CN113579296A

CN113579296A - Machining device for rear bracket of motorcycle

Info

Publication number: CN113579296A
Application number: CN202110871181.5A
Authority: CN
Inventors: 周建; 周禹辛
Original assignee: Chongqing Yuxiang Machinery Manufacturing Co Ltd
Current assignee: Chongqing Yuxiang Machinery Manufacturing Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-11-02

Abstract

The invention relates to the technical field of punching equipment. The machining device for the rear bracket of the motorcycle comprises a machine base and two drill bits, wherein supporting blocks are arranged on two sides of the machine base, and lifting plates are vertically connected to the supporting blocks in a sliding mode; the lifting plate is rotatably connected with two driven shafts, and the drill bit is fixedly connected with the bottoms of the driven shafts; the machine base is provided with a limiting mechanism for limiting the mounting plate, and the limiting mechanism is positioned between the two supporting blocks; the drilling machine also comprises a power mechanism for driving the lifting plate to vertically reciprocate, a driving mechanism for driving the two driven shafts to simultaneously rotate and a vibration damping mechanism for damping the part, positioned between the two drill bits, on the mounting plate. When two round holes of every group were mainly solved to this scheme, because the interval between two round holes is less on the present processing mounting panel, the part between two round holes was easy because of the vibration fracture on the mounting panel when leading to two round holes of simultaneous processing, and then led to the fact scrapping of a large amount of mounting panels for the problem that the processing cost rised.

Description

Machining device for rear bracket of motorcycle

Technical Field

The invention relates to the technical field of punching equipment.

Background

The motorcycle is a two-wheeled or three-wheeled vehicle driven by gasoline engine and steered by front wheel operated by handle, and is light, flexible and quick to drive, and can be widely used for patrol, passenger and goods transportation and the like, and also used as sports equipment.

At present, the rear part of a motorcycle is provided with a bracket, specifically: the bracket is welded with a mounting plate, the mounting plate is provided with a plurality of groups of mounting holes, and bolts penetrate through the mounting holes to be connected with the rear part of the motorcycle, so that the bracket is mounted on the rear part of the motorcycle; however, when the mounting holes are actually machined in the mounting plate, the mounting plate can vibrate; in addition, every group mounting hole on the mounting panel includes two round holes, and the interval between two round holes is less, and the part between two round holes on the mounting panel is easy because of the vibration fracture when processing two round holes simultaneously, and then causes scrapping of a large amount of mounting panels for the processing cost risees.

Disclosure of Invention

The invention aims to provide a processing device for a rear bracket of a motorcycle, which aims to solve the problem that when two round holes of each group are processed on a mounting plate at present, the part between the two round holes on the mounting plate is easy to break due to vibration when the two round holes are processed simultaneously, so that a large number of mounting plates are scrapped, and the processing cost is increased.

In order to achieve the above object, the basic scheme of the invention is as follows: the machining device for the rear bracket of the motorcycle comprises a machine base and two drill bits, wherein supporting blocks are arranged on two sides of the machine base, and lifting plates are vertically connected to the supporting blocks in a sliding mode; the lifting plate is rotatably connected with two driven shafts, and the drill bit is fixedly connected with the bottoms of the driven shafts; the machine base is provided with a limiting mechanism for limiting the mounting plate, and the limiting mechanism is positioned between the two supporting blocks; the drilling machine also comprises a power mechanism for driving the lifting plate to vertically reciprocate, a driving mechanism for driving the two driven shafts to simultaneously rotate and a vibration damping mechanism for damping the part, positioned between the two drill bits, on the mounting plate.

The advantages of the basic scheme are: when the scheme is used, the mounting plate is limited through the limiting mechanism; the driven shaft is driven to rotate by the driving mechanism, and the driven shaft drives the drill bit to rotate; the lifting plate is driven by the power mechanism to move downwards, and the lifting plate drives the drill bits to move downwards through the driven shaft, so that the two drill bits act on the mounting plate simultaneously to complete the drilling treatment of the mounting plate; compared with the prior art, during the drilling of the mounting plate, the part between the two drill bits on the mounting plate is damped through the damping mechanism, so that the probability of part breakage between the two round holes on the mounting plate caused by vibration is reduced, the yield is improved, and the processing cost is also reduced.

Furthermore, the limiting mechanism comprises two limiting seats fixedly connected to the base, and a screw is connected to each limiting seat in a threaded manner.

Through the arrangement, the mounting plate is placed on the limiting seat, and the screw rod is rotated, so that the screw rod is abutted to the mounting plate, and the mounting plate is limited.

Furthermore, the driving mechanism comprises a driving shaft which is rotationally connected with the lifting plate and a driven gear which is fixedly connected on the driven shaft, and a driving gear which is meshed with the driven gear is fixedly connected on the driving shaft; the driving mechanism also comprises a driving part for driving the driving shaft to rotate.

Through the arrangement, during the downward movement of the lifting plate, the driving shaft is driven to rotate by the driving part, the driving shaft drives the driving gear to rotate, the driven gear is driven to rotate by the meshing of the driving gear and the driven gear, the driven shaft is further driven to rotate, the driven shaft drives the drill bits to rotate, namely the two drill bits rotate simultaneously; the lifter plate continues to move downwards, and then drives two drill bits and acts on the mounting panel simultaneously, accomplishes the processing of two round holes promptly simultaneously.

Further, the vibration reduction mechanism comprises a guide rod fixedly connected to the lifting plate, a first vibration reduction block used for abutting against the top of the mounting plate and a second vibration reduction block fixedly connected to the base and used for abutting against the bottom of the mounting plate, an auxiliary groove is formed in the bottom of the guide rod, an auxiliary rod is connected in the auxiliary groove in a sliding mode, a spring is arranged between the auxiliary rod and the auxiliary groove, and the bottom of the auxiliary rod is fixedly connected with the first vibration reduction block; the first vibration damping block and the second vibration damping block are located between the two drill bits.

Through the arrangement, when the mounting plate is limited, the second vibration reduction block abuts against the bottom of the mounting plate; during the downward movement of the lifting plate, the lifting plate drives the first vibration reduction block to move downward; the lifting plate continues to move downwards, the lifting plate drives the drill bit to continue to move downwards, and when the drill bit is in contact with the mounting plate, the first vibration reduction block abuts against the mounting plate; the lifting plate continues to move downwards, the lifting plate drives the drill bit to continue to move downwards, when the drill bit performs drilling processing on the mounting plate, the mounting plate can vibrate, the first vibration reduction block is extruded by the mounting plate to move upwards, the auxiliary rod is driven to move upwards in the auxiliary groove, and the spring is compressed; therefore, the part between the two round holes on the mounting plate can be clamped through the first vibration reduction block and the second vibration reduction block, and then the vibration intensity of the mounting plate is relieved, and the vibration reduction effect is achieved on the mounting plate.

Further, both sides of the first vibration reduction block are provided with transverse grooves, and extension blocks are connected in the transverse grooves in a sliding manner; the device also comprises a linkage mechanism which drives the extension block to reciprocate transversely along with the rotation of the driven shaft.

Through the arrangement, the lifting plate drives the driven shaft and the drill bit to move downwards during the downward movement of the lifting plate; the driven shaft rotates, and the extension block can be driven to transversely reciprocate through the linkage mechanism; during the drilling process of the drill bit on the mounting plate, the first vibration reduction block is always abutted against the mounting plate, the extension blocks on the two sides move towards the round holes on the two sides, and the free ends of the extension blocks extend to the edges of the round holes at most; therefore, the clamping action surface of the part between the two round holes on the mounting plate can be enlarged through the extension block, and the vibration reduction effect is further enhanced; on the other hand, the vertical movement of the drill bit can be limited, and the drill bit is prevented from deviating; and, the removal through extending the piece can block that the sweeps that produce when drilling causes the damage to the part between two round holes on the mounting panel, and then plays the guard action to the part between two round holes on the mounting panel.

Further, the linkage mechanism comprises two vertical grooves formed in the bottom of the lifting plate, a cylinder fixedly connected to the driven shaft and a top groove vertically formed in the first vibration damping block, and the distance between the two vertical grooves is smaller than that between the two driven shafts; a first rack is connected in the vertical groove in a sliding manner, and a side block is arranged on the side wall of the first rack; the cylinder is provided with a wave groove, and the free end of the side block is connected with the wave groove in a sliding manner; the top groove is communicated with the transverse groove, a linkage gear meshed with the first rack is rotationally connected in the top groove, and a second rack meshed with the linkage gear is arranged on the extension block.

Through the arrangement, during the downward movement of the lifting plate, the lifting plate drives the driven shaft and the drill bit to move downward, the driven shaft can also drive the cylinder to rotate, and the side block can drive the first rack to vertically reciprocate along the vertical groove during the sliding of the wave groove because the side block slides in the wave groove; during the drilling treatment of the drill bit on the mounting plate, the first vibration reduction block always abuts against the mounting plate, and the first rack moves downwards to be meshed with the linkage gear so as to drive the linkage gear to rotate; the linkage gear drives the second rack lateral shifting, and the synchronous lateral shifting of second rack dynamic extension piece, and then the extension piece of both sides all removes to the round hole direction of both sides, and the free end of extension piece extends to the edge of round hole at most.

Furthermore, two cavities are arranged in the lifting plate and are positioned on two sides of the driving shaft; a piston cylinder is arranged in the cavity, a piston plate is connected in the piston cylinder in a sliding mode, and the first rack is fixedly connected with the piston plate; the piston cylinder is communicated with an air inlet pipe extending to the bottom of the lifting plate, and the distance between the two air inlet pipes and one end of the piston cylinder is larger than that between the two driven shafts; the side wall of the piston cylinder is provided with an air outlet pipe extending to the top of the lifting plate, the air outlet pipe is communicated with a collecting box, and the collecting box is fixed on the lifting plate.

Through the arrangement, during the vertical reciprocating movement of the first rack along the vertical groove, when the first rack moves downwards, the first rack drives the piston plate to move downwards in the piston cylinder, so that negative pressure is generated in the piston cylinder, and waste chips generated during drilling the mounting plate are sucked into the piston cylinder through the air inlet pipe, so that the waste chips are reduced to move towards the part between the two round holes in the mounting plate, and the protection effect on the part between the two round holes in the mounting plate is enhanced; when the first rack moves upwards, the first rack drives the piston plate to move upwards in the piston cylinder, and then the sweeps are pushed to be collected into the collection box through the air outlet pipe.

Drawings

FIG. 1 is a partial cross-sectional view in front elevation of an embodiment of a machining apparatus for a rear bracket of a motorcycle according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the vibration damping device comprises a base 1, a drill bit 2, a supporting block 3, a lifting plate 4, a driven shaft 5, a limiting seat 6, a screw 7, a driving gear 8, a driven gear 9, a first vibration damping block 10, a second vibration damping block 11, an auxiliary rod 12, a spring 13, an extension block 14, a cylinder 15, a first rack 16, a side block 17, a wave groove 18, a linkage gear 19, a second rack 20, a piston cylinder 21, a piston plate 22, an air inlet pipe 23, an air outlet pipe 24 and a collecting box 25.

Examples

Substantially as shown in figures 1 and 2: the machining device for the rear bracket of the motorcycle comprises a machine base 1 and two drill bits 2, wherein two sides of the machine base 1 are fixedly connected with supporting blocks 3, and lifting plates 4 are vertically and slidably connected to the supporting blocks 3; still including being used for driving the power unit of 4 vertical reciprocating motion of lifter plate, in this embodiment, power unit chooses for use the cylinder, and the cylinder is fixed on supporting shoe 3, and the output shaft of cylinder and the bottom rigid coupling of lifter plate 4.

The lifting plate 4 is rotationally connected with two driven shafts 5, and the drill bit 2 is fixedly connected with the bottoms of the driven shafts 5; the machine base 1 is provided with a limiting mechanism for limiting the mounting plate, and the limiting mechanism is positioned between the two supporting blocks 3; the limiting mechanism comprises two limiting seats 6 fixedly connected to the base 1, the distance between the two limiting seats 6 is larger than the distance between the two driven shafts 5, and a screw 7 is in threaded connection with the limiting seats 6.

The vibration reduction device also comprises a driving mechanism for driving the two driven shafts 5 to rotate simultaneously and a vibration reduction mechanism for reducing vibration of the part, positioned between the two drill bits 2, on the mounting plate; the driving mechanism comprises a driving shaft which is rotationally connected with the lifting plate 4 and a driven gear 9 which is fixedly connected on the driven shaft 5, and a driving gear 8 which is meshed with the driven gear 9 is fixedly connected on the driving shaft; the lifting plate is characterized by further comprising a driving part for driving the driving shaft to rotate, in the embodiment, the driving part adopts a motor, the motor is fixedly connected to the lifting plate 4, and an output shaft of the motor is fixedly connected with the driving shaft.

The vibration damping mechanism comprises a guide rod fixedly connected on the lifting plate 4, a first vibration damping block 10 used for abutting against the top of the mounting plate and a second vibration damping block 11 fixedly connected on the base 1 and used for abutting against the bottom of the mounting plate, an auxiliary groove is formed in the bottom of the guide rod, an auxiliary rod 12 is connected in the auxiliary groove in a sliding mode, a spring 13 is fixedly connected between the auxiliary rod 12 and the auxiliary groove, and the bottom of the auxiliary rod 12 is fixedly connected with the first vibration damping block 10; the first and

second damping blocks

10, 11 are each located between two drill bits 2. Two sides of the first vibration reduction block 10 are both provided with transverse grooves, and extension blocks 14 are connected in the transverse grooves in a sliding manner; the linkage mechanism is rotated along with the driven shaft 5 to drive the extension block 14 to reciprocate transversely; the linkage mechanism comprises two vertical grooves formed in the bottom of the lifting plate 4, a cylinder 15 fixedly connected to the driven shaft 5 and a top groove vertically formed in the first vibration reduction block 10, and the distance between the two vertical grooves is smaller than that between the two driven shafts 5; a first rack 16 is connected in the vertical groove in a sliding manner, and a side block 17 is fixedly connected to the side wall of the first rack 16; the column 15 is provided with a wave groove 18, and the free end of the side block 17 is connected with the wave groove 18 in a sliding way; the top groove is communicated with the transverse groove, a linkage gear 19 meshed with the first rack 16 is rotatably connected in the top groove, and a second rack 20 meshed with the linkage gear 19 is fixedly connected on the extension block 14.

Two chambers are arranged in the lifting plate 4, are positioned on two sides of the driving shaft and are communicated with the vertical groove; a piston cylinder 21 is fixedly connected in the cavity, a piston plate 22 is connected in the piston cylinder 21 in a sliding manner, and the first rack 16 is fixedly connected with the piston plate 22; an air inlet pipe 23 extending to the bottom of the lifting plate 4 is communicated with the piston cylinder 21, a first one-way valve used for enabling fluid to enter the air inlet pipe 23 from the outside in one way is installed on the air inlet pipe 23, and the distance between the two air inlet pipes 23 far away from one end of the piston cylinder 21 is larger than that between the two driven shafts 5; an air outlet pipe 24 extending to the top of the lifting plate 4 is arranged on the side wall of the piston cylinder 21, and a second one-way valve used for enabling fluid to enter the air outlet pipe 24 from the piston cylinder 21 in one way is mounted on the air outlet pipe 24; the air outlet pipe 24 is communicated with a collecting box 25, and the collecting box 25 is fixed on the lifting plate 4.

The specific implementation process is as follows:

during the use, put the mounting panel on spacing seat 6, rotate screw rod 7 again for screw rod 7 offsets with the mounting panel, with this realization to the spacing of mounting panel. The cylinder is started, the output shaft of the cylinder drives the lifting plate 4 to move downwards, and then the two drill bits 2 are driven to move downwards simultaneously, namely the two drill bits 2 move towards the mounting plate simultaneously.

During the downward movement of the lifting plate 4, the motor is started, the output shaft of the motor drives the driving shaft to rotate, the driving shaft drives the driving gear 8 to rotate, the driving gear 8 is meshed with the driven gear 9 to drive the driven gear 9 to rotate, the driven shaft 5 is further driven to rotate, the driven shaft 5 drives the drill bits 2 to rotate, namely the two drill bits 2 rotate simultaneously; the lifting plate 4 continues to move downwards, and then drives the two drill bits 2 to act on the mounting plate simultaneously, namely, the processing of the two round holes is completed simultaneously.

When the limit of the mounting plate is completed, the second vibration reduction block 11 is abutted against the bottom of the mounting plate; during the downward movement of the lifting plate 4, the lifting plate 4 drives the first vibration reduction block 10 to move downward; the lifting plate 4 continues to move downwards, the lifting plate 4 drives the drill bit 2 to continue to move downwards, and when the drill bit 2 is in contact with the mounting plate, the first vibration reduction block 10 abuts against the mounting plate; the lifting plate 4 continues to move downwards, the lifting plate 4 drives the drill bit 2 to continue to move downwards, when the drill bit 2 drills the mounting plate, the mounting plate can vibrate, the first vibration reduction block 10 is extruded by the mounting plate to move upwards, the auxiliary rod 12 is further driven to move upwards in the auxiliary groove, the spring 13 is compressed, and meanwhile the spring 13 has downward reaction force on the first vibration reduction block 10; therefore, the part between the two round holes on the mounting plate can be clamped through the first damping block 10 and the second damping block 11, so that the vibration strength of the mounting plate is relieved, namely, the damping effect is achieved on the mounting plate, the probability of breakage of the part between the two round holes on the mounting plate caused by vibration is reduced, the yield is improved, and the processing cost is also reduced.

During the downward movement of the lifting plate 4, the lifting plate 4 drives the driven shaft 5 and the drill bit 2 to move downward, the driven shaft 5 can also drive the cylinder 15 to rotate, and the side block 17 slides in the wave groove 18, so that the side block 17 can drive the first rack 16 to vertically reciprocate along the vertical groove during the sliding of the wave groove 18; during the drilling process of the drill bit 2 on the mounting plate, the first vibration reduction block 10 is always abutted against the mounting plate, and the first rack 16 moves downwards to be meshed with the linkage gear 19, so that the linkage gear 19 is driven to rotate; the linkage gear 19 drives the second rack 20 to move transversely, the second rack 20 drives the extension blocks 14 to move synchronously and transversely, and then the extension blocks 14 on the two sides move towards the round holes on the two sides, and the free ends of the extension blocks 14 extend to the edges of the round holes at most; therefore, the clamping action surface of the part between the two round holes on the mounting plate can be enlarged through the extension block 14, and the vibration damping effect is further enhanced; on the other hand, the vertical movement of the drill bit 2 can be limited, and the deviation of the drill bit 2 is avoided; and, can block the sweeps that produce when drilling through the removal of extension piece 14 and strike the part between two round holes on the mounting panel, and then cause the damage to it to this plays the guard action to the part between two round holes on the mounting panel.

During the vertical reciprocating movement of the first rack 16 along the vertical groove, when the first rack 16 moves downwards, the first rack 16 drives the piston plate 22 to move downwards in the piston cylinder 21, so that negative pressure is generated in the piston cylinder 21, and then scraps generated during drilling the mounting plate are sucked into the piston cylinder 21 through the air inlet pipe 23, so that the movement of the scraps to the direction of the part between the two round holes on the mounting plate is reduced, and the protection effect on the part between the two round holes on the mounting plate is enhanced; when the first rack 16 moves upward, the first rack 16 drives the piston plate 22 to move upward in the piston cylinder 21, thereby pushing the waste chips to be collected into the collection box 25 through the air outlet pipe 24.

The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the invention has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A processingequipment for bracket behind motorcycle, including frame and two drill bits, its characterized in that: supporting blocks are arranged on two sides of the machine base, and lifting plates are vertically connected to the supporting blocks in a sliding mode; the lifting plate is rotatably connected with two driven shafts, and the drill bit is fixedly connected with the bottoms of the driven shafts; the machine base is provided with a limiting mechanism for limiting the mounting plate, and the limiting mechanism is positioned between the two supporting blocks; the drilling machine also comprises a power mechanism for driving the lifting plate to vertically reciprocate, a driving mechanism for driving the two driven shafts to simultaneously rotate and a vibration damping mechanism for damping the part, positioned between the two drill bits, on the mounting plate.

2. A machining device for a motorcycle rear bracket according to claim 1, characterized in that: the limiting mechanism comprises two limiting seats fixedly connected to the base, and a screw is connected to each limiting seat in a threaded manner.

3. A machining device for a motorcycle rear bracket according to claim 2, characterized in that: the driving mechanism comprises a driving shaft which is rotationally connected with the lifting plate and a driven gear which is fixedly connected on the driven shaft, and a driving gear which is meshed with the driven gear is fixedly connected on the driving shaft; the driving mechanism also comprises a driving part for driving the driving shaft to rotate.

4. A machining device for a motorcycle rear bracket as set forth in claim 3, wherein: the damping mechanism comprises a guide rod fixedly connected to the lifting plate, a first damping block used for abutting against the top of the mounting plate and a second damping block fixedly connected to the base and used for abutting against the bottom of the mounting plate, an auxiliary groove is formed in the bottom of the guide rod, an auxiliary rod is connected in the auxiliary groove in a sliding mode, a spring is arranged between the auxiliary rod and the auxiliary groove, and the bottom of the auxiliary rod is fixedly connected with the first damping block; the first vibration damping block and the second vibration damping block are located between the two drill bits.

5. The machining device for a motorcycle rear bracket according to claim 4, characterized in that: two sides of the first vibration reduction block are provided with transverse grooves, and extension blocks are connected in the transverse grooves in a sliding mode; the device also comprises a linkage mechanism which drives the extension block to reciprocate transversely along with the rotation of the driven shaft.

6. The machining device for a motorcycle rear bracket according to claim 5, characterized in that: the linkage mechanism comprises two vertical grooves formed in the bottom of the lifting plate, a cylinder fixedly connected to the driven shaft and a top groove vertically formed in the first vibration reduction block, and the distance between the two vertical grooves is smaller than that between the two driven shafts; a first rack is connected in the vertical groove in a sliding manner, and a side block is arranged on the side wall of the first rack; the cylinder is provided with a wave groove, and the free end of the side block is connected with the wave groove in a sliding manner; the top groove is communicated with the transverse groove, a linkage gear meshed with the first rack is rotationally connected in the top groove, and a second rack meshed with the linkage gear is arranged on the extension block.

7. The machining device for a motorcycle rear bracket according to claim 6, characterized in that: two cavities are arranged in the lifting plate and are positioned on two sides of the driving shaft; a piston cylinder is arranged in the cavity, a piston plate is connected in the piston cylinder in a sliding mode, and the first rack is fixedly connected with the piston plate; the piston cylinder is communicated with an air inlet pipe extending to the bottom of the lifting plate, and the distance between the two air inlet pipes and one end of the piston cylinder is larger than that between the two driven shafts; the side wall of the piston cylinder is provided with an air outlet pipe extending to the top of the lifting plate, the air outlet pipe is communicated with a collecting box, and the collecting box is fixed on the lifting plate.