JP2955002B2 - Tablet feeder for resin molding machine - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a tablet supply device for a resin molding machine.

(Related Art) In a resin molding machine by transfer molding, a tablet is supplied to a mold for each molding operation to perform molding. The method of supplying tablets to the mold pot includes, for example, a method of supplying tablets one by one to the mold pot by hand, and a method of supplying tablets to the pot at once by holding the same number of tablets as the pot. and so on.

In any case, in order to transfer the tablet to the mold side, it is necessary to align the tablet and then transfer,
Normally, the tablets are moved to a predetermined position by a hand or the like while the tablets are aligned and forwarded by a linear feeder or the like.

In general, the tablet feeding device includes a hopper for storing tablets for supply, a ball feeder for aligning tablets coming out of the hopper and sending the tablets to a linear feeder, and a pickup unit for picking up tablets sent from the ball feeder. And a linear feeder for transferring the same to

(Problems to be Solved by the Invention) By the way, in recent resin molding machines, there are provided ones which can be set by replacing a mold or the like into a unit type according to a product so that a variety of products can be easily manufactured. .

The tablet supply device is also configured so as to be adjustable so that tablets of different sizes can be put on it, and the tablet supply device has been widely used. When molding a different product, it is necessary to remove the previously used tablet first, but there is a problem that removing the tablet housed in the linear feeder at the time of this replacement is troublesome. Was.

In other words, since the tablets are stored in a row in the linear feeder, when removing the tablet from the linear feeder, the pick-up section squeezes out one tablet at a time, then slides out the linear feeder Tablets must be removed one after the other to remove all tablets.

Since tablet replacement must be performed each time a product is changed, tablet replacement is complicated when manufacturing a wide variety of products, and tablet replacement is required when molding work is temporarily suspended. However, there is a problem that it takes time and effort to extract and store the data.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide a tablet of a resin molding machine capable of easily exchanging tablets and efficiently switching products. It is intended to provide a supply device.

(Means for Solving the Problems) The present invention has the following configuration to achieve the above object.

That is, a tablet feeder for sequentially feeding tablets arranged in a hopper one by one from a feeder and sequentially feeding the tablets, and a pickup for transferring the tablets sent from the feeder to a die or a transfer block for transferring the tablets to the die. And a stage for holding the tablet sent out toward the pickup unit is movably provided on the base, and a shooter for discharging the tablet is provided on the base at a position below the tip of the feeder. It is characterized by.

(Operation) The stage is set on the feeder side when picking up the tablet sent out from the feeder, and when ejecting the previously used tablet from the feeder to replace the tablet, move the stage away from the feeder. The tablet is moved to make an empty space below the tip of the feeder, and the tablet is dropped from the feeder to the shooter and discharged.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an explanatory view showing a schematic configuration of an embodiment of a tablet supply device for a resin molding machine according to the present invention.

In the figure, reference numeral 10 denotes a tablet sending section, and reference numeral 20 denotes a tablet pickup section.

The feed unit 10 includes a linear feeder 12 and a linear feeder.
It has a ball feeder installed at the front of the unit 12 and a hopper for supplying tablets to the ball feeder. In the figure, the ball feeder and the hopper are omitted.

The linear feeder 12 inserts and transports the tablet in the feed direction with the longitudinal direction of the tablet. The linear feeder 12 is formed in a cylindrical shape having an inside diameter in which the tablet can be inserted, and is installed so as to be inclined such that the transfer destination side is low as shown in the figure. Linear feeder 12
Extends to a position above the pickup section 20.

The pickup section 20 has a stage 22 for receiving and holding the tablet sent from the linear feeder 12, a base 24 for supporting the stage 22, and a shooter 26 fixed to the base 24.

The base 24 is fixed to the frame, and thus the shooter 26 is also fixed to the frame. The stage 22 has a tablet receiving position in which the tablet holding portion is located below the tip of the linear feeder 12, and the linear feeder 12 The supporting portion of the tablet is slidably supported by the base 24 between the leading end of the tablet and a discharge position of the tablet where the holding portion of the tablet is separated.

On the upper surface of the stage 22, a guide member 27 for guiding the tablet sent from the linear feeder 12 is provided. The guide member 27 forms a storage recess 28 for storing and holding the tablet in the middle, and is installed facing each other. At an end of the guide member 27 on the linear feeder 12 side, a tablet press 29 also serving as a guide for a tablet fed from the linear feeder 12 is provided. Tablet press
Numeral 29 is for supporting the subsequent tablet so as not to be lifted when picking up the leading tablet of the storage recess 28.

A stopper 30 is provided on a side surface of the storage recess 28 on the destination side, with which the front end surface of the tablet fed into the storage recess 28 comes into contact. 32 is the stopper 30 according to the size of the tablet
Is an adjustment knob for adjusting the position of the tablet in the front-rear direction by moving in the front-rear direction.

FIG. 2 shows a front view of the tablet supply device. A stage driving cylinder 34 is installed on the base 24 supported by the machine frame, and the stage 22 is fixed to both ends of a driving rod 36 of the stage driving cylinder 34. The stage driving cylinder 34 is installed on the base 24 in the front-back direction, and moves the stage 22 back and forth by air drive.

As shown in FIG. 3, which is a side view of the tablet supply device, a pair of stage driving cylinders 34 are provided on both sides of the stage 22 in parallel. Reference numeral 35 denotes a slide guide for guiding the moving direction of the stage 22.

FIG. 2 shows that when stage 22 accepts a tablet,
That is, in the pickup state, the stage 22 is shifted toward the linear feeder 12 side.

The tablet press 29 and the stopper 30 are arranged on the stage 22 as shown in the figure. A roller 31 is pivotally supported at the front end of the stopper 30, and the end face of the fed tablet abuts on the roller 31 and is positioned.

The shooter 26 is a base 24 below the tip of the linear feeder 12.
, And opens to the near side in FIG. FIG. 3 shows a side view of the tablet supply device. Shooter as shown
26 is fixed to the base 24 by inclining the bottom plate. The base surface at the mounting position of the shooter 26 is opened so that the tablet discharged from the linear feeder 12 falls on the shooter 26.

FIG. 4 is a plan view of the tablet supply device. Numeral 38 is a pin standing on the guide member 27 at intervals of the tablet width. This is for guiding when picking up the tablet.

Next, the operation of the tablet supply device of the above embodiment will be described.

When picking up and transferring a tablet, the second
As shown in the figure, the tablet 40 is sent out from the linear feeder 12 to the stage 22 and is supported by the tablet holder 29, and the end surface of the leading tablet 40 comes into contact with the stopper 30 and is positioned. Is done. When the first tablet is picked up, the next tablet is sent out, and is similarly positioned by the stopper 30, and the next pickup operation is performed. Since the tablet comes into contact with the roller 31, the tablet can be easily picked up without being rubbed by the stopper at the time of picking up.

When a series of pickup operations is completed and a different type of tablet is replaced, or when the pickup operation is stopped and the tablet is taken out, the tablet is taken out from the hopper, the ball feeder, and the linear feeder 12.

When removing the tablet from the linear feeder 12,
The stage drive cylinder 34 is driven to move the stage 22 away from the linear feeder 12, and the linear feeder 12 is operated to discharge the tablet 40 from the inside of the linear feeder 12. The tablet 40 discharged from the linear feeder 12 falls on the chute 26 as it is, and the tablet is discharged to the near side in FIG.

That is, the stage 22 is moved from the pickup position, and the tablet is dropped and discharged to the shooter 26.

Note that the tablet stored in the ball feeder can be discharged from the chute 26 via the linear feeder 12 by operating the ball feeder simultaneously with the linear feeder 12.

As described above, according to the present apparatus, the tablet can be taken out at a time by moving the stage, so that there is no need to perform the complicated work of taking out the tablets one by one as in the conventional case, thereby greatly improving the workability. be able to.

In the above embodiment, the stage is moved in the same direction as the tablet feeding direction. However, the moving direction of the stage, the installation position of the shooter, and the like can be appropriately changed according to the design of the molding machine. The point is to move the stage from the discharge position of the linear feeder to discharge the tablets collectively.

Further, the method of picking up the tablet is not particularly limited. That is, a type in which the tablet is once transferred to the transfer block and transferred to the mold side, a type in which the tablet is directly transferred to the mold, and a type in which the pickup method is transferred to one transfer block, and two types. The present invention can be applied to various types such as those to be transferred to a mounting block.

As described above, the present invention has been described variously with reference to preferred embodiments. However, the present invention is not limited to the embodiments, and it is needless to say that many modifications can be made without departing from the spirit of the invention. That is.

(Effects of the Invention) According to the present invention, the above-described configuration makes it possible to extremely easily perform the work of exchanging tablets with the tablet supply device of the resin molding machine, thereby shortening the work time. And workability can be improved. As a result, the resin molding machine can be suitably used for the production of various kinds of products, and a remarkable effect such as easy handling of the resin molding machine can be achieved.

[Brief description of the drawings]

FIG. 1 is an explanatory view of an embodiment of a tablet supply device for a resin molding machine according to the present invention, FIG. 2 is a front view, FIG. 3 is a side view, and FIG. 4 is a plan view. 10 ... Sending unit, 12 ... Linear feeder, 20 ... Pickup unit, 22 ... Stage, 24 ... Base, 26 ... Shooter, 29 ... Tablet holder, 30 ... Stopper, 34
…… Stage drive cylinder, 40 …… Tablet.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B29C 45/00-45/24 B29C 31/08

Claims (1)

(57) [Claims] A tablet feeder for sequentially feeding tablets arranged in a hopper one by one from a feeder, and a die or a transfer block for transferring the tablets fed from the feeder to a die. A tablet supply device having a pickup unit to be transferred, a stage for holding a tablet sent out toward the pickup unit is movably provided on a base, and a shooter for discharging a tablet is provided on the base at a position below a tip of the feeder. A tablet supply device for a resin molding machine, comprising: