CN208020607U - A kind of center capstan head polychrome vertical injection molding machine - Google Patents
A kind of center capstan head polychrome vertical injection molding machine Download PDFInfo
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- CN208020607U CN208020607U CN201721645934.6U CN201721645934U CN208020607U CN 208020607 U CN208020607 U CN 208020607U CN 201721645934 U CN201721645934 U CN 201721645934U CN 208020607 U CN208020607 U CN 208020607U
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Abstract
The utility model discloses a kind of center capstan head polychrome vertical injection molding machines, injection molding machine includes rack, lower template, cope plate, mode locking plate, guide post, center capstan head, material injecting device and center capstan head stripper, there is the locating slot positioned to inserts seat in the capstan head of center, to facilitate installation inserts seat, there is material mouth on barrel, using needle-valve and pneumatic control, make material controlling more reliable, stripper can be by the reliable discharging of finished product.
Description
Technical field
The utility model is related to vertical injection molding machines.
Background technology
Injection molding machine generally comprises two kinds of vertical injection molding machine and horizontal injection press.Injection molding machine is usually by injecting systems, molding system
The compositions such as system, Hydraulic Power Transmission System, electric control system, lubricating system, heating and cooling system, safety monitoring system.Injection
System is one of most important component part of injection molding machine, generally there is plunger type, screw, screw rod preformed plunger injection 3 kinds of masters of formula
Want form；At present it is most widely used is screw, effect be in injection molding material machine injection moulding process, can be before the deadline
After a certain number of plastic heatings are plasticized, under certain pressure and speed, molten plastic is injected by mould type by screw rod
In chamber.After injection, sizing is kept to the melt being injected into die cavity.The effect of Clamping System be ensure mold can be closed,
Product is opened and ejects, meanwhile, it after the mold is closed, gives mold enough clamp forces, enters die cavity to resist molten plastic
The cavity pressure of generation, prevents mold from cracking, and causes the bad present situation of product.The effect of Hydraulic Power Transmission System is to realize injection molding machine
Power is provided by the various actions required by technical process, and meets wanting for pressure, speed, temperature etc. needed for injection molding machine each section
It asks.The rationally cooperation of electric control system and hydraulic system, it can be achieved that injector technological requirement, as pressure, temperature, speed, when
Between and realize injection molding machine various program behaviors.Heating system is for heating cylinder and injection nozzle, injecting machine material tube one
As using electric heating coil be used as heating device, be mounted on barrel outside, be used in combination thermocouple segmentation detect.Heat passes through barrel heat conduction
Heat source is provided for material plasticizing；Cooling system is primarily used to cooling oil temperature, high oil temperature various faults can be caused to occur so
Oil temperature must be controlled.Another place needs cooling position near expects pipe feed opening, prevents raw material from being melted in feed opening, leads
Cause raw material cannot normal blanking.The safety device of injection molding machine be primarily used to protection people, machine safety device.
In the past, based on a kind of product of color, molding is simple, is easy to control the moulding process of injection molding, and now,
There is many double-colored or polychrome product, necessarily will appear double-colored or multicolour forming as a result, double-colored and multicolour forming mainly with
Two expects pipes of dual-color forming machine and more expects pipes of multicolour forming machine coordinate two molds and multiple sets of molds sequentially to pass through
It is molded twice and repeatedly and product is made.
It is more such as center rotary type tower polychrome to be disclosed in the patent document that Chinese Patent Application No. is 201010534979.2
Material vertical injection molding machine, including rack, clamping apparatus, liftout attachment and injecting systems；Clamping apparatus is filled equipped with center capstan head
It sets, center turret apparatus includes locating rod fixed plate, and capstan head locating rod is equipped in locating rod fixed plate, is set in capstan head locating rod
There is fixed seat, speed reducer is installed on the lower surface of fixed seat, hydraulic motor is installed on speed reducer, on the output shaft of speed reducer
Equipped with central rotating shaft, the upper end installing connecting rods of central rotating shaft are equipped with jig on connecting rod；Fixed seat is equipped with lifting hydraulic cylinder；
It is equipped with manipulator in the outside of mold installation position.Utilize the vertical injection molding machine and injection moulding process of the utility model, molding efficiency
Height, energy consumption is few, and the quality of shaped article is high.
But the molding of different product is such as carried out, the inserts on jig is needed replacing, and existing installation inserts is numb
Tired, installation site is inaccurate.And due to being provided with rotatable jig, when installing inserts on jig, cooled down more to allow
It is abundant, need that cooling duct is arranged on inserts, but install inserts be rotation, cooling line is usually fixed, such as
Fruit uses existing ordinary construction, then will appear the phenomenon that cooling water pipe is wound.Barrel and screw rod are plastics, rubber, silica gel etc.
Molding necessary device.Existing barrel and screw rod include mainly barrel, screw rod, material mouth seat and material mouth, in extrusion, spiral shell
Bar rotation will produce shear heat, be heated to the material of barrel, in addition, heating collar can generally be arranged on barrel, by adding
Gas ket heats the material in barrel, but in real process, once temperature is excessively high, existing barrel and screw rod can only lead to
It crosses natural cooling to cool down material, in this way, the used time is long, efficiency is low.
In addition, when injection molding machine is molded, the material in hopper is usually solid-like, if the material under room temperature is directly defeated
Entering into barrel, material needs to absorb a large amount of heat in barrel, it is therefore desirable to the temperature in barrel is higher, and cannot
Ensure that the temperature of charge in barrel is uniform.In addition, since material is in molten condition in barrel, good fluidity is stopping noting
After modeling, although injection molding machine stops pressurization, the raw material in barrel still has overbottom pressure, if blocking feeding mouth not in time, material can be from type
The feed inlet of chamber flows out, and forms curtain coating, influences the quality of product.At present using needle-valve sealed material mouth there are two types of main Types, one
Kind it is that needle-valve is set in material mouth, needle-valve top is matched with discharge port, needle-valve tail end setting spring, when injection molding, utilizes raw material
Pressure makes needle-valve compressed spring and rear shifting, and raw material can be by nozzle, after the completion of injection molding at this time, and injection molding machine stops pressurization, and spring is multiple
Position pushes needle-valve to close feed inlet.The advantages of this device is simple in structure, the disadvantage is that injection pressure must sufficiently high ability gram
The active force for taking spring, to open nozzle, high pressure can be such that raw material further heats, and lead to the chemical changes such as degradation, this dress
It sets and is not particularly suitable for the raw material that silica gel etc. needs low temperature to be molded.Another kind is to drive needle-valve using external force, this just needs a set of
Relative complex mechanical structure, this mode involve great expense, and maintenance cost is high.
Invention content
The purpose of this utility model is to provide a kind of center capstan head polychrome vertical injection molding machine, utilizes the vertical of the utility model
Injection molding machine can quickly mount and dismount inserts seat, the accurate positioning to inserts seat, to facilitate installation inserts；For expecting mouth
Structure, can individually control needle-valve and open and be closed, and when injection molding can cool down material mouth, stable and reliable for performance, to prevent raw material overheat and
Salivation；The release of realization finished product that can be more reliable.
In order to achieve the above objectives, a kind of center capstan head polychrome vertical injection molding machine, including rack, lower template, cope plate, mode locking
Plate, guide post, center capstan head, material injecting device and center capstan head stripper；Lower template is fixed on the rack, and cope plate is fixed on
The upper end of guide post, mode locking plate are located in rack, and guide rod is arranged across lower template, and mode locking plate is fixed on the lower end of guide post；
Mode-locking oil cylinder is installed in rack, the piston rod of Mode-locking oil cylinder is connected on mode locking plate；Center capstan head includes turntable；Its feature
It is：
Two or more locating slots are evenly distributed on the upper surface of turntable；It is equipped at least one locating slot embedding
Part seat；The inserts seat includes inserts fixed seat, inserts positioning seat and inserts briquetting；Inserts fixed seat includes inserts holding block
With the inserts limited block being located on inserts holding block, the width of inserts holding block is less than the width of inserts limited block, inserts holding
In locating slot, the lower surface of inserts limited block is contacted with the upper surface of turntable for block holding, is pacified between inserts fixed seat and turntable
Equipped with bolt；Inserts positioning seat is fixed on the outer end of inserts fixed seat, and the outer upper surface of inserts positioning seat is equipped with step groove,
The limiting slot extended downwardly is equipped on inserts positioning seat positioned at the inside of step groove, the position of step groove is located on inserts positioning seat
Install two or more the clamping grooves being connected to limiting slot；Inserts briquetting is equipped in step groove；
The material injecting device includes the first oil cylinder, the second oil cylinder, motor, guide rod, barrel component and hopper；First oil cylinder
There are two settings, and the first oil cylinder includes the first cylinder body and First piston bar, and the upper end of First piston bar is located in the first cylinder body, the
The lower end of one piston rod is fixed on cope plate, and the first connecting seat is equipped between the first cylinder body；There are two the settings of second oil cylinder,
Second oil cylinder includes the second cylinder body and second piston bar, and the upper end of second piston bar is located in the second cylinder body, second piston bar
Lower end is fixed on the first cylinder body, and the second connecting seat is equipped between the second cylinder body；Motor is mounted on the second connecting seat；Guide rod
On cope plate, it is equipped with the first guide holder on the first cylinder body, the second guide holder, guide rod sliding are equipped on the second cylinder body
Pass through the first guide holder and the second guide holder；
The material mouth includes that material mouth ontology, cover for seat, back seat and needle-valve, back seat are connected on one end of barrel, expects mouth sheet
For body equipped with material chamber and discharge port, material mouth ontology is located at one end of cover for seat, and back seat is located at the other end of cover for seat, and cover for seat is interior and expects mouth
One end of ontology connection is equipped with muzzle, and muzzle, cover for seat and back seat form cavity, piston are equipped in cavity, needle is fixed on piston
Valve, needle-valve pass through muzzle to be inserted into material chamber, the first air inlet that cover for seat is equipped with the first air flue and is communicated with the first air flue, the first gas
Road is communicated with cavity, and the first air flue is located at the side of piston, and back seat or cover for seat are equipped with the second air flue and are communicated with the second air flue
The second air inlet, the second air flue and cavity communicate, and the second air flue is located at the other side of piston, and back seat is equipped with first flow,
Cover for seat is equipped with second flow channel, and material mouth ontology is equipped with third flow channel, and first flow, second flow channel, third flow channel communicate, third
Runner is communicated with material chamber, and first flow, second flow channel and third flow channel form runner, and runner is provided with more than one；
Center capstan head stripper includes the first rest pad, the second rest pad, de- material oil cylinder, the first pushing block, the second pushing block
With de- material block；First rest pad and the second rest pad are mounted in lower template, and de- material oil cylinder is mounted on the first rest pad, and first
Pushing block is mounted on the piston rod of de- material oil cylinder, and slide bar is equipped between the first pushing block and the second pushing block, and sliding bar passes through
Second rest pad, de- material block are mounted on the second pushing block, and two or more direct through groove are equipped on de- material block.
Above-mentioned vertical injection molding machine and injection moulding process, due to being provided with locating slot, when installing inserts seat, as long as by inserts card
Block is set to snap onto in locating slot, and using locating slot to inserts holding block carry out laterally, longitudinal spacing, using inserts limited block and
The effect of disk upper surface limits inserts seat, is then bolted, therefore, can realize quickly positioning,
Installation and removal.Due to being provided with step groove, and be provided with clamping groove and limiting slot, inserts in the process, one end card of inserts
It sets in limiting slot, the tail end of inserts is placed in clamping groove, the fixation and limit of inserts can be realized by inserts briquetting, therefore
Inserts can be quickly mounted and dismounted, while reliable to the positioning of inserts.
In the present invention, discharge port can along uniform flow passage be reached by squeezing the material to come from injection molding machine, start to note
It when modeling, ventilates toward the first air inlet, piston drives needle-valve to move backward under the influence of air pressure, and needle-valve is detached with discharge port, complete
After injection molding, stops ventilating toward the first air inlet, ventilate toward the second air inlet, piston drives needle-valve forward under the influence of air pressure
Discharge port is closed in movement.This device response is timely, simple to operate, dependable performance.
In the present invention, due to being provided with center capstan head stripper, finished product can reliably be released.
Further, the hopper includes hopper basket and material blanking tube, and the upper end of material blanking tube is connected with the lower end of hopper basket,
The lower end of material blanking tube is connect with barrel；Heating plate is equipped in hopper basket, heating plate is equipped with notch, and polylith heating plate is crisscross
Setting, heating plate is interior to be equipped with cavity, and cavity runs through hopper basket side wall, heating element is equipped in cavity；It is set in the lower end of material blanking tube
There are Blanking breach and sliding slot, discharge duct is equipped with around Blanking breach, is located at Blanking breach and sliding slot pair in the inner wall of material blanking tube
The position answered is equipped with slide plate, and slide plate is equipped with slide bar.Due to being provided with heating plate in hopper basket, material enters in hopper basket
Afterwards, material can be preheated by multiple heating plates, and preheats uniform, the consumption of reduction barrel energy.
Further, the Step Shaft that the upper end of guide post has diameter small, cope plate is mounted on Step Shaft, in Step Shaft
It is upper that height-regulating ring is cased with below cope plate, it is turned up outside ring and is cased with clip.In the present invention, it is turned up due to being provided with
Therefore ring according to the requirement of injection molding, is turned up ring by replacement, can adjust the distance between bolster, expand the scope of application,
And the height-regulating ring of the structure, it is convenient to replace, and need not dismantle cope plate and can be realized.
Further, the material mouth ontology is equipped with protecgulum close to one end of discharge port, and the first water channel is equipped in material mouth ontology
With the second water channel, water cavity is equipped between protecgulum and material mouth ontology, the cover for seat is equipped with third water channel, the 4th water channel, water inlet
And water outlet, water inlet, third water channel and the first water channel communicate, the first water channel is communicated with water cavity；Second water channel, the 4th water channel and
Water outlet communicates, and the second water channel is communicated with water cavity.By the way that water channel and water cavity is arranged, cooling water can cool down the material in material mouth, just
In the temperature of control injection molding, to improve the quality of injecting products.
Further, protecgulum side is located on protecgulum and expects to be equipped with the second sealing ring chamber between this body side surface of mouth, second is close
Seal intracavitary is equipped with the second sealing ring；It is equipped with third sealing ring chamber between protecgulum end face and material mouth ontology end face, third is close
Seal intracavitary is equipped with third sealing ring；
It is located at around the second water channel between the end face that the material mouth ontology feeding mouth ontology is contacted with cover for seat and is equipped with the 4th
Sealing ring chamber, the 4th sealing ring intracavitary are equipped with the 4th sealing ring；Between the end face that material mouth ontology feeding mouth ontology is contacted with cover for seat
The first sealing ring chamber is equipped with around the first water channel, the first sealing ring intracavitary is equipped with the first sealing ring；Expect mouth ontology and seat
It is located at around third flow channel between the end face of set contact and is equipped with the tenth sealing ring chamber, the tenth sealing ring intracavitary is equipped with the tenth and seals
Circle；
The 6th sealing ring chamber, the 6th sealing are equipped on the muzzle between the outer surface and the inner surface of cover for seat of muzzle
It encloses intracavitary and is equipped with the 6th sealing ring, the 5th sealing ring chamber and the 7th sealing are equipped between the inner surface of muzzle and the outer surface of needle-valve
Chamber is enclosed, the 5th sealing ring intracavitary is equipped with the 5th sealing ring, and the 7th sealing ring intracavitary is equipped with the 7th sealing ring；
The 8th sealing ring chamber, the 8th sealing ring chamber are equipped between the outer surface and the inner surface of cover for seat of the piston upper piston
Inside it is equipped with the 8th sealing ring；
The 9th sealing ring chamber is equipped between the two sides that back seat is contacted with cover for seat on the back seat, the 9th sealing ring intracavitary is set
There is the 9th sealing ring；Between the both ends of the surface that back seat is contacted with cover for seat around first flow be equipped with the 11st sealing ring chamber, the 11st
Sealing ring intracavitary is equipped with the 11st sealing ring.By the way that sealing ring is arranged, sealing performance can be improved.
Further, the front end of the needle-valve is taper, and tail end is equipped with screw thread, and screw thread is equipped with nut, and needle-valve passes through spiral shell
Mother is fixed on piston.It is connected and fixed using nut, it is simple in structure, it is fixed reliable.
Further, the upper end of the material blanking tube is equipped with upper mounting plate, and lower end is equipped with lower installation board；The sliding slot includes axis
To sliding slot and radial groove；There is the slide bar big end and small end, small end to be slided along sliding slot, and big end is slided along blanking tube outer surface
It is dynamic；The top of the hopper basket is additionally provided with hopper cover；The lower end of the discharge duct is equipped with anti-slip tank；The bottom of close on the hopper basket
The side in portion is equipped with observation window.Upper mounting plate and lower installation board convenient for installing hopper basket and barrel respectively, and observation window is convenient for sight
Examine the height of material.
Further, ring is turned up to be made of two semi-rings, the clip is flexible collar.The structure, as long as by clip
It removes, is then easy for installation and removal and ring is turned up.
Description of the drawings
The schematic diagram of capstan head vertical injection molding machine centered on Fig. 1.
The rearview of capstan head vertical injection molding machine centered on Fig. 2.
The side schematic view of capstan head vertical injection molding machine centered on Fig. 3.
The vertical view of capstan head vertical injection molding machine centered on Fig. 4.
The schematic diagram of capstan head centered on Fig. 5.
Fig. 6 is the cooperation schematic diagram of turntable and inserts seat.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is the partial sectional view of inserts positioning seat and inserts briquetting.
Fig. 9 is the side schematic view of inserts positioning seat and inserts briquetting.
Figure 10 is the schematic diagram of cooling device.
Figure 11 is the schematic diagram of barrel component.
Figure 12 is the sectional view of barrel component.
Figure 13 is the sectional view for expecting mouth air flue and water channel.
Figure 14 is the sectional view for expecting mouth runner.
Figure 15 is the structural schematic diagram for expecting mouth.
Figure 16 is the stereogram of hopper.
Figure 17 is the vertical view of hopper.
Figure 18 is A-A sectional views in Figure 17.
Figure 19 is B-B sectional views in Figure 17.
The schematic diagram of capstan head stripper centered on Figure 20.
The vertical view of capstan head stripper centered on Figure 21.
Figure 22 is the schematic diagram of de- material block.
Figure 23 is the schematic diagram that ring is turned up.
Specific implementation mode
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in Figures 1 to 4, center capstan head polychrome vertical injection molding machine includes rack 1, lower template 2, cope plate 3, mode locking plate
4, guide post 5, center capstan head 6, material injecting device 7 and center capstan head stripper 8.
Rack 1 is made of bottom plate 11, top plate 12 and riser 13, and riser 13 is located between bottom plate 11 and top plate 12.
Lower template 2 is fixed on top plate 12, and cope plate 3 is fixed on the upper end of guide post 5, and mode locking plate 4 is located in rack,
Top plate 12 is equipped with guide sleeve, and guide rod 5 passes through lower template 2 and guide sleeve to be arranged, and mode locking plate 4 is fixed on the lower end of guide post 5；In machine
Mode-locking oil cylinder 41 is installed, the piston rod 411 of Mode-locking oil cylinder 41 is connected on mode locking plate 4 on frame 1；When Mode-locking oil cylinder work, lock
The piston rod 411 of mould oil cylinder drives mode locking plate 4 to move up and down, and mode locking plate 4 drives cope plate 3 to move up and down by guide rod 5.?
Ejection cylinder 42 is installed, the piston rod 421 of ejection cylinder passes through top plate and lower template 2 on the cylinder body of Mode-locking oil cylinder.
As shown in figure 5, center capstan head 6 includes locating rod fixed plate 61, locating rod 62, fixed seat 63, positioning disk 64, lifting
Oil cylinder 65, rotation driving 66, column spinner 67 and turntable 68.
The lower end of locating rod 62 is fixed in locating rod fixed plate 61, and fixed seat 63 is located at the upper of locating rod fixed plate 61
Side, what locating rod 62 was slided passes through fixed seat 63 and stretches out fixed seat 63.Rotation driving 66 includes hydraulic motor 661 and speed reducer
662, speed reducer 662 is fixed in fixed seat 63, the output shaft of hydraulic motor 661 and the input axis connection of speed reducer.Lifting oil
The cylinder body of cylinder 65 is fixed in fixed seat 63, and the piston rod upper end of lifting cylinder 65 is connected in lower template 2, lifting cylinder 65
Piston-rod lower end is connected in locating rod fixed plate 61；It is equipped with first through hole in the center of fixed seat 63, in first through hole
Equipped with bearing, the lower end of column spinner 67 is mounted in bearing, the lower end of column spinner 67 and the output axis connection of speed reducer 662；It is fixed
Position disk 64 is fixed on column spinner 67, and positioning disk 64 is equipped with axle sleeve between fixed seat and lower template on positioning disk 64
641, upper end and the axle sleeve 641 of locating rod coordinate；It is equipped with the second through-hole in the center of lower template 2, is set in the second through-hole
There are linear bearing 21, column spinner 67 to be upward through linear bearing 21, turntable 68 is installed in the upper end of column spinner 67.
As shown in Figures 6 to 9, two or more locating slots 681 are evenly distributed on the upper surface of turntable 68；At least
Inserts seat 69 is installed on one locating slot 681；The inserts seat 69 includes inserts fixed seat 691,692 and of inserts positioning seat
Inserts briquetting 693；Inserts fixed seat 691 includes inserts holding block 6911 and the inserts limited block being located on inserts holding block 6911
6912, the width of inserts holding block 6911 is less than the width of inserts limited block 6912, and 6911 holding of inserts holding block is in locating slot
In 681, the lower surface of inserts limited block 6912 is contacted with the upper surface of turntable 68, is pacified between inserts fixed seat 691 and turntable 68
Equipped with bolt 694；Inserts positioning seat 692 is fixed on the outer end of inserts fixed seat 691, the outer upper surface of inserts positioning seat 692
Equipped with step groove 6921, the limiting slot 6922 extended downwardly is equipped with positioned at the inside of step groove on inserts positioning seat, in inserts
Positioned at the position of step groove equipped with two or more the clamping grooves 6923 being connected to limiting slot on positioning seat；In step groove 6921
Equipped with inserts briquetting 693.
The center of turntable 68 be equipped with cooling device 610, the cooling device 610 include central shaft 6101, into
Go out pipeline 6102 and revolving sleeve 6103；It is equipped with third through-hole in the center of cope plate 3, it is logical positioned at third on cope plate 3
Hole is externally provided with fixing sleeve, and what inlet and outlet piping 6102 slided passes through fixing sleeve, central shaft 6101 to be mounted under inlet and outlet piping 6102
End, revolving sleeve 6103 are sleeved on outside central shaft 6101, and bearing (not shown) is equipped between central shaft 6101 and revolving sleeve 6103, in
Mandrel 6101 has the axially extending intake tunnel 61011 and exhalant canal 61012 communicated with inlet and outlet piping 6102, at center
Axis 6101 is equipped with the inlet opening 61013 communicated with intake tunnel that radially extends, be equipped on center shaft radially extend with
The apopore 61014 that exhalant canal communicates；Annular intake chamber 6104 and ring are equipped between central shaft 6101 and revolving sleeve 6103
Shape effluent trough 6105 is equipped with water supply connector 61031 and backwater joint 61032, in central shaft and revolving sleeve on revolving sleeve 6103
Between be located above and below annular intake chamber and annular effluent trough and be respectively equipped with sealing ring, play the role of sealing, intake
Connector is connected to by connecting tube of intaking with inserts positioning seat, and water outlet connector is connected to by being discharged connecting tube with inserts positioning seat.
As shown in Figures 1 to 4, the material injecting device 7 includes the first oil cylinder 71, the second oil cylinder 72, motor 73, guide rod
74, barrel component 75 and hopper 76.
There are two the settings of first oil cylinder 71, and the first oil cylinder 71 includes the first cylinder body and First piston bar, First piston bar
Upper end is located in the first cylinder body, and the lower end of First piston bar is fixed on cope plate 3, and the first connection is equipped between the first cylinder body
Seat 77；There are two the settings of second oil cylinder 72, and the second oil cylinder 72 includes the second cylinder body and second piston bar, the upper end of second piston bar
It is located in the second oil cylinder, the lower end of second piston bar is fixed on the first cylinder body, and the second connecting seat is equipped between the second cylinder body
78；Motor 73 is mounted on the second connecting seat 78；Guide rod 74 is mounted on cope plate 3, and first is equipped on the first cylinder body and is oriented to
Seat 711, is equipped with the second guide holder 721 on the second cylinder body, and what guide rod 74 slided passes through the first guide holder 711 and the second guide holder
721。
As is illustrated by figs. 11 and 12, barrel component 75 includes barrel 1a, screw rod 2a, material mouth seat 3a, material mouth 4a, transmission shaft
7a, heating collar 8a, heat shield 9a, fan 10a and temperature sensor 11a.
Barrel 1a is passed through and is fixed on the first connecting seat 77, locking nut 13a is equipped on barrel 1a, on barrel 1a
It is equipped with Anti-loosening nut 14a positioned at the side of locking nut 13a, prevents barrel from being unclamped from the first connecting seat 77.
Screw rod 2a is extend into from one end of barrel 1a in barrel 1a；Expect that mouth seat 3a is mounted on the other end of barrel 1a, expects mouth
On 4a installation material mouth seats 3a.Motor 73 is connect by transmission shaft 7a with screw rod 2a.
It is cased with two or more heating collar 8a outside barrel 1a, in the present embodiment, is provided with 8 heating collar 8a, it is adjacent
Heating collar between have gap, temperature sensor 11a is equipped on heating collar 8a, is set respectively positioned at the position at both ends on barrel
There is temperature sensor 11a, for detecting temperature；It is externally provided with heat shield 9a in heating collar 1a, between the end face barrel of heat shield 9a
For opening, cavity is formed between heat shield 9a and heating collar 8a, fan corresponding with heating collar position is equipped on heat shield
10a。
One end that material mouth is located remotely from barrel 1a is cased with cooling ring 12a.It is cold to entering the progress of the material in barrel
But.
After material enters in barrel, the rotation of screw rod makes material generate shear heat, while being carried out by heating collar
Heating carries out thermometric by temperature sensor to material, if temperature is excessively high, forced cooling is carried out by fan, when fan opens
After dynamic, extraneous wind enters through fan, is flowed out from the both ends of heat shield, in this way, the efficiency of cooling can be improved, can preferably control
Temperature processed.
As shown in FIG. 13 to 15, the material mouth 4a includes protecgulum 1b, material mouth ontology 2b, muzzle 3b, cover for seat 6b, piston
5b, needle-valve 4b, back seat 7b, nut 9b and screw rod 8b.
It is located on protecgulum 1b between the sides protecgulum 1b and the sides material mouth ontology 2b and is equipped with the second sealing ring chamber 12b, before is located at
It covers between the end faces 1b and the end faces material mouth ontology 2b and is equipped with third sealing ring chamber 13b.
Expect that mouth ontology 2b is equipped with material chamber 21b, discharge port 22b, third flow channel 25b, the first water channel 23b and the second water channel
27b expects to be located at around the second water channel 27b equipped with the 4th sealing ring chamber 24b between the end face that mouth ontology 2b is contacted with cover for seat 6b,
It is located at around the first water channel 23b between the end face that material mouth ontology 2b is contacted with cover for seat 6b and is equipped with the first sealing ring chamber 28b, expects mouth
It is located at around second flow channel 62b between the end face that ontology 2b is contacted with cover for seat 6b and is equipped with the tenth sealing ring chamber 210b.
The 6th sealing ring chamber 32b, muzzle 3b are equipped on muzzle 3b between the outer surface of muzzle 3b and the inner surface of cover for seat b6
Inner surface and the outer surface of needle-valve 4b between be equipped with the 5th sealing ring chamber 31b and the 7th sealing ring chamber 33b.
Cover for seat 6b is equipped with the first air flue 67b, the first air inlet 68b, third water channel 64b, the 4th water channel 69b, water inlet
65b and water outlet 66b.
The 8th sealing ring chamber 51b is equipped between the outer surface and the inner surface of cover for seat 6b of piston 5b upper pistons 5b.
Back seat 7b is equipped with first flow 72b, the second air flue 73b and the second air inlet 74b, back seat 7b are contacted with cover for seat 6b
Two sides between be equipped with the 9th sealing ring chamber 75b, positioned at first flow 72b between the both ends of the surface that back seat 7b contact with cover for seat 6b
Around be equipped with the 11st sealing ring chamber 77b.On back seat 7b installation barrels.
When assembling, the 6th sealing ring 35 is packed into the 6th sealing ring chamber 32b on muzzle 3b, by the 5th sealing ring 34b dresses
Enter the 5th sealing ring chamber 31b, the 7th sealing ring 36b is packed into the 7th sealing ring chamber 33b, then muzzle 3 is packed on cover for seat 6b；
The 4th sealing ring 26b is packed into the 4th sealing ring chamber 24b again, the tenth sealing ring 211b is packed into the tenth sealing ring chamber 210b, it will
First sealing ring 29b is packed into the first sealing ring chamber 28b, and cover for seat 6b and material mouth ontology are assembled together, make the first water channel 23b and
Third water channel 64b is communicated, and the second water channel 27b and the 4th water channel 69b is made to communicate.The tail end of needle-valve 4b is inserted into piston 5b, uses spiral shell
Needle-valve 4b is fixed on piston 5b by female 9b, by the 8th sealing ring 52b in the 8th sealing ring chamber 51b on piston 5b, then
Piston 5b is packed into the cavity 61b of cover for seat 6b, the material chamber 21b for making the top of needle-valve 4b that muzzle 3b be passed through to stretch into material mouth ontology 2b
It is interior.9th sealing ring 76b is packed into the 9th sealing ring chamber 75b on back seat 7b, the 11st sealing ring 78b is packed into back seat 7b
In upper 11st sealing ring chamber 77b, then back seat 7b is connected with cover for seat 6b, first flow 72b is made to be communicated with second flow channel 62b.
Second sealing ring 14b is packed into the second sealing ring chamber 12b on protecgulum 2b, third sealing ring 15b is packed on protecgulum 2b
In third sealing ring chamber 13b, then protecgulum b1 is sleeved on material mouth ontology 2b, screw rod 8b is sequentially passed through into protecgulum 1b, material mouth
Ontology 2b, cover for seat 6b are fixed on back seat 7b.
Above-mentioned material mouth is fixed on the barrel of injection molding machine, when starting injection molding, leads to cooling water, cooling water toward water inlet 65b
It flows through third water channel 64b and the first water channel 23b and enters water cavity 11b, then through the second water channel 27b and the 4th water channel 69b, from water outlet
66b flows out.Lead to compressed gas toward the first air inlet 68b, gas enters cavity 61b, and piston 5b is under the influence of air pressure toward back seat
The directions 7b move, and needle-valve 4b is detached from the contact of feeding mouth 22b at this time.Screw in injection molding machine squeezes out material, and material flows through first
Runner 72b, second flow channel 6b2 and third flow channel 25b are squeezed out, into mold into pan feeding chamber 21b from discharge port 22b.Injection molding is completed
Afterwards, stop leading to compressed gas toward the first air inlet 68b, lead to compressed gas toward the second air inlet 74b, gas enters cavity 61b, living
It fills in 5b to move toward the directions muzzle 3b under the influence of air pressure, needle-valve 4b is pushed to seal discharge port 22b.Prevent material from discharge port
22b flows out, and causes to salivate.First flow 72b, second flow channel 62b and third flow channel 25b form runner, runner be arranged one with
On, preferably even numbers is arranged symmetrically, and with balanced material pressure, extends material mouth service life.Above scheme is arranged, simple in structure, has
Effect reduces the cost using complex mechanical structure control needle-valve, and by the way that cooling water channel is arranged, especially suitable silica type needs low temperature
The material of injection molding can significantly improve injecting products quality.
As shown in Figure 16 to Figure 19, the hopper 76 includes hopper basket 761 and material blanking tube 762, the upper end of material blanking tube 762
Equipped with upper mounting plate, 762 lower end of material blanking tube is equipped with lower installation board, and upper mounting plate is installed to the bottom of hopper basket 761, lower installation board
It is installed on barrel；Heating plate 763 is equipped in hopper basket 761, heating plate 763 is equipped with notch, and polylith heating plate is crisscross
Setting, heating plate 763 is interior to be equipped with cavity 7631, and cavity 7631 runs through 761 side wall of hopper basket, heating element is equipped in cavity 7631
(not shown)；It is equipped with Blanking breach 7621 and sliding slot 7622 in the lower end of material blanking tube 762, discharge duct is equipped with around Blanking breach
764, it is located at Blanking breach in the inner wall of material blanking tube and the corresponding position of sliding slot is equipped with slide plate 765, slide plate 765 is equipped with slide bar
766.The sliding slot 7622 includes axial slide and radial groove；There is the slide bar big end and small end, small end to be slided along sliding slot,
Big end is slided along blanking tube outer surface；The top of the hopper basket is additionally provided with hopper cover, plays dust-proof effect；The discharge duct
Lower end be equipped with anti-slip tank 7641；It is equipped with observation window 766 close to the side of bottom on the hopper basket, convenient for observation hopper basket
Interior material.
The hopper construction of the utility model opens heating element, passes through heating element after material enters in hopper basket
Heat the material in hopper basket can be preheated, and due in hopper basket be equipped with crisscross multiple heating plates, because
This, to the homogeneous heating of material.It such as needs to lay down the material in hopper basket, pulls slide bar upwards, slide bar drives vane motion, falls
Expect that notch is opened, material lays down from discharge duct, and in discharge process, it will usually in discharge duct upper connector road, when provided with
After anti-slip tank, connecting pipe is not easy to fall off.
As shown in Figure 20 to Figure 22, center capstan head stripper 8 includes the first rest pad 81, the second rest pad 82, de- material
Oil cylinder 83, the first pushing block 84, the second pushing block 85 and de- material block 86；First rest pad 81 and the second rest pad 82 are mounted on lower template
On 2, de- material oil cylinder 83 is mounted on the first rest pad 81, and the first pushing block 84 is mounted on the piston rod of de- material oil cylinder 83, the
Slide bar 87 is equipped between one pushing block 84 and the second pushing block 85, what slide bar 87 slided passes through the second rest pad 85, de- material block 86 to install
On the second pushing block 85, two or more direct through groove 861 are equipped on de- material block.
As shown in figure 23, the Step Shaft 50 that the upper end of guide post 5 has diameter small, cope plate 3 are mounted on Step Shaft 50,
It is cased with positioned at the lower section of cope plate 3 on Step Shaft 50 and ring 91 is turned up, be turned up outside ring and be cased with clip 92, ring is turned up by two semi-rings
Composition, the clip are flexible collar, and certain clip may be synanche clip.The structure, it is as long as clip is removed, then square
Just ring is turned up in installation and removal.
The injection moulding process of center capstan head polychrome vertical injection molding machine, it is characterised in that：
(1) it is located at outside turntable between lower template and cope plate and m molds is installed, it is a embedding installs m+1 on turntable for m >=2
Part seat installs inserts on inserts seat.
(2) mode locking plate is driven to move downward by Mode-locking oil cylinder, mode locking plate drives cope plate to move downward by guide rod,
Realize the molding of mold.
(3) material feeding into mold by material injecting device, specific process are：Material is added in hopper basket, to heating
Plate is powered, and material is allowed to be preheated in hopper basket；Be passed through compressed gas from the first air inlet, piston under the action of compressed gas to
Upper movement, piston driving needle-valve move upwards, and discharge port is opened；Then start the first oil cylinder, the first cylinder body is allowed to drive the second oil
Cylinder, the second connecting seat, barrel, screw rod and motor are moved downward along guide rod, and material mouth is allowed to be contacted with mold；Start motor, motor
Screw rod rotation, preheated material is driven to be entered in barrel from material blanking tube, convey material downwards under the action of screw rod, connect
It and starts the second oil cylinder, drive screw rod to move along a straight line downwards by the second oil cylinder, material is squeezed into from discharge port in mold；?
It in shot process, is heated by heating collar, carry out thermometric to material by temperature sensor passes through if temperature is excessively high
Fan carries out forced cooling, and after starting fan, extraneous wind enters through fan, is flowed out from the both ends of heat shield；When material is noted
After the completion of material, it is passed through compressed gas from the second air inlet, piston moves downward under the action of compressed gas, piston driving needle-valve
It moves downward, needle-valve blocks discharge port.
(4) postcooling is completed in material feeding.
(5) it molds；Start Mode-locking oil cylinder, Mode-locking oil cylinder drives mode locking plate to move upwards, and mode locking plate is driven by guide rod
Cope plate moves upwards, and cope plate drives upper mold to move upwards, and realizes die sinking.
(6) after molding, the semi-finished product being molded is transported in adjacent mold under the action of the capstan head of center and are molded,
Finished product taking-up action is carried out by center capstan head stripper simultaneously；The working method of center capstan head is：Start lifting cylinder, rises
Dropping oil cylinder drives fixed seat to rise, and fixed seat drives rotation driving, column spinner, positioning disk, turntable to move upwards, and makes positioning disk de-
From locating rod, then start rotation driving, rotation drive belt is dynamic to drive swingle, positioning disk and turntable rotation, driven by rotary disc embedding
Part seat rotates；After being rotated in place, lifting cylinder drives rotation driving, column spinner, positioning disk, turntable to move downward, and locating rod is inserted
Enter onto positioning disk；Finished product taking-up acts：Start de- material oil cylinder, de- material oil cylinder drives the movement of the first pushing block, the first pushing block band
Moving slide-bar slides on the second rest pad, and slide bar drives the movement of the second pushing block, the second pushing block that the movement of de- material block, finished product is driven to be located at
Positioned at the outside of direct through groove, drop finished product is released from inserts under the action of de- material block.
(7) it repeats the above steps (2), (3), (4), (5) and (6).
Above-mentioned vertical injection molding machine and injection moulding process, due to being provided with locating slot, when installing inserts seat, as long as by inserts card
Block is set to snap onto in locating slot, and using locating slot to inserts holding block carry out laterally, longitudinal spacing, using inserts limited block and
The effect of disk upper surface limits inserts seat, is then bolted, therefore, can realize quickly positioning,
Installation and removal.Due to being provided with step groove, and be provided with clamping groove and limiting slot, inserts in the process, one end card of inserts
It sets in limiting slot, the tail end of inserts is placed in clamping groove, the fixation and limit of inserts can be realized by inserts briquetting, therefore
Inserts can be quickly mounted and dismounted, while reliable to the positioning of inserts.
Due to being provided with central shaft, inlet and outlet piping and revolving sleeve, revolving sleeve follows some rotations of turntable, and coolant liquid is from disengaging
Pipeline enters in central shaft, then annular disengaging sink is entered through disengaging aquaporin, paddle hole, in the conversion of revolving sleeve
Under effect, the cooling to inserts seat is realized, due to being provided with annular disengaging sink, cooling liquid energy is in central shaft and revolution
The intersexuality liquid communication of set, and revolving sleeve follows turntable to rotate, the phenomenon that avoiding pipeline from winding.
In the present invention, discharge port can along uniform flow passage be reached by squeezing the material to come from injection molding machine, start to note
It when modeling, ventilates toward the first air inlet, piston drives needle-valve to move backward under the influence of air pressure, and needle-valve is detached with discharge port, complete
After injection molding, stops ventilating toward the first air inlet, ventilate toward the second air inlet, piston drives needle-valve forward under the influence of air pressure
Discharge port is closed in movement.This device response is timely, simple to operate, dependable performance.
It can be to object by multiple heating plates after material enters in hopper basket due to being provided with heating plate in hopper basket
Material is preheated, and preheats uniform, the consumption of reduction barrel energy.
In the present invention, due to being provided with center capstan head stripper, finished product can reliably be released.
In the present invention, due to being provided with height-regulating ring, according to the requirement of injection molding, ring, energy are turned up by replacement
The distance between bolster is adjusted, the scope of application, and the height-regulating ring of the structure are expanded, it is convenient to replace, and need not dismantle
Template can be realized.
Claims (8)
1. a kind of center capstan head polychrome vertical injection molding machine, including rack, lower template, cope plate, mode locking plate, guide post, center turn
Tower, material injecting device and center capstan head stripper；Lower template is fixed on the rack, and cope plate is fixed on the upper end of guide post, lock
Template is located in rack, and guide rod is arranged across lower template, and mode locking plate is fixed on the lower end of guide post；Lock is installed in rack
The piston rod of mould oil cylinder, Mode-locking oil cylinder is connected on mode locking plate；Center capstan head includes turntable；It is characterized in that：
Two or more locating slots are evenly distributed on the upper surface of turntable；Inserts is installed at least one locating slot
Seat；The inserts seat includes inserts fixed seat, inserts positioning seat and inserts briquetting；Inserts fixed seat include inserts holding block and
The inserts limited block being located on inserts holding block, the width of inserts holding block are less than the width of inserts limited block, inserts holding block
In locating slot, the lower surface of inserts limited block is contacted with the upper surface of turntable for holding, is installed between inserts fixed seat and turntable
There is bolt；Inserts positioning seat is fixed on the outer end of inserts fixed seat, and the outer upper surface of inserts positioning seat is equipped with step groove, embedding
The limiting slot extended downwardly is equipped on part positioning seat positioned at the inside of step groove, the position of step groove is located on inserts positioning seat
Equipped with two or more the clamping grooves being connected to limiting slot；Inserts briquetting is equipped in step groove；
The material injecting device includes the first oil cylinder, the second oil cylinder, motor, guide rod, barrel component and hopper；First oil cylinder is arranged
There are two, the first oil cylinder includes the first cylinder body and First piston bar, and the upper end of First piston bar is located in the first cylinder body, and first lives
The lower end of stopper rod is fixed on cope plate, and the first connecting seat is equipped between the first cylinder body；There are two the settings of second oil cylinder, and second
Oil cylinder includes the second cylinder body and second piston bar, and the upper end of second piston bar is located in the second cylinder body, the lower end of second piston bar
It is fixed on the first cylinder body, the second connecting seat is equipped between the second cylinder body；Motor is mounted on the second connecting seat；Guide rod is installed
On cope plate, it is equipped with the first guide holder on the first cylinder body, the second guide holder is equipped on the second cylinder body, guide rod sliding is worn
Cross the first guide holder and the second guide holder；
The barrel component includes material mouth, and the material mouth includes that material mouth ontology, cover for seat, back seat and needle-valve, back seat are connected to
On one end of barrel, material mouth ontology is equipped with material chamber and discharge port, and material mouth ontology is located at one end of cover for seat, and back seat is located at cover for seat
The other end, the interior one end being connect with material mouth ontology of cover for seat are equipped with muzzle, and muzzle, cover for seat and back seat form cavity, be equipped in cavity
Piston is fixed with needle-valve on piston, and needle-valve passes through muzzle to be inserted into material chamber, and cover for seat is equipped with the first air flue and is communicated with the first air flue
The first air inlet, the first air flue communicates with cavity, and the first air flue is located at the side of piston, and back seat or cover for seat are equipped with the second gas
Road and the second air inlet communicated with the second air flue, the second air flue and cavity communicate, and the second air flue is located at the other side of piston, after
Seat be equipped with first flow, cover for seat be equipped with second flow channel, material mouth ontology be equipped with third flow channel, first flow, second flow channel,
Third flow channel communicates, and third flow channel is communicated with material chamber, and first flow, second flow channel and third flow channel form runner, runner setting
There are one more than；
Center capstan head stripper includes the first rest pad, the second rest pad, de- material oil cylinder, the first pushing block, the second pushing block and takes off
Expect block；First rest pad and the second rest pad are mounted in lower template, and de- material oil cylinder is mounted on the first rest pad, the first pushing block
On the piston rod of de- material oil cylinder, slide bar is equipped between the first pushing block and the second pushing block, sliding bar passes through second
Rest pad, de- material block are mounted on the second pushing block, and two or more direct through groove are equipped on de- material block.
2. capstan head polychrome vertical injection molding machine in center according to claim 1, it is characterised in that：The hopper includes hopper
Basket and material blanking tube, the upper end of material blanking tube are connected with the lower end of hopper basket, and the lower end of material blanking tube is connect with barrel；It is set in hopper basket
There are heating plate, heating plate to be equipped with notch, the crisscross setting of polylith heating plate, heating plate is interior to be equipped with cavity, and cavity runs through hopper
Basket side wall, cavity is interior to be equipped with heating element；It is equipped with Blanking breach and sliding slot in the lower end of material blanking tube, is equipped with around Blanking breach
Discharge duct is located at Blanking breach in the inner wall of material blanking tube and the corresponding position of sliding slot is equipped with slide plate, and slide plate is equipped with slide bar.
3. capstan head polychrome vertical injection molding machine in center according to claim 1, it is characterised in that：The upper end of guide post has straight
The small Step Shaft of diameter, cope plate are mounted on Step Shaft, are located at below cope plate on Step Shaft and are cased with height-regulating ring, ring is turned up
It is cased with clip outside.
4. capstan head polychrome vertical injection molding machine in center according to claim 1, it is characterised in that：The material mouth ontology close to go out
One end of material mouth is equipped with protecgulum, and the first water channel and the second water channel are equipped in material mouth ontology, water is equipped between protecgulum and material mouth ontology
Chamber, the cover for seat are equipped with third water channel, the 4th water channel, inlet and outlet, water inlet, third water channel and the first water channel phase
Logical, the first water channel is communicated with water cavity；Second water channel, the 4th water channel and water outlet communicate, and the second water channel is communicated with water cavity.
5. center capstan head polychrome vertical injection molding machine according to claim 4, it is characterised in that：On protecgulum be located at protecgulum side with
Expect to be equipped with the second sealing ring chamber between this body side surface of mouth, the second sealing ring intracavitary is equipped with the second sealing ring；Positioned at protecgulum end face with
Expect to be equipped with third sealing ring chamber between mouth ontology end face, third sealing ring intracavitary is equipped with third sealing ring；
It is located between the end face that the material mouth ontology feeding mouth ontology is contacted with cover for seat around the second water channel and is equipped with the 4th sealing
Chamber is enclosed, the 4th sealing ring intracavitary is equipped with the 4th sealing ring；It is located between the end face that material mouth ontology feeding mouth ontology is contacted with cover for seat
The first sealing ring chamber is equipped with around first water channel, the first sealing ring intracavitary is equipped with the first sealing ring；Material mouth ontology connects with cover for seat
It is located at around third flow channel between tactile end face and is equipped with the tenth sealing ring chamber, the tenth sealing ring intracavitary is equipped with the tenth sealing ring；
The 6th sealing ring chamber, the 6th sealing ring chamber are equipped on the muzzle between the outer surface and the inner surface of cover for seat of muzzle
It is inside equipped with the 6th sealing ring, the 5th sealing ring chamber and the 7th sealing ring are equipped between the inner surface of muzzle and the outer surface of needle-valve
Chamber, the 5th sealing ring intracavitary are equipped with the 5th sealing ring, and the 7th sealing ring intracavitary is equipped with the 7th sealing ring；
The 8th sealing ring chamber is equipped between the outer surface and the inner surface of cover for seat of the piston upper piston, the 8th sealing ring intracavitary is set
There is the 8th sealing ring；
The 9th sealing ring chamber is equipped between the two sides that back seat is contacted with cover for seat on the back seat, the 9th sealing ring intracavitary is equipped with the
Nine sealing rings；The 11st sealing ring chamber, the 11st sealing are equipped between the both ends of the surface that back seat is contacted with cover for seat around first flow
It encloses intracavitary and is equipped with the 11st sealing ring.
6. capstan head polychrome vertical injection molding machine in center according to claim 1, it is characterised in that：The front end of the needle-valve is cone
Shape, tail end are equipped with screw thread, and screw thread is equipped with nut, and needle-valve is fixed on by nut on piston.
7. capstan head polychrome vertical injection molding machine in center according to claim 2, it is characterised in that：The upper end of the material blanking tube is set
There are upper mounting plate, lower end to be equipped with lower installation board；The sliding slot includes axial slide and radial groove；The slide bar have big end and
Small end, small end are slided along sliding slot, and big end is slided along blanking tube outer surface；The top of the hopper basket is additionally provided with hopper cover；It is described
The lower end of discharge duct is equipped with anti-slip tank；On the hopper basket observation window is equipped with close to the side of bottom.
8. capstan head polychrome vertical injection molding machine in center according to claim 3, it is characterised in that：Ring is turned up by two semi-ring groups
At the clip is flexible collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645934.6U CN208020607U (en) | 2017-11-30 | 2017-11-30 | A kind of center capstan head polychrome vertical injection molding machine |
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|---|---|---|---|
| CN201721645934.6U CN208020607U (en) | 2017-11-30 | 2017-11-30 | A kind of center capstan head polychrome vertical injection molding machine |
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| CN208020607U true CN208020607U (en) | 2018-10-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117900320A (en) * | 2024-03-07 | 2024-04-19 | 佛山市定中机械有限公司 | Multi-station pull ring cover forming equipment and process for vertical turntable structure |
-
2017
- 2017-11-30 CN CN201721645934.6U patent/CN208020607U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117900320A (en) * | 2024-03-07 | 2024-04-19 | 佛山市定中机械有限公司 | Multi-station pull ring cover forming equipment and process for vertical turntable structure |
| CN117900320B (en) * | 2024-03-07 | 2024-05-24 | 佛山市定中机械有限公司 | Multi-station pull ring cover forming equipment and process for vertical turntable structure |
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