CN219685797U - Accurate mucilage binding of cutting is put - Google Patents

Abstract

The utility model aims to solve the technical problem of providing the accurate glue cutting device which is convenient to operate, convenient to position and accurately cut and capable of effectively reducing the influence on experimental results. The device comprises a base; the upper surface of the base is provided with a rectangular cutting groove, and the front side wall and the right side wall of the cutting groove are respectively overlapped with the front side surface and the right side surface of the base; the upper surface of the base is provided with a first scale line along the front-back direction and is positioned at the left side of the left side wall of the cutting groove, and the upper surface of the base is provided with a second scale line along the left-right direction and is positioned at the rear side of the rear side wall of the cutting groove; the left side of cutting the recess is provided with first cutting assembly, and the right side of cutting the recess is provided with second cutting assembly, and first cutting assembly combines first scale mark to carry out the accurate cutting of left and right directions to the film, and second cutting assembly combines the accurate cutting of second scale mark to carry out the front and back direction to the film, is fit for popularizing and applying in biological experiment equipment technical field.

Description

Accurate mucilage binding of cutting is put

Technical Field

The utility model relates to the technical field of biological experiment equipment, in particular to a precise glue cutting device.

Background

In the experimental process of doing the cutting glue recovery, gel electrophoresis is often needed, the strip after the glue is run out can be seen under the illumination of ultraviolet light, but the long-term exposure of the hands and eyes of an operator to the ultraviolet light is not good, the sample is easy to mutate under the exposure of the ultraviolet light, and the operation in an instrument is also inconvenient, the sample is photographed by the instrument or the target strip is fast and is not accurately cut off under the illumination of the ultraviolet light directly, so that great waste is caused, or the cutting glue is too much, and the experimental result is affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the accurate glue cutting device which is convenient to operate, convenient to position and accurately cut and capable of effectively reducing the influence on experimental results.

The technical scheme adopted for solving the technical problems is as follows: the accurate glue cutting device comprises a base;

the upper surface of the base is provided with a rectangular cutting groove, and the front side wall and the right side wall of the cutting groove are respectively overlapped with the front side surface and the right side surface of the base;

the upper surface of the base is provided with a first scale mark along the front-back direction and is positioned at the left side of the left side wall of the cutting groove, and the upper surface of the base is provided with a second scale mark along the left-right direction and is positioned at the rear side of the rear side wall of the cutting groove;

the left side of cutting the recess is provided with first cutting assembly, the right side of cutting the recess is provided with the second cutting assembly, first cutting assembly combines first scale mark to carry out the accurate cutting of left and right directions to the film, the second cutting assembly combines the accurate cutting of second scale mark to carry out fore-and-aft direction to the film.

Further, the first cutting assembly comprises a first sliding rod, a first protection plate and a first cutting blade;

the front end and the rear end of the first slide bar are arranged on the base through first fixing bars and correspond to the first scale line up and down, the left end of the first protection plate is arranged on the first slide bar through a first slip ring, a first supporting block is arranged below the right end of the first protection plate, and when the first protection plate is horizontal, the first supporting block is in contact with the bottom of the cutting groove;

the upper surface of the first protection plate is provided with a first blade accommodating groove, and the first cutting blade is arranged in the first blade accommodating groove through a first rebound device;

the back of the first cutting blade is provided with a first pressing structure, and the first pressing structure is used for pushing the first cutting blade out of the first blade accommodating groove.

Further, the first rebound device comprises two first special-shaped blind holes arranged on the upper surface of the first protection plate and respectively positioned at the left side and the right side of the first blade storage groove;

each first special-shaped blind hole comprises a first round hole and a first rectangular hole, and the first rectangular holes are positioned between the first round holes and the first blade storage grooves and are respectively communicated with the first round holes and the first blade storage grooves;

a first circular plate matched with the first circular hole is arranged in the first circular hole, a first connecting block matched with the first circular plate is arranged in the first rectangular hole, one end of the first connecting block is connected with the side wall of the first circular plate, and the other end of the first connecting block is connected with one end of the first cutting blade;

each first circular hole is internally provided with a first compression spring, one end of each first compression spring is arranged on the lower surface of the corresponding first circular plate, the other end of each first compression spring is arranged at the bottom of the corresponding first circular hole, and in an initial state, the first compression springs are in a natural extension state, and the upper surfaces of the first circular plate, the first connecting block, the first cutting blade and the first protection plate are located on the same plane.

Further, the first pressing structure comprises a first pressing plate and a first pressing handle;

the front-back width of the first pressing plate is matched with the front-back width of the first blade storage groove, the lower end of the first pressing plate is arranged on the back of the first cutting blade and located in the middle of the length direction of the first cutting blade, the first pressing handle is arranged at the upper end of the first pressing plate, and the section of the first pressing handle is arc-shaped.

Further, the second cutting assembly comprises a second sliding rod, a second protection plate and a second cutting blade;

the left end and the right end of the second slide bar are arranged on the base through second fixing bars and correspond to the second scale marks in a vertical mode, the rear end of the second protection plate is arranged on the second slide bar through a second sliding ring, a second supporting block is arranged below the front end of the second protection plate, and when the second protection plate is horizontal, the second supporting block is in contact with the bottom of the cutting groove;

the upper surface of the second protection plate is provided with a second blade accommodating groove, and the second cutting blade is arranged in the second blade accommodating groove through a second rebound device;

the second pressing structure is arranged on the knife back of the second cutting blade and used for pushing the second cutting blade out of the second blade accommodating groove.

Further, the second rebound device comprises two second special-shaped blind holes arranged on the upper surface of the second protection plate and respectively positioned at the front side and the rear side of the second blade storage groove;

each second special-shaped blind hole comprises a second round hole and a second rectangular hole, and the second rectangular holes are positioned between the second round holes and the second blade storage groove and are respectively communicated with the second round holes and the second blade storage groove;

a second circular plate matched with the second circular hole is arranged in the second circular hole, a second connecting block matched with the second circular hole is arranged in the second rectangular hole, one end of the second connecting block is connected with the side wall of the second circular plate, and the other end of the second connecting block is connected with one end of a second cutting blade;

every second circular hole is interior all to be provided with second compression spring, the one end setting of second compression spring is at the lower surface that corresponds the second circular plate, the other end setting of second compression spring is at the hole bottom of the second circular hole that corresponds, and during initial state, second compression spring is in the natural extension state and the upper surface of second circular plate, second connecting block, second cutting blade, the fourth of second guard plate is located the coplanar.

Further, the second pressing structure comprises a second pressing plate and a second pressing handle;

the width around the second pressing board and the width phase-match about the second blade accomodates the groove, the lower extreme setting of second pressing board is on the back of a knife blade of second cutting blade and be located second cutting blade length direction's middle part, the second presses the handle setting in the upper end of second pressing board, the cross-section of second pressing the handle is the arc.

Further, a first locating plate is arranged on the left side wall of the cutting groove, the length of the first locating plate is the same as that of the left side wall of the cutting groove, and when the first cutting blade is horizontal, the right side surface of the first locating plate and the left end surface of the first cutting blade are located on the same plane; the cutting groove is characterized in that a second locating plate is arranged on the rear side wall of the cutting groove, the left end face of the second locating plate is connected with the right side surface of the first locating plate, the right end face of the second locating plate is coincident with the right side wall of the cutting groove, and when the second cutting blade is horizontal, the front side surface of the second locating plate and the rear end surface of the second cutting blade are located on the same plane.

Further, the first pressing handle and the second pressing handle are respectively covered with a hand protection pad made of flexible materials.

Further, the base is made of transparent plastic materials.

The beneficial effects of the utility model are as follows:

the film can be precisely cut in the left-right direction through the matching of the arranged first scale marks and the first cutting components, and can be precisely cut in the front-back direction through the matching of the arranged second scale marks and the second cutting components, so that the influence on experimental results is effectively reduced; in addition, the first cutting assembly and the second cutting assembly are mutually independent and are not mutually influenced, so that the operation is convenient.

Drawings

FIG. 1 is a schematic structural view of the precise glue cutting device according to the present utility model;

FIG. 2 is a schematic view of a first cutting assembly according to the present utility model;

fig. 3 is a schematic cross-sectional view of a first shield plate according to the present utility model;

fig. 4 is a top view of a first shield plate according to the present utility model;

FIG. 5 is a schematic view of a second cutting assembly according to the present utility model;

fig. 6 is a schematic cross-sectional view of a second shield plate according to the present utility model;

fig. 7 is a top view of a second shield plate according to the present utility model;

the figure indicates: the base 1, the cutting groove 2, the first scale line 3, the second scale line 4, the first cutting assembly 5, the first slide bar 501, the first protection plate 502, the first cutting blade 503, the first slip ring 504, the first blade receiving groove 6, the first special-shaped blind hole 7, the first circular hole 701, the first rectangular hole 702, the first circular plate 8, the first connecting block 9, the first compression spring 10, the first pressing plate 11, the first pressing handle 12, the second cutting assembly 13, the second slide bar 1301, the second protection plate 1302, the second cutting blade 1303, the second slip ring 1304, the second blade receiving groove 14, the second special-shaped blind hole 15, the second circular hole 1501, the second rectangular hole 1502, the second circular plate 16, the second connecting block 17, the second compression spring 18, the second pressing plate 19, the second pressing handle 20, the first positioning plate 21, the second positioning plate 22, the first supporting block 23, the second supporting block 24, the first fixing rod 25, and the second fixing rod 26.

Detailed Description

The following detailed description of the utility model will be further understood with reference to the drawings, in which embodiments described are merely some, but not all, examples of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, all directional indicators such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model, but merely serve to explain the relative positional relationships, movement situations, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1-7, the precise glue cutting device comprises a base 1, wherein the shape of the base 1 is generally rectangular;

the upper surface of the base 1 is provided with a rectangular cutting groove 2, and the front side wall and the right side wall of the cutting groove 2 are respectively overlapped with the front side surface and the right side surface of the base 1;

the upper surface of the base 1 is provided with a first scale mark 3 along the front-back direction and is positioned on the left side wall of the cutting groove 2, the upper surface of the base 1 is provided with a second scale mark 4 along the left-right direction and is positioned on the rear side wall of the cutting groove 2, the area surfaces of the first scale mark 3 and the second scale mark 4 are inclined planes, namely the sections of the part of the base 1 positioned on the left side of the cutting groove 2 and the part of the base 1 positioned on the rear side of the cutting groove 2 are right-angle trapezoid, so that the scale marks are in an inclined state, and the scale marks are conveniently checked and aligned;

the left side of cutting recess 2 is provided with first cutting assembly 5, the right side of cutting recess 2 is provided with second cutting assembly 13, first cutting assembly 5 combines first scale mark 3 to carry out the accurate cutting of left and right directions to the film, second cutting assembly 13 combines second scale mark 4 to carry out the accurate cutting of fore-and-aft direction to the film.

As shown in fig. 1, 2, 3 and 4, in the present embodiment, preferably, the first cutting assembly 5 includes a first sliding rod 501, a first protection plate 502 and a first cutting blade 503;

the front end and the rear end of the first slide bar 501 are both arranged on the base 1 through the first fixing rod 25 and vertically correspond to the first scale mark 3, the left end of the first protection plate 502 is arranged on the first slide bar 501 through the first slide ring 504, namely, the first slide ring 504 is sleeved on the first slide bar 501, the left end of the first protection plate 502 is arranged on the outer side wall of the first slide ring 504, the first slide ring 504 can slide along the length direction of the first slide bar 501 and can rotate by taking the first slide bar 501 as a rotating shaft, a first supporting block 23 is arranged below the right end of the first protection plate 502, and when the first protection plate 502 is in a horizontal state, the first supporting block 23 contacts with the bottom of the cutting groove 2, and supports the left end and the right end of the first protection plate 502 through the first supporting block 23 and the first slide ring 504, so that the subsequent first cutting blade 503 can be pushed out conveniently;

the upper surface of the first protection plate 502 is provided with a first blade accommodating groove 6, the first blade accommodating groove 6 completely penetrates through the first protection plate 502 from top to bottom, the depth of the first blade accommodating groove 6 is larger than the upper width and the lower width of the first cutting blade 503, the first cutting blade 503 can be completely accommodated in the first blade accommodating groove 6, the first blade accommodating groove 6 is matched with the first cutting blade 503, the first cutting blade 503 is arranged in the first blade accommodating groove 6 through a first rebound device, the first rebound device is used for enabling the first cutting blade 503 to retract into the first blade accommodating groove 6 under the action of no external force, and the first blade accommodating groove 6 is accommodated in time through the first blade accommodating groove 6 to avoid the risk of accidental cuts when not in use;

the back of the first cutting blade 503 is provided with a first pressing structure, the first pressing structure is used for pushing the first cutting blade 503 out of the first blade accommodating groove 6, downward thrust is applied to the first pressing structure, the first cutting blade 503 can be pushed out of the first blade accommodating groove 6 downwards, cutting can be achieved until the cutting edge is in contact with the groove bottom of the cutting groove 2, and after the cutting is completed, the first cutting blade can be accommodated in the first blade accommodating groove 6 by slowly loosening hands through the first rebound device.

As shown in fig. 3 and 4, in this embodiment, preferably, the first rebound device includes two first shaped blind holes 7 disposed on the upper surface of the first protection plate 502 and located on the left and right sides of the first insert receiving slot 6, respectively;

each first irregularly-shaped blind hole 7 comprises a first circular hole 701 and a first rectangular hole 702, and the first rectangular holes 702 are positioned between the first circular hole 701 and the first insert receiving groove 6 and are respectively communicated with the first circular hole 701 and the first insert receiving groove 6;

a first circular plate 8 matched with the first circular hole 701 is arranged in the first circular hole 701, a first connecting block 9 matched with the first circular hole 702 is arranged in the first rectangular hole 702, one end of the first connecting block 9 is connected with the side wall of the first circular plate 8, and the other end of the first connecting block 9 is connected with one end of the first cutting blade 503;

each first circular hole 701 is internally provided with a first compression spring 10, one end of the first compression spring 10 is arranged on the lower surface of the corresponding first circular plate 8, the other end of the first compression spring 10 is arranged at the bottom of the corresponding first circular hole 701, in an initial state, the first compression spring 10 is in a natural extension state, the upper surfaces of the first circular plate 8, the first connecting block 9, the first cutting blade 503 and the first protection plate 502 are located on the same plane, downward thrust is applied to the first pressing structure, the first cutting blade 503 is subjected to downward thrust, the first compression spring 10 is compressed, when the first compression spring 10 is fully compressed, the cutting edge of the first cutting blade 503 is in contact with the bottom of the cutting groove 2, after cutting is completed, the hand is slowly loosened, the first compression spring 10 recovers elastic deformation, and then upward thrust is applied to the first circular plate 8, and the first cutting blade 503 is driven to move upward, so that the first cutting blade 503 is retracted into the first blade storage groove 6.

As shown in fig. 2, in the present embodiment, preferably, the first pressing structure includes a first pressing plate 11 and a first pressing handle 12;

the front-back width of the first pressing plate 11 is matched with the front-back width of the first blade storage groove 6, the lower end of the first pressing plate 11 is arranged at the middle part of the back of the first cutting blade 503 in the length direction of the first cutting blade 503, the upper-lower width of the first pressing plate 11 is smaller than or equal to the depth of the first blade storage groove 6, the first pressing handle 12 is arranged at the upper end of the first pressing plate 11, the section of the first pressing handle 12 is arc-shaped, the arc-shaped shape is designed to be convenient for fitting the hand radian, and the operation is convenient.

As shown in fig. 1, 5, 6 and 7, in the present embodiment, preferably, the second cutting assembly 13 includes a second sliding rod 1301, a second protection plate 1302 and a second cutting blade 1303;

the left end and the right end of the second slide bar 1301 are both arranged on the base 1 through a second fixing rod 26 and vertically correspond to the second scale marks 4, the rear end of the second protection plate 1302 is arranged on the second slide bar 1301 through a second sliding ring 1304, namely, the second sliding ring 1304 is sleeved on the second slide bar 1301, the rear end of the second protection plate 1302 is arranged on the outer side wall of the second sliding ring 1304, the second sliding ring 1304 can slide along the length direction of the second slide bar 1301 and can rotate by taking the second slide bar 1301 as a rotating shaft, a second supporting block 24 is arranged below the front end of the second protection plate 1302, when the second protection plate 1302 is horizontal, the second supporting block 24 is in contact with the bottom of the cutting groove 2, and the front end and the rear end of the second protection plate 1302 are supported through the second supporting block 24 and the second sliding ring, so that the subsequent second cutting blade 1303 can be pushed out conveniently;

the upper surface of the second protection plate 1302 is provided with a second blade receiving groove 14, the second blade receiving groove 14 completely penetrates through the second protection plate 1302 from top to bottom, the depth of the second blade receiving groove 14 is larger than the vertical width of the second cutting blade 1303, so that the second cutting blade 1303 can be completely received in the second blade receiving groove 14, the second blade receiving groove 14 is matched with the second cutting blade 1303, the second cutting blade 1303 is arranged in the second blade receiving groove 14 through a second rebound device, the second rebound device is used for retracting the second cutting blade 1303 into the second blade receiving groove 14 under the action of no external force, and the second blade receiving groove 14 is used for timely receiving the second cutting blade 1303 when not in use so as to avoid the risk of accidental cuts;

the second pressing structure is arranged on the back of the second cutting blade 1303 and is used for pushing the second cutting blade 1303 out of the second blade accommodating groove 14, downward pushing force is applied to the second pressing structure, the second cutting blade 1303 can be pushed out of the second blade accommodating groove 14 downwards until the cutting edge contacts with the groove bottom of the cutting groove 2, cutting can be achieved, and after cutting is completed, the second cutting blade 1303 can be accommodated in the second blade accommodating groove 14 through the second rebound device.

As shown in fig. 6 and 7, in the present embodiment, preferably, the second rebound device includes two second profiled blind holes 15 provided on an upper surface of the second protection plate 1302 and located on front and rear sides of the second insert receiving slot 14, respectively;

each second shaped blind hole 15 comprises a second circular hole 1501 and a second rectangular hole 1502, the second rectangular hole 1502 being located between and in communication with the second circular hole 1501 and the second insert receiving slot 14, respectively;

a second circular plate 16 matched with the second circular hole 1501 is arranged in the second circular hole 1501, a second connecting block 17 matched with the second circular hole 1502 is arranged in the second rectangular hole, one end of the second connecting block 17 is connected with the side wall of the second circular plate 16, and the other end of the second connecting block 17 is connected with one end of a second cutting blade 1303;

each second circular hole 1501 is internally provided with a second compression spring 18, one end of the second compression spring 18 is disposed on the lower surface of the corresponding second circular plate 16, the other end of the second compression spring 18 is disposed at the bottom of the corresponding second circular hole 1501, in an initial state, the second compression spring 18 is in a natural extension state, the upper surfaces of the second circular plate 16, the second connecting block 17, the second cutting blade 1303 and the second protection plate 1302 are located on the same plane, downward thrust is applied to the second pressing structure, the second cutting blade 1303 is subjected to downward thrust, the second compression spring 18 is compressed, when the second compression spring 18 is fully compressed, the cutting edge of the second cutting blade 1303 contacts with the bottom of the cutting groove 2, after cutting is completed, the hand is slowly loosened, the second compression spring 18 recovers elastic deformation, and then upward thrust is applied to the second circular plate 16, and the second cutting blade 1303 is driven to move upward, so that the second cutting blade 1303 is retracted into the second blade accommodating groove 14.

As shown in fig. 5, in the present embodiment, preferably, the second pressing structure includes a second pressing plate 19, a second pressing handle 20;

the front-back width of the second pressing plate 19 is matched with the front-back width of the second blade accommodating groove 14, the lower end of the second pressing plate 19 is arranged on the back of the second cutting blade 1303 and is located in the middle of the length direction of the second cutting blade 1303, the upper-lower width of the second pressing plate 19 is smaller than or equal to the depth of the second blade accommodating groove 14, the second pressing handle 20 is arranged at the upper end of the second pressing plate 19, the section of the second pressing handle 20 is arc-shaped, the arc-shaped section is designed to be convenient for fitting the hand radian, and the operation is convenient.

As shown in fig. 1, in this embodiment, in order to ensure complete cutting of the film and positioning and placement of the film, a first positioning plate 21 is disposed on the left side wall of the cutting groove 2, the length of the first positioning plate 21 is the same as the length of the left side wall of the cutting groove 2, and when the first cutting blade 503 is horizontal, the right side surface of the first positioning plate 21 and the left end surface of the first cutting blade 503 are located on the same plane; the second positioning plate 22 is arranged on the rear side wall of the cutting groove 2, the left end face of the second positioning plate 22 is connected with the right side surface of the first positioning plate 21, the right end face of the second positioning plate 22 is overlapped with the right side wall of the cutting groove 2, when the second cutting blade 1303 is horizontal, the front side surface of the second positioning plate 22 and the rear end surface of the second cutting blade 1303 are positioned on the same plane, the first positioning plate 21 and the second positioning plate 22 are mutually perpendicular, due to the fact that a gap exists between the left end of the first cutting blade 503 and the left side wall of the cutting groove 2, the situation that the cutting of the left side edge of a film is incomplete can occur when the left side of the film is clung to the left side wall of the cutting groove 2, and similarly, the situation that the cutting of the left side edge of the film is incomplete when the rear side of the film is clung to the rear side wall of the cutting groove 2 can occur when the first positioning plate 21 and the second positioning plate 22 are arranged, the left side edge of the film is completely positioned below the first cutting blade 503, and the second positioning plate 1303 is completely positioned below the second cutting blade 21, and the positioning plate is mutually perpendicular can be guaranteed, and the positioning of the film is mutually convenient.

In this embodiment, in order to improve the comfort level of the operation, the first pressing handle 12 and the second pressing handle 20 are both covered with a hand protection pad made of a flexible material, and discomfort caused by direct contact with the pressing handles can be eliminated through the hand protection pad.

In this embodiment, preferably, the base 1 is made of transparent plastic, so that on one hand, the operation is convenient, and on the other hand, the base is corrosion-resistant and durable, and the service life of the base is prolonged.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (10)

1. Accurate surely glue device, its characterized in that: comprises a base (1);

the upper surface of the base (1) is provided with a rectangular cutting groove (2), and the front side wall and the right side wall of the cutting groove (2) are respectively overlapped with the front side surface and the right side surface of the base (1);

the upper surface of the base (1) is provided with first scale marks (3) along the front-back direction and is positioned on the left side wall of the cutting groove (2), and the upper surface of the base (1) is provided with second scale marks (4) along the left-right direction and is positioned on the rear side wall of the cutting groove (2);

the left side of cutting recess (2) is provided with first cutting subassembly (5), the right side of cutting recess (2) is provided with second cutting subassembly (13), first cutting subassembly (5) combine first scale mark (3) to carry out the accurate cutting of left and right directions to the film, second cutting subassembly (13) combine second scale mark (4) to carry out the accurate cutting of fore-and-aft direction to the film.

2. The precise glue cutting device according to claim 1, wherein: the first cutting assembly (5) comprises a first sliding rod (501), a first protection plate (502) and a first cutting blade (503);

the front end and the rear end of the first slide bar (501) are arranged on the base (1) through first fixing rods (25) and vertically correspond to the first scale line (3), the left end of the first protection plate (502) is arranged on the first slide bar (501) through a first slip ring (504), a first supporting block (23) is arranged below the right end of the first protection plate (502), and when the first protection plate (502) is horizontal, the first supporting block (23) is in contact with the bottom of the cutting groove (2);

the upper surface of the first protection plate (502) is provided with a first blade accommodating groove (6), and the first cutting blade (503) is arranged in the first blade accommodating groove (6) through a first rebound device;

the back of the first cutting blade (503) is provided with a first pressing structure which is used for pushing the first cutting blade (503) out of the first blade accommodating groove (6).

3. The precise glue cutting device according to claim 2, wherein: the first rebound device comprises two first special-shaped blind holes (7) which are arranged on the upper surface of the first protection plate (502) and are respectively positioned at the left side and the right side of the first blade accommodating groove (6);

each first special-shaped blind hole (7) comprises a first round hole (701) and a first rectangular hole (702), and the first rectangular holes (702) are positioned between the first round holes (701) and the first blade containing groove (6) and are respectively communicated with the first round holes and the first blade containing groove;

a first circular plate (8) matched with the first circular hole (701) is arranged in the first circular hole (701), a first connecting block (9) matched with the first rectangular hole is arranged in the first rectangular hole (702), one end of the first connecting block (9) is connected with the side wall of the first circular plate (8), and the other end of the first connecting block (9) is connected with one end of the first cutting blade (503);

all be provided with first compression spring (10) in every first circular hole (701), the one end setting of first compression spring (10) is at the lower surface of corresponding first circular plate (8), the other end setting of first compression spring (10) is at the hole bottom of corresponding first circular hole (701), and during initial state, first compression spring (10) are in natural extension state and first circular plate (8), first connecting block (9), first cutting blade (503), the upper surface of first guard plate (502) four is located the coplanar.

4. A precision glue cutting device according to claim 3, characterized in that: the first pressing structure comprises a first pressing plate (11) and a first pressing handle (12);

the front-back width of the first pressing plate (11) is matched with the front-back width of the first blade storage groove (6), the lower end of the first pressing plate (11) is arranged on the back of the first cutting blade (503) and located in the middle of the length direction of the first cutting blade (503), the first pressing handle (12) is arranged at the upper end of the first pressing plate (11), and the section of the first pressing handle (12) is arc-shaped.

5. The precise glue cutting device according to claim 4, wherein: the second cutting assembly (13) comprises a second sliding rod (1301), a second protection plate (1302) and a second cutting blade (1303);

the left end and the right end of the second slide bar (1301) are arranged on the base (1) through second fixing rods (26) and vertically correspond to second scale marks (4), the rear end of the second protection plate (1302) is arranged on the second slide bar (1301) through a second sliding ring (1304), a second supporting block (24) is arranged below the front end of the second protection plate (1302), and when the second protection plate (1302) is horizontal, the second supporting block (24) is in contact with the bottom of the cutting groove (2);

the upper surface of the second protection plate (1302) is provided with a second blade receiving groove (14), and the second cutting blade (1303) is arranged in the second blade receiving groove (14) through a second rebound device;

the back of the second cutting blade (1303) is provided with a second pressing structure for pushing the second cutting blade (1303) out of the second blade receiving groove (14).

6. The precise glue cutting device according to claim 5, wherein: the second rebound device comprises two second special-shaped blind holes (15) which are arranged on the upper surface of the second protection plate (1302) and are respectively positioned at the front side and the rear side of the second blade accommodating groove (14);

each second special-shaped blind hole (15) comprises a second round hole (1501) and a second rectangular hole (1502), and the second rectangular holes (1502) are positioned between the second round holes (1501) and the second blade receiving groove (14) and are respectively communicated with the second round holes (1501) and the second blade receiving groove;

a second circular plate (16) matched with the second circular hole (1501) is arranged in the second circular hole (1501), a second connecting block (17) matched with the second circular hole is arranged in the second rectangular hole (1502), one end of the second connecting block (17) is connected with the side wall of the second circular plate (16), and the other end of the second connecting block (17) is connected with one end of a second cutting blade (1303);

every second circular hole (1501) is interior all to be provided with second compression spring (18), the one end setting of second compression spring (18) is at the lower surface of corresponding second circular plate (16), the other end setting of second compression spring (18) is at the hole bottom of corresponding second circular hole (1501), and during initial state, second compression spring (18) are in the natural extension state and second circular plate (16), second connecting block (17), second cutting blade (1303), the upper surface of second guard plate (1302) four is located the coplanar.

7. The precise glue cutting device of claim 6, wherein: the second pressing structure comprises a second pressing plate (19) and a second pressing handle (20);

the width around second press board (19) and the width phase-match about second blade storage tank (14), the lower extreme setting of second press board (19) is on the back of a knife of second cutting blade (1303) and is located the middle part of second cutting blade (1303) length direction, second press handle (20) set up the upper end at second press board (19), the cross-section of second press handle (20) is the arc.

8. The precise glue cutting device of claim 7, wherein: the left side wall of the cutting groove (2) is provided with a first positioning plate (21), the length of the first positioning plate (21) is the same as that of the left side wall of the cutting groove (2), and when the first cutting blade (503) is horizontal, the right side surface of the first positioning plate (21) and the left end surface of the first cutting blade (503) are positioned on the same plane; the cutting groove is characterized in that a second locating plate (22) is arranged on the rear side wall of the cutting groove (2), the left end face of the second locating plate (22) is connected with the right side surface of the first locating plate (21), the right end face of the second locating plate (22) is overlapped with the right side wall of the cutting groove (2), and when the second cutting blade (1303) is in a horizontal state, the front side surface of the second locating plate (22) and the rear end face of the second cutting blade (1303) are located on the same plane.

9. The precise glue cutting device of claim 8, wherein: the first pressing handle (12) and the second pressing handle (20) are respectively covered with a hand protection pad made of flexible materials.

10. The precise glue cutting device of claim 9, wherein: the base (1) is made of transparent plastic materials.