A sponge foaming mold

Abstract

The utility model relates to the technical field of sponge production, concretely to a sponge foaming mould, including foaming case and bottom plate, the top of foaming case is hinged to have the cover, the lower part of cover is connected with upper mould body, the inside installation of foaming case has lower mould body, the middle part of lower mould body is established with mould groove, the bottom of mould groove is established with drainage hole. This kind of sponge foaming mould, through air spring to promote connecting piece to drive foaming case whole body along slide rail to and fro movement, utilize foaming case to move the inertia in starting and stopping process, make the foam slurry distribution in mould groove inside more uniform, the shaking process not only can make the foam slurry in mould groove bottom lay flat, and the excess part foam slurry will enter the drainage hole, start foaming from the center of mould groove, can avoid the uneven foaming problem caused by uneven distribution of sponge two sides slurry.

Description

Technical Field

[0001] This utility model relates to the field of sponge production technology, specifically a sponge foaming mold. Background Technology

[0002] Chinese utility model patent application number CN202421189346.6 discloses a foaming mold for sponge molding, including a lower mold body and an upper mold body rotatably connected thereto. The upper mold body is located above the lower mold body. A clamping assembly is provided at the outer end of the lower mold body. A support rod is fixedly connected to the outer end of the lower mold body. A cylindrical block is rotatably connected to the outer wall of the support rod. A feeding assembly located on the upper side of the upper mold body is fixedly connected to the outer end of the cylindrical block. The clamping assembly includes a vertical rod fixedly connected to the lower mold body. A clamping plate is rotatably connected to the outer wall of the vertical rod. Two slots are symmetrically arranged about the support rod at the outer end of the cylindrical block. A locking block that matches the slots is rotatably connected to the upper end of the support rod. This solution sets a feeding assembly on the upper side of the lower mold body. By rotating the drive ring, the sealing block is moved out of the discharge hole, realizing the synchronous flow of sponge slurry from multiple discharge holes, thereby making the sponge slurry more evenly distributed at the bottom of the lower mold body and ensuring the production quality of sponge products.

[0003] There will be residues of sponge slurry during the process of passing through the sealing block and the discharge hole. During the subsequent foaming process, these residual sponge slurry will expand and cause blockage of the discharge hole. In addition, due to the large number of discharge holes, it is not easy to clean during demolding, which can easily cause problems such as stretching of the sponge surface.

[0004] To address the aforementioned issues, we have made improvements and proposed a sponge foaming mold. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] This utility model provides a sponge foaming mold, including a foaming box and a base plate. The top of the foaming box is hinged with a cover, and the lower part of the cover is connected to an upper mold body. A lower mold body is installed inside the foaming box. A mold groove is opened in the middle of the lower mold body, and a drainage hole is opened at the bottom of the mold groove.

[0007] The foaming box is provided with several push blocks on both sides, and a pressure-bearing component is installed at the bottom of the push block. The push block is in contact with the edge of the foaming box.

[0008] The upper part of the base plate is equipped with a slide rail and a gas spring.

[0009] As a preferred technical solution of this utility model, the bottom of the pressure-bearing component is in contact with the upper surface edge of the lower mold body, and at this time the top of the push block is in contact with the edge of the foaming box. The upper surface of the pressure-bearing component is provided with several protrusions, the push block is L-shaped, and the top of the push block extends outward to the edge of the foaming box.

[0010] As a preferred technical solution of this utility model, several cylinders are fixedly installed on the outer surfaces of both sides of the foaming box, and the ends of the telescopic parts of the cylinders are fixedly connected to the top of the push block.

[0011] As a preferred embodiment of this utility model, the drainage hole is located at the center of the bottom of the mold groove, and the connection between the drainage hole and the mold groove is an arc-shaped connection.

[0012] As a preferred technical solution of this utility model, the two sides of the foaming box are respectively hinged with connecting rods, the top of the connecting rods are threaded with handles, the lower part of the handles is coaxially fixedly connected with a clamping plate, and the lower surface of the clamping plate is provided with a rubber pad.

[0013] As a preferred embodiment of this utility model, a slider is slidably connected to the slide rail, the slider is fixedly connected to the bottom of the foaming box by bolts, a connector is installed at the bottom of the foaming box, the gas spring is fixedly connected to the base plate, and the installation direction of the gas spring is parallel to the slide rail, and the telescopic part of the gas spring is fixedly connected to the connector.

[0014] As a preferred technical solution of this utility model, the front side of the foaming box is provided with a feeding pipe, which is connected to the interior of the foaming box, and when the cover is closed, the front surface of the upper mold body blocks the connection between the feeding pipe and the foaming box.

[0015] The beneficial effects of this utility model are:

[0016] 1. This type of sponge foaming mold uses a gas spring to push the connecting parts to move the foaming box back and forth along the slide rail. By utilizing the inertia of the foaming box during the start and stop process, the distribution of foam slurry inside the mold groove is made more uniform. The shaking process not only allows the foam slurry to be spread flat at the bottom of the mold groove, but also allows the excess foam slurry to enter the drainage hole and start foaming from the center of the mold groove. This can avoid problems such as uneven foaming caused by uneven distribution of slurry on both sides of the sponge.

[0017] 2. During demolding, the cylinder drives the pressure-bearing components and push blocks to move upward, lifting the foamed sponge upward as a whole. Multiple points of force are applied to achieve rapid demolding of the lower mold body and the sponge, reducing the difficulty of demolding. The L-shaped push blocks fit against the edge of the foaming box, reducing the impact on the sealing of the foaming box. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the base plate structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the lower mold body of this utility model;

[0022] Figure 4 This is a schematic diagram of the push block structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the clamping plate structure of this utility model;

[0024] In the diagram: 1. Foaming box; 2. Base plate; 3. Cover; 4. Upper mold body; 5. Slide rail; 6. Slider; 7. Cylinder; 8. Handle; 9. Push block; 10. Lower mold body; 11. Gas spring; 12. Connecting part; 13. Pressure bearing part; 14. Mold groove; 15. Drain hole; 16. Clamping plate; 17. Connecting rod. Detailed Implementation

[0025] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0026] Example: Figure 1-5 As shown, a sponge foaming mold includes a foaming box 1 and a base plate 2. A cover 3 is hinged to the top of the foaming box 1, and an upper mold body 4 is connected to the lower part of the cover 3. A lower mold body 10 is installed inside the foaming box 1. A mold groove 14 is opened in the middle of the lower mold body 10, and a drainage hole 15 is opened at the bottom of the mold groove 14.

[0027] Several push blocks 9 are provided on both sides of the foaming box 1. A pressure-bearing component 13 is installed at the bottom of the push block 9. The push block 9 fits against the edge of the foaming box 1.

[0028] The upper part of the base plate 2 is equipped with a slide rail 5 and a gas spring 11.

[0029] The bottom of the pressure-bearing component 13 is in contact with the upper surface edge of the lower mold body 10, and at this time the top of the push block 9 is in contact with the edge of the foaming box 1. The upper surface of the pressure-bearing component 13 is provided with several protrusions, the push block 9 is L-shaped, and the top of the push block 9 extends outward to the edge of the foaming box 1.

[0030] Several cylinders 7 are fixedly installed on the outer surfaces of both sides of the foaming box 1, and the ends of the telescopic parts of the cylinders 7 are fixedly connected to the top of the push block 9.

[0031] During the foaming process, the pusher block 9 and the pressure-bearing component 13 remain in contact with the foaming box 1, reducing the impact on the foaming surface of the sponge. After the foaming is completed, the cylinder 7 pushes the pusher block 9 upward, causing the bottom of the pressure-bearing component 13 to drive the sponge to detach from the lower mold body 10, reducing the difficulty of demolding. Moreover, multiple pressure-bearing components 13 share the force, reducing the pressure on the sponge at a single point and reducing the damage to the sponge surface.

[0032] The drainage hole 15 is located at the center of the bottom of the mold groove 14. The connection between the drainage hole 15 and the mold groove 14 is arc-shaped. When the foam slurry shakes inside the foaming box 1 and is evenly distributed at the bottom of the foaming box 1, the excess foam slurry is temporarily stored in the drainage hole 15 along the arc-shaped edge of the drainage hole. During foaming, the foam slurry in the drainage hole 15 foams outward from the middle of the foaming box 1, which makes the foam more evenly distributed in the foaming box 1 and reduces the height difference on both sides.

[0033] Connecting rods 17 are hinged to both sides of the foaming box 1. A handle 8 is threaded to the top of the connecting rod 17. A clamping plate 16 is coaxially fixed to the lower part of the handle 8. A rubber pad is provided on the lower surface of the clamping plate 16. After the cover 3 is closed, the connecting rod 17 is adjusted to a vertical position. The handle 8 is turned so that the clamping plate 16 moves down and squeezes the top of the cover 3 downward to prevent the cover 3 from being pushed up by the foamed sponge.

[0034] A slider 6 is slidably connected to the slide rail 5. The slider 6 is fixedly connected to the bottom of the foaming box 1 by bolts. A connector 12 is installed at the bottom of the foaming box 1. A gas spring 11 is fixedly connected to the base plate 2. The installation direction of the gas spring 11 is parallel to the slide rail 5. The telescopic part of the gas spring 11 is fixedly connected to the connector 12.

[0035] The gas spring 11 drives the foaming box 1 to move back and forth along the slide rail 5. The foam slurry inside the foaming box 1 is spread out evenly inside the foaming box 1 due to the inertia of the back and forth movement. Since the foam slurry has a certain viscosity, it will remain on the flow path during the spreading process, thus making the foam slurry more evenly distributed inside the foaming box 1.

[0036] The front side of the foaming box 1 is provided with a feed pipe, which is connected to the interior of the foaming box 1. When the cover 3 is closed, the front surface of the upper mold body 4 blocks the connection between the feed pipe and the foaming box 1. Foam slurry is injected into the interior of the foaming box 1 through the feed pipe. When foaming, the cover 3 is closed and the upper mold body 4 seals the end of the feed pipe to prevent the feed pipe from being blocked during the foaming process.

[0037] Working Principle: In this type of sponge foaming mold, foam slurry is injected into the foaming box 1 through the feed pipe. During foaming, the cap 3 is closed, and the upper mold body 4 seals the end of the feed pipe to prevent blockage during the foaming process. The gas spring 11 drives the entire foaming box 1 to move back and forth along the slide rail 5. Due to the inertia of the back-and-forth movement, the foam slurry inside the foaming box 1 spreads evenly. Because the foam slurry has a certain viscosity, some residue will remain along the flow path during the spreading process, resulting in a more uniform distribution of the foam slurry inside the foaming box 1. When the foam slurry shakes and is evenly distributed at the bottom of the foaming box 1, excess foam slurry is temporarily stored in the drainage hole 15 along the arc-shaped edge of the drainage hole. During foaming, the excess foam slurry is drained away. The foam slurry inside hole 15 foams outward from the middle of the foaming box 1, which makes the foam more evenly distributed in the foaming box 1 and reduces the height difference on both sides. After the cover 3 is closed, the connecting rod 17 is adjusted to a vertical position. The handle 8 is turned so that the clamping plate 16 moves down and squeezes the top of the cover 3 downward to prevent the cover 3 from being pushed up by the foamed sponge. During the foaming process, the push block 9 and the pressure bearing 13 keep in close contact with the foaming box 1 to reduce the impact on the foamed surface of the sponge. After the foaming is completed, the cylinder 7 pushes the push block 9 upward, so that the bottom of the pressure bearing 13 drives the sponge to detach from the lower mold body 10, reducing the difficulty of demolding. Moreover, multiple pressure bearings 13 share the force, reducing the pressure on the sponge at a single point and reducing the damage to the sponge surface.

[0038] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A sponge foaming mold, comprising a foaming box (1) and a base plate (2), characterized in that, The top of the foaming box (1) is hinged with a cover (3), the lower part of the cover (3) is connected to an upper mold body (4), the inside of the foaming box (1) is equipped with a lower mold body (10), the middle part of the lower mold body (10) is provided with a mold groove (14), and the bottom of the mold groove (14) is provided with a drainage hole (15). The foaming box (1) has several push blocks (9) on both sides, and a pressure-bearing component (13) is installed at the bottom of the push block (9). The push block (9) is in contact with the edge of the foaming box (1). The upper part of the base plate (2) is equipped with a slide rail (5) and a gas spring (11).

2. The sponge foaming mold according to claim 1, characterized in that, The bottom of the pressure-bearing component (13) is in contact with the upper surface edge of the lower mold body (10), and at this time the top of the push block (9) is in contact with the edge of the foaming box (1). The upper surface of the pressure-bearing component (13) is provided with several protrusions. The push block (9) is L-shaped, and the top of the push block (9) extends outward to the edge of the foaming box (1).

3. The sponge foaming mold according to claim 2, characterized in that, Several cylinders (7) are fixedly installed on the outer surfaces of both sides of the foaming box (1), and the ends of the telescopic parts of the cylinders (7) are fixedly connected to the top of the push block (9).

4. The sponge foaming mold according to claim 1, characterized in that, The drainage hole (15) is located at the center of the bottom of the mold groove (14), and the connection between the drainage hole (15) and the mold groove (14) is an arc-shaped connection.

5. A sponge foaming mold according to claim 1, characterized in that, The foaming box (1) has connecting rods (17) hinged to both sides. The top of the connecting rod (17) is threaded with a handle (8). The lower part of the handle (8) is coaxially fixed with a clamping plate (16). The lower surface of the clamping plate (16) is provided with a rubber pad.

6. A sponge foaming mold according to claim 1, characterized in that, A slider (6) is slidably connected to the slide rail (5). The slider (6) is fixedly connected to the bottom of the foam box (1) by bolts. A connector (12) is installed at the bottom of the foam box (1). The gas spring (11) is fixedly connected to the base plate (2). The installation direction of the gas spring (11) is parallel to the slide rail (5). The telescopic part of the gas spring (11) is fixedly connected to the connector (12).

7. A sponge foaming mold according to claim 1, characterized in that, The front side of the foaming box (1) is provided with a feed pipe, which is connected to the interior of the foaming box (1). When the cover (3) is closed, the front surface of the upper mold body (4) blocks the connection between the feed pipe and the foaming box (1).

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