JP2002210204A - Ball lifting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ball lifting device facilitated in installation by giving a sufficient tensile force to an abrasive belt. SOLUTION: An upper fixing device 17 is provided with a slide member 25 to be moved in the vertical direction and to be changed between the abrasive belt pinching condition and the belt non-pinching condition, and a lock member 33 and a lock piece 37 for fixing the slide member 25 at a position after moving it upward. When fixing an upper side of the abrasive belt to the upper fixing device 17, the slide member 25 for pinching the abrasive belt is moved upward, and thereafter, the slide member 25 is fixed by the lock member 33 and the lock piece 37, and the abrasive belt can be pinched by the slide member 25. With this structure, the work for maintaining the slide member 25 above is unnecessary, and a plurality of works for pinching the abrasive belt and for maintaining the abrasive belt over the slide member 25 are not necessary to be done at the same time, and fixation of the abrasive belt to the upper fixing device 17 can be securely and easily performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveyor belt which is rotated between a plurality of rollers rotated by a driving source,
A polishing belt that is mounted so as to span a guide rail that is installed facing the outer peripheral surface of the transport belt, and a lower fixing device that is installed on the outer surface of the guide rail and fixes a lower side of the polishing belt; An upper fixing device installed on an outer surface of the guide rail and fixing an upper side of the polishing belt.

[0002]

2. Description of the Related Art Conventionally, a ball lifting device for lifting pachinko balls includes a conveyor belt (skin belt) circling a roller rotated by a drive source, and upper and lower ends of a guide rail opposed to the conveyor belt. Abrasive belt (cloth belt) worn over
There is also known a method in which a pachinko ball is sandwiched between the two to be transported. Usually, the polishing belt of such a ball doffing device holds and fixes the upper and lower ends of the polishing belt on the outer surface of the guide rail. The length of the pachinko ball is affected by the pinched pachinko balls, and the polishing belt that extends above the ball lifting device may be dubbed. For this reason, as disclosed in Japanese Patent Application Laid-Open No. 9-730, there is provided a doffing and feeding device which can constantly pull the polishing belt to eliminate the dub of the polishing belt and keep the polishing belt always in a tensioned state. Proposed. This doffing and feeding device is provided with an upper fixing device that constantly urges the upper end of the polishing belt downward on the outer surface of the guide rail, so as to keep the polishing belt in a tensioned state. The upper fixing device includes a pin formed by projecting from the outer surface of the guide rail, a slide plate having an elongated hole through which the pin is formed, and a polishing belt formed at an upper end of the slide plate to clamp and fix the polishing belt. And a biasing member for biasing the slide plate downward.

[0003]

However, when the above-described upper fixing device is actually used, it is necessary to hold the slide plate upward while maintaining the slide plate at a position against the urging member. Section must hold the upper end of the polishing belt. As described above, it is difficult to hold the polishing belt by performing both operations at the same time, even if both operations are performed. In addition, since the clamping work is difficult, even if the polishing belt is somehow mounted, the mounted polishing belt may be mounted without sufficient tension being applied. However, there is a problem in that when the doffing and feeding device is driven, a dub occurs. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a doffing and feeding device that can easily attach a polishing belt with sufficient tension. is there.

[0004]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a transport belt which is rotated between a plurality of rollers rotated by a driving source, and an outer peripheral surface of the transport belt. A polishing belt that is mounted across a guide rail that is installed facing the surface, a lower fixing device that is installed on an outer surface of the guide rail and fixes a lower side of the polishing belt, and an outer surface of the guide rail. And an upper fixing device for fixing an upper side of the polishing belt, wherein the upper fixing device is movable in a vertical direction, and the polishing belt is in a non-clipping state and a clamping state. And a slide member fixing means for fixing the slide member at a position moved upward. With this configuration, when the upper side of the polishing belt is fixed to the upper fixing device, the slide member that holds the polishing belt is moved upward, and then the slide member is fixed by the slide member fixing means, and then the polishing is performed. The belt can be held between the slide members. This eliminates the need for the operation of maintaining the slide member above, and eliminates the need to simultaneously perform a plurality of operations, such as holding the polishing belt and maintaining the slide member above, so that the polishing belt is fixed to the upper fixing device. It can be performed reliably and easily.

In the invention according to claim 2, the upper fixing device is provided with an urging member for urging the slide member downward. With this configuration, the slide member holding the polishing belt can be urged downward, so that the polishing belt can be prevented from being dubbed.

Further, in the invention according to claim 3, the slide member fixing means locks the locking piece provided at the slide member with the locking piece at a position where the slide member is moved upward. And a locking member that performs the locking. With this configuration, the slide member can be fixed with a simple structure, the apparatus can be simplified, and the number of components can be minimized, so that manufacturing costs can be reduced.

Further, in the invention according to claim 4, the locking piece is automatically locked to the locking member when it reaches a position where the slide member moved upward is fixed. It is characterized by the following. With this configuration, when the slide member that has been moved upward reaches the position where the slide member is fixed, the slide member is automatically fixed without performing an operation for fixing the slide member. The operation of fixing the slide member can be easily performed simply by moving the member.

Further, in the invention according to claim 5, the upper fixing device includes a base member to which the slide member is mounted so as to be movable in a vertical direction and is fixed to an outer surface of the guide rail. It is assumed that. With such a configuration, conventionally, the adjustment work that has been performed after mounting the slide member on the guide rail, for example,
The adjustment of the movement of the slide member in the up-down direction and the adjustment of backlash due to the tolerance of component dimensions can be performed in advance before the slide member is mounted on the guide rail, so that the workability can be improved.

In the invention according to claim 6, the locking member and the biasing member are mounted on the base member. With this configuration, all the members constituting the upper fixing device are mounted on the base member. Therefore, work that has been performed after mounting the upper fixing device on the guide rail in the past, for example, biasing Work such as mounting while adjusting the biasing force of the members can be performed in advance before mounting the upper fixing device on the guide rail, so that workability can be improved, and only the base member is mounted on the guide rail. Then, the mounting of the upper fixing device is completed.

Further, in the invention according to claim 7, the slide member includes a slide base on which a first holding piece projects from a surface on which the polishing belt is held, and a shaft on one end side of the slide base. An opening / closing member which is supported and a second holding piece projects on a surface on which the polishing belt is held,
At least one of the first holding piece and the second holding piece is formed such that a protruding height on a side where the opening / closing member is pivotally supported is lower than a protruding height on the other end side. Things. With this configuration, the polishing belt comes into contact with the first holding piece and the second holding piece and is pinched in a meandering manner, so that the polishing belt can be pinched by the slide member in a strong state.

[0011] Further, at least one of the first holding piece and the second holding piece is formed such that the protruding height at the side where the opening / closing member is pivotally supported is lower than the protruding height at the other end side. When the member is closed to hold the polishing belt, the polishing belt is not drawn to one end side, so that the polishing belt is held by the slide member without displacement.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. First, the overall configuration of a doffing and feeding device 1 that forms a main part of the present embodiment will be described with reference to FIG. FIG. 1 is a perspective view of the doffing apparatus 1 as viewed from the rear.

Referring to FIG. 1, a doffing and feeding apparatus 1 has a lifting cylinder main body 3 made of the same material as the support 2 and is vertically erected on a support 2 made of a thick steel plate. A leather conveyor belt 4 stretched between a lower driving roller (not shown) located at the lower portion of the lifting cylinder main body 3 and an upper roller (not shown) located at the upper portion circulates around the periphery of the lifting cylinder main body 3. It is supposed to. The lifting cylinder main body 3 has a rectangular cross section with one side open, and a lifting cylinder cover (not shown) is attached to this opening surface with mounting screws. The lifting cylinder cover is fixed so as to cover the opening surface of the lifting cylinder main body 3 over the entire length of the lifting cylinder main body 3, and is used when repairing or replacing the upper roller, the lower roller, etc. In the event of a trouble inside the main body 3, the lifting tube cover can be removed for repair and replacement work, or for dealing with the trouble.

The conveyor belt 4 is driven to rotate around the body 3 by rotation of a lower roller built in a motor. In order to apply tension to the transport belt 4, a tension roller mechanism 5 including a first tension roller 6, a second tension roller 7, and a third tension roller 8, which the transport belt 4 alternately contacts, is connected to the lifting cylinder main body 3. Attached to the bottom of the The first tension roller 6 and the third tension roller 8 of the tension roller mechanism 5 can be opened and closed, and are mainly operated when the transport belt 4 is replaced. An introduction gutter 9 for fixing the incoming pachinko balls in a plurality of rows is fixed to a lower portion of the lifting cylinder main body 3, and a pachinko ball after ball polishing is discharged to an upper portion of the lifting cylinder main body 3. Outlet 1
1 is formed.

The pachinko balls that have flowed in from the introduction gutter 9 are then discharged from the discharge port 11 after being transported by the conveyor belt 4, and in the process of being transported to the guide rails 21 described below. The dirt attached to the pachinko balls is wiped off by the frictional force with the peripherally provided polishing belt 16, and the cleaned pachinko balls are discharged from the discharge port 11. As shown in FIG. 1, an inclination adjusting bolt 10 for adjusting the inclination of the introduction gutter 9 is attached to the introduction gutter 9. A spring is provided around the inclination angle adjusting bolt 10 so that the pachinko balls are smoothly aligned even when an excessive force is applied to the introduction gutter 9 by the pachinko balls flowing inside. .

On the other hand, a guide rail 21 is openably and closably mounted on the rear side of the above-mentioned lifting cylinder main body 3 via a support hinge 15 attached to one side surface of the lifting cylinder main body 3. The support hinges 15 are provided at several places in the vertical direction of the lifting cylinder main body 3. On the other side surface of the lifting cylinder main body 3, a stopper 13 is provided with a stopper 1.
4 and is attached to the guide rail 21 at a position corresponding to the stopper 13.
An engagement protrusion 12 for locking the lock 3 is provided.

An upper fixing device 17 for fixing the upper side of the polishing belt 16 to the outer surface of the guide rail 21 is provided.
And a lower fixing device 18 for fixing the lower side of the polishing belt 16
A polishing belt roller (not shown) for folding and guiding the polishing belt 16 is provided at the upper end of the guide rail 21. Thus, the lower fixing device 18
The polishing belt 16 is fixed to the polishing belt roller around the guide rail 21 from the lower end of the guide rail 21, and is stretched and fixed to the upper fixing device 17.
The fixing of the polishing belt 16 by the upper fixing device 17 will be described later in detail.

As described above, the guide rail 21
Is attached to the lifting cylinder main body 3 so as to be openable and closable, so that the transfer belt 4 and the polishing belt 16 can be mounted on the ball lifting device 1 by moving the guide rail 21 around the fulcrum of the support hinge 15. This can be done by rotating and opening. The transport belt 4 and the polishing belt 16 are attached in this manner, and the lifting cylinder main body 3 and the guide rail 21 are locked by the stopper 13 with the guide rail 21 closed, so that the transport belt 4 and the polishing belt 16 are maintained facing each other. When the guide rail 21 is closed and locked by the stopper 13 in this manner, a gap is formed between the lifting cylinder main body 3 and the guide rail 21. By adjusting the fixing position of the locking fitting 14, its size can be set, and the pressure on the pachinko balls to be pumped can be changed according to the set value.

As described above, the guide rail 21 is closed with the conveyor belt 4 and the polishing belt 16 mounted thereon, and the stopper 13 is engaged with the engaging projection 12 to move the guide rail 21 to the lifting cylinder main body 3. After being attached to the conveyor belt 4
Is driven to rotate, the pachinko balls sandwiched between the transport belt 4 and the polishing belt 16 rise while the dirt is wiped off by the polishing belt 16.

At the end of the business, the lower fixing device 18 and the upper fixing device 17 are loosened so that the polishing belt 16 can be moved. Front belt storage box 19
The unused surface of the polishing belt 16 before use is stored on the inner surface of the guide rail 21. Thereafter, the lower fixing device 18 and the upper fixing device 17 are sequentially operated to engage the polishing belt 16. By stopping, preparation for polishing the next day is completed. At this time, the used polishing belt 16 is stored in the used belt storage box 20. The winding operation of the polishing belt 16 can be performed with the guide rail 21 opened from the lifting cylinder main body 3 or with the guide rail 21 closed. In this case, it is necessary to perform the operation in a state where the guide rail 21 is opened from the lifting cylinder main body 3.

The outline of the doffing and feeding device 1 has been described above. Next, the upper fixing device 17 and the lower fixing device 18 constituting the main parts of the present embodiment will be described with reference to FIGS. . 2 is an exploded perspective view showing the entire upper fixing device 17, FIG. 3 is a perspective view of the lower fixing device 18, FIG. 4 is a cross-sectional view showing opening and closing of the slide member 25, and FIG. FIG. 6 is a side view of the upper fixing device 17 showing a state where the slide member 25 is lowered. FIG. 6 shows a state where the slide member 25 is fixed upward by the slide member fixing means and the opening / closing member 27 is opened. FIG. 7 is a side view of the upper fixing device 17, and FIG. 7 is a view of the upper fixing device 17 showing a state in which the polishing belt 16 is sandwiched by the slide member 25 and the locking of the locking pieces 37 to the locking members 33 is released. FIG. 8 is a side cross-sectional view of the slide member 25 showing a state in which the polishing belt 16 is held between the slide base 26 and the opening / closing member 27.

First, the configuration of the upper fixing device 17 will be described. In FIG. 2, an upper fixing device 17 includes a slide member 25 for holding the polishing belt 16, a base member 24 on which the slide member 25 is movably mounted in a vertical direction, and which is fixed to an outer surface of the guide rail 21. Locking member 33 and locking piece 37 as a slide member fixing means for fixing the slide member 25 upward, and the slide member 25
Spring 51 as an urging member for urging the blade downward
And is composed of

The slide member 25 is composed of a slide base 26 serving as a base of the slide member 25, and an opening / closing member 27 that can be freely opened and closed via a hinge 50 mounted on one side of the slide base 26. ing.

The slide base 26 has a first holding piece 36 having a substantially U-shaped vertical cross section inside a box base 35 formed in a box shape having an open front surface such that the open side is on the outside. It is constituted by attaching to. At the upper part of the base base 35, a locking piece 37 having a substantially S-shaped vertical section is provided.
The locking projection 38 is attached so as to face the open side of the base base 35, and a spring attachment piece 39 having a substantially L-shaped vertical section is attached to a lower portion of the base base 35. The spring mounting piece 39 includes the slide base 2
A spring mounting projection 40 for mounting the biasing spring 51 is provided to project toward the open side of 6. On both sides of the base 35, two upper and lower mounting screw holes 42 are formed, and one upper and lower mounting screw hole 4 is formed on one side.
2, the hinge 50 is attached as described above, and between the upper and lower mounting screw holes 42 on the other side, the side wall is bent inward to form the locking portion 41. I have.

The opening / closing member 27 is formed by attaching a second holding piece 44 also having a substantially U-shaped vertical section to the inner surface of an opening / closing base 43 having a substantially U-shaped vertical section. A pressing portion insertion hole 49 is formed in the outer surface of the opening / closing base 43 (see FIG. 3). Also, the second holding piece 44
Is formed such that the protrusion height on the hinge 50 side is lower than the protrusion height on the other end side, that is, H ′> H in FIG. 4A. The difference between the heights of the protrusions at both ends of the second holding piece 44 is set to such an extent that the polishing belt 16 is firmly held, for example, about 5 mm.

As shown in FIG. 4, a locking projection 45b and a circularly projecting pressing portion 48 (see FIG. 3) are integrally formed between the opening / closing base 43 and the second holding piece 44. The locking lever 45a is interposed. Lock lever 45a
4A, when interposed between the opening / closing base 43 and the second holding piece 44, as shown in FIG. 4A, the locking projection 45b and the slope 46 protrude outward on the side of the opening / closing member 27. The pressing portion 48 faces the outside of the opening / closing member 27 from the pressing portion insertion hole 49. In the locking lever 45a, a pressing portion 48 is urged outward from the opening / closing member 27 by a pressing spring 47 mounted inside the opening / closing member 27.

The base member 24 is formed by bending the plate members upward and superimposing them so that the thickness from the upper end to substantially the center in the vertical direction becomes the thickness of two plate members.
Both sides of the bent plate material on the slide member 25 side are
Further, it is bent toward the slide member 25 to form the stay fixing flange 29, while both sides of the bent plate material on the guide rail 21 side are further bent toward the guide rail 21 to form the mounting flange 28. A sliding stay 31 is attached to the outside of the stay fixing flange 29 at an interval from the stay fixing flange 29, and the sliding stay 31 is provided with a sliding long hole 32 in a vertical direction. . The mounting flange 28 is provided with two base member mounting holes 30 at upper and lower positions. Also,
A locking member 33 is attached to the upper central portion of the base member 24 on the slide member 25 side, and a locking recess 34 is formed below the locking member 33 on the base member 24 side. Further, a spring mounting protrusion 40 is provided at the lower central portion of the base member 24 in the same manner as the spring mounting piece 39 of the slide member 25.

The upper fixing device 17 is assembled as follows. First, after inserting the slide member 25 between the left and right slide stays 31, the slide member 25 is inserted into the elongated slide hole 32 and the slide member mounting screw 54 is inserted into the mounting screw hole 42, so that the slide member 25 is attached to the base member 24.
Attach to In this case, the slide member mounting screw 54
Can slide in the sliding elongated hole 32, so that the slide member 25 is slidably attached to the base member 24. As shown in FIG. 2, the slide member mounting screw 54 is screwed into a mounting screw hole 42 formed in an upper portion on the side of the base base 35. Alternatively, it may be screwed into a mounting screw hole 42 formed in a lower portion on the side of the base 35 by the tension of the urging spring 51 or the like.

After the slide member 25 is mounted on the base member 24, the mounting portions at both ends of the biasing spring 51 are inserted into the spring mounting projections 40 of the slide member 25 and the base member 24, respectively, and the biasing spring mounting screw 55 is inserted. The urging spring 51 is attached by screwing to the spring attachment projection 40.

In order to mount the upper fixing device 17 assembled as described above on the guide rail 21, the guide rail 21 is positioned between the mounting flanges 28 on both sides of the base member 24, and the guide rail 21 is inserted into the base member mounting hole 30. The inserted base member mounting bolt 53 is screwed into a mounting screw hole (not shown) formed in the side surface of the guide rail 21. At this time, as shown in FIG.
It is inserted through the base member mounting holes 30 formed at the uppermost and lowermost portions of the mounting flange 28. Depending on the mounting position of the upper fixing device 17 or the mounting screw hole of the guide rail 21, The second base member mounting hole 30 from the top and the second from the bottom may be used.

Next, the lower fixing device 18 will be described with reference to FIG. In FIG. 3, the lower fixing device 18 is shown.
Is a fixing base 52 serving as a base of the lower fixing device 18, an opening / closing member 27 that can be freely opened and closed via a hinge 50 mounted on one side surface of the fixing base 52, And a mounting stay 56 for mounting the mounting bracket 56 on the main body. The fixing base 52 has exactly the same configuration as the slide base 26 of the upper fixing device 17 except that the locking pieces 37, the spring mounting pieces 39, and the spring mounting projections 40 are not mounted. , Opening and closing member 27 of upper fixing device 17
The configuration is exactly the same. The mounting stay 56 has a substantially Z-shaped cross section made of a plate material, and has a mounting hole 57 and a fixing hole 58 for mounting the lower fixing device 18 to the guide rail 21. Further, the lower fixing device 18 is different from the upper fixing device 17,
It is directly mounted on the guide rail 21 by the mounting stay 56 without passing through the base member 24, and is not movable in the vertical direction, but is fixed to the guide rail 21. Therefore, the base member 24 is attached to the lower fixing device 18.
And the biasing spring 51 does not exist.

The lower fixing device 18 constructed as described above
Is attached to the guide rail 21 as follows. First, the fixing stay 56 is attached to the fixing base 52 by screwing the fixing base mounting screw 59 inserted through the mounting hole 57 of the mounting stay 56 into the mounting screw hole 42 of the fixing base 52. Next, the mounting stay 5 attached to the lower fixing device 18 is used.
6, the guide rail 21 is positioned between the
The fixing bolt 60 inserted into the fixing hole 58 is screwed into a mounting screw hole (not shown) formed in the side surface of the guide rail 21 so that the lower fixing device 18
Attached to.

Next, a mechanism for opening and closing the upper fixing device 17 and the lower fixing device 18 attached to the guide rail 21 will be described with reference to FIG. Since the opening and closing mechanism is exactly the same for the upper fixing device 17 and the lower fixing device 18, the sliding member 25 of the upper fixing device 17 is used.
Will be described.

In the slide member 25, the opening / closing member 27
4A, the pressing portion 48 of the locking lever 45a is urged outward by the pressing spring 47, as shown in FIG. 4A. It faces the outside of the opening / closing member 27. Further, since the locking projection 45b protrudes from the side of the opening / closing member 27 and is locked to the locking portion 41 of the base 35, the opening / closing member 27 does not open. When the pressing portion 48 is pressed in this state, as shown in FIG.
Is buried in the opening and closing member 27 side, and the locking with the locking portion 41 is released, so that the opening and closing member 27 can be opened. When the opening / closing member 27 is open, the locking lever 45a is
The state is again the same as the state shown in FIG.

Next, when the opening / closing member 27 is closed, the locking portion 41 comes into contact with the slope portion 46 formed on the locking lever 45a.
1 and the locking projection 45b is gradually buried in the opening / closing member 27 side. When the opening / closing member 27 is completely closed, the locking projection 45b projects again, and the state shown in FIG. As described above, when the opening and closing member 27 is closed, the opening and closing member 2 can be closed without pressing the pressing portion 48.
7, the locking portion 41 and the locking projection 45b
Can be locked.

Next, the polishing belt 16 is attached to the upper fixing device 17.
The procedure for mounting is described with reference to FIGS. The upper fixing device 17 mounted on the guide rail 21 as described above is urged downward by an urging spring 51 as shown in FIG. Stopped at the abutting position. From this state, the slide member 25 is gradually moved upward, and when the slide member 25 reaches the upper side,
As shown in FIG. 6, the locking projection 38 of the locking piece 37 is locked by the locking recess 34 of the locking member 33, and the slide member 25 is fixed. As described above, simply by moving the slide member 25 upward, the locking piece 37 is automatically locked by the locking member 33, and the slide member 25 is fixed upward.

With the slide member 25 fixed upward, the opening / closing member 27 is opened as shown in FIG. The opening of the opening / closing member 27 is performed by pressing the pressing portion 48 to release the locking between the locking portion 41 and the locking protrusion 45b as described above. With the opening / closing member 27 opened, the polishing belt 16 is positioned on the front surface of the slide base 26 so as to cover the slide base 26. The polishing belt 16 is about 1
It has a length that can be used for a week, and the clamping method is the same both when the polishing belt 16 is replaced (first time) and when the polishing surface of the polishing belt 16 is renewed (second time and thereafter). Here, the case of updating the polished surface will be described.

At the time of polishing renewal, the polishing belt 16 positioned on the front surface of the slide base 26 is pulled downward, and the polishing belt 16 is used until the unused surface of the polishing belt 16 comes to the surface facing the conveyor belt 4. It is sent out sequentially from the storage box 19. When the unused surface of the polishing belt 16 comes to the surface facing the conveyor belt 4, the opened lower fixing device 18 is closed to fix the lower portion of the polishing belt 16 downward as shown in FIG. It is fixed to the device 18. After the lower portion of the polishing belt 16 is fixed to the lower fixing device 18, a tension is applied in advance by pulling the polishing belt 16 downward in order to reduce the amount of the polishing belt 16 extending. By closing the opening / closing member 27 with one hand while pulling the polishing belt 16 downward with one hand, the polishing belt 16 is placed between the slide base 26 and the opening / closing member 27 as shown in FIG. Will be pinched. When the opening / closing member 27 is closed,
Since the second holding piece 44 of the opening / closing member 27 fits into the opening of the first holding piece 36 of the slide base 26, the polishing belt 1
6 is sandwiched between the first holding piece 36 and the second holding piece 44, and has a meandering shape in the slide member 25 as shown in FIG. 7.

By moving the slide member 25 downward from this state, the locking piece 37 is disengaged from the locking member 33 as shown in FIG. 7, and the slide member 25 is urged downward by the urging spring 51. Therefore, the polishing belt 16
Is also pulled downward, and sufficient tension is given to the polishing belt 16.

As described above, the polishing belt 16 is sandwiched between the upper fixing device 17 and the lower fixing device 18, and is attached to the opening / closing member 27 of the upper fixing device 17 and the lower fixing device 18. As described above, the two holding pieces 44 are formed such that the protrusion height on the hinge 50 side is lower than the protrusion height on the other end side. With this configuration, the opening and closing member 27 is closed and the polishing belt 16 is closed.
Since the polishing belt 16 is not pulled toward one end when the sheet is sandwiched, the polishing belt 16 is pinched by the slide member 25 without being displaced. This will be described with reference to FIG. Since the second holding piece 44 is exactly the same in the upper fixing device 17 and the lower fixing device 18, the upper fixing device 17
The slide member 25 will be described.

First, in FIG. 8 (A), when the projecting height is the second holding piece 44 '(shown by a broken line) formed at the same height over the entire length (vertical direction in the figure), Member 2
When closing the polishing belt 16 by closing the polishing belt 7, the end of the second holding piece 44 'on the hinge 50 side abuts on the polishing belt 16 at the position indicated by a in FIG. Since the polishing belt 16 advances in the direction of the arrow as it is, the second holding piece 44
', And is shifted toward the hinge 50 side, and is finally pinched at the position shown in FIG.

On the other hand, in FIG. 8 (A), in the case of the second holding piece 44 (shown by a solid line) in which the protrusion height on the hinge 50 side is lower than the protrusion height on the other end side and formed shorter. The end of the second holding piece 44 on the hinge 50 side is a in FIG.
When the polishing belt 16 moves to the position indicated by b, the polishing belt 16 contacts the polishing belt 16 at the position indicated by d at a point d and continues to move until the polishing belt 16 moves to the position indicated by b. Move away from For this reason, the polishing belt 1
6 is not pushed only by the end of the second holding piece 44 on the hinge 50 side, returns to the original position, and
The entire holding piece 44 is pressed and finally held at the position shown in FIG. The second holding piece 44
Although the length is shorter than the length of the second holding piece 44 ', the same effect is exerted even if the length is the same and the projection height is different.

Although the doffing and feeding device 1 according to the embodiment has been described in detail above, in the present embodiment, the transport belt 4 that is circulated between a plurality of rollers rotated by a driving source, and the transport belt 4 A polishing belt 16 attached to and mounted on a guide rail 21 installed opposite to the outer peripheral surface of the guide belt; and a lower fixing device 18 installed on the outer surface of the guide rail 21 and fixing the lower side of the abrasive belt 16 And an upper fixing device 17 installed on the outer surface of the guide rail 21 and fixing the upper side of the polishing belt 16, the upper fixing device 17 moves vertically. Possible and abrasive belt 16
Member 2 that can change between a non-clamping state and a clamping state
And a locking member 33 as a slide member fixing means for fixing the slide member 25 at a position moved upward.
And a locking piece 37 is provided.
With this configuration, when the upper side of the polishing belt 16 is fixed to the upper fixing device 17, the slide member 25 that holds the polishing belt 16 is moved upward, and then the slide member 25 is used as a slide member fixing unit. After being fixed by the locking member 33 and the locking piece 37, the polishing belt 16 can be sandwiched by the slide member 25. For this reason,
There is no need to maintain the slide member 25 above,
Since it is not necessary to perform a plurality of operations such as holding the polishing belt 16 and maintaining it above the slide member 25 at the same time,
The polishing belt 16 can be reliably and easily fixed to the upper fixing device 17.

In the present embodiment, the upper fixing device 17 is provided with a biasing spring 51 as a biasing member for biasing the slide member 25 downward. With this configuration, the slide member 25 holding the polishing belt 16 can be urged downward, so that the polishing belt 16 can be prevented from being dubbed.

In this embodiment, the slide member fixing means engages the locking piece 37 provided on the slide member 25 with the locking piece 37 at a position where the slide member 25 is moved upward. And a locking member 33 for stopping. With this configuration, the slide member 25 can be fixed with a simple structure, the apparatus can be simplified, and the number of components can be minimized, so that the manufacturing cost can be reduced.

In this embodiment, when the locking piece 37 reaches a position where the slide member 25 moved upward is fixed, the locking piece 37 is automatically locked by the locking member 33. It is characterized by the following. With this configuration, when the slide member 25 that has been moved upward reaches the position where the slide member 25 is fixed, the slide member 25 is automatically fixed without performing an operation for fixing.
The fixing operation of the slide member 25 can be easily performed only by moving the slide member 25 with one hand.

In the present embodiment, the upper fixing device 17 includes a base member 24 to which the slide member 25 is mounted so as to be movable in the vertical direction and is fixed to the outer surface of the guide rail 21. It is a feature. With such a configuration, an adjustment operation conventionally performed after the slide member 25 is mounted on the guide rail 21, for example, an adjustment of the vertical movement of the slide member 25 or an adjustment of backlash due to a tolerance of component dimensions, and the like. Can be performed in advance before the slide member 25 is mounted on the guide rail 21, so that workability can be improved.

In the present embodiment, the base member 24 is provided with the locking member 33 and a biasing spring 51 as the biasing member. With such a configuration, all the members constituting the upper fixing device 17 are mounted on the base member 24. Therefore, the work that has been performed after mounting the upper fixing device 17 on the guide rail 21 conventionally, For example, work such as mounting while adjusting the urging force of the urging member can be performed in advance before the upper fixing device 17 is mounted on the guide rail 21, so that workability can be improved and the base member can be improved. The mounting of the upper fixing device 17 is completed only by attaching the 24 to the guide rail 21.

Further, in the present embodiment, the slide member 25 includes a slide base 26 from which a first holding piece 36 projects on a surface on which the polishing belt 16 is held, and one end side of the slide base 26. And the polishing belt 1
And an opening / closing member 27 from which a second holding piece 44 is projected on a surface on which the second holding piece 6 is held, and at least one of the first holding piece 36 and the second holding piece 44 The projection height on the side supported by the shaft is formed to be lower than the projection height on the other end side.
With this configuration, the polishing belt 16 is
Since the holding piece 36 and the second holding piece 44 abut in a meandering manner, the polishing belt 16 can be held by the slide member 25 in a strong state.

The first holding piece 36 and the second holding piece 4
By forming at least one of the protrusions 4 so that the protruding height on the side where the opening / closing member 27 is pivotally supported is lower than the protruding height on the other end side, when the opening / closing member 27 is closed and the polishing belt 16 is clamped, Since the polishing belt 16 is not drawn to one end side, the polishing belt 16 is held by the slide member 25 without displacement.

Conventionally, there has been an upper fixing device having no slide member fixing means, that is, an upper fixing device in which the slide member is not fixed upward. However, as an invention grasped from the above embodiment, However, even in such an upper fixing device having no slide member fixing means, it is conceivable that the first holding piece or the second holding piece is formed such that the protrusion height on the hinge side is lower than the protrusion height on the other end side. .

The locking member 33 and the locking piece 37 serve as slide member fixing means for fixing the slide member 25 upward.
Is shown, the slide member 25 may be fixed upward, for example, the base member 2
4, a protrusion that appears and disappears on the surface of
When the slide member 25 moves upward, the protrusion protrudes to support the lower end of the slide member 25,
A structure in which a pin penetrates through the slide member 25 and the base member 24, a structure in which the slide member 25 is sandwiched, and a structure using a permanent magnet may be used.

In order to release the fixing of the slide member 25 from above, the slide member 25 is lowered by hand.
The slide member fixing means may be such that the fixing is automatically released when it is sandwiched by 5, or the fixing is released by pressing a switch.

The second holding piece 44 is formed such that the projecting height at the side where the opening / closing member 27 is pivotally supported is lower than the projecting height at the other end side. The opening / closing member 27 is formed such that the projecting height on the side where the opening / closing member 27 is pivotally supported is lower than the projecting height on the other end side, or the opening / closing member 27 is the shaft of both the first holding piece 36 and the second holding piece 44. The protrusion height on the supported side may be formed lower than the protrusion height on the other end side.

Although the slide base 26 and the opening / closing member 27 are shown as being capable of changing the polishing belt 16 between the non-clipping state and the clamping state, the polishing belt 16 can be switched between the non-clipping state and the clamping state. Any device may be used, for example, a device for holding a belt like a holding portion disclosed in the application described in the section of the prior art, or a device using a mechanism such as a vise may be used.

As holding pieces for holding the polishing belt 16, there are shown a first holding piece 36 and a second holding piece 44 having a substantially U-shaped cross section, and the first holding piece 36 and the second holding piece 44. Although the polishing belt 16 is sandwiched in a meandering manner between the two, the polishing belt 16 may be fixed. For example, the first clamping piece 36 and the second clamping piece 44 each have one or three pieces. It may be formed from the above-mentioned flat plates and engaged with each other, or may be formed such that the tip of the holding piece is formed in a sawtooth or knurl shape.

An urging spring 51 is used as an urging member.
However, the present invention is not limited to a spring, and any other device may be used as long as it urges the slide member 25 downward. May be used to bias the slide member 25.

The mounting position of the urging member may be any position at which the slide member 25 can be urged in the vertical direction. For example, the urging member is mounted on one or both of both ends and side surfaces of the slide member 25. It may be something.

Also, the sliding long hole 32 and the slide member mounting screw 54 are shown to be provided at one place on the side surface of the base member 24, respectively. 24, or may be provided at two or more locations.

Further, although the polishing belt 16 is shown to be provided over substantially the entire length of the doffing and feeding device 1, it is sufficient that the polishing belt 16 is provided to the doffing and feeding device 1 over an appropriate length. The guide rail 21 may be divided into two upper and lower parts over the entire length, and the polishing belt 16 may be provided only on one of the divided guide rails 21.

[0061]

As is apparent from the above description, according to the first aspect of the present invention, there is provided a transport belt which is rotated between a plurality of rollers rotated by a driving source,
A polishing belt that is mounted so as to span a guide rail that is installed facing the outer peripheral surface of the transport belt, and a lower fixing device that is installed on the outer surface of the guide rail and fixes a lower side of the polishing belt; An upper fixing device installed on the outer surface of the guide rail and fixing the upper side of the polishing belt, wherein the upper fixing device is movable in the vertical direction and the polishing belt is The upper side of the polishing belt is fixed to the upper fixing device by providing a slide member which can be changed between a holding state and a holding state, and a slide member fixing means for fixing the slide member at a position moved upward. At this time, after moving the slide member holding the polishing belt upward, the slide member is fixed by the slide member fixing means, and then the polishing belt is held by the slide member. It is possible. This eliminates the need for the operation of maintaining the slide member above, and eliminates the need to simultaneously perform a plurality of operations, such as holding the polishing belt and maintaining the slide member above, so that the polishing belt is fixed to the upper fixing device. It can be performed reliably and easily.

In the invention according to claim 2, the upper fixing device is provided with an urging member for urging the slide member downward, so that the slide member holding the polishing belt is attached downward. Can be applied to prevent the abrasive belt from dubbing.

Further, in the invention according to claim 3, the slide member fixing means locks the locking piece provided at the slide member with the locking piece at a position where the slide member is moved upward. , The slide member can be fixed with a simple structure, the apparatus can be simplified, and the number of parts can be minimized. Can be planned.

Further, in the invention according to claim 4, the locking piece is automatically locked to the locking member when the sliding piece reaches the position where the sliding member moved upward is fixed. By this, when the slide member that has been moved upward reaches the position where the slide member is fixed, the slide member is automatically fixed without performing an operation for fixing, so simply moving the slide member with one hand The fixing operation of the slide member can be easily performed.

[0065] In the invention according to claim 5, the upper fixing device includes a base member fixedly attached to an outer surface of the guide rail, wherein the slide member is mounted so as to be movable in a vertical direction. Conventionally, adjustment work that has been performed after the slide member is mounted on the guide rail, for example, adjustment of vertical movement of the slide member and adjustment of backlash due to tolerance of component dimensions are performed before mounting the slide member on the guide rail. Can be performed in advance, so that workability can be improved.

In the invention according to claim 6, the locking member and the urging member are mounted on the base member, so that all members constituting the upper fixing device are mounted on the base member. In the past, the work that had been performed after mounting the upper fixing device on the guide rail,
For example, work such as mounting while adjusting the urging force of the urging member can be performed in advance before the upper fixing device is mounted on the guide rail, so that workability can be improved and the base member can be guided. The mounting of the upper fixing device is completed only by attaching to the rail.

Further, in the invention according to claim 7, the slide member includes a slide base on which a first holding piece projects from a surface on which the polishing belt is held, and a shaft on one end side of the slide base. An opening / closing member which is supported and a second holding piece projects on a surface on which the polishing belt is held,
At least one of the first holding piece and the second holding piece is formed such that the protruding height on the side where the opening / closing member is pivotally supported is lower than the protruding height on the other end side, so that the polishing belt Is abutted on the first holding piece and the second holding piece and is held in a meandering manner, so that the polishing belt can be held by the slide member in a strong state.

Further, by forming the protruding height at one end of at least one of the first holding piece and the second holding piece lower than the protruding height at the other end, the opening / closing member is closed and the polishing belt is closed. When holding the polishing belt, the polishing belt is not drawn to one end side, so that the polishing belt is held by the slide member without displacement.

[Brief description of the drawings]

FIG. 1 is a perspective view of a doffing apparatus as viewed from the rear.

FIG. 2 is an exploded perspective view showing the entire upper fixing device.

FIG. 3 is a perspective view of a lower fixing device.

FIG. 4 is a cross-sectional view showing opening and closing of a slide member.

FIG. 5 is a side view of the upper fixing device showing a state where the slide member is lowered.

FIG. 6 is a side view of the upper fixing device in a state where the slide member is fixed upward by the slide member fixing means and the opening / closing member is opened.

FIG. 7 is a side view of the upper fixing device showing a state in which the polishing belt is sandwiched between the slide members and the locking pieces are released from the locking members;

FIG. 8 is a cross-sectional view of the slide member showing a state where the polishing belt is sandwiched between the slide base and the opening and closing member.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 ball feeding device 3 lifting tube main body 4 transport belt 5 tension roller mechanism 15 support hinge 16 polishing belt 17 upper fixing device 18 lower fixing device 19 belt storage box before use 20 belt storage box after use 21 guide rail 24 base member 25 Slide member 26 Slide base 27 Opening / closing member 32 Sliding long hole 33 Locking member 34 Locking recess 36 First holding piece 37 Locking piece 38 Locking convex part 44 Second holding piece 45a Locking lever 51 Energizing spring 52 Fixed base

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Makoto Yanagawa 2-102 Mino-cho, Kasugai-shi, Aichi F-term (reference) 2C088 BA62 BA96

Claims (7)

[Claims] A transport belt that is rotated between a plurality of rollers that are rotated by a drive source; a polishing belt that is mounted by being mounted on a guide rail that is installed facing an outer peripheral surface of the transport belt; A ball comprising: a lower fixing device installed on an outer surface of a rail and fixing a lower side of the polishing belt; and an upper fixing device installed on an outer surface of the guide rail and fixing an upper side of the polishing belt. In the lifting device, the upper fixing device includes a slide member that is movable in a vertical direction and that can change a polishing belt between a non-clipping state and a clamping state, and fixes the slide member at a position moved upward. A doffing and feeding device provided with a slide member fixing means. 2. The doffing and conveying device according to claim 1, wherein the upper fixing device includes an urging member for urging the slide member downward. 3. The slide member fixing means includes: a locking piece provided on the slide member; and a locking member that locks the locking piece at a position where the slide member is moved upward. The doffing and feeding device according to claim 1 or 2, wherein: 4. The locking member according to claim 3, wherein the locking piece is automatically locked to the locking member when the slide member reaches a position where the sliding member moved upward is fixed. Doffing equipment. 5. The upper fixing device according to claim 1, further comprising a base member mounted on the slide member so as to be vertically movable and fixed to an outer surface of the guide rail. A doffing and feeding device according to any one of the above. 6. The doffing and feeding device according to claim 5, wherein the locking member and the urging member are mounted on the base member. 7. The slide member has a slide base on which a first holding piece is projected on a surface on which the polishing belt is held, and is supported by one end of the slide base to hold the polishing belt. An opening / closing member from which a second holding piece protrudes from a surface of the opening / closing member, wherein at least one of the first holding piece and the second holding piece has a protruding height on a side where the opening / closing member is pivotally supported. 7. The doffing and conveying apparatus according to claim 1, wherein the lower end is formed to be lower than a protruding height on the other end side.