CN109468676B - Hanging clamp for inner hole electroplating part - Google Patents
Hanging clamp for inner hole electroplating part Download PDFInfo
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- CN109468676B CN109468676B CN201811494082.4A CN201811494082A CN109468676B CN 109468676 B CN109468676 B CN 109468676B CN 201811494082 A CN201811494082 A CN 201811494082A CN 109468676 B CN109468676 B CN 109468676B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/06—Suspending or supporting devices for articles to be coated
- C25D17/08—Supporting racks, i.e. not for suspending
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Abstract
The invention discloses a hanging clamp for an inner hole electroplating part, which comprises: the clamp body is used for being connected with a power supply cathode and has conductive performance, the clamp body is provided with a through hanging hole, and the hanging hole is used for enabling a shaft shoulder of a part to be plated to abut against the clamp body after the part to be plated penetrates through the hanging hole so as to vertically suspend and support the part to be plated and form the same conductor with the part to be plated. The hanging fixture further comprises an anode component which is used for being connected with the power supply anode and has conductive performance, the upper end of the anode component is in insulation connection with the fixture body, and the lower end of the anode component is used for extending into a shaft hole of a part to be plated which is hung on the fixture body, so that power lines are uniformly distributed in the shaft hole, and the thickness of a plating layer on the surface of the shaft hole is uniform. The device also comprises a protective cylinder part, wherein the protective cylinder part is sleeved on the excircle of the shaft section to be protected, which is required to be protected, of the excircle of the part to be plated. The hanging fixture can ensure that the power lines are uniformly distributed in the shaft holes of the parts to be plated and ensure that the thickness of the electroplated layers on the surfaces of the shaft holes is uniform and consistent.
Description
Technical Field
The invention relates to the field of part tinning, in particular to a hanging clamp for an inner hole electroplating part.
Background
The tin plating layer has higher chemical stability in the atmosphere, is soft, has good ductility, screwing property and weldability, is generally used for the aspects of parts requiring improved welding performance, parts in contact with sulfur-containing nonmetal, oxygen system parts and the like, and can also be used for the aspects of reducing abrasion, preventing piston from being dead and improving the sealing property of precise threaded parts and the like.
The tin plating is generally divided into an alkaline tin plating process and an acidic tin plating process according to the difference of acid and alkali of a tin plating solution. Taking alkaline tin plating as an example, the part 10 to be plated is a cathode, and when electrified, the cathode reacts as follows:
and (3) cathode reaction: [ Sn (OH)6]2-+4e→Sn+6OH-
2H++2e→H2↑
And (3) anode reaction: sn +6OH--4e→[Sn(OH)6]2-
The part to be plated 10 is used as a cathode, a cathode reaction occurs, tin is deposited on the surface of the cathode part to form a tin plating layer, and the tin plating working principle is shown in figure 1.
The part must be installed and hung by selecting suitable conductive fixture in the part tin plating process, and the fixture is required to be capable of safely and reliably installing and hanging the part and simultaneously ensuring that good conductivity is always kept between the part and the electrode.
As shown in figure 2, the paddle shaft part is made of CrNiMoA, is large in outline size and heavy, and requires tin plating of all surfaces of the part except for the designated outer circle surface and the inner hole of the part. Because of the complicated part structure, there are following problems in part tin-plating process: the inner hole is slender and has a complex structure, so that the thickness of a tin coating on the surface of the inner hole is uneven; the parts are heavy, and the requirement on the rigidity of the hanging clamp is high; the part structure is complicated, does not have suitable general electrically conductive dress hanging jig.
Disclosure of Invention
The invention provides a hanging clamp for an inner hole electroplating part, which aims to solve the technical problem that when the existing hanging clamp is used for hanging a part to be plated for electroplating, the thickness of an electroplating layer on the surface of an inner hole of the part to be plated is not uniform.
The technical scheme adopted by the invention is as follows:
the utility model provides an inner hole is electroplated part and is hung anchor clamps with dress, treats to plate the part and is the hollow shaft tube-shape, treats to plate the shaft shoulder that has the evagination on the excircle of part, and dress hanging anchor clamps includes: the clamp body is used for being connected with a power supply cathode and has conductive performance, and is provided with a through hanging hole which is used for enabling a shaft shoulder of a part to be plated to abut against the clamp body after the part to be plated penetrates through the hanging hole so as to vertically suspend and support the part to be plated and form a same conductor with the part to be plated; the power line electroplating fixture is characterized by also comprising an anode component which is used for being connected with a power supply anode and has conductive performance, wherein the upper end of the anode component is in insulated connection with the fixture body, and the lower end of the anode component is used for extending into a shaft hole of a part to be plated, which is hung on the fixture body, so that power lines are uniformly distributed in the shaft hole to ensure that the thickness of an electroplated layer on the surface of the shaft hole is uniform; the device also comprises a protective cylinder part, wherein the protective cylinder part is sleeved on the excircle of the shaft section to be protected, which is required to be protected, of the excircle of the part to be plated.
Further, the fixture body comprises a hanging rack and a hanging disc detachably connected with the hanging rack; the hanging frame is hung on the conductive rod above the electroplating pool and is connected with a power supply cathode, so that the conductive rod, the hanging frame and the hanging disc form a reaction cathode; the hanging holes are distributed on the hanging plate; the upper end of the anode component is connected with the hanging rack in an insulating way, and the lower end of the anode component passes through the hanging hole and then vertically extends downwards.
Further, the hanging rack comprises a conductive hook which is used for being hooked on the conductive rod, and a hanging frame which is detachably connected with the lower end of the conductive hook; the hanging frame comprises two hanging rods which are oppositely arranged and vertically arranged, and a mounting rod connected between the two hanging rods; the upper end of the anode component is connected with the mounting rod in an insulating way; the hanging disc is detachably connected between the two hanging rods and is positioned below the mounting rod.
Furthermore, the bottom end of the hanging rod is bent upwards to form a hook; the hanging disc comprises an annular hanging ring, the excircle of the hanging ring is connected with two connecting rods which are oppositely arranged and the end parts of the two connecting rods are connected with the excircle of the hanging ring, and the end part of each connecting rod is connected with the hanging ring; the inner hole of the hanging ring is a hanging hole; the hanging disc is detachably connected with the hanging frame through the matching of hanging rings on the two sides of the hanging disc and the correspondingly arranged hooks.
Furthermore, a through mounting hole is formed in the mounting rod; the anode member comprises an anode rod vertically arranged in the mounting hole, and the lower end of the anode rod extends into a shaft hole of the part to be plated, which is hung in the hanging hole; an insulating bush for insulating the anode rod from the mounting rod is arranged on the excircle of the anode rod, and the insulating bush is clamped in the mounting hole; the anode rod is connected with an anode connecting piece, and the anode connecting piece is used for being connected with a power supply anode so that the anode connecting piece and the anode rod form a reaction anode.
Further, the anode connecting piece comprises a lead screw connected with the anode rod and an anode conducting wire connected with the lead screw; the anode conductive wire is used for connecting with the anode of the power supply.
Furthermore, the anode member also comprises a positioning ring made of insulating materials, and the positioning ring is arranged at the bottom end of the anode rod and connected with the bottom end of the part to be plated so as to prevent the anode rod from being in contact with the shaft hole of the part to be plated to cause short circuit.
Furthermore, the protective cylinder part comprises a protective cylinder which is made of elastic materials and is tightly sleeved on the excircle of the shaft section to be protected; the protection cylinder is used for being sleeved into the part to be plated from the lower end of the part to be plated and then tightly sleeved on the excircle of the correspondingly arranged shaft section to be protected.
Furthermore, the protective cylinder part comprises a protective cylinder which is used for hooping the excircle of the shaft section to be protected; the protective cylinder comprises a first half cylinder and a second half cylinder which are symmetrically split along the axis, and a locking hoop which hoops the first half cylinder and the second half cylinder.
Further, the locking hoop is a hoop made of a metal material; or the locking hoop is an elastic hoop ring made of elastic materials.
The invention has the following beneficial effects:
the hanging clamp for the inner hole electroplating part comprises a clamp body, wherein a hanging hole is formed in the clamp body, after the part to be plated penetrates through the hanging hole, a shaft shoulder of the part to be plated abuts against the clamp body, so that the clamp body vertically suspends and supports the part to be plated and forms the same electric conductor with the part to be plated, the clamp body has electric conductivity and is connected with a power supply cathode, the clamp body and the part to be plated form a reaction cathode for electroplating reaction, an electroplated layer is ensured to be normally deposited on the surface of the part to be plated, and the protection of the excircle of a shaft section to be protected is realized through a protection barrel part, so that the shaft section to be protected is not electroplated; the anode component has electric conductivity and is connected with the power supply anode, so that the anode component forms a reaction anode of electroplating reaction, and the lower end of the anode component extends into the shaft hole of the part to be plated hung on the fixture body, thereby enabling power lines to be uniformly distributed in the shaft hole of the part to be plated, further ensuring uniform thickness of an electroplated layer on the surface of the shaft hole, and solving the problems of long and thin inner hole and non-uniform thickness of an inner hole plated layer of the part with a complex structure.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a component tin plating;
FIG. 2 is a schematic cross-sectional structure view of a part to be plated;
FIG. 3 is a schematic cross-sectional structural view of an inner hole electroplating part clamping a part to be plated by a hanging clamp according to a preferred embodiment of the invention;
FIG. 4 is a schematic diagram of the right side view of the mounting frame of FIG. 3;
fig. 5 is a schematic top view of the hanging plate of fig. 3.
Description of the figures
10. A part to be plated; 101. a shaft shoulder; 102. a shaft hole; 11. shaft sections need to be protected; 20. a clamp body; 201. mounting a hanging hole; 21. mounting a hanging frame; 211. a conductive hook; 212. mounting a hanging frame; 2121. mounting a hanging rod; 2122. mounting a rod; 22. mounting a hanging disc; 221. mounting a hanging ring; 222. a connecting rod; 223. hanging a ring; 30. an anode member; 31. an anode rod; 32. an insulating bushing; 33. an anode connection member; 331. a lead screw; 332. an anode conductive line; 34. and (6) positioning rings.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 2 and 3, a preferred embodiment of the present invention provides a hanging fixture for an inner-hole electroplating part, wherein the part to be plated 10 is in a hollow cylindrical shape, and an outer circle of the part to be plated 10 has a convex shoulder 101, and the hanging fixture comprises: the fixture body 20 is used for being connected with a power supply cathode and has conductive performance, a through hanging hole 201 is formed in the fixture body 20, and the hanging hole 201 is used for enabling the shaft shoulder 101 of the part 10 to be plated to abut against the fixture body 20 after the part 10 to be plated penetrates through the hanging hole so as to vertically hang and support the part 10 to be plated and form the same conductor with the part 10 to be plated. The hanging fixture further comprises an anode member 30 which is used for being connected with a power supply anode and has electric conduction performance, the upper end of the anode member 30 is connected with the fixture body 20 in an insulation mode, and the lower end of the anode member 30 is used for extending into the shaft hole 102 of the part to be plated 10 hung on the fixture body 20, so that electric power lines are uniformly distributed in the shaft hole 102, and the thickness of a plating layer on the surface of the shaft hole 102 is uniform. The device also comprises a protective cylinder part, wherein the protective cylinder part is used for being sleeved on the excircle of the shaft section 11 to be protected on the excircle of the part 10 to be plated.
The hanging clamp for the inner hole electroplating part comprises a clamp body 20, wherein a hanging hole 201 is formed in the clamp body 20, after the part 10 to be plated penetrates through the hanging hole 201, a shaft shoulder 101 of the part 10 to be plated abuts against the clamp body 20, so that the clamp body 20 vertically hangs and supports the part 10 to be plated and forms the same electric conductor with the part 10 to be plated, the clamp body 20 has electric conductivity and is connected with a power supply cathode, the clamp body 20 and the part 10 to be plated form a reaction cathode of electroplating reaction, an electroplated layer is ensured to be normally deposited on the surface of the part 10 to be plated, and the outer circle of a shaft section 11 to be protected is protected through a protection barrel part, so that the shaft section 11 to be protected is ensured not to be electroplated; the hanging fixture further comprises an anode member 30, the upper end of the anode member 30 is connected with the fixture body 20 in an insulating mode, the lower end of the anode member 30 extends into the shaft hole 102 of the part 10 to be plated hung on the fixture body 20, the anode member 30 has electric conductivity and is connected with a power supply anode, so that the anode member 30 forms a reaction anode of an electroplating reaction, and the lower end of the anode member 30 extends into the shaft hole 102 of the part 10 to be plated hung on the fixture body 20, so that power lines can be uniformly distributed in the shaft hole 102 of the part 10 to be plated, the thickness of an electroplated layer on the surface of the shaft hole 102 is uniform, and the problems of long and thin inner holes and non-uniform thickness of the inner hole of the part with a complex structure are solved.
Alternatively, as shown in fig. 3, the fixture body 20 includes a hanging rack 21 and a hanging tray 22 detachably connected to the hanging rack 21. The hanging frame 21 is used for hanging on the conductive rod above the electroplating pool and is connected with the cathode of the power supply, so that the conductive rod, the hanging frame 21 and the hanging disc 22 form a reaction cathode. The hanging holes 201 are arranged on the hanging disc 22, and the hanging disc 22 is detachably connected with the hanging frame 21, so that the part 10 to be plated is conveniently hung on the fixture body 20. The upper end of the anode member 30 is connected to the hanging frame 21 in an insulated manner, and the lower end of the anode member 30 passes through the hanging hole 201 and then extends vertically downward.
In this alternative embodiment, as shown in fig. 3, the hanging frame 21 includes a conductive hook 211 for hooking on the conductive rod, and a hanging frame 212 detachably connected to a lower end of the conductive hook 211. Specifically, the upper end of the hanging frame 212 is screwed with the lower end of the conductive hook 211. The hanging frame 212 includes two hanging rods 2121 disposed oppositely and vertically, and a mounting rod 2122 connected between the two hanging rods 2121. The upper end of the anode member 30 is connected to the mounting rod 2122 in an insulated manner. The hanging plate 22 is detachably connected between the two hanging rods 2121 and is located below the mounting rod 2122.
Further, as shown in fig. 4 and 5, the bottom end of the hanging rod 2121 is bent upward to form a hook. The hanging disc 22 comprises an annular hanging ring 221, the outer circle of the hanging ring 221 is connected with two connecting rods 222 which are oppositely arranged and the end parts of which are connected with the outer circle of the hanging ring 221, and the end part of each connecting rod 222 is connected with a hanging ring 223. The inner hole of the hanging ring 221 is a hanging hole 201. The hanging disc 22 is detachably connected with the hanging frame 21 through the matching of the hanging rings 223 on the two sides of the hanging disc and the correspondingly arranged hooks, so that the hanging disc 22 is convenient to connect with the hanging frame 21 after hanging the part 10 to be plated. Furthermore, the clamp body 20 is made of conductive steel or copper, so that good conductivity of the part 10 to be plated in the electroplating process is ensured, the electroplating quality of the part to be plated on the outer surface of the part 10 to be plated is further ensured, meanwhile, the clamp body 20 has rigidity capable of bearing the weight of the part 10 to be plated, and the mounting and hanging are reliable.
Alternatively, as shown in fig. 3, the mounting rod 2122 is provided with a through mounting hole. The anode member 30 includes an anode rod 31 vertically installed in the installation hole, and a lower end of the anode rod 31 extends into the shaft hole 102 of the part to be plated 10 hung in the hanging hole 201. An insulating bush 32 for insulating the anode rod 31 from the mounting rod 2122 is installed on the outer circumference of the anode rod 31, and the insulating bush 32 is fitted in the mounting hole. An anode connection member 33 is connected to the anode rod 31, and the anode connection member 33 is adapted to be connected to a power supply anode such that the anode connection member 33 and the anode rod 31 form a reaction anode. By providing the insulating bush 32, not only the insulating connection between the anode rod 31 and the mounting rod 2122 is achieved, but also the connection between the anode rod 31 and the mounting rod 2122 is simple and easy to implement, and is easy to detach.
Further, as shown in fig. 3, the anode connection member 33 includes a lead pin 331 connected to the anode rod 31, and an anode conductive wire 332 connected to the lead pin 331. An anode conductive line 332 is used to connect to the power supply anode. The anode rod 31 can be conveniently and quickly connected with the power supply anode through the lead screw 331.
Optionally, as shown in fig. 3, the anode member 30 further includes a positioning ring 34 made of an insulating material, and the positioning ring 34 is mounted on the bottom end of the anode rod 31 and connected to the bottom end of the part to be plated 10 to prevent the anode rod 31 from contacting the shaft hole 102 of the part to be plated 10 and being short-circuited. Specifically, the retainer ring 34 is threaded to the bottom end of the part 10 to be plated. By providing the retainer ring 34, it is ensured that the anode rod 31 is vertical and does not contact with the inner wall of the shaft hole 102 of the part 10 to be plated. Preferably, the anode rod 31 extends along the axis of the shaft hole 102 of the part 10 to be plated under the action of the positioning ring 34, and the axis of the anode rod 31 coincides with the axis of the shaft hole 102, so that the thickness of the plating layer on the inner wall of the shaft hole 102 is uniform.
Preferably, in the hanging fixture for the inner hole electroplating part, except the contact part of the anode rod 31, the hanging disc 22 and the shaft shoulder 101 of the part to be plated 10 and the conductive hook 211, the outer surfaces of other parts are subjected to insulation treatment, so that the possibility that the fixture absorbs current is eliminated to the greatest extent, and the current density of the part to be plated 10 during electroplating is ensured to meet the process requirements.
Alternatively, in the first embodiment of the present invention, not shown, the protective sleeve member comprises a protective sleeve made of an elastic material and used for tightly sleeving the outer circle of the shaft segment 11 to be protected. The protection cylinder is used for being sleeved into the part to be plated 10 from the lower end of the part to be plated 10 and then tightly sleeved on the excircle of the correspondingly arranged shaft section 11 to be protected. Specifically, as shown in fig. 2, the part to be plated 10 includes a plurality of sections of shaft sections 11 to be protected, and a protecting tube is tightly sleeved on the outer circle of each section of shaft section 11 to be protected. In the invention, as the part to be plated 10 is a conical part with the outer diameter gradually increasing from the lower end to the upper end thereof, the protective cylinder part comprises an integrally formed protective cylinder, and the protective cylinder is made of an elastic material, so that the protective cylinder can be sleeved on the part to be plated 10 from the lower end of the part to be plated 10 and then tightly sleeved on the outer circle of the correspondingly arranged shaft section to be protected 11 through deformation. Specifically, the protective cylinder is a hollow sleeve made of rubber.
Alternatively, in a second embodiment of the invention, not shown, the protective sleeve member comprises a protective sleeve for tightening around the outer circumference of the shaft segment 11 to be protected, unlike the first embodiment. The protective cylinder comprises a first half cylinder and a second half cylinder which are symmetrically split along the axis, and a locking hoop which hoops the first half cylinder and the second half cylinder. Specifically, as shown in fig. 2, the part to be plated 10 includes a plurality of sections of shaft sections 11 to be protected, each of which has a protection tube fastened to the outer circumference of the shaft section 11 to be protected. Compared with the first embodiment of the invention, in the second embodiment of the invention, the protective cylinder comprises the first half cylinder and the second half cylinder which are symmetrically split along the axis, so that the protective cylinder is conveniently arranged on the outer circle of the correspondingly arranged shaft section 11 to be protected; the protective cylinder further comprises a locking hoop hooping the first half cylinder and the second half cylinder, the protective cylinder is convenient to open or lock through the locking hoop, the protective cylinder is easy to install and detach, and the using efficiency of the hanging clamp is improved. Preferably, a sealing strip is arranged on the contact surface of the first half cylinder and the second half cylinder and used for sealing the gap between the first half cylinder and the second half cylinder so as to prevent the electroplating solution from entering the protective cylinder.
Further, the locking clamp is a clamp made of a metal material. Preferably, be equipped with the indent on the excircle of a protection section of thick bamboo and be annular mounting groove, the clamp chucking prevents that the clamp from deviating from a protection section of thick bamboo in the mounting groove, and then improves the security that protection section of thick bamboo spare protected. Alternatively, the locking band is an elastic hoop ring made of elastic material. Specifically, the locking hoop is a rubber ring made of rubber materials, and the protective cylinder can be hooped through deformation of the rubber ring.
Optionally, in a third embodiment of the present invention, not shown in the drawings, since the part to be plated 10 includes a plurality of sections of shaft sections 11 to be protected, and a protection cylinder is tightly hooped on the outer circle of each section of shaft section 11 to be protected, specifically, the protection cylinder is formed by an insulating tape wound on the outer circle of each shaft section 11 to be protected, and the insulating tape is easy to operate and wind on the outer circle of the shaft section 11 to be protected.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an inner hole is electroplated part and is hung anchor clamps with dress, treats that plating part (10) are the hollow shaft tube-shape, the epaxial shaft shoulder (101) that have the evagination of excircle of treating plating part (10), its characterized in that, dress hanging clamp includes:
the clamp body (20) is used for being connected with a power supply cathode and has conductive performance, a through hanging hole (201) is formed in the clamp body (20), the hanging hole (201) is used for enabling a shaft shoulder (101) of the part (10) to be plated to abut against the clamp body (20) after the part (10) to be plated penetrates through the hanging hole, so that the part (10) to be plated is vertically suspended and supported, and the same conductive body is formed with the part (10) to be plated;
the electroplating fixture is characterized by further comprising an anode component (30) which is used for being connected with a power supply anode and has electric conduction performance, the upper end of the anode component (30) is connected with the fixture body (20) in an insulation mode, and the lower end of the anode component (30) is used for extending into a shaft hole (102) of the part to be plated (10) hung on the fixture body (20), so that power lines are uniformly distributed in the shaft hole (102) and the thickness of an electroplated layer on the surface of the shaft hole (102) is uniform;
the device is characterized by also comprising a protective cylinder part, wherein the protective cylinder part is used for being sleeved on the excircle of the shaft section (11) to be protected on the excircle of the part (10) to be plated, which needs to be protected;
the clamp body (20) comprises a hanging rack (21) and a hanging disc (22) detachably connected with the hanging rack (21); the hanging rack (21) is hung on a conductive rod above the electroplating pool and is connected with the power supply cathode, so that the conductive rod, the hanging rack (21) and the hanging disc (22) form a reaction cathode; the hanging holes (201) are arranged on the hanging disc (22), and the hanging disc (22) is detachably connected with the hanging frame (21), so that the part (10) to be plated is conveniently hung on the fixture body (20); the upper end of the anode component (30) is connected with the hanging rack (21) in an insulating way, and the lower end of the anode component (30) passes through the hanging hole (201) and then vertically extends downwards;
the hanging rack (21) comprises a conductive hook (211) which is used for being hooked on the conductive rod, and a hanging frame (212) which is detachably connected with the lower end of the conductive hook (211), and the upper end of the hanging frame (212) is in threaded connection with the lower end of the conductive hook (211); the hanging frame (212) comprises two hanging rods (2121) which are oppositely arranged and vertically distributed, and a mounting rod (2122) connected between the two hanging rods (2121); the upper end of the anode component (30) is connected with the mounting rod (2122) in an insulating way; the hanging disc (22) is detachably connected between the two hanging rods (2121) and is positioned below the mounting rod (2122);
the bottom end of the hanging rod (2121) is bent upwards to form a hook; the hanging disc (22) comprises an annular hanging ring (221), the excircle of the hanging ring (221) is connected with two connecting rods (222) which are oppositely arranged and the end parts of which are connected with the excircle of the hanging ring (221), and the end part of each connecting rod (222) is connected with a hanging ring (223); the inner hole of the hanging ring (221) is the hanging hole (201); the hanging disc (22) is detachably connected with the hanging rack (21) through the matching of the hanging rings (223) on the two sides of the hanging disc and the correspondingly arranged hooks, so that the hanging disc (22) is convenient to connect with the hanging rack (21) after hanging the part (10) to be plated; the clamp body (20) is made of conductive steel or copper, so that good conductivity of the part to be plated (10) in an electroplating process is ensured, the electroplating quality of a part to be plated on the outer surface of the part to be plated (10) needing electroplating is further ensured, and meanwhile, the clamp body (20) has rigidity capable of bearing the weight of the part to be plated (10), and the installation and hanging are reliable.
2. A mounting and hanging jig for an inner hole plating part according to claim 1,
the mounting rod (2122) is provided with a through mounting hole;
the anode member (30) comprises an anode rod (31) vertically arranged in the mounting hole, and the lower end of the anode rod (31) extends into a shaft hole (102) of the part (10) to be plated, which is arranged in the mounting hole (201);
an insulating bush (32) used for insulating the anode rod (31) and the mounting rod (2122) is arranged on the excircle of the anode rod (31), and the insulating bush (32) is clamped in the mounting hole;
the anode rod (31) is connected with an anode connecting piece (33), and the anode connecting piece (33) is used for being connected with the power supply anode, so that the anode connecting piece (33) and the anode rod (31) form a reaction anode.
3. A mounting and hanging jig for an inner hole plating part according to claim 2,
the anode connecting piece (33) comprises a lead nail (331) connected with the anode rod (31) and an anode conducting wire (332) connected with the lead nail (331);
the anode conductive line (332) is for connection to the power supply anode.
4. A mounting and hanging jig for an inner hole plating part according to claim 2,
the anode member (30) further comprises a positioning ring (34) made of an insulating material, wherein the positioning ring (34) is arranged at the bottom end of the anode rod (31) and connected with the bottom end of the part to be plated (10) so as to prevent the anode rod (31) from being in contact with the shaft hole (102) of the part to be plated (10) and being short-circuited.
5. A mounting and hanging jig for an inner hole plating part according to claim 1,
the protective cylinder part comprises a protective cylinder which is made of elastic materials and is tightly sleeved on the excircle of the shaft section (11) to be protected;
the protection cylinder is used for being sleeved into the part to be plated (10) from the lower end of the part to be plated (10) and then tightly sleeved on the excircle of the correspondingly arranged shaft section (11) to be protected.
6. A mounting and hanging jig for an inner hole plating part according to claim 1,
the protective cylinder part comprises a protective cylinder which is used for hooping on the excircle of the shaft section (11) to be protected;
the protective cylinder comprises a first half cylinder and a second half cylinder which are symmetrically split along the axis, and a locking hoop which hoops the first half cylinder and the second half cylinder.
7. A mounting and hanging jig for an inner hole plating part according to claim 6,
the locking hoop is made of a metal material; or
The locking hoop is an elastic hoop ring made of elastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494082.4A CN109468676B (en) | 2018-12-07 | 2018-12-07 | Hanging clamp for inner hole electroplating part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494082.4A CN109468676B (en) | 2018-12-07 | 2018-12-07 | Hanging clamp for inner hole electroplating part |
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| Publication Number | Publication Date |
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| CN109468676A CN109468676A (en) | 2019-03-15 |
| CN109468676B true CN109468676B (en) | 2020-08-25 |
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| CN201811494082.4A Active CN109468676B (en) | 2018-12-07 | 2018-12-07 | Hanging clamp for inner hole electroplating part |
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| CN110318087B (en) * | 2019-06-17 | 2021-05-25 | 安徽启明表面技术有限公司 | Electroplating hanger convenient for disassembling metal surface treatment |
| CN110243540B (en) * | 2019-06-28 | 2021-11-19 | 中国航发南方工业有限公司 | Rotor is protection casing for dynamic balance test and has its dynamic balance test machine |
| CN110592645B (en) * | 2019-09-23 | 2021-08-17 | 徐州徐工液压件有限公司 | Novel electroplating hanger for inner wall of oil cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1268789C (en) * | 2003-01-22 | 2006-08-09 | 上海大学 | Technique method for electroplating inner surfaces of gear wheel holes and dedicated equipments |
| 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 |
| CN203754832U (en) * | 2014-03-24 | 2014-08-06 | 东方电气集团东方汽轮机有限公司 | Device for simultaneously plating chrome for multiple small-size coaxial inner holes |
| CN104762651B (en) * | 2015-03-03 | 2017-08-25 | 吉林安德电化科技有限公司 | The plating inner surface production line and its electro-plating method of crystallizer |
| CN104818507B (en) * | 2015-04-02 | 2017-06-06 | 中航飞机股份有限公司西安飞机分公司 | A kind of method for preventing electrodeposited chromium layers blistering at interior barrel part slope |
| CN205474073U (en) * | 2016-04-12 | 2016-08-17 | 合肥长源液压股份有限公司 | Tube -shape work piece plating jig |
| CN106702451B (en) * | 2016-11-28 | 2018-08-31 | 中航飞机起落架有限责任公司 | The profound blind hole hard anodized device and processing method of part |
| CN206396344U (en) * | 2017-01-16 | 2017-08-11 | 长沙五七一二飞机工业有限责任公司 | A kind of internal diameter chromium plating servicing unit of booster outer barrel |
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