KR101562638B1 - Coating apparatus - Google Patents
Coating apparatus Download PDFInfo
- Publication number
- KR101562638B1 KR101562638B1 KR1020150071595A KR20150071595A KR101562638B1 KR 101562638 B1 KR101562638 B1 KR 101562638B1 KR 1020150071595 A KR1020150071595 A KR 1020150071595A KR 20150071595 A KR20150071595 A KR 20150071595A KR 101562638 B1 KR101562638 B1 KR 101562638B1
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- South Korea
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- unit
- coating material
- coating
- heating
- fastening object
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2258/00—Small objects (e.g. screws)
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- Coating Apparatus (AREA)
Abstract
Description
More particularly, the present invention relates to a coating apparatus, and more particularly, to a coating apparatus in which a fastening object having a head part and a body part is divided into two parts of a head part and a body part and sequentially heated to coat the coating material, To a coating apparatus capable of improving the coating quality.
Screws (e.g., screws, bolts, etc.), nuts, or rivets are generally used to join two or more plates or mechanical parts.
The object to be fastened such as a screw or a rivet (herein, a fastening object means a fastening object to be subjected to a coating process on the basis of a coating device) includes a body portion passing through two or more plate members or mechanical parts, And a head part provided at one end of the body part, and a coating technique for coating the surface of the object to be fastened with the coating material to provide an additional function or to improve the surface quality has already been known.
The coating material used in the coating method of the fastening object is determined according to the object to be coated or the object of coating. For example, a fastening object such as a screw or a rivet has a function of preventing leakage, leakage, Lt; RTI ID = 0.0 > of < / RTI >
The coating apparatus of the fastening object and the coating method using the fastening object according to the prior art are configured to coat the body of the fastening object with a powdery or liquid coating material, and when using the powdery coating material, the coating material is deposited A heating unit for heating the object to be fastened in advance is provided or used.
However, in the conventional coating apparatus and coating method, only the body portion of the fastening object is coated intensively. In the case of a fastening object used for a component using electric power, therefore, There is a risk that a leaked current may be conducted to a human body of an operator who performs an operation of tightening and unlocking the object to be fastened.
Accordingly, a need has arisen for a coating apparatus and a coating method capable of adding and / or improving insulating property to a fastening object.
Further, in order to add insulation to the object to be fastened by using the coating method using the deposition phenomenon of the powdery coating material, the head and the entire body of the fastening object should be heated. However, in general, since the thickness of the head portion is relatively smaller than the diameter (or thickness) of the body portion, when the object to be fastened is heated using the heating portion of the coating apparatus according to the prior art, the heating speed of the head portion and the heating There is a problem in that the final coating quality is not uniform due to a temperature gradient at the final heating temperature of the head and the final heating temperature of the body when heated for the same time due to the difference between the speeds.
In addition, according to the related art, when a coating material is coated on an object to be fastened, the coating material flows into a portion where coating is not required, thereby deteriorating the coating quality of the fastening object.
In addition, according to the prior art, when the powdery coating material such as nylon powder is stored at room temperature for a long time, the powdery coating material is exposed to moisture, and the coagulation of the coating material occurs. In order to prevent the coagulation phenomenon of the coating material due to the above-mentioned moisture when the powder coating material is stored for a long time, there is a problem that the coating material is kept at a temperature higher than room temperature Despite the need to store, the coating process according to the prior art does not have any configuration for keeping the coating material in a closed state above normal temperature.
The object of the present invention is to solve the conventional problems as described above, and it is an object of the present invention to provide an apparatus for fastening a fastening object having a head part and a body part to two parts of a head part and a body part, And to provide a coating apparatus capable of improving the coating quality by allowing the coating material to be stably coated on the substrate.
It is another object of the present invention to provide a coating apparatus capable of improving the coating quality of a fastening object by preventing a coating material from flowing into a portion where coating is not required when the fastening object is coated with the coating material.
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According to an aspect of the present invention, there is provided an information processing apparatus comprising: a rotary table rotatably provided on a support frame; A grasping unit for grasping an object to be fastened, the grasping object having a body and a head provided at one end of the body, the grasping unit comprising: a plurality of grasping units rotatable about an outer circumferential surface of the rotary table; A supply unit provided adjacent to the outside of the rotary table, for supplying the fastening object to the gripping unit; A first coating unit provided at one side of the supply unit along the rotation direction of the rotary table, for heating the head part of the fastening object to a predetermined first temperature and coating the head part with a coating material; A second coating unit provided at a predetermined distance from the first coating unit along the rotation direction of the rotary table, for heating the body of the object to be fastened to a predetermined second temperature and coating the body with a coating material; And a coating layer formed on the substrate.
The first coating unit includes a first heating unit disposed at one side of the supply unit along the rotation direction of the rotary table and heating the head of the fastening object; A first ejection unit disposed on one side of the first heating unit along the rotation direction of the rotary table and configured to eject coating material on at least a part and a lower surface of a head part of the fastening object heated by the first heating unit ; .
Wherein the first heating unit includes a pair of heating units that are provided parallel to each other at regular intervals in a position corresponding to a head portion of the object to be fastened held by the holding unit, 1 heating member.
Wherein the first jetting unit includes a first jetting nozzle provided so as to jet a coating material toward a part and a bottom surface of a head part of the fastening object passing through the first jetting part, And a first supply unit for supplying the coating material to the first injection nozzle when passing through a lower portion of the first injection nozzle.
And a first air jetting unit configured to form an air curtain on a side surface of the head that passes through the first jetting unit.
Wherein the first injection portion is disposed at a lower portion of the fastening object that passes through the first injection nozzle and the first injection nozzle and is not welded to the head portion of the fastening object after being ejected from the first injection nozzle And a first recovery unit for recovering the remaining coating material.
It is preferable that the first supply unit has a heat transfer surface for removing moisture of the coating material stored in the first supply unit.
The second coating unit includes a second heating unit disposed at one side of the first coating unit along the rotation direction of the rotary table and heating the body of the object to be fastened; A second ejection unit disposed at one side of the second heating unit along the rotation direction of the rotary table and for ejecting a coating material to the body part heated by the second heating unit; .
Wherein the second heating portion is provided parallel to the body portion of the clamping object gripped by the gripping unit at a predetermined interval in the vertical direction, 2 heating member.
Wherein the second ejection portion includes a second ejection nozzle provided to be capable of ejecting a coating material toward the side of the body portion of the fastening object passing through the second ejection portion, And a second supply unit for supplying the coating material to the second injection nozzle when the coating material passes through the first spray nozzle.
And a second air jetting unit configured to form an air curtain on one side of the one end of the body passing through the second jetting unit.
Wherein the second jetting portion is disposed below the object to be fastened which passes through the second jetting nozzle and the second jetting nozzle and is not welded to the body portion of the fastening object after being jetted from the second jetting nozzle And a second recovery unit for recovering the remaining coating material.
Preferably, the second supply unit has a heat transfer surface for removing moisture of the coating material stored in the second supply unit.
It is preferable that the predetermined first temperature is higher than the predetermined second temperature.
And an aligning unit provided between the supply unit and the first coating unit and aligning the fastening object so that the center of the head of the fastening object is located at the center of the gripping surface of the gripping unit Do.
And a detaching unit provided at one side of the second coating unit along the rotation direction of the rotary table, for detaching the fastening object from the gripping unit.
Wherein the detaching unit includes a detaching member for contacting the fastening object so that the fastening object does not move along the rotating direction of the rotary table, and a detaching member provided at a lower portion of the detaching member, And a storage unit for storing the object to be fastened which is detached and dropped.
And a cleaning unit provided at one side of the detaching unit along the rotation direction of the rotary table, for cleaning the gripping surface of the gripping unit.
Preferably, the cleaning unit includes a cleaning member having a rotating brush, and the cleaning member is disposed so that the brush contacts the holding surface.
According to another aspect of the present invention, there is provided a coating material comprising a receiving space for receiving a coating material therein, a coating material moving path through which the coating material moves within the receiving space, a coating material moving path along the coating material moving path, A case including a discharge port provided to be discharged to the outside; And a coating material dispersing unit disposed on at least one of the discharge port and the coating material moving path and dispersing (dispersing) the coagulated coating material moving along the coating material moving path into fine particles Thereby providing a coating material supply device.
The case is formed in a hemispherical shape or a circular truncated cone shape and has an inner surface as a heat transfer surface to remove moisture of the coating material accommodated in the accommodating space .
Preferably, the passage for the coating material has a constant width and is spirally arranged from the bottom to the top along the inner edge of the case.
The coating material dispersing unit may include a first dispersing unit disposed on the coating material moving path and forming a slit through which only a coating material having a predetermined height passes.
It is preferable that the first dispersion unit includes a height adjusting unit for adjusting the thickness of the slit.
Wherein the coating material dispersing unit includes a second dispersing unit and the second dispersing unit includes a main body portion positioned at a predetermined height from an upper surface of the ejection port and the coating material moving path, The coating material moving path being spaced apart from the upper surface of the discharge port and the upper surface of the coating material moving path by a predetermined distance so as to cross the discharge port and the coating material moving path in a lateral direction, It is preferable to include a pivotal portion which vibrates together.
It is preferable that the second dispersion unit further includes a vibration generating unit applying horizontal high-frequency vibration to the main body.
The pivotal portion includes a plurality of pins spaced apart from each other by a predetermined distance on a lower surface of the main body portion so as to cross the discharge port and the coating material moving path in a lateral direction; And a mesh network disposed at a predetermined distance from the lower surface of the main body portion so as to cross the discharge port and the coating material moving path in a lateral direction; At least one of them.
According to the means for solving the above-mentioned problems, the present invention has the following effects.
First, the fastening object according to the present invention includes a first coating portion and a second coating portion, so that when the fastening object is fastened to couple two or more parts, an object to be fastened and the two or more parts are electrically It is possible to prevent the contact, so that it is possible to improve the stability for the worker performing the work on the object to be fastened.
In general, when the thickness of the head part and the thickness of the body part (that is, the diameter of the body part) are different from each other in the fastening object having the head part and the body part, A temperature gradient is generated between the final temperature of the body and the final temperature of the head due to the difference in the heat capacity between the body portions and there is a problem that the coating material can not be coated with uniform quality on the head and the body due to the temperature gradient The object to be fastened is divided into two parts, that is, a head part and a body part, having different thicknesses, and sequentially heated to cover the coating material so that the coating material is coated on the object to be fastened with a stable and uniform thickness So that the overall coating quality of the fastening object can be remarkably improved.
Further, the present invention provides the air injection means at a position adjacent to the jetting portion, so that when a coating material is coated on the object to be fastened, a coating material (for example, a driver groove or the like in the case of a screw) It is possible to significantly reduce the defective rate of the object to be fastened and to improve the coating quality of the fastening object.
In addition, the present invention provides a recovery unit at the lower part of the ejection unit to recover the remaining coating material that has not been coated on the surface of the fastening object after being ejected from the ejection unit, thereby recycling the remaining coating material to the subsequent coating process It is possible to save the manufacturing cost by reducing the amount of coating material used.
In this case, according to the present invention, since the vacuum suction unit is additionally provided in the recovery unit, the coating material falling down to the recovery unit can be reliably recovered, and a certain portion or all of the remaining coating materials falling outside the range of the recovery unit can be sucked The efficiency of recycling of the remaining coating material can be improved and the amount of the remaining coating material falling on the bottom of the installation space in which the coating apparatus according to the present invention is installed can be minimized, Can be provided.
In addition, since the present invention has a heat transfer surface inside a supply part containing a coating material, when the coating material is stored or used at room temperature, it is possible to prevent the coagulation phenomenon of powdery coating material from occurring even when exposed to moisture, The powder coating materials can be stored in an optimal state to improve the shelf life of the coating material, and furthermore, it is possible to perform a smooth operation when the coating process is executed.
Further, according to the present invention, since the aligning unit is provided, the coating process for the fastening object can be performed while the fastening object is always aligned with the center of the gripping surface of the gripping unit, Since the coating material is coated while being rotated concentrically with the rotation axis of the holding unit, the coating quality of the fastening object can be improved or uniformed over the entire surface.
Further, according to the present invention, the object to be fastened can be easily detached and stored in the holding unit by using a simple structure by including the detaching unit.
In addition, the present invention, by including the cleaning unit, can keep the gripping surface of the gripping unit continuously used in the subsequent coating process in a clean state, so that the remaining coating material in the previous coating process So that it is possible to remarkably reduce the defective rate of the object to be fastened.
In addition, the present invention can provide a coating material in a fine particle state to be finely dispersed (dispersed) in a coagulated coating material continuously exposed to external moisture by being provided with a dispersion unit, Since the air and the coating material are uniformly mixed in the mixing part and then the coating material in a fine particle state is injected toward the object to be fastened, the coating quality of the fastening object can be remarkably improved.
In this case, the present invention can remarkably improve the dispersing effect of the coagulated coating material by adding the vibration generating portion to the second dispersing unit.
1 is a plan view showing a preferred embodiment of a coating apparatus according to a first aspect of the present invention.
2 is an enlarged plan view of a portion indicated by an arrow A in Fig.
Fig. 3 is a view along the line BB in Fig.
FIG. 4 is a plan view showing a part of the rotary table cut out to show a state in which the rotating guide unit and the roller of the holding unit are in contact with each other in FIG. 2, wherein the rotating guide unit and the roller of the holding unit according to the first embodiment are in contact with each other Fig.
Fig. 5 is a view from the direction of arrow E in Fig. 4, showing the rotating guide unit according to the first embodiment.
Fig. 6 is a plan view showing a modified embodiment of Fig. 4, in which the rotating guide unit according to the second embodiment is in contact with the rollers of the gripping unit. Fig.
Fig. 7 is a view from the direction of arrow F in Fig. 6, showing the rotating guide unit according to the second embodiment.
8 is a view along the line CC in Fig.
9A is a view showing a state in which the head of the fastening object is heated by the first heating member and FIG. 9B is a view showing a state in which the body of the fastening object is being heated by the second heating member .
FIG. 10 is a view along the DD line of FIG. 2. FIG.
11 is a view showing a state in which the first injection portion operates on the head portion of the fastening object.
12 is a view showing a state in which the second injection portion operates on the trunk portion of the object to be fastened.
FIG. 13A is a view showing a state before a coating material is coated on a fastening object, FIG. 13B is a view showing a state where a coating material is coated on a head of a fastening object, and FIG. Fig. 5 is a view showing a state in which a coating material is coated on the head and the body of the object.
14 is a view showing an operating state of the detaching unit in the coating apparatus according to the first aspect of the present invention.
15 is a view showing an operating state of the cleaning unit in the coating apparatus according to the first aspect of the present invention.
16 is a view schematically showing a coating material spraying apparatus according to a second aspect of the present invention.
FIG. 17 (a) is a graph showing a change in surface temperature of an object to be fastened when a coating material is sprayed without mounting an air heating part in the coating material spraying apparatus according to the second aspect of the present invention, and FIG. 17 FIG. 3 is a graph showing changes in surface temperature of an object to be fastened when an air heating unit is mounted and a coating material is sprayed in a coating material injecting apparatus according to a second aspect of the present invention.
18 is a view showing a coating material supply apparatus according to a third aspect of the present invention.
19 is a view showing the use state of the coating material dispersing unit in the coating material supplying apparatus according to the third aspect of the present invention.
Hereinafter, preferred embodiments of the coating apparatus according to the first aspect of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and that the inventor should properly interpret the concepts of the terms to best describe their invention It should be construed as meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. In addition, since the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention, It is to be understood that equivalents and modifications are possible.
1 is a plan view showing a preferred embodiment of a coating apparatus according to a first aspect of the present invention.
A coating apparatus according to a preferred embodiment of the present invention includes a rotary table 10 rotatably provided on a support frame 5 as shown in FIG. 1; A gripping unit (1) for gripping a fastening object (1) having a body part and a head part provided at one end of the body part, the gripping part being provided at a plurality of positions which are capable of rotating at regular intervals along the outer peripheral surface of the rotary table (20); A supply unit (50) provided adjacent to the outside of the rotary table (10) for supplying the fastening object (1) to the gripping unit (20); A first coating unit which is provided on one side of the supply unit 50 along the rotating direction of the rotary table 10 and which heats the head part of the object 1 to be fastened to a predetermined first temperature, (70); Is provided at a predetermined distance from the first coating unit (70) along the rotation direction of the rotary table (10), and is configured to heat the body of the fastening object (1) to a predetermined second temperature, A second coating unit (80); And a control unit (not shown) for controlling units and devices included in the coating apparatus such as the rotating table, the gripping unit, the supplying unit, the first coating unit, and the second coating unit.
Here, the coating material is in the form of a powder and is made of an insulating material (e.g., nylon, etc.). Also, preferably, the coating material may include microcapsules containing an adhesive material in addition to the insulating material.
1, the rotary table 10 is formed in a disc shape and is rotatably installed on the upper portion of the
2 is an enlarged plan view of a portion indicated by an arrow A in Fig.
The gripping
3 is a view along the line B-B in Fig.
As shown in FIG. 3, each of the holding
The
The
The
The
FIG. 4 is a plan view showing a part of the rotary table cut out to show a state in which the belt-type rotating guide unit and the roller of the gripping unit are in contact with each other in FIG. 2, in which the rotating guide unit and the roller of the gripping unit according to the first embodiment FIG. 5 is a view showing the rotating guide unit according to the first embodiment as viewed in the direction of arrow E in FIG. 4. FIG.
The belt-shaped
A plurality of such belt-type rotating
Preferably, the belt-shaped
More specifically, as shown in Fig. 4, a belt-shaped
Fig. 6 is a plan view showing a modified embodiment of Fig. 4, in which the rotating guide unit according to the second embodiment is in contact with the rollers of the gripping unit, Fig. 7 is a view The rotation guide unit according to the second embodiment.
6 and 7, the rotating guide unit according to another embodiment includes a stationary rotating guide unit (not shown) having a
Since the fixed type rotating
The fixed type rotating
Preferably, the stationary
6, a fixed type rotating
According to an alternative embodiment, the belt-type rotating
1, a
The
2 and 3, the aligning
The aligning
1 and 2, the
Fig. 8 is a view along the line C-C in Fig. 2, and Fig. 9 (a) is a view showing a state in which the head of the fastening object is heated by the first heating member.
The
Preferably, the
Fig. 10 is a view along the line D-D in Fig. 11 is a view showing a state in which the first injection portion operates on the head portion of the fastening object.
The
Preferably, the air blowing device further includes first air blowing means provided to form an air curtain on the side of the
11, the
The
11, when the coating material is sprayed onto the
The
Preferably, the first collecting part may include a vacuum suction part (not shown), whereby the first collecting part can more reliably recover the remaining coating material.
1, the
The second coating unit includes a
Fig. 9 (b) is a view showing a state in which the body of the fastening object is heated by the second heating member. Fig.
The
Preferably, the
When the
On the other hand, the heating temperature of the
12 is a view showing a state in which the second injection portion operates on the trunk portion of the object to be fastened.
The
12, the
The second supply unit (not shown) is provided on the heat transfer surface on the inner surface in the same manner as the first supply unit shown in FIG. 10, and is formed to be capable of accommodating the coating material therein. When electricity flows to the inner surface of the second supply unit (not shown), heat is generated on the inner surface and moisture of the coating material contained in the second supply unit (not shown) can be removed.
12, when the coating material is sprayed onto the
FIG. 13A is a view showing a state before a coating material is coated on a fastening object, FIG. 13B is a view showing a state where a coating material is coated on a head of a fastening object, and FIG. Fig. 5 is a view showing a state in which a coating material is coated on the head and the body of the object.
The fastening object (1) comprises a trunk part (1b); A
The first coating portion and the second coating portion are sequentially coated with the second coating portion after the first coating portion is coated first, as described above.
In this manner, the
14 is a view showing an operating state of the detaching unit in the coating apparatus according to the first aspect of the present invention.
The detaching
As shown in Figs. 1 and 14, the coating material is coated on the
15 is a view showing an operating state of the cleaning unit in the coating apparatus according to the first aspect of the present invention.
The
Hereinafter, the operation of the coating apparatus according to the preferred embodiment of the present invention will be described.
When the
Thereafter the
Subsequently, the
A preferred embodiment of a coating material spraying apparatus according to a second aspect of the present invention will now be described in detail with reference to the accompanying drawings.
16 is a view schematically showing a coating material spraying apparatus according to a second aspect of the present invention.
16, the coating material spraying apparatus according to the second aspect of the present invention receives coating material from the coating
The coating
The
The
Preferably, the
Further, as a further embodiment, preferably, the
The predetermined preheating temperature of the
The
The
17 (a) is a graph showing a change in surface temperature of an object to be fastened when a coating material is sprayed without mounting an air heating part in a coating material spraying apparatus according to the second aspect of the present invention, and FIG. 17 (b) 2 is a graph showing changes in surface temperature of an object to be fastened when an air heating unit is mounted and a coating material is sprayed in a coating material spraying apparatus according to a second aspect of the present invention.
Generally, in a coating apparatus for coating a coating material on a fastening object such as a screw, the coating material is first heated to a temperature suitable for welding the coating material to the fastening object, such as about 170 ° C to 180 ° C (C section in (b)), the coating material is coated. At the time of spraying the coating material on the object to be fastened, the air is simultaneously sprayed so that the coating material does not flow into a portion where coating is not required. Accordingly, the coating material and the air at room temperature are simultaneously sprayed on the object to be fastened heated by the heating unit, so that the temperature of the object to be fastened is rapidly lowered (section B in FIG. 17A) The coating material is not uniformly coated on the object to be fastened because it contains moisture because the coating material is continuously exposed to moisture.
However, when the
A preferred embodiment of the coating material supply apparatus according to the third aspect of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 18 is a view showing a coating material supply apparatus according to a third aspect of the present invention, and FIG. 19 is a view showing a use state of the coating material dispersion unit in the coating material supply apparatus according to the third aspect of the present invention.
The coating material supplying apparatus according to the third aspect of the present invention includes a receiving
The
The coating
The coating
The pivotal portion includes a plurality of
The plurality of
Further, as a further embodiment, preferably, the
When coating the finely dispersed coating material on the coating-fastening object using the coating material spraying apparatus, a uniform coating quality can be expected.
As a further embodiment of the pivoted portion, a fine mesh may be provided in front of the discharge port instead of the plurality of pins, or other dispersion means may be employed.
While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Will be apparent to those of ordinary skill in the art.
1: object to be fastened 10: rotary table
20: gripping unit 30: belt-shaped rotating guide unit
40: fixed type rotating guide unit 50: supply unit
60: alignment unit 70: first coating unit
80: second coating unit 90: detaching unit
100: cleaning unit
Claims (27)
A grasping unit for grasping an object to be fastened, the grasping object having a body and a head provided at one end of the body, the grasping unit comprising: a plurality of grasping units rotatable about an outer circumferential surface of the rotary table;
A supply unit provided adjacent to the outside of the rotary table, for supplying the fastening object to the gripping unit;
A first coating unit provided at one side of the supply unit along the rotation direction of the rotary table, for heating the head part of the fastening object to a predetermined first temperature and coating the head part with a coating material;
A second coating unit provided at a predetermined distance from the first coating unit along the rotation direction of the rotary table, for heating the body of the object to be fastened to a predetermined second temperature and coating the body with a coating material; And a coating layer formed on the coating layer.
Wherein the first coating unit comprises:
A first heating unit disposed at one side of the feeding unit along the rotation direction of the rotary table and heating the head of the fastening object;
A first ejection unit disposed on one side of the first heating unit along the rotation direction of the rotary table and configured to eject coating material on at least a part and a lower surface of a head part of the fastening object heated by the first heating unit ; Wherein the coating layer comprises a coating material.
Wherein the first heating unit comprises:
And a pair of first heating members provided parallel to each other at a predetermined interval in the vertical direction at a position corresponding to the head of the fastening object gripped by the gripping unit and heating the head portion passing between the predetermined intervals ≪ / RTI >
The first injector
A first spray nozzle arranged to spray a coating material toward a part of a side surface and a lower surface of a head part of the fastening object passing through the first spray part,
And a first supply unit for supplying a coating material to the first injection nozzle when the object to be fastened passes under the first injection nozzle.
Further comprising: a first air jetting unit provided to form an air curtain on a side surface of the head portion passing through the first jetting unit.
The first injector
A first spray nozzle for spraying the coating material on the head part of the fastening object, and a second spray nozzle for spraying the remaining coating material on the head part of the fastening object after being sprayed from the first spray nozzle and disposed below the fastening object passing through the first spray nozzle and the first spray nozzle And a first recovering part for recovering the coating solution.
Wherein the first supply unit includes:
And a heat transfer surface for internally removing moisture of the coating material contained in the first supply portion.
Wherein the second coating unit comprises:
A second heating unit disposed on one side of the first coating unit along the rotation direction of the rotary table and heating the body of the fastening object;
And a second ejecting part disposed at one side of the second heating part along the rotation direction of the rotary table and for ejecting a coating material to the body part heated by the second heating part.
The second heating unit
And a pair of second heating members provided parallel to each other at regular intervals in the vertical direction at positions corresponding to the body portions of the object to be fastened held by the gripping units and heating the body portions passing through the predetermined intervals ≪ / RTI >
Wherein the second jetting portion includes:
A second injection nozzle provided to spray the coating material toward the side of the body portion of the fastening object passing through the second jetting portion,
And a second supply part for supplying a coating material to the second injection nozzle when the object for fastening passes under the second injection nozzle.
Further comprising: a second air jetting unit configured to form an air curtain at a side of one end of the body passing through the second jetting unit.
Wherein the second jetting portion includes:
A second spray nozzle for spraying the coating material on the body of the fastening object, a second coating material sprayed from the second spray nozzle, And a second recovering part for recovering the coating solution.
Wherein the second supply unit
And a heat transfer surface for internally removing moisture of the coating material contained in the second supply portion.
Wherein the predetermined first temperature is higher than the predetermined second temperature.
And an alignment unit which is provided between the supply unit and the first coating unit and aligns the fastening object so that the center of the head of the fastening object is located at the center of the gripping surface of the gripping unit .
Further comprising: a detaching unit provided at one side of the second coating unit along the rotation direction of the rotary table, wherein the detaching unit removes the object to be fastened from the gripping unit.
The detaching unit includes:
A detaching member that contacts the fastening object to prevent the fastening object from moving along the rotation direction of the rotary table;
And a storage unit provided at a lower portion of the removal member and storing the object to be fastened which has been removed from the gripping unit by the removal member and dropped.
Further comprising: a cleaning unit provided at one side of the detaching unit along the rotating direction of the rotary table, for cleaning the holding surface of the holding unit.
Wherein the cleaning unit comprises a cleaning member having a rotating brush,
Wherein the cleaning member is disposed so that the brush contacts the holding surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150071595A KR101562638B1 (en) | 2015-05-22 | 2015-05-22 | Coating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150071595A KR101562638B1 (en) | 2015-05-22 | 2015-05-22 | Coating apparatus |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020150120899A Division KR101603735B1 (en) | 2015-08-27 | 2015-08-27 | Device for supplying coating material |
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KR101562638B1 true KR101562638B1 (en) | 2015-10-23 |
Family
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KR1020150071595A KR101562638B1 (en) | 2015-05-22 | 2015-05-22 | Coating apparatus |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101860754B1 (en) | 2017-09-29 | 2018-05-24 | 장만순 | Coating method of cosmetic case with brush |
KR20210147304A (en) * | 2020-05-28 | 2021-12-07 | (주)거상 | Coating device for electronic device case |
KR102426776B1 (en) * | 2021-08-02 | 2022-07-29 | (주)대한스프레이시스템 | Automotive hub bearing manufacturing apparatus and hub bearing manufactured thereby |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001508356A (en) | 1997-01-07 | 2001-06-26 | ナイロック・ファスナー・コーポレーション | Method and apparatus for applying a coating at the intersection of the head and shaft of an externally threaded product |
KR100780297B1 (en) | 2001-06-14 | 2007-11-28 | 나일록 코포레이션 | An apparatus to monitor and control the process of applying at least one coating material onto the threads of a fastener |
KR101415075B1 (en) | 2013-10-07 | 2014-07-07 | 나윤환 | Coating apparatus |
-
2015
- 2015-05-22 KR KR1020150071595A patent/KR101562638B1/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001508356A (en) | 1997-01-07 | 2001-06-26 | ナイロック・ファスナー・コーポレーション | Method and apparatus for applying a coating at the intersection of the head and shaft of an externally threaded product |
KR100780297B1 (en) | 2001-06-14 | 2007-11-28 | 나일록 코포레이션 | An apparatus to monitor and control the process of applying at least one coating material onto the threads of a fastener |
KR101415075B1 (en) | 2013-10-07 | 2014-07-07 | 나윤환 | Coating apparatus |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101860754B1 (en) | 2017-09-29 | 2018-05-24 | 장만순 | Coating method of cosmetic case with brush |
KR20210147304A (en) * | 2020-05-28 | 2021-12-07 | (주)거상 | Coating device for electronic device case |
KR102400787B1 (en) * | 2020-05-28 | 2022-05-23 | (주)거상 | Coating device for electronic device case |
KR102426776B1 (en) * | 2021-08-02 | 2022-07-29 | (주)대한스프레이시스템 | Automotive hub bearing manufacturing apparatus and hub bearing manufactured thereby |
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