JP2963509B2 - Product release device and deburring device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molding machine, and more particularly, to a product release device and a deburring device suitable for use in a molding machine.

[Prior art and its problems]

2. Description of the Related Art Conventionally, in general, a product formed by a molding machine is released from a mold by an operator manually, and burrs (spool runner) formed when the product is formed are removed. In addition, many products cannot be released at the same time, and many burrs cannot be removed at the same time. The efficiency was very poor, and the workability was also very poor.

The present invention solves the above-mentioned problems of the prior art, and enables a large number of products to be released at the same time and allows a large number of burrs to be removed at the same time, thereby improving work efficiency. It is an object of the present invention to provide a product release device and a deburring device capable of improving productivity and improving productivity.

[Means for solving the problem]

In order to solve the above problems, the present invention is a mold release device for releasing a product molded in a mold from the mold, and the mold release device is provided with fixed portions provided at predetermined intervals. A holding member comprising a claw, a movable claw provided between the fixed claws and capable of coming into contact with and separating from the fixed claw, and a movable cylinder for operating the movable claw; and a holding member provided in the holding member. A press-down cylinder that can protrude out of the holding member by the action of fluid pressure and can press down the molding die when protruding. Position, and actuate the movable cylinder to bring the movable claw closer to the fixed claw, clamp a part of the product between the fixed claw and the movable claw, and further operate the press-down cylinder. Down the mold Thereby, means for releasing the product from the molding die is adopted, and a deburring device for removing burrs formed in the molding die when molding the product, the deburring device includes: Fixed claws provided at predetermined intervals, a movable claw provided between the fixed claws, and a movable claw that can be brought into contact with and separated from each of the fixed claws; ,
An up-down movement cylinder for moving the holding member in the up-down direction, a part of a burr is positioned between the fixed claw and the movable claw, and the movable claw is moved to the fixed claw by the operation of the movable cylinder. , A part of the burr is pinched between the fixed claw and the movable claw, and further, the operation of the vertical movement cylinder causes the holding member to be separated from the mold, thereby removing the burr from the mold. This means employs means for performing the following.

[Action]

According to the present invention, by adopting the above-described means, the product molded in the molding die of the molding machine is clamped between the fixed claw and the movable claw of the clamping member of the product release device, and the product in the clamping member is formed. By actuating the press-down cylinder to depress the mold, the mold will be released from the mold, and when molding the product, the burr molded in the mold will be
While being held between the fixed claw and the movable claw of the holding member of the deburring device, the holding member is separated from the molding die by the operation of the cylinder for vertical movement, thereby being removed from the molding die.

Therefore, a large number of products can be released at the same time, and a large number of burrs can be removed at the same time.

〔Example〕

Hereinafter, embodiments of the present invention shown in the drawings will be described.

FIG. 1 is a perspective view showing the whole of a molding machine 60 constituted by using a release device 51 and a deburring device 61 according to the present invention.

That is, the molding machine 60 includes a material supply device 1 for supplying a molding material, a molding die loading / unloading device 30 for taking a molding die for molding the supplied molding material into and out of the molding machine 60, and Product release device 51 according to the present invention for release
And a deburring device 61 according to the present invention for removing burrs (spool runner) formed when a product is formed.

The material supply device 1 is configured as shown in FIGS. 2, 3, and 4, wherein FIG. 2 is a schematic front view showing the whole, and FIG. 3 is a side view of the one shown in FIG. FIG. 4 is an explanatory view showing the flow of the molding material.

That is, the material supply device 1 includes an extrusion mechanism 2 for extruding the molding material 10 to a desired size, a cutting mechanism 13 for cutting the molding material 10 extruded from the extrusion mechanism 2 to a desired size. And a transport mechanism 23 for supplying the molding material 10 cut by the cutting mechanism 13 into the molding die loading / unloading device 30 of the molding machine 60.

The extrusion mechanism 2 is provided above a cylindrical pot 3 capable of storing the molding material 10 and the pot 3.
Pressurizing cylinder 5 having ram 4 that can come and go in pot 3
And a replenishing member 6 for replenishing the pot 3 with the molding material 10.
It is composed of

The lower end of the pot 3 is closed by a lid member 7, and a hole 8 for extruding the molding material 10 stored in the pot 3 is formed at an appropriate position of the lid member 7. On the outer peripheral surface of the pot 3, a heating plate 9 for heating the molding material 10 in the pot 3 is provided.

The replenishing member 6 is provided between the ram 4 and the pot 3.
The cylindrical portion 11 can be advanced and retracted in a direction perpendicular to the operating direction of the ram 4 by the operation of the moving cylinder 12.

The cutting mechanism 13 includes a cutting member 15 having a cutting blade 14 for cutting the molding material 10 extruded from the extrusion mechanism 2, and the cutting member 15 is moved in a direction orthogonal to the extrusion direction of the molding material 10. It comprises guide rails 16, 16 that support it so that it can move forward and backward, and a moving cylinder 17 that moves the cutting member 15 forward and backward.

Bearings 19, 19 are attached to the cutting member 15 via shafts 18, 18, and the bearings 19, 19 are respectively provided with grooves 2 provided on the inner surfaces of the respective guide rails 16, 16.
0 and 20, while the cutting member 15 is integrally connected to the moving cylinder 17 via a connecting member 21.
By actuating 17, the cutting member 15 is turned into shafts 18, 18
And the bearings 19, 19 are capable of moving forward and backward along the shapes of the grooves 20, 20 of the guide rails 16, 16.

In this case, since the vicinity of the center of one of the grooves 20, 20 of the guide rails 16, 16 is formed slightly inclined, the cutting member 15 is formed along the shape of the grooves 20, 20. When moving back and forth, it will rotate around one shaft 18 as a fulcrum,
Therefore, at the position A in the drawing, the cutting blade 14 of the cutting member 15 faces upward at an angle of 45 ° with respect to the traveling direction, and at the position B in the drawing, the cutting blade 14 rotates about one shaft 18 as a fulcrum. The cutting blade 14 is directed at the same angle as the traveling direction, that is, completely upward.

That is, the cutting member 15 cuts the molding material 10 extruded from the extruding mechanism 2 in a state where the cutting blade 14 is inclined at an angle of about 45 ° with respect to the traveling direction. While moving back and forth along the shape of the grooves 20, 20 of the rails 16, 16 and rotating about one shaft 18 as a fulcrum, the cutting blade 14 is directed completely upward at the position B in the drawing. Will hold the molding material 10 inside.

The transport mechanism 23 includes an adsorption member 24 that adsorbs the molding material 10 cut by the cutting mechanism 13, and an adsorption member 24
And a vertical movement cylinder 26 for vertically moving the suction member 24.The suction member 24 is connected to a vacuum pump (not shown), The molding material 10 is vacuum-adsorbed by the operation of the pump.

In order to supply the molding material 10 into the molding die of the molding die loading / unloading device 30 of the molding machine 60 using the material supply device 1 configured as described above, first, the molding material is placed in the pot 3 of the extrusion mechanism 2.
In addition to housing the pot 10, the heating plate 9 provided on the outer peripheral surface of the pot 3 is operated to heat the molding material 10 in the pot 3, and the pressurizing cylinder 5 located above the pot 3 is operated to Lower the ram 4 and immerse it in the pot 3,
The molding material 10 in the pot 3 is transferred to the lid member 7 at the lower end of the pot 3.
Extrusion molding to a desired size from the hole 8 of FIG.

In the above case, when the amount of the molding material 10 in the pot 3 becomes small, the molding material 10 is automatically supplied into the pot 3 by the operation of the supply member 6.

Next, the moving member 17 of the cutting mechanism 13 is operated to move the cutting member 15 of the cutting mechanism 13, and the molding material 10 extruded from the extrusion hole 8 of the extrusion mechanism 2 is cut by the cutting member 15. While cutting by the blade 14, the cutting blade member 15 is moved while rotating about one shaft 18 as a fulcrum to be positioned at the position B in the drawing, and the cutting blade 14 is received upward in the drawing to cut the molding material 10. It is held inside the blade 14.

Next, the upper moving cylinder 26 and the horizontal moving cylinder 25 of the transport mechanism 23 are operated to set the suction surface of the suction member 24 inside the cutting 14 of the cutting member 15 so that the molding material 10 is positioned.
The vacuum pump (not shown) is operated to vacuum-adsorb the molding material 10, and then the cylinder 25 for horizontal movement and the cylinder 26 for vertical movement are moved to move the suction member 24 to form the molding material. The material 10 will be supplied into the molding die of the molding machine access device 30 of the molding machine 60.

Further, the mold feeding / unloading device 30 to which the molding material 10 is supplied from the material supply device 1 as described above is configured as shown in FIG. 5 to FIG. 14, and FIG. FIG. 6 is an upper detail view, FIG. 7 is a partial side view of what is shown in FIG. 6, FIG. 8 is a lower detail view, FIG. 9 is a side view of what is shown in FIG. 8, and FIG. Plan view showing a mold guide,
FIG. 11 is a cross-sectional view of the one shown in FIG. 10, FIG. 12 is an explanatory view showing an operation state of the molding die guide, FIG. 13 is an explanatory diagram showing a state in which the molding die guide is in close contact, and FIG. It is explanatory drawing which shows an engagement state.

That is, the molding die loading / unloading device 30 includes an upper plate 31 and a lower plate.
32 and a plurality of shafts 34 through thrust bearings 33, 33
(Four in this embodiment) are provided so as to be slidable in the vertical direction, and guides 35, 36, 37, and 38 for forming raindrops are attached to the respective shafts 34, and the respective shafts 34 When a gear 39 is provided at the lower end of the
The gears 39 are meshed with each other by a gear 40 so that the respective shafts 34 can be simultaneously rotated.Furthermore, a drive source 42 is connected to one of the shafts 34 via a coupling member 41 such as a coupling. On the other hand, a ram 43 is provided on the lower plate 32 so as to be able to protrude and retract from the upper surface of the lower plate 32 by actuation of fluid pressure.

In this case, the respective shafts 34 are simultaneously rotatable by the operation of the drive source 42 and are slidable in the vertical direction, so that the molding die guides 35 and 36 provided on the respective shafts 34 are provided. 37, 38 can also rotate integrally with the shaft 34,
And it can be moved up and down.

Therefore, the molding die guides 35, 36, 37, 38 are:
By the operation of the drive source 42, it is rotated and concentrated at the center of the molding machine 60, and the upper plate 31 is operated by the operation of the ram 43.
The ram 43 and the ram 43 are pressed and come into close contact with each other (see FIGS. 12 and 13).

In this case, the molding guides 35, 36, 37, 38
It is configured as shown in FIG. 10 and FIG. 11, so that the molds 44, 45, 46, 47 of a desired shape can be mounted, and accordingly, the mold guides 35, 36, 37 ,
By mounting the molding dies 44, 45, 46, 47 of a desired shape in advance on the 38, the molds 44, 45, 46, 47 can be easily clamped and opened.

Then, the molding die access device 30 configured as described above
In order to mold the molding material 10 by using the molds, first, the molding dies (distributing dies) 4 are respectively attached to the molding die guides 35, 36, 37, and 38.
4. A molding die (first molding die) 45, a molding die (second molding die) 46, and a molding die (third molding die) 47 are mounted. It is supplied into the upper mold 44 (distribution mold).

Next, the drive source 42 is operated to guide the mold guides 35, 36,
By rotating the shaft 34 of 37, 38, guides 35, 36, 37,
By rotating 38 and connecting it to the center of the molding machine 60, each molding die 44 attached to the molding die guides 35, 36, 37, 38,
Position 45, 46, 47 on the same axis and lower plate 32
By operating the ram 43 provided at the upper part, the respective molds 44, 45, 46, 47 are pushed upward, and the respective molds 44, 45,
The molds 44, 45, 46, 47 are clamped by pressing the 46, 47 between the upper plate 31 and the ram 43 so as to be in close contact with each other (see FIGS. 12 and 13).

Next, the upper heating plate 48 provided on the upper plate 31 and the lower heating plate 49 provided on the lower plate 32 side are operated to form the molds 44, 45, 4
The molding material 10 in 6, 47 is heated and vulcanized, and when the molding is completed, the ram 43 is lowered to form the molding dies 44, 45, 4
The molds 6 and 47 are opened, and the drive source 42 is operated to rotate the respective molds 44, 45, 46 and 47 via their shafts 34.

In the drawings, 50 and 50 are urging members for assisting the opening of the molds 44, 45, 46 and 47.

In this way, the molding material 10 supplied from the material supply device 1 is molded into a product 70 having a desired shape.

FIG. 15 is a schematic view showing the molding process described above, wherein reference numeral 80 denotes a burr (spool runner), and reference numeral 70 denotes a product.

Further, the product release device 51 for releasing the molded product according to the present invention is configured as shown in FIGS. 16 to 19, and FIG. 16 is a schematic sectional view showing the entirety, and FIG. Is the 16th
FIG. 18 is a side view of what is shown in the figure, FIG. 18 is a partially enlarged view of what is shown in FIG. 16, and FIG. 19 is an explanatory view showing the relationship between a product and a product release device.

That is, the product release device 51 is provided above the molding die loading / unloading device 30, and the product release device 51 includes a plurality of key-shaped fixed claws 52 provided at predetermined intervals. A holding member 55 including a plurality of movable claws 53 provided between the fixed claws 52 and a movable cylinder 54 connected to the movable claws 53.
Is provided in the holding member 55, and can protrude out of the holding member 55 by the action of fluid pressure (hydraulic pressure), and can push down the second molding die 46 on which the product 70 is formed at the time of protrusion. And a press-down cylinder 56.

In this case, the movable claw 53 can be brought into contact with and separated from the fixed claw 52 by the operation of the movable cylinder 54. Therefore, the second molding die 46 is provided between the fixed claw 52 and the movable claw 53. By positioning a part of the product 70 formed on the movable claw 52 and operating the movable cylinder 54 so that the movable claw 53 approaches the fixed claw 52, the product 70 is moved between the fixed claw 52 and the movable claw 53. Can be pinched.

In order to release the product 70 using the product release device 51 configured as described above, first, a part of the product 70 is placed between the fixed claw 52 and the movable claw 53 of the holding member 55. And operating the movable cylinder 54 to fix the fixed claw 52
The product 70 is sandwiched between the movable claw 53 and the movable claw 53, and thereafter, a fluid pressure (oil pressure) is applied to a push-down cylinder 56 provided in the sandwiching member 55 so that the push-down cylinder 56 is moved outside the holding member 55. By pressing down the second mold 46 on which the product 70 is molded by protruding downward, the mold can be released.

In this case, since the holding member 55 is provided with a plurality of fixed claws 52 and movable claws 53 for holding the product 70, the product is molded by connecting the product release device 51 to the molding machine 60. A plurality of products 70, 70,... Can be simultaneously released.

Therefore, if the molding machine 60 is configured by using the product release device 51, a plurality of products can be released at the same time, and the work efficiency at the time of releasing the products can be significantly improved. Thus, productivity can be improved.

Further, a deburring device 61 according to the present invention for removing a burr 80 (spool runner) formed above the product 70.
Is configured as shown in FIG. 20 to FIG.
FIG. 21 is a schematic view showing the whole, FIG. 21 is a partial explanatory view of the one shown in FIG. 20, FIG. 22 is a side view of the one shown in FIG. 21, and FIG. FIG. 24 is an explanatory view showing the positional relationship between the deburring device and the mold.

That is, two sets of this deburring device 61 are provided below the distribution die 44 of the molding die loading / unloading device 30, and one of the deburring devices 61 removes the burr 80 formed on the lower surface of the distribution die 44. The other deburring device 61 is for removing the burr 80 attached to the upper surface of the first molding die 45.

That is, these deburring devices 61 include key-shaped fixed claws 62 provided at predetermined intervals, movable claws 63 provided between the fixed claws 62, and a movable cylinder connected to the movable claws 63. 64, and a vertical movement cylinder 66 for vertically moving the holding member 65.

In this case, the movable claw 63 can be brought into contact with and separated from the fixed claw 62 by the operation of the movable cylinder 64.Therefore, the movable claw 63 is formed by the molding machine 60 between the fixed claw 62 and the movable claw 63 during molding. By positioning the burr 80 and operating the movable cylinder 64 to bring the movable claw 63 closer to the fixed claw 62, the burr 80 can be sandwiched between the fixed claw 62 and the movable claw 63. Has become.

Then, in order to remove the burr 80 formed on the lower surface of the distribution mold 44 using the deburring device 61 configured as described above, first, the fixing claw of the holding member 65 of the one deburring device 61 is used.
A part of the burr 80 is located between the movable claw 62 and the movable claw 63, and the movable cylinder 64 is operated to move the fixed claw 62 and the movable claw 63.
The burrs 80 formed on the lower surface of the distribution mold 44 can be removed by holding the burrs 80 between the dies 63 and thereafter operating the vertical movement cylinder 66 to lower the holding members 65 downward in the drawing. become.

The burr 80 attached to the upper surface of the first molding die 45 is removed by operating the other deburring device 61 in the same manner as described above. You can do it.

Therefore, if the molding machine 60 is configured using the deburring device 61, a plurality of burrs can be removed at the same time, so that the working efficiency can be significantly improved and the productivity can be improved. become.

In this case, a vacuum pump may be connected to the deburring device 61, and the removed burrs may be vacuum-sucked and stored in a storage unit (not shown). The product released from the molding apparatus 30 may be stored by vacuum suction in the same manner as the deburring apparatus 61.

〔The invention's effect〕

According to the present invention, as described above, a large number of molded products are clamped between the fixed claw and the movable claw of the clamping member of the product release device, and in this state, the pressing down of the clamping member is performed. By operating the cylinder and pushing down the mold on which the product is molded, many products can be released at the same time, and when molding the product, the large number of burrs formed By nipping between the fixed claw and the movable claw of the holding member of the device and moving the holding member by operating the vertical movement cylinder in this state, it is possible to simultaneously remove a large number of burrs, If a molding machine is configured using the product release device and the deburring device, the molded product can be easily released and burrs can be removed, and the working efficiency is remarkably improved. Will be capable of improving, thereby, those having excellent effects, such as will be able to provide an inexpensive product can productivity be significantly improved.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing an entire molding machine constituted by using a product release device and a deburring device according to the present invention, and FIGS. 2, 3, and 4 are product release devices and a product release device according to the present invention. 2 shows a material supply device of a molding machine constituted by using a deburring device, FIG. 2 is a front view showing the whole, FIG. 3 is a side view of the one shown in FIG. 2, and FIG. 4 shows a flow of the molding material. FIG. 5 to FIG. 15 show a molding die loading / unloading device of a molding machine constituted by using a product release device and a deburring device according to the present invention, and FIG. 6 is an upper detail view, FIG. 7 is a partial side view of the one shown in FIG. 6, FIG. 8 is a lower detail view, FIG. 9 is a side view of the one shown in FIG. 8, and FIG. FIG. 11 is a cross-sectional view of what is shown in FIG. 10, and FIG. 12 is an explanatory view showing an operation state of a molding die guide. , FIG. 13 is an explanatory diagram showing a state in which a molding die guide is in close contact, FIG. 14 is an explanatory diagram showing a meshing state of gears, FIG. 15 is a schematic explanatory diagram showing a molding process, and FIG.
FIG. 19 to FIG. 19 show a product release device according to the present invention, and FIG.
The figure is a schematic sectional view showing the whole, FIG. 17 is a side view of the one shown in FIG. 16, FIG. 18 is a partially enlarged view of the one shown in FIG.
Fig. 19 is an explanatory diagram showing the relationship between the product and the product release device.
FIG. 24 to FIG. 24 show a deburring apparatus according to the present invention, and FIG.
FIG. 21 is a schematic view showing the whole, FIG. 21 is a partial explanatory view of the one shown in FIG. 20, FIG. 22 is a side view of the one shown in FIG. 21, and FIG. FIG. 24 is an explanatory view showing the positional relationship between the deburring device and the mold. DESCRIPTION OF SYMBOLS 1 ... Material supply apparatus 2 ... Extrusion mechanism 3 ... Pot 4 ... Ram 5 ... Pressurizing cylinder 6 ... Supply member 7 ... Lid member 8 ... Hole 9 ... Heating plate 10 ... Molding material 11 …… Cylinder part 12, 17… Cylinder for movement 13 …… Cutting mechanism 14 …… Cutting blade 15 …… Cutting member 16 …… Guide rail 18, 34 …… Shaft 19 …… Bearing 20 …… Groove 21, 41… ... Connecting member 23 ... Transport mechanism 24 ... Suction member 25 ... Cylinder for horizontal movement 26,56,66 ... Cylinder for up and down movement 30 ... Molding / unloading device 31 ... Top plate 32 ... Bottom plate 33 ... thrust bearings 35, 36, 37, 38 ... guides for molding dies 39, 40 ... gears 42 ... drive sources 43 ... rams 44 ... molding dies (distribution dies) 45 ... molding dies (first Molding tool) 46 Molding tool (second molding tool) 47 Molding tool (third molding tool) 48 Upper heating plate 49 Lower heating plate 50 Biasing member 51 Product separation Molding device 52, 62: Fixed claw 53, 63… movable claws 54, 64… movable cylinders 55, 65… clamping members 60… molding machine 61… deburring device 65… clamping members 70… products 80… burrs

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ identification code FI B29C 45/40 B29C 45/40 (58) Investigated field (Int.Cl. ⁶ , DB name) B29C 33/44 B29C 37/02 B29C 45/40

Claims (2)

(57) [Claims] 1. A mold release device for releasing a product molded in a molding die (46) from a molding die (46), wherein the release device comprises fixed claws provided at predetermined intervals. 52), (52)
And, provided between each fixed claw (52), (52),
Movable claws (53), (53) that can be moved toward and away from the fixed claws (52), (52), and a movable cylinder (54) that operates the movable claws (53), (53). A holding member (55), a pressing member provided in the holding member (55), capable of projecting out of the holding member (55) by the action of fluid pressure, and capable of pressing down the molding die (46) at the time of protrusion. A lower cylinder (56), a part of a molded product is positioned between the fixed claws (52), (52) and the movable claws (53), (53), and the movable cylinder (54) is operated to move the movable claws (53) and (53) to the fixed claws (52) and (5).
2) Close the fixed claws (52), (52) and the movable claws (5
3), a part of the product is clamped between (53) and (53), and the press-down cylinder (56) is actuated to form the molding die (46).
, Whereby the product is released from the mold (46). 2. A deburring device for removing burrs formed in a molding die (44) when molding a product, wherein the deburring device comprises fixed claws (62) provided at predetermined intervals. ),
(62) and movable claws (63), (63) provided between the fixed claws (62), (62) and capable of coming and going with respect to the fixed claws (62), (62). A holding member (65) including a movable cylinder (64) for operating the movable claws (63) and (63);
And a cylinder (66) for vertically moving the holding member (65) in the vertical direction, wherein the fixed claws (62), (62)
A part of a burr is positioned between the movable claw (63) and the movable claw (63), and the movable claw (63) and (63) are moved to the fixed claw (62) by the operation of the movable cylinder (64). , (6
Close the fixed claws (62), (62) and the movable claws (6
3), a part of the burr is clamped between (63) and (63), and further, the holding member (65) is separated from the molding die (44) by the operation of the vertical movement cylinder (66) to form A deburring device for removing the burr from the mold (44).