JP2018024175A - Finish treatment machine for synthetic resin-made bottle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable simply achieving change of treatments or addition of treatment stations while enhancing efficiency of an installation space in a finish treatment machine for conducting a finish treatment after molding a synthetic resin-made bottle.SOLUTION: There is provided a finish treatment machine 1 for conducting a finish treatment on a bottle after blow molding, having a bottle transport mechanism 10 for holding a bottle W with a port part at low and intermittently linear transporting the same per set interval, a plurality of treatment units 21-24 arranged corresponding to a bottle stop position of the bottle transport mechanism 10 and for conducting different finish treatments on the bottle W held by the bottle transport mechanism 10 at each stop position, and supporting frame 20 for supporting the bottle transport mechanism 10 and aligning and supporting the plurality treatment units 21-24 linearly.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a finishing machine for synthetic resin bottles.

  Synthetic resin bottles manufactured by blow molding are finished products such as deburring, cutting of excess head (rough cut), reaming, chip blowing, etc., after the mold release to obtain product bottles. ing. As an apparatus for performing such a finishing process, in the process of transferring bottles in an aligned state by a conveyor, an apparatus that grips the bottles and deburrs the bottom and cuts the excess head (see Patent Document 1 below), An apparatus for finishing the inner peripheral surface of a bottle mouth using a rotary cutting blade (see Patent Document 2 below) is known.

Japanese Patent Publication No.57-50172 JP 2002-12209 A

  As described above, a finishing process for a bottle after blow molding generally requires a plurality of different processes. When all such finishing processes are performed automatically, each processing station (processing unit) is arranged at a stop position of the intermittent bottle transporting apparatus. In the conventional finishing process, the bottle transporting apparatus is used. As an example, an intermittent rotary turret conveyance device is used.

  The finishing process after blow molding may require different processes depending on the product specifications of the bottle, and in that case, it may be necessary to increase the number of processing stations. And, in the conventional technology that employs intermittent rotary turret conveyance as the bottle conveyance device, the number of bottle holders provided in the turret is determined, so in order to increase the number of processing stations, turrets are used. There is a problem that it is difficult to cope with a wide variety of bottles, because the design of the entire finishing machine including it must be changed. In addition, it is possible to set the number of bottle holders in the turret according to the upper limit value of the number of processing stations. In this case, the number of bottle holders in the turret is provided in consideration of the interval between the processing stations. Therefore, there is a problem that the installation occupation area of the finishing machine including the turret becomes large.

  This invention makes it a subject to cope with such a situation. That is, in the finishing machine that performs the finishing process after the molding of the synthetic resin bottle, it is possible to easily change the process and increase the number of processing stations and to make the installation space more efficient. These are the problems of the present invention.

In order to solve such problems, a synthetic resin bottle finishing machine according to the present invention has the following configuration.
A finishing machine that performs a finishing process on a bottle after blow molding, a bottle transfer mechanism that grips a bottle with its mouth down and moves it intermittently at set intervals, and a bottle stop position of the bottle transfer mechanism Correspondingly arranged, a plurality of processing units for performing different finishing processes on the bottles gripped by the bottle transfer mechanism at each stop position, and supporting the bottle transfer mechanism, and arranging the plurality of processing units linearly A synthetic resin bottle finishing machine comprising a supporting frame for supporting.

  According to the synthetic resin bottle finishing machine with such features, it is possible to handle various finishing processes for other types of bottles by changing or adding linearly arranged processing units as appropriate. Space saving of the installation occupation area becomes possible by the linear arrangement of the units.

It is explanatory drawing which showed the whole structure of the finishing processor which concerns on embodiment of this invention. It is explanatory drawing which showed the operation example of the bottle transfer mechanism in embodiment of this invention. ((A)-(c) is the carrying-in operation | movement of a 1st bottle, (d)-(f) is the 2nd bottle. Shows the loading operation.) It is explanatory drawing which showed the operation example of the bottle transfer mechanism in embodiment of this invention ((a)-(c) has shown the operation | movement which repeats carrying out and carrying in of a bottle). It is explanatory drawing which showed the specific example of the several processing unit in the finishing processor which concerns on embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same reference numerals in different drawings indicate parts having the same function, and repeated description in each drawing will be omitted as appropriate.

  A finishing machine 1 according to an embodiment of the present invention is a processing machine that performs a blow-molded finishing process on a blow-molded synthetic resin bottle (hereinafter referred to as a bottle). As illustrated in FIG. 1, the finishing machine 1 includes a bottle transfer mechanism 10, a support frame 20, and a plurality of processing units 21 to 24.

  The bottle transfer mechanism 10 includes a mechanism that grips the bottle W with its mouth down and moves it intermittently at set intervals, and is supported by the support frame 20. The blow-molded bottle W is carried into the inlet portion 2 of the finishing machine 1 by various conveying means. The inlet 2 is provided with a bottle reversal supply means (such as a robot hand) 3 that reverses the bottle W carried in an upright state and supplies it to the carry-in position T0 of the bottle transfer mechanism 10.

  The bottle transport mechanism 10 is integrally opened and closed at the bottle stop position and grips the periphery of the mouth of the bottle W, and the upper grip that is integrally opened and closed at the bottle stop position and grips the body of the bottle W. Part 12 is provided. In FIG. 1, T1, T2, T3, and T4 are bottle stop positions. Moreover, the bottle transfer mechanism 10 includes a bottom pressing unit 13 that presses the bottom of the bottle W at the bottle stop positions T1 to T4.

  The bottle W supplied from the inlet portion 2 to the carry-in position T0 of the bottle transfer mechanism 10 is sequentially sent from the bottle stop position T1 to the bottle stop positions T2, T3, T4, and is held by the bottle carry-out means 4 at the carry-out position T5. To the unloading unit 5. In the illustrated example, the bottle carrying-out means 4 is a device (such as a robot hand) that reverses the bottle W with its mouth down and sends it to the carrying-out unit 5 in an upright state. The bottle transfer mechanism 10 holds the bottle W for a certain period of time at each bottle stop position T1 to T4 and transfers it to the next bottle stop position.

  The finishing machine 1 has a plurality of processing units 21, 22, 23, 24 arranged corresponding to the bottle stop positions T <b> 1 to T <b> 4 of the bottle transfer mechanism 10. The plurality of processing units 21 to 24 are linearly arranged and supported for each bottle stop position T1 to T4 by the support frame 20, and the excess head is cut (rough cut processing) with respect to the bottle W after blow molding. Each processing station is configured to perform different finishing processes such as finish cutting of the mouth (reaming process) and blowing of debris inside the bottle (chip blowing process).

  According to such a finishing machine 1, one bottle W supplied to the carry-in position T 0 of the bottle transfer mechanism 10 is first subjected to the first finishing process by the processing unit 21 at the first bottle stop position T 1. The second finishing process is performed by the processing unit 22 after being transferred to the second bottle stop position T2, and the third finishing is performed by the processing unit 23 after being transferred to the third bottle stop position T3. After the processing is performed and transferred to the fourth bottle stop position T4, the processing unit 24 performs the fourth finishing process there. And the bottle W in which the several different finishing process was performed is carried out to the carrying-out part 5 from carrying-out position T5.

  When one bottle W is transferred from the first bottle stop position T1 to the second bottle stop position T2, a new unprocessed bottle W is supplied to the first bottle stop position T1, and the bottle W A new unprocessed bottle W is supplied to the bottle transfer mechanism 10 every time it moves from one bottle stop position to the next bottle stop position. Accordingly, different processes are performed within a bottle stop time for the plurality of bottles W respectively held at different bottle stop positions T1 to T4.

  2 and 3 show an operation example of the bottle transfer mechanism 10. Although a specific mechanism is not shown here, the linear combination of the lower gripping portion 11 and the upper gripping portion 12 with a combination of a servo motor and a ball screw, a combination of a servo motor and a link mechanism, an air cylinder, or the like. Movement can be realized.

  The lower gripping portion 11 includes a plurality of gripping portions 11A that integrally open and close corresponding to the bottle stop positions T1 to T4 described above, and the upper gripping portion 12 integrally opens and closes as described above. A plurality of gripping portions 12A that reciprocate along the arrangement direction of the plurality of gripping portions 11A are provided. The gripping part 11A of the lower gripping part 11 and the gripping part 12A of the upper gripping part 12 are arranged at the same interval, and the number of gripping parts 12A is set to be one more than the number of gripping parts 11A. As a result, the upper grip 12 has a function of taking the bottle W at the carry-in position T0 into the bottle stop position T1 and a function of sending the bottle W at the bottle stop position T4 to the carry-out position T5.

  And while the lower gripping part 11 is integrally opened and closed at the bottle stop positions T1 to T4 to grip the vicinity of the mouth of the bottle, the upper gripping part 12 is at the time of processing operation of the processing units 21 to 24, Closed together with the lower gripping part 11 to grip the bottle W, when the lower gripping part 11 is opened, the bottle W is transported by a set interval and opened when the lower gripping part 11 is closed to open the set interval Just go back.

  As shown in FIG. 2A, when the first bottle W is supplied to the carry-in position T0, the upper grip 12 moves to the left side in the opened state, as shown in FIG. 2B. The first bottle W is gripped at the carry-in position T0. Thereafter, as shown in FIG. 2C, the lower grip 11 is opened, and the upper grip 12 is moved to the right side in the drawing to move the first bottle W to the bottle stop position T1. . Next, as shown in FIG. 2D, when the second bottle W is supplied to the carry-in position T0, the lower gripping part 11 is closed and the upper gripping part is gripped with the first bottle W gripped. 12 becomes open again. Then, as shown in FIG. 2 (e), the upper gripping portion 12 moves to the left in the figure in an open state, grips the second bottle W at the carry-in position T0, and at the bottle stop position T1, Hold the bottle W. At this timing, the first finishing process is performed on the first bottle W gripped by the lower gripper 11 and the upper gripper 12 at the bottle stop position T1. Thereafter, as shown in FIG. 2 (f), the lower gripping portion 11 is opened, the upper gripping portion 12 moves to the right side in the figure, and the first bottle moves to the bottle stop position T2. The second bottle is moved to the bottle stop position T1.

  Hereinafter, during normal operation, such operations are repeated, and the first to fourth finishing processes are performed on the bottles gripped by the lower gripper 11 and the upper gripper 12 at the bottle stop positions T1 to T4, respectively. Done. Then, as shown in FIG. 3A, the bottle W at the unloading position T5 after the finishing process is finished and the upper gripping portion 12 grips and moves is gripped by the bottle unloading means 4, and the bottle W is loaded at the loading position. When it is supplied to T0, it is sent from the bottle unloading means 4 to the unloading section 5 after the upper gripping section 12 is opened. Next, as shown in FIG. 3B, the bottle W at the carry-in position T0 is gripped by the upper gripping part 12, and the bottles W at the bottle stop positions T1 to T4 gripped by the lower gripping part 11 and the upper gripping part 12 are used. In contrast, first to fourth finishing processes are performed. Thereafter, as shown in FIG. 3C, the lower gripping portion 11 is opened, and the bottle W is gripped and moved by the upper gripping portion 12. In this way, the same operation as that shown in FIGS. 2A to 2C is performed, and thereafter this operation is repeated.

  FIG. 4 shows a specific example of each processing unit. In this example, a cutting unit 21P that cuts the excess head of the bottle W is provided as the first processing unit 21, and a rough cutting unit 22P that roughly cuts the mouth of the bottle W as the second processing unit 22. A finishing cutting unit 23P that finish cuts the mouth of the bottle W is disposed as the third processing unit 23, and a waste blowing unit 24P that blows out the waste inside the bottle W is disposed as the fourth processing unit 24. ing.

  In this example, as the reaming process performed on one bottle W, the first reaming process by the rough cutting unit 22P and the second reaming process by the finishing cutting unit 23P performed thereafter are performed. Further, by providing the cutting unit 21P before the rough cutting unit 22P, rough cutting processing is performed prior to the reaming processing, and by providing the waste blowing unit 24P after the finishing cutting unit 23P, chip blowing processing is performed after the reaming processing. Is done.

  Also in the example illustrated in FIG. 4, the bottle transfer mechanism 10 includes the bottom pressing unit 13 that presses the bottom of the bottle W from above at the bottle stop position where the first to fourth processing units 21 to 24 are disposed. . By providing such a bottom pressing means 13, the bottle W can be positioned in a stable state and each process can be performed with high accuracy.

  The finishing machine 1 according to the embodiment of the present invention is required for various bottles by causing the plurality of processing units 21 to 24 arranged linearly with respect to the support frame 20 to correspond to appropriate processing. Different types of finishing processes can be set arbitrarily. Further, by appropriately increasing the support space of the support frame 20 and the number of gripping portions of the bottle transfer mechanism 10, it is possible to easily increase the number of processing units and save space.

  As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration is not limited to these embodiments, and the design can be changed without departing from the scope of the present invention. Is included in the present invention. In addition, the above-described embodiments can be combined by utilizing each other's technology as long as there is no particular contradiction or problem in the purpose and configuration.

1: Finishing machine, 2: Inlet part, 3: Bottle inversion supply means,
4: Bottle unloading means, 5: Unloading section,
10: Bottle transfer mechanism, 11: Lower gripping part, 12: Upper gripping part,
13: Bottom pressing means
20: Support frame, 21-24: Processing unit,
21P: Cutting unit, 22P: Rough cutting unit, 23P: Cutting unit,
24P: Waste blowing unit,
W: Bottle, T0: Loading position, T1-T4: Bottle stop position,
T5: Unloading position

Claims (7)

A finishing machine that performs a finishing process on a blow-molded bottle,
A bottle transfer mechanism that grips the bottle with the mouth down and moves it intermittently at set intervals;
A plurality of processing units that are arranged corresponding to the bottle stop positions of the bottle transfer mechanism and perform different finishing processes on the bottles held by the bottle transfer mechanism at each stop position;
A synthetic resin bottle finishing machine comprising: a support frame for supporting the bottle transfer mechanism and linearly arranging and supporting the plurality of processing units. An inlet part into which a molded bottle is carried;
An unloading section for unloading the bottle after finishing processing,
2. The synthetic resin bottle finisher according to claim 1, wherein the inlet portion includes a bottle inversion supply unit that inverts a bottle carried in an upright state and supplies the bottle to the bottle transfer mechanism. . The bottle transfer mechanism includes a lower gripping portion that opens and closes integrally at the bottle stop position and grips the periphery of the mouth of the bottle, and an upper gripping portion that opens and closes integrally at the bottle stop position and grips the bottle body. With
The upper gripping part is closed with the lower gripping part during the processing operation of the processing unit to grip the bottle, and the bottle is transported by the set interval while gripping the bottle when the lower gripping part is opened, 3. The synthetic resin bottle finishing machine according to claim 1, wherein when the lower gripping portion is closed, an operation of opening and returning by the set interval is performed. 4.   The said bottle transfer mechanism is provided with the bottom part press means which presses the bottom part of a bottle from the top in the said bottle stop position, The finishing process of the synthetic resin bottles described in any one of Claims 1-3 characterized by the above-mentioned. Machine.   The plurality of processing units include at least a rough cutting unit that roughly cuts a mouth portion of a bottle and a finish cutting unit that performs finish cutting after the rough cutting. Finishing machine for plastic bottles made.   The synthetic resin bottle finishing machine according to claim 5, wherein the plurality of processing units include a cutting unit that cuts an excess head of the bottle in a stage preceding the rough cutting unit.   The synthetic resin bottle finishing processor according to claim 5 or 6, wherein the plurality of processing units include a waste blowing unit that blows out the waste inside the bottle at a stage subsequent to the finishing cutting unit.

Images