KR102486481B1 - Electroless auto-plating device for metal parts - Google Patents

Abstract

The present invention relates to an electroless automatic plating device for metal parts and, more specifically, to an electroless automatic plating device which, when a plurality of metal parts are placed in a mesh net and supplied, automatically moves the plurality of metal parts to a plating position, plates the plurality of metal parts, and then returns the plurality of metal parts to the initial position, thereby simplifying and facilitating the plating operation, and preventing accidents caused by chemicals and minimizing contact with harmful gases by isolating a worker from a tempering part at a predetermined distance. The electroless automatic plating device can efficiently mix the metal parts inside the mesh net by forming two or more positions at which the mesh net is fixed, and can shake the mesh net connected to a link more effectively by rotating the link of the mesh net in a swing-like manner.

Description

Electroless auto-plating device for metal parts }

The present invention relates to an electroless automatic plating apparatus for metal parts, and more particularly, to an automatic plating apparatus for plating after putting a plurality of metal parts into a mesh net so that plating work is convenient and then automatically moving them to a plating position when supplied. Is provided, a rail part is provided that moves left and right to minimize contact between chemicals and workers, and for metal parts equipped with four shaking spheres that rotate in a predetermined direction while connecting the mesh network to efficiently shake the mesh network. It relates to electroless automatic plating equipment.

In general, plating or coating facilities are currently provided to finish the surface of metal parts for machines. In particular, in order to plate parts with the size of a finger to a fist, a number of metal parts are put into a basket or mesh net at once and paint or chemicals So-called electroless plating, in which gold is immersed in a plating bath and taken out, is widely practiced.

As a technical document for such a conventional electroless plating apparatus, Korean Patent Registration No. 10-0905226 has been disclosed.

Here, looking at the conventional electroless plating apparatus, a technology configured to have a rotatable cylindrical rotation cylinder inside the plating bath, place the object to be plated therein, and then rotate it so that the chemicals can be evenly applied to the object to be plated. However, it is difficult to install a rotating cylinder inside the plating tank or to manufacture a rotating structure, and it is difficult to maintain and replace due to the complicated structure.

In order to solve this problem, conventionally, a plating device that shakes the mesh net so that a mesh net into which a plurality of metal parts can be put is hung on the top of the plating tank and then lowered to plate the metal parts and easily desorbed. It is being used.

However, in the conventional mesh-type plating device, the hook part for hanging the mesh is disposed above the plating tank, and workers are directly exposed to chemicals harmful to the human body, resulting in safety accidents and deterioration in health.

In addition, the conventional mesh-type plating device has a problem in that the plating state is not uniform and the defect rate is high because most of the supporting parts for hanging the mesh are formed with two pieces and cannot efficiently shake or mix a large amount of metal parts.

The present invention was created to solve the problems of the prior art as described above, and the purpose of the present invention is,

After putting a number of metal parts into the mesh net, supplying them automatically moves them to the plating position, plating, and then returns to the initial position, making the plating operation simpler and more convenient by constructing an automatic plating device.

In addition, safety accidents caused by chemicals are prevented by separating the position of the operator from the quenching part by a predetermined distance, and contact with harmful gases is minimized.

In addition, it is possible to mix the metal parts inside the mesh network more efficiently by forming four positions at which the mesh network is fixed at equal intervals,

In addition, by rotating the link of the mesh network like a swing motion (hereinafter referred to as swing swing), the mesh network connected to the link can be more efficiently and perfectly colored,

In addition, it makes it easy, convenient and quick to attach the link to the shaking gripper,

In addition, it is easy, convenient and quick to attach, but prevents the connection ring from being removed by a simple configuration,

In addition, it is to provide an electroless automatic plating device for metal parts suitable for preventing the mesh network from being easily torn while shaking well due to the unique shape of the linkage.

The electroless automatic plating device for metal parts according to the present invention for achieving the above object is an electroless automatic plating device for metal parts that colors the surface by wrapping a plurality of metal parts with a mesh net and then dipping them in chemicals, and has a plurality of frame pillars. and a frame portion composed of a ceiling plate seated on top of the frame pillar and a work plate provided inside the frame pillar; a quenching unit including a quenching tank seated on an upper portion of the work plate and accommodating the chemical, and an electric heater to heat the chemical at a lower portion of the quenching tank; A pair of rails attached to the lower surface of the ceiling plate and extending to one side of the frame portion, a plurality of rail spheres seated on the outer circumferential surface of the rail and moving left and right, provided on one side of the rail and driving the rail spheres left and right A rail part made of a rail operating mechanism for making; A supply plate attached to the lower surface of the rail sphere and transported left and right, an elevating sphere that is fastened through from the top to the bottom of the supply plate and ascends and descends vertically, and a connection ring of the mesh network provided at the bottom of the elevating sphere It is characterized in that it consists of; a parts supplying part consisting of a shaking sphere to be mounted.

The rail operation unit includes a pair of pulley seating units spaced apart from one surface of the rail at a predetermined interval, a rail driving pulley mounted to rotate in a vertical axial direction on a lower surface of the pulley seating unit, and the rail driving pulley on an upper portion of the pulley seating unit. A rotating pulley motor, a belt wound on the pair of rail driving pulleys, and a belt connection piece provided on one side of the supply plate and fixed to the belt so that the supply plate moves along the movement of the belt. Characterized in that do.

A positioning piece bent at right angles is formed on the upper part of the belt connection piece, and a pair of limit switches for detecting the positioning piece are further included on the upper part of the rail.

The elevating sphere includes an elevating motor that transmits rotational force to the central portion of the supply plate, a plurality of bevel gearboxes connected to the driving shaft of the elevating motor and transmitting rotational force to the outer corner of the supply plate, and the bevel gear It is characterized in that it consists of a plurality of worm gearboxes connected to the end of the box and transmitting rotational force to a vertical shaft, and an elevating rod that penetrates the worm gearbox in a vertical direction and has threads formed on the outer circumferential surface.

The outer circumferential surface of the elevating rod is characterized in that a bellows cover that contracts vertically is further included to prevent foreign matter from penetrating into the thread of the elevating rod.

The shaking sphere has a plate-shaped shaking body connected to the lower end of the elevating sphere and ascending and descending, a feeding motor mounted on a lower corner of the shaking body and having a drive rod disposed in the center of the shaking body, It is characterized in that it consists of a shaking plate connected to an end of the driving rod and rotated in one direction, and a shaking gripper gripping the connecting ring on the front surface of the shaking plate.

The shaking gripper has a seating block protruding from the lower surface of the shaking plate, a seating groove concave downward so that the connection ring is inserted into the upper surface of the seating block, and ascending and descending from the upper portion of the seating block to the seating groove. It is characterized in that it consists of a fixed cylinder for pressurizing and supporting the connecting ring.

The fixed cylinder is composed of a cylinder whose movement direction is disposed downward on the front surface of the shaking plate, and a pressing block seated on a driving rod of the cylinder and having the same width as the seating groove so as to be inserted into the seating groove. to be

As such, the electroless automatic plating apparatus for metal parts according to the present invention has the following effects.

First, plating work can be performed more simply and conveniently by constructing an automatic plating device that automatically moves to the plating position when a number of metal parts are put into the mesh net and then supplied, then plated and then returned to the initial position. there is,

Second, by separating the position of the operator from the quenching part by a predetermined distance, safety accidents caused by chemicals can be prevented and contact with harmful gases can be minimized to create a pleasant working environment.

Third, by forming 4 positions where the mesh network is fixed at equal intervals, by arranging the position to transmit shaking in several places, it is possible to mix the metal parts inside the mesh network more efficiently, thereby increasing the contact area with chemicals. can reduce the failure rate,

Fourth, by rotating the link of the mesh network like a swing motion (hereinafter referred to as swing swing), the mesh network connected to the link can be shaken more efficiently, so that more chemicals can be brought into contact with the surface of the metal parts accommodated inside. It has the effect of perfect coloring (improving plating quality),

Fifth, it is easy, convenient and quick to attach, but prevents the connection ring from being removed by a simple configuration,

Sixth, there is an effect of preventing the mesh network from tearing well while shaking well due to the unique shape of the link.

1 is an upper perspective view showing an automatic plating apparatus according to the present invention;
2 is a lower perspective view showing an automatic plating apparatus according to the present invention;
Figure 3 is a partially enlarged view of part "A" shown in Figure 2,
4 is a partially exploded perspective view showing a rail unit and a parts supply unit according to the present invention;
5 is a front working view showing the operation of the rail unit according to the present invention and a partially enlarged view showing the operation of the limit switch,
6 is an upper perspective view showing a parts supply unit according to the present invention;
7 is an exploded perspective view showing a parts supply unit according to the present invention;
Figure 8 is a view showing the operation of the elevating ball according to the present invention, (a) is a front view showing the lifting operation, (B) is a front view showing the lowering operation,
9 is a front view showing that the mesh network is fixed to the shaking tool according to the present invention;
10 is a perspective view showing a shaking tool according to the present invention;
11 is a side view showing that the shaking tool according to the present invention is shaken from side to side,
12 is a front operation view showing that the mesh network is supplied according to the present invention,
13 is a frontal operation diagram showing that the mesh network rises according to the present invention,
14 is a front operation view showing that the mesh network according to the present invention is transferred to the quenching unit,
15 is a frontal operation view showing that the mesh network according to the present invention descends to the quenching tank,
16 is a front operation view showing that the mesh network according to the present invention is shaken,
17 is a front operation view showing that the mesh network returns to the initial position according to the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The electroless automatic plating apparatus for metal parts according to the present invention is an automatic electroless plating apparatus 1 for metal parts that colors a surface by wrapping a plurality of metal parts (P) with a mesh net (M) and then soaking them in chemicals. 4, a plurality of frame pillars 11, a ceiling plate 12 seated on top of the frame pillars 11, and a work plate 13 provided inside the frame pillars 11 A frame portion 10 made of; a quenching unit 20 including a quenching tank 21 seated on the work plate 13 and accommodating the chemical, and an electric heater 22 for heating the chemical in the lower part of the quenching tank 21; A pair of rails 31 attached to the lower surface of the ceiling plate 12 and extending to one side of the frame part 10, and a plurality of rail spheres 32 seated on the outer circumferential surface of the rail 31 and moving left and right ) And, a rail part 30 provided on one side of the rail 31 and composed of a rail operation member 33 for driving the rail member 32 left and right; A supply plate 41 attached to the lower surface of the rail sphere 32 and transported left and right, an elevating sphere 42 that is penetrated from the top to the bottom of the supply plate 41 and moves up and down, and It is provided in the lower part of the steel ball 42 and the parts supply unit 40 made of a shaking sphere 43 to which the connection ring R of the mesh network M is mounted.

On the other hand, a rectangular frame (not shown) is provided on the top of the rail 31 so that the rail 31 can be mounted on the ceiling plate 12, and the rail operating mechanism 33 is the frame (not shown). It is preferable to be configured to be installed on one side of.

And, as shown in Figs. A rail drive pulley 332 mounted to rotate in the vertical axis direction on the lower surface of the pulley motor 333 for rotating the rail drive pulley 332 on the top of the pulley seat 331, and the pair of rails A belt 334 wound around a driving pulley 332 and provided on one surface of the supply plate 41 and fixed to the belt 334 so that the supply plate 41 moves along the movement of the belt 334 It is made of a belt connection piece 335.

Meanwhile, the pulley seat 331 is formed in a plate shape bent in one direction so that the rail driving pulley 332 is installed, and the pulley motor 333 is connected to one of the pair of rail driving pulleys 332. it is desirable to be

In addition, a positioning piece 336 bent at right angles is formed on the upper part of the belt connection piece 335, and a pair of limit switches 337 for sensing the positioning piece 336 are formed on the upper part of the rail 31 ) is further included.

And, as shown in FIGS. 6 to 9, the elevating sphere 42 is connected to the elevating motor 421 that transmits rotational force to the central portion of the supply plate 41 and the drive shaft of the elevating motor 421. A plurality of bevel gearboxes 422 that are connected and transmit rotational force to the outer corner of the supply plate 41, and a plurality of worm gearboxes that are connected to the end of the bevel gearbox 422 and transmit rotational force to the vertical axis ( 423), and an elevating bar 424 penetrating the worm gearbox 423 in a vertical direction and having a screw thread formed on an outer circumferential surface thereof.

On the other hand, a bevel gear (not shown) is mounted inside the bevel gear box 422 to change the rotational force transmitted from the elevating motor 421 in different directions, and the bevel gear box 422 is the supply plate. It is preferable that a total of three are provided on the central portion and both sides of (41).

In addition, the worm gear box 423 forms a worm gear (not shown) on the outer circumferential surface of the shaft rod to vary the rotational force of the shaft rod connected from the bevel gear box 422 in the vertical direction, and on the outer circumferential surface of the worm gear (not shown) It is preferable that a worm wheel (not shown) installed in the vertical direction is installed in the center of the um gear box 423.

At this time, a screw hole (not shown) having a screw thread formed on an inner surface is formed in the center of the worm wheel (not shown), and it is preferable to engage with the screw thread of the elevating rod 424 to move the elevating rod 424 up and down. Do.

Here, the elevating rod 424 is a cylindrical rod case 424a seated on the upper part of the worm gear box 423, and a screw rod 424b having a thread formed on the outer circumferential surface while moving up and down inside the rod case 424a. ) is preferably made of.

In addition, a bellows cover 425 contracted vertically is further included on the outer circumferential surface of the elevating bar 424 to prevent foreign matter from penetrating into the thread of the elevating bar 424.

On the other hand, the bellows cover 425 is preferably formed of an elastic material so as to have excellent elasticity as a corrugated tubular shape on the outer surface.

In addition, the shaking sphere 43 is connected to the lower end of the elevating sphere 42, and the shaking body 431 in the shape of a quadrangular frame fastened with four bars that go up and down, and the shaking body 431 of the shaking body 431 Four supply motors 432 mounted at the bottom of each of the four corners and provided at regular intervals of 90 degrees with driving rods 432a disposed in the central part of the shaking body 431, and the four driving rods 432a ) and four shaking plates 433 that are connected to the ends of the swing to repeatedly swing, and a shaking gripper 434 for gripping the link R on the front of the four shaking plates 433, respectively. made up of

On the other hand, it is preferable that a nut hole (not shown) fixed to the end of the elevating bar 424 is formed on the upper surface of the shaking body 431, and the supply motor 432 is made of a stepping motor.

And, as shown in FIGS. 10 to 11, the shaking gripper 434 is connected to the mounting block 434a protruding from the lower surface of the shaking plate 433 and the upper surface of the mounting block 434a. A seating groove 434b concave downward to insert the ring R, and a fixed cylinder 434c that presses and supports the connecting ring R of the seating groove 434b while moving up and down from the top of the seating block 434a. ) is made up of

At this time, the fixed cylinder 434c is seated on the cylinder 434c' whose movement direction is downwardly disposed on the front surface of the shaking plate 433 and the drive rod of the cylinder 434c', and the seating groove 434b It is made of a pressing block 434c" that presses the connecting ring R seated in the seating groove 43b so that the width thereof is the same as that of the seating groove 434b so as to be inserted into the inside.

Meanwhile, the pressing block 434c" is preferably formed of an elastic material so as to improve the bearing capacity of the connecting ring R.

And, in one embodiment of the present invention, the connecting ring (R) fixed to the mesh network (M), the horizontal bar (Ra) inserted into the seating groove (434b) and seated, the horizontal bar (Ra) ) is inserted into the seating groove 434b and vertically bent downward at both ends of the horizontal bar Ra so that it is spaced apart from the side surface of the seating block 434a when seated, and is vertically bent to be fastened to the mesh network M. It is preferable to form a ┏┓ shape consisting of the portion Rb.

And, at this time, the pressing block 434c" is characterized in that it presses the horizontal bar Ra inserted and seated in the seating groove 434b.

According to this, by holding the mesh network (M) at an interval of the horizontal bar (Ra), the efficiency of shaking by holding and shaking the mesh network (M) is improved, and also dispersing the force applied to the mesh network (M) This has the advantage of preventing tearing of the mesh network (M).

The operation of the electroless automatic plating device for metal parts according to the present invention having the above configuration is as follows.

The automatic electroless plating apparatus for metal parts according to the present invention is an automatic electroless plating apparatus 1 for metal parts in which a plurality of metal parts (P) are wrapped with a mesh (M) and then immersed in a chemical to color the surface.

That is, in the electroless automatic plating device for metal parts according to the present invention, as shown in FIG. 12, a plurality of metal parts (P) are initially wrapped inside the mesh network (M) and then fixed to the shaking sphere (43). will make

At this time, the mesh network (M) seats the connecting ring (R) in the seating groove (434b) of the seating block (434a), as shown in FIG. By descending, it is possible to press the upper part of the connecting ring (R) and firmly fix the mesh network (M).

Then, as shown in FIG. 13, the mesh network M is raised through the elevating hole 42, which is a bevel gearbox that receives it when the elevating motor 421 rotates as shown in FIG. 422) transmits power through the bevel gear to the position of the worm gear box 423 accurately at a predetermined position, and the transmitted power drives the elevating bar 424 penetrating the worm gear box 423 in the vertical direction to You can perform a descending action.

At this time, it is possible to raise and lower the parts supply unit 40 connected to the lower part of the elevating bar 424 to a desired height.

Subsequently, as shown in FIG. 14, the raised mesh network M moves to the top of the quenching unit 20 through the rail unit 30, which is the mesh network M as shown in FIGS. 3 to 4 In order to move the fixed component supply unit 40 in one direction, a rail sphere 32 fixed to the upper surface of the component supply unit 40, and a rail 31 in which the rail sphere 32 is inserted and seated and slides, By interconnecting the belt 334 seated on the pulley motor 333 generating rotational driving force and the belt connection piece 335 to the parts supply part 40, the parts supply part 40 with the driving of the belt 334 ) can be moved to the desired position.

At this time, as shown in FIG. 15, the parts supply part 40 moved to the upper part of the quenching part 20 is put into the quenching tank 21 through the driving of the elevating hole 42 and the quenching tank The coloring, that is, the plating operation is performed by contacting the chemical contained in (21) with the metal part (P).

Thereafter, as shown in FIG. 16, the mesh network (M) is shaken in one direction so that the metal part (P) and the chemical are more in contact, which transmits the rotational force of the supply motor 432 as shown in FIGS. 10 to 11 As the received shaking plate 433 rotates in one direction, the link R is rotated left and right, and the mesh network M connected to the link R is shaken as a whole, that is, shaken.

Here, by configuring a total of four parts for shaking operation, that is, a total of four shaking spheres 43 for fixing the link R, the metal part P contained in the mesh network M is more Efficient shaking and mixing can greatly improve the plating effect.

At this time, the supply motor 432 of the shaking sphere 43 is made of a step motor, so that the connecting ring R can be repeatedly rotated (swing operation) to the left and right to make the mesh network M look better. be able to shake efficiently.

Then, as shown in FIG. 17, the metal parts P plated in the quenching part 20 are returned to the position where the mesh network M was initially supplied through the rail part 30 and the part supply part 40. Since the worker can easily receive the plated metal part P, the plating operation can be performed very simply.

The present invention is not limited to the specific preferred embodiments described above, and various modifications can be made by anyone having ordinary knowledge in the art to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Of course, such changes are within the scope of the claims.

<Description of symbols for main parts of drawings>
P: Metal parts M: Mesh net
R: link 1: automatic plating device
10: frame part 11: frame pillar
12: ceiling plate 13: work plate
20: quenching unit 21: quenching
22: electric heater 30: rail part
31: rail 32: rail sphere
33: rail operation tool 331: pulley seating tool
332: rail driving pulley 333: pulley motor
334: belt 335: belt connection
336: Position Check 337: Limit Switch
40: parts supply unit 41: supply plate
42: lifting port 421: lifting motor
422: bevel gear box 423: worm gear box
424: elevating bar 425: bellows cover
424a: rod case 424c: screw rod
43: shaking mouth 431: shaking body
432: supply motor 433: shaking plate
434: shaking wave area 434a: seating block
434b: seating groove 434c: fixed cylinder
434c': Cylinder 434c": Pressing block

Claims (6)

In the electroless automatic plating device (1) for metal parts, in which a plurality of metal parts (P) are wrapped with a mesh net (M) and then immersed in a chemical to color the surface,
A frame part 10 composed of a plurality of frame pillars 11, a ceiling plate 12 seated on top of the frame pillars 11, and a work plate 13 provided inside the frame pillars 11, ;
a quenching unit 20 including a quenching tank 21 seated on the work plate 13 and accommodating the chemical, and an electric heater 22 for heating the chemical in the lower part of the quenching tank 21;
A pair of rails 31 attached to the lower surface of the ceiling plate 12 and extending to one side of the frame part 10, and a plurality of rail spheres 32 seated on the outer circumferential surface of the rail 31 and moving left and right ) And, a rail part 30 provided on one side of the rail 31 and composed of a rail operation member 33 for driving the rail member 32 left and right;
A supply plate 41 attached to the lower surface of the rail sphere 32 and transported left and right, an elevating sphere 42 that is penetrated from the top to the bottom of the supply plate 41 and moves up and down, and It is provided at the bottom of the steel ball 42 and is configured to include a parts supply unit 40 made of a shaking ball 43 to which a link R fixed to the mesh network M is mounted,
The rail operating mechanism 33,
A pair of pulley seating holes 331 spaced apart at predetermined intervals on one surface of the rail 31;
A rail driving pulley 332 mounted to rotate in a vertical axis direction on the lower surface of the pulley seat 331;
A pulley motor 333 rotating the rail driving pulley 332 on the top of the pulley seat 331;
A belt 334 wound around the pair of rail driving pulleys 332;
It is provided on one surface of the supply plate 41 and is made of a belt connection piece 335 fixed to the belt 334 so that the supply plate 41 moves along the movement of the belt 334,
A positioning piece 336 bent at a right angle is formed on the upper part of the belt connection piece 335,
A pair of limit switches 337 for detecting the positioning piece 336 are further included on the upper part of the rail 31,
The elevating mouth 42,
An elevating motor 421 for transmitting rotational force to the center of the supply plate 41;
A plurality of bevel gearboxes 422 connected to the driving shaft of the elevating motor 421 and transmitting rotational force to the outer corner of the supply plate 41;
A plurality of worm gear boxes 423 connected to the end of the bevel gear box 422 and transmitting rotational force in a vertical axis;
It is made of an elevating bar 424 that penetrates the worm gear box 423 in a vertical direction and has a thread formed on an outer circumferential surface,
An outer circumferential surface of the elevating rod 424 further includes a bellows cover 425 that contracts vertically to prevent foreign matter from penetrating into the thread of the elevating rod 424,
The shaking sphere 43,
A shaking body 431 in the shape of a quadrangular frame connected to the lower end of the elevating sphere 42 and ascending and descending;
Four supply motors 432 mounted at the bottom of the four corners of the shaking body 431 and provided at equal intervals of 90 degrees with driving rods 432a disposed in the center of the shaking body 431 Wow,
Four shaking plates 433 connected to the ends of the four driving rods 432a and rotating in a swing swing;
It consists of a shaking gripper 434 for gripping each of the linkages R on the front of the four shaking plates 433,
The shaking phagoji 434,
A seating block 434a protruding from the lower surface of the shaking plate 433;
A seating groove 434b recessed downward to insert the connecting ring R into the upper surface of the seating block 434a;
It is composed of a fixed cylinder 434c that ascends and descends from the top of the seating block 434a and presses and supports the connecting ring R of the seating groove 434b.
The fixed cylinder 434c,
A cylinder 434c' disposed in a downward direction on the front surface of the shaking plate 433,
It is seated on the driving rod of the cylinder 434c' and has the same width as the seating groove 434b so that it is inserted into the seating groove 434b, and presses the connecting ring R seated in the seating groove 43b. Electroless automatic plating device for metal parts, characterized in that consisting of a pressing block (434c ") to do.
The method of claim 1,
The connecting ring (R) fixed to the mesh network (M),
A horizontal bar (Ra) inserted into and seated in the seating groove (434b);
When the horizontal bar (Ra) is inserted into the seating groove (434b) and is seated, it is vertically bent downward at both ends of the horizontal bar (Ra) so that it is spaced apart from the side surface of the seating block (434a), and the mesh network (M) It consists of a vertical bent portion (Rb) fastened to,
The electroless automatic plating device for metal parts, characterized in that the pressing block (434c") presses the horizontal bar (Ra) inserted and seated in the seating groove (434b).
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