Chemical fertilizer anti-caking rate measuring equipment

Abstract

The invention relates to the technical field of measuring equipment, in particular to chemical fertilizer anti-caking rate measuring equipment which comprises a base, an extrusion frame is arranged on the base and comprises a first fixing plate and a second fixing plate which are fixedly connected, and an extrusion plate is slidably arranged between the first fixing plate and the second fixing plate; the extrusion plate, the first fixing plate and the second fixing plate are arranged in parallel, the distance between the extrusion plate and the second fixing plate is adjustable, a driving mechanism is further arranged on the base, and the driving mechanism can drive the extrusion frame to rotate around the horizontal axis, so that the extrusion frame has a vertical state and a horizontal state; a pressing mechanism is arranged on the side, away from the extrusion plate, of the first fixing plate, the pressing mechanism can automatically drive the extrusion plate when the extrusion frame is in the horizontal state, so that the extrusion plate can press the multiple chemical fertilizer packaging bags, the extrusion plate can be automatically loosened when the extrusion frame is in the vertical state, and therefore the detection efficiency of the chemical fertilizer anti-blocking rate can be improved; meanwhile, the detection accuracy is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of measuring equipment, in particular to a fertilizer anti-caking rate measuring device. Background Art

[0002] Caking fertilizer, because it loses its free-flowing state, can negatively impact its production and use. For example, when applying clumping fertilizer, it's not evenly distributed, causing some crops to not absorb nutrients while others, due to excessive nutrient concentrations in their surroundings, can become toxic and wither, leading to reduced crop yields and economic losses. Therefore, it's necessary to test the anti-caking properties of fertilizers.

[0003] In the prior art, patent document CN216386982U discloses an automated fertilizer anti-caking performance testing auxiliary device. The device starts a drive motor, which rotates a rotating shaft through a coupling. The rotating shaft drives the slide downward, which drives the sliding plate downward. The sliding plate drives two connecting blocks downward, which drives two fixed blocks downward, thereby driving the movable plate downward to squeeze the fertilizer being tested to simulate the pressure during normal storage. However, when batch testing multiple fertilizer bags, this auxiliary device needs to be stacked vertically. Due to gravity, each fertilizer bag is subjected to different pressures, which affects the efficiency of the fertilizer anti-caking rate test. Summary of the Invention

[0004] Based on this, it is necessary to provide a fertilizer anti-caking rate measuring device to address the technical problem of low detection efficiency of the current fertilizer anti-caking performance testing device.

[0005] The above purpose is achieved through the following technical solutions: A fertilizer anti-caking rate measuring device includes a base, wherein the base is provided with an extrusion frame, the extrusion frame including a first fixed plate and a second fixed plate fixedly connected, a squeezing plate slidably provided between the first fixed plate and the second fixed plate, the squeezing plate, the first fixed plate and the second fixed plate are all arranged in parallel, the distance between the squeezing plate and the second fixed plate is adjustable, and a plurality of fertilizer packaging bags can be placed between the squeezing plate and the second fixed plate, and the fertilizer packaging bags are parallel to the squeezing plate; the base is also provided with a driving mechanism, the driving mechanism can drive the squeezing frame to rotate around a horizontal axis, so that the squeezing frame has a vertical state and a horizontal state, when the squeezing frame is in the horizontal state, the first fixed plate, the squeezing plate and the second fixed plate are all vertical and distributed in sequence in the horizontal direction, when the squeezing frame is in the vertical state, the first fixed plate, the squeezing plate and the second fixed plate are all horizontal and distributed in sequence in the vertical direction; a pressing mechanism is provided on the side of the first fixed plate away from the squeezing plate, the pressing mechanism can automatically drive the squeezing plate when the squeezing frame is in the horizontal state, so that the squeezing plate can compress a plurality of fertilizer packaging bags, and automatically release the squeezing plate when the squeezing frame is in the vertical state.

[0006] Furthermore, the pressing mechanism includes a first gear, a first rack, a counterweight and a transmission mechanism; a first rotating shaft is coaxially fixed on the first gear, a movable bracket is provided on the first fixed plate, the first rotating shaft is rotatably arranged on the movable bracket, and the first rotating shaft is parallel to the first fixed plate; the first rack is arranged perpendicular to the extrusion plate, one end of the first rack is fixedly connected to the extrusion plate, and the other end passes through the first fixed plate and corresponds to the first gear; a connecting rope is provided on the counterweight, the connecting rope passes around the first rotating shaft and is connected to the first fixed plate, and the connecting rope is frictionally engaged with the first rotating shaft; the transmission mechanism is located between the counterweight and the movable bracket; when the extrusion frame is in a horizontal state, the counterweight droops under the action of its own gravity and pulls the first rotating shaft through the connecting rope, so that the first gear can mesh with the first rack, and at the same time, the rotation of the first gear drives the first rack to slide, and then the first rack drives the extrusion plate to squeeze the fertilizer packaging bag; when the extrusion frame is in a vertical state, the counterweight presses the transmission mechanism under the action of its own gravity, so that the transmission mechanism drives the movable bracket to move in a direction away from the first rack, thereby causing the first gear to disengage from the first rack.

[0007] Furthermore, the extrusion frame also includes a base plate, which is perpendicular to and fixedly connected to the first fixed plate and the second fixed plate. When the extrusion frame is in a horizontal state, the base plate is supported on the base; the transmission mechanism includes a driving frame, which is slidably arranged on the base plate; the driving frame includes a first driving plate and a second driving plate that are perpendicular and fixedly connected, the first driving plate is parallel to the first fixed plate, and the second driving plate is perpendicular to the first fixed plate, and the second driving plate and the movable bracket are slidably fitted through an inclined plane. When the extrusion frame is in a vertical state, the counterweight block can press the first driving plate under the action of its own gravity, so that the first driving plate slides in a direction perpendicular to the first fixed plate, so that the second driving plate can push the movable bracket to slide on the first fixed plate in a direction away from the base plate, thereby driving the first gear away from the first rack.

[0008] Furthermore, a first inclined block is provided on the second driving plate, a second guide rod is fixed on the movable bracket, the second guide rod is arranged parallel to the first fixed plate, and the second guide rod is arranged perpendicular to the base plate; a second inclined block is provided on the second guide rod, and the first inclined block and the second inclined block are slidably matched through inclined surfaces.

[0009] Furthermore, two first guide rods are fixed on the side of the first fixed plate away from the extrusion plate, the first guide rod is parallel to the first rack, the first drive plate can slide along the first guide rod, and a first spring is sleeved on the first guide rod, and the first spring has a tendency to move the first drive plate away from the first fixed plate; a second spring is provided on the second guide rod, and the second spring has a tendency to move the second guide rod toward the direction close to the bottom plate.

[0010] Furthermore, a second rack is provided on the extrusion plate, and the second rack is arranged parallel to the first rack. A transmission gear is rotatably provided on the first fixed plate, and the second drive plate is engaged with the transmission gear, and the second rack passes through the first fixed plate and is engaged with the transmission gear. Therefore, when the counterweight presses the first drive plate, the second drive plate drives the second rack to move through the transmission gear, so that the second rack pulls the extrusion plate to move in a direction away from the second fixed plate.

[0011] Furthermore, the transmission gear includes an intermediate gear and side gears on both sides of the intermediate gear, the intermediate gear is meshed with the second rack, and the side gears are meshed with the second drive plate.

[0012] Furthermore, a sliding plate is provided on the side opposite to the first fixed plate and the extrusion plate, and a plurality of rollers are rotatably provided on the sliding plate, and the rollers are evenly distributed in a direction perpendicular to the bottom plate.

[0013] Furthermore, a guide rod is provided between the first fixing plate and the second fixing plate. The guide rod is vertically arranged to the extrusion plate, and the extrusion plate can slide along the guide rod.

[0014] Furthermore, the driving mechanism is a hydraulic telescopic rod, which is rotatable around a horizontal axis and is arranged on the base, and the hydraulic telescopic rod is connected to the second fixed plate.

[0015] The beneficial effects of the present invention are: The fertilizer anti-caking rate measuring device provided by the present invention has the following characteristics: first, when in use, multiple fertilizer packaging bags can be placed between the extrusion plate and the second fixed plate at one time, and then the driving mechanism is controlled to rotate the extrusion frame to a horizontal state. The extrusion plate squeezes the multiple fertilizer packaging bags at the same time. Since the multiple fertilizer packaging bags are horizontally distributed and are not affected by gravity, the extrusion force applied to each fertilizer packaging bag is basically the same, which can improve the detection efficiency of the fertilizer anti-caking rate and ensure the detection accuracy.

[0016] Second, since the pressing mechanism can automatically drive the extrusion plate when the extrusion frame is in a horizontal state, so that the extrusion plate presses multiple fertilizer packaging bags, and automatically relaxes the extrusion plate when the extrusion frame is in a vertical state, it is convenient to take out and place the fertilizer packaging bags, which can further improve the detection efficiency of the fertilizer anti-caking rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a fertilizer anti-caking rate measuring device provided in one embodiment of the present invention; Figure 2 for Figure 1 A magnified view of the structure at center A; Figure 3 A schematic side view of a device for measuring the anti-caking rate of fertilizer provided by one embodiment of the present invention; Figure 4 A schematic top view of a device for measuring the anti-caking rate of fertilizer provided in one embodiment of the present invention; Figure 5 for Figure 4 BB cross-sectional view; Figure 6 for Figure 4 CC cross-sectional view; Figure 7 for Figure 6 A magnified view of the structure at point D in the middle; Figure 8 A schematic diagram of the three-dimensional structure of the extrusion frame in a vertical state in the fertilizer anti-caking rate measuring device provided by one embodiment of the present invention; Figure 9 A schematic side view of an extrusion frame in a vertical position in a fertilizer anti-caking rate measuring device provided by one embodiment of the present invention; Figure 10 A cross-sectional view of a fertilizer anti-caking rate measuring device provided by one embodiment of the present invention showing an extrusion frame in a vertical state.

[0018] in: 101. Base; 102. Hydraulic seat; 103. Hydraulic telescopic rod; 104. Extrusion frame; 1041. First fixed plate; 1042. Second fixed plate; 1043. Guide rod; 1044. Bottom plate; 1045. First guide rod; 1046. First spring; 1047. Articulated shaft; 1048. Sliding plate; 105. Fertilizer packaging bag; 106. Extrusion plate; 1061. First rack; 1062. Second Rack; 107, movable bracket; 1071, first gear; 1072, first rotating shaft; 108, driving frame; 1081, first driving plate; 1082, second driving plate; 1083, first inclined block; 109, transmission gear; 1091, intermediate gear; 1092, side gear; 110, second guide rod; 1101, second spring; 1102, second inclined block; 111, counterweight; 1111, connecting rope. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] The serial numbers assigned to components herein, such as "first," "second," etc., are used solely to distinguish the objects being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings). In the description of the present invention, it should be understood that terms such as "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise" indicate positions or relationships based on those shown in the accompanying drawings. These terms are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the device or component being referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0021] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0022] like Figures 1 to 10As shown, an embodiment of the present invention provides a fertilizer anti-caking rate measuring device, including a base 101, wherein the base 101 is provided with an extrusion frame 104, wherein the extrusion frame 104 includes a first fixed plate 1041 and a second fixed plate 1042 fixedly connected, and an extrusion plate 106 is slidably provided between the first fixed plate 1041 and the second fixed plate 1042, wherein the extrusion plate 106, the first fixed plate 1041 and the second fixed plate 1042 are all arranged in parallel, and the distance between the extrusion plate 106 and the second fixed plate 1042 is adjustable, and a plurality of fertilizer packaging bags 105 can be placed between the extrusion plate 106 and the second fixed plate 1042, and the fertilizer packaging bags 105 are parallel to the extrusion plate 106; a driving mechanism is also provided on the base 101, and the driving mechanism can drive the extrusion The frame 104 rotates around the horizontal axis, so that the extrusion frame 104 has a vertical state and a horizontal state. When the extrusion frame 104 is in the horizontal state, the first fixed plate 1041, the extrusion plate 106 and the second fixed plate 1042 are all vertical and distributed in sequence along the horizontal direction. When the extrusion frame 104 is in the vertical state, the first fixed plate 1041, the extrusion plate 106 and the second fixed plate 1042 are all horizontal and distributed in sequence along the vertical direction; a clamping mechanism is provided on the side of the first fixed plate 1041 away from the extrusion plate 106. The clamping mechanism can automatically drive the extrusion plate 106 when the extrusion frame 104 is in the horizontal state, so that the extrusion plate 106 can compress multiple fertilizer packaging bags 105, and automatically relax the extrusion plate 106 when the extrusion frame 104 is in the vertical state.

[0023] During use, multiple fertilizer packaging bags 105 can be placed between the extrusion plate 106 and the second fixed plate 1042 at one time, and then the driving mechanism is controlled to rotate the extrusion frame 104 to a horizontal state. The extrusion plate 106 squeezes multiple fertilizer packaging bags 105 at the same time. Since the multiple fertilizer packaging bags 105 are horizontally distributed and are not affected by gravity, the extrusion force applied to each fertilizer packaging bag 105 is basically the same, which can improve the detection efficiency of the fertilizer anti-caking rate while ensuring the detection accuracy.

[0024] In addition, since the pressing mechanism can automatically drive the extrusion plate 106 when the extrusion frame 104 is in a horizontal state, the extrusion plate 106 presses multiple fertilizer packaging bags 105, and automatically relaxes the extrusion plate 106 when the extrusion frame 104 is in a vertical state, it is convenient to take out and place the fertilizer packaging bags 105, which can further improve the detection efficiency of the fertilizer anti-caking rate.

[0025] Furthermore, the clamping mechanism includes a first gear 1071, a first rack 1061, a counterweight 111, and a transmission mechanism. A first rotating shaft 1072 is coaxially fixed to the first gear 1071. A movable bracket 107 is provided on the first fixed plate 1041. The first rotating shaft 1072 is rotatably mounted on the movable bracket 107 and is parallel to the first fixed plate 1041. The first rack 1061 is disposed perpendicular to the extrusion plate 106. One end of the first rack 1061 is fixedly connected to the extrusion plate 106, and the other end passes through the first fixed plate 1041 and corresponds to the first gear 1071.

[0026] The counterweight 111 is provided with a connecting rope 1111, which passes around the first rotating shaft 1072 and is connected to the first fixed plate 1041, and the connecting rope 1111 is frictionally engaged with the first rotating shaft 1072; the transmission mechanism is located between the counterweight 111 and the movable bracket 107; Figures 1 to 7 As shown, when the extrusion frame 104 is in a horizontal state, the counterweight 111 sags under its own gravity and pulls the first rotating shaft 1072 through the connecting rope 1111, so that the first gear 1071 can engage with the first rack 1061. At the same time, the first gear 1071 rotates to drive the first rack 1061 to slide, and then the first rack 1061 drives the extrusion plate 106 to squeeze the fertilizer packaging bag 105; Figures 8 to 10 As shown, when the extrusion frame 104 is in a vertical state, the counterweight block 111 presses the transmission mechanism under the action of its own gravity, so that the transmission mechanism drives the movable bracket 107 to move away from the first rack 1061, thereby disengaging the first gear 1071 from the first rack 1061.

[0027] The weight of the counterweight 111 is adjustable and is adjusted according to the number of the fertilizer packaging bags 105 .

[0028] like Figure 1 and Figure 2As shown, the extrusion frame 104 also includes a bottom plate 1044, which is perpendicular to and fixedly connected to the first fixed plate 1041 and the second fixed plate 1042. When the extrusion frame 104 is in a horizontal state, the bottom plate 1044 is supported on the base 101; the transmission mechanism includes a driving frame 108, which is slidably set on the bottom plate 1044. An avoidance hole is provided on the bottom plate 1044, and the driving frame 108 slides along the avoidance hole. The drive frame 108 includes a first drive plate 1081 and a second drive plate 1082 that are vertically and fixedly connected. The first drive plate 1081 is parallel to the first fixed plate 1041, and the second drive plate 1082 is perpendicular to the first fixed plate 1041. The second drive plate 1082 and the movable bracket 107 are fitted together by an inclined sliding surface. When the extrusion frame 104 is in a vertical state, the counterweight block 111 can press the first drive plate 1081 under the action of its own gravity, so that the first drive plate 1081 slides in a direction perpendicular to the first fixed plate 1041, so that the second drive plate 1082 can push the movable bracket 107 to slide on the first fixed plate 1041 in a direction away from the bottom plate 1044, thereby driving the first gear 1071 away from the first rack 1061.

[0029] like Figure 6 and Figure 7 As shown, a first inclined block 1083 is provided on the second driving plate 1082, and a second guide rod 110 is fixedly provided on the movable bracket 107. The second guide rod 110 is arranged parallel to the first fixed plate 1041, and the second guide rod 110 is arranged perpendicular to the bottom plate 1044; a second inclined block 1102 is provided on the second guide rod 110, and the first inclined block 1083 and the second inclined block 1102 are slidably matched through inclined surfaces.

[0030] Furthermore, two first guide rods 1045 are fixedly provided on the side of the first fixing plate 1041 away from the extrusion plate 106. The first guide rods 1045 are parallel to the first rack 1061. The first drive plate 1081 can slide along the first guide rods 1045. The first guide rods 1045 are sleeved with first springs 1046. The first springs 1046 have a tendency to move the first drive plate 1081 away from the first fixing plate 1041. The second guide rods 110 are provided with second springs 1101. The second springs 1101 have a tendency to move the second guide rods 110 toward the bottom plate 1044. Specifically, the first fixing plate 1041 is further provided with fixing ears. The second guide rods 110 slide along the fixing ears, and the second springs 1101 engage with the fixing ears for stopping.

[0031] The first guide rod 1045 is provided to facilitate the sliding of the first driving plate 1081, the first spring 1046 can cause the first driving plate 1081 to reset, and the second spring 1101 can cause the movable bracket 107 to reset, so that when the extrusion frame 104 changes from a vertical state to a horizontal state, the first gear 1071 and the first rack 1061 can automatically engage.

[0032] like Figure 2 As shown, the extrusion plate 106 is also provided with a second rack 1062, and the second rack 1062 is arranged parallel to the first rack 1061. A transmission gear 109 is rotatably provided on the first fixed plate 1041, and the second drive plate 1082 is engaged with the transmission gear 109, and the second rack 1062 passes through the first fixed plate 1041 and is engaged with the transmission gear 109. Therefore, when the counterweight block 111 presses the first drive plate 1081, the second drive plate 1082 drives the second rack 1062 to move through the transmission gear 109, so that the second rack 1062 pulls the extrusion plate 106 to move in a direction away from the second fixed plate 1042.

[0033] In this way, when the squeezing frame 104 is in a vertical state, the squeezing plate 106 can be automatically lifted up and away from the fertilizer packaging bag 105, so that the fertilizer packaging bag 105 can be easily taken in and out.

[0034] like Figure 7 As shown, the transmission gear 109 includes an intermediate gear 1091 and side gears 1092 located axially on either side of the intermediate gear 1091. The intermediate gear 1091 meshes with the second rack 1062, while the side gears 1092 mesh with the second drive plate 1082. The second drive plate 1082 is provided with a meshing section (not shown) corresponding to the side gear 1092. The transmission gear 109 is fixed to the first fixed plate 1041 via a connecting bracket.

[0035] like Figure 5 As shown, a sliding plate 1048 is provided on each side of the second fixed plate 1042 opposite the extrusion plate 106. A plurality of rollers are rotatably mounted on the sliding plate 1048. The rollers are evenly distributed in a direction perpendicular to the bottom plate 1044. When a fertilizer bag 105 is placed into the extrusion frame 104, the bag 105 can slide along the rollers and come close to the bottom plate 1044, thereby reducing sliding resistance.

[0036] Furthermore, a guide rod 1043 is provided between the first fixing plate 1041 and the second fixing plate 1042 . The guide rod 1043 is perpendicularly arranged to the extrusion plate 106 , and the extrusion plate 106 can slide along the guide rod 1043 .

[0037] Furthermore, the driving mechanism is a hydraulic telescopic rod 103, which is rotatably mounted on the base 101 about a horizontal axis and is connected to a second fixing plate 1042. A hydraulic seat 102 is also fixed to the base 101, and the extrusion frame 104 is hinged to the hydraulic seat 102 via a hinge shaft 1047. The hydraulic telescopic rod 103 is rotatably mounted on the hydraulic seat 102, and two hydraulic telescopic rods 103 are provided.

[0038] In combination with the above embodiments, the use principle and working process of the embodiments of the present invention are as follows: In the initial state, the extrusion frame 104 is in a vertical state, the counterweight 111 presses the first driving plate 1081 , and the first gear 1071 is disengaged from the first rack 1061 .

[0039] Multiple fertilizer bags 105 are then placed between the extrusion plate 106 and the second fixed plate 1042, and a counterweight 111 of appropriate weight is attached to the connecting rope 1111. The hydraulic telescopic rod 103 is then extended to horizontally position the extrusion frame 104. The counterweight 111 then droops under the action of gravity. Since the counterweight 111 no longer compresses the first drive plate 1081, the first drive plate 1081 returns to its original position under the action of the first spring 1046 (at this point, there is a certain distance between the first drive plate 1081 and the counterweight 111). The movable bracket 107 returns to its original position under the action of the second spring 1101, causing the first gear 1071 to re-engage with the first rack 1061. The drooping of the counterweight 111 also rotates the first rotating shaft 1072, causing the first gear 1071 on the first rotating shaft 1072 to move the first rack 1061, which in turn drives the extrusion plate 106 to extrude the multiple fertilizer bags 105. Each fertilizer packaging bag 105 will not be affected by gravity like this.

[0040] After being placed for a period of time, such as three months, when it is necessary to test the anti-caking rate of the fertilizer in the fertilizer packaging bag 105, the hydraulic telescopic rod 103 is controlled to retract, so that the extrusion frame 104 is in a vertical state. At this time, the drooping of the counterweight block 111 can squeeze the first driving plate 1081, so that the first driving plate 1081 drives the second driving plate 1082 to slide toward the first fixed plate 1041, and the first inclined block 1083 on the second driving plate 1082 slides with the second inclined block 1102 on the movable bracket 107, prompting the movable bracket 107 to move away from the bottom plate 104. 44, so that the first gear 1071 on the first rotating shaft 1072 can be separated from the first rack 1061, so that the first rack 1061 no longer applies pressure to the extrusion plate 106; at the same time, the movement of the second driving plate 1082 drives the second rack 1062 to move away from the first fixed plate 1041 through the transmission gear 109, pulling the extrusion plate 106 away from the second fixed plate 1042, so that the extrusion plate 106 can be away from the fertilizer packaging bag 105. At this time, the fertilizer packaging bag 105 to be tested is taken out from the extrusion rack 104 for testing.

[0041] Then control the hydraulic telescopic rod 103 again to rotate the extrusion frame 104 to a horizontal state. After being placed for a period of time again, the extrusion frame 104 is rotated to a vertical state again to sample again. This cycle can be used to detect the fertilizer packaging bag 105 in multiple time periods.

[0042] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0043] The above-described embodiments merely illustrate several embodiments of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A fertilizer anti-caking rate measuring device, characterized in that: The invention comprises a base, wherein the base is provided with an extrusion frame, wherein the extrusion frame comprises a first fixing plate and a second fixing plate fixedly connected, wherein an extrusion plate is slidably provided between the first fixing plate and the second fixing plate, wherein the extrusion plate, the first fixing plate and the second fixing plate are all arranged in parallel, wherein the distance between the extrusion plate and the second fixing plate is adjustable, and a plurality of fertilizer packaging bags can be placed between the extrusion plate and the second fixing plate, wherein the fertilizer packaging bags are parallel to the extrusion plate; The base is further provided with a driving mechanism capable of driving the extrusion frame to rotate around a horizontal axis, so that the extrusion frame has a vertical state and a horizontal state. When the extrusion frame is in the horizontal state, the first fixing plate, the extrusion plate and the second fixing plate are all vertical and distributed in sequence along the horizontal direction. When the extrusion frame is in the vertical state, the first fixing plate, the extrusion plate and the second fixing plate are all horizontal and distributed in sequence along the vertical direction. A pressing mechanism is provided on the side of the first fixed plate away from the extrusion plate. The pressing mechanism can automatically drive the extrusion plate when the extrusion frame is in a horizontal state, so that the extrusion plate can compress multiple fertilizer packaging bags, and automatically relax the extrusion plate when the extrusion frame is in a vertical state.

2. The fertilizer anti-caking rate measuring device according to claim 1, characterized in that: The pressing mechanism includes a first gear, a first rack, a counterweight and a transmission mechanism; A first rotating shaft is coaxially fixed on the first gear, a movable bracket is provided on the first fixed plate, the first rotating shaft is rotatably arranged on the movable bracket, and the first rotating shaft is parallel to the first fixed plate; The first rack is arranged perpendicular to the extrusion plate, one end of the first rack is fixedly connected to the extrusion plate, and the other end passes through the first fixed plate and corresponds to the first gear; The counterweight is provided with a connecting rope, which passes around the first rotating shaft and is connected to the first fixed plate, and the connecting rope is frictionally engaged with the first rotating shaft; The transmission mechanism is located between the counterweight and the movable bracket; when the extrusion frame is in a horizontal state, the counterweight droops under the action of its own gravity, and pulls the first rotating shaft through the connecting rope, so that the first gear can engage with the first rack, and at the same time, the rotation of the first gear drives the first rack to slide, and then the first rack drives the extrusion plate to squeeze the fertilizer packaging bag; when the extrusion frame is in a vertical state, the counterweight presses the transmission mechanism under the action of its own gravity, so that the transmission mechanism drives the movable bracket to move in a direction away from the first rack, thereby causing the first gear to disengage from the first rack.

3. The fertilizer anti-caking rate measuring device according to claim 2, characterized in that: The extrusion frame further includes a bottom plate, which is perpendicular to and fixedly connected to the first fixing plate and the second fixing plate. When the extrusion frame is in a horizontal state, the bottom plate is supported on the base; The transmission mechanism includes a driving frame, which is slidably arranged on the bottom plate; the driving frame includes a first driving plate and a second driving plate that are vertically and fixedly connected, the first driving plate is parallel to the first fixed plate, and the second driving plate is perpendicular to the first fixed plate, and the second driving plate and the movable bracket are slidably matched through an inclined surface. When the extrusion frame is in a vertical state, the counterweight block can press the first driving plate under the action of its own gravity, so that the first driving plate slides in a direction perpendicular to the first fixed plate, so that the second driving plate can push the movable bracket to slide on the first fixed plate in a direction away from the bottom plate, thereby driving the first gear away from the first rack.

4. The fertilizer anti-caking rate measuring device according to claim 3, characterized in that: A first inclined block is provided on the second driving plate, and a second guide rod is fixed on the movable bracket. The second guide rod is arranged parallel to the first fixed plate, and the second guide rod is arranged perpendicular to the base plate; a second inclined block is provided on the second guide rod, and the first inclined block and the second inclined block are slidably matched through inclined surfaces.

5. The fertilizer anti-caking rate measuring device according to claim 4, characterized in that: Two first guide rods are fixedly provided on the side of the first fixed plate away from the extrusion plate. The first guide rods are parallel to the first rack. The first drive plate can slide along the first guide rods. A first spring is sleeved on the first guide rod. The first spring has a tendency to force the first drive plate away from the first fixed plate. The second guide rod is provided with a second spring, and the second spring has a tendency to make the second guide rod move toward a direction close to the bottom plate.

6. The fertilizer anti-caking rate measuring device according to claim 5, characterized in that: The extrusion plate is also provided with a second rack, which is arranged parallel to the first rack. A transmission gear is rotatably provided on the first fixed plate, the second drive plate is engaged with the transmission gear, and the second rack passes through the first fixed plate and is engaged with the transmission gear. Therefore, when the counterweight presses the first drive plate, the second drive plate drives the second rack to move through the transmission gear, so that the second rack pulls the extrusion plate to move in a direction away from the second fixed plate.

7. The fertilizer anti-caking rate measuring device according to claim 6, characterized in that: The transmission gear includes an intermediate gear and side gears located on both axial sides of the intermediate gear. The intermediate gear is meshed with the second rack, and the side gears are meshed with the second driving plate.

8. The fertilizer anti-caking rate measuring device according to claim 3, characterized in that: A sliding plate is provided on the side opposite to the extrusion plate of the second fixed plate. A plurality of rollers are rotatably provided on the sliding plate. The rollers are evenly distributed in a direction perpendicular to the bottom plate.

9. The fertilizer anti-caking rate measuring device according to claim 8, characterized in that: A guide rod is provided between the first fixing plate and the second fixing plate. The guide rod is vertically arranged to the extrusion plate, and the extrusion plate can slide along the guide rod.

10. The fertilizer anti-caking rate measuring device according to claim 1, characterized in that: The driving mechanism is a hydraulic telescopic rod, which is rotatable around a horizontal axis and is arranged on the base, and the hydraulic telescopic rod is connected to the second fixed plate.

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