CN111215893B

CN111215893B - Production equipment for locking device of automobile safety belt retractor

Info

Publication number: CN111215893B
Application number: CN202010092643.9A
Authority: CN
Inventors: 魏玉燕; 魏芙蓉; 杨小燕
Original assignee: Zhejiang Wanli Safety Equipment Manufacturing Co ltd
Current assignee: ZHEJIANG WANLI SAFETY EQUIPMENT MANUFACTURING Co.,Ltd.
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2021-07-20
Anticipated expiration: 2040-02-14
Also published as: CN111215893A

Abstract

The invention relates to the technical field of safety belt retractors. Production equipment of a locking device of an automobile safety belt retractor comprises a rack, an indexing disc device, a ratchet wheel feeding device, a spring feeding device, a balance wheel feeding device, an assembly reset detection device and a finished product discharging device; the indexing disc device is provided with four stations, and each station is provided with a station jig; the four stations are respectively a first station, a second station, a third station and a fourth station; the ratchet wheel feeding device is located on the outer side of the first station, the balance wheel feeding device is located on the outer side of the second station, the spring feeding device is located on the outer side between the second station and the third station, the assembly reset detection device is located on the outer side of the third station, and the finished product discharging device is located on the outer side of the fourth station. The advantage of this patent is that this equipment realizes the automatic equipment of ratchet, spring and balance, reduces workman intensity of labour when promoting the packaging efficiency to promote the equipment quality.

Description

Production equipment for locking device of automobile safety belt retractor

Technical Field

The invention relates to the technical field of safety belt retractors, in particular to production equipment for a locking device of an automobile safety belt retractor.

Background

The locking device is an important component of an emergency locking type automobile safety belt retractor and comprises a ratchet wheel and a pawl mechanism, the ratchet wheel is connected with a belt winding drum into a whole, the pawl is arranged on a support of an automobile safety belt, and a control mechanism is connected with a speed change rate sensitive device to sense that the speed change rate of a vehicle exceeds a specified value, immediately controls the ratchet wheel and the pawl to be meshed, prevents the belt winding drum from rotating and locks a woven belt, so that the locking ratchet wheel is an important part for realizing the action of the retractor and also determines whether the function of the automobile safety belt can be realized.

For example, an automatic assembly mechanism for a locking ratchet of an automobile safety belt disclosed in the chinese utility model patent with publication number CN205817202U (publication number 2016.12.21), relates to the technical field of automobile safety belt retractors. The discharge port of the ratchet bin is arranged above the ratchet vibration disc, the discharge end of the ratchet vibration disc is provided with a ratchet transfer manipulator, and the discharge port of the ratchet bin isThe opening is arranged above the pawl vibration disc, the discharge end of the pawl vibration disc is provided with a pawl grabbing manipulator and a pressing mechanism, and the discharge mechanism comprises a grabbing manipulator and a discharge assembly line; the rotating mechanism comprises a four-station rotating disk which rotates 45 degrees every time^oIs a working position and is operated circularly. The locking ratchet assembly has high reliability, can realize full-automatic assembly of the locking ratchet assembly, improves the production efficiency, reduces the rejection rate and the production cost, and has high precision, accurate positioning and strong practicability. The mechanism replaces manual ratchet wheel assembly to improve assembly efficiency, but the mechanism only realizes ratchet wheel assembly and does not assemble the spring and the balance wheel, and the spring is assembled on the raised head of the balance wheel and is assembled in the ratchet wheel through manual assembly in the prior art, so that the production efficiency is low, the assembly precision and the product consistency are low, and the rejection rate is high. In summary, there is currently no apparatus for automatically assembling the ratchet, spring and balance.

Disclosure of Invention

The invention aims to solve the problems of the conventional retractor locking device, and provides production equipment for the automobile safety belt retractor locking device, which can automatically mount a spring on a balance wheel, mount an assembly part of the balance wheel and the spring in a ratchet wheel, reduce the labor intensity of workers, improve the assembly precision and the assembly efficiency, and reduce the rejection rate.

For the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a production device of a locking device of an automobile safety belt retractor comprises a rack, an indexing disc device, a ratchet wheel feeding device, a spring feeding device, a balance wheel feeding device, an assembly reset detection device and a finished product discharging device; the indexing disc device, the ratchet wheel feeding device, the spring feeding device, the balance wheel feeding device, the assembly reset detection device and the finished product discharging device are respectively arranged on the rack; the indexing disc device is provided with four stations, and each station is provided with a station jig; the four stations are respectively a first station, a second station, a third station and a fourth station; the ratchet wheel feeding device is positioned outside the first station and used for conveying the ratchet wheel to the station jig of the first station; the balance wheel feeding device is positioned on the outer side of the second station, the spring feeding device is positioned on the outer side between the second station and the third station, and the spring feeding device is used for conveying the spring to a balance wheel of the balance wheel feeding device and assembling the spring and the balance wheel; the balance wheel feeding device is used for conveying the spring and balance wheel assembly to the ratchet wheel and assembling; the assembly reset detection device is positioned outside the third station and is used for carrying out assembly detection on the finished product; and the finished product blanking device is positioned outside the fourth station and is used for blanking the finished product.

Preferably, the rotary disc is arranged on the dividing disc device, the four station jigs are circumferentially and regularly arranged on the outer side of the rotary disc, the cross section of each station jig is I-shaped, the middle of each station jig is provided with a limiting groove, a positioning pin is arranged at the center of the limiting groove on each station jig, and a feeding pin is arranged at the upper part of each station jig, which is located in the limiting groove.

Preferably, the ratchet wheel feeding device comprises a ratchet wheel conveying vibration disc, a ratchet wheel supporting frame, a ratchet wheel correcting assembly and a ratchet wheel transferring assembly; the ratchet wheel support frame is connected with the discharge end of the ratchet wheel conveying vibration disc, the ratchet wheel correction assembly is positioned on one side of the ratchet wheel support frame and comprises a ratchet wheel correction support frame, a ratchet wheel horizontal moving cylinder, a ratchet wheel lifting cylinder, a ratchet wheel guide seat and a middle position limiting cylinder; the ratchet correction support frame is fixedly arranged at the rear part of the rack, the ratchet horizontal moving cylinder is arranged on the ratchet correction support frame through a ratchet horizontal fixing block, the ratchet lifting cylinder is arranged on the moving part of the ratchet horizontal moving cylinder through a ratchet cylinder connecting block, an L-shaped correction plate is arranged at the top of the ratchet lifting cylinder, and a ratchet matching notch is arranged at the lower part of the L-shaped correction plate; the ratchet guide seat is fixedly arranged at the front part of the rack and connected with a middle position fixing block through two guide rods, the middle position limiting cylinder is arranged in the middle of the middle position fixing block, a middle position limiting block is arranged at the moving part of the middle position limiting cylinder and penetrates through the ratchet guide seat, and the ratchet transfer assembly is used for transferring the corrected ratchet.

Preferably, the ratchet wheel transfer assembly comprises a ratchet wheel transfer bracket, a ratchet wheel forward and backward moving electric cylinder, a transfer forward and backward moving supporting seat, a transfer lifting moving frame, a ratchet wheel transfer lifting cylinder and a ratchet wheel suction head; the ratchet wheel transfer support is arranged on the rack, the ratchet wheel forward-backward movement electric cylinder is fixedly arranged at the top of the ratchet wheel transfer support, the ratchet wheel forward-backward movement supporting seat is arranged on a moving part of the ratchet wheel forward-backward movement electric cylinder, two moving guide rods on the transfer lifting moving frame are positioned in two sides of the transfer forward-backward movement supporting seat, the ratchet wheel transfer lifting cylinder is arranged in the middle of the transfer forward-backward movement supporting seat, the bottom of the ratchet wheel transfer lifting cylinder is connected with the top surface of the bottom of the transfer lifting moving frame through a lifting cylinder connecting frame, the ratchet wheel suction head is arranged at the bottom of the transfer lifting moving frame, a suction pipe of the ratchet wheel suction head penetrates through the bottom plate of the transfer lifting moving frame, and a plurality of ratchet wheel suction nozzles are arranged on the ratchet wheel suction head.

Preferably, the spring feeding device comprises a spring conveying vibration disc, a spring dividing disc assembly and a spring transfer assembly; the spring conveying vibration disc is arranged on the rack, and the spring dividing disc assembly comprises a spring dividing disc support frame, a spring centering cylinder, a spring centering shifting block and a spring rotating disc; the spring centering shifting block is arranged at the moving part of the spring centering cylinder, the spring centering shifting block is positioned between the spring conveying vibration disc and the spring rotating disc, the cross section of the spring centering shifting block is L-shaped, and a shifting head of the spring centering shifting block is provided with a matched centering inclined plane; the spring transfer assembly is used for transferring the spring to the balance wheel feeding device.

Preferably, the spring transfer assembly comprises a spring transfer bracket, a spring transfer rotating cylinder, a spring transfer moving cylinder and a spring clamping cylinder; the spring transfer support is arranged on the rack and located on the inner side of the spring dividing plate assembly, the spring transfer rotary cylinder is arranged on the spring transfer support, the spring transfer movable cylinder is arranged on a rotating part of the spring transfer rotary cylinder through a rotating connecting plate, the spring clamp clamping cylinder is arranged on a moving part of the spring transfer movable cylinder through clamp clamping connecting plates, two spring clamp clamping heads are arranged on the spring clamp clamping cylinder, and the two spring clamp clamping heads are provided with semicircular spring clamp clamping grooves.

Preferably, the balance wheel feeding device comprises a balance wheel conveying vibration plate, a balance wheel positioning assembly and a balance wheel transferring assembly; the balance wheel conveying vibration plate is arranged on the rack, and the balance wheel positioning assembly comprises a positioning support and a balance wheel connecting plate; the positioning support is arranged on the rack and located on the outer side of the second station, the balance wheel connecting plate is arranged at the top of the positioning support, the left side of the balance wheel connecting plate is connected with the discharge end of the balance wheel conveying vibration plate, the rear side of the balance wheel connecting plate is connected with the spring feeding device, a balance wheel limiting groove is formed in the balance wheel connecting plate, a spring loading opening is formed in the rear side of the balance wheel limiting groove, and a pressure spring inclined U-shaped groove is formed below the spring loading opening; the balance wheel transfer assembly comprises a balance wheel transfer support, a balance wheel transfer electric cylinder, a first balance wheel transfer lifting cylinder, a balance wheel transfer rotating cylinder, a second balance wheel transfer lifting cylinder, a suction head connecting plate, a balance wheel suction head, a pressure spring deflection cylinder and a pressure spring deflection plate; the balance wheel transfer support is arranged on the frame, the balance wheel transfer electric cylinder is transversely arranged at the top of the balance wheel transfer support, the first balance wheel transfer lifting cylinder is arranged on the moving part of the balance wheel transfer electric cylinder, the balance wheel transfer rotating cylinder is arranged on the moving part of the first balance wheel transfer lifting cylinder, the rotating part of the balance wheel transfer rotating cylinder is connected with a balance wheel transfer connecting seat, the second balance wheel transfer lifting cylinder is arranged on the balance wheel transfer connecting seat, the suction head connecting plate is arranged on the moving part of the second balance wheel transfer lifting cylinder, the balance wheel suction head of the suction head is arranged at the bottom of the balance wheel connecting plate, the middle part of the rear side of the balance wheel suction head is provided with a pressure spring slanting striking groove, the pressure spring slanting cylinder is arranged at the rear part of the suction head connecting plate, the pressure spring slanting striking plate is arranged on the moving part of the pressure spring slanting cylinder, and the pressure spring slanting striking plate is positioned in the pressure spring slanting groove, the bottom of the pressure spring sloping plate is provided with a semicircular pressure spring sloping notch, and the pressure spring sloping plate is matched with the pressure spring sloping U-shaped groove.

Preferably, the assembly reset detection device comprises a detection bracket, a detection lifting cylinder, a detection front-back moving cylinder and a detection frame; the detection support is arranged on the rack and located on the outer side of the third station, the detection lifting cylinder is arranged on the detection support, the detection front-and-back moving cylinder is arranged on a moving portion of the detection lifting cylinder through a detection connecting rod, the detection frame is arranged on the front portion of the detection front-and-back moving cylinder, and a reset detection head is arranged on the detection frame.

Preferably, the finished product blanking device comprises a finished product blanking bracket, a finished product blanking horizontal electric cylinder, a finished product blanking horizontal supporting seat, a finished product blanking moving frame, a finished product blanking lifting cylinder and a finished product blanking clamping jaw cylinder; the finished product blanking support is arranged on the rack and located outside the fourth station, the finished product blanking horizontal electric cylinder is arranged at the top of the finished product blanking support, the finished product blanking horizontal support seat is arranged at the moving part of the finished product blanking horizontal electric cylinder, two moving guide rods on the finished product blanking moving frame are located in two sides of the finished product blanking horizontal support seat, the finished product blanking lifting cylinder is arranged in the middle of the finished product blanking horizontal support seat, the bottom of the finished product blanking lifting cylinder is connected with the top surface of the bottom of the finished product blanking moving frame through a finished product connecting frame, the finished product blanking clamping jaw cylinder is arranged at the bottom of the finished product blanking moving frame, the finished product blanking cylinder is arranged at the lower part of the finished product blanking support, the moving part of the finished product blanking cylinder is connected with a finished product sliding channel, and the discharge end of the finished product sliding channel is connected with a finished product storage frame; a waste channel is arranged below the finished product sliding channel on the rack, and a waste storage box is arranged at the discharge end of the waste channel.

A production method of a locking device of an automobile safety belt retractor sequentially comprises the following steps:

ratchet wheel feeding: conveying a ratchet wheel a onto a ratchet wheel supporting frame through a ratchet wheel conveying vibration disc in a ratchet wheel feeding device, driving a ratchet wheel lifting cylinder to move above the ratchet wheel a through a ratchet wheel horizontal moving cylinder, driving an L-shaped correction plate to press down to the ratchet wheel a through the ratchet wheel lifting cylinder for correction, driving a transfer front-back moving supporting seat to move above the ratchet wheel a through a ratchet wheel front-back moving electric cylinder after correction, driving a ratchet wheel suction head at the bottom of the transfer lifting moving frame to suck the ratchet wheel a through the ratchet wheel transfer lifting cylinder, and conveying the ratchet wheel a onto a station jig of a first station on a rotating disc;

(II) spring feeding: the method comprises the steps that a station jig of a first station is rotated to a second station, a spring b is conveyed into a spring groove of a spring rotating disc through a spring conveying vibration disc in a spring feeding device, a spring centering shifting block is driven to center the spring b through a spring centering cylinder, the spring rotating disc is driven to rotate to a joint with a spring transfer assembly through a rotating disc driving module, a spring transfer moving cylinder is driven to rotate to the spring b through the spring transfer rotating cylinder, the spring transfer moving cylinder drives a spring clamping cylinder to horizontally position, the spring clamping cylinder clamps the spring b, and the spring b is conveyed to a balance wheel feeding device in a rotating mode through the cooperation of the spring transfer moving cylinder and the spring transfer rotating cylinder;

and (III) assembling the ratchet wheel, the balance wheel and the spring: conveying a balance wheel c into a balance wheel limiting groove of a balance wheel connecting plate by a balance wheel conveying vibration plate in a balance wheel feeding device, feeding a spring b into the balance wheel limiting groove of the balance wheel connecting plate through a spring feeding device through a spring loading port and inserting the spring b onto a convex head of the balance wheel c, driving a pressure spring deflection cylinder to move to the position above the spring b through a balance wheel transfer electric cylinder, driving a pressure spring deflection plate to press downwards to enter a pressure spring deflection U-shaped groove by the pressure spring deflection cylinder, deflecting the spring b, driving a balance wheel suction head on a suction head connecting plate to suck the balance wheel c with the spring b in the balance wheel limiting groove through a second balance wheel transfer lifting cylinder after deflection, driving the balance wheel c to ascend through a first balance wheel transfer lifting cylinder, and loading a balance wheel c and spring b assembly into a ratchet wheel a of a second station 202 through the balance wheel transfer electric cylinder and the balance wheel transfer rotating cylinder;

(IV) detecting and blanking: the assembly part of the second station is rotated to the third station, the reset detection head on the reset detection device is assembled for reset detection, the assembly part of the third station is rotated to the fourth station after detection, the assembly part is moved to the position above the fourth station 204 through a finished product blanking horizontal electric cylinder in the finished product blanking device, the finished product blanking clamping jaw air cylinder is driven by the finished product blanking lifting air cylinder to grab a finished product, and qualified products and unqualified products are respectively processed.

According to the production equipment of the locking device of the automobile safety belt retractor, the ratchet wheel is conveniently corrected through the L-shaped correction plate of the ratchet wheel correction assembly in the ratchet wheel feeding device, so that better adsorption is facilitated, the adsorption firmness of the ratchet wheel is improved, and the stability of the ratchet wheel in the transfer process is improved; the spring centering shifting block is driven by the spring centering cylinder in the spring feeding device to center the spring, so that the spring is prevented from falling off, and the transfer precision and the transfer efficiency of the spring are further improved conveniently by the spring transfer moving cylinder and the spring transfer rotating cylinder, so that the stability in the transfer process is improved; the spring is conveniently loaded through the spring loading port in the balance wheel loading device, the pressure spring tilting cylinder is driven to drive the pressure spring tilting plate to tilt the spring, the spring is prevented from falling off, the balance wheel and the ratchet wheel are convenient to assemble, the assembling precision between the balance wheel and the ratchet wheel is improved, the transfer efficiency is improved through the balance wheel transfer assembly, the parts are prevented from falling off in the transfer process, and the stability in the transfer process is improved; the assembly quality is improved through the assembly reset detection device; qualified products and unqualified products can be conveniently distinguished through the finished product blanking device, follow-up better treatment is facilitated, and the treatment efficiency and the treatment quality are improved. To sum up, the advantage of this patent is that this equipment realizes the automatic assembly of ratchet, spring and balance, reduces workman intensity of labour when promoting the packaging efficiency to promote the equipment quality.

Drawings

Fig. 1 is a schematic structural diagram of production equipment of a locking device of an automobile safety belt retractor.

Fig. 2 is a schematic structural diagram of the station jig and the assembly parts.

Fig. 3 is a schematic structural view of the ratchet wheel feeding device.

Fig. 4 is a schematic structural diagram of the spring feeding device.

Fig. 5 is a schematic structural view of the balance wheel feeding device.

Fig. 6 is a schematic structural diagram of the assembled reset detection device.

Fig. 7 is a schematic structural diagram of a finished product blanking device.

Detailed Description

The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.

As shown in fig. 1, the production equipment for the locking device of the automobile safety belt retractor comprises a frame 1, an index plate device 2, a ratchet wheel feeding device 3, a spring feeding device 4, a balance wheel feeding device 5, an assembly reset detection device 6 and a finished product discharging device 7; the index plate device 2, the ratchet wheel feeding device 3, the spring feeding device 4, the balance wheel feeding device 5, the assembly reset detection device 6 and the finished product blanking device 7 are respectively arranged on the frame 1; the indexing disc device 2 is provided with four stations, and each station is provided with a station jig 21; the four stations are respectively a first station 201, a second station 202, a third station 203 and a fourth station 204; the ratchet wheel feeding device 3 is positioned outside the first station 201, and the ratchet wheel feeding device 3 is used for conveying a ratchet wheel to the station jig 21 of the first station 201; the balance wheel feeding device 5 is located on the outer side of the second station 202, the spring feeding device 4 is located on the outer side between the second station 202 and the third station 203, and the spring feeding device 4 is used for conveying a spring to a balance wheel of the balance wheel feeding device 5 and assembling the spring and the balance wheel; the balance wheel feeding device 5 is used for conveying the assembly parts of the spring and the balance wheel to the ratchet wheel and assembling; the assembly resetting detection device 6 is positioned outside the third station 203, and the assembly resetting detection device 6 is used for carrying out assembly detection on the finished product; the finished product blanking device 7 is located outside the fourth station 204, and the finished product blanking device 7 is used for blanking the finished product.

As shown in fig. 1 and 2, a ratchet wheel a, a spring b and a balance wheel c in fig. 2 are parts to be assembled, a rotating disc 20 is arranged on an indexing disc device 2, four station jigs 21 are regularly arranged on the outer side of the rotating disc 20 in the circumferential direction, the cross section of each station jig 21 is in an i shape, a limiting groove 211 is formed in the middle of each station jig 21, the ratchet wheel a is located in the limiting groove 211, a positioning pin 212 is arranged at the center of each limiting groove 211 on each station jig 21, the center of the ratchet wheel a is sleeved on the positioning pin 212, a feeding pin 213 is arranged at the upper part of each limiting groove 211 on each station jig 21, the upper part of the ratchet wheel a is sleeved on the feeding pin 213, and the spring b is assembled between a convex block of the ratchet wheel a and a convex head of the balance wheel c, so that the automatic assembly of the ratchet wheel a, the spring b and the balance wheel c is realized.

As shown in fig. 1 and 3, the ratchet wheel feeding device 3 comprises a ratchet wheel conveying vibration disc, a ratchet wheel support frame 30, a ratchet wheel correcting assembly 31 and a ratchet wheel transferring assembly 32; the ratchet support frame 30 is connected with the discharge end of the ratchet conveying vibration disc, and ratchet materials are conveyed into the ratchet support frame 30 through the ratchet conveying vibration disc and are positioned on the ratchet support frame, so that correction and transfer are facilitated. The ratchet correction component 31 is positioned on one side of the ratchet support frame, and the ratchet conveyed into the ratchet correction component 31 is corrected to prevent deviation, so that the assembly is better carried out. The ratchet correction component 31 comprises a ratchet correction support frame 311, a ratchet horizontal moving cylinder 312, a ratchet lifting cylinder 313, a ratchet guide seat 314 and a middle position limiting cylinder 315; the ratchet correction support frame 311 is fixedly arranged at the rear part of the frame 1, the ratchet horizontal moving cylinder 312 is arranged on the ratchet correction support frame 311 through the ratchet horizontal fixing block, and the horizontal moving positioning is realized through the ratchet horizontal moving cylinder 312. The ratchet lifting cylinder 313 is arranged on the moving part of the ratchet horizontal moving cylinder 312 through a ratchet cylinder connecting block, and the lifting movement positioning is realized through the ratchet lifting cylinder 313. An L-shaped correction plate 3131 is disposed at the top of the ratchet lifting cylinder 313, a ratchet fitting notch 3132 is disposed at the lower portion of the L-shaped correction plate 3131, and the ratchet fitting notch 3132 is fitted with the outer profile of the ratchet a, so that the ratchet a is corrected to a correct position, and the smoothness and accuracy of assembly are improved. The ratchet wheel guide seat 314 is fixedly arranged at the front part of the machine frame 1, the ratchet wheel guide seat 314 is connected with a middle position fixing block 3141 through two guide rods, a middle position limiting cylinder 315 is arranged at the middle part of the middle position fixing block 3141, and the limiting in the correcting process is realized through the middle position limiting cylinder 315. The removal portion of the spacing cylinder 315 of meso position is provided with meso position stopper 316, and meso position stopper 316 passes ratchet guide 314, and the removal with ratchet horizontal migration cylinder 312 through meso position stopper 316 is spacing to more accurate correcting promotes correction efficiency and correction precision.

The ratchet transfer assembly 32 is used for transferring the corrected ratchet, and the ratchet transfer assembly 32 comprises a ratchet transfer bracket 321, a ratchet forward-backward movement electric cylinder 322, a transfer forward-backward movement supporting seat 323, a transfer lifting moving frame 324, a ratchet transfer lifting cylinder 325 and a ratchet suction head 326; the ratchet transfer support 321 is arranged on the frame 1, the ratchet forward-backward moving electric cylinder 322 is fixedly arranged at the top of the ratchet transfer support 321, forward-backward transfer positioning is realized through the ratchet forward-backward moving electric cylinder 322, and positioning precision is improved. The transfer forward-backward movement supporting seat 323 is arranged on a moving part of the ratchet forward-backward movement electric cylinder 322, and the support and the stability are improved through the transfer forward-backward movement supporting seat 323, so that the stability in the transfer process is improved conveniently, and the ratchet a is prevented from falling on the way. The two moving guide rods on the transfer lifting moving frame 324 are positioned in two sides of the transfer front-back moving support base 323, the ratchet transfer lifting cylinder 325 is arranged in the middle of the transfer front-back moving support base 323, the bottom of the ratchet transfer lifting cylinder 325 is connected with the top surface of the bottom of the transfer lifting moving frame 324 through a lifting cylinder connecting frame, and the ratchet transfer lifting cylinder 325 drives the transfer lifting moving frame 324 to move up and down in the transfer front-back moving support base 323, so that the lifting positioning precision is improved, and the ratchet can be better sucked and put down. The ratchet suction head 326 is arranged at the bottom of the transfer lifting moving frame 324, a suction pipe of the ratchet suction head 326 penetrates through the bottom plate of the transfer lifting moving frame 324, three ratchet suction nozzles 3261 are arranged on the ratchet suction head 326, and suction force is improved through the three ratchet suction nozzles 3261 on the ratchet suction head 326, so that a ratchet wheel a is sucked better, and the suction firmness and the transfer stability in the transfer process are improved.

During operation, the ratchet wheel a is conveyed to the ratchet wheel supporting frame 30 through the ratchet wheel conveying vibration disc, the ratchet wheel horizontal moving cylinder 312 drives the ratchet wheel lifting cylinder 313 to perform horizontal positioning and move to the upper part of the ratchet wheel a, the ratchet wheel lifting cylinder 313 drives the L-shaped correction plate 3131 to press down on the ratchet wheel a, the middle position limiting cylinder 315 limits the horizontal moving cylinder 312, the L-shaped correction plate 3131 corrects the position of the ratchet wheel a, after correction, the ratchet wheel forward-backward moving electric cylinder 322 drives the transfer forward-backward moving supporting seat 323 to move to the upper part of the ratchet wheel a, and the ratchet wheel transfer lifting cylinder 325 drives the ratchet wheel suction head 326 at the bottom of the transfer lifting moving frame 324 to suck the ratchet wheel a and convey the ratchet wheel a to the station jig 21 of the first station 201 on the rotating disc 20.

This ratchet loading attachment 3 has solved ratchet a and has carried the position inaccurate to lead to shifting unable accurate absorption, and lead to the problem that ratchet a drops easily in shifting.

This ratchet loading attachment 3 corrects the board 3131 through the L type of ratchet correction subassembly 31 and is convenient for correct ratchet a to be convenient for better absorption, promote the absorptive fastness of ratchet a, promote the stability of ratchet a in the transfer process.

As shown in fig. 1 and 4, the spring feeding device 4 comprises a spring conveying vibration disc, a spring dividing disc assembly 41 and a spring transfer assembly 42; the spring conveying vibration disc is arranged on the machine frame 1, and the spring indexing disc assembly 41 comprises a spring indexing disc support frame 411, a spring centering cylinder 412, a spring centering shifting block 413 and a spring rotating disc 414; the spring indexing disc support frame 411 is arranged on the machine frame 1, the spring rotating disc 414 is arranged on the spring indexing disc support frame 411 through the rotating disc driving module, four spring grooves 4141 are regularly arranged on the side part of the spring rotating disc 414 in the circumferential direction, the spring grooves 4141 are connected with the discharge end of the spring conveying vibration disc, and the conveyed springs b can be conveniently loaded into the spring grooves 4141. The spring centering cylinder 412 is obliquely arranged at the feeding end part of the spring dividing plate supporting frame 411, and the spring b is conveniently centered and adjusted through the spring centering cylinder 412, so that the adjustment flexibility is improved. Spring centering shifting block 413 is arranged at the moving part of spring centering cylinder 412, and spring centering shifting block 413 is located between spring conveying vibration disc and spring rotating disc 414, and spring centering shifting block 413 is convenient for better cooperating with spring b. The cross section of the spring centering shifting block 413 is L-shaped, and a shifting head of the spring centering shifting block 413 is provided with a matching centering inclined plane 4131, so that the centering efficiency is improved by matching the centering inclined plane 4131.

The spring transfer assembly 42 is used for transferring a spring to the balance wheel feeding device 5, and the spring transfer assembly 42 comprises a spring transfer bracket 421, a spring transfer rotating cylinder 422, a spring transfer moving cylinder 423 and a spring clamping cylinder 424; spring shifts support 421 sets up on frame 1 and is located spring graduated disk subassembly 41 inboard, and spring shifts revolving cylinder 422 sets up on spring shifts support 421, and spring shifts and removes cylinder 423 and set up on the rotating part of spring shifts revolving cylinder 422 through rotation connecting plate 4231, shifts revolving cylinder 422 through the spring and drives spring shift and remove cylinder 423 and carry out the angle and shift. The spring clamping cylinder 424 is arranged on a moving part of the spring transfer moving cylinder 423 through a clamping connecting plate 4240, and the spring clamping cylinder 424 is driven to move and position through the spring transfer moving cylinder 423. The spring clamping cylinder 424 is provided with two spring clamping heads, and the springs are clamped conveniently through the two spring clamping heads. Both spring clamping heads are provided with semicircular spring clamping grooves 4241, and the semicircular spring clamping grooves 4241 are convenient to be matched with the spring b better.

During operation, carry spring b to the spring groove 4141 of spring rotating disk 414 in through spring conveying vibration dish, it rights shifting block 413 with spring b to drive spring right to right through spring right cylinder 412, prevent that spring b from dropping, it rotates to the department of linking up with spring transfer subassembly 42 to drive spring rotating disk 414 through rotary disk drive module, it rotates to spring b department to drive spring transfer moving cylinder 423 through spring transfer rotating cylinder 422, it presss from both sides cylinder 424 and carries out horizontal positioning to drive spring clamp through spring transfer moving cylinder 423, it presss from both sides spring b to press from both sides cylinder 424 through spring clamp, the rethread spring transfer moving cylinder 423 and spring transfer rotating cylinder 422 carry spring b rotation to balance loading attachment 5 on.

The spring feeding device 4 solves the problems that the spring is easy to drop and the spring is not conveyed in place in the spring conveying process.

This spring loading attachment 4 drives spring centering shifting block 413 through spring centering cylinder 412 and rights the spring, prevents that spring b from dropping to shift moving cylinder 423 and spring transfer revolving cylinder 422 through the spring and be convenient for further promote spring b's transfer precision and transfer efficiency, promote the stability of transfer in-process.

As shown in fig. 1 and 5, balance wheel feeding device 5 includes a balance wheel feeding vibrating plate, a balance wheel positioning assembly 51, and a balance wheel transfer assembly 52; the balance wheel conveying vibrating plate is arranged on the stander 1, and the balance wheel positioning assembly 51 comprises a positioning bracket 511 and a balance wheel connecting plate 512; the positioning support 511 is arranged on the frame 1 and located outside the second station 202, the balance wheel connecting plate 512 is arranged at the top of the positioning support 511, the left side of the balance wheel connecting plate 512 is connected with the discharge end of the balance wheel conveying vibrating plate, and the balance wheel c is conveyed to the balance wheel connecting plate 512 through the balance wheel conveying vibrating plate. The rear side of the balance engaging plate 512 engages with the spring loading device 4, facilitating the loading of the spring b onto the balance c. The balance wheel connection plate 512 is provided with a balance wheel limit groove 5121, and the balance wheel is fixed conveniently through the balance wheel limit groove 5121, so that the assembly stability is improved. A spring insertion opening 5122 is provided at the rear side of the balance limit groove 5121, and the spring b is easily inserted through the spring insertion opening 5122. A pressure spring inclined U-shaped groove 5123 is arranged below the spring loading opening 5122; the balance wheel transfer assembly 52 comprises a balance wheel transfer bracket 521, a balance wheel transfer electric cylinder 522, a first balance wheel transfer lifting cylinder 523, a balance wheel transfer rotating cylinder 524, a second balance wheel transfer lifting cylinder 525, a suction head connecting plate 526, a balance wheel suction head 527, a pressure spring deflection cylinder 528 and a pressure spring deflection plate 529; a balance transfer roller 521 is provided on the chassis 1, and a balance transfer cylinder 522 is provided laterally on the top of the balance transfer roller 521, and is moved laterally and positioned by the balance transfer cylinder 522. The first balance wheel transfer lifting cylinder 523 is provided at a moving portion of the balance wheel transfer electric cylinder 522, and the balance wheel transfer electric cylinder 522 drives the first balance wheel transfer lifting cylinder 523 to perform horizontal positioning. The balance wheel transfer rotating cylinder 524 is provided at a moving portion of the first balance wheel transfer lifting cylinder 523, and the balance wheel transfer rotating cylinder 524 is driven by the first balance wheel transfer lifting cylinder 523 to perform lifting movement positioning. A balance transfer connecting base 5241 is connected to a rotating portion of the balance transfer rotating cylinder 524, and a second balance transfer lifting cylinder 525 is provided on the balance transfer connecting base 5241, and the second balance transfer lifting cylinder 525 is driven by the balance transfer rotating cylinder 524 to perform rotational positioning. The suction head connection plate 526 is disposed on the moving part of the second balance wheel transfer lifting cylinder 525, and the suction head connection plate 526 is driven by the second balance wheel transfer lifting cylinder 525 to be lifted and positioned. The balance wheel suction head 527 is arranged at the bottom of the suction head connecting plate 526, a pressure spring slanting groove 5271 is formed in the middle of the rear side of the balance wheel suction head 527, a pressure spring slanting cylinder 528 is arranged at the rear part of the suction head connecting plate 526, a pressure spring slanting plate 529 is arranged on a moving part of the pressure spring slanting cylinder 528, the pressure spring slanting plate 529 is located in the pressure spring slanting groove 5271, and the pressure spring slanting cylinder 528 drives the pressure spring slanting plate 529 to move up and down in the pressure spring slanting groove 5271, so that the spring b is conveniently slanted. The bottom of the pressure spring sloping plate 529 is provided with a semicircular pressure spring sloping notch 5291, and the pressure spring sloping plate 529 is matched with the pressure spring sloping U-shaped groove 5123.

When the device works, the balance wheel c is conveyed into the balance wheel limiting groove 5121 of the balance wheel connecting plate 512 through the balance wheel conveying vibration plate, the spring b is fed from the spring loading port 5122 through the spring feeding device 4 and is inserted into a convex head of the balance wheel c, the pressure spring tilting cylinder 528 is driven by the balance wheel transfer electric cylinder 522 to move to the position above the spring b, the pressure spring tilting cylinder 528 drives the pressure spring tilting plate 529 to press downwards to enter the pressure spring tilting U-shaped groove 5123 to tilt the spring b, after tilting, the balance wheel suction head 527 on the suction head connecting plate 526 is driven by the second balance wheel transfer lifting cylinder 525 to suck the balance wheel c with the spring b in the balance wheel limiting groove 5121, the balance wheel c is driven to ascend by the first balance wheel transfer lifting cylinder 523, and the balance wheel transfer electric cylinder 522 and the balance wheel transfer rotating cylinder 524 are used for loading the balance wheel c and spring b assembly into the ratchet wheel a of the second station 202.

The balance wheel feeding device 5 solves the problems of manual assembly of the spring b and the balance wheel c, dropping of the balance wheel c during transportation, and assembly accuracy of the balance wheel c and the ratchet wheel a.

This balance loading attachment 5 is convenient for pack spring b into through spring loading mouth 5122 to drive the pressure spring through pressure spring skew cylinder 528 and beat the board 529 the spring to beat to one side, not only prevents that spring b from dropping, and the equipment between balance b and the ratchet a of being convenient for promotes the assembly precision between the two, shifts subassembly 52 through the balance and promotes the transfer efficiency, and prevents dropping of transfer in-process part, promotes the stability of transfer in-process.

As shown in fig. 1 and 6, the assembly reset detection device 6 includes a detection bracket 61, a detection lifting cylinder 62, a detection forward-backward movement cylinder 63, and a detection frame 64; the detection bracket 61 is arranged on the frame 1 and located outside the third station 203, the detection lifting cylinder 62 is arranged on the detection bracket 61, the detection front-back moving cylinder 63 is arranged on a moving part of the detection lifting cylinder 62 through a detection connecting rod 631, the detection frame 64 is arranged in front of the detection front-back moving cylinder 63, and the detection frame 64 is provided with a reset detection head 641.

During operation, the detection lifting cylinder 62 drives the detection front-and-back moving cylinder 63 to lift, the detection front-and-back moving cylinder 63 drives the detection frame 64 to move front and back, and the reset detection head 641 is used for reset detection.

The assembly reset detection device 6 improves the assembly quality.

As shown in fig. 1 and 7, the finished product blanking device 7 includes a finished product blanking bracket 71, a finished product blanking horizontal electric cylinder 72, a finished product blanking horizontal support seat 73, a finished product blanking moving frame 74, a finished product blanking lifting cylinder 75, and a finished product blanking clamping jaw cylinder 76; finished product unloading support 71 sets up in frame 1, and is located the fourth station 204 outside, and finished product unloading horizontal electric jar 72 sets up the top at finished product unloading support 71, and finished product unloading horizontal supporting seat 73 sets up the removal portion at finished product unloading horizontal electric jar 72, drives finished product unloading horizontal supporting seat 73 through finished product unloading horizontal electric jar 72 and carries out horizontal migration. Two moving guide rods on the finished product blanking moving frame 74 are positioned in two sides of the finished product blanking horizontal supporting seat 73, a finished product blanking lifting cylinder 75 is arranged in the middle of the finished product blanking horizontal supporting seat 73, the bottom of the finished product blanking lifting cylinder 75 is connected with the top surface of the bottom of the finished product blanking moving frame 74 through a finished product connecting frame, and the finished product blanking moving frame 74 is driven to move up and down through the finished product blanking lifting cylinder 75. And a finished product blanking clamping jaw cylinder 76 is arranged at the bottom of the finished product blanking moving frame 74, and a finished product is grabbed and blanked through the finished product blanking clamping jaw cylinder 76. A finished product blanking cylinder 77 is arranged at the lower part of the finished product blanking support 71, the moving part of the finished product blanking cylinder 77 is connected with a finished product sliding channel 771, and the discharging end of the finished product sliding channel 771 is connected with a finished product accommodating frame 772; a waste channel 78 is arranged below the finished product sliding channel 771 on the rack 1, and a waste storage box 781 is arranged at the discharge end of the waste channel 78.

During operation, remove to fourth station 204 top through finished product unloading horizontal electric cylinder 72, drive finished product unloading clamping jaw cylinder 76 through finished product unloading lift cylinder 75 and snatch the finished product, if for certified products, shift the finished product to on finished product gliding channel 771 and glide to finished product accomodate on the frame 772, if for nonconforming product, drive finished product gliding channel 771 through finished product unloading cylinder 77 and move away, fall into in the waste product passageway 78 with nonconforming product and retrieve waste product containing box 781 and handle.

This finished product unloader 7 is convenient for carry out qualified and unqualified differentiation with the product of production, and the better processing of follow-up of being convenient for promotes treatment effeciency and treatment quality.

A production method of production equipment of a locking device of an automobile safety belt retractor sequentially comprises the following steps:

ratchet wheel feeding: the ratchet a is conveyed to the ratchet supporting frame 30 through a ratchet conveying vibration disc in the ratchet feeding device 3, the ratchet horizontal moving cylinder 312 drives the ratchet lifting cylinder 313 to move above the ratchet a, the ratchet lifting cylinder 313 drives the L-shaped correction plate 3131 to press down to the ratchet a for correction, after correction, the ratchet front-back moving electric cylinder 322 drives the transfer front-back moving supporting seat 323 to move above the ratchet a, and the ratchet transfer lifting cylinder 325 drives the ratchet suction head 326 at the bottom of the transfer lifting moving frame 324 to suck the ratchet a and convey the ratchet a to the station jig 21 of the first station 201 on the rotating disc 20;

(II) spring feeding: the station jig 21 of the first station 201 is rotated to the second station 202, the spring b is conveyed into a spring groove 4141 of a spring rotating disc 414 through a spring conveying vibration disc in the spring feeding device 4, the spring centering shifting block 413 is driven to center the spring b through a spring centering cylinder 412, the spring rotating disc 414 is driven to rotate to a joint with a spring transfer assembly 42 through a rotating disc driving module, a spring transfer moving cylinder 423 is driven to rotate to the spring b through a spring transfer rotating cylinder 422, a spring clamping cylinder 424 is driven to horizontally position through the spring transfer moving cylinder 423, the spring clamping cylinder 424 clamps the spring b, and the spring b is conveyed to the balance wheel feeding device 5 in a rotating mode through the cooperation of the spring transfer moving cylinder 423 and the spring transfer rotating cylinder 422;

and (III) assembling the ratchet wheel, the balance wheel and the spring: the balance c is conveyed into a balance limiting groove 5121 of the balance connecting plate 512 by a balance conveying vibrating plate in the balance feeding device 5, the spring b is fed from a spring loading opening 5122 by the spring feeding device 4 and is inserted into a convex head of the balance c, the balance wheel transfer electric cylinder 522 drives the pressure spring tilting cylinder 528 to move to the position above the spring b, the pressure spring tilting cylinder 528 drives the pressure spring tilting plate 529 to press downwards to enter the pressure spring tilting U-shaped groove 5123, the spring b is tilted, after being tilted, the balance wheel sucker 527 on the sucker connecting plate 526 is driven by the second balance wheel transfer lifting cylinder 525 to suck the balance wheel c with the spring b arranged in the balance wheel limiting groove 5121, the balance wheel c is driven to ascend through the first balance wheel transfer ascending and descending cylinder 523, and the assembly of the balance wheel c and the spring b is loaded into the ratchet wheel a of the second station 202 through the balance wheel transfer electric cylinder 522 and the balance wheel transfer rotating cylinder 524;

(IV) detecting and blanking: the assembly part of the second station 202 is rotated to the third station 203, the assembly part is reset and detected through the reset detection head 641 on the assembly reset detection device 6, the assembly part of the third station 203 is rotated to the fourth station 204 after detection, the assembly part is moved to the upper side of the fourth station 204 through the finished product blanking horizontal electric cylinder 72 in the finished product blanking device 7, the finished product blanking clamping jaw air cylinder 76 is driven by the finished product blanking lifting air cylinder 75 to grab a finished product, and qualified products and unqualified products are respectively processed.

The equipment is convenient for correcting the ratchet wheel a through the L-shaped correcting plate 3131 of the ratchet wheel correcting component 31 in the ratchet wheel feeding device 3, so that better adsorption is facilitated, the adsorption firmness of the ratchet wheel a is improved, and the stability of the ratchet wheel a in the transfer process is improved; the spring centering shifting block 413 is driven by the spring centering cylinder 412 in the spring feeding device 4 to center the spring, so that the spring b is prevented from falling off, and the transfer precision and the transfer efficiency of the spring b are further improved by the spring transfer moving cylinder 423 and the spring transfer rotating cylinder 422, and the stability in the transfer process is improved; the spring b is conveniently loaded through the spring loading port 5122 in the balance wheel loading device 5, the pressure spring inclined plate 529 is driven to incline the spring through the pressure spring inclined cylinder 528, the spring b is prevented from falling off, the assembly between the balance wheel b and the ratchet wheel a is facilitated, the assembly precision between the balance wheel b and the ratchet wheel a is improved, the transfer efficiency is improved through the balance wheel transfer assembly 52, the falling of parts in the transfer process is prevented, and the stability in the transfer process is improved; the assembly quality is improved by the assembly reset detection device 6; qualified products and unqualified products can be distinguished conveniently through the finished product blanking device 7, subsequent better treatment is facilitated, and the treatment efficiency and the treatment quality are improved.

In summary, the automatic assembly of the ratchet wheel, the spring and the balance wheel is realized, the labor intensity of workers is reduced while the assembly efficiency is improved, and the assembly quality is improved.

Claims

1. Production equipment of a locking device of an automobile safety belt retractor is characterized by comprising a rack (1), an index plate device (2), a ratchet wheel feeding device (3), a spring feeding device (4), a balance wheel feeding device (5), an assembly reset detection device (6) and a finished product discharging device (7); the index plate device (2), the ratchet wheel feeding device (3), the spring feeding device (4), the balance wheel feeding device (5), the assembly reset detection device (6) and the finished product discharging device (7) are respectively arranged on the rack (1); the indexing disc device (2) is provided with four stations, and each station is provided with a station jig (21); the four stations are respectively a first station (201), a second station (202), a third station (203) and a fourth station (204); the ratchet wheel feeding device (3) is positioned on the outer side of the first station (201), and the ratchet wheel feeding device (3) is used for conveying a ratchet wheel to a station jig (21) of the first station (201); the balance wheel feeding device (5) is located on the outer side of the second station (202), the spring feeding device (4) is located on the outer side between the second station (202) and the third station (203), and the spring feeding device (4) is used for conveying a spring to a balance wheel of the balance wheel feeding device (5) and assembling the spring and the balance wheel; the balance wheel feeding device (5) is used for conveying the assembly parts of the spring and the balance wheel to the ratchet wheel and assembling; the assembly reset detection device (6) is positioned at the outer side of the third station (203), and the assembly reset detection device (6) is used for carrying out assembly detection on the finished product; the finished product blanking device (7) is positioned outside the fourth station (204), and the finished product blanking device (7) is used for blanking a finished product;

the balance wheel feeding device (5) comprises a balance wheel conveying vibration plate, a balance wheel positioning assembly (51) and a balance wheel transferring assembly (52); the balance wheel conveying vibration plate is arranged on the frame (1), and the balance wheel positioning assembly (51) comprises a positioning bracket (511) and a balance wheel connecting plate (512); the positioning support (511) is arranged on the rack (1) and located on the outer side of the second station (202), the balance wheel connecting plate (512) is arranged at the top of the positioning support (511), the left side of the balance wheel connecting plate (512) is connected with the discharge end of the balance wheel conveying vibration disc, the rear side of the balance wheel connecting plate (512) is connected with the spring feeding device (4), a balance wheel limiting groove (5121) is arranged on the balance wheel connecting plate (512), a spring loading port (5122) is arranged on the rear side of the balance wheel limiting groove (5121), and a pressure spring oblique U-shaped groove (5123) is arranged below the spring loading port (5122); the balance wheel transfer assembly (52) comprises a balance wheel transfer support (521), a balance wheel transfer electric cylinder (522), a first balance wheel transfer lifting cylinder (523), a balance wheel transfer rotating cylinder (524), a second balance wheel transfer lifting cylinder (525), a suction head connecting plate (526), a balance wheel suction head (527), a pressure spring inclined cylinder (528) and a pressure spring inclined plate (529); the balance wheel transfer bracket (521) is arranged on the machine frame (1), the balance wheel transfer electric cylinder (522) is transversely arranged at the top of the balance wheel transfer bracket (521), the first balance wheel transfer lifting cylinder (523) is arranged on the moving part of the balance wheel transfer electric cylinder (522), the balance wheel transfer rotating cylinder (524) is arranged on the moving part of the first balance wheel transfer lifting cylinder (523), the rotating part of the balance wheel transfer rotating cylinder (524) is connected with a balance wheel transfer connecting seat (5241), the second balance wheel transfer lifting cylinder (525) is arranged on the balance wheel transfer connecting seat (5241), the suction head connecting plate (526) is arranged on the moving part of the second balance wheel transfer lifting cylinder (525), the suction head (527) is arranged at the bottom of the suction head connecting plate (525), the middle part of the rear side of the balance wheel suction head (527) is provided with a pressure spring beat chute (5271), the pressure spring tilting cylinder (528) is arranged at the rear part of the suction head connecting plate (526), the pressure spring tilting plate (529) is arranged on a moving part of the pressure spring tilting cylinder (528), the pressure spring tilting plate (529) is located in the pressure spring tilting groove (5271), a semicircular pressure spring tilting notch (5291) is formed in the bottom of the pressure spring tilting plate (529), and the pressure spring tilting plate (529) is matched with the pressure spring tilting U-shaped groove (5123).

2. The production equipment of the locking device of the automobile safety belt retractor according to claim 1, wherein a rotating disk (20) is arranged on the index plate device (2), the four station jigs (21) are circumferentially and regularly arranged on the outer side of the rotating disk (20), the section of each station jig (21) is in an I shape, a limiting groove (211) is formed in the middle of each station jig (21), a positioning pin (212) is arranged in the center of each limiting groove (211) on each station jig (21), and a feeding pin (213) is arranged on the upper portion, located in each limiting groove (211), of each station jig (21).

3. The manufacturing equipment of the locking device of the automobile safety belt retractor according to claim 1, wherein the ratchet wheel feeding device (3) comprises a ratchet wheel conveying vibration disc, a ratchet wheel supporting frame (30), a ratchet wheel correcting assembly (31) and a ratchet wheel transferring assembly (32); the ratchet wheel support frame (30) is connected with the discharge end of the ratchet wheel conveying vibration disc, the ratchet wheel correction assembly (31) is positioned on one side of the ratchet wheel support frame, and the ratchet wheel correction assembly (31) comprises a ratchet wheel correction support frame (311), a ratchet wheel horizontal moving cylinder (312), a ratchet wheel lifting cylinder (313), a ratchet wheel guide seat (314) and a middle position limiting cylinder (315); the ratchet correction support frame (311) is fixedly arranged at the rear part of the rack (1), the ratchet horizontal moving cylinder (312) is arranged on the ratchet correction support frame (311) through a ratchet horizontal fixing block, the ratchet lifting cylinder (313) is arranged on the moving part of the ratchet horizontal moving cylinder (312) through a ratchet cylinder connecting block, the top of the ratchet lifting cylinder (313) is provided with an L-shaped correction plate (3131), and the lower part of the L-shaped correction plate (3131) is provided with a ratchet matching notch (3132); the ratchet wheel guide seat (314) is fixedly arranged at the front part of the rack (1), the ratchet wheel guide seat (314) is connected with a middle position fixing block (3141) through two guide rods, a middle position limiting cylinder (315) is arranged in the middle of the middle position fixing block (3141), a middle position limiting block (316) is arranged at the moving part of the middle position limiting cylinder (315), the middle position limiting block (316) penetrates through the ratchet wheel guide seat (314), and the ratchet wheel transfer assembly (32) is used for transferring the corrected ratchet wheel.

4. The manufacturing equipment of the locking device of the automobile seat belt retractor according to claim 3, wherein the ratchet transfer assembly (32) comprises a ratchet transfer bracket (321), a ratchet back-and-forth movement electric cylinder (322), a transfer back-and-forth movement supporting seat (323), a transfer lifting moving frame (324), a ratchet transfer lifting cylinder (325), and a ratchet suction head (326); the ratchet wheel transfer bracket (321) is arranged on the frame (1), the ratchet wheel back-and-forth moving electric cylinder (322) is fixedly arranged at the top of the ratchet wheel transfer bracket (321), the transfer front-back moving support seat (323) is arranged on the moving part of the ratchet front-back moving electric cylinder (322), two moving guide rods on the transfer lifting moving frame (324) are positioned in two sides of the transfer front-back moving supporting seat (323), the ratchet wheel transfer lifting cylinder (325) is arranged in the middle of the transfer front-back moving support seat (323), the bottom of the ratchet wheel transfer lifting cylinder (325) is connected with the top surface of the bottom of the transfer lifting moving frame (324) through a lifting cylinder connecting frame, the ratchet wheel suction head (326) is arranged at the bottom of the transfer lifting moving frame (324), and the suction pipe of the ratchet suction head (326) passes through the bottom plate of the transfer lifting moving frame (324), and a plurality of ratchet suction nozzles (3261) are arranged on the ratchet suction head (326).

5. The manufacturing equipment of the locking device of the automobile safety belt retractor according to claim 1, wherein the spring loading device (4) comprises a spring conveying vibration disc, a spring dividing disc assembly (41) and a spring transfer assembly (42); the spring conveying vibration disc is arranged on the rack (1), and the spring indexing disc assembly (41) comprises a spring indexing disc support frame (411), a spring centering cylinder (412), a spring centering shifting block (413) and a spring rotating disc (414); the spring index plate supporting frame (411) is arranged on the rack (1), the spring rotating disc (414) is arranged on the spring index plate supporting frame (411) through the rotating disc driving module, four spring grooves (4141) are regularly arranged on the side of the spring rotating disc (414) in the circumferential direction, the spring grooves (4141) are connected with the discharge end of the spring conveying vibration disc, the spring centering cylinder (412) is obliquely arranged at the feed end of the spring index plate supporting frame (411), the spring centering shifting block (413) is arranged at the moving part of the spring centering cylinder (412), the spring centering shifting block (413) is positioned between the spring conveying vibration disc and the spring rotating disc (414), the section of the spring centering shifting block (413) is L-shaped, and the shifting head of the spring centering shifting block (413) is provided with a matching centering inclined plane (4131); the spring transfer assembly (42) is used for transferring a spring to the balance wheel feeding device (5).

6. The manufacturing equipment of the locking device of the automobile seat belt retractor according to claim 5, wherein the spring transfer assembly (42) comprises a spring transfer bracket (421), a spring transfer rotating cylinder (422), a spring transfer moving cylinder (423) and a spring clamping cylinder (424); spring transfer support (421) set up frame (1) on and be located spring graduated disk subassembly (41) inboard, spring transfer revolving cylinder (422) set up on spring transfer support (421), spring transfer mobile cylinder (423) set up on the rotating part of spring transfer revolving cylinder (422) through swivel joint board (4231), spring press from both sides and get cylinder (424) and set up on the removal portion of spring transfer mobile cylinder (423) through pressing from both sides connecting plate (4240), be provided with two spring and press from both sides the head on spring press from both sides cylinder (424), two spring are pressed from both sides and are got the head and all be provided with semicircular spring and press from both sides and get groove (4241).

7. The manufacturing equipment of the locking device of the automobile safety belt retractor according to claim 1, wherein the assembly reset detection device (6) comprises a detection bracket (61), a detection lifting cylinder (62), a detection back-and-forth movement cylinder (63) and a detection frame (64); the detecting support (61) is arranged on the frame (1) and located on the outer side of the third station (203), the detecting lifting cylinder (62) is arranged on the detecting support (61), the detecting back-and-forth moving cylinder (63) is arranged on a moving part of the detecting lifting cylinder (62) through the detecting connecting rod (631), the detecting frame (64) is arranged on the front part of the detecting back-and-forth moving cylinder (63), and the detecting frame (64) is provided with a reset detecting head (641).

8. The production equipment of the locking device of the automobile safety belt retractor according to claim 1, wherein the finished product blanking device (7) comprises a finished product blanking bracket (71), a finished product blanking horizontal electric cylinder (72), a finished product blanking horizontal supporting seat (73), a finished product blanking moving frame (74), a finished product blanking lifting cylinder (75) and a finished product blanking clamping jaw cylinder (76); the finished product blanking support (71) is arranged on the machine frame (1) and is positioned outside the fourth station (204), the finished product blanking horizontal electric cylinder (72) is arranged at the top of the finished product blanking support (71), the finished product blanking horizontal support seat (73) is arranged at the moving part of the finished product blanking horizontal electric cylinder (72), two moving guide rods on the finished product blanking moving frame (74) are positioned in two sides of the finished product blanking horizontal support seat (73), the finished product blanking lifting cylinder (75) is arranged in the middle of the finished product blanking horizontal support seat (73), the bottom of the finished product blanking lifting cylinder (75) is connected with the top surface of the bottom of the finished product blanking moving frame (74) through a finished product connecting frame, the finished product blanking clamping jaw cylinder (76) is arranged at the bottom of the finished product blanking moving frame (74), the finished product blanking cylinder (77) is arranged at the lower part of the finished product blanking support (71), the moving part of the finished product blanking cylinder (77) is connected with a finished product sliding channel (771), and the discharging end of the finished product sliding channel (771) is connected with a finished product containing frame (772); a waste channel (78) is arranged below the finished product sliding channel (771) on the rack (1), and a waste storage box (781) is arranged at the discharge end of the waste channel (78).

9. A method for producing a locking device of a seatbelt retractor for a vehicle, characterized in that the method employs the production apparatus of any one of claims 1 to 8, sequentially through the steps of:

ratchet wheel feeding: the ratchet wheel a is conveyed to a ratchet wheel supporting frame (30) through a ratchet wheel conveying vibration disc in a ratchet wheel feeding device (3), a ratchet wheel lifting cylinder (313) is driven to move to the position above the ratchet wheel a through a ratchet wheel horizontal moving cylinder (312), an L-shaped correction plate (3131) is driven to press downwards to the ratchet wheel a through the ratchet wheel lifting cylinder (313) for correction, after correction, a transfer front-back moving supporting seat (323) is driven to move to the position above the ratchet wheel a through a ratchet wheel front-back moving electric cylinder (322), a ratchet wheel a is sucked by a ratchet wheel suction head (326) at the bottom of a transfer lifting moving frame (324) driven by a ratchet wheel transfer lifting cylinder (325), and the ratchet wheel a is conveyed to a station jig (21) of a first station (201) on a rotating disc (20);

spring feeding: the station jig (21) of the first station (201) is rotated to the second station (202), the spring b is conveyed into a spring groove (4141) of the spring rotating disc (414) through a spring conveying vibration disc in the spring feeding device (4), the spring righting cylinder (412) drives the spring righting shifting block (413) to right the spring b, the spring rotating disc (414) is driven to rotate to the joint with the spring transfer component (42) by the rotating disc driving module, the spring transfer moving cylinder (423) is driven to rotate to the position of the spring b by the spring transfer rotating cylinder (422), the spring transfer moving cylinder (423) drives the spring clamping cylinder (424) to horizontally position, a spring clamping cylinder (424) clamps the spring b, and the spring b is rotationally conveyed to a balance wheel feeding device (5) through the cooperation of a spring transfer moving cylinder (423) and a spring transfer rotating cylinder (422);

ratchet, balance and spring assembly: the balance wheel c is conveyed into a balance wheel limiting groove (5121) of a balance wheel connecting plate (512) through a balance wheel conveying vibration plate in a balance wheel feeding device (5), a spring b is fed from a spring loading port (5122) through a spring feeding device (4) and is inserted into a convex head of the balance wheel c, a pressure spring tilting cylinder (528) is driven to move to the upper side of the spring b through a balance wheel transferring electric cylinder (522), a pressure spring tilting cylinder (528) drives a pressure spring tilting plate (529) to downwards enter a pressure spring tilting U-shaped groove (5123), the spring b is tilted, after the spring b is tilted, a balance wheel suction head (527) on a suction head connecting plate (526) is driven by a second balance wheel transferring lifting cylinder (525) to suck the balance wheel c with the spring b in the balance wheel limiting groove (5121), the balance wheel c is driven to ascend through a first balance wheel transferring lifting cylinder (523), and a ratchet wheel assembly of the balance wheel c and the spring b is loaded into a second working position (202 a) of the spring b through the balance wheel transferring electric cylinder (522) and a balance wheel transferring rotating cylinder (524) (ii) a

Detecting and blanking: the assembly part of the second station (202) is rotated to the third station (203), the assembly part is reset through the reset detection head (641) on the assembly reset detection device (6) to be reset and detected, the assembly part of the third station (203) is rotated to the fourth station (204) after detection, the assembly part is moved to the upper side of the fourth station (204) through the finished product blanking horizontal electric cylinder (72) in the finished product blanking device (7), the finished product is grabbed by driving the finished product blanking clamping jaw air cylinder (76) through the finished product blanking lifting air cylinder (75), and qualified products and unqualified products are respectively processed.