A hole position detection tool for special-shaped workpieces

Abstract

A hole position detection tool for a special-shaped workpiece, the lower part of the special-shaped workpiece is made into an arched bend, the middle side wall of the arched bend is integrally provided with a vertical surface bent upward, and the arched bend and the vertical surface are both provided with a plurality of reserved holes; the hole position detection tool comprises a base plate, an arched door frame and a sliding support plate, wherein the top of the base plate is fixedly provided with an arched door frame matched and supported on the bottom of the arched bend, and the top surface of the base plate is fixedly provided with a linear guide rail, and the linear guide rail is slidably connected with a sliding support plate matched and supported on the side wall of the vertical surface; the base plate, the sliding support plate and the arched door frame are all fixedly provided with a plurality of positioning columns inserted and positioned inside the reserved holes. The hole position detection tool can accurately locate a plurality of reserved holes on a special-shaped workpiece, effectively improving the hole position detection and processing efficiency of batch-processed workpieces.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical tooling, and in particular to a hole position detection tool for a special-shaped workpiece. Background Art

[0002] In the field of workpiece machining, drilling is one of the most common machining operations. It is well known that the hole position and hole diameter on the workpiece need to be accurately located before drilling. However, when locating and verifying the holes of special-shaped workpieces, manual measurement is often required, and precise measurement is performed by measuring equipment. Finally, marks are made on the workpiece to improve the accuracy of drilling and hole verification.

[0003] However, when processing special-shaped workpieces in large quantities, positioning before drilling and hole position verification after drilling become more cumbersome, so batch inspection tooling for such special-shaped workpieces came into being.

[0004] Through public patent search, the following comparative documents were found:

[0005] A hole position detection tool for automobile parts (CN209726973U) discloses a hole position detection tool for automobile parts, including a base plate and a plurality of positioning detection mechanisms fixed on the base plate, wherein the positioning detection mechanism includes a first positioning part, a second positioning part and a third positioning part, the first positioning part, the second positioning part and the third positioning part are arranged along the central axis, the upper ends of the first positioning part and the second positioning part form a supporting surface adapted to the bottom supported surface of the main body of the detected part, and there is a detection hole on the supporting surface, the third positioning part includes a fixed clamping part and a movable clamping part, and a clamping hole for clamping the front end columnar part of the detected part between the fixed clamping part and the movable clamping part: the movable clamping part is connected to a linear guide rail configured at the bottom to realize relative movement relative to the fixed clamping part. The invention facilitates positioning operation detection.

[0006] After analysis, it is found that the tooling positioning structures and positioning methods in the above-mentioned patents are different, and therefore do not affect the novelty of the present application. Summary of the invention

[0007] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a hole position detection tool for special-shaped workpieces, which can accurately locate multiple reserved holes on special-shaped workpieces, effectively improving the hole position detection and processing efficiency of batch processed workpieces.

[0008] A hole position detection tool for a special-shaped workpiece, the lower part of the special-shaped workpiece is made into an arched bend, the middle side wall of the arched bend is integrally provided with a vertical surface bent upward, and a plurality of reserved holes are formed on the arched bend and the vertical surface; the hole position detection tool comprises a base plate, an arched door frame and a sliding support plate, wherein the top of the base plate is fixedly provided with an arched door frame that is supported on the bottom of the arched bend, and the top surface of the base plate is fixedly provided with a linear guide rail, and the linear guide rail is slidably connected with a sliding support plate that is supported on the side wall of the vertical surface; the base plate, the sliding support plate and the arched door frame are all fixedly provided with a plurality of positioning columns that are inserted and positioned inside the reserved holes.

[0009] Moreover, quick clamps are fixedly installed on the bottom plates on both sides of the arched door frame, and the quick clamps press and fix the bottom of the arched bend with the top surface of the bottom plate.

[0010] Moreover, the sliding support plate includes a bottom slide, a vertical plate and a reinforcing plate, wherein the bottom slide is slidably connected to the linear guide rail, and the reinforcing plate and the vertical plate are fixedly installed on the top surface of the bottom slide; the side wall of the reinforcing plate is fixedly connected to the side wall of the vertical plate.

[0011] Moreover, a limit frame is fixedly installed on the top surface of the base plate, which is arranged parallel to the arched door frame, and the upper part of the limit frame slides axially and penetrates and connects with the limit bolt; the nut end of the limit bolt is limited by the side wall of the limit frame, and the threaded end of the limit bolt is threadedly connected to the side wall of the bottom slide seat.

[0012] The advantages and technical effects of the present invention are:

[0013] The present invention provides a hole position detection tool for a special-shaped workpiece, which provides fitting support at the arched bend of the special-shaped workpiece through an arched gantry, provides pressing and fixing of the bottom of the special-shaped workpiece and the base plate through a quick clamp, provides fitting support for the vertical surface of the special-shaped workpiece through a vertical plate of a sliding support plate, and finally penetrates and positions the reserved holes on the special-shaped workpiece by multiple positioning columns arranged on the base plate, the arched gantry and the vertical surface to detect the hole position accuracy of the reserved holes.

[0014] The hole position detection tooling of a special-shaped workpiece of the present invention is connected to a sliding support plate by sliding a linear guide rail, and the spacing between the sliding support plate and the arched door frame is adjusted by adjusting the tightening position of the limit bolt. On the one hand, it is suitable for hole position detection of special-shaped workpieces with different sizes and curvatures, and on the other hand, it also facilitates the disassembly and assembly of the special-shaped workpiece on the hole position detection tooling.

[0015] The hole position detection tool for special-shaped workpieces of the present invention effectively reduces the measurement difficulty of hole position detection of large quantities of special-shaped workpieces, improves detection efficiency, and has a simple structure, low cost, and high detection accuracy. It is a hole position detection tool for special-shaped workpieces with high creativity. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a front view of the present invention;

[0017] Figure 2 is a side view of the present invention;

[0018] Figure 3 for Figure 1 Sectional view of section AA;

[0019] Figure 4 A perspective view of the present invention;

[0020] In the figure: 1-vertical surface; 2-positioning column; 3-arch bend; 4-arch door frame; 5-quick clamp; 6-base plate; 7-limit frame; 8-limit bolt; 9-linear guide rail; 10-bottom slide seat; 11-reinforcement plate; 12-vertical plate. DETAILED DESCRIPTION

[0021] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings. It should be noted that the embodiments are illustrative, not restrictive, and the protection scope of the present invention cannot be limited thereby.

[0022] A hole position detection tool for a special-shaped workpiece, the lower part of the special-shaped workpiece is made into an arched bend 3, the middle side wall of the arched bend is integrally provided with a vertical surface 1 bent upward, and a plurality of reserved holes are formed on the arched bend and the vertical surface; the hole position detection tool comprises a base plate 6, an arched door frame 4 and a sliding support plate, wherein the top of the base plate is fixedly provided with an arched door frame that is supported on the bottom of the arched bend, and the top surface of the base plate is fixedly provided with a linear guide rail 9, and the linear guide rail is slidably connected with a sliding support plate that is supported on the side wall of the vertical surface; the base plate, the sliding support plate and the arched door frame are all fixedly provided with a plurality of positioning columns 2 that are inserted and positioned inside the reserved holes.

[0023] Moreover, quick clamps 5 are fixedly mounted on the bottom plates on both sides of the arched door frame, and the quick clamps press and fix the bottom of the arched bend to the top surface of the bottom plate.

[0024] Moreover, the sliding support plate includes a bottom slide 10, a vertical plate 12 and a reinforcing plate 11, wherein the bottom slide is slidably connected to the linear guide rail, and the reinforcing plate and the vertical plate are fixedly installed on the top surface of the bottom slide; the side wall of the reinforcing plate is fixedly connected to the side wall of the vertical plate.

[0025] Moreover, a limit frame 7 is fixedly installed on the top surface of the base plate, which is arranged parallel to the arched door frame, and the upper part of the limit frame slides axially and penetrates and connects with a limit bolt 8; the nut end of the limit bolt is limited by the side wall of the limit frame, and the threaded end of the limit bolt is threadedly connected to the side wall of the bottom slide seat.

[0026] In addition, the present invention preferably uses a mature product in the prior art as the quick clamp, and the model is preferably a CH-12130 manual quick clamp.

[0027] In order to more clearly illustrate the specific implementation mode of the present invention, an embodiment is provided below:

[0028] The hole position detection tooling of a special-shaped workpiece of the present invention needs to adjust the limit bolts according to the width of the arch bend of the special-shaped workpiece before detection, and then adjust the maximum sliding distance of the bottom slide on the linear guide rail, and then plug the special-shaped workpiece on the arched door frame, so that the positioning columns on the floor and the arched door frame are inserted into the limit holes of the special-shaped workpiece, and finally tighten the limit bolts to slide the sliding support plate in the direction of the arched door frame until the positioning columns on the vertical plate are inserted into the reserved holes on the vertical surface. Finally, when all the positioning columns can be cooperated and penetrated and installed in the reserved holes of the special-shaped workpiece, the reserved hole positions of the special-shaped workpiece are determined to be qualified, and then the limit bolts are loosened to slide the sliding support plate in the direction away from the arched door frame, so as to facilitate the removal of the special-shaped workpiece from the detection tooling.

[0029] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A hole position detection tool for a special-shaped workpiece, wherein the lower part of the special-shaped workpiece is formed into an arched bend, a vertical surface bent upward is integrally formed on the middle side wall of the arched bend, and a plurality of reserved holes are formed on the arched bend and the vertical surface; Features: The hole position detection tooling includes a base plate, an arched door frame and a sliding support plate, wherein the top of the base plate is fixedly equipped with an arched door frame that is supported on the bottom of the arched bend, and a linear guide is fixedly installed on the top surface of the base plate, and a sliding support plate that is supported on the side wall of the vertical surface is slidably connected to the linear guide; the base plate, the sliding support plate and the arched door frame are all fixedly equipped with a plurality of positioning columns that are inserted and positioned inside the reserved holes; The bottom plates on both sides of the arched door frame are fixed with quick clamps, which press and fix the bottom of the arched bend with the top surface of the bottom plate; The sliding support plate includes a bottom slide, a vertical plate and a reinforcing plate, wherein the bottom slide is slidably connected to the linear guide rail, and the reinforcing plate and the vertical plate are fixedly mounted on the top surface of the bottom slide; the side wall of the reinforcing plate is fixedly connected to the side wall of the vertical plate; A limiting frame is fixedly installed on the top surface of the base plate, and the limiting frame is arranged parallel to the arched door frame, and the upper part of the limiting frame slides axially and penetrates and connects with the limiting bolt; the nut end of the limiting bolt is limited by the side wall of the limiting frame, and the threaded end of the limiting bolt is threadedly connected to the side wall of the bottom slide seat.

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