CN213858101U

CN213858101U - Improved tooling for machining center holes in two ends of brake camshaft part

Info

Publication number: CN213858101U
Application number: CN202022888996.8U
Authority: CN
Inventors: 王亚权; 刘建国; 张灿银
Original assignee: Jiangsu Weibo Machinery Manufacturing Co ltd
Current assignee: Jiangsu Weibo Machinery Manufacturing Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-03
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a braking camshaft part both ends centre bore processing improves frock, including slide mechanism, clamping device, positioning mechanism and drilling mechanism, clamping device is used for centre gripping braking camshaft with the slide mechanism top, drilling mechanism includes two, and two drilling mechanisms set up in the slide mechanism both sides, slide mechanism is used for driving clamping device horizontal slip on the horizontal plane, positioning mechanism is used for the cam through the fixed braking camshaft of locating piece centre gripping. The utility model discloses the diameter of accessible processing brake camshaft changes and adjusts the centre gripping size that clamping device held to process the centre bore at part both ends through removing the part, reliable and stable.

Description

Improved tooling for machining center holes in two ends of brake camshaft part

Technical Field

The utility model relates to a frock clamp field, more specifically say, it relates to a braking camshaft part both ends centre bore processing improves frock.

Background

The center hole of the camshaft is used as a process reference of shaft parts and is used for clamping, positioning, inspecting and assembling in the whole process, and the first procedure of the production line is basically mostly used for machining the center hole. The centre bore of processing the camshaft at present all is the axle journal of fixed camshaft through the claw dish on the lathe, and the main shaft rotates and drives the camshaft rotation, and fixed drill bit leans on the processing that realizes the centre bore toward the camshaft section, but this kind of processing mode has only guaranteed the fixed of camshaft one side, can not guarantee the levelness of centre bore, and this amplification that just leads to the fact follow-up course of working error easily.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a braking camshaft part both ends centre bore processing improves frock, should improve frock manufacturing convenience, simple structure, the processing of the same type work piece of applicable multiple different diameters, the waste of reducible blank and the excessive loss of cutter simultaneously, convenient to use, low cost.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a braking camshaft part both ends centre bore processing improves frock, includes slide mechanism, clamping device, positioning mechanism and drilling mechanism, clamping device is used for centre gripping braking camshaft, drilling mechanism includes two, and two drilling mechanisms set up in the slide mechanism both sides, slide mechanism is used for driving clamping device horizontal slip on the horizontal plane, positioning mechanism is used for the cam through the fixed braking camshaft of locating piece centre gripping.

Through adopting above-mentioned technical scheme, adopt slide mechanism to adjust the linear motion of braking camshaft to reach the drill bit and at rotatory in-process, process both ends centre bore through the removal of braking camshaft, the rethread is installed clamping device on the support post and is come the fixed clamping braking camshaft, prevents not hard up of part in the course of working.

Preferably, the sliding mechanism comprises a bottom plate guide rail and a dovetail groove sliding block, the dovetail groove sliding block is arranged on the bottom plate guide rail, and the dovetail groove sliding block can slide on the bottom plate guide rail.

By adopting the technical scheme, the dovetail groove sliding block in the sliding mechanism is provided with the dovetail groove structure, and meanwhile, the bottom plate guide rail is provided with the dovetail structure corresponding to the dovetail groove sliding block, so that the dovetail groove sliding block can slide on the bottom plate guide rail.

Preferably, the clamping device comprises an upper clamping block, a lower clamping block, a bolt, a buckle and a support upright post, the support upright post is arranged at the top of a dovetail groove sliding block of the sliding mechanism, the lower clamping block is arranged at the top of the support upright post, one end of the upper clamping block is hinged to one end of the lower clamping block through the bolt, and the other end of the upper clamping block is locked and clamped through the buckle.

Through adopting above-mentioned technical scheme, clamping device constitutes through last clamp splice, lower clamp splice, bolt, buckle and support post, it is articulated through columniform bolt with clamp splice one end down to go up the clamp splice, and the clamp splice can rotate relatively about making, and the other end is locked fixedly through the buckle, be provided with the U-shaped notch in the middle of the buckle to convenient installation anti-skidding paster and locking bolt in the notch.

Preferably, the upper clamping block and the lower clamping block are of V-shaped structures, so that the braking camshaft can be positioned better and cannot deviate in the drilling process.

By adopting the technical scheme, the upper clamping block and the lower clamping block can clamp the brake camshafts with different diameters through the U-shaped notches in the buckles, so that the tool is more widely applied.

Preferably, the positioning mechanism comprises a support guide upright and a positioning block, the support guide upright is arranged on a dovetail groove sliding block of the sliding mechanism, a guide groove is formed in the support guide upright, the positioning block is provided with a guide convex strip matched with the support guide upright, and the guide convex strip is arranged in the guide groove.

By adopting the technical scheme, the supporting guide upright post is arranged on the dovetail groove sliding block and can move along with the braking cam shaft, meanwhile, the dovetail groove structure is arranged on the positioning block, and the supporting guide upright post is also provided with a structure matched with the positioning block.

Preferably, through holes are formed in four corners of the guide rail of the bottom plate, and internal threads are arranged in the through holes.

Through adopting above-mentioned technical scheme, through seting up the through-hole on the bottom plate guide rail, the floor guide rail of easy to assemble sets up the internal thread in the through-hole, and the accessible screw is installed the floor guide rail on the lathe, and the operation is more stable.

To sum up, the utility model discloses following beneficial effect has: through set up the dovetail structure in bottom plate and slider, make brake cam axle can linear movement on the bottom plate guide rail, be convenient for process the centre bore at brake cam axle both ends, and fix a position and press from both sides tight fixed brake cam axle through clamping device, rethread positioning mechanism fixes a position brake cam axle, makes it can not rotate along with the drill bit at drilling process together, the utility model discloses simple structure, the installation is firm, and convenient operation is nimble.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the present invention in use;

fig. 3 is a top view of the present invention;

FIG. 4 is a schematic view of the assembly of the clamping device and the brake camshaft;

reference numerals: 11. a floor rail; 12. a dovetail groove slide block; 21. an upper clamping block; 22. a lower clamping block; 23. a bolt; 241. buckling; 242. a hexagon bolt; 243. a gasket; 25. supporting the upright post; 31. supporting a guide upright post; 32. an orientation block; 41. a motor; 42. a drill bit.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the utility model provides a technical scheme: an improved tool for processing center holes at two ends of a brake camshaft part comprises a base plate guide rail 11, a dovetail groove sliding block 12, an upper clamping block 21, a lower clamping block 22, a supporting guide upright column 31, an orientation block 32, a motor 41 and a drill bit 42, wherein a dovetail groove sliding block 1212 is provided with a dovetail groove structure, and the bottom plate guide rail 11 is provided with a structure matched with the dovetail groove, so that the dovetail groove sliding block 12 can slide on the bottom plate guide rail 11, the dovetail groove sliding block 12 is provided with a supporting upright post 25, both ends of the supporting upright post 25 are provided with screw threads, the dovetail groove sliding block 12 and a clamping device are connected through screw threads, the clamping device is composed of an upper clamping block 21, a lower clamping block 22, a bolt 23, a buckle 241 and a supporting upright post 25, the upper clamping block and the lower clamping block are both in a V-shaped structure, the bolt 23 is hinged to one end of the upper clamping block 21 and one end of the lower clamping block 22, and the buckle 241 clamps and fixes the brake camshaft through a gasket 243 and a bolt. The positioning mechanism is composed of a support guide upright post 31 and a positioning block, a dovetail groove is arranged on the positioning block, a dovetail structure matched with the orientation block 32 is arranged on the support guide upright post 31, so that the orientation block 32 can slide between the guide upright posts, the S-shaped head of the brake camshaft is positioned through the positioning block, and the brake camshaft cannot rotate when center holes are machined at two ends;

as shown in fig. 2, the drilling mechanism is arranged on both sides of the brake camshaft, the motor 41 is fixed on the base guide rail, the rotation of the drill bit 42 is driven by the rotation of the motor 41, and when the center holes at both ends of the brake camshaft are processed, the purpose of drilling is achieved by moving the dovetail groove slide blocks 12 on the bottom plate guide rail 11;

as shown in fig. 3, through holes are formed at four corners of the bottom plate guide rail 11, and threads are formed in the through holes and connected through the threads, so that the bottom plate guide rail 11 is fixed on a machine tool, and the dovetail groove slide block 12 is more stable when sliding.

As shown in fig. 4, the clamping device is composed of an upper clamping block 21, a lower clamping block 22, a bolt 23, a buckle 241 and a support column 25, the upper clamping block 21 and the lower clamping block 22 are positioned in a V shape, and one end of the clamping block is drilled and hinged through a bolt 23, so that the upper clamping block 22 and the lower clamping block 22 can rotate around the bolt 23, the buckle 241 is arranged at the other end of the clamping block for locking and fixing, a U-shaped notch is arranged on the buckle 241, a gasket 243 and a hexagon bolt 242 are convenient to install, the mounting and dismounting of the buckle 241 and the mounting and dismounting of the brake camshaft are completed through the mounting and dismounting of the hexagon bolt 242, so that the operation of the tool is simpler, the upper clamping block 21 and the lower clamping block 22 rotate around the bolt 23, applicable multiple different diameters work piece processing of the same type need not redesign dedicated anchor clamps, saves the cost, clamping device carries out the centre gripping for two, has further improved the stability of this frock.

The installation method comprises the following steps: referring to fig. 1, a dovetail groove sliding block 12 penetrates through a guide rail on a bottom plate, a support column 25 and a support guide column 31 are respectively installed at corresponding positions of the dovetail groove sliding block 12, a lower clamping block 22 is installed on the support column 25, an upper clamping block 21 is connected to the lower clamping block 22 through a bolt 23, a brake cam shaft is placed on the lower clamping block 22, the upper clamping block 21 rotates to press the brake cam shaft, a buckle 241 buckles the upper clamping block 21, the brake cam shaft is clamped, an upper gasket 243 and a hexagon bolt 242 are installed, a positioning block is installed on the support guide column 31, and the end S of the brake cam shaft is pressed to be completely positioned, namely the installation of the brake cam shaft is completed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a braking camshaft part both ends centre bore processing improves frock, a serial communication port, including slide mechanism (1), clamping device (2), positioning mechanism (3) and drilling mechanism (4), clamping device (2) are used for centre gripping braking camshaft, drilling mechanism (4) include two, and two drilling mechanisms (4) set up in slide mechanism (1) both sides, slide mechanism (1) are used for driving clamping device (2) and slide from side to side on the horizontal plane, positioning mechanism (3) are used for the cam through the fixed braking camshaft of locating piece (32) centre gripping.

2. The improved tooling for machining the central holes in the two ends of the brake camshaft part according to claim 1, wherein the sliding mechanism (1) comprises a bottom plate guide rail (11) and a dovetail groove sliding block (12), the dovetail groove sliding block (12) is arranged on the bottom plate guide rail (11), and the dovetail groove sliding block (12) can slide on the bottom plate guide rail (11).

3. The improved tooling for machining the center holes in the two ends of the brake camshaft part according to claim 2, wherein the clamping device (2) comprises an upper clamping block (21), a lower clamping block (22), a bolt (23), a buckle (241) and a supporting column (25), the supporting column (25) is arranged at the top of a dovetail groove sliding block (12) of the sliding mechanism (1), the lower clamping block (22) is arranged at the top of the supporting column (25), one end of the upper clamping block (21) and one end of the lower clamping block (22) are hinged through the bolt (23), and the other end of the upper clamping block and the other end of the lower clamping block are locked and clamped through the buckle (241).

4. The improved tooling for machining the central holes in the two ends of the brake camshaft part as claimed in claim 3, wherein the upper clamping block (21) and the lower clamping block (22) are of V-shaped structures.

5. The improved tooling for machining the center holes in the two ends of the brake camshaft part as claimed in claim 2, wherein the positioning mechanism (3) comprises a support guide column (31) and a positioning block (32), the support guide column (31) is arranged on a dovetail groove slide block (12) of the sliding mechanism (1), a guide groove is formed in the support guide column (31), a guide convex strip matched with the support guide column (31) is arranged on the positioning block (32), and the guide convex strip is arranged in the guide groove.

6. The improved tooling for machining the central holes in the two ends of the brake camshaft part as claimed in claim 2, wherein through holes are arranged at four corners of the bottom plate guide rail (11).