CN213412778U - Injection molding mold mechanism for safety seat - Google Patents

Injection molding mold mechanism for safety seat Download PDF

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Publication number
CN213412778U
CN213412778U CN202022272892.4U CN202022272892U CN213412778U CN 213412778 U CN213412778 U CN 213412778U CN 202022272892 U CN202022272892 U CN 202022272892U CN 213412778 U CN213412778 U CN 213412778U
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core
safety seat
pulling
sub
ejection
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CN202022272892.4U
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Chinese (zh)
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胡杰
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Ningbo University of Technology
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Ningbo University of Technology
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Abstract

The utility model discloses a safety seat injection moulding mould mechanism, it relates to safety seat production auxiliary device's technical field, its main part is provided with the movable mould board, be provided with the mechanism of loosing core on the movable mould board, the mechanism of loosing core is provided with two at least, the mechanism of loosing core is divided into first core-pulling piece and second core-pulling piece, wherein, first core-pulling piece correspondence sets up in safety seat's handrail bedplate department, the second is loosed core the piece and is corresponded and set up in safety seat's back department, through adding a plurality of mechanisms of loosing core, realize the multiple spot to safety seat, the omnidirectional drawing of core the drawing of patterns, make its drawing of patterns more thorough.

Description

Injection molding mold mechanism for safety seat
Technical Field
The utility model relates to a safety seat produces auxiliary device's technical field, in particular to safety seat injection moulding mould mechanism.
Background
The seat part injection molding mechanism is a tool for producing plastic seats, and also a tool for endowing plastic products with complete structures and accurate sizes, and the injection molding is a processing method used in batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification. The plastic seat has fast forming, low cost and excellent market foreground. However, the plastic seat is usually composed of a plurality of forming surfaces of a seat plate, a backrest and armrests, so that a mechanism with a plurality of demoulding mechanisms for realizing multi-directional demoulding of the plastic part needs to be designed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a safety seat injection moulding mould mechanism can avoid safety seat to influence the quality of moulding because of the drawing of patterns is insufficient, realizes the multiple spot to safety seat, the all-round drawing of core drawing of patterns.
In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a safety seat injection moulding mould mechanism, its main part is provided with the movable mould board, be provided with the mechanism of loosing core on the movable mould board, the mechanism of loosing core is provided with two at least, the mechanism of loosing core is first core-pulling piece and second core-pulling piece respectively, first core-pulling piece corresponds and sets up in safety seat's handrail bedplate department, the second core-pulling piece corresponds and sets up in safety seat's back department.
By adopting the technical scheme, the movable mould plate is provided with the core-pulling mechanisms with the number not less than two, and the core-pulling mechanisms are respectively and correspondingly arranged at the armrest seat plate and the backrest of the safety seat, so that the multipoint core-pulling and demoulding of the armrest seat plate and the backrest of the safety seat are realized, and the movable mould plate is thoroughly separated from the movable mould plate.
Preferably, the main body of the safety seat is further provided with a fixed die plate, a cavity for inverting the safety seat is formed between the fixed die plate and the movable die plate, and a positioning tiger's mouth is arranged between the fixed die plate and the movable die plate.
By adopting the technical scheme, the safety seat realizes the injection molding process through the cavity formed by the fixed die plate and the movable die plate, and the safety seat and the movable die plate realize direct positioning and connection by utilizing the positioning jaw, and the structure is simple.
Preferably, the first core-pulling member is provided with an inner side demolding assembly, and the inner side demolding assembly is correspondingly arranged on the inner side of the safety seat armrest.
Through adopting above-mentioned technical scheme, inboard drawing of core, the drawing of patterns to the safety seat handrail inboard can be realized to inboard setting of inboard drawing of patterns subassembly.
Preferably, the first core-pulling part is provided with an outer side demoulding assembly, the outer side demoulding assembly is correspondingly arranged on the outer side of the seat plate of the safety seat armrest, the outer side demoulding assembly is provided with a sub core-pulling mechanism, the sub core-pulling mechanism comprises a sub mechanism QB, and the sub mechanism QB is correspondingly arranged at the bending position of the safety seat armrest.
Through adopting above-mentioned technical scheme, outside drawing of patterns subassembly can realize loosing core, the drawing of patterns to the safety seat handrail and the bedplate outside, and the sub-mechanism QB among the sub-mechanism of loosing core can carry out local drawing of patterns to handrail bending part.
Preferably, the sub-core-pulling mechanism comprises a sub-mechanism QA, and the sub-mechanism QA is correspondingly arranged at the edge of the seat plate of the safety seat.
By adopting the technical scheme, the sub-mechanism QA can realize local demoulding of the seat plate.
Preferably, the core-pulling mechanism comprises a sub-mechanism QC, and the sub-mechanism QC is correspondingly arranged on the upper surface of the safety seat armrest.
Through adopting above-mentioned technical scheme, sub-mechanism QC can carry out local drawing of patterns to handrail upper groove.
Preferably, the inner stripper assembly includes a lifter block and a lifter spring connected below the lifter block.
Through adopting above-mentioned technical scheme, the oblique ejector spring transmits the effort for oblique kicking block takes place to remove, thereby realizes the drawing of patterns process.
Preferably, the core pulling mechanism is further provided with an ejection mechanism, and the ejection mechanism comprises a secondary ejection mechanism.
By adopting the technical scheme, the ejection mechanism can assist the core pulling mechanism to complete the demoulding process and realize complete demoulding.
Preferably, the ejection mechanism is provided with a primary ejection mechanism, and the primary ejection mechanism is connected to the second core pulling piece.
By adopting the technical scheme, the first-stage ejection mechanism connected with the second core-pulling piece can drive the second core-pulling piece to move.
Preferably, the ejection mechanism is provided with a plug-in lever type shutter, and two ends of the plug-in lever type shutter are connected with the primary ejection mechanism and the secondary ejection mechanism.
By adopting the technical scheme, the linkage of the primary ejection mechanism and the secondary ejection mechanism can be realized by arranging the inserted link type shutter.
Compared with the prior art, the utility model has the advantages of: (1) the core pulling mechanism is divided into a first core pulling piece and a second core pulling piece, and the first core pulling piece and the second core pulling piece respectively correspond to the armrest seat plate and the backrest of the safety seat, so that multipoint and omnibearing demoulding action is realized, and the quality problem of the safety seat caused by insufficient demoulding is avoided; (2) adding an outer demolding assembly in the first core pulling piece, wherein a sub-mechanism QB in the outer demolding assembly is correspondingly arranged at the bending part of the armrest of the safety seat, so that the partial armrest is demolded; (3) the ejection mechanism is divided into two stages of ejection actions to complete the ejection of the safety seat, a plug-in lever type shutter is arranged between the first-stage ejection mechanism and the second-stage ejection mechanism, and the linkage process of the first-stage ejection mechanism and the second-stage ejection mechanism is realized by the plug-in lever type shutter, so that the ejection actions are more convenient to complete.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is an exploded view of example 1;
FIG. 3 is a partial schematic structural view of a sub mechanism QA in example 1;
FIG. 4 is a schematic view showing a partial structure of a neutron mechanism QB in embodiment 1;
FIG. 5 is a partial structural view of a neutron mechanism QC in example 1;
fig. 6 is a partial schematic structural view of the second core pulling member in example 1;
FIG. 7 is a schematic sectional view of example 1;
fig. 8 is a front view of embodiment 1.
In the figure: 1-moving the template; 2-a first core puller member; 210-inside stripper assembly; 211-angle top block; 212-pitched roof spring; 220-outside stripper assembly; 230-sub-organization QA; 231-a small oil cylinder; 232-wedge forming drive block; 233-side core extraction block; 234-side core pulling spring; 240-sub mechanism QB; 241-inclined mandril; 242-QB slider; 250-subsidiary mechanism QC; 251-handrail forming rods; 252-a transverse tie bar; 253-top post; 260-main slider mechanism; 261-a slider oil cylinder; 262-main slide block; 3-a second core member; 310-a second cylinder; 320-a second slider; 330-inclined top head; 340-T-shaped groove top column; 4-a safety seat; 5-fixing a template; 6-positioning a tiger's mouth; 7-an ejection mechanism; 710-a primary ejection mechanism; 711-linkage mandril; 712-primary ejector plate; 720-secondary ejection mechanism; 721-thimble; 722-a secondary ejector plate; 8-a bayonet-type shutter; 9-moving the die base plate; 10-core insert; 11-a slider cylinder mounting plate; 12-a slider support; 13-small oil cylinder mounting plate; 14-small oil cylinder support; 15-T-shaped blocks; 16-a guide batten; 17-inclined top groove; 18-QB slide block pressing strips; 19-a slide block baffle; 20-small boss; 21-a slanted ejecting guide strip; 22-oil cylinder fixing plate; 23-a support block; 24-wear plate.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example 1
As shown in fig. 1 and 2, the injection molding mold mechanism for the safety seat is provided with a fixed mold plate 5 and a movable mold plate 1, wherein the fixed mold plate 5 is arranged above the movable mold plate 1, a cavity is arranged between the fixed mold plate 5 and the interior of the movable mold plate 1, the cavity is in an inverted safety seat shape, and an injection port is arranged at a position where a seat plate of the safety seat is connected with a backrest.
And a movable mold base plate 9 is connected below the movable mold plate 1, and the movable mold base plate 9 has a supporting effect on the whole movable mold plate 1.
The fixed template 5 is connected with the movable template 1 through a positioning web 6. Specifically, as shown in fig. 1 or fig. 2, the four positioning tiger's mouths 6 are arranged at four corners of the binding surface of the fixed die plate 5 and the movable die plate 1, the four positioning tiger's mouths 6 are protruding structures arranged at four corners of the fixed die plate 5, correspondingly, the movable die plate 1 is provided with a concave part matched with the protruding structures, the structure is relatively simple, and the fixed die plate 5 and the movable die plate 1 can be positioned and connected through the insertion and connection of the protruding structures and the concave structures.
In this embodiment, install core mold insert 10 on the movable mould board 1, core mold insert 10 can dismantle and connect on movable mould board 1, and when carrying out the in-process of moulding plastics, the fixed die plate 5 covers in core mold insert 10, and fixed die plate 5 is inside to be provided with the runner, and the surface that core mold insert 10 and fixed die plate 5 laminated each other is provided with the core with runner complex, through filling the material to the runner for the whole bedplate that links into safety seat 4 of the plastomer in the runner.
The core pulling mechanism is arranged on the movable template 1, the number of the core pulling mechanisms is at least two, and the core pulling mechanisms are divided into a first core pulling piece 2 and a second core pulling piece 3. The first core pulling piece 2 is correspondingly arranged at the armrest seat plate of the safety seat 4 and used for realizing core pulling and demoulding of the armrest seat plate; the second core pulling piece 3 is correspondingly arranged at the backrest of the safety seat 4 and used for realizing core pulling and demolding of the backrest of the safety seat 4, in the embodiment, a plurality of core pulling mechanisms corresponding to different parts of the safety seat 4 are added, the multipoint and omnibearing demolding process is realized, and compared with a single-point and centralized demolding structure in the existing market, the demolding efficiency and the demolding effect can be greatly improved, the phenomenon that stress is uneven and quality is reduced due to demolding of a molded plastic part is avoided, and therefore the safety seat 4 can be thoroughly separated from the driven template 1.
Further, the first core pulling pieces 2 are arranged in two groups, and are symmetrically arranged on two sides of two armrests of the safety seat 4 respectively.
The first core drawing piece 2 comprises an outside demoulding component 220, the outside demoulding component 220 is correspondingly arranged on the outside of the armrest seat plate of the safety seat 4, and the outside demoulding process of the armrest seat plate is realized.
The outside stripper assembly 220 is provided with a main slide mechanism 260, as shown in fig. 3, the main slide mechanism 260 includes a slide cylinder 261 and a main slide 262, and the main slide 262 is disposed on the edge of the core insert 10 with a flow channel reserved between the main slide 262 and the core insert 10 for forming an armrest of the safety seat 4. The slide block oil cylinder 260 is fixedly connected to the movable mould plate 1 through the slide block oil cylinder mounting plate 11 and the slide block support 12, and the end part of the telescopic rod of the slide block oil cylinder 261 is fixedly connected with the main slide block 262, so that the slide block oil cylinder 261 can drive the main slide block 262 to move along the length direction of the telescopic rod of the slide block oil cylinder 261. After the injection molding is finished, the main sliding block 262 moves relative to the armrest of the safety seat 4 through the sliding block oil cylinder 261, so that the core-pulling and demolding process is realized.
The outer side demoulding component 220 is also provided with a sub-core-pulling mechanism, wherein the sub-core-pulling mechanism is used for realizing the heavy demoulding of the local position of the armrest seat plate, so that the centralized demoulding can be realized aiming at the bending position or the complex structure position of the armrest seat plate, and the problem that the demoulding is not easy in the position is solved; in addition, the core-pulling mechanism is disposed on the main slider 262, so that the outer stripper assembly 220 has a more compact overall structure.
Specifically, the sub-core-pulling mechanism comprises a sub-mechanism QA230, the sub-mechanism QA230 is correspondingly arranged at the edge of the seat plate of the safety seat 4, and the sub-mechanism QA230 is used for realizing the demolding of the side concave part of the seat plate.
The sub-component QA230 is provided with a small oil cylinder 231 and a wedge-shaped forming driving block 232, as shown in fig. 3, wherein the small oil cylinder 231 is fixedly connected to the tail end of the main sliding block 262 through a small oil cylinder mounting plate 13 and a small oil cylinder support 14, and the wedge-shaped forming driving block 232 is connected with the end of the telescopic rod of the small oil cylinder 231 through a T-shaped block 15, so that the small oil cylinder 231 can drive the wedge-shaped forming driving block 232 to move; one side of the wedge-shaped forming driving block 232 is provided with a side core-pulling block 233, the side core-pulling block 233 is provided with an inclined surface which is spliced with the inclined surface of the wedge-shaped forming driving block 232, one side of the side core-pulling block 233, which is far away from the wedge-shaped forming driving block 232, is connected with a side core-pulling spring 234, two ends of the side core-pulling spring 234 are respectively connected with the main sliding block 262 and the side core-pulling block 233, and the side core-pulling spring 234 is in a compressed state in an initial.
The side core-pulling block 233 is located at the side concave position where the seat plate is connected with the handrail, the wedge-shaped forming driving block 232 and the side core-pulling block 233 are both installed on the main sliding block 262 through the guide pressing strip 16, and the guide pressing strip 16 has guiding and limiting functions on the moving direction of the wedge-shaped forming driving block 232 and the side core-pulling block 233.
After the injection molding is completed, the small oil cylinder 231 pulls the wedge-shaped driving block 232 to move outwards, and meanwhile, the side core pulling block 233 moves towards the side far away from the side core pulling spring 234 under the pushing of the side core pulling spring 234 to complete the core pulling action. After the core-pulling action of the side core-pulling block 233 is completed, the side core-pulling block moves together with the main sliding block 262, so that the seat armrest of the safety seat 4 is demolded.
The sub-core-pulling mechanism comprises a sub-mechanism QB240, wherein the sub-mechanism QB240 is correspondingly arranged at the armrest bending part of the safety seat 4 and used for realizing demoulding of the back-off part at the armrest bending part.
The sub mechanism QB240 is disposed on the main slider 262 and is positioned below the sub mechanism QA230, so that the whole sub core pulling mechanism is more compact. Sub-mechanism QB240 includes lifter 241 and QB slider 242, and wherein, the one end tip of lifter 241 sets up in the department of buckling of safety seat 4, and the other end joint is in QB slider 242, as shown in fig. 4, lifter groove 17 has been seted up on QB slider 242 surface, and lifter 241 tip forms the fixture block with lifter groove 14 complex, and lifter 241 passes through fixture block and lifter groove 14 swing joint for lifter 241 can take place the tip and rotate.
The QB slider 242 is connected to the main slider 262 under the action of the QB slider pressing bar 18, the QB slider 242 can move along the length direction of the QB slider pressing bar 18, a slider baffle plate 19 is arranged on one side, away from the oblique ejector rod 241, of the QB slider 242, the slider baffle plate 19 is fixedly connected to the main slider 262, and the slider baffle plate 19 can limit the moving distance of the QB slider 242; a slider spring is arranged between the QB slider 242 and the slider stopper 19, and both ends of the slider spring are connected to the QB slider 242 and the slider stopper 19, respectively.
When the main slider 262 moves to perform lateral core pulling, under the rebounding pressure of the slider spring, the QB slider 242 can be kept still in place, and as can be seen from the principle of relative motion, the QB slider 242 moves relative to the main slider 262, that is, the QB slider 242 moves inward relative to the main slider 262, at this time, the slanted ejecting slot 17 on the QB slider 242 drives the slanted ejecting rod 241 to perform upward core pulling action until the slanted ejecting rod 241 is separated from the handrail, and then the lateral core pulling together with the main slider 262 is continued.
In this embodiment, the core-pulling mechanism is further provided with a sub-mechanism QC250, and the sub-mechanism QC250 is correspondingly arranged on the upper surface of the armrest of the safety seat 4, so as to realize local demolding of the armrest.
The sub mechanism QC250 is arranged on the main sliding block 262, and the sub mechanism QC250 is positioned below the sub mechanism QB240, so that the whole sub core pulling mechanism is more compact. The sub-mechanism QC250 is provided with a handrail forming rod 251, a transverse pull rod 252 and a top pillar 253, wherein the handrail forming rod 251 is tightly attached to the surface of the handrail, as shown in fig. 5, the transverse pull rod 252 is horizontally placed, and one end strand is fixedly connected to the main sliding block 262; the top pillar 253 is vertically placed, one end of the top pillar 253 is fixedly connected to the lower end of the handrail forming rod 251, the other end of the top pillar 253 abuts against a chute in the transverse pull rod 252, and the chute is arranged so that the end of the transverse pull rod 252 forms a small boss 20.
After the main sliding block 262 starts side core pulling, the transverse pull rod 252 is pulled to move in the same direction, and the small boss 20 at the end of the transverse pull rod 252 pushes the top pillar 253 and the handrail forming rod 251 to eject upwards, so that core pulling and demoulding of the groove on the handrail are realized.
In this embodiment, the first core pulling piece is further provided with an inner side demolding assembly, and the inner side demolding assembly is correspondingly arranged on the inner side of the safety seat armrest, so that demolding of the inner side of the armrest is realized.
As shown in fig. 5, the inner stripper assembly 210 includes a lifter block 211 and a lifter spring 212, the lifter block 211 abuts against the lower surface of the core insert 10, the lifter spring 212 is connected below the lifter block 211, the other end of the lifter spring is connected to the movable platen 1, a lifter guide bar 21 is provided at one side of the lifter block 211, and the lifter guide bar 21 restricts the movement direction of the lifter block 211 to move in an upward direction.
The pitched roof spring 212 can push the pitched roof block 211 to move obliquely upwards along the pitched roof guide strip 21, so that the core pulling of the inner side wall of the handrail is realized.
Further, be provided with the spacing groove in the oblique ejecting block 211, the cooperation is provided with the stopper in the spacing groove, and stopper fixed connection is in movable mould board 1, after oblique ejecting block 211 moves to the top, will stop moving under the hindrance of stopper to the ejecting stroke of oblique ejecting block 211 is restricted.
In this embodiment, the second core pulling member 3 also includes an inner core pulling assembly and an outer core pulling assembly, so as to realize all-directional core pulling for the backrest.
Specifically, as shown in fig. 6, the second core pulling element 3 is provided with a second cylinder 310 and a second slider 320, wherein the second cylinder 310 is connected to the movable mold plate 1 through a cylinder fixing plate 22, an end portion of a telescopic rod of the second cylinder 310 is connected to the second slider 320, the second slider 320 is disposed in the movable mold plate 1, and a flow channel in a shape of a backrest is disposed on a surface of the second slider 320, and after the injection molding is completed, the second cylinder 310 drives the second slider 320 to move, so as to realize demolding on an outer side of the backrest. It should be noted that the flow passages described above are interconnected so that the molded safety seat 4 is of a unitary construction.
A supporting block 23 is arranged below the second sliding block 320, and the supporting block 23 is fixedly connected to the movable die base plate 9 to support the second sliding block 320.
The wear plate 24 is arranged on the surface of the supporting block 23, and as shown in fig. 6, the second slider 320 moves on the wear plate 24, so that the wear of the supporting plate 23 caused by the movement of the second slider 320 can be reduced.
The second withdrawal member 3 is further provided with a slanted ejecting head 330 and a T-slot ejecting post 340, as shown in figure 7,
the oblique top 330 and the second slider 320 are attached to each other and are respectively arranged on the inner side and the outer side of the backrest, the T-shaped groove top column 340 is clamped below the oblique top 330, and the oblique top 330 can be driven to move upwards to complete demoulding of the inner side of the backrest by moving the T-shaped groove top column 340 upwards.
In this embodiment, the core pulling mechanism is further provided with an ejection mechanism 7, the ejection mechanism 7 is provided with two stages, namely a first-stage ejection mechanism 710 and a second-stage ejection mechanism 720, and the ejection mechanism 7 can assist the core pulling mechanism in completing a demolding process.
The primary ejection mechanism 710 is attached to the second core member 3, and the primary ejection mechanism 710 is capable of driving the second core member 3.
Specifically, as shown in fig. 7, the primary ejection mechanism 710 includes a linkage ejector rod 711 and a primary ejection plate 712, the linkage ejector rod 711 is vertically disposed, the upper end of the linkage ejector rod 711 is connected to the core insert 10, and the lower end of the linkage ejector rod 711 is connected to the primary ejection plate 712, so that the linkage ejector rod 711 drives the core insert 10 to eject upward, and an ejection space is provided for the movement of the second knockout piece 3.
As shown in fig. 7, the lower end of the T-shaped groove top column 340 is connected to the first-stage ejector plate 712, when the linkage ejector rod 711 performs an upward ejection motion, the first-stage ejector plate 712 moves upward synchronously along with the linkage ejector rod 711, thereby driving the T-shaped groove top column 340 to move upward synchronously to complete the ejection of the slanted ejecting head 330, and the linkage ejector rod 711 also drives the core insert 10 to perform a synchronous ejection motion, thereby implementing a linkage process between the first-stage ejection mechanism 710 and the slanted ejecting head 330.
When the core insert 10 is ejected, the lifter block 211 in the first core-pulling member 210 completes an upward movement under the urging of the lifter spring 212, thereby implementing a side core-pulling process for the inner side wall of the handrail.
The secondary ejection mechanism 720 includes an ejector pin 721 and a secondary ejection plate 722, as shown in fig. 7, the ejector pin 721 is vertically disposed and installed on the secondary ejection plate 722, the secondary ejection plate 722 is disposed above the primary ejection plate 712, the secondary ejection plate 722 moves upward to drive the ejector pin 721 to move upward, and the end of the ejector pin 721 after moving upward can abut against the safety seat 4 to ensure complete demolding of the safety seat 4.
A plug-in lever type shutter 8 is arranged between the first-stage ejection mechanism 710 and the second-stage ejection mechanism 720. The inserted link type shutter 8 is provided with four groups, the four groups of inserted link type shutters 8 are distributed around the first-stage ejector plate 710 and the second-stage ejector plate 720, the inserted link type shutter 8 is composed of an unlocking inserted link 810 and a locking buckle 820, as shown in fig. 8, the locking buckle 820 and the unlocking inserted link 810 are vertically arranged, the lower ends of the locking buckle 820 and the unlocking inserted link 810 are connected to the movable mold base plate 9, the length of the locking buckle 820 is smaller than that of the unlocking inserted link 810, and the upper end of the locking buckle 820 is provided with a convex edge which is abutted to the first-stage ejector plate 712. After the linkage ejector rod 711 drives the primary ejector plate 712 and the secondary ejector plate 722 to move upwards for a certain distance, the primary ejector plate 712 cannot continuously move upwards along with the secondary ejector plate 722 under the abutting action of the locking buckle 820 and the convex edge, and the secondary ejector plate 722 which continuously moves upwards drives the ejector pins 721 to continuously eject the safety seat 4, so that the safety seat 4 is ensured to be completely demolded, and the linkage process of the primary ejector mechanism 710 and the secondary ejector mechanism 720 is realized.
The action process of the injection molding mechanism of the safety seat 4 is as follows:
after the injection molding of the convection channel is finished, maintaining the pressure, cooling, and then separating the fixed template 5 from the movable template 1; the small oil cylinder 231 of the sub-mechanism QA230 in the first core pulling member 2 is started, the side core pulling member 233 in the sub-mechanism QA230 is driven to firstly pull the core, then the second oil cylinder 310 in the second core pulling member 3 acts to firstly complete the core pulling of the outer side of the backrest of the safety seat 4, and finally the slider oil cylinder 261 in the first core pulling member 2 is started to drive the main slider 262, the inclined ejector rod 241 and the handrail forming rod 251 to complete the core pulling process.
The embodiment has designed 3 slider side core pulling mechanisms of 2 types to implement the drawing of patterns of loosing core of outer wall side, has designed 3 oblique top mechanisms of 2 types to implement the drawing of patterns of loosing core of inner wall side, make full use of the design space of the side slider body, through multiple power combination, the forming part that will need the side to loose core is arranged in proper order on main slider 262, thereby realize 4 safe seats and mould a multiple multidirectional formula drawing of patterns needs in a lateral wall position, the overall structure design of mould has been simplified, make 4 safe seats mould a drawing of patterns more thoroughly, the beneficial mould manufacturing cost that saves.
Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a safety seat injection moulding mould mechanism, its characterized in that, its main part is provided with movable mould board (1), be provided with the mechanism of loosing core on movable mould board (1), the mechanism of loosing core is provided with two at least, the mechanism of loosing core is first core (2) and second core (3) of loosing core respectively, first core (2) of loosing core is corresponding to be set up in the handrail bedplate department of safety seat (4), second core (3) of loosing core is corresponding to be set up in the back department of safety seat (4).
2. The injection molding mold mechanism for the safety seat according to claim 1, characterized in that a fixed mold plate (5) is further arranged on the main body of the mechanism, an inverted cavity of the safety seat (4) is formed between the fixed mold plate (5) and the movable mold plate (1), and a positioning tiger mouth (6) is arranged between the fixed mold plate (5) and the movable mold plate (1).
3. The safety seat injection mold mechanism according to claim 1, wherein the first core-pulling element (2) is provided with an inside stripper assembly (210), and the inside stripper assembly (210) is correspondingly provided inside the armrest of the safety seat (4).
4. The safety seat injection molding mold mechanism according to claim 1, wherein the first core pulling piece (2) is provided with an outer side demolding assembly (220), the outer side demolding assembly (220) is correspondingly arranged at the outer side of the armrest seat plate of the safety seat (4), the outer side demolding assembly (220) is provided with a sub core pulling mechanism, the sub core pulling mechanism comprises a sub mechanism QB (240), and the sub mechanism QB (240) is correspondingly arranged at the armrest bending part of the safety seat (4).
5. The safety seat injection molding mold mechanism according to claim 4, characterized in that the sub-core-pulling mechanism comprises a sub-mechanism QA (230), and the sub-mechanism QA (230) is correspondingly arranged at the edge of the seat plate of the safety seat (4).
6. The safety seat injection molding mold mechanism according to claim 4, wherein the sub-core-pulling mechanism comprises a sub-mechanism QC (250), and the sub-mechanism QC (250) is correspondingly arranged on the upper surface of the armrest of the safety seat (4).
7. The safety seat injection mold mechanism of claim 3, wherein the inboard stripper assembly (210) comprises a lifter block (211) and a lifter spring (212), the lifter spring (212) being connected below the lifter block (211).
8. The safety seat injection molding mold mechanism according to claim 1, characterized in that the core pulling mechanism is further provided with an ejection mechanism (7), the ejection mechanism (7) comprising a secondary ejection mechanism (720).
9. The safety seat injection mold mechanism according to claim 8, wherein the ejection mechanism (7) is provided with a primary ejection mechanism (710), the primary ejection mechanism (710) being connected to the second knock-out member (3).
10. The safety seat injection molding mold mechanism according to claim 9, characterized in that the ejection mechanism (7) is provided with a plug-in lever type shutter (8), and both ends of the plug-in lever type shutter (8) are connected with the primary ejection mechanism (710) and the secondary ejection mechanism (720).
CN202022272892.4U 2020-10-13 2020-10-13 Injection molding mold mechanism for safety seat Active CN213412778U (en)

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