WO2020118868A1

WO2020118868A1 - Center frame for milling of slender shaft part of valves

Info

Publication number: WO2020118868A1
Application number: PCT/CN2019/072510
Authority: WO
Inventors: 严伟
Original assignee: 无锡鹰贝精密轴承有限公司
Priority date: 2018-12-12
Filing date: 2019-01-21
Publication date: 2020-06-18
Also published as: CN109571064A

Abstract

Disclosed is a center frame for the milling of a slender shaft part of valves, the center frame comprising a connecting base (101), wherein the connecting base is provided with an adjusting block (102) capable of ascending and descending, a left section of the top of the adjusting block is a part placement platform (102.3), a right section of the top of the adjusting block is provided with a second bearing (107), the left side of the top of the adjusting block is provided with a first bearing (106) capable of moving left and right, a part (108) is placed on the part placement platform (102.3) in a working state, the first bearing (106) and the second bearing (107) tightly abut against the part respectively from the left and right sides, and the central heights of the first bearing and the second bearing are higher than the central height of the part. The center frame has the advantages of convenient operation, good universality, fast feeding during milling, good runout, good smoothness, and fast rotation speed.

Description

Valve type slender shaft parts milling machining center frame

Technical field

The invention relates to a milling and machining center frame for valve-type slender shaft parts, which belongs to the technical field of auxiliary tooling for inspection tools.

Background technique

The traditional milling and machining center frame of valve slender shaft parts has only two points of support. When processing slender shaft parts, there are problems such as slow feed, poor runout, poor smoothness, and poor speed.

Summary of the invention

The purpose of the present invention is to overcome the above-mentioned shortcomings, and to provide a milling and machining center frame for valve slender shaft parts with convenient operation, good versatility, fast feed, good runout, good finish and fast speed during milling.

The purpose of the present invention is achieved as follows:

A milling machining center frame for valve-like elongated shaft parts, characterized in that it includes a connecting base, and an adjusting block that can be moved up and down is provided on the connecting base, and the top left section of the adjusting block is a part rest platform. A second bearing is provided on the top right section of the adjustment block, and a first bearing movable on the left and right is provided on the top left side of the adjustment block, and the part is placed on the part placement platform in the working state, the first bearing and the second bearing They are close to the parts, and the center height of the first bearing and the second bearing is higher than the center height of the parts.

As a preference, the connecting base is provided with vertically arranged adjustment block channels, and the adjustment block channels are provided with adjustment blocks, and the width of the adjustment block and the width of the adjustment block channel match each other.

As a preferred embodiment, the adjusting block is provided with a plurality of lumbar circular grooves in the front-rear direction, and the adjusting block is locked and fixedly connected to the connecting base through the lug circular groove through the locking bolts of the adjusting block.

As a preference, an adjustment rack is provided on the middle section on the left side of the adjustment block, and an adjustment gear meshes with the adjustment rack.

As a preference, a cylinder on the top of the connection base is provided with a rightward cylinder, the left end of the rod is connected to the telescopic end of the cylinder, and the right end of the rod is connected to the first bearing.

As a preference, the tie rod is located in a transverse tie rod telescopic channel connected to the top of the base, and the inner diameter of the tie rod telescopic channel matches the outer diameter of the tie rod.

Compared with the prior art, the beneficial effects of the present invention are:

The invention has reasonable design, simple structure, low manufacturing cost, simple operation, and no need to worry about positioning during installation. For the workpieces with the same outer diameter, the positioning can be completed during the first shunting. There is no need to repeat the adjustment for each workpiece, which solves the problems of low speed, poor runout, poor finish, and slow feed. Therefore, the milling and machining center frame of the slender shaft parts of the valve of the invention has the advantages of convenient operation, good versatility, fast feed during milling, good runout, good smoothness and fast rotation speed.

BRIEF DESCRIPTION

Fig. 1 is a schematic diagram of a milling and machining center frame of a valve shaft.

among them:

Valve type slender shaft parts milling center frame 100, connecting base 101, adjusting block channel 101.1, adjusting gear mounting hole 101.2, tie rod telescopic channel 101.3, adjusting block 102, waist circular groove 102.1, adjusting rack 102.2, parts rest platform 102.3. Adjustment gear 103, cylinder 104, tie rod 105, first bearing 106, second bearing 107, and part 108.

detailed description

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

Referring to FIG. 1, the present invention relates to a valve-type elongated shaft part milling machining center frame 100, which includes a connection base 101, which is installed on a T-slot of a CNC machine tool table, and the connection The base 101 is provided with a vertically arranged adjusting block channel 101.1. The adjusting block channel 101.1 is provided with an adjusting block 102 whose width matches the width of the adjusting block channel 101.1. The adjusting block 102 The front and rear directions are provided with a plurality of lumbar circular grooves 102.1, and the adjusting block 102 is fixedly connected to the connecting base 101 through the lumbar circular groove 102.1 through the adjusting block locking bolt 103, and the left side of the adjusting block 102 An adjustment rack 102.2 is provided on the middle section, an adjustment gear mounting hole 101.2 is provided on the connection base 101 on the left side of the adjustment block channel 101.1, an adjustment gear 103 is installed in the adjustment gear mounting hole 101.2, and the adjustment gear 103 Engage with the adjusting rack 102.2, the upper end of the adjusting block 102 extends beyond the adjusting block channel 101.1, the top of the connecting base 101 is provided with a lateral pull rod telescopic channel 101.3, the left side of the pull rod telescopic channel 101.3 A cylinder 104 arranged to the right is fixedly arranged, and a lateral rod 105 is provided in the rod telescopic channel 101.3. The inner diameter of the rod telescopic channel 101.3 matches the outer diameter of the rod 105. The left end of the rod 105 is connected to the telescopic end of the cylinder 104 , The right end of the pull rod 105 is connected to the first bearing 106 through a first pin, the top left section of the adjustment block 102 is a part rest platform 102.3, the top right section of the adjustment block 102 is connected with a second pin and The second bearing 107 is connected. In the working state, the part 108 rests on the part rest platform 102.3, the first bearing 106 and the second bearing 107 respectively abut the part 108, and the center height of the first bearing 106 and the second bearing 107 is higher than the center height of the part 108, As a result, the first bearing 106 and the second bearing 107 have a downward component force on the clamping force of the part 108, so that the part 108 abuts on the part rest platform 102.3, reducing runout.

Method for using milling and machining center frame of valve slender shaft parts:

First, install the connection base on the T-slot of the CNC machine table, install the adjustment gear and the adjustment block in sequence, then install the cylinder, telescopic rod, and the first bearing and the second bearing, adjust the adjustment block by adjusting the rotation of the gear The height makes the center height of the first bearing and the second bearing slightly higher than the center height of the parts to be processed. After the height of the adjustment block meets the requirements, lock the adjustment block locking bolt, and then place the part on the part rest platform, the cylinder The extension causes the first bearing to move to the right against the part and start the milling operation of the part.

The above are only specific application examples of the present invention, and do not limit the protection scope of the present invention. All technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

A milling machining center frame for valve-like elongated shaft parts, characterized in that it includes a connecting base (101), and an adjusting block (102) capable of lifting up and down is provided on the connecting base (101). The top left section of 102) is a parts rest platform (102.3), the top right section of the adjustment block (102) is provided with a second bearing (107), and the top left side of the adjustment block (102) is provided with a left and right The moving first bearing (106), the part (108) rests on the part rest platform (102.3) in the working state, the first bearing (106) and the second bearing (107) are close to the part (108), and the first The center height of the first bearing (106) and the second bearing (107) is higher than the center height of the part (108).
A milling center frame for valve-like elongated shaft parts according to claim 1, characterized in that the connecting base (101) is provided with vertically arranged adjusting block channels (101.1), and the adjusting block channels An adjustment block (102) is provided in (101.1), and the width of the adjustment block (102) matches the width of the adjustment block channel (101.1).
The milling machining center frame of valve-like elongated shaft parts according to claim 1, characterized in that the adjusting block (102) is provided with a plurality of penetrating lumbar grooves (102.1) in the front-back direction, which is locked by the adjusting block The tightening bolt (103) passes through the waist circular groove (102.1) to lock and fix the adjusting block (102) and the connecting base (101).
A milling machining center frame for valve-like elongated shaft parts according to claim 1, characterized in that an adjustment rack (102.2) and an adjustment gear (103) are provided on the middle section of the left side of the adjustment block (102) ) Meshes with the adjustment rack (102.2).
A milling machining center frame for valve-like elongated shaft parts according to claim 1, characterized in that a cylinder (104) to the right and a left end of the rod (105) are provided on the top of the connecting base (101) It is connected to the telescopic end of the cylinder (104), and the right end of the tie rod (105) is connected to the first bearing (106).
A milling machining center frame for valve-like elongated shaft parts according to claim 5, characterized in that the tie rod (105) is located in a transverse tie rod telescopic channel (101.3) at the top of the connecting base (101), and the tie rod telescopic channel The inner diameter of (101.3) matches the outer diameter of the tie rod (105).