A mold structure for an inner protective cover of a car seat

Abstract

The utility model discloses a mold structure for an inner protective cover of an automobile seat, comprising: a front mold, a mold cavity is provided at the bottom of the front mold, and oblique guide blocks are fixedly connected to the two sides of the mold cavity; a rear mold, the rear mold is arranged at the bottom of the front mold, and the top of the rear mold is slidably connected with left and right sliders at the position corresponding to the oblique guide blocks, the tops of the left and right sliders are provided with oblique holes matched with the oblique guide blocks, the top of the rear mold is embedded and installed with a rear movable inlay, the outer side of the rear movable inlay is matched with a rear mold oblique top, and the rear movable inlay in multiple directions is matched by core pulling of the left and right sliders. The beneficial effect of the utility model is as follows: by core pulling of the rear mold oblique slider to match the movable inlay in multiple directions, a small inlay is added at the deep bone position of the inlay, and the demoulding of the folding position and the deep bone buckle position of the product is completed in combination with the oblique top, while ensuring that the product assembly structure is not affected, the cost of the injection molding machine and the injection molding production cycle are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold structure of an inner protective cover of an automobile seat. Background Art

[0002] The inner protective cover of the car seat is a multi-directional folding undercut assembly part, in which many undercut positions are deep bone shapes used as assembly references. The mold structure is complex and changeable. According to the traditional processing method, the rear mold is made with multi-directional secondary sliders and left and right inclined sliders for core pulling. The mold structure is complex, the processing volume is large, and the space is insufficient, resulting in poor mold strength that affects the production life. In addition, it takes at least two months of continuous testing to develop and manufacture the mold, which seriously affects the customer's overall research and development and testing time of the finished product. Utility Model Content

[0003] The utility model aims to provide a mold structure for an inner protective cover of an automobile seat to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a mold structure of an inner protective cover of a car seat, comprising:

[0005] A front mold, wherein a mold cavity is provided at the bottom of the front mold, and inclined guide blocks are fixedly connected to both sides of the mold cavity;

[0006] The rear mold is placed at the bottom of the front mold, and the top of the rear mold is slidably connected with left and right sliders at the position corresponding to the inclined guide block. The tops of the left and right sliders are provided with inclined holes that match the inclined guide blocks. The top of the rear mold is embedded with a rear movable inlay, and the outer side of the rear movable inlay is matched with a rear mold inclined top. The rear movable inlay is matched with multiple directions of the core pulling of the left and right sliders, and a small inlay is added at the deep bone position of the rear movable inlay, and the demoulding of the folding position and the deep bone buckle position of the product is completed in combination with the inclined top;

[0007] The demoulding component is placed at the bottom of the rear mold, and the demoulding component includes a dome pin for demoulding.

[0008] Preferably, a top cover is fixedly connected to the top of the front mold, a glue injection port is fixedly connected to the middle of the top cover, and a glue injection tube is installed at the bottom of the glue injection port.

[0009] Preferably, a support plate is fixedly connected to the outer side of the rear mold, an oil cylinder is fixedly connected to the top of the support plate, and an output end of the oil cylinder is connected to the left and right sliding blocks.

[0010] Preferably, the bottom of the rear mold is fixedly connected to a base, the middle of the base is fixedly connected to a limiting slide rod, the outer side of the limiting slide rod is slidably connected to a lifting plate, and a return spring is sleeved on the outer side of the limiting slide rod and located above the lifting plate.

[0011] Preferably, the top of the lifting plate is fixedly connected with an inclined top seat, the inclined top seat is fixedly connected to the inclined top of the rear mold, and the bottom of the dome needle is fixedly connected to the lifting plate.

[0012] Preferably, upper guide rods are fixedly connected to the four corners of the bottom of the front mold, and a lower guide rod is fixedly connected to the top of the rear mold.

[0013] Preferably, the top of the rear mold is provided with a limiting hole that cooperates with the upper guide rod, and the bottom of the front mold is provided with a positioning hole that cooperates with the lower guide rod.

[0014] Compared with the prior art, the beneficial effects of the utility model are: by making the rear mold inclined slider core pulling and cooperating with multiple directions of movable assembled parts, adding small inserts at the deep bone position of the assembled parts, and combining with the inclined top to complete the demoulding of the product folding position and the deep bone buckle position, the cost of the injection molding machine and the injection molding production cycle are reduced while ensuring that the product assembly structure is not affected. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a structural schematic diagram of the rear mold of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the front mold of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the front mold and the rear mold when being separated;

[0019] Figure 5 It is a schematic diagram of the structure of the utility model when the front mold and the rear mold are molded together;

[0020] Figure 6 This is a schematic diagram of the structure of the left and right sliders of the utility model when they are assembled;

[0021] Figure 7 This is a schematic diagram of the structure of the utility model when the left and right sliders are separated;

[0022] Figure 8 It is a schematic diagram of the structure of the utility model during demoulding;

[0023] Fig. 9 This is a distribution diagram of the movable inlay parts on the product of the utility model;

[0024] Fig.10 It is a structural schematic diagram of the utility model product.

[0025] In the figure: 1. Glue injection tube; 2. Front mold; 3. Left and right sliders; 4. Rear mold; 5. Rear mold inclined top; 6. Inclined top seat; 7. Dome needle; 8. Rear movable inlay; 9. Top cover; 10. Glue injection port; 11. Support plate; 12. Oil cylinder; 13. Limiting slide bar; 14. Reset spring; 15. Lifting plate; 16. Inclined guide block; 17. Inclined hole; 18. Lower guide rod; 19. Upper guide rod; 20. Base. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1 , 2 As shown in Figures 3, 4, 5, 6, 7, 8, 9 and 10, the utility model provides a technical solution: a mold structure for an inner protective cover of a car seat, comprising: a front mold 2, a mold cavity is provided at the bottom of the front mold 2, and oblique guide blocks 16 are fixedly connected to both sides of the mold cavity; a rear mold 4 is placed at the bottom of the front mold 2, and left and right sliders 3 are slidably connected to the top of the rear mold 4 corresponding to the position of the oblique guide blocks 16, and oblique holes 17 cooperating with the oblique guide blocks 16 are provided on the tops of the left and right sliders 3, which can realize precise cutting and positioning in cooperation with the oblique guide blocks, and a rear movable inlay 8 is embedded and movably installed at the top of the rear mold 4, and a rear mold oblique top 5 is detachably installed on the outer side of the rear movable inlay 8, and the rear movable inlay 8 is matched with the rear mold oblique top 5 in a detachable manner, and the rear movable inlay 8 in multiple directions is matched with the core pulling of the left and right sliders 3, and a small inlay is added to the deep bone position of the rear movable inlay 8, and the demoulding of the folding position and the deep bone buckle position of the product is completed in combination with the oblique top; a demoulding component is placed at the bottom of the rear mold 4, and the demoulding component includes a dome pin 7 for demoulding.

[0028] It should be noted that, before the mold of the utility model is closed, the dome pin 7 is first reset to the bottom, the inclined top seat 6 and the rear mold inclined top 5 are reset to the bottom synchronously, and then the rear movable assembly 8 is placed in the corresponding position, and then the oil cylinder 12 resets the left and right sliders 3, and then the front and rear molds and the panel sprue plate are closed, and the injection molding machine is used for injection production after reaching the position; after the mold injection is completed, the mold is opened, the first step: pull open the panel and the sprue plate, pull open the injection tube 1, and then continue to open the mold and pull open the front mold 2 and the rear mold 4; the second step: control the oil cylinder 12 to pull the core to drive the left and right sliders 3 to separate from the product folding position in the direction of demolding; the third step: push all the dome pins 7 and the inclined top seat 6 and the rear mold inclined top 5 to drive the rear mold movable assembly 8 and the product to separate from the rear mold 4; then take out the product and all the movable assembly 8, and then take out the injection tube 1; the fourth step is to remove the movable insert 8 on the product from the product in the direction of demolding.

[0029] See also Figure 1 As shown, a top cover 9 is fixedly connected to the top of the front mold 2, a glue injection port 10 is fixedly connected to the middle of the top cover 9, and a glue injection tube 1 is installed at the bottom of the glue injection port 10.

[0030] It should be noted that the glue injection port 10 of the utility model is fixedly connected to the middle part of the top cover 9, which is the entrance for the plastic to enter the mold; the glue injection pipe 1 is installed at the bottom of the glue injection port 10, and the glue injection pipe 1 is a channel connecting the glue injection port 10 and the mold cavity, through which the molten plastic is guided into the mold cavity, filling the mold cavity to form the specific shape of the product; during the injection molding process, the plastic material in the molten state is first introduced into the glue injection port 10, and then transported to the mold cavity through the glue injection pipe 1.

[0031] See also Figure 1 , 2 As shown, a support plate 11 is fixedly connected to the outer side of the rear mold 4 , a cylinder 12 is fixedly connected to the top of the support plate 11 , and an output end of the cylinder 12 is connected to the left and right sliders 3 .

[0032] It should be noted that the functions of the left and right sliders 3 of the utility model are to release the buckle position and exhaust. The cylinder 12 is fixedly connected to the top of the support plate 11. The cylinder 12 is used to provide power and control the movement of the left and right sliders 3 in the mold, such as opening and closing the mold, and controlling the cylinder core pulling to drive the left and right sliders 3 to leave the product folding position in the direction of demolding.

[0033] See also Figure 1 , 4 As shown, the bottom of the rear mold 4 is fixedly connected to the base 20, the middle part of the base 20 is fixedly connected to the limiting slide bar 13, the outer side of the limiting slide bar 13 is slidably connected to the lifting plate 15, a return spring 14 is sleeved on the outer side of the limiting slide bar 13 and located above the lifting plate 15, the top of the lifting plate 15 is fixedly connected to the inclined top seat 6, the inclined top seat 6 is fixedly connected to the rear mold inclined top 5, and the bottom of the dome needle 7 is fixedly connected to the lifting plate 15.

[0034] It should be noted that during the operation of the injection mold of the utility model, the beveled ejector seat 6 and the dome needle 7 are directly involved in the plastic part molding and demolding process; through the up and down movement of the lifting plate 15, the beveled ejector seat 6 and the dome needle 7 can be accurately positioned and moved to achieve accurate molding and smooth demolding of the plastic part; the limiting slide bar 13 and the return spring 14 jointly ensure that the movement of the lifting plate 15 is both accurate and reliable, the limiting slide bar 13 guides the linear movement of the lifting plate 15, and the return spring 14 helps the lifting plate 15 return to its initial position after demolding, and prepares for the next injection molding cycle.

[0035] See also Figure 2 , 3As shown, the four corners of the bottom of the front mold 2 are fixedly connected with upper guide rods 19, the top of the rear mold 4 is fixedly connected with a lower guide rod 18, the top of the rear mold 4 is provided with a limiting hole that cooperates with the upper guide rod 19, and the bottom of the front mold 2 is provided with a positioning hole that cooperates with the lower guide rod 18.

[0036] It should be noted that the upper guide rod 19 of the utility model is fixed at the four corners of the bottom of the front mold 2, and the upper guide rod 19 is used to guide the front mold 2 and the rear mold 4 to be precisely aligned when the mold is closed, ensuring that the two parts of the mold can be correctly matched, thereby avoiding errors in the production process; the lower guide rod 18 is fixedly connected to the top of the rear mold 4, and the lower guide rod 18 is used in conjunction with the upper guide rod 19 to further improve the accuracy of the mold alignment; the limiting hole is set at the top of the rear mold 4 and is used in conjunction with the upper guide rod 19; the function of the limiting hole is to limit the movement range of the upper guide rod 19 when the mold is closed, ensuring the correct closing position of the mold; the positioning hole is set at the bottom of the front mold 2, and is used in conjunction with the lower guide rod 18; the positioning hole helps ensure the correct position of the front mold 2 in the vertical direction, and cooperates with the lower guide rod 18 to achieve precise alignment.

[0037] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0039] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold structure for an inner protective cover of a car seat, characterized in that: include: A front mold (2), wherein a mold cavity is provided at the bottom of the front mold (2), and inclined guide blocks (16) are fixedly connected to both sides of the mold cavity; The rear mold (4) is placed at the bottom of the front mold (2), and the top of the rear mold (4) is slidably connected with left and right sliders (3) at the position corresponding to the inclined guide block (16). The tops of the left and right sliders (3) are provided with inclined holes (17) that cooperate with the inclined guide block (16). The top of the rear mold (4) is embedded with a rear movable inlay (8), and the outer side of the rear movable inlay (8) is cooperated with a rear mold inclined top (5). The rear movable inlay (8) in multiple directions is cooperated by core pulling of the left and right sliders (3), and a small inlay is added at the deep bone position of the rear movable inlay (8), and the demoulding of the folding position and the deep bone buckle position of the product is completed in combination with the inclined top; A demoulding assembly is placed at the bottom of the rear mold (4), and the demoulding assembly comprises a dome pin (7) for demoulding.

2. The mold structure of the inner protective cover of a car seat according to claim 1, characterized in that: The top of the front mold (2) is fixedly connected to a top cover (9), the middle of the top cover (9) is fixedly connected to a glue injection port (10), and the bottom of the glue injection port (10) is installed with a glue injection tube (1).

3. The mold structure of the inner protective cover of a car seat according to claim 1, characterized in that: The outer side of the rear mold (4) is fixedly connected to a support plate (11), the top of the support plate (11) is fixedly connected to an oil cylinder (12), and the output end of the oil cylinder (12) is connected to the left and right slide blocks (3).

4. The mold structure of the inner protective cover of a car seat according to claim 1, characterized in that: The bottom of the rear mold (4) is fixedly connected to a base (20), the middle of the base (20) is fixedly connected to a limit slide bar (13), the outer side of the limit slide bar (13) is slidably connected to a lifting plate (15), and a return spring (14) is sleeved on the outer side of the limit slide bar (13) and located above the lifting plate (15).

5. The mold structure of the inner protective cover of the automobile seat according to claim 4, characterized in that: The top of the lifting plate (15) is fixedly connected to a slanted top seat (6), the slanted top seat (6) is fixedly connected to the rear mold slanted top (5), and the bottom of the dome needle (7) is fixedly connected to the lifting plate (15).

6. The mold structure of the inner protective cover of a car seat according to claim 1, characterized in that: The four corners of the bottom of the front mold (2) are fixedly connected to upper guide rods (19), and the top of the rear mold (4) is fixedly connected to a lower guide rod (18).

7. The mold structure of the inner protective cover of the automobile seat according to claim 6, characterized in that: The top of the rear mold (4) is provided with a limiting hole that cooperates with the upper guide rod (19), and the bottom of the front mold (2) is provided with a positioning hole that cooperates with the lower guide rod (18).

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