CN217799017U

CN217799017U - Automatic boring cutter structure of compensation

Info

Publication number: CN217799017U
Application number: CN202221594932.XU
Authority: CN
Inventors: 符式金; 詹达宇; 刘武凤
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-15
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to an automatic boring cutter structure of compensation includes cutter arbor, boring blade and boring cutter clamp, the boring blade with the boring cutter clamp is connected, the boring cutter clamp is located on the cutter arbor, the boring cutter clamp rotates at the horizontal direction, is used for the adjustment the height of boring blade. This structure can realize cutter automatic compensation, promotes the processing stability of bent axle hole diameter size, still can avoid relying on artifical record back sword size to carry out new sword knife adjustment, and can satisfy the demand of different model processing. Can realize online accent sword, reducible durable cutter body joins in marriage sword quantity, reduce the joining in marriage sword cost, reduce the tool changing time, promote work efficiency.

Description

Automatic boring cutter structure of compensation

Technical Field

The utility model relates to an engine processing field especially relates to an automatic boring cutter structure of compensation.

Background

The crankshaft hole of the engine cylinder body is used as a main part for installing the crankshaft of the engine, the position degree requirement is high, after allowance is usually required to be roughly bored, fine boring processing is firstly carried out, and finally reaming and honing processing is carried out, wherein floating type processing is adopted for reaming and honing, the influence on the position degree is limited, and therefore fine boring is carried out for determining the position degree of the crankshaft hole. The crankshaft hole fine boring machining mainly adopts the combination machining of two long and short boring cutters, a plurality of sets of cutters are required to be arranged when different machine types are machined, when blades are worn and the diameter size of the crankshaft hole is smaller, automatic compensation cannot be achieved, cutters need to be frequently detached and adjusted, and production efficiency is affected.

Disclosure of Invention

The utility model provides an automatic boring cutter structure of compensation aims at solving current fine boring processing scheme and needs frequently tear open the sword knife adjustment, influences production efficiency's problem.

The utility model provides an automatic boring cutter structure of compensation, press from both sides including cutter arbor, boring blade and boring cutter, the boring blade with the boring cutter presss from both sides and connects, the boring cutter presss from both sides and locates on the cutter arbor, the boring cutter presss from both sides and rotates at the horizontal direction, is used for the adjustment the height of boring blade.

As a further improvement, the middle part of the cutter bar is provided with a middle hole for placing cooling liquid, the cutter bar is provided with a mounting hole for placing the boring cutter holder.

As a further improvement, the two sides of the boring tool holder are provided with clamping grooves, the clamping grooves are clamped at the clamping jaws of the compensating mechanism, and the compensating mechanism is driven by a servo motor.

As a further improvement of the utility model, the boring blade includes fine boring blade and heavy boring blade, the boring cutter holder includes fine boring cutter holder and heavy boring cutter holder, the fine boring blade connect in the top of fine boring cutter holder, the heavy boring blade connect in the top of heavy boring cutter holder.

As a further improvement of the present invention, the fine boring blade, the rough boring blade, the fine boring cutter holder and the rough boring cutter holder are all provided at least two.

As a further improvement of the utility model, one end of the cutter bar is provided with a flange connected with the main shaft.

As a further improvement, the last preceding guide key that is equipped with of cutter arbor, preceding guide key is close to the flange sets up, preceding guide key and preceding guide sleeve cooperation joint.

As a further improvement, the rear guide key matched and connected with the rear guide sleeve is arranged on the cutter bar, and the rear guide key is close to the other end of the cutter bar.

The utility model has the advantages that: this structure can realize cutter automatic compensation, promotes the machining stability of bent axle hole diameter size, still can avoid relying on artifical record to return the sword size and carry out new sword knife adjustment, and can satisfy the demand that different models processed. The online cutter adjustment can be realized, the number of the durable cutter bodies can be reduced, the cutter adjustment cost is reduced, the cutter changing time is reduced, and the working efficiency is improved.

Drawings

FIG. 1 is an overall view of the present invention;

FIG. 2 is a sectional view of a fine boring tool of the present invention;

FIG. 3 is a sectional view of the rough boring tool of the present invention;

figure 4 is a top view of the fine boring cutter part of the present invention.

Detailed Description

Reference numerals: 1-a cutter bar, 2-a fine boring blade, 3-a fine boring cutter holder, 4-a rough boring blade, 5-a rough boring cutter holder, 6-a flange, 7-a front guide key, 8-a rear guide key and 9-a clamping groove.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-4, the utility model provides an automatic boring cutter structure of compensation, including cutter arbor 1, boring blade and boring cutter clamp, the boring blade with the boring cutter clamp is connected, the boring cutter clamp is located on the cutter arbor 1, the boring cutter clamp rotates at the horizontal direction, is used for adjusting the height of boring blade.

As an embodiment of the utility model, the middle part of cutter arbor 1 is equipped with the mesopore that is used for placing the coolant liquid, be equipped with on the cutter arbor 1 and be used for placing the mounting hole of boring cutter holder.

As another embodiment of the utility model, the both sides of boring cutter holder are equipped with draw-in groove 9, draw-in groove 9 centre gripping is in compensation mechanism's jack catch department, compensation mechanism passes through servo motor drive.

As another embodiment of the present invention, the boring blade includes a fine boring blade 2 and a rough boring blade 4, the boring tool holder includes a fine boring tool holder 3 and a rough boring tool holder 5, the fine boring blade 2 is connected to the top of the fine boring tool holder 3, and the rough boring blade 4 is connected to the top of the rough boring tool holder 5.

As another embodiment of the present invention, the fine boring blade 2, the rough boring blade 4, the fine boring holder 3, and the rough boring holder 5 are provided at least two.

As another embodiment of the present invention, one end of the cutter bar 1 is provided with a flange 6 connected with the main shaft.

As another embodiment of the utility model, be equipped with preceding guide key 7 on the cutter arbor 1, preceding guide key 7 is close to flange 6 sets up, preceding guide key 7 cooperates the joint with preceding guide sleeve.

As another embodiment of the utility model, be equipped with the back guide key 8 with back uide bushing cooperation joint on the cutter arbor 1, back guide key 8 is close to the other end setting of cutter arbor 1.

The utility model provides an automatic boring cutter structure of compensation, this structure can realize cutter automatic compensation, promotes the processing stability of bent axle hole diameter size, still can avoid relying on artifical record back tool size to carry out new sword knife adjustment, and can satisfy the demand of different model processing. The online cutter adjustment can be realized, the number of the durable cutter bodies can be reduced, the cutter adjustment cost is reduced, the cutter changing time is reduced, and the working efficiency is improved.

Locate 1 one end of cutter arbor the flange 6 with the main shaft is connected, 7 joints of preceding guide key are in the preceding guide sleeve, 8 joints of back guide key are in the back guide sleeve, the main shaft rotates and drives cutter arbor 1 is rotatory, 7 drives of preceding guide key preceding guide sleeve synchronous revolution, 8 drives of back guide key back guide sleeve synchronous revolution, preceding guide sleeve and back guide sleeve can play the support cutter arbor 1 effect avoids the course of working cutter arbor 1 beats too greatly, leads to the machined position degree not good.

In the rotating process of the cutter bar 1, the rough boring blade 4 and the fine boring blade 2 respectively bore a crankshaft hole, if the diameter of the crankshaft hole is detected to be smaller or larger in the machining process, a controller compares and calculates a difference value between a machining actual size and a nominal value, then a servo motor of the compensation mechanism is controlled and driven by a PLC (programmable logic controller), the PLC converts the difference value into a rotation angle of a clamping jaw, the clamping jaw of the compensation mechanism is clamped at the clamping groove 9, the clamping jaw rotates to drive the clamping groove 9 to rotate an angle provided by the PLC, so that the fine boring cutter holder 3 and the coarse boring cutter holder 5 rotate, and the fine boring blade 2 and the coarse boring blade 4 are triangular, so that the fine boring blade 2 and the coarse boring blade 4 can generate height changes in the rotating process, the calculated difference value is matched, automatic compensation is achieved, and the stability of the fine boring diameter size of the crankshaft hole is improved.

The fine boring blade 2 and the rough boring blade 4 may be provided in plural, and in this embodiment, five fine boring blades 2 are provided, and three rough boring blades 4 are provided. The boring cutter holder and the boring blade are of an integrated structure, so that if the blade is damaged, the boring cutter holder only needs to be taken out of the mounting hole for replacement, the cutter bar 1 does not need to be replaced, and the cutter replacement cost is reduced.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The automatic compensation boring cutter structure is characterized by comprising a cutter bar, a boring cutter blade and a boring cutter clamp, wherein the boring cutter blade is connected with the boring cutter clamp, the boring cutter clamp is arranged on the cutter bar, and the boring cutter clamp rotates in the horizontal direction and is used for adjusting the height of the boring cutter blade.

2. The automatic compensating boring cutter structure of claim 1, wherein the middle part of the cutter bar is provided with a middle hole for placing cooling liquid, and the cutter bar is provided with a mounting hole for placing the boring cutter holder.

3. The automatic compensating boring cutter structure as claimed in claim 2, wherein the boring cutter holder is provided with a slot on both sides thereof, the slot is clamped at a jaw of the compensating mechanism, and the compensating mechanism is driven by a servo motor.

4. The self-compensating boring cutter structure of claim 3, wherein the boring blade comprises a fine boring blade and a rough boring blade, the boring blade holder comprises a fine boring blade holder and a rough boring blade holder, the fine boring blade is connected to the top of the fine boring blade holder, and the rough boring blade is connected to the top of the rough boring blade holder.

5. The self-compensating boring tool structure of claim 4, wherein at least two of the fine boring insert, the rough boring insert, the fine boring tool holder and the rough boring tool holder are provided.

6. The automatic compensating boring cutter structure as claimed in claim 3, wherein one end of the cutter bar is provided with a flange connected to the main shaft.

7. The automatic compensating boring cutter structure as claimed in claim 6, wherein the cutter bar is provided with a front guide key, the front guide key is arranged close to the flange, and the front guide key is in fit clamping connection with the front guide sleeve.

8. The automatic compensation boring cutter structure as claimed in claim 7, wherein the cutter bar is provided with a rear guide key engaged with the rear guide sleeve, and the rear guide key is disposed near the other end of the cutter bar.