JPS60190260A - Gap correction apparatus in coating machine - Google Patents

Abstract

PURPOSE:To enable accurate adjustment, by providing an electric digital micrometer for detecting the gap between a back-up roll and a metering bar and finally adjusting the gap by the movement of the metering bar to one direction. CONSTITUTION:When the 1/1,000mm. reduction in the gap between a back-up roll 2 and a metering bar 3 is detected by a digital micrometer, a reversible motor 15 is positively rotated through an operation amplifier to allow the metering bar 3 to move to a direction for increasing the gap to restore said gap to a reference gap. On the other hand, when the 1/1,000mm. increase in the gap is detected, the reversible motor 15 is reversely rotated to move the metering bar 3 to a direction for reducing the gap and the motor 15 further succeeds reverse rotation so as to reach an 1/1,000mm. reduced state. When this reduction is detected, the reversible motor 15 is again rotated positively to finally perform adjustment while the gap is increased in the similar way as the reduction in the gap.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for correcting the gap between a bank unroll and a metering par facing above the bank unroll in order to make the amount of coating agent applied to a temporary coating material uniform. .

Conventionally, the distance between the puncture up roll and the metal ring par,
A device is known in which a material to be coated and a coating agent are supplied and the coating agent is uniformly applied to the material to be coated.

However, in order to keep the distance between the bank unroll and the metering par constant, the spindle of the dial gauge supported on the machine base is brought into contact with the metering par, and the standard displayed on the dial gauge is The displacement with respect to the interval is read, and based on this, correction of the interval is carried out manually.

With this method, it is only possible to adjust the error of less than Q:J,''/IUOm+n. In addition, it is difficult to apply the coating material evenly in a state where there is no coating, and during the work, changes in the viscosity of the coating solution due to changes in temperature, humidity, etc., or bank The +C interval is automatically adjusted according to the redundancy. I couldn't do it.

What does the present invention do? 1) Does it eliminate consonant sounds? l
The purpose is to obtain a gap adjustment device and (
It supports 1 m, and the gap between this and the bank up roll can be adjusted freely, and a detection handle detects the intermediate gap between the puncture up roll and the metering bar, a fine adjustment means for finely adjusting the gap, and a τ direction. The coating machine is equipped with an electric digital micrometer with a measuring section on the top of the metering bar as the detection means, and a reversible motor with an AiJ adjustment means supported on the machine base; It is composed of a gear that rotates in conjunction with a reversible motor, and a wire rod screwed into the gear, the middle of the AiJ metering par is supported on the wire rod, and the blood blood digital micrometer is provided. The reversible motor is controlled by a single electric word corresponding to the displacement of the intermediate position of the metering par with respect to the standard 1hj interval, which is detected in It is characterized by adjusting the movement direction.

An example of implementing the present invention will be explained with reference to the attached drawings.

In the drawing, (1) is a machine base, and -+21 is a bank unroll which is rotatably provided by supporting both ends of the machine base (1).
3) shows a metering hardware placed on the upper surface of the metal ring roll (2), and the metering par (3) has both ends supported by the spacing adjustment device K (4), The spacing between the front and back roll +2) can be freely adjusted.

07L Fireflies To be more specific, the 414th section direct installation (4) is based on the upper end of the machine stand Ill ItC, Bh, the swinging lever (6) which is pivotally supported for free movement, and the vIC body pressure piston cylinder (6) connected to the lower end of the 7) and the -F contact of the swing lever (6) δ7
The hydraulic piston/ring (7) operates to adjust the distance between the pack amplifier roll (3) and the metal link bar L31, and also to adjust the distance between the eccentric cam (8) and the metal link bar L31. Rotation vc J: Internuclear 1~"l'l L
J I decided to do a minute section.

In addition, in the drawing (9+ rJ: the bank unroll (3) and metal link bar = (2) and vli + I IQ? 1"a: supplied through! Band-shaped temporary application of resin film etc. i, 3
'v+ul is a supply unit that supplies adhesive as a coating material to the upper surface of the temporary coating plate (9) just before it is introduced between the bank unroll (3) and the metering bar (2), and
Bank up roll (3) and metering bar (2)
Between k 6r'f=The material to be coated with the coating material U@
There is no particular difference from the coating machine known since iIL in the guide roll that guides the 5°.

The present invention provides an electric digital micrometer α31 as a detection handle for detecting the distance between the pack unroll (3) and the metering bar (2), as shown in Figure 3, in a fitting. A digital micrometer (131) is equipped with an adjusting means (11) that automatically finely adjusts the interval according to the interval detected by the digital micrometer (131) so that the interval is always maintained at an extremely accurate constant interval. I will explain this in detail.

That is, the brake supported on the machine base (1) as the adjusting means α, and the gear Q rotating in conjunction with the reversible motor (15).
61, and the wire rod (I7) inserted into the gear α6) and the wire rod (17), and the wire rod (17) is inserted into the middle 1' of the metal ring par (3).
= Jx supported and provided, the digital micrometer 0
3IVC constantly detects changes in the interval between the bank unroll (2) and the metering bar +31,
When a change of 71,000 m from the reference value occurs, the control unit (13d) controls the reversing motor u51'e to correct this change in interval.

To further elaborate on this, the digital micrometer αJ
The detection unit (13a) and the calculation amplification unit (13b) which takes the value detected by the detection unit (13a) as an electricity value, compares it with the reference number 1, and then amplifies the value. Depending on the way the width portion (13b) comes out, the brake is connected to the J reversible motor (151') and a control circuit portion (13b) that rotates in both forward and reverse directions.

In the illustrated example, a similar reversible motor is used as the motor that drives the eccentric cam (8) for fine adjustment of the distance between the puncture up roll +21 by the eccentric cam (8) and the metal link bar (3). Q51 is used, and the [11
An electric digital micrometer 03) τ was installed to detect the 114'' spacing between the ends, and the spacing was automatically adjusted in the same manner as described above.

Next, to explain these adjustment operations, first, gap gauges (not shown) are held between both ends of the puncture up roll 12+ and the metering bar (3) as well as at the intermediate position i+'f, and then [111 Adjustment device (+41 υ) Position of metal link bar (3) relative to link up roll (2) (
1f' is determined, and in this state, the marking part 0 of each digital micrometer (marking part (13d) of koji) located between both ends is set.

Then, when each digital micrometer α detects all changes of 1/1000m+n with respect to the reference position (first set position), output signals are obtained from the operational amplifier (13b) according to the size of the interval with respect to the reference position. Set it as follows.

In this case, for example, when the digital micrometer (to) detects that the distance has decreased by 1/1000 m, an output of 1 is sent to the first output terminal of the amplifier (13b).
The relay R1 connected to this occurs. Excite. Then, the control circuit section (13c) k consists of the forward rotation switching circuit (13cm1) and the reverse rotation switching circuit (13cm1) of the reversible motor α0.
13C-2) and its valley contact r 1 a e
r 1b k Change MJ. Therefore, the relay R2 interposed in the forward rotation switching circuit (13cl-1) is energized and closes at the seventh contact r2. For this reason, the relay salt is excited, and its relay contact r interposed in the forward rotation circuit of the reversible motor aυ
Close on 3. For this reason, the ijJ reverse motor (15) rotates in the normal direction and the metering bar (3) moves in the direction of increasing the interval. ]
l - move. Then, when the reference interval VC returns, the performance is
When the output from the amplifier (13c) is lost and relay 1 is demagnetized, its relay contacts r1a and rl-b switch to their original states, and relay fL3 is demagnetized and its contact ``3'' opens. For this reason, the interval is also maintained in the reference state.

When the digital micrometer (131+'t knee) detects that the interval has increased by 1/1000, an output signal is generated at the second output terminal of the operational amplifier (13c), and the JL4 connected to this ?c Excite.

Then, the reversible motor (1
5) Close the 7th contact r4 that intervened in the reverse rotation torch (- circuit (13cm2)).

After this 7°, the 7 relay contacts r5 interposed in the reversing circuit of the reversing circuit (13 cm2) K of the intervening relay 1 (5 or energized reversible motor 05) are closed. Therefore IJ
The J reversing unit (15) moves the metering bar (3) in the direction of reversing and reducing the interval to n. If the reference interval (.) is restored, the output of the R calculation amplifier (13c) will be lost, and as a result, relay R6 will be demagnetized and its relay contact r5 will be switched to its original state, but the relay B4 maintains the energized state through the B contact R1-b of the relay salt in parallel with the relay contact R5 and the self-holding rsbk of the relay 5. Therefore, the "white" reversing motor Q51 continues to rotate further, and the interval " /1000 It moves in a state where vrrn decreases. When -j, output No. 1b is generated in the first output line 1, the relay box and tray are energized as described above, and the reversible state is achieved through the above-mentioned process. Motor Q51 ?!? Rotate forward and increase the interval in the same way as when the interval finally decreased\,I
Adjust the f-iJ interval. Therefore, the gap between the gear (16) and the threaded rod (17) can be adjusted accurately without causing errors due to the pack run 7.

The same thing applies when adjusting the gap between the lever (6) and the eccentric cam (8) when adjusting the gap between both ends. In the drawing, Sl r S2 is a digital micrometer (131VC, abnormal increase in the interval, nh
9. 1 from the arithmetic amplifier (13c) when low grapes are detected.
This is a safety switch that intervenes in the forward rotation switching circuit (13d-1) and the reverse rotation switching circuit (13d-2), which are opened by No. n.

In addition, in the actual winding example shown in Figure 1 and Figure 6, the reversible motor (
The metal ring bar (3) is fully supported at the lower end of the screw punch (1η) which is screwed into the gear α6) driven in conjunction with L1.
1 The rotation of the reversing motor (15) causes the screw punch Q7 to move up and down, and the backup roll (21 tome link bar (
3) The distance between the two can now be fully adjusted. However, as shown in FIG. 6, the rotation axis of the gear Q61 that rotates in conjunction with the motor α5) is slightly eccentric, for example, about 0.1 mm, with respect to the rotation center of the rotation axis (181). An eccentric shaft (18a)'z is provided, and a bearing μ is attached to the outer periphery of the eccentric shaft (18a), and a ring (201) is installed. It is also possible to adjust the spacing by supporting the metering bar (3) through the metal ring.

In this case, for example, the control circuit 1115 (13Q)
If the motor (15I) continues to rotate due to a malfunction, etc.
Therefore, the distance between the bank and roll (2;
It is safe and will not shrink. (to) in the drawing is a joint ■υ
It is a screw rod with screws loosened in opposite directions at both ends.

According to the present invention, the detection means for detecting the intermediate distance between the backup roll and the metering bar is constituted by an electric digital micrometer with a detection part facing the metering bar, and the distance is finely adjusted. The fine adjustment means is composed of a reversible motor supported on a machine base, a gear that rotates in conjunction with the reversible motor, and a screw screw inserted into the gear, and the metal screw is inserted into the screw screw. The middle of the ring bar is supported, and the reversible motor is controlled by an electric signal corresponding to the displacement of the middle dispersion of the metering bar with respect to a reference interval detected by the electric digital micrometer, and finally the interval is adjusted. Regardless of the decrease or increase, the metering bar was always moved in one direction and the distance was made to be the entire distance of m & 1, so it was possible to finely adjust the distance between the backup roll (2) and the metering bar (3). : This can be done automatically whenever an error occurs, and the adjustment is always made by moving in one direction regardless of the decrease or increase in the interval. This has the effect of eliminating errors such as backlash and allowing accurate adjustment.

[Brief explanation of drawings]

The drawings show one example of the present invention in action; Fig. 1 is a front view, Fig. 2 is a side view, Fig. 3 is an enlarged plan view of main parts, Fig. 4 is a control system diagram, and Fig. 5 6 shows an electric circuit, and FIG. 6 shows another practical example of the adjusting means. 11+... Machine base (2)... Backup roll (
3)...Metering bar αJ...t Air f digital micrometer (141.
... Adjustment means α5 ... Reversible motor 2 people outside 111" + Jll 591p June 28th, Commissioner of the Japan Patent Office 1, J ¥ ('l table) jl 11t) Japanese Patent Application No. 45685 Bow 2 , fame and benefit of the invention. Relationship between the gap correction device 3 in a coating machine and the case of a person who compensates the market Patent 1γ1゛Applicant 4, Agent

Claims (1)

[Claims] The metal ring par facing the top surface of the bank unroll rotatably supported on the machine base is supported at both ends by the gap adjustment device installed on the machine base, and the output JPI between this and the bank unroll! In a coating machine which is freely adjustable and is equipped with a detection means for detecting the intermediate distance between the nonanku anzolol and the metal ring par, and a fine adjustment means for finely adjusting the distance, An electric digital micrometer with a detection part facing on the ring par, a reversible motor with the adjustment hand li supported on the machine base, and a gear that rotates in conjunction with the reversible motor. and,
A screw screw is screwed into the gear, and the screw screw is provided to support the intermediate portion of the metal ring, and the electric digital micrometer VC detects the intermediate position of the metal ring. The i'' reversing motor is controlled by an electric signal corresponding to the displacement with respect to the reference interval VC, and finally the IJ angle is adjusted in one direction regardless of the decrease or increase of the interval. Gap correction device for coating machines.