CN203875636U - Axial positioning and external holding type elastic automatic tool - Google Patents
Axial positioning and external holding type elastic automatic tool Download PDFInfo
- Publication number
- CN203875636U CN203875636U CN201420325946.0U CN201420325946U CN203875636U CN 203875636 U CN203875636 U CN 203875636U CN 201420325946 U CN201420325946 U CN 201420325946U CN 203875636 U CN203875636 U CN 203875636U
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- CN
- China
- Prior art keywords
- elastomer
- embracing
- disk body
- screw
- tapered sleeve
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Abstract
The utility model discloses an axial positioning and external holding type elastic automatic tool. The tool is characterized in that a piston block is mounted in an inner cavity of a cylindrical plate body; an external holding type elastic body is mounted on the end surface of the plate body through elastic body bolts by a seam positioning manner; the piston block connected with a lathe pulling rod is matched with three supporting rods and a taper sleeve to form a frame structure; a clamped part is positioned in a hole of the external holding elastic body; a tapered surface holding structure is formed between the external holding elastic body and the taper sleeve; an opening groove is formed in a taper body of the external elastic body; the taper sleeve moves by a reciprocating manner to hold or release the clamped part, and the external holding elastic body is axially fixed to realize axial accurate positioning. With the adoption of the axial positioning and external holding type elastic automatic too, and a part on an automatic lathe can be externally held, clamped and axially positioned; the tool is particularly applied to turning and processing of non-full-circle parts and thin-wall parts with requirement on axial dimension.
Description
Technical field
The utility model relates to a kind of machine tool accessories, more specifically says a kind of outer armful of elasticity automatic fixture of axial location of automatic lathe use, belongs to the frock clamp of mechanical processing industry.
Background technology
Automatic lathe clamps part to be processed with power chuck conventionally, but for non-whole circular pieces and thin-walled parts, needs to adopt the outer elasticity automatic fixture of embracing.The existing outer elasticity automatic fixture of embracing generally adopts conical surface clasping structure, move back and forth, and the inner conical surface matching with it is arranged on the frock body of axial restraint when outer male cone (strobilus masculinus) elastic component work of embracing clamping part to be processed.There is error owing to being held part external diameter, make the radial contraction amount difference of the male cone (strobilus masculinus) elastic component of holding clamping part to be processed tightly, while holding part to be processed tightly, male cone (strobilus masculinus) elastic component is different from the relative axial position of inner conical surface, and inner conical surface is axial restraint, so holding the male cone (strobilus masculinus) elastic component of part to be processed tightly can not be in axial accurately location, the diametrical dimension error that is held part is mapped as the axial location error that is held part after clamping.
Utility model content
The purpose of this utility model is the outer armful of elasticity automatic fixture that a kind of axial location is provided for automatic lathe, realizes outer armful of Automatic-clamping of part to be processed, is axially accurately locating simultaneously, makes automatic lathe improve machining accuracy in efficient clamping.
The technical problem that the utility model solves realizes by the following technical solutions:
The design feature of outer armful of elasticity automatic fixture of the utility model axial location is: a columned disk body is set, inner chamber at described disk body is provided with piston block, the outer elastomer of embracing utilizes seam location to be arranged on the end face of disk body by elastomer screw, and disk body is fixed on lathe flange by disk body screw; Piston block and three support bars and tapered sleeve form frame structure by piston block sunk screw and tapered sleeve screw fastening; Piston block is connected with lathe pull bar with pull bar round nut by pull bar screw, utilizes round nut lock-screw locking pull bar round nut, and round nut spring is installed in the end-face hole of described pull bar round nut; Be held part and be placed on outer embracing in elastomeric hole; Described outer elastomeric one end cylindrical of embracing is provided with male cone (strobilus masculinus), the endoporus of tapered sleeve is provided with inner conical surface, outside described, embrace between elastomer and tapered sleeve and form conical surface clasping structure, outside described, embrace in elastomeric cone and be provided with open slot, when tapered sleeve is return, axial compression is embraced elastomeric male cone (strobilus masculinus) outward, an outer armful elastomeric endoporus radial contraction is held tightly and be held part, when stretching out, axially unclamps tapered sleeve the outer elastomeric male cone (strobilus masculinus) of embracing, an outer armful elastomer unclamps and is held part, and cover plate is contained in by cover plate sunk screw in the counterbore of disk body; On described disk body, being provided with oil chews.
The design feature of outer armful of elasticity automatic fixture of the utility model axial location is also:
Described three support bars etc. point are arranged and are isometric.
Outside described, embrace and be provided with six grades in elastomeric cone and divide open slot, under clamped condition not, embracing elastomeric endoporus is outward matched in clearance with the cylindrical that is held part.
The described outer elastomer of embracing has elasticity, and material is spring steel, and through heat treatment.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, outside of the present utility model, embrace in the conical surface clasping structure of clamping part to be processed, embrace outward on the end face that elastomer is arranged on disk body, axial restraint, tapered sleeve moves back and forth, and has realized part to be processed in axial accurate location.
2, the utility model design piston block is connected with the pull bar of automatic lathe with pull bar round nut by pull bar screw, hold the power that is held part tightly and come from rotary oil cylinder or rotary cylinder, realize mechanization, alleviate operating personnel's labour intensity, the quick-clamping that can realize part, operating efficiency is high.
3, the utility model is simple in structure, easy to use; Owing to adopting elasticity to embrace structure outward, clamp precision is high.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model structure three-dimensional explosive view;
Fig. 3 is the utility model structure three-dimensional cut away view.
In figure: 1 lathe pull bar, 2 lathe flanges, 3 pull bar round nuts, 4 round nut lock-screws, 5 piston block sunk screws, 6 piston blocks, 7 disk bodies, 8 disk body screws, 9 pull bar screws, 10 support bars, 11 outer elastomer, 12 tapered sleeve screws, 13 tapered sleeves embraced, 14 are held part, 15 cover plates, 16 cover plate sunk screws, 17 elastomer screws, 18 oil are chewed, 19 round nut springs.
Detailed description of the invention
Referring to Fig. 1, Fig. 2 and Fig. 3, in the present embodiment, the version of outer armful of elasticity automatic fixture of axial location is: disk body 7 is cylinder discoid body, piston block 6 is installed in the inner chamber of disk body 7, the outer elastomer 11 of embracing utilizes seam location to be arranged on the end face of disk body 7 by elastomer screw 17, and disk body 7 is fixed on lathe flange 2 by disk body screw 8, piston block 6 and three support bars 10 and tapered sleeve 13 are by piston block sunk screw 5 and the fastening frame structure that forms of tapered sleeve screw 12, piston block 6 is connected with lathe pull bar 1 with pull bar round nut 3 by pull bar screw 9, locks pull bar round nut 3 with round nut lock-screw 4, and round nut spring 19 is installed in the end-face hole of pull bar round nut 3, being held part 14 is placed in outer hole of embracing elastomer 11, outer one end cylindrical of embracing elastomer 11 is provided with male cone (strobilus masculinus), tapered sleeve 13 endoporus are provided with inner conical surface, by embracing the male cone (strobilus masculinus) of elastomer 11 outward and the inner conical surface of tapered sleeve 13 forms conical surface clasping structure, the cone of embracing outside elastomer 11 is provided with open slot, when tapered sleeve 13 is return, axial compression is embraced the male cone (strobilus masculinus) of elastomer 11 outward, outer endoporus radial contraction of embracing elastomer 11 is held tightly and be held part 14, when stretching out, axially unclamps tapered sleeve 13 the outer male cone (strobilus masculinus) of embracing elastomer 11, an outer armful elastomer 11 unclamps and is held part 14, cover plate 15 is contained in by cover plate sunk screw 16 in the counterbore of disk body 7, prevent that iron filings from entering in disk body 7, disk body 7 is provided with oil and chews 18, and oil is chewed 18 and provided lubricated for automatic fixture.
In concrete enforcement, three support bar 10 grades are divided layout and isometric, and support bar 10 does not play the guiding role, piston block 6 is large matched in clearance with disk body 7 inner chambers, play auxiliary guide effect, the endoporus of tapered sleeve 13 is matched in clearance with the outer cylindrical of embracing elastomer 11, plays main guide effect; The cone of embracing outside elastomer 11 is provided with 6 grades and divides open slot, and under clamped condition not, the endoporus of embracing elastomer 11 is outward matched in clearance with the cylindrical that is held part 14; The outer elastomer 11 of embracing has elasticity, and material is spring steel through heat treatment.
Lathe pull bar 1 pulls piston block 6 to move back and forth by pull bar round nut 3 and pull bar screw 9, and piston block 6 drives tapered sleeve 13 to move back and forth by support bar 10; The outer elastomer 11 of embracing utilizes seam location to be arranged on the end face of disk body 7 by elastomer screw 17, is held part 14 and is placed in outer hole of embracing elastomer 11; In the time that tapered sleeve 13 axial compression are embraced elastomer 11 outward, the inner conical surface of tapered sleeve 13 makes outer male cone (strobilus masculinus) radial contraction of embracing elastomer 11, holds the part that is held in endoporus tightly; Embrace elastomer 11 outside tapered sleeve 13 axially leaves time, embrace elastomer 11 outward and unclamp the part that is held in endoporus.Due to outer elastomer 11 axial restraints of embracing, can realize and be held axially accurately locating of part.
Claims (4)
1. outer armful of elasticity automatic fixture of an axial location, it is characterized in that: a columned disk body (7) is set, at the inner chamber of described disk body (7), piston block (6) is installed, the outer elastomer (11) of embracing utilizes seam location to be arranged on the end face of disk body (7) by elastomer screw (17), and disk body (7) is fixed on lathe flange (2) by disk body screw (8), piston block (6) and three support bars (10) and tapered sleeve (13) are by piston block sunk screw (5) and the fastening frame structure that forms of tapered sleeve screw (12), piston block (6) is connected with lathe pull bar (1) with pull bar round nut (3) by pull bar screw (9), utilize round nut lock-screw (4) locking pull bar round nut (3), round nut spring (19) is installed in the end-face hole of described pull bar round nut (3), being held part (14) is placed in outer hole of embracing elastomer (11), described outer one end cylindrical of embracing elastomer (11) is provided with male cone (strobilus masculinus), the endoporus of tapered sleeve (13) is provided with inner conical surface, outside described, embrace between elastomer (11) and tapered sleeve (13) and form conical surface clasping structure, outside described, in the cone of armful elastomer (11), be provided with open slot, when tapered sleeve (13) is return, axial compression is embraced the male cone (strobilus masculinus) of elastomer (11) outward, outer endoporus radial contraction of embracing elastomer (11) is held tightly and be held part (14), tapered sleeve (13) axially unclamps the outer male cone (strobilus masculinus) of embracing elastomer (11) while stretching out, an outer armful elastomer (11) unclamps and is held part (14), cover plate (15) is contained in the counterbore of disk body (7) by cover plate sunk screw (16), on described disk body (7), be provided with oil and chew (18).
2. outer armful of elasticity automatic fixture of axial location according to claim 1, is characterized in that: described three support bars (10) decile is arranged and be isometric.
3. outer armful of elasticity automatic fixture of axial location according to claim 1 and 2, it is characterized in that: outside described, in the cone of armful elastomer (11), be provided with six grades and divide open slot, under clamped condition not, the endoporus of embracing elastomer (11) is outward matched in clearance with the cylindrical that is held part (14).
4. according to outer armful of elasticity automatic fixture of axial location described in claim 1 or 2, it is characterized in that: the described outer elastomer (11) of embracing has elasticity, and material is spring steel, and through heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420325946.0U CN203875636U (en) | 2014-06-18 | 2014-06-18 | Axial positioning and external holding type elastic automatic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420325946.0U CN203875636U (en) | 2014-06-18 | 2014-06-18 | Axial positioning and external holding type elastic automatic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203875636U true CN203875636U (en) | 2014-10-15 |
Family
ID=51676179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420325946.0U Withdrawn - After Issue CN203875636U (en) | 2014-06-18 | 2014-06-18 | Axial positioning and external holding type elastic automatic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203875636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002160A (en) * | 2014-06-18 | 2014-08-27 | 合肥波林新材料有限公司 | Axial positioning type automatic elastic externally-clamping tool |
-
2014
- 2014-06-18 CN CN201420325946.0U patent/CN203875636U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002160A (en) * | 2014-06-18 | 2014-08-27 | 合肥波林新材料有限公司 | Axial positioning type automatic elastic externally-clamping tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141015 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |