An automatic airbag housing insert embedding device

Abstract

The application discloses an automatic embedding device for air bag shell inserts and relates to the field of injection molding technology, which comprises a mounting base used for being connected to a mechanical hand or a linear slide, one side of the mounting base is fixedly provided with a fixed panel, the fixed panel is provided with a plurality of sheet metal fixing blocks, the sheet metal fixing blocks are provided with positioning grooves used for positioning air bag shell inserts; a movable panel is arranged between the fixed panel and the mounting base, the mounting base is provided with a telescopic driving element used for driving the movable panel to move close to or away from the fixed panel, the movable panel is provided with a jacking rod, the jacking rod is connected with the fixed panel in a penetrating mode, and the jacking rod is used for jacking the air bag shell inserts out of the positioning grooves and moving the air bag shell inserts to be embedded on a mold of an air bag shell. The application can reduce the influence of the embedding process of the inserts on the injection molding production efficiency of the air bag shell.

Description

TECHNICAL FIELD

[0001] The application relates to the field of injection molding technology, in particular to an automatic embedding device for air bag shell inserts. BACKGROUND

[0002] In a plastic structure of an automobile, a metal structural part is usually arranged to ensure the structural strength, and a pre-embedding injection molding method is usually used to manufacture the metal structural part to ensure the stable and reliable connection between the metal structural part and the plastic material.

[0003] For example, Figure 1 The mold for the air bag shell of the automobile needs to manually place the air bag shell insert into the mold and adjust the position of the air bag shell insert during the injection molding process of the air bag shell of the automobile, and the time for placing and adjusting the air bag shell insert prolongs the unit cycle time of product production and manufacturing, thereby affecting the production efficiency. SUMMARY

[0004] In order to reduce the influence of the embedding process on the injection molding production efficiency of the air bag shell of the automobile, the application provides an automatic embedding device for air bag shell inserts.

[0005] The automatic embedding device for air bag shell inserts provided by the application adopts the following technical scheme:

[0006] The automatic embedding device for air bag shell inserts comprises a mounting base, the mounting base is used to be connected to a mechanical hand or a linear slide table, one side of the mounting base is fixedly provided with a fixed panel, the fixed panel is provided with a plurality of sheet metal fixing blocks, the sheet metal fixing blocks are provided with positioning grooves for positioning air bag shell inserts; an activity panel is arranged between the fixed panel and the mounting base, the mounting base is provided with a telescopic driving element, the telescopic driving element is used to drive the activity panel to approach or move away from the fixed panel, the activity panel is provided with a top rod, the top rod is connected with the fixed panel in a penetrating mode, and the top rod is used to push the air bag shell insert out of the positioning groove and move the air bag shell insert into a mold for embedding the air bag shell.

[0007] By adopting the technical scheme, the automatic embedding device is arranged outside the mold of the air bag shell during use, the air bag shell insert is installed in the positioning groove of each sheet metal fixing block during use, then the automatic embedding device is moved to the opening and closing area of the mold, then the telescopic driving member drives the movable panel to move close to the fixed panel, so that the ejector rod ejects the air bag shell insert from the positioning groove and moves the mold embedding the air bag shell, then the telescopic driving member is reset, and the automatic embedding device exits the opening and closing area of the mold. The process of installing the air bag shell insert to the automatic embedding device can be performed during the injection molding of the mold of the air bag shell, and the installation and positioning adjustment time of the air bag shell insert does not need to be performed after the mold of the air bag shell is opened, which is beneficial to improve the forming efficiency of the air bag shell. On the other hand, the limbs of the worker do not need to touch the surface of the injection mold, which is beneficial to reduce the problem of scalding and is beneficial to ensure safety production.

[0008] Optionally, a buffer spring is connected between the ejector rod and the movable panel.

[0009] By adopting the technical scheme, the buffer spring is connected between the ejector rod and the movable panel, and when the ejector rod pushes the air bag shell insert, the buffer spring can play a buffering role to protect the air bag shell insert. On the other hand, under the buffering action of the buffer spring, the ejector rod pushes the air bag shell insert to embed in the mold of the air bag shell, and the force of the ejector rod on the air bag shell insert gradually increases, which is beneficial to make the state of the air bag shell insert embedded in the mold of the air bag shell more stable and reliable.

[0010] Optionally, the ejector rod is arranged in one-to-one correspondence with the sheet metal fixing block, the sheet metal fixing block is provided with a through hole matched with the ejector rod, and the through hole is communicated with the positioning groove.

[0011] By adopting the technical scheme, the through hole of the sheet metal fixing block is connected with the ejector rod, the ejector rod is guided by the through hole, and the reciprocating movement of the ejector rod is relatively stable and reliable. Moreover, the through hole is communicated with the ejector rod, so that the contact point between the ejector rod and the air bag shell insert is located in the contact range between the air bag shell and the positioning groove, and the process of pushing the air bag shell insert by the ejector rod is relatively labor-saving.

[0012] Optionally, the fixed panel is made of an aluminum alloy material, the sheet metal fixing blocks are jointly connected with a magnetic conducting plate, the magnetic conducting plate is provided with an electromagnet, and the magnetic conducting plate and the sheet metal fixing blocks are made of soft magnetic materials.

[0013] By adopting the technical scheme, the magnetic conductive plate is connected with the sheet metal fixing block, when the electromagnet is powered, the magnetic conductive plate and the sheet metal fixing block are magnetized, can produce magnetic attraction to the air bag shell insert with ferromagnetic property, is favorable to make the installation state of the air bag shell insert more stable, reduces the situation that the air bag shell insert falls during moving with the automatic burying device. In the case of setting the electromagnet, the air bag shell insert does not need to be tightly matched with the positioning groove through the elastic deformation force, is favorable to reduce the deformation damage of the insert.

[0014] Optionally, the fixed panel is provided with a boat-shaped switch near one side of the movable panel, the boat-shaped switch is used for controlling the power-on state of the electromagnet; the fixed panel is provided with a spring sheet, the spring sheet is used for forcing the boat-shaped switch to keep an open state, and the movable panel is provided with a trigger rod, the trigger rod is used for triggering the closed state of the boat-shaped switch.

[0015] By adopting the technical scheme, the spring sheet keeps the boat-shaped switch in an open state, and the electromagnet keeps a working state, and as the movable panel moves close to the fixed panel, the trigger rod pushes the boat-shaped switch to overcome the elastic force of the spring sheet and reversely tilt up, so that the electromagnet is powered off and loses the magnetic attraction, and the ejector rod is easy to push the air bag shell insert out of the positioning groove.

[0016] Optionally, the trigger rod comprises a sleeve and a rod body inserted into the sleeve, a compression spring is arranged in the sleeve, and the compression spring is used for forcing the rod body to extend out of the sleeve.

[0017] By adopting the technical scheme, the rod body of the trigger rod can be telescopic, so that the trigger rod is more comfortable in the action of pushing the boat-shaped switch.

[0018] Optionally, four guide rods are connected between the mounting base and the fixed panel, the movable panel is detachably provided with four sliding sleeves matched with the guide rods, the movable panel is provided with mounting holes for mounting the sliding sleeves, the four sliding sleeves are one-to-one correspondingly sleeved on the four guide rods, one side of the mounting hole is provided with an avoiding notch, the width of the avoiding notch is greater than the diameter of the guide rod and less than the outer diameter of the sliding sleeve, and the avoiding notch penetrates through the edge side of the movable panel away from the center.

[0019] By adopting the technical scheme, the movable panel is connected with the guide rods in a sliding mode through the sliding sleeve, so that the reciprocating movement of the movable panel is smoother. The sliding sleeve is detachably connected with the movable panel, when the sliding sleeve is detached from the movable panel, the sliding sleeve is slid along the axial direction to leave the mounting hole, then the movable panel is tilted until the guide rods leave the mounting hole from the avoiding gap, so that the movable panel can be taken out from between the four guide rods in a tilted state, the operation space between the fixed panel and the mounting base is increased, so as to facilitate the maintenance and replacement of the buffer spring. Moreover, when the telescopic driving member is driven to fail, the movable panel and the telescopic driving member can be detached and separated, so that the telescopic driving member can be maintained without disassembling the fixed panel.

[0020] Optionally, the mounting base is provided with a plurality of guide members, the guide members are guide columns or guide sleeves, and the guide structure is used to cooperate with the guide structure of the mold of the airbag housing.

[0021] By adopting the technical scheme, the guide members can cooperate with the guide columns or guide sleeves of the mold of the airbag housing, so that the relative position between the airbag housing insert automatic embedding device and the mold of the airbag housing is positioned and corrected, and the airbag housing insert can be accurately moved to the mold of the airbag housing.

[0022] Optionally, the top end of the top rod is coaxially connected with an adjusting screw, and the adjusting screw is sleeved with a plurality of length adjusting washers.

[0023] By adopting the technical scheme, the adjusting screw and the length adjusting washers can adjust the actual length of the top rod to adapt to different contact points of different airbag housing inserts. When the adjusting screw is used to push the insert of the airbag housing, the adjusting screw is replaced more conveniently when it is worn out.

[0024] Optionally, the top rod is provided with a threading hole, and the top rods are collectively threaded with a silk thread through the threading hole, and the two ends of the silk thread are connected through a tension spring.

[0025] By adopting the technical scheme, the top rods are connected in series through the silk thread, so that the top rods can be driven by each other through the silk thread, and the pushing forces of the top rods are kept relatively balanced. The two ends of the silk thread are connected through the tension spring, which is beneficial to keep the silk thread taut and reduce the risk of breaking due to excessive tension.

[0026] In summary, the present application has at least one of the following beneficial technical effects:

[0027] 1. Through the air bag shell insert automatic embedding device, the air bag shell insert installation to the automatic embedding device process can be carried out in the air bag shell mold injection process, for the installation and positioning adjustment time of air bag shell insert does not need to carry on after the air bag shell mold opening, is favorable to improve the forming efficiency of air bag shell. On the other hand, the staff's limbs do not need to touch the surface of the air bag shell mold, which is helpful to reduce the problem of scalding and other problems, and is helpful to ensure safety production.

[0028] 2. The magnetic plate is connected with the sheet metal fixed block, when the electromagnet is electrified, the magnetic plate and the sheet metal fixed block are magnetized, which can produce magnetic attraction to the air bag shell insert with ferromagnetic property, which is helpful to make the installation state of the air bag shell insert more stable, and reduce the falling of the air bag shell insert during the movement of the automatic embedding device. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is the installation state of the insert on the mold of the air bag shell.

[0030] Figure 2 is the structure schematic diagram of the air bag shell insert automatic embedding device of embodiment 1.

[0031] Figure 3 is the structure schematic diagram of the air bag shell insert automatic embedding device of another view of embodiment 1.

[0032] Figure 4 is the structure schematic diagram of the air bag shell insert automatic embedding device of embodiment 2.

[0033] Figure 5 is the structure schematic diagram of the movable panel of embodiment 3.

[0034] Figure 6 is the state schematic diagram of the movable panel in the disassembly process of embodiment 3.

[0035] Figure 7 is the structure schematic diagram of the top rod in embodiment 3.

[0036] Figure 8 is the schematic diagram of the wire connection state in embodiment 3.

[0037] BRIEF DESCRIPTION OF DRAWINGS:

[0038] 1, mounting base; 2, fixed panel; 3, sheet metal fixing block; 31, positioning groove; 32, through hole; 4, movable panel; 41, mounting hole; 42, avoiding gap; 5, telescopic driving part; 6, top rod; 61, adjusting screw; 62, length adjusting washer; 63, threading hole; 64, silk thread; 65, tension spring; 7, guide rod; 71, sliding sleeve; 8, buffer spring; 9, guide; 10, magnetic guide plate; 20, boat-shaped switch; 201, spring sheet; 202, trigger rod; 2021, sleeve; 2022, rod body; 30, mold; 40, insert; 50, electromagnet. DETAILED DESCRIPTION

[0039] The following will be described in detail with reference to the accompanying drawings. Figures 2-8 The application is further described in detail.

[0040] Embodiment 1

[0041] The embodiment of the application discloses an air bag shell insert automatic embedding device. Referring to Figure 2 and Figure 3 The air bag shell insert automatic embedding device comprises a mounting base 1 used for being connected to a motion mechanism such as a mechanical hand, a linear slide, a cylinder or the like. The mounting base 1 is fixedly provided with a fixed panel 2 on one side. The fixed panel 2 is provided with a plurality of sheet metal fixing blocks 3. The sheet metal fixing blocks 3 are provided with positioning grooves 31 used for positioning air bag shell inserts 40. The fixed panel 2 and the mounting base 1 are provided with a movable panel 4. The mounting base 1 is provided with a telescopic driving part 5 used for driving the movable panel 4 to be close to or away from the fixed panel 2. The movable panel 4 is provided with top rods 6. The top rods 6 are connected with the fixed panel 2 in penetration. The top rods 6 are correspondingly arranged with the sheet metal fixing blocks 3. The sheet metal fixing blocks 3 are provided with through holes 32 matched with the top rods 6. The through holes 32 are communicated with the positioning grooves 31.

[0042] In the embodiment, the air bag shell insert automatic embedding device is provided in two sets. The mounting bases 1 of the two sets of automatic embedding devices are connected as a whole, that is, the two sets of automatic embedding devices share one mounting base 1.

[0043] The air bag shell insert 40 is installed in the positioning groove 31 of the sheet metal fixing block 3. The telescopic driving part 5 drives the top rod 6 to move, so that the top rod 6 can lift the air bag shell insert 40 out of the positioning groove 31 and move to embed the mold of the air bag shell. In the embodiment, the telescopic driving part 5 is a cylinder. In other embodiments, it can be replaced by an oil cylinder or an electric push rod.

[0044] The four guide rods 7 are connected between the mounting base 1 and the fixed panel 2, and the four guide rods 7 are distributed in a quadrilateral shape. The movable panel 4 is detachably provided with four sliding sleeves 71 adapted to the guide rods 7. The movable panel 4 is provided with mounting holes 41 for mounting the sliding sleeves 71. The four sliding sleeves 71 are correspondingly sleeved on the four guide rods 7.

[0045] The buffer spring 8 is connected between the top rod 6 and the movable panel 4. The buffer spring 8 can be a coil spring or a gas spring. In this embodiment, the buffer spring 8 is a gas spring, and the output shaft of the gas spring extends outwardly and directly serves as the top rod 6.

[0046] The mounting base 1 is provided with two guide members 9, which are guide columns or guide sleeves 2021. The guide structure is used to cooperate with the guide structure of the mold of the airbag shell insert 40. In this embodiment, the guide member 9 is a guide column, which can cooperate with the guide sleeve of the mold 30 of the airbag shell. The relative approaching action between the guide column and the mold 30 of the airbag shell can be performed by using a mechanical hand to drive the airbag shell insert automatic embedding device, or by using the opening and closing driving equipment of the mold 30 of the airbag shell.

[0047] The implementation principle of the airbag shell insert automatic embedding device in this embodiment is as follows: the automatic embedding device is arranged outside the mold 30 of the airbag shell when in use. During use, the airbag shell insert 40 is installed in the positioning groove 31 of each sheet metal fixed block 3, and then the automatic embedding device is moved to the opening and closing area of the mold 30 by the movement mechanism. Then the telescopic driving member 5 drives the movable panel 4 to move close to the fixed panel 2, so that the top rod 6 pushes the airbag shell insert 40 out of the positioning groove 31 and moves to embed in the mold 30 of the airbag shell. Subsequently, the telescopic driving member 5 is reset, and the automatic embedding device exits the opening and closing area of the mold 30. The installation of the airbag shell insert 40 to the automatic embedding device can be performed during the injection molding process of the mold 30 of the airbag shell. The installation and positioning adjustment time of the airbag shell insert 40 does not need to be performed after the mold 30 of the airbag shell is opened, which is beneficial to improve the forming efficiency of the airbag shell. On the other hand, the limbs of the workers do not need to touch the surface of the injection mold 30, which is beneficial to reduce the problem of scalding and is beneficial to ensure safety production.

[0048] Embodiment 2

[0049] Reference Figure 4 The difference between this embodiment and embodiment 1 is that the fixed panel 2 in this embodiment is made of an aluminum alloy material or a stainless steel material without ferromagnetic properties. The sheet metal fixed blocks 3 are jointly connected with a magnetic guide plate 10. The magnetic guide plate 10 is provided with an electromagnet 50. The magnetic guide plate 10 and the sheet metal fixed blocks 3 are made of soft magnetic materials.

[0050] The fixed panel 2 is provided with a boat-shaped switch 20 near the side close to the movable panel 4, the boat-shaped switch 20 is used for controlling the energization state of the electromagnet 50; the fixed panel 2 is provided with a spring sheet 201, the spring sheet 201 is used for forcing the boat-shaped switch 20 to keep an open state, the movable panel 4 is provided with a trigger rod 202, the trigger rod 202 is used for triggering the closed state of the boat-shaped switch 20. The trigger rod 202 comprises a sleeve 2021 and a rod body 2022 inserted in the sleeve 2021, the sleeve 2021 is internally provided with a compression spring, the compression spring is used for forcing the rod body 2022 to extend out of the sleeve 2021.

[0051] The implementation principle of the embodiment is that the spring sheet 201 keeps the boat-shaped switch 20 in an open state, so that the electromagnet 50 keeps a working state, the magnetic conductive plate 10 and the metal fixed block 3 are magnetized, and can produce magnetic attraction to the air bag shell insert 40 with ferromagnetism, so as to make the installation state of the air bag shell insert 40 more stable and reduce the falling of the air bag shell insert 40 during the movement of the automatic burying device. With the movement of the movable panel 4 close to the fixed panel 2, the trigger rod 202 pushes the boat-shaped switch 20 to reverse and rise against the elastic force of the spring sheet 201, so that the electromagnet 50 loses the magnetic attraction after being powered off, and the ejector rod 6 is easy to push the air bag shell insert 40 out of the positioning groove 31.

[0052] Embodiment 3

[0053] Referring to Figure 5 and Figure 6 , the difference between the embodiment and the embodiment 1 is that the installation hole 41 is provided with a avoiding gap 42 on one side, the width of the avoiding gap 42 is greater than the diameter of the guide rod 7 and less than the outer diameter of the sliding sleeve 71, and the avoiding gap 42 penetrates through the edge side of the movable panel 4 away from the center.

[0054] The sliding sleeve 71 is detachably connected with the movable panel 4, when the sliding sleeve 71 is detached from the movable panel 4, the sliding sleeve 71 is axially slid away from the installation hole 41, then the movable panel 4 is tilted until the guide rod 7 is separated from the installation hole 41 through the avoiding gap 42, so that the movable panel 4 can be taken out from between the four guide rods 7 in a tilted state, so as to facilitate the maintenance of the buffer spring 8 or the telescopic driving member 5.

[0055] Referring to Figure 8 , the top end of the ejector rod 6 is coaxially connected with an adjusting screw 61, and the adjusting screw 61 is sleeved with a plurality of length adjusting shims 62. The adjusting screw 61 and the length adjusting shims 62 can adjust the actual length of the ejector rod 6 to adapt to different contact points of different air bag shell inserts 40, and the adjusting screw 61 is convenient to replace when it is worn out during use of the ejector rod 6.

[0056] Referring to Figure 8The top rod 6 is provided with a threading hole 63, and each top rod 6 is commonly provided with a silk thread 64 through the threading hole 63. The two ends of the silk thread 64 are connected through a tension spring 65.

[0057] In the embodiment, each top rod 6 is connected in series through the silk thread 64, so that each top rod 6 can drive each other through the silk thread 64, and the thrust force of each top rod 6 is kept relatively balanced. The two ends of the silk thread 64 are connected through the tension spring 65, which is beneficial to keep the silk thread 64 taut and reduce the risk of breaking due to excessive tension.

[0058] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application. Any equivalent changes made on the basis of the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An automatic embedding device for airbag shell inserts, characterized in that: The system includes a mounting base (1) for connecting to a robotic arm or a linear slide. A fixed panel (2) is fixedly mounted on one side of the mounting base (1). The fixed panel (2) has several sheet metal fixing blocks (3), and each sheet metal fixing block (3) has a positioning groove (31) for positioning the airbag housing insert (40). A movable panel (4) is provided between the fixed panel (2) and the mounting base (1). The mounting base (1) has a telescopic drive (5) for driving the movable panel (4) to move closer to or away from the fixed panel (2). The movable panel (4) has a push rod (6) that passes through and connects to the fixed panel (2). The push rod (6) is used to hold the airbag housing insert (40) in place. The body insert (40) pushes out of the positioning groove (31) and moves into the mold of the airbag shell; four guide rods (7) are connected between the mounting base (1) and the fixed panel (2); the movable panel (4) is detachably provided with four sliding sleeves (71) that are adapted to the guide rods (7); the movable panel (4) is provided with mounting holes (41) for mounting the sliding sleeves (71); the four sliding sleeves (71) are fitted onto the four guide rods (7) one by one; one side of the mounting hole (41) is provided with a clearance notch (42); the width of the clearance notch (42) is greater than the diameter of the guide rod (7) and smaller than the outer diameter of the sliding sleeve (71); the clearance notch (42) penetrates the edge side of the movable panel (4) away from the center; The fixed panel (2) is made of aluminum alloy material, and each of the sheet metal fixing blocks (3) is connected by a magnetic plate (10). The magnetic plate (10) is equipped with an electromagnet (50). The magnetic plate (10) and the sheet metal fixing blocks (3) are both made of soft magnetic material. The fixed panel (2) is provided with a rocker switch (20) on the side near the movable panel (4). The rocker switch (20) is used to control the energization state of the electromagnet (50). The fixed panel (2) is provided with a spring plate (201). The spring plate (201) is used to force the rocker switch (20) to remain in the open state. The movable panel (4) is provided with a trigger rod (202). The trigger rod (202) is used to trigger the closed state of the rocker switch (20). The trigger rod (202) includes a sleeve (2021) and a rod body (2022) inserted into the sleeve (2021). A compression spring (2023) is provided inside the sleeve (2021), and the compression spring (2023) is used to force the rod body (2022) to extend out of the sleeve (2021).

2. The automatic embedding device for an airbag shell insert according to claim 1, characterized in that: A buffer spring (8) is connected between the top rod (6) and the movable panel (4).

3. The automatic embedding device for an airbag shell insert according to claim 1, characterized in that: The top rod (6) is provided in a one-to-one correspondence with the sheet metal fixing block (3). The sheet metal fixing block (3) is provided with a through hole (32) adapted to the top rod (6). The through hole (32) is connected to the positioning groove (31).

4. The automatic embedding device for an airbag shell insert according to claim 1, characterized in that: The mounting base (1) is provided with several guide members (9), which are guide posts or guide sleeves. The guide members (9) are used to cooperate with the guiding structure of the mold of the airbag shell insert (40).

5. The automatic embedding device for an airbag shell insert according to claim 1, characterized in that: The top end of the top rod (6) is coaxially connected to an adjusting screw (61), and the adjusting screw (61) is fitted with several length adjusting shims (62).

6. The automatic embedding device for an airbag shell insert according to claim 1, characterized in that: The top rod (6) is provided with a thread hole (63), and each top rod (6) is provided with a thread (64) through the thread hole (63). The two ends of the thread (64) are connected by a tension spring (65).

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