CN106945229B

CN106945229B - Automatic feeding equipment for injection molding production of computer shell

Info

Publication number: CN106945229B
Application number: CN201710270558.5A
Authority: CN
Inventors: 孙红晶; 黄斐; 李士义; 李治华; 陈真
Original assignee: Nideao Automation Equipment Co ltd
Current assignee: Nideao Automation Equipment Co ltd
Priority date: 2017-04-24
Filing date: 2017-04-24
Publication date: 2023-01-10
Anticipated expiration: 2037-04-24
Also published as: CN106945229A

Abstract

The invention provides automatic feeding equipment for injection molding production of a computer shell, which comprises a screw feeding device, a carbon fiber plate feeding device, a material taking and taking manipulator and a belt conveying line, wherein the screw feeding device outputs screws in sequence one by one to be grabbed by the material taking and taking manipulator, the carbon fiber plate feeding device outputs carbon fiber plates in sequence one by one to be grabbed by the material taking and taking manipulator, the material taking and taking manipulator grabs the screws and the carbon fiber plates and conveys the grabbed screws and the carbon fiber plates into a forming machine to be placed into a reserved film cavity of a forming die, the forming machine is driven after the screws and the carbon fiber plates are embedded, a finished product of the computer shell is obtained through forming, and the material taking and taking manipulator grabs the finished product of the computer shell and conveys the finished product onto the belt conveying line. The automatic feeding equipment is matched with the computer shell injection molding machine, the bulk screws and the stacked carbon fiber plates are accurately fed into the preset cavity of the injection mold after being taken, all actions are automatically completed, and the production efficiency of the computer shell can be improved after the automatic feeding equipment is used.

Description

Automatic feeding equipment for injection molding production of computer shell

Technical Field

The invention belongs to the technical field of nonstandard automation equipment, and particularly relates to automatic feeding equipment for injection molding production of a computer shell.

Background

When the computer shell is produced by injection molding, the screws and the carbon fiber plates need to be embedded in advance, and cavities for embedding the screws and the carbon fiber plates are reserved in a film cavity of an injection mold. At present, no automatic feeding device is matched with an injection molding machine to take screws and carbon fiber plates and embed the screws and the carbon fiber plates into an injection mold.

Disclosure of Invention

In order to solve the technical problems, the invention provides automatic feeding equipment for injection molding production of a computer shell, which is matched with an injection molding machine, and is used for accurately feeding bulk screws and stacked carbon fiber plates into a preset cavity of an injection mold after the bulk screws and the stacked carbon fiber plates are taken, so that all actions are completed in a full-automatic manner, and the production efficiency of the computer shell can be improved after the automatic feeding equipment is used.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides an automatic feed equipment of computer case production of moulding plastics which characterized in that: comprises a machine table, a screw feeding device, a carbon fiber plate feeding device, a material taking and discharging manipulator and a feeding controller, wherein the screw feeding device, the carbon fiber plate feeding device, the material taking and discharging manipulator are all arranged on the machine table, the feeding controller is arranged in the machine table and controls and connects the screw feeding device, the carbon fiber plate feeding device and the material taking and discharging manipulator,

the screw feeding device comprises a screw feeder and a material distributing mechanism connected with the screw feeder; the material distribution mechanism comprises a blanking seat and a material distribution plate, a plate penetrating groove, a main blanking groove and a branch blanking groove are formed in the blanking seat, the plate penetrating groove transversely extends to be formed in the middle of the blanking seat, the plate penetrating groove divides the blanking seat into an upper blanking seat and a lower blanking seat, and the screw feeder is arranged on the upper blanking seat;

the main blanking groove is longitudinally arranged on the upper blanking seat in an extending mode, and the bottom of the main blanking groove is communicated with the plate penetrating groove; the number of the branch blanking grooves is at least two, each branch blanking groove is longitudinally arranged on the blanking seat in an extending mode, and the top of each branch blanking groove is communicated with the plate penetrating groove;

the distribution plates penetrate through the plate penetrating grooves, the end parts of the distribution plates are connected to distribution plate drivers, the distribution plate drivers drive the distribution plates to linearly reciprocate in the plate penetrating grooves along the extending direction of the grooves, distribution notches are formed in the distribution plates, and the distribution plates reciprocate to enable the main blanking grooves to be alternately communicated with the blanking pipes through the distribution notches;

get and expect that manipulator includes that the screw gets the blowing mould, carbon fiber plate gets the blowing mould and actuating mechanism, actuating mechanism drive screw gets the blowing mould and carries the screw of screw feedway output to the computer shell injection molding machine in, actuating mechanism drive carbon fiber plate gets the blowing mould and carries the carbon fiber plate of carbon fiber plate feedway output to the computer shell injection molding machine in.

In a preferred embodiment of the present invention, the screw material taking and placing mold and the carbon fiber plate material taking and placing mold each include a fixing plate and a feeding mold plate, and the fixing plates and the feeding mold plate of the screw material taking and placing mold and the carbon fiber plate material taking and placing mold are connected through floating bearings, so that the feeding mold plate can move in a universal direction.

In a preferred embodiment of the present invention, the movable bearing further includes a fixed bearing and a movable bearing, the fixed bearing is coaxially sleeved with the movable bearing, the fixed bearing is sleeved on one end of the central shaft in an interference fit manner, a stop block is arranged at the other end of the central shaft, the movable bearing is sleeved between the stop block and the fixed bearing, an axial gap is formed between the movable bearing and the fixed bearing, the inner diameter of the fixed bearing is smaller than the inner diameter of the movable bearing, and the fixed bearing and the movable bearing are respectively connected to the fixed plate and the feeding mold plate.

In a preferred embodiment of the present invention, the feeding mold plates of the screw feeding mold and the carbon fiber plate feeding mold are both provided with positioning pillars, each positioning pillar includes a first positioning pillar and a second positioning pillar, which are connected into a whole and coaxially disposed, the first positioning pillar and the second positioning pillar are both in a cylindrical structure, the outer diameter of the second positioning pillar is smaller than that of the first positioning pillar, and the free end of the second positioning pillar is provided with a guiding inclined plane.

In a preferred embodiment of the invention, the feeding mold plate of the screw taking and placing mold is provided with a plurality of material sucking columns for sucking the screws, the material sucking columns are hollow cylindrical structures, the free ends of the material sucking columns are provided with plugs, and the outer diameters of the plugs are smaller than the inner diameters of the screws.

In a preferred embodiment of the present invention, the feeding mold plate of the carbon fiber plate feeding and discharging mold is provided with a plurality of suction nozzle plates for sucking the carbon fiber plate.

In a preferred embodiment of the present invention, the material distributing plate further comprises at least two material distributing notches, one of the material distributing notches is communicated with the main charging chute, and the other material distributing notches are communicated with the branch charging chutes when the material distributing plate moves back and forth.

In a preferred embodiment of the present invention, the screw feeder further includes a rotary feeding mechanism disposed on the upper blanking seat, and a vibration plate connected to the rotary feeding mechanism, the rotary feeding mechanism includes a feeding shaft, a shaft sleeve sleeved on the feeding shaft, and a rotary driver for driving the feeding shaft to rotate, a receiving groove is disposed on the feeding shaft, a single blanking opening for vertically blanking into the total blanking groove is disposed on the shaft sleeve, a discharging channel for discharging screws one by one is disposed on the vibration plate, a discharging opening is disposed at the end of the discharging channel, the feeding shaft rotates to make the receiving groove on the feeding shaft alternately butt-connected with the blanking opening and the discharging opening, when the receiving groove is communicated with the discharging opening, the screw in the discharging channel enters the receiving groove, and when the receiving groove is connected with the blanking opening, the screw in the receiving groove falls into the total blanking groove from the blanking opening.

In a preferred embodiment of the present invention, the feeding shaft is further provided with an annular avoidance groove, and the material receiving groove is arranged in the annular avoidance groove.

In a preferred embodiment of the present invention, the vibration plate is further provided with a first sensor, the first sensor feeds back a signal when the material receiving groove is communicated with the material outlet, the first sensor is electrically connected to a material supply controller, and the material supply controller is in control connection with the rotary driver.

In a preferred embodiment of the present invention, the vibration plate is further provided with a blowing mechanism, the blowing mechanism is provided with an air nozzle arranged at the discharge port, and when the material receiving groove is communicated with the discharge port, the screw in the discharge channel is blown into the material receiving groove through the air nozzle.

In a preferred embodiment of the present invention, the vibrating plate further comprises a second sensor, the second sensor feeds back a signal when the air nozzle blows the screw into the material receiving groove, and the second sensor is electrically connected to the feeding controller.

In a preferred embodiment of the present invention, the feeding device further comprises a third sensor disposed on the blanking seat, wherein the third sensor feeds back a signal when the screw in the main blanking groove falls into the branch blanking groove, and the third sensor is electrically connected to the feeding controller.

In a preferred embodiment of the present invention, the screw feeding device further includes a screw feeding table, the screw feeding table is disposed on the machine table, a screw feeding channel for the screw to fall is disposed on the screw feeding table, a top end of the screw feeding channel is connected to the supporting and discharging trough, and the screw feeding channel outputs the screw for the suction column to suck.

In a preferred embodiment of the present invention, the carbon fiber plate feeding device further includes a storage tool for stacking and storing the carbon fiber plates, and a lifting driver electrically connected to the feeding controller, wherein the lifting driver drives the storage tool to lift so that the current carbon fiber plate sucked by the suction nozzle disc is placed on the topmost layer of the storage tool.

In a preferred embodiment of the present invention, the storing tool further includes a fourth sensor, the fourth sensor feeds back a signal after the top carbon fiber board is sucked away, and the fourth sensor is electrically connected to the feeding controller.

In a preferred embodiment of the present invention, a belt conveyor line is further disposed on the machine platform, the material taking and placing manipulator further includes a finished product material taking and placing mold, and the driving mechanism drives the finished product material taking and placing mold to output a finished product injection-molded in the injection molding machine onto the belt conveyor line.

In a preferred embodiment of the present invention, the finished product taking and placing mold further comprises a fifth sensor and a suction nozzle for taking and placing the injection molded finished product, the fifth sensor feeds back a signal when the suction nozzle sucks the injection molded finished product, the suction nozzle feeds back a signal when the suction nozzle places the injection molded finished product onto the belt conveying line, and the fifth sensor is electrically connected to the feeding controller.

In a preferred embodiment of the present invention, further comprising that the inner diameter of the fixed bearing is 1.5-4mm smaller than the inner diameter of the movable bearing.

In a preferred embodiment of the present invention, it is further included that the movable clearance in the axial direction of the movable bearing is 2 to 3mm.

The beneficial effects of the invention are:

firstly, the automatic feeding equipment is matched with a computer shell injection molding machine, bulk screws and stacked carbon fiber plates are accurately fed into a preset cavity of an injection mold after being taken, all actions are automatically completed, and the production efficiency of a computer shell can be improved after the automatic feeding equipment is used;

the screw feeding device with optimized structural design sequentially outputs screws stored in a bulk material mode one by one, and simultaneously the distributing mechanism sequentially feeds bulk screws in a vibrating disc one by one into a plurality of screw feeding channels at the rear section one by two, three, four or even more, so that one set of screw feeding device can sequentially output two screws one by one, and the feeding efficiency is improved by at least one time within the same feeding time;

the screw taking and placing mold with the optimized structural design accurately feeds the screws output by the screw feeding device into the screw embedding cavity of the injection mold, and the carbon fiber plate taking and placing mold accurately feeds the carbon fiber plates output by the carbon fiber plate feeding device into the carbon fiber plate embedding cavity of the injection mold; meanwhile, the fixed plate and the feeding mold plate are connected through the floating bearing, so that the feeding mold plate can move universally when being in butt joint with the injection mold, (the universal movement comprises axial floating along a central shaft and shaking taking the central shaft as the center), the feeding mold plate can be timely finely adjusted in position when being in butt joint with the injection mold, the alignment precision between the feeding mold plate and the injection mold designed in the way can be improved to +/-0.01 mm, and high-precision alignment feeding is realized;

and fourthly, the feeding controller controls the screw feeding device, the carbon fiber plate feeding device and each part of the taking and placing manipulator to perform coordinated actions, so that full-automatic stable and ordered feeding is realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the technical descriptions of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the overall first perspective configuration with the housing removed;

FIG. 3 is a schematic view of an overall second perspective configuration with the housing removed;

FIG. 4 is a schematic view of the overall structure of the robot with the housing removed and the material pick-and-place manipulator removed;

fig. 5 is a schematic structural view of the material taking and placing manipulator;

FIG. 6 is a schematic view of a floating bearing construction;

FIG. 7 is a schematic view of a positioning post structure;

FIG. 8 is a schematic view of the screw feeder;

FIG. 9 is a schematic view of the internal structure of the screw feeder and the feed mechanism;

FIG. 10 is a schematic view of the blanking socket;

FIG. 11 is a schematic structural view of a material distributing plate;

fig. 12 is a structural schematic diagram of the cooperation of the blanking seat and the distributing plate.

Wherein: 1-a machine table, 11-a belt conveyor line, 12-a finished product taking and placing die, and 13-a suction nozzle;

2-screw feeding device, 21-blanking seat, 21 a-upper blanking seat, 21 b-lower blanking seat, 22-plate through groove, 23-total blanking groove, 24-branch blanking groove, 25-material distributing plate, 26-material distributing plate driver, 27-material distributing notch, 29-vibration plate, 30-feeding shaft, 31-shaft sleeve, 32-rotation driver, 33-material receiving groove, 34-material outlet channel, 35-annular avoiding groove, 36-first sensor, 37-second sensor, 38-third sensor, 39-screw feeding table and 40-screw feeding channel;

4-a carbon fiber plate feeding device, 41-a material storage tool;

5-material taking and placing manipulator, 51-screw material taking and placing mould, 52-carbon fiber plate material taking and placing mould, 53-fixed plate, 54-material feeding mould plate, 55-floating bearing, 56-fixed bearing, 57-movable bearing, 58-central shaft, 59-limiting block, 60-positioning column, 60 a-positioning column I, 60 b-positioning column II, 61-guide inclined plane, 62-material sucking column, 63-plug and 64-suction nozzle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be 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.

Examples

The embodiment discloses an automatic feeding device, which is characterized in that screws and carbon fiber plates required by a computer shell are embedded into an injection molding machine in advance, the screws are wrapped in a molded product after the molding machine is started, and the carbon fiber plates are wrapped on the outer surface of the molded product, so that the computer shell is finally formed.

As shown in fig. 1-3, the automatic feeding device includes a machine platform 1, a screw feeding device 2, a carbon fiber plate feeding device 4, a material taking and placing manipulator 5, a belt conveying line 11, and a feeding controller disposed in the machine platform 1, wherein the feeding controller controls and connects the screw feeding device 2, the carbon fiber plate feeding device 4, and the material taking and placing manipulator 5; screw feedway 2 orderly output screw supplies one by one and gets material manipulator 5 snatchs, fine 4 board confession of carbon fiber of fine one by one of fine material manipulator 5 of getting of output carbon snatchs, get material manipulator 5 and snatch screw and fine carbon fiber board, and the screw that will snatch, in the fine carbon fiber board conveying make-up machine reservation membrane intracavity of putting into forming die, screw and fine carbon fiber board drive make-up machine after burying underground, the shaping obtains computer case's finished product, get material manipulator 5 snatch finished product computer case and carry to belt conveying line 11 on. The specific structure of each part is as follows:

1. screw feeder 2 as shown in FIG. 8

The screw feeding device 2 comprises a screw feeder, a distributing mechanism connected with the screw feeder and a screw feeding table 39 connected with the distributing mechanism, the screws stored in a dispersed mode are conveyed to the distributing mechanism by the screw feeder, and the screws conveyed by the screw feeder are conveyed into a screw feeding channel 40 of the screw feeding table 39 by the distributing mechanism in a one-to-many mode for a rear-section material taking and placing manipulator 5 to take materials.

(1) Material distributing mechanism

As shown in fig. 4, 8-12, the material distributing mechanism includes a blanking seat 21 and a material distributing plate 25, the blanking seat 21 is provided with a plate passing groove 22, a main blanking groove 23 and a branch blanking groove 24, the plate passing groove 22 is transversely extended and arranged in the middle of the blanking seat 21, and the plate passing groove 22 divides the blanking seat 21 into an upper blanking seat 21a and a lower blanking seat 21b; the main charging chute 23 is longitudinally extended and arranged on the 21a, and the bottom of the main charging chute 23 is communicated with the plate passing groove 22; at least two branch charging chutes 24 are provided, each branch charging chute 24 is longitudinally arranged on the charging drop seat 21b, and the top of each branch charging chute 24 is communicated with the plate passing groove 22;

the distributing plate 25 is arranged in the plate penetrating groove 22 in a penetrating way, the end part of the distributing plate 25 is connected to a distributing plate driver 26, the distributing plate driver 26 drives the distributing plate 25 to linearly reciprocate in the plate penetrating groove 22 along the extending direction of the groove, distributing notches 27 are formed in the distributing plate 25, and the distributing plate 25 reciprocates to enable the main blanking groove 23 to be communicated with the blanking pipes alternately through the distributing notches 27.

(2) Screw feeder

The screw feeder comprises a rotary feeding mechanism arranged on an upper blanking seat 21a and a vibration disc 29 connected with the rotary feeding mechanism, the rotary feeding mechanism comprises a feeding shaft 30, a shaft sleeve 31 sleeved on the feeding shaft 30 and a rotary driver 32 driving the feeding shaft 30 to rotate, a receiving groove 33 is arranged on the feeding shaft 30, a blanking port from only vertical blanking to the total blanking groove 23 is arranged on the shaft sleeve 31, a discharging channel 34 for the screws to discharge one by one is arranged on the vibration disc 29, a discharging port is arranged at the tail end of the discharging channel 34, the feeding shaft 30 rotates to enable the receiving groove 33 on the feeding shaft to be in butt joint communication with the blanking port and the discharging port alternately, when the receiving groove 33 is communicated with the discharging port, the screws in the discharging channel 34 enter the receiving groove 33, and when the receiving groove 33 is connected with the blanking port, the screws in the receiving groove 33 fall into the total blanking groove 23 from the blanking port.

(3) Screw feeding table 39

The screw feeding table 39 is disposed on the machine table 1, a screw feeding channel 40 for a screw to fall is disposed on the screw feeding table 39, the top end of the screw feeding channel 40 is connected to the material supporting and discharging groove 24, and the screw feeding channel 40 outputs a screw for the material absorbing column 62 to absorb.

Specifically, the present invention preferably blows the screws in the discharge channel 34 one by one into the receiving groove 33 by a blowing mechanism provided on the vibrating plate 29, and specifically, the blowing mechanism has an air nozzle provided at the discharge port, and when the receiving groove 33 is communicated with the discharge port, the screws in the discharge channel 3417 are blown into the receiving groove 33 by the air nozzle.

The screw feeding device 2 with the above structure can sequentially feed bulk screws in a vibrating disk 29 one by one to a plurality of screw feeding channels 40 of a screw feeding table 39 one by one, one by three, one by four or even one by one, and one set of screw feeding device 2 can be used for feeding the rear-end taking and feeding manipulator 5 by matching with at least two screw feeding channels 40, and the working process is as follows:

the vibration disc 29 vibrates to deliver the bulk screws stored in the inner cavity of the vibration disc one by one to the discharge channel 34, when the discharge port at the tail end of the material receiving groove 33 and the discharge channel 34 is communicated, the air nozzle blows the tail-most screw in the discharge channel 34 into the material receiving groove 33 from the discharge port, then the feeding shaft 30 rotates until the material receiving groove 33 is communicated with the discharge port, the screw in the material receiving groove 33 falls into the total blanking groove 23 from the discharge port, the screw continuously falls into the material distributing notch 27 of the material distributing plate 25 in the plate penetrating groove 22 in the total blanking groove 23 under the action of self gravity, and in the moving process of the material distributing plate 25, when the material distributing notch 27 is communicated with the material supporting groove 24, the screw in the material distributing notch 27 falls into the material supporting groove 24.

The number of the branch charging chutes 24 is at least two, that is, one total charging chute 23 corresponds to at least two branch charging chutes 24, the material distributing plate 25 moves to distribute the screws in one total charging chute 23 into at least two branch charging chutes 24, and each branch charging chute 24 is directly communicated with one screw feeding channel 40 of the rear section respectively, so that the bulk screws in the vibrating disk 29 are sequentially fed into at least two screw feeding channels 40 of the rear section one by one.

Here, it should be noted that the material distributing plate driver 26 of the present invention is preferably an air cylinder, and the reciprocating linear movement of the material distributing plate 25 is realized by the air cylinder stroke and the retreating stroke, and when there are two material distributing grooves 24, the reciprocating linear movement is realized by controlling the air cylinder stroke: the screws in the material distributing notch 27 are fed into one of the branch charging chutes 24 when the air cylinder advances, and the screws in the material distributing notch 27 are fed into the other branch charging chute 24 when the air cylinder retreats. When the number of the branch charging chutes 24 is three or more, the screws in the main charging chute 23 can be controlled to be alternately fed into different branch charging chutes 24 by controlling the cylinder stroke of the air cylinder.

As a further improvement of the present invention, the material distributing plate 25 is provided with at least two material distributing notches 27, one of the material distributing notches 27 is communicated with the main blanking groove 23 when the material distributing plate 25 reciprocates, and the other material distributing notches 27 are communicated with the branch blanking grooves 24. Specifically, the number of the material distributing notches 27 on the material distributing plate 25 is the same as the number of the branch charging chutes 24, and two branch charging chutes 24 and two material distributing notches 27 are taken as an example, and description is performed in three states:

in the initial position state: the first material distribution notch 27 is in butt joint with the main charging conduit 23, and a screw in the main charging conduit 23 enters the first material distribution notch 27; the second material distributing notch 27 is staggered with the main charging chute 23 without screws;

when the cylinder progresses: the material distributing plate 25 moves: the first material distributing notch 27 is staggered with the main blanking groove 23 and is in butt joint with the first branch blanking groove 24, the screws in the first branch blanking groove 24 fall into the second branch blanking groove 27, the second material distributing notch 27 is in butt joint with the main blanking groove 23, and the screws in the main blanking groove 23 enter the first material distributing notch 27;

when the cylinder retreats: the distributing plate 25 moves in the opposite direction, the second distributing notch 27 is staggered from the main blanking groove 23 and is in butt joint with the second branch blanking groove 24, the screws in the second distributing notch fall into the second blanking groove, the first distributing notch 27 is in butt joint with the main blanking groove 23, and the screws in the main blanking groove 23 fall into the first distributing notch 27.

The above three states are repeated, and the screws in the main charging chute 23 alternately enter the different branch charging chutes 24.

In order to accurately control the coordination of the components, a first sensor 36 is arranged on the vibration disk 29, a first sensor 36 feeds back signals when the material receiving groove 33 is communicated with the material outlet, the first sensor 36 feeds back signals when the material receiving groove 33 is communicated with the material discharging opening, a second sensor 37 is arranged on the vibration disk 29, the second sensor 37 feeds back signals when the air nozzle blows the screw into the material receiving groove 33, a third sensor 38 is arranged on the material falling seat 21, the third sensor 38 feeds back signals when the screw in the main material falling groove 23 falls into the branch material falling groove 24, the first sensor 36, the second sensor 37 and the third sensor 38 are all electrically connected to a feeding controller, the feeding controller controls the action of the rotary driver 32 according to the signals fed back by the first sensor 36 and the second sensor 37, and controls the action of the material distributing plate driver 26 according to the signals fed back by the third sensor 38, and the rotary driver 32 is preferably a rotary air cylinder.

It should be noted here that the feeding shaft 30 rotates, but the position of the shaft sleeve 31 is still, and when the receiving groove 33 on which the feeding shaft 30 rotates is butted with the blanking port on the shaft sleeve 31, the screw in the receiving groove 33 falls from the blanking port to the total blanking groove 23. The screw gets into from the discharge gate and connects the silo 33 in the back, holds the screw that is connecing in the silo 33 rotatory along with the axis of rotation, rotatory in-process axle sleeve 31 restriction connects the removal of screw in the silo 33, and the axis of rotation in-process connects inevitable contact axle sleeve 31 of screw in the silo 33, in order to avoid the screw to rotate in-process screw card silk at the axis of rotation, the annular groove 3526 of dodging has still been seted up on the above-mentioned pay-off axle 30, the aforesaid connects the silo 33 to set up the annular and dodges in the groove 35.

In addition, can design a total charging conduit 23 on blanking seat 21, need total charging conduit 23 can also design two, three or more according to in-service use, a screw feeder of total charging conduit 23 configuration, every total charging conduit 23 all corresponds configuration two at least charging conduits 24, so can be simultaneously for the 40 confession screw that supply channels of back end are more, further improve feed efficiency.

Eight screw feeding channels 40 are designed on a preferred screw feeding table 39, two sets of screw feeders and two sets of material distributing mechanisms are designed by matching one screw feeding table 39, one set of screw feeder is matched with one set of material distributing mechanism, the other set of screw feeder is matched with the other set of material distributing mechanism, each material distributing mechanism is provided with two main blanking troughs 23, each main blanking trough 23 is provided with two branch blanking troughs 24, so that eight branch blanking troughs 24 are arranged totally, and the eight branch blanking troughs 24 are respectively connected with the eight screw feeding channels 40.

2. A carbon fiber sheet supply device 4 as shown in fig. 1-3

Above-mentioned carbon fiber plate feedway 4 is including range upon range of storage frock 41 that stores above-mentioned carbon fiber plate and the lift driver of electricity connection to feed controller, and above-mentioned lift driver drive storage frock 41 goes up and down to make the carbon fiber plate on top layer be located all the time and get the material height of getting of material manipulator 5, conveniently gets material manipulator 5 and gets the material.

According to actual need, can design whole placing on the top mesa of board 1 after storage frock 41 fills with the carbon fiber board, the carbon fiber board of top layer this moment just is located gets material height of getting of blowing manipulator 5, get behind the carbon fiber board of blowing manipulator 5, the thickness of the ascending carbon fiber board of all carbon fiber boards of lift driver drive remaining for the penultimate carbon fiber board is located gets material height of getting of blowing manipulator 5, so circulate, top layer carbon fiber board among the remaining carbon fiber board in storage frock 41 is located all the time gets material height of getting of blowing manipulator 5.

In order to precisely control the action, the storing tool 41 is provided with a fourth sensor, the fourth sensor feeds back a signal after the top carbon fiber plate is sucked away, the fourth sensor is electrically connected to the feeding controller, and the feeding controller controls the action of the lifting driver according to the signal fed back by the fourth sensor.

3. The material taking and placing manipulator 5 shown in fig. 5

The taking and placing manipulator 5 comprises a screw taking and placing mold 51, a carbon fiber plate taking and placing mold 52, a finished product taking and placing mold 12 and a driving mechanism, the driving mechanism drives the screw taking and placing mold 51 to be in butt joint with an injection mold in a molding machine, the screw output by the screw feeding device 2 is conveyed into an injection molding machine of a computer shell, the driving mechanism drives the carbon fiber plate taking and placing mold 52 to be in butt joint with the injection mold in the molding machine, the carbon fiber plate output by the carbon fiber plate feeding device is conveyed into the injection molding machine of the computer shell, the driving mechanism drives the finished product taking and placing mold 12 to be in butt joint with the injection mold in the molding machine, and an injection molded finished product in the molding machine is conveyed to a belt conveying line 11.

(1) Screw taking and placing die 51

The screw taking and placing die 51 comprises a fixing plate 53 and a feeding die plate 54, wherein the feeding die plate 54 is provided with a plurality of material sucking columns 62 and a plurality of positioning columns 60, the material sucking columns 62 are used for sucking screws from a screw feeding channel 40, and the positioning columns 60 are inserted into positioning holes of an injection die when the screw taking and placing die 51 is in butt joint with the injection die, so that accurate positioning butt joint is realized.

Corresponding to the eight screw feeding channels 40, eight suction columns 62 are also designed, and the eight suction columns 62 are respectively used for sucking screws in the eight screw feeding channels 40. The material suction column 62 is a hollow cylindrical structure, a plug 63 is arranged at the free end of the material suction column 62, and the outer diameter of the plug 63 is smaller than the inner diameter of the screw. When the material suction column 62 works, the plug 63 with the outer diameter smaller than the inner diameter of the screw is inserted into the screw inner hole, and then the suction force is started to adsorb the screw on the plug 63.

The fixed plate 53 and the feeding mold plate 54 are connected by a floating bearing 55, so that the feeding mold plate 54 can move in a universal direction. Specifically, as shown in fig. 6, the floating bearing 55 includes a fixed bearing 56 and a movable bearing 57 which are disposed on the same shaft sleeve 31, the fixed bearing 56 is sleeved on one end of a central shaft 58 in an interference fit manner, a limit block 59 is disposed at the other end of the central shaft 58, the movable bearing 57 is sleeved between the limit block 59 and the fixed bearing 56, an axial gap is formed between the movable bearing 57 and the fixed bearing 56, the inner diameter of the fixed bearing 56 is smaller than the inner diameter of the movable bearing 57, and the fixed bearing 56 and the movable bearing 57 are respectively connected to the fixed plate 53 and the feeding mold plate 54.

The floating bearing 55 with the above structure design has the advantages that the movable bearing 57 can move universally, the universal movement comprises axial floating along the central shaft 58 and shaking with the central shaft 58 as the center, and the universal movement of the floating bearing 55 drives the feeding mold plate 54 fixed on the floating bearing to move universally, so that the position can be finely adjusted timely when the feeding mold plate 54 is in butt joint with an injection mold, and high-precision butt joint between the feeding mold plate 54 and the injection mold is ensured.

For smooth movement, the fixed plate 53 and the feed die plate 54 are connected by at least two floating bearings 55 as described above.

The feeding mold plate 54 is butted with the injection mold through the following structure: positioning holes are formed in the injection mold, positioning columns 60 are arranged on the feeding mold plate 54, for aligning positions in multiple directions, usually at least two positioning columns 60 are designed and respectively arranged on opposite corners of the feeding mold plate 54, and the number and the positions of the positioning holes are matched with those of the feeding mold plate 54. The drive mechanism drives the feeder mold plate 54 to move so that the locating posts 60 thereon are inserted into the locating holes in the injection mold.

As shown in fig. 7, the positioning column 60 includes a first positioning column 60a and a second positioning column 60b which are connected as a whole and coaxially disposed, the first positioning column 60a and the second positioning column 60b are both cylindrical structures, the outer diameter of the second positioning column 60b is smaller than that of the first positioning column 60a, and a guide inclined surface 61 is disposed at a free end of the second positioning column 60 b. According to actual requirements, the outer diameter of the first positioning column 60a is the same as the inner diameter of the positioning hole, and the outer diameter of the second positioning column 60b is smaller than the inner diameter of the positioning hole. When the feeding mold plate 54 is butted with the injection mold, the second positioning column 60b with the outer diameter smaller than the inner diameter of the positioning hole contacts the positioning hole for pre-positioning, the feeding mold plate 54 finely adjusts the position in time in the pre-positioning process, so that the first positioning column 60a can be accurately inserted into the positioning hole, and the guide inclined surface 61 guides the second positioning column 60b to enter the positioning hole when the second positioning column 60b is butted with the positioning hole.

It is found through continuing tests that the inner diameter of the fixed bearing 56 is 1.5 to 4mm, preferably 2mm, smaller than the inner diameter of the movable bearing 57; when the axial clearance of the movable bearing 57 is 2-3mm, the alignment accuracy between the feeding mold plate 544 and the injection mold is the best, and can be increased to ± 0.01mm.

(2) Carbon fiber plate taking and placing die 52

The carbon fiber plate material taking and placing die 52 comprises a fixing plate 53 and a feeding die plate 54, the fixing plate 53 is connected with the feeding die plate 54 through a floating bearing 55, so that the feeding die plate 54 can move universally, and the floating bearing 55 structure and the principle of driving the feeding die plate 54 to float are the same as the description of the screw material taking and placing die 51, and are not described herein again.

The feeding mold plate 54 of the carbon fiber plate feeding and discharging mold 52 is provided with a plurality of positioning columns 60 and a plurality of suction nozzle plates 64 for sucking carbon fiber plates. Here, the structure and the positioning process of the positioning column 60 are the same as those of the positioning column 60 in the screw taking and placing mold 51, and are not described again here.

The suction nozzle disk 64 is used for sucking the carbon fiber plates in the stock tool 41.

(3) Finished product taking and placing die 12

The finished product taking and placing die 12 comprises a feeding die plate 54, a suction nozzle 13 for sucking the injection molding finished product is arranged on the feeding die plate 54, and the suction nozzle 13 sucks the injection molding finished product and then places the injection molding finished product on the belt conveyor line 11. For accurate control, the suction nozzle 13 feeds back signals of the fifth sensor when sucking the injection molding finished product, the suction nozzle 13 feeds back signals when putting the injection molding finished product on the belt conveying line 11, the fifth sensor is electrically connected to the feeding controller, and the feeding controller controls the driving mechanism to move according to the signals fed back by the fifth sensor so as to convey the sucked injection molding finished product to the belt conveying line 11.

The working process of the automatic feeding equipment with the structure is as follows: the screw taking and placing mold 51 sucks a screw from the screw feeding channel 40 → the carbon fiber plate taking and placing mold 52 sucks a carbon fiber plate from the storage tool 41 → the whole body of the taking and placing manipulator 5 moves into the injection molding machine → the finished product taking and placing mold 12 takes out an injection molded finished product in the molding machine → the screw taking and placing mold 51 embeds the sucked screw in a preset film cavity → the carbon fiber plate taking and placing mold 52 embeds the sucked carbon fiber plate in the preset film cavity → the finished product taking and placing mold 12 places the sucked injection molded finished product on the belt conveying line 11, so that a working process is completed, and uninterrupted continuous operation is realized in a circulating manner.

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. Automatic feed equipment of computer case production of moulding plastics, its characterized in that: comprises a machine table, a screw feeding device, a carbon fiber plate feeding device, a material taking and discharging manipulator and a feeding controller, wherein the screw feeding device, the carbon fiber plate feeding device, the material taking and discharging manipulator are all arranged on the machine table, the feeding controller is arranged in the machine table and controls and connects the screw feeding device, the carbon fiber plate feeding device and the material taking and discharging manipulator,

the distribution plates penetrate through the plate penetrating grooves, the end parts of the distribution plates are connected to distribution plate drivers, the distribution plate drivers drive the distribution plates to linearly reciprocate in the plate penetrating grooves along the extending direction of the grooves, distribution notches are formed in the distribution plates, and the distribution plates reciprocate to enable the main blanking grooves to be alternately communicated with the blanking pipes through the distribution notches; when the material distribution plate is provided with at least two material distribution notches, one material distribution notch is communicated with the main blanking groove, and the other material distribution notches are communicated with the branch blanking grooves when the material distribution plate moves in a reciprocating manner;

get and expect that manipulator includes that the screw gets the blowing mould, carbon fiber plate gets the blowing mould and actuating mechanism, actuating mechanism drive screw gets the blowing mould and carries the screw of screw feedway output to the computer casing in the injection molding machine, the carbon fiber plate of carbon fiber plate feedway output is got to the blowing mould and is carried the carbon fiber plate to the computer casing in the injection molding machine to the actuating mechanism drive carbon fiber plate.

2. The automatic feeding device for injection molding of computer housings of claim 1, wherein: the screw taking and placing die and the carbon fiber plate taking and placing die respectively comprise a fixed plate and a feeding die plate, and the fixed plate and the feeding die plate are connected through floating bearings, so that the feeding die plate can move universally.

3. The automatic feeding device for injection molding production of computer housings of claim 2, wherein: the floating bearing comprises a fixed bearing and a movable bearing which are coaxially sleeved, the fixed bearing is sleeved at one end of a central shaft in an interference fit mode, a limiting block is arranged at the other end of the central shaft, the movable bearing is sleeved between the limiting block and the fixed bearing and has an axial gap with the fixed bearing, the inner diameter of the fixed bearing is smaller than that of the movable bearing, and the fixed bearing and the movable bearing are connected to a fixed plate and a feeding mold plate respectively.

4. The automatic feeding device for injection molding production of computer housings according to claim 2 or 3, wherein: the feeding die plate of the screw taking and placing die and the feeding die plate of the carbon fiber plate taking and placing die are both provided with positioning columns, each positioning column comprises a first positioning column and a second positioning column which are connected into a whole and coaxially arranged, the first positioning column and the second positioning column are both of cylindrical structures, the outer diameter of the second positioning column is smaller than that of the first positioning column, and the free end of the second positioning column is provided with a guide inclined plane.

5. The automatic feeding device for injection molding production of computer housings according to claim 2 or 3, wherein: a feeding die plate of the screw taking and placing die is provided with a plurality of material sucking columns for sucking the screws, the material sucking columns are of hollow cylindrical structures, free ends of the material sucking columns are provided with plugs, and the outer diameters of the plugs are smaller than the inner diameters of the screws;

and a plurality of suction nozzle discs for sucking the carbon fiber plates are arranged on the feeding die plate of the carbon fiber plate taking and placing die.

6. The automatic feeding device for injection molding production of computer housings of claim 1, wherein: the screw feeder is including setting up the rotatory feeding mechanism on last blanking seat and the vibration dish of being connected with rotatory feeding mechanism, rotatory feeding mechanism includes the pay-off axle, overlaps at the epaxial axle sleeve of pay-off, the rotatory rotary drive ware of drive pay-off axle, the epaxial silo that connects that is equipped with of pay-off, be equipped with the blanking mouth of only vertical blanking to total blanking inslot on the axle sleeve, be equipped with the discharging channel who supplies the screw to ejection of compact one by one on the vibration dish, discharging channel's end is equipped with the discharge gate, the pay-off rotation makes it on it connect the silo in turn with blanking mouth and discharge gate butt joint intercommunication, when connecing silo and discharge gate intercommunication, the screw entering in the discharging channel connects the silo in, when connecing silo and blanking mouth to connect, connect the screw in the silo from the blanking mouth falls extremely in the total blanking inslot.

7. The automatic feeding device for injection molding production of computer housings of claim 6, wherein: be equipped with on the vibration dish and blow material mechanism, blow material mechanism has the air cock that sets up in discharge gate department, connect during silo and ejection of compact and intercommunication, through the air cock blows the screw in with discharging channel to connecing in the silo.

8. The automatic feeding device for injection molding of computer housings of claim 5, wherein: carbon fiber plate feedway stores including range upon range of the storage frock of carbon fiber plate and the lift driver of electricity connection to feed controller, lift driver drive storage frock goes up and down to make the current carbon fiber plate that the suction nozzle dish absorbed arrange the topmost layer of storage frock in.

9. The automatic feeding device for injection molding of computer housings of claim 1, wherein: still be equipped with the belt conveyor on the board, get and put the material manipulator and still include the finished product and get the blowing mould, actuating mechanism drive finished product is got the blowing mould and is exported the finished product of moulding plastics in with the injection molding machine to the belt conveyor on.