CN218856213U

CN218856213U - Automatic turning positioning device for bearing

Info

Publication number: CN218856213U
Application number: CN202222432986.2U
Authority: CN
Inventors: 马丰良; 李芳吉; 蒲永强; 马劲松
Original assignee: Gansu Hailin Zhongke Science And Technology Co ltd
Current assignee: Gansu Hailin Zhongke Science And Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-04-14
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to an automatic car processing positioner of bearing, it is including connecting the epaxial work piece centre gripping frock of lathe spindle and installing locating piece on the work piece centre gripping frock, the locating piece includes that connecting plate and coaxial set firmly position sleeve on the connecting plate, the annular is even on the position sleeve lateral wall has seted up the chip groove that a plurality of link up, the annular is even on the outer terminal surface of position sleeve is provided with a plurality of location bosss. Automatic car processing positioner of bearing makes the piece automatic discharge that the bearing car course of working formed, solves the problem that the piece influences the product precision, realizes robot intelligent processing, reaches the purpose that improves machining efficiency and reduce the defective products rate.

Description

Automatic turning positioning device for bearing

Technical Field

The utility model belongs to the technical field of the bearing car processing is automatic, concretely relates to automatic car processing positioner of bearing.

Background

The bearing is used as a basic mechanical part, and has the production characteristics that: the method has the advantages of strong specialization, large batch, multiple varieties and specifications and high processing quality requirement, and belongs to the production process of labor-intensive mechanical parts. With the continuous promotion of national industrial intellectualization, the intelligent manufacturing of bearing forging and grinding finish machining is popularized, and people reduction and efficiency improvement are also realized. The bearing turning is an important link in the bearing production process, and although the popularization of the numerical control lathe has the effect of reducing the number of people, the intelligent automatic manufacturing is slowly promoted.

The mainstream development direction of the intelligent machining manufacturing of the tapered roller bearing in the bearing industry is to replace manpower by a six-joint robot so as to achieve a mode of watching and managing multiple machines by one person. The difficulty that can not popularize mainly focuses on the processing to iron fillings, and long iron fillings influence processing positioning accuracy and six joint robot snatch the product, and the broken iron fillings influence product positioning accuracy. The existing scheme in the industry for processing the long scrap iron is that after a high-pressure water gun or an air gun is used for processing the scrap iron, individual enterprises adopt manual auxiliary cleaning, but the production efficiency is less than 50% of that of single double-machine processing, the defective rate is close to 10%, and the requirements of large-batch and high-precision production of bearings cannot be met. In view of the existence of above-mentioned drawback problem, the present position great and concentrated to the bits of broken glass influence in the processing, improved a bearing automation car processing positioner for the piece that bearing car course of working formed is automatic to be discharged, solves the problem that the piece influences the product precision, realizes robot intelligent processing, reaches the purpose that improves machining efficiency and reduces the defective rate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an automatic car processing positioner of bearing is provided for the piece automatic discharge that bearing car course of working formed solves the problem that the piece influences the product precision, realizes robot intelligent processing, reaches the purpose that improves machining efficiency reduction defective products rate.

In order to solve the above problems, the utility model adopts the following technical scheme:

the utility model provides an automatic car processing positioner of bearing, its includes connects the work piece centre gripping frock on the lathe spindle nose and installs locating piece on the work piece centre gripping frock, the locating piece includes the connecting plate and coaxial sets firmly position sleeve on the connecting plate, the annular is even has seted up a plurality of chip grooves that link up on the position sleeve lateral wall, the annular is even on the outer terminal surface of position sleeve is provided with a plurality of location bosss.

As an implementation mode of the present invention, the workpiece clamping tool includes a flange and a cylindrical fixture housing fixedly disposed on one side of the flange, a cylindrical mounting seat is disposed in the fixture housing, a pull rod is fixedly disposed in the middle of the mounting seat, the pull rod penetrates out from the center of the flange, a mounting plate is fixedly disposed on the right side of the mounting seat, and the positioning block is fixedly disposed on the mounting plate; the right part of the cylindrical surface of the mounting seat is uniformly provided with a plurality of grooves in an annular mode, a plurality of supporting plates which correspond to the grooves one to one are arranged between the mounting seat and the clamp shell, the supporting plates are made of elastic materials, the right end of each supporting plate is fixedly provided with a mounting block, and a tightening bolt is screwed on the mounting block in the direction towards the axis of the positioning block.

As an embodiment of the present invention, the cylindrical surface of the mounting seat is provided with a plurality of slots, the left side of the groove is connected with the groove, and the left portion of the supporting plate is bent to form a U-shaped portion adapted to the slots.

As an embodiment of the utility model, it is a plurality of the draw-in groove annular intercommunication forms a ring channel together, the cover is equipped with an annular jump ring above all U type portions of ring channel is inherent.

As an embodiment of the present invention, the support plate is made of spring steel.

As an embodiment of the utility model, the inside high inner inclined plane in the low right side in a left side that is equipped with of anchor clamps shell outer end, be equipped with on the installation piece with the outer inclined plane of inner inclined plane looks adaptation.

As an embodiment of the utility model, the location boss is equipped with threely, the chip groove is convex.

As an embodiment of the utility model, the flange inboard has set firmly the guide post, seted up on the mount pad with the guiding hole that the guide post corresponds prevents mount pad and anchor clamps shell take place relative rotation.

As an embodiment of the utility model, be equipped with a plurality of connecting bolt on the flange, be used for fixing it on the lathe spindle nose, the lathe spindle nose is the hollow shaft, the pull rod links to each other with hydraulic cylinder after passing in the middle of the lathe spindle nose.

As an embodiment of the present invention, the positioning block is made of stainless steel.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the bearing car processing locating piece can not the pinpoint product in the processing, and main influence factor has two: firstly, traditional locating piece primary structure material is 45# steel, very easily by the magnetization, even through the demagnetization, when magnetic force is less than 0.5mT, still adsorbs some fine crushing iron fillings and influences product positioning accuracy (product terminal surface parallelism technological requirement is less than 0.03 mm). In the application, the material of the positioning block is selected again, the axial positioning block is made of stainless steel material, and three positioning bosses are processed by utilizing the three-point positioning principle, so that the contact area of a product and a workpiece is reduced, and the purpose of reducing the influence of scraps is achieved; the second influencing factor is that in order to ensure that the positioning block does not interfere with the cutter when the bearing inner circle is machined, the front part of the positioning block is designed with an empty cutter interval, and broken iron scraps are easy to be retained between the empty cutter interval of the positioning block and a product in the machining process and cannot be smoothly discharged (see fig. 4). The solution is that three chip grooves are processed on the space between the empty cutters of the positioning block by utilizing the principle that the axial stress of the positioning block is smaller, and retained scrap iron is discharged by utilizing the centrifugal force generated by the rotation of the main shaft. Automatic car processing positioner of bearing makes the piece automatic discharge that the bearing car course of working formed, solves the problem that the piece influences the product precision, realizes robot intelligent processing, reaches the purpose that improves machining efficiency and reduce the defective index.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the middle positioning block of the present invention.

Fig. 3 is another schematic structural diagram of the positioning block of the present invention.

Fig. 4 is a schematic structural view of a conventional positioning apparatus.

Wherein: the fixture comprises a flange 1, a fixture shell 2, a pull rod 3, a mounting seat 4, a mounting plate 5, a bearing plate 6, a U-shaped part 7, a groove 8, a snap spring 9, a mounting block 10, a puller bolt 11, a positioning block 12, a connecting plate 13, a positioning sleeve 14, a connecting hole 15, a chip removal groove 16, a positioning boss 17, a guide post 18, a guide hole 19, a workpiece 20 and a clamping groove 21.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the following description of the present invention with reference to specific embodiments is given for clear and complete description.

The automatic bearing turning positioning device shown in fig. 1-3 comprises a workpiece clamping tool connected to a spindle head of a machine tool and a positioning block 12 mounted on the workpiece clamping tool, wherein the positioning block 12 comprises a connecting plate 13 and a positioning sleeve 14 coaxially and fixedly arranged on the connecting plate 13, a plurality of through chip grooves 16 are uniformly formed in the side wall of the positioning sleeve 14 in an annular manner, and a plurality of positioning bosses 17 are uniformly arranged on the outer end face of the positioning sleeve 14 in an annular manner. The number of the positioning bosses 17 is three, and the chip grooves 16 are arc-shaped.

Three positioning bosses 17 are machined by utilizing a three-point positioning principle, so that the contact area of a product and a workpiece 20 is reduced, and the purpose of reducing the influence of scraps is achieved; by utilizing the principle that the axial stress of the positioning block 12 is smaller, three chip grooves 16 are processed at the space between the empty cutters of the positioning block 12, and retained scrap iron is discharged by utilizing the centrifugal force generated by the rotation of the main shaft. Automatic car processing positioner of bearing makes the piece automatic discharge that the bearing car course of working formed, solves the problem that the piece influences the product precision, realizes robot intelligent processing, reaches the purpose that improves machining efficiency and reduce the defective products rate.

In the embodiment, the workpiece clamping tool comprises a flange 1 and a cylindrical clamp shell 2 fixedly arranged on one side of the flange 1, a cylindrical mounting seat 4 is arranged in the clamp shell 2, a pull rod 3 is fixedly arranged in the middle of the mounting seat 4, the pull rod 3 penetrates out of the center of the flange 1, a mounting plate 5 is fixedly arranged on the right side of the mounting seat 4, and a positioning block 12 is fixedly arranged on the right side of the mounting plate 5; a plurality of grooves 8 are uniformly formed in the right part of the cylindrical surface of the mounting seat 4 in an annular mode, a plurality of supporting plates 6 which correspond to the grooves 8 one by one are arranged between the mounting seat 4 and the clamp shell 2, and the left parts of the supporting plates 6 are embedded into the grooves 8. The support plate 6 is made of elastic material, in this embodiment, the support plate 6 is made of spring steel, a mounting block 10 is fixedly arranged at the right end of the support plate 6, a puller bolt 11 is screwed on the mounting block 10 in the direction of the axis of the positioning block 12 and used for clamping a workpiece 20, and six support plates 6 are arranged in this embodiment.

A plurality of clamping grooves 21 are formed in the cylindrical surface of the mounting seat 4, the left side of the groove 8 is communicated with the groove 8, and the left part of the bearing plate 6 is bent to form a U-shaped part 7 matched with the clamping grooves 21. As a further optimization, a plurality of the clamping grooves 21 are annularly communicated together to form an annular groove, and an annular snap spring 9 is sleeved above all the U-shaped parts 7 in the annular groove and used for fixing the left end of the bearing plate 6.

As a further optimization, an inner inclined plane with a lower left part and a higher right part is arranged inside the outer end of the clamp shell 2, and an outer inclined plane matched with the inner inclined plane is arranged on the mounting block 10. Or an inner conical surface is arranged inside the outer end of the clamp shell 2, and an outer conical surface corresponding to the inner conical surface is arranged on the mounting block 10.

A guide post 18 is fixedly arranged on the inner side of the flange 1, and a guide hole 19 corresponding to the guide post 18 is formed in the mounting seat 4 and used for preventing the mounting seat 4 and the clamp shell 2 from rotating relatively.

The flange 1 is provided with a plurality of connecting bolts for fixing the flange on a machine tool spindle head, the machine tool spindle head is a hollow shaft, and the pull rod 3 penetrates through the middle of the machine tool spindle head and then is connected with the hydraulic oil cylinder. When the device is used, the pull rod 3 is controlled to move rightwards, the right end of the supporting plate 6 automatically expands outwards, the workpiece 20 is loosened, and the workpiece 20 can be taken away; similarly, after the workpiece 20 is placed, the pull rod 3 is controlled to move leftwards, the right end of the support plate 6 is contracted inwards under the action of the clamp shell 2, and the tightening bolt 11 can clamp the workpiece 20.

The positioning block 12 is made of stainless steel which is not easy to be magnetized, and can prevent the positioning block from adsorbing some fine scrap iron to influence the positioning precision of the product.

In this embodiment, the right portion of the pull rod 3 is fixedly connected with the mounting seat 4 and the mounting plate 5, the connecting plate 13 is provided with three connecting holes 15, and the flange 1 and the fixture housing 2, the mounting seat 4 and the mounting plate 5, the positioning block 12 and the mounting plate 5, and the support plate 6 and the mounting block 10 are detachably connected together through bolts.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may still modify the technical solutions described in the foregoing embodiments, or may substitute some technical features of the foregoing embodiments; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides an automatic car processing positioner of bearing which characterized in that: it is including connecting the work piece centre gripping frock on the lathe spindle nose and installing locating piece on the work piece centre gripping frock, the locating piece includes that connecting plate and coaxial set firmly position sleeve on the connecting plate, the annular is even sets up a plurality of chip grooves that link up on the position sleeve lateral wall, the annular is even on the outer terminal surface of position sleeve is provided with a plurality of location bosss.

2. The automatic bearing turning and positioning device of claim 1, wherein: the workpiece clamping tool comprises a flange and a cylindrical fixture shell fixedly arranged on one side of the flange, a cylindrical mounting seat is arranged in the fixture shell, a pull rod is fixedly arranged in the middle of the mounting seat and penetrates out of the center of the flange, a mounting plate is fixedly arranged on the right side of the mounting seat, and a positioning block is fixedly arranged on the mounting plate; the right part of the cylindrical surface of the mounting seat is uniformly provided with a plurality of grooves in an annular mode, a plurality of supporting plates which correspond to the grooves one to one are arranged between the mounting seat and the clamp shell, the supporting plates are made of elastic materials, the right end of each supporting plate is fixedly provided with a mounting block, and a tightening bolt is screwed on the mounting block in the direction towards the axis of the positioning block.

3. The automatic bearing turning and positioning device according to claim 2, characterized in that: and a plurality of clamping grooves are formed in the left side of the groove on the cylindrical surface of the mounting seat and communicated with the groove, and the left part of the supporting plate is bent to form a U-shaped part matched with the clamping grooves.

4. The automatic bearing turning and positioning device of claim 3, wherein: a plurality of the clamping grooves are annularly communicated together to form an annular groove, and an annular clamp spring is sleeved above all U-shaped parts in the annular groove.

5. The automatic bearing turning and positioning device of claim 2, wherein: the support plate is made of spring steel.

6. The automatic bearing turning and positioning device according to claim 5, characterized in that: the fixture comprises a fixture shell, and is characterized in that an inner inclined plane with a lower left part and a higher right part is arranged in the outer end of the fixture shell, and an outer inclined plane matched with the inner inclined plane is arranged on the mounting block.

7. The automated bearing turning and positioning device of any one of claims 1-6, wherein: the location boss is equipped with threely, the chip groove is arc.

8. The automated bearing turning positioning device of any one of claims 2-6, wherein: the flange inboard sets firmly the guide post, set up on the mount pad with the guiding hole that the guide post corresponds prevents mount pad and anchor clamps shell from taking place relative rotation.

9. The automatic bearing turning and positioning device of claim 8, wherein: the flange is provided with a plurality of connecting bolts for fixing the flange on the machine tool spindle head, the machine tool spindle head is a hollow shaft, and the pull rod penetrates through the middle of the machine tool spindle head and then is connected with the hydraulic oil cylinder.

10. The automatic bearing turning and positioning device of claim 1, wherein: the positioning block is made of stainless steel.