JP3696754B2 - Desorption guide mechanism and desorption guide mechanism for plasticizing unit of vertical injection molding machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a plasticizing unit detachment guide mechanism and a detachment guide method for a vertical injection molding machine that guides the detachment of a plasticizing unit from a vertical injection molding machine.
[0002]
[Prior art]
As a conventional plasticizing unit detaching and conveying apparatus for vertical injection molding machines, there is one disclosed in Japanese Patent Laid-Open No. 4-208427, which can be connected to a crane at the center of weight of the plasticizing unit. And a pair of hinge supports are attached to the mounting plate, and the hinges are pivotally supported on the hinge supports by pivot pins. .
[0003]
When attaching the plasticizing unit to the mounting plate, connect the crane to the suspension bolt, carry the plasticizing unit close to the main body of the injection molding machine while keeping it horizontal, and support the hinge on the hinge support by the pivot pin, After lowering the crane and lowering the plasticizing unit so that the tip of the plasticizing unit forms an arc in the vertical plane centering on the pivot pin, the crane is moved from the plasticizing unit that is in a tilted posture due to the position of the center of gravity. Remove. At this time, since the plasticizing unit is inclined and the horizontal position of the suspension bolt is separated from the mounting plate, the crane can be removed without interfering with the mounting plate. Thereafter, the operator pushes or pulls the plasticizing unit and holds it concentrically with the mounting center line and attaches it to the mounting plate with mounting bolts.
[0004]
Also, when removing the plasticizing unit from the mounting plate, if the mounting bolt is removed, the plasticizing unit turns around the pivot pin by its own weight and assumes an inclined posture, and the horizontal position of the suspension bolt is the mounting plate. Separate from. Thus, the crane is connected to the suspension bolt without interfering with the mounting plate, the plasticizing unit is lifted in a horizontal state, the hinge is removed from the hinge support, and the plasticizing unit is separated from the mounting plate.
[0005]
Further, as described in the prior art of the above publication, a pair of rails extending in parallel to each other to a position separated from the machine center of the vertical injection molding machine at the lower end of the mounting plate for attaching the upper end of the plasticizing unit When a plasticizing unit is attached to a vertical injection molding machine, the plasticizing unit suspended by a crane is held at a position separated from the vertical injection molding machine of the holding device. When the plasticizing unit is removed from the vertical injection molding machine, the plasticizing unit is removed from the mounting plate and then separated from the vertical injection molding machine of the holding device. Slide horizontally to the position and lift it with a crane.
[0006]
[Problems to be solved by the invention]
However, in the case where the plasticizing unit is attached to the mounting plate using the conventional L-shaped hinge, the plasticizing unit takes an inclined posture by its own weight when the plasticizing unit is not fixed to the mounting plate. The operator may let go of the plasticizing unit while working to bring the plasticizing unit concentric with the mounting center line, or the bolt may be removed while the plasticizing unit is fixed to the mounting plate. Also, immediately after removing all the bolts during the removal work, the plasticizing unit suddenly swivels around the pivot pin due to its own weight, which makes it possible for workers who work in a narrow and high position. There is a possibility that the plasticizing unit hits or the plasticizing unit hits the vertical injection molding machine main body, particularly the drive unit.
[0007]
In addition, when the plasticizing unit is slid horizontally, it is necessary to make a large notch on the side surface of the mounting plate so that the upper end of the plasticizing unit does not interfere, and there is a problem in the strength of the mounting plate.
The present invention is intended to solve such problems, and vertical injection molding that allows one person to easily and safely carry out the detachment of the plasticizing unit and the drive unit and the carrying out and loading of the plasticizing unit. An object of the present invention is to provide a detachment guide mechanism and a detachment guide method for a plasticizing unit of a machine.
[0009]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention includes a mounting plate (16) fixed to a vertical injection molding machine and an upper side of the mounting plate (16). The screw drive device (14) that is disposed in the upper and lower directions (16a) and is movable in the vertical direction with respect to the mounting plate (16), and the upper end (18a) are detachably connected to the lower end (16a) of the mounting plate (16). And a vertical injection molding machine (10) having a plasticizing unit (18) detachably connected to a screw driving device (14) at a screw rear end (18b) protruding upward from an upper end (18a). ) In the vertical injection molding machine (10) for guiding the attachment and detachment of the plasticizing unit (18),
Below the mounting plate (16), it slides horizontally while holding the plasticizing unit (18) suspended from the machine center position (10a) of the vertical injection molding machine (10) to a position separated from the machine center position (10a). A holding device (20) that can be moved is provided, and the holding device (20) moves up and down integrally with the screw driving device (14) and moves to the screw driving device (14). On the other hand, it is detachably attached.
[0010]
Thus, when the plasticizing unit (18) is moved between the vertical center of the vertical injection molding machine (10) and the position separated from the machine center position (10a), the holding device is integrated with the screw driving device (14). After lowering (20) to increase the distance from the mounting plate (16), the plasticizing unit (18) is slid horizontally while being held by the holding device (20) in a suspended state, thereby mounting the plate (16). Further, when the plasticizing unit (18) is attached to the attachment plate (16), the holding device (20) is raised integrally with the screw drive device (14). Since the plasticizing unit (18) is raised in the vertical direction and the plasticizing unit (18) is brought into contact with the lower end (16a) of the mounting plate (16) by the upper end (18a), the plasticizing unit (18) Slowly Only the horizontal and vertical movements occur, and the plasticizing unit (18) does not suddenly descend or swivel, so the plasticizing unit (18) has come off the mounting plate (16). As soon as the plasticizing unit (18) suddenly turns and hits the operator, it does not hit the vertical injection molding machine body.
[0011]
Further, since the plasticizing unit (18) can be attached and detached by the original operation of the screw driving device (14), that is, the movement of the screw driving device (14) in the vertical direction, a desorption guide device can be provided at low cost without requiring a special device. Can provide.
[0012]
Further, the holding device (20) is separated from the mounting plate (16), and the plasticizing unit (18) is separated from the machine center position (10a) of the vertical injection molding machine (10) through the space between them. Since it can be moved between positions, it is not necessary to form a notch in the mounting plate (16).
[0013]
The invention according to claim 2 is the upper end of the connecting rod (22) movably inserted through the insertion hole (16b) formed in the mounting plate (16) in the invention according to claim 1. The portion (22a) is detachably connected to the screw drive device (14) and the lower end portion (22b) is detachably connected to the holding device (20).
[0014]
As a result, the holding device (20) moves up and down integrally with the screw drive device (14) via the connecting rod (22), but the connecting rod (22) is movable with respect to the mounting plate (16). Since the mounting plate (16) does not move, the screw driving device (14) is moved in the vertical direction to move the mounting plate (16) between the holding device (20). The distance can be changed.
[0015]
Furthermore, in the invention according to claim 3 of the present invention, the holding device (20) is slid in a state in which both sides of the upper end portion (18a) of the plasticizing unit (18) are locked, and the vertical injection molding is performed. It is a pair of rails capable of moving the plasticizing unit (18) between the machine center position (10a) and the position separated from the machine (10).
[0016]
Thereby, the plasticizing unit (18) can be moved in a stable state and smoothly to a position separated from the machine center position (10a) of the vertical injection molding machine (10).
[0017]
Moreover, invention of Claim 4 among this invention WHEREIN: In the plasticizing unit removal | desorption guide method of the vertical injection molding machine using the plasticization unit removal | desorption guide mechanism of any one of Claim 1 thru | or 3, The plasticizing unit (18) is attached to the screw driving device (14) by first moving the screw driving device (14) downward to lower the holding device (20) integrally with the screw driving device (14). Is separated from the mounting plate (16),
Next, the plasticizing unit (18) suspended by a crane or the like is held in a suspended state at a position separated from the vertical injection molding machine (10) of the holding device (20),
Next, the plasticizing unit (18) is slid horizontally to the machine center position (10a), and then the holding device (20) is raised integrally with the screw driving device (14) by moving upward, thereby plasticizing. The upper end (18a) of the assembly unit (18) is brought into contact with the lower end (16a) of the mounting plate (16);
Next, after the upper end portion (18a) of the plasticizing unit (18) is attached to the lower end portion (16a) of the attachment plate (16), the screw drive device (14) is moved downward by the screw drive device (14). This is done by inserting and fastening the screw rear end (18b) to the drive shaft (14a),
Removal of the plasticizing unit (18) from the screw drive device (14) is performed by releasing the fastening between the screw rear end (18b) and the drive shaft (14a) of the screw drive device (14). 14) is raised, the plasticizing unit (18) is held by the holding device (20), the plasticizing unit (18) is removed from the mounting plate (16), and the screw drive device (14) is moved downward. Thus, the holding device (20) is lowered integrally with this to separate the holding device (20) from the mounting plate (16), and the plasticizing unit (18) is a vertical injection molding machine (10) of the holding device (20). It is characterized by being carried out by sliding it horizontally to a position separated from the machine center position (10a) and then lifting it with a crane or the like.
[0018]
In this way, the plasticizing unit (18) is held in a suspended state on the holding device (20), and the position where the plasticizing unit (18) is separated from the vertical injection molding machine (10) and the machine center position (10a). Can be moved by sliding the plasticizing unit (18) horizontally while being held by the holding device (20), and the upper end (18a) of the plasticizing unit (18) can be moved. Since the operation of contacting or separating the mounting plate (16) can be performed by moving the screw driving device (14) in the vertical direction, the plasticizing unit (18) to the screw driving device (14) can be moved. Desorption and removal. Carry-in work can be done safely and easily by one person.
In addition, the code | symbol in the said parenthesis shows the corresponding member of embodiment mentioned later.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a configuration diagram showing a part of a vertical injection molding machine according to an embodiment of the present invention, and FIG. 2 is a view taken in the direction of arrow A in FIG. 1 (a state in which a screw driving device is located at a lowermost forward position) ), FIG. 3 is a view taken in the direction of arrow A (a state where the screw driving device is located at the uppermost rearward position), and FIG. 4 is a cross-sectional view showing a state of connection between the connecting rod, the screw driving device and the holding device FIG. 5 is a side view showing the vicinity of the connecting portion between the holding device and the connecting rod.
[0020]
As shown in FIGS. 1 to 3, the injection device of the vertical injection molding machine 10 basically includes a screw driving device 14, a mounting plate 16, a plasticizing unit 18, and a holding device 20. The mounting plate 16 is fixed and arranged with respect to the vertical injection molding machine 10. The screw driving device 14 is disposed above the mounting plate 16 and can be moved in the vertical direction on the machine center position 10a of the vertical injection molding machine 10 by the lifting / lowering device 12. In the plasticizing unit 18, an upper end 18a is detachably connected to the lower end 16a of the mounting plate 16 by a mounting bolt 28, and a screw rear end 18b protruding upward from the upper end 18a is driven by the screw driving device 14. The shaft 14a is detachably fastened by a coupling.
[0021]
The holding device 20 is located below the mounting plate 16, and is horizontally slid while holding the plasticizing unit 18 in a suspended state until the position separated from the machine center position 10 a of the vertical injection molding machine 10. Are a pair of rails capable of moving the axis of the plasticizing unit 18. As shown in FIG. 4, the upper end portion 22a of the connecting rod 22 movably inserted through the insertion hole 16b formed in the mounting plate 16 is screwed into the screw drive device 14, and the lower end portion of the holding device 20 is inserted into the lower end portion 22b. When the mounting bolt 24 is screwed in, the coupling bolts 24 are detachably coupled to each other, and the holding device 20 and the screw driving device 14 are coupled so as to move vertically.
The length of the connecting rod 22 is longer than the screw rear end portion 18b protruding above the plasticizing unit 18 does not touch the lower end portion 16a of the mounting plate 16 when the screw driving device 14 is moved downward. is necessary. Further, the holding device 20 is provided with a positioning mechanism 26 shown in FIG. 3, and by bringing the plasticizing unit 18 into contact with the positioning mechanism 26, the position of the axis of the plasticizing unit 18 is changed to the machine center position 10a. The movement of the plasticizing unit 18 can be restrained at a concentric position.
[0022]
Next, the attaching and removing operations of the plasticizing unit 18 will be described.
When attaching the plasticizing unit 18 to the screw driving device 14, first, as shown in FIG. 2, the holding device is integrated with the screw driving device 14 via the connecting rod 22 by moving the screw driving device 14 downward. 20 is lowered to separate the holding device 20 from the mounting plate 16.
[0023]
Next, the plasticizing unit 18 suspended by a crane or the like is held in a suspended state at a position separated from the vertical injection molding machine 10 of the holding device 20, and the operator manually holds the plasticizing unit 18 in FIG. The plasticizing unit 18 is brought into contact with the positioning mechanism 26 by horizontally sliding in the direction indicated by the middle arrow. Thereby, the axis of the plasticizing unit 18 is concentric with the machine center position 10a.
[0024]
Next, as shown in FIG. 3, the holding device 20 is raised integrally with the screw driving device 14 via the connecting rod 22 by the upward movement of the screw driving device 14, and the upper end portion 18 a of the plasticizing unit 18 is moved. The upper end portion 18 a of the plasticizing unit 18 is attached to the lower end portion 16 a of the mounting plate 16 with mounting bolts 28 while being brought into contact with the lower end portion 16 a of the mounting plate 16. Next, the screw rear end 18b is inserted into the drive shaft 14a of the screw drive device 14 by the downward movement of the screw drive device 14 and fastened by coupling.
[0025]
Next, when removing the plasticizing unit 18 from the screw drive device 14, the fastening by the coupling between the screw rear end portion 18b and the drive shaft 14a of the screw drive device 14 is released, and the screw drive device 14 is raised, The plasticizing unit 18 is held by the holding device 20, the mounting bolt 28 is removed, and the plasticizing unit 18 is removed from the mounting plate 16. Next, the holding device 20 is lowered integrally with the screw driving device 14 via the connecting rod 22 by the downward movement of the screw driving device 14 to separate the holding device 20 from the mounting plate 16. Next, the operator slides the plasticizing unit 18 by hand to a position separated from the machine center position 10a of the vertical injection molding machine 10 of the holding device 20, and then lifts it with a crane or the like.
[0026]
【The invention's effect】
As described above, according to the present invention, the plasticizing unit (18) can only move slowly in the horizontal direction and the vertical direction, and the plasticizing unit (18) suddenly moves. As the plasticizing unit (18) is detached from the mounting plate (16), the plasticizing unit suddenly turns and hits the operator as the plasticizing unit (18) is detached from the mounting plate (16). No longer hitting the vertical injection molding machine body, one person can safely and easily attach and detach the plasticizing unit.
[0027]
In addition, the plastic drive unit (18) can be attached and detached by the original operation of the screw drive device (14), which is the vertical movement of the screw drive device (14) on the machine center position (10a), so a special device is required. However, a desorption guide mechanism for the plasticizing unit (18) can be provided inexpensively.
[0028]
Further, the holding device (20) is separated from the mounting plate (16), and the plasticizing unit (18) is separated from the machine center position (10a) of the vertical injection molding machine (10) through the space between them. Since it can be moved between positions, it is not necessary to form a notch in the mounting plate (16).
[0029]
In the present invention, the holding device (20) moves up and down integrally with the screw drive device (14) via the connecting rod (22). Is only movably inserted into the mounting plate (16), and since the position of the mounting plate (16) is fixed, the screw driving device (14) is moved by moving it up and down. The distance between the plate (16) and the holding device (20) can be varied.
[0030]
Further, in the present invention, the invention according to claim 3 is a position in which the plasticizing unit (18) is in a stable state and smoothly separated from the machine center position (10a) of the vertical injection molding machine (10). Can be moved between.
[0031]
Moreover, among the present inventions, the invention according to claim 4 can safely and easily perform the work of detaching the plasticizing unit (18) from the screw drive device (14).
[Brief description of the drawings]
FIG. 1 is a configuration diagram showing a part of a vertical injection molding machine according to an embodiment of the present invention.
FIG. 2 is a view taken in the direction of arrow A in FIG. 1 and shows a state in which the screw drive device is located at the lowest forward position.
FIG. 3 is a view taken in the direction of arrow A in FIG. 1 and shows a state in which the screw driving device is located at the uppermost last retracted position.
FIG. 4 is a cross-sectional view showing a connection state between a connecting rod, a screw driving device, and a holding device.
FIG. 5 is a side view showing the vicinity of the connecting portion between the holding device and the connecting rod.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Vertical injection molding machine 10a Machine center position 14 Screw drive device 16 Mounting plate 16b Insertion hole 18 Plasticizing unit 20 Holding device 22 Connecting rod

Claims (4)

A mounting plate (16) that is fixedly disposed with respect to the vertical injection molding machine, and a screw drive device that is disposed above the mounting plate (16) and is movable in the vertical direction with respect to the mounting plate (16). 14) and the upper end (18a) are detachably connected to the lower end (16a) of the mounting plate (16), and the screw rear end (18b) protruding upward from the upper end (18a) is screw driven. A vertical injection molding machine (10) having a plasticizing unit (18) removably coupled to an apparatus (14), and guides the attachment / detachment of the plasticizing unit (18) from the vertical injection molding machine (10). A guide mechanism for
Below the mounting plate (16), it slides horizontally while holding the plasticizing unit (18) suspended from the machine center position (10a) of the vertical injection molding machine (10) to a position separated from the machine center position (10a). A holding device (20) that can be moved is provided, and the holding device (20) moves up and down integrally with the screw driving device (14) and moves to the screw driving device (14). A plasticizing unit detachment guide mechanism for a vertical injection molding machine, wherein the detachable guide mechanism is attached to the vertical injection molding machine.   The upper end (22a) of the connecting rod (22) movably inserted through the insertion hole (16b) formed in the mounting plate (16) is the screw driving device (14), and the lower end (22b) is the holding device (20 The plasticizing unit detachment guide mechanism of the vertical injection molding machine according to claim 1, wherein the detachable connection mechanism is detachably connected to each other.   The holding device (20) is slid in a state where both ends of the upper end portion (18a) of the plasticizing unit (18) are locked, and is separated from the machine center position (10a) of the vertical injection molding machine (10). The plasticizing unit detachment guide mechanism for a vertical injection molding machine according to claim 1 or 2, wherein the plasticizing unit (18) is a pair of rails capable of moving between the two. The plasticizing unit (18) is attached to the screw driving device (14) by first moving the screw driving device (14) downward to lower the holding device (20) integrally with the screw driving device (14). Is separated from the mounting plate (16),
Next, the plasticizing unit (18) suspended by a crane or the like is held in a suspended state at a position separated from the vertical injection molding machine (10) of the holding device (20),
Next, the plasticizing unit (18) is slid horizontally to the machine center position (10a), and then the holding device (20) is raised integrally with the screw driving device (14) by moving upward, thereby plasticizing. The upper end (18a) of the assembly unit (18) is brought into contact with the lower end (16a) of the mounting plate (16);
Next, after the upper end portion (18a) of the plasticizing unit (18) is attached to the lower end portion (16a) of the attachment plate (16), the screw drive device (14) is moved downward by the screw drive device (14). This is done by inserting and fastening the screw rear end (18b) to the drive shaft (14a),
Removal of the plasticizing unit (18) from the screw drive device (14) is performed by releasing the fastening between the screw rear end (18b) and the drive shaft (14a) of the screw drive device (14). 14) is raised, the plasticizing unit (18) is held by the holding device (20), the plasticizing unit (18) is removed from the mounting plate (16), and the screw drive device (14) is moved downward. Thus, the holding device (20) is lowered integrally with this to separate the holding device (20) from the mounting plate (16), and the plasticizing unit (18) is a vertical injection molding machine (10) of the holding device (20). machine center position of any one of claims 1 to 3, characterized in that is carried out by up to a position spaced from (10a) lifted by a crane or the like after being horizontally sliding plasticizing unit desorption Guide Plasticizing unit desorption guide method of the vertical injection molding machine having the structure.

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