JP2001061326A - Device for cutting vegetable with head - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a head-having vegetable cutting device which is suitably adopted into a harvester for harvesting head-having vegetables such as cabbages and which can precisely cut off the rhizomes of the vegetables from the head portions. SOLUTION: A nipping and carrying portion 2 is synchronously driven with a cutting blade-driving portion 6. It is detected that the rhizome of a vegetable having a head is placed at a prescribed position in the nipping and carrying portion 2. and a cutting blade 5 is then reciprocatively moved from the side of the nipping and carrying portion 2 to a position for carrying the rhizome. The cutting blade 5 has a circular or curved cross-sectional shape expanded on the side of the head 1a. A contact terminal 7 coming into contact with the carried rhizome is disposed between one pair of right and left augers in the nipping and carrying portion 2. The cutting blade-driving portion 6 is driven in connection with the contact terminal to once reciprocate the cutting blade from a cutting-waiting position to a cutting position. In interlock with the operation of the cutting blade-driving portion 6 the connection of the contact terminal to the cutting blade-driving portion 6 is cancelled. Energizing mechanisms 13, 14 for returning the contact terminal to the contact-waiting position at a stage when the rhizome is carried to a position being not in contact with the contact terminal are arranged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for cutting head vegetables, which is suitable for use in a harvester for harvesting head vegetables such as cabbage and which cuts a rhizome part from a head part with high precision.

[0002]

2. Description of the Related Art Conventionally, a pair of left and right scraping devices for scraping cabbage vegetated in a field with the progress of the machine is provided at the tip of the body driven by a traveling device, followed by the scraping device. Nipping and pulling the rhizome of the cabbage scraped by the squeezing device, and cutting the rhizome from the head-and-tube part of the pair of left and right augers that transports backward while holding the rhizome. Cabbage harvesters having a cutting blade drive for driving the cutting blades are well known.

[0003]

In the above-mentioned cabbage harvesting machine, the cabbage which is conveyed while the rhizome is sandwiched by a pair of left and right augers (biaxial) has a conveying posture of:
There is a property that it is hardly inclined in the horizontal direction but is easily inclined in the front-back direction. For this reason, a disk-shaped cutting device in which the cutting blade of the cutting device is provided in parallel with the biaxial auger,
As disclosed in Japanese Patent Application Laid-Open No. 8-280222, a U-shaped intermittently-rotating finishing cutter in a front view is provided in the middle portion of the laterally transporting belts 17 for transporting while sandwiching both sides of the head vegetable K. 3, the stem detecting sensor 4 is arranged in front of the finishing cutter 3, and after a predetermined time from detecting the stem Ka of the headed vegetable K, the finishing cutter 3 is rotated in position, and the stem of the headed vegetable K is rotated. A cutter in which the root is cut into a hemisphere, as disclosed in Japanese Patent Application Laid-Open No. 9-38, a cutter C is rotatable by a rotating shaft 4 orthogonal to the screw conveyors 3a and 3b. In the case where a plurality of blade plates 5 having a large diameter at the center portion 5a and small diameters at both ends 5b and 5c are arranged, when the cabbage is conveyed while being inclined back and forth, the rhizome portion is appropriately adjusted. Can not be cut in the state Wounded by cutting a part of the heading portion, may sometimes reduce the commercial value, there is a problem that. The present invention has been made to solve the above problems.

[0004]

In order to achieve the above object, the present invention provides: A head and vegetable cutting device having a nipping and transporting portion for nipping and transporting a rhizome portion of a harvested vegetable having a head portion and a rhizome portion, and a cutting blade driving portion for driving a cutting blade for cutting the rhizome portion from the transported head portion In the, while driving the nip transport unit and the cutting blade drive unit in synchronization, by detecting that there is a rhizome at a predetermined position of the nip transport unit, the rhizome is transported from the side of the nip transport unit The cutting blade having an arc-shaped or curved cross-sectional shape that bulges toward the ball-head portion toward a certain position is reciprocally operated.

B. The nipping and transporting section is constituted by a pair of left and right augers, and a contact terminal is provided between the pair of augers to contact and detect the moving rhizome.

C. In cooperation with the contact terminal, the cutting blade drive unit is activated to cause the cutting blade to reciprocate once from the cutting standby position to the cutting position, and the connection between the contact terminal and the cutting blade drive unit in conjunction with the operation of the cutting blade drive unit. A biasing mechanism is provided to release and return the contact terminal to the contact standby position when the rhizome is transported to a position where the rhizome does not contact the contact terminal, and the biasing mechanism links the contact terminal and the cutting blade drive again. It is characterized by returning to the state.

D. A pressing device that moves up and down in contact with the top of the head to be conveyed is provided above the nipping and transporting unit, and the height of the cutting blade reciprocally operated by the cutting blade driving unit from the side of the nipping and transporting unit is adjusted up and down. The pressing device and the cutting blade drive unit are linked by a link rod, and the height of the cutting blade is moved up and down in conjunction with the height of the ball forming unit.

[0008]

According to the above arrangement, the apparatus for cutting head vegetables according to the present invention operates as follows. . The above A. By having the configuration, the nipping and transporting unit and the cutting blade driving unit are driven in synchronization with each other, and it is detected that the rhizome is at a predetermined position of the nipping and transporting unit. The cutting blade reciprocates toward the transported position and cuts the root of the rhizome from the bulbous part in an arc shape even if the bulbous vegetable is inclined back and forth, so that the rhizome part is appropriate without damaging the bulbous part And resected.

[0009] B. above. By having the configuration of
A contact terminal is provided between the pair of left and right augers to contact and detect the moving rhizome, and the cutting blade detects the rhizome at a position one pitch before the auger transport position at which the rhizome is cut. The cutting blade drive unit is operated, and the rhizome is cut from the bulb by the cutting blade, and the rhizome is properly cut off without damaging the bulb.

[0010] C. above. By having the configuration of
In cooperation with the contact terminal, the cutting blade drive unit is activated to make the cutting blade reciprocate once from the cutting standby position to the cutting position, and cut the rhizome from the head. The cutting blade can cut the rhizome portion of the head vegetable being conveyed accurately by rotating the nipping / conveying portion and the cutting drive portion in synchronism. When the cutting blade drive unit is activated, the connection between the contact terminal and the cutting blade drive unit is released,
When the rhizome is conveyed to a position where the rhizome does not contact the contact terminal, the contact terminal returns to the contact standby position by the urging mechanism, and the contact terminal and the cutting blade drive unit return to the linked state again. Thus, it is possible to avoid an error in which the cutting blade driving unit operates a plurality of times for one head vegetable to cut the head part.

[0011] The above D. By having the configuration of
The height of the cutting blade reciprocated by the cutting blade drive unit is adjusted up and down in conjunction with the vertical movement of the pressing device provided above the nipping and transporting unit, and the height of the cutting blade is adjusted in conjunction with the height of the ball head. The tuber is moved up and down, and the rhizome is cut off from the bulbous part at an appropriate height by a cutting blade.

[0012]

Embodiments of the present invention will be specifically described below with reference to the accompanying drawings. FIG. 1 is an overall perspective view of a first embodiment of a head vegetable cutting apparatus according to the present invention, which can be used alone as a cutting apparatus and can be easily incorporated into a known cabbage harvester. Sign 1
Is a cabbage extracted from the field and has a head portion 1a and a rhizome portion 1b. Rhizome part 1b
A pair of left and right screw augers (nipping and transporting unit) 2 for nipping and transporting in the direction of the arrow are provided, and rotational power is transmitted to the screw auger 2 via a transmission case 4 that receives power from the input shaft 3. Both of them rotate inward (in the direction of the arrow) to convey while holding the rhizome 1b of the cabbage 1.

A cutting blade drive 6 for driving a cutting blade 5 for cutting the rhizome 1b from the bulbous portion 1a of the cabbage 1 being conveyed by the screw auger 2 is provided on the side of the screw auger 2. The cutting blade 5 reciprocates once from the side of the cabbage 1 conveyed by the screw auger 2 toward the position where the rhizome part 1b is conveyed, and has an arc-shaped or curved cross-sectional shape bulging toward the head part 1a. It has. The screw auger 2 serving as the nipping and transporting unit and the cutting blade driving unit 6 having the function of a one-rotation clutch are configured as follows so as to be driven synchronously.

As shown in detail in FIG. 4, a contact terminal 7 is provided between the screw augers 2 and 2 to contact and detect the moving rhizome 1b of the cabbage 1. The contact terminals 7 extend from the distal ends extending in an arc shape to the screw augers 2, 2.
The base end is rotatably supported by a shaft cylinder 8 fixed to the machine frame of the apparatus. One end of the first link rod 9 is pivotally supported by an extension 7 a provided on the base side of the contact terminal 7, and the other end is pivotally supported by one end of a bell crank 10. One end of a second link rod 11 is pivotally supported at the other end of the bell crank 10, and the other end is pivotally supported at one end of a link lever 12a of a link release mechanism 12, as shown in detail in FIG. .

Between the contact terminal extension 7a and the machine frame;
A first urging spring 13 and a second urging spring as an urging mechanism are provided between the side of the link lever 12a pivotally supporting the second link rod 11 and the case of the cutting blade drive unit 6, respectively. 14
Is provided, and the contact terminal 7 abuts on the rhizome 1b of the cabbage 1 and rotates around the shaft tube 8, so that the rhizome 1b is
The contact terminal 7 is returned to the contact standby position when the contact terminal 7 is transported to a position where the contact terminal 7 does not contact the contact terminal 7. Power is transmitted to the cutting blade driving unit 6 via a chain transmission system 16 from a transmission box 15 that receives power from the input shaft 3. The link lever 12
a is supported on the case of the cutting blade drive unit 6 via a shaft 12b so as to be horizontally rotatable within a predetermined range and to be able to move up and down. The horizontal rotation is performed by the second link rod 11, and The vertical movement is performed by the cam arm 20 which is in contact with the lower surface of the other end of the link lever 12a.

A one-turn clutch actuating lever 17 is provided in the vicinity of the link lever 12a so as to be rotatable in a predetermined range in the horizontal direction. When the link lever 12a is turned, the actuating lever 1 is turned on.
7 and rotates to activate the one-turn clutch. When the one-rotation clutch is activated by the activation lever 17, the rotation is output to the output shaft portion 18 protruding upward from the case of the cutting blade driving portion 6, and the rotating disk 19 provided at the upper end thereof is rotated once. A pressing cam is formed on the outer peripheral edge of the turntable 19 toward the lower side. One end of the cam arm 20 is slidably contacted with the pressing cam, and the other end is connected to the link lever 12.
a is in sliding contact with the lower surface.

On the other hand, the cutting blade 5 is supported by a distal end of a cutting blade support arm 21 composed of a parallel link provided in the same direction as the screw auger 2. The cutting blade support arm 21 has its base side supported by an apparatus frame 24 so as to be rotatable in a horizontal direction via a vertical axis 22 and in a vertical direction via a horizontal axis 23.
The cutting blade 5 is reciprocated from the side of the screw auger 2 by a crank arm 25 provided between the rotating cabin 1 and the rotating disk 19, and the screw auger 2 moves the rhizome portion 1 b from the head portion 1 a of the cabbage 1 being conveyed. I am trying to cut it.

Above the screw auger 2, there is provided a pressing belt 26 as a pressing device which moves up and down in contact with the top of the head portion 1 a conveyed by the screw auger 2, and cuts from the side of the screw auger 2. Blade drive 6
The height of the cutting blade 5 which reciprocates by the power from is adjustable up and down. The pressing belt 26 is wound around a driving pulley 27 and a driven pulley, rotates in the direction of the arrow, and
Of the cutting blade support arm 21 via the link 28 and the link rod 29 due to the vertical movement caused by contacting the top of the head portion 1a.
To be communicated to. Also, screw auger 2
Above, may be provided a pinching and conveying belt 30 (only one is shown) for pinching and conveying the head portion 1a conveyed by the screw auger 2 from both left and right sides.

Next, the operation of the head vegetable cutting device configured as described above will be described. Screw auger 2
When the cabbage 1 is not supplied to the cutting blade 5, the cutting blade 5 does not reciprocate or move up and down in the state shown in FIG. When the cabbage 1 is supplied to the screw auger 2, the rhizome 1 b comes into contact with the contact terminal 7 in the course of transportation by the screw auger 2, and the contact terminal 7 is pivoted against the elastic force of the first biasing spring 13. It is rotated clockwise in FIG. The rotation of the contact terminal 7 causes the first link rod 9 and the bell crank 1
0, the link lever 12a of the link release mechanism 12 is rotated clockwise through the second link rod 11 against the elastic force of the second biasing spring 14, and the one-turn clutch activation lever 17 is turned. To move the cutting blade drive unit 6 to the operating state.

In FIGS. 3A and 3C, the link lever 12a and the one-rotation clutch actuating lever 17 are in a linkable state, and the cam arm 20 is not pressed by the pressing cam of the turntable 19, and Terminal 7 and cutting blade drive 6
In this state, when the contact terminal 7 comes into contact with the rhizome 1b and the link lever 12a rotates in the horizontal direction about the shaft 12b, the single-turn clutch actuating lever is pushed by the link lever 12a. 17 rotates and the cutting blade driving unit 6
Is turned on. Then, the turntable 19 is moved to the output shaft portion 18.
, The cutting blade support arm 21 is reciprocated via the crank arm 25, and the cutting blade 5 is moved from the head portion 1a of the cabbage 1 being conveyed by the screw auger 2 from the side of the screw auger 2 to the rhizome portion. Cut 1b. In this embodiment, the time lag from when the contact terminal 7 detects the rhizome 1b to when the cutting blade 5 cuts the rhizome 1b is one pitch of the transport position of the screw auger 2 in this embodiment.

When the cutting blade drive unit 6 is activated, the rotation of the turntable 19 causes the pressing cam to move the cam arm 2.
0 is pressed, and as shown in FIG.
The shaft 12a is pushed up, the linkage lever 12a and the one-rotation clutch activation lever 17 are separated from each other to release the linkage state, and the one-rotation clutch activation lever 17 does not activate the cutting blade drive unit 6. Then, in a state in which the link between the contact terminal 7 and the cutting blade drive unit 6 is released, the rhizome portion 1b
When the contact terminal 7 is conveyed to a position where the contact terminal 7 does not contact the contact terminal 7, the contact terminal 7 is returned to the contact standby position by the first urging spring 13, and at the same time, the link lever 12a is moved by the second urging spring 14. The contact terminal 7 and the cutting blade driving unit 6 are returned to a position where they can be linked, and the contact terminal 7 and the cutting blade driving unit 6 are returned to a linkable state.

On the other hand, the top of the head portion 1a of the cabbage 1 conveyed by the screw auger 2 is
, And moves the pressing belt 26 up and down.
The vertical height of the cutting blade 5 which is transmitted to the cutting blade support arm 21 via the link 28 and the link rod 29 and reciprocates from the side of the screw auger 2 by the power from the cutting blade driving unit 6 is adjusted. Therefore, the cutting blade 5 reciprocates the cutting blade support arm 21 by the cutting blade driving unit 6 in synchronization with the detection of the rhizome 1 b by the contact terminal 7, and is conveyed by the screw auger 2 from the side of the screw auger 2. When cutting the rhizome part 1b from the head part 1a of the inside cabbage 1, the vertical height of the cutting blade 5 is automatically adjusted according to the height of the head part 1a, and the rhizome part 1b is brought into an appropriate state from the head part 1a. Disconnect. In addition, if the nipping and conveying belt 30 for nipping and conveying the head portion 1a conveyed by the screw auger 2 from the left and right sides is provided, the rhizome portion 1b can be more stably cut.

The arc-shaped cutting blade 5 causes the head 1a of the cabbage 1 to the rhizome 1b from the side of the screw auger 2.
As shown in FIG. 2, when the head portion 1a is conveyed in an upright state by the screw auger 2 as shown in FIG. 2A, the center position C of the cutting blade 5 is positioned before and after the head portion 1a. The cutting blade 5 substantially cuts the rhizome portion 1b over a wide range, substantially coincident with the center position. As shown in FIG. 2B, when the head 1a is transported forward by the screw auger 2, the center position C of the cutting blade 5 is shifted toward the front side of the head 1a, and the rhizome in the latter half of the cutting blade 5 is formed. 1b is cut, but the rhizome 1b is cut without hindrance because the cutting blade 5 has an arc shape.
When the head portion 1a is conveyed backward by the screw auger 2 as shown in FIG.
Is distorted to the rear side of the head 1a, and cuts the rhizome 1b in the first half of the cutting blade 5, but since the cutting blade 5 has an arc shape, the rhizome 1
b is cut without hindrance.

The second embodiment of the present invention shown in FIG.
The supporting structure of the cutting blade 5 is changed from that of the first embodiment, and the cutting blade supporting arm 21 and the longitudinal axis 2 of the first embodiment are changed.
2. In place of the horizontal shaft 23, a lower support link 31 and an upper support link 32 that bend and extend in the front-rear direction are provided. The cutting blade 5 is attached to the upper end of the upper support link 32. The distal end is pivotally supported, and the distal end of the link rod 29a is pivotally supported on the side of the lower support link 31.

In the operation of the second embodiment, the movement locus of the cutting blade 5 is slightly different from that of the first embodiment, and the cut surface of the rhizome 1b is cut into a tertiary shape. In other words, even if the head portion 1a is conveyed inclined by the screw auger 2, the rhizome portion 1 is similar to that of the above-described first embodiment or more precisely.
b can be cut more accurately.

The third embodiment of the present invention shown in FIG.
In the above-described first and second embodiments, the transmission means from the contact terminal 7 to the cutting blade driving unit 6 is mechanically configured, but is electrically configured. That is, a limit switch 33 which is turned on / off by an extension 7a of the contact terminal 7 is provided.
Is connected to a control device 34, and a one-rotation clutch activation lever 17 is controlled by a solenoid (or a servo motor) 35 based on an output from the control device 34. Note that the contact terminal 7 may be input to the control device 34 as a photoelectric sensor, and the cutting blade driving unit 6 is not limited to a one-rotation clutch, but may be, for example, a one-rotation motor. Thus, without providing a mechanical link release function as shown in FIG. 3, the addition of an electrical control function such as a delay relay avoids a mistake such as cutting operation of one head vegetable a plurality of times. be able to.

The operation of the third embodiment is the same as that of the first and second embodiments. The configuration can be simplified as compared with the mechanical configuration of the first and second embodiments.

[0028]

As described above, according to the apparatus for cutting head vegetables according to the present invention, the following effects can be obtained.

[0029] By driving the nip transport unit and the cutting blade drive unit in synchronization with each other, and detecting that the rhizome is present at a predetermined position of the nip transport unit, a position where the rhizome portion is transported from the side of the nip transport unit. The cutting blade having an arc-shaped or curved cross-sectional shape that bulges toward the head portion side is reciprocated, but since the sandwiching conveyance unit and the cutting blade driving unit are driven in synchronization, the center of the cutting blade is The part can accurately cut the rhizome part of the head vegetable transported in a normal posture. In addition, even if the head veggies are conveyed inclined forward and backward, the root of the rhizome is cut into an arc shape from the side of the head, so that the root is excised in an appropriate state without damaging the head. be able to.

[0030] The nipping and conveying part is composed of a pair of left and right augers, and a contact terminal is provided between the pair of augers to contact and detect the moving rhizome part. Detects by contacting the moving rhizome, and activates the cutting blade drive in conjunction with the detection of this rhizome, cutting the rhizome from the head by the cutting blade,
Moreover, the head can be properly resected without damage.

[0031] The cutting blade drive unit is activated in cooperation with the contact terminal, and the cutting blade is reciprocated once from the cutting standby position to the cutting position, and the linkage between the contact terminal and the cutting blade drive unit is released in conjunction with the operation of the cutting blade drive unit. An urging mechanism is provided for returning the contact terminal to the contact standby position when the rhizome is conveyed to a position where the rhizome does not contact the contact terminal, and the contact terminal and the cutting blade drive unit are again linked by this urging mechanism. To return to
Since the cutting blade drive unit operates only once for one head vegetable, it is possible to avoid an error such as cutting the head unit by operating a plurality of times. Also, when the cutting blade drive unit is activated, the connection between the contact terminal and the cutting blade drive unit is released, and when the rhizome is transported to a position where it does not contact the contact terminal, the contact terminal is brought into a contact standby position by the urging mechanism. And the contact terminal and the cutting blade drive unit can return to the linked state again.

[0032] A pressing device that moves up and down in contact with the top of the head to be conveyed is provided above the nipping and conveying unit,
The height of the cutting blade reciprocatingly operated by the cutting blade drive unit from the side of the nipping and conveying unit can be adjusted up and down, and the pressing device and the cutting blade drive unit are linked by a link rod, and interlocked with the height of the ball head unit. Since the height of the cutting blade is moved up and down, the height of the cutting blade reciprocated by the cutting blade drive unit in conjunction with the up and down movement of the pressing device provided above the nipping and transporting unit is adjusted up and down, and the height of the head unit The height of the cutting blade is moved up and down in conjunction with the change in the height, and the rhizome can be cut off at an appropriate height from the head by the cutting blade.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a first embodiment of a head vegetable cutting apparatus according to the present invention.

FIG. 2 shows a cutting state of a rhizome by an arc-shaped cutting blade,
(A) when the cabbage is transported in an upright state, (b)
(C) is a case where the cabbage is conveyed in a backward falling state, and (c) is a case where the cabbage is conveyed in a backward falling state.

FIGS. 3A and 3B are partial views of a mechanism for releasing an association between a contact terminal and a cutting blade drive unit, wherein FIG. 3A is a plan view and FIG.
FIG. 4C is a cross-sectional view taken along the line A, FIG. 4C is a side view of a linked state in which the one-rotation clutch activation lever and the linking lever are in contact, and FIG.

4 (a) is a rear view, FIG. 4 (b) is a plan view, and FIG.
Is a side view.

FIG. 5 is an overall perspective view of a second embodiment of a head vegetable cutting apparatus according to the present invention.

FIG. 6 is an overall perspective view of a third embodiment of a head vegetable cutting device according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Cabbage (Head vegetable) 1a Head part 1b Rhizome part 2 Screw auger (nipping conveyance part) 3 Input shaft 4 Power transmission case 5 Arc-shaped cutting blade 6 Cutting blade drive part (single-rotation clutch) 7 Contact terminal 7a Extension part 8 Shaft barrel 9 first link rod 10 bell crank 11 second link rod 12 linkage release mechanism 12a linkage lever 12a shaft 13 first biasing spring (biasing mechanism) 14 second biasing spring (biasing mechanism) 15 transmission Box 16 Chain transmission system 17 One-rotation clutch actuating lever 18 Output shaft section 19 Turntable 20 Cam arm 21 Cutting blade support arm 22 Vertical axis 23 Horizontal axis 24 Device frame 25 Crank arm 26 Press belt 27 Drive pulley 28 Linkage link 29 Link rod 30 Nipping conveyance belt 31 Lower support link 32 Upper support link 33 Limit switch 34 Control device 35 solenoid (servo motor)

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Tsukasa Nagaki 1-40-2 Nisshin-cho, Omiya-shi, Saitama F-term in Biological Specified Industrial Technology Research Promotion Organization (Reference) 2B072 AA10 CA25 DA12 2B075 AA10 GA01 GA06

Claims (4)

[Claims] 1. A clamping and conveying unit for clamping and transporting a rhizome of a harvested vegetable having a head and a rhizome, and a cutting blade driving unit for driving a cutting blade for cutting the rhizome from the head during transportation. In the cutting device for head vegetables, while simultaneously driving the clamping and conveying unit and the cutting blade driving unit, and detecting that the rhizome is at a predetermined position of the clamping and conveying unit, from the side of the clamping and conveying unit. A head cutting vegetable cutting device characterized by reciprocating a cutting blade having an arc-shaped or curved cross-sectional shape that bulges toward a head part toward a position where a rhizome part is conveyed. 2. The nipping / conveying section is constituted by a pair of left and right augers, and a contact terminal is provided between the pair of augers to contact and detect a moving rhizome. The apparatus for cutting head vegetables according to claim 1. 3. A cutting blade drive unit is activated in cooperation with the contact terminal to reciprocate the cutting blade from a cutting standby position to a cutting position, and the contact terminal and the cutting blade are linked with the operation of the cutting blade drive unit. An urging mechanism is provided for releasing the linkage of the drive unit and returning the contact terminal to the contact standby position when the rhizome is transported to a position where the rhizome does not contact the contact terminal. 3. The apparatus according to claim 1, wherein the driving unit is returned to the linked state again. 4. A pressing device is provided above the nipping and transporting unit and moves up and down in contact with the top of the head to be transported, and a cutting blade reciprocally operated by a cutting blade driving unit from a side of the nipping and transporting unit. The height can be adjusted up and down, the pressing device and the cutting blade drive unit are linked by a link rod, and the height of the cutting blade is moved up and down in conjunction with the height of the head unit. 4. The apparatus for cutting head vegetables according to 2 or 3.