Turnover structure for foaming mold for two side wings of automobile seat backrest
By adopting a sliding block design with a flip-up structure in the foaming mold of the two wings of the car seat back, the problem of demolding complexity is solved, the economy and versatility of the mold are improved, and the yield and demolding quality are increased.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-03-24
AI Technical Summary
The demolding method of existing foam molds for the two side wings of car seat backrests is complicated, which leads to increased mold design complexity and reduced yield.
The slider design with a flip structure consists of an upper hinge, a lower hinge, and a connecting rod. The slider flips and demolds along the contour of the seat back, with cylinder assistance for flipping and hinge block providing support, reducing the space occupied by the slider.
It improves the economy and versatility of the mold, reduces the complexity of mold design, improves demolding quality and yield, and avoids damage to the seat back by the slider.
Smart Images
Figure CN224028204U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the two side wings foaming mould technical field of car seat back, more specifically, it relates to the turnover structure for the two side wings foaming mould of car seat back. BACKGROUND
[0002] The two side wings of car seat back are an important part in seat design, prevent passenger body from excessive deviation or shaking to the side, keep the stable posture of the body, improve the riding comfort and safety when the vehicle turns or drives on the bumpy road.
[0003] At present, the two side wings foaming mould of car seat back is the key tool for manufacturing the two side wings of car seat back, and the two side wings of back can be designed to be matched with the car seat through the foaming mould, and the design and manufacturing process of the foaming mould directly affect the quality of the product.
[0004] However, demoulding is the key link of mould operation, for the two side wings foaming mould of seat back, the common demoulding mode has sliding block demoulding, but due to the complex shape of the side wing, the ordinary demoulding mode needs to increase the mould space to adapt to the need of demoulding, increases the size of the mould, increases the complexity of the mould design, and the turnover structure for the two side wings foaming mould of car seat back is provided to improve the existing problems. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a turnover structure for the two side wings foaming mould of car seat back.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] The turnover structure for the two side wings foaming mould of car seat back, including upper mould, the bottom of upper mould is provided with lower mould, the middle position of upper mould and lower mould is provided with seat back, the both sides of upper mould are respectively provided with a group of turnover assemblies.
[0008] The two groups of turnover assemblies all include two groups of upper hinges, a group of lower hinges is arranged above the two groups of upper hinges respectively, the lower hinge is rotatably connected with the upper hinge, the lower hinge is fixedly connected with the upper mould, the middle position of the two groups of lower hinges is provided with a connecting rod, and the both ends of the connecting rod penetrate through the rotation connection points of the two groups of lower hinges and the two groups of upper hinges respectively.
[0009] Through the above-mentioned technical scheme, the hinge structure is formed by setting the upper hinge, the lower hinge and the connecting rod rotation connection combination, and the hinge structure provides the basis for the turnover of the sliding block.
[0010] The utility model further sets up: each group the turnover subassembly includes the slider, two groups the slider opposite setting, the outside wall of slider with upper hinge fixed connection.
[0011] The utility model further sets up: the seat backrest is located in the middle position of two groups of sliders, and two groups of sliders are designed along the profiled line positions of the two side wings of the seat backrest.
[0012] Through the above technical scheme, the parting surface design of the seat backrest two side wing foaming mold is very important, because the side wing shape is complex, the parting surface needs to be designed according to the specific shape of the side wing along the profiled line position of the side wing, which can meet the forming demand of the two side wings, in addition, by adjusting the forming part on the slider, the products with different lateral structures can be produced on the basis of the same mold, the economy and versatility of the mold are improved, and the complexity of mold design is reduced.
[0013] The utility model further sets up: two groups the slider's top respectively set up a group of pneumatic cylinders, pneumatic cylinder's output and slider rotation connection.
[0014] Through the above technical scheme, when the side wing of the seat backrest is formed, the slider can more directly contact the seat backrest reverse part by turning outward, compared with the traditional slider demolding mode, the turning outward action can avoid the pulling or damage of the seat backrest in the demolding process, because the movement direction is along the natural separation direction of the seat backrest reverse part, so that the product can be more smoothly separated from the mold, the demolding quality and yield of the product are improved, and the slider turning mechanism is easy to design and manufacture.
[0015] The utility model further sets up: the both sides of pneumatic cylinder respectively set up a group of articulated blocks, articulated block with pneumatic cylinder rotation connection.
[0016] The utility model further sets up: two groups the articulated block's bottom respectively set up a group of fixed blocks, the top of fixed block and articulated block fixed connection, the bottom of fixed block and upper die fixed connection.
[0017] Through the above technical scheme, by setting up articulated block can assist the turnover of slider, provide greater turnover space for slider, when the slider turns over greatly, the pneumatic cylinder moves along with the slider, and the articulated block provides adjustment space for the movement of the pneumatic cylinder, avoids the larger damage of the pneumatic cylinder, and the fixed block provides support for the turnover subassembly, guarantees the normal turnover movement of the turnover subassembly in a certain range.
[0018] In summary, the present application includes at least one of the following beneficial technical effects:
[0019] 1. By setting the slider to a flip structure, in the foam mold of the seat back wing on both sides, the slider is set to an outward flip structure, when the slider is opened, it is flipped outward to the outside of the mold, this way can effectively reduce the space occupied by the slider inside the mold, the outwardly flipped slider in the open state does not interfere with the space of other components inside the mold, so that the internal structure of the mold is more compact, providing more sufficient space for the filling and forming of the foam material.
[0020] 2. By adjusting the forming part on the slider, the same set of molds can be used to produce products with different lateral structures, improving the economy and versatility of the mold, and reducing the complexity of mold design. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 is a structural schematic view of the flip structure of the foam mold for the wings on both sides of the seat back of the utility model.
[0022] Figure 2 is an isometric view of the utility model. Figure 1
[0023] Figure 3 is a schematic view of the cooperation structure of the flip assembly and the upper mold.
[0024] Figure 4 is a structural schematic view of the flip assembly.
[0025] BRIEF DESCRIPTION OF DRAWINGS: 1, the upper mold;
[0026] 2, the lower mold;
[0027] 3, the flip assembly; 31, the upper hinge; 32, the lower hinge; 33, the connecting rod; 34, the slider; 35, the air cylinder; 36, the hinge block; 37, the fixed block;
[0028] 4, the seat back. DETAILED DESCRIPTION
[0029] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0030] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0031] Embodiment one, please refer to Figures 1-4 The utility model provides the following technical scheme:
[0032] Please refer to Figure 1 and Figure 3 The application discloses a turnover structure of a foaming mold for two side wings of a backrest of a car seat, which comprises an upper mold 1, a lower mold 2 arranged at the bottom of the upper mold 1, a backrest 4 arranged at the middle position of the upper mold 1 and the lower mold 2, and a group of turnover assemblies 3 arranged at the two sides of the upper mold 1.
[0033] Referring to Figures 2-3 Each of the two groups of turnover assemblies 3 comprises two groups of upper hinges 31, a group of lower hinges 32 arranged above the two groups of upper hinges 31, the lower hinges 32 being rotationally connected with the upper hinges 31, the lower hinges 32 being fixedly connected with the upper mold 1, a connecting rod 33 arranged at the middle position of the two groups of lower hinges 32, and the two ends of the connecting rod 33 penetrating through the rotationally connected points of the two groups of lower hinges 32 and the two groups of upper hinges 31, wherein the upper hinges 31, the lower hinges 32 and the connecting rod 33 are rotationally connected to form a hinge structure, and the hinge structure provides a basis for turnover of the sliding blocks.
[0034] Referring to Figures 2-3 Each of the two groups of turnover assemblies 3 comprises a sliding block 34, and the two groups of sliding blocks 34 are oppositely arranged, and the outer side wall of the sliding block 34 is fixedly connected with the upper hinge 31.
[0035] Referring to Figures 2-3 The backrest 4 is arranged at the middle position of the two groups of sliding blocks 34, the two groups of sliding blocks 34 are designed along the contour line positions of the two side wings of the backrest 4, and the parting surface of the foaming mold for the two side wings of the backrest 4 is crucial, the parting surface needs to be designed according to the specific shape of the side wings, and the design along the contour line positions of the side wings can meet the forming requirements of the two side wings.
[0036] By arranging the parting surface at the symmetrical positions of the double side wings, the forming pressure can be balanced and applied on the two sides, the covering material can be tightly attached to the mold, the possibility of collapse can be reduced, air can also be discharged along the tiny gap between the parting surface and the mold, and thus the collapse caused by residual gas can be prevented.
[0037] In addition, the sliding blocks 34 are arranged at the edges or corners of the double side wings, which are usually stress concentration and easy collapse areas, the sliding blocks 34 are matched with the parting surface at the corners to support the material during the covering process and prevent the material from collapsing due to lack of support, the forming part on the sliding block 34 can be adjusted, the products with different lateral structures can be produced on the basis of the same set of molds, the economy and universality of the mold are improved, and the complexity of the mold design is reduced.
[0038] Referring to Figures 2-3, the upper part of the two groups of sliders 34 is respectively provided with a group of air cylinders 35, the output end of the air cylinder 35 is rotationally connected with the slider 34, because the slider 34 is rotationally connected with the air cylinder 35, when the air cylinder 35 is started, under the pushing of the air cylinder 35, the slider 34 can move, at the same time, under the driving of the upper hinge 31, the lower hinge 32 and the connecting rod 33, the slider 34 can turn outward, the release of the seat back 4 is realized, and the purpose of demolding the seat back 4 is achieved.
[0039] When the side wings of the seat back 4 are formed, the outward turning of the slider 34 can more directly separate from the contact with the inverted part of the seat back 4, compared with the traditional slider demolding mode, the outward turning action can avoid the pulling or damage of the slider 34 to the seat back 4 in the demolding process, because the movement direction is along the natural separation direction of the inverted part of the seat back 4, the seat back 4 can be more smoothly separated from the mold, and the demolding quality and yield of the seat back 4 are improved.
[0040] In the foaming mold of the two side wings of the seat back 4, the slider 34 is provided as an outward turning structure, when the slider 34 is opened, it is turned outward from the mold, this mode can effectively reduce the space occupied by the slider 34 in the mold, compared with the slider 34 of the inward sliding or other complex movement mode, the outward turning slider 34 in the opened state will not interfere with the space of other components in the mold, so that the internal structure of the mold is more compact, and more sufficient space is provided for the filling and forming of the foaming material.
[0041] Referring to Figures 2-3 , a group of hinge blocks 36 is respectively arranged on the two sides of the air cylinder 35, the hinge block 36 is rotationally connected with the air cylinder 35, by arranging the hinge block 36, the turning of the slider 34 can be assisted, and the turning space of the slider 34 is larger, when the slider 34 is turned by a large amplitude, the air cylinder 35 moves along with the slider 34, and the hinge block 36 provides an adjusting space for the movement of the air cylinder 35, so that the air cylinder 35 is prevented from being damaged.
[0042] Referring to Figures 2-3 , the bottom of the two groups of hinge blocks 36 is respectively provided with a group of fixed blocks 37, the top of the fixed block 37 is fixedly connected with the hinge block 36, the bottom of the fixed block 37 is fixedly connected with the upper mold 1, and the fixed block 37 provides support for the turning assembly 3, so that the turning assembly 3 can normally turn within a certain range.
[0043] Specifically, when the seat back 4 is formed, the air cylinder 35 is started, the output end of the air cylinder 35 moves downward, the air cylinder 35 pushes the slider 34, and the slider 34 is turned under the driving of the upper hinge 31, the lower hinge 32 and the connecting rod 33, at this time, the seat back 4 is released, and the purpose of demolding the seat back 4 is achieved.
[0044] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.
Claims
1. A flipping structure for foaming molds on both sides of an automotive seat backrest, characterized in that: It includes an upper mold (1), a lower mold (2) is provided at the bottom of the upper mold (1), a seat back (4) is provided at the middle position of the upper mold (1) and the lower mold (2), and a set of flipping components (3) are provided on both sides of the upper mold (1). Both sets of the flipping components (3) include two sets of upper hinges (31), and a set of lower hinges (32) is respectively provided above the two sets of upper hinges (31). The lower hinges (32) are rotatably connected to the upper hinges (31), and the lower hinges (32) are fixedly connected to the upper mold (1). A connecting rod (33) is provided in the middle of the two sets of lower hinges (32). The two ends of the connecting rod (33) pass through the rotatable connection points of the two sets of lower hinges (32) and the two sets of upper hinges (31).
2. The flipping structure for the foaming mold of the two side wings of an automobile seat back as described in claim 1, characterized in that: Each set of the flipping components (3) includes a slider (34), and the two sets of sliders (34) are arranged opposite each other. The outer side wall of the slider (34) is fixedly connected to the upper hinge (31).
3. The flipping structure for the foaming mold of the two side wings of an automobile seat back as described in claim 2, characterized in that: The seat back (4) is positioned in the middle of the two sets of sliders (34), and the two sets of sliders (34) are designed along the contour lines of the two sides of the seat back (4).
4. The flipping structure for the foaming mold of the two side wings of an automobile seat back as described in claim 3, characterized in that: A set of cylinders (35) is respectively provided above the two sets of sliders (34), and the output end of the cylinders (35) is rotatably connected to the sliders (34).
5. The flipping structure for the foaming mold of the two side wings of an automobile seat back as described in claim 4, characterized in that: A set of hinge blocks (36) are respectively provided on both sides of the cylinder (35), and the hinge blocks (36) are rotatably connected to the cylinder (35).
6. The flipping structure for the foaming mold of the two side wings of an automobile seat back as described in claim 5, characterized in that: Each of the two sets of hinge blocks (36) has a set of fixing blocks (37) at its bottom. The top of the fixing blocks (37) is fixedly connected to the hinge blocks (36), and the bottom of the fixing blocks (37) is fixedly connected to the upper mold (1).