CN204893606U - Processingequipment in shaping hole - Google Patents
Processingequipment in shaping hole Download PDFInfo
- Publication number
- CN204893606U CN204893606U CN201520666714.6U CN201520666714U CN204893606U CN 204893606 U CN204893606 U CN 204893606U CN 201520666714 U CN201520666714 U CN 201520666714U CN 204893606 U CN204893606 U CN 204893606U
- Authority
- CN
- China
- Prior art keywords
- emery wheel
- forming hole
- wheel
- pole
- plant
- 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.)
- Active
Links
Abstract
The utility model provides a processingequipment in shaping hole, including emery wheel (4) and emery wheel pole (5), emery wheel installation department (52) fixed connection of emery wheel (4) and emery wheel pole (5) one end, and be interference fit between emery wheel mounting hole (41) on emery wheel (4) and emery wheel installation department (52) on emery wheel pole (5), emery wheel pole (5) other end is emery wheel pole clamping portion (51), the axial width of emery wheel (4) is less than the axial width in shaping hole, emery wheel mounting hole (41) diameter tolerance is 0 -0.01mm, emery wheel installation department (52) diameter tolerance is 0.01 -0.02. Utilize the utility model discloses a when processingequipment carries out the abrasive machining in shaping hole, can realize vertical grinding mode reciprocal, the cross feed and come the machine -shaping hole to practice thrift a large amount of wheel Truing time and abrasive machining tool setting time, greatly improved the processing production efficiency in shaping hole.
Description
Technical field
The utility model relates to cemented carbide parts machining technique field, especially relates to the processing unit (plant) of a kind of forming hole on cemented carbide parts.
Background technology
Forming hole 2 on carbide alloy processing parts 1 as shown in Figure 1, not only dimensional accuracy is high, and positional precision is also high, width dimensions h3 ± 0.02, forming hole 2 diameter phi d2 ± 0.02, forming hole 2 port part frustoconical bevel angle requires A ° ± 0.3 °, and the both ends of the surface of forming hole 2 are respectively apart from distance h1, the h2 difference 0.02 between adjacent processing parts 1 both ends of the surface.
In order to process above-mentioned forming hole, the mode that existing processing mode mostly adopts forming grinding wheel to cut, namely forming grinding wheel is after extending in the through hole on processing parts, and emery wheel only up and down reciprocatingly cuts action relative to processing parts, until the grinding face of emery wheel processes forming hole.In actual Grinding Process, before the processing parts belonging to certified products is by formal clamping, need first to carry out tool setting with waste product part, be constantly adjusted to the range difference of nibs both ends of the surface respectively and between adjacent processing parts both ends of the surface, until adjustment is in processing range; Then, start the processing parts of certified products on clamping, adopt the above-mentioned mode cut to carry out grinding forming hole.
Although above-mentioned processing method can process qualified product, mainly there is the defect of the following aspects:
First, add man-hour, require higher to the high consistency of processing parts, its dimensional uniformity will within ± 0.01, otherwise, the forming hole both ends of the surface causing processing are exceeded processing range apart from the difference in size between distance h1, h2 between adjacent processing parts end face respectively, causes processing substandard products;
The second, when forming hole is wider, the emery wheel adopted also correspondingly needs to widen, and during grinding, because grinding wheel width strengthens, grinding force also increases thereupon, is easy to cause pole wheel to be out of shape, and therefore, is also just difficult to ensure forming hole diameter of phi d2 size qualification; And in order to reduce grinding force, feed velocity needs the very little of control, this working (machining) efficiency that result in again forming hole is lower.
3rd, for the grinding of cemented carbide parts, employing be emery grinding wheel, and for the finishing of emery grinding wheel, directly cannot repair with diamond pen, the mode that machine is repaired can only be taked outward.For the forming hole that precision is so high, add man-hour, often process 5 parts and just need finishing emery wheel, during each finishing, emery wheel all will be pulled down together with pole wheel one piece, when changing emery wheel, because the length and width of emery wheel differ, again tool setting again after having repaired, very time-consuming, effort, working (machining) efficiency is very low.
Utility model content
The technical problems to be solved in the utility model is: for prior art Problems existing, provides a kind of processing unit (plant) of forming hole, improves working (machining) efficiency and the qualification rate of forming hole, solves the technical barrier of forming hole mass processing.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of processing unit (plant) of forming hole, comprise emery wheel and pole wheel, described emery wheel is fixedly connected with the emery wheel installation portion of pole wheel one end, and be interference fit between the emery wheel installing hole on emery wheel and the emery wheel installation portion on pole wheel, the described pole wheel other end is pole wheel clamping portion, the axial width of described emery wheel is less than the axial width of forming hole, described emery wheel installing hole diameter tolerance is 0-0.01mm, and described emery wheel installation portion diameter tolerance is 0.01-0.02.
Preferably, also comprise locking nut, pole wheel arrange stop bit step, emery wheel installation portion arranges threaded joints, an end face of described emery wheel and stop bit step closely connected, described locking nut and emery wheel installation portion form screw thread and are flexibly connected and compress emery wheel.
Preferably, the axial width of described emery wheel is the 35%-65% of the axial width of forming hole.
Preferably, the axial width tolerance of described emery wheel is ± 0.003mm.
Preferably, the circular runout of described emery wheel is 0.005mm.
Preferably, the two sides of the main grinding face of emery wheel on described emery wheel are taper surface.
Preferably, the taper surface angle tolerance of the main grinding face of described emery wheel is ± 0.2 °.
Preferably, described emery wheel is skive.
Preferably, the circular runout of the emery wheel installation portion on described pole wheel is 0.005mm.
Preferably, the pole wheel clamping portion on described pole wheel is bullet, and relatively small end is wherein free end.
Compared with prior art, the beneficial effects of the utility model are: because emery wheel installing hole diameter tolerance is 0-0.01mm, emery wheel installation portion diameter tolerance on pole wheel is 0.01-0.02, and be interference fit between emery wheel installing hole and emery wheel installation portion, thus can ensure that the rotating accuracy of emery wheel clamping on pole wheel is within 0.01mm, simultaneously, axial width due to emery wheel is less than the axial width of forming hole, thus can adopt longitudinally back and forth, the grinding method of traverse feed is processed into nibs, after grinding-wheel grinder bevel consumes, only need change an emery wheel, and do not need to pull down together with pole wheel one piece, therefore, the utility model can save the finishing time that a large amount of abrasive machines is repaired outward, also save a large amount of grinding tool setting time simultaneously, drastically increase processing efficiency and the qualification rate of forming hole, thus efficiently solve the technical barrier of forming hole mass processing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the forming hole on cemented carbide parts.
Fig. 2 is the structural map of the processing unit (plant) of a kind of forming hole of the utility model.
Fig. 3 is the structural representation of the emery wheel in Fig. 2.
Fig. 4 is the structural representation of the pole wheel in Fig. 2.
Fig. 5 is the principle schematic of the processing method of forming hole in Fig. 1.
Mark in figure: 1-processing parts, 2-forming hole, 3-locking nut, 4-emery wheel, 5-pole wheel, 6-machine tool chief axis, 41-emery wheel installing hole, the main grinding face of 42-emery wheel, 51-pole wheel clamping portion, 52-emery wheel installation portion, 53-stop bit step.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Carbide alloy processing parts 1 as shown in Figure 1, its central part is through hole, through hole have one be cut into nibs 2, the main part of described forming hole 2 is cylindrical, and its diameter phi d2 is greater than the through-hole diameter of forming hole 2 both sides, and the distance between the left end face of its left end face and adjacent processing parts 1 is h1, distance between its right end face of its its right end face and adjacent processing parts 1 is h2, the width dimensions of described forming hole 2 is h3, and its port part is truncated cone-shaped, and its frustoconical bevel angle is A °.Because the technique Eligibility requirements of forming hole 2 is: h1, h2 differ 0.02, h3 ± 0.02, φ d2 ± 0.02, A ° ± 0.3 °.
In order to process above-mentioned forming hole 2, the processing unit (plant) of a kind of forming hole as shown in Figure 2 can be adopted to process, and described processing unit (plant) comprises be mutually permanently connected all-in-one-piece emery wheel 4 and pole wheel 5.Specifically: as shown in Figure 3, described emery wheel 4 adopts skive to the concrete structure of emery wheel 4 wherein, its overall cylindrical shape in flat, the axial width h4 of emery wheel 4 entirety is the 35%-65% of the axial width h3 of forming hole 2, and to be diameter be its central part
emery wheel installing hole 41, to be diameter be emery wheel 4 outermost layer
the main grinding face 42 of emery wheel, the two sides of the main grinding face 42 of described emery wheel are taper surface.Grinding is carried out to the both ends of the surface of skive 4 and emery wheel installing hole 41, the axial width dimension of all skives 4 for being ground to nibs 2 is made to reach h4 ± 0.003mm, the circular runout of emery wheel 4 reaches 0.005mm, the taper surface angle of the main grinding face 42 of emery wheel reaches A ° ± 0.2 °, and emery wheel installing hole 41 actual size reaches
As shown in Figure 4, to be diameter be its left end the concrete structure of described pole wheel 5
emery wheel installation portion 52, right-hand member is the pole wheel clamping portion 51 of tapered body shape, and the relatively small end in described pole wheel clamping portion 51 is free end, and pole wheel 5 also arranges stop bit step 53.Carry out grinding to for the emery wheel installation portion 52 be ground on the pole wheel 5 of nibs 2, make its circular runout reach 0.005mm, actual size reaches
emery wheel installation portion 52 arranges threaded joints, emery wheel 4 is connected with the emery wheel installation portion 52 on pole wheel 5, guarantee that between the emery wheel installing hole 41 on emery wheel 4 and the emery wheel installation portion 52 on pole wheel 5 be interference fit, and make its right end face of emery wheel 4 and stop bit step 53 closely connected, finally utilize locking nut 3 and emery wheel installation portion 52 to form screw thread to be flexibly connected and to compress emery wheel 4, thus make emery wheel 4 be fixedly connected with integral with pole wheel 5, as shown in Figure 2.
When utilizing the processing unit (plant) of above-mentioned forming hole to carry out the grinding of forming hole 2, as shown in Figure 5, specifically comprise the steps:
First, clamping is fixed on machine tool chief axis 6 by pole wheel clamping portion 51.In order to ensure processing unit (plant) integral installation clamping fixed after reliability, stability, described pole wheel clamping portion 51 can be designed to bullet, and its relatively small end be free end.
Then, processing parts 1 is being fixed after on clamping to lathe, just according to the technological requirement of h1, h2, processing unit (plant) axially carries out straight reciprocating motion path increment along forming hole 2 can be adjusted, makes the difference between h1, h2 within the scope of the 0.02mm of technological requirement.Axial width h4 due to emery wheel 4 entirety is less than the axial width h3 of forming hole 2, therefore, before grinding, first can carry out trial cut by roughly tool setting, according to the left and right reciprocating stroke amount of the size adjustment emery wheel 4 of h1, h2, usually, repeat through tool setting, the trial cut of 1-2 time and just can ensure that difference between h1, h2 is within the scope of technological requirement.
After trial cut terminates, namely carry out grinding by emery wheel 4 pairs of processing parts 1.In Grinding Process, as shown in Figure 5, first upwards length feed, then traverse feed feed left, next, continue upwards to carry out length feed, then namely carry out traverse feed feed to the right in the other direction, so carry out repeatedly longitudinally back and forth, the grinding of traverse feed, until forming hole 2 is ground to technique qualified size.
Diameter tolerance due to emery wheel installing hole 41 is 0-0.01mm, the diameter tolerance of the emery wheel installation portion 52 on pole wheel 5 is 0.01-0.02, and be interference fit between emery wheel installing hole 41 and emery wheel installation portion 52, thus can ensure that the rotating accuracy of emery wheel 4 clamping on pole wheel 5 is within 0.01mm; Meanwhile, the axial width tolerance of skive 4 is only 0.003mm, thus achieves the interchangeability of skive 4 in Grinding Process, is conducive to the working (machining) efficiency improving forming hole 2.After the grinding of the main grinding face 42 of the emery wheel on skive 4 consumes, only need change an emery wheel 4, and not need to pull down together with pole wheel 5 one pieces, thus save that a large amount of emery wheels 4 is dismantled, the set-up time; In addition, the axial width due to emery wheel 4 is less than the axial width of forming hole 2, can adopt longitudinally back and forth, the grinding method of traverse feed to be to process qualified forming hole 2.Therefore, compared with the processing mode of traditional forming hole, employing the technical solution of the utility model can complete the grinding to multiple forming parts hole after carrying out an aim at tool operation, also without the need to repeating aim at tool operation when changing the processing parts of same size, thus efficiently solve the technical barrier of forming hole mass grinding, and save and a large amount of carried out to emery wheel outward finishing time that machine repairs, also save a large amount of grinding tool setting time simultaneously, the processing efficiency of forming hole and qualification rate all can greatly be improved.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the processing unit (plant) of a forming hole, it is characterized in that: comprise emery wheel (4) and pole wheel (5), described emery wheel (4) is fixedly connected with the emery wheel installation portion (52) of pole wheel (5) one end, and be interference fit between the emery wheel installing hole (41) on emery wheel (4) and the emery wheel installation portion (52) on pole wheel (5), described pole wheel (5) other end is pole wheel clamping portion (51), the axial width of described emery wheel (4) is less than the axial width of forming hole, described emery wheel installing hole (41) diameter tolerance is 0-0.01mm, described emery wheel installation portion (52) diameter tolerance is 0.01-0.02.
2. the processing unit (plant) of a kind of forming hole according to claim 1, it is characterized in that: also comprise locking nut (3), pole wheel (5) arranges stop bit step (53), emery wheel installation portion (52) arranges threaded joints, an end face and the stop bit step (53) of described emery wheel (4) are closely connected, and described locking nut (3) and emery wheel installation portion (52) form screw thread and be flexibly connected and compress emery wheel (4).
3. the processing unit (plant) of a kind of forming hole according to claims 1 or 2, is characterized in that: the axial width of described emery wheel (4) is the 35%-65% of the axial width of forming hole.
4. the processing unit (plant) of a kind of forming hole according to claim 3, is characterized in that: the axial width tolerance of described emery wheel (4) is ± 0.003mm.
5. the processing unit (plant) of a kind of forming hole according to claims 1 or 2, is characterized in that: the circular runout of described emery wheel (4) is 0.005mm.
6. the processing unit (plant) of a kind of forming hole according to claim 5, is characterized in that: the two sides of the main grinding face of emery wheel (42) on described emery wheel (4) are taper surface.
7. the processing unit (plant) of a kind of forming hole according to claim 6, is characterized in that: the taper surface angle tolerance of the main grinding face of described emery wheel (42) is ± 0.2 °.
8. the processing unit (plant) of a kind of forming hole according to claim 6 or 7, is characterized in that: described emery wheel (4) is skive.
9. the processing unit (plant) of a kind of forming hole according to claims 1 or 2, is characterized in that: the circular runout of the emery wheel installation portion (52) on described pole wheel (5) is 0.005mm.
10. the processing unit (plant) of a kind of forming hole according to claims 1 or 2, is characterized in that: the pole wheel clamping portion (51) on described pole wheel (5) is bullet, and relatively small end is wherein free end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666714.6U CN204893606U (en) | 2015-08-31 | 2015-08-31 | Processingequipment in shaping hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666714.6U CN204893606U (en) | 2015-08-31 | 2015-08-31 | Processingequipment in shaping hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204893606U true CN204893606U (en) | 2015-12-23 |
Family
ID=54915818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520666714.6U Active CN204893606U (en) | 2015-08-31 | 2015-08-31 | Processingequipment in shaping hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204893606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171543A (en) * | 2015-08-31 | 2015-12-23 | 自贡中兴耐磨新材料有限公司 | Machining device and machining method of forming hole |
| CN110026897A (en) * | 2019-05-13 | 2019-07-19 | 成都凯天电子股份有限公司 | It is mounted directly the internal grinding knife bar of grinding wheel |
-
2015
- 2015-08-31 CN CN201520666714.6U patent/CN204893606U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171543A (en) * | 2015-08-31 | 2015-12-23 | 自贡中兴耐磨新材料有限公司 | Machining device and machining method of forming hole |
| CN110026897A (en) * | 2019-05-13 | 2019-07-19 | 成都凯天电子股份有限公司 | It is mounted directly the internal grinding knife bar of grinding wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102357693B (en) | Method for machining high-precision deep hole | |
| CN104295608A (en) | Joint bearing inner ring processing method | |
| CN105458871A (en) | Engine rotor integral blade disk and blade tip processing method | |
| CN204893606U (en) | Processingequipment in shaping hole | |
| CN101869960A (en) | Bush processing technology | |
| CN202278455U (en) | Grinding and clamping device for excircle of rotating shaft without center bore | |
| CN202894976U (en) | Numerical control external circle grinding machine grinding tool | |
| CN105171543A (en) | Machining device and machining method of forming hole | |
| CN202985325U (en) | Grinding tool for improving processing precision of deep long through hole | |
| CN202097619U (en) | Grinding tool for taper hole | |
| CN204639960U (en) | A kind of emery wheel of modified node method | |
| CN204431056U (en) | A kind of emery wheel trimming device | |
| CN204308753U (en) | Control grinding worm cylindrical length frock | |
| CN203266406U (en) | Work-piece fixing device on cylindrical grinding machine | |
| CN104440408A (en) | Novel grinding machining method of secondary nozzle-class precision part | |
| CN204584922U (en) | A kind of lathe grinding processing unit (plant) of carbide alloy body cylindrical circular arc king bolt groove | |
| CN204019161U (en) | A kind of auxiliary mould of processing low-angle oblique circular cylinder class thin-walled parts | |
| CN202528060U (en) | Gear molding grinding diamond roller | |
| CN106513548A (en) | Grinding-and-cold-heading-free one-time molding process of pin shaft | |
| CN202123401U (en) | Screw inner bore grinding device for automobile steering device | |
| CN104607634A (en) | Machining method for inner hole and outer circle of annular rare-earth permanent magnet and special device | |
| CN202462130U (en) | Energy-saving type double-grinding-head centerless grinding machine | |
| CN104741985A (en) | Workpiece internal circle and external circle grinding method | |
| CN103481023A (en) | Valve body machining method for oil cooler | |
| CN217453515U (en) | High-precision diamond roller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |