CN211028101U

CN211028101U - Thin-wall ring-shaped part machining tool

Info

Publication number: CN211028101U
Application number: CN201922017185.8U
Authority: CN
Inventors: 马国州; 邓久军; 吴勇
Original assignee: Chongqing Tiema Special Vehicle Co ltd
Current assignee: Chongqing Tiema Special Vehicle Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-17
Anticipated expiration: 2029-11-19

Abstract

The utility model provides a thin wall loop forming element processing frock relates to machining technical field, it includes the clamping backup pad, lead screw and cutting backup pad, through set up the clamping backup pad on the lead screw and the cutting backup pad that can remove on the lead screw, and set up the cylinder boss in the clamping backup pad and provide the support, set up the cutting groove at the cutting backup pad and supply to cut off and prevent that the work piece warp, solved and cut off the technical problem that the clamping leads to work piece machining efficiency low accuracy not high repeatedly to thin wall class loop forming element processing, thereby it can process to have gained and need not to relapse the clamping, cut off, the technological effect of machining efficiency and machining precision has been improved.

Description

Thin-wall ring-shaped part machining tool

Technical Field

The utility model relates to the technical field of machining, concretely relates to thin wall loop forming element processing frock.

Background

The thin-wall annular part is a common workpiece in machining, the wall thickness is thinner, the size is generally smaller than 5mm, the length is shorter, and generally smaller than 50mm, at present, a mandrel is adopted to support the excircle of the thin-wall annular part, the annular part cannot be cut off by using the mandrel for machining, the annular part needs to be cut by using linear cutting after the turning is finished, repeated clamping is needed for secondary tool setting, the annular part cannot be finely turned once, the annular part can be cut, the cutting part is not supported, parts can be easily deformed, and the concentricity of the excircle and the inner hole of the machined workpiece can be caused by repeated clamping, so that the workpiece machining efficiency is low, the size precision is not high, and the production requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to the above-mentioned not enough and provide a thin wall loop forming element processing frock that exists among the prior art to solve the above-mentioned technical problem who cuts off the processing of thin wall class loop forming element and need relapse the clamping and lead to work piece machining efficiency low accuracy not high among the above-mentioned background art.

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

a thin-wall ring part machining tool comprises a clamping support plate, a lead screw and a cutting support plate; the clamping support plate is circular and is detachably connected to one end of the screw rod, a cylindrical boss with the diameter matched with the inner diameter of the thin-wall ring-shaped part is arranged on the side surface of the clamping support plate, and the cylindrical boss faces the other end of the screw rod; the cutting support plate is in threaded connection with the other end of the screw rod, the cutting support plate is circular and has a diameter matched with the inner diameter of the thin-wall ring-shaped piece, a cutting groove is formed in the outer side face of the circumference of the cutting support plate, the cutting support plate deviates from a positioning boss arranged on one side face of the clamping support plate, a set screw is in threaded connection with the side wall of the positioning boss, and the center lines of the clamping support plate, the cutting support plate and the screw rod are coaxial.

Compared with the prior art, the utility model discloses following beneficial effect has:

the cutting support plate and the cutting support plate are arranged to support the cutting of the machined workpiece, the cylindrical boss matched with the inner diameter of the thin-wall ring part can support and limit the machined workpiece, the cutting groove is formed in the outer side surface of the circumference of the cutting support plate to realize cutting after machining, the cutting workpiece can be effectively prevented from deforming, the cutting support plate and the lead screw are in threaded connection, the cutting support plate can be moved to perform next turning only on the lead screw for one workpiece per vehicle, repeated clamping is not needed, and the machining efficiency and the size precision of the workpiece are improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic view of the thin-walled annular member of the present invention;

FIG. 2 is a schematic structural view of the clamping support plate of the present invention;

fig. 3 is a schematic diagram of the mechanism of the middle cutting support plate of the present invention.

Reference numerals: the clamping device comprises a clamping support plate 1, a cylindrical boss 11, a screw rod 2, a positioning shaft 21, a nut 22, an elastic washer 23, a retainer ring 24, a flat key 25, a cutting support plate 3, a cutting groove 31, a positioning boss 32, a set screw 33 and a thin-wall annular part 4.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

as shown in fig. 1 to 3, the utility model provides a thin wall loop forming element processing frock, including clamping backup pad 1, lead screw 2 and cutting backup pad 3, clamping backup pad 1 is circular form and detachably connects the one end at lead screw 2, and be equipped with diameter and 4 internal diameter assorted cylinder bosss 11 of thin wall loop forming element on clamping backup pad 1's the side, cylinder boss 11 is towards the other end of lead screw 2, the diameter sets up according to 4 internal diameter sizes of thin wall loop forming element, thin wall loop forming element 4 can overlap to establish and install on cylinder boss 11 like this, the one end of work piece provides the supporting role, and play limiting displacement simultaneously. The cutting support plate 3 is connected with the other end of the screw rod 2 in a threaded manner and can move on the screw rod 2, the cutting support plate 3 is circular, the diameter of the cutting support plate is matched with the inner diameter of the thin-wall annular part 4, the other end of a workpiece is supported, the outer side surface of the circumference of the cutting support plate 3 is also provided with a cutting groove 31, the cutting groove 31 can be used for cutting off the workpiece, and the workpiece can be prevented from deforming, when the cutting support plate is used, one cutting support rod is moved on the screw rod 2 for next turning, the processing efficiency is improved, as shown in figure 3, one side surface of the cutting support plate 3, which is far away from the clamping support plate 1, is provided with a positioning boss 32, the side wall of the positioning boss 32 is in threaded connection with a set screw 33, when the cutting support plate 3 is moved to a cutting position, the clamping support plate 1, the concentric and lead screw 2 both ends centre bore of the concentric and can guarantee finish turning back work piece excircle of this clamping backup pad 1, cutting backup pad 3 excircle and hole are concentric to guaranteed that the size of location end is in same position all the time, improved the machining precision, further can set up the centre bore at the both ends of lead screw 2, adjust well for convenient accuracy.

As shown in fig. 1, in order to enable the clamping support plate 1 to be more fixedly connected with the screw rod 2 and to be conveniently detached, a positioning shaft 21 is arranged at one end of the screw rod 2 for fixing the clamping support plate 1, the clamping support plate 1 is sleeved and fixed on the screw rod 2 through the positioning shaft 21, the screw rod 2 can be axially positioned at the shaft shoulder position contacted with the clamping support plate 1, the positioning shaft 21 is further in threaded connection with a nut 22 for pre-tightening the clamping support plate 1, and the clamping support plate 1 can be tightly pressed on the screw rod 2 through rotating the nut 22. In order to avoid damage to the clamping support plate 1, the positioning shaft 21 is further sleeved with an elastic washer 23 and a retainer ring 24 which are positioned between the nut 22 and the clamping support plate 1. As shown in fig. 2, in order to make the installation of the clamping support plate 1 more stable, the axial direction of the clamping support plate 1 is uniform and limited, the clamping support plate 1 and the positioning shaft 21 are provided with key grooves, and flat keys 25 are inserted into the key grooves, so that the clamping support plate 1 is fixed and fastened more, and the position and the size of a workpiece arranged on the clamping support plate 1 in a sleeved mode are more accurate.

The utility model discloses a theory of use is: when the clamping device is used, the clamping support plate 1 with the required size is arranged on the positioning shaft 21 of the screw rod 2 according to actual requirements, the flat key 25 is inserted, then the check ring 24 and the elastic washer 23 are sequentially arranged, and then the nut 22 is screwed down to enable the clamping support plate 1 to be tightly pressed on the screw rod 2; install cutting backup pad 3 on lead screw 2, make its location with holding screw 33 when rotatory preset position, establish the installation with 4 covers of work piece thin wall loop forming element the utility model discloses on, can carry out finish turning or cut off according to the processing needs. The cutting-off is realized by utilizing the cutting-off groove 31 formed in the cutting support plate 3, the next turning can be carried out by only moving the cutting support plate 3 on the screw rod 2 for one piece per turning without repeated clamping, the positioning size end is ensured to be always positioned at the same position, the deformation of the workpiece is prevented, the processing precision is ensured, only one-time tool setting can be realized, the follow-up workpiece does not need to be subjected to tool setting again, and the purpose of improving the processing efficiency is realized.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a thin wall annular member processing frock which characterized in that: comprises a clamping support plate (1), a screw rod (2) and a cutting support plate (3); the clamping support plate (1) is circular and detachably connected to one end of the screw rod (2), a cylindrical boss (11) with the diameter matched with the inner diameter of the thin-wall annular piece (4) is arranged on the side face of the clamping support plate (1), and the cylindrical boss (11) faces the other end of the screw rod (2); cutting backup pad (3) threaded connection is in the other end of lead screw (2), cutting backup pad (3) are circular form and the internal diameter phase-match of diameter and thin wall loop forming element (4), cutting groove (31) have been seted up to the circumference lateral surface of cutting backup pad (3), cutting backup pad (3) deviate from be equipped with location boss (32) on the side of clamping backup pad (1), threaded connection has holding screw (33) on location boss (32) lateral wall, the central line of clamping backup pad (1), cutting backup pad (3) and lead screw (2) is coaxial.

2. The thin-wall annular part machining tool according to claim 1, characterized in that: the lead screw (2) is fixed one end of the clamping support plate (1) is provided with a positioning shaft (21), the clamping support plate (1) is fixed on the lead screw (2) through the positioning shaft (21), and the positioning shaft (21) is in threaded connection with a nut (22) used for pre-tightening the clamping support plate (1).

3. The thin-wall annular part machining tool according to claim 2, characterized in that: and the positioning shaft (21) is further sleeved with an elastic washer (23) and a retainer ring (24) which are positioned between the nut (22) and the clamping support plate (1).

4. The thin-wall annular part machining tool according to claim 2 or 3, characterized in that: the clamping support plate (1) and the positioning shaft (21) are provided with key grooves, and flat keys (25) are inserted into the key grooves.