KR20040026510A - Mold release sprayer for mold manufacturing seat sponge of vehicle - Google Patents

Abstract

PURPOSE: A plurality of injection nozzles is controlled independently to inject release agent to a mold easily with a simple structure, thereby reducing manufacturing cost. CONSTITUTION: A main installation die(11) is mounted in a booth box. A piston cylinder(13) is installed in a cylinder installation die(12) on the main installation die. A nozzle installation die(14) is installed in a length direction of the piston cylinder. A plurality upper electronic nozzle(16) is installed in a first installation rod, and a plurality of lower electronic nozzle(18) is installed in a second installation rod. A mold detecting member is installed in the center of the main installation die.

Description

Release agent coating apparatus for manufacturing mold of vehicle seat sponge {MOLD RELEASE SPRAYER FOR MOLD MANUFACTURING SEAT SPONGE OF VEHICLE}

The present invention relates to a release agent applying apparatus for applying a release agent to a mold used when manufacturing a seat sponge of a vehicle, and more particularly, to easily spray-apply the release agent inside various molds continuously transferred to a plurality of nozzles. It relates to a mold release agent coating apparatus for manufacturing a mold of the seat sponge of the vehicle.

The release agent used in the mold for manufacturing the seat sponge disposed inside the vehicle seat and the seat back has properties such as not adversely affecting the surface of the mold, and is applied between the upper mold and the lower mold to be applied. Allows the foamed sheet sponge to be easily separated from the mold.

Thus, conventionally, it consists of connecting the high pressure release agent tank and the nozzle gun with a hose so as to spray the high pressure release agent, and the operator applies the release agent between the upper mold and the lower mold to be opened while continuously transporting the nozzle gun. Done.

The prior art as described above has a problem that adversely affect the safety and health of the worker.

Therefore, conventionally, the nozzle is installed at the top end of the robot by using the robot section 6 as another example. After setting an application path according to the upper mold and the lower mold, the lower part that is opened while continuously rotating the robot by operating the robot The release agent is applied between the mold and the upper mold.

However, since the conventional technology using the robot is designed in consideration of the reliability and durability of the industrial robot, the cost of the robot is greatly increased and the application trajectory is set according to the order of the circulating mold. If the application trajectory is not set correctly again, there is a disadvantage that a malfunction or a safety accident may occur.

In addition, since the robot operates only with a coating track set in the related art, it is possible to injure a worker who is close to the mold in some cases, and a safety accident such as a fire may occur due to the tip of the robot colliding with the mold closed at the beginning or the end of the work. There is this.

In addition, the middle plate is formed in the upper mold in the mold for manufacturing a sheet sponge having a space therein, and since the release agent cannot be applied to the rear surface of the middle plate by a robot, the rear surface of the middle plate is performed manually. There is discomfort.

The present invention has been made to solve the problems of the prior art as described above, the object of the present invention is to control a plurality of nozzles independently of the various molds that are continuously transported by spraying the corners of the mold release to the upper and lower molds. The present invention provides a mold release agent applying apparatus for manufacturing a mold for a seat sponge of a vehicle which can easily spray-could apply a mold release agent therein.

In order to realize this, in the present invention, a plurality of molds are respectively disposed on a plurality of trucks installed on a conveyor continuously circulating through the booth box, and a release agent is formed on the plurality of upper molds and the lower molds that are opened while penetrating the booth box. In the mold release agent coating apparatus for manufacturing a mold of the seat sponge of the vehicle, which is sprayed, the main mounting stand is installed inside the booth box, and a piston cylinder operated by pneumatic pressure is installed on the cylinder mounting stand installed on the main mounting stand. A nozzle mount that is variable in the longitudinal direction of the piston cylinder is installed at the rod end of the piston cylinder, and a plurality of upper electromagnetic nozzles for injecting a high-pressure release agent are spaced vertically on the first mounting rod vertically installed on the nozzle mount. Multiple lower electronic nozzles installed and spraying high pressure release agents The middle plate upper electromagnetic nozzle is installed on the second mounting rod spaced forward and backward on the second mounting rod installed on the nozzle mounting stand, and sprays the release agent from the upper side to the rear surface of the middle plate formed on the upper mold on the third mounting rod installed at the upper end of the nozzle mounting stand. A middle plate lower electronic nozzle is installed on the rear surface of the middle plate formed in the upper mold and connected to a bellows hose installed on the nozzle mount, and a mold detecting means for detecting the presence of a mold is installed at the center of the main mount. And a tag recording the type of the mold fixed to the trolley is installed at one end of the trolley, and a reader for recognizing the type of the mold recorded on the tag is provided on the main mounting table so as to be close to the tag. A mold opening and closing sensor for detecting a state in which the upper mold and the lower mold are closed is provided at the entrance side of the booth box. And a controller for intermittently controlling the upper electron nozzle, the lower electron nozzle, the middle plate upper electron nozzle, and the middle plate lower electron nozzle, respectively, by receiving the signal from the reader and recognizing the type of mold installed in the trolley. By controlling the electronic nozzles independently according to the mold, and receiving the signal of the mold opening and closing detection sensor to operate the direction control valve installed between the piston cylinder and the compressor to separate the electronic nozzles from the mold Provided is a release agent applying apparatus for manufacturing a sheet sponge.

BRIEF DESCRIPTION OF THE DRAWINGS The block diagram which shows the mold release agent coating apparatus for manufacturing metal mold | die of the seat sponge of the vehicle by this invention,

2 is a side cross-sectional view of a release agent applying apparatus for manufacturing a mold of a seat sponge of a vehicle according to the present invention;

3 is a cross-sectional view of a release agent applying apparatus for manufacturing a mold of a seat sponge of a vehicle according to the present invention;

Figure 4 is a state of use of the release agent coating device for a mold for producing a seat sponge of a vehicle according to the present invention.

<Explanation of symbols for the main parts of the drawings>

1: booth box 4: mold

11: main mount 12: cylinder mount

13: piston cylinder 14: nozzle mounting table

15, 17, 19: 1st, 2nd, 3rd installation rod 16: Upper electronic nozzle

18: lower electron nozzle 20: middle upper electron nozzle

22: middle lower electronic nozzle 23: tag

24: Reader 25: mold opening and closing sensor

26: controller 29, 30: first, second sensor

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

1 to 4 are views showing a release agent applying apparatus for manufacturing a mold of a seat sponge of a vehicle according to the present invention, wherein the release agent applying apparatus of the present invention is installed on a conveyor 2 that continuously circulates through a booth box 1. A plurality of molds 4 are disposed on the plurality of trolleys 3, and the release agent is sprayed onto the plurality of upper molds 4a and the lower molds 4b which are opened while penetrating the booth box 1.

Here, the seat cushion for a vehicle refers to both a seat cushion or a seat cushion or a seat cushion embedded in a seat back.

Anyway, the release agent applying apparatus according to the present invention, the piston cylinder 13, the piston is installed on the main mounting table 11, the cylinder mounting table 12 installed on the main mounting table 11 installed in the booth box (1). A plurality of upper electron nozzles 16 are vertically spaced apart on the nozzle mounting stand 14 provided at the tip of the rod 13a of the cylinder 13 and on the first mounting rod 15 installed up and down on the nozzle mounting stand 14. ), A plurality of lower electron nozzles 18 spaced apart from the front and rear on the second mounting rod 17 installed back and forth on the nozzle mounting stand 14, and a third mounting rod 19 installed at an upper end of the nozzle mounting stand 14. The middle plate upper electron nozzle 20 is installed on the), the middle plate lower electron nozzle 22 is connected to the bellows hose 21 installed on the nozzle mounting unit (14).

And the present invention is the mold detecting means is installed in the central portion of the main mounting base 11, the tag 23 is installed on one end of the trolley (3), the main mounting stand 11 in close proximity to the tag 23 The signal of the reader 24 installed in the mold, the mold opening and closing detection sensor 25, the reader 24, the mold detecting means and the mold opening and closing detection sensor 25 are installed at the inlet 1a of the booth box 1. And a controller 26 for outputting a command current and intermittently controlling the upper electron nozzle 16, the lower electron nozzle 18, the middle plate upper electron nozzle 20, and the middle plate lower electron nozzle 22, respectively. It includes.

Of course, in the present invention, the controller 26 recognizes the type of the mold 4 installed in the trolley 3 by receiving the signal from the reader 24 and the electronic nozzles 16, 18, by the signal of the mold sensing means. 20 and 22 are independently controlled according to the mold 4, and the direction control valve 28 provided between the piston cylinder 13 and the compressor 27 is received by the signal of the mold opening and closing detection sensor 25. In operation to space the electron nozzles 16, 18, 20, 22 away from the mold 4.

The mold detecting means is composed of a first sensor 29 and a second sensor 30 spaced apart in parallel to the longitudinal direction of the mold (4), between the first sensor 29 and the second sensor (30) The electronic nozzles 16, 18, 20, and 22 are positioned on the upper side, and the controller 26 controls the electronic nozzles 16, 18, 20, and 22 by a signal of the first sensor 29. In operation, the controller 26 stops operating the electronic nozzles 16, 18, 20, and 22 by the signal of the second sensor 30.

That is, the distance between the first sensor 29 and the second sensor 30 is determined according to the shape molded in the mold 4.

Here, the booth box 1 forms a predetermined space for spraying and applying a releasing agent to the mold 4 repeatedly circulating, and the mounting table 11 of the present embodiment is located at one side of the mold 4 spaced apart from each other. Although installed inside the booth box 1, it is apparent that the mold 4 may be installed at any position that does not interfere with the movement of the mold 4.

The cylinder mount 12 is bent in a state in which it is installed on the main mount 11 to fix the piston cylinder 13 in an inclined position.

The piston cylinder 13 is actuated by pneumatic pressure to change the position of the nozzle mount 14 in the longitudinal direction of the piston cylinder 13 as it is, the piston cylinder in order to easily change the nozzle mount 14 in the longitudinal direction The guide bars 13b are disposed on both sides of the 13, respectively, and the guide bars 13b are respectively penetrated through the cylinder mount 12 to be installed on the nozzle mount 14, thereby providing the guide bars. 13b is smoothly moved in the longitudinal direction with the support of the cylinder mount 12.

The electron nozzles 16, 18, 20, and 22 are operated according to the electricity output from the controller 26 to spray-apply the liquid release agent to the mold 4, and close when the electricity is not applied. And, it is provided with a solenoid valve therein, and is connected to the high-pressure release agent generator 31 for generating a high-pressure release agent as in the prior art.

Of course, the upper electronic nozzle 16 sprays a high pressure release agent to apply the inside of the upper mold 4a, and the lower electronic nozzle 18 sprays a high pressure release agent to apply the inside of the lower mold 4a. The middle plate upper electron nozzle 20 and the middle plate lower electron nozzle 22 are spray-coated to a rear surface of the middle plate 4c provided according to the type of sheet sponge with a release agent from above and below.

In addition, the plurality of upper electronic nozzles 16 are spaced apart from each other on the first mounting rod 15 to inject a release agent to the front of the upper mold (4a), the plurality of lower electronic nozzles 18 is the second mounting rod ( 17) spaced apart from each other on the lower mold (4a) to eject the release agent, the middle plate upper electromagnetic nozzle 20 is installed on the third mounting rod 19, the upper side of the mold release agent on the rear surface of the middle plate (4c) At the lower side, the middle plate lower electronic nozzle 22 is supported by the bellows hose 21 and protrudes toward the mold 4 to spray the release agent from the lower side to the upper side at the rear surface of the middle plate 4c. .

Of course, each of the electronic nozzles 16, 18, 20, 22 may be easily changed in position by the corresponding installation rods 15, 17, 19 and the bellows 21.

In particular, the bellows 21 can easily adjust the injection direction of the lower plate electronic nozzle 22, and can flexibly cope with the interference between the mold 4 and the electron nozzle 22 that may be generated. Sparks cannot be generated by hitting the mold 4.

The first and second sensors 29 and 30 of the mold detecting means for detecting the presence or absence of the mold 4 detect an object within a set distance, detect that the mold 4 is close, and signal the controller 26. To output the bar, it is usually preferred to use an optical sensor.

The tag 23 records the type of the mold 4 fixed to the bogie 3 so that the reader 24 recognizes the type of the mold 4, and the reader 24 reads the tag 23. In order to recognize the type of the mold (4) recorded in the) and to output a signal to the controller 26, the reader 24 recognizes the unique number recorded on the tag 23, this unique A mold releasing agent is sprayed and applied to a plurality of electron nozzles 16, 18, 20 and 22 on the mold corresponding to the number.

Since the mold opening and closing detection sensor 25 may interfere with the electron nozzles 16, 18, 20, and 22, the mold 4 in the closed state may detect the closed state of the mold 4 to prevent this. The controller 26 outputs a signal, and accordingly the controller 26 applies a current to the direction control valve 28 to operate the piston cylinder 13 to operate the plurality of electronic nozzles 16, 18, 20, 22. ) Is spaced apart from the mold 4.

Of course, the mold opening and closing detection sensor 25 may also use an optical sensor like the first and second sensors 29 and 30 described above.

The mold release agent application apparatus for manufacturing a seat sponge of a vehicle according to the present invention thus formed acts as follows.

When the operation is started, the upper mold 4a of the mold 4 introduced into the booth box 1 is rotated about one side of the lower mold 4b, and the piston cylinder 13 is introduced into the air pressure while being opened in a mutually open state. By moving the plurality of electron nozzles (16, 18, 20, 22) to the right downward in the drawing position the middle plate lower electron nozzle 22 in the space formed in the connection portion of the upper mold (4a) and the lower mold (4b) Done.

In this state, when the reader 25 recognizes the unique number of the tag 23 and sends a signal to the controller 26, the controller 26 recognizes the type of the mold 4 corresponding thereto, and then the mold 4 Each of the electron nozzles 16, 18, 20, and 22 corresponding to) is independently controlled.

That is, in the case of a mold without a middle plate, it is not necessary to spray the middle plate upper electron nozzle 20 and the middle plate lower electron nozzle 22, and when it is not necessary to apply a release agent, the electron nozzles 16, 18, 20, 22 In the case of a mold having a middle plate, the middle plate upper electron nozzle 20 and the middle plate lower electron nozzle 22 are controlled to be sprayed, and a plurality of electron nozzles 16, 18 and 20 are controlled. The number of cases of controlling (22) is large, and the mold release agent can be spray-coated in accordance with various molds (4).

In any case, when the mold 4 is moved and recognized by the first sensor 29, the release agent is formed on the mold 4 by the signal of the controller 26. By spray coating).

In addition, when the mold 4 is moved and the back of the mold 4 passes through the second sensor 29, the controller 26 receiving the signal of the second sensor 29 receives a plurality of electronic nozzles 16, 18, and the like. 20,22) to stop operation.

Then, the release agent is easily applied to the shape molded in the upper mold 4a and the lower mold 4b of the mold 4.

On the other hand, at the start of work, at the end of work, during the work, when the closed mold 4 is introduced into the booth box 1, the mold opening and closing detection sensor 25 detects this, and the controller 26 detects the mold opening and closing sensor ( In response to the signal of 25, the directional control valve 28 is operated to operate the piston cylinder 13 in an initial state so that the plurality of electromagnetic nozzles 16, 18, 20, 22 are spaced apart from the mold 4 so that the mold ( 4) will not hit.

Thus, the mold release agent applying apparatus for manufacturing a seat sponge of a vehicle according to the present invention can efficiently apply molded parts of an upper mold and a lower mold with a release agent by using a plurality of fixed electronic nozzles.

As described above, the mold release agent applying apparatus for manufacturing a seat sponge of a vehicle according to the present invention is sprayed on a trolley and continuously transferred to the upper mold and the lower mold at a suitable time, because a plurality of electron nozzles for injecting the mold release agent are sprayed at appropriate times. The release agent can be easily applied and sprayed on the inside of various molds, and the structure is simple, so it is much cheaper than the equipment cost invested in the conventional robot, and even if the mold installed in the trolley is replaced, the controller according to the type of the mold recorded in the tag There is an advantage that the release agent can be sprayed on the mold by only setting the work.

In particular, the present invention can not only easily change the position of the mid-panel lower electronic nozzle connected to the bellows hose by using the bellows but also uses the bellows, so that the release agent can be safely and easily spray-coated onto the back of the midboard. have.

Claims (2)

A plurality of molds are respectively arranged on a plurality of trucks installed on a conveyor continuously circulating through the booth box, and the seat of the vehicle comprising spraying a release agent on the plurality of upper molds and the lower molds that are opened while penetrating the booth box. In the release agent coating device for manufacturing mold of sponge, The main mounting stand 11 is installed in the booth box 1, and a piston cylinder 13 operated by pneumatic pressure is installed in the cylinder mounting stand 12 installed in the main mounting stand 11, and the piston cylinder ( A nozzle mount 14 which is variable in the longitudinal direction of the 13 is installed at the tip of the rod 13a of the piston cylinder 13, and a plurality of upper electron nozzles 16 for injecting a high-pressure release agent are provided in the nozzle mount ( The second mounting rod (15) is installed on the first mounting rod (15) vertically spaced apart up and down, and the plurality of lower electron nozzles (18) for injecting a high-pressure release agent are installed in the nozzle mounting unit (14). 17) a third plate installed at the upper end of the nozzle mounting unit 14 is installed on the upper side of the nozzle mounting 14 spaced apart from the front and rear, and the upper plate 4c formed on the upper mold (4a) for injecting the release agent from the upper side It is installed on the mounting rod 19, and formed in the upper mold (4a) (4c) the middle plate lower electromagnetic nozzle 22 for spraying the release agent on the rear surface is connected to the bellows hose 21 installed in the nozzle mounting 14, the mold detecting means for detecting the presence or absence of the mold (4) The tag 23 which is installed in the center of the main mounting table 11 and records the type of the mold 4 fixed to the trolley 3 is installed at one end of the trolley 3, and the tag 23 The reader 24 for recognizing the type of the mold 4 recorded on the main body 11 is installed close to the tag 23, and the upper mold 4a and the lower mold 4b are closed. A mold opening and closing detection sensor 25 for detecting a state is installed at the inlet 1a of the booth box 1, and the upper electronic nozzle 16, the lower electronic nozzle 18, the middle plate upper electronic nozzle 20 and The controller 26 which controls the intermediate plate lower solenoid 22 independently and intermittently controls the metal mold | die 4 installed in the trolley | bogie 3 by receiving the signal of the said reader 24. The electronic nozzles 16, 18, 20, and 22 are independently controlled according to the mold 4 while receiving a signal from the mold opening and closing sensor 25 while recognizing the type. Of the seat sponge of the vehicle, which operates the direction control valve 28 provided between the piston cylinder 13 and the compressor 27 to separate the electron nozzles 16, 18, 20, and 22 from the mold 4; Release agent coating device for manufacturing mold. The method of claim 1, The mold detecting means is composed of a first sensor 29 and a second sensor 30 spaced apart in parallel to the longitudinal direction of the mold (4), between the first sensor 29 and the second sensor (30) The electronic nozzles 16, 18, 20, and 22 are positioned on the upper side, and the controller 26 controls the electronic nozzles 16, 18, 20, and 22 by the signal of the first sensor 29. A release agent applying device for manufacturing a mold for manufacturing a seat sponge of a vehicle, wherein the controller 26 stops the operation of the electronic nozzles 16, 18, 20, and 22 according to a signal of the second sensor 30. .