JPH0427566Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is a coating process that adds sealing and locking functions by applying a liquid such as a self-locking agent or sealing agent to the threaded part of a blind stopper, etc. The present invention relates to a liquid application device used for application.

[Prior art] Conventionally, when adding a sealing function or a locking function to the threaded part of a blind stopper, etc., the threaded part of the blind stopper was wrapped with nylon tape, etc., a fixing agent liquid was applied with a brush, or , as shown in FIG.
As shown in FIG.
The coating is applied by dipping the threaded portion of the blind stopper 101 on No. 3 to a predetermined depth.

[Problems that the invention aims to solve] However, when wrapping nylon tape around the threaded part of a blank stopper or applying adhesive liquid with a brush, it is necessary to rely on manual labor, making it extremely difficult to be productive. was low. On the other hand, if the threaded part of the blind stopper 101 is immersed in the dip tank 107 for coating, productivity can be improved, but on the other hand, the fixing agent solution may be applied to areas that do not require coating. Therefore, there was a problem in that it was necessary to wipe it off in order to remove it, which required extra work.

This idea was devised in view of the above problems, and is a liquid coating device that can effectively apply liquid only to the desired areas and improve productivity. For the purpose of providing.

[Means for Solving the Problems] In order to achieve the above-mentioned object, this invention provides a supply device for lining up and intermittently supplying the members to be coated one by one for applying a liquid, and a supply device for intermittently supplying the members to be coated one by one. A liquid coating device comprising: a coating device for applying a liquid to a portion of a member to be coated, and a drying device for receiving the material to be coated and drying the liquid after receiving the coating material applied with the liquid by the coating device; The coating device includes a liquid storage tank that stores a liquid, a coating roller that is partially immersed in the liquid storage tank and rotates with the liquid attached, and a part of the member to be coated that is brought into contact with the outer periphery of the coating roller. and a transfer guide mechanism that transfers and guides the member to be coated diagonally downward at an appropriate angle with respect to the axis of the coating roller.

[Operation] According to the above configuration, the members to be coated are intermittently supplied one by one to the coating device by the supply device.
The member to be coated supplied to the coating device is guided by a transfer guide mechanism, draws liquid from the storage tank, adheres to the outer peripheral surface, and is transferred while rotating the part to be coated in contact with the rotating coating roller. A liquid is applied during the process. The member to be coated, the part to be coated with the liquid applied thereto, is transferred to a drying device, dried naturally, and then stored in a storage box or the like.

Therefore, it is possible to effectively apply the liquid only to the desired area, and furthermore, the supply of the member to be coated, the application and drying operations can be performed in an integrated operation, so that productivity can be improved. I can do it.

[Example] Hereinafter, an example of this invention will be described based on the drawings.

FIG. 1 is an overall side view of the liquid application device, FIG. 2 is a plan view thereof, and FIG. 3 is a cross-sectional view taken in the direction of the - arrow in FIG. 1.

In the figure, a liquid coating device 1 is composed of a supply device 5 and a coating device 7 disposed on a base 3, and a drying device 11 disposed on another base 9.

The supply device 5 is for intermittently supplying blind plugs 13, which serve as members to be coated, one by one to the coating device 7 for applying a liquid such as a self-locking agent or a sealant. basket 17
It is composed of a parts feeder 19 on which are placed, and an intermittent feeding device 23 that intermittently feeds blind plugs 13 arranged on a transfer gutter 21 from the parts feeder 19 one by one. A large number of blank plugs 13 stored in the parts feeder 19 and the basket 17 are aligned in the same direction by the vibration of the vibrating device 15 so that the hexagonal wrench engagement holes of the blind plugs 13 are facing downward, and then the blank plugs 13 are placed in the transfer gutter. 21.

The intermittent feeding device 23 is provided at a connecting portion between the terminal end of the transfer gutter 21 and the starting end of the supply gutter 25 to the coating device 7, and feeds the blind plugs 13 on the transfer gutter 21 one by one. Hydraulic cylinder 27 for transferring onto the gutter 25 and blank plug 1 on the transfer gutter 21
a photoelectric switch 3 which detects 3 and gives an operation command signal to the hydraulic cylinder 27 via a control device 29;
It is composed of 1.

Further, in the middle of the transfer gutter 21, the transfer gutter 2
When a predetermined number of blind stoppers 13 are arranged on top of the
A photoelectric switch 33 is provided that detects this and sends a stop command signal to the parts feeder 19 via the control device 29.

The coating device 7 applies a liquid to the threaded portions of the blank plugs 13, which are intermittently supplied one by one from the supply device 5, and includes a storage tank 35 for storing the liquid, and this storage tank. A coating roller 37 rotates with a part of the solution attached to the interior of the coating roller 35, and while the threaded portion of the blind stopper 13 is brought into contact with the outer periphery of the coating roller 37, the coating roller 37 is rotated at an appropriate angle with respect to the axis of the coating roller 37. and a transfer guide mechanism 39 that transfers and guides the blind stopper 13 diagonally downward.

The storage tank 35 is mounted on a support 4 provided on the base 3.
It is placed on 1. Inside this liquid storage tank 35,
A stirring blade 43 is provided for stirring the liquid. The stirring blade 43 is fixed to a rotating shaft 47 of a stirring motor 45 attached to the lower surface of the support base 41, and is rotated by rotation of the stirring motor 45.

The application roller 37 is applied to both side walls 3 of the liquid storage tank 35.
5a via a support shaft 49 so as to be rotatable. A sprocket 51 is fixed to one end of the support shaft 49, and is interlocked and connected via a chain 53 to a sprocket 59 fixed to an output shaft 57 of a roller drive motor 55. The roller drive motor 55 is constituted by a variable rotation speed motor. Therefore, by changing the rotation speed of the roller drive motor 55, the rotation speed of the application roller 37 can be changed.

The transfer guide mechanism 39 includes a guide body 61 that receives the blank stopper 13 supplied from the supply gutter 25 and guides the threaded portion while bringing it into contact with the outer periphery of the application roller 37.
and a vibration device 63 that applies vibration to the guide body 61 and transfers the blind stopper 13 on the guide body 61, and is placed on the support body 41.

The guide body 61 is disposed diagonally downward at an appropriate angle with respect to the axis of the application roller 37 .

The drying device 11 receives the blind stopper 13 coated with the liquid by the coating device 7 and naturally dries the liquid. flange part 69
The rotary table 71 is attached to the rotary table 71. A through hole 67a is formed in the support member 67, and this through hole 67a communicates with an opening 71a formed in the center of the circular table 71. A sprocket 73 is fixed to the lower end of the support member 67, and a sprocket 73 is connected to the table drive motor 7 via a chain 75.
It is interlocked and connected to a sprocket 81 fixed to the output shaft 79 of No. 7.

A terminal end of a transfer gutter 83 connected to the guide body 61 of the coating device 7 extends above the outer peripheral edge of the circular table 71 .

The circular table 71 also includes a plurality of guide plates 85a, 85b for moving the blind stopper 13 transferred onto the table 71 in a spiral manner to the center.
85c, 85d, and 85e are provided. These guide plates 85a, 85b, 85c, 85d, 85
e is vertically installed on a guide plate support member 89 that is installed on a pair of pillars 87 erected on the base 9 .

A storage tube 93 is provided in the through hole 67a formed in the support member 67 of the rotary table 71, with one end extending into the opening 71a of the rotary table 71 and the other end looking into the storage box 91. There is. This storage tube 93 is attached to the base 9 via a support 95.

Next, the operation of the above embodiment will be described.

The blind stopper 13 housed in the basket 17 of the parts feeder 19 is sent onto the transfer gutter 21 by the vibration of the vibration generator 15. The blind plugs 13 arranged on the transfer gutter 21 are transferred to the intermittent feeding device 2.
When the photoelectric switch 31 of No. 3 detects the detection, an operation command signal is given to the hydraulic cylinder 27 via the control device 29 at predetermined time intervals. The hydraulic cylinder 27 is actuated by this operation command signal, and the transfer gutter 21
Then, one blind stopper 13 located on the terminal end is moved onto the supply gutter 25.

The blind plug 13 moved onto the supply gutter 25 is supplied to the guide body 61 of the transfer guide mechanism 39, and the application roller 3 rotates while pumping up the liquid to the liquid storage tank 35.
While the screw member is brought into contact with 7, it is transferred and guided by the vibration of the vibration generating device 63. At this time, the fixing agent liquid is applied to the threaded portion of the blind stopper 13 in a predetermined width. The blind stopper 13 coated with the liquid is transferred from the guide body 61 onto the transfer gutter 83, and is discharged from the terminal end onto the rotating rotary table 71. round table 71
The blind stopper 13 discharged upward is placed on the circular table 71 with its placement position regulated by the guide plate 85a.

The blind stopper 13 placed on the circular table 71 in this manner is guided by the guide plate 85b and moved toward the center of the circular table 71 when the circular table 71 rotates once. Then, each time the circular table 71 rotates once, the guide plates 85c and 85d sequentially move the circular table 71 toward the center, and finally the guide plate 85e moves the opening 71 toward the center of the circular table 71.
1a, fall through the opening 71a, and are stored in the storage box 91 via the storage tube 93.

The above operation is achieved by the intermittent delivery device 23 operating intermittently at predetermined time intervals, thereby supplying the blind stopper 13 to the applicator 7 at predetermined intervals to apply the fixing agent liquid to the threaded portion.

In addition, when the blind stopper 13 coated with the fixing agent liquid is placed on the circular table 17 for a predetermined period of time,
The adhesive liquid applied to the threaded portion is allowed to dry naturally.

The vibration generators 15 and 63 separately generate vibrations, and the members excited by these vibration generators are configured independently, so both vibrations are superimposed and one of them Or both vibrations are 1
It does not stop temporarily.

Therefore, the coating process of the blind stopper 13 can be performed in an integrated operation covering the supplying, coating, and drying steps.

Note that the amount of the fixing agent liquid to be applied can be adjusted by adjusting the rotational speed of the application roller 37.

Furthermore, when increasing or decreasing the application width of the adhesive liquid, this can be done by changing the mounting angle of the guide body 61 with respect to the axis of the application roller 37 and by changing the outer diameter of the application roller 37.

[Effects of the invention] As is clear from the above explanation, according to the structure of this invention, the fixing agent liquid can be applied only to the desired area, and the supplying, application and drying processes can be carried out in an integrated process. This makes it possible to improve productivity.

[Brief explanation of the drawing]

Fig. 1 is an overall side view of a liquid application device according to an embodiment of the invention, Fig. 2 is a plan view thereof, Fig. 3 is a cross-sectional view taken along the - line in Fig. 1, and Figs. 4 and 5. 1 is a diagram schematically showing a coating process according to a conventional example. Explanation of symbols representing main parts of the drawings, 5... Supply device, 7... Coating device, 11... Drying device, 13
... blind plug (coated member), 35 ... liquid storage tank,
37... Application roller, 39... Transfer guide mechanism.

Claims (1)

[Scope of utility model registration request] A supply device that arranges the members to be coated and intermittently supplies them one by one; a coating device that applies a liquid to the coated portion of the member to be coated that is supplied from the supply device; A liquid coating device comprising a drying device that receives a member to be coated and dries a fixing agent liquid. While bringing the to-be-coated part of the to-be-coated member into contact with the outer periphery of this applicator roller, the to-be-coated member is transferred and guided diagonally downward at an appropriate angle with respect to the axis of the applicator roller. 1. A liquid coating device comprising a transfer guide mechanism.