CN102936744B - Chromium plating fixture for hole parts - Google Patents
Chromium plating fixture for hole parts Download PDFInfo
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- CN102936744B CN102936744B CN201210496276.4A CN201210496276A CN102936744B CN 102936744 B CN102936744 B CN 102936744B CN 201210496276 A CN201210496276 A CN 201210496276A CN 102936744 B CN102936744 B CN 102936744B
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- chromium plating
- mandrel
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- hole type
- casing
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Abstract
The invention discloses a chromium plating fixture for hole parts, which is capable of controlling the thickness of a chromium plating layer in a hole and improving chromium plating quality. The chromium plating fixture comprises an electrode and a hollow mandrel, wherein an insulation location sleeve is arranged in a hollow cavity of the mandrel, a drive wheel and a support frame are arranged on the mandrel, and a clamp for fixing a hole part is fixedly arranged at the lower end of the mandrel. After a power supply discharges, an ionization absorption loop is formed in the hole of the hole part, the thickness of the chromium plating layer in the hole can be effectively controlled through controlling the size of the current; in addition, the drive wheel is driven to rotate to drive the clamp and the hole part to rotate around the electrode, thereby stirring the solution in a solution pool and further improving the full dissolution of metal ions in a solvent and thoroughly avoiding deposition of chromium ions in the chromium plating process; and therefore, finish, caking ability and compactness after chromium plating are improved and chromium plating quality is better. The chromium plating fixture is suitable for popularization and application in the fields of the chromium plating fixtures.
Description
Technical field
The present invention relates to chromium plating frock field, especially a kind of chromium plating frock for hole type parts.
Background technology
For nuclear power product, a lot of product all requires to carry out chromium plating process to product surface, due to the singularity of nuclear power product, its chrome-faced specification of quality is very high, mainly contain some requirement following: one is that requirement surface smoothness is good, two is that requirement chromium coating even adhesion degree is good, and three is that requirement chromium coating good compactness surface hardness is high, and four is carry out directional property chromium plating to peculiar part specific position and chromium coating thickness is in zone of control.
At present, surface treatment for nuclear power product is all generally carry out in the following way, be about to need the part of chromium plating self to put into solution as electrode and carry out whole body chromium plating, this mode chromium ion in chrome-plating process there will be deposit itself, not only cannot ensure piece surface smooth finish and surface compact degree after chromium plating, more cannot carry out the directed and chromium coating thickness of scope to part portion to control effectively, especially for hole type parts, the chromium coating thickness in substantially uncontrollable aperture.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of can chromium coating thickness and the chromium plating frock for hole type parts of chromium plating quality can be improved in control punch.
The technical solution adopted for the present invention to solve the technical problems is: this is used for the chromium plating frock of hole type parts, comprise the mandrel of electrode and inner hollow, insulating positioning sleeve is provided with in the hollow cavity of mandrel, described insulating positioning sleeve and mandrel are rotatably assorted, mandrel is provided with driving wheel and bracing frame, described driving wheel is fixedly connected with mandrel, support frame as described above and mandrel are rotationally connected, described mandrel lower end is fixedly installed the fixture for fixing hole type parts, in using state, the Kong Bingyu insulating positioning sleeve of described electrode lead-throughs class part is fixedly connected with.
Be further, described fixture comprises the casing be fixedly connected with mandrel, in described casing, bolster is set, bolster one end is stretched out casing and is fixed by end cap and casing, the other end of bolster is provided with conical surface, the expansion sleeve for installing hole type parts is arranged with and expansion sleeve is fixed on casing in the bolster one end being provided with conical surface, expansion sleeve internal surface is provided with the inclined-plane suitable with conical surface, described casing is provided with electrode mounting hole, and electrode mounting hole place is provided with insulation tapered sleeve.
Further, the chromium plating hoop for fastening hole type parts is provided with in described casing.
Further, described mandrel is fixedly installed conducting plates, described conducting plates is positioned at below bracing frame, conducting plates is provided with multiple pillar, and the free end of pillar is fixedly connected with casing.
Further, described bottom half is provided with supporting leg.
Further, described insulating positioning sleeve, insulation tapered sleeve all adopt nylon jacket to be made.
The invention has the beneficial effects as follows: this is used for the chromium plating frock of hole type parts in use, utilize bracing frame frock to be placed on above solution pool and make fixture and hole type parts immerse in solution pool, then the anode of power supply is connected with electrode after insulating positioning sleeve imports, the negative electrode of power supply and frock self are connected, because electrode is using the hole being through hole type parts, so, ionization absorption loop can be formed in the hole of hole type parts after corona discharge, can the effective thickness of chromium coating in control punch by the size controlling electric current, and, driving driving wheel to rotate can drive fixture and hole type parts around electrode rotary, can stir the solution of solution pool, can increase metal ion molten long-pending in abundant dissolving and stop the deposit itself of chromium ion in chrome-plating process, thus smooth finish after raising chromium plating, caking ability, density, chromium plating quality is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for the chromium plating frock of hole type parts;
Fig. 2 is the structural representation of fixture of the present invention;
Description of symbols in figure: electrode 1, mandrel 2, insulating positioning sleeve 3, driving wheel 4, bracing frame 5, fixture 6, casing 61, bolster 62, conical surface 63, expansion sleeve 64, inclined-plane 65, insulation tapered sleeve 66, chromium plating hoop 7, conducting plates 8, pillar 9, supporting leg 10, hole type parts 11.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, 2, this is used for the chromium plating frock of hole type parts, comprise the mandrel 2 of electrode 1 and inner hollow, insulating positioning sleeve 3 is provided with in the hollow cavity of mandrel 2, described insulating positioning sleeve 3 is rotatably assorted with mandrel 2, mandrel 2 is provided with driving wheel 4 and bracing frame 5, described driving wheel 4 is fixedly connected with mandrel 2, support frame as described above 5 and mandrel 2 are rotationally connected, described mandrel 2 lower end is fixedly installed the fixture 6 for fixing hole type parts 11, in using state, described electrode 1 is fixedly connected with through the Kong Bingyu insulating positioning sleeve 3 of hole type parts 11.This is used for the chromium plating frock of hole type parts in use, first utilize fixture 6 to be fixed by hole type parts 11 and electrode 1 is fixed together through the hole of hole type parts 11 and insulating positioning sleeve 3, then utilize bracing frame 5 frock to be placed on above solution pool and make fixture 6 and hole type parts 11 immerse in solution pool, then the anode of power supply is connected with electrode 1 after insulating positioning sleeve 3 imports, the negative electrode of power supply and frock self are connected, because electrode 1 is using the hole being through hole type parts 11, so, ionization absorption loop can be formed in the hole of hole type parts 11 after corona discharge, can the effective thickness of chromium coating in control punch by the size controlling electric current, and, drive driving wheel 4 to rotate and fixture 6 and hole type parts 11 can be driven to rotate around electrode 1, can stir the solution of solution pool, can increase metal ion molten long-pending in abundant dissolving and stop the deposit itself of chromium ion in chrome-plating process, thus smooth finish after raising chromium plating, caking ability, density, chromium plating quality is better.
In the above-described embodiment, described fixture 6 can adopt existing nipper, as long as can be fixing on request by hole type parts 11, as preferably: described fixture 6 comprises the casing 61 be fixedly connected with mandrel 2, in described casing 61, bolster 62 is set, bolster 62 one end is stretched out casing 61 and is fixed by end cap and casing 61, the other end of bolster 62 is provided with conical surface 63, the expansion sleeve 64 for installing hole type parts 11 is arranged with and expansion sleeve 64 is fixed on casing 61 in bolster 62 one end being provided with conical surface 63, expansion sleeve 64 internal surface is provided with the inclined-plane 65 suitable with conical surface 63, described casing 61 is provided with electrode mounting hole, electrode mounting hole place is provided with insulation tapered sleeve 66, the fixture 6 of this structure is realized by mobile bearing axis 62 when retaining element, when installing hole type parts 11, hole type parts 11 is sleeved on expansion sleeve 64, because expansion sleeve 64 internal surface is provided with the inclined-plane 65 suitable with the conical surface 63 of bolster 62 one end and expansion sleeve 64 is fixed on casing 61, therefore, when pulling out bolster 62, the conical surface 63 of bolster 62 one end slides along the inclined-plane 65 in expansion sleeve 64, expansion sleeve 64 is expanded, and then make expansion sleeve 64 tightly touch hole type parts 11, play the object of retaining element, with end cap, itself and casing 61 are fixed together after bolster 62 moves, in addition, this fixture 6 is very convenient when mounting and dismounting part, moreover, arranging electrode mounting hole is conveniently installing electrodes 1, in order to prevent short circuit, insulation tapered sleeve 66 is provided with at electrode mounting hole place.In order to further fastening hole type parts 11, prevent hole type parts 11 from dropping or occur loosening in chrome-plating process, in described casing 61, being provided with the chromium plating hoop 7 for fastening hole type parts 11.
In chrome-plating process; frock self is general all charged as negative electrode, in order to protect operator that electric shock accidents occurs, described mandrel 2 is fixedly installed conducting plates 8; described conducting plates 8 is positioned at below bracing frame 5; conducting plates 8 is provided with multiple pillar 9, the free end of pillar 9 is fixedly connected with casing 61, in addition; by pillar 9, conducting plates 8 and casing 61 are fixed together; the intensity of frock can also be improved, ensure stability of rotation in fixture 6 and hole type parts 11 process, and then improve chromium plating quality.
In addition, for the ease of accommodating tool, bottom casing 61, be provided with supporting leg 10.
Moreover, described insulating positioning sleeve 3, insulation tapered sleeve 66 can adopt existing various insulating material to be made, as preferred mode of starving be: described insulating positioning sleeve 3, insulation tapered sleeve 66 all adopt nylon jacket to be made, nylon jacket has good electrical insulating property, can avoid the phenomenon be short-circuited in chrome-plating process.
Claims (5)
1. for the chromium plating frock of hole type parts, it is characterized in that: the mandrel (2) comprising electrode (1) and inner hollow, insulating positioning sleeve (3) is provided with in the hollow cavity of mandrel (2), described insulating positioning sleeve (3) and mandrel (2) are rotatably assorted, mandrel (2) is provided with driving wheel (4) and bracing frame (5), described driving wheel (4) is fixedly connected with mandrel (2), support frame as described above (5) and mandrel (2) are rotationally connected, described mandrel (2) lower end is fixedly installed the fixture (6) for fixing hole type parts (11), in using state, described electrode (1) is fixedly connected with through the Kong Bingyu insulating positioning sleeve (3) of hole type parts (11), described fixture (6) comprises the casing (61) be fixedly connected with mandrel (2), bolster (62) is set in described casing (61), bolster (62) one end is stretched out casing (61) and is fixed by end cap and casing (61), the other end of bolster (62) is provided with conical surface (63), the expansion sleeve (64) for installing hole type parts (11) is arranged with and expansion sleeve (64) is fixed on casing (61) in bolster (62) one end being provided with conical surface (63), expansion sleeve (64) internal surface is provided with the inclined-plane (65) suitable with conical surface (63), (61) are provided with electrode mounting hole with described casing, electrode mounting hole place is provided with insulation tapered sleeve (66).
2., as claimed in claim 1 for the chromium plating frock of hole type parts, it is characterized in that: in described casing (61), be provided with the chromium plating hoop (7) for fastening hole type parts (11).
3. as claimed in claim 2 for the chromium plating frock of hole type parts, it is characterized in that: described mandrel (2) is fixedly installed conducting plates (8), described conducting plates (8) is positioned at bracing frame (5) below, conducting plates (8) is provided with multiple pillar (9), the free end of pillar (9) is fixedly connected with casing (61).
4. as claimed in claim 3 for the chromium plating frock of hole type parts, it is characterized in that: described casing (61) bottom is provided with supporting leg (10).
5. according to the chromium plating frock for hole type parts in Claims 1-4 described in any one claim, it is characterized in that: described insulating positioning sleeve (3), insulation tapered sleeve (66) all adopt nylon jacket to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496276.4A CN102936744B (en) | 2012-11-29 | 2012-11-29 | Chromium plating fixture for hole parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496276.4A CN102936744B (en) | 2012-11-29 | 2012-11-29 | Chromium plating fixture for hole parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102936744A CN102936744A (en) | 2013-02-20 |
| CN102936744B true CN102936744B (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210496276.4A Active CN102936744B (en) | 2012-11-29 | 2012-11-29 | Chromium plating fixture for hole parts |
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| Country | Link |
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| CN (1) | CN102936744B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101866675B1 (en) * | 2014-06-27 | 2018-06-11 | 가부시키가이샤 무라타 세이사쿠쇼 | Plating device |
| CN105506696B (en) * | 2016-01-25 | 2017-12-12 | 黄曦雨 | One kind is used for aperture electro plating device and method on CRDM part |
| CN105603479B (en) * | 2016-01-26 | 2017-10-27 | 沈阳中科超硬磨具磨削研究所 | A kind of multiple tooth emery wheel electro-plating method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064901A (en) * | 1992-01-28 | 1992-09-30 | 胜利石油管理局总机械厂 | Deep-hole sizing chromate plating device and processing method |
| CN101012570A (en) * | 2006-12-22 | 2007-08-08 | 成都发动机（集团）有限公司 | Method for plating hard chrome on complex bore element and special fixture therefor |
| CN101514468A (en) * | 2009-02-19 | 2009-08-26 | 中国人民解放军装甲兵工程学院 | Device and method for inner bore type component brush plating |
| CN201940840U (en) * | 2011-01-27 | 2011-08-24 | 临汾华翔纬泰精工机械有限公司 | Elastic clamp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6416647B1 (en) * | 1998-04-21 | 2002-07-09 | Applied Materials, Inc. | Electro-chemical deposition cell for face-up processing of single semiconductor substrates |
-
2012
- 2012-11-29 CN CN201210496276.4A patent/CN102936744B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064901A (en) * | 1992-01-28 | 1992-09-30 | 胜利石油管理局总机械厂 | Deep-hole sizing chromate plating device and processing method |
| CN101012570A (en) * | 2006-12-22 | 2007-08-08 | 成都发动机（集团）有限公司 | Method for plating hard chrome on complex bore element and special fixture therefor |
| CN101514468A (en) * | 2009-02-19 | 2009-08-26 | 中国人民解放军装甲兵工程学院 | Device and method for inner bore type component brush plating |
| CN201940840U (en) * | 2011-01-27 | 2011-08-24 | 临汾华翔纬泰精工机械有限公司 | Elastic clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102936744A (en) | 2013-02-20 |
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Effective date of registration: 20170906 Address after: Shuangliu District of Sichuan province 610000 Avenue Chengdu City West four No. 909 in Hong Kong Patentee after: Chengdu Ruidi Machinery Technology Co. Ltd. Address before: West Port Avenue 610207 Sichuan city of Chengdu province Shuangliu County Southwest Airport Economic Development Zone No. 909 two Patentee before: Ruidi Machinery Ind Co., Ltd., Chengdu |
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Address after: Shuangliu District of Sichuan province 610225 Avenue Chengdu City West four No. 909 in Hong Kong Patentee after: Chengdu Ruidi Zhiqu Technology Co.,Ltd. Address before: Shuangliu District of Sichuan province 610000 Avenue Chengdu City West four No. 909 in Hong Kong Patentee before: CHENGDU REACH MACHINERY Co.,Ltd. |