CN110142933B - Silica gel product shaping is with mould of adjustable silica gel flow - Google Patents
Silica gel product shaping is with mould of adjustable silica gel flow Download PDFInfo
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- CN110142933B CN110142933B CN201910572264.7A CN201910572264A CN110142933B CN 110142933 B CN110142933 B CN 110142933B CN 201910572264 A CN201910572264 A CN 201910572264A CN 110142933 B CN110142933 B CN 110142933B
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- cavity
- sliding
- pipeline
- switching
- communicated
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000000741 silica gel Substances 0.000 title claims abstract description 32
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 32
- 238000007493 shaping process Methods 0.000 title description 2
- 239000007788 liquid Substances 0.000 claims abstract description 95
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 230000001788 irregular Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 abstract description 6
- 229920001296 polysiloxane Polymers 0.000 abstract description 6
- 238000004891 communication Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C2045/2872—Closure devices therefor consisting of needle valve systems with at least three positions, e.g. two different open positions to control the melt flow
Abstract
The invention discloses a mold capable of adjusting silica gel flow for molding a silica gel product, which comprises a component main body, wherein a switching device is arranged in the component main body, a liquid inlet is formed in the left side of the switching device, a liquid outlet is formed in the right side of the switching device, a sealing device is arranged in the liquid inlet, a control device is arranged between the liquid inlet and the switching device as well as between the liquid inlet and the sealing device, the switching device is divided into two parts, one part is directly communicated with silica gel liquid, the channel is a necessary communication outlet, and the other part is a switching liquid outlet; the invention has simple structure and convenient operation, can selectively flow out the silicone fluid by switching the communication mode, can be selected according to the situation, and avoids the waste of raw materials caused by the flowing out of the silicone fluid due to incomplete sealing or forgetting sealing caused by misoperation compared with the traditional mode of valve control, has higher reliability and can meet various injection molding use requirements.
Description
Technical Field
The invention relates to the technical field of connecting pipe fittings, in particular to a mold capable of adjusting silica gel flow for molding a silica gel product.
Background
In the injection molding process of a silica gel product, the flow of injected silica gel liquid needs to be controlled, and silica gel injection molding equipment in the prior art can often adopt the form of a single valve of each injection molding pipeline to control the flow of the silica gel, so that leakage is easily caused due to untight closing of the valve or damage of the valve, the waste of the silica gel liquid is not caused, and meanwhile, unnecessary troubles are possibly brought.
Disclosure of Invention
The invention aims to provide a mold capable of adjusting silica gel flow for molding a silica gel product, which is used for overcoming the defects in the prior art.
The mold capable of adjusting the silica gel flow for molding the silica gel product comprises a component main body, wherein a switching device is arranged in the component main body, a liquid inlet is formed in the left side of the switching device, a liquid outlet is formed in the right side of the switching device, a sealing device is arranged in the liquid inlet, a control device is arranged between the liquid inlet and the switching device and between the liquid inlet and the sealing device, the switching device is divided into two parts, one part is directly communicated with silica gel liquid, a channel is communicated with a necessary outlet, the other part is a switching liquid outlet, the switching device comprises a T-shaped pipe which is rotatably arranged in the component main body, a toothed ring is fixedly arranged on the excircle of the left end of the T-shaped pipe, the T-shaped pipe can be meshed with the control device, liquid communication pipelines are arranged in the T-shaped pipe in a left-right penetrating manner, the, a switching liquid outlet with a downward opening is communicated with the lower side of the liquid passing pipeline, pipeline sliding cavities are arranged in the assembly body and around the T-shaped pipe fitting in an annular array mode, sliding pipelines are slidably arranged in the pipeline sliding cavities, one end, close to an annular symmetry center, of each sliding pipeline can extend into the corresponding switching liquid outlet to be in sealing connection with the inner wall of the corresponding switching liquid outlet, a guide pipeline is arranged in each sliding pipeline in a penetrating mode and is a selectable liquid outlet, after the liquid passing direction is selected, the T-shaped pipe fitting is rotated, the switching liquid outlet is aligned to the selected direction, the T-shaped pipe fitting is clamped through a control device to prevent the T-shaped pipe fitting from automatically rotating, then the sliding pipelines in the selected direction extend into the switching liquid outlet to further communicate the switching liquid outlet with the pipeline sliding cavities in the selected direction, and a switching motor and a control motor are arranged in the control, the switching motor is used for controlling the closing and opening of the closing device and controlling the switching control of the control motor, and the control motor can control the rotation of the T-shaped pipe fitting and the sliding of the sliding pipeline.
In a further technical scheme, the switching device comprises a rotary switching cavity arranged in the assembly body, the front side and the rear side of the rotary switching cavity are communicated with a pipeline rotary cavity, a T-shaped pipe fitting penetrating through the rotary switching cavity is rotatably arranged in the pipeline rotary cavity, a liquid passing pipeline is arranged in the T-shaped pipe fitting in a left-right penetrating manner, the outer wall of one side of the T-shaped pipe fitting, which is positioned at the part of the rotary switching cavity, is convex, a switching liquid outlet which is communicated with the liquid passing pipeline and has an outward opening is arranged in the T-shaped pipe fitting in a penetrating manner, the right wall of the pipeline rotary cavity is communicated with the liquid outlet with a right opening, a transmission cavity is arranged in the left side of the pipeline rotary cavity in a communicating manner, the left end of the T-shaped pipe fitting extends into the transmission cavity, the clamping grooves with a left opening are fixedly arranged on the outer circular surface, the transmission chamber left side intercommunication is equipped with the opening leftwards the inlet, the rotatory chamber right wall of pipeline with transmission chamber left side wall symmetry and fixed being equipped with extend to lead to the fixed pipeline in the liquid pipeline, fixed pipeline extends to lead to the fixed annular seal piece that is provided with of one end in the liquid pipeline, fixed pipeline with run through in the annular seal piece and control and be equipped with logical silica gel liquid mouth, the right side with the liquid outlet is linked together, left with the inlet is linked together.
The technical scheme is that the rotary switching cavity is provided with a pipeline sliding cavity communicated with the outside in an upper, lower, front and rear inner wall annular array manner, the pipeline sliding cavity is internally provided with the sliding pipeline in a sliding manner, the guiding pipeline penetrates through the sliding pipeline, the left side of the pipeline sliding cavity is communicated with a guiding sliding cavity, the left end of the sliding pipeline is fixedly provided with a guiding sliding rod extending into the guiding sliding cavity, a reset spring is fixedly connected between one end of the guiding sliding rod far away from the center and the inner wall of the guiding sliding cavity far away from the center, the left side of the guiding sliding cavity is communicated with an annular turntable cavity, an irregular turntable is rotatably arranged in the annular turntable cavity, the left end of the guiding sliding rod extends into the annular turntable cavity, one end of the guiding sliding rod close to the symmetry center is abutted against the outer ring of the irregular turntable, and the left side of the annular turntable cavity is communicated with an inner gear ring cavity, the inner ring inner wall of inner ring chamber upside with transmission chamber upper wall communicates mutually, interior rotatable annular internal gear that is equipped with, the outer disc of annular internal gear with running fit connects between the outer ring inner wall of inner ring chamber, the annular internal gear right-hand member extends to annular carousel intracavity and fixed connection in on the irregular carousel left side terminal surface, be equipped with the interior tooth chamber of annular in the annular internal gear.
In a further technical scheme, the control device comprises a control cavity arranged at the upper left side in the component main body, the lower wall of the control cavity is fixedly provided with the switching motor, the upper end of the switching motor is connected with a three-quarter bevel gear in a power fit manner, the upper end of the three-quarter bevel gear is fixedly connected with a quarter bevel gear, the left end of the quarter bevel gear is rotatably provided with a reel bevel gear which can be meshed with the quarter bevel gear, the reel bevel gear is connected with the sealing device, the right end of the three-quarter bevel gear is rotatably provided with a turntable bevel gear which can be meshed with the turntable bevel gear, the right side of the control cavity is provided with a turntable cavity, the right end of the turntable bevel gear is fixedly connected with a control turntable through a rotating shaft extending into the turntable cavity, the right side of the turntable cavity is communicated with, a linear sliding groove with a leftward opening is formed in the left end face of the switching block, a sliding rod which extends into the linear sliding groove and is connected with the linear sliding groove in a sliding manner is fixedly connected at the eccentric position of the right end face of the control turntable, a telescopic spring switching block is fixedly connected between the lower end of the switching block and the lower wall of the sliding switching cavity, a control motor is arranged in the switching block, the right wall of the sliding switching cavity is communicated with the inner wall of the left side of the transmission cavity, the right end of the control motor is connected with a driving straight gear in a power fit manner through a rotating shaft which extends into the transmission cavity, the driving straight gear is positioned at the upper end, a pushing block cavity is communicated with the lower side of the sliding switching cavity, a pushing block which extends into the pushing block cavity is fixedly connected at the lower end of the switching block, a clamping block sliding cavity with the right side communicated with the transmission cavity is communicated, and a jacking spring is fixedly connected between the left end of the fixture block and the left wall of the sliding cavity of the fixture block, a groove with an upward opening is formed in the upper end surface of the fixture block, and the lower end of the push block can extend into the groove.
In a further technical scheme, the sealing device comprises baffle cavities which are symmetrically communicated with the upper side and the lower side of the liquid inlet, a baffle is arranged in the baffle cavity in a sliding manner, a compression spring is fixedly connected between one end of the baffle far away from the symmetry center and the inner wall of the baffle cavity far away from the symmetry center, a reel cavity is arranged on the upper side of the baffle cavity on the upper side, a winding wheel is rotatably arranged in the winding wheel cavity, the right end of the winding wheel is fixedly connected to the left end face of the winding wheel bevel gear through a rotating shaft, the winding wheel is provided with two stay wires in a winding mode, the lower wall of the winding wheel cavity is communicated with two wire through holes, one wire is communicated with the upper side of the upper wall of the baffle cavity, the other wire is communicated with the lower side of the inner wall of the lower side of the baffle cavity, and the two stay wires penetrate through the two wire through holes and are fixedly connected to the end face, far away from the symmetric center, of the baffle respectively.
The invention has the beneficial effects that: the invention has simple structure and convenient operation, can selectively flow out the silicone fluid by switching the communication mode, can be selected according to the situation, and avoids the waste of raw materials caused by the flowing out of the silicone fluid due to incomplete sealing or forgetting sealing caused by misoperation compared with the traditional mode of valve control, has higher reliability and can meet various injection molding use requirements.
Drawings
FIG. 1 is a schematic view of the internal structure of a mold for molding a silica gel product according to the present invention, with adjustable silica gel flow;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is an enlarged schematic view of "B" in FIG. 1;
FIG. 4 is a left side view of the "irregular turntable" according to the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 4, the mold for adjusting silica gel flow rate for molding silica gel product according to the embodiment of the present invention includes a component main body 11, a switching device is disposed in the component main body 11, a liquid inlet 12 is disposed on the left side of the switching device, a liquid outlet 16 is disposed on the right side of the switching device, a sealing device is disposed in the liquid inlet 12, a control device is disposed between the liquid inlet 12 and the switching device and between the sealing device, the switching device is divided into two parts, one part is a straight silica gel liquid outlet, the channel is a through outlet, the other part is a switching liquid outlet, the switching device includes a T-shaped pipe 13 rotatably disposed in the component main body 11, a toothed ring 26 is fixedly disposed on an outer circle of the left end of the T-shaped pipe 13, the toothed ring 26 can be engaged with the control device, a liquid passing pipe 14 penetrates the T-shaped pipe 13 from left to right, the left side of the liquid passing pipe 14 is A switching liquid outlet 15 with a downward opening is communicated with the lower side of the liquid passing pipe 14, a pipe sliding cavity 17 is arranged in the assembly main body 11 and in an annular array around the T-shaped pipe 13, a sliding pipe 18 is slidably arranged in the pipe sliding cavity 17, one end of the sliding pipe 18 close to the annular symmetry center can extend into the switching liquid outlet 15 to be in sealed connection with the inner wall of the switching liquid outlet 15, a guide pipe 27 penetrates through the sliding pipe 18, the guide pipe 27 is an optional liquid outlet, when the liquid passing direction is selected, the T-shaped pipe 13 is rotated to align the switching liquid outlet 15 to the selected direction, the T-shaped pipe 13 is clamped by a control device to be prevented from automatically rotating, then the sliding pipe 18 in the selected direction extends into the switching liquid outlet 15, and further the switching liquid outlet 15 is communicated with the pipe sliding cavity 17 in the selected direction, a switching motor 19 and a control motor 20 are arranged in the control device, the switching motor 19 controls the opening and closing of the sealing device and controls the switching control of the control motor 20, and the control motor 20 can control the rotation of the T-shaped pipe fitting 13 and the sliding of the sliding pipeline 18.
Beneficially or exemplarily, the switching device includes a rotary switching cavity 21 disposed in the assembly body 11, a pipeline rotating cavity 22 is disposed in the rotary switching cavity 21 and is communicated with the front side and the rear side of the rotary switching cavity 21, the T-shaped pipe 13 passing through the rotary switching cavity 21 is rotatably disposed in the pipeline rotating cavity 22, the liquid passing pipeline 14 is disposed in the T-shaped pipe 13 in a left-right penetrating manner, an outer wall of one side of the T-shaped pipe 13 located in the rotary switching cavity 21 is convex, the switching liquid outlet 15 communicating with the liquid passing pipeline 14 and opening outward is disposed in the T-shaped pipe 13 in a penetrating manner, the liquid outlet 16 opening rightward is disposed in the right wall of the pipeline rotating cavity 22 in a communicating manner, a transmission cavity 28 is disposed in the left side of the pipeline rotating cavity 22 in a communicating manner, the left end of the T-shaped pipe 13 extends into the transmission cavity 28 and is fixedly disposed on an outer circular surface of the T-, Lower, preceding, back annular symmetry are equipped with opening draw-in groove 29 to the left, 28 left sides intercommunication in transmission chamber is equipped with the opening to the left inlet 12, pipeline rotation chamber 22 right wall with 28 left sides wall symmetry in transmission chamber and fixed being equipped with extend to lead to fixed pipeline 23 in the liquid pipeline 14, fixed pipeline 23 extends to lead to the fixed annular seal piece 24 that is provided with of one end in the liquid pipeline 14, fixed pipeline 23 with it is equipped with logical silica gel liquid mouth 25 to run through about and in the annular seal piece 24 intercommunication, the right side 25 with liquid outlet 16 is linked together, and is left 25 with inlet 12 is linked together.
Beneficially or exemplarily, the rotary switching cavity 21 is provided with the pipeline sliding cavity 17 communicated with the outside in an annular array of upper, lower, front and rear inner walls, the sliding pipeline 18 is slidably arranged in the pipeline sliding cavity 17, the guide pipeline 27 is arranged in the sliding pipeline 18 in a penetrating manner, the left side of the pipeline sliding cavity 17 is provided with the guide sliding cavity 30 in a communicating manner, the left end of the sliding pipeline 18 is fixedly provided with the guide sliding rod 31 extending into the guide sliding cavity 30, a return spring 32 is fixedly connected between one end of the guide sliding rod 31 far from the center and the inner wall of the side of the guide sliding cavity 30 far from the center, the left side of the guide sliding cavity 30 is provided with the annular turntable cavity 33 in a communicating manner, the annular turntable cavity 33 is rotatably provided with the irregular turntable 34, the left end of the guide sliding rod 31 extends into the annular turntable cavity 33, one end of the guide sliding rod 31 close to the symmetric center abuts against the outer ring of the irregular turntable 34, annular carousel chamber 33 left side intercommunication is equipped with inner gear ring chamber 35, the inner ring inner wall of inner gear ring chamber 35 upside with 28 upper walls of transmission chamber communicate mutually, interior rotatable annular internal gear 36 that is equipped with, the outer disc of annular internal gear 36 with running fit connects between the inner ring outer wall of inner gear ring chamber 35, annular internal gear 36 right-hand member extends to annular carousel intracavity 33 and fixed connection in on the terminal surface of irregular carousel 34 left side, be equipped with annular internal gear chamber 37 in the annular internal gear 36.
Advantageously or exemplarily, the control device comprises a control chamber 38 disposed at the upper left side in the assembly body 11, the lower wall of the control chamber 38 is fixedly provided with the switching motor 19, the upper end of the switching motor 19 is connected with a three-quarter bevel gear 39 in a power fit manner, the upper end of the three-quarter bevel gear 39 is fixedly connected with a quarter bevel gear 40, the left end of the quarter bevel gear 40 is rotatably provided with a reel bevel gear 41 capable of meshing with the reel bevel gear, the reel bevel gear 41 is connected to the closing device, the right end of the three-quarter bevel gear 39 is rotatably provided with a turntable bevel gear 42 capable of meshing with the three-quarter bevel gear, the right side of the control chamber 38 is provided with a turntable chamber 43, the right end of the turntable bevel gear 42 is fixedly connected with a control turntable 44 through a rotating shaft extending into the turntable chamber 43, the right side of the turntable chamber, the sliding switch cavity 45 is internally provided with a switch block 46 capable of sliding up and down, the left end face of the switch block 46 is internally provided with a linear chute 47 with a left opening, the eccentric part of the right end face of the control turntable 44 is fixedly connected with a sliding rod 48 extending into the linear chute 47 and connected with the linear chute in a sliding manner, the lower end of the switch block 46 is fixedly connected with a telescopic spring switch block 46 between the lower wall of the sliding switch cavity 45, the switch block 46 is internally provided with the control motor 20, the right wall of the sliding switch cavity 45 is communicated with the inner wall at the left side of the transmission cavity 28, the right end of the control motor 20 is connected with a driving spur gear 49 through a rotating shaft power fit extending into the transmission cavity 28, the driving spur gear 49 is positioned at the upper end of the switch block 26, the lower side of the sliding switch cavity 45 is communicated with a push block cavity 50, the lower end of the switch block 46, a clamping block sliding cavity 52 with the right side communicated with the transmission cavity 28 is arranged on the lower side of the push block cavity 50 in a communicating manner, a clamping block 53 with the right end capable of extending into the clamping groove 29 is slidably arranged in the clamping block sliding cavity 52, a jacking spring 54 is fixedly connected between the left end of the clamping block 53 and the left wall of the clamping block sliding cavity 52, a groove 55 with an upward opening is arranged in the upper end face of the clamping block 53, and the lower end of the push block 51 can extend into the groove 55.
Advantageously or exemplarily, the closing means comprises baffle cavities 56 symmetrically and communicatively arranged at the upper and lower sides of the liquid inlet 12, a baffle 57 is slidably arranged in the baffle cavity 56, a compression spring 58 is fixedly connected between one end of the baffle 57 far away from the symmetry center and the inner wall of the baffle cavity 56 far away from the symmetry center, a reel cavity 59 is arranged on the upper side of the baffle cavity 56 on the upper side, a winding wheel 60 is rotatably arranged in the winding wheel cavity 59, the right end of the winding wheel 60 is fixedly connected to the left end face of the winding wheel bevel gear 41 through a rotating shaft, two pull wires 61 are wound on the winding wheel 60, two wire through holes 62 are formed in the lower wall of the winding wheel cavity 59 in a communicating mode, one wire through hole is communicated with the upper wall of the baffle cavity 56 at the upper side, the other wire through hole is communicated with the lower inner wall of the baffle cavity 56 at the lower side, and the two pull wires 61 penetrate through the two wire through holes 62 and are fixedly connected to the end face of the baffle 57 far away from the symmetrical center.
In the initial state, the baffles 57 are close to each other to close the liquid inlet 12, and the switching block 46 is located at the middle position, wherein the quarter bevel gear 40 is not engaged with the reel bevel gear 41, and the three-quarter bevel gear 39 is not engaged with the turntable bevel gear 42.
When the device is used, the switching motor 19 is started to drive the three-quarter bevel gear 39 to rotate, the three-quarter bevel gear 39 is meshed with the rotary disc bevel gear 42 and drives the rotary disc bevel gear to rotate, the control rotary disc 44 is driven to rotate by ninety degrees, the switching block 46 is driven to ascend through the sliding rod 48, the upper end of the driving spur gear 49 is meshed with the inner teeth of the annular inner tooth cavity 37, the control motor 20 is started to drive the driving spur gear 49 to rotate, the annular inner gear 36 is driven to rotate by forty-five degrees through gear meshing, the irregular rotary disc 34 is driven to rotate by forty-five degrees, the convex part of the outer end face of the irregular rotary disc 34 is abutted against the guide sliding rod 31 to push the guide sliding rod 31 to move in the direction far away from the symmetric center, the sliding pipeline 18 is separated from the switching liquid outlet 15, the control rotary disc 44 continues to rotate by one hundred eigh, then the pushing block 51 is driven to move downwards, at this time, the lower end of the pushing block 51 extends into the groove 55 and drives the clamping block 53 to move left, at this time, the right end of the clamping block 53 is separated from the clamping groove 29 opposite to the clamping block 53, at this time, the lower end of the driving spur gear 49 is meshed with the upper end of the driving spur gear 26, at this time, the control motor 20 is started, and further drives the driving spur gear 49 to rotate, and further drives the driving spur gear 26 to rotate through gear meshing, and further drives the T-shaped pipe 13 to rotate, and further according to the required channel direction, the switching liquid outlet 15 is aligned with the selected direction, at this time, the switching motor 19 is reversed, and further drives the switching block 46 to move upwards, the driving spur gears 49 are disengaged from the 26, at the same time, the right end of the clamping block 53 extends into the clamping groove 29 opposite to the clamping block 13, at this time, the sliding pipe 18 is contracted inward, wherein the sliding pipe 18 opposite to the switching outlet 15 extends into the switching outlet 15 near the center end, the switching liquid outlet 15 is communicated with the pipeline sliding cavity 17 in the selected direction through the conducting pipeline 27, the switching motor 19 continuously rotates reversely when rotating reversely to the initial state, the quarter bevel gear 40 is meshed with the winding wheel bevel gear 41 and drives the winding wheel bevel gear 41 to rotate, thereby driving the winding wheel 60 to rotate, further tightening the pull wire 61, further pulling the baffle plates 57 to move in the direction away from each other, then the liquid inlet 12 is opened, at the moment, the silica gel liquid flows in from the liquid inlet 12, flows into the liquid through pipeline 14 through the left side 25, flows into the liquid outlet 16 through the right side 25 and flows out, meanwhile, the silica gel liquid in the liquid guide pipe 14 flows into the guide pipe 27 in the selected direction through the switching liquid outlet 15 and flows into the use through the pipe sliding cavity 17 in the selected direction.
The invention has the beneficial effects that: the invention has simple structure and convenient operation, can selectively flow out the silicone fluid by switching the communication mode, can be selected according to the situation, and avoids the waste of raw materials caused by the flowing out of the silicone fluid due to incomplete sealing or forgetting sealing caused by misoperation compared with the traditional mode of valve control, has higher reliability and can meet various injection molding use requirements.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (1)
1. A silica gel product molding is with mould of adjustable silica gel flow, including the module body, be provided with auto-change over device in the module body, the auto-change over device left side is equipped with the inlet, the right side is equipped with the liquid outlet, be equipped with the closing means in the inlet, inlet and auto-change over device and be provided with controlling means between the closing means, the auto-change over device divides into two parts, a part is the straight-through goes out silica gel liquid, this passageway is must lead to the export, another part is the switching liquid outlet, the auto-change over device includes rotatable T type pipe fitting of locating in the module body, the excircle of T type pipe fitting left end is fixed and is equipped with the ring gear, the ring gear can engage in the controlling means, it has liquid pipeline to run through from side to side in the T type pipe fitting, it is linked together with the inlet and its right, a switching liquid outlet with a downward opening is communicated with the lower side of the liquid passing pipeline, pipeline sliding cavities are arranged in the assembly body and around the T-shaped pipe fitting in an annular array mode, sliding pipelines are slidably arranged in the pipeline sliding cavities, one end, close to an annular symmetry center, of each sliding pipeline can extend into the corresponding switching liquid outlet to be in sealing connection with the inner wall of the corresponding switching liquid outlet, a guide pipeline is arranged in each sliding pipeline in a penetrating mode and is a selectable liquid outlet, after the liquid passing direction is selected, the T-shaped pipe fitting is rotated, the switching liquid outlet is aligned to the selected direction, the T-shaped pipe fitting is clamped through a control device to prevent the T-shaped pipe fitting from automatically rotating, then the sliding pipelines in the selected direction extend into the switching liquid outlet to further communicate the switching liquid outlet with the pipeline sliding cavities in the selected direction, and a switching motor and a control motor are arranged in the control, the switching motor is used for controlling the opening and closing of the sealing device and controlling the switching control of the control motor, and the control motor can control the rotation of the T-shaped pipe fitting and the sliding of the sliding pipeline; the switching device comprises a rotary switching cavity arranged in the assembly main body, the front side and the rear side of the rotary switching cavity are communicated with a pipeline rotating cavity, the pipeline rotating cavity is rotatably provided with a T-shaped pipe fitting penetrating through the rotary switching cavity, the left side and the right side of the T-shaped pipe fitting are provided with the liquid passing pipeline in a penetrating manner, the outer wall of one side of the T-shaped pipe fitting, which is positioned at the part of the rotary switching cavity, is in a convex shape, the switching liquid outlet which is communicated with the liquid passing pipeline and has an outward opening is arranged in the pipeline rotating cavity in a penetrating manner, the right wall of the pipeline rotating cavity is communicated with the liquid outlet with a right opening, the left side of the pipeline rotating cavity is communicated with a transmission cavity, the left end of the T-shaped pipe fitting extends into the transmission cavity, the circular surface of the T-shaped pipe fitting is fixedly provided with the T-shaped pipe fitting, the upper end, the right wall of the pipeline rotating cavity is symmetrical to the left wall of the transmission cavity and is fixedly provided with a fixed pipeline extending into the liquid passing pipeline, one end of the fixed pipeline extending into the liquid passing pipeline is fixedly provided with an annular sealing block, the fixed pipeline is communicated with the inside of the annular sealing block and is provided with a silica gel liquid passing port in a left-right penetrating manner, the right side of the fixed pipeline is communicated with the liquid outlet, and the left side of the fixed pipeline is communicated with the liquid inlet; the rotary switching cavity is internally provided with the pipeline sliding cavity communicated with the outside, the pipeline sliding cavity is internally provided with the sliding pipeline in a sliding way, the guiding pipeline penetrates through the sliding pipeline, the left side of the pipeline sliding cavity is communicated with the guiding sliding cavity, the left end of the sliding pipeline is fixedly provided with a sliding guide rod extending into the guiding sliding cavity, a reset spring is fixedly connected between one end of the sliding guide rod far away from the center and the inner wall of the sliding guide cavity far away from the center, the left side of the guiding sliding cavity is communicated with an annular turntable cavity, the annular turntable cavity is rotatably provided with an irregular turntable, the left end of the sliding guide rod extends into the annular turntable cavity, one end of the sliding guide rod close to the symmetry center is abutted against the outer ring of the irregular turntable, and the left side of the annular turntable cavity is communicated with an inner tooth annular cavity, the inner ring inner wall of the upper side of the inner gear ring cavity is communicated with the upper wall of the transmission cavity, an annular inner gear is rotatably arranged in the inner ring, the outer circular surface of the annular inner gear is in rotating fit connection with the outer ring inner wall of the inner gear ring cavity, the right end of the annular inner gear extends into the annular turntable cavity and is fixedly connected to the left end face of the irregular turntable, and an annular inner gear cavity is formed in the annular inner gear; the control device comprises a control cavity arranged at the upper left side in the component main body, the lower wall of the control cavity is fixedly provided with the switching motor, the upper end of the switching motor is in power fit connection with a three-quarter bevel gear, the upper end of the three-quarter bevel gear is fixedly connected with a quarter bevel gear, the left end of the quarter bevel gear is rotatably provided with a reel bevel gear which can be meshed with the quarter bevel gear, the reel bevel gear is connected with the sealing device, the right end of the three-quarter bevel gear is rotatably provided with a turntable bevel gear which can be meshed with the three-quarter bevel gear, the right side of the control cavity is provided with a turntable cavity, the right end of the turntable bevel gear is fixedly connected with a control turntable through a rotating shaft extending into the turntable cavity, the right side of the turntable cavity is communicated with a sliding switching cavity, a switching block is arranged in the, the eccentric part of the right end face of the control turntable is fixedly connected with a sliding rod which extends into the linear sliding groove and is connected with the linear sliding groove in a sliding manner, a telescopic spring switching block is fixedly connected between the lower end of the switching block and the lower wall of the sliding switching cavity, the control motor is arranged in the switching block, the right wall of the sliding switching cavity is communicated with the inner wall of the left side of the transmission cavity, the right end of the control motor is connected with a driving straight gear through a rotating shaft which extends into the transmission cavity in a power fit manner, the driving straight gear is positioned at the upper end, the lower side of the sliding switching cavity is communicated with a push block cavity, the lower end of the switching block is fixedly connected with a push block which extends into the push block cavity, the lower side of the push block cavity is communicated with a fixture block sliding cavity, the right end of the fixture block which can extend into the clamping groove is slidably arranged in the fixture sliding cavity, and a, a groove with an upward opening is formed in the upper end face of the clamping block, and the lower end of the push block can extend into the groove; the closing means includes that symmetry and intercommunication are located the baffle chamber of both sides about the inlet, baffle intracavity slidable is equipped with the baffle, the baffle keep away from symmetry center one end with the baffle chamber keep away from fixedly connected with compression spring between the inner wall of symmetry center one side, the upside baffle chamber upside is equipped with the reel chamber, the rotatable take-up reel that is equipped with in reel chamber, the take-up reel right-hand member through pivot fixed connection in on the reel bevel gear left side terminal surface, it acts as go-between to wind to take-up reel on taking turns to, reel chamber lower wall intercommunication is equipped with two through-wire holes, one communicate in the upside the upper wall in baffle chamber, one communicate in the downside of baffle chamber inner wall, two act as go-between passes two respectively through-wire hole and respectively fixed connection in on the baffle keeps away from symmetry center side terminal surface.
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| CN201910572264.7A CN110142933B (en) | 2019-06-28 | 2019-06-28 | Silica gel product shaping is with mould of adjustable silica gel flow |
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| CN201910572264.7A CN110142933B (en) | 2019-06-28 | 2019-06-28 | Silica gel product shaping is with mould of adjustable silica gel flow |
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| CN110142933B true CN110142933B (en) | 2021-02-19 |
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| CN109093947A (en) * | 2018-07-27 | 2018-12-28 | 芜湖市崇兴乐塑胶有限公司 | A kind of plastics-production mold of adjustable plastic flow of molten |
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| CN1530212A (en) * | 2003-02-13 | 2004-09-22 | ����ģ | Valve runner injecting shaping system with separate flow control |
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Effective date of registration: 20210127 Address after: 528400 1st and 2nd floors of No.2 factory building, 107 Zhongshan port Avenue, Torch Development Zone, Zhongshan City, Guangdong Province Applicant after: Zhongshan city tree precision mold Ltd. Address before: 2 / F, No.17, Lane 41, Chifeng Road, Chian Town, Yiwu City, Jinhua City, Zhejiang Province 321000 Applicant before: Yiwu Yode New Materials Co.,Ltd. |
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