CN208880495U - A kind of tungsten carbide coating thin-walled guide tube clamp - Google Patents
A kind of tungsten carbide coating thin-walled guide tube clamp Download PDFInfo
- Publication number
- CN208880495U CN208880495U CN201821636353.0U CN201821636353U CN208880495U CN 208880495 U CN208880495 U CN 208880495U CN 201821636353 U CN201821636353 U CN 201821636353U CN 208880495 U CN208880495 U CN 208880495U
- Authority
- CN
- China
- Prior art keywords
- told
- workpiece
- guide tube
- main body
- fixture
- 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 a kind of tungsten carbide coating thin-walled guide tube clamps, it is specifically related to a kind of grinding positioning fixture, fixture includes jig main body and end cap, told jig main body is connected and fixed with workpiece by bolt and fastening nut, told end cap and jig main body are connected and fixed by internal screw thread, the entire grinding process that fixture passes through centre bore and the top realization workpiece that is connected.The structure design of the utility model is reasonable, improves the machining accuracy of workpiece so that workpiece has different locating effects in corase grinding and fine grinding by splitting fixture.
Description
Technical field
The utility model relates to a kind of clamp more particularly to a kind of tungsten carbide coating thin-walled guide tube clamps.
Background technique
Tungsten carbide coating thin-walled guide tube is a component in airspace engine, and required precision is high, and processing quality is direct
Influence the working performance of engine.When being ground workpiece outer profile, limited by workpiece configurations and interior neck structure, upper nothing is for straight
It is hinged with the position of folder, traditional fixture clamping and double top tip structures can only be used, normal technique is positioned with jig main body, point
Clamping twice is ground workpiece outer profile respectively, because thick, fine ginding positioning is unreasonable, frequently results in part stress concentration, becomes after mill
Shape, and dimensional tolerance and form tolerance can not reach within process specifications, so this processing positioning method easily causes workpiece
It is overproof, occur the defects of disbonding, cracking or local micro-crack when serious, seriously affects coating quality.
In actual production, tooling of the clamp as production process installation positioning, determines Workpiece Machining Accuracy, it
Directly affect the service performance of product.In corase grinding using jig main body installation positioning, it is connected through a screw thread and is fixed with workpiece, it is special
Not Jing Mo when be a very important process, be connected through a screw thread in fine grinding using end cap clamping together with jig main body solid
Fixed, fixture passes through the grinding of centre bore and the top realization workpiece that is connected, by splitting fixture, so that workpiece is in corase grinding and fine grinding
There is different locating effects, improves the machining accuracy of workpiece.
Summary of the invention
The purpose of this utility model is the deficiency for more process above technology, provides a kind of tungsten carbide coating thin-walled and leads
Cylinder clamp.The utility model is achieved through the following technical solutions: a kind of tungsten carbide coating thin-walled guide tube grinding folder
Tool, it is specifically related to a kind of grinding positioning fixture, and fixture includes jig main body (1) and end cap (2), told jig main body (1) one
The outer rim of end face is machined with shoulder (3), and 10 fastening bolt holes (4), institute are along the circumferential direction uniformly machined on told shoulder (3)
Tell that jig main body (1) is connected and fixed with workpiece (W) by bolt (5) and fastening nut (6), the right end of told jig main body (1)
Processing is equipped with internal screw thread (7) on face, and told end cap (2) and jig main body (1) pass through M8 bolt (8) and internal screw thread (7) Xiang Liangu
Fixed, fixture, which is connected by centre bore (9) with top (10), realizes the entire grinding process of workpiece (W).
Further, a kind of tungsten carbide coating thin-walled guide tube clamp, told jig main body (1) two end faces
Equipped with centre bore (9), and cone angle is used to connect for 60 ° 4 ' (R8) of single leaf hyperbolic center hole and top contact form for line
Touching mitigates frictional force to reduce centre bore and top contact area, improves workpiece positioning accuracy.
Further, a kind of tungsten carbide coating thin-walled guide tube fixture, told jig main body (1) left side are equipped with plane
Square shoulder (18) realizes the circle rotation grinding of workpiece after fixture and clamping workpiece.
Further, a kind of tungsten carbide coating thin-walled guide tube fixture, described bolt (5) one end are equipped with copper plain cushion
It encloses (11), the fixation of strengthening stud；One end is equipped with polymer plain washer (12), reduces weighing wounded for workpiece (W) location hole periphery.
Further, a kind of tungsten carbide coating thin-walled guide tube fixture, told end cap (2) outer diameter are equipped with buffering apron
(14), it is used for radial positioning, clamping force is buffered, prevents guide tube clamping deformation；Told buffering apron (14) two sides are equipped with 2 symmetrically
Seam allowance (15) and width are 0.5mm.
Further, a kind of tungsten carbide coating thin-walled guide tube fixture, told end cap (2) top are equipped with 3 Φ 8.5
Hole (16) is corresponding with jig main body internal screw thread (7) and is mutually 120 ° of angles two-by-two, 1 big center of told end cap (2) centre drill
Hole (17) and aperture are greater than tailstock centre outer diameter (Mohs 4#).
The utility model has the advantages that: 1) for coating grinding for, in grinding process, due to the work of grinding stress
With grinding crack Yi Yu matrix faying face generates, and coating is easily opened, and to reduce the probability that crackle generates, optimizes grinding
Positioning datum, the structure design of the utility model is reasonable, by splitting fixture, so that workpiece has in corase grinding and fine grinding and different determines
Position effect, improves the machining accuracy of workpiece, the workpiece for being ground out is able to satisfy production engineering specifications, improves the qualification of product
Rate.2) a degree of ovality is had based on paraffin auxiliary positioning, final craft precision requirement cannot be reached；Corase grinding casting stone
Wax plays support auxiliary work-piece and positions together with end cap after fine grinding positioning method is improved by using jig main body, rises and subtract
Few workpiece metamorphosis；It changes original tooling in the prior art and only uses jig main body integral type positioning method, in thick, fine grinding
By being used cooperatively for end cap and jig main body, the utilization rate of fixture is made full use of.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is that the utility model embodiment provides a kind of schematic diagram of tungsten carbide coating thin-walled guide tube clamp.
Fig. 2 is the partial enlarged view of Fig. 1 centre bore conical surface.
Fig. 3 is a kind of tungsten carbide coating thin-walled guide tube end cap master of the utility model, left view.
Fig. 4 is a kind of tungsten carbide coating thin-walled guide tube corase grinding Set and Positioning schematic diagram of the utility model.
Fig. 5 is a kind of tungsten carbide coating thin-walled guide tube accurate grinding clamping positioning schematic diagram of the utility model.
Wherein in Fig. 1 into Fig. 5:
1 is jig main body, and 2 be end cap, and 3 be shoulder, and 4 be fastening bolt holes, and 5 be bolt, and 6 be fastening nut, and 7 be interior spiral shell
Line, 8 be M8 bolt, and 9 be center hole, and 10 is top, and 11 be copper plain washer, and 12 be polymer plain washer, and 14 be buffering apron, 15
Until hole, 16 be 8.5 hole Φ, and 17 be Large central aperture, and 18 be plane square shoulder, and 19 be washer, and W is workpiece.
Specific embodiment
Below with reference to Fig. 1 to Fig. 5, technical scheme provided by the present invention will be described in more detail.
Specific embodiment one
As shown in Figure 1, a kind of tungsten carbide coating thin-walled guide tube clamp, fixture includes jig main body 1 and end cap 2, institute
It tells that the outer rim of 1 one end face of jig main body is machined with shoulder 3,10 fastening spiral shells is along the circumferential direction uniformly machined on told shoulder 3
Keyhole 4, told jig main body 1 are connected and fixed with workpiece W by bolt 5 and fastening nut 6, the right side of told jig main body 1
Upper processing is equipped with internal screw thread 7, and told end cap 2 and jig main body 1 pass through M8 bolt 8 and be fixedly connected with internal screw thread 7, during fixture passes through
Heart hole 9 is connected with top 10 realizes the entire grinding process of workpiece W.
Further, a kind of tungsten carbide coating thin-walled guide tube fixture, described 5 one end of bolt are equipped with copper plain washer
11, the fixation of strengthening stud；One end is equipped with polymer plain washer 12, reduces weighing wounded for workpiece W location hole periphery.
Further, a kind of tungsten carbide coating thin-walled guide tube fixture is equipped with plane side on the left of told jig main body 1
Shoulder 18, workpiece circle rotation is ground after realizing fixture and clamping workpiece.
Specific embodiment two
As shown in Fig. 2, a kind of tungsten carbide coating thin-walled guide tube clamp, during told 1 two end faces of jig main body are equipped with
Heart hole 9, and using cone angle for 60 ° 4 ' (R8) of single leaf hyperbolic center hole and top contact form is line contact, to reduce
Centre bore and top contact area mitigate frictional force, improve workpiece positioning accuracy.
Specific embodiment three
As shown in figure 3, a kind of tungsten carbide coating thin-walled guide tube fixture, told 2 outer diameter of end cap is equipped with buffering apron 14, is used for
Radial positioning buffers clamping force, prevents guide tube clamping deformation；Told 14 two sides of buffering apron are equipped with 2 symmetrical seam allowances 15 and width
Degree is 0.5mm.
Further, a kind of tungsten carbide coating thin-walled guide tube fixture is equipped with 3 8.5 holes Φ at the top of told end cap 2
16 is corresponding with jig main body internal screw thread 7 and be mutually 120 ° of angles two-by-two, 1 Large central aperture 17 of told 2 centre drill of end cap and hole
Diameter is greater than tailstock centre outer diameter (Mohs 4#).
Specific embodiment four
As shown in Fig. 1,4, by tungsten carbide coating thin-walled guide tube W left side (basal plane) location and installation in 1 one end of jig main body
On the shoulder 3 of face outer rim, the bolt 5, the copper plain cushion that are equipped with 10 fastening bolt holes 4 by passing through along the circumferential direction uniformly distributed processing
Circle 11, polymer plain washer 12 and fastening nut 6 are clamped workpiece, and centering, finally pours atoleine from top to bottom later
Note, is mounted on top 10 after to be solidified and is roughly ground.
Specific embodiment five
As shown in Fig. 1,3,5, by the left side tungsten carbide coating thin-walled guide tube W (basal plane) location and installation in jig main body 1 one
On the shoulder 3 of end face outer rim, the bolt 5, copper flat of 10 fastening bolt holes 4 is equipped with by passing through along the circumferential direction uniformly distributed processing
Washer 11, polymer plain washer 12 and fastening nut 6 are clamped workpiece；It is equipped with internal screw thread 7 in 1 other end of jig main body,
By passing through the M8 bolt 8 for being mutually 8.5 hole 16 3 Φ of 120 ° of angles at the top of end cap two-by-two and being connected with jig main body internal screw thread 7
With washer 19 workpiece is clamped, centering, is mounted on top 10 finally by Large central aperture 17 and is refined later.
The above is only the embodiments of the present invention, it is noted that those skilled in the art are come
It says, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of tungsten carbide coating thin-walled guide tube clamp, it is specifically related to a kind of grinding positioning fixture, and fixture includes fixture
Main body (1) and end cap (2), which is characterized in that the outer rim of told (1) one end face of jig main body is machined with shoulder (3), told shoulder
(3) 10 fastening bolt holes (4) are along the circumferential direction uniformly machined on, told jig main body (1) and workpiece (W) pass through bolt
(5) and fastening nut (6) is connected and fixed, and processing is equipped with internal screw thread (7) on the right side of told jig main body (1), told end cap
(2) it is fixedly connected by M8 bolt (8) with internal screw thread (7) with jig main body (1), fixture passes through centre bore (9) and top (10)
It is connected and realizes the entire grinding process of workpiece (W).
2. a kind of tungsten carbide coating thin-walled guide tube clamp according to claim 1, it is characterised in that: told fixture master
Body (1) two end faces are equipped with centre bore (9), and cone angle is used to connect for 60 ° 4 ' of single leaf hyperbolic center hole and top (10)
Touching form is line contact, to reduce centre bore and top contact area, mitigates frictional force, raising workpiece positioning accuracy.
3. a kind of tungsten carbide coating thin-walled guide tube clamp according to claim 1, it is characterised in that: told fixture master
Plane square shoulder (18) are equipped on the left of body (1), realize the circle rotation grinding of workpiece after fixture and clamping workpiece.
4. a kind of tungsten carbide coating thin-walled guide tube clamp according to claim 1, it is characterised in that: the bolt
(5) one end is equipped with copper plain washer (11), the fixation of strengthening stud；One end is equipped with polymer plain washer (12), and it is fixed to reduce workpiece (W)
Position hole periphery weighs wounded.
5. a kind of tungsten carbide coating thin-walled guide tube clamp according to claim 1, it is characterised in that: told end cap
(2) outer diameter is equipped with buffering apron (14), is used for radial positioning, buffers clamping force, prevents guide tube clamping deformation；Told buffering apron
(14) two sides are equipped with 2 symmetrical seam allowances (15) and width is 0.5mm.
6. a kind of tungsten carbide coating thin-walled guide tube clamp according to claim 1, it is characterised in that: told end cap
(2) top is corresponding with jig main body internal screw thread (7) equipped with 3 8.5 holes Φ (16) and is mutually 120 ° of angles, told end cap two-by-two
(2) 1 Large central aperture (17) of centre drill and aperture are greater than tailstock centre outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821636353.0U CN208880495U (en) | 2018-10-10 | 2018-10-10 | A kind of tungsten carbide coating thin-walled guide tube clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821636353.0U CN208880495U (en) | 2018-10-10 | 2018-10-10 | A kind of tungsten carbide coating thin-walled guide tube clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208880495U true CN208880495U (en) | 2019-05-21 |
Family
ID=66515366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821636353.0U Expired - Fee Related CN208880495U (en) | 2018-10-10 | 2018-10-10 | A kind of tungsten carbide coating thin-walled guide tube clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208880495U (en) |
-
2018
- 2018-10-10 CN CN201821636353.0U patent/CN208880495U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201446412U (en) | Novel arc-surface drilling jig | |
| CN108480923B (en) | Method for precisely machining large thin-wall revolving body part | |
| CN204603354U (en) | Thin-walled fixture for processing excircle of barrel-shaped parts | |
| CN206854684U (en) | A kind of three-jaw clamping device | |
| CN206010537U (en) | A kind of processing high pressure oil movable elbow turning attachment | |
| CN106625220A (en) | Main shaft inner cone hole grinding clamp | |
| CN205520544U (en) | Supplementary anchor clamps of blade processing | |
| CN103028987B (en) | Numerical control processing fixture for two perpendicularly-crossed shafts | |
| CN104889783A (en) | Coating clamp for lathe for machining hole of eccentric valve body | |
| CN205341971U (en) | A from line -up clamp that is used for on merry go round machine processing large sized part excircle | |
| CN107962423A (en) | Ozzle mutually passes through Machining of Curved Surface positioning tool and curved-surface processing method | |
| CN208880495U (en) | A kind of tungsten carbide coating thin-walled guide tube clamp | |
| CN109128885A (en) | Thin-wall tube-shaped excircle of workpiece turning clamping tooling and clamping method | |
| CN211332271U (en) | Tool for intersecting line of lifting ring base of vehicle motor | |
| CN112570745A (en) | Self-centering four-jaw linkage chuck soft jaw device and machining method | |
| CN204546070U (en) | A kind of sheet workpiece turning clamp | |
| CN204471027U (en) | Large-scale sheet member milling Combined adjustable fixture | |
| CN103465076A (en) | Four-point clamping fixture | |
| CN101745829B (en) | Adjustable rotary electrical-discharge machining frock clamp | |
| CN213136346U (en) | Eccentric adjustment type centering fixture for grinding of three-eccentric butterfly valve sealing ring or valve body | |
| CN208230629U (en) | A kind of adjustment cushion block gets fixture ready | |
| CN114633126A (en) | Center frame device for machining aircraft landing gear and clamping method thereof | |
| CN209094590U (en) | A kind of aerodynamic force expansion core fixture | |
| CN208788051U (en) | A kind of thin-walled parts processing bit combination fixture with threaded hole | |
| CN209078269U (en) | Thin-wall tube-shaped excircle of workpiece turning clamping tooling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20191010 |