A melon top grafting machine

Abstract

The application relates to the field of plant grafting technology and discloses a melon top grafting machine which comprises a rack, a stock processing device, a stock positioning device, a scion processing device and a scion positioning device, the stock processing device is connected to the rack, the stock processing device is used for punching processing of a stock, the stock positioning device is connected to the rack, the stock positioning device is used for clamping the punched stock to a grafting position, the scion processing device is connected to the rack, the scion processing device is used for beveling processing of a scion, and the scion positioning device is connected to the rack, the scion positioning device is used for clamping the scion to the grafting position. The application has the effects of realizing batch production of melon top grafting and improving the production efficiency of melon plant top grafting.

Description

TECHNICAL FIELD

[0001] The application relates to the field of plant grafting technology, in particular to a melon top grafting machine. BACKGROUND

[0002] Grafting is one of the artificial propagation methods of plants. That is, the branches or buds of one plant are grafted onto the stems or roots of another plant, so that the two parts grafted together grow into a complete plant. The grafting method is divided into branch grafting and bud grafting, and grafting is carried out by utilizing the wound healing function of plants. The grafting technology can effectively alleviate the problems of heavy cropping, low yield and easy disease during planting of melon vegetables and the like, and can effectively improve the disease resistance of plants and increase the yield.

[0003] At present, the traditional melon top grafting is completed by two skilled grafting workers. Manual grafting has certain technical requirements for grafting workers, and the efficiency in the grafting process is low, the labor cost is high, and thus the melon top grafting has the defect that it is difficult to meet the batch production demand. SUMMARY

[0004] In order to alleviate the problem that the melon top grafting is difficult to meet the batch production demand, the application provides a melon top grafting machine.

[0005] The melon top grafting machine provided by the application adopts the following technical scheme:

[0006] The melon top grafting machine comprises a rack, a stock treatment device, a stock positioning device, a scion treatment device and a scion positioning device. The stock treatment device is connected to the rack, and is used for punching the stock. The stock positioning device is connected to the rack, and is used for clamping the punched stock to a grafting position. The scion treatment device is connected to the rack, and is used for beveling the scion. The scion positioning device is connected to the rack, and is used for clamping the scion to the grafting position.

[0007] By adopting the above technical scheme, two workers operate together. One worker places the stock on the stock treatment device, and the other worker places the scion on the scion treatment device. The stock is punched by the stock treatment device, and the scion is beveled by the scion treatment device. Then, the stock positioning device and the scion positioning device are started, so that the stock positioning device and the scion positioning device respectively move the stock and the scion to the grafting position for grafting treatment. Thus, the automatic grafting of the stock and the scion is realized, and the batch production of the melon top grafting is realized, thereby improving the production efficiency of the melon plant top grafting.

[0008] Preferably, the stock positioning device comprises a support frame, a rotating member and two sets of stock positioning mechanisms, the support frame is rotatably connected to the frame, the rotating member is connected to the frame, the rotating member is connected to the support frame to drive the support frame to rotate, and the two sets of stock positioning mechanisms are connected to the support frame; the scion positioning device comprises a supporting plate, a power mechanism and two sets of scion positioning mechanisms, the supporting plate is rotatably connected to the frame, the power mechanism is connected to the supporting plate to drive the supporting plate to rotate, the two sets of scion positioning mechanisms are connected to the supporting plate, and the two sets of stock positioning mechanisms and the two sets of scion positioning mechanisms are arranged one-to-one, when one set of the stock positioning mechanism and the scion positioning mechanism graft the stock and the scion, the other set of the stock positioning mechanism performs hole drilling on the next stock, and the other set of the scion positioning mechanism performs bevel cutting on the next scion.

[0009] By using the above technical scheme, the two sets of stock positioning mechanisms and the two sets of scion positioning mechanisms are used one-to-one, after the stock processing device and the scion processing device cooperate with one set of the stock positioning mechanism and the scion positioning mechanism to process the stock and the scion, when the stock positioning mechanism and the scion positioning mechanism graft the stock and the scion, the positions of the other set of the stock positioning mechanism and the scion positioning mechanism are alternated with the positions of the previous set of the stock positioning mechanism and the scion positioning mechanism, so that when the previous set of the stock positioning mechanism and the scion positioning mechanism graft the stock and the scion, the other set of the stock positioning mechanism and the scion positioning mechanism can simultaneously perform hole drilling and bevel cutting on the next set of the stock and the scion, the double sets of the stock are alternately moved and grafted, the batch grafting speed of the stock and the scion is significantly improved, and the batch top grafting efficiency of the melon plants is improved.

[0010] Preferably, each set of the stock positioning mechanism comprises a rotating mechanism and a stock clamp for clamping the stock, the stock clamp is rotatably connected to the support frame, and the rotating mechanism is connected to the support frame and connected to the stock clamp to drive the stock clamp to rotate.

[0011] By using the above technical scheme, the stock clamp is rotatably connected to the support frame, when the stock is drilled, the stock clamp is in a horizontal state, the accuracy of drilling the stock is ensured, when the scion is inserted into the stock to graft the stock and the scion, the rotating mechanism drives the stock clamp to rotate by a certain angle, the stock clamped by the stock clamp is inclined by a certain angle, so as to facilitate the fitting with the bevel on the scion, and the survival rate of the grafted stock and scion is improved.

[0012] Preferably, the rotating mechanism comprises a rotating rod, a first gear, a first rack and a third cylinder, the rotating rod is rotationally connected to the support frame, the stock clamp is fixedly connected to the rotating rod, the first gear is coaxially fixedly connected to the rotating rod, the first rack is slidingly connected to the frame, the third cylinder is fixedly connected to the frame, the third cylinder is connected to the first rack to drive the first rack to slide, and the first rack is meshingly connected to the first gear.

[0013] By adopting the above technical scheme, the first rack is driven to slide by the third cylinder to drive the first gear to rotate, the rotating rod is driven to rotate by the first gear, and the stock clamp is driven to rotate, so that the angle of the stock clamp is adjusted.

[0014] Preferably, the stock processing device comprises a stock clamp, a stock moving mechanism and a stock punching mechanism, the stock clamp is connected to the frame, the stock clamp is used for preliminarily supporting the stock, the stock moving mechanism is used for moving the stock on the stock clamp to a stock punching position, and the stock punching mechanism comprises a pressing cylinder, a pressing plate, a cutting cylinder and a cutting needle, the pressing cylinder is fixedly connected to the frame, the pressing plate is connected to the piston rod of the pressing cylinder, the pressing plate is used for pressing leaves on the stock, the cutting cylinder is fixedly connected to the piston rod of the pressing cylinder, and the cutting needle is fixedly connected to the piston rod of the cutting cylinder.

[0015] By adopting the above technical scheme, after the stock clamp clamps the stock, the pressing cylinder is started, the pressing cylinder drives the pressing plate to move downward to press the leaves on the stock, so that the leaves on the stock are in an open and close state, then the cutting cylinder is started, and the cutting needle is driven to move downward by the cutting cylinder to punch the stock, in the punching process, the leaves are always pressed by the pressing plate, so that the leaves on the stock are prevented from being lifted to affect the punching of the stock.

[0016] Preferably, the piston rod of the pressing cylinder is fixedly connected with a flat pushing cylinder, the pressing plate is fixedly connected to the piston rod of the flat pushing cylinder, a letting slot is formed in the pressing plate for the stock stem to pass through, the letting slot is formed along the length direction of the flat pushing cylinder, and the bottom of the flat pushing cylinder is provided with a photoelectric sensor for detecting the position of the stock stem on the stock clamp.

[0017] By adopting the above technical scheme, after the stock is clamped by the stock clamp, the stock will inevitably be misaligned with the cutting needle. The position of the stock seedling is detected by the photoelectric sensor to ensure that the stock seedling is directly below the cutting needle. When the photoelectric sensor does not detect the misalignment of the seedling, the pressing cover plate moves under the action of the pressing cylinder and the horizontal pushing cylinder, so that the pressing cover plate supports the stock on the stock clamp, and then the position of the stock can be adjusted, so that the stock moves to the lower side of the cutting needle, ensuring the accuracy of the punching of the stock and reducing the possibility of waste.

[0018] Preferably, the stock clamp comprises a second pneumatic finger cylinder and two second clamping jaws, the second pneumatic finger cylinder is fixedly connected to the rotating rod, the two second clamping jaws are arranged one by one corresponding to the two jaws of the second pneumatic finger cylinder, and the second clamping jaw is fixedly connected to the jaw of the second pneumatic finger cylinder corresponding thereto. A plurality of suction holes are formed in each second clamping jaw, a vacuum generator is arranged on the support frame, and the plurality of suction holes are in communication with the vacuum generator. The suction holes are driven by the vacuum generator to suck air under negative pressure.

[0019] By adopting the above technical scheme, the leaf blades on the stock are negatively adsorbed by the plurality of suction holes, which ensures the stability of clamping the stock and facilitates punching the stock for grafting the scion.

[0020] Preferably, a finished product discharging device is arranged on the rack, the finished product discharging device comprises the finished product clamping mechanism and a conveyor, the conveyor is fixedly connected to the rack, and the finished product clamping mechanism is connected to the rack. The finished product clamping mechanism is used for clamping the grafted finished plant and placing it on the conveyor.

[0021] By adopting the above technical scheme, after the stock and the scion are grafted, the finished product clamping mechanism is started, the grafted finished plant is clamped by the finished product clamping mechanism, and then placed on the conveyor, so that automatic discharging of the finished plant can be realized.

[0022] In summary, the present application at least has the following beneficial technical effects:

[0023] 1. By arranging the stock treatment device and the scion treatment device on the rack respectively, when grafting the melon plants, the stock treatment device is used for punching the stock, the scion treatment device is used for obliquely cutting the scion, then the stock positioning device and the scion positioning device are started, the stock positioning device and the scion positioning device respectively move the stock and the scion to the grafting position for grafting treatment, so that automatic grafting of the stock and the scion is realized, and batch production of melon top grafting is realized, thereby improving the production efficiency of melon top grafting.

[0024] 2. By setting two groups of rootstock positioning mechanisms and two groups of scion positioning mechanisms, when the first group of rootstock positioning mechanisms and scion positioning mechanisms are used for grafting the rootstock and scion, the other group of rootstock positioning mechanisms and scion positioning mechanisms can simultaneously perform hole punching and beveling processing on the next group of rootstock and scion, realizing double-group rotation and alternating transfer grafting of the rootstock, significantly improving the batch grafting speed of the rootstock and scion, and improving the batch top grafting efficiency of melon plants;

[0025] 3. By setting an optical sensor on the flat pushing cylinder, the position of the rootstock seedling stem is detected by the optical sensor to ensure that the rootstock seedling stem is directly below the cutting needle; when the optical sensor does not detect the mispositioning of the seedling stem, the pressing cover plate moves under the action of the pressing cylinder and the flat pushing cylinder, so that the pressing cover plate lifts the rootstock on the clamp, and then the position of the rootstock can be adjusted, so that the rootstock moves to the lower side of the cutting needle, ensuring the accuracy of hole punching on the rootstock and reducing the possibility of waste. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0027] Figure 2 is a schematic diagram of the structure of the rootstock processing device in the embodiment of the present application;

[0028] Figure 3 is a schematic diagram of the structure of the rootstock positioning device in the embodiment of the present application;

[0029] Figure 4 is a schematic diagram of the structure of the rootstock jig in the embodiment of the present application;

[0030] Figure 5 is a schematic diagram of the structure of the rootstock transfer mechanism in the embodiment of the present application;

[0031] Figure 6 is a schematic diagram of the structure of the first clamping jaw in the embodiment of the present application;

[0032] Figure 7 is a schematic diagram of the structure of the rootstock positioning mechanism in the embodiment of the present application;

[0033] Figure 8 is a schematic diagram of the structure of the rootstock hole punching mechanism in the embodiment of the present application;

[0034] Figure 9 is a schematic diagram of the structure of the rotating assembly in the embodiment of the present application;

[0035] Figure 10 is a schematic diagram of the structure of the rootstock hole punching mechanism when the pressing cover plate clamps the rootstock in the embodiment of the present application;

[0036] Figure 11Fig. 1 is a structural schematic diagram of a scion loading jig in an embodiment of the present application;

[0037] Figure 12 Fig. 2 is a structural schematic diagram of a scion clamp in an embodiment of the present application;

[0038] Figure 13 Fig. 3 is a structural schematic diagram of a scion cutting mechanism in an embodiment of the present application;

[0039] Figure 14 Fig. 4 is a structural schematic diagram of a scion positioning device in an embodiment of the present application;

[0040] Figure 15 Fig. 5 is a structural schematic diagram of a power mechanism in an embodiment of the present application;

[0041] Figure 16 Fig. 6 is a structural schematic diagram of a scion positioning mechanism in an embodiment of the present application;

[0042] Figure 17 Fig. 7 is a structural schematic diagram of a finished product unloading device in an embodiment of the present application;

[0043] Figure 18 Fig. 8 is a structural schematic diagram of a finished product clamping mechanism in an embodiment of the present application.

[0044] 100, rack; 110, workbench; 200, stock handling device; 210, stock jig; 211, jig rack; 212, placing clamp; 213, clamp block; 214, adjusting rod; 220, stock transfer mechanism; 221, stock transfer rack; 222, first rodless cylinder; 223, first cylinder; 224, first pneumatic finger cylinder; 225, first clamping jaw; 226, transverse transfer cylinder; 230, stock punching mechanism; 231, connecting rack; 232, pressure covering cylinder; 233, lifting plate; 234, pressure covering plate; 235, cutting cylinder; 236, cutting needle; 237, flat pushing cylinder; 238, photoelectric sensor; 300, stock positioning device; 310, rotating member; 311, rotating cylinder; 320, support rack; 330, stock positioning mechanism; 340, stock clamp; 341, second pneumatic finger cylinder; 342, second clamping jaw; 343, adsorption hole; 350, rotating mechanism; 351, rotating rod; 352, first gear; 353, first rack; 354, third cylinder; 400, scion handling device; 410, scion feeding jig; 411, second rodless cylinder; 412, placing seat; 413, scion clamp; 414, fourth cylinder; 415, linkage block; 416, third clamping jaw; 420, scion cutting mechanism; 421, sixth cylinder; 422, cutter seat; 423, second linear module; 424, cutter rack; 425, bevel cutter; 426, collection box; 500, scion positioning device; 510, supporting seat; 520, supporting plate; 530, power mechanism; 531, supporting rod; 532, second gear; 533, second rack; 534, fifth cylinder; 540, scion positioning mechanism; 541, first linear module; 542, electric pushing cylinder; 543, positioning clamp; 544, fixed plate; 545, third pneumatic finger cylinder; 546, fourth clamping jaw; 600, finished product unloading device; 610, finished product clamping mechanism; 611, guide rail; 612, sliding block; 613, seventh cylinder; 614, unloading rack; 615, eighth cylinder; 616, unloading clamp; 617, fourth pneumatic finger cylinder; 618, fifth clamping jaw; 620, conveyor. DETAILED DESCRIPTION

[0045] The following will be described in detail below with reference to the accompanying Figures 1-18 The application is further described in detail.

[0046] The embodiment of the application discloses a melon top cutting grafting machine.

[0047] Reference Figure 1 and Figure 2The melon top grafting machine comprises a rack 100, a workbench 110 fixedly connected to the rack 100, and used for placing stock and scion by workers. The rack 100 is provided with a stock processing device 200 for moving and drilling the stock. The rack 100 is provided with a stock positioning device 300 for moving the drilled stock to a grafting position. The rack 100 is provided with a scion processing device 400 for moving and cutting the scion. The rack 100 is provided with a scion positioning device 500 for moving the cut scion to the grafting position and grafting on the stock. The rack 100 is provided with a finished product discharging device 600 for conveying and discharging the finished product. When the melon plants are grafted, two workers operate simultaneously. One worker places the stock on the stock processing device 200, and the other worker places the scion on the scion processing device 400. The stock is drilled by the stock processing device 200, and the scion is obliquely cut by the scion processing device 400. Then, the scion and the stock are grafted by the stock positioning mechanism 330 and the scion processing mechanism. After grafting, the finished product is conveyed and discharged by the finished product discharging device 600, so that the automatic grafting of the melon plants is realized.

[0048] With reference to Figure 3 and Figure 4 The stock processing device 200 comprises a stock jig 210, which comprises a jig frame 211 fixedly connected to the rack 100, the jig frame 211 being vertically arranged, and a placement clamp 212 mounted on the jig frame 211. The placement clamp 212 comprises two clamp blocks 213, one of which is fixedly connected to the jig frame 211, and the other of which is slidably connected to the jig frame 211 and moves towards or away from the other clamp block 213. An adjusting rod 214 is provided on the clamp block 213 slidably connected to the jig frame 211, and the adjusting rod 214 is inserted into the other clamp block 213 after penetrating through the clamp block 213. The adjusting rod 214 is rotationally connected to the clamp block 213 slidably connected to the jig frame 211, and is threadedly connected to the clamp block 213 fixedly connected to the jig frame 211. A spring is fixedly connected between the two jig frames 211, and is used to push the clamp block 213 slidably connected to the jig frame 211 to move away from the other clamp block 213.

[0049] With reference to Figure 4 , Figure 5 and Figure 6The rack 100 is provided with a stock wood moving mechanism 220. The stock wood moving mechanism 220 is used for clamping the stock wood on the stock wood jig 210 and moving to a punching position. The stock wood moving mechanism 220 comprises a stock wood moving frame 221 which is slidingly connected to the rack 100 and slides along the width direction of the rack 100. The rack 100 is fixedly connected with a first rodless cylinder 222. The stock wood moving frame 221 is fixedly connected with a sliding block of the first rodless cylinder 222. The first rodless cylinder 222 drives the stock wood moving frame 221 to move. The stock wood moving frame 221 is fixedly connected with a first cylinder 223. The piston rod of the first cylinder 223 is fixedly connected with a first pneumatic finger cylinder 224. Two clamping jaws 225 are fixedly connected to two clamping jaws of the first pneumatic finger cylinder 224. The two clamping jaws 225 are used for clamping the stock wood on the stock wood jig 210. The staff member takes the stock wood, inserts the stock wood between the two clamping blocks 213, and then rotates the adjusting rod 214 to clamp the stock wood by the two clamping blocks 213. The stock wood is placed on the stock wood jig 210. Then the first rodless cylinder 222 is used to move the two clamping jaws 225 to the position of the stock wood jig 210. The first cylinder 223 is used to drive the two clamping jaws 225 to clamp and take the stock wood, and then the stock wood is transported to the punching position. When the staff member places the next stock wood, the adjusting rod 214 is loosened, so that the two clamping blocks 213 are opened by a certain distance under the pushing of the spring, thereby facilitating the placement of the next stock wood on the stock wood jig 210.

[0050] With reference to Figure 2 , Figure 5 and Figure 6 , the stock wood moving frame 221 is fixedly connected with a horizontal moving cylinder 226. The cylinder body of the horizontal moving cylinder 226 is fixedly connected to the stock wood moving frame 221. The piston rod of the horizontal moving cylinder 226 is fixedly connected with the sliding block of the first rodless cylinder 222. The horizontal moving cylinder 226 is used to increase the sliding distance of the stock wood moving frame 221 while reducing the space occupation of the rack 100.

[0051] With reference to Figure 3 , Figure 7 and Figure 8 , the rack 100 is provided with a stock wood punching mechanism 230. The stock wood punching mechanism 230 comprises a connecting frame 231 which is fixedly connected to the rack 100. The connecting frame 231 is fixedly connected with a pressing cylinder 232. The piston rod of the pressing cylinder 232 is vertically arranged. The piston rod of the pressing cylinder 232 is fixedly connected with a lifting plate 233. The lifting plate 233 is provided with a pressing plate 234 which is horizontally arranged. The lifting plate 233 is fixedly connected with a cutting cylinder 235 which is vertically arranged. The piston rod of the cutting cylinder 235 is fixedly connected with a cutting needle 236 which is vertically arranged. The cutting needle 236 is used for cutting and punching the stock wood.

[0052] With reference to Figure 2 , Figure 7 and Figure 9 , the stock positioning device 300 comprises a rotating member 310 mounted on the rack 100, which in this embodiment is a rotary cylinder 311, the cylinder body of which is fixedly connected to the rack 100, and a support frame 320 is fixedly connected to the rotating table of the rotary cylinder 311, and two groups of stock positioning mechanisms 330 are mounted on the support frame 320, which are located at opposite sides of the support frame 320 respectively, and the two groups of stock positioning mechanisms 330 alternately clamp and position the stocks on the stock transfer mechanism 220.

[0053] Each group of stock positioning mechanisms 330 comprises a stock clamp 340, which comprises a second pneumatic finger cylinder 341, and two second clamping jaws 342 are fixedly connected to the two gas claws of the second pneumatic finger cylinder 341, which are used to clamp the stocks clamped by the two first clamping jaws 225. A plurality of adsorption holes 343 are formed on each second clamping jaw 342, and a vacuum generator is fixedly connected to the support frame 320, and each adsorption hole 343 is communicated with the vacuum generator through a communication pipe. After the two clamping jaws clamp the stocks, the stocks are moved to the punching position, then the first pneumatic finger cylinder 224 controls the two second clamping jaws 342 to clamp the stocks, and then the pressing cylinder 232 is started, so that the pressing plate 234 on the pressing cylinder 232 presses the leaves of the stocks, and at the same time the vacuum generator is started to adsorb the leaves, then the cutting cylinder 235 is started, the cutting needle 236 is driven to move downward, and the stocks are punched by the cutting needle 236, after punching, the cutting cylinder 235 is retracted, the pressing cylinder 232 is retracted, and the negative pressure is maintained, so that the punching of the stocks is completed, then the rotating table of the rotary cylinder 311 is rotated, so that the stocks after punching are moved to the grafting position.

[0054] With reference to Figure 8 , Figure 9 and Figure 10In order to ensure the accuracy of the hole punching treatment of the stock and reduce the amount of waste stock, the bottom of the lifting plate 233 is fixedly connected with a horizontal push cylinder 237, the pressing cover plate 234 is fixedly connected to the piston rod of the horizontal push cylinder 237, and the middle part of the pressing cover plate 234 is provided with a displacement slot for the stock stem and the cutting needle 236 to pass through. The bottom of the horizontal push cylinder 237 is fixedly connected with a photoelectric sensor 238, which is used to detect the position of the stock clamped by the stock clamp 340, so as to ensure that the stock stem is located directly below the cutting needle 236. During the hole punching process of the stock, when the photoelectric sensor 238 detects that the stock stem is misaligned and not directly below the cutting needle 236, the pressing cover plate 234 moves under the action of the pressing cylinder 232 and the horizontal push cylinder 237, so that the pressing cover plate 234 removes the stock clamped by the stock clamp 340, and then the position of the stock can be adjusted, so that the stock moves to the lower side of the cutting needle 236, ensuring the accuracy of the hole punching of the stock and reducing the possibility of waste.

[0055] With reference to Figure 7 and Figure 9 Two sets of rotating mechanisms 350 are installed on the support frame 320, and the two sets of rotating mechanisms 350 are arranged in one-to-one correspondence with the two second pneumatic finger cylinders 341. The rotating mechanism 350 is used to drive the second pneumatic finger cylinder 341 to rotate to incline the second clamping jaw 342 by a certain angle.

[0056] The rotating mechanism 350 includes a rotating rod 351 rotatably connected to the support frame 320. The rotating rod 351 is horizontally arranged and rotates along its axis. The rotating rod 351 is fixedly connected with a support plate, and the second pneumatic finger cylinder 341 is fixedly connected to the support plate. A first rack 353 is slidably connected to the support frame 320, and the length direction of the first rack 353 is parallel to the axis of the rotating rod 351. A first gear 352 is fixedly connected coaxially to the rotating rod 351, and the first rack 353 is in meshing connection with the first gear 352. A third cylinder 354 is fixedly connected to the support frame 320, and the piston rod of the third cylinder 354 is fixedly connected with the first rack 353 to drive the first rack 353 to slide. After the hole punching treatment of the stock is completed, the third cylinder 354 is started, and the first rack 353 is driven to move by the third cylinder 354, so as to drive the first gear 352 to rotate, thereby driving the second pneumatic finger cylinder 341 to rotate, so that the stock clamped by the two second clamping jaws 342 is inclined by a certain angle, thereby facilitating the fitting with the inclined mouth of the scion and improving the survival rate after the scion and the stock are grafted.

[0057] With reference to Figure 2 , Figure 11 and Figure 12The scion processing device 400 comprises a scion loading jig 410, the scion loading jig 410 comprises a second rodless air cylinder 411 fixedly connected to the rack 100, a placing seat 412 is fixedly connected to the sliding block of the second rodless air cylinder 411, and a scion clamp 413 is installed on the placing seat 412, and the scion clamp 413 is used for clamping the scion.

[0058] The scion clamp 413 comprises a fourth air cylinder 414 fixedly connected to the placing seat 412, a linkage block 415 is fixedly connected to the piston rod of the fourth air cylinder 414, two third clamping jaws 416 are hinged to the linkage block 415, the two third clamping jaws 416 are arranged in parallel with the hinge axis of the linkage block 415, and each third clamping jaw 416 is hinged to the placing seat 412 through a hinge rod. Under the pushing of the fourth air cylinder 414, the third clamping jaw 416 can rotate along the hinge rod connected thereto to clamp the scion.

[0059] Referring to Figure 2 , Figure 13 and Figure 14 , the scion positioning device 500 comprises a supporting seat 510 fixedly connected to the rack 100, a supporting plate 520 is rotatably connected to the supporting seat 510, the supporting plate 520 is vertically arranged, the rotation axis of the supporting plate 520 is parallel to the rotation axis of the support frame 320, and a power mechanism 530 is installed on the rack 100, and the power mechanism 530 is used to drive the supporting plate 520 to rotate.

[0060] Referring to Figure 13 , Figure 14 and Figure 15 , two groups of scion positioning mechanisms 540 are installed on the supporting plate 520, the two groups of scion positioning mechanisms 540 are respectively located at positions close to opposite sides of the supporting plate 520, the two groups of scion positioning mechanisms 540 are arranged in one-to-one correspondence with the two groups of stock positioning mechanisms 330, and the scion positioning mechanism 540 cooperates with the corresponding stock positioning mechanism 330 to realize grafting of the scion and the stock.

[0061] Each group of scion positioning mechanisms 540 comprises a first linear module 541 fixedly connected to the supporting plate 520, the first linear module 541 is horizontally arranged, an electric push cylinder 542 is fixedly connected to the sliding block of the first linear module 541, the cylinder body of the electric push cylinder 542 is fixedly connected to the sliding block of the first linear module 541, and the first linear module 541 is used to drive the electric push cylinder 542 to slide in the horizontal direction. The electric push cylinder 542 is vertically arranged, a positioning clamp 543 is installed on the piston rod of the electric push cylinder 542, and the positioning clamp 543 is used to clamp the scion on the scion clamp 413. A scion cutting mechanism 420 is installed on the rack 100, the positioning clamp 543 clamps the scion, and then the scion cutting mechanism 420 can be moved, and the scion cutting mechanism 420 is used for oblique cutting of the scion.

[0062] With reference to Figure 15 and Figure 16 , the positioning clamp 543 comprises a fixed plate 544 fixedly connected to the piston rod of the electric push cylinder 542, the fixed plate 544 is vertically arranged, and the fixed plate 544 is fixedly connected with a third pneumatic finger cylinder 545, two clamping jaws 546 are fixedly connected to the two claws of the third pneumatic finger cylinder 545, and a gap slot is arranged on the two third clamping jaws 416 for the fourth clamping jaw 546 to pass through. After the staff member grasps the scion, the scion is placed between the two third clamping jaws 416, and then the fourth cylinder 414 is started, so that the two third clamping jaws 416 are driven to rotate, so that the two third clamping jaws 416 clamp the scion, and then the second rodless cylinder 411 drives the scion to move to the inside of the rack 100, and then the first linear module 541 and the push cylinder control the positioning clamp 543 to move, so that the positioning clamp 543 moves to the scion stopping position, and then the third pneumatic finger cylinder 545 drives the two fourth clamping jaws 546 to clamp the scion, and then moves to the position of the scion cutting mechanism 420, so that the scion cutting mechanism 420 can perform oblique cutting on the scion.

[0063] With reference to Figure 13 , Figure 14 and Figure 15 , the power mechanism 530 comprises a supporting rod 531 rotatably connected to the supporting seat 510, the supporting rod 531 is vertically arranged, the supporting plate 520 is fixedly connected to the top end of the supporting rod 531, and the supporting rod 531 rotates along the axis thereof. The second gear 532 is coaxially fixedly connected to the supporting rod 531, the second rack 533 is slidably connected to the rack 100, the second rack 533 slides along the width direction of the rack 100, and the second rack 533 is in meshing connection with the second gear 532. The fifth cylinder 534 is fixedly connected to the rack 100, a connecting block is fixedly connected to the piston rod of the fifth cylinder 534, the connecting block is fixedly connected with the second rack 533, and the fifth cylinder 534 is used for driving the second rack 533 to slide. After the scion cutting mechanism 420 cuts the scion, the fifth cylinder 534 is started, the second rack 533 is driven to slide by the fifth cylinder 534, the second gear 532 is driven to rotate, the supporting plate 520 is driven to rotate, the scion after oblique cutting is rotated to the grafting position and located above the stock, and then the electric push cylinder 542 drives the scion to move downward, so that the scion is inserted into the stock, and the grafting of the scion and the stock is realized. At the same time, the arrangement of the two groups of stock positioning mechanisms 330 and the two groups of scion positioning mechanisms 540 realizes the rotation and alternate loading grafting of the two groups of stocks, when one group of stocks and scions is in grafting, the other group is simultaneously prepared for grafting, which significantly improves the batch grafting speed of the stocks and scions.

[0064] With reference to Figure 2 and Figure 16The scion cutting mechanism 420 comprises a sixth cylinder 421 fixedly connected to the rack 100, a cutter seat 422 fixedly connected to the piston rod of the sixth cylinder 421, the cutter seat 422 is arranged, a second linear module 423 fixedly connected to the cutter seat 422, a cutter frame 424 fixedly connected to the sliding block of the second linear module 423, and an oblique cutter 425 fixedly connected to the cutter frame 424. After the scion is moved to the oblique cutting position, the sixth cylinder 421 is started, the sixth cylinder 421 drives the oblique cutter 425 to move to a position close to the scion, and then the second linear module 423 drives the oblique cutter 425 to slide obliquely, so that the oblique cutting of the scion is realized.

[0065] With reference to Figure 16 , the rack 100 is fixedly connected with a collection box 426, the collection box 426 is open at the upper end, and a material blocking plate is fixedly connected to one side of the collection box 426. The scion cutting part cut by the oblique cutter 425 can fall into the collection box 426 under the blockage of the material blocking plate, so that the scion cutting part is collected.

[0066] With reference to Figure 3 , Figure 17 and Figure 18 , the finished product discharging device 600 comprises a finished product clamping mechanism 610, the finished product clamping mechanism 610 comprises a guide rail 611 fixedly connected to the rack 100, the guide rail 611 is horizontally arranged, a sliding block 612 is slidingly connected to the guide rail 611 and slides along the length direction of the guide rail 611. A seventh cylinder 613 is fixedly connected to the rack 100, the piston rod of the seventh cylinder 613 is fixedly connected to the sliding block 612, and the seventh cylinder 613 is used for driving the sliding block 612 to move.

[0067] The sliding block 612 is fixedly connected with a discharging frame 614, the discharging frame 614 is fixedly connected with an eighth cylinder 615, the piston rod of the eighth cylinder 615 slides along the width direction of the rack 100, the piston rod of the eighth cylinder 615 is installed with a discharging clamp 616, the discharging clamp 616 comprises a connecting plate fixedly connected to the piston rod of the eighth cylinder 615, the connecting plate is fixedly connected with a fourth pneumatic finger cylinder 617, two fifth clamping jaws 618 are fixedly connected to the two gas claws of the fourth pneumatic finger cylinder 617, and the two fifth clamping jaws 618 are used for clamping the grafted plant. A conveyor 620 is installed on the rack 100, and the conveyor 620 is used for conveying and discharging the finished product plant clamped by the discharging frame 614. After the grafting of the stock and the scion is completed, the discharging frame 614 is driven to move to the plant grafting completion position by the seventh cylinder 613, the fourth pneumatic finger cylinder 617 is started to drive the two fifth clamping jaws 618 to clamp the grafted plant, and then the grafted plant is placed on the conveyor 620, so that the discharging of the grafted product is completed.

[0068] The implementation principle of the melon top grafting machine embodiment of the present application is as follows: when the melon plants are top grafted, two workers are respectively located at the stock feeding position and the scion feeding position. The worker at the stock feeding position places the stocks on the stock jig 210 in turn, the stocks are moved to the stock punching position under the clamping of the stock moving mechanism 220, then the stock clamp 340 is taken, the pressing cover cylinder 232 is started, the pressing cover plate 234 on the pressing cover cylinder 232 is used to press the stock blade, then the cutting cylinder 235 is started, the cutting cylinder 235 drives the cutting needle 236 to move downward to punch the stock, and after the punching is completed, the stock is moved to the grafting position; at the same time, the other worker places the scion on the scion jig, then moves to the bevel cutting position to bevel cut the scion, after the scion bevel cutting is completed, the beveled scion is moved to the grafting position by the scion positioning mechanism 540 to realize the grafting of the stock and the scion, after the grafting is completed, the finished product plant after grafting is clamped by the grafting clamping mechanism, then on the conveyor 620, the finished product plant can be unloaded, realizing the automatic grafting production of melon plants.

[0069] At the same time, the use of two groups of stock positioning mechanisms 330 and two groups of scion positioning mechanisms 540 enables the stock positioning mechanism 330 and the scion positioning mechanism 540 of the previous group to graft the stock and the scion, and the other group of stock positioning mechanisms 330 and scion positioning mechanisms 540 can simultaneously punch and bevel cut the next group of stock and scion, realizing the double-group rotation and alternative moving and grafting of the stock, significantly improving the batch grafting speed of the stock and the scion, and improving the batch top grafting efficiency of the melon plants.

[0070] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A top-grafting machine for melons, characterized in that: The device includes a frame (100), a rootstock processing device (200), a rootstock positioning device (300), a scion processing device (400), and a scion positioning device (500). The rootstock processing device (200) is connected to the frame (100) and is used to punch holes in the rootstock. The rootstock positioning device (300) is connected to the frame (100) and is used to move the punched rootstock clip (340) to the grafting position. The scion processing device (400) is connected to the frame (100) and is used to make oblique cuts on the scion. The scion positioning device (500) is connected to the frame (100) and is used to move the scion clip (413) to the grafting position. The rootstock positioning device (300) includes a support frame (320), a rotating component (310), and two sets of rootstock positioning mechanisms (330). The support frame (320) is rotatably connected to the frame (100), and the rotating component (310) is connected to the frame (100). The rotating component (310) is connected to the support frame (320) to drive the support frame (320) to rotate. Both sets of rootstock positioning mechanisms (330) are connected to the support frame (320). The scion positioning device (500) includes a support plate (520), a power mechanism (530), and two sets of scion positioning mechanisms (540). The support plate (520) rotates... The mechanism is connected to the frame (100), the power mechanism (530) is connected to the support plate (520) to drive the support plate (520) to rotate, and the two sets of scion adjustment mechanisms (540) are connected to the support plate (520). The two sets of rootstock adjustment mechanisms (330) and the two sets of scion adjustment mechanisms (540) are set one-to-one. When one set of rootstock adjustment mechanisms (330) and scion adjustment mechanisms (540) grafts the rootstock and scion, the other set of rootstock adjustment mechanisms (330) punches a hole in the next rootstock, and the other set of scion adjustment mechanisms (540) cuts the next scion at an angle. Each set of the rootstock positioning mechanism (330) includes a rotating mechanism (350) and a rootstock clamp (340) for clamping the rootstock. The rootstock clamp (340) is rotatably connected to the support frame (320). The rotating mechanism (350) is connected to the support frame (320). The rotating mechanism (350) is connected to the rootstock clamp (340) to drive the rootstock clamp (340) to rotate. The rotating mechanism (350) includes a rotating rod (351), a first gear (352), a first rack (353), and a third cylinder (354). The rotating rod (351) is rotatably connected to the support frame (320), and the anvil clamp (340) is fixedly connected to the rotating rod (351). The first gear (352) is coaxially fixedly connected to the rotating rod (351). The first rack (353) is slidably connected to the frame (100). The third cylinder (354) is fixedly connected to the frame (100). The third cylinder (354) is connected to the first rack (353) to drive the first rack (353) to slide. The first rack (353) is meshed with the first gear (352).

2. The cucurbit grafting machine according to claim 1, characterized in that: The rootstock processing device (200) includes a rootstock fixture (210), a rootstock transfer mechanism (220), and a rootstock drilling mechanism (230). The rootstock fixture (210) is connected to the frame (100) and is used to initially support the rootstock. The rootstock transfer mechanism (220) is used to transfer the rootstock from the rootstock fixture (210) to the rootstock drilling position. The rootstock drilling mechanism (230) includes a pressing cylinder (232), a pressing plate (234), and a cutting insertion cylinder (235). 5) and cutting needle (236), the pressing cylinder (232) is fixedly connected to the frame (100), the pressing plate (234) is connected to the piston rod of the pressing cylinder (232), the pressing plate (234) is used to press the leaves on the rootstock, the cutting cylinder (235) is fixedly connected to the piston rod of the pressing cylinder (232), the cutting needle (236) is fixedly connected to the piston rod of the cutting cylinder (235), and the cutting needle (236) is used to drill holes in the rootstock.

3. The cucurbit grafting machine according to claim 2, characterized in that: A flat-push cylinder (237) is fixedly connected to the piston rod of the pressing cylinder (232). The pressing plate (234) is fixedly connected to the piston rod of the flat-push cylinder (237). A clearance groove is provided on the pressing plate (234) for the rootstock seedling stem to pass through. The clearance groove is opened along the length direction of the flat-push cylinder (237). A photoelectric sensor (238) is provided at the bottom of the flat-push cylinder (237). The photoelectric sensor (238) is used to detect the position of the rootstock seedling stem on the rootstock clamp (340).

4. The cucurbit grafting machine according to claim 1, characterized in that: The anvil clamp (340) includes a second pneumatic finger cylinder (341) and two second grippers (342). The second pneumatic finger cylinder (341) is fixedly connected to the rotating rod (351). The two second grippers (342) are arranged one-to-one with the two grippers of the second pneumatic finger cylinder (341). The second grippers (342) are fixedly connected to the grippers of the corresponding second pneumatic finger cylinder (341). Each second gripper (342) has multiple adsorption holes (343). The support frame (320) is equipped with a vacuum generator. The multiple adsorption holes (343) are connected to the vacuum generator. The adsorption holes (343) are driven by the vacuum generator to draw in air under negative pressure.

5. A cucurbit grafting machine according to claim 1, characterized in that: The frame (100) is provided with a finished product unloading device (600), which includes a finished product clamping mechanism (610) and a conveyor (620). The conveyor (620) is fixedly connected to the frame (100), and the finished product clamping mechanism (610) is connected to the frame (100). The finished product clamping mechanism (610) is used to clamp the grafted finished plants and place them on the conveyor (620).

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