Pneumatic measuring instrument

Abstract

The utility model belongs to the technical field of measuring equipment, and particularly relates to a pneumatic measuring instrument which comprises a table top, and a pair of supporting rods are fixedly connected to the bottom of the table top. The top of the supporting rod is fixedly connected with a pneumatic measuring instrument body. The pneumatic measuring instrument body is arranged on the table top in a penetrating mode. A placement table is fixedly connected to the middle of the table top; a plurality of spring telescopic rods are fixedly connected to the inner wall of the placement table; the end part of the spring telescopic rod is fixedly connected with a fixed plate; a pair of connecting rods is rotationally connected to the side wall between the fixing plates; the end part of the connecting rod is rotationally connected with a sliding block; the sliding block is in sliding connection with the placing table; elastic cloth is fixedly connected between the fixing plates; by additionally arranging the placing table, after a workpiece is placed, a spring telescopic rod can be used for pushing a fixing plate for fixing, the workpiece can be clamped, movement of the workpiece generated when the workpiece is measured by the pneumatic measuring instrument body is reduced, the stability of the workpiece is improved, and the influence of a measured head is reduced when the measuring head is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to measuring equipment technical field, concretely is a kind of pneumatic measuring instrument. BACKGROUND

[0002] Pneumatic measuring instrument measuring principle is comparison measurement method. Its measurement method is to convert length signal into airflow signal, and the float value in the glass tube with scale is called float type pneumatic measuring instrument, or the light column value composed of light-emitting tube by converting gas signal into electric signal by gas-electric converter is called electronic column type pneumatic measuring instrument.

[0003] Pneumatic measuring instrument has high precision, large measurement range, non-contact measurement, no wear to measured workpiece, fast response, easy operation and many other advantages, and multiple parameters can be measured simultaneously, and automation measurement can be realized by integrating with other equipment.

[0004] When using pneumatic instrument to measure workpiece, the workpiece is usually placed on the desktop, and then the measuring head is used to measure the workpiece, but the measuring head needs to be adjusted constantly during measurement, which will drive the workpiece to rotate, resulting in increased adjustment time.

[0005] Therefore, a pneumatic measuring instrument is proposed to solve the above problems. UTILITY MODEL CONTENT

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem in the background art is solved.

[0007] The utility model solves the technical scheme that the utility model discloses a kind of pneumatic measuring instrument, including desktop, the desktop bottom is fixedly connected with a pair of support rod;The support rod top is fixedly connected with pneumatic measuring instrument body;The pneumatic measuring instrument body is set as through on desktop;The desktop middle part is fixedly connected with placing table;Multiple spring telescopic rods are fixedly connected in the placing table inner wall;The fixed plate is fixedly connected in the spring telescopic rod end portion;A pair of connecting rods are rotatably connected in the fixed plate between side wall;The sliding block is rotatably connected in the connecting rod end portion;The sliding block and placing table are slidingly connected;Elastic cloth is fixedly connected between the fixed plate;By increasing placing table, workpiece can be clamped after being placed using spring telescopic rod to push fixed plate to be fixed, so as to reduce the movement of workpiece when being measured by pneumatic measuring instrument body, thereby increasing the stability of workpiece, so that the influence of measured head is reduced when adjusting measuring head.

[0008] Preferably, the top of the placement table is fixed with a plurality of compression springs; the top of the compression spring is fixed with a pressing plate; the pressing plate and the placement table are rotationally connected; by increasing the pressing plate, the pressing plate can be pulled into contact with the top of the workpiece by the pulling force of the compression spring when the workpiece is fixed, thereby increasing the restriction above the workpiece to reduce the shaking of the workpiece inside the placement table, so that the auxiliary fixing plate fixes the workpiece, thereby increasing the stability of the workpiece fixed by the placement table.

[0009] Preferably, the surface of the table is fixed with a goose neck pipe; the top of the goose neck pipe is communicated with a gas jet pipe; the side wall of the table is fixed with a gas guide pipe; the gas guide pipe and the table are in communication; by increasing the goose neck pipe, the goose neck pipe can be arbitrarily bent to blow the workpiece at multiple angles after the workpiece is placed, thereby reducing the friction on the measuring head during measurement, thereby reducing damage, and increasing the damage to the measuring head on the body of the pneumatic measuring instrument.

[0010] Preferably, the bottom of the placement table is fixed with a suction cup; the suction cup is provided on the placement table; by increasing the suction cup, the workpiece can be adsorbed by the adsorption principle of the suction cup after the workpiece is placed, thereby speeding up the fixation of the workpiece, and increasing the stability after fixation.

[0011] Preferably, the inner wall of the table top is fixed with a moisture absorbing cotton; the moisture absorbing cotton is provided on the table top; by increasing the moisture absorbing cotton, the residence time of moisture in the table top can be reduced, thereby reducing the influence of moisture on the body of the pneumatic measuring instrument.

[0012] Preferably, the inner wall of the table top is fixed with a desiccant box; the desiccant box is provided on the table top; by increasing the desiccant box, the moisture in the table top can be reduced, thereby increasing the dryness.

[0013] The utility model discloses the beneficial effect lies in:

[0014] 1. The utility model discloses a kind of pneumatic measuring instruments, by increasing placement table, workpiece can be clamped by using spring telescopic rod to push fixed plate to be fixed after workpiece is placed, thereby reducing the movement of workpiece when being measured by the body of the pneumatic measuring instrument, thereby increasing the stability of workpiece, so that the influence of measured head is reduced when adjusting measuring head.

[0015] 2. The utility model discloses a kind of pneumatic measuring instruments, by increasing pressing plate, pressing plate can be pulled into contact with the top of the workpiece by the pulling force of compression spring when workpiece is fixed, thereby increasing the restriction above the workpiece to reduce the shaking of the workpiece inside the placement table, so that the auxiliary fixing plate fixes the workpiece, thereby increasing the stability of the workpiece fixed by the placement table. DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 It is a schematic diagram of the main body of the present application.

[0018] Figure 2 It is a structural schematic diagram of the goose neck pipe in the present application.

[0019] Figure 3 It is a structural schematic diagram of the placing table in the present application.

[0020] Figure 4 It is a structural schematic diagram of the fixing plate in the present application.

[0021] Figure 5 It is a structural schematic diagram of the sliding block in the present application.

[0022] In the figure: 1, desktop; 11, support rod; 12, pneumatic measuring instrument body; 13, placing table; 14, spring telescopic rod; 15, fixing plate; 16, connecting rod; 17, sliding block; 18, elastic cloth; 2, compression spring; 21, pressing plate; 3, goose neck pipe; 31, air jet pipe; 32, air guide pipe; 4, suction cup; 5, moisture absorbing cotton; 6, desiccant box. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] The specific embodiments will be given below.

[0025] As Figures 1 to 5As shown, the utility model discloses a kind of pneumatic measuring instruments, including desktop 1, the desktop 1 bottom is fixedly connected with a pair of support rod 11;The support rod 11 top is fixedly connected with pneumatic measuring instrument body 12;The pneumatic measuring instrument body 12 is set on desktop 1 as through;The desktop 1 middle part is fixedly connected with placing table 13;Multiple spring telescopic rods 14 are fixedly connected in the inner wall of placing table 13;The fixed plate 15 is fixedly connected at the end of spring telescopic rod 14;A pair of connecting rods 16 are rotatably connected between the side wall of fixed plate 15;The end of connecting rod 16 is rotatably connected with slider 17;The slider 17 and placing table 13 are slidingly connected;Elastic cloth 18 is fixedly connected between fixed plate 15;When working, by first placing workpiece into placing table 13, when workpiece enters into placing table 13, it will first contact with fixed plate 15, then after workpiece enters, it will push fixed plate 15 and move to placing table 13, when fixed plate 15 moves, it will compress spring telescopic rod 14, and connecting rod 16 will change angle to push connecting rod 16 to move, so that fixed plate 15 is close to placing table 13, when workpiece enters into placing table 13, spring telescopic rod 14 is compressed, and it will generate thrust to fixed plate 15 to make fixed plate 15 extrude workpiece to fix workpiece, when fixed plate 15 moves, it will stretch elastic cloth 18 to adhere to the surface of workpiece after workpiece is placed, so that the contact of fixed plate 15 and workpiece is increased, then measurement head connected on pneumatic measuring instrument body 12 is used to measure workpiece to observe the data on pneumatic measuring instrument body 12 and record it;By increasing placing table 13, workpiece can be clamped after being placed by using spring telescopic rod 14 to push fixed plate 15 to fix, so that the movement of workpiece when being measured by pneumatic measuring instrument body 12 is reduced, so that the stability of workpiece is increased, so that the influence of measured head is reduced when adjusting measurement head.

[0026] As Figures 4 to 5 As shown, the top of placing table 13 is fixedly connected with multiple compression springs 2;The top of compression spring 2 is fixedly connected with pressing plate 21;The pressing plate 21 and placing table 13 are rotatably connected;When workpiece is placed into placing table 13, pressing plate 21 needs to be lifted first to make compression spring 2 be stretched, then workpiece is placed into placing table 13, and pressing plate 21 is released, so that pressing plate 21 will rebound to move downward due to the tension of compression spring 2, so that it limits the upper part of workpiece after workpiece is placed;By increasing pressing plate 21, it can be contacted with the top of workpiece by the tension of compression spring 2 when workpiece is fixed, so that the upper part of workpiece is limited to reduce the shaking of workpiece in placing table 13, so that it assists fixed plate 15 to fix workpiece, so that the stability of workpiece when being fixed by placing table 13 is increased.

[0027] As Figure 1 shown, the desktop 1 surface is fixed with a goose neck pipe 3; the top of the goose neck pipe 3 is communicated with a jet pipe 31; the desktop 1 side wall is fixed with a gas guide pipe 32; the gas guide pipe 32 and the desktop 1 are in communication; when the workpiece is placed in the placement table 13 and fixed, the gas guide pipe 32 is connected to the air pump to transmit the airflow to the inside of the goose neck pipe 3 through the gas guide pipe 32, and finally through the jet pipe 31, at this time the goose neck pipe 3 can be pulled to approach the workpiece, so that the airflow blown out through the jet pipe 31 removes the dust inside the workpiece, thereby reducing the dust inside the workpiece, so that the measuring head reduces the friction with the dust after entering the inside of the workpiece; by increasing the goose neck pipe 3, the workpiece can be bent arbitrarily to blow the workpiece at multiple angles after the workpiece is placed, thereby reducing the friction on the measuring head during measurement, thereby reducing damage, so as to increase the damage to the measuring head on the pneumatic measuring instrument body 12.

[0028] As Figure 3 shown, the placement table 13 bottom is fixed with a suction cup 4; the suction cup 4 is provided on the placement table 13; when the workpiece is placed in the placement table 13, it will contact the suction cup 4, at this time the workpiece is pressed down to make the workpiece contact the suction cup 4, so that the air in the suction cup 4 is discharged when extruded to adsorb the workpiece on the suction cup 4 to be preliminarily fixed; by increasing the suction cup 4, the workpiece can be adsorbed by the suction principle of the suction cup 4 after the workpiece is placed, thereby speeding up the fixation of the workpiece, so as to increase the stability after fixation.

[0029] As Figure 2 shown, the inner wall of the desktop 1 is fixed with a moisture absorbing cotton 5; the moisture absorbing cotton 5 is provided on the desktop 1; when the desktop 1 is around the moisture, part of the moisture will enter the inside of the desktop 1, at this time the moisture absorbing cotton 5 will absorb the moisture in the inside of the desktop 1 to reduce the residence time of the moisture in the inside of the desktop 1; by increasing the moisture absorbing cotton 5, the residence time of the moisture in the inside of the desktop 1 can be reduced to reduce the influence of the moisture on the pneumatic measuring instrument body 12.

[0030] As Figure 2 shown, the inner wall of the desktop 1 is fixed with a desiccant box 6; the desiccant box 6 is provided on the desktop 1; during work, the inside of the desiccant box 6 is filled with desiccant, so that the desiccant box 6 absorbs the moisture in the air around the pneumatic measuring instrument body 12 during work of the pneumatic measuring instrument body 12, thereby reducing the moisture in the air; by increasing the desiccant box 6, the moisture in the inside of the desktop 1 can be reduced, thereby increasing the dryness.

[0031] Working principle: through first placing the workpiece into the placing table 13, the workpiece will contact with the fixed plate 15, then the fixed plate 15 will be pushed to move to the placing table 13, when the fixed plate 15 moves, the spring telescopic rod 14 will be compressed, and the connecting rod 16 will change the angle to push the connecting rod 16 to move, so that the fixed plate 15 is close to the placing table 13, when the workpiece enters the placing table 13, the spring telescopic rod 14 is compressed to generate a pushing force on the fixed plate 15, so that the fixed plate 15 is pressed to the workpiece to fix the workpiece, when the fixed plate 15 moves, the elastic cloth 18 is stretched to tightly adhere to the surface of the workpiece after the workpiece is placed, thereby increasing the contact between the fixed plate 15 and the workpiece, then the measuring head connected to the pneumatic measuring instrument body 12 is used to measure the workpiece to observe the data on the pneumatic measuring instrument body 12 and record it; before placing the workpiece into the placing table 13, the pressing plate 21 needs to be lifted to stretch the compression spring 2, then the workpiece is placed into the tabletop 1, and then the pressing plate 21 is released, at this time, the pressing plate 21 will rebound to move downward due to the pulling force of the compression spring 2, so that it limits the workpiece above after the workpiece is placed, and the pressing plate 21 will contact with the top of the workpiece, thereby pressing the workpiece after the workpiece is placed to limit it; after the workpiece is placed into the placing table 13 and fixed, the air guide pipe 32 is connected with the air pump to transmit the airflow to the goose neck pipe 3 through the air guide pipe 32, and finally the airflow is sprayed out through the air jet pipe 31, at this time, the goose neck pipe 3 can be pulled to move close to the workpiece, so that the airflow blown out through the air jet pipe 31 removes the dust in the workpiece, thereby reducing the dust in the workpiece to reduce the friction between the measuring head and the dust when the measuring head enters the workpiece; after the workpiece is placed into the placing table 13, the workpiece will contact with the suction cup 4, at this time, the workpiece is pressed to make the workpiece contact with the suction cup 4, so that the air in the suction cup 4 is discharged when being pressed to adsorb the workpiece on the suction cup 4 to preliminarily fix it; when the humidity appears around the tabletop 1, part of the humidity will enter the tabletop 1, at this time, the moisture absorbing cotton 5 absorbs the humidity in the tabletop 1 to reduce the humidity in the tabletop 1; the desiccant is filled in the desiccant box 6, so that the desiccant box 6 absorbs the humidity in the air around the pneumatic measuring instrument body 12 when the pneumatic measuring instrument body 12 works, thereby reducing the humidity in the air.

[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A pneumatic measuring instrument comprising a table top (1), characterised in that: The desktop (1) bottom is fixedly connected with a pair of support rods (11); the support rod (11) top is fixedly connected with a pneumatic measuring instrument body (12); the pneumatic measuring instrument body (12) is through on the desktop (1); the desktop (1) middle part is fixedly connected with a placing table (13); the placing table (13) inner wall is fixedly connected with a plurality of spring telescopic rods (14); the spring telescopic rod (14) end is fixedly connected with a fixed plate (15); the fixed plate (15) between the side wall is rotatably connected with a pair of connecting rods (16); the connecting rod (16) end is rotatably connected with a sliding block (17); the sliding block (17) and placing table (13) are slidingly connected; the fixed plate (15) between is fixedly connected with elastic cloth (18).

2. A pneumatic measuring instrument according to claim 1, characterised in that: The placing table (13) top is fixedly connected with a plurality of compression springs (2); the compression spring (2) top is fixedly connected with a pressing plate (21); the pressing plate (21) and placing table (13) are rotatably connected.

3. A pneumatic measuring instrument according to claim 2, characterised in that: The desktop (1) surface is fixedly connected with a goose neck pipe (3); the goose neck pipe (3) top is communicated with a jet pipe (31); the desktop (1) side wall is fixedly connected with a gas guide pipe (32); the gas guide pipe (32) and desktop (1) are in communication.

4. A pneumatic measuring instrument according to claim 3, characterised in that: The placing table (13) bottom is fixedly connected with a suction disc (4); the suction disc (4) is provided on the placing table (13) in multiple.

5. A pneumatic measuring instrument according to claim 4, characterised in that: The desktop (1) inner wall is fixedly connected with a moisture absorbing cotton (5); the moisture absorbing cotton (5) is provided on the desktop (1) in multiple.

6. A pneumatic measuring instrument according to claim 5, characterised in that: The desktop (1) inner wall is fixedly connected with a desiccant box (6); the desiccant box (6) is provided on the desktop (1) in multiple.

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