JPH0128772Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention is a sewing machine that uses straw, yoshi, shinobu, bamboo, etc. as materials to be used as sunshades, windbreaks, or frost protection for agricultural crops. The present invention relates to a knitting device for knitting a knitting board, a screen, etc., which is used when forming a knitting board, a screen, etc.

Conventional technology Conventionally, koji or bamboo baskets, which are used as covers for crops such as Korean ginseng, which need to be cultivated to keep humidity and temperature almost constant throughout the year, are made mainly from wheat culms and linen thread. It was created by hand knitting.

Problems that the invention aims to solve As mentioned above, hand-weaving komoda or bamboo screens has the disadvantage that the work efficiency is poor, and the knitting process requires a lot of time and effort. , development of knitting devices such as screens was desired.

Means for Solving the Problems Therefore, the present invention has been developed by rotatably bearing a pair of front and rear lower rollers parallel to each other on a machine base, and attaching a plurality of endless belts to the lower rollers between which sewing machine needles are attached. A support plate is provided on the back side of the upper conveying surface of this endless belt, and the lower roller at the front end is connected to a rotational drive shaft to form a lower conveying means. A pair of front and rear upper rollers are rotatably supported above the front half of the upper roller, and a gap formed between the endless belts of the lower conveying means is attached to the upper roller, and a gap between which the sewing machine needle moves up and down is also attached to the upper roller. A plurality of endless belts formed between each other are stretched, and the lower surface of the endless belt is opposed substantially parallel to the upper surface of the conveying means of the lower conveying means, and has a lower conveying surface with an interval corresponding to the thickness of the material. At the same time, an upper support plate is provided on the back side of the lower conveying surface, and the upper roller at the front end is connected to a rotating drive shaft so that the upper roller at the front end is parallel to the lower conveying means and the material sandwiched therebetween is moved forward in the same direction. forming an upper conveying means for moving;
A sewing machine is installed on the machine base so that the lifting position of the sewing machine needle is approximately in the center between the upper and lower endless belts, and a sewing machine is provided on one side of the sewing machine and synchronized with the lifting and lowering movement of the sewing machine needle. The rotational drive shafts of the upper and lower conveyance means are respectively connected to the drive shafts driven by the upper and lower conveyance means via an intermittent one-way rotation mechanism, and the latter half of the upper conveyance surface of the lower conveyance means is used as a material supply and placement surface. The present invention provides a knitting device such as a knitting machine, a screen, etc., which is characterized by having a backing plate erected on one side on a machine stand.

Function As described above, the present invention includes a lower conveying means in which an endless belt is stretched between a pair of front and rear lower rollers and the upper surface of the endless belt is formed as the upper conveying surface, and the upper conveying surface is formed above the front half of the lower conveying means. Since the upper conveying means is provided with an endless belt stretched between a pair of front and rear upper rollers so that an interval corresponding to the thickness of the material is provided on the lower surface of the conveying surface, the upper conveying means are opposed to each other. The material supplied and placed on the rear half of the lower conveying means is automatically moved in a band shape while being sandwiched between the upper and lower conveying means. This moving material is supported by support plates provided on the back side of the upper conveying surface and the lower conveying surface, and the thickness is kept almost constant.
The belt is sewn and knitted in the form of a belt by a sewing machine installed such that the vertical position of the sewing machine needle is within the gap formed between the upper and lower endless belts, and then transported out. In addition, the rotational drive shafts of the upper rollers at the front ends of the upper and lower conveyance means are connected to rotary shafts that rotate in synchronization with the vertical movement of the sewing machine needle via an intermittent one-way rotation mechanism, so that the conveyance operation of the conveyance means is controlled. It is performed in synchronization with the sewing operation of the sewing machine, allowing for reliable sewing and knitting. In addition, since the lower conveyance means on which the material is supplied and placed has a backing plate erected on the machine base on one side of the upper surface of the conveyance surface, the base of the supplied material is almost uniformly aligned, making it easy to feed the material.

Embodiments Examples of the present invention will be described below with reference to the drawings.

In the figure, F is a machine frame whose frame is mainly made of angle materials, and _C1 is a pair of front and rear lower rollers 1 and 2 rotatably supported at the front and rear of the machine base F (left and right in Figure 1), respectively. A plurality of endless belts 4 are stretched between the lower rollers 1 and 2 and form a gap 3 between which the sewing machine needle moves up and down, as shown in FIG. ’ Wide support plate 5 installed on the back side of
and C ₂ is the lower conveying means.
An upper conveying means formed above the first half of C ₁ (on the left side in Figure 1) carries a pair of front and rear upper rollers 6, 7,
A plurality of endless belts 8 are stretched between the upper rollers 6 and 7, and the lower surface of the endless belt 8 is conveyed while the sewing machine needle moves up and down as shown in FIG. The upper support plate 9 is provided along the endless belt 8 on the back side of the lower conveying surface 8', and as shown in FIG. 1, the lower conveying surface 8' and the upper conveying surface 4' are approximately They are parallel to each other and have a spacing t corresponding to the thickness of the material.

Reference numeral 10 is installed on the machine base F in such a way that the vertical position of the sewing machine needle 11 is located approximately at the center of the gap 3 formed in common between the upper and lower endless belts 4 and 8; A conventionally known sewing machine is driven by a motor m, and a drive shaft 12 is installed on one side of the sewing machine 10 and is driven in synchronization with the vertical movement of the sewing machine needle 11. On the other hand, a rotational drive shaft is connected via a rotation mechanism 14, and this rotational drive shaft 13 is connected to the lower conveyance means.
A chain transmission mechanism 15 is provided between the lower roller 1 at the front end of C ₁ and the upper roller 6 at the front end of _the upper conveyance means C 2, and the operation of the drive shaft 12 is controlled by the upper and lower conveyance means C ₁ and C ₂ . transmitting, upper and lower conveying surfaces 4',
The material M sandwiched between 8' is intermittently moved forward (leftward in the figure).

Reference numeral 16 designates a backing plate erected from the machine base F along one side of which the rear half of _the conveying surface 4' of the lower conveying means _C1 , which is not opposed to the upper conveying means C2, is used as a supply and loading surface 17 for the material M. This contact plate 16 is used to bring the base of the material M into contact with the material M when it is placed on the supply and placement surface 17, thereby aligning the base to a constant level.

Reference numeral 18 designates a bearing member for the upper rollers 6 and 7 of the upper conveyance means _C2 , and reference numeral 19 represents a mounting member for the upper support plate 9. The bearing member 18 and the mounting member 19 both have an elongated hole 20' extending vertically to the machine base F and a set screw 2.
It has a height adjusting means 20 consisting of 0'',
The distance t between the upper and lower conveying surfaces 4', 8' can be adjusted depending on the thickness of the material M to be sewn or knitted.

21 is the endless belt 8 of the upper conveying means _C2
This tension roller 2
The mounting member 24 of No. 1 also has the long hole 20' and the set screw 2.
It has an adjustment means (not shown) similar to that of the sewing machine 0" and is configured to correspond to changes in height as well as the degree of tension. Reference numeral 22 indicates a hook of this type of sewing machine, which is provided on the lower back side of the sewing machine needle 11. , 23 are sewing stitches.

To describe the use of this device configured as described above, if an appropriate amount of material M is placed on the supply placement surface 17 on the left hand side in FIGS. As the surface 4' moves forward (to the left in the figure), the material M, whose roots are almost uniform, moves in a band shape with a thickness equal to the distance t between the upper and lower conveying surfaces 4' and 8'. , the sewing machine needle 11 of the sewing machine 10 reaches the vertical position, and the sewing stitch 2 is sewn by the cooperation of the sewing machine needle 11 that penetrates both the front and back together with the thread and the hook 22 provided on the lower back surface of the sewing machine needle 11.
3 is formed on the surface of the strip-shaped material. During this time, the upper and lower conveying means C ₁ and C ₂ rotate the upper roller 1 and the lower roller 6 at the front end in synchronization with the sewing operation of the sewing machine 10, and move intermittently in one direction (to the left in the figure), and move toward the exit side. In this case, the material M is sewn and knitted with the roots aligned, and when the material is wheat culm or rice straw, it becomes a machine-knitted komu, and when the material is hay, yoshi, bamboo, etc., it is machine-knitted.

In addition, when the present invention is used for sewing and knitting long materials, the framework to which the bearings of the upper rollers 6 and 7 of the upper conveying means in the embodiment are attached is constructed in the form of a cantilever bearing that supports only the base side. In addition, the sewing stitch in the example is one row, but if you want to make it into multiple rows of two or more rows, extend the support shaft of the sewing machine needle and the support shaft of the hook in the length direction to create the desired row. In some cases, a pair of sewing machine needles and hooks are attached at positions corresponding to the spacing.

Effects of the invention According to the invention configured as described above and adapted to be used as described above, the material placed in appropriate amounts on the material supply and placement surface is arranged so that the base of the material is almost uniformly aligned using the backing plate. However, it is possible to automatically sew and knit the material by a sewing machine while feeding it between upper and lower transport means, forming it into a belt shape of approximately constant thickness, and transporting it. Therefore, it is possible to replace the traditional labor-intensive manual work of making bamboo shoots, bamboo screens, etc. with machine knitting, which has the practical effect of improving work efficiency and maintaining almost constant quality.

[Brief explanation of the drawing]

The drawings show an embodiment of the invention, with FIG. 1 being a partially cutaway elevational view and FIG. 2 being a schematic plan view. F... Machine base, C ₁ ... Lower conveyance means, 1, 2...
...lower roller, 3...between, 4...endless belt, 4'...conveyance top surface, 5...support plate, _C2 ...
Upper conveyance means, 6, 7... Upper roller, 8... Endless belt, 8'... Lower conveyance surface, 9... Upper support plate, t... Spacing, 10... Sewing machine, m... Motor, 11... Sewing machine needle, 12... Drive shaft, 13
... Rotation drive shaft, 14 ... Intermittent one-way rotation mechanism, 1
5... Chain transmission mechanism, 16... Backing plate, 17...
... Supply mounting surface, 18 ... Bearing, 19 ... Mounting member, 20 ... Height adjustment means, 20' ... Elongated hole, 20'' ... Set screw, 21 ... Tension roller, 22 ... ...Hook, 23...Sewn stitch, M...
…material.

Claims (1)

[Claims for Utility Model Registration] (1) A pair of front and rear lower rollers 1 and 2 are rotatably supported on a machine base F in parallel with each other, and a plurality of endless belts 4 are attached to the lower rollers 1 and 2. A support plate 5 is provided on the back side of the conveying upper surface 4' of the endless belt 4, and the lower roller 1 at the front end is connected to the rotation drive shaft 13. A pair of front and rear upper rollers 6 _{and 7 are rotatably supported above the front half of the lower conveyance means C 1 ,} and the upper rollers 6 and 7 are connected to each other to form a lower conveyance means C 1 .
Above the gap 3 formed between the endless belts 4 of the lower conveyance means _C1 , a plurality of endless belts 8 are stretched between which the sewing machine needle moves up and down. 8 is formed into a lower conveying surface 8' which faces substantially parallel to the upper conveying surface 4' of the lower conveying means _C1 with a distance t corresponding to the thickness of the material, and the lower conveying surface 8' An upper support plate 9 is provided on the back side, and the upper roller 6 at the front end is connected to the rotation drive shaft 1.
3 and parallel to the lower conveying means _C1 ,
In addition, an upper conveying means _C2 is formed to move the material M sandwiched between them forward in the same direction, and the vertical position of the sewing machine needle 11 is located approximately in the center of the upper and lower endless belts 4 and 8. The sewing machine 10 is installed on the machine base F in this way, and the upper and lower conveying means C ₁ , The rotation drive shafts 13 of C ₂ are connected to each other via an intermittent one-way rotation mechanism 14, and the latter half of the upper conveying surface 4' of the lower conveying means C ₁ is used as a supplying and placing surface 17 for the material M. A knitting device for a knitting machine, a screen, etc., characterized in that a backing plate 16 is erected on a machine stand F. (2) The utility model registration claim 1 is characterized in that the bearing 18 of the upper roller 6 and the upper support plate 9 are provided with height adjustment means 20 and are installed on the machine stand F. A knitting device such as a strawberry or screen as described in item 1.