JP2016060183A - Safety cover of injection molding machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the safety cover of an injection molding machine in which workability is high and maintenance is easy by a simple constitution.SOLUTION: At least a part of the safety cover of an injection molding machine of covering at least any one among the mold fastening mechanism part, injection mechanism part and control part of an injection molding machine is made of a cloth-like stock. In this way, its weight is made lightweight compared with a safety cover formed of a sheet material, thus its treatment is facilitated. Further, since the safety cover is not made of a metal, the oscillation with vibration generated in the mechanism part of the injection molding machine does not occur, and the reduction of noise caused by vibration is made possible.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a safety cover for an injection molding machine, and more particularly to a safety cover for covering a mechanical part of an injection molding machine.

6 and 7 show the structure of a conventional injection molding machine. As shown in FIG. 6, a frame 14 is assembled on the base 10. Reference numeral 16 denotes a fixed platen that constitutes a part of the mold clamping unit. From this state, a flat plate made of sheet metal is attached to form the configuration as shown in FIG. At this time, the frame 14 also serves as a rail for the safety door 18 described later.
FIG. 7 shows a front view of a conventional injection molding machine with a cover attached. Reference numeral 12 denotes a base panel, which is a safety cover that covers a control unit and the like provided inside the base. 18a and 18b are safety doors, the safety door 18a is provided on the mold clamping device side, and the safety door 18b is provided on the injection device side. The safety doors 18 (18a, 18b) are all closed when the injection molding machine is in operation, and are opened when the injection molding machine is stopped and a molded product is taken out from the inside or maintenance is performed. Reference numeral 22 denotes a mold clamping side upper surface cover, 24 denotes a mold clamping side front cover, 32 denotes an injection side upper surface cover, and 34 denotes an injection side front cover.

  FIG. 8 shows a plan view of the conventional injection molding machine of FIG. 7 with a cover attached. 26 is a mold-clamping side cover, 28 is a mold-clamping back cover, 36 is an injection-side side cover, and 38 is an injection-side back cover. Reference numeral 18c denotes a safety door provided on the back side. The safety door 18c is also closed when the injection molding machine is in operation. As shown in FIG. 8, in order to cover the whole in the injection molding machine with the cover, on each of the mold clamping device side and the injection device side, the front side, the top side, the side side, the back side, four sides, In other words, a total of 8 safety covers are required. These safety covers are formed of sheet metal.

  By covering the mold clamping device side and the injection device side of the injection molding machine with these safety covers, it is possible to prevent direct contact with the mechanical part and electrical components during the operation of the injection molding machine from the outside, and internal parts are scattered. To improve safety and prevent splashing of grease and working fluid during operation, prevention of external combustion when a fire occurs in an injection molding machine, prevention of noise, It is possible to improve the aesthetics by covering the injection device so that it is not directly visible. As described above, the safety cover is used to increase the safety during the operation of the injection molding machine. However, the safety cover may be removed during maintenance or the like of the mechanism unit.

  Patent Document 1 discloses a technique of providing a bellows-shaped dustproof member in a part of a mechanism portion of an injection molding machine.

JP 2002-355841 A

A conventional cover made of sheet metal can be easily operated when the injection molding machine is small and the weight of the cover is light, but as the injection molding machine becomes larger, it cannot be removed by one person. Therefore, there is a possibility that work by a plurality of persons or a crane is necessary and workability is deteriorated.
Moreover, although the technique currently disclosed by patent document 1 provides the bellows-shaped dust-proof member in a part of mechanism part of the injection molding machine, the material etc. of this dust-proof member are unknown.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a safety cover for an injection molding machine that has a simple configuration, good workability, and easy maintenance.

The invention according to claim 1 of the present application is a safety cover of an injection molding machine that covers at least one of a mold clamping mechanism, an injection mechanism, or a control unit of an injection molding machine, and at least a part of the safety cover. A safety cover for an injection molding machine is provided in which is made of a cloth-like material.
In the invention according to claim 1, since at least a part of the safety cover of the injection molding machine is formed of a cloth-like material, the weight is lighter than that of the safety cover formed of sheet metal, so that handling is easy. It becomes. Further, since the safety cover is not made of metal, it does not resonate with the vibration generated in the mechanical part of the injection molding machine, and noise due to the vibration can be reduced.

In the invention which concerns on Claim 2 of this application, the said safety cover is a cover which covers four surfaces, the front side, the back side, the side surface side, and the upper surface side which an operator operates, Any one of the said four surfaces The safety cover for an injection molding machine according to claim 1, wherein at least two of the surfaces are configured as a series of covers.
In the invention according to claim 2, by configuring a plurality of surfaces constituting the safety cover as a series of covers, it is possible to reduce the number of places where the safety covers are fixed to each other, and to protect when the internal parts are scattered. In addition, it is possible to further enhance the effect of preventing scattering of grease and machining fluid.

In the invention which concerns on Claim 3 of this application, the said safety cover is mutually fixed by either a screw, a fastener, a hook_and_loop | surface fastener, and a magnet, The safety cover of the injection molding machine of Claim 1 or 2 characterized by the above-mentioned. Is provided.
In the invention according to claim 3, the safety covers can be fixed to each other by a simple method by fixing the safety covers to each other by any of screws, fasteners, hook-and-loop fasteners, and magnets.

In the invention which concerns on Claim 4 of this application, the said safety cover is opened and closed by the opening / closing means of a roll screen type | mold, The safety cover of the injection molding machine in any one of Claims 1-3 provided The
In the invention which concerns on Claim 4, it becomes possible to open and close a safety cover easily, when performing a maintenance of a mechanism part, etc. by opening and closing a safety cover by the opening / closing means of a roll screen type.

  According to the present invention, it is possible to provide a safety cover of an injection molding machine having a simple configuration, good workability and easy maintenance.

It is a front view of the injection molding machine in the embodiment of the present invention. It is a top view of the injection molding machine in another embodiment of the present invention. It is the figure which looked at the cover support | pillar and the cover support member from the side surface side. It is the figure which showed the example of the safety cover formed with the cover from which the several surface of a cover becomes a series. It is the figure which showed the example of the safety cover formed with the cover from which all four surfaces of a cover become a series. It is the figure which showed the frame structure of the conventional injection molding machine. It is a front view of the state which attached the cover in the conventional injection molding machine. It is a top view of the state which attached the cover in the conventional injection molding machine.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The difference of this embodiment from the prior art is that a mold-clamping side cover, a mold-clamping side back cover, an injection-side side cover, an injection-side back cover, etc. that are formed of sheet metal as a cover that is covered when the injection molding machine operates. These safety covers are all made of cloth.

  FIG. 1 is a front view of an injection molding machine according to an embodiment of the present invention. Constituent elements similar to those of the prior art are denoted by the same reference numerals and description thereof is omitted. In FIG. 1, 42 is a mold clamping side outer cover, 44 is a mold clamping side inner cover, 52 is an injection side outer cover, 54 is an injection side inner cover, and 64 is provided from the front side to the back side of the injection molding machine. It is a cover support.

In FIG. 1, all the covers are formed as a series of covers from the upper surface side to the side surface side, and are formed so as to be supported by the cover column 64. As shown in FIG. 1, in this embodiment, the cover is provided with a double structure of an outer cover and an inner cover on both the mold clamping side and the injection side. In addition, the front side and the back side where each worker works are also provided with a cover (not shown). As will be described later, a series of covers are fixed to each other from the top side to the side by fixing means such as fasteners. Formed to be.
As the material of the safety cover made of each cloth, tarpaulin, ester canvas, tromat, suede, back satin, etc., which are strong cloth, can be used.

  FIG. 2 is a plan view of an injection molding machine according to another embodiment of the present invention. 42 is the mold clamping side outer cover, 44 is the mold clamping side inner cover, 52 is the injection side outer cover, and 54 is the injection side inner cover, as in FIG. It is formed with a series of covers over the side, side surface, and back side. Further, 60 is a cover column provided from the upper surface side to the lower surface side of the injection molding machine, and 62 is a cover support member protruding from the cover column 60. FIG. 3 is a view of the cover support 60 and the cover support member 62 as viewed from the side, and the cover support member 62 is configured to protrude from the cover support 60. As shown in FIG. 2, the mold clamping side outer cover 42 and the injection side outer cover 52, which are outer covers, are supported so as to hang on the cover column 60, and the mold clamping side inner side, which is an inner cover, is supported. The cover 44 and the injection side inner cover 54 are supported so as to be hung on the cover support member 62. A cover (not shown) is also provided on the upper surface side.

  The cover columns (60, 64) are formed in a columnar shape, so that even when the outer cover is hung, there is no pointed portion on the outside, so that safety can be improved. Further, at the end of each cover, it can be fixed to the cover column (60, 64) or the like with screws, fasteners, hook-and-loop fasteners, magnets or the like.

  FIG. 4 is a view showing an example of a safety cover formed by a cover in which a plurality of surfaces of the cover are arranged in series. FIG. 4A shows an example in which the remaining one surface is formed as a separate cover on a cover in which three surfaces on the front side, side surface, and back surface are formed as a series. 4 (b) and 4 (c) are examples in which two types of covers formed by arranging two surfaces in series are combined, and FIG. 4 (b) shows two surfaces on the front side and the upper surface side in series. FIG. 4C shows an example in which the front side and the side surface are arranged in series, and the remaining upper surface side and back side are arranged in series. FIG. 4D shows an example in which two covers are formed as a series and the remaining two faces are formed as separate covers one by one. The upper face and the side faces are constituted as a series. In any example, the different covers can be fixed by fixing means such as a screw, a fastener, a hook-and-loop fastener, and a magnet.

FIG. 5 is a diagram showing an example of a safety cover formed by a cover in which all four surfaces of the cover are a series. Also in this example, it can fix with the fixing means 70, such as screwing, a fastener, a hook-and-loop fastener, and a magnet, between the covers which are separated.
In the embodiments described so far, the cover that covers the mold clamping device and the injection device has been described. However, the base panel 12 that is a safety cover that covers the control unit and the like provided in the base is also used in the present embodiment. It is possible to apply a cloth cover.

  These safety covers are fixed between screws that are separated from each other or between the cover and the column by fixing means such as screws, fasteners, hook-and-loop fasteners, etc. It is also possible to make it open and close as necessary. As the roll screen, a conventionally known roll screen can be used. A roll screen device and a winding unit having a mechanism for winding the wound cover are fixed to the cover column (60, 64), and the end of the cover is fixed. By attaching a cord or the like for opening and closing the part, it is possible to open and close the cover by operating the cord. Further, the opening / closing operation can be performed by hand, and when the injection molding machine becomes large, it can be opened / closed using an electric motor, a pneumatic cylinder, or the like.

  In the description so far, it has been described that all the covers on the mold clamping side and the injection side of the injection molding machine are made of cloth, but only the mold clamping side and the injection side are made of cloth, A configuration in which only a part is made of cloth is also possible. It is also possible to adopt a configuration in which the outside of the metal surface is covered with a cloth cover, or the metal is folded into the cloth.

  In the above description, the safety cover has been described as an example of a double structure of the outer side and the inner side. However, it is possible to make the safety cover single, and it is also possible to secure the strength by making it more than triple. .

10 Base 12 Base Panel 14 Frame 16 Fixed Platen 18 Safety Door 22 Mold Clamping Side Top Cover 24 Mold Clamping Front Cover 32 Injection Side Top Cover 34 Injection Side Front Cover 42 Mold Clamping Outer Cover 44 Mold Clamping Inner Cover 52 Injection Side Outer cover 54 Outer side inner cover 60 Cover support 62 Cover support member 64 Cover support 70 Fastener (fixing means)

Claims (4)

A safety cover for an injection molding machine that covers at least one of a mold clamping mechanism, an injection mechanism, or a control unit of an injection molding machine,
A safety cover for an injection molding machine, wherein at least a part of the safety cover is made of a cloth-like material.   The safety cover is a cover that covers four surfaces on the front side, the back side, the side surface, and the top surface that are operated by an operator, and a series of at least two surfaces of any one of the four surfaces. The safety cover for an injection molding machine according to claim 1, wherein the safety cover is configured as a cover.   The safety cover for an injection molding machine according to claim 1 or 2, wherein the safety covers are fixed to each other by any of screws, fasteners, hook-and-loop fasteners, and magnets.   The safety cover for an injection molding machine according to any one of claims 1 to 3, wherein the safety cover is opened and closed by a roll screen type opening / closing means.

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