CN215359862U

CN215359862U - High efficiency plastic film blowing mould

Info

Publication number: CN215359862U
Application number: CN202121714953.6U
Authority: CN
Inventors: 宋建丰; 吴杰; 宋晓敏
Original assignee: Changshu Yingyang Plastic Products Co ltd
Current assignee: Changshu Yingyang Plastic Products Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-12-31
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses the technical field of blow molding dies, and particularly relates to a high-efficiency plastic film blow molding die. Including the pan feeding base, pan feeding base one side fixed mounting has the pan feeding pipe, be equipped with the storage chamber in the pan feeding base, the through-hole has been seted up to pan feeding base bottom, storage chamber bottom fixed mounting has rubber layer upon layer, storage chamber bottom fixed mounting has fixed shim, storage chamber bottom fixed mounting has fixing bolt, the fixing bolt top run through fixed shim and rubber layer and with storage chamber fixed connection, storage chamber bottom fixed mounting has the control box, control box bottom inner wall both sides fixed mounting has the backup pad, backup pad top slidable mounting has the connecting rod, the connecting rod top is rotated and is installed the kicking block, the connecting rod bottom runs through the backup pad and is rotatably connected with the rotation wheel, it installs the motor to rotate wheel one side connection. The utility model has the advantages of simple structure, convenient use and good use effect.

Description

High efficiency plastic film blowing mould

Technical Field

The utility model relates to the technical field of blow molding dies, in particular to a high-efficiency plastic film blow molding die.

Background

The film blow molding, also called flat folding film tube extrusion molding or blown film extrusion molding, is a main method for producing plastic film, and is characterized by that the plastic is added into an extruder, and is melted, and extruded into the form of cylinder (tube) from the annular gap of front end die, and the central hole of core rod of machine head is passed through by compressed air, and the cylinder is blown into the form of bubble tube (general blow 2-3 times), and at the moment, the longitudinal and transverse directions are extended to obtain bubble tube with a certain blow expansion ratio, and cooled by means of external air ring (sometimes adding internal cooling), then fed into guide clamping plate and traction clamping roller to flatten the bubble tube, and prevent the air in the bubble tube from leaking out so as to maintain required constant blow pressure, and flatten the bubble tube to obtain flat folding double-layer film, finally fed into winding device to make winding.

In current production process, because current mould most all is cylindrical structure, the extrusion force is little, and flow rate is slow, and the material stays in the mould for a long time, often appears burnt paste or adhesion phenomenon, influences the color and luster degree and the intensity of product to influence product quality, reduced machining efficiency, for this reason, provide a high efficiency plastic film blowing mould.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-efficiency plastic film blow mold to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the automatic feeding device comprises a feeding base, wherein a feeding pipe is fixedly installed on one side of the feeding base, a storage cavity is arranged in the feeding base, a through hole is formed in the bottom end of the feeding base, a rubber layer is fixedly installed at the bottom end of the storage cavity, a fixed gasket is fixedly installed at the bottom end of the storage cavity, a fixed bolt is fixedly installed at the bottom end of the storage cavity, the top end of the fixed bolt penetrates through the fixed gasket and the rubber layer and is fixedly connected with the storage cavity, an operation box is fixedly installed at the bottom end of the storage cavity, supporting plates are fixedly installed on two sides of the inner wall of the bottom end of the operation box, a connecting rod is slidably installed at the top end of the supporting plates, a top block is rotatably installed at the top end of the connecting rod, the bottom end of the connecting rod penetrates through the supporting plates and is rotatably connected with a rotating wheel, a motor is connected to one side of the rotating wheel, a guide rod is fixedly installed at the bottom end of the top block, and an outer mold is fixedly installed at the top end of the feeding base, an inner die is fixedly installed in the outer die, and a vent hole is formed in the top end of the inner die.

Preferably, the mounting groove has been seted up to the storage cavity bottom, just rubber layer and fixed shim fixed mounting are in the mounting groove, the through-hole communicates with each other with the mounting groove.

Preferably, a sliding hole is formed in one side of the connecting rod, a limiting hole is formed in the top end of the supporting plate corresponding to the connecting rod, a round shaft is fixedly mounted in the limiting hole, and the connecting rod is connected with the round shaft in a sliding mode through the sliding hole.

Preferably, the top end of the material storage cavity is provided with a squeezing opening, a feeding gap is arranged between the outer mold and the inner mold, and the squeezing opening is communicated with the feeding gap.

Preferably, the supporting plate is penetrated through the bottom end of the top block, and a limiting block is fixedly arranged at the bottom end of the top block.

Preferably, an external power supply and a switch are arranged on one side of the operation box, wherein the external power supply, the motor and the switch are sequentially connected through a lead and form a loop.

Preferably, the fixed gasket is circular, and the top end of the top block penetrates through the fixed gasket and abuts against the rubber layer.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the rotating wheel is driven to rotate by starting the motor, the connecting rod is driven to ascend and descend by the rotation of the rotating wheel, so that the ejector block ascends and descends through the guide rod, the rubber layer is ejected by the ejector block through the fixed gasket, the space in the material storage cavity is extruded inwards, so that raw materials are extruded into a material conveying gap through the extrusion port more quickly, the retention time of the raw materials is reduced, the pressure is effectively increased, the flowing speed is accelerated, the processing efficiency is improved, and the condition that the raw materials are burnt and adhered is avoided;

2. the fixing gasket is fixedly connected with the material storage cavity by the fixing bolt, so that the effect of stabilizing the rubber layer is achieved, the phenomenon of raw material leakage caused by a gap generated between the rubber layer and the material storage cavity is prevented, and the running stability and the reliability of the equipment are further ensured.

Drawings

FIG. 1 is a schematic sectional view of a high efficiency plastic film blow mold according to the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is a schematic side view of a high-efficiency plastic film blow mold according to the present invention.

In the figure: 1. a material base; 2. a feeding pipe; 3. a material storage cavity; 4. a through hole; 5. a rubber layer; 6. fixing a gasket; 7. fixing the bolt; 8. an operation box; 9. a support plate; 10. a connecting rod; 11. a top block; 12. a rotating wheel; 13. a motor; 14. a guide bar; 15. an outer mold; 16. an inner mold; 17. a vent hole; 18. and (7) extruding the material port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the material storage device comprises a feeding base 1, a feeding pipe 2 is fixedly installed on one side of the feeding base 1, a material storage cavity 3 is arranged in the feeding base 1, a through hole 4 is formed in the bottom end of the feeding base 1, a rubber layer 5 is fixedly installed at the bottom end of the material storage cavity 3, a fixing gasket 6 is fixedly installed at the bottom end of the material storage cavity 3, a fixing bolt 7 is fixedly installed at the bottom end of the material storage cavity 3, the top end of the fixing bolt 7 penetrates through the fixing gasket 6 and the rubber layer 5 and is fixedly connected with the material storage cavity 3, an operation box 8 is fixedly installed at the bottom end of the material storage cavity 3, supporting plates 9 are fixedly installed on two sides of the inner wall at the bottom end of the operation box 8, a connecting rod 10 is slidably installed at the top end of the supporting plates 9, a top block 11 is rotatably installed at the top end of the connecting rod 10, a rotating wheel 12 is rotatably connected with the bottom end of the connecting rod 10, a motor 13 is connected with one side of the rotating wheel 12, a guide rod 14 is fixedly installed at the bottom end of the top block 11, an outer mold 15 is fixedly installed at the top end of the feeding base 1, an inner die 16 is fixedly arranged in the outer die 15, and a vent hole 17 is formed at the top end of the inner die 16.

The bottom end of the material storage cavity 3 is provided with a mounting groove, the rubber layer 5 and the fixed gasket 6 are fixedly mounted in the mounting groove, and the through hole 4 is communicated with the mounting groove; one side of the connecting rod 10 is provided with a sliding hole, the top end of the supporting plate 9 is provided with a limiting hole corresponding to the connecting rod 10, a round shaft is fixedly arranged in the limiting hole, and the connecting rod 10 is connected with the round shaft in a sliding mode through the sliding hole; the top end of the material storage cavity 3 is provided with a material extruding opening 18, a material feeding gap is arranged between the outer mold 15 and the inner mold 16, and the material extruding opening 18 is communicated with the material feeding gap; the bottom ends of the top blocks 11 penetrate through the supporting plate 9, and limit blocks are fixedly arranged at the bottom ends; an external power supply and a switch are arranged on one side of the operation box 8, wherein the external power supply, the motor 13 and the switch are sequentially connected through a lead and form a loop; the fixed gasket 6 is in a circular ring shape, and the top end of the top block 11 penetrates through the fixed gasket 6 and abuts against the rubber layer 5.

The working principle is as follows: when the utility model is used, hot-melted raw materials are input into the storage cavity 3 through the feeding pipe 2, the motor 13 is started simultaneously to drive the rotating wheel 12 to rotate, the rotating wheel 12 rotates to drive the connecting rod 10 to ascend and descend, so that the top block 11 ascends through the guide rod 14, wherein the speed of the motor 13 is controlled in each circle in 10, the top block 11 jacks up the rubber layer 5 through the fixed gasket 6 to extrude the space in the storage cavity 3, so that the raw materials are extruded into a feed gap through the extrusion opening 18 more quickly, blow molding is carried out through the vent hole 17 as required, the ascending and descending speed of the top block 11 is slower, the feeding speed of the feeding pipe 2 is met, negative pressure is prevented from being generated in the storage cavity 3 when the top block 11 descends, the eliminated raw materials are prevented from being sucked back into the storage cavity 3, the processing requirement is further met, wherein the diameter of the through hole 4 is larger than that of the top block 11, when the top block 11 drives the rubber layer 5 to extrude the inner space of the storage cavity 3 through the through hole 4, the utility model has the advantages of simple structure, convenient use, increased flowing speed, improved processing efficiency and prevention of adhesion of burnt raw materials.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high efficiency plastic film blowing mould, includes pan feeding base (1), its characterized in that: the feeding device comprises a feeding base (1), a feeding pipe (2) is fixedly mounted on one side of the feeding base (1), a storage cavity (3) is arranged in the feeding base (1), a through hole (4) is formed in the bottom end of the feeding base (1), a rubber layer (5) is fixedly mounted at the bottom end of the storage cavity (3), a fixing gasket (6) is fixedly mounted at the bottom end of the storage cavity (3), a fixing bolt (7) is fixedly mounted at the bottom end of the storage cavity (3), the top end of the fixing bolt (7) penetrates through the fixing gasket (6) and the rubber layer (5) and is fixedly connected with the storage cavity (3), an operation box (8) is fixedly mounted at the bottom end of the storage cavity (3), support plates (9) are fixedly mounted on two sides of the inner wall at the bottom end of the operation box (8), a connecting rod (10) is slidably mounted at the top end of the support plates (9), and a top block (11) is rotatably mounted at the top end of the connecting rod (10), connecting rod (10) bottom runs through backup pad (9) and has rotation wheel (12) to rotate, it connects and installs motor (13) to rotate wheel (12) one side, kicking block (11) bottom fixed mounting has guide arm (14), pan feeding base (1) top fixed mounting has external mold (15), external mold (15) internal fixation installs centre form (16), ventilation hole (17) have been seted up on centre form (16) top.

2. A high efficiency plastic film blow mold as defined in claim 1, wherein: the mounting groove has been seted up to storage cavity (3) bottom, just rubber layer (5) and fixed shim (6) fixed mounting are in the mounting groove, through-hole (4) communicate with each other with the mounting groove.

3. A high efficiency plastic film blow mold as defined in claim 1, wherein: the connecting rod is characterized in that a sliding hole is formed in one side of the connecting rod (10), a limiting hole is formed in the top end of the supporting plate (9) corresponding to the connecting rod (10), a round shaft is fixedly mounted in the limiting hole, and the connecting rod (10) is connected with the round shaft in a sliding mode through the sliding hole.

4. A high efficiency plastic film blow mold as defined in claim 1, wherein: the material storage cavity (3) top has seted up extrusion mouth (18), it expects the space to separate to have between external mold (15) and internal mold (16) to walk, extrusion mouth (18) with walk the material space and communicate with each other.

5. A high efficiency plastic film blow mold as defined in claim 1, wherein: the bottom end of the top block (11) penetrates through the supporting plate (9), and a limiting block is fixedly arranged at the bottom end.

6. A high efficiency plastic film blow mold as defined in claim 1, wherein: and an external power supply and a switch are arranged on one side of the operating box (8), wherein the external power supply, the motor (13) and the switch are sequentially connected through leads to form a loop.

7. A high efficiency plastic film blow mold as defined in claim 1, wherein: the fixed gasket (6) is in a circular ring shape, and the top end of the ejector block (11) penetrates through the fixed gasket (6) and abuts against the rubber layer (5).