阅读说明：本技术 一种吹塑机 (Blow molding machine ) 是由 孙海琴 刘斌 于 2021-05-31 设计创作，主要内容包括：本发明公开了一种吹塑机,包括安装板、设于所述安装板上的挤塑机和模具,所述安装板上设有第一连接板,所述第一连接板上设有第一活动块,所述模具设于所述第一活动块上；所述第一连接板下方设有第一连接管,所述第一连接管上可转动连接有第二连接管,所述第一连接管与一气泵相连；所述第一连接管下方设有第二连接板,所述第二连接板上设有载料板,所述第二连接板上设有切刀,所述第二连接板一侧设有导料板；通过第二连接管的转动,使塑料瓶的底部直接置于载料板上,以便自动对塑料瓶底部的废料做处理,使塑料瓶在成型后即可自动的去除底部废料,无需借助人工再对塑料瓶上的废料做处理,降低塑料瓶生产过程的人工成本,提升塑料瓶的生产效率。(The invention discloses a blow molding machine, which comprises a mounting plate, a plastic extruding machine and a mold, wherein the plastic extruding machine and the mold are arranged on the mounting plate; a first connecting pipe is arranged below the first connecting plate, a second connecting pipe is rotatably connected to the first connecting pipe, and the first connecting pipe is connected with an air pump; a second connecting plate is arranged below the first connecting pipe, a material carrying plate is arranged on the second connecting plate, a cutter is arranged on the second connecting plate, and a material guide plate is arranged on one side of the second connecting plate; through the rotation of second connecting pipe, make the bottom of plastic bottle directly arrange in on carrying the flitch to automatically do the processing to the waste material of plastic bottle bottom, make the plastic bottle can be automatic after the shaping get rid of bottom waste material, need not to do the processing to the waste material on the plastic bottle again with the help of the manual work, reduce the cost of labor of plastic bottle production process, promote the production efficiency of plastic bottle.)

1. A blow molding machine comprises a mounting plate (1), and an extruding machine (11) and a mold (21) which are arranged on the mounting plate (1), wherein a first connecting plate (12) is arranged on the mounting plate (1), a first movable block (2) is arranged on the first connecting plate (12), and the mold (21) is arranged on the first movable block (2); the method is characterized in that: a first connecting pipe (32) is arranged below the first connecting plate (12), a second connecting pipe (3) is rotatably connected to the first connecting pipe (32), and the first connecting pipe (32) is connected with an air pump; a second connecting plate (4) is arranged below the first connecting pipe (32), a material loading plate (41) is arranged on the second connecting plate (4), a cutter (431) is arranged on the second connecting plate (4), and a material guide plate (13) is arranged on one side of the second connecting plate (4).

2. A blow molding machine according to claim 1, characterized in that: a third connecting pipe (33) penetrates through the second connecting pipe (3), one end of the third connecting pipe (33) is provided with a limiting ring (333), the bottom of the limiting ring (333) is provided with a first connecting spring (331), the inner wall of the second connecting pipe (3) is provided with a third connecting plate (35), and one end of the first connecting spring (331) is fixedly connected to the third connecting plate (35); a first movable groove is formed in the inner wall of the third connecting pipe (33), a first sealing plate (332) is arranged in the first movable groove, and when the limiting ring (333) moves to the top of the second connecting pipe (3), the first sealing plate (332) moves into the first movable groove.

3. A blow molding machine according to claim 2, characterized in that: a second connecting spring (3322) is arranged on the side wall of the first sealing plate (332), one end of the second connecting spring (3322) is fixedly connected to the inner wall of the first movable groove, a second movable groove is arranged at the top of the first movable groove, a first limiting block (3310) is arranged in the second movable groove, and a third connecting spring (33101) is arranged on the first limiting block (3310); be equipped with on spacing ring (333) with the communicating first transmission chamber in second activity groove, first transmission chamber top is equipped with the third activity groove, wear to be equipped with first ejector pad (3330) in the third activity inslot, swing joint has fourth connecting plate (3340) on first ejector pad (3330), fourth connecting plate (3340) other end swing joint in on first stopper (3310), fourth connecting plate (3340) middle part rotatable coupling in the first transmission intracavity.

4. A blow molding machine according to claim 3, characterized in that: a fourth movable groove is formed in one side of the first movable groove, a second movable block (338) is arranged in the fourth movable groove, a guide groove is formed in the second movable block (338), a fifth connecting plate (3321) is arranged on the first sealing plate (332), and a first through groove matched with the fifth connecting plate (3321) is formed in the side wall of the fourth movable groove; one end of the second movable block (338) is provided with a rubber pad; the fourth activity inslot wall be equipped with the communicating fifth activity groove in first transmission chamber, be equipped with first push rod (339) in the fifth activity inslot, be equipped with sixth connecting plate (33102) on first stopper (3310).

5. A blow molding machine according to claim 4, characterized in that: a first sliding groove is formed in the first push rod (339), a first sliding block (3381) matched with the first sliding groove is arranged on the side wall of the second movable block (338), a sixth movable groove is formed in the inner wall of the first sliding groove, a first limiting spring (3392) is arranged in the sixth movable groove, a second limiting block (3391) is arranged at one end of the first limiting spring (3392), and a chute is formed in the top of the second limiting block (3391); be equipped with the third spout on first push rod (339) lateral wall, be equipped with the third slider in the third spout, be equipped with second slider (3393) on the third slider, be equipped with on the fifth movable groove inner wall with second slider (3393) matched with second spout, be equipped with first supporting spring on the third slider, be equipped with first connecting rope on second stopper (3391), first connecting rope one end link firmly in on the third slider.

6. A blow molding machine according to claim 2, characterized in that: a seventh movable groove is formed in the side wall of the third connecting pipe (33), a fourth connecting spring (3341) is arranged in the seventh movable groove, a fixed block (334) is arranged at one end of the fourth connecting spring (3341), a first through cavity is formed in the bottom of the seventh movable groove, a first movable cavity is formed in the side wall of the first through cavity, a first baffle (335) is arranged in the first movable cavity, a second through groove is formed in the first baffle (335), a second supporting spring (3351) is arranged at the bottom of the first baffle (335), an eighth movable groove is formed in the top of the first movable cavity, and a second push block (3352) matched with the eighth movable groove is arranged at the top of the first baffle (335); the improved sealing structure is characterized in that a second movable cavity is arranged below the first movable cavity, a second baffle (3320) is arranged in the second movable cavity, a fifth connecting spring is arranged on the side wall of the second baffle (3320), a second connecting rope is arranged on the second baffle (3320), and one end of the second connecting rope is fixedly connected to the first sealing plate (332).

7. A blow molding machine according to claim 1, characterized in that: the bottom of the limiting ring (333) is provided with a cavity, a rubber film (337) is arranged on the side wall of the cavity, a bottom plate (336) is arranged at the bottom of the cavity, a through hole is formed in the bottom plate (336), a first connecting rod (3361) penetrates through the through hole, a second sealing plate (3362) is arranged at the top of the first connecting rod (3361), a first push plate (3363) is arranged at the bottom of the cavity, a first reset spring (3364) is arranged on the first push plate (3363), a plurality of third through grooves are formed in the bottom plate (336), and a plurality of cushion blocks (3365) are arranged at the bottom of the second sealing plate (3362); the novel connecting pipe is characterized in that an electromagnetic valve (34) is arranged in the third connecting pipe (3), a first connecting block (341) is arranged on the electromagnetic valve (34), a second push rod (342) is arranged on the first connecting block (341), and a tenth movable groove matched with the second push rod (342) is formed in the inner wall of the second connecting pipe (3).

8. A blow molding machine according to claim 1, characterized in that: the material carrying plate (41) is provided with a clamping jaw (412), the second connecting plate (4) is provided with a third through groove, and the material carrying plate (41) is provided with a fourth through groove matched with the third through groove; a second connecting block (42) is arranged on the second connecting plate (4), a groove matched with the second connecting block (42) is formed in the bottom of the material carrying plate (41), a first mounting groove is formed in the second connecting block (42), a first motor (421) is arranged in the first mounting groove, a third connecting block (411) is arranged on the material carrying plate (41), a second transmission cavity is formed in the third connecting block (411), a second through cavity is formed in the second transmission cavity, a transmission shaft (413) matched with the first motor (421) is arranged in the second transmission cavity, and a third push rod (414) matched with the transmission shaft (413) penetrates through the second through cavity; and a third limiting block matched with the second connecting plate (41) is arranged on the second connecting block (42).

9. A blow molding machine according to claim 1, characterized in that: a fourth sliding block (23) is arranged on the first movable block (2), a fourth sliding groove matched with the fourth sliding block (23) is arranged on the first connecting plate (12), a second mounting groove is arranged on the first connecting plate (12), a mounting block (22) is arranged in the second mounting groove, the mold (21) is arranged on the mounting block (22), a fifth sliding groove is arranged on the mounting block (22), a fifth sliding block (211) is arranged at the bottom of the mold (21), and a second reset spring (212) is arranged on the fifth sliding block (211); a fourth connecting block (221) is arranged on the side wall of the mounting block (22), and a connecting groove matched with the fourth connecting block (221) is arranged on the side wall of the second mounting groove; the bottom of the first movable block (2) is provided with a fifth connecting block (24), an eleventh movable groove is formed in the fifth connecting block (24), a sixth connecting spring (241) is arranged in the eleventh movable groove, and a fourth limiting block (242) is arranged at the top end of the sixth connecting spring (241).

10. A blow molding machine according to claim 2, characterized in that: one end of the second connecting pipe (3) penetrates through the first connecting pipe (32), a second motor (321) is arranged on the first connecting pipe (32), and a driving wheel (322) matched with the second connecting pipe (3) is arranged on an output shaft of the second motor (321); a third mounting groove is formed in the second connecting plate (4), a sixth connecting block (43) is arranged in the third mounting groove, and the cutter (431) is arranged on the sixth connecting block (43); a material receiving box (14) is arranged below the third mounting groove; the material guide plate (13) is obliquely arranged.

Technical Field

The invention belongs to the technical field of plastic processing, and particularly relates to a blow molding machine.

Background

The plastic bottle is a plastic container which is formed by using Polyester (PETG), Polyethylene (PE) and polypropylene (PP) as raw materials, adding corresponding organic solvents, heating at high temperature, and performing bottle blank blow molding, extrusion blow molding or injection molding through a plastic mold. The plastic bottle is mainly used for liquid or solid disposable plastic packaging containers of beverages, foods, pickles, honey, dried fruits, edible oil, agricultural and veterinary drugs and the like.

In the process of manufacturing the plastic bottle by adopting the extrusion blow molding process, firstly, the plastic tube strip is molded by adopting an extruding machine and cut into the plastic tube strip with the proper length suitable for the processing of the blow molding machine, then the plastic tube strip is put into a mold of the blow molding machine for blow molding, and finally, the plastic tube strip is taken out from the mold to separate the product and the waste. When the plastic bottle is taken out of the mold, the bottom of the plastic bottle is usually connected with waste materials, the waste materials at the bottom of the plastic bottle are generally cut off in a manual mode after the plastic bottle is taken out of the blow molding machine, the labor cost is increased through the process, and meanwhile, the production efficiency of the plastic bottle is reduced.

Disclosure of Invention

The invention provides a blow molding machine for overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a blow molding machine comprises a mounting plate, a plastic extruding machine and a mold, wherein the plastic extruding machine and the mold are arranged on the mounting plate; a first connecting pipe is arranged below the first connecting plate, a second connecting pipe is rotatably connected to the first connecting pipe, and the first connecting pipe is connected with an air pump; a second connecting plate is arranged below the first connecting pipe, a material carrying plate is arranged on the second connecting plate, a cutter is arranged on the second connecting plate, and a material guide plate is arranged on one side of the second connecting plate; after the plastic pipe belt is extruded by the plastic extruding machine, the first movable block drives the mold to move to the position below the plastic extruding machine, the plastic pipe belt is clamped into the mold, the first movable block drives the mold to move to the position above the second connecting pipe, the second connecting pipe is inserted into the mold, the air pump blows air into the plastic pipe belt through the second connecting pipe, and the plastic bottle is molded in the mold; after the plastic bottle is cooled, the mold is opened, the second connecting pipe drives the plastic bottle to turn over for 180 degrees, the plastic bottle is placed on the material carrying plate after rotating, the second connecting pipe is separated from the plastic bottle, the material carrying plate drives the plastic bottle to move forwards, the plastic bottle passes through the top of the cutter, waste materials at the bottom of the plastic bottle are directly contacted with the cutter, the waste materials at the bottom of the plastic bottle are cut off under the action of the cutter, and the waste materials at the bottom of the plastic bottle are automatically treated; after the plastic bottles completely pass through the top of the cutter, the plastic bottles on the material carrying plate are placed on the material guide plate, and finished plastic bottles are taken out of the plastic extruding machine along the material guide plate so as to be collected; through the rotation of second connecting pipe, make the bottom of plastic bottle directly arrange in on carrying the flitch to automatically do the processing to the waste material of plastic bottle bottom, make the plastic bottle can be automatic after the shaping get rid of bottom waste material, need not to do the processing to the waste material on the plastic bottle again with the help of the manual work, reduce the cost of labor of plastic bottle production process, promote the production efficiency of plastic bottle.

A third connecting pipe penetrates through the second connecting pipe, a limiting ring is arranged at one end of the third connecting pipe, a first connecting spring is arranged at the bottom of the limiting ring, a third connecting plate is arranged on the inner wall of the second connecting pipe, and one end of the first connecting spring is fixedly connected to the third connecting plate; and a first movable groove is formed in the inner wall of the third connecting pipe, a first sealing plate is arranged in the first movable groove, and when the limiting ring moves to the top of the second connecting pipe, the first sealing plate moves into the first movable groove.

A second connecting spring is arranged on the side wall of the first sealing plate, one end of the second connecting spring is fixedly connected to the inner wall of the first movable groove, a second movable groove is arranged at the top of the first movable groove, a first limiting block is arranged in the second movable groove, and a third connecting spring is arranged on the first limiting block; the limiting ring is provided with a first transmission cavity communicated with the second movable groove, the top of the first transmission cavity is provided with a third movable groove, a first push block is arranged in the third movable groove in a penetrating mode, the first push block is movably connected with a fourth connecting plate, the other end of the fourth connecting plate is movably connected to the first limiting block, and the middle of the fourth connecting plate is rotatably connected to the inside of the first transmission cavity.

A fourth movable groove is formed in one side of the first movable groove, a second movable block is arranged in the fourth movable groove, a guide groove is formed in the second movable block, a fifth connecting plate is arranged on the first sealing plate, and a first through groove matched with the fifth connecting plate is formed in the side wall of the fourth movable groove; one end of the second movable block is provided with a rubber pad; and a fifth movable groove communicated with the first transmission cavity is formed in the inner wall of the fourth movable groove, a first push rod is arranged in the fifth movable groove, and a sixth connecting plate is arranged on the first limiting block.

A first sliding groove is formed in the first push rod, a first sliding block matched with the first sliding groove is arranged on the side wall of the second movable block, a sixth movable groove is formed in the inner wall of the first sliding groove, a first limiting spring is arranged in the sixth movable groove, a second limiting block is arranged at one end of the first limiting spring, and a chute is formed in the top of the second limiting block; the first sliding groove is arranged on the side wall of the first push rod, a third sliding block is arranged in the third sliding groove, a second sliding block is arranged on the third sliding block, a second sliding groove matched with the second sliding block is arranged on the inner wall of the fifth movable groove, a first supporting spring is arranged on the third sliding block, a first connecting rope is arranged on the second limiting block, and one end of the first connecting rope is fixedly connected to the third sliding block.

A seventh movable groove is formed in the side wall of the third connecting pipe, a fourth connecting spring is arranged in the seventh movable groove, a fixed block is arranged at one end of the fourth connecting spring, a first through cavity is formed in the bottom of the seventh movable groove, a first movable cavity is formed in the side wall of the first through cavity, a first baffle is arranged in the first movable cavity, a second through groove is formed in the first baffle, a second supporting spring is arranged at the bottom of the first baffle, an eighth movable groove is formed in the top of the first movable cavity, and a second push block matched with the eighth movable groove is arranged at the top of the first baffle; a second movable cavity is arranged below the first movable cavity, a second baffle is arranged in the second movable cavity, a fifth connecting spring is arranged on the side wall of the second baffle, a second connecting rope is arranged on the second baffle, and one end of the second connecting rope is fixedly connected to the first sealing plate.

The bottom of the limiting ring is provided with a cavity, a rubber film is arranged on the side wall of the cavity, a bottom plate is arranged at the bottom of the cavity, a through hole is formed in the bottom plate, a first connecting rod penetrates through the through hole, a second sealing plate is arranged at the top of the first connecting rod, a first push plate is arranged at the bottom of the first connecting rod, a first reset spring is arranged on the first push plate, a plurality of third through grooves are formed in the bottom plate, and a plurality of cushion blocks are arranged at the bottom of the second sealing plate; an electromagnetic valve is arranged in the third connecting pipe, a first connecting block is arranged on the electromagnetic valve, a second push rod is arranged on the first connecting block, and a tenth movable groove matched with the second push rod is arranged on the inner wall of the second connecting pipe.

The material carrying plate is provided with a clamping jaw, the second connecting plate is provided with a third through groove, and the material carrying plate is provided with a fourth through groove matched with the third through groove; a second connecting block is arranged on the second connecting plate, a groove matched with the second connecting block is formed in the bottom of the material carrying plate, a first mounting groove is formed in the second connecting block, a first motor is arranged in the first mounting groove, a third connecting block is arranged on the material carrying plate, a second transmission cavity is formed in the third connecting block, a second through cavity is formed in the second transmission cavity, a transmission shaft matched with the first motor is arranged in the second transmission cavity, and a third push rod matched with the transmission shaft penetrates through the second through cavity; and a third limiting block matched with the second connecting plate is arranged on the second connecting block.

A fourth sliding block is arranged on the first movable block, a fourth sliding groove matched with the fourth sliding block is arranged on the first connecting plate, a second mounting groove is arranged on the first connecting plate, a mounting block is arranged in the second mounting groove, the mold is arranged on the mounting block, a fifth sliding groove is arranged on the mounting block, a fifth sliding block is arranged at the bottom of the mold, and a second reset spring is arranged on the fifth sliding block; a fourth connecting block is arranged on the side wall of the mounting block, and a connecting groove matched with the fourth connecting block is arranged on the side wall of the second mounting groove; the connecting structure is characterized in that a fifth connecting block is arranged at the bottom of the first movable block, an eleventh movable groove is formed in the fifth connecting block, a sixth connecting spring is arranged in the eleventh movable groove, and a fourth limiting block is arranged at the top end of the sixth connecting spring.

One end of the second connecting pipe penetrates through the first connecting pipe, a second motor is arranged on the first connecting pipe, and a driving wheel matched with the second connecting pipe is arranged on an output shaft of the second motor; a third mounting groove is formed in the second connecting plate, a sixth connecting block is arranged in the third mounting groove, and the cutter is arranged on the sixth connecting block; a material receiving box is arranged below the third mounting groove; the material guide plate is obliquely arranged.

The invention has the following advantages: through the rotation of second connecting pipe, make the bottom of plastic bottle directly arrange in on carrying the flitch to automatically do the processing to the waste material of plastic bottle bottom, make the plastic bottle can be automatic after the shaping get rid of bottom waste material, need not to do the processing to the waste material on the plastic bottle again with the help of the manual work, reduce the cost of labor of plastic bottle production process, promote the production efficiency of plastic bottle.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a cross-sectional view taken along a-a in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view of fig. 4 at B.

Fig. 6 is an enlarged view of fig. 4 at C.

Fig. 7 is an enlarged view of fig. 6 at D.

Fig. 8 is a cross-sectional view taken along F-F in fig. 2.

Fig. 9 is an enlarged view of fig. 8 at E.

Fig. 10 is an enlarged view of fig. 9 at F.

Fig. 11 is a cross-sectional view taken along G-G in fig. 2.

Fig. 12 is an enlarged view at G in fig. 11.

Fig. 13 is an enlarged view of fig. 12 at H.

Fig. 14 is a right side view of the present invention.

Fig. 15 is a cross-sectional view taken along line B-B of fig. 14.

Fig. 16 is an enlarged view at I in fig. 15.

Fig. 17 is an enlarged view at J in fig. 15.

Fig. 18 is an enlarged view at K in fig. 16.

Fig. 19 is a cross-sectional view taken along line C-C of fig. 14.

Fig. 20 is an enlarged view at L in fig. 19.

Fig. 21 is an enlarged view of fig. 20 at M.

Fig. 22 is a cross-sectional view taken along line D-D of fig. 14.

Fig. 23 is an enlarged view of fig. 22 at N.

Fig. 24 is an enlarged view at O in fig. 22.

Fig. 25 is a cross-sectional view taken along line E-E of fig. 14.

Fig. 26 is an enlarged view at P in fig. 25.

Detailed Description

As shown in fig. 1-26, a blow molding machine includes a mounting plate 1, an extruding machine 11 disposed on the mounting plate 1, and a mold 21, the structure of the extruding machine is the same as that of the extruding machine in the prior art, the mold is used for shaping plastic bottles, a first connecting plate 12 is disposed on the mounting plate 1, a first movable block 2 is disposed on the first connecting plate 12, and the mold 21 is disposed on the first movable block 2; a first connecting pipe 32 is arranged below the first connecting plate 12, a second connecting pipe 3 is rotatably connected to the first connecting pipe 32, and the first connecting pipe 32 is connected with an air pump; a second connecting plate 4 is arranged below the first connecting pipe 32, a material carrying plate 41 is arranged on the second connecting plate 4, a cutter 431 is arranged on the second connecting plate 4, and a material guide plate 13 is arranged on one side of the second connecting plate 4; after the plastic pipe belt is extruded by the plastic extruding machine, the first movable block drives the mold to move to the position below the plastic extruding machine, the plastic pipe belt is clamped into the mold, the first movable block drives the mold to move to the position above the second connecting pipe, the second connecting pipe is inserted into the mold, the air pump blows air into the plastic pipe belt through the second connecting pipe, and the plastic bottle is molded in the mold; after the plastic bottle is cooled, the mold is opened, the second connecting pipe drives the plastic bottle to turn over for 180 degrees, the plastic bottle is placed on the material carrying plate after rotating, the second connecting pipe is separated from the plastic bottle, the material carrying plate drives the plastic bottle to move forwards, the plastic bottle passes through the top of the cutter, waste materials at the bottom of the plastic bottle are directly contacted with the cutter, the waste materials at the bottom of the plastic bottle are cut off under the action of the cutter, and the waste materials at the bottom of the plastic bottle are automatically treated; after the plastic bottles completely pass through the top of the cutter, the plastic bottles on the material carrying plate are placed on the material guide plate, and finished plastic bottles are taken out of the plastic extruding machine along the material guide plate so as to be collected; through the rotation of second connecting pipe, make the bottom of plastic bottle directly arrange in on carrying the flitch to automatically do the processing to the waste material of plastic bottle bottom, make the plastic bottle can be automatic after the shaping get rid of bottom waste material, need not to do the processing to the waste material on the plastic bottle again with the help of the manual work, reduce the cost of labor of plastic bottle production process, promote the production efficiency of plastic bottle.

A third connecting pipe 33 penetrates through the second connecting pipe 3, one end of the third connecting pipe 33 is provided with a limiting ring 333, the bottom of the limiting ring 333 is provided with a first connecting spring 331, the inner wall of the second connecting pipe 3 is provided with a third connecting plate 35, and one end of the first connecting spring 331 is fixedly connected to the third connecting plate 35; a first movable groove is formed in the inner wall of the third connecting pipe 33, a first sealing plate 332 is arranged in the first movable groove, and when the limiting ring 333 moves to the top of the second connecting pipe 3, the first sealing plate 332 moves into the first movable groove; under the arrangement of the limiting ring, the connecting effect of the second connecting pipe and the third connecting pipe is ensured, and the third connecting pipe is prevented from being separated from the second connecting pipe; after the mold moves above the second connecting pipe, the second connecting pipe drives the third connecting pipe to rotate, the third connecting pipe rotates to the bottom of the mold, the air pump introduces air into the first connecting pipe, the first sealing plate seals the third connecting pipe, the air pressure in the second connecting pipe is increased to push the third connecting pipe to move out of the second connecting pipe, the third connecting pipe extends out and is inserted into the mold, the limiting ring moves to the top of the second connecting pipe, the first sealing plate moves into the first movable groove to open the third connecting pipe, and the air in the second connecting pipe enters the mold through the third connecting pipe to complete the processing of the bottle; through the concertina movement of third connecting pipe, avoid the second connecting pipe third connecting pipe and first movable block bottom surface or mould to produce the collision when rotating, make the second connecting pipe can normally rotate, guarantee the normal operating of blowing machine.

A second connecting spring 3322 is arranged on the side wall of the first sealing plate 332, one end of the second connecting spring 3322 is fixedly connected to the inner wall of the first movable groove, a second movable groove is arranged at the top of the first movable groove, a first limiting block 3310 is arranged in the second movable groove, and a third connecting spring 33101 is arranged on the first limiting block 3310; a first transmission cavity communicated with the second movable groove is formed in the limiting ring 333, a third movable groove is formed in the top of the first transmission cavity, a first push block 3330 penetrates through the third movable groove, a third reset spring 33301 is arranged at the bottom of the first push block, a fourth connecting plate 3340 is movably connected to the first push block 3330, the other end of the fourth connecting plate 3340 is movably connected to the first limiting block 3310, and the middle of the fourth connecting plate 3340 is rotatably connected into the first transmission cavity; the fourth connecting plate is a telescopic plate, the number of the first sealing plates is two, when the third connecting pipe is positioned in the second connecting pipe, the two groups of the first sealing plates are abutted together, the first limiting block abuts against the side wall of the first limiting plate, and the first limiting block provides supporting force for the first limiting plate, so that the sealing effect of the first sealing plates on the third connecting pipe is ensured; when the spacing ring moves to the top of the second connecting pipe, the first push block abuts against the top of the second connecting pipe, the first push block moves to push the fourth connecting plate to move, the fourth connecting plate rotates to drive the first spacing block to move, the first limiting block enters the second movable groove, the second connecting spring pulls the first sealing plate to enter the first movable groove to open the third connecting pipe, and air in the second connecting pipe enters the mold through the third connecting pipe to complete the blow molding operation of the plastic bottle.

A fourth movable groove is formed in one side of the first movable groove, a second movable block 338 is arranged in the fourth movable groove, a guide groove is formed in the second movable block 338, a fifth connecting plate 3321 is arranged on the first sealing plate 332, and a first through groove matched with the fifth connecting plate 3321 is formed in the side wall of the fourth movable groove; a rubber pad is arranged at one end of the second movable block 338; a fifth movable groove communicated with the first transmission cavity is formed in the inner wall of the fourth movable groove, a first push rod 339 is arranged in the fifth movable groove, and a sixth connecting plate 33102 is arranged on the first limiting block 3310; after the air pump stops ventilating into the first connecting pipe, the first connecting spring pulls the third connecting pipe to move back, the rubber pad at one end of the second movable block is contacted with the inner wall of the second connecting pipe, the second movable block moves relative to the third connecting pipe, the guide groove abuts against the fifth connecting plate when the second movable block moves, the first sealing plate is pushed to extend out of the first movable groove under the mutual cooperation of the guide groove and the fifth connecting plate, the first push rod is driven to move upwards when the second movable block moves upwards, the sixth connecting plate is driven by the first connecting plate to move upwards together, the first limiting block is separated from the first sealing plate, the resistance force applied when the first sealing plate moves is reduced, and the first sealing plate is enabled to extend out more easily when the second movable block moves; under the setting of rubber pad, increase the frictional force of second movable block and second connecting pipe inner wall to make the second movable block up move when third connecting pipe moves back, accomplish the reseing of first closing plate.

A first sliding groove is formed in the first push rod 339, a first sliding block 3381 matched with the first sliding groove is arranged on the side wall of the second movable block 338, a sixth movable groove is formed in the inner wall of the first sliding groove, a first limiting spring 3392 is arranged in the sixth movable groove, a second limiting block 3391 is arranged at one end of the first limiting spring 3392, and a chute is formed in the top of the second limiting block 3391; a third sliding groove is formed in the side wall of the first push rod 339, a third sliding block is arranged in the third sliding groove, a second sliding block 3393 is arranged on the third sliding block, a second sliding groove matched with the second sliding block 3393 is formed in the inner wall of the fifth movable groove, a first supporting spring is arranged on the third sliding block, a first connecting rope is arranged on the second limiting block 3391, and one end of the first connecting rope is fixedly connected to the third sliding block; when the second movable block moves upwards, the first sliding block abuts against the bottom of the second limiting block, the first sliding block pushes the second limiting block to move upwards, the first push rod moves upwards along with the second limiting block, the first push rod pushes the sixth connecting plate to move upwards, the first limiting block moves upwards along with the sixth connecting plate, and friction force received by the first sealing plate when the first sealing plate moves is reduced; when the second sliding block moves to the top of the second sliding groove, the first sliding block continues to push the first push rod to move upwards, the third sliding block moves in the third sliding groove, the third sliding block pulls the first connecting rope to move when moving, the first connecting rope pulls the second limiting block to move, after the second limiting block enters the sixth movable groove, the first sliding block passes through one side of the second limiting block, the first limiting block pushes the first push rod to move downwards, the first sealing plate stretches out of the first movable groove at the moment, the first limiting block stretches into the first movable groove to abut against the side wall of the first sealing plate, the first sealing plate is fixed, and the sealing effect of the first sealing plate on the third connecting pipe is guaranteed; when ventilating in the first connecting pipe, the second movable block moves down for the third connecting pipe, and at this moment, the first limiting block supports on the first sealing plate, and the first sealing plate is still in a static state, so that the first sealing plate enters the first movable groove again after the third connecting pipe is inserted into the mold, and the blow molding operation of the plastic bottle is completed.

A seventh movable groove is formed in the side wall of the third connecting pipe 33, a fourth connecting spring 3341 is arranged in the seventh movable groove, a fixed block 334 is arranged at one end of the fourth connecting spring 3341, a first through cavity is formed in the bottom of the seventh movable groove, a first movable cavity is formed in the side wall of the first through cavity, a first baffle 335 is arranged in the first movable cavity, a second through groove is formed in the first baffle 335, a second supporting spring 3351 is arranged at the bottom of the first baffle 335, an eighth movable groove is formed in the top of the first movable cavity, and a second push block 3352 matched with the eighth movable groove is arranged at the top of the first baffle 335; a second movable cavity is arranged below the first movable cavity, a second baffle 3320 is arranged in the second movable cavity, a fifth connecting spring is arranged on the side wall of the second baffle 3320, a second connecting rope is arranged on the second baffle 3320, and one end of the second connecting rope is fixedly connected to the first sealing plate 332; the second connecting rope is only connected to one sealing plate of the two groups of first sealing plates; when the first sealing plate extends out of the first movable groove to seal the third connecting pipe, the second baffle is positioned in the second movable cavity and staggered with the first through cavity, air can directly enter the bottom of the second cavity, the first baffle abuts against the top of the first movable cavity, the first baffle seals the first through cavity, and the air is blocked after flowing to the first baffle; when the limiting ring moves to the top of the second connecting pipe, the second push block abuts against the top of the second connecting pipe, the second push block moves to drive the first baffle plate to move, the first baffle plate moves the middle part of the first movable cavity, the first through cavity is communicated through the first through groove, the first sealing plate extends out of the first movable groove to seal the third connecting pipe, the first sealing plate pulls the first connecting rope to move when moving, the second baffle plate is moved away from the first through cavity, the first through cavity is in an open state, air entering from the second connecting pipe enters the first through cavity, the air enters the seventh movable groove through the first through cavity, the fixing block is pushed to move outside the seventh movable groove after the air pressure in the seventh movable groove is increased, the fixing block extends out of the seventh movable groove and abuts against the inner wall of the plastic bottle, the plastic bottle is fixed on the third connecting pipe under the action of the fixing block, the third connecting pipe drives the plastic bottle to rotate together with the second connecting pipe when rotating, conveying the plastic bottles to a material carrying plate so as to cut off waste materials at the bottoms of the plastic bottles and automatically treat the waste materials at the bottoms of the plastic bottles; the fixed block stretches out and supports on the plastic bottle inner wall after the plastic bottle is finalized the design, avoids the plastic bottle not cooling when the fixed block stretches out and produces the pit at the inner wall, guarantees the plastic bottle yield.

A cavity is formed in the bottom of the limiting ring 333, a rubber film 337 is arranged on the side wall of the cavity, a bottom plate 336 is arranged at the bottom of the cavity, a through hole is formed in the bottom plate 336, a first connecting rod 3361 penetrates through the through hole, a second sealing plate 3362 is arranged at the top of the first connecting rod 3361, a first push plate 3363 is arranged at the bottom of the first connecting rod 3361, a first reset spring 3364 is arranged on the first push plate 3363, a plurality of third through grooves are formed in the bottom plate 336, and a plurality of cushion blocks 3365 are arranged at the bottom of the second sealing plate 3362; an electromagnetic valve 34 is arranged in the third connecting pipe 3, a first connecting block 341 is arranged on the electromagnetic valve 34, a second push rod 342 is arranged on the first connecting block 341, and a tenth movable groove matched with the second push rod 342 is arranged on the inner wall of the second connecting pipe 3; the second connecting pipe is of a three-way structure, the two ends of the second connecting pipe, which are not connected with the first connecting pipe, are of the same structure, the two ends of the second connecting pipe are respectively provided with a third connecting pipe, two groups of electromagnetic valves are respectively arranged on the two sides of the middle part of the second connecting pipe, and the electromagnetic valves control the air flow direction in the second connecting pipe; under the arrangement of the two third connecting pipes, the second connecting pipe can still work after being turned over for 180 degrees, so that the equipment pause time is reduced, and the production efficiency of plastic bottles is improved; the electromagnetic valve at the top of the second connecting pipe is opened, air enters the second connecting pipe through the first connecting pipe, the third connecting pipe is sealed by the first sealing plate, the first push plate is pushed to move when the air pushes the third connecting pipe to move, the first push plate drives the second sealing plate to move, part of air enters the cavity from the third through groove, the air pressure in the cavity is increased to push the rubber membrane to deform, the side wall of the rubber membrane abuts against the inner wall of the second connecting pipe to increase the friction force between the third connecting pipe and the second connecting pipe, and the third connecting pipe is still in an extending state when the first sealing plate is opened; when the first sealing plate is opened, the second sealing plate moves back under the action of the first return spring, the cushion block abuts against the bottom plate, a gap is formed between the bottom plate and the second sealing plate by the cushion block, the air outlet quantity of the third through groove is reduced by the cushion block, air still flows into the third connecting pipe, the third connecting pipe is fixed at the current position, and air is blown into the mold; after the plastic bottle is molded, the electromagnetic valve is closed, air is continuously introduced into the first connecting pipe, the electromagnetic valve is pushed to move after the air pressure in the second connecting pipe is increased, the electromagnetic valve drives the second push rod to move, the second push rod moves in the tenth movable groove and contacts with the second movable block, the second push rod drives the second movable block to move relative to the third connecting pipe, the second movable block moves to push the fifth connecting plate to move, the first sealing plate extends out of the first movable groove to seal the third connecting pipe, the first cavity is opened, the electromagnetic valve moves to extrude air in the second connecting pipe, the air enters the seventh movable groove through the first through cavity, the fixing block extends out of the seventh movable groove, the plastic bottle is fixed on the third connecting pipe through the fixing block, the third connecting pipe drives the plastic bottle to move together, and the molded plastic bottle can be taken out of the mold.

A twelfth movable groove is formed in the top of the second connecting pipe, a seventh connecting plate is arranged in the twelfth movable groove, a second push plate is arranged at the bottom of the seventh connecting plate, the second push plate and the seventh connecting plate form an inverted L-shaped structure, a seventh connecting spring is arranged on the seventh connecting plate, and the elasticity of the seventh connecting spring is larger than that of the third return spring; when the third connecting pipe moves to the top of the second connecting pipe, the first push block abuts against the seventh connecting plate, and the first push block is pushed into the third movable groove under the action of the seventh connecting plate; when the second push rod moves upwards, the second push rod pushes the second push plate to move upwards, the seventh connecting plate is moved away from the top of the limiting ring, the first push block can stretch out in space, and the first limiting block can stretch out to fix the first sealing plate after the third connecting pipe is sealed.

The material carrying plate 41 is provided with a clamping jaw 412, the second connecting plate 4 is provided with a third through groove, and the material carrying plate 41 is provided with a fourth through groove matched with the third through groove; a second connecting block 42 is arranged on the second connecting plate 4, a groove matched with the second connecting block 42 is formed in the bottom of the material carrying plate 41, a first mounting groove is formed in the second connecting block 42, a first motor 421 is arranged in the first mounting groove, a third connecting block 411 is arranged on the material carrying plate 41, a second transmission cavity is formed in the third connecting block 411, a second through cavity is formed in the second transmission cavity, a transmission shaft 413 matched with the first motor 421 is arranged in the second transmission cavity, and a third push rod 414 matched with the transmission shaft 413 penetrates through the second through cavity; a third limiting block matched with the second connecting plate 41 is arranged on the second connecting block 42; after the plastic bottle is molded, the fixed block abuts against the inner wall of the plastic bottle, the mold is opened, the second connecting pipe rotates, the third connecting pipe drives the plastic bottle to rotate out of the mold, the second connecting pipe is turned for 180 degrees and then conveys the plastic bottle to the material carrying plate, the electromagnetic valve is opened after the clamping jaws fix the plastic bottle, the fixed block enters the seventh movable groove, the third connecting pipe moves into the second connecting pipe, and the third connecting pipe is separated from the plastic bottle; the third connecting block moves towards one end of the second connecting plate, the third connecting block drives the material carrying plate to move, waste materials at the bottom of the plastic bottle are inserted into the fourth through groove, the waste materials are contacted with the cutter when the plastic bottle moves, and the cutter directly cuts the waste materials at the bottom of the plastic bottle to complete separation of the plastic bottle from the waste materials; the plastic bottle is completely from the cutter top through the back, and first motor drive carries the flitch to rotate, carries the flitch to rotate and supports on the third stopper after 90, carries the unable first motor drive transmission shaft rotation in rotation back of flitch, and the transmission shaft drives the third push rod and removes, and the clamping jaw is loosened from the plastic bottle, and the third push rod promotes the plastic bottle and emptys, and the plastic bottle is fallen on the stock guide, pushes down the plastic bottle from carrying the flitch to do the collection to the plastic bottle after processing is accomplished.

A fourth sliding block 23 is arranged on the first movable block 2, a fourth sliding groove matched with the fourth sliding block 23 is arranged on the first connecting plate 12, a second mounting groove is arranged on the first connecting plate 12, a mounting block 22 is arranged in the second mounting groove, the mold 21 is arranged on the mounting block 22, a fifth sliding groove is arranged on the mounting block 22, a fifth sliding block 211 is arranged at the bottom of the mold 21, and a second reset spring 212 is arranged on the fifth sliding block 211; a fourth connecting block 221 is arranged on the side wall of the mounting block 22, and a connecting groove matched with the fourth connecting block 221 is arranged on the side wall of the second mounting groove; a fifth connecting block 24 is arranged at the bottom of the first movable block 2, an eleventh movable groove is arranged on the fifth connecting block 24, a sixth connecting spring 241 is arranged in the eleventh movable groove, and a fourth limiting block 242 is arranged at the top end of the sixth connecting spring 241; when the die is installed, the fourth limiting block is pushed into the eleventh movable groove, the installation block is installed in the second installation groove, the fourth limiting block is lifted from the eleventh movable groove after the fourth connecting block is inserted into the connecting groove, and the installation block is fixed in the second installation groove by matching of the fourth limiting block and the fourth connecting block, so that the installation of the die is completed; the mounting block can be taken out from the second mounting groove in a mode that the fourth limiting block is pressed into the eleventh movable groove, so that the die can be replaced, and the application range of the plastic extruding machine is widened.

One end of the second connecting pipe 3 is inserted into the first connecting pipe 32, a second motor 321 is arranged on the first connecting pipe 32, and a driving wheel 322 matched with the second connecting pipe 3 is arranged on an output shaft of the second motor 321; a third mounting groove is formed in the second connecting plate 4, a sixth connecting block 43 is arranged in the third mounting groove, and the cutter 431 is arranged on the sixth connecting block 43; a material receiving box 14 is arranged below the third mounting groove; the material guide plate 13 is obliquely arranged; the second motor provides power for the rotation of the second connecting pipe so as to take out the molded plastic bottle from the mold; the sixth connecting block is connected with the third mounting groove in a clamping manner, so that the cutter can be conveniently replaced; the middle part of the cutter is arched upwards, so that the cutter directly enters the fourth through groove when the material carrying plate moves, and waste materials at the bottom of the plastic bottle can be conveniently cut off; after being processed, the plastic bottles on the two sides of the plastic extruding machine are placed on the material guide plate, so that the plastic bottles roll down along the material guide plate, and the plastic bottles can be collected uniformly.

The drawings in the application are only schematic and the specific dimensions thereof are subject to practical implementation.