CN212761527U

CN212761527U - Motorcycle brake drum bolt hole chamfer processingequipment

Info

Publication number: CN212761527U
Application number: CN202021249720.9U
Authority: CN
Inventors: 王开元
Original assignee: Heshan Hongchi Industry And Trade Co ltd
Current assignee: Heshan Hongchi Industry And Trade Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-23
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a motorcycle brake drum bolt hole chamfer processingequipment relates to motorcycle and accessory processing technical field thereof. The utility model discloses a workstation, positioning die, cylinder and briquetting, the bottom of workstation is fixed with servo step motor with central symmetry, servo step motor's output runs through workstation and positioning die's bottom fixed connection, positioning die's upper end has the work piece through the spacing joint of reference column, the upper end of support is fixed with the cylinder, the piston rod bottom mounting of cylinder output has the briquetting, the front side of pillar is fixed with pneumatic rotatory feed mechanism, pneumatic rotatory feed mechanism's output is fixed with the chamfer sword. The utility model discloses a set up servo step motor, positioning die, work piece, chamfer sword, positioning die, cylinder, briquetting, solved the brake drum and add the problem that the chamfer of unable clamping realization a plurality of bolt holes was processed man-hour.

Description

Motorcycle brake drum bolt hole chamfer processingequipment

Technical Field

The utility model belongs to the technical field of motorcycle and accessory processing, especially, relate to motorcycle brake drum bolt hole chamfer processingequipment.

Background

The brake drum is a kind of iron casting shaped like a tambourine, which is fixed with the tyre and rotates at the same speed. During braking, the brake shoe is pushed by oil pressure to contact the inner edge of the brake drum, and the friction force generated by the contact is used to restrain the rotation of the tire so as to achieve the purpose of braking. The drum brake consists of brake base plate, brake cylinder, brake shoe and other relevant connecting rods, spring, pin and brake drum. Currently only commonly adopted for rear wheels. When the brake drum is machined, the workpiece needs to be ground, polished, drilled, chamfered and the like, aluminum burrs are generated on the aluminum part due to factors such as pressure impact, insufficient die force, cutting and the like in the die-casting and punching process of aluminum, the quality of products is directly influenced although the burrs are not large, and workers are easily injured due to sharp burrs. The deburring technique has the equipment cost height among the prior art, the clamping speed is slow, the low problem of efficiency, wherein the edge of motorcycle brake drum generally all can be equipped with the round bolt hole, this bolt hole drills out the back, there is the burr in the edge department, so need carry out chamfer processing, guarantee the safety in utilization of work piece, but the chamfer of a plurality of bolt holes of clamping processing can't be realized to current processing mode, and perfect inadequately to the locate mode of work piece, can't guarantee accurate location operation, work efficiency is low, unable a plurality of work piece processing simultaneously of clamping, lead to the limitation great, can't satisfy the demand in the in-service use.

Disclosure of Invention

An object of the utility model is to provide a motorcycle brake drum bolt hole chamfer processingequipment through setting up servo step motor, positioning die, work piece, chamfer sword, positioning die, cylinder, briquetting, has solved the brake drum work piece and has once realized the chamfer of a plurality of bolt holes man-hour, burring drilling processing, brake drum man-hour location inconvenient and the problem that machining efficiency hangs down.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a motorcycle brake drum bolt hole chamfer processingequipment, including workstation, positioning die, cylinder and briquetting, the bottom of workstation is fixed with servo step motor with central symmetry, servo step motor's output runs through the workstation and is connected with positioning die's bottom fixed, and servo step motor drive positioning die carries out the step rotation in location and uses, positioning die's upper end is through the spacing joint of reference column to have the work piece, utilizes positioning die to carry out the location joint for the work piece, the top central point of workstation rear end is fixed with the support, the upper end of support is fixed with the cylinder, the piston rod bottom of cylinder output is fixed with the briquetting, and support fixed cylinder, cylinder drive briquetting are fixed to the work piece, be fixed with the pillar on the workstation outside positioning die, the front side of pillar is fixed with pneumatic rotary feed mechanism, the output end of the pneumatic rotary feeding mechanism is fixedly provided with a chamfering tool, and the support is fixedly provided with the pneumatic rotary feeding mechanism to drive the chamfering tool to stretch and rotate for chamfering and deburring.

Furthermore, the positioning die is located above the workbench, a base is fixed at the bottom of the workbench, a groove is formed in the upper end of the positioning die, and positioning columns are fixed on the positioning die outside the groove in an annular array manner.

Furthermore, through holes are formed in the outer side edge of the workpiece in an annular array, the upper portion of the positioning die is inserted into the through holes through positioning columns to be fixed with the workpiece in a limiting mode, and the positioning columns are used for inserting and fixing the workpiece.

Furthermore, the support is of a T-shaped structure, air cylinders are fixed on two sides of the upper end of the support, a piston rod at the output end of each air cylinder penetrates through the support to install a pressing block, and the pressing block is located right above the workpiece.

Further, the briquetting includes apron, damping spring, ball bearing, shell and rubber gasket, the shell bottom bonds there is the rubber gasket, the shell internal fixation has ball bearing, ball bearing's inner circle and piston rod fixed connection, ball bearing inner circle's upper end is through damping spring and apron fixed connection, apron and piston rod fixed connection, the briquetting has the damping cushioning effect, and can not rotate along with the work piece after compressing tightly fixedly.

Furthermore, a control switch is fixed on the workbench on the inner side of the support, and the output end of the control switch is electrically connected with the servo stepping motor, the air cylinder and the input end of the pneumatic rotary feeding mechanism, so that the integral control is realized.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up servo step motor, positioning die, work piece, chamfer sword, solved the brake drum work piece add man-hour unable clamping realize the chamfer of a plurality of bolt holes, the problem of burring processing, the utility model discloses can realize one-time processing, carry out chamfer and burring operation to a plurality of bolt holes, guarantee the level and smooth of bolt hole department structure, the work and order, make things convenient for subsequent processing equipment operation, fix a position the work piece through positioning die, cooperation cylinder drive briquetting carries out the suppression of fixing a position, it is rotatory to drive positioning die and work piece through servo step motor, cooperation pneumatic rotatory feed mechanism stretches out and draws back and rotates the chamfer sword, carry out chamfer and burring operation to the bolt hole on the work piece, servo step motor control positioning die carries out step by step, with the position of chamfer sword is aimed at, convenient processing.

2. The utility model discloses a set up positioning die, cylinder, briquetting, solved the brake drum and add the inconvenient problem of location man-hour, the utility model discloses can treat the brake drum work piece of processing and carry out accurate location fixed, avoid it to appear squinting, guarantee the accurate nature of processing position, through the reference column to the spacing chucking of work piece on the positioning die, cooperation cylinder drive briquetting compresses tightly the work piece upper end, realizes the spacing operation of two-way fixation, convenient subsequent chamfer processing.

3. The utility model discloses a two sets of positioning die, servo step motor, cylinder and the rotatory feed mechanism of pneumatics that the symmetry set up can realize the simultaneous operation of two sets of work pieces, have solved the problem that brake drum machining efficiency hangs down, and the simultaneous processing of two sets of work pieces has promoted the operating efficiency, can not promote a lot to staff's intensity of labour again, and convenient control more, misoperation's phenomenon can not appear.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a composition structure diagram of the pressing block of the present invention;

FIG. 3 is a diagram illustrating the structure of the workpiece according to the present invention;

FIG. 4 is a structural diagram of the positioning mold of the present invention;

FIG. 5 is an enlarged view of the structure at the position A of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a work table; 21. a pillar; 3. positioning a mold; 31. a positioning column; 32. a groove; 4. a workpiece; 41. a through hole; 5. a pneumatic rotary feed mechanism; 51. chamfering cutter; 6. a cylinder; 61. A piston rod; 7. a servo stepper motor; 8. a support; 9. briquetting; 91. a cover plate; 92. a damping spring; 93. a ball bearing; 94. a housing; 95. a rubber gasket; 10. and controlling the switch.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the utility model relates to a motorcycle brake drum bolt hole chamfer processing device, which comprises a workbench 2, a positioning die 3, a cylinder 6 and a pressing block 9, wherein a servo stepping motor 7 is fixed at the bottom end of the workbench 2 in a central symmetry manner, the output end of the servo stepping motor 7 penetrates through the workbench 2 and is fixedly connected with the bottom end of the positioning die 3, the workbench 2 is used as a main working area, the processing operation is carried out above the workbench 2, the positioning die 3 is driven to rotate by the servo stepping motor 7, the positioning die 3 and the structure above the positioning die can be rotated in a stepping manner, the fine positioning of each through hole 41 is ensured, a workpiece 4 is clamped at the upper end of the positioning die 3 in a limiting manner through a positioning column 31, the workpiece 4 is positioned and fixed through the positioning die 3, the workpiece 4 is a semi-finished brake drum, a support 8 is fixed at the, the upper end of a support 8 is fixed with an air cylinder 6, the bottom end of a piston rod 61 at the output end of the air cylinder 6 is fixed with a pressing block 9, the air cylinder 6 is fixed through the support 8, the output end of the air cylinder 6 drives the pressing block 9 to descend through the piston rod 61, the upper end of a workpiece 4 is clamped and positioned through the pressing block 9, a support column 21 is fixed on a workbench 2 at the outer side of a positioning die 3, a pneumatic rotary feeding mechanism 5 is fixed at the front side of the support column 21, a chamfering cutter 51 is fixed at the output end of the pneumatic rotary feeding mechanism 5, the pneumatic rotary feeding mechanism 5 is fixed through the support column 21 and forms an angle of 45 degrees with the horizontal plane, the pneumatic rotary feeding mechanism 5 is just opposite to a through hole 41 at the lower layer edge of the workpiece 4, the chamfering cutter 51 is driven to rotate and stretch through the pneumatic rotary feeding mechanism 5, chamfering and deburring drilling processing is carried, have rotation and flexible function, because this structure belongs to prior art, belongs to the equipment of purchase, and does not belong to the utility model discloses a necessary protection characteristic, do not carry out the concrete description to its structural component here.

As shown in fig. 1, 4 and 5, the positioning mold 3 is located above the workbench 2, the base 1 is fixed at the bottom of the workbench 2, a groove 32 is formed at the upper end of the positioning mold 3, and positioning columns 31 are fixed on the positioning mold 3 outside the groove 32 in an annular array; when the workpiece 4 is fixed, primary positioning and limiting are realized through the positioning die 3, the positioning column 31 is used for limiting and clamping, the groove 32 in the positioning column is used for clamping and arranging the protruding part on the surface of the workpiece 4, and positioning is realized by matching with the insertion of the positioning column 31;

through holes 41 are formed in the outer edge of the workpiece 4 in an annular array, and the upper part of the positioning die 3 is inserted into the through holes 41 through positioning columns 31 to be limited and fixed with the workpiece 4; the through hole 41 in the workpiece 4 is a hole structure with thick ends and thin middle, the positioning column 31 cannot directly penetrate through the through hole 41 after being inserted, and the chamfering tool 51 performs chamfering deburring drilling on the upper part of the through hole 41 in the workpiece 4.

As shown in fig. 1-2, the support 8 is of a T-shaped structure, the cylinders 6 are fixed on two sides of the upper end of the support 8, the piston rods 61 at the output ends of the cylinders 6 penetrate through the support 8 to install the pressing blocks 9, and the pressing blocks 9 are positioned right above the workpiece 4; the cylinder 6 is fixed by the support 8, the cylinder 6 outputs the pressing block 9 through the piston rod 61 to descend, and the upper end of the workpiece 4 is pressed and fixed;

the pressing block 9 comprises a cover plate 91, a damping spring 92, a ball bearing 93, a shell 94 and a rubber gasket 95, the rubber gasket 95 is bonded at the bottom of the shell 94, the ball bearing 93 is fixed in the shell 94, the inner ring of the ball bearing 93 is fixedly connected with the piston rod 61, the upper end of the inner ring of the ball bearing 93 is fixedly connected with the cover plate 91 through the damping spring 92, and the cover plate 91 is fixedly connected with the piston rod 61; when the pressing block 9 descends, the rubber gasket 95 at the bottom of the shell 94 firstly contacts the upper end of the workpiece 4 to increase friction and improve pressing stability, then the damping spring 92 buffers the damping force, the piston rod 61 is connected with the shell 94 through the ball bearing 93 until the cover plate 91 covers the shell 94, when the workpiece 4 rotates, the piston rod 61 cannot rotate along with the ball bearing 93, but the shell 94 rotates along with the ball bearing 93;

a control switch 10 is fixed on the workbench 2 at the inner side of the strut 21, and the output end of the control switch 10 is electrically connected with the servo stepping motor 7, the cylinder 6 and the input end of the pneumatic rotary feeding mechanism 5; the control switch 10 is controlled to be opened and closed by one key, the program design in the utility model does not belong to the protection range of the utility model, so that the excessive description is not made.

When the chamfering tool is in work, a workpiece 4 which is perforated is placed on the positioning die 3, the air cylinder 6 applies force downwards to enable the pressing block 9 to press the workpiece 4, when the chamfering tool 51 rotates automatically and the front end of the chamfering tool 51 is guided into the through hole 41, the 45-degree angle cutting edge on the blade starts to grind and remove burrs on the surface of the through hole 41 of the workpiece 4 under the condition of high-speed rotation, and the chamfering tool 51 is reset upwards after the process is finished; when the chamfer cutter 51 moves upwards, the servo stepping motor 7 drives the positioning die 3 to rotate, so that the next hole site of the workpiece 4 is aligned with the position of the chamfer cutter 51, the operation is performed in sequence, and after the round is rotated, the utility model discloses can automatic stop work.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.

Claims

1. Motorcycle brake drum bolt hole chamfer processingequipment, including workstation (2), positioning die (3), cylinder (6) and briquetting (9), its characterized in that: the bottom of workstation (2) is fixed with servo step motor (7) with central symmetry, the output of servo step motor (7) runs through the bottom fixed connection of workstation (2) and positioning die (3), the upper end of positioning die (3) has work piece (4) through reference column (31) spacing joint, the top central point of workstation (2) rear end is fixed with support (8), the upper end of support (8) is fixed with cylinder (6), piston rod (61) bottom mounting of cylinder (6) output has briquetting (9), be fixed with pillar (21) on workstation (2) in the positioning die (3) outside, the front side of pillar (21) is fixed with pneumatic rotatory feed mechanism (5), the output of pneumatic rotatory feed mechanism (5) is fixed with chamfer sword (51).

2. The motorcycle brake drum bolt hole chamfering machining device according to claim 1, wherein the positioning die (3) is located above a workbench (2), a base (1) is fixed to the bottom of the workbench (2), a groove (32) is formed in the upper end of the positioning die (3), and positioning columns (31) are fixed to the positioning die (3) on the outer side of the groove (32) in an annular array.

3. The motorcycle brake drum bolt hole chamfering machining device according to claim 1, wherein through holes (41) are formed in the outer edge of the workpiece (4) in an annular array, and the positioning mold (3) is inserted into the through holes (41) through positioning columns (31) to be limited and fixed with the workpiece (4).

4. The motorcycle brake drum bolt hole chamfering machining device according to claim 1, wherein the support (8) is of a T-shaped structure, air cylinders (6) are fixed to two sides of the upper end of the support (8), a piston rod (61) at the output end of each air cylinder (6) penetrates through the support (8) to be provided with a pressing block (9), and the pressing block (9) is located right above the workpiece (4).

5. The motorcycle brake drum bolt hole chamfering machining device according to claim 1, wherein the pressing block (9) comprises a cover plate (91), a damping spring (92), a ball bearing (93), a housing (94) and a rubber gasket (95), the rubber gasket (95) is bonded to the bottom of the housing (94), the ball bearing (93) is fixed in the housing (94), an inner ring of the ball bearing (93) is fixedly connected with the piston rod (61), the upper end of the inner ring of the ball bearing (93) is fixedly connected with the cover plate (91) through the damping spring (92), and the cover plate (91) is fixedly connected with the piston rod (61).

6. The motorcycle brake drum bolt hole chamfering machining device according to claim 1, characterized in that a control switch (10) is fixed on the table (2) inside the strut (21), and an output end of the control switch (10) is electrically connected with an input end of the servo stepping motor (7), the cylinder (6) and the pneumatic rotary feeding mechanism (5).