Positioning device for precise punching in aluminum alloy door and window machining

Abstract

The invention relates to the technical field, and discloses a positioning device for precise punching in aluminum alloy door and window machining, the positioning device comprises a bottom plate, the surface of the bottom plate is fixedly connected with a sliding rail, and the two sides of the bottom plate are fixedly connected with fixing frames. A fixing mechanism is arranged at the same time, firstly, an aluminum alloy door and window needing to be drilled is placed on the surface of a contact plate, when the contact plate bears the weight of the aluminum alloy door and window, a pressing plate is pressed downwards, when the pressing plate bears pressure, the pressing plate moves downwards and presses a stress rod, and when the pressing plate moves downwards, the pressing plate is driven to move downwards; when a pull rod moves downwards, a sliding plate is pulled to move towards the mutual approaching direction, the sliding plate moves to drive a fixing plate to move towards the mutual approaching direction, the fixing plate drives a driven rod to move towards the mutual approaching direction, and when the fixing plate moves, a contraction right-angle rod is driven to move towards the mutual approaching direction. And when the contraction right-angle rod moves, the aluminum alloy with different sizes can be effectively fixed.

Description

Technical Field

[0001] The invention relates to the technical field of equipment, and in particular to a positioning device for precise drilling of aluminum alloy doors and windows. Background Art

[0002] Aluminum alloy doors and windows refer to doors and windows made of aluminum alloy extruded profiles as frames, stiles and leaf materials. Aluminum alloy doors and windows include doors and windows with aluminum alloy as the base material of load-bearing rods (rods that bear and transfer their own weight and loads) and doors and windows composited with wood and plastic, referred to as aluminum-wood composite doors and windows and aluminum-plastic composite doors and windows.

[0003] A punching device is needed in the processing of aluminum alloy doors and windows. The punching device is a device that uses a drill rod to open corresponding holes on the aluminum alloy doors and windows. The punching device under the existing technology has a simple structure and lacks an effective fixing structure for the aluminum alloy doors and windows. During the punching process of the aluminum alloy doors and windows, the aluminum alloy doors and windows are prone to shifting from their original position, which may affect the punching effect of the aluminum alloy doors and windows. Summary of the invention

[0004] The purpose of the present invention is to provide a positioning device for precise drilling of aluminum alloy doors and windows to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a positioning device for precise punching of aluminum alloy doors and windows, comprising a bottom plate, a slide rail is fixedly connected to the surface of the bottom plate, and fixed frames are fixedly connected to both sides of the bottom plate, and further comprising:

[0007] A fixing mechanism, the fixing mechanism comprising a fixing plate, an inner wall of the fixing plate being slidably connected to a retractable right-angle rod, and a top of the fixing plate being fixedly connected to a driven rod;

[0008] A positioning mechanism, the positioning mechanism comprising a slide rod, the end of the slide rod is rotatably connected to a positioning ring, and the inner wall of the positioning ring is slidably connected to a shrink ring;

[0009] Stabilizing mechanism The stabilizing mechanism comprises a lower pressure plate, the bottom of which is fixedly connected to a driving motor, and the output end of the driving motor is fixedly connected to a drill rod.

[0010] Furthermore, a downward pressure hole is opened on the surface of the bottom plate, and the number of the slide rails is set to eight, which are divided into four groups of two each, and the eight slide rails are symmetrically distributed with the downward pressure hole as the center.

[0011] Furthermore, the fixing mechanism includes a slide plate, the surface of the slide plate is rotatably connected to a pull rod, the end of the pull rod away from the slide plate is rotatably connected to a lower pressure plate, the surface of the lower pressure plate is fixedly connected to a contact plate, the bottom of the lower pressure plate is fixedly connected to a force rod, and the surface of the force rod is fixedly connected to a force spring.

[0012] Furthermore, the bottom of the slide plate contacts the surface of the bottom plate, the number of the driven rods is set to two, and the two driven rods are symmetrically arranged with the contact plate as the center, the end of the force spring away from the lower pressure plate is fixedly connected to the inner wall of the lower pressure hole, the surface of the slide rail is slidably connected with the slide plate, the number of the pull rods is set to four, and the four pull rods are symmetrically arranged with the lower pressure plate as the center.

[0013] Furthermore, the positioning mechanism includes a slide plate, the inner wall of the slide plate is slidably connected to a movable frame, the bottom of the movable frame is rotatably connected to a lower push rod, the end of the lower push rod away from the movable frame is fixedly connected to a slide rod, the surface of the fixed frame is fixedly connected to a stationary plate, the surface of the stationary plate is provided with a sliding groove, the inner wall of the sliding groove is slidably connected to a slider, the top of the slider is fixedly connected to a passive plate, the surface of the slider is fixedly connected to an elastic plate, and the surface of the elastic plate is fixedly connected to a retraction frame.

[0014] Furthermore, the top of the slide plate is fixedly connected to the inner top wall of the fixed frame, the end of the driven rod away from the fixed plate is fixedly connected to the bottom of the movable frame, the end of the passive plate away from the slider is fixedly connected to the two sides of the movable frame, the end of the contraction frame away from the elastic plate is fixedly connected to the surface of the positioning ring, the push rod is away from one end of the movable frame and inclined toward the surface of the slide rod, there are four sliding rods, which are divided into two groups of two, and the four sliding rods are symmetrically arranged with the contraction ring as the center.

[0015] Furthermore, the stabilizing mechanism includes a downward pressure rod, a downward pressure spring is fixedly connected to the surface of the downward pressure rod, a stabilizing rod is fixedly connected to the surface of the lower pressure plate, a support rod is fixedly connected to the bottom of the stabilizing rod, a support spring is fixedly connected to the surface of the support rod, a stabilizing plate is fixedly connected to one end of the support rod away from the stabilizing rod, and a driven plate is fixedly connected to the surface of the lower pressure plate.

[0016] Furthermore, one end of the lower pressure rod away from the lower pressure plate is fixedly connected to the bottom of the slide slot plate, one end of the driven plate away from the lower pressure plate is fixedly connected to the top of the positioning ring, there are four support rods, and the four support rods are symmetrically arranged at the bottom of the stabilizing rod, and one end of the lower pressure spring away from the lower pressure plate is fixedly connected to the bottom of the slide slot plate.

[0017] The present invention has the following beneficial effects:

[0018] The present invention also provides a fixing mechanism. First, the aluminum alloy door and window that need to be drilled are placed on the surface of the contact plate. When the contact plate is subjected to the weight of the aluminum alloy door and window, the pressing plate is pressed downward. When the lower pressing plate is subjected to pressure, it moves downward and presses the force-bearing rod. When the lower pressing plate moves downward, it drives the pull rod downward. When the pull rod moves downward, it pulls the slide plate toward a direction approaching each other. When the slide plate moves, it drives the fixed plate to move toward a direction approaching each other. The fixed plate drives the driven rod to move toward a direction approaching each other. When the fixed plate moves, it drives the retractable right-angle rod to move toward a direction approaching each other. When the retractable right-angle rod moves, it shrinks toward the inner wall of the fixed plate. Aluminum alloys of different sizes can be effectively fixed. The problem of deviation of the aluminum alloy door and window drill caused by vibration generated when drilling holes in the aluminum alloy door and window is solved.

[0019] When the movable frame moves to the position close to the movable frame, the movable frame is moved to the position close to the movable frame, and the movable frame is moved to the position close to the movable frame, and the movable frame is moved to the position close to the movable frame, and the movable frame is moved to the position close to the movable frame, and the movable frame is moved to the position close to the movable frame, and the movable frame is moved to the position close to the movable frame, and the movable frame is moved to the position close to the movable frame, and the movable frame is moved to the position close to the movable frame, and the movable frame is moved to the position close to the movable frame,

[0020] The present invention provides a stabilizing mechanism, when the positioning ring moves downward, it drives the driven plate to move downward, when the driven plate is subjected to tension, it pulls the lower pressure plate to move downward, and when the lower pressure plate moves downward, it pulls the lower pressure rod to extend downward, and when the lower pressure plate moves downward, it drives the stabilizing rod to move downward, and when the stabilizing rod moves downward, it drives the supporting rod to move downward, and when the supporting rod moves downward, it pushes the stabilizing plate to move downward, and when the lower pressure plate moves, it drives the driving motor to move downward, and energizes the driving motor, and drives the drill rod to rotate, and when the driving motor moves downward, it drives the drill rod to move downward, so that holes in aluminum alloy doors and windows can be drilled effectively, and the drill rod can be more effectively stabilized during drilling, thereby greatly improving the drilling efficiency.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the overall structure of the fixing mechanism of the present invention;

[0026] Figure 4 It is a schematic diagram of the stress-bearing rod structure of the present invention;

[0027] Figure 5 It is a schematic diagram of the overall structure of the positioning mechanism of the present invention;

[0028] Figure 6 This is a schematic diagram of the positioning ring structure of the present invention;

[0029] Figure 7 For the present invention Figure 6 A schematic diagram of the enlarged structure of part A;

[0030] Figure 8 It is a schematic diagram of the overall structure of the stabilizing mechanism of the present invention;

[0031] Fig. 9 It is a schematic diagram of the drill rod structure of the present invention;

[0032] Fig.10 For the present invention Fig. 9 Schematic diagram of the enlarged structure of part B in FIG.

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] In the figure: 1, bottom plate; 2, slide rail; 3, fixed frame; 10, fixing mechanism; 11, slide plate; 12, fixed plate; 13, retractable right-angle rod; 14, driven rod; 15, pull rod; 16, lower pressure plate; 17, contact plate; 18, force rod; 19, force spring; 30, positioning mechanism; 31, slide plate; 32, moving frame; 33, push rod; 34, slide rod; 35, slide rod; 36, positioning ring; 37, retractable ring; 38, stationary plate; 39, slider; 40, passive plate; 41, elastic plate; 42, retractable frame; 50, stabilizing mechanism; 51, lower pressure rod; 52, lower pressure spring; 53, lower pressure plate; 54, stabilizing rod; 55, support rod; 56, support spring; 57, stabilizing plate; 58, driven plate; 59, driving motor; 60, drill rod. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figure 1 - Fig.10 As shown, the present invention is a positioning device for precise punching of aluminum alloy doors and windows, comprising a bottom plate 1, a slide rail 2 is fixedly connected to the surface of the bottom plate 1, and a fixing frame 3 is fixedly connected to both sides of the bottom plate 1, and also includes;

[0037] The fixing mechanism 10 includes a fixing plate 12. The sliding plate 11 moves while driving the fixing plate 12 to move in a direction close to each other. The inner wall of the fixing plate 12 is slidably connected with a retractable right-angle rod 13. When the fixing plate 12 moves, the retractable right-angle rod 13 is driven to move in a direction close to each other. When the retractable right-angle rod 13 moves, it retracts toward the inner wall of the fixing plate 12. A driven rod 14 is fixedly connected to the top of the fixing plate 12. The fixing plate 12 drives the driven rod 14 to move in a direction close to each other.

[0038] The positioning mechanism 30 includes a slide bar 35. The slide slot bar 34 moves downward while driving the slide bar 35 downward. The end of the slide bar 35 is rotatably connected to a positioning ring 36. When the slide bar 35 moves downward, the positioning ring 36 is pushed downward. The inner wall of the positioning ring 36 is slidably connected to a shrinking ring 37. When the shrinking frame 42 moves, the positioning ring 36 is pushed to shrink the surface of the shrinking ring 37.

[0039] The stabilizing mechanism 50 includes a lower pressure plate 53, and a driving motor 59 is fixedly connected to the bottom of the lower pressure plate 53. When the lower pressure plate 53 moves, the driving motor 59 is driven to move downward, and the driving motor 59 is energized. The output end of the driving motor 59 is fixedly connected to the drill rod 60, and drives the drill rod 60 to rotate. When the driving motor 59 moves downward, it also drives the drill rod 60 downward.

[0040] A pressing hole is provided on the surface of the bottom plate 1 . There are eight slide rails 2 , which are divided into four groups of two each. The eight slide rails 2 are symmetrically distributed with the pressing hole as the center.

[0041] The fixing mechanism 10 includes a slide plate 11, and a pull rod 15 is rotatably connected to the surface of the slide plate 11. The end of the pull rod 15 away from the slide plate 11 is rotatably connected to a lower pressure plate 16. When the contact plate 17 is subjected to the weight of the aluminum alloy doors and windows, the lower pressure plate 16 is pressed downward. The surface of the lower pressure plate 16 is fixedly connected to the contact plate 17. First, the aluminum alloy doors and windows that need to be drilled are placed on the surface of the contact plate 17. The bottom of the lower pressure plate 16 is fixedly connected to a force rod 18. When the lower pressure plate 16 is subjected to pressure, it moves downward and presses the force rod 18. The surface of the force rod 18 is fixedly connected to a force spring 19, which can effectively fix aluminum alloys of different sizes and also solves the problem of deviation of the aluminum alloy door and window drill caused by vibration generated when drilling holes in the aluminum alloy doors and windows.

[0042] The bottom of the slide plate 11 contacts the surface of the bottom plate 1, and there are two follower rods 14, which are symmetrically arranged with the contact plate 17 as the center. The end of the force spring 19 away from the lower pressure plate 16 is fixedly connected to the inner wall of the lower pressure hole. The surface of the slide rail 2 is slidably connected with the slide plate 11. When the pull rod 15 moves downward, it pulls the slide plate 11 toward each other. There are four pull rods 15, and the four pull rods 15 are symmetrically arranged with the lower pressure plate 16 as the center. When the lower pressure plate 16 moves downward, it drives the pull rod 15 to move downward.

[0043] The positioning mechanism 30 includes a slide plate 31, the inner wall of the slide plate 31 is slidably connected to a moving frame 32, when the driven rod 14 moves in the direction of approaching each other, and drives the moving frame 32 to move in the direction of approaching each other on the inner wall of the slide plate 31, the bottom of the moving frame 32 is rotatably connected to a lower push rod 33, the end of the lower push rod 33 away from the moving frame 32 is fixedly connected to a slide rod 34, when the lower push rod 33 moves downward, the slide rod 34 is pushed downward, and the surface of the fixed frame 3 is fixedly connected to a stationary plate 38, the surface of the stationary plate 38 is provided with a sliding groove, the inner wall of the sliding groove is slidably connected to a slider 39, when the passive plate 40 moves, the moving frame 32 is driven to move in the direction of approaching each other. The movable slider 39 slides on the inner wall of the sliding groove in the direction of approaching each other, and the top of the slider 39 is fixedly connected to a passive plate 40. When the movable frame 32 slides, it drives the passive plate 40 to move in the direction of approaching each other. The surface of the slider 39 is fixedly connected to an elastic plate 41, and the surface of the elastic plate 41 is fixedly connected to a contraction frame 42. When the middle part of the elastic plate 41 bends, the contraction frame 42 is pushed to move in the direction of approaching each other. When the positioning ring 36 moves downward, the contraction frame 42 is pulled to extend downward, which not only effectively positions the drill bit and prevents deviation during drilling, but also effectively concentrates the waste chips generated during drilling.

[0044] The top of the slide plate 31 is fixedly connected to the inner top wall of the fixed frame 3, the end of the driven rod 14 away from the fixed plate 12 is fixedly connected to the bottom of the movable frame 32, the end of the passive plate 40 away from the slider 39 is fixedly connected to the two sides of the movable frame 32, and the end of the contraction frame 42 away from the elastic plate 41 is fixedly connected to the surface of the positioning ring 36. When the slider 39 moves, it drives the two ends of the elastic plate 41 to move in a direction close to each other. When the two ends of the elastic plate 41 are subjected to thrust, the middle part of the elastic plate 41 is bent, and the lower push rod 33 is away from one end of the movable frame 32. When the movable frame 32 moves, it drives the lower push rod 33 to move in a direction close to each other, and moves downward, and tilts toward the surface of the slide rod 34. There are four sliding rods 35, which are divided into two groups of two, and the four sliding rods 35 are symmetrically arranged with the contraction ring 37 as the center.

[0045] The stabilizing mechanism 50 includes a lower pressure rod 51. When the lower pressure plate 53 moves downward, the lower pressure rod 51 is pulled to extend downward. The surface of the lower pressure rod 51 is fixedly connected with a lower pressure spring 52. The surface of the lower pressure plate 53 is fixedly connected with a stabilizing rod 54. When the lower pressure plate 53 moves downward, the stabilizing rod 54 is driven to move downward. The bottom of the stabilizing rod 54 is fixedly connected with a support rod 55. The surface of the support rod 55 is fixedly connected with a support spring 56. The end of the support rod 55 away from the stabilizing rod 54 is fixedly connected with a stabilizing plate 57. When the support rod 55 moves downward, the stabilizing plate 57 is pushed downward. The surface of the lower pressure plate 53 is fixedly connected with a driven plate 58, which more effectively stabilizes the drill rod 60 during drilling and greatly improves the drilling efficiency.

[0046] One end of the lower pressure rod 51 away from the lower pressure plate 53 is fixedly connected to the bottom of the slide groove plate 31. When the driven plate 58 is subjected to tension, it pulls the lower pressure plate 53 downward. One end of the driven plate 58 away from the lower pressure plate 53 is fixedly connected to the top of the positioning ring 36. When the positioning ring 36 moves downward, it also drives the driven plate 58 to move downward. There are four support rods 55, and the four support rods 55 are symmetrically arranged at the bottom of the stabilizing rod 54. When the stabilizing rod 54 moves downward, it also drives the support rods 55 to move downward. One end of the lower pressure spring 52 away from the lower pressure plate 53 is fixedly connected to the bottom of the slide groove plate 31.

[0047] When in use, first place the aluminum alloy door and window that needs to be drilled on the surface of the contact plate 17. When the contact plate 17 is subjected to the weight of the aluminum alloy door and window, the lower pressing plate 16 is pressed downward. When the lower pressing plate 16 is subjected to pressure, it moves downward and presses the force-bearing rod 18. When the lower pressing plate 16 moves downward, it drives the pull rod 15 downward. When the pull rod 15 moves downward, it pulls the slide plate 11 in a direction of approaching each other. When the slide plate 11 moves, it drives the fixed plate 12 to move in a direction of approaching each other. The fixed plate 12 drives the driven rod 14 to move in a direction of approaching each other. When the fixed plate 12 moves, it drives the retracted right-angle rod 13 to move in a direction of approaching each other. When the right-angle rod 13 moves, it shrinks toward the inner wall of the fixed plate 12. When the driven rod 14 moves in the direction of approaching each other, it drives the moving frame 32 to move in the direction of approaching each other on the inner wall of the slide plate 31. When the moving frame 32 moves, it drives the lower push rod 33 to move in the direction of approaching each other and moves downward. When the lower push rod 33 moves downward, it pushes the slide rod 34 to move downward. When the slide rod 34 moves downward, it drives the slide rod 35 to move downward. When the slide rod 35 moves downward, it pushes the positioning ring 36 to move downward. When the moving frame 32 slides, it drives the passive plate 40 toward When the passive plate 40 moves, the slider 39 is driven to slide on the inner wall of the sliding groove in the direction of approaching each other. When the slider 39 moves, the two ends of the elastic plate 41 are driven to move in the direction of approaching each other. When the two ends of the elastic plate 41 are pushed, the middle part of the elastic plate 41 is bent. When the middle part of the elastic plate 41 is bent, the shrinkage frame 42 is pushed to move in the direction of approaching each other. When the shrinkage frame 42 moves, the positioning ring 36 is pushed to shrink the surface of the shrinkage ring 37. When the positioning ring 36 moves downward, the shrinkage frame 42 is pulled downward to extend. When the positioning ring 36 moves downward, The driven plate 58 is driven to move downward. When the driven plate 58 is subjected to tension, it pulls the lower pressure plate 53 downward. When the lower pressure plate 53 moves downward, it pulls the lower pressure rod 51 to extend downward. When the lower pressure plate 53 moves downward, it drives the stabilizing rod 54 downward. When the stabilizing rod 54 moves downward, it drives the support rod 55 downward. When the support rod 55 moves downward, it pushes the stabilizing plate 57 downward. When the lower pressure plate 53 moves, it drives the driving motor 59 downward, energizes the driving motor 59, and drives the drill rod 60 to rotate. When the driving motor 59 moves downward, it drives the drill rod 60 downward.

[0048] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A positioning device for precise drilling of aluminum alloy doors and windows, comprising a bottom plate (1), a slide rail (2) fixedly connected to the surface of the bottom plate (1), and fixed frames (3) fixedly connected to both sides of the bottom plate (1), characterized in that: Also includes; A fixing mechanism (10), the fixing mechanism (10) comprising a fixing plate (12), the inner wall of the fixing plate (12) being slidably connected to a retractable right-angle rod (13), and the top of the fixing plate (12) being fixedly connected to a driven rod (14); A positioning mechanism (30), the positioning mechanism (30) comprising a sliding rod (35), the end of the sliding rod (35) being rotatably connected to a positioning ring (36), and the inner wall of the positioning ring (36) being slidably connected to a shrinking ring (37); Stabilizing mechanism (50) The stabilizing mechanism (50) comprises a lower pressure plate (53), the bottom of the lower pressure plate (53) is fixedly connected to a driving motor (59), and the output end of the driving motor (59) is fixedly connected to a drill rod (60).

2. The positioning device for precise drilling of aluminum alloy doors and windows according to claim 1, characterized in that: A downward pressure hole is provided on the surface of the bottom plate (1), and the number of the slide rails (2) is eight and divided into four groups of two each. The eight slide rails (2) are symmetrically distributed with the downward pressure hole as the center.

3. The positioning device for precise drilling of aluminum alloy doors and windows according to claim 2, characterized in that: The fixing mechanism (10) comprises a slide plate (11), the surface of the slide plate (11) is rotatably connected to a pull rod (15), one end of the pull rod (15) away from the slide plate (11) is rotatably connected to a lower pressure plate (16), the surface of the lower pressure plate (16) is fixedly connected to a contact plate (17), the bottom of the lower pressure plate (16) is fixedly connected to a force-bearing rod (18), and the surface of the force-bearing rod (18) is fixedly connected to a force-bearing spring (19).

4. The positioning device for precise drilling of aluminum alloy doors and windows according to claim 3 is characterized in that: The bottom of the slide plate (11) contacts the surface of the bottom plate (1), the number of the driven rods (14) is two, and the two driven rods (14) are symmetrically arranged with the contact plate (17) as the center, the end of the force spring (19) away from the lower pressure plate (16) is fixedly connected to the inner wall of the lower pressure hole, the surface of the slide rail (2) is slidably connected with the slide plate (11), and the number of the pull rods (15) is four, and the four pull rods (15) are symmetrically arranged with the lower pressure plate (16) as the center.

5. The positioning device for precise drilling of aluminum alloy doors and windows according to claim 4, characterized in that: The positioning mechanism (30) comprises a slide plate (31), the inner wall of the slide plate (31) is slidably connected to a moving frame (32), the bottom of the moving frame (32) is rotatably connected to a lower push rod (33), the end of the lower push rod (33) away from the moving frame (32) is fixedly connected to a slide rod (34), the surface of the fixed frame (3) is fixedly connected to a stationary plate (38), the surface of the stationary plate (38) is provided with a sliding groove, the inner wall of the sliding groove is slidably connected to a slider (39), the top of the slider (39) is fixedly connected to a passive plate (40), the surface of the slider (39) is fixedly connected to an elastic plate (41), and the surface of the elastic plate (41) is fixedly connected to a contraction frame (42).

6. The positioning device for precise drilling of aluminum alloy doors and windows according to claim 5, characterized in that: The top of the slide plate (31) is fixedly connected to the inner top wall of the fixed frame (3); the end of the driven rod (14) away from the fixed plate (12) is fixedly connected to the bottom of the movable frame (32); the end of the passive plate (40) away from the slider (39) is fixedly connected to the two sides of the movable frame (32); the end of the contraction frame (42) away from the elastic plate (41) is fixedly connected to the surface of the positioning ring (36); the lower push rod (33) is away from one end of the movable frame (32) and is inclined toward the surface of the slide rod (34); the number of the sliding rods (35) is four, and they are divided into two groups of two, and the four sliding rods (35) are symmetrically arranged with the contraction ring (37) as the center.

7. The positioning device for precise drilling of aluminum alloy doors and windows according to claim 6, characterized in that: The stabilizing mechanism (50) comprises a downward pressure rod (51), the surface of the downward pressure rod (51) is fixedly connected to a downward pressure spring (52), the surface of the lower pressure plate (53) is fixedly connected to a stabilizing rod (54), the bottom of the stabilizing rod (54) is fixedly connected to a support rod (55), the surface of the support rod (55) is fixedly connected to a support spring (56), one end of the support rod (55) away from the stabilizing rod (54) is fixedly connected to a stabilizing plate (57), and the surface of the lower pressure plate (53) is fixedly connected to a driven plate (58).

8. The positioning device for precise drilling of aluminum alloy doors and windows according to claim 7, characterized in that: One end of the lower pressure rod (51) away from the lower pressure plate (53) is fixedly connected to the bottom of the slide plate (31), and one end of the driven plate (58) away from the lower pressure plate (53) is fixedly connected to the top of the positioning ring (36). There are four support rods (55), and the four support rods (55) are symmetrically arranged at the bottom of the stabilizing rod (54). One end of the lower pressure spring (52) away from the lower pressure plate (53) is fixedly connected to the bottom of the slide plate (31).

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