JP3942008B2 - Belt conveyor - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a belt conveyor capable of individually attaching and detaching each belt support.
[0002]
[Prior art]
A conventional belt conveyor is provided with a conveyor main body, and an endless conveyance belt is wound around the conveyor main body so that the conveyance belt can be revolved, and the conveyance belt is conveyed on the surface of the upper forward surface portion by revolving in a predetermined direction. Transport the object in the transport direction.
[0003]
In addition, such a lattice-like belt support means for supporting substantially the entire back surface of the forward path surface portion of the transport belt is detachably attached to the conveyor body. The belt support means has a plurality of elongated belt supports whose longitudinal direction coincides with the transport direction, and the plurality of belt supports are integrally connected by a slender connecting body in a direction crossing the transport direction. Yes.
[0004]
Then, for example, at the time of washing by washing with water, the grid belt support means is removed from the conveyor body as necessary while the grid belt is loosened while the transport belt is loosened.
[0005]
[Problems to be solved by the invention]
However, the conventional belt conveyor has a problem that although the lattice belt support means can be detached, each belt support cannot be individually detached.
[0006]
This invention is made | formed in view of such a point, and it aims at providing the belt conveyor which can remove | desorb each belt support body separately.
[0007]
[Means for Solving the Problems]
The belt conveyor according to claim 1, wherein the conveyor main body, an endless transfer belt which is provided so as to be able to turn around the conveyor main body and which conveys an object to be transferred in the transfer direction on the surface of the forward path by turning, and the conveyor Each of which is detachable from the main body, is positioned so that the longitudinal direction thereof coincides with the transport direction in a state of being attached to the conveyor main body, and supports the back surface of the forward path surface portion of the transport belt. A plurality of belt supports, and the conveyor body includes a support body fitting portion, and the belt support body can be attached to the conveyor body only by fitting with the support body fitting portion. cage, wherein only the release of the engagement between the support fitting portion has become removable from said conveyor body, the support fitting portion, the elastic variable spaced opposed to each other via the supporting-body space The belt support has a pair of curved pinching plates that form a possible pair, and the belt support has an elongated bar shape that has a substantially elliptical cross section in which the upper and lower surfaces are flat portions and both side surfaces are curved portions corresponding to the pinching plates. In a state of being formed and fitted with the support fitting portion, substantially the whole is located in the support space, and the curved surface portion is pressed in a planar shape with the holding plate and is held by the holding plate It will be.
[0008]
Each of the strips is detachably attached to the conveyor body, is positioned so that the longitudinal direction thereof coincides with the transport direction in a state of being attached to the conveyor body, and supports the back surface of the forward path surface portion of the transport belt. Therefore, each belt support can be individually detached.
[0009]
Belt conveyors 請 Motomeko 2 in that in the belt conveyor according to claim 1 Symbol placement, the conveyor body has a pair of frames spaced facing each other, a connecting member for connecting the pair of frame cross-desorption in the connecting body A fitting receiver attached to the belt support, and the fitting receiver has a support fitting portion for fitting with the belt support.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the configuration of an embodiment of the belt conveyor of the present invention will be described with reference to the drawings.
[0011]
In FIG. 1, reference numeral 1 denotes a belt conveyor. The belt conveyor 1 includes a conveyor body 2, and the conveyor body 2 is horizontally supported at a predetermined height by a plurality of legs, for example, six legs 3. .
[0012]
The conveyor body 2 is provided with a conveyor belt 4 such as an endless flat belt so as to be able to rotate. The conveyor belt 4 receives power from the driving means 5 and rotates in a predetermined direction. A transported object (not shown) is placed and transported in the horizontal transport direction X on the surface of the forward path surface portion 4a.
[0013]
Here, as shown in FIGS. 1 and 2, the conveyor body 2 has a pair of elongated frames 7 that are spaced apart from each other at a predetermined distance, and each frame 7 has a longitudinal direction along the conveying direction X. Are aligned in the horizontal direction.
[0014]
A first end roller 8 that is one winding portion is rotatably attached to one end portion in the longitudinal direction of the pair of frames 7. On the other hand, a second end roller 9 as the other winding portion is rotatably attached to the other longitudinal end portion of the pair of frames 7 via a turning arm 10 that can turn in the vertical direction.
[0015]
The endless transport belt 4 is wound around the first end roller 8, the second end roller 9, and a drive pulley (not shown) of the drive unit in a tension state in which the transported object can be transported.
[0016]
The conveyor belt 4 can be switched from a tensioned state to a relaxed state by rotating the second end roller 9 together with the rotating arm 10 about a horizontal rotating shaft 11. The conveyor belt 4 switched to the relaxed state can be returned to the tensioned state by rotating the second end roller 9 together with the rotating arm 10 downward about the rotating shaft 11. The second end roller 9, the rotation arm 10, the rotation shaft 11 and the like constitute belt loosening means 12 for loosening the transport belt 4.
[0017]
Further, the conveyor body 2 has a plurality of elongated plates in the shape of a U-shaped cross section for connecting the pair of frames 7 together, for example, a connecting body 15 that is a transverse body such as three stays. Reference numeral 15 denotes a state in which the longitudinal direction is orthogonal to the longitudinal direction of the frame 7.
[0018]
One of the three connecting bodies 15 is spanned between the longitudinal center portions of the pair of frames 7. Further, another connecting body 15 is spanned between the vicinity of one end in the longitudinal direction of the pair of frames 7, and further another connecting body 15 is spanned between the vicinity of the other end in the longitudinal direction of the pair of frames 7.
[0019]
Each connecting body 15 has a pair of rectangular plate-like side plate portions 16 that are spaced apart from each other, and the upper ends of the pair of side plate portions 16 are integrally connected by a rectangular plate-like upper plate portion 17.
[0020]
The upper plate portion 17 is formed with a plurality of, for example, eight first mounting holes 18 that are, for example, eight mounting holes, arranged in the longitudinal direction of the upper plate portion 17 with a space therebetween. It is circular and is located in the center of the upper plate portion 17 in the width direction. Further, as shown in FIG. 5 and FIG. 6, a plurality of, for example, two mounting hole portions arranged in the width direction of the upper plate portion 17 at intervals are provided at the central portion in the longitudinal direction of the upper plate portion 17. Two hole portions 19 are formed, and each second hole portion 19 is circular and is located at a position slightly shifted from the center in the width direction of the upper plate portion 17.
[0021]
Furthermore, the conveyor main body 2 has a plurality of, for example, twelve two-point fixed carrier rail supports and the like, and each fitting receiver 21 is detachably attached to the connecting body 15. In addition, four fitting receivers 21 are attached to one connecting body 15 in a state of being arranged at equal intervals in the longitudinal direction of the connecting body 15.
[0022]
Each fitting receiver 21 is a resin molded product integrally molded with synthetic resin or the like using a mold or the like, and as shown in FIGS. 2 to 4, the width of the upper plate portion 17 of the coupling body 15. The base plate 22 is formed in a rectangular plate shape having the same length as the size.
[0023]
From the lower surfaces of both sides in the longitudinal center portion of the base plate 22, a pair of insertion portions 23 that are spaced apart from each other with a predetermined distance project downward.
[0024]
Each insertion portion 23 has a substantially cylindrical columnar portion 24 whose outer diameter is slightly smaller than the opening diameter of the first hole portion 18. At the lower end of the cylindrical portion 24, a conical portion 25 having a substantially frusto-conical shape that is gradually reduced in diameter toward the bottom is integrally formed, and the outer diameter of the upper end of the conical portion 25 is the first. The outer diameter of the lower end of the conical portion 25 is slightly smaller than the outer diameter of the cylindrical portion 24.
[0025]
The insertion portion 23 is deformed so that the upper end outer diameter of the conical portion 25 can be temporarily made smaller than the opening diameter of the first hole portion 18 by elastic deformation when the fitting receiver 21 is attached to and detached from the connecting body 15. A notch 26 is formed. The notch 26 is formed from the lower end of the insertion portion 23 to the vicinity of the upper end, and the insertion portion 23 is constituted by a pair of divided pieces 27 that can move toward and away from each other.
[0026]
Then, the fitting receiver 21 is moved toward the connecting body 15 from above the upper plate portion 17 of the connecting body 15, and the two first hole portions 18 corresponding to each other while causing the pair of insertion portions 23 to be slightly elastically deformed. By inserting the base plate 22, the lower surface of the base plate 22 and the upper surface of the upper plate portion 17 of the connecting body 15 are brought into contact with each other. When the lower surface of the base plate 22 and the upper surface of the upper plate portion 17 of the connecting body 15 are in contact with each other, only the upper end of the columnar portion 24 of the insertion portion 23 is in the first hole 18 of the upper plate portion 17. The portion other than the upper end of the cylindrical portion 24 of the insertion portion 23 passes through the first hole portion 18 and is positioned below the lower surface of the upper plate portion 17.
[0027]
Thereafter, a fitting member 21 is connected to the coupling body 21 by fitting a fixing member 28 such as a substantially C-shaped clip on the outer periphery of the portion of the insertion portion 23 not positioned in the first hole 18 of the cylindrical portion 24. Fix against 15. The fitting receiver 21 can be removed from the coupling body 15 by removing the fixing member 28 from the insertion portion 23 and then lifting the insertion portion 23 while being slightly elastically deformed.
[0028]
On the other hand, from the upper surfaces of both end portions in the width direction of the base plate 22, a pair of elastically deformable sandwiching portions 31 that are spaced apart from each other via the support space 30 protrude upward. Each clamping plate 31 is formed in an elongated plate shape that is slightly curved so that the center side in the width direction bulges outward. The base plate 22 and the pair of sandwiching plates 31 constitute a support fitting portion 32 having a substantially U-shaped cross section that opens upward.
[0029]
The conveyor body 2 has a plurality of, for example, three guide bodies 41 such as three guides for preventing the conveyor belt 4 from meandering, and each guide body 41 is detachably attached to the connecting body 15. . One guide body 41 is detachably attached to one connecting body 15.
[0030]
Each guide body 41 is a resin molded product integrally molded with synthetic resin or the like using a mold or the like, and as shown in FIGS. 2, 5, 6, and the like, The base plate 42 is formed in a substantially rectangular plate shape having the same length as the width.
[0031]
An insertion portion 43 protrudes downward from the lower surface of one end side of the base plate 42 in the longitudinal direction. The insertion portion 43 has the same shape as the insertion portion 23 of the fitting receiver 21, and has a substantially cylindrical columnar portion 44 whose outer diameter is slightly smaller than the opening diameter of the second hole portion 19.
[0032]
At the lower end of the cylindrical portion 44, a conical portion 45 having a substantially frusto-conical shape, which is gradually reduced in diameter downward, is integrally formed, and the outer diameter of the upper end of the conical portion 45 is the first. The outer diameter of the lower end of the conical portion 45 is slightly smaller than the outer diameter of the cylindrical portion 44. The insertion portion 43 is used for deformation so that the upper end outer diameter of the conical portion 45 can be made smaller by elastic deformation than the opening diameter of the second hole portion 19 when the guide body 41 is attached to and detached from the connecting body 15. A notch 46 is formed. The notch 46 is formed from the lower end of the insertion portion 43 to the vicinity of the upper end, and the insertion portion 43 is constituted by a pair of divided pieces 47 that can move toward and away from each other.
[0033]
From the lower surface on the other end side in the longitudinal direction of the base plate 42, a rotation-preventing insertion protrusion 49 protrudes downward, and the insertion protrusion 49 is formed by a pair of arcuate portions 50 that face each other with a gap therebetween. It is configured.
[0034]
Then, like the fitting receiver 21, the guide body 41 is moved from above the upper plate portion 17 of the connection body 15 toward the connection body 15, and the one insertion portion 43 is slightly elastically deformed. By inserting into the second hole 19 and inserting the other insertion protrusion 49 into the corresponding second hole 19, the lower surface of the base plate 42 and the upper surface of the upper plate portion 17 of the coupling body 15 are brought into contact with each other. . When the lower surface of the base plate 42 and the upper surface of the upper plate portion 17 of the coupling body 15 are in contact with each other, only the upper end of the columnar portion 44 of the insertion portion 43 is in the second hole portion 19 of the upper plate portion 17. The portion other than the upper end of the columnar portion 44 of the insertion portion 43 passes through the second hole portion 19 and is positioned below the lower surface of the upper plate portion 17.
[0035]
Thereafter, a guide member 41 is attached to the connecting body 15 by fitting a fixing member 48 such as a substantially C-shaped clip on the outer periphery of the portion of the insertion portion 43 that is not located in the second hole portion 19 of the cylindrical portion 44. Fix against. The guide body 41 can be removed from the coupling body 15 by removing the fixing member 48 from the insertion portion 43 and then lifting the insertion portion 43 while being slightly elastically deformed.
[0036]
Further, from the upper surface of the central portion in the width direction of the base plate 42, a concave groove portion 51 having a substantially U-shaped cross section that opens upward protrudes upward. As shown in FIG. 5, the concave groove portion 51 regulates the movement of the conveyance belt 4 in the direction intersecting the conveyance direction X by guiding the protruding portion 4 b protruding from the back surface of the conveyance belt 4. The meandering of the conveyor belt 4 is prevented.
[0037]
On the other hand, as shown in FIGS. 1 to 4, the belt conveyor 1 has a plurality of elongate shapes, for example, 4, for supporting the back surface of the forward path surface portion 4 a from below while in surface contact with the back surface of the forward path surface portion 4 a of the transport belt 4. A belt support 55 such as a carrier rail is provided.
[0038]
Each of the four belt supports 55 can be attached to and detached from the fitting receiver 21 of the conveyor body 2. That is, each belt support 55 is detachable with respect to the support fitting part 32 of the fitting receiver 21 attached to the connecting body 15, and the conveyor main body only by fitting with the support fitting part 32. 2, and can be detached from the conveyor body 2 only by releasing the fitting with the support fitting portion 32.
[0039]
Each belt support 55 is positioned so that its longitudinal direction coincides with the conveyance direction X in a state of being fitted to the fitting receiver 21 of the conveyor body 2 and is equidistant in the direction perpendicular to the conveyance direction X. Are lined up. Each belt support 55 is supported horizontally at three locations, the longitudinal center portion and both longitudinal end portions, and is disposed between the upper forward surface portion 4a of the conveying belt 4 and the lower return surface portion (not shown). Yes.
[0040]
Each belt support 55 is formed in the shape of an elongated rod such as a hollow rod having a substantially elliptical cross section in which the upper and lower surfaces are flat portions 56 and both side surfaces are arc-shaped curved portions 57, and the belt supports 55 The curved surface portion 57 has a shape corresponding to the sandwiching plate 31. The belt support 55 such as a belt support rod may be made of metal or synthetic resin, and may be a hollow rod shape or a solid rod shape. The length dimension of the belt support 55 is set to a value substantially equal to the length dimension of the forward path surface portion 4a of the transport belt 4.
[0041]
Then, the belt support 55 is lowered from above the fitting receiver 21, and the fitting plate 21 is caused to enter the support space 30 while being slightly elastically deformed by the sandwiching plate 31 of the fitting receiver 21. It can be fitted and fixed to the 21 support fitting parts 32 with one touch. When the belt support 55 is in the fitted state with the support fitting part 32, the entire belt support 55 is located in the support space 30, and the curved surface part 57 is pressed in a planar shape with the sandwiching plate 31. At 31, it is sandwiched by a predetermined pressing force from both ends in the width direction. Note that by holding and lifting the belt support 55, the fitted state between the belt support 55 and the support fitting portion 32 of the fitting receiver 21 can be released with one touch.
[0042]
Next, the operation and the like of the one embodiment will be described.
[0043]
When transporting an object to be transported such as food on the belt conveyor 1, when the transport belt 4 in a tension state having a predetermined tension is rotated in a predetermined direction by the power from the driving means 5, the belt support 55 forms a horizontal plane. The forward path surface portion 4a supported by the slider slides on the belt support 55, and the object to be transported placed on the surface of the sliding forward path surface portion 4a faces the transport direction X while being placed. Be transported.
[0044]
On the other hand, when the belt conveyor 1 is washed, for example, washed with water, the operator rinses, for example, the front side of the conveyor belt 4 and also loosens the conveyor belt 4 with the belt loosening means 12 and also rinses the back side.
[0045]
Further, the operator releases each belt support 55 individually from the conveyor body 2 as necessary by releasing the fitted state between the belt support 55 and the support fitting portion 32 of the fitting receiver 21. The belt support 55 thus removed is washed with water. The washed belt support 55 is attached to the conveyor body 2 by fitting.
[0046]
According to the belt conveyor 1, the belt support 55 can be easily detached from the conveyor body 2 by releasing the engagement with the support body fitting portion 32 of the conveyor body 2 without using a tool, and the belt. Since the support body 55 can be easily attached to the conveyor body 2 by fitting with the support body fitting portion 32 of the conveyor body 2, each of the plurality of belt support bodies 55 having an elongated bar shape can be easily and individually provided. Therefore, it is possible to easily perform a cleaning operation such as washing with water.
[0047]
In addition, since each belt support 55 is formed in an elongated rod shape that is a simple shape, dirt attached to the belt support 55 can be easily removed, the belt support 55 itself can be easily cleaned, and the support The fitting part 32 can be fitted and removed very easily.
[0048]
Further, each belt support 55 is in a fixed state in which the belt support 55 is positioned in the support space 30 and is sandwiched between the pair of sandwiching plates 31 in the fitted state with the support fitting part 32 of the conveyor body 2. Therefore, it is possible to appropriately prevent the belt support 55 and the support fitting part 32 from being inadvertently released.
[0049]
On the other hand, the fitting receiver 21 and the guide body 41 can be directly attached to the mounting holes 18 and 19 of the connecting body 15 without using a tool, and the belt support 55 is connected via the fitting receiver 21. Since it can be attached to the body 15, the assembly work can be facilitated by the tool-less one-touch attachment, the assembly time can be shortened, and the product accuracy can be improved.
[0050]
Further, since the attachment holes 18 and 19 are formed in the connecting body 15 by punching press processing, the processing accuracy can be improved, and the insertion portions 23 and 43 are inserted into the attachment holes 18 and 19, and the fixing member 28 is inserted. , 48 can be fixedly attached to the attachment holes 18 and 19 of the connecting body 15 securely.
[0051]
Further, in the case of a configuration in which the forward path surface portion 4a of the conveyor belt 4 is supported by a support plate (not shown) spanned between the frames 7, a metal tape such as SUS for preventing belt adsorption is attached to the support plate. However, it is necessary to bend the end of the metal tape. However, the belt support 55 is an elongated belt having a width of less than half of the width of the conveyor belt 4, for example, about 1/9 of the width. Therefore, a metal tape such as SUS for preventing belt adsorption can be eliminated, and productivity can be improved.
[0052]
Note that the number of the belt supports 55 that support the forward path surface portion 4a of the transport belt 4 is not limited to four, and may be three, five or more, for example, six, eight, and the like.
[0053]
Further, a urethane (not shown) is provided between the belt support 55 and the support fitting portion 32 of the fitting receiver 21 so that the belt support 55 does not move inadvertently along the longitudinal direction of the belt support 55. A non-slip means such as the above may be provided.
[0054]
Further, a stopper (not shown) that restricts the belt support 55 from moving in the transport direction X by contact with the end of the belt support 55 is provided at one end of the conveyor body 2, that is, at the end downstream of the transport direction X. You may provide in a part.
[0055]
In addition, the connecting body 15 and the fitting receiver 21 may not be separated and the connecting body 15 and the fitting receiver 21 may be integrated.
[0056]
【The invention's effect】
According to the present invention, each of the conveyor main bodies can be attached to and detached from the conveyor main body, and is positioned so that the longitudinal direction thereof coincides with the transport direction when attached to the conveyor main body, and supports the back surface of the forward path surface portion of the transport belt. Since it is the structure which uses a some elongate belt support body, each belt support body can be remove | desorbed separately .
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of a belt conveyor according to the present invention.
FIG. 2 is a partially enlarged perspective view of the belt conveyor.
FIG. 3 is a side view of the fitting receiver of the belt conveyor.
FIG. 4 is a side view of the same fitting receiver.
FIG. 5 is a side view of a guide body of the same belt conveyor.
FIG. 6 is a side view of the same guide body.
[Explanation of symbols]
1 Belt conveyor 2 Conveyor body 4 Conveyor belt
4a Outward road surface 7 Frame
21 Mating receptacle
30 Space for support
31 clamping plate
32 Support mating part
55 Belt support
56 Plane section
57 Curved surface X Transport direction

Claims (2)

A conveyor body;
An endless transport belt that is provided in the conveyor body so as to be able to turn, and transports the object to be transported on the surface of the forward path surface by turning,
It is detachable from the conveyor body, and is attached to the conveyor body so that its longitudinal direction is aligned with the transport direction, and supports the back surface of the forward path surface portion of the transport belt. A plurality of belt supports,
The conveyor body includes a support fitting portion,
The belt support body can be attached to the conveyor body only by fitting with the support body fitting portion, and can be detached from the conveyor body only by releasing the fitting with the support body fitting portion. We have been,
The support fitting portion has a curved clamping plate that forms a pair that can be elastically deformed and spaced apart from each other via a support space.
The belt support is formed in an elongated rod shape having a substantially oval cross section in which the upper and lower surfaces are flat portions and the both side surfaces are curved portions corresponding to the holding plate, and is fitted to the support fitting portion. In the state, the belt conveyor is characterized in that substantially the whole is located in the support space, and the curved surface portion is brought into pressure contact with the sandwiching plate in a planar shape and is sandwiched by the sandwiching plate . The conveyor body includes a pair of frames that are spaced apart from each other, a coupling body that couples the pair of frames, and a fitting receiver that is detachably attached to the coupling body,
The fit receiving body, according to claim 1 Symbol mounting belt conveyor and having a support fitting unit for belt support and fit.

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