CN207508452U - Thread grinding special fixture - Google Patents
Thread grinding special fixture Download PDFInfo
- Publication number
- CN207508452U CN207508452U CN201721716972.6U CN201721716972U CN207508452U CN 207508452 U CN207508452 U CN 207508452U CN 201721716972 U CN201721716972 U CN 201721716972U CN 207508452 U CN207508452 U CN 207508452U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- thread
- axis
- screw
- workpiece
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Landscapes
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model discloses thread grinding special fixtures, including the clamp assemblies that can clamp cylindrical workpiece and screw rod and inner thread sleeve coaxial to one another, the screw rod is threadedly coupled with inner thread sleeve, and one end of screw rod be pierced by the centre bore of inner thread sleeve after connect with clamp assemblies.Pass through the utility model, the processing of screw thread can directly can be carried out using existing grinding machine, suitable for single component or the screw thread process of the product of small batch, the processing that screw thread special purpose machine tool carries out screw thread need not be bought, the cost of small batch screwed part production is reduced, and improves economy, while also expand the manufacture field of general-purpose grinder, make general-purpose grinder that can not only be ground plane, groove, screw thread can also be processed.
Description
Technical field
The utility model is related to screw thread process fields, and in particular to thread grinding special fixture.
Background technology
Screw thread process refers to make on cylinder or circular cone parent surface spiral yarn shaped, continuous with particular cross section
Projection portion.Screw thread is divided into cylindrical thread and tapered tread by its parent shape；Be divided by it in parent present position external screw thread,
Internal thread is divided into triangle thread, rectangular thread, trapezoidal thread, saw-tooth thread and other spies by its cross sectional shape (tooth form)
Different shape screw thread.
There is the screw thread special purpose machine tool for being specifically applied to processing screw thread in the prior art, such as：Lathe can be with turning accuracy
Not high screw thread, screw thread with high accuracy can use screw thread special purpose grinder grinding.And in some manufacturing factories, due to life
The reasons such as the technique of the product of production without using arriving screw thread special purpose grinder, therefore can't purchase screw thread special purpose grinder.And work as and be somebody's turn to do
When factory needs to process high precision screw component or due to component hardness height, when can not use turnery processing screw thread, directly purchase
Screw thread special purpose grinder not only results in cost increase, and for seldom processing for the factory of screw thread, and it is special directly to buy screw thread
The cost that the screwed part that grinding machine is applied to small batch produces is great, and economy is very low.
Utility model content
The utility model aim is to provide thread grinding special fixture, solves directly purchase screw thread special purpose grinder and be applied to
The problem of cost of the screwed part production of small batch is great, and economy is very low.Therefore the utility model designs spiral shell
Line special jig for grinding on the basis of with grinding wheel lathe, sets associated clamps, is ground on component by the grinding of grinding wheel
Go out required screw thread, without buying screw thread special purpose grinder, equally solving the grinding of high precision screw and can not using
The problem of turnery processing screw thread, the cost of small lot screwed part production is reduced, and improve economy.
The utility model is achieved through the following technical solutions：
Thread grinding special fixture, including the clamp assemblies of cylindrical workpiece and screw rod coaxial to one another and interior can be clamped
Screw shell, the screw rod are threadedly coupled with inner thread sleeve, and one end of screw rod be pierced by after the threaded hole of inner thread sleeve with
Clamp assemblies connect.
Clamp assemblies may be used clip, anchor ear, scroll chuck, spiral clamper or adsorb iron content by electromagnet
Workpiece.
The screw pitch of screw thread coordinated in the screw pitch and screw rod of the screw thread gone out on workpiece via wheel grinding with inner thread sleeve
Unanimously.
By the utility model, the accurate grinding that screw thread can directly can be carried out using existing grinding machine is processed, fitted
It is processed for the thread grinding of single component or the product of small batch, adding for screw thread is carried out without buying screw thread special purpose grinder
Work, reduces the cost of small batch screwed part production, and improves economy, while also expands adding for existing general-purpose grinder
Work field makes general-purpose grinder that can not only be ground plane, groove, can also process screw thread.
Further, the inner thread sleeve includes thread barrel and guide cylinder coaxial to one another, and the thread barrel passes through
Screw I is connect with guide cylinder, and the internal thread of inner thread sleeve is located on the threaded hole hole wall of thread barrel, screw rod and thread barrel screw thread
Connection, and one end of screw rod sequentially pass through after pass through thread barrel threaded hole and guide cylinder pilot hole after with clamp assemblies connect
It connects.
The internal thread of inner thread sleeve is arranged on thread barrel, and thread barrel is connected by screw I and guide cylinder detachable
It connects, convenient for thread barrel is disassembled, so as to replace with the thread barrel of other screw pitch and matching screw rod, then in work
The screw thread of other screw pitch is processed on part, expands the scope of application of the utility model, so that can be in workpiece by the utility model
On can process the screw threads of various screw pitch.
Further, the clamp assemblies include driving lever and clip, and the driving lever is the side wall of L-shaped, one end and screw rod
Connection, the other end and clamp connection, the axis of the holding holes of the clip and the axis of screw rod are concentric.
Preferably, the axis collinear of the axis of the holding holes of clip and screw rod.
During clamping workpiece, one end of workpiece is inserted into clip, then locking hoop, is fixed workpiece with clip.
Further, one end of the driving lever is connect by screw II with the side wall of screw rod, and the other end of driving lever passes through spiral shell
Nail III and clamp connection.
The both ends of driving lever with corresponding component dismantling connection, convenient for the utility model later stage maintenance or replace with it
His clamp assemblies.
Further, side of the clamp assemblies far from screw rod is provided with the axis support concentric with the axis of screw rod
Component, the support component includes being sequentially connected and branch is inserted into the support shaft of coaxial line and bearing cylinder, one end of the support shaft
It holds in the supported hole of cylinder, spring is provided between one end of separate screw rod and the supported hole bottom hole for supporting cylinder in support shaft.
Preferably, the axis of support component and the axis of screw rod are concentric.
The setting of support component is so that workpiece obtains the support from support component in one end far from clamp assemblies, not only
The stress value that clamp assemblies are born in gravity direction is reduced, also improves the concentricity of workpiece and screw rod, is avoided remote on workpiece
One end from clamp assemblies occurs to the situation of tenesmus when hanging.
Further, the support component further includes the axis adjusting rod concentric with the axis of bearing cylinder, on bearing cylinder
One end far from screw rod is provided with clamp nut, and the axis of the clamp nut and the axis for supporting cylinder are concentric, the adjusting rod
One end sequentially pass through clamp nut and support cylinder cylinder bottom after on spring far from support shaft end thereof contacts, and adjusting rod with
Clamp nut is threadedly coupled.
The setting of adjusting rod, convenient for by rotation adjusting lever come the pressing force of adjustment spring.The pressing force of spring is bigger, energy
Make in screw thread process, the axis of workpiece is close proximity to the axis in precalculated position, the concentricity of raising workpiece screw thread.
Meanwhile after the screw thread process for completing workpiece, rotation adjusting lever, so that adjusting rod is far from screw rod, then to adjusting
Bar mobile bearing axis, to increase the gap between support shaft and screw rod, in order to which workpiece is unloaded from support component and clamp assemblies
Under.
And it after being adjusted for same batch products processing pressing force, does not need to adjust again, completes the screw thread process of workpiece
Afterwards, when unloading workpiece, handle only need to be pushed, makes to be retracted away from workpiece close to the top of handle, workpiece can unload.
Further, one end close to spring in the support shaft is provided with the axis peace concentric with the axis of support shaft
Hole is filled, the spring is located in mounting hole, and one end of the adjusting rod is passed through behind the cylinder bottom of bearing cylinder in insertion mounting hole.
Further, rotating wheel, the axis and tune of the rotating wheel are provided in the one end of the adjusting rod far from screw rod
The axis of pole overlaps.
The setting of rotating wheel convenient for more effortless rotates adjusting rod to realize the adjustment of pressing force of the spring.
Further, be both provided on the face relative to each other of the screw rod and support shaft it is top, it is described it is top be circle
Cone, tip is relative to each other, and its axis is overlapped with the axis of screw rod.
Before carrying out screw thread process to workpiece, the centre bore coaxial with workpiece is first processed on two end faces of workpiece,
When workpiece is installed then, the centre bore on two end faces of workpiece is made respectively to coordinate respectively with a top tip.This can not only be carried
The concentricity of high workpiece and screw rod, moreover it is possible to reduce the frictional force between workpiece and support component, then reduce drive screw turns
Driving force.
Further, one end far from clamp assemblies is provided with handwheel, the axis and spiral shell of the handwheel on the screw rod
The axis of bar is concentric.
The setting of handwheel convenient for worker it is more effortless rotate screw rod and complete the propulsion of workpiece and rotation.
In the utility model, the threaded hole of inner thread sleeve, the pilot hole of guide cylinder, support cylinder supported hole be respective
Centre bore, but in manufacture field, centre bore refers to outer mill benchmark, in order to avoid obscuring, therefore to more than all parts
Centre bore is named, to be allowed to the centre bore being different from outer mill benchmark.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model thread grinding special fixture directly can carry out screw thread using existing plain grinding lathe
Accurate grinding processing, suitable for single component or the product of small batch thread grinding process, it is special without buying screw thread
The processing of screw thread is carried out with grinding machine, reduces the cost of small batch screwed part production, and improves economy, while also expand
The manufacture field of general-purpose grinder, makes general-purpose grinder that can not only be ground plane, groove, can also process screw thread；
The internal thread of inner thread sleeve is arranged on thread barrel, and spiral shell by the 2, the utility model thread grinding special fixture
Line cylinder is detachably connected with by screw I with guide cylinder, convenient for thread barrel is disassembled, so as to replace with the screw thread of other screw pitch
Cylinder and matching screw rod then process the screw thread of other screw pitch on workpiece, expand the applicable model of the utility model
It encloses, so as to which the screw thread of various screw pitch can be processed on workpiece by the utility model；
3rd, the utility model thread grinding special fixture, the both ends of driving lever with corresponding component dismantling connection, convenient for this
The maintenance in utility model later stage replaces with other clamp assemblies；
4th, the utility model thread grinding special fixture, the setting of support component so that workpiece in one far from clamp assemblies
End obtains the support from support component, not only reduces the stress value that clamp assemblies are born in gravity direction, also improves work
The concentricity of part and screw rod avoids on workpiece one end far from clamp assemblies from occurring to the situation of tenesmus when hanging；
5th, the utility model thread grinding special fixture, the setting of adjusting rod, convenient for adjusting bullet by rotation adjusting lever
The pressing force of spring.The pressing force of spring is bigger, can make in screw thread process, and the axis of workpiece is close proximity to the axis in precalculated position
Line improves the concentricity of workpiece screw thread；
6th, the utility model thread grinding special fixture, before carrying out screw thread process to workpiece, first in two end faces of workpiece
On process the centre bore coaxial with workpiece, when workpiece is installed then, make centre bore on two end faces of workpiece respectively respectively with
One top tip cooperation；This can not only improve the concentricity of workpiece and screw rod, moreover it is possible to reduce between workpiece and support component
Frictional force, then reduce drive screw turns driving force；
7th, the utility model thread grinding special fixture, when needing to unload workpiece, the axis that gear in grip winding by hand is suitable
Hour hands rotate, and then rack, support shaft are pushed to move to the right, to increase the spacing between support shaft and screw rod, convenient for unloading work
Part improves workpiece unloading efficiency.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the enlarged diagram in left side in Fig. 1；
Fig. 3 is the enlarged diagram on right side in Fig. 1.
Label and corresponding parts title in attached drawing：
1- screw rods, 2- inner thread sleeves, 3- thread barrels, 4- guide cylinders, 5- screws I, 6- driving levers, 7- clips, 8- screws II,
9- screws III, 10- support shafts, 11- bearing cylinders, 12- adjusting rods, 13- springs, 14- mounting holes, 15- rotating wheels, 16- is top,
17- handwheels, 18- racks, 19- gears, 20- handles, 21- through-holes, 22- grinding wheels, 23- workpiece, 24- supporting tables, 25- fastening spiral shells
It is female.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1-Figure 3, the utility model thread grinding special fixture, the clamp assemblies including cylindrical workpiece can be clamped
And screw rod 1 coaxial to one another and inner thread sleeve 2, the screw rod 1 is threadedly coupled with inner thread sleeve 2, and the one of screw rod 1
End is connect after being pierced by the centre bore of inner thread sleeve 2 with clamp assemblies.
Clamp assemblies may be used clip, anchor ear, scroll chuck, spiral clamper or adsorb iron content by electromagnet
Workpiece.
During processing component screw thread, operating procedure is as follows：
Preparation is first carried out, the utility model is mounted on the workbench of general-purpose grinder, and clamp clamp assemblies
Workpiece be located at the lower section or side of grinding wheel；
Cylindrical work is clamped with clamp assemblies again, and the axis of workpiece is made to be overlapped with the axis of screw rod 1；
Then start grinding machine, rotate grinding wheel, grinding wheel is directed at thread grinding starting point, adjusts grinding and feeding amount；
Then rotary screw 1, workpiece threaded 1 are rotated and are axially moved together, and workpiece is shifted to grinding wheel；Work as workpiece
When being contacted with grinding wheel, grinding wheel starts to be ground in workpiece surface, while with the rotation of screw rod 1, and workpiece is moved along the axial direction of screw rod 1
It is dynamic simultaneously to rotate simultaneously, so that grinding wheel is ground out screw thread in workpiece surface.The step and adjustment grinding and feeding amount repeatedly, screw thread
Reach required dimensional accuracy.
The spiral shell of the screw thread coordinated in the screw pitch of the screw thread gone out on workpiece via wheel grinding and screw rod 1 with inner thread sleeve 2
Away from consistent.
By the utility model, the processing of screw thread can directly can be carried out using existing grinding machine, suitable for single
The screw thread process of the product of component or small batch carries out the processing of screw thread without buying screw thread special purpose grinder, in reducing
The cost of small lot screwed part production, and economy is improved, while also expand the manufacture field of general-purpose grinder, make commonly to grind
Bed can not only be ground plane, groove, can also process screw thread.
Embodiment 2
The present embodiment is on the basis of embodiment 1, and the cooperation between internal threads sleeve 2 and screw rod 1 is made further
Explanation.
As shown in Figure 1, the utility model thread grinding special fixture, the inner thread sleeve 2 includes coaxial to one another
Thread barrel 3 and guide cylinder 4, the thread barrel 3 are connect by screw I 5 with guide cylinder 4, and the internal thread of inner thread sleeve 2 is located at spiral shell
On the threaded hole hole wall of line cylinder 3, screw rod 1 is threadedly coupled with thread barrel 3, and one end of screw rod 1 sequentially pass through after pass through thread barrel 3
Threaded hole and guide cylinder 4 pilot hole after connect with clamp assemblies.
The internal thread of inner thread sleeve 2 is arranged on thread barrel 3, and thread barrel 3 is dismantled by screw I 5 and guide cylinder 4
Formula connects, convenient for thread barrel 3 is disassembled, so as to replace with the thread barrel 3 of other screw pitch and matching screw rod 1,
Then the screw thread of other screw pitch is processed on workpiece, expands the scope of application of the utility model, so as to pass through the utility model
The screw thread of various screw pitch can be processed on workpiece.
Embodiment 3
The present embodiment is on the basis of embodiment 1, the first embodiment of clamp assemblies is further illustrated.
As shown in Figure 1, the utility model thread grinding special fixture, the clamp assemblies include driving lever 6 and clip 7, institute
Driving lever 6 is stated as L-shaped, one end is connect with the side wall of screw rod 1, and the other end is connect with clip 7, the holding holes of the clip 7
Axis is concentric with the axis of screw rod 1 with one heart.
Preferably, the axis of the holding holes of clip 7 and the axis of screw rod 1 are concentric.
During clamping workpiece, one end of workpiece is inserted into clip 7, then locking hoop 7, are fixed workpiece with clip 7.
Further, one end of the driving lever 6 is connect by screw II 8 with the side wall of screw rod 1, and the other end of driving lever 6 leads to
Screw III 9 is crossed to connect with clip 7.
The both ends of driving lever 6 with corresponding component dismantling connection, convenient for the utility model later stage maintenance or replace with
Other clamp assemblies.
Embodiment 4
The present embodiment is on the basis of embodiment 1, and second of embodiment of clamp assemblies is further illustrated.
As shown in Figure 1, the utility model thread grinding special fixture, when clamp assemblies use scroll chuck, screw rod
End is connect with the end far from clamping face on scroll chuck, and workpiece is fixed on the end of scroll chuck.
During using scroll chuck, because scroll chuck clamp precision is poor, the coaxiality error of workpiece is larger, is only applicable to
The screw thread of machining accuracy difference.
Embodiment 5
The present embodiment is on the basis of embodiment 1, the third embodiment of clamp assemblies is further illustrated.
As shown in Figure 1, the utility model thread grinding special fixture, when clamp assemblies use electromagnet, electromagnet post
Body is plate, and one end is connect with the end of screw rod 1, and the other end is provided with and coaxial top of screw rod 1.During clamping workpiece,
The centre bore with top cooperation is first processed on the end face of workpiece, when workpiece is installed, is first matched the centre bore of workpiece with top
It closes, is then powered to electromagnet.
Due to still using top clamping, workpiece and top contact area very little, frictional force is also small, after electromagnet is powered
It is not enough to that workpiece is driven to rotate simultaneously with screw rod 1, meanwhile, some workpiece are non-magnetic.
From the point of view of integrated embodiment 3-5, the conceptual design for the clamp assemblies that embodiment 3 uses is most preferred scheme.
Embodiment 6
The present embodiment is on the basis of embodiment 3-5, and increased support component is further illustrated.
As shown in Figure 1, the utility model thread grinding special fixture, sets in side of the clamp assemblies far from screw rod 1
The axis support component concentric with the axis of screw rod 1 is equipped with, the support component includes being sequentially connected and the support shaft of coaxial line
10 are inserted into bearing cylinder 11, one end of the support shaft 10 in the supported hole of bearing cylinder 11, far from screw rod 1 in support shaft 10
Spring 13 is provided between one end and the supported hole bottom hole for supporting cylinder 11.
Preferably, the axis of support component and the axis of screw rod 1 are concentric.
When carrying out screw thread process to workpiece, one end of workpiece is clamped component and clamps, the other end and support shaft of workpiece
End thereof contacts far from spring 13 on 10.It is promoted with the rotation of screw rod 1, workpiece is moved to spring 13, and pushes support shaft 10
It is moved, and compressed spring 13 to the cylinder bottom of bearing cylinder 11.
The setting of support component is so that workpiece obtains the support from support component in one end far from clamp assemblies, not only
The stress value that clamp assemblies are born in gravity direction is reduced, also improves the concentricity of workpiece and screw rod 1, is avoided remote on workpiece
One end from clamp assemblies occurs to the situation of tenesmus when hanging.
Embodiment 7
The present embodiment is on the basis of embodiment 6, and the adjustment of the pressing force of spring 13 is further illustrated.
As shown in Figure 1, the utility model thread grinding special fixture, further, the support component further includes axis
The concentric adjusting rod 12 with the axis of bearing cylinder 11, one end far from screw rod 1 is provided with clamp nut 25, institute on bearing cylinder 11
The axis for stating clamp nut 25 is concentric with the axis for supporting cylinder 11, and one end of the adjusting rod 12 sequentially passes through 25 He of clamp nut
It supports with the end thereof contacts far from support shaft 10 on spring 13 behind the cylinder bottom of cylinder 11, and adjusting rod 12 and 25 screw thread of clamp nut connect
It connects.
The setting of adjusting rod 12, convenient for by rotation adjusting lever 12 come the pressing force of adjustment spring 13.The compression of spring 13
Power is bigger, can make in screw thread process, and the axis of workpiece improves the coaxial of workpiece screw thread close proximity to the axis in precalculated position
Degree.
After being adjusted with batch products processing pressing force, do not need to adjust again, after the screw thread process for completing workpiece, unload workpiece
When, handle 20 only need to be pushed, top 16 close to handle 20 are retracted away from workpiece, and workpiece can unload.
Further, one end of spring 13 is provided with axis in the support shaft 10 and the axis of support shaft 10 is same
The mounting hole 14 of the heart, the spring 13 are located in mounting hole 14, after one end of the adjusting rod 12 passes through the cylinder bottom of bearing cylinder 11
It is inserted into mounting hole 14.
Further, the described one end of adjusting rod 12 far from screw rod 1 is provided with rotating wheel 15, the axis of the rotating wheel 15
Line is overlapped with the axis of adjusting rod 12.
The setting of rotating wheel 15 convenient for more effortless rotates adjusting rod 12 to realize the adjustment of 13 pressing force of spring.
Meanwhile the combination of adjusting rod 12 and rotating wheel 15 can directly use adjusting screw.
Embodiment 8
The present embodiment is on the basis of embodiment 6, and the utility model is further illustrated.
As shown in Figure 1, the utility model thread grinding special fixture, in the relative to each other of the screw rod 1 and support shaft 10
It is cone that top 16, described top 16 are both provided on face, and tip is relative to each other, and axis of its axis with screw rod 1
Line overlaps.
Before carrying out screw thread process to workpiece, the groove coaxial with workpiece is first processed on two end faces of workpiece, so
When workpiece is installed afterwards, coordinate tip of the groove on two end faces of workpiece respectively respectively with one top 16.This can not only be improved
The concentricity of workpiece and screw rod 1, moreover it is possible to reduce the frictional force between workpiece and support component, then reduce driving screw rod 1 and rotate
Driving force.
Further, one end far from clamp assemblies is provided with handwheel 17, the axis of the handwheel 17 on the screw rod 1
It is concentric with the axis of screw rod 1.
The setting of handwheel 17 convenient for worker it is more effortless rotate screw rod 1 and complete the propulsion of workpiece and rotation.
Preferably, screw rod 1 and top 16 combination can be directly threaded top using having, support shaft 10 and another
A top 16 combination can directly use the tailstock with mounting hole 14.
Embodiment 9
The present embodiment is on the basis of embodiment 6, and the unloading workpiece of the utility model is further illustrated.
As shown in Figs. 1-3, the utility model thread grinding special fixture when unloading workpiece, needs rotation adjusting lever 12
Realize the unloading of workpiece, the discharge time is long, reduces production efficiency.Therefore it in order to improve efficiency, is set in support component
Gear 19 and handle 20 complete the unloading of workpiece, and rack 18 is directly processed on the side wall of support shaft 10, rack 18
Axis is concentric with the axis of support shaft 10, the through-hole 21 of setting connection inside and outside wall, the gear 19 on the side wall of bearing cylinder 11
In through-hole 21, and gear 19 can be rotated around the axis of oneself, and gear 19 is engaged with rack 18, one end of the handle 20
It is connect with gear 19, swing handle 20 can rotate gear 19, and then band carry-over bar 18 moves, while move support shaft 10.
As shown in figure 3, when needing to unload workpiece, the axis both clockwise for holding handle 20 around gear 19 rotates, then
Rack 18, support shaft 10 is pushed to move to the right, to increase the spacing between support shaft 10 and screw rod 1, convenient for unloading workpiece, is carried
High workpiece unloads efficiency.
Embodiment 10
The present embodiment is on the basis of embodiment 6, and the support of the utility model is further illustrated.
Supporting table 24 is respectively provided with below inner thread sleeve 2 and support component.
Embodiment 11
The present embodiment is on the basis of embodiment 1-10, and the implementation steps of the overall technical architecture of the utility model are made
Go out to illustrate.
During processing component screw thread, operating procedure is as follows：
Step 1：Preparation is first carried out, the utility model is mounted on the workbench of general-purpose grinder, and make clamping group
The workpiece of part clamping is located at the lower section or side of grinding wheel；
Step 2：The distance of the adjustment left and right sides top 16, adjusts 13 pressing force of spring, adjusts operating position, ensures
Workpiece rotary shaft is to mobile so that the range that ground full stand of thread can be touched in grinding wheel；
Rotary screw 1 can adjust the position in left side top 16, and rotation adjusting lever 12 can adjust the pressing force of spring 13；
Step 3：Handle 20 is pushed clockwise, makes right side top 16 that workpiece then are placed on top far from left side top 16
Between point 16, and make top 16 respectively to coordinate respectively with a centre bore, and clamped cylindrical work with clamp assemblies, make work
The axis of part is overlapped with the axis of screw rod 1；
Step 4：Then start grinding machine, rotate grinding wheel, by grinding wheel be aligned thread grinding starting point, adjustment be ground into
To amount；
Step 5：Rotary screw 1, workpiece threaded 1 are rotated and are axially moved together, and workpiece is shifted to grinding wheel；When
When workpiece is contacted with grinding wheel, grinding wheel starts to be ground in workpiece surface, while with the rotation of screw rod 1, workpiece along screw rod 1 axis
It is simultaneously rotated simultaneously to mobile, so that grinding wheel is ground out screw thread in workpiece surface；
Step 6：Step 5 step is repeated and adjusts grinding and feeding amount, screw thread can reach required size essence
Degree.
From the foregoing, it will be observed that this fixture operation is simple, high precision machining and the screw thread process it is suitable for small batch.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. thread grinding special fixture, it is characterised in that：Including the clamp assemblies of cylindrical workpiece and coaxial to one another can be clamped
Screw rod (1) and inner thread sleeve (2), the screw rod (1) is threadedly coupled with inner thread sleeve (2), and one end of screw rod (1) is worn
It is connect after going out the threaded hole of inner thread sleeve (2) with clamp assemblies.
2. thread grinding special fixture according to claim 1, it is characterised in that：The inner thread sleeve (2) is including that
The thread barrel (3) of this coaxial line and guide cylinder (4), the thread barrel (3) are connect by screw I (5) with guide cylinder (4), interior spiral shell
The internal thread of line sleeve (2) is located on the hole wall of thread barrel (3), and screw rod (1) is threadedly coupled with thread barrel (3), and screw rod (1)
One end is connect after the threaded hole of thread barrel (3) and the pilot hole of guide cylinder (4) are passed through after sequentially passing through with clamp assemblies.
3. thread grinding special fixture according to claim 1, it is characterised in that：The clamp assemblies include driving lever (6)
With clip (7), the driving lever (6) is L-shaped, and one end is connect with the side wall of screw rod (1), and the other end is connect with clip (7), institute
The axis for stating the axis and screw rod (1) of the holding holes of clip (7) is concentric.
4. thread grinding special fixture according to claim 3, it is characterised in that：One end of the driving lever (6) passes through spiral shell
II (8) of nail are connect with the side wall of screw rod (1), and the other end of driving lever (6) is connect by screw III (9) with clip (7).
5. the thread grinding special fixture according to any one of claim 1-4, it is characterised in that：In the clamp assemblies
Side far from screw rod (1) is provided with the axis support component concentric with the axis of screw rod (1), and the support component is included successively
It connects and the support of bearing cylinder (11) is inserted into the support shaft (10) of coaxial line and bearing cylinder (11), one end of the support shaft (10)
Kong Zhong is provided with spring in support shaft (10) between one end of separate screw rod (1) and the supported hole bottom hole of bearing cylinder (11)
(13)。
6. thread grinding special fixture according to claim 5, it is characterised in that：The support component further include axis with
The concentric adjusting rod (12) of the axis of cylinder (11) is supported, one end far from screw rod (1) is provided with fastening spiral shell on bearing cylinder (11)
Female (25), the axis of the axis and bearing cylinder (11) of the clamp nut (25) is concentric, and one end of the adjusting rod (12) is successively
Across clamp nut (25) and bearing cylinder (11) cylinder bottom after on spring (13) far from support shaft (10) end thereof contacts, and adjust
Pole (12) is threadedly coupled with clamp nut (25).
7. thread grinding special fixture according to claim 6, it is characterised in that：Short round is leaned in the support shaft (10)
One end of spring (13) is provided with the axis mounting hole (14) concentric with the axis of support shaft (10), and the spring (13) is positioned at installation
In hole (14), one end of the adjusting rod (12) is inserted into after passing through the cylinder bottom of bearing cylinder (11) in mounting hole (14).
8. the thread grinding special fixture described according to claim 6 or 7, it is characterised in that：It is separate in the adjusting rod (12)
One end of screw rod (1) is provided with rotating wheel (15), and the axis of the rotating wheel (15) is overlapped with the axis of adjusting rod (12).
9. thread grinding special fixture according to claim 5, it is characterised in that：In the screw rod (1) and support shaft
(10) it is both provided on face relative to each other top (16), top (16) are cone, and tip is relative to each other, and its
Axis of the axis with screw rod (1) overlaps.
10. thread grinding special fixture according to claim 9, it is characterised in that：Far from clamping on the screw rod (1)
One end of component is provided with handwheel (17), and the axis of the axis and screw rod (1) of the handwheel (17) is concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721716972.6U CN207508452U (en) | 2017-12-11 | 2017-12-11 | Thread grinding special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721716972.6U CN207508452U (en) | 2017-12-11 | 2017-12-11 | Thread grinding special fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207508452U true CN207508452U (en) | 2018-06-19 |
Family
ID=62544015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721716972.6U Expired - Fee Related CN207508452U (en) | 2017-12-11 | 2017-12-11 | Thread grinding special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207508452U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746873A (en) * | 2018-08-06 | 2018-11-06 | 合肥银泉铸造有限责任公司 | A kind of gear grinding device |
| CN110722373A (en) * | 2019-10-22 | 2020-01-24 | 重庆工具厂有限责任公司 | Tool and method for machining hobbing cutter chip pocket |
| CN112108726A (en) * | 2020-09-14 | 2020-12-22 | 四川川昊精工机械有限公司 | Efficient thread machining method |
| CN114473690A (en) * | 2022-01-06 | 2022-05-13 | 北京瑞汀斯达机械配件有限公司 | Countersunk milling groove screw deburring device |
| CN114483747A (en) * | 2022-01-19 | 2022-05-13 | 慈溪市振成机械有限公司 | Anti-loose screw with special structure and machining process thereof |
-
2017
- 2017-12-11 CN CN201721716972.6U patent/CN207508452U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746873A (en) * | 2018-08-06 | 2018-11-06 | 合肥银泉铸造有限责任公司 | A kind of gear grinding device |
| CN110722373A (en) * | 2019-10-22 | 2020-01-24 | 重庆工具厂有限责任公司 | Tool and method for machining hobbing cutter chip pocket |
| CN112108726A (en) * | 2020-09-14 | 2020-12-22 | 四川川昊精工机械有限公司 | Efficient thread machining method |
| CN114473690A (en) * | 2022-01-06 | 2022-05-13 | 北京瑞汀斯达机械配件有限公司 | Countersunk milling groove screw deburring device |
| CN114483747A (en) * | 2022-01-19 | 2022-05-13 | 慈溪市振成机械有限公司 | Anti-loose screw with special structure and machining process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207508452U (en) | Thread grinding special fixture | |
| CN104175144B (en) | Axle type gear fixture and axle type gear machining tool | |
| CN204135755U (en) | A kind of magic chuck for compressor disc tongue-and-groove angle location | |
| CN106141706A (en) | A kind of elongated irregular pipe fitting processing clamp device and processing method thereof | |
| CN107081441A (en) | A kind of sleeve type work piece inner surface centering and clamping apparatus | |
| CN108746694A (en) | Workpiece boring Fast clamping device | |
| CN203380388U (en) | Adjustable expanding mandrel outer circle machining fixture | |
| CN202878320U (en) | Tail end fixture for robot | |
| CN204135772U (en) | Synchro converter ring tooth holder | |
| CN204603912U (en) | A kind of lathe spindle afterbody positioner | |
| CN207057654U (en) | A kind of sleeve type work piece inner surface centering and clamping apparatus | |
| CN216297815U (en) | Tower-shaped spring automatic feeding device | |
| CN104439550A (en) | Clamping device for gear hobbing | |
| CN204954619U (en) | Bearing inner race cylindrical grinding fixture device | |
| CN104669080B (en) | Centerless fixture for cylindrical grinding machine | |
| CN204431041U (en) | The positioning core axle of a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality | |
| CN102825511B (en) | Tools for inner bores of workpieces gas suspension locating and clamping apparatus | |
| CN203210153U (en) | Live center sharpening device | |
| CN104259940A (en) | Mandrel device for grinding positioning sleeve | |
| CN204603320U (en) | A kind of lathe spindle tapering positioner | |
| CN207629655U (en) | A kind of fixture for processing long tooth wheel shaft | |
| CN206047659U (en) | Crankshaft end-face drilling connecting screw hole accessory | |
| CN205465722U (en) | Axle type part drift formula axial positioning anchor clamps | |
| CN203459934U (en) | Jig for machining outer diameters of crankshafts | |
| CN203622097U (en) | Device integrating clamping positioning and indexing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20201211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |