CN110923767B - Pre-plating ash removal device for cylinder electroplating - Google Patents
Pre-plating ash removal device for cylinder electroplating Download PDFInfo
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- CN110923767B CN110923767B CN201911245309.6A CN201911245309A CN110923767B CN 110923767 B CN110923767 B CN 110923767B CN 201911245309 A CN201911245309 A CN 201911245309A CN 110923767 B CN110923767 B CN 110923767B
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
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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
- C25D7/00—Electroplating characterised by the article coated
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Abstract
The invention discloses a pre-plating ash removal device for cylinder electroplating, which comprises an ash removal groove and an ultrasonic generation assembly, wherein the ultrasonic generation assembly comprises an energy exchange head and a driver, the energy exchange head is arranged at the lower outer side of the ash removal groove, and the ultrasonic generation direction of the energy exchange head is obliquely arranged to be opposite to the range of an inner hole of a workpiece after the ash removal groove is used for placing the workpiece; the invention avoids using a chemical ash removal mode and meets the requirement of environmental protection; meanwhile, a structure that the transduction rod is placed in an inner hole of a workpiece in the prior art is abandoned, the oblique energy conversion head is adopted, and ultrasonic waves directly act on the inner hole of the workpiece (the ash removal groove is close to the upper part), so that the ash removal requirement of most of the prior cylinder body pre-plating treatment can be met; the tool matched with the workpiece is matched, the production line does not need to be stopped, and different workpieces are replaced and directly installed on the device, so that the device is suitable for the existing workpieces with various sizes, seamless switching of products is realized, the capacity loss caused by line stopping is avoided, the delivery requirement is quickly met, the switching time of mature products is shortened to the minimum, and the capacity loss is reduced to the minimum.
Description
Technical Field
The invention relates to a component of a cylinder electroplating device, in particular to a pre-plating ash removal device for cylinder electroplating.
Background
The cylinder body is used as a main part of equipment such as an engine, a plunger pump, a reciprocating compressor and the like and is used for forming a working space together with the piston and the cylinder head; taking an engine as an example, the engine forms a combustion chamber and provides a motion track for the piston assembly, so that a power conversion environment is formed. In the process of guiding the piston to continuously reciprocate, the inner wall of the cylinder and the piston rub against each other for a long time at a high frequency, so that the useful power of the cylinder is reduced, and a part of energy is consumed. In order to solve the problems, electroplating is carried out on the inner wall, and an electroplating coating is used for replacing the cylinder sleeve to solve the problems. In the prior art, the circulating electroplating outside the tank ensures that cations on a plating layer are replaced in real time due to the formation of a flowing electroplating environment, the concentration of the plating layer is not different, the fluidity of the plating layer is stable and uniform, the compactness of the plating layer is ensured, and the electroplating quality is ensured.
The cylinder body electroplating needs a plating pretreatment, a phenomenon of ash hanging is generated more or less after the pretreatment acid etching and alkali etching, the bonding force of a plating layer can be obviously and badly influenced, and the ash on the inner hole of the cylinder is removed to be a necessary process so as to ensure the later process to be smoothly carried out. The existing ash removal before plating of dynamic electroplating generally adopts ultrasonic ash removal, the ash removal by ultrasonic can be almost suitable for all ash hanging materials encountered at present, and on the premise of enough ultrasonic power, the perfect ash removal effect can be realized, but the requirement on equipment capacity is high, the power of 100W/L is difficult to realize by domestic common ultrasonic vibration heads even if the ultrasonic vibration heads are fully distributed at the bottom and around the tank body, if the requirement is met, an ultrasonic transduction rod is required to be used, an energy source is directly arranged in a cylinder hole, and the power requirement can be met in the local space of the cylinder hole; however, under the same power requirement, the domestic ultrasonic transduction rod is often too thick in diameter and difficult to place in a cylinder hole, or even if the ultrasonic transduction rod can be placed in the cylinder hole, the gap is too small, and the ultrasonic transduction rod is easy to collide and interfere with a workpiece on a hanging basket. The imported ultrasonic transducer bar is expensive. Mainly, because the energy emission of the ultrasonic source is also in a sine wave shape, the dust removing effect with alternate intensity can be formed on the inner wall of the cylinder hole, and zebra stripes can appear in severe cases, the cylinder hole has to be moved once in the midway to change the intensity of vibration, so that the requirements on equipment manufacture and control are higher; and the structure that the transduction rod is arranged in the cylinder has poor universality, and particularly when a double-cylinder product is switched, the position of the transduction rod needs to be accurately adjusted due to different hole center distances. The switching operation is carried out once, the adjustment operation is carried out once, non-professional personnel cannot operate the operation, if the position is adjusted incorrectly, the workpiece is scratched slightly, and if the position is adjusted incorrectly, a collision accident occurs seriously, so that the production line is damaged seriously.
Therefore, the existing dust removing equipment before cyclic electroplating needs to be improved, the dust removing efficiency is high, the universality is realized, the dust removing equipment is suitable for workpieces with various sizes and double-cylinder workpieces with different hole pitches, the seamless switching of products is realized, the capacity loss caused by line stop is avoided, the delivery requirement is quickly met, the switching time of mature products is reduced to the minimum, and the capacity loss is reduced to the minimum.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a pre-plating ash removal device for cylinder electroplating, which has high ash removal efficiency and versatility, is suitable for workpieces of various sizes and different hole pitches, realizes seamless switching of products, avoids production capacity loss due to wire stoppage, quickly meets delivery requirements, minimizes switching time of mature products, and minimizes production capacity loss.
The invention discloses a pre-plating ash removal device for cylinder electroplating, which comprises an ash removal groove and an ultrasonic generation assembly, wherein the ultrasonic generation assembly comprises an energy conversion head (a vibration head) and a driver, the energy conversion head is arranged at the lower outer side of the ash removal groove, and the energy conversion head is obliquely arranged so that the ultrasonic generation direction (which refers to the main generation direction of the energy conversion head and can be understood as the central line of the energy conversion head) of the energy conversion head is opposite to the range of an inner hole of a workpiece after the ash removal groove is used for placing the workpiece; the energy conversion head is used for generating ultrasonic waves, the ultrasonic waves penetrate through the side wall of the ash removal groove and act on the space in the ash removal groove, the ultrasonic waves act in a range, and the inner hole of a workpiece is positioned in the range and can adapt to different sizes of workpieces; when the tool is used, a workpiece is placed in the ash removal groove through the tool, the workpiece is located in the range of the ultrasonic waves of the energy conversion head, and the ash removal effect is achieved through the ultrasonic waves; the energy-changing heads are arranged according to the ash removing effect to achieve the final required effect; because the transducing head is arranged outside the tank body, the workpiece can not be interfered, and the device can be suitable for workpieces with various parameters.
Furthermore, the two groups of energy conversion heads are divided into two groups which are arranged at two sides below the ash removal groove, and the two groups of energy conversion heads are inclined in opposite directions so that the ultrasonic generation direction of the two groups of energy conversion heads is over against the range of the inner hole of the workpiece after the workpiece is placed in the ash removal groove; the superposition of the ultrasonic waves emitted by the two groups of energy-exchanging heads at the same frequency is enhanced, the ash removal strength in the range where the workpiece is located is facilitated, the ash removal effect in the height can be guaranteed, the ash removal requirement of the cylinder body before plating treatment in most specifications at present can be met by matching tool design, the structure arrangement is compact, and the number and the power of the energy-exchanging heads can be arranged according to requirements.
Furthermore, the included angle between the ultrasonic generating directions of the two groups of the energy conversion heads is 45-75 degrees, the arrangement angle range can cover the range of required ash removal, and the better superposition effect is achieved, so that the overall intensity of ultrasonic waves is increased, and the efficiency is improved.
Furthermore, a V-shaped sinking groove with a V-shaped cross section is formed at the bottom of the ash removing groove, the two groups of energy-converting heads are respectively and correspondingly distributed on the two side groove walls of the V-shaped sinking groove, and the included angle between the two side groove walls of the V-shaped sinking groove is adapted to the included angle between the ultrasonic wave generating directions of the two groups of energy-converting heads; as shown in the figure, the end part of the energy conversion head is tightly attached to the outer sides of the two side groove walls of the V-shaped sunken groove, and the central line of the end part of the energy conversion head is perpendicular to the groove walls, so that the included angle between the two side groove walls of the V-shaped sunken groove is related to the included angle between the ultrasonic wave generating directions of the two groups of energy conversion heads, and the sum is 180 degrees.
Furthermore, the end parts of the two groups of energy-exchanging heads are arranged close to the outer sides of the groove walls at the two sides of the V-shaped sinking groove, and can be arranged as required to adjust the power of ultrasonic waves so as to achieve the final ash removal purpose.
Furthermore, two sets of transducing heads all contain a plurality of transducing heads, and every group transducing head divide into and arranges along fore-and-aft at least two, and the transducing head between at least two is vertical mutual staggered arrangement, the ash removal space that can compensate the appearance to guarantee comprehensive complete ash removal.
Furthermore, the energy conversion heads between adjacent rows of each group are crossed in the transverse direction, so that the ultrasonic waves further cover the position of the cylinder body, and no dead angle is formed for ash removal.
Further, the V-shaped sinking groove is flat, the horizontal width of the flat bottom is not more than 40mm, a stable V-shaped structure is formed, installation and transportation are facilitated, and meanwhile, the groove body, the energy conversion head and the tool are well supported.
Further, the depth of V-arrangement heavy groove is no longer than 90mm, and horizontal width should be able to hold the frock (be used for installing the work piece), and overall structure volume is less for the frock is easily placed, and makes the ultrasonic wave of both sides form the stack easily, thereby improves the ash handling efficiency.
Furthermore, the included angle between the two side groove walls of the V-shaped sinking groove is 120 degrees, the structure enables the ultrasonic wave emission directions of the energy conversion head to have most superposition, the integral ash removal efficiency is improved, and the low-pass required energy conversion head power is reduced; the energy conversion heads are arranged as far as possible downwards, namely, the energy conversion heads are arranged close to the bottom (flat bottom) of the V-shaped groove, and ultrasonic superposition in a longer range can be formed by combining the arrangement of included angles, so that the ash removal efficiency is further improved.
The invention has the beneficial effects that: the pre-plating ash removal device for cylinder electroplating avoids using a chemical ash removal mode, and meets the requirement of environmental protection; meanwhile, a structure that the transduction rod is placed in an inner hole of a workpiece in the prior art is abandoned, the oblique energy conversion head is adopted, and ultrasonic waves directly act on the inner hole of the workpiece (the ash removal groove is close to the upper part), so that the ash removal requirement of most of the prior cylinder body pre-plating treatment can be met; the tool matched with the workpiece is matched, the production line does not need to be stopped, and different workpieces are replaced and directly installed on the device, so that the device is suitable for the existing workpieces with various sizes, seamless switching of products is realized, the capacity loss caused by line stopping is avoided, the delivery requirement is quickly met, the switching time of mature products is shortened to the minimum, and the capacity loss is reduced to the minimum.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is a side view of FIG. 1 (with one side wall of the tank removed);
FIG. 3 is an expanded view of the V-shaped groove of the present invention;
fig. 4 is a view of a tooling (with a workpiece) that cooperates with the present invention.
Detailed Description
Fig. 1 is a structural sectional view of the present invention, fig. 2 is a side view of fig. 1 (with one side groove wall removed), fig. 3 is an expanded view of a V-shaped groove of the present invention, fig. 4 is a view of a tooling (with a workpiece) fitted with the present invention, as shown in the drawings: the pre-plating ash removal device for cylinder electroplating comprises an ash removal groove 1 and an ultrasonic generation assembly, wherein the ultrasonic generation assembly comprises an energy conversion head 3 (a vibration head) and a driver (used for driving the energy conversion head to generate ultrasonic waves, which belong to the prior art and are not described herein again), the energy conversion head 3 is arranged at the lower outer side of the ash removal groove 1, and is obliquely arranged to enable the ultrasonic generation direction (which is the main generation direction of the energy conversion head and can be understood as the central line of the energy conversion head) to be opposite to the range of an inner hole of a workpiece after the ash removal groove 1 is used for placing the workpiece; the energy conversion head is used for generating ultrasonic waves, the ultrasonic waves penetrate through the side wall of the ash removal groove and act on the space in the ash removal groove, the ultrasonic waves act in a range, and the inner hole of a workpiece is positioned in the range and can adapt to different sizes of workpieces; when the tool is used, a workpiece is placed in the ash removal groove through the tool, the workpiece is located in the range of the ultrasonic waves of the energy conversion head, and the ash removal effect is achieved through the ultrasonic waves; the energy-changing heads are arranged according to the ash removing effect to achieve the final required effect; because the transducing head is arranged outside the tank body, the workpiece can not be interfered, and the device can be suitable for workpieces with various parameters.
In the embodiment, the energy conversion heads 3 are divided into two groups which are arranged at two sides below the ash removal groove 1, and the two groups of energy conversion heads are inclined oppositely so that the ultrasonic generation direction of the two groups of energy conversion heads is over against the range of an inner hole of a workpiece after the workpiece is placed in the ash removal groove 1; the superposition of the ultrasonic waves emitted by the two groups of energy-exchanging heads at the same frequency is enhanced, the ash removal strength in the range where the workpiece is located is facilitated, the ash removal effect in the height can be guaranteed, the ash removal requirement of the cylinder body before plating treatment in most specifications at present can be met by matching tool design, the structure arrangement is compact, and the number and the power of the energy-exchanging heads can be arranged according to requirements.
In this embodiment, the included angle between the ultrasonic generation directions of the two groups of transducing heads 3 is 45 to 75 degrees, the arrangement angle range can cover the range of the required dust removal, and the arrangement angle range has a good superposition effect, so that the overall intensity of the ultrasonic waves can be increased, and the efficiency is improved, preferably 60 degrees.
In this embodiment, a V-shaped sinking groove 2 with a V-shaped cross section is formed at the bottom of the ash removing groove 1, the two groups of transducing heads are respectively and correspondingly distributed on two side groove walls of the V-shaped sinking groove 2, and an included angle between the two side groove walls (respectively, the groove wall 201 and the groove wall 202) of the V-shaped sinking groove 2 is adapted to an included angle between ultrasonic wave generating directions of the two groups of transducing heads 3; as shown in the figure, the end part of the energy conversion head 3 is tightly attached to the outer sides of the two side groove walls of the V-shaped sunken groove 2, and the central line is perpendicular to the groove walls, so that the included angle between the two side groove walls (the groove wall 201 and the groove wall 202) of the V-shaped sunken groove 2 is related to the included angle between the ultrasonic wave generating directions of the two groups of energy conversion heads, and the sum is 180 degrees, of course, the central line can not be perpendicular to the groove walls, the included angle of the ultrasonic wave generating directions is ensured, the invention purpose can be achieved, the structure is simple.
In this embodiment, the end portions of the two groups of energy-exchanging heads 3 are arranged close to the outer sides of the two side groove walls of the V-shaped sinking groove 2, and can be arranged as required to adjust the power of ultrasonic waves, so as to achieve the final ash removal purpose.
In this embodiment, the two groups of the energy conversion heads 3 each include a plurality of energy conversion heads, each group of the energy conversion heads 3 is divided into at least two rows arranged along the longitudinal direction, and the energy conversion heads 3 between adjacent rows are arranged in a staggered manner in the longitudinal direction, so that the ash removal gaps can be compensated, and therefore, complete ash removal is ensured; in this embodiment, each group of the transducing heads is two rows, and multiple rows can be adopted for achieving the efficient ash removing effect, which is not described herein again.
In the embodiment, the energy conversion heads 3 between the adjacent rows of each group are crossed in the transverse direction, so that the ultrasonic waves further cover the position of the cylinder body, and no dead angle is formed for ash removal;
as shown in the figure, the distribution of the energy exchange heads on the mounting positions 3a of the energy exchange heads 3 on the unfolded V-shaped sunken groove is shown.
In this embodiment, V-arrangement heavy groove 2 is flat, and the horizontal width of flat bottom is not more than 40mm, forms stable V-arrangement structure, and the installation and the transportation of being convenient for, simultaneously, forms better support to cell body, transducing head and frock.
In this embodiment, the depth of V-arrangement heavy groove 2 is no longer than 90mm, and horizontal width should be able to hold frock (be used for installing the work piece), and overall structure volume is less for the frock is easily placed, and makes the ultrasonic wave of both sides form the stack easily, thereby improves the ash handling efficiency.
In the embodiment, the included angle between the two side groove walls of the V-shaped sinking groove is 120 degrees, the structure enables the ultrasonic wave emission directions of the energy conversion head to have most superposition, the integral ash removal efficiency is improved, and the power of the energy conversion head required by low pass is reduced; the energy conversion heads are arranged as far as possible downwards, namely, the energy conversion heads are arranged close to the bottom (flat bottom) of the V-shaped groove, and ultrasonic superposition in a longer range can be formed by combining the arrangement of included angles, so that the ash removal efficiency is further improved.
Fig. 4 shows a tool 4 adapted to the present invention, wherein a workpiece 5 is clamped on a bottom plate 402 of the tool by a clamping assembly 401, and of course, there are many intermediate components, such as a compensation ring, a shielding ring, etc., which are not described herein again; when the tool is used, the tool is integrally placed in the ash removal groove 1, the bottom plate 402 is placed above the V-shaped groove, and ash removal is achieved through ultrasonic waves emitted by the energy conversion head 3; the tool can also adopt other structures, and the details are not repeated.
The plating outside the bath of the present invention refers to dynamic plating by circulating plating liquid outside the plating bath, and will not be described herein.
In this embodiment, an engine cylinder is taken as an example, and actually, the technical solution claimed in the present invention is not limited to the engine cylinder, but may be a compressor cylinder, a plunger pump cylinder, and other cylinders having similar structures, which are not described herein again. Moreover, the present invention is exemplified by the circular electroplating, and naturally, the present invention is also applicable to the pre-plating treatment in other electroplating modes, and the protection range naturally also relates to the pre-plating treatment in other electroplating, and the details are not described herein again.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. The utility model provides a dust collector before plating for cylinder body is electroplated which characterized in that: the ultrasonic wave generating assembly comprises an energy-converting head and a driver, wherein the energy-converting head is positioned at the lower outer side of the ash removing groove, and is obliquely arranged so that the ultrasonic wave generating direction of the energy-converting head is over against the range of an inner hole of a workpiece after the ash removing groove is used for placing the workpiece; the two groups of the energy conversion heads are arranged on two sides below the ash removal groove in an opposite inclining mode, so that the ultrasonic wave generating direction of the two groups of the energy conversion heads is opposite to the range of the inner hole of the workpiece after the workpiece is placed in the ash removal groove; the bottom of the ash removal groove forms a V-shaped sinking groove with a V-shaped cross section, the two groups of energy-converting heads are respectively and correspondingly distributed on the two side groove walls of the V-shaped sinking groove, and the included angle between the two side groove walls of the V-shaped sinking groove is suitable for the included angle between the ultrasonic wave generating directions of the two groups of energy-converting heads; the two groups of the energy conversion heads comprise a plurality of energy conversion heads, each group of the energy conversion heads are arranged in at least two longitudinal rows, and the energy conversion heads between the adjacent rows are arranged in a staggered mode in the longitudinal direction.
2. The pre-plating ash removal device for cylinder plating according to claim 1, characterized in that: and the included angle between the ultrasonic wave generating directions of the two groups of the energy conversion heads is 45-75 degrees.
3. The pre-plating ash removal device for cylinder plating according to claim 1, characterized in that: the end parts of the two groups of energy-exchanging heads are arranged close to the outer sides of the groove walls at the two sides of the V-shaped sinking groove.
4. The pre-plating ash removal device for cylinder plating according to claim 1, characterized in that: the transducing heads between said adjacent columns have a crossing in the transverse direction.
5. The pre-plating ash removal device for cylinder plating according to claim 4, characterized in that: the V-shaped sinking groove is a flat bottom, and the transverse width of the flat bottom is not more than 40 mm.
6. The pre-plating ash removal device for cylinder plating according to claim 5, characterized in that: the depth of the V-shaped sinking groove is not more than 90 mm.
7. The pre-plating ash removal device for cylinder plating according to claim 1, characterized in that: the included angle between the two side groove walls of the V-shaped sinking groove is 120 degrees, and the energy conversion heads are arranged as far as possible.
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| CN201911245309.6A CN110923767B (en) | 2019-12-06 | 2019-12-06 | Pre-plating ash removal device for cylinder electroplating |
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| CN201911245309.6A CN110923767B (en) | 2019-12-06 | 2019-12-06 | Pre-plating ash removal device for cylinder electroplating |
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| CN110923767B true CN110923767B (en) | 2021-03-02 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0612557A1 (en) * | 1993-02-25 | 1994-08-31 | Hoechst Aktiengesellschaft | Method and device for uniformly distributing a small amount of liquid on bulk goods |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1579593A1 (en) * | 1988-09-28 | 1990-07-23 | Предприятие П/Я В-2190 | Ultrasonic installation for degreasing internal cavities of filled-system transducers |
| CN2152196Y (en) * | 1993-02-08 | 1994-01-05 | 祁家毅 | Supersonic pulse ash-removing and coke-removing device |
| JP2996334B2 (en) * | 1994-03-30 | 1999-12-27 | 東北日本電気株式会社 | Ultrasonic degreasing equipment |
| US6812471B2 (en) * | 2002-03-13 | 2004-11-02 | Applied Materials, Inc. | Method of surface texturizing |
| CN204769752U (en) * | 2015-06-07 | 2015-11-18 | 南京维泰新材料科技有限公司 | Wiper mechanism in metal pipe fittings ungrease treatment |
| CN106870092A (en) * | 2017-03-28 | 2017-06-20 | 广西柳州方益建筑工程有限公司 | A kind of ash disposal blast pipe |
| CN206838633U (en) * | 2017-04-12 | 2018-01-05 | 山东益源环保科技有限公司 | Laboratory ultrasonic cleaning equipment |
| CN210974893U (en) * | 2019-12-06 | 2020-07-10 | 隆鑫通用动力股份有限公司 | Ultrasonic purification device before plating of cylinder body |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0612557A1 (en) * | 1993-02-25 | 1994-08-31 | Hoechst Aktiengesellschaft | Method and device for uniformly distributing a small amount of liquid on bulk goods |
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