Cutting device for door and window processing

Abstract

The utility model relates to the technical field of door and window processing, and discloses a cutting device for door and window processing, which comprises a working table, a cutting knife, a movable part for controlling the cutting knife to cut and a driving part for driving the movable part to move, the cutting knife comprises an upper cutting knife and a lower cutting knife, the middle part of the upper cutting knife is rotatably connected with the middle part of the lower cutting knife, and the upper cutting knife is connected with the lower cutting knife. The driving part comprises a driving motor, a driving rod, a rotating rod, a first rotating arm and a second rotating arm, the driving rod is coaxially connected with the driving end of the driving motor, the rotating rod is connected with the driving rod, the driving rod drives the rotating rod to rotate, and the first rotating arm is connected with the second rotating arm. The first rotating arm and the second rotating arm are fixedly connected to the rotating rod in the radial direction, the end of the first rotating arm abuts against the lower cutter, and the end of the second rotating arm abuts against the upper cutter, so that fixed-length cutting of an aluminum frame can be achieved; and meanwhile, the problem that the aluminum frame is blocked by the cutting knife in the advancing process of the aluminum frame can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window processing, and particularly relates to a cutting device for door and window processing. Background Art

[0002] The cutting of door and window aluminum frames mainly involves precise cutting operations using specialized cutting machines to ensure that the dimensions and angles of the door and window aluminum frames meet the design requirements. These cutting machines usually have high-precision cutting capabilities and can handle the cutting requirements of aluminum frames with various angles and dimensions. Selection of aluminum frame cutting machines: There are various types of aluminum frame cutting machines on the market, including but not limited to aluminum alloy cutting machines, aluminum frame aluminum cutting machines, etc. These machines usually adopt machine material pressing and oil spraying technologies, and the feeding power adopts the combination of air-pushed oil and gasoline to ensure the stability and speed of the machine feeding. Selecting a suitable cutting machine is crucial for improving work efficiency and ensuring cutting quality.

[0003] The invention patent with the authorization announcement number CN103753074B discloses an efficient automatic cutting machine for metal square and rectangular pipes, including a workpiece conveying device assembly, a cutting device assembly, and a finished product conveying device assembly. The workpiece conveying device assembly includes a frame, a plurality of horizontal rollers, a feeding moving mechanism, and a rectangular pipe clamping mechanism; a rectangular clamping mechanism is fixed on the upper part of the feeding moving frame, and a conveying device that moves back and forth along a linear guide rail is formed by a transmission system and a rack at its lower part; the cutting device assembly includes a rotary support on the bracket that can extend and protrude for the rectangular pipe, a rotary driving mechanism, a cutting head transverse moving mechanism fixed on the rotary support through a connecting block, a cutting head lifting mechanism arranged on the moving slide table in the cutting head transverse moving mechanism, and a cutting torch arranged on the cutting head lifting mechanism; the cutting torch is composed of a rotary driving mechanism, a cutting head transverse moving mechanism fixed on the rotary driving mechanism, and a cutting head lifting mechanism fixed on the transverse slide table in the cutting head transverse moving mechanism to form a circumferential cutting device that can make the cutting torch rotate 360° around the contour of the square or rectangular workpiece. However, this device cannot realize the retraction and advancement processes of the cutting tool, and during the advancement of the aluminum part, the cutting tool is prone to being blocked. Content of the Utility Model

[0004] The purpose of the utility model is to provide a cutting device for door and window processing, which can realize the fixed-length cutting of aluminum frames and at the same time avoid the problem that the cutting tool blocks the aluminum frame during the advancement of the aluminum frame.

[0005] The above technical object of the present utility model is achieved through the following technical solutions: A cutting device for door and window processing, comprising a workbench, a cutting knife arranged on the workbench, a movable member for controlling the cutting of the cutting knife, and a driving member for driving the movement of the movable member. The cutting knife includes an upper cutting knife and a lower cutting knife, and the middle parts of the upper cutting knife and the lower cutting knife are rotatably connected. The driving member includes a driving motor, a driving rod, a rotating rod, a first rotating arm, and a second rotating arm. The driving rod is coaxially connected to the driving end of the driving motor, the rotating rod is connected to the driving rod, the driving rod drives the rotating rod to rotate, the first rotating arm and the second rotating arm are radially fixedly connected to the rotating rod, the end of the first rotating arm abuts against the lower cutting knife, and the end of the second rotating arm abuts against the upper cutting knife.

[0006] A further setting of the present utility model is: An upper connecting rod is arranged on the upper cutting knife, a lower connecting rod is arranged on the lower cutting knife, and a spring is connected between the upper connecting rod and the connecting rod.

[0007] A further setting of the present utility model is: The movable member includes a movable table, a push rod, and a driving wheel. A sliding groove is arranged on the workbench, the movable table is slidably connected in the sliding groove, one end of the push rod is connected to the movable table, and the other end is connected to the driving wheel. The driving wheel is radially fixedly connected to the end of the rotating rod.

[0008] A further setting of the present utility model is: A first support is arranged on the movable table, and the upper cutting knife and the lower cutting knife are coaxially rotatably connected to the first support.

[0009] A further setting of the present utility model is: A second support is arranged on the movable table, and one end of the push rod is rotatably connected to the upper end of the second support.

[0010] A further setting of the present utility model is: A driving groove is arranged on the driving wheel, and the driving groove includes an arc-shaped groove and a vertical groove, and the arc-shaped groove and the vertical groove are connected end to end.

[0011] A further setting of the present utility model is: A plug rod is arranged on the push rod, and the plug rod is movably inserted into the driving groove.

[0012] A further setting of the present utility model is: A strip-shaped hole is arranged at one end of the push rod away from the second support, and the rotating rod is inserted into the strip-shaped hole.

[0013] A further setting of the present utility model is: The plug rod is located on the push rod between the strip-shaped hole and the second support.

[0014] The beneficial effects of the present utility model are as follows: The present utility model can achieve fixed-length cutting of the aluminum frame. The driving motor drives the rotating rod to rotate, and the rotating rod drives the first rotating arm and the second rotating arm to rotate. The first rotating arm and the second rotating arm are arranged oppositely. During their rotation, since the upper cutting knife and the lower cutting knife are simultaneously rotatably connected to the first support, when the first rotating arm and the second rotating arm rotate, they will push open the upper cutting knife and the lower cutting knife, and the other ends of the knife heads will close to perform cutting. The setting of the movable part enables the upper cutting knife and the lower cutting knife to retract away from the aluminum frame cutting position. During the rotation of the driving wheel, since the inserting rod on the push rod is inserted into the driving groove, when the inserting rod is in the arc-shaped groove of the driving groove, the inserting rod will push the push rod to drive the movable table to move forward, and the movable table will drive the cutting knife to move forward for cutting. When the inserting rod is located in the vertical groove, the inserting rod will push the push rod to drive the movable table to retract, and the movable table will drive the cutting knife to retract. This time period is the time when the aluminum frame rod moves forward. This method can achieve fixed-length cutting of the aluminum frame and at the same time avoid the problem that the cutting knife blocks the aluminum frame during the forward movement of the aluminum frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 is a schematic structural diagram of the present utility model.

[0017] Figure 2 is a schematic partial structural diagram of the present utility model.

[0018] Figure 3 is a schematic partial structural diagram of the driving part of the present utility model.

[0019] Figure 4 is a schematic structural diagram of the cutting knife of the present utility model.

[0020] Figure 5 is a schematic structural diagram of the movable part of the present utility model.

[0021] In the figure, 1, workbench; 11, sliding groove; 2, cutting knife; 21, upper cutting knife; 211, upper connecting rod; 22, lower cutting knife; 221, lower connecting rod; 23, spring; 3, driving part; 31, driving motor; 32, driving rod; 33, rotating rod; 34, first rotating arm; 35, second rotating arm; 4, movable part; 41, movable table; 411, first support; 412, second support; 42, push rod; 421, inserting rod; 422, strip-shaped hole; 43, driving wheel; 431, arc-shaped groove; 432, vertical groove. Specific embodiments

[0022] The technical solution of the present utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts belong to the scope of protection of the present utility model.

[0023] Embodiment, such as Figure 1 、 Figure 2 、 Figure 3 As shown, a cutting device for processing doors and windows includes a workbench 1, a cutting knife 2 arranged on the workbench 1, a moving part 4 for controlling the cutting of the cutting knife 2, and a driving part 3 for driving the movement of the moving part 4. The cutting knife 2 includes an upper cutting knife 21 and a lower cutting knife 22. The middle parts of the upper cutting knife 21 and the lower cutting knife 22 are rotatably connected. The driving part 3 includes a driving motor 31, a driving rod 32, a rotating rod 33, a first rotating arm 34 and a second rotating arm 35. The driving rod 32 is coaxially connected to the driving end of the driving motor 31. The rotating rod 33 is connected to the driving rod 32. The driving rod 32 drives the rotating rod 33 to rotate. The first rotating arm 34 and the second rotating arm 35 are radially fixedly connected to the rotating rod 33. The end of the first rotating arm 34 abuts against the lower cutting knife 22, and the end of the second rotating arm 35 abuts against the upper cutting knife 21.

[0024] As Figure 4 shown, an upper connecting rod 211 is arranged on the upper cutting knife 21, a lower connecting rod 221 is arranged on the lower cutting knife 22, and a spring 23 is connected between the upper connecting rod 211 and the connecting rod.

[0025] As Figure 5 shown, the moving part 4 includes a moving table 41, a push rod 42 and a driving wheel 43. A chute 11 is arranged on the workbench 1. The moving table 41 is slidably connected in the chute 11. One end of the push rod 42 is connected to the moving table 41, and the other end is connected to the driving wheel 43. The driving wheel 43 is radially fixedly connected to the end of the rotating rod 33.

[0026] As Figure 5 shown, a support one 411 is arranged on the moving table 41. The upper cutting knife 21 and the lower cutting knife 22 are coaxially and rotatably connected to the support one 411.

[0027] As Figure 5 shown, a support two 412 is arranged on the moving table 41. One end of the push rod 42 is rotatably connected to the upper end of the support two 412.

[0028] As Figure 3 shown, a pushing groove is provided on the pushing wheel 43. The pushing groove includes an arc groove 431 and a vertical groove 432, and the arc groove 431 and the vertical groove 432 are connected end to end and communicate with each other.

[0029] As Figure 3 、 Figure 5 shown, a plug rod 421 is provided on the push rod 421, and the plug rod 421 is movably inserted into the pushing groove.

[0030] As Figure 5 shown, a strip-shaped hole 422 is provided at one end of the push rod 421 away from the second support 412, and the rotating rod 33 is inserted into the strip-shaped hole 422.

[0031] As Figure 5 shown, the plug rod 421 is located on the push rod 421 between the strip-shaped hole 422 and the second support 412.

[0032] The utility model can realize the fixed-length cutting of the aluminum frame. The driving motor 31 drives the rotating rod 33 to rotate, and the rotating rod 33 drives the first rotating arm 34 and the second rotating arm 35 to rotate. The first rotating arm 34 and the second rotating arm 35 are oppositely arranged. During their rotation, since the upper cutting knife 21 and the lower cutting knife 22 are simultaneously rotatably connected to the first support 411, when the first rotating arm 34 and the second rotating arm 35 rotate, they will push open the upper cutting knife 21 and the lower cutting knife 22, and the other ends of the knife heads will close to cut. The setting of the movable member 4 can make the upper cutting knife 21 and the lower cutting knife 22 retract away from the aluminum frame cutting position. During the rotation of the pushing wheel 43, since the plug rod 421 on the push rod 421 is inserted into the pushing groove, when the plug rod 421 is in the arc groove 431 of the pushing groove, the plug rod 421 will push the push rod 421 to drive the movable table 41 to move forward, and the movable table 41 will drive the cutting knife 2 to move forward for cutting. When the plug rod 421 is in the vertical groove 432, the plug rod 421 will push the push rod 421 to drive the movable table 41 to retract, and the movable table 41 will drive the cutting knife 2 to retract. This time period is the time when the aluminum frame rod moves forward. This method can realize the fixed-length cutting of the aluminum frame and can also avoid the problem that the cutting knife 2 blocks the aluminum frame during the forward movement of the aluminum frame.

Claims

1. A cutting device for door and window processing, characterized in that: The invention comprises a workbench (1), a cutting knife (2) arranged on the workbench (1), a movable part (4) for controlling the cutting of the cutting knife (2), and a driving part (3) for driving the movable part (4) to move, wherein the cutting knife (2) comprises an upper cutting knife (21) and a lower cutting knife (22), wherein the upper cutting knife (21) is rotatably connected to the middle part of the lower cutting knife (22), and the driving part (3) comprises a driving motor (31), a driving rod (32), a rotating rod (33), a first rotating arm (34) and a second rotating arm ( 35), the driving rod (32) is coaxially connected to the driving end of the driving motor (31), the rotating rod (33) is connected to the driving rod (32), the driving rod (32) drives the rotating rod (33) to rotate, the first rotating arm (34) and the second rotating arm (35) are radially fixedly connected to the rotating rod (33), the end of the first rotating arm (34) is in conflict with the lower cutter (22), and the end of the second rotating arm (35) is in conflict with the upper cutter (21).

2. A cutting device for door and window processing according to claim 1, characterized in that: The upper cutter (21) is provided with an upper connecting rod (211), the lower cutter (22) is provided with a lower connecting rod (221), and a spring (23) is connected between the upper connecting rod (211) and the connecting rod.

3. A cutting device for door and window processing according to claim 2, characterized in that: The movable part (4) comprises a movable platform (41), a push rod (42), and a driving wheel (43); a slide groove (11) is provided on the workbench (1); the movable platform (41) is slidably connected in the slide groove (11); one end of the push rod (42) is connected to the movable platform (41), and the other end is connected to the driving wheel (43); the driving wheel (43) is radially fixedly connected to the end of the rotating rod (33).

4. A cutting device for door and window processing according to claim 3, characterized in that: A support seat (411) is provided on the movable platform (41), and the upper cutter (21) and the lower cutter (22) are coaxially rotatably connected to the support seat (411).

5. A cutting device for door and window processing according to claim 3, characterized in that: A second support (412) is provided on the movable platform (41), and one end of the push rod (42) is rotatably connected to the upper end of the second support (412).

6. A cutting device for door and window processing according to claim 5, characterized in that: The pushing wheel (43) is provided with a pushing groove, the pushing groove comprising an arc-shaped groove (431) and a vertical groove (432), and the arc-shaped groove (431) and the vertical groove (432) are connected end to end.

7. A cutting device for door and window processing according to claim 6, characterized in that: The push rod (42) is provided with an insertion rod (421), and the insertion rod (421) is movably inserted in the pushing groove.

8. A cutting device for door and window processing according to claim 7, characterized in that: A strip-shaped hole (422) is provided at one end of the push rod (42) away from the second support (412), and the rotating rod (33) is inserted into the strip-shaped hole (422).

9. A cutting device for door and window processing according to claim 8, characterized in that: The inserting rod (421) is located on the push rod (42) between the strip-shaped hole (422) and the second support (412).

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