CN114589875A

CN114589875A - Injection molding machine is used in working of plastics processing

Info

Publication number: CN114589875A
Application number: CN202210162324.XA
Authority: CN
Inventors: 卢春侠
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-06-07

Abstract

The invention discloses an injection molding machine for plastic piece processing, which comprises a forming part and a driving part, wherein the forming part and the driving part are both arranged on a rack, a conveying part is arranged between the forming part and the driving part, a hopper is arranged on the conveying part, two first conical teeth which are mutually meshed are respectively arranged on a main shaft and a vertical shaft, and the vertical shafts which are vertically distributed are rotatably arranged at the center of the bottom end of the hopper. This injection molding machine is used in working of plastics, the rotation of the stirring piece in the hopper is correlated with the rotation of main shaft in the injection molding machine, consequently need not to use extra motor, the operation that utilizes injection molding machine itself can realize the even stirring of material in the hopper and mix, corresponding mixed structure is added in hopper and auger delivery portion simultaneously, the common nature of utilization metal powder or ceramic particle that can be abundant, carry out abundant evenly distributed to plastic granules and addition material, avoid leading to the production of the not intensity inequality of structure and working of plastics surface waviness because of the uneven distribution of addition material.

Description

Injection molding machine is used in working of plastics processing

Technical Field

The invention relates to the technical field of injection molding machines, in particular to an injection molding machine for plastic part processing.

Background

The injection molding machine is generally used for performing melt injection molding on a workpiece made of a plastic material, and in the prior art, although the injection molding operation of plastic is quick in molding, the overall structural strength is insufficient, so that metal powder (generally aluminum powder) or ceramic particles are added into a plastic particle stack, and are molded together with plastic in a molten state, so that the structural strength of a plastic part is increased, but the existing similar injection molding machines have the following problems in processing the plastic part:

due to the fact that other substance particles except plastic particles are added into the hopper, in order to ensure that materials in the hopper are fully mixed, an additional stirring structure driven by general driving equipment such as a motor is added into the hopper, and although a certain stirring and mixing effect can be achieved, actual operation energy consumption is too high, energy is saved, and environment is protected.

Disclosure of Invention

The invention aims to provide an injection molding machine for processing plastic parts, which aims to solve the problems that in the background art, in order to ensure that materials in a hopper are fully mixed, an additional stirring structure driven by general driving equipment such as a motor is added in the hopper to operate, a certain stirring and mixing effect can be achieved, but the actual operation energy consumption is too high, energy is saved and environment is protected.

In order to achieve the purpose, the invention provides the following technical scheme: the injection molding machine for plastic part processing comprises a forming part and a driving part, wherein the forming part and the driving part are both installed on a rack, a conveying part is arranged between the forming part and the driving part, a hopper is installed on the conveying part, a first auger is arranged inside the conveying part, the first auger is installed on a main shaft, the right end of the main shaft, which is located inside the conveying part and horizontally distributed, is connected with a motor in the driving part, the conveying part is communicated with the hopper through a material pipe, the motor drives the main shaft and the first auger to rotate, so that materials are conveyed and melted in the conveying part and flow into a mold in the forming part from a nozzle, the injection molding machine further comprises a first conical tooth, the first conical teeth which are meshed with each other are installed on the main shaft and a vertical shaft respectively, the vertical shaft which is vertically distributed is rotatably installed at the center of the bottom end of the hopper, the top end of the vertical shaft is connected with a stirring part, and the motor operates through the main shaft and the two first conical teeth which are meshed with each other, The vertical shaft drives the stirring piece to rotate, and plastic particles and additive particles in the hopper are mixed.

Preferably, the method comprises the following steps: the stirring piece comprises return bend and core bar, and the core bar setting is in the inside of return bend to the return bend is the heliciform and distributes, and both bottom all with the top fixed connection of vertical axis, and the top and the first vertical cylinder of return bend rotate to be connected, the vertical distribution the top at the hopper is fixed to first vertical cylinder, still be provided with granule on the hopper and add the mechanism, granule adds the mechanism and is arranged in adding metal powder or ceramic particle to the hopper. The particle adding mechanism comprises a filling pipe, a first opening, an air pipe and an air pump, the filling pipe is communicated with a gap between the first vertical cylinder and the core rod, the gap is communicated with a space between the bent pipe and the core rod, the first opening is formed in the surface of the bent pipe and communicated with the space between the bent pipe and the core rod, the inner space of the core rod is communicated with the air pipe, the inner space of the core rod and the air pipe are rotatably connected, the tail end of the air pipe is communicated with the output end of the air pump, the surface of the core rod is provided with an air hole covered with an elastic sheet, the air pump is operated to inflate towards the inside of the core rod through the air pipe, the elastic sheet is stressed to expand, and particle adding materials between the core rod and the bent pipe are extruded from the first opening.

Preferably, the method comprises the following steps: the stirring piece includes the puddler, puddler fixed mounting is in the first half section of vertical axis, the top and the second vertical section of thick bamboo of vertical axis rotate to be connected, and second vertical section of thick bamboo fixed mounting is on the top of hopper, the vertical axis drives the puddler and rotates and stir the material, still be provided with the discharge mechanism who links to each other with the puddler on the hopper, discharge mechanism is arranged in adding the granule material towards the hopper. Preferably, the following steps: discharge mechanism includes second trompil, first cavity and second cavity, sets up the second trompil on puddler surface and sets up the first cavity in the puddler inside and be linked together, first cavity is linked together with the second cavity of setting up in vertical axis and second vertical cylinder, the second cavity is linked together with the interpolation pipe of second vertical cylinder top installation to the second cavity is linked together with the connecting pipe, and the left end of connecting pipe distributes and fixes on second vertical cylinder for the downward sloping, and the right-hand member of connecting pipe and air feed mechanism link to each other. The air feed mechanism is the fan, the output of fan links to each other with the right-hand member of connecting pipe, and the fan operation is through filling gas in the connecting pipe orientation second cavity, make the addition pipe be in negative pressure state, then blow the granule in the addition pipe to the inside of first cavity and from the second trompil spout and plastic granules mix.

Preferably, the method comprises the following steps: air feed mechanism includes wind box and flabellum and fan shaft, and the surface at conveying part is installed to the wind box, and the fan shaft bottom that the wind box inside set up links to each other through two intermeshing's second cone teeth and main shaft, is located inside the wind box the top at the fan shaft is fixed to the flabellum to the wind box links to each other with the connecting pipe. The inside of conveying part still is provided with the mixing part, the mixing part is used for carrying out further mixing to the plastic granules material that contains metal or ceramic particle in the conveying part. The mixing part includes first cross axle and first baffle, the bottom of material pipe is located the left side of first baffle, fixes that main epaxial first baffle rotates the laminating in the inside of conveying part, and the horizontal distribution first cross axle rotates and installs on first hank dragon and first baffle, and installs the dispersion pole on the first cross axle, the dispersion pole is located between the board clearance of first hank dragon to the right-hand member of first cross axle is fixed with first gear, first gear meshes with the first tooth piece that the equal angle set up at the conveying part inner wall mutually.

Preferably, the method comprises the following steps: the hybrid includes second baffle and third baffle, and the left and right sides at main shaft disconnection department is fixed respectively to third baffle and second baffle, is provided with two second augers between two baffles, the second auger is fixed on the second cross axle, the side edge of second auger laminates with the inner wall of dog and conveying part mutually, and the dog is installed between two baffles to the opening has been seted up on the third baffle, and the main shaft drives two sets of second augers and dog through two baffles and rotates in conveying part is inside, and the centrifugal force that utilizes the production makes pottery or metal granule distribute evenly in plastic granules, and actuating mechanism drives the second auger through the second cross axle and rotates, carry on continuously mixing the material of accomplishing. The driving mechanism comprises second gears and second tooth blocks, the two second gears are respectively installed at the right end of the two second transverse shafts, and the second gears are meshed with the second tooth blocks fixed on the inner wall of the conveying part at equal angles.

Compared with the prior art, the invention has the beneficial effects that: according to the injection molding machine for processing the plastic parts, the rotation of the stirring part in the hopper is related to the rotation of the main shaft in the injection molding machine, so that materials can be uniformly stirred and mixed in the hopper by utilizing the operation of the injection molding machine without using an additional motor, and meanwhile, the corresponding mixing structures are added in the hopper and the spiral conveying part, so that the common properties of metal powder or ceramic particles can be fully utilized, plastic particles and added materials can be fully and uniformly distributed, and the problems of uneven structure and surface corrugation of the plastic parts caused by uneven distribution of the added materials are avoided;

1. the structural design of the bent pipe enables the main shaft to drive the bent pipe to rotate to fully stir the materials in the hopper, and meanwhile, the intermittent inflation of the air pump can be utilized to add the metal powder or ceramic particles falling between the bent pipe and the core rod, so that the bent pipe positioned in the plastic particle pile can directly and fully add the added materials into the plastic particles, and meanwhile, the synchronous uniform mixing of the materials is realized by matching with the rotation of the bent pipe;

2. due to the structural design of the stirring rod and the internal cavity, materials to be added can be conveyed to the plastic particle pile in a negative pressure and air flow conveying mode by utilizing the operation of the air supply mechanism and the Venturi principle while the materials are stirred by rotating the vertical shaft;

furthermore, an air flow conveying mode is adopted, so that the additive enters the plastic particle pile along with the air flow, and meanwhile, the plastic particles near the material adding point are blown for a certain distance by utilizing the impact action of the air flow, and the metal powder or the ceramic particles can be uniformly distributed in the hopper;

3. the first cross shaft can drive the dispersion rod to be in a synchronous rotating state through meshing transmission between the first gear tooth blocks in the process of conveying materials by the first auger in a mode of inserting the rotatable first cross shaft in the first auger, so that the materials in the conveying process are further mixed by the dispersion rod between plate structure gaps of the auger;

4. through the mode that sets up two second augers in main shaft disconnection department, centrifugal force that produces when can making second auger and dog synchronous revolution, utilize the characteristic that metal powder or ceramic particle density are greater than plastics, make the material that temporarily lies in between second auger and the dog follow synchronous revolution in-process, realize the intensive mixing of plastic granules and addition material, utilize its rotation and the meshing between the second gear teeth piece to carry out the rotation operation to the second auger simultaneously, realize the normal transport of material.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic structural view of a stirring member according to a first embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the core cane of FIG. 2 before and after inflation in accordance with the present invention;

FIG. 4 is a schematic structural view of a stirring member according to a second embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a wind box according to a third embodiment of the present invention;

FIG. 6 is a schematic structural view of a mixing member according to a third embodiment of the present invention;

FIG. 7 is a schematic side view of the first baffle of FIG. 6 according to the present invention;

FIG. 8 is a schematic structural view of a mixing member according to a fourth embodiment of the present invention;

FIG. 9 is a schematic left side view of the third baffle of FIG. 9 according to the present invention;

fig. 10 is a structural diagram of the second baffle plate in fig. 9 in a right side view.

In the figure: 1. a molding section; 2. a drive section; 3. a conveying section; 4. a hopper; 5. a main shaft; 6. a first auger; 7. a vertical axis; 8. a first bevel gear; 9. a stirring member; 10. a material pipe; 11. bending the pipe; 12. a core bar; 13. a first vertical cylinder; 14. filling into a tube; 15. a first opening; 16. air holes; 17. an elastic sheet; 18. a stirring rod; 19. a second vertical tube; 20. a second opening; 21. a first cavity; 22. a second cavity; 23. an addition pipe; 24. a connecting pipe; 25. a wind box; 26. a fan blade; 27. a fan shaft; 28. a second taper tooth; 29. a first baffle plate; 30. a first lateral axis; 31. a dispersion rod; 32. a first gear; 33. a first tooth block; 34. a second baffle; 35. a third baffle plate; 36. an opening; 37. a second auger; 38. a second lateral axis; 39. a stopper; 40. a second gear; 41. and a second tooth block.

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.

Referring to fig. 1-10, the present invention provides the following technical solutions:

the first embodiment is as follows:

the injection molding machine comprises a molding part 1 and a driving part 2, both of which are arranged on a rack, a conveying part 3 is arranged between the molding part 1 and the driving part 2, a hopper 4 is arranged on the conveying part 3, a first auger 6 is arranged inside the conveying part 3, the first auger 6 is arranged on a main shaft 5, the right end of the main shaft 5 which is positioned inside the conveying part 3 and horizontally distributed is connected with a motor in the driving part 2, the conveying part 3 is communicated with the hopper 4 through a material pipe 10, the motor drives the main shaft 5 and the first auger 6 to rotate, so that materials are conveyed and melted in the conveying part 3 and flow into a mold in the molding part 1 from a nozzle, the injection molding machine also comprises a first conical tooth 8, two mutually meshed first conical teeth 8 are respectively arranged on the main shaft 5 and a vertical shaft 7, the vertically distributed vertical shaft 7 is rotatably arranged at the center of the bottom end of the hopper 4, and the top end of the vertical shaft 7 is connected with a stirring part 9, the motor runs through the main shaft 5 and the two first bevel gears 8 which are meshed with each other to drive the vertical shaft 7 to rotate, the vertical shaft 7 drives the stirring piece 9 to rotate, and plastic particles and additive particles in the mixing hopper 4 are mixed.

In order to ensure that the plastic particles and the metal powder or ceramic particles are uniformly mixed, in the present embodiment, the stirring member 9 is composed of a bent tube 11 and a core rod 12, the core rod 12 is arranged inside the bent tube 11, the bent tube 11 is spirally distributed, the bottom ends of the bent tube and the bent tube are fixedly connected with the top end of the vertical shaft 7, the top end of the bent tube 11 is rotatably connected with the first vertical tube 13, the vertically distributed first vertical tube 13 is fixed at the top end of the hopper 4, the hopper 4 is further provided with a particle adding mechanism, the particle adding mechanism is used for adding the metal powder or ceramic particles into the hopper 4, the particle adding mechanism comprises a filling tube 14, a first opening 15, an air tube and an air pump, the filling tube 14 is communicated with a gap between the first vertical tube 13 and the core rod 12, the gap is communicated with a space between the bent tube 11 and the core rod 12, the first opening 15 is arranged on the surface of the bent tube 11 and is communicated with the space between the bent tube 11 and the core rod 12, the inner space of the core rod 12 is communicated with the air pipe which is rotatably connected with the air pipe, the tail end of the air pipe is communicated with the output end of the air pump, the surface of the core rod 12 is provided with an air hole 16 covered with an elastic sheet 17, the air pump inflates towards the inner part of the core rod 12 through the air pipe, the elastic sheet 17 expands under force, the particle additive material between the core rod 12 and the bent pipe 11 is extruded out of the first opening 15, as shown in figures 2 and 3, the additive material is thrown into the inner space between the first vertical tube 13 and the core rod 12 through the inflating tube 14 and then falls into the inner spaces of the bent pipe 11 and the core rod 12, then the air pump shown in the dotted line at the upper right corner in figure 2 can be correspondingly operated, the air pump intermittently inflates/sucks air into the inner space of the core rod 12 through the air pipe, at the moment, the elastic sheet 17 covered on the air hole 16 expands in the gap between the bent pipe 11 and the core rod 12 as shown in figure 3, the additive material located therein is thus extruded from the first opening 15 in response to the rotation of the elbow 11 itself, so that the additive material is thoroughly mixed with the plastic granules inside the hopper 4.

Example two:

in this embodiment, stirring piece 9 includes puddler 18, and puddler 18 fixed mounting is in the first half section of vertical axis 7, and the top and the 19 rotations of second vertical axis 7 are connected, and 19 fixed mounting on the top of hopper 4 of second vertical axis drive puddler 18 and rotate and stir the material, still are provided with the discharge mechanism who links to each other with puddler 18 on hopper 4, and discharge mechanism is arranged in adding the granule material towards hopper 4.

In order to further improve the uniformity of distribution of the additive material in the hopper 4, in contrast to the first embodiment, as shown in fig. 4, the material enters the plastic pellet stack by directly contacting with the air flow, which means that when the air flow passes through the second opening 20 and contacts with the plastic, the air flow will blow away the plastic near the opening, thereby further improving the uniformity of distribution of the additive material in the plastic pellets, the discharging mechanism includes a second opening 20, a first cavity 21 and a second cavity 22, the second opening 20 opened on the surface of the stirring rod 18 communicates with the first cavity 21 opened inside the stirring rod 18, the first cavity 21 communicates with the second cavity 22 opened in the vertical shaft 7 and the second vertical shaft 19, the second cavity 22 communicates with the additive pipe 23 installed on the top end of the second vertical shaft 19, the second cavity 22 is communicated with a connecting pipe 24, the left end of the connecting pipe 24 is distributed in a downward inclined manner and fixed on the second vertical cylinder 19, the right end of the connecting pipe 24 is connected with a gas supply mechanism which is a fan, the output end of the fan is connected with the right end of the connecting pipe 24, the fan operates to fill gas into the second cavity 22 through the connecting pipe 24 to enable the adding pipe 23 to be in a negative pressure state, then the particles in the adding pipe 23 are blown into the first cavity 21 and sprayed out from the second opening 20 to be mixed with the plastic particles, the fan which is shown by the dotted line at the upper right corner in figure 4 operates to continuously fill gas into the second cavity 22 through the connecting pipe 24, the gas is sprayed out from the second cavity 22, the first cavity 21 and the second opening 20, and the upper part of the connecting pipe 24 is in a negative pressure state because the left end of the connecting pipe 24 is communicated with the second cavity 22 in a downward inclined manner, the additive in the additive holder connected to the additive tube 23 is thus introduced into the second cavity 22 via the additive tube 23 and finally from the second opening 20 into the plastic granulate mass.

Example three:

in order to further achieve the purpose of energy saving and environmental protection, in this embodiment, different from the second embodiment that the fan is directly used, the air supply mechanism includes an air box 25, fan blades 26 and a fan shaft 27, the air box 25 is installed on the outer surface of the conveying part 3, the bottom end of the fan shaft 27 arranged inside the air box 25 is connected to the main shaft 5 through two second conical teeth 28 engaged with each other, the fan blades 26 arranged inside the air box 25 are fixed on the top end of the fan shaft 27, and the air box 25 is connected to the connecting pipe 24, when the main shaft 5 is in a rotating state, as shown in fig. 5, under the transmission action of the two second conical teeth 28 engaged with each other, the fan shaft 27 will rotate synchronously and drive the fan blades 26 to rotate together, so that an air flow generated by the fan is blown into the connecting pipe 24.

In the prior art, the overall distribution state of the material entering the spiral conveying part 3 from the hopper 4 is unstable, which may cause the metal powder or ceramic particles to be in a disordered dispersion state in the conveying part 3, which may cause the plastic parts to be unevenly distributed in structural strength after molding and easily generate stripes on the plastic parts, in order to ensure that the additive material and the plastic particles can also keep a uniform mixing state in the conveying part 3, in this embodiment, as shown in fig. 6 and 7, a mixing part is further arranged inside the conveying part 3, the mixing part is used for further uniformly mixing the plastic particle material containing the metal or ceramic particles in the conveying part 3, the mixing part comprises a first transverse shaft 30 and a first baffle plate 29, the bottom end of the material pipe 10 is located on the left side of the first baffle plate 29, the first baffle plate 29 fixed on the main shaft 5 is rotationally attached inside the conveying part 3, the first transverse shafts 30 which are horizontally distributed are rotatably arranged on the first auger 6 and the first baffle 29, the first transverse shafts 30 are provided with dispersion rods 31, the dispersion rods 31 are positioned between plate gaps of the first auger 6, the right ends of the first transverse shafts 30 are fixedly provided with first gears 32, the first gears 32 are meshed with first tooth blocks 33 which are arranged on the inner wall of the conveying part 3 at equal angles, and the main shaft 5 drives the first auger 6 to rotate and convey, so that the first baffle 29 is driven to rotate synchronously, the first transverse shafts 30 under the synchronous revolution state can synchronously rotate under the meshing transmission action of the first gears 32 which revolve at the same revolution and the first tooth blocks 33 which are fixed differently, and the first transverse shafts 30 are driven to rotate in the plate gaps of the auger plates, so that the dispersion rods 31 are driven to rotate in the plate gaps of the auger plates, and further material mixing is realized.

Example four:

in order to further improve the blending efficiency of the material in the conveying part 3, the embodiment is different from the third embodiment in that: as shown in fig. 8-10, the mixing member comprises a second baffle 34 and a third baffle 35, the third baffle 35 and the second baffle 34 are respectively fixed on the left and right sides of the broken position of the main shaft 5, two second packing augers 37 are arranged between the two baffles, the second packing augers 37 are fixed on a second horizontal shaft 38, the side edges of the second packing augers 37 are attached to a baffle 39 and the inner wall of the conveying part 3, the baffle 39 is installed between the two baffles, an opening 36 is arranged on the third baffle 35 for conveying, the driving mechanism comprises a second gear 40 and a second gear block 41, the two second gears 40 are respectively installed at the right end of the two second horizontal shafts 38, the second gear 40 is engaged with a second gear block 41 which is fixed on the inner wall of the conveying part 3 at an equal angle, the main shaft 5 drives the two sets of the second packing augers 37 and the baffle 39 to rotate in the conveying part 3 through the two baffles, and the principle that the density of the added material is larger than that of plastic particles is adopted according to the principle (basic principle that the object is separated from the center shaft when rotating around the center shaft The effect of heart force F. When the mass of the object is M, the volume is V, the density is D, the radius of rotation is 1, and the angular velocity is o (arc degrees/second), F = Mo2r or F = vd.o2r can be obtained. During centrifugation, the centrifuged material also overcomes the drag of buoyancy and friction. Buoyancy F } and friction F } are represented by F "= VD'. o02r (2) F" = F dr/dt (3) where D } is the solution density, F is the coefficient of friction, and dr/dt is the settling velocity (change in radius of rotation per unit time), respectively. Basic principle under certain conditions, F = F ° + F ' VD. o2r = V.D ' o2r + F. dr/dtdr/dt = Vo2r (D-D ')/F (4) can be used to show that the sedimentation speed is proportional to the volume and density difference of the centrifuged substance and inversely proportional to F. When the sedimentation velocity in the unit force field (o2r =1) is represented by S, S = V (D-D ")/f. And S is the sedimentation coefficient. ) The ceramic or metal particles are uniformly distributed in the plastic particles by using the generated centrifugal force, meanwhile, the second gear 40 which synchronously revolves is contacted with the fixed second tooth block 41, and the second gear and the fixed second tooth block are meshed for transmission, so that the second auger 37 is driven to rotate by the second transverse shaft 38 to continuously convey the mixed materials.

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. The utility model provides an injection molding machine is used in working of plastics processing, includes shaping portion (1) and drive division (2), and both all install in the frame to be provided with between shaping portion (1) and drive division (2) conveying portion (3), install hopper (4) on conveying portion (3), the inside of conveying portion (3) is provided with first auger (6), install on main shaft (5) first auger (6), be located conveying portion (3) inside and horizontal distribution the right-hand member of main shaft (5) links to each other with the motor in drive division (2), conveying portion (3) are linked together through material pipe (10) and hopper (4), and the motor drives main shaft (5) and first auger (6) and rotates, makes the material carry in conveying portion (3) to melt, and flow from the nozzle to the mould in shaping portion (1), its characterized in that: still include first awl tooth (8), two intermeshing install respectively on main shaft (5) and vertical axis (7) first awl tooth (8), the vertical distribution vertical axis (7) rotate and install the bottom center department at hopper (4) to the top and stirring piece (9) of vertical axis (7) link to each other, and the motor operation is through main shaft (5) and two first awl teeth (8) drive vertical axis (7) rotation of intermeshing, vertical axis (7) drive stirring piece (9) and rotate, mix plastic granules and the additive granule in hopper (4).

2. An injection molding machine for the processing of plastic parts according to claim 1, wherein: stirring spare (9) comprises return bend (11) and core bar (12), and core bar (12) set up the inside in return bend (11) to return bend (11) are the heliciform and distribute, bottom between them all with the top fixed connection of vertical axis (7), and the top and the first vertical cylinder (13) of return bend (11) rotate to be connected, vertical distribution first vertical cylinder (13) are fixed on the top of hopper (4), still be provided with granule on hopper (4) and add the mechanism, granule adds the mechanism and is arranged in adding metal powder or ceramic particle in hopper (4).

3. An injection molding machine for the manufacture of plastic parts according to claim 2, wherein: the particle adding mechanism comprises a filling pipe (14), a first opening (15), an air pipe and an air pump, the filling pipe (14) is communicated with a gap between the first vertical cylinder (13) and the core rod (12), the gap is communicated with the space between the elbow pipe (11) and the core rod (12), the first opening (15) is arranged on the surface of the elbow pipe (11) and is communicated with the space between the elbow pipe (11) and the core rod (12), the inner space of the core bar (12) is communicated with an air pipe which is rotationally connected with the air pipe, the tail end of the air pipe is communicated with the output end of the air pump, and the surface of the core bar (12) is provided with an air hole (16) covered with an elastic sheet (17), the air pump is operated to inflate the air towards the interior of the core rod (12) through the air pipe, the elastic sheet (17) is expanded under the stress, and the particle additive between the core rod (12) and the bent pipe (11) is extruded out from the first opening (15).

4. An injection molding machine for the processing of plastic parts according to claim 1, wherein: stirring piece (9) include puddler (18), puddler (18) fixed mounting is in the first half section of vertical axis (7), the top and the second of vertical axis (7) are erected section (19) and are rotated and connect, and second is erected section (19) fixed mounting on the top of hopper (4), vertical axis (7) drive puddler (18) and rotate and stir the material, still be provided with the discharge mechanism who links to each other with puddler (18) on hopper (4), discharge mechanism is arranged in adding the granule material towards hopper (4).

5. An injection molding machine for the processing of plastic parts as claimed in claim 4, wherein: discharge mechanism includes second trompil (20), first cavity (21) and second cavity (22), sets up second trompil (20) on puddler (18) surface and sets up in inside first cavity (21) of puddler (18) and be linked together, first cavity (21) with set up second cavity (22) in vertical axis (7) and second vertical cylinder (19) and be linked together, second cavity (22) are linked together with interpolation pipe (23) of second vertical cylinder (19) top installation to second cavity (22) are linked together with connecting pipe (24), and the left end of connecting pipe (24) distributes and fixes on second vertical cylinder (19) for the downward sloping, and the right-hand member and the air feed mechanism of connecting pipe (24) link to each other.

6. An injection molding machine for the processing of plastic parts according to claim 5, wherein: the air supply mechanism is a fan, the output end of the fan is connected with the right end of the connecting pipe (24), the fan operates to blow air into the second cavity (22) through the connecting pipe (24), the adding pipe (23) is in a negative pressure state, and then particles in the adding pipe (23) are blown into the first cavity (21) and are sprayed out from the second opening hole (20) to be mixed with plastic particles.

7. An injection molding machine for the processing of plastic parts according to claim 5, wherein: air feed mechanism includes wind box (25) and flabellum (26) and fan shaft (27), and the surface in conveying part (3) is installed in wind box (25), and fan shaft (27) bottom that wind box (25) inside set up links to each other through two intermeshing's second cone teeth (28) and main shaft (5), is located wind box (25) inside fan blade (26) are fixed on the top of fan shaft (27) to wind box (25) link to each other with connecting pipe (24).

8. An injection molding machine for the processing of plastic parts according to claim 7, wherein: the inside of conveying part (3) still is provided with the mixing piece, the mixing piece is arranged in carrying part (3) and carries out further mixing to the plastic granules material that contains metal or ceramic granule.

9. An injection molding machine for the processing of plastic parts according to claim 8, wherein: the mixing part comprises a first transverse shaft (30) and a first baffle (29), the bottom end of the material pipe (10) is located on the left side of the first baffle (29), the first baffle (29) fixed on the main shaft (5) is rotationally attached to the inside of the conveying part (3), the first transverse shaft (30) is horizontally distributed and rotationally mounted on the first auger (6) and the first baffle (29), a dispersing rod (31) is mounted on the first transverse shaft (30), the dispersing rod (31) is located between plate gaps of the first auger (6), a first gear (32) is fixed at the right end of the first transverse shaft (30), and the first gear (32) is meshed with a first tooth block (33) which is arranged on the inner wall of the conveying part (3) at an equal angle.

10. An injection molding machine for the processing of plastic parts according to claim 8, wherein: the mixed part comprises a second baffle (34) and a third baffle (35), the left and right sides of the disconnection position of the main shaft (5) are respectively fixed by the third baffle (35) and the second baffle (34), two second packing augers (37) are arranged between the two baffles, the second packing augers (37) are fixed on a second transverse shaft (38), the side edges of the second packing augers (37) are attached to the inner walls of a baffle block (39) and a conveying part (3), the baffle block (39) is arranged between the two baffles, an opening (36) is formed in the third baffle (35), the main shaft (5) drives the two sets of second packing augers (37) and the baffle block (39) to rotate in the conveying part (3) through the two baffles, the ceramic or metal particles are uniformly distributed in the plastic particles by utilizing the generated centrifugal force, and a driving mechanism drives the second packing augers (37) to rotate through the second transverse shaft (38), And continuously conveying the mixed materials.

11. An injection molding machine for the processing of plastic parts according to claim 10, wherein: the driving mechanism comprises second gears (40) and second tooth blocks (41), the two second gears (40) are respectively installed at the right end parts of the two second transverse shafts (38), and the second gears (40) are meshed with the second tooth blocks (41) which are fixed on the inner wall of the conveying part (3) at equal angles.