JPH04105028U - Seedling box shipping device - Google Patents

Abstract

(57) [Summary] [Purpose] The purpose is to provide a seedling box loading device that can smoothly stack and ship seedling boxes. [Structure] A pair of left and right box holders are moved around from a lifting position to a stacking position, and the seedling boxes conveyed to the lifting position on a first conveyor are sequentially lifted by each box holder. While holding the seedling boxes in a horizontal position, each box holder is vertically lowered from above the stacking position, and the seedling boxes are sequentially stacked vertically at the stacking position on the second conveyor, and then a predetermined number of boxes are stacked. By transferring the box blocks to the cart all at once, it is possible to reliably prevent the seedling boxes held between the box holders from shifting and the artificial soil from shifting, and to align the seedling boxes vertically. Can be stacked sequentially.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea can be used, for example, in seeding plants for seeding, such as bed soil, irrigation, sowing, and covering soil. A seedling box used to stack treated seedling boxes in multiple stages and transfer them to a trolley. Regarding a shipping device.

0002

[Conventional technology]

Conventionally, as the above-mentioned seedling box loading device, for example, the device already developed by the applicant has been used. There is a seedling box loading device (Japanese Patent Application No. 36880/1999).

0003 This device is transported to the lifting position I on the first conveyor 2, as shown in FIG. Seedling box a is held in a horizontal position by a pair of left and right box holders 3, 3, and seedling box a is held horizontally. Move each box holder 3, 3 from the lifting position I to the stacking position II while keeping it in the same position. The seedling boxes a are sequentially stacked in the vertical direction at the stacking position II of the second conveyor 6 by moving around. This is a device that transfers a predetermined number of stacked box blocks A to the trolley 7 all at once. Ru.

0004

[Problem that the idea aims to solve]

However, as shown in FIG. This is because it is pivotally connected to the support shaft 20 fixed above via a bearing (not shown). When each box holder 3, 3 is moved around from the lifting position I to the stacking position II, the Each box holder 3, 3 swings back and forth due to the reaction that occurs when moving and stopping. If the position of the seedling raising box a held between these box holders 3 and 3 is shifted, or the seedling raising box a is Since the artificial soil in box a may be uneven, the seedling growing boxes a should be stacked vertically. I can't do it. Therefore, when stacking, the position of seedling box a may be misaligned, or the artificial soil may This has the problem of poor work efficiency as it is necessary to correct misalignment. .

[0005] In view of the above-mentioned problems, this idea was developed in such a way that the left and right sides of the seedling box are kept in a horizontal position. By moving the box holder in a circular motion, the seedling boxes can be aligned vertically and stacked one after the other. Seedling box stacking that allows for smooth stacking and shipping of seedling boxes. The purpose is to provide a dispensing device.

[0006]

[Means to solve the problem]

This idea is based on the idea that the two endless bands are shifted from each other along the circumferential path of the box holder. The endless bands are stretched in parallel, and a driving means is provided to rotate each endless band synchronously in the circumferential direction. A box receiving stand is pivotally mounted on the endless band stretched inside the circular route, and the circular route is An interlocking link is pivotally attached to an endless band stretched outside the box, and the seedling box is held in a horizontal position. Set the orbiting posture of the box holder so that It is characterized by being a tied-fixed seedling loading device.

[0007]

[Effect]

This idea drives a rotating means to orbit two endless bands stretched on a circular path. By rotating the seedling box synchronously in the direction, the box holder and the interlocking link can be connected. Each box holder moves around while being held in a horizontal position. In other words, lifting position The seedling box being transported to the plant is held in a horizontal position by a pair of box holders on the left and right. Move each box holder from the lifting position to the stacking position while keeping it in a horizontal position. After moving the seedling boxes and stacking them vertically, a predetermined number of box blocks are stacked. are transferred all at once to a trolley.

[0008]

[Effect of the idea]

According to this idea, two endless bands stretched on a circumferential path are rotated synchronously in the circumferential direction. Then, the box holder is moved around while holding the seedling box in a horizontal position. There is no mechanical catch to prevent the box holder from swinging, and the seedling box can be placed in a horizontal position. The pair of left and right box holders move smoothly while being held in place, and each box holder Since the stand is regulated to a predetermined posture, each box holder will be The stand does not swing back and forth, and unlike conventional models, the position of the seedling box will shift or the seedling box will not move. It is possible to reliably prevent the artificial culture soil from shifting to one side. Moreover, when stacking There is no need to correct the misalignment of the seedling box or the unevenness of the artificial soil. Can be stacked vertically and stacked one after another while held in a flat position, allowing for seedling raising. Enables smooth stacking and unloading of boxes and improves work efficiency. be able to.

[0009]

【Example】

An embodiment of this invention will be described in detail below based on the drawings.

0010 The drawing shows a seedling box loading device that stacks a predetermined number of sown seedling boxes and transfers them to a trolley. In Fig. 1, this seedling box loading device 1 is a seedling plant (not shown). ), the first conveyor 2 transports the seedling growing boxes a supplied from The seedling box a being transported to position I is held in a horizontal position by a pair of left and right box holders 3, 3. Each of these box holders 3, 3 is moved around from the lifting position I to the stacking position II, and the seedling raising box is placed. A box stacking device 4 that sequentially stacks the box blocks a in the vertical direction, and a predetermined number of stacked box blocks. A second conveyor 6 transports A from the stacking position II to the clamping position III, and the clamping position III The box blocks A to be transported are transferred all at once to the cart 7 waiting at the unloading position IV. It consists of a box transfer device 8.

[0011] The first conveyor 2 described above includes pulleys 9 that are pivotally supported at the starting and ending ends of the conveyance path B. , 9, a conveyor belt 10 is stretched between them, and a first motor 11, which is disposed at the lower part of the starting end side, is driven. The force causes the conveyor belt 1 to move through the sprockets 12, 13 and the drive chain 14. 0 along the transport path B, and hold the seedling box a transferred onto the transport belt 10. Sequentially convey to the raised position I.

0012 As shown in FIGS. 1 and 2, the box stacking device 4 described above has a pair of left and right box receiving stands 3. , 3 to the inner position of the looping route C. and each chain for each rotation to maintain the rotation posture of each of these box holders 3, 3. The chains 16, 16 are stretched outside the circumferential path C, and each of these circumferential chains is The chains 15, 15 and the respective circumferential chains 16, 16 are strung up and down at different levels. And On the outer periphery of each of these circulating chains 15, 15 are a pair of left and right box holders 3, 3. Six sets are installed at predetermined equal intervals.

[0013] As shown in FIGS. 3 and 4, each of the box holders 3 and 3 described above is mounted in a trapezoidal shape. Brackets 18, 18 are fixed to both ends of the lower part of the support plate 17, and each of these brackets 18 , 18, a support shaft 20 welded to the lower end of the back side of the receiving plate 19 is rotatably mounted. ing. In addition, coiled springs 21, 21 are attached to both ends of the support shaft 20 to maintain the seedling raising box a. While rotating the receiving plate 19 in the direction in which it is held, welding is applied to both ends of the lower part of the receiving plate 19. The contacting regulation plates 19a and 19a and the regulation plate fixed to the lower end of the back side of the mounting plate 17 Rotation of the receiving plate 19 is restricted to a position where the seedling box a is held in a horizontal position by making contact with the seedling box 22. are doing. On the other hand, a cylindrical bracket 23 is fixed on the outer periphery of the circumferential chain 15, A connecting shaft 24 fixed to the upper end of the back side of the mounting plate 17 is attached to this cylindrical bracket 23. is inserted rotatably. In addition, an interlocking link 25 is attached to the insertion side end of the connecting shaft 24. At the same time, the lower end of the interlocking link 25 and the outer circumference of the circumferential chain 16 It is connected to a fixed bracket 26.

[0014] Each of the above-mentioned loop chains 15 and 16 has sprockets on both sides of the upper stage of the lifting position I. Sprockets 28, 28 are mounted on both sides of the upper stage of the stacking position II. There are inverted U-shaped chains on both sides of the upper part from the lifting position I to the stacking position II. The chain guides 29, 29 are installed, and the vertical parts of these chain guides 29, 29 and the flat In addition to constructing the circumferential guides 30, 30, sprockets pivotally supported on both sides are installed. 27, 28 and chain guide 29, the looping chains 15 are stretched respectively. . On the other hand, the sprockets 31, 31 are pivotally supported on both sides of the lower stage of the lifting position I, and the Sprockets 32, 32 are pivotally supported on both sides of the lower stage at position II, and stacked from lifting position I. Inverted U-shaped chain guides 33, 33 are installed on both sides of the upper part leading to the screw position II. Circulating guides 34, 34 are constructed along the outer peripheral surfaces of these chain guides 33, 33. At the same time, the sprockets 31, 32 and chain guide 33, which are pivotally supported on both sides, A circumferential chain 16 is stretched between the two.

[0015] In addition, the sprockets 28 and 28 are coaxially supported on the upper side of the stacking position II. Sprocket with sprockets 35, 35 fixed and pivoted on the lower side of stacking position II Sprockets 36, 36 are fixed on the same axis as 32, 32, and the second conveyor 6 is conveyed. Sprockets 38, 38 are fixed to both ends of a rotating shaft 37 that is supported at the bottom of the surface. An interlocking chain 39 is stretched between sprockets 35, 36, and 38 that are pivotally supported on the side. There is. In other words, the sprocket is driven by the driving force of the second motor 40 disposed at the top of the device. Cuts 35, 36, 38, 41, 42, 43, 44 and chains 39, 45, 46 The circumferential chains 15 and 16 are rotated synchronously along the circumferential path C via the The seedling box a being transported to position I is held in a horizontal position by a pair of left and right box holders 3, 3. Each of these box holders 3, 3 is moved around from the lifting position I to the stacking position II, and the seedling raising box is placed. Stack a sequentially in the vertical direction.

[0016] The second conveyor 6 described above has a width shorter than the width of the seedling box a on the starting end side of the conveyance path D. A plurality of rollers 51 are pivotally supported, and a width larger than the width of the seedling box a is placed on the terminal side of the conveyance path D. A plurality of long rollers 52 are supported, and each of these rollers 51 and 52 is driven by a motor with a reduction gear. The drive force of a motor (not shown) rotates along the conveyance path D, and a predetermined number of stacks are stacked. The box block A is transported from the stacking position II to the clamping position III.

[0017] As shown in FIGS. 1 and 5, the box transfer device 8 described above has a movable frame formed in an H shape. Side plates 62, 62 are fixed to the inner surface of the upper end of 61, and the opposing surfaces of these side plates 62, 62 are Three rollers 63 each supported by a shaft on the side are mounted on the top of the device perpendicular to the conveyance path D. It engages on the provided running guides 64, 64. Moreover, these traveling guides 64, Runs between sprockets 65 and 65 that are pivotally supported on the upper part of the starting end side and the upper part of the ending side between 64 and 64. The chain 66 is stretched, and the driving force of the third motor 67 arranged at the upper part of the terminal side , the running chain 66 via the sprockets 68, 69 and the drive chain 70. It rotates forward and backward along the travel route E. That is, the end of this traveling chain 66 It is connected and fixed to the upper end of the movable frame 61 and can be placed in the above-mentioned clamping position III and loading position IV. The movement of the moving frame 61 is stopped.

[0018] A support shaft 71 is mounted on the inner surface of the lower end of the movable frame 61, and fixed on this support shaft 71. the lower end of the arm 72 and the base end of the comb-shaped lift fork 74. A lift connected by a link rod 73 and vertically installed on the lower horizontal frame 61a of the movable frame 61 The piston rod of the cylinder 75 is connected to the upper end of the arm 72. On the other hand, possible Guide shafts 76, 76 are vertically installed between the upper and lower horizontal frames 61a, 61b of the moving frame 61. , an elevating plate 77 is vertically slidably engaged on these guide shafts 76, 76, and A box block A is placed on the lift fork 74 at the extending end of the elevating plate 77. The press plate 78 is attached facing the upper surface, and is mounted on the upper horizontal frame 61b of the movable frame 61. The piston rod of the provided lifting cylinder 79 is connected to the lifting plate 77. Sunawa Then, operate the lift cylinder 75 and the elevating cylinder 79 to transport it to the clamping position III. The upper and lower surfaces of the box block A are held between a lift fork 74 and a pressing plate 78.

[0019] The aforementioned trolley 7 runs on two rails 82, 82 on the floor below the loading position IV. The four rails 82, 82 are installed on the four corners of the bottom of the trolley 7. The casters 81 are engaged with each other. And the running side between these rails 82, 82 A running chain 84 is placed between the sprockets 83, 83 which are pivotally supported at the starting end and the ending end. Sprocket 8 6, 87 and the drive chain 88, the traveling chain 84 is rotated on the traveling side. That is, the bottom part of the trolley 7 is locked onto the traveling chain 84 and the rails 82, 82 are The vehicle is moved from the start end to the end end of the travel side.

[0020] The illustrated embodiment is configured as described above, and hereinafter, the seedling box unloading device 1 is used. The stacking and unloading operations of the seedling raising boxes a will be explained.

[0021] First, as shown in FIG. a to the lifting position I, and also drives the second motor 40 of the box stacking device 4. The chains 15, 15 for each loop are stretched in the inner position, and the chains 15, 15 are stretched in the outer position. By synchronously rotating the respective orbiting chains 16, 16 along the orbiting route C, Each box holder 3... which is pivoted on each of these orbiting chains 15, 15, and each orbiting chain As shown in FIG. As shown in FIG. Ru. In other words, the pair of left and right box holders 3, 3 are lifted up vertically in sequence from below the position I. The seedling box a, which is raised and transported to the same position, is held horizontally by a pair of left and right box receivers 3, 3. While holding the seedling box a in a horizontal position, place a pair of left and right box holders 3, 3 from the lifting position I to the stacking position II, and the left and right pair of box holders 3, 3 are sequentially vertically lowered from above the stacking position II to the second conveyor 6 at the stacking position II. After stacking the seedling boxes a in the vertical direction, the second conveyor 6 is driven to stack a predetermined number of seedling boxes a. The stacked box blocks A are transported from the stacking position II to the clamping position III.

[0022] Next, as shown in FIG. 5, the lift cylinder 75 and the elevating cylinder of the box transfer device 8 are 79, the box block A transported to the clamping position III is moved to the lift fork 7. 4 and the pressing plate 78, the third motor 67 is driven to clamp the movable frame 61. The lift fork 74 and the pressing plate 78 are moved from the position III to the unloading position IV. After transferring the box block A, which has been clamped at Then, the movable frame 61 is returned from the unloading position IV to the clamping position III. Same hereafter This is one pitch for transferring one box block A by driving the fourth motor 85. The cart 7 is moved and a predetermined number of box blocks A are transferred to the front and rear and left and right sides of the cart 7. After that, the carts 7 are sequentially transported to a budding process (not shown).

[0023] While holding the seedling box a in a horizontal position in this way, the pair of left and right box holders 3, 3 is moved around, so a mechanical pull is installed to prevent each box holder 3 from swinging. Each box holder moves smoothly without getting stuck, even if there is reaction when moving or stopping. 3 and 3 do not swing back and forth, and the position of seedling box a may shift or the seedlings may not move as in the conventional example. It is possible to reliably prevent the artificial soil in box a from shifting to one side. Moreover, when stacking There is no need to correct the misalignment of the nursery box a or the unevenness of the artificial soil, so the The seedling boxes a can be aligned vertically and stacked one after another while holding them in a horizontal position. This allows for smooth stacking and unloading of seedling boxes a, and improves work efficiency. It is possible to improve the performance.

[0024] In the correspondence between the structure of this invention and the above-mentioned embodiments, The endless belt of this invention corresponds to the circumferential chains 15 and 16 of the embodiment, Similarly below, The rotation means includes a second motor 40 and sprockets 27, 28, 31, 32, 35. , 36, 38, 41, 42, 43, 44 and chains 39, 45, 46 However, This invention is not limited to the configuration of the above-described embodiment.

[0025] In the above-mentioned embodiment, the circumferential chains 15 and 16 are strung at different heights, but For example, the circumferential chains 15 and 16 may be strung while being shifted in the front-rear direction. As in the example above, a pair of left and right box supports are placed while the seedling box a is held in a horizontal position. It is possible to move around the tables 3, 3.

[Brief explanation of drawings]

FIG. 1 is an overall configuration diagram of a seedling box loading device.

FIG. 2 is a front view showing the operation of stacking seedling boxes by the box stacking device.

FIG. 3 is an enlarged top view showing the rotating movement of the box holder.

FIG. 4 is an enlarged front view of the box holder.

FIG. 5 is a side view showing a box block transfer operation by the box transfer device.

FIG. 6 is an enlarged front view showing a conventional box receiving stand.

[Explanation of symbols]

I...Lifting position II…Stacking position a...Seedling box A...Box block C...Circulating route 1... Seedling box loading device 3...Box holder 4...Box stacking device 7...Dolly 8...Box transfer device 15, 16...Circulation chain 17...Mounting plate 19...Receiver plate 24...Connection shaft 25…Linked link

Claims (1)

[Scope of utility model registration request] Claim 1: A seedling box being transported to a lifting position is held in a horizontal position by a pair of left and right box holders, and each of these box holders is moved circularly from the lifting position to a stacking position along a circular route, and the box is held in a horizontal position. A seedling box loading device that stacks a predetermined number of seedling boxes held at a stacking position and loads them,
Two endless bands are stretched parallel to each other along the circumferential path of the box holder, and rotation means for rotating each endless band synchronously in the circumferential direction is provided. A box holder is pivoted on the stretched endless band, an interlocking link is pivoted on the endless band stretched outside the circumferential path, and the box holder is placed in a state where the seedling box is held in a horizontal position. A seedling box loading device in which the box receiving stand and the interlocking link are connected and fixed in a rotating position.