CN203390616U - Axially locking device - Google Patents

Axially locking device Download PDF

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Publication number
CN203390616U
CN203390616U CN201320449169.6U CN201320449169U CN203390616U CN 203390616 U CN203390616 U CN 203390616U CN 201320449169 U CN201320449169 U CN 201320449169U CN 203390616 U CN203390616 U CN 203390616U
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CN
China
Prior art keywords
sleeve
locking
overcoat
axial locking
hole
Prior art date
Application number
CN201320449169.6U
Other languages
Chinese (zh)
Inventor
黄海均
Original Assignee
瑞立集团瑞安汽车零部件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞立集团瑞安汽车零部件有限公司 filed Critical 瑞立集团瑞安汽车零部件有限公司
Priority to CN201320449169.6U priority Critical patent/CN203390616U/en
Application granted granted Critical
Publication of CN203390616U publication Critical patent/CN203390616U/en

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Abstract

The utility model relates to an axially locking device which comprises an outer sleeve (5), springs (4) and an inner conical sleeve (3). The outer sleeve (5) and the springs are sleeved on an inner sleeve (6). The device is assembled to be an axially self-locking function mechanism by steel balls (2), the inner conical sleeve (3), the springs (4) and the inner sleeve, the mechanism is mounted in the outer sleeve (5) together, and the inner conical sleeve (3) and the outer sleeve (5) are fixed by cylindrical pins (1). A handle pull cap (7) is mounted on the inner sleeve (6) in a compression manner to constitute a complete interior axially and quickly locking device, and quick locking and dismounting of products are achieved. The axially locking device is simple and compact in structure, small in size, and maintenance-free. Besides, during the operation of the axially locking device, a locked cylindrical product is directly mounted in the inner sleeve (6) of the device, so that interior mechanical structure completes self-locking, and the axially locking device is large in locking force, fine in axial adjustment continuity, high in work efficiency, and labor intensity can be obviously lowered.

Description

A kind of axial locking device
Technical field
The utility model relates to mechanical clamp technical field, specifically relates to a kind of axial locking device.
Background technology
In order to enhance productivity, reduce labour intensity, simplify job step, improve security, in the manufacturing process of workpiece, to workpiece being installed to (location) before processing object processing, clip (clamping).Workpiece, after being stepped up and locating, then is reprocessed or deep processing its specific position.Make the surface of workpiece can reach size, geometry and the specification requirements such as relative-position error surperficial with other that drawing is stipulated.Positioning and clamping to workpiece completes by fixture mostly, or other positioning and clamping mechanisms.
Fixture is called again jig, is to be used for fixing processing object in machine-building process, makes it to occupy correct position, with the device of accepting construction or detecting.From broadly, any operation in technical process, is used for installing rapidly, easily and safely the device of workpiece, all can be described as fixture.Such as weld jig, inspection jig, assembling jig, jig, fixing feed mechanism etc.Wherein jig is the most common.Fixture is conventionally by compositions such as setting element (determining that workpiece is in fixture Zhong tram), clamping device, tool setting induction element (determining relative position or the guiding tool orientation of cutter and workpiece), indexing means (make workpiece can complete the processing of several stations in once mounting, have circular index device and traveling priority indexing means two classes), Connection Element and clamp bodies (clamp base).Fixture or locking device have vital effect concerning the modern times manufacture also.
Application number is: 200610091874.8 Chinese invention patent discloses a kind of machine tool clamping device, and the shank of tool is inserted into the shank of tool through the through hole of sleeve and inserts in the hole.Described sleeve insertion section is inserted into major diameter portion and is fixed on one heart main shaft with bolt etc., with axial compression, is located at least one the cyclic spring parts in major diameter portion.The first handle support portion is located in shank of tool patchhole, and the second handle support portion is located on sleeve through hole.The axial cross section of the first end of insertion section is semicircle or taper.In the direction perpendicular to shank of tool axis, shank of tool patchhole, sleeve through hole and cyclic spring parts have the cross sectional shape mating with the shank of tool.Although this cutter holding mechanism is holding cutter accurately,, by the cutter of this cutter holding mechanisms grip, can not realize dismounting cutter fast.In addition ,Gai cutter holding mechanism is held the handle of a knife of cutter by its inner compressing section compresses, and clamping force is in the axial direction inadequate, easily causes cutter to produce in the axial direction displacement.
Utility model content
For overcoming above-mentioned shortcomings and deficiencies of the prior art, the utility model provide a kind of simple in structure, compact, volume is little, has freedom from repairs characteristic; Product convenient mounting and clamping, circumference is stressed evenly, and product can not scratch, be out of shape, steady quality; In addition, during this axial locking device operation, directly the optical axis being locked or bar shaped circular product are packed in the inner sleeve of this mechanism, make internal mechanical structure complete self-locking, coupling mechanism force is large, axially adjusts continuity good, and operating efficiency is high, can obviously reduce labour intensity;
The technical solution of the utility model is for achieving the above object, a kind of axial locking device, comprise the overcoat that puts in being enclosed within and spring, inner conical cover, along the circumference wall of described inner sleeve evenly offer in the radial direction radial hole, in described radial hole, be filled with the steel ball contacting with the inner conical inwall of described inner conical cover.
Preferably, described inner sleeve runs through described inner sleeve.
In above-mentioned arbitrary scheme, preferably, described radial hole quantity is at least three, is preferably 4.Also can be according to the described radial hole of how many decisions of the outer surface quantity of holding workpiece, cutter, axle class and the quantity of described steel ball.
In above-mentioned arbitrary scheme, preferably, described inner sleeve one end outer circumferential walls is provided with radially outstanding flange, and the other end is fixed with handle and draws and emit.
In above-mentioned arbitrary scheme, preferably, described handle draws to emit and offers through hole.
In above-mentioned arbitrary scheme, preferably, the diameter of described through hole equals the interior diameter of described inner sleeve.
In above-mentioned arbitrary scheme, preferably, described flange and described inner sleeve are integral type structure.
In above-mentioned arbitrary scheme preferably, the upper end of the position of described flange steel ball in described radial hole.
In above-mentioned arbitrary scheme, preferably, described flange is parallel to described radial hole.
In above-mentioned arbitrary scheme preferably, the inwall movable contact of one end of described spring and described overcoat, the other end and described flange movable contact.
In above-mentioned arbitrary scheme preferably, the spacing described spring of described flange.
In above-mentioned arbitrary scheme, preferably, described spring is between described inner sleeve and overcoat.
In above-mentioned arbitrary scheme, preferably, described inner conical cover is stuck in described overcoat.
In above-mentioned arbitrary scheme further preferably, described inner conical cover be stuck in described overcoat and with described in the flange movable contact that puts.
In above-mentioned arbitrary scheme, preferably, described inner conical cover is fixedly connected with described overcoat by straight pin.
In above-mentioned arbitrary scheme, preferably, the spacing described inner conical of described straight pin is enclosed within moving axially in described overcoat.
In above-mentioned arbitrary scheme, preferably, the spacing described inner conical of described straight pin is enclosed within the swing offset in described overcoat.
In above-mentioned arbitrary scheme, preferably, described radial hole is connected by matched in clearance with described steel ball.
Compared with prior art the utility model has the advantage of: simplified the process of lock shaft, reduced the operating time, reduced costs; The various circles of applicable same similar structures clamping or the product of bar shaped axial locking; The cutter etc. for example, with circular configuration.This device has also increased anti-rotation device, avoids preventing at work that retaining mechanism is with the optical axis rotation that is locked, in order to avoid scratch product appearance surface; This mechanism is directly installed on the feeding automatic axial locking that completes endless in electromechanical equipment, is producing on the equipments such as assembling, detection, for the frequent dismounting of product, axial locking need continuous setup and the higher effect of playing a cost efficiency of reliability.In addition, this device is because the effect of steel ball can realize the effect of fast clamp workpiece.
Accompanying drawing explanation
Fig. 1 is according to the sectional structure schematic diagram of axial locking device one preferred embodiment of the present utility model;
Fig. 2 is according to axial locking device of the present utility model partial enlarged drawing embodiment illustrated in fig. 1.
In figure, Reference numeral is:
1: straight pin, 2: steel ball, 3: inner conical cover, 4: Compress Spring, 5: overcoat, 6: inner sleeve, 7: handle draw emit, 8: flange, 9: locked optical axis.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the axial locking device in the utility model is further elaborated to explanation;
Embodiment 1:
As shown in Figure 1, a kind of axial locking device, comprises the overcoat 5 that is enclosed within inner sleeve 6 and spring 4, inner conical cover 3, along the circumference wall of described inner sleeve 6, evenly offers in the radial direction radial hole.The axis of described radial hole is perpendicular to the axis of inner sleeve 6, and described radial hole runs through described inner sleeve 6.In described radial hole, be filled with steel ball 2, described steel ball 2 is free to rotation in described radial hole.
In the bottom of institute's overcoat 5, card has inner conical cover 3, and described inner conical cover 3 overlaps 3 outer circumferential walls by inner conical and is fixedly connected with the inwall of described overcoat 5.It should be noted that: within described inner conical cover 3 and described overcoat 5, can not produce swing offset; It is fan-shaped that the circumferential inner wall of described inner conical cover 3 has its cross section of internal tapered hole.Be filled in steel ball 2 in described radial hole can with the inwall movable contact of described internal tapered hole.The quantity of described radial hole is three, in three radial holes, is filled with respectively steel ball 2.Described three radial holes are with in one plane, the steel ball 2 of particularly loading in three radial holes also with in one plane and respectively with the inwall movable contact of the internal tapered hole of described inner conical cover 3.
One end outer circumferential walls of described inner sleeve 6 is provided with radially outstanding flange 8, and the other end is fixed with handle and draws and emit 7.Described flange 8 is integral type structure with described inner sleeve 6.The upper end of the position of described flange 8 steel ball 2 in described radial hole.Described flange 8 is also parallel to when being parallel to the horizontal plane that described three radial holes form and is placed in described radial hole the plane that three steel balls 2 are said formation.In described radial hole, for concave structure, be convenient to hold steel ball 2, steel ball 2 and the concave structure of described radial hole are fitted completely, played the effect of good stationary balls 2.Between the radial hole of described steel ball 2 and described concave structure, by matched in clearance, be connected.Described handle draws and emits 7 to have through hole, and handle draws and emits 7 by described through hole cover, to be buckled in described inner sleeve 6.Or, at described inner sleeve 6 and described handle, draw and emit 7 contact-making surface get on the bus or be milled with step circle radially.Described handle draws and emits 7 by described step circle radially, to be fixedly connected with described inner sleeve.Described through hole and described inner sleeve 6 connect.The diameter of described through hole equals the interior diameter of described inner sleeve 6.
Refer again to Fig. 1, described spring 4 is sleeved in inner sleeve 6.Described inner sleeve 6 is inserted in described overcoat 5; Described inner sleeve 6 runs through described overcoat 5.The inwall movable contact of one end of described spring 4 and described overcoat 5, flange 8 movable contacts in the other end of described spring 4 and described inner sleeve 6.The spacing described spring 4 of described flange 8 is along the displacement on the axial direction of described inner sleeve 6 or the deformation quantity of described spring 4.In axial locking device in the present embodiment, the position of described spring between described inner sleeve 6 and described overcoat 5, have interior outwards respectively: inner sleeve 6, be enclosed within spring 4, overcoat 5 in inner sleeve 6.During concrete operations, first described spring 4 is inserted in described overcoat 5; Then by being provided with connecting handle, drawing and emit 7 inner sleeve 6 to insert from the bottom of described overcoat 5, described inner sleeve 6 is placed in the hole that described spring 4 forms.Described inner sleeve 6 forces described spring 4 to be buckled in described inner sleeve 6; Described inner sleeve 6 is given prominence to certain distance through described overcoat 5 and on the top of described overcoat 5.On the protuberance of described inner sleeve 6, being fixedly connected with handle draws and emits 7; In the space that described spring 4 forms between described inner sleeve 6 and described overcoat 5.In the inner sleeve 6 that described spring 4 is fixed spring 4 in present described overcoat 5 by the inwall of described overcoat 5 and the acting in conjunction of described flange 8.
As shown in Figure 2, partial enlarged drawing embodiment illustrated in fig. 1.Described inner conical cover 3 is fixedly connected with described overcoat 5 by straight pin 1; Specifically, on the circumference wall of described inner conical cover 3, offer cylindrical hole.The axis of described cylindrical hole runs through described inner sleeve 6 perpendicular to axis and the described cylindrical hole of described inner sleeve 6; In the inner sleeve 6 of the contact portion of inner sleeve 6 and described inner conical cover 3, offer equally the through hole identical with described cylindrical hole diameter; Described inner conical cover 3 is fixed in described inner sleeve 6 by straight pin 1.The spacing described inner conical cover 3 of described straight pin 1 moving axially and the swing offset of spacing described inner conical cover 3 in described overcoat 5 in described overcoat 5.
Refer again to Fig. 1 and Fig. 2, the principle of this axial locking device is: by steel ball 2, inner conical cover 3, spring 4, inner sleeve 6, be assembled into an axial self-locking functional entity, pack in overcoat 5 into together, with straight pin 1, inner conical cover 3 and overcoat are fixed to 5, interior, put 6 and press-fit handle and draw and emit 7 again, form a complete inner shaft to quick-locking device, realize the effect of quick locking and dismounting product.
When being encased in from bottom to up in inner sleeve 6 by lock optical axis 9, inner sleeve 6 diameter of bores are greater than the diameter of locking optical axis 9 slightly.In the present embodiment, described inner sleeve 6 radial equipartitions have three steel balls 2.Between described steel ball 2 and described radial hole, be matched in clearance, under the effect of described spring 4, promote inner sleeve 6 and drive three steel balls 2 to contact with 3 conical surfaces of inner conical cover simultaneously.The public inscribed circle diameter of minimum of described steel ball 2 exposed portions serve is less than the diameter of described locking optical axis 9, while contacting in described locking optical axis 9 imports to described inner sleeve 6 and with described three steel balls 2, when if locking optical axis 9 moves down, under the effect of spring 4, three steel balls 2 are effectively contacted with the conical surface of inner conical cover 3, form axial reverse self-locking; While being assemblied on the equipment such as production, detection when this locking device, its principle is with upper identical, locking direction as shown in Figure 1, both lock opposite direction, in overcoat 5 lower ends, designed directed anti-rotation structure, this structure plays directed and rotation effect, for the frequent dismounting of product and axial locking adjustment is played fast, accurately, act on reliably.While working complete dismounting, go out handle draw and emit 7 with forefinger, middle finger hook, thumb is pressed overcoat 5 downwards, can remove reverse self-locking, makes easily whole mechanism both forward and reverse directions move.Take off described lock after optical axis 9, enter next duty.
Embodiment 2:
With embodiment 1 difference be in the present embodiment: the quantity of described steel ball 2 is that the quantity of 4 and described radial hole equates with the quantity of described steel ball 2.
Embodiment 3:
With embodiment 1 difference be in the present embodiment: the quantity of described steel ball 2 is that the quantity of 6 and described radial hole equates with the quantity of described steel ball 2.
It should be noted that, the utility model illustrated embodiment, just in order more clearly to express the structure in the utility model, is not limited to the utility model.For example, the quantity of described steel ball 2 and described radial hole is not what fix, but determine according to the shape of clamped workpiece.For example, when described tight lock optical axis 9 be cylindrical structural time, the quantity of described steel ball is at least three or more; For example, when described tight lock optical axis 9 or when being held workpiece and thering is a plurality of axial plane: when being held workpiece described in and being hexagonal cylindrical structural, the quantity of described steel ball 2 is that six and each steel ball 2 are respectively at each face movable contact of described hexagonal cylindrical structural; All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.Every foundation technical spirit of the present utility model, to any simple modification made for any of the above embodiments, all still belongs to the scope of technical solutions of the utility model.

Claims (10)

1. an axial locking device, comprise the overcoat (5) that is enclosed within inner sleeve (6) and spring (4), inner conical cover (3), it is characterized in that: along the circumference wall of described inner sleeve (6) evenly offer in the radial direction radial hole, in described radial hole, be filled with the steel ball (2) contacting with the inner conical inwall of described inner conical cover (3).
2. axial locking device as claimed in claim 1, is characterized in that: inner sleeve (6) runs through described overcoat (5).
3. axial locking device as claimed in claim 1, is characterized in that: described radial hole quantity is at least three.
4. axial locking device as claimed in claim 1 or 2, is characterized in that: inner sleeve (6) one end outer circumferential walls is provided with radially outstanding flange (8), and the other end is fixed with handle and draws and emit (7).
5. axial locking device as claimed in claim 4, is characterized in that: handle draws to emit on (7) and offers through hole.
6. axial locking device as claimed in claim 5, is characterized in that: the diameter of described through hole equals the interior diameter of described inner sleeve (6).
7. axial locking device as claimed in claim 4, is characterized in that: flange (8) is integral type structure with inner sleeve (6).
8. axial locking device claimed in claim 7, is characterized in that: the upper end of the position of flange (8) steel ball (2) in described radial hole.
9. axial locking device claimed in claim 8, is characterized in that: flange (8) is parallel to described radial hole.
10. the axial locking device described in claim 8 or 9, is characterized in that: the inwall movable contact of one end of spring (4) and overcoat (5), the other end and flange (8) movable contact.
CN201320449169.6U 2013-07-26 2013-07-26 Axially locking device CN203390616U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320449169.6U CN203390616U (en) 2013-07-26 2013-07-26 Axially locking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320449169.6U CN203390616U (en) 2013-07-26 2013-07-26 Axially locking device

Publications (1)

Publication Number Publication Date
CN203390616U true CN203390616U (en) 2014-01-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320449169.6U CN203390616U (en) 2013-07-26 2013-07-26 Axially locking device

Country Status (1)

Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103801953A (en) * 2014-03-12 2014-05-21 无锡威孚马山油泵油嘴有限公司 Fast mounted fixture for plunger sleeve
CN104895958A (en) * 2015-04-17 2015-09-09 中国煤炭科工集团太原研究院有限公司 Automatic restoration adjustable torque limiter
CN104973464A (en) * 2015-07-17 2015-10-14 上海鼎凡电工机械股份有限公司 Self-locking type axial locking device for clamping wire coil
CN109771036A (en) * 2019-03-15 2019-05-21 上海电气集团股份有限公司 End effector device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103801953A (en) * 2014-03-12 2014-05-21 无锡威孚马山油泵油嘴有限公司 Fast mounted fixture for plunger sleeve
CN104895958A (en) * 2015-04-17 2015-09-09 中国煤炭科工集团太原研究院有限公司 Automatic restoration adjustable torque limiter
CN104973464A (en) * 2015-07-17 2015-10-14 上海鼎凡电工机械股份有限公司 Self-locking type axial locking device for clamping wire coil
CN109771036A (en) * 2019-03-15 2019-05-21 上海电气集团股份有限公司 End effector device

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140115

Termination date: 20190726