JP2001080717A - Leg part structure of small belt conveyor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a leg part structure of a small belt conveyor allowing a leg part to be removed with easy operation and to be washed clean. SOLUTION: This leg part structure is formed so that a first leg column 21 is installed on the underside of a drive roller unit 6 for frictionally driving an endless belt 11, and a second leg column 22 is installed on a conveyor frame 2 at a proper place on the opposite side of the first leg column in longitudinal direction of the conveyor frame 2. Because the drive roller 6 can be attached to and detached from the conveyor frame 2 easily by a catch clip 10, the leg column 21 can be removed together with the drive roller unit 6. Because the second leg column 22 is installed detachably to the conveyor frame 2 by a locking hook 9 and a catch clip, the second leg column 22 can be removed easily. Thus, even if refuse or contamination adheres to each of the leg columns 21 and 22, the refuse or contamination can be decomposed and washed out easily.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small-sized belt conveyor in which an endless belt (endless belt) is sandwiched between a receiving roller and a driving roller, and the driving roller is rotated to frictionally drive the endless belt. ,
In particular, it relates to a leg structure for supporting the small-sized belt conveyor.

[0002]

2. Description of the Related Art For example, a small-sized belt conveyor used for conveying small articles such as foods and medicines and the like is used to transport the small-sized belt conveyor in order to prevent adhesion of dust and dirt to the conveyed articles. The surface and the peripheral devices must be kept clean at all times. Therefore, if the transfer surface of the belt conveyor becomes contaminated, it must be cleaned at any time or periodically.

[0003] Conventionally, for example, Japanese Utility Model 5-24
As disclosed in Japanese Patent Publication No. 652 (hereinafter, referred to as a conventional example), a belt conveyor capable of easily removing an endless belt by a simple operation has been proposed. FIG. 23 is an explanatory diagram showing a configuration of the belt conveyor 100 described in the conventional example. As shown in FIG.
The belt conveyor 100 is roughly divided into a frame 101 and a machine base 102.

[0004] The frame 101 is formed in a long shape,
A head pulley 103 is installed at the front end, and a tail pulley 104 is installed at the rear end. In the vicinity of the center of the side surface of the frame 101, two pairs of hanging stays 10
5 and 106, and the vertical stay 10
Receiving rollers 107 and 108 are supported at the lower ends of the rollers 5 and 106, respectively.

The machine base 102 is supported on the floor surface by four pillars 116 and has a driving roller 109. The driving roller 109 is connected to the output shaft of a motor 111 via a driving belt 110. It is connected to. Further, two idle rollers 112 and 113 are provided. Then, an endless belt 114 is disposed so as to span the head pulley 103, the idle roller 112, the receiving rollers 107 and 108, the idle roller 113, and the tail pulley 104. Further, the driving roller 109 is disposed between the two receiving rollers 107 and 108. When the frame 101 is connected to the machine base 102 such that the endless belt 114 is positioned, the endless belt 114 and the driving roller 109 come into frictional contact. it can.

Further, as shown in FIG.
1 is connected to the machine base 102 by a hinge 115, so that when one side of the frame 101 is lifted, the engagement between the frame 101 and the machine base 102 can be released, and the endless belt 114 (see FIG. 23) ) Can be relaxed, so that the endless belt 114 can be easily removed in this state. Thereby, the endless belt 114 can be cleaned.

However, in the belt conveyor 100 described in the above-mentioned conventional example, although the endless belt 114 can be removed and the endless belt 114 can be cleaned, the frame 1, the receiving rollers 107 and 108, and the hanging stay 10 are used.
These cleaning operations are not easy because the 5,106 cannot be removed.

[0008] Similarly, for the machine base 102, the motor 11
1, drive roller 109, idle rollers 112 and 11
3. Since the pillars 116 are integrated, they cannot be disassembled, or the disassembly takes a lot of time, so that much cleaning work is required.

[0009]

As described above, in the conventional belt conveyor, the endless belt 114 can be removed by a simple operation.
7, 108, drive roller 109, idle roller 11
It is not easy to disassemble into each component such as 2, 113 and the like, and since the legs for supporting the belt conveyor cannot be removed, much labor is required for cleaning each component and the legs. However, there was a drawback that it took.

The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a small-sized belt conveyor capable of removing a leg and cleaning it with a simple operation. It is to provide a leg structure.

[0011]

In order to achieve the above object, the invention according to claim 1 of the present application is directed to a conveyor frame comprising a bottom plate and side plates obtained by bending both ends of the bottom plate into a substantially L-shape. And a head pulley and a tail pulley respectively disposed at a front end portion and a rear end portion of the conveyor frame, an endless belt stretched over the head pulley and the tail pulley, and a receiving roller. A receiving roller unit disposed on the back side of the driving roller unit, comprising a driving roller that is detachable from the conveyor frame and that presses the endless belt against the receiving roller to frictionally drive the endless belt; And a small belt conveyor configured to drive the endless belt by rotating the drive roller. Te, the receiving roller unit, and the drive roller unit is arranged at a position offset to one side from the longitudinal center of the conveyor frame,
And, a first pillar is disposed below the drive roller unit, and on the other end side in the longitudinal direction of the conveyor frame,
A second pillar, which is detachable from the conveyor frame, is provided.

According to a second aspect of the present invention, the second pillar includes two second pillars arranged along the width direction of the conveyor frame, and each second pillar. Locking means disposed in the vicinity of the upper end side, having a hook portion,
A locking hook slidably mounted along the side plate of the conveyor frame is attached to the side plates on both sides of the conveyor frame, and the locking means and a hook portion formed on the locking hook are provided. By engaging with
The second pillar is detachable from the conveyor frame. The invention according to claim 3 is
The locking means is a catch clip.

According to a fourth aspect of the present invention, the second pillar includes two second pillars arranged along the width direction of the conveyor frame, and each of the second pillars. And a bracket on which at least one through hole is formed, wherein the side surfaces of the brackets attached to the second pillars are attached to side plates of both sides of the conveyor frame. An abutment plate having at least one through-hole abutting against an inner surface thereof abuts from outside of side plates on both sides of the conveyor frame, and a through-hole formed in the bracket; The second pillar is fixed to the conveyor frame by bolting a space between the through hole formed in the stopper plate and the lower side of the lower end of the side plate of the conveyor frame. And

According to a fifth aspect of the present invention, there is provided the second pillar for connecting the two second pillars at appropriate positions of the two second pillars of the second pillar. A second connecting member is disposed at right angles to the second pillar connecting member.
An auxiliary member for a pillar is attached, and auxiliary pillars for a second pillar are attached to both ends of the auxiliary member for the second pillar.

According to a sixth aspect of the present invention, the first pillar includes two first pillars arranged along the width direction of the conveyor frame, and the two first pillars. Connecting member for connecting the two first stanchions at appropriate positions of the first stanchions, and an auxiliary for the first stanchions arranged orthogonal to the first stanchions connecting member It is characterized by comprising a member, and a first pillar auxiliary column disposed at both ends of the first pillar auxiliary member.

According to a seventh aspect of the present invention, the first pillars are two in the width direction of the conveyor frame and two in the longitudinal direction.
It is characterized by having a total of four first pillar supports for each, and a first pillar connecting member for connecting the first pillar supports arranged in the width direction.

According to an eighth aspect of the present invention, the connecting member for the first pillar attached to the first pillar is connected to the connecting member for the second pillar attached to the second pillar. It is characterized in that a connecting material is arranged.

According to a ninth aspect of the present invention, the first pillar support, the first pillar auxiliary support, the second pillar support, and the second pillar support.
An adjuster for height adjustment is provided on at least one of the auxiliary pillars for the pillar.

According to the present invention configured as described above, the first pillar and the second pillar are attached to the conveyor frame.
Since it can be easily attached and detached, a large amount of labor is not required when disassembling and cleaning the small-sized belt conveyor, and workability is remarkably improved.

[0020]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a side view showing the configuration of a first embodiment of a small belt conveyor to which the leg structure of the present invention is applied, FIG. 2 is a front view, FIG. 3 is a plan view, FIG.
FIG. 5 is an explanatory view showing a state in which the drive roller unit 6 is attached to the back side of the conveyor frame 2.

As shown in FIG.
Is stretched between a long conveyor frame 2, a head pulley 3 installed on the front end side of the conveyor frame 2, a tail pulley 4 installed on the rear end side, and each of the pulleys 3, 4. An endless belt (endless belt) 11 having a convex protrusion 11a (see FIG. 3) formed on the back side, a receiving roller unit 5 (see FIG. 5) installed on the back side of the conveyor frame 2, and the receiving roller And a drive roller unit 6 disposed at a position facing the unit 5.

The receiving roller unit 5 and the driving roller unit 6 are installed at a position offset from the center of the conveyor frame 2 toward one end (see FIG. 1). Is installed. A second pillar 22 is attached to the other end side of the conveyor frame 2. The small belt conveyor 2 is supported by the first pillar 21 and the second pillar 22. Have been. Reference numeral 31 denotes a return roller, which is detachably engaged with the conveyor frame 2 by using a dedicated metal fitting.

FIG. 6 is a perspective view showing the structure of the conveyor frame 2. As shown in FIG. 6, the conveyor frame 2 includes a bottom plate 2 a and a right-angled lower side from both sides of the bottom plate 2 a. The bottom plate 2a is formed of bent side plates 2b and 2c, and a groove 2d is formed in the center of the bottom plate 2a along the longitudinal direction.

As shown in FIGS. 1 to 4, the first pillar 21
Are two columns (first column columns) 21 a and 21 b arranged in the width direction of the conveyor frame 2, and the columns 21.
a and 21b are connected at the upper and lower sides (first member).
Pillar connecting members 21c, 21d (see FIG. 2), an auxiliary member (first pillar auxiliary member) 21e (see FIG. 1) orthogonal to the connecting member 21d, and the auxiliary member 21e.
(First pillar auxiliary pillars) 21f and 21g.

An adjuster 21h is attached to each of the struts 21a and 21b and each of the auxiliary struts 21f and 21g in contact with the floor surface. By adjusting the adjusters 21h, the unevenness of the floor surface can be improved. The heights of the columns 21a, 21b and the auxiliary columns 21f, 21g can be adjusted according to the situation.

FIG. 7 is a front view showing the structure of the second pillar 22, and FIG. 8 is a side view of the same. As shown in FIGS. 7 and 8, the second pillar 22 includes two pillars (second pillar pillars).
22a, 22b and a connecting member (a connecting member for the second leg) 22 that connects the supporting columns 22a, 22b upward and downward.
c and 22d, and an adjuster 22e is attached to the lower end of each of the columns 22a and 22b.
By adjusting the adjuster 22e, the heights of the columns 22a and 22b can be adjusted according to the unevenness of the floor surface.

A catch clip (locking means) 22f is attached near the upper end of each of the columns 22a and 22b. Further, a bracket 22g having an L-shaped cross section is fixed to the upper ends of the columns 22a and 22b by welding. At this time, the space L1 between the outer surfaces of the two brackets 22g is substantially the same as the space between the two side plates 2b and 2c of the conveyor frame 2 (see FIG. 6). Accordingly, when the conveyor frame 2 is placed on the second pillar 22, the two brackets 22g are arranged so as to be in contact with the inside of the two side plates 2b and 2c of the conveyor frame 2. .

FIGS. 9A and 9B are explanatory views showing the structure of the locking hook 9 used when the second pillar 22 is attached to the conveyor frame 2, wherein FIG. 9A is a side view, and FIG. FIG. 3C is a front view, and FIG. As shown in the figure, the locking hook 9 has a hook portion 9a formed in a hook shape.
And an abutment plate 9b abutting against the side plates 2b and 2c of the conveyor frame 2, a projection 9c for fixing the corresponding plate 9b to the side plates 2b and 2c, and a substantially right angle above the abutment plate 9b. And a bent portion 9d formed by bending. Then, the side plate 2b or 2c of the conveyor frame 2 is formed to fit exactly in the gap S1 (see FIG. 9A) between the backing plate 9b of the locking hook 9 and the projection 9c. .

Therefore, the conveyor frame 2 shown in FIG.
When the locking hook 9 is inserted from the end of the conveyor frame 2, the locking hook 9 can slide along the side plate 2b or 2c, and moves to an arbitrary position in the longitudinal direction of the conveyor frame 2. Can be done. Then, as shown in FIG. 10, by engaging with a catch clip 22 f attached to the second pillar 22, the second footnote 22 is formed.
Can be fixed to the conveyor frame 2.

FIG. 11 is a perspective view showing the structure of the receiving roller unit 5 attached to the back side of the conveyor frame 2. As shown in FIG.
Has an L-shaped cross section that connects a pair of side plates 5a and 5b, which are formed with a substantially semicircular notch and are arranged in parallel with each other, and ends of two side plates 5a and 5b arranged in parallel. Connecting members 5c and 5d. In addition, each connecting member 5
A suction cup 5e is attached to each of two end portions of c and 5d (a total of four places), so that the suction cups 5e can be suction-fixed to the rear frame of the conveyor frame 2 at appropriate positions. ing.

Each of the protrusion ends 5f of the side plates 5a, 5b
(4 places) are each provided with a through-hole 5g,
Two receiving rollers 5h and 5i are mounted on the shaft so as to connect the opposing through holes 5g.

The drive roller unit 6 includes a motor unit 7 and a storage frame 8. FIG. 12 is a perspective view showing the configuration of the motor unit 7. The motor unit 7 has a casing 7a and two drive rollers 7b and 7c which are rotatably driven by being supported by the casing 7a. I have. Further, leaf springs 7f and 7g whose both ends are processed into a roll shape are attached below the casing 7a via angle members 7d and 7e.

A rotary drive motor and a speed reducer (both not shown) are housed inside the casing 7a.
The output shaft of the speed reducer is connected to the rotation shafts of the drive rollers 7b and 7c. Therefore, when the power supply voltage is supplied to the rotation drive motor to rotate the rotation drive motor, the rotation power is transmitted to the drive rollers 7b and 7c via the speed reducer, so that the drive rollers 7b and 7c are driven at a low speed. Will rotate.

FIG. 13 is a perspective view showing the structure of the storage frame 8, and as shown in FIG.
Are a pair of side plates 8a, 8b and a pair of end plates 8c,
8d has a configuration in which four circumferences are surrounded, and the upper sides of the end face plates 8c and 8d are bent at right angles. Furthermore, it has a bottom plate 8i. Also, a pair of side plates 8a,
On the upper side of 8b, two snub rollers 8e, 8f are provided so as to pass between the side plates 8a, 8b, and on the lower side, for engaging the leaf springs 7f, 7g described above. And two round bars 8g and 8h.

The side plates 8a, 8b of the storage frame 8
Two (two in total) catch clips 10 (refer to FIG. 1) are attached to the outer surface side of each of them. Further, a first leg 21 for supporting the small-sized belt conveyor 1 is provided at a lower portion of the storage frame 8 (see FIGS. 1 to 4).
Is attached.

As shown in FIGS. 1 and 3, two hooks are provided on the side of each of the side plates 2b and 2c on the conveyor frame 2 where the drive roller unit 6 is mounted, for a total of four places. 9 'is attached, and the conveyor frame 2 and the drive motor unit 6 are engaged by locking the locking hook 9' and the catch clip 10 arranged on the side surface of the storage frame 8. be able to. The hook 9 'for locking is shown in FIGS.
It has the same configuration as the locking hook 9 shown in (c).

Next, the operation of the present embodiment will be described. As shown in FIG. 5, when the small belt conveyor 1 is assembled, the endless belt 11 includes the head pulley 3 (see FIG. 1), the snub roller 8e, the receiving roller 5h,
The driving rollers 7b and 7c, the receiving roller 5i, the snub roller 8f, and the tail pulley 4 (see FIG. 1) are wound around in this order. The leaf springs 7f and 7g attached to the motor unit 7 are attached to the round bar 8 mounted on the storage frame 8.
g, 8h, and the entire motor unit 7 is pressed upward (ie, toward the back side of the conveyor frame 2) by the urging force of the leaf springs 7f, 7g, so that the driving rollers 7b, 7c and the receiving roller 5h are pressed. , 5i, the endless belt 11 is clamped at a constant pressure.

When the motor unit 7 is driven to rotate in this state, the endless belt 11 is driven by friction, so that the articles placed on the endless belt 11 can be conveyed in a desired direction.

Next, a procedure for disassembling the small-sized belt conveyor 1 will be described. When disassembling, first,
The catch clips 10 (four places) shown in FIG. 1 are removed, and the engagement between the catch clips 10 and the locking hooks 9 'is released. Thereby, the conveyor frame 2 and the drive roller unit 6 are separated. At this time, since upward pressure by the drive rollers 7b and 7c is avoided (see FIG. 5), the endless belt 11 is relaxed, disengaged from the head pulley 3 and the tail pulley 4, and the endless belt is released. The belt 11 can be easily removed.

The drive roller unit 6 has a configuration in which the leaf springs 7f and 7g of the motor unit 7 are only mounted on the round bars 8g and 8h of the storage frame 8, and
The storage frame 8 and the motor unit 7 can be easily separated.

Further, since the receiving roller unit 5 is fixed by suction to the back side of the conveyor frame 2 by the suction cup 5e, if the suction by the suction cup is removed, the receiving roller unit 5 and the conveyor frame 2 can be easily removed. Can be.

When the engagement between the catch clip 22f attached to the second pillar 22 and the locking hook 9 shown in FIGS. 7, 8, and 10 is released, the second The pillar 22 can be easily removed, and the hook 9 can be removed from the conveyor frame 2 by sliding the hook 9 in the longitudinal direction of the conveyor frame 2.

As described above, in the small-sized belt conveyor 1 according to the present embodiment, the conveyor frame 2, the receiving roller unit 5, the motor unit 7, the storage frame 8, the endless belt 11, the second pillar, 22.

A locking hook 9 '(for mounting the drive motor unit 6) locked on the conveyor frame 2;
The hook 9 for locking (for attaching the second pillar 22) can also be easily removed.

Therefore, even if the endless belt 11 of the small-sized belt conveyor 1 and its peripheral devices, the first pillar 21 and the second pillar 22 are soiled, they can be easily disassembled. Cleaning can be easily performed, and the burden on the operator can be significantly reduced.

When assembling the disassembled components, the disassembly procedure may be reversed. That is, the suction roller 5e of the receiving roller unit 5 is attracted to the back side of the conveyor frame 2 so that the receiving roller unit 5 can be fixed to the conveyor frame 2.

Further, the locking hooks 9 ', 9 can be easily inserted from the end portions of the side plates 2b, 2c of the conveyor frame 2, and can be moved to a desired position. The leaf springs 7f and 7g of the motor unit 7 are mounted on the round bars 8g and 8h of the storage frame 8 to form the driving roller unit 6, and the driving roller unit 6 is connected to the receiving roller unit 5. Move to the opposing position,
The catch clip 10 is engaged with the locking hook 9 '(for attaching the drive motor unit 6). As a result, the driving rollers 7b and 7c are pressed upward by the urging forces of the leaf springs 7g and 7h, and the endless belt 11 is held at a constant pressure by the driving rollers 7b and 7c and the receiving rollers 5h and 5i. Can be.

Further, the hook 9 for locking (for locking the second pillar 22) is mounted on the conveyor frame 2 which is the mounting portion of the second pillar 22, and the upper end of the second pillar 22 is provided. Two brackets 22g installed in the part (see FIG. 10)
Is brought into contact with the inside of each side plate 2b, 2c of the conveyor frame 2, and in this state, the catch clip 22f mounted on the second pillar 22 is locked to the locking hook 9, so that the second The two pillars 22 can be fixed to the conveyor frame 2. Thus, the assembly operation is completed.

As described above, in the small-sized belt conveyor 1 according to the present embodiment, the receiving roller unit 5, the drive motor unit 6, the endless belt 11, the second pillar 22, and various other structures are formed by a simple operation. It can be disassembled into parts and can be assembled back to its original state with a simple operation. Therefore, even if the small-sized belt conveyor 1 is used for transporting foods, chemicals, and the like, and frequent cleaning is necessary, it can be easily disassembled and cleaned.

In particular, the drive motor unit 6 to which the first pillar 21 is attached and the second pillar 22 can be easily attached to and detached from the conveyor frame 2 by operating the catch clips 10 and 22f. it can.

The drive motor unit 6 and the second pillar 22 are configured to be attached and detached by locking hooks 9 ', 9 and catch clips 10, 22f, respectively. 22b and 22c can be formed in a substantially flat state. As a result, there are very few places on the conveyor frame 2 where dust and dirt are clogged, and the cleaning operation can be performed easily.

FIGS. 14 and 15 are a front view and a side view showing a configuration of a modified example of the second pillar 22 and its mounting structure shown in the first embodiment. As shown in each figure, the second pillar 24 includes two pillars (second pillar pillars) 24a and 24b, two connecting members (second pillar pillar connecting members) 24c and 24d, The first point in having an adjuster 24e attached to the lower end of each support | pillar 24a, 24b.
The same as the second pillar 22 shown in the embodiment, except that the catch clip 22f is not attached, and two through holes 24h for bolt insertion are respectively formed in the two brackets 24g. It is different in that it is. Further, in this modification, the side plate 2 of the conveyor frame 2 is used.
b, 2c for holding the plate (locking plate) 2
5 is provided.

As shown in FIG. 16, the corresponding plate 25 has a flat rectangular shape and has two through holes 25a. When attaching the second pillar 24 to the side plates 2b, 2c of the conveyor frame 2, as shown in FIG. 17, two brackets 24g are attached to the two side plates 2b, 2c.
, And a contact plate 25 is contacted from the outer side of the side plates 2b and 2c.
2g through hole 22h (see FIG. 15) and backing plate 2
5 is connected to a through hole 25a (see FIG. 16) formed therein, and tightened and fixed with a bolt 26 and a nut 27. At this time, since the tightening portion of the bolt 26 is further below the lower ends of the side plates 2b and 2c of the conveyor frame 2, holes for bolt insertion are formed in the side plates 2b and 2c of the conveyor frame 2. No need to do.

Thus, in the second pillar 24 according to the modified example of the first embodiment, the bolt 26 is inserted into the through hole 24h formed in the bracket 24g and the through hole 25a formed in the backing plate 25. The bolt 26 and the nut 27
Thus, the bracket 24g and the backing plate 25 are tightened and fixed, so that the second pillar 24 can be easily attached to and detached from the conveyor frame 2.

Therefore, as in the first embodiment, when the small belt conveyor 1 is disassembled and cleaned, the disassembling and assembling operations can be performed extremely easily, and the workability can be improved. Also, the side plate 2 of the conveyor frame 2
Since there is no need to make holes in b and 2c, cleaning of the conveyor frame 2 is facilitated, and the second pillar 24 can be installed at an arbitrary position in the longitudinal direction of the conveyor frame 2.

In the above modification, each bracket 2
An example has been described in which the through hole 24h formed in the 4g and the through hole 25a formed in the backing plate 25 are respectively provided at two places, and the bolts 26 and the nuts 27 are tightened and fixed. However, the present invention is not limited to this. Not through holes 24h, 25a
May be one, or three or more.

FIG. 18 is a side view showing the structure of a small belt conveyor 31 to which the leg structure according to the second embodiment of the present invention is applied, and FIG. 19 is a rear view thereof. FIG.
8, FIG. 19, FIG. 1 shown in the first embodiment,
4 are denoted by the same reference numerals and description thereof is omitted.

As shown in FIGS. 18 and 19, in this embodiment, an auxiliary member (a second member 32) is provided so as to be perpendicular to a lower connecting member (second connecting member for the second column) 32d. An auxiliary member (second pillar auxiliary member) 32f is attached, and auxiliary pillars (second pillar auxiliary pillar) 3 are provided at both ends of the auxiliary member 32f.
The second embodiment differs from the first embodiment in that 2g and 32h are mounted. In addition, each of the columns 32a, 32 of the second pillar 32,
2b, adjusters 32e are attached to the lower ends of the auxiliary columns 32g and 32h, respectively, so that the height can be adjusted by the adjusters 32e.

According to such a configuration, both the first pillar 21 and the second pillar 32 are supported at four points on the floor surface, so that the stability is improved. Become.
Note that, similarly to the first embodiment described above, the connection with the conveyor frame 2 can employ any method using a catch clip or a backing plate. Thereby, similarly to the first embodiment, the disassembling operation and the assembling operation can be easily performed, and the cleaning operation can be easily performed.

FIG. 20 is a side view showing the configuration of the third embodiment of the present invention, and FIG. 21 is a view taken in the direction of the arrow “A1” in FIG. 20 and 21, the same parts as those in FIGS. 1 and 2 shown in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 20, the first pillar 41 attached to the lower portion of the drive roller unit 6 has four pillars (first pillar pillars) 41a to 41d, and further has a conveyor. Two connecting members (first connecting members for pedestals) 41g, 41h, 41e, respectively, connect two columns (41a and 41c, and 41b and 41d) adjacent to each other in the width direction of the frame 2. 41f are arranged. In addition, 2 adjacent in the longitudinal direction of the conveyor frame 2
Connecting members 41i and 41j are arranged so as to connect between the columns (41a and 41b, and 41c and 41d). The connecting member 42 is arranged so as to connect the upper connecting member 22c of the second pillar 22 (see FIG. 21) to the connecting member 41g, and the lower connecting member of the second pillar 22 is connected. A connecting member 43 is arranged so as to connect the connecting member 22d to the connecting member 41h.

FIG. 22 is a diagram showing the structure of the connecting members 42 and 43. The connecting members 42 and 43 include a pipe member 42a and clips 42b attached to both ends of the pipe member 42a.
The clip 42b allows the connecting members 22c, 4c
It can be attached to and detached from 1g, 22d and 41h.

As described above, in the third embodiment, the first pillar 41 has four pillars 41a to 41d, and further, the connecting members 42, 43 are provided between the first pillar 41 and the second pillar. Therefore, the small-sized belt conveyor can be supported more stably. Further, similarly to the first and second embodiments described above, since it can be easily attached to and detached from the conveyor frame 2, disassembly and cleaning can be easily performed.

[0064]

As described above, in the leg structure of the small-sized belt conveyor according to the present invention, since the first pillar is disposed on the lower surface of the drive roller unit, the first pillar is provided together with the drive roller unit. Can be attached and detached,
Since the second pedestal is configured to be detachable from the conveyor frame, the pedestal can be easily removed during disassembly and cleaning, and workability can be improved.

Further, if a hook for locking is attached to the side plate of the conveyor frame and the locking means (catch clip) formed on the second pillar is locked to the hook for locking, one-touch operation is possible. Thus, the second pillar can be easily removed. Further, if the bracket attached to the second pedestal and the locking plate are fastened to the side plate of the conveyor frame by bolting, the second pedestal can be easily and firmly attached to the conveyor frame. Can be fixed.

An auxiliary support is attached to the second pillar,
If it is configured to support at four points, it is possible to more stably support the small-sized belt conveyor. Further, firstly, the pillar can be supported at four points, so that the stability can be further improved.

In addition, by arranging a connecting member for connecting the first pillar and the second pillar, the stability can be further improved. Further, by arranging the adjuster at the lower end of the column, the height can be easily adjusted, and the unevenness of the floor surface can be appropriately adjusted.

[Brief description of the drawings]

FIG. 1 is a side view showing a configuration of a small belt conveyor according to a first embodiment of the present invention.

FIG. 2 is a front view showing a configuration of the small-sized belt conveyor according to the first embodiment of the present invention.

FIG. 3 is a plan view showing the configuration of the small-sized belt conveyor according to the first embodiment of the present invention.

FIG. 4 is a rear view showing the configuration of the small belt conveyor according to the first embodiment of the present invention.

FIG. 5 is an explanatory diagram showing a state where a receiving roller unit and a driving roller unit are connected.

FIG. 6 is a perspective view illustrating a configuration of a conveyor frame.

FIG. 7 is a front view showing a configuration of a second pillar.

FIG. 8 is a side view showing a configuration of a second pillar.

FIG. 9 is an explanatory view showing a configuration of a locking hook;
(A) is a side view, (b) is a front view, (c) is a perspective view.

FIG. 10 is an explanatory view showing a state in which a catch clip of a second pillar is engaged with a locking hook.

FIG. 11 is a perspective view illustrating a configuration of a receiving roller unit.

FIG. 12 is a perspective view illustrating a configuration of a motor unit.

FIG. 13 is a perspective view showing a configuration of a storage frame.

FIG. 14 is a front view showing a configuration of a modification of the second pillar.

FIG. 15 is a side view showing a configuration of a modification of the second pillar.

FIG. 16 is a perspective view showing a configuration of a backing plate.

FIG. 17 is an explanatory view showing a state in which a second pillar according to a modification is attached to a conveyor frame.

FIG. 18 is a side view showing a configuration of a small belt conveyor according to a second embodiment of the present invention.

FIG. 19 is a rear view showing the configuration of the small-sized belt conveyor according to the second embodiment of the present invention.

FIG. 20 is a side view showing a configuration of a small belt conveyor according to a third embodiment of the present invention.

FIG. 21 shows the small belt conveyor “A” shown in FIG.
FIG.

FIG. 22 is an explanatory diagram showing a configuration of a joining material.

FIG. 23 is an explanatory view showing a configuration of a conventional belt conveyor.

FIG. 24 is an explanatory view showing a state in which an endless belt is removed in a conventional belt conveyor.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Small belt conveyor 2 Conveyor frame 2a Bottom plate 2b, 2c Side plate 3 Head pulley 4 Tail pulley 5 Receiving roller unit 5a, 5b Side plate 5c, 5d Connecting member 5e Suction cup 5f Projecting end 5g Through hole 5h, 5i Receiving roller 6 Drive roller unit 7 Motor unit 7a Casing 7b, 7c Driving roller 7d, 7e Angle material 7f, 7g Leaf spring 8 Storage frame 8a, 8b Side plate 8c, 8d Side plate 8e, 8f Snub roller 8g, 8h Round bar 8i Bottom plate 9, 9 'Lock Hook 9a hook portion 9b backing plate 9c projecting piece 9d bent portion 10 catch clip 11 endless belt 21 first pillar 21a, 21b pillar (first pillar pillar) 21c, 21d connecting member (first pillar connection) Member) 21e Auxiliary member (Auxiliary member for first pillar) 2 f, 21g Auxiliary column (first column auxiliary column) 21h Adjuster 22, 24, 32 Second column 22a, 22b column (second column column) 22c, 22d Connection member (second column connection) 22e Adjuster 22f Catch clip 22g Bracket 24a, 24b Post (second post support) 24c, 24d Connection member (second post connection member) 24e Adjuster 24g Bracket 24h Through-hole 25 Patch plate (locking pad) Plate) 25a Through-hole 26 Bolt 27 Nut 31 Return roller 32a, 32b Post (post for second leg) 32c, 32d Connecting member (connecting member for second post) 32e Adjuster 32f Auxiliary member (auxiliary for second post) Member) 32g, 32h Auxiliary column (second column auxiliary column) 41 First column 41a, 41b, 41c, 41d (First column forming pillar) 41e, 41f, 41g, 41h connecting member (first pedestal for connecting member) 41i, 41j connecting members 42, 43 ties 42a pipe member 42b clips

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[Submission date] September 14, 1999 (1999.9.1.
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Claims (9)

[Claims] 1. A conveyor frame comprising a bottom plate and side plates obtained by bending both end portions of the bottom plate into a substantially L-shape, and a head pulley and a tail pulley disposed at a front end portion and a rear end portion of the conveyor frame, respectively. An endless belt stretched so as to span the head pulley and the tail pulley, a receiving roller unit having a receiving roller and disposed on the back side of the conveyor frame, and detachable from the conveyor frame. A drive roller unit comprising a drive roller for pressing the endless belt against the receiving roller to frictionally drive the endless belt, and driving the endless belt by rotating the drive roller. The receiving roller unit and the driving roller unit are configured as follows. A first pillar is disposed at a position offset from the center in the longitudinal direction of the conveyor frame to one end side, and a lower portion of the drive roller unit, and a first pillar is provided on the other end side in the longitudinal direction of the conveyor frame, A leg structure for a small-sized belt conveyor, comprising a second pillar that is detachably attached to the conveyor frame. 2. The second pedestal is arranged in the vicinity of an upper end side of two second pedestal posts arranged along a width direction of the conveyor frame. Locking means having a hook portion and slidably attached along the side plate of the conveyor frame to the side plates on both sides of the conveyor frame; 2. The method according to claim 1, wherein the second pillar is detachable from the conveyor frame by engaging a locking means with a hook formed on the locking hook. The leg structure of the small belt conveyor described. 3. The leg structure of a small belt conveyor according to claim 2, wherein the locking means is a catch clip. 4. The second pillar is arranged at two upper pillars for the second pillar arranged along the width direction of the conveyor frame, and at the upper end of each of the second pillars. A bracket having at least one through-hole formed therein, wherein a side surface of the bracket attached to each of the second pillar supports abuts against a side plate inner surface of both sides of the conveyor frame; An abutment plate provided with one through hole is abutted from outside the side plates on both sides of the conveyor frame, and a through hole formed in the bracket and the abutment plate are formed on the bracket. 2. The second pillar is fixed to the conveyor frame by bolting between the through hole and the lower end of the side plate of the conveyor frame below the lower end thereof. 3. Leg structure of small belt conveyor. 5. A second connecting member for connecting the two second pillars at appropriate positions of the two second pillars of the second pillar.
A connecting member for a pillar is installed, and an auxiliary member for a second pillar which is orthogonally arranged with respect to the connecting member for the second pillar is attached. The leg structure of the small-sized belt conveyor according to any one of claims 2 to 4, wherein an auxiliary pillar for the pillar is attached. 6. The first pedestal is provided at two positions for the first pedestal posts, which are arranged along the width direction of the conveyor frame, at appropriate positions of the two first pedestal posts. A first connecting member for the first pillar connecting between the two first pillar supporting members, an auxiliary member for the first pillar arranged orthogonal to the first connecting member for the pillar, and the first leg; 6. The leg structure of the small belt conveyor according to claim 1, comprising: a first pillar supporting column disposed at both ends of the column supporting member. 5. . 7. A total of four first pillars, two in the width direction of the conveyor frame and two in the longitudinal direction.
6. A first pillar connecting member having a pillar supporting column and connecting the first pillar supporting columns arranged in the width direction with each other. Item 14. The leg structure of the small-sized belt conveyor described in the paragraph. 8. A first pillar connecting member attached to the first pillar, and a second pillar attaching member attached to the second pillar.
The leg structure of the small-sized belt conveyor according to claim 7, wherein a connecting material for connecting the connecting member to the pillar is arranged. 9. An adjuster for height adjustment on at least one of the first pillar support, the first pillar support, the second pillar support, and the second pillar support. The leg structure of the small-sized belt conveyor according to any one of claims 2 to 8, wherein a leg is provided.