CN115107216B - Pre-compression molding injection molding machine - Google Patents
Pre-compression molding injection molding machine Download PDFInfo
- Publication number
- CN115107216B CN115107216B CN202210497365.4A CN202210497365A CN115107216B CN 115107216 B CN115107216 B CN 115107216B CN 202210497365 A CN202210497365 A CN 202210497365A CN 115107216 B CN115107216 B CN 115107216B
- Authority
- CN
- China
- Prior art keywords
- shell
- die
- pressing
- worm
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000748 compression moulding Methods 0.000 title claims abstract description 26
- 238000001746 injection moulding Methods 0.000 title abstract description 7
- 238000003825 pressing Methods 0.000 claims abstract description 91
- 238000007723 die pressing method Methods 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 69
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000004140 cleaning Methods 0.000 claims description 31
- 238000000465 moulding Methods 0.000 claims description 31
- 239000002699 waste material Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 15
- 238000005056 compaction Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 description 26
- 239000000243 solution Substances 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 150000001875 compounds Chemical class 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 7
- 239000004744 fabric Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000003779 heat-resistant material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of injection molding machines, and particularly relates to a pre-compression molding injection molding machine, which comprises: a pre-compression molding machine, comprising: a prepressing device, a preheating device and a mould pressing device; characterized by further comprising: the shell is used for fixing the pre-pressing device preheating device and the die pressing device; the conveying device is fixedly arranged in the shell and used for conveying the modules; the pre-pressing device, the pre-heating device and the die pressing device are sequentially arranged above the conveying device from left to right, and the pre-heating device, the guiding device and the die pressing device are all arranged above the conveying device. The mould pressing link is continuous, reduces the burden of workers, saves working time and improves working efficiency.
Description
Technical Field
The invention belongs to the technical field of injection molding machines, and particularly relates to a pre-compression molding injection molding machine.
Background
The compression molding process is that a certain amount of prepreg is put into a matched mould cavity of a metal mould, a press with a heat source is used for generating certain temperature and pressure, and after the mould is matched, the prepreg is heated and softened in the mould cavity, flows under pressure, is full of flow, is full of the mould cavity for molding and curing under the action of certain temperature and pressure, so that a composite material product is obtained.
The compression molding method has higher production efficiency, accurate product size and smooth surface, and particularly can generally mold composite material products with complex structures at one time without damaging the performance of the composite material products.
The existing compression molding links are divided into prepressing, preheating and compression molding, and prepressing: an operation of preliminarily pressing the powder or fibrous molding compound into a certain shape for the purpose of improving the quality of the product, improving the molding efficiency, etc.; preheating: to improve the processability of the molding compound, shorten the molding cycle, etc., the molding compound is heated before molding; and (3) mould pressing: adding required amount of plastic into a mold, closing the mold, exhausting, maintaining at the molding temperature and pressure for a period of time, demolding and cleaning the mold, and performing the operation of the mold, wherein the compression molding has more links, and the next link can be performed after the work of one link is completed, so that the time is wasted and the working efficiency cannot be improved due to the operation of moving the mold.
Disclosure of Invention
The invention aims to provide a pre-compression molding machine, and aims to solve the specific problems that the existing compression molding link is divided into pre-compression, pre-heating and compression molding, wherein the pre-compression is as follows: an operation of preliminarily pressing the powder or fibrous molding compound into a certain shape for the purpose of improving the quality of the product, improving the molding efficiency, etc.; preheating: to improve the processability of the molding compound, shorten the molding cycle, etc., the molding compound is heated before molding; and (3) mould pressing: the required amount of plastic is added into the mould, the mould is closed, the air is exhausted, the mould is maintained for a period of time at the moulding temperature and the pressure, then the mould is removed and cleared, the mould pressing links are more, the next link can be carried out after the work of one link is completed, at this time, the mould is required to be moved by the operation, the time is wasted, the working efficiency is not improved, and the labor force is increased.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a pre-compression molding machine, comprising: a prepressing device, a preheating device and a mould pressing device;
further comprises:
the shell is used for fixing the pre-pressing device preheating device and the die pressing device;
the conveying device is fixedly arranged inside the shell and used for conveying the modules;
the pre-pressing device, the preheating device and the die pressing device are sequentially arranged above the conveying device from left to right.
The preheating device, the guiding device and the mould pressing device are all arranged above the conveying device.
Preferably, the pre-compaction device left side is equipped with the material device that passes, the material device that passes includes:
the shell is fixedly connected to the outer wall of the left side of the pre-pressing device; the shell is divided into a first chamber and a second chamber by a baffle plate;
the material guiding shell is fixedly arranged at the upper end of the shell; the two guide shells are symmetrically arranged along the vertical center of the shell, and the guide shells are communicated with the second chamber through a guide pipe; the upper end and the lower end of the guide shell are thick and thin;
the auger is arranged in the second chamber and is transversely placed left and right; a stirring rod is fixedly connected between the blades of the auger;
the worm is arranged in the first chamber, the right end of the worm penetrates through the baffle plate to be fixedly connected with the left end of the auger, and the left end of the worm penetrates through the shell and extends to the outside;
the two worm gears are respectively arranged at two sides of the worm, the upper end of the worm gear is fixedly connected with a cleaning rod through a connecting rod, the cleaning rod is arranged in the guide shell, and the surface of the cleaning rod is attached to the inside of the guide shell and is provided with a gap; the upper end of the cleaning rod is provided with a conical shape with a dome;
the motor A is fixedly connected to the left side of the shell and fixedly connected with the worm;
the first air pipe penetrates through the shell and is communicated with the second chamber, and the other end of the first air pipe is placed in the upper end of the guide shell;
the second air pipe is rotationally connected with the left end of the worm;
the worm and the auger are hollow structures, air holes are formed in the outer wall of the auger, and air can enter a second room through the first air pipe, the inside of the worm, the inside of the auger and the air holes;
preferably, the pre-pressing device includes:
the pre-pressing upper die is fixedly arranged at the upper end of the left side of the shell and is fixedly connected with one side, far away from the motor A, of the shell;
the pre-pressing lower die is arranged on the right side of the pre-pressing upper die;
the cavity A is formed in the pre-pressing die;
the material through opening is communicated with the discharge opening, so that materials can be conveyed into the cavity A through the material through opening;
the A cylinder is fixedly arranged on the inner wall of the right side of the shell and fixedly connected with the pre-pressing lower die and used for driving the pre-pressing lower die;
the ejector rod, ejector rod one end fixed connection is on the A cylinder, the other end of ejector rod runs through the presupposition mould, and ejector rod and A die cavity bottom surface parallel and level.
Preferably, the conveying device includes:
the motor B is fixedly arranged at the front end of the shell;
the two transmission shafts are respectively arranged inside two ends of the shell, and two ends of the transmission shaft are rotationally connected with inner walls of the front end and the rear end of the shell.
And the motor B is fixedly connected with one end of the left transmission shaft, and a transmission belt is arranged on the transmission shaft, so that the model is convenient to transmit.
Preferably, the motor A is a hollow motor;
preferably, the right side of the preheating device is provided with
And a guide device, wherein a gap is reserved between the guide device and the transmission belt.
Preferably, the molding device includes:
the lower die is pressed down, and one side of the lower die is fixedly connected with the inner wall of the shell close to one side of the motor B;
the lower end of the B cavity is flush with the upper end of the driving belt;
the bulge is arranged on the right side of the cavity B;
the upper die is arranged on the other side of the lower die, and a groove matched with the protrusion is formed in the upper die;
the cylinder B is fixedly connected with the inner wall of the shell at one side far away from the lower die of the die and used for driving the upper die of the die;
the waste material port is formed in the outer wall of one side of the lower die of the die;
and the C cylinder is fixedly connected to the outer wall of the shell close to the lower die of the die, and is used for ejecting the die in the cavity B after the die pressing device is operated.
Preferably, the B motor is a stepper motor.
Preferably, a blanking box is arranged on the right side of the conveying device.
Preferably, a waste box is arranged below the lower die of the inner die of the shell and below the waste port.
Compared with the prior art, the invention has the beneficial effects that:
1. the pre-pressing device is used for pre-pressing the material, then the pre-pressed model enters the pre-pressing device through the conveying device to pre-heat the pre-pressed model, the conveying device conveys the pre-heated model again, finally the pre-pressed model enters the mould pressing device through the conveying device to mould the model, and the moulded model is transported to the next link through the conveying device; by arranging the shell, the pre-pressing device, the preheating device and the die pressing device are connected in series on a production line, and manual re-conveying is not needed; the mould pressing link is continuous, reduces the burden of workers, saves working time and improves working efficiency.
Drawings
FIG. 1 is an illustrative view of the present invention;
FIG. 2 is a top partial cross-sectional view of the present invention;
FIG. 3 is a left side partial cross-sectional view of the present invention;
FIG. 4 is a front cross-sectional view of the material transfer device of the present invention;
FIG. 5 is a schematic cross-sectional view of section A-A of FIG. 4 in accordance with the present invention.
In the figure: the pre-pressing device 1, the pre-pressing upper die 11, the feed port 111, the pre-pressing lower die 12, the A cavity 121, the ejector rod 122, the A cylinder 13, the housing 2, the blanking box 21, the waste box 22, the material conveying device 3, the housing 301, the baffle 302, the first chamber 303, the second chamber 304, the material guiding shell 305, the material guiding pipe 306, the auger 307, the stirring rod 308, the worm 309, the worm wheel 310, the cleaning rod 311, the A motor 312, the first air pipe 313, the second air pipe 314, the air hole 315, the conveying device 4, the B motor 41, the transmission shaft 42, the transmission belt 43, the preheating device 5, the guiding device 6, the molding device 7, the molding lower die 71, the B cavity 711, the protrusion 712, the waste port 713, the molding upper die 72, the B cylinder 73 and the C cylinder 74.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a pre-compression molding injection machine, which solves the specific problems that the existing compression molding link is divided into pre-compression, pre-heating and compression molding, and pre-compression is carried out: an operation of preliminarily pressing the powder or fibrous molding compound into a certain shape for the purpose of improving the quality of the product, improving the molding efficiency, etc.; preheating: to improve the processability of the molding compound, shorten the molding cycle, etc., the molding compound is heated before molding; and (3) mould pressing: the required amount of plastic is added into the mould, the mould is closed, the air is exhausted, the mould is maintained for a period of time at the moulding temperature and the pressure, then the mould is removed and cleared, the mould pressing links are more, the next link can be carried out after the work of one link is completed, at this time, the mould is required to be moved by the operation, the time is wasted, the working efficiency is not improved, and the labor force is increased.
The technical scheme in the embodiment of the invention aims to solve the technical problems, and the overall thought is as follows: according to the invention, the material is pre-pressed firstly by arranging the conveying device 4, the pre-heating device 5 and the mould pressing device 7, then the pre-pressed mould enters the pre-heating device 5 through the conveying device 4 to pre-heat the pre-pressed mould, the conveying device 4 conveys the pre-heated mould again, finally the pre-pressed mould enters the mould pressing device 7 through the conveying device 4 to mould the mould, and the moulded mould is transported to the next link through the conveying device. For a better understanding of the above technical solution, please refer to fig. 1 to 5, in an embodiment of the present invention, a pre-molding injection molding machine includes: a prepressing device 1, a preheating device 5 and a mould pressing device 7;
further comprises:
a housing 2, wherein the housing 2 is used for fixing the prepressing device 1, the preheating device 5 and the mould pressing device 7;
a transfer device 4, wherein the transfer device 4 is fixedly arranged inside the shell 2 and is used for transferring modules;
the pre-pressing device 1, the pre-heating device 5 and the mould pressing device 7 are arranged above the conveying device 4 in sequence from left to right.
According to the invention, the material is pre-pressed firstly by arranging the conveying device 4, the pre-heating device 5 and the mould pressing device 7, then the pre-pressed mould enters the pre-heating device 5 through the conveying device 4 to pre-heat the pre-pressed mould, the conveying device 4 conveys the pre-heated mould again, finally the pre-pressed mould enters the mould pressing device 7 through the conveying device 4 to mould the mould, and the moulded mould is transported to the next link through the conveying device; by arranging the shell 2, the prepressing device 1, the preheating device 5 and the mould pressing device 7 are connected in series on a production line, and manual re-conveying is not needed;
compared with the existing mould pressing links, the mould pressing link is continuous, reduces the burden of staff, saves working time and improves working efficiency.
As an embodiment of the present invention, a material conveying device 3 is disposed on the left side of the pre-pressing device 1, and the material conveying device 3 includes:
the shell 301 is fixedly connected to the left outer wall of the pre-pressing device 1; the housing 301 is divided into a first chamber 303 and a second chamber 304 by a baffle 302;
the material guiding shell 305 is fixedly arranged at the upper end of the shell 301; the number of the material guiding shells 305 is two, and the material guiding shells 305 are symmetrically arranged along the vertical center of the shell 301, and the material guiding shells 305 are communicated with the second chamber 304 through a material guiding pipe 306; the upper end and the lower end of the material guiding shell 305 are thick and thin;
the auger 307 is arranged in the second chamber 304 and is transversely arranged left and right; a stirring rod 308 is fixedly connected between the blades of the auger 307;
the worm 309, the worm 309 is disposed inside the first chamber 303, the right end of the worm 309 penetrates through the baffle 302 and is fixedly connected with the left end of the auger 307, and the left end of the worm 309 penetrates through the housing 301 and extends to the outside;
the two worm gears 310 are respectively arranged at two sides of the worm 309, the upper end of the worm gear 310 is fixedly connected with a cleaning rod 311 through a connecting rod, the cleaning rod 311 is arranged in the guide shell 305, and the surface of the cleaning rod 311 is attached to the inside of the guide shell 305 and is provided with a gap; the upper end of the cleaning rod 311 is provided in a conical shape with a dome;
the A motor 312, wherein the A motor 312 is fixedly connected to the left side of the shell 301, and the A motor 312 is fixedly connected with the worm 309;
a first air pipe 313, wherein one section of the first air pipe 313 penetrates through the shell 301 and is communicated with the second chamber 304, and the other end of the first air pipe 313 is placed inside the upper end of the guide shell 305;
a second air pipe 314, wherein the second air pipe 314 is rotatably connected with the left end of the worm 309;
the worm 309 and the auger 307 are hollow structures, air holes 315 are formed in the outer wall of the auger 307, and air can enter the second chamber 304 through the first air pipe 313, the inside of the worm 309, the inside of the auger 307 and the air holes 315;
when the blanking step is performed, firstly, an A motor 312 is started, the A motor 312 rotates, the A motor 312 is fixedly connected with a worm 309, the right end of the worm 309 penetrates through a baffle 302 to be fixedly connected with the left end of the auger 307, the A motor 312 drives the worm 309 and the auger 307 to rotate, and a stirring rod 308 is fixed on a blade of the auger 307, so that the stirring rod 308 also rotates along with the rotation; at the same time, the two worm wheels 310 are meshed with the worm 309, the worm 309 rotates to drive the worm wheel 310 to rotate, the upper end of the worm wheel 310 is fixedly connected with a cleaning rod 311 through a connecting rod, the cleaning rod 311 also rotates along with the cleaning rod, a water absorbing cloth is arranged on the cleaning rod 311,
at this time, the cleaned plastic particles are poured into the two material guiding shells 305, the surfaces of the cleaning rods 311 are attached to the inside of the material guiding shells 305 and are provided with gaps, the width of the gaps is the same as the diameter of the plastic particles, the plastic particles can move downwards along the gaps, the cleaning rods 311 can remove water stains attached to the plastic particles, the upper end and the lower end of the material guiding shells 305 are thick and thin in the middle, the surfaces of the cleaning rods 311 are attached to the inside of the material guiding shells 305, on one hand, the retention time of the plastic particles in the material guiding shells 305 is increased, on the other hand, the cleaning rods 311 can fully contact and clean the plastic particles, the plastic particles can be rolled by the cleaning rods 311, all sides of the plastic particles can be cleaned, and the plastic particles move downwards by gravity; the cleaning of the water stain is to prevent the water stain from becoming water vapor in the process of melting the plastic solution, so that small bubbles are doped in the plastic solution;
the cleaned plastic particles enter the left end of the second chamber 304 through the material guide pipe 306, the auger 307 rotates to convey the plastic particles to the right, stirring rods 308 are fixedly connected to blades of the auger 307, the number of the stirring rods 308 is larger than one, the stirring rods 308 stir the plastic particles in the rotating process to promote the mixing of the plastic particles, four annular heating rings are arranged at the outer end of the shell, and the plastic particles are gradually melted from left to right;
meanwhile, the air pump is started to blow air into the second air pipe 314, the air is blown outwards through the air hole 315 through the inside of the worm 309 and the inside of the dragon, the inside of the air hole 315 is provided with the one-way valve, and the one-way valve is made of heat-resistant materials, so that the problem that plastic particles are melted by the heating ring can be borne, the one-way valve can be used normally, the plastic solution can not enter the inside of the auger 307, the air is blown to the plastic solution, on one hand, the air hole 315 above the plastic solution is blown to the plastic solution to form air, the pressure of the one-way valve can be relatively small, so that the air hole 315 above the plastic solution has relatively large air blowing force, the rebound of the inner wall of the shell 301 can drive the plastic solution to sufficiently fuse different types of plastic solutions, on the other hand, the air hole 315 below the plastic solution is blown to form liquid, and the air is easy to form large air bubbles under the condition that the pressure of the one-way valve is large, so that the air can further promote the fusion of the plastic solution, and the large air bubbles contained in the plastic solution can be taken away by the large air bubbles by the blown out of the air;
then gas can enter the inside of the first air pipe 313 through the one-way valve at the right end of the first air pipe 313, and the gas contains heat, and is sprayed out of the upper end of the guide shell 305 through the first air pipe 313 to the inside of the guide shell 305, so that on one hand, the water stains on the surface of the cleaned plastic particles are further removed, and on the other hand, the water absorbing cloth on the cleaning rod 311 is also dried, so that the water absorbing cloth can continuously absorb water.
As an embodiment of the present invention, the pre-pressing device 1 includes:
the pre-pressing upper die 11 is fixedly arranged at the upper end of the left side of the shell 2, and the pre-pressing upper die 11 is fixedly connected with one side, far away from the motor A312, of the shell 301;
a pre-pressing lower die 12, wherein the pre-pressing lower die 12 is arranged on the right side of the pre-pressing upper die 11;
the A cavity 121, the A cavity 121 is opened in the interior of the pre-pressing die 12;
the material through hole 111, wherein the material through hole 111 is communicated with the material outlet 322, so that materials can be conveyed into the A cavity 121 through the material through hole 111;
the A cylinder 13 is fixedly arranged on the inner wall of the right side of the shell 2, and the A cylinder 13 is fixedly connected with the pre-pressing lower die 12 and used for driving the pre-pressing lower die 12;
one end of the ejector rod 122 is fixedly connected to the A cylinder 13, the other end of the ejector rod 122 penetrates through the pre-pressing die 12, and the ejector rod 122 is flush with the bottom surface of the A cavity 121.
The material enters an A cavity 121 in a pre-pressing die 12 through a material through hole 111, the pre-pressing die 11 is fixedly connected with the shell 2, at the moment, the pre-pressing die 11 is fixed, an A cylinder 13 is fixed with the inner wall of the shell 2, and the A cylinder 13 is fixedly connected with a pre-pressing lower die 12 and used for driving the pre-pressing die 12;
in the pre-compaction process, the one end of ejector pin 122 and A die cavity 121 bottom surface parallel and level guarantees can not reveal in the pre-compaction process, after pre-compaction shaping finishes, drives A cylinder 13, drives pre-pressing die 12 and keeps away from pre-pressing upper die 11, pre-pressing lower die 12 and pre-pressing upper die 11 separately, and ejector pin 122 other end fixed connection is on A cylinder 13, and the position of ejector pin 122 is fixed, and the ejector pin 122 ejects the model in the A die cavity 121, and material transfer device 3 continues to convey the material this moment, extrudes after a period, and the model drops on conveyer 4.
As an embodiment of the present invention, the transfer device 4 includes:
the B motor 41 is fixedly arranged at the front end of the shell 2;
the transmission shafts 42, two transmission shafts 42 are respectively arranged inside two ends of the shell 2, and two ends of the transmission shafts 42 are rotatably connected with inner walls of front and rear ends of the shell 2.
The motor 41 is fixedly connected with one end of a left transmission shaft 42, and a transmission belt 43 is arranged on the transmission shaft 42, so that model transmission is facilitated.
The motor B41 is fixedly arranged at the front end of the shell 2, at the moment, the motor B41 is fixed in position, two transmission shafts 42 are respectively arranged inside two ends of the shell 2, two ends of each transmission shaft 42 are rotatably connected with inner walls of the front end and the rear end of the shell 2, the motor B41 is fixedly connected with one end of each transmission shaft 42, the transmission shafts 42 are fixed in position, the transmission belts 43 are arranged on the transmission shafts, at the moment, the motion stability of the transmission belts is guaranteed, the motor B41 is started, the motor B41 works, the transmission shafts 42 are driven to rotate, the transmission belts 43 are driven to move, and the model is transported.
As an embodiment of the present invention, the a motor 312 is a hollow motor;
by setting the a motor 312 as a hollow motor; the second air pipe 314 can transfer air to the inside of the worm 309 while driving the worm 309 to rotate.
As an embodiment of the present invention, a guiding device 6 is disposed on the right side of the preheating device 5, and a gap is left between the guiding device 6 and the driving belt 43.
The right side of the preheating device 5 is provided with the guide device 6, one end of the guide device 6, which is close to the preheating device 5, is wide, the width of the end, which is close to the mould pressing device 7, is gradually reduced, when the width of the mould is reduced to the required width of the mould pressing device, a part of the distance is extended rightwards, at the moment, the preheated mould is horizontally placed in order through the guide device 6, the mould pressing is prepared, a gap is reserved between the guide device 6 and the driving belt 43, the guide device 6 and the driving belt 43 are not contacted with each other when the driving belt 43 moves, friction between the guide device 6 and the driving belt 43 is reduced, and the service life of the guide device 6 and the driving belt 43 is prolonged.
As an embodiment of the present invention, the molding device 7 includes:
a lower die 71, wherein one side of the lower die 71 is fixedly connected with the inner wall of the shell 2 close to one side of the motor 41B;
a B cavity 711, wherein the B cavity 711 is formed inside the lower die 71, and the lower end of the B cavity 711 is flush with the upper end of the driving belt 43;
a protrusion 712, wherein the protrusion 712 is arranged on the right side of the B cavity 711;
the upper mould 72 is arranged at the other side of the lower mould 71, and a groove matched with the protrusion 712 is formed in the upper mould 72;
the B cylinder 73 is fixedly connected with the inner wall of the shell 2 at one side far away from the die pressing die 71 and used for driving the die pressing die 72;
a scrap port 713, said scrap port 713 being formed in an outer wall of one side of the lower die 71;
a C-cylinder 74, said C-cylinder 74 being fixedly connected to the outer wall of the housing 2 adjacent to the lower die 71, said C-cylinder 74 being adapted to eject the mold in the B-cavity 711 after the operation of the molding device 7 has been completed.
For example, in the moving state of fig. 2, the B cylinder 73 moves to drive the upper die 72 to be separated from the lower die 71, at this time, the die finished by the material guiding device 31 enters between the upper die 72 and the lower die 71, and when the die contacts with the protrusion 712, the protrusion 712 prevents the die from moving continuously, at this time, the B motor 41 is turned off to stop the movement of the belt 43;
the B cylinder 73 moves to drive the upper die 72 to approach the lower die 71, and simultaneously pushes the die to move into the B cavity 711 until the upper die 72 covers the lower die 71, the die completely enters the B cavity 711, redundant materials exist in the die pressing process, and the redundant materials are discharged out of the B cavity 711 through the waste port 713;
after the molding is completed, the B cylinder 73 is started, the mold upper die 72 is driven to be away from the mold upper die 72, the C cylinder 74 is driven to eject the mold in the B cavity 711, and the ejected mold falls on the belt 43.
As an embodiment of the present invention, the B motor 41 is a stepping motor.
The B motor 41 is set as a stepping motor, and the movement of the belt 43 is intermittent throughout the operating state, ensuring that the model stays in the belt 43 for a period of time at each stage.
As an embodiment of the present invention, a blanking box 21 is disposed on the right side of the conveying device 4.
The molded mold falls on the driving belt 43, at this time, the motor 41 is started, the driving belt 43 moves to drive the molded mold to move towards the blanking box 21, and after a period of movement, the mold falls into the blanking box 21.
As an embodiment of the present invention, the waste box 22 is opened below the lower die 71 and below the waste port 713 of the inner die of the housing 2.
Excess material is discharged by die pressing, and a waste box 22 is arranged below the waste hole 713, so that the excess material falls into the waste box 22, and the material is collected, thereby optimizing the movement environment.
Working principle: when the blanking step is performed, the a motor 312 is first turned on, the a motor 312 is rotated,
the a motor 312 rotates the worm 309 and auger 307,
the stirring bar 308 also rotates; at the same time, the two worm wheels 310 are meshed with the worm 309, the worm 309 rotates to drive the worm wheel 310 to rotate, the upper end of the worm wheel 310 is fixedly connected with a cleaning rod 311 through a connecting rod, the cleaning rod 311 also rotates along with the cleaning rod, a water absorbing cloth is arranged on the cleaning rod 311,
at this time, the cleaned plastic particles are poured into the inside of the two guide cases 305,
the plastic particles move downward along the slits, the cleaning bars 311 remove water stains attached to the plastic particles,
the cleaned plastic particles enter the left end of the second chamber 304 through the material guide pipe 306, the auger 307 rotates to convey the plastic particles to the right, stirring rods 308 are fixedly connected to blades of the auger 307, the number of the stirring rods 308 is larger than one, the stirring rods 308 stir the plastic particles in the rotating process to promote the mixing of the plastic particles, four annular heating rings are arranged at the outer end of the shell, and the plastic particles are gradually melted from left to right;
meanwhile, the air pump is started to blow air into the second air pipe 314, the air is blown outwards through the air hole 315 through the inside of the worm 309 and the inside of the dragon, the inside of the air hole 315 is provided with the one-way valve, and the one-way valve is made of heat-resistant materials, so that the problem that plastic particles are melted by the heating ring can be borne, the one-way valve can be used normally, the plastic solution can not enter the inside of the auger 307, the air is blown to the plastic solution, on one hand, the air hole 315 above the plastic solution is blown to the plastic solution to form air, the pressure of the one-way valve can be relatively small, so that the air hole 315 above the plastic solution has relatively large air blowing force, the rebound of the inner wall of the shell 301 can drive the plastic solution to sufficiently fuse different types of plastic solutions, on the other hand, the air hole 315 below the plastic solution is blown to form liquid, and the air is easy to form large air bubbles under the condition that the pressure of the one-way valve is large, so that the air can further promote the fusion of the plastic solution, and the large air bubbles contained in the plastic solution can be taken away by the large air bubbles by the blown out of the air;
then gas can enter the inside of the first air pipe 313 through the one-way valve at the right end of the first air pipe 313, and the gas contains heat, and is sprayed out of the upper end of the guide shell 305 through the first air pipe 313 to the inside of the guide shell 305, so that on one hand, the water stains on the surface of the cleaned plastic particles are further removed, and on the other hand, the water absorbing cloth on the cleaning rod 311 is also dried, so that the water absorbing cloth can continuously absorb water.
The material enters the material through hole 322 into the material through hole 111 in the pre-pressing die 11, then enters the cavity A121 in the pre-pressing die 12, and the cylinder A13 is fixedly connected with the pre-pressing die 12 and is used for driving the pre-pressing die 12;
after the pre-pressing forming is finished, the A cylinder 13 is driven to drive the pre-pressing die 12 to be far away from the pre-pressing upper die 11, the pre-pressing lower die 12 is separated from the pre-pressing upper die 11, and the ejector rod 122 ejects the model in the A cavity 121.
The motor B41 is started, and the motor B41 works to drive the transmission shaft 42 to rotate and drive the transmission belt 43 to move.
The ejector rod 122 ejects the model, the material conveying device 3 continues to convey materials, at the moment, the material in the material through hole 111 extrudes the model to enable the model after prepressing to fall on the driving belt 43, the driving belt 43 moves to drive the model to enter the preheating device 5, heat is emitted, and the model is preheated.
For example, in the moving state of fig. 2, the B cylinder 73 moves to drive the upper die 72 and the lower die to be separated, at this time, the die finished by the guide device 6 enters between the upper die 72 and the lower die, and when the die contacts with the protrusion 712, the protrusion 712 prevents the die from moving further, at this time, the B motor 41 is turned off to stop the movement of the belt 43;
the B cylinder 73 moves to drive the upper die to approach the lower die 71, and simultaneously pushes the die to move into the B cavity 711 until the upper die covers the lower die 71, the die completely enters the B cavity 711, redundant materials exist in the die pressing process, the redundant materials are discharged out of the B cavity 711 through the waste port 713, and the redundant materials fall into the waste box 22 to collect the materials;
after the die pressing is finished, starting a B cylinder 73, driving the die pressing upper die to be far away from the die pressing upper die, driving a C cylinder 74, pushing out the die in a B cavity 711, and dropping the pushed-out die on the driving belt 43; at this time, the motor 41 is started, the driving belt 43 moves to drive the molded mold to move towards the blanking box 21, and the mold falls into the blanking box 21 after a period of movement.
The technical features of the above embodiments may be combined in any way, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described, however, the description thereof is more specific and detailed and should not be construed as limiting the scope of the invention as long as the combinations of the technical features do not exist, the above embodiments only represent several embodiments of the invention; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the invention, all of which fall within the scope of protection of the invention; accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. A pre-compression molding machine, comprising: a prepressing device (1), a preheating device (5) and a mould pressing device (7);
characterized by further comprising:
the shell (2) is used for fixing the pre-pressing device (1), the preheating device (5) and the die pressing device (7);
the conveying device (4) is fixedly arranged inside the shell (2) and is used for conveying the modules;
the pre-pressing device (1), the pre-heating device (5) and the die pressing device (7) are sequentially arranged above the conveying device (4) from left to right;
the preheating device (5), the guiding device (6) and the mould pressing device (7) are all arranged above the conveying device (4);
the pre-compaction device (1) left side is equipped with material transfer device (3), material transfer device (3) include:
the shell (301), the said shell (301) is fixedly connected to the outer wall of left side of the pre-pressing device (1); the shell (301) is divided into a first chamber (303) and a second chamber (304) by a baffle plate (302);
the material guiding shell (305), the material guiding shell (305) is fixedly arranged at the upper end of the shell (301); the number of the material guide shells (305) is two, the material guide shells are symmetrically arranged along the vertical center of the shell (301), and the material guide shells (305) are communicated with the second chamber (304) through a material guide pipe (306); the upper end and the lower end of the material guiding shell (305) are thick and thin;
the auger (307) is arranged in the second chamber (304) and is transversely placed left and right; a stirring rod (308) is fixedly connected between the blades of the auger (307);
the worm (309), the worm (309) is arranged in the first chamber (303), the right end of the worm (309) penetrates through the baffle (302) and is fixedly connected with the left end of the auger (307), and the left end of the worm (309) penetrates through the shell (301) and extends to the outside;
the two worm gears (310) are respectively arranged at two sides of the worm (309), the upper end of the worm gear (310) is fixedly connected with a cleaning rod (311) through a connecting rod, the cleaning rod (311) is arranged in the guide shell (305), and the surface of the cleaning rod (311) is attached to the inside of the guide shell (305) and is provided with a gap; the upper end of the cleaning rod (311) is provided with a conical shape with a dome;
the motor A (312), the motor A (312) is fixedly connected to the left side of the shell (301), and the motor A (312) is fixedly connected with the worm (309);
the first air pipe (313), one section of the first air pipe (313) penetrates through the shell (301) and is communicated with the second chamber (304), and the other end of the first air pipe (313) is placed inside the upper end of the guide shell (305);
the second air pipe (314), the second air pipe (314) is rotationally connected with the left end of the worm (309);
the worm (309) and the auger (307) are hollow structures, air holes (315) are formed in the outer wall of the auger (307), and air can enter the second chamber (304) through the first air pipe (313), the inside of the worm (309), the inside of the auger (307) and the air holes (315).
2. A pre-compression molding machine as defined in claim 1, wherein: the pre-pressing device (1) comprises:
the pre-pressing upper die (11) is fixedly arranged at the upper end of the left side of the shell (2), and the pre-pressing upper die (11) is fixedly connected with one side, far away from the motor A (312), of the shell (301);
the pre-pressing lower die (12) is arranged on the right side of the pre-pressing upper die (11);
the A cavity (121) is formed in the pre-pressing die (12);
the material passing opening (111), the material passing opening (111) is communicated with the material discharging opening (322), so that materials can be conveyed into the cavity A (121) through the material passing opening (111), and the material passing opening (111) is short;
the A cylinder (13) is fixedly arranged on the inner wall of the right side of the shell (2), and the A cylinder (13) is fixedly connected with the pre-pressing lower die (12) and used for driving the pre-pressing lower die (12);
the ejector rod (122), ejector rod (122) one end fixed connection is on A cylinder (13), the other end of ejector rod (122) runs through presupposition mould (12), and ejector rod (122) and A die cavity (121) bottom surface parallel and level.
3. A pre-compression molding machine as defined in claim 1, wherein: the transfer device (4) comprises:
the motor B (41) is fixedly arranged at the front end of the shell (2);
the two transmission shafts (42) are respectively arranged inside two ends of the shell (2), and two ends of the transmission shafts (42) are rotatably connected with inner walls of front and rear ends of the shell (2);
the motor B (41) is fixedly connected with one end of the left transmission shaft (42), and a transmission belt (43) is arranged on the transmission shaft (42) so as to facilitate model transmission.
4. A pre-compression molding machine as defined in claim 2, wherein: the A motor (312) is a hollow motor.
5. A pre-compression molding machine as defined in claim 1, wherein: the right side of the preheating device (5) is provided with a guiding device (6), and a gap is reserved between the guiding device (6) and the driving belt (43).
6. A pre-compression molding machine as defined in claim 1, wherein: the molding device (7) comprises:
a die pressing lower die (71), wherein one side of the die pressing lower die (71) is fixedly connected with the inner wall of the shell (2) close to one side of the motor B (41);
the B cavity (711) is formed in the lower die (71), and the lower end of the B cavity (711) is level with the upper end of the driving belt (43);
the bulge (712) is arranged on the right side of the B cavity (711);
the upper die (72) is arranged on the other side of the lower die (71), and a groove matched with the protrusion (712) is formed in the upper die (72);
the B air cylinder (73) is fixedly connected with the inner wall of the shell (2) at one side far away from the die pressing die (71) and used for driving the die pressing die (72);
a waste port (713), wherein the waste port (713) is arranged on the outer wall of one side of the lower die (71);
the C cylinder (74), C cylinder (74) fixed connection is close to the shell (2) outer wall of mould lower mould (71), C cylinder (74) are used for ejecting the model in B die cavity (711) after mould pressing device (7) finishes the operation.
7. A pre-compression molding machine as claimed in claim 3, wherein: the motor B (41) is a stepping motor.
8. A pre-compression molding machine as defined in claim 1, wherein: and a blanking box (21) is arranged on the right side of the conveying device (4).
9. A pre-compression molding machine as defined in claim 1, wherein: a waste box (22) is arranged below the lower die (71) of the inner die of the shell (2) and below the waste port (713).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210497365.4A CN115107216B (en) | 2022-05-09 | 2022-05-09 | Pre-compression molding injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210497365.4A CN115107216B (en) | 2022-05-09 | 2022-05-09 | Pre-compression molding injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115107216A CN115107216A (en) | 2022-09-27 |
| CN115107216B true CN115107216B (en) | 2024-04-05 |
Family
ID=83327046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210497365.4A Active CN115107216B (en) | 2022-05-09 | 2022-05-09 | Pre-compression molding injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115107216B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204604821U (en) * | 2015-04-07 | 2015-09-02 | 青岛波瑞特工程材料有限公司 | A kind of charging prepressing device for injection machine |
| CN109016326A (en) * | 2018-08-03 | 2018-12-18 | 合肥艾普科技有限公司 | A kind of EPP molding equipment and technique |
| CN111037834A (en) * | 2019-10-24 | 2020-04-21 | 巢湖市荣达塑业有限公司 | Injection molding system for hollow plate of plastic product |
| CN211625881U (en) * | 2020-02-11 | 2020-10-02 | 四川金易管业有限公司 | Dehydration drying device that plastics granulator was used |
| CN111844601A (en) * | 2020-07-08 | 2020-10-30 | 齐梦轲 | Pre-molding injection molding machine |
| CN112743764A (en) * | 2020-12-16 | 2021-05-04 | 射阳金昌鑫精密模具科技有限公司 | Mold and method for realizing low-pressure injection molding of high-pressure injection molding machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10611070B2 (en) * | 2017-01-03 | 2020-04-07 | Olbrich Gmbh | Method and apparatus for producing a trim component having a molded rim at an edge thereof |
-
2022
- 2022-05-09 CN CN202210497365.4A patent/CN115107216B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204604821U (en) * | 2015-04-07 | 2015-09-02 | 青岛波瑞特工程材料有限公司 | A kind of charging prepressing device for injection machine |
| CN109016326A (en) * | 2018-08-03 | 2018-12-18 | 合肥艾普科技有限公司 | A kind of EPP molding equipment and technique |
| CN111037834A (en) * | 2019-10-24 | 2020-04-21 | 巢湖市荣达塑业有限公司 | Injection molding system for hollow plate of plastic product |
| CN211625881U (en) * | 2020-02-11 | 2020-10-02 | 四川金易管业有限公司 | Dehydration drying device that plastics granulator was used |
| CN111844601A (en) * | 2020-07-08 | 2020-10-30 | 齐梦轲 | Pre-molding injection molding machine |
| CN112743764A (en) * | 2020-12-16 | 2021-05-04 | 射阳金昌鑫精密模具科技有限公司 | Mold and method for realizing low-pressure injection molding of high-pressure injection molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115107216A (en) | 2022-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115195027B (en) | Ejection device and method for injection mold | |
| CN113844206A (en) | Method and device for preparing artistic handicraft by molding plant waste | |
| CN110757732B (en) | Injection molding process and injection molding device of multifunctional automobile instrument panel | |
| CN115107216B (en) | Pre-compression molding injection molding machine | |
| CN114872233A (en) | Renewable plastic hot melting recovery device | |
| CN113183382B (en) | Automatic compression molding die device of commutator | |
| CN214257845U (en) | Intelligent vertical brick tea pressing machine | |
| CN115847894A (en) | Manufacturing and processing technology of high-strength polyethylene pipe | |
| CN110328808A (en) | Injection-moulding device for plastic piece shaping processing | |
| CN110154353A (en) | A kind of pvc pipe production technology | |
| CN213412599U (en) | Drying equipment for injection molding production | |
| CN210782784U (en) | Auxiliary cooling system for sugar block forming of sugar making machine | |
| CN112297354A (en) | Abundant compounding cools off device of moulding plastics fast | |
| CN112497651A (en) | Product ejecting device for injection molding die machining | |
| CN212920579U (en) | High-efficient ozone catalyst hydraulic forming device that hydrolysises | |
| CN220784778U (en) | Preheating mechanism of injection molding machine | |
| CN111251534A (en) | Automatic feeding device for injection mold | |
| CN117103540B (en) | Forming equipment for modified plastic production | |
| CN116604792B (en) | Recycled plastic injection molding machine | |
| CN115674611B (en) | Injection molding machine capable of continuously injection molding | |
| CN210552643U (en) | Waste treatment device for injection molding machine | |
| CN214111265U (en) | Injection mold is used in production of five metals structure | |
| CN212888664U (en) | Feeding device for injection molding of mold | |
| CN220198212U (en) | Injection molding machine hot melting mechanism for plastic mold processing | |
| CN216506155U (en) | Plastic part processing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240310 Address after: 528000 B1-B2, Jianfeng Industrial Park, No. 18, Leyuan Road, Leping Town, Sanshui District, Foshan City, Guangdong Province (residence declaration) Applicant after: Guangdong Sumi iotian Technology Co.,Ltd. Country or region after: China Address before: Room 1801, Building 25, Yulong Tianfeng, Middle Section of Beibin Road, Jiangbei District, Chongqing 400000 Applicant before: Guo Zhida Country or region before: China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |