CN115157625A

CN115157625A - Extrusion molding device is used in plastic products production

Info

Publication number: CN115157625A
Application number: CN202210827397.6A
Authority: CN
Inventors: 黄达记
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-10-11

Abstract

The invention relates to the technical field of plastic extruding machines and discloses an extrusion molding device for plastic product production, which comprises a machine shell, wherein a screw I is arranged on the inner side of the machine shell, a fixed block I is fixedly connected to one end inside the screw I, a fixed cylinder I far away from the screw I is fixedly connected to one side of the fixed block I far away from the screw I, an annular hole close to one side of the screw I is formed in the outer side of the fixed cylinder I in an equal angle mode in the circumferential direction, a torque spring is arranged on the inner side of the annular hole, and a screw II located on the outer side of the fixed cylinder I is connected to one side of the screw I in a sliding mode. Through the slip setting between screw rod I and the screw rod II, the fixed plate that the rope can stimulate the connection of order slides completely to the inboard of fixed slot to increased the volume in the inboard material place space of casing, the pressure that the material that makes the jam position blockked up reduces, when the material of being convenient for blockked up, the inboard of casing is taken out to screw rod I and screw rod II, and reduces the wearing and tearing of the process of taking out screw rod I and screw rod II to screw rod I and screw rod II surface.

Description

Extrusion molding device is used in plastic products production

Technical Field

The invention relates to the technical field of plastic extruding machines, in particular to an extrusion molding device for plastic product production.

Background

The screw extruder comprises a transmission device, a feeding device, a charging barrel, a screw and the like, the screw is driven to rotate by a motor, the outer side of the shell is internally mixed in an electric heating mode, plastic particles and other auxiliary materials in the shell are plasticized together in the moving process, plastic liquid is extruded into the die, and the die is cooled and shaped.

When the screw rod works, the plastic particles are improperly fed, the screw rod is excessively large in torque and damaged due to materials in the shell, the screw rod is distorted, the abrasion loss is large, the subsequent normal use is influenced, and when the screw rod is blocked by the materials, the screw rod is not convenient to detach and clean, the taking-out difficulty is increased, and the unnecessary abrasion loss is increased; the foreign matter gets into inside the casing, and the screw rod card is dead the back, makes the screw rod locked by the material that condenses, makes the screw rod twist off, and the casing inboard is by the fish tail of foreign matter, must change corresponding structure, improves the repair cost.

Disclosure of Invention

Aiming at the defects of the existing plastic extruding machine in the prior art in the using process, the invention provides the plastic extruding device for producing the plastic products, which has the advantages of protecting the screw rod and reducing the blocking condition, and solves the technical problems that the screw rod is damaged due to overlarge torque after being blocked and the screw rod is not easy to take out after being blocked in the prior art.

The invention provides the following technical scheme: the utility model provides an extrusion molding device is used in plastic products production, includes the casing, the inboard of casing is equipped with screw rod I, the inside one end fixedly connected with fixed block I of screw rod I, one side fixedly connected with that screw rod I was kept away from to fixed block I keeps away from screw rod I inside solid fixed cylinder I, the annular ring that is close to screw rod I one side is seted up to the outside circumference of solid fixed cylinder I equiangularly, the inboard of annular ring is equipped with torque spring, one side sliding connection of screw rod I has screw rod II that is located solid fixed cylinder I outside, the inboard fixedly connected with fixed block II of screw rod II, the side fixedly connected with that II inner walls of screw rod were kept away from to fixed block II is located I inboard solid fixed cylinder II of screw rod, the fixed slot has been seted up to the outside circumference equiangularly of screw rod I and screw rod II, the inboard fixedly connected with reset spring of fixed slot, reset spring's one end fixedly connected with fixed slot and inboard sliding connection's fixed plate, every the fixed plate is close to reset spring's side fixedly connected with the rope, and the one end that the connection rope kept away from the fixed plate runs through the outside of screw rod I and solid fixed cylinder II is connected.

Preferably, the fixed cylinder I is hollow and cylindrical, and the fixed cylinder I is in sliding connection with the fixed block II connected with the outer side of the fixed cylinder II through an annular hole formed in the surface.

Preferably, the axis of the torque spring is arc-shaped, and the annular hole formed in the surface of the fixing barrel I is elastically connected with the fixing block II connected to the outer side of the fixing barrel II through the torque spring in an arc shape.

Preferably, the shape of the fixed cylinder II is hollow and cylindrical, the inner side of the fixed cylinder II is communicated with a fixed pipe, one end of the fixed pipe, far away from the fixed cylinder II, is connected with an air chamber in a specified manner, and one side, far away from the fixed pipe, of the inner part of the air chamber is connected with an emergency stop button in a sliding manner.

Preferably, the shapes of the outer side surfaces of the screw I and the screw II corresponding to the surfaces of the fixing plate far away from the inner side of the fixing groove are the same, and the outer side of the fixing plate is connected with the inner wall of the fixing groove in a sealing mode.

Preferably, the connecting rope is made of flexible materials and is always tightened on the inner side of the shell.

The invention has the following beneficial effects:

1. according to the invention, through the sliding arrangement between the screw I and the screw II, the inner side of the screw I is connected with the fixed cylinder I positioned on the inner side of the screw II, the inner side of the screw II is connected with the fixed cylinder II positioned on the inner side of the screw I, when the screw I and the screw II slide relatively due to overlarge torque, the fixed cylinder II on the inner side of the screw I can rotate relative to the screw I, the fixed cylinder I on the inner side of the screw II can rotate relative to the screw II, the connecting rope connected with the outer sides of the fixed cylinder I and the fixed cylinder II can wind on the outer sides of the fixed cylinder I and the fixed cylinder II, and the connecting rope can pull the connected fixed plate to completely slide towards the inner side of the fixed groove, so that the volume of a space where materials are positioned inside the casing is increased, the pressure of material blockage at the blockage position is reduced, the screw I and the screw II can be taken out of the inner side of the casing conveniently when the materials are blocked, and the abrasion of the surfaces of the screw I and the screw II in the process of taking out of the screw I and the screw II is reduced.

2. According to the invention, the fixing plates are arranged on the outer sides of the screw I and the screw II, so that when materials are plasticized between the screw I and the screw II and local materials are slightly blocked, the pressure between the materials can extrude the fixing plates to be positioned on the side surfaces of the screw I and the screw II, and the fixing plates slide towards the inner side of the fixing groove, so that partial space of the inner side of the fixing groove is released, the pressure relief for slightly blocking the materials is realized, the materials cannot be continuously blocked, the blockage faults of the materials at different parts of the inner side can be conveniently and rapidly eliminated, and the flexibility of the whole use is improved.

3. According to the invention, the connecting rope is used for pulling the fixing plate to slide towards the inner side of the fixing groove, when a screw I and a screw II in a casing are blocked by foreign matters or materials are blocked and blocked, the torque between the screw I and the screw II is too large, and the compression torque spring between the screw I and the screw II slides relatively, so that the connecting rope is wound on the outer sides of the fixing barrel I and the fixing barrel II, the fixing plate is pulled to move towards the inner side of the fixing groove, the space of the inner sides of the screw I and the screw II is reduced, a fixing pipe connected with the fixing barrel II is led into the inner side of the air chamber, an emergency stop button on the inner side of the air chamber is moved towards one side and is triggered, a motor between the driving screw I and the screw II is stopped to supply power, meanwhile, the material is stopped from being led into the inner side of the casing, and the use safety of the whole equipment is protected instantly.

Drawings

FIG. 1 is a schematic perspective view of the inner side of the housing structure of the present invention;

FIG. 2 is a schematic sectional view of the housing structure and the first fixed cylinder structure of the present invention;

FIG. 3 is a front view of the housing structure of the present invention;

FIG. 4 is a cut-away side view of the structure of the fixed cylinder I and the structure of the fixed cylinder II;

fig. 5 is a schematic view of an emergency stop button according to the present invention.

In the figure: 1. a housing; 2. a screw I; 3. a fixed block I; 4. a fixed cylinder I; 5. an annular hole; 6. a torque spring; 7. a screw II; 8. a fixed block II; 9. a fixed cylinder II; 10. fixing grooves; 11. a return spring; 12. a fixing plate; 13. connecting ropes; 14. a fixed tube; 15. an air chamber; 16. an emergency stop button.

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, an extrusion molding apparatus for plastic product production includes a housing 1, a hopper fixedly connected to one side of a top end of the housing 1, the feeding amount passing through the hopper is controlled by a feeding motor, a screw I2 is arranged on the inner side of the casing 1, a fixed block I3 is fixedly connected to one end inside the screw I2, one side, far away from the screw I2, of the fixed block I3 is fixedly connected with a fixed cylinder I4 far away from the inside of the screw I2, an annular hole 5 close to one side of the screw I2 is formed in the outer side of the fixed cylinder I4 in an equal angle mode in the circumferential direction, a torque spring 6 is arranged on the inner side of the annular hole 5, a screw II 7 located on the outer side of the fixed cylinder I4 is slidably connected to one side of the screw I2, the screw I2 and the screw II 7 are connected in a sealing way and do not move relatively when in normal use, the blocking torque at the inner side of the casing 1 is overlarge, the torque spring 6 is compressed, the screw I2 and the screw II 7 move relatively in a sliding way, the screw I2 and the screw II 7 are driven to rotate by a motor to transport and plasticize materials, the inner side of the screw II 7 is fixedly connected with a fixed block II 8, the side surface of the fixed block II 8, far away from the inner wall of the screw II 7, is fixedly connected with a fixed cylinder II 9 positioned at the inner side of the screw I2, the outer sides of the screw I2 and the screw II 7 are circumferentially provided with fixed grooves 10 at equal angles, the inner sides of the fixed grooves 10 are fixedly connected with reset springs 11, one end of each reset spring 11 is fixedly connected with a fixed plate 12 which is in sliding connection with the inner side of each fixed plate 10, the side surface of each fixed plate 12, near the reset spring 11, is fixedly connected with a connecting rope 13, and the end of the connecting rope 13 positioned on the inner side of the screw I2 and far away from the fixed plate 12 penetrates through the inner wall of the screw I2 and is fixedly connected with the outer side of the fixed barrel II 9, and the end of the connecting rope 13 positioned on the inner side of the screw II 7 and far away from the fixed plate 12 penetrates through the inner wall of the screw II 7 and is fixedly connected with the outer side of the fixed barrel I4.

Referring to fig. 1-2, the fixed cylinder i 4 is hollow and cylindrical, and the fixed cylinder i 4 is slidably connected to a fixed block ii 8 connected to the outside of the fixed cylinder ii 9 through an annular hole 5 formed in the surface, and the hollow inside of the fixed cylinder i 4 is arranged to allow one end of the fixed cylinder ii 9 to extend into the inside of the fixed cylinder i 4, so that the screw i 2 connected to the outside of the fixed cylinder i 4 through the fixed block i 3 and the screw ii 7 connected to the outside of the fixed cylinder ii 9 through the fixed block ii 8 can slide relative to each other between the screw i 2 and the screw ii 7, and the fixed cylinder i 4 and the fixed cylinder ii 9 can slide relative to each other, so that the screw i 2 and the screw ii 7 slide relative to each other when the torque force applied to the screw i 2 and the screw ii 7 is too large, make the connecting rope 13 that solid fixed cylinder II 9 and solid fixed cylinder I4's the outside is connected can be in solid fixed cylinder I4 and solid fixed cylinder II 9's outside winding, make fixed plate 12 remove to the inboard of fixed slot 10, make 1 inboard of casing be used for the regional volume increase of inordinate plastify, and then increased the regional size at the inboard material place of casing 1, the jam interact power between the material has been reduced, make the material jam block up behind jam dead screw I2 and screw II 7, screw I2 and screw II 7 can be after shutting down, be convenient for take out the inside of casing 1, thereby reduce the time of taking out from casing 1, avoid solidifying once more of plastics plastify part, the clearance degree of difficulty after screw I2 and screw II 7 surface silver card die has been reduced, the life of screw I2 and screw II 7 has been improved.

Referring to fig. 1 and 4, the axis of the torque spring 6 is arc-shaped, and the annular hole 5 formed in the surface of the fixed cylinder i 4 is elastically connected with the fixed block ii 8 connected to the outer side of the fixed cylinder ii 9 through the torque spring 6, and because the torque spring 6 is arranged at a position, the torque force applied between the screw rod i 2 and the screw rod ii 7 is controlled through the torque spring 6, so that the sliding connection between the screw rod i 2 and the screw rod ii 7 is triggered, and therefore when the torque force is too large to compress the torque spring 6, the fixed cylinder i 4 and the fixed cylinder ii 9 can be timely relatively rotated to compress the torque spring 6, and the screw rod i 2 and the screw rod ii 7 can be conveniently protected.

Referring to fig. 1 and 5, a fixing cylinder ii 9 is hollow and cylindrical, a fixing tube 14 is fixedly communicated with the inner side of the fixing cylinder ii 9, the fixing cylinder ii 9 is connected with the fixing tube 14 through a sealed bearing, that is, the fixing cylinder ii 9 and the fixing tube 14 rotate and move, an air chamber 15 is fixedly connected to one end of the fixing tube 14 far away from the fixing cylinder ii 9, an emergency stop button 16 is slidably connected to one side of the air chamber 15 far away from the fixing tube 14, after the screw i 2 and the screw ii 7 inside the casing 1 are blocked by foreign matters or materials, and the torque increases, a torque spring 6 is compressed between the screw i 2 and the screw ii 7 and slides relatively, a connecting rope 13 is wound on the outer sides of the fixing cylinder i 4 and the fixing cylinder ii 9, and a wound connecting rope 13 pulls the fixing plate 12 to move completely towards the inner side of the fixing groove 10, that the space inside the screw i 2 and the screw ii 7 is pushed by the fixing plate 12 to reduce, the air flow of the fixing tube 14 connected with the fixing cylinder ii 9 is pushed towards the inner side of the air chamber 12, so that the air flow of the screw i 2 and the screw ii 7 is pushed to move completely, and the screw is prevented from being damaged by the screw 16, and the screw i 2 and the screw 16 is damaged, and the screw is prevented from being damaged by the screw 16, and the screw.

Referring to fig. 1-3, the surfaces of the fixing plate 12 far away from the inner side of the fixing groove 10 respectively correspond to the outer side surfaces of the screw i 2 and the screw ii 7, which have the same shape, and the outer side of the fixing plate 12 is hermetically connected with the inner wall of the fixing groove 10, and by the arrangement of the fixing plate 12, when the inner side of the casing 1 is slightly blocked, the pressure of the material on the fixing plate 12 is increased, so that the fixing plate 12 can extrude the inner side of the fixing groove 10 of the return spring 11 to slide, thereby increasing the space of the material at the position, further reducing the pressure of the material, and making the material continuously move towards the conveying direction, timely eliminating the blocking fault, avoiding the occurrence of serious blocking, increasing the working time of the whole equipment, and improving the overall plasticizing efficiency.

Referring to fig. 1-3, the connecting rope 13 is made of flexible material, and the connecting rope 13 is always tightened on the inner side of the casing 1, when the device works, the fixing plate 12 receives the elastic thrust of the return spring 11 towards the outer side of the casing 1, receives the pulling force of the connecting rope 13 towards the inner side of the casing 1, and the pressure of the material plasticizing towards the inner side of the screw i 2, and when the device works, the three forces are balanced, so that the fixing plate 12 can always coincide with the surface shapes of the screw i 2 and the screw ii 7 in normal work, and the fixing plate 12 can transmit the material.

The use method (working principle) of the invention is as follows:

when plasticizing plastic raw materials, introducing materials into the outer sides of a screw I2 and a screw II 7 on the inner side of a machine shell 1 through a hopper to carry out moving plasticization, when the inner side of the machine shell 1 is slightly blocked by the materials, increasing the pressure of material blockage, applying the pressure to the side surfaces of a fixing plate 12 positioned on the outer surfaces of the screw I2 and the screw II 7 to enable the fixing plate 12 to be stressed to slide towards the inner side of a fixing groove 10, enabling the inner side of the fixing groove 10 to provide more space, reducing the liquid pressure on the outer sides of the screw I2 and the screw II 7, enabling the screw I2 and the screw II 7 to continuously rotate to remove the blockage situation, when the screw I2 and the screw II 7 are completely blocked by the materials on the inner side of the machine shell 1, increasing the pressure of the material blockage due to the complete blockage, enabling the pressure on the outer sides of the surfaces of the fixing plate 12 on the screw I2 and the screw II 7 to be increased through the blockage pressure of the materials, the fixing groove 10 releases a part of space to reduce pressure, meanwhile, the blocked material enables the driving force of a motor to act between the screw I2 and the screw II 7, the torque between the screw I2 and the screw II 7 is increased, the torque spring 6 connected with the compression inner side between the screw I2 and the screw II 7 slides relatively, the fixed cylinder II 9 and the fixed cylinder I4 respectively arranged at the inner sides of the screw I2 and the screw II 7 move relatively, namely the fixed cylinder II 9 at the inner side of the screw I2 rotates relative to the screw I2, the fixed cylinder I4 at the inner side of the screw II 7 rotates relative to the screw II 7, the connecting ropes 13 correspondingly connected are respectively disturbed by the rotation of the outer sides of the fixed cylinder II 9 and the fixed cylinder I4, the fixing plate 12 connected with the connecting ropes 13 moves towards the inner side direction of the screw I2 and the screw II 7, the fixing plate 12 completely enters the inner side of the fixing groove 10, and the fixing groove 10 provides the largest pressure relief space, make screw I2 and screw II 7 protected, make screw I2 and screw II 7 be convenient for take out the inboard of casing 1, simultaneously, the inboard space of screw I2 and screw II 7 reduces because of the removal of fixed plate 12, makes the inboard air current of screw I2 and screw II 7 lead to the inboard of air chamber 15 through the fixed tube 14 that solid fixed cylinder II 9 is connected, makes the atmospheric pressure that emergency stop button 16 received the air current move and close, makes the material get into and stops, screw I2 and screw II 7 stall drive, protects whole equipment.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An extrusion molding device is used in plastic products production, includes casing (1), its characterized in that: the inner side of the machine shell (1) is provided with a screw I (2), one end inside the screw I (2) is fixedly connected with a fixed block I (3), one side, far away from the screw I (2), of the fixed block I (3) is fixedly connected with a fixed cylinder I (4) far away from the screw I (2), the outer side of the fixed cylinder I (4) is circumferentially equiangularly provided with a circular hole (5) close to one side of the screw I (2), the inner side of the circular hole (5) is provided with a torque spring (6), one side of the screw I (2) is slidably connected with a screw II (7) located on the outer side of the fixed cylinder I (4), the inner side of the screw II (7) is fixedly connected with a fixed block II (8), the side, far away from the inner wall of the screw II (7), of the fixed cylinder II (9) located on the inner side of the screw I (2), the outer sides of the screw I (2) and the screw II (7) are circumferentially equiangularly provided with a fixed block II (10), the inner side of the fixed groove (10) is fixedly connected with a reset rope (11), one end of the reset spring (11) is fixedly connected with a fixed groove (12) and the fixed plate (12) is fixedly connected with a reset rope (12) close to the fixed plate (12), and the end of the connecting rope (13) which is positioned at the inner side of the screw I (2) and is far away from the fixed plate (12) runs through the inner wall of the screw I (2) and the outer side fixed connection of the fixed cylinder II (9), and the end of the connecting rope (13) which is positioned at the inner side of the screw II (7) and is far away from the fixed plate (12) runs through the inner wall of the screw II (7) and the outer side fixed connection of the fixed cylinder I (4).

2. An extrusion molding apparatus for plastic product production as recited in claim 1, wherein: the fixing cylinder I (4) is hollow and cylindrical, and the fixing cylinder I (4) is connected with the fixing block II (8) connected with the outer side of the fixing cylinder II (9) in a sliding mode through an annular hole (5) formed in the surface.

3. An extrusion molding apparatus for plastic product production as recited in claim 1, wherein: the axis of the torque spring (6) is arc-shaped, and the annular hole (5) formed in the surface of the fixing cylinder I (4) is elastically connected with the fixing block II (8) connected to the outer side of the fixing cylinder II (9) through the torque spring (6) in an arc shape.

4. An extrusion molding apparatus for plastic product production as recited in claim 1, wherein: the shape of fixed section of thick bamboo II (9) is hollow cylindrical, and fixed section of thick bamboo II (9) inboard intercommunication has fixed pipe (14), the one end regulation that fixed pipe (14) kept away from fixed section of thick bamboo II (9) is connected with air chamber (15), the inside one side sliding connection who keeps away from fixed pipe (14) of air chamber (15) has emergency stop button (16).

5. An extrusion molding apparatus for plastic product production as recited in claim 1, wherein: the shapes of the outer side surfaces of the screw I (2) and the screw II (7) corresponding to the surfaces of the fixing plate (12) far away from the inner side of the fixing groove (10) are the same, and the outer side of the fixing plate (12) is connected with the inner wall of the fixing groove (10) in a sealing mode.

6. An extrusion molding apparatus for plastic product production as recited in claim 1, wherein: the connecting rope (13) is made of flexible materials, and the connecting rope (13) is always tightened on the inner side of the machine shell (1).