CN209407979U - A kind of annular knurl key tooling - Google Patents

Abstract

The utility model relates to the technical fields of mechanical clamp, specifically disclose a kind of annular knurl key tooling, including pedestal, sleeve is connected on the pedestal, the sleeve offers through-hole along its axial direction, notch is offered on the pedestal, the notch and base edge form notch, set medial wall of the tube and the one end for being located remotely from pedestal are the conical surface, sleeve lateral wall, which is equipped with, adjusts unit, the adjusting unit is perpendicular to sleeve axle center, the adjusting unit includes fixing seat and Mobile base, fixing seat is fixedly connected with sleeve lateral wall, elastic component is connected between the fixing seat and Mobile base.The technical program is used for clamping workpiece, has both been able to achieve the clamping position to workpiece, while enabling to the mode of clamping workpiece simple, reduces tooling manufacturing cost.

Description

A kind of annular knurl key tooling

Technical field

The utility model belongs to the technical field more particularly to a kind of annular knurl key tooling of mechanical clamp.

Background technique

It is already present on transmission shaft in many drive apparatus now and spline is directly set, and spline is set on transmission shaft Gear hobbing process technique is usually used to make, in existing gear hobbing process operation, needs workpiece clamp tightening to be processed Then position carries out gear hobbing process to workpiece again.The shaft-like workpiece usually processed all has step, usually right in gear hobbing process The step part of shaft-like workpiece is clamped, however the accurate positioning of workpiece and clamping degree are related to the matter of the tooth processed Amount, thus in gear hobbing process, it is especially important to the clamping positioning of workpiece, it is right especially in the gear hobbing process of shaft-like workpiece The clip position of axis requires very high.If the clamping degree to shaft-like workpiece is not high, shaft-like workpiece is easy to rotate through in processing It beats in journey, so that the tooth precision processed is not high, affects the quality of product.In the prior art, in order to solve axis The clamping position problem of class workpiece often uses extremely complex structure, this will be so that clamping tooling cost of manufacture be unusual It is high.

Utility model content

The purpose of this utility model is to provide a kind of annular knurl key toolings, shaft-like workpiece to be processed can be made to position quick And tool structure is simple, cost of manufacture is lower.

In order to achieve the above object, the base case of the utility model are as follows: a kind of annular knurl key tooling, including pedestal, it is described Sleeve is connected on pedestal, the sleeve offers through-hole along its axial direction, and notch is offered on the pedestal, described to cut Mouth forms notch with base edge, and covering medial wall of the tube and being located remotely from one end of pedestal is the conical surface, and sleeve lateral wall is single equipped with adjusting Member, for the adjusting unit perpendicular to sleeve axle center, the adjusting unit includes fixing seat and Mobile base, fixing seat and sleeve lateral wall It is fixedly connected, is connected with elastic component between the fixing seat and Mobile base.

The working principle and beneficial effect of this base case are: 1. the technical program structure is simple, pedestal and sleeve one It is body formed, the rigging error of each component of tooling is reduced, so that positioning is more accurate, and the tooling base in the technical program The edge of the notch and pedestal that open up is jagged, can not only also subtract convenient for being attached fixation with the equipment for installing this tooling The light quality of tooling, makes lighter in process, and gear hobbing effect is more preferable.

2. this tooling is cone structure in the inner sidewall of sleeve ends, after workpiece is put in sleeve, in the conical surface one end with Workpiece forms line contact, and in the end of the conical surface compared to cylindrical circular end, centralized positioning is more accurate, and workpiece enters the conical surface When position, the axially coincident of workpiece axle center and the conical surface can be made using the tangent principle of the conical surface and workpiece, prevents workpiece axle center inclined From so that making the status requirement of piece-holder reduces, and compared to face contact, its clamping degree is higher for line contact.

3. being additionally provided with adjusting unit in the technical program, the elastic component adjusted in unit can be with the work entered in sleeve The state that part generates compression and resets forms certain support and positioning to the workpiece entered in sleeve, to further prevent Only workpiece centre axis shifts, and can cooperate jointly the effect for playing support workpiece with the conical surface of sleeve, and then reduces The requirement of positioning, improves the accuracy of positioning.

4. the structure in the technical program is simple, low manufacture cost, cost savings percent 80, have very good Application, market value is higher.

Further, the conical surface is tilted from sleeve end face to sleeve central axis.

When the conical surface is tilted from sleeve end face to sleeve central axis, one end diameter entered on sleeve for workpiece is enabled to Larger, the workpiece size range that can adapt to is wider.

Further, the middle part for adjusting unit and being located at sleeve lateral wall, the one end of the Mobile base far from fixing seat is in cone Shape.

Mobile base can move under the action of the spring perpendicular to sleeve axis direction, and entirely adjust unit and be located at Middle part can form support positioning action to workpiece, when in this programme tooling and the good workpiece of positioning and clamping rotate together In the process, adjusting unit may eventually reach the state of a balance, the cone match with sleeve, so that workpiece is stablized.

Further, the one end of the sleeve far from pedestal offers sliding eye along sleeve axis, is equipped in the sliding eye Sliding bar, sliding bar are connected with support plate far from one end of sliding hole bottom, and the support plate and sliding bar are integrally formed, described Sliding bar is bolted to connection with sleeve.

In the technical program after workpiece, which enters sleeve, completes clamping, because sliding bar can slide, thus it can drive Support plate resists the step end face of workpiece, is then fixed the position of sliding bar by bolt, and then support plate is made to limit workpiece Position, further improve the clamping force to workpiece, workpiece is more stable in rotary course.

Further, cavity is equipped in the pedestal, the side wall of the cavity opens up the oriented inclined sliding slot of the quill heart, institute It states and is equipped with pulley in sliding slot, the side of the pulley is connected with locating rod, and the other side of the pulley is hinged with operating stick, described Operating stick stretches out pedestal far from one end of pulley.

In the technical program, operating stick can be such that pulley slides in sliding slot, to drive locating rod mobile, due to sliding slot It is tilted to sleeve axle center, can make locating rod to the direction movement far from workpiece or to close when pulley slide in sliding slot The direction of workpiece is mobile, and then applies pressure to workpiece, in this way, the workpiece being located in sleeve can not only be by sleeve ends Clamping of the conical surface to it, additionally it is possible to which the clamping by the locating rod being arranged in pedestal to it substantially increases the clamping to workpiece Dynamics.

Detailed description of the invention

Fig. 1 is a kind of longitudinal sectional view of annular knurl key tooling embodiment one of the utility model；

Fig. 2 is the top view of Fig. 1；

Fig. 3 is that annular knurl key tooling is cutd open with the longitudinal direction after workpiece assembly in a kind of annular knurl key tooling embodiment two of the utility model View；

Fig. 4 is the enlarged drawing in Fig. 3 at A；

Fig. 5 is the enlarged drawing in Fig. 3 at B.

Specific embodiment

It is further described below by specific embodiment:

Appended drawing reference in Figure of description includes: pedestal 1, sleeve 2, notch 3, the conical surface 4, adjusting cavity 5, fixing seat 6, bullet Spring 7, Mobile base 8, workpiece 9, cavity 10, operating stick 11, sliding slot 12, locating rod 13, idler wheel 14, sliding eye 15, sliding bar 16, branch Fagging 17, bolt 18, limited block 19, positioning column 20, adjustable column 21.

Embodiment one

Embodiment is substantially as shown in Fig. 1: a kind of annular knurl key tooling, including pedestal 1, is connected with sleeve on pedestal 1 2, through-hole is equipped with inside sleeve 2, and sleeve 2 is connected to pedestal 1, one end (i.e. sleeve 2 of 2 inner sidewall of sleeve for clamping workpiece One end far from pedestal 1) it is the conical surface 4, the conical surface 4 is from the end face of sleeve 2 to the inclined of sleeve 2, the side wall at 2 middle part of sleeve Be equipped with adjusting cavity 5, adjusting cavity 5 set there are two and about the setting substantially symmetrical about its central axis of sleeve 2, be fixedly connected in adjusting cavity 5 Reservation 6 is connected with spring 7 in fixing seat 6, and spring 7 is connected with Mobile base 8 far from one end of fixing seat 6.Mobile base 8 and fixation For seat 6 perpendicular to 2 central axis of sleeve, Mobile base 8 is set as pyramidal structure towards one end of 2 central axis of sleeve.When Mobile base 8 is not affected by When extruding, spring 7 is located at original state, and Mobile base 8 is located in the through-hole of sleeve 2.

As shown in connection with fig. 2, pedestal 1 is equipped with notch 3, and one end of notch 3 is located on pedestal 1, and is in semicircle flute profile, notch 3 other end and pedestal 1 forms notch, is easily installed.

Specific implementation process is as follows: passing through the then tightening nut of notch 3 using bolt, this tooling is mounted on rotating machinery On, installation when be by sleeve 2 and the perpendicular installation of rotating machinery, then by workpiece 9 to be processed (workpiece 9 be with The axis of step end face) it is put in sleeve 2 from sleeve 2 with one end of the conical surface 4, it, can be to bullet when workpiece 9 touches Mobile base 8 Spring 7 generates extruding force, and the spring 7 positioned at 2 axle center two sides of sleeve is compressed, when the step end face on workpiece 9 is stuck in the cone of sleeve 2 Behind face 4, workpiece 9 does not continue to move into sleeve 2, when workpiece 9 protrude into sleeve 2 one end pass through pedestal 1 and with install this work After the equipment of dress mutually clamps, positioning clamping installation is completed, the equipment for installing this tooling can be lathe, with the three-jaw card on lathe Disk clamps the workpiece for stretching out pedestal.

Embodiment two

As shown in Figure 3 and Figure 4, the difference with embodiment one is: on 2 side wall of sleeve and one end far from pedestal 1 is set There is sliding eye 15, there are two sliding eye 15 opens up, two sliding eyes 15 are parallel to the central axis of sleeve 2 and about 2 center of sleeve Axial symmetry setting.A sliding bar 16 is equipped in sliding eye 15, sliding bar 16 is connected with branch far from one end of sliding eye 15 Fagging 17, support plate 17 are mutually perpendicular to sliding bar 16, and 15 inner sidewall of sliding eye is rotatably connected to limited block 19, sliding bar 16 with Limited block 19 is slidably connected, such setting, during sliding bar 16 can be enabled to stretch out and protrude into sliding eye 15, limit Position block 19 can guarantee that sliding bar 16 will not be fallen when pulling to outside sliding eye 15.

Substantially symmetrical about its central axis setting of two cavitys 10 about sleeve 2 there are two cavity 10 is set inside pedestal 1, is set in groove There is sliding slot 12, sliding slot 12 is arranged to the inclined of sleeve 2, idler wheel 14 is equipped in sliding slot 12, the end of idler wheel 14 is hinged with Locating rod 13, the locating rod 13 are arranged perpendicular to sleeve 2, are also hinged with operating stick 11 on idler wheel 14, operating stick 11 is far from idler wheel Pedestal 1 is stretched out in 14 one end, and as shown in connection with fig. 5, pedestal 1 is equipped with positioning column 20, is threaded with adjustable column on positioning column 20 21, the top of adjustable column 21 is fixedly connected with operating stick 11, and when adjustable column 21 rotates clockwise or counterclockwise, adjustable column 21 is therewith Rise perhaps decline to drive operating stick 11 to rise or decline, and adjustable column 21 and positioning column 20 play operating stick 11 The effect of support positioning, prevent operating stick 11 from occurring loosening when as this tooling rotates and influence locating rod 13 to work The support of part.

Specific implementation process is as follows: when needing to be packed into workpiece 9 to sleeve 2, by support plate 17 to far from 2 axis side of sleeve To rotation, penetrate workpiece 9 in sleeve 2, after workpiece 9 needs one end for clamping to be packed into sleeve 2, pull support plate 17 to The step end face of workpiece 9 is mobile, and rotational support plate 17 is against support plate 17 on the step end face of workpiece 9, then uses bolt Sliding bar 16 is lockked positioning by 18.Then turn adjustable column 21 clockwise or counter-clockwise, makes operating stick 11 upwardly or downwardly It is mobile, so that idler wheel 14 be made to move up or move down in sliding slot 12, it is against locating rod 13 on workpiece 9, it is fixed to complete Position.

Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.

Claims (5)

1. a kind of annular knurl key tooling, including pedestal, it is characterised in that: be connected with sleeve, the sleeve edge on the pedestal Its axial direction offers through-hole, and notch is offered on the pedestal, and the notch and base edge form notch, cover medial wall of the tube And the one end for being located remotely from pedestal is the conical surface, sleeve lateral wall, which is equipped with, adjusts unit, and the adjusting unit is perpendicular to sleeve axle center, institute Stating and adjusting unit includes fixing seat and Mobile base, and fixing seat is fixedly connected with sleeve lateral wall, between the fixing seat and Mobile base It is connected with elastic component.

2. a kind of annular knurl key tooling according to claim 1, it is characterised in that: the conical surface is from sleeve end face into sleeve Spindle tilt.

3. a kind of annular knurl key tooling according to claim 1, it is characterised in that: the adjusting unit is located at sleeve lateral wall Middle part, the one end of the Mobile base far from fixing seat are tapered.

4. a kind of annular knurl key tooling according to claim 1, it is characterised in that: the one end of the sleeve far from pedestal is along set Cylinder axis offers sliding eye, is equipped with sliding bar in the sliding eye, sliding bar is connected with branch far from one end of sliding hole bottom Fagging, the support plate and sliding bar are integrally formed, and the sliding bar is bolted to connection with sleeve.

5. a kind of annular knurl key tooling according to claim 1-4, it is characterised in that: be equipped in the pedestal recessed Chamber, the side wall of the cavity open up the oriented inclined sliding slot of the quill heart, are equipped with pulley, the side of the pulley in the sliding slot It is connected with locating rod, the other side of the pulley is hinged with operating stick, and the operating stick stretches out pedestal far from one end of pulley.