SAB air bag folding device

Abstract

The utility model provides an SAB air bag folding device which is characterized in that a clamping mechanism is arranged in a mounting space and used for clamping an air bag to be folded and moving the air bag to be folded to a feeding station or a folding station; the left inserting and folding assembly comprises a plurality of forward inserting pieces capable of moving in the first direction, the right inserting and folding assembly comprises a plurality of reverse inserting pieces capable of moving opposite to the forward inserting pieces, the reverse inserting pieces and the forward inserting pieces are arranged in a staggered mode in the second direction, and the clamping mechanism is arranged on the side, away from the feeding station, of the folding station in the third direction. The clamping mechanism is in mechanical linkage with the driving units of the forward insertion sheet and the reverse insertion sheet; and when the forward insertion piece and the reverse insertion piece finish folding action, the clamping mechanism clamps the folding part, and after the clamping mechanism clamps the folding part, the driving unit triggers the forward insertion piece and the reverse insertion piece to be withdrawn in sequence. According to the device, the clamping mechanism is triggered to conduct pressing after folding is completed, the pressing state is kept in the inserting piece retracting process, dynamic pressing and folding cooperation is achieved, an air bag is effectively prevented from rebounding, and it is ensured that the folded part is fixed.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of automobile airbags, and particularly relates to a SAB airbag folding device. BACKGROUND

[0002] In the technical field of automobile airbags, the folding mode of a SAB (seat airbag) airbag directly affects the unfolding effect and the adaptability to the vehicle body. In the prior art, a SAB airbag folding device is provided in the utility model with publication number CN 222388127 U, wherein the positive folding plate and the reverse folding plate in the left and right plug folding pieces are staggered, so that Z-shaped folding of the airbag is realized. However, the scheme has the following defects: after folding, the airbag shape is maintained only by the plug plate reset, the folding is not fixed enough, there is no synchronous compression measure when the plug plate is retracted, the airbag is prone to displacement or looseness, the folding part is prone to rebound, and the folding precision is reduced. UTILITY MODEL CONTENT

[0003] In view of the above defects or deficiencies in the prior art, the application aims to provide a SAB airbag folding device to realize dynamic compression and folding coordination and improve the folding precision. The device comprises:

[0004] a base, wherein a rack is arranged on the base, and an installation space is formed between the base and the rack;

[0005] a clamping mechanism arranged in the installation space, the clamping mechanism being used for clamping a to-be-folded airbag and moving the to-be-folded airbag to an upper piece station or a folding station;

[0006] a folding mechanism, wherein the folding mechanism comprises a left plug folding assembly and a right plug folding assembly arranged in the installation space and distributed on both sides of the folding station along a first direction, the left plug folding assembly comprises a plurality of positive plug pieces capable of moving along the first direction, the right plug folding assembly comprises a plurality of reverse plug pieces capable of moving towards the positive plug pieces, the reverse plug pieces and the positive plug pieces are arranged in a staggered manner along a second direction, and the second direction is perpendicular to the first direction;

[0007] a clamping mechanism arranged on a side of the folding station away from the upper piece station along a third direction, and the third direction is perpendicular to the first direction and the second direction respectively;

[0008] The clamping mechanism is arranged on the side of the third direction away from the upper piece working position, the third direction is perpendicular to the first direction and the second direction respectively; the clamping mechanism is mechanically linked with the driving unit of the positive insert piece and the reverse insert piece; when the positive insert piece and the reverse insert piece complete the folding action, the clamping mechanism clamps the folding part, and after the clamping mechanism clamps the folding part, the driving unit triggers the positive insert piece and the reverse insert piece to be withdrawn in turn.

[0009] According to the technical scheme provided by the embodiment of the application, the clamping mechanism includes two compression gauges arranged symmetrically along the second direction, after the positive insert piece and the reverse insert piece complete the folding action in the space between the two compression gauges, the upper compression gauge abuts against the uppermost positive insert piece or reverse insert piece, and the lower compression gauge abuts against the lowermost positive insert piece or reverse insert piece.

[0010] According to the technical scheme provided by the embodiment of the application, the driving unit triggers the positive insert piece and the reverse insert piece to be withdrawn in the second direction from top to bottom in turn, after each layer of single insert piece is withdrawn, the upper compression gauge abuts against the next layer of single insert piece, and the lower compression gauge abuts against the lowermost single insert piece, so as to compress the folding part of the air bag to be folded layer by layer.

[0011] According to the technical scheme provided by the embodiment of the application, the clamping mechanism includes a linkage control unit composed of a stroke sensor, a first driving assembly and a clamping driving assembly; the stroke sensor is arranged at the end of the movement path of the positive insert piece and the reverse insert piece, and is used for detecting the withdrawal state of the single insert piece; the first driving assembly and the clamping driving assembly are connected with the compression gauges respectively, and according to the trigger signal of the stroke sensor, the first driving assembly drives the compression gauges to be pressed downward along the second direction layer by layer, and the clamping driving assembly drives the two compression gauges to move towards each other according to the layer-by-layer compression end signal to compress; wherein each compression action of the compression gauge corresponds to the single insert piece withdrawal completion signal one by one.

[0012] According to the technical scheme provided by the embodiment of the application, two mounting tables are arranged in the mounting space, the mounting tables are slidably connected with mounting boxes, the left mounting box is used for mounting the left insert folding assembly, the right mounting box is used for mounting the right insert folding assembly, at least one side of the mounting box is provided with a second driving assembly for driving the sliding thereof, and the sliding direction of the mounting box is the first direction.

[0013] According to the technical scheme provided in the embodiment of the present application, the top of the mounting box is provided with a righting mechanism near the folding station side, the righting mechanism comprises a righting plate and a third driving assembly for driving the righting plate to move along the first direction.

[0014] According to the technical scheme provided in the embodiment of the present application, the clamping mechanism comprises a jig clamping piece arranged on the base and a tail clamping piece arranged on the top of the rack, and the jig clamping piece and the tail clamping piece move synchronously.

[0015] According to the technical scheme provided in the embodiment of the present application, the clamping mechanism further comprises a fourth driving assembly, the fourth driving assembly is used for driving the jig clamping piece and / or the tail clamping piece to move along the third direction, so as to switch the to-be-folded air bag between the upper piece station and the folding station.

[0016] According to the technical scheme provided in the embodiment of the present application, the clamping mechanism further comprises a fifth driving assembly, the fifth driving assembly is used for driving the jig clamping piece and / or the tail clamping piece to rotate at the upper piece station, and the direction of the rotation axis is the second direction.

[0017] According to the technical scheme provided in the embodiment of the present application, the mounting space is provided with a photographing assembly on the rack, the photographing assembly is used for collecting an air bag image of the to-be-folded air bag located at the upper piece station, and the air bag image is used for air bag category identification when the upper piece is placed.

[0018] Compared with the prior art, the SAB air bag folding device provided in the present application has the beneficial effects that: the right inserting piece and the reverse inserting piece of the left inserting folding assembly and the right inserting folding assembly in the folding mechanism are staggered along the second direction, after Z-type folding is completed, the clamping mechanism is compressed to the folding part along the third direction (perpendicular to the first direction and the second direction), after the compression is completed, the right inserting piece and the reverse inserting piece are withdrawn in turn, the device triggers the clamping mechanism to compress after folding is completed, and maintains the compression state during the withdrawing of the inserting piece, realizes dynamic compression and folding cooperation, effectively prevents air bag rebound, and ensures the fixation of the folding part. At the same time, through the action timing sequence of "compressing first and then withdrawing the inserting piece", the air bag displacement during the withdrawing of the inserting piece is avoided, the close fit between the folding layers is ensured, the forming stability and folding precision are improved, and the reliability and consistency of the air bag unfolding are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The overall structure schematic diagram of the SAB air bag folding device provided in the embodiment of the present application is shown in the figure.

[0020] Figure 2A structure schematic diagram of a side view of the SAB air bag folding device provided by the embodiment of the present application is shown in the figure.

[0021] Figure 3 A structure schematic diagram of a front view of the SAB air bag folding device provided by the embodiment of the present application is shown in the figure.

[0022] Figure 4 A structure schematic diagram of the folding mechanism provided by the embodiment of the present application is shown in the figure.

[0023] The text annotations in the figure represent:

[0024] 1, base; 2, rack; 3, folding mechanism; 31, left folding assembly; 32, right folding assembly; 311, positive folding piece; 321, negative folding piece; 33, linear slide rail; 34, second driving assembly; 4, clamping mechanism; 41, jig clamping piece; 42, tail clamping piece; 5, righting mechanism; 51, righting plate; 6, clamping mechanism; 61, pressing ruler; 7, mounting table; 8, mounting box. DETAILED DESCRIPTION

[0025] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related application, and not to limit the application. In addition, it should be noted that only the parts related to the application are shown in the drawings for ease of description.

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0027] Embodiment 1

[0028] As mentioned in the background, in view of the problems in the prior art, the present application proposes a SAB air bag folding device, as shown in Figure 1 、 2 , 3, comprising:

[0029] a base 1, the base 1 is provided with a rack 2, and a mounting space is formed between the base 1 and the rack 2;

[0030] a clamping mechanism 4, the clamping mechanism 4 is arranged in the mounting space, and the clamping mechanism 4 is used for clamping a to-be-folded air bag and moving the to-be-folded air bag to a feeding station or a folding station;

[0031] The folding mechanism 3 includes a left insertion folding component 31 and a right insertion folding component 32 disposed in the installation space and distributed on both sides of the folding station along a first direction. The left insertion folding component 31 includes a plurality of positive inserts 311 that can move along the first direction. The right insertion folding component 32 includes a plurality of negative inserts 321 that can move opposite to the positive inserts 311. The negative inserts 321 and the positive inserts 311 are staggered along a second direction, which is perpendicular to the first direction.

[0032] A clamping mechanism 6 is provided on the side of the folding station away from the loading station along a third direction, which is perpendicular to the first direction and the second direction, respectively. The clamping mechanism 6 is mechanically linked to the drive units of the positive insert 311 and the negative insert 321. When the positive insert 311 and the negative insert 321 complete the folding action, the clamping mechanism 6 clamps the folded part, and after the clamping mechanism 6 clamps the folded part, the drive unit triggers the positive insert 311 and the negative insert 321 to retract sequentially.

[0033] Specifically, the first direction is Figure 3 The horizontal direction, parallel to the length of the base 1, is the moving direction of the left folding assembly 31 and the right folding assembly 32; the second direction is... Figure 3 The height direction of the device is the staggered direction of the positive insert 311 and the negative insert 321; the third direction is... Figure 3 The width direction of the device is the direction of the line connecting the loading station and the folding station. The folding station is located in the central area of ​​the base 1, the loading station is located at the front end of the base 1, and the clamping mechanism 6 is located on the rear side of the folding station, without spatial overlap with the loading station.

[0034] This embodiment uses the clamping mechanism 4 to fix and move the air bag, and utilizes the alternating extension of the positive insert 311 and the negative insert 321 of the folding mechanism 3 to fold the air bag. Finally, the clamping mechanism 6 presses the folded part to prevent the air bag from springing back, thus achieving effective folding of the air bag. This enables orderly folding of the air bag, improves folding efficiency and quality, and makes the folded air bag more regular in shape, facilitating subsequent use and installation. It solves the problem of non-standard air bag folding that makes it difficult to meet installation requirements.

[0035] In a preferred embodiment, the clamping mechanism 6 includes two clamping rulers 61 symmetrically arranged along the second direction. After the positive insert 311 and the negative insert 321 complete the folding action in the space between the two clamping rulers 61, the upper clamping ruler 61 abuts against the uppermost positive insert 311 or the negative insert 321, and the lower clamping ruler 61 abuts against the lowermost positive insert 311 or the negative insert 321.

[0036] In a preferred embodiment, the driving unit triggers the positive tab 311 and the negative tab 321 to be retracted one by one from top to bottom along the second direction, and after each layer of single tab is retracted, the upper pressing ruler 61 abuts against the next layer of single tab of the retracted single tab, and the lower pressing ruler 61 abuts against the lowermost layer of single tab, so as to press the folding part of the to-be-folded air bag layer by layer.

[0037] In a preferred embodiment, the clamping mechanism 6 comprises a linkage control unit, which is composed of a stroke sensor, a first driving assembly and a clamping driving assembly; the stroke sensor is arranged at the end of the movement path of the positive tab 311 and the negative tab 321, and is used to detect the retraction state of the single tab; the first driving assembly and the clamping driving assembly are respectively connected with the pressing rulers 61, and according to the trigger signal of the stroke sensor, the first driving assembly drives the pressing rulers 61 to press downward along the second direction layer by layer, and the clamping driving assembly drives the two pressing rulers 61 to move towards each other according to the layer-by-layer downward pressing end signal to perform pressing; wherein each downward pressing action of the pressing ruler 61 corresponds to the retraction completion signal of the single tab.

[0038] Specifically, the pressing rulers 61 are arranged in the installation space in a lifting manner, the stroke range of the lifting guide is determined by the size of the to-be-folded air bag and the folding area, and the first driving assembly is an assembly for driving the pressing rulers 61 to lift along the lifting guide; before the folding action is performed, the pressing rulers 61 are located between the left tab folding assembly 31 and the right tab folding assembly 32 (it should be noted that the distance between the two pressing rulers 61 at this time has been set to accommodate the thickness of the folded part of the to-be-folded air bag after the folding action is completed, and each single tab extending out is also between the two pressing rulers 61); when the to-be-folded air bag is moved to the folding station, the pressing rulers 61 are located on the side (optionally, the right side) of the to-be-folded air bag, at this time, the positive tab 311 and the negative tab 321 are inserted into the two pressing rulers 61 one by one, so that the to-be-folded part of the to-be-folded air bag forms a Z-shaped folding, and the folded part after Z-shaped folding is clamped into the two pressing rulers 61.

[0039] Specifically, the folding stage: the positive and negative insertion pieces 311 and 321 of the left and right insertion folding assemblies 31 and 32 move towards each other along the first direction, completing Z-type folding; the pressing trigger: after folding is completed, the clamping driving assembly is first triggered to drive the two pressing rulers 61 to clamp each other, reaching the initial pressing position (contacting the uppermost / lowermost folded piece), and then performing the single insertion piece retraction action; insertion piece retraction and dynamic pressing: the positive insertion piece 311 retracts by one insertion piece stroke along the first direction, and the stroke sensor detects the retraction completion signal; the first driving assembly drives the two pressing rulers 61 to simultaneously press downward along the second direction, and stops pressing when the upper pressing ruler 61 and the single insertion piece located at the bottom thereof are at a distance equal to that between the lower pressing ruler 61 and the single insertion piece located at the top thereof, while the clamping driving assembly again drives the two pressing rulers 61 to clamp each other, achieving the abutment of the top pressing ruler 61 and the single insertion piece currently on the uppermost layer, and the abutment of the bottom pressing ruler 61 and the single insertion piece on the bottom layer, fixing the current folding layer; repeating the above steps until all single insertion pieces are completely retracted, and the pressing rulers 61 reach the final pressing position.

[0040] Optionally, the stroke sensor is an optical proximity switch installed at the end of the movement path of the positive and negative insertion pieces 311 and 321, which triggers a detection signal when the insertion piece is completely retracted to the initial position; the first driving assembly is a double-acting cylinder, the piston rod of which is fixedly connected with the pressing ruler 61, and the cylinder is electrically connected with the stroke sensor through an electromagnetic valve; when the single insertion piece is completely retracted, the stroke sensor sends a trigger signal to the electromagnetic valve to drive the piston rod of the cylinder to extend, thereby driving the pressing ruler 61 to press downward along the second direction once.

[0041] The present embodiment uses a stroke sensor to monitor the retraction state of the insertion piece in real time, and controls the pressing ruler 61 to press downward in stages according to the sensor signal through the first driving assembly, thereby achieving precise linkage between the clamping mechanism 6 and the folding mechanism 3. This realizes precise pressing control of the clamping mechanism 6 on the air bag folding part, improves the automation degree and stability of air bag folding, reduces manual intervention, and ensures the consistency of product quality. For example, when large-scale production of air bags is performed, it can ensure that the folding and pressing effects of each air bag are the same.

[0042] In a preferred embodiment, two installation tables 7 are arranged in the installation space, and the installation tables 7 are slidably connected with installation box bodies 8, the left installation box body 8 is used to install the left insertion folding assembly 31, the right installation box body 8 is used to install the right insertion folding assembly 32, at least one side of the installation box body 8 is provided with a second driving assembly 34 for driving sliding thereof, and the sliding direction of the installation box body 8 is the first direction.

[0043] In a preferred embodiment, the top of the installation box 8 is provided with a centering mechanism 5 near the folding station side, the centering mechanism 5 includes a centering plate 51 and a third driving assembly for driving the centering plate 51 to move in the first direction.

[0044] Specifically, as shown in Figure 4 The installation box 8 is connected with the installation table 7 through a linear slide rail 33, and the sliding direction is the first direction; the centering plate 51 is arranged on the top of the installation box 8 and can be driven to move in the first direction by the third driving assembly; when the installation box 8 slides, the centering plate 51 moves with the installation box 8. Since the air bag is a soft object, when the folding action starts, the centering plate 51 extends to both sides of the folding station to center and clamp the air bag and correct the position of the air bag.

[0045] Alternatively, one side of the installation box 8 can be fixed, and the other side of the installation box 8 is provided with a second driving assembly 34 for driving the installation box 8 to slide on the linear slide rail 33. By arranging the second driving assembly 34, the relative distance between one side of the installation box 8 and the other side can be changed, so as to change the width of the projection overlap area of the positive tab 311 and the negative tab 321 in the second direction. This width is the folding width, that is, the distance between the end of the positive tab 311 and the end of the negative tab 321. Therefore, by arranging the second driving assembly 34, the user's different folding width requirements can be met without replacing the equipment.

[0046] In a preferred embodiment, the clamping mechanism 4 includes a jig clamping piece 41 arranged on the base 1 and a tail clamping piece 42 arranged on the top of the rack 2, and the jig clamping piece 41 and the tail clamping piece 42 move synchronously.

[0047] Specifically, the jig clamping piece 41 is a component of the clamping mechanism 4 for clamping the air bag having the generator end, and the tail clamping piece 42 is a component of the clamping mechanism 4 for clamping the air bag away from the generator end. The air bag in the relaxed state is clamped by the two clamping pieces, and then moves synchronously into the folding station.

[0048] In a preferred embodiment, the clamping mechanism 4 further includes a fourth driving assembly, the fourth driving assembly is used for driving the jig clamping piece 41 and / or the tail clamping piece 42 to move in the third direction, so as to switch the air bag to be folded between the upper piece station and the folding station.

[0049] In a preferred embodiment, the clamping mechanism 4 further includes a fifth driving assembly, the fifth driving assembly is used for driving the jig clamping piece 41 and / or the tail clamping piece 42 to rotate at the upper piece station, and the direction of the rotation axis is the second direction.

[0050] Specifically, after the air bag is placed on the loading station, the fifth driving assembly is started to drive the jig clamping piece 41 and / or the tail clamping piece 42 to rotate 90 degrees around the rotation axis in the second direction, so that the air bag is converted from the transverse direction to the longitudinal direction, the fourth driving assembly is started to send the air bag from the loading station to the folding station, so that the subsequent folding operation is performed on the air bag in the longitudinal direction; after the folding is completed, the fourth driving assembly is started again to send the air bag from the folding station to the loading station, and the fifth driving assembly is started again to convert the air bag to the transverse direction, and the folded air bag is manually taken out.

[0051] In a preferred embodiment, a photographing assembly is arranged on the rack 2 in the installation space, and the photographing assembly is used to collect an air bag image of the air bag to be folded located at the loading station, and the air bag image is used for air bag category identification when loading.

[0052] Specifically, the air bag to be folded can be the air bag category of the left side of the seat and the right side of the seat, and the loading method is different if the air bag categories are different. If the loading method does not match, the finished product obtained by folding will have folding errors, and therefore, the photographing assembly can perform upper error correction according to the air bag image to prevent subsequent folding errors.

[0053] The principles and implementation manners of the present application are described by using specific examples in the present application, and the above description of the examples is only used to help understand the method and the core idea thereof. The above description is only the preferred embodiment of the present application, and it should be pointed out that, due to the limited expression, there are infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, refinements or changes can be made without departing from the principles of the present application, and the above technical features can be combined in an appropriate manner; the improvements, refinements, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. A SAB bag folding apparatus, characterized by, The utility model relates to a kind of airbag folding machine, including: Base (1), which is provided with rack (2) on the base (1), and installation space is formed between the base (1) and the rack (2); Clamping mechanism (4), which is provided in the installation space, is used for clamping the airbag to be folded, and moves the airbag to be folded to the upper work station or the folding work station; Folding mechanism (3), which includes left insertion folding assembly (31) and right insertion folding assembly (32) provided in the installation space and distributed on both sides of the folding work station along the first direction, the left insertion folding assembly (31) includes a plurality of positive insertion pieces (311) movable along the first direction, the right insertion folding assembly (32) includes a plurality of negative insertion pieces (321) movable towards the positive insertion pieces (311), the negative insertion pieces (321) are staggered with the positive insertion pieces (311) along the second direction, and the second direction is perpendicular to the first direction; Clamping mechanism (6), which is provided on the side of the folding work station away from the upper work station along the third direction, the third direction is perpendicular to the first direction and the second direction respectively;The clamping mechanism (6) is mechanically linked with the drive unit of the positive insertion piece (311) and the negative insertion piece (321);When the positive insertion piece (311) and the negative insertion piece (321) complete the folding action, the clamping mechanism (6) clamps the folding part, and after the clamping mechanism (6) clamps the folding part, the drive unit triggers the positive insertion piece (311) and the negative insertion piece (321) to be withdrawn in sequence.

2. The SAB air bag folding apparatus according to claim 1, characterized by: The clamping mechanism (6) includes two compression rulers (61) symmetrically arranged along the second direction, after the positive insertion piece (311) and the negative insertion piece (321) complete the folding action in the space between the two compression rulers (61), the upper compression ruler (61) abuts against the uppermost positive insertion piece (311) or negative insertion piece (321), and the lower compression ruler (61) abuts against the lowermost positive insertion piece (311) or negative insertion piece (321).

3. The SAB airbag folding apparatus according to claim 2, characterized by: The drive unit triggers the positive insertion piece (311) and the negative insertion piece (321) to be withdrawn in sequence from top to bottom along the second direction, after each layer of insertion piece is withdrawn, the upper compression ruler (61) abuts against the next layer of insertion piece, and the lower compression ruler (61) abuts against the lowermost layer of insertion piece, so as to compress the folding part of the airbag to be folded layer by layer.

4. The SAB airbag folding apparatus according to claim 3, characterized by: The clamping mechanism (6) comprises a linkage control unit composed of a stroke sensor, a first driving assembly and a clamping driving assembly; the stroke sensor is arranged at the end of the movement path of the positive tab (311) and the negative tab (321) to detect the retraction state of the single tab; the first driving assembly and the clamping driving assembly are respectively connected with the pressing ruler (61), and according to the trigger signal of the stroke sensor, the first driving assembly drives the pressing ruler (61) to press downward along the second direction layer by layer, and the clamping driving assembly drives the two pressing rulers (61) to move towards each other according to the layer-by-layer pressing end signal to perform pressing; wherein each pressing action of the pressing ruler (61) corresponds to the retraction completion signal of the single tab one by one.

5. The SAB air pocket folding apparatus of claim 1, wherein: Two mounting tables (7) are arranged in the mounting space, and the mounting tables (7) are slidably connected with mounting boxes (8); the mounting box (8) on the left side is used for mounting the left tab folding assembly (31), and the mounting box (8) on the right side is used for mounting the right tab folding assembly (32); at least one side of the mounting box (8) is provided with a second driving assembly (34) for driving the sliding thereof; and the sliding direction of the mounting box (8) is the first direction.

6. The SAB air bag folding apparatus according to claim 5, wherein: A righting mechanism (5) is arranged on the top of the mounting box (8) near the folding station; the righting mechanism (5) comprises a righting plate (51) and a third driving assembly for driving the righting plate (51) to move along the first direction.

7. The SAB air pocket folding apparatus of claim 1, wherein: The clamping mechanism (4) comprises a jig clamping piece (41) arranged on the base (1) and a tail clamping piece (42) arranged on the top of the rack (2); the jig clamping piece (41) and the tail clamping piece (42) move synchronously.

8. The SAB air pocket folding apparatus of claim 7, wherein: The clamping mechanism (4) further comprises a fourth driving assembly for driving the jig clamping piece (41) and / or the tail clamping piece (42) to move along the third direction, so as to switch the to-be-folded air bag between the upper piece station and the folding station.

9. The SAB air pocket folding apparatus of claim 7, wherein: The clamping mechanism (4) further comprises a fifth driving assembly for driving the jig clamping piece (41) and / or the tail clamping piece (42) to rotate at the upper piece station; the direction of the rotation axis is the second direction.

10. The SAB air pocket folding apparatus of claim 1, wherein: A photographing assembly is arranged on the rack (2) in the mounting space; the photographing assembly is used for collecting the air bag image of the to-be-folded air bag located at the upper piece station; and the air bag image is used for air bag category identification when the upper piece is performed.

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