JPS6036629Y2 - thread guiding device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an improvement in a yarn guiding device in which a yarn guide roller for guiding the running of a yarn is rotatably supported with respect to a support member. A shaft fitting part that fits the shaft of the thread guide roller, a shaft locking part that fixes and locks the base of the shaft, and a regulating part that restricts the axial movement of the thread guide roller pivotally supported by the shaft. By providing them all at once, the thread guide device can be compact and have a simple structure with a small number of parts.

An embodiment embodying the present invention will be described in detail below with reference to the accompanying drawings.

In the figure, reference numeral 1 denotes a needle bed long in the left-right direction in which a large number of knitting needles 2 and comb teeth 3 are arranged alternately, a front support plate 4 that guides and supports the front part of the knitting needles 2, and a butt guide plate that guides the butt of the knitting needles 2. 5 etc.

The front support plate 4 includes a horizontal support portion 7 having an engagement hole 6;
An intermediate front vertical wall 8 and a rear rear vertical wall 9 are formed.

Furthermore, a fitting hole 10 is formed in a portion of the rear vertical wall 9 corresponding to the rear side of the engaging hole 6.

In the figure, reference numeral 11 denotes a carriage mounted on the needle bed 1 so as to be able to slide from side to side.The carriage 11 supports a knitted fabric presser plate 12 in its front part, and has an opening groove 13 opened on the left and right sides in its upper surface. A support having an arm 14 is provided.

15 has a proximal end located on the rear side of the opening groove 13, and the support arm 1
4 is a knitting yarn exchange thread fixed to the lower surface of the opening groove 1.
The front side portion corresponding to No. 3 includes a knitting yarn journal piece 16 that projects toward the closing side of the opening groove 13, a knitting yarn introduction piece 17 that projects diagonally forward on the opening side of the opening groove 13, and both pieces 16, A thread insertion hole 18 surrounded by 17 is formed.

Reference numeral 19 denotes a non-replaceable base thread opening provided in front of the replacement thread opening 15.

In the figure, reference numeral 20 denotes a support metal fitting for supporting the knitting yarn restraining body unit described later, which is bent into a cross-sectional shape as shown in FIG.
Thereby, the upper horizontal part 21 and the front vertical part 22,
Lower horizontal portion 23, rear vertical portion 24, and rear horizontal portion 25
is formed.

The rear horizontal portion 25 includes a fitting piece 25A that fits into the fitting hole 10 to regulate its lateral position, a regulating surface 25B that comes into contact with the front surface of the rear vertical wall 9, and the engaging hole 25A. A slot hole 25C corresponding to No. 6 is formed.

A base portion of a holding plate 26 is fixed to the rear vertical portion 24, and its open end protrudes horizontally rearward with the horizontal support portion 7 sandwiched between it and the rear horizontal portion 25, and the A through hole 26A that matches the fitting hole 6 is provided.

In the figure, reference numeral 27 denotes a plate-shaped retaining spring whose base end is fixed to the rear horizontal portion 25, and the chevron-shaped bent portion 27A at the open end elastically engages with the engagement hole 6, so that the supporting metal fitting 20 is held at a predetermined mounting position (a position where the fitting piece 25A fits into the fitting hole 10 and the regulating surface 25B abuts the rear vertical wall 9), and also controls the position in the left and right direction.

In order to install the support fitting 20 configured as described above on the needle bed 1, the clamping plate 26 and the rear horizontal portion 25 are fitted into the horizontal support portion 7 toward the rear, and the fitting piece A is fitted. Matching hole 1
0 and when the regulating surface 25B is brought into contact with the front surface of the rear vertical wall 9, the chevron-shaped bent portion 27A of the retaining spring 27 engages with the engagement hole 6, so that the support fitting 20 It is fixedly installed on the needle bed 1.

Conversely, in order to remove the attached support fitting 20 from the needle bed 1, it is sufficient to simply pull out the mounting fitting 20 forward against the elastic force of the holding spring 27.

In the figure, numeral 28 denotes a knitting yarn stopper unit supported by the upper horizontal portion 21 of the support fitting 20, and is composed of the following elements.

That is, numeral 29 in the figure represents a substrate, which is fixed to the upper surface of the upper horizontal portion 21 of the support fitting 20 by means of retaining screws 30 and appropriate positioning means.

In the figure, reference numeral 31 denotes a frame plate that is connected to the substrate 29 by a pair of screws, and is integrally made of a synthetic resin material, and four approximately rectangular support holes 32 are provided in the front side of the frame plate.
At the rear lower part between each of the support holes 32, there are three hanging pieces 33 whose lower surfaces have the same height, a straight guide surface 34 in the left and right direction that hangs slightly at the front end of each hanging piece 33, and the Three guide pieces 3 slightly hanging down at the rear end of each hanging piece 33
5, a rectangular groove 36 is provided on the side wall corresponding to the left and right sides of each of the groups of hanging pieces 33, and a spring engaging member 37 is provided on the inner surface of the side wall corresponding to the other left and right sides. A stopper piece 38 in the left and right direction hanging downward from one side wall to the other side wall is provided in the section, and the stopper piece 3
A pair of concave guide grooves 39 is formed on the lower surface of the support hole 32 corresponding to the rear side of each support hole 32, and each guide groove 3
9 is provided with a spring holding piece 40 consisting of a hanging piece for each three threads (two pieces on both sides are low and the center is high), and furthermore, on the rear side, a spring holding piece 40 is provided at the rear of each of the support holes 32. Correspondingly, substantially U-shaped grooves 41 opening rearward and groove-shaped pieces 42 forming each of the U-shaped grooves 41 are provided.

In the figure, reference numeral 43 denotes four support members for separately holding each knitting yarn T to be exchanged and replaced with respect to the exchange yarn opening 15 during pattern knitting, and each of them is integrally molded from a synthetic leather resin material. , a button 44 that fits into the support hole 32 of the frame plate 31 and is manually operated is formed on the front side thereof, a wedge-shaped stopper piece 45 is formed on the lower inner wall of the button 44, and a wedge-shaped stopper piece 45 is formed on the lower inner wall of the button 44. On the upper side, there are two fitting protrusions 46 that fit into the concave guide grooves 39 of the frame plate 31, and contact the front and rear surfaces of the stopper piece 38 to prevent the back and forth movement of the support member 43 from the frame plate. 31 are provided with front and rear limiting surfaces 47 and 48 that are limited within a certain range, and on the other hand, a shaft fitting part 50 having a shaft hole 49 in the front and back direction is provided on the lower side of the front and rear middle part. A shaft locking part 52 having a concave locking groove 51 is provided, and furthermore, a locking groove 53 that opens on the opposite side of the active knitting needle section is provided on the rear side, and a locking groove 53 on both front and rear sides of the locking groove 53 is provided. A pair of front and rear hanging wall-shaped regulating portions 54 are provided facing each other.

A shaft 56 of one leg of an elongated wire 55 is passed through and supported in the shaft hole 49 of each support member 43, and a thread for guiding the knitting yarn T to a portion protruding between the pair of regulating portions 54. A guide roller 57 is pivotally supported, and an intermediate portion 58 that is the base of the shaft 56 is bent into a substantially U-shape, and one side thereof is inserted into the locking groove 51 of the shaft locking portion 52 in the U-shape. The leg portion 59 is fitted and locked against the elasticity of the thread guide roller 57, and the other leg portion 59 has a substantially U-shaped portion located further outside the outer peripheral surface of the thread guide roller 57 (on the lower side opposite to the restraining groove 53). An auxiliary thread guide section 60 is provided which is bent in a direction.

The wire rod 55, the support member 43, and the thread guide roller 57 are assembled in the order shown in FIGS. 7 to 9.

With this assembly, the U-shaped intermediate portion 5 which is the base of the shaft 56
8 elastically engages with the locking groove 51, and a part of the upper end of the hanging bent portion 61 between the intermediate portion 58 and the auxiliary yarn guide portion 60 engages with the shaft locking portion 52. Since it engages with the rear end surface, the wire rod 55 is prevented from escaping in the direction of the U-shaped bent portion, and since the yarn guide roller 57 is approximately held between the pair of regulating portions 54, the It will not escape from the shaft 56 and come off.

In each of the support members 43 configured as described above, the buttons 44 are fitted into the support holes 32 from inside the frame plate 31, and the fitting protrusions 46 are fitted into the concave guide grooves 39. The substrate 29 is placed on the frame plate 31 from below, and the substrate 29 is coupled to the frame plate 31 with screws, so that the substrate 29 is placed on the lower surface of the support member 43. Holding down a part, therefore, each support member 43 thereof
is installed inside the frame plate 31 and the substrate 29 so that it can only move within a certain range forward and backward.

In the thus installed state, the entrance side portions 53A and 53B of the restraining groove 53 of each support member 43 are made to vertically coincide with the groove-shaped stopper piece 42, and the U-shaped groove 41 A gap t is formed between the entrance-side portion 53A on the opening side and the lower surface of the groove-shaped binding piece 42, which allows the knitting yarn T to be inserted and removed.

In the figure, a part 62 is fitted into the spring holding piece 40 of the frame plate 31 and the button 4 of the support member 43 is connected to the front surface of the stopper piece 38.
A compression spring interposed between the support member 43 and the rear surface of the support member 4 normally springs the support member 43 forward.

In the figure, 63 is a locking plate in the form of an elongated plate, which is attached to the three hanging pieces 33.
It is fitted into a portion surrounded by the lower surface, the direct guide surface 34, and the guide piece 35, and is pressed by the base plate 29 from below so that it can move only in the left and right direction. A locking piece 64 is provided which can protrude into the lower space of the button 44 of the support member 43 and engage with the aforementioned locking piece 45, and is provided at the end on the operating knitting needle section side through the rectangular groove 36 to the outside. An operating button 65 that protrudes from the spring is fixed thereto, and a spring locking piece 67 that locks a compression coil spring 66 between the spring engaging groove 37 and the spring engaging groove 37 is provided at the opposite end.

Therefore, in the normal state in which the button 44 of each support member 43 is not pressed, the thread guide roller 57 is disposed at a forward non-selected position that does not correspond to the moving path position of the replacement thread port 15, and , by pressing the button 44, the locking piece 45 engages with the locking piece 64 of the locking plate 63, and the thread guide roller 57 portion is inserted into the replacement thread opening 15.
is placed at a rear selection position that substantially corresponds to the movement path position of the vehicle.

In order to return the support member 43 from the selected position to the non-selected position, the locking plate 63 is moved by the compression coil spring 66 using the operation button 65.
The support member 43 is automatically returned to the non-selected position by the compression spring 62.

In the figure, 68 is a turn instruction mark that instructs to turn the carriage 11 after sliding it at least to the outside of that position, 69 is a knitted fabric, 70 is an auxiliary rail, and 71.72 is a knitting yarn tension adjustment device. .

This embodiment is constructed as described above in detail.

Prior to replacing the knitting yarn T, the support fitting 20 supporting the knitting yarn retainer unit 28 is supported at the engagement hole 6 of the needle bed 1, and the knitting yarn tension adjusting device 71 is fed out from the knitting yarn tension adjusting device 71. Each of the knitting yarns T is individually held on each support member 43,
In this case, first, each support member 43 is arranged at a selected position, and then, as shown in FIGS. 60, the yarn is inserted into the groove of the thread guide roller 57, and is brought into contact with the rear entrance portion 53A of the restraining groove 53, and in this state is inserted into the restraining groove 53 through the gap t. Since the knitting yarn T is arranged vertically, it is restrained so that it cannot escape at all.

Therefore, the function of appropriately exchanging the four knitting yarns T and replacing them with the replacement yarn opening 16 during pattern knitting has been proposed by the applicant in Patent Application No. 17273 of 1978 (Japanese Patent Application Laid-Open No. 5
No. 3-103554).

In this embodiment, a yarn guide device implemented in a hand knitting machine has been described, but this yarn guide device can be widely used and applied to other textile machines, textile machines, sewing machines, etc.

As described in detail above, the present invention is particularly characterized in that a shaft fitting portion into which the shaft of the thread guide roller is fitted and a base portion of the shaft are fixedly locked to a support member for supporting the thread guide roller. A shaft locking portion and a restriction portion that restricts the axial movement of the thread guide roller pivotally supported by the shaft are collectively provided.

Therefore, the configuration of the support portion of the yarn guide roller of the yarn guide device can be made extremely compact, and this portion can have a simple configuration with a small number of parts, which has practical effects.

[Brief explanation of the drawing]

Fig. 1 is a top view of one side of the knitting machine, Fig. 2 is a top view of the knitting yarn retainer unit and the side of the needle bed, Fig. 3 is a side sectional view of the main part of this device, and Fig. 4 is a knitting machine. FIG. 5 is a bottom view showing the inside of the yarn restraining body unit, FIG. 5 is a rear view of the same unit and support fittings, FIG. 6 is a side sectional view of the main part of the knitting yarn restraining body unit, and FIGS. 7 to 9 are Explanatory diagrams showing the order of assembling the support members, Figures 10 to 1
FIG. 2 is an explanatory diagram showing the order in which knitting yarns are held back with respect to the support member. 43... Support member, 50... Shaft fitting part, 52... Shaft locking part, 54... Regulation part, 56... - Shaft, 57... Yarn guide roller, T... Knitting yarn.

Claims (1)

[Claims for Utility Model Registration] 1. In a yarn guiding device in which a yarn guide roller for guiding the running of yarn is rotatably supported with respect to a support member, the yarn guide roller is rotatably supported on the support member. a shaft fitting part that fits a shaft for pivotally supporting the shaft; a shaft locking part that fixedly locks the base of the shaft; Alternatively, a regulating portion that comes into contact with the regulating portion and regulates the axial movement of the thread guiding roller is provided. 2. Utility model registration as set forth in claim 1, characterized in that the shaft fitting part, the shaft locking part, and the regulating part are integrally formed with the main body of the support member from an aluminum resin material or the like. thread guiding device.