JP3625671B2 - String body spraying device, string body spraying method, string body spraying device production apparatus, and string body spraying material production method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a string body spraying device, a string body spraying method, a string body spraying device production apparatus, and a string body spraying material production method.
[0002]
[Prior art]
Conventionally, in the spraying of such string bodies, spraying has been performed using a spray gun or the like. In this case, for example, a string of bundles of glass fibers is used as the string body. The string body can be fixed to the surface of the object to be sprayed by supplying the string body to the surface of the object to be sprayed, feeding it, and spraying the fixing agent. Such string body spraying is performed on the front or back surface of a product such as FRP (Composite Reinforced Plastic) such as a bath tub, unit bath, septic tank, boat, tool, furniture, and vehicle.
[0003]
[Problems to be solved by the invention]
If such a string body is cut off in the middle or the remaining amount is exhausted, the supply of the string body is stopped, and an article to be sprayed without the string body is completed. This is a defective product.
[0004]
An object of the present invention is to prevent the string body from being supplied to the article to be sprayed reliably and the article to be sprayed without the string body from being erroneously produced.
[0005]
[Means for Solving the Problems]
A change in the storage amount of the string body was detected, and the supply of the fixing agent to the body to be sprayed was stopped based on the detection result. Accordingly, it is possible to prevent the sticking agent from being supplied to the article to be sprayed without supplying the string body, and the article to be sprayed without the string body is not erroneously produced.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
1. Entire device
FIG. 1 shows a string body spraying apparatus, an apparatus for performing a string body spraying method, a string body sprayed object production apparatus, and a string body sprayed object production method.
[0007]
The spraying robot 4 is fixed on a base 5 and includes a first arm 1, a second arm 2, and a third arm 3. Between the base 5 and the arms 1, 2 and 3, joints 6, 6 and 6 are provided so that the arms 1, 2 and 3 can be bent with respect to each other. A spray gun 7 and a string body supply unit 8 are attached to the tip of the third arm 3. The spray gun 7 supplies two types of fixing agents 9 and 10 and sprays them onto the article 80 to be sprayed, and the string body supply unit 8 supplies the string bodies 11 (roving) and sprays them onto the object 80 to be sprayed. Thereby, the string body 11 and the fixing agents 9 and 10 are fixed to the surface of the article 80 to be sprayed.
[0008]
A step motor (pulse motor) (not shown) is provided at the joints 6, 6, 6 and the base 5, and the step motor is rotated forward and backward by a predetermined angle, so that the orientation of the entire spraying robot 4 and the above-mentioned The angles of the arms 1, 2, and 3 change, and the spray gun 7 and the string supply unit 8 are moved and sprayed along the spraying surface of the article 80 to be sprayed. The drive of the step motor and the control of the rotation angle are executed by the computer 12. The computer 12 stores a spraying program, and the spraying along the shape of the sprayed object 80 is automatically performed according to the program. The step motor may be another type of motor as long as it can be digitally controlled by a computer.
[0009]
A bundle of string bodies 11 is installed and stored on the electronic balance 20. In this bundle, the string bodies 11 are connected to one. This string body 11 is a string of bundles of glass fibers, and other fibers such as natural fibers, synthetic fibers, semi-synthetic fibers, chemical fibers, metal fibers, strings of rubber, resin, paper, ropes, ribbons, tapes, etc. It ’s a belt. The string body 11 is fed and supplied to the string body supply section 8 along ring guides (not shown) provided on the arms 1, 2 and 3. The weight data of the bundle of string bodies 11 measured by the electronic balance 20 is constantly sent to the computer 12.
[0010]
A sensor 21 is provided in one of the arms 1, 2, and 3 in the supply path of the string body 11. The sensor 21 detects the presence or absence of the string body 11 in the supply path of the string body 11. Data detected by the sensor 21 is constantly sent to the computer 12. As the sensor 21, an optical sensor (photoelectric tube), an infrared sensor, a photocoupler, an acceleration sensor, an optical electric field sensor, an optical voltage sensor, a magnetoresistive element, a Hall element, a flow rate sensor, a flow rate sensor, or the like is used.
[0011]
On the electronic scales 22 and 23, containers 26 and 27 containing the fixing agent 9 and the curing agent 10 are installed and stored. Hoses 28 and 29 are provided from the containers 26 and 27 to the spray gun 7. The hoses 28 and 29 are locked to suspension guides (not shown) provided on the arms 1, 2 and 3. The weight data of the fixing agent 9 and the curing agent 10 measured by the electronic balances 22 and 23 are always sent to the computer 12.
[0012]
Further, a stable signal AS or an unstable signal US is output from the electronic balances 22 and 23 and the electronic balance 20 to the computer 12. The unstable signal US is output if the weight of the electronic balance 20, 22 and 23 is fluctuated and the weight data measured by the fluctuation fluctuates more than a predetermined value. When the stability signal AS is on the electronic balances 20, 22 and 23, the fluctuation of the weight is subsided, and if the weight data measured by this fluctuation does not fluctuate and does not fluctuate more than a predetermined value, the unstable signal US Is output instead of.
[0013]
Such a switching process between the stable signal AS and the unstable signal US is executed by the microcomputer in the electronic balances 20, 22 and 23. In this process, the maximum value and the minimum value of the past weight data for each unit time are obtained, and the difference between the maximum value and the minimum value is obtained for each unit time. The stability signal US is output, and if it is less than the predetermined value, the stability signal AS is output.
[0014]
If the unstable signal US is output, the storage amount of the string body 11 is reduced, and the supply of the string body 11 is normally performed. Therefore, if this unstable signal US is supplied to the computer 12, the storage amount of the string body 11 has changed. Therefore, the change in the storage amount of the string body 11 is detected by the unstable signal US.
[0015]
Further, if the stability signal AS is given to the computer 12 for a predetermined time or longer, the storage amount of the string body 11 has not changed. Therefore, the change in the storage amount of the string body 11 is also detected by the stability signal AS.
[0016]
An airless pump 30 is provided in the middle of the hose 28 through which the sticking agent 9 flows, and the sticking agent 9 is pumped up and sent to the spray gun 7 and supplied. The airless pump 30 is driven by a compressor. An electromagnetic valve 32 is provided in the middle of the hose 28 at the end of the airless pump 30, and the supply of the sticking agent 9 is stopped or allowed.
[0017]
A pressure-feed tank 31 is provided in the middle of the hose 29 through which the curing agent 10 flows, and the curing agent 10 is pumped up and fed into the spray gun 7 and supplied. This pressure feed tank 31 is driven by a compressor. An electromagnetic valve 33 is provided in the middle of the hose 29 at the tip of the pressure feed tank 31, and the supply of the curing agent 10 is stopped or allowed. These solenoid valves 32 and 33 are driven and controlled by the computer 12.
[0018]
Sensors 24 and 25 are provided in the middle of the hoses 28 and 29. The sensors 24 and 25 detect the presence or absence of the fixing agent 9 and the curing agent 10 in the supply path of the fixing agent 9 and the curing agent 10. Data detected by the sensors 24 and 25 is always sent to the computer 12. As the sensors 24 and 25, a flow rate sensor, a flow rate sensor, an optical sensor (photoelectric tube), an infrared sensor, a photocoupler, an acceleration sensor, an optical electric field sensor, an optical voltage sensor, a magnetic sensor, a magnetoresistive element, a Hall element, or the like is used.
[0019]
The fixing agent 9 is made of a liquid thermosetting resin or a liquid thermoplastic resin such as an unsaturated polyester. The curing agent 10 is a liquid, and is mixed with the fixing agent 9 to be cured, and is made of, for example, methyl ethyl ketone peroxide dimethyl phthalate.
[0020]
The fixing agent 9 and the curing agent 10 are blown out from the spray gun 7 and then mixed in the air. When sprayed onto the surface of the article to be sprayed 80, the fixing agent 9 and the curing agent 10 react and cure, and the string body 11 is applied to the surface of the article to be sprayed 80. Secure. When the string body 11 is sprayed and mixed with the fixing agent 9, the hardness of the fixing agent 9 is increased. The two fixing agents 9 may be automatically cured by thermal curing or thermoplasticity after a lapse of time, and the string body 11 may be fixed to the surface of the article 80 to be sprayed.
[0021]
One or both of the fixing agent 9 and the curing agent 10 contain a dye and have a color. The fixing agent 9 and the curing agent 10 having both the colors are different from each other and mixed to become a mixed color, or when they are sprayed on the article 80 to be sprayed without being mixed, a mottled pattern is formed. Or formed. This mottled pattern is like a granite or marble. Only one color of such an adhesive may be supplied, or three or more colors may be supplied. One or both of the fixing agent 9 and the curing agent 10 may be a paint.
[0022]
Compressed air from the compressor 33 is fed into the string body supply unit 8 via the hose 34 and supplied. Supply of the string body 11 to the article to be sprayed 80 is performed by the feeding of the compressed air. An electromagnetic valve 35 is provided in the middle of the hose 34, and the supply of compressed air is stopped or allowed. The drive control of the drive motor (not shown) of the drive motor (not shown) of the compressor 33, that is, the rotation start (ON), the rotation stop (OFF), the rotation speed (number of rotations), and the rotation direction are determined by the computer 12. Executed.
[0023]
2. String body supply unit 8
FIG. 2 shows the string body supply unit 8. The string body 11 passes between the auxiliary roller 40 and the air driving roller 41, passes between the air driving roller 41 and the rubber roller 42, and further between the guides 43 and 44, and the string body 11 is placed on the article to be sprayed 80. Is sprayed and supplied.
[0024]
The air driving roller 41 is driven to rotate by blowing out compressed air supplied by the compressor 33. The auxiliary roller 40 and the rubber roller 42 are rotated by the rotational drive of the air driving roller 41.
[0025]
The spray gun 7 is provided on the side of the string body supply unit 8 downward, and the sticking agent 9 and the curing agent 10 sent separately from the tip of the spray gun 7 are blown out and sprayed. The fixing agent 9 and the curing agent 10 are sprayed on the surface of the object 80, the fixing agent 9 is cured, and the string body 11 is fixed.
[0026]
The sticking agent 9 is blown downward substantially vertically, while the string body 11 is blown obliquely downward and joins the blowing line of the sticking agent 9. Further, the curing agent 10 is also blown obliquely downward and joins the blowing line of the fixing agent 9. The joined fixing agent 9, curing agent 10, and string body 11 are integrally blown, painted and fixed on the article to be sprayed 80. In FIG. 1, the spray gun 7 and the string body supply unit 8 are horizontally oriented, but actually are vertically oriented as shown in FIG. 2.
[0027]
3. Computer 12
FIG. 3 shows a circuit of the computer 12. A part of the computer 12 and a part of a process (flow chart) to be described later may be provided in the spraying robot 4. Detection data generated from the sensors 21, 24, and 25 is converted into digital data by the sensor circuit 50 and further captured by the CPU 52 via the input interface 51. Digital weight data from the electronic balances 20, 22, and 23 is converted by the decoder 55 and further captured by the CPU 52 via the input interface 51.
[0028]
The ROM 53 stores a spray check program according to the flowchart of FIG. 4 described later, the above-described spray program, and a system program, and stores various other control data and numerical data. The RAM 54 stores the detected detection data and weight data, flag data of the stability signal AS, various intermediate processing data, various instruction data input from the input unit 56, instruction commands, and the like. As the weight data and the flag data of the stability signal AS, all data detected for each interrupt process described later is sequentially stored. The input unit 56 includes a keyboard, a touch panel, a mouse or a scanner.
[0029]
The motors of the joints 6 of the electromagnetic valves 30 and 31 and the spray robot 4 are driven by a valve driver 60 and motor drivers 58. The valve driver 60 and the motor drivers 58,..., Open / close control of the electromagnetic valves 30 and 31 and the rotation start (on) and rotation of the motor according to control data given from the CPU 52 via the output interface 59. Controls such as stop (off), rotation speed (number of rotations), and rotation direction are performed.
[0030]
The ROM 53 and RAM 54 (internal storage medium / means) can be a storage device such as a hard disk, flash memory, or EPROM. In the ROM 53 and RAM 54, a computer program stored in an information storage unit 57 (external storage medium / means) such as an optical disk, a magneto-optical disk, or a magnetic disk is copied and stored (installed / transferred). The ROM 53 and the RAM 54 also store (install / transfer) programs transmitted from an external / internal computer. The storage medium for this program includes a communication medium.
[0031]
This installation (transfer / copying) is automatically executed when the information storage unit 57 is set in the musical tone generator or when the computer 12 is turned on, or is installed by an operation by the operator. . The program is the program for the CPU 52 to perform various processes.
[0032]
Note that another operating system, a system program (OS), and other programs may be stored in advance in the computer 12, and the program may be executed together with these OS and other programs. When this program is installed in the apparatus (computer main body) and executed, it is only necessary to execute the processing / function described in the claims together with another program or alone.
[0033]
Further, a part or all of this program is stored and executed in one or more other devices other than this device, and data to be processed / already processed through communication means between this device and another device. The present invention may be executed as the entire apparatus and the separate apparatus.
[0034]
From the timing generator 61, a timing control signal for synchronizing all the circuits of the device is output to each circuit. This timing control signal includes a clock signal of each period, a signal obtained by logical product or logical sum of these clock signals, a signal having a period of channel division time of time division processing, channel number data, and the like.
[0035]
4). Spray check process (Figure 4)
FIG. 4 shows a flowchart of the spray check process executed by the CPU 52. This process is executed as an interrupt process at regular intervals, for example, every 0.5 seconds, based on the clock signal. This process is executed only when the spray program is executed and the motor of the spray robot 4 is driven, but may be executed at other times.
[0036]
In this process, first, the detection data DT from the sensor 21 of the string body 11 is captured, written and stored in the RAM 54 (step 01). If the detected data DT is absent from the string body 11 (step 02), error processing (step 03) is executed.
[0037]
In this error processing, the solenoid valves 30 and 31 are closed, and the motor of the joint portion 6 of the spray robot 4 is stopped. In addition, an alarm buzzer (not shown) is sounded, an alarm lamp (not shown) flashes, or an operator's mobile phone is automatically called.
[0038]
Thereby, if the string body 11 does not exist in the middle of the supply path (step 02), the production of the article 80 to be sprayed is immediately stopped. In this way, it is possible to prevent production (manufacturing) of the article to be sprayed 80 in which the string body 11 is not sprayed and only the fixing agent 9 and the curing agent 10 are sprayed.
[0039]
When the detection data DT has no string body 11, the string body 11 has no remaining storage capacity, the string body 11 has a remaining capacity, and the string body 11 is cut halfway. This corresponds to the case where the string 11 is extremely thin on the way even though there is a remaining amount.
[0040]
Next, the weight data WT (n) from the electronic balance 20 of the string body 11 is taken in and written and stored in the RAM 54 (steps 04 and 05). Next, if the previous weight data WT (n-1) is stored in the RAM 54 (step 06), the previous weight data WT (n-1) in the RAM 54 is read (step 07). If the value of the current weight data WT (n) taken in step 04 is not smaller than the value of the previous weight data WT (n−1), that is, the remaining amount of the string body 11 changes. If not (decrease) (step 08), the error processing is executed (step 03).
[0041]
Thereby, even if the string body 11 is detected (step 02), if the amount of the string body 11 is not reduced (step 08), it is considered that the blowing of the string body 11 itself has stopped for some reason. Accordingly, it is possible to prevent production (manufacture) of the article to be sprayed 80 in which the string body 11 is not sprayed and only the fixing agent 9 and the curing agent 10 are sprayed.
[0042]
The case where the amount of the string body 11 is not reduced corresponds to the case where the string body 11 is clogged in the supply path of the string body 11 and the string body 11 cannot be fed.
[0043]
In addition, you may perform the detection process of the string body 11 of the said steps 01 and 02 after the weight detection of the string body 11 of steps 04-08. Thereby, even if the weight of the string body 11 is reduced, if the string body 11 does not exist in the middle of the supply path, the production of the article to be sprayed 80 is immediately stopped.
[0044]
If the detected data DT is present in the string body 11 in the step 02, the process is returned as it is. Furthermore, if the previous weight data WT (n-1) is not stored in step 06, the process returns as it is. This case corresponds to the start of the spraying process.
[0045]
Although not shown in the drawing, the initialization process is executed every time the spraying to one sprayed object 80 is completed. In this process, the weight data WT stored in the RAM 54 is cleared. Further, other data is also cleared and various initialization processes are executed.
[0046]
5. Spray check process (Figure 5)
FIG. 5 shows a flowchart of another embodiment of the spray check process executed by the CPU 52. Steps 01 to 03 are exactly the same as steps 01 to 03 in FIG. The processes in steps 04 to 08 in FIG. 4 are replaced with the following processes. First, it is determined whether the signal from the electronic balance 20 (22 and 23) is the stable signal AS or the unstable signal US (step 11). If the unstable signal US is supplied, the process returns as it is.
[0047]
On the other hand, if the stability signal AS is supplied (step 11), the flag data is written into the RAM 54, and it is determined whether or not the flag data has been written in the previous interrupt processing (step 12). If it was written last time, it means that the stability signal AS has continued for a predetermined time or more, and the storage amount of the string body 11 has not changed. Accordingly, in this case, the error processing in step 03 is executed.
[0048]
If the stability signal AS continues for a predetermined time or longer in this way, the supply of the string body 11 is stopped due to the clogging of the string body 11 and the string body 11 is not sprayed in the same manner as described above. It is possible to prevent production (manufacturing) of the article to be sprayed 80 to which only the curing agent 10 is sprayed.
[0049]
In the processing of step 12, it may be determined whether the flag data of the stable signal AS is stored not only for the previous flag data of the stable signal AS but also for the previous time, further the previous time,. Thereby, the detection continuation time of the stable signal AS when performing error processing can be changed. Thus, the detection of the change in the storage amount of the string body 11 can be similarly achieved by detecting the duration of the stable signal AS or detecting the unstable signal US. Thus, the detection of the change in the storage amount of the string body 11 may take any form.
[0050]
The present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention. For example, in the comparison between the previous weight data WT (n−1) and the current weight data WT (n) in Step 08 of FIG. 4, the previous weight data WT (n−2) is also compared. The amount of change may be compared.
[0051]
Further, the check process of steps 01 to 08 can be similarly performed for the other fixing agent 9 and the curing agent 10. In this case, the processes of steps 01 to 08 are executed based on the weight data WT from the electronic balances 22 and 23 and the detection data DT from the sensors 24 and 25.
[0052]
The string body spraying apparatus, the string body spraying method, the string body sprayed object production apparatus, and the string body sprayed object production method according to the present invention are sprayed, painted, applied, using an electrostatic field, brush or Anything that uses a roller is acceptable.
The scope of claims at the beginning of the filing of this specification is as follows.
[A] means for storing the string body, means for sequentially supplying the stored string body and spraying the string body on the body to be sprayed, and spraying the body to be sprayed to fix the string body to the body to be sprayed Means for storing the sticking agent, means for sequentially supplying the stored sticking agent, spraying the sprayed body to which the string body is supplied, and fixing the string body to the surface of the body to be sprayed; and the string body A string body spraying apparatus comprising: means for detecting a change in the storage amount; and means for stopping the supply of the fixing agent to the body to be sprayed based on the detection result.
[B] A sticking agent that sequentially supplies the stored string body, sprays it on the body to be sprayed, sprays it on the body to be sprayed, and fixes the string body to the body to be sprayed. The sticking agent is sequentially supplied, sprayed onto the body to be sprayed supplied with the string body, the string body is fixed to the surface of the body to be sprayed, and the change in the storage amount of the string body is detected. A string body spraying method, wherein the supply of the fixing agent to the sprayed body is stopped based on the result.
[C] Means for storing the string body, means for sequentially supplying the stored string body and spraying the string body on the body to be sprayed, and spraying the body to be sprayed to fix the string body to the body to be sprayed Means for storing the sticking agent, means for sequentially supplying the stored sticking agent, spraying the sprayed body to which the string body is supplied, and fixing the string body to the surface of the body to be sprayed; and the string body A string body sprayed product producing apparatus comprising: means for detecting a change in the storage amount; and means for stopping the supply of the fixing agent to the sprayed body based on the detection result. .
[D] A step of sequentially supplying the stored string body and spraying it on the body to be sprayed, and a fixing agent for spraying the body to be sprayed and fixing the string body to the body to be sprayed. The stored sticking agent is sequentially supplied and sprayed onto the body to be sprayed supplied with the string body, and the string body is fixed to the surface of the body to be sprayed, and the change in the storage amount of the string body is detected. And a step of stopping the supply of the fixing agent to the sprayed body based on the detection result.
[E] a means for detecting the presence or absence of the string body in the supply path of the string body, and further a means for stopping the supply of the fixing agent to the sprayed body based on the detection result A means for detecting a change in the storage amount of the sticking agent, a means for detecting the presence or absence of the sticking agent in the supply route of the sticking agent, and based on both detection results, The string body spraying device according to claim 1, further comprising: means for stopping the supply of the sticking agent; and means for performing notification after the supply of the sticking agent is stopped.
[0053]
【The invention's effect】
As described above in detail, the present invention detects a change in the storage amount of the string body, and stops the supply of the fixing agent to the body to be sprayed based on the detection result. Therefore, it is possible to prevent the sticking agent from being supplied to the article to be sprayed without supplying the string body, and to prevent the article to be sprayed without the string body from being erroneously produced. Play.
[Brief description of the drawings]
FIG. 1 shows a whole of a string body spraying apparatus, an apparatus for performing a string body spraying method, a string body sprayed object production apparatus, and a string body sprayed object production method.
FIG. 2 shows a cross section of a string body supply unit 8;
FIG. 3 shows a circuit of the computer 12;
FIG. 4 shows a flowchart of a spray check process executed by a CPU 52.
FIG. 5 shows another flowchart of a spray check process executed by the CPU 52;
[Explanation of symbols]
1, 2, 3 ... Arm, 4 ... Spraying robot, 5 ... Base, 6 ... Joint part, 7 ... Spray gun, 8 ... String body supply part, 9 ... Fixing agent, 10 ... Hardener, 11 ... String body, 12 ... Computer, 20, 22, 23 ... Electronic scale, 21, 24, 25 ... Sensor, 26, 27 ... Container, 28, 29, 34 ... Hose, 30 ... Airless pump, 31 ... Pressure feed tank, 33 ... Compressor, 32, 33, 35 ... Solenoid valve, 40 ... Auxiliary roller, 41 ... Air drive roller, 42 ... Rubber roller, 43, 44 ... Guide, 50 ... Sensor circuit, 51 ... Input interface, 52 ... CPU, 53 ... ROM, 54RAM, 55 ... Decoder, 56 ... input unit, 57 ... information storage unit, 58 ... motor driver, 59 ... output interface, 60 ... valve driver, 61 ... timing generation unit, 80 The spraying material.

Claims (5)

Means for storing string bodies connected to one;
Is blown onto the spraying material, means for storing the fixing agent to fix the string member to the object to be sprayed was
Sequentially supplying the stored string body, blown to the object to be sprayed product and sequentially supplying the stored binder, with spraying the above object spraying material, merging and the string member and the fixing agent means for spraying the above object sprayed product was integrated by,
A step of constantly detecting the weight of the storage amount of the string body and outputting a stability signal if the difference between the maximum value and the minimum value of the weight data of the detected storage amount is less than a predetermined value during a unit time. And a means for executing an error process for stopping the supply of the fixing agent to the article to be sprayed if the output of the stability signal continues for a predetermined time. String body spraying device. The stored string body led to one by sequentially supplied, allowed sprayed onto spray product and to the string member is sequentially supplied sticking agent stored is fixed to the object to be sprayed was the object to be sprayed product together make blown to, by merging the above string member and the fixing agent allowed blown to the object to be sprayed product to be integrated,
A step of constantly detecting the weight of the storage amount of the string body and outputting a stability signal if the difference between the maximum value and the minimum value of the weight data of the detected storage amount is less than a predetermined value during a unit time. Is repeated every unit time, and if the output of the stability signal continues for a predetermined time, error processing for stopping the supply of the fixing agent to the article to be sprayed is executed. Method. Means for storing string bodies connected to one;
Is blown onto the spraying material, means for storing the fixing agent to fix the string member to the object to be sprayed was
Sequentially supplying the stored string body, blown to the object to be sprayed product and sequentially supplying the stored binder, with spraying the above object spraying material, merging and the string member and the fixing agent means for spraying the above object sprayed product was integrated by,
A step of constantly detecting the weight of the storage amount of the string body and outputting a stability signal if the difference between the maximum value and the minimum value of the weight data of the detected storage amount is less than a predetermined value during a unit time. And a means for executing an error process for stopping the supply of the fixing agent to the article to be sprayed if the output of the stability signal continues for a predetermined time. Production equipment for string spray products. The stored string body led to one by sequentially supplied, allowed sprayed onto spray product and to the string member is sequentially supplied sticking agent stored is fixed to the object to be sprayed was the object to be sprayed product together they make blown to the steps of causing blown to the object to be sprayed product was integrated by merging the above string member and the fixing agent,
A step of constantly detecting the weight of the storage amount of the string body and outputting a stability signal if the difference between the maximum value and the minimum value of the weight data of the detected storage amount is less than a predetermined value during a unit time. A step of executing an error process for stopping the supply of the fixing agent to the sprayed object if the output of the stability signal continues for a predetermined time. To produce a string-type spray. Comprising means for detecting the presence or absence of the string member in the path of the supply of the string body, in this detection, if there is no string member, further comprising means for stopping the supply of the binder to the object to be sprayed was
The string body spraying device according to claim 1, further comprising means for informing after the supply of the fixing agent is stopped.

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