CN109358210B

CN109358210B - Automatic clamping device of capacitance detection system

Info

Publication number: CN109358210B
Application number: CN201811262802.4A
Authority: CN
Inventors: 谷勋亮
Original assignee: Anhui Linquan Kangyue Electronic Technology Co ltd
Current assignee: Liyu Electronics Huizhou Co ltd
Priority date: 2018-10-27
Filing date: 2018-10-27
Publication date: 2020-10-02
Anticipated expiration: 2038-10-27
Also published as: CN109358210A

Abstract

The invention relates to an automatic clamping device of a capacitance detection system, which relates to the detection field and comprises a base, an adjusting block, a telescopic rod and a linkage mechanism, wherein an adjusting groove with an upward opening is formed in the base, an adjusting mechanism is arranged at the right side position outside the adjusting groove, an inner cavity is formed in the adjusting block, the top of the inner cavity is communicated with the outside through an inserting hole, the linkage mechanism is positioned at the bottom position of the inner cavity and is in sliding connection with the side wall of the inner cavity, the telescopic rods are symmetrically arranged on two end faces of the linkage mechanism, one end of each telescopic rod is hinged with the linkage mechanism, the other end of each telescopic rod is hinged with the clamping mechanism, the clamping mechanism is positioned at the position, close to the inserting hole, of the inner cavity, and is fixedly connected with the side wall of the inner cavity, the device is simple to operate, a measuring person does, the measuring error generated by the contact of the hand and the capacitor pins is avoided.

Description

Automatic clamping device of capacitance detection system

Technical Field

The invention belongs to the field of detection, and particularly relates to an automatic clamping device of a capacitance detection system.

Background

The electric capacity is in process of production, and the capacitance value parameter of producing the line of quality personnel general can be with the capacitance value parameter of certain frequency spot check electric capacity for draw the capacitance value parameter of preparation CPK, in addition after the electric capacity passes through the high temperature test cooling, also need measure its capacitance value and judge whether the electric capacity passes through the high temperature test, whether the capacitance value of electric capacity is stable is the important parameter of judging whether producing the line production quality variation.

In the prior art, when the capacitance values of the capacitors in batches are measured, a measurer generally fixes the pins of the capacitors and the input end of a measuring instrument by hands and then measures the capacitors.

Disclosure of Invention

The invention aims to provide an automatic clamping device of a capacitance detection system, which aims to solve all or one of the problems in the background art.

In order to solve the technical problems, the invention adopts the technical scheme that: an automatic clamping device of a capacitance detection system comprises a base, an adjusting block, a telescopic rod and a linkage mechanism, wherein an adjusting groove with an upward opening is formed in the base, a button is arranged on the upper surface of the base, an adjusting mechanism is arranged at the position of the right side outside the adjusting groove, the adjusting block is in sliding connection with the adjusting groove, an inner cavity is formed in the adjusting block, the adjusting block at the left side inside the adjusting groove is fixedly connected with the left side wall of the adjusting groove, the adjusting block at the right side inside the adjusting groove is fixedly connected with the adjusting mechanism, the top of the inner cavity is communicated with the outside through a jack, the linkage mechanism is located at the bottom position of the inner cavity and is in sliding connection with the side wall of the inner cavity, the telescopic rod is symmetrically arranged on two end faces of the linkage mechanism, one end of the telescopic rod is hinged with the linkage mechanism, the other end of the telescopic rod is hinged with, and the clamping mechanism is fixedly connected with the side wall of the inner cavity, and the linkage mechanism is electrically connected with the button.

Further, fixture includes fixed block, slider, conducting rod and check lock, the position bilateral symmetry that the inner chamber is close to the jack is equipped with the fixed block, the bottom face of fixed block and the lateral wall fixed connection of inner chamber, the inside of fixed block is equipped with the cushion chamber, and the fixed block downside is equipped with the drive groove, and the preceding terminal surface of fixed block is equipped with the slide, the cushion chamber is linked together in drive groove and slide respectively, the upper and lower bilateral symmetry of slide is equipped with the slip chamber, fixedly connected with first electro-magnet on the lateral wall of slide is kept away from to the slip chamber, the bottom and the cushion chamber sliding connection of conducting rod, the bottom face of conducting rod and the one end fixed connection of first spring, the front end of conducting rod passes the slide and with slide sliding connection, the upper and lower bilateral symmetry locking groove that the conducting rod is close to the front position, slider and cushion chamber sliding connection, the slider is equipped with pressure sensor towards the side, the utility model discloses a slide rail, including slide rail, slide groove, pressure sensor, locking lever, drive groove, power supply, pressure sensor's the atress terminal surface and the other end fixed connection of first spring, the one end and the slip chamber sliding connection of locking lever, and the terminal surface of this end and the one end fixed connection of second spring, the other end and the locking groove sliding connection of locking lever, the lateral wall fixed connection that the slide was kept away from to the other end and the slip chamber of second spring, the upper end of telescopic link is passed the drive groove and is articulated with the lower terminal surface of slider, telescopic link and drive groove sliding connection, pressure sensor is connected with first electro-magnet electricity, the inside conducting rod and the anodal electric connection of power of the inside left regulating block of.

Further, the linkage mechanism comprises a driving block and a sealing block, a sliding hole is formed in the middle of the driving block, side plates are symmetrically arranged on the front side and the rear side of the left end and the right end of the driving block respectively, the upper surface of the driving block is hinged with the lower end of the telescopic rod, a third spring is symmetrically arranged on the lower surface of the driving block, cavities are symmetrically arranged on the left side and the right side of the outer portion of the sliding hole, the side plates are in sliding connection with side grooves formed in the front side wall and the rear side wall of the inner cavity, one end of the third spring is fixedly connected with the lower surface of the driving block, the other end of the third spring is fixedly connected with the bottom of the inner cavity, the cavities are communicated with the sliding hole, a wing plate groove is symmetrically arranged in the middle of the front end face and the rear end face of the driving block, the wing plate groove is communicated with the sliding hole and the cavities, a second electromagnet is fixedly connected with the middle of, the bottom face of the sealing block is fixedly connected with one end of a fourth spring, the other end of the fourth spring is fixedly connected with the bottom side wall of the cavity, wing plates which are in sliding connection with the wing plate grooves are arranged on the front side face and the rear side face, close to the bottom face, of the sealing block, magnets are arranged on the side faces, facing the second electromagnet, of the wing plates, and the second electromagnet is electrically connected with the button.

Furthermore, the adjusting mechanism comprises an adjusting rod and a screw rod, an adjusting cavity is arranged at the right side position outside the adjusting groove, rectangular plates are symmetrically arranged on the front and rear side walls of the right side adjusting block in the adjusting groove, rectangular grooves which are connected with the rectangular plates in a sliding manner are arranged on the front and rear side walls of the adjusting groove, the rectangular plate is fixedly connected with the adjusting block, a threaded hole is arranged in the rectangular plate, the screw rod is in threaded connection with the threaded hole, the left end of the screw rod is connected with the left side wall of the rectangular groove through a bearing, the right end of the screw rod penetrates through the right side wall of the rectangular groove and is in key connection with the driven wheel, the right end of the adjusting rod is positioned at the right side of the base, the right end of the adjusting rod penetrates through the left side wall and the right side wall of the adjusting cavity, the adjusting rod is connected with the left side wall and the right side wall of the adjusting cavity through bearings, the part of the adjusting rod, which is positioned in the adjusting cavity, is in key connection with the driving wheel, and the driving wheel is meshed with the driven wheel.

Furthermore, the length of the sealing block is larger than half of the length of the sliding hole, and the central axis of the insertion hole is superposed with the central line of the sliding hole.

Further, the base upper surface is equipped with the display screen, be equipped with laser range finder on the right side wall of the inside left regulating block of adjustment tank, laser range finder is connected with the display screen electricity.

The invention has the beneficial effects that: according to the automatic clamping device of the capacitance detection system, before capacitance is measured, the center distance between two jacks is adjusted through the adjusting mechanism, the center distance is equal to the pin distance of the capacitor, after the capacitor is inserted into the jacks, pins of the capacitor move downwards through the linkage mechanism, the clamping mechanism is further driven to be in close contact with the pins, a measurement power supply is connected with the capacitor, measurement is completed, after the measurement is completed, the linkage mechanism moves upwards through the button, the pins of the clamping mechanism are further loosened, the capacitor is convenient to take out, the device is simple to operate, the pins of the capacitor are not required to be fixed and loosened by hands of a measurer, the measurement efficiency is improved, and measurement errors caused by the fact that hands of a person contact with the pins of the capacitor are avoided.

Drawings

The contents of the drawings and the reference numerals in the drawings are briefly described as follows:

FIG. 1 is a top view of an embodiment of the present invention;

FIG. 2 is a top cross-sectional view of an embodiment of the present invention;

FIG. 3 is a side cross-sectional view of an adjustment block of an embodiment of the present invention;

FIG. 4 is a schematic structural view of the clamping mechanism of FIG. 3;

FIG. 5 is a schematic structural view of the linkage mechanism of FIG. 3;

FIG. 6 is a top view of the drive block of FIG. 5;

FIG. 7 is a top cross-sectional view of the drive block of FIG. 5;

fig. 8 is a sectional view taken along line a-a of fig. 7.

Wherein, 1-base, 2-regulating groove, 3-regulating block, 4-jack, 5-clamping mechanism, 6-linkage mechanism, 7-telescopic rod, 8-regulating mechanism, 9-laser range finder, 10-display screen, 11-button, 12-inner chamber, 13-detection sample, 51-fixed block, 52-buffer chamber, 53-driving groove, 54-slide block, 55-pressure sensor, 56-first spring, 57-conducting rod, 58-locking groove, 59-locking rod, 510-sliding chamber, 511-first electromagnet, 512-second spring, 513-slideway, 61-driving block, 62-wing plate groove, 63-third spring, 64-sliding hole, 65-side groove, 66-sealing block, 67-fourth spring, 68-wing plate, 69-cavity, 610-second electromagnet, 611-side plate, 612-magnet, 81-adjusting rod, 82-adjusting cavity, 83-driving wheel, 84-driven wheel, 85-lead screw, 86-rectangular plate, 87-threaded hole and 88-rectangular groove.

Detailed Description

The following embodiments are provided to describe the embodiments of the present invention, and to further describe the detailed description of the embodiments of the present invention, such as the shapes, configurations, mutual positions and connection relationships of the components, the functions and operation principles of the components, the manufacturing processes and operation methods, etc., so as to help those skilled in the art to more fully, accurately and deeply understand the inventive concept and technical solutions of the present invention.

As shown in fig. 1 to 8, an automatic clamping device of a capacitance detection system comprises a base 1, an adjusting block 3, a telescopic rod 7 and a linkage mechanism 6, wherein an adjusting groove 2 with an upward opening is formed in the base 1, a button 11 is arranged on the upper surface of the base 1, an adjusting mechanism 8 is arranged at the right side position outside the adjusting groove 2, the adjusting block 3 is slidably connected with the adjusting groove 2, an inner cavity 12 is formed in the adjusting block 3, the adjusting block 3 at the left side inside the adjusting groove 2 is fixedly connected with the left side wall of the adjusting groove 2, the adjusting block 3 at the right side inside the adjusting groove 2 is fixedly connected with the adjusting mechanism 8, the top of the inner cavity 12 is communicated with the outside through a jack 4, the linkage mechanism 6 is positioned at the bottom position of the inner cavity 12 and slidably connected with the side walls of the inner cavity 12, the telescopic rod 7 is symmetrically arranged on two end faces of the linkage mechanism 6, and the one end of telescopic link 7 is articulated with link gear 6, the other end of telescopic link 7 is articulated with fixture 5, fixture 5 is located the position that inner chamber 12 is close to jack 4, and fixture 5 and the lateral wall fixed connection of inner chamber 12, link gear 6 is connected with button 11 electricity.

In this embodiment, the clamping mechanism 5 includes a fixed block 51, a slider 54, a conductive rod 57 and a locking rod 59, the fixed block 51 is symmetrically disposed at a position of the inner cavity 12 close to the insertion hole 4, the bottom end surface of the fixed block 51 is fixedly connected with the side wall of the inner cavity 12, a buffer chamber 52 is disposed inside the fixed block 51, a driving groove 53 is disposed on the lower side surface of the fixed block 51, a slide way 513 is disposed on the front end surface of the fixed block 51, the buffer chamber 52 is respectively communicated with the driving groove 53 and the slide way 513, sliding chambers 510 are symmetrically disposed at the upper and lower sides of the slide way 513, a first electromagnet 511 is fixedly connected to the side wall of the sliding chamber 510 far away from the slide way 513, the bottom end of the conductive rod 57 is slidably connected with the buffer chamber 52, the bottom end surface of the conductive rod 57 is fixedly connected with one end of a first spring 56, the front end of the conductive rod 57 passes through the slide way 513 and is, the slide block 54 is connected with the buffer cavity 52 in a sliding manner, the side surface of the slide block 54 facing the conductive rod 57 is provided with a pressure sensor 55, the stressed end surface of the pressure sensor 55 is fixedly connected with the other end of the first spring 56, one end of the locking rod 59 is connected with the slide cavity 510 in a sliding manner, the end surface of the end is fixedly connected with one end of the second spring 512, the other end of the locking rod 59 is connected with the locking groove 58 in a sliding manner, the other end of the second spring 512 is fixedly connected with the side wall of the slide cavity 512 far away from the slide 513, the upper end of the telescopic rod 7 penetrates through the driving groove 53 and is hinged with the lower end surface of the slide block 54, the telescopic rod 7 is connected with the driving groove 53 in a sliding manner, the pressure sensor 55 is electrically connected with the first electromagnet 511, the conductive rod 57 inside the adjusting block 3 on the left side inside the adjusting groove 2 is electrically connected with the positive electrode of the power, in order to clamp the pins of the capacitor when the capacitor is detected, and simultaneously, the measurement detection system is electrically connected with the capacitor, the clamping mechanism 5 is used for clamping the pins after power for clamping is obtained through the linkage mechanism 6 and the pins are inserted into the inner cavity 12 for a sufficient distance, so that the measurement detection system is electrically connected with the capacitor.

In this embodiment, the linkage mechanism 6 includes a driving block 61 and a closing block 66, a sliding hole 64 is disposed in the middle of the driving block 61, side plates 611 are symmetrically disposed on the front and rear sides of the left and right ends of the driving block 61, respectively, the upper surface of the driving block 61 is hinged to the lower end of the telescopic rod 7, a third spring 63 is symmetrically disposed on the lower surface of the driving block 61, cavities 69 are symmetrically disposed on the left and right sides of the outside of the sliding hole 64, the side plates 611 are slidably connected to side grooves 65 disposed on the front and rear side walls of the inner cavity 12, one end of the third spring 63 is fixedly connected to the lower surface of the driving block 61, the other end of the third spring 63 is fixedly connected to the bottom of the inner cavity 12, the cavities 69 are communicated with the sliding hole 64, vane grooves 62 are symmetrically disposed in the middle of the front and rear end surfaces of the driving block 61, the vane grooves 62 are communicated with the sliding hole 64 and the cavities 69, the bottom end of the sealing block 66 is slidably connected with the cavity 69, the front end face of the sealing block 66 passes through the cavity 69 and extends into the slide hole 64, the bottom end face of the sealing block 66 is fixedly connected with one end of a fourth spring 67, the other end of the fourth spring 67 is fixedly connected with the bottom side wall of the cavity 69, the front side and the rear side of the sealing block 66 close to the bottom end face are provided with wing plates 68 slidably connected with the wing plate groove 62, the side of the wing plate 68 facing the second electromagnet 610 is provided with a magnet 612, the magnet 612 faces the second electromagnet 610, and the second electromagnet 610 is electrically connected with the button 11; in addition, after the measurement is completed, the linkage mechanism 5 moves upward under the control of the button 11, thereby providing power for loosening the pins for the clamping mechanism 5.

In this embodiment, the adjusting mechanism 8 includes an adjusting rod 81 and a screw rod 85, an adjusting cavity 82 is arranged at the right side position outside the adjusting groove 2, a rectangular plate 86 is symmetrically arranged on the front and rear side walls of a right adjusting block 3 inside the adjusting groove 2, rectangular grooves 88 slidably connected with the rectangular plate 86 are arranged on the front and rear side walls of the adjusting groove 2, the rectangular plate 86 is fixedly connected with the adjusting block 3, a threaded hole 87 is arranged inside the rectangular plate 86, the screw rod 85 is in threaded connection with the threaded hole 87, the left end of the screw rod 85 is connected with the left side wall of the rectangular groove 88 through a bearing, the right end of the screw rod 85 passes through the right side wall of the rectangular groove 88 and is in key connection with a driven wheel 84, the right end of the adjusting rod 81 is located at the right side of the base 1, the right end of the adjusting rod 81 passes through the left and right side walls of the adjusting cavity 82, the adjusting rod 81 is connected with the left and, the driving wheel 83 is meshed with the driven wheel 84, and the distance between the capacitor pins is different, so that the whole clamping device can be used for measuring capacitors of different types by adapting to the change of the distances between the capacitor pins of different types through the adjusting mechanism.

In this embodiment, the length of the sealing block 66 is greater than half of the length of the sliding hole 64, so that the sealing block 66 can completely seal the sliding hole 64, and the central axis of the insertion hole 4 coincides with the central axis of the sliding hole 64, so that the capacitor pin can be smoothly inserted into the inner cavity 12.

In this embodiment, 1 upper surface of base is equipped with display screen 10, be equipped with laser range finder 9 on the right side wall of the inside left regulating block 3 of adjustment tank 2, laser range finder 9 is connected with display screen 10 electricity, and laser range finder 9 measures the shortest distance between two regulating blocks 3, and display screen 10 shows the sum of shortest distance and regulating block 3's thickness between the regulating block 3, and the distance change between the regulating block 3 when can audio-visually seeing the regulation, when the numerical value that display screen 10 shows and the pin distance that detects sample 13 are equal, can stop adjusting.

The working process and principle are as follows: before measuring the capacitance value of the capacitor, firstly, the center distance of the jack 4 is adjusted according to the pin pitch of the detection sample 13, and the adjusting process is as follows: manual rotation adjusts pole 81, adjust pole 81 and pass through action wheel 83 and drive from the driving wheel 84 and rotate, and then drive lead screw 85 and rotate, because lead screw and screw hole 87 threaded connection, and then drive corresponding regulating block 3 through rectangular plate 86 and move on rectangular channel 88, measure the shortest distance between two regulating blocks 3 through laser range finder 9 this moment, display screen 10 shows the sum of the shortest distance between the regulating block 3 and the thickness of regulating block 3, when the numerical value that display screen 10 shows is equal with the pin distance that detects sample 13, stop adjusting. After the insertion, the detection sample 13 is inserted into the inner cavity 12 through the insertion hole 4, during the insertion of the pin of the detection sample 13, when the pin of the detection sample 13 passes through the sliding hole 64 and contacts with the sealing block 66, the sealing block 66 drives the driving block 61 to move towards the lower part of the inner cavity 12 against the pushing force of the third spring 63, during the downward movement of the driving block 61, the telescopic rod 7 drives the sliding block 54 to move towards the direction close to the conductive rod 57, during the movement of the sliding block 54, the first spring 56 continuously stores energy, at the same time, the pressure sensor 55 senses the pressure of the first spring 56, during the energy storage of the first spring 56, the conductive rod 57 cannot move, that is, the pressure of the pin of the detection sample 13 cannot be supplied, so as to facilitate the insertion of the pin, when the pressure sensed by the pressure sensor 55 exceeds a set value, the first electromagnet 511 is electrified to generate a magnetic force, so as to attract the locking rod 59 to move towards the direction close to the first electromagnet 511, when the locking rod 59 is separated from the locking groove 58, under the action of the elastic force of the first spring 56, the conductive rod 57 is pushed to move towards the direction close to the pin, and finally the conductive rod 57 is in close contact with the pin, so as to complete the measurement of the capacitance value, after the measurement is completed, the button 11 is pressed down, so that the second electromagnet 610 is electrified to generate magnetic force, magnetic poles at two ends of the second electromagnet 610 are respectively the same as the end-face magnetic poles of the magnet 612 towards the direction of the second electromagnet 610, so as to generate repulsive force, so that the sealing block 66 overcomes the elastic force of the fourth spring 67 to move towards the direction far away from the second electromagnet 610, so as to open the sliding hole 64, so that the driving block 61 moves upwards under the thrust of the third spring 63, at this time, the sliding block 54 is driven to move towards the direction far away from the conductive rod 57 under the action of the telescopic rod 7, and in the moving process, when the pressure sensed, at this time, the locking rod 59 is in close contact with the surface of the conductive rod 57 under the action of the second spring 512, and when the conductive rod 57 moves to the position where the locking groove 58 is overlapped with the locking rod 59, the locking rod 59 will move into the locking groove 58 to return to the initial state, and after the measurement of the next capacitor is completed.

Based on the above, with the automatic clamping device of the capacitance detection system, before the capacitance value is measured, the center distance between the two jacks is adjusted through the adjusting mechanism, so that the center distance is equal to the pin distance of the capacitor, after the capacitor is inserted into the jacks, the pins of the capacitor move downwards through the linkage mechanism, and further the clamping mechanism is driven to be in close contact with the pins, so that the measurement power supply is connected with the capacitor, the measurement is completed, after the measurement is completed, the linkage mechanism moves upwards through the button, and further the pins of the clamping mechanism are loosened, so that the capacitor is convenient to take out.

The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the precise form disclosed, and that various insubstantial modifications of the inventive concepts and solutions, or their direct application to other applications without such modifications, are intended to be covered by the scope of the invention. The protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a capacitance detection system's automatic clamping device which characterized in that: comprises a base (1), an adjusting block (3), a telescopic rod (7) and a linkage mechanism (6), wherein an adjusting groove (2) with an upward opening is arranged inside the base (1), a button (11) is arranged on the upper surface of the base (1), an adjusting mechanism (8) is arranged at the right side position outside the adjusting groove (2), the adjusting block (3) is in sliding connection with the adjusting groove (2), an inner cavity (12) is arranged inside the adjusting block (3), the adjusting block (3) at the left side inside the adjusting groove (2) is fixedly connected with the left side wall of the adjusting groove (2), the adjusting block (3) at the right side inside the adjusting groove (2) is fixedly connected with the adjusting mechanism (8), the top of the inner cavity (12) is communicated with the outside through a jack (4), the linkage mechanism (6) is positioned at the bottom position of the inner cavity (12) and is in sliding connection with the side wall of the linkage mechanism (6) and the inner cavity (12), the telescopic rods (7) are symmetrically arranged on two end faces of the linkage mechanism (6), one end of each telescopic rod (7) is hinged to the linkage mechanism (6), the other end of each telescopic rod (7) is hinged to the clamping mechanism (5), the clamping mechanism (5) is located at a position, close to the jack (4), of the inner cavity (12), the clamping mechanism (5) is fixedly connected with the side wall of the inner cavity (12), and the linkage mechanism (6) is electrically connected with the button (11);

the clamping mechanism (5) comprises a fixed block (51), a sliding block (54), a conductive rod (57) and a locking rod (59), the fixed block (51) is arranged at the position, close to the jack (4), of the inner cavity (12) in a bilateral symmetry mode, the bottom end face of the fixed block (51) is fixedly connected with the side wall of the inner cavity (12), a buffer cavity (52) is arranged inside the fixed block (51), a driving groove (53) is formed in the lower side face of the fixed block (51), a sliding way (513) is arranged on the front end face of the fixed block (51), the buffer cavity (52) is communicated with the driving groove (53) and the sliding way (513) respectively, sliding cavities (510) are symmetrically arranged on the upper side and the lower side of the sliding way (513), a first electromagnet (511) is fixedly connected to the side wall, far away from the sliding way (513), of the bottom end of the conductive rod (57), the bottom end face of the conducting rod (57) is fixedly connected with one end of a first spring (56), the front end of the conducting rod (57) penetrates through a slide way (513) and is in sliding connection with the slide way (513), the conducting rod (57) is close to upper and lower symmetrical locking grooves (58) at the front end position, the sliding block (54) is in sliding connection with the buffer cavity (52), a pressure sensor (55) is arranged on the side face, facing the conducting rod (57), of the sliding block (54), the stressed end face of the pressure sensor (55) is fixedly connected with the other end of the first spring (56), one end of the locking rod (59) is in sliding connection with the sliding cavity (510), the end face of the end is fixedly connected with one end of a second spring (512), the other end of the locking rod (59) is in sliding connection with the locking groove (58), and the other end of the second spring (512) is fixedly connected with the side wall, far away from the slide way (513), of the sliding, the upper end of telescopic link (7) passes drive groove (53) and is articulated with the lower terminal surface of slider (54), telescopic link (7) and drive groove (53) sliding connection, pressure sensor (55) are connected with first electro-magnet (511) electricity, conducting rod (57) and the anodal electricity of power of the inside left regulating block (3) of regulating groove (2), conducting rod (57) and the power negative pole electricity of the inside right regulating block (3) of regulating groove (2) are connected.

2. The automatic clamping device of claim 1, wherein: the linkage mechanism (6) comprises a driving block (61) and a sealing block (66), a sliding hole (64) is formed in the middle of the driving block (61), side plates (611) are symmetrically arranged on the front side and the rear side of the left end and the right end of the driving block (61) respectively, the upper surface of the driving block (61) is hinged to the lower end of the telescopic rod (7), a third spring (63) is symmetrically arranged on the lower surface of the driving block (61), cavities (69) are symmetrically arranged on the left side and the right side of the outer portion of the sliding hole (64), the side plates (611) are in sliding connection with side grooves (65) formed in the front side wall and the rear side wall of the inner cavity (12), one end of the third spring (63) is fixedly connected with the lower surface of the driving block (61), the other end of the third spring (63) is fixedly connected with the bottom of the inner cavity (12), the cavities (69) are communicated with the sliding hole (64), and wing plate grooves (62) are symmetrically, the wing plate groove (62) is communicated with the sliding hole (64) and the cavity (69), the middle position of the wing plate groove (62) is fixedly connected with a second electromagnet (610), the bottom end of the sealing block (66) is connected with the cavity (69) in a sliding way, the front end surface of the sealing block (66) penetrates through the cavity (69) and extends into the sliding hole (64), the bottom end surface of the sealing block (66) is fixedly connected with one end of a fourth spring (67), the other end of the fourth spring (67) is fixedly connected with the bottom side wall of the cavity (69), the front side and the back side of the closing block (66) close to the bottom end surface are provided with wing plates (68) which are in sliding connection with the wing plate grooves (62), the side surface of the wing plate (68) facing the second electromagnet (610) is provided with a magnet (612), the magnet (612) is opposite to the second electromagnet (610), and the second electromagnet (610) is electrically connected with the button (11).

3. The automatic clamping device of claim 1, wherein: adjusting mechanism (8) is including adjusting pole (81) and lead screw (85), the outside right side position of adjustment tank (2) is equipped with adjusts chamber (82), the front and back lateral wall symmetry of the inside right side regulating block (3) of adjustment tank (2) is equipped with rectangular plate (86), the lateral wall is equipped with rectangular groove (88) with rectangular plate (86) sliding connection around adjustment tank (2), rectangular plate (86) and regulating block (3) fixed connection, and the inside of rectangular plate (86) is equipped with screw hole (87), lead screw (85) and screw hole (87) threaded connection, the left end of lead screw (85) passes through the bearing with the left side wall of rectangular groove (88) and is connected, the right-hand member of lead screw (85) passes the right side wall of rectangular groove (88) and with from driving wheel (84) key-type connection, the right-hand member of adjusting pole (81) is located base (1) right side, and the right-hand member of adjusting pole (81) passes the left and right-hand side wall of adjusting, the left side wall and the right side wall of the adjusting rod (81) and the adjusting cavity (82) are connected through a bearing, the part of the adjusting rod (81) located inside the adjusting cavity (82) is connected with a driving wheel (83) in a key mode, and the driving wheel (83) is meshed with a driven wheel (84).

4. The automatic clamping device of claim 2, wherein: the length of the sealing block (66) is greater than half of the length of the sliding hole (64), and the central axis of the insertion hole (4) is coincident with the central line of the sliding hole (64).

5. The automatic clamping device of claim 1, wherein: the adjustable laser distance measuring device is characterized in that a display screen (10) is arranged on the upper surface of the base (1), a laser distance measuring instrument (9) is arranged on the right side wall of the adjusting block (3) on the inner left side of the adjusting groove (2), and the laser distance measuring instrument (9) is electrically connected with the display screen (10).