CN205414632U - Processingequipment is cut to cover of boron carnbide material work piece - Google Patents
Processingequipment is cut to cover of boron carnbide material work piece Download PDFInfo
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- CN205414632U CN205414632U CN201520905951.3U CN201520905951U CN205414632U CN 205414632 U CN205414632 U CN 205414632U CN 201520905951 U CN201520905951 U CN 201520905951U CN 205414632 U CN205414632 U CN 205414632U
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Abstract
The utility model belongs to the technical field of machining, concretely relates to processingequipment is cut to cover of boron carnbide material work piece. The device includes electric spark machine, installs at the epaxial electrode mounting of the electric spark machine owner body and install the workpiece setting body on the electric spark machine platform, it is high through using the device processed boron carnbide material part blank dimension, the accuracy of form and position and roughness precision to ability effective control galvanic corrosion layer thickness, and the materials processing of solution boron carnbide easily cracks the problem that collapses the sediment.
Description
Technical field
This utility model belongs to Machining Technology field, and processing unit (plant) cut by the set being specifically related to a kind of boron carbide material.
Background technology
Boron carbide air-bearing part is hollow cylindrical structure, and material is B4C boron carbide ceramics；Part blank uses powder metallurgy process high temperature compressing, owing to top layer exists pore, the defect such as loose, for avoiding the impact on part performance of these defects, use the method increasing blank entity size, i.e. increase excircle dimension and reduce hole size, then remove defective surface part by follow-up processing, but thus cause and be worked into, by blank, the allowance that the needs removal of part final size is bigger.
Owing to boron carbide ceramics has ultrahigh hardness (being only below diamond and cubic boron nitride), use general cutter cannot process at all, the processing mode all the time using skive to carry out mechanical grinding is processed, but due to the feature that the Fracture Toughness of boron carbide ceramics is low, add and be easily generated crackle man-hour and collapse slag, small grinding parameter must be used, require that bite is not more than 0.005mm, allowance for blank 3mm, it is accomplished by the process time grown very much, and hole size is less, the interior grinding abrasive disk poor rigidity of inner hole grinding, it is difficult to reach the highest precision, so grinding to exist for working (machining) efficiency in terms of boron carbide part allowance low removing, the shortcoming that processing cost is high, and the crackle in processing collapses slag problem and is difficult to effectively solve.
Utility model content
For solving problem relatively low about boron carbide air-bearing part blank surplus working (machining) efficiency in background technology；It is high that this utility model designs a kind of boron carbide material part blank size, the accuracy of form and position and surface roughness precision processed, and can effectively control galvanic corrosion layer thickness, and solve boron carbide material processing and be easily generated the set of the boron carbide material workpiece that crackle collapses slag and cut processing unit (plant).
Concrete technical scheme of the present utility model is:
Processing unit (plant) cut by the set of a kind of boron carbide material workpiece that the utility model proposes, and its improvements are: the electrode fixing body include electric spark machine tool, being arranged on electric spark machine tool main shaft and the workpiece fixing body being arranged on electric spark machine tool platform；
Described electrode fixing body includes locating shaft, location dish and electrode tip；Described locating shaft one end is connected with electric spark machine tool main shaft, and the other end passes the center of location dish and extends one section；Electrode tip installing hole is offered on the dish of location；Described electrode tip includes the shank being fixedly mounted in electrode tip installing hole and stretches out outside installing hole for processing the processing department of workpiece；
Described frock fixing body one end is fixedly mounted on electric spark machine tool platform, and the other end is disk-shaped structure, offers hole, location in disk-shaped structure in the heart；The centerline hole in hole, described location and the shaft centre line of described locating shaft overlap；It is further opened with workpiece installing hole on described disk-shaped structure；
The described centerline hole of electrode tip installing hole coincides with the centerline hole of workpiece installing hole.
The quantity of above-mentioned electrode tip installing hole is that multiple and around location dish center is uniformly offered；The quantity of described workpiece installing hole is identical with the quantity of described electrode tip installing hole and arranges with electrode tip installing hole one_to_one corresponding.
The first elastic expander it is also equipped with in above-mentioned workpiece installing hole；Described first elastic expander is the tubulose thin-walled being provided with opening, opening direction is parallel to each other with the centerline hole of workpiece installing hole, being provided with the first holding screw on described disk-shaped structure, the first holding screw front end withstands on the outer wall of the first elastic expander, and tail end is exposed at the outside of the second disk-shaped structure.
Second elastic expander is installed in above-mentioned electrode mounting hole；Described second elastic expander is the tubulose thin-walled being provided with opening, opening direction is parallel to each other with the centerline hole of electrode mounting hole, being provided with the second holding screw on the dish of described location, the second holding screw front end withstands on the outer wall of the second elastic expander, and tail end is exposed at the outside of location dish.
The front end face of above-mentioned first holding screw is arc surface, and suitable with the outer wall of the first elastic expander；The front end face of described second holding screw is arc surface, and suitable with the outer wall of the second elastic expander.
Above-mentioned electrode tip is divided into cylindrical set to cut thin-walled electrode according to electrode tip processing department structure and inner hole sleeve cuts thin-walled electrode；The endoporus of thin-walled electrode tip processing department cut by described cylindrical set is the face of cylinder, and cylindrical is taper seat；It is taper seat that described inner hole sleeve cuts thin-walled electrode tip processing department endoporus, and cylindrical is the face of cylinder.
Above-mentioned processing department uniformly offers multiple aperture near the position of shank.
The utility model has the advantage of:
1, of the present utility model proposition uses electric spark mode to process boron carbide material part, achieve the automatic processing of boron carbide material part, the surplus of efficiently going achieving boron carbide material part is processed, relatively grinding efficiency improves more than 30%, and effectively controls boron carbide ceramics materials processing and be easily generated the problem that crackle collapses slag.
2, this utility model design electrode tip, processing cut by the set carrying out boron carbide material, size and the accuracy of form and position of 0.01mm can be reached, and electrode tip is divided into cylindrical set to cut thin-walled electrode according to electrode tip processing department structure and inner hole sleeve cuts thin-walled electrode, the processing of hole type parts and axial workpiece can be carried out, working (machining) efficiency can be improved simultaneously.
3, this utility model uses the first elastic expander and the cooperation of the first holding screw and the second elastic expander and the second holding screw to coordinate, and adds generation processing workpiece and the reliability of electrode tip installation, simultaneously facilitates dismounting.
4, the front end face of the first holding screw of the present utility model and the second holding screw is designed to arc surface, adds and holds out against area, improves pressure.
5, this utility model has designed and produced special fixture, by the multiple electrode tip of once mounting and workpiece to be processed, processes, improve working (machining) efficiency while realizing multiple workpiece to be processed；And electrode and the part of different size can be installed, improve the adaptability of this device.
6, the excircle part at processing sections endoporus top of the present utility model is all machined with multiple aperture,, can so that working fluid flows into working position, and be beneficial to add the timely discharge producing oil smoke man-hour, oil smoke can be prevented to be gathered in processing sections endoporus, it is ensured that the safety of processing.
Accompanying drawing explanation
Fig. 1 is structure diagram of the present utility model.
The structure diagram of Fig. 2 electrode fixing body.
The structure diagram of Fig. 3 workpiece fixing body.
The structure diagram of thin-walled electrode cut by Fig. 4 cylindrical set.
Fig. 5 inner hole sleeve cuts the structure diagram of thin-walled electrode.
1-motor fixing body, 2-workpiece fixing body, 3-locating shaft, 4-location dish, 5-electrode tip, 6-electrode mounting hole, 7-shank, 8-processing department, 9-disk-shaped structure, 10-position hole, 11-workpiece installing hole, 12-the first spring expander, 13-the first holding screw, 14-second elastic expander, 15-the second holding screw, thin-walled electrode cut by 16-cylindrical set, 17-inner hole sleeve cuts thin-walled electrode, 18-aperture.
Detailed description of the invention
The problem relatively low in order to solve boron carbide air-bearing part blank surplus working (machining) efficiency, processing unit (plant) cut by the set that the utility model proposes a kind of boron carbide material workpiece.
As it is shown in figure 1, this device includes electric spark machine tool, the electrode fixing body 1 that is arranged on electric spark machine tool main shaft and the workpiece fixing body 2 being arranged on electric spark machine tool platform；
As depicted in figs. 1 and 2, wherein, electrode fixing body 1 includes locating shaft 3, location dish 4 and electrode tip 5；Locating shaft 3 one end is connected with electric spark machine tool main shaft, and the other end passes the center of location dish 4 and extends one section；Electrode tip installing hole 6 is offered on location dish 4；Electrode tip 5 includes the shank 7 being fixedly mounted in electrode tip installing hole and stretches out outside installing hole for processing the processing department 8 of workpiece；
As shown in figures 1 and 3, wherein, frock fixing body 2 one end is fixedly mounted on electric spark machine tool platform, and the other end is disk-shaped structure 9, offers hole 10, location in disk-shaped structure 9 in the heart；The centerline hole in hole 10, location and the shaft centre line of described locating shaft 3 overlap；Workpiece installing hole 11 it is further opened with on disk-shaped structure 9；
The centerline hole of electrode tip installing hole 6 coincides with the centerline hole of workpiece installing hole 11.
Special feature also has, and in order to improve working (machining) efficiency, the quantity of the electrode tip installing hole 6 of this device is that multiple and around location dish 4 center is uniformly offered；The quantity of workpiece installing hole 11 is identical with the quantity of described electrode tip installing hole 6 and arranges with electrode tip installing hole 6 one_to_one corresponding.
It addition, in order to ensure that the reliability that electrode tip 5 and workpiece to be processed position on location dish 4 and disk-shaped structure 9 is high, simultaneously facilitate the dismounting of electrode tip 5 and workpiece to be processed, device of the present utility model has also done following particular design:
The first elastic expander 12 it is also equipped with in workpiece installing hole 11；First elastic expander 12 is the tubulose thin-walled being provided with opening, opening direction is parallel to each other with the centerline hole in hole, location, being provided with the first holding screw 13 on second disk-shaped structure 9, the first holding screw front end withstands on the outer wall of the first elastic expander 12, and tail end is exposed at the outside of disk-shaped structure 12.
The second elastic expander 14 it is also equipped with in electrode mounting hole 6；Second elastic expander 14 is the tubulose thin-walled being provided with opening, opening direction is parallel to each other with the centerline hole in hole, location, being provided with the second holding screw 15 on first disk-shaped structure 5, the second holding screw 15 front end withstands on the outer wall of the second elastic expander 14, and tail end is exposed at the outside of location dish.
Discovery during actually used, the outer wall of the first holding screw front end face and the first elastic expander belongs to point cantact, equally, the outer wall of the front end face of the second holding screw and the first elastic expander falls within point cantact, such mode can cause coupling mechanism force inadequate, therefore, this utility model is made that again and improves, specifically:
The front end face of the first holding screw 13 is arc surface, and suitable with the outer wall of the first elastic expander；The front end face of the second holding screw 15 is arc surface, and suitable with the outer wall of the second elastic expander.
Additionally, as shown in Figure 4 and Figure 5, in order to meet different boron carbide material axial workpiece and the demand of hole type parts, electrode tip 5 is divided into cylindrical set to cut thin-walled electrode 16 (for working shaft-like part) according to electrode tip processing department and inner hole sleeve cuts thin-walled electrode 17 (being used for processing hole type parts)；The processing department endoporus of thin-walled electrode cut by cylindrical set is the face of cylinder, and cylindrical is taper seat；It is taper seat that inner hole sleeve cuts the endoporus in thin-walled electrode machining portion, and cylindrical is the face of cylinder.
Further, the processing department of this device uniformly offers multiple aperture 18 near the position of shank, so that working fluid flows into working position, and can be beneficial to add the timely discharge producing oil smoke man-hour, oil smoke can be prevented to be gathered in processing sections endoporus.
The processing method of this device given below, comprises the concrete steps that:
Step 1) workpiece fixing body is fixed on the platform of electric spark machine tool, and centering, the multiple first elastic expander is arranged on disk-shaped structure, then workpiece to be processed is passed through the first elastic expander tensioner with the first holding screw.
Step 2) one end of locating shaft is arranged on the main shaft of electric spark machine tool, compression, centering, and coordinate with the hole, location on disk-shaped structure with stretching out one end of location dish on locating shaft, it is judged that whether electrode fixing body is arranged concentrically with workpiece fixing body.
Step 3) electrode tip is arranged on the dish of location by the second elastic expander and the cooperation of the second holding screw, after installation, the spark machined of part can be carried out, electric spark machine tool band moving electrode fixing body moves up and down, thus carries out the processing of part.
Claims (7)
1. processing unit (plant) cut by the set of a boron carbide material workpiece, it is characterised in that: the electrode fixing body include electric spark machine tool, being arranged on electric spark machine tool main shaft and the workpiece fixing body being arranged on electric spark machine tool platform；
Described electrode fixing body includes locating shaft, location dish and electrode tip；Described locating shaft one end is connected with electric spark machine tool main shaft, and the other end passes the center of location dish and extends one section；Electrode tip installing hole is offered on the dish of location；Described electrode tip includes the shank being fixedly mounted in electrode tip installing hole and stretches out outside installing hole for processing the processing department of workpiece；
Described frock fixing body one end is fixedly mounted on electric spark machine tool platform, and the other end is disk-shaped structure, offers hole, location in disk-shaped structure in the heart；The centerline hole in hole, described location and the shaft centre line of described locating shaft overlap；It is further opened with workpiece installing hole on described disk-shaped structure；
The described centerline hole of electrode tip installing hole coincides with the centerline hole of workpiece installing hole.
Processing unit (plant) cut by the set of boron carbide material workpiece the most according to claim 1, it is characterised in that: the quantity of described electrode tip installing hole is that multiple and around location dish center is uniformly offered；The quantity of described workpiece installing hole is identical with the quantity of described electrode tip installing hole and arranges with electrode tip installing hole one_to_one corresponding.
Processing unit (plant) cut by the set of boron carbide material workpiece the most according to claim 1 and 2, it is characterised in that: it is also equipped with the first elastic expander in described workpiece installing hole；Described first elastic expander is the tubulose thin-walled being provided with opening, opening direction is parallel to each other with the centerline hole of workpiece installing hole, being provided with the first holding screw on described disk-shaped structure, the first holding screw front end withstands on the outer wall of the first elastic expander, and tail end is exposed at the outside of the second disk-shaped structure.
Processing unit (plant) cut by the set of boron carbide material workpiece the most according to claim 3, it is characterised in that: the second elastic expander is installed in described electrode mounting hole；Described second elastic expander is the tubulose thin-walled being provided with opening, opening direction is parallel to each other with the centerline hole of electrode mounting hole, being provided with the second holding screw on the dish of described location, the second holding screw front end withstands on the outer wall of the second elastic expander, and tail end is exposed at the outside of location dish.
Processing unit (plant) cut by the set of boron carbide material workpiece the most according to claim 4, it is characterised in that: the front end face of described first holding screw is arc surface, and suitable with the outer wall of the first elastic expander；The front end face of described second holding screw is arc surface, and suitable with the outer wall of the second elastic expander.
Processing unit (plant) cut by the set of boron carbide material workpiece the most according to claim 5, it is characterised in that: described electrode tip is divided into cylindrical set to cut thin-walled electrode according to electrode tip processing department structure and inner hole sleeve cuts thin-walled electrode；The processing department endoporus of thin-walled electrode cut by described cylindrical set is the face of cylinder, and cylindrical is taper seat；It is taper seat that described inner hole sleeve cuts the endoporus in thin-walled electrode machining portion, and cylindrical is the face of cylinder.
Processing unit (plant) cut by the set of boron carbide material workpiece the most according to claim 6, it is characterised in that: described processing department uniformly offers multiple aperture near the position of shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520905951.3U CN205414632U (en) | 2015-11-13 | 2015-11-13 | Processingequipment is cut to cover of boron carnbide material work piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520905951.3U CN205414632U (en) | 2015-11-13 | 2015-11-13 | Processingequipment is cut to cover of boron carnbide material work piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205414632U true CN205414632U (en) | 2016-08-03 |
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ID=56518236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520905951.3U Withdrawn - After Issue CN205414632U (en) | 2015-11-13 | 2015-11-13 | Processingequipment is cut to cover of boron carnbide material work piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205414632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269089A (en) * | 2015-11-13 | 2016-01-27 | 西安航天精密机电研究所 | Nested cutting machining device for boron carbide material workpiece |
-
2015
- 2015-11-13 CN CN201520905951.3U patent/CN205414632U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269089A (en) * | 2015-11-13 | 2016-01-27 | 西安航天精密机电研究所 | Nested cutting machining device for boron carbide material workpiece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160803 Effective date of abandoning: 20180828 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160803 Effective date of abandoning: 20180828 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |