One-step forming automobile seat foam mold

By designing a primary molded car seat foam mold using control mechanism and heating resistance, the molding problem caused by multiple holes in the existing mold is solved, and high-quality foam molding is achieved and production efficiency is improved.

CN222792591UActive Publication Date: 2025-04-25CHANGSHU HERUN AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421763341.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-04-25
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

The multiple openings provided on existing car seat foam molds are not conducive to overall molding, which easily leads to the formation of bubble points, affects product quality, and can easily cause holes to tear and damage the foam during demolding.

Method used

A single-formed car seat foam mold is designed, and a control mechanism consisting of two first rotors, two hydraulic rods, two second rotors, two support arms, rotating shafts, connecting blocks and connecting plates is used to control the opening and closing of the upper mold seat, and accelerate the molding by heating resistance, and use sealing rings and sealing grooves to form a closed space, reduce heat loss, and eliminate air bubbles through multiple overflow grooves.

Benefits of technology

The overall molding of car seat foam is achieved, avoiding the formation of bubble points, improving product quality, reducing damage during demolding, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222792591U_ABST
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Abstract

The utility model discloses a one-step forming automobile seat foam mold which comprises a lower mold base, a control mechanism is arranged on the lower mold base, an upper mold base is arranged on the control mechanism, the control mechanism is used for controlling the upper mold base to be opened and closed, a forming groove is formed in the top of the lower mold base, and a forming block located in the forming groove is fixedly installed at the bottom of the upper mold base. A plurality of evenly-distributed protruding points are fixedly installed on the lower die base and the upper die base. The automobile seat foam forming mold is reasonable in design and good in practicability, can control the upper mold base to be opened and closed so as to be used for producing automobile seat foam, accelerates forming of the automobile seat foam by utilizing the two heating resistors, can form a closed space, reduces heat loss, further accelerates forming of the automobile seat foam, and improves production efficiency by utilizing a plurality of overflow grooves. Bubble points can be prevented from being reserved on the foam surface of the automobile seat, and meanwhile redundant foam can be stored.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile design and manufacturing, in particular to a one-step forming automobile seat foam mold. Background Art

[0002] Foam is a key component of the seat. Foam provides the shape and contour of the seat. The characteristics of foam affect the ride comfort and H point. The foam mold directly affects whether the quality of the foam product can meet our design requirements. Understanding the foam mold manufacturing process and manufacturing quality will help the design of the foam structure. In the existing car seat foam, the foam armrest is opened due to mold problems. The foam hardness here is insufficient, and the mold loss is large. The foam often cracks during demoulding.

[0003] In response to the above problem, a car seat foam mold is disclosed in the Chinese patent announcement with announcement number CN220242211U, and its technical points are: it includes a device body, the device body includes an outer shell mold, an upper mold groove, a lower mold groove and a molding plate, the outer shell mold is a concave structure, the upper mold groove is installed at the top of the inner shell mold, the lower mold groove is installed in the middle section of the inner shell mold, the molding plate is installed at the bottom of the inner shell mold and the top is connected to the lower mold groove; a first molding block and a second molding block are provided at the rear end of the molding plate, the first molding block and the second molding block are distributed in a laterally equidistant manner, the first molding block is provided in a group, and a notch is opened between the first molding block and the second molding block; the outer shell mold, the upper mold groove, the lower mold groove and the molding plate surface are all provided with reinforcement blocks, and the reinforcement blocks are made of glass fiber reinforced nylon board.

[0004] In actual operation, it was found that the above scheme still has at least the following defects: the multiple openings such as the first opening, molding groove, large opening and small opening provided on the mold are not conducive to the overall molding of the car seat foam, and are likely to cause bubble points to form near the openings, affecting product quality, and are likely to cause hole tearing during demolding, damaging the car seat foam. For this reason, we propose a one-time molding car seat foam mold to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a one-step molding automobile seat foam mold, which solves the problem that multiple openings are set on the mold, which is not conducive to the overall molding of the automobile seat foam, easily leads to the formation of bubble points near the openings, affecting product quality, and easily causes the holes to tear during demolding, thereby damaging the automobile seat foam.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a one-time molding automobile seat foam mold, comprising a lower mold base, a control mechanism is arranged on the lower mold base, an upper mold base is arranged on the control mechanism, the control mechanism is used to control the upper mold base to open and close, a molding groove is arranged on the top of the lower mold base, a molding block located in the molding groove is fixedly installed on the bottom of the upper mold base, a plurality of evenly distributed convex points are fixedly installed on the lower mold base and the upper mold base, the control mechanism comprises two first rotating disks, two hydraulic rods, two second rotating disks, two support arms, a rotating shaft, a connecting block and a connecting rod. Connecting plate, two first turntables are rotatably installed on the front and rear sides of the lower die base and are symmetrically distributed, two hydraulic rods are fixedly installed on the side away from each other of the two first turntables, two second turntables are rotatably installed on the front and rear sides of the upper die base and are symmetrically distributed, the output shaft ends of the two hydraulic rods are fixedly connected to the corresponding second turntables, two support arms are fixedly installed on the right side of the lower die base and are symmetrically distributed, the rotating shaft is rotatably installed on the two support arms, the connecting block is fixedly sleeved on the rotating shaft, and the connecting plate is fixedly installed on the right side of the upper die base and fixedly connected to the connecting block.

[0007] Preferably, heating resistors are fixedly installed in the lower die base and the forming block.

[0008] Preferably, a temperature sensor located below the heating resistor is fixedly installed in the molding block, and a temperature display is fixedly installed on the top of the upper mold base.

[0009] Preferably, the plurality of protrusions are all in the shape of quadrangular pyramids with rounded tops.

[0010] Preferably, a sealing ring is fixedly mounted on the top of the lower die base, a sealing groove is formed on the bottom of the upper die base, and the sealing ring is slidably mounted in the sealing groove.

[0011] Preferably, the top of the lower mold base is provided with a plurality of overflow grooves distributed in a ring array inside the sealing ring, and the sides of the plurality of overflow grooves close to each other are all connected to the molding groove.

[0012] The utility model provides a one-step forming automobile seat foam mold, which has the following beneficial effects:

[0013] (1) This one-step molding automobile seat foam mold can control the opening and closing of the upper mold base by utilizing a control mechanism composed of two first turntables, two hydraulic rods, two second turntables, two support arms, a rotating shaft, a connecting block and a connecting plate, and is used to produce automobile seat foam. The molding of the automobile seat foam is accelerated by utilizing two heating resistors.

[0014] (2) The one-time molding automobile seat foam mold can form a closed space by utilizing the combined effect of the sealing ring and the sealing groove, thereby reducing heat loss and further accelerating the molding of the automobile seat foam. By utilizing multiple overflow grooves, it can avoid bubble points on the surface of the automobile seat foam and can also store excess foam. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the main view of the utility model;

[0017] Figure 3 for Figure 2 Enlarged schematic diagram of part A.

[0018] In the figure: 1. lower die base; 2. upper die base; 3. molding groove; 4. molding block; 5. convex point; 6. first turntable; 7. hydraulic rod; 8. second turntable; 9. support arm; 10. rotating shaft; 11. connecting block; 12. connecting plate; 13. heating resistor; 14. temperature sensor; 15. temperature display; 16. sealing ring; 17. sealing groove; 18. overflow groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figure 1-3As shown, the utility model provides a technical solution: a one-time molding automobile seat foam mold, including a lower mold base 1, a control mechanism is arranged on the lower mold base 1, an upper mold base 2 is arranged on the control mechanism, the control mechanism is used to control the upper mold base 2 to open and close, a molding groove 3 is arranged on the top of the lower mold base 1, a molding block 4 located in the molding groove 3 is fixedly installed on the bottom of the upper mold base 2, a plurality of evenly distributed convex points 5 are fixedly installed on the lower mold base 1 and the upper mold base 2, and the plurality of convex points 5 are all in the shape of a quadrangular pyramid and have smooth tops. The plurality of convex points 5 can make the surface of the automobile seat foam more beautiful and facilitate demoulding, and the control mechanism includes two first turntables 6, two hydraulic rods 7, two second turntables 8, two support arms 9, a rotating shaft 10, a connecting block 11 and a connecting plate 12 The two first turntables 6 are rotatably installed on the front and rear sides of the lower die base 1 and are symmetrically distributed. The two hydraulic rods 7 are fixedly installed on the sides of the two first turntables 6 away from each other. The two second turntables 8 are rotatably installed on the front and rear sides of the upper die base 2 and are symmetrically distributed. The output shaft ends of the two hydraulic rods 7 are fixedly connected to the corresponding second turntables 8. By utilizing the joint action of the two first turntables 6, the two hydraulic rods 7 and the two second turntables 8, the upper die base 2 can be conveniently controlled to rotate. The two support arms 9 are fixedly installed on the right side of the lower die base 1 and are symmetrically distributed. The rotating shaft 10 is rotatably installed on the two support arms 9. The connecting block 11 is fixedly sleeved on the rotating shaft 10. The connecting plate 12 is fixedly installed on the right side of the upper die base 2 and is fixedly connected to the connecting block 11.

[0021] In this embodiment, the top of the above-mentioned lower mold base 1 is provided with a plurality of overflow grooves 18 distributed in a circular array inside the sealing ring 16, and the sides of the plurality of overflow grooves 18 close to each other are connected with the molding groove 3. By utilizing the plurality of overflow grooves 18, the bubbles in the foam of the car seat can be effectively removed, and the excess foam can be stored to facilitate production. The top of the lower mold base 1 is fixedly installed with a sealing ring 16, and the bottom of the upper mold base 2 is provided with a sealing groove 17. The sealing ring 16 is slidably installed in the sealing groove 17. By utilizing the combined effect of the sealing ring 16 and the sealing groove 17, a closed space can be formed to reduce heat loss.

[0022] In this embodiment, the above-mentioned lower mold base 1 and the molding block 4 are fixedly installed with heating resistors 13. By using the two heating resistors 13, the molding of the automobile seat foam can be accelerated and the production efficiency can be improved. A temperature sensor 14 located below the heating resistor 13 is fixedly installed in the molding block 4, and a temperature display 15 is fixedly installed on the top of the upper mold base 2. By using the combined effect of the temperature sensor 14 and the temperature display 15, the temperature of the two heating resistors 13 can be conveniently controlled.

[0023] In this embodiment, a control switch is installed on the lower mold base 1, and the two hydraulic rods 7, the two heating resistors 13 and the control switch are electrically connected to the external power line through wires in sequence to form a loop. The control switch can control the start and stop of the two hydraulic rods 7 and the two heating resistors 13 respectively.

[0024] Through the above structure, the one-time forming automobile seat foam mold provided by the utility model can control the opening and closing of the upper mold base 2, and then be used to produce automobile seat foam, and by utilizing two heating resistors 13, the forming of the automobile seat foam can be accelerated, and a closed space can be formed to reduce heat loss, further accelerating the forming of the automobile seat foam, and by utilizing multiple overflow grooves 18, bubble points can be avoided on the surface of the automobile seat foam, and excess foam can be stored. When used specifically, the two hydraulic rods 7 are controlled to extend, and the two hydraulic rods 7 control the upper mold base 2 to flip upward, and a proper amount of foam is injected into the forming groove 3 through the foaming machine, and the two are controlled. The two hydraulic rods 7 contract, and the two hydraulic rods 7 control the upper mold base 2 to rotate and close the mold with the lower mold base 1, control the operation of the two heating resistors 13, and can control the operating power of the two heating resistors 13 according to the temperature value displayed on the temperature display 15, further accelerating the molding of the car seat foam, and the bubbles and excess foam will flow into the multiple overflow grooves 18 to avoid bubble points on the surface of the car seat foam. After the car seat foam is formed, the two hydraulic rods 7 are controlled to extend, and the upper mold base 2 is opened again to take out the car seat foam, and the excess foam can be trimmed with a utility knife or scissors, which effectively ensures the integrity of the car seat foam and avoids cracking.

[0025] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope recorded in the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A one-step forming automobile seat foam mold, characterized in that: The invention comprises a lower die base (1), wherein a control mechanism is arranged on the lower die base (1), and an upper die base (2) is arranged on the control mechanism, wherein the control mechanism is used to control the upper die base (2) to open and close, wherein a molding groove (3) is arranged on the top of the lower die base (1), and a molding block (4) located in the molding groove (3) is fixedly installed on the bottom of the upper die base (2), and a plurality of evenly distributed protrusions (5) are fixedly installed on both the lower die base (1) and the upper die base (2); The control mechanism comprises two first rotating disks (6), two hydraulic rods (7), two second rotating disks (8), two supporting arms (9), a rotating shaft (10), a connecting block (11) and a connecting plate (12); the two first rotating disks (6) are rotatably mounted on the front and rear sides of the lower die base (1) and are symmetrically distributed; the two hydraulic rods (7) are fixedly mounted on the sides of the two first rotating disks (6) that are away from each other; the two second rotating disks (8) are rotatably mounted on the front and rear sides of the upper die base (2) and are symmetrically distributed; the output shaft ends of the two hydraulic rods (7) are fixedly connected to the corresponding second rotating disks (8); the two supporting arms (9) are fixedly mounted on the right side of the lower die base (1) and are symmetrically distributed; the rotating shaft (10) is rotatably mounted on the two supporting arms (9); the connecting block (11) is fixedly sleeved on the rotating shaft (10); and the connecting plate (12) is fixedly mounted on the right side of the upper die base (2) and is fixedly connected to the connecting block (11).

2. The one-step forming automobile seat foam mold according to claim 1, characterized in that: A heating resistor (13) is fixedly installed in both the lower die base (1) and the forming block (4).

3. The one-step forming automobile seat foam mold according to claim 2, characterized in that: A temperature sensor (14) located below the heating resistor (13) is fixedly installed in the molding block (4), and a temperature display (15) is fixedly installed on the top of the upper mold base (2).

4. The one-step forming automobile seat foam mold according to claim 1, characterized in that: The plurality of protrusions (5) are all in the shape of quadrangular pyramids with smooth tops.

5. The one-step forming automobile seat foam mold according to claim 2, characterized in that: A sealing ring (16) is fixedly mounted on the top of the lower die base (1), and a sealing groove (17) is provided on the bottom of the upper die base (2), wherein the sealing ring (16) is slidably mounted in the sealing groove (17).

6. The one-step forming automobile seat foam mold according to claim 5, characterized in that: The top of the lower die base (1) is provided with a plurality of overflow grooves (18) distributed in a ring array inside the sealing ring (16), and the sides of the plurality of overflow grooves (18) close to each other are all connected to the molding groove (3).

Citation Information

Patent Citations

  • Foam mold for automobile seat

    CN220242211U