JPH1058396A - Shell drilling method and device therefor, device body and shell holder used for the device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To constantly and accurately drill a hole through a shell at all times without any need of man power. SOLUTION: This shell drilling device is formed out of a holder 2 having a shell placement part with a center part open toward a shell array direction, belt conveyors 3a and 3b for intermittently transferring the holder 2 according to shell placement intervals, and a link device 17 for causing the advance and retreat of a drilling needle 14 to and from the external side of the holder 2 until the tip of the needle 14 passes the placement part opening of the holder 2 at the prescribed position thereof on a transfer route. Furthermore, the drilling device has a seat 24 positioned at the advance end of the drilling needle 14 and formed to come in contact with the back of a shell within the placement part opening of the holder 2 passing the position of the drilling needle 14, and a stopper 26 positioned at the drilling needle 14 so as to prevent the lift of the shell at the time of the retreat of the drilling needle 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for piercing a shell, which is capable of always piercing a shell with constant precision and accuracy, and which can be operated safely at the piercing position without requiring any manual operation. In addition, the present invention relates to the device, the device main body, and a shell holder used for the device.

[0002]

2. Description of the Related Art For example, oysters used for cultivation and cultivation of laver are suspended and used on a single string. The squid used in this way requires a perforation operation to secure it through the string. FIG. 5 shows the completed set, in which 50 is a squid (actually the lid), 51 is a hole drilled in the squid, and 52 is a hole 5
1 is a string in which oysters 50 are connected. Conventionally, when drilling a hole in this oyster, the tip advance position of a drill, etc., which is all set by hand, such as hitting a nail with a hammer and hitting the trailing end with a hammer, or all set manually The shell was then perforated by inserting the shell and holding it by hand.

[0003] In this case, a shell is taken out of a large number of prepared shells one by one and then perforated.

[0004] One hole is required for one shell, and one hole is required, and two holes are required.

[0005]

However, this conventional method has the following problems. 1. That is, the manual drilling operation is monotonous but requires skill, and inadvertently damages the hammer or slips the hand holding the shell, which may cause injury with the hammer or drill. was there. 2. If this shell is directly held by hand, there is a problem that lime generated when a hole is drilled or the surface of the shell is roughened so that the hand is roughened. 3. If all the steps from shell removal to positioning and drilling are done manually, the efficiency will not increase and the production volume will be unstable, and the productivity will be worse due to the difficulty of securing stability due to such a shortage of simple workers. There was a problem. 4. Further, in such a manual drilling operation, there is a problem that the positions of the holes are not constant, and when a plurality of holes are connected, the holes are not aligned, resulting in poor quality and reduced commercial value. In addition, misalignment of the hole causes edge loss, and there is a problem that accidents during culturing and culturing are particularly damaging. 5. Poor force applied during drilling or displacement of the drilling position, or poor manner of holding the shell back side.For example, many cracks of the shell occur when drilling the unsupported central part with both ends supported, and the yield is reduced. There was a problem that the economy was poor because the cost was low.

The present invention has been made to solve such a conventional problem, and its object is to provide:
A method for piercing a shell, in which a shell piercing operation is automated and a safe operation is performed, and a hole can be pierced to the shell at a constant and high accuracy. To provide.

[0007]

According to a first aspect of the present invention, there is provided a method for piercing a shell, wherein the shells are intermittently conveyed while being held in a line at substantially the same interval. In a state where the other surface side of the shell is supported at the shell stop position, the needle for piercing is penetrated from one surface side of the shell to the support portion to pierce the shell.

[0008] With this configuration, the drilling work of the shell can be made more efficient, the safety work can be achieved, and the shell can always be drilled with constant accuracy. In addition, the drilling operation can be automated. The shell is supported on the other side when drilling, and the shell is pierced by penetrating the drilling needle from one side to the supporting part, so that the shell can be prevented from being broken by bending and improving the yield. it can.

According to a second aspect of the present invention, there is provided a shell-piercing device having a mounting portion for mounting the shells in a line at substantially equal intervals in a line, and a center portion of the mounting portion opened in the shell row direction. Transport means for intermittently transporting the holding tool at intervals of placing the shell, and moving the piercing needle outward from the holding tool at a predetermined position on the transfer path of the holding tool until the needle point passes through the mounting portion opening of the holding tool. A perforation means for moving back and forth from a perforation needle, a receiving seat provided at a destination of the perforation needle and provided so as to be able to abut the rear surface of the shell in the mounting portion opening of the holding tool passing through the perforation needle position; A perforation device main body comprising a stopper for preventing the shell from lifting when the perforation needle retreats at a perforation needle position, and wherein the holding tool is locked to the transport means. Here, to lock the holding tool to the transporting means means that
This also includes the state where the holder is placed on the transporting means.

[0010] In this configuration, the shell is continuously but intermittently transported by the transport means, and each time the shell is stopped, the back surface is supported by the receiving seat, and the piercing needle is driven into the support, so that the shell is prevented from breaking. Prevention and the yield can be improved. Further, after the perforation, the stopper prevents the shell from moving in the retreating direction of the perforation needle, so that the shell can be easily removed from the perforation needle, and the operation can be performed smoothly. For this reason, it is possible to automate the drilling operation of the shell, to perform a safe operation, and to constantly and accurately drill a hole in the shell.

Further, in the holder according to the third aspect of the present invention, there is provided a holding portion for flatly placing the shells in a line at substantially the same interval, and the center of the mounting portion is opened in the shell row direction.

In this configuration, the shells are held at regular intervals, and the back side thereof is exposed from the holder by the opening of the mounting portion so that the receiving seat can be supported.

Further, in the holding tool according to the fourth aspect, the holding tool according to the third aspect has a configuration in which the frame has a partition for holding one shell per shell, and is formed in a box shape.

In this configuration, the shell is divided into one by the partition.
The individual pieces are held neatly, and even when intermittently conveyed, the stop position of the shell relative to the piercing needle is always accurate, the hole positions are aligned, and the quality is improved.

[0015] In the shell holding device according to the fifth aspect,
The holder according to claim 3 or 4 is formed of fiber reinforced plastic.

In this configuration, it is necessary to handle a large number of holders at the work site. However, even if the holder is made lightweight, it can withstand multiple laminations, and is safe, easy to handle, and easy to manufacture. .

According to a sixth aspect of the present invention, there is provided a shell punching apparatus main body, wherein the holding means according to the third, fourth, or fifth aspect is intermittently transferred at intervals of placing the shell, and a predetermined position of the holding tool on a transfer path. A piercing means for moving the piercing needle from the outside of the holder until the needle tip passes through the mounting portion opening of the holder, and a holder which is arranged at the destination of the piercing needle and passes through the piercing needle position. A receiving seat provided so as to be able to abut the back of the shell within the mounting portion opening, and a stopper at the position of the piercing needle, which prevents lifting of the shell when the piercing needle retreats. did.

In this configuration, the shell is continuously but intermittently transported by the transport means, and the back of the shell is supported by the receiving seat each time the shell is stopped, and the piercing needle is driven into the support, so that the shell is broken. Can be prevented and the yield can be improved. Further, after the perforation, the stopper prevents the shell from moving in the retreating direction of the perforation needle, so that the shell can be easily removed from the perforation needle, and the operation can be performed smoothly. For this reason, it is possible to automate the drilling operation of the shell, to perform a safe operation, and to constantly and accurately drill a hole in the shell.

Further, in the shell piercing device main body according to claim 7, the piercing needle according to claim 6 is a single needle type.
There is a two-needle type in which two are arranged at predetermined intervals, and both are configured to be freely exchangeable and attachable.

With this configuration, a shell having a specified number of holes can be easily manufactured simply by replacing the needle.

In the shell piercing device according to the present invention, the holding device is formed in an endless belt shape, and the intermittent conveying means includes the endless belt-like holding device. It was a pulley to be stretched.

In this configuration, the endless belt-shaped holding member and the pulley form a conveyor device, and one end of the conveyor device is set to the shell feeding side, and the other end is set to the perforated shell extracting side. And the shell inside the holder is pierced during transportation,
Since the perforated shell is automatically released at the other end, that is, at the inverted position of the endless belt-shaped holder, the worker only needs to insert the shell at one end of the holder, which is safe and efficient. Work can be done.

[0023]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing a shell drilling device A of the present embodiment, FIG. 2 is a partially cutaway side view showing a drilling device main body, FIG. 3 is a partially cutaway front view of the same, and FIG. (A) is a plan view of the holder, (B) is an enlarged sectional view taken along the line CC in FIG. (A), (C) is a partially enlarged perspective view, and 1 in the figure is a punching device main body. Reference numeral 2 denotes a holder, reference numeral 3a denotes a carry-in side with respect to the punching device main body, and reference numeral 3b denotes a pair of belt conveyors arranged on the carry-out side.

The punching device main body 1 is formed in a piercing type, in which 11 is a frame, 12 is a rod held up and down on the front surface of the frame, 13 is a sliding bearing thereof, and 14 is a tip of the rod. A two-needle-type piercing needle detachably mounted on a rod, 14a is a cap fitted to a rod, 1
Reference numeral 5 denotes a fixing screw. The two-needle type of the perforating needle 14 is shown by a solid line, and the one-needle type is shown by a one-dot chain line.

Reference numeral 16 denotes a speed reducer using a worm speed reducer, and 17 denotes an output shaft of the speed reducer 16 and the rod 1.
2 is a link device rotatably connected to the rear end, 18 is a pulley mounted on the input shaft of the speed reducer, 19 is a motor, 20 is a pulley mounted on the output shaft of the motor 19, and 21 is the pulley. This is a V-belt in which pulleys 18 and 20 are connected to each other. Reference numeral 22 denotes a safety cover that covers substantially the entirety of the punching device main body 1. In this mechanism, the rotational force of the electric motor 19 is transmitted to the speed reducer 16 and the rotational speed is reduced, and the rotational force drives the rod 12 to move the rod 12 up and down, thereby raising and lowering the perforating needle 14. become.

Reference numeral 23 denotes a cradle for the holder 2 described below.
It is provided below the rod 12 so as to protrude horizontally from the frame 11, and bolts are screwed into three places on the upper surface thereof. The head of the bolt serves as the other side receiving seat 24 when the oyster shell 50 is pierced. An escape hole 24a of the piercing needle 14 is provided at the center of the bolt to penetrate to the lower end. It is arranged so as to correspond to the needle position of the real needle type or the double needle type.

Reference numeral 26 denotes a stopper for preventing the oyster shell 50 from being lifted. The stopper 26 is disposed above the receiving base 23 with a space through which a holder 2 to be described later can be inserted. Also,
The stopper 26 has three through holes 26a through which the perforating needle 14 passes. The stopper is provided with a cushioning material such as rubber and sponge on the shell shell contact side.

The holders 2 are used to flatten the oysters 50 and hold them in a line. In this embodiment, the holders 2 are sized to hold ten oysters. In the figure, 25 is a rectangular frame, 27 is a mounting portion, 28 is an opening formed in the center of the mounting portion 27, and 29 is a partition for holding one squid. . The lower edge 29a of the opening portion of the intermediate partition 29 is provided on the upper surface of the mounting portion so that the holder 2 can pass through the receiving seat 24 smoothly when the holder 2 is mounted on the receiving base 23 and slid. It is provided one step higher. The holder 2 is integrally formed of glass fiber reinforced plastic as the above structure.
In addition, the size of the squid to be used generally varies, so the size is set in advance and divided into several classes. Alternatively, a holder may be provided in which the size of the mounting portion is set for each class by adjusting the wall thickness.

The belt conveyors 3a and 3b serve as intermittent interlocking conveying means. The conveying surface 30 is substantially at the same level as the upper surface of the pedestal 23. Each is arranged. The belt conveyors 3a and 3b adjust the timing of raising and lowering of the perforating needle 14, transport the needle of the perforating needle 14 while the needle point is located above the stopper, and stop the other parts. Perform intermittent transport. In this case, since the stop position must be accurate, a motor with a brake is used to drive the pulley, or the rotation speed of the motor for a certain period of time is changed to the forward and backward movement of the lever of the ratchet device. The transport surface may be moved by a predetermined distance by rotating the ratchet gear connected to the pulley by a predetermined angle when moving forward and backward. Alternatively, a fixed amount of momentum may be transmitted from the link device 17 or the link device provided separately from the rod 12, and then transmitted to the ratchet device to drive the pulley. In addition, a mating mark, a projection, or the like is provided on the transport surface 30 to indicate a position where the oyster of the holder 2 placed above is temporarily pierced when temporarily stopped, and an operator places the holder on the transport surface. At the time of placing, it should be aligned with the matching mark or locked to the projection. In FIG. 1, B is a squid set holder 2 arranged on the carry-in side belt conveyor 3a side.
It is a laminated part. Sensors such as the setting of the stop position of the perforating needle when the operation is stopped, the intermittent movement timing and the distance setting of the belt conveyor in the case of the electric motor drive, the pushing timing of the stacked holders, the counter and the like are appropriately provided.

Next, a method of using the present shell piercing device A will be described. First, the divided oyster hulls are placed in the same direction with their surfaces aligned with the holder 2 and stacked on the carry-in side conveyor 3a side. Driving the motor 19 to pierce the needle 1
Activate 4 Only one holder 2 is pushed out from the lower stage of the stacking section B and placed on the carry-in conveyor 3a which is intermittently conveyed in conjunction with the operation of the perforating needle. The carry-in conveyor 3a carries the holder 2 intermittently while carrying the holder 2 onto the cradle 23 and slides it. On this cradle 23,
At the position where the holder 2 is paused, the upper squid is
3, the back surface is supported by the receiving seats 24, 24 arranged on both upper sides.

When the oyster shell is supported by the receiving seat 24, the piercing needle 14 descends through the through hole 26a of the stopper 26 located above the oyster shell and pierces the oyster shell. Reach inside and make a full hole in the oyster. In this case, the punched waste is discharged downward through the escape hole 24a. Thereafter, the piercing needle 14 is raised. At this time, the oyster hull tends to be lifted by the piercing needle 14, but since the upper stopper 26 prevents this, the oyster hull is placed in the holder 2. Will remain. And
In this state, the carry-in side conveyor 3a starts to carry by a fixed amount. This operation is repeated, and after the leading end of the holder 2 has moved onto the unloading conveyor 3b, the holder 2 is conveyed by the unloading conveyor 3b until the last perforation of the oyster is completed. In addition, after the holder 2 currently drilling the oyster hull, the next holder is successively placed. After the end of the holder 2 has moved onto the carry-out conveyor 3b, the holder 2 is turned over manually or by a reversing device to transfer the squid into a predetermined container. By repeating this process, the oyster is automatically pierced.

As described above, in the shell piercing apparatus A of the present embodiment, a large number of oysters set on the holder 2 can be automatically pierced one after another.
At the time of transportation and perforation, no manual operation is required, so that safe work can be performed. At the time of perforation, a pair of perforating needles 14 arranged at a predetermined interval are raised and lowered from a predetermined position on the oysters stopped at a predetermined position to perforate, so that the interval between the holes and the center position of the interval are always constant. You can obtain a uniform squid. At the time of drilling, the seat 24 is made of oyster shell 50.
Directly receives the back surface of the piercing position, so that the squid can be pierced without being damaged. Further, in this case, the punching waste is discharged downward from the escape hole 24a and does not accumulate on the upper surface of the receiving seat, so that the drilling can always be performed accurately and smoothly. When raising the piercing needle 14 after piercing, the stopper 26 prevents the husk from being lifted further, so that the time required for one step can be reduced and the piercing operation can be performed efficiently. Since the perforating needle is removable,
If necessary, it can be replaced with a single-hole perforating needle.
The holder 2 arranges the oysters at equal intervals, and can perform accurate drilling. Further, after the husk sorting, the form can be maintained even after the perforation, so that the post-process can be efficiently performed regardless of the large-scale processing. Opening 28
Is designed to smoothly pass the position of the receiving seat 24 so as not to complicate the mechanism on the side of the punching device main body. Also,
Since it is formed of glass fiber reinforced plastic, it is durable and durable even when formed lightweight, and can withstand many laminations. In addition, even if handled roughly, no noise or deformation occurs, and anyone can handle it safely and easily. The belt conveyor as an intermittent conveyance means
It has a simple structure and can be easily incorporated into the punching device main body.

Although the embodiment of the present invention has been described above, the specific configuration of the present invention is not limited to this embodiment, and there are design changes and the like within a range not departing from the gist of the invention. This is also included in the present invention.

For example, in the embodiment, the belt conveyor is arranged and used on both sides of the cradle 23 as the intermittent conveying means. However, the present invention is not limited to this. A roller chain conveyor or a pusher conveyor may be used.
In this case, the conveyor from the loading side to the unloading side may be performed by one conveyor. Also, a pusher for forming a transport path by the guide rail and pushing the holder on the guide rail in the transport path direction is provided, and a constant amount of momentum is applied to the link device 17 or a link device separately provided from the rod 12. The transmission may be transmitted to the pusher for intermittent driving. The means for advancing and retracting the perforating needle is optional, and may be a screw shaft rotation type or an electric cylinder type. The perforating needle may be rotated or vibrated, or a drill may be used. Although the receiving seat 24 uses a bolt head, a perforated steel bar or the like may be provided by screwing or welding.

Although the holder and the intermittent conveying means are described as being provided separately, the holder, the opening, the partition and the like in the form of the holder are continuously provided between the endless chains of the roller chain conveyor, and the holder is held. The tool and the intermittent conveying means may be formed integrally. In this case, the squid is supplied manually or automatically one by one at the starting end of the roller chain conveyor, and the squid is automatically discharged at the reversing side of the chain at the end,
This can be easily transferred to another container.

[0036]

As described above, according to the first aspect of the present invention,
In the shell piercing method according to the description, since the above configuration, the efficiency of the shell piercing operation, and in order to achieve safe work,
You will always be able to pierce the shell with constant precision. In addition, the drilling operation can be automated. The shell is supported on the other side when drilling, and the shell is pierced by penetrating the drilling needle from one side to the supporting part, so that the shell can be prevented from being broken by bending and improving the yield. The effect of being able to do is obtained.

According to the second aspect of the present invention, since the shell is configured as described above, the shell is continuously but intermittently transported by the transport means, and the back surface is supported by the receiving seat every time the shell is stopped. Driving the perforating needle into the support,
The shell can be prevented from breaking and the yield can be improved. Further, after the perforation, the stopper prevents the shell from moving in the retreating direction of the perforation needle, so that the shell can be easily removed from the perforation needle, and the operation can be performed smoothly. For this reason, the effect of automating the drilling operation of the shell, ensuring the safety operation, and always being able to constantly and accurately drill the hole in the shell is obtained.

According to the third aspect of the present invention, since the shell is held at a constant interval because of the above-described configuration, if the shell is intermittently conveyed at regular intervals, the shell always stops at the needle position for piercing. And can be perforated. Also, the back side of the shell is damaged by the opening of the mounting part, so that the receiving seat is the back of the shell and is exposed from the holder so that the position of the perforated part can be supported. Therefore, the yield at the time of machining can be improved, and effects such as not complicating the mechanism on the side of the drilling device main body can be obtained by smoothly passing the receiving seat position.

In the holder according to the fourth aspect of the present invention, since the shell is configured as described above, the shells are held one by one by the partition so that the stop position of the shell with respect to the perforating needle is always accurate even if the shell is intermittently conveyed. The effect that the hole positions are aligned and the quality can be improved is obtained.

In the holder according to the fifth aspect, since the above-described structure is employed, it is necessary to handle a large number of holders at the work site. Effects such as easy handling and easy manufacture are obtained.

According to the sixth aspect of the present invention, since the shell is configured as described above, the shell is continuously but intermittently transported by the transport means, and the back of the shell is supported by the receiving seat each time the shell is stopped. Since the piercing needle is driven into the support, the shell can be prevented from breaking, and the yield can be improved. Further, after the perforation, the stopper prevents the shell from moving in the retreating direction of the perforation needle, so that the shell can be easily removed from the perforation needle, and the operation can be performed smoothly. Further, for this reason, effects such as automating the drilling operation of the shell to ensure safe operation, and being able to constantly and accurately drill holes in the shell are obtained.

According to the main body of the shell piercing device according to the seventh aspect, since the above configuration is adopted, it is possible to easily produce a shell having a specified number of holes simply by changing needles.

In the shell piercing device according to the present invention, the endless belt-shaped holding tool and the pulley form a conveyor device, and one end of the holding device and the pulley are the shell shell input side. The end side is the take-out side of the perforated shell. The shell in the holder is pierced during the transportation, and the pierced shell is automatically released at the other end, that is, at the inverted position of the endless belt-shaped holder. In this case, it is only necessary to put shells, and an effect such as safe and efficient work can be obtained.

[Brief description of the drawings]

FIG. 1 is a front view showing a shell piercing device according to an embodiment of the present invention.

FIG. 2 is a partially cutaway side view showing a shell perforation apparatus main body of the embodiment.

FIG. 3 is a partially cutaway front view showing a shell piercing device main body of the embodiment.

FIG. 4A is a plan view showing a holder according to the embodiment. (B) It is an expanded sectional view by CC line of figure (a). (C) It is the perspective view which expanded a part of holder.

FIG. 5 is an explanatory view showing a state in which oysters are connected by a string for laver cultivation.

[Explanation of symbols]

 A Shell Punching Device 1 Punching Device Main Body 2 Holder 3a Carrying Side Belt Conveyor (Intermittent Conveying Means) 3b Unloading Side Belt Conveyor (Intermittent Conveying Means) 14 Needle for Drilling 15 Screw for Fixing Needle for Drilling 17 Link Device 23 Receiving Stand 24 Receiving seat 24a Escape hole for perforating needle 25 Frame of holder 26 Stopper 26a Evacuation hole for perforation needle of stopper 27 Mounting portion of holding device 28 Opening provided at center of mounting portion 29 Holding device Partition 30 Conveyor surface of belt conveyor 50 Oyster

Claims (8)

[Claims] 1. A needle for piercing from one surface of a shell to the support portion while holding the other surface of the shell at a stop position of the shell during the transportation while holding the shell in a line at substantially the same interval. A method for piercing a shell, comprising piercing a shell to pierce the shell. 2. A holding unit having flatly placed shells in a line at substantially the same interval, and a holder having a center portion of the mounting unit opened in the direction of the shell row; Transport means for intermittently transporting the holding tool, punching means for advancing and retreating a perforating needle from the outside of the holding tool until the needle tip passes through a mounting portion opening of the holding tool at a predetermined position on the conveying path of the holding tool, and the perforating needle A receiving seat which is disposed at the destination of the piercing member and which is capable of abutting the rear surface of the shell in the mounting portion opening of the holder passing through the piercing needle position; and the piercing needle at the piercing needle position. A punching device main body comprising a stopper for preventing the shell from being lifted when retreating, wherein the holding tool is locked to the transporting means. 3. A holder having a mounting portion for flatly mounting shells in a line at substantially the same interval, and a center portion of the mounting portion being opened in a shell row direction. 4. The holding tool according to claim 3, wherein the holding tool is formed in a box shape with a frame in the frame body for holding one shell per shell. 5. The holding tool according to claim 3, wherein the holding tool is made of fiber reinforced plastic. 6. A transport means for intermittently transporting the holding tool according to claim 3, 4 or 5 at a mounting interval of shells, and a stylus for a stylus of a holding part opening of the holding tool at a predetermined position on a feeding path of the holding tool. A piercing means for moving the piercing needle from the outside of the holder until it passes therethrough; and a back surface of the shell inside the mounting portion opening of the holder which is disposed at the destination of the piercing needle and passes through the piercing needle position. A shell piercing device main body, comprising: a receiving seat provided so as to be able to contact therewith; and a stopper at the position of the piercing needle, which prevents lifting of the shell when the piercing needle retreats. 7. The perforating needle includes a single-needle type and a two-needle type in which two needles are provided at a predetermined interval, all of which are formed so as to be exchangeable and attachable. The shell-piercing device body according to claim 6, wherein 8. The holder is formed in an endless belt shape,
3. The apparatus according to claim 2, wherein said intermittent transport means is a pulley for stretching said endless belt-shaped holder.