Aluminum alloy door and window plate bending device

Abstract

The invention relates to the technical field of bending devices, and discloses an aluminum alloy door and window plate bending device which comprises a base, a limiting groove is formed in the middle of the top of the base, a limiting block is slidably installed in the limiting groove, and a first stand column and a second stand column are symmetrically and fixedly installed on the two sides of the top of the base. The die base is of a polygonal prism structure. By arranging the mold base of the polygonal prism structure, various different types of bending groove molds can be loaded at the same time, the standardized design of the mold grooves is compatible with various mold sizes, the requirements for different bending radiuses are met, the diversified machining requirements of door and window plates are met, rapid rotating switching is achieved through driving of the first motor, and the machining efficiency is improved. The problems that traditional manual heavy mold carrying consumes time and has potential safety hazards are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of bending devices, and in particular to a bending device for aluminum alloy door and window plates. Background Art

[0002] The bending device for aluminum alloy door and window plates is a mechanical device used for plastic deformation processing of aluminum alloy plates. By applying pressure (hydraulic, mechanical or servo drive) in combination with a mold, the flat or strip-shaped aluminum alloy material is bent to achieve different bending arc angles required for the door and window frames.

[0003] According to different bending arc angles, bending groove molds of different models need to be frequently replaced. The existing sizes of aluminum alloy door and window plates are usually large, and the lengths and weights of the corresponding bending groove molds increase significantly. Manual handling or hoisting is inefficient and poses safety hazards. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies in the prior art and propose a bending device for aluminum alloy door and window plates.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions: A bending device for aluminum alloy door and window plates, including a base. A limiting groove is opened in the middle of the top of the base. A limiting block is slidably installed in the limiting groove. First and second columns are symmetrically and fixedly installed on both sides of the top of the base. It further includes: A mold base, which has a polygonal prism structure. Mold grooves are opened on each plane of the mold base. Different models of bending groove molds are fixedly installed in a plurality of the mold grooves respectively. The mold base is rotatably installed between the first and second columns; A hydraulic oil tank. Two pressurizing pipes are symmetrically provided on the top of the hydraulic oil tank. A plurality of oil guiding pipes are fixedly installed at the bottom of the hydraulic oil tank. The other ends of the plurality of oil guiding pipes are communicated with the inside of the limiting groove. An oil inlet is provided on one side of the top of the hydraulic oil tank; A second protective block, on one side of which an arc-shaped structure adapted to the rotation trajectory of the mold base is opened. A plurality of atomizing nozzles are provided inside the second protective block. The liquid inlet end of each atomizing nozzle is communicated with the inside of the hydraulic oil tank.

[0006] As a further solution of the present invention, a first protective block is fixedly installed on one side of the top of the base. An arc-shaped structure symmetrical to the arc-shaped surface of the second protective block is opened on one side of the first protective block. A tool holder is further provided between the first and second columns. Different models of folding knife bodies are detachably and fixedly installed at the top and bottom of the tool holder respectively. A material blocking strip for positioning the plate is slidably installed on the top of the hydraulic oil tank.

[0007] As a further solution of the present invention, a first electromagnetic oil valve is fixedly installed in the oil inlet. An oil inlet pipe is fixedly installed at the liquid inlet end of the first electromagnetic oil valve. A second electromagnetic oil valve is provided in each atomizing nozzle. A plurality of first oil holes adapted to the oil guide pipe are formed in the base.

[0008] As a further solution of the present invention, a waste oil collection cavity is formed on one side of the base. A waste oil box is provided in the waste oil collection cavity. The top of the waste oil box is in a drawer-like structure. A plurality of second oil holes communicating with the waste oil collection cavity are formed on one side in the limit groove. Two convex ribs are symmetrically provided on both sides in the limit groove.

[0009] As a further solution of the present invention, a first equipment cavity and a second equipment cavity are formed on one side of the first column. A third equipment cavity and a fourth equipment cavity are formed on one side of the second column. A third maintenance door and a second maintenance door are respectively hinged in the openings of the first equipment cavity and the second equipment cavity. A first maintenance door is hinged in the opening of the third equipment cavity. A control terminal is fixedly installed in the opening of the fourth equipment cavity.

[0010] As a further solution of the present invention, a first motor is fixedly installed in the first equipment cavity. The output end of the first motor is fixedly installed at the rotation center of one end of the mold base. A lifting frame is slidably installed in the second equipment cavity. A second motor is fixedly installed in the lifting frame. A slider is slidably installed in the third equipment cavity. Both ends of the tool holder are rotatably installed on the adjacent sides of the lifting frame and the slider respectively. The output end of the first motor is fixedly installed at the rotation center of one end of the tool holder.

[0011] As a further solution of the present invention, a first chute hole for avoiding the tool holder is formed on the adjacent side of the second equipment cavity and the third equipment cavity. A second chute hole is formed on one side of the second equipment cavity and the third equipment cavity. A transfer block is slidably installed in each of the two second chute holes. One ends of the two transfer blocks are respectively fixedly installed on the top of the lifting frame and the slider. Electric telescopic rods are fixedly installed in the first equipment cavity and the fourth equipment cavity respectively. The telescopic ends of the two electric telescopic rods are respectively fixedly installed at both ends of the material blocking strip.

[0012] As a further solution of the present invention, hydraulic telescopic rods are fixedly installed at the tops of the first column and the second column respectively. The output ends of the two hydraulic telescopic rods are respectively fixedly installed on the tops of the two transfer blocks. A plurality of legs are fixedly installed around the bottom of the base.

[0013] As a further solution of the present invention, a piston rod is fixedly installed at the bottom of one end of each transfer block. A piston block adapted to the inner diameter of the pressure pipe is fixedly installed at the bottom end of each piston rod. The piston block is slidably installed in the pressure pipe. A sealing end cover is fixedly installed in the open top of the pressure pipe. The piston rod passes through the sealing end cover and is slidably connected thereto.

[0014] Compared with the prior art, the present invention has the following beneficial effects: By setting a mold base with a polygonal prism structure, multiple different types of bending groove molds can be loaded simultaneously. The standardized design of the mold grooves is compatible with multiple mold sizes, adapts to different bending radius requirements, and meets the diverse processing requirements of door and window plates. Through the drive of the first motor, rapid rotation and switching are achieved, solving the problems of time-consuming manual handling of heavy molds and potential safety hazards in the prior art. By setting that different types of bending knife bodies can be installed at the top and bottom of the tool holder, and through the coordinated movement of the lifting frame and the slider driven by the second motor, automatic flipping and switching of the tools are realized. It supports multiple types of bending knife bodies, reduces the number of tool changes, and further improves the processing efficiency of the equipment. By setting a limit block, combined with the drive of the hydraulic telescopic rod to press down the piston rod, the piston block compresses the hydraulic oil, and through the oil guide pipe and the first oil hole, pressure is applied to the bottom of the limit block, pushing the limit block to tightly abut against the mold base, forming a rigid support. Under the bending impact, the vibration amplitude of the mold base is greatly reduced, the fluctuation of the bending angle is decreased, and the bending precision of the equipment is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a bending device for aluminum alloy door and window plates proposed by the present invention; Figure 2 is a schematic cross-sectional structural diagram of a bending device for aluminum alloy door and window plates proposed by the present invention; Figure 3 is Figure 2 an enlarged structural diagram of part A in Figure 4 is a schematic cross-sectional structural diagram of the base and mold base of a bending device for aluminum alloy door and window plates proposed by the present invention; Figure 5 is a schematic structural diagram of the first column and the second column of a bending device for aluminum alloy door and window plates proposed by the present invention in a maintenance state; Figure 6 is Figure 5 an enlarged structural diagram of part B in Figure 7 is a schematic structural diagram of the split of the hydraulic oil tank of a bending device for aluminum alloy door and window plates proposed by the present invention; Figure 8 is Figure 7 an enlarged structural diagram of part C in Figure 9 is a schematic structural diagram of the limit block of a bending device for aluminum alloy door and window plates proposed by the present invention.

[0016] In the figure: 1, base; 101, waste oil collection chamber; 102, limit groove; 103, first oil hole; 104, convex rafter; 105, second oil hole; 2, support leg; 3, first upright column; 301, first equipment chamber; 302, second equipment chamber; 303, first sliding groove hole; 304, second sliding groove hole; 4, hydraulic telescopic rod; 5, second upright column; 501, third equipment chamber; 502, fourth equipment chamber; 6, control terminal; 7, waste oil box; 8, first protective block; 9, mold base; 901, mold groove; 10, tool holder; 11, folding cutter body; 12, first inspection door; 13, second inspection door; 14, third inspection door; 15, hydraulic oil tank; 1501, oil inlet; 1502, pressure pipe; 1503, sealing end cover; 1504, oil guide pipe; 16, oil inlet pipe; 17, piston rod; 18, adapter block; 19, material blocking strip; 20, second protective block; 21, bending groove mold; 22, slider; 23, first motor; 24, electric telescopic rod; 25, lifting frame; 26, second motor; 27, first electromagnetic oil valve; 28, piston block; 29, atomizing nozzle; 30, limit block. Detailed implementation manners

[0017] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0018] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0020] Refer to Figures 1-9, an aluminum alloy door and window plate bending device, including a base 1. A limit groove 102 is opened in the middle of the top of the base 1. A limit block 30 is slidably installed in the limit groove 102. On both sides of the top of the base 1, a first column 3 and a second column 5 are symmetrically and fixedly installed. It also includes: a mold base 9, the mold base 9 has a polygonal prism structure. Each plane of the mold base 9 is provided with a mold groove 901. Different models of bending groove molds 21 are respectively fixedly installed in a plurality of mold grooves 901. The mold base 9 is rotatably installed between the first column 3 and the second column 5; a hydraulic oil tank 15. On the top of the hydraulic oil tank 15, two pressure pipes 1502 are symmetrically provided. At the bottom of the hydraulic oil tank 15, a plurality of oil guide pipes 1504 are fixedly installed. The other ends of the plurality of oil guide pipes 1504 are all communicated with the inside of the limit groove 102. An oil inlet 1501 is provided on one side of the top of the hydraulic oil tank 15; a second protection block 20, one side of the second protection block 20 is provided with an arc structure adapted to the rotation track of the mold base 9. A plurality of atomizing nozzles 29 are provided in the second protection block 20. The liquid inlet end of each atomizing nozzle 29 is communicated with the inside of the hydraulic oil tank 15.

[0021] During use, by setting the mold base 9 with a polygonal prism structure, various different models of bending groove molds 21 can be loaded at the same time. The mold grooves 901 are standardized in design to be compatible with various mold sizes, adapt to different bending radius requirements, and meet the diversified processing requirements of door and window plates. Through the drive of the first motor 23, rapid rotation and switching are realized, solving the problems of time-consuming traditional manual handling of heavy molds and potential safety hazards.

[0022] In this embodiment, a first protection block 8 is fixedly installed on one side of the top of the base 1. An arc structure symmetrical to the arc surface of the second protection block 20 is opened on one side of the first protection block 8. A tool holder 10 is also provided between the first column 3 and the second column 5. Different models of bending knife bodies 11 are respectively detachably and fixedly installed at the top and bottom of the tool holder 10. A material blocking strip 19 for positioning the plate is slidably installed on the top of the hydraulic oil tank 15. A first electromagnetic oil valve 27 is fixedly installed in the oil inlet 1501. An oil inlet pipe 16 is fixedly installed at the liquid inlet end of the first electromagnetic oil valve 27. A second electromagnetic oil valve is provided in each atomizing nozzle 29. A plurality of first oil holes 103 adapted to the oil guide pipes 1504 are opened in the base 1. An oil waste collection cavity 101 is opened on one side of the base 1. An oil waste box 7 is provided in the oil waste collection cavity 101. The top of the oil waste box 7 has a drawer-like structure. A plurality of second oil holes 105 communicating with the oil waste collection cavity 101 are opened on one side in the limit groove 102. Two convex ribs 104 are symmetrically provided on both sides in the limit groove 102.

[0023] During use, the first protective block 8 and the second protective block 20 are mainly used to protect the unused bending groove die 21. The hydraulic telescopic rod 4 drives the piston rod 17 and the piston block 28 to compress the hydraulic oil in the hydraulic oil tank 15, and then pressurizes the hydraulic oil at the bottom of the limiting block 30 through the first oil hole 103, thereby driving the limiting block 30 to position and support the die base 9, preventing it from shaking during bending impact, improving the stability of the equipment during the bending process, and further improving the bending accuracy of the equipment. After replacing the bending groove die 21, during the first bending, the oil pressure in the hydraulic oil tank 15 increases. The control terminal 6 controls the second electromagnetic oil valve to open, and the hydraulic oil passes through the atomizing nozzle 29 to perform high-pressure oil spraying protection on the bending groove die 21 that has just entered the second protective block 20, improving the service life of the bending groove die 21.

[0024] In this embodiment, a first equipment cavity 301 and a second equipment cavity 302 are provided on one side of the first column 3, and a third equipment cavity 501 and a fourth equipment cavity 502 are provided on one side of the second column 5. A third inspection door 14 and a second inspection door 13 are respectively hinged inside the openings of the first equipment cavity 301 and the second equipment cavity 302. A first inspection door 12 is hinged inside the opening of the third equipment cavity 501. A control terminal 6 is fixedly installed inside the opening of the fourth equipment cavity 502. A first motor 23 is fixedly installed inside the first equipment cavity 301. The output end of the first motor 23 is fixedly installed at the rotation center of one end of the die base 9. A lifting frame 25 is slidably installed inside the second equipment cavity 302. A second motor 26 is fixedly installed inside the lifting frame 25. A slider 22 is slidably installed inside the third equipment cavity 501. Both ends of the tool holder 10 are rotatably installed on the adjacent sides of the lifting frame 25 and the slider 22. The output end of the first motor 23 is fixedly installed at the rotation center of one end of the tool holder 10.

[0025] During use, by setting the tool holder 10, a plurality of special fixtures for folding knives are provided on the top and bottom of the tool holder 10. Different folding knife bodies 11 with different bending angles can be clamped through the special fixtures. By setting the top and bottom of the tool holder 10 to clamp two commonly used types of folding knife bodies 11 at the same time, the two types of folding knife bodies 11 in the equipment can be used alternately. The second motor 26 drives the lifting frame 25 and the slider 22 to move in coordination to realize automatic tool flipping and switching, reducing the number of tool changes and further improving the processing efficiency of the equipment.

[0026] In this embodiment, a first slide slot hole 303 for avoiding the tool holder 10 is provided on one side of the second equipment cavity 302 and the third equipment cavity 501, and a second slide slot hole 304 is provided on one side of the second equipment cavity 302 and the third equipment cavity 501. Adapter blocks 18 are slidably installed in the two second slide slot holes 304, and one end of the two adapter blocks 18 is fixedly installed on the top of the lifting frame 25 and the slider 22 respectively. Electric telescopic rods 24 are fixedly installed in the first equipment cavity 301 and the fourth equipment cavity 502, and the telescopic ends of the two electric telescopic rods 24 are fixedly installed on the two ends of the blocking strip 19 respectively. Hydraulic telescopic rods 4 are fixedly installed on the top of the column 3 and the second column 5. The output ends of the two hydraulic telescopic rods 4 are fixedly installed on the tops of two adapter blocks 18 respectively. A plurality of legs 2 are fixedly installed around the bottom of the base 1. A piston rod 17 is fixedly installed on the bottom of one end of each adapter block 18. A piston block 28 matching the inner diameter of the pressurized tube 1502 is fixedly installed on the bottom of each piston rod 17. The piston block 28 is slidably installed in the pressurized tube 1502. A sealed end cover 1503 is fixedly installed in the open top of the pressurized tube 1502. The piston rod 17 passes through the sealed end cover 1503 and is slidably connected thereto.

[0027] When in use, an encoder is set in the connection between the control terminal 6 and the first motor 23 and the second motor 26 to control the rotation angle of the motor. The first motor 23 and the second motor 26 are both equipped with a self-locking function to prevent the corresponding mold base 9 and the tool holder 10 from accidentally rotating. The distance between the material blocking strip 19 and the bending groove mold 21 is adjusted by the electric telescopic rod 24 to achieve precise control of the bending width.

[0028] From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: when in use, firstly, the bending parameters are set through the control terminal 6, the material blocking bar 19 on the top of the hydraulic oil tank 15 is driven, and the positioning reference is adjusted according to the bending width of the plate; then the control terminal 6 starts the first motor 23 in the first equipment cavity 301, drives the mold base 9 to rotate to the target position, and the rotation angle is accurately controlled by the encoder; then the two hydraulic telescopic rods 4 are used to control the tool holder 10 to descend, driving the bending knife body 11 to bend the plate; during the descending process of the bending knife body 11, the two adapter blocks 18 drive the piston block 28 to compress the liquid in the hydraulic oil tank 15 The hydraulic oil enters the limit groove 102 through the oil guide pipe 1504 and lifts the limit block 30 upward, further strengthening the support and limit of the mold base 9 and improving the stability of the mold during the bending process of the equipment; after the oil pressure in the hydraulic oil tank 15 increases, the control terminal 6 controls the second electromagnetic oil valve to open the atomizing nozzle 29, so that the high-pressure oil mist is evenly sprayed in the bending groove mold 21 to maintain it, and then the second electromagnetic oil valve is quickly closed; finally, the tool holder 10 is reset, and the control terminal 6 controls the first electromagnetic oil valve 27 to open, so that the oil inlet pipe 16 connected to the external oil supply equipment is connected to the hydraulic oil tank 15 to replenish the loss in the hydraulic oil tank 15.

[0029] The above has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A bending device for aluminum alloy door and window plates, comprising a base (1), a limiting groove (102) is provided in the middle of the top of the base (1), a limiting block (30) is slidably installed in the limiting groove (102), and a first column (3) and a second column (5) are symmetrically fixedly installed on both sides of the top of the base (1), characterized in that: Also includes: A mold base (9), the mold base (9) being in a polygonal prism structure, each plane of the mold base (9) being provided with a mold groove (901), and different types of bending groove molds (21) being fixedly installed in the plurality of mold grooves (901), and the mold base (9) being rotatably installed between the first column (3) and the second column (5); A hydraulic oil tank (15), wherein two pressurizing pipes (1502) are symmetrically arranged on the top of the hydraulic oil tank (15), a plurality of oil guide pipes (1504) are fixedly installed on the bottom of the hydraulic oil tank (15), the other ends of the plurality of oil guide pipes (1504) are all in communication with the limiting groove (102), and an oil inlet (1501) is arranged on one side of the top of the hydraulic oil tank (15); A second protective block (20), wherein one side of the second protective block (20) is provided with an arc-shaped structure adapted to the rotation trajectory of the mold base (9), and a plurality of atomizing nozzles (29) are arranged in the second protective block (20), and a liquid inlet end of each of the atomizing nozzles (29) is connected to the interior of the hydraulic oil tank (15).

2. The aluminum alloy door and window sheet bending device according to claim 1, characterized in that: A first protective block (8) is fixedly mounted on one side of the top of the base (1); an arc-shaped structure symmetrical to the arc-shaped surface of the second protective block (20) is provided on one side of the first protective block (8); a tool holder (10) is also provided between the first column (3) and the second column (5); bending knife bodies (11) of different models are detachably fixedly mounted on the top and bottom of the tool holder (10); and a material blocking strip (19) for positioning a plate is slidably mounted on the top of the hydraulic oil tank (15).

3. The aluminum alloy door and window sheet bending device according to claim 2, characterized in that: A first electromagnetic oil valve (27) is fixedly installed in the oil inlet (1501), an oil inlet pipe (16) is fixedly installed at the liquid inlet end of the first electromagnetic oil valve (27), a second electromagnetic oil valve is provided in each of the atomizing nozzles (29), and a plurality of first oil holes (103) adapted to the oil guide pipe (1504) are provided in the base (1).

4. The aluminum alloy door and window sheet bending device according to claim 3, characterized in that: A waste oil collection chamber (101) is provided on one side of the base (1), a waste oil box (7) is provided in the waste oil collection chamber (101), the top of the waste oil box (7) is in a drawer-like structure, a plurality of second oil holes (105) communicating with the waste oil collection chamber (101) are provided on one side of the limiting groove (102), and two convex rafters (104) are symmetrically provided on both sides of the limiting groove (102).

5. The aluminum alloy door and window sheet bending device according to claim 4, characterized in that: A first equipment cavity (301) and a second equipment cavity (302) are provided on one side of the first column (3), and a third equipment cavity (501) and a fourth equipment cavity (502) are provided on one side of the second column (5). A third inspection door (14) and a second inspection door (13) are hingedly connected in the openings of the first equipment cavity (301) and the second equipment cavity (302), respectively. A first inspection door (12) is hingedly connected in the opening of the third equipment cavity (501), and a control terminal (6) is fixedly installed in the opening of the fourth equipment cavity (502).

6. The aluminum alloy door and window sheet bending device according to claim 5, characterized in that: A first motor (23) is fixedly installed in the first equipment cavity (301), and an output end of the first motor (23) is fixedly installed with a rotation center of one end of the mold base (9). A lifting frame (25) is slidably installed in the second equipment cavity (302), and a second motor (26) is fixedly installed in the lifting frame (25). A sliding block (22) is slidably installed in the third equipment cavity (501). Both ends of the tool holder (10) are rotatably installed on adjacent sides of the lifting frame (25) and the sliding block (22), and an output end of the first motor (23) is fixedly installed with a rotation center of one end of the tool holder (10).

7. The aluminum alloy door and window sheet bending device according to claim 6, characterized in that: A first slide slot hole (303) for avoiding the tool holder (10) is provided on one side adjacent to the second equipment cavity (302) and the third equipment cavity (501); a second slide slot hole (304) is provided on one side of the second equipment cavity (302) and the third equipment cavity (501); adapter blocks (18) are slidably installed in the two second slide slot holes (304); one end of the two adapter blocks (18) are respectively fixedly installed on the top of the lifting frame (25) and the sliding block (22); an electric telescopic rod (24) is fixedly installed in the first equipment cavity (301) and the fourth equipment cavity (502); the telescopic ends of the two electric telescopic rods (24) are respectively fixedly installed on the two ends of the material blocking strip (19).

8. The aluminum alloy door and window sheet bending device according to claim 7, characterized in that: A hydraulic telescopic rod (4) is fixedly mounted on the top of each of the first column (3) and the second column (5); the output ends of the two hydraulic telescopic rods (4) are respectively fixedly mounted on the tops of two adapter blocks (18); and a plurality of legs (2) are fixedly mounted around the bottom of the base (1).

9. The aluminum alloy door and window sheet bending device according to claim 8, characterized in that: A piston rod (17) is fixedly mounted at the bottom of one end of each adapter block (18), and a piston block (28) adapted to the inner diameter of the pressurized tube (1502) is fixedly mounted at the bottom of each piston rod (17). The piston block (28) is slidably mounted in the pressurized tube (1502), and a sealing end cover (1503) is fixedly mounted in the open top of the pressurized tube (1502). The piston rod (17) passes through the sealing end cover (1503) and is slidably connected thereto.

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