JPH078592B2 - Automatic rubber stamp manufacturing method and apparatus - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Field of Industrial Application> The present invention relates to an automatic continuous manufacturing method of a rubber stamp and its apparatus.

<Prior Art> A conventional rubber stamp is printed by manually pressing the printing surface of the printing rubber against one surface of the rootstock, and then carrying the printing rubber and adhering to the other surface of the rootstock, which is the imprinting surface. It has been manufactured by

<Problems to be Solved by the Invention> However, the manufacturing of rubber stamps by hand cannot not only improve the manufacturing efficiency, but also has the problem of causing misalignment and unclear portions in the heading printing and the sticking of the printing rubber due to the eye registration. there were.

<Means for Solving the Problem> The present invention picks up the printing rubber from a rotation supply unit of the printing rubber on one side of a belt-shaped workbench that continuously supplies the rootstock, and the printing rubber from the supply unit.
Means for applying ink to the printing surface of the rubber and pressing it against one surface of the supply platform on the worktable to print the headline, and the same platform that receives the print rubber on the other side of the worktable and prints the headline It is an object of the present invention to solve the above-mentioned problems by providing a means for adhering the backrest to the other surface and automatically producing rubber stamps continuously.

<Operation> The rootstock is continuously supplied onto a belt-shaped workbench, and the printing rubber placed on a rotation supply unit provided on one side of the workbench is picked up by a pick-up means to spread the printing rubber. Printing ink is applied to the printing surface of the work table, and when one stop of the supply stock on the workbench is stopped, the headstock is printed by pressing it on one surface of the workbed, and the printing is performed by the receiving means provided on the other side of the workbench. When the rubber is received, the printing rubber is adhered to the other surface of the base at the time of the next stop of the base to form a rubber stamp, and the manufactured rubber stamps are sequentially aligned and taken out at the end of the belt-shaped workbench.

The heading printing with the printing rubber on the rootstock does not cause uneven printing or unclear spots evenly pressing by the machine, and since the alignment is performed by the centering means described later, the heading printing on the rootstock and the printing rubber The occurrence of misalignment at the time of bonding will be eliminated.

<Example> An example will be described below with reference to the drawings.

An L-shaped step portion 1a is provided on the box-shaped machine body 1, and a belt-shaped workbench 2 is horizontally floated on the L-shaped stepped portion. The stock supply unit 3 for accommodating and stacking the stocks A in a plurality of rows is mounted. The stock supply unit 3 is provided with a supply port 3a for sending the stocks A one by one at the lower part of the work table 2 facing the other end. One by one is sent out to the standby unit 2a. When the stock supply units 3 are provided in a plurality of rows, only the stocks in the stock row used are sequentially sent out by a selection button device (not shown).

The stock A is on the workbench 2 and has the waiting section 2a and the first process section.
2b, the second process section 2c, and the carry-out section 2d are temporarily stopped at respective positions, and the standby section 2a is provided with a stopper 5 with a gauge.
The first process section 2b is provided with centering members 6a and 6b that operate in a rack-and-pinion system for clamping and fixing the rootstock A from both sides to fix the core, and the second process section 2c is also similarly provided. Equipped with centering members 7a, 7b for centering and fixing the stock A,
Further, the carrying-out section 2d is provided with a carrying-out member 9 for slidingly feeding the stock A to the storage table 8 which is connected to the second working. Reference numeral 10 is a standing member for standing up and arranging the rubber stamps C, and 11 is a support member for preventing the standing up of the rubber stamps C from returning.

On one side of the first process portion 2b of the workbench 2, for printing a heading, a base 12 that pivots between a horizontal position and an obliquely lower position, and an arm 14 that moves forward and backward with an air cylinder 13 attached to the base 12 The member 15 is provided. At the tip of the arm 14, a hook plate 16 bent downward and a silicon plate 17 for temporarily adhering and picking up a printing rubber B described later on the front surface of the hook plate 16 are attached. On the rear surface of the hook plate 16, a push plate 18 for peeling off the printing rubber B is provided. The push plate 18 has a cam 18a protruding laterally, and the tip of the push plate 18 is formed through the hook plate 16 and the silicon plate 17 by the engagement with the temporary pressing member 19 of the cam attached to the machine body 1. The printing rubber B projects from the hole 20 and is peeled off.

The rotation supply unit 21 of the printing rubber B is horizontally installed at the lower swiveling position of the member 15 for printing the caption. The rotation supply unit 21 has a large number of printing rubber placement units 22 arranged in parallel in a tilted radial pattern, and the air cylinder 23 is adapted to intermittently rotate in the counterclockwise direction with the interval of the printing rubber placement units 22 as one cycle. . Reference numeral 24 is a vertical aligning member for aligning the printing rubber B in the right position, and 25 is a horizontal aligning member of the same. Also, 26 is the printing surface of the printing rubber B
A rotating roller that applies printing ink to B1.

On the other side of the workbench 2, a horizontal shaft 27 parallel to the workbench 2 is provided, and a base 28a is fitted to the horizontal shaft 27 so as to move laterally.
Install. The front end of the support base 28 passes under the work base 2 and reaches the opposite side of the work base 2. The front end of the support base 28 is tiltably rotatable downward with the horizontal shaft 27 of the base 28a as a fulcrum. A member 30 for adhering the printing rubber B that moves forward and backward by an air cylinder 29 is provided on the support base 28, and a standing wall at the front end of the member 30 for adhering.
A plurality of printing rubber holding needles 32 are provided on the upper surface of 31 so that the tips thereof are horizontally arranged with the work table 2 direction. Inside the printing rubber holding needle 32, there is a needle removing plate for pulling the printing rubber B away from the needle 32.
33 are provided. Reference numeral 34 is an air cylinder for pushing the receiving plate 33a on the rear side of the needle removing plate 33 to move the needle removing plate 33 forward.

The support base 28 is the first process section 2b and the second process section of the workbench 2.
Lateral movement between 2c is possible, and the advancing / backward adhering member 30 is inclined and rotated so as not to contact the workbench 2.

A vacuum suction plate that is vertically movable on the lower surface above the workbench 2
A base A provided with 35 and base pressing members 36a and 36b and a lifter 37 for moving and pressing the rubber stamp C are provided side by side in a triple form. Reference numeral 38 is an air cylinder for reciprocating the lifter 37 for moving and pressing along the workbench 2. The triple lifter 37 for moving and pressing reciprocates by the air cylinder 38, and the reciprocating width, each vacuum suction plate 53 and the root pressing member.
The mounting intervals of 36a and 36b are the same as the intervals of the standby part 2a, the first process part 2b, the second process part 2c, and the carry-out part 2d on the workbench 2. Further, 39 is a push roller for positioning the stock A provided on the other side of the first process section 2b of the workbench 2.

Set the recesses A1 for finger hooks on each row of the rootstock supply unit 3 downward and set the heading printing surface A2 to one side, for example, stacking a group of rootstocks A of different colors upside down on each row. Select the row of rootstocks to be used in advance with the select button (Fig. 1, 4, 5). Further, the printing rubbers B peeled off from the release liner are placed one by one on the placing portion 22 of the rotation supplying portion 21 of the printing rubbers B with the adhesive surface facing upward and the upper portion of the printing toward you (Figs. 3, 7). In addition, although not shown, an optical sensor switch is provided so as to detect the absence of the base A or the printing rubber B and stop the operation.

When the feeding member 4 feeds the bottommost rootstock A of the rootstock supply section 3 to the position of the standby section 2a where it abuts the stopper 5 with gauges (Figs. 3 and 5), the vacuum suction plate of the lifter 37 for moving and pressing is provided. 35 descends, adsorbs the above-mentioned rootstock A, ascends, further laterally descends and moves to the position of the first process section 2b on the workbench 2 (Figs. 4 and 5).

In the first process section 2b, the suction plate 35 of the lifter 37 releases the suction of the rootstock A and ascends, and then the centering members 6a, 6b that have spread to both sides of the first process section 2b and waited are closed. A is centered and fixed (Fig. 5). Since the centering members 6a and 6b are interlocked by a rack and pinion system as shown in FIG. 6, the center of the stock A is accurately aligned with the center of the position of the first step 2b and pressed. After the centering, the lifter 37 descends again, and the stocker pressing members 36a and 36b press and fix the stock A, and the centering members 6a and 6b retract to both sides.

During this time, the printing rubber B on the mounting portion 22 reaches a predetermined position by the intermittent rotation of the rotation supply portion 21, and the vertical alignment member 24 and the horizontal alignment member 25 which are adjusted in advance so as to operate according to the size thereof.
Are aligned in the correct position on the mounting portion 22 of the rotation supply portion 21 (FIG. 7).

The heading printing member 15 is swung downward from the horizontal position based on the rotation shaft 12a of the base 12, and the arm 14 at the front is extended by the air cylinder 13 so that the printing rubber B on the rotation supply unit is moved to the arm 14. After temporarily adhering to the silicon plate 17 at the tip (Fig. 8) and picking it up, when the air cylinder 13 is contracted and temporarily stopped, the rotary roller 26 reciprocates and the printing ink is printed on the printing surface B1 of the printing rubber B. Is applied (FIG. 9).

After the ink is applied, the heading printing member 15 pivots upward and becomes horizontal to the original position, and then the arm 14 is advanced in the direction of the root A of the first process unit 2b to move the heading printing surface of the root A. A2
The printing surface B1 of the printing rubber B is pressed against and the heading is printed. After printing, the arm 14 returns to its home position (3, 9
Figure).

Next, the supporting base 28 on the other side is inclined downward, and the member 30 for adhering the printing rubber advances and passes under the work base 2 to reach the front end of the supporting base 28. The member 30 for use faces the arm 14 of the heading printing member 15 (FIG. 10).

In addition, the rootstock A which finished the heading printing during this time is the lifter 37
Is moved to the second process section 2c of the workbench 2 and is centered by the centering members 7a, 7b in the second process section 2c, and then fixedly held by the stocker pressing members 36a, 36b of the lifter 37. (Fig. 14).

The arm 14 facing the member 30 for adhering the printing rubber advances, and the printing rubber B temporarily attached and held to the silicon plate 17 at the tip of the arm 14 projects to the tip of the member 30 for adhering the printing rubber. It is pierced and transferred to the holding needle 32 of the printing rubber (No. 11).
Figure).

In order to reliably move the printing rubber B, the cam 18a provided on the side of the push plate 18 on the rear surface of the arm 14 is temporarily pushed by the holding member 19, so that the push plate 17 moves as the arm 14 moves backward. The printing rubber B is projected from the through hole 20 to peel off the printing rubber B from the silicon plate 17 (FIGS. 11 and 12).

The adhesive member 30 that receives and holds the printing rubber B moves back below the work table 2 again according to the downward tilt, lateral movement, and return upward movement of the support base 28, and is moved to the second process section 2c. The adhering member 30 facing the rubber adhering surface A3 of the rootstock A (Fig. 2) moves forward and sticks the adhering surface B2 of the back side of the printing rubber B which is held by being pierced by the printing rubber holding needle 32. Adhesive surface A3 of tree A
It is pressed against and glued (Figs. 14, 15, 16).

At this time, the needle removing plate 33 inside the printing rubber holding needle 32 is advanced by pushing the receiving plate 33a of the air cylinder 34, and the printing rubber B is removed from the needle 32, and the adhesive surface B2 of the printing rubber B is attached to the base A. Since it is pressed and adhered to the sticking surface A3 of the
You will get out of 32. The heading printing surface A2 side of the rootstock A is held by a stopper 7c.

The rubber stamp C completed after finishing the first and second steps is again moved to the carry-out section 2d by the lifter 37 for moving and pressing (fourth step).
(Fig.), And is transferred to the accommodation table 8 by the unloading member 9 (3rd,
(See FIG. 5), the standing member 10 at the end of the accommodation table 8 is raised by turning 90 degrees. Immediately before the standing member 10 returns, the lateral support member
The pin 11a of 11 is projected to support the rubber stamp C (3rd
Figure). The pin 11a is pulled in immediately before the rising member 10 raises the rubber stamp C. Further, since the rubber stamp C does not fall over, the sliding support member 8a is placed on the other end of the accommodation table 8 (FIGS. 4 and 5).

The above operation is synchronized with the heading printing by the printing rubber B,
The rubber stamp C is continuously and automatically manufactured by adhering the printing rubber B to the other side of the base A, and the completed rubber stamp C is raised on the accommodation table 8 and accommodated.

<Effects of the Invention> As described above, according to the present invention, it is possible to efficiently manufacture the rubber stamp because the printing of the print rubber on one surface of the rootstock is printed and the printing rubber is attached to the other surface. Produce an effect. Further, the uniform pressing by the machine brings about an effect that the heading print is clear, and printing unevenness and unclear portion do not occur. Further, there is an effect that the positional alignment does not occur in the heading printing and the sticking of the printing rubber on the rootstock due to the mechanical alignment.

[Brief description of drawings]

FIG. 1 is a front view showing an apparatus of an embodiment of the present invention, FIG. 2 is the same, an enlarged left side view of an essential part, FIG. 3 is the same plan view, and FIG. FIG. 5 is a front view showing a state of being transferred, FIG. 5 is the same as the front view after the transfer, FIG. 6 is an operation example of the pinching member, and FIG. FIG. 8 is a plan view showing the members and the side-by-side alignment member, FIG. 8 is a side view showing a state in which the heading printing member picks up the printing rubber on the rotation supply unit, and FIG. 9 is the printing rubber coated with printing ink. FIG. 10 is a side view showing a state in which a heading is printed on a heading printing surface of the rootstock, FIG. 10 is a side view showing an operation example of a member for adhering a printing rubber to a support base, and FIG. 11 is a side view showing a delivery state of the printing rubber. FIG. 12 is a side view showing a state in which the push plate is projected and the printing rubber is peeled off from the silicon plate. FIG. 13 is the same as the cam temporary stop member. Enlarged plan view showing an action, 14th
The figure shows a side view showing the state in which the printing rubber is adhered to the rootstock,
FIG. 15 is the same enlarged plan view, FIG. 16 is a plan view showing the advanced state of the needle removing plate, FIG. 17 is a perspective view of a rubber stamp, 1 is a machine body, 2 is a belt-shaped workbench, 3 is a stock supply section, 4 is a feeding member, 5 is a stopper with a gauge, 6a, 6b and 7a, 7b are pinching and holding members,
8 is a storage stand, 9 is a carrying member, 10 is a standing member, 11 is a supporting member, 12 is a base, 13 is an air cylinder, 14 is an arm, 15
Is a member for printing headings, 16 is a hook plate, 17 is a silicon plate, 18
Is a push plate, 18a is a cam, 19 is a temporary holding device for the cam, 20 is a through hole, 21 is a rotation supply unit, 22 is a mounting unit, 23 is an air cylinder, 24 is a vertical alignment member, 25 is a horizontal alignment member, 26 is a rotating roller, 27 is a horizontal axis, 28 is a support base, 29 is an air cylinder, 30
Is a member for adhering the printing rubber, 31 is a standing wall, 32 is a holding needle for the printing rubber, 33 is a needle removing plate, 34 is an air cylinder, 35 is a vacuum suction plate, 36a and 36b are rootstock holding members, and 37 is a moving member. Lifter for dual presser, 38 is air cylinder, 39 is push roller, A
Is a rootstock, B is a printing rubber, and C is a completed rubber stamp.

Claims (2)

[Claims] 1. When one stop of a base continuously supplied onto a belt-shaped workbench is stopped, a printing rubber is picked up from one side of the base by a rotation supply unit, and the printing surface of the rubber is sandwiched and pressed with an ink applying step. An automatic continuous manufacturing method of a rubber stamp, which is characterized in that a heading is printed by applying the heading, and the same printing rubber that has been heading-printed is adhered to the back surface of the other side of the rootstock when the basestock is next stopped. 2. A printing rubber rotation supply unit and a printing rubber picked up from the supply unit on one side of a belt-shaped work table for continuously supplying a rootstock, and a printing surface of the rubber is equipped with an ink application roller to perform the above-mentioned work. A headline printing member that reciprocates in the platform direction is provided, and a printing rubber receiving mechanism that reciprocates in the worktable direction is provided on the other side of the worktable, and a means for adhering the print rubber on the backrest and adhering it. An automatic continuous manufacturing apparatus for rubber stamps, which is provided with a member for adhering a printing rubber.