Air bag cover injection molding mold integrated with one-way air channel

Abstract

The utility model relates to an air bag cover injection molding mold integrated with a one-way air passage, which comprises an air bag cover upper mold and an air bag cover lower mold, an air bag cover mold core is arranged on the lower surface of the air bag cover upper mold, the air bag cover mold core comprises a fitting molding surface, a pressing molding convex surface is arranged on the fitting molding surface, and a pressing molding convex surface is arranged on the pressing molding convex surface. An air bag cover cavity matched with the air bag cover mold core is formed in the upper surface of the air bag cover lower mold, an attaching forming groove is formed in the air bag cover cavity, a pressing forming concave surface matched with the pressing forming convex surface is arranged in the attaching forming groove, and a first one-way air channel mold core and a second one-way air channel mold core are arranged in the attaching forming groove; when the air bag cover lower mold is covered with the air bag cover upper mold, an air bag cover injection molding cavity is defined between the air bag cover mold core and the air bag cover mold cavity, and at the moment, the free end of the first one-way air channel mold core and the free end of the second one-way air channel mold core abut against the pressing forming convex face.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mould, especially a gasbag cover injection mould of integrated one-way air passage. BACKGROUND

[0002] Shoes are commonly used wearing articles in people's daily life, in order to increase the air permeability in shoes, a kind of air exchange gasbag and preparation mould are disclosed in Chinese patent with the authorization announcement No.CN212171014U, which includes gasbag body, the gasbag body is provided with gas-containing inner cavity, the front end of the gasbag body is provided with the first one-way flow channel and the second one-way flow channel communicated with gas-containing inner cavity, the gasbag body, the first one-way flow channel and the second one-way flow channel are integrally formed, the first ball is arranged in the inlet flow channel, the first ball and the first one-way flow channel are provided with inlet occlusion ring, the inner diameter of the inlet flow channel is greater than the diameter of the first ball, the inner diameter of the inlet occlusion ring is less than the diameter of the first ball, the second ball is arranged in the outlet flow channel, the second ball and the outlet of gas-containing inner cavity are provided with outlet occlusion ring, the inner diameter of the outlet flow channel is greater than the diameter of the second ball, the inner diameter of the outlet occlusion ring is less than the diameter of the second ball.The patent solves the problem of air permeability in shoes.

[0003] The gasbag of prior art CN212171014U is formed by moulding process, and artificial feeding is adopted (putting rubber into mould, and needing to extract middle plate), the production time is long, and the quality is unstable, and the good product rate is low.Therefore, the inventor innovates on the basis of the structure of the gasbag of CN212171014U, and develops a kind of alternative scheme, designs a kind of gasbag cover structure, which is combined with the sole with recess structure to form a gasbag, in order to produce the gasbag cover of the structure, the inventor researches and develops the mould for producing the gasbag cover. CONTENT OF UTILITY MODEL

[0004] To solve the above problems, the utility model provides a kind of gasbag cover injection mould of integrated one-way air passage.

[0005] To achieve the above object, the utility model adopts the following technical scheme: the utility model relates to a kind of gasbag cover injection mould of integrated one-way air passage, including gasbag cover upper die and gasbag cover lower die, the lower surface of the gasbag cover upper die is equipped with gasbag cover core, the gasbag cover core includes the adhesion forming surface, and the adhesion forming surface is equipped with pressing forming convex surface, the upper surface of the gasbag cover lower die is equipped with the gasbag cover cavity matched with gasbag cover core, the gasbag cover cavity is equipped with adhesion forming groove, the adhesion forming groove is equipped with the pressing forming concave surface matched with pressing forming convex surface, the adhesion forming groove is equipped with first one-way air passage mould core and second one-way air passage mould core, when gasbag cover upper die is covered on gasbag cover lower die, the gasbag cover cavity is enclosed between gasbag cover core and gasbag cover type, and gasbag cover injection cavity is formed.

[0006] Preferably, the free ends of the first one-way air passage mold core and the second one-way air passage mold core abut against the press forming convex surface.

[0007] Preferably, the first one-way air passage mold core sequentially comprises an air inlet forming section, an air inlet closed ring forming section, a first air bead movable forming section and an air inlet connecting forming section, the cross-sectional area of the air inlet closed ring forming section is smaller than that of the air inlet forming section and the first air bead movable forming section, and the cross-sectional area of the air inlet connecting forming section is smaller than that of the first air bead movable forming section.

[0008] Preferably, the first air bead movable forming section is provided with a first limiting forming groove, and the first limiting forming groove is arranged close to the air inlet connecting forming section.

[0009] Preferably, the second one-way air passage mold core sequentially comprises an air outlet forming section, an air outlet closed ring forming section, a second air bead movable forming section and an air outlet connecting forming section, the cross-sectional area of the air outlet closed ring forming section is smaller than that of the air outlet forming section and the second air bead movable forming section, and the cross-sectional area of the air outlet connecting forming section is smaller than that of the second air bead movable forming section.

[0010] Preferably, the second air bead movable forming section is provided with a second limiting forming groove, and the second limiting forming groove is arranged close to the air outlet closed ring forming section.

[0011] Preferably, the lower surface of the air bag cover upper mold is provided with a plurality of air bag cover mold cores, the plurality of air bag cover mold cores are arranged in an array, the upper surface of the air bag cover lower mold is provided with a plurality of air bag cover mold cavities, the plurality of air bag cover mold cavities are arranged in an array, and the positions of the air bag cover mold cavities correspond to the positions of the air bag cover mold cores of the air bag cover upper mold.

[0012] Preferably, the upper surface of the air bag cover upper mold is provided with a glue inlet channel, the glue inlet channel is provided with a glue inlet opening, the glue inlet opening penetrates through the air bag cover upper mold, the upper surface of the air bag cover lower mold is provided with a main flow channel and a branch flow channel, the main flow channel is communicated with the corresponding air bag cover mold cavity through the branch flow channel, the position of the main flow channel corresponds to the position of the glue inlet opening, and when the air bag cover upper mold is covered on the air bag cover lower mold, the glue inlet opening is communicated with the main flow channel.

[0013] The air bag cover injection molding mold integrates one-way air passages, the air bag cover is realized injection molding, and the machine is fed, the production time is shortened by three times, and the yield is improved by more than one time, compared with the existing technology of mold pressing forming process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the structure schematic diagram of the upper die of the airbag cover and the lower die of the airbag cover of the utility model.

[0015] Figure 2 is the structure schematic diagram of the upper die of the airbag cover closing the lower die of the airbag cover of the utility model.

[0016] Figure 3 is the structure schematic diagram of the lower surface of the upper die of the airbag cover of the utility model.

[0017] Figure 4 is the structure schematic diagram of the upper surface of the upper die of the airbag cover of the utility model.

[0018] Figure 5 is the structure schematic diagram of the upper surface of the lower die of the airbag cover of the utility model.

[0019] Figure 6 is the structure schematic diagram of the first one-way air passage mold core of the utility model.

[0020] Figure 7 is the structure schematic diagram of the second one-way air passage mold core of the utility model.

[0021] Figure 8 is the structure schematic diagram of the airbag cover of the utility model.

[0022] Figure 9 is the structure schematic diagram of the airbag cover bottom part of the utility model.

[0023] Figure 10 is the structure schematic diagram of the airbag cover connecting the first air pipe, the second air pipe of the utility model.

[0024] Reference signs

[0025] 1. The upper die of the airbag cover;11. The airbag cover core;111. The adhesion forming surface;112. The recessed surface;113. The pressing forming convex surface;12. The glue inlet;13. The glue inlet;

[0026] 2. The lower die of the airbag cover;21. The airbag cover cavity;211. The adhesion forming groove;212. The pressing forming concave surface;22. The main runner;23. The branch runner;

[0027] 24. The first one-way air passage mold core;241. The air inlet forming section;242. The air inlet closed ring forming section;243. The first air bead movable forming section;2431. The first limiting forming groove;244. The air inlet connecting forming section;

[0028] 25. The second one-way air passage mold core;251. The air outlet forming section;252. The air outlet closed ring forming section;253. The second air bead movable forming section;2531. The second limiting forming groove;254. The air outlet connecting forming section;

[0029] 3. airbag cover; 31. fitment ring; 32. pressing part;

[0030] 33. first one-way air passage; 331. air inlet channel; 332. air inlet closing ring; 333. first air bead movable section; 3331. first air vent limiting column; 334. air inlet connecting section;

[0031] 34. second one-way air passage; 341. air outlet channel; 342. air outlet connecting section; 343. second air bead movable section; 3431. second air vent limiting column; 344. air outlet closing ring;

[0032] 4. first air tube; 5. second air tube; 6. first air bead; 7. second air bead. DETAILED DESCRIPTION

[0033] Please refer to Figures 1-10 The utility model relates to an airbag cover injection molding mold integrating one-way air passage, which comprises an airbag cover upper die 1 and an airbag cover lower die 2, the lower surface of the airbag cover upper die 1 is provided with an airbag cover core 11, the airbag cover core 11 comprises a fitment molding surface 111, the fitment molding surface 111 is provided with a pressing molding convex surface 113, the upper surface of the airbag cover lower die 2 is provided with an airbag cover cavity 21 matched with the airbag cover core 11, the airbag cover cavity 21 is provided with a fitment molding groove 211, the fitment molding groove 211 is provided with a pressing molding concave surface 212 matched with the pressing molding convex surface 113, wherein the airbag cover cavity 21 is provided with a first one-way air passage mold core 24 and a second one-way air passage mold core 25, when the airbag cover upper die 1 is closed on the airbag cover lower die 2, an airbag cover injection cavity is enclosed between the airbag cover core 11 and the airbag cover cavity 21, at this time, the free ends of the first one-way air passage mold core 24 and the second one-way air passage mold core 25 abut against the pressing molding convex surface 113.

[0034] In the utility model, the airbag cover 3 is formed by filling injection molding material into the airbag cover injection cavity, because the first one-way air passage mold core 24 and the second one-way air passage mold core 25 are arranged in the airbag cover injection cavity, the first one-way air passage 33 and the second one-way air passage 34 are integrated in the airbag cover 3 when the airbag cover 3 is formed.

[0035] In the utility model, the airbag cover 3 after injection molding comprises a fitment ring 31 and a pressing part 32, the pressing part 32 is formed by bulging outward on the surface of the fitment ring 31.

[0036] In the embodiment, the airbag cover 3 is made of elastic material, which has good elasticity, when the pressing part 32 is pressed down, the pressing part 32 is deformed under pressure, so that the airbag cover 3 is compressed, when the pressure on the pressing part 32 is removed, the pressing part 32 elastically returns to the original position, so that the airbag cover 3 returns to the original state.

[0037] The airbag cover 3 is provided with a first one-way air passage 33 and a second one-way air passage 34, which are respectively air inlet and air outlet passages, and can be interchanged, i.e., the first one-way air passage 33 and the second one-way air passage 34 are respectively air outlet and air inlet passages.

[0038] In this embodiment, the first one-way air passage 33 is an air inlet passage, and the two ends of the first one-way air passage 33 are respectively connected to the pressing portion 32 and the first air pipe 4, which is connected to the sole portion (not shown in the figure); the second one-way air passage 34 is an air outlet passage, and the two ends of the second one-way air passage 34 are respectively connected to the pressing portion 32 and the second air pipe 5, which is connected to the outside.

[0039] Further, the first one-way air passage 33 includes, in order from the first air pipe 4 to the pressing portion 32, an air inlet passage 331, an air inlet closing ring 332, a first air bead movable section 333, and an air inlet connecting section 334, the cross-sectional area of the air inlet closing ring 332 is smaller than that of the air inlet passage 331 and the first air bead movable section 333, and the cross-sectional area of the air inlet connecting section 334 is smaller than that of the first air bead movable section 333. The first air bead movable section 333 is provided with a first air bead 6, the diameter of the first air bead 6 is smaller than that of the first air bead movable section 333 and larger than that of the air inlet closing ring 332 and the air inlet connecting section 334, and the first air bead 6 moves in the first air bead movable section 333. The inner wall surface of the first air bead movable section 333 is provided with a first air ventilation limiting column 3331, which is recessed in the inner wall surface of the first air bead movable section 333, and the first air ventilation limiting column 3331 is arranged close to the air inlet connecting section 334 to prevent the first air bead 6 from blocking the air inlet connecting section 334.

[0040] Further, the second one-way air passage 34 includes, in order from the second air pipe 5 to the pressing portion 32, an air outlet passage 341, an air outlet connecting section 342, a second air bead movable section 343, and an air outlet closing ring 344, the cross-sectional area of the air outlet connecting section 342 is smaller than that of the air outlet passage 341 and the second air bead movable section 343, and the cross-sectional area of the air outlet closing ring 344 is smaller than that of the second air bead movable section 343. The second air bead movable section 343 is provided with a second air bead 7, the diameter of the second air bead 7 is smaller than that of the second air bead movable section 343 and larger than that of the air outlet connecting section 342 and the air outlet closing ring 344, and the second air bead 7 moves in the second air bead movable section 343. The inner wall surface of the second air bead movable section 343 is provided with a second air ventilation limiting column 3431, which is recessed in the inner wall surface of the first air bead movable section 333, and the second air ventilation limiting column 3431 is arranged close to the air outlet connecting section 342 to prevent the second air bead 7 from blocking the air outlet connecting section 342.

[0041] In this embodiment, the airbag cover 3 is fixed on the sole with airbag groove structure by adhesive, the airbag is formed in the instep part, when the instep part is pressed, the air in the instep part will flow into the first one-way air passage 33, the air pushes the first ball 6 in the first air ball movable section 333, so that the first ball 6 moves away from the air inlet and air outlet ring 332, the first ball 6 will be against the side of the first air inlet and air outlet limiting column 3331, at this time the air can smoothly flow from the air inlet and air outlet ring 332 to the air inlet and air outlet connecting section 334, and from the air inlet and air outlet connecting section 334 to the pressing part 32. When the pressing part 32 is pressed from the bulging state, the volume of the pressing part 32 becomes smaller, at this time the air in the pressing part 32 pushes the first ball 6 to be against the air inlet and air outlet ring 332, so as to close the first one-way air passage 33, at the same time the air pushes the second ball 7 away from the air outlet and air inlet ring 344, the second ball 7 will be against the side of the second air inlet and air outlet limiting column 3431, at this time the air can smoothly flow from the air outlet and air inlet ring 344 to the air outlet and air inlet connecting section 342, and from the air outlet and air inlet connecting section 342 to the outside, so as to open the second one-way air passage 34.

[0042] In the mold aspect, in this embodiment, the upper surface of the airbag cover upper mold 1 is provided with a plurality of horizontal and vertical staggered distribution of glue inlet 12, the staggered part of the glue inlet 12 is provided with glue inlet 13, the glue inlet 13 penetrates the airbag cover upper mold 1. The lower surface of the airbag cover upper mold 1 is provided with a plurality of airbag cover cores 11, a plurality of airbag cover cores 11 are arranged in a whole line.

[0043] Further, the shape of the fitting forming surface 111 of the airbag cover core 11 matches the bottom of the formed fitting ring 31. The edge of the fitting forming surface 111 is provided with a recessed surface 112 for the first one-way air passage 33 and the second one-way air passage 34. The shape of the pressing forming convex surface 113 matches the bottom of the formed pressing part 32.

[0044] In this embodiment, the upper surface of the airbag cover lower mold 2 is provided with a plurality of airbag cover cavities 21, the airbag cover cavities 21 are arranged in a whole line, the position of the airbag cover cavity 21 corresponds to the position of the airbag cover core 11 of the airbag cover upper mold 1. The upper surface of the airbag cover lower mold 2 is also provided with a plurality of main flow channels 22, the main flow channels 22 correspond to the glue inlet 13 of the airbag cover upper mold 1, the main flow channels 22 communicate with the corresponding airbag cover cavities 21 through the branch flow channels 23. When the airbag cover upper mold 1 is buckled on the airbag cover lower mold 2, the airbag cover cavities 21 and the airbag cover cores 11 form an airbag cover injection cavity, the glue inlet 13 communicates with the main flow channel 22, in this embodiment, the glue inlet 13 is filled with injection material, the injection material enters the main flow channel 22 along the glue inlet 13, and then enters the airbag cover injection cavity along the branch flow channel 23 to perform injection molding operation.

[0045] Further, the shape of the fitting forming groove 211 of the airbag cover cavity 21 matches the top of the formed fitting ring 31. The shape of the pressing forming concave 212 matches the top of the formed pressing part 32. When the airbag cover upper die 1 is buckled on the airbag cover lower die 2, a cavity of the formed pressing part 32 is enclosed between the pressing forming convex 113 and the pressing forming concave 212. The inner wall surface of the fitting forming groove 211 is provided with a first one-way air passage mold core 24 and a second one-way air passage mold core 25. The positions of the first one-way air passage mold core 24 and the second one-way air passage mold core 25 correspond to the positions of the recessed surface 112 of the airbag cover upper die 1. The free ends of the first one-way air passage mold core 24 and the second one-way air passage mold core 25 extend above the pressing forming concave 212.

[0046] Further, the first one-way air passage mold core 24 sequentially includes an air inlet forming section 241, an air inlet closed ring forming section 242, a first air bead movable forming section 243, and an air inlet connecting forming section 244. The cross-sectional area of the air inlet closed ring forming section 242 is smaller than that of the air inlet forming section 241 and the first air bead movable forming section 243. The cross-sectional area of the air inlet connecting forming section 244 is smaller than that of the first air bead movable forming section 243. The first air bead movable forming section 243 is provided with a first limiting forming groove 2431, which is arranged close to the air inlet connecting forming section 244. After injection molding, the first one-way air passage 33 is integrated in the airbag cover 3. At this time, the first ball 6 can be assembled into the first one-way air passage 33.

[0047] Further, the second one-way air passage mold core 25 sequentially includes an air outlet forming section 251, an air outlet closed ring forming section 252, a second air bead movable forming section 253, and an air outlet connecting forming section 254. The cross-sectional area of the air outlet closed ring forming section 252 is smaller than that of the air outlet forming section 251 and the second air bead movable forming section 253. The cross-sectional area of the air outlet connecting forming section 254 is smaller than that of the second air bead movable forming section 253. The second air bead movable forming section 253 is provided with a second limiting forming groove 2531, which is arranged close to the air outlet closed ring forming section 252. After injection molding, the second one-way air passage 34 is integrated in the airbag cover 3. At this time, the second ball 7 can be assembled into the second one-way air passage 34.

[0048] The utility model relates to a kind of airbag cover injection molding mould of integrated one-way air passage, by setting first one-way air passage mold core 24, second one-way air passage mold core 25 on fitting forming groove 211, when injection molding airbag cover 3, first one-way air passage 33 and second one-way air passage 34 are integrated simultaneously in airbag cover 3, to reduce the corresponding procedure of subsequent production first one-way air passage 33 and second one-way air passage 34 after injection molding, improve production efficiency.

[0049] The above embodiments only describe the preferred embodiments of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by the ordinary engineering technicians in the art without departing from the design spirit of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. An integrated one-way airway airbag cover injection molding mold characterized by: The airbag cover upper die is provided with an airbag cover core on the lower surface, the airbag cover core comprises a matching forming surface, and the matching forming surface is provided with a pressing forming convex surface; the airbag cover lower die is provided with an airbag cover cavity matched with the airbag cover core on the upper surface, the airbag cover cavity is provided with a matching forming groove, the matching forming groove is provided with a pressing forming concave surface matched with the pressing forming convex surface, and the matching forming groove is provided with a first one-way air passage die core and a second one-way air passage die core; when the airbag cover upper die is covered on the airbag cover lower die, the airbag cover cavity and the airbag cover core enclose an airbag cover injection cavity.

2. The integrated one-way airway airbag cover injection molding mold of claim 1, wherein: The free ends of the first one-way air passage die core and the second one-way air passage die core abut against the pressing forming convex surface.

3. The integrated one-way airway airbag cover injection molding mold of claim 1, wherein: The first one-way air passage die core comprises, in sequence, an air inlet forming section, an air inlet closed ring forming section, a first air bead movable forming section and an air inlet connecting forming section, the cross-sectional area of the air inlet closed ring forming section is smaller than those of the air inlet forming section and the first air bead movable forming section, and the cross-sectional area of the air inlet connecting forming section is smaller than that of the first air bead movable forming section.

4. The integrated one-way airway airbag cover injection molding mold of claim 3, wherein: The first air bead movable forming section is provided with a first limiting forming groove, and the first limiting forming groove is arranged close to the air inlet connecting forming section.

5. The integrated one-way airway airbag cover injection molding mold of claim 1, wherein: The second one-way air passage die core comprises, in sequence, an air outlet forming section, an air outlet closed ring forming section, a second air bead movable forming section and an air outlet connecting forming section, the cross-sectional area of the air outlet closed ring forming section is smaller than those of the air outlet forming section and the second air bead movable forming section, and the cross-sectional area of the air outlet connecting forming section is smaller than that of the second air bead movable forming section.

6. The integrated one-way airway airbag cover injection molding mold of claim 5, wherein: The second air bead movable forming section is provided with a second limiting forming groove, and the second limiting forming groove is arranged close to the air outlet closed ring forming section.

7. The integrated one-way airway airbag cover injection molding mold of claim 1, wherein: The lower surface of the airbag cover upper die is provided with a plurality of airbag cover cores, the plurality of airbag cover cores are arranged in a whole line, the upper surface of the airbag cover lower die is provided with a plurality of airbag cover cavities, the plurality of airbag cover cavities are arranged in a whole line, and the positions of the airbag cover cavities correspond to the positions of the airbag cover cores of the airbag cover upper die.

8. The integrated one-way airway airbag cover injection molding mold of claim 7, wherein: The upper surface of the airbag cover upper die is provided with a glue inlet channel, the glue inlet channel is provided with a glue inlet opening, and the glue inlet opening penetrates through the airbag cover upper die; the upper surface of the airbag cover lower die is provided with a main flow channel and a branch flow channel, the main flow channel is communicated with the corresponding airbag cover cavity through the branch flow channel, the position of the main flow channel corresponds to that of the glue inlet opening, and when the airbag cover upper die is covered on the airbag cover lower die, the glue inlet opening is communicated with the main flow channel.

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