CN206426352U - A kind of numerically controlled lathe tailstock housing PRECISION HOLE injection special tooling - Google Patents
A kind of numerically controlled lathe tailstock housing PRECISION HOLE injection special tooling Download PDFInfo
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- CN206426352U CN206426352U CN201621377014.6U CN201621377014U CN206426352U CN 206426352 U CN206426352 U CN 206426352U CN 201621377014 U CN201621377014 U CN 201621377014U CN 206426352 U CN206426352 U CN 206426352U
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- sealing
- asessory shaft
- core axle
- positioning core
- hole
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Abstract
A kind of numerically controlled lathe tailstock housing PRECISION HOLE injection special tooling, positioning core axle is slender axles, the through hole corresponding matching of the outer circumference surface of positioning core axle and workpiece to be added;One end of positioning core axle is provided with the first cascaded surface, and the first cascaded surface acts against the end face of workpiece to be added, and both are fixedly connected by trip bolt;The other end end of positioning core axle is provided with seal disc, and seal disc is fixedly connected by trip bolt with the other end of workpiece to be added;Intrinsic sealing asessory shaft is filled in arcuate socket, it is curved surface that asessory shaft, which is sealed, with the face that positioning core axle coordinates, sealing asessory shaft includes the first sealing asessory shaft and the second sealing asessory shaft, and the first sealing asessory shaft and the second sealing asessory shaft are inserted and secured in arcuate socket from the two ends of arcuate socket respectively.Pass through the application of this set frock, it is ensured that the smooth implementation of Shooting Technique, farthest ensure that the design accuracy requirement of workpiece, greatly reduce difficulty of processing, reduce production cost, bring good economic benefit.
Description
Technical field
The utility model is related to the processing technique field in accurate crucial hole, more particularly to a kind of numerically controlled lathe tailstock housing essence
Close hole injection special tooling.
Background technology
With the development of China NC Machine, many demands of lathe user, Xian Ge lathes producer pair are preferably adapted to
The design production of large-scale, relatively large high-precision numerical control lathe is more and more.At present, for draw ratio be more than 20 slender axles plus
Work, easily produces vibration during processing, this just proposes higher to the rigidity and structure of the rigidity particularly tailstock tool of lathe
It is required that, therefore, devising CNC Turning Center, the tailstock tool body structure is using a pair main axle structure form (see Fig. 1).
Tailstock housing band workpiece to be added, the tailstock casing center is provided with through hole, and the through hole includes being divided into two sections, treated
There is an open-topped arcuate socket intersected vertically with central through hole the central through hole position of workpiece.Wherein two sector holes are distinguished
For first paragraph and second segment, first paragraph is Φ 200H5 holes, is the aperture that tailstock upper body is engaged with tailstock main shaft, to improve tail
The damping capaicty of seat upper body in use and the cooperation rigidity with tailstock main shaft, Φ 200H5 holes use Shooting Technique, are molded
Unilateral 2mm of layer or so;Second segment is Φ 130H7, loads tailstock main shaft fastening block in intersecting hole, to ensure the overall firm of tailstock
Property.Provided with the injecting hole communicated with the through hole at center on tailstock housing, injection is realized.We are in order to meet this design, work
Skill requirement, it is ensured that the precision in Φ 200H5 holes, spy devises a special injection frock.
Utility model content
To overcome problems of the prior art, the utility model provides a kind of numerically controlled lathe tailstock housing essence
Close hole injection special tooling.By the application of this set frock, the smooth implementation of Shooting Technique, and maximum journey not only ensure that
The design accuracy that the ensure that workpiece requirement of degree, while greatly reducing difficulty of processing, reduces production cost, so as to bring
Good economic benefit.
The technical scheme in the invention for solving the technical problem is:This kind of numerically controlled lathe tailstock housing PRECISION HOLE
With injection special tooling, tailstock housing band workpiece to be added, the tailstock casing center is provided with through hole, and the through hole includes being divided into two
Section, also has an open-topped arcuate socket intersected vertically with central through hole in the central through hole position of workpiece to be added.The design
Including positioning core axle, seal disc and sealing asessory shaft, the positioning core axle be slender axles, the outer circumference surface of positioning core axle with it is to be added
The through hole corresponding matching of workpiece;One end of positioning core axle is provided with the first cascaded surface, and the first cascaded surface acts against the end of workpiece to be added
Face, both are fixedly connected by trip bolt;The other end end of positioning core axle is provided with seal disc, and the seal disc passes through fastening
Screw is fixedly connected with the other end of workpiece to be added;Fill in intrinsic sealing asessory shaft in arcuate socket, the sealing asessory shaft with
The face that positioning core axle coordinates is curved surface, and the sealing asessory shaft includes the first sealing asessory shaft and the second sealing asessory shaft, first
Sealing asessory shaft and the second sealing asessory shaft are inserted and secured in arcuate socket from the two ends of arcuate socket respectively.
Further, the center of the first sealing asessory shaft or the second sealing asessory shaft is provided with the first tapped through hole.
Further, the positioning core axle is hollow shaft, and plug is welded with the two ends of positioning core axle.
Further, O-ring seal is provided between the positioning core axle and seal disc.
Further, the center of the seal disc is provided with the second tapped through hole, and second tapped through hole is just to locating core
The end face of axle plug.
Further, the first sealing asessory shaft and the second sealing asessory shaft are nylon material.
Further, it is described to seal asessory shaft, positioning core axle and seal disc surface smear releasing agent in a pre-installation.
To sum up, above-mentioned technical proposal of the present utility model has the beneficial effect that:
By the application of this set frock, the smooth implementation of Shooting Technique is not only ensure that, and farthest be ensure that
The design accuracy requirement of workpiece, while greatly reducing difficulty of processing, reduces production cost, so as to bring good warp
Ji benefit.
Brief description of the drawings
Fig. 1 is the structural representation of workpiece to be added;
Fig. 2 is the structural representation of positioning core axle of the present utility model;
Fig. 3 is the fit structure schematic diagram that the utility model is molded frock;
The sectional view that Fig. 4 is A-A in Fig. 3.
In figure:
1 positioning core axle, 11 first cascaded surfaces, 12 plugs, 2 trip bolts, 3 seal discs, 31 second tapped through holes, 4O types
Circle, 5 first sealing asessory shafts, 6 second sealing asessory shafts, 61 first tapped through holes, 7 workpiece to be added, 71 first paragraphs, 72 second
Section, 73 arcuate sockets, 74 injecting holes, 75 injection molded layers, 8 curved surfaces.
Embodiment
Feature of the present utility model and principle are described in detail below in conjunction with accompanying drawing 1-4, illustrated embodiment is only used for
The utility model is explained, protection domain of the present utility model is not limited with this.
As shown in figure 1, tailstock housing band workpiece 7 to be added, the tailstock casing center is provided with through hole, the through hole includes dividing
For 72 two sections of first paragraph 71 and second segment, there is a top intersected vertically with central through hole in the central through hole position of workpiece to be added
The arcuate socket 73 of portion's opening.
As shown in figure 3, the utility model includes positioning core axle 1, seal disc 3 and sealing asessory shaft, positioning core axle 1 is elongated
Axle, the through hole corresponding matching of the outer circumference surface of positioning core axle and workpiece to be added.As shown in Fig. 2 the weight in order to mitigate positioning core axle
Amount, positioning core axle is hollow shaft, and plug 12 is welded with the two ends of positioning core axle.
One end of positioning core axle is provided with the first cascaded surface 11, and the first cascaded surface acts against the end face of workpiece 7 to be added, Liang Zhetong
Trip bolt 2 is crossed to be fixedly connected.The other end end of positioning core axle be provided with seal disc 3, the seal disc by trip bolt 2 with
The other end of workpiece 7 to be added is fixedly connected.The intrinsic sealing asessory shaft of plug in arcuate socket 73, the sealing asessory shaft and positioning
The face that mandrel coordinates is curved surface 8.As shown in figure 4, in order to note after modeling, sealing asessory shaft can be dismantled smoothly, and spy devises a left side
Right bi-body structure, the sealing asessory shaft includes the first sealing sealing asessory shaft 6 of asessory shaft 5 and second, the first sealing asessory shaft
It is inserted and secured on respectively from the two ends of arcuate socket in arcuate socket 73 with the second sealing asessory shaft, that is, is respectively mounted and dismantles.For
It is easy to disassemble, be provided with the center of the first sealing asessory shaft or the second sealing asessory shaft in first tapped through hole 61, Fig. 4 with
Exemplified by the first tapped through hole is set on second sealing asessory shaft.
In order to realize better seal effect, O-ring seal is provided between positioning core axle and seal disc.
A hole is additionally provided with seal disc, position is preferably disposed on the center of seal disc, and the hole is designed as the second screw thread
Through hole 31, end face of second tapped through hole just to positioning core axle plug 12 after the completion of injection, loads close with a special screw rod that lengthens
In the middle of closing disk 3 in second tapped through hole, positioning core axle is ejected and departs from workpiece.
For the ease of processing and loading and unloading, the first sealing asessory shaft and the second sealing asessory shaft are made using nylon material.
Specifically used process is, first that the right boring of arcuate socket 73 in workpiece 7 to be added is good, and first paragraph 71 and the hole of second segment 72 stay remaining
Amount, first is then loaded in arcuate socket and seals the sealing asessory shaft 6 of asessory shaft 5 and second, and fastens (the with workpiece 7 to be added
One sealing asessory shaft 5 and second sealing asessory shaft 6 must not be pulled down again before the injection of the first sector hole is completed), for ease of processing and filling
Unload, the first sealing sealing asessory shaft 6 of asessory shaft 5 and second makes of nylon material, and outer round surface smears the demoulding before loading
Agent.At this moment, the hole of second segment 72 and the hole of boring first paragraph 71 in right boring workpiece 7 to be added, to strengthen the adsorption capacity of injection molded layers, first paragraph
71 hole surfaces are coarse, and roughness is in Ra12.5~Ra25 or so.Wherein, positioning of second sector hole as injection positioning core axle
Hole, after boring is complete, positioning core axle, seal disc and O-ring seal are good with work piece to be added.It can start from injection after installation
Hole 74 is molded (positioning core axle and seal disc also want smearing release agent before loading) into through hole, forms injection molded layers 75.Note
After the completion of modeling, it is fitted into a special screw rod that lengthens in the second tapped through hole 31 on seal disc, positioning core axle is ejected and departed from
Workpiece, then the first sealing asessory shaft and the second sealing asessory shaft are pulled down, remove injection redundance, so far, be entirely molded work
It is fully completed.
By the application of this set frock, the smooth implementation of Shooting Technique is not only ensure that, and farthest be ensure that
The design accuracy requirement of workpiece, while greatly reducing difficulty of processing, reduces production cost, so as to bring good warp
Ji benefit.
Above-described embodiment is only the description carried out to preferred embodiment of the present utility model, not to the model of the present invention
Enclose and be defined, on the premise of the utility model design spirit is not departed from, relevant technical staff in the field is to the utility model
Various modifications and improvement, all should expand determined by the utility model claims in protection domain.
Claims (7)
1. a kind of numerically controlled lathe tailstock housing PRECISION HOLE injection special tooling, tailstock housing band workpiece to be added, the tailstock shell
Body center is provided with through hole, and the through hole includes being divided into two sections, also has one and central through hole in the central through hole position of workpiece to be added
The open-topped arcuate socket intersected vertically, it is characterised in that described fixed including positioning core axle, seal disc and sealing asessory shaft
Position mandrel is slender axles, the through hole corresponding matching of the outer circumference surface of positioning core axle and workpiece to be added;One end of positioning core axle is provided with
First cascaded surface, the first cascaded surface acts against the end face of workpiece to be added, and both are fixedly connected by trip bolt;Positioning core axle
Other end end is provided with seal disc, and the seal disc is fixedly connected by trip bolt with the other end of workpiece to be added;In arc
Intrinsic sealing asessory shaft is filled in shape hole, the sealing asessory shaft is curved surface, the sealing asessory shaft with the face that positioning core axle coordinates
Including the first sealing asessory shaft and the second sealing asessory shaft, the first sealing asessory shaft and the second sealing asessory shaft are respectively from arcuate socket
Two ends be inserted and secured in arcuate socket.
2. a kind of numerically controlled lathe tailstock housing PRECISION HOLE according to claim 1 injection special tooling, it is characterised in that
The center of the first sealing asessory shaft or the second sealing asessory shaft is provided with the first tapped through hole.
3. a kind of numerically controlled lathe tailstock housing PRECISION HOLE according to claim 1 injection special tooling, it is characterised in that
The positioning core axle is hollow shaft, and plug is welded with the two ends of positioning core axle.
4. a kind of numerically controlled lathe tailstock housing PRECISION HOLE according to claim 1 injection special tooling, it is characterised in that
O-ring seal is provided between the positioning core axle and seal disc.
5. a kind of numerically controlled lathe tailstock housing PRECISION HOLE according to claim 1 injection special tooling, it is characterised in that
The center of the seal disc is provided with the second tapped through hole, end face of second tapped through hole just to positioning core axle plug.
6. a kind of numerically controlled lathe tailstock housing PRECISION HOLE according to claim 2 injection special tooling, it is characterised in that
The first sealing asessory shaft and the second sealing asessory shaft are nylon material.
7. a kind of numerically controlled lathe tailstock housing PRECISION HOLE according to claim 1 injection special tooling, it is characterised in that
It is described to seal asessory shaft, positioning core axle and seal disc surface smear releasing agent in a pre-installation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621377014.6U CN206426352U (en) | 2016-12-14 | 2016-12-14 | A kind of numerically controlled lathe tailstock housing PRECISION HOLE injection special tooling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621377014.6U CN206426352U (en) | 2016-12-14 | 2016-12-14 | A kind of numerically controlled lathe tailstock housing PRECISION HOLE injection special tooling |
Publications (1)
Publication Number | Publication Date |
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CN206426352U true CN206426352U (en) | 2017-08-22 |
Family
ID=59587983
Family Applications (1)
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CN201621377014.6U Active CN206426352U (en) | 2016-12-14 | 2016-12-14 | A kind of numerically controlled lathe tailstock housing PRECISION HOLE injection special tooling |
Country Status (1)
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CN (1) | CN206426352U (en) |
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2016
- 2016-12-14 CN CN201621377014.6U patent/CN206426352U/en active Active
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