CN204183354U - Jewel fixture - Google Patents
Jewel fixture Download PDFInfo
- Publication number
- CN204183354U CN204183354U CN201420695662.0U CN201420695662U CN204183354U CN 204183354 U CN204183354 U CN 204183354U CN 201420695662 U CN201420695662 U CN 201420695662U CN 204183354 U CN204183354 U CN 204183354U
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- isostere
- pin
- fixture
- housing
- cover
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Abstract
Jewel fixture, belongs to gemstone working equipment technical field.It mainly comprises isostere, the worm screw be located in isostere, be provided with the fixture pin of pin tooth, the pin tooth of fixture pin and worm engaging, it is characterized in that: described isostere both ends of the surface are provided with bearing block successively, outerplanar sealing ring, fixing seal bearing holder (housing, cover), and the plane endoporus sealing ring be located in fixing seal bearing holder (housing, cover) and ball bearing; Described fixing seal bearing holder (housing, cover) is positioned at bearing saddle bore; Fixing seal bearing holder (housing, cover) outerplanar is provided with annular groove, and for installing outerplanar sealing ring, fixing seal bearing holder (housing, cover) endoporus plane is provided with step, for mounting plane endoporus sealing ring; And lower oil cavitie is set, it is fixedly connected with forms by arranging monoblock type cover plate that the cuboid oil storage tank that caves inward matches with its notch bottom isostere; Fixture pin adopts straight hole syringe needle; Backshank is taper backshank.The utility model is reasonable in design, has oil-leakage-prevention, multi-faceted accurate location, and prevent worm eccentric and fixture pin not dead, gem processing quality is good, practical.
Description
Technical field
The utility model belongs to gemstone working equipment technical field, is specifically related to a kind of jewel fixture.
Background technology
Jewel fixture, also known as diamond fixture or crystal clamp, be applied on gemstone working equipment, it is part important on water drilling machine, to in gem processing process, jewel fixture is fixed the stock such as crystal, diamond on the one hand, and the minute surface that another aspect realizes the jewel such as diamond, crystal by the action of fixture is changed.Therefore, the overall precision of the jewel water drilling quality that processes of gemstone working equipment and clamp body and stability closely bound up.
Jewel fixture is made up of following structure usually: isostere, be located at the worm screw in isostere, with some pin teeth of worm engaging, the lamina tecti at isostere top, the side cover plate of isostere side, the two ends of worm screw are provided with bearing, are provided with hold-down nut outside bearing.At present, adopt plane bearing to fix with in the two ends of worm screw and isostere two sides bearing block, in use there is following problem, first: plane bearing position frequently occurs oil leakage phenomenon always, can not butter well in seal oil chamber.Second: bearing wear easily causes bearing locking, cause the overall dead pin of aluminium isostere to work; 3rd, can not longitudinal direction adjustment be carried out to worm screw and accurately locate, easily occur that worm screw tilts or unbalanced phenomenon, affect the mechanics transmission effect between worm screw and pin tooth, even cause fixture pin to rotate malfunctioning; Meanwhile, also exacerbate loss between worm screw and pin tooth because of the mutual frictional force between worm screw and pin tooth, reduce its service life.
At present, the isostere back of jewel fixture is planar structure, the backshank of jewel fixture pin stretches out outside isostere, by on the cover board arranging groove for installing backshank, and cover plate also often adopts polylith spliced to carry out sealing fixing, this structure is after fixture uses a period of time, and the wearing and tearing in clamp body between card and fixture pin can make the upper and lower play of fixture pin, finally cause the jewel water drilling quality instability processed, shorten the service life of fixture simultaneously.In addition, this structure also causes the leakage of oil of cover plate place.
Jewel fixture pin is part important on jewel fixture, its syringe needle is mainly used in the jewels such as fixing jewel, water drilling, and its whole pin is when jewel is polished, and needle body rotates the conversion realizing jewel corner angle face, therefore, the precision of pin directly has influence on the gemological quality processed.
The syringe needle hole of current jewel fixture pin all adopts bell mouth shape, and Aculeata adopts cylindric backshank.Its processing technology is complicated, through blanking, with measuring truck wheeled litter syringe needle, car backshank, then carry out gear hobbing, heat treatment, and heat treatment will carry out the operation such as cylindrical grinding, centering after returning.After multiple clamping, the concentricity of needle body itself and linear precision are affected greatly, and syringe needle horn mouth shape and pin external diameter are difficult to reach concentric, and more do not reach original precision after repairing.And cylindric backshank, it adds the frictional force of the back shroud to clamp body on the one hand, comparatively large with the load of hour hands own, easy to wear, and stability is not high, has shortened the whole service life of fixture.
In addition, the processing quality of the size of fixture pin hole and water drilling, jewel is also closely bound up, current jewel fixture processing technology is all integrated oxidation after first punching, because of the impact by reasons such as electric currents, the hole accomplished fluently can be affected at the internal diameter of oxidizing process mesopore, causes the hole size after being oxidized uneven, thus cause pin too tightly or too pine when assembling, time too tight, fixture pin can dead pin, and too release clamp pin can rock, and also causes adverse effect to the crudy of water drilling, jewel.
Summary of the invention
In order to solve the technical problem mentioned in background technology, the purpose of this utility model is to provide a kind of jewel fixture, solves the technical problems such as leakage of oil, processing is unstable, service life of equipment is short.
The technical solution adopted in the utility model is as follows:
Jewel fixture, mainly comprise the cover plate bottom isostere, isostere, the worm screw be located in isostere, be provided with the fixture pin of pin tooth, the pin tooth of fixture pin and worm engaging, it is characterized in that: described isostere both ends of the surface are provided with bearing block successively, outerplanar sealing ring, fixing seal bearing holder (housing, cover), and be located in fixing seal bearing holder (housing, cover) and be provided with plane endoporus sealing ring and ball bearing; Described fixing seal bearing holder (housing, cover) is positioned at bearing saddle bore; Fixing seal bearing holder (housing, cover) outerplanar is provided with annular groove, and for installing outerplanar sealing ring, fixing seal bearing holder (housing, cover) endoporus plane is provided with step, for mounting plane endoporus sealing ring.
Described jewel fixture, is characterized in that: described ball bearing is 2.
Described jewel fixture, is characterized in that: described bearing block two side plane is respectively equipped with set screw hole, and set screw is provided with set screw in hole, for longitudinally regulating the position of fixing seal bearing holder (housing, cover).
Described jewel fixture, is characterized in that: arrange oil storage tank bottom described isostere, and described cover plate is monoblock type cover plate; The notch of oil storage tank is fixedly connected with monoblock type cover plate, and two ends are carried out sealing by the bearing block matched with isostere both ends of the surface and formed lower oil cavitie.
Described jewel fixture, is characterized in that: be provided with pin hole in the syringe needle of described fixture pin, and pin hole is straight hole centre bore; Described backshank is taper backshank; Needle body and taper backshank joint are provided with annular snap film trap.
Described jewel fixture, is characterized in that: the upper bottom surface of described taper backshank and the angle of side are 135 °.
Described jewel fixture, is characterized in that: the hole interior diameter of described its pin hole of syringe needle: syringe needle outside diameter=1:2-3.
Described jewel fixture, is characterized in that: described worm screw one end is provided with the diplopore location worm screw head for fixing worm screw.
Described a kind of jewel fixture, it is characterized in that the oil pocket of this jewel fixture is three, the i.e. upper oil cavitie on isostere top, for installing worm screw and oil pocket in lubricating the pin tooth of worm screw and fixture in the middle part of isostere, and lower oil cavitie, described lower oil cavitie is fixedly connected with forms by arranging monoblock type cover plate that the cuboid oil storage tank that caves inward matches with its notch bottom isostere; Its two ends are sealed by the bearing block matched with isostere both ends of the surface; Described upper oil cavitie, middle oil pocket are communicated with respectively by fixture pin hole with lower oil cavitie.
Described jewel fixture, is characterized in that: the processing technology of described isostere is as follows: 1) prepare aluminium row idiosome; 2) arrange after the hole that communicates with its inner oil pocket and end flat seal to aluminium, carry out low-temperature oxidation; Aluminium row's upper oil cavitie and middle oil pocket keep the not state of oxidation; 3) clamp for machining pin hole.
The utility model increases fixing seal bearing holder (housing, cover) in isostere both ends of the surface bearing block, fixing seal bearing holder (housing, cover) is by bearing seat surface, plane increases outerplanar sealing ring, such butter that can prevent spills from fixing seal bearing holder (housing, cover) cylindrical, increase plane endoporus sealing ring between bearing holder (housing, cover) endoporus and inner plane, this structure can prevent butter from spilling from fixing seal bearing holder (housing, cover) endoporus.Adopt two ball bearing fixed conveyor in fixing seal bearing holder (housing, cover), this structure can prevent the stuck rear out-of-work phenomenon of bearing well, and after wearing and tearing stuck phenomenon appears in a bearing, another bearing can replace work.Bearing block two ends respectively process a set screw hole, longitudinally can regulate the center of fixing seal bearing holder (housing, cover), prevent worm eccentric and fixture pin not dead.Fixture pin adopts straight hole syringe needle, as long as plain grinding, just directly to use after cleaning, greatly reduces repair time, and ensure that the concentricity of needle body script, the jewel water drilling steady quality ground; Backshank adopts taper to fix tail, and taper is fixed tail and is arranged in bottom aluminium isostere and increases lower oil cavitie, and the notch monoblock type cover plate of lower oil cavitie seals; The annular snap film trap of needle body rotates in card tooth, being arranged so that between needle body and card and better being lubricated between taper tail and afterbody cover plate of lower oil cavitie; Meanwhile, the design of cone end of line decreases load when jewel fixture pin works.In addition, the processing of the utility model to isostere is after isostere idiosome processes, before beating fixture pin hole, carry out sealing oxidation to isostere, therefore decrease the wearing and tearing to drill bit when punching, and the aperture size be up to is even, easily controls the size of pin hole.In a word, the utility model is reasonable in design, and stability is high, and the jewel water drilling size ground is even, and quality is high, also improves the service life of fixture simultaneously.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is front cross-sectional structural representation of the present utility model;
Fig. 3 is top view cross section structural representation of the present utility model;
Fig. 4 is horizontal section structural representation of the present utility model;
Fig. 5 is the structural representation of the utility model isostere;
Fig. 6 is the structural representation of monoblock type cover plate;
Fig. 7 is the structural representation of fixture pin;
In figure: 1-isostere; 1-1-oil storage tank; 2-worm screw; 3-fixture pin; 3-1-pin hole; 3-2-pin tooth; 3-3-taper backshank; 3-4-annular snap film trap; 4-bearing block; 4-1-set bolt; 4-2-set screw hole; 4-3-set screw; 5-outerplanar sealing ring; 6-fixing seal bearing holder (housing, cover); 7-plane endoporus sealing ring; 8-ball bearing; 9-hold-down nut; 10-diplopore location worm screw head; Q
1-upper oil cavitie; Q
2-middle oil pocket; Q
3-lower oil cavitie; G-monoblock type cover plate, G
1-screw hole.
detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is further described in detail.
The utility model provides a kind of jewel fixture, primary structure comprises isostere 1, the worm screw 2 be located in isostere 1, be provided with the fixture pin 3 of pin tooth, the pin tooth of fixture pin 3 engages with worm screw 2, and isostere 1 both ends of the surface are provided with bearing block 4, are fixed in isostere 1 by set bolt 4-1.This structure makes plane bearing position frequently occur oil leakage phenomenon, can not butter leakage of oil well in seal oil chamber.In order to solve this technical problem, the utility model is provided with fixing seal bearing holder (housing, cover) 6 in bearing block 4 hole, and be provided with annular groove at the outerplanar of fixing seal bearing holder (housing, cover) 6, be equipped with outerplanar sealing ring 5 in annular groove, prevent butter from spilling from fixing seal bearing holder (housing, cover) 6 cylindrical; Fixing seal bearing holder (housing, cover) 6 endoporus plane is provided with step, step is equipped with plane endoporus sealing ring 7, and this structure can prevent butter from spilling from fixing seal bearing holder (housing, cover) endoporus.Respectively process a set screw hole 4-2 at bearing cap 4 two ends, coordinate set screw 4-3 longitudinally can regulate the center of fixing seal bearing holder (housing, cover) 6, prevent worm screw 2 eccentric not dead with fixture pin 3.Bearing locking is easily caused in order to solve bearing wear, cause the defect that the overall dead pin of aluminium isostere cannot work, the design have employed two ball bearing 8 fixed conveyor, this structure can prevent the stuck rear out-of-work phenomenon of bearing well, after wearing and tearing stuck phenomenon appears in a bearing wherein, another bearing can replace work.The two ends of worm screw 2 are respectively equipped with hold-down nut 9 and diplopore location worm screw 10, and wherein, worm screw 10 side, diplopore location are provided with 2 endoporus, coordinate screw better to fix worm screw 2 respectively.
In order to improve machining accuracy and the stability of fixture further, the utility model designs fixture pin, one end of jewel fixture pin is syringe needle, the other end is backshank, pin hole 3-1 is provided with in syringe needle, pin hole of the prior art is bell mouth shape pin hole, and it is complex process not only, is also difficult to the concentricity ensureing needle body external diameter and pin hole 3-1 simultaneously.The design adopts straight hole centre bore, and namely pin hole 3-1 becomes cylindric, and this kind of syringe needle is also called straight hole syringe needle, the circumferential concentric at its pin hole 3-1 and syringe needle external diameter place; In order to make the jewel such as jewel, water drilling have better fixed effect, the diameter of pin hole 3-1 and the ratio of syringe needle external diameter are preferably 1:2-3; In addition, the design improves traditional backshank, changes taper backshank 3-3 into by straight tube backshank of the prior art; The longitudinal section of taper backshank 3-3 is isosceles trapezoid.This configuration reduces the frictional force between taper tail and afterbody cover plate when needle body rotates; Meanwhile, the design of taper tail decreases load when jewel fixture pin works, and stability is high, and the jewel water drilling size ground is even, and quality is high.Be provided with the pin tooth 3-2 matched with the worm screw 2 on jewel fixture between syringe needle with taper backshank 3-3, namely pin tooth 3-2 engages with worm screw 2; Needle body and taper backshank 3-3 joint are provided with annular snap film trap 3-4, and the card on itself and jewel fixture matches.When the upper bottom surface of taper backshank 3-3 and the angle of side, to be designed to 135 ° of results of use better.In the processing technology to fixture pin, the utility model adopts core type lathe in machining, and whole needle body processing one-time-reach-place, reduces the error existed when clamping, improve the overall concentricity of pin.
In order to realize better lubricating each parts of fixture and overcome the technological deficiency of leakage of oil, the utility model improves oil recess structure.In prior art, the oil pocket in fixture is by the top upper oil cavitie Q of isostere 1
1with in the middle part of isostere 1 for worm screw 2 is installed cavity in oil pocket Q
2form; The utility model is upper oil cavitie Q in reservation prior art
1with middle oil pocket Q
2basis on, also set up a lower oil cavitie Q
3.By arranging the cuboid oil storage tank 1-1 caved inward in the bottom of isostere 1, and coordinate monoblock type cover plate G, monoblock type cover plate G is provided with some screw hole G
1, be fixed in isostere 1 by screw by monoblock type cover plate G, the two ends of cuboid oil storage tank are sealed by bearing block 4, and notch is sealed by monoblock type cover plate G, form lower oil cavitie Q
3; Upper oil cavitie Q
1, middle oil pocket Q
2with lower oil cavitie Q
3two ends all sealed by the bearing block 4 matched with isostere 1 both ends of the surface; Upper, middle and lower three oil pockets arranged in isostere 1, upper oil cavitie Q
1the lubrication that can keep between thimble and isostere pin hole is set, when preventing thimble from rotating in pin hole wear and tear.Middle oil pocket Q
2arrange the pin tooth between worm screw 2 and fixture pin 3 can be kept to lubricate, dead pin after preventing the occlusion for a long time of fixture pin 3 and worm screw 2 from causing wearing and tearing; Lower oil cavitie Q
3the lubrication that can keep between card and fixture pin 3 backshank is set, prevent the wearing and tearing between card and backshank and cause fixture pin 3 to move up and down; Lower oil cavitie Q
3, middle oil pocket Q
2with lower oil cavitie Q
3between be communicated with respectively by fixture pin hole, form a unidirectional oil circuit outlet between three, namely flow to fixture pin 3 syringe needle direction.Aluminium row bottom adopts monoblock type cover plate G also to coordinate lower oil cavitie Q3, and the cover plate G on the tail end of the taper backshank 3-3 of fixture pin 3 and jewel fixture contacts; Because adopting taper backshank 3-3, lubricating oil will lubricate backshank, card and cover plate G better, improve the service life of fixture.The arranging of lower oil cavitie Q3 solves on the one hand leaks oil condition bottom cover plate for a long time, because needle body does not act on annular snap film trap by means of only card, needle body side direction is positioned on the other hand, also carry out longitudinal register further to bottom it, located the level height of fixture pin 3 well, grind the jewel water drilling quality come steady, size is even.
To in the processing technology of isostere, the utility model takes drilling technology after initial oxidation, aluminium is arranged after all manufacturing procedures process, stay hole operation of having an injection, then to aluminium row all can directly and the hole that communicates of the inner oil pocket of isostere and end flat seal, carry out low-temperature oxidation again, ensureing that aluminium is arranged inner oil pocket and is not oxidized i.e. upper oil cavitie and lower oil cavitie and is not oxidized, the wearing and tearing to drill bit can be reduced like this when punching.The aperture size be up to is even, easily controls the size of pin hole.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection domain of the present utility model.
Claims (9)
1. jewel fixture, mainly comprise isostere (1), isostere (1) bottom cover plate, the worm screw (2) be located in isostere (1), be provided with the fixture pin (3) of pin tooth, the pin tooth of fixture pin (3) engages with worm screw (2), it is characterized in that: described isostere (1) both ends of the surface are provided with bearing block (4) successively, outerplanar sealing ring (5), fixing seal bearing holder (housing, cover) (6), and be located in fixing seal bearing holder (housing, cover) (6) and be provided with plane endoporus sealing ring (7) and ball bearing (8); Described fixing seal bearing holder (housing, cover) (6) is positioned at bearing block (4) hole; Fixing seal bearing holder (housing, cover) (6) outerplanar is provided with annular groove, and for installing outerplanar sealing ring (5), fixing seal bearing holder (housing, cover) (6) endoporus plane is provided with step, for mounting plane endoporus sealing ring (7).
2. jewel fixture according to claim 1, is characterized in that: described ball bearing (8) is 2.
3. jewel fixture according to claim 1, it is characterized in that: described bearing block (4) two side plane is respectively equipped with set screw hole (4-2), set screw (4-3) is provided with, for longitudinally regulating the position of fixing seal bearing holder (housing, cover) (6) in set screw hole (4-2).
4. jewel fixture according to claim 1, is characterized in that: described isostere (1) bottom arranges oil storage tank (1-1), and described cover plate is monoblock type cover plate (G); The notch of oil storage tank (1-1) is fixedly connected with monoblock type cover plate (G), and two ends are carried out sealing by the bearing block (4) matched with isostere (1) both ends of the surface and formed lower oil cavitie (Q
3).
5. jewel fixture according to claim 1, is characterized in that: be provided with pin hole (3-1) in the syringe needle of described fixture pin (3), and pin hole (3-1) is straight hole centre bore; Described backshank is taper backshank (3-3); Needle body and taper backshank (3-3) joint are provided with annular snap film trap (3-4).
6. jewel fixture according to claim 5, is characterized in that: the described upper bottom surface of taper backshank (3-3) and the angle of side are 135 °.
7. jewel fixture according to claim 5, is characterized in that: the hole interior diameter of its pin hole of described syringe needle (3-1): syringe needle outside diameter=1:2-3.
8. jewel fixture according to claim 1, is characterized in that: described worm screw (2) one end is provided with diplopore location worm screw head (10) for fixing worm screw (2).
9. a kind of jewel fixture according to claim 1, is characterized in that the oil pocket of this jewel fixture is three, i.e. upper oil cavitie (the Q on isostere (1) top
1), isostere (1) middle part is for installing worm screw (2) and the middle oil pocket (Q lubricated the pin tooth of worm screw (2) and fixture pin (3)
2), and lower oil cavitie (Q
3), described lower oil cavitie (Q
3) monoblock type cover plate (G) that the cuboid oil storage tank that caves inward matches with its notch is set by isostere (1) bottom is fixedly connected with and forms; Its two ends are sealed by the bearing block (4) matched with isostere (1) both ends of the surface; Described upper oil cavitie (Q
1), middle oil pocket (Q
2) and lower oil cavitie (Q
3) be communicated with respectively by fixture pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695662.0U CN204183354U (en) | 2014-11-19 | 2014-11-19 | Jewel fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695662.0U CN204183354U (en) | 2014-11-19 | 2014-11-19 | Jewel fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204183354U true CN204183354U (en) | 2015-03-04 |
Family
ID=52615385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420695662.0U Expired - Fee Related CN204183354U (en) | 2014-11-19 | 2014-11-19 | Jewel fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204183354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308690A (en) * | 2014-11-19 | 2015-01-28 | 浙江华勇机械制造有限公司 | Gemstone clamp |
| CN109676466A (en) * | 2019-01-25 | 2019-04-26 | 浙江永耀机械科技有限公司 | The easy-to-mount brilliant drill grinding and polishing machine feed mechanism of abnormity |
-
2014
- 2014-11-19 CN CN201420695662.0U patent/CN204183354U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308690A (en) * | 2014-11-19 | 2015-01-28 | 浙江华勇机械制造有限公司 | Gemstone clamp |
| CN104308690B (en) * | 2014-11-19 | 2017-07-07 | 丽水市海卓科技有限公司 | Jewel fixture |
| CN109676466A (en) * | 2019-01-25 | 2019-04-26 | 浙江永耀机械科技有限公司 | The easy-to-mount brilliant drill grinding and polishing machine feed mechanism of abnormity |
| CN109676466B (en) * | 2019-01-25 | 2023-11-07 | 浙江永耀机械科技有限公司 | Feeding mechanism of special-shaped crystal drilling, grinding and polishing machine convenient to disassemble and assemble |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20151119 |
|
| EXPY | Termination of patent right or utility model |