JPH07277498A - Material feeder - Google Patents

Abstract

(57) [Summary] [Object] To provide a material feeding device in which the slide of the material feeding portion is not impaired due to biting of the processing material, damping of the drive transmission force, and the like. [Structure] A material receiving part 1 formed in a box shape having an open upper part and containing a processing material therein, and a material feeding part 2 for sliding the inside of the material receiving part 1 to send the processing material to one side of the material receiving part 1.
And a guide groove 14 for guiding the slide of the material feeding portion 2 is provided on both side surfaces of the material receiving portion 1, and a traveling body 22 for traveling in the guide groove 14 is provided on both side surfaces of the material feeding portion 2. In the material feeding device, the guide groove 14 of the material receiving portion 1
Is a U-shaped structure in which the cross-sectional shape is deformed, and the rack 6 is arranged in the longitudinal direction of the upper surface, and the lower surface serves as an inclined receiving surface 14c that descends inward or outward, and the traveling body 22 of the material feeding unit 2 is the rack. The gear-shaped drive wheel 22a meshing with the drive gear 6 and the driven wheel 22b for stably supporting the traveling of the drive wheel 22a are provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material feeding device. More specifically, the present invention relates to an improvement in the operation guide structure of a material feeding device that feeds a plate-shaped, rod-shaped, cylindrical, or other processing material such as a metal material or a synthetic resin material toward a processing device that performs processing such as pressing or cutting. .

[0002]

2. Description of the Related Art Conventional material feeding devices include, for example,
The ones shown in FIGS. 5 to 7 are known.

This conventional material feeding device is provided with a material receiving portion 1 connected to a processing device A composed of a pressing machine, a shredder and the like, and a material feeding portion 2 which slides inside the material receiving portion 1. . The material receiving portion 1 is formed in a box shape having an open upper portion by a bottom surface 11 and both side surfaces 12, a storage space 13 for storing a processing material is provided inside, and a material feeding portion 2 is provided above the both side surfaces 12. A box-shaped guide groove 14 for guiding the slide is provided. The material feeding unit 2 includes a front plate 21 that is in pressure contact with the processing material accommodated in the accommodation space 13 of the material receiving unit 1,
It comprises a wheel-shaped traveling body 22 which travels in the guide groove 14 of the material receiving portion 1 and slides the front plate 21 to send the processing material to one side of the material receiving portion 1.

Further, in this conventional material feeding device, the pulley 3 is provided on the outer side (back side) of the guide groove 14 of the material receiving portion 1.
Endlessly along the guide groove 14 by the chain 4
, The pulley 3 is connected to the drive unit 5 composed of a motor installed on the bottom surface 11 of the material receiving unit 1, and the chain 4 is connected to the traveling body 22 of the material feeding unit 2. That is, the drive unit 5
When is driven, the traveling body 22 of the material feeding portion 2 travels in the guide groove 14 of the material receiving portion 1 via the pulley 3 and the chain 4.

In such a conventional material feeding device, when the processing material accommodated in the accommodation space 13 of the material receiving portion 1 becomes large or is pressed by the material feeding portion 2, the material receiving portion 1
May enter the inside of the guide groove 14 and contact the chain 4 and be caught or wound. Further, when the size of the entire apparatus is increased, the length of the chain 4 arranged becomes longer, and it becomes impossible to secure effective torsion. For this reason, there is a problem in that the drive transmission from the drive unit 5 to the traveling body 22 of the material feeding unit 2 is hindered, and the material feeding unit 2 does not slide smoothly.

As a technique capable of solving the above-mentioned problems, it is conceivable that a hydraulic cylinder is used as the drive unit 5 and the cylinder rod of the hydraulic cylinder is connected to the front plate 21 of the material feeding unit 2 to perform the slide drive. However, although it is effective when the length of the material receiving portion 1 is extremely short, when the length of the material receiving portion 1 becomes long, it becomes impractical due to the relationship with the forward / backward movement length of the cylinder rod. .

[0007]

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-mentioned problems, and does not damage the slide of the material feeding portion due to the biting of the processing material, the damping of the drive transmission force, and the like. An object is to provide a material feeding device.

[0008]

In order to solve the above problems, the material feeding apparatus according to the present invention employs the following means.

That is, according to the first aspect of the present invention, the material receiving portion formed in a box shape having an open upper portion and containing the processing material therein, and the material that slides inside the material receiving portion and sends the processing material to one side of the material receiving portion. A material feeding device comprising a feeding portion, guide grooves for guiding slides of the material feeding portion are provided on both side surfaces of the material receiving portion, and traveling bodies for traveling in the guide grooves are provided on both side surfaces of the material feeding portion. In the above, the guide groove of the material receiving part has a U-shaped structure in which the cross-sectional shape is deformed, and the rack is arranged in the length direction of the upper surface, and the lower surface becomes an inclined receiving surface that descends inward or outward, and the material feeding part travels. The body is characterized by comprising gear-shaped drive wheels that mesh with the rack and driven wheels that stably support traveling of the drive wheels.

According to a second aspect of the present invention, in the material feeding device according to the first aspect, the material feeding unit drives the drive wheel and the driven wheel of the traveling body to project from the box-shaped machine body and is connected to the drive wheel inside the machine body. It is characterized by containing a part.

[0011]

According to the above-mentioned means, in claim 1, the processing material which has entered the guide groove from the accommodation space of the material receiving portion is returned to the accommodation space by the inclined receiving surface. Even if the processing material is caught between the rack of the material receiving portion and the drive wheel of the material feeding portion, it immediately drops downward. Further, the rack of the material receiving portion and the drive wheel of the material feeding portion always mesh with each other, and the drive is transmitted. Therefore, the problem to be solved is to provide a material feeding device in which the slide of the material feeding portion is not damaged due to the biting of the processing material, the damping of the drive transmission force, and the like.

According to the second aspect of the present invention, in the operation of the first aspect, contact between the driving portion and the traveling body of the material feeding portion with the processing material is prevented.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the material feeding apparatus according to the present invention will be described below with reference to FIGS.

In this embodiment, the basic structure of the material receiving portion 1 and the material feeding portion 2 is substantially the same as that of the above-mentioned conventional example.

The guide groove 14 of the material receiving portion 1 of this embodiment is
As shown in FIG. 1, the U-shaped structure has a modified cross-sectional shape. That is, in the guide groove 14 of the material receiving portion 1 installed horizontally, the upper surface 14a is horizontal, the side surface 14b is vertical, and the lower surface 14c is an inclined receiving surface that is lowered inward (toward the accommodation space 13) and is blocked. It has a deformed box shape. A rack 6 is arranged on the upper surface 14a of the guide groove 14 in the longitudinal direction. Although not shown, the lower surface 14c
May be an inclined receiving surface that descends to the outside. In this case, the processing material spilled to the outside is discharged from a gap provided at the end of the inclined receiving surface, or is made to have a closed structure and circulates back to drop on the material receiving portion 1.

Further, the traveling portion 22 of the material feeding portion 2 of this embodiment meshes with the rack 6 arranged on the upper surface 14a of the guide groove 14 of the material receiving portion 1 as shown in detail in FIG. The gear-shaped drive wheel 22a and the inclined receiving surface (lower surface) 14c of the guide groove 14 of the material receiving portion 1 as shown in detail in FIG.
It is composed of a driven wheel 22b that rolls up. In addition, as shown in FIG. 4, the traveling body 22 including the driving wheels 22a and the driven wheels 22b has a total of two wheels on the front and rear sides of the slide of one driving wheel 22a for maintaining a stable posture. The driven wheel 22b is arranged. Although not shown, the driven wheel 22b may be supported on the outside of the guide groove 14 so as to stably support the drive wheel 22a.

The drive wheel 22a and the driven wheel 22 of the material feeding section 2
The traveling portion 22 formed of b has a structure protruding from a box-shaped machine body 23 as shown in FIG.
The drive shaft 24 and the driven shaft 25 connecting the a, the driven wheel 22b, and the drive shaft 25 are hidden by the box-shaped machine body 23. In addition,
In addition to the front plate 21, the machine body 23 includes a top plate 23a, side plates 23b, a bottom plate 23c, and a rear plate 23d.

Further, inside the machine body 23 of the material feeding section 2, a driving section 5 composed of a motor is installed on the bottom plate 23c. The drive unit 5 is connected to the pulley 7 fixed to the drive shaft 24 by a belt 8 and is connected to the traveling body 22 inside the machine body 23.

According to this embodiment, similarly to the above-mentioned conventional example, the material feeding section 2 is slid by the drive of the driving section 5 to feed the processing material.

At this time, the processing material that has entered the guide groove 14 from the accommodation space 13 of the material receiving portion 1 is guided by the inclination of the inclined receiving surface 14c, slides down, and is returned to the accommodation space 13. Therefore, a large amount of the processing material that has entered the guide groove 14 of the material receiving portion 1 does not accumulate inside the guide groove 14, so that the rack 6 of the material receiving portion 1 and the drive wheel 2 of the material feeding portion 2 are prevented.
The material to be treated is hardly caught between the material 2a and the driven wheel 22b of the material feeding section 2 and the inconvenience is eliminated. Even if a small amount of the processing material is caught between the rack 6 of the material receiving portion 1 and the drive wheel 22a of the material feeding portion 2, it is discharged by the rotating drive wheel 22a and immediately moves downward. To fall. Therefore, the slide of the material feeding unit 2 is not damaged by the biting of the processing material.

Further, the rack 6 of the material receiving portion 1 and the drive wheel 22a of the material feeding portion 2 are constantly meshed with each other, so that the driving force transmission is kept constant. Therefore, by damping the driving force transmission,
The slide of the material feeding unit 2 is not damaged.

Further, since the drive unit 5 and the like slide integrally with the material feeding unit 2 by the body 23 of the material feeding unit 2, the arrangement of the drive transmission system is affected by the sliding of the material feeding unit 2. Never.

Furthermore, since the drive unit 5 and the like are hidden by the machine body 23 of the material feeding unit 2, the processing material does not come into contact with the drive unit 5 and other various problems. The concealment by the machine body 23 is effective when the processing material is in the form of a small piece.

As described above, in addition to the illustrated embodiment, the material receiving portion 1
It is also possible to adopt an embodiment in which is installed with a certain inclination.

[0025]

As described above, in the material feeding apparatus according to the present invention, the processing material that has entered the guide groove is returned to the accommodation space by the inclined receiving surface, and the material feeding section rack and the material feeding apparatus are common to each claim. Even if the processing material gets caught in the drive wheel of the section, it immediately drops downward, and the rack of the material receiving section and the drive wheel of the material feeding section are always meshed with each other. It has the effect that the sliding of the material feeding part is not impaired due to jamming and damping of the drive transmission force.

Further, according to the second aspect only, since the drive unit and the like slide integrally with the material feeding unit, the arrangement of the drive transmission system is not affected by the sliding of the material feeding unit.

Further, according to the second aspect only, since the drive unit and the like are hidden by the body of the material feeding unit, the drive unit and the like are protected from contact with the processing material.

[Brief description of drawings]

FIG. 1 is a sectional view of essential parts showing an embodiment of a material feeding apparatus according to the present invention.

FIG. 2 is a perspective view of a main part of FIG.

3 is a perspective view of another main part of FIG. 1. FIG.

FIG. 4 is a front cross-sectional view of substantially the whole of FIG.

FIG. 5 is a simplified perspective view showing a conventional example.

FIG. 6 is a front cross-sectional view of FIG.

7 is an enlarged sectional view taken along line XX of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Material receiving part 14 Guide groove 14c Inclined receiving surface (lower surface) 2 Material feeding part 22 Traveling body 22a Drive wheel 22b Driven wheel 23 Airframe 5 Drive part 6 Rack

Claims (2)

[Claims] 1. A material receiving part, which is formed in a box shape with an open upper part and in which a processing material is accommodated, and a material feeding part which slides inside the material receiving part and sends the processing material to one side of the material receiving part. In the material feeding device, guide grooves for guiding the slide of the material feeding portion are provided on both side surfaces of the material receiving portion, and traveling bodies for traveling in the guide grooves are provided on both side surfaces of the material feeding portion. The guide groove has a U-shaped structure in which the cross-sectional shape is deformed, and the rack is arranged in the longitudinal direction of the upper surface, and the lower surface is an inclined receiving surface that descends inward or outward, and the traveling body of the material feeding unit is the rack. A material feeding device comprising: a gear-shaped driving wheel that meshes with each other; and a driven wheel that stably supports traveling of the driving wheel. 2. The material feeding device according to claim 1, wherein the material feeding portion accommodates a drive wheel and a driven wheel of the traveling body protruding from the box-shaped machine body and accommodating the drive section connected to the drive wheel inside the machine body. Material feeding device.