JP2003239168A - Industrial embroidering machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To elongate the depth of a table and drive an embroidering frame with large strokes in the longitudinal direction without interfering the transportation of an embroidering machine. <P>SOLUTION: Heads 3 and beds 5 are disposed in a machine frame 1 in parallel in the lateral direction, and a table 7 is supported in the same height as those of the beds 5. The embroidering frame 9 is disposed on the table 7, and driven with an X-driving mechanism in the lateral direction and also with a Y-driving mechanism 11 in the longitudinal direction. The table 7 comprises a main body table 7A, a forward extended table 7B and a rearward extended table 7C, and the extended tables 7B, 7C are detachably assembled with the machine frame 1. A traveler 19 is connected to the belt of the Y-driving mechanism 11 and further connected to front and rear driving members 22, 24 through connection members 26, 27. Output portions 23, 25 engaged with the lateral frames 9b, 9c of the embroidering frame 9 are disposed on the driving members 22, 24, and guide rails 28, 29 and 30 for guiding the driving members 22, 24 are disposed on the main body table 7A and the extended tables 7B, 7C, respectively. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an industrial embroidery sewing machine for performing embroidery processing by driving a sewing frame holding a work cloth back and forth and left and right on a table.

[0002]

2. Description of the Related Art Conventionally, an industrial embroidery sewing machine as shown in FIG. 8 has been known. In this embroidery sewing machine, the machine frame 5
0, a plurality of heads 51 and a bed 52 are arranged side by side in the left-right direction, and a table 53 is installed at substantially the same height as the bed 52. A horizontally long rectangular sewing frame 54 for holding the work cloth is arranged on the upper side of the table 53, and an X drive mechanism 55 and a Y drive mechanism 5 for driving the sewing frame 54 are arranged on the lower side of the table 53.
6 and 6 are installed.

The X drive mechanism 55 includes a belt 57 that is long on the left and right.
The output section 58 is provided on the upper side, and the power of the belt 57 is supplied to the output section 58.
To the vertical frame 54a on the left side of the sewing frame 54,
Drive left and right. The Y drive mechanism 56 includes a pair of front and rear output units 60 on a belt 59 that is long in the front and rear,
9 power from the output unit 60 to the horizontal frame 54 before and after the sewing frame 54
It is configured to be evenly transmitted to b and to drive the sewing frame 54 in the front-rear direction without distortion.

[0004]

However, according to the conventional embroidery sewing machine, since the front and rear output parts 60 of the Y drive mechanism 56 are provided on the common belt 59, a large frame having a long vertical dimension can be used for a large stroke. It was necessary to design the depth of the table 53 to be long so that the belt 59 can be extended when driven by. As a result, the packaging of the entire sewing machine becomes large, and the sewing machine cannot be carried in a standard container, and it is difficult to carry it in and out of the doorway of the building.

An object of the present invention is to solve the above-mentioned problems and to increase the depth of the table without hindering transportation.
An object of the present invention is to provide an industrial embroidery sewing machine capable of driving the sewing frame with a large stroke in the front-rear direction.

[0006]

In order to solve the above problems, an industrial embroidery sewing machine according to the present invention has a machine frame in which a plurality of heads and a bed are arranged side by side in a horizontal direction, and a table is placed at substantially the same height as the bed. A sewing frame that holds the work cloth on the table, and is provided with an X drive mechanism that drives the sewing frame in the left-right direction and a Y drive mechanism that drives the sewing frame in the front-rear direction.
The table is divided in the front-rear direction and is composed of a main body table and an extension table. The extension table is removably assembled to the machine frame, and the Y drive mechanism is used to move the main body table in the front-rear direction and the side of the sewing frame. It is characterized in that a drive body provided with an output portion that engages with the frame, a connecting member that connects the drive body to the traveling body, and a guide rail that guides the drive body in the front-rear direction are provided on the extension table.

Here, the main body table is a permanent table fixed to the machine frame, and is formed with a depth that allows it to pass through the doorway of the building. The extension table is a removable table that is detachably attached to the machine frame, and is formed with a depth shorter than that of the main body table. The number of expansion tables can be selected from one or two depending on the stroke of the sewing frame. When using one expansion table, connect it to the front end or rear end of the main body table, arrange one driving body in front of or behind the traveling body, and provide the output section on the driving body and the traveling body. Good to do. When two expansion tables are used, these may be connected to the front and rear ends of the main body table, a pair of driving bodies may be arranged in front of and behind the traveling body, and an output section may be provided in both driving bodies. The guide rail may be provided only on the extension table, but it is preferable that the guide rail is provided so as to extend continuously from the extension table to the main body table, because the stroke of the sewing frame in the front-rear direction can be enlarged.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIG.
~ It demonstrates based on FIG. As shown in FIG. 1, in this industrial embroidery sewing machine, a plurality of heads 3 are arranged side by side on an upper frame 2 of a machine frame 1, and the same number of beds 5 as heads 3 are provided on a lower frame 4 of the machine frame 1. Are arranged side by side. Auxiliary frames 6 are provided before and after the lower frame 4.
Is provided, and a plurality of tables 7 are supported on the frames 4 and 6 in the left-right direction at substantially the same height as the bed 5 via a table receiver 8. Then, a laterally long rectangular sewing frame 9 for holding the work cloth is arranged on the upper side of the table 7, and an X drive mechanism 10 for driving the sewing frame 9 in the left-right direction on the lower side of the table 7 and the sewing frame 9 in the front-back direction. Y drive mechanism 1 to drive
1 and are installed.

Each table 7 is divided into three parts in the front-rear direction, a main body table 7A including a sewing point P, a front expansion table 7B connected to the front end of the main body table 7A, and a rear end connected to the rear end of the main body table 7A. It is composed of an extension table 7C. The main body table 7A is formed with a depth that allows it to pass through the doorway of the building, and the main rod portion 8a of the table receiver 8 is formed.
It is fixed to. The front and rear expansion tables 7B and 7C are
It is formed to have a depth shorter than that of the main body table 7A, and is detachably attached to the auxiliary rod portions 8b and 8c of the table receiver 8 with screws or the like. The auxiliary rod portions 8b and 8c of the table receiver 8 are provided at the front and rear ends of the main rod portion 8a so as to be freely inserted and removed.

The X drive mechanism 10 is installed in front and rear two units on the main body table 7A of the table 7 at the right end, and similarly to the conventional case, the output unit 14 is provided on the belt 13 which is long in the left and right, and the power of the belt 13 is output from the output unit 14. The vertical frame 9a on the right side of the sewing frame 9 is transmitted to drive the sewing frame 9 in the left-right direction. The Y drive mechanism 11 is installed in the left-right direction in a number of 3 to 5 units (a number smaller than the number of tables by one) in the form of vertically cutting between two adjacent tables 7.

As shown in FIGS. 2 to 5, a Y drive mechanism 11 is provided.
The mechanical frame 15 is formed with a length equal to or less than the vertical dimension of the main body table 7A, and is fixed on the lower frame 4 and the auxiliary frame 6. A belt 17 is stretched around the mechanism frame 15 by a pair of pulleys 16 so as to extend in the front-rear direction, and a drive shaft 18 penetrating the rear pulley 16 is connected to a motor (not shown). The traveling body 19 is coupled to a part of the belt 17, and the traveling body 19 is attached to the upper surface of the mechanism frame 15.
A rail 20 for guiding the sliding portion 19a is laid. Then, the traveling body 19 is passed through the belt 17 by the motor.
2 body tables 7A adjacent to each other along the rail 20
It is designed to run in the front-back direction between the end faces of the.

A front driving body 22 is arranged on the front side of the traveling body 19, and a front output portion 23 which engages with the front lateral frame 9b of the sewing frame 9 is provided on the upper surface thereof. The rear driving body 24 is arranged on the rear side of the traveling body 19, and the rear lateral frame 9c of the sewing frame 9 is provided on the upper surface thereof.
Is provided with a pair of front and rear rear output portions 25 that engage with each other.
The front driving member 22 is connected to the traveling member 19 by a front connecting member 26, and the rear driving member 24 is connected to the traveling member 19 by a rear connecting member 27.
Are linked to. On the end faces of the main body table 7A, the front expansion table 7B and the rear expansion table 7C, the driving body 22,
The guide rails 28, 29, 30 for guiding the sliding portions 22a, 24a of 24 in the front-back direction are extended tables 7B, 7C.
To the main body table 7A continuously. Further, one guide plate 31 having a slit 31a for guiding the output portions 23, 25 is attached to the upper surfaces of the tables 7A, 7B, 7C so as to be disassembled with screws 32.

Both ends of the connecting members 26 and 27 have screws 3
3, the traveling body 19 and the driving bodies 22 and 24 are detachably assembled. The output units 23 and 25 use rollers that can move in the left-right direction with respect to the horizontal frames 9b and 9c so that the sewing frame 9 can move in the left-right direction. The guide rails 28, 29, 30 are not limited to the divided rails, and one long rail continuous with each table 7A, 7B, 7C may be used. The guide plate 31 is not limited to a single plate, and a divided plate for each of the tables 7A, 7B, 7C may be used.

During operation of this industrial embroidery sewing machine, the motors of the X drive mechanism 10 and the Y drive mechanism 11 are synchronously controlled according to the sewing data, and the sewing frame 9 is driven in the left-right direction by the output portion 14 of the X drive mechanism 10. At the same time, the output portions 23 and 25 at the front and rear of the Y drive mechanism 11 are driven in the front-back direction to position the target portion of the work cloth at the sewing point P. At this time, in the Y drive mechanism 11, as the traveling body 19 travels, the front driving body 22 travels along the guide rails 28 and 29 in the section between the front half portion of the main body table 7A and the front extension table 7B, and the rear driving The body 24 guides the guide rail 2 in the section between the rear half of the main body table 7A and the rear extension table 7C.
It runs along 8,30.

Therefore, the depth of the table 7 can be made sufficiently long during the sewing machine operation, and the sewing frame 9 can be driven with a large stroke in the front-rear direction even when a large frame having a long vertical dimension is used. Further, when carrying the embroidery sewing machine, the guide plate 31 is disassembled from the table 7, and as shown in FIG. 5, the front and rear expansion tables 7B and 7C are removed from the auxiliary rod portions 8b and 8c of the table receiver 8 and the auxiliary rod portion 8 is removed.
b and 8c are stored in the main rod portion 8a. By doing this, the depth of the table 7 can be shortened to the vertical dimension of the main body table 7A, the packing form of the sewing machine as a whole can be reduced, and this sewing machine can be transported in a standard container at low cost, and it can be easily carried in from the entrance of the factory building. It is possible to take out.

The present invention is not limited to the configuration of the above-described embodiment, and may be embodied with appropriate modifications, for example, as follows, without departing from the spirit of the invention. (1) As shown in FIG. 6, the table 7 is divided into two parts in the front-rear direction and is composed of a main body table 7A and a front expansion table 7B. The driving body 22 is arranged on the front side of the traveling body 19, and both are connected by the connecting member 26. Sewing frame 9 on the driver 22
The front output portion 23 that engages with the front horizontal frame 9b of the
A rear output portion 25 that engages with the rear lateral frame 9c is provided on the rear surface 9. (2) The table is composed of the main body table and the rear expansion table, the driving body is arranged on the rear side of the traveling body, the traveling body is provided with the front output portion, and the driving body is provided with the rear output portion.

(3) As shown in FIG. 7, a rail bracket 35 is installed between two adjacent front expansion tables 7B (or rear expansion tables), and a guide rail is provided on the bracket 35 via a rail base 36. 37 is provided, and the drive body 22 supports three rollers 38 that sandwich the guide rail 37. The rail base 36 is formed with a length corresponding to the stroke of the sewing frame 9, the tip thereof is extended to the main body table 7A side, and the guide rail 37 is provided so as to extend continuously from the extension table 7B to the main body table 7A. In this way, the guide rail can be omitted from the main body table 7A. (4) The number of X drive mechanisms and Y drive mechanisms is appropriately changed according to the number of heads, the stroke of the sewing frame, and the like. (5) In both X and Y drive mechanisms, instead of the belt drive method, a drive method using a rack and pinion, a ball screw, a linear motor or the like is adopted.

[0018]

As described above in detail, according to the industrial embroidery sewing machine of the present invention, the depth of the table can be lengthened and the sewing frame can be moved forward and backward with a large stroke without hindering the transportation of the sewing machine. It has an excellent effect that it can be driven.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of an industrial embroidery sewing machine according to the present invention.

FIG. 2 is a plan view showing a Y drive mechanism of the embroidery sewing machine.

FIG. 3 is a sectional view of a Y drive mechanism.

FIG. 4 is a perspective view showing a Y drive mechanism and a front half of a table.

FIG. 5 is a plan view showing an exploded form of a table.

FIG. 6 is a plan view showing a modified example of the industrial embroidery sewing machine according to the present invention.

FIG. 7 is a perspective view showing a modified example of a guide rail.

FIG. 8 is a plan view showing a conventional industrial embroidery sewing machine.

[Explanation of symbols]

1 machine frame 3 heads 5 beds 7 table 7A body table 7B front expansion table 7C Expansion table 9 sewing frame 9a Vertical frame 9b Front horizontal frame 9c Rear horizontal frame 10 X drive mechanism 11 Y drive mechanism 17 Belt 19 running body 22 Front driver 23 Front output section 24 Rear driver 25 Rear output section 26 Front connecting member 27 Rear connection member 28 Guide rail 29 Guide rail 30 guide rails 37 Guide rail

Claims (2)

[Claims] 1. A plurality of heads and a bed are arranged side by side in a machine frame, and a table is supported at substantially the same height as the bed,
A sewing frame for holding a work cloth is arranged on a table, and an industrial embroidery sewing machine having an X drive mechanism for driving the sewing frame in the left-right direction and a Y drive mechanism for driving the sewing frame in the front-rear direction is used. It is composed of a main body table and an extension table which are divided in the front-rear direction, and the extension table is detachably assembled to the machine frame, and a Y drive mechanism is provided for a traveling body that travels the main body table in the front-rear direction and a horizontal frame of the sewing frame. An industrial embroidery device characterized in that a driving body having an engaging output portion and a connecting member for connecting the driving body to the traveling body are provided, and a guide rail for guiding the driving body in the front-back direction is provided on the extension table. sewing machine. 2. The industrial embroidery sewing machine according to claim 1, wherein the guide rail is provided so as to extend continuously from the extension table to the main body table.