CN2555962Y

CN2555962Y - Rolling device for cold extruding external screw

Info

Publication number: CN2555962Y
Application number: CN 02223041
Authority: CN
Inventors: 杨唯
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-21
Filing date: 2002-06-21
Publication date: 2003-06-18
Anticipated expiration: 2012-06-21

Abstract

The utility model relates to a rolling device for cold extruding external screw treatment. A working unit with a axial perforation space is fixedly connected at one side of a matrix unit through a connecting structure and an axial extending caudal peduncle vertical to the surface of the working unit is arranged at the central position of the other side of the matrix unit opposite to the working unit. Three connection units which are positioned on the matrix through the connecting structure are uniformly distributed at the close circumferential margin of the perforation space of the working unit in the mode of central symmetry and the same mode and thread rolling cylindrical dies which are connected on a core shaft through a bearing structure and can be cooperated with each other are arranged on various connection units in the same mode. The axial position spaces which can be provided for the workpieces to enter and exit when the thread rolling processing is applied to the workpieces are arranged at the symmetrical centers of various thread rolling cylindrical dies. The rolling device for cold extruding external screw treatment can be cooperated with the lathes and the related equipments to carry out the cold extrusion to process various external threads, and has the advantages of good processing quality, high precision, adjustable size, etc.

Description

The rolling device of cold extrusion external screw thread processing usefulness

Technical field

The utility model relates to and a kind ofly carry out the rolling device of cold extrusion threading vertically to be fade-in the formula feed.

Background technology

The traditional mode of threading is carried out with circular die or car silk mode on workpiece.Work efficiency during with the lathe tool machining screw is low and labour intensity is big; Use the circular die machining screw, then not only same work efficiency is very low, and of poor quality.Be head it off, now existing a kind of semi-automatic rolling tool for external thread that uses on the lathe tailstock that is installed in, but its complex structure, the crudy instability, and the operation of replacing cylindrical die roll bothers very much.

The utility model content

According to above-mentioned situation, the utility model will provide a kind of rolling device of cold extrusion external screw thread processing usefulness, make it can carry out cold extrusion and process various external screw threads by engine lathe or corresponding apparatus, if and processing pitch tooth form etc. require identical, only need do the adjustment of partial structurtes part and replacing and need not to change cylindrical die roll, just can process the external screw thread of multiple diameter, work efficiency can be much higher than the processing mode of traditional screw die and Che Si.

The structure of the rolling device of cold extrusion external screw thread processing usefulness of the present utility model, be to be fixed with a working cell that has an axial run-though space in a side of base unit through syndeton, the opposite side centre of base unit on the other side is provided with vertical with the plane, a working cell caudal peduncle that extends axially.Be evenly equipped with three at the nearly peripheral region of working cell run-though space with center symmetry and the same manner and be positioned linkage unit on the matrix through syndeton, be provided with the cylindrical die roll that is connected in the work that can cooperatively interact on the mandrel through bearing arrangement with the same manner on each linkage unit, there is the axial location space that can add the advance and retreat in man-hour for workpiece do rolled thread in the symmetrical centre portion between each cylindrical die roll.

Generally speaking, said this base unit is the most convenient with the form that is adopted as disk with two parallel end faces or cylindrical-shaped structure body in the said structure, and said working cell can be connected or be arranged at its relative parallel end faces place, both sides respectively with caudal peduncle.

For in use making things convenient for and increase the controllability of each cylindrical die roll in the said structure, the version that can further take, be that said each linkage unit in the said structure is all adopted can being positioned on the matrix around the same manner that its syndeton is separately done the appropriateness swing, and make each cylindrical die roll be separately positioned on the mode at the swung position of each corresponding linkage unit with symmetry and same mode.

For further increasing its controllability, the convenient use and the raising machining accuracy on the basis of said structure, can also be provided with the fine tuning structure that can carry out the appropriate format of appropriate regulation to its mutual alignment again between said base unit and working cell.For example, employing make this fine tuning structure for the eccentric position at matrix be provided with to the working cell direction extend stretch male structure and, stretching position that male structure the adapts a pair of version of regulating bolt that leans with the relative mode setting with this on the working cell, is exactly one of mode that can be for reference when specifically implementing.

Equally, between the matching part of said base unit and working cell, be provided with the positioning mark structure of the appropriate format that is used to discern and/or regulate its mutual alignment relation, as show the scale marker etc. of its mutual alignment relation, for making it accurately locate mutually more or regulate in the practical operation, also be more favourable.

Can be further improved and perfect mode also comprises, in said structure, making in the axial run-though space of said working cell can having with the place, peripheral part that each linkage unit leans cooperation to make it make the evagination radian that coadaptation mutually cooperates, is a kind of frame mode that can have better effect.

According to the needs that are used with multi-form lathe or equipment, also can be in said structure outside the said axially extended caudal peduncle, dispose the taper shank of band Morse's taper that to make the dismantled and assembled unpack format of sliding connection with it again, can make it can possess more extensive applicability energy.

When the rolling device of the utility model said structure form is worked, only its caudal peduncle or the taper shank that is disposed outside caudal peduncle need be placed directly in the tail cone hole of lathe, through a top in axial direction, workpiece can be brought in the symmetrical centre space of each cylindrical die roll in the device automatically and be rolled and process external screw thread; Workpiece can be withdrawed from during counter-rotating, up to completion of processing.Therefore, identical as the pitch of workpiece to be machined, needn't change cutter and only need change the linkage unit assembly that has cylindrical die roll, just can process the external screw thread workpiece of multiple diameter size, easy to operate, efficient height, and stable processing quality and guaranteed.

Obviously, under the prerequisite that does not break away from the above-mentioned basic fundamental thought of the utility model, according to the general knowledge and the customary means of this area, to said structure of the present utility model carry out the replacement of appropriate format or change all may with easy realization.

Below again foregoing of the present utility model is described in further detail by the specific embodiment by the accompanying drawing example illustrated, but this should be interpreted as that the scope of the above-mentioned theme of the utility model only is confined to following instantiation.All technology that is realized based on the utility model foregoing all belong to scope of the present utility model.

Description of drawings

Fig. 1 is the schematic diagram of the utility model cold extrusion external screw thread processing rolling device end face structure.

Fig. 2 is the schematic diagram of the A-A cross-section structure of Fig. 1.

Fig. 3 is the schematic diagram of the taper shank structure that can match with the caudal peduncle in Fig. 2 structure.

The specific embodiment

Process in the rolling device of usefulness at the utility model cold extrusion external screw thread as shown in the figure, at place, a side end face of cylindric base unit 8, be fixed with the discoid working cell 1 of the axial run-though space that adapts with base unit 8 proterties and have through connecting bolt 9 with two parallel end faces; In the centre of 8 opposite side end faces of base unit, be provided with one and extend axially caudal peduncle 10 perpendicular to its transverse plane.Nearly peripheral region at the run-though space of this working cell 1, be evenly equipped with three with centrosymmetric the same manner and be positioned connector 2 on matrix 8 end faces, and each connector 2 is the movable connection method that can do the appropriateness swing around connecting bolt 6 separately through connecting bolt 6.At the swung position of each connector 2, respectively be provided with a cylindrical die roll 3 through the needle bearing 5 that cooperates with mandrel 4 respectively in symmetrical and same mode.The axial run-though space of said this working cell 1 can lean the place, peripheral part that cooperates with each linkage unit 2, also all have respectively and can make it make the appropriate evagination radian of the symmetric form that the phase coadaptation cooperates.Central symmetry axis position between each cylindrical die roll 3, having can be for the axial location space of rolling processing work 14 advance and retreat.Between this base unit 8 and working cell 1, also be provided with the fine tuning structure that can carry out appropriate regulation to its mutual alignment, this fine tuning structure is: be provided with a protruding bolt 12 of stretching to the extension of working cell 1 direction at the eccentric position of matrix 8, on this working cell 1, stretch the position that protruding bolt 12 adapts, be provided with a pair of leaning with relative mode and regulate bolt 7 and lean bolt 11 with this.By regulating this, can do small and accurate suitably adjustment to the matrix 8 and the cooperation position of working cell 1 within the specific limits to leaning bolt and the relation that leans of stretching protruding bolt 12 that is connected on the matrix 8 of regulating.Outer peripheral face suitable position place between the matching part of this base unit 8 and working cell 1 can also be provided with the size scale sign that is used to discern and/or regulate its mutual alignment relation or the positioning mark of other appropriate format as required.In addition, outside said this axially extended caudal peduncle 10, the also configurable taper shank 13 that the band Morse's taper of the dismantled and assembled unpack format that can do sliding connection is with it arranged.

Claims

1. the cold extrusion external screw thread is processed the rolling device of usefulness, it is characterized in that being fixed with a working cell (1) that has an axial run-though space through syndeton (9) in a side of base unit (8), the opposite side centre of base unit on the other side (8) is provided with vertical with plane, working cell (a 1) caudal peduncle (10) that extends axially, be evenly equipped with three at the nearly peripheral region of working cell (1) run-though space with center symmetry and the same manner and be positioned linkage unit (2) on the matrix (8) through syndeton (6), each linkage unit (2) is gone up and is provided with the cylindrical die roll (3) that is connected in the work that can cooperatively interact on the mandrel (4) through bearing arrangement (5) with the same manner, and there is the axial location space that can supply workpiece (14) to add the advance and retreat in man-hour do rolled thread in the symmetrical centre portion between each cylindrical die roll (3).

2. the rolling device of cold extrusion external screw thread processing usefulness as claimed in claim 1, it is characterized in that said each linkage unit (2) all adopts can being positioned on the matrix (8) around the same manner that its syndeton (6) is separately done the appropriateness swing, each cylindrical die roll (3) is separately positioned on the swung position of each corresponding linkage unit (2) with symmetry and same mode.

3. the rolling device of cold extrusion external screw thread processing usefulness as claimed in claim 1, it is characterized in that between said base unit (8) and working cell (1), also being provided with the fine tuning structure that can carry out appropriate regulation to its mutual alignment, this fine tuning structure for the eccentric position at matrix (8) be provided with to working cell (1) direction extend stretch male structure (12) and, (1) is gone up with this and is stretched position that male structure (12) the adapts a pair of adjusting bolt (7,11) that leans with the relative mode setting in the working cell.

4. the rolling device of cold extrusion external screw thread processing usefulness as claimed in claim 1 is characterized in that being provided with the positioning mark structure that is used to discern and/or regulate its mutual alignment relation between the matching part of said base unit (8) and working cell (1).

5. the rolling device of cold extrusion external screw thread processing usefulness as claimed in claim 1, the bearing arrangement (5) that it is characterized in that being arranged between cylindrical die roll (3) and mandrel (4) is the needle-type bearing.

6. as the rolling device of the described cold extrusion external screw thread of one of claim 1 to 5 processing usefulness, it is characterized in that in the axial run-though space of said working cell (1) can making it make the evagination radian of the cooperation of coadaptation mutually can having with the place, peripheral part that each linkage unit (2) lean cooperation.

7. as the rolling device of the described cold extrusion external screw thread of one of claim 1 to 5 processing usefulness, it is characterized in that outside said axially extended caudal peduncle (10), also disposing the taper shank (13) of band Morse's taper that to make the dismantled and assembled unpack format of sliding connection with it.

8. process the rolling device of usefulness as the described cold extrusion external screw thread of one of claim 1 to 5, it is characterized in that disk or the cylindrical-shaped structure body of said this base unit (8) for having two parallel end faces, said working cell (1) is connected to its relative parallel end faces place, both sides with caudal peduncle (4).