CN218025713U

CN218025713U - Industrial washing wastewater treatment device

Info

Publication number: CN218025713U
Application number: CN202222456178.XU
Authority: CN
Inventors: 李婧
Original assignee: Inner Mongolia Leyou New Materials Co ltd
Current assignee: Inner Mongolia Leyou New Materials Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-13
Anticipated expiration: 2032-09-16

Abstract

The application provides an industrial washing effluent treatment plant, includes: handle the case, one side fixed mounting who handles the case has the inlet tube, handles bottom of the case fixed mounting and has the drain pipe, handles incasement portion and is equipped with wastewater treatment mechanism, and wastewater treatment mechanism includes: the adsorption plate, handle the inside adsorption plate that is equipped with of case, the adsorption plate both sides are connected with the processing case through dismouting mechanism respectively, handle one side fixed mounting ozone generator of case, ozone generator's last fixed surface installation aeration pipe, the aeration pipe run through the processing case and with processing case one side fixed connection, handle the inside fixed motor that is equipped with of case, the output fixed mounting puddler of motor, the one end of motor is kept away from to the puddler rotates with the interior diapire of handling the case to be connected, the outer wall fixed mounting of puddler has fixed cover, the outer wall fixed mounting of fixed cover has stirring fan blade. This application is convenient has realized the secondary purification treatment of industrial washing waste water, the effectual effect that has improved industrial washing waste water purification treatment.

Description

Industrial washing wastewater treatment device

Technical Field

The application relates to the technical field of wastewater treatment, in particular to an industrial washing wastewater treatment device.

Background

Industrial wastewater: the waste water and waste liquid discharged in the process production process contain industrial production materials, intermediate products, byproducts which are lost along with water and pollutants generated in the production process, and are important reasons for environmental pollution, particularly water pollution. Although the treatment of industrial waste water has been started as early as the end of the 19 th century, there are still some technical problems that are not completely solved due to the complex composition and variable nature of many industrial waste waters. The wastewater treatment device in the prior art has the following problems:

when the washing wastewater treatment device in the prior art is used for treating washing wastewater, the treatment effect of the washing wastewater is poor due to the single treatment mode, for example, the publication (announcement) No. CN210656496U discloses a washing wastewater treatment device convenient to maintain, which comprises a treatment tank, wherein a mounting seat is arranged on the side wall of the treatment tank, hinged blocks and locking blocks are respectively arranged on two sides of a cover plate, the hinged blocks are hinged on the mounting seat, and a locking assembly used for locking the locking blocks is also arranged on the side wall of the treatment tank; the bottom of handling the jar is the toper structure, and the bottom of handling the jar is equipped with the drinking-water pipe, is equipped with the filtering component who is used for handling washing waste water in the handling jar, filtering component includes outer ring, inner tube and stopper, the outer ring sets up in the top outside of inner tube, is equipped with ion exchange resin filter core and active carbon filter core in the inner tube, and the stopper setting has seted up the spout on the inner wall of handling the jar on the stopper, the lateral wall bottom of inner tube be equipped with spout sliding fit's slider, the cover is equipped with the sealing washer on the outer ring. The washing wastewater treatment device convenient to maintain of the utility model can be opened or closed in a rotating way through the hinged fit of the hinged block and the mounting seat, and the locking block can be clamped by utilizing the wedge-shaped clamping block, so as to achieve the purpose of locking the cover plate; when the cover plate needs to be opened, the pull ring is pulled outwards to separate the wedge-shaped fixture block from the locking block, so that the cover plate can be opened in a rotating mode; have the effect of making things convenient for the switching apron, and then be convenient for take out filtering component, conveniently maintain. However, this utility model is in the use, because many industrial waste water compositions are complicated, and the nature is changeable, through set up the filter assembly who is used for handling washing waste water in the treatment tank, the mode that carries out filtration treatment to washing waste water is too single to lead to washing waste water's treatment effect relatively poor. In view of the above problems, the inventors propose an industrial washing wastewater treatment apparatus for solving the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the treatment effect of washing waste water is relatively poor to and the inconvenient maintenance of adsorption plate, the utility model aims to provide an industrial washing waste water treatment device.

The application provides an industrial washing effluent treatment plant includes: a treatment tank;

handle one side fixed mounting of case and have the inlet tube, the bottom fixed mounting who handles the case has the drain pipe, the inside of handling the case is equipped with wastewater treatment mechanism, wastewater treatment mechanism includes: an adsorption plate;

the adsorption plate is arranged in the treatment box, and two sides of the adsorption plate are respectively connected with the treatment box through a dismounting mechanism;

an ozone generator is fixedly arranged on one side of the treatment box, an aeration pipe is fixedly arranged on the upper surface of the ozone generator, and the aeration pipe penetrates through the treatment box and is fixedly connected with one side of the treatment box;

handle the inside fixed motor that is equipped with of case, the output fixed mounting of motor has the puddler, the puddler is kept away from the one end of motor with the interior diapire of handling the case rotates the connection, the outer wall fixed mounting of puddler has fixed cover, the outer wall fixed mounting of fixed cover has evenly distributed's stirring fan blade.

Optionally, the upper surface of the treatment box is rotatably provided with an upper cover plate, and the upper surface of the upper cover plate is fixedly provided with a handle.

Optionally, the drain pipe is kept away from the one end of handling the case is rotated and is installed the valve, the equal fixed mounting in bottom four corners department of handling the case has the stable seat.

Optionally, the inner wall fixed mounting who handles the case has two dead levers, two fixed mounting has the sleeve between the dead lever, the outer wall and the telescopic inner wall fixed connection of motor, the puddler is close to the one end of motor run through the sleeve and with the sleeve rotates the connection.

Optionally, the inner wall fixed mounting who handles the case has back the type backup pad, the lower surface of adsorption plate with the last surface movable contact who returns the type backup pad, the last surface fixed mounting who returns the type backup pad has back the type sealing washer, the outer wall that returns the type sealing washer with handle the inner wall fixed connection of case, the outer wall of adsorption plate and the inner wall movable contact who returns the type sealing washer.

Optionally, the disassembly and assembly mechanism comprises: sheathing the board;

one end of the sleeve plate is fixedly connected with one side of the treatment box, a movable plate is connected in the sleeve plate in a sliding mode, an inserting rod is fixedly installed on one side, close to the treatment box, of the movable plate, the inserting rod penetrates through the treatment box and the hollow-square-shaped sealing ring in sequence and is movably inserted into the inner wall of an inserting hole, and the inserting hole is formed in the side wall of the adsorption plate;

the lagging is kept away from the one end screw thread of handling the case rotates installs the threaded rod, threaded rod wherein one end with the fly leaf is kept away from one side of inserted bar rotates to be connected, threaded rod other end fixed mounting has the handle.

Optionally, two guide grooves are symmetrically formed in the inner wall of the sleeve plate, guide blocks are connected to the inner wall of each guide groove in a sliding mode, and the guide blocks are fixedly connected with the movable plate.

The beneficial effects of this application are as follows:

the application provides an industrial washing effluent treatment plant, through the inlet tube, with the leading-in inside of handling the case of chemical agent and industrial washing waste water that purification treatment industrial washing waste water used, industrial washing waste water drops at the upper surface of adsorption plate, and the harmful substance in the adsorption plate adsorption filtration waste water, the bottom of handling the case is dropped through a plurality of filtration pores on adsorption plate surface to the waste water after purifying and filtering. Subsequently, through opening the motor, the drive shaft of motor makes the puddler rotate, and the puddler makes a plurality of stirring fan blade rotate through fixed cover, stirs processing incasement portion's waste water and chemical agent when a plurality of stirring fan blade are pivoted to make chemical agent and abundant dissolving of waste water and take place chemical reaction, the reaction of chemical agent and waste water realizes a purification treatment of waste water. After the chemical agent and the wastewater are subjected to chemical reaction, the motor continues to operate, the ozone generator is started, ozone gas produced by the ozone generator enters the treatment tank through the aeration pipe and contacts with the wastewater in the treatment tank, the wastewater is uniformly contacted with the ozone gas along with the stirring of the stirring blades, and the ozone gas contacts with the waste gas to perform secondary purification treatment on the wastewater, so that the secondary purification treatment of the industrial washing wastewater is conveniently realized, and the effect of the purification treatment of the industrial washing wastewater is effectively improved.

The application provides an industrial washing effluent treatment plant, through drive fly leaf horizontal migration, the fly leaf makes inserted bar horizontal migration, breaks away from the back completely with the jack when the inserted bar, opens the upper cover plate through the pulling handle, take out the adsorption plate can to convenient realization the dismantlement of adsorption plate, and then the effectual convenience that has improved clearance or change adsorption plate.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and drawings.

The technical solution of the present application is further described in detail by the accompanying drawings and examples.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of an industrial washing wastewater treatment device in an embodiment of the present application;

FIG. 2 is a schematic view of a drain pipe of an industrial washing wastewater treatment apparatus according to an embodiment of the present application;

FIG. 3 is a schematic structural view of a wastewater treatment mechanism of an industrial washing wastewater treatment device according to an embodiment of the present application;

FIG. 4 is an enlarged schematic view of the structure at A shown in FIG. 2;

FIG. 5 is a schematic diagram showing a structure in which an adsorption plate and a loop-shaped support plate of an industrial washing wastewater treatment apparatus according to an embodiment of the present application are separated from each other;

FIG. 6 is a schematic structural view of a mounting and dismounting mechanism of an industrial washing wastewater treatment apparatus according to an embodiment of the present application.

In the figure, 1-a treatment box, 11-an upper cover plate, 12-a handle, 13-a water inlet pipe, 14-a water outlet pipe, 15-a valve, 16-a stabilizing base, 2-a wastewater treatment mechanism, 21-an adsorption plate, 22-a reverse type support plate, 23-a reverse type sealing ring, 24-an ozone generator, 25-an aeration pipe, 26-a motor, 27-a fixed rod, 28-a sleeve, 29-a stirring rod, 3-a fixed sleeve, 31-a stirring fan blade, 4-a disassembly and assembly mechanism, 41-a sleeve plate, 42-a guide groove, 43-a guide block, 44-a movable plate, 45-an inserted rod, 46-an insertion hole, 47-a threaded rod and 48-a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

According to fig. 1 to 6, an embodiment of the present application provides an industrial washing wastewater treatment apparatus including: handle case 1, handle one side fixed mounting of case 1 and have inlet tube 13, the bottom fixed mounting who handles case 1 has drain pipe 14, the inside of handling case 1 is equipped with wastewater treatment mechanism 2, wastewater treatment mechanism 2 includes: adsorption plate 21, it is equipped with to handle 1 inside of case adsorption plate 21, adsorption plate 21 both sides respectively through dismouting mechanism 4 with handle 1 connection of case, one side fixed mounting of handling 1 has ozone generator 24, ozone generator 24's last fixed surface installs the aeration pipe 25, aeration pipe 25 runs through handle 1 and with handle 1 one side fixed connection of case, the fixed motor 26 that is equipped with in inside of handling 1, the output fixed mounting of motor 26 has puddler 29, puddler 29 is kept away from motor 26's one end with handle 1's interior diapire and rotate the connection, the outer wall fixed mounting of puddler 29 has fixed cover 3, the outer wall fixed mounting of fixed cover 3 has evenly distributed's stirring fan blade 31.

The application provides an industrial washing effluent treatment plant, through setting up inlet tube 13 for industrial washing waste water and the chemical agent that is used for handling waste water usefulness can get into the inside of handling case 1, and drain pipe 14 is used for discharging the waste water after handling, and waste water treatment mechanism 2 is used for convenient realization industrial washing waste water's purification treatment, and the installation and the dismantlement of realization adsorption plate 21 that dismouting mechanism 4 can be convenient, and then be convenient for clear up or change adsorption plate 21, and is concrete:

when needs carry out purification treatment to industrial washing waste water, the staff at first passes through inlet tube 13, chemical agent that will purification treatment industrial washing waste water used adds to the inside of handling case 1, then rethread inlet tube 13 makes industrial washing waste water get into the inside of handling case 1, and simultaneously, industrial washing waste water that flows in through inlet tube 13 drops at the upper surface of adsorption plate 21, adsorption plate 21 adsorbs the harmful substance in the filtration waste water, purify the waste water after the filtration and drop in the bottom of handling case 1 through a plurality of filtration pores on adsorption plate 21 surface.

Subsequently, by turning on the motor 26, the driving shaft of the motor 26 rotates the stirring rod 29, the stirring rod 29 rotates the plurality of stirring blades 31 through the fixing sleeve 3, the plurality of stirring blades 31 stir the wastewater and the chemical agent inside the treatment tank 1 while rotating, the chemical agent and the wastewater are sufficiently dissolved and chemically reacted, and the reaction of the chemical agent and the wastewater realizes primary purification treatment of the wastewater.

After the chemical agent and the wastewater are subjected to chemical reaction, the motor 26 continues to operate, the ozone generator 24 is started, ozone gas prepared by the ozone generator 24 enters the treatment tank 1 through the aeration pipe 25 and contacts with the wastewater in the treatment tank 1 to perform ozone disinfection and sterilization treatment, the wastewater can uniformly and fully contact with the ozone gas along with the stirring of the stirring blades 31, the ozone gas contacts with the waste gas to perform secondary purification treatment on the wastewater, so that the secondary purification treatment of the industrial washing wastewater is conveniently realized, and the effect and the working efficiency of the purification treatment of the industrial washing wastewater are effectively improved.

Further, an upper cover plate 11 is rotatably mounted on the upper surface of the treatment box 1, and a handle 12 is fixedly mounted on the upper surface of the upper cover plate 11.

Specifically, the upper cover plate 11 is opened by pulling the handle 12, so that the worker can take out the adsorption plate 21 from the inside of the treatment tank 1.

Furthermore, the drain pipe 14 is kept away from the one end of handling the case 1 is rotated and is installed valve 15, the equal fixed mounting in bottom four corners department of handling the case 1 has the stable seat 16.

Specifically, the valve 15 is turned by a knob 15 to facilitate the opening and closing of the drain pipe 14, and the stabilizing base 16 is provided to improve the stability of the treatment tank 1.

Further, the inner wall of the treatment box 1 is fixedly provided with two fixing rods 27, a sleeve 28 is fixedly arranged between the two fixing rods 27, the outer wall of the motor 26 is fixedly connected with the inner wall of the sleeve 28, and one end of the stirring rod 29 close to the motor 26 penetrates through the sleeve 28 and is rotatably connected with the sleeve 28.

Specifically, the fixing rod 27 and the sleeve 28 are used to support the fixed motor 26.

Further, the inner wall fixed mounting who handles case 1 has time type backup pad 22, the lower surface of adsorption plate 21 with the upper surface movable contact who returns type backup pad 22, the upper surface fixed mounting who returns type backup pad 22 has time type sealing washer 23, the outer wall of time type sealing washer 23 and the inner wall fixed connection who handles case 1, the outer wall of adsorption plate 21 and the inner wall movable contact who returns type sealing washer 23.

Specifically, the clip-shaped support plate 22 is used to provide support for the adsorption plate 21, so that the adsorption plate 21 is fixed on the upper surface of the clip-shaped support plate 22, and the clip-shaped seal ring 23 is used to improve the sealing performance between the adsorption plate 21 and the treatment tank 1.

Further, the disassembling and assembling mechanism 4 includes: a strap plate 41;

one end of lagging 41 and one side fixed connection who handles case 1, sliding connection has fly leaf 44 in the lagging 41, fly leaf 44 is close to handle one side fixed mounting of case 1 has inserted bar 45, inserted bar 45 runs through in proper order handle case 1 time type sealing washer 23 and peg graft with the inner wall activity of jack 46, jack 46 sets up on the lateral wall of adsorption plate 21.

The lagging 41 is kept away from the one end screw thread of handling case 1 rotates and installs threaded rod 47, threaded rod 47 wherein one end with fly leaf 44 is kept away from one side of inserted bar 45 is rotated and is connected, threaded rod 47 other end fixed mounting has handle 48.

Specifically, by turning the knob handle 48, the handle 48 rotates the threaded rod 47, and since the threaded rod 47 is screwed to the end of the sleeve plate 41 remote from the treatment tank 1, the threaded rod 47 rotates so that the threaded rod 47 moves horizontally. Therefore, the threaded rod 47 drives the movable plate 44 to move horizontally, the movable plate 44 drives the inserted link 45 to move horizontally, and when the inserted link 45 completely leaves the inside of the insertion hole 46, the adsorption plate 21 is convenient to detach; when the inserting rod 45 is horizontally inserted into the inserting hole 46, the fixed installation of the adsorption plate 21 is facilitated.

Further, two guide grooves 42 are symmetrically formed in the inner wall of the sleeve plate 41, guide blocks 43 are slidably connected to the inner walls of the guide grooves 42, and the movable plate 44 is fixedly connected between the two guide blocks 43.

Specifically, by providing the guide groove 42 and the guide block 43, the guide block 43 keeps the movable plate 44 moving in the horizontal direction, thereby horizontally moving the insertion rod 45.

The application provides an industrial washing effluent treatment plant's theory of operation does: when the industrial washing wastewater needs to be purified, a worker firstly adds a chemical agent for purifying the industrial washing wastewater into the treatment tank 1 through the water inlet pipe 13, and then makes the industrial washing wastewater enter the treatment tank 1 through the water inlet pipe 13.

Meanwhile, the industrial washing wastewater flowing in through the water inlet pipe 13 falls on the upper surface of the adsorption plate 21, the adsorption plate 21 adsorbs and filters harmful substances in the wastewater, and the purified and filtered wastewater falls on the bottom of the treatment tank 1 through a plurality of filtering holes on the surface of the adsorption plate 21.

After the chemical agent and the wastewater are subjected to chemical reaction, the motor 26 continues to operate, the ozone generator 24 is started, ozone gas produced by the ozone generator 24 enters the treatment tank 1 through the aeration pipe 25 and contacts with the wastewater in the treatment tank 1, the wastewater is uniformly contacted with the ozone gas along with the stirring of the stirring blades 31, and the ozone gas contacts with the waste gas to perform secondary purification treatment on the wastewater, so that secondary purification treatment of the industrial washing wastewater is conveniently realized, and the effect of the industrial washing wastewater purification treatment is effectively improved.

When needing clearance or change adsorption plate 21, two handles 48 on two dismouting mechanisms 4 of case 1 both sides are handled to the staff respectively to the knob, two handles 48 make two threaded rods 47 rotate, make two fly leaf 44 removal dorsad when two threaded rods 47 are pivoted, two fly leaf 44 make two inserted bars 45 removal dorsad, stop two handles 48 of knob again after two inserted bars 45 break away from completely with the inner wall of two jack 46, then pulling handle 12 opens upper cover plate 11, it can to take out adsorption plate 21, thereby the convenient dismantlement that has realized adsorption plate 21, and then the effectual convenience that has improved clearance or change adsorption plate 21.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An industrial washing wastewater treatment apparatus, comprising: a treatment tank (1);

one side fixed mounting who handles case (1) has inlet tube (13), the bottom fixed mounting who handles case (1) has drain pipe (14), the inside of handling case (1) is equipped with wastewater treatment mechanism (2), wastewater treatment mechanism (2) include: an adsorption plate (21);

the adsorption plate (21) is arranged in the treatment box (1), and two sides of the adsorption plate (21) are respectively connected with the treatment box (1) through a dismounting mechanism (4);

an ozone generator (24) is fixedly installed on one side of the treatment box (1), an aeration pipe (25) is fixedly installed on the upper surface of the ozone generator (24), and the aeration pipe (25) penetrates through the treatment box (1) and is fixedly connected with one side of the treatment box (1);

handle the inside fixed motor (26) that is equipped with of case (1), the output fixed mounting of motor (26) has puddler (29), puddler (29) are kept away from the one end of motor (26) with the interior diapire of handling case (1) rotates the connection, the outer wall fixed mounting of puddler (29) has fixed cover (3), the outer wall fixed mounting of fixed cover (3) has evenly distributed's stirring fan blade (31).

2. The industrial washing wastewater treatment device according to claim 1, characterized in that an upper cover plate (11) is rotatably mounted on the upper surface of the treatment tank (1), and a handle (12) is fixedly mounted on the upper surface of the upper cover plate (11).

3. The industrial washing wastewater treatment device according to claim 1, wherein a valve (15) is rotatably mounted at one end of the drain pipe (14) far away from the treatment tank (1), and stabilizing seats (16) are fixedly mounted at four corners of the bottom end of the treatment tank (1).

4. The industrial washing wastewater treatment device according to claim 1, characterized in that two fixing rods (27) are fixedly installed on the inner wall of the treatment tank (1), a sleeve (28) is fixedly installed between the two fixing rods (27), the outer wall of the motor (26) is fixedly connected with the inner wall of the sleeve (28), and one end of the stirring rod (29) close to the motor (26) penetrates through the sleeve (28) and is rotatably connected with the sleeve (28).

5. The industrial washing wastewater treatment device according to any one of claims 1 to 4, wherein a paper clip support plate (22) is fixedly mounted on the inner wall of the treatment tank (1), the lower surface of the adsorption plate (21) is in movable contact with the upper surface of the paper clip support plate (22), a paper clip seal ring (23) is fixedly mounted on the upper surface of the paper clip support plate (22), the outer wall of the paper clip seal ring (23) is fixedly connected with the inner wall of the treatment tank (1), and the outer wall of the adsorption plate (21) is in movable contact with the inner wall of the paper clip seal ring (23).

6. The industrial washing wastewater treatment apparatus according to claim 5, wherein the disassembly and assembly means (4) comprises: a strap (41);

one end of the sleeve plate (41) is fixedly connected with one side of the treatment box (1), a movable plate (44) is connected in the sleeve plate (41) in a sliding mode, an inserting rod (45) is fixedly installed on one side, close to the treatment box (1), of the movable plate (44), the inserting rod (45) penetrates through the treatment box (1) and the square-shaped sealing ring (23) in sequence and is movably inserted into the inner wall of an inserting hole (46), and the inserting hole (46) is formed in the side wall of the adsorption plate (21);

keep away from lagging (41) one end screw thread rotation of handling case (1) installs threaded rod (47), threaded rod (47) wherein one end with fly leaf (44) are kept away from one side rotation of inserted bar (45) is connected, threaded rod (47) other end fixed mounting has handle (48).

7. The industrial washing wastewater treatment device according to claim 6, characterized in that the inner wall of the sleeve plate (41) is symmetrically provided with two guide grooves (42), the inner walls of the guide grooves (42) are both slidably connected with guide blocks (43), and the movable plate (44) is fixedly connected between the two guide blocks (43).