CN109853015B

CN109853015B - Guide wheel for electroplating and electroplating equipment with same

Info

Publication number: CN109853015B
Application number: CN201711237853.7A
Authority: CN
Inventors: 杉本保彦; 菊川范夫; 桥场耕治; 柴田大介
Original assignee: YKK Corp
Current assignee: YKK Corp
Priority date: 2017-11-30
Filing date: 2017-11-30
Publication date: 2021-10-22
Anticipated expiration: 2037-11-30
Also published as: CN109853015A

Abstract

The invention discloses a guide wheel for electroplating and electroplating equipment with the guide wheel, wherein the guide wheel for electroplating is used for conducting electricity on a metal zipper wound on the guide wheel for electroplating so as to carry out electroplating, the guide wheel for electroplating is provided with a guide wheel body with a cylindrical side surface, the side surface is provided with a first concave part and a second concave part, the first concave part and the second concave part are inwards concave along the radial direction of the guide wheel body, the first concave part is communicated with the second concave part, and the first concave part and the second concave part are arranged in a crossed manner to form a plurality of supporting parts which are used for supporting the metal zipper. According to the guide wheel for electroplating of the invention, in the state that the metal zipper surrounds the guide wheel for electroplating, the contact area of the zipper teeth and the guide wheel body is reduced, so that more areas of the zipper teeth can be contacted with the electroplating solution flowing in the first concave part and the second concave part, thereby improving the electroplating efficiency and the electroplating effect.

Description

Guide wheel for electroplating and electroplating equipment with same

Technical Field

The invention relates to the technical field of electroplating equipment, in particular to a guide wheel for electroplating and electroplating equipment with the guide wheel.

Background

The zipper is one of daily articles, and is mainly divided into a plastic zipper with convenient manufacture and a metal zipper with higher cost, and the metal zipper is also widely used in the field of various clothes and bags, especially the requirements for colors are continuously improved in recent years, so that great demand is brought to surface electroplating of the metal zipper.

As seen in fig. 1 to 3, the metal zipper 30 includes a tape 20 and a zipper element 10 made of metal. The conventional fastener element 10 includes a body portion 11 having an upper leg portion 12 and a lower leg portion 13, and an engaging head portion 14 connected to the body portion 11. The fastener element 10 is fixed to the tape 20 by the upper leg portion 12 and the lower leg portion 13, and the coupling head 14 is adapted to be coupled with another fastener element 10 by a coupling head (not shown).

As disclosed in the' 200720053631.5 patent, the zipper wraps around a plating roller of a plating apparatus and completes the plating process. However, the surface of the conventional guide wheel for electroplating contacting the zipper is the outer cylindrical surface of the guide wheel, and the gap between the guide wheel for electroplating and the zipper is too small, so that less electroplating solution enters the gap, which results in poor electroplating effect and low electroplating efficiency.

Therefore, there is a need for a guide wheel for electroplating and an electroplating apparatus having the same to at least partially solve the above problems.

Disclosure of Invention

According to an aspect of the present invention, there is provided a guide wheel for plating, which is used for conducting electricity to a metal zipper wound around the guide wheel for plating, and is characterized in that the guide wheel for plating has a guide wheel body with a cylindrical side surface, the side surface has a first concave portion and a second concave portion, the first concave portion and the second concave portion are recessed inward in a radial direction of the guide wheel body, the first concave portion is communicated with the second concave portion, and the first concave portion and the second concave portion are arranged in a crossing manner to form a plurality of supporting portions for supporting the metal zipper.

According to the guide wheel for electroplating, the guide wheel body comprises the first concave part and the second concave part, the first concave part and the second concave part reduce the area of the contact part of the guide wheel body and the metal zipper, and the area of the contact part of the zipper teeth and the guide wheel body is reduced in the state that the metal zipper surrounds the guide wheel for electroplating, so that more areas of the zipper teeth can be contacted with the electroplating solution flowing in the first concave part and the second concave part, and the electroplating efficiency and the electroplating effect can be improved.

Optionally, the first recess and the second recess are each configured as a groove.

Thereby, the first recess and the second recess configured as grooves facilitate manufacturing by machining, for example, cutting, grinding, etc.

In this context, the term "recess" refers to a depression formed concavely radially inward from the side surface of the guide wheel, which may be machined by means of, for example, cutting, grinding, or rolling. The term "groove" refers to those "recesses" whose cross-sectional shape perpendicular to the extending direction remains unchanged, wherein the "extending direction" herein refers to a direction extending along the side surface of the guide wheel, such as the "axial direction", "circumferential direction", etc., specifically referred to in the embodiments hereinafter, rather than a direction recessed inward in the radial direction of the guide wheel. The "grooves" may be formed by machining such as cutting or grinding. Further, in this context, the "side surface" of the guide wheel refers to the circumferential surface of the guide wheel, and does not include the end surface.

Alternatively, the cross-sectional shape of the support portion is substantially trapezoidal, rectangular, or trapezoidal or rectangular with curved sides.

Thereby, the support portion can be provided in a desired shape as needed.

Optionally, the cross-sectional shape of the first recess and/or the second recess is substantially triangular, trapezoidal, rectangular, or triangular, trapezoidal, or rectangular with curved sides.

Thereby, the first recess and/or the second recess may be provided in a desired shape as needed, and the manufacturing may be facilitated.

Optionally, the first recess extends in an axial direction of the stator body.

This promotes the flow of the plating solution.

Optionally, the metal zipper comprises zipper teeth, the zipper teeth comprise a body part and an engagement head part connected with the body part,

the dimension of the support surface of at least one of the support portions in the circumferential direction of the stator body is smaller than the dimension of the body portion in the circumferential direction, and/or

The distance between the supporting surfaces of the two adjacent supporting parts along the circumferential direction of the guide wheel body is smaller than half of the tooth pitch of the zipper teeth.

Thereby, the support surface of the support portion can be reduced and the individual body portion can be prevented from being caught in the first recess.

Optionally, the second recess is disposed circumferentially of the stator body.

This promotes the flow of the plating solution.

Optionally, the support portion is configured as a portion of a cylinder.

This promotes the flow of the plating solution, and the smooth surface of the cylindrical support portion can reduce the resistance between the plating guide wheel and the plating solution when the plating guide wheel rotates.

Alternatively, the metal slide fastener includes first and second fastener elements that are disposed opposite to each other and are capable of engaging with each other, and the first and second fastener elements cover at least one of the second concave portions, respectively, in a state where the metal slide fastener is wound around the plating guide pulley.

Thereby, the surface of each of the first fastener element and the second fastener element facing the guide wheel body can have a larger area for contact with the plating solution.

Alternatively, the engaged position of the first fastener element and the second fastener element covers the other of the second concave portions.

Thereby, the surfaces of the first fastener tooth and the second fastener tooth at the meshing position each facing the guide wheel body can have a larger area for contact with the plating solution.

Optionally, the support portion is configured as a portion of a sphere.

Thus, the smooth surface of the spherical support part can reduce the resistance between the plating guide wheel and the plating solution when the plating guide wheel rotates, and the flow of the plating solution can be promoted.

Optionally, the spheres have a diameter of 1-10 mm.

Therefore, the contact area between the supporting part and the zipper teeth can be reduced, and meanwhile, the electroplating effect can be ensured.

Optionally, the sphere has a diameter of 2-6 mm.

Therefore, the contact area between the supporting part and the zipper teeth can be reduced, and the electroplating effect can be better ensured.

Optionally, the maximum distance of the ball in the radial direction of the stator body is 40-70% of the diameter of the ball.

Optionally, the maximum distance is 40-50% of the diameter of the sphere.

Thus, processing can be facilitated.

Optionally, the first recess is arranged to intersect both axially and circumferentially of the stator body; and the second recess is provided so as to intersect both the axial direction and the circumferential direction of the stator body.

This promotes more uniform and easier flow of the plating liquid in both the first concave portion and the second concave portion.

Optionally, an included angle between the first concave portion and the second concave portion is 45-135 degrees.

Optionally, an angle between the first recess and an axial direction of the stator body is 45-90 degrees; and/or the angle between the second recess and the axial direction of the stator body is 45-90 degrees.

This can further promote the plating liquid to flow more uniformly and easily in both the first concave portion and the second concave portion.

Optionally, the maximum width of the second recess is 1.5-2 mm.

This promotes the flow of the plating solution.

Optionally, an axial end of the guide wheel body is provided with a limiting portion protruding from the guide wheel body in the radial direction, so as to limit the metal zipper wound around the electroplating guide wheel to move in the axial direction of the electroplating guide wheel.

Thereby, the metal zipper wound on the guide wheel body can be positioned.

Optionally, the dimension of the support surfaces of all the support portions in the circumferential direction of the idler body is smaller than the dimension of the body portion in the circumferential direction.

Therefore, the supporting surfaces of all the supporting parts can be reduced, and a better electroplating effect can be obtained.

According to another aspect of the invention, an electroplating device is provided for electroplating the metal zipper, and the electroplating device comprises the electroplating guide wheel.

According to the present invention, the plating apparatus includes the plating guide roller including the guide roller body having the first concave portion and the second concave portion, the first concave portion and the second concave portion reduce the area of the portion of the guide roller body in contact with the metal zipper, and in a state where the metal zipper surrounds the plating guide roller, the area of the zipper teeth in contact with both the guide roller body is reduced, whereby more areas of the zipper teeth can be in contact with the plating solution flowing in the first concave portion and the second concave portion, thereby enabling to improve the plating efficiency and the plating effect.

Drawings

The present invention may be more readily understood, and a more complete understanding obtained by reference to the following detailed description when taken in conjunction with the accompanying drawings, wherein:

fig. 1 is a perspective view of a conventional fastener element;

fig. 2 is a side view of an engaged state of the fastener elements and the tapes shown in fig. 1;

FIG. 3 is a front view of the zipper in a occluded state;

FIG. 4 is a perspective view of a guide wheel for electroplating according to a first embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a front view of the electroplating guide wheel shown in FIG. 4;

FIG. 7 is a partially sectional view schematically showing a state in which the slide fastener is wound around the plating guide pulley shown in FIG. 6;

FIG. 8 is a perspective cross-sectional view of the plating guide wheel shown in FIG. 4;

FIG. 9 is a side view of the electroplating guide wheel shown in FIG. 8;

fig. 10 is an enlarged view at B in fig. 9, in which a fastener element is schematically shown;

FIG. 11 is a perspective view of a plating guide wheel according to a second embodiment of the present invention;

FIG. 12 is a front view of the plating guide wheel shown in FIG. 11;

FIG. 13 is a cross-sectional view of the plating guide wheel shown in FIG. 11;

FIG. 14 is a side view of the electroplating guide wheel shown in FIG. 13;

fig. 15 is a perspective view of a plating guide wheel according to a third embodiment of the present invention;

FIG. 16 is a front view of the electroplating guide wheel shown in FIG. 15;

FIG. 17 is a cross-sectional view of the plating guide wheel shown in FIG. 15;

FIG. 18 is a side view of the electroplating guide wheel shown in FIG. 17;

fig. 19 is a perspective view of a plating guide wheel according to a fourth embodiment of the present invention;

FIG. 20 is a front view of the electroplating guide wheel shown in FIG. 19;

FIG. 21 is a cross-sectional view of the plating guide wheel shown in FIG. 19;

FIG. 22 is a side view of the electroplating guide wheel shown in FIG. 21;

fig. 23 is a perspective view of a guide wheel for plating according to a fifth embodiment of the present invention;

FIG. 24 is a front view of the plating guide wheel shown in FIG. 23, schematically illustrating a slide fastener; fig. 25 is a perspective view of a guide wheel for plating according to a sixth embodiment of the present invention;

FIG. 26 is a front view of the plating guide wheel shown in FIG. 25;

fig. 27 is a perspective view of a guide wheel for plating according to a seventh embodiment of the present invention;

FIG. 28 is a front view of the plating guide wheel shown in FIG. 27;

fig. 29 is a perspective view of a guide wheel for plating according to an eighth embodiment of the present invention;

FIG. 30 is a front view of the plating guide wheel shown in FIG. 29;

fig. 31 is a perspective view of a guide wheel for plating according to a ninth embodiment of the present invention; and fig. 32 is a perspective view schematically illustrating a guide wheel for plating according to a tenth embodiment of the present invention.

Description of reference numerals:

10: fastener element 11: body part

12: upper leg portion 13: lower leg part

14: the bite head 20: cloth belt

30: metal zipper

100. 200, 300, 400, 500, 600, 700, 800, 900, 1000: guide wheel for electroplating

110. 210, 310, 410, 510, 610, 710: the first groove

120. 220, 320, 420, 520, 620, 720: second groove

130. 230, 330, 430, 530, 630, 730, 830: supporting part

140. 240, 340, 440, 540, 640, 740, 840, 1040: restricting part

150. 250, 350, 450, 550, 650, 750, 850, 950, 1050: central shaft hole

160. 260, 360, 460, 560, 660, 760, 860, 1060: guide wheel body

110 a: groove bottom 110 b: wall of the tank

110c first imaginary line 810: first concave part

820: second concave part

Detailed Description

In the following discussion, details are given to provide a more thorough understanding of the present invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details. In certain instances, well known features have not been described in detail in order to avoid obscuring the invention. It is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like are used herein for purposes of illustration only and are not to be construed as limiting.

Specific embodiments of the present invention will now be described in more detail with reference to the accompanying drawings, which illustrate representative embodiments of the invention and do not limit the invention.

The plating guide pulley 100 according to the present invention can be used in a plating apparatus to plate a metal zipper 30. For example, the apparatus for plating may include a cylinder for placing a plating solution to perform plating, and the guide wheel 100 for plating is provided in the cylinder. The metal zipper 30 including the zipper teeth 10 made of metal can be wound around the plating guide roller 100. A plurality of plating guide rollers may be provided in each cylinder in the feeding direction, and the metal slide fastener 30 may be wound around only approximately half a turn on each plating guide roller 100. Further, a plurality of plating guide rollers 100 may be provided in parallel in a direction perpendicular to the feeding direction, so that a plurality of metal zippers 30 may be fed in parallel. The plating guide roller 100 is connected to the cathode, and the plating solution in the cylinder is connected to the anode, thereby plating the fastener element 10. It is easily understood that the plating use guide wheel 100 is made of a conductive material such as metal.

First embodiment

As shown in fig. 4, the plating use sheave 100 according to the first embodiment has a substantially cylindrical sheave body 160. The circumferential surface of idler body 160 is referred to as a side surface, which is in the form of a cylindrical surface.

Referring to fig. 4 and 5, the side surface of the stator body 160 has a first recess extending in the axial direction Da of the stator body 160. The first recess is recessed inwardly in a radial direction Dr of the stator body 160 to form a groove. Accordingly, the first recess may also be referred to as the first groove 110. Further, the side surface of the stator body 160 has a second recess extending in the circumferential direction Dc of the stator body 160. The second recess is recessed inwardly in a radial direction Dr of the stator body 160 to form a groove. Therefore, the second recess may also be referred to as a second groove 120. The first and

second grooves

110, 120 may or may not be recessed inward in the radial direction Dr of the stator body 160 to the same depth.

It should be noted that such grooves may be machined, for example, by cutting or grinding. Further, as will be described in detail below, the grooves may have different cross-sectional shapes.

As shown in fig. 4, the first groove 110 extending in the axial direction Da of the stator body 160 is provided to intersect the second groove 120 extending in the circumferential direction Dc of the stator body 160, so that the plating liquid can smoothly flow in the first groove 110 and the second groove 120.

The first and

second grooves

110 and 120 cut the side surface of the guide wheel body 160 into a plurality of support portions 130 spaced apart from each other. In the present embodiment, the supporting portion 130 is a substantially polyhedral protrusion protruding from the bottom of the first and

second grooves

110 and 120. In a state where the metal zipper 30 is wound around the plating use guide pulley 100, the top surface (i.e., the support surface) of the support part 130 can support the metal zipper 30 and is in contact with the zipper teeth 10 of the metal zipper 30 for electrically transmitting the cathode to the zipper teeth 10.

Since the first groove 110 and the second groove 120 communicating with each other are provided, the guide pulley 100 for plating according to the present embodiment reduces the area of the portion of the guide pulley body 160 of the guide pulley 100 for plating contacting the metal slide fastener 30. In other words, in a state where the metal zipper 30 surrounds the plating guide pulley 100, the contact area of the zipper teeth 10 with both of the guide pulley bodies 160 of the plating guide pulley 100 is reduced, and more areas of the zipper teeth 10 can be contacted with the plating solution flowing in the first and

second grooves

110 and 120, thereby improving the plating efficiency and the plating effect.

Still referring to fig. 7, preferably, the metal zipper 30 includes a first zipper element 10a and a second zipper element 10b which are oppositely disposed and can be engaged with each other, and the first zipper element 10a and the second zipper element 10b respectively cover one second groove 120 in a state where the metal zipper 30 is wound around the plating use guide pulley 100. This ensures that the surfaces of the first fastener element 10a and the second fastener element 10b, respectively, facing the guide roller body 160 can have a larger area for contact with the plating solution. Of course, in other embodiments, the first fastener element 10a and the second fastener element 10b may cover two or more second grooves 120, respectively.

Further, as shown in fig. 7, the coupling position of the first and

second fastener elements

10a and 10b may cover another second groove 120, so that the surface of each of the first and

second fastener elements

10a and 10b at the coupling position toward the guide pulley body 160 can have a larger area for contact with the plating solution.

As can be seen in fig. 9 and 10, the first groove 110 of the guide wheel 100 for plating according to the first embodiment may include a groove bottom 110a and two groove walls 110 b. The cross-sectional shape of first groove 110 (i.e., the shape of first groove 110 in a plane perpendicular to axial direction Da of stator body 160) is substantially rectangular. Here, the "cross-sectional shape" of the first groove 110 refers to a shape surrounded by the groove bottom 110a, the two groove walls 110b, and the first imaginary line 110c on a plane perpendicular to the extending direction of the first groove 110. In the present embodiment, the extending direction of the first groove 110 is parallel to the axial direction Da of the stator body 160. The first imaginary line 110c can be regarded as a projection of a part (a part of a cylindrical surface) of the side surface of the guide wheel body 160 on a plane perpendicular to the extending direction of the first groove 110. In addition, the projection of the groove bottom 110a in the cross section of the first groove 110 may be an arc line segment or a straight line segment.

Thus, in the illustrated embodiment, the cross-sectional shape of the support portion 130 taken along the direction in which the first groove 110 extends is substantially rectangular.

Similarly, as can be seen in fig. 6 and 7, it is readily understood that the second groove 120 also includes a groove bottom and a groove wall. Therefore, the cross-sectional shape of the second groove 120 can be regarded as a shape surrounded by the groove bottom of the second groove, the two groove walls, and the second imaginary line. The second imaginary line is a projection of a part of the side surface (a part of the cylindrical surface) of the stator body 160 on a plane perpendicular to the extending direction of the second groove 120. In the present embodiment, the extending direction of the second groove 120 is along the circumferential direction of the stator body 160 and perpendicular to the axial direction Da of the stator body 160. As can be seen, the cross-sectional shape of the second groove 120 is substantially trapezoidal, and the sides of the trapezoid gradually taper from outside to inside along the radial direction Dr of the stator body 160, which facilitates manufacturing. Further optionally, the maximum width of the second groove 120 is 1.5-2 mm. Of course, the cross-sectional shape of the second groove 120 may be a scalene trapezoid, a right-angled trapezoid, an equilateral trapezoid, or a trapezoid having curved sides.

Of course, in other embodiments, the cross-sectional shape of the first groove 110 and the cross-sectional shape of the second groove 120 may also be substantially triangular, rectangular, or triangular, trapezoidal, or rectangular with curved sides. The shape of the support part is changed accordingly. A detailed description of some of the variations will be given later.

With continued reference to fig. 10, in order to enable a portion of the body portion 11 to be supported by the support portions 130 and electrically communicate with the cathode and another portion to be contacted by the plating solution to enhance the plating effect, a dimension D1 of the support surface of at least one of the support portions 130 in the circumferential direction Dc of the guide wheel body 160 is smaller than a dimension D3 of the body portion 11 in the circumferential direction Dc. Further, in order to enable the area of the support surface to be reduced uniformly, the dimension D1 of the support surface of each support portion 130 in the circumferential direction Dc of the wheel body 160 may be smaller than the dimension D3 of the body portion 11 in the circumferential direction. In other words, D3 herein is the size of the body portion of the fastener element, and D3 is substantially uniform for all the fastener elements of each fastener; and D1 is the size of the supporting surface for supporting the slide fastener, and each supporting portion may be configured to have the same D1 or different D1 as necessary for each plating-use guide pulley 100. Obviously, when the more the D1 of the supporting part is smaller than the D3, the better plating effect can be obtained.

Further, in order to prevent the fastener element 10 from entering the first groove 110, a pitch D2 between the support surfaces of the adjacent two support portions 130 in the circumferential direction Dc of the guide wheel body 160 is smaller than half of the pitch of the fastener element 10. Specifically, the body portions 11 of adjacent two fastener elements 10 on the same tape 20 have a pitch D5 therebetween, and the pitch D5 is used to receive and engage another fastener element 10 (shown by a dotted line in fig. 10) on the other tape 20 on the opposite side. As can be seen in the drawing, in the engaged state, the distance between the body portion 11 of one fastener element 10 on one tape 20 and the body portion 11 of another fastener element 10 on the other tape 20 engaged therewith is D4. D5 is approximately equal to twice D4. In other words, a distance D2 between the support surfaces of the adjacent two support portions 130 in the circumferential direction Dc of the guide wheel body 160 is smaller than half of the pitch D5 of the fastener element 10, i.e., D4.

Returning to fig. 7, it is preferable that the end of the guide wheel body 160 in the axial direction Da is provided with a limiting portion 140 protruding from the guide wheel body 160 in the radial direction Dr for limiting the movement of the metal zipper 30 wound around the guide wheel 100 in the axial direction Da of the guide wheel 100 for positioning. In an embodiment not shown, the guide wheel body 160 may not have the limiting portion 140, but limit the position of the metal zipper 30 by other means, for example, by a separately provided limiting structure or the like.

As can be seen from fig. 4 and 8, the plating jockey wheel 100 is further provided with a central shaft hole 150, and the plating equipment has a shaft provided to extend through the central shaft hole 150, and the plating jockey wheel 100 is rotatable about the shaft as a rotation center.

Second embodiment

A guide wheel 200 for plating according to a second embodiment will be described below with reference to fig. 11 to 14. Here, for the sake of brevity, the same structure as in the first embodiment will be described only briefly or will not be described again.

The plating stator 200 includes a substantially cylindrical stator body 260, a first groove 210 extending in the axial direction Da of the stator body 260, a second groove 220 extending in the circumferential direction Dc of the stator body 260, a support portion 230, a restricting portion 240 located at an end portion in the axial direction Da of the stator body 260, and a central shaft hole 250 penetrating through the plating stator 200 in the axial direction Da of the plating stator 200.

As shown in fig. 14, the supporting portion 230 of the guide wheel 200 for plating according to the present embodiment is configured as a portion of a cylinder, and correspondingly, the cross-sectional shape of the first groove 210 is surrounded by two curved line segments and one short line segment. This improves the flow of the plating liquid, and the smooth surface of the cylindrical support part 230 can reduce the resistance against the plating liquid when the plating guide roller 200 rotates.

Third embodiment

Next, a guide wheel 300 for plating according to a third embodiment will be described with reference to fig. 15 to 18. Here, for the sake of brevity, the same structure as in the first embodiment will be described only briefly or will not be described again.

The plating stator 300 includes a substantially cylindrical stator body 360, a first groove 310 extending in the axial direction Da of the stator body 360, a second groove 320 extending in the circumferential direction Dc of the stator body 360, a support portion 330, a restricting portion 340 located at an end portion in the axial direction Da of the stator body 160, and a center shaft hole 350 penetrating the plating stator 300 in the axial direction Da of the plating stator 300.

As shown in fig. 17 to 18, the cross-sectional shape of first groove 310 of guide pulley 300 for plating according to the present embodiment is triangular, and the shape of support portion 330 in a plane perpendicular to axial direction Da of guide pulley body 360 is substantially trapezoidal.

Fourth embodiment

A guide wheel 400 for plating according to a fourth embodiment will be described below with reference to fig. 19 to 22. Here, for the sake of brevity, the same structure as in the first embodiment will be described only briefly or will not be described again.

The plating stator 400 includes a substantially cylindrical stator body 460, a first groove 410 extending in the axial direction Da of the stator body 460, a second groove 420 extending in the circumferential direction Dc of the stator body 460, a support portion 430, a restricting portion 440 located at an end portion in the axial direction Da of the stator body 460, and a central shaft hole 450 penetrating the plating stator 400 in the axial direction Da of the plating stator 400.

As shown in fig. 22, first groove 410 of guide pulley 400 for plating according to the present embodiment has a trapezoidal cross-sectional shape, and support portion 430 has a substantially trapezoidal shape in a plane perpendicular to axial direction Da of guide pulley body 460.

Fifth embodiment

A guide wheel 500 for plating according to a fifth embodiment will be described below with reference to fig. 23 and 24. Here, for the sake of brevity, the same structure as in the first embodiment will be described only briefly or will not be described again.

The plating stator 500 includes a substantially cylindrical stator body 560, a first recess 510 extending in the axial direction Da of the stator body 560, a second recess 520 extending in the circumferential direction Dc of the stator body 560, a support portion 530, a restricting portion 540 located at an end portion in the axial direction Da of the stator body 560, and a central axial hole 550 penetrating the plating stator 500 in the axial direction Da of the plating stator 500.

As shown in fig. 23 and 24, the guide wheel 500 for plating according to the present embodiment has two second grooves 520 spaced apart. And, preferably, the first fastener element 10a and the second fastener element 10b cover one second groove 520, respectively, in a state that the metal zipper 30 is wound around the plating use guide pulley 500. The plating guide wheel 500 according to the present embodiment can ensure that the surfaces of the first fastener element 10a and the second fastener element 10b, respectively, facing the guide wheel body 560 can have a larger area for contact with the plating solution than a plating guide wheel without the second grooves, and in addition, such a configuration facilitates manufacturing and processing due to the presence of only two second grooves 520.

Sixth embodiment

Next, a guide wheel 600 for plating according to a sixth embodiment will be described with reference to fig. 25 and 26. Here, for the sake of brevity, the same structure as in the first embodiment will be described only briefly or will not be described again.

The plating stator 600 includes a substantially cylindrical stator body 660, a first groove 610 extending in the axial direction Da of the stator body 660, a second groove 620 extending in the circumferential direction Dc of the stator body 660, a support portion 630, a restricting portion 640 located at an end portion in the axial direction Da of the stator body 660, and a central shaft hole 650 penetrating the plating stator 600 in the axial direction Da of the plating stator 600.

As shown in fig. 25 and 26, the cross-sectional shape of the second groove 620 of the guide wheel 600 for plating according to the present embodiment (i.e., the shape of the second groove 120 in the plane defined by the axial direction Da and the radial direction Dr of the guide wheel body 660) is substantially rectangular.

Seventh embodiment

A guide wheel 700 for plating according to a seventh embodiment will be described below with reference to fig. 27 and 28. Here, for the sake of brevity, the same structure as in the first embodiment will be described only briefly or will not be described again.

The guide wheel 700 for plating includes a substantially cylindrical guide wheel body 760, a first recess 710, a second recess 720, a support portion 730, a restricting portion 740 located at an end portion of the guide wheel body 760 in the axial direction Da, and a central shaft hole 750 extending through the guide wheel 700 for plating in the axial direction Da of the guide wheel 700.

The first groove 710 of the guide wheel 700 for plating according to the present embodiment is provided so as to intersect both the axial direction Da and the circumferential direction Dc of the guide wheel body 760; and second groove 720 is provided so as to intersect both the axial direction Da and the circumferential direction Dc of stator body 760. In other words, the first groove 710 and the second groove 720 of the guide wheel 700 for plating according to the present embodiment are inclined with respect to the axial direction Da of the guide wheel body 760 so as to intersect with each other.

It is easily understood that such a configuration enables the plating solution to more uniformly and easily flow in both the first groove 710 and the second groove 720 when the guide wheel 700 for plating is rotated.

In order to enable the plating solution to uniformly flow in both the first and

second grooves

710 and 720, the angle between the first and

second grooves

710 and 720 may be set to 45 to 135 degrees. Further, the included angle (acute angle) r1 between the first groove 710 and the axial direction Da of the guide wheel body 760 is 45-90 degrees; and/or the angle between the second groove 720 and the axial direction Da of the stator body 760 (acute angle) may be 45-90 degrees.

Although the cross-sectional shape of each of the first and

second grooves

710 and 720 is rectangular in the illustrated embodiment, the cross-sectional shape of each of the first and

second grooves

710 and 720 may be changed to other shapes.

Eighth embodiment

Next, a guide wheel 800 for plating according to an eighth embodiment will be described with reference to fig. 29 and 30. Here, for the sake of brevity, the same structure as in the first embodiment will be described only briefly or will not be described again.

The plating stator 800 includes a substantially cylindrical stator body 860, a first concave portion 810, a second concave portion 820, a support portion 830, a restricting portion 840 located at an end portion of the stator body 860 in the axial direction Da, and a center shaft hole 850 that penetrates the plating stator 800 in the axial direction Da of the plating stator 800.

Similar to the seventh embodiment, the first recess 810 is provided so as to intersect both the axial direction Da and the circumferential direction Dc of the stator body 860; and the second recess 820 is provided so as to intersect both the axial direction Da and the circumferential direction Dc of the stator body 860.

Unlike the above-described embodiment, the supporting portion 830 of the guide wheel 800 for plating according to the present embodiment is configured as a part of a sphere.

Note that the concave portion of the stator body 860 having the support portion 830 configured as a sphere may be processed and manufactured by a method such as rolling.

It is easily understood that such a configuration enables the plating liquid to more easily and uniformly flow in both the first concave portion 810 and the second concave portion 820 when the guide wheel 800 for plating is rotated. Also, the support part 830 configured as a part of the sphere can reduce resistance to the plating liquid, and the relative movement of the plating liquid and the guide pulley 800 for plating is smoother.

Optionally, the diameter of the spheres is 1-10mm, further preferably, the diameter of the spheres is 2-6 mm. This ensures the flow of the plating liquid and ensures that the support surface supporting the metal zipper 30 has a sufficient area.

In addition, the maximum distance of the spheres in the radial direction Dr of the stator body 860 is 40% to 70% of the diameter of the spheres. Further, the maximum distance is 40-50% of the diameter of the sphere. This facilitates the processing of the ball support 830.

Ninth embodiment

Next, a guide wheel 900 for plating according to a ninth embodiment will be described with reference to fig. 31.

The guide pulley 900 for plating has a central shaft hole 950, and the guide pulley 900 for plating is rotatable around an axis passing through the central shaft hole 950. The plating guide roller 900 may be regarded as being provided with three plating guide rollers 800 in the eighth embodiment arranged side by side. As necessary, the two adjacent plating guide wheels 800 may be fixed to each other or may not be fixedly provided. In this way, the plurality of metal zippers 30 can be wound around the three plating guide rollers 800 arranged side by side, respectively, to simultaneously plate the plurality of metal zippers 30.

Tenth embodiment

A guide wheel 1000 for plating according to a tenth embodiment will be described below with reference to fig. 32.

Similar to the plating jockey pulley 900 in the ninth embodiment, the plating jockey pulley 1000 has three jockey pulley bodies 1060 similar to the jockey pulley body 860 of the plating jockey pulley 800 in the eighth embodiment, the three jockey pulley bodies 1060 are arranged side by side, and the restricting portions 1040 are provided between the adjacent two jockey pulley bodies 1060, and the restricting portions 1040 are also provided at the end portions in the axial direction Da of the plating jockey pulley 1000.

The plating guide pulley 1000 according to the present embodiment has a central shaft hole 1050, and the plating guide pulley 1000 is integrally rotatable about an axis passing through the central shaft hole 1050.

The regulating portions between the adjacent guide pulley bodies 1060 may be provided along the circumferential direction Dc of the guide pulley bodies 1060, so that the plating guide pulley 1000 is suitable for plating a plurality of metal zippers 30 at the same time. In an embodiment not shown, the restrictions between adjacent sheave bodies 1060 may also be helically disposed to enable the same metal zipper 30 to be helically wound around the sheave bodies 1060.

In addition, according to another aspect of the invention, an electroplating device is provided for electroplating the metal zipper, and the electroplating device comprises the electroplating guide wheel.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "component" and the like, when used herein, can refer to either a single part or a combination of parts. Terms such as "mounted," "disposed," and the like, as used herein, may refer to one component as being directly attached to another component or one component as being attached to another component through intervening components. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

Ordinal words such as "first" and "second" are set forth in this application for identification only and do not have other meanings, such as a particular order, etc. Further, for example, the term "first element" does not itself connote the presence of "second element," and the term "second element" does not itself connote the presence of "first element. Moreover, terms such as "substantially", "about" and "approximately" mean a reasonable amount of deviation of the modified term such that the end result is not significantly changed.

The present invention has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the scope of the described embodiments. It will be appreciated by those skilled in the art that many variations and modifications may be made to the teachings of the invention, which fall within the scope of the invention as claimed.

Claims

1. The guide wheel for electroplating is used for conducting electricity to a metal zipper wound on the guide wheel for electroplating, and is characterized in that the guide wheel for electroplating is provided with a guide wheel body with a cylindrical side surface, the side surface is provided with a first concave part and a second concave part, the first concave part and the second concave part are inwards concave along the radial direction of the guide wheel body, the first concave part is communicated with the second concave part, and the first concave part and the second concave part are arranged in a crossed mode to form a plurality of supporting parts, and the supporting parts are used for supporting the metal zipper.

2. The guide wheel for plating according to claim 1, wherein,

the first recess and the second recess are each configured as a groove.

3. The guide wheel for plating according to claim 1, wherein,

the cross-sectional shape of the support portion is substantially trapezoidal, rectangular, or trapezoidal or rectangular with curved sides.

4. The guide wheel for plating according to claim 1, wherein,

the cross-sectional shape of the first recess and/or the second recess is substantially triangular, trapezoidal, rectangular, or triangular, trapezoidal, or rectangular with curved sides.

5. The guide wheel for plating according to claim 1, wherein,

the first recess extends in an axial direction of the stator body.

6. The guide wheel for plating according to claim 1 or 4, wherein the metal zipper comprises zipper teeth, the zipper teeth comprise a body portion and an engaging head portion connected to the body portion,

7. The guide wheel for plating according to claim 1, wherein,

the second recess is provided along a circumferential direction of the stator body.

8. The guide wheel for plating according to claim 1 or 7, wherein the support portion is configured as a part of a cylinder.

9. The guide wheel for plating according to claim 1 or 7, wherein the metal zipper includes a first zipper tooth and a second zipper tooth that are provided to face each other and can be engaged with each other, and the first zipper tooth and the second zipper tooth each cover at least one of the second concave portions in a state where the metal zipper is wound around the guide wheel for plating.

10. The plating guide wheel according to claim 9, wherein the engaging position of the first fastener element and the second fastener element covers the other second concave portion.

11. The guide wheel for plating according to claim 1, wherein the support portion is configured as a portion of a sphere.

12. The guide wheel for electroplating according to claim 11, wherein the diameter of the sphere is 1-10 mm.

13. The guide wheel for plating according to claim 12, wherein the diameter of the sphere is 2 to 6 mm.

14. The guide wheel for electroplating according to any one of claims 11 to 13, wherein the maximum distance of the ball in the radial direction of the guide wheel body is 40 to 70% of the diameter of the ball.

15. The guide wheel for plating according to claim 14, wherein the maximum distance is 40% to 50% of the diameter of the sphere.

16. The guide wheel for plating according to claim 1, wherein,

the first recess is provided so as to intersect both the axial direction and the circumferential direction of the stator body; and is

The second recess is provided so as to intersect both the axial direction and the circumferential direction of the stator body.

17. The guide wheel for plating according to claim 1 or 16,

the included angle between the first concave part and the second concave part is 45-135 degrees.

18. The guide wheel for plating according to claim 1 or 16,

the angle between the first concave part and the axial direction of the guide wheel body is 45-90 degrees; and/or

The angle between the second concave part and the axial direction of the guide wheel body is 45-90 degrees.

19. The guide wheel for plating according to claim 1 or 7, wherein,

the maximum width of the second recess is 1.5-2 mm.

20. The guide wheel for plating according to claim 1, wherein,

the end part of the guide wheel body in the axial direction is provided with a limiting part which protrudes out of the guide wheel body in the radial direction and is used for limiting the metal zipper wound on the guide wheel for electroplating to move along the axial direction of the guide wheel for electroplating.

21. The guide pulley for plating according to claim 6, wherein a dimension of the support surface of all the support portions in a circumferential direction of the guide pulley body is smaller than a dimension of the body portion in the circumferential direction.

22. An apparatus for plating a metal zipper, comprising the plating guide wheel according to any one of claims 1 to 21.