JPH0556267U - Spray equipment - Google Patents

Abstract

(57) [Summary] [Purpose] A predetermined material to be injected is injected substantially orthogonally to each of the inner surfaces of the mold, and is swung and retracted during molding operation by the mold so that it does not get in the way. [Structure] A stand 1 is arranged and fixed on the outside of the molds M1 and M2, and an injection mechanism 20 is mounted on the upper part of the stand 1 via a swinging mechanism 10. The oscillating mechanism 10 oscillates the seesaw arm 14 and the main body arm 16 which are linked to the fulcrum plate 11 and the fixed body 12 in a linked manner by the expansion and contraction of the oscillating cylinder 17, and is arranged at the tip of the main body arm 16. The mounted injection mechanism 20 is rocked back and forth. Injection mechanism 20
Are swung into the space between the molds M1 and M2 when they are separated from each other, and are swung and retracted to the outer sides when they are joined.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 In this invention, a mold release agent, compressed air, and other predetermined material to be sprayed are sprayed onto a pair of facing inner surfaces of a mold which are joined to and separated from each other. The present invention relates to a spraying device which is made to inject at right angles and is retracted during molding operation by a mold so as not to get in the way.

[0002]

[Prior Art]

 Conventionally, with respect to various molds for casting, which are composed of a fixed mold and a movable mold arranged so as to be joined to and separated from the fixed mold, cleaning and cleaning of the inner surface of these molds is not possible. As shown in FIG. 4, for example, it is performed by a spray device S which is set so as to be jetted to the joint surfaces of both the fixed mold M1 and the movable mold M2 in the separated state.

As shown in the figure, this spray device is located outside the moving molds M1 and M2 so as not to interfere with the movement between the fixed mold M1 and the movable mold M2 that are joined to each other. Then, the predetermined materials to be ejected are obliquely arranged so as to directly inject toward the inner surfaces of the separated M1 and M2. Further, in order to prevent the injected material from being reflected on the inner surface and scattered to the surroundings, a scattering prevention board B and the like are arranged on the side of the air spaces of the separated molds M1 and M2.

[0004]

[Problems to be solved by the device]

 However, in the conventional arrangement of such a spray device S, since it is far away from the inner surface of the molds M1 and M2 which are the injection surfaces, a strong injection pressure is required, and a strong pressure source is installed. Not only must this be done, but in connection with this, the material to be sprayed to the surroundings is often scattered, and the scattering prevention board B, etc. must also be formed in a large size. Moreover, when the take-out arm for taking out the molded article after molding enters from the side of the molds M 1 and M 2, the shatterproof board B and the like must be retracted, so move them temporally. It was also troublesome to control.

Further, since the inner surfaces of the molds M1 and M2 are jetted obliquely, it is substantially difficult to evenly spray the material to be jetted over the entire area of the die M1 and M2. In some cases, it was not possible to reliably spray, clean, and clean the complicated inner surface corresponding to the molded product.

Further, in order to solve these drawbacks, a mobile robot spray gun has been proposed to enter into the air space between the separated molds M1 and M2 and to retract. However, the mechanism is extremely complicated and expensive, and installing a large number of these causes cost increase, and maintenance of this is troublesome.

Therefore, the present invention has been devised in view of various existing circumstances as described above, and a mold release agent, compressed air, and other predetermined agents are provided on the inner surfaces of the mold which are opposed to each other and are separated from each other. When injecting the injection material, the injection material should be injected almost orthogonal to the inner surface of the mold, and should not swing and retract during the molding operation by the mold so that it does not get in the way. It is an object of the present invention to provide a spray device that can be sprayed almost all over the area, has a simple mechanism and operates reliably, and can be easily inspected.

[0008]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, according to the present invention, a stand 1 is arranged and fixed at an outer side position of the molds M1 and M2 which are joined and separated from each other, and a swing cylinder mounted on the upper part of the stand 1. A swing mechanism 10 in which the end of the body arm 16 is swing-reversed in the front-back direction with respect to the molds M1 and M2 by the seesaw arm 14 and the body arm 16 which are swung by the elastic cylinder rod 17 and the swing mechanism. 10, a jetting mechanism 20 having a jetting head 23 that is arranged to be connected to the end of the main body arm 16 and that jets the material to be jetted toward the inner surfaces of the molds M1 and M2.

Further, the swinging mechanism 10 includes a fulcrum plate 11 provided upright on the upper part of the stand 1, a fixed body 12 fixed to the fulcrum plate 11 and having an end serving as an arm receiver 13, and the fulcrum plate 11 A seesaw arm 14 having a rear end bent backward when viewed from the side and an auxiliary arm 15 swingably supported by the seesaw arm 14 at a substantially central position. Also, the main body arm 16 is supported at the rear end position of the fixed body 12 at the rear end position, and the main body arm 16 to which the injection mechanism 20 is connected to the front end, and the cylinder rod end to the rear end of the seesaw arm 14 are connected. 1 and a swing cylinder 17 which is swingably connected to and supported by the swing cylinder 17.

The injection mechanism 20 includes an injection base 21 fixed to the tip of the body arm 16 of the swing mechanism 10, a suitable number of rigid supply pipes 22 connected and arranged in front of the injection base 21, and a front end of the supply pipe 22. Can be composed of the ejection head 23 connected to the.

[0011]

[Action]

 In the spray device according to the present invention, the stand 1 has the swing mechanism 10 and the injection mechanism 20 arranged and fixed through the stand 1 itself at the outer side positions of the molds M1 and M2 that are joined and separated from each other. By the swinging of the swinging mechanism 10 itself, the jetting mechanism 20 is positioned with the jetting portions facing the inner surfaces of the separated molds M1 and M2, and is retracted to the outside of the joined molds M1 and M2.

The seesaw arm 14 and the body arm 16 that are linked to the fulcrum plate 11 and the fixed body 12 in the swing mechanism 10 are linked to the end of the seesaw arm 14. The seesaw arm 14 and the main body arm 16 are swung back and forth by the rod in a substantially inverted state.

When reversing and swinging to the front, when reversing and swinging to the front, the injection mechanism 20 mounted on the swinging mechanism 10 has an air space between the molds M1 and M2 which are separated from each other. The injection mechanism 20 injects a predetermined amount of material to be injected onto the inner surfaces of the molds M1 and M2.

Further, when the rocking swinging backward is performed, the injection mechanism 20 is also retracted to the outside of the molds M1 and M2 that are joined to each other so that the molding work by the molds M1 and M2 is not disturbed. ..

The rigid supply pipe 22 in the injection mechanism 20 can supply and pass a predetermined material to be injected therein.

[0016]

【Example】

 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a fixed mold M1 and a movable mold that moves so as to move toward and away from the fixed mold M1. It is a stand that is fixed to a fixed platen P1 and a movable platen P2 that fix the respective molds M2. When the molds M1 and M2 are brought close to each other to the stand 1 and a predetermined molding material is supplied and molded, the mold M1 and M2 swing and retreat. An injection mechanism 20 for injecting a mold release agent, compressed air, and the like, which enters between the injection members, is provided via the swinging mechanism 10 (see FIG. 3).

The stand 1 is slidably fitted into a mounting groove T having a substantially T-shaped cross section formed on the surfaces of the platens P1 and P2, for example, and a mounting portion 2 having a substantially T-shaped cross section that can be screwed. At the lower end, a mounting base 3 whose height is adjustable with respect to the main body of the stand 1 is connected to the upper part.

As shown in the figure, the mounting base 3 is formed in a cylindrical shape with a bottom so as to be mounted on the upper portion of the cylindrical stand 1, and is a nut to be screwed to the male screw formed on the stand 1. The height position with respect to the main body of the stand 1 can be freely adjusted by rotating the so that the adjusted position can be maintained. The mounting base 3 is also provided with a cylinder base 18 that supports the swing cylinder 17 of the swing mechanism 10 and a tube base 27 that fixes the supply tube 26 of the injection mechanism 20.

The rocking mechanism 10 is a mold M1, in which the injection mechanism 20 connected to the rocking mechanism 10 is joined in the air space between the inner surfaces of the molds M1 and M2 which are separated from each other, or is joined. Inversion swinging is performed toward the outside of M2. That is, as shown in FIGS. 1 and 2, a fulcrum plate 11 provided upright on the upper surface of the mounting base 3, a fixed body 12 fixed to the fulcrum plate 11 and having a tip as an arm receiver 13, and a fulcrum Through a seesaw arm 14 which is swingably supported by the plate 11 and whose rear end is bent rearward when viewed from the side, and an auxiliary arm 15 which is swingably supported by the seesaw arm 14. The main body arm 16 is supported at a substantially central position and at a rear end position on the rear portion of the fixed body 12. The main body arm 16 is connected to the injection base 21 of the injection mechanism 20 at the front end, and the cylinder rod end is connected to the rear end of the seesaw arm 14. And a rocking cylinder 17 that is rockably and movably supported by the mounting base 3.

Each of the fulcrum plate 11, the fixed body 12, the seesaw arm 14, and the main body arm 16 has the seesaw arm 14 around the fulcrum at the lower end of the fulcrum plate 11 as the swing cylinder 17 expands and contracts. When swinging through the tip, the body arm 16 is swung by the swing of the seesaw arm 14 with respect to the fulcrum plate 11 and the fixed body 12 that do not move in a fixed manner. The swing of itself is such that its swing fulcrum is at the rear end position of the fixed body 12, and further, the main body arm 16 is inverted before and after it is swung so that the auxiliary arm 15 itself is also pulled. It is what makes them.

In the rocking mechanism 10, when the cylinder rod of the rocking cylinder 17 expands and contracts, the seesaw arm 14 is rocked forward when it is extended, thereby pushing the main body arm 16 forward. Since the seesaw arm 14 is swung back and retracted rearward during the reduction, the main body arm 16 is pulled and positioned rearward. (See the one-dot chain diagram shown in FIG. 1).

The swinging range of the body arm 16 due to the expansion and contraction operation of the swinging cylinder 17 is preferably set to about 180 degrees, and when the swinging backward is avoided, the joining molding between the molds M1 and M2 is performed. Is made possible. However, the swing range is not limited to this, and even if the swing range is less than this, when the main body arm 16 avoids swinging backward, it is possible to perform joint molding between the molds M1 and M2. As long as it doesn't get in the way, it's enough.

By employing the swing mechanism 10 having such a swingable link structure, the injection mechanism 20 can be easily moved in and out by swinging the main body arm 16 along the front-rear direction. is there.

The swing cylinder 17 is swingably supported between a pair of cylinder bases 18 fixed in a confronting manner on both sides of the mounting base 3, and is supported by the expansion and contraction of the cylinder rod. It is designed to follow the rocking motion.

On the other hand, as shown in the figure, the injection mechanism 20 includes an injection base 21 fixed to the tip of the main body arm 16 of the swing mechanism 10 and a supply pipe having a proper rigidity connected and arranged in front of the injection base 21. 22 and a jetting head 23 connected to the front end of the supply pipe 22. For example, a supply tube 26 connected to a coupling 25 on the outer surface of the jetting base 21 allows a material to be injected such as a release agent or compressed air to be injected. It is configured to be supplied and to be ejected from each of the ejection nozzles 24 arranged in the ejection head 23 via the respective supply pipes 22.

The supply tube 26 is supported and fixed by, for example, being inserted into a tube base 27 fixed to the outer surface of the cylinder base 18, and is flexible so as to follow the oscillating injection base 21. Is equipped with.

The ejection heads 23 of the ejection mechanism 20 shown in the drawing are arranged on both side surfaces of the ejection head 23 so that the ejected objects are ejected to the inner surfaces of the molds M1 and M2 that face each other. However, it is also optional to dispose it on only one side surface, and the jetting head 21 and the jetting head 23 are not supported by the supply pipe 22 itself but via an appropriate supporting member. It may also be possible to support and. Further, if necessary, the supply pipe 22 or the supporting member can be formed to be expandable and contractable so that the position adjustment with respect to the surface to be ejected can be performed.

Next, to explain an example of use of the present invention, as shown in FIGS. 1 and 3, the mounting portion 2 of the stand 1 is loaded into the mounting groove T 1 of the fixed platen P1 or the movable platen P2. Then, slide and adjust the position, and then fix the nut. Further, the position of the mounting base 3 is adjusted with respect to the main body of the stand 1, and the front and rear positions of the swing in the injection mechanism 20 correspond to the inner side surface positions of the molds M1 and M2, which are the injection target surfaces.

In the installation and fixing of the present invention, it is needless to say that the fixed platen P1 and the movable platen P2 can be installed and used for either one of them.

When molding the molded product by closely bonding the molds M1 and M2 to each other, the rocking cylinder 17 in the rocking mechanism 10 is reduced and the injection mechanism 20 is retracted to the outside of the molds M1 and M2. That is, the molten material is supplied from the hot water supply port G formed on the fixed platen P1 side. After the molding is completed, the molds M1 and M2 are separated from each other and the molded product is taken out. Then, the rocking cylinder 17 of the rocking mechanism 10 is extended, and the seesaw arm 14 of the rocking mechanism 10 itself is inverted and rocked. The injection mechanism 20 at the front end of the main body arm 16 is moved to be positioned in the air space between the molds M1 and M2.

Next, a predetermined injection target material such as compressed air or a release agent is sprayed from the spray nozzle 24 of the spray head 23 of the spray mechanism 20 onto the inner surface of each of the molds M1 and M2 for spraying, cleaning and cleaning. .. After the injection, the oscillating cylinder 17 in the oscillating mechanism 10 is contracted again to oscillate and retract the injecting mechanism 20 to the outside of the molds M1 and M2, and the molding operation may be continued again. ..

[0032]

[Effect of the device]

 The present invention is configured as described above, and therefore, when the mold release agent, compressed air, and other predetermined material to be ejected are ejected to the inner surfaces of the dies M1 and M2 that are joined and separated from each other, facing each other. It is possible to inject at a substantially right angle to the inner surfaces of the molds M1 and M2, and at the time of the injection, the injection surface is brought close to the injection surface, so there is no scattering of the injection material to the surroundings, and the surroundings are contaminated. It doesn't do it, and it doesn't waste it. Furthermore, since it can be surely sprayed over almost the entire area of the jetted surface at the time of jetting, even if the jetted surface has a complicated shape, it can be jetted sufficiently to them, and the jetting pressure does not need to be strong. It is also possible to help reduce the size of the entire device.

Further, during the molding operation by the molds M1 and M2, the molds M1 and M2 are swayed and retracted to the outside, so that there is no hindrance to the molding work, no hindrance, and a molded product. It is also easy to take out the resin, and a series of molding operations can be performed efficiently.

That is, in this invention, in this invention, the injection mechanism 20 is mounted on the upper part of the stand 1 which is arranged and fixed on the outer sides of the molds M1 and M2 via the rocking mechanism 10. By the expansion and contraction of the swing cylinder 17 linked to the fulcrum plate 11, the seesaw arm 14 and the main body arm 16 which are linked to the fulcrum plate 11 and the fixed body 12, respectively, are swung, and the injection is provided at the tip of the main body arm 16. The mechanism 20 is oscillated back and forth, and the injection mechanism 20 at this time has a position where the molds M1 and M2 are rocked into the air space between them when the molds M1 and M2 are separated from each other. This is because when the M1 and M2 are joined together, they oscillate between the positions where they are oscillated and retracted to the outside. Blast It is possible to eject the injection material and to retract it during the molding operation by the mold so that it does not get in the way.

In addition, the stand 1 arranged and fixed at the outer side positions of the molds M1 and M2 which are joined and separated from each other, the swing mechanism 10 and the injection mechanism 20 are also connected to the molds M1 and M2 via the stand 1 itself. Since it is arranged and placed at the outer side position, the injector mechanism 20 is positioned by the rocking of the rocking mechanism 10 itself from the outer side with the injection parts facing the inner surfaces of the separated molds M1, M2, respectively. The joined molds M1 and M2 can be retracted to the outside.

In the swing mechanism 10, the seesaw arm 14 and the main body arm 16 are linked to the fulcrum plate 11 and the fixed body 12, respectively, so that the swing cylinder 17 connected to the end of the seesaw arm 14 is connected. The expandable cylinder rod allows the seesaw arm 14 and the main body arm 16 to swing back and forth in a substantially inverted state, thereby displacing the seesaw arm 14 and the main body arm 16 to the injection position and the retracted position, respectively.

Moreover, when the injection mechanism 20 is reversely oscillated, the injection mechanism 20 mounted on the oscillating mechanism 10 is separated from the molds M 1, Since it is assumed that they are reliably positioned in the air space between the M2s, and the injection directions thereof are substantially orthogonal to each other, the injection mechanism 20 extends to the entire inner surface of the molds M1 and M2. Therefore, it is possible to spray a predetermined material to be sprayed evenly.

Further, a predetermined injection target material can be supplied and passed through the rigid supply pipe 22 of the injection mechanism 20, and the injection target material is supplied in the rocking injection mechanism 20 itself. The configuration of the system path can be simplified.

[Submission date] April 22, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0031

[Correction method] Change

[Correction content]

Next, a predetermined injection target material such as compressed air or a release agent is sprayed from the spray nozzle 24 of the spray head 23 of the spray mechanism 20 onto the inner surface of each of the molds M1 and M2 for spraying, cleaning and cleaning. .. After the injection, the oscillating cylinder 17 in the oscillating mechanism 10 is contracted again to oscillate and retract the injecting mechanism 20 to the outside of the molds M1 and M2, and the molding operation may be continued again. .. In this example of use, the case where the material to be sprayed is sprayed on the molds M1 and M2 has been described, but the device of the present invention is arranged near the hot water supply port G and It is also possible to spray a predetermined material to be sprayed and perform cleaning and cleaning (not shown).

[Brief description of drawings]

FIG. 1 is a side view.

FIG. 2 is a plan view.

FIG. 3 is a plan view of a fixed use state.

FIG. 4 is a plan view of a conventional example.

[Explanation of symbols]

B Anti-scattering board G Hot water supply port M1 Fixed mold M2 Movable mold P1 Fixed platen P2 Movable platen S Spray device T Mounting groove 1 Stand 2 Mounting part 3 Mounting base 10 Swing mechanism 11 Support point plate 12 Fixed body 13 Arm receiving 14 Seesaw Arm 15 Auxiliary arm 16 Main body arm 17 Oscillating cylinder 18 Cylinder base 20 Injection mechanism 21 Injection base 22 Supply pipe 23 Injection head 24 Injection nozzle 25 Coupling 26 Supply tube 27 Tube base

Claims (3)

[Scope of utility model registration request] 1. A stand which is arranged and fixed at an outer side position of a mold which is joined and separated from each other, and a seesaw arm and a body arm which are mounted on the upper part of the mold and swing by an expanding and contracting cylinder rod of a swing cylinder. By
A swing mechanism that swings and inverts the body arm end in the front-back direction with respect to the mold, and a spout that is connected to the body arm end of the swing mechanism and is directed toward the inner surface of the mold to spray the material to be sprayed. A spray device comprising a jetting mechanism having a head. 2. The swing mechanism includes a fulcrum plate erected on an upper part of a stand, a fixed body fixed to the fulcrum plate and having an end serving as an arm receiver, and oscillatably supported by the fulcrum plate. , The rear end of the seesaw is bent rearward when viewed from the side, and the auxiliary arm swingably supported by the seesaw arm is located at approximately the center position, and the rear end of the fixed body is at the rear end position. Each has a main body arm to which the injection mechanism is connected at the front end and a cylinder rod end that connects the cylinder rod end to the rear end of the seesaw arm and is swingably supported on the stand. The spray device according to claim 1, wherein 3. The injection mechanism includes an injection base fixed to the tip of a main body arm of a swing mechanism, a proper number of rigid supply pipes connected and arranged in front of the injection base, and an ejection head connected to a front end of the supply pipe. Claim 1 or 2 which has and
The spray device described.