Mold for foam product

Abstract

The utility model discloses a mould for foam products, which comprises a lower mould base arranged in a lower mould body, an upper mould base is arranged in an upper mould body, the upper end of the lower mould base and the lower end of the upper mould base are obliquely arranged, and a heating assembly is arranged at the lower end of the lower mould base; the connecting seats are arranged on the two sides of the lower die body, the four connecting seats are fixedly connected with the lower die body, the cross section of each connecting seat is in a U shape, connecting strips are arranged on the two sides of the upper die body, the four connecting strips are fixedly connected with the upper die body, and the connecting strips are slidably connected with the connecting seats. A control panel is arranged on one side of the lower die body and connected with the lower die body through screws, the lower end of the upper die base of the die is inserted into the upper end of the lower die base, a closed cavity is formed by the upper die base and the lower die base, the die can be rapidly disassembled, a manufactured foam product can be conveniently taken out, and the production efficiency of the foam product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of foam products, in particular to a mold used for foam products. Background Art

[0002] Foam is a material made of foamed plastic particles, referred to as foam. Foam is divided into PU foam, anti-static foam, conductive foam, EPE, anti-static EPE, CR, EVA, bridged PE, SBR, EPDM, etc. Foam has a series of characteristics such as elasticity, light weight, fast pressure-sensitive fixation, easy to use, easy to bend, ultra-thin volume, reliable performance, etc. Foam products are produced using foam foaming production technology, and foam foaming requires the use of molds for production.

[0003] The Chinese patent announcement number is CN219883119U, and the authorization announcement date is October 24, 2023. A scale-proof mold for the production of foam products includes a base and a mold body. The mold body is installed on the base, and a mounting seat is installed on one side of the mold body. The mounting seat is rotatably connected to an electric lifting rod, and a servo motor is installed on the electric lifting rod. The output end of the servo motor is fixedly connected to the mounting rod, and the lower end of the mounting rod is rotatably connected to a receiving plate. The two sides of the middle of the mounting rod are fixedly connected to the mounting tube, and one side of the mounting tube is slidably connected to the moving rod, and one side of the moving rod is fixedly connected to a scraper away from one side of the mounting tube. The beneficial effect of the utility model is: through the adjustable receiving plate and scraper structure set on one side of the mold body, the dirt adhering to the groove wall can be quickly removed when the mold body needs to be cleaned, and the dirt is collected through the receiving plate, thereby achieving the effect of quickly cleaning the mold, improving the cleaning efficiency, and facilitating the use of the mold.

[0004] When existing molds are used to produce foam products, the molds cannot be disassembled quickly, the foam products have irregular shapes and are not easy to remove from the molds, and a large amount of gas is generated in the mold cavity during the foaming process. The gas in the cavity will affect the production of foam products, reduce the production efficiency of foam products, and cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a mold for foam products to solve the problems raised in the above background technology that the existing mold cannot be quickly disassembled when producing foam products, the foam products have irregular shapes and are not easy to be taken out of the mold, a large amount of gas is generated in the mold cavity during the foaming process, and the gas in the cavity will affect the production of foam products, reduce the production efficiency of foam products, and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a mold for a foam product, comprising a lower mold body and an upper mold body, and also comprising:

[0007] A lower die base is arranged inside the lower die body, and the lower die base is fixedly connected to the lower die body. An upper die base is arranged inside the upper die body, and the upper die base is fixedly connected to the upper die body. The upper end of the lower die base and the lower end of the upper die base are both inclined, and the lower die base is matched with the upper die base. A heating component is arranged at the lower end of the lower die base, and the heating component is connected to the lower die base as a whole.

[0008] A connecting seat is arranged on both sides of the lower mold body, four connecting seats are provided, and the connecting seat is fixedly connected to the lower mold body, the cross-section of the connecting seat is U-shaped, connecting strips are arranged on both sides of the upper mold body, four connecting strips are provided, and the connecting strips are fixedly connected to the upper mold body, the connecting strips are slidably connected to the connecting seat, and a control panel is provided on one side of the lower mold body, and the control panel is connected to the lower mold body by screws.

[0009] Preferably, positioning holes are provided on the four connecting strips, locking bolts are provided on one side of the four connecting seats, and the locking bolts are threadedly connected to the connecting seats, and the locking bolts are arranged corresponding to the positioning holes.

[0010] Preferably, an exhaust pipe is provided at the center of the upper end of the upper mold body, and the exhaust pipe is connected to the upper mold body and the upper mold base as a whole, a piston member is provided at the upper end of the exhaust pipe, and the piston member is plugged into the exhaust pipe, and an exhaust hole is provided at the top of the upper mold base, and the exhaust hole is connected to the exhaust pipe.

[0011] Preferably, a connecting frame is provided inside the lower end of the exhaust pipe, and the connecting frame is fixedly connected to the exhaust pipe. A compression spring is provided inside the exhaust pipe, and both ends of the compression spring are fixedly connected to the piston member and the connecting frame respectively.

[0012] Preferably, a temperature sensor is provided above the upper mold body, and the temperature sensor is provided on one side of the exhaust pipe, the temperature sensor is connected as a whole with the upper mold body and the upper mold base, and the temperature sensor is connected to the upper mold base.

[0013] Preferably, ventilation windows are provided on both sides of the upper end of the lower mold body and on both sides of the lower end of the upper mold body, dustproof nets are provided inside the ventilation windows, and the dustproof nets are connected to the lower mold body and the upper mold body as a whole.

[0014] Preferably, an exhaust fan is provided inside the lower mold body, two exhaust fans are provided, and the exhaust fans are fixedly connected to the lower mold body, the two exhaust fans are arranged on both sides of the lower mold base, and the exhaust fans are arranged on the inner side of the air vent.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model device is provided with a lower mold base, an upper mold base, a heating component, a connecting seat, a connecting strip, a locking bolt and a positioning hole. The lower end of the upper mold base is inserted from the upper end of the lower mold base, and the lower mold base and the upper mold base form a closed cavity. The heating component heats the foaming material in the lower mold base, and the foaming material expands due to heat to fill the cavity, so as to produce a foam product of a desired shape. The connecting strip is aligned with the connecting seat and inserted, and the locking bolt is rotated to insert one end of the connecting strip into the positioning hole, which plays a limiting role on the inserted connecting strip, and connects the upper mold body with the lower mold body;

[0017] 2. The utility model device is provided with an exhaust hole, an exhaust cylinder, a piston and a compression spring. The compression spring applies a pulling force to the piston to tightly connect the piston and the exhaust cylinder. When the air pressure in the cavity is greater than the elastic force of the compression spring, the piston is lifted up, and the exhaust hole allows the overpressure gas in the cavity to flow into the exhaust cylinder, and then be discharged along the exhaust cylinder to reduce the air pressure in the cavity;

[0018] 3. The utility model device is provided with ventilation windows, dustproof nets and exhaust fans. The ventilation windows enable air circulation inside and outside the mold to discharge the heat inside the mold. The exhaust fans accelerate the air flow at the ventilation windows to accelerate the heat dissipation of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 For the utility model Figure 2 A partial enlarged view of area A;

[0022] Figure 4 This is a front view structural diagram of the lower mold body of the utility model;

[0023] Figure 5 This is a main structural diagram of the upper mold body of the utility model;

[0024] Figure 6 This is a connection diagram of the connection seat and the connection strip of the utility model.

[0025] In the figure: 1. lower mold body; 2. upper mold body; 3. exhaust pipe; 4. piston member; 5. temperature sensor; 6. control panel; 7. air vent; 8. dust screen; 9. connecting seat; 10. connecting strip; 11. lower mold base; 12. upper mold base; 13. heating assembly; 14. exhaust fan; 15. exhaust hole; 16. connecting frame; 17. compression spring; 18. locking bolt; 19. positioning hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] See also Figure 1-6 The utility model provides an embodiment: a mold for a foam product, comprising a lower mold body 1 and an upper mold body 2, and further comprising:

[0028] A lower die base 11 is arranged inside the lower die body 1, and the lower die base 11 is fixedly connected to the lower die body 1, an upper die base 12 is arranged inside the upper die body 2, and the upper die base 12 is fixedly connected to the upper die body 2, the upper end of the lower die base 11 and the lower end of the upper die base 12 are both inclined, and the lower die base 11 and the upper die base 12 are matched, and a heating component 13 is arranged at the lower end of the lower die base 11, and the heating component 13 is connected to the lower die base 11 as a whole;

[0029] A connecting seat 9 is arranged on both sides of the lower mold body 1. Four connecting seats 9 are provided and the connecting seats 9 are fixedly connected to the lower mold body 1. The cross section of the connecting seat 9 is U-shaped. Connecting strips 10 are arranged on both sides of the upper mold body 2. Four connecting strips 10 are provided and the connecting strips 10 are fixedly connected to the upper mold body 2. The connecting strips 10 are slidably connected to the connecting seat 9. A control panel 6 is provided on one side of the lower mold body 1, and the control panel 6 is connected to the lower mold body 1 by screws.

[0030] When in use: put the foam raw material into the lower mold base 11, align the connecting strip 10 with the connecting base 9 and insert it, connect the upper mold body 2 with the lower mold body 1, insert the lower end of the upper mold base 12 from the upper end of the lower mold base 11, and form a closed cavity with the lower mold base 11 and the upper mold base 12, turn on the heating component 13 to heat the foam raw material in the lower mold base 11, and the foam raw material expands due to the heat to fill the cavity to produce a foam product of the desired shape.

[0031] See also Figure 1 and Figure 6 , positioning holes 19 are provided on the four connecting strips 10, and locking bolts 18 are provided on one side of the four connecting seats 9, and the locking bolts 18 are threadedly connected to the connecting seats 9. The locking bolts 18 are correspondingly arranged to the positioning holes 19. By rotating the locking bolts 18, one end of the locking bolts 18 is inserted into the positioning holes 19, which plays a limiting role on the inserted and connected connecting strips 10, thereby improving the connection effect between the lower mold base 11 and the upper mold base 12.

[0032] See also Figure 1 , Figure 2 and Figure 3An exhaust pipe 3 is arranged at the center of the upper end of the upper mold body 2, and the exhaust pipe 3 is connected with the upper mold body 2 and the upper mold base 12 as a whole. A piston member 4 is arranged at the upper end of the exhaust pipe 3, and the piston member 4 is plugged into the exhaust pipe 3. An exhaust hole 15 is arranged on the top of the upper mold base 12, and the exhaust hole 15 is connected with the exhaust pipe 3. The over-pressure gas in the cavity flows into the exhaust pipe 3 through the exhaust hole 15, and then is discharged along the exhaust pipe 3 to reduce the air pressure in the cavity.

[0033] See also Figure 2 and Figure 3 A connecting frame 16 is provided inside the lower end of the exhaust pipe 3, and the connecting frame 16 is fixedly connected to the exhaust pipe 3. A compression spring 17 is provided inside the exhaust pipe 3, and the two ends of the compression spring 17 are respectively fixedly connected to the piston member 4 and the connecting frame 16. The compression spring 17 applies a pulling force to the piston member 4 to tightly connect the piston member 4 and the exhaust pipe 3. When the air pressure in the cavity is greater than the elastic force of the compression spring 17, the piston member 4 is lifted up to open the exhaust pipe 3 to exhaust air.

[0034] See also Figure 1 , Figure 2 and Figure 3 A temperature sensor 5 is arranged above the upper mold body 2, and the temperature sensor 5 is arranged on one side of the exhaust pipe 3. The temperature sensor 5 is connected to the upper mold body 2 and the upper mold base 12 as a whole, and the temperature sensor 5 is connected to the upper mold base 12. The temperature in the cavity is measured by the temperature sensor 5, which is convenient for controlling the production temperature.

[0035] See also Figure 1 and Figure 2 Both sides of the upper end of the lower mold body 1 and both sides of the lower end of the upper mold body 2 are provided with ventilation windows 7, and a dustproof net 8 is provided inside the ventilation window 7, and the dustproof net 8 is connected to the lower mold body 1 and the upper mold body 2 as a whole. The ventilation windows 7 are used to realize air circulation inside and outside the mold and discharge the heat inside the mold.

[0036] See also Figure 2 and Figure 4 An exhaust fan 14 is provided inside the lower mold body 1. Two exhaust fans 14 are provided and are fixedly connected to the lower mold body 1. The two exhaust fans 14 are provided on both sides of the lower mold base 11, and the exhaust fans 14 are provided on the inner side of the air vent window 7. The exhaust fans 14 are used to accelerate the air flow at the air vent window 7 and accelerate the heat dissipation of the mold.

[0037] Working principle: Put the foam raw material into the lower mold base 11, align the connecting strip 10 with the connecting base 9 and insert it, rotate the locking bolt 18 to insert one end of it into the positioning hole 19, and limit the inserted connecting strip 10, connect the upper mold body 2 with the lower mold body 1, insert the lower end of the upper mold base 12 from the upper end of the lower mold base 11, and form a closed cavity with the lower mold base 11 and the upper mold base 12, turn on the heating component 13 to heat the foam raw material in the lower mold base 11, and the foam raw material expands due to the heat to fill the cavity to produce the desired shape. For foam products of this type, the temperature sensor 5 measures the temperature inside the cavity to facilitate the control of the production temperature; the compression spring 17 applies a pulling force to the piston member 4 to tightly connect the piston member 4 with the exhaust pipe 3. When the air pressure in the cavity is greater than the elastic force of the compression spring 17, the piston member 4 is lifted up, and the exhaust hole 15 allows the over-pressure gas in the cavity to flow into the exhaust pipe 3, and then discharge it along the exhaust pipe 3 to reduce the air pressure in the cavity; the air vent 7 realizes air circulation inside and outside the mold to discharge the heat inside the mold, and the exhaust fan 14 accelerates the air flow at the air vent 7 to accelerate the heat dissipation of the mold.

[0038] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0039] 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 for a foam product, comprising a lower mold body (1) and an upper mold body (2), characterized in that: Also includes: A lower die base (11) is arranged inside the lower die body (1), and the lower die base (11) is fixedly connected to the lower die body (1); an upper die base (12) is arranged inside the upper die body (2), and the upper die base (12) is fixedly connected to the upper die body (2); the upper end of the lower die base (11) and the lower end of the upper die base (12) are both inclined, and the lower die base (11) and the upper die base (12) are matched; a heating component (13) is arranged at the lower end of the lower die base (11), and the heating component (13) is connected to the lower die base (11) as a whole; A connecting seat (9) is arranged on both sides of the lower mold body (1), four connecting seats (9) are arranged, and the connecting seat (9) is fixedly connected to the lower mold body (1), and the cross-section of the connecting seat (9) is arranged in a U-shape, connecting strips (10) are arranged on both sides of the upper mold body (2), four connecting strips (10) are arranged, and the connecting strips (10) are fixedly connected to the upper mold body (2), and the connecting strips (10) are slidably connected to the connecting seat (9), and a control panel (6) is arranged on one side of the lower mold body (1), and the control panel (6) is connected to the lower mold body (1) by screws.

2. A mold for foam products according to claim 1, characterized in that: The four connecting strips (10) are each provided with a positioning hole (19), one side of the four connecting seats (9) is each provided with a locking bolt (18), and the locking bolt (18) is threadedly connected to the connecting seat (9), and the locking bolt (18) and the positioning hole (19) are correspondingly arranged.

3. A mold for foam products according to claim 1, characterized in that: An exhaust pipe (3) is arranged at the center of the upper end of the upper mold body (2), and the exhaust pipe (3) is connected to the upper mold body (2) and the upper mold base (12) as a whole; a piston member (4) is arranged at the upper end of the exhaust pipe (3), and the piston member (4) is plugged into the exhaust pipe (3); an exhaust hole (15) is arranged at the top of the upper mold base (12), and the exhaust hole (15) is connected to the exhaust pipe (3).

4. A mold for foam products according to claim 3, characterized in that: A connecting frame (16) is arranged inside the lower end of the exhaust pipe (3), and the connecting frame (16) is fixedly connected to the exhaust pipe (3). A compression spring (17) is arranged inside the exhaust pipe (3), and the two ends of the compression spring (17) are respectively fixedly connected to the piston member (4) and the connecting frame (16).

5. A mold for foam products according to claim 1, characterized in that: A temperature sensor (5) is arranged above the upper mold body (2), and the temperature sensor (5) is arranged on one side of the exhaust pipe (3). The temperature sensor (5) is connected to the upper mold body (2) and the upper mold base (12) as a whole, and the temperature sensor (5) is connected to the upper mold base (12).

6. A mold for foam products according to claim 1, characterized in that: Both sides of the upper end of the lower mold body (1) and both sides of the lower end of the upper mold body (2) are provided with ventilation windows (7), and dustproof nets (8) are provided inside the ventilation windows (7), and the dustproof nets (8) are connected to the lower mold body (1) and the upper mold body (2) as a whole.

7. A mold for foam products according to claim 1, characterized in that: An exhaust fan (14) is arranged inside the lower mold body (1), two exhaust fans (14) are arranged, and the exhaust fans (14) are fixedly connected to the lower mold body (1), the two exhaust fans (14) are arranged on both sides of the lower mold base (11), and the exhaust fans (14) are arranged on the inner side of the air vent window (7).

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