JP2006141364A - Transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a transplanter smoothly and surely scraping off the adhered soil by precisely and well pressing to contact a scraper on the inner surface of a planting cup. <P>SOLUTION: The transplanter has a planting cup vertically movably supported on the vertically movable cup supporting element and has an open/shut interlocking mechanism opening and shutting a planting cup in interlock with vertical motion of a cup supporting element, wherein, on the cup supporting element, a scraper element for scraping off the soil adhered on the inner surface of the planting cup is vertically movably set, and the scraper interlocking mechanism for vertically moving the scraper element against the planting cup is set so as to press and contact the scraper element to the inner surface of the planting cup. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a transplanter.

The transplanter moves the planting cup up and down so that when the planting cup is raised, the planting cup receives seedlings, and when the planting cup is lowered, the tip of the cup rushes into the cocoon and plants the seedling into the cocoon. In this type of conventional transplanter, the scraper member is supported on the body (fixed) side of the transplanter, and the scraper member enters the planting cup from its upper end opening in the ascending process of the planting cup. As the planting cup is raised, the scraper member is moved downward in the planting cup so as to come out from the lower end thereof, and the soil adhering to the inner surface of the planting cup is scraped off (for example, Patent Document 1). ).
Japanese Patent Laid-Open No. 11-10

Therefore, the scraper member provided on the fuselage (fixed) side and the planting cup that moves up and down at high speed move relatively vigorously, and the scraper member moves into the planting cup as the planting cup moves up and down. Therefore, it is difficult to align the scraper member at a desired position with high accuracy with respect to the planting cup, and the scraper member is good and highly accurate on the inner surface of the planting cup. It became difficult to scrape the soil adhering to the inner surface of the planting cup smoothly and surely.
In view of the above problems, the present invention is capable of accurately and smoothly scraping adhered soil by pressing a scraper accurately against the inner surface of a planting cup.

The technical means of the present invention for solving this technical problem is that the planting cup is supported by the cup support member that moves up and down so that the planting cup moves up and down, and the planting cup is opened and closed in conjunction with the vertical movement of the cup support member. In a transplanter provided with an open / close interlock mechanism,
A scraper member for scraping off the dirt adhering to the inner surface of the planting cup is supported by the cup support member so as to be movable up and down, and the scraper member is pressed against the inner surface of the planting cup in conjunction with the vertical movement of the cup support member. Thus, the scraper interlocking mechanism for moving the scraper member up and down relative to the planting cup is provided.

According to another technical means of the present invention, the scraper interlocking mechanism includes a scraper swing lever supported on the cup support member side so as to be swingable up and down, and a scraper interlocking with the vertical movement of the cup support member. A scraper cam mechanism for swinging the swing lever, and the scraper swing lever is coupled to the scraper member so that the scraper member is pressed against the inner surface of the planting cup by swinging the scraper swing lever. There is in point.
Another technical means of the present invention is that the open / close interlock mechanism opens the planting cup when the planting cup descends and enters the ridge R, and when the planting cup rises, Configured to close the cup,
The scraper interlocking mechanism lowers the scraper member with respect to the planting cup when the planting cup starts to descend and opens, and before the planting cup rises and closes, the scraper member with respect to the planting cup It is in the point comprised so that it may return to the raised state.

According to another technical means of the present invention, the scraper member has a front scraper and a rear scraper that slide on the front and rear inner surfaces of the planting cup, respectively, and the front scraper and the rear scraper are attached to the scraper support. The scraper support is connected to the scraper swing lever via a spring so that the front scraper and the rear scraper are elastically pressed against the front and rear inner surfaces of the planting cup, respectively.
According to another technical means of the present invention, the scraper support includes a front attachment portion for attaching the front scraper, a rear attachment portion for attaching the rear scraper, and a connecting portion for connecting the front attachment portion and the rear attachment portion. The front mounting part extends along the upper end of the front wall of the planting cup so that the scraper support is removed from directly above the planting cup and widens the upper space of the upper end opening of the planting cup. It is in the point arrange | positioned so that a rear attachment part may follow the rear wall upper end of a planting cup.

  According to another technical means of the present invention, the front scraper and the rear scraper are each formed in a U shape bent at the lower end side, and the upper ends of the front scraper are bent in an inverted U shape to support the scraper. It is fixed to the front mounting portion of the body, and the upper both ends of the rear scraper are bent in an inverted U shape and fixed to the rear mounting portion of the scraper support.

  The scraper can be accurately pressed against the inner surface of the planting cup, and the attached soil can be scraped off smoothly and reliably.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2, reference numeral 1 denotes a transplanter for planting vegetable seedlings N such as onions in a field. In the present embodiment, a traveling machine body 2 is provided at the front, and a transplanter 3 and a handle 4 are provided at the rear. The walking type transplanter 1 is illustrated.
The traveling machine body 2 includes an engine (power source) 6, a transmission case 7, a pair of left and right front wheels (wheels) 8, and a pair of left and right rear wheels (wheels and drive wheels) 9. 7 is transmitted to the front wheels 8 via a traveling system power transmission mechanism in the vehicle 7, and the front wheels 8 are driven to rotate so that the traveling machine body 2 can travel.

The traveling machine body 2 includes an engine 6, a transmission case 7, a gantry 11, and the like. The gantry 11 is provided so as to project forward from a lower portion in the front-rear direction of the transmission case 7, and the engine 6 is mounted on the gantry 11. The front end side of the transmission case 7 is connected to the rear part of the engine 6.
A front wheel support shaft 13 in the left-right direction is supported on the front portion of the gantry 11 so as to be rotatable around a shaft center in the left-right direction. A front wheel support arm 14 is provided on each of the left and right sides of the front wheel support shaft 13. The front wheel 8 is rotatably attached to the lower end side of each of the left and right front wheel support arms 14, and the front wheel support arm 14 is rotatable. As a result, the front wheel 8 can be moved up and down relatively with respect to the traveling machine body 2.

On both the left and right sides of the transmission case 7, the upper side of the traveling transmission case 15 is attached so as to be pivotable about a left and right axial center so that the traveling transmission case 15 can swing up and down. The front wheels 8 are attached to the lower parts of the vehicle so that the front wheels 8 can rotate and the position in the left-right direction can be adjusted. The traveling transmission case 15 swings up and down, so that the front wheels 8 can move up and down relatively with respect to the traveling machine body 2. ing.
Further, the front wheel support shaft 13 and the left and right traveling transmission cases 15 are interlocked and connected via an interlocking member 16, and the pair of left and right front and rear wheels 8 and 9 can be raised and lowered simultaneously.

Further, the gantry 11 is provided with an elevating cylinder 17 composed of a hydraulic cylinder or the like, and the piston rod of the elevating cylinder 17 is interlocked with the front wheel support shaft 13, and the piston rod of the elevating cylinder 17 is moved back and forth. The front wheel support shaft 13 rotates around the axis and the front and rear wheels 8 and 9 move up and down relative to the traveling machine body 2, and the front and rear wheels 8 and 9 move up and down, so that the traveling machine body 2 and the transplanting device 3 are moved. It can be raised and lowered with respect to the ground.
Next, the transplant device 3 will be described.
The transplanting device 3 includes a planting device 151 including a planting cup 155 for planting the seedling N in a field, a seedling supply device 152 that supplies the seedling N to the planting cup 155, a planting device 151, and a seedling supply device 152. A soil covering device provided with a stock change device 22 that temporarily stops power transmission to the plant and adjusts the stop time, and a soil covering ring 23 that presses the soil on both the left and right sides of the seedling N planted in the field. 24 etc.

Moreover, in this Embodiment, the transplanter 1 of 2 row planting is illustrated, Therefore, the planting cup 155 is provided with a pair of right and left.
Next, the planting apparatus 151 will be described.
The planting device 151 includes a planting cup 155 that is stabbed and moved with respect to the cocoon R so as to plant the seedling supplied from the seedling supply device 152 at a predetermined interval, and a planting that moves the planting cup 155 up and down. And an attached cup drive mechanism 156. As described above, the planting device 151 is for two-row planting, and the planting cup 155 and the planting cup drive mechanism 156 are provided in a pair on the left and right, respectively.

  As shown in FIGS. 3 to 8, each planting cup drive mechanism 156 includes a first rotating case (first rotating body) 161 rotatably supported on the traveling machine body 2 side of the transplanter 1, and a first rotation. A second rotating case (second rotating body) 162 rotatably supported on the free end side of the case 161 and a cup support member (vertical moving body) rotatably supported on the free end side of the second rotating case 162 ) 163, the planting cup 155 is supported by the cup support member 163 via the support body 164, and the second rotary case 162 is connected to the first rotary case 161 in conjunction with the rotation of the first rotary case 161. Is rotated in the opposite direction, and the cup support member 163 is relatively rotated in the opposite direction to the second rotating case 162 to move the planting cup 155 up and down.

The first rotation case 161, the second rotation case 162, the cup support member 163, and the support 164 of the planting cup drive mechanism 156 correspond to the pair of left and right planting cups 155 and the pair of left and right planting cup drive mechanisms 156. A pair of left and right is provided.
Further, as shown in FIGS. 7 to 9, each planting cup drive mechanism 156 includes a first rotating shaft 166, a first sun gear 167, a first planetary gear 168, a first output gear 169, and a second rotating shaft 171. , A second sun gear 172, a second planetary gear 173, a second output gear 174, and a third rotating shaft 175, and the first support cylinder 176 is fixed to a frame (not shown) via a mounting plate 178 with bolts or the like. The first rotation shaft 166 is inserted into the first support cylinder 176, and the first rotation shaft 166 is rotatably supported by the first support cylinder 176 via the bearing 177, thereby the first rotation shaft. 166 is rotatably supported on the traveling machine body 2 side of the transplanter 1.

A mounting cylinder 182 is spline-fitted on the inner side of the first rotating shaft 166 in the left-right direction, and the input gear 181 is fixed to the mounting cylinder 182. Power is transmitted from the engine 6 to the left and right input gears 181 of the pair of left and right planting cup drive mechanisms 156 via the mission case 7 and the like.
As shown in FIGS. 4 to 8, a first rotating case 161 is fixed to the first rotating shaft 166 with a bolt or the like via a first mounting body 179, and the first rotating case 161 is interposed via a bearing 180. The first support case 176 is rotatably supported by the first support case 176 so that the first rotation case 161 rotates together with the first rotation shaft 166 with respect to the traveling machine body 2 of the transplanter 1 (the body of the transplanter 1). It rotates around the axis 166.

The first sun gear 167 is splined to the first support cylinder 176 and is fixed to the traveling machine body 2 side of the transplanter 1. The first planetary gear 168 is rotatably supported by the first rotating case 161 via the first support shaft 183 and meshed with the first sun gear 167.
A second support cylinder 185 is fixed on the free end side of the first rotation case 161, the second rotation shaft 171 is inserted into the second support cylinder 185, and the second rotation shaft 171 is the second support cylinder. 185 and the first rotating case 161 are rotatably supported via bearings 186 and 187, whereby the second rotating shaft 171 is rotatably supported on the free end side of the first rotating case 161. A first output gear 169 is fixed to the second rotating shaft 171 and meshed with the first planetary gear 168.

The second rotating case 162 is fixed to the second rotating shaft 171 with a bolt or the like via the second mounting body 188, and the second rotating case 162 is rotatably supported by the second support cylinder 185 via the bearing 189. Accordingly, the second rotating case 162 rotates about the second rotating shaft 171 together with the second rotating shaft 171 with respect to the first rotating case 161.
The second sun gear 172 is fixed or splined to the second support cylinder 185 and is fixed to the first rotating case 161. The second planetary gear 173 is rotatably supported by the second rotating case 162 via the second support shaft 190 and meshed with the second sun gear 172. A third rotating shaft 175 is rotatably supported by bearings 193 and 194 on the free end side of the second rotating case 162, and a second output gear 174 is fixed to the third rotating shaft 175. The second output gear 174 is meshed with the second planetary gear 173.

  A bottomed cylindrical support convex portion 197 protrudes outward in the left-right direction at the free end portion of the second rotating case 162, and a support shaft body 198 is fitted on the support convex portion 197. The support shaft body 198 is fixed to the free end portion of the second rotating case 162 with bolts or the like via the mounting plate 200 shown in FIGS. As shown in FIG. 23, the support shaft 198 has a large diameter portion 198a and a small diameter portion 198b. The support shaft body 198 is inserted through the base of the cup support member 163 in a penetrating manner, and the insertion end portion of the small diameter portion 198b of the support shaft body 198 protrudes outward in the left-right direction from the cup support member 163.

  As shown also in FIG. 23, the base portion of the cup support member 163 is externally fitted and held on the support shaft body 198 so as to be relatively rotatable, and the base portion of the cup support member 163 is attached to the support shaft body 198 via a bearing 199. The third rotary shaft 175 is supported so as to be rotatable. A drive pulley 204 is fixed to the large-diameter portion 198a of the support shaft body 198, and a cylindrical support shaft 205 is rotatably inserted and held on the free end side of the cup support member 163 via a bearing 206. A driven pulley 207 is fixedly installed. A transmission chain 208 is wound between the driving pulley 204 and the driven pulley 207. The outer end portion of the support shaft 205 protrudes outward in the left-right direction from the free end portion of the cup support member 163.

An opening / closing cam 272 of an opening / closing interlock mechanism 252 and a scraper cam 283 of a scraper interlocking mechanism 253, which will be described later, are fixed to an outer end portion (outwardly projecting end portion) of the support shaft 205 via a mounting cylinder 210. The left and right outer end sides of the third rotating shaft 175 protrude outward from the support convex portion 197 of the second rotating case 162 and are inserted into the small diameter portion 198b of the support shaft body 198 so as to be relatively rotatable. The base portion of the cup support member 163 is fixed to the third rotating shaft 175 so as to be swingable up and down via the third mounting body 195 and the mounting plate 196. Yes.

  That is, as shown in FIGS. 10 and 25, the mounting plate 196 is externally fitted to the cylindrical third mounting body 195 and fixed by welding or the like, and the third mounting body 195 is the tip of the third rotating shaft 175. In addition, it is externally fitted so as not to be relatively rotatable by spline fitting or the like and is prevented from coming off by the bolt 203, whereby the mounting plate 196, the third mounting body 195 and the third rotating shaft 175 are fixed to each other. A pair of arc-shaped elongated holes 211 centered on the third rotation shaft 175 is provided in the mounting plate 196, and screw holes (not shown) are provided in the cup support member 163 corresponding to these elongated holes 211, The mounting plate 196 and the cup support member 163 are fastened and fixed by a fastener 212 such as a bolt that is inserted into the long hole 211 and screwed into the screw hole of the cup support member 163, whereby the planting cup 155 is vertically adjusted. The cup support member 163 is attached to the second rotating body 162 side so as to be swingable and adjustable so as to be possible. Reference numeral 209 denotes a cylindrical spacer provided between the mounting plate 196 and the cup support member 163.

Accordingly, the cup support member 163 is pivotally adjusted around the third rotation shaft 175 in the range of the long hole 211 with respect to the mounting plate 196 by loosening the fastener 212 and retightening the fastener 212, thereby supporting the cup. The member 163, together with a support body 164, a cup attachment body 223, and a planting cup 155, which will be described later, can be adjusted to swing up and down around the third rotation shaft 175 as indicated by an arrow g in FIG.
As shown in FIGS. 23 to 25, the drive pulley 204, the driven pulley 207, and the transmission chain 208 are accommodated in the cup support member 163, and the free end side of the second rotating case 162 is in relation to the cup support member 163. Thus, a transmission mechanism is configured to transmit the rotational power that rotates relative to the opening / closing cam 272 and the scraper cam 283.

Thus, the first transmission mechanism 201 that rotates the second rotating case 162 in conjunction with the rotation of the first rotating case 161 (in the reverse direction at the same speed) includes the first sun gear 167, the first planetary gear 168, The first output gear 169 and the second rotating shaft 171 are configured. The second transmission mechanism 202 that rotates the cup support member 163 in conjunction with the rotation of the second rotating case 162 (in the reverse direction at the same speed) includes the second sun gear 172, the second planetary gear 173, and the second output. The gear 174 and the third rotating shaft 175 are configured.
The gear ratio between the first sun gear 167 and the first output gear 169 is set to 2: 1 and is fixed to the first rotating case 161 (as viewed from the first rotating case 161 side or the first rotating case 161 is fixed). The second rotating case 162 rotates in the opposite direction at twice the rotational speed of the first rotating case 161, so that the second rotating case 162 can move relative to the traveling machine body 2 side of the transplanter 1. (As viewed from the traveling machine body 2 side of the transplanter 1), the second rotating case 162 rotates in the reverse direction at the same rotational speed as that of the first rotating case 161, and the first rotating case 161 rotates. , The third rotating shaft 175 moves up and down (up and down movement with swelling in the front and rear direction) with respect to the traveling machine body 2 side of the transplanter 1.

  The gear ratio between the second sun gear 172 and the second output gear 174 is set to 1: 2, and the first rotating case 161 is fixed to the first rotating case 161 (as viewed from the first rotating case 161 side). Therefore, the second output gear 174 rotates in the reverse direction at a rotational speed that is ½ times that of the second rotating case 162, thereby the cup support member 163 (the third rotating shaft 175, the second output). The gear 174) rotates relative to the second rotating case 162 in the opposite direction around the third rotating shaft 175 in the reverse direction, and the second rotating case 162 rotates toward the traveling machine body 2 side of the second rotating case 162. In conjunction with the rotation of the one-rotation case 161, it moves up and down in a fixed posture without rotating.

  The third rotating shaft 175 is in the center in the width direction on the free end side of the second rotating case 162, and the distance between the second rotating shaft 171 and the third rotating shaft 175 (the length of the second rotating case 162). Is shorter than the distance between the first rotating shaft 166 and the second rotating shaft 171 (the length of the first rotating case 161), and the third rotating shaft 175 (the free end side of the second rotating case 162). (Or the base end side of the cup support member 163) is displaced forward with respect to the traveling machine body 2 side of the transplanter 1 when the second rotary case 162 rotates as the first rotary case 161 rotates. At the same time, it is displaced rearward when it rises and moves up and down with swells back and forth (see locus F shown in FIG. 3). In addition, the movement locus G of the free end side end portion in the center in the width direction of the second rotating case 162 is as shown in FIG.

The second rotating case 162 and the planting cup 155 are arranged on the inner side in the left-right direction with respect to the cup support member 163, and the second rotating case 162 and the planting cup 155 are the same with respect to the support body 164. By being on the side, the pair of right and left planting cup drive mechanisms 156 can be compactly accommodated.
As shown in FIGS. 11 to 14, the planting cup 155 includes a pair of front and rear cup components 219 a and 219 b that can be opened and closed in the front-rear direction with a pair of front and rear mounting pins 218 a and 218 b as a fulcrum, and a pair of front and rear opening and closing links. 220a and 220b, and a pair of front and rear clamping pieces 216a and 216b that sandwich the cup components 219a and 219b, and has an opening in a plan view shape at the upper end thereof. The pair of front and rear cup components 219a and 219b are urged by a spring 224 in a closing direction. A projecting piece 221 projects downward from the opening / closing link 220a of the front cup component 219a. By pulling the projecting piece 221 forward against the spring 224, the pair of front / rear opening / closing links 220a, 220b are moved downward. The connecting pin 222 is lowered, the planting cup 155 is opened back and forth, and when the protruding piece 221 is pushed backward, the pair of front and rear opening / closing links 220a and 220b are extended upward, and the connecting pin 222 is raised. The planting cup 155 is closed.

A pair of front and rear mounting pins 218a and 218b are projected from the pair of front and rear opening / closing links 220a and 220b of the planting cup 155, and the mounting pins 218a and 218b are connected to the front and rear of the cup mounting body 223 shown in FIGS. The planting cup 155 is detachably attached to the cup attachment body 223 by being internally fitted to the pair of attachment cylinders 217a and 217b.
As shown in FIGS. 19 to 22, a scraper member 225 for scraping soil and the like adhering to the inner surface of the planting cup 155 is provided corresponding to each planting cup 155. The scraper member 225 has a front scraper 226 and a rear scraper 227 that slide on the front and rear inner surfaces of the planting cup 155, respectively. The front scraper 226 and the rear scraper 227 are elastic wires such as a piano wire, and the lower end side thereof. It is formed in a bent U shape, or is formed in a band plate shape by rubber or synthetic resin, and is attached to the scraper support 228.

  The scraper support 228 is formed in a U shape, and connects the front mounting portion 228a to which the front scraper 226 is mounted, the rear mounting portion 228b to which the rear scraper 227 is mounted, and the front mounting portion 228a and the rear mounting portion 228b. And a connecting portion 228c. The scraper support 228 is provided slightly above the planting cup 155, the front mounting portion 228a of the scraper support 228 is disposed along the upper end of the front wall of the planting cup 155, and the rear mounting portion 228b is planted. The connecting portion 228c is arranged outside the upper end of the outer wall of the planting cup 155, and the scraper support 228 is disengaged from right above the planting cup 155. It is comprised so that the upper space of the upper end opening of the planting cup 155 may be expanded.

  The upper end portion of the front scraper 226 is sandwiched between the holding plate 229 and fastened with a bolt nut or the like to the front attachment portion 228a of the scraper support 228, and the rear scraper 226 is attached to the rear attachment portion 228b of the scraper support 228. The upper end is sandwiched between the holding plate 229 and fixed with bolts and nuts. As a result, the front scraper 226 and the rear scraper 227 are constricted on the scraper support 228 so that the front-rear distance between the scraper support 228 and the inner surface of the planting cup 155 gradually decreases toward the lower side. The front scraper 226 and the rear scraper 227 of the scraper support 228 are inserted and housed in the planting cup 155 from above, and the front scraper 226 follows the front inner surface of the planting cup 155. The rear scraper 227 is arranged along the rear inner surface of the planting cup 155.

  A rectangular parallelepiped holding body 234 is fixed to the scraper support body 228 via a mounting plate 233 by a bolt nut 232 or the like, and a pair of support bolts 236 are inserted into the holding body 234 via insertion holes so as to be slidable vertically. A coil spring 237 is externally fitted to the lower portion of the support bolt 236. The lower end of the coil spring 237 is in contact with the nut 238. The upper end of the coil spring 237 is in contact with the holding body 234 through the washer 239. Urges the holding body 234 upward against the support bolt 236. A connecting bolt 241 is detachably fixed to the holding body 234.

As shown in FIGS. 4, 6, 16, and 17, the upper ends of the pair of support bolts 236 are connected to the cup mounting body 223 via the connecting body 262. Accordingly, the pair of support bolts 236 are connected and fixed to the cup mounting body 223, and the scraper support body 228 to the scraper member 225 are interposed via the holding body 234 and the coil spring 237 so as to be vertically movable with respect to the planting cup 155. Are supported by a pair of support bolts 236.
As shown in FIGS. 19 and 22, the pair of support bolts 236 may connect the upper end portions or the lower end portions to each other by a connecting plate 243.

As shown in FIG. 15 to FIG. 18, the cup mounting body 223 protrudes rearward from the support body 164, and the planting cup 155 is connected to the support body 164 via the cup mounting body 223 or the like. A support shaft 257 protrudes from the support 164, and cylindrical support cylinders 260 and 261 protrude from the support 164. The support shaft 257 is inserted into and held by the support shaft 205 of the cup support member 163 shown in FIG.
The support body 164 includes an L-shaped vertical member 164a and a rectangular tube-shaped horizontal member 164b, and the vertical member 164a and the horizontal member 164b are fixed to each other by welding or the like. A connection plate 263 is fixed to the horizontal member 164b, a fixing plate 264 is fixed to the connection plate 263, and a cup attachment body 223 is provided to protrude rearward. As shown in FIG. 26, the fixing plate 264 is fastened and fixed to the cup support member 163 by a pair of fasteners 265 such as a pair of upper and lower bolts, whereby the support body 164 and the cup mounting body 223 are fixed to the cup support member 163. Has been.

As shown in FIG. 11 to FIG. 14 and FIG. 19 to FIG. 22, an open / close interlock that opens and closes the planting cup 155 in conjunction with the vertical movement of the cup support member 163 between the cup support member 163 and the planting cup 155. A mechanism 252 and a scraper interlocking mechanism 253 that presses the scraper member 252 against the inner surface of the planting cup 155 in conjunction with the vertical movement of the cup support member 163 are provided.
As shown in FIGS. 11 to 14, the opening / closing interlock mechanism 252 includes an opening / closing rocking lever 266 and an opening / closing cam mechanism 267, and the opening / closing rocking lever 266 is vertically moved inward in the left-right direction of the support 164. The support shaft 268 protrudes from the upper end of the swing lever 266 for opening and closing, and the support shaft 268 is inserted into the support tube 260 of the support 164 so as to be rotatable about the shaft center. 266 is supported to be swingable about a support shaft 268 with respect to the support 164 (cup support member 163 side). A roller body 269 is supported in the middle of the opening / closing swing lever 266 so as to be rotatable about its axis, and the lower end of the opening / closing swing lever 266 is connected to the protruding piece 221 of the opening / closing link 220a by a connecting rod 271. .

  The opening / closing cam mechanism 267 includes an opening / closing cam 272 fixed to the support shaft 205 and a roller body 269 of the opening / closing swing lever 266, and the roller body 269 is disposed on the front side of the opening / closing cam 272. The roller body 269 is pressed against the opening / closing cam 272 from the front side by the bias of the spring 224. Thus, the opening / closing rocking lever 266 is in contact with the opening / closing cam 272 via the opening / closing cam 272, and each time the opening / closing cam 272 makes one rotation with respect to the cup support member 163, the opening / closing cam 272 pushes the opening / closing swing lever 266 forward, swings the opening / closing swing lever 266 forward, and pulls the protruding piece 221 of the opening / closing link 220a to the front side via the connecting rod 230, thereby The planting cup 155 is configured to open back and forth.

  One rotation of the opening / closing cam 272 with respect to the cup support member 163 corresponds to one rotation of the first rotation case 161. With the rotation of the first rotation case 161, the planting cup 155 descends to the ridge R. When it enters, a planting hole is formed in the ridge R, and the opening / closing cam 272 presses the opening / closing swing lever 266 forward to swing the opening / closing swing lever 266 forward, thereby connecting rods. The projecting piece 221 of the opening / closing link 220a is pulled forward through 230, whereby the planting cup 155 is opened back and forth so that seedlings can be planted in the planting hole. Further, when the planting cup 155 rises and the planting cup 155 reaches the top dead center A (or near the top dead center A) as the first rotation case 161 rotates, the convex portion of the opening / closing cam 272 Is disengaged from the roller body 269 of the swing lever 266 for opening and closing, the cam lever 226 swings back and swings, and pushes the protruding piece 221 of the opening and closing link 220a to the rear side via the connecting rod 271, thereby The attached cup 155 is closed.

  As shown in FIGS. 19 to 22, the scraper interlocking mechanism 253 includes a scraper swing lever 275 and a scraper cam mechanism 276, and the scraper swing lever 275 is disposed in the front-rear direction inside the support body 164 in the left-right direction. A support shaft 278 protrudes from the front end of the swing lever 275 for the scraper, and the support shaft 278 is inserted into the support cylinder 261 of the support 164 so as to be rotatable about the center of the shaft. 275 is supported by the support 164 (cup support member 163 side) so as to be swingable up and down around the support shaft 278. A roller body 279 is provided in the middle of the swing lever 275 for the scraper so as to be rotatable about the axis, and the rear end portion of the swing lever 275 for the scraper is connected to the connection bolt 241 of the scraper member 225 via the connection link 281. As a result, the scraper member 225 is supported by the cup support member 163 so as to move up and down, and when the scraper swing lever 275 swings downward, the scraper member 225 is moved downward via the coil spring 237. It is configured to pull. Further, a scraper support 228 is connected to the scraper swing lever 275 via a spring 237 so that the front scraper 226 and the rear scraper 227 are elastically pressed against the front and rear inner surfaces of the planting cup 155, respectively. Yes.

The scraper cam mechanism 276 includes a scraper cam 283 fixed to the support shaft 205 and a roller body 279 of a scraper swing lever 275. The roller body 279 is disposed below the scraper cam 283. The roller body 279 is disposed in pressure contact with the scraper cam 283 from below by the bias of the coil spring 237.
The scraper swing lever 275 is in contact with the scraper cam 283 via the roller body 279, and the scraper cam 283 is used for the scraper each time the scraper cam 283 makes one rotation with respect to the cup support member 163. By pushing the swing lever 275 downward, the scraper swing lever 275 swings downward, and the holding body 234 is pulled downward via the connecting bolt 241, whereby the front scraper 226 of the scraper member 225 and The rear scraper 227 is configured to be pressed against the front and rear inner surfaces of the planting cup 155, respectively. That is, the scraper interlocking mechanism 253 including the scraper swing lever 275 and the scraper cam mechanism 276 moves the scraper member 225 up and down relative to the planting cup 155 in conjunction with the vertical movement of the cup support member 163. Thereby, the scraper member 225 is pressed against the inner surface of the planting cup 155.

One rotation of the scraper cam 283 relative to the cup support member 163 corresponds to one rotation of the first rotation case 161, and the planting cup 155 is opened back and forth with the rotation of the first rotation case 161. When ascending, the front scraper 226 and the rear scraper 227 of the scraper member 225 are pressed against the front and rear inner surfaces of the planting cup 155 to scrape dirt and the like adhering to the inner surface of the planting cup 155. More specifically, the scraper interlocking mechanism 253 lowers the scraper member 225 with respect to the planting cup 155 when the planting cup 155 starts to descend and opens, and the planting cup 155 rises from the ridge R. When raised, the scraper member 225 is lowered most with respect to the planting cup 155, and the scraper member 225 is raised most with respect to the planting cup 155 before the planting cup 155 rises and closes. It is configured to return.

According to the embodiment, when power is transmitted to the input gear 181 and the first rotating shaft 166 is rotated in the e direction as shown in FIG. 3, the first rotating case 161 is moved to the first rotating shaft 166. At the same time, the second rotating case 162 rotates around the first rotating shaft 166 in the e direction, and in conjunction with this, the second rotating case 162 rotates around the second rotating shaft 171 at the same speed in the f direction (the direction opposite to the first rotating case 161). In conjunction with this, the cup support member 163 rotates relative to the second rotation case 162 around the third rotation shaft 175 in the opposite direction. At this time, the second rotating case 162 is twice as large as the first rotating case 161 with respect to the first rotating case 161 (considering the first rotating case 161 or the first rotating case 161 being fixed). The cup support member 163 (the third rotation shaft 175 and the second output gear 174) rotates in the reverse direction at the rotation speed, and the rotation speed is ½ with respect to the second rotation case 162 around the third rotation shaft 175. Therefore, the cup support member 163 protrudes rearward horizontally without rotating or swinging around the third rotating shaft 175 with respect to the traveling machine body 2 side of the transplanter 1. Move up and down in a fixed posture.

When the planting cup 155 is stopped at the top dead center A, the first rotating case 161 and the second rotating case 162 face upward, and the cup support member 163 protrudes rearward horizontally. At this time, the planting cup 155 is in a closed state, and seedlings are supplied from the seedling supply device 152 into the planting cup 155.
When the first rotating case 161 rotates in the e direction, the second rotating case 162 rotates by the same angle in the f direction, the cup support member 163 moves downward while protruding backward, and the planting cup 155 also moves down. At this time, the planting cup 155 is in a closed state, and the scraper member 225 is not in pressure contact with the inner surface of the planting cup 155.

  When the first rotating case 161 rotates 180 degrees in the e direction, the second rotating case 162 rotates 180 degrees in the f direction, and the cup support member 163 descends the largest while horizontally protruding backward. At this time, the planting cup 155 descends to the bottom dead center B and enters the heel R to form a planting hole in the heel R, and the opening / closing swing lever 266 is pushed forward by the convex portion of the opening / closing cam 272. Then, it swings forward, thereby opening the planting cup 155 back and forth and planting the seedling in the planting hole. At this time, the scraper member 225 is not yet in pressure contact with the inner surface of the planting cup 155.

Further, when the first rotating case 161 rotates in the e direction, the second rotating case 162 further rotates in the f direction, and the cup support member 163 rises from the state where it is most greatly lowered while protruding backward horizontally. At this time, the planting cup 155 is in a widely opened state, and the scraper member 225 is not yet pressed against the inner surface of the planting cup 155.
When the first rotating case 161 further rotates in the e direction, the planting cup 155 remains in an open state, and the scraper swing lever 275 is pressed downward by the convex portion of the scraper cam 283 so that the scraper. The swing lever 275 swings downward, and the scraper member 225 starts to come into pressure contact with the inner surface of the planting cup 155, and then the scraper member 225 presses against the inner surface of the planting cup 155, Start soil removal.

When the first rotating case 161 rotates 360 degrees in the e direction, the second rotating case 162 rotates 360 degrees in the f direction, and the planting cup 155 rises to the top dead center A. At this time, the forward pressing of the opening / closing swing lever 266 by the convex portion of the opening / closing cam 272 is released, and the planting cup 155 is closed. Further, the downward pressing of the scraper cam 283 by the convex portion of the scraper cam 283 is released, and the scraper member 225 does not come into pressure contact with the inner surface of the planting cup 155. finish.
Thereafter, the same operation is repeated by the rotation of the first rotating case 161 and the second rotating case 162.

  Therefore, the cup support member 163 moves up and down in a fixed posture projecting rearward horizontally without rotating or swinging around the third rotation shaft 175 with respect to the traveling machine body 2 side of the transplanter 1. The cup support member 163 moves up and down at a high speed. Similarly, the planting cup 155 also moves up and down at a high speed and the two do not move relatively violently. An open / close interlock mechanism 252 for opening and closing the planting cup 155 in conjunction with the vertical movement of the planting cup 155, and a scraper for scraping off dirt or the like adhering to the inner surface of the planting cup 155. It is easy to provide the interlocking mechanism 253. For this reason, the opening / closing interlocking mechanism 252 and the scraper interlocking mechanism 253 have a simple configuration as much as possible, and interlock with the vertical movement of the planting cup 155. Planting cup 155 or open well smoothly and accurately, it is possible or without the scraping of earth or smoothly and reliably.

  Further, the base portion of the cup support member 163 is fixed to the third rotating shaft 175 via the third mounting body 195 and the mounting plate 196 so as to be swingable up and down, and the fastener 212 is loosened to fix the third mounting body. By rotating and adjusting the cup support member 163 around the third rotation shaft 175 in the range of the long hole 211 with respect to 195 and retightening the fastener 212, the left and right cup support members 163 are adjusted in the range of the long hole 211. By swinging up and down easily, the right and left planting cups 155 can be individually adjusted with high accuracy and easily. Therefore, even when the upper surface of the ridge R is not flat, the planting depth in the left and right planting cups 155 can be easily and surely set to the optimum depth.

Further, a scraper member 225 for scraping off the soil adhering to the inner surface of the planting cup 155 is supported by the cup support member 163 so as to be movable up and down, and the scraper member 225 is planted in conjunction with the vertical movement of the cup support member 163. Since the scraper interlocking mechanism 253 that moves the scraper member 225 up and down with respect to the planting cup 155 is provided so as to come into pressure contact with the inner surface of the cup 155, the scraper member 255 and the planting cup 155 that moves up and down at high speed And the scraper member 225 can be held in the planting cup 155 at all times, so that the scraper member 225 can be moved to a desired position with high accuracy relative to the planting cup 155. It is possible to align the scraper member 225 on the inner surface of the planting cup 155 accurately and satisfactorily. Pressed against, it is possible to scrape off the dirt adhering to the inner surface of the planting cup 155 smoothly and reliably.

27 and 28 show another embodiment, and the front scraper 226 and the rear scraper 227 are formed into U-shapes with bent lower ends by elastic wires such as piano wires, and the upper ends of the front scraper 226 are formed at the upper ends. It is bent in an inverted U shape, and is clamped and fixed with bolts or the like to the front mounting portion 228a of the scraper support 228 between the holding plate 229, and both upper ends of the rear scraper 227 are bent in an inverted U shape In addition, the scraper support 228 is sandwiched between the presser plate 229 and fixed to the rear mounting portion 228b by bolts or the like.

In the above embodiment, the first transmission mechanism 201 that rotates the second rotating case 162 in conjunction with the rotation of the first rotating case 161 includes the first sun gear 167, the first planetary gear 168, and the first output gear. 169, a second rotating shaft 171, and a second transmission mechanism 202 that rotates the cup support member 163 in conjunction with the rotation of the second rotating case 162, the second sun gear 172, the second planetary gear 173, the second Although constituted by the output gear 174 and the third rotating shaft 175, instead of the first transmission mechanism 201, the motor that rotates the second rotating case 162 in conjunction with the rotation of the first rotating case 161 is the first rotation. You may make it provide in case 161 grade | etc.,. Instead of the second transmission mechanism 202, a motor that rotates the cup support member 163 in conjunction with the rotation of the second rotation case 162 may be provided in the second rotation case 162 or the like. Further, a motor for rotating the disc body 287, the opening / closing cam 272 or the scraper cam 283 provided on the cup support member 163 in conjunction with the vertical movement of the cup support member 163 is provided instead of the transmission mechanism. Also good.

  In the embodiment, the first rotating case is used as the first rotating body 161, the second rotating case is used as the second rotating body 162, and the transmission case is used as the cup support member 163. The first rotating body 161, the second rotating body 162, and the cup support member 163 are not limited to those configured by a case, and the first rotating body 161, the second rotating body 162, and the cup support member 163 are, for example, plate-shaped or You may make it comprise with a rod-shaped thing. For example, the cup support member 163 may be formed of a bar member that protrudes from the third rotating shaft 175 in the front-rear direction.

  Moreover, in the said embodiment, the length of the 2nd rotation case 162 is set shorter than the length of the 1st rotation case 161, the 3rd rotating shaft 175, the free end side of the 2nd rotation case 162, and a cup support member 163 is displaced forward with respect to the traveling machine body 2 side of the transplanter 1, and is displaced rearward when raised and swells up and down, but instead of this, The length of the two-rotation case 162 is set to be the same as the length of the first rotation case 161, and the third rotating shaft 175, the free end side of the second rotation case 162 and the cup support member 163 are connected to the traveling body of the transplanter 1. The two sides may be moved up and down in a straight line. Conversely, the length of the second rotating case 162 may be set longer than the length of the first rotating case 161.

In the above-described embodiment, the opening / closing swing lever 266 of the opening / closing interlock mechanism 252 is swingably supported by the support body 164, whereby the opening / closing swing lever 266 is supported via the support body 164. Instead of this, the open / close swing lever 266 of the open / close interlock mechanism 252 may be directly supported by the cup support member 163 so as to swing freely.
In the above-described embodiment, the scraper swing lever 275 of the scraper interlocking mechanism 253 is swingably supported by the support member 164, whereby the scraper swing lever 275 is cupped via the support member 164. Instead of this, the scraper swing lever 275 of the scraper interlocking mechanism 253 may be directly swingably supported on the cup support member 163. .

  The present embodiment discloses an example of the present invention, and other types of apparatuses can be adopted as the inter-strain changing apparatus, planting apparatus, seedling supply apparatus, and the like.

  INDUSTRIAL APPLICABILITY The present invention can be used in a transplanting machine for planting vegetable seedlings such as onions by vertical movement of a planting cup.

It is a side view of the transplanter which shows one embodiment of this invention. It is a top view of the transplanter. It is a side view of the transplant device. It is a top view of the transplant device. It is a front sectional view of the transplant device. It is a front view of the transplant device. It is front sectional drawing of the planting cup drive mechanism. It is a plane sectional view of the planting cup drive mechanism. It is a side view of the 1st rotation case and the 2nd rotation case. It is a front view of the cup support member portion. It is a top view of a part of the planting cup drive mechanism. It is a partial front view of the planting cup drive mechanism. It is a front view of the other part of the planting cup drive mechanism. It is a side view of the other part of the planting cup drive mechanism. It is a top view of the other part of the planting cup drive mechanism. It is a front view of the other part of the planting cup drive mechanism. It is a front view of the other part of the planting cup drive mechanism. It is a side view of the other part of the planting cup drive mechanism. It is a top view of the other part of the planting cup drive mechanism. It is a side view of the other part of the planting cup drive mechanism. It is a side view of the other part of the planting cup drive mechanism. It is a side view of the other part of the planting cup drive mechanism. It is a plane sectional view of the cup support member portion. It is a side view of the transmission chain part. It is a side view of the cup support member part. It is a side view of the cup support member and a support body part. It is a side view of the planting cup drive mechanism which shows other embodiment. It is a front view of the planting cup drive mechanism.

Explanation of symbols

155 Planting cup 161 first rotating body (first rotating case)
162 Second rotating body (second rotating case)
163 Cup support member 164 Support body 166 First rotation shaft 167 First sun gear 168 First planetary gear 169 First output gear 171 Second rotation shaft 172 Second sun gear 173 Second planet gear 174 Second output gear (output rotation body)
175 Third rotating shaft 196 Mounting plate 225 Scraper member 226 Front scraper 227 Rear scraper 228 Scraper support 228a Front mounting portion 228b Rear mounting portion 228c Connection portion 237 Coil spring 252 Open / close interlock mechanism 253 Scraper interlock mechanism 266 Open / close swing lever 267 For opening / closing Cam mechanism 272 Opening / closing cam 275 Scraper swing lever 276 Scraper cam mechanism 283 Scraper cam

Claims (6)

Opening and closing interlocking that opens and closes the planting cup (155) in conjunction with the vertical movement of the cup support member (163) is supported by the cup support member (163) that moves up and down so that the planting cup (155) moves up and down. In the transplanter provided with the mechanism (252),
A scraper member (225) for scraping off the dirt adhering to the inner surface of the planting cup (155) is supported by the cup support member (163) so as to be movable up and down, and interlocked with the vertical movement of the cup support member (163). A scraper interlocking mechanism (253) for moving the scraper member (225) up and down relative to the planting cup (155) is provided so that the scraper member (225) is pressed against the inner surface of the planting cup (155). A transplanter characterized by that.   The scraper interlocking mechanism (253) includes a scraper swing lever (275) supported on the cup support member (163) so as to be swingable up and down, and a scraper in conjunction with the vertical movement of the cup support member (163). And a scraper cam mechanism (276) for swinging the swing lever (275). The scraper member (225) is pressed against the inner surface of the planting cup (155) by swinging the scraper swing lever (275). The transplanter according to claim 1, wherein the scraper swing lever (275) is connected to the scraper member (225). The opening / closing interlock mechanism (252) opens the planting cup (155) when the planting cup (155) descends and enters the ridge R, and plantes when the planting cup (155) rises. Configured to close the cup (155),
The scraper interlocking mechanism (253) lowers the scraper member (225) relative to the planting cup (155) when the planting cup (155) starts to descend and opens, and the planting cup (155) rises. 2. The transplanter according to claim 1, wherein the transplanter is configured to return the scraper member (225) to a raised state relative to the planting cup (155) before closing.   The scraper member (225) has a front scraper (226) and a rear scraper (227) that slide on the front and rear inner surfaces of the planting cup (155), respectively. The front scraper (226) and the rear scraper (227) Is attached to the scraper support (228), and the scraper support (228) so that the front scraper (226) and the rear scraper (227) are elastically pressed against the front and rear inner surfaces of the planting cup (155), respectively. The transplanter according to claim 1, characterized in that is connected to the scraper swing lever (275) via a spring (237).   The scraper support (228) includes a front mounting portion (228a) for mounting the front scraper (226), a rear mounting portion (228b) for mounting the rear scraper (227), and the front mounting portion (228a) and the rear mounting portion. The upper end of the planting cup (155) is formed in a U-shape having a coupling part (228c) that couples (228b), and the scraper support (228) is detached from directly above the planting cup (155). In order to widen the space above the opening, the front mounting portion (228a) is disposed along the upper end of the front wall of the planting cup (155), and the rear mounting portion (228b) is the rear wall of the planting cup (155). The transplanter according to claim 4, wherein the transplanter is arranged along an upper end.   The front scraper (226) and the rear scraper (227) are each formed in a U-shape with the lower end bent, and the upper ends of the front scraper (226) are bent in an inverted U-shape to form a scraper support (228). ) Is fixed to the front mounting portion (228a), and both upper ends of the rear scraper (227) are bent in an inverted U shape and fixed to the rear mounting portion (228b) of the scraper support (228). The transplanter according to claim 4, wherein the transplanter is characterized.

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