheel set 40 and an elastic abutment assembly 50.

Referring to FIG. 3, the fixing base 10 is fixed on a turntable of the circular knitting machine, and a set of rods 11 is protruded from a front end of the fixing base 10.

A first through hole 21 and a second through hole 22 are formed in the sleeve 20 so as to be axially parallel to each other, and the sleeve 11 of the fixing seat 10 is sleeved by the first through hole 21 .

Referring to FIG. 4, the anti-pushing wheel set 30 is sleeved with the fixing base 10 The sleeve 11 includes an urging wheel 31, a transmission ring 32, a spacer ring 33 and a plurality of bearings 34. The urging wheel 31 is rotatably sleeved on the sleeve rod 11. A sleeve 311 is disposed at a rear end surface of the urging wheel 31. The sleeve 311 surrounds the sleeve rod 11. The transmission ring 32 is rotatably sleeved on the sleeve rod 11 and located between the abutment wheel 31 and the sleeve member 20, and a front end of the transmission ring 32 and a sleeve 311 of the abutment wheel 31 The sleeves are fixed to each other such that the abutment wheel 31 and the transmission ring 32 can interlock with each other. The spacer ring 33 is sleeved on the sleeve 11 and located between the transmission ring 32 and the sleeve 20 . The bearing 34 is respectively disposed between the abutting wheel 31 and the sleeve rod 11 , between the transmission ring 32 and the sleeve rod 11 , and between the sleeve member 20 and the sleeve rod 11 , so that the abutment wheel 31. The transmission ring 32 and the socket 20 are smoothly rotatable relative to the sleeve 11.

The friction wheel set 40 is disposed between the second through holes 22 of the socket member 20. The friction wheel set 40 includes a shaft member 41, a friction wheel 42 and a plurality of bearings 43. A main shaft portion 411 and an eccentric shaft portion 413 are respectively protruded from the two ends of the shaft member 41. The main rod portion 411 is rotatably pivoted in the second through hole 22 of the sleeve member 20, and the eccentric shaft One of the central axes 414 of the portion 413 is not on the same axis as the central axis 412 of the main stem portion 411, that is, the central axis 414 of the eccentric shaft portion 413 is offset from the central axis 412 of the main stem portion 411. One side of the central axis 412 of the main rod portion 411. The friction wheel 42 is rotatably sleeved on the eccentric shaft portion 413 of the shaft member 41 , and the friction wheel 42 correspondingly abuts against the transmission ring 32 . The bearing 43 is respectively disposed between the main rod portion 411 of the shaft member 41 and the socket member 20 and between the friction wheel 42 and the eccentric shaft portion 413 of the shaft member 41, so that the main shaft portion of the shaft member 41 The 411 can smoothly rotate relative to the socket 20, and the friction wheel 42 can also smoothly The eccentric shaft portion 413 of the shaft member 41 rotates.

The elastic abutment assembly 50 includes a connecting block 51 and a resilient member 52. The connecting block 51 is an elongated block having a fixing end 511 and an extending end 512. The fixing end 511 is non-rotatably fixed to the sleeve 11 and is disposed on the sleeve. 20 is between the front end of the holder 10. The elastic member 52 is a tension spring, and the two ends thereof are respectively connected to the extending end 512 of the connecting block 51 and the main rod portion 411 of the shaft member 41. In a natural state, the elastic restoring force of the elastic member 52 causes the elastic member 52 to be elastically restored. The elastic member 52 pulls the shaft member 41 to continuously press the friction wheel 42 provided on the eccentric shaft portion 413 of the shaft member 41 against the transmission ring 32, so that when the friction wheel 42 rotates, the transmission ring can be driven. 32 rotates with the thrust wheel 31.

In the embodiment of the present invention, a through hole 513 is formed in the fixing end 511 of the connecting block 51, and the connecting block 51 is sleeved on the sleeve 11 in a non-rotatable manner; A fixing member 53 is respectively fixed at a free end of the main shaft portion 411 of the shaft member 41 and the extending end 512 of the connecting block 51. The two ends of the elastic member 52 are respectively sleeved on the two fixing members 53. In order to achieve the purpose of connecting the two ends of the elastic member 52 to the extended end 512 of the connecting block 51 and the main rod portion 411 of the shaft member 41.

The circular knitting machine shuttle device of the present invention directly drives the rotation of the pushing wheel 31 by the friction ring 42 via the transmission ring 32, in addition to greatly reducing the noise generated by the friction of the components during the transmission process, due to the friction wheel 42 The material cost is lower than that of the gear, and the push-pull device can be replaced without being disassembled, so that the production speed can be further increased and the material cost can be saved. Moreover, as the friction wheel 42 is used under a long period of time, the friction wheel 42 is gradually used. Wear, the elastic element The member 52 pulls the shaft member 41, and the eccentric shaft portion 413 of the shaft member 41 and the central axes 414, 412 of the main rod portion 411 are not located on the same axis, so that the friction wheel 42 can be pressed at any time. The transmission effect between the friction wheel 42 and the abutment wheel 31 is ensured by the transmission ring 32.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The present invention has been described above by way of preferred embodiments, but is not intended to limit the present invention, and any skilled person skilled in the art. Any simple modifications, equivalent changes and modifications to the above embodiments in accordance with the technical spirit of the present invention are still within the scope of the technical solutions of the present invention.

10‧‧‧ Fixed seat

11‧‧‧ Set rod

20‧‧‧ Sockets

21‧‧‧First perforation

22‧‧‧Second perforation

30‧‧‧Round wheel set

31‧‧‧Induction wheel

311‧‧‧ sleeve

32‧‧‧Drive ring

33‧‧‧ spacer ring

34‧‧‧ bearing

40‧‧‧friction wheel set

41‧‧‧ shaft parts

411‧‧‧ main pole

412‧‧‧ center axis

413‧‧‧Eccentric shaft

414‧‧‧ center axis

42‧‧‧ friction wheel

43‧‧‧ bearing

50‧‧‧Flexible assembly

51‧‧‧Connection block

511‧‧‧Fixed end

512‧‧‧Extension

513‧‧‧through hole

52‧‧‧Flexible components

53‧‧‧Fixed parts

71‧‧‧ Turntable

72‧‧‧track disk

721‧‧‧ warp

73‧‧‧ Track

74‧‧‧ drive shuttle

741‧‧‧Pushing wheel

75‧‧‧ Shuttle device

751‧‧‧Inferion wheel

752‧‧‧friction wheel

753‧‧‧ Gears

76‧‧‧Rejector

Figure 1 is a perspective view of the present invention.

Figure 2 is another perspective view of the present invention.

Figure 3 is a perspective exploded view of the present invention.

Figure 4 is a bottom plan view of the present invention.

Fig. 5 is a partial perspective structural view of a prior art circular knitting machine.

10‧‧‧ Fixed seat

20‧‧‧ Sockets

30‧‧‧Round wheel set

31‧‧‧Induction wheel

32‧‧‧Drive ring

40‧‧‧friction wheel set

42‧‧‧ friction wheel

50‧‧‧Flexible assembly

51‧‧‧Connection block

52‧‧‧Flexible components

53‧‧‧Fixed parts

Claims (6)

The utility model relates to a circular knitting machine push-pull device, which comprises a fixing seat, a set of connecting pieces, an anti-pushing wheel set and a friction wheel set, wherein: a set of rods protrudes from a front end of the fixing seat; the connecting piece a first through hole and a second through hole are formed in the upper interval, the first through hole sleeves the sleeve of the fixing seat; the pressing wheel set sleeves the sleeve of the fixing seat and includes an abutting wheel and a transmission ring The yoke wheel is rotatably sleeved on the sleeve rod, and a sleeve is disposed at a rear end surface of the urging wheel, the sleeve surrounds the sleeve rod, and the transmission ring is rotatably sleeved on the sleeve a front end of the transmission ring and a sleeve of the abutting wheel are sleeved and fixed to each other; the friction wheel is assembled between the second perforations of the socket, the friction wheel set includes a shaft member and a friction wheel A main shaft portion and an eccentric shaft portion are respectively protruded from the two ends of the shaft member, and the main rod portion is rotatably pivoted in the second through hole of the sleeve member, and one central axis of the eccentric shaft portion The central axis of one of the main rod portions is not on the same axis, and the friction wheel system is rotatably sleeved on the eccentric shaft of the shaft member On, and the friction wheel against the corresponding to the transmission ring. The circular knitting machine shuttle device of claim 1, further comprising an elastic abutting assembly, the elastic abutting assembly comprising a connecting block and an elastic member, the connecting block having a fixed end and an extended end, The fixing end is non-rotatably fixed to the sleeve, and the two ends of the elastic member are respectively connected to the extending end of the connecting block and the main rod portion of the shaft member, and the elastic member pulls the shaft member to The friction wheel provided on the eccentric shaft portion of the shaft member is continuously pressed against the transmission ring. The circular knitting machine shuttle device according to claim 1, wherein the abutting wheel The set further includes a spacer ring sleeved over the sleeve and located between the transmission ring and the socket. The circular knitting machine shuttle device of claim 2, wherein the urging wheel set further comprises a spacer ring sleeved on the sleeve and located between the transmission ring and the socket. The circular knitting machine push-pull device according to any one of claims 1 to 4, wherein a bearing is disposed between the abutting wheel and the sleeve, and a bearing and the sleeve are disposed between the transmission ring and the sleeve A bearing is disposed between the connecting member and the sleeve, a bearing is disposed between the main rod portion of the shaft member and the socket member, and a bearing is disposed between the friction wheel and the eccentric shaft portion of the shaft member. The circular knitting machine push-pull device of claim 5, wherein a fixing member is respectively fixed at a free end of the main rod portion of the shaft member and an extended end of the connecting block, and the two ends of the elastic member are respectively sleeved Connected to the two fixing members.