Brake disc punching and positioning tool

Abstract

The utility model belongs to the field of positioning tools, and particularly relates to a brake disc punching positioning tool which comprises a base plate, the upper end of the base plate is fixedly connected with two inverted-T-shaped supporting columns, the tops of the two inverted-T-shaped supporting columns are jointly connected with a workpiece supporting ring in a sliding mode, and an inner clamping mechanism is arranged on the inner side of the workpiece supporting ring. A gear ring is fixedly connected to the outer side of the workpiece supporting ring, and a servo motor is fixedly mounted on the right side of the upper end of the chassis. By arranging the annular workpiece supporting ring, a workpiece can be placed on the workpiece supporting ring, in addition, an inner clamping mechanism is arranged on the inner side of the workpiece supporting ring, a threaded rod is rotated through a rotary knob, so that a push block at the bottom of the threaded rod moves downwards, a slope block is extruded, the slope block receives transverse thrust, and the workpiece is clamped in the workpiece supporting ring. And the clamping sleeve on the same sliding rod with the inclined surface block moves synchronously, so that the workpiece is clamped and positioned from the inner side, and the machining surface of the workpiece cannot be blocked.

Description

Technical Field

[0001] The utility model relates to the field of positioning tooling, in particular to a brake disc drilling positioning tooling. Background Art

[0002] There are many holes on the surface of the brake disc and a plurality of grooves on the edge of the brake disc, which are air channels. In the process of drilling holes in the brake disc, a positioning tool is required, such as the utility model patent with authorization announcement number CN212329744U. It proposes a drilling tool for a brake disc, including a fixed chassis, and three annularly distributed clamping arc plates are slidably connected to the surface of the fixed chassis, and three adjusting screws for controlling the sliding of the clamping arc plates are screwed to the side walls of the fixed chassis, and three equidistantly distributed limit pins are fixedly connected to the side of the clamping arc plate close to the limit groove, and a plurality of guide holes are opened on the surface of the positioning top plate.

[0003] However, the existing brake disc drilling and positioning tooling will clamp the processing surface of the workpiece when in use, affecting the processing, and because the holes on the brake disc are distributed in a circular array, it needs to be frequently replaced after processing, which is inconvenient. Therefore, it needs to be improved. Summary of the invention

[0004] The purpose of the utility model is to provide a brake disc drilling and positioning tool, which solves the problem that the existing brake disc drilling and positioning tool will clamp the processing surface of the workpiece when in use, affecting the processing, and at the same time solves the problem that the holes on the brake disc are distributed in a circular array, which requires frequent repositioning after processing and is relatively inconvenient.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a brake disc punching and positioning tool, comprising a chassis, two convex support columns are fixedly connected to the upper end of the chassis, and the tops of the two convex support columns are slidably connected to a workpiece support ring, an inner clamping mechanism is provided on the inner side of the workpiece support ring, a gear ring is fixedly connected to the outer side of the workpiece support ring, a servo motor is fixedly installed on the right side of the upper end of the chassis, a driving gear is fixedly connected to the end of the output shaft of the servo motor, and a meshing transmission connection is formed between the driving gear and the gear ring.

[0006] The workpiece support ring is annular and has an annular groove, which is convenient for accommodating the drilling bit after it passes through the workpiece.

[0007] Preferably, a support seat is fixedly connected to the upper end of the chassis, a ball is arranged on the top of the support seat, and the ball contacts the workpiece support ring. The support seat and the ball provide auxiliary support for the workpiece support ring.

[0008] Preferably, the inner clamping mechanism comprises a plurality of fixed rods fixedly connected to the inner side of the workpiece support ring, a hollow shell is fixedly connected between the plurality of fixed rods, a sliding rod is slidably connected inside the hollow shell, a clamping sleeve is fixedly connected to one end of the sliding rod, a ramp block is fixedly connected to the other end of the sliding rod, a spring is sleeved outside the rod body of the sliding rod, a threaded rod is threadedly connected to the inner side of the upper end of the hollow shell, a push block is fixedly connected to the lower end of the threaded rod, and the push block abuts against the ramp block. By setting the inner clamping mechanism, the workpiece can be clamped and positioned from the inside without affecting the drilling of the workpiece.

[0009] Preferably, one end of the spring is fixedly connected to the ramp block, and the other end of the spring is fixedly connected to the inner surface of the hollow shell. By setting the spring, the elastic force can act on the jacket through the ramp block.

[0010] Preferably, the inner wall of the hollow shell is fixedly connected with a guide rod, and the guide rod is slidably connected with the inclined surface block. The setting of the guide rod has a guiding effect on the lateral movement of the slide rod.

[0011] Preferably, a knob is fixedly connected to the top of the threaded rod, and the knob is made of plastic. The arrangement of the knob facilitates the rotation of the threaded rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model provides an annular workpiece support ring on which the workpiece can be placed. In addition, an inner clamping mechanism is provided on the inner side of the workpiece support ring, wherein the threaded rod is rotated by a knob so that a push block at the bottom of the threaded rod moves downward and squeezes the inclined surface block so that the inclined surface block receives a lateral thrust and a sleeve on the same slide rod as the inclined surface block moves synchronously, thereby clamping and positioning the workpiece from the inner side without blocking the processing surface of the workpiece.

[0014] 2. The utility model arranges a gear ring on the outside of the workpiece support ring, and arranges a convex support column and a support seat below the workpiece support ring, and then arranges a driving gear driven by a servo motor on the right side thereof, so that the workpiece support ring can rotate, thereby driving the clamped workpiece to rotate synchronously, thereby realizing the continuity of the workpiece drilling operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For the utility model Figure 1 The local structure of the three-dimensional Figure 1 ;

[0017] Figure 3For the utility model Figure 1 The local structure of the three-dimensional Figure 2 ;

[0018] Figure 4 For the utility model Figure 1 Front cross-sectional view of .

[0019] In the figure: 1, chassis; 2, embossed support column; 3, workpiece support ring; 4, inner clamping mechanism; 5, gear ring; 6, servo motor; 7, driving gear; 8, support seat; 9, ball; 41, fixing rod; 42, hollow shell; 43, sliding rod; 44, jacket; 45, inclined block; 46, spring; 47, guide rod; 48, threaded rod; 49, push block; 410, knob. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 A brake disc drilling and positioning tool comprises a chassis 1, wherein two convex support columns 2 are fixedly connected to the upper end of the chassis 1, and a workpiece support ring 3 is slidably connected to the tops of the two convex support columns 2, and the workpiece support ring 3 is in a circular ring shape and is provided with an annular groove. The provision of the annular groove facilitates the accommodation of the drilling drill after it penetrates the workpiece, a gear ring 5 is fixedly connected to the outer side of the workpiece support ring 3, a servo motor 6 is fixedly installed on the right side of the upper end of the chassis 1, and a driving gear 7 is fixedly connected to the end of the output shaft of the servo motor 6, and a meshing transmission connection is formed between the driving gear 7 and the gear ring 5. A support seat 8 is fixedly connected to the upper end of the chassis 1, and a ball 9 is provided on the top of the support seat 8, and the ball 9 is in conflict with the workpiece support ring 3. The provision of the support seat 8 and the ball 9 provides auxiliary support for the workpiece support ring 3.

[0022] See also Figure 1 , Figure 4An inner clamping mechanism 4 is provided on the inner side of the workpiece support ring 3. Through the setting of the inner clamping mechanism 4, the workpiece can be clamped and positioned from the inside without affecting the drilling of the workpiece. The inner clamping mechanism 4 includes a plurality of fixed rods 41 fixedly connected to the inner side of the workpiece support ring 3. A hollow shell 42 is fixedly connected between the plurality of fixed rods 41. A slide rod 43 is slidably connected inside the hollow shell 42. A sleeve 44 is fixedly connected to one end of the slide rod 43. A ramp block 45 is fixedly connected to the other end of the slide rod 43. A spring 46 is sleeved on the outer side of the rod body of the slide rod 43. A threaded rod 48 is threadedly connected to the inside of the upper end of the hollow shell 42. A push block 49 is fixedly connected to the lower end of the threaded rod 48. The push block 49 abuts against the ramp block 45.

[0023] See also Figure 4 One end of the spring 46 is fixedly connected to the inclined surface block 45, and the other end of the spring 46 is fixedly connected to the inner surface of the hollow shell 42. Through the setting of the spring 46, the elastic force can be applied to the jacket 44 through the inclined surface block 45. The inner wall of the hollow shell 42 is fixedly connected with a guide rod 47, and the guide rod 47 is slidably connected with the inclined surface block 45. The setting of the guide rod 47 has a guiding effect on the lateral movement of the slide bar 43. The top of the threaded rod 48 is fixedly connected with a knob 410, and the knob 410 is made of plastic. The setting of the knob 410 facilitates the rotation of the threaded rod 48.

[0024] The specific implementation process of the utility model is as follows: when in use, first place the workpiece on the workpiece support ring 3, then rotate the threaded rod 48 through the knob 410, so that the push block 49 at the bottom of the threaded rod 48 moves downward, and then the push block 49 squeezes the bevel block 45, so that the bevel block 45 receives a lateral thrust, and the sleeve 44 on the same slide rod 43 as the bevel block 45 moves synchronously, so that the workpiece is clamped and positioned from the inside without blocking the processing surface of the workpiece, and then the servo motor 6 drives the driving gear 7 to rotate, and the driving gear 7 drives the workpiece support ring 3 to rotate and change position through cooperation with the gear ring 5, thereby driving the clamped workpiece to rotate synchronously, thereby realizing the continuity of the workpiece drilling operation.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A brake disc drilling and positioning tool, comprising a chassis (1), characterized in that: Two convex support columns (2) are fixedly connected to the upper end of the chassis (1), and the tops of the two convex support columns (2) are slidably connected to a workpiece support ring (3), an inner clamping mechanism (4) is provided on the inner side of the workpiece support ring (3), and a gear ring (5) is fixedly connected to the outer side of the workpiece support ring (3). A servo motor (6) is fixedly installed on the right side of the upper end of the chassis (1), and a driving gear (7) is fixedly connected to the end of the output shaft of the servo motor (6), and a meshing transmission connection is formed between the driving gear (7) and the gear ring (5).

2. A brake disc drilling and positioning tool according to claim 1, characterized in that: The workpiece support ring (3) is in the shape of a ring and is provided with a ring groove.

3. The brake disc drilling and positioning tool according to claim 1, characterized in that: The upper end of the chassis (1) is fixedly connected to a support seat (8), a ball (9) is arranged on the top of the support seat (8), and the ball (9) abuts against the workpiece support ring (3).

4. The brake disc drilling and positioning tool according to claim 1, characterized in that: The inner clamping mechanism (4) comprises a plurality of fixed rods (41) fixedly connected to the inner side of the workpiece support ring (3), a hollow shell (42) being fixedly connected between the plurality of fixed rods (41), a sliding rod (43) being slidably connected inside the hollow shell (42), a clamping sleeve (44) being fixedly connected to one end of the sliding rod (43), a ramp block (45) being fixedly connected to the other end of the sliding rod (43), a spring (46) being sleeved on the outer side of the rod body of the sliding rod (43), a threaded rod (48) being threadedly connected to the inner side of the upper end of the hollow shell (42), a push block (49) being fixedly connected to the lower end of the threaded rod (48), and the push block (49) being in contact with the ramp block (45).

5. A brake disc drilling and positioning tool according to claim 4, characterized in that: One end of the spring (46) is fixedly connected to the inclined surface block (45), and the other end of the spring (46) is fixedly connected to the inner surface of the hollow shell (42).

6. The brake disc drilling and positioning tool according to claim 4, characterized in that: A guide rod (47) is fixedly connected to the inner wall of the hollow shell (42), and the guide rod (47) is slidably connected to the inclined surface block (45).

7. The brake disc drilling and positioning tool according to claim 4, characterized in that: A knob (410) is fixedly connected to the top of the threaded rod (48), and the knob (410) is made of plastic.

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