A greenhouse framework structure for seedling cultivation

Abstract

The invention discloses a greenhouse frame structure for seedling cultivation, which relates to the technical field of greenhouses, and comprises a base, on which columns are continuously and evenly arranged at intervals, on which film supports are connected by bolts, on which covering films are arranged, and between which adjacent film supports are window opening components, and in the middle of which adjacent film supports are provided an outer film cleaning mechanism; the upper surface of the film support is continuously provided with clamping grooves, the cross section of the clamping groove is a trapezoidal structure, in which a plastic pressure strip is provided, the plastic pressure strip is fixedly installed with the edge of the clamping groove by bolts, and the covering film is fixedly installed in the clamping groove by the plastic pressure strip and the bolts; the covering film is released and installed by a film releasing mechanism, and the outer film cleaning mechanism is cooperated to realize a quick cleaning operation of the outer surface of the covering film.

Description

Technical Field

[0001] The invention relates to the technical field of greenhouses, in particular to a greenhouse skeleton structure used for seedling cultivation. Background Art

[0002] Greenhouse is an agricultural facility that can artificially control and regulate the environment. It can regulate temperature, humidity, light, etc. to create good conditions for seedling cultivation or crop growth, so that they are not affected by seasons and external climate. It can extend the growth cycle, realize off-season planting, and increase the output and supply time of agricultural products. It improves production efficiency and facilitates centralized management and operation. The construction and maintenance costs are high. It requires a certain level of technology and management. It includes different forms such as plastic greenhouses, glass greenhouses, and solar panel greenhouses to meet different planting needs.

[0003] The most common type of greenhouse is composed of a supporting frame and a covering film. The existing greenhouse frame structure is not convenient for the installation of the covering film. At the same time, after long-term use, the dust falling on the film is difficult to clean, resulting in a decrease in the light transmittance of the greenhouse, affecting the seedling cultivation efficiency and cultivation yield in the greenhouse. Summary of the invention

[0004] The object of the present invention is to provide a greenhouse framework structure for seedling cultivation to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A greenhouse frame structure for seedling cultivation comprises a base, on which columns are continuously and evenly arranged, and on which film supports are connected by bolts, and on which covering films are arranged, and between which adjacent film supports are window opening assemblies, and between which adjacent film supports are provided an outer film cleaning mechanism.

[0007] A clamping groove is continuously arranged on the upper surface of the film bracket, and the cross-section of the clamping groove is a trapezoidal structure. A plastic strip is arranged in the clamping groove, and the plastic strip is fixed to the edge of the clamping groove by bolts. The covering film is fixed in the clamping groove by the plastic strip and the bolts.

[0008] As a further solution of the present invention: the outer film cleaning mechanism includes side strips arranged on both sides of the plastic pressure strip, the edges of the side strips are provided with matching guide rails, matching pulleys are slidably installed in the matching guide rails, and a mounting rod 1 is provided on the matching pulleys between adjacent matching guide rails, and adsorption magnets are provided at both ends of the mounting rod 1, and a bevel gear set and a fixed bracket are provided in the adsorption magnet on one side, a driving motor 1 is provided on the fixed bracket, a cleaning roller is provided on the mounting rod 1, and cleaning brushes are evenly provided on the cleaning roller, and a carrying component is provided on the inner side of the covering film, and the carrying component carries the cleaning roller to move along the matching guide rail and clean the surface of the covering film.

[0009] As a further solution of the present invention: the carrying component includes an adjusting guide rail 1 arranged in the middle of the adjacent film brackets, the side edges of the adjusting guide rail 1 are fixedly installed with the film brackets on both sides, a matching slide groove is arranged in the adjusting guide rail 1, a matching slide block is arranged in the matching slide groove, matching rods are symmetrically arranged on the matching slide block, a supporting spring is sleeved on the matching rod, a connecting flange is installed on the sliding rod on the matching rod, a mounting rod 2 is fixedly installed on the connecting flange, magnet blocks are arranged at both ends of the mounting rod 2, the magnet blocks are installed corresponding to the adsorption magnets, a matching hole is arranged on the connecting flange, a control rod is matchingly installed in the matching hole, a hook is arranged on the control rod, and the hook and the matching hole cooperate with each other.

[0010] As a further solution of the present invention: the window opening assembly includes a fixed frame arranged at the bottom of the film bracket, a rotating frame is installed in the fixed frame, adhesive strip 1 and adhesive strip 2 are respectively provided on the surfaces of the fixed frame and the rotating frame, a rotating shaft is provided on the inner side of the fixed frame, a connecting bent rod is provided on the rotating shaft, the connecting bent rod is connected to the inner side of the rotating frame, a push-pull handle is provided at the bottom of the rotating frame, and a sealing strip is provided between the matching gap between the fixed frame and the rotating frame.

[0011] As a further solution of the present invention: a film releasing mechanism is also provided on the top of the column, and the film releasing mechanism includes a top plate, a hanging bracket is installed on the lower side of the top plate, a moving component is provided between the hanging bracket and the top plate, side plates are provided at both ends of the hanging bracket, and one of the side plates is provided with a driving motor 2, a winding roller is rotatably installed between the side plates, the winding roller is connected to the driving motor 2, a covering film is wound on the winding roller, a guide frame is obliquely installed on the bottom of the side plate, a guide slide groove is provided in the guide frame, the guide slide groove points to the clamping groove, a slider is suspended on the end of the covering film, and the slider slides along the guide slide groove and the clamping groove.

[0012] As a further solution of the present invention: the moving component includes an adjusting guide rail 2 arranged in parallel at the bottom of the top plate, an adjusting slider is slidably installed in the adjusting guide rail 2, a matching gear is rotatably installed between the adjusting sliders, a rack is arranged between the adjusting guide rails 2, the matching gear and the rack are meshed with each other, and the matching gear is connected to a driving motor 3.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) The covering film is released from the top and covers the adjacent film brackets. The edge of the covering film is placed in the clamping groove. The covering film is pressed into the clamping groove by the plastic pressure strip. The plastic pressure strip is fixed to the film bracket with bolts to complete the installation of the covering film. At the same time, the covering film is sealed under the action of the clamping groove and the plastic pressure strip to ensure the sealing installation between adjacent covering films and the sealing of the top of the greenhouse.

[0015] (2) Side strips are arranged on both sides of the plastic strip, and matching pulleys and adsorption magnets and other components are installed in combination with the matching guide rails in the side strips. Driven by the carrying component, when the adsorption magnet is subjected to the adsorption force, the mounting rod moves the carrying cleaning roller upward along the matching guide rail, and the driving motor drives the cleaning roller to clean the surface of the covering film. During operation, the operator only needs to hold the carrying component on the inner side of the greenhouse and combine it with the adsorption magnet, thereby driving the outer film cleaning mechanism to clean the covering film.

[0016] (3) A fixed frame and a rotating frame are arranged at the bottom of the film support, wherein the rotating frame is rotatably installed by a rotating shaft and a connecting curved rod. When the covering film is fixedly installed, the covering film at the bottom is pasted to the fixed frame and the rotating frame by adhesive strips 1 and 2, and then a cutter is used to cut the covering film along the gap between the fixed frame and the rotating frame, thereby completing the combination of the covering film and the window assembly. The window assembly can ventilate the interior of the greenhouse, and can also be combined with the outer film cleaning mechanism to clean the covering film. After the covering film between two film supports is cleaned, the cleaning roller can be retrieved from between the window assemblies and placed in the side strips between the next adjacent film supports to clean the covering film. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the combined structure of the film support and the outer membrane cleaning mechanism in the present invention.

[0019] Figure 3 It is an enlarged schematic diagram of the separation of the plastic pressure strip and the pressing groove in the present invention.

[0020] Figure 4 It is a schematic diagram of the installation of the cleaning roller in the outer film cleaning mechanism of the present invention.

[0021] Figure 5 It is a schematic diagram of the structure of the carrying component in the present invention.

[0022] Figure 6 This is a schematic diagram of the window opening assembly in the present invention from a first viewing angle.

[0023] Figure 7 This is a schematic diagram of the window opening assembly in the present invention from a second viewing angle.

[0024] Figure 8 It is a structural schematic diagram of the film release mechanism in the present invention.

[0025] Fig. 9 It is a structural schematic diagram of the mobile component in the present invention.

[0026] In the figure: 1, base; 2, covering film; 3, column; 30, film bracket; 300, pressing groove; 301, plastic pressure strip; 302, side strip; 303, matching guide rail; 4, outer film cleaning mechanism; 40, matching pulley; 41, adsorption magnet; 42, mounting rod 1; 43, cleaning roller; 44, cleaning brush; 45, driving motor 1; 46, fixed bracket; 47, bevel gear set; 5, window opening assembly; 50, fixed frame; 51, rotating frame; 52, adhesive strip 1; 53, adhesive strip 2; 54, rotating shaft; 540, connecting curved rod; 5 5. Push-pull handle; 56. Adjustment rail one; 560. Matching slide groove; 57. Mounting rod two; 58. Magnet block; 59. Control rod; 590. Hook; 510. Matching slider; 511. Matching rod; 512. Support spring; 513. Connecting flange; 6. Film release mechanism; 60. Top plate; 61. Suspension bracket; 62. Side plate; 63. Drive motor two; 64. Winding roller; 65. Guide frame; 650. Guide slide groove; 66. Adjustment rail two; 67. Rack; 68. Adjustment slider; 69. Matching gear; 610. Drive motor three. DETAILED DESCRIPTION

[0027] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0028] like Figure 1 , Figure 2 , Figure 3As shown, a greenhouse framework structure for seedling cultivation includes a base 1, on which columns 3 are continuously and evenly arranged at intervals, and on which film brackets 3 are connected by bolts, a covering film 2 is arranged on the film bracket 30, and a window assembly 5 is arranged between adjacent film brackets 30, and an outer film cleaning mechanism 4 is arranged in the middle of adjacent film brackets 30. The upper surface of the film bracket 30 is continuously provided with a clamping groove 300, and the cross section of the clamping groove 300 is a trapezoidal structure. A plastic bead 301 is arranged in the clamping groove 300, and the plastic bead 301 is fixedly installed with the edge of the clamping groove 300 by bolts, and the covering film 2 is fixedly installed in the clamping groove 300 by the plastic bead 301 and the bolts.

[0029] Specifically, the covering film 2 is released from the top and covers the adjacent film bracket 30, the edge of the covering film 2 is placed in the pressing groove 300, the covering film 2 is pressed in the pressing groove 300 by the plastic bead 301, and the plastic bead 301 is fixed to the film bracket 30 by bolts, thereby completing the installation of the covering film 2. At the same time, the covering film 2 is sealed and installed between adjacent covering films 2 under the action of the pressing groove 300 and the plastic bead 301, ensuring the sealing of the top of the greenhouse.

[0030] Further, such as Figure 4 As shown, the outer film cleaning mechanism 4 includes side strips 302 arranged on both sides of the plastic pressure strip 301, and the edges of the side strips 302 are provided with matching guide rails 303, and matching pulleys 40 are slidably installed in the matching guide rails 303, and mounting rods 42 are provided on the matching pulleys 40 between adjacent matching guide rails 303, and adsorption magnets 41 are provided at both ends of the mounting rods 42, and a bevel gear set 47 and a fixed bracket 46 are provided in the adsorption magnet 41 on one side, and a driving motor 45 is provided on the fixed bracket 46, and a cleaning roller 43 is provided on the mounting rod 42, and cleaning brushes 44 are evenly provided on the cleaning roller 43, and a carrying component is provided on the inner side of the covering film 2, and the carrying component carries the cleaning roller 43 to move along the matching guide rail 303 and clean the surface of the covering film 2.

[0031] Specifically, side strips 302 are set on both sides of the plastic pressure strip 301, and the matching pulley 40 and the adsorption magnet 41 and other components are installed in combination with the matching guide rails 303 in the side strips 302. Driven by the carrying component, when the adsorption magnet 41 is subjected to the adsorption force, the installation rod 42 will carry the cleaning roller 43 to move upward along the matching guide rails 303, and the driving motor 45 will drive the cleaning roller 43 to clean the surface of the covering film 2. During operation, the personnel only need to hold the carrying component on the inner side of the greenhouse to combine it with the adsorption magnet 41, thereby driving the outer film cleaning mechanism 4 to clean the surface of the covering film 2.

[0032] Further, such as Figure 5 As shown, the carrying component includes an adjusting guide rail 1 56 arranged in the middle of the adjacent film brackets 30, the side edges of the adjusting guide rail 1 56 are fixedly installed with the film brackets 30 on both sides, a matching slide groove 560 is arranged in the adjusting guide rail 1 56, a matching slide block 510 is arranged in the matching slide groove 560, matching rods 511 are symmetrically arranged on the matching slide block 510, a supporting spring 512 is sleeved on the matching rod 511, a connecting flange 513 is installed on the sliding rod of the matching rod 511, a mounting rod 2 57 is fixedly installed on the connecting flange 513, magnet blocks 58 are arranged at both ends of the mounting rod 2 57, the magnet blocks 58 are installed corresponding to the adsorption magnet 41, a matching hole is arranged on the connecting flange 513, a control rod 59 is matched and installed in the matching hole, a hook 590 is arranged on the control rod 59, and the hook 590 cooperates with the matching hole.

[0033] Specifically, the matching slider 510 is slidably installed through the fixed adjustment guide rail 56. At the same time, in order to facilitate the separation between the magnet block 58 and the adsorption magnet 41, the connecting flange 513 and the matching slider 510 are movably installed through the matching rod 511 and the support spring 512. When in use, the hand-held control rod 59 cooperates with the matching hole of the connecting flange 513 to push the connecting flange 513 close to the matching slider 510, so that the magnet block 58 and the adsorption magnet 41 are close to each other, achieving the adsorption and carrying effect of the adsorption magnet 41, and the control rod 59 is used to push the matching slider 510 to move along the adjustment guide rail 56, carrying the cleaning roller 43 for moving cleaning.

[0034] Further, such as Figure 6 , Figure 7As shown, the window opening assembly 5 includes a fixed frame 50 arranged at the bottom of the film bracket 30, a rotating frame 51 is installed in the fixed frame 50, and the surfaces of the fixed frame 50 and the rotating frame 51 are respectively provided with an adhesive strip 1 52 and an adhesive strip 2 53, a rotating shaft 54 ​​is provided on the inner side of the fixed frame 50, a connecting bent rod 540 is provided on the rotating shaft 54, and the connecting bent rod 540 is connected to the inner side of the rotating frame 51, a push-pull handle 55 is provided at the bottom of the rotating frame 51, and a sealing strip is provided between the matching gap between the fixed frame 50 and the rotating frame 51.

[0035] Specifically, a fixed frame 50 and a rotating frame 51 are arranged at the bottom of the film support 30, wherein the rotating frame 51 is rotatably installed by a rotating shaft 54 ​​and a connecting curved rod 540. When the covering film 2 is fixedly installed, the covering film 2 at the bottom is pasted to the fixed frame 50 and the rotating frame 51 by the adhesive strip 1 52 and the adhesive strip 2 53, and then the covering film 2 is cut along the gap between the fixed frame 50 and the rotating frame 51 by a cutter, thereby completing the combination of the covering film 2 and the window assembly 5. The window assembly 5 can ventilate the interior of the greenhouse, and can also clean the covering film 2 in combination with the outer film cleaning mechanism 4. After the covering film 2 between two film supports 30 is cleaned, the cleaning roller 43 can be retrieved from between the window assemblies 5 and placed in the side strips 302 between the next adjacent film supports 30 to clean the covering film 2.

[0036] Further, such as Figure 8 As shown, a film releasing mechanism 6 is also provided on the top of the column 3, and the film releasing mechanism 6 includes a top plate 60, a hanging bracket 61 is installed on the lower side of the top plate 60, a moving component is arranged between the hanging bracket 61 and the top plate 60, side plates 62 are arranged at both ends of the hanging bracket 61, and a driving motor 2 63 is arranged on one side of the side plate 62, a winding roller 64 is rotatably installed between the side plates 62, the winding roller 64 is connected to the driving motor 2 63, and a covering film 2 is wound on the winding roller 64, a guide frame 65 is obliquely installed at the bottom of the side plate 62, a guide slot 650 is arranged in the guide frame 65, and the guide slot 650 points to the clamping groove 300, and a slider is suspended and installed at the end of the covering film 2, and the slider slides along the guide slot 650 and the clamping groove 300.

[0037] Specifically, the covering film 2 is released by driving the second motor 63, and the end of the covering film 2 slides along the guide groove 650 and the clamping groove through the slider, pulling the covering film 2 to move downward. When the slider falls to the ground, the release of the covering film 2 is stopped, and the covering film 2 is fixedly installed in combination with the plastic strip 301.

[0038] Further, such as Fig. 9 As shown, the moving assembly includes an adjustment guide rail 2 66 arranged parallel to the bottom of the top plate 60, an adjustment slider 68 is slidably installed in the adjustment guide rail 2 66, a matching gear 69 is rotatably installed between the adjustment sliders 68, a rack 67 is arranged between the adjustment guide rails 2 66, the matching gear 69 and the rack 67 are meshed with each other, and the matching gear 69 is connected to a drive motor 3 610.

[0039] Specifically, the winding roller 64 is transferred by the moving component. After the covering film 2 between adjacent film supports 30 is installed, the moving component is used to carry the winding roller 64 to move to the next position to release and install the covering film 2, thereby improving the installation efficiency of the covering film.

[0040] The working principle of the embodiment of the present invention is:

[0041] like Figure 1-Figure 9As shown, the covering film 2 is released from the top and covers the adjacent film bracket 30, the edge of the covering film 2 is placed in the pressing groove 300, the covering film 2 is pressed into the pressing groove 300 by the plastic bead 301, and the plastic bead 301 is fixed to the film bracket 30 by bolts, thereby completing the installation of the covering film 2. At the same time, the covering film 2 is sealed and installed between adjacent covering films 2 under the action of the pressing groove 300 and the plastic bead 301, ensuring the sealing of the top of the greenhouse. Side strips 302 are set on both sides of the plastic pressure strip 301, and the matching pulley 40 and the adsorption magnet 41 and other components are installed in combination with the matching guide rails 303 in the side strips 302. Driven by the carrying component, when the adsorption magnet 41 is subjected to the adsorption force, the installation rod 42 will carry the cleaning roller 43 to move upward along the matching guide rails 303, and the driving motor 45 will drive the cleaning roller 43 to clean the surface of the covering film 2. During operation, the personnel only need to hold the carrying component on the inner side of the greenhouse to combine it with the adsorption magnet 41, thereby driving the outer film cleaning mechanism 4 to clean the covering film 2. The matching slider 510 is slidably installed through the fixed adjustment guide rail 56. At the same time, in order to facilitate the separation between the magnet block 58 and the adsorption magnet 41, the connecting flange 513 and the matching slider 510 are movably installed through the matching rod 511 and the support spring 512. When in use, the hand-held control rod 59 cooperates with the matching hole of the connecting flange 513 to push the connecting flange 513 close to the matching slider 510, so that the magnet block 58 and the adsorption magnet 41 are close to each other, achieving the adsorption and carrying effect of the adsorption magnet 41, and the control rod 59 is used to push the matching slider 510 to move along the adjustment guide rail 56, carrying the cleaning roller 43 for moving cleaning. A fixed frame 50 and a rotating frame 51 are arranged at the bottom of the film support 30, wherein the rotating frame 51 is rotatably installed by a rotating shaft 54 ​​and a connecting curved rod 540. When the covering film 2 is fixedly installed, the covering film 2 at the bottom is pasted to the fixed frame 50 and the rotating frame 51 by the adhesive strip 1 52 and the adhesive strip 2 53, and then the covering film 2 is cut along the gap between the fixed frame 50 and the rotating frame 51 by a cutter, thereby completing the combination of the covering film 2 and the window assembly 5. The window assembly 5 can ventilate the interior of the greenhouse, and can also clean the covering film 2 in combination with the outer film cleaning mechanism 4. After the covering film 2 between two film supports 30 is cleaned, the cleaning roller 43 can be retrieved from between the window assemblies 5 and placed in the side strips 302 between the next adjacent film supports 30 to clean the covering film 2. The covering film 2 is released by driving the second motor 63, and the end of the covering film 2 slides along the guide slot 650 and the clamping slot through the slider, pulling the covering film 2 downward. When the slider falls to the ground, the release of the covering film 2 is stopped, and the covering film 2 is fixedly installed in combination with the plastic strip 301.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. Any reference numeral in a claim shall not be regarded as limiting the claim involved.

[0043] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A greenhouse frame structure for seedling cultivation, comprising a base (1), on which columns (3) are continuously and evenly spaced, and on which film supports (30) are connected by bolts, and on which a covering film (2) is arranged, characterized in that: A window opening assembly (5) is provided between adjacent film supports (30), and an outer film cleaning mechanism (4) is provided in the middle of adjacent film supports (30); The upper surface of the film support (30) is continuously provided with a clamping groove (300), the cross section of the clamping groove (300) is a trapezoidal structure, a plastic pressure strip (301) is provided in the clamping groove (300), the plastic pressure strip (301) is fixedly installed with the edge of the clamping groove (300) by means of bolts, and the covering film (2) is fixedly installed in the clamping groove (300) by means of the plastic pressure strip (301) and the bolts; The outer film cleaning mechanism (4) comprises side strips (302) arranged on both sides of the plastic pressure strip (301), the edges of the side strips (302) are provided with matching guide rails (303), matching pulleys (40) are slidably installed in the matching guide rails (303), and mounting rods (42) are provided on the matching pulleys (40) between adjacent matching guide rails (303), and adsorption magnets (41) are provided at both ends of the mounting rods (42), and a bevel gear set (47) and a fixed bracket (46) are provided in the adsorption magnets (41) on one side, and a driving motor (45) is provided on the fixed bracket (46), and a cleaning roller (43) is provided on the mounting rod (42), and cleaning brushes (44) are evenly arranged on the cleaning roller (43), and a carrying component is provided on the inner side of the covering film (2), and the carrying component carries the cleaning roller (43) to move along the matching guide rails (303) and clean the surface of the covering film (2); A film release mechanism (6) is also provided on the top of the column (3), and the film release mechanism (6) comprises a top plate (60), a suspension bracket (61) is installed on the lower side of the top plate (60), a moving component is provided between the suspension bracket (61) and the top plate (60), side plates (62) are provided at both ends of the suspension bracket (61), a driving motor (63) is provided on one side of the side plate (62), and a winding roller (64) is rotatably installed between the side plates (62). ), the winding roller (64) is connected to the second driving motor (63), a covering film (2) is wound on the winding roller (64), a guide frame (65) is obliquely mounted on the bottom of the side plate (62), a guide slot (650) is arranged in the guide frame (65), the guide slot (650) points to the clamping groove (300), a slider is suspended at the end of the covering film (2), and the slider slides along the guide slot (650) and the clamping groove (300).

2. A greenhouse framework structure for seedling cultivation according to claim 1, characterized in that: The carrying assembly comprises an adjusting guide rail (56) arranged in the middle of the adjacent film supports (30), the side of the adjusting guide rail (56) being fixedly mounted to the film supports (30) on both sides, a matching slide groove (560) being arranged in the adjusting guide rail (56), a matching slider (510) being arranged in the matching slide groove (560), a matching rod (511) being symmetrically arranged on the matching slider (510), a supporting spring (512) being sleeved on the matching rod (511), and the matching The upper sliding rod of the rod (511) is provided with a connecting flange (513), and a second mounting rod (57) is fixedly provided on the connecting flange (513). Both ends of the second mounting rod (57) are provided with magnet blocks (58), and the magnet blocks (58) are installed corresponding to the adsorption magnet (41). A matching hole is provided on the connecting flange (513), and a control rod (59) is matched and installed in the matching hole. A hook (590) is provided on the control rod (59), and the hook (590) and the matching hole are matched with each other.

3. A greenhouse framework structure for seedling cultivation according to claim 1, characterized in that: The window opening assembly (5) comprises a fixed frame (50) arranged at the bottom of the film support (30), a rotating frame (51) being mounted in the fixed frame (50), a first adhesive strip (52) and a second adhesive strip (53) being respectively arranged on the surfaces of the fixed frame (50) and the rotating frame (51), a rotating shaft (54) being arranged on the inner side of the fixed frame (50), a connecting curved rod (540) being arranged on the rotating shaft (54), the connecting curved rod (540) being connected to the inner side of the rotating frame (51), a push-pull handle (55) being arranged at the bottom of the rotating frame (51), and a sealing strip being arranged between the matching gap between the fixed frame (50) and the rotating frame (51).

4. A greenhouse framework structure for seedling cultivation according to claim 1, characterized in that: The moving assembly comprises an adjusting guide rail 2 (66) arranged in parallel at the bottom of the top plate (60), an adjusting slider (68) is slidably installed in the adjusting guide rail 2 (66), a matching gear (69) is rotatably installed between the adjusting sliders (68), a rack (67) is arranged between the adjusting guide rails 2 (66), the matching gear (69) and the rack (67) are meshed with each other, and the matching gear (69) is connected to a driving motor 3 (610).

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