CN111230483B - Spring and balance wheel assembling mechanism of locking device of automobile safety belt retractor - Google Patents
Spring and balance wheel assembling mechanism of locking device of automobile safety belt retractor Download PDFInfo
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- CN111230483B CN111230483B CN202010092750.1A CN202010092750A CN111230483B CN 111230483 B CN111230483 B CN 111230483B CN 202010092750 A CN202010092750 A CN 202010092750A CN 111230483 B CN111230483 B CN 111230483B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
- B23P21/006—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed the conveying means comprising a rotating table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/004—Feeding the articles from hoppers to machines or dispensers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/007—Picking-up and placing mechanisms
Abstract
The invention relates to the technical field of safety belt retractors. A spring and balance wheel assembly mechanism of a locking device of an automobile safety belt retractor comprises a spring feeding device and a balance wheel feeding device; the spring feeding device comprises a spring conveying vibration disc, a spring indexing disc assembly and a spring transfer assembly; the spring conveying vibration plate is arranged on the frame, the spring indexing disc assembly is connected with the spring conveying vibration plate, the spring indexing disc assembly is used for conveying the spring, the spring transfer assembly is used for transferring the spring to the balance wheel feeding device, and the balance wheel feeding device comprises a balance wheel conveying vibration plate, a balance wheel positioning assembly and a balance wheel transfer assembly; the balance wheel conveying vibration plate is arranged on the rack, the balance wheel positioning assembly is connected with the balance wheel conveying vibration plate, the balance wheel positioning assembly is used for positioning the balance wheel and assembling the balance wheel with the spring, and the balance wheel transferring assembly is used for transferring the balance wheel. The advantage of this patent is the automatic equipment of this mechanism spring and balance, promotes the assembly efficiency and the equipment precision between spring and the balance.
Description
Technical Field
The invention relates to the technical field of safety belt retractors, in particular to a spring and balance wheel assembling mechanism of 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, the discharge port of the pawl bin 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 timeoIs 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.
At present, the spring and the balance wheel are assembled manually, so that the efficiency is low, and the assembly quality is poor.
Disclosure of Invention
The invention aims to solve the problem of assembly of the existing spring and the balance wheel, and provides a spring and balance wheel assembly mechanism of a locking device of an automobile safety belt retractor, which can automatically assemble the spring on the balance wheel, reduce labor intensity, improve assembly precision and assembly efficiency, and reduce rejection rate.
For the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a spring and balance wheel assembly mechanism of a locking device of an automobile safety belt retractor comprises a spring feeding device and a balance wheel feeding device; the spring feeding device comprises a spring conveying vibration disc, a spring indexing disc assembly and a spring transfer assembly; the spring conveying vibration plate is arranged on the frame, the spring indexing disc assembly is connected with the spring conveying vibration plate, the spring indexing disc assembly is used for conveying the spring, the spring transfer assembly is used for transferring the spring to the balance wheel feeding device, and the balance wheel feeding device comprises a balance wheel conveying vibration plate, a balance wheel positioning assembly and a balance wheel transfer assembly; the balance wheel conveying vibration plate is arranged on the rack, the balance wheel positioning assembly is connected with the balance wheel conveying vibration plate, the balance wheel positioning assembly is used for positioning the balance wheel and assembling the balance wheel with the spring, and the balance wheel transferring assembly is used for transferring the balance wheel.
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 graduated disk support frame set up in the frame, the spring rotary disk passes through rotary disk drive module and sets up at the spring graduated disk support frame, the lateral part circumference rule of spring rotary disk is provided with four spring grooves, and the spring groove links up with the discharge end of spring transport vibration dish mutually, the spring right the cylinder slope and set up the feed end portion at the spring graduated disk support frame, the spring right the shifting block setting in the removal portion of spring right the cylinder, and the spring right the shifting block be located between spring transport vibration dish and the spring rotary disk.
Preferably, 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.
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 rotary connecting plate, and the spring clamping cylinder is arranged on a moving part of the spring transfer movable cylinder through a clamping connecting plate.
Preferably, the spring clamping cylinder is provided with two spring clamping heads, and the two spring clamping heads are both provided with semicircular spring clamping grooves.
Preferably, the balance wheel positioning assembly comprises a positioning bracket and a balance wheel connecting plate; the positioning support is arranged on the rack, 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.
Preferably, the balance wheel transfer assembly comprises a balance wheel transfer bracket, 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 stander, 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 base, 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 is arranged at the bottom of the suction head connecting plate, the middle part of the rear side of the balance wheel suction head is provided with a pressure spring chute, the pressure spring tilting cylinder is arranged at the rear part of the suction head connecting plate, the pressure spring tilting plate is arranged on a moving part of the pressure spring tilting cylinder, and the pressure spring tilting plate is positioned in the pressure spring tilting groove.
Preferably, a semicircular pressure spring slanting notch is formed in the bottom of the pressure spring slanting board, and the pressure spring slanting board is matched with the pressure spring slanting U-shaped groove.
A method for assembling a spring and balance wheel assembling mechanism of a locking device of an automobile safety belt retractor sequentially comprises the following steps: conveying a spring b into a spring groove of a spring rotating disc through a spring conveying vibration disc in the spring feeding device, driving a spring centering shifting block to center the spring b through a spring centering cylinder, driving the spring rotating disc to rotate to a joint with a spring transfer assembly through a rotating disc driving module, driving a spring transfer moving cylinder to rotate to the spring b through a spring transfer rotating cylinder, driving a spring clamping cylinder to horizontally position through the spring transfer moving cylinder, clamping the spring b through the spring clamping cylinder, and rotationally conveying the spring b to a balance wheel feeding device through the cooperation of the spring transfer moving cylinder and the spring transfer rotating cylinder; the balance wheel c is conveyed into a balance wheel limiting groove of a balance wheel connecting plate through a balance wheel conveying vibration plate in a balance wheel feeding device, a spring b is fed from a spring loading port through the spring feeding device and is inserted into a convex head of the balance wheel c, a pressure spring deflection air cylinder is driven by a balance wheel transfer electric cylinder to move to the position above the spring b, the pressure spring deflection air cylinder drives a pressure spring deflection plate to press downwards to enter a pressure spring deflection U-shaped groove, the spring b is deflected, after deflection, a balance wheel suction head on a suction head connecting plate is driven by a second balance wheel transfer lifting air cylinder to suck the balance wheel c with the spring b in the balance wheel limiting groove, the balance wheel c is driven to ascend by a first balance wheel transfer lifting air cylinder, and an assembly of the balance wheel c and the spring b is transferred through the balance wheel transfer electric cylinder and a balance wheel transfer rotating air cylinder.
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, an assembly reset detection device, a finished product discharging device and the spring and balance wheel assembly mechanism.
According to the spring and balance wheel assembling mechanism of the locking device of the automobile safety belt retractor, the spring centering cylinder in the spring feeding device drives the spring centering shifting block to center the spring, the spring is prevented from falling off, the spring transfer moving cylinder and the spring transfer rotating cylinder are used for further improving the transfer precision and the transfer efficiency of the spring, and the stability in the transfer process is improved; spring loading mouth is convenient for pack the spring into through balance loading attachment to drive the pressure spring through the pressure spring and beat the swash plate and beat the spring to one side, not only prevent that the spring from dropping, promote transfer efficiency through balance transfer assembly, and prevent dropping of transfer in-process part, promote the stability of transfer in-process.
The equipment is also convenient for correcting the ratchet wheel through the L-shaped correcting plate of the ratchet wheel correcting component 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 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. In summary, the advantage of this patent is the automatic equipment of this mechanism spring and balance, promotes the assembly efficiency and the assembly precision between spring and the balance. The automatic assembling device realizes automatic assembling of the ratchet wheel, the spring and the balance wheel, reduces labor intensity of workers while improving assembling efficiency, and improves assembling 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 (9)
1. A spring and balance wheel assembly mechanism of a locking device of an automobile safety belt retractor is characterized by comprising a spring feeding device (4) and a balance wheel feeding device (5); the spring feeding device (4) comprises a spring conveying vibration disc, a spring indexing disc assembly (41) and a spring transfer assembly (42); the spring conveying vibration plate is arranged on the frame, the spring indexing disc assembly (41) is connected with the spring conveying vibration plate, the spring indexing disc assembly (41) is used for conveying a spring, the spring transfer assembly (42) is used for transferring the spring to the balance wheel feeding device (5), and the balance wheel feeding device (5) comprises a balance wheel conveying vibration plate, a balance wheel positioning assembly (51) and a balance wheel transfer assembly (52); the balance wheel conveying vibration plate is arranged on the rack, the balance wheel positioning assembly (51) is connected with the balance wheel conveying vibration plate, the balance wheel positioning assembly (51) is used for positioning the balance wheel and assembling the balance wheel with the spring, and the balance wheel transferring assembly (52) is used for transferring the balance wheel;
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 frame, 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 balance wheel suction head (527) is arranged at the bottom of the suction head connecting plate (526), the middle part of the rear side of the balance wheel suction head (527) is provided with a pressure spring inclined striking groove (5271), and the pressure spring striking cylinder (528) is arranged at the rear part of the suction head connecting plate (526), the pressure spring sloping plate (529) is arranged on a moving part of the pressure spring sloping cylinder (528), and the pressure spring sloping plate (529) is located in the pressure spring sloping groove (5271).
2. The spring and balance assembly mechanism of a locking device of a vehicle seat belt retractor according to claim 1, wherein the spring indexing plate assembly (41) comprises a spring indexing plate support frame (411), a spring centering cylinder (412), a spring centering block (413) and a spring rotating plate (414); spring graduated disk support frame (411) set up in the frame, spring rotary disk (414) pass through rotary disk drive module and set up on spring graduated disk support frame (411), the lateral part circumference rule of spring rotary disk (414) is provided with four spring grooves (4141), and spring groove (4141) link up with the discharge end of spring conveying vibration dish, spring centering cylinder (412) slope set up the feed end portion at spring graduated disk support frame (411), spring centering shifting block (413) set up the removal portion at spring centering cylinder (412), and spring centering shifting block (413) are located between spring conveying vibration dish and spring rotary disk (414).
3. The spring and balance assembly mechanism of a locking device of a seatbelt retractor according to claim 2, wherein the cross section of the spring centering block 413 is L-shaped, and a head of the spring centering block 413 is provided with a fitting centering slope 4131.
4. The spring and balance assembly mechanism of a locking device of a seatbelt retractor of claim 1, wherein the spring transfer assembly (42) comprises a spring transfer bracket (421), a spring transfer rotating cylinder (422), a spring transfer moving cylinder (423), a spring clamping cylinder (424); the spring transfer support (421) is arranged on the frame and located on the inner side of the spring dividing plate assembly (41), the spring transfer rotating cylinder (422) is arranged on the spring transfer support (421), the spring transfer moving cylinder (423) is arranged on a rotating part of the spring transfer rotating cylinder (422) through a rotating connecting plate (4231), and the spring clamping cylinder (424) is arranged on a moving part of the spring transfer moving cylinder (423) through a clamping connecting plate (4240).
5. The spring and balance wheel assembling mechanism of a locking device of a seatbelt retractor according to claim 4, wherein the spring clamping cylinder (424) is provided with two spring clamping heads, and each of the two spring clamping heads is provided with a semicircular spring clamping groove (4241).
6. The spring and balance assembling mechanism of a locking device of a seatbelt retractor for a vehicle according to claim 1, wherein said balance positioning assembly (51) comprises a positioning bracket (511), a balance engaging plate (512); the positioning support (511) is arranged on the rack, 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 plate, 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 inlet (5122) is arranged on the rear side of the balance wheel limiting groove (5121), and a pressure spring inclined U-shaped groove (5123) is arranged below the spring inlet (5122).
7. The spring and balance assembly mechanism of a locking device of a seatbelt retractor according to claim 6, wherein a semicircular pressure spring slanting notch (5291) is formed at a bottom of the pressure spring slanting plate (529), and the pressure spring slanting plate (529) is matched with the pressure spring slanting U-shaped groove (5123).
8. An assembling method of a spring and a balance wheel assembling mechanism of a locking device of a vehicle seat belt retractor is characterized by sequentially comprising the following steps: the spring b is conveyed into a spring groove (4141) of a spring rotating disc (414) through a spring conveying vibration disc in a spring feeding device (4), a 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 a 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); the balance wheel c is conveyed into a balance wheel limit groove (5121) of the balance wheel connecting plate (512) by a balance wheel conveying vibrating plate in a balance wheel feeding device (5), the spring b is fed from a spring loading port (5122) by a spring feeding device (4) and is inserted into a convex head of the balance wheel 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 downwards press into the pressure spring tilting U-shaped groove (5123) to tilt the spring b, and after the tilting, the balance wheel sucker (527) on the sucker connecting plate (526) is driven by a second balance wheel transfer lifting cylinder (525) to suck the balance wheel c with a spring b arranged in a balance wheel limiting groove (5121), the balance c is driven to ascend by a first balance transfer ascending/descending cylinder (523), and an assembly of the balance c and a spring b is transferred by a balance transfer electric cylinder (522) and a balance transfer rotating cylinder (524).
9. A production device 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), an assembly reset detection device (6), a finished product blanking device (7) and a spring and balance wheel assembly mechanism according to any one of claims 1-7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010092750.1A CN111230483B (en) | 2020-02-14 | 2020-02-14 | Spring and balance wheel assembling mechanism of locking device of automobile safety belt retractor |
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| CN202010092750.1A CN111230483B (en) | 2020-02-14 | 2020-02-14 | Spring and balance wheel assembling mechanism of locking device of automobile safety belt retractor |
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| US5406696A (en) * | 1993-11-26 | 1995-04-18 | Xolox Corporation | Machine for assembling a magnetic latch assembly |
| CN102059543A (en) * | 2009-11-13 | 2011-05-18 | 上海龙能自动化设备有限公司 | Spring piece assembling machine of safety belt lock button |
| CN103692208B (en) * | 2013-12-19 | 2016-08-17 | 周俊雄 | Plastic pipe connector dust prevention cover kludge |
| CN106141612B (en) * | 2016-08-04 | 2019-01-01 | 深圳市宝尔威精密机械有限公司 | A kind of spring feeding machine |
| CN108499899B (en) * | 2018-02-09 | 2020-11-27 | 浙江兰菱机械有限公司 | Spring load sorting machine |
| CN109013398B (en) * | 2018-07-17 | 2020-09-18 | 温州雪榕机械科技有限公司 | Lithium ion battery cell testing and matching method |
| CN109158621A (en) * | 2018-10-25 | 2019-01-08 | 安徽创弘精密机械有限公司 | A kind of lathe feeding device |
| CN109623370B (en) * | 2019-01-23 | 2020-01-24 | 东莞市机圣自动化设备科技有限公司 | Automatic assembling machine for ratchet wrench |
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Effective date of registration: 20210701 Address after: 325000 No. 488, Kaifa San Road, development zone, Ruian Economic Development Zone, Wenzhou City, Zhejiang Province Applicant after: ZHEJIANG WANLI SAFETY EQUIPMENT MANUFACTURING Co.,Ltd. Address before: 315301 No.45, group 4, yizidi, zhoutangxi village, Zonghan street, Cixi City, Ningbo City, Zhejiang Province Applicant before: Wei Yuyan |
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