CN219727151U

CN219727151U - Extrusion mechanism of blow molding machine

Info

Publication number: CN219727151U
Application number: CN202320370661.8U
Authority: CN
Inventors: 卞云杰
Original assignee: Zhangjiagang Yunzhen Technology Co ltd
Current assignee: Zhangjiagang Yunzhen Technology Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-09-22
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to the technical field of blow molding machines, in particular to an extrusion mechanism of a blow molding machine, which comprises a bottom plate, wherein a feeding barrel is fixed at the top of the bottom plate, a shaft lever is rotatably connected in the feeding barrel, a screw feeding paddle is fixed on the outer side of the shaft lever, one end of the feeding barrel is fixedly communicated with a blow molding head, a baffle is slidingly connected in the other end of the feeding barrel, and one end of the feeding barrel, which is close to the blow molding head, is slidingly connected with a cutting-off heat-insulating piece. According to the plastic cutting machine, the motor drives the shaft rod to reversely rotate, so that the screw propeller reversely conveys plastic rice grains remained in the feeding cylinder, waste caused by the fact that the plastic rice grains continue to be extruded to the blowing head to be discharged outwards is prevented, the electric push rod II moves to the front side of the extrusion opening along with the rectangular frame, the electric push rod III and the electric push rod IV respectively drive the cutter and the cutter holder to move close to each other, plastic cutting is achieved by the cutter, and the plastic cutting working efficiency is improved.

Description

Extrusion mechanism of blow molding machine

Technical Field

The utility model relates to the technical field of blow molding machines, in particular to an extrusion mechanism of a blow molding machine.

Background

The blow molding machine is a plastic processing machine, after liquid plastic is sprayed out, the plastic body is blown and attached to a mold cavity with a certain shape by utilizing the wind power blown out by the machine, so that a product is manufactured, the machine is called a blow molding machine, the plastic is melted and quantitatively extruded in a screw extruder, then is molded by a die, is cooled by blowing air through a wind ring, and is pulled by a tractor at a certain speed, and a winding machine winds the plastic into a roll;

when the plastic rice grains with different colors are replaced, the extrusion mechanism of the blow molding machine needs to continuously extrude residual plastic rice grains which are not extruded in the feeding cylinder to the blow molding head to be discharged, so that the resource waste of the plastic rice grains is caused, the unheated plastic rice grains in the feeding cylinder are difficult to completely take out, the use requirement of a user is difficult to meet, after the external mold is removed from the blow molding head, the blow molding head is in direct contact with the outside, a temperature difference is generated between the blow molding head and the plastic raw materials, the hotter plastic raw materials can be coagulated because of lower temperature of the spray head, the progressively coagulated plastic raw materials need to be melted by the conduction heat of the hotter plastic at the back, the spray head can be continuously sprayed, the spray head is often blocked, and the manual cutting and dredging are needed.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide the extrusion mechanism of the blow molding machine, which is characterized in that a motor drives a shaft rod to reversely rotate to reversely convey plastic rice grains remained in a feeding barrel by a screw feeding propeller, so that the plastic rice grains are prevented from being continuously extruded outwards to be discharged out of a blow molding head, waste is prevented, a second electric push rod is driven to move to the front side of an extrusion port by a rectangular frame, a third electric push rod and a fourth electric push rod are respectively driven to move close to each other by a cutter and a cutter seat, the plastic is cut off by the cutters, wire drawing is prevented between the plastic and an external mold, the temperature of the cutter seat is increased due to electrifying and heating of a resistance wire in the cutter seat, the temperature of the cutter seat is increased so as to be convenient for keeping the temperature of the extrusion port, and the coagulation phenomenon of the plastic at the extrusion port due to temperature difference is effectively prevented.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a blowing machine extrusion mechanism, includes the bottom plate, the top of bottom plate is fixed with a feeding section of thick bamboo, the inside rotation of feeding section of thick bamboo is connected with the axostylus axostyle, the outside of axostylus axostyle is fixed with spiral feed oar, the one end intercommunication of feeding section of thick bamboo is fixed with the blowing head, the inside sliding connection of feeding section of thick bamboo other end has the baffle, the one end sliding connection that feeding section of thick bamboo is close to the blowing head has the heat preservation piece of cuting, the top intercommunication of feeding section of thick bamboo one end is fixed with the feeder hopper, the inside of feeder hopper is provided with the stirring piece, the heat preservation piece of cuting includes rectangular frame, rectangular frame's top and bottom are fixed with electric putter three and electric putter four respectively, electric putter's output is fixed with the cutter, electric putter four's output is fixed with the blade holder.

The method is further characterized in that: the top surface of blade holder has offered the breach of being convenient for the cutter grafting, the inside embedding of blade holder is installed the resistance wire.

The method is further characterized in that: the middle parts of two long sides of the rectangular frame are embedded and fixed with arc blocks which are in sliding contact with the feeding cylinder, two symmetrically distributed electric push rods II are fixed on the outer side of the feeding cylinder, and the output ends of the electric push rods II are fixedly connected with the arc blocks at corresponding positions.

The method is further characterized in that: the outside intercommunication of blowing head is fixed with the extrusion mouth, one side of baffle is fixed with the connecting axle of pegging graft with the feeding section of thick bamboo slip, the outside of feeding section of thick bamboo is fixed with electric putter one, electric putter one's output and connecting axle fixed connection.

The method is further characterized in that: the bottom of one end of the feeding barrel is fixedly provided with a discharging pipe in a communicating manner, and the top surface of the bottom plate is detachably provided with a collecting box fixedly communicated with the discharging pipe.

The method is further characterized in that: the top surface of bottom plate is fixed with two support columns all with feed cylinder fixed connection, the one end of bottom plate top surface is fixed with motor one, the output of motor one and the one end that the axostylus axostyle runs through the feed cylinder all cup joint and are fixed with the band pulley, two the transmission is connected with the belt between the band pulley.

The method is further characterized in that: the stirring piece comprises a connecting rod fixedly connected with the feed hopper, a stirring shaft is rotationally connected to the middle of the connecting rod, a first blade, a second blade and a third blade are fixed on the outer side of the stirring shaft, and a second motor for driving the stirring shaft to rotate is fixed on the top surface of the connecting rod.

The utility model has the beneficial effects that:

1. the motor rotates with the belt wheel, the shaft lever rotates with the screw feeding paddle under the transmission action of the belt, so that plastic raw materials are conveniently extruded and conveyed to the blow molding head to be released, when the residual plastic raw materials in the feeding barrel need to be taken out, the output end of the motor reversely rotates with the belt wheel to enable the shaft lever to reversely rotate with the screw feeding paddle, so that the residual plastic rice grains in the feeding barrel are conveniently conveyed to a position close to the baffle, and then the output end of the electric push rod moves with the baffle to enable the plastic rice grains to fall from the position of the discharging pipe to the inside of the collecting box to be collected, the plastic rice grains are prevented from being continuously extruded to the outside of the blow molding head to cause waste, the aim of completely taking out unheated plastic rice grains in the feeding barrel is fulfilled, the use requirement of a user is met, and the electric push rod is more convenient to use;

2. the motor II rotates with the stirring shaft to enable the blade I, the blade II and the blade III to rotate in the feeding hopper to stir the plastic rice grains, so that the condition that too many plastic rice grains block a discharge hole of the feeding hopper to cause intermittent feeding of the plastic rice grains is prevented;

3. the electric putter moves the front side of extruding the mouth through carrying rectangular frame with electric putter two, electric putter three and electric putter four are close to each other with cutter and blade holder respectively and are removed, realize that the cutter cuts off the plastic, prevent to have the wire drawing between plastic and the external mould, and the cutter seals the open end at extruding the mouth, separate extruding the mouth with external, prevent that external air current from getting into extruding the mouth, the resistance wire circular telegram of blade holder the inside is heated and is made the blade holder temperature rise simultaneously, the cutter temperature rise on the blade holder is convenient for keep extruding the temperature of mouth, effectively prevent extruding the plastic of mouth because the difference in temperature causes the emergence of coagulation phenomenon, and, cut the plastic and can directly use the cutter to go on, be favorable to improving the work efficiency that the plastic cut off.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of a feed cylinder and a feed hopper in the utility model;

FIG. 3 is a schematic view of the structure of the moving state of the cut-off heat insulating member in the utility model;

FIG. 4 is a schematic view showing the structure of the cutter and the cutter holder approaching each other in the present utility model;

fig. 5 is a schematic view of a cutter and a holder according to the present utility model.

In the figure: 100. a bottom plate; 110. a support column; 120. a collection box; 130. a first motor; 200. a feeding cylinder; 210. a shaft lever; 211. screw feeding paddles; 220. a blow molding head; 221. an extrusion port; 230. a baffle; 231. a connecting shaft; 240. an electric push rod I; 250. a discharge pipe; 260. an electric push rod II; 300. cutting off the heat-insulating piece; 310. a rectangular frame; 320. an electric push rod III; 340. fourth, an electric push rod; 330. a cutter; 350. a tool apron; 351. a resistance wire; 400. a feed hopper; 410. a stirring member; 411. a connecting rod; 412. a stirring shaft; 413. a blade I; 414. a second blade; 415. a third blade; 416. and a second motor.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an extrusion mechanism of a blow molding machine includes a base plate 100, a feeding barrel 200 is fixed at the top of the base plate 100, a shaft lever 210 is rotatably connected in the feeding barrel 200, a screw feeding paddle 211 is fixed at the outer side of the shaft lever 210, a blow molding head 220 is fixedly connected at one end of the feeding barrel 200, a baffle 230 is slidably connected in the other end of the feeding barrel 200, a cutting-off heat-insulating member 300 is slidably connected at one end of the feeding barrel 200, which is close to the blow molding head 220, a feeding hopper 400 is fixedly connected at the top of one end of the feeding barrel 200, a stirring member 410 is arranged in the feeding hopper 400, the cutting-off heat-insulating member 300 includes a rectangular frame 310, an electric push rod III 320 and an electric push rod IV 340 are respectively fixed at the top and the bottom of the rectangular frame 310, a cutter 330 is fixed at the output end of the electric push rod IV 340, and a cutter holder 350 is fixed at the output end of the electric push rod IV.

The top surface of the tool apron 350 is provided with a notch which is convenient for the cutting knife 330 to be inserted, the inside of the tool apron 350 is embedded with a resistance wire 351, the cutting knife 330 is anastomotic and connected with the tool apron 350 through the notch, the resistance wire 351 is electrically connected with an external power supply through a lead, the temperature of the tool apron 350 is conveniently increased, the temperature of the cutting knife 330 is further increased, and the temperature of the open end of the extruding outlet 221 is ensured; arc blocks which are in sliding contact with the feeding barrel 200 are embedded and fixed in the middle of two long sides of the rectangular frame 310, two symmetrically distributed electric push rods II 260 are fixed on the outer side of the feeding barrel 200, the output ends of the electric push rods II 260 are fixedly connected with the arc blocks at corresponding positions, the electric push rods II 260 are convenient to move along with the rectangular frame 310, and the cutter 330 and the cutter holder 350 are convenient to move towards the extrusion opening 221; the outside intercommunication of blowing head 220 is fixed with extrusion mouth 221, and one side of baffle 230 is fixed with the connecting axle 231 of sliding grafting with feed cylinder 200, and the outside of feed cylinder 200 is fixed with electric putter one 240, and electric putter one 240's output and connecting axle 231 fixed connection, baffle 230 remove the back to deviating from discharging pipe 250 position, are convenient for plastics rice grains drop from discharging pipe 250 to collecting box 120 the inside.

The bottom of one end of the feeding barrel 200 is fixedly communicated with a discharge pipe 250, the top surface of the bottom plate 100 is detachably fixed with a collecting box 120 fixedly communicated with the discharge pipe 250, and the collecting box 120 is convenient for recycling residual plastic rice grains; two supporting columns 110 which are fixedly connected with the feeding barrel 200 are fixed on the top surface of the bottom plate 100, a first motor 130 is fixed at one end of the top surface of the bottom plate 100, belt wheels are sleeved and fixed at the output end of the first motor 130 and one end of the shaft rod 210 penetrating through the feeding barrel 200, and a belt is connected between the two belt wheels in a transmission way, so that the first motor 130 drives the shaft rod 210 to rotate, and the screw feeding paddle 211 rotates to convey plastic raw materials; stirring piece 410 includes connecting rod 411 with feeder hopper 400 fixed connection, and the middle part rotation of connecting rod 411 is connected with (mixing) shaft 412, and the outside of (mixing) shaft 412 is fixed with paddle one 413, paddle two 414 and paddle three 415, and the top surface of connecting rod 411 is fixed with and is used for driving (mixing) shaft 412 pivoted motor two 416, and (mixing) shaft 412 rotates and makes paddle one 413, paddle two 414 and paddle three 415 rotate stirring plastics rice grain in feeder hopper 400 the inside, prevents too many plastics rice grain to block up the discharge gate of feeder hopper 400 and causes the condition emergence of plastics rice grain intermittent feed.

In operation, the plastic raw material is put into the feed hopper 400, the motor II 416 drives the stirring shaft 412 to rotate, the stirring shaft 412 drives the blade I413, the blade II 414 and the blade III 415 to rotate, so that the plastic raw material is convenient to stably and unblock from the feed hopper 400 and fall into the feed cylinder 200, the motor I130 drives the belt pulley at the output end of the motor I to rotate, the shaft lever 210 drives the screw feed paddle 211 to rotate under the transmission effect of the belt, the plastic raw material is extruded and conveyed to the position of the blow molding head 220 and discharged into an external mold from the extrusion opening 221, the electric push rod II 260 drives the rectangular frame 310 to move to the front side of the extrusion opening 221 when the external mold leaves the extrusion opening 221, the electric push rod III 320 and the electric push rod IV respectively drive the cutter 330 and the cutter seat 350 to move close to each other, the cutter 330 cuts off the plastic, and the wire drawing between the plastic and the external mold is prevented, and the cutter 330 seals the open end of the extrusion opening 221, separates the extrusion opening 221 from the outside, prevents external air flow from entering the extrusion opening 221, simultaneously, the resistance wire 351 in the cutter holder 350 is electrified and heated to raise the temperature of the cutter holder 350, the temperature of the cutter 330 on the cutter holder 350 is raised to facilitate keeping the temperature of the extrusion opening 221, and effectively preventing the plastic of the extrusion opening 221 from coagulation due to temperature difference, when plastic rice grains in the feeding barrel 200 need to be taken out because of changing plastic raw materials with different colors, the output end of the first motor 130 is reversely rotated with a belt wheel to enable the shaft lever 210 to reversely rotate with the spiral feeding paddle 211 to facilitate conveying the residual plastic rice grains in the feeding barrel 200 to a position close to the baffle 230, and then the output end of the first motor 240 is moved with the baffle 230 to enable the plastic rice grains to fall into the collecting box 120 from the position of the discharging pipe 250 to collect.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.

Claims

1. The utility model provides a blowing machine extrusion mechanism, includes bottom plate (100), its characterized in that, the top of bottom plate (100) is fixed with feed cylinder (200), the inside rotation of feed cylinder (200) is connected with axostylus axostyle (210), the outside of axostylus axostyle (210) is fixed with spiral feed oar (211), the one end intercommunication of feed cylinder (200) is fixed with blowing head (220), the inside sliding connection of feed cylinder (200) other end has baffle (230), the one end sliding connection that feed cylinder (200) is close to blowing head (220) has cut off heat preservation piece (300), the top intercommunication of feed cylinder (200) one end is fixed with feeder hopper (400), the inside of feeder hopper (400) is provided with stirring piece (410);

the cutting-off heat preservation piece (300) comprises a rectangular frame (310), an electric push rod III (320) and an electric push rod IV (340) are respectively fixed at the top and the bottom of the rectangular frame (310), a cutter (330) is fixed at the output end of the electric push rod III (320), and a cutter holder (350) is fixed at the output end of the electric push rod IV (340).

2. The extrusion mechanism of a blow molding machine according to claim 1, wherein a notch for facilitating the insertion of the cutter (330) is formed in the top surface of the cutter holder (350), and a resistance wire (351) is embedded in the cutter holder (350).

3. The extrusion mechanism of a blow molding machine according to claim 1, wherein arc-shaped blocks which are in sliding contact with the feeding cylinder (200) are embedded and fixed in the middle parts of two long sides of the rectangular frame (310), two symmetrically distributed electric push rods (260) are fixed on the outer side of the feeding cylinder (200), and the output ends of the electric push rods (260) are fixedly connected with the arc-shaped blocks at corresponding positions.

4. The extrusion mechanism of a blow molding machine according to claim 1, wherein the outer side of the blow molding head (220) is fixedly connected with an extrusion port (221), one side of the baffle (230) is fixedly provided with a connecting shaft (231) which is in sliding connection with the feeding cylinder (200), the outer side of the feeding cylinder (200) is fixedly provided with an electric push rod one (240), and the output end of the electric push rod one (240) is fixedly connected with the connecting shaft (231).

5. A blowing machine extrusion mechanism according to claim 1, wherein a discharge pipe (250) is fixedly connected to the bottom of one end of the feed cylinder (200), and a collecting box (120) fixedly connected to the discharge pipe (250) is detachably fixed to the top surface of the bottom plate (100).

6. The extrusion mechanism of a blow molding machine according to claim 1, wherein two support columns (110) fixedly connected with the feeding barrel (200) are fixed on the top surface of the bottom plate (100), a motor I (130) is fixed at one end of the top surface of the bottom plate (100), a belt wheel is sleeved and fixed at the output end of the motor I (130) and one end of the shaft rod (210) penetrating through the feeding barrel (200), and a belt is connected between the two belt wheels in a transmission manner.

7. The extrusion mechanism of a blow molding machine according to claim 1, wherein the stirring member (410) comprises a connecting rod (411) fixedly connected with the feed hopper (400), a stirring shaft (412) is rotatably connected to the middle part of the connecting rod (411), a first blade (413), a second blade (414) and a third blade (415) are fixed to the outer side of the stirring shaft (412), and a second motor (416) for driving the stirring shaft (412) to rotate is fixed to the top surface of the connecting rod (411).