Aviation thin-wall part drilling device

Abstract

The utility model relates to an aviation thin-wall part drilling device which comprises a bottom frame, a longitudinal baffle, a vertical hole drill and a transverse hole drill are arranged on the top of the bottom frame, the vertical hole drill and the transverse hole drill are located on the two sides of the longitudinal baffle, a transverse baffle perpendicular to the arrangement direction of the longitudinal baffle is further arranged on the side close to the vertical hole drill, and a top limiting mechanism is arranged on the vertical hole drill. A side limiting mechanism is arranged on the transverse hole drill, the longitudinal baffle, the transverse baffle and the side limiting mechanism limit the position of the thin-wall part in the horizontal direction, and the top limiting mechanism is matched with the bottom frame to limit the position of the thin-wall part in the vertical direction. When the vertical hole drill is used for drilling, the thin-wall part can be clamped and pre-tightened in the vertical direction through the top limiting mechanism, the transverse hole drill drives the side limiting mechanism to synchronously achieve clamping and pre-tightening on the thin-wall part in the horizontal direction, and automatic clamping and drilling of the thin-wall part can be achieved. And the clamping mode and the strength of the same batch are the same, and the machining efficiency and precision can be improved by using the device.

Description

Technical Field

[0001] The utility model relates to the technical field of aviation part processing, in particular to a drilling device for aviation thin-walled parts. Background Technique

[0002] In the aviation industry, the processing of thin-walled parts is a crucial and complex process. Due to their lightweight and high-strength characteristics, thin-walled parts usually have complex geometric shapes, which pose challenges to the processing process. Especially in drilling operations, due to the shape and structure of thin-walled parts, traditional processing methods often require clamping each workpiece one by one. This not only increases the complexity and time of processing, but also may affect the processing accuracy and consistency. Content of the Utility Model

[0003] In order to overcome the above-mentioned disadvantages existing in the prior art, the technical problem of the utility model is to provide a drilling device for aviation thin-walled parts that can simplify the workpiece clamping process and improve the processing accuracy and consistency.

[0004] The technical implementation scheme of the utility model is: a drilling device for aviation thin-walled parts, including a chassis. A longitudinal baffle is provided at the top of the chassis, and a vertical drill and a horizontal drill are arranged on both sides of the longitudinal baffle. A transverse baffle perpendicular to the setting direction of the longitudinal baffle is also provided on one side close to the vertical drill. A top limiting mechanism is provided on the vertical drill, and a side limiting mechanism is provided on the horizontal drill. The longitudinal baffle, the transverse baffle and the side limiting mechanism limit the position of the thin-walled part in the horizontal direction, and the top limiting mechanism cooperates with the chassis to limit the position of the thin-walled part in the vertical direction.

[0005] Furthermore, the transverse baffle is connected to the chassis by a pin, and the transverse baffle can be adjusted longitudinally along the chassis.

[0006] Furthermore, the vertical drill includes a vertical drill bit, a first driving mechanism and a support frame. The support frame is vertically arranged at the top of the chassis. The first driving mechanism is arranged on the support frame, and the vertical drill bit is arranged at the movable end of the first driving mechanism. The first driving mechanism drives the vertical drill bit to move in the vertical direction.

[0007] Furthermore, the top limiting mechanism includes a support plate, a guide post, a spring, a clamping block and a pressing rod. The support plate is arranged at the movable end of the first driving mechanism. A vertical hole is provided on the support plate. The guide post is movably matched with the vertical hole. The clamping block is arranged at the lower end of the guide post. The pressing rod is arranged on the clamping block. A notch cooperating with the thin-walled part is provided at the bottom of the pressing rod. The spring is sleeved on the guide post. The spring includes a first section between the support plate and the clamping block and a second section between the support plate and the top end of the guide post. The top limiting mechanism runs with the movable end of the first driving mechanism and can press the top of the thin-walled part.

[0008] Furthermore, a slider structure is formed at the upper end of the pressure rod, a chute adapted to the slider structure is formed on the clamping block, a screw hole penetrating through the top wall thereof is provided in the chute, and a screw rod is arranged in the screw hole.

[0009] Furthermore, the horizontal hole drill includes a second driving mechanism arranged on the chassis and a horizontal drill bit arranged at the movable end of the second driving mechanism, and the second driving mechanism drives the horizontal drill bit to move in the horizontal direction.

[0010] Furthermore, the second driving mechanism is a lead screw sliding table mechanism.

[0011] Furthermore, the side limiting mechanism includes a sliding rod, a side plate and a triggering mechanism. The side plate is arranged at a position on the chassis opposite to the longitudinal baffle. A through hole penetrating horizontally is provided at the bottom of the side plate. The sliding rod is movably matched with the through hole. A transverse groove matched with the sliding rod is provided on the chassis. One end of the triggering mechanism is connected to the sliding rod, and the other end is connected to the movable end of the second driving mechanism. A buffer spring is arranged at one end of the sliding rod away from the triggering mechanism.

[0012] Furthermore, the triggering mechanism includes a straight arm, a straight arm support and a hinge plate. Two straight arm supports are symmetrically arranged on both sides of the sliding rod. Through holes are respectively provided in the two straight arm supports along their lengths. A straight arm is respectively slidably arranged in the holes. One end of the straight arm is fixedly connected to the movable end of the second driving mechanism. The hinge plate is connected to the chassis through a pin rod penetrating through the middle thereof. One end of the hinge plate is hinged to the other end of the straight arm, and the other end of the hinge plate is hinged to the end of the sliding rod.

[0013] Beneficial effects:

[0014] 1. When the vertical hole drill of the present utility model drills holes, the thin-walled part can be clamped and pre-tightened in the vertical direction through the top limiting mechanism. By driving the side limiting mechanism with the horizontal hole drill, the thin-walled part can be clamped and pre-tightened in the horizontal direction synchronously. The automatic clamping and drilling of the thin-walled part can be realized through the present utility model, and the clamping method and strength of the same batch are the same. Using this device can improve the processing efficiency and accuracy.

[0015] 2. By setting an adjustable transverse baffle, the device of the present utility model can adapt to thin-walled parts of different sizes. By adjusting the position of the transverse baffle, the workpiece can be accurately clamped under different processing conditions. This flexibility improves the versatility and application range of the device, and at the same time simplifies the clamping process of the workpiece.

[0016] 3. By setting the top limiting mechanism, the present utility model can effectively limit the thin-walled part in the vertical direction and prevent the movement or deformation of the workpiece during the processing. Through the notch groove design of the pressure rod, workpieces of different thicknesses can be adapted to ensure the stability and accuracy during the processing.

[0017] 4. By setting up the side limiting mechanism, additional lateral stability can be provided to prevent the displacement of thin-walled parts during the machining process. The triggering mechanism is connected to the cross-hole drill. Before drilling, the side limiting mechanism can be driven by the triggering mechanism to laterally clamp and fix the workpiece.

[0018] The utility model integrates the clamping and drilling functions, solves multiple problems in traditional machining methods, improves the machining efficiency and accuracy of thin-walled parts, and provides an innovative solution for the machining of thin-walled parts in the aviation industry. Brief Description of the Drawings

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the vertical hole drill and the top limiting mechanism of the utility model.

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the cross-hole drill of the utility model.

[0022] Figure 4 It is an installation structural schematic diagram of the side limiting mechanism of the utility model.

[0023] Figure 5 It is a partial structural schematic diagram of the triggering mechanism of the utility model.

[0024] Figure 6 It is a schematic diagram of the structure of the aviation thin-walled part before and after drilling.

[0025] In the above drawings: 1: chassis, 2: longitudinal baffle, 3: vertical hole drill, 31: vertical drill bit, 32: first driving mechanism, 33: support frame, 4: cross-hole drill, 41: second driving mechanism, 42: cross drill bit, 5: cross baffle, 6: top limiting mechanism, 61: support plate, 62: guide post, 63: spring, 64: clamping block, 641: chute, 65: pressure rod, 651: slider structure, 66: screw rod, 7: side limiting mechanism, 71: slide rod, 72: side plate, 73: triggering mechanism, 731: straight arm, 732: straight arm support, 733: hinge plate, 734: pin rod, 74: buffer spring. Detailed Embodiment

[0026] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the utility model.

[0027] AsFigure 1 The shown aircraft thin-wall part drilling device includes a chassis 1, which is used to support this device. A longitudinal baffle 2 and a transverse baffle 5 are arranged on the top of the chassis 1. Among them, the longitudinal baffle 2 is fixedly connected to the chassis 1, and the transverse baffle 5 is adjustably connected to the chassis 1 through a pin. The transverse baffle 5 can be adjusted longitudinally along the chassis 1. Vertical hole drills 3 and horizontal hole drills 4 are arranged on both sides of the longitudinal baffle 2. The vertical hole drills 3 and the horizontal hole drills 4 can process the vertical holes and horizontal holes of the thin-wall part respectively. In a preferred embodiment, the transverse baffle 5 is arranged on one side close to the vertical hole drill 3. To facilitate clamping the thin-wall part before drilling, a top limiting mechanism 6 is respectively arranged on the vertical hole drill 3, and a side limiting mechanism 7 is arranged on the horizontal hole drill 4. When drilling, the vertical hole drill 3 gradually approaches the thin-wall part downward, and the top limiting mechanism 6 cooperates with the chassis 1 to first clamp and limit the thin-wall part in the vertical direction. Synchronously, when the horizontal hole drill 4 approaches the thin-wall part, the side limiting mechanism 7 cooperates with the transverse and longitudinal baffles to limit the thin-wall part in the horizontal direction. This device is suitable for drilling and processing thin-wall parts that need to drill holes in two directions, and reference can be made to Figure 6 the shown workpiece drawing. This device aims to improve the processing efficiency of thin-wall parts and reduce operation complexity by integrating the clamping and drilling functions.

[0028] In a specific embodiment, as Figure 1 and Figure 2 the structural schematic diagram of the vertical hole drill 3 shown, it includes a vertical drill bit 31, a first driving mechanism 32 and a support frame 33. The support frame 33 is vertically arranged on the top of the chassis 1. The first driving mechanism 32 is fixedly arranged on the support frame 33. The vertical drill bit 31 is arranged at the movable end of the first driving mechanism 32. The first driving mechanism 32 drives the vertical drill bit 31 to move in the vertical direction. In addition, it should be noted that in this embodiment, there are two vertical drill bits 31. The number of vertical drill bits 31 can be determined according to the number and spacing of the vertical holes. To adapt to the drilling processing of different thin-wall parts, the position of the vertical drill bit 31 can be adjusted. Specifically, reference can be made to Figure 2 , the vertical drill bit 31 is connected to the movable end of the first driving mechanism 32 through a drill bit support. The drill bit support includes a fixed part and a movable part, and the movable part is adjustably connected to the fixed part through bolts.

[0029] Figure 2One structural schematic diagram of the top limiting mechanism 6 is shown, which includes a support plate 61, a guide post 62, a spring 63, a clamping block 64, and a pressure rod 65. The support plate 61 is fixedly arranged at the movable end of the first driving mechanism 32. In one embodiment, the support plate 61 can also be fixedly connected to the fixed part of the drill bit bracket. A vertical hole is provided on the support plate 61. In this embodiment, two vertical holes are provided, and each vertical hole is movably matched with a guide post 62 respectively. The head size of the guide post 62 is larger than the size of the vertical hole. The clamping block 64 is arranged at the lower end of the guide post 62, and the pressure rod 65 is arranged on the clamping block 64. A notch for cooperating with the thin-walled part is provided at the bottom of the pressure rod 65. The spring 63 is sleeved on the guide post 62. The spring 63 includes a first section located between the support plate 61 and the clamping block 64 and a second section located between the support plate 61 and the top end (head) of the guide post 62. The top limiting mechanism 6 runs with the movable end of the first driving mechanism 32. When vertical hole machining is performed, the pressure rod 65 first approaches the thin-walled part and cooperates with the chassis 1 to perform a clamping operation in the vertical direction on it. The spring 63 plays a role of buffering and resetting.

[0030] In a preferred embodiment, the position of the pressure rod 65 can be adjusted. Specifically, refer to Figure 2 , in which, a slider structure 651 is formed at the upper end of the pressure rod 65, and a chute 641 adapted to the slider structure 651 is formed at the corresponding position on the clamping block 64. A screw hole penetrating the top wall is provided in the chute 641, and a screw rod 66 is arranged in the screw hole. By longitudinally adjusting the pressure rod 65, thin-walled parts with more sizes can be adapted.

[0031] In a preferred embodiment, as Figure 3 shown, the cross-hole drill 4 includes a second driving mechanism 41 and a cross drill bit 42. Among them, the second driving mechanism 41 is arranged on the chassis 1, and the cross drill bit 42 is arranged at the movable end of the second driving mechanism 41. The second driving mechanism 41 drives the cross drill bit 42 to move in the horizontal direction to complete cross-hole machining.

[0032] Specifically refer to Figure 4, the side limiting mechanism 7 includes a slide bar 71, a side plate 72 and a trigger mechanism 73. The side plate 72 is arranged at a position on the chassis 1 opposite to the longitudinal baffle 2. The thin-walled part is placed between the longitudinal baffle 2 and the side plate 72, and the thin-walled part is clamped by reducing the distance between the two. A horizontally penetrating through-hole is provided at the bottom of the side plate 72. The slide bar 71 passes through and is movably matched with the through-hole. A transverse groove matched with the slide bar 71 is provided on the chassis 1. The slide bar 71 moves along the transverse groove. The direction of the transverse groove is the same as the moving direction of the second driving mechanism 41, that is, the same as the transverse hole drilling direction. The side plate 72 is driven by the trigger mechanism 73 to realize the clamping operation. Specifically, one end of the trigger mechanism 73 is connected to the slide bar 71, and the other end is connected to the moving end of the second driving mechanism 41. In addition, a buffer spring 74 is provided at the end of the slide bar 71 away from the trigger mechanism 73. One end of the buffer spring 74 abuts against the side plate 72, and the other end abuts against the end of the slide bar 71.

[0033] Reference Figure 5 , the trigger mechanism 73 includes a straight arm 731, a straight arm support 732 and a hinge plate 733. Two straight arm supports 732 are symmetrically arranged on both sides of the slide bar 71. The arrangement direction of the straight arm supports 732 is the same as the moving direction of the second driving mechanism 41. Through-holes penetrating along their lengths are respectively provided on the two straight arm supports 732, and a straight arm 731 is slidably arranged in each hole. One end of the straight arm 731 is fixedly connected to the moving end of the second driving mechanism 41. The hinge plate 733 is hinged to the chassis 1 through a pin rod 734 penetrating through the middle thereof. The hinge plate 733 is in a similar lever structure. One end of it is hinged to the other end of the straight arm 731 away from the second driving mechanism 41. A slotted hole is provided at the other end of the hinge plate 733 along its length direction. A slidable pin shaft is provided in the slotted hole. One end of the pin shaft is fixedly connected to the end of the straight arm 731. The second driving mechanism 41 drives the straight arm 731 to move towards the side plate 72. The straight arm 731 then drives the slide bar 71 to move in the reverse direction through the hinge plate 733. The side plate 72 is driven by the slide bar 71 and the buffer spring 74 to clamp the thin-walled part.

[0034] It should be noted that the second driving mechanism 41 is a lead screw slide table mechanism, which includes a lead screw, a lead screw nut, and a slide rail and a slide table. The moving end of the second driving mechanism 41 refers to the lead screw nut and the slide table. The first driving mechanism 32 can be a linear reciprocating mechanism such as a cylinder or an electric push rod. The moving end of the first driving mechanism 32 is the moving rod of the cylinder or the electric push rod.

[0035] In addition, in this embodiment, there are two transverse drill bits 42, and the longitudinal positions of the transverse drill bits 42 can be adjusted. For example Figure 1 and 3 as shown, a longitudinal slide rail is provided between the fixture for fixing the transverse drill bit 42 and the slide table of the second driving mechanism 41, and the fixture is adjustably connected to the longitudinal slide rail. The number of the transverse drill bits 42 can be increased or decreased according to the actual situation.

[0036] Using this device can not only reduce the steps of clamping and fixing thin-walled parts, but also greatly improve the drilling efficiency and the consistency of drilling in the same batch. Using this device is of great significance for the batch processing of aviation thin-walled parts.

[0037] The above embodiments only represent the preferred embodiments of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations, improvements and substitutions can be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.

Claims

1. A drilling device for aviation thin-walled parts, characterized in that: The invention comprises a base frame (1), wherein a longitudinal baffle (2) and a vertical hole drill (3) and a horizontal hole drill (4) are arranged on the top of the base frame (1), and a horizontal baffle (5) is arranged perpendicular to the setting direction of the longitudinal baffle (2) on the side close to the vertical hole drill (3). A top limiting mechanism (6) is arranged on the vertical hole drill (3), and a side limiting mechanism (7) is arranged on the horizontal hole drill (4). The longitudinal baffle (2), the horizontal baffle (5) and the side limiting mechanism (7) limit the horizontal position of the thin-walled part, and the top limiting mechanism (6) cooperates with the base frame (1) to limit the vertical position of the thin-walled part.

2. The drilling device for aviation thin-walled parts according to claim 1, characterized in that: The transverse baffle (5) is connected to the base frame (1) via pins, and the position of the transverse baffle (5) can be adjusted along the longitudinal direction of the base frame (1).

3. The drilling device for aviation thin-walled parts according to claim 1, characterized in that: The vertical hole drill (3) comprises a vertical drill bit (31), a first driving mechanism (32) and a support frame (33); the support frame (33) is vertically arranged on the top of the base frame (1); the first driving mechanism (32) is arranged on the support frame (33); the vertical drill bit (31) is arranged at the movable end of the first driving mechanism (32); and the first driving mechanism (32) drives the vertical drill bit (31) to move in a vertical direction.

4. The drilling device for aviation thin-walled parts according to claim 3, characterized in that: The top limiting mechanism (6) comprises a support plate (61), a guide column (62), a spring (63), a block (64) and a pressure rod (65); the support plate (61) is arranged at the movable end of the first driving mechanism (32); a vertical hole is arranged on the support plate (61); the guide column (62) is movably matched with the vertical hole; the block (64) is arranged at the lower end of the guide column (62); the pressure rod (65) is arranged on the block (64); a groove matching with the thin-walled part is arranged at the bottom of the pressure rod (65); the spring (63) is sleeved on the guide column (62); the spring (63) comprises a first section located between the support plate (61) and the block (64) and a second section located between the support plate (61) and the top of the guide column (62); the top limiting mechanism (6) moves with the movable end of the first driving mechanism (32) and can press the top of the thin-walled part.

5. The drilling device for aviation thin-walled parts according to claim 4, characterized in that: A slider structure (651) is formed at the upper end of the pressure rod (65), and a slide groove (641) adapted to the slider structure (651) is formed on the clamping block (64), and a screw hole penetrating through the top wall of the slide groove (641) is provided in the slide groove (641), and a screw rod (66) is provided in the screw hole.

6. The drilling device for aviation thin-walled parts according to any one of claims 1 to 5, characterized in that: The horizontal hole drill (4) comprises a second driving mechanism (41) arranged on a base frame (1) and a horizontal drill bit (42) arranged at a movable end of the second driving mechanism (41); the second driving mechanism (41) drives the horizontal drill bit (42) to move in a horizontal direction.

7. The drilling device for aviation thin-walled parts according to claim 6, characterized in that: The second driving mechanism (41) is a screw slide mechanism.

8. The drilling device for aviation thin-walled parts according to claim 7, characterized in that: The side limiting mechanism (7) comprises a slide bar (71), a side plate (72) and a trigger mechanism (73); the side plate (72) is arranged on the base frame (1) at a position opposite to the longitudinal baffle (2); a horizontal through hole is arranged at the bottom of the side plate (72); the slide bar (71) is movably matched with the through hole; a transverse groove matching with the slide bar (71) is arranged on the base frame (1); one end of the trigger mechanism (73) is connected to the slide bar (71) and the other end is connected to the movable end of the second driving mechanism (41); a buffer spring (74) is arranged at one end of the slide bar (71) away from the trigger mechanism (73).

9. The drilling device for aviation thin-walled parts according to claim 8, characterized in that: The trigger mechanism (73) comprises a straight arm (731), a straight arm support (732) and a hinge plate (733). Two straight arm supports (732) are symmetrically arranged along the two sides of the slide bar (71). The two straight arm supports (732) are respectively provided with through holes along their length directions. A straight arm (731) is slidably arranged in each of the holes. One end of the straight arm (731) is fixedly connected to the movable end of the second driving mechanism (41). The hinge plate (733) is connected to the base frame (1) via a pin rod (734) that passes through the middle thereof. One end of the hinge plate (733) is hinged to the other end of the straight arm (731), and the other end of the hinge plate (733) is hinged to the end of the slide bar (71).

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