CN205324755U

CN205324755U - Boring bar guider

Info

Publication number: CN205324755U
Application number: CN201521051747.6U
Authority: CN
Inventors: 圣乔乔; 王鹏; 潘福斌; 李华浩; 周平; 庞付
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2015-12-16
Filing date: 2015-12-16
Publication date: 2016-06-22
Anticipated expiration: 2025-12-16

Abstract

The utility model discloses a boring bar guider for cylinder block main shaft hole, protruding axle hole's processing, including the uide bushing, uide bushing activity set up on the bearing frame, the uide bushing inner wall be equipped with the cutter holder recess that boring bar surface cutter holder passes through, be equipped with an upset link gear in the uide bushing side, the link gear boring bar when the boring bar is worn to establish in the uide bushing that should overturn can rotate with the uide bushing in step, the uide bushing is locked on the bearing frame after the boring bar breaks away from uide bushing (2). The utility model discloses an adopt the uide bushing to fix a position the boring bar, effectively solved the boring bar and in the course of working, the wobbling problem has appeared owing to the boring bar overlength, strengthened the rigidity of boring bar, guaranteed product quality, reduced the cost of charp tool, improve production efficiency.

Description

A kind of boring bar guide device

Technical field

This utility model relates to engine manufacture field, particularly to a kind of boring bar guide device。

Background technology

In traditional engine manufacture field, cylinder block is when heavy boring semicircle orifice, owing to cylinder block positions with bottom surface plane and two pits, and the very long poor rigidity that causes of boring bar, the machining accuracy of semicircle orifice can be affected during bore hole, it is therefore desirable to increase a set of boring bar fairlead device。But distribution has some to protrude the cutter holder on surface on boring bar, toolholder portion is wanted to pass through fairlead, and the cutter holder groove on fairlead together to rotate along with boring bar and could meet requirement。

Accordingly, it would be desirable to design a set of can for boring bar process cylinder block semicircle orifice play guide effect, the guider of good matching mechanism can be had thoroughly to solve this class processing problems when cutter holder is by fairlead again。

Utility model content

This utility model is to overcome defect in above-mentioned prior art, it is provided that a kind of boring bar guidance method and guider, utilizes the method and device to process machining accuracy during cylinder block semicircle orifice high。

For realizing above-mentioned utility model purpose, this utility model provides the guider of a kind of boring bar guidance method, including fairlead, described fairlead is movably arranged on bearing block, described fairlead inwall is provided with the toolholder recess that boring bar outer surface cutter holder passes through, being provided with a reverse Interaction mechanism in fairlead side, this reverse Interaction mechanism is boring bar and fairlead energy synchronous axial system when boring bar is located in fairlead, and after boring bar departs from fairlead, fairlead is locked on bearing block。

Further, described reverse Interaction mechanism includes the convertible gib head key being arranged on fairlead end face, and this convertible gib head key has the inner edge stretching in fairlead and the outside coordinated with bearing block, and convertible gib head key is flexibly connected with fairlead by a bearing。

Further, one compression spring is installed between the inner edge and fairlead of convertible gib head key, a gib head key draw-in groove is offered at the bearing block end face corresponding with outside convertible gib head key, also offering continuous axially extending groove at the outer surface of boring bar, the shape of this axial notch is suitable with the inner edge of convertible gib head key。

Further, inner edge and the outside of described convertible gib head key are substantially vertical, are connected by an arc linkage section between inner edge and outside。

Compared with prior art, this utility model has the advantages that and adds a boring bar guide device, by adopting fairlead that boring bar is positioned, efficiently solve boring bar in the course of processing, due to boring bar long and occur swing problem, enhance the rigidity of boring bar, it is ensured that product quality；Simple to operate, improve production efficiency；Effectively prevent the cutter on boring bar to be subject to heavy wear or damage because of collision, enhance the life-span of cutter, reduce the cost of charp tool, improve productivity effect；Guider simple in construction, easily manufactured, strong adaptability, can according to circumstances meet the requirement of different boring bar size。

Accompanying drawing explanation

Fig. 1 is the front view of the installation diagram of guider of the present utility model；

Fig. 2 is the top view of the installation diagram of guider of the present utility model；

Fig. 3 is the front view of boring bar；

Fig. 4 is the left view of boring bar；

Fig. 5 is the front view of fairlead of the present utility model；

Fig. 6 is the top view of fairlead of the present utility model；

Fig. 7 is the structure enlarged diagram of gib head key of the present utility model；

The master that Fig. 8 is eave tile keyseat of the present utility model looks enlarged drawing；

Fig. 9 is the top perspective view of eave tile keyseat of the present utility model；

Figure 10 is the structure enlarged diagram of compression spring of the present utility model。

In figure: 1, boring bar, 11, axial notch, 12, cutter holder, 2, fairlead, 21, toolholder recess, 3, bearing block, 31, gib head key draw-in groove, 4, convertible gib head key, 41, the inner edge of convertible gib head key, 42, the outside of convertible gib head key, 5, bearing, 6, compression spring。

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail, it is to be understood that protection domain of the present utility model is not by the restriction of detailed description of the invention。

Embodiment of the present utility model is such that as shown in Fig. 1～10, first, before boring bar 1 starts, namely before boring bar 1 stretches into fairlead 2, the state that fairlead 2 parts such as grade present is as shown in Figure 1: the inner edge 41 of convertible gib head key 4 is upspring by compression spring 6, outside convertible gib head key 4,42 are stuck in the axial notch 11 of bearing block 3 end face, it is subject to the restriction effect of convertible gib head key 6, fairlead 2 is also secured at some orientation and remains stationary as, play a directed effect, so that when boring bar 1 works, cutter holder 12 above it can pass through the toolholder recess 21 in fairlead 2 and not interfere。

Now boring bar 1 is slowly stretched into fairlead 2, orientation due to fairlead 2 before, the long axial notch 11 of boring bar 1 side just matches with the inner edge 41 of convertible gib head key 4, the cutter holder 12 of boring bar 1 projection passes through the toolholder recess 21 in fairlead 2 and does not interfere simultaneously, boring bar 1 makes the inner edge 41 of convertible gib head key 4 promote compression spring 6 to compress to the pressure of convertible gib head key 4, the outside 42 of convertible gib head key 4 is separated under the leverage of straight pin from the gib head key draw-in groove 31 of bearing block 3 end face, now the orientation of convertible gib head key 4 is not in action。Wherein, boring bar 1 and fairlead 2 precision-fit between the two, it is ensured that machining accuracy, boring bar 1 is played the effect that support centers and leads by guider, can efficiently solve in boring bar 1 course of processing, cause the big poor rigidity of amplitude of fluctuation, the problem affecting machining accuracy owing to boring bar 1 is long；The smart structural design of guider, it is possible to be assembled in fairlead 2 by boring bar 1 rapidly, saves the time, reduces production cost。

Then, start boring bar 1 to be processed, convertible gib head key 4 is in close contact with the axial notch 11 on boring bar 1, by the transmission of power, the connection of convertible gib head key 4 and bearing 5 makes fairlead 2 also indirectly rotate, and the cutter holder 12 of boring bar 1 projection does not interfere mutually with the toolholder recess 21 in fairlead 2, does not affect the fairlead 2 guiding to boring bar 1, the cutter holder 12 being beneficial to boring bar 1 projection passes through fairlead 2。Boring bar 1 is under the guide effect of fairlead 2, and amplitude of fluctuation is little, good rigidly, effectively prevents the cutter on boring bar 1 to be subject to heavy wear or damage because of collision, enhances the life-span of cutter, save the cost of charp tool。

After processing workpiece, boring bar 1 stops operating, just align with the toolholder recess 21 in fairlead 2 in cutter holder 12 direction of boring bar 1, boring bar 1 withdraws lentamente from fairlead 2, the inner edge 41 of convertible gib head key 4 is upspring by compression spring 6, outside convertible gib head key 4,42 are stuck in the gib head key draw-in groove 31 of bearing block 3 end face, it is subject to the restriction effect of convertible gib head key 6, fairlead 2 is also secured at some orientation and remains stationary as, play a directed effect, guider restPoses, and now machines。Stretching into fairlead 2 from boring bar 1 and start processing, then exit fairlead 2 to machining rear boring bar 1, the operation of whole process is very simple and convenient；Guider simple in construction, easily manufactured, strong adaptability, can according to circumstances meet the requirement of different boring bar 2 size, be conducive to improving production efficiency。

The aforementioned description to specific illustrative embodiment of the present utility model illustrates that and the purpose of illustration。These describe and are not wishing to be defined to this utility model disclosed precise forms, and it will be apparent that according to above-mentioned instruction, it is possible to carry out much changing and change。Purpose exemplary embodiment selected and describe is in that to explain certain principles of the present utility model and practical application thereof, so that those skilled in the art is capable of and utilizes various different exemplary of the present utility model and various different selection and change。Scope of the present utility model is intended to be limited by claims and equivalents thereof。

Claims

1. a boring bar guide device, including fairlead (2), described fairlead (2) is movably arranged on bearing block (3), it is characterized in that, described fairlead (2) inwall is provided with the toolholder recess (21) that boring bar (1) outer surface cutter holder (12) passes through, it is provided with a reverse Interaction mechanism in fairlead (2) side, this reverse Interaction mechanism is boring bar (1) and fairlead (2) energy synchronous axial system when boring bar (1) is located in fairlead (2), depart from fairlead (2) fairlead afterwards (2) at boring bar (1) to be locked on bearing block (3)。

2. boring bar guide device according to claim 1, it is characterized in that, described reverse Interaction mechanism includes the convertible gib head key (4) being arranged on fairlead (2) end face, and this convertible gib head key (4) has the inner edge (41) stretched in fairlead (2) and the outside (42) coordinated with bearing block (3)；Convertible gib head key (4) is flexibly connected with fairlead (2) by a bearing (5)。

3. boring bar guide device according to claim 2, it is characterized in that, between the inner edge (41) and fairlead (2) of described convertible gib head key (4), a compression spring (6) is installed, a gib head key draw-in groove (31) is offered at bearing block (3) end face corresponding with convertible gib head key (4) outside (42), also offering continuous axially extending groove (11) at the outer surface of boring bar (1), the shape of this axial notch (11) is suitable with the inner edge (41) of convertible gib head key (4)。

4. the boring bar guide device according to Claims 2 or 3, it is characterized in that, inner edge (41) and outside (42) of described convertible gib head key (4) are substantially vertical, are connected by an arc linkage section between inner edge (41) and outside (42)。