Safety belt gear welding, pressing and rotating mechanism

Abstract

The utility model relates to a safety belt gear welding compressing and rotating mechanism which comprises a working table, a turntable assembly, a plurality of tool positioning mechanisms, a compressing and rotating mechanism and a welding gun moving mechanism, the turntable assembly comprises an inner fixing disc and an outer turntable which are arranged in a mutually rotating mode, and the plurality of tool positioning mechanisms are arranged along the outer edge of the outer turntable at intervals. The tool positioning mechanism comprises a positioning column, and a rotating gear is further fixed to the lower portion of the positioning column. A piston rod of a downward pressing air cylinder of a pressing rotating mechanism penetrates through a supporting vertical frame and then is connected with a smoke exhaust dust removal cover, a rotating pressing head is fixed to the middle of the smoke exhaust dust removal cover, a front-back moving servo mechanism drives a closed rotating gear to be meshed with or separated from a rotating gear, and then a positioning column is driven to rotate or stop; the welding gun movement mechanism comprises a supporting base and a laser welding gun body, and the laser welding gun body is aligned with the half gear disc on the positioning column. The mechanism is small in occupied space, welding can be automatically and continuously completed, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metal parts processing equipment technical field especially, relate to a safety belt gear welding pressure rotation mechanism. BACKGROUND

[0002] The rapid popularization of the automobile forces people to pay attention to a series of problems such as the safety, energy saving and environmental protection of the automobile, and the automobile safety problem is the first, and the automobile safety belt is the passive safety configuration of the traditional guarantee safety driving, and the pretensioner can pull the safety belt tightly to limit the position of the driver or the passenger to avoid the collision between the personnel and the objects such as the steering wheel, windshield, seat back, door and the like in the car when the automobile drives, and the safety belt gear is one of the most critical parts in the automobile safety belt and its system, when the automobile safety belt buffers, the gear needs to rotate to give the buffering force and finally pull the safety belt, so its importance can be seen at a glance.

[0003] At present, the process of producing the safety belt gear is that the plate material is first stamped in the vertical punch, then phosphor saponification is carried out, then the processing is carried out on the vertical three-station cold forging punch, then the forged parts are vibrated and washed, and finally the two small gears processed in the same way are welded and formed and then electroplated.

[0004] In the subsequent welding process, the worker places the two small gears in the forward and reverse directions on the special welding equipment to carry out the welding operation, the small gears need to be selected manually each time, and the two small gears are placed in the correct position according to one forward and one reverse, then the worker holds the welding equipment to weld a circle of the gear, or the welding equipment is driven by the mechanical arm to weld a circle of the gear, the worker takes out after the welding is completed, and the next group of parts is installed, so the work is repeated, this kind of mode needs manual feeding and discharging, the production efficiency is not high, the motion precision of the mechanical arm is required to be high, and the required working space is large, in addition, metal scraps, smoke and the like are generated in the welding process, which affects the safety of the operator. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a safety belt gear welding pressure rotation mechanism, which occupies small space and can automatically and continuously complete the welding to improve the production efficiency.

[0006] In order to realize the above utility model purpose, the utility model adopts the following technical scheme:

[0007] The safety belt gear welding pressure rotation mechanism comprises a workbench, a rotating disc assembly, a tool positioning mechanism, a pressure rotation mechanism and a welding gun movement mechanism,

[0008] The rotary table assembly comprises an inner fixed disc and an outer rotary disc arranged in rotation with each other, a motor and a cam divider are fixed at the bottom of the workbench, and the motor and the cam divider are connected with each other in transmission through a belt, the cam divider drives the intermittent rotation of the outer rotary disc, a plurality of tool positioning mechanisms are arranged at intervals along the outer edge of the outer rotary disc, the tool positioning mechanism comprises a positioning column, the positioning column is inserted into the outer rotary disc through a rotary table fixing seat, and a rotary fixing seat is further arranged between the positioning column and the rotary table fixing seat, so that the positioning column is connected with the rotary table fixing seat in rotation, and a rotary gear is further fixed to the lower part of the positioning column;

[0009] The pressing rotary mechanism comprises a support stand, a downward pressing cylinder, a smoke extraction cover, a rotary pressing head, a front and rear moving servo mechanism, a speed rotary motor and a closing rotary gear, the downward pressing cylinder is fixed at the top of the support stand, the piston rod of the downward pressing cylinder penetrates through the support stand and is connected with the smoke extraction cover, the rotary pressing head is fixed at the middle part of the smoke extraction cover, the front and rear moving servo mechanism is fixed at the lower part of the support stand, the speed rotary motor and the closing rotary gear are arranged on the front and rear moving servo mechanism through a fixing seat, the speed rotary motor drives the rotation of the closing rotary gear, the front and rear moving servo mechanism drives the meshing or separation of the closing rotary gear and the rotary gear, and then drives the rotation or stop of the positioning column;

[0010] The welding gun movement mechanism comprises a support seat and a laser welding gun body, the laser welding gun body is arranged on the support seat through a welding gun front and rear moving servo mechanism and a welding gun up and down moving servo mechanism, and the laser welding gun body is aligned with the half gear disc on the positioning column.

[0011] As a preferred scheme, the support stand comprises two support columns, and a top plate and a bottom plate fixed on the support columns, a downward pressing guide sleeve is fixed on the top plate, a guide rod is slidably arranged in the downward pressing guide sleeve, a fixed plate is fixed to the lower end of the guide rod, the piston rod of the downward pressing cylinder is connected with the upper end of the fixed plate, and the rotary pressing head and the smoke extraction cover are fixed at the lower end of the fixed plate.

[0012] As a preferred scheme, the front and rear moving servo mechanism is fixed on the bottom plate through a support plate, and the fixing seat is connected with a sliding block on the front and rear moving servo mechanism.

[0013] As a preferred scheme, the tool positioning mechanism further comprises a supporting claw, a tensioning head and a tensioning cylinder, a through hole is arranged in the middle part of the positioning column, a plurality of supporting claws are inserted into the through hole, the tensioning head is located in the center of the plurality of supporting claws, the tensioning cylinder is fixed on the bottom of the outer rotary disc through a cylinder fixing block and is connected with the tensioning head through a cylinder connecting block, the movement of the tensioning head is driven, so that the supporting claws are opened or contracted, and then the half gear disc is clamped or released.

[0014] As a preferred scheme, one side of the positioning column is further provided with a limiting block, the rotating disc assembly is provided with a locking mechanism, and the locking mechanism cooperates with the limiting block to make the positioning column rotate or remain static.

[0015] As a preferred scheme, the locking mechanism comprises a locking base, a connecting hook, a rotating locking block and a rotating positioning cylinder fixed on the inner fixing disc, the locking base is fixed on the outer rotating disc, the rotating locking block is slidingly arranged on the upper portion of the locking base, the locking base and the rotating locking block are provided with a spring, so that the rotating locking block abuts against the positioning column, one end of the rotating locking block is further provided with the connecting hook, and the rotating positioning cylinder drives the connecting hook to move away from the positioning column.

[0016] As a preferred scheme, the movable end of the rotating positioning cylinder is fixed with a clamping block, the upper end surface of the clamping block is high in the inside and low in the outside, the connecting hook is connected to the end portion of the rotating locking block and can move up and down, and the top of the clamping block is higher than the lower end portion of the connecting hook.

[0017] As a preferred scheme, one rotating locking block is arranged on the inner side of each positioning column, and one rotating positioning cylinder is arranged.

[0018] As a preferred scheme, a support frame is further fixed on the workbench around the outer rotating disc, a support roller is rotatably arranged on the top of the support frame, and the support roller abuts against the bottom of the outer rotating disc.

[0019] As a preferred scheme, a gas flow meter is further arranged on the laser welding gun body, and welding protection gas pipes are further arranged on the two sides of the laser welding gun body.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] The utility model discloses a workbench is provided with rotating disc assembly, pressing rotation mechanism and welding gun movement mechanism, is provided with a plurality of tool positioning mechanism on rotating disc assembly, makes every tool positioning mechanism can correspond corresponding processing procedure, is convenient for setting up feeding and discharging work before and after welding station, realizes assembly line operation with the rotation of rotating disc assembly, improves the efficiency, when welding, through the lower pressure cylinder drive rotating pressure head press down half gear disc, simultaneously, the smoke dust cover covers it, reduces the splashing of chippings and smoke dust, simultaneously, the front and back movement servo mechanism drives the closed rotating gear and the rotating gear on tool positioning mechanism meshing, and is driven by the speed rotation motor and rotates, and the laser welding gun body is adjusted by welding gun front and back movement servo mechanism and welding gun up and down movement servo mechanism and aligns half gear disc, with the rotation of half gear disc can complete welding, reduces the demand of laser welding gun body movement space, simultaneously, the whole welding process efficiency is high, and the safety is better. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application illustrate embodiments of the application and to explain various implementations of the application do not limit the present application.

[0023] Figure 1 Is the overall structure schematic diagram of the utility model;

[0024] Figure 2 And Figure 3 Is the structure schematic diagram of the pressing and rotating mechanism and the welding gun movement mechanism of the utility model at two different angles;

[0025] Figure 4 Is the structure schematic diagram of the welding gun movement mechanism of the utility model;

[0026] Figure 5 Is the structure schematic diagram of the pressing and rotating mechanism of the utility model;

[0027] Figure 6 Is the structure schematic diagram of the front and back moving servo mechanism, the fixed seat, the closed rotating gear and the speed rotating motor of the utility model;

[0028] Figure 7 Is the overall structure schematic diagram of the turntable assembly and the tool positioning mechanism of the utility model at one angle;

[0029] Figure 8 Is the overall structure schematic diagram of the turntable assembly and the tool positioning mechanism of the utility model at another angle (the workbench surface is not shown);

[0030] Figure 9 Is the structure schematic diagram of the tool positioning mechanism and the rotating locking block, the locking base and other components of the utility model;

[0031] Figure 10 Is the structure schematic diagram of the tool positioning mechanism of the utility model.

[0032] The reference signs are: 1, workbench; 2, outer rotating disc; 20, cylinder fixing block; 3, tool positioning mechanism; 33, positioning column; 32, rotating fixing seat; 31, rotating disc fixing seat; 34, rotating gear; 36, tensioning cylinder; 35, cylinder fixing block; 38, supporting claw; 37, tensioning head; 39, limiting block; 4, locking mechanism; 44, rotating locking block; 43, connecting hook claw; 42, spring; 41, locking base; 5, rotating positioning cylinder; 61, supporting frame; 62, supporting roller; 7, cam divider; 8, motor; 9, belt; 100, half gear disc; 102, supporting base; 103, downward pressing cylinder; 1020, top plate; 1024, bottom plate; 1023, downward pressing guide sleeve; 1021, fixing plate; 1022, guide rod; 104, smoke and dust removal cover; 1041, rotating pressing head; 1052, closed rotating gear; 105, fixing seat; 1051, speed rotating motor; 106, forward and backward moving servo mechanism; 1060, supporting plate; 1061, sliding block; 107, supporting seat; 1012, welding protection gas pipe; 1011, gas flow meter; 1010, laser welding gun body; 108, welding gun forward and backward moving servo mechanism; 109, welding gun upward and downward moving servo mechanism. DETAILED DESCRIPTION

[0033] It should be noted that the following detailed description is illustrative only, and is intended to provide further description in order to provide a further understanding of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0034] It should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should be further understood that the terms "comprise" and / or "include" as used herein specify the presence of features, steps, operations, devices, components and / or their combinations.

[0035] In addition, in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0036] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined as "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two, unless otherwise explicitly limited.

[0037] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between the two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or it can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical direction of the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "lower", "lower" and "lower" of the first feature to the second feature include the vertical direction of the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0039] The present application will be further described below in conjunction with the drawings and embodiments:

[0040] As shown in the drawings, Figures 1 to 10 The safety belt gear welding and pressing rotating mechanism comprises a workbench surface 1, a rotating disc assembly, a tool positioning mechanism 3, a pressing rotating mechanism and a welding gun movement mechanism,

[0041] The rotating disc assembly comprises an inner fixed disc and an outer rotating disc 2 arranged in rotation with each other, the bottom of the workbench surface 1 is fixed with a motor 8 and a cam divider 7, and the motor 8 and the cam divider 7 are connected with each other through a belt 9, the cam divider 7 drives the outer rotating disc 2 to rotate intermittently, a plurality of tool positioning mechanisms 3 are arranged along the outer edge of the outer rotating disc 2, the tool positioning mechanism comprises a positioning column 33, the positioning column 33 is inserted on the outer rotating disc 2 through a rotating disc fixing seat 31, and a rotating fixing seat 32 is further arranged between the positioning column 33 and the rotating disc fixing seat 31, so that the positioning column 33 is rotatably connected with the rotating disc fixing seat 31, and the lower part of the positioning column 33 is further fixed with a rotating gear 34;

[0042] The pressing rotating mechanism comprises a support stand, a pressing cylinder 103, a dust removal cover 104, a rotating pressing head 1041, a front-back moving servo mechanism 106, a speed rotating motor 1051 and a closing rotating gear 1052, the pressing cylinder 103 is fixed on the top of the support stand, the piston rod of the pressing cylinder 103 penetrates through the support stand and is connected with the dust removal cover 104, the rotating pressing head 1041 is fixed in the middle of the dust removal cover 104, the front-back moving servo mechanism 106 is fixed on the lower part of the support stand, the speed rotating motor 1051 and the closing rotating gear 1052 are arranged on the front-back moving servo mechanism 106 through a fixing base 105, the speed rotating motor 1051 drives the closing rotating gear 1052 to rotate, a speed detection encoder for checking the welding speed in real time is arranged on the fixing base, the front-back moving servo mechanism 106 drives the closing rotating gear 1052 to engage or disengage with the rotating gear 34, thereby driving the positioning column 33 to rotate or stop.

[0043] The welding gun moving mechanism comprises a support base 107 and a laser welding gun body 1010, the laser welding gun body 1010 is arranged on the support base 107 through a welding gun front-back moving servo mechanism 108 and a welding gun up-down moving servo mechanism 109, and the laser welding gun body 1010 is aligned with the half gear disc 100 on the positioning column 33.

[0044] The tool positioning mechanism further comprises supporting claws 38, a tension head 37 and a tension cylinder 36, the middle part of the positioning column 33 is provided with a through hole, the lower parts of the supporting claws 38 are inserted into the through hole, the tension head 37 is located in the center of the supporting claws 38, the tension cylinder 36 is fixed on the bottom of the outer turntable 2 through a cylinder fixing block 20 and is connected with the tension head 37 through a cylinder connecting block 35, the tension head is driven to move, so that the supporting claws are opened or contracted, thereby making the half gear disc 100 be clamped or released.

[0045] One side of the positioning column 33 is further provided with a limiting block 39, the turntable assembly is provided with a locking mechanism 4, the locking mechanism 4 cooperates with the limiting block 39, so that the positioning column 33 rotates or remains stationary. The locking mechanism comprises a locking base 41, a connecting hook 43, a rotating locking block 44 and a rotating positioning cylinder 5 fixed on the inner fixed disc, the locking base 41 is fixed on the outer turntable 2, the rotating locking block 44 is slidingly arranged on the upper part of the locking base 41, the locking base 41 and the rotating locking block 44 are provided with springs, so that the rotating locking block 44 abuts against the positioning column 33, one end of the rotating locking block 44 is further provided with the connecting hook 43, the rotating positioning cylinder 5 drives the connecting hook 43 to move away from the positioning column.

[0046] The inner side of each positioning column 33 is provided with a rotating locking block 44, and the rotating positioning cylinder 5 is one; in other embodiments, the rotating positioning cylinder 5 can also be multiple, the rotating positioning cylinder 5 does not rotate with the outer turntable 2, the number of the rotating positioning cylinder matches the number of processes in which the positioning column needs to be freely rotated, and the rotating positioning cylinder is arranged only at the process in which the positioning column needs to be freely rotated, so that the machining requirement can be met, and cost can be saved.

[0047] The movable end of the rotating positioning cylinder 5 is fixed with a clamping block, the upper end surface of the clamping block is high in the inside and low in the outside, the connecting hook claw 43 is connected at the end of the rotating locking block 44 and can move up and down, and the top of the clamping block is higher than the lower end of the connecting hook claw 43. Such a structure makes the connecting hook claw 43 slightly upturned when the rotating positioning cylinder 5 pushes the clamping block, the clamping block can extend into the lower part of the connecting hook claw 43, and the connecting hook claw 43 falls under the action of gravity, and the clamping block can drive the connecting hook claw 43 to retreat when the rotating positioning cylinder retreats, so that the rotating locking block 44 is separated from the limiting block 39, and the positioning column can be freely rotated.

[0048] The workbench surface 1 is further fixed with a support frame 61 around the outer turntable 2, the top of the support frame 61 is rotatably provided with a support roller 62, and the support roller 62 abuts against the bottom of the outer turntable 2. The support frame 61 and the support roller can support the turntable assembly to some extent, and are favorable for the turntable to rotate more smoothly.

[0049] The support stand comprises two support columns 102, a top plate 1020 and a bottom plate 1024 fixed on the support columns 102, a downward pressing guide sleeve 1023 is fixed on the top plate 1020, a guide rod 1022 is slidably arranged in the downward pressing guide sleeve 1023, a fixed plate 1021 is fixed on the lower end of the guide rod 1022, the piston rod of the downward pressing cylinder 103 is connected with the upper end of the fixed plate 1021, and the rotating pressing head 1041 and the smoke dust removal cover 104 are fixed on the lower end of the fixed plate 1021. The front and rear moving servo mechanism 106 is fixed on the bottom plate 1024 through a support plate 1060, and the fixed seat 105 is connected with the sliding block 1061 on the front and rear moving servo mechanism 106.

[0050] The laser welding gun body 1010 is further provided with a gas flow meter 1011, and the two sides of the laser welding gun body 1010 are further provided with welding protection gas pipes 1012. The gas flow meter is used for switching and monitoring the gas flow; the welding protection gas pipes ensure the gas protection during welding; the front and rear moving servo mechanism, the welding gun front and rear moving servo mechanism 108 and the welding gun up and down moving servo mechanism 109 in the utility model can all adopt a linear motor structure.

[0051] The working process of the utility model is as follows: the half gear plate is put on the positioning column by artificial or other equipment, the tension cylinder drives the tension head to open the supporting claw and position the half gear plate, the motor drives the cam divider to rotate through the belt, and then the outer rotating disc intermittently rotates to each process, when the rotating disc assembly with the tool positioning mechanism reaches the compression rotating mechanism, the downward pressing cylinder drives the guide rod, the smoke extraction dust cover and the rotating compression head to press the part, then the rotating positioning cylinder drives the rotating locking block to retreat, the forward and backward moving servo mechanism drives the fixed seat, the speed rotating motor and the speed detection encoder to push to make the closed rotating gear and the clamp rotating gear engage, at the same time, the up and down moving servo mechanism of the laser welding gun and the forward and backward moving servo mechanism of the laser welding gun automatically adjust the servo position (the part detection mechanism can be arranged on the path of the rotating disc assembly, and the position adjustment of the laser welding gun body is adjusted according to the detection parameters of the part detection mechanism), the gas flow meter is opened after the laser welding gun body 1010 reaches the position, the laser welding equipment emits light after the welding protection gas pipe emits gas, the speed rotating motor rotates and drives the speed detection encoder to start welding.

[0052] When the rotation is finished, the speed rotating motor returns to zero position (reverse rotation), the rotating positioning cylinder drives the rotating locking block to push out, the downward pressing cylinder drives the guide rod, the smoke extraction dust cover and the rotating compression head to rise, the forward and backward moving servo mechanism drives the fixed seat, the speed rotating motor and the speed detection encoder to retreat, and the rotating disc assembly rotates to enter the next station.

[0053] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0054] Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above embodiments in the range of the utility model without departing from the principles and purposes of the utility model, and any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the range of the technical scheme of the utility model.

Claims

1. A safety belt toothed gear welding and pressing rotary mechanism, characterized in that, It includes workbench (1), rotating disc assembly, tool positioning mechanism (3), pressing rotating mechanism and welding gun movement mechanism, The rotating disc assembly includes inner fixed disc and outer rotating disc (2) arranged in rotation with each other, the bottom of the workbench (1) is fixed with motor (8) and cam divider (7), and the motor (8) and the cam divider (7) are connected with each other in transmission through the belt (9), the cam divider (7) drives the intermittent rotation of the outer rotating disc (2), a plurality of tool positioning mechanisms (3) are arranged along the outer edge of the outer rotating disc (2) at intervals, the tool positioning mechanism includes positioning column (33), the positioning column (33) is inserted on the outer rotating disc (2) through rotating disc fixing seat (31), and rotating fixing seat (32) is further arranged between the positioning column (33) and the rotating disc fixing seat (31), so that the positioning column (33) is rotatably connected with the rotating disc fixing seat (31), and the lower part of the positioning column (33) is further fixed with rotating gear (34); The pressing rotating mechanism includes support stand, lower pressing cylinder (103), smoke extraction dust cover (104), rotating pressing head (1041), front and rear moving servo mechanism (106), speed rotating motor (1051) and closing rotating gear (1052), the lower pressing cylinder (103) is fixed on the top of the support stand, and the piston rod of the lower pressing cylinder (103) penetrates through the support stand and is connected with the smoke extraction dust cover (104), the rotating pressing head (1041) is fixed in the middle of the smoke extraction dust cover (104), the front and rear moving servo mechanism (106) is fixed on the lower part of the support stand, the speed rotating motor (1051) and the closing rotating gear (1052) are arranged on the front and rear moving servo mechanism (106) through the fixing seat (105), and the speed rotating motor (1051) drives the rotating of the closing rotating gear (1052), the front and rear moving servo mechanism (106) drives the meshing or separation of the closing rotating gear (1052) and the rotating gear (34), and then drives the rotating or stopping of the positioning column (33); The welding gun movement mechanism includes support seat (107) and laser welding gun body (1010), the laser welding gun body (1010) is arranged on the support seat (107) through the welding gun front and rear moving servo mechanism (108) and the welding gun up and down moving servo mechanism (109), and the laser welding gun body (1010) is aligned with the half gear disc (100) on the positioning column (33).

2. The safety belt gear welding press-in rotation mechanism according to claim 1, characterized by, The support stand includes two support columns (102), and top plate (1020) and bottom plate (1024) fixed on the support columns (102) above and below, the lower end of the guide rod (1022) is fixed with the fixed plate (1021), the piston rod of the lower pressing cylinder (103) is connected with the upper end of the fixed plate (1021), and the rotating pressing head (1041) and the smoke extraction dust cover (104) are fixed on the lower end of the fixed plate (1021).

3. The seat belt webbing weld crimp rotation mechanism of claim 2, wherein, The front and rear movement servo mechanism (106) is fixed on the bottom plate (1024) through a support plate (1060), and the fixing seat (105) is connected with a sliding block (1061) on the front and rear movement servo mechanism (106).

4. The safety belt gear welding press-in rotation mechanism according to claim 1, characterized by, The tool positioning mechanism further comprises supporting claws (38), a tension head (37) and a tension cylinder (36), the middle part of the positioning column (33) is provided with a through hole, the lower parts of the supporting claws (38) are inserted into the through hole, the tension head (37) is located in the center of the supporting claws (38), the tension cylinder (36) is fixed on the bottom of the outer turntable (2) through a cylinder fixing block (20) and connected with the tension head (37) through a cylinder connecting block (35), and drives the tension head to move, so that the supporting claws are opened or contracted, and then the half gear disc (100) is clamped or loosened.

5. The safety belt gear welding press-in rotation mechanism according to claim 1, characterized by, The positioning column (33) is further provided with a limiting block (39) on one side, the turntable assembly is provided with a locking mechanism (4), the locking mechanism (4) is matched with the limiting block (39), so that the positioning column (33) rotates or remains stationary.

6. The safety belt gear welding press-in rotary mechanism according to claim 5, characterized in that, The locking mechanism comprises a locking base (41), a connecting hook claw (43), a rotating locking block (44) and a rotating positioning cylinder (5) fixed on the inner fixed disc, the locking base (41) is fixed on the outer turntable (2), the rotating locking block (44) is slidingly arranged on the upper part of the locking base (41), and the locking base (41) and the rotating locking block (44) are provided with a spring, so that the rotating locking block (44) abuts against the positioning column (33), one end of the rotating locking block (44) is further provided with the connecting hook claw (43), and the rotating positioning cylinder (5) drives the connecting hook claw (43) to move away from the positioning column.

7. The safety belt gear welding press-in rotary mechanism according to claim 6, characterized in that, The movable end of the rotating positioning cylinder (5) is fixed with a clamping block, the upper end surface of the clamping block is high and the outer part is low, the connecting hook claw (43) is connected to the end part of the rotating locking block (44) and can move up and down, and the top of the clamping block is higher than the lower end part of the connecting hook claw (43).

8. The seat belt webbing weld crimp rotation mechanism of claim 6, wherein, The inner side of each positioning column (33) is provided with one rotating locking block (44), and one rotating positioning cylinder (5) is arranged.

9. The safety belt gear weld pinch rotation mechanism of claim 1, wherein, The workbench surface (1) is further fixed with a support frame (61) around the outer turntable (2), the top of the support frame (61) is rotatably provided with a support roller (62), and the support roller (62) abuts against the bottom of the outer turntable (2).

10. The safety belt gear welding press-in rotation mechanism according to claim 1, characterized by, The laser welding gun body (1010) is further provided with a gas flow meter (1011), and the two sides of the laser welding gun body (1010) are further provided with welding protection gas pipes (1012).

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