CN112936776A - Injection molding equipment is used in plastic production - Google Patents
Injection molding equipment is used in plastic production Download PDFInfo
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- CN112936776A CN112936776A CN202110079795.XA CN202110079795A CN112936776A CN 112936776 A CN112936776 A CN 112936776A CN 202110079795 A CN202110079795 A CN 202110079795A CN 112936776 A CN112936776 A CN 112936776A
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- fixedly connected
- injection molding
- bevel gear
- transmission
- plastic production
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 53
- 239000004033 plastic Substances 0.000 title claims abstract description 53
- 229920003023 plastic Polymers 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000003860 storage Methods 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 60
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002991 molded plastic Substances 0.000 abstract description 6
- 238000004513 sizing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
-
- 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
- B29C45/26—Moulds
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of plastic production, and particularly relates to injection molding equipment for plastic production, which comprises a base, the upper side of the base is provided with a support frame, the lower end of the support frame is sequentially provided with a motor base and a material storage chamber from left to right, a driving motor is arranged on the upper side of the motor base, a rotating shaft is fixedly connected with the output end of the upper end of the driving motor, the upper end of the rotating shaft is fixedly connected with a turntable, the upper side of the turntable is fixedly connected with a rotating drum, the upper side of the rotating drum is provided with a first screw rod, a fixed frame is arranged in the middle of the supporting frame, one end of the first screw rod penetrating through the fixed frame is fixedly connected with a piston plate, the upper side of the middle part of the fixed frame is fixedly connected with an injection molding block, the lower part of the injection molding block is provided with an air cavity, the piston plate is arranged in the air cavity, the upper part of the injection molding block is provided with an assembly lower die core, and a plurality of cavities are formed in the assembly lower die core. The invention can improve the quality of the molded plastic part and greatly improve the production speed.
Description
Technical Field
The invention belongs to the technical field of plastic production, and particularly relates to injection molding equipment for plastic production.
Background
The product is a solid liquid in a melting state in the manufacturing process, so that the product can be heated to melt, pressurized to flow and cooled to solidify to form various shapes, and the huge and variable material group is called plastic.
In the production process of plastics, molten plastics are injected into a plastic product mold by pressure, and various plastic parts are obtained by cooling and molding, however, in the prior art, the molten plastics are generally injected into the mold by high pressure, and the gas contained in a cavity can affect the quality of the molded plastics; meanwhile, the separation of the molded plastic from the cavity is realized by the ejector pin, which affects the surface quality of the plastic; in the prior art, in the plastic injection molding process, the separation of the mold core and the taking out of the plastic are carried out separately, which seriously affects the production speed.
Therefore, we propose an injection molding device for plastic production to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides injection molding equipment for plastic production, which can improve the quality of a molded plastic part and greatly improve the production speed.
In order to achieve the purpose, the invention adopts the following technical scheme: an injection molding device for plastic production comprises a base, wherein a support frame is arranged on the upper side of the base, a motor base and a material storage chamber are sequentially arranged at the lower end of the support frame from left to right, a driving motor is arranged on the upper side of the motor base, a rotating shaft is fixedly connected to the upper end output end of the driving motor, a rotating disc is fixedly connected to the upper end of the rotating shaft, a rotating drum is fixedly connected to the upper side of the rotating disc, a first screw rod is arranged on the upper side of the rotating drum, a fixing frame is arranged in the middle of the support frame, a piston plate is fixedly connected to one end of the first screw rod penetrating through the fixing frame, an injection molding block is fixedly connected to the upper side of the middle of the fixing frame, an air cavity is arranged on the lower portion of the injection molding block, the piston plate is arranged in the air cavity, an air duct is arranged between the cavity and the air cavity, and an upper mold core matched with the air cavity for use is arranged above the air cavity.
In foretell injection moulding equipment for plastic production, the middle part of rotary drum is from last to being equipped with two one-way bearings down, the upside one-way driving roller on the outside fixedly connected with of one-way bearing, downside one-way driving roller under the outside fixedly connected with of one-way bearing, two one-way bearing's rotation opposite direction.
In foretell plastic production is with injection moulding device, the left side of below unidirectional roller is equipped with left driving roller, be connected through driving belt between below unidirectional roller and the left driving roller, the upside fixedly connected with left transfer line of left side driving roller, left side transfer line passes the upper end swing joint of mount and support frame, the upper end of left side transfer line is equipped with left transmission bevel gear.
In foretell plastic production is with injection moulding device, the right side of going up the one-way driving roller is equipped with right driving roller, go up and be connected through driving belt between one-way driving roller and the right driving roller, the middle part fixedly connected with right transfer line of right driving roller, right transfer line passes the upper end swing joint of mount and support frame, the upper end of right transfer line is equipped with right transmission bevel gear, be equipped with one-way bearing between right transmission bevel gear and the right transfer line.
In foretell plastic production is with injection moulding device, the one end that right side transfer line passed right driving roller is equipped with screw thread portion, screw thread portion locates in the storage chamber, the inside of storage chamber is equipped with the stripper plate, threaded connection between stripper plate and the screw thread portion.
In foretell plastic production is with injection moulding device, the inside of storage compartment is equipped with a plurality of heater bars, and is a plurality of parallel arrangement between heater bar and the screw thread portion, the heater bar passes the upper and lower both ends fixed connection of stripper plate and storage compartment, the upside of storage compartment is equipped with passage and feed inlet from a left side to the right side in proper order.
In the above-mentioned injection molding equipment for plastic production, the position of the fixing frame close to the air cavity is provided with a plurality of balance through holes, the upper side of the injection molding block is provided with an annular slot, and the annular slot is arranged at the outer side of the lower mold core.
In the above-mentioned injection molding equipment for plastic production, the lower side of the upper mold core is provided with an annular convex block, the annular convex block is matched with the size of the annular slot, and the inner side of the annular convex block is fixedly connected with a sealing rubber ring.
In foretell injection moulding equipment for plastic production, the inside of upper die benevolence is equipped with the notes material pipe, the downside that annotates the material pipe is equipped with a plurality of sprue corresponding the position of a plurality of assembly lower die benevolence, and is a plurality of the sprue passes upper die benevolence and communicates with each other with the external world, the upside of notes material pipe and the upper end fixed connection of passage.
In foretell plastic production is with injection moulding device, the upside fixedly connected with connecting rod of upper die benevolence, the upside of connecting rod is equipped with the second screw rod, threaded connection between second screw rod and the connecting rod, the upper portion of second screw rod is equipped with transmission bevel gear, transmission bevel gear's both sides respectively are equipped with a bevel gear drive mechanism, bevel gear drive mechanism keeps away from transmission bevel gear's one end and is connected with left transmission bevel gear and right transmission bevel gear meshing respectively, bevel gear drive mechanism includes the bevel gear that two opposite directions set up, the middle part of two bevel gears is equipped with the connecting rod, the middle part swing joint of connecting rod has the dead lever, the left side the lower extreme fixedly connected with guide arm of dead lever, the guide arm passes upper die benevolence and upper die benevolence.
Compared with the prior art, the invention has the advantages that:
1. when the injection molding device is used, the rotating shaft and the rotating drum can be driven to rotate through the driving motor, the first screw rod is in threaded connection with the rotating drum, the upper end of the first screw rod is fixedly connected with the piston plate, the piston plate is in splined connection with the injection molding block, the first screw rod cannot rotate, the piston plate can be controlled to move downwards through the rotation of the rotating drum, negative pressure is formed in the air cavity, negative pressure is formed in the cavity through a thin pipe between the cavity and the air cavity, and the rubber material in the material storage chamber is sucked into the cavity through the material guide pipe; meanwhile, the upper one-way transmission roller rotates along with the rotation of the rotary drum, the right transmission roller is driven to rotate through the transmission belt, the right transmission roller is fixedly connected with the right transmission rod, the extrusion plate is driven to ascend when the threaded part rotates, the rubber material is extruded upwards, and the rubber material is injected into the lower die core; after the plastic is molded, the driving motor rotates reversely to drive the lower unidirectional driving roller and the left driving roller to rotate, the left driving bevel gear is driven to rotate through the left driving rod, the driving bevel gear is driven to rotate reversely through the left side bevel gear driving mechanism, the second screw rod is driven to rotate, the connecting rod is controlled to move upwards, and the upper mold core and the lower assembly mold core are separated; meanwhile, the rotation of the rotary drum drives the first screw and the piston plate to ascend, so that the gas in the gas cavity is extruded, the molded plastic in the cavity is separated from the inner wall of the cavity, the plastic is convenient to take out, and the production efficiency is greatly improved.
2. The invention has the outstanding characteristics that: through the ascending and descending of the first screw rod of rotary drum control and piston plate, the accessible forms the negative pressure and pours into the die cavity with the sizing material into, form the plastic and the die cavity separation after the malleation will be moulded, can avoid unnecessary air to influence the quality of the plastic after the shaping, need not to take out the plastic through ejecting mode, plastic part after the reducible shaping takes out speed, and then improve the production speed of plastic greatly, it is the assembled structure with the piece of moulding plastics to set up the lower mould benevolence of assembly simultaneously, can be convenient for realize producing the plastic of different shapes, effectively reduce production cost.
Drawings
FIG. 1 is a schematic structural diagram of an injection molding apparatus for plastic production according to the present invention;
FIG. 2 is a schematic structural diagram of an injection molding apparatus for plastic production according to the present invention during demolding;
FIG. 3 is a schematic structural diagram of an upper mold core of an injection molding apparatus for plastic production according to the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 1;
FIG. 5 is a schematic view showing the connection between the rotating drum and the lower unidirectional driving roller of the injection molding apparatus for plastic production according to the present invention.
In the figure, 1 base, 2 support frames, 3 motor base, 4 material storage chambers, 5 driving motors, 6 rotating shafts, 7 rotating discs, 8 rotating drums, 9 lower unidirectional driving rollers, 10 left driving rollers, 11 upper unidirectional driving rollers, 12 first screw rods, 13 right driving rollers, 14 unidirectional bearings, 15 left driving rods, 16 fixing frames, 17 right driving rods, 18 threaded parts, 19 extrusion plates, 20 heating rods, 21 feeding ports, 22 material guide pipes, 23 balance through holes, 24 injection molding blocks, 25 air cavities, 26 piston plates, 27 assembly lower die cores, 28 die cavities, 29 upper die cores, 30 injection pipes, 31 left driving bevel gears, 32 right driving bevel gears, 33 bevel gear driving mechanisms, 34 connecting rods, 35 second screw rods, 36 driving bevel gears, 37 injection ports, 38 sealing rubber rings, 39 annular convex blocks and 40 annular slots.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1-5, an injection molding device for plastic production, including the base 1 of fixed support, the upside of base 1 is equipped with the support frame 2 that is used for fixing each structure, the lower extreme of support frame 2 has set gradually motor base 3 that is used for supporting driving motor 5 and storage compartment 4 of storage molten state sizing material from a left side to the right side, the upside of motor base 3 is equipped with driving motor 5, driving motor 5's upper end output fixedly connected with pivot 6, it is rotatory to drive pivot 6 through driving motor 5, the upper end fixedly connected with carousel 7 that rotates thereupon of pivot 6, the upside fixedly connected with rotary drum 8 of carousel 7, rotary drum 8 is rotatory along with the rotation of carousel 7, the upside of rotary drum 8 is equipped with first screw rod 12, through the reciprocating of the steerable screw rod 12 of rotary drum 8.
The middle part of the supporting frame 2 is provided with a fixing frame 16 for fixing and supporting other structures, one end of the first screw 12 penetrating the fixing frame 16 is fixedly connected with a piston plate 26, the piston plate 26 can be controlled to move up and down through the first screw 12, the upper side of the middle part of the fixing frame 16 is fixedly connected with an injection molding block 24 for plastic injection molding, the lower part of the injection molding block 24 is provided with an air cavity 25, the piston plate 26 moves up and down in the air cavity 25, the piston plate 26 is in splined connection with the air cavity 25 to avoid the piston plate 26 from rotating, the upper part of the injection molding block 24 is provided with an assembly lower mold core 27, the assembly lower mold core 27 is mutually embedded with the injection molding block 24, the inner part of the assembly lower mold core 27 is provided with a plurality of mold cavities 28 for injection molding, an air duct is arranged between the mold cavity 28 and the air cavity 25, when the air pressure in the air, the cavity 28 is closed by the upper core 29 abutting against the lower core 27.
The middle part of rotary drum 8 is from last to being equipped with two one-way bearings 14 down, one-way driving roller 11 on the outside fixedly connected with of upside one-way bearing 14, one-way driving roller 9 under the outside fixedly connected with of downside one-way bearing 14, two one-way bearing 14's rotation opposite direction, can make rotary drum 8 when rotating toward not equidirectional, can drive respectively and go up one-way driving roller 11 and one-way driving roller 9 down.
The left side of lower unidirectional flux roller 9 is equipped with left driving roller 10, be connected through driving belt between lower unidirectional flux roller 9 and the left driving roller 10, can drive left driving roller 10 through lower unidirectional flux roller 9 and rotate, the upside fixedly connected with left transfer line 15 of left driving roller 10, left transfer line 15 is rotatory along with the rotation of left driving roller 10, left transfer line 15 passes the upper end swing joint of mount 16 and support frame 2, the upper end of left transfer line 15 is equipped with left transmission bevel gear 31, can drive left transmission bevel gear 31 through left transfer line 15 and rotate.
The right side of going up one-way driving roller 11 is equipped with right driving roller 13, go up and be connected through driving belt between one-way driving roller 11 and the right driving roller 13, it can drive right driving roller 13 and rotate to go up one-way driving roller 11, the middle part fixedly connected with right transfer line 17 of right driving roller 13, right transfer line 17 passes the upper end swing joint of mount 16 and support frame 2, right transfer line 17 rotates along with the rotation of right driving roller 13, the upper end of right transfer line 17 is equipped with right transmission bevel gear 32, be equipped with one-way bearing 14 between right transmission bevel gear 32 and the right transfer line 17, the rotation through right transmission bevel gear 32 can drive right transfer line 17 and rotate.
One end of the right transmission rod 17 penetrating through the right transmission roller 13 is provided with a threaded portion 18, the threaded portion 18 is arranged in the storage chamber 4, an extrusion plate 19 is arranged inside the storage chamber 4, the extrusion plate 19 is in threaded connection with the threaded portion 18, the extrusion plate 19 can be driven to ascend through the right transmission rod 17, and then rubber materials in the storage chamber 4 are extruded into the cavity 28.
The material storage chamber 4 is internally provided with a plurality of heating rods 20 for heating sizing materials, the plurality of heating rods 20 and the thread part 18 are arranged in parallel, the heating rods 20 penetrate through the extrusion plate 19 and are fixedly connected with the upper end and the lower end of the material storage chamber 4, the rotation of the extrusion plate 19 can be limited through the heating rods 20, and the upper side of the material storage chamber 4 is sequentially provided with a material guide pipe 22 for conveying the sizing materials and a material feeding hole 21 for supplementing the sizing materials from left to right.
The position that mount 16 is close to air cavity 25 is equipped with a plurality of balanced through-holes 23 that are used for balanced atmospheric pressure, and the upside of injection molding piece 24 is equipped with annular slot 40, and annular slot 40 sets up in the outside of assembly lower mould benevolence 27, and the downside of upper mould benevolence 29 is equipped with annular lug 39, and annular lug 39 and annular slot 40's size phase-match can improve the leakproofness through setting up annular lug 39 and annular slot 40, and the inboard fixedly connected with of annular lug 39 is used for further improving the sealed rubber ring 38 of leakproofness.
The upper die core 29 is internally provided with a material injection pipe 30 for conveying the rubber material, the lower side of the material injection pipe 30 is provided with a plurality of material injection ports 37 for injecting the rubber material corresponding to the positions of the plurality of lower assembling die cores 27, the plurality of material injection ports 37 penetrate through the upper die core 29 to be communicated with the outside, and the upper side of the material injection pipe 30 is fixedly connected with the upper end of the material guide pipe 22.
The upper side of the upper die core 29 is fixedly connected with a connecting rod 34 for controlling the upper die core 29 to move up and down, the upper side of the connecting rod 34 is provided with a second screw 35, the second screw 35 is in threaded connection with the connecting rod 34, the connecting rod 34 can be controlled to move up and down through the second screw 35, the upper part of the second screw 35 is provided with a transmission bevel gear 36, the transmission bevel gear 36 can drive the second screw 35 to rotate, two sides of the transmission bevel gear 36 are respectively provided with a bevel gear transmission mechanism 33 for driving and controlling the transmission bevel gear 36 to rotate, one end of the bevel gear transmission mechanism 33 far away from the transmission bevel gear 36 is respectively engaged and connected with a left transmission bevel gear 31 and a right transmission bevel gear 32, the transmission bevel gear transmission mechanism 33 comprises two bevel gears arranged in opposite directions, the middle parts of the two bevel gears are provided with connecting rods, the rotation between the two bevel gears can be transmitted through the connecting rod, the middle part of the connecting rod is movably connected with a fixed rod, the lower end of the fixed rod on the left side is fixedly connected with a guide rod, the guide rod penetrates through the upper mold core 29 to be movably connected with the upper mold core 29, and the upper mold core 29 can be prevented from rotating through the guide rod.
The specific working principle of the above embodiment is as follows:
when the pneumatic rubber storage device is used, the rotating shaft 6 and the rotating drum 8 can be driven to rotate through the driving motor 5, the first screw 12 is in threaded connection with the rotating drum 8, the upper end of the first screw 12 is fixedly connected with the piston plate 26, the piston plate 26 is in splined connection with the injection molding block 24, the first screw 12 cannot rotate, the piston plate 26 can be controlled to move downwards through the rotation of the rotating drum 8, negative pressure is formed in the air cavity 25, negative pressure is formed in the cavity 28 through a thin tube between the cavity 28 and the air cavity 25, and rubber materials in the storage chamber 4 are sucked into the cavity 28 through the material guide tube 22; meanwhile, the upper one-way transmission roller 11 rotates along with the rotation of the rotary drum 8, the right transmission roller 13 is driven to rotate through the transmission belt, the right transmission roller 13 is fixedly connected with the right transmission rod 17, the extrusion plate 19 is driven to ascend when the threaded part 18 rotates, the rubber material is extruded upwards, and the rubber material is injected into the lower assembling die core 27; after the plastic is molded, the driving motor 5 rotates reversely to drive the lower unidirectional driving roller 9 and the left driving roller 10 to rotate, the left driving bevel gear 31 is driven to rotate through the left driving rod 15, and then the driving bevel gear 36 is driven to rotate reversely through the left bevel gear transmission mechanism 33 to drive the second screw 35 to rotate, so that the connecting rod 34 is controlled to move upwards, and the upper mold core 29 is separated from the lower assembled mold core 27; meanwhile, the rotation of the rotary drum 8 drives the first screw 12 and the piston plate 26 to ascend, so that the gas in the gas cavity 25 is extruded, the molded plastic in the cavity 28 is separated from the inner wall of the cavity 28, the taking out is facilitated, and the production efficiency is greatly improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The injection molding equipment for plastic production comprises a base (1) and is characterized in that a support frame (2) is arranged on the upper side of the base (1), a motor base (3) and a material storage chamber (4) are sequentially arranged at the lower end of the support frame (2) from left to right, a driving motor (5) is arranged on the upper side of the motor base (3), a rotating shaft (6) is fixedly connected to the output end of the upper end of the driving motor (5), a rotating disc (7) is fixedly connected to the upper end of the rotating shaft (6), a rotating drum (8) is fixedly connected to the upper side of the rotating disc (7), a first screw (12) is arranged on the upper side of the rotating drum (8), a fixing frame (16) is arranged in the middle of the support frame (2), a piston plate (26) is fixedly connected to one end of the first screw (12) penetrating through the fixing frame (16), and an injection molding, the lower part of injection molding piece (24) is equipped with air cavity (25), in air cavity (25) was located in piston plate (26), piston plate (26) and air cavity (25) splined connection, the upper portion of injection molding piece (24) is equipped with assembly lower mould benevolence (27), the inside of assembly lower mould benevolence (27) is equipped with a plurality of die cavities (28), be equipped with the air duct between die cavity (28) and air cavity (25), the top of air cavity (25) is equipped with upper mould benevolence (29) that cooperation air cavity (25) used.
2. The injection molding equipment for plastic production according to claim 1, wherein the middle of the rotating drum (8) is provided with two one-way bearings (14) from top to bottom, an upper one-way transmission roller (11) is fixedly connected to the outside of the upper one-way bearing (14), a lower one-way transmission roller (9) is fixedly connected to the outside of the lower one-way bearing (14), and the rotation directions of the two one-way bearings (14) are opposite.
3. The injection molding device for plastic production according to claim 2, wherein a left driving roller (10) is arranged on the left side of the lower one-way driving roller (9), the lower one-way driving roller (9) is connected with the left driving roller (10) through a driving belt, a left driving rod (15) is fixedly connected to the upper side of the left driving roller (10), the left driving rod (15) penetrates through the fixing frame (16) to be movably connected with the upper end of the support frame (2), and a left driving bevel gear (31) is arranged at the upper end of the left driving rod (15).
4. The injection molding device for plastic production according to claim 2, wherein a right transmission roller (13) is arranged on the right side of the upper one-way transmission roller (11), the upper one-way transmission roller (11) is connected with the right transmission roller (13) through a transmission belt, a right transmission rod (17) is fixedly connected to the middle of the right transmission roller (13), the right transmission rod (17) penetrates through a fixed frame (16) to be movably connected with the upper end of the support frame (2), a right transmission bevel gear (32) is arranged at the upper end of the right transmission rod (17), and a one-way bearing (14) is arranged between the right transmission bevel gear (32) and the right transmission rod (17).
5. An injection molding apparatus for plastic production according to claim 4, wherein one end of the right driving rod (17) penetrating through the right driving roller (13) is provided with a threaded portion (18), the threaded portion (18) is disposed in the storage chamber (4), an extrusion plate (19) is disposed inside the storage chamber (4), and the extrusion plate (19) is in threaded connection with the threaded portion (18).
6. The injection molding device for plastic production according to claim 5, wherein a plurality of heating rods (20) are arranged inside the storage chamber (4), the plurality of heating rods (20) and the threaded portion (18) are arranged in parallel, the heating rods (20) penetrate through the extrusion plate (19) and are fixedly connected with the upper end and the lower end of the storage chamber (4), and a material guide pipe (22) and a material inlet (21) are sequentially arranged on the upper side of the storage chamber (4) from left to right.
7. An injection moulding device for plastic production according to claim 1, characterized in that the holder (16) is provided with a plurality of balancing through holes (23) near the air cavity (25), the upper side of the injection moulding block (24) is provided with an annular slot (40), and the annular slot (40) is arranged on the outer side of the lower assembly mould core (27).
8. The injection molding device for plastic production as claimed in claim 1, wherein an annular protrusion (39) is disposed on the lower side of the upper mold core (29), the annular protrusion (39) matches with the annular slot (40), and a sealing rubber ring (38) is fixedly connected to the inner side of the annular protrusion (39).
9. The injection molding device for plastic production according to claim 6, wherein a material injection pipe (30) is arranged inside the upper mold core (29), a plurality of material injection ports (37) are arranged at positions of the lower side of the material injection pipe (30) corresponding to the plurality of lower mold cores (27), the plurality of material injection ports (37) penetrate through the upper mold core (29) to be communicated with the outside, and the upper side of the material injection pipe (30) is fixedly connected with the upper end of the material guide pipe (22).
10. The injection molding device for plastic production according to claim 4, wherein the upper mold core (29) is fixedly connected with a connecting rod (34), the upper side of the connecting rod (34) is provided with a second screw (35), the second screw (35) is in threaded connection with the connecting rod (34), the upper part of the second screw (35) is provided with a transmission bevel gear (36), two sides of the transmission bevel gear (36) are respectively provided with a bevel gear transmission mechanism (33), one end of the bevel gear transmission mechanism (33) far away from the transmission bevel gear (36) is respectively in meshed connection with the left transmission bevel gear (31) and the right transmission bevel gear (32), the bevel gear transmission mechanisms (33) comprise two bevel gears arranged in opposite directions, the middle parts of the two bevel gears are provided with connecting rods, and the middle parts of the connecting rods are movably connected with fixing rods, the lower end of the fixed rod on the left side is fixedly connected with a guide rod, and the guide rod penetrates through the upper die core (29) and is movably connected with the upper die core (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079795.XA CN112936776A (en) | 2021-01-21 | 2021-01-21 | Injection molding equipment is used in plastic production |
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| CN114103008A (en) * | 2021-11-15 | 2022-03-01 | 嘉兴横河汽车电器有限公司 | A micro-motor skeleton injection molding mold |
| CN115302718A (en) * | 2022-08-24 | 2022-11-08 | 苏州迈创信息技术有限公司 | A molding die for injection molding parts of security camera shell |
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