US20120040593A1

US20120040593A1 - Coating and cylindrical grinding apparatus

Info

Publication number: US20120040593A1
Application number: US12/949,816
Authority: US
Inventors: Shao-Kai Pei
Original assignee: Hon Hai Precision Industry Co Ltd
Current assignee: Hon Hai Precision Industry Co Ltd
Priority date: 2010-08-10
Filing date: 2010-11-19
Publication date: 2012-02-16
Also published as: TWI409139B; TW201206631A

Abstract

A coating and cylindrical grinding apparatus includes a main body defining a cavity, a roller device, a liquid jetting device, a heating device, a cylindrical grinding device, and a support device received in the cavity. The roller device includes a number of rollers positioned along a first direction and is used for coating a work-piece. The liquid jetting device is mounted above the roller device for ejecting coating liquid to the roller device. The heating device heats the work-piece. The cylindrical grinding device includes a grinding wheel positioned at an end of the cavity along a second direction substantially perpendicular to the first direction. The support device includes a support plate for supporting the work-piece, the support device is capable of carrying the work-piece to contact the rollers or the grinding wheel.

Description

BACKGROUND

1. Technical Field
The present disclosure relates to a coating and cylindrical grinding apparatus.
2. Description of Related Art
Round coated work-pieces, such as round coated glass pieces, are widely used in optical equipments. The round coated work-pieces are produced by cutting a substrate into many small rectangular pieces, then cylindrical grinding and coating the small rectangular pieces, thus to get the round coated work-pieces. The sequence of the cylindrical grinding process and the coating process can be exchanged. However, the cylindrical grinding process and the coating process are executed at different apparatuses, thus, when the foregoing process is finished, the work-pieces must be unloaded from an apparatus, transported to another apparatus, loaded on the another apparatus, then endure the next process. The unloading, transporting, and loading process prolong the whole time for producing the work-pieces. Furthermore, the work-pieces may be polluted in the unloading, transporting, and loading process and become useless.
Thus, what is needed is a coating and cylindrical grinding apparatus that can overcome the above-mentioned limitations.

BRIEF DESCRIPTION OF THE DRAWINGS

Many aspects of the embodiments can be better understood with reference to the following drawings. The components in the drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the present disclosure. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views.

FIG. 1 is a schematic, isometric view of a coating and cylindrical grinding apparatus according to an exemplary embodiment.

FIG. 2 is a schematic, cross-sectional view of the coating and cylindrical grinding apparatus of FIG. 1.

FIG. 3 shows a work-piece being coated using the coating and cylindrical grinding apparatus of FIG. 1.

FIG. 4 shows a work-piece being heated using the coating and cylindrical grinding apparatus of FIG. 1.

FIG. 5 shows a work-piece being cylindrical grinded using the coating and cylindrical grinding apparatus of FIG. 1.

DETAILED DESCRIPTION

Referring to FIGS. 1 to 3, a coating and cylindrical grinding apparatus 100, according to an exemplary embodiment is shown. The coating and cylindrical grinding apparatus 100 includes a main body 10, a roller device 20, a liquid jetting device 30, a heating device 40, a cylindrical grinding device 50, and a support device 60. The roller device 20, the liquid jetting device 30, the heating device 40, the cylindrical grinding device 50, and the support device 60 are all received in the main body 10. The support device 60 carries a work-piece 90 to process the work-piece 90 with the roller device 20 and the cylindrical grinding device 50.
The main body 10 is a housing with a cuboid cavity 101 defined therein to receive the roller device 20, the liquid jetting device 30, the heating device 40, the cylindrical grinding device 50, and the support device 60. The cavity 101 is substantially sealed to prevent the cut chips from sputtering out. The main body 10 defines an opening 102 communicating with the cavity 101 for ingress and egress of the work-piece 90. The opening 102 is positioned at an end of the cavity 101 along a longitudinal direction thereof. A slide rail 103 is received in the cavity 101 and is positioned at the bottom of the cavity 101. The slide rail 103 extends along the longitudinal direction of the cavity 101.
The roller device 20 includes a number of rollers 201 arrayed along the longitudinal direction of the cavity 101. The roller 201 is barrel-shaped. Each roller 201 is rotatably connected to the main body 10 by a first shaft 202. The first shaft 202 is connected to a motor (not shown). The roller 201 is driven by the motor to rotate. In the present embodiment, the roller 201 is positioned above the middle portion of the cavity 101.
The liquid jetting device 30 is mounted on the main body 10 and above the roller device 20. The liquid jetting device 30 includes a liquid container 301 and a nozzle 302. The liquid container 301 is positioned out of the cavity 101. The nozzle 302 is positioned in the cavity 101. The liquid container 301 communicates with the nozzle 302. The liquid container 301 stores a coating liquid. The nozzle 302 ejects the coating liquid to the rollers 201, so that the rollers 201 can coat the coating liquid on the work-piece 90.
The heating device 40 heats the work-piece 90 to solidify the coating liquid to form a coating film. In this embodiment, the heating device 40 is mounted on the main body 10, and positioned between the roller device 20 and the cylindrical grinding device 50.
The cylindrical grinding device 50 is positioned at an end of the cavity 101 away from the opening 102 along a direction substantially perpendicular to the longitudinal direction of the cavity 101. The cylindrical grinding device 50 grinds the outer diameter of the work-piece 90. The cylindrical grinding device 50 includes a grinding wheel 501. The grinding wheel 501 is barrel-shaped. The grinding wheel 501 is rotatably connected to the main body 10 with a second shaft 502. The second shaft 502 is connected to a motor (not shown). The grinding wheel 501 is driven by the motor to rotate for grinding the outer diameter of the work-piece 90. The rotation direction of the grinding wheel 501 is perpendicular to the rotation direction of the roller 201 because the rolled surface of the work-piece 90 is perpendicular to the coated surface of the work-piece 90. The grinding wheel 501 is an emery wheel.
The support device 60 includes a drive unit 602, an elevation unit 603 fixed on the drive unit 602, and a support plate 604 fixed on the elevation unit 603. The drive unit 602 is slidably mounted on the slide rail 103. The drive unit 602 includes a stepper motor (not shown). The elevation unit 603 is mounted on the stepper motor and driven by the stepper motor to move up and down relative to the roller 201. In the present embodiment, the elevation unit 603 is a hollow threaded shaft. The support plate 604 is rotatably connected to an end of the elevation unit 603 away from the drive unit 602. The support plate 604 defines a suction hole 605 communicating with a vacuum device (not shown) by the elevation unit 603. The vacuum device is capable of providing different suction levels to hold the work-piece 90 on the support plate 604. The support device 60 includes a motor (not shown) for driving the drive unit 602 to move along the slide rail 103.
The coating and cylindrical grinding apparatus 100 further includes a cleaning device 70. The cleaning device 70 is positioned adjacent to the cylindrical grinding device 50 for jetting cleaning fluid to the work-piece 90 during in the cylindrical grinding process. A collection and discharge device (not shown) is positioned at the bottom of the cavity 101 for collecting chips and discharging cleaning fluid.
Referring to FIGS. 3-5, an operation process of the coating and cylindrical grinding apparatus 100 is shown. The support device 60 is moved to an end of the slide rail 103 near the opening 102, and the support plate 604 moves down towards the bottom of the cavity 101. The work-piece 90 is first put on the support plate 604 through the opening 102. The support plate 604 engages the work-piece 90. Then the support device 60 moves towards the opposite end of the slide rail 103. The motor of the support device 60 drives the elevation unit 603 to rise until the surface of the work-piece 90 contacts with the rollers 201. The nozzle 302 ejects the coating liquid. The rollers 201 turn to coat the coating liquid on the surface of the work-piece 90. The support device 60 reciprocates along the slide rail 103 to coat the coating liquid on the surface of the work-piece 90 substantially and evenly. Then the support device 60 moves to the position beneath the heating device 40. The heating device 40 heats the work-piece 90 to solidify the coating liquid, thus to form a coating film.
The support device 60 moves to the grinding wheel 501 when the coating process is completed. The work-piece 90 makes contact with the grinding wheel 501. The grinding wheel 501 turns and rotates the work-piece 90 to grind the work-piece 90 into a circular shape. The cleaning device 70 jets cleaning fluid at the work-piece 90 when the work-piece 90 is rolled.
The support device 60 moves to the position beneath the heating device 40 again when the work-piece 90 is completely rolled. The heating device 40 dries the work-piece 90. Finally, the work-piece 90 is taken out from the opening 102.
The preceding sequence of the coating process and the cylindrical grinding process is not fixed. That is, a work-piece 90 can first be coated, then cylindrical ground, or first cylindrical ground, and then coated.
It will be understood that the above particular embodiments are shown and described by way of illustration only. The principles and the features of the present disclosure may be employed in various and numerous embodiments thereof without departing from the scope of the disclosure as claimed. The above-described embodiments illustrate the scope of the disclosure but do not restrict the scope of the disclosure.

Claims

What is claimed is:

1. A coating and cylindrical grinding apparatus, comprising:

a main body defining a cavity therein;

a roller device received in the cavity, the roller device comprising a plurality of rollers positioned along a first direction and configured for coating a work-piece;

a liquid jetting device mounted above the roller device, configured for ejecting coating liquid to the roller device;

a heating device received in the cavity, configured for heating the work-piece;

a cylindrical grinding device received in the cavity, the cylindrical grinding device comprising a grinding wheel positioned at an end of the cavity along a second direction substantially perpendicular to the first direction; and

a support device received in the cavity, the support device comprising a support plate for supporting the work-piece, the support device capable of carrying the work-piece to contact the rollers or the grinding wheel.

2. The coating and cylindrical grinding apparatus as claimed in claim 1, wherein the main body defines an opening communicating with the cavity for ingress and egress of the work-piece.

3. The coating and cylindrical grinding apparatus as claimed in claim 1, further comprising a slide rail received in the cavity, the slide rail positioned on the bottom of the cavity, and extending parallel to the first direction of the cavity.

4. The coating and cylindrical grinding apparatus as claimed in claim 3, wherein the support device comprises a drive unit slidably positioned on the slide rail, and an elevation unit positioned on the drive unit, the support plate is rotatably connected to an end of the elevation unit, the elevation unit is capable of being driven by the drive unit to move toward or away from the rollers.

5. The coating and cylindrical grinding apparatus as claimed in claim 4, wherein the support plate defines a suction hole for sucking the work-piece.

6. The coating and cylindrical grinding apparatus as claimed in claim 5, wherein the elevation unit is a hollow threaded shaft, the suction hole is communicated to the elevation unit.

7. The coating and cylindrical grinding apparatus as claimed in claim 1, further comprising a cleaning device positioned adjacent to the cylindrical grinding device for jetting cleaning fluid to the work-piece during a cylindrical grinding process.

8. The coating and cylindrical grinding apparatus as claimed in claim 1, wherein the grinding wheel is emery wheel.

9. The coating and cylindrical grinding apparatus as claimed in claim 1, wherein each of the rollers and the grinding wheel are barrel-shaped.

10. The coating and cylindrical grinding apparatus as claimed in claim 1, wherein the cavity is cuboid shaped.

11. The coating and cylindrical grinding apparatus as claimed in claim 1, wherein the liquid jetting device comprises a liquid container configured for storing the coating liquid and a nozzle configured for ejecting the coating liquid to the rollers.