CN217647505U

CN217647505U - Hollow center replaceable inner jacking device

Info

Publication number: CN217647505U
Application number: CN202220789633.5U
Authority: CN
Inventors: 谭涛; 向前; 曹明强; 王彪; 张强; 陈宽; 王先尧
Original assignee: Wuhan Gongkang Auto Parts Co ltd
Current assignee: Wuhan Gongkang Auto Parts Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-10-25
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a top device in top interchangeable formula of fretwork, include: the driving device is sleeved in the workpiece to drive the workpiece to rotate; the pressing sleeve is sleeved on the outer side wall of the workpiece; the upper part of the connecting body is connected with a tailstock end of a machine tool, and the tailstock end of the machine tool drives the connecting body to move in the vertical direction right above the workpiece; a rolling device disposed inside the connection body; when the machine tool tailstock end drives the connecting body to move downwards to the position, where the workpiece is sleeved inside the connecting body, the pressing sleeve is in rolling connection with the rolling device. Top device add man-hour to the work piece of different models, need not change the production line, only need to change not unidimensional pressure cover and establish on the work piece, form integrative size with the top device of adaptation with the work piece, just can realize unidimensional work piece collineation production, reduction in production cost.

Description

Hollow center replaceable inner jacking device

Technical Field

The utility model relates to an automobile parts processing technology field. More specifically, the utility model relates to a top device in top interchangeable formula of fretwork.

Background

In a workpiece production line, after an initial station processes a workpiece, when a rear station processes the workpiece like a lathe, a tip structure is needed to be used for axial positioning and clamping, and the workpiece is used for positioning and rotating processing.

During product design, because the diameters of workpieces of different models are different, the tip structure design can be matched with the workpieces to design different tip sizes so as to meet production requirements, different production lines can be built for production convenience, the workpieces of the same series are produced in a collinear mode, the tip does not need to be changed in shape, the same production line can only produce products of the same series, product iteration is not met, and the input cost is high and flexibility is low.

SUMMERY OF THE UTILITY MODEL

The utility model also aims to provide a work piece collineation production of realizing not unidimensional through pressing the cover has in the top interchangeable formula of fretwork top roof device simple structure, that the input cost is low.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an inner top device with replaceable hollow tip, comprising:

the base is fixedly arranged on the machine tool, and is provided with a driving device which is sleeved in the workpiece so as to drive the workpiece to rotate;

the pressing sleeve is sleeved on the outer side wall of the workpiece;

the upper part of the connecting body is connected with a tailstock end of a machine tool, a plurality of gaps are arranged on the circumferential outer side of the lower part at intervals, and the tailstock end of the machine tool drives the connecting body to move right above the workpiece along the vertical direction;

the rolling device is arranged in the connecting body and is positioned below the notches;

when the machine tool tailstock end drives the connecting body to move downwards to the position, where the workpiece is sleeved inside the connecting body, the pressing sleeve is in rolling connection with the rolling device, and the upper portion of the workpiece is located at the notch of the connecting body.

Preferably, the base is a structure with a hollow inner part and an opening at the upper end; the driving device is a driving motor which is fixedly arranged inside the base, and an output shaft of the driving motor penetrates through the opening and is sleeved inside the workpiece.

Preferably, the connecting body comprises a morse taper shank, the upper part of the connecting body is connected with the tail seat end of the machine tool, the bottom of the connecting body is fixedly connected with the top of the body, the plurality of notches are located on the circumferential outer side of the body, and the rolling device is located inside the body.

Preferably, the rolling device comprises a plurality of bearings arranged at intervals along the height direction of the body, an outer ring of any one of the bearings is fixedly connected with the inner side wall of the body, and an inner ring of the bearing is abutted against the outer ring of the pressing sleeve.

Preferably, an inner connecting sleeve is further arranged between the pressing sleeve and the plurality of bearings, an outer ring of the inner connecting sleeve is fixedly connected with the inner rings of the plurality of bearings, and the inner ring of the inner connecting sleeve is abutted to the outer ring of the pressing sleeve.

Preferably, the top and the bottom of the inner connecting sleeve are provided with sealing rings, and the sealing rings are arranged to be used for filling a gap between the inner connecting sleeve and the body.

The utility model discloses at least, include following beneficial effect: the utility model discloses a press the cover to establish on the work piece, with top device's size looks adaptation for add man-hour to the work piece of different models, need not change the production line, only need change the size suitable press the cover just can realize not unidimensional work piece collinear production, reduction in production cost.

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 front sectional view of an inner roof device with replaceable hollow centers according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the connecting body in the above embodiment;

fig. 3 is a schematic structural diagram of the workpiece in the above embodiment.

Description reference numbers indicate:

1. the device comprises a base, 2, a driving motor, 3, a workpiece, 4, a pressing sleeve, 5, an inner connecting sleeve, 6, a deep groove ball bearing, 7, a thrust ball bearing, 8, a sealing ring, 9, a notch, 10, a body, 11 and a Momo taper shank.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-3, the utility model provides a top device in removable formula of fretwork top, include:

the base 1 is fixedly arranged on a machine tool, and a driving device is arranged on the base 1 and sleeved in the workpiece 3 to drive the workpiece 3 to rotate;

the pressing sleeve 4 is sleeved on the outer side wall of the workpiece 3;

the upper part of the connecting body is connected with a tailstock end of a machine tool, a plurality of gaps 9 are arranged on the circumferential outer side of the lower part at intervals, and the tailstock end of the machine tool drives the connecting body to move right above the workpiece 3 along the vertical direction;

a rolling device which is arranged inside the connecting body and is positioned below the plurality of notches 9;

when the tailstock end of the machine tool drives the connecting body to move downwards to the position where the workpiece 3 is sleeved in the connecting body, the pressing sleeve 4 is in rolling connection with the rolling device, and the upper part of the workpiece 3 is located at the notch 9 of the connecting body;

the base 1 is hollow and has an opening at the upper end; the driving device is a driving motor 2 which is fixedly arranged in the base 1, and an output shaft of the driving motor 2 penetrates through the opening and is sleeved in the workpiece 3;

the connecting body comprises a Moire type taper shank 11, the upper part of the connecting body is connected with the tail seat end of the machine tool, the bottom of the connecting body is fixedly connected with the top of the body 10, the plurality of notches 9 are positioned on the circumferential outer side of the body 10, and the rolling device is positioned inside the body 10;

the rolling device comprises a plurality of bearings which are arranged at intervals along the height direction of the body 10, the outer ring of any one bearing is fixedly connected with the inner side wall of the body 10, and the inner ring is abutted against the outer ring of the pressing sleeve 4.

In the above technical scheme, base 1 is fixed on the lathe, the motor sets up the inside at base 1, the output shaft of motor passes through the outside that the opening is vertical to extend base 1 and the inside butt of work piece 3, in order to drive work piece 3 and rotate, body 10 is connected with the lathe tailstock end through mo shi taper shank 11, and move along vertical direction under the drive of lathe tailstock end, breach 9 has been seted up on the lateral wall of body 10, inside is equipped with three bearing along its direction of height interval, the bearing of top and bottom sets to be used for bearing radial load deep groove ball bearing 6, the middle part sets to be used for bearing axial load thrust ball bearing 7, and the diameter of bearing and the shape looks adaptation of body 10, work piece 3 passes through pressure sleeve 4 and bearing rolling connection when stretching into the inside of body 10, and the upper portion of work piece 3 is located breach 9 department when stretching into the body inside, the cutter processes work piece 3 through the inside that breach 9 horizontally stretched into body 10.

The utility model discloses a hollow tip interchangeable formula inner prop device's application method do: firstly, a workpiece 3 is sleeved on an output shaft of a motor, then a pressing sleeve 4 with a proper size is selected according to the size of the workpiece 3 to be sleeved on the workpiece 3, so that after the workpiece 3 extends into the body 10, the outer ring of the pressing sleeve 4 can be matched with the inner ring of a bearing, the tail seat end of a starting machine tool drives the body 10 to vertically move downwards until the outer ring of the pressing sleeve 4 is abutted to the inner ring of the bearing, and then the movement is stopped, a cutter extends into the body 10 from a notch 9 and is contacted with a part of the workpiece 3 to be processed, then the driving motor 2 is started to rotate, the workpiece 3 is driven to rotate, the cutter processes the workpiece 3 rotating, after the processing is completed, the tail seat end of the starting machine tool drives the body 10 to vertically move upwards, a worker takes off the workpiece 3 and processes a second workpiece 3 according to the method, when the workpieces 3 with different types are processed, the pressing sleeve 4 with a proper size needs to be replaced, the specific size of the pressing sleeve 4 is sleeved on the outer side wall of the pressing sleeve 3, the workpiece 3 extends into the body 10, the pressing sleeve 4 is abutted to be matched with the bearing, the size of the workpiece 3, and the size of the workpiece 3 is not matched with the same size, and the production cost is reduced.

In another technical scheme, an inner connecting sleeve 5 is further arranged between the pressing sleeve 4 and the plurality of bearings, an outer ring of the inner connecting sleeve 5 is fixedly connected with inner rings of the plurality of bearings, and an inner ring of the inner connecting sleeve 5 is abutted to an outer ring of the pressing sleeve 4.

In this technical scheme, set up interior connecting sleeve 5 between bearing and the pressure cover 4, can increase the contact surface and the frictional force between pressure cover 4 and the bearing, can be better carry out spacingly to work piece 3, take place to shift when preventing to rotate.

In another technical solution, the top and the bottom of the inner connecting sleeve 5 are provided with sealing rings 8, and the sealing rings 8 are configured to fill a gap between the inner connecting sleeve 5 and the body 10.

In this technical scheme, the gap department between internal connection cover 5 and the body 10 sets up sealing washer 8, can make the bearing be in a sealed space, prevents that the cutter from entering into the bearing to the waste residue that produces when processing work piece 3, damaging the bearing.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. The utility model provides a top device in removable formula of fretwork top which characterized in that includes:

the pressing sleeve is sleeved on the outer side wall of the workpiece;

the rolling device is arranged in the connecting body and is positioned below the gaps;

2. The removable inner jacking device with a hollow center according to claim 1, wherein the base is hollow inside and has an open structure at the upper end; the driving device is a driving motor which is fixedly arranged in the base, and an output shaft of the driving motor penetrates through the opening and is sleeved in the workpiece.

3. The removable inner ejecting device with hollow center of claim 1, wherein the connecting body comprises a mo-type taper shank, the upper portion of the mo-type taper shank is connected with the tailstock end of the machine tool, the bottom portion of the mo-type taper shank is fixedly connected with the top portion of the body, the plurality of notches are located on the circumferential outer side of the body, and the rolling device is located inside the body.

4. The device for replaceable hollow center inner ejection as claimed in claim 3, wherein the rolling means includes a plurality of bearings spaced apart along the height direction of the body, an outer ring of any one of the bearings is fixedly connected to the inner side wall of the body, and an inner ring of the bearing abuts against the outer ring of the pressing sleeve.

5. The inner jacking device with the replaceable hollow center as claimed in claim 4, wherein an inner connecting sleeve is further arranged between the pressing sleeve and the plurality of bearings, an outer ring of the inner connecting sleeve is fixedly connected with inner rings of the plurality of bearings, and an inner ring of the inner connecting sleeve is abutted against an outer ring of the pressing sleeve.

6. The removable inner ejection device with a hollow center of claim 5, wherein the inner sleeve has sealing rings at the top and bottom, the sealing rings being configured to fill a gap between the inner sleeve and the body.