CN201074266Y - Stitch pressing device of computer flat knitting machine - Google Patents

Abstract

Disclosed is a tip end pin mechanism of a computer horizontal waving machine. The utility model is provided with a base board, two groups of lugs are disposed at the bottom of one side surface of the base board, a pivot shaft is mutually inserted into the two lugs, and the pivot shaft also inserts into an operation rod, a connecting rod and a tip end board. The operation rod is disposed between the two lugs, the connecting rod is pivoted at the top portion of the operation rod, and the tip end board is pivoted at the top portion of the connecting rod and can rectilinearly move along the surface of the base board. The both ends of the pivot shaft are respectively equipped with an operation head and a support portion with the same axle with the operation head to insert and pivot on the two lugs. An eccentric rod portion which is correspondingly inserted into the operation rod is mounted between the operation head and the support portion, the lifting of the operation rod can be realized by rotating the pivot shaft, and further the height of the tip end board which is connected with the operation rod is changed. Therefore, when the top portion of the tip end board is worn, the height of the tip end board can be adjusted by rotating the pivot shaft and then the tip end board can be continuously used, thereby the service life can be prolonged. In addition, if the tip end board does not reach the needed size in the time of processing, the tip end board can also be regulated to the demanded height, which reduces unqualified products caused by process.

Description

The pressing foot device of computer flat-bed knitting machine

Technical field

The utility model relates to a kind of knitting equipment, refers to a kind of pressing foot device of computer flat-bed knitting machine especially.

Background technology

Shown in Figure 5 is the front-view schematic diagram of existing computer flat-bed knitting machine 30, it lies in the board top and is provided with a triangle needle-bar 31 that tilts forward and back, on the anteversion and retroversion inclined-plane of needle-bar 31, be respectively equipped with a needle plate 32, other is provided with a head 33 that can move back and forth along needle plate 32, be provided with programme controlled mountain plate in head 33 towards needle plate 32 these sides, with the knitting needle displacement on the programming action control needle plate 32.See also shown in needle plate 32 partial perspective views and Fig. 7 mountain plate 34 upward views of Fig. 6, this needle plate 32 be provided with a plurality of extend up and down roll ditch 320, in respectively rolling ditch 320, be respectively equipped with a knitting needle 36, each knitting needle 36 is provided with an outstanding stitch 360, is controlled displacements by the stitch 360 on these outstanding needle plate 32 surfaces by mountain plate 34.

Two groups of pilot units 35, three binding guide block 37 and two pressing foot devices 40 that lay respectively at pilot unit 35 bottoms that are positioned at two pilot units, 35 root edge sides are installed on these mountain plate 34 bottom surfaces, this pilot unit 35 comprises many guide blocks, the guide pin slot 350 (shown in the direction of arrow among the figure) that passes through with the stitch 360 that constitutes for described knitting needle 36.The pressing foot device 40 that is positioned at pilot unit 35 belows again can push the stitch 360 of knitting needle 36 according to programme-control.

This pressing foot device 40 is as shown in Figure 8, comprise a substrate 41, be fixed in eedle presser that the top board 42 at substrate 41 tops, two can lifting on substrate 41 43, two connecting rod 44 that is hubbed at eedle presser 43 bottoms respectively, two action bars 45 that are hubbed at connecting rod 44 bottoms respectively, this action bars 45 bottoms and place between two lugs 411 that are hubbed at substrate 41 bottoms with a pivot 452, wear for a torque spring 46 on two pivots 452 and respectively, make action bars 45 normalities be subjected to the up power of beat, and then make eedle presser 43 protrude in substrate 41 end faces.

The teat 451 of this action bars 45 is to be subjected to the programme-control operation, when as shown in figure 10 the teat 451 of action bars 45 being suppressed downwards, bar 44 downward beats promptly can be connected, and then it is eedle presser 43 is past drop-down, discharge this press power again, can promote knitting needle 36 so that eedle presser 43 is up passed.

Yet, because eedle presser need arrive predetermined height and can push against knitting needle, each element has its machining tolerance, may make eedle presser exceed (perhaps not reaching) predetermined altitude through the tolerance of being accumulated after the assembling, and the generation defective products, so its precision requirement that adds man-hour is high, to such an extent as to the fraction defective height increases manufacturing cost on foot.

And eedle presser unavoidable generation after using a period of time worn and torn, and can't correctly push knitting needle 36, must be changed.The braiding dealer is except essential burden eedle presser 43 element expenses; whole pressing foot device 40 need be removed when changeing; tear down operations bar 45, connecting rod 44, eedle presser 43 one by one again; after the eedle presser 43 that more renews; assembling is and rather time-consuming one by one again, and the cost that its shutdown is slowed down is also not low.

Therefore, the pressing foot device of existing computer flat-bed knitting machine has further improved necessity.

The utility model content

The utility model is difficult for making for the pressing foot device machining accuracy height that improves above-mentioned existing computer flat-bed knitting machine, and the defective that the time must be changed of wearing and tearing, therefore, main purpose of the present utility model is to provide a kind of height that can adjust eedle presser, with the pressing foot device that significantly reduces fraction defective and increase the service life.

Based on above-mentioned purpose, major technique means of the present utility model system will be placed through an operating head, the support portion that pivot two ends on action bars and the substrate lug are respectively equipped with concentric, to be placed through respectively in substrate two lugs in groups, between operating head and support portion, be provided with one section eccentric rod portion again, this eccentric rod portion axle center and support portion are eccentric shape, and this eccentric rod portion is corresponding being placed through in the action bars.

That is to say, the utility model provides a kind of pressing foot device of computer flat-bed knitting machine, system is provided with a substrate, wherein be provided with two groups of lugs in bottom, a surface in substrate, two groups of lugs place with a pivot respectively and are pivoted, and other establishes one and places and be hubbed at action bars between two lugs and for pivot, and a connecting rod is pivoted in the action bars top, this connecting rod top is pivoted one can be along the eedle presser of substrate surface slippage, wherein:

Two ends of pivot are respectively equipped with an operating head, a support portion of concentric, to be placed through respectively in substrate two lugs in groups, between operating head and support portion, be provided with one section eccentric rod portion again, this eccentric rod portion axle center and support portion are eccentric shape, and this eccentric rod portion is corresponding being placed through in the action bars.

Implement after the above-mentioned technological means, the obtainable concrete benefit of the utility model is:

1. be made as eccentric rod portion because pivot is placed through inner this section of action bars, when rotating hinge, get final product so that action bars is adjusted displacement, and then the eedle presser height of adjustment and action bars interlock.Thus, when wear and tear in the eedle presser top,, do not need to change eedle presser with cost saving as long as this pivot of rotation can be adjusted the height of eedle presser and continue to use.

2. because as long as rotating hinge promptly can reach the purpose of adjustment, its handled easily can significantly reduce to shut down slows down the time.

3. owing to the utility model adjustable height, therefore can compensate the tolerance of processing, therefore can amplify the margin of tolerance that adds man-hour, significantly to reduce defective products and processing cost.

Description of drawings

Fig. 1 is a three-dimensional appearance combination schematic diagram of the present utility model.

Fig. 2 is a perspective exploded view of the present utility model.

Fig. 3 is a side-looking generalized section of the present utility model.

Fig. 4 is the side-looking generalized section of the utility model adjustment height.

Fig. 5 is the front-view schematic diagram of the existing horizontal volume machine of computer.

Fig. 6 is the needle plate of the existing horizontal volume machine of computer and the partial exploded view of knitting needle.

Fig. 7 is the mountain plate elevational schematic view of the existing horizontal volume machine of computer.

Fig. 8 is the three-dimensional appearance combination schematic diagram of existing pressing foot device.

Fig. 9 is the side-looking generalized section of existing pressing foot device.

Figure 10 is the side-looking generalized section when having the operation of pressing foot device now.

[main element symbol description]

10 substrates, 11 lugs

110 pivot holes, 12 chutes

13 top boards, 20 eedle pressers

21 pivot seats, 23 connecting rods

25 action bars, 250 teats

251 pivot holes, 27 torque springs

29 pivots, 290 operating heads

291 support portions, 292 eccentric rod portions

30 computer flat-bed knitting machines, 31 needle-bars

32 needle plates 320 roll ditch

36 knitting needles, 360 stitch

33 heads, 34 mountain plates

35 pilot units, 350 guide pin slots

37 link guide block 40 pressing foot devices

41 substrates, 411 lugs

42 top boards, 43 eedle pressers

44 connecting rods, 45 action bars

451 teats, 452 pivots

46 torque springs

The specific embodiment

See also Fig. 1 to shown in Figure 3, the pressing foot device of computer flat-bed knitting machine provided by the utility model still is provided with a substrate 10, wherein be provided with two groups of lugs 11 in the bottom of a side in substrate 10, be provided with the pivot hole 110 of coaxial correspondence in two lugs 11, the plate face that is positioned at two lugs, 11 tops is provided with a chute 12 that extends up and down, is provided with a top board 13 that is correspondingly positioned at chute 12 1 sides in addition in substrate 10 tops.

Other establish one can lifting slippage in chute 12 eedle presser 20, these eedle presser 20 bottoms are provided with two outstanding pivot seats 21, to be hubbed at the epimere of a connecting rod 23, the hypomere of connecting rod 23 system is hubbed in the pivot hole 251 of an action bars 25 again, this action bars 25 is provided with a teat 250, and the hypomere of action bars 25 system places in the pivot hole 110 that is hubbed at substrate 10 by a pivot 29, and a sheathed torque spring 27 on pivot 29 makes action bars 25 normalities be subjected to the up power of beat.

In order to make eedle presser 20 tops when wearing and tearing, can adjust its height and continue to use, the utility model is designed at this pivot 29 especially.

Two ends of pivot 29 are respectively equipped with an operating head 290, a support portion 291 of concentric, in the pivot hole 110 with two lugs 11 that are placed through substrate 10 respectively, this operating head 290 is to be correspondingly positioned at substrate 10 outer side edges, and its end face is provided with slot, making things convenient for hand tool to plant rotates, be provided with one section eccentric rod portion 292 again between operating head 290 and the support portion 291, these eccentric rod portion 292 axle center are eccentric shape with support portion 291, operating head 290, and this eccentric rod portion 292 is in the corresponding pivot hole 251 that is placed through action bars 25.

Extremely as can be known shown in Figure 4 by Fig. 3, rotating hinge 29 can be so that eccentric rod portion 292 be the heart and eccentric rotation with the axle center of support portion 291, when eccentric rod portion 292 off-centre are positioned at the below, promptly adjusting action bars 25 pulls down and moves, and then interlock eedle presser 20 is positioned at extreme lower position, when eccentric rod portion 292 off-centre are positioned at 291 tops, support portion, are about to action bars 25 and up push away together with connecting rod 23, eedle presser 20 again, this moment, eedle presser 20 promptly was positioned at the extreme higher position.Fig. 3 and Fig. 4 can be positioned at the state of minimum and extreme higher position via adjustment in order to represent eedle presser 20, are not the most suitable height at eedle presser 20 places, and the spy gives explanation.

From the above, because action bars 25 of the present utility model is sheathed on the eccentric rod portion 292 of pivot 29, and then the height of eedle presser 20 can be adjusted, therefore, when wear and tear in eedle presser 20 tops, as long as making eedle presser 20 adjust to rise, rotating hinge 29 promptly can continue use, to increase the service life.

Claims (2)

1. the pressing foot device of a computer flat-bed knitting machine, system is provided with a substrate, wherein be provided with two groups of lugs in bottom, a surface in substrate, two groups of lugs place with a pivot respectively and are pivoted, other establishes one and places and be hubbed at action bars between two lugs and for pivot, the connecting rod that is pivoted in the action bars top, this connecting rod top are pivoted and one can it is characterized in that along the eedle presser of substrate surface slippage:

Two ends of pivot are respectively equipped with an operating head, a support portion of concentric, to be placed through respectively in substrate two lugs in groups, between operating head and support portion, be provided with one section eccentric rod portion again, this eccentric rod portion axle center and support portion are eccentric shape, and this eccentric rod portion is corresponding being placed through in the action bars.

2. the pressing foot device of computer flat-bed knitting machine according to claim 1 is characterized in that, the operating head end face of described pivot is provided with a slot.

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