JPH052914U - Mold line connection structure of molding machine - Google Patents

Abstract

(57) [Summary] [Purpose] When connecting the mold mounting plate side conduit and the mold side conduit compactly at the same time as mounting the mold on the mold mounting plate, the conduit connection workability To improve the workability of mold replacement. [Structure] Pipe line 231 provided on movable plate 103 and mold 8
In the mold pipe line connection structure of the molding machine in which the pipe line 231 ′ provided in the mold plate 8 is connected to the movable plate 103 while the mold 8 is attached to the movable plate 103.
The connecting end of one of the conduits 231 of 31 ′ is a male connecting part, and the connecting end of the other conduit 231 ′ is a female connecting part,
Both of these connecting portions can be fitted through an O-ring 245.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention is a blow molding machine for blow molding detergent containers, cosmetic bottles, etc. from a parison. The present invention relates to a mold pipe line connection structure for a molding machine, which is suitable for use in the above.

[0002]

[Prior art]

  Japanese Examined Patent Publication No. 2-48412 discloses a mold pipe connection structure for a molding machine on the mold mounting plate side. The temperature control channel is installed in the clamp that is installed in the clamp that holds the mold against the mold mounting plate. And opening and closing the temperature control channel on the surface of the mold that is pressed by the clamp. When opening and clamping the mold to the mold mounting plate with a clamp, both the above-mentioned entrance and exit The two inlets and outlets can be communicated with each other with the sealing material sandwiched between the mating surfaces of Is disclosed.

[0003]   According to this conventional technique, the pipe line on the mold mounting plate side and the pipe line on the mold side are connected to each other by the mold mounting plate. A compact connection can be made at the same time when the mold is attached to.

[0004]

[Problems to be solved by the device]

  However, the above-mentioned prior art has the following problems.

[0005]   When tightening and fixing the clamp, make sure that the inlet and outlet on the mold side It is necessary to confirm the match, and the workability of replacing the mold is poor.

[0006]   A sealant is sandwiched between the mating surfaces of the die side inlet and outlet and the clamp side inlet and outlet. Therefore, it is necessary to accompany fastening and fixing means such as bolts for each entrance / exit pair. If the clamp and clamp are equipped with a large number of pairs of pipe lines, a large amount of work time is required, and the mold Replacing work is poor.

[0007]   The present invention provides a mold mounting plate side pipe line and a mold side pipe line for a mold mounting plate. Simplifies the workability of connecting pipes when connecting compactly at the same time as mounting The purpose is to improve the workability of mold replacement.

[0008]

[Means for Solving the Problems]

  The present invention according to claim 1, wherein a pipe line provided in the mold mounting plate and a pipe line provided in the mold Are connected to each other under the condition that the mold is attached to the mold mounting plate. In the connection structure, the connecting end of one of the pair of pipelines connected to each other is -Shaped connection part, the connection end of the other pipeline is a female connection part, and both connection parts are sealed. It is made possible to be fitted through a material.

[0009]   The present invention according to claim 2 is the same as the present invention according to claim 1, further comprising a mold attachment. The plate and the mold have a plurality of pairs of conduits, and the male connection part and the female contact in each conduit pair are connected. The connecting direction of the connecting portion is the same between the pair of pipes.

[0010]   The present invention according to claim 3 is the same as the present invention according to claim 1 or 2, further comprising: The connecting section is composed of a mold mounting plate or a connecting pipe that is flexibly planted in the mold. It is a scam.

[0011]

[Action]

  According to the present invention, the following effects are obtained.

[0012]   The mold mounting plate side pipeline and the mold side pipeline are the process of mounting the mold on the mold mounting plate. To connect them smoothly by mating the male and female connections To be done.

[0013]   In the above, the male connection portion and the female connection portion are fitted through a sealing material, Liquid tightness or air tightness can be maintained at the same time as the fitting. Therefore, liquid-tightness between the connecting parts or In order to ensure airtightness, the sealing material interposed between the connecting parts should be pinched with bolts, etc. Need not be accompanied by the work of.

[0014]   When there are multiple pairs of conduits, the connection between the male and female connections in each conduit pair Since the connecting direction is set to the same direction between these pipe pairs, the mold is attached to the mold mounting plate. In the process of connecting, the mold is connected to the mold mounting plate by the above-mentioned male connection part and female connection part connection method. All the line pairs can be connected only by bringing them close to each other in the direction.

[0015]   Since the male connecting portion is flexibly planted in the mold mounting plate or the mold, the mold mounting plate Even if the insertion position of the mold to the The male and female mating can be started.

[0016]

【Example】

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

[0017]   In FIG. 1, reference numeral 1 denotes a rotary blow molding machine, which is a tube made of a thermoplastic resin. It has an extruder 10 for vertically extruding the bulged molten parison 2 downward in the vertical direction. This push It is rotatably supported on a base 5 attached to the launcher 10 via a support shaft 6 (see FIG. 8). The melted parison 2 is sandwiched between the turntable 7 and blow molded. Six pairs of opening and closing molds 8 and 8'are placed on each base plate 9 through each of the six pairs. Each pair of opening and closing molds 8, 8'from station A to station F shown in FIG. For example, the molten parison 2 can be obtained by intermittently rotating the section For example, blow continuously to a molded product 2 '(see Fig. 11) that becomes a detergent container, cosmetic bottle, etc. It can be molded.

[0018]   The extruder 10 includes a lower base 11 and a lower base 11 as shown in FIGS. 11 A swinging drive mechanism 20 allows the swinging movement in a horizontal direction with respect to the lower base 11. The upper base 12 is provided, and the upper and lower bases 12 are mounted on the upper base 12 by the vertical drive mechanism 30. When the reciprocating mold moves downward and descends, the molten parison 2 is placed in the pair of open / close molds 8 and 8 '. And an extruder main body 13 for supplying

[0019]   As shown in FIGS. 1 to 4, the extruder body 13 has a pellet shape on the upper rear side thereof. This hopper has a hopper 14 for charging the thermoplastic resin (raw material) of A screw 16 that is rotated by a motor 15 or the like is built in the lower part of 14 and the outside is shown. It has a cylinder 18 that is heated by a heater that does not. In this cylinder 18 The heat-melted thermoplastic resin is a tubular pushing die provided at the tip of the cylinder 18. The head 19 forms three tubular molten parisons 2, 2, 2 vertically downward. In each of the three cavities of the same shape formed in the pair of open / close molds 8, 8 ' Each of them is pushed out and supplied at the same time. From the extruder body 13 The number of melted parison 2 extruded is not limited to three, one, two, or four or more. But it's okay.

[0020]   As shown in FIGS. 1 to 4, the turning drive mechanism 20 includes an upper surface of the lower base 11. Of the guides 21 fixed to the four corners of the Each guide 22 slidably provided with respect to each of the above guides 21 and the inner peripheral surface A slewing ring bearing (inner bearing) 23 having an inner tooth 23a is formed on the lower base 11 above. The drive gear 27 fixed to the surface of the inner bearing 23 is fixed to the shaft portion 26a. And a motor 26 that meshes with the teeth 23a.

[0021]   The vertical drive mechanism 30, as shown in FIGS. A pair of hinges 31, 31 provided between the rear of the launcher body 13 and the upper base 1 A pair of shock absorbers interposed between the front part of No. 2 and the front part of the extruder body 13. 32, 32 and a pair of brackets 33, 3 standing upright on the front side of the upper surface of the upper base 12. A pair of links 34, one end of which is axially supported between the three, and the lower surface of the extruder main body 13 A pair of brackets 35 hung down to the side, a link 36 whose one end is pivotally supported, and A bracket 37 standing upright on the upper surface of the base 12 is pivotally supported in a vertically swingable manner, The other end of the pair of links 34, 34 and the phosphorus And a hydraulic cylinder 38 pivotally supported to pinch the other end of the cylinder 36. ing.

[0022]   In addition, the parison cutting device 40, as shown in FIGS. Of the three melts, which are disposed below the door 19 and are supplied into the pair of open / close molds 8 and 8 '. The upper ends 2a, 2a, 2a of the fusion parison 2, 2, 2 are on the pair of opening / closing molds 8, 8 '. Each is cut into a certain length so that it protrudes slightly from the surface. This parison The cutting device 40 is fixed to the extruder body 13 and is located below the front portion of the cylinder 18. A base plate 41 that extends horizontally toward one side, and a support on the base of the base plate 41. An air cylinder (actuator that is swingably supported in the left-right direction via a shaft 43 or the like). 42) and the center of the shaft portion 44a on the lower surface of the tip of the base plate 41. The one-way clutch 46 fixed by 45 is fitted to the air cylinder 42, The tip of the rod 42a is pivotally supported by a pin, and the rod 42a is reciprocated back and forth to move in one direction. The rotary plate 44 that rotates in the (clockwise direction) and the lower end of the shaft portion 44a of the rotary plate 44 are fixed to each other. Fixed mounting plate 47, and a plurality of bolts 49 and the like on the upper surface of the front part of the mounting plate 47. Mounted on the base plate 41 and a cutter 48 with a triangular tip. Is installed side by side with the air cylinder 42 and the rotary plate 44, and the cutting start position of the cutter 48 is And a cutter positioning mechanism 50 that determines the position (starting position of rotation). So The cutter 48 does not reciprocate but rotates in one direction, so Since the upper ends 2a, 2a, 2a of the fusion parison 2, 2, 2 are cut off, , Each molten parison 2, 2, 2 is always cut into a certain state, for example, a certain length You can The upper end 2a of each molten parison 2 is a molded product after blow molding. Upper burr 2a '(mouth burr) is left on the upper part of 2'.

[0023]   The cutter positioning mechanism 50, as shown in FIG. 5 and FIG. A small air cylinder 5 fixed to 41 so as to be arranged substantially parallel to the air cylinder 42. 1 and the recess of the base plate 41 on the base plate 41 via the support shaft 53. A pair of links 52, 52 swingably supported on the portion 41a, and the pair of links At the center of the links 52, 52 and the tip 51a of the rod of the air cylinder 51. Each of the pins is pivotally supported between the intermediate link 54 and the tips of the pair of links 52, 52. It is rotatably supported via a shaft 56 and is formed on the outer periphery of the rotary plate 44. The cutting start position of the cutter 48 can be freely contacted with and separated from the arcuate notch 44b. And a roller 55 that determines the position (starting position of rotation).

[0024]   Below a turntable 7 rotatably supported on the base 5 via a support shaft 6. The peripheral edge of the surface is mounted on a large number of bearings 60 standing on the base 5, and An annular driven gear 61 is fixed to the outer periphery of the turntable 7. This follower The ears 61 are rotatably supported by the support shafts 63 erected on the base 5. The pair of idle gears 62, 62 are engaged with each other. Also, this pair of idols The gears 62, 62 are mounted on the speed reducer 65 of the AC servo motor 64 on the base 5. Is engaged with the driven gear 66. Of the drive gear 66 and the turntable 7 Since a pair of idle gears 62, 62 are interposed between the driven gear 61 on the outer circumference, The backlash between the gears can be eliminated, and the turntable 7 can be intermittently driven. Positioning at the time of rotation and stop can be performed with high accuracy.

[0025]   In addition, as shown in FIGS. 1 and 8, the stay of the turntable 7 on the base 5 is I'll cross over the turntable 7 from the position of Option B to the position of Station E. A sea turtle-shaped gate frame 67 is erected. In addition, the turntable 7 on the base 5 At the position of the station F of the molded product container 6 for storing the molded product 2 ′ taken out. 8 and chute 69 are erected. And the turntable 7 of the gate frame 67 At the position of the station B of the above Shape correction mechanism for correcting the upper end 2a of the molten parison 2 before flattening to a flat upright state 70 is provided. In addition, above the turntable 7 of the molded product storage device 68, Between the projecting upper frame 68a and middle frame 68b, the pair of the above-mentioned pair after hollow molding is formed. After the upper burr 2a 'of the molded product 2'is gripped and lifted when the opening and closing molds 8 and 8'are opened. Molding by which the upper burr 2a 'of the molded product 2'is adsorbed and the body 2b' is gripped and taken out. A product take-out device 80 is provided.

[0026]   The burr shape correcting mechanism 70, as shown in FIG. 8 to FIG. The station table 7 is fixed to the station B above the middle of the pair of open / close molds 8 and 8 '. 4 guides with the tip of each bracket 72 fixed to the bracket 71 The bolts 73, ..., And the U-shaped mounting attached to the lower end of each guide bolt 73. The attached plate 74 and the two side portions 74a, 74a of the mounting plate 74 Through the pair of guide shafts 75, 75 and slide to open the upper surfaces of the pair of open / close molds 8, 8 '. The upper ends 2a, 2a, 2a of the respective unmelted molten parisons 2, 2, 2 protruding upward are clamped. A pair of clampers 76, 76 that illuminate and correct the flat upright state, and the mounting It is attached to the outer center of both side portions 74a, 74a of the rate 74, and is attached to each rod 77a. The tip is fixed to the center of each clamper 76, and each clamper 76 is brought into contact with and separated from each other. It is composed of a pair of air cylinders 77, 77. Also, a pair of clampers 76 , 76 are provided with cooling means to accelerate the solidification of the upper end 2a of the molten parison 2. You may.

[0027]   Further, as shown in FIG. 11, the molded product take-out device 80 includes the molded product container 6 8, which is disposed on the upper frame 68a of 8 and which opens and closes the pair of open / close molds 8 and 8'after blow molding. At some times, an upper burr gripping and removing mechanism 8 that grips and raises the upper burr 2a 'of each molded product 2'. 1 and the above-described upper burr gripping and removing device, which is disposed in the middle frame 68b of the molded product storage device 68. While adsorbing the upper burr 2a 'of each molded product 2'which has been raised by the ejection mechanism 81, The body 2 b ′ is gripped and rotated by 180 °, and the molded product 2 ′ is stored in the molded product storage container 68. And a suction gripping and conveying mechanism 90 for storing

[0028]   As shown in FIGS. 11 to 14, the upper burr gripping and taking out mechanism 81 is used to store the molded product. The air cylinder 82 which is erected on the tip side of the upper frame 68a of the container 68 and the air cylinder 82 It is fixed to the tip of the rod 82a of the cylinder 82, and by expansion and contraction of the rod 82a A substantially U-shaped mounting plate 83 that moves in the vertical direction, and both of the mounting plate 83 By penetrating and sliding the pair of guide shafts 84, 84 spanning the side portions 83a, 83b. A pair that holds the upper burr 2a 'of the molded product 2'from within the pair of opening and closing molds 8 and 8'when opened. Of the chucks 85, 86 and the inner surface of the one side portion 83a of the mounting plate 83. Attached and fixing the tip of rod 87a to the center of one chuck 86. And the outer surface of one side portion 83a of the mounting plate 83, The tip of the rod 88a is fixed to both sides of the other chuck 85, and the other The three chuck pieces 89 of the chuck 85 and the one chuck 86 are brought into contact with each other and separated from each other. It is composed of a pair of air cylinders 88, 88. And each of the above air The movement of the rods 87a, 88a of the cylinders 87, 88 causes the chuck 85 on one side to move. The upper burr 2a 'of the molded product 2'is moved upward by the three chuck pieces 89 and the other chuck 86. When the molded product 2'is opened by gripping the end and retracting the rod 82a of the air cylinder 82. The upper frame 68 of the molded product storage container 68 taken out from the pair of open / close molds 8, 8. It is designed to be raised to a predetermined position below a. The chucks 85, 86 You may provide a cooling means in.

[0029]   As shown in FIGS. 11 and 15 to 17, the suction gripping and conveying mechanism 90 is a molded product. Rotated every 180 ° by a motor 92 standing on the middle frame 68b of the container 68 A pair of arms 91, 91 and a pair of arms 91 are provided on both sides of the front end of each arm 91, respectively. A pair of guide shafts 93, 93 that are slidable in the front-back direction The ride frame 94 and the tip of the rod 95a are fixed to the slide frame 94. An air system that reciprocates the slide frame 94 in the front-back direction by advancing and retracting the door 95a. It is mounted on the front surface of the upper portion of the above-mentioned slide frame 94 and the binder 95 at an equal distance, and is molded. The three suction pads 96 for vacuum-sucking the upper burr 2a 'of the product 2', and the above-mentioned slurry. The air cylinders 98 are attached to the lower front surface of the id frame 94 at equal intervals. Three pairs of gripping pieces 9 for gripping the body 2b 'of the molded product 2'and releasing the grip. 7 and 97. Reference numeral 99 in FIG. 11 is a proximity switch. The respective proximity switches 99 are provided at the front ends of the pair of arms 91, 91, respectively. The suction pads 96 and the pair of gripping pieces 97, 97 that have been scraped off On the open / close molds 8 and 8'and on the shooter 69 of the molded product container 68, respectively. Further, the rotational positions of the pair of arms 91, 91 are respectively determined.

[0030]   Six sets of 6 are arranged on the turntable 7 through the base plates 9 at intervals of 60 °. The pair of open / close molds 8 and 8 ′ are opened by the mold clamping device 100 shown in FIGS. It can be closed freely. This mold clamping device 100 is equidistant from the center of the base plate 9. Fixed so as to be parallel to the horizontal direction via each of the three standing support blocks 102 The pair of guide shafts 101, 101 and the pair of guide shafts 101, 101 The molds 8 and 8'provided so as to be slidable were fixed to the opposite surfaces, respectively. A pair of movable plates 103, 103 ′ and a pair of movable plates 103, 103 ′ on the back side of each movable plate 103, 103 ′. A pair of clamp rods 1 whose ends are fixed and which bring the molds 8 and 8 ′ into and out of contact with each other. 04, 104 'and the bracket 106 that is erected on one end (outside) of the base plate 9 above. Note that the guide shafts 101 and 101 are swung via a pivot shaft 107 located below the height of the guide shafts 101 and 101. Freely supported, and the other end of the one clamp rod 104 'is an intermediate link at the upper end. The pin 9 is pivotally supported via 108, and the lower end portion is opened from the upper surface of the base plate 9 with an opening 9a. And a pair of blocks below the base plate 9. 109 and 109 are slidably supported, and one end of the intermediate link 111 is interposed. Then, a pin is pivotally supported on the other end of the clamp rod 104 'of the swing lever 105. The pin pivotal support is provided at the lower end that is equidistant from the other end of the intermediate link 108 and the pivot 107. Through the slide rod 110 and the opening 9b of the base plate 9 If the other ends of the head 110 and the other clamp rod 104 are connected, Both slide along the bracket 113 standing upright on the other end (inside) of the base plate 9 The connecting plate 112 and the gate frame 67 at positions corresponding to the stations A and F. The connecting plate 11 is formed by a pair of hydraulic cylinders (actuators) 114 and 115. 2 is reciprocally movable, and the connecting plate 112 is connected by the hydraulic cylinder 114 on one side. Forwardly to close the pair of open / close molds 8 and 8 ′, and the other hydraulic cylinder The connecting plate 112 is moved back by 115 to open the pair of open / close molds 8 and 8 '. The toggle mechanism 120 holds these states.

[0031]   The toggle mechanism 120 includes a bracket 113 that is erected on the other end (inside) of the base plate 9. Is rotatably supported in the vertical direction via a support shaft 122, and one end of the hydraulic system is The first link 121, which is pressed by the binder 115 and the other end of which is flipped upward, Part is pin-pivoted to the other end of the first link 121, and the other end is connected to the connecting plate 112. The pin is pivotally supported and slides along the opening 113a of the bracket 113. When the other end of the first link 121 is flipped upward, the connecting plate 1 The roller 124 which is rotatably supported at one end of Second link 1 that is pressed by the hydraulic cylinder 114 of the second wheel to move the connecting plate 112 forward 23 and.

[0032]   With the rotary blow molding machine 1 of the above-described embodiment, each pair of open / close molds 8 and 8'is operated. Blow molding of molten parison 2 by intermittent rotation from station A to station F The procedure for

[0033]   First, at station F, as shown in FIG. The pair of open / close molds 8 and 8 ′ from which each molded product 2 ′ is taken out are rotated to the station A. Come on. Therefore, the AC servo motor 64 is stopped, and the pair of open / close molds 8 and 8 are When '′ stops at station A, the pair of opening / closing molds 8 and 8 ′ are already in a predetermined position. The mold clamping device 1 so as to sandwich the molten parison 2, 2, 2 extruded to the length. Closed by 00. That is, the low of the second link 123 of the mold clamping device 100. La 124 is pressed downward by hydraulic cylinder 114, and connecting plate 112 is placed on base plate 9. To the outside (outward in the radial direction of the turntable 7) (forward movement). This series One clamp rod 104 closes one mold 8 by the forward movement of the connection plate 112. The other clamp rod 104 'is pushed in the direction Via the inter-link 111, the swing lever 105, and the intermediate link 108 The mold 8'is moved in the opposite direction to push the other mold 8'in the closing direction. This As a result, the pair of open / close molds 8 and 8'holds the three molten parisons 2, 2 and 2. It will be closed instantly. Almost the same as the mold clamping of this pair of open / close molds 8, 8 ' Occasionally, the rod 42a of the air cylinder 42 of the parison cutting device 40 moves back and forth to move the power. The rotor 48 rotates at a high speed in one direction (clockwise direction) of the arrow in FIG. Instantly cut the Lisons 2, 2, and 2, respectively. The cutter 48 is one wake Since the latch 46 rotates in one direction to cut each molten parison 2, 2, 2, Each molten parison 2, 2, 2 is always in a constant state, for example, always in the same constant length. Can be cut. As a result, the cutting length of each molten parison 2, 2, 2 is monitored. Fidback control can be easily performed by visual observation and data processing. Also, the cutter 4 The cutting start position of 8 is set to the position shown by the solid line in FIG. 5 by the cutter positioning mechanism 50. Always position each fused parison 2, 2, 2 so that it is always cut to the same constant length Effect is promoted.

[0034]   At the same time as the cutting of each of the molten parisons 2, 2, 2, the extruder book of the extruder 10 is The die head 19 side of the body 13 is paired by a vertical drive mechanism 30 as shown in FIG. Rotates upward around the hinges 31, 31, and rises. This allows a pair of When the opening / closing dies 8, 8 ′ rotate to the next station B, the pair of opening / closing dies 8 , 8'and each molten parison 2, 2, 2 being extruded from the die head 19 interfere with each other. Never. A pair of open / close dies 8, 8'and each molten parison 2, 2 during extrusion. 2. When rotated to a position where does not interfere with, the die head of the extruder main body 13 of the extruder 10 As shown in FIG. 2, the door 19 side is vertically driven around a pair of hinges 31, 31. The rod 38a of the hydraulic cylinder 38 of the mechanism 30 retreats to rotate downward and descend. In addition, when the next pair of open / close molds 8 and 8 ′ stay at station A, they melt each other. Die head 19 so that parison 2, 2 and 2 are extruded to a predetermined length. The three molten parisons 2, 2 and 2 are continuously extruded.

[0035]   Next, by driving the AC servo motor 64, the pair of open / close molds 8, 8 ' In the closed state, from station B to station E, it is intermittently rotated every 60 ° By repeating the turning and stopping, the drawing incorporated in the pair of opening / closing molds 8 and 8 ′ is shown. Each of the above melting held in the pair of open / close molds 8, 8'by a blow needle Compressed air is blown into the parison 2 and blown into a predetermined shape, After the molding, the molded product 2'is cooled in the pair of open / close molds 8 and 8 '.

[0036]   In this pair of open / close molds 8 and 8 ', the compressed air suction device is not a blow pin. Since it is a blow needle, it is impossible to take out the molded product 2'with a blow pin. Yes. Therefore, in the station B, the upper surfaces of the pair of opening / closing molds 8 and 8 '. Upper ends 2a, 2a, 2 of the respective molten parisons 2, 2, 2 before solidification, which are projected a little more a is clamped by a pair of clampers 76, 76 of the burr shape correcting mechanism 70, respectively. Then, the upper ends 2a, 2a, 2a of the respective molten parisons 2, 2, 2 are corrected to a flat standing state. , A molded product is taken out from inside the pair of open / close molds 8 and 8'by a molded product take-out device 80 described later. 2'is easy to take out.

[0037]   In addition, each section from station A to station F has a large diameter (for example, 2700mm) and heavy (about 10 tons) turntable 7, AC servo motor 64, A turn composed of a drive gear 66, a pair of idle gears 62, 62, a driven gear 61, etc. The table drive makes intermittent rotations at high speeds (eg 2.5 seconds) (eg After rotating for 60 seconds in 1.6 seconds and then stopping for 0.9 seconds), the pair of open / close dies 8 , 8 ′ are sequentially rotated. In addition, it was fixed to the outer circumference of the turntable 7 The annular driven gear 61 and the drive gear 66 that transmits the rotation of the AC servomotor 64 Since a pair of idle gears 62, 62 are interposed between them, backlash between each gear Can be removed. As a result, when the turntable 7 is rotated or stopped, The positioning can be performed with higher accuracy.

[0038]   When the pair of open / close molds 8 and 8 ′ come to the station F, the molded product take-out device 80 Since the pair of chucks 85 and 86 of the upper burr gripping and extracting mechanism 81 have already descended, , The pair of opening / closing dies 8, 8 ′ is projected from the upper surface by the burr shape correcting mechanism 70. The upper burr 2a 'of the molded product 2'corrected to the flat standing state is attached to each chuck of the chuck 85. It is held by the backpack piece 89 and the chuck 86. At approximately the same time as this gripping, the hydraulic cylinder 11 5, the mold clamping device 100 is operated to open the pair of open / close molds 8, 8 '. Then, the rod 82a of the air cylinder 82 of the upper burr gripping and removing mechanism 81 is retracted. The pair of chucks 85 and 86 are lifted up to the suction grip transport mechanism 90. the above When the molded product 2'has been lifted by the upper burr gripping and taking out mechanism 81, this time, as shown in FIG. Each suction pad provided on one arm 91 of the suction gripping / transporting mechanism 90. Reference numeral 96 denotes a portion directly below the pair of chucks 85, 86 of the upper burr 2a 'of the molded product 2'. Is securely vacuum-adsorbed, and the body 2b 'is held by the pair of gripping pieces 97, 9 7, the molded product 2'is securely held without shaking. Next, the arm 91 Is rotated 180 ° by the motor 92 to release the suction and grip state. Then, each of the finished molded products 2 ′ is stored in the molded product storage container 68.

[0039]   The mold opening of the pair of opening and closing molds 8 and 8'by the mold clamping device 100 is performed by the mold clamping. This is performed by moving (returning) the connecting plate 112 in the opposite direction. This mold clamping The pivot 107 of the rocking lever 105 of the apparatus 100 has a pair of guide shafts 101, 101. It is located below the height and from this pivot 107 to the other of the clamp rod 104 '. The distance to the pin pivot point of the intermediate link 108 at the end and the slide lock from the pivot 107. The distance to the pin pivot point of the intermediate link 111 of the cord 110 should be equal and The pivot shaft 107 is provided midway between the position of the pair of guide shafts 101 and the position of the upper surface of the base plate 9. Therefore, the mold clamping force of the mold clamping device 100 is applied to the pair of guide shafts 101, 101 and the base plate 9 And can be divided evenly, and an unreasonable load is not applied to the base plate 9 and the like. Also The open / closed state of the pair of open / close molds 8 and 8 ′ is the same as the first link 121 and the second phosphorus. The toggle mechanism 120, which has a simple structure and includes a lock 123, can be securely held. it can.

[0040]   Further, after the blow molding by the rotary blow molding machine 1 is completed, the screen of the extruder 10 is As shown by the chain double-dashed line in Fig. 1, turn the turn The extruder main body 13 of the extruder 10 is fixed to the table 7 by the turning drive mechanism 20. It can be turned at an angle. As a result, the extruder main body 13 is attached to the mold clamping device 100 and the like. Does not interfere with each other, and the cleaning of the screw 16 and the like can be facilitated. Moreover, since the extruder main body 13 is of a swivel type, the installation space of the rotary blow molding machine 1 is increased. Space is small.

[0041]   According to the above-mentioned embodiment, the extruder 10 of the rotary blow molding machine 1 is moved up and down. The extruder 30 is provided so as to be vertically movable around a pair of hinges 31 and 31. The number 10 is not limited to this, and as in the extruder 10 ′ of another embodiment shown in FIG. The hinges 31 ′ and 31 ′ of the die are connected to the die head 19 through the inverted V-shaped frame 3. The height may be substantially the same as the height (on the same horizontal plane). As a result, the die head 1 The vibration of 9 and the misalignment of the parison 2 can be reliably solved. Other configurations Are the same as those in the above-mentioned embodiment, the same reference numerals are given and detailed description will be omitted.

[0042]   Next, the blow molding method by the blow molding machine 1 will be described in detail.

[0043]   The blow molding machine 1 includes an extruder 10 for extruding and hanging a parison 2 and a parison. Pre-seal device 200 for pre-sealing one end of Built in the die head 19 of the extruder 10 so as to pre-blow compressed air into the Son 2 The parison 2 is sandwiched between the pre-blowing device 201 and the both ends of the parison 2 are closed. A pair of dies 8 and 8 ', and a parison 2 closed inside the dies 8 and 8' Inject air until the parison 2 matches the cavity of the mold 8, 8 '. And a blow device 202 built in the mold 8.

[0044]   In the blow molding machine 1, the parison 2 extruded from the extruder 10 is The parison 2 is hung down, and one end of the parison 2 is squeezed by the pre-seal device 200 to press it. Reseal and pre-blow compressed air into the parison 2 with the pre-blow device 201. Then, the parison 2 is clamped by the pair of molds 8 and 8 '. Both ends of the parison are closed, and compressed air is introduced into the closed parison 2 and the parison 2 presses the mold 8 , 2'blow molding by pouring until it matches the cavity of 8 ' Then, the molded product 2'is cooled in the molds 8 and 8 '. In FIG. 25 , 230 are cooling water channels provided in the molds 8 and 8 '.

[0045]   Therefore, as shown in FIG. 20, the blow molding machine 1 has the lower end portions of the pair of molds 8 and 8 '. A pre-seal device 200 is provided in the. The pre-seal device 200 includes a pair of The rule plates 203 and 203 'in front of the mating surfaces of the molds 8 and 8', and Compression springs 204, 2 for elastically supporting the pre-seal plates 203, 203 'from the back surface It is equipped with 04 '. As a result, the pre-sealing device 200 is closing the molds 8 and 8 '. In the middle of the process, one end of the parison 2 is clamped by the pre-seal plates 203, 203 '. Pre-seal. On the other hand, the blow molding machine 1 includes a die head 19 central portion of the extruder 10. The compressed air discharge port 205 of the pre-blowing device 201 is opened in the Compressed air is constantly discharged from 205. Therefore, the pre-seal device 200 If one end of the parison 2 is pre-sealed as described above, the pre-blowing device 2 The compressed air supplied by 01 inflates the entire parison 2 and between the two parison skins. A constant void is formed, and in the subsequent process, the blower 2 is inserted into the cavity of the mold 8, 8 '. Blow needle 210 of 02 pierces two parison skins and blows parison 2 Prevents the molding from being disabled.

[0046]   That is, in the blow molding machine 1, the pre-seal of the parison 2 is replaced with the molds 8 and 8 '. At the lowermost part, and thus at a position farthest from the extruder 10. Therefore, The parison 2 is a die in the die head 19 of the extruder 10 when pre-sealing. There is no strong bending action directly below 19A and core 19B, and ring mark flaws Does not occur. Therefore, the lower burr to be cut off at the lower end of the parison 2 is small. It can be drilled and the yield can be improved.

[0047]   Further, in the blow molding machine 1, when the parison 2 is pre-sealed, Son 2 is extruded with a length corresponding to the entire length of the molded product. -The whole bulges evenly. Therefore, the pre-blow is the extrusion of the parison 2. The pre-blow before pre-sealing simply penetrates the parison 2. The pre-blown after pre-sealing inflates the parison 2 evenly. The Rukoto. That is, it is not necessary to monitor the timing of the pre-blow start. The control of pre-blow can be simplified.

[0048]   Further, as shown in FIG. 21, the blow molding machine 1 has a movable plate 103 which is a mold mounting plate. The blow needle 210 of the blow device 202 and the blow needle It has a built-in needle drive unit 211. That is, it corresponds to each cavity of the mold 8. A guide block 212 is integrated on the back side, and the guide block 212 is The low needle drive unit 211 is integrated. And blow needle drive 211 includes an air cylinder 213 and a piston rod 214, and a piston The base end of the blow needle 210 is connected to the stone rod 214. Broni The needle drive unit 211 is connected to the needle protruding port 213A of the air cylinder 213 and a needle. By selectively switching the supply of compressed air to the dollar return port 213B, Insert the blow needle 210 into the cavity (see FIG. 21 (B)) and the cavity. The exit position (see FIGS. 21A and 21C) is switched and set. Broni When the needle 210 is set to the cavity entry position, the guide block 212 The air passage 2 in which the air inlet 215 provided is provided at the center of the blow needle 210. Connect to 16. When the blow needle 210 is set to the cavity exit position , The air outlet 217 provided in the guide block 212 has the needle gas provided in the mold 8. It communicates with the cavity internal space through the id hole 218.

[0049]   Therefore, in the blow molding machine 1, (1) the pair of molds 8 and 8 ′ are opened, When the son 2 is inserted between the mating surfaces of the molds 8 and 8 ', the blow needle driving part 211 Sets the blow needle 210 to the cavity exit position, and (2) the pair of molds 8, 8 The blow needle drive part 211 is used to Set the tee into the tee, and pre-blow one of the parison 2 pieces as described above. The parison skin is pierced with the tip of the blow needle 210 and supplied from the air inlet 215. The supplied compressed air is injected into the parison 2. With this blow needle 210 Injecting compressed air, parison 2 is molded to match the cavity of the mold 8, 8 '. , Until it is further cooled. And (3) just before the pair of molds 8 and 8'opens Then, the blow needle drive unit 211 moves the blow needle 210 to the cavity exit position. The high pressure air in the molded product 2'is set from the needle penetration hole of the parison 2 to the mold 8 Air is released from the air outlet 217 through the needle guide hole 218, and when the mold is opened The high pressure air in the molded product 2'is prevented from deforming the molded product 2 '.

[0050]   In addition, as shown in FIG. 21, the blow molding machine 1 has a mold 8 and a mold 8 ', which are equipped with an ejector device. The ejector pin 221 and the ejector pin drive part 222 of the device 220 are built in. It That is, the upper and lower ends of the molds 8 and 8'are provided with air shields for the ejector pin drive section 222. The Linda 223 is built in, and the piston rod of this air cylinder 223 is ejected. It constitutes a tapin 221. The ejector pin drive unit 222 is the air cylinder 2 The compressed air is supplied to the pin projecting port 223A and the pin returning port 223B of No. 23. By selectively switching, the ejector pin 221 is closed up and down of the molds 8 and 8 '. The standby position (see FIGS. 21 (A) and 21 (B)) to be immersed in the stop surface and the dies 8 and 8 '. Switch to one of the work positions (see Fig. 21 (C)) to project from the upper and lower closing surfaces Set. 224 is a pin guide hole provided in the molds 8 and 8 '.

[0051]   Thus, in the blow molding machine 1, a molded product in which the pair of molds 8 and 8'is opened. When ejecting 2 ′, the ejector pin drive section 225 is ejected as shown in FIG. The ejector pin 221 is projected from the upper and lower closing surfaces of the molds 8 and 8'and is placed on the molds 8 and 8 '. The pair of ejector pins 221 provided on the end side clamp the upper burr of the molded product 2 ', Moreover, a molded product is formed by the pair of ejector pins 221 provided on the lower end side of the molds 8 and 8 '. By holding the bottom burr of 2 ', the molded product 2'can be taken out from the mold 8,8'. And

[0052]   That is, in the blow molding machine 1, the blow needle 210 of the blow device 202 is used. And the blow needle drive unit 211 and the ejector pin 2 of the ejector device 220. 21 and the ejector pin drive part 222 are built in the molds 8 and 8 ', When the molds 8 and 8'are attached to and detached from the movable plates 103 and 103 'which are mold mounting plates, The blow needle 210 and the ejector pin 221 into the mold 8 and 8 '. It is inserted into the guide hole 224 and the pin guide hole 224, and the blow needle 210 , The ejector pin 221 and the driving parts 211 and 222 thereof are attached and detached. No work is required and the workability of exchanging the molds 8 and 8'can be improved.

[0053]   In addition, the blow needle 210 and the ejector pin 221 are installed in the molds 8 and 8 '. Which has been previously inserted into the idle guide hole 218 and the pin guide hole 224, and which has the mold 8 , 8'integrated with the drive units 211, 222 in advance. Therefore, These blow needles 210, ejector pins 221 and needle guide holes 218, Assembling position error with the pin guide hole 224 and those blow needle 210, ejector The mechanical attachment / detachment of the attachment / detachment between the kuta pin 221 and the drive portions 211 and 222 thereof. In addition, there is no possibility of assembling position error, and those blow needle 210, ejector The smooth operability of the taping 221 can be ensured.

[0054]   Next, in the blow molding machine 1, the movable plates 103 and 103 ', which are mold mounting plates, are A pair of the cooling water supply pipeline 231 provided and the cooling water supply pipeline 232 provided in the molds 8 and 8 '. , The cooling water discharge conduit 233 provided on the movable plates 103, 103 'and the molds 8, 8' Air supply for the blow cylinder provided on the movable plate 103, paired with the cooling water discharge pipe line 234 A pair of a pipe 235 and a blow cylinder air supply pipe 236 provided in the mold 8, and a movable plate Blow cylinder air discharge pipe 237 provided in 103 and the blow cylinder provided in mold 8. A pair of the air discharge pipe line 238 for the binder and the blowout air supply provided on the movable plate 103. A pair of the supply pipe 239 and the blown-out air supply pipe 240 provided in the mold 8, a movable plate Ejector cylinder air supply pipeline 241 and mold 8 provided in 103 and 103 ', 8 ', a pair of ejector cylinder air supply pipe lines 242, movable plates 103, 1 Installed in the ejector cylinder air discharge conduit 243 provided in 03 'and the molds 8, 8' Each of the pair of ejector cylinder air discharge conduits 244 is provided with a movable plate. For the structure in which the molds 8 and 8'are connected to each other while being attached to the molds 103 and 103 '. And explain.

[0055]   First, regarding the cooling water supply pipes 231, 232 and the cooling water discharge pipes 233, 234, 24 to 26, the conduits 231 and 2 on the movable plates 103 and 103 'side are provided. Male connection pipe 231A in which the connection end of 33 is planted in the movable plates 103 and 103 '. 233A, and the connecting ends of the conduits 232, 234 on the side of the dies 8, 8'are connected by a hole-shaped female contact. The connecting portions 232A and 234A are used, and the male connecting pipes 231A and 233A are connected to the female connecting portion 23. 2A and 234A can be closely fitted via O-rings 245. here The number of O-rings 245 may be one or three or more.

[0056]   The male connecting pipe 231A is attached to the movable plates 103 and 103 '(male connecting pipe). The connecting pipe 233A is also the same), as shown in FIG. 26 (B), is a base end of the male connecting pipe 231A. Part is loosely inserted in the planting hole 246 provided in the movable plates 103, 103 ', and the planting hole 24 A small diameter that is closely fitted to the O-ring 247 provided on the No. 6 and further provided on the male connection pipe 231A. The support hole 2 for the elastic plate 249 such as a rubber plate provided with the portion 248 on the movable plates 103 and 103 '. It is fixedly supported by 50 flexibly. Even if two or more O-rings 247 are provided good. 251 is a snap ring inserted into the small diameter portion 248, and 252 is a not-shown button. And the elastic plate 249 is fixed to the movable plates 103 and 103 ′ by a belt. It is a pressing plate that presses and holds 3, 103 '.

[0057]   Also, blow cylinder air supply lines 235 and 236, blow cylinder air The discharge pipe lines 237 and 238 are movable as shown in FIGS. 22, 24 and 25. Males in which the connection ends of the pipes 235 and 237 on the plate 103 side are planted in the movable plates 103. Connection pipes 235A and 237A, and connecting ends of the pipe lines 236 and 238 on the die 8 side are bored. Female connection parts 236A, 238A, and male connection pipes 235A, 237A Can be closely fitted via O-rings (not shown) provided on the connecting portions 236A and 238A. are doing. The male connecting pipes 235A and 237A are installed on the movable plate 103. Is the same flexible shape as in the male connecting pipe 231A shown in FIG. Of.

[0058]   In addition, as for the blown-off air supply pipelines 239 and 240, FIG. 4, the connecting end of the conduit 239 on the movable plate 103 side is connected to the movable plate 1 as shown in FIG. 03 is a male connecting pipe 239A, and the connecting end of the pipe line 240 on the die 8 side is a hole. -Shaped female connecting portion 240A, and male connecting pipe 239A is provided in the female connecting portion 240A A tight fitting is possible via an O-ring (not shown). In addition, the movable plate 103 The male connecting pipe 239A has an implanting structure of the male connecting pipe 231 shown in FIG. It is the same as in A.

[0059]   Further, the air supply pipe lines 241, 242 for the ejector cylinder, the ejector cylinder The air discharge pipe lines 243 and 244 for the da are movable as shown in FIGS. 24 and 25. The connecting ends of the pipe lines 241 and 243 on the plates 103 and 103 'are connected to the movable plates 103 and 1 Male connection pipes 241A and 243A to be planted on the 03 'side, and mold 8 and 8'side pipes The connection ends of the passages 242 and 244 are hole-shaped female connection portions 242A and 244A, and the male connection is performed. The O-rings (not connected) provided with the connecting pipes 241A and 243A on the female connecting portions 242A and 244A. It is possible to make a close fitting through the (). In addition, with respect to the movable plates 103 and 103 ' The male connecting pipes 241A and 243A have an implanting structure shown in FIG. 26 (B). It is flexible like 231A.

[0060]   Here, each pair of ducts 231 and 2 included in the movable plates 103 and 103 'and the molds 8 and 8' 32, 233 and 234, 235 and 236, 237 and 238, 239 and 240, 2 41 and 242, 243 and 244, the male connecting pipes 231A and 233. A, 235A, 237A, 239A, 241A, 243A and female connecting portion 232A , 234A, 236A, 238A, 240A, 242A, 244A connection direction Are set in the same direction between the pair of pipelines.

[0061]   That is, in the blow molding machine 1, the movable plates 103 and 103 ′, which are mold mounting plates, are used. Side pipes 231, 233, 235, 237, 239, 241, 243 and the mold 8, 8'side pipe lines 232, 234, 236, 238, 240, 242, 244, When exchanging the molds, the molds 8 and 8 ′ are hung by a hanging structure described later. Insert the both-side mounting projections 253 of 8'into the two-side mounting recesses 254 of the movable plates 8 and 8 '. In the process of attaching the male connecting pipe 231A and the female connecting portion 232A and the like, It can be connected smoothly by fitting male and female.

[0062]   In addition, the male connecting pipe 231A and the like and the female connecting portion 232A and the like have an O ring 245 and the like. It is possible to keep the liquid tightness or the air tightness at the same time as the fitting. Therefore, the connection In order to ensure liquid-tightness or air-tightness between the joints, the sealing material interposed between It is not necessary to perform work such as pinching with a torch.

[0063]   Further, when having a plurality of pairs of pipelines 231, 232, etc., each pipeline pair 231, 23 The connection direction of the male connection pipe 231A etc. and the female connection portion 232A etc. Since the pair of ducts are set in the same direction, the molds 8 and 8'are attached to the movable plates 103 and 103. In the process of attaching the molds 8 and 8'to the movable plates 103 and 103 ', The connecting pipe 231A and the like and the female connecting portion 232A and the like along the connecting direction. Only by doing so, all the line pairs can be connected.

[0064]   Further, the male connecting pipe 231 and the like are flexibly planted in the movable plates 103 and 103 '. Therefore, the mounting positions of the molds 8 and 8'to the movable plates 103 and 103 'are rough. However, the male connecting pipe 231A etc. smoothly opens the male-female fitting to the female connecting portion 232A. You can start.

[0065]   Incidentally, in the blow molding machine 1, both side mounting projections 253 of the molds 8 and 8'are provided with movable plates. In the process of inserting and mounting the movable plate 103 in both side mounting recesses 254 of 103, 103 '. , The pipe line 231 on the side of 103 'and the pipe line 232 on the side of the mold 8, 8'as described above. At the same time as male and female fitting and connection, the lower end positioning recess 255 of the molds 8 and 8 '. Is engaged with the lower end positioning projections 256 of the movable plates 103, 103 ', and the mold 8 , 8'is placed on the lower end receiving portions 257 of the movable plates 103, 103 '. After being positioned by, the hydraulic clamp device 258 on the movable plate 103, 103 'side is The molds 8 and 8'are firmly fixed and held by the claws 259, and the attachment of both is completed.

[0066]   However, the blow molding machine 1 can be used as a die mounting plate when exchanging the die. As a mold suspension structure for attaching and detaching the molds 8 and 8'to the moving plates 103 and 103 ' , With the following:

[0067]   That is, as shown in FIGS. 22 and 23, each of the molds 8 and 8'has a hook on both sides thereof. The hook-shaped suspension locking portions 261 and 261 ′ are provided, and both suspension locking portions 261 and 261 are provided. It can be hoisted by the left and right hoisting tools 262 that are locked to ‘′. In addition, in FIG. 263 is a suspension wire and 264 is a crane.

[0068]   Here, in the blow molding machine 1, the center between both suspension locking parts 261 and 261 '. As shown schematically in FIG. 27 (A), the position of each individual center of gravity G of the pair of molds 8 and 8 '. The center of gravity of 1 and G2 is set on the G line.

[0069]   In addition, one of the pair of molds 8 and 8 ′ has a balance weight 26. It is equipped with 5. The balance weight 265 on the side of the mold 8 ′ is The weight of the device 202 is approximately balanced.

[0070]   In addition, the suspending tool 262 has a locking pin 2 that locks both suspension locking portions 261 and 261 '. A portion that rises from both ends of 66 is a mold opening restricting portion 267. Open each mold The regulating portion 267 engages with the side portions of the suspension locking portions 261 and 261 ′ to form a pair of metal parts. It prevents the molds 8 and 8'from opening.

[0071]   That is, in the blow molding machine 1, both of the molds 8 and 8'provided respectively The central position between the suspension locking parts 261 and 261 'is the total of the pair of molds 8 and 8'. Since it is set so as to be located on the center of gravity G line, both of the suspension locking portions 261, 261 ′ is locked by the hanging tool 262, and only by lifting, the pair of molds 8, 8'can be hung horizontally.

[0072]   Further, in the blow molding machine 1, the balance weight 265 is attached to one of the molds 8 '. By providing the pair of dies 8, 8 ′, the total center of gravity G line of both dies 8, 8 ′ Hangers provided on the respective molds 8 and 8'as a result, which can be substantially matched with the mating surface of Stops 261 and 261 'can be installed close to each other near their mating surfaces. Therefore, It is possible to make the suspending tool 262 that is locked to both of the suspension locking portions 261 and 261 'compact. Wear.

[0073]   Further, in the blow molding machine 1, the suspension locking portions 261 and 261 'are provided in the molds 8 respectively. , 8'is not located on the individual center of gravity G1 and G2 line, the molds 8 and 8'are suspended. When pulled, the gravity acting on each of the molds 8 and 8'is associated with the corresponding suspension locking portions 261 and 261 '. A moment is generated around them, causing the pair of molds 8, 8'to be under each other at their bottom. Try to open. At this time, in the above embodiment, the mold opening rule of the hanging tool 262 is set. The control portion 267 engages with the respective side portions of the both suspension locking portions 261 and 261 'to engage the pair of gold Since the molds 8 and 8'are prevented from opening, the mold 8 can be used without using a special opening preventive tool. , 8'can be prevented from opening. In FIG. 27 (B), each suspension locking part 261 and 261 'has Molds located inside the individual centers of gravity G1 and G2 of the molds 8 and 8 ', and outside the hanging tool 262. The opening regulating portion 267 engages with the outer side portions of the corresponding suspension locking portions 261 and 261 '. In this state, the opening of the pair of molds 8 and 8'is prevented. In addition, FIG. 27 (C) Is the outside of the individual center of gravity G1, G2 of each mold 8, 8 '. Located on the outer side of the hanging tool 262 and the inner side of the die opening regulation portion 267A. Each of the portions 267B corresponds to the outer side portion and the inner portion of the suspension locking portions 261 and 261 '. State that engages with each of the side portions on one side to prevent the pair of molds 8 and 8 ′ from opening Is.

[0074]

[Effect of device]

  As described above, according to the present invention, the mold mounting plate side pipe line and the mold side pipe line are When connecting the mold to the mounting plate and making a compact connection at the same time, Continuation workability can be simplified, and mold replacement workability can be improved.

[Brief description of drawings]

FIG. 1 is a plan view of a rotary blow molding machine showing an embodiment of the present invention.

FIG. 2 is a side view of an extruder of the blow molding machine.

FIG. 3 is a front view of the extruder.

FIG. 4 is a rear view of the extruder.

FIG. 5 is a plan view of a parison cutting device of the blow molding machine.

6 is a sectional view taken along line VI-VI in FIG.

FIG. 7 is a side view showing a part of the parison cutting device in section.

FIG. 8 is a side view of a mold clamping device of the blow molding machine.

FIG. 9 is a front view of a burr shape correcting mechanism of the blow molding machine.

FIG. 10 is a plan view of the burr shape correcting mechanism.

FIG. 11 is a side view of a molded product take-out device of the blow molding machine.

FIG. 12 is a side view of an upper burr grip and take-out mechanism of a molded product take-out device of the blow molding machine.

13 is a sectional view taken along line XIII-XIII in FIG.

FIG. 14 is a front view of the above-described burr gripping and taking out mechanism.

FIG. 15 is a plan view of a suction gripping conveyance mechanism of the molded product take-out apparatus.

FIG. 16 is a side view of the suction gripping and conveying mechanism.

FIG. 17 is a front view of the suction gripping and conveying mechanism.

FIG. 18 is an enlarged side view of a mold clamping device of the blow molding machine.

FIG. 19 is a side view of an extruder according to another embodiment.

FIG. 20 is a side view of a mold provided with the same pre-sealing device.

FIG. 21 is a cross-sectional view showing a mold having the blow device and the ejector device built therein.

FIG. 22 is a perspective view showing a process of mounting the mold on the mold mounting plate.

FIG. 23 is a perspective view showing a completed mounting state of the mold on the mold mounting plate.

FIG. 24 is a perspective view showing the mold mounting plate.

FIG. 25 is a schematic view showing the same mold.

FIG. 26 is a schematic view showing the mold pipe connection structure.

FIG. 27 is a schematic diagram showing the same metal mold hanging structure.

[Explanation of symbols]

1 Blow Molding Machine 2 Parison 8, 8'Mold 10 Extruders 103, 103 ', Movable Plates (Mold Mounting Plates) 231-244 Pipelines 231A, 233A, 235A, 237A, 239A,
241A, 243A male connecting pipes 232A, 234A, 236A, 238A, 240A,
242A, 244A female connection part 245 O-ring (sealing material)

Claims (3)

[Scope of utility model registration request] 1. A mold pipeline connection structure for a molding machine, wherein a pipeline provided on a mold mounting plate and a pipeline provided on a mold are connected to each other while the mold is mounted on the mold mounting plate. In, a connecting end of one of the pair of conduits connected to each other is a male connecting portion, a connecting end of the other conduit is a female connecting portion, and both connecting portions are connected via a sealing material. A mold pipe line connection structure for a molding machine, characterized in that it can be fitted together. 2. The mold mounting plate and the mold have a plurality of pairs of pipe lines, and the connecting direction of the male connecting part and the female connecting part in each pipe line pair is between these pipe line pairs. Claim 1 in the same direction
Mold line connection structure for the molding machine described. 3. The male connecting portion is constituted by a mold mounting plate or a connecting pipe flexibly planted in the mold.
Mold line connection structure for the molding machine described.