CN2647550Y

CN2647550Y - Rotary shaft type double-colour moulding machine

Info

Publication number: CN2647550Y
Application number: CN 03272743
Authority: CN
Inventors: 谢宪吉; 王俊贤
Original assignee: Fu Chun Shin Precision Industry Co ltd
Current assignee: Fu Chun Shin Precision Industry Co ltd
Priority date: 2003-07-03
Filing date: 2003-07-03
Publication date: 2004-10-13
Anticipated expiration: 2013-07-03

Abstract

A rotating-shaft bicolor molding machine mainly utilizes a rotatable central rotating shaft to drive a male die to convert between two molding positions, causing the die cavity on the male die to correspond with two die cavities on the female die at a different time because of the position conversion of the male die, so that bicolor molded products can be molded. To achieve the goal, the utility model is characterized in that a male die frame is arranged on a rotating shaft unit. The rotating shaft unit can gyrate driven by a rotating-control mechanism or shift horizontally controlled by a horizontal shifting control mechanism. Besides, the rotating shaft unit does not interfere one another in the implementation of horizontal shifting, gyration and so forth.

Description

Shaft double-color forming machine

(1) technical field

The utility model relates to a kind of dual-color forming machine that can the double-colored ejecting product of moulding, particularly relate on a kind of central rotating shaft that but male model is erected at a lateral displacement and rotates, rotation by central rotating shaft, make male model between two shaping positions, to change, with the shaft double-color forming machine of moulding dual-color forming product.

(2) background technology

Jet forming machine roughly comprised in design in the past: every a holder, a sliding seat between left and right, and a molding tool, wherein this mould comprises: one is installed in the master mold on the holder, and a male model that is installed on the sliding seat.When shaping mould tool position when one penetrates the position; the male model, the master mold that are erected at respectively on holder and the sliding seat can be involutory; so that make shooting material of material injection device ejaculation can be seated in moulding ejecting product in the die cavity; and when shaping mould tool position during in a non-ejaculation position; this male model can separate with master mold, with the convenient ejecting product that takes out in die cavity.

This Jet forming machine in the past can only the moulding monochrome ejecting product, in order to make ejecting product on color, have more variability, a kind of " rotating disc type dual-color forming machine " arranged in the prior art, it mainly is to utilize a rotating disk to set up two groups mould simultaneously, rotation by rotating disk drives mould conversion shaping position, makes the die cavity correspondence of mould be filled with the material injection device that difference shoots material.This " rotating disc type dual-color forming machine " in the past in design, must be erected at two composing type moulds on the rotating disk simultaneously, therefore manufacturing cost is higher, this kind " rotating disc type dual-color forming machine " also relatively is fit to be used for the ejecting product of moulding large volume, is not suitable for being applied in moulding for example on the ejecting product of the small sizes such as button of keyboard.

(3) utility model content

The purpose of this utility model provides the innovation of a kind of structure, low cost of manufacture, and is fit to be used for the shaft double-color forming machine of double-colored ejecting product of moulding small size.

Shaft double-color forming machine of the present utility model comprises: an injection unit and a molding tool, this injection unit comprises: the material injection device that is provided with at interval of every a holder, a sliding seat, two front and back between left and right, and one be installed on the sliding seat and towards the positioning mould holder of holder.

And this mould comprises: one is combined on the holder and towards the master mold of sliding seat, and one can be positioned positioning mould holder or rely on the male model of master mold, perforation connection and the die cavity relative on wherein this master mold is formed with the interval setting of two front and back and is formed at holder with material injection device, and be formed with two dies relative on this male model with described die cavity.

Characteristics of the present utility model are: this dual-color forming machine also comprises: an assembling seat, that is erected on the sliding seat is erected at the rotation controling mechanism that the rotating shaft unit, on the sliding seat is connected with described sliding seat and changes between two shaping positions with the control male model, and one is erected at the assembling seat upward to drive the traversing controlling organization of male model in a location state and a non-positioning states conversion.Wherein this rotating shaft unit comprises: but one be erected on the sliding seat and can along the central siphon of self axis rotation, one and central siphon inside and outside the central rotating shaft of fit interlock and lateral displacement, an and male model installation shaft that is attached between male model and central rotating shaft.

When traversing controlling organization drove this male model and is transformed into a non-positioning states by a location state, this rotation controling mechanism can drive male model and change between two shaping positions, made the die on this male model can be at two die cavitys on the corresponding master mold of different time.

(4) description of drawings

Below by most preferred embodiment and accompanying drawing the utility model shaft double-color forming machine is elaborated, in the accompanying drawing:

Fig. 1 is the diagrammatic top view of a preferred embodiment of the utility model dual-color forming machine, and a male model position of this dual-color forming machine is at a no-fix state among the figure.

Fig. 2 is a left side view of this preferred embodiment.

Fig. 3 is a cutaway view of being got along 3-3 line among Fig. 2.

Fig. 4 is not complete three-dimensional exploded view of this preferred embodiment, shows an assembling seat of this dual-color forming machine and the corresponding relation between a traversing controlling organization.

Fig. 5 is not complete three-dimensional exploded view of this preferred embodiment, shows a rotating shaft unit of this dual-color forming machine and the relativeness of traversing controlling organization.

Fig. 6 is the diagrammatic top view of a similar Fig. 1, and the male model position of this dual-color forming machine is at a location state among the figure.

Fig. 7 is the cutaway view of a similar Fig. 3, and a piston rod position of a traversing cylinder pressure of this traversing controlling organization is at a retracted position among the figure.

Fig. 8 is the vertical view of a similar Fig. 1, and the position is penetrated at one in a molding tool position of this dual-color forming machine among the figure.

Fig. 9 is the cutaway view of a similar Fig. 3, and a piston rod position of the single-revolution cylinder pressure of this dual-color forming machine is at an extrusion position among the figure.

Figure 10 is analysed and observe rough schematic along what 10-10 line among Fig. 9 got.

(5) specific embodiment

Consult Fig. 1,2,3, the preferred embodiment of the utility model dual-color forming machine is fit to be used for for example less and double-colored ejecting product such as keyboard of moulding, above-mentioned dual-color forming machine comprises: one is erected at injection unit 1, a molding tool 2, an assembling seat 3, one rotating shaft unit 4, a rotation controling mechanism 5, the one traversing controlling organization 6 on the not shown board, and a unloading mechanism 7.

This injection unit 1 comprises: a upright holder 11, can rely on or away from the sliding seat 12 of this holder 11, and front and back one first material injection device 13, one second material injection device 14 at interval.Wherein have on this holder 11 between left and right every one first side 111, one second side 112, and before and after two at interval and run through first perforation 113 of two sides 111,112, this first side 111 is towards sliding seat 12, second side 112 towards 113 of 13,14, two first of this material injection devices perforation respectively with an injection head 131,141 correspondences of material injection device 13,14.And this sliding seat 12 have first side 121 towards first side 111, one and first side 121 between left and right every second side 122, and one first medium pore 123 and two second perforation 124 that run through this side 121,122, this second perforation, 124 and first perforation 113 is laterally corresponding and equidistant with first medium pore 123.Injection unit 1 of the present utility model again also comprises: one is erected at the positioning mould holder 15 on first side 121 of sliding seat 12, and above-mentioned positioning mould holder 15 is at the locating slot 151 that two indents are set towards holder 11 1 sides.

This mould 2 can penetrate between a position and a non-ejaculation position one and change, comprise: one is fixedly mounted in the master mold 21 on first side 111 of holder 11, and one can be controlled and rely on or away from the male model 22 of this master mold 21, wherein have on this master mold 21 and first little die cavity 211, the one big die cavity 212 that perforation 113 communicates and front and back are provided with.And this male model 22 have two between left and right every mould side 221,222, this mould side 221 is toward two outstanding dies 223,224 of master mold 21 directions certainly, and two from the mould side 222 toward the outstanding prominent tenons 225 in location of positioning mould holders 15.When 2 of shaping mould tools during at one first shaping position, the die 223 of this male model 22 is little die cavitys 211 of corresponding master mold 21, the big die cavity 212 of another die 224 corresponding master molds 21, and when shaping mould tool 2 is transformed into one second shaping position by this first shaping position, the die 223 of this male model 22 is big die cavitys 212 of corresponding master mold 21, the little die cavity 211 of another die 224 corresponding master molds 21.

Consult Fig. 3,4, assembling seat 3 of the present utility model is to borrow four screw rods 30 to be fixedly mounted on second side 122 of sliding seat 12, above-mentioned assembling seat 3 comprises: and second side 122 between left and right every basal wall 31, two between the upper and lower every outstanding first protruded stigma 32 that is resisted against on second side 122 of turning right of this basal wall 31 certainly, two between the upper and lower every and from basal wall 31 outstanding second protruded stigma 33 that is resisted against on second side 122 of turning right, one between two groups of

protruded stigmas

32,33 straight short slot 34, and a protruded stigma 32 in upper and lower settings, 33 and and straight short slot 34 horizontal short slot 35 arranged in a crossed manner.Wherein on this basal wall 31 and horizontal short slot 35 equal-height positions offer second medium pore 311 in central authorities, and respectively the position in the 3rd perforation 312 of second medium pore, 311 left and right sides, above-mentioned second medium pore 311 and to short slot 34 directly.And the right side near second side 122 distinctly is provided with a toothrow short slot 331 towards straight short slot 34 on this second protruded stigma 33.In order to promote the locating effect of 12 of this assembling seat 3 and sliding seat, the projection on outstanding second side 122 that can be embedded out of the ordinary on its right end face of this

protruded stigma

32,33 in sliding seat 12.

Cooperate Fig. 5, this rotating shaft unit 4 can be controlled male model 22 and change between first and second shaping position, comprise: one rotatably is erected at the central rotating shaft 42 that the central siphon 41, on first medium pore 123 of sliding seat 12 is set on the central siphon 41 linkedly, and one and central rotating shaft 42 in conjunction with the male model installation shaft 43 of interlock.Wherein this central siphon 41 has a barrel 411 of establishing around a pivot axis, and one by this barrel 411 one in the axle track 413 that defines around face 412, comprise around face 412 in above-mentioned: a rounded portions that runs through along its length 414, and the along its length a plurality of and limiting section 415 that enlarges toward radial outer ends of this rounded portions 414 certainly, also has an outer face 416 that centers on again on this barrel 411, the above-mentioned outer latch 417 that has several annular arrangements around face 416 in the position of the toothrow short slot 331 of correspondence assembling seat 3.

And this central rotating shaft 42 is interior bodies of rod that cooperate around face 412 of solid and a cross section and a central siphon 41, have the interlock cover portion 421 of an axle sleeve in axle track 413, and the joint portion 422 that directly dwindles of bar, wherein an outer surface of this interlock cover portion 421 is radially given prominence to the spacing raised line 423 in several each limiting sections 415 that can stretch into central siphon 41 along its length, and a register hole 424 from right flank central authorities indent.

This rotation controling mechanism 5 is to be erected on the sliding seat 12, but and this rotating shaft unit 4 of transmission reciprocally rotation between a set angle, above-mentioned rotation controling mechanism 5 comprises: one has the revolution cylinder pressure 51 of a piston rod 511, and a toothrow 52 that is combined in piston rod 511 bottoms regularly.When 511 in piston rod during at a retracted position, the root edge of this toothrow 52 does not stretch into the toothrow short slot 331 of assembling seat 3.When 511 in piston rod during at an extrusion position, this toothrow 52 will be driven and stretch in the toothrow short slot 331, simultaneously and latch 417 engagements of central siphon 41, and then drive central siphon 41 and will rotate a setting stroke.When central siphon 41 is driven along a first direction rotation, because

central siphon

41 and 42 of central rotating shafts are fits linkedly, and 42 of male model 22 and central rotating shafts are by male model installation shaft 43 interlocks, therefore this action can drive male model 22 and changes between first and second shaping position, is meant central siphon 41 Rotate 180 degree at this setting stroke of present embodiment.

This traversing controlling organization 6 is mounted on the assembling seat 3, and function is under the situation that does not hinder rotating shaft unit 4 rotations, drives this rotating shaft unit 4 lateral displacements.Above-mentioned traversing controlling organization 6 comprises: one be erected on the basal wall 31 of assembling seat 3 and traversing cylinder pressure 61, with a piston rod 611 be installed in fixedly traversing connecting plate 63 on the piston rod 611, one and this traversing connecting plate 63 between left and right every rotation connecting plate 64, several screw rod 65 with 63, the 64 fixed ground combinations of two connecting plates, and two thrust bearings 66 that are installed on the rotation connecting plate 64, and the joint portion 422 of this central rotating shaft 42 is rotatably to be erected to rotate on the connecting plate 64.63,64 of the connecting plates of above-mentioned combination are laterally mobile along the straight short slot 34 of this assembling seat 3 limitedly.

Consult Fig. 1,2, this unloading mechanism 7 is mounted on the assembling seat 3, and the position is in the both sides, front and back of this traversing controlling organization 6, comprise: one moves back embryo unit 71, and a base of a fruit head clearing cell 72, and this moves back embryo unit 71 and base of a fruit head clearing cell 72 all is the oil hydraulic cylinder form, it is will to eject attached to the stock on the die 223,224 by the outstanding of a piston rod, perhaps will be attached to the base of a fruit head pass-out on the die 223,224, but this unloading mechanism 7 is technology in the past on Jet forming machine, no longer explanation.

Consult Fig. 6,7 figure, dual-color forming machine of the present utility model is when start, at first utilize traversing cylinder pressure 61 with connecting

plate

63,64 are pulled on the left of Fig. 7, because this central rotating shaft 42 is rotatably to be combined in to rotate on the connecting plate 64, so this central rotating shaft 42 and the male model installation shaft 43 that combines, male model 22 can be together toward shifting left, this male model 22 and positioning mould holder 15 are mutually during closing, the engaging of 151 of the locating slots of prominent tenon 225 and positioning mould holder 15 by the location of male model 22, this male model 22 can be firm the right side that is erected at positioning mould holder 15, and finish the action of location, this moment, 22 of male models were at this first shaping position.

Cooperate Fig. 8, after male model 22 and positioning mould holder 15 closings, whole sliding seat 12 can be driven toward holder 11 closings, so that allow male model 22 rely on master mold 21.Under this state, shooting material of two

material injection devices

13,14 will be injected respectively in two die cavitys 211,212 of master mold 21, wait to penetrate finish after, this sliding seat 12 will be driven toward shifting left, and just is transformed into Fig. 6 by Fig. 8, is transformed into Fig. 1 by Fig. 6 then.

Consult Fig. 1,9,10, when male model 22 and positioning mould holder 15 disengaging location, the piston rod 511 of this revolution cylinder pressure 51 can be activated down projection, therefore and drive toothrow 52 and move down, when toothrow 52 moves down with central siphon 41 engagements, central rotating shaft 42, male model installation shaft 43 and the male model 22 that just can drive fit be the Rotate 180 degree together, make this male model 22 be transformed into second shaping position by first shaping position, the little die 223 of this male model 22 is with the big die cavity 212 of corresponding master mold 21 when second shaping position.Behind male model 22 conversion shaping positions, the piston rod 611 of this traversing cylinder pressure 61 can pull to male model 22 positioning mould holder 15 (as Fig. 6) again, sliding seat 12 can rely on holder 11 (as Fig. 8) once again to carry out secondary ejaculation action then, just can produce a double-colored ejecting product whereby.

After ejaculation is finished, this sliding seat 12 will move to left once more the male and female mould was opened in 22,21 minutes, and male model 22 also can separate with positioning mould holder 15, just return to the state of Fig. 1, the piston rod 511 of this revolution cylinder pressure 51 can be activated up and move after the separation, and cause this central siphon 41 toward a second direction counter-rotating in contrast to first direction, make male model 22 reset to first shaping position.Under this state since die 224 moulding is a kind of during at the little die cavity 211 of correspondence shoots material, when male model 22 returns to second shaping position, be arranged with first kind of die that shoots material 224 and can change corresponding big die cavity 212, and can carry out the ejaculation processing of second look endlessly.And in the process that male model 22 is changed between two shaping positions, this ejecting product and base of a fruit head can be moved back embryo unit 71 and base of a fruit head clearing cell 72 pass-outs, but because to move back embryo and remove base of a fruit head be in the past design, below no longer explanation.

By above explanation as can be known, the utility model is by the cooperation of 6 of rotating shaft unit 4, rotation controling mechanism 5 and traversing controlling organizations, can drive the design that this male model 22 is changed between two shaping positions, not only do not see Jet forming machine in the past, this design also has low cost of manufacture, and effect such as suitable moulding small size ejecting product.

Claims

1. shaft double-color forming machine, comprise: an injection unit and a molding tool, this injection unit comprises: the material injection device that is provided with at interval every the holder, a sliding seat, two front and back that are provided with between left and right, and one be installed on the sliding seat and towards the positioning mould holder of holder; And this mould comprises: one is combined on the holder and towards the master mold of sliding seat, and one can be positioned positioning mould holder or rely on the male model of master mold, perforation connection and the die cavity relative on wherein this master mold is formed with the interval setting of two front and back and is formed at holder with material injection device, and be formed with two dies relative on this male model with described die cavity; Be characterised in that:

This dual-color forming machine also comprises: an assembling seat, that is erected on the sliding seat is erected at the rotation controling mechanism that the rotating shaft unit, on the sliding seat is connected with described sliding seat and changes between two shaping positions with the control male model, and one is erected at the assembling seat upward to drive the traversing controlling organization of male model in a location state and a non-positioning states conversion; Wherein this rotating shaft unit comprises: but one be erected on the sliding seat and can along the central siphon of self axis rotation, one and central siphon inside and outside the central rotating shaft of fit interlock and lateral displacement, an and male model installation shaft that is attached between male model and central rotating shaft.

2. shaft double-color forming machine as claimed in claim 1, it is characterized in that: this traversing controlling organization comprises: level be installed in assembling seat go up and have a traversing cylinder pressure of a piston rod, between left and right every a traversing connecting plate, rotate connecting plate, and regularly with several screw rods of two connecting plate combinations, wherein this traversing connecting plate is connected with piston rod, and the central rotating shaft of this rotating shaft unit is to be rotatably installed in to rotate on the connecting plate.

3. shaft double-color forming machine as claimed in claim 2 is characterized in that: this traversing controlling organization also comprises: compartment of terrain, two left and right sides is installed in the thrust bearing that rotates on the connecting plate, and this central rotating shaft is located in the described thrust bearing.

4. shaft double-color forming machine as claimed in claim 1 is characterized in that: this central siphon has one around the barrel of a central axis, and one by this barrel one in define the axle track that forms around face, central rotating shaft is linked in the described axle track.

5. shaft double-color forming machine as claimed in claim 4, it is characterized in that: the interior of this central siphon has a rounded portions that is provided with along its length on face, and several along its length and the limiting section that radially extends out, and having an interlock cover portion that is set in the axle track on this central rotating shaft, this interlock cover portion is provided with the spacing raised line in several each limiting sections that is provided with and radially charges into central siphon along its length.

6. shaft double-color forming machine as claimed in claim 4, it is characterized in that: also be formed with an outer face that centers on this barrel, position around the corresponding rotation controling mechanism of face outside this is laid with a plurality of latches, and this rotation controling mechanism comprises that one has the revolution cylinder pressure of a piston rod, and a toothrow of fixedlying connected with the piston rod of this revolution cylinder pressure, described toothrow engages with latch on the central siphon.

7. shaft double-color forming machine as claimed in claim 6, it is characterized in that: this assembling seat comprises: a upright basal wall, two give prominence to first protruded stigma that reclines from this basal wall at interval in the upper and lower toward sliding seat, two give prominence to second protruded stigma that reclines from this basal wall at interval in the upper and lower toward sliding seat, one at the straight short slot between first and second protruded stigma in twos, one between up and down between first and second protruded stigma and and the horizontal short slot that occurs simultaneously of straight short slot, and several screw rods that pass this protruded stigma, the assembling seat is combined on the sliding seat by screw rod, be formed with the toothrow short slot towards straight short slot on this second protruded stigma, toothrow stretches into described toothrow short slot.。

8. shaft double-color forming machine as claimed in claim 6 is characterized in that: traversing connecting plate and rotation connecting plate are installed on this straight short slot.