KR100918839B1 - Grinding machine for jewelery - Google Patents

Abstract

Not only can automatically change the polishing angle of the holder on which the polishing object is mounted, but also improve the productivity while minimizing the defective rate by improving the hassle that needs to be reattached by unifying the polishing and polishing processes. If not, anyone can easily perform the work, the worker is minimized to reduce the labor cost has been disclosed a jewelry polishing device. The jewelry polishing apparatus according to the present invention has a main body provided with a fixed stage horizontally on top, and a movable stage slidably disposed on the fixed stage and mounted with a holder, and on one side of the main body, a frame portion disposed with a controller; Polishing having one or more working shafts which are vertically penetrated from the lower part of the fixed stage to the upper part and on which the grinding wheel is mounted, the grinding wheel being mounted on a normal grinding wheel, and a driving motor mounted on one side of the main body and rotating the working shaft. A drive unit; And a fixed case which is vertically penetrated from the bottom of the fixed stage to an upper portion so as to wrap the working shaft, and is disposed between the fixed case and the working shaft so as not to interfere with the rotation of the working shaft, and to the outside of the fixed case on a radial side. It includes a movable case with a vertically exposed rack gear, and a position adjusting portion for raising and lowering the abrasive driving part while having a working bar extending horizontally from the outside of the main body to the fixed case and a pinion gear meshing with the rack gear. do.

Description

Gem Polishing Machine {GRINDING MACHINE FOR JEWELERY}

The present invention relates to a jewelry polishing apparatus, and more particularly, it is possible to automatically change the polishing angle of the holder on which the polishing object is mounted, and to improve the trouble of having to refit the holder by unifying the polishing process and the polishing process. The present invention relates to a jewelry polishing apparatus that can improve productivity while minimizing a defective rate, and can be easily performed by anyone without skilled workers, and can minimize labor costs, thereby reducing labor costs.

In general, a large number of imitation jewelry is employed in accessories such as hairpins and bags, and clothing. These imitation gemstones are formed with a number of reflective surfaces that reflect light, creating a beauty by sparkling. Typically, the diameter of the dummy jewelry varies from 2 mm to about 10 mm or more, and when attached to accessories or clothes, it is attached in units of tens or hundreds.

The simulated gemstones described above are produced several hundred units at a time by a mold. By the way, since the dummy jewelry produced by the mold has a rough reflection surface and an attachment surface, a process of polishing the reflection surface or the attachment surface is necessary. To this end, after the rough jewelry is attached to the holder, the polishing process is performed by a polishing apparatus. At this time, the process of polishing the fake jewelry is divided into rough polishing process and polish process.

The conventional polishing apparatus is provided with a structure in which a hand stick on which a polishing object is mounted is installed on one side of an upper surface of the support plate, and a polishing wheel driven by a motor is installed in front of the support plate, and a clip for fixing the polishing object is provided at the end of the hand stick. In addition to being installed, the hand stick is provided in a structure that is easy to move up, down, left and right.

However, in the above-described conventional polishing apparatus, when the polishing process is completed through the polishing wheel, the polishing wheel must be removed and the polishing wheel must be mounted again to perform the polishing process, which is cumbersome to perform the polishing process. There was a hassle to set again.

In addition, the hand stick holding the object to be polished in the conventional polishing apparatus is operated by manual operation of the worker, so it is difficult to produce the same product without a skilled worker, and productivity is low because it cannot produce a large quantity of products in a short time. There was a problem, and another problem that requires a large number of workers to increase productivity.

The present invention has been made to solve the conventional problems as described above, the object of the present invention is to automatically change the polishing angle of the holder on which the polishing object is mounted, as well as to unify the holder and polishing process to unify the holder again It is possible to improve the productivity while minimizing the defect rate by improving the hassle that needs to be installed, and it is possible for anyone who is not an experienced worker to perform the work easily, and the worker can be minimized to reduce the labor cost. To provide.

In order to achieve the object of the present invention as described above, the present invention,

In a jewelry polishing apparatus having a holder for holding a polishing object,

Polishing device,

A main body provided with a fixed stage horizontally on the upper side, and a movable stage slidably disposed on the fixed stage and mounted with a holder, and on one side of the main body, a frame portion on which a controller is disposed;

At least one working shaft which is vertically penetrated from the lower part of the fixed stage to the upper part, and at least one working disk in which an ordinary grinding wheel or a conventional polishing wheel is mounted; and a driving motor mounted on one side of the main body and rotating the working shaft. The grinding drive unit; And

Fixed case which is vertically penetrated from the lower part of the fixed stage to the upper part so as to surround the working axis, and is disposed between the fixed case and the working axis so as not to interfere with the rotation of the working axis, and is exposed to the outside of the fixed case on one radial side. And a position adjusting part for elevating and lowering the abrasive driving part while having a movable case in which a rack gear is vertically formed so as to vertically extend from the outside of the main body to a fixed case, and an operation bar in which a pinion gear engaged with the rack gear is formed. Provide a jewelry polishing device.

In addition, the jewelry polishing apparatus further comprises a fixing means for fixing the holder, the fixing means,

A holder mounting portion having a pair of support brackets slidably disposed on an upper portion of the moving stage, and a holder mounting block formed with mounting holes for mounting a plurality of holders while being disposed to face each other between the support brackets;

On the circumferential surface that is pivotally inserted into the mounting hole and exposed to the upper part of the holder mounting block, a stator to which the rotary gear is mounted, has a length longer than the length of the stator, and an indentation groove into which the polishing object is introduced into the upper side is formed and entered. A plurality of incision holes are formed on an outer circumferential surface of the groove, and a holder formed of a chuck integrally formed with an engaging jaw so as to be radially narrowed upwardly on the outer circumferential surface of the inlet groove;

A pair of fixed brackets extending from both ends of the holder mounting block to the upper portion of the holder mounting block, a rotary gear shaft engaged with the rotary gear while both ends are rotatably mounted to the fixed bracket, and a holder rotating motor for rotating the rotary gear shaft. Holder rotating portion having; And

It consists of an angle adjusting portion having a control lever rotatably disposed adjacent to both ends of one side of the holder mounting block, and an adjustment pin that is selectively inserted into the support bracket by the operation of the control lever to fix the pivoted holder mounting block. .

As described above, according to the present invention, the jewelry polishing apparatus is provided by a holder mounting portion to which a plurality of holders held by the polishing object are held and pivoted to one side, and a holder rotating portion for rotating the holder mounted to the holder mounting portion, thereby polishing Since the angle can be changed automatically, there is an advantage that the polishing object can be easily polished even by a skilled worker.

In addition, since the polishing wheel and the polishing wheel can be mounted on one main body, and the moving stage equipped with the holder is guided to the polishing process when the polishing process is completed, the polishing object, which has been polished as in the prior art, can be replaced for the polishing process. It is possible to improve the work efficiency to install in the holder.

1 is a front view schematically showing a jewelry polishing apparatus according to the present invention,

2 is a schematic side view of the jewelry polishing apparatus shown in FIG. 1;

3 is an enlarged cross-sectional view of "A" shown in FIG. 2,

4 is a cross-sectional view of the holder shown in FIG. 1, and

5 is a view schematically showing the angle adjuster shown in FIG.

Explanation of symbols on the main parts of the drawing

100: jewelry polishing device 110: frame portion

114: fixed stage 116: moving stage

130: grinding drive unit 132: working shaft

134: drive motor 150: position adjusting unit

152: fixed case 154: moving case

210: fixing means 220: holder mounting portion

240: holder 242: holder

244: chuck 260: holder rotating part

280: angle adjuster

Hereinafter, with reference to the accompanying drawings will be described a jewelry polishing apparatus according to an embodiment of the present invention.

1 is a front view schematically showing a jewelry polishing apparatus according to the present invention.

As shown, the jewelry polishing apparatus 100 according to the present invention is a frame portion 110, the polishing is mounted to the frame portion 110, the polishing wheel (not shown) and the polishing wheel (not shown) is mounted The driving unit 130, the position adjusting unit 150 for raising and lowering the polishing driving unit 130, and the fixing means 210 is slidably mounted to the frame unit 110 and the polishing object is mounted.

First, the frame part 110 includes a main body 112 having a rectangular enclosure shape in which a fixed stage 114 is provided, and a moving stage 116 slidably disposed on the fixed stage 112. In addition, the frame unit 110 further includes a controller 118 that controls the polishing driving unit 130 and the fixing unit 210 on one side of the main body 112.

The fixed stage 114 is horizontally provided on the upper portion of the main body 112, and a pair of first guide rails 120 are provided on the upper surface of the fixed stage 114. The pair of first guide rails 120 extend along the longitudinal direction of the fixed stage 114.

The moving stage 116 has a substantially rectangular ring shape. Adjacent to each corner of the moving stage 116 is a plurality of legs 122 extending toward the first guide rail 120 side is mounted. Each of the legs 122 is equipped with a first guide block 124 to be slid along the first guide rail 120.

The frame 110 formed as described above is equipped with an abrasive driving unit 130, a position adjusting unit 150, and a fixing unit 210.

FIG. 2 is a schematic side view of the jewelry polishing apparatus shown in FIG. 1, and FIG. 3 is an enlarged cross-sectional view of "A" shown in FIG.

2 and 3, the abrasive driving unit 130 includes one or more working shafts 132 and one or more driving motors 134 for rotating the working shafts 132. That is, one driving motor 134 is connected to one working shaft 132, and two working shafts 132 and two driving motors 134 are illustrated in FIGS. 1 and 2.

The work shaft 132 vertically penetrates from the lower portion of the fixed stage 114 to the upper portion of the fixed stage 114 and is rotatably disposed. On top of this work shaft 132, a settling disk 136 on which a conventional polishing wheel (not shown) or a conventional polished wheel (not shown) is mounted is integrally formed. In addition, on the outer circumferential surface adjacent to the lower portion of the working shaft 132, a normal spline groove 138 is formed along the circumferential surface of the working shaft 132 along the longitudinal direction of the working shaft 132. The spline groove 138 thus formed is equipped with a transfer pulley 140.

Preferably, when two working shafts 132 are provided as shown in FIGS. 1 and 2, a polishing wheel is mounted on one working shaft 132 and a polished wheel on another working shaft 132. More preferably, when only one working shaft 132 is provided, the polishing wheel and the polishing wheel are selectively mounted.

On the other hand, the drive motor 134 is mounted outside one side of the main body 112 adjacent to the working shaft 132. The drive pulley 144 is mounted on the drive shaft 142 extending from the drive motor 134, and the drive pulley 144 and the transfer pulley 140 are connected to each other by the belt 146.

The position adjusting unit 150 includes a fixed case 152 surrounding the work shaft 132, a moving case 154 for lifting and lowering the work shaft 132, and an operation bar for lifting and lowering the moving case 154. 156 is provided. Preferably, the position adjusting unit 150 is provided in the same number as the number of the working shaft 132.

The fixed case 152 has a vertical tubular shape. The fixed case 152 penetrates vertically from the lower portion of the fixed stage 152 to the upper portion of the fixed stage 152 and is fixedly mounted to the fixed case 152.

The moving case 154 is disposed between the fixed case 152 and the working shaft 132 so as not to interfere with the rotation of the working shaft 132. The upper portion of the transfer case 154 is exposed to the outer side of the upper portion of the fixed case 152, the upper portion of the transfer case 154, the protective cylinder 158 to protect the polishing wheel or polished wheel mounted on the settle disk 136 is It is fixedly mounted. As anyone can see the upper portion of the protective container 158 is open, the diameter of the settle disk 136 has a diameter larger than the diameter of the outer peripheral surface of the transfer case (154). Meanwhile, a rack gear 160 is vertically formed along the moving case 154 at one radial side of the moving case 154, and the rack gear 160 may be exposed to the fixed case 152. A vertical guide hole 162 is formed.

On the other hand, the operation bar 156 extends horizontally toward the transfer guide hole 162 of the fixed case 152 from the outside of the main body 112. On the outer circumferential surface of the operation bar 156 extending into the main body 112, a pinion gear 164 that is engaged with the rack gear 160 through the transfer guide hole 162 is mounted, and is disposed outside the main body 112. The operating handle 166 is integrally formed on the arranged operation bar 156.

Referring to FIGS. 1 and 2 again, the fixing means 210 is slidably arranged on the upper part of the moving stage 116 and is mounted on the holder mounting part 220 and the holder mounting part 220. With a plurality of holders 240, holder mounting portion 220, the holder rotating portion 260 for selectively rotating the plurality of holders 240 and the angle adjustment portion 280 for fixing the pivoted holder mounting portion 220 Is done.

The holder mounting portion 220 includes a pair of support brackets 222 slidably disposed on both sides of the upper surface of the moving stage 116, and a pair of holder mounting blocks 224 pivotably mounted to the support bracket 222. ).

The support bracket 222 has a vertical plate shape. A second guide block 226 is mounted below the support bracket 222, and a pair of second guide rails 228 are disposed on both sides of the upper surface of the moving stage 116. The second guide rail 228 is disposed to be orthogonal to the first guide rail 120. On the other hand, the holder mounting block 224 is mounted facing each other between a pair of support brackets (222). The holder mounting block 224 is formed with a plurality of mounting holes 230 penetrating from the top to the bottom, the holder 240 is mounted to the mounting hole 230 to be rotatable.

4 is a cross-sectional view of the holder shown in FIG. 1. Referring to FIG. 4, the holder 240 includes a holder 242 and a rod-shaped chuck 244 disposed inside the holder 242.

The holder 242 has a vertical cylindrical shape and is rotatably inserted into the mounting hole 230 formed in the holder mounting block 224 on the outer circumferential surface of the holder 242 exposed to the upper portion of the holder mounting block 224. The rotary gear 246 is mounted. The chuck 244 has a length longer than the length of the fixture 242. In the lower portion of the chuck 244, an inlet groove 248 is formed in which the polishing object is introduced into the upper side, and a plurality of incision holes 250 are formed along the inlet groove 248 on the outer circumferential surface of the inlet groove 248, On the outer circumferential surface of the inlet groove 248, a locking step 252 is formed integrally extending from the bottom of the chuck 244 to the upper side of the chuck 244. On the other hand, a fixed female screw 254 is formed on the circumferential surface adjacent to the upper portion of the chuck 244 exposed through the upper portion of the fixing table 242 to fix the chuck 244 to the fixing table 242, and the fixed female screw 254 The fixing nut 256 is fastened.

Referring back to FIG. 1, the holder rotating part 260 has a pair of fixing brackets 262 extending from both ends of the holder mounting block 224 to the top of the holder mounting block 224, and both ends of the holder mounting block 224. Rotating gear shaft 264 that is rotatably mounted to the rotary gear 246 and a holder rotating motor 266 for rotating the rotary gear shaft 264, extending from the holder rotating motor 266 The first sub gear 270 is mounted to the rotating shaft 268, and the second sub gear 272 that engages with the first sub gear 270 is mounted at one end of the rotary gear shaft 264. Preferably, the rotary gear 246 and the rotary gear shaft 264 employ a pair of worm gears.

5 is a view schematically showing the angle adjuster shown in FIG. As shown, the angle adjusting unit 280 is pressed to the support bracket 222 by the operation of the control lever 282 and the control lever 282 disposed adjacent to both ends of the one side of the holder mounting block 224. It consists of a control pin (284) is inserted. The control lever 282 is rotatably mounted to the holder mounting block 224, the cam-shaped control plate 286 is integrally formed at the center of rotation of the control lever 282. On the other hand, the adjustment pin 284 is horizontally disposed in the control block 288 disposed to one side of the control lever 282, one end is in contact with the outer peripheral surface of the control plate 286, the other end is pressed to the support bracket 222 Is inserted. That is, when one end of the adjustment pin (284) is in contact with the protrusion of the control plate 286, the other end of the adjustment pin (284) is pressed into the support bracket 222, the opposite end of the control pin (284) is the control plate ( The other end of the adjusting pin 284 is separated from the support bracket 222 when it contacts the settling portion of 286. At this time, in the control block 288, the return spring 290 is built in so that the adjustment pin 284 can be separated from the support bracket 222, and the other end of the adjustment pin 284 is pressurized into the support bracket 222. A curvature insertion hole 292 is formed. The center of curvature of the insertion hole 292 is the same as the center of rotation of the holder mounting block 224 mounted to the support bracket 222.

Hereinafter, the operating state of the jewelry polishing device 100 formed as described above will be briefly described.

1 and 2, the jewelry polishing apparatus 100 shown is provided with two abrasive driving units 130, one working shaft 132, a polishing wheel, another working shaft 132 is polished The wheel is mounted.

First, in order to polish the object to be polished, the moving stage 116 is moved to be disposed on the upper side of the polishing wheel, and the moving stage 116 is guided along the first guide rail 120 disposed on the fixed stage 114. . When the moving stage 116 is disposed above the polishing wheel, the polishing object is mounted on each holder 240 of the fixing means 210. In order to mount the object to be polished to the holder 240, the fixing nut 256 is fastened to the fixed female screw 254 while the object to be polished is inserted into the inlet groove 248 formed in the chuck 244. When the fixing nut 256 is fastened to the fixed female screw 254 in this way, the locking jaw 252 formed in the chuck 244 is inserted into the fixing table 242 to hold the polishing object.

As such, when the object to be polished is mounted on the holder 240, the position adjusting unit 150 is operated to contact the polishing wheel and the object to be polished. In order to elevate the polishing wheel to the polishing object, the operation knob 166 is pivoted to one side. When the operation knob 166 is pivoted, the operation bar 156 and the pinion gear 164 are pivoted, and the pinion gear 164 is rotated. As the meshed rack gear 160 moves up and down, the movement case 154 and the work shaft 132 move up and down. At this time, the lower portion of the work shaft 132 is formed so that the spline groove 138 is sliding so as not to interfere with the transmission pulley 140, the transmission pulley 140 mounted on the working shaft 132 is a fixed case 152 Do not elevate because it interferes with the lower part of.

As described above, when the polishing object is in contact with the polishing wheel, the operator operates the controller 118 to operate the driving motor 134 to perform polishing.

On the other hand, in order to adjust the polishing angle of the polishing wheel and the polishing object, by rotating the control lever 282 of the angle adjusting section 280 to remove the adjusting pin 284 from the support bracket 222, holder mounting portion 220 Turn). When the turning of the holder mounting portion 220 is completed, the adjustment lever 282 is rotated in reverse so that the protrusion of the adjustment plate 284 is in contact with one end of the adjustment pin 284. When the protrusion of the adjusting plate 284 is in contact with one end of the adjusting pin 284, the other end of the adjusting pin 284 is press-inserted into the insertion hole 292.

In addition, to rotate the polishing object while maintaining the polishing angle between the polishing object and the polishing wheel, the controller 118 is operated to operate the holder rotating motor 266 of the holder rotating part 260. When the holder rotation motor 266 is operated, the first sub gear 270 and the second sub gear 272 connected to the holder rotation motor 266 rotate, and rotate as the second sub gear 272 rotates. The gear shaft 264 rotates, and the rotary gear 246 meshed with the rotary gear shaft 264 rotates. As a result, the holder 242 and the chuck 244 of the holder 240 rotate. Preferably, the holder rotation motor 266 rotates only by a preset rotation angle.

When the polishing of the polishing object is completed by the above-described method, the polishing wheel is lowered, and the polishing wheel is raised in the same manner while the moving stage 116 is arranged on the upper portion of the polishing wheel to perform polishing work on the polishing object. do.

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the invention described in the claims. You will understand.

Claims (8)

In a jewelry polishing apparatus having a holder for holding a polishing object, The polishing apparatus, A frame part having a main body provided with a fixed stage horizontally on the upper part, a movable stage slidably disposed on the fixed stage, and equipped with the holder, and having a controller disposed at one side of the main body; One or more working shafts which are vertically penetrated from the lower part of the fixed stage to the upper part, and an upper surface of which is equipped with an orbiting disk to which a conventional polishing wheel or a conventional polished wheel is mounted; A polishing driving unit having a motor; And A fixed case which is vertically penetrated from the lower part of the fixed stage to the upper part so as to wrap the working shaft, and is disposed between the fixed case and the working shaft so as not to interfere with the rotation of the working shaft, The polishing drive unit has a movable case in which a rack gear is vertically exposed to the outside of the fixed case, and an operation bar extending horizontally from the outside of the main body to the fixed case side and a pinion gear engaged with the rack gear. Jewelry polishing apparatus comprising a position adjusting unit for lifting and lowering. According to claim 1, wherein the first guide rail extending in the longitudinal direction of the fixed stage is formed on the upper surface of the fixed stage, the moving stage has a rectangular ring shape and adjacent to each corner of the first A plurality of legs extending to the guide rail side is mounted, jewelry legs, characterized in that the first guide block is mounted to be slid along the first guide rail. According to claim 1, On the outer circumferential surface adjacent to the lower portion of the working shaft is formed along the circumferential surface of the working shaft is a normal spline groove along the longitudinal direction of the working shaft, the spline groove is mounted with a transfer pulley, the transfer pulley Jewelry polishing apparatus, characterized in that connected by a drive pulley and a belt mounted to the drive shaft extending from the drive motor. According to claim 1, wherein the upper portion of the movable case is fixed to the protective cylinder for protecting the polishing wheel or the polished wheel mounted on the settle disk, the fixing case vertically long so that the rack gear is exposed The transport guide hole is formed, the jewelry polishing device, characterized in that the operation handle is integrally formed on the operation bar disposed on the outside of the main body. According to claim 1, The jewelry polishing apparatus, The holder further comprises a fixing means for fixing, The fixing means, A holder mounting portion having a pair of support brackets slidably disposed on an upper portion of the moving stage, and a holder mounting block having a mounting hole formed to face the plurality of holders while being disposed to face each other between the support brackets; A swivel that is rotatably inserted into the mounting hole and is mounted on the circumferential surface exposed to the upper portion of the holder mounting block, and has a length longer than the length of the swivel, and an indentation groove into which the polishing object is introduced into the upper side. The holder is formed and a plurality of cutting holes are formed on the outer circumferential surface of the inlet groove, the holder consisting of a chuck integrally formed with a locking jaw to be radially narrowed to the upper side on the outer circumferential surface of the inlet groove; A pair of fixed brackets extending from both ends of the holder mounting block to an upper portion of the holder mounting block, a rotary gear shaft engaged with the rotary gear while both ends are rotatably mounted to the fixed bracket, and rotating the rotary gear shaft. A holder rotating part having a holder rotating motor; And An adjustment lever rotatably disposed adjacent to both ends of one side of the holder mounting block, and an adjustment pin selectively pressed into the support bracket by an operation of the adjustment lever to fix the pivoted holder mounting block. Jewelry polishing device, characterized in that consisting of an angle adjustment. The jewel of claim 5, wherein a second guide block is mounted to a lower portion of the support bracket, and a second guide rail to which the second guide block is slidably coupled to both sides of an upper surface of the moving stage. Polishing device. According to claim 5, On the circumferential surface adjacent to the upper portion of the chuck exposed through the upper portion of the fixing member is formed a fixing female screw for fixing the chuck to the fixing member, the fixing nut is fastened to the fixing female screw, the holder rotation A first sub gear is mounted to the rotating shaft extending from the motor, and a second sub gear meshed with the first sub gear is mounted at one end of the rotary gear shaft. According to claim 5, wherein the center of rotation of the control lever is a cam-shaped control plate is integrally formed, the control pin is arranged horizontally in the control block disposed to one side of the control lever, one end and the outer peripheral surface of the control plate The other end is pressurized into the support bracket, and a return spring is built in the control block so as to detach the control pin from the support bracket, and the support bracket has a curvature in which the other end of the control pin is pressurized. Jewelry polishing apparatus, characterized in that the insertion hole of the shape is formed.