JP4315726B2 - Body binding device for perfect binding - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-binding bookbinding body rotation device for arranging a body to be bound with a binding surface in a transport path with a binding surface at a lower end and transporting the body to the bookbinding machine and changing the binding surface of the body by rotating the transported body. It is.
[0002]
[Prior art]
2. Description of the Related Art A perfect binding machine that applies glue on the back of a body and attaches a cover to the back to finish the book is well known. Such a bookbinding machine is configured to move the glue applying part and the cover attaching part by sandwiching the body with a clamp plate with the back side to which the glue is applied being the lower end. When binding a large amount of body with this bookbinding machine, a transporting machine that transports the body with the back of the glue applied between the clamp plates of the bookbinding machine is connected to the bottom, and the body is sent to this transporting machine And printers are connected. In other words, the body that has been collated for one book by a collating machine is sent to the transport machine sequentially with the back side to which the glue is applied, the lower side being the lower side, and the transport machine is placed on the clamp plate of the bookbinding machine with the back side to be applied being the lower end. Sequentially feed, and clamp plates are held one by one to complete bookbinding.
[0003]
[Problems to be solved by the invention]
In this way, when the bookbinding process is performed by connecting a transporter that transports the body with the back surface to which the glue is applied as the lower end, the back surface of the body to which the glue is applied is, for example, the end surface on the long side of the A4 size If it is always constant, there is no problem in the bookbinding processing efficiency, but there are times when the back surface to which the glue is applied is changed from the end surface on the long side to the end surface on the short side. Conventionally, in this case, the short side end face is manually inserted between the clamp plates of the bookbinding machine, which is troublesome and troublesome, and reduces the bookbinding efficiency.
[0004]
The present invention has been made to solve such a problem, and an object of the present invention is to provide a self-binding bookbinding body rotation device capable of mechanically changing the end face on which the body glue is applied.
[0005]
[Means for Solving the Problems]
According to the first aspect of the present invention, there are provided a roller that contacts the lower end surface of the conveyed body, a drive shaft that is supported by a machine frame on both sides, and that drives the rollers to rotate, and that one end edge is a cam surface and the other end edge is the both sides. A cylindrical cam fixed to the machine frame and disposed on both sides of the roller inserted through the drive shaft, a cam follower that contacts the cam surface of the cam at one end, and a grip rod attached to the other end, A cam lever disposed on both sides of the roller rotatably attached to the drive shaft, one end fixed to the drive shaft, the other end fixed to the cam lever, and the cam follower of the cam lever attached to the cam shaft. A spring that biases the cam surface in a pressing direction ; and a support pin that is fixed to a side surface of the roller and extends across the outer surface of the roller, and when the body is conveyed to the outer surface of the roller, the drive Axis rotation With sandwiching the book block with the swing of the cam lever associated with narrowing between the tip of the opposite sides of the grip rod, to support the rear end of the book block with the supporting pins, the rotation of the roller due to the rotation of the drive shaft characterized in that together made by changing the end face of the book block to perfect binding made by rotating the book block.
[0006]
In the present invention, when a roller is disposed on a conveyance path for sending the body to the perfect binding machine and the end face of the body to be stapled is changed, the roller is rotationally driven to convey the body on the roller surface. Then, the body conveyed on the surface of the roller is clamped by the gripper, and the lower end surface changed by rotating with the rotation of the roller while supporting the lower lower end of the body with the support pin is placed on the conveyor belt, and the gripper is released. Then, it is sent to the bookbinding machine by the conveyor belt. Since the gripper is clamped and the back end of the body is supported by the support pin and the body is rotated, the wireless binding surface can be changed without disturbing the body.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view showing a configuration of a body rotation device according to an embodiment of the present invention, FIG. 2 is an operation explanatory view of the body rotation device of FIG. 1, and (a) is a state when the body H is sandwiched between grip rods. (B) shows the state when the body H is rotating with the grip rod sandwiched, (c) shows the state when the body H is separated from the grip rod, and FIG. 3 shows the body rotating device of FIG. FIG. 4 is an explanatory view showing the state of conveyance of the body when the body rotation device of FIG. 1 is not used. In each figure, a guide plate for guiding the conveyance of the main body is omitted.
[0008]
In FIG. 1, 1 is a roller having a collar 1a at one end, 2 is a width adjusting ring that adjusts the width of the collar 1a according to the thickness of the body H, 3 is a rotation transmission mechanism (for example, a sprocket) 3a 4a and 4b are cams, 5a and 5b are cam levers, 6a and 6b are cam followers (cam followers), 7a and 7b are springs, 8a and 8b are grip rods, 9 Is a support pin fixed to the roller 1 by a fixing bracket 9a, 10 is a machine frame, 11 is a transport chain, and 12 is a transport claw fixed to the transport chain.
[0009]
The cam 4a has a cylindrical shape with one end edge as a cam surface, is inserted on the one side of the roller 1 through the rotation drive shaft 3, and the end opposite to the cam surface is fixed to the machine frame 10. The cam 4b has a cylindrical shape with one end edge as a cam surface, is inserted on the other side of the roller 1 through the rotary drive shaft 3, and an end opposite to the cam surface is fixed to the machine frame 10. The cam surfaces of the cams 4a and 4b are opposed to Doshi Yama and Doshi Tani.
[0010]
The cam lever 5a is disposed on one side of the roller 1, a cam follower 6a is attached to one end, a grip rod 8a is rotatably attached to the other end, and a central portion thereof is rotatably attached to the rotary drive shaft 3. Yes. The other end of a spring 7a having one end fixed to the rotary drive shaft 3 is fixed to the cam lever 5a, and the cam follower 6a is urged in a direction to press the cam surface of the cam 4a. The cam lever 5b is disposed on the other side of the roller 1, a cam follower 6b is attached to one end, a grip rod 8b is rotatably attached to the other end, and a central portion thereof is rotatably attached to the rotary drive shaft 3. Yes. The other end of a spring 7b having one end fixed to the rotary drive shaft 3 is fixed to the cam lever 5b, and the cam follower 6b is urged in a direction to press the cam surface of the cam 4b. The grip rod 8 a is supported by the width adjusting ring 2, and the grip rod 8 b is supported by the collar 1 a of the roller 1 so as to pass therethrough.
[0011]
That is, the rotation drive shaft 3, the cams 4a and 4b, the cam levers 5a and 5b, the cam followers 6a and 6b, the springs 7a and 7b, and the grip rods 8a and 8b constitute a gripper. When the cam followers 6a and 6b come into contact with the crest of the cam surface, the cam levers 5a and 5b swing around the mounting point of the rotary drive shaft 3 to open between the tips of the grip rods 8a and 8b, and into the valley of the cam surface. When it comes into contact, it swings in the opposite direction and closes the tip of the grip rods 8a and 8b. The body H transported to the surface of the roller 1 is clamped by this closing, and the clamping is maintained while the rotation drive shaft 3 rotates by a predetermined angle (for example, 60 degrees), and then opened, and the body H is clamped by this opening. To release.
[0012]
As shown in FIG. 1 and FIG. 2A, the support pin 9 is attached to a position where it abuts on the lower end surface of the rear part of the body H conveyed on the surface of the roller 1 and is sandwiched between the grip rods 8a and 8b. Is supported by the support pin 9 and can be rotated together with the rotation of the roller 1 without disturbing the state of the conveyed body H as shown in FIGS. 2 (b) and 2 (c). If the support pin 9 is configured to push up the lower end surface of the rear portion of the body H with the gripping position of the grip rods 8a and 8b as a fulcrum, the body H can be rotated quickly.
[0013]
As shown in FIGS. 3 and 4, the main body rotating apparatus configured as described above has a main body H that constitutes a booklet for one book carried out from a collating machine (connected to the right side of the figure (not shown)). It is installed on a conveyance path for conveyance to a perfect binding machine (connected to the left side of the figure (not shown)). 3 and 4, reference numeral 11 denotes a transport chain in which the transport claw 12 is fixed at a predetermined interval and moves around by a drive sprocket 13 installed at the carry-in entrance of the perfect binding machine. A conveyor belt that conveys the rotated body H, 15 is a power transmission chain that transmits the rotation of the drive sprocket 13 to the roller 1 and the conveyor belt 14, and 16a and 16b (shown in FIG. 4) and 16c are bodies that are pushed forward by the conveyor claw 12. A guide plate for guiding the lower end of H. The guide plate 16a is arranged from the loading position of the body H to the front of the roller 1, the guide plate 16c is disposed at the unloading position of the body H, the guide plate 16b is configured to be detachable, and when the body H is not rotated, the roller 1 is inserted between the guide plate 16c and the unloading position.
[0014]
The conveyor belt 14 is provided at a lower position in front of the roller 1 from the front side of the drive sprocket 13 and has an inclination angle along the lower end surface of the main body H when the main body H is separated from the gripper as shown in FIG. As shown in FIG. 3, the body H from which the release has been released is placed on the transport belt 14 and transported onto the guide plate 16c disposed at the unloading position. The moving speed of the conveying belt 14 is faster than the moving speed of the conveying claw 12, and the body H conveyed onto the guide plate 16 c is carried into a not-illustrated saddle binding machine by the conveying claw 12 when conveyed to the roller 1. The saddle-stitching bookbinding machine holds the main body H as it is with a clamp plate, and binds the lower end surface of the main body H that has been changed by the rotation of the roller 1 by binding.
[0015]
When the main body H transported by the transport claws 12 is not rotated, the power transmission chain 15 is removed from the drive sprocket 13 by a clutch or the like, and the roller 1 moves the grip rods 8a and 8b and the support pin 9 as shown in FIG. It stops in a state where it is located at a predetermined position retracted from the conveyance path, and in this example, the conveyance belt 14 is stopped. In this case, the guide plate 16b is disposed, and the body H that has passed through the surface of the roller 1 is slid onto the guide plate 16b and conveyed onto the guide plate 16c disposed at the unloading position. It is carried into a non-illustrated perfect binding machine. The perfect binding machine holds the loaded body H as it is with a clamp plate, and binds the lower end surface of the body H with glue. In addition, instead of the insertable / removable guide plate 16c, the roller 1 side end of the conveying belt 14 may be raised and conveyed by the conveying belt 14.
[0016]
【The invention's effect】
As described above, according to the present invention, it is possible to mechanically change the end surface of the main body that is to be bound by itself without deteriorating the bookbinding processing efficiency in the course of conveyance. There is an effect that can be reduced.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a configuration of a body rotation device according to an embodiment of the present invention.
2 is an operation explanatory diagram of the body rotation device of FIG. 1. FIG.
FIG. 3 is an explanatory diagram showing a state of conveyance of the body when the body rotation device of FIG. 1 is used.
4 is an explanatory view showing a state of conveyance of the body when the body rotation device of FIG. 1 is not used. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Roller 2 Width adjustment ring 3 Rotation drive shaft 4a, 4b Cam 5a, 5b Cam lever 6a, 6b Follower 7a, 7b Spring 8a, 8b Grip rod 9 Support pin 10 Machine frame 11 Transport chain 12 Transport claw 13 Drive sprocket 14 Transport belt 15 Power transmission chain 16a, 16b, 16c Guide plate

Claims (1)

A roller that contacts the lower end surface of the body to be conveyed, a drive shaft that is supported by the machine frames on both sides and rotationally drives the rollers, and that one end edge is a cam surface and the other end edge is fixed to the machine frames on both sides. Cylindrical cams arranged on both sides of the roller through which the drive shaft is inserted, a cam follower that abuts the cam surface of the cam at one end, a grip rod is attached to the other end, and a central portion rotates about the drive shaft A cam lever disposed on both sides of the roller that is freely attached, one end fixed to the drive shaft, the other end fixed to the cam lever, and a cam follower of the cam lever pressed against the cam surface of the cam. a spring for energizing, is fixed to the side surface of the roller and a support pin extending across the upper outer surface of the roller, when the book block is conveyed on the outer surface of said roller, said cam lever associated with rotation of the drive shaft With sandwiching the book block by narrowing between the tip of the opposite sides of the grip rod swing support the rear end of the book block with the support pin, rotating the book block with the rotation of the roller due to the rotation of the drive shaft A body binding device for binding a booklet, wherein the end face of the body to be bound is changed.

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