CN114778408A - Automatic change waterproof test platform of business turn over - Google Patents
Automatic change waterproof test platform of business turn over Download PDFInfo
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- CN114778408A CN114778408A CN202210377633.9A CN202210377633A CN114778408A CN 114778408 A CN114778408 A CN 114778408A CN 202210377633 A CN202210377633 A CN 202210377633A CN 114778408 A CN114778408 A CN 114778408A
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- 238000007789 sealing Methods 0.000 claims description 109
- 238000009434 installation Methods 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 14
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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Abstract
The invention provides an automatic in-out waterproof test platform which comprises an equipment main body, wherein a plurality of drawers are arranged on the equipment main body, driving equipment is connected to the outside of each drawer, a test mechanism is connected in a placing groove inside each drawer, the test mechanism is connected with a power mechanism, and the power mechanism and the driving equipment are connected with a control mechanism; the control mechanism controls the driving device and the power mechanism to work, automatically completes the waterproof test of a product to be tested, replaces manual operation, solves the problem that the traditional small device for testing the waterproof performance of fabrics with waterproof effect, such as paper diapers, is simpler, is not beneficial to observing the result of the waterproof test, basically tests through manual operation, increases the technical problem that the labor force influences the test result easily due to human errors.
Description
Technical Field
The invention relates to the technical field of waterproof tests, in particular to a waterproof test platform capable of automatically entering and exiting.
Background
At present, in the process of production or verification of sanitary products such as paper diapers and the like, waterproof testing needs to be carried out on fabrics of the sanitary products so as to keep the quality of the produced products in a critical condition.
However, the traditional small-sized device for testing the waterproof performance of the waterproof fabrics such as the paper diapers is simpler, is not beneficial to observing the waterproof test result, basically adopts manual operation to test, increases labor force, and is easy to influence the test result due to human errors.
Disclosure of Invention
The invention provides an automatic in-out waterproof test platform, which is used for solving the technical problems that the traditional small device for testing the waterproof performance of waterproof fabrics such as paper diapers is simple, is not beneficial to observing the waterproof test result, is basically manually operated to test, increases labor force and is easy to influence at least one item of test result due to human errors.
In order to solve the technical problem, the invention discloses an automatic in-out waterproof test platform which comprises an equipment main body, wherein a plurality of drawers are arranged on the equipment main body, driving equipment is connected to the outer portions of the drawers, a test mechanism is connected to a placing groove in the drawer, the test mechanism is connected with a power mechanism, and the power mechanism and the driving equipment are connected with a control mechanism.
Preferably, the equipment main body is provided with a plurality of installation cavities along the vertical direction from top to bottom, the installation cavities correspond to the drawers one to one, guide rails are arranged on the left side and the right side of the installation cavities, and the guide rails are connected with the drawers in a sliding mode.
Preferably, the driving device comprises an electric telescopic rod, the electric telescopic rod is arranged at the rear end of the drawer, and the electric telescopic rod is used for controlling the drawer to slide along the installation cavity.
Preferably, the testing mechanism includes anchor clamps down, the lower extreme of anchor clamps and the bottom fixed connection of standing groove down, the upper end middle part of anchor clamps is equipped with down and places the storehouse, the front end intercommunication of placing the storehouse has the inlet, the left and right sides both ends symmetry of anchor clamps down is equipped with the support groove, the lower extreme of placing the storehouse passes through test hole and cavity intercommunication, the cavity sets up inside the downside of anchor clamps down.
Preferably, the testing mechanism further comprises an upper clamp, a sealing cavity is arranged in the middle of the lower end of the upper clamp, two clamping grooves II are symmetrically formed in the left side and the right side of the sealing cavity, a first sealing block is arranged in the sealing cavity in a sliding mode, two clamping grooves I are symmetrically formed in the left end and the right end of the first sealing block, and the first clamping grooves are communicated with the second clamping grooves.
Preferably, the middle of the lower end of the first sealing block is provided with an air inlet cavity, the front end of the air inlet cavity is communicated with an air inlet, the air inlet cavity and the sealing cavity are sequentially communicated, a first spring is fixedly arranged in the first clamping groove, the first spring is fixedly connected with a clamping block, the clamping block is in sliding connection with the first clamping groove, and the clamping block is matched with the second clamping groove.
Preferably, power unit includes air pump, feed liquor pump, air cylinder and waterproof instrument push down, the air pump pass through the intake pipe with the air inlet intercommunication, the feed liquor pump pass through the feed liquor pipe with the inlet intercommunication, the air cylinder is fixed to be set up push down the upper end of installation cavity, and push down the middle part fixed connection of air cylinder and backup pad, with backup pad fixed connection, and push down the upper end that the air cylinder runs through anchor clamps with a sealing block fixed connection, both ends fixedly connected with support column about the backup pad, the support column with support the groove cooperation, institute waterproof instrument sets up place in the storehouse, be used for detecting place the atmospheric pressure change in the storehouse.
Preferably, control mechanism includes contact head, contact switch, a plurality of starting switch, a plurality of start button, PLC control and IO module of opening and close, a plurality of starting switch are connected with electric telescopic handle, air pump, feed liquor pump, push down the cylinder electricity respectively, a plurality of start button open and close respectively through PLC control and IO module control rather than correspond the start switch work of electricity connection, push down the cylinder and be connected with the contact switch electricity, contact switch sets up the rear side of installation cavity, the contact head sets up the rear side of drawer.
Preferably, still include a plurality of stabilizing mean, a plurality of stabilizing mean set up respectively in a plurality of the standing groove, and stabilizing mean with lower anchor clamps fixed connection, stabilizing mean includes:
base: the lower end of the base is fixedly connected with the bottom end of the placing groove, the lower end of the base is fixedly connected with the placing groove, a mounting groove is formed in the middle of the upper end of the base, a first movable cavity is formed in the base, a second movable cavity is communicated with the middle of the lower end of the mounting groove, the left side and the right side of the lower end of the mounting groove are communicated with a first sliding groove, the mounting groove is communicated with the first movable cavity through the first sliding groove, and the left side and the right side of the lower end of the first movable cavity are communicated with a second sliding groove;
the mounting plate is arranged in the mounting groove in a sliding mode, the upper end of the mounting plate is fixedly connected with the lower clamp, first sliding blocks are symmetrically arranged on the left side and the right side of the lower end of the mounting plate, the first sliding blocks penetrate through the first sliding grooves and enter the first movable cavity, the first sliding blocks are connected with the first sliding grooves in a sliding mode, and a positioning groove is formed in the middle of the lower end of the mounting plate;
the two third sliding blocks are respectively arranged in the sliding grooves II on the left side and the right side, the upper sides of the third sliding blocks are connected with the connecting column in a sliding mode, the lower ends of the third sliding blocks are connected with the lower ends of the second sliding grooves in a sliding mode, a second spring is fixedly arranged between the third sliding blocks and the side walls of the second sliding grooves, the second spring is sleeved on the connecting column, and the connecting column is fixedly arranged between the left end and the right end of the upper side of the second sliding grooves;
the two sliding blocks II are symmetrically arranged on the left side and the right side of the first movable cavity, a plurality of control grooves I are uniformly distributed at the lower ends of the sliding blocks II along the left horizontal direction at intervals, the lower ends of the sliding blocks II are in contact with a plurality of guide wheels, the guide wheels are uniformly distributed at the lower ends of the movable cavity I at intervals, a sliding groove III is arranged at one end, close to each other, of the sliding blocks II, the sliding groove III is fixedly connected with a spring III, the spring III is fixedly connected with a clamping plate, and an arc-shaped groove is arranged at one end, close to each other, of the clamping plate;
the upper end of the limiting rod is matched with the positioning groove, the left end and the right end of the upper side of the limiting rod are rotatably provided with rotating rods, the rotating rods are arranged in the second movable cavity, the rotating rods are rotatably connected with the second sliding block, the lower end of the limiting rod is fixedly connected with a fourth spring, the fourth spring is fixedly arranged in a groove, the limiting rod is slidably connected with the groove, the groove is formed in the upper end of the first fixed block, and the first fixed block is fixedly connected with the lower end of the first movable cavity;
the arc-shaped groove is used for clamping the limiting rod.
Preferably, still include a plurality of automatic sealing mechanism, a plurality of automatic sealing mechanism set up respectively in a plurality of installation cavities, and automatic sealing mechanism is used for sealing the drawer automatic sealing mechanism includes:
the power groove is arranged on the front side of the lower end of the installation cavity, a power cavity is arranged on the rear side of the installation cavity and communicated with the installation cavity, the power groove is communicated with the installation cavity through a fixing hole, an opening is formed in the front end of the installation cavity, and the opening is connected with the drawer in a sliding mode;
the motor is arranged in the power cavity and fixedly connected with the second rotating shaft, the second rotating shaft is rotatably arranged in the power cavity, the thread section of the second rotating shaft is in threaded connection with the thread block, the cylindrical section of the second rotating shaft is fixedly connected with the third bevel gear, the third bevel gear is meshed with the fourth bevel gear, the fourth bevel gear is fixedly connected with the threaded rod, the threaded rod is in threaded connection with the threaded plate, and the lower end of the threaded plate is in sliding connection with the lower end of the power groove;
the first gear is rotatably arranged in the fixing hole, the upper side of the first gear penetrates through the upper end of the fixing hole and is meshed with the second rack, the lower side of the first gear penetrates through the lower end of the fixing hole and is meshed with the first rack, the first rack is fixedly connected with the upper end of the threaded plate, and the second rack is fixedly connected with the lower end of the drawer;
the second fixing block is fixedly connected with the front end of the equipment main body, the second fixing block is rotatably connected with a second gear, the second gear is meshed with the first rack, the second gear is rotatably connected with a first connecting shaft, the first connecting shaft is fixedly connected with a second sealing block, a first sealing gasket is fixedly arranged at the rear end of the second sealing block, and the first sealing gasket is matched with the opening;
the two rotating blocks are rotatably arranged at the left end and the right end of the second sealing block through a second connecting shaft, one ends of the rotating blocks, far away from the second sealing block, are rotatably connected with sliding shafts, the sliding shafts are slidably connected with a fifth sliding groove, and the fifth sliding groove is formed in the left end and the right end of the equipment main body;
the two sealing plates are rotatably arranged at the front end and the rear end of the installation cavity, a second sealing gasket is fixedly arranged at the lower ends of the sealing plates, guide grooves are formed in the upper ends of the sealing plates and are in rolling connection with rotating wheels, the rotating wheels are rotatably connected with vertical rods, the vertical rods at the front side and the rear side are fixedly connected with horizontal rods, the horizontal rods are fixedly connected with the thread blocks, and the horizontal rods are in sliding connection with the sliding cavity along the vertical direction;
the mounting cavity is communicated with the power cavity through a sliding cavity, and the second sealing gasket is attached to the inner wall of the upper side of the placing groove;
and after the second sealing gasket is attached to the inner wall of the upper side of the placing groove, the front end and the rear end of the sealing plate are contacted with one ends, close to each other, of the sealing plates, the arc grooves of the sealing plates form mounting holes, and sealing rings are fixedly arranged in the arc grooves of the sealing plates.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an external view of the present invention;
FIG. 2 is a schematic view of the internal structure of the installation cavity of the present invention;
FIG. 3 is a schematic structural diagram of a testing mechanism according to the present invention;
FIG. 4 is a schematic view of the structure of the stabilizing base of the present invention;
FIG. 5 is a first schematic view of an automatic sealing structure of the present invention;
FIG. 6 is a second schematic view of the automatic sealing structure of the present invention;
fig. 7 is a schematic top view of the sealing plate of the present invention.
In the figure: 1. an apparatus main body; 101. a mounting cavity; 102. a guide rail; 2. a drawer; 201. a placement groove; 3. a testing mechanism; 301. a lower clamp; 302. placing a bin; 303. a liquid inlet; 304. an upper clamp; 305. sealing the cavity; 306. a first sealing block; 307. an air inlet cavity; 308. an air inlet; 309. a first clamping groove; 310. a second clamping groove; 311. a first spring; 312. a clamping block; 4. a power mechanism; 5. a support column; 501. a support plate; 6. a base; 601. a first sliding groove; 602. mounting grooves; 603. a first movable cavity; 604. a second movable cavity; 605. mounting a plate; 606. positioning a groove; 607. a first sliding block; 608. a second sliding block; 609. a third spring; 610. rotating the rod; 611. a second sliding groove; 612. a second spring; 613. a guide wheel; 614. a third sliding block; 615. a splint; 616. connecting columns; 617. a limiting rod; 618. a first fixing block; 619. a groove; 620. a fourth spring; 621. a third sliding groove; 7. a power tank; 701. a motor; 702. a thread block; 703. a second rotating shaft; 704. a third bevel gear; 705. a fourth bevel gear; 706. a threaded rod; 707. a thread plate; 708. a first rack; 709. a first gear; 710. a fixing hole; 711. a second fixing block; 712. a second gear; 713. connecting a column I; 714. a second sealing block; 715. a first sealing gasket; 716. a power cavity; 717. a second rack; 718. rotating the block; 719. a fifth sliding groove; 720. a sliding shaft; 721. sealing plates; 722. a guide groove; 723. a second sealing gasket; 724. a horizontal bar; 725. a vertical rod; 726. a rotating wheel; 727. a sliding cavity; 728. an opening; 729. mounting holes; 730. a seal ring; 8. a test well; 9. a cavity.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Example 1
The embodiment of the invention provides an automatic in-and-out waterproof test platform, which comprises the following components as shown in figures 1-3: the device comprises a device main body 1, wherein a plurality of drawers 2 are arranged on the device main body 1, the exterior of each drawer 2 is connected with a driving device, a testing mechanism 3 is connected in a placing groove 201 in each drawer 2, the testing mechanism 3 is connected with a power mechanism 4, and the power mechanism and the driving device are connected with a control mechanism;
the equipment main body 1 is provided with a plurality of installation cavities 101 in the vertical direction, the installation cavities 101 correspond to the drawers 2 one by one, guide rails 102 are arranged on the left side and the right side of the installation cavities 101, and the guide rails 102 are connected with the drawers 2 in a sliding manner;
the driving device comprises an electric telescopic rod, the electric telescopic rod is arranged at the rear end of the drawer 2, and the electric telescopic rod is used for controlling the drawer 2 to slide along the installation cavity 101;
the testing mechanism 3 comprises a lower clamp 301, the lower end of the lower clamp 301 is fixedly connected with the bottom end of the placing groove 201, a placing bin 302 is arranged in the middle of the upper end of the lower clamp 301, the front end of the placing bin 302 is communicated with a liquid inlet 303, the left end and the right end of the lower clamp 301 are symmetrically provided with supporting grooves 413, the lower end of the placing bin 302 is communicated with a cavity 9 through a testing hole 8, and the cavity 9 is arranged inside the lower side of the lower clamp 301;
the testing mechanism 3 further comprises an upper clamp 304, a sealing cavity 305 is arranged in the middle of the lower end of the upper clamp 304, two clamping grooves two 310 are symmetrically arranged on the left side and the right side of the sealing cavity 305, a sealing block I306 is slidably arranged in the sealing cavity 305, clamping grooves I309 are symmetrically arranged on the left end and the right end of the sealing block I306, and the clamping grooves I309 are communicated with the clamping grooves two 310;
an air inlet cavity 307 is arranged in the middle of the lower end of the first sealing block 306, an air inlet 308 is communicated with the front end of the air inlet cavity 307, the air inlet 308, the air inlet cavity 307 and the sealing cavity 305 are sequentially communicated, a first spring 311 is fixedly arranged in the first clamping groove 309, the first spring 311 is fixedly connected with a clamping block 312, the clamping block 312 is slidably connected with the first clamping groove 309, and the clamping block 312 is matched with the second clamping groove 310;
power unit 4 includes air pump, feed liquor pump, air cylinder 502 and waterproof instrument push down, the air pump pass through the intake pipe with air inlet 308 intercommunication, the feed liquor pump pass through the feed liquor pipe with inlet 303 intercommunication, push down the fixed setting of air cylinder 502 is in the upper end of installation cavity 101, and push down the middle part fixed connection of air cylinder 502 and backup pad 501, and push down the air cylinder 502 run through the upper end of anchor clamps 304 with a sealed piece 306 fixed connection, backup pad 501 controls both ends fixedly connected with support column 5, support column 5 with support groove 304 cooperation, waterproof instrument sets up place in the storehouse 302, be used for detecting place the atmospheric pressure change in the storehouse 302.
The waterproof instrument is a waterproof pressure gauge.
The beneficial effects of the above technical scheme are:
through the cooperation of the drawer 2 and the guide rail 102, the extending and closing of the drawer 2 are guided, when a product to be tested is subjected to waterproof detection, firstly, the electric telescopic rod is controlled to extend out, the drawer 2 extends out of the installation cavity 101, then, the product to be tested is placed into the placing cabin 302 of the lower clamp 301, so that the product to be tested blocks the test hole 8, the product to be tested can be fixed in the placing cabin 302, the situation that the test hole 8 cannot be blocked due to deviation in the test process of the product to be tested is avoided, then, the electric telescopic rod is controlled to contract, the drawer 2 is driven to enter the installation cavity 101 to complete closing, after the drawer 2 is closed, the lower air cylinder 502 is controlled to work, the telescopic shaft of the lower air cylinder 502 drives the support plate 501 and the upper clamp 304 to move downwards, the support column 5 connected to the support plate 501 is firstly matched with the support groove 304, and the positioning and guiding effects are exerted on the lower air cylinder 502 and the upper clamp 304, after the upper clamp 304 is contacted with the lower clamp 301, the telescopic shaft of the lower air cylinder 502 continues to move downwards, the spring I311 contracts to separate the clamping block 312 from the clamping groove I309, so that the telescopic shaft of the lower air cylinder 502 drives the sealing block I306 to move downwards until the sealing block I306 is extruded and attached to the upper end of the placing bin 302 to complete the sealing of the placing bin 302, the sealing block I306 is arranged in the upper clamp 304 to improve the closing and sealing performance of the upper clamp 304 and the lower clamp 301, so that the accuracy of a detection result is improved, after the upper clamp 304 and the lower clamp 301 are closed, the liquid inlet pump is controlled to work, a certain amount of water is added into the placing bin 302 through the liquid inlet 303 to cover a product to be tested, then the air pump is controlled to work, high-pressure air is introduced into the placing bin 302 through the air inlet 308, the air pressure stable state is kept in the process of introducing air into the placing bin 302, and the work of the waterproof instrument is controlled, the waterproof of the product of awaiting measuring is judged to the detected value change through observing waterproof instrument, if waterproof instrument's detection variation value is not conform to the default, it is waterproof not enough to show the product of awaiting measuring, there is water to get into in test hole 8 and the cavity 9 through the product of awaiting measuring, the product of awaiting measuring is unqualified, it is fairly simple to have solved the tradition and be used for the surface fabric that has waterproof effect such as panty-shape diapers to carry out the small-size device of waterproof performance test, be unfavorable for carrying out the technical problem who observes the result of waterproof test, control mechanism controls above-mentioned drive arrangement and power unit 4 work, the waterproof test of the product of awaiting measuring is accomplished automatically, manual operation has been replaced, manual operation has been solved and has been tested, the labour has still easily because the technical problem of human error influence test result.
Example 2
On the basis of embodiment 1, the control mechanism includes a contact head, a contact switch, a plurality of starting switches, a plurality of start-stop buttons, a PLC control module and an I/O module, the plurality of starting switches are respectively electrically connected with the electric telescopic rod, the air pump, the liquid inlet pump and the push-down cylinder 502, the plurality of start-stop buttons are respectively controlled by the PLC control module and the I/O module to operate the starting switches electrically connected with the start-stop buttons correspondingly, the push-down cylinder 502 is electrically connected with the contact switch, the contact switch is arranged at the rear side of the installation cavity 101, and the contact head is arranged at the rear side of the drawer 2;
the contact switch is used for controlling the extension of the telescopic shaft of the lower air cylinder 502;
the waterproof instrument is connected with the alarm through the PLC control and I/O module;
or the control mechanism comprises an industrial Personal Computer (PC) matched with a configuration software upper computer Programmable Logic Controller (PLC) to control the electric telescopic rod, the air pump, the liquid inlet pump and the lower air cylinder 502 to work, the control mechanism comprises an upper computer, a lower computer and a PLC control circuit, the upper computer is provided with configuration software of an MCGS6.5 version and Siemens PLC programming software V4.0STEP7, the lower computer adopts Siemens S7-200PLC, the MCGS configuration software is communicated with the lower computer through an RS232C interface, monitors the state of an I/O interface of the lower computer, and transmits the state of a variable value to the upper computer for the use and processing of the upper computer.
The beneficial effects of the above technical scheme are:
the number of the plurality of start-stop buttons is four, and the start-stop buttons are respectively used for controlling the work of the electric telescopic rod, the air pump, the liquid inlet pump and the down-pressing cylinder 502, wherein the start-stop buttons corresponding to the electric telescopic rod comprise a single start button and two start buttons, the electric telescopic rod is connected with the two start switches, the two start switches respectively control the extension and the contraction of the electric telescopic rod, the start switch for controlling the extension of the electric telescopic rod is electrically connected with the single start button, the start switch for controlling the contraction of the electric telescopic rod is electrically connected with the two start buttons, the single start button is pressed to extend the electric telescopic rod, and the two start buttons are simultaneously pressed to control the contraction of the electric telescopic rod; the start-stop buttons corresponding to the air pump, the liquid inlet pump and the lower air cylinder 502 comprise start buttons, the start switches corresponding to the start buttons are controlled to work by pressing the start buttons, so that the purpose of controlling the air pump, the liquid inlet pump and the lower air cylinder 502 to work is achieved, and the air pump, the liquid inlet pump and the lower air cylinder 502 are controlled to stop working by stopping pressing the start buttons, wherein the start switches are used for controlling the contraction of the lower air cylinder 502; by arranging the contact head and the contact switch, the contact switch is contacted with the contact head after the drawer 2 is closed, the contact switch is opened, the lower air cylinder 502 is controlled to work, and the telescopic shaft of the lower air cylinder 502 extends out, so that the upper clamp 304 and the lower clamp 301 are driven to be closed, and the purpose of automatically closing the upper clamp 304 and the lower clamp 301 is realized;
the waterproof instrument is electrically connected with the alarm, and if the detection change value of the waterproof instrument does not accord with the preset value, the PLC control and I/O module controls the alarm to give an alarm to remind a user that a product to be tested is not waterproof enough, so that the user can conveniently judge whether the product to be tested is qualified;
the work of the electric telescopic rod, the air pump, the liquid inlet pump and the lower air cylinder 502 is controlled by the industrial control PC and the configuration software upper computer PLC, the automatic work of the electric telescopic rod, the air pump, the liquid inlet pump and the lower air cylinder 502 is controlled by the upper computer, and the purpose of automatic in-out waterproof testing is achieved.
Example 3
On the basis of embodiment 1, as shown in fig. 4, the device further includes a plurality of stabilizing mechanisms, the stabilizing mechanisms are respectively disposed in the plurality of placing grooves 201, and the stabilizing mechanisms are fixedly connected to the lower fixture 301, and the stabilizing mechanisms include:
the lower end of the base 6 is fixedly connected with the bottom end of the placing groove 201, a mounting groove 602 is formed in the middle of the upper end of the base 6, a first movable cavity 603 is formed in the base 6, a second movable cavity 604 is communicated with the middle of the lower end of the mounting groove 602, first sliding grooves 601 are communicated with the left side and the right side of the lower end of the mounting groove 602, the mounting groove 602 is communicated with the first movable cavity 603 through the first sliding grooves 601, the first movable cavity 603 is communicated with the second sliding grooves 611 which are communicated with the left side and the right side of the lower end of the first movable cavity 603;
the mounting plate 605 is arranged in the mounting groove 602 in a sliding manner, the upper end of the mounting plate 605 is fixedly connected with the lower clamp 301, the left side and the right side of the lower end of the mounting plate 605 are symmetrically provided with a first sliding block 607, the first sliding block 607 penetrates through the first sliding groove 601 to enter the first movable cavity 603, the first sliding block 607 is connected with the first sliding groove 601 in a sliding manner, and the middle part of the lower end of the mounting plate 605 is provided with a positioning groove 606;
the two third sliding blocks 614 are respectively arranged in the second sliding grooves 611 on the left side and the right side, the upper sides of the third sliding blocks 614 are connected with the connecting column 616 in a sliding manner, the lower ends of the third sliding blocks 614 are connected with the lower ends of the second sliding grooves 611 in a sliding manner, a second spring 612 is fixedly arranged between the third sliding blocks 614 and the side walls of the second sliding grooves 611, the second spring 612 is sleeved on the connecting column 616, and the connecting column 616 is fixedly arranged between the left end and the right end of the upper side of the second sliding grooves 611;
the two second sliding blocks 608 are symmetrically arranged on the left side and the right side of the first movable cavity 603, the two second sliding blocks 608 are fixedly connected with the two third sliding blocks 614 in a one-to-one correspondence manner, the lower ends of the two second sliding blocks 608 are in contact with a plurality of guide wheels 613, the guide wheels 613 are uniformly distributed at intervals at the lower end of the first movable cavity 603, one end, close to each other, of the two second sliding blocks 608 is provided with a third sliding groove 621, the third sliding groove 621 is fixedly connected with a third spring 609, the third spring 609 is fixedly connected with a clamping plate 615, and one end, close to each other, of the clamping plate 615 is provided with an arc-shaped groove;
the upper end of the limiting rod 617 is matched with the positioning groove 606, the left end and the right end of the upper side of the limiting rod 617 are rotatably provided with rotating rods 610, the rotating rods 610 are arranged in the second movable cavity 604, the rotating rods 610 are rotatably connected with the second sliding block 608, the lower end of the limiting rod 617 is fixedly connected with a fourth spring 620, the fourth spring 620 is fixedly arranged in a groove 619, the limiting rod 617 is slidably connected with the groove 619, the groove 619 is arranged at the upper end of a first fixing block 618, and the first fixing block 618 is fixedly connected with the lower end of the first movable cavity 603;
the arc-shaped groove is used for clamping the limiting rod 617.
The beneficial effects of the above technical scheme are:
by arranging a stabilizing mechanism, the lower clamp 301 is fixedly arranged on the mounting plate 605, when the upper clamp 304 is matched with the lower clamp 301 and the upper clamp 304, the mounting plate 605 and the lower clamp 301 are pushed to move towards the direction of the mounting groove 602 under the action of the extrusion force of the upper clamp 304, the first sliding groove 601 is matched with the first sliding block 607 to guide the movement of the mounting plate 605, the first sliding block 607 pushes the second sliding block 608 to move towards the direction close to each other, the second sliding block 608 is stably moved by arranging a guide wheel 613, the second sliding block 608 drives the third sliding block 614 to move when moving, the rotating rod 610 is driven to rotate, the rotating rod 610 drives the limiting rod 617 to move upwards, the fourth spring 620 is always in a compressed state, the groove 619 guides the movement of the limiting rod 617 until the limiting rod 617 is matched with the positioning groove 606 to limit the mounting plate 605 to move downwards, when the limiting rod 617 is matched with the positioning groove 606, through the arrangement of the third spring 609, the clamping plate 615 in the second sliding block 608 clamps the limiting rod 617 under the elastic acting force of the third spring 609, the stability of the limiting rod 617 is improved, the third sliding block 614 moves to drive the second spring 612 to compress, the connecting column 616 plays a role in guiding the movement of the third sliding block 614, pressurization is needed when a waterproof test is performed after the lower fixture 301 is matched with the upper fixture 304, and when the interior of the lower fixture 301 and the upper fixture 304 is pressurized, the combined action of the second spring 612, the limiting rod 617, the fourth spring 620 and the third spring 609 plays a role in buffering and damping on the fixture 301, so that the situation that the lower fixture 301 and the upper fixture 304 are not matched tightly due to overlarge internal pressure and gaps are formed between the matching surfaces of the lower fixture 301 and the upper fixture 304 is avoided;
after the interior of the lower clamp 301 and the interior of the upper clamp 304 are subjected to pressure relief separation, under the elastic action of the spring four 620, the limiting rod 617 moves upwards, the limiting rod 617 drives the second sliding block 608 to move towards the direction away from each other, so that the lower clamp 301 moves upwards to restore the original position, and the process of restoring the original position is kept stable.
Example 4
On the basis of embodiment 1, as shown in fig. 5 to 7, the drawer sealing device further includes a plurality of automatic sealing mechanisms, the plurality of automatic sealing mechanisms are respectively disposed in the plurality of installation cavities 101, and the automatic sealing mechanisms are configured to seal the drawer 2, and the automatic sealing mechanisms include:
the power groove 7 is arranged on the front side of the lower end of the installation cavity 101, a power cavity 716 is arranged on the rear side of the installation cavity 101, the power cavity 716 is communicated with the installation cavity 101, the power groove 7 is communicated with the installation cavity 101 through a fixing hole 710, an opening 728 is arranged at the front end of the installation cavity 101, and the opening 728 is connected with the drawer 2 in a sliding manner;
the motor 701 is arranged in the power cavity 716, the motor 701 is fixedly connected with a second rotating shaft 703, the second rotating shaft 703 is rotatably arranged in the power cavity 716, the thread section of the second rotating shaft 703 is in threaded connection with the thread block 702, the cylindrical section of the second rotating shaft 703 is fixedly connected with a third bevel gear 704, the third bevel gear 704 is meshed with a fourth bevel gear 705, the fourth bevel gear 705 is fixedly connected with a threaded rod 706, the threaded rod 706 is in threaded connection with a threaded plate 707, and the lower end of the threaded plate 707 is in sliding connection with the lower end of the power groove 7;
the first gear 709 is rotatably arranged in the fixing hole 710, the upper side of the first gear 709 penetrates through the upper end of the fixing hole 710 and is meshed with the second rack 717, the lower side of the first gear 709 penetrates through the lower end of the fixing hole 710 and is meshed with the first rack 708, the first rack 708 is fixedly connected with the upper end of the threaded plate 707, and the second rack 717 is fixedly connected with the lower end of the drawer 2;
a second fixing block 711, wherein the second fixing block 711 is fixedly connected with the front end of the device main body 1, the second fixing block 711 is rotatably connected with a second gear 712, the second gear 712 is meshed with the first rack 708, the second gear 712 is rotatably connected with a first connecting shaft 713, the first connecting shaft 713 is fixedly connected with a second sealing block 714, a first sealing gasket 715 is fixedly arranged at the rear end of the second sealing block 714, and the first sealing gasket 715 is matched with the opening 728;
the two rotating blocks 718 are rotatably arranged at the left end and the right end of the second sealing block 714 through a second connecting shaft, one end, far away from the second sealing block 714, of each rotating block 718 is rotatably connected with a sliding shaft 720, each sliding shaft 720 is slidably connected with a five sliding groove 719, and the five sliding grooves 719 are arranged at the left end and the right end of the device body 1;
the two sealing plates 721 are rotatably arranged at the front end and the rear end of the installation cavity 101, a second sealing gasket 723 is fixedly arranged at the lower end of the sealing plate 721, a guide groove 722 is arranged at the upper end of the sealing plate 721, the guide groove 722 is in rolling connection with a rotating wheel 726, the rotating wheel 726 is rotatably connected with a vertical rod 725, the vertical rods 725 at the front side and the rear side are fixedly connected with a horizontal rod 724, the horizontal rod 724 is fixedly connected with the thread block 702, and the horizontal rod 724 is in sliding connection with a sliding cavity 727 along the vertical direction;
the mounting cavity 101 is communicated with the power cavity 716 through a sliding cavity 727, and the second sealing gasket 723 is attached to the inner wall of the upper side of the placing groove 201;
after the second sealing gasket 723 is attached to the inner wall of the upper side of the placing groove 201, the two ends of the sealing plate 721 are in contact with one end close to each other, the arc grooves of the two ends form mounting holes 729, and sealing rings 730 are fixedly arranged in the arc grooves of the sealing plate 721.
The beneficial effects of the above technical scheme are:
when the automatic sealing mechanism works, a motor 701 is started (the motor 701 replaces an electric telescopic rod) to drive a second rotating shaft 703 to rotate, the second rotating shaft 703 drives a thread block 702 to move up and down and drives a third bevel gear 704 to rotate, the third bevel gear 704 drives a fourth bevel gear 705 to rotate, so that a threaded rod 706 is driven to rotate, a threaded plate 707 slides back and forth, and a power groove 7 plays a role in guiding the sliding of the threaded plate 707;
if the drawer 2 is removed from the installation cavity 101, the screw plate 707 moves backwards to drive the rack one 708 to move backwards, the rack one 708 is firstly meshed with the gear two 712 to drive the gear two 712 to rotate, the gear two 712 drives the seal block two 714 to rotate through the connecting shaft one 713, the seal block two 714 and the seal gasket one 715 arranged thereon are separated from the opening 728, the rotation process of the seal block two 714 is kept stable through arranging the rotation block 718, the sliding shaft 720 and the sliding groove 719, the rotation of the seal block two 714 is guided, the screw block 702 synchronously moves upwards in the rotation process of the seal block two 714, the screw block 702 drives the horizontal rod 724 to move upwards, the sliding cavity 727 guides the movement of the horizontal rod 724, the horizontal rod 724 drives the vertical rod 725 to move upwards, the vertical rod 725 drives the seal plate 721 to rotate upwards through the rotating wheel 726, and the guide effect is realized through the matching of the guide groove 722 and the rotating wheel 726 on the rotation of the seal plate 721, the sealing plate 721 rotates to enable the second sealing gasket 723 fixedly arranged on the sealing plate to be separated from the upper end of the placing groove 201 in the drawer 2, then the first rack 708 is separated from the meshing of the second gear 712 and then meshed with the first gear 709 to drive the first gear 709 to rotate, the first gear 709 drives the second rack 717 to move forwards, and the second rack 717 drives the drawer 2 to move forwards and move out of the mounting cavity 101 through the opening 728; if drawer 2 need get into installation cavity 101, control motor 701 antiport, make screw block 702 move down, screw plate 707 moves forward, thereby accomplish the purpose that drawer 2 needs get into installation cavity 101, make sealed pad 715 and opening 728 cooperation, the leakproofness of installation cavity 101 has been improved, sealed pad two 723 and the inside laminating of the upside of standing groove 201, the leakproofness to standing groove 201 has been improved, through the mating reaction of sealed pad 715 and sealed pad two 723, the leakproofness to standing groove 201 has been improved, when making the product under test carry out the waterproof test in the anchor clamps of standing groove 201, external influence is less, the waterproof test accuracy has been improved, mounting hole 729 is used for passing the telescopic shaft of push-down cylinder 502, sealing washer 730 in the arc groove is used for improving the leakproofness between sealing plate 721 and the telescopic shaft of push-down cylinder 502.
Example 5
On the basis of the embodiment 1, the method further comprises the following steps:
the first force sensor is as follows: a first force measuring layer is arranged on the upper end face of the placing bin 302, and a first force sensor is arranged inside the first force measuring layer and used for detecting the extrusion force of the upper clamp 304 on the lower clamp 301;
and a second force sensor: a second force measuring layer is arranged inside the placing bin 302, and a second force sensor is arranged inside the second force measuring layer and used for detecting the pressure of the medium on the placing bin 302;
an alarm device: the alarm is arranged outside the drawer 2;
a controller: the controller is electrically connected with the first force sensor, the second force sensor and the alarm;
the controller is based on the first force sensor, the second force sensor and the alarm are electrically connected, and the method comprises the following steps:
step 1: the controller calculates a theoretical correction coefficient of the sealing specific pressure between the lower clamp 301 and the upper clamp 304 according to the extrusion force of the upper clamp 304 on the lower clamp 301 detected by the first force sensor, the medium pressure on the placing bin 302 detected by the second force sensor and a formula (1);
wherein K is a theoretical correction coefficient of the sealing specific pressure between the lower clamp 301 and the upper clamp 304, and F1Is the detected value of the first force sensor, F2Is the detection value of the second force sensor, A1Is the cross-sectional area of the force measuring layer one, A2The cross section area of the force measuring layer II is shown, and P is the influence coefficient of the material of the sealing block I306 on the sealing specific pressure between the lower clamp 301 and the upper clamp 304;
step 2: the controller calculates a theoretical leakage amount between the lower clamp 301 and the upper clamp 304 according to the theoretical correction coefficient of the sealing specific pressure between the lower clamp 301 and the upper clamp 304 calculated in the step 1 and a formula (2), compares the theoretical leakage amount of the medium between the lower clamp 301 and the upper clamp 304 with a preset leakage amount, and controls the alarm to give an alarm if the calculated theoretical leakage amount of the air between the lower clamp 301 and the upper clamp 304 is greater than the preset leakage amount;
wherein, Q is the theoretical leakage amount of air between the lower clamp 301 and the upper clamp 304, a is the contact area of the lower clamp 301 and the upper clamp 304 after being closed, H is the gap length between the lower clamp 301 and the upper clamp 304 after being closed, Y is the dynamic viscosity of air, and S is the width between the inner wall and the outer wall of the placing bin 302.
Wherein, F in the formula (1)1Is 50N, A1Is 20cm2，A2Is 20cm2，F220N, taking P as 0.2, and calculating K to obtain 2.2;
a in the formula (2) is 50cm2H is 0.01mm, Y is 17.9X 10-6Pa S, S8 cm, Q meterCalculated to obtain 0.15 multiplied by 10-5m3S, greater than a predetermined leak amount of 1X 10-6m3And/s, an alarm gives an alarm.
The beneficial effects of the above technical scheme are:
a first force measuring layer is arranged on the upper end face of the placing bin 302, and a first force sensor is arranged inside the first force measuring layer and used for detecting the extrusion force of the upper clamp 304 on the lower clamp 301; a second force measuring layer is arranged inside the placing bin 302, and a second force sensor is arranged inside the second force measuring layer and used for detecting the pressure of the medium on the placing bin 302; the controller calculates theoretical sealing specific pressure between the lower clamp 301 and the upper clamp 304 according to the extrusion force of the upper clamp 304 on the lower clamp 301 detected by the first force sensor, the medium pressure on the placing bin 302 detected by the second force sensor and a formula (1); and then, calculating a theoretical leakage amount between the lower clamp 301 and the upper clamp 304 according to the theoretical correction coefficient of the sealing specific pressure between the lower clamp 301 and the upper clamp 304 calculated in the step 1 and a formula (2), comparing the theoretical leakage amount of the medium between the lower clamp 301 and the upper clamp 304 with a preset leakage amount by using a controller, and if the calculated theoretical leakage amount of the air between the lower clamp 301 and the upper clamp 304 is greater than the preset leakage amount, controlling an alarm to give an alarm by using the controller to remind a user of increasing the extrusion force between the lower clamp 301 and the upper clamp 304, so that the sealing specific pressure between the lower clamp 301 and the upper clamp 304 is increased under the condition that the internal pressure of the placing bin 302 is not changed, further improving the sealing performance of the lower clamp 301 and the upper clamp 304, and effectively improving the accuracy of a waterproof test.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides an automatic change waterproof test platform who advances, its characterized in that, includes equipment principal (1), be equipped with a plurality of drawers (2) on equipment principal (1), the external connection of drawer (2) has drive arrangement, be connected with accredited testing organization (3) in drawer (2) inside standing groove (201), accredited testing organization (3) are connected with power unit (4), power unit and drive arrangement are connected with control mechanism.
2. The automatic waterproof test platform that advances and withdraws of claim 1, characterized in that, equipment main part (1) is equipped with a plurality of installation cavity (101) along upper and lower vertical direction, a plurality of installation cavity (101) and a plurality of drawer (2) one-to-one, and the left and right sides of installation cavity (101) is equipped with guide rail (102), guide rail (102) and drawer (2) sliding connection.
3. The automatic waterproof testing platform of business turn over of claim 2, characterized in that, the actuating device includes electric telescopic handle, and electric telescopic handle sets up the rear end of drawer (2), electric telescopic handle is used for controlling the drawer (2) along the slip of installation cavity (101).
4. The automatic waterproof test platform of business turn over of claim 2, characterized in that, accredited testing organization (3) includes lower anchor clamps (301), the lower extreme of lower anchor clamps (301) and the bottom fixed connection of standing groove (201), the upper end middle part of lower anchor clamps (301) is equipped with places storehouse (302), the front end intercommunication of placing storehouse (302) has inlet (303), the left and right sides both ends symmetry of lower anchor clamps (301) are equipped with support groove (313), the lower extreme of placing storehouse (302) passes through test hole (8) and communicates with cavity (9), cavity (9) set up in inside the downside of lower anchor clamps (301).
5. The automatic waterproof test platform that advances and withdraws of claim 4, characterized in that accredited testing organization (3) still includes anchor clamps (304), the lower extreme middle part of going up anchor clamps (304) is equipped with sealed chamber (305), the left and right sides symmetry in sealed chamber (305) is equipped with draw-in groove two (310), it is equipped with sealed piece (306) to slide in sealed chamber (305), the left and right sides symmetry of sealed piece (306) is equipped with draw-in groove one (309), and draw-in groove one (309) and draw-in groove two (310) intercommunication.
6. The automatic waterproof test platform of passing in and out of claim 5, characterized in that an air inlet cavity (307) is arranged in the middle of the lower end of the first sealing block (306), the front end of the air inlet cavity (307) is communicated with an air inlet (308), the air inlet cavity (307) and the sealing cavity (305) are sequentially communicated, a first spring (311) is fixedly arranged in the first clamping groove (309), the first spring (311) is fixedly connected with a clamping block (312), the clamping block (312) is slidably connected with the first clamping groove (309), and the clamping block (312) is matched with the second clamping groove (310).
7. The automated waterproof test platform of claim 6, the power mechanism (4) comprises an air pump, a liquid inlet pump, a pressing cylinder (502) and a waterproof instrument, the air pump is communicated with the air inlet (308) through an air inlet pipe, the liquid inlet pump is communicated with the liquid inlet (303) through a liquid inlet pipe, the lower pressing cylinder (502) is fixedly arranged at the upper end of the mounting cavity (101), the lower pressing cylinder (502) is fixedly connected with the middle part of the supporting plate (501), the lower pressing cylinder (502) penetrates through the upper end of the upper clamp (304) and is fixedly connected with the first sealing block (306), the left end and the right end of the supporting plate (501) are fixedly connected with supporting columns (5), the supporting column (5) is matched with the supporting groove (304), and the waterproof instrument is arranged in the placing bin (302) and used for detecting air pressure change in the placing bin (302).
8. The automatic waterproof test platform that advances and withdraws of claim 7, characterized in that, control mechanism includes contact, contact switch, a plurality of starting switch, a plurality of start button, PLC control and IO module, a plurality of starting switch is opened and is stopped, a plurality of start switch is connected with electric telescopic handle, air pump, feed liquor pump, push down cylinder (502) electricity respectively, a plurality of start button open and stop the start switch work of being connected rather than corresponding through PLC control and IO module control respectively, push down cylinder (502) and contact electrical connection, contact is set up in the rear side of installation cavity (101), contact setting is in the rear side of drawer (2).
9. The automatic waterproof test platform that advances of claim 4, characterized by, further comprises a plurality of stabilizing mechanism, a plurality of said stabilizing mechanism sets up respectively in a plurality of said standing groove (201), and stabilizing mechanism and lower anchor clamps (301) fixed connection, stabilizing mechanism includes:
base (6): the lower end of the base (6) is fixedly connected with the bottom end of the placing groove (201), a mounting groove (602) is formed in the middle of the upper end of the base (6), a first movable cavity (603) is formed in the base (6), a second movable cavity (604) is communicated with the middle of the lower end of the mounting groove (602), first sliding grooves (601) are communicated with the left side and the right side of the lower end of the mounting groove (602), the mounting groove (602) is communicated with the first movable cavity (603) through the first sliding grooves (601), the first movable cavity (603) is communicated with the left side and the right side of the lower end of the first movable cavity (603) through the second sliding grooves (611);
the mounting plate (605) is arranged in the mounting groove (602) in a sliding mode, the upper end of the mounting plate (605) is fixedly connected with the lower clamp (301), sliding blocks I (607) are symmetrically arranged on the left side and the right side of the lower end of the mounting plate (605), the sliding blocks I (607) penetrate through the sliding grooves I (601) to enter the movable cavities I (603), the sliding blocks I (607) are connected with the sliding grooves I (601) in a sliding mode, and a positioning groove (606) is formed in the middle of the lower end of the mounting plate (605);
the two third sliding blocks (614) are respectively arranged in the second sliding grooves (611) on the left side and the right side, the upper sides of the third sliding blocks (614) are in sliding connection with the connecting column (616), the lower ends of the third sliding blocks (614) are in sliding connection with the lower ends of the second sliding grooves (611), a second spring (612) is fixedly arranged between the third sliding blocks (614) and the side walls of the second sliding grooves (611), the second spring (612) is sleeved on the connecting column (616), and the connecting column (616) is fixedly arranged between the left end and the right end of the upper side of the second sliding grooves (611);
the two second sliding blocks (608) are symmetrically arranged on the left side and the right side of the first movable cavity (603), the two second sliding blocks (608) are fixedly connected with the two third sliding blocks (614) in a one-to-one correspondence manner, the lower ends of the second sliding blocks (608) are in contact with a plurality of guide wheels (613), the guide wheels (613) are uniformly distributed at the lower end of the first movable cavity (603) at intervals, a third sliding groove (621) is formed in one end, close to the second sliding blocks (608), of each second sliding block, the third sliding groove (621) is fixedly connected with a third spring (609), the third spring (609) is fixedly connected with a clamping plate (615), and an arc-shaped groove is formed in one end, close to the clamping plate (615);
the upper end of the limiting rod (617) is matched with the positioning groove (606), the left end and the right end of the upper side of the limiting rod (617) are rotatably provided with rotating rods (610), the rotating rods (610) are arranged in the second movable cavity (604), the rotating rods (610) are rotatably connected with the second sliding block (608), the lower end of the limiting rod (617) is fixedly connected with a fourth spring (620), the fourth spring (620) is fixedly arranged in a groove (619), the limiting rod (617) is in sliding connection with the groove (619), the groove (619) is arranged at the upper end of the first fixed block (618), and the first fixed block (618) is fixedly connected with the lower end of the first movable cavity (603);
the arc-shaped groove is used for clamping the limiting rod (617).
10. The automatic waterproof test platform that advances and withdraws of claim 7, characterized by further comprising a plurality of automatic sealing mechanism, a plurality of automatic sealing mechanism set up respectively in a plurality of installation cavity (101), and automatic sealing mechanism is used for sealing the drawer (2) the automatic sealing mechanism includes:
the power groove (7) is arranged on the front side of the lower end of the mounting cavity (101), a power cavity (716) is arranged on the rear side of the mounting cavity (101), the power cavity (716) is communicated with the mounting cavity (101), the power groove (7) is communicated with the mounting cavity (101) through a fixing hole (710), an opening (728) is formed in the front end of the mounting cavity (101), and the opening (728) is connected with the drawer (2) in a sliding mode;
the motor (701) is arranged in the power cavity (716), the motor (701) is fixedly connected with a second rotating shaft (703), the second rotating shaft (703) is rotatably arranged in the power cavity (716), the thread section of the second rotating shaft (703) is in threaded connection with a thread block (702), the cylindrical section of the second rotating shaft (703) is fixedly connected with a third bevel gear (704), the third bevel gear (704) is meshed with a fourth bevel gear (705), the fourth bevel gear (705) is fixedly connected with a threaded rod (706), the threaded rod (706) is in threaded connection with a threaded plate (707), and the lower end of the threaded plate (707) is in sliding connection with the lower end of the power groove (7);
the first gear (709) is rotatably arranged in the fixing hole (710), the upper side of the first gear (709) penetrates through the upper end of the fixing hole (710) and is meshed with a second rack (717), the lower side of the first gear (709) penetrates through the lower end of the fixing hole (710) and is meshed with the first rack (708), the first rack (708) is fixedly connected with the upper end of the threaded plate (707), and the second rack (717) is fixedly connected with the lower end of the drawer (2);
a second fixing block (711), wherein the second fixing block (711) is fixedly connected with the front end of the equipment main body (1), the second fixing block (711) is rotatably connected with a second gear (712), the second gear (712) is meshed with the first rack (708), the second gear (712) is rotatably connected with a first connecting shaft (713), the first connecting shaft (713) is fixedly connected with a second sealing block (714), and a first sealing gasket (715) is fixedly arranged at the rear end of the second sealing block (714);
the two rotating blocks (718) are rotatably arranged at the left end and the right end of the second sealing block (714) through a second connecting shaft, one end, far away from the second sealing block (714), of each rotating block (718) is rotatably connected with a sliding shaft (720), each sliding shaft (720) is slidably connected with a five sliding groove (719), each five sliding groove (719) is arranged at the left end and the right end of the main body (1), and the first sealing gasket (715) is matched with the opening (728);
the two sealing plates (721) are rotatably arranged at the front end and the rear end of the mounting cavity (101), a second sealing gasket (723) is fixedly arranged at the lower end of each sealing plate (721), a guide groove (722) is arranged at the upper end of each sealing plate (721), each guide groove (722) is in rolling connection with a rotating wheel (726), each rotating wheel (726) is rotatably connected with a vertical rod (725), the vertical rods (725) at the front side and the rear side are fixedly connected with a horizontal rod (724), each horizontal rod (724) is fixedly connected with the corresponding thread block (702), and each horizontal rod (724) is in sliding connection with a sliding cavity (727) in the vertical direction;
the mounting cavity (101) is communicated with the power cavity (716) through a sliding cavity (727), and the second sealing gasket (723) is attached to the inner wall of the upper side of the placing groove (201);
after the second sealing gasket (723) is attached to the inner wall of the upper side of the placing groove (201), one ends, close to the sealing plate (721), of the front end and the rear end are in contact, the arc grooves of the two ends form mounting holes (729), and sealing rings (730) are fixedly arranged in the arc grooves in the sealing plate (721).
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