JPS5894442A - Automatic demounting device of injection molded piece - Google Patents

Abstract

PURPOSE:To provide the titled device capable of obtaining large traversing stroke without augmentation of vibrations at a chuck section by a method wherein a moving holder is moved forward and backward in multiple stages by a moving gear which reciprocates on the longitudinal track member. CONSTITUTION:The longitudinal track members 7a, 7b are incorporated with a carriage 6 that is capable of reciprocating in the lengthwise directin on the body rame 1 fixed to a molding machine and is contrived so that it can extend to the direction rectangular to the longitudinal direction of the frame 1. The moving holder 10 can reciprocate by the moving gear 19 on the reciprocating members 7a, 7b. A vertical cylinder 12 is fixed to the moving holder 10 so that the chucking section 11 equipping a holding member 24 for chucking a molded piece P is moved vertically.

Description

[Detailed description of the invention] Technical field The present invention relates to an automatic extraction device for injection molded products.

Conventional technology Conventionally, in an automatic take-out device for injection molded products (hereinafter referred to as molded products), a machine that reciprocates in the longitudinal direction on a rail extending in the longitudinal direction of a main body frame fixed to the molding machine. It consists of a body, a holder part that is moved back and forth by a front and rear cylinder fixed to the traveling body, and a chuck part that is moved up and down by a vertical cylinder fixed to the holder part, and the chuck part is connected to the 1r11 rear cylinder and the holder. Since the structure is fixed and held by the chuck part, it is necessary to suppress the vibration of the chuck part in order to shorten the cycle for removing the molded product, and the rear stroke of the chuck part is limited. was.

Further, since the chuck part is configured to be moved by a single motion of a predetermined stroke by the front and rear cylinders, it has been impossible to change the position of the chuck part in multiple stages.

OBJECTS OF THE INVENTION In view of the above-mentioned drawbacks of the conventional art, an object of the present invention is to change the position of the chuck part in multiple stages, to obtain a long stroke, and to reduce the vibration of the chuck part and to improve the ejecting process. An object of the present invention is to provide an automatic molded product take-out device that can shorten the cycle.

Composition of the invention Hereinafter, the present invention will be explained according to examples.

Fig. 1 is a front view of the molded product automatic take-out device according to the present invention, Fig. 2 is a plan view of Fig. 1, and Fig. 3 is a side view of Fig. 1. a pedestal part 2 to be fixed;
It consists of a running part 3 extending in the left-right direction in the figure, and a pair of rails 4B, 4b are fixed on the running part 3 in the left-right longitudinal direction.

Further, on the running section 3, a rack gear 5 is fixed to one rail 4all.

The running body 6 is fitted to the rails 4a and 4b so as to be reciprocally movable, and a pair of front and rear running members 7 are provided in the rearward direction of #J.
a and 7b are formed extending in a direction perpendicular to the 1/- rails 4@ and 4b, and a pair of #I rear rails 8a and 8b are fixed in the rearward direction on the front and rear running members 7a and 7b. There is.

The traveling body 6 has a gear (
A drive member 9 (not shown) is fixed to a rotor, and as the drive member 9 is driven, the traveling body 6 is reciprocated in the left-right direction.

The movable holder 10 is attached to the #J rear rails 8a and 8b.
A vertical cylinder 12 that moves the chuck part 11 up and down is mounted so as to be movable backward.

A pair of guide rods 13g and 13b are fitted into the movable holder 10 so as to be movable in the vertical direction in parallel with the upper and lower cylinders 12, and a pair of guide rods 13g and 13b are fitted on the upper portions of the guide rods 13m and 13b so as to extend over the cylinder tubes of the upper and lower cylinders 12. A slidable stopper 14 is fixed such that its position can be changed.

The screw shaft 15 is screwed into a bracket 16 fixed to the surface of the traveling body 61111 so as to be movable back and forth, and the movable holder 10111! It is pivotally supported by a bracket 17 fixed to a surface, and a gear 1 having an appropriate gear ratio is mounted on the bracket 17 side.
8 is fixed.

The longitudinal movement drive member 19 is made of, for example, an induction motor, etc., and is fixed to the moving holder 10 @ surface, and the rotor of the longitudinal movement drive member 19 is equipped with a gear 2 having an appropriate gear ratio.
0 is fixed, and a timing belt 21 is stretched between the gears 18 and 20 to rotate the screw shaft 15.

The chuck section 11 consists of a cylinder and a toggle mechanism, for example, to which the piston rod of the upper and lower cylinders 12 and the lower ends of the guide rods 13a and 13b are fixed, and includes an attitude control member 22 for reversing the attitude, and a toggle mechanism. It is comprised of a holding member 24, such as an air cylinder or a slurry, which is disposed opposite to a chuck plate 23 fixed to the control member 22 and holds the molded product P.

Next, the operation of this embodiment will be explained with reference to FIG.

When the traveling body 6 is located above the molding section of the molding machine (not shown) on the left end side in the figure, when the back-and-forth movement drive member 19 is rotationally driven as necessary, the screw shaft 15 is rotated and the movable holder 1 is rotated.
0 to n*, and the chuck part 11 is positioned above all the molds attached to the molding part.

In the above state, the upper and lower cylinders 12 are operated to move the chuck part 11 downward between the released molds, and then the screw shaft 15 is rotated by the drive of the longitudinal drive member 19, and the moving holder 1o is moved forward to chuck the chuck part 11. Holding member 24 of section 11
It is moved forward so that it is located on the core side corresponding to the molded product P.

In the above state, the holding member 24 is operated to chuck or stick the molded product P, and then the movable holder 1ot1M is retracted by the reverse drive of the liJ rear drive member 19, and the molded product P is separated from the mold. Make a mold.

In the above state, the chuck part 1 is
1 is moved upward to take out the molded product P out of the molding section, and then the back and forth movement drive member 19 is driven to move the chuck part 11 to an appropriate position.

With the chuck M11 holding the molded product P, the drive member 9
is driven, the traveling body 6 moves along the rail 4a according to the drive.
-4b to the right and reaches the molded product release position, the posture control member 22 is activated and chucks! +11 is reversed by about 90'', and the posture is controlled so that the molded product P faces the desired vertical direction.

After moving the chuck part 11 back and forth above the desired release position by appropriately driving the longitudinal drive member 19 as required above the molded product release position, the chuck Ial? 11 is moved downward, and the operation of the holding member 24 is released to release the molded product P from the holding member 24.

After the molded product P is automatically taken out from the molding machine one by one by repeating the above operation, the molded product is released at the release position and the take-out operation is executed. During the release operation, the back and forth movement drive member is driven above the release position. It is also possible to release the molded products while appropriately changing the position of the movable holder each time the movable holder is released, and to arrange the molded products on a magazine, for example.

Therefore, in this embodiment, since the chuck fJ, '11 is moved vIuI on the pair of front and rear running members 7a and 7b to execute the work of the automatic take-out device for the molded product P, the front and rear strokes are set to be long. In addition, the chuck portion 11 can suppress to a minimum the occurrence of vibrations caused by its 1IiT backward movement, which speeds up the work of taking out the molded product P and shortens the taking out cycle.

In addition, since the movable holder 1o can move back and forth in multiple stages on the front and rear traveling members 7m and 7b by the #IuI dynamic drive member 19, it is easier to move the release position of the molded product P, for example, than when using conventional front and rear cylinders. It is possible to change the setting to an arbitrary position, for example, to directly store the molded product P in a compartmentalized magazine, which can also save labor in boxing work and the like.

Note that the longitudinal movement drive member in the present invention is not limited to this embodiment, and may be, for example, a rotation of an induction motor or the like in which a gear is attached to a rotor that meshes with a rack gear attached to a rear traveling member of 1liT. A configuration in which the movable member is fixed to the movable holder and the movable holder is moved back and forth on the backward traveling member may also be implemented.

In this embodiment, when the molded product removal operation is performed, the movable holder is moved forward by the longitudinal drive member when the traveling body is located on the left end side of the traveling portion, but the present invention is limited by this embodiment. It is also possible to implement a configuration in which the movable holder is positioned above the mold in advance when the traveling body is located on the left end side of the traveling part, and this configuration allows the movable holder to be positioned in advance. It is possible to shorten the take-out cycle by reducing the moving area.

As described in detail, the present invention includes a main body frame that is fixed to a molding machine and is movable back and forth in the longitudinal direction, and a main body frame that is integrally attached to the running body and extends in the front-rear direction perpendicular to the longitudinal direction. a pair of liJ rear traveling members to be released, a movable holder capable of reciprocating on the backward traveling body member in a v1t11 direction perpendicular to the longitudinal direction, a back-and-forth movement drive member that moves the movable holder n backwards, and the movement The structure consists of an upper and lower cylinder that moves up and down the chuck, which is fixed to the holder and equipped with a holding member that chucks the molded product, so that the position of the chuck part can be changed in multiple stages and a long back-and-forth stroke can be obtained. Although it is possible to do this, it is extremely effective in practical use as an automatic molded product take-out device that can suppress vibrations of the chuck part and shorten the take-out cycle.

[Brief explanation of drawings]

Figure 1 is a front view schematically showing the automatic molded product take-out device according to the present invention, Figure 2 is a plan view of Figure 1, Figure 3 is a side view of Figure 1, and Figure 4 is the automatic molded product take-out device. This is a diagram showing the operating status of the , in which 1 is the main body frame, 3 is the running section, 6 is the running body, and 7
a-7b fliT$# running member; 11 is a chuck portion; and 19 is a longitudinal drive member. Patent applicant Star Seiki Co., Ltd. Agent Patent attorney Ken Fujiji −

Claims (1)

[Scope of Claims] l. A traveling body fixed to the injection molding machine and capable of reciprocating in the longitudinal direction of the main body frame; and a traveling body integrally attached to the traveling body and extending in the Re direction perpendicular to the longitudinal direction. a pair of lIT rear traveling members; a movable holder capable of reciprocating on the n-shaped traveling body member in a direction perpendicular to the longitudinal direction; and a back-and-forth movement drive member for moving the movable holder back and forth; Fixed to a moving holder,
4. An automatic injection molded product take-out device comprising an upper and lower cylinder for vertically moving a chuck equipped with a holding member for chucking the injection molded product. 2. The #1 rear drive member has a gear attached to the rotor that meshes with a rack gear fixed to the front and rear running members,
The automatic injection molded product retrieval device as set forth in claim 1, characterized in that the device comprises a rotating member fixed to the movable holder. 3. The rear drive member 11i rotates a screw shaft, which has one end screwably attached to a part of the traveling body and the other end is pivotally supported by a part of the movable holder. 2. The automatic injection molded product retrieval device according to claim 1, further comprising a rotating member that reciprocates the movable holder in the backward direction.