Split table with guard

Abstract

This utility model discloses a fracturing stage with a protective cover, including a worktable; it also includes a lead screw drive component mounted on the worktable, a height adjustment component mounted on the worktable, a rotating component and a feeding component mounted on the output end of the height adjustment component, a bidirectional lead screw adjustment component mounted on the output end of the rotating component, and a fracturing component mounted on the output end of the bidirectional lead screw adjustment component. When fracturing is completed, the lead screw drive component drives the vacuum suction cup to reset. During the reset process, a scraper mounted on the second connecting plate at the output end of the height adjustment component guides the fractured glass through the feeding trough on the protective cover into a collection box on the inclined platform at the top of the worktable. This process achieves synchronous coordination between the feeding component (scraper, etc.) and the vacuum suction cup reset action, using the scraper to guide the automatic feeding, eliminating the need for manual handling, simplifying the material handling process, and improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of glass processing technology, specifically to a glass cleaving stage with a protective cover. Background Technology

[0002] The dicing stage is the core component of the dicing apparatus. It is mainly used to support the cut material (such as wafers, glass, etc.) and to make it split along the preset cutting line through physical action (such as mechanical pressure, thermal stress, etc.) to achieve precise separation.

[0003] In the original glass cleaving process, after cleaving, a piece of glass is divided into many small branches with patterns, which need to be manually grasped and picked up. The operation is tedious and inefficient. After cutting, the glass contains small fragments. These fragments can not only easily scratch the operators, but also affect the quality of subsequent cleaving work. The fracturing work usually uses a screw device for movement. However, the fragments generated during the cutting and cleaving process can easily enter the screw device, causing wear on the screw and affecting the service life and accuracy of the screw device. Utility Model Content

[0004] To overcome the shortcomings of existing technologies, the purpose of this utility model is to provide a cleaving stage with a protective cover. When the cleaving work is completed, the screw drive drives the vacuum suction cup to reset. During the reset process, the scraper installed on the second connecting plate at the output end of the height adjustment component plays a role, guiding the cleaved glass through the feeding groove on the protective cover into the receiving box on the inclined platform at the top of the worktable for collection. This process realizes the synchronous cooperation between the feeding component (scraper, etc.) and the reset action of the vacuum suction cup. Automatic feeding is completed by using the scraper to guide the feeding, eliminating the need for manual grabbing, simplifying the material handling process, and improving work efficiency.

[0005] The objective of this utility model is achieved through the following technical solution: A fracturing stage with a protective cover includes a worktable; characterized in that it further includes a screw drive component mounted on the worktable, a height adjustment component mounted on the worktable, a rotating component and a feeding component mounted on the output end of the height adjustment component, a bidirectional screw adjustment component mounted on the output end of the rotating component, and a fracturing component mounted on the output end of the bidirectional screw adjustment component. A protective cover for fracturing protection is installed on the worktable, and a feeding groove is provided on the protective cover. A vacuum suction cup is installed on the output end of the screw drive component, and a mesh cover is fitted on the vacuum suction cup. The feeding component includes a feeding groove opened on the protective cover, an inclined platform mounted on the upper end of the worktable, a material receiving box mounted on the protective cover, a second connecting plate mounted on the output end of the height adjustment component, and a scraper mounted on the second connecting plate. When the fracturing operation is completed, the screw drive drives the vacuum suction cup to move along the feed trough, and the glass fragments are guided by the scraper into the collection box for collection.

[0006] In one optional embodiment, a second groove is provided at the upper end of the protective shell, a first threaded sleeve is installed on the screw thread of the screw drive component, and T-shaped platforms are provided at the left and right ends of the inner wall of the second groove, and the upper surface of the T-shaped platform completely covers the second groove.

[0007] In one optional embodiment, a first groove is provided on the workbench, a vacuum pump is installed at the lower end of the workbench, a shut-off valve is provided at the input end of the vacuum suction cup, and a connecting pipe on the output end of the vacuum pump passes through the first groove and is connected to the input end of the shut-off valve.

[0008] In one optional embodiment, a material receiving groove is provided on the outer side of the mesh cover, and an installation frame is fixedly connected to the lower end of the material receiving groove. A magnet is provided on the outer side of the installation frame. When the mesh cover is placed over the vacuum suction cup, the installation frame is fixed to the outer side of the vacuum suction cup by the magnet.

[0009] In one optional embodiment, the height adjustment assembly includes a limit frame mounted on a workbench, a cylinder mounted in the limit frame, a first connecting plate mounted on the output end of the cylinder, and a tripod connected to the upper end of the first connecting plate. The cylinder is used to drive the first connecting plate and move it in the vertical direction.

[0010] In one optional embodiment, the rotating component includes a first motor mounted on a first connecting plate, a connecting frame mounted on the output shaft of the first motor, and a disk mounted below the connecting frame, wherein the first motor is used to drive the disk to rotate.

[0011] In one optional embodiment, the bidirectional lead screw adjuster includes a fixed plate mounted on a disc, a second motor mounted on the fixed plate, and a double-threaded screw mounted on the output end of the second motor. The double-threaded screw has two threads in opposite directions, and a second threaded sleeve is threaded onto each of the corresponding threads. The second motor is used to drive the double-threaded screw to rotate. When the double-threaded screw rotates, the two second threaded sleeves move closer to or further away from each other on the double-threaded screw.

[0012] In one optional embodiment, the fracturing assembly includes a pressure sensor mounted below the second threaded sleeve, a rotating frame mounted below the pressure sensor, and a pressure roller rotatably mounted on the rotating frame. When the height adjustment assembly drives the fracturing assembly to press against the glass on the mesh cover, the pressure sensor is used to detect the pressure value of the pressure roller on the glass and transmit a signal to the control unit on the cylinder.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. When the fracturing work is completed, the screw drive drives the vacuum suction cup to reset. During the reset process, the scraper installed on the second connecting plate at the output end of the height adjustment component plays a role, guiding the glass after fracturing into the material receiving box on the inclined platform at the top of the worktable through the feeding trough on the protective cover. This process realizes the synchronous cooperation between the feeding component (scraper and other structures) and the reset action of the vacuum suction cup. The scraper guides the automatic feeding, eliminating the need for manual grabbing, simplifying the material handling process and improving work efficiency.

[0014] 2. When the mesh cover is placed above the vacuum suction cup, the magnetic clamping frame is magnetically attached to the outside of the vacuum suction cup for stable installation. After opening the shut-off valve, the vacuum suction cup uses the vacuum pump to generate suction force to adhere and fix the glass placed on the mesh cover, which facilitates the cracking work. During this process, the mesh cover isolates and adsorbs glass fragments to prevent them from splashing everywhere. When feeding, some fragments flow into the receiving trough for collection. After the work is completed, the mesh cover can be removed and the surface fragments can be rinsed and cleaned, which protects the operators and ensures that the subsequent cracking work can proceed smoothly.

[0015] 3. When the motor drives the lead screw to rotate, the first screw sleeve moves linearly along its axis, causing the upper vacuum suction cup to move. When the glass is being cleaved and unloaded, the T-shaped table blocks the debris generated by the cleaving, preventing it from flowing into the lead screw, avoiding wear on the lead screw from the debris, extending the service life of the lead screw device, and ensuring the stability and accuracy of the equipment operation. Attached Figure Description

[0016] Figure 1 A three-dimensional structural diagram of a cleaving stage with a protective shield; Figure 2 A three-dimensional structural diagram of the internal components of a dicing stage with a protective cover; Figure 3 A cross-sectional three-dimensional structural diagram of the lead screw drive component of a dicing stage with a protective cover; Figure 4 For a fracking stage with a protective cover Figure 2 A magnified cross-sectional three-dimensional structural diagram of point A; Figure 5 A schematic diagram of the three-dimensional structure of the vacuum suction cup and mesh cover of the cleaving stage with a protective cover; Figure 6 This is a three-dimensional structural diagram of the height adjustment assembly and lead screw drive of the dicing stage with a protective cover.

[0017] In the diagram: 1. Workbench; 101. Protective cover; 102. Feed chute; 103. Inclined platform; 104. Material receiving box; 105. Feed chute; 106. First trough; 2. Protective shell; 201. Second trough; 202. T-shaped platform; 203. First screw sleeve; 204. Vacuum suction cup; 205. Shut-off valve; 206. Vacuum pump; 3. Mesh cover; 301. Material receiving trough; 302. Mounting frame; 303. 1. Magnet; 4. Limiting frame; 401. Cylinder; 402. First connecting plate; 403. Triangular frame; 404. Second connecting plate; 405. Scraper; 5. First motor; 501. Connecting frame; 502. Disc; 503. Connecting groove; 6. Fixing plate; 601. Second motor; 602. Double threaded screw; 603. Second threaded sleeve; 7. Pressure sensor; 701. Rotating frame; 702. Pressure roller. Detailed Implementation

[0018] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments. Unless otherwise specified, the materials and equipment used in this embodiment are all commercially available. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0019] In the description of this application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In the description of this application, "a plurality of" means two or more, unless otherwise precisely specified.

[0020] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "connected," "linked," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a connection through an intermediary, the internal connection of two elements, or the interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0021] The terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such process, method, product, or apparatus.

[0022] Please refer to Figures 1-6 This utility model provides an embodiment of a fracturing stage with a protective cover, comprising a worktable 1; characterized in that: it further comprises a screw drive component installed on the worktable 1, a height adjustment component installed on the worktable 1, a rotating component and a feeding component installed on the output end of the height adjustment component, a bidirectional screw adjustment component installed on the output end of the rotating component, and a fracturing component installed on the output end of the bidirectional screw adjustment component; a protective cover 101 for fracturing protection is installed on the worktable 1, a feeding groove 105 is provided on the protective cover 101, a vacuum suction cup 204 is installed on the output end of the screw drive component, a mesh cover 3 is sleeved on the vacuum suction cup 204, and the feeding component includes a feeding groove 102 opened on the protective cover 101, an inclined platform 103 installed on the upper end of the worktable 1, a material receiving box 104 installed on the protective cover 101, a second connecting plate 404 installed on the output end of the height adjustment component, and a scraper 405 installed on the second connecting plate 404; When the fracturing operation is completed, the screw drive drives the vacuum chuck 204 to move along the feed chute 105, and the glass fragments are guided by the scraper 405 into the collection box 104 for collection.

[0023] In a preferred embodiment of this utility model, glass with cracks is placed on the mesh cover 3. The vacuum suction cup 204 is moved to the lower part of the fracturing component inside the protective cover 101 by the screw drive component. The fracturing component is moved downward by the height adjustment component. Then, under the drive of the bidirectional screw adjustment component, the fracturing component applies pressure to the glass. Then, the screw drive component drives the vacuum suction cup 204 to reset. During the reset process, the glass after cracking flows into the material collection box 104 on the inclined table 103 through the scraper 405 for subsequent collection.

[0024] In a preferred embodiment of this utility model, a second groove 201 is provided at the upper end of the protective shell 2. A first threaded sleeve 203 is installed on the threaded screw of the screw drive component. T-shaped platforms 202 are provided at the left and right ends of the inner wall of the second groove 201, and the upper surface of the T-shaped platform 202 completely covers the second groove 201. When the glass is being cleaved and unloaded, the T-shaped platform 202 can block the debris generated by the cleaving. The screw drive component consists of a motor, a screw, a first threaded sleeve 203 and a protective shell 2. The screw is installed at the output end of the motor. The first threaded sleeve 203 is threaded on the screw. When the motor drives the screw to rotate, the first threaded sleeve 203 moves linearly along its axial direction, thereby driving the vacuum suction cup 204 above to move. Through the structure of the T-shaped platform 202, debris can be prevented from flowing into the screw, avoiding wear of the screw by debris.

[0025] In a preferred embodiment of this utility model, a first groove 106 is provided on the workbench 1, a vacuum pump 206 is installed at the lower end of the workbench 1, a shut-off valve 205 is provided at the input end of the vacuum suction cup 204, and a connecting pipe on the output end of the vacuum pump 206 passes through the first groove 106 and is connected to the input end of the shut-off valve 205. A material receiving groove 301 is provided on the outer side of the mesh cover 3, and a mounting frame 302 is fixedly connected to the lower end of the material receiving groove 301. A magnet 303 is provided on the outer side of the mounting frame 302. When the mesh cover 3 is fitted... When the vacuum suction cup 204 is above the vacuum suction cup 204, the mounting frame 302 is fixed to the outside of the vacuum suction cup 204 by the magnet 303. By opening the shut-off valve 205, the vacuum suction cup 204 generates suction through the vacuum pump 206 to adsorb the glass placed on the mesh cover 3 above it. The mesh cover 3 isolates and adsorbs the glass fragments. During the unloading operation, some fragments flow into the receiving trough 301 for collection. After the operation is completed, the mesh cover 3 can be removed from the vacuum suction cup 204 for fragment cleaning.

[0026] In a preferred embodiment of this utility model, the height adjustment component includes a limiting frame 4 mounted on the workbench 1, a cylinder 401 mounted inside the limiting frame 4, a first connecting plate 402 mounted on the output end of the cylinder 401, and a tripod 403 connected to the upper end of the first connecting plate 402. The cylinder 401 is used to drive the first connecting plates 402 and 403 to move in the vertical direction. The first connecting plate 402 is the output end connection point of the height adjustment component. Since the components connected below it are relatively heavy, the tripod 403 is used to improve the load-bearing capacity of the first connecting plate 402 and ensure the stability of the overall structure.

[0027] Another embodiment based on the height adjustment element: In practical use, the cylinder 401 on the height adjustment component can be replaced. For example, a lead screw can be rotatably installed inside the limit frame 4, and a servo motor can be installed at the upper end of the limit frame 4. Then, the output end of the servo motor and the lead screw can be connected. A screw groove is opened in the first connecting plate 402 located inside the limit frame 4, and the lead screw is installed in it. By driving the servo motor to turn on, the lead screw rotates, driving the first connecting plate 402 to move up and down in the limit frame 4. Compared with the cylinder 401, the lead screw transmission structure has higher precision.

[0028] In a preferred embodiment of this utility model, the rotating component includes a first motor 5 mounted on a first connecting plate 402, a connecting frame 501 mounted on the output shaft of the first motor 5, and a disc 502 mounted below the connecting frame 501. The first motor 5 is used to drive the disc 502 to rotate. The bidirectional lead screw adjusting component includes a fixing plate 6 mounted on the disc 502, a second motor 601 mounted on the fixing plate 6, and a double-threaded screw 602 mounted on the output end of the second motor 601. The double-threaded screw 602 has two threads in opposite directions, and a second threaded sleeve 603 is threadedly installed on each of the corresponding threads. The second motor 601 is used to drive the double-threaded screw 602 to rotate. When the double-threaded screw 602 rotates, the two second threaded sleeves 603 move closer to or further away from each other on the double-threaded screw 602.

[0029] In a preferred embodiment of this utility model, the fracturing assembly includes a pressure sensor 7 installed below the second screw sleeve 603, a rotating frame 701 installed below the pressure sensor 7, and a pressure roller 702 rotatably mounted on the rotating frame 701. When the height adjustment assembly drives the fracturing assembly to press against the glass on the mesh cover 3, the pressure sensor 7 is used to detect the pressure value of the pressure roller 702 on the glass and transmit the signal to the control unit on the cylinder 401. When the bidirectional screw adjuster drives the two fracturing assemblies to move, the glass below is subjected to roller-assisted splitting.

[0030] Another embodiment based on fracturing components In practical use, after replacing the fracturing component below the second screw sleeve 603, a row of hot air pipes can be installed. These hot air pipes are evenly distributed and spaced evenly to ensure that the hot air can act evenly on the glass. The input end of the hot air pipe is connected to the hot air source through a high-temperature resistant metal pipe with a solenoid valve. The hot air source can be a specially equipped heating furnace that can generate stable and temperature-adjustable hot air. The solenoid valve can precisely control the on / off state and flow rate of the hot air. During use, the solenoid valve is adjusted to control the flow rate of the hot air according to the material of the glass and the crack condition. The hot air blown out by the hot air pipe acts on the glass, and through thermal expansion and contraction, the cracks on the glass are enlarged, thereby achieving the work of splitting the glass. Compared with the method of using the pressure roller 702, the thermal expansion and contraction method can make the cracks open evenly.

[0031] Through the above steps, the glass with cracks is placed on the mesh cover 3. The lower end of the material receiving groove 301 on the outside of the mesh cover 3 is fixed to the mounting frame 302. The magnet 303 on the outside of the mounting frame 302 can magnetically attract it to the outside of the vacuum suction cup 204 for stable installation. The shut-off valve 205 is opened, and the vacuum pump 206 at the lower end of the workbench 1 generates suction. The glass on the mesh cover 3 is adsorbed through the vacuum suction cup 204. At the same time, the mesh cover 3 can isolate and adsorb glass fragments. Some fragments flow into the material receiving groove 301 when feeding. The motor in the screw drive component drives the screw to rotate, so that the first screw sleeve 203 threaded on the screw drives the vacuum suction cup 204 to move to the lower part of the fracturing component inside the protective cover 101. The T-shaped platform 202 at both ends of the inner wall of the second groove 201 prevents the fragments from flowing into the screw. In the height adjustment assembly, the cylinder 401 telescopic rod inside the limit frame 4 extends, pushing the first connecting plate 402 and the connected tripod 403 downwards. The first connecting plate 402 serves as the output end connection point, and the tripod 403 increases its load-bearing capacity, causing the rotating component and subsequent components to move downwards, bringing the fracturing assembly closer to the glass. The first motor 5 in the rotating component is activated, and its output shaft drives the connecting frame 501 and the disk 502 below to rotate. The second motor 601 in the bidirectional screw adjustment assembly, mounted on the fixing plate 6 on the disk 502, is activated, driving the double-threaded screw 602 on the output shaft to rotate, causing the two second threaded sleeves 603 with threads installed on their opposite threads to rotate on the disk 502. In the interconnecting grooves 503, the pressure sensor 7 installed below the second threaded sleeve 603 in the fracturing assembly senses the pressure of the pressure roller 702 on the glass. The pressure sensor 7 has a special sensing element inside. When subjected to pressure, the sensing element will deform. This deformation will change the electrical characteristics inside the sensor, such as changes in parameters like resistance, capacitance, or inductance. The pressure sensor 7 converts these changes in electrical characteristics into corresponding electrical signals. The strength of this electrical signal is proportional to the pressure applied to the glass by the pressure roller 702. Subsequently, the pressure sensor 7 transmits the generated electrical signal to the control unit on the cylinder 401 through a line. Two fracturing components are displaced under the drive of the bidirectional screw adjuster. The pressure roller 702 performs roller pressing to assist in the splitting of the glass. Driven by the rotating component, it performs multi-angle uniform fracturing. After the fracturing is completed, the screw drive component drives the vacuum suction cup 204 to reset. During the reset process, the scraper 405 installed on the second connecting plate 404 at the output end of the height adjustment component guides the glass after the split pieces into the material receiving box 104 on the inclined platform 103 at the upper end of the worktable 1 through the material discharge trough 102 on the protective cover 101 for collection.

[0032] Although only certain components and embodiments of this application have been illustrated and described, many modifications and alterations (e.g., variations in the size, dimensions, structure, shape and proportion of the various elements, installation arrangement, material use, color, orientation, etc.) will be conceived by those skilled in the art without actually departing from the scope and spirit of the claims.

[0033] Finally, it should be noted that the above embodiments are only preferred embodiments of this utility model and should not be used to limit the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A framing stage with a protective cover, comprising a worktable (1); characterized in that: It also includes a screw drive component installed on the workbench (1), a height adjustment component installed on the workbench (1), a rotating component and a feeding component installed on the output end of the height adjustment component, a bidirectional screw adjustment component installed on the output end of the rotating component, and a fracturing component installed on the output end of the bidirectional screw adjustment component. A protective cover (101) for fracturing protection is installed on the workbench (1). A feeding groove (105) is opened on the protective cover (101). A vacuum suction cup (204) is installed on the output end of the screw drive component. A mesh cover (3) is fitted on the vacuum suction cup (204). The feeding component includes a feeding groove (102) opened on the protective cover (101), an inclined platform (103) installed on the upper end of the workbench (1), a material receiving box (104) installed on the protective cover (101), a second connecting plate (404) installed on the output end of the height adjustment component, and a scraper (405) installed on the second connecting plate (404). When the fracturing operation is completed, the screw drive drives the vacuum chuck (204) to move along the feed chute (105), and the glass fragments are guided by the scraper (405) into the collection box (104) for collection.

2. The cleaving stage with a protective cover according to claim 1, characterized in that: The upper end of the protective shell (2) is provided with a second groove (201), and a first threaded sleeve (203) is installed on the threaded screw of the screw drive component. The inner wall of the second groove (201) is provided with T-shaped platforms (202) at both ends, and the upper surface of the T-shaped platform (202) completely covers the second groove (201).

3. The cleaving stage with a protective cover according to claim 1, characterized in that: The workbench (1) has a first groove (106) and a vacuum pump (206) is installed at the lower end of the workbench (1). A shut-off valve (205) is installed at the input end of the vacuum suction cup (204). The connecting pipe on the output end of the vacuum pump (206) passes through the first groove (106) and is connected to the input end of the shut-off valve (205).

4. The cleaving stage with a protective cover according to claim 1, characterized in that: A material receiving groove (301) is provided on the outside of the mesh cover (3). A mounting frame (302) is fixed to the lower end of the material receiving groove (301). A magnet (303) is provided on the outside of the mounting frame (302). When the mesh cover (3) is placed on top of the vacuum suction cup (204), the mounting frame (302) is fixed to the outside of the vacuum suction cup (204) by the magnet (303).

5. The cleaving stage with a protective cover according to claim 1, characterized in that: The height adjustment assembly includes a limit frame (4) mounted on the workbench (1), a cylinder (401) mounted in the limit frame (4), a first connecting plate (402) mounted on the output end of the cylinder (401), and a tripod (403) connected to the upper end of the first connecting plate (402). The cylinder (401) is used to drive the first connecting plate (402) and (403) to move in the vertical direction.

6. The cleaving stage with a protective cover according to claim 5, characterized in that: The rotating component includes a first motor (5) mounted on a first connecting plate (402), a connecting frame (501) mounted on the output shaft of the first motor (5), and a disc (502) mounted below the connecting frame (501). The first motor (5) is used to drive the disc (502) to rotate.

7. The cleaving stage with a protective cover according to claim 6, characterized in that: The bidirectional lead screw adjustment component includes a fixed plate (6) mounted on a disc (502), a second motor (601) mounted on the fixed plate (6), and a double-threaded screw (602) mounted on the output end of the second motor (601). The double-threaded screw (602) has two threads in opposite directions, and a second threaded sleeve (603) is threaded on each of the corresponding threads. The second motor (601) is used to drive the double-threaded screw (602) to rotate. When the double-threaded screw (602) rotates, the two second threaded sleeves (603) move closer to or further away from each other on the double-threaded screw (602).

8. The cleaving stage with a protective cover according to claim 7, characterized in that: The fracturing assembly includes a pressure sensor (7) mounted below the second screw sleeve (603), a rotating frame (701) mounted below the pressure sensor (7), and a pressure roller (702) rotatably mounted on the rotating frame (701). When the height adjustment assembly drives the fracturing assembly to press against the glass on the mesh cover (3), the pressure sensor (7) is used to detect the pressure value of the pressure roller (702) on the glass and transmit the signal to the control unit on the cylinder (401).

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