KR101650405B1 - Automatic accurate finishing apparatus - Google Patents

Automatic accurate finishing apparatus Download PDF

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Publication number
KR101650405B1
KR101650405B1 KR1020150048168A KR20150048168A KR101650405B1 KR 101650405 B1 KR101650405 B1 KR 101650405B1 KR 1020150048168 A KR1020150048168 A KR 1020150048168A KR 20150048168 A KR20150048168 A KR 20150048168A KR 101650405 B1 KR101650405 B1 KR 101650405B1
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KR
South Korea
Prior art keywords
unit
holding unit
sandpaper
base
disposed
Prior art date
Application number
KR1020150048168A
Other languages
Korean (ko)
Inventor
박길미
Original Assignee
박길미
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Filing date
Publication date
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Priority to KR1020150048168A priority Critical patent/KR101650405B1/en
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Publication of KR101650405B1 publication Critical patent/KR101650405B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/04—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • B24B21/22—Accessories for producing a reciprocation of the grinding belt normal to its direction of movement

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The present invention relates to a table; A base which is erected on an upper portion of the table; A holding unit disposed on an upper side of the table for fixing the mating object; A processing unit including two rotating rollers disposed horizontally on the upper side of the holding unit, driving means for transmitting rotational driving force to one of the two rotating rollers, and sandpaper wound on the two rotating rollers; And a retracting unit for reciprocating the holding unit in the forward and backward directions,
And the surface of the marshalling target object is uniformly mapped by the sandpaper while the holding unit by the advancing / retreating unit performs the reciprocating linear motion back and forth during rotation of the sandpaper of the processing unit.

Description

{AUTOMATIC ACCURATE FINISHING APPARATUS}

The present invention relates to a device for mapping a surface of a smart device such as a smart phone, and more particularly, to a device for mapping a surface of a smart device such as a smart phone, This is a technique related to an automatic precision mapping apparatus.

As a technique relating to the surface processing of a metal object,

Korean Patent Laid-Open No. 10-2008-0098155 (published on November 11, 2008, hereinafter referred to as "prior art") refers to a metal sheet material having a continuous hair line in a curved surface and a flat surface, Line processing apparatus and method "

A plurality of rotating rollers circulatingly rotating the sandpaper so as to form a closed curve in a vertical plane; a plurality of rotating rollers for supporting the upper surface of the metal plate so as to be in contact with the lower surface of the sandpaper, And a pressing unit which is disposed between the holder unit and the rotating roller adjacent to the holder unit and urges the rotating sandpaper to the outside of the closed curve, The present invention relates to a machining apparatus and method for performing continuous hairline processing on a metal plate material including both a curved surface and a plane and a hairline machined continuously on the curved surface and a plane, and a metal plate including a curved surface and a plane.

An object of the present invention is to provide an automatic precision mapping apparatus capable of uniformly mapping the surface of a fusing target object during rotation of a sandpaper by enabling a front-back linear reciprocating motion of a holding unit with a fusing target fixed thereon.

It is another object of the present invention to provide an automatic precision mapping apparatus capable of adjusting a reciprocating linear distance of a holding unit so as to cope with the width of a target object.

It is another object of the present invention to provide an automatic precision mapping apparatus capable of adjusting the degree of pressing of a sandpaper to be processed in consideration of wear of a sandpaper and a depth of a firing target.

In order to solve the above problems, an automatic precision mapping apparatus according to the present invention includes:

table;

A base which is erected on an upper portion of the table;

A holding unit disposed on an upper side of the table for fixing the mating object;

A processing unit including two rotating rollers disposed horizontally on the upper side of the holding unit, driving means for transmitting rotational driving force to one of the two rotating rollers, and sandpaper wound on the two rotating rollers; And

A forward / backward unit for reciprocating front and rear of the holding unit;

, ≪ / RTI >

And the surface of the marshalling target object is uniformly mapped by the sandpaper while the holding unit by the advancing / retreating unit performs the reciprocating linear motion during rotation of the sandpaper of the processing unit.

In the automatic precision mapping apparatus according to the present invention,

There is the greatest effect that the mapping uniformity to the mapping object can be greatly improved through the forward and backward linear reciprocating operation of the mapping unit, in particular, the holding unit in which the case for the smart device made of metal is fixed.

1 is a three-dimensional schematic view showing an automatic precision mapping apparatus according to the present invention,
Fig. 2 is a front structural view of Fig. 1,
3 is a cross-sectional structural view taken along line AA of FIG. 2,
Fig. 4 is a cross-sectional view showing the structure of Fig. 2B,
FIG. 5 is a cross-sectional view of CC of FIG. 2,
Fig. 6 is a partial plan view showing the retractable unit. Fig.

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

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

The front plate side is referred to as the front side or front side and the base side is referred to as the rear side or the rear side based on Fig. 1, and the tension roller side is referred to as the upper side or the upper side, .

1 to 6, the automatic precision mapping apparatus according to the present invention includes:

And comprises a table 10, a base 20, a holding unit 30, a processing unit 40, and a retracting unit 50.

Looking at each configuration,

The table (10)

As shown in Figs. 1 and 2,

The frame 11 has a hexahedron structure and is provided with a floor plate 12 at the upper part and a moving caster 13 at the lower part.

The base 20

As shown in Figs. 1 to 5,

And a flat plate structure that is erected on the upper part of the rear side of the floor plate 12 of the table 10.

The holding unit 30

As shown in Figures 1 and 5,

Is disposed on the front of the floor plate (12) of the table (10) for fixing the mating object (1)

A two-top LM guide 31, which is installed on the upper portion of the bottom plate 53 of the advancing / retreating unit 50 to be described later,

Two tower blocks 32 respectively coupled to the top two LM guides 31,

A horizontal plate 33 interconnecting the upper portions of the two tower blocks 32,

A support 34 installed above the horizontal plate 33, and

A piston 35 connected to the rear end of the horizontal plate 33 and a cylinder 36 installed in the base 20 to advance and retreat the piston by pneumatic or hydraulic pressure,

.

The front and rear positions of the horizontal plate 33 and the support 34 can be adjusted along the two tower EM guides 31 when the piston 35 moves back and forth by the cylinder 36. [

In addition, the 'ideological object' may be any article requiring a surface mapping, and in the present invention, a case for a smart device such as a smart phone corresponds to the case.

At this time, the case has an internal space part for accommodating the smart device, and the support 34 is structured to be fitted in a form occupying the internal space part of the case.

The processing unit 40

As shown in Figures 2, 3 and 5,

For mapping the surface of the object 1,

Two rotating rollers 41 disposed on the upper side of the holding unit 30 so as to be spaced apart from each other,

A driving means (42) for transmitting a rotational driving force to one of the two rotating rollers (41), and

The sandpaper 43 wrapped around the two rotating rollers 41,

.

The two rotating rollers 41 are installed on a front surface of a front plate 63 of a lift unit 60 to be described later.

1 to 3, the driving means 42 includes:

A driving motor 422 installed at the upper right side of the front plate 63 and having a driving pulley 421 at the rear,

A driven pulley 423 which is connected to a rotating roller 41 located on the right side of the two rotating rollers 41 and is disposed behind the base 20 through the front plate 63 and the base 20,

The drive pulley 421 and the drive belt 424 wound on the driven pulley 423,

.

In this case, it is preferable that the base 20 is formed with an elongated slot 21 in consideration of the fact that the rotary roller 41 is displaced up and down by a lift unit 60 to be described later.

The processing unit 40 is further provided with tension means 44 for adjusting the tension on the sandpaper 43,

As in Figure 5, the tension means 44

A tension LM guide 441 installed at the center of the upper portion of the front plate 63 and having a vertical length,

A tension roller 442 coupled to the tension LMP guide 441 and supporting the inner circumferential surface of the sandpaper 43,

A tension cylinder 443 connected to the tension roller 442 and a tension cylinder 444 having the tension piston 443 built therein and being advanced or retracted by pneumatic or hydraulic pressure and installed on the front plate 63,

.

The advance / retreat unit 50

As shown in Figs. 5 and 6,

For reciprocating the holding unit 30 in the forward and backward directions,

Two bottom LM guides (51) are installed on the upper portion of the front of the floor plate (12) of the table (10)

Two bottom blocks 52 coupled to the upper portions of the two bottom LM guides 51,

A bottom plate 53 interconnecting the upper portions of the two bottom blocks 52 and supporting the lower portion of the holding unit 30,

A rod 55 coupled to the rear end of the bottom plate 53 by a vertical load pin 54 so as to be pivoted in the left and right direction,

A forward / backward driving motor 57 disposed behind the base 20 and having a forward / backward drive shaft 56 at the lower side thereof,

And a relay rod pin 58 coupled to the advancing / retreating drive shaft 56 of the advancing and retreating drive motor 57 and fitted to the rear end of the rod 55. The forward and reverse drive shaft 56 and the relay rod pin 58 The relay member 59, which is disposed on the same non-

.

Here, as shown in the right upper dashed line in Fig. 6, the relay member 59

A top relay body 591 having a shaft hole 591a which is downwardly inserted into the upper portion and into which the advancing / retreating drive shaft 56 is inserted and a T-shaped fitting space portion 591b horizontally penetrating the lower portion,

A bottom transitional body 592 having a T-shaped protrusion 592a slidably fitted into the fitting space 591b of the top transit body 591 and the transit rod pin 58 disposed under the protrusion 592a,

A binding means 593 for mutual engagement and disengagement of the top transit body 591 and the bottom transit body 592,

Lt; / RTI >

At this time, as shown in FIG. 5, the binding means 593

A fastening hole 593a formed horizontally through the fitting space 591b of the top relay body 591,

A fastening bolt 593b which is fastened to the fastening hole 593a and has an end to press the protrusion 592a of the bottom relay body 592,

.

The displacement of the bottom transitional body 592 with respect to the protrusion 592a in the fitting space portion 591b of the top transit body 591 is canceled by the coupling means 593, So that the reciprocating linear distance of the holding unit 30 can be adjusted.

In other words, when the projection 592a is displaced in the fitting space 591b, when the distance between the advancing / retreating drive shaft 56 and the relay rod pin 58 is shortened, the eccentric radius becomes small and the holding unit 30 ) Is also shortened,

Conversely, if the distance between the advancing / retreating drive shaft 56 and the relaying rod pin 58 is increased, the eccentric radius becomes larger, and the reciprocating linear distance of the holding unit 30 becomes longer.

As a result, the position of the bottom relay body 592 is set in consideration of the surface width of the firing target 1 and the degree of uniformity of the firing.

6, when the marshalling object 1 mapped by the sandpaper 43 is positioned at the center of the sandpaper 43,

The relaying member 59 is rotated as shown in [B] of FIG. 6 so that the marshalling object 1 is gradually moved to the right of the sandpaper 43. Then, as shown in FIG. 6, 43).

Consequently, when the sandpaper 43 of the processing unit 40 is rotated, the holding unit 30 by the advancing and retreating unit 50 reciprocates linearly in the forward and backward directions, ) Surface is uniformly mapped.

On the other hand, the automatic precision mapping apparatus according to the present invention further includes a lifting unit (60)

The elevating unit (60)

As shown in Figures 1, 3 and 5,

Two front LM guides 61 coupled to left and right sides of the front surface of the base 20 and having a vertical length,

A front plate 63 having two front blocks 62 coupled to the two front ELM guides 61 and having the two rotation rollers 41,

A shaft 64 erected on the back of the base 20 and having a spiral portion on the outer circumferential surface,

A lift block 65 provided on the rear surface of the front plate 63 and having a corresponding spiral portion on the inner peripheral surface thereof with the spiral portion,

A servo motor 66 installed on the rear surface of the base 20 for transmitting a rotational driving force to the shaft 64,

.

As a result, the servo motor 66 is driven to vertically move up and down with the front plate 63 along the shaft 64, so that the upper and lower positions of the sandpaper 43 wound on the two rotating rollers 41 can be adjusted .

The predetermined value of the servo motor 66 (for example, the value of the number of rotations of the sandpaper 43, the time value, etc.) is set in consideration of the wear of the surface of the sandpaper 43 and the surface roughness of the firing object 1, The front plate 63 is lowered to adjust the pressing degree of the sandpaper 43 with respect to the firing target object 1.

On the other hand, the automatic precision mapping apparatus according to the present invention further includes a balance unit 70,

The balance unit (70)

As shown in Figures 1, 2 and 5,

To prevent the two rotating rollers 41 and the tension roller 442 from being inclined forward,

A balance weight 71 disposed behind the base 20,

A guide roller 72 mounted on the base 20, and

A wire 73 that interconnects the front plate 63 and the balance weight 71 and is supported by the guide roller 72,

.

At this time, two or more guide rollers 72 may be disposed in the front and rear, and a pair of the balance units 70 may be provided on the left and right sides of the base 20, respectively. The weight of the balance unit 70 and the weight of the balance weight 71 can be changed within a range in which balance can be compensated by compensating for the bias toward the front side.

The automatic precision mapping apparatus according to the present invention comprises a cover 80 for covering and protecting the sandpaper 43 and a cover 80 disposed on the floor plate 12 of the table 10 and mapped by the sandpaper 43, A collecting bracket 90 for collecting the effluent of the object 1, and the like.

A down block 100 installed between the two rotating rollers 41 on the front surface of the front plate 63 to support the inner circumferential surface of the sandpaper 43, as shown in FIGS. 1, 2 and 5, And it is preferable that the down block 100 is also configured to be capable of adjusting the vertical position.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the present invention is not limited to the disclosed embodiments, but variations and modifications may be made without departing from the spirit and scope of the present invention as defined by the appended claims. And should be construed as falling within the scope of protection of the invention.

10: Table
11: Frame 12: Floor plate
13: Casters
20: Base
21: Slots
30: Holding unit
31: Top Elm Guide 32: Top Block
33: Horizontal plate 34: Support
35: piston 36: cylinder
40: Machining unit
41:
42: drive means 421: drive pulley
422: drive motor 423: driven pulley
424: drive belt
43: Sandpaper
44: Tensioning means 441: Tensioning LM Guide
442: Tension roller 443: Tension piston
444: Tension cylinder
50: retractable unit
51: Bottom LM Guide 52: Bottom Block
53: bottom plate 54: vertical load pin
55: rod 56:
57: forward / backward driving motor 58: relay load pin
59: Relay member 591: Top relay body
591a: shaft hole 591b: fitting space part
592: Bottom relay body 592a:
593: Coupling means 593a:
593b: fastening bolt
60: Lift unit
61: Front LM Guide 62: Front Block
63: front plate 64: shaft
65: Lift block 66: Servo motor
70: Balance unit
71: Balance weight 72: Guide roller
73: Wire
80: cover
90: Collection Bracket
100: Down block

Claims (5)

A table (10);
A base 20 which is erected on the rear of the table 10;
A holding unit 30 disposed on the front of the table 10 for fixing the mating object 1;
Two rotating rollers 41 disposed on the upper side of the holding unit 30 so as to be spaced apart from each other, driving means 42 for transmitting rotational driving force to one of the two rotating rollers 41, A processing unit (40) including sandpaper (43) wound on two rotating rollers (41); And
A forward / backward unit 50 for reciprocating the holding unit 30 forward and backward;
, ≪ / RTI >
When the sandpaper 43 of the machining unit 40 is rotated, the holding unit 30 by the advancing / retreating unit 50 reciprocates back and forth linearly, and the surface of the marshalling object 1 is sandwiched by the sandpaper 43 Uniformly mapped,
The advancing and retracting unit 50 includes two bottom LM guides 51 which are installed at left and right portions of the front upper portion of the table 10 and have front and rear lengths, two bottom blocks 52 A bottom plate 53 interconnecting the upper portions of the two bottom blocks 52 and supporting the lower portion of the holding unit 30, A rod 55 coupled to the base 20 by a rod 54 and a forward and backward drive motor 57 disposed behind the base 20 and having a forward and backward drive shaft 56 at a lower side thereof, And a relay rod pin 58 which is coupled to the rear end of the rod 55 and is fitted to the rear end of the rod 55. The forward rod 56 and the relay rod pin 58 are disposed on the same non- And the relay member 59. When the forward / backward driving motor 57 is driven, the two bottom LM guides 51 The holding unit 30 is reciprocated linearly forward and backward,
The relay member 59 includes a top relay body 591 having a shaft hole 591a which is downwardly inserted into the upper portion and into which the advancing / retreating drive shaft 56 is inserted and a T-shaped fitting space portion 591b horizontally penetrating the lower portion, A bottom transitional body 592 having a T-shaped protrusion 592a slidably fitted into the fitting space 591b of the top transit body 591 and the transit rod pin 58 disposed under the protrusion 592a, (593) for mutual engagement and disengagement of the top relay body (591) and the bottom relay body (592), and the coupling means (593) 592b of the bottom relay body 592 can be displaced in the fitting space 591b of the holding unit 591 so that the reciprocating linear distance of the holding unit 30 can be adjusted Wherein said automatic precision mapping device comprises:
delete delete The method according to claim 1,
Two front LM guides 61 coupled to left and right sides of the front surface of the base 20 and having a vertical length and two front blocks 62 coupled to the two front LM guides 61, A front plate 63 provided on the rear surface of the front plate 63 and a shaft 64 provided on the rear surface of the front plate 63 and having a spiral portion on the outer circumferential surface, And a lift unit 60 that is provided on the rear surface of the base 20 and includes a servomotor 66 that transmits rotational driving force to the shaft 64,
The front plate 63 is moved down according to a predetermined value of the servo motor 66 so that the degree of pressing of the sandpaper 43 with respect to the object to be matched 1 can be adjusted. Device.
5. The method of claim 4,
A balance weight 71 disposed at the rear of the base 20, a guide roller 72 provided at an upper portion of the base 20, and a guide plate 72 connecting the front plate 63 and the balance weight 71, Further comprising a balance unit (70) made up of a wire (73) supported by a roller (72).
KR1020150048168A 2015-04-06 2015-04-06 Automatic accurate finishing apparatus KR101650405B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110216555A (en) * 2019-05-22 2019-09-10 厦门达科塔机械有限公司 A kind of belt grinder
CN113878434A (en) * 2021-11-03 2022-01-04 广州太威机械有限公司 Vertical gravity floating deburring device
KR102642231B1 (en) * 2023-11-24 2024-02-29 (주)세일엔지니어링 A device for surface treatment of the upper part of a suspension plate
CN117884998A (en) * 2024-03-14 2024-04-16 山西宏坊电力金具制造有限公司 Hardware fitting machining polishing jig, polishing machine and use method of polishing machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542473A (en) * 1991-08-10 1993-02-23 Amitec Kk Belt sander
JPH07186034A (en) * 1993-12-27 1995-07-25 Fuji Photo Film Co Ltd Polishing device
KR20090006369A (en) * 2007-07-11 2009-01-15 차인선 Apparatus for grinding ultra-precision diamond tip

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542473A (en) * 1991-08-10 1993-02-23 Amitec Kk Belt sander
JPH07186034A (en) * 1993-12-27 1995-07-25 Fuji Photo Film Co Ltd Polishing device
KR20090006369A (en) * 2007-07-11 2009-01-15 차인선 Apparatus for grinding ultra-precision diamond tip

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110216555A (en) * 2019-05-22 2019-09-10 厦门达科塔机械有限公司 A kind of belt grinder
CN113878434A (en) * 2021-11-03 2022-01-04 广州太威机械有限公司 Vertical gravity floating deburring device
KR102642231B1 (en) * 2023-11-24 2024-02-29 (주)세일엔지니어링 A device for surface treatment of the upper part of a suspension plate
CN117884998A (en) * 2024-03-14 2024-04-16 山西宏坊电力金具制造有限公司 Hardware fitting machining polishing jig, polishing machine and use method of polishing machine
CN117884998B (en) * 2024-03-14 2024-05-17 山西宏坊电力金具制造有限公司 Hardware fitting machining polishing jig, polishing machine and use method of polishing machine

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