JP5405807B2 - Elastic body conveying apparatus and conveying method - Google Patents

Description

  The present invention relates to an elastic body transport apparatus and a transport method, and more specifically, for example, an elastic body transport apparatus for transporting an elastic body such as a synthetic rubber as a tire raw material, and an elasticity using the elastic body transport apparatus. The present invention relates to a body transport method.

  In general, since an elastic body such as a synthetic rubber is not stable in shape, a special dedicated device is used for processing or the like. (For example, patent document 1).

  However, for the conveyance of these elastic bodies, the conveyance work is performed while devising a relatively simple device. For example, FIG. 8 shows an example of a conventional conveying device used for conveying 50 to 150 kg of rubber. In FIG. 8, A is a heavy object which has elasticity and its shape is not stable, and 80 is a simple crane such as a trade name “Easy Hand” (manufactured by Aikoku Alpha Co., Ltd.) (motor part not shown). The simple crane 80 has a crane cable 81, a claw 82 that sandwiches a conveyed product, and a manual switch 83 that controls these operations.

  Then, the operator checks the heavy objects A one by one, and operates the manual switch 83 so as to be sandwiched by the claws 82. After that, the manual switch 83 is operated to lift and move the sandwiched heavy object A to carry it.

However, as described above, since the heavy object A has elasticity and its shape is not stable, an accident that the elastic body A falls off the claw 82 and falls during conveyance is likely to occur, and there is a problem in terms of safety. Further, since the transport depends on the manual operation of the worker, there is a problem that workability is lowered and productivity is lowered.
Japanese Patent Application Laid-Open No. 11-221796

  In view of the above problems, the present invention uses an elastic body transport device that can safely and surely transport an elastic body to a predetermined position and does not deteriorate workability, and such an elastic body transport apparatus. It is an object of the present invention to provide a method for conveying an elastic body.

In order to achieve the above object, an elastic body transfer device according to the present invention includes:
An elastic body transporting device for fixing and transporting an elastic body by means of a conical standing table in which a plurality of conical cones having a spiral blade are erected,
Fixing means for lowering the cone stand while rotating the cone and causing the cone to bite into an elastic body to fix the elastic body to the cone stand;
Transport means for transporting in the horizontal direction after raising the frustum erection stand that has stopped the rotation of the cone and the fixed elastic body;
After the transported cone stand and the elastic body are lowered to a predetermined position, the cone stand is raised while the cone is rotated in reverse, and the elastic body and the cone stand are moved. Separating means for separating ;
A stop mechanism for detecting the contact of the elastic body with a stopper provided near the upper end of the cone and stopping the rotation of the rotating cone and the descending of the cone stand while descending. ,
The cone has a round rod shape with a drill length of 250 to 350 mm and a pointed tip , the pitch of the spiral blade is 30 to 50 mm , and the spiral angle is 30 to 40 ° ,
A plurality of the plurality of cones are provided, and at least three of the cones are arranged so as to coincide with the apex of the triangle and are erected on the cone stand .

Further, the elastic body transporting device comprises:
A plurality of the frustum pedestals are provided.

An elastic body transport method according to the present invention includes:
An elastic body transport method using the elastic body transport apparatus, comprising:
The frustum pedestal is lowered while rotating the cone, and the cone is cut into an elastic body to fix the elastic body to the frustum pedestal,
After lifting the fixed elastic body and the frustum pedestal, transport in the horizontal direction,
After the transported cone stand and the elastic body are lowered to a predetermined position, the cone stand is raised while the cone is rotated in reverse, and the elastic body and the cone stand are moved. It is characterized by separating.

  INDUSTRIAL APPLICABILITY According to the present invention, an elastic body transport apparatus that can safely and reliably transport an elastic body to a predetermined position and does not deteriorate workability, and an elastic body transport method using such an elastic body transport apparatus. Can be provided.

  Hereinafter, the present invention will be described based on the best mode. Note that the present invention is not limited to the following embodiments. Various modifications can be made to the following embodiments within the same and equivalent scope as the present invention.

  FIG. 1 is a perspective view showing an outline of an elastic body conveying apparatus according to an embodiment of the present invention, and FIG. 2 is a plan view showing an arrangement of cones of the elastic body conveying apparatus of the present invention. FIG. 4 is a front view showing a cone of an elastic body conveying apparatus of the present invention, and FIGS. 4 to 7 are front views showing a conveying method using the elastic body conveying apparatus of the present invention.

  The elastic body transfer device according to the present embodiment includes a cone 1, a cone stand 2 for attaching the cone 1, a rotating means 3 for rotating the cone 1 about the axis 1b of the cone 1, and a cone. Elevating means 4 for raising and lowering the standing table 2, moving means 5 for moving the cone 1 in the horizontal direction, and these control means (not shown) are provided.

  The shaft 1b of the cone 1 has a round bar shape with a sharp tip, a spiral blade 1a is provided on the surface, and a stopper 1c is provided near the upper end. The cone 1 is erected from the lower surface side of the cone stand 2, and the cone stand 2 includes a motor and a transmission mechanism, and the cone 1 is rotated forward (rotation in a direction in which the elastic body bites the cone) and reversed. Rotating means 3 for rotating both of them is incorporated. In addition, a stop mechanism is provided that detects that the elastic body has come into contact with the stopper 1c and stops the forwardly rotating cone 1 and the descending cone stand 2.

In the present invention, a cone in which the drill length L of the cone 1 shown in FIG. 3, the pitch P of the blade, and the winding angle θ of the blade satisfy the following conditions is employed.
Drill length L = 250-350mm (a)
Blade pitch P = 20-60mm (b)
Blade winding angle θ = 25-50 ° (c)

  By setting the drill length L to 250 mm or more, the blade pitch P to 60 mm or less, and the blade winding angle θ to 50 ° or less, the elastic body can be reliably lifted during conveyance, and safety is improved. Can be improved. Also, by setting the drill length L to 350 mm or less, the blade pitch P to 20 mm or more, and the wrap angle θ to 25 ° or more, the ease of biting into the elastic body of the cone and the ease of extraction from the elastic body, That is, handling properties can be improved.

  In order to further improve safety, it is preferable to set the pitch P of the blades to 50 mm or less and the wrapping angle θ to 40 ° or less. Moreover, in order to further improve the handleability, it is preferable to set the pitch P of the blades to 30 mm or more and the wrapping angle θ to 30 ° or more.

  In addition, since each cone standing base 2 has a plurality of cones, and in the example shown in FIG. 1, three cones 1 are erected, the cone 1 and the elastic body A when the cone 1 is rotated. And the capture force of the elastic body A by the frustum pedestal 2 is improved, so that safety can be further improved.

  In addition, by providing a plurality of conical pedestals, the conveying capacity of the elastic body is increased and the productivity can be further improved. For example, in the example shown in FIG. 1, since two flanks are provided, two elastic bodies can be conveyed at a time.

  The moving means 5 includes a guide rail 5a installed in the horizontal direction and a traveling body 5c with a motor 5b that travels along the guide rail 5a.

  The elevating means 4 includes a first elevating cylinder 4a that elevates and lowers the frustum pedestal 2 with the frustum erecting base 2 fixed directly, and a second elevating cylinder that elevates and lowers the frustum pedestal 2 and the first elevating cylinder 4a. 4b, and the second elevating cylinder 4b is attached to the traveling body 5c.

2. 4. Conveying Method Using Elastic Body Conveying Device First, with the cone stand 2 positioned above the elastic body A accommodated in the dedicated container B as shown in FIG. While rotating forward, the cone stand 2 is lowered to cause the cone 1 to bite into the elastic body A. When the stopper 1c comes into contact with the surface of the elastic body A, a sensor (not shown) detects this and stops the cone 1 and the cone stand 2.

Next, as shown in FIG. 6, after lifting the elastic body A by raising the frustum pedestal 2 by at least one of the first lifting cylinder 4 a and the second lifting cylinder 4 b of the lifting means 4, As shown in FIG. 7, the traveling body 5c is traveled in the horizontal direction along the guide rail 5a, and the elastic body A is positioned above a conveyor (not shown) for transporting to the processing device (not shown).
Next, as shown by a two-dot chain line in FIG. 7, the cone stand 2 is lowered by the lifting means 4, the cone 1 is reversed, and the cone 1 is extracted from the elastic body A, whereby the elastic body A is placed on the conveyor. Drop it.

  As described above, in the elastic body conveying device and the conveying method according to the present embodiment, the cone 1 provided with the blade 1a is used as the elastic body in order to lower the frustum erection base 2 while rotating the plurality of cones 1 in the normal direction. Can be easily bited into. Further, since the blade 1a is provided on the cone 1, and the elastic body is brought into close contact with the cone by the restoring force of the elastic body, the cone does not inadvertently come out of the elastic body, and the shape is not stable. In contrast, the elastic body can be reliably captured.

  In addition, by reversing the cones that have bitten into the elastic body, it is possible to easily extract a plurality of cones and to separate the elastic body from the frustum pedestal 2 at a precise target position.

  The elastic body referred to in the present invention may be entirely an elastic body or a part thereof may be an elastic body.

(Confirmation experiment)
6 pieces of 17 kinds of cones each having different pitch pitches of the blades, vine winding angles and drill lengths of the cones are produced, and 3 pieces are provided on each of the two cone standing stands shown in FIG. An elastic body transfer device was prepared in which the cones were erected. Using this elastic material conveying device, raw rubber having a height of 500 to 700 mm and a weight of 90 to 120 kg was conveyed two times at a time, and the handling property and safety were evaluated. Specifically, the handling property and safety when the raw rubber was lifted to a height of 500 to 700 mm, transported 1500 mm in the horizontal direction, and then placed on the conveyor were evaluated. In addition, as described above, the handling property is evaluated based on the ease of biting and extraction of the cone, and the safety is evaluated based on whether it can be lifted stably. Excellent: ◎, Good : ◯, acceptable: Δ, unacceptable: evaluated in four stages. The experimental results are shown in Table 1.

  From the results of Table 1, when one of the conditions (a) to (c), which is a cone condition in the present invention, is not satisfied, one of the safety and handling properties is reduced, and (a) to (a) to It can be seen that safety and handling are ensured if all the conditions of (c) are satisfied. Furthermore, it can be seen that the safety and handling properties are further improved by using a cone whose pitch and vine angle are set in the above-described preferred ranges. In addition, when the drill whose drill length is 100 mm was used, it turned out that all the lifted raw rubber falls and it is especially inferior to safety | security.

  As described above, when transported using the elastic body transport device of the present invention that satisfies all of the above conditions (a) to (c), the safety and handling properties are good. In this case, since it is possible to carry two pieces at a time, the carrying speed can be increased to four times the conventional speed. In addition, no manual operation is required for conveyance, and completely unattended operation is possible. From this aspect, safety is excellent.

It is a perspective view which shows the outline of the conveying apparatus of the elastic body which concerns on one embodiment of this invention. It is a top view which shows arrangement | positioning of the cone in the cone standing base of the conveying apparatus of the elastic body which concerns on one embodiment of this invention. It is a front view which shows the cone of the conveying apparatus of the elastic body which concerns on one embodiment of this invention. It is a front view which shows the conveyance method using the conveying apparatus of the elastic body which concerns on one embodiment of this invention. It is a front view which shows the conveyance method using the conveying apparatus of the elastic body which concerns on one embodiment of this invention. It is a front view which shows the conveyance method using the conveying apparatus of the elastic body which concerns on one embodiment of this invention. It is a front view which shows the conveyance method using the conveying apparatus of the elastic body which concerns on one embodiment of this invention. It is a figure which shows the outline | summary of the conveying apparatus of the conventional elastic body.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Conical 1a Blade 1b Shaft 1c Stopper 2 Conical stand 3 Rotating means 4 Elevating means 4a First elevating cylinder 4b Second elevating cylinder 5 Moving means 5a Guide rail 5b Motor 5c Running body L Drill length P Blade pitch θ Blade winding angle

Claims (3)

An elastic body transporting device for fixing and transporting an elastic body by means of a conical standing table in which a plurality of conical cones having a spiral blade are erected,
Fixing means for lowering the cone stand while rotating the cone and causing the cone to bite into an elastic body to fix the elastic body to the cone stand;
Transport means for transporting in the horizontal direction after raising the frustum erection stand that has stopped the rotation of the cone and the fixed elastic body;
After the transported cone stand and the elastic body are lowered to a predetermined position, the cone stand is raised while the cone is rotated in reverse, and the elastic body and the cone stand are moved. Separating means for separating ;
A stop mechanism for detecting the contact of the elastic body with a stopper provided near the upper end of the cone and stopping the rotation of the rotating cone and the descending of the cone stand while descending. ,
The cone has a round rod shape with a drill length of 250 to 350 mm and a pointed tip , the pitch of the spiral blade is 30 to 50 mm , and the spiral angle is 30 to 40 ° ,
A plurality of the plurality of cones are provided, and at least three of the cones are arranged so as to coincide with the apex of the triangle and are erected on the cone stand . Conveying device. The elastic body conveying apparatus according to claim 1, wherein a plurality of the frustum pedestals are provided. An elastic body transport method using the elastic body transport apparatus according to claim 1 or 2 ,
The frustum pedestal is lowered while rotating the cone, and the elastic body is fixed to the frustum pedestal by causing the cone to bite into an elastic body,
After lifting the fixed elastic body and the frustum pedestal, transport in the horizontal direction,
After the transported cone stand and the elastic body are lowered to a predetermined position, the cone stand is raised while the cone is rotated in reverse, and the elastic body and the cone stand are moved. A method for conveying an elastic body, wherein the elastic body is separated.

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