JP2002087567A - Belt having projection for conveyance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a belt having a projection for conveyance for preventing a conveyed object to be jammed between a projection member for conveyance and the back face of the belt. SOLUTION: This belt having the projection for conveyance comprises a support part 4 integrally stood on the back face of the belt and the projection member 6 for conveyance having a pair of leg parts 7 and 8 for grabbing the support part 4 and fixed to the support part 4 so as to direct a conveying surface 6a in the belt running direction. The front side leg part 7 positioned on the front side in the belt running direction of the support part 4 of the pair of leg parts for grabbing the support part 4 contacts with a front side leg corresponding part 9 corresponding to the front side leg part 7 on the back face of the belt. The length of front side leg part 7 is set longer than that of the back side leg part 8 positioned on the back side in the belt running direction with respect to the support part 4, and the front side leg part corresponding part 9 is formed in a recessed part loosely engaging with the front side leg part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a belt with a projection for conveyance.

[0002]

2. Description of the Related Art A belt with a transfer projection is a belt provided with a transfer projection on the back surface of the belt, and is widely used to transfer paper sheets and the like.

[0003] The transport projections of the belt with the transport projections are provided integrally on the back surface of the belt, and when the thickness of the projections is increased in order to improve the strength of the projections,
Since it is difficult to properly wind the belt around the small pulley, a support section is erected on the back of the belt, and the transfer projection member is fixed to the support section so that the support section is fitted or pinched. There is also.

[0004]

However, when an attempt is made to convey a conveyed object such as a paper sheet using a conveyed belt provided with a conveyed projection member fixed to a support portion, the conveyed projection member is conveyed. The belt is pressed rearward in the belt traveling direction, and a pressing force acts on the transporting projection member so as to fall down on the rear side in the belt traveling direction with the base end of the support portion as a fulcrum. There is a problem that a gap is formed in the gap, and a conveyed object is caught in the gap.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a transfer projection having a structure in which a transfer object is not sandwiched between the transfer protrusion member and the back of the belt. To provide a belt.

[0006]

According to the present invention, there is provided a belt structure in which a gap is not formed between the projection member for conveyance and the back surface of the belt, or the formation of the gap is suppressed. A belt structure provided with a member for preventing entry into the gap is intended to prevent a conveyed object from being caught between the conveying protrusion member and the belt rear surface.

More specifically, the solution of the present application is to have a support portion integrally provided on the back of the belt, and a pair of legs for externally fitting or holding the support portion, and the transport surface is in the belt running direction. A transfer projection member fixed to the support portion so as to face the support portion, and a front side of the support portion in the belt traveling direction of the pair of legs for externally fitting or nipping the support portion of the transfer projection member. , And a front projection corresponding to the front leg corresponding to the front leg on the back side of the belt.

The first solution is that the front leg has a length longer than a rear leg positioned on the rear side in the belt running direction with the support portion interposed therebetween.
The front leg corresponding portion is formed in a concave portion into which the front leg is loosely fitted.

According to the above configuration, the state in which the front leg is fitted to the corresponding portion of the front leg is maintained, so that no gap is formed at the lower end of the conveyance surface so that a conveyed object can be entered. This prevents the transported object from being trapped.

A second solution is that a projection is provided at or near the front end in the belt running direction of the front leg corresponding portion, and the projection is accommodated on the bottom surface of the front leg. According to the above configuration, in which the notch is provided, even if a gap is formed between the front leg and the front leg corresponding portion, the protrusion accommodated in the notch is It appears and blocks the entry of the conveyed object, thereby preventing the conveyed object from being caught between them.

Here, the shape of the projection provided on the front leg corresponding portion is not particularly limited, but from the viewpoint that the intrusion of the conveyed object can be prevented over the entire width of the belt, the projection extending in the belt width direction is used. It is preferable to make it an article.

A third solution is characterized in that a side projection is provided on the side surface of the front leg portion so as to hang down from the front end portion or the vicinity of the end portion in the belt running direction so as to cover the belt side surface. I do.

According to the above configuration, even when a gap is formed between the front leg and the front leg corresponding portion, the belt side is covered from the front end or the vicinity of the end of the side of the front leg in the belt running direction. The suspended lateral projections prevent the transported object from entering and prevent the transported object from being caught between them.

Here, the side projections may be provided only on the side surface of one of the front leg portions. However, from the viewpoint that the entry of the conveyed material can be more securely prevented, the side projections are provided on both side surfaces of the front leg portion. Is preferred.

A fourth solution is characterized in that a projection is provided on the back side of the belt, on the front side in the belt running direction from the corresponding portion on the front side leg portion.

According to the above arrangement, even if a gap is formed between the front leg and the front leg corresponding portion, the projection provided on the back side of the belt at the front side in the belt running direction from the front leg corresponding portion is conveyed. This prevents entry of objects and prevents a conveyed object from being caught between them.

Here, the shape of the projection is not particularly limited, but it is preferable to use a projection extending in the width direction of the belt from the viewpoint that the intrusion of the conveyed object can be prevented over the entire width of the belt.

According to a fifth aspect of the present invention, the support portion integrally provided on the back surface of the belt is inclined forward in the belt traveling direction with respect to the back surface of the belt.

According to the above construction, the support portion supports the transporting projection member like a stick, and the transporting projection member is pressed rearward in the belt running direction, and the transporting projection member is supported by the support portion base. Even if a pressing force is applied to the rear side in the belt running direction with the end as a fulcrum, the stick-like support of the support portion resists the pressing force, and as a result, the front leg and the front leg corresponding portion The formation of a gap between them is suppressed, and a conveyed object is prevented from being caught between them.

According to a sixth aspect of the present invention, the front leg is configured to pre-compress the front leg corresponding portion.

According to the above construction, the force for rotating the conveying projection member toward the front in the belt traveling direction with the base end of the support portion as a fulcrum always acts, and the conveying projection member is moved in the belt traveling direction. Even if the pressing force is applied to the rear of the conveying projection member so as to fall to the rear side in the belt running direction with the base end of the support portion as a fulcrum, the force resists the pressing force, and thereby the front leg portion The formation of the gap between the front leg portion and the front leg corresponding portion is suppressed, and the transported object is prevented from being caught between them.

As a specific configuration, the front leg may be set so that the length of the leg is longer than the support.

Further, the support portion is displaced rearward in the belt traveling direction so that the support portion exerts an elastic force for returning to the front side in the belt traveling direction, and is attached to the pair of legs of the transporting projection member. It may be fitted or pinched. At this time, the support portion vertically erected on the back surface of the belt may be displaced rearward in the belt running direction, and the support portion erected on the back surface of the belt inclined forward in the belt running direction may be displaced. The supporting portion may be displaced rearward in the belt traveling direction, and furthermore, a support portion that is erected on the rear surface of the belt and may be inclined rearward in the belt traveling direction may be further displaced rearward in the belt traveling direction.

[0024] Further, of the pair of legs of the conveying projection member on the back surface of the belt, a rear leg corresponding portion corresponding to a rear leg located behind the support portion in the belt running direction is formed on the convex portion. The rear leg corresponding portion may press the rear leg.

A seventh solution is that the rear leg of the pair of legs of the conveying projection member, which is located on the rear side in the belt running direction of the support portion, corresponds to the rear leg on the back surface of the belt. The rear leg corresponding portion to be compressed is pre-compressed.

According to the above configuration, the support of the rear leg portion in contact with the rear leg corresponding portion is always maintained, and the transport projection member is pressed rearward in the belt traveling direction, and Even if a pressing force acts on the protruding member so as to fall backward in the belt running direction with the base end of the support portion as a fulcrum, the contact support resists the pressing force, and thereby the front leg portion and the front leg corresponding portion. The formation of a gap between them is suppressed, and the conveyed object is prevented from being caught between them.

As a specific configuration, the rear leg may be set so that the length of the leg is longer than the support.

Further, the supporting portion is displaced to the front side in the belt running direction by the pair of legs of the conveying projection member in a state where the supporting portion is displaced to the front side in the belt running direction so as to exhibit an elastic force for returning to the rear side in the belt running direction. It may be fitted or pinched. At this time, the support portion vertically erected on the back of the belt may be displaced to the front side in the belt running direction, and the support portion erected on the back of the belt inclining rearward in the belt running direction may be displaced. It may be displaced to the front in the belt running direction, and furthermore, the supporting portion, which is erected at the back of the belt and tilted forward in the belt running direction, may be further displaced to the front in the belt running direction.

[0029]

As described above, according to the first solution of the present invention, the state in which the front leg is fitted to the front leg corresponding portion is maintained, so that the conveyed object is located at the lower end of the conveying surface. Thus, no gap is formed in which the conveyed object can enter, and it is possible to prevent the conveyed object from being caught between them.

Further, according to the second solution, even if a gap is formed between the front leg and the front leg corresponding portion, the projection accommodated in the notch appears and the entry of the conveyed article occurs. Is prevented, and it is possible to prevent a conveyed object from being caught between them.

Further, according to the third solution, even if a gap is formed between the front leg and the front leg corresponding portion, the side of the front leg from the front end or near the end in the belt running direction. The lateral projections hanging down so as to cover the side surfaces of the belt block the entry of the conveyed object, and can prevent the conveyed object from being caught between them.

Further, according to the fourth solution, even if a gap is formed between the front leg portion and the front leg portion, the belt is provided on the back side of the belt at a position forward of the front leg portion in the belt traveling direction. The projections prevent the transported object from entering, and it is possible to prevent the transported object from being caught between them.

[0033] According to the fifth solution, the support portion supports the transporting protruding member like a stick.
Even if the conveying protrusion is pressed rearward in the belt running direction and a pressing force is applied to the conveying protruding member so as to fall rearward in the belt running direction with the base end of the support as a fulcrum, the support portion is caught. The bar-like support resists the pressing force, whereby the formation of a gap between the front leg and the front leg corresponding portion is suppressed, and it is possible to prevent a conveyed product from being caught between them. .

According to the sixth aspect of the present invention, a force for rotating the transfer projection member forward in the belt running direction with the base end of the support portion as a fulcrum always acts, so that the transfer projection member is provided. Is pressed to the rear side in the belt running direction, and even if a pressing force is applied to the transporting projection member so as to fall to the rear side in the belt running direction with the base end of the support portion as a fulcrum, the force resists the pressing force. As a result, the formation of a gap between the front leg portion and the front leg corresponding portion is suppressed, and it is possible to prevent a conveyed object from being caught between them.

Further, according to the seventh solution, the contact support of the rear leg corresponding to the rear leg corresponding portion is always maintained, and the conveying projection member is pressed rearward in the belt traveling direction. Even if a pressing force is applied to the transporting projection member in such a manner that the supporting portion base point is used as a fulcrum and the belt is moved rearward in the belt running direction, the abutting support resists the pressing force, whereby the front leg and the front side are supported. The formation of a gap with the leg corresponding portion is suppressed, and it is possible to prevent a conveyed object from being caught between them.

[0036]

Embodiments of the present invention will be described below in detail with reference to the drawings.

(Embodiment 1) FIG. 1 shows a belt with a conveying projection according to Embodiment 1 of the present invention. This belt with a projection for conveyance is a kind of a toothed belt, and has a belt body 1 made of a polyurethane composition having belt teeth 2, 2,. A core wire 3 made of aramid fiber as a tensile member is embedded along the tooth root portion of No. 2.

On the back surface of the belt, a plate-like support portion 4 whose plate surface faces the belt running direction is integrally provided upright at a position corresponding to the belt teeth 2 of the belt main body 1. The plate-like support part 4 is a belt tooth 2
The reason why they are provided at the corresponding positions is to reduce the influence on the belt bending rigidity. The plate-shaped support portion 4 has three through holes 4a, 4a,
4a are provided, and stainless steel (SUS) pins 5, 5, 5 are inserted and mounted in the through holes. Further, a transfer projection member 6 made of acetal resin (POM) is provided so as to sandwich the plate-shaped support portion 4 and bury the pins 5, 5, and 5. With such a configuration, a high-strength transport projection member having a high strength is firmly provided without impairing the bending resistance of the belt. For example, in the case of an S3M type belt having a belt tooth pitch of 3 mm, the transport projection member Has a fixing strength of 40 N or more and can withstand 200,000 bendings.

The front leg 7 constituting a portion on the belt traveling direction front side of the plate-like support portion 4 of the transfer projection member 6, that is, the portion on the side of the transfer surface 6 a, sandwiches the plate-like support portion 4 of the front leg portion 7. It is formed longer than the rear leg 8 located on the rear side in the belt running direction. The front leg corresponding portion 9 corresponding to the front leg 7 on the back of the belt is formed in a concave groove having a U-shaped cross section extending in the belt width direction. Then, the lower portion of the front leg 7 is loosely fitted to the front leg corresponding portion 9 of the concave groove, thereby preventing the transported object from entering between the front leg 7 and the front leg corresponding portion 9. A conveyed object entry blocking unit 10 is configured. Further, on the upper surface of the transport surface 6a,
A protrusion restricting portion 6b for restricting the conveyed material from protruding is provided in the belt length direction.

The belt with a transfer projection presses a conveyed object such as a sheet of paper by a conveyance protrusion member 6 provided on the back surface of the belt and horizontally conveys the conveyed object. It is used for vertical transportation.

According to the belt with the projections for transport having the above-described configuration, the state in which the front leg 7 is fitted to the front leg corresponding portion 9 is maintained, so that the gap through which the transported object can enter the lower end of the transport surface 6a. Are not formed, and the transported object is prevented from being sandwiched between them.

Next, a method of manufacturing this belt with a transporting projection will be described. <Belt body forming step> First, a cylindrical inner mold for forming a toothed belt, and a cylindrical hole-shaped outer mold configured so that a plate-shaped support portion and a concave groove adjacent thereto are formed on the back surface of the belt. The urethane prepolymer composition is poured into a casting mold in which is concentrically arranged, and is heated and cured. As a result, a belt body is formed in which the belt teeth are provided at a predetermined pitch on the inner surface of the belt, and the plate-like support portion and the concave groove are provided on the back surface of the belt. The core is set in a tensioned state in advance in the inner mold before injecting the composition, so that the core is embedded in the belt.
<Pin mounting step> Next, a hole is formed in the plate-shaped support portion, a stainless steel (SUS) pin as a rod-shaped member is passed through both of the holes, and the pin is passed through the plate-shaped support portion and held. . <Injection molding die setting step> Subsequently, only the plate-shaped support portion with the pin mounted therein is inserted into an injection molding die provided with a cavity for molding the transfer projection member and set at a predetermined position. . <Resin Injection Step> Then, the molten acetal resin (POM) is injected into the injection mold. by this,
The pin mounted on the plate-like support portion is embedded in the resin, and the plate-like support portion is sandwiched in the belt traveling direction by a transfer protrusion member formed by curing the resin, and the belt of the transfer protrusion member The front portion (front leg) in the traveling direction is loosely fitted in the concave groove (front leg corresponding portion) on the back of the belt. <Demolding Step> Finally, the protruding member attached to the belt is removed from the injection mold.

(Embodiment 2) FIG. 2 shows a belt with transport projections according to Embodiment 2 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals.

In this belt with a projection for conveyance, a ridge 11 having a substantially semicircular cross section extending in the belt width direction is integrally provided near the front side of the front leg corresponding portion 9 in the belt running direction, while the front leg is provided. The bottom surface 7 is provided with a concave groove 12 having a substantially semicircular cross section extending in the belt width direction for accommodating the ridge 11, and the ridge 11 is loosely fitted into the concave portion 12 so that the front side is formed. A conveyed article entry preventing section 13 for preventing the conveyed article from entering between the leg 7 and the front leg corresponding section 9 is configured.

In addition, the structure is the same as that of the first embodiment except that the front leg 7 and the rear leg 8 are formed to have the same length, and the front leg corresponding portion 9 is not formed in the concave groove. It is.

According to the belt with a transporting projection having the above-described configuration, even when a gap is formed between the front leg portion 7 and the front leg corresponding portion 9, the ridge 11 housed in the concave groove 12 appears. As a result, the transport object is prevented from entering, and the transport object is prevented from being caught between them.

(Embodiment 3) FIG. 3 shows a belt with transport projections according to Embodiment 3 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals.

In this belt with a projection for conveyance, a projection 14 whose section in the belt width direction is corrugated is integrally provided at the front end of the front leg corresponding portion 9 in the belt running direction, while the front end of the front leg 7 is provided. Is provided with a notch 15 for accommodating the projection 14, and the projection 14 is accommodated in the notch 15, so that the front leg 7 and the front leg corresponding portion 9 can be inserted between the notch 15. A conveyed material entry preventing unit 16 for preventing the conveyed material from entering is configured.

Other configurations, functions and effects are the same as those of the second embodiment.
Is the same as

(Embodiment 4) FIG. 4 shows a belt with transport projections according to Embodiment 4 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals.

In the belt with the projections for conveyance, projections 17 each having a rectangular cross section are integrally provided at both ends in the belt width direction at the front end in the belt running direction of the front leg corresponding portion 9, while the front leg 7 is provided. Notches 18 for accommodating the respective projections 17 are provided at both ends in the belt width direction at the front end, respectively.
Since the projections 17 are accommodated in the cutouts 18, 18, a conveyed material entry preventing portion 19 for preventing the conveyed material from entering between the front leg 7 and the front leg corresponding portion 9 is configured. Have been.

Other configurations, functions and effects are the same as those of the second embodiment.
Is the same as

(Embodiment 5) FIG. 5 shows a belt with transport projections according to Embodiment 5 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals.

In this belt with a projection for conveyance, a ridge 20 having a rectangular cross section is provided integrally at the center in the belt width direction at the front end of the front leg corresponding portion 9 in the belt running direction, while the front leg portion is provided. A notch 21 for accommodating the ridge 20 is provided at the center of the belt width direction at the front end of the front leg 7.
A conveyed material entry preventing portion 22 for preventing the conveyed material from entering between the front leg portion corresponding portion 9 and the front leg corresponding portion 9 is configured.

Other configurations, operations, and effects are the same as those of the second embodiment.
Is the same as

(Embodiment 6) FIG. 6 shows a belt with transport projections according to Embodiment 6 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals.

In this belt with transport projections, the plate-shaped support portion 4 is provided with two vertically arranged through holes 4a, 4a, and a stainless steel (SUS) pin 5 is provided in the through holes 4a, 4a. , 5 are inserted and mounted. A side protrusion 23 is provided integrally with the front leg 7 so as to hang down so as to cover the side surface of the belt from the front end in the belt running direction.

In addition, the configuration is the same as that of the first embodiment except that the front leg 7 and the rear leg 8 are formed to have the same length, and the front leg corresponding portion 9 is not formed in the concave groove. It is.

According to the belt with the above-described configuration, even if a gap is formed between the front leg 7 and the front leg corresponding portion 9, the end of the side surface of the front leg 7 on the front side in the belt running direction. The lateral projection 23 hung so as to cover the side surface of the belt prevents the transported object from entering, and the transported object is prevented from being caught between them.

(Embodiment 7) FIG. 7 shows a belt with a conveying projection according to Embodiment 7 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals.

In this belt with transport projections, the plate-like support portion 4 is provided with two vertically arranged through holes 4a, 4a, and stainless steel (SUS) pins 5, 5 are provided in the through holes. Inserted and mounted. Further, a ridge 24 having a substantially trapezoidal cross section extending in the belt width direction is provided integrally with the front leg corresponding portion 9 on the back side of the belt on the front side in the belt traveling direction.

In addition, the configuration is the same as that of the first embodiment except that the front leg 7 and the rear leg 8 are formed to have the same length, and the front leg corresponding portion 9 is not formed in the concave groove. It is.

According to the belt with a conveying projection having the above-described structure, even if a gap is formed between the front leg 7 and the front leg corresponding portion 9, the belt is moved in the belt traveling direction by the front leg corresponding portion 9 on the back of the belt. The ridges 24 provided on the front side prevent the articles from entering, and prevent the articles from being caught between them.

(Embodiment 8) FIG. 8 shows a belt with transport projections according to Embodiment 8 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals.

In this belt with a projection for conveyance, the plate-shaped support portion 4 is provided upright so as to be inclined forward in the belt running direction with respect to the back surface of the belt. That is, the belt main body 1 is formed in which the plate-like support portion 4 is inclined forward in the belt traveling direction and is erected on the back surface of the belt.

In addition, the structure is the same as that of the first embodiment except that the front leg 7 and the rear leg 8 are formed to have the same length, and the front leg corresponding portion 9 is not formed in the concave groove. It is.

According to the belt having the above-mentioned configuration, the plate-like support portion 4 supports the transporting projection member 6 like a stick, and the transporting projection member 6 is pressed rearward in the belt traveling direction. Even if a pressing force is applied to the conveying projection member 6 so that the base end of the plate-shaped support portion 4 acts as a fulcrum, the flat-shaped support portion of the plate-shaped support portion 4 is pressed. It resists the pressure, thereby suppressing the formation of a gap between the front leg 7 and the front leg corresponding portion 9, and prevents a conveyed product from being caught between them.

(Embodiment 9) FIG. 9 shows a belt with transport projections according to Embodiment 9 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals.

In the belt with the projections for conveyance, the leg length of the front leg 7 is set longer than the plate-like support 4 and the rear leg 8, and the elasticity of the plate-like support 4 causes the front leg 7 to have a longer length. Are designed to pre-compress the front leg corresponding portion 9.

In addition, the structure is the same as that of the first embodiment except that the front leg corresponding portion 9 is not formed in the concave groove.

According to the belt with the projections for conveyance having the above-described configuration, the elasticity of the plate-like support 4 causes the conveyance projection member 6 to rotate forward with respect to the base end of the plate-like support 4 in the belt running direction. Force always acts, the transporting projection member 6 is pressed to the rear side in the belt traveling direction, and the transporting projection member 6 tries to fall to the rear side in the belt traveling direction with the base end of the plate-shaped support portion 4 as a fulcrum. Even if a pressing force acts, the force resists the pressing force, thereby suppressing the formation of a gap between the front leg 7 and the front leg corresponding portion 9, and a conveyed object is sandwiched between them. Is prevented.

(Embodiment 10) FIG. 10 shows a belt with transport projections according to Embodiment 10 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals.

In this belt with a projection for conveyance, the rear leg corresponding portion 25 is formed as a convex portion inclined upward and rearward in the belt running direction, and the rear leg corresponding portion 25 presses the rear leg. Thereby, the front leg 7 is configured to pre-compress the front leg corresponding portion 9. Further, in a resin injection process at the time of manufacturing a belt, as shown in FIG.
The conveying projection member 6 is formed in a state where the belt main body 1 is bent, and when the belt main body 1 is straightened as shown in FIG. 10 (a), the rear leg 8 becomes the rear leg corresponding portion 25. The leg length of the rear leg 8 is set so as to pre-compress with slight interference. In addition, the lower end of the rear leg 8 is connected to the rear leg corresponding portion 25.
Is formed so that the entire lower end of the rear leg portion 8 abuts on the rear leg corresponding portion 25. Further, the lower end of the front leg 7 is also formed on an inclined surface extending in the same direction as the lower end of the rear leg 8, thereby concentrating the force on the front end and causing the front leg 7 to respond to the front leg corresponding to a strong pressing force. 9 is precompressed.

In addition, the structure is the same as that of the first embodiment except that the front leg 7 and the rear leg 8 are formed to have the same length, and the front leg corresponding portion 9 is not formed in the concave groove. It is.

According to the belt with a transporting projection having the above-described structure, the rear leg corresponding portion 25 presses the rear leg 8 so that the transporting projecting member 6 has the base end of the plate-shaped support portion 4 as a fulcrum. A force for rotating the belt forward in the belt running direction always acts, and the transporting projection member 6 is pressed rearward in the belt running direction, and the transporting projection member 6 is supported by the base end of the plate-shaped support portion 4 as a fulcrum. Even if a pressing force is applied to the rear side in the belt running direction, the force resists the pressing force, thereby suppressing the formation of a gap between the front leg 7 and the front leg corresponding portion 9. Therefore, it is possible to prevent a conveyed object from being caught between them.

(Embodiment 11) FIG. 11 shows a belt with transport projections according to Embodiment 11 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals.

In this belt with a projection for conveyance, the projection member 6 for conveyance is formed by injection molding in a state in which the plate-like support portion 4 erected vertically on the back of the belt is displaced so as to be inclined forward in the belt running direction. The rear leg 8 is configured to pre-compress the rear leg corresponding portion 25 so that the plate-like support portion 4 always exerts an elastic force to return to the rear side in the belt running direction. .

In addition, the same structure as that of the first embodiment except that the front leg 7 and the rear leg 8 are formed to have the same length, and the front leg corresponding portion 9 is not formed in the concave groove. It is.

According to the belt having the above-described configuration, the contact support of the rear leg 8 with the rear leg corresponding portion 25 is always maintained, and the transport projection member 6 is moved in the belt traveling direction. Even if it is pressed to the rear side and a pressing force is applied to the transporting projection member 6 so as to fall to the rear side in the belt running direction with the base end of the plate-shaped support portion 4 as a fulcrum, the contact support resists the pressing force. ,
As a result, the formation of a gap between the front leg 7 and the front leg corresponding portion 9 is suppressed, and a conveyed object is prevented from being caught between them.

(Other Embodiments) Embodiments 1 to 1
In 1, the belt body 1 is a toothed belt, but is not limited to this, and may be a flat belt, a V belt, or the like.

In the first to eleventh embodiments, the belt body 1 is made of thermosetting polyurethane. However, the present invention is not limited to this, and the belt body 1 may be made of rubber.

In the first to eleventh embodiments, the pin 5
However, the present invention is not limited to this, and any rod-shaped member such as a bolt may be used. Further, the rod-shaped member may be made of a metal such as stainless steel (SUS), gunmetal material (BSBM), or aluminum, or may be made of a resin.

In the first to eleventh embodiments, the transfer projection member 6 is made of acetal resin (POM). However, the present invention is not limited to this.
A), polycarbonate resin (PC), acrylonotrile-butadiene-styrene resin (ABS), and the like.

In the first to eleventh embodiments, the transport projecting member 6 is fixed to the plate-shaped support portion 4 by the pins 5, 5,... However, the present invention is not limited to this. For example, a transfer projection member having an insertion hole into which a plate-shaped support portion can be inserted is formed in advance, an adhesive is poured into the insertion hole, and the plate-shaped support portion is inserted into the adhesion portion. The composition may be such that the agent is cured.

In the second to fifth embodiments, the ridge 11
Alternatively, the projections 14, 17, 20 are provided integrally with the front leg corresponding portion 9 on the back surface of the belt, and in the sixth embodiment, the side projections 23 are provided.
Are provided integrally with the transfer projection member 6 and in the seventh embodiment, the protrusions 24 are provided integrally with the belt back surface. However, the present invention is not particularly limited thereto. It may be formed on the body and attached and fixed to the projecting member for conveyance or the back of the belt.

In the sixth embodiment, the side projections 23
Is provided only on one side surface of the transport projection member 6, but the present invention is not particularly limited thereto, and may be provided on both side surfaces. In this case, the entry of the conveyed object is more reliably prevented.

In the ninth embodiment, the length of the leg of the front leg 7 is set to be longer than that of the plate-shaped support portion 4 and the rear leg 8. In the tenth embodiment, the leg corresponding to the rear leg is provided. The rear leg 8 presses the rear leg corresponding portion 25, and the front leg 7 pre-compresses the front leg corresponding portion 9. The plate-shaped support is externally fitted or pinched by the pair of legs of the transporting projection member in a state where the support is displaced to the front side in the belt traveling direction so as to exhibit an elastic force to return to the rear side in the belt traveling direction. You may do so. At this time, the plate-shaped support portion vertically erected on the back of the belt may be displaced rearward in the belt running direction, and the plate-shaped support erected on the back of the belt inclined forward in the belt running direction. May be displaced rearward in the belt traveling direction, and furthermore, a plate-shaped support portion that is erected on the back side of the belt and inclined and inclined rearward in the belt traveling direction is further displaced rearward in the belt traveling direction. Is also good.

Further, in the eleventh embodiment, the pair of leg portions 7 of the transfer projection member 6 are displaced so that the plate-like support portion 4 erected perpendicularly to the rear surface of the belt is inclined forward in the belt running direction. , 8 so that the plate-shaped support portion 4 always exerts an elastic force to return to the rear side in the belt running direction, but is erected on the back surface of the belt in a slanted rear side in the belt running direction. The plate-shaped support portion may be displaced to the front side in the belt traveling direction, and furthermore, the plate-shaped support portion that is erected on the back surface of the belt inclining to the front side in the belt traveling direction may be further displaced to the front side in the belt traveling direction. Is also good.

Further, in the eleventh embodiment, the rear leg 8 is formed so that the plate-like support portion 4 always exerts an elastic force to return to the rear side in the belt running direction, and the rear leg portion 8 corresponds to the rear leg corresponding portion 2.
5 is pre-compressed, but the leg length of the rear leg may be set longer than that of the support portion.

[Brief description of the drawings]

FIG. 1A is a front view and FIG. 1B is a side view of a belt with a transfer protrusion according to a first embodiment of the present invention.

FIG. 2A is a front view and FIG. 2B is a side view of a belt with a transfer protrusion according to a second embodiment of the present invention.

FIG. 3A is a front view and FIG. 3B is a side view of a belt with a transfer protrusion according to a third embodiment of the present invention.

4A is a front view and FIG. 4B is a side view of a belt with a transfer protrusion according to a fourth embodiment of the present invention.

5A is a front view and FIG. 5B is a side view of a belt with a transfer protrusion according to a fifth embodiment of the present invention.

FIG. 6A is a front view and FIG. 6B is a side view of a belt with a transfer protrusion according to a sixth embodiment of the present invention.

FIG. 7A is a front view and FIG. 7B is a side view of a belt with a transfer protrusion according to a seventh embodiment of the present invention.

FIG. 8A is a front view and FIG. 8B is a side view of a belt with a projection for conveyance according to an eighth embodiment of the present invention.

FIG. 9A is a front view and FIG. 9B is a side view of a belt with a transfer protrusion according to a ninth embodiment of the present invention.

FIG. 10A is a front view, FIG. 10B is a side view, and FIG. 10C is a side view of a belt with a protrusion protruded, according to a tenth embodiment of the present invention.

11A is a front view and FIG. 11B is a side view of a belt with a projection for conveyance according to Embodiment 11 of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Belt main body 2 Belt teeth 3 Core wire 4 Plate-shaped support portion 4a Through hole 5 Pin 6 Conveying projection member 6a Conveying surface 6b Extrusion restricting portion 7 Front leg 8 Rear leg 9 Front leg corresponding portion 10, 13, 16, 19, 22 Conveyance entry preventing portion 11, 24 Projection 12 Depression groove 14, 17, 20 Projection 15, 18, 21 Notch 23 Side projection 25 Rear leg corresponding portion

Claims (12)

[Claims] 1. A support portion integrally provided on a back surface of a belt, and a pair of legs for externally fitting or holding the support portion, and fixed to the support portion such that a conveyance surface faces a belt running direction. A transporting projection member provided, a front leg portion of the pair of leg portions that externally fits or clamps the support portion of the transport projection member, the front leg portion being located on the front side in the belt traveling direction of the support portion, and a belt. A front protrusion corresponding to the front leg corresponding to the front leg on the back surface, wherein the front leg has a leg length extending in the belt traveling direction with the leg length sandwiching the support. A belt with a conveying projection, wherein the belt is longer than a rear leg positioned on the rear side, and the front leg corresponding portion is formed in a recess in which the front leg is loosely fitted. And a support portion provided integrally with the back surface of the belt, and a pair of legs for externally fitting or holding the support portion, and fixed to the support portion such that a conveying surface faces the belt running direction. A transporting projection member provided, a front leg portion of the pair of leg portions that externally fits or clamps the support portion of the transport projection member, the front leg portion being located on the front side in the belt traveling direction of the support portion, and a belt. A front leg corresponding portion corresponding to the front leg on the back surface, and a belt with a conveying protrusion that is in contact with the front leg corresponding portion in the belt running direction front end or near the end; A belt with a projection for conveyance, wherein a projection is provided, and a cutout for accommodating the projection is provided on the front leg. 3. A support unit integrally provided on the back of the belt, and a pair of legs for externally fitting or nipping the support unit, and fixed to the support unit such that the conveying surface faces the belt running direction. A transporting projection member provided, a front leg portion of the pair of leg portions that externally fits or clamps the support portion of the transport projection member, the front leg portion being located on the front side in the belt traveling direction of the support portion, and a belt. A front projection corresponding to the front leg corresponding to the front leg on the back surface, the belt having a conveying projection being in contact with the front leg, and the side of the front leg being near the front end or the end in the belt traveling direction. A belt with a transporting projection, which is provided with a lateral projection that hangs down so as to cover the side surface of the belt. 4. A support portion integrally provided on the back surface of the belt, and a pair of legs for externally fitting or holding the support portion, and fixed to the support portion such that a conveying surface faces the belt running direction. A transporting projection member provided, a front leg portion of the pair of leg portions that externally fits or clamps the support portion of the transport projection member, the front leg portion being located on the front side in the belt traveling direction of the support portion, and a belt. A belt with a transfer projection in contact with a front leg corresponding portion corresponding to the front leg on the back, wherein a protrusion is provided on the belt rear side in the belt running direction from the front leg corresponding portion on the back of the belt. A belt with a projection for conveyance. 5. A fixing device according to claim 1, further comprising: a supporting portion integrally provided on a back surface of the belt, and a pair of legs for externally fitting or nipping the supporting portion, and fixed to the supporting portion so that a conveying surface faces a belt traveling direction. A transporting projection member provided, a front leg portion of the pair of leg portions that externally fits or clamps the support portion of the transport projection member, the front leg portion being located on the front side in the belt traveling direction of the support portion, and a belt. A belt with a conveying protrusion in contact with a front leg corresponding portion corresponding to the front leg on the back, wherein the support portion integrally provided on the back of the belt is a belt with respect to the back of the belt. A belt with a projection for conveyance characterized by being inclined forward in the traveling direction. 6. A support portion integrally provided on a back surface of the belt, and a pair of legs for externally fitting or nipping the support portion, and fixed to the support portion such that a conveying surface faces a belt running direction. A transporting projection member provided, a front leg portion of the pair of leg portions that externally fits or clamps the support portion of the transport projection member, the front leg portion being located on the front side in the belt traveling direction of the support portion, and a belt. A belt with a conveying protrusion in contact with a front leg corresponding portion corresponding to the front leg on the back surface, wherein the front leg is configured to pre-compress the front leg corresponding portion. A belt with a projection for conveyance, characterized in that: 7. The front leg portion has a leg length set longer than the support portion.
The belt with a projection for conveyance according to 1. 8. The pair of legs of the transporting projection member in a state where the support portion is displaced rearward in the belt traveling direction so that the support portion exerts an elastic force to return to the front side in the belt traveling direction. The belt with a transporting protrusion according to claim 6, wherein the belt is externally fitted or pinched to the portion. 9. A rear leg corresponding portion corresponding to a rear leg of the pair of legs of the transporting protrusion member on the rear surface of the belt, which is positioned on the rear side of the support portion in the belt traveling direction, is provided on the rear side. The belt with a transfer protrusion according to claim 6, wherein the protrusion is formed on a convex portion that presses the leg portion. 10. A support unit integrally provided on a back surface of a belt, and a pair of legs for externally fitting or nipping the support unit, and fixed to the support unit such that a conveying surface faces a belt running direction. A transporting projection member provided, a front leg portion of the pair of leg portions that externally fits or clamps the support portion of the transport projection member, the front leg portion being located on the front side in the belt traveling direction of the support portion, and a belt. A belt with a transfer projection that is in contact with a front leg corresponding portion corresponding to the front leg on the back surface, the belt being in a belt running direction of the support portion of the pair of legs of the transfer projection member. A rear leg portion located on the side of the belt is configured to pre-compress a rear leg portion corresponding to the rear leg portion on the back surface of the belt. 11. The belt according to claim 10, wherein the length of the rear leg is longer than the length of the support. 12. The pair of legs of the conveying projection member in a state where the support portion is displaced forward in the belt traveling direction so that the support portion exerts an elastic force to return to the rear side in the belt traveling direction. The belt with a transfer projection according to claim 10, wherein the belt is externally fitted or sandwiched between the portions.