JP7044315B2 - Transfer roll carrier - Google Patents

Description

The present invention relates to a transfer roll carrier used to transport a transfer roll provided in a printing coating apparatus.

Conventionally, it is necessary to replace the transfer roll when changing the pattern or the like to be transferred in the printing coating apparatus. Then, at the time of replacement work of the transfer roll, generally, the transfer roll is carried in and out of the printing coating apparatus by using a transport trolley for the transfer roll.

For example, the transport carriage for transfer rolls disclosed in Patent Document 1 is provided with a main body frame having four casters attached to the lower surface thereof, and a mounting table extending in the horizontal direction is arranged above the main body frame. Has been done. A pair of roll mounting portions on which the transfer roll can be mounted are arranged side by side on the mounting table, and the transfer roll is placed on each roll mounting portion and printing is applied by rolling each caster. The transfer roll can be carried in and out of the device.

Japanese Unexamined Patent Publication No. 2006-175702

By the way, since the transfer roll as described above is generally long in the axial direction and heavy in weight, in the case of the transport trolley for the transfer roll as in Patent Document 1, the warehouse for storing the transfer roll and the transport trolley are used. In order to safely perform the loading and unloading work of the transfer roll between the two, it is necessary for two workers to perform the work, and there is a problem that the work efficiency is poor.

The present invention has been made in view of these respects, and an object of the present invention is to provide a transfer roll carrier that can safely and efficiently perform loading and unloading work of transfer rolls. be.

In order to achieve the above object, the present invention is characterized by providing a structure in which an upward force acts on the transfer roll when the operator lifts the transfer roll.

That is, in the first invention, a main body frame having a roll mounting portion on which a transfer roll can be placed in a posture in which the rotation axis faces in the horizontal direction, and a plurality of first casters attached to the lower portion of the main body frame. The transfer roll has an engaging portion that can be engaged and disengaged at the end of the transfer roll, and when the transfer roll is loaded and unloaded from the roll mounting portion, the engaging portion is engaged with the end of the transfer roll. It is characterized in that it is provided with an assisting means for assisting the operator in lifting the transfer roll by applying an upward force to the transfer roll.

In the second invention, in the first invention, the assisting means is attached to the upper part of the main body frame, and the wire member provided with the engaging portion at one end and the wire member are wound so as to be able to be pulled out. It is characterized by comprising a take-up roll and a spring member for urging the take-up roll in the take-up direction.

In the third aspect of the invention, in the second invention, the assisting means are provided in pairs at positions symmetrical with respect to the roll mounting portion in the horizontal direction.

In the fourth invention, in the third invention, a plurality of the roll mounting portions are formed between the two assisting means and at a position below the both assisting means at a predetermined interval in the vertical direction. It is characterized by being.

In a fifth aspect of the invention, in any one of the first to fourth aspects, a pair of first frames extending in the vertical direction and provided at predetermined intervals in the horizontal direction and extending in the horizontal direction are described above. A subframe having a second frame connecting both first frames and capable of supporting the transfer roll on the upper part of both first frames so that the axis of rotation thereof coincides with the parallel direction of both first frames. A plurality of second casters attached to the lower portion of the subframe, and a frame attachment / detachment means for attaching / detaching the subframe to / from the main body frame.

In the sixth aspect of the invention, in the fifth aspect, the second frame is provided at a position below the middle portion in the vertical direction of both the first frames, and the first frame and the second frame are located upward. It is characterized in that a U-shaped open portion to be opened is formed.

In the first invention, when the operator lifts the transfer roll with the engaging portion engaged with the end of the transfer roll, an upward force is applied to the end of the transfer roll by the assisting means. Therefore, the assisting means bears a part of the load applied to the worker who lifts the transfer roll, and the worker can safely and quickly perform the work of loading and unloading the transfer roll on the roll mounting portion. can.

In the second invention, when the wire member is pulled downward from the take-up roll against the urging force of the spring member and the engaging portion is engaged with the end portion of the transfer roll, the spring is associated with the end portion of the transfer roll. The urging force of the member is applied so as to go upward. Therefore, since the force can be applied to the end of the transfer roll without the need for an air supply source or power supply, the dolly can be used even in a work environment where the air supply source or power supply is not nearby, and the air piping can be used. It is simpler and cheaper than a dolly that requires an electric circuit.

In the third invention, when the engaging portion of one assisting means is engaged with one end of the transfer roll and the engaging portion of the other assisting means is engaged with the other end of the transfer roll, the transfer roll is formed. A well-balanced upward force is applied to each end. Therefore, the operator can lift the transfer roll to the roll mounting portion or lower it from the roll mounting portion while maintaining the posture in which the rotation axis thereof faces in the horizontal direction, and the transfer roll for the transport trolley can be lifted. You will be able to easily load and unload.

In the fourth invention, since a plurality of transfer rolls can be transported at one time, the transport efficiency of the transfer rolls can be improved. Further, when each transfer roll is placed on each roll mounting portion, the transfer rolls are arranged side by side in the vertical direction with the rotation axis facing the horizontal direction. Therefore, it is possible to bring the transport trolley into a loaded state that does not take a width in the horizontal direction orthogonal to the parallel direction of both assisting means during transportation.

In the fifth invention, since the transfer roll is supported so that the subframe does not take a width in the horizontal direction orthogonal to the parallel direction of both first frames, the transfer roll is transferred from the main body frame to the subframe and the subframe is transferred. By separating the frame from the main body frame and moving it, the transfer roll can be carried in and out in a narrow place in the work area for work.

In the sixth invention, for example, when the transfer roll mounted on the subframe is lifted by using the assist arm or the like, when the assist arm or the like is inserted into the open portion and moved upward, the assist arm or the like is in the middle of the transfer roll. Come to support the club. Therefore, the transfer roll can be lifted in a well-balanced manner, and the operator can safely and easily lift the transfer roll.

It is a front view of the transfer roll transport trolley which concerns on embodiment of this invention. It is a side view of the transfer roll transport trolley which concerns on embodiment of this invention. FIG. 2 is a view corresponding to FIG. 2 showing a state in which an operator is in the process of loading and unloading a plate cylinder with respect to a transport trolley. It is sectional drawing in the IV-IV line of FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. It should be noted that the following description of the preferred embodiment is essentially merely an example.

1 and 2 show a transport trolley 1 (transfer roll transport trolley) according to an embodiment of the present invention. The carrier 1 is for transporting the plate cylinder 10 between the warehouse for accommodating the plate cylinder 10 and the printing device when the plate cylinder 10 attached to the printing device (not shown) is replaced. It is provided with a main body frame 2 and a subframe 4 assembled by connecting a plurality of iron square tube frames.

The main body frame 2 has a pair of vertical frames 21 extending in the vertical direction and provided at predetermined intervals in the horizontal direction, and an H-shaped upper portion fixed to the upper end of the vertical frames 21 in a plan view. A frame 22 and a base frame 23 having a rectangular frame shape in a plan view fixed to the lower end of the vertical frame 21 are provided.

The upper frame 22 extends in the horizontal direction orthogonal to the first horizontal frame 22a and the first horizontal frame 22a extending in the parallel direction of both vertical frames 21, and is symmetrical about the first horizontal frame 22a. As described above, a pair of second horizontal frames 22b attached to each end of the first horizontal frame 22a is provided, and the upper end portion of each vertical frame 21 is fixed at a position near each end of the first horizontal frame 22a. Has been done.

Auxiliary tools 3 (assisting means) that assist the operator in lifting the plate cylinder 10 are attached to each end of the second horizontal frame 22b. For convenience, the pair of assisting tools 3 attached to one side of each second horizontal frame 22b assists the assisting tool 3A, and the pair of assisting tools 3 attached to the other side of each second horizontal frame 22b assists each other. We will call it tool 3B.

Each of the assisting tools 3A and 3B includes a disk-shaped tool case 31 having a thickness, and a wire member 32 having an elongated iron engaging rod 33 (engaging portion) rotatably suspended at one end. The tool case 31 is suspended from the second horizontal frame 22b so that its center line faces in the horizontal direction. The engaging rod 33 has an annular engaging flange portion 33a.

Inside the tool case 31, as shown in FIG. 3, there is a take-up roll 34 for winding the wire member 32 so as to be able to be pulled out through a communication hole (not shown) formed in the lower part of the tool case 31. , A spiral spring 35 (spring member) that urges the take-up roll 34 in the take-up direction is arranged.

A resin grip 36 forming a thick rod is attached to one end side of the wire member 32, and the operator can pull out the wire member 32 from the tool case 31 against the urging force of the spiral spring 35 while gripping the grip 36. It has become like. The grip 36 is provided with a flange portion 36a for preventing hand pinching.

Inside the plate cylinder 10, a tubular hollow portion is formed that penetrates along the axis of rotation thereof. At the end of the plate cylinder 10, an annular flange projects inward to form a through hole 10a having an inner diameter smaller than that of the hollow portion.

With the worker H1 holding the grip 36 and pulling out the wire member 32 from the tool case 31, the engaging rod 33 is inserted into the through hole 10a from the end of the plate cylinder 10 together with the engaging flange portion 33a to insert the grip 36. As shown in FIG. 4, the engaging rod 33 is pulled upward by the urging force of the spiral spring 35, so that the tip of the engaging rod 33 is brought to the inner peripheral surface on the inner side of the plate cylinder 10. At the same time, the engaging flange portion 33a of the engaging rod 33 comes into contact with the peripheral edge of the opening of the through hole 10a, and the engaging rod 33 engages with the end portion of the plate cylinder 10.

On the other hand, when the operator holds the grip 36 and pulls out the wire member 32 against the urging force of the spiral spring 35 while the engaging rod 33 is engaged with the end portion of the plate cylinder 10, the engaging rod 33 The engaging flange portion 33a is separated from the through hole 10a so that the engaging rod 33 can be removed from the end portion of the plate cylinder 10.

That is, the engaging rod 33 can be engaged with and detached from the end of the plate cylinder 10.

As shown in FIG. 1, handles 21a having a substantially U-shape are attached to the middle portions of each vertical frame 21 in the vertical direction, and both handles 21a are arranged in the parallel direction of both vertical frames 21 in front view. It has a symmetrical shape.

As shown in FIG. 2, the portions of the vertical frames 21 facing each other and extending from the middle to the lower end of each vertical frame 21 are gently separated from each other with respect to the vertical frame 21 in a side view. Four mounting frames 26 having a substantially V-shape extending diagonally upward are fixed vertically at predetermined intervals.

That is, the main body frame 2 is provided with four sets of horizontally opposed paired mounting frames 26 at a predetermined interval in the vertical direction.

One side and the other side of the paired mounting frames 26 facing each other in the horizontal direction constitute the roll mounting portion 20 of the present invention. For convenience, each roll mounting portion 20 arranged vertically on one side of the main body frame 2 is a roll mounting portion 20A, and each roll mounting portion 20 arranged vertically on the other side of the main body frame 2 is a roll mounting portion 20B. I will call it.

Each roll mounting portion 20A is located between the assisting tools 3A and below the both assisting tools 3A, and the both assisting tools 3A are horizontally symmetrical with respect to the roll mounting portion 20A. It is in the position of.

Further, each roll mounting portion 20B is located between the assisting tools 3B and below the both assisting tools 3B, and the both assisting tools 3B are located in the horizontal direction about the roll mounting portion 20. It is in a symmetrical position.

The roll mounting portions 20A and 20B can mount the plate cylinder 10 in a posture in which the center of rotation thereof faces in the horizontal direction and in a state of being close to each vertical frame 21.

Six first casters 24 are attached to the lower surface of the base frame 23. Four of the six first casters 24 are attached to the four corners of the base frame 23 and are rotatable around a rotation axis extending in the vertical direction. On the other hand, the remaining two first casters 24 out of the six first casters 24 are rolled so that the two vertical frames 21 are arranged side by side on the lower surface of the middle portion on one side and the lower surface of the middle portion on the other side in the base frame 23. Each is fixed.

Further, a first magnet portion 25 is attached to the upper surface of the middle portion on one side of the base frame 23.

The subframe 4 is arranged on the roll mounting portion 20A side of the main body frame 2 and has a height of about half of the main body frame 2.

The subframe 4 extends vertically and extends horizontally and connects a pair of first frames 41 and a second frame extending horizontally to connect the lower ends of both first frames 41. A frame 42 is provided, and a U-shaped opening portion 40 that opens upward is formed by both the first frame 41 and the second frame 42.

Below the second frame 42, a pair extending in the horizontal direction orthogonal to the second frame 42 and fixed to the lower surface of the second frame 42 at a predetermined interval in the extending direction of the second frame 42. A third frame 43 is provided, and each of the third frames 43 has a shape symmetrical in the horizontal direction with the second frame 42 as the center in a side view.

A second caster 44 is rotatably attached to the end of each third frame 43 around a rotation axis extending in the vertical direction, and is detachable from the first magnet portion 25 in the middle of the second frame 42. Second magnet portion 45 is attached.

The first and second magnet portions 25, 45 constitute the frame attachment / detachment means 5 of the present invention, and the frame attachment / detachment means 5 can attach / detach the subframe 4 to / from the main body frame 2. There is.

A support plate 42a extending in the horizontal direction orthogonal to the second frame 42 is attached to the upper part of each second frame 42 so as to be symmetrical in the horizontal direction with the second frame 42 as the center in a side view.

A plate cylinder support roller 42b whose rotation axis extends in the extension direction of the second frame 42 is rotatably attached to each end of the support plate 42a, and the four plate cylinder support rollers 42b attach the plate cylinder 10 to the plate cylinder 10. The rotation axis can be supported so as to coincide with the extension direction of the second frame 42.

Then, when the plate cylinder 10 is loaded and unloaded on each roll mounting portion 20A, when the operator H1 engages the engaging rod 33 of each assisting tool 3A with each end portion of the plate cylinder 10, each assisting tool The 3A assists the worker H1 in lifting the plate cylinder 10 by applying an upward force to the engaging rod 33 engaged with each end of the plate cylinder 10 by the urging force of the spiral spring 35. It has become like.

The loading / unloading work of the plate cylinder 10 for each roll mounting portion 20B is the same as the loading / unloading work of the plate cylinder 10 for each roll mounting portion 20A described above, except that each assisting tool 3B assists the lifting operation of the plate cylinder 10. Since they are the same, detailed explanations will be omitted.

Further, the loading / unloading work of the plate cylinder 10 on the subframe 4 is performed by using each assisting tool 3A in the same manner as the loading / unloading work of the plate cylinder 10 on each roll mounting portion 20A.

From the above, according to the embodiment of the present invention, when the worker H1 lifts the plate cylinder 10 with the engaging rod 33 engaged with the end portion of the plate cylinder 10, the assisting tool 3A (or the assisting tool 3B) is used. A force is applied upward to the end of the plate cylinder 10. Therefore, the assisting tool 3A (or the assisting tool 3B) bears a part of the load applied to the worker H1 who lifts the plate cylinder 10, and the worker H1 is placed on the roll mounting portion 20A (or the roll mounting portion 20A). The work of loading and unloading the plate cylinder 10 with respect to the placement portion 20B) can be performed safely and quickly.

Further, when the wire member 32 is pulled downward from the take-up roll 34 against the urging force of the spiral spring 35 and the engaging rod 33 is engaged with the end portion of the plate cylinder 10, the end portion of the plate cylinder 10 is engaged. The urging force of the spiral spring 35 is applied upward. Therefore, since the force can be applied to the end portion of the plate cylinder 10 without the need for an air supply source or a power source, the transport carriage 1 can be used even in a work environment where the air supply source and the power source are not nearby. It is simpler and less costly than a transport trolley that requires air piping and electric circuits.

Further, the engaging rod 33 of one assisting tool 3A (or assisting tool 3B) is attached to one end of the plate cylinder 10, and the engaging rod 33 of the other assisting tool 3A (or assisting tool 3B) is attached to the plate cylinder. When each of the other ends of the plate 10 is engaged with each other, an upward force is applied to each end of the plate cylinder 10 in a well-balanced manner. Therefore, the operator H1 lifts the plate cylinder 10 to the roll mounting portion 20A (or the roll mounting portion 20B) while maintaining the posture in which the rotation axis thereof faces in the horizontal direction, or the roll mounting portion 20A (or the roll mounting portion 20A). Alternatively, it can be unloaded from the roll mounting portion 20B), and the plate cylinder 10 can be easily loaded and unloaded on the transport carriage 1.

Further, in the transport trolley 1 of the present invention, since a plurality of plate cylinders 10 can be transported at one time, the transport efficiency of the plate cylinder 10 can be improved. Further, when each plate cylinder 10 is placed on each roll mounting portion 20A (or roll mounting portion 20B), the plate cylinders 10 are arranged side by side in the vertical direction in a posture in which the rotation axis thereof faces the horizontal direction. It becomes a state. Therefore, it is possible to bring the transport trolley 1 into a loaded state that does not take a width in the horizontal direction orthogonal to the parallel direction of both assisting tools 3A (or both assisting tools 3B) during transportation.

Further, since the plate cylinder 10 is supported so that the subframe 4 does not take a width in the horizontal direction orthogonal to the parallel direction of both first frames 41, the plate cylinder 10 is transferred from the main body frame 2 to the subframe 4. At the same time, by separating the subframe 4 from the main body frame 2 and moving it, the plate cylinder 10 can be carried in and out in a narrow place in the work area for work.

Further, for example, when the plate cylinder 10 mounted on the subframe 4 is lifted by using the assist arm or the like, when the assist arm or the like is inserted into the opening portion 40 and moved upward, the assist arm or the like is moved in the middle of the plate cylinder 10. Come to support the club. Therefore, the plate cylinder 10 can be lifted in a well-balanced manner, and the operator H1 can safely and easily lift the plate cylinder 10.

Although the transport trolley 1 according to the embodiment of the present invention transports the plate cylinder 10 of the printing device (not shown), it can also transport the coating roll of the coating device.

Further, in the embodiment of the present invention, the spiral spring 35 is used as the spring for urging the take-up roll 34 in the take-up direction, but the winding spring 35 is not limited to this, and the take-up roll 34 is not limited to this. May be urged in the winding direction.

Further, in the embodiment of the present invention, the subframe 4 is provided, but it is not essential to provide the subframe 4.

Further, in the embodiment of the present invention, the second frame 42 in the subframe 4 is attached at the position of the lower end of both the first frames 41, but the present invention is not limited to this, and for example, the second frame 42 is the first of both. The frame 41 may be provided at a position below the middle portion in the vertical direction.

The present invention is suitable for a transfer roll carrier used to transport a transfer roll provided in a printing coating apparatus.

1 Transport trolley (transfer roll transport trolley)
2 Body frame 3 Helping tool (helping means)
4 Subframe 5 Frame attachment / detachment means 10 Plate cylinder (transfer roll)
20 Roll mounting part 24 1st caster 32 Wire member 33 Engagement rod (engagement part)
34 Take-up roll 35 Swirl spring (spring member)
41 1st frame 42 2nd frame 44 2nd caster H1 worker

Claims (5)

A main body frame having a roll mounting portion on which a transfer roll can be mounted in a posture in which the center of rotation faces horizontally, and
A plurality of first casters attached to the lower part of the main body frame,
The transfer roll has an engageable portion that can be engaged with and detached from the end portion of the transfer roll, and when the transfer roll is loaded and unloaded from the roll mounting portion, the engagement portion engaged with the end portion of the transfer roll is engaged. On the other hand, it is provided with an assisting means for assisting the operator in lifting the transfer roll by applying an upward force .
The assisting means is attached to the upper part of the main body frame, and the wire member provided with the engaging portion at one end, the take-up roll for winding the wire member so as to be able to be pulled out, and the take-up roll are wound. A transfer roll carrier trolley characterized by having a spring member for urging in the picking direction . In the transfer roll carrier according to claim 1,
The assisting means is a transfer roll carrier, characterized in that a pair of the assisting means is provided at positions symmetrical with respect to the horizontal direction about the roll mounting portion. In the transfer roll carrier according to claim 2,
A plurality of the roll mounting portions are formed between the two assisting means and at a position below the both assisting means at a predetermined interval in the vertical direction, and the transfer roll is formed with the rotation axis thereof being both of the above. A transfer roll transport trolley characterized in that it is configured to be placed in a posture facing the parallel arrangement direction of the assisting means. In the transfer roll carrier according to any one of claims 1 to 3.
It has a pair of first frames extending in the vertical direction and provided at predetermined intervals in the horizontal direction and a second frame extending in the horizontal direction to connect the first frames. With a subframe capable of supporting the transfer roll at the upper part of the frame so that its rotation axis coincides with the extension direction of the second frame.
With a plurality of second casters attached to the bottom of the subframe,
A transfer roll carrier trolley characterized by being provided with a frame attachment / detachment means for attaching / detaching the subframe to the main body frame. In the transfer roll carrier according to claim 4,
The second frame is provided at a position below the middle portion in the vertical direction of both the first frames, and a U-shaped opening portion that opens upward is formed by the both first frames and the second frame. A transfer roll carrier that is characterized by its presence.

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