CN109894999A - Accurate positioning fixture of watchcase - Google Patents
Accurate positioning fixture of watchcase Download PDFInfo
- Publication number
- CN109894999A CN109894999A CN201910271791.4A CN201910271791A CN109894999A CN 109894999 A CN109894999 A CN 109894999A CN 201910271791 A CN201910271791 A CN 201910271791A CN 109894999 A CN109894999 A CN 109894999A
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- Prior art keywords
- watchcase
- pedestal
- fastener
- mounting hole
- positioning fixture
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 79
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 16
- 239000013013 elastic material Substances 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The application relates to the technical field of watch manufacturing equipment, in particular to an accurate positioning clamp for a watch case, which comprises a base, a positioning device and a positioning device, wherein the base is provided with a mounting hole; the support head is provided with an elastic expansion part for fixing the watchcase and a conical top hole for expanding the elastic expansion part; the positioning structure is used for limiting the horizontal position of the supporting head; the locking structure is used for locking the supporting head in the mounting hole; the top of the outward expansion ejection core is a cone which is small at the top and big at the bottom and corresponds to the cone-shaped ejection hole; and the driving structure is connected with the outward expansion ejection core to drive the outward expansion ejection core to eject and extend into the conical ejection hole so as to open the elastic opening part. The application provides accurate positioning fixture of watchcase uses accurate positioning fixture of watchcase to carry out the location processing of watchcase, and not only loading and unloading convenient and fast, and can swiftly, accurate, repeatedly fix a position the level and the vertical position of chapping, and then pinpoint the watchcase, guarantee the machining precision of watchcase.
Description
[technical field]
This application involves wrist-watch manufacturing equipment technical field more particularly to watchcase precise positioning fixtures.
[background technique]
Wrist-watch is also very finely that each components of wrist-watch, which generally require, to be passed through as a kind of precision machinery, workmanship
Frock clamp is assisted to realize its fine processing.
Wherein, the general first step of the watchcase of wrist-watch processes intermediate for installing the through-hole of watch window, then passes through folder
Tool is positioned on the basis of the through-hole and is fixed, then the processing such as end face or hole for carrying out second step.It should be noted that due to watchcase
Model it is very much, so second step processing in fixture by pedestal and it is replaceable be adapted to the watchcase of different model fastener assemble
It forms, the fixed through-hole in the upper end of the fastener positions the watchcase in turn, and the lower end of the fastener puts in the pedestal
In base aperture, then the fastener is fixed in base aperture by the screw radially put in base aperture from side.However, logical
It crosses screw mode to be positioned, on the one hand needs the circumferential position of manual adjustment fastener, what another aspect fastener was connect with screw
Positioning accuracy when positioning next time is difficult to guarantee after the abrasion of place again.
[summary of the invention]
In order to solve the above technical problems, the application's is designed to provide watchcase precise positioning fixture, the watchcase is used
Precise positioning fixture carries out the positioning process of watchcase, not only easy to loading and unloading quick, and can it is quick, accurate, repeatedly position institute
The horizontal and vertical position of fastener is stated, and then watchcase is accurately positioned, guarantees the machining accuracy of watchcase.
The application is achieved through the following technical solutions:
Watchcase precise positioning fixture, comprising:
Pedestal offers mounting hole；
Fastener is detachably mounted in the mounting hole, and the fastener is equipped with and struts for fixing the elasticity of watchcase
Portion and the taper apical pore that portion is strutted for strutting the elasticity；
Location structure is set on the pedestal, for limiting the circumferential position of the fastener；
Locking mechanism is set on the pedestal, for locking in the mounting hole the fastener；
Rise plunger tip outside, be located in the mounting hole can the relatively described mounting hole ejection or retraction, the outer plunger tip top of rising
Portion is up-small and down-big taper corresponding with the taper apical pore；
Driving structure is connect with the outer plunger tip that rises, to drive the outer plunger tip that rises to eject and put in the taper top
Strutting the elasticity struts portion in turn in hole.
Watchcase precise positioning fixture as described above, the fastener lower end be connected and upper end be separated into it is multiple can be radially
The part of opening and closing struts portion to form the elasticity, the fastener be separated into it is multiple can the radially part of opening and closing upper end point
It does not extend downwardly and encloses and set to form the taper apical pore.
Watchcase precise positioning fixture as described above, the lower end of the fastener, which is enclosed, to be set to be formed for the outer plunger tip guiding that rises
Pilot hole.
Watchcase precise positioning fixture as described above, the location structure are the convex set on the mounting hole bottom
It rises.
Watchcase precise positioning fixture as described above, the driving structure include the plunger shaft being opened in the pedestal and
Driving piston in the plunger shaft；The driving piston is connected with the outer plunger tip that rises, and on the driving piston
End face is formed also between the plunger shaft can connect gas source to inflate the lower plenum chamber for pushing the driving piston, the driving
Piston is equipped with the jacking spring for jacking the driving piston.
Watchcase precise positioning fixture as described above, being formed between the driving piston lower surface and the plunger shaft can connect
Gas source is connect to inflate the jacking gas chamber for jacking the driving piston.
Watchcase precise positioning fixture as described above, the locking mechanism includes ball bearing guide bushing and clamping piston；
The ball bearing guide bushing is set on the inside of the mounting hole, is equipped with multiple balls on the ball bearing guide bushing, the multiple
The center of ball is located between the inner and outer wall of the ball bearing guide bushing, and the multiple ball circumferentially divides along the ball bearing guide bushing
Cloth is formed with compression movable chamber between the ball bearing guide bushing outer wall and the pedestal；
The clamping piston is sheathed on the ball bearing guide bushing outer wall and is located in the compression movable chamber, the clamping piston
Upper end and described compress are equipped with compression elastic component for pushing the clamping piston between movable chamber, under the clamping piston
End is formed with the compression movable chamber can connect gas source to inflate the reset gas chamber for moving up the clamping piston；
The cunning recess portion that the clamping piston inner wall is equipped with surface and the ball offsets, by institute when the clamping piston pushes
Ball is stated to press in mounting hole, the clamping piston when moving up the ball can contract and be hidden in the sliding recess portion.
Watchcase precise positioning fixture as described above, the side of the fastener are equipped with lock indent and are pushed up in mounting hole with accommodating
The ball of pressure, the lock indent lower end are equipped with locking inclined-plane.
Watchcase precise positioning fixture as described above, the lock indent is interior to be filled with elastic material.
Watchcase precise positioning fixture as described above, the pedestal include the first pedestal, the second pedestal, third pedestal and the
Four pedestals；
First pedestal is sheathed on upwards on second pedestal, and second pedestal is sheathed on the driving knot upwards
On structure, the driving structure is embedded at upwards on the third pedestal, and the third pedestal is embedded at the 4th pedestal upwards
On, the outer plunger tip that rises is nested in the driving structure center.
Compared with prior art, the application has the following advantages:
1, the positioning process of watchcase is carried out using the watchcase precise positioning fixture, it is not only easy to loading and unloading quick, and can
Fast, the horizontal and vertical position of fastener accurately, is repeatedly positioned, and then watchcase is accurately positioned, guarantees the machining accuracy of watchcase.
2, the fastener utilizes the elastic reset of metal, and realizes that the elasticity struts portion by opening the taper apical pore
Strut, structure is simple, and can accurately lock watchcase between two parties, guarantee machining accuracy.
3, the driving structure drives the outer plunger tip that rises to strut the fastener generation and props up table using the jacking spring
The clamping power of shell drives the outer plunger tip that rises to reset, so that the clamping of watchcase is simpler reliable using air pressure.
4, the locking mechanism ejects carry out locking positioning simultaneously by circumferentially distributed ball, can play lock to fastener
Tight and placed in the middle effect, positioning is more accurate reliable, and circumferential multiple spot stress, and not easy to wear, resetting is relatively reliable.
5, the pedestal passes through first pedestal, second pedestal, the third pedestal, the 4th pedestal, institute
Driving structure and outer the nested layer by layer of plunger tip that rise are stated, is then fixed, is strengthened same between each pedestal by screw again
Axis degree, and then improve the positioning accuracy of fixture.
[Detailed description of the invention]
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 be the embodiment of the present application described in watchcase precise positioning fixture decomposition texture schematic diagram, wherein the fastener without
It shows；
Fig. 2 is the top view of watchcase precise positioning fixture described in the embodiment of the present application；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the B-B cross-sectional view of Fig. 2；
Fig. 5 is the enlarged drawing of Fig. 4；
Fig. 6 is the full sectional view of the main view of fastener described in the embodiment of the present application；
Fig. 7 is the top view of fastener described in the embodiment of the present application.
[specific embodiment]
The technical issues of in order to keep the application solved, technical solution and beneficial effect are more clearly understood, below in conjunction with
The application is further elaborated in accompanying drawings and embodiments.It should be appreciated that specific embodiment described herein is only used
To explain the application, it is not used to limit the application.
As shown in Figures 1 to 7, the embodiment of the present application proposes watchcase precise positioning fixture, including pedestal 1, fastener 10, positioning
Structure 3, locking mechanism 2, rise plunger tip 4 and driving structure 5 outside.
Wherein, the pedestal 1 offers mounting hole 11.
The fastener 10 is detachably mounted in the mounting hole 11, and the fastener 10 is equipped with the bullet for fixing watchcase
Property struts portion 101 and struts the taper apical pore 102 in portion 101 for strutting the elasticity.
The location structure 3 is set on the pedestal 1, for limiting the circumferential position of the fastener 10.
The locking mechanism 2 is set on the pedestal 1, for the fastener 10 to be locked in the mounting hole 11.
The outer plunger tip 4 that rises be located in the mounting hole 11 can the relatively described ejection of mounting hole 11 or retraction, it is described to rise outside
It is up-small and down-big taper corresponding with the taper apical pore 102 at the top of plunger tip 4.
The driving structure 5 is connect with the outer plunger tip 4 that rises, to drive the outer plunger tip 4 that rises to eject and put in the cone
Strutting the elasticity struts portion 101 in turn in shape apical pore 102.
When using the watchcase precise positioning fixture, after choosing the fastener 10 being adapted to the watchcase to be processed first, it will support
First 10 are installed in mounting hole 11, and 10 bottom of fastener is equipped with locating slot, when the fastener 10 is installed in mounting hole 11,
The locating slot is loaded on the positioning convex platform 31 of the positioning pedestal.At this point, the circumferential position of the fastener 10 is defined, lead to
It crosses locking mechanism 2 to position the vertical position of the fastener 10 and the fastener 10 is lock onto mounting hole 11, then, by watchcase
It covers on fastener 10, is ejected and described in putting in the taper apical pore 102 and strutting by the plunger tip 4 that will rise outside of driving structure 5
Elasticity struts portion 101, and the elasticity struts and fixes the watchcase stretching when portion 101 struts.Use the watchcase precise positioning
Fixture carries out the positioning process of watchcase, not only easy to loading and unloading quick, and can quick, accurate, repeatedly position the water of fastener 10
Gentle vertical position, and then watchcase is accurately positioned, guarantee the machining accuracy of watchcase.
Specifically, 10 lower end of fastener be connected and upper end be separated into it is multiple can radially opening and closing part 105 with shape
Strut portion 101 at the elasticity, the fastener 10 be separated into it is multiple can radially the part 105 of opening and closing upper end separately down
Extend and enclose and sets to form the taper apical pore 102.
Wherein, 10 material of fastener is metal material, and preferred mold steel is waited from top to bottom by columned steel body and cut
Be cut into multiple cross sections and be that fan-shaped block is formed, it is highly preferred that it is described be separated into it is multiple can the parts 105 of radially opening and closing be etc.
4 parts divided.The fastener 10 utilizes the elastic reset of metal, and realizes the elasticity by opening the taper apical pore 102
Strutting for portion 101 is strutted, structure is simple, and can accurately lock watchcase between two parties, guarantees machining accuracy.
Further, the pilot hole 104 for setting and being formed for the outer guiding of plunger tip 4 that rises is enclosed in the lower end of the fastener 10.Make
The ejection for obtaining the outer plunger tip 4 that rises is more smooth accurate.
In the present embodiment, the location structure 2 is the positioning protrusion set on 11 bottom of mounting hole.The positioning protrusion
It is distributed in crossing distribution or star.Its structure is simple, and the locking mechanism 2 is cooperated to realize the reliable location of the watchcase.And
And the section of the positioning protrusion be it is trapezoidal, guiding role from top to down can be played so that positioning it is more accurate.
In the present embodiment, the driving structure 5 includes the plunger shaft 51 that is opened in the pedestal 1 and is set to the piston
Driving piston 52 in chamber 51；The driving piston 52 is connected with the outer plunger tip 4 that rises, and 52 upper surface of driving piston
Gas source can be connect to inflate the lower plenum chamber 53 for pushing the driving piston 52, the drive by being formed also between the plunger shaft 51
52 lower end of piston is equipped with the jacking spring 54 for jacking the driving piston 52.Specifically, the jacking spring 54 is more
A disc spring stacked.The disc spring is also known as disk spring, and rigidity is big, passes through multiple disc spring Coaxial Superimposeds, energy
It is enough to generate very big load, enough top lifts are provided.
In use, jacking spring 54 continues to press to the outer plunger tip 4 that rises, the outer plunger tip 4 that rises is ejected and puts in institute
It states in taper apical pore 102 and then struts the elasticity and strut portion 101, can make to drive piston 52 when toward the lower inflation of plenum chamber 53
Downlink, drives outer 4 downlink of plunger tip that rises, and the elasticity, which struts portion 101 and loses to reset after distracted power, to be folded, and can tear open at this time
The watchcase on fastener is unloaded, to carry out clamping next time.The driving structure 5 is driven described outer using the jacking spring 54
The plunger tip 4 that rises struts the fastener and generates the clamping power for propping up watchcase, drives the outer plunger tip 4 that rises to reset using air pressure, so that table
The clamping of shell is simpler reliable.
More preferably, gas source can be connected to inflate jacking by being formed between 52 lower end surface of driving piston and the plunger shaft 51
The jacking gas chamber 55 of the driving piston 52.The jacking gas chamber 55 can be added with the active force of the jacking spring 54, be added
The clamping power of strong fastener, to adapt to the watchcase of unlike material.
In the present embodiment, the locking mechanism 2 includes ball bearing guide bushing 21 and clamping piston 23.The ball bearing guide bushing 21 is set to
On the inside of the mounting hole 11, multiple balls 211 are equipped on the ball bearing guide bushing 21, the center of the multiple ball 211 is limited
System ground is located between the inner and outer wall of the ball bearing guide bushing 21, and the multiple ball 211 is circumferential along the ball bearing guide bushing 21
Distribution is formed between 21 outer wall of ball bearing guide bushing and the pedestal 1 and compresses movable chamber 22.
The clamping piston 23 is sheathed on 21 outer wall of ball bearing guide bushing and is located in the compression movable chamber 22, the pressure
The compression elastic component for pushing the clamping piston 23 is equipped between tight 23 upper end of piston and the compression movable chamber 22
231, specifically, the compression elastic component 231 is the more springs being uniformly distributed circumferentially, by test of many times, the spring
It is preferred that 12.Using the elastic force for compressing elastic component 231 as pressing force, more stable pressure can be generated to the clamping piston 23
Power is finally to lock fastener, it is of course also possible to use air pressure is compressed.
23 lower end of clamping piston is formed with the compression movable chamber 22 can connect gas source to inflate the compression
The reset gas chamber 232 that piston 23 moves up.
The cunning recess portion 233 that 23 inner wall of clamping piston is equipped with surface and the ball 211 offsets, the clamping piston 23
The ball 211 is pressed in mounting hole 11 when pushing, the clamping piston 23 when moving up the ball 211 can contract and be hidden in institute
It states in sliding recess portion 233.
In use, the inflation in the reset gas chamber 232, the clamping piston 23 move up, the sliding recess portion 233 moves therewith
It moves to the ball 211, the ball, which can contract, to be hidden in the sliding recess portion 233, at this point, fastener 10 is installed in installation
In hole 11, then stop inflation, the compression elastic component 231 presses down the clamping piston 23, therewith the sliding recess portion 233
It moves down and ejects the inner wall that the ball 211 passes through the ball bearing guide bushing 21 in the mounting hole 11, fastener 10 is locked
Tightly in mounting hole 11.Since the ball 211 is circumferentially distributed on the ball bearing guide bushing 21, when the sliding recess portion 233 moves up
It is by circumferentially distributed ball 211 while to eject, therefore the locking mechanism 2 can play locking and effect placed in the middle to fastener,
More accurate reliable, and circumferential multiple spot stress is positioned, not easy to wear, resetting is relatively reliable.
Correspondingly, the side of the fastener 10 is equipped with the ball 211 that lock indent 103 is pressed in mounting hole 11 with accommodating,
103 lower end of lock indent is equipped with locking inclined-plane 1031.The ball 211 is pressed on described when ejecting into the mounting hole 11
It locks on inclined-plane 1031, radial and downward component is generated to the fastener by the locking inclined-plane 1031, with more accurately
Positioning and locking fastener.
More preferably, elastic material 1032 is filled in the lock indent 103.The offer of lock indent 103 accommodating space, and institute
It states elastic material 1032 and then provides the damping of appropriateness in the ball 211 ejection, so that the ejection locking of the ball 211 is more
Stablize.
In the present embodiment, the pedestal 1 includes the first pedestal 12, the second pedestal 13, third pedestal 14 and the 4th pedestal 15；
First pedestal 12 is sheathed on upwards on second pedestal 13, and second pedestal 13 is sheathed on the driving structure upwards
On 5, the driving structure 5 is embedded at upwards on the third pedestal 14, and the third pedestal 14 is embedded at the described 4th upwards
On pedestal 15, the outer plunger tip 4 that rises is nested in 5 center of driving structure.
The pedestal 1 passes through first pedestal 12, second pedestal 13, the third pedestal 14,4th described
Body 15, the driving structure 5 and outer the nested layer by layer of plunger tip 4 that rise, are then fixed again by screw, strengthen each pedestal
Between concentricity, and then improve the positioning accuracy of fixture.In order to reinforce air-tightness, it is equipped between the part of each nesting close
Seal.
Further, the pedestal 1 is equipped with for by watchcase precise positioning fixture and the replaceable fastener of being used for
Positioning pedestal is fixed on the mounting portion 15 of process equipment.Fixture can be installed in CNC equipment to table more conveniently
Shell is processed.
In conclusion the application have but be not limited to it is following the utility model has the advantages that
1, the positioning process of watchcase is carried out using the watchcase precise positioning fixture, it is not only easy to loading and unloading quick, and can
Fast, the horizontal and vertical position of fastener 10 accurately, is repeatedly positioned, and then watchcase is accurately positioned, guarantees the processing essence of watchcase
Degree.
2, the fastener 10 utilizes the elastic reset of metal, and realizes the elasticity by opening the taper apical pore 102
Strutting for portion 101 is strutted, structure is simple, and can accurately lock watchcase between two parties, guarantees machining accuracy.
3, the driving structure 5 drives the outer plunger tip 4 that rises to strut the fastener and generates support using the jacking spring 54
The clamping power for holding watchcase drives the outer plunger tip 4 that rises to reset, so that the clamping of watchcase is simpler reliable using air pressure.
4, the locking mechanism 2 ejects carry out locking positioning simultaneously by circumferentially distributed ball 211, can rise to fastener
To locking and effect placed in the middle, positioning is more accurate reliable, and circumferential multiple spot stress, and not easy to wear, resetting more may be used
It leans on.
5, the pedestal 1 passes through first pedestal 12, second pedestal 13, the third pedestal 14, the described 4th
Pedestal 15, the driving structure 5 and outer the nested layer by layer of plunger tip 4 that rise, are then fixed again by screw, strengthen each seat
Concentricity between body, and then improve the positioning accuracy of fixture.
It should be understood that various information are described in the application using term " first ", " second " etc., but these information
It should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from the application
In the case where range, " first " information can also be referred to as " second " information, and similar, " second " information can also be referred to as
" first " information.In addition, term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the application and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as the limitation to the application.
It is the one or more embodiments provided in conjunction with particular content as described above, does not assert the specific reality of the application
It applies and is only limited to these instructions.It is all approximate with the present processes, structure etc., identical, or under the application concept thereof
It makes several technologies to deduce, or replacement all should be considered as the protection scope of the application.
Claims (10)
1. watchcase precise positioning fixture characterized by comprising
Pedestal (1) offers mounting hole (11)；
Fastener (10) is detachably mounted in the mounting hole (11), and the fastener (10) is equipped with for fixing watchcase
Elasticity struts portion (101) and struts the taper apical pore (102) in portion (101) for strutting the elasticity；
Location structure (3) is set on the pedestal (1), for limiting the circumferential position of the fastener (10)；
Locking mechanism (2) is set on the pedestal (1), for the fastener (10) to be locked in the mounting hole (11)；
Rise plunger tip (4) outside, be located in the mounting hole (11) can the mounting hole (11) ejection or retraction relatively, it is described outer to rise
It is up-small and down-big taper corresponding with taper apical pore (102) at the top of plunger tip (4)；
Driving structure (5) connect with the outer plunger tip (4) that rises, to drive outer rise plunger tip (4) ejection and to put in the cone
Strutting the elasticity struts portion (101) in turn in shape apical pore (102).
2. watchcase precise positioning fixture according to claim 1, which is characterized in that fastener (10) lower end be connected and
Upper end be separated into it is multiple can the parts (105) of radially opening and closing strutted portion (101) with forming the elasticity, the fastener (10)
Being separated into multiple radially can extend separately down and enclose and set to form the taper apical pore in the upper end of the part (105) of opening and closing
(102)。
3. watchcase precise positioning fixture according to claim 2, which is characterized in that the lower end of the fastener (10), which is enclosed, sets shape
At the pilot hole (104) for outer plunger tip (4) guiding that rises.
4. watchcase precise positioning fixture according to claim 1, which is characterized in that the location structure (2) is set on institute
State the positioning protrusion of mounting hole (11) bottom.
5. watchcase precise positioning fixture according to claim 1, which is characterized in that the driving structure (5) includes opening up
In the plunger shaft (51) in the pedestal (1) and the driving piston (52) being set in the plunger shaft (51)；The driving piston
(52) it is connected with the outer plunger tip (4) that rises, and driving piston (52) upper surface shape also between the plunger shaft (51)
At that can connect gas source to inflate the lower plenum chamber (53) for pushing driving piston (52), driving piston (52) lower end is equipped with
For jacking the jacking spring (54) of driving piston (52).
6. watchcase precise positioning fixture according to claim 4, which is characterized in that the driving piston (52) lower end surface with
Gas source can be connected to inflate the jacking gas chamber (55) for jacking driving piston (52) by being formed between the plunger shaft (51).
7. watchcase precise positioning fixture according to claim 1, which is characterized in that the locking mechanism (2) includes ball
Guide sleeve (21) and clamping piston (23)；
The ball bearing guide bushing (21) is set on the inside of the mounting hole (11), is equipped with multiple balls on the ball bearing guide bushing (21)
(211), the center of the multiple ball (211) is located between the inner and outer wall of the ball bearing guide bushing (21), and the multiple
Ball (211) is circumferentially distributed along the ball bearing guide bushing (21), is formed between ball bearing guide bushing (21) outer wall and the pedestal (1)
There are compression movable chamber (22)；
The clamping piston (23) is sheathed on the ball bearing guide bushing (21) outer wall and is located in the compression movable chamber (22), described
The compression for pushing the clamping piston (23) is equipped between clamping piston (23) upper end and compression movable chamber (22)
Elastic component (231), clamping piston (23) lower end be formed with the compression movable chamber (22) gas source can be connect with inflate by
The reset gas chamber (232) that the clamping piston (23) moves up；
Clamping piston (23) inner wall is equipped with the cunning recess portion (233) that surface and the ball (211) offset, the clamping piston
(23) ball (211) is pressed in mounting hole (11) when pushing, the clamping piston (23) ball when moving up
(211) it can contract and be hidden in the sliding recess portion (233).
8. watchcase precise positioning fixture according to claim 7, which is characterized in that the side of the fastener (10) is equipped with lock
For indent (103) to accommodate the ball (211) pressed in mounting hole (11), the lock indent (103) lower end is equipped with locking inclined-plane
(1031)。
9. watchcase precise positioning fixture according to claim 7, which is characterized in that be filled in the lock indent (103)
Elastic material (1032).
10. watchcase precise positioning fixture according to claim 1, which is characterized in that the pedestal (1) includes the first pedestal
(12), the second pedestal (13), third pedestal (14) and the 4th pedestal (15)；
First pedestal (12) is sheathed on upwards on second pedestal (13), and second pedestal (13) is sheathed on institute upwards
It states on driving structure (5), the driving structure (5) is embedded at upwards on the third pedestal (14), the third pedestal (14)
It is embedded on the 4th pedestal (15) upwards, the outer plunger tip (4) that rises is nested in the driving structure (5) center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271791.4A CN109894999B (en) | 2019-04-04 | 2019-04-04 | Accurate positioning fixture for watchcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271791.4A CN109894999B (en) | 2019-04-04 | 2019-04-04 | Accurate positioning fixture for watchcase |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109894999A true CN109894999A (en) | 2019-06-18 |
| CN109894999B CN109894999B (en) | 2023-12-19 |
Family
ID=66954468
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910271791.4A Active CN109894999B (en) | 2019-04-04 | 2019-04-04 | Accurate positioning fixture for watchcase |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08184684A (en) * | 1994-12-27 | 1996-07-16 | Tama Seimitsu Kk | Watch case back producing device |
| CN204235228U (en) * | 2014-11-24 | 2015-04-01 | 宁波市北仑区环港机械厂 | A kind of positioner of external ball cage |
| CN207026993U (en) * | 2017-08-14 | 2018-02-23 | 湖州以创轴承有限公司 | A kind of quick Self-positioning clamp of high accuracy |
| CN108297002A (en) * | 2018-01-08 | 2018-07-20 | 歌尔股份有限公司 | Clamping automatic inner-support tooling and automatic inner-support localization machine |
| CN109550988A (en) * | 2018-12-07 | 2019-04-02 | 广州市昊志机电股份有限公司 | A kind of high precision machine tool dabber clamp and its clamping method |
| CN109551279A (en) * | 2018-12-07 | 2019-04-02 | 广州市昊志机电股份有限公司 | A kind of high-precision automatic lathe mandrel fixture |
-
2019
- 2019-04-04 CN CN201910271791.4A patent/CN109894999B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08184684A (en) * | 1994-12-27 | 1996-07-16 | Tama Seimitsu Kk | Watch case back producing device |
| CN204235228U (en) * | 2014-11-24 | 2015-04-01 | 宁波市北仑区环港机械厂 | A kind of positioner of external ball cage |
| CN207026993U (en) * | 2017-08-14 | 2018-02-23 | 湖州以创轴承有限公司 | A kind of quick Self-positioning clamp of high accuracy |
| CN108297002A (en) * | 2018-01-08 | 2018-07-20 | 歌尔股份有限公司 | Clamping automatic inner-support tooling and automatic inner-support localization machine |
| CN109550988A (en) * | 2018-12-07 | 2019-04-02 | 广州市昊志机电股份有限公司 | A kind of high precision machine tool dabber clamp and its clamping method |
| CN109551279A (en) * | 2018-12-07 | 2019-04-02 | 广州市昊志机电股份有限公司 | A kind of high-precision automatic lathe mandrel fixture |
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| CN109894999B (en) | 2023-12-19 |
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