CN207509650U - A kind of band collar plate shape independence open mold ejecting mechanism - Google Patents

Abstract

The utility model discloses a kind of band collar plate shape independence open mold ejecting mechanisms, including disk fixed seat, the guide rod of two or more is fixed in disk fixed seat, ejection cylinder is installed in the lower end of guide rod, sliding panel is slidably fitted on guide rod, the mandril of two or more is installed on sliding panel；The body of rod in rack is installed, two lantern rings slided are equipped on the body of rod, lantern ring is equipped with retaining mechanism, position sensor is installed on lantern ring；Lantern ring is spline fitted with the body of rod.Using the structure of the utility model, mandril can be allowed to synchronize ejection, while stroke when mandril moves can be adjusted.

Description

A kind of band collar plate shape independence open mold ejecting mechanism

Technical field

The utility model is related to injection molding machines, especially ejecting mechanism.

Background technology

In injection molding process, after completing to be molded, need product from mold ejection, therefore, ejecting mechanism is Most of injection molding machine indispensability, existing ejecting mechanism is all individual mandril, it is impossible to be synchronized with the movement, therefore, give ejection band Many inconvenience is carried out.

Invention content

The purpose of this utility model is to provide a kind of band collar plate shape independence open mold ejecting mechanism, utilizes the utility model Structure can allow mandril to synchronize ejection, while can adjust stroke when mandril moves.

In order to achieve the above objectives, a kind of band collar plate shape independence open mold ejecting mechanism, including disk fixed seat, consolidates in disk The guide rod of two or more is fixed in reservation, ejection cylinder is installed in the lower end of guide rod, slip is slidably fitted on guide rod Plate is equipped with the mandril of two or more on sliding panel；The body of rod in rack is installed, two sets slided are equipped on the body of rod Ring, lantern ring are equipped with retaining mechanism, position sensor are installed on lantern ring；Lantern ring is spline fitted with the body of rod.

Above structure drives sliding panel to move by an ejection cylinder, and sliding panel drives mandril movement so that top plate energy Synchronous ejection improves ejection quality, in addition, the formation of sliding panel movement is detected by position sensor, when there is provided after lantern ring, Facilitate the position of adjustment position sensor.Lantern ring is spline fitted with the body of rod, and lantern ring is avoided to rotate, and improves accuracy of detection.

Further, the retaining mechanism is lock-screw, and the lock-screw acted on the body of rod is equipped on lantern ring.Spiral shell Nail is convenient for the position of adjustment collar.

Further, the lantern ring is merged by two semi-rings, and clip is provided with outside lantern ring, and the clip is Flexible collar or synanche clip.Using semi-loop, one end mounting collar from the body of rod is not needed to, diameter is by semi-ring holding to bar On the outer wall of body, then being fixed with clip can be, it can be achieved that quickly installation and removal.

Description of the drawings

Fig. 1 is the schematic diagram with collar plate shape independence open mold injection molding machine.

Fig. 2 is the side schematic view with collar plate shape independence open mold injection molding machine.

Fig. 3 is the structure chart for removing material injecting device.

Fig. 4 is the vertical view of Fig. 3.

Fig. 5 is the structure chart with collar plate shape independence open mold injection molding machine A openings, the ejection of A mandrils.

Fig. 6 is that band collar plate shape independence open mold injection molding machine A, B are opened simultaneously, the structure chart of the mandril ejection simultaneously of A, B.

Fig. 7 is the structure chart with collar plate shape independence open mold injection molding machine B openings, the ejection of B mandrils.

Fig. 8 is the schematic diagram of barrel component.

Fig. 9 is the sectional view of barrel component.

Figure 10 is the sectional view for expecting mouth air flue and water channel.

Figure 11 is the sectional view for expecting mouth runner.

Figure 12 is the structure diagram for expecting mouth.

Figure 13 is the stereogram of hopper.

Figure 14 is the vertical view of hopper.

Figure 15 is A-A sectional views in Figure 14.

Figure 16 is B-B sectional views in Figure 14.

Figure 17 is the schematic diagram of ejecting mechanism.

Specific embodiment

The present invention is further described in detail with reference to the accompanying drawings and detailed description.

As shown in Figures 1 to 4, band collar plate shape independence open mold injection molding machine includes rack 100, disk fixed seat 1, rotational circle Disk 2, central rotating shaft 3, two independent clasp mould mechanisms, ejecting mechanism and the material injecting device being located in disk fixed seat 1.

Disk fixed seat 1 is equipped with the driving mechanism 4 of driving rotating circular disk 2, and driving mechanism 4 includes drive motor 41 and master Moving gear 42, drive motor 41 are fixed in disk fixed seat 1, and driving gear 42 is connected with motor output shaft, outside rotating circular disk 2 Circumference is equipped with rack 21, and driving gear 42 and rack 21 engage, gear ＆ rack structure transmission, simple in structure, reliable.

Central rotating shaft 3 is located at the center of disk fixed seat 1, and rotating circular disk 2 is located at disk fixed seat 1 by central rotating shaft 3 Above, the center of rotating circular disk 2 is equipped with rolling bearing 5, and rolling bearing 5 is fixed on rotating circular disk 2 by bearing fixed seat 7 On, rolling bearing 5 coordinates with central rotating shaft 3, by setting rolling bearing 5 between rotating circular disk 2 and central rotating shaft 3, can subtract Friction between small rotating circular disk 2 and central rotating shaft 3 makes 2 smooth rotation of rotating circular disk.

Copper billet 8 is equipped between disk fixed seat 1 and rotating circular disk 2, copper is smooth in contact surface with iron and there are the feelings of lubrication Friction coefficient is small under condition, and copper billet 8 can reduce the friction between disk fixed seat 1 and rotating circular disk 2, does not damage disk fixed seat 1 With rotating circular disk 2.At low cost using copper billet, it is convenient to replace.

Independent clasp mould mechanism includes lower template 9, Mode-locking oil cylinder 10, cope plate 13, the first locked mode column 14, the second locked mode Column 15 and third locked mode column 16, lower template 9 pass through the first locked mode column 14, the second locked mode column 15 and third locked mode column 16 lower end, lower template 9 are fixed by the second locking nut 17, and cope plate 13 passes through the first locked mode column 14, the second locked mode column 15 and the upper end of third locked mode column 16, cope plate 13 fixed by the first locking nut 18.13 He of cope plate is fixed using nut Lower template 9, it is simple in structure, it is fixed reliable, it is convenient for disassembly and assembly.

Second locked mode column 15 passes through central rotating shaft 3, and sliding bearing is equipped between the second locked mode column 15 and central rotating shaft 3 6, by setting sliding bearing 6, the friction between the second locked mode column 15 and central rotating shaft 3 can be reduced, make open mold more smooth, By the way that the second locked mode column 15 to be passed through to the setting of central rotating shaft 3, the clamp force of the offer of Mode-locking oil cylinder 10 can be provided well, protected Locked mode column is protected, extends the service life of injection molding machine.

The piston of Mode-locking oil cylinder 10 is connected with lower template 9, cylinder sleeve and rack 100 or the disk fixed seat 1 of Mode-locking oil cylinder 10 It is connected.

Rotating circular disk 2 is equipped with turntable detection switch 19 in place, and detection switch can make rotating circular disk 2 drive note to turntable in place The lower die of mold is parked in preset position, coordinates with upper mold, completes injection.

As shown in figure 17, the ejecting mechanism includes the guide rod 1c of two or more being mounted in disk fixed seat, The lower end of guide rod 1c is equipped with ejection cylinder 2c, and sliding panel 3c is slidably fitted on guide rod 1c, is equipped on sliding panel 3c The mandril 4c of two or more；Body of rod 5c in rack is installed, the two lantern ring 6c slided are equipped on the body of rod, are set on lantern ring 6c There is retaining mechanism, position sensor 7c is installed on lantern ring.The lock-screw 8c acted on the body of rod, spiral shell are equipped on lantern ring 6c Nail is convenient for the position of adjustment collar 6c.The ejecting mechanism drives sliding panel to move by an ejection cylinder, and sliding panel drives top Bar moves so that top plate can synchronize ejection, improve ejection quality, in addition, the formation of sliding panel movement is examined by position sensor It surveys, when there is provided the positions for after lantern ring, facilitating adjustment position sensor.The lantern ring is merged by two semi-rings, is being covered Clip is provided with outside ring, the clip is flexible collar or synanche clip.Lantern ring is spline fitted with the body of rod, and lantern ring is avoided to revolve Turn.

As depicted in figs. 1 and 2, the material injecting device include 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 shown in Figure 8 and Figure 9, barrel component 75 include 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 Anti-loosening nut 14a is equipped with 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, expect mouth On 4a installation material mouth seats 3a.Motor 73 is connect by transmission shaft 7a with screw rod 2a.

The heating collar 8a of two or more is cased with 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；Heat shield 9a is externally provided 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 is entered in barrel, the rotation of screw rod causes material to generate shear heat, while 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, can just improve the efficiency of cooling, can preferably control Temperature processed.

As shown in Figure 10 to Figure 12, 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 protecgulum 1b sides and material mouth ontology 2b sides and is equipped with the second sealing ring chamber 12b, before is located at It covers between 1b end faces and material mouth ontology 2b end faces 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 inner surface of the outer surface of muzzle 3b and cover for seat b6 Inner surface and needle-valve 4b outer surface 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 of piston 5b upper pistons 5b and the inner surface of cover for seat 6b.

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.

During assembling, the 6th sealing ring chamber 32b that the 6th sealing ring 35 is packed on muzzle 3b fills the 5th sealing ring 34b 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 be packed into the first sealing ring chamber 28b, by cover for seat 6b and material mouth ontology be assembled together, make the first water channel 23b and Third water channel 64b is communicated, and communicates the second water channel 27b and the 4th water channel 69b.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 with cover for seat 6b is connected, 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, 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 7b directions 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 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 muzzle 3b directions under the influence of air pressure, needle-valve 4b is pushed to seal discharge port 22b.Material is prevented from discharge port 22b flows out, and causes to salivate.First flow 72b, second flow channel 62b and third flow channel 25b composition runner, runner set one with On, preferably even numbers is arranged symmetrically, and with balanced material pressure, extends material mouth service life.Above scheme is set, simple in structure, is had Effect reduces the cost using complex mechanical structure control needle-valve, and by setting cooling water channel, especially suitable silica type needs low temperature The material of injection can significantly improve injecting products quality.

As shown in figure 13 to figure 16, 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)；The lower end of material blanking tube 762 be equipped with Blanking breach 7621 and sliding slot 7622, along Blanking breach around be equipped with discharge duct 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；The slide bar has big end and small end, and small end is 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；Observation window 766 is equipped with close to the side of bottom on the hopper basket, convenient for observing hopper basket Interior material.

The hopper construction of the utility model after material is entered in hopper basket, opens heating element, passes through heating element 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.If desired for the material laid down in hopper basket, slide bar is pulled upwards, and slide bar drives vane motion, falls Expect that notch is opened, material lays down from discharge duct, and in discharge process, it will usually the connecting pipe on discharge duct, when there is provided After anti-slip tank, connecting pipe is not easy to fall off.

The injection moulding process with collar plate shape independence open mold injection molding machine is：

(1) two sets or more of lower die is installed on a rotary disc, upper mold is installed on an at least cope plate.

(2) start Mode-locking oil cylinder, Mode-locking oil cylinder drives lower template, locked mode column and cope plate movement, realizes molding and lock Mould.

(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 is driven, and preheated material enters in barrel from material blanking tube, material conveyed downwards under the action of screw rod, connect It and starts the second oil cylinder, screw rod is driven 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, thermometric is carried out to material by temperature sensor, if temperature is excessively high, is passed through 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, compressed gas is passed through 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 lower template to move upwards, and lower template passes through locked mode column band Dynamic cope plate moves upwards, and cope plate drives upper mold to move upwards, and realizes die sinking.

(6) by ejecting mechanism by product from mold ejection.

Above-mentioned injection molding machine and injection moulding process, clasp mould mechanism are independently arranged, in disk fixed seat, by Mode-locking oil cylinder Clamp force is provided, the open mold of upper mold can be individually controlled, can individually be controlled between each mold, then an injection molding machine is suitable Two or more injection molding machines；It can carry out double-shot moulding or produce different products；Can also a secondary upper mold, it is more than two pairs Lower die produces, and improves production efficiency.

As shown in Figures 5 to 7, it is installed on rotating circular disk 2 under two pairs with installing a secondary upper mold on cope plate 13 below Workflow is described in detail for mould, after installing mold, oil cylinder 10 starts, and pushes 9 downlink of lower template, and lower template 9 drives lock Mould column and cope plate downlink, locking die, start to be molded, and after the completion of injection and pressurize, oil cylinder 10 starts, and push lower template 9 Uplink, lower template 9 drive locked mode column and cope plate uplink, open mold, and drive motor 41 drives driving gear 42 logical at this time Crossing rack 21 drives rotating circular disk 2 to rotate, and touches turntable and stops after detection switch 19 in place, and setting rotation angle is 180 degree, After being rotated in place, you can start next injection cycle, the lower die of injection formed product has rotated to another Mould opening and closing machine at this time At structure B, the ejection cylinder driving knock-pin of clasp mould mechanism B ejects product, takes out product, and ejection cylinder driving knock-pin moves back It returns, preparation is molded next time.This set, when a secondary lower die is in injection, another width lower die carries out the operation of pickup, and pickup is complete Injection is waited for into rear, saves the time that mold waits for pickup, prevents barrel and mold from cooling down, the energy has been saved, when saving Between, improve production efficiency.

Claims (3)

1. a kind of band collar plate shape independence open mold ejecting mechanism, including disk fixed seat, it is characterised in that：In disk fixed seat The guide rod of two or more is fixed with, ejection cylinder is installed in the lower end of guide rod, sliding panel is slidably fitted on guide rod, in cunning The mandril of two or more is installed on movable plate；The body of rod in rack is installed, two lantern rings slided, lantern ring are equipped on the body of rod Retaining mechanism is equipped with, position sensor is installed on lantern ring；Lantern ring is spline fitted with the body of rod.

2. band collar plate shape independence open mold ejecting mechanism according to claim 1, it is characterised in that：The retaining mechanism For lock-screw, the lock-screw acted on the body of rod is equipped on lantern ring.

3. band collar plate shape independence open mold ejecting mechanism according to claim 1, it is characterised in that：The lantern ring is by two A semi-ring merges, and clip is provided with outside lantern ring, and the clip is flexible collar or synanche clip.