CN209503550U - A kind of T-type part symmetry guarantee clamp for machining - Google Patents
A kind of T-type part symmetry guarantee clamp for machining Download PDFInfo
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- CN209503550U CN209503550U CN201821980665.3U CN201821980665U CN209503550U CN 209503550 U CN209503550 U CN 209503550U CN 201821980665 U CN201821980665 U CN 201821980665U CN 209503550 U CN209503550 U CN 209503550U
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Abstract
The utility model discloses a kind of T-type part symmetries to guarantee clamp for machining, including positioning base, T-type part longitudinal end is compressed by the positioning V-shaped block for being set to T-type feature bottom on pedestal and the compression V-block being set at the top of T-type part on positioning base, positioning V-shaped block is removably connected on positioning base, positioning V-shaped block and set compress V-block between be detachably connected, compress V-block above setting pressing plate compress compress V-block；It is provided with pressing plate above T-type part transverse ends portion and compresses T-type part, pressing plate is removably connected on positioning base；Longitudinal bending part arranged on left and right sides of each T-type part lateral ends is clamped by movable latch, and movable latch is set on the positioning support seat on positioning base.Workpiece is changed to bedroom processing method from vertical examination processing method by the fixture of the utility model, installs operation convenient for worker, and when Milling Machining feeds several times, reduces cutting force, improves workpiece to be processed product qualified rate.
Description
Technical field
The utility model belongs to field of machining, and effect is auxiliary numerically-controlled machine tool, realizes higher to symmetry is required
Work pieces process notch when, meet a kind of clamp for machining of its position of related features, particularly belong to a kind of T-type part symmetry guarantee plus
Clamping apparatus.
Background technique
In tradition machinery manufacture field, the higher work pieces process notch of symmetry is required to realization, is usually added according to it
The procedure calls of work technological procedure, design rotary milling machine fixture, and working principle is usually rotation milling after the notch of Milling Machining one side
Workpiece notch, is in addition rotated to preceding Working position by the index dial of bed fixture on one side, to realize that resetting is processed.This method
In the case where its symmetry of notch workpiece requires less high, it is able to satisfy position of related features requirement substantially.But there are fixture designs, system
The disadvantages of it is long to make the period, more demanding to rotary milling machine fixture repetitive positioning accuracy, and manufacturing expenses are expensive.There is a kind of T-type part,
It is required that the both sides notch of processing requires height relative to degree substantially symmetrical about its central axis, then with traditional above method, Yao Tigao work pieces process
Product qualified rate is with regard to extremely difficult.
Utility model content
Purpose of utility model
The problem of the technical problems to be solved in the utility model is for background technique, provides a kind of processing efficiency
High elbow pipe welding special fixture.
Utility model technical solution
In order to realize above-mentioned purpose of utility model, the utility model uses following technical solutions:
A kind of T-type part symmetry guarantees clamp for machining, including positioning base, T-type part longitudinal end on positioning base
It is compressed by the positioning V-shaped block for being set to T-type feature bottom on pedestal and the compression V-block being set at the top of T-type part, positions V
Type block is removably connected on positioning base, is detachably connected between positioning V-shaped block and compression V-block, is compressed and set above V-block
It sets pressing plate and compresses V-block；It is provided with pressing plate above T-type part transverse ends portion and compresses T-type part, pressing plate detachably connects
It is connected on positioning base；Longitudinal bending part arranged on left and right sides of each T-type part lateral ends is clamped by movable latch, activity
Bolt is set on the positioning support seat on positioning base.
Preferably, positioning V-shaped block and compression V-block center are contour.
Preferably, centering bushing is provided on positioning base, centering lining is set on T-type part symmetrical center positions.
Preferably, the hanger bolt of annular is provided on positioning base.
Preferably, it compresses and two pressing plates compression compression V-blocks is set above V-block, two pressing plates are with T-type part longitudinal end
The symmetry axis in portion is symmetrical.
The advantages of the utility model
Utility model has the advantages that the processing method of workpiece is changed to bedroom processing method from vertical examination processing method,
It installs and operates convenient for worker, when Milling Machining feeds several times, reduces cutting force, improves workpiece to be processed product qualified rate.
Detailed description of the invention
Fig. 1 is that a kind of T-type part symmetry of the utility model guarantees clamp for machining structure chart.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Fig. 4 is the B-B cross-sectional view of Fig. 3.
Fig. 5 is that a kind of T-type part symmetry of the utility model guarantees clamp for machining perspective view.
In attached drawing: 1- positioning base, 2- SOC.HD. cap screw, 3- cylindrical positioning pins, 4- positioning support seat, 5- position Type B lining
Set, 6- movable latch, 7- centering bushing, 8- positioning V-shaped block, 9- compression V-block, 10- screw, 11- cylindrical positioning pins, 12- are led
To positioning pin, 13- pressing plate, 14- studs, 15-, which is adjusted, to be supported, 16- nut, 17- hanger bolt, 18- studs, 19-
Adjust support, 20-T type part, 21- clamp nut pair.
Specific embodiment
In conjunction with utility model content general introduction and attached drawing, specific embodiment of the present utility model is described in detail.
T-type part 20 includes the horizontal and vertical two parts for constituting T-type, the symmetry axis weight of longitudinal portion and T-type part 20
It closes, longitudinal portion end is cylindrical type, and there is longitudinal bending part along longitudinal direction at lateral part both ends, and the section of lateral part is side
Shape.
Processing groove is needed using two excircle orientations of 20 center function axis of T-type part for processing both sides symmetrical machining notch
Two other inner holes of mouth carry out angular positioning and support, use the processing work platform of numerically-controlled machine tool, the transverse direction of fixture and numerically-controlled machine tool
Depth of parallelism amesdial centering is requiring in error range, and the centering that the symmetrical notch in both sides is arranged by clamp central uses centering
Plug carries out centralized positioning.
A kind of T-type part symmetry guarantee clamp for machining, in the numerically-controlled machine tool that horizontal and vertical workbench is arranged
It installs and uses, including positioning base 1,20 longitudinal end of T-type part is by being set to 20 bottom of T-type part on pedestal on positioning base 1
The positioning V-shaped block 8 in portion and the compression of compression V-block 9 for being set to 20 top of T-type part, V-block 8 and compression V-block 9 and T-type zero
The face that part 20 contacts is V-type face, and positioning V-shaped block and compression V-block center are contour, in the feelings for guaranteeing its tool part accuracy of manufacture
Under condition, using standard core rods form come installation and acceptance；The accuracy of manufacture of positioning V-shaped block 8 will guarantee in drawing requirement tolerance,
It cannot surmount, to guarantee that workpiece to be processed excircle orientation is accurate；The accuracy of manufacture for compressing V-block 9 will also guarantee in drawing requirement
It in tolerance, cannot surmount, and with the accuracy of manufacture of positioning V-shaped block 8 to consistent, provide base for each point location of T-type part 20 is contour
It is quasi-；Positioning V-shaped block 8 is removably connected on positioning base 1 by screw 10 and cylindrical positioning pins 11, positioning V-shaped block 8 and sets pressure
It is detachably connected between tight V-block 9 by guide positioning pin, compresses setting pressing plate above V-block 9 and compress V-block 9, pressure
Plate is removably connected on positioning base 1 by studs 18 and adjusting support 19；Above 20 transverse ends portion of T-type part
It is provided with pressing plate 13 and compresses T-type part 20, pressing plate 13 adjusts support 15, nut 16 is removably connected to by studs 14
On positioning base 1, pressing plate 13 is not provided with adjustable kidney slot, and the fixture point of such pressing plate can be to greatest extent close to cutting
Position, and processing slotting cutter will not be encountered, it is steady when ensureing machining；The longitudinal direction of each 20 lateral ends of T-type part
Bending part arranged on left and right sides is clamped by movable latch 6, and movable latch 6 is set on the positioning support seat 4 on positioning base 1, fixed
Position support base 4 is that top is fluted, and longitudinal bending part of T-type part 20 is placed in groove, 4 two sides Yan Shui of positioning support seat
Square to through-hole is offered, movable latch 6 is set in through-hole, and positioning is additionally provided between movable latch 6 and positioning support seat 4
Type B bushing 5, positioning support seat 4 are detachably connected with positioning base 1 by SOC.HD. cap screw 2 and cylindrical positioning pins 3.
Be provided with centering bushing on positioning base 1, centering lining is set on 20 symmetrical center positions of T-type part, it is symmetrical in
Heart position is the intersection point of the symmetry axis of 20 longitudinal portion of T-type part longitudinal direction and the horizontal symmetry axis of longitudinal bending part, with guarantee pair
The requirement of title degree.
The hanger bolt 17 of annular is provided on positioning base 1, to guarantee that fixture lifts by crane safely.
It compresses two pressing plates of setting above V-block 9 and compresses V-block 9, two pressing plates are with 20 longitudinal end of T-type part
Symmetry axis it is symmetrical.
The determination of the centering face range of work, needs to reduce to the greatest extent difficulty of processing, centering face range with lathe cushion block height
Position matches.
Using left and right slot band lathe clamp nut pair 21, the numerically-controlled machine tool of run-in index workbench installs and uses the fixture.
Slot band lathe clamp nut pair 21, rectilinear workbench numerically-controlled machine tool install and use the folder on cushion block before and after use
Tool.
When workpiece notch is processed with milling cutter, cutting force is big, therefore workpiece compacted position is close to machining position, but cannot
Slotting cutter operation is interfered, therefore pressing plate center selects cellular type, adjustment amplitude maximum and slotting cutter shape have certain safe distance.
Fixture is not provided with the directionkeys connecting with platen, using positive method is looked for, guarantees to greatest extent and lathe transverse direction
The depth of parallelism.The maximum feature of the utility model is, workpiece is changed to bedroom processing method from vertical examination processing method, is convenient for work
People installs operation, and when Milling Machining feeds several times, reduces cutting force, improves workpiece to be processed product qualified rate.
Claims (5)
1. a kind of T-type part symmetry guarantees clamp for machining, which is characterized in that including positioning base (1), T on positioning base (1)
Type part (20) longitudinal end is by being set to the positioning V-shaped block (8) of T-type part (20) bottom on pedestal and being set to T-type part
(20) the compression V-block (9) at the top of compresses, and positioning V-shaped block (8) is removably connected on positioning base (1), positioning V-shaped block (8)
And compress and be detachably connected between V-block (9), it compresses setting pressing plate above V-block (9) and compresses V-block (9)；T-type part
(20) it is provided with pressing plate above transverse ends portion and compresses T-type part (20), pressing plate is removably connected on positioning base (1)；
Longitudinal bending part arranged on left and right sides of each T-type part (20) lateral ends is clamped by movable latch (6), and movable latch (6) is set
It is placed on the positioning support seat (4) on positioning base (1).
2. a kind of T-type part symmetry as described in claim 1 guarantees clamp for machining, which is characterized in that positioning V-shaped block (8)
And compression V-block (9) center is contour.
3. a kind of T-type part symmetry as described in claim 1 guarantees clamp for machining, which is characterized in that on positioning base (1)
It is provided with centering bushing (7), centering bushing (7) is arranged in T-type part (20) symmetrical center positions.
4. a kind of T-type part symmetry as described in claim 1 guarantees clamp for machining, which is characterized in that on positioning base (1)
It is provided with the hanger bolt (17) of annular.
5. a kind of T-type part symmetry as described in claim 1 guarantees clamp for machining, which is characterized in that compress V-block (9)
Top is arranged two pressing plates and compresses V-block (9), and two pressing plates are with the symmetrical axial symmetry of T-type part (20) longitudinal end point
Cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980665.3U CN209503550U (en) | 2018-11-28 | 2018-11-28 | A kind of T-type part symmetry guarantee clamp for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980665.3U CN209503550U (en) | 2018-11-28 | 2018-11-28 | A kind of T-type part symmetry guarantee clamp for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209503550U true CN209503550U (en) | 2019-10-18 |
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ID=68190574
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821980665.3U Active CN209503550U (en) | 2018-11-28 | 2018-11-28 | A kind of T-type part symmetry guarantee clamp for machining |
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| Country | Link |
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| CN (1) | CN209503550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621608A (en) * | 2020-12-15 | 2021-04-09 | 大连理工大学 | High-precision adjustable positioning device and method for machining and detecting shaft parts |
-
2018
- 2018-11-28 CN CN201821980665.3U patent/CN209503550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621608A (en) * | 2020-12-15 | 2021-04-09 | 大连理工大学 | High-precision adjustable positioning device and method for machining and detecting shaft parts |
| CN112621608B (en) * | 2020-12-15 | 2021-09-24 | 大连理工大学 | High-precision adjustable positioning device and method for machining and detecting shaft parts |
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