Plant stalk cutter

Abstract

The utility model provides a plant stalk cutter which comprises a box body and a base, a plurality of cutters distributed at equal intervals extend out of the bottom face of the box body, a long-strip-shaped cutting groove used for containing plant stalks to be cut is formed in the base, the shape of cutting edges of the cutters is matched with the shape of the cross section of the cutting groove, and the cutting edges of the cutters can be cut through the action that the box body is buckled on the base. The cutting device mainly comprises a box body and a base, the equidistant cutters are arranged on the box body, the cutting grooves matched with the cutters in shape are formed in the base, when the cutting device is used, the plant stalks to be cut are placed in the cutting grooves in the base, and the cutting operation is completed through the action that the box body and the base get close to each other until the box body and the base abut against each other. A plurality of stalk sections with the same length can be obtained through one-time action, the cutting operation mode is simple and efficient, the flatness of a notch can be well guaranteed, and the technical problems that an existing plant stalk experiment material preparation procedure is low in efficiency and poor in material flatness are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plant experimental equipment technical field, more particularly, relate to a plant stem cutter. BACKGROUND

[0002] In the research of water transport efficiency of plant xylem, the water transport performance is often evaluated by measuring the height of water rising along the stem, in the experiment, the stem is generally cut into small sections with equal length, and one end of the stem is inserted into the water solution containing dye, the water transport capacity of the plant is evaluated by observing the rising height of the dye in the stem, among them, the length of the stem and the flatness of the cut will directly affect the resistance of water transport and the uniformity of dye rising.

[0003] If the length of the stem sample is inconsistent, the shorter stem may rise faster due to smaller water resistance, while the longer stem will show relatively low dye rising speed, this length difference will cause deviation of the experimental results, in addition, uneven cut will damage the water transport channel in the stem, affect the dye absorption effect, and further cause distortion of experimental data and deviation. Therefore, it is necessary to ensure the consistency of the length of the stem section and the flatness of the cut. In the prior art, a knife is generally used in combination with a ruler to cut the plant stem, however, such operation is relatively troublesome, low in efficiency, needs to be measured each time, and it is also difficult to ensure the flatness of the cut.

[0004] In summary, the existing plant stem experimental material preparation process has the technical problems of low efficiency and poor material flatness. UTILITY MODEL CONTENTS

[0005] The utility model wants to solve the technical problem that the existing plant stem experimental material preparation process has the technical problems of low efficiency and poor material flatness.

[0006] To solve the above problems, the utility model provides a plant stem cutter, including box body and base, the bottom surface of box body protrudes a plurality of equally spaced distribution cutters, the base is provided with the long slot of cutting groove for placing the plant stem to be cut, the cutting edge shape of cutter matches the cross section shape of cutting groove, through the action of box body buckling on the base, the cutter divides the plant stem in cutting groove equally.

[0007] The utility model provides a technical scheme, mainly includes two parts of box body and base, the equal interval cutter is set up on the box body, the cutting groove of cooperation cutter shape is set up to the base, the plant stem of cutting is placed in the cutting groove on the base during use, and the cutting operation is completed through the mutual approach of the box body and the base until the base until the base, the operation of disposable action can obtain a plurality of stem sections of consistent length, the operation mode of cutting is simple and efficient, and the flatness of the cutout can be better guaranteed, effectively solve the technical problem that the existing plant stem experimental material preparation process has low efficiency, material flatness is poor.

[0008] As a preferred scheme, the outer contour shape of the box body and the base is consistent, the side positioning plate extending towards the base is fixedly installed on the outer side of the box body, and the inner edge contour of the side positioning plate is consistent with the outer side contour shape and size of the base, so as to guide the position alignment and folding of the box body and the base.

[0009] The design provides a structure that can assist the mutual buckling action of the box body and the base, first, the side surface outer contour shape of the box body and the base is consistent, and the side positioning plate extending a certain length is arranged on the side surface of the box body, the plate surface of the side positioning plate is preferably perpendicular to the bottom surface of the box body and the top surface of the base, and the outer edge of the base is surrounded by the side positioning plate during buckling operation, so as to accurately guide the buckling action, ensure the accurate alignment between the cutter and the cutting groove, ensure the accuracy of the cutting action, and further ensure the smoothness of the cutout.

[0010] As a preferred scheme, the box body is provided with an adjusting mechanism connected with the cutters, which is used for adjusting the spacing between the cutters. The design provides a structure that can adjust the spacing between the cutters, which can simply complete the adjustment of the length of the cut plant stem experimental material, so that the cutter has better applicability.

[0011] As a preferred scheme, the adjusting mechanism includes a lead screw, a lead screw nut, a driving slider, a driven slider and a connecting rod set;

[0012] The lead screw is arranged in the box body along the arrangement direction of the cutter, the lead screw is threadedly connected with the lead screw nut, the lead screw nut is fixedly connected with the driving slider, a plurality of driven sliders are arranged at equal intervals on one side of the driving slider, one cutter is fixedly connected to the driving slider and each driven slider, and the connecting rod set is connected between the driving slider and each driven slider to maintain the spacing between the sliders.

[0013] The design provides a preferred adjustment structure design, wherein one cutter is fixedly connected with the driving slider, and the remaining cutters are respectively fixedly connected with a driven slider, the driving slider and the driven sliders are sequentially connected through a connecting rod set to realize synchronous action, the driving slider is matched with the lead screw through the lead screw nut, and the driving slider can be driven to feed along the axial direction of the lead screw when the lead screw rotates, so that the driven sliders are synchronously driven to move in the axial direction, so that the spacing between the cutters is always kept equal during the adjustment process, and the overall structure of the adjustment mechanism is simple and the equal spacing of the cutters is good.

[0014] As a preferred scheme, the connecting rod set comprises a plurality of intermediate connecting rods which are sequentially hinged at the ends and end connecting rods which are located at the two ends of the connecting body formed by the intermediate connecting rods, the midpoint of each intermediate connecting rod is hinged with a driven slider, one end of one end connecting rod is hinged with the driving slider, and the other end of the end connecting rod is hinged with the end of the adjacent intermediate connecting rod, and the other end of the other end connecting rod is hinged with the inner side wall of the box body and the end of the adjacent intermediate connecting rod, and the included angles between the adjacent intermediate connecting rods and the included angles between the adjacent intermediate connecting rods and the end connecting rods are equal.

[0015] The design provides a preferred connecting rod set design, which comprises a plurality of intermediate connecting rods which are sequentially hinged at the ends, and an end connecting rod is hinged at the two ends of the intermediate connecting rod set, and the preferred design is that the driving slider is located on one side of the driven sliders, the end of one end connecting rod is hinged with the driving slider, and the end of the other end connecting rod is hinged with the box body, the midpoints of the intermediate connecting rods are hinged with the driven sliders, so as to determine the reference positions between the cutters and the box body, the included angles between the intermediate connecting rods and the included angles between the adjacent intermediate connecting rods and the end connecting rods are equal, and in order to ensure that the included angles are consistent, the effective length of the end connecting rod, that is, the distance between the two farthest hinge points, is half of the intermediate connecting rod.

[0016] As a preferred scheme, the lead screw is provided with a guide slide rod parallel to the lead screw on both sides, the driving slider and the driven sliders are provided with sliding through holes matched with the guide slide rods on both sides, and the guide slide rods are slidably matched with the driving slider and the driven sliders through the sliding through holes.

[0017] Since the slider itself has a certain volume and the cutting edge of the cutter has a certain length, in order to ensure that the cutters are always parallel to each other during the cutter position adjustment process to ensure the vertical consistency of the cutters, a guide slide rod is arranged on the left and right sides of the axial direction of the lead screw, the driving slider and the driven sliders are provided with sliding through holes at both ends, and the guide slide rods are slidably matched with the driving slider and the driven sliders through the sliding through holes.

[0018] As a preferred scheme, the inner side wall of the box body is provided with a fixing seat corresponding to the position connected with the end connecting rod, and the end connecting rod is hinged with the box body through the fixing seat.

[0019] The design provides a connection scheme between the end connecting rod and the box body, and the fixing seat fixedly connected with the box body is arranged on the inner side wall of the box body, and the end connecting rod is hinged with the fixing seat, so that the design is simple in structure and has the advantages of convenient assembly.

[0020] As a preferred scheme, one end of the lead screw is rotatably connected with the inner side wall of the box body, and the other end of the lead screw penetrates through the box body and is fixedly connected with a knob structure, and the rotation of the lead screw is driven by twisting the knob structure.

[0021] The design provides an optimized design of the lead screw, one end of the lead screw is rotatably connected with the inner side wall of the box body, a bearing or other rotating connection structure can be arranged, the other end of the lead screw penetrates through the side wall of the box body, and the knob structure is arranged on one side of the box body, so that the rotation of the lead screw is driven by rotating the knob structure, and the structure is simple and practical and has good effects.

[0022] As a preferred scheme, the bottom surface of the box body is provided with a knife hole structure for accommodating the cutting knife penetrating through. The design provides a preferred design of the box body, the knife hole structure is arranged on the bottom surface of the box body, that is, the side end surface where the cutting knife extends out, and the structure can protect the base of the cutting knife and the internal connecting rod lead screw and other structures, and avoid impurities from entering to damage the adjusting mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A structural schematic view of the plant stem cutter is provided.

[0024] Figure 2 A structural schematic view of the plant stem cutter is provided. Figure 1 A structural schematic view of the plant stem cutter is provided.

[0025] Figure 3 A structural schematic view of the plant stem cutter is provided. Figure 1 A structural schematic view of the plant stem cutter is provided.

[0026] Figure 4 A structural schematic view of the plant stem cutter is provided. Figure 3 A structural schematic view of the plant stem cutter is provided.

[0027] Among them, Figures 1-4 Among them,

[0028] 1, box body; 2, cutting knife; 3, base; 4, cutting groove; 5, side positioning plate; 6, lead screw; 7, knob structure; 8, lead screw nut; 9, driving slider; 10, driven slider; 11, end connecting rod; 12, intermediate connecting rod; 14, fixing seat; 15, guide slide rod. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0030] Before the working principle of the utility model is described in detail, the description of the utility model needs to be further explained: in the description of the utility model, it needs to be explained that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the devices or elements indicated having a specific orientation, being constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0031] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can be detachable connection, or integral connection; can be mechanical connection, can be direct connection, can be indirect connection through an intermediate medium, or can be two elements welded connection. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] Reference Figures 1-4 The following examples are described as follows, Figure 1 A structural schematic diagram of a plant stem cutter provided by the utility model is shown in the figure; Figure 2 A Figure 1 A structural schematic diagram of the plant stem cutter from another angle is shown in the figure; Figure 3 A Figure 1 A structural schematic diagram of the inside of the box body of the plant stem cutter is shown in the figure; Figure 4 A Figure 3 A structural schematic diagram of the inside of the box body of the plant stem cutter is shown in the figure.

[0033] The embodiment of the utility model provides a plant stem cutter, which comprises a box body 1 and a base 3, a plurality of equally spaced cutting knives 2 are protruded from the bottom surface of the box body 1, a long strip-shaped cutting groove 4 for placing the plant stems to be cut is arranged on the base 3, the cutting edge shape of the cutting knife 2 matches the cross-sectional shape of the cutting groove 4, and through the action of the box body 1 buckling on the base 3, the cutting knife 2 equally divides the plant stems in the cutting groove 4.

[0034] The utility model provides a technical scheme provided by the utility model mainly includes two parts of box body 1 and base 3, the equal interval cutter 2 is arranged on box body 1, the cutting groove 4 of cooperation cutter 2 shape is arranged to base 3, and the plant stem to be cut is placed in the cutting groove 4 on base 3 when using, and the cutting operation is completed through the mutual approaching of the both of box body 1 and base 3 until the action of the resistance is completed, and the stem section of multiple consistent lengths can be obtained in the disposable action, the operation mode of cutting is simple and efficient, and the flatness of the cutout can be preferably guaranteed, and the technical problems of low efficiency and poor material flatness in the existing plant stem experimental material preparation process are effectively solved.

[0035] In the technical scheme provided by the embodiment, the outer contour shape of the box body 1 and the base 3 is consistent, the lateral positioning plate 5 extending towards the base 3 is fixedly installed on the outer side of the box body 1, and the inner edge contour of the lateral positioning plate 5 is consistent with the outer side contour shape and size of the base 3, so as to guide the position alignment and folding of the box body 1 and the base 3.

[0036] The design provides a structure capable of assisting the mutual buckling action of the box body 1 and the base 3, the side surface outer contour shape of the box body 1 and the base 3 is consistent, and the lateral positioning plate 5 extending a certain length is arranged on the side surface of the box body 1, the plate surface of the lateral positioning plate 5 is preferably perpendicular to the bottom surface of the box body 1 and the top surface of the base 3, the outer edge of the base 3 is surrounded by the lateral positioning plate 5 during the buckling operation, the buckling action can be accurately guided, the alignment between the cutter 2 and the cutting groove 4 is ensured to be accurate, the cutting action is accurate, and the smoothness of the cutout is further ensured.

[0037] In the technical scheme provided by the embodiment, the adjusting mechanism connecting the cutters 2 is arranged in the box body 1, and is used for adjusting the spacing between the cutters 2. The design provides a structure capable of adjusting the spacing between the cutters 2, and the length adjustment of the cut plant stem experimental material can be simply completed through such a design, so that the cutter has better applicability.

[0038] In the technical scheme provided by the embodiment, the adjusting mechanism includes a lead screw 6, a lead screw nut 8, a driving sliding block 9, a driven sliding block 10 and a connecting rod set.

[0039] The lead screw 6 is arranged in the box body 1 along the arrangement direction of the cutter 2, the lead screw 6 and the lead screw nut 8 are threadedly matched, the lead screw nut 8 is fixedly installed with the driving sliding block 9, a plurality of driven sliding blocks 10 are distributed at equal intervals on one side of the driving sliding block 9, the driving sliding block 9 and each driven sliding block 10 are fixedly connected with a cutter 2, and the connecting rod set is connected between the driving sliding block 9 and each driven sliding block 10 to keep the sliding block spacing.

[0040] The design provides a preferred adjustment structure design, wherein one cutter 2 is fixedly connected with the driving slider 9, and the remaining cutters 2 are respectively fixedly connected with a driven slider 10; the driving slider 9 and the driven sliders 10 are sequentially connected through a connecting rod set to realize synchronous movement; the driving slider 9 is threadedly connected with the lead screw 6 through the lead screw nut 8, and when the lead screw 6 rotates, the driving slider 9 can be driven to move axially along the lead screw 6, thereby synchronously driving the driven sliders 10 to move axially, so as to ensure that the distances between the cutters 2 are always equal during adjustment, and the overall structure of the adjustment mechanism is simple and the equal distances between the cutters 2 are well maintained.

[0041] In the technical scheme provided in the embodiment, the connecting rod set comprises a plurality of intermediate connecting rods 12 which are sequentially hingedly connected at the head and tail and end connecting rods 11 which are located at the two ends of the connecting body formed by the intermediate connecting rods 12; the midpoint of each intermediate connecting rod 12 is hingedly connected with a driven slider 10; the two ends of one end connecting rod 11 are respectively hingedly connected with the driving slider 9 and the end of the adjacent intermediate connecting rod 12; the two ends of the other end connecting rod 11 are respectively hingedly connected with the inner side wall of the box body 1 and the end of the adjacent intermediate connecting rod 12; and the angles between the adjacent intermediate connecting rods 12 and the end connecting rods 11 are equal.

[0042] The design provides a preferred connecting rod set design, which comprises a plurality of intermediate connecting rods 12 which are sequentially hingedly connected at the head and tail and end connecting rods 11 which are respectively hingedly connected at the two ends of the intermediate connecting rod set; preferably, the driving slider 9 is located on one side of the driven sliders 10; the end of one end connecting rod 11 is hingedly connected with the driving slider 9, and the end of the other end connecting rod 11 is hingedly connected with the box body 1; the midpoints of the intermediate connecting rods 12 are respectively hingedly connected with driven sliders; thereby the reference positions between the cutters 2 and the box body 1 are determined, and the angles between the intermediate connecting rods 12 and the angles between the adjacent intermediate connecting rods 12 and the end connecting rods 11 are equal; in order to ensure that the angles are consistent, the effective length of the end connecting rod 11, that is, the distance between the two farthest hinged points, is half of the length of the intermediate connecting rod 12.

[0043] In the technical scheme provided in the embodiment, the lead screw 6 is provided with guide sliding rods 15 which are parallel to the lead screw 6 on both sides; the driving slider 9 and the driven sliders 10 are respectively provided with sliding through holes which are matched with the guide sliding rods 15 on both sides; and the guide sliding rods 15 are slidably matched with the driving slider 9 and the driven sliders 10 through the sliding through holes.

[0044] Since the slider itself has a certain volume and the blade of the cutter 2 has a certain length, in order to ensure that each cutter 2 can be parallel to each other to ensure the vertical consistency of each cut during the position adjustment of the cutter 2, a guide slide rod 15 is arranged on the left and right sides of the screw rod 6 in the axial direction, and each driven slider 10 and the driving slider 9 are provided with a sliding through hole at both ends, and the sliding through hole is penetrated through the guide slide rod 15 to realize the sliding cooperation between the guide slide rod 15 and the sliding through hole.

[0045] In the technical scheme provided by the embodiment, the inner side wall of the box body 1 is provided with a fixing seat 14 corresponding to the position connected with the end connecting rod 11, and the end connecting rod 11 is hinged to the box body 1 through the fixing seat 14.

[0046] The design provides a connection scheme between the end connecting rod 11 and the box body 1, the fixing seat 14 fixedly connected with the box body 1 is arranged on the inner side wall of the box body 1, and the end connecting rod 11 is hinged through the protruding structure of the fixing seat 14, which has the advantages of simple structure and convenient assembly.

[0047] In the technical scheme provided by the embodiment, one end of the screw rod 6 is rotatably connected with the inner side wall of the box body 1, the other end of the screw rod 6 penetrates out of the box body 1 and is fixedly connected with the knob structure 7, and the rotation of the screw rod 6 is driven by twisting the knob structure 7.

[0048] The design provides an optimized design of the screw rod 6, one end of the screw rod 6 is rotatably connected with the inner side wall of the box body 1, a bearing or other rotating connection structure can be arranged, the other end of the screw rod 6 penetrates out of the side wall of the box body 1, and the knob structure 7 is arranged on one side of the box body 1, so that the rotation of the screw rod 6 is conveniently driven by rotating the knob structure 7, and the structure is simple, practical and good in effect.

[0049] In the technical scheme provided by the embodiment, the bottom surface of the box body 1 is provided with a knife hole structure for accommodating the cutter 2. The design provides a preferred design of the box body 1, the knife hole structure is arranged on the bottom surface of the box body 1, that is, the side end surface where the cutter 2 extends out, and the structure can protect the base of the cutter 2 and the connecting rod and the screw rod inside, and avoid impurities from entering to damage the adjustment mechanism.

[0050] Although the utility model discloses as above, the protection scope of the utility model disclosed is not limited to this only.The person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A plant stalk severer characterized by comprising: The utility model relates to a cutting device for plant stems, comprising a box (1) and a base (3), the bottom surface of the box (1) is provided with a plurality of equidistantly distributed cutters (2), the base (3) is provided with a long strip-shaped cutting groove (4) for placing the plant stems to be cut, the cutting edge shape of the cutter (2) matches the cross-sectional shape of the cutting groove (4), through the action of the box (1) buckling on the base (3), the cutter (2) cuts the plant stems in the cutting groove (4) into equal lengths.

2. The plant stalk severer according to claim 1, characterized in that, The outer contour shape of the box (1) and the base (3) is consistent, the outer side of the box (1) is fixedly provided with a side positioning plate (5) extending towards the base (3), the inner edge contour of the side positioning plate (5) is consistent with the outer side contour shape and size of the base (3), so as to guide the position alignment and folding of the box (1) and the base (3).

3. The plant stalk severer according to claim 2, wherein The box (1) is provided with an adjusting mechanism connected with the cutters (2) for adjusting the spacing between the cutters (2).

4. The plant stalk severer according to claim 3, wherein The adjusting mechanism comprises a lead screw (6), a lead screw nut (8), a driving slider (9), a driven slider (10) and a linkage; The lead screw (6) is arranged in the box (1) along the arrangement direction of the cutters (2), the lead screw (6) is threadedly connected with the lead screw nut (8), the lead screw nut (8) is fixedly connected with the driving slider (9), a plurality of driven sliders (10) are equidistantly arranged on one side of the driving slider (9), one cutter (2) is fixedly connected with the driving slider (9) and each driven slider (10), and the linkage is connected between the driving slider (9) and each driven slider (10) to maintain the spacing between the sliders.

5. The plant stalk severer according to claim 4, wherein The linkage comprises a plurality of intermediate linkages (12) sequentially hinged at the ends and end linkages (11) located at the two ends of the connection body formed by the intermediate linkages (12), the midpoint of each intermediate linkage (12) is hinged with a driven slider (10), one end of one end linkage (11) is hinged with the driving slider (9) and the end of the adjacent intermediate linkage (12), respectively, and the other end of the other end linkage (11) is hinged with the inner side wall of the box (1) and the end of the adjacent intermediate linkage (12), respectively, and the included angles between adjacent intermediate linkages (12) and the included angles between the adjacent intermediate linkages (12) and the end linkages (11) are equal.

6. The plant stalk severer according to claim 5, wherein The two sides of the lead screw (6) are provided with guide sliding rods (15) parallel to the lead screw (6), the driving slider (9) and the driven slider (10) are provided with sliding through holes matched with the guide sliding rods (15) on the two sides, and the guide sliding rods (15) are slidably connected with the driving slider (9) and the driven slider (10) through the sliding through holes.

7. The plant stalk severer according to claim 5, wherein The inner side wall of the box (1) is provided with a fixed seat (14) corresponding to the position connected with the end linkage (11), and the end linkage (11) is hinged with the box (1) through the fixed seat (14).

8. The plant stalk severer according to claim 4, wherein One end of the lead screw (6) is rotatably connected with the inner side wall of the box body (1), the other end of the lead screw (6) is connected with the knob structure (7) and is fixed, the rotation of the lead screw (6) is driven by twisting the knob structure (7).

9. The plant stalk severer according to claim 4, wherein The bottom surface of the box body (1) is provided with a knife hole structure for accommodating the cutter (2) to pass through.

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