CN114932653A

CN114932653A - Mold for producing injection molding parts and production process thereof

Info

Publication number: CN114932653A
Application number: CN202210542279.0A
Authority: CN
Inventors: 韩军玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-08-23

Abstract

The invention relates to the technical field of injection molding piece mold processing equipment, in particular to a mold for injection molding piece production and a production process, which comprise a feeding mechanism, an extruding machine, a bearing underframe, a gantry cover, a mold closing mechanism, a stirring mechanism, a workbench, a lifting mechanism and a demolding mechanism, wherein the gantry cover is arranged at the top of the bearing underframe, the feeding mechanism is arranged at the top of the gantry cover and is butted with the stirring mechanism, a screw rod sliding table is arranged at the inner top of the bearing underframe, the extruding machine is arranged at the moving end of the screw rod sliding table, the mold closing mechanism is arranged on the workbench, a water tank is arranged inside the workbench, and a water outlet and a water inlet communicated with the water tank are arranged on the outer side wall of the water tank. The subsequent stirring and mixing of the raw material particles are facilitated, and the overall production efficiency is improved.

Description

Mold for producing injection molding part and production process thereof

Technical Field

The invention relates to the technical field of injection molding piece mold processing equipment, in particular to a mold for producing injection molding pieces and a production process thereof.

Background

The injection molding part refers to various injection molding products produced by an injection molding machine, and is generally called as injection molding parts, including various packages, parts and the like. Is mainly prepared from polyethylene or polypropylene and various organic solvents.

At present, injection molding parts are manufactured by an injection molding machine, namely, plastic molding, also called injection molding, which is a molding method combining injection molding and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple designs and varieties, simple and complex shapes, small and precise product size, easy replacement of products, capability of forming workpieces with complex shapes, and suitability for the fields of mass production, products with complex shapes and the like. Stirring the completely molten plastic material by a screw at a certain temperature, injecting the plastic material into a mold cavity by high pressure, and cooling and solidifying to obtain a molded product.

The injection molding machine disclosed in patent No. 201822099345.3 comprises an injection molding machine main body, a supporting pipe and an air cylinder, the lower end of the injection molding machine main body is provided with a support frame, the support tube is arranged at the lower end of the support frame, one end of the supporting tube close to the supporting frame is fixedly connected with the supporting frame, a plurality of supporting tubes are arranged, the supporting tube supports the injection molding machine main body by supporting the supporting frame, a wire guide hole is arranged on the side wall of the supporting tube, the air cylinder is arranged in the inner cavity of the supporting pipe and is communicated with the outside through the wire guide hole, one end of a piston rod in the cylinder, which is close to the extending direction, is hinged with the supporting frame, the extending length of the piston rod in the cylinder is longer than that of the supporting tube, although the above patent can realize a certain injection molding, the following disadvantages exist in the actual use process: firstly, when different types of injection molding raw material particles are mixed for use, the injection molding raw material particles cannot be automatically controlled, stirred and discharged during discharging, and the overall production efficiency is influenced; secondly, the integrated operation of feeding, die assembly, cooling and die sinking of injection molding can not be realized, and application scope is little, does not conform to the demand of modern enterprise production, and the suitability is lower.

Disclosure of Invention

The invention aims to provide a mold for producing injection molding parts and a production process thereof, and aims to solve the problems that when different types of injection molding raw material particles are mixed for use and cannot be automatically controlled, stirred and discharged during discharging, the overall production efficiency is influenced, the integrated operation of feeding, mold closing, cooling and mold opening of the injection molding parts cannot be realized, the application range is small, the requirements of modern enterprise production are not met, and the applicability is low.

The utility model provides a mould is used in injection molding production, includes feed mechanism, extruding machine, bears chassis, gantry cover, locking mechanism, rabbling mechanism, workstation, elevating system and demoulding mechanism, the gantry cover sets up the top of bearing the chassis, feed mechanism sets up at the top of gantry cover and docks mutually with rabbling mechanism, bear the interior top of chassis and install the lead screw slip table, the extruding machine sets up on the removal end of lead screw slip table, locking mechanism sets up on the workstation, the inside of workstation is equipped with the water tank, elevating system sets up and is connected with locking mechanism in the both sides of water tank and elevating system, demoulding mechanism installs in the water tank and is located locking mechanism's bottom, be equipped with delivery port and the water inlet rather than being linked together on the lateral wall of water tank, rabbling mechanism installs on the extruding machine.

Further, feeding mechanism is including holding the feed cylinder, leading to material pipe and a plurality of baffle, it can be for the inner panel of epicoele and cavity of resorption to hold the interior spatial separation of feed cylinder to be equipped with its, go up the intracavity and divide into a plurality of impartial deposit material chamber, every with it all to be equipped with the blanking hole that is linked together with the cavity of resorption, every all be equipped with the closure disc in the blanking hole and be used for supporting the lug of closure disc, the interior bottom in every deposit material chamber all is equipped with the shroud that supplies the closure disc to remove, the lateral wall of shroud is equipped with a plurality of row's silo that are linked together with the blanking hole, the center department of inner panel is equipped with the supporting shaft cover, install control assembly on the supporting shaft cover, lead to material pipe and cavity of resorption and lead to material pipe's bottom and rabbling mechanism and dock mutually.

Further, the control assembly comprises a rotating motor, a rotating shaft, a mounting plate, a driving cylinder and a top plate, the rotating motor is fixed at the top of the supporting shaft sleeve, the rotating shaft is rotatably installed in the supporting shaft sleeve, the bottom end of the rotating shaft penetrates through the inner plate and is connected with the mounting plate, and the driving cylinder is fixed on the mounting plate and is connected with the output end of the driving cylinder and the top plate.

Further, locking mechanism includes roof, movable mould subassembly, cover half subassembly and four guide bars, the roof is located the workstation directly over, four the guide bar is the rectangle and distributes to the top of every guide bar is connected with the roof, and the bottom of every guide bar is passed the workstation and is connected with the interior diapire of water tank, the movable mould unit mount just slides on the roof and with four guide bars, the cover half subassembly sets up on the workstation and is connected with elevating system.

Further, the movable mould subassembly includes lift cylinder, connecting plate and movable mould, the lift cylinder is fixed and is connected with the connecting plate at the top of roof and the output of lift cylinder, the connecting plate slides and sets up on four guide bars, the bottom at the connecting plate is installed to the movable mould, the cover half subassembly includes base plate, fixed mould and two L type linking arms, the base plate is located the workstation top, the fixed mould is installed at the top of base plate, form the die cavity between movable mould and the fixed mould, two L type linking arm is the symmetry and installs respectively in the both sides of base plate, and two the top of L type linking arm is connected with elevating system.

Further, elevating system includes servo motor, bearing board, transmission shaft, two drive gear and two driven subassemblies, the bearing board is installed on the lateral wall of water tank, servo motor installs on the bearing board and servo motor's output is connected with the one end of transmission shaft, two drive gear is connected with the both ends of transmission shaft respectively to two drive gear are connected with two driven subassembly transmissions, two driven subassembly symmetry sets up by the both sides of water tank, every driven subassembly all includes even carrier block, drive shaft and support outer axle sleeve, even the carrier block is connected with the top of L type linking arm, it sets up by one side of water tank to support outer axle sleeve, the drive shaft slides and sets up in supporting outer axle sleeve and is connected with drive gear transmission.

Further, demoulding mechanism includes bottom plate, step motor, driven shaft, master gear, pinion, two synchronizing wheels, two rotating assembly and two thimble assemblies, two thimble assemblies set up the bottom of base plate, the bottom plate is connected with two thimble assemblies's bottom, two the rotating assembly symmetry sets up in the water tank, step motor installs on the lateral wall of water tank and step motor's output is connected with a rotating assembly's one end, the driven shaft rotates and installs on the lateral wall of water tank, the pinion is fixed on the driven shaft, the master gear is connected with a rotating assembly and master gear meshes with the pinion mutually, two the synchronizing wheel is connected with a rotating assembly and driven shaft respectively to the outside cover of two synchronizing wheels is equipped with the hold-in range.

Further, every the runner assembly all includes universal driving shaft and rotatory oblique piece that pushes up, the universal driving shaft rotates and sets up in the water tank, rotatory oblique piece that pushes up is fixed on the universal driving shaft, one the both ends of universal driving shaft are connected with step motor's output and master gear respectively, another the both ends of universal driving shaft are connected with the inside wall of a synchronizing wheel and water tank respectively, every the thimble assembly all includes ejector shaft and reset spring, base plate and fixed mould are passed in proper order to the top of ejector shaft, the bottom of ejector shaft is connected with the bottom plate, reset spring overlaps and establishes on the ejector shaft and is located between bottom plate and the base plate.

Further, be provided with filter plate in the cavity of resorption, the lateral wall that holds the feed cylinder just is located and is equipped with the door between filter plate and the inner panel, two all be equipped with the plug bush on the L type linking arm, be equipped with on the connecting plate with two plug bushes grafting complex inserted column.

The production process of the mold for producing the injection molding piece comprises the following steps,

s1, driving a rotating shaft and a mounting plate which are connected with the output end of the rotating shaft through a rotating motor and driving an air cylinder to rotate, enabling a top disc on the driving air cylinder to be in butt joint with a blocking disc, driving the top disc to move upwards in a blanking hole and enabling the blocking disc to move upwards synchronously through the driving air cylinder, immediately opening a discharging groove on a cover cap, enabling injection molding raw material particles in a material storage cavity to enter a stirring mechanism from the discharging groove, the blanking hole and a material passing pipe, and completing automatic blanking of all raw materials.

And S2, automatically stirring the injection molding raw material particles through the stirring mechanism, feeding the injection molding raw material particles into the extruder after stirring, completing fusion and plasticization under the work of the extruder, driving the extruder to move towards the mold closing mechanism by the screw rod sliding table, pressing and injecting the fused and plasticized injection molding raw materials into a cavity of the mold closing mechanism, and completing mold closing operation under the work of the mold closing mechanism.

And S3, driving a transmission shaft connected with the output end of the transmission shaft to rotate through a servo motor, driving two transmission gears on the transmission shaft to be synchronous, enabling two driven assemblies driven by the two transmission gears to work, immediately moving the fixed mold assembly downwards, simultaneously moving the movable mold assembly downwards synchronously, keeping the fixed mold assembly and the movable mold assembly in a mold closing state, and entering a water tank to realize the rapid cooling molding operation of the injection molding piece.

S4, after cooling and molding of the injection molding piece are completed, the lifting mechanism works to drive the fixed mold component to move upwards to the top of the workbench, the movable mold component moves upwards in the vertical direction of the four guide rods, and mold opening operation of the movable mold component and the fixed mold component is completed.

And S5, driving a rotating assembly connected with the output end of the rotating assembly to work through a stepping motor, enabling the two rotating assemblies to synchronously rotate under the action of two synchronizing wheels and a synchronous belt, wherein the two rotating assemblies reversely rotate under the transmission of a main gear and a pinion gear to jack the bottom plate, and enabling the jacking shaft to move upwards in the fixed die assembly to jack the injection molding piece in the cavity, thereby completing the automatic demoulding operation.

The invention provides a mold for producing injection molding parts and a production process thereof through improvement, and compared with the prior art, the mold has the following improvements and advantages:

one is as follows: the injection molding machine is convenient for classifying and placing the raw materials of injection molding parts by dividing the upper cavity into a plurality of equal material storage cavities, wherein the rotating motor is used for driving the rotating shaft, the mounting plate and the driving cylinder which are connected with the output end of the rotating shaft to rotate, so that the top disc on the driving cylinder is in butt joint with one blocking disc, then the driving cylinder is used for driving the top disc to move upwards in the material discharging hole and enabling the blocking disc to move upwards synchronously, and then the material discharging groove on the cover cap is opened, so that injection molding raw material particles in the material storage cavities enter the stirring mechanism from the material discharging groove, the material discharging hole and the material feeding pipe, the automatic blanking of the raw materials is completed, the automatic blanking operation of the raw materials of different injection molding parts is met, the subsequent stirring and mixing of the raw material particles are convenient, and the overall production efficiency is improved.

The second step is as follows: the invention automatically stirs each injection molding raw material particle through a stirring mechanism, the particles enter an extruder after being stirred, fusion and plasticization are completed under the work of the extruder, a screw rod sliding table drives the extruder to move towards a die assembly mechanism, the fused and plasticized injection molding raw materials are pressurized and injected into a cavity of the die assembly mechanism, the die assembly operation is completed under the work of the die assembly mechanism, a fixed die assembly is driven to move downwards through a lifting mechanism, meanwhile, a movable die assembly synchronously moves downwards, the movable die assembly and the movable die assembly keep a die assembly state and enter a water tank, the rapid cooling and molding operation of the injection molding piece is realized, after the cooling and molding of the injection molding piece are completed, the lifting mechanism works to drive the fixed die assembly to move upwards to the top of a workbench, the movable die assembly moves upwards in the vertical direction of four guide rods, the die opening operation of the movable die assembly and the fixed die assembly is completed, the injection molding piece in the cavity is jacked through the work of a demolding mechanism, the automatic demolding operation is completed, the integrated operation of feeding, mold closing, cooling and mold opening of the injection molding part is realized, the whole application range of the equipment is wide, and the applicability is strong.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a partial perspective view of the first embodiment of the present invention;

FIG. 5 is a top view of the invention of FIG. 4;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5 in accordance with the present invention;

FIG. 7 is an enlarged view of the invention at B in FIG. 6;

FIG. 8 is a partial perspective view of the second embodiment of the present invention;

FIG. 9 is a side view of the invention of FIG. 7;

FIG. 10 is a first cross-sectional view of FIG. 7 in accordance with the present invention;

FIG. 11 is a second cross-sectional view of FIG. 7 in accordance with the present invention;

fig. 12 is a schematic partial perspective view of the present invention.

Description of reference numerals: a feeding mechanism 1, a material receiving barrel 11, an upper cavity 111, a lower cavity 112, a material passing pipe 12, a partition plate 13, an inner plate 14, a blanking hole 15, a blocking disc 16, a bump 17, a cover 18, a supporting shaft sleeve 19, a control assembly 20, a rotating motor 201, a rotating shaft 202, a mounting plate 203, a driving cylinder 204, a top disc 205, an extruding machine 2, a bearing underframe 3, a gantry cover 4, a mold clamping mechanism 5, a top plate 51, a movable mold assembly 52, a lifting cylinder 521, a connecting plate 522, a movable mold 523, a fixed mold assembly 53, a base plate 531, a fixed mold 532, an L-shaped connecting arm 533, a guide rod 54, a stirring mechanism 6, a workbench 7, a lifting mechanism 8, a servo motor 81, a supporting plate 82, a transmission shaft 83, a transmission gear 84, a driven assembly 85, a loading block 851, a driving shaft 852, a supporting outer shaft sleeve 853, a demoulding mechanism 9, a bottom plate 91, a stepping motor 92, a driven shaft 93, a main gear 94, a secondary gear 95, a synchronizing wheel 96, the device comprises a rotating assembly 97, a linkage shaft 971, a rotary ejector inclined block 972, an ejector pin assembly 98, an ejector shaft 981, a return spring 982, a screw rod sliding table 10, a water tank 21, a water outlet 22, a water inlet 23, a filter screen plate 24, a bin gate 25, an inserting sleeve 26 and an inserting column 27.

Detailed Description

The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

A mold for producing injection molding parts comprises a feeding mechanism 1, an extruding machine 2, a bearing chassis 3, a gantry cover 4, a mold closing mechanism 5, a stirring mechanism 6, a workbench 7, a lifting mechanism 8 and a demolding mechanism 9, wherein the gantry cover 4 is arranged at the top of the bearing chassis 3, the feeding mechanism 1 is arranged at the top of the gantry cover 4 and is butted with the stirring mechanism 6, a screw rod sliding table 10 is installed at the inner top of the bearing chassis 3, the extruding machine 2 is arranged at the moving end of the screw rod sliding table 10, the mold closing mechanism 5 is arranged on the workbench 7, a water tank 21 is arranged inside the workbench 7, the lifting mechanism 8 is arranged at two sides of the water tank 21, the lifting mechanism 8 is connected with the mold closing mechanism 5, the demolding mechanism 9 is installed in the water tank 21 and is located at the bottom of the mold closing mechanism 5, a water outlet 22 and a water inlet 23 which are communicated with the water tank 21 are arranged on the outer side wall of the water tank 21, the stirring mechanism 6 is mounted on the extruder 2.

Specifically, feeding mechanism 1 includes holding the feed cylinder 11, leads to material pipe 12 and a plurality of baffle 13, it can be for epicoele 111 and cavity of resorption 112 inner panel 14 to hold being equipped with in the feed cylinder 11, divide into a plurality of impartial deposit chamber through a plurality of baffles 13 in epicoele 111, every deposit chamber all is equipped with blanking hole 15 that is linked together with cavity of resorption 112, every blanking hole 15 is interior all to be equipped with closure disc 16 and the lug 17 that is used for supporting closure disc 16, and the interior bottom in every deposit chamber all is equipped with the shroud 18 that supplies closure disc 16 to remove, the lateral wall of shroud 18 is equipped with a plurality of blow-off grooves that are linked together with blanking hole 15, the center department of inner panel 14 is equipped with supporting shaft sleeve 19, the last control assembly 20 that installs of supporting shaft sleeve 19, it is linked together with cavity of resorption pipe 12, and leads to material pipe 12's bottom and rabbling mechanism 6 butt joint, separates into a plurality of impartial deposit chamber through the epicoele 111, the categorised placing of each raw materials of injection molding of being convenient for, and can satisfy the production of different injection moldings, wherein, utilize control assembly 20 to make stifled dish 16 shift up in shroud 18, open the row's silo on the shroud 18 immediately, realize that the raw materials granule of moulding plastics that is located the stock intracavity gets into rabbling mechanism 6 from row's silo, blanking hole 15 and leading to material pipe 12, accomplish the automatic blanking of each raw materials, satisfy the automatic blanking operation of each raw materials of different injection moldings, the stirring of each follow-up raw materials granule of being convenient for is mixed, whole production efficiency has been improved.

Specifically, the control assembly 20 includes a rotating motor 201, a rotating shaft 202, a mounting plate 203, a driving cylinder 204 and a top plate 205, the rotating motor 201 is fixed on the top of the supporting shaft sleeve 19, the rotating shaft 202 is rotatably mounted in the supporting shaft sleeve 19, the bottom end of the rotating shaft 202 penetrates through the inner plate 14 and is connected with the mounting plate 203, the driving cylinder 204 is fixed on the mounting plate 203, the output end of the driving cylinder 204 is connected with the top plate 205, the rotating shaft 202, the mounting plate 203 and the driving cylinder 204 connected with the output end are driven by the rotating motor 201 to rotate, the top plate 205 on the driving cylinder 204 is connected with one of the blocking plates 16, then the driving cylinder 204 is used to drive the top plate 205 to move up the blanking hole 15 and move the blocking plate 16 up synchronously, and then the discharge groove on the cover 18 is opened, so that the injection molding material particles in the storage cavity enter the stirring mechanism 6 from the discharge groove, the blanking hole 15 and the material passing pipe 12, and finishing the automatic blanking of all the raw materials.

Specifically, the mold clamping mechanism 5 comprises a top plate 51, a movable mold component 52, a fixed mold component 53 and four guide rods 54, the top plate 51 is located right above the workbench 7, the four guide rods 54 are distributed in a rectangular shape, the top end of each guide rod 54 is connected with the top plate 51, the bottom end of each guide rod 54 penetrates through the workbench 7 and is connected with the inner bottom wall of the water tank 21, the movable mold component 52 is mounted on the top plate 51 and slides with the four guide rods 54, the fixed mold component 53 is arranged on the workbench 7 and is connected with the lifting mechanism 8, when the automatic feeding of each raw material particle of the injection molding part is completed, the raw material particles enter the stirring mechanism 6, under the operation of the stirring mechanism 6, the mixed raw material particles enter the extruder 2, the melt plasticizing is completed under the operation of the extruder 2, the screw rod 10 drives the extruder 2 to move towards the mold clamping mechanism 5, and the melted and plasticized injection molding raw materials are pressurized and injected into a cavity of the mold clamping mechanism 5, and the movable mold component 52 moves up and down on the four guide rods 54 to be in butt joint with the fixed mold component 53, so that the automatic mold clamping operation is completed.

Specifically, the movable mold assembly 52 includes a lifting cylinder 521, a connecting plate 522 and a movable mold 523, the lifting cylinder 521 is fixed on the top of the top plate 51, the output end of the lifting cylinder 521 is connected with the connecting plate 522, the connecting plate 522 is slidably disposed on the four guide rods 54, the movable mold is mounted at the bottom of the connecting plate 522, the fixed mold assembly 53 includes a base plate 531, a fixed mold 532 and two L-shaped connecting arms 533, the base plate 531 is located on the top of the worktable 7, the fixed mold 532 is mounted on the top of the base plate 531, a cavity is formed between the movable mold 523 and the fixed mold 532, the two L-shaped connecting arms 533 are symmetrically and respectively mounted on two sides of the base plate 531, the top ends of the two L-shaped connecting arms 533 are connected with the lifting mechanism 8, the connecting plate 522 connected with the output end thereof and the movable mold 523 are driven by the lifting cylinder 521 to move downwards, and the movable mold 523 is in butt joint with the fixed mold 532, upon completion of the mold closing operation, the four guide bars 54 guide the moving stroke of the movable mold 523.

Specifically, the lifting mechanism 8 comprises a servo motor 81, a bearing plate 82, a transmission shaft 83, two transmission gears 84 and two driven assemblies 85, the bearing plate 82 is installed on the outer side wall of the water tank 21, the servo motor 81 is installed on the bearing plate 82, the output end of the servo motor 81 is connected with one end of the transmission shaft 83, the two transmission gears 84 are respectively connected with two ends of the transmission shaft 83, the two transmission gears 84 are in transmission connection with the two driven assemblies 85, the two driven assemblies 85 are symmetrically arranged beside two sides of the water tank 21, each driven assembly 85 comprises a loading block 851, a driving shaft 852 and a supporting outer shaft sleeve 853, the loading block 851 is connected with the top end of the L-shaped connecting arm 533, the supporting outer shaft sleeve 853 is arranged beside one side of the water tank 21, the driving shaft 852 is arranged in the supporting outer shaft sleeve 853 in a sliding manner and is in transmission connection with the transmission gears 84, the servo motor 81 drives the transmission shaft 83 connected with the output end of the transmission shaft 83 to rotate, two transmission gears 84 on the transmission shaft 83 are driven to be synchronous, two driving shafts 852 driven by the two transmission gears 84 move downwards, the connecting block 851 connected with the driving shafts 852, the L-shaped connecting arm 533 and the fixed die 532 move downwards synchronously, meanwhile, the lifting cylinder 521 drives the connecting plate 522 and the movable die 523 to move downwards synchronously, the connecting plate 522 and the movable die 523 move downwards in a matched die state, and the two parts enter the water tank 21, so that the rapid cooling and forming operation of the injection molding piece is realized.

Specifically, the demolding mechanism 9 includes a bottom plate 91, a stepping motor 92, a driven shaft 93, a main gear 94, a secondary gear 95, two synchronizing wheels 96, two rotating assemblies 97 and two ejector pin assemblies 98, wherein the two ejector pin assemblies 98 are arranged at the bottom of a substrate 531, the bottom plate 91 is connected with the bottom ends of the two ejector pin assemblies 98, the two rotating assemblies 97 are symmetrically arranged in a water tank 21, the stepping motor 92 is installed on the outer side wall of the water tank 21, the output end of the stepping motor 92 is connected with one end of one rotating assembly 97, the driven shaft 93 is rotatably installed on the outer side wall of the water tank 21, the secondary gear 95 is fixed on the driven shaft 93, the main gear 94 is connected with one rotating assembly 97, the main gear 94 is meshed with the secondary gear 95, the two synchronizing wheels 96 are respectively connected with one rotating assembly 97 and the driven shaft 93, and a synchronous belt is sleeved outside the two synchronizing wheels 96, a rotating assembly 97 connected with the output end of the stepping motor 92 is driven to work, the two rotating assemblies 97 synchronously rotate under the action of two synchronizing wheels 96 and a synchronizing belt, wherein the two rotating assemblies 97 reversely rotate under the transmission of a main gear 94 and a pinion 95 to jack the bottom plate 91, so that the jacking shaft 981 moves upwards in the fixed die assembly 53 to jack the injection molding piece in the cavity, and the automatic demolding operation is completed.

Specifically, each rotating assembly 97 includes a linkage shaft 971 and a rotating inclined block 972, two rotating inclined blocks 972 avoid the movement of the fixed mold 532 in the vertical direction, so that the fixed mold 532 smoothly enters the water tank 21, the linkage shaft 971 is rotatably disposed in the water tank 21, the rotating inclined blocks 972 are fixed on the linkage shaft 971, two ends of one linkage shaft 971 are respectively connected with the output end of the stepping motor 92 and the main gear 94, two ends of the other linkage shaft 971 are respectively connected with the inner side wall of one synchronizing wheel 96 and the water tank 21, each ejector pin assembly 98 includes an ejector shaft 981 and a return spring 982, the top end of the ejector shaft 981 sequentially passes through the base plate 531 and the fixed mold 532, the bottom end of the ejector shaft 981 is connected with the base plate 91, the return spring 982 is sleeved on the ejector shaft 981 and is located between the base plate 91 and the base plate 531, and the linkage shaft 971 is driven to rotate by the stepping motor 92, the synchronous pulley 96 and the rotary ejection slant block 972 on the universal driving shaft 971 are driven to rotate, under the action of a synchronous belt, the synchronous pulley 96 and the other synchronous pulley 96 synchronously rotate, under the mutual transmission of the main gear 94 and the pinion 95, the two universal driving shafts 971 synchronously and reversely rotate, the two rotary ejection slant blocks 972 synchronously eject the bottom plate 91, the ejection shaft 981 moves up in the fixed die 532 to eject an injection molding part in a cavity, so that the automatic demolding operation is completed, and under the self elasticity of the return spring 982, the ejection shaft 981 can be automatically reset so as to carry out the next mold closing molding.

Example two

The utility model provides a mould is used in injection molding production, is basically the same with embodiment 1, be provided with filter plate 24 in the lower chamber 112, can filter the raw materials granule that gets into among the rabbling mechanism 6, improved stirring efficiency and quality between each raw materials, the lateral wall of holding feed cylinder 11 just is located and is equipped with door 25 between filter plate 24 and the inner panel 14, is convenient for regularly clear up the raw materials granule that lies in filter plate 24, two all be equipped with plug bush 26 on the L type linking arm 533, be equipped with on the connecting plate 522 with two plug bush 26 grafting complex insert post 27, improved the compound die degree between movable mould 523 and the fixed mould 532, improved the production quality of product.

EXAMPLE III

The invention also discloses a production process of the mould for producing the injection molding part, which comprises the following steps,

s1, a rotating shaft 202, a mounting plate 203 and a driving cylinder 204 which are connected with the output end of the rotating motor 201 are driven to rotate through the rotating motor 201, so that a top disc 205 on the driving cylinder 204 is butted with a blocking disc 16, then the driving cylinder 204 is used for driving the top disc 205 to move up a blanking hole 15 and synchronously moving the blocking disc 16 upwards, a discharging groove on a cover cap 18 is opened immediately, injection molding raw material particles in a storage cavity enter the stirring mechanism 6 from the discharging groove, the blanking hole 15 and the material passing pipe 12, and automatic blanking of all raw materials is completed.

And S2, automatically stirring the injection molding raw material particles through the stirring mechanism 6, feeding the injection molding raw material particles into the plastic extruding machine 2 after stirring, completing fusion and plasticization under the work of the plastic extruding machine 2, driving the plastic extruding machine 2 to move towards the mold closing mechanism 5 by the screw rod sliding table 10, pressing and injecting the fused and plasticized injection molding raw material particles into a cavity of the mold closing mechanism 5, and completing mold closing operation under the work of the mold closing mechanism 5.

S3, the transmission shaft 83 connected with the output end of the transmission shaft is driven to rotate by the servo motor 81, two transmission gears 84 on the transmission shaft 83 are driven to be synchronous, two driven components 85 which are transmitted with the two transmission gears 84 work, the fixed mold component 53 moves downwards immediately, meanwhile, the movable mold component 52 moves downwards synchronously, the two components enter the water tank 21 in a mold closing state, and the rapid cooling molding operation of the injection molding piece is realized.

And S4, after cooling and molding of the injection molding part are completed, the lifting mechanism 8 works to drive the fixed mold component 53 to move upwards to the top of the workbench 7, the movable mold component 52 moves upwards in the vertical direction of the four guide rods 54, and mold opening operation of the movable mold component 52 and the fixed mold component 53 is completed.

And S5, driving a rotating assembly 97 connected with the output end of the rotating assembly to work through the stepping motor 92, and enabling the two rotating assemblies 97 to synchronously rotate under the action of two synchronizing wheels 96 and a synchronizing belt, wherein the two rotating assemblies 97 are reversely rotated under the transmission of the main gear 94 and the pinion 95 to jack the bottom plate 91, so that the jacking shaft 981 moves upwards in the fixed mold assembly 53 to jack the injection molding piece in the cavity, thereby completing the automatic demolding operation.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a mould is used in injection molding production which characterized in that: comprises a feeding mechanism (1), an extruding machine (2), a bearing chassis (3), a gantry cover (4), a die assembly mechanism (5), a stirring mechanism (6), a workbench (7), a lifting mechanism (8) and a demolding mechanism (9), wherein the gantry cover (4) is arranged at the top of the bearing chassis (3), the feeding mechanism (1) is arranged at the top of the gantry cover (4) and is in butt joint with the stirring mechanism (6), a screw rod sliding table (10) is installed at the inner top of the bearing chassis (3), the extruding machine (2) is arranged at the moving end of the screw rod sliding table (10), the die assembly mechanism (5) is arranged on the workbench (7), a water tank (21) is arranged inside the workbench (7), the lifting mechanism (8) is arranged at two sides of the water tank (21) and the lifting mechanism (8) is connected with the die assembly mechanism (5), the demolding mechanism (9) is installed in the water tank (21) and is positioned at the bottom of the die assembly mechanism (5), the outer side wall of the water tank (21) is provided with a water outlet (22) and a water inlet (23) which are communicated with the water tank, and the stirring mechanism (6) is arranged on the plastic extruding machine (2).

2. The mold for producing injection-molded parts according to claim 1, wherein: the feeding mechanism (1) comprises a material bearing cylinder (11), a material passing pipe (12) and a plurality of partition plates (13), wherein an inner plate (14) capable of separating the inner space of the material bearing cylinder into an upper cavity (111) and a lower cavity (112) is arranged in the material bearing cylinder (11), the upper cavity (111) is divided into a plurality of equal material storage cavities through the plurality of partition plates (13), each material storage cavity is provided with a blanking hole (15) communicated with the lower cavity (112), each blanking hole (15) is internally provided with a blocking disc (16) and a lug (17) used for supporting the blocking disc (16), the inner bottom of each material storage cavity is provided with a cover cap (18) for moving the blocking disc (16), the outer side wall of the cover cap (18) is provided with a plurality of material discharging grooves communicated with the blanking holes (15), the center of the inner plate (14) is provided with a supporting shaft sleeve (19), and the supporting shaft sleeve (19) is provided with a control assembly (20), the material passing pipe (12) is communicated with the lower cavity (112), and the bottom end of the material passing pipe (12) is butted with the stirring mechanism (6).

3. The mold for producing injection-molded parts according to claim 2, wherein: control assembly (20) are including rotating motor (201), axis of rotation (202), mounting panel (203), drive actuating cylinder (204) and top dish (205), the top at supporting shaft sleeve (19) is fixed in rotation motor (201), axis of rotation (202) are rotated and are installed in supporting shaft sleeve (19), inner panel (14) and be connected with mounting panel (203) are passed to the bottom of axis of rotation (202), it fixes on mounting panel (203) and drives the output of actuating cylinder (204) and is connected with top dish (205) to drive actuating cylinder (204).

4. The mold for producing injection-molded parts according to claim 3, wherein: the die assembly mechanism (5) comprises a top plate (51), a movable die assembly (52), a fixed die assembly (53) and four guide rods (54), wherein the top plate (51) is located right above the workbench (7), the four guide rods (54) are distributed in a rectangular mode, the top end of each guide rod (54) is connected with the top plate (51), the bottom end of each guide rod (54) penetrates through the workbench (7) and is connected with the inner bottom wall of the water tank (21), the movable die assembly (52) is installed on the top plate (51) and slides along the four guide rods (54), and the fixed die assembly (53) is arranged on the workbench (7) and is connected with the lifting mechanism (8).

5. The mold for producing injection-molded parts according to claim 4, wherein: the movable die assembly (52) comprises a lifting cylinder (521), a connecting plate (522) and a movable die (523), the lifting cylinder (521) is fixed at the top of the top plate (51), the output end of the lifting cylinder (521) is connected with the connecting plate (522), the connecting plate (522) is arranged on the four guide rods (54) in a sliding way, the movable mould is arranged at the bottom of the connecting plate (522), the fixed die assembly (53) comprises a base plate (531), a fixed die (532) and two L-shaped connecting arms (533), the base plate (531) is positioned at the top of the workbench (7), the fixed die (532) is arranged at the top of the base plate (531), a cavity is formed between the movable mould (523) and the fixed mould (532), the two L-shaped connecting arms (533) are symmetrical and are respectively arranged at two sides of the base plate (531), and the top ends of the two L-shaped connecting arms (533) are connected with a lifting mechanism (8).

6. The mold for producing injection-molded parts according to claim 5, wherein: the lifting mechanism (8) comprises a servo motor (81), a bearing plate (82), a transmission shaft (83), two transmission gears (84) and two driven components (85), the bearing plate (82) is installed on the outer side wall of the water tank (21), the servo motor (81) is installed on the bearing plate (82), the output end of the servo motor (81) is connected with one end of the transmission shaft (83), the two transmission gears (84) are respectively connected with the two ends of the transmission shaft (83), the two transmission gears (84) are in transmission connection with the two driven components (85), the two driven components (85) are symmetrically arranged beside the two sides of the water tank (21), each driven component (85) comprises a connecting block (851), a driving shaft (852) and a supporting outer shaft sleeve (853), the connecting block (851) is connected with the top end of the L-shaped connecting arm (533), the supporting outer shaft sleeve (853) is arranged beside one side of the water tank (21), and the driving shaft (852) is arranged in the supporting outer shaft sleeve (853) in a sliding mode and is in transmission connection with the transmission gear (84).

7. The mold for producing injection-molded parts according to claim 4, wherein: the demolding mechanism (9) comprises a bottom plate (91), a stepping motor (92), a driven shaft (93), a main gear (94), a secondary gear (95), two synchronizing wheels (96), two rotating assemblies (97) and two ejector pin assemblies (98), wherein the two ejector pin assemblies (98) are arranged at the bottom of the base plate (531), the bottom plate (91) is connected with the bottom ends of the two ejector pin assemblies (98), the two rotating assemblies (97) are symmetrically arranged in the water tank (21), the stepping motor (92) is arranged on the outer side wall of the water tank (21), the output end of the stepping motor (92) is connected with one end of one rotating assembly (97), the driven shaft (93) is rotatably arranged on the outer side wall of the water tank (21), the secondary gear (95) is fixed on the driven shaft (93), the main gear (94) is connected with one rotating assembly (97), and the main gear (94) is meshed with the secondary gear (95), two synchronizing wheel (96) are connected with a rotating assembly (97) and driven shaft (93) respectively to two synchronizing wheel (96) outside cover are equipped with the hold-in range.

8. The mold for producing injection-molded parts according to claim 7, wherein: each rotating assembly (97) comprises a linkage shaft (971) and a rotating ejection block (972), the linkage shafts (971) are rotatably arranged in the water tank (21), the rotating ejection inclined block (972) is fixed on the linkage shafts (971), two ends of one linkage shaft (971) are respectively connected with the output end of the stepping motor (92) and the main gear (94), two ends of the other linkage shaft (971) are respectively connected with one synchronizing wheel (96) and the inner side wall of the water tank (21), each ejector pin component (98) comprises an ejection shaft (981) and a return spring (982), the top end of the jacking shaft (981) sequentially penetrates through the base plate (531) and the fixed die (532), the bottom end of the jacking shaft (981) is connected with the bottom plate (91), and the return spring (982) is sleeved on the jacking shaft (981) and is located between the bottom plate (91) and the base plate (531).

9. The mold for producing injection-molded parts according to claim 5, wherein: be provided with in lower chamber (112) and filter screen board (24), the lateral wall of holding feed cylinder (11) just is located and is equipped with door (25), two between filter screen board (24) and inner panel (14) all be equipped with plug bush (26) on L type linking arm (533), be equipped with on connecting plate (522) and peg graft complex plug post (27) with two plug bushes (26).

10. A process for the production of a mould for the production of injection moulded parts according to claims 1 to 9, characterised in that: comprises the following steps of (a) preparing a solution,

s1, a rotating shaft (202) connected with the output end of the rotating shaft, a mounting plate (203) and a driving cylinder (204) are driven to rotate through a rotating motor (201), so that a top disc (205) on the driving cylinder (204) is in butt joint with a blocking disc (16), then the driving cylinder (204) is used for driving the top disc (205) to move upwards in a blanking hole (15) and enabling the blocking disc (16) to move upwards synchronously, and a discharge groove on a cover cap (18) is opened immediately, so that injection molding raw material particles in a storage cavity enter a stirring mechanism (6) from the discharge groove, the blanking hole (15) and a material passing pipe (12), and automatic blanking of each raw material is completed;

s2, automatically stirring the injection molding raw material particles through the stirring mechanism (6), feeding the mixture into the plastic extruding machine (2) after stirring, completing melt plasticization under the work of the plastic extruding machine (2), driving the plastic extruding machine (2) to move towards the die clamping mechanism (5) through the screw rod sliding table (10), enabling the melt plasticized injection molding raw materials to be pressurized and injected into a cavity of the die clamping mechanism (5), and completing die clamping operation under the work of the die clamping mechanism (5);

s3, a transmission shaft (83) connected with the output end of the servo motor (81) is driven to rotate to drive two transmission gears (84) on the transmission shaft (83) to be synchronous, two driven assemblies (85) which are driven by the two transmission gears (84) work, the fixed die assembly (53) moves downwards immediately, meanwhile, the movable die assembly (52) moves downwards synchronously, the two driven assemblies enter a water tank (21) in a die closing state, and the rapid cooling molding operation of the injection molding piece is realized;

s4, after cooling and molding of the injection molding part are completed, the lifting mechanism (8) works to drive the fixed mold component (53) to move upwards to the top of the workbench (7), the movable mold component (52) moves upwards in the vertical direction of the four guide rods (54), and mold opening operation of the movable mold component (52) and the fixed mold component (53) is completed;

and S5, driving a rotating assembly (97) connected with the output end of the rotating assembly to work through a stepping motor (92), and enabling the two rotating assemblies (97) to synchronously rotate under the action of two synchronizing wheels (96) and a synchronizing belt, wherein the two rotating assemblies (97) reversely rotate under the transmission of a main gear (94) and a pinion (95) to jack a bottom plate (91), so that a jacking shaft (981) moves upwards in a fixed die assembly (53) to jack an injection molding piece in a cavity, and the automatic demolding operation is completed.