Automobile brake disc machining punching device

Abstract

The utility model discloses an automobile brake disc processing and punching device, which relates to the technical field of automobile accessory processing, and comprises a punching base, the punching base is positioned below a punching drill bit on a punching machine, and the top of an inner cavity of the punching base is provided with a limiting groove. Long connecting rods and short connecting rods are slidably connected to inner cavities of the limiting grooves, the long connecting rods and the short connecting rods are arranged in a circumferential staggered mode with the punching base as the circle center, one end of each long connecting rod is fixedly connected with an outer clamping arc plate, and one end of each short connecting rod is fixedly connected with an inner clamping arc plate. The outer clamping arc plate and the inner clamping arc plate are attached to the outer periphery and the inner periphery of the brake disc respectively, elastic buffering of the rubber block is combined, clamping force can be evenly dispersed, deformation or displacement of the brake disc is avoided, punching precision is guaranteed, the long connecting rod and the short connecting rod are matched with the telescopic mechanism, synchronous reverse stretching or contracting can be achieved, and the brake disc punching device is automatically matched with brake discs of different diameters. Therefore, the production efficiency is obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile accessory processing technical field especially relates to a kind of automobile brake disc processing punching device. BACKGROUND

[0002] Automobile brake disc as the core component of vehicle braking system, its surface punching precision directly influences heat dissipation performance and braking effect.

[0003] The existing punching device is mostly fixed clamp positioning brake disc, and the adaptability to different sizes of brake disc is poor, and the replacement of clamp leads to low processing efficiency, part of clamp can be adapted to brake disc of different diameters, but only the periphery of brake disc can be clamped, and brake disc is generally annular, with hollow inner circle in the middle, and the mode of only clamping periphery is difficult to adapt to the complex inner and outer curved surface structure of brake disc, displacement or deformation is easily generated, so as to cause punching positioning precision to be insufficient. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of automobile brake disc processing punching device to solve the problem that the mode of only clamping periphery is difficult to adapt to the complex inner and outer curved surface structure of brake disc and displacement or deformation is easily generated.

[0005] In order to solve the prior art problems, the technical scheme of the utility model is as follows: a kind of automobile brake disc processing punching device, including punching base, the punching base is located below punching drill bit of puncher, the top of the inner chamber of the punching base is provided with limiting slot, the inner chamber of limiting slot is slidably connected with long connecting rod and short connecting rod, long connecting rod and short connecting rod are arranged in circle with punching base as center, one end of long connecting rod is fixedly connected with outer clamping arc plate, one end of short connecting rod is fixedly connected with inner clamping arc plate, the inner chamber of the punching base is provided with telescopic mechanism, for driving long connecting rod and short connecting rod synchronous reverse extension or contraction.

[0006] Preferably, the inner curvature of the outer clamping arc plate is matched with the periphery curvature of the brake disc, the outer curvature of the inner clamping arc plate is matched with the inner circumference curvature of the brake disc, the inner side of the outer clamping arc plate and the outer side of the inner clamping arc plate are fixedly connected with rubber block.

[0007] Preferably, the telescopic mechanism includes telescopic gear, the outer wall of telescopic gear is rotatably connected with the inner chamber of the punching base, the inner chamber of the punching base drives telescopic gear to rotate through driving assembly, the top of telescopic gear is provided with sliding slot, the inner wall of sliding slot is slidably connected with sliding bolt, the top of sliding bolt is fixedly connected with one end of long connecting rod and short connecting rod, the driving assembly includes motor, the bottom of motor is fixedly connected with the bottom of the inner chamber of the punching base, one end of motor output shaft is fixedly connected with transmission gear through shaft coupling, transmission gear is engaged with telescopic gear.

[0008] Preferably, the number of sliding grooves is the same as the total number of long connecting rods and short connecting rods, the inclination directions of the sliding grooves connected with the long connecting rods and the sliding grooves connected with the short connecting rods are symmetrical, the symmetrical sliding grooves are circumferentially arranged, the sliding grooves connected with the long connecting rods are inclined downward in a clockwise direction, and the sliding grooves connected with the short connecting rods are inclined upward in the clockwise direction.

[0009] Compared with the prior art, the utility model has the advantages that:

[0010] 1、The utility model discloses a punch base is provided with outer clamping arc plate and inner clamping arc plate, and the outer clamping arc plate and the inner clamping arc plate are respectively attached to the outer periphery and the inner periphery arc of the brake disc, and the elastic buffer of rubber block is combined, can evenly distribute the clamping force, avoid the deformation or displacement of the brake disc, ensure the punching precision.

[0011] 2、The utility model discloses a punch base, which is provided with long connecting rods, short connecting rods and a telescopic mechanism, and the long connecting rods, the short connecting rods and the telescopic mechanism are matched, can be synchronously and reversely extended or contracted, automatically adapt to brake discs of different diameters, do not need to replace the clamp, and the production efficiency is significantly improved.

[0012] 3、The utility model discloses a punch base, which is provided with a motor, a transmission gear and a telescopic gear, the motor drives the transmission gear to rotate, the transmission gear drives the telescopic gear to rotate, the telescopic gear drives the long connecting rods and the short connecting rods to move synchronously, the long connecting rods and the short connecting rods are matched with the sliding grooves and the sliding bolts, the synchronous movement of the connecting rods is realized, manual intervention is reduced, and the processing efficiency and safety are improved. DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a structure schematic view of the punch base of the utility model;

[0015] Figure 3 It is a structure schematic view of the long connecting rod of the utility model;

[0016] Figure 4 It is a structure schematic view of the telescopic gear of the utility model;

[0017] Figure 5 It is a structure schematic view of the limiting groove of the utility model;

[0018] Figure 6 It is a structure schematic view of the transmission gear of the utility model.

[0019] In the drawing mark, 1, punch base, 2, limiting groove, 3, long connecting rod, 4, short connecting rod, 5, outer clamping arc plate, 6, inner clamping arc plate, 7, rubber block, 8, telescopic gear, 9, sliding groove, 10, sliding bolt, 11, motor, 12, transmission gear. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments.

[0021] Please refer to Figures 1-6 A kind of automobile brake disc processing punching device, including punching base 1, punching base 1 provides support and installation foundation for the whole device, is the bearing platform of other components, its inner cavity is used to install telescopic mechanism, long connecting rod 3 and short connecting rod 4 etc., the limiting groove 2 of top is the sliding of long connecting rod 3 and short connecting rod 4 with orientation guaranteeing the relative position stability of the components of device, so that the whole device can orderly run, provide stable basis for the positioning and punching operation of brake disc, punching base 1 is located below punching drill bit on punch press, punch press is connected with external power supply, for prior art, it is the machine that is punched to automobile brake disc, the top of the inner cavity of punching base 1 is provided with limiting groove 2, the inner cavity of limiting groove 2 is slidably connected with long connecting rod 3 and short connecting rod 4, long connecting rod 3 one end is connected with outer clamping arc plate 5, short connecting rod 4 one end is connected with inner clamping arc plate 6, they are slid in limiting groove 2 under the drive of telescopic mechanism, realize the synchronous reverse motion of outer clamping arc plate 5 and inner clamping arc plate 6, to complete the clamping and loosening action to brake disc, through the collaborative work of long, short connecting rod 4, realize the linkage of outer clamping arc plate 5 and inner clamping arc plate 6, so that the device can adapt to brake disc of different sizes, improve the versatility and adaptability of device, long connecting rod 3 and short connecting rod 4 are arranged in circle with punching base 1 as center, one end of long connecting rod 3 is fixedly connected with outer clamping arc plate 5, one end of short connecting rod 4 is fixedly connected with inner clamping arc plate 6, the inner curvature of outer clamping arc plate 5 is under the drive of long, short connecting rod 4, respectively from the periphery and inner periphery of brake disc, clamps it, ensure that brake disc does not displace in punching process, provide uniform clamping force, guarantee the stability of brake disc when punching, so as to improve the precision and quality of punching, the inner cavity of punching base 1 is provided with telescopic mechanism, for driving long connecting rod 3 and short connecting rod 4 synchronous reverse extension or contraction.

[0022] Please refer to Figures 2-3The inner arc of the outer clamping arc plate 5 is matched with the outer arc of the brake disc, the outer arc of the inner clamping arc plate 6 is matched with the inner arc of the brake disc, the inner side of the outer clamping arc plate 5 and the outer side of the inner clamping arc plate 6 are fixedly connected with rubber blocks 7, the rubber blocks 7 play a buffering role when clamping the brake disc, avoiding rigid contact between the outer clamping arc plate 5 and the inner clamping arc plate 6 and the brake disc, reducing the damage to the surface of the brake disc, at the same time, the rubber blocks 7 increase the friction between the brake disc, making the clamping more reliable, protecting the surface quality of the brake disc, reducing the scratches, dents and other defects that may be caused during the clamping process, and improving the yield of the product.

[0023] Please refer to Figures 3-6 The telescopic mechanism includes a telescopic gear 8, the outer wall of the telescopic gear 8 is rotatably connected with the inner cavity of the punching base 1, the inner cavity of the punching base 1 drives the telescopic gear 8 to rotate through a driving assembly, the top of the telescopic gear 8 is provided with a sliding groove 9, the inner wall of the sliding groove 9 is slidably connected with a sliding bolt 10, the top of the sliding bolt 10 is fixedly connected with the long connecting rod 3 and one end of the short connecting rod 4, the driving assembly includes a motor 11, the motor 11 is connected with an external power supply and is a three-phase asynchronous motor, providing power, and the power is transmitted to the telescopic gear 8 through a transmission gear 12, so that the telescopic gear 8 rotates to provide power source for the operation of the telescopic mechanism, ensuring that the device can work according to the predetermined mode and speed, realizing the automatic operation of the device, the bottom of the motor 11 is fixedly connected with the bottom of the inner cavity of the punching base 1, one end of the output shaft of the motor 11 is fixedly connected with the transmission gear 12 through a shaft coupling, the transmission gear 12 is engaged with the telescopic gear 8, and through the cooperation of the long connecting rod 3, the short connecting rod 4 and the telescopic mechanism, it can be synchronously and reversely extended or retracted, automatically adapting to brake discs of different diameters, without the need to replace the clamp, significantly improving the production efficiency.

[0024] Please refer to Figures 3-4, the number of sliding grooves 9 is the same as the total number of long connecting rods 3 and short connecting rods 4, the inclined directions of the sliding grooves 9 connected by the long connecting rods 3 and the sliding grooves 9 connected by the short connecting rods 4 are symmetrical, the symmetrical sliding grooves 9 are circumferentially arranged, the sliding grooves 9 connected by the long connecting rods 3 are inclined downward clockwise, and the sliding grooves 9 connected by the short connecting rods 4 are inclined upward clockwise When the expansion gear 8 rotates, the inclined design of the sliding grooves 9 enables the sliding bolt 10 to move in the groove, thereby driving the long connecting rods 3 and the short connecting rods 4 to move Through the ingenious mechanical structure design, the rotary motion of the expansion gear 8 is converted into the linear motion of the long connecting rods 3 and the short connecting rods 4, realizing the synchronous reverse motion of the outer clamping arc plate 5 and the inner clamping arc plate 6, which is the key structure of the device to realize the self-adaptive clamping function The motor 11 drives the expansion gear 8 to rotate through the transmission gear 12, and the synchronous motion of the connecting rods is realized by using the cooperation of the sliding grooves 9 and the sliding bolt 10, reducing manual intervention and improving processing efficiency and safety.

[0025] In use, the automobile brake disc to be processed is placed on the punching base 1, the outer periphery of the brake disc is located at the inner side of the outer clamping arc plate 5, the inner periphery of the brake disc is located at the outer side of the inner clamping arc plate 6, the punching base 1 is located below the punching drill bit of the punching machine, the motor 11 is started, the motor 11 is part of the driving assembly, the output shaft of the motor 11 drives the transmission gear 12 to rotate, the transmission gear 12 is engaged with the telescopic gear 8, the rotation of the transmission gear 12 drives the telescopic gear 8 to rotate in the inner cavity of the punching base 1, when the telescopic gear 8 rotates, the sliding slot 9 formed in the telescopic gear 8 rotates, the sliding bolt 10 in the sliding slot 9 is displaced under the constraint of the sliding slot 9, one end of the long connecting rod 3 and the short connecting rod 4 is fixedly connected with the sliding bolt 10, the sliding slots 9 connected with the long connecting rod 3 and the sliding slots 9 connected with the short connecting rod 4 are symmetrical in the direction of inclination (the sliding slots 9 connected with the long connecting rod 3 are inclined downward in the clockwise direction, the sliding slots 9 connected with the short connecting rod 4 are inclined upward in the clockwise direction), and the two pairs of symmetrical sliding slots 9 are circumferentially arranged, so that when the telescopic gear 8 rotates, the long connecting rod 3 and the short connecting rod 4 synchronously and reversely extend or contract, when the long connecting rod 3 extends, the outer clamping arc plate 5 fixedly connected with the long connecting rod 3 moves outward, when the short connecting rod 4 contracts, the inner clamping arc plate 6 moves inward, and vice versa, if the telescopic gear 8 reversely rotates, the long connecting rod 3 contracts, the outer clamping arc plate 5 moves inward, the short connecting rod 4 extends, and the inner clamping arc plate 6 moves outward, the inner curvature of the outer clamping arc plate 5 is matched with the outer periphery curvature of the brake disc, and the outer curvature of the inner clamping arc plate 6 is matched with the inner periphery curvature of the brake disc, with the movement of the long connecting rod 3 and the short connecting rod 4, the outer clamping arc plate 5 and the inner clamping arc plate 6 gradually approach and fit the outer periphery and the inner periphery of the brake disc, so that the brake disc is clamped, the inner side of the outer clamping arc plate 5 and the outer side of the inner clamping arc plate 6 are fixedly connected with the rubber blocks 7, the rubber blocks 7 can play a buffering role, avoid clamping the brake disc, and increase the friction force, so that the clamping is more stable, when the brake disc is stably clamped, the punching machine is started, the punching drill bit is lowered to punch the brake disc, after the punching is completed, the motor 11 is controlled to reversely rotate, the telescopic gear 8 reversely rotates, the long connecting rod 3 and the short connecting rod 4 reversely move again, the outer clamping arc plate 5 and the inner clamping arc plate 6 release the brake disc, and the processed brake disc can be taken out.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automobile brake disc machining punching device, comprising a punching base (1), characterized in that: The top of the inner cavity of the punching base (1) is provided with a limiting groove (2), the inner cavity of the limiting groove (2) is slidably connected with a long connecting rod (3) and a short connecting rod (4), the long connecting rod (3) and the short connecting rod (4) are circumferentially staggered around the punching base (1), one end of the long connecting rod (3) is fixedly connected with an outer clamping arc plate (5), one end of the short connecting rod (4) is fixedly connected with an inner clamping arc plate (6), and the inner cavity of the punching base (1) is provided with a telescopic mechanism for driving the long connecting rod (3) and the short connecting rod (4) to synchronously and reversely extend or contract.

2. The automobile brake disc machining punching device according to claim 1, characterized in that: The inner curvature of the outer clamping arc plate (5) is matched with the outer curvature of the brake disc, and the outer curvature of the inner clamping arc plate (6) is matched with the inner curvature of the brake disc.

3. The automobile brake disc machining punching device according to claim 1, characterized in that: The inner side of the outer clamping arc plate (5) and the outer side of the inner clamping arc plate (6) are fixedly connected with rubber blocks (7).

4. The apparatus for punching holes in automobile brake disc machining as claimed in claim 1, wherein: The telescopic mechanism comprises a telescopic gear (8), the outer wall of the telescopic gear (8) is rotatably connected with the inner cavity of the punching base (1), the inner cavity of the punching base (1) drives the telescopic gear (8) to rotate through a driving assembly, the top of the telescopic gear (8) is provided with a sliding groove (9), the inner wall of the sliding groove (9) is slidably connected with a sliding bolt (10), and the top of the sliding bolt (10) is fixedly connected with one end of the long connecting rod (3) and the short connecting rod (4).

5. The apparatus for punching holes in automobile brake disc machining as claimed in claim 4, wherein: The driving assembly comprises a motor (11), the bottom of the motor (11) is fixedly connected with the bottom of the inner cavity of the punching base (1), one end of the output shaft of the motor (11) is fixedly connected with a transmission gear (12) through a shaft coupling, and the transmission gear (12) is engaged with the telescopic gear (8).

6. The automobile brake disc machining punching device according to claim 4, characterized in that: The number of the sliding grooves (9) is the same as the total number of the long connecting rods (3) and the short connecting rods (4), the inclined directions of the sliding grooves (9) connected with the long connecting rods (3) and the sliding grooves (9) connected with the short connecting rods (4) are symmetrical, and the sliding grooves (9) are circumferentially arranged in pairs.

7. The automobile brake disc machining punching device according to claim 4, characterized in that: The sliding grooves (9) connected with the long connecting rods (3) are inclined downward in a clockwise direction, and the sliding grooves (9) connected with the short connecting rods (4) are inclined upward in a clockwise direction.

8. The automobile brake disc machining punching device according to claim 1, characterized in that: The punching base (1) is located below a punching drill bit of a punching machine.

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