JP2001270266A - Apparatus for grinding edge face of book - Google Patents

Abstract

PROBLEM TO BE SOLVED: To freely adjust a grinding amount according to the state of a book to be ground. SOLUTION: A grinding drum 3 rotating around a horizontal shaft is fitted to a grinding stand 2. A book clamping mechanism 7 reciprocating by passing on a grinding drum 3 is arranged on the grinding stand 2. A book 6 is clamped to a book-clamping mechanism 7 by using a clamping cylinder 16 and a clamping plate 15. The book clamping mechanism 7 is reciprocated by driving a driving cylinder 7. The book clamping mechanism 7 is reciprocated by driving a transfer cylinder 13. A reference stand 18 is provided at a book clamping position of the grinding stand 2, an eccentric cam 21 is provided below the reference stand 18, and the reference stand 18 is allowed to rise and fall by pivoting of the eccentric cam 21. A worm wheel 22 is provided integrally with the eccentric core cam 21, and the worm wheel 22 is engaged with a worm gear 24. When the worm gear 24 is rotated by an adjusting handle 25 via the drive rod 24, the reference stand 18 rises and falls, and the grinding amount of the book 6 can be adjusted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a book end face polishing apparatus for polishing an end face of a book mainly for beautifying and reproducing an old book, and more particularly to a book end face polishing apparatus capable of freely adjusting a polishing amount of a book end face. About.

[0002]

2. Description of the Related Art In general, when selling an old book, it is common practice to grind the end face of the book in order to beautify and reproduce it. A polishing table having a polishing drum that is driven to rotate around the table; and a book clamp mechanism that is attached to the polishing table and moves on the polishing drum in a state where an arbitrary number of books are clamped to grind an end surface of the book. Book end surface polishing apparatuses are known. The present inventors have also disclosed in Japanese Patent Application No. 7-28.
No. 4318 proposes a book clamping device applied to this type of device.

[0003]

In the conventional book end surface polishing apparatus of this type, the polishing amount of the book end surface is fixed to a predetermined value in the design stage, and it is impossible for the user to adjust the polishing amount. It is customary to have a simple structure.

[0004] However, depending on the state of the book to be polished, it is sufficient to polish about 0.1 mm, and conversely, the polishing effect cannot be obtained unless it is polished about 0.5 mm. For this reason, conventionally, there is a problem that polishing is performed more than necessary, or polishing is insufficient, and the polishing operation must be performed many times.

The present invention has been made in view of such a situation, and an object of the present invention is to provide a book end surface polishing apparatus capable of adjusting a polishing amount according to a state of a book to be polished by a user.

Another object of the present invention is to provide a book end surface polishing apparatus capable of easily adjusting a polishing amount.

It is still another object of the present invention to provide a book end surface polishing apparatus which can easily and accurately adjust the amount of polishing without requiring skill for adjusting the amount of polishing.

[0008]

According to the present invention, there is provided a polishing table having a polishing drum driven to rotate about a substantially horizontal axis, and an arbitrary number of books disposed on the polishing table. A book clamp mechanism for polishing the end face of the book by moving on the polishing drum in a clamped state, and polishing the end face of the book by moving up and down on the polishing table below the book clamp position by the book clamp mechanism; A polishing amount adjusting mechanism for adjusting the amount is provided. Thus, the user can adjust the polishing amount in accordance with the state of the book to be polished by simply clamping the book with the book clamping mechanism while the polishing amount is adjusted by the polishing amount adjusting mechanism. .

The present invention is also characterized in that the polishing amount adjusting mechanism comprises a reference base for raising and lowering the polishing amount to adjust the polishing amount, and an elevating drive mechanism for driving the reference base up and down. Thus, when the lifting drive mechanism is driven, the reference table is raised and lowered, and the polishing amount can be easily adjusted.

According to the present invention, the lifting drive mechanism is constituted by an eccentric cam that rotates about a horizontal axis to raise and lower the reference table, and a gear mechanism that rotates the eccentric cam forward and backward. It is characterized by the following. This makes it possible to move the reference base up and down smoothly by turning the eccentric cam, and it is possible to freely adjust the fine adjustment amount simply by replacing the eccentric cam with a different eccentric amount. Becomes

According to the present invention, the elevation drive mechanism is provided between a spring for urging the reference table upward and a reference section and a fixed portion below the reference table, and adjusts the position of the reference table by screwing adjustment. It is characterized by comprising a screw member. Thus, the structure of the lifting drive mechanism can be simplified, and the cost can be reduced.

According to the present invention, the lifting drive mechanism comprises a wedge member for raising and lowering the reference base by sliding in a horizontal direction, and a drive mechanism for driving the wedge member. It is characterized by. And this gives
By adjusting the inclination angle of the inclined surface of the wedge member, the fine adjustment amount can be easily adjusted.

The present invention is further characterized in that the lifting drive mechanism is provided with a display unit for converting the operation amount into the lifting amount of the reference base and displaying the converted amount. Thus, even an amateur can easily confirm the amount of elevation of the reference platform, and does not require any skill in the work.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIGS. 1 to 3 show a book end face polishing apparatus according to a first embodiment of the present invention. This book end face polishing apparatus 1 has a polishing drum 3 having a polishing drum 3 rotatable about a substantially horizontal axis. The polishing drum 3
Is connected to a motor 4 installed in the polishing table 2 via an endless belt 5, and is driven to rotate in a predetermined direction.

As shown in FIGS. 1 to 3, a book clamp mechanism 7 is provided on the upper surface side of the polishing table 2 so as to be capable of moving an arbitrary number of books 6 in the left-right direction while clamping the books 6. The book clamp mechanism 7 grinds the end face of the book 6 being clamped when moving in the left-right direction and passing over the polishing drum 3.

As shown in FIGS. 1 to 3, the book clamping mechanism 7 has a base frame 8 including a front end plate 9, a rear end plate 10, and side plates 11 on both sides.
It is slidably engaged with a guide rail 12 installed on the polishing table 2. The front end plate 9 is connected to a rod 13 a of a moving cylinder 13 installed on the polishing table 2, and the base frame 8 is moved along the guide rail 12 by the expansion and contraction operation of the moving cylinder 13. It has become.

Also, in the base frame 8, FIGS.
As shown in FIG. 1, a clamp plate 15 slidable in the direction toward and away from the front end plate 9 along the guide rod 14 is provided. The clamp plate 15 is provided with a clamp cylinder 16 fixed to the rear end plate 10. The rod 16a is connected, and the clamp plate 15 slides along the guide rod 14 by the expansion and contraction operation of the clamp cylinder 16. The book 6 is provided with the clamp plate 15
And the front end plate 9 is clamped.

As shown in FIGS. 1 to 3, a polishing amount adjusting mechanism 17 for adjusting the lower end position of the book 6 when the book 6 is clamped by the book clamping mechanism 7, as shown in FIGS.
The polishing amount adjusting mechanism 17 includes a reference table 18 and an elevating drive mechanism 19 that drives the reference table 18 up and down.
It is composed of

That is, as shown in FIG. 1 and FIG. 3, the elevating guide hole 2 is located immediately below the book clamp of the polishing table 2.
0 is provided, and a reference table 18 is fitted into the elevating guide hole 20 so as to be able to elevate and lower. The book 6 to be clamped by the book clamping mechanism 7 is clamped while being placed on the reference table 18.

On the other hand, as shown in FIGS. 1 and 3, the elevation drive mechanism 19 includes an eccentric cam 21 which is detachably disposed at the bottom of the elevation guide hole 20 and is rotatable about a horizontal axis. The reference base 18 is provided with the eccentric cam 2.
By the rotation of 1, the ascending and descending inside the ascending and descending guide hole 20 is performed. At this time, the reference table 18 may be linked to the eccentric cam 21 only by its own weight, but more preferably, the reference table 18 is always biased toward the eccentric cam 21 by a spring force. It is desirable.

As shown in FIGS. 1 and 3, a worm wheel 22 is coaxially mounted on the eccentric cam 21, and a worm gear 23 in an orthogonal direction is engaged with the worm wheel 22. A drive rod 24 is coaxially mounted on the worm gear 23, and an adjusting handle 25 is mounted at a position where the drive rod 24 protrudes from the polishing table 2. By rotating the adjustment handle 25 forward and backward, the rotational force is transmitted to the eccentric cam 21 via the drive rod 24, the worm gear 23 and the worm wheel 22, and the reference table 18 is moved up and down by the rotation. It has become.

As shown in FIGS. 1 and 3, the operation amount of the adjustment handle 25 is
A display scale 26 is provided for converting the display scale into a vertical movement amount and displaying the reference scale 18 by visually checking the display scale 26 and operating the adjustment handle 25.
, That is, the polishing amount of the book 6 can be directly known.

Next, the operation of the present embodiment will be described. FIGS. 1 and 2 show a state where the book clamp mechanism 7 is at a position when the book 6 is clamped, that is, at a book clamp position, and this state is an initial state of the book clamp mechanism 7. Then, in this state, the clamp cylinder 16 is contracted and the clamp plate 15 and the front end plate 9 are moved.
After that, the book cylinder 6 is inserted, and the clamp cylinder 16 is extended. Thus, the book 6 is clamped by the book clamp mechanism 7.

When the book 6 is inserted between the clamp plate 15 and the front end plate 9 for clamping, the inserted book 6 is placed on the reference table 18. Accordingly, if the reference drive 18 is moved up and down by operating the elevation drive mechanism 19 after or before inserting the book 6, the clamp position of the book 6 can be adjusted in the vertical direction.

After the book 6 is clamped in this way, the moving cylinder 13 is operated to extend and contract. This allows
When the book clamp mechanism 7 reciprocates on the polishing table 2 and passes over the polishing drum 3, the book 6 is polished. Since the polishing drum 3 is fixed and the reference table 18 can be moved up and down, the polishing amount at this time is the same as the vertical adjustment amount of the reference table 18.

By adjusting the amount of elevation of the reference table 18 in accordance with the state of the book 6, the required amount of polishing can be performed in one polishing operation. There is no problem such as excessive polishing, or conversely, the polishing amount is insufficient and the polishing operation must be repeated many times.

The adjusting handle 25 is provided with a display scale 26 for converting the amount of operation of the adjusting handle 25 into the amount of elevation of the reference table 18 and displaying it, so that even a layman can easily and accurately adjust the amount of polishing. Work can be done without skill.

FIG. 4 shows a second embodiment of the present invention, in which a polishing amount adjusting mechanism 27 is used in place of the polishing amount adjusting mechanism 17 in the first embodiment. .

That is, as shown in FIG. 4, the polishing amount adjusting mechanism 27 includes a reference table 28 disposed immediately below the book clamp of the polishing table 2 and an elevating drive mechanism 29 for driving the reference table 28 up and down. It is composed of

As shown in FIG. 4, the reference table 28 can be moved up and down by using a guide pin 30 as a guide. On the lower surface side of the reference table 28, a spring for constantly urging the reference table 28 upward is provided. An adjustment screw 32 is provided on the upper surface side of the reference stand 28 and penetrates the reference stand 28 and is screwed to a fixed portion below the reference stand 28. The spring 31 and the adjusting screw 32 constitute an elevating drive mechanism 29, and the reference base 28 can be moved up and down by adjusting the screw advance of the adjusting screw 32.

As shown in FIG. 4, a graduation needle 33 protruding above the polishing table 2 is attached to the reference table 28. On the other hand, at a position adjacent to the graduation needle 33 of the polishing table 2, A scale plate 34 is provided upright. And the reference platform 28
Can be directly visually confirmed by the scale plate 34 and the scale needle 33. In other respects, the configuration is the same as that of the first embodiment, and the operation is the same.

However, by using the lifting mechanism 29, the structure can be simplified and the cost can be reduced, which is suitable when applied to an inexpensive and small device.

FIG. 5 shows a third embodiment of the present invention. The lifting drive mechanism 1 according to the first embodiment is shown in FIG.
In place of 9, a lifting drive mechanism 39 is used.

That is, the lifting / lowering drive mechanism 39 is configured as shown in FIG.
As shown in FIG. 5, an inclined plate 40 which is detachably attached to the lower surface of the reference base 18 and has a lower surface forming an inclined surface, and a wedge which is arranged on the lower surface side of the inclined plate 40 and whose upper inclined surface contacts the inclined plate 40. A member 41 and a drive cylinder 42 for sliding the wedge member 41 in the horizontal direction are provided. By driving the drive cylinder 42 to slide the wedge member 41,
The reference table 18 can be moved up and down.

As shown in FIG. 5, the drive cylinder 42 is provided with a display 43 for converting the sliding amount of the wedge member 41 into the amount of elevation of the reference base 18 and displaying the converted amount. By operating the drive cylinder 42 while checking the contents displayed on the display 43, the required polishing amount can be easily obtained. In other respects, the configuration is the same as that of the first embodiment, and the operation is the same.

Thus, the same effect as that of the first embodiment can be obtained by using the lifting drive mechanism 39.

In each of the above embodiments, the case where the base frame 8 is driven by the movable cylinder 13 has been described. However, the user may manually move the base frame 8. The same applies to the clamping operation of the book 6 using the clamp cylinder 16.

The present invention is not limited to the above-described embodiments. For example, any structure may be used as long as the polishing amount can be adjusted at the clamp position of the book 6 by using a polishing amount adjusting mechanism. However, it can be used.

[0039]

As described above, according to the present invention, there is provided a polishing table having a polishing drum which is driven to rotate about a substantially horizontal axis, and a method in which an arbitrary number of books arranged on the polishing table are clamped. A book clamping mechanism that moves on a polishing drum to grind the end surface of a book, and the polishing table is positioned below the book clamping position by the book clamping mechanism and moves up and down to adjust the amount of polishing of the book end surface. Since the amount adjustment mechanism is provided, the user adjusts the amount of polishing according to the state of the book to be polished by the user simply by clamping the book with the book clamping mechanism while the amount of polishing is adjusted by the amount of polishing adjustment mechanism. Can be adjusted.

In the present invention, the polishing amount adjusting mechanism is constituted by a reference table for adjusting the polishing amount by moving up and down, and an elevating drive mechanism for driving the reference table up and down. When driven, the reference table moves up and down, and the polishing amount can be easily adjusted.

According to the present invention, the lifting drive mechanism is constituted by an eccentric cam that rotates about a horizontal axis to raise and lower the reference table, and a gear mechanism that rotates the eccentric cam forward and reverse. Therefore, the reference base can be smoothly moved up and down by rotating the eccentric cam, and the fine adjustment amount can be freely adjusted only by replacing the eccentric cam having a different eccentric amount.

According to the present invention, the elevation drive mechanism is arranged between the spring for urging the reference base upward and the reference base and a fixed portion below the reference base, and adjusts the position of the reference base by screwing adjustment. Since it is constituted by the screw member, the structure of the lifting drive mechanism can be simplified, and the cost can be reduced.

According to the present invention, the lifting drive mechanism is composed of a wedge member for raising and lowering the reference table by sliding in a horizontal direction with an upper surface forming an inclined surface, and a drive mechanism for driving the wedge member. Therefore, the fine adjustment amount can be easily adjusted by adjusting the inclination angle of the inclined surface of the wedge member.

Further, according to the present invention, since the elevation drive mechanism is provided with a display section for converting the operation amount into the elevation amount of the reference base and displaying the same, even an amateur can easily confirm the elevation amount of the reference base. It does not require skill to work.

[Brief description of the drawings]

FIG. 1 is a configuration diagram illustrating a book end surface polishing apparatus according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram of FIG. 1 as viewed from above.

FIG. 3 shows a state in which the book has passed over the polishing drum.
FIG.

FIG. 4 is a main part configuration diagram showing a second embodiment of the present invention.

FIG. 5 is a main part configuration diagram showing a third embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Book end surface grinding device 2 Polishing table 3 Polishing drum 4 Motor 6 Book 7 Book clamp mechanism 8 Base frame 9 Front end plate 10 Rear end plate 11 Side plate 12 Guide rail 13 Moving cylinder 14 Guide rod 15 Clamp plate 16 Clamp cylinder 17, Polishing Amount adjusting mechanism 18, 28 Reference table 19, 29, 39 Elevating drive mechanism 20 Elevating guide hole 21 Eccentric cam 22 Worm wheel 23 Worm gear 24 Drive rod 25 Adjustment handle 26 Display scale 30 Guide pin 31 Spring 32 Adjustment screw 33 Scale needle 34 Scale plate 40 Inclined plate 41 Wedge member 42 Drive cylinder 43 Indicator

Claims (6)

[Claims] 1. A polishing table having a polishing drum that is driven to rotate about a substantially horizontal axis, and a book placed on the polishing table and moved on the polishing drum in a state where an arbitrary number of books are clamped. A book clamp mechanism for polishing an end face, wherein the polishing table is provided with a polishing amount adjusting mechanism that is positioned below a book clamp position by the book clamp mechanism and moves up and down to adjust the polishing amount of the book end face. An end-face polishing apparatus for books. 2. The end face of a book according to claim 1, wherein the polishing amount adjusting mechanism includes a reference base for raising and lowering the polishing amount to adjust the polishing amount, and an elevating drive mechanism for driving the reference base up and down. Polishing equipment. 3. The lifting drive mechanism includes an eccentric cam that rotates about a horizontal axis to raise and lower a reference base, and a gear mechanism that rotates the eccentric cam forward and backward. The book end surface polishing apparatus according to claim 2. 4. A lifting drive mechanism comprising: a spring for urging a reference base upward; and a screw member disposed between the reference base and a fixed portion thereunder for adjusting the position of the reference base by screwing adjustment. The book end surface polishing apparatus according to claim 2, further comprising: 5. A lifting drive mechanism comprising: a wedge member for raising and lowering a reference base by sliding in a horizontal direction with an upper surface forming an inclined surface; and a drive mechanism for driving the wedge member. Item 3. A book end surface polishing apparatus according to Item 2. 6. The book end surface polishing apparatus according to claim 2, wherein the lifting drive mechanism has a display unit for converting the operation amount into a lifting amount of the reference base and displaying the converted amount. apparatus.