Safety air bag mold with in-mold burr pressing function

Abstract

The utility model discloses a supplementary restraint system mould with the in-mould burr pressing function, which comprises a burr pressing upper mould and a lower mould, the burr pressing upper mould is arranged right above the lower mould, four corners of the outer wall of the burr pressing upper mould are all connected with an extrusion plate through connecting plates, a mould cavity is arranged at the bottom of the burr pressing upper mould, and the mould cavity is connected with the extrusion plate through connecting plates. A second mounting frame is arranged on the lower die, a first mounting frame is arranged right above the second mounting frame, and four corners of the first mounting frame are connected with four corners of the second mounting frame through connecting blocks. According to the safety air bag shell lifting device, the safety air bag shell with burrs removed can be automatically jacked up, workers can conveniently take or position the safety air bag shell, the removed burrs can be directionally discharged, the workers can conveniently collect the removed burrs in a unified mode, and the safety air bag shell lifting device is convenient to use. And workers do not need to clean the removed burrs, so that the workload of the workers is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to airbag mould technical field, concretely is a kind of airbag mould with in-mould burr pressing function. BACKGROUND

[0002] At present, for the shell of automobile airbag assembly, worry that airbag explodes when component shell cuts airbag, so the surface requirement of component shell is all burr-free, and the existing component shell processing is to produce semi-finished product by continuous die, then carry out burr pressing on engineering die with material point.

[0003] After searching, patent announcement No. CN217831516U discloses a mold in-mold burr pressing mechanism for automobile airbag, which enables the component shell to press the burr in the continuous die, reduces the cost and improves the efficiency. It comprises: a continuous die upper die; and a continuous die lower die; the continuous die upper die and the continuous die lower die are combined to form a half shearing station and a burr pressing station; the continuous die upper die of the half shearing station is provided with a lower convex half shearing punch, and the continuous die lower die of the half shearing station is provided with a half shearing recess; the half shearing recess is located directly below the half shearing punch and is arranged in position; the continuous die lower die of the burr pressing station is provided with an upper convex burr pressing block; when the continuous die upper die presses the product downward, the lower convex half shearing part is completed by the burr pressing block.

[0004] The existing airbag mould with in-mold burr pressing function removes the burr on the airbag shell on the lower die after the upper die removes the burr, and the removed burr material is on the lower die. When the lower die has a certain amount of burr material, the worker needs to manually clean the burr material on the lower die, which not only increases the workload of the worker, but also affects the work efficiency. Therefore, a kind of airbag mould with in-mold burr pressing function is designed. Utility model content

[0005] In view of the defects or deficiencies of the airbag mould, the utility model aims to provide an airbag mould with in-mold burr pressing function, which can not only automatically lift the airbag shell with removed burr, but also can direct the removed burr material, making it easy for workers to collect the removed burr material and improving work efficiency.

[0006] To achieve the above-mentioned utility model purposes, the utility model adopts the following technical solutions:

[0007] The utility model provides an airbag mould with in-mold burr pressing function, which comprises a burr pressing upper die and a lower die, the lower die is provided with a burr pressing upper die directly above, the four corners of the outer wall of the burr pressing upper die are connected with extrusion plates through connecting plates, one side of the outer wall of the extrusion plate is provided with an inclined part, and the bottom of the burr pressing upper die is provided with a die cavity.

[0008] The second mounting frame is arranged above the lower mold, a first mounting frame is arranged above the second mounting frame, the four corners of the first mounting frame and the four corners of the second mounting frame are connected through connecting blocks, L-shaped burr pressing support plates are arranged at the four corners between the bottom end of the first mounting frame and the top end of the second mounting frame, first connecting columns are arranged at the corners of the L-shaped burr pressing support plates, the other ends of the first connecting columns pass through the through holes in the outer walls of the connecting blocks and are connected with the spheres, first springs are arranged outside the outer walls of the first connecting columns and are located between the spheres and the connecting blocks, and a base is arranged on the inner side of the second mounting frame.

[0009] Preferably, a cavity is arranged between the bottom end of the first mounting frame and the top end of the second mounting frame, and the outer wall of the L-shaped burr pressing support plate and the cavity wall are in clearance fit.

[0010] Preferably, the circumferential outer wall of the first connecting column and the through hole wall on the connecting block are in clearance fit.

[0011] Preferably, the inner side walls around the second mounting frame are connected with the outer side walls around the base through connecting rods.

[0012] Preferably, the jacking mechanism is composed of an airbag shell placement plate and a rebound assembly, the rebound assembly is arranged at the four corners of the lower surface of the airbag shell placement plate, a third connecting column is arranged on the rebound assembly, the third connecting column is arranged in a mounting hole, and the mounting hole is arranged at the four corners of the surface of the base.

[0013] Preferably, an installation groove is arranged at the center of the top end of the third connecting column, a rebound plate is arranged in the installation groove, the circumferential outer wall of the rebound plate and the circumferential inner wall of the installation groove are in clearance fit, limit blocks in annular array are arranged on the circumferential outer wall of the rebound plate, the limit blocks are arranged in limit grooves, and the outer wall of the limit blocks and the groove wall of the limit grooves are in clearance fit, and the limit grooves are arranged in annular array on the circumferential inner wall of the installation groove.

[0014] Preferably, the lower surface of the rebound plate is connected with the bottom end of the installation groove through a second spring, a second connecting column is arranged on the upper surface of the rebound plate, and the other end of the second connecting column is arranged on the lower surface of the airbag shell placement plate.

[0015] Compared with the prior art, the above one or more technical solutions have the following beneficial effects:

[0016] 1. In the utility model, through a series of structure's cooperation setting, when the die removes the flash of the air bag shell, the staff places the air bag shell to the top of the air bag shell placing plate, the extrusion plate on the flash pressing upper die first contacts with the ball on the lower die before the flash pressing upper die presses the air bag shell on the air bag shell placing plate, when the extrusion plate continues to move downward, the inclined portion on the extrusion plate causes certain directional force to the ball, the ball is extruded to the first spring and drives the L-shaped flash pressing support plate to move to the inside of the second installation frame under the certain directional force, finally the inside wall of the L-shaped flash pressing support plate is attached to the outer wall of the base, at this time the flash pressing upper die removes the flash of the air bag shell on the air bag shell placing plate, and the L-shaped flash pressing support plate supports the bottom end of the flash pressing upper die, when the flash pressing upper die moves upward after the flash of the air bag shell is removed, the extrusion plate releases the extrusion to the ball, the L-shaped flash pressing support plate returns to the original position under the action of the first spring rebound, when the L-shaped flash pressing support plate returns to the original position, the flash material on the L-shaped flash pressing support plate is discharged from the discharge channel formed between the inside wall of the second installation frame and the outside wall of the base, so that the die can discharge the removed flash material in a direction, the staff can conveniently collect the removed flash material, the staff does not need to clean the removed flash material, reduces the work load of the staff, and improves the work efficiency.

[0017] 2. In the utility model, through a series of structure's cooperation setting, when the flash pressing upper die removes the flash of the air bag shell on the lower die, and the flash pressing upper die moves upward and separates from the lower die, the second spring on the rebound assembly rebounds to make the air bag shell placing plate rebound to the original position, so that the die can automatically lift the air bag shell with the removed flash, and the staff can conveniently take or position the air bag shell. ACCMASSMENT OF DRAWINGS

[0018] The drawings accompanying the specification of the utility model form a part of the utility model and serve to provide further understanding of the utility model, and the illustrative embodiments of the utility model and their descriptions serve to explain the utility model, and do not constitute an improper limitation on the utility model.

[0019] Figure 1 It is the whole three-dimensional structure schematic of the utility model Figure 1 .

[0020] Figure 2 It is the whole three-dimensional structure schematic of the utility model Figure 2 .

[0021] Figure 3 It is the structure schematic of the flash pressing upper die of the utility model.

[0022] Figure 4 is the structure diagram of the lower mould of the utility model.

[0023] Figure 5 is the sectional structure diagram of the lower mould of the utility model Figure 1 .

[0024] Figure 6 is the sectional structure diagram of the lower mould of the utility model Figure 2 .

[0025] Figure 7 is the structure diagram of the lower mould of the utility model without the jacking mechanism Figure 1 .

[0026] Figure 8 is the structure diagram of the lower mould of the utility model without the jacking mechanism Figure 2 .

[0027] Figure 9 is the structure diagram of the jacking mechanism of the utility model.

[0028] Figure 10 is the structure diagram of the rebound assembly of the utility model.

[0029] In the drawings:

[0030] 100, burr pressing upper mould; 110, mould cavity; 120, connecting plate; 130, extrusion plate; 131, inclined part;

[0031] 200, lower mould; 210, jacking mechanism; 211, safety air bag shell placing plate; 212, rebound assembly; 220, first mounting frame; 230, second mounting frame; 231, base; 2311, mounting hole; 232, connecting rod; 240, L-shaped burr pressing support plate; 241, first connecting column; 242, ball; 250, connecting block; 260, first spring;

[0032] 2121, second connecting column; 2122, rebound plate; 2123, limiting groove; 2124, second spring; 2125, third connecting column; 2126, limiting block; 2127, mounting groove. DETAILED DESCRIPTION

[0033] The utility model will be further described below in combination with the drawings and embodiments.

[0034] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless otherwise specified, all technical and scientific terms used in this paper have the same meaning as that generally understood by ordinary skilled persons in the technical field to which the utility model belongs.

[0035] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0036] As shown in Figures 1-10 An airbag mold with an in-mold deburring function, comprising a deburring upper mold 100 and a deburring lower mold 200, the deburring upper mold 100 is arranged above the deburring lower mold 200, the four corners of the outer wall of the deburring upper mold 100 are connected with the extrusion plate 130 through the connecting plate 120, and the outer wall of one side of the extrusion plate 130 is provided with an inclined part 131, when the extrusion plate 130 moves downward and contacts with the ball 242, the inclined part 131 on the extrusion plate 130 will cause a certain force to the ball 242 in a certain direction, and the bottom of the deburring upper mold 100 is provided with a mold cavity 110;

[0037] The second mounting frame 230 is arranged on the deburring lower mold 200, the first mounting frame 220 is arranged above the second mounting frame 230, the four corners of the first mounting frame 220 and the four corners of the second mounting frame 230 are connected through the connecting block 250, the four corners between the bottom end of the first mounting frame 220 and the top end of the second mounting frame 230 are provided with L-shaped deburring support plates 240, the corners of the L-shaped deburring support plates 240 are provided with first connecting columns 241, the other end of the first connecting columns 241 penetrates through the through hole on the outer wall of the connecting block 250 and is connected with the ball 242, the outer wall of the first connecting columns 241 is provided with first springs 260, and the first springs 260 are located between the ball 242 and the connecting block 250, the inner side of the second mounting frame 230 is provided with a base 231, and the base 231 is provided with a jacking mechanism 210.

[0038] The cavity is arranged between the bottom end of the first mounting frame 220 and the top end of the second mounting frame 230, and the outer wall of the L-shaped deburring support plate 240 and the cavity wall are gap-fitted, so that the movement of the L-shaped deburring support plate 240 is limited and guided.

[0039] The circumferential outer wall of the first connecting column 241 and the through hole wall of the connecting block 250 are gap-fitted, so that the movement of the first connecting column 241 is limited and guided, and the stability of the L-shaped deburring support plate 240 during movement is enhanced.

[0040] The inner side walls of the second mounting frame 230 are connected to the outer side walls of the base 231 through the connecting rods 232.

[0041] The jacking mechanism 210 is combined by the airbag housing placement plate 211 and the rebound assembly 212, the rebound assembly 212 is installed at the four corners of the lower surface of the airbag housing placement plate 211, the third connecting column 2125 is arranged on the rebound assembly 212, the third connecting column 2125 is installed in the mounting hole 2311, and the mounting hole 2311 is arranged at the four corners of the surface of the base 231.

[0042] The top center position of the third connecting column 2125 is provided with the mounting slot 2127, the rebound plate 2122 is arranged in the mounting slot 2127, the circumferential outer wall of the rebound plate 2122 is in clearance fit with the circumferential inner wall of the mounting slot 2127, the circumferential outer wall of the rebound plate 2122 is provided with the limit block 2126 arranged in a ring array, the limit block 2126 is installed in the limit slot 2123, and the outer wall of the limit block 2126 is in clearance fit with the slot wall of the limit slot 2123, the limit slot 2123 is arranged in a ring array on the circumferential inner wall of the mounting slot 2127, and the circumferential outer wall of the rebound plate 2122 is in clearance fit with the circumferential inner wall of the mounting slot 2127, the outer wall of the limit block 2126 is in clearance fit with the slot wall of the limit slot 2123, so that the movement of the rebound plate 2122 can be limited and guided.

[0043] The lower surface of the rebound plate 2122 is connected to the bottom end of the mounting slot 2127 through the second spring 2124, the upper surface of the rebound plate 2122 is provided with the second connecting column 2121, and the other end of the second connecting column 2121 is installed on the lower surface of the airbag housing placement plate 211.

[0044] Working principle: when the mold removes the burr of the airbag shell, the worker places the airbag shell at the top end of the airbag shell placing plate 211, and the extrusion plate 130 on the burr pressing upper die 100 contacts the ball 242 on the lower die 200 before the burr pressing upper die 100 presses the airbag shell on the airbag shell placing plate, when the extrusion plate 130 continues to move downward, the inclined part 131 on the extrusion plate 130 will cause a certain direction force to the ball 242, the ball 242 will be extruded by the certain direction force to cause the L-shaped burr pressing support plate 240 to move to the inner side of the second mounting frame 230, and finally the inner side wall of the L-shaped burr pressing support plate 240 is attached to the outer wall of the base 231, at this time the burr pressing upper die 100 removes the burr of the airbag shell on the airbag shell placing plate 211, and the L-shaped burr pressing support plate 240 supports the bottom end of the burr pressing upper die 100, when the burr pressing upper die 100 moves upward after the burr of the airbag shell is removed, the extrusion plate 130 releases the extrusion of the ball 242, and the L-shaped burr pressing support plate 240 returns to the initial position under the action of the rebound of the first spring 260, when the L-shaped burr pressing support plate 240 returns to the initial position, the burr material on the L-shaped burr pressing support plate 240 is discharged from the discharge channel formed between the inner side wall of the second mounting frame 230 and the outer side wall of the base 231, so that the mold can discharge the removed burr material in a certain direction, and the worker can conveniently collect the removed burr material, without the need for the worker to clean the removed burr material, thereby reducing the workload of the worker and improving the work efficiency, when the burr pressing upper die 100 finishes removing the burr of the airbag shell on the lower die 200, and the burr pressing upper die 100 moves upward and separates from the lower die 200, the second spring 2124 on the rebound assembly 212 rebounds to make the airbag shell placing plate 211 rebound to the initial position, so that the mold can automatically lift the airbag shell with removed burr, and the worker can conveniently take or position the airbag shell.

[0045] The above only describes preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An airbag mold with in-mold deburring function, comprising a deburring upper mold (100) and a deburring lower mold (200), characterized in that: The lower mold (200) is provided with a flash trimming upper mold (100) directly above it, four corners of the outer wall of the flash trimming upper mold (100) are connected with extrusion plates (130) through connecting plates (120), and an inclined part (131) is arranged on one side of the outer wall of the extrusion plate (130), and a mold cavity (110) is arranged at the bottom of the flash trimming upper mold (100). The lower mold (200) is provided with a second mounting frame (230), the first mounting frame (220) is provided directly above the second mounting frame (230), the four corners of the first mounting frame (220) and the four corners of the second mounting frame (230) are connected through connecting blocks (250), the four corners between the bottom end of the first mounting frame (220) and the top end of the second mounting frame (230) are provided with L-shaped flash trimming support plates (240), the corners of the L-shaped flash trimming support plates (240) are provided with first connecting columns (241), the other end of the first connecting columns (241) penetrates through the through holes in the outer wall of the connecting blocks (250) and is connected with spherical bodies (242), the outer wall of the first connecting columns (241) is provided with first springs (260) outside, and the first springs (260) are located between the spherical bodies (242) and the connecting blocks (250), the inner side of the second mounting frame (230) is provided with a base (231), and the base (231) is provided with a jacking mechanism (210).

2. The airbag mold having the function of pressing the edge in the mold according to claim 1, characterized in that: The bottom end of the first mounting frame (220) and the top end of the second mounting frame (230) are provided with a cavity, and the outer wall of the L-shaped flash trimming support plate (240) and the cavity wall are gap-fitted.

3. The airbag mold having the function of pressing the edge in the mold according to claim 1, characterized in that: The circumferential outer wall of the first connecting column (241) and the through hole wall on the connecting block (250) are gap-fitted.

4. The airbag mold having the function of pressing the edge in the mold according to claim 1, wherein: The inner side walls around the second mounting frame (230) are connected with the outer side walls around the base (231) through connecting rods (232).

5. The airbag mold having the function of pressing the edge in the mold according to claim 1, wherein: The jacking mechanism (210) is composed of a safety air bag shell placement plate (211) and a rebound assembly (212), and the rebound assembly (212) is installed at the four corners of the lower surface of the safety air bag shell placement plate (211), the rebound assembly (212) is provided with a third connecting column (2125), the third connecting column (2125) is installed in the mounting hole (2311), and the mounting hole (2311) is arranged at the four corners of the surface of the base (231).

6. The airbag mold having the function of pressing the edge in the mold according to claim 5, wherein: The top center position of the third connecting column (2125) is provided with a mounting groove (2127), the inside of the mounting groove (2127) is provided with a rebound plate (2122), and the circumferential outer wall of the rebound plate (2122) and the circumferential inner wall of the mounting groove (2127) are in clearance fit, the circumferential outer wall of the rebound plate (2122) is provided with a limit block (2126) in annular array, the limit block (2126) is installed in a limit groove (2123), and the outer wall of the limit block (2126) and the groove wall of the limit groove (2123) are in clearance fit, and the limit groove (2123) is annularly and arrayed on the circumferential inner wall of the mounting groove (2127).

7. The airbag mold having the function of pressing the edge in the mold according to claim 6, wherein: The lower surface of the rebound plate (2122) is connected with the bottom end of the mounting groove (2127) through a second spring (2124), the upper surface of the rebound plate (2122) is provided with a second connecting column (2121), and the other end of the second connecting column (2121) is installed on the lower surface of the airbag housing placement plate (211).

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