Tobacco tissue positioning and sampling scissors

Abstract

According to the tobacco tissue positioning and sampling scissors, a battery module is fixed to the rear end of an operating rod set, the front end of the operating rod set is detachably and fixedly connected with a locking sleeve, the bottom of the locking sleeve is fixedly connected with the rear end of a cutter clamping arm in a sampling and cutting device, and a telescopic driving device electrically connected with the battery module is arranged in the operating rod set; the telescopic end of the telescopic driving device penetrates out of the locking sleeve to be hinged to the rear end of a cutter clamping arm in the sampling and cutting device, and under driving of the telescopic driving device, the front end of the cutter clamping arm moves upwards to be matched with the front end of the cutter clamping arm to cut and sample tobacco leaves. The tobacco leaf cutting and sampling device achieves mechanical cutting and sampling of tobacco leaves, solves the problems that a traditional sampling structure is large in labor intensity and inconvenient to sample, reduces labor intensity of workers, improves working efficiency, is simple in structure, novel in design and convenient and fast to disassemble and assemble, facilitates maintenance and replacement of parts, and reduces maintenance cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of tobacco experimental sampling tools, and in particular relates to a tobacco leaf tissue positioning sampling scissors. Background Art

[0002] In the field of tobacco planting research, tobacco leaf sampling is often required for studies on gene expression, protein and secondary metabolite content determination, so sampling shears are needed to sample the tobacco leaves. The authorization announcement number is CN213320242U, and the name is "A Tobacco Tissue Positioning Sampling Shears" (hereinafter referred to as the comparative document), which discloses a pair of shears, an upper shear pressure block, a lower shear sleeve, an ejection rod, and a compression spring. The front end of the shears is conveniently fixed with an upper shear pressure block and a lower shear sleeve, and the ejection rod is installed in the lower shear sleeve through a compression spring, and the upper edge of the lower shear sleeve is an annular blade; the upper end of the ejection rod is provided with a push block matching the inner wall of the lower shear sleeve, and the lower end is provided with a pressure block for people to push conveniently; although it can quickly cut fresh tobacco leaves and roasted tobacco leaves at the target position as tobacco leaf samples, reducing damage to the tobacco leaves, and can quickly eject tobacco leaf samples, sampling is convenient, and no folding or tearing of the tobacco leaf samples will be caused, but in actual sampling, the long time required for manual sampling will cause the staff to have sore hands and weakness, thereby reducing the staff's sampling efficiency. Therefore, it is necessary to make improvements to the above-mentioned problems. Utility Model Content

[0003] The technical problem solved by the utility model is: to provide a tobacco tissue positioning sampling shear, by arranging a telescopic driving device electrically connected to the power module at the rear end of the operating rod group, and making the telescopic end of the telescopic driving device hinged with the rear end of the knife clamping arm in the sampling and cutting device, under the drive of the telescopic driving device, the front end of the knife clamping arm is moved up and cooperated with the front end of the knife clamping arm to cut and sample the tobacco leaves, thereby realizing mechanized cutting and sampling of tobacco leaves, reducing the labor intensity of staff and improving work efficiency, with simple structure, novel design, convenient and quick disassembly and installation, convenient maintenance and replacement of parts, and reduced maintenance costs.

[0004] The technical solution adopted by the utility model: a tobacco tissue positioning sampling shear comprises an operating rod group, a locking sleeve and a sampling and cutting device, a battery module is fixed to the rear end of the operating rod group, and the front end of the operating rod group is detachably connected to the locking sleeve, the bottom of the locking sleeve is fixedly connected to the rear end of a knife arm in the sampling and cutting device, a telescopic driving device electrically connected to the battery module is provided in the operating rod group, and the telescopic end of the telescopic driving device passes through the locking sleeve and is hinged to the rear end of the knife arm in the sampling and cutting device, and under the drive of the telescopic driving device, the front end of the knife arm is moved up to cooperate with the front end of the knife arm to shear and sample the tobacco leaves.

[0005] Among them, the operating rod group includes an operating rod and a connecting tube, the connecting tube is a stepped structure with a front end outer diameter smaller than a rear end outer diameter, and an external thread is formed on the outer circumferential wall of the rear end of the connecting tube, a threaded hole is formed on the front end surface of the operating rod, and the external thread at the rear end of the connecting tube is adapted to be connected with the threaded hole, the battery module is fixed to the rear end of the operating rod, and a telescopic drive device whose telescopic end passes through a locking sleeve is arranged in the connecting tube.

[0006] Furthermore, the operating rod is provided with a power switch for controlling the on / off state of the electrical connection between the battery module and the telescopic drive device, and the connecting tube is provided with a spring switch for controlling the start and stop of the screw in the telescopic drive device.

[0007] Furthermore, the telescopic drive device includes a screwdriver, which is electrically connected to the battery module through a connector fixed at the rear end, and the internal spiral sleeve at the front end of the screwdriver is adaptively connected to the external telescopic rod that passes through the locking sleeve, the front end of the external telescopic rod is hinged to the rear end of the knife clamping arm, and when the screwdriver drives the internal spiral sleeve to rotate, the external telescopic rod extends forward or retracts.

[0008] Furthermore, the sampling and cutting device includes a knife arm and a knife clamping arm, the knife arm is in a V-shaped structure, the V-shaped corner of the knife arm is hinged to the lower part of the front end of the knife clamping arm, and the rear end of the knife arm is fixedly connected to the bottom of the locking sleeve, the front end of the knife arm is located above the front end of the knife clamping arm, the front end of the knife arm is provided with a cutting cover, and a cutting cylinder corresponding to the position of the cutting cover is fixed to the front end of the knife arm, a cutting piece is fixed at the upper edge of the cutting cylinder, and a spring rod with an upper end adapted to the cutting cylinder is elastically installed at the bottom of the cutting cylinder, and the cut tobacco leaf sample in the cutting cylinder is ejected by the spring rod pushed from bottom to top.

[0009] Furthermore, the spring rod comprises a push rod and a spring, the upper end of the push rod is adapted to fit in the cutting cylinder, and the lower end of the push rod is provided with a positioning ring located outside the cutting cylinder, and the spring is sleeved on the push rod and located between the cutting cylinder and the positioning ring.

[0010] Furthermore, the battery module includes a battery box containing batteries and a connecting plate, a dovetail groove is formed on the front side wall of the battery box, and the connecting plate fixed to the rear end of the operating rod group is inserted into the dovetail groove, and the battery is electrically connected to the screw in the telescopic drive device through a power cord.

[0011] Furthermore, the locking sleeve is an open sleeve with an opening on the outer circumferential wall of the lower end, and connecting plates are fixed on both sides of the opening of the lower end of the locking sleeve. The locking sleeve is sleeved on the front end of the operating rod group, and the rear end of the knife clamping arm is located between the two connecting plates. The locking sleeve, the operating rod group and the knife clamping arm are detachably fixed together by multiple bolts that fix the two connecting plates.

[0012] The advantages of this utility model compared with the prior art:

[0013] 1. This technical solution arranges a telescopic drive device electrically connected to the power module at the rear end of the lever group inside the lever group, and hinges the telescopic end of the telescopic drive device with the rear end of the knife clamping arm in the sampling and cutting device. Under the drive of the telescopic drive device, the front end of the knife clamping arm moves upward to cooperate with the front end of the knife clamping arm to cut and sample tobacco leaves, thereby realizing mechanized cutting and sampling of tobacco leaves, and solving the problem of high labor intensity and low sampling efficiency of the traditional structure.

[0014] 2. This technical solution uses a spiral device to drive the cutting cylinder and the cutting cover to squeeze, and cuts and samples the tobacco leaves through the cutting slice, so that the staff can reduce the labor intensity and improve the work efficiency;

[0015] 3. This technical solution adopts a locking sleeve with an open sleeve structure. By fastening the locking sleeve, the operating lever assembly and the clamping knife arm together by bolts connected to the connecting plate at the opening edge of the locking sleeve, the sampling shear is convenient to disassemble and install. When the components are damaged, they can be replaced by disassembly, which reduces the maintenance cost.

[0016] 4. This technical solution has a simple structure, reasonable design, convenient and quick operation, reduces the labor intensity of staff, improves work efficiency, is easy and quick to disassemble and install, is convenient for the maintenance and replacement of parts, and has high use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection structure between the operating lever assembly and the battery module of the utility model;

[0019] Figure 3 It is a semi-exploded structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0020] The following will be combined with the embodiment of the present utility model Figure 1-3 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] It should be noted that, in this document, unless otherwise stated, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc., are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further limitations. The elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method, article or device comprising the elements.

[0023] Tobacco leaf tissue positioning sampling shears, such as Figure 1-3 As shown, it includes an operating rod group 1, a locking sleeve 6 and a sampling and cutting device 4, the rear end of the operating rod group 1 is fixed with a battery module 2, and the front end of the operating rod group 1 is detachably connected to the locking sleeve 6, the bottom of the locking sleeve 6 is fixedly connected to the rear end of the clamping knife arm 4-1 in the sampling and cutting device 4, and the operating rod group 1 is provided with a telescopic driving device 3 electrically connected to the battery module 2, and the telescopic end of the telescopic driving device 3 passes through the locking sleeve 6 and is hinged to the rear end of the clamping knife arm 4-2 in the sampling and cutting device 4, and under the drive of the telescopic driving device 3, the front end of the clamping knife arm 4-2 moves up and cooperates with the front end of the clamping knife arm 4-1 to shear and sample the tobacco leaves.

[0024] The specific structure of the operating rod group 1 is as follows: the operating rod group 1 includes an operating rod 1-1 and a connecting tube 1-2, the connecting tube 1-2 is a stepped structure with a front end outer diameter smaller than a rear end outer diameter, and an external thread 1-4 is formed on the outer circumferential wall of the rear end of the connecting tube 1-2, a threaded hole 1-3 is formed on the front end surface of the operating rod 1-1, and the external thread 1-4 at the rear end of the connecting tube 1-2 is adapted to be connected with the threaded hole 1-3, the battery module 2 is fixed to the rear end of the operating rod 1-1, and a telescopic drive device 3 whose telescopic end passes through a locking sleeve 6 is arranged in the connecting tube 1-2; specifically, the A power switch 8 for controlling the on / off state of the electrical connection between the battery module 2 and the telescopic drive device 3 is provided on the operating rod 1-1, and a spring switch 5 for controlling the start and stop of the screw 3-1 in the telescopic drive device 3 is provided on the connecting tube 1-2; in the above structure, the sampling work of the sampling shears can be controlled by the spring switch 5, and the overall power-on of the sampling shears can be controlled by the power switch 8; in the above structure, the connecting tube 1-2 and the operating rod 1-1 are adapted and connected with the threaded hole 1-3 through the external thread 1-4, so that the connecting tube 1-2 and the operating rod 1-1 can be detachably installed.

[0025] like Figure 3 As shown, the specific structure of the telescopic drive device 3 is as follows: the telescopic drive device 3 includes a screw 3-1, and the screw 3-1 is electrically connected to the battery module 2 through a connector 3-4 fixed at the rear end, and the internal spiral sleeve 3-2 at the front end of the screw 3-1 is adaptively connected to the external telescopic rod 3-3 that passes through the locking sleeve 6, and the front end of the external telescopic rod 3-3 is hinged to the rear end of the knife clamping arm 4-2, and when the screw 3-1 drives the internal spiral sleeve 3-2 to rotate, the external telescopic rod 3-3 is extended forward or retracted; in the above structure, the internal spiral sleeve 3-2 is driven to rotate by the screw 3-1, and the external telescopic rod 3-3 can be extended and retracted inside it during rotation, so that after the knife clamping arm 4-2 rotates around the hinge point, its front end moves downward or upward.

[0026] like Figure 3As shown, the specific structure of the sampling and cutting device 4 is as follows: the sampling and cutting device 4 includes a knife clamping arm 4-1 and a knife clamping arm 4-2, the knife clamping arm 4-1 is in a V-shaped structure, the knife clamping arm 4-1 V-shaped corner is hinged to the lower front end of the knife clamping arm 4-2, and the rear end of the knife clamping arm 4-1 is fixedly connected to the bottom of the locking sleeve 6, the front end of the knife clamping arm 4-1 is located above the front end of the knife clamping arm 4-2, the front end of the knife clamping arm 4-1 is provided with a cutting cover 4-3, and the front end of the knife clamping arm 4-1 is fixed A cutting cylinder 4-4 is provided corresponding to the position of the cutting cover 4-3, a cutting sheet 4-5 is fixed on the upper edge of the cutting cylinder 4-4, and a spring rod 4-6 is elastically mounted at the bottom of the cutting cylinder 4-4, the upper end of which is adapted to the inside of the cutting cylinder 4-4, and the cut tobacco leaf samples in the cutting cylinder 4-4 are ejected by the spring rod 4-6 pushed upward from the bottom; with the cooperation of the cutting sheet 4-5 and the cutting cover 4-3, the extrusion sampling of the tobacco leaves is realized, and the sampled tobacco leaves remain in the cutting cylinder 4-4.

[0027] like Figure 1 , 3 As shown, the specific structure of the spring rod 4-6 is as follows: the spring rod 4-6 includes a push rod and a spring, the upper end of the push rod is adapted to be inside the cutting cylinder 4-4, and the lower end of the push rod is provided with a positioning ring located outside the cutting cylinder 4-4, and the spring is sleeved on the push rod and located between the cutting cylinder 4-4 and the positioning ring; the tobacco leaf sample can be pushed out of the cutting cylinder 4-4 by pressing the spring rod 4-6, and can be automatically reset under the action of the spring after being pushed out.

[0028] like Figure 1 -As shown, the specific structure of the battery module 2 is as follows: the battery module 2 includes a battery box 2-1 containing batteries and a connecting plate 2-2, a dovetail groove 2-3 is formed on the front side wall of the battery box 2-1, and the connecting plate 2-2 fixed to the rear end of the operating rod group 1 is inserted into the dovetail groove 2-3, and the battery is electrically connected to the screw 3-1 in the telescopic drive device 3 through a power cord; in the above structure, the connecting plate 2-2 is installed in the dovetail groove 2-3, so that the battery box 2-1 is reliably installed, and the battery is used to power the whole.

[0029] like Figure 1 , 3 As shown, the specific connection structure of the locking sleeve 6 is as follows: the locking sleeve 6 is an open sleeve with an opening on the outer circumferential wall of the lower end, and connecting plates 7 are fixed on both sides of the opening of the lower end of the locking sleeve 6. The locking sleeve 6 is sleeved on the front end of the operating rod group 1, and the rear end of the knife clamping arm 4-1 is located between the two connecting plates 7. The locking sleeve 6 and the operating rod group 1 and the knife clamping arm 4-1 are detachably fixed together by multiple bolts that fix the two connecting plates 7.

[0030] The user turns on the power by pressing the power switch 8. After the power is turned on, when sampling, the user controls the operating lever 1-1 to place the tobacco leaves between the cutting piece 4-5 and the cutting cover 4-3, and turns the pop-up switch 5 to make the spiral device 3-1 drive the inner spiral sleeve 3-2 to rotate. During the rotation, the outer telescopic rod 3-3 is retracted inside it, so that the cutting cylinder 4-4 and the cutting cover 4-3 are opened and closed. When opening and closing, the tobacco leaves are squeezed into the cutting cylinder 4-4 by the cutting piece 4-5. At this time, the tobacco leaves can be taken out by pressing the spring rod 4-6 to complete the sampling work.

[0031] The technical solution is to set a telescopic drive device 3 electrically connected to the power module 2 at the rear end of the operating rod group 1, and make the telescopic end of the telescopic drive device 3 hinged to the rear end of the clamping knife arm 4-2 in the sampling and cutting device 4. Under the drive of the telescopic drive device 3, the front end of the clamping knife arm 4-2 is moved up to cooperate with the front end of the clamping knife arm 4-1 to cut and sample the tobacco leaves, thereby realizing mechanized cutting and sampling of tobacco leaves, reducing the labor intensity of staff and improving work efficiency. The structure is simple, the design is novel, the disassembly and installation are convenient and quick, and the parts maintenance and replacement are convenient, thereby reducing the maintenance cost.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0033] 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. Tobacco leaf tissue positioning sampling shears, characterized by: The invention comprises an operating rod group (1), a locking sleeve (6) and a sampling and cutting device (4); a battery module (2) is fixed to the rear end of the operating rod group (1), and the front end of the operating rod group (1) is detachably fixedly connected to the locking sleeve (6); the bottom of the locking sleeve (6) is fixedly connected to the rear end of a knife clamping arm (4-1) in the sampling and cutting device (4); a telescopic driving device (3) electrically connected to the battery module (2) is provided in the operating rod group (1), and the telescopic end of the telescopic driving device (3) passes through the locking sleeve (6) and is hinged to the rear end of the knife clamping arm (4-2) in the sampling and cutting device (4); and under the drive of the telescopic driving device (3), the front end of the knife clamping arm (4-2) moves upward and cooperates with the front end of the knife clamping arm (4-1) to cut and sample tobacco leaves.

2. The tobacco leaf tissue positioning sampling shears according to claim 1, characterized in that: The operating rod assembly (1) comprises an operating rod (1-1) and a connecting tube (1-2); the connecting tube (1-2) is in a stepped structure with a front end outer diameter smaller than a rear end outer diameter; an external thread (1-4) is formed on the outer circumferential wall of the rear end of the connecting tube (1-2); a threaded hole (1-3) is formed on the front end surface of the operating rod (1-1); the external thread (1-4) at the rear end of the connecting tube (1-2) is adaptively connected to the threaded hole (1-3); the battery module (2) is fixed to the rear end of the operating rod (1-1); and a telescopic drive device (3) whose telescopic end passes through a locking sleeve (6) is arranged in the connecting tube (1-2).

3. The tobacco leaf tissue positioning sampling shears according to claim 2, characterized in that: The operating rod (1-1) is provided with a power switch (8) for controlling the on / off state of the electrical connection between the battery module (2) and the telescopic drive device (3), and the connecting tube (1-2) is provided with a spring switch (5) for controlling the start and stop of the screw (3-1) in the telescopic drive device (3).

4. The tobacco leaf tissue positioning sampling shears according to claim 1, characterized in that: The telescopic drive device (3) comprises a screw (3-1), wherein the screw (3-1) is electrically connected to the battery module (2) via a connector (3-4) fixed to the rear end, an internal threaded spiral sleeve (3-2) at the front end of the screw (3-1) is adaptively connected to an external threaded telescopic rod (3-3) extending through a locking sleeve (6), a front end of the external threaded telescopic rod (3-3) is hinged to a rear end of a knife clamping arm (4-2), and when the screw (3-1) drives the internal threaded spiral sleeve (3-2) to rotate, the external threaded telescopic rod (3-3) is extended forward or retracted.

5. The tobacco leaf tissue positioning sampling shears according to claim 1, characterized in that: The sampling and cutting device (4) comprises a knife clamping arm (4-1) and a knife clipping arm (4-2); the knife clamping arm (4-1) is in a V-shaped structure; the V-shaped corner of the knife clamping arm (4-1) is hinged to the lower front end of the knife clipping arm (4-2); the rear end of the knife clamping arm (4-1) is fixedly connected to the bottom of the locking sleeve (6); the front end of the knife clamping arm (4-1) is located above the front end of the knife clipping arm (4-2); and the front end of the knife clamping arm (4-1) is provided with a cutting cover. (4-3), and a cutting cylinder (4-4) corresponding to the position of the cutting cover (4-3) is fixed at the front end of the clamping knife arm (4-1), a cutting sheet (4-5) is fixed at the upper edge of the cutting cylinder (4-4), and a spring rod (4-6) whose upper end is adapted to be inside the cutting cylinder (4-4) is elastically installed at the bottom of the cutting cylinder (4-4), and the cut tobacco leaf sample located in the cutting cylinder (4-4) is ejected by the spring rod (4-6) pushed upward from the bottom.

6. The tobacco leaf tissue positioning sampling shears according to claim 5, characterized in that: The spring rod (4-6) comprises a push rod and a spring, the upper end of the push rod is adapted to fit inside the cutting cylinder (4-4), and the lower end of the push rod is provided with a positioning ring located outside the cutting cylinder (4-4), and the spring is sleeved on the push rod and located between the cutting cylinder (4-4) and the positioning ring.

7. The tobacco leaf tissue positioning sampling shears according to claim 1, characterized in that: The battery module (2) comprises a battery box (2-1) containing a battery and a connecting plate (2-2); a dovetail groove (2-3) is formed on the front side wall of the battery box (2-1); the connecting plate (2-2) fixed to the rear end of the operating rod group (1) is inserted into the dovetail groove (2-3); and the battery is electrically connected to the screw (3-1) in the telescopic drive device (3) via a power line.

8. The tobacco leaf tissue positioning sampling shears according to any one of claims 1 to 7, characterized in that: The locking sleeve (6) is an open sleeve with an opening on the outer circumferential wall of the lower end. Connecting plates (7) are fixed on both sides of the lower end opening of the locking sleeve (6). The locking sleeve (6) is sleeved on the front end of the operating rod group (1), and the rear end of the knife clamping arm (4-1) is located between the two connecting plates (7). The locking sleeve (6), the operating rod group (1) and the knife clamping arm (4-1) are detachably fixedly connected as a whole by a plurality of bolts that fix the two connecting plates (7).

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