JP2756577B2 - Curved upholstery frame for embroidery sewing machine - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a curved wrapping frame for an embroidery sewing machine which is used when embroidering on a tubular cloth such as a peripheral wall of a hat in an embroidery sewing machine.

[Conventional technology]

2. Description of the Related Art There is known an upholstered frame including a base frame on which a tubular cloth is covered and a press frame which presses the covered cloth on the base frame (for example, JP-A-61-186564). ).

[Problems to be solved by the invention]

In the case of this kind of curved cloth-clad frame, it is necessary to firmly hold down the cloth put on the base frame with the pressing frame so as not to move.
Therefore, if the embroidery area in the window hole is wrinkled in the completed state, it cannot be corrected as it is, and there is an annoyance that the presser frame must be removed and re-stretched. In addition, in the case of the stretching work, there is a problem that it is necessary to perform a difficult work requiring a high degree of skill, in which the cloth is first stretched, and the cloth is pressed little by little with the holding frame while being careful not to wrinkle in that state.

The present invention has been made in view of the above points, and its purpose is to use a very easy operation and to stretch the periphery of the embroidery area of the cloth into the window hole with “Pin”. It is an object of the present invention to provide a wrapping frame for an embroidery sewing machine, which can be attached, and thereafter, the portion stretched by the “punch” is pressed by a pressing frame and a fastening operation for fixing the cloth can be performed.

[Means for solving the problem]

In order to achieve the above object, the invention of the present application has a space for holding a bed in an embroidery sewing machine on the inner side, an outer surface of which is a cloth-covered surface having an arc-shaped cross section, and one end of which is a cylinder on the cloth-covered surface. It has a free end so that it can cover a part of the cloth, a base frame provided with a window hole for allowing an embroidery area of the cloth to be left in the middle part, and a base frame that covers the cloth-covered surface. A press frame for pressing the cloth to the cloth surface, and a press frame having a window for exposing the embroidery area, the curved frame for an embroidery sewing machine; In order to pull the cloth to be covered on the upholstered surface against the receiving portion of the upholstered surface in a state before being pressed by the presser frame, On the side opposite to the side where the cloth is located, pulling means for pulling the cylindrical cloth. It was then set.

[Action]

A tubular cloth is placed on the base frame so that it is pulled by the pulling means. The fabric is then held taut in the window holes in the base frame. Therefore, thereafter, the mounting operation is completed only by fixing the cloth with the presser frame by a simple operation.

〔Example〕

Hereinafter, drawings showing an embodiment of the present application will be described. First
In the drawing, the bent fabric frame is composed of a cylindrical base frame 1 for covering a tubular fabric and a press frame 2 for holding the fabric covered on the base frame.

First, the base frame 1 will be described. The base frame 1 is formed in a hollow cylindrical shape, and has a space for storing an embroidery sewing machine bed therein.
1a. One end in the axial direction is a free end so that the tubular cloth can be covered, and the other end is connected to a drive unit as described later. As shown in FIG. 2, the base frame 1 is composed of a main body 3 and an adjustment frame 4 connected to the main body 3 so as to adjust the distance in the axial direction. The structure of the connection of the former to the former is shown in FIG. 2, in which the main body 3 is formed with a long hole 3a parallel to the axis, while the adjusting frame 4 has a connecting piece 4a, and the long hole 3a The inserted fixing screw rod 3b is screwed into a screw hole 4b formed in the connecting piece 4a, and the connecting piece 4a is elongated by loosening the screw rod 3b.
It can be moved along 3a. Reference numeral 5 denotes a cloth-covered surface of the base frame 1, which is constituted by the upper surfaces of the main body 3 and the adjustment frame 4, and has a circular cross section. Reference numeral 6 denotes a window hole provided at an intermediate portion of the cloth-covered surface, which is formed in the main body 3 as shown in FIG. The cloth-covered surface 5 is divided by the window hole 6 into a portion 5a closer to the base and a portion 5b closer to the free end, and each of the portions 5a and 5b receives the tubular cloth. I have. 7 is the first,
As shown in FIGS. 2 and 5, a missing portion formed in the lower portion of the main body 3 is a portion for allowing a part of the periphery of the cylindrical cloth to enter when the length of the cylindrical cloth is short. Reference numeral 8 denotes a connecting portion provided at the base of the main body 3 for connecting to a driving portion provided on the side of the sewing machine.
A fitting hole 10 and the like are provided. 12,13 specified in Figure 2
Are connecting pieces provided on the right and left sides of the main body 3, respectively, for connecting the holding frame 2, and each base is fixed to the base of the main body 3 by a mounting block 14. still
Reference numeral 15 denotes a positioning flange fixed to each connecting piece 13.
Next, reference numeral 17 denotes a spring piece exemplified as a tension means, which is formed using a spring material having good elasticity, and is attached to the peripheral wall of the main body 3 on the side opposite to the window 6.

Next, the holding frame 2 will be described. Reference numerals 21 and 22 denote left and right lateral members formed of a hard metal plate. Reference numeral 23 denotes a free end side member, 24 denotes a base part side member, and respective lower surfaces 23a, 24
a is a holding portion for holding the tubular cloth. Both the free end side member 23 and the base side member 24 are formed in a band shape with a thin and flexible steel plate. The base side member 24 is formed in a curved shape as shown in FIGS. 3 and 4, and the central portion 24b 'of the outer end 24b protrudes in a mountain shape compared to the both sides 24b ", 24b". . Both ends of the base side member 24 are fixed to the side members 21 and 22 by, for example, welding means, and the free end side member 23 has left and right ends at the left and right sides of the adjusting devices 26 and Two
6 are used to connect to the lateral members 21 and 22. 25 is member 23,2
4 shows a window formed between four. Next, the structure of the adjusting device 26 will be described with reference to FIG.
A holding tool fixed to 22 has a through hole 28, and a fixing screw rod 29 exemplified as a stopper is screwed to the side wall. Numeral 30 denotes an adjusting rod which is inserted through the through hole 28 so as to be able to be inserted and removed freely. The fixing may be performed by fixing a mounting block indicated by reference numeral 31 in FIG. 2 to the tip of the adjusting rod 30 and fixing the end of the free end side member 23 to the mounting block 31 by welding means. In the holding frame 2 having the above-described structure, one side member 22 is connected to the connecting piece 12 by a fastener 33 having a well-known foldable structure in a watch band or the like, and the other side member 21 is connected to the other side member 21. A hook 34 for hooking on the connecting piece 13 is integrally formed to enable the base frame 1 to be fastened. As the connecting means, any other known means capable of fastening to the base frame 1 may be used.

Next, a description will be given of how to use the curved cloth-clad frame in a case where embroidery is performed on a forehead portion of a hat as an example of a tubular cloth. First, with the holding frame 2 removed from above the base frame 1 as shown in FIG. 1, a hat 40 is put on the base frame 1 as shown in FIGS. Let it exist. In this case, the lower side of the peripheral wall of the hat is the first, fifth, sixth
As shown in the figure, the spring piece 17 is hooked. By doing so, the peripheral wall of the hat is pulled by the spring piece 17 to the side opposite to the upper edge side of the window hole as viewed from the window hole 6, so that the forehead portion 40a is shown in FIGS. As described above, it is positioned in a state of being pulled tightly over the window hole 6 and the receiving portions 5a and 5b. Moreover, that state is maintained. Next, the hook 34 is hooked on the connecting piece 13 with the fastener 33 of the holding frame 2 extended, and the base member 24 and the free end member 23 of the holding frame 2 are received as shown by arrows in FIG. Parts 5a, 5
b Put it on the peripheral wall of the upper hat 40. Then, the fastener 33 is folded. As a result, the base-side pressing portion 24a and the free-end-side pressing portion 2
By 3a, the peripheral wall of the cap 40 is firmly pressed against the base-side receiving portion 5a and the free-end-side receiving portion 5b. As described above, the hat 40 is firmly fixed to the bent fabric frame with its embroidery area stretched tightly in the window hole 6 without wrinkles and exposed in the window 25.

Next, the curved upholstered frame is connected to the drive unit 41 of the curved upholstered frame in the embroidery sewing machine as shown in FIGS. The connection is performed by a fitting piece 42 provided in the drive unit 41 as shown in the figure.
And the fastening pieces 43 are fitted into the fitting recesses 9 and the fitting holes 10 in the curved cloth-clad frame, respectively. In this state, the axis of the cylindrical base frame 1 coincides with the rotation center of the drive unit 41. The bed 44 in the sewing machine is the space of the bent upholstered frame.
1a is invaded. The driving unit 41 is equivalent to, for example, a driving ring disclosed in the above-mentioned publication.

When the embroidery sewing machine is driven in this state, the drive unit
The forehead of the attached hat 40 is moved back and forth and left and right on the bed 44 by rotating the shaft 41 and moving back and forth in the axial direction, and a sewing needle 45, a cloth presser 46, etc., as is well known. Moves up and down, the needle thread supplied through the needle 45 and the bed
A well-known embroidery stitch is applied to the forehead portion 40a of the hat 40 with the lower thread supplied from the shuttle in 44.

As the pulling means, an arbitrary material capable of pulling the cylindrical cloth toward the side opposite to the window hole 6, for example, a sponge rubber-like material may be used instead of the spring piece.

〔The invention's effect〕

As described above, according to the present invention, when embroidering is desired to be performed on the embroidery area of the tubular cloth, the tubular cloth is covered on the base frame 1,
By holding the embroidery area in the window hole 6, the embroidery area can be held in a stretched state by holding the embroidery area in the window hole 6, and the embroidery area can be easily embroidered simply by moving the base frame 1.

Moreover, in the case of the work of mounting the cloth as described above, in a state where a part of the cloth is covered on the cloth-covered surface 5 of the base frame 1,
There is a feature that the cloth can be pulled by the pulling means 17 to the receiving portion of the cloth-covered surface 5 and the embroidery area of the cloth can be held tightly in the window hole 6, and as a result, the operation can be easily performed thereafter. There is the convenience that the mounting operation can be completed only by fixing the cloth with the presser frame 2.

[Brief description of the drawings]

Drawings show an embodiment of the present invention, FIG. 1 is a perspective view, FIG. 2 is an exploded perspective view, FIG. 3 is a bottom view of a holding frame, FIG. FIG. 5 is a side view showing a state in which the cap is put on the base frame (the holding frame and the hat show cross sections), and FIG.
FIG. 6 is a front view showing a state of being broken at the position of the line VI. 1 ... base frame, 2 ... holding frame, 6 ... window hole, 17 ... pulling means (spring piece).

Claims (1)

(57) [Claims] An inner surface of the embroidery sewing machine has a space for storing a bed, an outer surface thereof is an upholstered surface having an arc-shaped cross section, and one end is provided with a part of a tubular cloth on the upholstered surface. A base frame provided with a window hole for allowing an embroidery area of the cloth to be left in the middle portion, and a cloth covered with the cloth-covered surface, A press frame for pressing against a surface, and a press frame having a window for exposing the embroidery area; a curved upholstery frame for an embroidery sewing machine; In order to pull the cloth to be covered on the receiving portion of the cloth-covered surface in a state prior to being pressed by the holding frame, a side where the cloth is located as viewed from the cloth-covered surface. Is provided with a pulling means for pulling the cylindrical cloth on the opposite side.繍 sewing machine declension cloth-clad frame.