CN109093418A - Clamping tool for machine work and its application method - Google Patents
Clamping tool for machine work and its application method Download PDFInfo
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- CN109093418A CN109093418A CN201710476129.3A CN201710476129A CN109093418A CN 109093418 A CN109093418 A CN 109093418A CN 201710476129 A CN201710476129 A CN 201710476129A CN 109093418 A CN109093418 A CN 109093418A
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- Prior art keywords
- hole
- pedestal
- cover board
- clamping tool
- fixation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
It includes: pedestal that the present invention, which provides a kind of clamping tool for machine work and its application method, clamping tool for machine work, at least one first fixation hole is provided in the pedestal, first fixation hole at least runs through the base portion thickness；Cover board is arranged in parallel with the pedestal, and the cover board is round table-like or prism-frustum-shaped, and wherein the small end face of area is provided at least one second fixation hole for running through the cover board towards the pedestal in the cover board；At least one fixation member, for connecting second fixation hole and the first fixation hole.When being clamped using clamping tool for machine work of the present invention to annular work piece, it can be avoided and the problem of annular work piece stress occur, reduce the degree of deformation of the annular work piece, improve the concentricity of the pedestal, annular work piece and cover board, and the annular work piece side wall is avoided machined trace occur.
Description
Technical field
The present invention relates to field of semiconductor manufacture more particularly to a kind of clamping tool for machine work and its application methods.
Background technique
Sputtering technology is a kind of plated film mode of physical vapour deposition (PVD) (Physical Vapor Deposition, PVD),
Commonly used in film used in deposited semiconductor structure.Sputtering technology is exactly to utilize accelerated charged particle bombardment target
Base, charged particle and the material atom on target blankss surface collide, to make the material atom of target blankss overflow from surface, thus real
The film deposition of present substrate surface.According to the difference that application environment and sputtering require, the shape of target blankss is also different, such as round
Shape target blankss, rectangle target blankss, the special-shaped target blankss of cyclic annular target blankss or irregular shape.
Currently, the size and surface roughness in order to make target blankss meet the requirement of client, machine is carried out to target blankss using lathe
Tool processing, and fixture is used to clamp with the fixation target blankss target blankss.
But when clamping using fixture to cyclic annular target blankss, the processing quality of cyclic annular target blankss is easy to cause to decline.
Summary of the invention
Problems solved by the invention is to provide a kind of clamping tool for machine work and its application method, improves the processing of cyclic annular target blankss
Quality.
To solve the above problems, the present invention provides a kind of clamping tool for machine work, comprising: pedestal is provided in the pedestal
At least one first fixation hole, first fixation hole at least run through the segment thickness of the pedestal；Cover board is flat with the pedestal
Row setting, the cover board are round table-like or prism-frustum-shaped, and wherein the small end face of area is provided with towards the pedestal in the cover board
At least one runs through the second fixation hole of the cover board；At least one fixation member, for connecting second fixation hole and
One fixation hole.
Optionally, the shape of the pedestal is cylindrical body, cuboid, square, rotary table or terrace with edge.
Optionally, it is arranged in end face of the pedestal towards the cover board fluted.
Optionally, first fixation hole at least runs through 2/3 thickness of the pedestal.
Optionally, first fixation hole runs through the pedestal.
Optionally, first fixation hole and the second fixation hole are threaded hole, and the fixation member is screw, or packet
Include screw and nut.
Optionally, first fixation hole and the second fixation hole are through-hole, and the fixation member includes screw and nut.
Optionally, first fixation hole and second fixation hole correspond.
Optionally, the quantity of first fixation hole is at least three, and first fixation hole is with the cross of the pedestal
Kernel of section is the center of circle, along the circumferential direction uniformly arrangement；The quantity of second fixation hole is at least three, and described second is solid
Hole is determined using the cross-section center of the cover board as the center of circle, is along the circumferential direction uniformly arranged.
Optionally, at least three first positioning holes are additionally provided in the pedestal, the first positioning hole at least runs through institute
State the segment thickness of pedestal, and the first positioning hole is using the cross-section center of the pedestal as the center of circle, along the circumferential direction uniformly
Arrangement；At least three second location holes for running through the cover board are additionally provided in the cover board, the second location hole is with described
The cross-section center of cover board is the center of circle, along the circumferential direction uniformly arrangement.
Optionally, the first positioning hole and the second location hole correspond.
Optionally, along the circumferential direction uniform intervals are arranged for the first positioning hole and first fixation hole；Described second
Along the circumferential direction uniform intervals are arranged for location hole and second fixation hole.
Optionally, the clamping tool for machine work further include: at least three positioning pins, for connect the second location hole and
First positioning hole.
Optionally, the first positioning hole at least runs through 2/3 thickness of the pedestal；Alternatively, the first positioning hole is passed through
Wear the pedestal.
Optionally, the cover central hole through the cover board is additionally provided in the cover board.
Correspondingly, the present invention also provides a kind of application methods of clamping tool for machine work, comprising: provide ring with a central hole
Shape workpiece；Clamping tool for machine work of the invention is provided, in the cover board shape of the clamping tool for machine work and the annular work piece
Heart hole shape matches；The end face that the annular work piece is placed between the pedestal and cover board, and keeps central hole size small
To the pedestal；It is embedded in the cover board in the centre bore；After being embedded in the cover board in the centre bore, make described
Fixation member connects second fixation hole and the first fixation hole, realizes being fixedly connected for the pedestal and cover board.
Optionally, the annular work piece is cyclic annular target blankss.
Optionally, after realizing being fixedly connected of the pedestal and cover board, end face and institute of the pedestal towards the cover board
It states annular work piece and realizes face contact.
Optionally, the shape of the workpiece is cylindrical body with a central hole；The shape of the pedestal is cylindrical body, described
The shape of cover board is rotary table.
Optionally, the maximum gauge of the centre bore is first diameter, and the minimum diameter of the centre bore is second diameter；
The difference of end face diameter of the cover board towards the pedestal and the second diameter is -0.1 millimeter to 0.1 millimeter；The lid
End face diameter from backboard to the pedestal and the first diameter difference be -0.1 millimeter to 0 millimeter.
Optionally, the cross-sectional diameter of the pedestal is less than the second diameter.
Optionally, first fixation hole and the second fixation hole are threaded hole, using screw as the fixation member,
Realize being fixedly connected for the pedestal and cover board；Alternatively, realizing the pedestal as the fixation member using screw and nut
With being fixedly connected for cover board.
Optionally, first fixation hole and the second fixation hole are through-hole, using screw and nut as the fixation
Component realizes being fixedly connected for the pedestal and cover board.
Optionally, at least three first positioning holes are additionally provided in the pedestal, the first positioning hole at least runs through institute
State the segment thickness of pedestal, and the first positioning hole is using the cross-section center of the pedestal as the center of circle, along the circumferential direction uniformly
Arrangement；At least three second location holes for running through the cover board are additionally provided in the cover board, the second location hole is with described
The cross-section center of cover board is the center of circle, along the circumferential direction uniformly arrangement；The clamping tool for machine work further include: at least three positioning
Pin, for connecting the second location hole and first positioning hole；After being embedded in the cover board in the centre bore, make described solid
Before determining component connection second fixation hole and the first fixation hole, further comprising the steps of: makes second described in the positioning pin connection
Location hole and first positioning hole.
Optionally, after so that the fixation member is connected second fixation hole and the first fixation hole, taking-up is further comprised the steps of:
The positioning pin.
Compared with prior art, technical solution of the present invention has the advantage that
The present invention provides a kind of clamping tool for machine work, including pedestal, cover board and at least one fixation member, wherein described
At least one first fixation hole is provided in pedestal, first fixation hole at least runs through the segment thickness of the pedestal, described
Cover board is arranged in parallel with the pedestal, and the cover board is round table-like or prism-frustum-shaped, and the small end face of the cover area is towards described
Pedestal is provided at least one second fixation hole for running through the cover board in the cover board, and the fixation member is for connecting institute
State the second fixation hole and the first fixation hole；Annular work piece with a central hole is clamped using the clamping tool for machine work
When, since the shape of the cover board and the center hole shape of the annular work piece match, the cover board can be made to be embedded in
In to the centre bore, to make the side wall of the cover board and the centre bore side wall of the workpiece realize face contact, and by solid
Determine component and connect second fixation hole and the first fixation hole, to realize being fixedly connected for the pedestal and cover board, and then realizes
Clamping to the workpiece；Compared to the scheme that the side wall to the annular work piece is laterally clamped, the present invention passes through the machine
The problem of tool clamp for machining can clamp the annular work piece indirectly, avoid the occurrence of the annular work piece stress, so as to subtract
The degree of deformation of the small annular work piece improves concentricity, additionally may be implemented to add a step of the side wall of the annular work piece
Work avoids the side wall of the annular work piece from machined trace occur to reduce the turn-over number of the annular work piece, to improve institute
State the processing quality of annular work piece.
Detailed description of the invention
Fig. 1 is a kind of top view of clamping tool for machine work；
Fig. 2 is the top view of a clamping piece in fixture shown in Fig. 1；
Fig. 3 is the perspective view of clamping tool for machine work of the present invention；
Fig. 4 is the corresponding side view of pedestal in fixture shown in Fig. 3；
Fig. 5 is the corresponding top view of pedestal in fixture shown in Fig. 3；
Fig. 6 is the corresponding side view of fixture cover plate shown in Fig. 3；
Fig. 7 is the corresponding top view of fixture cover plate shown in Fig. 3；
Fig. 8 to Figure 13 is the corresponding structural schematic diagram of each step in the application method of clamping tool for machine work of the present invention.
Specific embodiment
It can be seen from background technology that be easy to cause the processing of cyclic annular target blankss when clamping using fixture to cyclic annular target blankss
Quality decline.The reason of analyzing the decline of its processing quality now in conjunction with a kind of clamping tool for machine work and its application method.
It is a kind of top view of clamping tool for machine work in conjunction with reference Fig. 1 and Fig. 2, Fig. 1, Fig. 2 is one in fixture shown in Fig. 1
The top view of clamping piece.
Currently used fixture 100 is mutually butted by three clamping pieces 150 and is constituted, and the clamping piece 150 is sector, fan
Shape angle is 120 °, and the fixture 100 constituted has center groove 155.
When being clamped to workpiece, the workpiece is placed in the center groove 155, the center groove is passed through
155 side wall carries out lateral clamping to the side wall of the workpiece.
Wherein, when clamping to cyclic annular target blankss, the partial sidewall of the ring-type target blankss is by the center groove 155
Side wall is covered, it is therefore desirable to turn-over clamping and turning repeatedly is carried out to the cyclic annular target blankss, to complete to the cyclic annular target blankss
Side wall turnery processing, but process risk is easy to cause to increase, such as the cyclic annular target blankss size is easy less than normal, and is also easy to
There is machined trace in the cyclic annular target blankss side wall；In addition, to the mode that the cyclic annular target blankss side wall is clamped, the fixture
100 and the cyclic annular target blankss concentricity it is poor, the ring-type target blankss are easy to happen local deformation, and the wall of the cyclic annular target blankss
Thickness gets over hour, and problem on deformation is more serious.
Especially when the vertical section shape of the centre bore of the cyclic annular target blankss is trapezoidal, i.e., the side wall of the described centre bore is
When inclined-plane, at the thinner position of wall thickness of the ring-type target blankss, the above problem is particularly evident.
In order to solve the technical problem, the present invention provides a kind of clamping tool for machine work, and the clamping tool for machine work includes
Pedestal, cover board and at least one fixation member, wherein it is provided at least one first fixation hole in the pedestal, described first
Fixation hole at least runs through the segment thickness of the pedestal, and the cover board is arranged in parallel with the pedestal, and the cover board is round table-like
Or prism-frustum-shaped, the small end face of the cover area are provided at least one through the lid towards the pedestal in the cover board
Second fixation hole of plate, the fixation member is for connecting second fixation hole and the first fixation hole；Added using the machinery
When clamping apparatus clamps annular work piece with a central hole, due to the shape of the cover board and the center of the annular work piece
Hole shape matches, therefore the cover board can be made to be embedded in the centre bore, the side wall of the cover board and the cyclic annular work
The centre bore side wall of part realizes face contact, to realize the clamping to the annular work piece；Compared to the side to the annular work piece
The scheme that wall is laterally clamped, the present invention can clamp the annular work piece by the fixture indirectly, avoid the occurrence of described
The problem of annular work piece stress, additionally may be implemented so as to reduce the degree of deformation of the annular work piece, improve concentricity
Step processing to the side wall of the annular work piece, to reduce the turn-over number of the annular work piece, avoids the annular work piece
There is machined trace in side wall, to improve the processing quality of the annular work piece.
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
It is the perspective view of clamping tool for machine work of the present invention in conjunction with reference Fig. 3 to Fig. 7, Fig. 3, Fig. 4 is fixture indsole shown in Fig. 3
The corresponding side view of seat, Fig. 5 are the corresponding top views of pedestal in fixture shown in Fig. 3, and Fig. 6 is that fixture cover plate shown in Fig. 3 is corresponding
Side view, Fig. 7 is the corresponding top view of fixture cover plate shown in Fig. 3.
The clamping tool for machine work 200 includes: pedestal 220 (as shown in Figure 3), is provided at least one in the pedestal 220
A first fixation hole 221 (as shown in Figure 3), first fixation hole 221 at least run through the segment thickness of the pedestal 220；Lid
Plate 210 (as shown in Figure 3) is arranged in parallel with the pedestal 220, and the cover board 210 is round table-like or prism-frustum-shaped, and wherein area is small
End face towards the pedestal 220, at least one second fixation hole for running through the cover board 210 is provided in the cover board 210
211 (as shown in Figure 3)；At least one fixation member 300 (as shown in Figure 3), for connecting second fixation hole 211 and first
Fixation hole 221.
In the present embodiment, the clamping tool for machine work is used in mechanical processing process to annular work piece with a central hole
It is clamped.
In conjunction with reference Fig. 3 to Fig. 5, in the present embodiment, the pedestal 220 is provided in the end face towards the cover board 210
Groove 295 (as shown in Figure 3).
During clamping to annular work piece, the pedestal 220 and the cover board 210 realize face contact；Pass through
The groove 295 enables to the part cover board 210 to be embedded in the groove 295, to improve 220 He of pedestal
Fixing intensity between the cover board 210.
Correspondingly, the shape of the groove 295 and end face and the lid of the cover board 210 towards the pedestal 220
The shape that the partial sidewall of plate 210 is surrounded matches.For example, when end face of the cover board 210 towards the pedestal 220 is circle
Shape, when the side wall of the cover board 210 is inclined-plane, correspondingly, the bottom surface of the groove 295 is circle, the side wall of the groove 295
For inclined-plane, so that the cover board 210 be enable to be embedded in the groove 295.
In other embodiments, the groove can also be not provided in end face of the pedestal towards the cover board.
The shape of the pedestal 220 can be cylindrical body, cuboid, square or rotary table or terrace with edge.
The shape of the pedestal 220 is depending on the shape of clamped annular work piece.In the present embodiment, the pedestal
220 shape is cylindrical body.
Moreover, the clamping tool for machine work 200 is clamping the annular work piece when being machined to annular work piece
While with the annular work piece rotating Vortex, the shape of the pedestal 220 is cylindrical body, additionally it is possible to avoid producing rotates effe
Safety in raw adverse effect and raising rotary course.
It should be noted that in order to increase the mechanical strength of the pedestal 220, the material of the pedestal 220 be metal or
Alloy.In the present embodiment, the material of the pedestal 220 is 6061 aluminium alloys.
Main alloy element in 6061 aluminium alloys is magnesium and silicon, and 6061 aluminium alloys have moderate strength, good anti-corruption
Corrosion, weldability, and oxidation effectiveness is preferable, therefore advantageously reduces the technology difficulty for being processed into the pedestal 220, and mention
Stability of material of the high pedestal 220 in clamping process.
At least one first fixation hole 221 is provided in the pedestal 220, first fixation hole 221 at least runs through institute
State 220 segment thickness of pedestal.
First fixation hole 221 matches with the fixation member 300；When right using the clamping tool for machine work 200
When annular work piece is clamped, being fixedly connected for the pedestal 220 and cover board 210 can be realized using the fixation member 300,
To realize the clamping tool for machine work 200 to the clamping action of the workpiece.
In the present embodiment, first fixation hole 221 runs through the full depth of the pedestal 220.In other embodiments,
First fixation hole may also extend through the segment thickness of the pedestal 220.
It should be noted that when first fixation hole 221 runs through the segment thickness of the pedestal 220, described first
Fixation hole 221 at least runs through 2/3 thickness of the pedestal 220, i.e., the depth of described first fixation hole 221 at least accounts for the pedestal
The 2/3 of 220 thickness, thus guarantee the fixation member 300 to the pedestal 220 and cover board 210 to be fixedly connected with effect preferable.
In the present embodiment, first fixation hole 221 is threaded hole, i.e., the side wall of described first fixation hole 221 has spiral shell
Line.
In other embodiments, first fixation hole can also be through-hole, i.e., the side wall of described first fixation hole does not have
There is screw thread.And when first fixation hole is through-hole, first fixation hole runs through the full depth of the pedestal, to adopt
Being fixedly connected for the pedestal and cover board is realized with the fixation member.
In order to which during being fixedly connected with the pedestal 220 and cover board 210 using the fixation member 300, raising makes
210 uniform force degree of the pedestal 220 and cover board, the concentricity for improving the pedestal 220 and cover board 210, described first is fixed
The quantity in hole 221 is at least three, and first fixation hole 221 is using the cross-section center of the pedestal 220 as the center of circle, along circle
Circumferential direction is uniformly arranged.
In the present embodiment, the quantity of first fixation hole 221 is three.Due to three it is along the circumferential direction evenly arranged
First fixation hole 221 can determine the center of circle, therefore while improving the pedestal 220 and 210 concentricity of cover board, Ke Yijian
Change the procedure of processing that the pedestal 220 is made, avoids the waste of first fixation hole 221.
In conjunction with reference Fig. 3, Fig. 6 and Fig. 7, the cover board 210 is used for and the pedestal 220 cooperation clamping cyclic annular work
Part.
Specifically, when being clamped using the clamping tool for machine work 200 to annular work piece, the annular work piece is placed in
Between the pedestal 220 and cover board 210, by being embedded in the cover board 210 in the centre bore of the annular work piece, to make
The side wall of the cover board 210 and the centre bore side wall of the annular work piece realize face contact, that is to say, that make the cover board 210
It resists the centre bore side wall of the annular work piece, and by making being fixedly connected for the pedestal 220 and cover board 210, and then realizes
Clamping of the clamping tool for machine work 200 to the annular work piece, and the problem of avoid the occurrence of the annular work piece stress, reduce
The degree of deformation of the annular work piece.
Correspondingly, the pattern of the cover board 210 is identical as the centre bore pattern of clamped annular work piece.The present embodiment
In, the cover board 210 is round table-like or prism-frustum-shaped.
Wherein, in the cover board 210, the small end face of area is towards the pedestal 220, so as to resist the ring-type
While the centre bore side wall of workpiece, play the role of clamping.
Correspondingly, the diameter D2 (as shown in Figure 6) of end face of the cover board 210 towards the pedestal 220 (as shown in Figure 3)
The diameter D1 (as shown in Figure 6) of end face less than the cover board 210 backwards to the pedestal 220.
It should be noted that in order to increase the mechanical strength of the cover board 210, the material of the cover board 210 be metal or
Alloy.In the present embodiment, the material of the cover board 210 is 6061 aluminium alloys.
At least one second fixation hole 211 (as shown in Figure 3) for running through the cover board 210 is provided in the cover board 210.
Second fixation hole 211 matches with the fixation member 300 (as shown in Figure 3)；Add when using the machinery
When clamping apparatus 200 clamps annular work piece, the pedestal 220 and cover board 210 can be realized using the fixation member 300
Be fixedly connected, to realize clamping of the clamping tool for machine work 200 to the annular work piece.
Correspondingly, second fixation hole 211 and first fixation hole 221 (as shown in Figure 3) are one by one in the present embodiment
It is corresponding.I.e. described second fixation hole 211 is identical as the quantity of first fixation hole 221, aperture and pattern, and described second is solid
The position for determining hole 211 and first fixation hole 221 corresponds, so that the fixation member 300 be enable to connect described the
Two fixation holes 211 and the first fixation hole 221.
Therefore, the quantity of second fixation hole 211 is at least three, and second fixation hole 211 is with the cover board
210 cross-section center is the center of circle, along the circumferential direction uniformly arrangement.
In the present embodiment, the quantity of first fixation hole 221 is three, and the quantity of second fixation hole 211 is corresponding
It is three.
In the present embodiment, first fixation hole 221 is threaded hole, and 211 phase of the second fixation hole should be threaded hole, i.e.,
The side wall of second fixation hole 211 has screw thread.In other embodiments, described when first fixation hole is through-hole
Second fixation hole mutually should be through-hole, i.e., the side wall of described second fixation hole does not have screw thread.
In conjunction with reference Fig. 3, the fixation member 300 is for connecting second fixation hole 211 (as shown in Figure 3) and first
Fixation hole 221 (as shown in Figure 3), to realize the fixation of the pedestal 220 (as shown in Figure 3) and cover board 210 (as shown in Figure 3)
Connection.
In the present embodiment, first fixation hole 221 and the second fixation hole 211 are threaded hole, the fixation member 300
It mutually should be screw, alternatively, the fixation member 300 accordingly includes screw and nut.
In other embodiments, when first fixation hole and the second fixation hole are through-hole, the fixation member phase
It should include screw and nut, and described screw one end protrudes from the pedestal backwards to the end face of the cover board, thus with the spiral shell
Cap matches, and is fixedly connected with the pedestal and cover board.
The quantity of the fixation member 300 is identical as the quantity of second fixation hole 211 or the first fixation hole 221.This
In embodiment, the quantity of first fixation hole 221 and the first fixation hole 221 is three, the quantity of the fixation member 300
It mutually should be three.
In the present embodiment, first fixation hole 221 is circumferentially square using the cross-section center of the pedestal 220 as the center of circle
To uniform arrangement, second fixation hole 211 is corresponded with first fixation hole 221, therefore the fixation member 300 exists
During tightening, the pedestal 220 and the concentricity with higher of cover board 210 can be made.
In conjunction with reference Fig. 3, Fig. 5 and Fig. 7, it should be noted that in the present embodiment, be additionally provided in the pedestal 220 to
Few three first positioning holes 222 (as shown in Figure 3), the first positioning hole 222 are at least thick through the part of the pedestal 220
Degree, and the first positioning hole 222 is along the circumferential direction uniformly arranged using the cross-section center of the pedestal 220 as the center of circle；It is described
At least three second location holes 212 (as shown in Figure 3) for running through the cover board 210 are additionally provided in cover board 210, described second is fixed
Position hole 212 is using the cross-section center of the cover board 210 as the center of circle, along the circumferential direction uniformly arrangement.
The first positioning hole 222 and second location hole 212 are used to connect described second using the fixation member 300
Before fixation hole 211 and the first fixation hole 221, center location is determined, to make the concentricity of the pedestal 220 and cover board 210
It is improved.In the present embodiment, the first positioning hole 222 and second location hole 212 are corresponded.
In the present embodiment, the first positioning hole 222 with first fixation hole 221 along the circumferential direction arrange by uniform intervals
Cloth, that is to say, that the first positioning hole 222 is located on concentric circles with first fixation hole 22.Determined by making described first
Along the circumferential direction uniform intervals are arranged for position hole 222 and first fixation hole 221, are conducive to improve the pedestal 220 and cover board
210 concentricity.
In other embodiments, the first positioning hole can also diametrically arrange with first fixation hole, and
It is corresponded with first fixation hole, that is to say, that a first positioning hole and first fixed hole position are in same diameter
On.
Therefore, in the present embodiment, when the quantity of first fixation hole 221 is three, the first positioning hole 222
Quantity mutually should be three.
Correspondingly, the second location hole 212 and second fixation hole 211 are along the circumferential direction uniform in the present embodiment
It is intervally arranged, that is to say, that the second location hole 212 is located on concentric circles with second fixation hole 211.
In other embodiments, the second location hole can also diametrically arrange with second fixation hole, and
It is corresponded with second fixation hole, that is to say, that a second location hole and second fixed hole position are in same diameter
On.
Therefore, in the present embodiment, when the quantity of second fixation hole 211 is three, the second location hole 212
Quantity mutually should be three.
Correspondingly, the clamping tool for machine work 200 further include: at least three positioning pin (not shown), it is described for connecting
Second location hole 212 and first positioning hole 222.
In the present embodiment, the quantity of the second location hole 212 and first positioning hole 222 is three, then the positioning
The quantity of pin is three.
In the present embodiment, the first positioning hole 222 runs through the full depth of the pedestal 220.In other implementations, institute
Stating first positioning hole may also extend through the segment thickness of the pedestal.
It should be noted that when the first positioning hole 222 runs through the segment thickness of the pedestal 220, described first
Location hole 222 at least runs through 2/3 thickness of the pedestal 220, i.e., the depth of the described first positioning hole 222 at least accounts for the pedestal
The 2/3 of 220 thickness, thus using second location hole 212 described in the positioning pin connection and first positioning hole 222 to determine circle
When heart position, it can guarantee crystallized ability of the positioning pin in the first positioning hole 222, so that it is inclined to prevent the center of circle
From the problem of.
In the present embodiment, the first positioning hole 222 is through-hole, i.e., the side wall of the described first positioning hole 222 does not have spiral shell
Line, 212 phase of second location hole should be through-hole, i.e., the side wall of the described second location hole 212 does not have screw thread.
In the present embodiment, 255 (such as Fig. 3 of cover central hole through the cover board 210 is additionally provided in the cover board 210
It is shown).By the cover central hole 255, convenient for hand-held and with the pedestal 220 the handling of the cover board 210.
Correspondingly, the present invention also provides a kind of application methods of aforementioned mechanical clamp for machining.
It with continued reference to Fig. 3 to Fig. 7, and combines and refers to Fig. 8 to Figure 13, Fig. 8 to Figure 13 shows present invention machining folder
The corresponding structural schematic diagram of each step in the application method of tool.
Specific embodiments of the present invention are described further below in conjunction with attached drawing.
It is the perspective view of annular work piece to be held with reference to Fig. 8 and Fig. 9, Fig. 8, Fig. 9 is workpiece shown in Fig. 8 along AA1 secant
The schematic diagram of the section structure provides the annular work piece 500 with centre bore 550 (as shown in Figure 8).
In the present embodiment, the annular work piece 500 is cyclic annular target blankss.
The shape of the annular work piece 500 can require cylindrical body annular in shape, cyclic annular rectangular according to application environment and sputtering
The annular solid of body or any other regular shape or irregular shape.In the present embodiment, the shape of the annular work piece 500 is ring
Shape cylindrical body, i.e., the described annular work piece 500 are the cylindrical body with centre bore 550.
In the present embodiment, the vertical section shape of the centre bore 550 is trapezoidal, and the cross section shape of the centre bore 550
Shape is circle.In another embodiment, the vertical section shape of the centre bore is trapezoidal, and the cross-sectional shape of the centre bore
It is rectangular.
So in the present embodiment, the maximum gauge of the centre bore 550 is first diameter D4 (as shown in Figure 9), it is described in
The minimum diameter in heart hole 550 is second diameter D3 (as shown in Figure 9).
In the present embodiment, the annular work piece 500 is the cylindrical body with centre bore 550, and the second diameter D3 is less than
The cross-sectional diameter of the annular work piece 500, the first diameter D4 are equal to the cross-sectional diameter of the annular work piece 500.Phase
Answer, the annular work piece 500 have workpiece end face 530 (as shown in Figure 9) and workpiece side wall 520 (as shown in Figure 9), it is described in
The side wall 510 in heart hole 550 connection (as shown in Figure 9) workpiece end face 530 and the workpiece side wall 520.
In other embodiments, the first diameter might be less that the cross-sectional diameter of the annular work piece.Correspondingly,
The annular work piece have the first workpiece end face and the second workpiece end face opposite with first workpiece end face, it is described in
The side wall in heart hole connects first workpiece end face and the second workpiece end face.
In conjunction with reference Fig. 3 to Fig. 7, clamping tool for machine work 200 (as shown in Figure 3) described in previous embodiment, institute are provided
210 shape of cover board of clamping tool for machine work 200 and the centre bore 550 of the annular work piece 500 (as shown in Figure 8) are stated (such as Fig. 8 institute
Show) shape matches.
During being machined to the annular work piece 500, the clamping tool for machine work 200 is used for described
Annular work piece 500 is clamped.
210 shape of cover board and 550 shape of centre bore of the annular work piece 500 match, i.e., described 210 shape of cover board
Shape is identical as 550 shape of centre bore of the annular work piece 500, and the side wall of the cover board 210 can be with the centre bore 550
The realization face contact (as shown in Figure 9) of side wall 510, to make the cover board 210 resist the annular work piece 500, while by making
The pedestal 220 is fixedly connected with cover board 210, and then realizes the clamping tool for machine work 200 to the annular work piece 500
The problem of clamping, and avoiding the occurrence of 500 stress of annular work piece, reduces the degree of deformation of the annular work piece 500.
In the present embodiment, the pedestal 220 is arranged fluted 295 (such as Fig. 3 institute in the end face towards the cover board 210
Show).
During clamping to the annular work piece 500, the pedestal 220 and 210 realization face of the cover board are connect
Touching；By the groove 295, the part cover board 210 is enabled to be embedded in the groove 295, to improve the bottom
Fixing intensity between seat 220 and the cover board 210.
Correspondingly, the shape of the groove 295 and end face and the lid of the cover board 210 towards the pedestal 220
The shape that the partial sidewall of plate 210 is surrounded matches.For example, when end face of the cover board 210 towards the pedestal 220 is circle
Shape, when the side wall of the cover board 210 is inclined-plane, correspondingly, the bottom surface of the groove 295 is circle, the side wall of the groove 295
For inclined-plane, so that the cover board 210 be enable to be embedded in the groove 295.
In other embodiments, the groove can also be not provided in end face of the pedestal towards the cover board.
The shape of the pedestal 220 is depending on the shape of the annular work piece 500.In the present embodiment, the pedestal 220
Shape be cylindrical body.
Moreover, when being machined to the annular work piece 500, the clamping tool for machine work 200 is described in the clamping
With 500 rotating Vortex of annular work piece while annular work piece 500, the shape of the pedestal 220 is cylindrical body, additionally it is possible to be kept away
Exempt to generate rotates effe adverse effect and improves the safety in rotary course.
210 shape of cover board and 550 shape of centre bore of the annular work piece 500 match.It is described in the present embodiment
The vertical section shape of centre bore 550 is trapezoidal, and the cross-sectional shape of the centre bore 550 is circle, the shape of the cover board 210
Shape mutually should be rotary table.In other embodiments, when the vertical section shape of the centre bore be it is trapezoidal, and the centre bore is transversal
When face shape is rectangular, the shape of the cover board mutually should be terrace with edge.
In the present embodiment, it is subsequent realize being fixedly connected of the pedestal 220 and cover board 210 after, the pedestal 220 is towards institute
Face contact is realized in the end face and the annular work piece 500 for stating cover board 210, so as to preferably realize the clamping tool for machine work
The clamping of 200 pairs of annular work pieces 500.
Therefore, in the present embodiment, the cross-sectional diameter (not indicating) of the pedestal 220 is less than the first diameter D4 (such as
Shown in Fig. 9), when the subsequent use clamping tool for machine work 200 clamps the annular work piece 500, the ring-type work
Part 500 is exposed to the pedestal 220, to avoid during being machined to the annular work piece 500, to described
The side wall of pedestal 220 is machined, and then is conducive to improve the service life of the clamping tool for machine work 200.
In the present embodiment, the small end face of 210 area of cover board is towards the pedestal 220, when using the machining
When fixture 200 clamps the annular work piece 500, the cover board 210 can be made to be embedded in the center of the annular work piece 500
In hole 550.Correspondingly, the diameter D2 of end face of the cover board 210 towards the pedestal 220 is (as shown in Figure 6) to be less than the lid
Diameter D1 (as shown in Figure 6) of the plate 210 backwards to the end face of the pedestal 220.
It should be noted that the diameter of the cover board 210 is unsuitable too small, also should not be too large.If the cover board 210 is straight
Diameter is too small, then the cover board 210 is difficult to play the role of resisting the side wall 510 of the centre bore 550, correspondingly, the machinery
Clamp for machining 200 is difficult to play the annular work piece 500 clamping action, and the annular work piece 500 is easy be machined
It moves in journey, declines so as to cause the processing quality of the annular work piece 500；If the diameter of the cover board 210 is excessive,
Then the cover board 210 is difficult to be embedded in the centre bore 550, and the cover board 210 protrudes from the annular work piece 500, thus
It is easy to cause to hinder in the mechanical processing process of the annular work piece 500.
For this purpose, the diameter D2 of end face of the cover board 210 towards the pedestal 220 is straight with described second in the present embodiment
The difference of diameter D3 (as shown in Figure 9) is -0.1 millimeter to 0.1 millimeter, and the cover board 210 is backwards to the straight of the end face of the pedestal 220
The difference of diameter D1 and the first diameter D4 (as shown in Figure 9) is -0.1 millimeter to 0 millimeter.
First fixation hole 221 and second fixation hole 211 with the fixation member 300 for matching；When adopting
When being clamped with the clamping tool for machine work 200 to the annular work piece 500, connected by the fixation member 300 described
Second fixation hole 211 and the first fixation hole 221 realize being fixedly connected for the pedestal 220 and cover board 210, thus described in realizing
Clamping of the clamping tool for machine work 200 to the annular work piece 500.
In the present embodiment, first fixation hole 221 and the second fixation hole 211 are threaded hole, i.e., described first is fixed
The side wall of hole 221 and the second fixation hole 211 all has screw thread, therefore the fixation member 300 is screw, alternatively, the fixation
Component 300 includes screw and nut.
In other embodiments, first fixation hole and the second fixation hole are through-hole, i.e., described first fixation hole and
The side wall of second fixation hole does not have screw thread, and the fixation member accordingly includes screw and nut.And it is fixed to work as described first
When hole is through-hole, first fixation hole runs through the full depth of the pedestal, described in being realized using the fixation member
Pedestal is fixedly connected with cover board.
It should be noted that being additionally provided at least three first positioning holes 222 (as shown in Figure 3), institute in the pedestal 220
The segment thickness that first positioning hole 222 at least runs through the pedestal 220 is stated, and the first positioning hole 222 is with the pedestal 220
Cross-section center be the center of circle, along the circumferential direction uniformly arrangement；At least three are additionally provided in the cover board 210 through the lid
The second location hole 212 (as shown in Figure 3) of plate 210, the second location hole 212 are with the cross-section center of the cover board 210
The center of circle, along the circumferential direction uniformly arrangement.
The first positioning hole 222 and second location hole 212 are used to connect described second using the fixation member 300
Before fixation hole 211 and the first fixation hole 221, center location is determined, to make the concentricity of the pedestal 220 and cover board 210
It is improved.
In the present embodiment, the first positioning hole 222 and second location hole 212 are corresponded.
In the present embodiment, the first positioning hole 222 with first fixation hole 221 along the circumferential direction arrange by uniform intervals
Cloth, that is to say, that the first positioning hole 222 is located on concentric circles with first fixation hole 22.Determined by making described first
Along the circumferential direction uniform intervals are arranged for position hole 222 and first fixation hole 221, are conducive to improve concentricity.
In other embodiments, the first positioning hole can also diametrically arrange with first fixation hole, and
It is corresponded with first fixation hole, that is to say, that a first positioning hole and first fixed hole position are in same diameter
On.
Therefore, in the present embodiment, when the quantity of first fixation hole 221 is three, the first positioning hole 222
Quantity mutually should be three.
Correspondingly, the second location hole 212 and second fixation hole 211 are along the circumferential direction uniform in the present embodiment
It is intervally arranged, that is to say, that the second location hole 212 is located on concentric circles with second fixation hole 211.
In other embodiments, the second location hole can also diametrically arrange with second fixation hole, and
It is corresponded with second fixation hole, that is to say, that a second location hole and second fixed hole position are in same diameter
On.
Therefore, in the present embodiment, when the quantity of second fixation hole 211 is three, the second location hole 212
Quantity mutually should be three.
Correspondingly, the clamping tool for machine work 200 further include: at least three positioning pin (not shown), it is described for connecting
Second location hole 212 and first positioning hole 222.
In the present embodiment, the quantity of the second location hole 212 and first positioning hole 222 is three, then the positioning
The quantity of pin is three.
In the present embodiment, the first positioning hole 222 runs through the full depth of the pedestal 220.In other embodiments,
The first positioning hole may also extend through the segment thickness of the pedestal.
It should be noted that when the first positioning hole 222 runs through the segment thickness of the pedestal 220, described first
Location hole 222 at least runs through 2/3 thickness of the pedestal 220, i.e., the depth of the described first positioning hole 222 at least accounts for the pedestal
The 2/3 of 220 thickness, thus using second location hole 212 described in the positioning pin connection and first positioning hole 222 to determine circle
When heart position, it can guarantee crystallized ability of the positioning pin in the first positioning hole 222, so that it is inclined to prevent the center of circle
From the problem of.
In the present embodiment, the first positioning hole 222 is through-hole, i.e., the side wall of the described first positioning hole 222 does not have spiral shell
Line, 212 phase of second location hole should be through-hole, i.e., the side wall of the described second location hole 212 does not have screw thread.
To the specific descriptions of the clamping tool for machine work 200, the corresponding description in previous embodiment, the present embodiment are please referred to
Details are not described herein.
It is shown in conjunction with reference Figure 10 and Figure 11, Figure 10 and pedestal is fixed on to side view corresponding on pawl disk, Figure 11 shows
Go out and annular work piece is placed in side view corresponding between pedestal and cover board, by the annular work piece 500 (as shown in figure 11)
It is placed between the pedestal 220 (as shown in figure 11) and cover board 210 (as shown in figure 11), and keeps 550 size of centre bore small
One end towards the pedestal 220.
By the way that the annular work piece 500 to be placed between the pedestal 220 and cover board 210, to make the lid to be subsequent
Plate 210, which is embedded in the centre bore 550 and matches the clamping annular work piece 500 with the pedestal 220, provides technique base
Plinth.
In the present embodiment, after the annular work piece 500 is placed between the pedestal 220 and cover board 210, the ring-type work
The workpiece end face 530 (as shown in Figure 9) of part 500 is towards the pedestal 220, and the small end face of 210 area of the cover board is towards institute
State pedestal 210.
As shown in Figure 10, it should be noted that the annular work piece 500 is placed between the pedestal 220 and cover board 210
Before, it further comprises the steps of: and lathe (not shown) is provided, the lathe includes pawl disk 400；The pedestal 220 is fixed on described
On pawl disk 400.
In the present embodiment, the lathe is used to carry out the annular work piece 500 turnery processing, and the pawl disk 400 is fixed
In on the lathe, as lathe accessories, for being clamped and positioning use for component to be assembled.
Same as the prior art to the specific descriptions of the lathe and pawl disk 400, details are not described herein by the present invention.
By being fixed on the pedestal 220 on the pawl disk 400, subsequently through 200 pairs of institutes of the clamping tool for machine work
It states after annular work piece 500 clamped, so that the annular work piece 500 is fixed on the lathe.
It is the side view based on Figure 11 with reference to Figure 12, Figure 12, so that the cover board 210 is embedded in the centre bore 550 and (such as scheme
Shown in 9) in.
After the cover board 210 is embedded in the centre bore 550, the side wall of the cover board 210 and the centre bore 550
The realization face contact (as shown in figure 11) of side wall 510, so that the cover board 210 is made to resist the side wall 510 of the centre bore 550,
It is subsequent realize being fixedly connected of the pedestal 220 and cover board 210 after, and then realize the clamping tool for machine work 200 to the ring
The indirect clamping of shape workpiece 500, reduces the change of the annular work piece 500 at the problem of avoiding the occurrence of 500 stress of annular work piece
Shape degree.
It should be noted that the pedestal 220 is arranged fluted in the present embodiment in the end face towards the cover board 210
295 (as shown in Figure 3), therefore after the cover board 210 is embedded in the centre bore 550, the cover board 210 is also embedded in described
It in groove 295, is moved to limit the cover board 210, and then improves the fixation between the pedestal 220 and cover board 210
Intensity.
Correspondingly, in the present embodiment, after the cover board 210 is embedded in the centre bore 550, the pedestal 220 towards
The end face of the cover board 210 and the annular work piece 500 realize face contact.
It is the side view based on Figure 12 with reference to Figure 13, Figure 13, so that the cover board 220 is embedded in the centre bore 550 and (such as scheme
Shown in 9) in after, so that the fixation member 300 is connected second fixation hole 211 (as shown in figure 12) and the first fixation hole 221
(as shown in figure 12) realizes being fixedly connected for the pedestal 220 and cover board 210.
By realizing being fixedly connected for the pedestal 220 and cover board 210, to realize that the clamping tool for machine work 200 is right
The clamping action of the annular work piece 500.
In the present embodiment, first fixation hole 211 and the second fixation hole 211 are threaded hole, the fixation member 300
For screw, therefore the fixation member 300 is placed in first fixation hole 211, and tighten the fixation member 300, is made
The fixation member 300 connects first fixation hole 211 and the second fixation hole 211, to realize the pedestal 220 and cover board
210 are fixedly connected.
In further embodiments, using screw and nut as the fixation member, the pedestal and cover board are realized
It is fixedly connected.
In some other embodiment, when first fixation hole and the second fixation hole are through-hole, the fixation member
It include accordingly screw and nut, and described screw one end protrudes from the pedestal backwards to the end face of the cover board, to make described
Spiro cap is set on the screw one end exposed, and by way of tightening the nut, makes the fixation member connection described the
One fixation hole and the second fixation hole.
In the present embodiment, the quantity of first fixation hole 221 is three, and first fixation hole 221 is with the bottom
The cross-section center of seat 220 is the center of circle, along the circumferential direction uniformly arrangement, second fixation hole 211 and first fixation hole
221 correspond, therefore the fixation member 300 is in the process for connecting first fixation hole 211 and the second fixation hole 211
In, the pedestal 220, annular work piece 500 and the concentricity with higher of cover board 210 can be made.
It should be noted that connecting the fixation member 300 after being embedded in the cover board 210 in the centre bore 550
Before connecing second fixation hole 211 and the first fixation hole 221, further comprising the steps of: makes positioning pin (not shown) connection institute
State second location hole 212 (as shown in figure 12) and first positioning hole 222 (as shown in figure 12).
By making second location hole 212 and first positioning hole 222 described in the positioning pin connection, to control the pedestal
220 and cover board 210 free movement degree.
Specifically, in the present embodiment, by first using second location hole 212 and first positioning hole described in positioning pin connection
222, it may thereby determine that center location, and then first fixation hole 211 and second is being connected using the fixation member 300
During fixation hole 211, the concentricity of the pedestal 220, annular work piece 500 and cover board 210 is improved, avoids the generation center of circle inclined
From the problem of.
Therefore, in the present embodiment, the fixation member 300 is made to connect second fixation hole 211 and the first fixation hole 221
Afterwards, it further comprises the steps of: and takes out the positioning pin.
It should be noted that further comprising the steps of: using the lathe after taking out the positioning pin to the annular work piece
500 side wall 510 progress turnery processing (as shown in figure 11).
Compared with the scheme that the side wall to the annular work piece is laterally clamped, the side of cover board 210 described in the present embodiment
The side wall 510 of wall and 500 centre bore 550 of annular work piece realizes face contact, to resist the side wall 510 of the centre bore 550,
And second fixation hole 211 and the first fixation hole 221 are connected by the fixation member 300, to realize 220 He of pedestal
Cover board 210 is fixedly connected, to clamp the annular work piece 500 indirectly, avoids the occurrence of asking for 500 stress of annular work piece
Topic reduces the degree of deformation of the annular work piece 500, improves concentricity；Moreover, because the workpiece side wall of the annular work piece 500
520 (as shown in Figure 9) are not covered by the clamping tool for machine work 200, therefore can also realize to the workpiece side wall 520
The processing of one step, to reduce the turn-over number of the annular work piece 500, avoids the workpiece side wall 520 from machined trace occur, thus
Improve the processing quality of the annular work piece 500.
Although of the invention, oneself is disclosed as above, and present invention is not limited to this.Anyone skilled in the art are not departing from
It in the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim
Subject to limited range.
Claims (25)
1. a kind of clamping tool for machine work characterized by comprising
Pedestal is provided at least one first fixation hole in the pedestal, and first fixation hole at least runs through the pedestal
Segment thickness；
Cover board is arranged in parallel with the pedestal, and the cover board is round table-like or prism-frustum-shaped, and wherein the small end face of area is towards described
Pedestal is provided at least one second fixation hole for running through the cover board in the cover board；
At least one fixation member, for connecting second fixation hole and the first fixation hole.
2. clamping tool for machine work as described in claim 1, which is characterized in that the shape of the pedestal be cylindrical body, cuboid,
Square, rotary table or terrace with edge.
3. clamping tool for machine work as described in claim 1, which is characterized in that the pedestal is set in the end face towards the cover board
It is equipped with groove.
4. clamping tool for machine work as described in claim 1, which is characterized in that first fixation hole at least runs through the pedestal
2/3 thickness.
5. clamping tool for machine work as described in claim 1, which is characterized in that first fixation hole runs through the pedestal.
6. the clamping tool for machine work as described in claim 1,4 or 5, which is characterized in that first fixation hole and second is fixed
Hole is threaded hole, and the fixation member is screw, or including screw and nut.
7. clamping tool for machine work as claimed in claim 5, which is characterized in that first fixation hole and the second fixation hole are
Through-hole, the fixation member include screw and nut.
8. clamping tool for machine work as described in claim 1, which is characterized in that first fixation hole and second fixation hole
It corresponds.
9. clamping tool for machine work as claimed in claim 8, which is characterized in that the quantity of first fixation hole is at least three
It is a, and first fixation hole is along the circumferential direction uniformly arranged using the cross-section center of the pedestal as the center of circle；
The quantity of second fixation hole is at least three, and second fixation hole is circle with the cross-section center of the cover board
The heart, along the circumferential direction uniformly arrangement.
10. clamping tool for machine work as described in claim 1, which is characterized in that be additionally provided at least three in the pedestal
A positioning hole, the first positioning hole at least runs through the segment thickness of the pedestal, and the first positioning hole is with the pedestal
Cross-section center be the center of circle, along the circumferential direction uniformly arrangement；
At least three second location holes for running through the cover board are additionally provided in the cover board, the second location hole is with the lid
The cross-section center of plate is the center of circle, along the circumferential direction uniformly arrangement.
11. clamping tool for machine work as claimed in claim 10, which is characterized in that the first positioning hole and second positioning
Hole corresponds.
12. clamping tool for machine work as claimed in claim 11, which is characterized in that the first positioning hole and described first is fixed
Along the circumferential direction uniform intervals are arranged in hole；Along the circumferential direction uniform intervals are arranged for the second location hole and second fixation hole
Cloth.
13. clamping tool for machine work as claimed in claim 10, which is characterized in that the clamping tool for machine work further include: at least
Three positioning pins, for connecting the second location hole and first positioning hole.
14. clamping tool for machine work as claimed in claim 10, which is characterized in that the first positioning hole at least runs through the bottom
2/3 thickness of seat；
Alternatively, the first positioning hole runs through the pedestal.
15. clamping tool for machine work as described in claim 1, which is characterized in that be additionally provided in the cover board through the lid
The cover central hole of plate.
16. a kind of application method of clamping tool for machine work, comprising:
Annular work piece with a central hole is provided；
Clamping tool for machine work as described in claim 1, the cover board shape of the clamping tool for machine work and the cyclic annular work are provided
The center hole shape of part matches；
One end that the annular work piece is placed between the pedestal and cover board, and keeps central hole size small is towards the pedestal；
It is embedded in the cover board in the centre bore；
After being embedded in the cover board in the centre bore, so that the fixation member is connected second fixation hole and first and fix
Being fixedly connected for the pedestal and cover board is realized in hole.
17. the application method of clamping tool for machine work as claimed in claim 16, which is characterized in that the annular work piece is ring-type
Target blankss.
18. the application method of clamping tool for machine work as claimed in claim 16, which is characterized in that realize the pedestal and cover board
Be fixedly connected after, end face of the pedestal towards the cover board and the annular work piece realize face contact.
19. the application method of clamping tool for machine work as claimed in claim 16, which is characterized in that the shape of the annular work piece
For cylindrical body with a central hole；
The shape of the pedestal is cylindrical body, and the shape of the cover board is rotary table.
20. the application method of clamping tool for machine work as claimed in claim 19, which is characterized in that the maximum of the centre bore is straight
Diameter is first diameter, and the minimum diameter of the centre bore is second diameter；
The difference of end face diameter of the cover board towards the pedestal and the second diameter is -0.1 millimeter to 0.1 millimeter；
The cover board is -0.1 millimeter to 0 millimeter backwards to the end face diameter of the pedestal and the difference of the first diameter.
21. the application method of clamping tool for machine work as claimed in claim 20, which is characterized in that the cross section of the pedestal is straight
Diameter is less than the second diameter.
22. the application method of clamping tool for machine work as claimed in claim 16, which is characterized in that first fixation hole and
Two fixation holes are threaded hole, using screw as the fixation member, realize being fixedly connected for the pedestal and cover board；Or
Person realizes being fixedly connected for the pedestal and cover board using screw and nut as the fixation member.
23. the application method of clamping tool for machine work as claimed in claim 16, which is characterized in that first fixation hole and
Two fixation holes are through-hole, using screw and nut as the fixation member, realize being fixedly connected for the pedestal and cover board.
24. the application method of clamping tool for machine work as claimed in claim 16, which is characterized in that be additionally provided in the pedestal
At least three first positioning holes, the first positioning hole at least run through the segment thickness of the pedestal, and the first positioning hole
Using the cross-section center of the pedestal as the center of circle, along the circumferential direction uniformly arrangement；At least three are additionally provided in the cover board to pass through
The second location hole of the cover board is worn, the second location hole is using the cross-section center of the cover board as the center of circle, along the circumferential direction
Uniformly arrangement；
The clamping tool for machine work further include: at least three positioning pins, for connecting the second location hole and first positioning hole；
After being embedded in the cover board in the centre bore, so that the fixation member is connected second fixation hole and first and fix
Before hole, further comprising the steps of: makes second location hole and first positioning hole described in the positioning pin connection.
25. the application method of clamping tool for machine work as claimed in claim 24, which is characterized in that connect the fixation member
After second fixation hole and the first fixation hole, further comprises the steps of: and take out the positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476129.3A CN109093418A (en) | 2017-06-21 | 2017-06-21 | Clamping tool for machine work and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476129.3A CN109093418A (en) | 2017-06-21 | 2017-06-21 | Clamping tool for machine work and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109093418A true CN109093418A (en) | 2018-12-28 |
Family
ID=64796272
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710476129.3A Pending CN109093418A (en) | 2017-06-21 | 2017-06-21 | Clamping tool for machine work and its application method |
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| CN (1) | CN109093418A (en) |
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Application publication date: 20181228 |
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| RJ01 | Rejection of invention patent application after publication |