Automatic rock wool block filling device

Abstract

The present invention relates to the technical field of seedling raising devices, and provides an automatic rock wool block filling device. The automatic filling device comprises a supporting mechanism, a feeding mechanism, an orientation adjusting mechanism, a pressing mechanism, and a seedling raising tray moving mechanism. Rock wool blocks can be conveyed into the orientation adjusting mechanism by means of the feeding mechanism; by means of the orientation adjusting mechanism, the rock wool blocks can all fall onto a seedling raising tray in a normal state in which a concave arcuate surface faces upwards and a flat surface faces downwards; the rock wool block falling onto the seedling raising tray can be pressed into a hole to be filled by means of the pressing mechanism, and the hole to be filled on the seedling raising tray can be moved to a target position by means of the seedling raising tray moving mechanism, thereby completing the conveying, orientation adjusting and pressing operations of the rock wool blocks. By means of the filling device, the whole filling process of rock wool blocks is fully automated and convenient to control, the filling operation of the rock wool blocks can be completed efficiently, accurately and non-destructively, and the filling efficiency is high.

Description

Automatic filling device for rock wool block TECHNICAL FIELD

[0001] The present application relates to the technical field of seedling raising equipment, in particular to an automatic filling device for rock wool block. BACKGROUND

[0002] Factory seedling raising can significantly improve seedling quality and survival rate, shorten seedling raising cycle, save resources and protect the environment, and at the same time realize production efficiency and standardization, which brings significant economic benefits and production efficiency to modern agriculture.

[0003] Rock wool block, as a new type of seedling raising substrate, is formed by melting natural rock at high temperature, has good air permeability and water retention, and can provide a good growing environment for seedlings. Before factory seedling raising, rock wool blocks need to be filled into foam seedling trays. However, the rock wool block is in the shape of a cylinder and the two ends are not the same (one end is a flat surface and the other end is a concave arc surface). In the filling process, the concave arc surface end needs to be upward, that is, the rock wool block is in the normal state, which can facilitate later seeding. However, this operation process is labor-intensive and low in efficiency, and the irritability of its fine fibers and the potential of its chemical composition can easily stimulate skin cells and cause allergic reactions. SUMMARY

[0004] In order to solve the problems in the prior art, the present application provides an automatic filling device for rock wool block, which can automatically fill the rock wool block and control the filling process efficiently, accurately and non-destructively, and has high filling efficiency.

[0005] In order to achieve the above-mentioned purpose, the specific scheme adopted by the present application is as follows:

[0006] An automatic filling device for rock wool block, the rock wool block is in the shape of a cylinder, one end is a concave arc surface, and the other end is a flat surface, comprising:

[0007] a controller;

[0008] a supporting mechanism for supporting;

[0009] a feeding mechanism arranged at the left end of the supporting mechanism, comprising a push plate type feeding assembly electrically connected with the controller and a first belt conveyor arranged at the rear side of the push plate type feeding assembly and electrically connected with the controller, the rock wool block is conveyed to the first belt conveyor by the push plate type feeding assembly, and then conveyed to the next mechanism by the first belt conveyor;

[0010] The orientation adjusting mechanism is arranged on the supporting mechanism and located at the right side of the first belt conveyor, and is used for adjusting the orientation of the rock wool blocks, so that the rock wool blocks are all in the normal state of "concave arc upward and plane downward" and fall from the orientation adjusting mechanism to the seedling tray, and the orientation adjusting mechanism comprises a fixed support fixed on the supporting mechanism, a orientation adjusting motor electrically connected with the controller is arranged on the upper part of the fixed support, and a second belt conveyor electrically connected with the controller is arranged on the lower part of the fixed support, a gap only allowing a rock wool block in a vertical state to pass through is arranged between the right end of the conveying belt of the second belt conveyor and the right end of the fixed support, a disc is connected to the output shaft of the orientation adjusting motor and passes through the fixed support, two orientation adjusting pipes which are symmetrically centered on the center of the disc are arranged on the disc, the included angle between the feeding port and the discharging port of the orientation adjusting pipe is obtuse, a stop column inclined to the feeding port is arranged at the corner of the orientation adjusting pipe, the rock wool block falling into the pipe in the normal state from the feeding port of the orientation adjusting pipe can directly fall out of the discharging port along the pipe and fall onto the second belt conveyor, and the rock wool block falling into the pipe in the reverse state is blocked by the stop column and can only fall out of the discharging port along the original path and fall onto the second belt conveyor when the feeding port of the orientation adjusting pipe rotates to the lower part, and under the action of the second belt conveyor, the rock wool block falls from the gap to the seedling tray.

[0011] The pressing mechanism is arranged at the right end of the fixed support and comprises a vertical plate arranged on the fixed support, a pressing motor electrically connected with the controller is fixed on the vertical plate through a motor fixing seat, a pressing gear is connected to the output shaft of the pressing motor, a slide rail is arranged on the vertical plate, a pressing rack meshing with the pressing gear is arranged on the slide rail, a pressing rod opposite to the gap is fixed to the lower end of the pressing rack, the pressing rod can be driven to move up and down by the pressing motor, and then the rock wool block can be pressed to the target position.

[0012] The seedling tray moving mechanism is arranged at the right end of the supporting mechanism and is used for supporting and moving the seedling tray, and comprises a longitudinal driving assembly electrically connected with the controller and a transverse driving assembly electrically connected with the controller and arranged on the longitudinal driving assembly, and the to-be-filled hole on the seedling tray can be moved to the position directly below the gap by the transverse driving assembly and the longitudinal driving assembly.

[0013] The visual identification system is arranged on the feeding mechanism and the orientation adjusting mechanism, respectively, and through the cooperation of the controller and the visual identification system, the rock wool block on the first belt conveyor can just fall into the orientation adjusting pipe, and the rock wool block falling from the second belt conveyor can just fall into the target position of the seedling tray.

[0014] Further, the push plate type feeding assembly comprises a support frame and a storage box which are arranged on the left end of the support mechanism and are in communication with each other, the rear side of the storage box is connected with a first belt conveyor through a bearing plate, the storage box comprises two opposite vertical plates, a fixed bottom plate which is vertically arranged at the front section of the two vertical plates and a stepped bottom plate which is vertically arranged at the rear section of the two vertical plates, the stepped bottom plate comprises a plurality of fixed plates and a plurality of push-pull plates which are arranged between the two vertical plates and are arranged in a stepped manner, the thickness of the fixed plates and the push-pull plates is equal to the diameter of the rock wool block, a plurality of fixed plates are fixedly connected between the two vertical plates, the lower end of a plurality of push-pull plates is fixedly connected with a vertically extending feeding rack through a connecting piece; a feeding motor is arranged in the support frame, a feeding gear is connected to the output shaft of the feeding motor, the feeding gear is engaged with the feeding rack, under the action of the feeding motor, the plurality of push-pull plates are synchronously lifted relative to the fixed plates, driving the rock wool blocks arranged on the fixed bottom plate to be lifted in a stepped manner to the highest position of the stepped bottom plate, and then the rock wool blocks are rolled to the first belt conveyor.

[0015] Further, the two limiting baffle plates are connected with a connecting rod, and the connecting rod and the limiting baffle plates enclose a space for the rock wool block in a horizontal state to pass through.

[0016] Further, the right end of the first belt conveyor is provided with a concave slide which is inclined and has a left end higher than a right end, the left end of the concave slide is connected with the limiting baffle plate, and the right end is flush with the bottom of the feeding port of the direction adjusting pipe.

[0017] Further, one end of the abutting column extending into the direction adjusting pipe is a convex arc surface.

[0018] Further, the direction adjusting pipe is fixed to the disc through a fixing block, the fixing block is provided with a clamping groove for mounting the abutting column, and the length of the abutting column is adjustable.

[0019] Further, two fixed track baffle plates for limiting the movement track of the rock wool block are arranged below the direction adjusting pipe on the fixed support, and the two fixed track baffle plates are arranged on the two sides of the conveying belt of the second belt conveyor along the length direction.

[0020] Further, the lower end of the pressing rod is a convex arc surface matched with the concave arc surface of the rock wool block.

[0021] Further, the pressing rod and the abutting column are made of rubber material.

[0022] Further, the transverse driving assembly and the longitudinal driving assembly are both motor lead screw modules.

[0023] Beneficial effects:

[0024] (1), The automatic filling device in the application can realize the automatic and precise filling of rock wool blocks in the factory seedling process, compared with the traditional manual filling method, not only can improve the production efficiency, reduce the labor intensity and production cost, but also can improve the filling accuracy, reduce the human error, and promote the environmental protection and sustainable development.

[0025] (2), The automatic filling device in the application can realize the non-destructive filling of rock wool blocks, by adopting the ingenious direction adjusting structure and pressing mechanism, the rock wool blocks can be accurately placed to the specified position in the filling process, and the extrusion or collision caused by position deviation is avoided.

[0026] (3), The automatic filling device of the application is driven by motor, the device can effectively and stably work, and has compact structure, simple operation and easy maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 is a front view of the filling device in the application.

[0028] Fig. 2 is an axonometric view of the filling device in the application.

[0029] Fig. 3 is a right view of the filling device in the application.

[0030] Fig. 4 is a sectional view of the direction adjusting pipe in the application.

[0031] Fig. 5 is a schematic view of the second belt conveyor and the pressing mechanism.

[0032] Illustrated mark: 1, support mechanism, 101, first support frame, 102, second support frame, 2, support frame, 3, feeding motor, 4, feeding gear, 5, feeding rack, 6, connecting piece, 7, storage box, 701, fixed bottom plate, 702, vertical plate, 703, fixed plate, 704, push-pull plate, 8, first belt conveyor, 9, connecting rod, 10, limiting baffle, 11, concave slide, 12, disc, 13, direction adjusting pipe, 14, second belt conveyor, 15, fixed support, 16, slide rail, 17, pressing gear, 18, pressing rack, 19, pressing motor, 20, pressing rod, 21, seedling tray, 22, second lead screw, 23, horizontal moving motor, 24, second bottom plate, 25, second support part, 26, first bottom plate, 27, first support part, 28, fixed rail baffle, 29, fixed block, 30, first lead screw, 31, direction adjusting motor, 32, vertical moving motor, 33, abutment column, 34, gap. DETAILED DESCRIPTION

[0033] The technical solutions of the present application will be described clearly and completely below in connection with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0034] In the description of the present application, it should be understood that the terms "upper", "lower", and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.

[0035] It should be noted that the relational terms such as "first" and "second" and the like are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0036] It should be noted that the rock wool block is a whole cylinder, one end of which is a plane and the other end is a concave arc surface. For the sake of description, the state of the rock wool block with the concave arc surface upward and the plane downward is referred to as "forward state" (also because it is consistent with the final state of the rock wool block in the seedling tray 21), and the state of the concave arc surface downward and the plane upward is referred to as "reverse state". The rock wool block in the vertical state means that its axis is vertically extended, and the forward state or the reverse state is the two forms of the rock wool block in the vertical state. The rock wool block in the horizontal state means that its axis is horizontally extended, i.e. the state of the rock wool block lying flat.

[0037] The application provides a rock wool block automatic filling device suitable for factory seedling raising, referring to figures 1-5, the device comprises a supporting mechanism 1, a feeding mechanism, a direction adjusting mechanism, a pressing mechanism and a seedling tray moving mechanism. The feeding mechanism, the direction adjusting mechanism, the pressing mechanism and the seedling tray moving mechanism are all fixed on the supporting mechanism 1, the rock wool block can be transported to the direction adjusting mechanism through the feeding mechanism, the rock wool block can be dropped on the seedling tray 21 in the normal state of "concave arc surface upward, plane downward" through the direction adjusting mechanism, the rock wool block dropped on the seedling tray 21 can be pressed into the filling hole through the pressing mechanism, the filling hole on the seedling tray 21 can be moved to the target position through the seedling tray moving mechanism, thereby completing the transportation, direction adjusting and pressing operation of the rock wool block. The various mechanisms are described in detail below.

[0038] <Supporting mechanism 1>

[0039] The supporting mechanism 1 comprises a first supporting frame 101 and a second supporting frame 102 arranged on the right side of the first supporting frame 101, wherein the first supporting frame 101 is sequentially provided with the feeding mechanism, the direction adjusting mechanism and the pressing mechanism from left to right, the second supporting frame 102 is provided with the seedling tray moving mechanism, and the height of the second supporting frame 102 is lower than that of the first supporting frame 101, so as to facilitate the pressing operation of the pressing mechanism.

[0040] <Feeding mechanism>

[0041] The feeding mechanism comprises a push plate type feeding assembly arranged at the left end of the first supporting frame 101 and a first belt conveyor 8 located at the rear side of the push plate type feeding assembly, the rock wool block is transported to the first belt conveyor 8 through the push plate type feeding assembly, and then transported to the direction adjusting mechanism through the first belt conveyor 8.

[0042] The push-plate feeding assembly includes a support frame 2 and a storage box 7 mounted on a first support frame 101 and interconnected vertically. A first belt conveyor 8 is connected to the rear side of the storage box 7 via a bearing plate. The storage box 7 includes two opposing vertical plates 702, a fixed base plate 701 perpendicularly positioned at the front of the two vertical plates 702, and a stepped base plate perpendicularly positioned at the rear of the two vertical plates 702. The stepped base plate includes several fixed plates 703 and push-pull plates 704 staggered between the two vertical plates 702 and arranged in a stepped manner. The thickness of the fixed plates 703 and push-pull plates 704 is equal to the diameter of the rock wool block. The fixed plate 703 is fixedly connected between the two upright plates 702. The lower ends of several push-pull plates 704 are fixed with vertically extending feeding racks 5 through connectors 6. The support frame 2 is equipped with a feeding motor 3, which is fixed on the first support frame 101. The output shaft of the feeding motor 3 is connected to a feeding gear 4, which meshes with the feeding rack 5. Under the action of the feeding motor 3, several push-pull plates 704 move synchronously up and down relative to the fixed plate 703, driving the rock wool blocks placed on the fixed base plate 701 to rise in a stepped manner to the highest position of the stepped base plate, and then roll down onto the first belt conveyor 8.

[0043] Please refer to Figure 2. There are three fixed plates 703 and three push-pull plates 704. The three fixed plates 703 and three push-pull plates 704 are arranged alternately. The lower end of the stepped base plate is the push-pull plate 704, and the higher end is the fixed plate 703.

[0044] An L-shaped support plate is fixed on the rear wall of the storage box 7. The first belt conveyor 8 is located in the space enclosed by the vertical section of the support plate and the storage box 7. The first belt conveyor 8 includes two rollers rotatably mounted at both ends of the vertical section of the support plate. A conveyor belt is fitted between the two rollers. A conveyor motor is installed on the vertical section. The output shaft of the conveyor motor passes through the vertical section and is connected to one of the rollers. The conveyor belt rotates when the conveyor motor provides power.

[0045] Preferably, the first belt conveyor 8 has limiting baffles 10 on both sides of the conveyor belt along its length to restrict the movement path of the rock wool blocks and prevent them from falling. One limiting baffle 10 is fixed to the back of the storage box 7, and the other limiting baffle 10 is fixed to the vertical section of the bearing plate. A connecting rod 9 is fixed above the middle of the two limiting baffles 10 to make the rock wool blocks pass through lying flat. The right end of the first belt conveyor 8 has a concave slide 11 with a higher left end and a lower right end. The left end of the concave slide 11 is connected to the limiting baffle 10, and the right end is directly opposite the adjusting pipe 13.

[0046] <Redirection Agency>

[0047] Please refer to FIG. 1 to FIG. 4, the orientation adjusting mechanism is used for adjusting the orientation of the rock wool block, so that the rock wool block is all dropped out of the self-adjusting pipe 13 in a positive state of "concave arc surface upward and plane downward" and falls on the second belt conveyor 14. The orientation adjusting mechanism comprises a fixed support 15, a disc 12, a self-adjusting pipe 13, a stop post 33, an orientation adjusting motor 31 and the second belt conveyor 14. The fixed support 15 is fixed on the first support frame 101, the orientation adjusting motor 31 is fixed on the fixed support 15, the output shaft of the orientation adjusting motor 31 is connected with the disc 12 through the fixed support 15, two fixed blocks 29 are arranged on the disc 12, one whole obtuse angle bending orientation adjusting pipe 13 is arranged on each fixed block 29, the included angle between the inlet and the outlet of the orientation adjusting pipe 13 is an obtuse angle, the two orientation adjusting pipes 13 are arranged in a positive and negative state, the two orientation adjusting pipes 13 are symmetrically arranged with the center of the disc 12 as the symmetric point, the stop post 33 is arranged at the corner of the orientation adjusting pipe 13 and is inclined to the inlet direction, the stop post 33 is arranged in the clamping groove of the fixed block 29, and the stop post 33 is used for blocking the rock wool block in the reverse state from directly dropping out of the outlet along the pipeline. The rock wool block in the positive state falling into the pipe from the inlet of the self-adjusting pipe 13 can directly drop out of the outlet along the pipeline, and the rock wool block in the reverse state falling into the pipe is blocked by the stop post 33 and can only drop out along the original path when the inlet of the self-adjusting pipe 13 rotates to the lower side; the lower part of the fixed support 15 is provided with the left and right extending second belt conveyor 14, and the right end of the conveying belt in the second belt conveyor 14 and the right end of the fixed support 15 are provided with a gap 34 only for a vertical rock wool block to pass through, and the rock wool block falling out of the self-adjusting pipe 13 falls on the second belt conveyor 14 and falls on the seedling tray 21 through the gap 34.

[0048] Specifically, the included angle between the axis of the stop post 33 and the outlet axis of the orientation adjusting pipe 13 is 45°.

[0049] As a preferred scheme of the present application, the length of the stop post 33 is adjustable, so that the device of the present application can be applied to rock wool blocks with different diameters.

[0050] Preferably, the shape of the stop post 33 extending into one end of the orientation adjusting pipe 13 is a convex arc surface, so that the stop post 33 can better cooperate with the rock wool block. The stop post 33 is made of rubber material to avoid damaging the rock wool block.

[0051] As another preferred scheme of the present application, two trajectory limiting baffle plates 28 are arranged on the fixed support 15 directly below the orientation adjusting pipe 13, and the two trajectory limiting baffle plates 28 are respectively arranged on the two sides of the conveying belt of the second belt conveyor 14 along the length direction.

[0052] Specifically, the specific structure of the second belt conveyor 14 is the same as that of the first belt conveyor 8, which is also a drum conveying belt structure, and details are not repeated here.

[0053] <pressing mechanism>

[0054] Please refer to FIG. 1 to FIG. 5, the pressing mechanism is arranged at the right end of the fixed support 15, comprising a vertical plate arranged on the fixed support 15, the vertical plate is fixed with a pressing motor 19 through a motor fixing seat, the output shaft of the pressing motor 19 is connected with a pressing gear 17, the vertical plate is provided with a sliding rail 16, the sliding rail 16 is provided with a pressing rack 18 engaged with the pressing gear 17, the lower end of the pressing rack 18 is fixed with a pressing rod 20 arranged opposite to the gap 34, the pressing rod 20 can be driven to move up and down by the pressing motor 19, thereby pressing the rock wool block into the to-be-filled hole of the seedling tray 21.

[0055] As a preferred scheme of the present application, the end of the pressing rod 20 in contact with the rock wool block is a convex arc surface, which is made of soft rubber material and its shape is complementary to the concave arc surface shape of one end of the rock wool block.

[0056] <seedling tray moving mechanism>

[0057] The seedling tray moving mechanism is arranged on the second support frame 102, comprising a longitudinal driving assembly and a transverse driving assembly arranged on the longitudinal driving assembly, the to-be-filled hole on the seedling tray 21 can be moved to be directly below the gap 34 through the transverse driving assembly and the longitudinal driving assembly.

[0058] The longitudinal driving assembly comprises a first bottom plate 26 arranged on the second support frame 102, a longitudinal moving motor 32 fixed on the first bottom plate 26, a first lead screw 30 connected with the transmission shaft of the longitudinal moving motor 32, and a first supporting part 27 with an internal thread arranged on the first lead screw 30. The transverse driving assembly is arranged on the first supporting part 27, comprising a second bottom plate 24 arranged on the first supporting part 27, a transverse moving motor 23 fixed on the second bottom plate 24, a second lead screw 22 connected with the transmission shaft of the transverse moving motor 23, and a second supporting part 25 with an internal thread arranged on the second lead screw 22. A fixed disc is placed above the second supporting part 25, and the seedling tray 21 is placed on the fixed disc.

[0059] It should be noted that the automatic filling device of the present application is provided with a controller electrically connected with each motor, and the rotation of each motor is controlled through the controller. The automatic filling device of the present application is also provided with a visual recognition system on the feeding mechanism and the direction adjusting mechanism respectively, and the rock wool block on the first belt conveyor 8 falls into the direction adjusting pipe 13 and the rock wool block falling from the second belt conveyor 14 falls into the target position of the seedling tray 21 through the cooperation of the controller and the visual recognition system. The visual recognition system is arranged at a suitable position of the feeding mechanism and the direction adjusting mechanism respectively.

[0060] The specific use method of the rock wool block automatic filling device provided by the application is as follows: firstly, the disordered rock wool blocks are placed in the storage box 7, the output shaft of the feeding motor 3 rotates to drive the feeding gear 4 to rotate, and then the feeding rack 5 is engaged to drive the push-pull plate 704 to move up and down, the rock wool blocks are ladder-shapedly lifted on the fixed plate 703 and the push-pull plate 704 to the conveying belt of the first belt conveyor 8, the rock wool blocks continuously move on the first belt conveyor 8, and then fall into the direction adjusting pipe 13 through the concave chute 11, the output shaft of the direction adjusting motor 31 rotates to drive the disc 12 and then drive the direction adjusting pipe 13 to rotate counterclockwise. In order to ensure that all the concave arc surfaces of the rock wool blocks are consistent in the same direction, the direction adjustment is divided into two cases at this time: (1) when the rock wool blocks fall in the normal state of “concave arc surface upward and plane downward”, they will directly slide out of the discharge port at the lower end of the direction adjusting pipe 13 after contacting the stop column 33 and rotating with the disc 12, and at this time, the rock wool blocks fall on the second belt conveyor 14 in the normal state; (2) when the rock wool blocks fall in the reverse state of “concave arc surface downward and plane upward”, they will be stopped after contacting the stop column 33, and when the direction adjusting pipe 13 rotates to the feeding port downward, the rock wool blocks will slide out along the original path, so that the rock wool blocks also fall on the second belt conveyor 14 in the normal state. Under the action of the second belt conveyor 14, the rock wool blocks will move into the gap 34 and fall; at the same time, the output shaft of the pressing motor 19 rotates to drive the pressing gear 17 to rotate, the pressing gear 17 is engaged with the pressing rack 18 to drive the pressing rod 20 to move up and down, and then the rock wool blocks are pressed into the to-be-filled holes on the seedling tray 21; after completing the single pressing, the output shaft of the horizontal moving motor 23 rotates to drive the second lead screw 22 to rotate, and then the seedling tray 21 moves left and right by one horizontal hole interval, after the whole row is filled, the output shaft of the vertical moving motor 32 rotates to drive the first lead screw 30 to rotate, and then the seedling tray 21 moves forward and backward by one vertical hole interval, and the operation is repeated until the whole seedling tray 21 is filled.

[0061] The above is only a preferred embodiment of the application, and is not intended to limit the application in any form. Any equivalent transformation or modification according to the essence of the application should be covered within the protection scope of the application.

Claims

1. A device for automatically filling rock wool blocks, the rock wool blocks being in the form of a cylinder as a whole, one end of which is concave and the other end of which is flat, characterized in that, The device comprises a controller, a supporting mechanism (1), a feeding mechanism, a direction adjusting mechanism, a pressing mechanism and a seedling tray moving mechanism. The feeding mechanism is arranged at the left end of the supporting mechanism (1) and comprises a push plate type feeding assembly and a first belt conveyor (8) arranged at the rear side of the push plate type feeding assembly and electrically connected with the controller. The direction adjusting mechanism is arranged on the supporting mechanism (1) and located at the right side of the first belt conveyor (8) and used for adjusting the direction of the rock wool block so that the rock wool block falls onto the seedling tray (21) in a normal state with the concave arc surface upward and the plane downward. The pressing mechanism is arranged at the right end of the fixed support (15) and comprises a vertical plate arranged on the fixed support (15), a pressing motor (19) fixed on the vertical plate through a motor fixing seat and electrically connected with the controller, a pressing gear (17) connected with the output shaft of the pressing motor (19), a sliding rail (16) arranged on the vertical plate, a pressing rack (18) arranged on the sliding rail (16) and engaged with the pressing gear (17), and a pressing rod (20) fixed at the lower end of the pressing rack (18) and arranged opposite to the gap (34). The seedling tray moving mechanism is arranged at the right end of the supporting mechanism (1) and used for supporting and moving the seedling tray (21) and comprises a longitudinal driving assembly electrically connected with the controller and a transverse driving assembly arranged on the longitudinal driving assembly and electrically connected with the controller. Through the transverse driving assembly and the longitudinal driving assembly, the hole to be filled on the seedling tray (21) can be moved to the position directly below the gap (34). ​ The visual identification system is provided with two, which are respectively arranged on the feeding mechanism and the direction adjusting mechanism, and through the cooperation of the controller and the visual identification system, the rock wool block on the first belt conveyor (8) can just fall into the direction adjusting pipe (13), and the rock wool block falling from the second belt conveyor (14) can just fall into the target position of the seedling tray (21). The two limiting baffle plates (10) are connected with a connecting rod (9) in the middle part, the connecting rod (9) and the limiting baffle plates (10) form a space for the rock wool block in the horizontal state to pass through, and the right end of the first belt conveyor (8) is provided with a concave chute (11) with the left end being higher than the right end.

2. An automatic rock wool block filling device according to claim 1, characterized in that, The push plate type feeding assembly comprises a support frame (2) and a storage box (7) which are arranged at the left end of the supporting mechanism (1) and are in communication with each other, the rear side of the storage box (7) is connected with the first belt conveyor (8) through a bearing plate, the storage box (7) comprises two opposite standing plates (702), a fixed bottom plate (701) vertically arranged at the front section of the two standing plates (702) and a stepped bottom plate vertically arranged at the rear section of the two standing plates (702), the stepped bottom plate comprises a plurality of fixed plates (703) and push-pull plates (704) which are arranged in a stepped manner and are arranged in a staggered manner between the two standing plates (702), the thicknesses of the fixed plates (703) and the push-pull plates (704) are equal to the diameter of the rock wool block, a plurality of fixed plates (703) are fixedly connected between the two standing plates (702), and the lower ends of a plurality of push-pull plates (704) are fixed with a vertically extending feeding rack (5) through a connecting piece (6); a feeding motor (3) is arranged in the support frame (2), a feeding gear (4) is connected to the output shaft of the feeding motor (3), the feeding gear (4) is engaged with the feeding rack (5), and under the action of the feeding motor (3), a plurality of push-pull plates (704) perform synchronous lifting action relative to the fixed plates (703), so as to drive the rock wool block arranged on the fixed bottom plate (701) to be lifted in a stepped manner to the highest position of the stepped bottom plate, and then to roll onto the first belt conveyor (8).

3. An automatic rock wool block filling device according to claim 1, characterized in that, The end of the abutting column (33) extending into the direction adjusting pipe (13) is a convex arc surface.

4. An automatic rock wool block filling device according to claim 1, characterized in that, The direction adjusting pipe (13) is fixed to the disc (12) through a fixing block (29), the fixing block (29) is provided with a clamping groove for mounting the abutting column (33), and the length of the abutting column (33) is adjustable.

5. An automatic rock wool block filling device according to claim 1, characterized in that, Two fixed rail baffle plates (28) for limiting the movement track of the rock wool block are arranged on the fixed support (15) directly below the direction adjusting pipe (13), and the two fixed rail baffle plates (28) are arranged on the two sides of the conveying belt of the second belt conveyor (14) along the length direction.

6. An automatic rock wool block filling device according to claim 1, characterized in that, The lower end of the pressing rod (20) is a convex arc surface matched with the concave arc surface of the rock wool block.

7. An automatic rock wool block filling device according to claim 1, characterized in that, The pressing rod (20) and the abutting column (33) are both made of rubber material.

8. An automatic rock wool block filling device according to claim 1, characterized in that, The transverse driving assembly and the longitudinal driving assembly are both motor screw modules.

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