JP7446525B2 - Absorbent manufacturing equipment - Google Patents

Description

The present invention relates to an apparatus for manufacturing an absorbent body for absorbent articles such as disposable diapers, and the present invention relates to a pattern plate for stacking absorbent material, and a pattern plate for stacking absorbent material, and a rotating drum that rotates by arranging this pattern plate on the outer peripheral surface. It also relates to technology for securely attaching and detaching.

Disposable diapers, sanitary napkins, and the like are used as examples of absorbent articles that absorb excretory fluids such as urine and menstrual blood. These absorbent articles are made by molding liquid absorbent materials such as pulp fibers and granular superabsorbent polymers (hereinafter also referred to as SAP) into single sheets as members for absorbing excretory liquid. It has a body.

The above-mentioned absorbent body is produced by, for example, a manufacturing apparatus as disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 2014-100440). Here, a schematic configuration of the manufacturing apparatus will be described with reference to FIG. 9. The manufacturing device 11 has a rotating drum 12. On the outer circumferential surface 12D of the rotating drum 12, a plurality of pattern plates 21, which will be described later, are arranged in parallel in the circumferential direction D so that an absorbent body P is formed.

Inside the rotating drum 12, a negative pressure section 12a, a positive pressure section 12b, and a no-pressure section are defined by partition walls that do not follow the rotation of the rotating drum 12 but are fixed, and the axis of the rotating drum 12 is set at a predetermined angle. 12c, and is further provided with an intake/exhaust mechanism (not shown) that takes in air in the negative pressure section 12a and exhausts air in the positive pressure section 12b.

Furthermore, a dispersion duct 13 is provided at a predetermined position in the circumferential direction D of the rotating drum 12 so as to face the negative pressure section 12a within the rotating drum 12. This dispersion duct 13 is for dispersing a powdered absorbent material Z mixed with pulp fibers, SAP, etc. toward the outer circumferential surface 12D of the rotating rotating drum 12 located in the negative pressure section 12a.

When passing through the area of the position of the spreading duct 13 (negative pressure section 12a) in the circumferential direction D of the rotating drum 12, the pattern plate 21 is The absorbent material Z is deposited on the holes 21a by suction.

Then, when passing through the region of the positive pressure section 12b on the downstream side in the circumferential direction D of the negative pressure section 12a of the rotating drum 12, the absorbent material Z that has been sucked and volumized is peeled off from the outer peripheral surface 12D due to exhaust gas, The cut-shaped absorbent body P is further conveyed to a downstream process.

10 and 11 show the relationship between the rotating drum 12 and the pattern plate 21 provided on the circumferential surface of the rotating drum 12. FIG. 10 is a schematic perspective view of the rotating drum 12 with a part of the pattern plate 21 removed, and FIG. 11 is an exploded perspective view showing the structure of the pattern plate 21.

The pattern plate 21 has an arc shape corresponding to the curvature of the outer circumferential surface 12D of the rotating drum 12 in terms of the number of divisions, and includes a surface plate 21A in which a plurality of holes 21a are formed, and the surface plate 21A (in the rotating drum 12). Bars B1 and B2 are fixed in contact with the inner circumferential surface of the surface plate 21A for lining and reinforcement from the inner circumferential surface, and the reinforcing plate 21B is assembled in a frame lattice shape and partially covers the surface plate 21A. It has a guide plate 21C that exposes the hole 21a of the surface plate 21A within the intended shape range of the absorber P in plan view.

In a general manufacturing apparatus 11 including Patent Document 1, an absorbent material Z is sprayed onto a pattern plate 21 from a dispersion duct 13 and deposited in a hole 21a portion exposed from a guide plate 21C, thereby forming an absorbent material P. This absorbent body P is peeled off from the rotating drum 12 in the positive pressure section 12b.

As the above manufacturing process is repeated, the holes 21a of the surface plate 21A become clogged because the absorbent material Z cannot be removed from the holes 21a even by the negative pressure in the negative pressure section 12a and the positive pressure in the positive pressure section 12b. Therefore, the pattern plate 21 is periodically removed from the rotating drum 12 and high-pressure water is sprayed onto the pattern plate 21 to eliminate clogging.

In addition, in the above-mentioned manufacturing apparatus 11, it is possible to attach (replace) pattern plates 21 with different sizes and exposed shapes of holes 21a by the absorber P, and even when replacing the pattern plates 21, the pattern plates 21 can be attached (replaced). Plate 21 must be removed from rotating drum 12.

Conventionally, removing and attaching the pattern plate 21 to the rotating drum 12 has been carried out in a narrow space on the circumference of the rotating drum 12, where working movements are extremely restricted, and this has been very time-consuming. . Further, as for attaching the pattern plate 21 to the rotating drum 12, it is difficult to perform the work reliably because the work is carried out in a limited space as described above.

Therefore, Patent Document 2 (Patent Registration No. 5765909) discloses that the pattern plate 21 can be easily removed from the rotating drum 12 in a limited working space, and the pattern plate 21 can be relatively easily attached to the rotating drum 12. A configuration is proposed.

That is, Patent Document 2 includes a drum body, a plurality of pattern plates, and a plurality of holding mechanisms that removably hold the pattern plates on the outer peripheral surface of the drum body, and each holding mechanism is attached to one side of the drum body. A fixed hook that is immovably attached and that forms a fixed side holding groove between the outer peripheral surface of the drum body and a fixed hook that is movable between a holding position and a release position on the other side of the drum body. A movable hook attached thereto, which forms a movable-side holding groove with the outer peripheral surface of the drum body when in the holding position and opens the movable-side holding groove when in the release position. When the movable hook is in the holding position, both sides of the pattern plate are received in the fixed side holding groove and the movable side holding groove, respectively, so that the pattern plate is held on the drum body.

However, in the structure of Patent Document 2, the movable hook in the holding mechanism forms a holding groove when it is in the holding position, but opens the holding groove when it is in the release position. Since the movable hook is configured to rotate by a hinge between the surface and the end surface of the rotary drum shaft, there is a possibility that the movable hook may loosen in the direction of opening the holding groove due to centrifugal force caused by high-speed rotation of the rotary drum.

Furthermore, in the configuration of Patent Document 2, the pattern plate is fixed only by the holding groove formed by the fixed hook and the movable hook, so there is a possibility that the pattern plate may move in the circumferential direction within the holding groove. . Also, although the pattern plates are lined up on the circumferential surface with almost no gaps, there is some clearance, so if they are used repeatedly and shift in the circumferential direction as described above, they may move to a position where they are no longer held by the holding mechanism. There is also a risk that it may get lost.

Japanese Patent Application Publication No. 2014-100440 Patent Registration No. 5765909

The present invention addresses the possibility that the pattern plate may move in the radial direction and circumferential direction of the rotating drum during the installation process when the pattern plate is removed from the rotating drum for cleaning or replacement. Take it as a challenge.

In order to solve the above problems, the present invention includes a pattern plate for stacking absorbent material into a predetermined shape, and a rotating drum that rotates with the pattern plate disposed on the outer peripheral surface. The pattern plate is provided with an engaging portion on the outer peripheral edge of one shaft end surface so that the pattern plate engages in the radial direction of the rotating drum, and the pattern plate is inserted into the outer peripheral edge of the other shaft end surface from the axial direction. A retaining groove is provided, and a circumferential movement restraining portion for restraining movement of the pattern plate in the circumferential direction is provided in a part of the engaging portion, while a circumferential movement restraining portion is provided in the pattern plate on one shaft end surface of the rotating drum. A corresponding one edge in the width direction is formed so as to protrude in the same direction as the engaging part, and to cover the front and back surfaces of the engaging part and one side in the protruding direction in cross-sectional view. A radial restraint body that engages with the engaging part is provided, and an insertion part that is inserted into the holding groove is provided on the other edge, and the radial restraint body is further provided with a circumferential restraint body that corresponds to the circumferential movement restraint part. The structure is such that a body is provided.

According to the present invention, when the pattern plate is attached to the rotating drum, the circumferential surface is slid in the axial direction from one side to the other in the width direction of the circumferential surface of the rotating drum, and the grooves of the pattern plate and the rotating drum are connected to each other. Through a series of operations of engaging the pattern plate with the engaging portion and matching the restraining body of the putter plate with the circumferential movement restraining portion of the rotating drum, movement of the pattern plate in the radial outward direction and circumferential direction of the rotating drum is prohibited, Installation can be done reliably and easily.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the schematic structure of the absorber manufacturing apparatus of this invention. FIG. 2 is a perspective view showing a schematic configuration of a rotating drum and a pattern plate in the absorbent body manufacturing apparatus of the present invention. FIG. 3 is a perspective view showing a schematic configuration of a rotating drum in FIG. 2. FIG. FIG. 3 is a perspective view showing a schematic configuration of a pattern plate in FIG. 2; 5 is an exploded perspective view of the pattern plate of FIG. 4. FIG. A first embodiment of the rotary drum and pattern plate in the absorbent manufacturing apparatus of the present invention is shown, in which (a) is a view seen from the axial direction, and (b) is a sectional view taken along the line AA in (a). . A second embodiment of the rotary drum and pattern plate in the absorbent manufacturing apparatus of the present invention is shown, in which (a) is a view seen from the axial direction, and (b) is a sectional view taken along the line BB in (a). . A third embodiment of the rotating drum and pattern plate in the absorbent manufacturing apparatus of the present invention is shown, in which (a) is a view seen from the axial direction, and (b) is a cross-sectional view taken along line CC in (a). 1 is a diagram showing a schematic configuration of a conventional manufacturing device. It is a figure which shows the relationship between the conventional rotating drum and the conventional pattern plate. FIG. 2 is a diagram showing a schematic configuration of a conventional pattern plate.

In order to attach the pattern plate to the rotating drum so that the pattern plate does not move in the radial direction and the circumferential direction, the pattern plate is attached to the outer peripheral edge of one shaft end face of the rotating drum. An engaging portion that engages in the axial direction is provided, and a retaining groove into which the pattern plate is inserted from the axial direction is provided at the outer peripheral edge of the other shaft end surface, and a portion of the engaging portion is provided with a retaining groove that engages with the pattern plate in the axial direction. A circumferential movement restraining part for restraining movement in the direction is provided, and the pattern plate is provided with one edge in the width direction corresponding to one axial end surface of the rotating drum , and the one edge is connected to the engaging part. A radial restraint body that protrudes in the same direction and engages with the engaging part is formed to cover the front and back surfaces of the engaging part and one side in the protruding direction in cross-sectional view, and the other edge is provided with a radial restraint body that engages the engaging part. An insertion portion inserted into the holding groove is provided, and the radial restraint body is further provided with a circumferential restraint body corresponding to the circumferential movement restraint portion.

The present invention is characterized in that both the pattern plate and the rotating drum are configured to correspond to each other. That is, in the absorbent manufacturing apparatus of the present invention, the radial restraining body of the pattern plate corresponds to the engaging part of the rotating drum, and the circumferential restraining body of the pattern plate corresponds to the circumferential movement restraining part of the rotating drum. Each is provided. By doing so, movement in the radial direction and circumferential direction when the pattern plate is attached to the rotating drum can be prohibited.

Further, in the above configuration, the present invention provides a configuration in which the circumferential movement restraint part of the rotary drum is provided on one shaft end surface of the rotary drum, and the maintenance of the restraint and the release of the restraint are provided on an operating body to be operated. You can also use it as By doing so, it is possible to prohibit and release the movement of the pattern plate relative to the rotating drum at a relatively easy-to-operate location, which is the end face of the shaft of the rotating drum.

Furthermore, in the present invention, in the above structure, an operating body moving part for guiding movement of the operating body in the circumferential direction may be provided on one shaft end surface of the rotating drum. By doing so, it becomes possible to correspond to an increase or decrease depending on the circumferential size of the pattern plate.

An embodiment of the present invention will be described with reference to FIGS. 1 to 8. The absorbent body manufacturing apparatus 1 of the present invention is characterized by the configuration of the rotating drum 2 and the pattern plate 3. The description of the overall schematic configuration of the manufacturing apparatus 1 will be continued. On the outer peripheral surface 2X of the rotating drum 2, a plurality of pattern plates 3 are arranged in parallel in the circumferential direction D so that an absorbent body P is formed.

Inside the rotating drum 2, a negative pressure section 2a, a positive pressure section 2b, and a non-pressure section are provided by partition walls that do not follow the rotation of the rotating drum 2 but are fixed and are provided at a predetermined angle around the axis of the rotating drum 2. A pressure section 2c is formed, and an intake/exhaust mechanism (not shown) is provided that takes in air in the negative pressure section 2a and exhausts air in the positive pressure section 2b.

Furthermore, a dispersion duct 4 is provided at a predetermined position in the circumferential direction D of the rotating drum 2, facing the negative pressure section 2a within the rotating drum 2. This dispersion duct 4 is for dispersing a powdered absorbent material Z mixed with pulp fibers, SAP, etc. toward the outer circumferential surface 2X of the rotating rotating drum 2 located in the negative pressure section 2a.

When passing through the region of the position of the spreading duct 4 (negative pressure section 2a) in the circumferential direction D of the rotating drum 2, the pattern plate 3 is The absorbent material Z is deposited on the holes 3a by suction.

Then, when passing through the region of the positive pressure section 2b on the downstream side in the circumferential direction D of the negative pressure section 2a of the rotating drum 2, the absorbent material Z that has been sucked and volumized is peeled off from the outer peripheral surface 2X due to the exhaust, The cut-shaped absorbent body P is further conveyed to a downstream process.

The rotating drum 2 in the manufacturing apparatus 1 of the present invention has the following configuration. An engaging portion 2A protruding from the shaft end surface is provided at the outer peripheral edge of one shaft end surface in the width direction (axial direction) on the outer peripheral surface 2X of the rotating drum 2. This engaging portion 2A engages with a groove portion 3A, which will be described later, of the pattern plate 3 to prevent the rotary drum 2 from moving in the radial direction due to rotation during use.

Further, the rotary drum 2 is provided with a holding groove 2B, into which the pattern plate 3 is inserted from the one shaft end surface in the axial direction, at the outer peripheral edge of the other shaft end surface in the width direction (axial direction) on the outer peripheral surface 2X. ing. Further, the rotating drum 2 is provided with a circumferential movement restraining portion 2C that restrains movement of the pattern plate 3 in the circumferential direction. This circumferential movement restraining portion 2C is provided on the rotating drum 2, but since the configuration differs between the first to third embodiments, a description will be given for each embodiment.

The pattern plate 3 has an arc shape corresponding to the curvature of the outer circumferential surface 2X of the rotating drum 2 in terms of the number of divisions, and includes a surface plate 3A in which a plurality of holes 3a are formed, and the surface plate 3A (in the rotating drum 2). A reinforcing plate 3B is provided on the inner circumferential surface of the surface plate 3A to provide lining and reinforcement from the inner circumferential surface, and a reinforcing plate 3B is provided on the inner circumferential surface of the surface plate 3A to partially cover the surface plate 3A to cover the surface plate 3A within the planar view shape range of the target absorber P. It has a guide plate 3C that exposes the hole 3a. Note that in this example, illustration of the reinforcing structure of the reinforcing plate 3B is omitted.

Furthermore, the pattern plate 3 in the manufacturing apparatus 1 of the present invention has a radial restraint body that engages with the engaging portion 2A at one edge in the width direction corresponding to one axial end surface of the rotating drum 2 in the reinforcing plate 3B. 3Ba is provided.

In this embodiment, the radial restraint body 3Ba has one edge of the reinforcing plate 3B protruding in the same direction as the engaging part 2A, and is folded back to the side opposite to the guide plate 3C, so that the radial restraint body 3Ba has the shape of the engaging part 2A in cross-sectional view. It is formed so as to cover the front and back surfaces and one side in the protruding direction sandwiched between the front and back surfaces. Further, in the pattern plate 3, an insertion portion 3Bb that is inserted into the holding groove 2B is provided at the other edge in the width direction corresponding to the other shaft end surface of the rotating drum 2 in the reinforcing plate 3B.

That is, in the rotating drum 2 and pattern plate 3 in the manufacturing apparatus 1 of the present invention, at one end surface of the rotating drum 2 in the axial direction, the engaging portion 2A of the rotating drum 2 is located on the back side of the reinforcing plate 3B. , is inserted into the radial restraint body 3Ba of the pattern plate 3, and on the other axial end surface of the rotating drum 2, the insertion portion 3Bb of the pattern plate 3 is inserted into the radial restraint body 3Ba of the rotating drum 2 on the surface side of the reinforcing plate 3B. It is inserted into the holding groove 2B and is configured to restrict movement of the pattern plate 3 in the radial direction.

With this configuration, the pattern plate 3 can be installed by simply sliding the outer circumferential surface 2X from one side of the rotary drum 2 in the axial direction to the other side, and movement in the radial direction is prohibited, unlike in the conventional case. There is no need to make a retaining groove appear or open on the rotating drum side in order to prohibit the movement in the radial direction.

Further, in the pattern plate 3, a circumferential restraint body 3Bc is provided in a part of the radial restraint body 3Ba on the reinforcing plate 3B. Since the configuration of the circumferential restraint body 3Bc differs between the first to third embodiments, it will be explained for each embodiment.

Further, in this embodiment, an operating body 2D for maintaining the restraint of the circumferential movement restraining portion 2C and releasing it at high speed is provided on one end surface of the rotary drum 2 in the axial direction. An operating body moving section 2E is provided to guide the movement in the direction.

The above is the basic configuration of the manufacturing apparatus 1 in this embodiment described with reference to FIGS. 1 to 5. Hereinafter, the first embodiment will be explained with reference to FIG. The aspects of the embodiment and the aspects of the third embodiment will be described with reference to FIG. 8. Note that in each embodiment, explanations of basic constituent parts will be omitted.

(First example)
The first embodiment shown in FIG. 6 has the following configuration. The configuration of the rotating drum 2 shown in FIGS. 2 and 3 is a schematic representation of the first embodiment shown in FIG. 6. The circumferential movement restraint section 2C of the rotating drum 2 in the first embodiment is movable in the circumferential direction with respect to the operating body moving section 2E, which is an annular rail provided on the outer periphery of one shaft end surface of the rotating drum 2. It is arranged integrally with the provided operating body 2D.

In the first embodiment, the rotating drum 2 and pattern plate 3 are constructed as follows. The circumferential restraint body 3Bc of the pattern plate 3 corresponds to a recess 13Ba formed on the back surface and folded side surface of the reinforcing plate 3B of the radial restraint body 3Ba.

The circumferential movement restraint part 2C on the rotary drum 2 side corresponding to the recessed part 13Ba (circumferential restraint body) is formed with a slope that slopes downward toward one side in the axial direction of the rotary drum 2, and the other side in the axial direction. This corresponds to the ratchet pawl 12Ca having a wall surface perpendicular to the apex of the slope on the side.

In the ratchet pawl 12Ca (circumferential movement restraint part) of the first embodiment, a base end on the other side in the axial direction of the rotary drum 2 is rotatably supported on a base 12Cb serving as the operating body 2D. A portion extending from the base 12Cb toward one side in the axial direction of the rotary drum 2 is supported by, for example, a coil spring 2Cc which is in an extended state at its natural length and is disposed on the base 12Cb.

The pattern plate 3 in the first embodiment is attached as follows. The pattern plate 3 is slid toward the other side in the axial direction of the rotating drum 2 while pushing down the ratchet pawl 12Ca against the biasing force of the coil spring 2Cc.

When the slide continues, the radial restraint body 3Ba gets over the top of the slope of the ratchet pawl 12Ca, the insertion part 3Bb fits into the holding groove 2B, the radial restraint body 3Ba fits into the engagement part 2A, and the radial restraint body 3Ba fits in the radial direction. It becomes engaged.

At this time, the coil spring 12Cc is restored to its natural length as the radial restraint body 3Ba climbs over the slope of the ratchet pawl 12Ca, and the orthogonal wall surface of the ratchet pawl 12Ca fits into the recess 13Ba (circumferential restraint body) to circumferentially It becomes engaged in the direction.

The pattern plate 3 in the first embodiment is taken out as follows. By simply pulling out the pattern plate 3 from the other axial side of the rotary drum 2 to one side while pushing down the ratchet pawl 12Ca, the restriction on movement in the radial direction and the circumferential direction is released and the pattern plate 3 is taken out.

(Second example)
The second embodiment shown in FIG. 7 has the following configuration. The circumferential movement restraint section 2C of the rotating drum 2 in the second embodiment is movable in the circumferential direction relative to the operating body moving section 2E, which is an annular rail provided on the outer periphery of one shaft end surface of the rotating drum 2. It is arranged integrally with the provided operating body 2D.

In the second embodiment, the rotating drum 2 and pattern plate 3 are constructed as follows. The circumferential restraint body 3Bc of the pattern plate 3 corresponds to the contact portion 23Ba formed on the back surface of the reinforcing plate 3B of the radial restraint body 3Ba.

A circumferential movement restraint part 2C on the rotary drum 2 side corresponding to the contact part 23Ba (circumferential restraint body) is supported by a lever 22Cc, which will be described later, on one end surface of the rotary drum 2 in the axial direction. This corresponds to the pressing body 22Ca, which is provided so as to be able to come into contact with and separate from it.

The pressing body 22Ca (circumferential movement restraint part) of the second embodiment is inserted into a guide groove in a guide grooved base 22Cb which becomes the operating body 2D, and the guiding grooved base 22Cb is sandwiched between the pressing body 22Ca and the pressing body 22Ca. The lever 22Cc is configured to be screwed onto a rotation shaft screw of the lever 22Cc that maintains the position within the guide groove.

The pattern plate 3 in the second embodiment is attached as follows. Rotate the lever 22Cc to loosen the grip between the guide grooved base 22Cb between the lever 22Cc and the pressing body 22Ca, and while the pressing body 22Ca is separated from the abutting portion 23Ba, the pattern plate 3 is placed on the axis of the rotating drum 2. Slide it to the other side.

When the slide continues, the insertion portion 3Bb fits into the holding groove 2B, and the radial restraint body 3Ba fits into the engagement portion 2A, so that they are engaged in the radial direction.

Thereafter, in order to bring the pressing body 22Ca into contact with the contact portion 23Ba and press it in the radially outward direction, the lever 22Cc is moved to a predetermined position in the radially outward direction within the guide groove of the guide grooved base 22Cb. The lever 22Cc is rotated to strongly sandwich the guide grooved base 22Cb between the lever 22Cc and the pressing body 22Ca. The movement of the pattern plate 3 in the circumferential direction is restrained by the pressing of the contact portion 23Ba by the pressing body 22Ca.

The pattern plate 3 in the second embodiment is taken out as follows. As described above, the lever 22Cc is rotated to loosen the guide grooved base 22Cb between the lever 22Cc and the pressing body 22Ca, and the pattern plate 3 is rotated while the pressing body 22Ca is separated from the contact portion 23Ba. By simply pulling out the drum 2 from the other side in the axial direction to one side, the restraints on movement in the radial and circumferential directions are released and the pattern plate 3 is taken out.

(Third example)
The third embodiment shown in FIG. 8 has the following configuration. The circumferential movement restraint section 2C of the rotating drum 2 in the third embodiment is movable in the circumferential direction with respect to the operating body moving section 2E, which is an annular rail provided on the outer periphery of one shaft end surface of the rotating drum 2. It is arranged integrally with the provided operating body 2D.

In the third embodiment, the rotating drum 2 and pattern plate 3 are constructed as follows. The circumferential restraint body 3Bc of the pattern plate 3 corresponds to the through hole 33Ba formed on the back surface of the reinforcing plate 3B of the radial restraint body 3Ba.

A circumferential movement restraint part 2C on the rotary drum 2 side corresponding to the through hole 33Ba (circumferential restraint body) is formed in the engaging part 2A, and is a restraint that communicates with the through hole 33Ba when the pattern plate 3 is attached. a hole 32Ca, a movable body 32Cb provided on one axial end surface of the rotating drum 2, supported by a lever 32Ce to be described later, and capable of contacting and separating from the through hole 33Ba; and a radially outward direction of the movable body 32Cb. This corresponds to the penetrating pin 32Cc provided on the end surface.

The movable body 32Cb provided with the through pin 32Cc (circumferential movement restraint part) of the third embodiment is inserted into the guide groove of the guide grooved base 32Cd which becomes the operating body 2D, and moves on the guide grooved base 32Cd. It is configured to be screwed onto a rotation shaft screw of a lever 32Ce which is held between the body 32Cb and maintained in the position within the guide groove.

The pattern plate 3 in the third embodiment is attached as follows. Rotate the lever 32Ce to loosen the guide grooved base 32Cd between the lever 32Ce and the movable body 32Cb, and move the movable body 32Cb until the through pin 32Cc comes out from the through hole 33Ba and the restraint hole 32Ca. Slide the plate 3 to the other side of the rotating drum 2 in the axial direction.

When the slide continues, the insertion portion 3Bb fits into the holding groove 2B, and the radial restraint body 3Ba fits into the engagement portion 2A, so that they are engaged in the radial direction.

After that, move the lever 32Ce to a predetermined position in the radial direction within the guide groove of the guide grooved base 32Cd, confirm that the through pin 32Cc has been inserted into the through hole 33Ba and the restraining hole 32Ca, and then move the lever 32Ce. The lever 32Ce and the base 32Cd with guide grooves are strongly sandwiched between the lever 32Ce and the movable body 32Cb. By penetrating the through pin 32Cc into the through hole 33Ba and the restraint hole 32Ca, movement of the pattern plate 3 in the circumferential direction is restrained.

The pattern plate 3 in the third embodiment is taken out as follows. As described above, the lever 32Ce was rotated to loosen the guide grooved base 32Cd between the lever 32Ce and the movable body 32Cb, and the movable body 32Cb was moved until the through pin 32Cc was removed from the through hole 33Ba and the restraining hole 32Ca. In this state, simply by pulling out the pattern plate 3 from the other axial side of the rotary drum 2 to one side, the restriction on movement in the radial direction and the circumferential direction is released and the pattern plate 3 is taken out.

As described above, the manufacturing apparatus 1 of the present invention is capable of restraining not only the movement of the pattern plate 3 in the radial direction relative to the rotating drum 2, but also the movement of the pattern plate 3 in the circumferential direction. The movement of the pattern plate 3 can be restrained during the series of operations for attaching the pattern plate 3 to the rotating drum 2.

1 (Absorbent body) manufacturing device 2 Rotating drum 2A Engagement part 2B Holding groove 2C Circumferential movement restraining part 2D Operating body 2E Operating body moving part 3 Pattern plate 3A Surface plate 3B Reinforcement plate 3Ba Radial restraint body 3Bb Insertion part 3Bc Circumferential direction Restraint body 3C guide plate

Claims (3)

An apparatus for manufacturing an absorbent body from an absorbent material, comprising a pattern plate for stacking the absorbent material into a predetermined shape, and a rotating drum that rotates with the pattern plate disposed on its outer peripheral surface. The pattern plate is provided with an engaging portion on the outer circumferential edge of one shaft end surface so that the pattern plate engages in the radial direction of the rotating drum, and the pattern plate is inserted into the outer circumferential edge of the other shaft end surface from the axial direction. Further, a circumferential movement restraining part for restraining movement of the pattern plate in the circumferential direction is provided in a part of the engaging part, while the pattern plate has a retaining groove that restrains movement of the pattern plate in the circumferential direction. one edge in the width direction corresponding to the engagement part , the one edge protrudes in the same direction as the engaging part, and is formed so as to cover the front and back surfaces of the engaging part and one side in the protruding direction in cross-sectional view. A radial restraint body that engages with the engaging part is provided, and an insertion part that is inserted into the retaining groove is provided on the other edge, and the radial restraint body has a radial restraint body that engages with the engagement part, and a circumferential restraint body that engages with the circumferential movement restraint part. Absorbent manufacturing equipment equipped with a restraining body.
2. The absorbent body manufacturing apparatus according to claim 1, wherein the circumferential movement restraint part of the rotary drum is provided on one shaft end surface of the rotary drum, and an operating body is provided to maintain the restraint and release the restraint. 3. The absorbent body manufacturing apparatus according to claim 2, further comprising an operating body moving section provided on one shaft end surface of the rotating drum for guiding movement of the operating body in a circumferential direction.

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