CN116399693A - Pressure maintaining box pressure point inspection equipment - Google Patents
Pressure maintaining box pressure point inspection equipment Download PDFInfo
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- CN116399693A CN116399693A CN202310060416.1A CN202310060416A CN116399693A CN 116399693 A CN116399693 A CN 116399693A CN 202310060416 A CN202310060416 A CN 202310060416A CN 116399693 A CN116399693 A CN 116399693A
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- 238000007689 inspection Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
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- 238000003825 pressing Methods 0.000 claims description 20
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- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 7
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- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/0202—Control of the test
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses pressure point inspection equipment of a pressure maintaining box, wherein a point inspection base is provided with a base plate, and the base plate is provided with a positioning jig; the base table panel is provided with a fixed mounting frame above the positioning jig, the fixed mounting frame is provided with a lifting movable frame and a lifting driving mechanism, the lifting driving mechanism is in driving connection with the lifting movable frame, the lifting movable frame is provided with an induction piece, and the fixed mounting frame is provided with a zero point position sensor and a distance measurement point position sensor; the lower end part of the lifting movable frame is provided with a laser displacement sensor and a plurality of sensor pressure head assemblies which are arranged at intervals, and each sensor pressure head assembly respectively comprises a pressure head mounting seat, a detection pressure head arranged at the lower end part of the pressure head mounting seat and a pressure sensor arranged at the upper end part of the pressure head mounting seat; the pressure maintaining box pressure spot inspection device further comprises a controller, and the spot inspection base station is further provided with a start button and a reset button. The pressure maintaining box has the advantages of novel structural design and strong adaptability, can detect a plurality of local point positions, and has good detection accuracy.
Description
Technical Field
The invention relates to the technical field of automatic equipment, in particular to pressure checking equipment for a pressure maintaining box.
Background
In the production and assembly process of the mobile phone and the tablet personal computer, the TP touch screen is connected with the outer frame in an adhesive mode; after the TP touch screen is bonded with the outer frame, the TP touch screen and the outer frame are required to be subjected to pressure maintaining by means of the pressure maintaining box, so that the stability and reliability of bonding of the TP touch screen and the outer frame are guaranteed.
When the pressure maintaining operation is carried out through the pressure maintaining box, the bottom die of the pressure maintaining box is connected with the top die of the pressure maintaining box, and the bottom die of the pressure maintaining box and the top die of the pressure maintaining box respectively act on the TP touch screen and the outer frame. The pressure maintaining box is used as a reusable product, and in order to ensure the accuracy of the pressure maintaining box during subsequent pressure maintaining use, the pressure maintaining box needs to be subjected to spot inspection so as to ensure that the pressure maintaining box used subsequently is not deformed.
It should be noted that, for the pressure maintaining box spot inspection apparatus in the prior art, it has the following drawbacks, in particular:
1. the pressure maintaining box cannot be subjected to detection of a plurality of local points, and the detection accuracy is poor;
2. the pressure maintaining box can not be automatically adapted to pressure maintaining boxes with different specifications, and the adaptability is poor.
Disclosure of Invention
The invention aims to provide pressure point detection equipment for the pressure maintaining box, which aims at overcoming the defects of the prior art, is novel in structural design and high in adaptability, can detect a plurality of local point positions of the pressure maintaining box, and is high in detection accuracy.
In order to achieve the above object, the present invention is achieved by the following technical scheme.
The pressure maintaining box pressure spot inspection equipment comprises a spot inspection base, wherein a base panel is arranged at the upper end part of the spot inspection base, and a positioning jig is arranged on the upper surface of the base panel;
the base table panel is provided with a fixed mounting frame above the positioning jig, the fixed mounting frame is provided with a lifting movable frame and a lifting driving mechanism, the lifting driving mechanism is in driving connection with the lifting movable frame, the lifting movable frame is provided with an induction piece, and the fixed mounting frame is provided with a zero position sensor and a distance measurement point position sensor below the zero position sensor;
the lower end part of the lifting movable frame is provided with a laser displacement sensor and a plurality of sensor pressure head assemblies which are arranged at intervals, and each sensor pressure head assembly respectively comprises a pressure head mounting seat, a detection pressure head arranged at the lower end part of the pressure head mounting seat and a pressure sensor arranged at the upper end part of the pressure head mounting seat;
the pressure maintaining box pressure spot inspection device also comprises a controller, and a lifting driving mechanism, a zero position sensor, a distance measuring point position sensor, a laser displacement sensor and pressure sensors are respectively and electrically connected with the controller; the spot inspection base station is also provided with a starting button and a reset button which are respectively and electrically connected with the controller;
the pressure maintaining box pressure point detection equipment detects the pressure maintaining box by adopting the following detection method, and specifically comprises the following steps:
step a, pressing a reset button, controlling a lifting driving mechanism to act by a controller, driving a lifting movable frame to move upwards by the lifting driving mechanism, and resetting the lifting movable frame to an initial zero position when the sensing piece moves to a zero position sensor position;
b, placing the pressure maintaining box on a positioning jig, and positioning the pressure maintaining box by the positioning jig;
step c, pressing a start button, and controlling the lifting driving mechanism to act by the controller, wherein the lifting driving drives the lifting movable frame to move downwards; when the sensing piece moves to the position of the ranging point position sensor, the lifting movable frame moves downwards to the ranging point position;
step d, when the lifting movable frame moves down to the position of the ranging point, the controller controls the laser displacement sensor to start, the laser displacement sensor detects the position of the upper surface of the pressure maintaining box, the laser displacement sensor feeds back the position information of the upper surface of the pressure maintaining box to the controller, the positioning jig is used as a ranging reference, and the height value of the pressure maintaining box can be obtained according to the position information of the upper surface of the pressure maintaining box; the controller compares the obtained height value of the pressure maintaining box with a height reference value, and when the difference value of the obtained height value and the obtained height reference value is within the tolerance range of the height reference value, the next work is carried out; when the difference value of the two is not within the tolerance range of the height reference value, the detected pressure maintaining box is deformed, the controller sends out alarm prompt information, controls the lifting driving mechanism to act, and drives the lifting movable frame to reset to the initial zero position through the lifting driving mechanism;
step e, when the detection of the height value of the pressure maintaining box is finished and the difference value between the height value of the pressure maintaining box and the height reference value is within the tolerance range of the height reference value, the controller controls the lifting driving mechanism to continue to act and drives the lifting movable frame to move downwards through the lifting driving mechanism, and the controller controls the position of the lifting movable frame according to the set downwards-pressing amount, wherein the downwards-pressing amount is expressed as the height of the lifting movable frame which continues to move downwards after the detection pressure head reaches the upper surface position of the pressure maintaining box;
step f, after the controller controls the lifting movable frame to move downwards to a designated position according to the pressing quantity, the lifting driving mechanism stops acting, namely, a pressure maintaining program is entered, at the moment, each detection pressure head applies pressure to the pressure maintaining box, each pressure sensor acquires the pressure value information of the corresponding detection pressure head in real time and feeds the pressure value information back to the controller in real time, the controller compares the real-time pressure value with a pressure reference value, when the difference value of the real-time pressure value and the pressure reference value is not within the tolerance range of the pressure reference value, the detected pressure maintaining box is deformed, the controller sends alarm prompt information, the controller controls the lifting driving mechanism to act, and the lifting movable seat is driven to reset to an initial zero position through the lifting driving mechanism; when the difference value of the two is within the tolerance range of the pressure reference value, the pressure maintaining box is not deformed;
and g, for the undeformed pressure maintaining box, after the pressure maintaining program reaches the pressure maintaining time required by the controller, the controller controls the lifting driving motor to act and enables the lifting movable frame to reset to the initial zero position.
The fixed mounting frame comprises a mounting frame bottom plate and a mounting frame top plate positioned at the upper end side of the mounting frame bottom plate, a plurality of bottom plate support columns arranged at intervals are arranged between the mounting frame bottom plate and the base plate top plate, the upper end parts of the bottom plate support columns are respectively in threaded connection with the mounting frame bottom plate, and the lower end parts of the bottom plate support columns are respectively in threaded connection with the base plate top plate;
a plurality of top plate support columns which are arranged at intervals are arranged between the mounting frame bottom plate and the mounting frame top plate, the upper end parts of the top plate support columns are respectively connected with the mounting frame top plate, and the lower end parts of the top plate support columns are respectively connected with the mounting frame bottom plate.
The lifting movable frame comprises a movable frame top plate positioned between the mounting frame top plate and the mounting frame bottom plate and a movable frame bottom plate positioned at the lower end side of the mounting frame bottom plate, a plurality of movable frame guide posts are arranged between the movable frame top plate and the movable frame bottom plate, the upper end parts of the movable frame guide posts are respectively connected with the movable frame top plate, and the lower end parts of the movable frame guide posts are respectively connected with the movable frame bottom plate;
the laser displacement sensors and the pressure head assemblies of the sensors are respectively arranged on the bottom plate of the movable frame;
the mounting frame bottom plate is provided with movable frame guide sleeves corresponding to the movable frame guide posts respectively, and the movable frame guide posts respectively penetrate through the center holes of the corresponding movable frame guide sleeves;
the sensing piece is arranged on the movable frame top plate, a sensor mounting rod is arranged between the mounting frame top plate and the mounting frame bottom plate, and the zero point position sensor and the distance measurement point position sensor are respectively arranged on the sensor mounting rod.
The lifting driving mechanism comprises a lifting driving motor arranged on the mounting frame top plate, and a lifting driving screw rod which is positioned between the mounting frame top plate and the mounting frame bottom plate and is vertically arranged, wherein the lifting driving motor is electrically connected with the control, and the upper end part and the lower end part of the lifting driving screw rod are respectively arranged on the mounting frame top plate and the mounting frame bottom plate on the corresponding sides through bearings;
the power output shaft of the lifting driving motor is in driving connection with the upper end part of the lifting driving screw rod through a synchronous belt transmission mechanism, and the movable frame top plate is provided with a lifting screw rod nut in a threaded manner, and the lifting screw rod nut is matched with the lifting driving screw rod.
Wherein, each pressure sensor and install respectively between the movable frame bottom plate vertical spring.
The zero point position sensor and the distance measurement point position sensor are respectively groove-type photoelectric sensors.
Compared with the prior art, the invention has the following beneficial effects:
1. in the process of detecting the pressure maintaining box by the pressure point detecting equipment of the pressure maintaining box, firstly, the lifting movable frame is moved to the position of the detecting point, then the upper surface position of the detected pressure maintaining box is detected by the laser displacement sensor to determine the height of the detected pressure maintaining box, and then the pressure maintaining program position of the lifting movable frame is determined according to the height value and the set pressing quantity, namely, the pressure point detecting equipment of the pressure maintaining box can be suitable for pressure maintaining box products with different height specifications and has strong adaptability;
2. in the process of detecting the pressure maintaining box by the pressure point detecting equipment of the pressure maintaining box, detecting a plurality of local point positions of the pressure maintaining box by a plurality of detecting pressure heads; through the multipoint detection mode, the invention can effectively improve the detection accuracy of the electric detection operation of the pressure maintaining box.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is a schematic view of a partial structure according to another view of the present invention.
Fig. 4 is a schematic structural view of the lifting movable frame of the present invention.
Fig. 1 to 4 include:
1-checking a base station; 11-a base deck plate; 2-positioning jig; 3-fixing the mounting frame; 31-a mounting bracket bottom plate; 32-a mounting rack top plate; 33-floor support columns; 34-roof support posts; 4-lifting the movable frame; 41-a movable frame top plate; 42-a movable frame bottom plate; 43-a movable frame guide post; 44-a movable frame guide sleeve; 5-lifting driving mechanism; 51-lifting driving motor; 52-lifting driving screw rods; 53-lifting screw nuts; 61-sensing piece; 621-zero position sensor; 622-ranging point position sensor; 63-a sensor mounting bar; 7-a laser displacement sensor 8-a sensor ram assembly; 81-a pressure head mounting seat; 82-detecting the pressure head; 83-a pressure sensor; 84-vertical springs; 91-start button; 92-reset button; 100-pressure maintaining box.
Description of the embodiments
In the first embodiment, as shown in fig. 1, a pressure maintaining box pressure spot inspection device comprises a spot inspection base 1, a base panel 11 is arranged at the upper end of the spot inspection base 1, and a positioning jig 2 is arranged on the upper surface of the base panel 11.
As shown in fig. 1 to 3, the base panel 11 is provided with a fixed mounting frame 3 above the positioning jig 2, the fixed mounting frame 3 is provided with a lifting movable frame 4 and a lifting driving mechanism 5, the lifting driving mechanism 5 is in driving connection with the lifting movable frame 4, the lifting movable frame 4 is provided with an induction piece 61, and the fixed mounting frame 3 is provided with a zero position sensor 621 and a ranging point position sensor 622 below the zero position sensor 621. It should be noted that, the zero point position sensor 621 and the ranging point position sensor 622 of the first embodiment are respectively slot-type photoelectric sensors; of course, the above-described sensor structure is not limited to the first embodiment, and the zero point position sensor 621 and the distance measurement point position sensor 622 of the first embodiment may be other sensor structures.
Further, as shown in fig. 1 to 4, the lower end portion of the lifting movable frame 4 is provided with a laser displacement sensor 7 and a plurality of sensor pressure head assemblies 8 arranged at intervals, and each sensor pressure head assembly 8 comprises a pressure head mounting seat 81, a detection pressure head 82 arranged at the lower end portion of the pressure head mounting seat 81 and a pressure sensor 83 arranged at the upper end portion of the pressure head mounting seat 81.
Further, the pressure maintaining box pressure point detecting device further comprises a controller, wherein the lifting driving mechanism 5, the zero position sensor 621, the distance measuring point position sensor 622, the laser displacement sensor 7 and the pressure sensors 83 are respectively and electrically connected with the controller; the spot inspection base 1 is further provided with a start button 91 and a reset button 92, and the start button 91 and the reset button 92 are respectively and electrically connected with the controller.
It should be noted that the pressure checking device of the pressure maintaining box of the first embodiment adopts the following detection method to detect the pressure maintaining box 100, and specifically includes the following steps:
step a, pressing a reset button 92, wherein the controller controls the lifting driving mechanism 5 to act, the lifting driving mechanism 5 drives the lifting movable frame 4 to move upwards, and when the sensing piece 61 moves to the position of the zero position sensor 621, the lifting movable frame 4 is reset to the initial zero position;
step b, placing the pressure maintaining box 100 on a positioning jig 2, and positioning the pressure maintaining box 100 by the positioning jig 2;
step c, pressing a start button 91, and controlling the lifting driving mechanism 5 to act by the controller, wherein the lifting driving drives the lifting movable frame 4 to move downwards; when the sensing piece 61 moves to the position of the ranging point position sensor 622, the lifting movable frame 4 moves down to the ranging point position;
step d, when the lifting movable frame 4 moves down to the position of the ranging point, the controller controls the laser displacement sensor 7 to start, the laser displacement sensor 7 detects the position of the upper surface of the pressure maintaining box 100, the laser displacement sensor 7 feeds back the position information of the upper surface of the pressure maintaining box 100 to the controller, the positioning jig 2 is used as a ranging reference, and the height value of the pressure maintaining box 100 can be obtained according to the position information of the upper surface of the pressure maintaining box 100; the controller compares the acquired height value of the pressure maintaining box 100 with a height reference value, and when the difference value of the two is within the tolerance range of the height reference value, the next step of work is carried out; when the difference value of the two is not within the tolerance range of the height reference value, the detected pressure maintaining box 100 is deformed, the controller sends out alarm prompt information, controls the lifting driving mechanism 5 to act, and drives the lifting movable frame 4 to reset to the initial zero position through the lifting driving mechanism 5;
step e, when the detection of the height value of the pressure maintaining box 100 is finished and the difference between the height value of the pressure maintaining box 100 and the height reference value is within the tolerance range of the height reference value, the controller controls the lifting driving mechanism 5 to continue to act and drives the lifting movable frame 4 to move downwards through the lifting driving mechanism 5, and the controller controls the position of the lifting movable frame 4 according to the set downwards-pressing amount, wherein the downwards-pressing amount is expressed as the height of the lifting movable frame 4 which continues to move downwards after the detection pressure head 82 reaches the upper surface position of the pressure maintaining box 100;
step f, after the controller controls the lifting movable frame 4 to move down to a designated position according to the pressing amount, the lifting driving mechanism 5 stops acting, namely, a pressure maintaining program is entered, at the moment, each detection pressure head 82 presses the pressure maintaining box 100, each pressure sensor 83 acquires the pressure value information of the corresponding detection pressure head 82 in real time and feeds the pressure value information back to the controller in real time, the controller compares the real-time pressure value with a pressure reference value, when the difference value of the real-time pressure value and the pressure reference value is not within the tolerance range of the pressure reference value, the detected pressure maintaining box 100 is deformed, the controller sends out alarm prompt information, the controller controls the lifting driving mechanism 5 to act, and the lifting movable seat is driven to reset to an initial zero point position through the lifting driving mechanism 5; when the difference value is within the tolerance range of the pressure reference value, the pressure maintaining box 100 is not deformed;
step g, for the undeformed pressure maintaining box 100, after the pressure maintaining program reaches the pressure maintaining time required by the controller, the controller controls the lifting driving motor 51 to act and enables the lifting movable frame 4 to reset to the initial zero position.
It should be explained that the pressure checking device of the pressure maintaining box of the first embodiment may be suitable for checking the bottom die of the pressure maintaining box 100, and correspondingly, the positioning fixture 2 installed on the base plate 11 is the positioning fixture 2 adapted to the bottom die of the pressure maintaining box 100. In addition, the pressure checking device of the pressure maintaining box of the first embodiment can be suitable for checking the top mold of the pressure maintaining box 100, and correspondingly, the positioning fixture 2 installed on the base plate 11 is the positioning fixture 2 adapted to the top mold of the pressure maintaining box 100.
It should be noted that, in the process of detecting the pressure maintaining box 100 by the pressure maintaining box pressure point detecting device of the first embodiment, the lifting movable frame 4 is moved to the detecting point position, then the upper surface position of the detected pressure maintaining box 100 is detected by the laser displacement sensor 7 to determine the height of the detected pressure maintaining box 100, and then the pressure maintaining program position of the lifting movable frame 4 is determined according to the height value and the set pressing amount, i.e. the pressure maintaining box pressure point detecting device of the first embodiment can be suitable for pressure maintaining box 100 products with different height specifications, and has strong adaptability.
In other words, in the process of detecting the pressure maintaining box 100 by the pressure point detecting device of the pressure maintaining box in the first embodiment, the first embodiment detects a plurality of local point positions of the pressure maintaining box 100 by a plurality of detecting pressure heads 82; through the above-mentioned multi-point detection manner, the first embodiment of the present invention can effectively improve the detection accuracy of the electrical inspection operation of the pressure maintaining box 100.
In summary, the pressure checking device of the pressure maintaining box of the first embodiment has the advantages of novel structural design and strong adaptability, and can detect a plurality of local points of the pressure maintaining box 100 with good detection accuracy.
As shown in fig. 1 to 3, the second embodiment is different from the first embodiment in that: the fixed mounting frame 3 comprises a mounting frame bottom plate 31 and a mounting frame top plate 32 positioned on the upper end side of the mounting frame bottom plate 31, a plurality of bottom plate support columns 33 which are arranged at intervals are arranged between the mounting frame bottom plate 31 and the base plate panel 11, the upper end parts of the bottom plate support columns 33 are respectively in threaded connection with the mounting frame bottom plate 31, and the lower end parts of the bottom plate support columns 33 are respectively in threaded connection with the base plate panel 11; a plurality of top plate supporting columns 34 which are arranged at intervals are arranged between the mounting frame bottom plate 31 and the mounting frame top plate 32, the upper end parts of the top plate supporting columns 34 are respectively connected with the mounting frame top plate 32, and the lower end parts of the top plate supporting columns 34 are respectively connected with the mounting frame bottom plate 31.
As shown in fig. 1 to 4, the third embodiment is different from the second embodiment in that: the lifting movable frame 4 comprises a movable frame top plate 41 positioned between the mounting frame top plate 32 and the mounting frame bottom plate 31, and a movable frame bottom plate 42 positioned at the lower end side of the mounting frame bottom plate 31, a plurality of movable frame guide posts 43 are arranged between the movable frame top plate 41 and the movable frame bottom plate 42, the upper end parts of the movable frame guide posts 43 are respectively connected with the movable frame top plate 41, and the lower end parts of the movable frame guide posts 43 are respectively connected with the movable frame bottom plate 42.
The laser displacement sensor 7 and each sensor ram assembly 8 are respectively mounted on the movable frame base plate 42.
Further, the mounting frame bottom plate 31 is provided with movable frame guide sleeves 44 corresponding to the movable frame guide posts 43 respectively, and each movable frame guide post 43 respectively passes through the central hole of the corresponding movable frame guide sleeve 44.
Further, the sensing piece 61 is mounted on the movable frame top plate 41, the sensor mounting rod 63 is mounted between the mounting frame top plate 32 and the mounting frame bottom plate 31, and the zero point position sensor 621 and the distance measuring point position sensor 622 are mounted on the sensor mounting rod 63, respectively.
In the process of driving the lifting movable frame 4 to move up and down by the lifting driving mechanism 5, the movable frame guide post 43 is matched with the movable frame guide sleeve 44, so that the lifting movable frame 4 can be ensured to move stably and reliably.
As shown in fig. 1 to 3, the fourth embodiment differs from the third embodiment in that: the lifting driving mechanism 5 comprises a lifting driving motor 51 arranged on the mounting frame top plate 32, a lifting driving screw rod 52 which is arranged between the mounting frame top plate 32 and the mounting frame bottom plate 31 in a vertical mode, wherein the lifting driving motor 51 is electrically connected with the control, and the upper end part and the lower end part of the lifting driving screw rod 52 are respectively arranged on the mounting frame top plate 32 and the mounting frame bottom plate 31 on the corresponding sides through bearings.
Wherein, the power output shaft of the lifting driving motor 51 is in driving connection with the upper end part of the lifting driving screw rod 52 through a synchronous belt transmission mechanism, the movable frame top plate 41 is provided with a lifting screw rod nut 53 in a threaded manner, and the lifting screw rod nut 53 is matched with the lifting driving screw rod 52.
In the process that the lifting driving mechanism 5 drives the lifting movable frame 4 to move up and down in the fourth embodiment, the lifting driving motor 51 drives the lifting driving screw rod 52 to rotate through the synchronous belt transmission mechanism, the lifting driving screw rod 52 which rotates drives the lifting screw rod nut 53 to move up and down, and the lifting screw rod nut 53 which moves up and down drives the lifting movable frame 4 to move up and down.
As shown in fig. 3 and 4, the fifth embodiment is different from the first embodiment in that: vertical springs 84 are respectively installed between each pressure sensor 83 and the movable frame bottom plate 42.
For each sensor pressure head assembly 8, the pressure sensor 83, the pressure head mounting seat 81 and the detection pressure head 82 which are sequentially connected from top to bottom are integrated, and the integrated parts synchronously move; by adding the vertical spring 84, the fifth embodiment can make the detection pressure head 82 act on the upper surface of the pressure maintaining box 100 in an elastic pressing manner, so that the problem that the pressure maintaining box 100 deforms due to direct rigid collision pressing can be effectively avoided.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (6)
1. Pressure checking equipment of pressure maintaining box, its characterized in that: the spot inspection device comprises a spot inspection base (1), wherein a base panel (11) is arranged at the upper end part of the spot inspection base (1), and a positioning jig (2) is arranged on the upper surface of the base panel (11);
the base table panel (11) is provided with a fixed mounting frame (3) positioned above the positioning jig (2), the fixed mounting frame (3) is provided with a lifting movable frame (4) and a lifting driving mechanism (5), the lifting driving mechanism (5) is in driving connection with the lifting movable frame (4), the lifting movable frame (4) is provided with an induction piece (61), and the fixed mounting frame (3) is provided with a zero point position sensor (621) and a distance measurement point position sensor (622) positioned below the zero point position sensor (621);
the lower end part of the lifting movable frame (4) is provided with a laser displacement sensor (7) and a plurality of sensor pressure head assemblies (8) which are arranged at intervals, and each sensor pressure head assembly (8) comprises a pressure head mounting seat (81), a detection pressure head (82) arranged at the lower end part of the pressure head mounting seat (81) and a pressure sensor (83) arranged at the upper end part of the pressure head mounting seat (81);
the pressure maintaining box pressure point detection device also comprises a controller, a lifting driving mechanism (5), a zero position sensor (621), a distance measuring point position sensor (622), a laser displacement sensor (7) and pressure sensors (83) are respectively and electrically connected with the controller; the spot inspection base station (1) is also provided with a starting button (91) and a reset button (92), and the starting button (91) and the reset button (92) are respectively and electrically connected with the controller;
the pressure maintaining box pressure spot inspection equipment adopts the following detection method to detect the pressure maintaining box (100), and specifically comprises the following steps:
step a, pressing a reset button (92), wherein the controller controls the lifting driving mechanism (5) to act, the lifting driving mechanism (5) drives the lifting movable frame (4) to move upwards, and when the sensing piece (61) moves to the position of the zero position sensor (621), the lifting movable frame (4) is reset to the initial zero position;
step b, placing the pressure maintaining box (100) on a positioning jig (2), and positioning the pressure maintaining box (100) by the positioning jig (2);
step c, pressing a start button (91), and controlling the lifting driving mechanism (5) to act by the controller, wherein the lifting driving drives the lifting movable frame (4) to move downwards; when the sensing piece (61) moves to the position of the ranging point position sensor (622), the lifting movable frame (4) moves downwards to the ranging point position;
step d, when the lifting movable frame (4) moves down to the position of the ranging point, the controller controls the laser displacement sensor (7) to start, the laser displacement sensor (7) detects the position of the upper surface of the pressure maintaining box (100), the laser displacement sensor (7) feeds back the position information of the upper surface of the pressure maintaining box (100) to the controller, the positioning jig (2) is used as a ranging reference, and the height value of the pressure maintaining box (100) can be obtained according to the position information of the upper surface of the pressure maintaining box (100); the controller compares the acquired height value of the pressure maintaining box (100) with a height reference value, and when the difference value of the two is within the tolerance range of the height reference value, the next step of work is carried out; when the difference value of the two is not within the tolerance range of the height reference value, the detected pressure maintaining box (100) is deformed, the controller sends out alarm prompt information, controls the lifting driving mechanism (5) to act, and drives the lifting movable frame (4) to reset to the initial zero point position through the lifting driving mechanism (5);
step e, when the detection of the height value of the pressure maintaining box (100) is finished and the difference value between the height value of the pressure maintaining box (100) and the height reference value is within the tolerance range of the height reference value, the controller controls the lifting driving mechanism (5) to continuously act and drives the lifting movable frame (4) to move downwards through the lifting driving mechanism (5), and the controller controls the position of the lifting movable frame (4) according to the set pressing quantity, wherein the pressing quantity is expressed as the continuous moving height of the lifting movable frame (4) after the detection pressing head (82) reaches the upper surface position of the pressure maintaining box (100);
f, after the controller controls the lifting movable frame (4) to move downwards to a designated position according to the pressing quantity, the lifting driving mechanism (5) stops acting, namely, a pressure maintaining program is entered, at the moment, each detection pressure head (82) presses the pressure maintaining box (100), each pressure sensor (83) acquires pressure value information of the corresponding detection pressure head (82) in real time and feeds the pressure value information back to the controller in real time, the controller compares the real-time pressure value with a pressure reference value, when the difference value of the real-time pressure value and the pressure reference value is not within the tolerance range of the pressure reference value, the detected pressure maintaining box (100) is deformed, the controller sends alarm prompt information, the controller controls the lifting driving mechanism (5) to act, and the lifting movable seat is driven to reset to an initial zero position through the lifting driving mechanism (5); when the difference value of the two is within the tolerance range of the pressure reference value, the pressure maintaining box (100) is not deformed;
and g, for the undeformed pressure maintaining box (100), when the pressure maintaining program reaches the pressure maintaining time required by the controller, the controller controls the lifting driving motor (51) to act and enables the lifting movable frame (4) to reset to the initial zero position.
2. The pressure maintaining box pressure point inspection device according to claim 1, wherein: the fixed mounting frame (3) comprises a mounting frame bottom plate (31) and a mounting frame top plate (32) positioned at the upper end side of the mounting frame bottom plate (31), a plurality of bottom plate support columns (33) which are arranged at intervals are arranged between the mounting frame bottom plate (31) and the base plate (11), the upper end parts of the bottom plate support columns (33) are respectively in threaded connection with the mounting frame bottom plate (31), and the lower end parts of the bottom plate support columns (33) are respectively in threaded connection with the base plate (11);
a plurality of top plate supporting columns (34) which are arranged at intervals are arranged between the mounting frame bottom plate (31) and the mounting frame top plate (32), the upper end parts of the top plate supporting columns (34) are respectively connected with the mounting frame top plate (32), and the lower end parts of the top plate supporting columns (34) are respectively connected with the mounting frame bottom plate (31).
3. A pressure maintaining box pressure point inspection device according to claim 2, characterized in that: the lifting movable frame (4) comprises a movable frame top plate (41) positioned between the mounting frame top plate (32) and the mounting frame bottom plate (31) and a movable frame bottom plate (42) positioned at the lower end side of the mounting frame bottom plate (31), a plurality of movable frame guide posts (43) are arranged between the movable frame top plate (41) and the movable frame bottom plate (42), the upper end parts of the movable frame guide posts (43) are respectively connected with the movable frame top plate (41), and the lower end parts of the movable frame guide posts (43) are respectively connected with the movable frame bottom plate (42);
the laser displacement sensors (7) and the sensor pressure head assemblies (8) are respectively arranged on the movable frame bottom plate (42);
the mounting frame bottom plate (31) is provided with movable frame guide sleeves (44) corresponding to the movable frame guide posts (43) respectively, and the movable frame guide posts (43) respectively penetrate through the center holes of the corresponding movable frame guide sleeves (44);
the sensor plate (61) is arranged on the movable frame top plate (41), a sensor mounting rod (63) is arranged between the mounting frame top plate (32) and the mounting frame bottom plate (31), and the zero point position sensor (621) and the distance measuring point position sensor (622) are respectively arranged on the sensor mounting rod (63).
4. A pressure maintaining box pressure point inspection device according to claim 3, characterized in that: the lifting driving mechanism (5) comprises a lifting driving motor (51) arranged on the mounting frame top plate (32), and a lifting driving screw rod (52) which is arranged between the mounting frame top plate (32) and the mounting frame bottom plate (31) in a vertical mode, wherein the lifting driving motor (51) is electrically connected with the control, and the upper end part and the lower end part of the lifting driving screw rod (52) are respectively arranged on the mounting frame top plate (32) and the mounting frame bottom plate (31) on the corresponding sides through bearings;
the power output shaft of the lifting driving motor (51) is in driving connection with the upper end part of the lifting driving screw rod (52) through a synchronous belt transmission mechanism, the lifting screw rod nut (53) is screwed on the movable frame top plate (41), and the lifting screw rod nut (53) is matched with the lifting driving screw rod (52).
5. The pressure maintaining box pressure point inspection device according to claim 1, wherein: a vertical spring (84) is respectively arranged between each pressure sensor (83) and the movable frame bottom plate (42).
6. The pressure maintaining box pressure point inspection device according to claim 1, wherein: the zero point position sensor (621) and the distance measurement point position sensor (622) are respectively groove-type photoelectric sensors.
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