Aluminum door and window processing track double table saw

Abstract

This utility model discloses a double table saw with a track for processing aluminum doors and windows. The utility model includes a main unit base and a cutting assembly. The cutting assembly is slidably connected to the top of the main unit base. The cutting assembly includes an opening mounting plate. A first set of grooves is formed on the upper surface of the opening mounting plate. A first set of electric sliders is slidably disposed inside the first set of grooves. A first set of mounting plates is fixedly connected to the top of the first set of electric sliders. Two cutting mounting seats are fixedly connected to the top of the first set of mounting plates. Through the adjustment of the blade holder spacing by the first set of electric sliders in the cutting assembly, the cutting blades being driven by a drive motor, the adjustment of the mounting plate position by the second set of electric sliders in the support assembly, the lifting and lowering control of the gantry by a vertically mounted hydraulic cylinder, and the clamping of doors and windows by an electric push rod in cooperation with the guide rail and clamping plate, the device achieves the purpose of easily adjusting the clamping size and precisely controlling the lifting and lowering of the cutting of doors and windows.

Description

Technical Field

[0001] This utility model relates to the field of track double-table saw technology, and in particular to a track double-table saw for processing aluminum doors and windows. Background Technology

[0002] In the production of aluminum doors and windows, aluminum profile cutting is a crucial step. Traditional single-table sawing is inefficient and cannot meet the ever-increasing production demands. Double-table saws, however, can cut aluminum profiles simultaneously at both stations, significantly improving efficiency. However, some existing double-table saws have several problems, such as the need for manual removal of the aluminum material after cutting, which is labor-intensive and inefficient; the lack of an effective waste collection mechanism leads to a messy working environment and inconvenient cleaning; and the need to improve the flexibility of adjusting cutting size and angle, making it difficult to meet the diverse processing needs of doors and windows.

[0003] Publication number CN220970956U discloses a double-track table saw for processing aluminum doors and windows, including a first saw, a connecting block fixedly connected to one side of the first saw, a first cylinder fixedly connected to one side of the connecting block, a lifting platform fixedly connected to the output end of the first cylinder, a motor fixedly connected to one side of the lifting platform, and a lead screw fixedly connected to the output end of the motor. This utility model has the following advantages and effects: After the aluminum parts for doors and windows are cut, the worker starts the first cylinder, and the output end of the first cylinder pushes the lifting platform upward, raising the clamp above the sides of the aluminum parts. Then, the second cylinder is started, and the output end of the second cylinder retracts and pulls the pull rod, pulling the rod towards the bottom of the storage box, causing the clamp to rotate on the connecting seat, reducing the included angle, and the clamp retracts to clamp the aluminum parts. Then, the motor on the lifting platform is started, and the output end of the motor drives the lead screw to rotate. However, this does not solve the problem of easily adjusting the size of the clamp and accurately controlling the lifting and lowering of the cutting of doors and windows. Therefore, we propose a double-track table saw for processing aluminum doors and windows. Utility Model Content

[0004] The purpose of this utility model is to provide a double table saw with a track for processing aluminum doors and windows.

[0005] To achieve the aforementioned goal of facilitating easy adjustment of clamping size and precise control of lifting for cutting doors and windows, this utility model provides a double table saw with an aluminum door and window processing track, including a main unit base and a cutting assembly. The cutting assembly is slidably connected to the top of the main unit base. The cutting assembly includes an opening mounting plate. A first set of sliding grooves is opened on the upper surface of the opening mounting plate. A first set of electric sliders is slidably arranged inside the first set of sliding grooves. A first set of mounting plates is fixedly connected to the top of the first set of electric sliders. Two cutting mounting seats are fixedly connected to the top of the first set of mounting plates. Support assemblies are fixedly connected to both sides of the first set of sliding grooves.

[0006] The support assembly includes a second set of sliding grooves, which are formed on the left and right sides of the first set of sliding grooves on the upper surface of the mounting plate. A second set of electric sliders is slidably arranged inside the second set of sliding grooves. The top of the second set of electric sliders is fixedly connected to the top of the second set of electric sliders, and the top of each of the second set of electric sliders is fixedly connected to the second set of mounting plates. A first mounting shell is fixedly connected to the top of the mounting plate on one side of the upper surface of the second set of mounting plates.

[0007] The first and second mounting shells each have two vertically mounted hydraulic cylinders fixedly connected inside. The tops of the two vertically mounted hydraulic cylinders each have two lifting mounting plates fixedly connected to them. The tops of the two lifting mounting plates each have two gantry frames fixedly connected to them.

[0008] By setting a speed regulating valve on the hydraulic cylinder to adjust the hydraulic oil flow, the lifting speed of the lifting mounting plate can be flexibly controlled to adapt to different processing rhythms.

[0009] Two sets of electric push rods are fixedly connected to both sides of the inner wall of the two gantry frames, and two sets of guide rails are fixedly connected to the upper surface of the inner wall of the two gantry frames and the two lifting mounting plates perpendicular to the inner wall of the gantry frames.

[0010] By applying a wear-resistant coating to the surface of the guide rail, frictional loss between the limit slider and the guide rail is reduced, thereby extending the service life of the guide rail and the limit slider and reducing equipment maintenance costs.

[0011] Each of the two sets of guide rails has two sets of limiting sliders slidably connected inside, and each of the two sets of limiting sliders has two sets of clamping frames fixedly connected in the middle, with anti-slip pads fixedly connected to the inner walls of each of the two sets of clamping frames.

[0012] By adding a flexible buffer layer to the clamping frame, the buffer layer deforms when clamping doors and windows, thus protecting the surface of the doors and windows and preventing damage to the surface during the clamping process.

[0013] The first mounting shell has multiple positioning holes on one side of its shell wall relative to the second mounting shell, and a U-shaped support frame is fixedly connected to the other side of its shell relative to the second mounting shell by a group of positioning bolts.

[0014] By setting an elastic bushing inside the positioning hole, the elastic bushing undergoes elastic deformation when the positioning bolt is installed, thereby achieving fine adjustment and buffering of the installation position of the U-shaped support frame, and improving the installation stability and reliability of the U-shaped support frame.

[0015] The cutting assembly further includes two drive motors located inside two cutting mounting bases. The output ends of the two drive motors are rotatably connected to two sets of rotating shafts via connectors. Two mounting columns are connected to the middle of each set of rotating shafts, and two sets of cutting blades are fixedly connected to the surface of each of the two mounting columns.

[0016] By installing a torque stabilizer between the drive motor and the rotating shaft, the torque output can be adjusted in real time, thereby maintaining a stable cutting force on the cutting blade during the cutting process, thus improving cutting accuracy and blade life.

[0017] The main unit base and the upper surface of the first set of sliding grooves with mounting plates are both provided with square holes. A through hole is provided on one side of the main unit base, and a collection drawer is slidably connected inside the through hole. A controller is fixedly connected to the surface of the main unit base.

[0018] By installing a sealing strip at the contact point between the collection drawer and the insertion hole, leakage of waste and liquid from the gap between the collection drawer and the main unit base is prevented, thus maintaining a clean working environment.

[0019] This utility model produces a high-quality die-casting edge-cutting mold for aluminum door and window processing track double table saws. Regarding the cutting assembly, firstly, by creating a first set of grooves on the upper surface of the mounting plate and a first set of electric sliders sliding within these grooves, the lateral spacing of the cutting blade holders at the top of the mounting plate can be adjusted. This design allows the cutting assembly to adapt to the processing needs of aluminum doors and windows of different widths. Simultaneously, two drive motors are installed inside the cutting mounting base, and their output ends are rotatably connected to two sets of rotating shafts via connectors. Two sets of cutting blades are fixed to the surface of the mounting column in the middle of the rotating shafts. The operation of the drive motors drives the rotating shafts, mounting shafts, and cutting blades to rotate at high speed, achieving the cutting operation of the aluminum doors and windows.

[0020] In the support assembly, a second set of sliding grooves is formed on the left and right sides of the first set of sliding grooves on the mounting plate. A second set of electric sliders slides within these grooves, thereby moving the top second set of mounting plates. On the second set of mounting plates, a first mounting shell is fixed to one side, and a second mounting shell is fixed to the other side. Inside both the first and second mounting shells, two vertically mounted hydraulic cylinders are connected. The tops of these hydraulic cylinders are connected to a lifting mounting plate, which in turn is connected to a gantry frame. The extension and retraction of the vertically mounted hydraulic cylinders allows for the lifting and lowering of the gantry frame to meet different processing height requirements.

[0021] Two sets of electric push rods connected to both sides of the inner wall of the gantry frame, and two sets of guide rails connected to the upper surface of the inner wall of the gantry frame and the corresponding positions of the lifting mounting plate, work together with the limiting sliders that slide within the guide rails and the clamping frame connected in the middle of the limiting sliders to clamp the aluminum doors and windows. The extension and retraction of the electric push rods can adjust the position of the clamping plate, and the anti-slip pads on the inner wall of the clamping frame ensure the stability of the clamping. In addition, the first mounting shell is fixedly connected to the U-shaped support frame on one side relative to the second mounting shell by a set of positioning bolts. This U-shaped support frame can prevent the doors and windows from falling off during processing.

[0022] In summary, by adjusting the blade holder spacing using the first set of electric sliders in the cutting assembly, driving the cutting blades with the drive motor, adjusting the mounting plate position using the second set of electric sliders in the support assembly, controlling the lifting and lowering of the gantry using the vertically mounted hydraulic cylinder, and clamping the doors and windows using the electric push rod in conjunction with the guide rail and clamping plate, the device achieves the purpose of facilitating free adjustment of clamping size and precise control of lifting and lowering when cutting doors and windows.

[0023] This utility model produces a high-quality die-casting edge-cutting mold for a double-table saw track used in aluminum door and window processing. The main unit base and the upper surface of the first set of sliding grooves on the mounting plate both have square holes. A through hole is provided on one side of the main unit base, allowing the collection drawer to slide within it. During the cutting of aluminum doors and windows, waste materials and processing wastewater fall directly into the collection drawer below through the square holes in the main unit base and the mounting plate.

[0024] A controller is fixedly connected to the base of the main unit, and this controller has multiple control functions. On the one hand, it can precisely control the various movements of the cutting and supporting components, such as controlling the first set of electric sliders to slide within the first set of grooves to adjust the spacing of the cutting blade holders, controlling the drive motor to rotate the cutting blades to achieve cutting, controlling the extension and retraction of the vertically mounted hydraulic cylinder to raise and lower the gantry, and controlling the electric push rod to adjust the position of the clamping plate. On the other hand, although the controller is not directly mechanically connected to the collection drawer, its control over the entire processing flow indirectly ensures that waste material can smoothly fall into the collection drawer through the square holes.

[0025] In summary, the waste material is guided to fall through the square holes on the main unit base and the mounting plate, and the waste material is collected by the interlocking holes on the main unit base and the collection drawer. The entire processing process is then fully controlled by the controller on the surface of the main unit base, thus achieving the purpose of facilitating waste material collection and control.

[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Attached Figure Description

[0027] Figure 1This is a schematic diagram of the structure of a double-table saw for processing aluminum doors and windows according to an embodiment of this utility model.

[0028] Figure 2 This is a three-dimensional structural diagram of the internal structure of the first set of sliding grooves and the second set of sliding grooves on the top of the mounting plate according to an embodiment of the present invention.

[0029] Figure 3 This is a three-dimensional structural diagram of the top of the first set of mounting plates in an embodiment of this utility model.

[0030] Figure 4 This is a schematic diagram of the top three-dimensional structure of the second mounting plate according to an embodiment of this utility model.

[0031] 1. Main unit base; 2. Cutting assembly; 201. Mounting plate; 202. First set of slide rails; 203. First set of electric sliders; 205. First set of mounting plates; 206. Cutting mounting base; 3. Support assembly; 301. Second set of slide rails; 302. Second set of electric sliders; 303. Second set of mounting plates; 304. First mounting shell; 305. Second mounting shell; 306. Vertically mounted hydraulic cylinder; 307. Lifting mounting plate. 308. Plate; 309. Gantry frame; 310. Electric push rod; 311. Guide rail; 312. Limit slider; 313. Clamping frame; 314. Anti-slip pad; 315. Positioning hole; 316. Positioning bolt group; 317. U-shaped support frame; 208. Drive motor; 209. Connector; 210. Rotating shaft; 211. Mounting column; 212. Cutting blade; 4. Square hole; 5. Through hole; 6. Collection drawer; 7. Controller. Detailed Implementation

[0032] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0033] refer to Figures 1 to 4 A double table saw for processing aluminum doors and windows includes a main base 1 and a cutting assembly 2. The cutting assembly 2 is slidably connected to the top of the main base 1. The cutting assembly 2 includes an opening mounting plate 201. A first set of sliding grooves 202 is opened on the upper surface of the opening mounting plate 201. A first set of electric sliders 203 is slidably arranged inside the first set of sliding grooves 202. A first set of mounting plates 205 is fixedly connected to the top of the first set of electric sliders 203. Two cutting mounting seats 206 are fixedly connected to the top of the first set of mounting plates 205. Support assemblies 3 are fixedly connected to both sides of the first set of sliding grooves 202.

[0034] The support component 3 includes a second set of slide grooves 301. The second set of slide grooves 301 are opened on the left and right sides of the first set of slide grooves 202 on the upper surface of the mounting plate 201. A second set of electric sliders 302 are slidably arranged inside the second set of slide grooves 301. A second set of mounting plates 303 are fixedly connected to the top of the second set of electric sliders 302. A first mounting shell 304 is fixedly connected to the top of the mounting plate on one side of the upper surface of the second set of mounting plates 303, and a second mounting shell 305 is fixedly connected to the top of the mounting plate on the other side.

[0035] Two vertically mounted hydraulic cylinders 306 are fixedly connected inside the first mounting shell 304 and the second mounting shell 305. Two lifting mounting plates 307 are fixedly connected to the top of the two vertically mounted hydraulic cylinders 306. Two gantry frames 308 are fixedly connected to the top of the two lifting mounting plates 307.

[0036] Two sets of electric push rods 309 are fixedly connected to both sides of the inner wall of the two gantry frames 308. Two sets of guide rails 310 are fixedly connected to the upper surface of the inner wall of the two gantry frames 308 and the two lifting mounting plates 307 perpendicular to both sides of the inner wall of the gantry frames 308.

[0037] Both sets of guide rails 310 have two sets of limiting sliders 311 slidably connected inside. Both sets of limiting sliders 311 have two sets of clamping frames 312 fixedly connected in the middle. Both sets of clamping frames 312 have anti-slip pads 313 fixedly connected to their inner walls.

[0038] The first mounting shell 304 has multiple positioning holes 314 on one side of its shell wall relative to the second mounting shell 305, and a U-shaped support frame 316 is fixedly connected to the other side of its shell relative to the second mounting shell 305 by a group of positioning bolts 315.

[0039] The cutting assembly 2 also includes two drive motors 207, which are located inside two cutting mounting bases 206. The output ends of the two drive motors 207 are rotatably connected to two sets of rotating shafts 209 via connectors 208. Two mounting columns 210 are connected to the middle of each set of rotating shafts 209, and two sets of cutting blades 211 are fixedly connected to the surface of each of the two mounting columns 210.

[0040] In this embodiment, regarding the cutting assembly 2, the lateral spacing of the cutting blade holders at the top of the first set of mounting plates 205 is adjusted by first set of grooves 202 provided on the upper surface of the mounting plate 201 and first set of electric sliders 203 sliding within the grooves. This design allows the cutting assembly 2 to adapt to the processing needs of aluminum doors and windows of different widths. Simultaneously, two drive motors 207 are installed inside the cutting mounting base 206, and their output ends are rotatably connected to two sets of rotating shafts 209 via connectors 208. Two sets of cutting blades 211 are fixed to the surface of the mounting column 210 in the middle of the rotating shafts 209. The operation of the drive motors 207 drives the rotating shafts 209, mounting column 210, and cutting blades 211 to rotate at high speed, thereby achieving the cutting operation of the aluminum doors and windows.

[0041] The support assembly consists of three parts. A second set of sliding grooves 301 are formed on the left and right sides of the first set of sliding grooves 202 on the mounting plate 201. A second set of electric sliders 302 slides within the second set of sliding grooves 301, thereby moving the top second set of mounting plates 303. A first mounting shell 304 is fixed to one side of the second set of mounting plates 303, and a second mounting shell 305 is fixed to the other side. Inside both the first and second mounting shells 304 and 305, two vertically mounted hydraulic cylinders 306 are connected. The top of each hydraulic cylinder is connected to a lifting mounting plate 307, and the top of the lifting mounting plate 307 is connected to a gantry frame 308. The gantry frame 308 is raised and lowered by the extension and retraction of the vertically mounted hydraulic cylinders 306 to meet processing requirements at different heights.

[0042] Two sets of electric push rods 309 connected to both sides of the inner wall of the gantry frame 308, and two sets of guide rails 310 connected to the upper surface of the inner wall of the gantry frame 308 and the corresponding positions of the lifting mounting plate 307, together with the limiting sliders 311 sliding inside the guide rails 310 and the clamping frame 312 connected in the middle of the limiting sliders 311, achieve clamping of aluminum doors and windows. The extension and retraction of the electric push rods 309 can adjust the position of the clamping plate, and the anti-slip pads 313 on the inner wall of the clamping frame 312 ensure the stability of clamping. In addition, the first mounting shell 304 is fixedly connected to the U-shaped support frame 316 on one side relative to the second mounting shell 305 by a set of positioning bolts 315. The U-shaped support frame 316 can prevent the doors and windows from falling off during processing.

[0043] Square holes 4 are provided on the upper surface of the first set of slide grooves 202 of the main unit base 1 and the mounting plate. A through hole 5 is provided on one side of the main unit base. A collection drawer 6 is slidably connected inside the through hole 5. A controller 7 is fixedly connected to the surface of the main unit base 1.

[0044] In this embodiment, square holes 4 are provided on the upper surface of the first set of slide grooves 202 in the middle of the main unit base 1 and the mounting plate 201. A through hole 5 is provided on one side of the main unit base, and the collection drawer 6 can slide within the through hole 5. When aluminum doors and windows are cut, the waste materials and processing wastewater generated fall directly into the collection drawer 6 below through the square holes 4 on the main unit base 1 and the mounting plate 201.

[0045] refer to Figure 1 and Figure 2 A controller 7 is fixedly connected to the surface of the main unit base 1. This controller 7 has multiple control functions. On the one hand, it can precisely control the various movements of the cutting component 2 and the support component 3, such as controlling the first set of electric sliders 203 to slide within the first set of slide grooves 202 to adjust the spacing of the cutting blade holder, controlling the drive motor 207 to drive the cutting blade 211 to operate and achieve cutting, controlling the extension and retraction of the vertically mounted hydraulic cylinder 306 to raise and lower the gantry 308, and controlling the electric push rod 309 to adjust the position of the clamping plate, etc. On the other hand, although the controller 7 is not directly mechanically connected to the collection drawer 6, its control over the entire processing flow indirectly ensures that the waste material can smoothly fall into the collection drawer 6 through the square hole 4.

[0046] Working principle: Before processing aluminum doors and windows, the spacing of the cutting components 2 needs to be adjusted first. The user controls the first set of electric sliders 203 to move within the first set of slide grooves 202, thereby adjusting the lateral spacing of the top blade holder of the first set of mounting plates 205, in preparation for subsequent cutting of doors and windows of different sizes.

[0047] After the lateral spacing of the tool holder is adjusted, the second set of electric sliders 302 are controlled to move within the second set of slide grooves 301, thereby driving the second set of mounting plates 303 to adjust their position and further optimize the machining layout.

[0048] Subsequently, the vertically mounted hydraulic cylinders 306 inside the first mounting housing 304 and the second mounting housing 305 are activated. The hydraulic cylinders drive the lifting mounting plate 307 to rise until it is above the position of the cutting blade 211. At this time, the two ends of the aluminum door and window to be processed are fixed in the middle of the two sets of clamping frames 312. These clamping frames 312 are connected to the guide rail 310 through the limiting slider 311, and the inner wall is provided with anti-slip pads 313 to ensure that the door and window are firmly fixed. After the door and window are firmly clamped, the user can make precise control through the controller 7 on the surface of the main unit base 1.

[0049] On one hand, the controller 7 can precisely control the first set of electric sliders 203, the second set of electric sliders 302, and the vertically mounted hydraulic cylinder 306, enabling all parts of the cutting assembly 2 to work together. On the other hand, the controller 7 starts the drive motor 207 located inside the cutting mounting base 206. The drive motor 207 drives the rotating shaft 209 to rotate through the connector 208. The mounting column 210 in the middle of the rotating shaft 209 rotates accordingly, thereby driving the cutting blade 211 fixed on its surface to perform the cutting operation. During this process, the U-shaped support frame 316 prevents doors and windows from falling during cutting, ensuring processing safety.

[0050] The debris and processing wastewater generated during the cutting process fall directly into the collection drawer 6 through the square hole 4 on the upper surface of the first set of slide grooves 202 of the main unit base 1 and the mounting plate 201. After the processing is completed, the user only needs to pull out the collection drawer 6 from the through hole 5 on one side of the main unit base to collect and dispose of the waste.

[0051] The above-disclosed embodiments are merely one or more preferred embodiments of the aluminum door and window processing track double table saw of this application, and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes of the above embodiments can be implemented, and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A double table saw for processing aluminum doors and windows, comprising a main unit base (1) and a cutting assembly (2), characterized in that; The main unit base (1) is slidably connected to the top of a cutting assembly (2). The cutting assembly (2) includes an opening mounting plate (201). The upper surface of the opening mounting plate (201) is provided with a first set of sliding grooves (202). A first set of electric sliders (203) is slidably arranged inside the first set of sliding grooves (202). A first set of mounting plates (205) is fixedly connected to the top of the first set of electric sliders (203). Two cutting mounting seats (206) are fixedly connected to the top of the first set of mounting plates (205). Supporting assemblies (3) are fixedly connected to both sides of the first set of sliding grooves (202). The support component (3) includes a second set of slide grooves (301). The second set of slide grooves (301) is opened on the left and right sides of the first set of slide grooves (202) on the upper surface of the mounting plate (201). A second set of electric sliders (302) is slidably arranged inside the second set of slide grooves (301). The top of the second set of electric sliders (302) is fixedly connected to the top of the second set of electric sliders (302). The top of the second set of electric sliders (302) is fixedly connected to the top of the second set of mounting plates (303). The top of the mounting plate on one side of the upper surface of the second set of mounting plates (303) is fixedly connected to the top of the first mounting shell (304), and the top of the mounting plate on the other side is fixedly connected to the top of the second mounting shell (305).

2. The double table saw for processing aluminum door and window railings according to claim 1, characterized in that; Two vertically mounted hydraulic cylinders (306) are fixedly connected inside the first mounting shell (304) and the second mounting shell (305). Two lifting mounting plates (307) are fixedly connected to the top of the two vertically mounted hydraulic cylinders (306). Two gantry frames (308) are fixedly connected to the top of the two lifting mounting plates (307).

3. The double table saw for processing aluminum door and window railings according to claim 2, characterized in that; Two sets of electric push rods (309) are fixedly connected to both sides of the inner wall of the two gantry frames (308), and two sets of guide rails (310) are fixedly connected to the upper surface of the inner wall of the two gantry frames (308) and the two lifting mounting plates (307) perpendicular to the inner wall of the gantry frames (308).

4. The double table saw for processing aluminum door and window rails according to claim 3, characterized in that; Two sets of limiting sliders (311) are slidably connected inside the two sets of guide rails (310). Two sets of clamping frames (312) are fixedly connected in the middle of the two sets of limiting sliders (311). Anti-slip pads (313) are fixedly connected to the inner walls of the two sets of clamping frames (312).

5. The double table saw for processing aluminum door and window railings according to claim 4, characterized in that; The first mounting shell (304) has multiple positioning holes (314) on one side of the shell wall surface opposite to the second mounting shell (305), and a U-shaped support frame (316) is fixedly connected to the one side of the shell surface opposite to the second mounting shell (305) by a positioning bolt group (315).

6. The double table saw for processing aluminum door and window rails according to claim 1, characterized in that; The cutting assembly (2) also includes two drive motors (207), which are located inside two cutting mounting bases (206). The output ends of the two drive motors (207) are rotatably connected to two sets of rotating shafts (209) via connectors (208). Two mounting columns (210) are connected to the middle of each set of rotating shafts (209), and two sets of cutting blades (211) are fixedly connected to the surface of each of the two mounting columns (210).

7. The double table saw for processing aluminum door and window rails according to claim 1, characterized in that; The main unit base (1) and the upper surface of the first set of sliding grooves (202) with the mounting plate are both provided with square holes (4). A through hole (5) is provided on one side of the main unit base (1). A collection drawer (6) is slidably connected inside the through hole (5). A controller (7) is fixedly connected to the surface of the main unit base (1).

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