CN115284572A - Plastic extruding machine - Google Patents
Plastic extruding machine Download PDFInfo
- Publication number
- CN115284572A CN115284572A CN202210975916.3A CN202210975916A CN115284572A CN 115284572 A CN115284572 A CN 115284572A CN 202210975916 A CN202210975916 A CN 202210975916A CN 115284572 A CN115284572 A CN 115284572A
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- Prior art keywords
- plastic
- extruder
- hopper
- discharging
- auxiliary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/265—Support structures or bases for apparatus, e.g. frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/355—Conveyors for extruded articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the field of plastic product preparation, in particular to an extruding machine which comprises a heating cavity, wherein the heating cavity is connected with a feeding device, the heating cavity is also connected with a discharge hole, an extruding device is arranged in the heating cavity and extrudes heated molten plastic from the discharge hole, a discharge frame is arranged on one side of the discharge hole, a conveying supporting device is arranged on the discharge frame, and a water spraying device is arranged on the conveying supporting device. Above-mentioned extruding machine sets up the play work or material rest in the one end of discharge gate, sets up on the play work or material rest and carries strutting arrangement, and the plastic products who will make through carrying strutting arrangement carries and supports, avoids plastic products to warp at the preparation in-process. Meanwhile, the conveying and supporting device is also provided with a water spraying device, and the plastic product is cooled through the water spraying device, so that the cooling process of the plastic product is accelerated, and the plastic product is prevented from deforming at high temperature.
Description
Technical Field
The invention relates to an extruding machine, in particular to an extruding machine for preparing long-strip-shaped plastic products.
Background
An extruder is one of conventional apparatuses for preparing plastic products, and the extruder operates by heating plastic particles to a plastic gel in a molten state, and then extruding the plastic melted into the gel into a predetermined shape by an extrusion apparatus.
When the existing plastic extruding machine is used for preparing a strip-shaped plastic product, the plastic product is low in hardness when not completely cooled, so that the deformation is easy to occur. If the plastic product is rapidly cooled, the brittleness of the plastic product can be improved, and the product quality is reduced.
Disclosure of Invention
The invention mainly aims to provide an extruding machine, aiming at solving the problems that: when the strip-shaped plastic product is prepared, the plastic product which is not completely cooled is easy to deform, and the plastic product which is rapidly cooled can improve the plasticity of the plastic product.
The invention provides an extruding machine which comprises a heating cavity, wherein the heating cavity is connected with a feeding device, the heating cavity is also connected with a discharge hole, an extruding device is arranged in the heating cavity and is used for extruding molten plastic after being heated from the discharge hole, a discharge frame is arranged on one side of the discharge hole, a conveying and supporting device is arranged on the discharge frame, and a water spraying device is arranged on the conveying and supporting device.
Preferably, the conveying device comprises a plurality of groups of roller frames on the discharging frame, upper rollers and lower rollers which are arranged in an up-and-down symmetrical mode are arranged on the roller frames, and grooves matched with the cross sections of extruded plastic products are formed between the upper rollers and the lower rollers.
Preferably, the discharging frame is further provided with a nozzle, and the nozzle is connected with a water pump for pumping water to the nozzle.
Still preferably, a conveying belt is further arranged between the adjacent lower rollers.
Preferably, the discharging frame is inclined upwards from one side close to the discharging port to one side far away from the discharging port, the lower roller close to the discharging port is lower than the lower roller far away from the discharging port, a water spray opening is formed in one side of the conveying belt far away from the discharging port, and the water spray opening sprays cooling water towards the discharging port.
Preferably, the device further comprises a feeding device, the feeding device comprises a main hopper, plastic particles with a first color are stored in the main hopper, an auxiliary hopper is further arranged at the upper part of the main hopper, and a discharging device is further arranged on the auxiliary hopper and used for discharging the stored plastic particles with a second color into the auxiliary hopper; the main hopper lower part is provided with the main inlet pipe that extends to the extruding machine, the sub-unit connection of vice hopper has the extension vice inlet pipe of main inlet pipe.
Preferably, the discharge device comprises a bin for storing plastic granules with a second color; the lower part of the material box is provided with an opening, the opening is provided with a rotating wheel, the rotating wheel is connected with a driving device for driving the rotating wheel to rotate, a groove is formed in the rotating wheel, the groove is matched with the plastic particles with the second color, the rotating wheel discharges the plastic particles with the second color in a rotating process, and the auxiliary hopper is arranged at the lower part of the opening of the material box.
Preferably, the middle part of the auxiliary feeding pipe is connected with an air inlet pipe, and the air inlet pipe is connected with an air blower; the air blower is an intermittent pressure inflator pump.
Preferably again, the air blower includes the gasbag, the intake-tube connection of gasbag has the check valve, the gasbag still is connected with intermittent type formula extrusion device.
Preferably, the middle part of the auxiliary feeding pipe is provided with a diameter expanding cavity, the width of the diameter expanding cavity is larger than that of the auxiliary feeding pipe, and the diameter expanding cavity is communicated with the air inlet pipe; the feed inlet department in reducing chamber articulates there is the baffle, the rear portion of baffle is provided with the air inlet, the intake pipe with the intake pipe is linked together.
Compared with the prior art, the plastic extruding machine provided by the invention has the following beneficial effects:
above-mentioned extruding machine sets up out the work or material rest in the one end of discharge gate, sets up on the play work or material rest and carries strutting arrangement, carries and supports the plastic products who makes through carrying strutting arrangement, avoids plastic products to warp in preparation process. Meanwhile, the conveying and supporting device is also provided with a water spraying device, and the plastic product is cooled through the water spraying device, so that the cooling process of the plastic product is accelerated, and the plastic product is prevented from deforming at high temperature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
It is to be understood that the drawings in the following description are merely exemplary of the invention and that other drawings may be derived from the structure shown in the drawings by those skilled in the art without the exercise of inventive faculty.
FIG. 1 is a schematic partial cross-sectional view of an extruder in example 1 of the present invention.
Fig. 2 is a partial sectional view schematically showing a main hopper in example 1 of the present invention.
FIG. 3 is a schematic left side view of a part of the auxiliary hopper and the discharging device at the upper part of the main hopper in embodiment 1 of the present invention (the driving device is not shown).
FIG. 4 is a partial right-side view schematically showing the auxiliary hopper and the discharge device at the upper part of the main hopper in example 1 of the present invention.
FIG. 5 is a partial front view schematically showing the auxiliary hopper and the discharge device at the upper part of the main hopper in example 1 of the present invention.
FIG. 6 is a schematic partial sectional view of a diameter-enlarging chamber in example 1 of the present invention.
In the drawings:
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
The invention provides an extruding machine which comprises a heating cavity 101, wherein the heating cavity 101 is connected with a feeding device, the heating cavity 101 is also connected with a discharge hole, an extruding device 102 is arranged in the heating cavity 101, the extruding device 102 extrudes heated molten plastic from the discharge hole, a discharge frame 106 is arranged on one side of the discharge hole, a conveying supporting device is arranged on the discharge frame 106, and a water spraying device is arranged on the conveying supporting device.
The plastic granules are fed into the heating cavity 101 by the plastic extruder through a feeding device, and the plastic granules form a molten plastic colloid in the heating cavity 101. The extruder is further provided with an extruding device 102, and the plastic colloid in the heating cavity 101 is extruded by the extruding device 102, so that the plastic colloid is extruded from the discharge port, and a plastic product corresponding to the shape of the discharge port is formed. During plastic products extrude from the discharge gate, at first outermost end gets into the transport strutting arrangement on the sister of ejection of compact, supports plastic products through carrying strutting arrangement, and carries strutting arrangement can keep away from the discharge gate along with plastic products's extrusion, realizes plastic products's final preparation. Finally, the conveying and supporting device is further provided with a water spraying device, the plastic product is cooled through the water spraying device, the cooling process of the plastic product is accelerated, and the plastic product is prevented from deforming at high temperature.
Specifically, in this embodiment, in order to support and convey the extruded plastic product, the conveying device includes a plurality of sets of roller frames on the discharging frame 106, upper rollers 104 and lower rollers 103 are disposed on the roller frames, and a groove adapted to the cross section of the extruded plastic product is disposed between the upper rollers 104 and the lower rollers 103.
More specifically, in this embodiment, a nozzle is further disposed on the discharging frame 106, and a water pump for pumping water to the nozzle is connected to the nozzle.
More specifically, in order to better support the plastic products and avoid the plastic products from deforming downwards between the roller frames, a conveying belt 105 is further arranged between the adjacent lower rollers 103, and the plastic products are supported by the conveying belt 105.
More specifically, the discharging frame 106 is inclined upwards from a side close to the discharging port to a side far away from the discharging port, the lower roller 103 close to the discharging port is lower than the lower roller 103 far away from the discharging port, and a water spray opening is arranged on a side of the conveying belt 105 far away from the discharging port, and sprays cooling water towards the discharging port. Through the arrangement, the cooling water can flow from one side far away from the discharge port to one side close to the discharge port, and the plastic product is formed to be extruded, and the temperature of the cooling water is reduced by using relatively hot cooling water firstly along with the extrusion of the plastic product. Through the mode, the plastic product can be prevented from being rapidly cooled, and the problem that the plastic product is too fragile or cracked is avoided.
Specifically, the plastic extruding machine further comprises a feeding device, the feeding device comprises a main hopper 1, plastic particles with a first color are stored in the main hopper 1, an auxiliary hopper 2 is further arranged at the upper part of the main hopper 1, a discharging device is further arranged on the auxiliary hopper 2, and the discharging device is used for discharging the stored plastic particles with a second color into the auxiliary hopper 2; the main hopper 1 lower part is provided with the main inlet pipe 4 that extends to the extruding machine, the sub-unit connection of vice hopper 2 has the extension vice inlet pipe 3 of main inlet pipe 4. During the operation of the extruder, it is necessary to place in advance plastic granules having a first color, which are also the main raw material for the preparation of plastic articles, in the main hopper 1. And then discharging the plastic particles with the second color through a discharging device according to a preset rule. The plastic granules of the second colour enter the secondary hopper 2 and then enter the main feed pipe 4 via the secondary feed pipe 3, thereby incorporating the plastic granules of the second colour into the plastic granules of the first colour. In the extrusion molding of the plastic particles with two colors, the plastic particles with the second color are extruded and stretched, and finally, the plastic product is formed with the striped different-color stripes. Compared with the conventional plastic product added with a film with patterns or directly added with pigments, the plastic product obtained by the feeding device of the extruding machine has the advantages that the linear heterochromatic stripes and the whole plastic product are integrated, and the plastic product cannot fall off or fade. And other processes are not needed in the preparation process, so that the process steps are reduced, and the production cost is reduced. In addition, above-mentioned extruding machine loading attachment, vice inlet pipe 3 directly stretches into in main inlet pipe 4, and discharging device directly guides into main inlet pipe 4 with the plastic granules of second colour in, can avoid the plastic granules of two kinds of colours inhomogeneous situation to take place when getting into main inlet pipe 4, and then avoids the inhomogeneous situation of linear heterochromatic stripe.
More specifically, the discharge device comprises a bin 5, the bin 5 being adapted to store plastic granules with a second colour; the lower part of the material box 5 is provided with an opening, the opening is provided with a rotating wheel 12, the rotating wheel 12 is connected with a driving device for driving the rotating wheel 12 to rotate, a groove is formed in the rotating wheel 12, the groove is matched with the plastic particles with the second color, the rotating wheel 12 rotates and discharges the plastic particles with the second color, and the auxiliary hopper 2 is arranged at the lower part of the opening of the material box 5. In the rotating process of the rotating wheel 12, the plastic particles with the second color enter the groove and rotate along with the rotation of the rotating wheel 12, and when the groove with the plastic particles in the rotating wheel 12 rotates to the lower part of the opening of the material box 5 along with the rotating wheel 12, the plastic particles enter the auxiliary hopper 2 under the action of gravity, so that the uniform supply of the plastic particles with the second color is realized.
More specifically, in this embodiment, the discharge opening is configured as a mold with a preset-shaped opening, and the cross section of the plastic colloid extruded from the mold with the preset-shaped opening is the same as the preset shape, so as to form the plastic product with a specific shape. In order to obtain the plastic products of rotatory form stripe, still rotate between mould and the discharge gate and be connected with the rotation piece that has the through-hole, rotate the piece and rotate under the drive of motor, the plastic colloid that gets into the mould at first gets into before getting into the mould and rotates under the drive of rotating the piece, makes the plastic colloid who extrudes from the discharge gate rotatory earlier, the back gets into the mould, and then obtains the plastic products of rotatory form stripe.
More specifically, in this embodiment, the driving device includes a driving motor, the above-mentioned runner 12 and driving motor can be directly connected, but for the convenience of installation, the middle part of the runner 12 is a rotating shaft, the rotating shaft is further connected with a first chain wheel 9, the driving motor is connected with a second chain wheel 13, and the first chain wheel 9 and the second chain wheel 13 are connected through a chain 10.
More specifically, the number of teeth of the first sprocket 99 is greater than the number of teeth of the second sprocket 1313. The rotational speed can be reduced by the above-described arrangement of the number of teeth of the first sprocket 99 and the second sprocket 1313.
More specifically, the magazine 55 is in the form of a hopper.
More specifically, in order to prevent the plastic particles with the second color from being blocked at the lower part of the auxiliary feeding pipe 3, the middle part of the auxiliary feeding pipe 3 is connected with an air inlet pipe 6, and the air inlet pipe 6 is connected with an air blower; the air blower is an intermittent pressure inflator pump. The plastic particles with the second color discharged from the auxiliary feed pipe 3 are incorporated into the plastic particles of the first color by blowing air into the auxiliary feed pipe 3 by a blower.
More specifically, this embodiment still provides the concrete structure of machine of making a video recording, the machine of making a video recording includes the gasbag, the pipeline that admits air of gasbag is connected with the check valve, and the gasbag inhaled air of being convenient for, the gasbag still is connected with intermittent type formula extrusion device, and through intermittent type formula extrusion device's intermittent type formula extrusion, the air admission in messenger's gasbag is vice inlet pipe 3. The intermittent extrusion device can be a telescopic device which can be expanded and contracted according to preset time, the air bag is fixed on an expansion path of the telescopic device, and the air bag is extruded when the telescopic device expands and contracts; the air bag can be arranged in the opening box body, and when the telescopic rod of the telescopic device stretches into the opening box through the opening of the opening box and stretches to the air bag, the air bag can be guaranteed to be stretched and extruded in the opening box.
Preferably, in order to prevent the excessive gas from being discharged from the upper part of the secondary feeding pipe 3, the air blowing effect is improved: in order to improve the air blowing effect and facilitate the air blowing, the middle part of the auxiliary feeding pipe 3 is provided with an expansion cavity 7, the width of the expansion cavity 7 is larger than that of the auxiliary feeding pipe 3, and the expansion cavity 7 is communicated with the air inlet pipe 6; the feed inlet department of reducing chamber 7 articulates there is baffle 8, the rear portion of baffle 8 is provided with the air inlet, intake pipe 6 with intake pipe 6 is linked together. When the air inlet pipe 6 blows air, the air is blown to the baffle plate 8, so that the baffle plate 8 moves towards the opening direction of the upper part of the expanding cavity 7, a feed inlet for plastic particles to enter is further blocked, and the air is blown to the lower part of the auxiliary feed pipe 3.
It is to be understood that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, which is defined by the appended claims and their equivalents, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. A plastic extruding machine comprises a heating cavity, the heating cavity is connected with a feeding device, the heating cavity is also connected with a discharge hole, an extruding device is arranged in the heating cavity, the extruding device extrudes heated molten plastic from the discharge hole, and the plastic extruding machine is characterized in that,
one side of discharge gate is provided with the play work or material rest, be provided with on the play work or material rest and carry strutting arrangement, be provided with water jet equipment on carrying strutting arrangement.
2. An extruder as claimed in claim 1,
the conveying device comprises a plurality of groups of roller frames on the discharging frame, upper rollers and lower rollers which are arranged in an up-down symmetrical mode are arranged on the roller frames, and grooves matched with the cross sections of extruded plastic products are formed between the upper rollers and the lower rollers.
3. An extruder as claimed in claim 2,
still be provided with the shower nozzle on the play work or material rest, the shower nozzle is connected to the water pump to shower nozzle pump water.
4. An extruder as claimed in claim 2,
and a conveying belt is also arranged between the adjacent lower rollers.
5. The extruder of claim 4,
the discharging frame is upwards arranged from one side close to the discharging port to one side far away from the discharging port in an inclined mode, the lower roller close to the discharging port is lower than the lower roller far away from the discharging port, a water spraying opening is formed in one side, far away from the discharging port, of the conveying belt, and the water spraying opening sprays cooling water towards the direction of the discharging port.
6. The extruder of claim 1,
the feeding device comprises a main hopper, plastic particles with a first color are stored in the main hopper, an auxiliary hopper is further arranged at the upper part of the main hopper, and a discharging device is further arranged on the auxiliary hopper and used for discharging the stored plastic particles with a second color into the auxiliary hopper;
the main hopper lower part is provided with the main feeding pipe that extends to the extruding machine, the sub-unit connection of vice hopper has the extension vice inlet pipe of main feeding pipe.
7. The extruder feeding device of claim 6,
the discharging device comprises a material box, and the material box is used for storing plastic particles with a second color;
the lower part of the material box is provided with an opening, the opening is provided with a rotating wheel, the rotating wheel is connected with a driving device for driving the rotating wheel to rotate, a groove is formed in the rotating wheel, the groove is matched with the plastic particles with the second color, the rotating wheel discharges the plastic particles with the second color in a rotating process, and the auxiliary hopper is arranged at the lower part of the opening of the material box.
8. The extruder feeding apparatus of claim 6,
the middle part of the auxiliary feeding pipe is connected with an air inlet pipe, and the air inlet pipe is connected with an air blowing machine; the air blower is an intermittent pressure inflator pump.
9. The extruder charging apparatus of claim 8,
the air blower comprises an air bag, an air inlet pipe of the air bag is connected with a one-way valve, and the air bag is further connected with an intermittent extrusion device.
10. The extruder charging apparatus of claim 8,
the middle part of the auxiliary feeding pipe is provided with a diameter expanding cavity, the width of the diameter expanding cavity is larger than that of the auxiliary feeding pipe, and the diameter expanding cavity is communicated with the air inlet pipe;
the feed inlet department in reducing chamber articulates there is the baffle, the rear portion of baffle is provided with the air inlet, the intake pipe with the intake pipe is linked together.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210975916.3A CN115284572A (en) | 2022-08-15 | 2022-08-15 | Plastic extruding machine |
| PCT/CN2023/103602 WO2024037206A1 (en) | 2022-08-15 | 2023-06-29 | Plastic extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210975916.3A CN115284572A (en) | 2022-08-15 | 2022-08-15 | Plastic extruding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115284572A true CN115284572A (en) | 2022-11-04 |
Family
ID=83830796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210975916.3A Pending CN115284572A (en) | 2022-08-15 | 2022-08-15 | Plastic extruding machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115284572A (en) |
| WO (1) | WO2024037206A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037206A1 (en) * | 2022-08-15 | 2024-02-22 | 济宁金筑工贸有限公司 | Plastic extruder |
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