CN1817613A - Vertical injection molding machine - Google Patents
Vertical injection molding machine Download PDFInfo
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- CN1817613A CN1817613A CN 200610007100 CN200610007100A CN1817613A CN 1817613 A CN1817613 A CN 1817613A CN 200610007100 CN200610007100 CN 200610007100 CN 200610007100 A CN200610007100 A CN 200610007100A CN 1817613 A CN1817613 A CN 1817613A
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- side mold
- injection molding
- molding machine
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 69
- 239000000314 lubricant Substances 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims description 28
- 229920005989 resin Polymers 0.000 claims description 28
- 230000001050 lubricating effect Effects 0.000 claims description 23
- 230000008520 organization Effects 0.000 claims description 10
- 210000004209 hair Anatomy 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a vertical injection molding machine capable of stopping the repeatedly revolved turntable at predetermined positions. During operation of a vertical injection molding machine (1) having one or more lower molds (15) mounted on a turntable (14) and an upper mold (16) mounted on an upper retention plate (13), lubricant is periodically fed from a pump (30) to a slide portion (S) of the revolving turntable (14). Thereby, the slide resistance of the sliding portions (S) of the turntable (14) is maintained constant, by which the repeatedly revolved turntable (14) is enabled to stop accurately at predetermined positions. Thus, the present machine enables the lower molds (15) which are repeatedly clamped with the upper mold (16) to stopped at the predetermined position.
Description
Technical field
The present invention relates to a kind ofly carry out the die sinking mold closing of mould at longitudinal direction and be formed into the vertical injection molding machine of body, particularly relate to a kind ofly when stopping, can stopping the vertical injection molding machine of turntable at the assigned position that carries out matched moulds with following side mold that turntable rotates.
Background technology
In the past, use the vertical injection molding machine of so-called 2 station modes, it is by making the turntable rotation, and make two following side mold being installed on the turntable separately, go up side mold with respect to one, move to the subtend position that can mould opens and closes, and carry out the matched moulds of longitudinal direction.In vertical injection molding machine with the so-called two station modes of side mold on this and a plurality of down side mold matched moulds etc., following manufacture method is used, be shaped as between the matched moulds operation of body, the metal parts of shaping usefulness are inserted in assembling on being configured in by the following side mold of the opposition side of the following side mold of matched moulds, after this assembling, turntable is rotated to given position, and following side mold and last side mold matched moulds by having assembled metal parts, and metal insertion parts and resin is integrally formed.
Yet, in producing the formed body that metal insertion parts and resin is integrally formed, because after assembling insertion parts in advance on the mould and mould is carried out matched moulds each other, therefore be necessary will be rotated mobile following side mold by the rotation of turntable, can with the assigned position of last side mold matched moulds on do not stop with misplacing.Fig. 6 is the key diagram of major part of the vertical injection molding machine of the two station modes that are associated with prior art so of expression.Following with reference to this figure explanation, in this vertical injection molding machine, by servomotor 104, the turntable 102 that two following side molds 100,101 are installed is driven by positive and negative rotation by synchronous belt 103.Be equipped with not shown on side mold carry out latch 105 being set integratedly below the turntable 102 of each time side mold 100,101 of matched moulds.So, if make the turntable rotation by driving servomotor 104, then together rotate mobile latch 105 and contact stop-motion body 106 (state shown in Figure 6) with the rotation of turntable 102, following side mold 100 above with it on the matched moulds operation of side mold before finishing during, with given torsion latch 105 is pressed against on the stop-motion body 106, and will descend side mold with respect to last side mold remain in can matched moulds the position.In addition, with the existing relevant structure of art, the turntable as emission forming machine in patent documentation 1 is disclosed with this.
(patent documentation) spy opens the 2002-172646 communique
But, in the described vertical injection molding machine of Fig. 6, owing to transfer repeatedly to be pressed against stop-motion body on the number of times that is shaped latch by the positive and reverse return of turntable, therefore the contact site of latch and stop-motion body is worn separately, if chronically the longitudinal type forming machine is started, then because the abrasion of the parts such as latch that position are difficult to each time side mold is stopped at assigned position, and mould probably can breakage when not coexisting matched moulds because of situation.In addition, owing to the exchange of wear member such as latch and stop-motion body occurred being necessary to carry out termly, therefore in the exchanging operation of wear member, work and time lengthening, and must interrupt starting of each forming machine for the exchanging operation of parts, and then in the vertical injection molding machine that the insertion parts of metal and so on and resin is integrally formed, the manufacturing cost of manufactured formed body uprise.
In addition, if latch and stop-motion body collision then be not only latch and stop-motion body, and the drive system of turntable can be destroyed probably also.Therefore, owing to need before latch is about to be connected to stop-motion body, positively stop turntable, thereby there are the following problems, deceleration distance before promptly needing to keep significantly stopping, if keep deceleration distance to begin from the rotation of turntable then that moving to stop the time to be spent longer significantly, the time of monolithic molding circulation as a result is elongated.In addition, as the vertical injection molding machine that two station modes of two moulds are installed on turntable as shown in Figure 6, two moulds on the turntable, rotation according to turntable, and per 180 ° of ground are repeatedly back and forth under the situation of turn, though latch can be contacted with on the stop-motion body that is fixed on base station etc. and will descend side mold to stop at assigned position, but under the situation of three stations and four stations, owing to be necessary that for the former be per 120 °, the latter is that per 120 ° of ground rotate to equidirectional, therefore the structure and the control of the complexity that stop-motion body need be contacted causes that reliability reduces and cost rises.
In addition, in Fig. 6, by being pressed against, latch stops turntable on the stop-motion body, if do not use this structure, and only by as the control of the servomotor of its drive source but stopped by the turntable of turn, the stop position of turntable is stopped in the given scope, and the process of the running time of turntable can occur being accompanied by, stop position produces the phenomenon of bigger deviation.Therefore, carry out the result of all tests in the invention, the mechanism of the deviation of the stop position of turntable is drawn to draw a conclusion.
Result according to test, the reason of this deviation is when the deceleration of turntable stops, the rotation impedance phase of turntable for the less situation of the inertia force of turntable under, in order to make servomotor enter deceleration regime, and lean on inertia to continue rotation by overcoming its rotation impedance in the revolving-turret side, therefore turntable stops the assigned position over run, even carry out the revolving table position decision control based on servomotor, also becomes the state that just stops in the over run side.On the other hand, if the rotation impedance phase of turntable becomes for rotating inertia force greatly, then to be used for the result with aforementioned opposite direction be that turntable has the tendency that stops in the front of the stop position of stipulating to masterpiece.Like this, the rotation impedance of turntable, be subjected to this rotating shaft bear portion and state sliding part lubricating status below, particularly have the sliding part that is subjected to the bigger state of resistance to sliding significantly lubricating status about situation, if the supply of lubricant is abundant and lubricating status well then to rotate impedance less, the lubricating status variation is then rotated the impedance change greatly if lubricant tails off, therefore be confirmed to be, the main reason of the stop position deviation of turntable is because the resistance to sliding that is caused by the variation of the lubricating status of the sliding part of turntable changes significantly.
The present invention is directed to above-mentioned problem and propose, its purpose is for providing a kind of vertical injection molding machine, it to the sliding part of turntable supply of lubricant termly, and can stop at assigned position with the turntable of turn repeatedly for the state resistance to sliding roughly being remained fixing.
Summary of the invention
The vertical injection molding machine of the present invention's first invention has: holding plate, and it is side mold on the bottom is equipped with; And turntable, its top be equipped with described on side mold form the following side mold of cavity, make this turntable or described holding plate lifting and carry out the die sinking mold closing of described two moulds, it is characterized in that, when one or described down side mold more than it are installed on the described turntable, and with described when going up described vertical injection molding machine that side mold is installed on described holding plate and starting, by feeding lubricating device termly to by the sliding part supply of lubricant of the described turntable of turn, remain roughly certain by resistance to sliding with described sliding part, and can with stopped at assigned position by the turntable of turn repeatedly, will be with described turntable by one or each of more than one side mold down of the described down side mold of turn, stop at can with described position of going up the side mold mold closing.
The structure of first invention can remain almost fixed with the resistance to sliding of sliding part according to the present invention, and can be when the starting of vertical injection molding machine, will with last side mold repeatedly the following side mold of mold closing stop at the position of regulation.
The vertical injection molding machine of the present invention's second invention is characterised in that, in the vertical injection molding machine of the present invention's first invention, be provided with: controlling organization, its instrumentation inject to described cavity molten resin the ejaculation number of times and based on this institute by the ejaculation number of times of instrumentation, drive the described feeding lubricating device of control, and, drive described feeding lubricating device with every group of predefined number of times termly by this controlling organization, lubricant is supplied to described sliding part.
Structure according to second invention of the present invention, because control structure, when starting based on vertical injection molding machine to the ejaculation number of times of the molten resin of cavity, and the driving feeding lubricating device, and termly lubricant is supplied to sliding part, therefore, also can will descend side mold to stop at and the last side mold position of the regulation of mold closing repeatedly for a long time incessantly even the longitudinal type forming machine is started and turntable turn repeatedly chronically incessantly.
The vertical injection molding machine of the present invention's the 3rd invention is characterised in that, in the vertical injection molding machine of the present invention's first invention or second invention, constitute as follows: promptly described side mold down equally spaced leaves by the turn center of the turntable of turn, and can practise physiognomy on the same line that connects this center and install two over the ground at least.
According to the structure of the present invention the 3rd invention, because two following side molds are installed on turntable, therefore can per 180 ° of ground revolving-turrets, and two following side molds are stopped at assigned position with respect to last side mold separately.
The vertical injection molding machine of the present invention's the 4th invention is characterised in that, in the vertical injection molding machine of the present invention's first invention or second invention, constitute as follows: promptly described side mold down equally spaced leaves the turn center of described turntable, and can equally spaced install four on the cross hairs that connects this center.
The structure of the 4th invention according to the present invention, can be equipped with on the turntable mould below four by the turntable of turn, per in turn in a certain direction 90 ° of ground rotations stop at each time side mold the position of regulation with respect to last side mold.Therefore, and the vertical injection molding machine in the past of the per 180 ° of positive and negative rotations of turntable is compared, can will descend the displacement of side mold to reduce by half, thereby the turn traveling time of following side mold also can be reduced by half, and can improve the production efficiency of formed body.
The vertical injection molding machine of the present invention's the 5th invention has: holding plate, and it is side mold on the bottom is equipped with; And turntable, its top be equipped with described on side mold form the following side mold of cavity, make this turntable or described holding plate lifting and carry out the die sinking mold closing of described two moulds, it is characterized in that, on described turntable with arbitrarily not the interval of five equilibrium described down side mold is installed a plurality ofly,, remain almost fixed and can will be stopped at the position of regulation by the described side mold down of turn with described turntable termly to by the sliding part supply of lubricant of the described turntable of turn by feeding lubricating device by resistance to sliding with described sliding part.
The structure of the 5th invention can remain almost fixed with the resistance to sliding of sliding part, and can will descend side mold to stop at the position of regulation according to the present invention.
Invention according to the vertical injection molding machine of the present invention first invention has: holding plate, and it is side mold on the bottom is equipped with; And turntable, its top be equipped with described on side mold form the following side mold of cavity, make this turntable or described holding plate lifting and carry out the die sinking mold closing of described two moulds, and when one or described down side mold more than it are installed on the described turntable and will be described on the side mold described vertical injection molding machine that is installed on described holding plate when starting, by feeding lubricating device termly to by the sliding part supply of lubricant of the described turntable of turn, by the resistance to sliding with described sliding part remain almost fixed and can with stopped at assigned position by the turntable of turn repeatedly, will be with described turntable by one or each of more than one side mold down of the described down side mold of turn, stop at can with described position of going up the side mold mold closing.Therefore, when the starting of vertical injection molding machine can with last side mold repeatedly the following side mold of mold closing do not stop at given position with not producing dislocation.And, do not adopt following method can realize: promptly as existing longitudinal type forming machine yet, to be rotated the contact of mobile latch with the rotation of turntable on the stop-motion body that is fixed, but can will descend side mold to remain on the stop position of the matched moulds of regulation by latch being pressed against on the stop-motion body.Therefore, can not realize owing to do not carry out these exchanging operations that are worn away parts that the abrasion by latch and stop-motion body etc. cause yet, thereby can access the burden that can alleviate the maintaining operation and realize the vertical injection molding machine that production efficiency improves.
Invention according to the vertical injection molding machine of the present invention second invention, in the present invention's first invention, be provided with: controlling organization, its instrumentation inject to described cavity molten resin the ejaculation number of times and based on this institute by the ejaculation number of times of instrumentation, drive the described feeding lubricating device of control, and, drive described feeding lubricating device with every group of predefined number of times termly by this controlling organization, lubricant is supplied to described sliding part.Therefore, each starts vertical injection molding machine chronically incessantly.
Invention according to the vertical injection molding machine of the present invention the 3rd invention, in the present invention's first invention or second invention, constitute as follows: promptly described side mold down equally spaced leaves by the turn center of the turntable of turn, and can practise physiognomy on the same line that connects this center and install two over the ground at least.Therefore, two following side molds can be installed on turntable, and per 180 ° of ground revolving-turrets, each time side mold is stopped at assigned position chronically incessantly with respect to last side mold.Can be under the situation that unlike the method for shutting down of existing turntable, causes mutual dislocation by the abrasion of parts such as stop-motion body with mould matched moulds each other.
The invention of the vertical injection molding machine of the 4th invention according to the present invention, in the present invention's first invention or second invention, owing to constitute as follows: promptly described side mold down equally spaced leaves the turn center of described turntable, and can on the cross hairs that connects this center, equally spaced install four, therefore can not per 180 ° of positive and negative revolving-turrets in ground and per 90 ° of ground turn turntables, with four following side molds to last side mold matched moulds in turn.And then, shorten the displacement of time side mold and can shorten the turn traveling time of side mold down, and can be carried out to the production of body expeditiously, suppress to be low price thereby can reduce its manufacturing cost.
The invention of the vertical injection molding machine of the 5th invention according to the present invention has: holding plate, and it is side mold on the bottom is equipped with; And turntable, its top be equipped with described on side mold form the following side mold of cavity, make this turntable or described holding plate lifting and carry out the die sinking mold closing of described two moulds, wherein, on described turntable with arbitrarily not the interval of five equilibrium described down side mold is installed a plurality ofly,, remain almost fixed and can will be stopped at the position of regulation by the described side mold down of turn with described turntable termly to by the sliding part supply of lubricant of the described turntable of turn by feeding lubricating device by resistance to sliding with described sliding part.Owing to do not adopt following method can realize: promptly as longitudinal type forming machine in the past, but will descend side mold to remain on the stop position of the matched moulds of regulation by latch being pressed against on the stop-motion body yet.Therefore, promptly can not realize owing to do not carry out these exchanging operations that are worn away parts that the abrasion by latch and stop-motion body etc. cause, thereby can access the vertical injection molding machine that has alleviated the maintaining operation.
Description of drawings
Fig. 1 is the front view of the vertical injection molding machine of an expression example of the present invention.
Fig. 2 is the same, is the vertical view of vertical injection molding machine.
Fig. 3 is the same, is the profile of expression from the state of the major part of top observation vertical injection molding machine.
Fig. 4 is the same, is the profile of the major part of expression vertical injection molding machine.
Fig. 5 is the same, is the figure that stops precision of expression turntable.
Fig. 6 is the same, be represent in the past since the diagrammatic illustration figure of major part of employed vertical injection molding machine.
Among the figure: 1-vertical injection molding machine, 13-upside holding plate (holding plate), 14-turntable, side mold under the 15-, the last side mold of 16-, 23-microcomputer (controlling organization), 25-servomotor, 30-pump (feeding lubricating device), S-sliding part.
Embodiment
Below, by Fig. 1～Fig. 5 the embodiment as enforcement best mode of the present invention is explained as follows.Certainly, the present invention, much less with the scope of purport non-contravention of the present invention in, the structure for beyond illustrated among the embodiment also can easily be suitable for.
Fig. 1 is the front view of the vertical injection molding machine of an expression example of the present invention.Fig. 2 is the vertical view of vertical injection molding machine.Fig. 3 is the profile of expression from the state of the major part of top observation vertical injection molding machine.Fig. 4 is the profile of the major part of expression vertical injection molding machine.Fig. 5 is the figure that stops precision of expression turntable.
Vertical injection molding machine 1 shown in Figure 1 makes mould open and close at longitudinal direction, and is formed on the resin formed body of the insertion parts of form metal parts etc. integratedly.On 1 board 2 on this vertical injection molding machine, fixing in the middle of holding plate 10, side remotely has upside maintaining part 13 thereon.As shown in Figure 4, three columniform connecting rods 12 that are set up between upside holding plate 13 and the downside holding plate 11 intert in middle holding plate 10, and upside holding plate 13 and downside holding plate 11 are in mode that can lifting on longitudinal direction and be set up.In addition, downside holding plate 11 is connected by middle holding plate 10 and the elbow-bar mechanism 17 that is fixed in board 20, downside holding plate 11 toggle link by elbow-bar mechanism 17 flexible and lifting, downside holding plate 11 and be connected in upside holding plate 13 liftings of connecting rod 12 and open and close thus.
As shown in Figure 3, in described middle holding plate 10, but the discoid turntable 14 of turn is installed at an upper portion thereof, by to each time side mold 15 on the top that is installed on turntable 14 and one last side mold 16 mold closings that are installed on the bottom of holding plate 13, and the formation cavity.The downside holding plate 11 of lifting on longitudinal direction, also stretched and lifting by not shown driving mechanism by the toggle link of elbow-bar mechanism 17, with respect to following side mold 15, make side mold 16 by making upside holding plate 13 liftings that side mold 16 is installed with respect to following side mold 15 die sinking mold closings.
In addition, above upside holding plate 13, have injection unit 20, in the front of the injection nozzle 21 that is made of this injection unit 20, the state with on the resin inlet 13a that is pressed against the last side mold 16 that is installed on the upside holding plate 13 injects cavity with molten resin.In addition, in Fig. 1 and Fig. 4, though the injection nozzle 21 of injection unit 20 becomes the not state of contact pressure resin inlet 13a, but much less, when penetrating,, the rotation of motor 44 is transformed to rectilinear motion by the not shown nut body that is screwed onto on the thread spindle 43, and injection unit 20 is descended by ball screw framework 42, thereby the front end of injection nozzle 21 is connected to resin inlet 13, promptly so-called nozzle contact.
Next, further specify turntable 14,, drive servomotor 25 and turn with this servomotor interlock as the microcomputer 23 of controlling organization (below, claim microcomputer) as for this turntable 14.In an example of the present invention, the turn center of turntable 14, a connecting rod with the face side that is disposed at vertical injection molding machine 1 in three connecting rods that are configured with longitudinal direction 12, be the axle turn, as shown in Figure 3 and Figure 4, the 14a of hole portion of turntable 14 is embedded in three connecting rods 12 one and drive servomotor 25, by this by the outstanding synchronous belt 26 that is loaded between turntable 14 and the servomotor 25, and with mounting when the turntable 14 on the middle holding plate 10 is sliding and turn.In detail, below the turntable 14, while be connected to be arranged on integratedly a plurality ofly in the middle of the state of top metal part 27 of holding plate 10 slide and rotate.In addition, on servomotor 25, encoder 29 is installed, by carrying out the FEEDBACK CONTROL of position and speed and servomotor 25 is stopped at given position, and carries out the location of turntable by this encoder 29.
The 30th, as the pump of lubricants such as lubricating grease being discharged the feeding lubricating device of the sliding part S that supplies to metal part 27 and gripper shoe described later 35 and turntable 14.In this pump 30, an end that connects pressure pipe 31, and on middle holding plate 10, form supply hole 28 at the other end of the pressure pipe 31 of its opposition side, the nipple that is formed with through hole by being spirally connected connects, to be redefined for certain interval of 600 grades to the ejaculation number of times of the resin of cavity by microcomputer 23, and be controlled to be, pass through pressure pipe 31 termly to the sliding part S of turntable 14 supply of lubricant from pump 30, the resistance to sliding of sliding part S can be maintained roughly certain numerical value, when vertical injection molding machine 1 is in the state that starts continuously, can with last side mold 16 face below can mold closing the position, stop to be installed on a plurality of each time side molds 15 on the turntable 14 in turn.
Also have, side below the turntable 14 that following side mold 15 is mounted as shown in Figure 4, is provided with support plate 35 integratedly on middle holding plate 10.When the rotation of turntable 14, be arranged at the gripper shoe 35 on middle the holding plate 10 that slides with this turntable 14, be lowered by on the side mold 15 and can tolerate this mold clamping force when carrying out matched moulds and the device that supports at last side mold 16.
In addition, when the metering of the resin of described injection unit 20, by screw rod 40 will be supplied to the mixing plasticization of resin raw material of the base end side on the top of heating cylindrical shell 41 with the prescribed direction rotation, and the screw thread by screw rod 40 is sent effect resin to be delivered to the injection molding nozzle 21 of the front of screw rod 40, along with molten resin accumulating in the screw thread front, screw rod 40 is reversed pressure control and retreats, be accumulated in moment of the front of screw rod 40 at the molten resin of ormal weight, stop the rotation of screw rod 40.
In addition, when the starting of longitudinal type forming machine 1 and when cavity penetrates molten resin, by the thread spindle of not shown ball screw framework and the not shown nut body that is spirally connected with it, and be rectilinear motion with the rotation transformation of thread spindle, by this screw rod 40 is carried out forward drive, and will accumulate by this driving to penetrate and be filled in the cavity that is formed between side mold 16 and the following side mold 15 in the molten resin of screw rod 40.
In addition, when will going up side mold 16 and being installed on upside holding plate 13, on turntable 14, be equipped with should in the vertical injection molding machine 1 of two station modes of present embodiment of two following side mold 15 of side mold 16 matched moulds, following side mold 15, as shown in figure 13, be positioned at the diametric(al) of the pivot that connects turntable 14, and be installed on the top of turntable 14, and with respect to the following side mold 15 180 ° of equally spaced subtend configurations on turntable 14 of a last side mold 16 with two, from on after side mold 16 and a side's mold closing (matched moulds) the state die sinking of mould 15, to drive servomotor 25 by the control of microcomputer 23, make turntable 14 Rotate 180s ° and make following side mold 15 and the last side mold 16 of the opposing party on the turntable 14 relative to, after this rotation, descend the mould matched moulds of side mold 15 and last side mold 16 once more.So,, carry out the cooling of the resin in the cavity from injection nozzle 21 penetrates molten resin to cavity after.In addition, on being configured in by the opposing party's of 180 ° of opposition sides of a side's of matched moulds following side mold 15 following side mold 15, by robot or operator's handwork with the parts assembling of the insertion shaping usefulness of metal system and so on, by the operation that repeats so to assemble, can be formed in the formed body of integrally formed insertion parts on the resin.
Next, illustrate by the stop position precision of the turntable of turn.Fig. 5 is the figure line that stops precision of the turntable of the stop position of expression turntable and the relation that penetrates number of times.Such as the aforementioned, carry out repeatedly when cavity penetrates molten resin and be formed into the initial state of vertical injection molding machine 1 of body continuously being in, drive control pump 30 termly by the control of microcomputer 23, will be from the ejaculation number of times of these pump 30 molten resins with each 600, and in the middle of a plurality of being arranged at integratedly holding plate 10 above metal part 27 and the sliding part S supply of lubricant of gripper shoe 35 and turntable 14, thereby obtain the result that represents with figure line.In the figure, with the stop position of predefined turntable 14 " 0 " as the longitudinal axis, to deviation as the stop position of the difference of the stop position of this setting and actual stop position, the stop position of representing the over run side of turntable 14 with positive, represent the stop position of forward side with negative value, the ejaculation number of times of expression molten resin on transverse axis.From pump 30 quantitative lubricant is supplied to sliding part S termly with per 600 ejaculation number of times, thus when being in the continuous initial state of vertical injection molding machine 1, the resistance to sliding of sliding part S can be remained the state of almost fixed, can with by the turntable 14 of turn in the stop position deviation range of allowing numerical value (± 50 μ m) of minimum regulation, with being lower than of reality ± 40 μ m and positively stop.Therefore, can with 180 ° and so on uniformly-spaced be installed on a plurality of side molds 15 down on the turntable 14, positively stop at the assigned position of facing with last side mold 16, and can carry out production with integrally formed etc. the formed body of insertion parts efficiently, can avoid as existing, in order to maintain etc. and stop the problem of deterioration of the production efficiency of starting of forming machine.
In addition, in an above-mentioned example, though show the vertical injection molding machine 1 that two station modes of two following side molds 15 are installed on turntable 14, but a station mode of single following side mold 15 is installed on turntable 14, and on turntable 14, installs with cross like that as described above in the four station modes of four following side molds 15 and also can obtain same effect with 90 ° interval.Owing to do not have as emission forming machine in the past, thereby compress with the positive and negative Rotate 180 of turntable ° and with the state that latch contacts stop-motion body to descend side mold to stop at the assigned position structure right with the upside die face at every turn, therefore to for example being installed on four following side molds 15 on the turntable 14, can not make turntable 14 positive and reverse returns then be that making it with certain orientation is that matched moulds is carried out in the rotation of unit and so on 90 °, also can play aforesaid effect this moment.
In addition, in above-mentioned emission forming machine 1, though be designed to by making upside holding plate 13 liftings that side mold 16 is installed carry out the die sinking mold closing, also can carry out the die sinking mold closing by holding plate 10 liftings in the middle of making, also have the group of insertion parts to go into constantly also can select arbitrarily.
In addition, also the control of microcomputer 23 can be made as, not with the ejaculation number of times of per 600 grades calculating the resulting specific time interval of running time of vertical injection molding machines 1 by microcomputer 23, and supply of lubricant, can remain almost fixed by the resistance to sliding when starting this moment.
According to above-mentioned such, vertical injection molding machine 1 of the present invention, because the resistance to sliding of turntable is remained almost fixed, and termly to the sliding part S of turntable 14 supply of lubricant, its result can will be stopped at given position by the turntable 14 of turn repeatedly, and have: upside holding plate 13, it is as the holding plate of side mold 16 on the bottom is equipped with; And turntable 14, it is equipped with the following side mold 15 of side mold 16 and cavity on top forms.Carry out making turntable 14 or 13 liftings of upside holding plate in the vertical injection molding machine 1 of die sinking mold closing of described two moulds, one or the following side mold 15 more than it are installed on turntable 14, and in the time will going up side mold 16 and be installed on the starting of vertical injection molding machine 1 of upside holding plate 13, termly lubricant is supplied to by the sliding part S of the turntable 14 of turn from pump 30 as feeding lubricating device, can remain almost fixed by resistance to sliding with sliding part S, and the turntable 14 of turn stops at given position repeatedly, will be with turntable 14 each by one of the following side mold 15 of turn or following side mold 15 more than it, stop at can with the position of last side mold 16 matched moulds.Therefore, owing to do not adopt following method can realize yet, promptly as emission forming machine in the past, will rotate mobile latch in the lump with the rotation of turntable and be contacted with stop-motion body, but and by latch being pressed against on the stop-motion body and will descend side mold to remain in the stop position of the matched moulds of regulation; And the exchanging operation that does not carry out the portion's product that involve abrasion of latch and stop-motion body and so on also can be realized; Therefore, the burden of maintaining operation can be alleviated, and the vertical injection molding machine 1 that can uninterruptedly start and seek the raising of production efficiency for a long time can be accessed.
Be provided as the microcomputer 23 of controlling organization, described controlling organization instrumentation penetrates the ejaculation number of times of molten resin to cavity, and drive the pump 30 of control as feeding lubricating device based on the ejaculation number of times behind this instrumentation, and by means of this microcomputer 23 with predefined per 600 etc. ejaculation number of times driving pump 30 termly, and lubricant supplied to sliding part S.By this, the ejaculation number of times to the molten resin of cavity when starting based on the longitudinal type ejaculator owing to microcomputer 23 drives control pump 30, and termly lubricant is supplied to sliding part S, therefore by starting vertical injection molding machine chronically incessantly, turntable 14 turn repeatedly can will descend side mold 15 to stop at the assigned position that carries out mold closing with last side mold 16 repeatedly chronically incessantly.
In addition, because following side mold 15, as shown in Figure 3, being benchmark by the turn center of the turntable 14 of turn, and have on the diametric(al) uniformly-spaced and two ground are set over the ground at least constitute connecting to practise physiognomy on the same line at this center, therefore when so being installed on two following side molds 15 on the turntable 14, can per 180 ° of ground equal angles revolving-turrets 14 and two following side mold 15 is stopped at assigned position separately with respect to last side mold 16.Therefore, as the method for shutting down of existing turntable, can not exist abrasion because of parts such as stop-motion bodies to cause under the situation of mutual dislocation with mould matched moulds each other.
In addition, equally spaced to leave the turn center of turntable 14, and on connecting the cross hairs at this center during with the following side mold 15 of 4 of 90 ° uniformly-spaced installations, make turntable 14 with the per in turn 90 ° of ground turns of certain direction, each time side mold 15 can be stopped at assigned position with respect to last side mold 16.Therefore, with as existing vertical injection molding machine, make turntable and compare with the structure of per 180 ° of positive and negative rotations, since can half the displacement of side mold 15 is set down, therefore can descend the turn traveling time of side mold 15 to reduce by half, even the formed products integrally formed with insertion parts, also its formation efficiency can be improved, therefore manufacturing cost can be suppressed cheaply.
Even equally spaced to leave the turn center of turntable 14, and with this turn center is the center, and reciprocally with arbitrarily not the interval angle of five equilibrium under the situation that a plurality of down side molds 15 are set on the turntable 14, by by pump 30 termly to by the sliding part S supply of lubricant of the turntable 14 of turn and the resistance to sliding of sliding part S is remained almost fixed, the following side mold 15 with turntable 14 turn in the lump can be stopped at given position by this.
Though volume embodiment of the present invention more than has been described in detail in detail, the invention is not restricted to previous embodiment, all distortion in the scope that does not break away from main idea of the present invention are possible.In Fig. 1～Fig. 5, though show the vertical injection molding machine 1 of two station modes, but be not limited to two stations, also can be applicable to aforesaid 4 stations, on turntable, three following side molds be installed and three stations of matched moulds or five stations and six stations etc. multistation arbitrarily with the per in turn 120 ° of turns of certain orientation with 120 ° of intervals.
Claims (5)
1, a kind of vertical injection molding machine has: holding plate, and it is side mold on the bottom is equipped with; And turntable, its top be equipped with described on side mold form the following side mold of cavity, make this turntable or described holding plate lifting and carry out the die sinking mold closing of described two moulds, it is characterized in that,
When one or described down side mold more than it are installed on the described turntable and will be described on the side mold described vertical injection molding machine that is installed on described holding plate when starting, by feeding lubricating device termly to by the sliding part supply of lubricant of the described turntable of turn, remain roughly certain by resistance to sliding with described sliding part, and can with stopped at assigned position by the turntable of turn repeatedly, will be with described turntable each by one of the described down side mold of turn or following side mold more than it, stop at can with described position of going up the side mold mold closing.
2, vertical injection molding machine according to claim 1, it is characterized in that, be provided with controlling organization, its instrumentation injects to the ejaculation number of times of the molten resin of described cavity, and based on this by the ejaculation number of times of instrumentation, drive the described feeding lubricating device of control, and by this controlling organization, drive feeding lubricating device with every group of predefined number of times termly, described lubricant is supplied to described sliding part.
3, vertical injection molding machine according to claim 1 is characterized in that, promptly described down side mold, constitute apart from by the turn center of the turntable of turn for uniformly-spaced, and can on the same line at this center of connection, install two at least to ground relatively.
4, vertical injection molding machine according to claim 1 is characterized in that, described down side mold constitutes apart from the turn center of described turntable to uniformly-spaced, and can equally spaced install four on the cross hairs at this center of connection.
5, a kind of vertical injection molding machine has: holding plate, and it is side mold on the bottom is equipped with; And turntable, its top be equipped with described on side mold form the following side mold of cavity, make this turntable or described holding plate lifting and carry out the described die sinking mold closing of going up side mold and following side mold, it is characterized in that,
On described turntable with arbitrarily not the interval of five equilibrium described down side mold is installed a plurality ofly,, remain roughly certain and can be stopped at the position of regulation by the described side mold down of turn termly to by the sliding part supply of lubricant of the described turntable of turn by feeding lubricating device by resistance to sliding with described sliding part with described turntable.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005034664 | 2005-02-10 | ||
| JP2005034664 | 2005-02-10 | ||
| JP2006005338 | 2006-01-12 |
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| Publication Number | Publication Date |
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| CN1817613A true CN1817613A (en) | 2006-08-16 |
| CN100439079C CN100439079C (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100071002A Expired - Fee Related CN100439079C (en) | 2005-02-10 | 2006-02-10 | Vertical injection molding machine |
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| CN (1) | CN100439079C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953501A (en) * | 2017-10-17 | 2018-04-24 | 福建鸿龙机械有限公司 | A kind of rotating disc type EVA shoe bottom secondary frothing forming machine and its forming method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002172646A (en) * | 2000-12-05 | 2002-06-18 | Niigata Eng Co Ltd | Turntable apparatus of injection molding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953501A (en) * | 2017-10-17 | 2018-04-24 | 福建鸿龙机械有限公司 | A kind of rotating disc type EVA shoe bottom secondary frothing forming machine and its forming method |
| CN107953501B (en) * | 2017-10-17 | 2023-10-20 | 福建鸿龙机械有限公司 | Turntable EVA sole secondary foaming forming machine and forming method thereof |
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| CN100439079C (en) | 2008-12-03 |
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