JPH0719754Y2 - Cutting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a cutting machine used for slicing vegetables such as radish and food such as kelp into predetermined dimensions.

(Prior Art) A so-called food slicer is used to slice food such as radish into a predetermined size. A belt type cutting machine is generally used as the food slicer. Such a belt type cutting machine has a horizontally wound endless belt which is intermittently driven. The food to be cut is placed on the endless belt and intermittently driven at a predetermined pitch by intermittently driving the endless belt. At the downstream portion of the endless belt, the reduction head and the cutting blade move up and down in synchronization with the intermittent driving. Thus, the food to be cut, which is conveyed by the endless belt, is fixed on the endless belt by the reduction head and cut by the cutting blade every time the endless belt stops.

(Problems to be solved by the invention) In such a cutting machine, a ratchet gear is usually used to drive the endless belt intermittently. There is a problem that the ratchet gear slightly rotates in the reverse direction and returns when the ratchet gear stops. Therefore, the endless belt that conveys the article to be cut may move in the direction opposite to the conveying direction when the intermittent drive is stopped, and the article cannot be sliced into a predetermined size. The ratchet gear also has a problem that noise is generated due to rotation in the returning direction when stopped. Furthermore, when the ratchet gear is driven intermittently, the feed dimension is specified by the spacing between the teeth of the ratchet gear.For example, when the spacing between the teeth is 0.5 mm, it should be a positive multiple of 0.5 mm. The feed dimension cannot be set.

Further, in such a cutting machine, when the cutting blade is worn, the sharpness of the cutting blade is deteriorated, and the cut end may be deformed or cracked. Furthermore, when cutting articles with different thicknesses and thicknesses at the same time, such as when cutting radish, thick or thick ones are reliably pressed by the reduction head, but thin ones mixed between them. For the thin one, the pressure applied by the reduction head becomes insufficient. As a result, if the pressure applied by the pressing head is not sufficient, it is cut in a state where it is not sufficiently fixed on the endless belt and moves forward, so that it may not be cut into a predetermined size.

The present invention solves the above-mentioned conventional problems, and an object thereof is to provide a cutting machine that can reliably cut an article to be cut into a predetermined size and that can suppress the generation of noise during cutting. It is in.

Another object of the present invention is to provide a cutting machine that can cut an article to be cut without causing deformation or cracking at the cut end. It is still another object of the present invention to provide a cutting machine that can reliably fix thin or thin articles on an endless belt when cutting articles having different thicknesses and thicknesses at the same time.

(Means for Solving the Problems) The cutting machine of the present invention is wound around a plurality of pulleys so that the surface on which the article to be cut is placed and conveyed is inclined in the width direction. An endless belt, a ratchet gear coupled to a pulley for driving the endless belt to transmit power, and a ratchet gear interposed between the ratchet gear and a rotary shaft transmitting power to the ratchet gear. A one-way clutch that blocks the rotation of the gear in the return direction and a blade edge of the lower part thereof are arranged along the width direction of the endless belt in a tilted state similar to the tilted state of the endless belt in the width direction. , A cutting blade that moves up and down in synchronization with intermittent driving of the endless belt, and an upstream side of the cutting blade that is arranged so as to move up and down in synchronization with lifting and lowering of the cutting blade, and a lower portion of the width of the endless belt. And a pressing head having a comb-like shape along the direction, thereby achieving the above object.

(Embodiment) The present invention will be described below with reference to an embodiment thereof.

As shown in FIG. 1, the cutting machine of the present invention comprises a conveying means 10 for intermittently conveying an article to be cut at a predetermined pitch, and an article to be cut intermittently conveyed by the conveying means 10. A cutting means (20) for cutting each stop is provided.

The conveying means 10 includes an urethane endless belt 11 and a pair of drive pulleys 12a around which the endless belt 11 is wound.
And a driven pulley 12b.

The drive pulley 12a and the driven pulley 12b are
The endless belt 11 wound around the driving pulleys 12a and 12b is equally inclined with respect to the horizontal direction. As shown in FIG. 2 and FIG. The part is in an inclined state in which it is located above the other side part.

The drive pulley 12a is intermittently driven by the ratchet gear 13. The ratchet gear 13 is attached to a rotary shaft 15 of a drive motor via a pair of one-way clutches 16 and 17. Each one-way clutch 16 and 17 is concentrically fitted to the rotation shaft 15 of the drive motor, and each of them can freely rotate in the rotation direction of the output shaft 15 of the drive motor, but rotates in the opposite direction. It is supposed not to be done.
Therefore, when the rotary shaft 15 of the drive motor rotates at a constant speed, the rotation is transmitted to the ratchet gear 13 via the one-way clutches 16 and 17, and the ratchet gear 13
It rotates intermittently at a cycle corresponding to the tooth pitch of. Then, the drive pulley 12a is intermittently rotated in synchronization with the cycle, and the endless belt 11 is intermittently driven at a predetermined pitch. At this time, one of the pair of one-way clutches 16 and 17 interposed between the ratchet gear 13 and the rotation shaft 15 of the drive motor prevents the intermittent rotation of the ratchet gear 13 from rotating in the returning direction when the ratchet gear 13 is stopped. Block. As a result, the drive pulley 12a, which is driven intermittently, rotates the endless belt 11 only in the conveying direction and does not rotate it in the opposite direction. The other one-way clutch is the drive pulley 12
When a is stopped, the reaction force from the endless belt 11 applied to the drive pulley 12a prevents the drive pulley 12a from rotating.

The article 30 to be cut is placed on the endless belt 11 at the upstream portion of the endless belt 11. The article 30 to be cut placed on the endless belt 11 is intermittently moved at a predetermined pitch toward the downstream side by the intermittent drive of the endless belt 11, and the endless belt 11 is provided downstream of the endless belt 11. It is caught between the pressing roller 14 and the pressing roller 14. The pressing roller 14 is adapted to rotate in synchronization with the intermittent drive of the endless belt 11.

The cutting means 20 has a reduction head 21 and a cutting blade 22. The reduction head 21 and the cutting blade 22 are reduction rollers of the conveyance means 10.
They are arranged downstream of 14 in order in the carrying direction.
The reduction head 21 is moved up and down at a predetermined cycle by a drive motor of the conveyance means 10 in a vertical plane orthogonal to the conveyance direction of the article 30 to be cut. That is, the power of the driving motor of the conveying means 10 is transmitted to the crank mechanism, and the reduction head 21 connected to the crank mechanism moves up and down in synchronization with the intermittent driving of the endless belt 11 by the rotation of the motor. Thus, every time the endless belt 11 is stopped, the article 30 to be cut is moved by the reduction head 21.
Fixed on top.

As shown in FIG. 2, the pressing head 21 has a comb-shaped lower end portion divided into a plurality of parts along the width direction of the endless belt 11. Therefore, articles 30 of different thickness and thickness
However, when conveyed by the endless belt 11 in a state of being arranged in the width direction of the endless belt 11, a thick article or a thick article becomes a state in which it is pressed between the tips of the pressing heads 21, and a thin article 30 or thin article 30 is a reduction head
It will be pressed at the tip of 21. As a result, the thin article 30 and the thin article 30 are reliably fixed on the endless belt 11.

The cutting blade 22 arranged on the downstream side of the reduction head 21 is arranged in a state orthogonal to the conveying direction of the endless belt 11, and a cutting edge is formed on the entire lower part thereof. Like the reduction head 21, the cutting blade 22 is also moved up and down in synchronization with the intermittent drive of the endless belt 11 by using the drive motor of the conveying means 10 as a power source. As a result, the article 30 to be cut is fixed by the reduction head 21 and cut by the cutting blade 22 every time the article 30 is stopped. As shown in FIG. 3, the cutting edge of the cutting blade 22 is inclined over the entire width in the same inclined state as the widthwise inclined state of the endless belt 11. Therefore, the cutting blade 22 is obliquely cut into the article 30 to be cut.

With the cutting machine of the present invention having such a structure, the articles to be cut
30 is cut as follows.

When the motor for driving the conveying means 10 is operated, the ratchet gear 13 intermittently rotates in a cycle corresponding to the tooth pitch, and the cutting means 20 synchronizes with the intermittent rotation.
The pressing head 21 and the cutting blade 22 are repeatedly moved up and down.

Due to the intermittent rotation of the ratchet gear 13, the ratchet gear 13
The drive pulley 12a connected to is intermittently rotated, whereby the endless belt 11 is intermittently driven at a predetermined pitch. During this intermittent drive, when the ratchet gear 13 stops, the ratchet gear 13 is prevented from rotating in the reverse direction by the one-way clutches 16 and 17, and the ratchet gear 13 from the endless belt 11 via the drive pulley 12a.
Reverse rotation applied to is blocked. Therefore, the drive pulley 12a
As a result, the endless belt 11 is reliably moved in a predetermined direction at a predetermined pitch without returning. Moreover, there is no possibility that noise will be generated when the ratchet gear 13 is stopped. Then, every time the endless belt 11 stops, the reduction head 21 and the cutting blade 22 descend at the downstream portion thereof.

In such a state, the article 30 to be cut is placed on the upstream portion of the endless belt 11, and by intermittently driving the endless belt 11, the article 30 is conveyed toward the downstream side at a predetermined pitch. It And the items to be cut are
At the downstream portion of the endless belt 11, the reduction roller 14
Is fixed on the endless belt 11 by
The portion of the article 30 to be cut, which is located on the transport direction side of 14, is cut by the cutting blade 22. Since the pressing head 21 has a comb-teeth shape, even when articles 30 having different thicknesses and thicknesses are conveyed on the endless belt 11 side by side in the width direction, the thin articles 30 and thin articles 30 are also The reduction head 21 is securely fixed on the endless belt 11. Therefore, when the article 30 is cut, there is no possibility that the article 30 moves, and as described above, the endless belt 11 does not retract, and the article 30 is accurately cut into a predetermined size.

In addition, the endless belt 11 that conveys the article 30 and the article
The cutting blade 22 that cuts 30 has a lower cutting edge that is inclined in the width direction of the endless belt 11.
The cutting edge of 22 is cut diagonally into the article 30. Therefore, the sharpness of the article 30 by the cutting blade 22 is good, and even if the cutting edge is worn, the sharpness of the article 30 is excellent. As a result, the article 30
Deformation or cracking of the cut end is prevented. Further, wear of the cutting edge is suppressed, and the life of the cutting blade 22 is extended.

Further, the feeding size of the article by the ratchet gear 13 can be set to any size larger than the spacing between the teeth of the ratchet gear 13. In other words, ratchet gear 13
And the one-way clutches 15 and 16 are interposed between the ratchet gear 13 and the rotating shaft that transmits power to the ratchet gear 13,
Even if the ratchet gear 13 is further rotated by a predetermined dimension with respect to the feed dimension of the ratchet gear 13, the ratchet gear 13 does not move backward, and therefore, the feed dimension of the article to be cut is arbitrarily set. be able to.

(Effects of the Invention) As described above, the cutting machine of the present invention prevents the ratchet gear from rotating the ratchet gear in the returning direction between the ratchet gear that drives the endless belt intermittently and the rotary shaft that transmits power to the ratchet gear. Since the blocking one-way clutch is provided, the article to be cut can be reliably conveyed at a predetermined pitch, and the article can be accurately sliced into a predetermined size. Further, generation of noise that occurs when the ratchet gear returns is prevented. Moreover, the feed size of the article to be cut can be set arbitrarily. Furthermore, since the cutting edge of the cutting blade is inclined so that the cutting blade is obliquely cut into the article, the cutting blade has good sharpness, and it is possible to prevent deformation or cracking at the cut end of the cut article. it can. Also,
The wear of the cutting edge is also suppressed, and the cutting blade replacement cycle is extended. Furthermore, since the comb-shaped reduction head is provided on the upstream side of the cutting blade, even when articles having different thicknesses and thicknesses are mixed, thin articles and thin articles can be reliably provided on the upstream side of the cutting blade. Can be fixed. Therefore, there is no risk that these articles will move during cutting, and uneven cutting width due to the movement can be prevented.

[Brief description of drawings]

FIG. 1 is a side view of a cutting machine showing an embodiment of the present invention, and FIG.
The figure is a view taken along the line II-II in FIG. 1, and FIG. 3 is the line III-III in FIG.
FIG. 10 …… Conveying means, 11 …… Endless belt, 13 …… Ratchet gear, 20 …… Cleaving means, 21 …… Pressing head, 22…
… Cutting blade, 30… Goods.

Claims (1)

[Scope of utility model registration request] 1. An endless belt wound between a plurality of pulleys so that a surface on which an article to be cut is placed and conveyed is inclined in the width direction, and the endless belt is driven. A ratchet gear connected to the pulley for transmitting power, and a ratchet gear interposed between the ratchet gear and a rotary shaft transmitting power to the ratchet gear to prevent the ratchet gear from rotating in the return direction. The directional clutch and the lower cutting edge thereof are arranged along the width direction of the endless belt in a tilted state similar to the widthwise tilted state of the endless belt, in synchronization with the intermittent drive of the endless belt. A cutting blade that moves up and down, and an upstream side of the cutting blade that is arranged so as to move up and down in synchronization with the lifting of the cutting blade, and the lower part of the pressing blade has a comb tooth shape along the width direction of the endless belt. F A cutting machine equipped with a pad.