CN117464917B - Plastic structural member forming equipment and method adopting precise injection - Google Patents
Plastic structural member forming equipment and method adopting precise injection Download PDFInfo
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- CN117464917B CN117464917B CN202311596027.7A CN202311596027A CN117464917B CN 117464917 B CN117464917 B CN 117464917B CN 202311596027 A CN202311596027 A CN 202311596027A CN 117464917 B CN117464917 B CN 117464917B
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- 238000002347 injection Methods 0.000 title claims abstract description 64
- 239000007924 injection Substances 0.000 title claims abstract description 64
- 239000004033 plastic Substances 0.000 title claims abstract description 34
- 229920003023 plastic Polymers 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 125
- 238000001746 injection moulding Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 58
- 239000007921 spray Substances 0.000 claims description 26
- 238000000465 moulding Methods 0.000 claims description 14
- 210000001503 joint Anatomy 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000007711 solidification Methods 0.000 claims description 7
- 230000008023 solidification Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 description 13
- 238000013461 design Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000009351 contact transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 240000004282 Grewia occidentalis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1742—Mounting of moulds; Mould supports
-
- 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
- B29C45/1773—Means for adjusting or displacing the injection unit into different positions, e.g. for co-operating with different 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
- B29C45/46—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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76595—Velocity
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76822—Phase or stage of control
- B29C2945/76859—Injection
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of injection molding machines, in particular to a plastic structural member forming device and a plastic structural member forming method adopting precise injection, wherein the plastic structural member forming device comprises a base, the top of the base is slidably connected with a supporting plate, the top of the supporting plate is clamped with a die, the die comprises a lower die and an upper die, the lower die is clamped at the top of the supporting plate, the upper die is clamped with the lower die, and a material injection port is arranged on the upper die.
Description
Technical Field
The invention relates to the technical field of injection molding machinery, in particular to a plastic structural part molding device and method adopting precise injection.
Background
For plastic structural members such as sound structural members, plastics are injected into a metal sound mould to be molded through a traditional injection molding machine at present, and the product is solid and has no hollow structure micropores. The structural member prepared by the method is of a solid structure, and has high density, low specific strength, high specific gravity and high cost; and the performance of absorbing impact load and sound insulation is general; in addition, the plastic injection molding is high-pressure molding, so that the expansion coefficient is large in the processing process, burrs are easy to generate on the product, and high pressure and high energy consumption are required for output of an injection molding machine; particularly for large thick-wall parts, the surface has water shrinkage marks, the molding period is long, and the cost is high.
The application publication number is: CN106426723a is a foaming forming mould and a forming method of a plastic structural member, which belong to the technical field of plastic forming. The invention relates to a foaming forming die which comprises a product cavity, a heating meson channel, a cooling channel, a temperature sensing element and a heating and cooling control device, wherein the heating meson channel and the cooling channel are provided with electronic signal control valves, the heating and cooling control device is respectively connected with the temperature sensing element and the electronic signal control valves, and the temperature of the product cavity can be regulated by the heating Wen Jiezi channel and the cooling channel. The beneficial effects of the invention are as follows: quick-acting heating meson and cooling channel control are adopted to realize the luster, no material flower, low stress, low density and high-quality micropore foaming of the product surface, the surface hardness of the prepared product is higher, and the foaming inside the material is more uniform
In the prior art, when the plastic structure is molded, the defects still exist:
1. When the existing injection molding machine is in butt joint with a mold, the existing injection molding machine is generally in butt joint by adopting manpower, so that the connection operation is troublesome when the mold needs to be replaced, the temperature at the discharge end of the injection molding machine is higher, and certain danger exists in disassembly;
2. at present, the length of the injection can not be controlled in the injection molding process, and the problem of solidification easily occurs in the injection process when the thermoplastic material is injected.
In view of the above problems, the present disclosure provides a molding apparatus and a molding method for plastic structural members by precision injection.
Disclosure of Invention
The invention provides a plastic structural member forming device and a plastic structural member forming method adopting precise injection, which solve the defects that a liquid outlet end and a die are required to be connected manually in the prior art, and the flow speed of a material cannot be controlled in the injection molding process.
The invention provides the following technical scheme:
The utility model provides an adopt plastics structure former of accurate injection, includes the base, and the top sliding connection of base has the layer board, and the top card of layer board is equipped with the mould, and the mould includes lower mould and last mould, and the lower mould card is adorned at the top of layer board, goes up mould and lower mould looks card dress, installs the notes material mouth on the last mould, and this former still includes:
The top of the support frame is fixedly provided with a feed box, the inner wall of the bottom of the feed box is provided with a material injection mechanism, and the bottom of the material injection mechanism extends into the support frame;
The pushing mechanism is arranged in the material box, the top of the pushing mechanism extends to the upper part of the material box and is used for pushing materials in the material box into the material injection mechanism, and the bottom of the pushing mechanism extends into the support frame and is respectively connected with the inner wall of one side of the support frame and the material injection mechanism;
The power mechanism is arranged at one side of the top of the support frame and provides power to enable the whole equipment to operate;
the connecting mechanism is respectively connected with the power mechanism, the feed box and the pushing mechanism, and can transmit the power of the power mechanism to the pushing mechanism.
In one possible design, the material injecting mechanism comprises a discharging pipe fixedly installed on the inner wall of the bottom of the material box, the bottom end of the discharging pipe extends into the supporting frame, the bottom end of the discharging pipe is of a closed structure, a flow hole is formed in the inner wall of one side bottom of the discharging pipe, a moving pipe is connected with the material pushing mechanism in a sliding mode and used for injecting materials into the material injecting hole, after the materials enter the discharging pipe, the moving pipe is connected with a spray head assembly and moves downwards after the moving pipe receives the power of the material pushing mechanism, the spray head assembly is in a communicating butt joint state with the flow hole, the spray head assembly is in butt joint with the material injecting hole, and the materials can be injected into the material injecting hole through the spray head assembly, so that the materials can be accurately injected into a mold during injection molding, and injection molding is facilitated.
In one possible design, the shower nozzle subassembly includes the conveyer pipe of fixed mounting on the one side top inner wall of moving the pipe, the bottom fixed mounting of moving the pipe has the spread box, the bottom of conveyer pipe extends to the spread box and with one side inner wall fixed connection of spread box, when the conveyer pipe corresponds with the flow hole, can carry the material to the spread box in, fixed mounting has the shower nozzle on the bottom inner wall of spread box, the bottom of shower nozzle extends to the below of spread box, when moving the pipe downwardly moving, can drive the conveyer pipe and move down, make the conveyer pipe can dock with the flow hole, can make the material flow into the spread box through flow hole and conveyer pipe this moment, and when moving the pipe downwardly moving, can make the shower nozzle keep docking with annotating the material mouth, so the material that gets into the spread box can be through shower nozzle and annotating the material mouth and pour into the mould into, with this can realize annotating the material.
In one possible design, the pushing mechanism comprises a nut fixedly installed on one side of the top of the supporting frame, a screw is connected with an internal thread of the nut, the top end of the screw extends to the upper side of the nut and is connected with the power mechanism, a piston component is connected to the screw, the bottom of the piston component extends into the material box and is connected with the inner wall of the material box, the bottom end of the screw extends into the supporting frame and is connected with a pulling component, the pulling component is respectively connected with one side inner wall of the supporting frame and the other side of the moving pipe, after the screw receives the driving force of the power mechanism, the pushing component can rotate, at the moment, under the action of the thread transmission of the nut, the pushing component can drive the moving pipe to move downwards, and after the screw descends by a certain height, the piston component can be pushed to move downwards, so that thrust can be formed on materials in the material box, and the materials can be discharged from the discharging pipe.
In one possible design, the piston assembly includes the push pedal of sealed sliding connection in the workbin, fixed mounting has the push rod on the top central point of push pedal put, the top of push rod runs through the top inner wall of workbin and extends to the top of workbin, the top fixed mounting of push rod has the connecting plate, the screw rod runs through the connecting plate, fixed cover is equipped with the die-ring that is located between connecting plate and the nut on the screw rod for promote the connecting plate and upwards move, after the screw rod descends certain height, can provide decurrent thrust to the connecting plate for the connecting plate moves down, when the connecting plate moves down, the accessible push rod drives the push pedal and moves down, the material is located the below of push pedal this moment, after receiving the decurrent thrust of push pedal, can discharge the material by the unloading intraductal.
In a possible design, the pulling assembly includes the movable plate of cover on the screw rod, one side of movable plate and the opposite side top fixed connection of movable tube, and the opposite side of movable plate and one side top inner wall sliding connection of support frame, the bottom rotation of movable plate is connected with the go-between, the screw rod runs through the go-between, the cover is equipped with the extension spring that is located the go-between below on the screw rod, the top and the bottom of extension spring respectively with the bottom of go-between and the bottom fixed connection of screw rod, when the screw rod moves down, accessible extension spring and go-between can drive movable plate and move down, can drive movable tube and move down, keep the butt joint back at shower nozzle and annotate the material mouth, movable tube just can not move down, when in order to promote the push pedal and move down this moment, can make extension spring be in atress tensile state when the screw rod continues to move down, so can make shower nozzle and the inseparable butt joint of annotate material mouth.
In one possible design, the power mechanism comprises a fixing frame fixedly installed at one side of the top of the supporting frame, a supporting plate is slidably connected in the fixing frame, a screw rod is rotatably installed at the top of the supporting plate, the top end of the screw rod penetrates through the top inner wall of the fixing frame and extends to the upper side of the fixing frame, the screw rod is in threaded connection with the top inner wall of the fixing frame, one side of the supporting plate extends to the outer side of the fixing frame and is connected with a telescopic component, one side of the top of the supporting frame is rotatably connected with a driving shaft, a conical rubber roller is fixedly sleeved on the driving shaft, one end of the telescopic component is provided with a conical rubber roller, the conical rubber roller and the conical rubber roller are in friction transmission, a driving motor is fixedly installed at the top of the supporting plate, an output shaft of the driving motor penetrates through the supporting plate and extends to the lower side of the supporting plate, a transmission bevel gear is fixedly installed on the output shaft of the driving motor, a driven bevel gear is connected with the telescopic component, the transmission bevel gear is meshed with the driven bevel gear, the top end of the driving shaft is connected with a connecting mechanism, the height of the supporting plate is adjusted through the transmission screw rod, the height of the conical rubber roller can be adjusted through the telescopic component, the conical rubber roller and the different positions of the conical rubber roller can be in contact transmission, the conical rubber roller can extend to the conical rubber roller, the conical rubber roller can be driven by the bevel roller can rotate under the action of the driving motor, and the bevel motor can rotate under the action of the driving motor, and can be driven by the rotation, and can rotate down the bevel roller can rotate conveniently and rotate by the bevel roller and can rotate down the driving mechanism and rotate roller and rotate conveniently and rotate roller, so that the screw rotates.
In a possible design, the telescopic assembly is including rotating the junction housing of connecting in backup pad one side, symmetrical fixed mounting has two gag levers on the inner wall of one side of junction housing, the slip cover is equipped with same slide on two gag levers, the cover is equipped with compression spring on the gag lever, compression spring's both ends respectively with one side inner wall of junction housing and one side fixed connection of slide, one side fixed mounting of slide has the transfer line, the one end of transfer line extends to the outside of junction housing and with one side fixed connection of toper rubber wheel, driven bevel gear fixed cover is established on the junction housing, utilize two compression springs to carry out elastic support to the slide, can provide stable thrust to toper rubber wheel for toper rubber wheel and toper rubber roller in close contact, prevent when carrying out the transmission, and when the junction housing rotates along with driven bevel gear, can drive the stable rotation of toper rubber wheel under the transmission effect of transfer line, so as to can guarantee the stable output of power.
In one possible design, the connecting mechanism comprises a driving gear fixedly installed at the top end of the driving shaft, a transmission toothed ring is sleeved on the feed box in a rotating manner, the driving gear is meshed with the transmission toothed ring, a rotating shaft is rotatably connected to the top of the supporting frame, a gear column is fixedly installed at the top end of the rotating shaft and meshed with the transmission toothed ring, a driven toothed ring is fixedly installed at the top end of the screw rod and meshed with the gear column, the driving gear can be driven to rotate when the conical rubber roller rotates, so that the transmission toothed ring can be driven to rotate under the meshing transmission action of the driving gear column, the screw rod can be driven to rotate under the meshing transmission action of the driven toothed ring when the gear column rotates, and the driven toothed ring can not be separated from the gear column when moving downwards along with the screw rod, so that stable rotation can be kept, and stable driving force can be provided for the screw rod.
The application method of the plastic structural member forming equipment adopting precise injection comprises the following steps:
S1, clamping a die to be used on a supporting plate, and then pushing the die into a supporting frame, so that a material injection port and a spray head keep the same straight line position;
S2, rotating the screw rod according to the solidification time of the material as a reference, and adjusting the height of the conical rubber wheel to enable the conical rubber wheel to be in friction transmission with a designated area of the conical rubber roller, so that the rotating speed of the screw rod can be controlled, and the flow rate of material injection can be controlled when the material is injected into the die;
S3, a movable driving motor drives a telescopic assembly to operate, then friction transmission is carried out between a conical rubber wheel and a conical rubber roller, a connecting mechanism can be driven to operate, when the connecting mechanism operates, a rotating force can be provided for a screw rod, so that the screw rod rotates, and under the action of screw thread transmission of a nut, a pulling assembly can be driven to move downwards, namely a moving pipe can be driven to move downwards, a spray head is abutted with a material injection port, and a conveying pipe is abutted with a flow hole;
S4, after the driven toothed ring moves downwards to be in contact with the connecting plate, the push rod can be driven to move downwards, the push plate can be driven to move downwards, thrust is formed on the material, the material can enter the blanking pipe, and then the material can be injected into the die through the conveying pipe and the spray head, so that the purpose of injecting the material into the die can be achieved.
In the invention, when the mould to be used is clamped on the supporting plate, the mould can be pushed into the supporting frame, the material injection opening and the spray head are kept at the same straight line position, then the screw rod can be rotated according to the solidification time of the material as a reference, the screw rod is in threaded connection with the inner wall of the top of the fixing frame, so that the screw rod can longitudinally move when the screw rod is rotated, at the moment, the supporting plate can longitudinally move along with the screw rod, then the height of the conical rubber wheel can be adjusted under the driving of the connecting cover and the transmission rod, the conical rubber wheel and the designated area of the conical rubber roller can be in friction transmission, so that the rotation speed of the screw rod can be controlled, the injection flow rate of the material can be controlled when the material is injected into the mould, the problem of solidification of the material can be prevented in the material injection process can be avoided, after the position of the conical rubber wheel is adjusted, the driving motor can be started to drive the transmission bevel gear to rotate, at the moment, under the meshing transmission action with the driven bevel gear, the connecting cover can be driven to rotate, when the connecting cover rotates, the sliding plate can synchronously rotate, the conical rubber wheel can be driven to rotate through the transmission rod, because the conical rubber wheel is stably friction-driven and matched with the conical rubber roller, the conical rubber roller can rotate, namely the driving shaft can be driven to rotate, when the driving shaft rotates, the driving gear can be driven to rotate, when the driving gear rotates, the transmission toothed ring can be driven to rotate, at the moment, under the meshing transmission action with the gear column, the gear column can be driven to rotate, when the gear column rotates, under the meshing transmission action with the driven toothed ring, can drive the screw rod and rotate, alright under the screw thread transmission effect with the nut, can make the screw rod rotate down to move, when the screw rod moves down, can drive the movable plate through extension spring and go-between and move down, at this moment under the drive of movable plate, can drive the movable tube and move down, make the shower nozzle dock with annotate the material mouth, the conveyer pipe docks with the flow hole, in order to annotate the mould with the material, and adopt automatic butt joint's mode to replace the manual work to dock, in order to carry out annotating the material, can promote work efficiency, be favorable to promoting the injection efficiency of injection molding, when shower nozzle and annotate the material mouth keep docking, the movable tube just can not move down at this moment, driven ring gear moves down to after the contact with the connecting plate, can promote the connecting plate and move down, at this moment can drive the push rod and move down, can drive the push pedal and move down, in the material forms the thrust, make the material can get into the unloading intraductal, afterwards the material can pass through the flow hole, the conveyer pipe, the connecting box and shower nozzle can be poured into the mould, in order to accomplish the purpose of annotating the material in the mould.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
According to the invention, when a mould to be used is clamped on the supporting plate, the mould can be pushed into the supporting frame, the material injection port and the spray head are kept at the same straight line position, and then the screw rod can be rotated to adjust the height of the conical rubber wheel according to the solidification time length of the material, so that the conical rubber wheel and the designated area of the conical rubber roller are subjected to friction transmission, the rotation speed of the screw rod can be controlled, the injection flow rate of the material can be controlled when the material is injected into the mould, and the problem of solidification of the material in the material injection process can be avoided;
According to the invention, after the position of the conical rubber wheel is adjusted, the driving motor can be started to drive the telescopic assembly to operate, then the connecting mechanism can be driven to operate through friction transmission of the conical rubber wheel and the conical rubber roller, and when the connecting mechanism operates, a rotating force can be provided for the screw rod to rotate, so that the screw rod can be driven to move downwards under the action of the thread transmission of the nut, namely the moving pipe can be driven to move downwards, the spray head is abutted with the material injection port, the conveying pipe is abutted with the flow hole, so that materials are injected into a die, and an automatic abutting mode is adopted to replace manual abutting, so that the working efficiency can be improved when the injection is carried out, and the injection efficiency of injection molding pieces can be improved;
According to the invention, when the nozzle and the material injection port are in butt joint, the movable pipe cannot move downwards, at the moment, the driven toothed ring in the connecting mechanism can drive the push rod to move downwards after moving downwards to be in contact with the connecting plate, so that the push plate can be driven to move downwards to push materials, the materials can enter the blanking pipe, and then the materials can be injected into the die through the conveying pipe and the nozzle, so that the purpose of injecting the materials into the die can be achieved.
According to the invention, the driving motor is started to drive the screw threads to move downwards, so that the spray head and the injection port can be automatically butted, after the spray head and the injection port are butted, the materials can be pushed out of the feed box along with the continuous downward movement of the screw, so that the automatic injection can be realized, and the working efficiency can be stably improved when injection molding parts are produced.
Drawings
FIG. 1 is a three-dimensional schematic view of southeast view angle structure of a plastic structural member molding apparatus employing precision injection according to an embodiment of the present invention;
FIG. 2 is a three-dimensional schematic diagram of a four-corner structure of northwest of a plastic structural member molding apparatus employing precision injection according to an embodiment of the present invention;
FIG. 3 is a three-dimensional schematic view of a southwest perspective view of a molding apparatus for plastic structures using precision injection according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of part A in FIG. 3 of a molding apparatus for plastic structural parts using precision injection according to an embodiment of the present invention;
FIG. 5 is a three-dimensional schematic view of a base, pallet, lower mold and upper mold connecting structure of a plastic structural member molding apparatus employing precision injection according to an embodiment of the present invention;
FIG. 6 is a three-dimensional schematic diagram of a connection structure of a driving gear, a driving gear ring, a gear post, a driven gear and a screw of a plastic structural member molding device using precision injection according to an embodiment of the present invention;
FIG. 7 is a schematic view of a portion B of the apparatus for forming plastic structural members using precision injection according to an embodiment of the present invention;
FIG. 8 is a three-dimensional schematic diagram of a fixing frame, a driving motor, a connecting cover, a transmission rod and a conical rubber roller connecting structure of a plastic structural member forming device adopting precise injection, which is provided by the embodiment of the invention;
FIG. 9 is a three-dimensional schematic view of the internal structure of a bin of a plastic structural member forming device using precision injection according to an embodiment of the invention;
fig. 10 is a three-dimensional schematic diagram of a transmission rod, a connection plate, two limit rods and two compression springs of a plastic structural member molding device adopting precision injection according to an embodiment of the present invention.
Reference numerals:
1. A base; 2. a supporting plate; 3. a lower die; 4. an upper die; 5. a material injection port; 6. a support frame; 7. a feed box; 8. a push plate; 9. a push rod; 10. a connecting plate; 11. a nut; 12. a screw; 13. a backing ring; 14. a moving plate; 15. discharging pipes; 151. a flow hole; 16. a moving tube; 17. a delivery tube; 18. a connection box; 19. a spray head; 20. a tension spring; 21. a driven toothed ring; 22. a rotating shaft; 23. a gear post; 24. a drive shaft; 25. a drive gear; 26. a drive ring gear; 27. a support plate; 28. a screw rod; 29. a connection cover; 30. a transmission rod; 31. a conical rubber wheel; 32. a conical rubber roller; 33. a driving motor; 34. a transmission bevel gear; 35. a driven bevel gear; 36. a slide plate; 37. a limit rod; 38. a compression spring; 39. and a fixing frame.
Detailed Description
Embodiments of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention.
In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present invention are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present invention, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present invention.
In embodiments of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the embodiment of the present invention, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
Example 1
Referring to fig. 1-9, a plastic structural member molding device adopting precise injection comprises a base 1, a support frame 6 and a pushing mechanism, wherein the top of the base 1 is slidably connected with a supporting plate 2, a mold is clamped at the top of the supporting plate 2, the mold comprises a lower mold 3 and an upper mold 4, the lower mold 3 is clamped at the top of the supporting plate 2, the upper mold 4 and the lower mold 3 are clamped, a material injection port 5 is arranged on the upper mold 4, a material box 7 is fixedly arranged at the top of the support frame 6, a material injection mechanism is arranged on the inner wall of the bottom of the material box 7, the bottom of the material injection mechanism extends into the support frame 6, the pushing mechanism is arranged in the material box 7, the top of the pushing mechanism extends to the upper side of the material box 7 and is used for pushing materials in the material injection mechanism, and the bottom of the pushing mechanism extends into the support frame 6 and is respectively connected with one side inner wall of the support frame 6 and the material injection mechanism.
Referring to fig. 6, the material injecting mechanism includes a blanking pipe 15 fixedly installed on the inner wall of the bottom of the material box 7, the bottom end of the blanking pipe 15 extends into the supporting frame 6, the bottom end of the blanking pipe 15 is of a closed structure, a flow hole 151 is formed in the inner wall of the bottom of one side of the blanking pipe 15, a moving pipe 16 is slidably connected to the blanking pipe 15, the moving pipe 16 is connected with a pushing mechanism, a nozzle assembly is connected to the moving pipe 16 and is used for injecting materials into the material injecting hole 5, after the materials enter the blanking pipe 15, the moving pipe 16 receives the power of the pushing mechanism and then moves downwards, so that the nozzle assembly is in a communicating and abutting state with the flow hole 151, and the nozzle assembly is abutted with the material injecting hole 5, so that the materials can be injected into the material injecting hole 5 through the nozzle assembly, and the materials can be accurately injected into the mold during injection, for injection molding, in fig. 6, the spray head assembly includes a transfer pipe 17 fixedly installed on a top inner wall of one side of a transfer pipe 16, a connection box 18 is fixedly installed at a bottom end of the transfer pipe 16, a bottom end of the transfer pipe 17 extends into the connection box 18 and is fixedly connected with a side inner wall of the connection box 18, a material can be transferred into the connection box 18 when the transfer pipe 17 corresponds to a flow hole 151, a spray head 19 is fixedly installed on a bottom inner wall of the connection box 18, a bottom end of the spray head 19 extends below the connection box 18, the transfer pipe 17 can be driven to move downward when the transfer pipe 16 moves downward, so that the transfer pipe 17 can be abutted with the flow hole 151, at this time, the material can flow into the connection box 18 through the flow hole 151 and the transfer pipe 17, and when the transfer pipe 16 moves downward, the spray head 19 can be kept abutted with a material inlet 5, the material entering the connecting box 18 can be injected into the mould through the nozzle 19 and the injection port 5, so that the injection can be realized.
Referring to fig. 1,3 and 9, the pushing mechanism comprises a nut 11 fixedly installed at one side of the top of a supporting frame 6, a screw rod 12 is connected with the nut 11 through internal threads, the top end of the screw rod 12 extends to the upper side of the nut 11 and is connected with a power mechanism, a piston assembly is connected to the screw rod 12, the bottom of the piston assembly extends into a material box 7 and is connected with the inner wall of the material box 7, the bottom end of the screw rod 12 extends into the supporting frame 6 and is connected with a pulling assembly, the pulling assembly is respectively connected with the inner wall of one side of the supporting frame 6 and the other side of a moving pipe 16, after the screw rod 12 receives the driving force of the power mechanism, the screw rod 12 can rotate, at the moment, the screw rod can move downwards under the action of the screw transmission with the nut 11, so that the moving pipe 16 can be driven to move downwards through the pulling assembly, and after the screw rod 12 descends by a certain height, the piston assembly can be pushed to move downwards, in this way, thrust can be formed on the material in the feed box 7, so that the material can be discharged from the discharging pipe 15, in fig. 9, the piston assembly comprises a push plate 8 which is connected in a sealing sliding manner in the feed box 7, a push rod 9 is fixedly arranged at the top center position of the push plate 8, the top end of the push rod 9 penetrates through the top inner wall of the feed box 7 and extends to the upper part of the feed box 7, a connecting plate 10 is fixedly arranged at the top end of the push rod 9, a screw rod 12 penetrates through the connecting plate 10, a supporting ring 13 which is positioned between the connecting plate 10 and a nut 11 is fixedly sleeved on the screw rod 12 and is used for pushing the connecting plate 10 to move upwards, after the screw rod 12 descends by a certain height, downward thrust is provided for the connecting plate 10, so that the connecting plate 10 moves downwards, when the connecting plate 10 moves downwards, the push plate 8 can be driven to move downwards by the push rod 9, the material is positioned below the push plate 8 at the moment, and after being subjected to downward thrust of the push plate 8, in fig. 1, the pulling assembly comprises a moving plate 14 sleeved on a screw 12, one side of the moving plate 14 is fixedly connected with the top of the other side of the moving tube 16, the other side of the moving plate 14 is slidably connected with the inner wall of the top of one side of the supporting frame 6, the bottom of the moving plate 14 is rotationally connected with a connecting ring, the screw 12 penetrates through the connecting ring, a tension spring 20 positioned below the connecting ring is sleeved on the screw 12, the top end and the bottom end of the tension spring 20 are respectively fixedly connected with the bottom of the connecting ring and the bottom end of the screw 12, when the screw 12 moves downwards, the moving plate 14 can be driven to move downwards through the tension spring 20 and the connecting ring, and the moving tube 16 can be driven to move downwards, after a spray head 19 is kept in butt joint with a material injection port 5, at this time, when the push plate 8 is pushed to move downwards, the screw 12 continues to move downwards, the tension spring 20 can be in a forced tension state, so that the spray head 19 can be tightly in butt joint with the material injection port 5.
Example 2
Referring to fig. 3, 4, 6, 7, 8, 9 and 10, on the basis of the first embodiment, the plastic structural member forming device adopting precision injection according to the first embodiment further comprises a power mechanism and a connecting mechanism, wherein the power mechanism is installed on one side of the top of the supporting frame 6 and provides power to enable the whole device to operate, and the connecting mechanism is respectively connected with the power mechanism, the material box 7 and the material pushing mechanism and can transmit the power of the power mechanism to the material pushing mechanism.
Referring to fig. 3, the power mechanism includes a fixing frame 39 fixedly installed at one side of the top of the supporting frame 6, a supporting plate 27 is slidably connected to the fixing frame 39, a screw rod 28 is rotated at the top of the supporting plate 27, the top end of the screw rod 28 penetrates through the top inner wall of the fixing frame 39 and extends to the upper side of the fixing frame 39, the screw rod 28 is in threaded connection with the top inner wall of the fixing frame 39, one side of the supporting plate 27 extends to the outer side of the fixing frame 39 and is connected with a telescopic assembly, a driving shaft 24 is rotatably connected at one side of the top of the supporting frame 6, a conical rubber roller 32 is fixedly sleeved on the driving shaft 24, one end of the telescopic assembly is provided with a conical rubber wheel 31, the conical rubber wheel 31 is in friction transmission with the conical rubber roller 32, a driving motor 33 is fixedly installed at the top of the supporting plate 27, an output shaft of the driving motor 33 penetrates through the supporting plate 27 and extends to the lower side of the supporting plate 27, a transmission bevel gear 34 is fixedly installed on the output shaft of the driving motor 33, the telescopic component is connected with a driven bevel gear 35, the driving bevel gear 34 is meshed with the driven bevel gear 35, the top end of the driving shaft 24 is connected with a connecting mechanism, the height of the supporting plate 27 is adjusted through the rotating screw rod 28, so that the height of the conical rubber wheel 31 can be adjusted through the telescopic component, the conical rubber wheel 31 and different positions of the conical rubber roller 32 are in contact transmission, and after the position adjustment of the conical rubber wheel 31 is finished, the rotating speed of the conical rubber roller 32 can be adjusted when the conical rubber roller 32 carries out friction transmission, so that when the driving motor 33 is started to drive the driving bevel gear 34 to rotate, the telescopic component is driven to move under the meshing transmission action of the driven bevel gear 35, namely under the transmission action of the conical rubber wheel 31 and the conical rubber roller 32, the driving shaft 24 rotates so as to drive the connecting mechanism to operate, thereby can provide power for the screw rod 12, so that the screw rod 12 rotates, in fig. 3, fig. 6 and fig. 7, the telescopic assembly comprises a connecting cover 29 rotationally connected to one side of the supporting plate 27, two limiting rods 37 are symmetrically and fixedly arranged on one side inner wall of the connecting cover 29, the same sliding plate 36 is sleeved on the two limiting rods 37 in a sliding manner, a compression spring 38 is sleeved on the limiting rods 37, two ends of the compression spring 38 are fixedly connected with one side inner wall of the connecting cover 29 and one side of the sliding plate 36 respectively, a transmission rod 30 is fixedly arranged on one side of the sliding plate 36, one end of the transmission rod 30 extends to the outer side of the connecting cover 29 and is fixedly connected with one side of the conical rubber wheel 31, a driven bevel gear 35 is fixedly sleeved on the connecting cover 29, the conical rubber wheel 31 is elastically supported by the two compression springs 38, so that the conical rubber wheel 31 and the conical rubber roller 32 are prevented from slipping during transmission, and the transmission rod 30 can be driven under the action of the transmission rod when the connecting cover 29 rotates along with the driven bevel gear 35, and the stable power can be output.
Referring to fig. 3, the connection mechanism includes a driving gear 25 fixedly installed at the top end of a driving shaft 24, a transmission toothed ring 26 is rotatably sleeved on the feed box 7, the driving gear 25 is meshed with the transmission toothed ring 26, a rotating shaft 22 is rotatably connected to the top of the support frame 6, a gear post 23 is fixedly installed at the top end of the rotating shaft 22, the gear post 23 is meshed with the transmission toothed ring 26, a driven toothed ring 21 is fixedly installed at the top end of the screw 12, the gear post 23 is meshed with the driven toothed ring 21, when the conical rubber roller 32 rotates, the driving gear 25 can be driven to rotate, so that the transmission toothed ring 26 can be driven to rotate under the meshing transmission action with the gear post 23, when the gear post 23 rotates, the screw 12 can be driven to rotate under the meshing transmission action with the driven toothed ring 21, and the driven toothed ring 21 cannot be separated from the gear post 23 when moving downwards along with the screw 12, so that stable rotation can be maintained, and stable driving force can be provided for the screw 12.
The present invention is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present invention, and the changes or substitutions are intended to be covered by the scope of the present invention; embodiments of the invention and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (5)
1. The utility model provides an adopt plastics structure former of accurate injection, including base (1), the top sliding connection of base (1) has layer board (2), and the top card of layer board (2) is equipped with the mould, and the mould includes lower mould (3) and last mould (4), and lower mould (3) card dress is at the top of layer board (2), goes up mould (4) and lower mould (3) looks clamping, installs on last mould (4) annotates material mouth (5), its characterized in that, this former still includes:
the feeding device comprises a supporting frame (6), wherein a feed box (7) is fixedly arranged at the top of the supporting frame (6), a feeding mechanism is arranged on the inner wall of the bottom of the feed box (7), and the bottom of the feeding mechanism extends into the supporting frame (6);
The pushing mechanism is arranged in the feed box (7), the top of the pushing mechanism extends to the upper part of the feed box (7) and is used for pushing materials in the feed box (7) into the material injection mechanism, and the bottom of the pushing mechanism extends into the support frame (6) and is respectively connected with the inner wall of one side of the support frame (6) and the material injection mechanism;
the power mechanism is arranged at one side of the top of the supporting frame (6) and provides power to enable the whole equipment to operate;
The connecting mechanism is respectively connected with the power mechanism, the feed box (7) and the pushing mechanism and can transmit the power of the power mechanism to the pushing mechanism;
The feeding mechanism comprises a blanking pipe (15) fixedly arranged on the inner wall of the bottom of the feed box (7), the bottom end of the blanking pipe (15) extends into the supporting frame (6), the bottom end of the blanking pipe (15) is of a closed structure, a flow hole (151) is formed in the inner wall of one side bottom of the blanking pipe (15), a movable pipe (16) is connected to the blanking pipe (15) in a sliding manner, the movable pipe (16) is connected with the pushing mechanism, and a spray head assembly is connected to the movable pipe (16) and used for injecting materials into the feeding port (5);
the spray head assembly comprises a conveying pipe (17) fixedly arranged on the inner wall of the top of one side of the moving pipe (16), a connecting box (18) is fixedly arranged at the bottom end of the moving pipe (16), the bottom end of the conveying pipe (17) extends into the connecting box (18) and is fixedly connected with the inner wall of one side of the connecting box (18), when the conveying pipe (17) corresponds to the flow hole (151), materials can be conveyed into the connecting box (18), a spray head (19) is fixedly arranged on the inner wall of the bottom of the connecting box (18), and the bottom end of the spray head (19) extends to the lower part of the connecting box (18);
The pushing mechanism comprises a nut (11) fixedly arranged at one side of the top of the supporting frame (6), a screw rod (12) is connected with the inner thread of the nut (11), the top end of the screw rod (12) extends to the upper side of the nut (11) and is connected with the power mechanism, a piston assembly is connected to the screw rod (12), the bottom of the piston assembly extends into the feed box (7) and is connected with the inner wall of the feed box (7), the bottom end of the screw rod (12) extends into the supporting frame (6) and is connected with a pulling assembly, and the pulling assembly is respectively connected with the inner wall of one side of the supporting frame (6) and the other side of the movable pipe (16);
The piston assembly comprises a push plate (8) which is connected in the feed box (7) in a sealing sliding manner, a push rod (9) is fixedly arranged at the center of the top of the push plate (8), the top end of the push rod (9) penetrates through the inner wall of the top of the feed box (7) and extends to the upper part of the feed box (7), a connecting plate (10) is fixedly arranged at the top end of the push rod (9), a screw rod (12) penetrates through the connecting plate (10), and a supporting ring (13) which is positioned between the connecting plate (10) and a nut (11) is fixedly sleeved on the screw rod (12) and used for pushing the connecting plate (10) to move upwards;
The pulling assembly comprises a moving plate (14) sleeved on the screw rod (12), one side of the moving plate (14) is fixedly connected with the top of the other side of the moving pipe (16), the other side of the moving plate (14) is slidably connected with the inner wall of the top of one side of the supporting frame (6), the bottom of the moving plate (14) is rotationally connected with a connecting ring, the screw rod (12) penetrates through the connecting ring, an extension spring (20) positioned below the connecting ring is sleeved on the screw rod (12), and the top end and the bottom end of the extension spring (20) are fixedly connected with the bottom of the connecting ring and the bottom end of the screw rod (12) respectively.
2. The molding equipment for plastic structural members by precision injection according to claim 1, wherein the power mechanism comprises a fixed frame (39) fixedly installed at one side of the top of the supporting frame (6), a supporting plate (27) is connected in a sliding manner on the fixed frame (39), a screw rod (28) is rotated at the top of the supporting plate (27), the top end of the screw rod (28) penetrates through the inner wall of the top of the fixed frame (39) and extends to the upper part of the fixed frame (39), the screw rod (28) is in threaded connection with the inner wall of the top of the fixed frame (39), one side of the supporting plate (27) extends to the outer side of the fixed frame (39) and is connected with a telescopic assembly, one side of the top of the supporting frame (6) is rotatably connected with a driving shaft (24), a conical rubber roller (32) is fixedly sleeved on the driving shaft (24), one end of the telescopic assembly is provided with a conical rubber wheel (31), the conical rubber wheel (31) is in friction transmission with the conical rubber roller (32), a driving motor (33) is fixedly installed at the top of the supporting plate (27), an output shaft of the driving motor (33) penetrates through the supporting plate (27) and extends to the lower part of the supporting plate (27), a bevel gear (34) is fixedly installed on the output shaft of the driving motor (33), a driving bevel gear (34) is connected with a driven gear (35), and the bevel gear (35) is meshed with the driven gear (35), the top end of the driving shaft (24) is connected with the connecting mechanism.
3. The plastic structural member forming equipment adopting precise injection according to claim 2, wherein the telescopic assembly comprises a connecting cover (29) rotationally connected to one side of a supporting plate (27), two limiting rods (37) are symmetrically and fixedly arranged on one side inner wall of the connecting cover (29), the same sliding plate (36) is sleeved on the two limiting rods (37) in a sliding mode, a compression spring (38) is sleeved on the limiting rods (37), two ends of the compression spring (38) are fixedly connected with one side inner wall of the connecting cover (29) and one side of the sliding plate (36) respectively, a transmission rod (30) is fixedly arranged on one side of the sliding plate (36), one end of the transmission rod (30) extends to the outer side of the connecting cover (29) and is fixedly connected with one side of a conical rubber wheel (31), and a driven bevel gear (35) is fixedly sleeved on the connecting cover (29).
4. A plastic structure forming device adopting precise injection according to claim 3, wherein the connecting mechanism comprises a driving gear (25) fixedly installed at the top end of a driving shaft (24), a transmission toothed ring (26) is rotatably sleeved on the feed box (7), the driving gear (25) is meshed with the transmission toothed ring (26), a rotating shaft (22) is rotatably connected to the top of the supporting frame (6), a gear column (23) is fixedly installed at the top end of the rotating shaft (22), the gear column (23) is meshed with the transmission toothed ring (26), a driven toothed ring (21) is fixedly installed at the top end of the screw (12), and the gear column (23) is meshed with the driven toothed ring (21).
5. The method of using a precision injection molding apparatus for plastic structural members as claimed in claim 4, comprising the steps of:
S1, clamping a die to be used on a supporting plate (2), and then pushing the die into a supporting frame (6) and keeping a material injection port (5) and a spray head (19) at the same straight line position;
S2, rotating the screw rod (28) according to the solidification time of the material to adjust the height of the conical rubber wheel (31), so that the conical rubber wheel (31) and a designated area of the conical rubber roller (32) are in friction transmission, the rotating speed of the screw rod (12) can be controlled, and the flow rate of material injection can be controlled when the material is injected into the die;
S3, a driving motor (33) drives the telescopic assembly to operate, then friction transmission of a conical rubber wheel (31) and a conical rubber roller (32) can drive a connecting mechanism to operate, when the connecting mechanism operates, a rotating force can be provided for a screw (12) to enable the screw (12) to rotate, so that the pulling assembly can be driven to move downwards under the action of screw thread transmission of a nut (11), and a moving pipe (16) can be driven to move downwards to enable a spray head (19) to be in butt joint with a material injection port (5), and a conveying pipe (17) to be in butt joint with a flow hole (151);
S4, after the driven toothed ring (21) moves downwards to be in contact with the connecting plate (10), the push rod (9) can be driven to move downwards, the push plate (8) can be driven to move downwards, thrust is formed on materials, the materials can enter the blanking pipe (15), and then the materials can be injected into the die through the conveying pipe (17) and the spray head (19), so that the purpose of injecting the materials into the die can be achieved.
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| CN202311596027.7A CN117464917B (en) | 2023-11-28 | 2023-11-28 | Plastic structural member forming equipment and method adopting precise injection |
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| CN115042319A (en) * | 2022-06-04 | 2022-09-13 | 王巍彤 | Concrete processing and stirring equipment and method thereof |
| CN218196768U (en) * | 2022-08-25 | 2023-01-03 | 佛山市聚能模具有限公司 | Injection mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3039519U (en) * | 1996-10-23 | 1997-07-22 | 鉅鋼机械股▲分▼有限公司 | Integrated material injection system for plastic material injection molding machine |
| CN211307155U (en) * | 2019-08-29 | 2020-08-21 | 台州市路桥区腾晟塑模有限公司 | Injection molding machine with double injection molding openings |
| CN112297371A (en) * | 2020-09-25 | 2021-02-02 | 王弯 | Injection molding machine |
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