JPS63129022A - Glass product molding machine - Google Patents

Abstract

PURPOSE:To improve the working rate of a molding machine and to improve the productivity thereof by constituting the machine in such a manner that plural discrete molding units are freely mounted detachably to both upper and lower turn tables of the molding machine body regardless of the adjacent discrete molding units. CONSTITUTION:The plural discrete molding units are constituted by mounting rough molds 31 for receiving the lumps of the seeds of fused glass, press devices for molding products in process by pressing the lumps in the molds 31 by press heads 27 lowered from above the molds 31, neck ring devices for rotating the products in process, finishing molds 37, 37, bottom molds, compressed air blowers 76 and valve blocks having actuator valves for actuating cylinders 42 to actuate the respective devices mentioned above to a main frames 20, respectively. Connection ports for introducing working fluid mating with working fluid supply ports of the upper turntable 12 are formed to the surfaces of the respective units 13 for mounting said units to the upper turn table 12. The main frames 20 of the plural units 13 are freely mounted detachably at specified intervals to the upper part of the molding machine body and the outside circumferential part of the upper and lower turn tables 12, 5 regardless of the adjacent units 13.

Description

Detailed Description of the Invention [Object of the Invention] (Industrial Application Field) The present invention relates to press and blow-type glass product forming machines, and particularly relates to a rotary table that rotates around a central vertical axis, and The present invention relates to a glass product forming machine having a plurality of individual forming units mounted on a glass product forming machine.

(Prior art) Generally, this type of glass product forming machine is
As described in Japanese Patent No. 71827, a plurality of molding units are mounted in the circumferential direction of a rotary table that rotates around a central vertical axis, and as the rotary table rotates, the molding units are sequentially attached to the molding units. A gob of molten glass is fed, an intermediate product is formed using a press device, and the neck ring is held by a neck ring device while compressed air is blown into the finish mold, bottom mold, and air blow head to form the product. In the final step, the finishing mold and bottom mold are opened, and the product is taken out of the machine using a take-out device.

(Problems to be Solved by the Invention) However, in the above-mentioned glass product molding machines, the number of individual molding units attached to one molding machine is fixed at 18 units, 12 units, or 6 units, etc. In addition, the size and dimensions of the individual molding units were also constant and unique to the molding machine. Therefore, the size of the glass products that can be formed with the forming machine is increased (diameter and height).
The molding machine is limited by the size of the individual molding units attached to the molding machine, and since the number N of the individual molding units is constant, the molding capacity is also limited.

In other words, in order to continuously supply gobs at fixed time intervals to the individual molding units rotating at a constant speed and molding them, each individual molding unit must be attached to the molding machine body at equal intervals. is necessary. On the other hand, the time T required for molding and cooling is determined by the shape, dimensions, material, and wall thickness of the glass product to be molded. However, this time T corresponds to the time between when the gob is supplied to the individual molding unit in the gob supply device and when it is roughly rotated to the take-out position, and within this time, the gob is press-molded, blow-molded and Even cooling is performed.

Therefore, the molding capacity of a molding machine is approximately proportional to 1/T once the product to be molded is determined, and is also proportional to the number N of individual molding units attached to the molding machine.

Once the product is determined, T is constant and N is constant, so the molding capacity is approximately constant.

Furthermore, the work of removing the individual molding unit and the work of attaching other individual molding units is not easy, requires much time and effort, and moreover, the operation of the molding machine must be stopped during this time.

For this reason, the size of glass products that can be molded with one molding machine is limited by the size of the individual molding unit attached to that molding machine, and larger glass products cannot be molded using other molding machines. A molding machine with even larger specifications is required. Furthermore, as described above, the molding capacity is limited by the number N of individual molding units, so there are problems such as low flexibility in the molding capacity.

Further, in the conventional molding machine, it is not easy to replace the individual molding units and make adjustments accordingly, and maintenance and adjustment requires time and effort, and the operating rate of the molding machine is low.

In view of these points, the present invention not only makes it easy to maintain the individual molding units, but also allows them to be easily attached to and detached from the molding machine body, minimizing the time required for attachment and detachment, thereby increasing the operating rate of the molding machine. The purpose of the present invention is to provide a glass product molding machine that improves productivity by changing the number of individual molding units that can be attached to one molding machine body, and that allows individual units of different sizes to be attached. .

[Structure of the invention]

(Means for Solving the Problems) The present invention has a rough mold that receives a lump of molten glass, and a press head that descends from above the rough mold and presses the lump in the rough mold to form an intermediate product. A press device for rotating the intermediate product, a neck ring device for rotating the intermediate product, a finishing die and a bottom die, a compressed air blowing device, and a valve block having operating valves for operating the operating cylinders of each of the above devices are attached to the main frame. By doing so, a plurality of individual molding units are formed, and a working fluid introduction connection port that matches the working fluid supply port of the upper rotary table is formed on the mounting surface of each individual molding unit to the upper rotary table, and the above-mentioned plurality of The main frame of the individual molding unit is detachably attached to the outer periphery of the upper and lower rotary tables of the molding machine main body at regular intervals, regardless of the adjacent individual molding units.

(Function) As the two and lower rotary tables in the molding machine body rotate, the individual molding units rotate around the central vertical axis, and during this time, gobs are supplied to the rough mold, pressure is applied, blow molding, etc. are performed in sequence. It will be done. On the other hand, since each individual molding unit mentioned above can be attached to and removed from both the upper and lower rotary tables independently of the adjacent individual molding units, one or all of the individual molding units can be easily replaced with a spare machine, etc. , making maintenance work easier. In addition, by forming multiple sets of individual molding units, making the number of individual molding units in each set and the size range of moldable products different from other sets, and using the sets as appropriate, one The quantity and size range of products that can be produced with a single molding machine can be broadly controlled.

(Example) FIG. 1 is a longitudinal cross-sectional view of a glass product forming machine according to the present invention. A cam drum 4 is arranged and fixed to the upper part via a cylindrical intermediate stand 3 concentrically with the lower stand 2.

At the outer periphery of the lower stand 2, there is a
A lower rotary table 5 is arranged concentrically with. The lower rotary table 5 is supported via a bearing 7 on a lower frame 6 fixed on the base 1, and a gear part 8 provided on the outside of the lower part of the lower rotary table 5 is not shown. The lower rotary table 5 is meshed with the drive gear, and the rotation of the drive gear causes the lower rotary table 5 to rotate around the lower stand 2 via the gear portion 8.

Further, above the cam drum 4, the cam drum 4 is
An upper rotary table 12 is rotatably mounted on a central vertical shaft 10 protruding from the center via a bearing 11.

On the other hand, the lower rotary table 5 and the upper rotary table 12
A predetermined number of individual molding units 13 are arranged at predetermined intervals in the circumferential direction of the rotary table, and the lower and upper parts of the individual molding units 13 are connected to the lower rotary table 5 and the upper rotary table, respectively. 12 so that each individual molding unit 13 can rotate together with the upper and lower rotary tables 5.12 about the axis of the central vertical shaft 1o.

Further, a gob delivery device 14 is disposed at a predetermined position outside the molding machine body consisting of the individual molding unit 13, etc., and delivers gobs to the rough edges of the individual molding unit 13 at regular intervals in synchronization with the rotational speed of the molding machine. Feeding into the mold.

While the individual molding unit receiving the gob rotates in a predetermined direction together with the -L section and the lower rotary table 12.5, an intermediate product is pressed by a press device, and a neck ring is formed by a neck ring device. While holding the mold, compressed air is blown into the mold and bottom mold through an air blow head. In the final step, the finishing mold and the bottom mold are opened, and the product is taken out of the machine by a take-out device installed on the outside of the molding machine main body.

By the way, the lower rotary table 5 of the molding machine main body and the two-part rotary table 12 refer to the protrusion 12a (FIG. 2) formed on the surface of the upper rotary table 12 and a part of the inner periphery of the upper rotary table 5. are fitted together and fixed concentrically during processing, and in this state the rotary table 5 is re-rotated.
, 12 are simultaneously processed into polygonal surfaces 5b, 12b (octagonal in this embodiment), and positioning keys 15, 16 of the individual molding units are simultaneously processed on each polygonal surface. In addition, the above-mentioned 18-sided index is processed by a high-precision NC machine, and when assembling the re-rotation table 5°12, the axes of the re-rotation table are perfectly aligned and a high degree of horizontality is maintained. The polygonal surfaces of both the upper and lower rotary tables are completely parallel.

2 and 3 are an enlarged side view and a front view of the individual molding unit 13, in which the lower part of the main frame 20 of the individual molding unit has a positioning key 15 on a predetermined polygonal surface 5b of the lower rotary table 5. It is fixed through. On the other hand, an upper rotary table 1 is provided on the upper part of the main frame 20.
A valve block 21 is attached to the opposite surface of the valve block 2,
The upper part of the valve block 21 is fixed in a predetermined position to a predetermined polygonal surface 12b of the upper rotary table 5 via a positioning key 16.

The valve block 21 is provided with operating valves (not shown) that are operated by contacting a plurality of fixed cams 22 mounted on the outer periphery of the cam drum 4. This is to switch the working fluid. Further, when the valve block 21 is mounted on the upper rotary table 12, the valve block 21 is provided with a valve that corresponds to each working fluid supply port 23 provided on the valve block mounting surface of the upper rotary table 12. A plurality of working fluid introduction connection ports 24 are provided, and fluid leakage is prevented by an O-ring or the like at the connection portion, and each of the working fluid introduction connection ports 24 is connected to the above-mentioned operating valve. There is.

On the other hand, a piston rod 25 is fixedly installed in the upper half of the main frame 20 on the side opposite to the valve block 21 and extends vertically. A press cylinder 26 capable of
A press head 27 extending in the direction is attached to the outside of the press head 6 .

Further, another piston rod 28 parallel to the piston rod 25 is fixed to the lower half of the main frame 20, and the piston rod 28 is movable up and down along the piston rod 28. A rotatable rough mold cylinder 29 is attached, and a rough mold 31 is removably attached to an arm 30 projecting laterally from the rough mold cylinder 29.

On the other hand, the main frame 2 is attached to the side surface of the rough cylinder 29.
A cam groove 33 that engages with a cam roller 32 protruding from 0
is provided, so that as the rough cylinder 29 moves up and down, the cam roller 32 and the cam groove 33 engage with each other so that the rough cylinder 29 can rotate approximately 90'' around its axis. When the rough mold cylinder 29 reaches the highest position, the axis of the rough mold 31 is aligned with the axis of the press head 27.

Further, a bracket 36 for attaching finishing molds, etc. is fixed to the intermediate part side of the main frame 20, and at the top of the tip of the bracket 36, one of the left and right finishing mold holders 37 and 37, each having a semicircular cross section, is fixed. The sides are pivotally connected, and the left and right finishing mold holders 37° 37 meet to form a finishing mold, in which case the center line of the finishing mold coincides with the axis of the rad 27 to the press. (Figures 4 and 5).

One end of a finishing die holder opening/closing link 38.38 is pivotally attached to the vicinity of the pivoting part of the reappointment upper die holder 37.37, and the other end of the finishing die holder opening/closing link 38.38 is The lever 40 is pivotally connected to the tip of a lever 40 whose base end is fixed to a shaft 39 attached to a bracket 36 . The above shaft 39
The base end of a lever 41 is also fixed to the lower end of the
The tip of the lever 41 is connected to the tip of a piston rod 43 of an operating cylinder 42 whose base end is connected to the main frame 20. On the other hand, the segment gear 4 is attached to the shaft 39.
A segment gear 44 is meshed with a bevel gear 46 fixed to a horizontal shaft 45, and a base of a bottom mold holder 47 is attached to the tip of the horizontal shaft 45 to seal the bottom of the concave mold. is installed (see Figure 3).

The main frame 20 also includes a neck ring device support frame 51 that supports the lower end of the piston rod 25 of the press cylinder 26 and the upper end of the piston rod 28 of the rough cylinder 29, and also supports the neck ring device 50. It is attached (Figure 6).

The neck ring device support frame 51 is formed with an opening 52 that is concentric with the press head 27.
A cylindrical plunger guide 53 is disposed within the opening 52 (FIG. 8).

The plunger guide 53 is attached to the neck ring gear 54 at a portion not shown, and is configured to guide the press plunger that descends from the side during pressing. Furthermore, a concentric recess 53a is provided in the lower part of the plunger guide 53 for gripping the moil portion of the glass product. At the lower part of the plunger guide 53, a claw 55 divided into four parts on the circumference is disposed for gripping the moil portion together with the recess 53a from the gob pressing process to the blow forming with the finishing die. Ori,
This winter melon 55 is attached to a neck ring holder 57 which is pivotally connected to the neck ring gear 54 by a pin 56,
A spring 58 provided on the outer periphery of the neck ring holder 57 urges each other toward the center.

Further, a neck ring presser 59 is disposed above the neck ring holder 57, and when the neck ring presser 59 is lowered, the inclined surface 59a of the neck ring presser 59 engages with the upper part of the neck ring holder 57, thereby releasing the spring 58. The lower part of the neck ring holder 57 moves outward against this, opening the claws 55 and releasing the moil portion of the glass product from the gripping state.

By the way, the neck ring gear 54 is connected to the neck ring device support frame 51 via a ball bearing 60.
is rotatably attached to the neck ring gear 5.
4 is meshed with a drive pinion 61 (FIG. 6).

The pinion 61 is operatively connected to a chain wheel 64 via a shaft 62 and a clutch 63, and the chain wheel 64 is rotated by a bevel gear 65. The bevel gear 65 is meshed with a large bevel gear 66 provided on the molding machine body, and the individual molding unit 1 is rotated as the vertical rotary table rotates.
It is rotationally driven by the rotation of 3.

On the other hand, a bracket 67 is fixed to the back surface of the main frame 20, and a cam follower 68 is attached to one end of the bracket 67 and comes into contact with a cam attached to the cam drum 4.
The central part of a lever 69 having a
The other end of the clutch is connected to the clutch switching lever 71 via the link 70.
is connected to.

Further, the neck ring presser 59 is connected to a neck ring presser holding lever 73 that is swingable about a pin 72, and the neck ring presser holding lever 73 is
It is connected to a lever 75 having a cam follower 74 at one end that abuts a cam mounted on the cam drum 4.

On the other hand, a blow head 76 for blowing compressed air into an intermediate product is attached to the main frame 20 so as to be swingable about a vertical axis. The base end of the blow head 76 is connected to one end of a swing lever 78 via a link 77, and a cam follower 79 is provided at the other end of the swing lever 78.
is in contact with a cam attached to the cam drum 4 (not shown).

By the way, as mentioned above, the blow head 76 is swung around the vertical axis via the swiveling lever 78 and the like, and is moved from the upper outer position of the finishing mold to a position that coincides with the center position of the finishing mold, where it is moved. It is moved downward by a device not shown to seal the upper opening of the finishing mold.

When one individual molding unit 13 rotates together with the upper and lower rotary tables 5 and 12 to a position corresponding to the gob delivery device 14, the individual molding unit 1
A predetermined amount of gobs are supplied to the rough mold 31 of No. 3. When the gob is fed and the individual molding unit 13 reaches a position where it has rotated a predetermined amount, the operating valve of the valve block 21 is actuated by a predetermined fixed cam 22 of the cam drum 4, and the rough mold cylinder 29 is moved upward. I am forced to do it. Therefore, due to the engagement between the cam groove 33 provided on the side surface of the rough cylinder 29 and the cam roller 32 provided protruding from the main frame 20, the rough cylinder 29 is moved approximately 90 inches around the axis.
It is rotated once, aligned with the axis of the press rod 27, and located directly below the plunger guide 53 of the neck ring device.

Then, another operating valve of the valve block 21 is operated by another fixed cam 22, the press cylinder 26 is driven, the press head 27 is lowered, and the gob in the rough mold 31 is formed under pressure.

When the pressure forming is completed in this way, the intermediate product neck ring formed by the pressure forming is held between the recess 53a of the plunger guide 53 and the claw 55,
The intermediate product is held (FIG. 8).

Therefore, when the individual molding unit 13 further rotates, the press cylinder 26 is moved upward, and then the rough mold 31 is moved downward via the rough mold cylinder 29 in preparation for supplying the next gob. The actuation cylinder 42 is actuated, and the left and right upper mold holders 37 are moved through the links 38 and the like.
．． 37 is moved from the position indicated by the two-dot chain line in FIG. 4 to the position indicated by the solid line, and a finishing mold is formed by both of them and surrounds the intermediate product. At the same time, segment gear 4
4, etc., the bottom mold holder 47 is rotated around the horizontal shaft 45, and the bottom of the finishing mold is sealed.

When the intermediate product is held in the finishing die in this way, the clutch switching lever 71 is actuated via the lever 69 etc., the clutch 63 is actuated, and the large bevel gear 6
6. The neck ring gear 54 is rotated via the bevel gear 65, pinion 61, etc., and the intermediate product is rotated.

On the other hand, the blow head 76 is moved above the neck ring device via the cam follower 79, the swing lever 78, etc., and is also moved downward, and is brought into pressure contact with the upper surface of the plunger guide 53. Then, compressed air is blown into the intermediate product, and the finished product is finished by the finishing die.

When finishing of the product is completed in this manner, the blow head 76 is operated in the opposite manner to the above to return to the initial position.

In this way, when the individual molding unit 13 is rotated to a predetermined position, the finishing mold and the bottom mold are opened, contrary to the above, and the neck ring presser 5 is
9 is lowered. Then, the inclined surface 59a of the neck ring presser 59 and the upper part of the neck ring holder 57 are engaged, and the lower part of the neck ring holder 57 moves outward against the spring 58, and the claw 55 is opened. The grip on the glass product is released, and the product is taken out of the machine by a take-out device disposed on the outside of the molding machine main body.

When the product removal is completed in this manner, the individual molding unit 13 is moved to the gob supply position again. Similarly, the above operations are sequentially performed in each individual molding unit to mold a glass product.

On the other hand, although not shown, the individual molding units are trial run adjusted on an independent external adjustment stand separate from the molding machine main body. The above external adjustment table consists of a frame housing the individual molding units, a pen cylinder for pushing or latching the valves of the valve block, an electromagnetic field and air supply device, and a drive and time adjustment for the pen cylinder for each individual molding machine cylinder. It consists of a sequencer, control device, etc. for carrying out the operation, and the operation cycle and timing can be selected at will. However, on this external adjustment table,
Each individual molding unit is commissioned and the operating time cycles and timing of each piece of equipment are adjusted. In this way, by preparing Y's of adjusted individual molding units, replacement and maintenance adjustment of the individual molding units can be performed easily and in a short time.

Further, for example, the first set has 18 individual molding units and the dimensional range of moldable products is small, and the first set has 9 individual molding units and the dimensional range of moldable products is small. By preparing a second set, etc. that is larger than the molding machine, and replacing both sets as necessary, the quantity of products that can be produced with one molding machine and the range of product dimensions can be adjusted over a wide range. I can do it.

〔Effect of the invention〕

Since the present invention is configured as described above, each device in the individual molding unit operates within the individual molding unit, and can be attached and removed independently of the adjacent individual molding unit. , easy to remove and replace;
Maintenance and inspection can be carried out extremely easily. Also,
Since the cylinders of the eight devices are operated by the operating valves provided in the valve block, the operating valves mentioned above are operated by being directly pushed by the cams provided on the cam drum of the molding machine body. By attaching the individual molding unit, the cam and cam block can be automatically engaged, and there is no need for adjustment between them. From this point of view, it is also possible to replace the individual molding unit. This makes adjustment work easier. In this way, effects such as being able to increase the operating rate of the molding machine to improve productivity and product yield are achieved.

[Brief explanation of the drawing]

FIG. 1 is a vertical sectional view showing the schematic configuration of the glass product forming machine of the present invention, FIG. 2 is a side view of the individual molding unit, and FIG.
The figure is a front view of the same as above, Fig. 4 is a ten-sided view of the finishing mold part, Fig. 5 is a longitudinal sectional side view of the above, Fig. 6 is a plan view of the neck ring device part, Fig. 7 is a side view of the same as above, and Fig. 8 9 is a partial vertical sectional view of the neck ring portion, and FIG. 9 is a plan view of the air blowing device portion. DESCRIPTION OF SYMBOLS 1...Base, 2...Lower stand, 4...Cam drum, 5...Lower rotary table, 10...Central vertical shaft, 12...Upper rotary table, 13...Individual molding unit , 14... gob delivery device, 20...
Main frame, 21... Valve block, 22... Fixed cam, 26... Press cylinder, 27... Press head, 29... Rough mold cylinder, 31... Rough mold, 3
3...Cam groove, 37...Good shape holder, 42...
- Operating cylinder, 47... Bottom type holder, 50...
Neck ring device, 53...Plunger guide, 54
...Neck ring gear, 76...Blow head. Applicant's agent Mr. Sato Figure 3 Figure 5 Figure 9

Claims (1)

[Scope of Claims] 1. A rough mold that receives a lump of molten glass seeds, a press device that descends from above the rough mold and presses the lump in the rough mold with a press head to form an intermediate product; A neck ring device for rotating the product, a finishing mold and a bottom mold, a compressed air blowing device, and a valve block having an operating valve for operating the operating cylinder of each of the above devices are attached to the main frame, respectively. In addition to configuring the molding unit, a working fluid introduction connection port that matches the working fluid supply port of the upper rotary table is formed on the mounting surface of each individual molding unit to the upper rotary table, and A glass product molding machine characterized in that a frame is detachably attached to the upper and lower rotary tables of a molding machine body at regular intervals, regardless of adjacent individual molding units. 2. The individual molding units are a set of multiple types of products that can be molded in different size ranges, and the set of individual molding units installed in the molding machine body can be replaced with other sets. A glass product forming machine according to claim 1. 3. The glass product according to claim 1, wherein the individual molding units are positioned by a molding unit mounting surface and a positioning key provided on the vertical rotary table of the molding machine main body. Molding machine. 4. The glass product according to claim 1, wherein the connection between the two is made by matching the working fluid introduction connection port of the individual molding unit with the working fluid supply port of the upper rotary table. Molding machine. 5. Each operating valve in the valve block engages with a plurality of fixed cams provided on a cam drum of the molding machine main body, and the opening and closing operations of each operating valve are performed by these cams. Glass product forming machine according to scope 1. 6. Claim 1, characterized in that an operation valve such as an operation valve for independent operation or a speed adjustment valve is provided in the middle of the piping leading from the valve block to the operation cylinder of each device. Glass product forming machine as described.