JP5004902B2 - Hose protection guide device for printing machines - Google Patents

Abstract

The invention provides a protection guide arrangement for hose type, which can perform swimmingly reciprocal motion hose through needle toothed chain wheel; and has built-in hose type with few abrasion, few component number, simple structure, few manufacture labor hour and low fabricating cost. The subject is resolved by the following ways: linking a plurality of chain link frame bodies (110) in freely bending way in the length direction in a status with built-in hose type (H), the chain link frame body (110) is composed of a pair of chain-plates (112) configured separately at the left and right side, and linking plates (114,116) respectively crossing on the bending external circumstance side and bending internal circumstance side of the chain-plates (112), and a protuberance portion (118)meshed with the teeth of the needle toothed chain wheel is projectedly provided on at least one side of the chain-plates (112).

Description

  The present invention guides the moving trajectory of hoses that send water, compressed air, etc. between the moving end and the fixed end, and protects the hoses by preventing the hoses from being twisted or tangled and damaging. In particular, the present invention relates to a hose protection guide device for a printing machine used in a rotary screen printing machine.

  As a printing machine for performing partial dyeing, that is, printing, a rotary screen printing machine is currently mainstream. In printing using this rotary screen printing machine, it is necessary to clean the rotary screen every time the printed pattern is changed or the printing color scheme is changed.

Conventionally, in a typical rotary screen printing machine, when cleaning the rotary screen, it is necessary to remove the rotary screen from the printing machine, or after installation, to reattach the dried rotary screen to the printing machine. Every time the printing color scheme is changed, much effort and time are spent on cleaning the rotary screen.
For this reason, the productivity is greatly reduced, which is a serious problem particularly when printing small lots, multi-colors, and various varieties.
Also, when removing the rotary screen from the printing machine prior to cleaning, the removal work must be performed with the printing paste adhering to the rotary screen. This causes the printing paste to drip from the rotary screen and contaminate the work environment. It is also.

  As a rotary screen printing machine that solves these problems, the rotary screen, the cloth transfer endless belt, the printing table, etc. are inclined from the belt width direction, that is, from one end side in the length direction of the rotary screen. By installing the system in an inclined position toward the end, washing water is poured into the rotary screen from the higher end side, and the cleaning wastewater is drained from the lower end side according to the inclination of the rotary screen. An inclined rotary screen printing machine is known in which it is not necessary to remove the rotary screen to be cleaned from the printing machine by adopting a cleaning method of collecting by the above (for example, see Patent Document 1).

  In recent years, the rotary screen of inclined type rotary screen printing machines can be cleaned effectively, shortening the cleaning time, saving labor and improving the productivity of the printing machine. A washing water injector that reciprocates over the entire length of the rotary screen is disposed in the inner space of the rotary screen that is inclined to the side, and the nozzle of the washing water injector is connected to the rotary screen. What is directed to the inner wall surface is known (for example, refer to Patent Document 2).

In such an inclined rotary screen printing machine, since the washing water and compressed air for draining water are sent from the printing machine main body to the washing water ejector, as shown in FIGS. It is proposed to use a hose protection guide device 600 for a printing machine that protects the hoses H by preventing the hoses H from being twisted or entangled and damaging them.
Here, FIG. 8 is a side view showing an example of use of the hose protection guide device 600 for a printing machine, FIG. 9 is a cross-sectional view taken along line IX-IX in FIG. 8, and FIG. It is a rear view when seen from the arrow X direction.

  A conventional hose protection guide device 600 for a printing machine includes a pair of link plates 612 that are spaced apart from each other on the left and right sides, and a connecting plate 614 that is horizontally mounted on the bent outer peripheral side and the bent inner peripheral side of the pair of link plates 612. , 616, and a plurality of link frame bodies 610 connected in a longitudinally flexible manner in a state in which the hoses H are housed.

A stainless steel guide plate 620 that is wider than the connecting plate 616 is disposed along the connecting plate 616 on the bent inner peripheral side.
As shown in FIG. 9, the guide plate 620 is attached so as to be wider than the link frame 610 and protrude to one side in the width direction of the link frame 610, and the teeth of the pin gear sprocket S are attached to the protruding portion. As shown in FIG. 10, insertion holes 622 that engage with t are drilled at a pitch interval of the pin gear sprocket S in a straight line in the longitudinal direction of the guide plate 620.
Then, by engaging the tooth t of the pin gear type sprocket S with the insertion hole 622 and rotating the pin gear type sprocket S forward and backward, the printing machine hose protection guide device 600 can be moved forward and backward.
As a result, the washing water injector attached to one end of the hose protection guide device 600 for a printing machine can be reciprocated over the entire length in the length direction of the rotary screen.

In such a hose protection guide device 600 for a printing machine, the guide plate 620 is attached to the connecting plate 616 on the bent inner peripheral side with bolts 630. As shown in FIG. 8, the hose protection guide device for a printing machine. When 600 is bent, an inner and outer circumference difference is generated between the link frame 610 and the guide plate 620.
That is, the bending radius R of the link frame 610 is larger than the bending radius Rin of the guide plate 620.
For this reason, in order to absorb the difference between the inner and outer circumferences generated when bending, as shown in FIG. 10, the bolt 630 is inserted into the slit 624 opened in the longitudinal direction in the guide plate 620, and the bent inner peripheral side is inserted. By screwing the connecting plate 616, a slide mechanism is formed in which the link frame 610 and the guide plate 620 slide.
JP-A-8-276564 Japanese Patent Laid-Open No. 10-250044

  However, in the conventional hose protection guide device 600 for a printing machine as described above, the link frame 610 draws a polygonal track when bent, whereas the guide plate 620 draws a curved track. Therefore, despite having a slide mechanism, the link frame 610 and the guide plate 620 do not slide smoothly, and a large force exceeding an allowable value is applied to the link frame 610. In the worst case, a printing machine There was a problem that the hose protection guide device 600 for use was damaged.

  Further, the conventional hose protection guide device 600 for a printing machine includes a bending radius Rin of the guide plate 620 at the time of bending and a bending radius of the hose H incorporated in the hose protection guide device 600 for a printing machine (almost, a link frame). 610 is equal to the bending radius R), the hose H rubs against the inner peripheral surface of the link frame 610 when the hose protection guide device 600 for a printing machine is repeatedly advanced and retreated. There was a problem that class H was worn.

  Further, the conventional hose protection guide device 600 for a printing machine requires many parts such as a link frame 610, a guide plate 620, and a bolt 630, and further requires a lot of holes in the guide plate 620. However, there is a problem that the manufacturing cost is high because the manufacturing process is complicated and requires a large number of manufacturing steps.

  Therefore, the technical problem to be solved by the present invention, that is, the object of the present invention, is to smoothly reciprocate on a linear traveling reciprocating track by a pin gear type sprocket, and to provide an internal hose which tends to occur at the time of bending. It is an object of the present invention to provide a hose protection guide device for a printing machine that has little wear, has a small number of parts, has a simple structure, has a small number of manufacturing steps, and has a low manufacturing cost.

  A further object of the present invention is to provide a hose protection guide device for a printing machine that reduces the maintenance work burden of the rotary screen printing machine and increases the stability of the washing water jetting device during travel.

  First, according to the first aspect of the present invention, a washing water injector that performs a reciprocating motion over the entire length in the length direction of the rotary screen is disposed in the inner space of the rotary screen that is inclined downward from one end side to the other end side. And a hose protection guide device for a printing machine for protecting and guiding hoses for sending cleaning water and compressed air to a cleaning water jet of a rotary screen printing machine in which the nozzle of the cleaning water jet is directed to the inner wall surface of the rotary screen. A plurality of link frame bodies that are connected in a flexible manner in the longitudinal direction with the hoses provided in an interior are respectively connected to a pair of link plates that are spaced apart from each other on the left and right sides of the link plate and a bent outer peripheral side and a bent inner peripheral side of the link plate. A pin gear type screw that is coaxial with a connecting pin for connecting the link frame body and outside at least one of the link plates. Cylindrical projections meshing on running reciprocating trajectory of the teeth and straight rocket, by being projected the link plate and integrally molded, is obtained by solving the problems described above.

  The invention according to claim 2 is the hose protection guide device for a printing machine according to claim 1, wherein a pair of left and right guide walls extends from the pair of link plates on the bent inner peripheral side of the link frame. In addition, the above-described problems are further solved by forming the inner end portions of the pair of left and right guide walls facing each other in a tapered shape.

  In addition, the invention according to claim 3 is the above-described problem in the hose protection guide device for a printing machine according to claim 1 or 2, wherein the link frame is integrally formed of a synthetic resin. Is a further solution.

  According to the hose protection guide device for a printing machine according to the first aspect of the present invention, the reciprocating motion is carried out over the entire length in the length direction of the rotary screen in the inner space of the rotary screen that is inclined downward from one end side to the other end side. By arranging a washing water injector and protecting and guiding hoses for sending washing water and compressed air to the washing water injector of the rotary screen printing machine in which the nozzle of the washing water injector is directed to the inner wall surface of the rotary screen In addition to improving the running stability of the washing water injector and suppressing the wear of hoses that tend to occur during the reciprocating movement of the washing water injector, the reliability of the rotary screen printing machine is improved and the maintenance work load is reduced. Can be realized.

  Then, a large number of link frame bodies connected in a flexible manner in the longitudinal direction with the hoses installed therein are a pair of link plates spaced apart from each other on the left and right sides, and the bent outer peripheral side and the bent inner peripheral side of these link plates, respectively. By comprising the connecting plate horizontally mounted, smooth reciprocating motion by forward / reverse rotation of the pin gear type sprocket can be realized with an extremely simple configuration with a small number of parts and a small number of manufacturing steps. As a result, a significant reduction in manufacturing cost can be realized.

  Furthermore, a cylindrical projection that is coaxial with the connecting pin for connecting the link frame and is engaged with at least one outer side of the link plate on the linear reciprocating track with the teeth of the pin gear type sprocket is formed integrally with the link plate. Therefore, the bending radius of the printing machine hose protection guide device when bent is almost equal to the bending radius of the hose protection guide device installed in the printing machine hose protection guide device. Since wear of the hoses that tend to occur when the guide device is bent and repeated forward and backward is suppressed, the life of the hoses can be extended and the burden of maintenance work can be reduced.

  According to the hose protection guide device for a printing machine according to claim 2, in addition to the effect produced by the hose protection guide device for a printing machine according to claim 1, the hose protection guide device according to claim 1 A pair of guide walls are extended from the pair of link plates, and the opposite inner ends of the pair of left and right guide walls are formed in a tapered shape, so that a hose protection guide device for a printing machine can be provided. Since the moving trajectory can be guided by engaging with a guide roller or a guide rail having a tapered cross section, the stability of the printing machine hose protection guide device during running can be improved.

  In addition, according to the hose protection guide device for a printing machine according to claim 3, in addition to the effect exhibited by the hose protection guide device for a printing machine according to claim 1 or 2, the link frame is synthesized. By being integrally formed of resin, it is possible to reduce the number of parts, reduce the number of manufacturing steps, and reduce the burden of assembly work, thereby realizing a significant reduction in manufacturing cost.

  According to the present invention, a washing water injector that reciprocates over the entire length of the rotary screen in the length direction of the rotary screen is disposed in the inner space of the rotary screen that is inclined low from one end side to the other end side. In a hose protection guide device for a printing machine that protects and guides hoses that send cleaning water and compressed air to a cleaning water jet of a rotary screen printing machine with the nozzle directed to the inner wall of the rotary screen A plurality of link frame bodies that are flexibly connected in the longitudinal direction are formed by a pair of link plates that are spaced apart from each other on the left and right sides, and connecting plates that are horizontally mounted on the bent outer peripheral side and the bent inner peripheral side of these link plates. It is configured to run linearly with the teeth of the pin gear sprocket on the outer side of at least one of the link plates coaxially with the connecting pin for connecting the link frame. Cylindrical protrusions that mesh with the reciprocating track are formed integrally with the link plate, and a pin gear sprocket realizes a smooth reciprocating motion on the linear traveling reciprocating track. As long as it realizes the prevention of wear, reduction of the number of parts, simplification of configuration, reduction of manufacturing man-hours, and reduction of manufacturing cost, any specific embodiment may be used. .

  For example, the “hose” in the hose protection guide apparatus for a printing machine of the present invention mainly means a flexible hose that sends water, air, etc. Even a power cable that feeds driving power to or from a signal cable or a signal cable that transmits a control signal does not hinder the smooth reciprocating motion of the pin gear sprocket described above.

  Further, the link frame constituting the hose protection guide device for a printing machine of the present invention is formed on the bent outer peripheral side of a pair of link plates that are spaced apart from each other even if the link frame is integrally formed of synthetic resin. The horizontally mounted connecting plate may be removable, or the connecting plate may be opened and closed by a hinge mechanism.

Example 1 which is one embodiment of the present invention will be described with reference to FIGS.
Here, FIG. 1 is a perspective view illustrating a part of the hose protection guide device 100 for a printing machine according to the first embodiment, and FIG. 2 is a front view when viewed from the direction of arrow II in FIG. 3 is a cross-sectional view of the link frame 110 taken along the line III-III in FIG. 2, and FIG. 4 shows the relationship between the hose protection guide device 100 for a printing machine and the pin gear sprocket S of the first embodiment. It is a side view.

  First, as shown in FIG. 1, a printing machine hose protection guide device 100 according to the present embodiment includes a pair of link plates 112 that are spaced apart from each other on the left and right sides, and a bent outer peripheral side and a bent side of the pair of link plates 112. A large number of link frame bodies 110 constituted by connecting plates 114 and 116 respectively laid horizontally on the inner peripheral side are connected so as to be able to bend in the longitudinal direction in a state in which the hoses H are housed. H is for protection guidance.

As shown in FIGS. 2 and 3, the link plate 112 includes an inner piece 112a and an outer piece 112b, and the outer surface of the inner piece 112a and the inner surface of the outer piece 112b are integrated in an intermediate portion of the link frame 110. A so-called offset-type link frame 110 is formed.
In the link plate 112, a connecting pin insertion hole 117 is formed in the outer piece 112b with a pitch interval P, while a connecting pin press-fitting hole 115 is formed in the inner piece 112a.
The outer surface of the inner piece 112a of one link frame 110 and the inner surface of the outer piece 112b of another link frame 110 adjacent to each other are arranged in sliding contact with each other. 119 is inserted through the connection pin insertion hole 117 and is press-fitted into the connection pin press-fitting hole 115, so that a large number of link frame bodies 110 are connected so as to be bent in the longitudinal direction.

In addition, a cylindrical projection 118 that protrudes outwardly from the one outer piece 112b of the link plate 112 and meshes with the teeth of the pin gear sprocket on a linear traveling reciprocating track. The cylindrical protrusion 118 has a cylindrical shape and is formed concentrically with the connecting pin insertion hole 117.
The cylindrical protrusion 118 has an inner diameter slightly longer than the inner diameter of the connection pin insertion hole 117 and is substantially equal to the diameter d of the head of the connection pin 119, and the cylindrical wall of the cylindrical protrusion 118 The connection pin 119 is formed so as to be accommodated in the interior of the housing.

Further, as shown in FIG. 2, a pair of left and right guide walls 113 are extended from the pair of left and right link plates 112 on the bent inner peripheral side of the link frame 110.
And the inner side edge part which this guide wall 113 opposes is formed in the taper shape.
In the case of the present embodiment, the inner end portion of each guide wall 113 is formed in a tapered shape of 45 °, and therefore the tapered surface 113a formed in the pair of guide walls 113 is engaged with the guide rail having a square section. It is supposed to be.
The guide wall 113 has a hollow structure having a hollow portion 113b.
The main purpose of the hollow portion 113b is to maintain the shape (prevention of sink marks, that is, the phenomenon of appearance defects in which the thickness of the molded product is dented), and is generally performed in injection molding.
In addition, secondary effects such as weight reduction of products and reduction of materials are also expected.

  As shown in FIG. 4, the hose protection guide device 100 for a printing machine according to this embodiment includes cylindrical protrusions formed on the teeth t of the pin gear type sprocket S and the link plate 112 of each link frame 110. By engaging the portion 118 with the linear traveling reciprocating orbit, it is possible to move forward and backward in the pitch direction on the linear traveling reciprocating orbit in response to the forward and reverse rotation of the pin gear sprocket S. ing.

  With respect to the material constituting the link frame 110 in this embodiment, polyamide 6, polyamide 12, polyamide 46, polyamide that can withstand bending strain that tends to occur during bending operation and exhibits excellent dimensional stability of the hose holding form. 66, it is preferable to use a synthetic resin called engineering plastic resin such as polybutylene terephthalate, acrylic, and polyacetal. In particular, fatigue resistance in which an elastomer or a rubber component is blended with a polyamide-based resin or a polybutylene terephthalate resin. When molded using a resin material, the elastomer or rubber component blended in the polyamide-based resin or polybutylene terephthalate resin adds flexibility that is resistant to impact, and therefore has excellent impact resistance and resistance to repeated bending. Exhibit even more fatigue In, more preferable.

  In this embodiment, the link frame 110 is integrally formed of the aforementioned synthetic resin using an injection molding machine. Therefore, since the link frame 110 is composed of a single member, it is possible to reduce the number of parts, simplify the configuration, reduce the number of manufacturing steps, and reduce the manufacturing cost.

As described above, the printing machine hose protection guide device 100 according to the first embodiment of the present invention has a cylindrical shape that meshes with the teeth of the pin gear sprocket on the linear traveling reciprocating track on at least one outer side of the link plate 112. By projecting the protrusion 118, smooth reciprocating motion by the pin gear sprocket can be realized with a very simple configuration, a small number of parts, and a small number of manufacturing steps.
As a result, the manufacturing cost can be greatly reduced, and the bending radius of the hose protection guide device 100 for the printing machine and the bending radius of the hoses incorporated in the hose protection guide device 100 for the printing machine can be realized. Since the wear of the hoses that tend to occur when the hose protection guide device 100 for a printing machine is bent and repeated forward and backward is suppressed, the service life of the hoses is extended and maintenance is performed. The work burden can be reduced.

  In addition, the hose protection guide device 100 for a printing machine according to the first embodiment of the present invention includes a pair of left and right guide walls 113 extending from the pair of link plates 112 on the bent inner peripheral side of the link frame 110. The opposing inner ends of the pair of left and right guide walls 113 are tapered so that the hose protection guide device 100 for a printing machine is engaged with a guide roller or a guide rail having a tapered section. Since the moving trajectory can be guided, the effect at the time of traveling of the hose protection guide device 100 for a printing machine is improved.

Next, Example 2 which is another embodiment of the present invention will be described with reference to FIG.
Here, FIG. 5 is a cross-sectional view of the link frame 210 constituting the hose protection guide device for a printing machine according to the second embodiment, cut along the pitch line.

  The hose protection guide device for a printing machine according to the second embodiment has the same basic device configuration as the hose protection guide device 100 for the printing machine according to the first embodiment, and therefore the reference numeral 100 attached to the same member. The description is omitted by rewriting the number base to the number 200 series.

  The hose protection guide device for a printing machine according to the second embodiment is different from the hose protection guide device 100 for the printing machine according to the first embodiment described above only in the shape of the link frame 210. Therefore, only the link frame 210 is used. This will be described below.

That is, the link frame 210 constituting the hose protection guide device for a printing machine according to the second embodiment is linear with the teeth of the pin gear type sprocket on both outer pieces 212b of the pair of link plates 212 spaced apart on the left and right. Cylindrical protrusions 218 that mesh with each other on the traveling reciprocating track protrude outwardly.
The cylindrical projection 218 has a cylindrical shape as in the first embodiment, and is formed concentrically with the connecting pin insertion hole 217.
The cylindrical protrusion 218 has an inner diameter slightly longer than the inner diameter of the connection pin insertion hole 217 and is substantially equal to the diameter of the head of the connection pin, and the inside of the cylindrical wall of the cylindrical protrusion 218 Are formed so that the connecting pins can be accommodated.

  The hose protection guide device for a printing machine according to the second embodiment includes a pair of pin gear type sprocket teeth and a link frame that are spaced apart and fixed on one rotating shaft so as to sandwich the hose protection guide device for a printing machine. By engaging with the cylindrical protrusions 218 projecting on both outer sides of the body 210, it can move forward and backward in the pitch direction on the linear traveling reciprocating orbit in response to forward and reverse rotation of the pin gear sprocket. It is like that.

In the printing machine hose protection guide device of Example 2 obtained as described above, the driving force by the pin gear type sprocket is equally applied to the width direction of the printing machine hose protection guide device. This improves the linearity of the traveling track of the hose protection guide device for a vehicle and realizes a stable reciprocating motion.
In addition, since the load is distributed to the two cylindrical protrusions 218, the load resistance of the hose protection guide device for the printing machine is improved.

Next, Example 3 which is still another embodiment of the present invention will be described with reference to FIGS.
Here, FIG. 6 is a front view of the state in which the hose protection guide device 300 for a printing machine according to the third embodiment is applied to a rotary screen printing machine 500 as viewed from the belt running direction of the dyed cloth conveying endless belt 540 of the printing machine. FIG. 7 is a cross-sectional view taken along the line VII-VII of the drive mechanism 400 that moves the hose protection guide device 300 for the printing machine mounted in the rotary screen printing machine 500 shown in FIG. 6 forward and backward.

  The hose protection guide device 300 for a printing machine according to the third embodiment is completely the same as the hose protection guide device 100 for a printing machine according to the first embodiment of the present invention described above. The description is omitted by rewriting the 100s in the numbers to the 300s.

  As shown in FIG. 6, the printing machine hose protection guide device 300 according to the third embodiment includes the length of the rotary screen 510 in the inner space of the rotary screen 510 that is inclined downward from one end side to the other end side. In a rotary screen printing machine 500 in which a washing water injector 520 that reciprocates over the entire length in the direction is arranged and the nozzle of the washing water injector 520 is directed to the inner wall surface of the rotary screen 510, the rotary screen printing machine It is used to protect and guide a hose that sends cleaning water and compressed air from the 500 body to the cleaning water injector 520.

As shown in FIG. 7, the hose protection guide device 300 for a textile printing machine engages the teeth of a pin gear type sprocket 420 in which a projecting portion 318 is fixed to a rotating shaft 415 of a geared motor 410 via a boss portion 425. Yes.
Then, in order to maintain the meshing state of the hose protection guide device 300 for the printing machine and the pin gear type sprocket 420, the inner sides of the pair of left and right guide walls 313 extending from the link plate 312 to the bent inner peripheral side are opposed to each other. A guide roller 430 having tapered surfaces 430a on both side surfaces is pivotally supported so as to be in sliding contact with the tapered surface 313a at the end.

Then, by rotating the geared motor 410 forward and backward, the washing water injector 520 attached to the moving end of the printing machine hose protection guide device 300 is reciprocated over the entire length of the rotary screen 510. I can do it.
In the inner space of the rotary screen 510, a guide rail 530 having a square cross section for guiding the reciprocating motion of the hose protection guide device 300 for a printing machine is disposed so that the diagonal of the cross section is perpendicular to the guide rail 530. The upper right-angled portion and the tapered surface 313a at the opposite inner ends of the pair of left and right guide walls 313 extending from the link plate 312 of the printing machine hose protection guide device 300 to the bent inner peripheral side are in sliding contact with each other. The printing machine hose protection guide device 300 can reciprocate stably in the longitudinal direction over the entire length of the inner space of the rotary screen 510.
Therefore, even if the rotary screen 510 rotates at a high speed, the hose is not twisted or entangled, and the inner peripheral surface of the rotary screen 510 and the hose are not rubbed, so that the life of the hose can be extended. .

  As described above, the hose protection guide device 300 for the printing machine according to the third embodiment greatly contributes to speeding up of the rotary screen printing machine, improvement of reliability, and reduction of maintenance work load.

  Usually, a hose protection guide device for a printing machine surrounds and protects a hose connecting a movable part having a drive mechanism and a fixed part, and passively guides a locus drawn by the hose as the movable part moves. However, the hose protection guide device for a printing machine according to the present invention moves the hose protection guide device for a printing machine forward and backward on a linear traveling reciprocating track in response to forward and reverse rotation of a pin gear type sprocket. Since it can be moved, that is, there is no need to provide a drive mechanism in the movable part, its application field is not limited to rotary screen printing machines, and industrial applicability such as washing robots and machine tools for sewer pipes is extremely high.

The perspective view which shows a part of hose protection guide apparatus for textile printing machines of Example 1. FIG. The front view when it sees from the arrow II direction of FIG. Sectional drawing of the link frame in the III-III line of FIG. The side view which shows the relationship between the hose protection guide apparatus for textile printing machines of Example 1, and a pin gear type sprocket. Sectional drawing along the pitch line of the link frame of the hose protection guide apparatus for textile machines of Example 2. FIG. The front view which looked at the state which applied the hose protection guide apparatus for textile machines of Example 3 to the rotary screen textile machine from the belt running direction of the dyeing cloth conveyance endless belt. Sectional drawing in the VII-VII line of FIG. The side view which showed the usage example of the hose protection guide apparatus for the conventional textile printing machines. Sectional drawing in the IX-IX line of FIG. The rear view when it sees from the arrow X direction of FIG.

100, 300 ... hose protection guide devices 110, 210 for printing machines ... link frames 112, 212, 312 ... link plates 112a, 212a, 312a ... inner pieces 112b (of link plates), 212b, 312b ... outer pieces 113, 313 (of the link plate) ... guide walls 113a, 313a ... tapered surfaces 113b, 313b (of the guide walls) ... cavities 114, 314 (of the guide walls) ··· Connection plates 115, 215 (bending outer peripheral side) ... Connection pin press-fitting holes 116, 316 · · · Connection plates 117, 217 (bending outer peripheral side) ... Connection pin insertion holes 118, 218, 318・ ・ ・ Cylindrical protrusion 119 ・ ・ ・ Connecting pin 400 ・ ・ ・ Drive mechanism 410 ・ ・ ・ Geared motor 415 ・ ・ ・ (Geared motor ) Rotating shaft 420 ... Pin gear type sprocket 425 ... Boss part 430 ... Guide roller 430a ... Tapered surface 500 (of the guide roller) ... Rotary screen printing machine 510 ... Rotary screen 520 .. Washing water injector 530... Guide rail 540... Dyeing cloth transport endless belt 600... (Conventional) hose protection guide device 610 for printing machines... Link frame 612. 614 ... Connection plate 616 (bending outer peripheral side) ... Connection plate 620 (bending outer peripheral side) ... Guide plate 622 ... Insertion hole 624 ... Slit 630 ... Bolt H ... Hose S ・ ・ ・ Pin gear type sprocket t ・ ・ ・ Teeth (of pin gear type sprocket)

Claims (3)

A cleaning water injector for reciprocating the entire length of the rotary screen in the length direction of the rotary screen is disposed in the inner space of the rotary screen that is inclined downward from one end side to the other end side, and the nozzle of the cleaning water injector is set to the rotary screen. In a hose protection guide device for a printing machine that protects and guides hoses for sending cleaning water and compressed air to a cleaning water jet of a rotary screen printing machine oriented to the inner wall surface of the printing machine,
A plurality of link frame bodies connected in a flexible manner in the longitudinal direction with the hoses mounted therein are horizontally mounted on a pair of link plates spaced apart on the left and right sides, and on the bent outer peripheral side and the bent inner peripheral side of the link plate, respectively. Connected to the connecting plate,
A cylindrical projection that is coaxially connected to the connecting pin for connecting the link frame and is engaged with at least one outer side of the link plate on the linear reciprocating track with the teeth of the pin gear type sprocket is integrally formed with the link plate. A hose protection guide device for a printing machine, characterized in that it is provided in a protruding manner.   A pair of left and right guide walls extend from the pair of link plates on the bent inner peripheral side of the link frame body, and opposite inner ends of the pair of left and right guide walls are formed in a tapered shape. The hose protection guide device for a printing machine according to claim 1.   The hose protection guide device for a printing machine according to claim 1 or 2, wherein the link frame is integrally formed of a synthetic resin.

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