CN1400090A - Full-automatic plastic bottole pulling, blowing and forming machine - Google Patents

Abstract

The full-automatic plastic bottle pulling-blowing forming machine includes machine frame, tube blank conveying device, charging device, steering inserting device, heating device and bottle-taking-off device, and is characterized by that said conveying device has a fixed slideway, on the slideway a through-channel circular run way is set, and the interior of the run way is equipped with holders capable of moving along the run way and these holders are closely connected together, said conveying device also has a driving wheel for driving holders and making them move forwards, and every holder possesses a roller matched with run way, on the roller a tube blank seat is set, and the lower end of the tube blank seat is equipped with an autorotation chain wheel meshes with an autorotation chain driven by chain wheel.

Description

Full-automatic plastic bottole pulling, blowing and forming machine

The stretch blow that the present invention relates to plastic containers is shaped, and particularly makes the former of hollow plastic container with parison.

Make at present the equipment of plastic containers with parison, the preheating that separates as preheating and stretch blow moulding and the device of stretch blow device or preheating and stretch blow moulding unification, it carries the device of parison to adopt ring chain more, transmission is not steady, and noise is big, processed complex, the cost height, maintaining is difficult for, and in addition, the material loading of make-up machine mostly is craft or manipulator material loading, manual material loading labour intensity is big, can not satisfy the requirement of high-speed production, the manipulator material loading is the machine complex structure then, the cost height.

The purpose of this invention is to provide a kind of pipe clamper that adopts annular slide track and move on annular slide track, carry pipe and omit chain, simple in structure, cost is low, and maintenance is easy, the full automatic plastic bottle drawing-blowing forming machine that production efficiency is high.

The objective of the invention is to realize that by following technical scheme a kind of full-automatic plastic bottole pulling, blowing and forming machine has frame, blank conveyer device, feeding device turns to the insertion device, heater, clamping, Stretch and Blow Mechanism, discharging device is characterized in that; Said blank conveyer device comprises the slide rail that is fixed in frame, annular slide track on the slide rail, the pipe clamper that is abutted against mutually that can move along slideway is housed in the annular slide track, promote driving wheel and main power source that the pipe clamper advances, the rotation chain, support the sprocket wheel and the spinning motor of rotation chain and its rotation of drive, said pipe clamper has to match with slideway and merges pulley along its slip, the pipe blank seat that there is through hole at rotating center is housed on the pulley, be connected in the pipe blank seat lower end from rotary chain wheel, be meshed with said rotation chain from rotary chain wheel.

Full-automatic plastic bottole pulling, blowing and forming machine of the present invention, its blank conveyer device adopts the pipe clamper that slides and pipe is delivered to each station in the annular slide track of slide rail, do not need chain, the rotation of pipe blank seat is driven by the rotation chain and realizes, therefore simple in structure, cost is low, and maintenance is easy, so the production efficiency height.

Below in conjunction with drawings and Examples, full-automatic plastic bottole pulling, blowing and forming machine of the present invention is explained in detail.

Fig. 1 is the structural representation of facing of full-automatic plastic bottole pulling, blowing and forming machine of the present invention;

Fig. 2 is the plan structure schematic diagram of this full-automatic plastic bottole pulling, blowing and forming machine along A-A face among Fig. 1, and shows the structure of blank conveyer device;

Fig. 3 is the pipe clamper sectional structure schematic diagram (turn clockwise 90 °) of this full-automatic plastic bottole pulling, blowing and forming machine along C-C face among Fig. 2;

Fig. 4 is the cutaway view of this full-automatic plastic bottole pulling, blowing and forming machine along the pipe collating unit of B-B face among Fig. 1;

Fig. 5 is the structural representation that inserts device that turns to of this full-automatic plastic bottole pulling, blowing and forming machine;

Fig. 6 is the sectional structure schematic diagram of this full-automatic plastic bottole pulling, blowing and forming machine along E-E face among Fig. 5;

Fig. 7 is the sectional structure schematic diagram of the discharging device of this full-automatic plastic bottole pulling, blowing and forming machine along F-F face among Fig. 1;

Fig. 8 be this full-automatic plastic bottole pulling, blowing and forming machine along H among Fig. 7 to the vertical view of discharging device.

As Fig. 1; 2; this full-automatic plastic bottole pulling, blowing and forming machine comprises frame 1; feeding device 3 is housed on the frame; turn to and insert device 8; blank conveyer device 9; heater 7; clamping 14; Stretch and Blow Mechanism 15; discharging device 12; turn to insertion device 8 to match with feeding device 3; also has atmospheric control 11; temperature adjustment blower fan 13; said blank conveyer device 9 comprises the slide rail 17 that is fixed on the frame 1; have the annular slide track 18 of channel-type on the slide rail 17; channel-type annular slide track 18 can be the wide annular through groove that communicates up and down; having in the annular slide track 18 can be along the pipe clamper 20 of slideway slip; as Fig. 3; pipe clamper 20 is by pulley 22; the pipe blank seat 29 that there is through hole 31 (using for stretch-blow) at rotating center is housed on the pulley; with forming that pipe blank seat 29 lower ends are connected from rotary chain wheel 32; be meshed with rotation chain 33 from rotary chain wheel 32; pipe 10 is sitting on the pipe blank seat 29; pipe blank seat can have the axle that matches with the hole of openend pipe 10 that stretch out as prior art; pipe is enclosed within on this axle and is connected with pipe blank seat; preferably as shown in Figure 3; pipe blank seat 29 upper ends have shrinkage pool 28; shrinkage pool 28 is built-in with overcoat 27; it has the hole of matching with the openend cylindrical and the boss 26 of pipe 10; wherein be connected and the openend of pipe can be put into pipe blank seat 29; the pipe openend is heated in the time of can avoiding preheating like this; cover 25 in the upper end of the inside of overcoat 27 and pipe blank seat 29 can also be equipped with; it is loaded in the through hole 31 of pipe blank seat 29 and has the external part that cooperates with pipe opening stomidium; can make pipe more stable; in the shrinkage pool 28 of pipe blank seat 29 upper ends with on the mating surface of overcoat 27, seal washer 30 is arranged; to reach the sealing function when the blowing; on pulley 22, have cannelure 36; its internal diameter equates with the width of annular slide track 18; the width of groove 36 then equates with the thickness of slide rail 17; so pulley 22 can be contained in the annular slide track and along its slip and rotation; adjacent pulleys is abutted against mutually to keep the spacing of adjacent clamper during slip; so its external diameter should be greater than the external diameter of the plastic bottle of desire stretch blow shaping; the dismounting of slide rail 17 sectionals; so that pulley 22 is installed; pulley 22 is driven advancing of intermittence and is arrived each station by cylindrical toothed wheel 19; driving wheel is then driven by main power source; its tooth is meshed with each pulley, and rotation chain 32 is then supported by sprocket wheel 35 and driven by spinning motor 34.

Said feeding device 3 is by hopper 2, elevator 4, pipe collating unit 5, inclined ramp 6 is formed (Fig. 1), hopper 2 has the discharging opening of a horizontal direction, with dropping on the elevator 4 under the hopper of pipe major axis along continuous straight runs, elevator is one to have the conveyer belt of the plate washer of horizontal direction, pipe is blocked by plate washer and is with to a high position, fall into the pipe collating unit 5 of elevator under high-end then, the pipe collating unit also is a hopper, but length direction and inclined ramp 6 length directions long discharging opening are in the same way arranged at the bottom, there is inclined ramp 6 pipe collating unit 5 belows, inclined ramp 6 is two bars that parallel 41 and has constant slope that pipe can be slided to turn to and insert device 8, pipe 10 is with axially and bar 41 length directions dropping between two bars 41 in the same way, what opening made progress by its blind end weight is big is held on the bar 41 by 26 of boss, hopper 2, elevator 4, pipe collating unit 5 and inclined ramp 6 all can adopt prior art, for the gradient that makes inclined ramp less, and gliding speed is even, inclined ramp preferably adopts the structure as Fig. 4, bar 41 is the bar of circular section, parallel and pipe collating unit 5 ends of two bars are higher than to turn to and insert device 8 ends, pipe can be glided, the spacing of two bars 41 be slightly larger than pipe 10 blind end body caliber and less than the external diameter of the boss 26 of pipe openend, the same end of two bars has sprocket wheel 42, is walked around the opposite side of two sprocket wheels and is made its backward rotation by the chain 43 that motor 40 drives, thereby easy downslide of the pipe of frame on bar also is close to mutually.

Said turning to inserted device 8 as Fig. 5 and Fig. 6, form by steering mechanism 50 and insertion mechanism 51, steering mechanism 50 is positioned at the low side below of inclined ramp 6, its rotary cylinder 61 is fixed on the frame 1 by support 65, the rotating shaft of rotary cylinder 61 is connected with swivel plate 57 by a contiguous block 60, be fixed with on the swivel plate 57 and decide clamp 56 and clamp cylinder 59, can move clamp 58 in axial sliding in addition on the swivel plate 57, moving clamp 58 links to each other with the moved end that clamps cylinder 59, decide clamp 56 and moving clamp 57 and can clamp the pipe 10 that slides from inclined ramp, when sliding, pipe puts in place, then clamping cylinder 59 action will move clamp 58 and to deciding clamp 56 to move the pipe lower end be clamped, rotary cylinder 61 Rotate 180s ° (as Fig. 5 arrow G) then, then pipe can be taken out on inclined ramp and make openend downward, 59 actions of clamping cylinder make clamp 58, and pipe falls into the opening that inserts mechanism 51 upper ends away from deciding clamp 56, insert mechanism 51 comprise by support 65 fixing decide plate 64, be parallel to the moving plate 63 of deciding plate, moving plate 63 is driven and is regulated and the distance of deciding plate by the cylinder 62 that is fixed in frame 1, the plate side of deciding relatively of moving plate has guide surface 52 and the slideway 54 that slides respectively and locate for pipe, the spacing of slideway 54 should equate with the spacing of clamper and its quantity should equate with each quantity that goes up base, the position of slideway 54 should align with the stop position of clamper, on support 65, also be fixed with rotary cylinder 66, the depression bar 67 identical with last base quantity arranged on its rotating shaft, depression bar 67 is by stretching into slideway 54 in the corresponding groove 68 of deciding plate 64, when pipe falls into insertion mechanism, moving plate 63 should be in and stretch out (with deciding the distance between plates minimum) position, then pipe slips into slideway 54 along guide surface 52 respectively and is sitting on the clamper 20, rotary cylinder 66 action this moment is rotated depression bar 67 and pipe is pressed to guarantee that pipe is sitting on the clamper, and said rotary cylinder all can adopt the oscillating cylinder series of products as Japanese pneumatic company (SMC).

Said discharging device 12, can adopt prior art, as the method for blowing is with the bottle clamper that blows off, the discharging device that preferably adopts following structure is (as Fig. 7,8), it comprises the rotary cylinder 70 that is fixed on the frame 1, be connected with axle 71 on its turning cylinder, being fixed with on the axle 71 can be with the swivel plate 77 of axle 71 rotations, can hold the ∏ shape framework 75 that bottle 76 that stretch blow is shaped passes through is connected with swivel plate 77, the bottle 76 that is shaped by in the middle of the ∏ shape of ∏ shape framework by and be parked in therebetween, lower end at ∏ shape framework, has fixing plate washer 73, be fixed with gripper cylinder 72 above the swivel plate 77, the moved end of gripper cylinder 72 is connected with chuck 78, the position of plate washer 73 and chuck 78 matches and merges bottleneck 74 places that are positioned at bottle 76, after stretching out, this bottleneck 74 should be clamped chuck 78, when getting bottle, ∏ shape framework 75 should forward bottle position of getting of bottle in advance to, and gripper cylinder 72 withdrawals, when the bottle of desiring to get bottle arrive get bottle position after, the chuck 78 of gripper cylinder 72 moved ends stretches out, and the bottleneck of bottle is clamped, rotary cylinder 70 action makes ∏ shape framework 75 Rotate 180s ° and bottle is taken off and produces on clamper 20, gripper cylinder 72 withdrawals can be decontroled bottle, bottle falls, and rotary cylinder 70 actions are got back to ∏ shape framework and got a bottle position.

Present embodiment is an example with molded three bottles, can certainly a molded 1-4 or a plurality of bottle.Certainly, this conveying device can be used in the pipe preheating device too.

Full-automatic plastic bottole pulling, blowing and forming machine of the present invention, owing to adopt the pipe clamper that in slideway, slides, do not need chain, simple in structure, maintenance can be furnished with to turn to and insert device 8 easily simultaneously, feeding device 3, discharging device 12, thereby the automaticity of complete machine is improved, can boost productivity.

Claims (7)

1, a kind of full-automatic plastic bottole pulling, blowing and forming machine has frame (1), blank conveyer device (9), and feeding device (3) turns to and inserts device (8), heater (7), clamping (14), Stretch and Blow Mechanism (15), discharging device (12) is characterized in that; Said blank conveyer device comprises the slide rail (17) that is fixed in frame (1), annular slide track (18) on the slide rail (17), the pipe clamper (20) that is abutted against mutually that can move along slideway is housed in the annular slide track (18), promote the driving wheel (19) that clamper advances, main power source, rotation chain (33), support the sprocket wheel (35) and the spinning motor (34) of rotation chain (33) and its rotation of drive, merging that said clamper (20) has and slideway (18) matches is along the pulley (22) of its slip, the pipe blank seat (29) that there are through hole (31) at rotating center is housed on the pulley (22), be connected in pipe blank seat (29) lower end from rotary chain wheel (32), be meshed with said rotation chain (33) from rotary chain wheel (32).

2, full-automatic plastic bottole pulling, blowing and forming machine as claimed in claim 1, it is characterized in that having the width that the internal diameter that matches with annular slide track (18) equals annular slide track (18) on the cylindrical of said pulley (22), groove width equals the cannelure (36) of the thickness of slide rail (17).

3, full-automatic plastic bottole pulling, blowing and forming machine as claimed in claim 1 or 2, it is characterized in that having shrinkage pool (28) on the said pipe blank seat (29), overcoat (27) is arranged in the shrinkage pool, have the hole of matching in the overcoat (27) with the openend cylindrical and the boss (26) of pipe (10).

4, full-automatic plastic bottole pulling, blowing and forming machine as claimed in claim 1 or 2 is characterized in that said turning to insert device (8) by steering mechanism 50 with insert mechanism (51) and form;

Said steering mechanism (50) comprises is fixed in the support (65) of low side that frame (1) is positioned at the inclined ramp (6) of feeding device (3), the rotary cylinder (61) that links to each other with support (65), the rotating shaft of rotary cylinder (61) is connected by a contiguous block (60) and swivel plate (57), be fixed with on the swivel plate (57) and decide clamp (56) and clamp cylinder (59), the moved end that clamps cylinder (59) is connected with and can goes up the moving clamp (58) that slides at swivel plate (57);

Said insertion mechanism (51) comprise be fixed in support (65) decide plate (64), be parallel to decide driving of plate (64) by the cylinder that is fixed in frame (1) (62) can be relative to deciding the moving plate (63) that plate moves, the side that moving plate is decided plate relatively has guide surface (52) and slideway (54).

5, full-automatic plastic bottole pulling, blowing and forming machine as claimed in claim 4, it is characterized in that being fixed with on the said support (65) rotary cylinder (66), be connected in the depression bar (67) of the turning cylinder of rotary cylinder, saidly decide to have on the plate (64) voltage supply bar (67) to stretch into the groove (68) of slideway (54).

6, full-automatic plastic bottole pulling, blowing and forming machine as claimed in claim 1 or 2, it is characterized in that said feeding device (3) is by hopper (2), elevator under the hopper (4), pipe collating unit (5) under elevator is high-end, inclined ramp under the pipe collating unit (6) is formed, said inclined ramp (6) comprises the bar (41) of two inclinations that parallel, bar (41) is the circular section, the spacing of bar is slightly larger than the caliber of the blind end of pipe (10), the same end of bar (41) respectively is fixed with sprocket wheel (42), is walked around the opposite side of sprocket wheel (42) by the chain (43) of motor (40) drive.

7, full-automatic plastic bottole pulling, blowing and forming machine as claimed in claim 1 or 2, it is characterized in that said discharging device (12) comprises the rotary cylinder (70) that is fixed on the frame (1), be connected with axle (71) on the rotating shaft of rotary cylinder (70), being fixed with on the axle (71) can be with the swivel plate (77) of axle (71) rotation, the ∏ shape framework (75) that the held bottle (76) that is connected with swivel plate (77) passes through, the lower end of ∏ shape framework is fixed with plate washer (73), be fixed in the gripper cylinder (72) on the swivel plate (77), the moved end of gripper cylinder is connected with chuck (78), and chuck (78) matches with plate washer (73) and merges the position of the bottleneck (74) that is positioned at bottle (76).

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