JPH0220304A - Chopstick-manufacturing device and matching device for semi-finished chopsticks therein - Google Patents

Abstract

PURPOSE:To enable perfect automation of a process for obtaining finished products after a hopper is charged with semi-finished chopsticks by matching a tapered stick form semi-product of chopsticks to a predetermined axis line by a matching device having a specified construction, prior to providing a splitting groove. CONSTITUTION:In a process for feeding a tapered stick form semi-finished product 4 of chopsticks from a hopper 10 into a splitting groove-forming device 14 through a feeder 12, a matching device 13 is provided by which the center axis of the semi-finished product 4 being fed is automatically matched to a predetermined axis line. The matching device 13 has a construction wherein, for example, the semi-finished product 4 being fed is clamped on both sides thereof by a pair of clamping rollers 34a, 34b of each guide unit 33, which rollers 34a, 34b can be opened wide equidistantly from the center line of a guide support member 28, and the center axis of the semi-finished product 4 is matched to the center line of the support member 28. In the figure, 37a and 37b are support arms for the rollers 34a and 34b, and 38 is a spring for energizing the arms 37a, 37b toward each other.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an apparatus for manufacturing tapered stick-shaped disposable chopsticks and an apparatus for aligning semi-finished disposable chopsticks in the apparatus.

[Conventional technology]

Conventionally, in order to manufacture 90% chopsticks, there is a transport device for half-prepared 20% chopsticks, a split groove forming device that forms a pair of split grooves along the central axis with the semi-finished product sandwiched in the transportation process, and a split groove forming device for forming a pair of split grooves along the central axis line with the semi-finished product in between during the conveyance process. A chamfer forming device is used to cut the outer peripheral corner of the semi-finished product, and a cutting device is used to cut the semi-finished product so that the pair of grooves communicate with each other while leaving the tail end.

[Problem to be solved by the invention]

Conventionally known tapered stick-shaped disposable chopsticks have taper surfaces formed on both sides so that one tail end is wide and the tip is narrow, and the semi-finished product before forming the 2-split groove etc. also has a similar taper shape. is formed. For this reason, when arranging a large number of semi-finished disposable chopsticks in a serial direction and feeding them into the groove forming device, it is difficult to align the center axes of the large number of semi-finished chopsticks in a straight line.

There is a problem in that the transport device for transporting the semi-finished products cannot be fully automated, and the semi-finished products being transported must be aligned manually.

[Means to solve the problem]

The present invention automatically aligns the central axis of the semi-finished chopsticks being transported onto a predetermined axis by providing an alignment device when the tapered stick-shaped semi-finished disposable chopsticks are fed from the hopper and then sent to the groove forming device via the conveying device. This makes it possible to fully automate disposable chopstick manufacturing equipment.

Two means of the disposable chopstick manufacturing apparatus according to the present invention include: a hopper for accommodating semi-finished disposable chopsticks in the shape of a tapered stick; and a delivery device for sending the semi-finished products from the hopper to Ichiki. ; a conveyance device that conveys the sent out semi-finished product in the longitudinal direction; an alignment device that aligns the central axis of the semi-finished product being conveyed on a predetermined axis; a pair of split grooves that sandwich the semi-finished product and run along the central axis; A chamfer forming device that cuts the outer peripheral corner of the semi-finished product; A cutting device that cuts the pair of split grooves so that they communicate with each other, leaving the tail end of the semi-finished product. At the point.

In addition, the apparatus for aligning semi-finished disposable chopsticks in the disposable chopstick manufacturing apparatus according to the present invention is configured as a means for aligning tapered stick-shaped semi-finished disposable chopsticks being conveyed in the longitudinal direction on a predetermined axis; A pair of clamping rollers that clamp both sides of the semi-finished product, a support arm that rotatably supports each roller and is rotatable in the direction of clamping the semi-finished product, and a WfiJ support arm that are pulled together in a direction. The guide unit 1 is provided with a resilient means for pushing the semi-finished product and an interlocking unit for rotating the two supporting arms only in the direction of holding and separating the semi-finished product from each other; Consisting of multiple disposable chopsticks arranged within the entire length of a semi-finished product: Located at a point.

〔Example〕

The present invention will be described in detail below based on the drawings.

First, before explaining the device, an outline of the manufacturing process of the disposable chopsticks invented by the present inventor will be explained.

As shown in FIG. 7, a log 1 cut to a predetermined length is prepared (FIG. 7A), and as described later, the log 1 is rotated around its axis and has a fixed blade on its circumference. I was forced to confront
A strip-shaped plate material 2 is continuously cut from the outer circumference of the log 1, and after the plate material 2 is transported, it is cut into predetermined intervals to form a veneer material 3 (FIG. 7B). This veneer material 3 is further After being transported, it is shredded into a tapered stick shape and made into disposable chopstick semi-finished products 4 (FIG. 7C). During this shredding, the standard for crossing the veneer material 3 is set in consideration of the yield of the veneer material 3. The line is sequentially cut along cutting lines that are inclined in different left and right directions.

The semi-finished disposable chopsticks 4 are then cut at the outer periphery corner to form a chamfered part 5 (FIG. 7D), and in any process before or after that, a pair of split parts are cut along the central axis line with the semi-finished product 4 in between. The grooves 6 are formed, and the cut grooves 7 are formed so as to communicate the pair of grooves 6, leaving the tail end of the semi-finished product 4, thereby obtaining the finished disposable chopsticks 8 (FIG. 7E) ).

In the second disposable chopstick manufacturing process, the device of the present invention is used in the seventh
It is used to turn the semi-finished disposable chopsticks 4 shown in FIG. C through the seventh drawing into the finished disposable chopsticks 8 shown in FIG. 7E.

In FIG. 1, the 20% chopstick manufacturing apparatus includes a hopper 10 that accommodates a tapered stick-shaped disposable chopstick semi-finished product 4, a delivery device 11 that delivers the semi-finished products one by one from the hopper, and a hopper that transports the semi-finished products sent out in the longitudinal direction. A conveying device 12 for conveying, an aligning device 13 for aligning the central axis of the semi-finished product being conveyed on a predetermined axis, and a groove forming device 14 for forming a pair of grooves 6 along the central axis with the semi-finished product sandwiched therebetween. , a chamfer forming device 15 that cuts the outer peripheral corner of the semi-finished product to form the chamfered portion 5; and a chamfer forming device 15 that cuts the outer peripheral corner of the semi-finished product to form the chamfered portion 5; and a cutting device 16 for forming a1.

In the turning process, the groove forming device 14 is placed in the front step and the chamfer forming device 15 is placed in the back step, but these devices may be placed in reverse order.

As shown in FIG. 2, the hopper 10 accommodates a large number of semi-finished disposable chopsticks 4 in a stacked manner, and a delivery device 11 is disposed at the bottom opening of the hopper 10.

As shown in FIG. 2, the delivery device 11 moves the semi-finished product 4 laterally in parallel.

It constitutes a conveyor 17 that sends semi-finished products 4 from a hopper 10 to a conveying device 12, and a control plate 18 is installed on the conveyor.
A semi-finished product 4 is provided between the conveyor 17 and the control board 18.
It forms a passageway that allows only one line to pass through. Furthermore, before the semi-finished products 4 reach below the control plate 18, an interference device 19 is provided to disperse the stacked semi-finished products 4. In the example shown in FIG. 2, the interference device 19 consists of a cage-shaped rotor that is interlocked with the drive pulley 20 of the belt conveyor 17 and impinges on the semi-finished product 4 on the conveyor 17 in a direction that pushes the semi-finished product 4 back.

As shown in FIGS. 1 and 2, the conveying device 12 is configured to carry single semi-finished disposable chopsticks 4 sent out by the sending device 11.
In the example shown in FIG. 0, the drive device 22 includes a drive device 22 that has a guide groove portion 1fA21 that receives the guide groove portion 1fA21 and projects the semi-finished product 4 held by the guide groove member 21 along the member 21. The endless belt 25 wound around the heald 24 is made W'l, and the impact piece 26 attached to the heald 25 runs through the slit 27 at the bottom of the guide groove member 21, thereby creating the impact. The piece 26 is configured to push out the tail end of the semi-finished product 4 in the guide groove member 21, and this drive device 22 is configured by a cylinder device that pushes out the tail end of the semi-finished product 4 in the guide groove member 21. However, the conveyor device 12 for conveying the semi-finished chopsticks to the final process may be used.

A guide support member 28 following the guide groove member 21 and the drive unit W22, and a pair of upper and lower general feed rollers 29 that follow,
30, and a pair of upper and lower conveyance rollers 3L32.

The aligning device 13 for semi-finished disposable chopsticks consists of guide groove members I and 33 that guide both sides of the semi-finished product 4 on a guide support member 28 following the guide groove member 21. That is, as shown in FIG. 3, the guide unit 33 includes a pair of clamping rollers 34a and 34b that clamp both sides of the semi-finished product 4, and supports each roller rotatably and holds the semi-finished product 4 against the base frame 36. Product 4
The semi-finished product 4 is provided with support arms 37a and 37b that are rotatably supported via support shafts 35 and 35 installed in the conveying direction of the semi-finished product 4, thereby rotating in a direction to sandwich the semi-finished product 4. The pair of support arms 37a and 37b are the resilient means 3.
8, they are urged toward each other in the direction of attraction. The elastic means 38 surrounds the other support arm 37b with a bracket 39 fixed to one support arm 37a and has a gate-shaped cross section, and an adjustment bolt 40 is screwed into the protruding end of the bracket 39 to adjust the adjustment. A compression spring 41 is interposed between the bolt 40 and the other support arm 37b, so that one support arm 37a, 37b is connected to the pair of clamping rollers 3.
4a and 34b are biased in a direction in which they are brought into contact with each other. In addition, each support arm 37a, 37b has a support shaft 35.35.
Gears 42a and 42b are fixedly concentric with the gears 42a and 42b, and both gears are meshed with each other.Therefore, the support arms 37a and 37b are interlocked in the sandwiching direction and the separating direction via the gears 42a and 42b. It constitutes an interlocking means 43 that rotates only the shaft. As shown in FIG. 1, a plurality of guide units 33 are arranged within the entire length of one half-finished chopstick product 4 with respect to the guide support member 28. That is, in the example of Figure 1.

5 guide units 33a, 33b, 3
3 c.

33d and 33e are provided. Based on this configuration, the disposable chopstick semi-finished product 4 being transported is held on both sides by the pair of holding rollers 34a and 34b of each guide unit 33, and at this time, the pair of holding rollers are separated from the center line of the guide support member 28. Since it is possible to expand at equal distances, the guide support member 2
Align it on the center line of 8.

The groove forming device 14 consists of a pair of rotary cutter means 44 and 45 disposed above and below, and cuts the central axis of the semi-finished product 4 conveyed on the guide support member 28 by sandwiching the semi-finished product 4 from above and below. A pair of grooves 6 are formed along the . These rotary cutter means 44,45 are as shown in FIG.

It is connected to a groove depth control lever 46 via an arm 47, and when the tip of the groove depth control lever 46 contacts the surface of the semi-finished product 4 and rotates, the two-rotation cutter means moves up and down in conjunction with this. It is configured to be movable. For example, when the semi-finished product 4 is thick, the groove depth control lever 46 rotates counterclockwise in the figure to pull up the rotary cutter means 44; on the other hand, when the semi-finished product 4 is thin, the groove depth control lever 46 rotates clockwise in the figure to push down the rotary cutter means 44, and in either case, the depth of the groove 6 cut from the surface of the semi-finished product 4 is constant.

The chamfer forming device 15, as shown in FIGS. 1 and 5,
In the example shown in FIG. 1, a pair of chamfer cutters 48 and 49 rotate to surround both sides of the disposable chopstick semi-finished product 4 that is conveyed on the guide support member 28.

Although the cutter is shown chamfering the outer peripheral corner of the semi-finished product 4, it may also be chamfered in a rounded shape. A guide plate 50 is provided,
The guide plate 50 is attached to the semi-finished product 4 formed in the previous process.
and guide the semi-finished product 4 so that it is positioned on a predetermined axis.

The cutting device 16 includes a rotary cutter 51 that forms a groove 7 for cutting the semi-finished chopstick 4 into two halves so that the pair of grooves 6 communicate with each other, leaving the legs of the semi-finished chopstick 4 intact.

A detection means 52 such as a photoelectric switch is provided near the rotary counter book 51 to detect the semi-finished disposable chopsticks 4 that have been conveyed. Emit at target signal. A cylinder device 53 that operates in response to this electrical signal is connected to the rotary cutter 51, and when cutting starts, the cylinder device 53 moves forward to cut the rotary cutter 5.
1 into the conveyance path of the semi-finished product 4, and when the cutting is completed, the rotary cutter 51 moves back and retreats from the conveyance path of the semi-finished product 4, thereby cutting the tail end of the halved chopsticks 8 as shown in FIG. A remaining portion 9 having no groove 7 is formed in the remaining portion 9 .

FIG. 8 shows another embodiment of the drive device 22 of the conveyance device 12, and the drive device 22 is connected to the delivery device 11.
A cylinder device 55 is configured to transport the tail end of the semi-finished chopstick 4 sent out into the guide groove member 21 in the direction of the extrusion aligning device 13. That is, the cylinder rod 56 of the cylinder device 55 is provided with a support stand 57, and the support stand 57 is provided with an auxiliary cylinder 58. A pushing member 60 is provided on the cylinder rod 59 of the auxiliary cylinder 58 . Then, the auxiliary cylinder 58 is operated to advance the cylinder rod 59.

With the pushing member 60 positioned at the tail end of the disposable chopstick semi-finished product 4, by operating the cylinder device 55 and advancing the cylinder rod 56, the 90% chopstick hand product 4 is pushed out from the guide groove member 21 to the alignment device 13. It will be done. After extrusion, the cylinder rod 59 is moved back by the auxiliary cylinder 55, and the pushing member 60
With the cylinder rod 56 being retracted from the guide groove member 21, the cylinder rod 56 is moved back by the cylinder device 55 to return to its original position. Thereafter, by repeating the same operation intermittently, the disposable chopstick semi-finished products 4 sent out from the sending device 11 can be sequentially transported.

FIG. 9 shows another embodiment of the pair of chamfer cutters 48, 49 of the chamfer forming bag 215. In this embodiment, the two-bevel cutter has a divided roll 6 divided into upper and lower parts.
Consists of 1.62.

It is attached to a support shaft 64 with a collar 63 interposed between the two. Therefore, by preparing a plurality of collars 63 having different thicknesses and selecting and using the necessary collar 63, the processed thickness t of the semi-finished chopsticks 4 can be changed.

〔Effect of the invention〕

As a result of the present invention configured as described above, the tapered stick-shaped disposable chopstick semi-finished product 4 to be conveyed is aligned on a predetermined axis by the aligning device 13 prior to forming the split grooves 6. Therefore, there is no need to align the semi-finished product 4 during transport, and the groove 6 along the central axis of the semi-finished product 4 can be reliably formed. Furthermore, as a result of the use of such an alignment device 13, it has become possible to completely automate the process from loading the semi-finished chopsticks 4 into the hopper 10 to sending them out from the hopper to obtain the finished disposable chopsticks 8. , which has the effect of improving productivity.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an entire embodiment of a disposable chopstick manufacturing apparatus according to the present invention, FIG. 2 is a cross-sectional view showing a hopper, a delivery device, and a conveyance device, and FIG. 4 is a side view showing the groove forming device, FIG. 5 is a sectional view showing the chamfer forming device, FIG. 6 is a central sectional view of the finished disposable chopsticks, FIG. 7A, B, C, D, and E are perspective views of each process of manufacturing disposable chopsticks from logs, FIG. 8 is a side view showing another embodiment of the conveying device, and FIG. 9 is a chamfer cutter and other parts in the chamfer forming device. FIG. 4... Semi-finished disposable chopsticks, 5... Chamfered part, 6... Split groove,
7... Cut groove, 8... Completed disposable chopsticks, 9... Remaining part,
10... Hopper, 11... Sending device, 12...
Conveyance device. 13... Aligning device, 14... Division groove forming device, 15.
... Chamfer forming device, 16... Cutting device, 21... Guide groove member, 28... Guide support member, 33... Guide unit 34a, 34b... Holding roller, 37
a, 37b... support arm, 38... explosive means, 4
3... Interlocking means.

Claims (1)

[Scope of Claims] 1. A hopper that accommodates tapered stick-shaped disposable chopstick semi-finished products; A delivery device that delivers the semi-finished products one by one from the hopper; A conveyance device that transports the sent semi-finished products in the longitudinal direction; ; an alignment device that aligns the center axis of the semi-finished product being transported on a predetermined axis; a groove forming device that forms a pair of grooves along the center axis with the semi-finished product sandwiched therebetween; a chamfer forming device for cutting; a cutting device for cutting the semi-finished product so that the pair of grooves communicate with each other while leaving the tail end;
A disposable chopstick manufacturing device comprising: 2. A device for aligning a tapered stick-shaped disposable chopstick semi-finished product being conveyed in the longitudinal direction on a predetermined axis, comprising: a pair of clamping rollers that clamp both sides of the semi-finished product, each roller being rotatably supported; a support arm rotatable in a direction to clamp the semi-finished product; a resilient means for biasing both support arms in a mutually drawing direction; and an interlocking movement of both support arms in mutually clamping and separating directions with respect to the semi-finished product. a guide unit provided with an interlocking means for rotating the disposable chopsticks; a plurality of the guide units are arranged within the entire length of the semi-finished disposable chopsticks;
A device for aligning semi-finished disposable chopsticks in a disposable chopstick manufacturing device, characterized in that: