CN113686225B

CN113686225B - Plate thickness measuring tool

Info

Publication number: CN113686225B
Application number: CN202111251440.0A
Authority: CN
Inventors: 黄欢; 石雷生; 黄乐乐
Original assignee: Pizhou Happy Wood Industry Co ltd
Current assignee: Pizhou Happy Wood Industry Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-15
Anticipated expiration: 2041-10-27
Also published as: CN113686225A

Abstract

The invention relates to the technical field of measuring tools, in particular to a plate thickness measuring tool, which comprises a measuring structure, wherein the measuring structure is connected with a limiting structure for quickly determining the thickness of a required plate, one end of the measuring structure is provided with a calibrating structure for calibrating the measuring structure, the measuring structure is provided with a limiting structure, one end of the measuring structure is provided with a marking structure, and the measuring structure is connected with a control structure for controlling the marking structure to work; the accurate lateral measurement can be carried out to the thickness of plank through measuring the structure, can confirm required plank thickness fast through injecing the structure to select qualified plank thickness fast, can calibrate measurement structure through calibration structure, can carry out spacingly to measuring the structure after measuring the thickness of plank through limit structure, can mark the plank that accords with the within range after detecting through mark structure, can control mark structure through control structure and carry out work.

Description

Plate thickness measuring tool

Technical Field

The invention relates to the technical field of measuring tools, in particular to a plate thickness measuring tool.

Background

The measuring tool is mainly used for measuring related data such as thickness, length and the like of an object, different measuring tools are needed according to different measuring targets, the thickness of the wood board needs to be measured in the processing process of the wood board, and therefore whether the wood board is processed qualified or not is determined, and the measuring tool for the thickness of the wood board is needed in the measuring process.

At present, the thickness of the wood board is usually detected by a caliper, the traditional caliper is not provided with a limiting function, deviation easily occurs when data are read, the caliper cannot limit certain length, the wood board is not convenient to carry out quick comparison and detection, the automatic marking function is not realized, and manual marking is needed.

Disclosure of Invention

The invention provides a plate thickness measuring tool aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a plate thickness measuring tool comprises a measuring structure, wherein the measuring structure is connected with a limiting structure used for rapidly determining the thickness of a required wood board, one end of the measuring structure is provided with a calibrating structure used for calibrating the measuring structure, the measuring structure is provided with a limiting structure used for limiting the movement of the measuring structure, one end of the measuring structure is provided with a marking structure used for marking the wood board, and the measuring structure is connected with a control structure used for controlling the marking structure to work;

the limiting structure comprises a limiting block, the measuring structure is connected with the limiting block, the measuring structure is connected with a limiting screw rod, the limiting block is in threaded connection with the limiting screw rod, the measuring structure is connected with a sliding rod, the limiting block is in sliding connection with the sliding rod, and marked lines are carved on the measuring structure.

The utility model discloses a measuring structure, it includes the bottom plate to measure the structure, bottom plate sliding connection has the touch panel, be connected with the scale on the touch panel, fixedly connected with promotes the spring between bottom plate and the conflict board, the bottom plate is close to the one end in scale and is equipped with the observation groove, the one end that the bottom plate is located the observation groove is equipped with the mark piece, the bottom of touch panel is contradicted with the one end of limiting the piece, it rotates with the bottom plate to inject lead screw and is connected, slide bar and bottom plate fixed connection, limiting block and bottom plate sliding connection, the marking is close to the one end in injecing the lead screw in the bottom plate, the mark piece is three horn shapes, the observation groove is the rectangle form, the one end of touch panel is trapezoidal form.

Specifically, the calibration structure includes calibration lead screw, the one end of touch panel is rotated and is connected with calibration lead screw, calibration lead screw's one end and scale threaded connection, be equipped with the sliding tray on the touch panel, the scale passes through sliding tray and conflict board sliding connection, fixedly connected with calibration spring between scale and the conflict board.

Specifically, limit structure includes the dwang, the bottom plate rotates and is connected with the dwang, it has the torsional spring to conflict between dwang and the bottom plate, the one end fixedly connected with of dwang touch multitouch, bottom plate sliding connection gag lever post, touch multitouch and gag lever post are contradicted, the touch multitouch is close to and is equipped with the spacing groove in the one end of touch multitouch, the gag lever post passes through spacing groove and conflict board sliding connection, the one end fixedly connected with rubber ring of gag lever post, the bottom and the conflict board of rubber ring are contradicted, the bottom of gag lever post is rectangular block shape, the tangent plane of gag lever post is "T" shape.

Specifically, the mark structure includes the china ink room, the one end of bottom plate is equipped with the china ink room, the bottom plate is close to the one end sliding connection in the china ink room and has the mark piece, the bottom plate is close to the one end threaded connection in the china ink room and has the nut, the china ink room passes through nut and outside intercommunication, the one end fixedly connected with slip pipe of mark piece, sliding connection between slip pipe and the bottom plate, the inside fixedly connected with water conservancy diversion fibre of slip pipe, water conservancy diversion fibre's one end and mark piece fixed connection, fixedly connected with extension spring between the one end of slip pipe and the bottom plate, the mark piece is the rectangle form, the slip pipe is cylindricly.

Specifically, the control structure includes the catch bar, the bottom plate is close to the one end sliding connection who is close to in the slip pipe has the catch bar, a pair of catch block of top fixedly connected with of catch bar, and is a pair of the one end of catch block is contradicted with the one end of mark piece, the one end sliding connection that the bottom plate is close to in the control lever has the control lever, fixedly connected with control spring between control lever and the catch bar is a pair of the catch block all is three horn shapes, the catch bar is "L" shape, the both ends of control lever all are "L" shape.

The invention has the beneficial effects that:

(1) the invention relates to a plate thickness measuring tool, which comprises a measuring structure, wherein the measuring structure is connected with a limiting structure used for limiting the measuring thickness range of a wood plate, the thickness of the wood plate can be accurately measured through the measuring structure, the thickness of the required wood plate can be quickly determined through the limiting structure, and therefore the qualified wood plate thickness can be quickly screened out, namely: observing the device, pulling the touch plate to generate a gap between the touch plate and the bottom plate, compressing the push spring to ensure that the touch plate can slide, loosening the touch plate, resetting the touch plate under the action of the push spring, observing through the observation groove when the touch plate is in touch with the bottom plate, observing whether the mark block points to the zero position of the scale (with scales on the scale) and needs to be calibrated when the mark block does not point to the zero position, rotating the limiting screw rod when the wood plate with the same specification requirement is required to be detected, driving the limiting block to move along the slide rod by the limiting screw rod, driving the touch plate to move, driving the limiting block to move to the required scales according to the scales so as to form the specified distance between the touch plate and the bottom plate, wherein the scales on the indication of the mark block are the specified scales, so that the wood plate required to be detected can be directly inserted between the touch plate and the bottom plate, one end of the touch plate is in a trapezoidal shape, the plank of being convenient for inserts, and the plank that is greater than regulation thickness inserts the back, will promote the conflict board motion, makes the scale data will change, and when being less than specification thickness, the plank inserts the non-resistance, and resistance when qualified inserts, the data fluctuation back that the mark piece points is stable unchangeable, and qualified plank alright pushes it into the bottom and contradicts with the bottom plate, presses the control lever to be convenient for mark it, thereby be convenient for detect out qualified plank fast.

(2) According to the plate thickness measuring tool, one end of the measuring structure is provided with the calibrating structure used for calibrating the measuring structure, the measuring structure is provided with the limiting structure used for limiting the movement of the measuring structure, the measuring structure can be calibrated through the calibrating structure, and the measuring structure can be limited after the thickness of a wood plate is measured through the limiting structure, namely: rotate the calibration lead screw, the calibration lead screw will drive the scale and follow the sliding tray motion, just reverse through control calibration lead screw alright control scale's reciprocating motion, thereby make the scale slide on the conflict board, calibration spring is in compression state, promote the scale and closely contradict with the calibration lead screw, thereby make the calibration lead screw be difficult for rotating, press the dwang, the torsional spring will compress, the dwang will promote to conflict piece and gag lever post conflict, and press the gag lever post through the conflict piece and move to the spacing inslot portion, thereby make the tight conflict of rubber circle and conflict board, thereby the motion of restriction conflict board, alright read the data on the scale through the mark piece.

(3) According to the plate thickness measuring tool, one end of the measuring structure is provided with the marking structure for marking the wood plate, the measuring structure is connected with the control structure for controlling the marking structure to work, the wood plate which is detected to be in a conforming range can be marked through the marking structure, and the marking structure can be controlled to work through the control structure, namely: pulling the touch plate open, placing the wood plate to be measured between the touch plate and the bottom plate, making one end of the wood plate touch one side of the bottom plate, loosening the touch plate, touching the other side of the wood plate by the touch plate under the action of the push spring, pushing the wood plate to touch the bottom plate, pushing the control rod to move towards the bottom plate by the wood plate, compressing the push control spring by the control rod, pushing the push rod to move towards the control rod by the control spring, thus making the push rod pull the push block to move, the push block is triangular, thus pushing the mark block to move towards the wood plate and touch the wood plate, thus marking the wood plate, making ink print on the wood plate, simultaneously driving the sliding tube and the guide fiber to move towards the mark block, thus extending the tension spring, when the mark block touches the wood plate, the push block will not move, the control spring will further compress, in order to satisfy the demand of control lever downstream, read the completion back, loosen the dwang, remove spacing to the touch panel, alright extract the plank, the touch panel will reset under the effect that promotes the spring, the plank breaks away from with the control lever, under the effect of extension spring, will stimulate sliding tube and mark piece and reset, thereby promote the promotion piece to deviating from in the motion of control spring direction, thereby make and promote the piece and drive the catch bar and reset, the nut of unscrewing alright add the ink to the ink chamber, the ink will enter into the mark piece through the water conservancy diversion fibre, thereby supply the ink for the mark piece.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall structure diagram of a preferred embodiment of a sheet thickness measuring tool according to the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of a connection structure of a measurement structure and a calibration structure according to the present invention;

FIG. 4 is an enlarged view of the structure of the portion B shown in FIG. 3;

FIG. 5 is a schematic view of a connection structure of the measurement structure and the position limiting structure according to the present invention;

fig. 6 is an enlarged view of the structure of the portion C shown in fig. 5.

In the figure: 1. a measurement structure; 101. a base plate; 102. a touch plate; 103. a scale; 104. marking blocks; 105. observing the groove; 106. a push spring; 2. defining a structure; 201. a limiting block; 202. marking lines; 203. a limiting screw rod; 204. a slide bar; 3. a calibration structure; 301. calibrating a screw rod; 302. a sliding groove; 303. calibrating the spring; 4. a limiting structure; 401. rotating the rod; 402. a limiting groove; 403. a contact block; 404. a torsion spring; 405. a rubber ring; 406. a limiting rod; 5. a marker structure; 501. a nut; 502. marking a block; 503. an ink chamber; 504. a sliding tube; 505. flow guide fibers; 506. a tension spring; 6. a control structure; 601. a control lever; 602. a pushing block; 603. a push rod; 604. the spring is controlled.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the plate thickness measuring tool according to the present invention includes a measuring structure 1, wherein the measuring structure 1 is connected to a limiting structure 2 for quickly determining a required wood board thickness, a calibrating structure 3 for calibrating the measuring structure 1 is installed at one end of the measuring structure 1, a limiting structure 4 for limiting the movement of the measuring structure 1 is installed on the measuring structure 1, a marking structure 5 for marking a wood board is installed at one end of the measuring structure 1, and the measuring structure 1 is connected to a control structure 6 for controlling the marking structure 5 to work;

the limiting structure 2 comprises a limiting block 201, the measuring structure 1 is connected with the limiting block 201, the measuring structure 1 is connected with a limiting screw rod 203, the limiting block 201 is in threaded connection with the limiting screw rod 203, the measuring structure 1 is connected with a sliding rod 204, the limiting block 201 is in sliding connection with the sliding rod 204, and the measuring structure 1 is engraved with a marked line 202.

Specifically, the measuring structure 1 includes a bottom plate 101, the bottom plate 101 is slidably connected with a touch plate 102, the touch plate 102 is connected with a scale 103, a push spring 106 is fixedly connected between the bottom plate 101 and the touch plate 102, an observation groove 105 is formed in one end, close to the scale 103, of the bottom plate 101, a mark block 104 is arranged at one end, located in the observation groove 105, of the bottom plate 101, the bottom end of the touch plate 102 is in touch with one end of a limiting block 201, the limiting screw rod 203 is rotatably connected with the bottom plate 101, the sliding rod 204 is fixedly connected with the bottom plate 101, the limiting block 201 is slidably connected with the bottom plate 101, a marking line 202 is carved in one end, close to the limiting screw rod 203, of the mark block 104 is triangular, the observation groove 105 is rectangular, and one end of the touch plate 102 is trapezoidal; observe the device, the pulling is supported touch panel 102, produce the clearance between supporting touch panel 102 and the bottom plate 101, push spring 106 compression, ensure that support touch panel 102 can slide, loosen and support touch panel 102 back under push spring 106's effect, support touch panel 102 resets, observe through observing groove 105 when supporting touch panel 102 with bottom plate 101, observe whether mark piece 104 points to scale 103 (has the scale on the scale 103) zero-bit, mark piece 104 does not just need to calibrate on the zero-bit.

Specifically, the calibration structure 3 comprises a calibration screw rod 301, one end of the touch panel 102 is rotatably connected with the calibration screw rod 301, one end of the calibration screw rod 301 is in threaded connection with the scale 103, the touch panel 102 is provided with a sliding groove 302, the scale 103 is in sliding connection with the touch panel 102 through the sliding groove 302, and a calibration spring 303 is fixedly connected between the scale 103 and the touch panel 102; rotate calibration screw 301, calibration screw 301 will drive scale 103 and move along sliding tray 302, just reverse through control calibration screw 301 alright control scale 103's reciprocating motion to make scale 103 slide on conflict board 102, calibration spring 303 is in compression state, promotes scale 103 and closely contradicts with calibration screw 301, thereby makes calibration screw 301 difficult the rotation.

Specifically, the limiting structure 4 includes a rotating rod 401, the bottom plate 101 is rotatably connected with the rotating rod 401, a torsion spring 404 is abutted between the rotating rod 401 and the bottom plate 101, one end of the rotating rod 401 is fixedly connected with a contact block 403, the bottom plate 101 is slidably connected with a limiting rod 406, the contact block 403 is abutted with the limiting rod 406, a limiting groove 402 is formed in one end, close to the contact block 403, of the contact plate 102, the limiting rod 406 is slidably connected with the contact plate 102 through the limiting groove 402, one end of the limiting rod 406 is fixedly connected with a rubber ring 405, the bottom end of the rubber ring 405 is abutted with the contact plate 102, the bottom end of the limiting rod 406 is rectangular block-shaped, and the section of the limiting rod 406 is T-shaped; according to the rotating rod 401, the torsion spring 404 is compressed, the rotating rod 401 pushes the contact block 403 to be abutted against the limiting rod 406, the limiting rod 406 is pressed to move towards the inner part of the limiting groove 402 through the contact block 403, the rubber ring 405 is tightly abutted against the abutting plate 102, the movement of the abutting plate 102 is limited, and the data on the scale 103 can be read through the mark block 104.

Specifically, the marking structure 5 includes an ink chamber 503, one end of the bottom plate 101 is provided with the ink chamber 503, one end of the bottom plate 101 close to the ink chamber 503 is slidably connected with a marking block 502, one end of the bottom plate 101 close to the ink chamber 503 is in threaded connection with a nut 501, the ink chamber 503 is communicated with the outside through the nut 501, one end of the marking block 502 is fixedly connected with a sliding tube 504, the sliding tube 504 is slidably connected with the bottom plate 101, a diversion fiber 505 is fixedly connected inside the sliding tube 504, one end of the diversion fiber 505 is fixedly connected with the marking block 502, a tension spring 506 is fixedly connected between one end of the sliding tube 504 and the bottom plate 101, the marking block 502 is rectangular, and the sliding tube 504 is cylindrical; after reading, the rotating rod 401 is loosened, the limit of the touch plate 102 is released, the wood plate can be pulled out, the touch plate 102 can be reset under the action of the pushing spring 106, the wood plate is separated from the control rod 601, the sliding tube 504 and the marking block 502 can be pulled to reset under the action of the tension spring 506, the pushing block 602 is pushed to move in the direction away from the control spring 604, the pushing block 602 drives the pushing rod 603 to reset, the nut 501 can be screwed out to add ink into the ink chamber 503, the ink can enter the marking block 502 through the guide fibers 505, and ink is supplemented for the marking block 502.

Specifically, the control structure 6 includes a push rod 603, one end of the bottom plate 101 close to the sliding tube 504 is slidably connected with the push rod 603, the top end of the push rod 603 is fixedly connected with a pair of push blocks 602, one end of the pair of push blocks 602 is abutted against one end of the marking block 502, one end of the bottom plate 101 close to the control rod 601 is slidably connected with a control rod 601, a control spring 604 is fixedly connected between the control rod 601 and the push rod 603, the pair of push blocks 602 are both triangular, the push rod 603 is L-shaped, and both ends of the control rod 601 are L-shaped; the touch plate 102 is pulled open, a wood board to be measured is placed between the touch plate 102 and the bottom plate 101, one end of the wood board is abutted against one side of the bottom plate 101, the touch plate 102 is loosened, the touch plate 102 is abutted against the other side of the wood board under the action of the push spring 106, the wood board is pushed to be abutted against the bottom plate 101, the wood board pushes the control rod 601 to move towards the inside of the bottom plate 101, the control rod 601 pushes the control spring 604 to compress, the control spring 604 pushes the push rod 603 to move towards the control rod 601, the push rod 603 pulls the push block 602 to move, the push block 602 is triangular, the mark block 502 is pushed to move towards the wood board and is abutted against the wood board, the wood board is marked, ink is printed on the wood board, the sliding tube 504 and the guide fibers 505 are driven to move towards the mark block 502, the tension spring 506 is extended, when the mark block 502 is abutted against the wood board, the pusher block 602 will not move and the control spring 604 will compress further to meet the demand for downward movement of the lever 601.

When the device is used, firstly, the device is observed, the touch plate 102 is pulled, a gap is generated between the touch plate 102 and the bottom plate 101, the push spring 106 is compressed to ensure that the touch plate 102 can slide, the touch plate 102 is reset under the action of the push spring 106 after the touch plate 102 is released, when the touch plate 102 is touched with the bottom plate 101, observation is carried out through the observation groove 105, whether the observation mark block 104 points to the zero position of the scale 103 with scales or not is observed, the mark block 104 needs to be calibrated if not at the zero position, the calibration screw 301 is rotated, the calibration screw 301 drives the scale 103 to move along the sliding groove 302, the reciprocating motion of the scale 103 can be controlled by controlling the forward and reverse rotation of the calibration screw 301, so that the scale 103 slides on the touch plate 102, the calibration spring 303 is in a compressed state, the scale 103 is pushed to tightly touch the calibration screw 301, the calibration screw 301 is difficult to rotate, the touch plate 102 is pulled, a wood board to be measured is placed between the touch plate 102 and the bottom plate 101, one end of the wood board is enabled to be abutted against one side of the bottom plate 101, the touch plate 102 is loosened, under the action of the push spring 106, the touch plate 102 is enabled to be abutted against the other side of the wood board, the wood board is pushed to be abutted against the bottom plate 101, the wood board pushes the control rod 601 to move towards the inside of the bottom plate 101, the control rod 601 compresses the push control spring 604, the control spring 604 pushes the push rod 603 to move towards the direction of the control rod 601, the push rod 603 pulls the push block 602 to move, the push block 602 is triangular, the mark block 502 is pushed to move towards the wood board and is enabled to be abutted against the wood board, the wood board is marked, ink is printed on the wood board, the sliding pipe 504 and the guide fibers 505 are driven to move towards the mark block 502, the tension spring 506 is extended, and when the mark block 502 is abutted against the wood board, the push block 602 is not moving, the control spring 604 is further compressed to meet the requirement of the control rod 601 moving downwards, the rotating rod 401 is pressed, the torsion spring 404 is compressed, the rotating rod 401 pushes the abutting block 403 to abut against the limiting rod 406, the limiting rod 406 is pressed by the abutting block 403 to move towards the inside of the limiting groove 402, so that the rubber ring 405 is tightly abutted against the abutting plate 102, the movement of the abutting plate 102 is limited, the data on the scale 103 can be read through the mark block 104, after the reading is completed, the rotating rod 401 is loosened to release the limiting of the abutting plate 102, the wood plate can be pulled out, the abutting plate 102 is reset under the action of the pushing spring 106, the wood plate is separated from the control rod 601, the sliding tube 504 and the mark block 502 are pulled to reset under the action of the tension spring 506, the pushing block 602 is pushed to move towards the direction deviating from the control spring 604, so that the pushing block 602 drives the pushing rod 603 to reset, the screwing nut 501 adds ink to the ink chamber 503, ink enters the marking block 502 through the guide fibers 505 to supplement the ink to the marking block 502, when a wood board with the same specification requirement is required to be detected, the limiting screw rod 203 is rotated, the limiting screw rod 203 drives the limiting block 201 to move along the slide rod 204 to drive the touch plate 102 to move, the limiting block 201 can move to a required scale according to the marking line 202, so that a specified distance is formed between the touch plate 102 and the bottom plate 101, the scale on the scale 103 is indicated by the marking block 104 to be a specified scale, so that the wood board to be detected can be directly inserted between the touch plate 102 and the bottom plate 101, one end of the touch plate 102 is in a trapezoidal shape, the wood board can be conveniently inserted, after the wood board with the thickness larger than the specified thickness is inserted, the touch plate 102 is pushed to move, the data of the scale 103 can be changed, when the thickness of the scale is smaller than the specification thickness, the wood board is inserted without resistance, when the wood board is inserted qualified, and the data indicated by the marking block 104 is stable and unchanged after fluctuation, the qualified wood board can be pushed into the bottom of the wood board to be abutted against the bottom plate 101, and the control rod 601 is pressed, so that the qualified wood board can be conveniently marked, and the qualified wood board can be conveniently and rapidly detected.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The board thickness measuring tool is characterized by comprising a measuring structure (1), wherein the measuring structure (1) is connected with a limiting structure (2) for quickly determining the thickness of a required board, one end of the measuring structure (1) is provided with a calibrating structure (3) for calibrating the measuring structure (1), the measuring structure (1) is provided with a limiting structure (4) for limiting the movement of the measuring structure (1), one end of the measuring structure (1) is provided with a marking structure (5) for marking the board, and the measuring structure (1) is connected with a control structure (6) for controlling the marking structure (5) to work;

the limiting structure (2) comprises a limiting block (201), the measuring structure (1) is connected with the limiting block (201), the measuring structure (1) is connected with a limiting screw rod (203), the limiting block (201) is in threaded connection with the limiting screw rod (203), the measuring structure (1) is connected with a sliding rod (204), the limiting block (201) is in sliding connection with the sliding rod (204), and a marking line (202) is carved on the measuring structure (1);

the measuring structure (1) comprises a bottom plate (101), the bottom plate (101) is connected with a touch plate (102) in a sliding mode, a ruler (103) is connected to the touch plate (102), a pushing spring (106) is fixedly connected between the bottom plate (101) and the touch plate (102), an observation groove (105) is formed in one end, close to the ruler (103), of the bottom plate (101), one end, located in the observation groove (105), of the bottom plate (101) is provided with a marking block (104), the bottom end of the touch plate (102) is in touch with one end of a limiting block (201), the limiting screw rod (203) is rotatably connected with the bottom plate (101), the sliding rod (204) is fixedly connected with the bottom plate (101), the limiting block (201) is connected with the bottom plate (101) in a sliding mode, and the marking line (202) is carved on one end, close to the limiting screw rod (203), of the bottom plate (101).

2. A sheet thickness measuring tool according to claim 1, wherein: the mark block (104) is triangular, the observation groove (105) is rectangular, and one end of the contact plate (102) is trapezoidal.

3. A sheet thickness measuring tool according to claim 1, wherein: calibration structure (3) are including calibration screw (301), the one end rotation of touch panel (102) is connected with calibration screw (301), the one end and scale (103) threaded connection of calibration screw (301), be equipped with sliding tray (302) on touch panel (102), scale (103) are through sliding tray (302) and touch panel (102) sliding connection, fixedly connected with calibration spring (303) between scale (103) and the touch panel (102).

4. A sheet thickness measuring tool according to claim 1, wherein: limiting structure (4) are including dwang (401), bottom plate (101) are rotated and are connected with dwang (401), it has torsional spring (404) to contradict between dwang (401) and bottom plate (101), the one end fixedly connected with of dwang (401) is to touch multitouch (403), bottom plate (101) sliding connection gag lever post (406), touch multitouch (403) and gag lever post (406) are contradicted, touch multitouch (102) are close to the one end that is in touch multitouch (403) and are equipped with spacing groove (402), gag lever post (406) are through spacing groove (402) and conflict board (102) sliding connection, the one end fixedly connected with rubber ring (405) of gag lever post (406), the bottom of rubber ring (405) is contradicted with touch multitouch (102).

5. A sheet thickness measuring tool according to claim 4, wherein: the bottom end of the limiting rod (406) is rectangular block-shaped, and the tangent plane of the limiting rod (406) is T-shaped.

6. A sheet thickness measuring tool according to claim 1, wherein: the marking structure (5) comprises an ink chamber (503), one end of the bottom plate (101) is provided with the ink chamber (503), one end of the bottom plate (101) close to the ink chamber (503) is connected with a marking block (502) in a sliding mode, one end of the bottom plate (101) close to the ink chamber (503) is connected with a nut (501) in a threaded mode, the ink chamber (503) is communicated with the outside through the nut (501), one end of the marking block (502) is fixedly connected with a sliding pipe (504), the sliding pipe (504) is connected with the bottom plate (101) in a sliding mode, the inner portion of the sliding pipe (504) is fixedly connected with a diversion fiber (505), one end of the diversion fiber (505) is fixedly connected with the marking block (502), and one end of the sliding pipe (504) is fixedly connected with a tension spring (506) between the bottom plate (101).

7. A sheet thickness measuring tool according to claim 6, wherein: the marking block (502) is rectangular, and the sliding tube (504) is cylindrical.

8. A sheet thickness measuring tool according to claim 6, wherein: control structure (6) include catch bar (603), bottom plate (101) are close to the one end sliding connection who is close to slide tube (504) and have catch bar (603), a pair of catch block (602) of top fixedly connected with of catch bar (603), and is a pair of the one end of catch block (602) is contradicted with the one end of mark piece (502), bottom plate (101) are close to the one end sliding connection who is close to catch bar (601) and have control lever (601), fixedly connected with control spring (604) between control lever (601) and catch bar (603).

9. A sheet thickness measuring tool according to claim 8, wherein: the pair of the pushing blocks (602) are in triangular shapes, the pushing rods (603) are in L shapes, and two ends of the control rod (601) are in L shapes.