JP2540578B2 - Weight control device for the spreading machine - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a weight operating device for a spreading machine that unwinds fabric by feeding it from a spreading machine that travels on a spreading table.

[Conventional technology]

Generally, a cloth spreading machine main body that removably supports a cloth wound in a roll shape and runs on the cloth spreading table while feeding the cloth on the cloth spreading base, and one of the front and rear direction of the main body. There is used a spreading machine provided with a cutting device that projects in the direction of the spreading machine, travels integrally with the spreading machine body, and cuts the cloth fed on the spreading table in the width direction. In the spreading method using this spreading machine, there is a case where it is desired to stretch the cloth by stretching the cloth by pulling the cloth when the cloth is spread due to the characteristics of the cloth. In this case, for example, a catcher device such as that shown in Japanese Examined Patent Publication No. 52-15716 is arranged at the spreading start end of the spreading length setting section and fixed on the spreading stand, and the end of the cloth is fixed. The catcher is used to spread the fabric by fixing it on the fabric spreading table. Then, the catcher device is accurately aligned with the main body of the spreading machine or the cutting device mounted on the main body at the time of use and is mounted on the spreading table.

[Problems to be Solved by the Invention]

However, in the spreading method using the catcher device as described above, the work of fixing the catcher device to the spreading table is troublesome, and the catcher device becomes an obstacle in the cutting process of the fabric after spreading, so it is necessary to remove it. However, this work also requires a lot of trouble, and there is a problem that the work efficiency of the spreading and cutting processes on the spreading table is not good.

It is an object of the present invention to solve the above-mentioned problems and to provide a weight operating device of a spreading machine that can easily spread a fabric suitable for a cloth by using a weight without using a catcher device.

[Means for solving the problem]

A weight operating device of a spreading machine according to the present invention is a spreading machine main body that runs on the spreading table while feeding out the cloth from a piece of cloth that is wound in a roll shape on the spreading table, and a longitudinal direction from the main body. In a spreading machine equipped with a cutting device that projects in one direction and travels integrally with the spreading machine body and cuts the dough fed on a spreading table in the width direction, the cutting device includes a front-back direction of the device. Attach a pair of left and right holding arms that project to
At the tip of these holding arms, there is provided a holding tool that roughly matches the length of the cloth in the width direction and detachably holds a weight that presses the cloth downward by its own weight. An elevating device for elevating the device is provided in the cutting device or the main body of the spreading machine.

[Action]

The weight operating device according to the present invention uses a cutting device provided in a normal spreading machine, and attaches a pair of left and right holding arms to the cutting device. A holding tool is attached to the cutting device or the main body of the spreader, which is approximately the same as the length in the width direction and which holds the weight that presses the fabric downward by its own weight so as to detachably hold the weight. As such, the simple construction and relatively small size allow it to be easily incorporated into a spreader with slight modifications thereof. Then, at a predetermined position, an elevating device is operated by an electric means or the like to raise and lower the holder together with the arm, and the weight is held and released by the holder, whereby the weight of the stretched cloth with respect to the spreading start end portion. Can be removed and placed automatically and reliably, and the tension can be extended without using a conventional catcher device, making it easy to set up work with or without a weight. It is possible to shorten the time and improve the work efficiency of the spreading and cutting process on the spreading table.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1 and FIG. 2, reference numeral 1 is a spreading table, 2 is a spreading machine main body that travels back and forth on the spreading table 1, and a cloth 3a is wound around the main body 2 in a roll shape. The cloth 3 is detachably and rotatably supported, and is provided with a feeding roller 4, a guide roller 5 and the like for the cloth 3a. A cutting device 6 is disposed in the vicinity of one end in the front-rear direction of the fabric spreading machine 2,
The cutting device 6 is equipped with a guide plate 7 for supporting the material 3a fed from the retraction machine body 2, and the cross section of the cutting device 6 is approximately C.
A tool rest driving electric motor 9 that rotates in the forward and reverse directions is fixed to one end portion in the left-right direction of the character-shaped device body 8, and a tool rest 10 that is reciprocally moved in the left-right direction (width direction) is supported by the electric motor 9. The tool rest 10 is detachably attached to the tool rest 10 below the guide plate 7 for cutting the cloth 3a in the width direction. The above structure is the same as a conventionally known structure.

Reference numeral 12 is an angle-shaped weight placed on the starting end of the stretched base of the stretched cloth 3a, which has a length approximately corresponding to the length of the cloth 3a in the width direction, and the weight of the cloth 3a due to its own weight. 13 is a weight operating device that is pressed downward on the starting end of the device. This operating device 13 is provided on the upper surface of the device body 8 of the cutting device 6 so that the horizontal parts 14a of the pair of left and right holding arms 14 are provided. The base ends are fixed, and these horizontal parts 14a project in the front-rear direction to the side opposite to the reciprocating machine body 2, and the hanging part 14b is bent at a right angle from the tip of the horizontal part 14a. The holders 15 made of electromagnets are fixed. The lifting device 16 of the weight operating device 13 is configured as follows. That is, a plate-shaped support member fixed to the apparatus body 8
A drive sprocket in which 17 is supported by a support rail 18 provided on the main body 2 of the retraction machine so as to be able to move up and down through a guide roller 19, a support member 17 is connected to an endless chain 20, and the endless chain 20 is arranged in a vertically folded portion. 21, Elevating electric motor that meshes with the driven sprocket 22 and the drive sprocket 21 rotates forward and backward.
It is configured to be driven by 23. The sprockets 21 and 22 and the lifting electric motor 23 are attached to the retraction machine body 2 side. The upper end of the guide plate 7 is fixed to the support member 17.

Next, a spreading method using the spreading machine with the weight operating device 13 configured as described above will be described.

As shown in Fig. 3a, with the weight 12 placed on the spreading start end portion by an appropriate means, the spreading machine main body 2 is actuated to feed the cloth 3a onto the spreading table 1 and the spreading machine The main body 2 is made to travel forward together with the cutting device 6 to carry out spreading, the spreading machine main body 2 is stopped near the forward running end, and the feeding of the cloth 3a is stopped. In this state, by driving the tool rest driving motor 9 provided in the device body 8 of the cutting device 6,
The tool rest 10 that has been waiting at one end of the device body 8 is moved in the left-right direction, and the material 3a is cut below the guide plate 7 by the tool 11 mounted on the tool rest 10 to drive the tool rest driving motor 9 To stop. Subsequently, after the fabric spreading machine 2 is made to travel to the forward traveling end without feeding the fabric 3a, the fabric spreading body 2 is made to travel forward together with the cutting device 6, but in this case, the fabric 3a is not fed. . While the spreading machine main body 2 is returning to the spreading start position, a pair of left and right holding arms 14 of the weight operating device 13 is provided.
The holder 15 fixed to the tip end contacts the vertical portion of the weight 12 placed on the spreading start end of the cloth 3a that has been spread and cut. Immediately before or at the same time as this abutment, the holder 15 is energized by detecting it by an electric means (not shown) and energizing the holder 15 to hold the vertical portion of the weight 12 in the holder 15 by magnetic coupling. Let Subsequently, by driving the lifting / lowering electric motor 23 of the lifting / lowering device 13, the supporting member 17 is lifted via the drive sprocket 21 and the endless chain 20,
The cutting device 6 rises together with the holding arms 14 of the operating device 13, and the weights 12 held by the holding tools 15 on these arms 14 are raised above the stretched cloth a and removed from the spreading start end. . At the same time, the retraction machine main body 2 is caused to travel to the forward traveling end shown in FIG. 3b without stopping the feeding of the cloth 3a and is stopped, and the lifting motor 23 is also stopped.
At this time, the end of the cloth 3a supported by the guide plate 7 is positioned on the spreading table 1 and is located right above the spreading start end of the spread cloth 3a. In this state, the spreading machine main body 2 is caused to start the next spreading, that is, the feeding of the cloth 3a and the forward running of the spreading machine main body 2, and the cutting device 6 and the holding arm by the lifting device 13 via the supporting member 17 Start descent of 14. Next, as shown in FIG. 3c, the dough 3a is fed.
When the extension start end of the and the weight 12 held by the holder 15 on the holding arm 14 match, the holding arm 14 reaches the lower limit, so that the lowering is stopped and the holding tool is
By cutting off the power supply to 15, the holder 15 is demagnetized, the weight 12 is released from these, and the weight 3 is placed on the spreading start end of the cloth 3a fed in the next spreading. At this time, it is not always necessary to stop the forward traveling of the retraction machine main body 2 and the feeding of the cloth 3a, but it is better to stop them and release the weight 12 from the holding tool 15 to release the weight 12. Then, it can be reliably placed on the spreading start end of the spread cloth. In addition, after holding the weight 12 in the holder 15, the cutting device 6 and the holding arm 14 are raised, and in this state, the incinerator main body 2 is made to travel to the backward travel end and folded back, stopped in the forward travel, and cut. The weight 12 may be released from the holder 15 after the device 6 and the holding arm 14 are lowered. After that, by repeating the above-described motion spreading method, it is possible to spread the cloth 3a by tensioning the cloth 3a with the weight 12 without using a catcher device. It is desirable to increase the lower limit of the holding arm 14 as the number of layers of the cloth 3a increases. Further, when the cloth is spread on the spreading table first, the weight 12 needs to be about 7 to 8 kg, and therefore a relatively small amount of labor is required even if the operator holds it on the spreading start end.

In the present invention, the lifting device for the weight operating device is provided in the spreader main body in the above-described embodiment, but the lifting device 16 may be provided in the cutting device 6 as shown in FIG. That is, the lifting device 16 shown in FIG.
An elevating electric motor 23 that rotates in the forward and reverse directions is fixed to one end of the operation shaft 24, and an operating shaft 24 driven by the electric motor 23 is rotatably supported by a bearing 25 fixed to the upper surface of the apparatus main body 8, and a pinion is attached to the operating shaft 24. 26 is fitted and fixed, and the elevating guide portion 27 is erected on the horizontal portion 14a of the holding arm 14, and this guide portion 27 is attached to the main body 8 of the apparatus.
A vertical rack 29 fixed to the elevating guide portion 27 is meshed with the pinion 26 by slidably engaging a guide member 28 fixed vertically to the upper surface of the.

The lifting device 16 shown in FIG. 4 configured as above is
Since the pinion 26 rotates in the forward and reverse directions via the operation shaft 24 by the forward / reverse drive of the lifting / lowering electric motor 23, the rack 29 meshing with the sprocket 26 rises and descends, so that the holding arm 14 is held via the guide member 28. It goes up and down with the tool 15. The cutting device 6 shown in FIG. 4 is fixed to the main body of the spreading machine. Although only one holding arm 14 is shown in FIG. 4, the other holding arm is also raised and lowered by the operating shaft 24 similarly to this. In FIG. 4, parts corresponding to those in FIGS. 1 and 2 are designated by the same reference numerals.

Further, in this invention, as shown in FIG.
The suction hose 30 may be connected to a dish-shaped suction plate 30 made of a molded product of a flexible material. The holder 15 is a suction plate 30.
When the weight 12 comes into contact with the vertical portion of the weight 12, the suction device 30 sucks air through the suction hose 31 by an unillustrated suction device,
The suction cup 30 holds the weight 12 by depressurization, and the suction cup 30 is opened to the atmosphere via the suction hose 31.
The holding of the weight 12 is released. Furthermore, the sixth
As shown in the figure, the holder 15 has a saw blade-shaped engagement portion 32 formed on the upper surface of a holder main body 32 that integrally projects at the tip of the hanging portion 14b of the holding arm 14 and projects downward. Mating engagement part 34
From the horizontal portion 12a of the weight 12 to the upper side portion 12b which is bent at an acute angle.
When the holding arm 14 is formed downward, the engaging portions 33 and 34 are engaged by the movement of the holding arm 14 in the upper right direction in FIG. 6 to hold the weight 12, and in this state, the weight 12 is moved downward in the left direction and then moved leftward in the horizontal direction. Due to the engaging part
The weights 12 may be released from the holder 15 by disengaging the 33, 34 from each other.

In the above description, the dough is unrolled only when the retraction machine main body is in the forward running, the dough is cut at the forward running end, and the dough is not unloaded in the backward running, while the invention is As shown in FIG. 7, the holding arms 14 are projected on both front and rear sides of the cutting device 6, and the holders 15 are provided at the tips thereof, and the cutting device 6 is dated January 21, 1988. The patent application, which supports the upper and lower parts of the symmetrical guide duct 35 that is fed out from the unfolding machine body (not shown) in the device body 8 so that it can be tilted forward and backward, and guides the guide duct 35 at both reciprocating traveling ends of the unfolding machine body. A reversing drive device (not shown) for reversing the duct 35 back and forth is connected, this drive device is installed in the device body 8, and a blade that reciprocates in the left and right directions below the guide duct 35 in the device body 8 and horizontally rotates. If you use the one with 36 installed, Place the weight 12 to the spreading start end portion during reciprocating both traveling body, fabric at both ends of the spreading length interval
It is also possible to carry out both cut-back folding and spreading in which 3a is pressed by the weight 12 and cut.

〔The invention's effect〕

As described above, the weight operating device of the spreading machine according to the present invention uses the cutting device of the spreading machine to mount the holding arm of the spreading machine, and to attach the electromagnet to the tip of the holding arm.
Since a holder made up of a suction cup or the like is provided, and an elevating device for raising and lowering the arm is provided in the cutting device or the main body of the spreading machine, the structure is simple and can be made relatively small, and can be easily incorporated in the spreading machine. The removal and placement of the weight on the spreading start end of the spread material can be performed automatically and reliably, and a series of operations can be automatically performed by the reciprocating movement of the spreading machine by electrical means. It is possible to extend the tension without using a catcher device, and it is possible to easily and quickly set up work with or without weights.
It is also possible to improve the work efficiency of the spreading and cutting process on the spreading stand.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a spreading machine with a weight holding device for carrying out the spreading method of the present invention, FIG. 2 is a vertical sectional view showing an essential part of FIG. 1, and FIG. 4 is a partial perspective view showing another embodiment of the weight operating device according to the present invention, and FIG. 5 is a side view showing a modification of the holder of the weight operating device of the present invention. FIG. 6 is a side view showing another modified example of the holder, and FIG. 7 is a schematic side view showing another embodiment of the weight operating device of the present invention together with a cutting device. 1 …… Engraving stand, 2 …… Engraving machine main body, 3 …… Cloth, 3a ……
Fabric, 6 ... Cutting device, 7 ... Guide plate, 8 ... Device body, 11 ... Blade, 12 ... Weight, 13 ... Weight operating device, 14 ... Holding arm, 15 ... Holding tool, 16 …… Lifting device, 17 …… Support member, 18 …… Support rail, 19 …… Guide roller, 20 …… Endless chain, 21, 22 …… Sprocket, 2
3 …… Elevating motor, 24 …… Operating shaft, 25 …… Bearing, 26
...... Pinion, 27 ...... Elevation guide section, 28 ...... Guide member, 29
...... Rack, 30 …… Suction board, 31 …… Intake hose, 32 ……
Mainly retainer, 33, 34 ... Engagement part.

Claims (1)

(57) [Claims] 1. A cloth spreading machine main body 2 which runs on the cloth spreading base 1 while feeding out the cloth 3a from a cloth 3 having a cloth 3a wound in a roll on the spreading cloth 1, and a front-back direction from the main body 2. In a spreading machine provided with a cutting device 6 that projects in one direction and travels integrally with the spreading machine main body 2 to cut in a width direction the material 3a that has been fed onto the spreading table 1, Attach a pair of left and right holding arms 14, 14 protruding in the front-back direction of this device,
Holders 15 and 15 are attached to the tips of the holding arms 14 and 14, respectively.
The holding members 15 and 15 are detachably held by the weights 12 that substantially match the width direction length of the cloth 3a and press the cloth downward by its own weight. A weight operating device for a spreader, wherein an elevating device 16 for raising and lowering 14 with respect to the spreader main body 2 is provided on the cutting device 6 or the spreader main body 2.