Door and window cutting device

Abstract

The invention relates to the field of door and window cutting, in particular to a door and window cutting device. Comprising a top plate assembly, a cutting assembly is mounted at the bottom of the top plate assembly, and two adjusting assemblies are symmetrically mounted on the top plate assembly; when a cutting structure cuts a pressure-resistant plate due to deviation, the pressure-resistant plate begins to extrude a sliding rod due to sensing of pressure, the sliding rod begins to extrude a third compression spring in a sleeving pipe in the buffering process, the third compression spring acts rebound force on a pressure sensor when sensing the pressure, a numerical value is collected for warning, and a warning effect is achieved. And the two sets of sensors cannot be located on the same height distance in the process that the pressure-resistant plate is extruded, the multi-layer warning function of the structure is improved, secondary damage of door and window cutting is avoided, the precise effect of door and window cutting is improved, and meanwhile the working effect of the device is improved.

Description

[0001] The present application is a divisional application of the application with application number 202510254151.8, titled "A door and window cutting device and its working method", filed on March 5, 2025. TECHNICAL FIELD

[0002] The application belongs to the technical field of door and window cutting, and particularly relates to a door and window cutting device. BACKGROUND

[0003] Aluminum alloy doors and windows include doors and windows made of aluminum alloy as a force bar member base material and wood and plastic composites, which are referred to as aluminum-wood composite doors and windows and aluminum-plastic composite doors and windows. During the assembly and splicing process of aluminum alloy doors and windows, a cutting device is usually required.

[0004] According to the search, the prior art discloses a cutting device for door and window processing in Chinese Patent No. CN220782397U, published on April 16, 2024, which comprises a base, a workbench fixedly connected to the upper surface of the base, a cutter arranged at the middle position of the upper surface of the workbench, a cleaning rod arranged at the front end of the upper surface of the workbench, and a brush fixedly connected to the lower surface of the cleaning rod. The above embodiment facilitates the cleaning and wiping of the upper surface of the workbench, effectively solving the problem of inconvenient cleaning of debris generated during the cutting process.

[0005] However, the device still has the following defects: When the cutting structure deviates, it cannot collect numerical values and give warnings, and continuous work can cause continuous damage to the door and window, thereby reducing the working effect of the door and window cutting. SUMMARY

[0006] In view of the above problems, the present application provides a door and window cutting device. The device comprises a top plate assembly, a cutting assembly installed on the bottom of the top plate assembly, two sets of adjusting assemblies symmetrically installed on the top plate assembly, two sets of buffer clamping assemblies symmetrically connected to each adjusting assembly, and one set of auxiliary protection assemblies installed on each buffer clamping assembly. The cutting assembly comprises a cutting structure, and the auxiliary protection assembly comprises two sets of sleeve pipes, one end of each third compression spring installed on the inner wall of the bottom of each sleeve pipe, one set of sliding rods installed on the other end of each third compression spring, one set of pressure sensors installed on the junction of each sliding rod and third compression spring, and one set of pressure plates installed on the top of each sliding rod. When the cutting structure deviates and cuts the pressure plate, the pressure plate will start to extrude the sliding rod due to the pressure.

[0007] Further, the top plate assembly comprises a working top plate, two groups of first fixing plates are symmetrically installed on the bottom of the working top plate, one group of first electric push rods is installed on one sidewall of each group of the first fixing plates, and one group of second fixing plates is installed on the output end of each group of the first electric push rods.

[0008] Further, the cutting assembly further comprises a first motor, the top of the first motor is installed on the bottom of the working top plate, a motor sliding table is in transmission connection with the output end of the first motor, a second electric push rod is in transmission connection with the output end of the motor sliding table, a second motor is installed on the output end of the second electric push rod, and the top of the cutting structure is in transmission connection with the output end of the second motor.

[0009] Further, the adjusting assembly comprises third fixing plates, the top of each group of the third fixing plates is installed on the bottom of one group of the second fixing plates, a group of sliding cavities are formed in the bottom of each group of the third fixing plates, and two groups of threaded rods are in rotation connection in each group of the sliding cavities.

[0010] Further, a group of sliding blocks are in threaded connection with each group of the threaded rods, a group of fixing tubes are installed on the bottom of each group of the sliding blocks, and a group of fourth motors are installed on the bottom of each group of the fixing tubes.

[0011] Further, the buffer clamping assembly comprises fourth fixing plates, the top of each group of the fourth fixing plates is in transmission connection with the output end of one group of the fourth motors, a group of sliding grooves are formed in the bottom of each group of the fourth fixing plates, a group of fixing blocks are installed on the bottom edge of each group of the fourth fixing plates, one end of a group of first compression springs is installed on one sidewall of each group of the fixing blocks, one group of clamping plates is installed on the other end of each group of the first compression springs, and each group of the clamping plates is in sliding connection in the sliding groove.

[0012] Further, the auxiliary protection assembly further comprises fifth fixing plates, one end of each group of the fifth fixing plates is installed on one sidewall of one group of the clamping plates, a group of sleeve sockets are installed on the top of each group of the fifth fixing plates, a group of sliding tubes are movably sleeved in each group of the sleeve sockets, and a group of abutting plates are installed on the top of each group of the sliding tubes.

[0013] Further, one end of two groups of second compression springs is symmetrically installed on the top edge of each group of the fifth fixing plates, and the other end of each group of the second compression springs is installed on the bottom of one group of the abutting plates.

[0014] Furthermore, a set of sixth fixing plates is installed on one side wall of each group of fifth fixing plates, a set of fifth motors is installed on the top of each group of sixth fixing plates, a set of transmission plates is connected to the output end of each group of fifth motors, a set of fourth electric push rods is installed on one side wall of each group of transmission plates, a set of first connecting plates is installed on the output end of each group of fourth electric push rods, two sets of fourth electric push rods are symmetrically installed on the two side walls of each group of first connecting plates, a set of second connecting plates is installed on the output end of each group of fourth electric push rods, the bottom of each group of sleeve tubes is installed on the top of one set of second connecting plates, a set of sleeve rings is sleeved on the outer wall of each group of sliding rods, a set of first distance sensors is installed on the outer wall of each set of sleeve rings, and a set of second distance sensors is installed on the corresponding side wall of the two sets of sleeve rings.

[0015] A method for operating a door and window cutting device, the method comprising: Start the top panel assembly for position adjustment; The adjustment component works in conjunction with the buffer clamping component to limit movement; Start the trimming component to perform trimming; When the cutting structure is offset and cuts into the pressure plate, the pressure plate will start to squeeze the sliding rod due to the pressure it feels; During the buffering process, the sliding rod begins to compress the third compression spring inside the sleeve. When the third compression spring senses the pressure, it applies a rebound force to the pressure sensor. During the compression process, the two sets of sensors may not be at the same height.

[0016] The beneficial effects of this invention are: 1. When the cutting structure is offset and cuts to the pressure-resistant plate, the pressure-resistant plate will feel the pressure and start to squeeze the sliding rod. During the buffering process, the sliding rod will start to squeeze the third compression spring in the sleeve. When the third compression spring feels the pressure, it will exert a rebound force on the pressure sensor, collect the value and issue an alarm. In addition, the pressure plate will cause the two sets of sensors to be unable to be at the same height distance during the compression process, which improves the multi-level alarm function of the structure, avoids secondary damage to doors and windows during cutting, improves the accuracy of door and window cutting, and improves the working effect of the device.

[0017] 2. The sliding tube slides within the sleeve, and the contact plate begins to compress the second compression spring. Then, the door or window to be cut is placed on the two sets of contact plates. The magnetic connection between the first and second electromagnetic blocks is then disengaged. After the second compression spring senses the pressure disappearing, it rebounds, causing the contact plate to compress the door or window. Then, it disengages from pushing the clamping plate. After the first compression spring senses the pressure disappearing, it causes the clamping plate to elastically limit the door or window, giving the clamping a buffering effect. This improves the wrapping and limiting effect while also enhancing the ease of assembly and disassembly.

[0018] 3. When dealing with irregular doors and windows, the third motor is activated to drive the threaded rod to rotate. As the threaded rod rotates, it drives two sets of sliding blocks to slide within the sliding cavity. While the sliding blocks are sliding, they drive two sets of fourth fixing plates to adjust their positions. Then, the fourth motor is activated according to the shape of the door or window. The fourth motor drives the fourth fixing plate to rotate. After the fourth fixing plate rotates to the specified angle, it limits the irregular door or window. This improves the compatibility of the limit and enhances the working effect of the auxiliary limit.

[0019] 4. Activate the second electric push rod to push the cutting structure to cut the doors and windows. In order to increase the cutting range, the electric slide can be activated to drive the cutting structure to move and cut horizontally. To expand the cutting range, the first motor is activated to drive the cutting structure to rotate, which increases the cutting range of the device. Before cutting, activate the fourth electric push rod to push the two sets of anti-compression plates to move below the cutting structure and avoid the output end range of the cutting structure, which improves the passive support stability of the structure.

[0020] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures pointed out in the description, claims and drawings. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the door and window cutting device according to an embodiment of the present invention is shown; Figure 2 A schematic diagram of the adjustment component structure according to an embodiment of the present invention is shown; Figure 3 A schematic diagram of the top plate assembly structure according to an embodiment of the present invention is shown; Figure 4 A schematic diagram of the cutting component structure according to an embodiment of the present invention is shown; Figure 5 A cross-sectional schematic diagram of the adjustment component according to an embodiment of the present invention is shown; Figure 6 A schematic diagram of the buffer clamping assembly structure according to an embodiment of the present invention is shown; Figure 7 A schematic diagram of the fifth fixing plate structure according to an embodiment of the present invention is shown; Figure 8 A schematic diagram of a sleeve structure according to an embodiment of the present invention is shown; Figure 9 A schematic cross-sectional view of the sleeve according to an embodiment of the present invention is shown.

[0023] In the diagram: 1. Top plate assembly; 101. Working top plate; 102. First fixed plate; 103. First electric push rod; 104. Second fixed plate; 2. Cutting assembly; 201. First motor; 202. Electric slide table; 203. Second electric push rod; 204. Second motor; 205. Cutting structure; 3. Adjustment assembly; 301. Third fixed plate; 302. Threaded rod; 303. Slide cavity; 304. Sliding block; 305. Fixed tube; 306. Third motor; 307. Fourth motor; 4. Buffer clamping assembly; 401. Fourth fixed plate; 402. Slide groove; 403. Fixed block; 404. First compression spring; 405. Clamping plate; 5. Auxiliary Protective components; 501, Fifth fixing plate; 502, Sleeve sleeve; 503, Sliding tube; 504, Contact plate; 505, Second compression spring; 506, Third electric push rod; 507, First electromagnetic block; 508, Second electromagnetic block; 509, Sixth fixing plate; 510, Fifth motor; 511, Transmission plate; 512, Fourth electric push rod; 513, First connecting plate; 514, Fourth electric push rod; 515, Second connecting plate; 516, Sleeve tube; 517, Third compression spring; 518, Sliding rod; 519, Pressure sensor; 520, Pressure-resistant plate; 521, Sleeve ring; 522, First distance sensor; 523, Second distance sensor. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] This invention provides a door and window cutting device. It includes a top plate assembly 1, exemplarily, such as... Figure 1 and Figure 2 As shown, a cutting component 2 is installed on the bottom of the top plate assembly 1, and two sets of adjusting components 3 are symmetrically installed on the top plate assembly 1. Each set of adjusting components 3 is symmetrically connected to two sets of buffer clamping components 4, and each set of buffer clamping components 4 is equipped with a set of auxiliary protection components 5.

[0026] For example, such as Figure 3 As shown, the top plate assembly 1 includes a working top plate 101. Two sets of first fixing plates 102 are symmetrically installed on the bottom of the working top plate 101. A set of first electric push rods 103 are installed on one side wall of each set of first fixing plates 102. A set of second fixing plates 104 are installed on the output end of each set of first electric push rods 103.

[0027] For example, such as Figure 4 As shown, the cutting assembly 2 includes a first motor 201, the top of the first motor 201 is mounted on the bottom of the working top plate 101, an electric slide table 202 is driven to the output end of the first motor 201, a second electric push rod 203 is driven to the output end of the electric slide table 202, a second motor 204 is mounted on the output end of the second electric push rod 203, and a cutting structure 205 is driven to the output end of the second motor 204.

[0028] The second electric push rod 203 is activated to push the cutting structure 205 to cut the doors and windows. In order to increase the cutting range, the electric slide table 202 can be activated to drive the cutting structure 205 to perform translational cutting. To expand the cutting range, the first motor 201 is activated to drive the cutting structure 205 to rotate, thereby increasing the cutting range of the device.

[0029] For example, such as Figure 5As shown, the adjustment assembly 3 includes a third fixing plate 301. The top of each set of third fixing plates 301 is mounted on the bottom of one set of second fixing plates 104. Each set of third fixing plates 301 has a set of sliding cavities 303 at its bottom. Two sets of threaded rods 302 are rotatably connected in each set of sliding cavities 303. The two sets of threaded rods 302 have opposite thread directions and their central axes are on the same straight line. A partition block is connected between the two sets of threaded rods 302. Each set of threaded rods 302 is threadedly connected to a set of sliding blocks 304. Each set of sliding blocks 304 is slidably connected in the sliding cavity 303. A set of fixing tubes 305 is installed on the bottom of each set of sliding blocks 304. A set of fourth motors 307 is installed on the bottom of each set of fixing tubes 305. A set of third motors 306 is installed on the inner wall of each set of third fixing plates 301. The output end of each set of third motors 306 is drivenly connected to one set of threaded rods 302.

[0030] When dealing with irregular doors and windows, the third motor 306 is activated to drive the threaded rod 302 to rotate. As the threaded rod 302 rotates, it drives two sets of sliding blocks 304 to slide within the sliding cavity 303. While the sliding blocks 304 are sliding, they drive two sets of fourth fixing plates 401 to adjust their positions. Then, according to the shape of the door and window, the fourth motor 307 is activated. The fourth motor 307 drives the fourth fixing plate 401 to rotate. After the fourth fixing plate 401 rotates to the specified angle, it limits the irregular door and window, improving the compatibility of the limiting function and the working effect of the auxiliary limiting function.

[0031] For example, such as Figure 6 As shown, the buffer clamping assembly 4 includes a fourth fixing plate 401. The top of each set of fourth fixing plates 401 is drivenly connected to the output end of one set of fourth motors 307. A set of sliding grooves 402 is provided on the bottom of each set of fourth fixing plates 401. A set of fixing blocks 403 is installed on the bottom edge of each set of fourth fixing plates 401. One end of a set of first compression springs 404 is installed on one side wall of each set of fixing blocks 403. A set of clamping plates 405 is installed on the other end of each set of first compression springs 404. Each set of clamping plates 405 is slidably connected in the sliding grooves 402.

[0032] For example, such as Figure 7 , Figure 8 and Figure 9As shown, the auxiliary protective assembly 5 includes a fifth fixing plate 501. One end of each fifth fixing plate 501 is mounted on one side wall of one set of clamping plates 405. A set of sleeves 502 is mounted on the top of each fifth fixing plate 501. A set of sliding tubes 503 is movably fitted inside each set of sleeves 502. A set of abutment plates 504 is mounted on the top of each set of sliding tubes 503. Two sets of second compression springs 505 are symmetrically mounted at one end on the top edge of each fifth fixing plate 501. The other end of each set of second compression springs 505 is mounted on one set of abutment plates 504. At the bottom of 4, a set of third electric push rods 506 are installed on one side wall of each group of fifth fixing plates 501. A set of first electromagnetic blocks 507 are installed on the output end of each set of third electric push rods 506. A set of second electromagnetic blocks 508 are installed on one side wall of each group of contact plates 504. The first electromagnetic blocks 507 and the second electromagnetic blocks 508 are magnetically connected. A set of sixth fixing plates 509 are installed on one side wall of each group of fifth fixing plates 501. A set of fifth motors 510 are installed on the top of each set of sixth fixing plates 509. A drive connection is made to the output end of each set of fifth motors 510. Each transmission plate 511 has a set of fourth electric push rods 512 mounted on one side wall. Each set of fourth electric push rods 512 has a set of first connecting plates 513 mounted on its output end. Each set of first connecting plates 513 has two sets of fourth electric push rods 514 symmetrically mounted on its two side walls. Each set of fourth electric push rods 514 has a set of second connecting plates 515 mounted on its output end. Each set of second connecting plates 515 has a set of sleeve pipes 516 mounted on its top. Each set of sleeve pipes 516 has one end of a set of third compression springs 517 mounted on its bottom inner wall. A set of sliding rods 518 is installed on the other end of each compression spring 517. Each set of sliding rods 518 is slidably connected inside the sleeve tube 516. A set of pressure sensors 519 is installed at the junction of each set of sliding rods 518 and the third compression spring 517. A set of anti-pressure plates 520 is installed on the top of each set of sliding rods 518. A set of sleeve rings 521 is sleeved on the outer wall of each set of sliding rods 518. A set of first distance sensors 522 is installed on the outer wall of each set of sleeve rings 521. A set of second distance sensors 523 is installed on the corresponding side wall of each of the two sets of sleeve rings 521.

[0033] Before operation, the door and window cutting device first activates the first electric push rod 103 to move the second fixing plate 104 to a designated position. Then, it pushes the clamping plate 405 to slide within the slide groove 402 towards the fixing block 403. During this sliding process, the clamping plate 405 compresses the first compression spring 404. Simultaneously, the third electric push rod 506 activates to magnetically connect the first electromagnetic block 507 and the second electromagnetic block 508. This then moves the contact plate 504 towards the fifth fixing plate 501, causing the sliding tube 503 to slide within the sleeve 502. The contact plate 504 begins to compress the second compression spring 505. Then, the door and window to be cut are placed on the two sets of contact plates 504. The magnetic connection between the first electromagnetic block 507 and the second electromagnetic block 508 is then released. After the second compression spring 505 senses the pressure disappearing, it begins to rebound, causing the contact plate 504 to compress the door and window. Then, it releases the push on the clamping plate 405. After the first compression spring 404 senses the pressure disappearing, it causes the clamping plate 405 to elastically limit the door and window, so that the clamping has a buffering effect, which improves the wrapping and limiting effect while improving the convenience of disassembly and assembly.

[0034] Before cutting, the fourth electric push rod 514 is activated to move the two sets of pressure-resistant plates 520 below the cutting structure 205, avoiding the output end range of the cutting structure. For irregular doors and windows, the fifth motor 510 is activated to rotate the transmission plate 511. Simultaneously, the transmission plate 511 rotates, causing the two sets of pressure-resistant plates 520 to remain parallel and abut against the bottom of the door or window. Then, during the translational movement of the cutting structure 205, the fourth electric push rod 512 is activated to move the pressure-resistant plates 520 synchronously. When the cutting structure 205 cuts into the pressure-resistant plates due to offset, the pressure-resistant plates... When the pressure plate 520 senses pressure, it begins to squeeze the sliding rod 518. During the buffering process, the sliding rod 518 begins to squeeze the third compression spring 517 inside the sleeve 516. When the third compression spring 517 senses pressure, it applies a rebound force to the pressure sensor 519, collects values ​​for alarm purposes, and the compression of the pressure plate 520 causes the two sets of sensors to be out of sync, thus improving the multi-layered alarm function of the structure, avoiding secondary damage during door and window cutting, improving the accuracy of door and window cutting, and enhancing the working efficiency of the device.

[0035] When the cutting structure 205 cuts to the pressure-resistant plate due to offset, the pressure-resistant plate 520 will start to squeeze the sliding rod 518 due to the pressure. During the buffering process, the sliding rod 518 starts to squeeze the third compression spring 517 in the sleeve 516. When the third compression spring 517 senses the pressure, it will exert a rebound force on the pressure sensor 519, collect values ​​for alarm. In addition, the compression of the pressure plate 520 will cause the two sets of sensors to be unable to be at the same height distance, which improves the multi-layer alarm function of the structure, avoids secondary damage to the door and window cutting, improves the cutting accuracy of the door and window, and improves the working efficiency of the device.

[0036] The sliding tube 503 slides within the sleeve 502, and the contact plate 504 begins to compress the second compression spring 505. The door or window to be cut is then placed on the two sets of contact plates 504. The magnetic connection between the first electromagnetic block 507 and the second electromagnetic block 508 is then disengaged. After the second compression spring 505 senses the pressure disappearing, it begins to rebound, causing the contact plate 504 to compress the door or window. Then, it disengages from pushing the clamping plate 405. After the first compression spring 404 senses the pressure disappearing, it causes the clamping plate 405 to elastically limit the door or window, giving the clamping a buffering effect. This improves the wrapping and limiting effect while also enhancing the ease of assembly and disassembly.

[0037] When dealing with irregular doors and windows, the third motor 306 is activated to drive the threaded rod 302 to rotate. As the threaded rod 302 rotates, it drives two sets of sliding blocks 304 to slide within the sliding cavity 303. While the sliding blocks 304 are sliding, they drive two sets of fourth fixing plates 401 to adjust their positions. Then, according to the shape of the door and window, the fourth motor 307 is activated. The fourth motor 307 drives the fourth fixing plate 401 to rotate. After the fourth fixing plate 401 rotates to the specified angle, it limits the irregular door and window, improving the compatibility of the limiting function and the working effect of the auxiliary limiting function.

[0038] The second electric push rod 203 is activated to push the cutting structure 205 to cut the doors and windows. In order to increase the cutting range, the electric slide table 202 can be activated to drive the cutting structure 205 to perform translational cutting. To expand the cutting range, the first motor 201 is activated to drive the cutting structure 205 to rotate, which increases the cutting range of the device. Before cutting, the fourth electric push rod 514 is activated to push the two sets of anti-compression plates 520 to move below the cutting structure 205 and avoid the output end range of the cutting structure, which improves the passive support stability of the structure.

[0039] Based on the aforementioned door and window cutting device, this invention also proposes a method for operating the door and window cutting device. For example, the method includes: Start the top panel assembly for position adjustment; The adjustment component works in conjunction with the buffer clamping component to limit movement; Start the trimming component to perform trimming; When the cutting structure is offset and cuts into the pressure plate, the pressure plate will start to squeeze the sliding rod due to the pressure it feels; During the buffering process, the sliding rod begins to compress the third compression spring inside the sleeve. When the third compression spring senses the pressure, it applies a rebound force to the pressure sensor. During the compression process, the two sets of sensors may not be at the same height.

[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A door and window cutting device, comprising a top plate assembly, characterized in that: A cutting component is installed on the bottom of the top plate assembly. Two sets of adjustment components are symmetrically installed on the top plate assembly. Two sets of buffer clamping components are symmetrically connected to each set of adjustment components. A set of auxiliary protection components is installed on each set of buffer clamping components. The cutting assembly includes a cutting structure; the auxiliary protection assembly includes two sets of sleeves, each set of sleeves has a third compression spring installed on one end of its bottom inner wall, each set of third compression springs has a sliding rod installed on the other end of its other end, each set of sliding rods has a pressure sensor installed at the junction of its joint with the third compression spring, and each set of sliding rods has a pressure-resistant plate installed on its top. When the cutting structure is offset and cuts into the pressure plate, the pressure plate will start to squeeze the sliding rod due to the pressure it feels; The top plate assembly includes a working top plate, on the bottom of which two sets of first fixing plates are symmetrically installed. Each set of first fixing plates has a set of first electric push rods installed on one side wall, and each set of first electric push rods has a set of second fixing plates installed on the output end. The adjustment assembly includes a third fixing plate. The top of each set of third fixing plates is mounted on the bottom of one set of second fixing plates. Each set of third fixing plates has a set of sliding cavities at its bottom. Two sets of threaded rods are rotatably connected inside each set of sliding cavities. Each set of threaded rods is threadedly connected to a set of sliding blocks, each set of sliding blocks is mounted on the bottom of a set of fixed tubes, each set of fixed tubes is mounted on the bottom of a set of fourth motors, each set of third fixed plates is mounted on the inner wall of a set of third motors, and the output end of each set of third motors is drivenly connected to one set of threaded rods. The buffer clamping assembly includes a fourth fixing plate. The top of each set of fourth fixing plates is driven to the output end of one set of fourth motors. A set of sliding grooves is opened on the bottom of each set of fourth fixing plates. A set of fixing blocks is installed on the bottom edge of each set of fourth fixing plates. One end of a set of first compression springs is installed on one side wall of each set of fixing blocks. A set of clamping plates is installed on the other end of each set of first compression springs. Each set of clamping plates is slidably connected in the sliding groove. The auxiliary protection assembly also includes a fifth fixing plate. One end of each group of fifth fixing plates is installed on one side wall of one group of clamping plates. A set of sleeves is installed on the top of each group of fifth fixing plates. A set of sliding tubes is movably sleeved inside each set of sleeves. A set of abutment plates is installed on the top of each set of sliding tubes. A set of sixth fixing plates is installed on one side wall of each group of fifth fixing plates. A set of fifth motors is installed on the top of each group of sixth fixing plates. A set of transmission plates is connected to the output end of each group of fifth motors. A set of fourth electric push rods is installed on one side wall of each group of transmission plates. A set of first connecting plates is installed on the output end of each group of fourth electric push rods. Two sets of fourth electric push rods are symmetrically installed on the two side walls of each group of first connecting plates. A set of second connecting plates is installed on the output end of each group of fourth electric push rods. The bottom of each set of sleeve tubes is installed on the top of one set of second connecting plates. A set of sleeve rings is sleeved on the outer wall of each set of sliding rods. A set of first distance sensors is installed on the outer wall of each set of sleeve rings. A set of second distance sensors is installed on the corresponding side wall of the two sets of sleeve rings.

2. The door and window cutting device according to claim 1, characterized in that: The cutting assembly also includes a first motor, the top of which is mounted on the bottom of the working top plate. An electric slide is driven to the output end of the first motor, and a second electric push rod is driven to the output end of the electric slide. A second motor is mounted on the output end of the second electric push rod, and the top of the cutting structure is driven to the output end of the second motor.

3. The door and window cutting device according to claim 1, characterized in that: Two sets of second compression springs are symmetrically installed at the top edge of each group of fifth fixing plates, and the other end of each set of second compression springs is installed on the bottom of one of the abutment plates.

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