An acidic industrial wastewater purification treatment device

Abstract

The application discloses an acid industrial wastewater purification treatment device, and relates to the technical field of wastewater treatment. The device comprises a treatment box. When wastewater is filtered by being sucked into the treatment box through a water inlet pipe, large-particle impurities in the wastewater are filtered by a wire filter screen, and the wastewater is filtered and neutralized by an alkaline gravel layer. After the neutralized wastewater seeps into an activated carbon layer through a water seepage plate and is purified, the wastewater is discharged through a drain pipe. Then, four limiting discs are driven to rotate by a servo motor, a rotating shaft and a transmission belt. At this time, the wire filter screen is deflected by a limiting column, a vertical rod, a horizontal rod, a T-shaped block and a rotating sleeve, so that the large-particle impurities fall onto the top of the alkaline gravel layer and are easily cleaned through a slag discharge port. The device is simple and reasonable, convenient to use, and greatly improves the overall treatment efficiency of the wastewater.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wastewater treatment, in particular to an acidic industrial wastewater purification treatment device. BACKGROUND

[0002] Wastewater treatment is a process of using physical, chemical and biological methods to treat wastewater, purify wastewater, reduce pollution, and achieve wastewater recycling and reuse to fully utilize water resources. The process separates or transforms pollutants in wastewater into harmless substances. The acidic industrial wastewater purification treatment device is a device for purifying and treating wastewater containing acidic substances generated during industrial production.

[0003] In the prior art, such as Chinese Patent No. CN217418378U, an industrial acidic wastewater purification treatment device is disclosed, which comprises a treatment tank, a liquid inlet is arranged on one side of the treatment tank, a dosing port is arranged on the other side, a liquid outlet is arranged at the bottom of the treatment tank, a rotating drum is arranged through the upper wall of the treatment tank, the rotating drum is connected with the treatment tank through a bearing, a piston is slidably installed in the rotating drum, and a connecting rod is arranged through the bottom of the rotating drum and connected with the lower wall of the piston. The utility model relates to the technical field of industrial wastewater treatment. The device has compact structure. The rotating drum is driven to rotate by the motor, which synchronously drives the extension rod to drive the lower disc and the mounting seat to rotate. The piston is driven to move by the cylinder. The lifting and rotating movement of the blade can be realized, so that the mixing efficiency of the wastewater and the medicine is improved. The setting of the separation assembly can realize solid-liquid separation when the wastewater is discharged. The separation tank is convenient to disassemble and assemble. The setting of the purification assembly can avoid the pollution of the irritating odor generated by the wastewater to the external environment, and brings convenience to the use of people.

[0004] Although the above-mentioned patent can realize solid-liquid separation when the wastewater is discharged, the separation tank is convenient to disassemble and assemble, and the setting of the purification assembly can avoid the pollution of the irritating odor generated by the wastewater to the external environment, and brings convenience to the use of people, but in the prior art, when the acidic wastewater is treated, the large particle impurities are generally cleaned by disassembling and assembling the filter screen, and the filter screen cleaning or replacement process generally needs to disassemble and assemble the fastener, which causes the wastewater treatment efficiency to be not high enough and the use to be not convenient enough.

[0005] Therefore, we propose an acidic industrial wastewater purification treatment device to solve the problems raised in the above-mentioned background. SUMMARY

[0006] The purpose of the present application is to provide an acidic industrial wastewater purification treatment device to solve the problem of acidic wastewater treatment efficiency not being high enough and use not being convenient enough due to the general cleaning of large particle impurities by disassembling and assembling the filter screen, and the filter screen cleaning or replacement process generally needing to disassemble and assemble the fastener.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an acidic industrial wastewater purification and treatment device, comprising a treatment box, wherein slag discharge ports are provided on the front and rear sides of the treatment box, an opening and closing mechanism is provided inside the slag discharge port, a slag discharge mechanism is provided inside the treatment box, a partition plate is fixedly connected near the middle position between the inner surface walls of the treatment box, a connecting port is symmetrically provided on the top of the partition plate, an activated carbon filter layer is provided on the inner bottom of the treatment box, a water seepage plate is provided between the inner surface walls of the treatment box, the bottom of the water seepage plate and the top of the activated carbon filter layer are in contact with each other, an alkaline gravel layer is provided between the inner surface walls of the treatment box, a gauze is provided between the alkaline gravel layer and the water seepage plate, and the position of the alkaline gravel layer corresponds to that of the slag discharge port.

[0008] Furthermore, a water inlet pipe is fixedly connected to an outer surface of one side of the processing box, a drain pipe is fixedly connected to a position near the bottom of the front surface of the processing box, and a solenoid valve is provided on the outside of the drain pipe.

[0009] Furthermore, a movable groove is provided at a position where the interior of the processing box and the slag discharge port overlap, and sliding grooves are symmetrically provided on the front and rear outer surfaces of the processing box, and the sliding grooves are connected to the movable groove.

[0010] Furthermore, a top cover is installed on the top of the processing box, and support legs are fixedly connected to the bottom of the processing box near the four corners.

[0011] Furthermore, the slag discharge mechanism includes a servo motor and two wire filter screens, one side of the wire filter screen is fixedly connected to a T-shaped rod, the outer surface of the T-shaped rod is rotatably connected to a rotating sleeve, and the rotating sleeve is fixedly connected to the bottom of the partition plate, and the wire filter screen and the connecting port are positioned correspondingly.

[0012] Furthermore, the servo motor is fixedly mounted on the front surface of the processing box, the output end of the servo motor slides through the outer surface of the processing box and extends to the other side, the output end of the servo motor is fixedly connected to a rotating shaft, the outer surface of the rotating shaft is symmetrically fixedly connected to a limiting disk, and the outer surface of the limiting disk is rotatably connected to a limiting column.

[0013] Furthermore, the bottom of the limiting column is fixedly connected to a vertical rod, the top of the wire filter is symmetrically fixedly connected to a connecting block, a transverse rod is fixedly connected between the outer surfaces of the two connecting blocks, and the vertical rod and the transverse rod are rotatably connected.

[0014] Furthermore, the outer surfaces of the two rotating shafts extend to the rear side of the processing box, the rear ends of the two rotating shafts are fixedly connected to pulleys, and a transmission belt is sleeved between the outer surfaces of the two pulleys.

[0015] Further, the opening and closing mechanism comprises an opening and closing plate which is slidingly arranged in the interior of the movable groove, a plurality of sliding blocks are fixedly connected to the front surface of the opening and closing plate, and the top of one of the sliding blocks is fixedly connected with an electric push rod.

[0016] Further, the top of the other sliding blocks is fixedly connected with a limiting telescopic rod, the top of the electric push rod and the limiting telescopic rod is fixedly connected with a fixing block, and the rear surface of the fixing block is fixedly connected with the front surface of the treatment box.

[0017] Compared with the prior art, the beneficial effects of the present application are:

[0018] 1. When the wastewater is filtered into the treatment box through the water inlet pipe, the iron wire filter screen filters the large-particle impurities in the wastewater, the alkaline gravel layer filters and neutralizes the wastewater, the neutralized wastewater is purified by penetrating into the activated carbon layer from the water permeation plate, and then is discharged through the drain pipe. Subsequently, the four limiting discs are driven to rotate by the cooperation of the servo motor, the rotating shaft and the transmission belt, at this time, the iron wire filter screen is deflected by the cooperation of the limiting column, the vertical rod, the horizontal rod, the T-shaped block and the rotating sleeve, so that the large-particle impurities fall to the top of the alkaline gravel layer and are easily cleaned from the slag discharge port. The design is simple and reasonable, and more convenient to use, which greatly improves the overall treatment efficiency of the wastewater.

[0019] 2. When the electric push rod is started, the telescopic end is retracted, the opening and closing plate is moved upward through the middle sliding block, so that the opening and closing plate is exposed to the position above the interior of the movable groove, which facilitates the cleaning of the impurities. When the electric push rod is started, the telescopic end is elongated, the opening and closing plate is pushed downward, and the slag discharge port is blocked. This design can avoid the impurities from falling outside the slag discharge port and polluting the working environment before cleaning. The design is simple and reasonable, and the impurities are easily cleaned without falling outside.

[0020] 3. The cooperation of the sliding groove, the limiting telescopic rod and the sliding block improves the stability of the opening and closing plate during lifting. The setting of the top-concave partition plate facilitates the flow of wastewater and internal impurities to the low-communication port, avoids the retention of wastewater on the partition plate, and improves the treatment effect. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of the acid industrial wastewater purification treatment device of the present application;

[0022] Figure 2 It is a sectional view of the acid industrial wastewater purification treatment device of the present application;

[0023] Figure 3 It is a structural schematic view of the acid industrial wastewater purification treatment device of the present application;

[0024] Figure 4 It is a structure schematic view of a slagging mechanism of the acid industrial wastewater purification treatment device of the present application;

[0025] Figure 5 It is a partial structure schematic view of the acid industrial wastewater purification treatment device of the present application;

[0026] Figure 6 It is a structure schematic view of an opening and closing mechanism of the acid industrial wastewater purification treatment device of the present application;

[0027] Figure 7 It is another partial structure schematic view of the acid industrial wastewater purification treatment device of the present application.

[0028] In the figure:

[0029] 1, treatment box; 11, supporting foot; 12, top cover; 13, water inlet pipe; 14, water outlet pipe; 15, electromagnetic valve; 16, slagging port; 17, movable groove; 18, sliding groove; 2, opening and closing mechanism; 201, opening and closing plate; 202, sliding block; 203, limiting telescopic rod; 204, fixed block; 205, electric push rod; 3, slagging mechanism; 301, servo motor; 302, rotating shaft; 303, limiting disc; 304, transmission belt; 305, limiting column; 306, vertical rod; 307, iron wire filter screen; 308, connecting block; 309, horizontal rod; 310, T-shaped rod; 311, rotating sleeve; 312, pulley; 4, partition plate; 41, communicating port; 5, activated carbon filter layer; 51, water permeable plate; 52, gauze; 53, alkaline gravel layer. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0031] Please refer to Figures 1-7The application provides a technical scheme: an acidic industrial wastewater purification treatment device, which comprises a treatment box 1, a slag discharge port 16 is arranged on the front and rear sides of the treatment box 1, an opening and closing mechanism 2 is arranged in the slag discharge port 16, a slag discharge mechanism 3 is arranged in the treatment box 1, a partition plate 4 is fixedly connected between the inner walls of the treatment box 1 and close to the middle position, a communication port 41 is symmetrically arranged on the top of the partition plate 4, an activated carbon filter layer 5 is arranged on the inner bottom of the treatment box 1, a water permeation plate 51 is arranged between the inner walls of the treatment box 1, the bottom of the water permeation plate 51 is attached to the top of the activated carbon filter layer 5, an alkaline gravel layer 53 is arranged between the inner walls of the treatment box 1, a gauze 52 is arranged between the alkaline gravel layer 53 and the water permeation plate 51, and the alkaline gravel layer 53 corresponds to the position of the slag discharge port 16.

[0032] As shown in Figure 1 , Figure 2 and Figure 5 , a water inlet pipe 13 is fixedly connected to one side of the outer surface of the treatment box 1, a drain pipe 14 is fixedly connected to the front surface of the treatment box 1 and close to the bottom, an electromagnetic valve 15 is arranged on the outside of the drain pipe 14, the water inlet pipe 13 is mainly used for sucking the acidic wastewater mixed with flocculants into the treatment box 1, the drain pipe 14 is mainly used for discharging the treated wastewater, the electromagnetic valve 15 is arranged to adjust the flow rate of the water flow, and the treated wastewater is discharged after the wastewater is fully reacted.

[0033] As shown in Figure 1 , Figure 3 and Figure 5 , a movable groove 17 is arranged at the position where the inside of the treatment box 1 and the slag discharge port 16 overlap, a sliding groove 18 is symmetrically arranged on the front and rear sides of the outer surface of the treatment box 1, the sliding groove 18 is in communication with the movable groove 17, the movable groove 17 is arranged in the inside of the slag discharge port 16 and has the same width as the slag discharge port 16, the height of the movable groove 17 is higher than that of the slag discharge port 16, and the movable groove 17 is mainly used for accommodating the opening and closing plate 201, and the number of the sliding grooves 18 is three and they are mainly used for accommodating the sliding blocks 202.

[0034] As shown in Figures 1-3 and Figure 5 , a top cover 12 is installed on the top of the treatment box 1, support feet 11 are fixedly connected to the positions close to the four corners of the bottom of the treatment box 1, the top cover 12 is mainly used for sealing the treatment box 1, the two are connected through bolts or other connection modes, the top cover 12 is mainly used for opening the treatment box 1 to operate the internal mechanism, and the top cover 12 is usually opened for maintenance in the later period, and the support feet 11 are mainly used for making the device off the ground, the cross section of the support feet 11 is in an inverted T shape and has a good supporting effect.

[0035] As shown in Figures 1-4As shown, the deslagging mechanism 3 includes a servo motor 301 and two wire filter screens 307, one side of the wire filter screen 307 is fixedly connected with a T-shaped rod 310, the outer surface of the T-shaped rod 310 is rotatably connected with a rotating sleeve 311, the rotating sleeve 311 is fixedly connected below the partition plate 4, the wire filter screen 307 corresponds to the position of the communication port 41, the wire filter screen 307 is composed of a large number of longitudinal and transverse interlaced adhering and annular frames, has the effect of filtering large particle impurities in wastewater, the T-shaped rod 310 includes a vertical column and a horizontal column, wherein the vertical column is fixedly connected with the wire filter screen 307, the horizontal column is rotatably connected with the rotating sleeve 311, and the rotating sleeve 311 is fixed at the bottom of the partition plate 4, so that the wire filter screen 307 can be rotated downward at the bottom of the partition plate 4, the wire filter screen 307 is located below the communication port 41, and the top of the partition plate 4 is sunken, therefore, after the wastewater enters the inside of the treatment tank 1, it will flow to the positions of the two communication ports 41, thereby filtering large particle impurities after passing through the wire filter screen 307.

[0036] As shown in Figures 1-4 , the servo motor 301 is fixedly installed on the front surface of the treatment tank 1, the output end of the servo motor 301 slides through the outer surface of the treatment tank 1 and extends to the other side, the output end of the servo motor 301 is fixedly connected with a rotating shaft 302, the outer surface of the rotating shaft 302 is fixedly connected with a limiting disc 303, the outer surface of the limiting disc 303 is rotatably connected with a limiting column 305, the servo motor 301 is installed on the treatment tank 1, and when it is started, it can drive the rotating shaft 302 to rotate, the rotating shaft 302 can drive the two limiting discs 303 on the surface to rotate synchronously, so that the limiting column 305 close to the right side is rotated to the position below, and the two rotate relative to each other to offset the motion interference.

[0037] As shown in Figures 1-4 , the bottom of the limiting column 305 is fixedly connected with a vertical rod 306, the top of the wire filter screen 307 is fixedly connected with a connecting block 308, the outer surfaces of the two connecting blocks 308 are fixedly connected with a horizontal rod 309, the vertical rod 306 and the horizontal rod 309 are rotatably connected, when the limiting column 305 moves from the right side to the lower side under the action of the limiting disc 303, a downward thrust is generated on the vertical rod 306, at this time, the vertical rod 306 generates a downward thrust on the horizontal rod 309 synchronously, and the downward thrust is transmitted to the connecting block 308 or acts on the wire filter screen 307, and the wire filter screen 307 is flipped downward on the right side under the action of the T-shaped rod 310 and the rotating sleeve 311, thereby leaking the communication port 41, and itself is in an inclined state, so that the large particle impurities at the top filtering position roll down to the alkaline gravel layer 53 below.

[0038] As shown in Figures 1-4As shown, the outer surfaces of the two rotating shafts 302 extend to the rear side of the treatment box 1, the rear ends of the two rotating shafts 302 are fixedly connected with pulleys 312, the outer surfaces of the two pulleys 312 are sleeved with a transmission belt 304, when the servo motor 301 drives one of the rotating shafts 302 to rotate, the pulley 312 at the rear end of the rotating shaft 302 will rotate synchronously, and the transmission belt 304 wound on the surface of the pulley 312 has the function of synchronous transmission, thereby making the other pulley 312 rotate synchronously and in the same direction, thereby making the two wire filter screens 307 open synchronously.

[0039] As shown in the figure, Figure 6 The opening and closing mechanism 2 includes an opening and closing plate 201, which is slidingly embedded in the inside of the movable groove 17, the front surface of the opening and closing plate 201 is fixedly connected with a plurality of sliding blocks 202, the outer surfaces of the sliding blocks 202 are in close contact with the inner surfaces of the sliding grooves 18, the top of one of the sliding blocks 202 is fixedly connected with an electric push rod 205, the middle sliding block 202 is mainly used to connect the extension end of the electric push rod 205 with the opening and closing plate 201, after the electric push rod 205 is started, the extension end thereof is retracted to move the opening and closing plate 201 upward through the middle sliding block 202, so that it enters the position above the inside of the movable groove 17 to expose the residue discharge port 16, and when the large particles of impurities on the wire filter screen 307 fall to the top of the alkaline gravel layer 53, they can be easily cleaned out of the residue discharge port 16, thereby greatly improving the wastewater treatment efficiency. The design is simple and reasonable, and is more convenient to use.

[0040] As shown in the figure, Figure 6 The tops of the other sliding blocks 202 are fixedly connected with limiting extension rods 203, the tops of the electric push rod 205 and the limiting extension rods 203 are fixedly connected with fixed blocks 204, the rear surfaces of the fixed blocks 204 are fixedly connected with the front surface of the treatment box 1, when the electric push rod 205 drives the opening and closing plate 201 to move upward, the limiting extension rods 203 on the other sliding blocks 202 are synchronously retracted, which limits the opening and closing plate 201, so that it can stably ascend and descend. The design of the sliding groove 18 limits the movement of the sliding block 202, so that it can move straight up and down, and the maximum and minimum strokes are limited, further improving the stability of the opening and closing plate 201 when moving.

[0041] The method for using and the working principle of the device: when the device is used, firstly, the acid wastewater mixed with flocculants is drawn into the inside of the treatment box 1 from the water inlet pipe 13, at this time, the wastewater falls on the partition plate 4 and flows to the position of the communication port 41 at the low place, and finally falls below through the iron wire filter screen 307, at this time, the large particle impurities in the wastewater are retained above after being filtered by the iron wire filter screen 307, the wastewater that passes through falls on the alkaline gravel layer 53, and then plays a role of filtering and neutralizing the wastewater, the wastewater after neutralization seeps into the activated carbon filter layer 5 from the water seepage plate 51, at this time, the activated carbon filter layer 5 purifies the wastewater, the treated wastewater is discharged from the drain pipe 14, and the flow rate can be adjusted or opened and closed through the electromagnetic valve 15 according to the need, so as to achieve the effect that the wastewater is fully reacted before being discharged outward, when the wastewater treatment is completed, the servo motor 301 is started to drive one of the shafts 302 to rotate, at this time, the pulley 312 at the rear end of the shaft 302 rotates to drive the other pulley 312 and the shaft 302 to rotate synchronously and in the same direction through the transmission belt 304, so that the four limiting discs 303 on the surfaces of the two shafts 302 rotate synchronously to push the vertical rod 306 downward through the limiting column 305, the vertical rod 306 pushes the horizontal rod 309, and finally the downward pushing force is applied to the iron wire filter screen 307 through the connecting block 308, so that the iron wire filter screen 307 is deflected under the action of the T-shaped rod 310 and the rotating sleeve 311, so that the large particle impurities fall to the top of the alkaline gravel layer 53, at this time, the electric push rod 205 is started to drive the opening and closing plate 201 to move upward from the position below the inside of the movable slot 17, so as to leak out the slag discharge port 16, and when the slag discharge port 16 leaks out, the impurities on the top of the alkaline gravel layer 53 can be directly cleaned, the design is simple and reasonable, and the use is more convenient, and the overall treatment efficiency of the wastewater is greatly improved, and the height of the alkaline gravel layer 53 is adjustable, and it is appropriate not to affect the rotation of the iron wire filter screen 307.

[0042] The wiring diagram of the electromagnetic valve 15 and the servo motor 301 in the application belongs to the common knowledge in the field, and the working principle is a known technology, and the type is selected according to the actual use, so the control mode and the wiring arrangement of the electromagnetic valve 15 and the servo motor 301 are not explained in detail.

[0043] Although the application is described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A device for purifying and treating acidic industrial wastewater, comprising a treatment tank (1), characterized in that: The front and rear sides of the treatment box (1) are both provided with a slag discharge port (16), an opening and closing mechanism (2) is provided inside the slag discharge port (16), a slag discharge mechanism (3) is provided inside the treatment box (1), a partition plate (4) is fixedly connected to a position near the middle between the inner surface walls of the treatment box (1), a communication port (41) is symmetrically provided on the top of the partition plate (4), an activated carbon filter layer (5) is provided at the inner bottom of the treatment box (1), a water seepage plate (51) is provided between the inner surface walls of the treatment box (1), and the bottom of the water seepage plate (51) and the activated carbon filter layer ( 5), an alkaline gravel layer (53) is provided between the inner surface walls of the treatment box (1), a gauze (52) is provided between the alkaline gravel layer (53) and the water seepage plate (51), and the positions of the alkaline gravel layer (53) and the slag discharge port (16) correspond to each other; the slag discharge mechanism (3) includes a servo motor (301) and two wire filters (307), one side of the wire filter (307) is fixedly connected to a T-shaped rod (310), the outer surface of the T-shaped rod (310) is rotatably connected to a rotating sleeve (311), and the rotating sleeve (311) The servo motor (301) is fixedly connected to the bottom of the partition plate (4), and the positions of the wire filter (307) and the communication port (41) correspond to each other; the servo motor (301) is fixedly installed on the front surface of the processing box (1), and the output end of the servo motor (301) slides through the outer surface of the processing box (1) and extends to the other side; the output end of the servo motor (301) is fixedly connected to a rotating shaft (302), and the outer surface of the rotating shaft (302) is symmetrically fixedly connected to a limiting disk (303), and the outer surface of the limiting disk (303) is rotatably connected to a limiting column (305); the limiting column The bottom of (305) is fixedly connected to a vertical rod (306), the top of the wire filter (307) is symmetrically fixedly connected to a connecting block (308), the outer surfaces of the two connecting blocks (308) are fixedly connected to a transverse rod (309), and the vertical rod (306) and the transverse rod (309) are rotatably connected; the outer surfaces of the two rotating shafts (302) extend to the rear side of the processing box (1), the rear ends of the two rotating shafts (302) are fixedly connected to pulleys (312), and a transmission belt (304) is sleeved between the outer surfaces of the two pulleys (312).

2. The acidic industrial wastewater purification treatment device according to claim 1, characterized in that: An outer surface of one side of the treatment box (1) is fixedly connected to a water inlet pipe (13), and a front surface of the treatment box (1) near the bottom is fixedly connected to a drainage pipe (14), and a solenoid valve (15) is provided on the outside of the drainage pipe (14).

3. The acidic industrial wastewater purification device according to claim 2, characterized in that: A movable groove (17) is provided at a position where the interior of the processing box (1) and the slag discharge port (16) overlap, and sliding grooves (18) are symmetrically provided on the front and rear outer surfaces of the processing box (1), and the sliding grooves (18) and the movable groove (17) are connected.

4. The acidic industrial wastewater purification device according to claim 3, characterized in that: A top cover (12) is installed on the top of the processing box (1), and support legs (11) are fixedly connected to the bottom of the processing box (1) near the four corners.

5. The acidic industrial wastewater purification device according to claim 1, characterized in that: The opening and closing mechanism (2) comprises an opening and closing plate (201), the opening and closing plate (201) being slidably embedded in the interior of the movable groove (17), a plurality of sliders (202) being fixedly connected to the front surface of the opening and closing plate (201), the outer surfaces of the sliders (202) being in contact with the inner surface wall of the sliding groove (18), and an electric push rod (205) being fixedly connected to the top of one of the sliders (202).

6. The acidic industrial wastewater purification device according to claim 5, characterized in that: The tops of the other several sliders (202) are fixedly connected to the limiting telescopic rod (203), and the tops of the electric push rod (205) and the limiting telescopic rod (203) are fixedly connected to a fixed block (204), and the rear surface of the fixed block (204) is fixedly connected to the front surface of the processing box (1).

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