CN213916988U

CN213916988U - Automatic production line for return spring assembly of automatic transmission

Info

Publication number: CN213916988U
Application number: CN202023060866.1U
Authority: CN
Inventors: 马晓日
Original assignee: Changyi Huayang Spring Co ltd
Current assignee: Changyi Huayang Spring Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-10
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses an automatic production line of an automatic transmission reset spring assembly, which comprises an assembly rotary disc, a spring feeding mechanism, a pre-assembly mechanism, a riveting forming machine, a clamping turnover mechanism, a splicing forming machine, a final assembly mechanism and a mounting ring material preparation mechanism, wherein the spring feeding mechanism is used for supplying a spiral spring to a spring assembly mould to form a spring annular group; the pre-assembly mechanism is used for automatically assembling the annular riveting sheet to the spring annular group on the spring assembly mold; the riveting forming machine is used for riveting connection; the clamping and overturning mechanism is used for clamping and overturning the pre-assembly on the riveting station for 180 degrees to the inserting station; the final assembly mechanism is used for assembling the annular insertion sheet to the pre-assembly component on the insertion station; the plug-in forming machine is used for plug-in connection; the mounting ring material preparing mechanism is used for providing an annular riveting sheet and an annular splicing sheet; the reset spring assembly can be continuously produced in the machining process, and has the advantages of high automation degree, low labor intensity and high production efficiency.

Description

Automatic production line for return spring assembly of automatic transmission

Technical Field

The utility model relates to an automatic gearbox reset spring subassembly automatic production line.

Background

The return spring assembly is an indispensable component on the automatic transmission, and plays a role in shifting return in the automatic transmission. Referring to fig. 12 and 13, the return spring assembly includes two annular sheets and a plurality of coil springs circumferentially and annularly and uniformly distributed and connected between the two annular sheets, one end of each coil spring is connected with one annular sheet in a riveting manner, and the other end of each coil spring is connected with the other annular sheet in a plugging manner.

The assembly process of the return spring assembly mainly comprises riveting and inserting, and the specific flow of the assembly process is shown in fig. 14: firstly, uniformly arranging spiral springs in an annular shape to form an annular spring group 91, concentrically assembling an annular riveting sheet 92 to the top end of the annular spring group 91, entering a riveting station, pressing the annular riveting sheet 92 downwards through a press head of a forming machine to realize the riveting connection between the annular riveting sheet 92 and the annular spring group 91, and forming a pre-assembly; then the pre-assembly is turned for 180 degrees to an inserting station, namely the riveted spring annular group 91 and the riveted annular riveting sheet 92 are turned for 180 degrees to the inserting station, then the annular inserting sheet 93 is concentrically assembled to the top end of the turned pre-assembly, namely the top end of the turned spring annular group 91, and finally the annular inserting sheet 93 is pressed downwards by a press head of a forming machine to realize the inserting connection between the annular inserting sheet 93 and the spring annular group 91.

In the prior art, a plurality of manual operation processes exist in the machining process, for example, the annular uniform arrangement of the coil springs, the concentric assembly of the annular inserting sheet 93 and the annular riveting sheet 92, the overturning of the pre-assembly and the like, the production efficiency of the assembly process of the reset spring assembly is low due to the excessive manual operation, and the size of the coil springs is small, so that the manual operation difficulty is high, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an automatic gearbox reset spring subassembly automatic production line that degree of automation is high, artifical low in labor strength, production efficiency is higher is provided.

In order to solve the technical problem, the technical scheme of the utility model is that: automatic production line for return spring assemblies of automatic transmissions comprises:

the spring assembling device comprises an assembling rotary disc, wherein a spring feeding station, a pre-assembling station and a riveting station are sequentially arranged in the rotating direction of the assembling rotary disc, and a plurality of spring assembling dies which are sequentially and circularly switched among the spring feeding station, the pre-assembling station and the riveting station are arranged on the assembling rotary disc;

the spring feeding mechanism is correspondingly arranged at the spring feeding station, corresponds to the spring assembling die and is used for automatically feeding the spiral spring in the material storage mechanism to the vacant spring assembling die to form a spring annular group;

the pre-assembly mechanism is correspondingly arranged at the pre-assembly station and corresponds to the spring assembly mold, and is used for automatically assembling the annular riveting sheet to the spring annular group on the spring assembly mold;

the riveting forming machine is correspondingly arranged at the riveting station, corresponds to the spring assembling die and is used for riveting and connecting the annular spring group and the annular riveting sheet to form a pre-assembly;

the clamping and overturning mechanism is correspondingly arranged between the riveting station and the inserting station and is used for clamping and overturning the pre-assembly on the riveting station by 180 degrees to the inserting station and clamping and sending the inserted return spring assembly to the next process;

the splicing forming machine is arranged at a splicing station and corresponds to the clamping and overturning mechanism, the overturned pre-assembly is clamped by the clamping and overturning mechanism to enter the splicing station, and splicing connection is carried out after an annular splicing sheet is assembled to the splicing station;

the final assembly mechanism is correspondingly used for automatically assembling the annular insertion sheet to the pre-assembly component on the insertion station;

the mounting ring material preparing mechanism comprises a riveting sheet material preparing mechanism and an inserting sheet material preparing mechanism, and the riveting sheet material preparing mechanism is correspondingly arranged at a riveting sheet material taking station at the material loading end of the pre-assembling mechanism and is used for providing an annular riveting sheet for the pre-assembling mechanism; the inserting sheet material preparing mechanism is correspondingly arranged at an inserting sheet material taking station of the material loading end of the final assembly mechanism and is used for providing an annular inserting sheet for the final assembly mechanism.

As a preferred technical scheme, the assembly rotary disc comprises a rotary disc body and a disc body driving device for driving the rotary disc body to horizontally rotate, and the spring assembly mold is fixedly installed at the periphery of the top end of the rotary disc body; the spring assembling die comprises an assembling die seat fixedly installed at the top end of the rotary disc body, and an annular inserting group which is of an annular structure and used for assembling an annular group of springs is fixedly installed on the assembling die seat; the annular inserting group comprises a plurality of spring assembling columns which are annularly arranged and used for respectively inserting and connecting the spiral springs.

According to a preferable technical scheme, the spring feeding mechanism comprises a spring feeding frame body, an intermittent blanking control device which is communicated with the storage mechanism and used for intermittently leading out the spiral springs in the storage mechanism in sequence is installed on the spring feeding frame body, a disc type rotary temporary storage device which is used for collecting the intermittently led out spiral springs in sequence is correspondingly arranged at a blanking opening of the intermittent blanking control device, and a guide pipe guiding and discharging device which is used for guiding the collected spiral springs to the spring assembling die is correspondingly arranged at the blanking opening of the disc type rotary temporary storage device.

According to the preferable technical scheme, the riveting sheet material preparing mechanism/inserting sheet material preparing mechanism comprises a rotary material preparing frame and a material preparing frame driving device for driving the rotary material preparing frame to rotate horizontally, a plurality of material preparing stacking areas sequentially and circularly switched to a riveting sheet material taking station/an inserting sheet material taking station are arranged on the periphery of the rotary material preparing frame, a plurality of annular riveting sheets/annular inserting sheets are stacked in the material preparing stacking areas, and an installation ring lifting device used for supporting and pushing the stacked annular riveting sheets/annular inserting sheets to sequentially rise to the top face of the rotary material preparing frame is arranged outside the rotary material preparing frame and corresponds to the riveting sheet material taking station/the inserting sheet material taking station.

According to the technical scheme, the pre-assembly mechanism comprises a pre-assembly frame body, a riveting piece pre-positioning device is arranged in front of the pre-assembly frame body, a riveting piece clamping device which reciprocates between a riveting piece taking station and the riveting piece pre-positioning device and a riveting piece assembling device which reciprocates between the riveting piece pre-positioning device and a riveting station are arranged on the pre-assembly frame body, a pre-assembly lifting device which drives the riveting piece clamping device and the riveting piece assembling device to ascend and descend is further arranged on the pre-assembly frame body, and a pre-assembly sliding device which drives the pre-assembly lifting device to horizontally slide is further arranged on the pre-assembly frame body.

According to the technical scheme, the clamping and overturning mechanism comprises an overturning fixing frame body, a clamping mechanism is installed on the overturning fixing frame body, a overturning seat sliding device for driving the clamping mechanism to horizontally slide is arranged on the overturning fixing frame body, a clamping and overturning device for driving the clamping mechanism to horizontally overturn is further arranged on the overturning seat sliding device, and the clamping mechanism is fixed on the clamping and overturning device.

According to the preferable technical scheme, the clamping mechanism comprises a clamping mounting plate fixedly connected to the clamping turnover device, two clamping matching arms which are matched with each other and used for clamping the pre-assembly are arranged on the clamping mounting plate, a matching arm lifting device for driving the clamping matching arms to ascend and descend is arranged on the clamping mounting plate, a matching arm opening and closing driving device for driving the two clamping matching arms to open and close simultaneously is further arranged on the matching arm lifting device, and the two clamping matching arms are respectively installed on the matching arm opening and closing driving device.

As a preferred technical scheme, the final assembly mechanism comprises a final assembly frame body, an insertion piece pre-positioning device is arranged in front of the final assembly frame body, an insertion piece overturning station is further arranged on the final assembly frame body between the insertion piece pre-positioning device and the insertion piece taking station, an insertion piece overturning device is correspondingly and fixedly installed at the insertion piece overturning station, an insertion piece taking device reciprocating between the insertion piece taking station and the insertion piece overturning station, an insertion piece clamping device reciprocating between the insertion piece overturning station and the insertion piece pre-positioning device, an insertion piece assembling device reciprocating between the insertion piece pre-positioning device and the insertion station are arranged on the final assembly frame body, and a final assembly lifting device driving the insertion piece taking device, the insertion piece clamping device and the insertion piece assembling device to ascend and descend is further arranged on the final assembly frame body, and the final assembly frame body is also provided with a final assembly sliding device for driving the final assembly lifting device to horizontally slide.

According to the preferable technical scheme, the riveting forming machine comprises a riveting forming machine body, a riveting forming pressure head which is located at a riveting station and can lift is mounted on the riveting forming machine body, and the riveting forming pressure head is correspondingly arranged above the spring assembling die which is located at the riveting station.

According to the preferable technical scheme, the inserting forming machine comprises an inserting forming machine body, an inserting forming base which is located at an inserting station and used for bearing the reset spring assembly is installed on the inserting forming machine body, and a liftable inserting forming pressure head is correspondingly arranged above the inserting forming base.

Since the technical scheme is used, the beneficial effects of the utility model are that: the utility model discloses reset spring subassembly's course of working can realize continuous production, and degree of automation is high, artifical low in labor strength, production efficiency are higher.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1 is a schematic structural view of an automatic production line for return spring assemblies according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an automatic production line for return spring assemblies according to another aspect of the present invention;

FIG. 3 is a schematic structural diagram of a spring feeding mechanism according to an embodiment of the present invention;

fig. 4 is a schematic structural view of another angle of the spring feeding mechanism according to the embodiment of the present invention;

FIG. 5 is a schematic structural view of an assembled rotary disk according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a spring assembling mold according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a material preparing mechanism of a mounting ring according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a preassembly mechanism according to an embodiment of the present invention;

fig. 9 is a schematic structural view of the clamping and turning mechanism according to the embodiment of the present invention;

FIG. 10 is a schematic structural view of a clamping mechanism according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a final assembly mechanism according to an embodiment of the present invention;

FIG. 12 is a schematic structural view of a return spring assembly;

FIG. 13 is a disassembled state view of the return spring assembly;

FIG. 14 is a flow chart of the assembly of the return spring assembly;

in the figure:

1-assembling a rotary disc; 11-rotating the disc body; 12-a disc drive; 13-spring assembly mould; 14-assembling a mold base; 15-spring assembly posts; 16-spring plug-in posts; 17-riveting columns;

2-a spring feeding mechanism; 21-spring feeding frame body; 22-a blanking control cylinder; 23-a blanking control seat; 24-a blanking pipe mounting seat; 25-spring blanking pipe; 26-intermittent blanking control panel; 27-intermittent blanking control holes; 28-intermittent blanking horizontal sliding rail; 29-intermittent blanking return spring; 210-a blanking tube detector; 211-rotating the temporary storage disk; 212-a temporary storage disk drive; 213-temporary spring storage hole; 214-temporary storage guide tube; 215-guide tube probe; 216-temporary storage disk horizontal slide rail; 217-temporarily storing a plugging flat plate; 218-blocking plate driving cylinder; 219-catheter mounting plate; 220-mounting a disk link; 221-a spring guide tube;

3-clamping and turning over mechanism; 31-turning over the fixed frame body; 32-a horizontal slide rail of the turning seat; 33-a horizontal turning slide; 34-turning over the horizontal screw of the seat; 35-a slide motor of the turning seat; 36-flipping the rotating arm; 37-rotation axis; 38-turning over the supporting frame; 39-clamping the mounting plate; 310-a clip engagement arm; 311-mating arm vertical slide; 312-mating arm vertical slide; 313-a mating arm lift cylinder; 314-mating arm horizontal slide; 315-left opening and closing drive cylinder; 316-right opening and closing driving cylinder; 317-mating arm clamping grooves; 318-flipping rotating electric machine;

4-a pre-assembly mechanism; 41-pre-assembling a frame body; 42-preassembly of horizontal sliding rails; 43-preassemble horizontal slide; 45-pre-assembly of the horizontal motor; 46-pre-assembled vertical slide; 47-preassemble vertical slide; 48-pre-assembly of a lifting cylinder; 49-pre-positioning the fixing frame; 410-pre-positioning the turntable; 411-pre-positioning the rotating machine; 412-rivet tab locating holes; 413-locating hole detector; 414-pneumatic three-jaw clamp one; 415-riveting sheet clamping arm; 416-a riveting piece clamping groove; 417-pneumatic three-jaw clamp two; 418-rivet joint assembly arm; 419-rivet tab mounting slots; 420-riveting the positioning column; 421-lifting positioning cylinder;

5-riveting forming machine; 6-inserting and forming machine;

7-final assembly mechanism; 71-final assembly of the frame body; 72-final assembly of horizontal sliding rails; 73-final assembly of horizontal slide; 74-Final Assembly horizontal Motor; 75-final assembly of vertical slide rails; 76-final assembly of vertical slide; 77-final assembly of a lifting cylinder; 78-final positioning fixing frame; 79-final positioning turntable; 710-final positioning of the rotating electrical machine; 711 — final positioning detector; 712-pneumatic three-jaw clamp three; 713-inserting piece material taking arm; 714-arc inner support of the inserting sheet; 715-pneumatic three-jaw clamp four; 716-a patch gripping arm; 717-clamping groove for inserting sheet; 718-a flip mounting plate; 719-clamping the horizontal slide; 720-left clamping driving cylinder; 721-right clamping driving cylinder; 722-left clamping the rotating arm; 723-right grip swivel arm; 724-rotating arm clamping groove;

8-installing a ring material preparing mechanism; 81-rotating the material preparing frame; 82-stock shelf drive; 83-preparing a material rack top plate; 84-a material preparing frame bottom plate; 85-material preparation rack fixing rod; 86-riveting sheet clamping groove; 87-lifting through the slot; 88-material preparing rack positioning rod; 89-mounting a ring lifting bracket; 810-mounting ring lifting guide rails; 811-mounting ring lifting slide; 812-mounting ring lift arms; 813-mounting ring lifting screw; 814-mounting ring drive motor;

91-annular set of springs; 92-annular rivet tab; 93-ring patch

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1 and 2, the automatic production line for the return spring assembly of the automatic transmission comprises a material storage mechanism, an assembly rotary disc 1, a spring feeding mechanism 2, a clamping and overturning mechanism 3, a pre-assembly mechanism 4, a riveting and forming machine 5, a splicing and forming machine 6, a final assembly mechanism 7 and a mounting ring material preparation mechanism 8; the storage mechanism is internally used for providing a spiral spring for the system; a spring feeding station, a pre-assembly station and a riveting station are sequentially arranged in the rotation direction of the assembly rotary disc 1, and a plurality of spring assembly dies 13 which are sequentially and circularly switched among the spring feeding station, the pre-assembly station and the riveting station are arranged on the assembly rotary disc 1; the spring feeding mechanism 2 is correspondingly arranged at the spring feeding station, corresponds to the spring assembling die 13 and is used for automatically feeding the spiral springs in the storage mechanism to the vacant spring assembling die 13 to form a spring annular group 91; the pre-assembly mechanism 4 is correspondingly arranged at the pre-assembly station and corresponds to the spring assembly mold 13, and is used for automatically assembling the annular riveting sheet 92 to the spring annular group 91 on the spring assembly mold 13; the riveting forming machine 5 is correspondingly arranged at the riveting station and corresponds to the spring assembling die 13, and is used for riveting and connecting the annular spring group 91 and the annular riveting sheet 92 to form a pre-assembly component; the clamping and overturning mechanism 3 is correspondingly arranged between the riveting station and the inserting station and is used for clamping and overturning the pre-assembly on the riveting station by 180 degrees to the inserting station and clamping and sending the inserted return spring assembly to the next process; the inserting forming machine 6 is arranged at an inserting station and corresponds to the clamping and overturning mechanism 3, the overturned pre-assembly component is clamped by the clamping and overturning mechanism 3 to enter the inserting station, and inserting connection is carried out after the annular inserting sheet 93 is assembled to the inserting station; the final assembly mechanism 7 and the plug forming machine 6 are correspondingly used for automatically assembling the annular plug sheet 93 to the pre-assembly component on the plug station; the mounting ring material preparing mechanism 8 comprises a riveting sheet material preparing mechanism and an inserting sheet material preparing mechanism, and the riveting sheet material preparing mechanism is correspondingly arranged at a riveting sheet material taking station at the feeding end of the pre-assembly mechanism 4 and is used for providing an annular riveting sheet 92 for the pre-assembly mechanism 4; the inserting sheet material preparing mechanism is correspondingly arranged at an inserting sheet material taking station of the material loading end of the final assembly mechanism 7 and is used for providing an annular inserting sheet 93 for the final assembly mechanism 7.

The utility model discloses still include control system, each mechanism is connected with the part electricity is connected control system, be provided with the PLC controller in the control system for the orderly automatic operation of whole mechanism.

The work flow of the automatic production line of the reset spring assembly is as follows:

firstly, one of the spring assembling dies 13 moves to a spring feeding station, the coil spring in the storage mechanism enters into the spring feeding mechanism 2, the spring feeding mechanism 2 supplies the coil spring in the storage mechanism to the spring assembling die 13 at the spring feeding station, when the coil spring is supplied to the spring assembling die 13, an annular group 91 of uniformly distributed springs is formed (see fig. 14 (a)), and then the assembling rotary disc 1 rotates to drive the spring assembling die 13 carrying the annular group 91 of springs to rotate from the spring feeding station to a pre-assembling station; during the movement of the spring assembling die 13 to the pre-assembling station, the riveting sheet preparing mechanism in the mounting ring preparing mechanism 8 provides the annular riveting sheet 92 for the pre-assembling mechanism 4 at the riveting sheet taking station, and the pre-assembling mechanism 4 takes the annular riveting sheet 92 at the riveting sheet taking station away and carries the same to the pre-assembling station and places the same on the spring assembling die 13 which just moves to the pre-assembling station, so that the annular riveting sheet 92 is assembled with the spring annular group 91, and the annular riveting sheet 92 is positioned at the top end of the spring annular group 91; then, the assembly rotary disc 1 continues to rotate to drive the spring assembly mold 13 carrying the annular riveting sheet 92 and the annular spring group 91 to move to the riveting station, the riveting forming machine 5 acts to carry the forming press head to move downwards, so that the annular riveting sheet 92 and the annular spring group 91 are riveted and connected, and a pre-assembly is formed (see (b) in fig. 14); after riveting is finished, the clamping and overturning mechanism 3 acts to clamp the pre-assembled assembly and horizontally overturn 180 degrees, the pre-assembled assembly is carried by a riveting station and placed at an inserting station, the riveted annular spring group 91 and the annular riveting sheet 92 overturn 180 degrees, and the annular spring group 91 is positioned at the top end of the annular riveting sheet 92; in the process that the pre-assembly component moves to the plugging station, the plugging piece material preparing mechanism in the mounting ring material preparing mechanism 8 provides the annular plugging piece 93 for the final assembly mechanism 7 at the plugging piece material taking station, the final assembly mechanism 7 takes away the annular plugging piece 93 at the plugging piece material taking station and carries the same to the riveting station, and places the same at the top end of the pre-assembly component (see (c) in fig. 14), then the plugging forming machine 6 acts to carry the forming pressure head to move downwards, so that the annular plugging piece 93 is connected with the annular spring group 91 in a plugging manner, and finally a return spring component is formed, at the moment, the clamping and overturning mechanism 3 continues to act, and the clamping and return spring component clamps the same to be sent to the next process. The processing process of the reset spring assembly can realize continuous production, and has high automation degree, low labor intensity and high production efficiency.

Referring to fig. 5 and 6, the assembled rotary disc 1 includes a rotary disc body 11 and a disc body driving device 12 for driving the rotary disc body 11 to rotate horizontally, and the spring assembling die 13 is fixedly installed at the top end periphery of the rotary disc body 11; the spring assembly mold 13 can be used for carrying a spring annular group 91 and an annular riveting sheet 92, when the disk body driving device 12 works, the rotary disk body 11 is driven to rotate, so that the spring assembly mold 13 carrying the spring annular group 91 and the annular riveting sheet 92 is sequentially switched in a circulating manner among a plurality of different stations, and as the rotary disk body 11 moves in a rotating manner, a production line is not linear as in the prior art, not only is the occupied space smaller, but also the requirement on a factory site is lower, and the operation efficiency is higher; meanwhile, the spring assembly mold 13 can be used for installing the annular spring group 91 and the annular riveting sheet 92 and is used as an auxiliary supporting device for assembling the return spring assembly. During operation, the rotary disc body 11 can be switched among a spring feeding station, a pre-assembly station and a riveting station, when one of the spring assembly molds 13 rotates to the spring feeding station, the spring ring group 91 is mounted on the spring assembly mold 13 at this time, after the spring ring group 91 is mounted, the spring assembly mold 13 rotates to the pre-assembly station, the ring riveting sheet 92 is assembled on the spring assembly mold 13 at this time, after the ring riveting sheet 92 is assembled, the spring assembly mold 13 rotates to the riveting station, the molding machine connects the ring riveting sheet 92 and the spring ring group 91 in a riveting manner, the pre-assembly after the riveting connection is clamped to other mechanisms for processing on the next step, and the spring assembly mold 13 continues to rotate and moves to the next spring feeding station to wait for the mounting of the coil spring. In the present embodiment, five spring assembling molds 13 are uniformly arranged, and of course, the number of the spring assembling molds can be more, and the number of the spring assembling molds is designed according to actual needs.

Referring to fig. 6, the spring assembling mold 13 includes an assembling mold seat 14 fixedly installed at the top end of the rotary table body 11, and an annular inserting group having an annular structure and used for assembling the annular group 91 of springs is fixedly installed on the assembling mold seat 14; the annular insertion group comprises a plurality of annularly arranged spring assembly columns 15 for respectively inserting the helical springs. When the coil springs are installed, the coil springs are sleeved on the spring mounting posts 15, when all the spring mounting posts 15 are sleeved with the coil springs, the coil springs form a spring ring group 91 as shown in fig. 14 (a), and then after the ring-shaped rivet piece 92 is assembled on the spring ring group 91, namely, a pre-assembly as shown in fig. 14 (b), the riveting holes on the periphery of the ring-shaped rivet piece 92 are inserted into the corresponding spring mounting posts 15.

Referring to fig. 6, the spring assembling post 15 is provided at a lower portion thereof with a spring inserting post 16 fittingly sleeved with the coil spring, and a riveting post 17 fittingly sleeved with a riveting hole of the annular riveting piece 92 is provided at a top end of the spring inserting post 16. The diameter of the riveting column 17 is smaller than that of the spring inserting column 16, and a limiting step for limiting the annular riveting sheet 92 is formed between the riveting column and the spring inserting column. When the pre-assembled component is installed, the spiral spring penetrates through the riveting column 17 and is sleeved outside the spring insertion column 16, the top end of the spiral spring extends to the riveting column 17, then the riveting holes of the annular riveting sheet 92 are respectively inserted into the corresponding riveting columns 17, and the bottom end of the annular riveting sheet 92 is supported at the top end of the spiral spring, and at this time, the pre-assembled component is in a state before being assembled; and after the preassembly assembly enters the riveting station, the riveting forming pressure head of the riveting forming machine 5 moves downwards, the surface of the riveting forming pressure head is provided with a forming hole matched with the riveting column 17, the forming hole penetrates through the top end of the riveting column 17, so that the surface of the riveting forming pressure head contacts the annular riveting sheet 92, then the annular riveting sheet 92 is pressed downwards until the bottom end of the annular riveting sheet 92 is clamped behind the limiting shoulder and cannot move downwards continuously, in the downward movement process of the annular riveting sheet 92, the riveting connection between the riveting hole and the annular spring group 91 is completed, and the deformation state of the riveting hole is shown in fig. 13. The riveting principle is known to those skilled in the art, and will not be described herein.

Referring to fig. 2, the spring feeding mechanism 2 includes a spring feeding frame body 21, an intermittent blanking control device communicated with the storage mechanism and used for intermittently guiding out the coil springs in the storage mechanism in sequence is installed on the spring feeding frame body 21, a disc-type rotary temporary storage device for sequentially collecting the intermittently guided coil springs is correspondingly arranged at a blanking port of the intermittent blanking control device, and a guide pipe guiding and discharging device for simultaneously guiding the collected coil springs to the spring assembling die 13 is correspondingly arranged at a blanking port of the disc-type rotary temporary storage device. When the intermittent feeding device works, the spiral springs in the storage mechanism can enter the intermittent feeding control device, the intermittent feeding control device can lead the spiral springs to the disc type rotary temporary storage device in sequence in an intermittent mode, the spiral springs can fall onto the disc type rotary temporary storage device after the intermittent feeding control device discharges the spiral springs once, then the disc type rotary temporary storage device rotates horizontally to collect the next spiral spring discharged by the intermittent feeding control device, the intermittent feeding control device stops feeding until the disc type rotary temporary storage device is fully collected, the disc type rotary temporary storage device is opened at the moment, and all the spiral springs collected at the moment all fall onto the spring assembling die 13 through the guide pipe to guide the discharging device to fall onto the spring assembling die 13, so that the annular spring group 91 is formed. If the coil springs are guided directly to the spring assembly mold 13, respectively, each time, not only the spring assembly mold 13 needs to rotate itself, moreover, because the blanking paths of the spiral springs are longer each time, the blanking can be started only after one of the spiral springs finishes blanking, so that the blanking speed of the equipment is lower, the efficiency is lower, the utility model adopts the intermittent blanking control device and the disc-type rotary temporary storage device to cooperate with each other to firstly intermittently blank the helical spring and accumulate and arrange the helical spring in a ring shape, then the spring is guided out to the spring assembling die 13 once through the guide pipe guiding and discharging device to form a spring ring group 91, in the process, the spring assembling die 13 does not need to rotate, the control mode of the spring assembling die 13 is simplified, the overall blanking time of the spiral spring is reduced, and the production efficiency is obviously improved.

Referring to fig. 2 and 3, the intermittent discharging control device includes a discharging control cylinder 22 fixedly installed on the spring feeding frame body 21, a blanking control seat 23 is fixed at the rod end of the blanking control cylinder 22, a blanking pipe mounting seat 24 is also fixed on the spring feeding frame body 21, a blanking pipe mounting hole correspondingly communicated with the disc type rotary temporary storage device is arranged in the blanking pipe mounting seat 24, the upper end of the blanking pipe mounting hole is provided with a spring blanking pipe 25 communicated with the material storage mechanism, the lower end of the blanking pipe mounting hole is provided with an intermittent blanking control plate 26 which horizontally slides and is used for cutting off a passage between the spring blanking pipe 25 and the disc type rotary temporary storage device, the intermittent blanking control plate 26 is fixed on the blanking control seat 23, and an intermittent blanking control hole 27 for communicating a passage between the spring blanking pipe 25 and the disc-type rotary temporary storage device is formed in the surface of the intermittent blanking control plate 26. When the cylinder rod of the blanking control cylinder 22 extends, the blanking control seat 23 and the intermittent blanking control plate 26 are driven to slide towards the blanking pipe mounting seat 24, so that the intermittent blanking control hole 27 is correspondingly communicated with the spring blanking pipe 25, and at the moment, the spiral spring in the spring blanking pipe 25 can sequentially enter the disc type rotary temporary storage device through the spring blanking pipe 25 and the intermittent blanking control hole 27; when the cylinder rod of the blanking control cylinder 22 is shortened, the blanking control seat 23 and the intermittent blanking control plate 26 are driven to slide in the direction away from the blanking pipe mounting seat 24, so that the intermittent blanking control hole 27 no longer corresponds to the spring blanking pipe 25, at this time, the intermittent blanking control plate 26 cuts off the path between the spring blanking pipe 25 and the disc-type rotary temporary storage device, and at this time, the coil spring in the spring blanking pipe 25 cannot enter the disc-type rotary temporary storage device. The intermittent blanking process of the spiral spring is controlled by the blanking control cylinder 22, and the device is simple in structure and convenient and fast to control. The inner diameters of the spring discharging pipe 25 and the intermittent discharging control hole 27 correspond to the outer diameter of the spiral spring, so that the spiral spring is orderly arranged and sequentially subjected to intermittent discharging.

An intermittent blanking horizontal sliding rail 28 is fixedly mounted on the blanking control seat 23, the other end of the intermittent blanking horizontal sliding rail 28 is slidably mounted on the blanking pipe mounting seat 24, and an intermittent blanking reset spring 29 is sleeved outside the intermittent blanking horizontal sliding rail 28 and located between the blanking control seat 23 and the blanking pipe mounting seat 24. When the cylinder rod of the blanking control cylinder 22 extends, the elastic force of the intermittent blanking reset spring 29 is overcome, the intermittent blanking control plate 26 is pushed to slide towards the blanking pipe mounting seat 24, so that the intermittent blanking control hole 27 corresponds to the spring blanking pipe 25, and after the spiral spring is discharged, the power source of the blanking control cylinder 22 disappears, the cylinder rod of the blanking control cylinder 22 retracts, the elastic force of the intermittent blanking reset spring 29 recovers, the blanking control seat 23 and the cylinder rod of the blanking control cylinder 22 are pushed to retract rapidly, and the purpose of rapidly plugging the spring blanking pipe 25 is achieved. In the present embodiment, two spring discharging pipes 25 are provided for discharging two coil springs at the same time, and of course, the more the number of spring discharging pipes 25, the higher the spring discharging efficiency.

And a blanking pipe detector 210 is correspondingly arranged outside the spring blanking pipe 25. Unloading pipe detector 210 is used for surveying whether there is the coil spring of capacity in the spring unloading pipe 25, works as unloading pipe detector 210 detects when the coil spring quantity in the spring unloading pipe 25 is not enough, can be with signal transmission to control system, control system can be with signal transmission to storage mechanism in, storage mechanism can discharge the spring and enter into in the spring unloading pipe 25, be used for guaranteeing there is the spring of capacity in the spring unloading pipe 25 all the time.

The disc-type rotary temporary storage device comprises a rotary temporary storage disc 211 and a temporary storage disc driving device 212, wherein the rotary temporary storage disc 211 is horizontally and rotatably mounted on a spring feeding frame body 21, a plurality of spring temporary storage holes 213 are annularly arranged on the rotary temporary storage disc 211 and are used for temporarily storing spiral springs, a temporary storage guide pipe 214 used for guiding the spiral springs of a feeding opening of the intermittent blanking control device to the temporary storage holes 213 is further arranged on the spring feeding frame body 21, and the bottom end of the rotary temporary storage disc 211 is provided with a temporary storage disc control device capable of horizontally sliding in a reciprocating mode and used for intermittently plugging the bottom end of the spring temporary storage hole 213. Before the coil springs are fed intermittently and sequentially, the temporary storage control device plugs the bottoms of all the temporary storage holes 213 of the springs, at the moment, a coil spring is discharged from a feed opening of the intermittent discharge control device, the coil spring falls into the temporary storage holes 213 of the springs through the falling of the temporary storage guide tube 214, then the temporary storage disk driving device 212 works to drive the rotary temporary storage disk 211 to rotate, so that the next non-vacant temporary storage hole 213 of the springs rotates to the lower part of the temporary storage guide tube 214, at the moment, the next coil spring is discharged from the feed opening of the intermittent discharge control device, the coil spring falls into the corresponding temporary storage hole 213 through the temporary storage guide tube 214, and along with the continuous sequential and intermittent rotation of the rotary temporary storage disk 211, all the coil springs are arranged in the temporary storage holes 213 of the springs, at the moment, the temporary storage control device acts to open the bottoms of all the temporary storage holes 213 of the springs, all the coil springs are led out at once.

The temporary storage disk driving device 212 includes a temporary storage disk rotating motor, a power end of the temporary storage disk rotating motor is in transmission connection with a fixed shaft at the center of the rotating temporary storage disk 211 through a belt pulley and a belt, and when the temporary storage disk rotating motor rotates, the rotating temporary storage disk 211 is driven to rotate horizontally. The number of the temporary storage guide pipes 214 corresponds to the number of the spring discharging pipes 25, the top ends of the temporary storage guide pipes 214 are fixed on the spring feeding frame body 21, and the bottom ends of the temporary storage guide pipes 214 are indirectly fixed on the spring feeding frame body 21 through supports. A guide pipe detector 215 is installed outside the temporary storage guide pipe 214, and the guide pipe detector 215 is used for detecting whether the spiral spring in the temporary storage guide pipe 214 is normally discharged or not.

The temporary storage disk control device comprises a temporary storage disk horizontal sliding rail 216 fixedly mounted on the spring feeding support body 21, a temporary storage disk blocking flat plate 217 used for blocking the bottom end of the spring temporary storage hole 213 is slidably mounted on the temporary storage disk horizontal sliding rail 216, and a driving device is connected between the temporary storage blocking flat plate 217 and the spring feeding support body 21 to drive the temporary storage blocking flat plate 217 to follow the sliding blocking plate driving cylinder 218 of the temporary storage disk horizontal sliding rail 216. The cylinder body of the plugging plate driving cylinder 218 is fixed on the spring feeding frame body 21, the cylinder rod of the plugging plate driving cylinder 218 is fixedly connected to the temporary plugging flat plate 217, when the cylinder rod of the plugging plate driving cylinder 218 extends, the temporary plugging flat plate 217 is driven to slide outwards along the temporary storage disc horizontal slide rail 216, namely to move towards the direction far away from the temporary spring storage hole 213, at this time, the bottom ends of all the temporary spring storage holes 213 are all opened, and the spiral springs in the temporary spring storage holes 213 can fall into the guide pipe discharging device; when the cylinder rod of the blocking plate driving cylinder 218 is in a shortened state, the temporary storage blocking flat plate 217 is just positioned below the temporary spring storage holes 213, and blocks the bottom ends of all the temporary spring storage holes 213, so that the coil springs in the temporary spring storage holes 213 cannot enter the guide pipe discharging device.

Pipe guide discharging device includes two relative pipe mounting discs 219 that set up, two pipe mounting discs 219 passes through mounting disc connecting rod 220 fixed mounting, one of them pipe mounting disc 219 is fixed on spring feed support body 21, another pipe mounting disc 219 is located directly over spring equipment mould 13, two fixed mounting has many spring guide tubes 221 between pipe mounting disc 219, spring guide tube 221's top with intermittent type unloading controlling means's feed opening intercommunication, spring guide tube 221's bottom with spring equipment mould 13 corresponds. The number of the spring guide pipes 221 is the same as that of the spring temporary storage holes 213, and when the coil springs in the spring temporary storage holes 213 enter the spring guide pipes 221, the coil springs fall down along the spring guide pipes 221 onto the spring assembling die 13 and are sleeved outside the spring assembling columns 15.

The number of the spring guide tubes 221 corresponds to the number of the spring assembling columns 15 in the spring assembling die 13, and may be completely the same or multiple, for example, if there are 30 spring assembling columns 15 in the spring assembling die 13, the number of the spring guide tubes 221 and the number of the spring temporary storage holes 213 may be 30 or 15, and when there are 30 spring assembling columns, 30 coil springs are collected in the 30 spring temporary storage holes 213 in one spring feeding mechanism 2 and then discharged at the next time, so as to form the spring ring group 91; when the number of the springs is 15, two spring feeding mechanisms 2 are needed, 15 spiral springs are collected in 15 spring temporary storage holes 213 in one spring feeding mechanism 2 and then are discharged to the spring assembling mold 13 at one time, the 15 spiral springs are sleeved on the spring assembling column 15 at intervals, the spring assembling mold 13 rotates to the next station, 15 spiral springs are collected again in 15 spring temporary storage holes 213 in the next spring feeding mechanism 2 and then are discharged to the spring assembling mold 13 again, and the 15 spiral springs are arranged on the spring assembling column 15 at intervals to finally form a spring annular group 91; the multiple relation can be used for processing the spiral springs with different adjacent spiral directions, namely 15 spiral springs discharged for the first time are all in left-hand rotation, and 15 spiral springs discharged for the second time are all in right-hand rotation.

Referring to fig. 7, the riveting sheet preparing mechanism/inserting sheet preparing mechanism includes a rotary material preparing frame 81 and a material preparing frame driving device 82 for driving the rotary material preparing frame 81 to rotate horizontally, the material preparing frame driving device 82 is a material preparing frame rotating motor, the center of the rotary material preparing frame 81 is fixedly connected with a power end fixed on the material preparing frame rotating motor, and the material preparing frame rotating motor drives the rotary material preparing frame 81 to rotate when rotating; the periphery of the rotary standby material rack 81 is provided with a plurality of material preparation stacking areas which are sequentially and circularly switched to the riveting sheet taking station/inserting sheet taking station, a plurality of annular riveting sheets 92/annular inserting sheets 93 are stacked in the material preparation stacking areas, and an installation ring lifting device which is used for supporting and pushing the stacked annular riveting sheets 92/annular inserting sheets 93 to sequentially ascend to the top surface of the rotary standby material rack 81 is arranged at the position, corresponding to the riveting sheet taking station/inserting sheet taking station, outside the rotary standby material rack 81. The riveting sheet material preparing mechanism and the inserting sheet material preparing mechanism have the same structure and the same working principle, and the structure and the working principle are simply described here, and the inserting sheet material preparing mechanism at the riveting sheet material taking station is taken as an example to explain the working principle: during work, a worker stacks the annular riveting sheet 92 in the stock stacking area at the non-riveting sheet taking station, then the stock frame driving device 82 drives the rotary stock frame 81 to horizontally rotate, so that the stock stacking area containing the annular riveting sheet 92 rotates to the riveting sheet taking station, then the mounting ring lifting device at the riveting sheet taking station acts to lift the stacked annular riveting sheet 92 from the bottom upwards, so that the topmost annular riveting sheet 92 reaches the top end of the rotary stock frame 81, and can be more conveniently clamped away by the pre-assembly mechanism 4, and after the topmost annular riveting sheet 92 is clamped away, the mounting ring lifting device continuously ascends, so that the next annular riveting sheet 92 at the top end reaches the top end of the rotary stock frame 81; in the material preparation process, the annular riveting sheets 92 are only manually stacked in the material preparation stacking area, other materials are not required to be manually operated, the structure is simple, the operation is convenient, the annular riveting sheets 92 are placed in order after being stacked in the material preparation stacking area, the annular riveting sheets 92 are gradually lifted to the top end by the mounting ring lifting device, and the stable and ordered material preparation process is realized by matching with the pre-assembly mechanism 4.

The rotary material preparing frame 81 comprises a material preparing frame top plate 83 and a material preparing frame bottom plate 84 which are arranged oppositely, and the material preparing frame top plate 83 is fixedly connected with the material preparing frame bottom plate 84 through a material preparing frame fixing rod 85. The material preparing frame driving motor is installed below the material preparing frame bottom plate 84. Riveting sheet clamping grooves 41686 which are beneficial to clamping annular sheet plates are arranged on the periphery of the material preparing frame top plate 83 corresponding to the top end of the material preparing stacking area. In this embodiment, since the gripping device of the preassembly mechanism 4 includes three gripping claws, in order to facilitate the gripping claws to smoothly grip the annular rivet piece 92 located at the topmost end, three rivet piece gripping grooves 41686 are correspondingly provided in each stock material stacking area, and two rivet piece gripping grooves 41686 are provided in each stock material stacking area 416 because the stock material stacking area is provided on the outer periphery of the stock material frame top plate 83. The periphery of the material preparing frame bottom plate 84 corresponds to the bottom end of the material preparing stacking area, a lifting passing groove 87 is formed in the periphery of the material preparing frame bottom plate 84, the mounting ring lifting device can extend into the bottom end of the stacked annular plate through the lifting passing groove 87 from the lower portion of the rotary material preparing frame 81, and the mounting ring lifting device can penetrate through the lifting passing groove 87 to extend into the material preparing stacking area, so that the stacked annular riveting sheets 92 are upwards supported. The material preparing and stacking area is formed by enclosing three material preparing frame positioning rods 88, the top ends of the material preparing frame positioning rods 88 are fixed on the material preparing frame top plate 83, and the bottom ends of the material preparing frame positioning rods 88 are fixed on the material preparing frame bottom plate 84.

The collar hoisting device includes collar lifting support 89, be provided with vertical collar lifting guide rail 810 on the collar lifting support 89, slidable mounting has collar lifting slide 811 on the collar lifting guide rail 810, fixed mounting has the collar lift arm 812 that is used for supporting the annular slab bottom that stacks on the collar lifting slide 811, still be provided with vertical collar lifting screw 813 on the collar lifting support 89, collar lifting slide 811 threaded connection is in on the collar lifting screw 813, still be provided with the drive on the collar lifting support 89 collar lifting screw 813 pivoted collar driving motor 814. The power end of the mounting ring driving motor 814 is in transmission connection with the mounting ring lifting screw 813 through a belt and a belt pulley, when the mounting ring driving motor 814 rotates, the mounting ring lifting screw 813 is driven to rotate, thereby driving the collar lifting slide 811 up and down along the collar lifting rail 810, when the collar lifting slide 811 is raised, the collar lifting arm 812 is brought into contact with the lowermost end of the stacked annular rivet piece 92 through the lifting passage groove 87, and as the collar lifting arm 812 is raised, the stacked annular rivet piece 92 is lifted, so that the topmost annular rivet tab 92 reaches the surface of the stock frame top plate 83, and, when the topmost annular rivet tab 92 is picked up, the collar lifting arm 812 continues to rise, so that the next topmost annular rivet tab 92 reaches the surface of the stock frame top plate 83. After the annular riveting sheet 92 which can be clamped at the riveting sheet taking station is taken out, the mounting ring driving motor 814 rotates reversely to drive the mounting ring lifting arm 812 to descend, and after the annular riveting sheet 92 passes through the lifting through groove 87 and is lowered to the position below the stock rack bottom plate 84, the rotary stock rack 81 rotates to enable the next annular riveting sheet 92 containing the stacked annular riveting sheets to rotate to the riveting sheet taking station, so that stock is circularly prepared, and the annular riveting sheets are matched with an assembling mechanism to realize quick clamping and assembling.

Referring to fig. 8, the pre-assembly mechanism 4 includes a pre-assembly frame body 41, a riveting sheet pre-positioning device is arranged in front of the pre-assembly frame body 41, a riveting sheet clamping device reciprocating between a riveting sheet taking station and the riveting sheet pre-positioning device and a riveting sheet assembly device reciprocating between the riveting sheet pre-positioning device and the riveting station are arranged on the pre-assembly frame body 41, a pre-assembly lifting device driving the riveting sheet clamping device and the riveting sheet assembly device to ascend and descend is further arranged on the pre-assembly frame body 41, and a pre-assembly sliding device driving the pre-assembly lifting device to horizontally slide is further arranged on the pre-assembly frame body 41. When the riveting piece clamping device is used, the pre-assembly lifting device acts to drive the riveting piece clamping device and the riveting piece assembling device to integrally lift up and descend, and the pre-assembly sliding device acts to drive the riveting piece clamping device and the riveting piece assembling device to integrally slide in the horizontal direction; during assembly, the riveting sheet clamping device firstly horizontally slides to move right above the riveting sheet taking station, then the riveting sheet clamping device descends to enable the riveting sheet clamping device to descend to the riveting sheet taking station to stop, then the riveting sheet clamping device acts to clamp the annular riveting sheet 92 at the riveting sheet taking station, the annular riveting sheet 92 is lifted and moved right above the riveting sheet pre-positioning device, then the riveting sheet clamping device descends to place the annular riveting sheet 92 on the riveting sheet pre-positioning device, the riveting sheet pre-positioning device adjusts the position of the annular riveting sheet 92 to enable the annular riveting sheet 92 to correspond to the installation angle of the spring annular group 91 waiting to be assembled, then the riveting sheet clamping device moves to the riveting sheet taking station again to clamp the next annular riveting sheet 92, and when the riveting sheet clamping device moves to the taking station to clamp the next annular riveting sheet 92, the riveting sheet assembling device moves to the riveting sheet pre-positioning device to clamp the pre-positioned annular riveting sheet 92, and when the riveting sheet clamping device moves to the riveting sheet pre-positioning device, the riveting sheet assembling device carries the pre-positioned annular riveting sheet 92 to move to a riveting station, the riveting sheet assembling device places the clamped annular riveting sheet 92 at the riveting station, the annular riveting sheet 92 is assembled to the top end of the spring annular group 91, and riveting connection of the riveting forming machine 5 is waited; in the process, the riveting sheet clamping device is matched with the riveting sheet assembling device for use, the riveting sheet clamping device clamps the annular riveting sheet 92 and then places the annular riveting sheet 92 on the riveting sheet pre-positioning device for pre-positioning adjustment, and then the riveting sheet assembling device clamps the positioned annular riveting sheet 92 and places the annular riveting sheet 92 on the riveting station.

The pre-assembly sliding device comprises a pre-assembly horizontal sliding rail 42 horizontally and fixedly installed on the pre-assembly frame body 41, a pre-assembly horizontal sliding seat 43 is installed on the pre-assembly horizontal sliding rail 42 in a sliding mode, a horizontally-arranged pre-assembly horizontal screw rod (not shown in the figure) is further arranged on the pre-assembly frame body 41, the pre-assembly horizontal sliding seat 43 is connected onto the pre-assembly horizontal screw rod in a threaded mode, the pre-assembly lifting device is installed on the pre-assembly horizontal sliding seat 43, and a pre-assembly horizontal motor 45 with a power end connected with the pre-assembly horizontal screw rod is installed on the pre-assembly frame body 41. The pre-assembly horizontal motor 45 is fixedly mounted on the pre-assembly frame body 41, and when the pre-assembly horizontal motor 45 rotates, the pre-assembly horizontal screw rod is driven to rotate, so that the pre-assembly horizontal sliding base 43 is driven to slide along the pre-assembly horizontal sliding rail 42, and therefore the pre-assembly lifting device mounted on the pre-assembly horizontal sliding base 43 can horizontally slide.

The pre-assembly lifting device comprises a pre-assembly vertical sliding rail 46 vertically fixed on the pre-assembly sliding device, a pre-assembly vertical sliding seat 47 is installed on the pre-assembly vertical sliding rail 46 in a sliding mode, a pre-assembly lifting cylinder 48 is further arranged on the pre-assembly sliding device, and the pre-assembly vertical sliding seat 47 is fixedly connected to a cylinder rod of the pre-assembly lifting cylinder 48. When the pre-assembly lifting cylinder 48 extends and shortens, the pre-assembly vertical slide 47 is driven to ascend and descend along the pre-assembly vertical slide rail 46.

The riveting sheet pre-positioning device comprises a pre-positioning fixing frame 49, a pre-positioning rotary table 410 used for bearing the annular riveting sheet 92 and a pre-positioning rotary motor 411 used for driving the pre-positioning rotary table 410 to rotate are mounted on the pre-positioning fixing frame 49, a riveting sheet positioning hole 412 used for corresponding to one riveting hole in the annular riveting sheet 92 is formed in the pre-positioning fixing frame 49, and a positioning hole detector 413 is arranged at the position of the riveting sheet positioning hole 412. After the annular riveting sheet 92 is concentrically placed on the pre-positioning turntable 410, the riveting holes on the periphery of the annular riveting sheet 92 are positioned outside the pre-positioning turntable 410 and are used for corresponding to the riveting sheet positioning holes 412; in the pre-positioning adjustment process, the pre-positioning rotating motor 411 slightly rotates to drive the pre-positioning turntable 410 to rotate in a smaller amplitude, so as to drive the annular riveting sheet 92 to rotate, when one riveting hole corresponds to the riveting sheet positioning hole 412, an induction signal sent by the positioning hole detector 413 is not blocked, at this time, the pre-positioning adjustment of the pre-positioning turntable 410 is finished, and the pre-positioning rotating motor 411 is controlled to stop rotating; when the sensing signal sent by the positioning hole detector 413 passes through the riveting piece positioning hole 412 and is blocked by the pre-positioning turntable 410, indicating that pre-positioning adjustment is not complete, the pre-positioning rotating motor 411 continues to rotate until one of the riveting holes corresponds to the riveting piece positioning hole 412. The positioning hole detector 413 may be a distance sensor, which is well known to those skilled in the art and will not be described herein.

The riveting sheet clamping device comprises a first pneumatic three-jaw clamp 414 fixedly mounted on the pre-assembly lifting device, the outer ends of three jaws of the first pneumatic three-jaw clamp 414 are respectively and fixedly mounted with a riveting sheet clamping arm 415, and the inner side of the outer end of each riveting sheet clamping arm 415 is provided with a riveting sheet clamping groove 416 and a riveting sheet clamping groove 41686 matched with the periphery of the annular riveting sheet 92. When clamping is carried out, the first pneumatic three-jaw clamp 414 controls the three clamping jaws to be opened and combined simultaneously, and when the clamping jaws are combined simultaneously, the three riveting sheet clamping arms 415 are driven to move inwards simultaneously, so that the three riveting sheet clamping grooves 416 are clamped by the riveting sheet clamping grooves 41686 and clamped at the periphery of the annular riveting sheet 92 simultaneously, the annular riveting sheet 92 is clamped, and when the annular riveting sheet 92 needs to be put down, the three clamping jaws are opened simultaneously. The rivet tab gripping groove 416 and the rivet tab gripping groove 41686 are of a transverse V-shaped structure for facilitating gripping of the annular rivet tab 92.

The riveting piece assembling device comprises a second pneumatic three-jaw clamp 417 fixedly mounted on the pre-assembling lifting device, riveting piece assembling arms 418 are fixedly mounted at the outer ends of three jaws of the second pneumatic three-jaw clamp 417 respectively, and a riveting piece assembling groove 419 matched with the periphery of the annular riveting piece 92 is formed in the inner side of the outer end of each riveting piece assembling arm 418; the riveting device further comprises a riveting positioning column 420 vertically and slidably mounted on the pre-assembly lifting device and used for being matched and plugged with one riveting hole in the annular riveting sheet 92, and the top end of the riveting positioning column 420 is connected with a lifting positioning cylinder 421 for controlling the riveting positioning column 420 to lift. The lifting positioning cylinder 421 is fixed on the pre-assembled lifting device, and the top end of the riveting positioning column 420 is fixed on the cylinder rod of the lifting positioning cylinder 421. Before the riveting piece pre-positioning device clamps the pre-positioned annular riveting piece 92, the lifting positioning cylinder 421 extends out to enable the riveting positioning column 420 to descend and be inserted into the corresponding riveting hole, then the riveting piece assembling device starts to clamp the annular riveting piece 92, when clamping is carried out, the two pneumatic three-jaw clamp 417 controls three jaws to open and close simultaneously, and when the jaws are closed simultaneously, the three riveting piece assembling arms 418 are driven to move inwards simultaneously, so that the three riveting piece assembling grooves 419 are clamped on the periphery of the annular riveting piece 92 simultaneously to clamp the annular riveting piece 92, when the annular riveting piece 92 needs to be put down, the riveting positioning column 420 is controlled to retract by the lifting positioning cylinder 421, and then the annular riveting piece 92 is placed on the spring assembling die 13 at the riveting station, three jack catchs open simultaneously can, every equal riveting hole of coil spring corresponds respectively this moment, and the mounted position between annular group of spring 91 and the annular riveting piece 92 is accurate. The rivet tab mounting slot 419 is a transverse V-shaped structure for facilitating gripping of the annular rivet tab 92. The first pneumatic three-jaw clamp 414 and the second pneumatic three-jaw clamp 417 are both pneumatic three-jaw clamps, and are known to those skilled in the art, and the pneumatic three-jaw clamp includes three jaws that can simultaneously move in the same direction and move outward, and the movement principle of the jaws is not described herein again.

Referring to fig. 9, the clamping and turning mechanism 3 includes a fixed turning frame 31, a clamping mechanism is mounted on the fixed turning frame 31, a turning seat sliding device for driving the clamping mechanism to horizontally slide is disposed on the fixed turning frame 31, a clamping and turning device for driving the clamping mechanism to horizontally turn is further disposed on the turning seat sliding device, and the clamping mechanism is fixed on the clamping and turning device. In the assembling process, after the riveting of the annular riveting sheet 92 and the annular spring group 91 at the riveting station is completed, a pre-assembled assembly is formed, the annular riveting sheet 92 faces upwards, the clamping and overturning device drives the clamping mechanism to overturn to one side of the riveting station, then the overturning seat sliding device drives the clamping mechanism to slide towards one side of the riveting station, so that the clamping mechanism slides to the position right above the riveting station, namely the position right above the pre-assembled assembly, the clamping mechanism acts at the moment and is used for clamping the pre-assembled assembly at the riveting station, and the clamping mechanism clamps the periphery of the annular riveting sheet 92 at the moment; then the clamping and overturning device acts to drive the clamping mechanism and the pre-assembly component to horizontally overturn for 180 degrees, the clamping mechanism and the pre-assembly component are overturned from one side of a riveting station to one side of an inserting station, the clamping mechanism acts to place the pre-assembly component at the position of the inserting station along with the action of the overturning seat sliding device, the spring ring group 91 faces upwards, then the device avoids and waits for the riveting connection between the ring-shaped inserting sheet 93 and the spring ring group 91, after the riveting is finished, the device continues to work, the clamping mechanism clamps the periphery of the ring-shaped inserting sheet 93, the overturning seat sliding device continues to slide towards one side of the discharging end of the inserting station to drive the clamping mechanism to convey the reset spring component to a conveying belt positioned at one side of the discharging end of the inserting station, and then the device resets to the riveting station, the clamping and the overturning are circularly realized; the utility model discloses a fixture can realize the centre gripping of annular slab, combines simultaneously centre gripping turning device can be with pre-assembly subassembly by riveting station level upset 180, and pass through the cooperation of upset seat slider is carried the work piece to the station of pegging graft, and whole in-process no longer needs the manual work to operate, and simple structure, convenient operation can effectively reduce artifical intensity of labour, improves production efficiency.

Referring to fig. 9, the turnover seat sliding device includes a horizontal sliding rail 32 of a turnover seat fixedly mounted on the turnover fixing frame body 31, a horizontal turnover sliding seat 33 is slidably mounted on the horizontal sliding rail 32 of the turnover seat, a horizontal screw 34 of the turnover seat horizontally arranged on the turnover fixing frame body 31 is further mounted on the turnover fixing frame body 31, the horizontal screw 34 of the turnover seat is fixedly connected to the turnover fixing frame body 31 through a support, the horizontal turnover sliding seat 33 is in threaded connection with the horizontal screw 34 of the turnover seat, a power end and a turnover seat sliding motor 35 fixedly connected with one end of the horizontal screw 34 of the turnover seat are fixedly mounted on the turnover fixing frame body 31, and the clamping and turnover device is fixed to the horizontal turnover sliding seat 33. The action of the turnover seat sliding motor 35 drives the turnover seat horizontal screw rod 34 to rotate, so as to drive the horizontal turnover sliding seat 33 to horizontally slide along the turnover seat horizontal sliding rail 32, so that the clamping turnover device fixed on the turnover seat horizontal sliding rail 32 horizontally slides between the riveting station and the plugging station.

The clamping and turning device comprises a turning rotating motor 318 fixedly installed on the turning seat sliding device, a vertically arranged turning rotating arm 36 is fixedly installed at a power end of the turning rotating motor 318, and the clamping mechanism is fixed at the outer end of the turning rotating arm 36. The power end fixedly connected with rotation axis 37 of upset rotating electrical machines 318, the support is installed in the both ends rotation of rotation axis 37, and the support is fixed on horizontal upset slide 33, upset swinging boom 36 fixed mounting is on rotation axis 37, works as when upset rotating electrical machines 318 rotates, can drive rotation axis 37 and upset swinging boom 36 upset, will the centre gripping have pre-assembly subassembly fixture upset for pre-assembly subassembly is by riveting 180 and remove to the grafting station of station upset.

And the overturning seat sliding device is also fixedly provided with overturning support frames 38 which are supported at two side ends of the overturning rotating arm 36 so as to enable the overturning rotating arm 36 to keep horizontal. The both sides of horizontal upset slide 33 are provided with upset support frame 38, upset support frame 38 mainly plays limiting displacement, works as upset swinging boom 36 contacts behind upset support frame 38, upset support frame 38 supports upset swinging boom 36 keeps the level, makes to install on upset swinging boom 36 fixture keeps the level, and is convenient fixture centre gripping is with placing the annular slab.

Referring to fig. 10, the clamping mechanism includes a clamping mounting plate 39 fixedly connected to the clamping turnover device, two clamping fitting arms 310 which are fitted with each other and used for clamping the pre-assembled component are provided on the clamping mounting plate 39, a fitting arm lifting device for driving the clamping fitting arms 310 to ascend and descend is provided on the clamping mounting plate 39, a fitting arm opening and closing driving device for driving the two clamping fitting arms 310 to open and close simultaneously is further provided on the fitting arm lifting device, and the two clamping fitting arms 310 are respectively installed on the fitting arm opening and closing driving device. Before clamping is prepared, the clamping mechanism is driven to be right above a pre-assembly mechanism 4 in a riveting station, then the matching arm opening and closing driving device acts to enable the two clamping matching arms 310 to be in an open state, then the matching arm lifting device acts to drive the matching arm opening and closing device and the two clamping matching arms 310 mounted on the matching arm opening and closing device to descend to be basically level with the annular riveting sheet 92, then the matching arm opening and closing driving device acts again to enable the two clamping matching arms 310 to be gradually combined from the open state to enable the two clamping matching arms 310 to be clamped on the periphery of the annular riveting sheet 92, then the matching arm lifting device acts to control the clamping matching arms 310 carrying the annular riveting sheet 92 to ascend to a certain height, and then the clamping mechanism is jointly acted with the clamping turnover device by the turnover seat sliding device, the clamping mechanism is driven to the inserting station, the two clamping matching arms 310 are controlled to gradually open, the pre-assembly component is placed on the inserting station, the annular spring set is located above the annular riveting sheet 92, and after the annular riveting sheet 93 is assembled, the clamping mechanism clamps the periphery of the annular riveting sheet 93 and carries the reset spring component to a conveying belt at the discharge end of the riveting station. The two clamping matching arms 310 are arranged symmetrically left and right to realize the opening and closing effect. The clamping mechanism can be used in the forward direction, the forward use state is shown in fig. 9, and the clamping mechanism can also be used in the reverse direction after being turned over for 180 degrees.

The cooperation arm elevating gear includes vertical fixed mounting and is in the vertical slide rail 311 of cooperation arm on the centre gripping mounting panel 39, slidable mounting has the vertical slide seat 312 of cooperation arm on the vertical slide rail 311 of cooperation arm, centre gripping mounting panel 39 with be connected with the drive between the vertical slide seat 312 of cooperation arm the cooperation arm opens and shuts the cooperation arm lift cylinder 313 that drive arrangement ascended and descend, the cooperation arm opens and shuts drive arrangement and installs on the vertical slide seat 312 of cooperation arm. The matching arm lifting cylinder 313 is fixed on the clamping mounting plate 39, a cylinder rod of the matching arm lifting cylinder 313 is fixedly connected with the matching arm vertical sliding seat 312, and when the cylinder rod of the matching arm lifting cylinder 313 extends or shortens, the matching arm vertical sliding seat 312 is driven to ascend and descend along the matching arm vertical sliding rail 311, so that the matching arm opening and closing driving device and the two clamping matching arms 310 are driven to ascend and descend.

The matching arm opening and closing driving device comprises a matching arm horizontal sliding rail 314 fixedly installed on the matching arm lifting device, a left opening and closing driving cylinder 315 and a right opening and closing driving cylinder 316 are further fixedly installed on the matching arm lifting device, one clamping matching arm 310 is fixedly installed on a cylinder rod of the left opening and closing driving cylinder 315 and slides along the matching arm horizontal sliding rail 314, and the other clamping matching arm 310 is fixedly installed on a cylinder rod of the right opening and closing driving cylinder 316 and slides along the matching arm horizontal sliding rail 314. The horizontal sliding rail 314 of the mating arm is fixed on the vertical sliding seat 312 of the mating arm through a fixing plate, and two ends of the horizontal sliding rail 314 of the mating arm extend out of the fixing plate for being matched with the clamping mating arm 310; the cylinder bodies of the left opening and closing driving cylinder 315 and the right opening and closing driving cylinder 316 are fixedly connected and fixed on the fixing plate, meanwhile, the cylinder rod of the left opening and closing driving cylinder 315 is horizontally arranged towards the left side, and the cylinder rod of the right opening and closing driving cylinder 316 is horizontally arranged towards the right side; during operation, the left opening and closing driving cylinder 315 and the right opening and closing driving cylinder 316 simultaneously operate, the two cylinder rods simultaneously extend and shorten, so that the horizontal sliding motion and the amplitude of the two clamping cooperation arms 310 are consistent, when the two cylinder rods simultaneously extend, the two clamping cooperation arms 310 respectively slide outwards along the cooperation arm horizontal sliding rails 314 to realize the opening motion, and when the two cylinder rods simultaneously shorten, the two clamping cooperation arms 310 respectively slide inwards along the cooperation arm horizontal sliding rails 314 to realize the combining motion.

The inner sides of the outer ends of the two clamping and matching arms 310 are respectively provided with a matching arm clamping groove 317 matched with the annular plate. The mating arm gripping groove 317 is an arc-shaped groove. In this embodiment, the clamping mechanism is configured to be matched with the annular rivet 92 or the annular insertion piece 93 in the return spring assembly, if the annular rivet 92 and the annular insertion piece 93 have the same size, one matching arm clamping groove 317 is provided, and if the annular rivet 92 and the annular insertion piece 93 have different sizes, two matching arm clamping grooves 317 are provided and are respectively matched with the annular rivet 92 and the annular insertion piece 93. After the pre-assembly is assembled, one of the matching arm clamping grooves 317 is used for clamping the annular riveting sheet 92, after the assembly is turned over to a riveting station and a reset spring assembly is formed after riveting is completed, the other matching arm clamping groove 317 is used for clamping the annular inserting sheet 93 to clamp the reset spring assembly on a conveying belt, and the next procedure is carried out.

Referring to fig. 11, the final assembly mechanism 7 includes a final assembly frame body 71, an insertion piece pre-positioning device is disposed in front of the final assembly frame body 71, an insertion piece overturning station is further disposed on the final assembly frame body 71 between the insertion piece pre-positioning device and the insertion piece taking station, an insertion piece overturning device is correspondingly and fixedly mounted at the insertion piece overturning station, an insertion piece taking device reciprocating between the insertion piece taking station and the insertion piece overturning station, an insertion piece clamping device reciprocating between the insertion piece overturning station and the insertion piece pre-positioning device, and an insertion piece assembling device reciprocating between the insertion piece pre-positioning device and the insertion station are disposed on the final assembly frame body 71, the insertion piece overturning device is fixedly mounted on the final assembly frame body 71 and located below the insertion piece clamping device, and a driving insertion piece taking device is further disposed on the final assembly frame body 71, The assembling device comprises a plug sheet clamping device and a final assembling lifting device for ascending and descending the plug sheet assembling device, and a final assembling sliding device for driving the final assembling lifting device to horizontally slide is further arranged on the final assembling frame body 71. When the assembling device is used, the final assembling sliding device acts to drive the whole inserting sheet taking device, the inserting sheet clamping device and the inserting sheet assembling device to slide in the horizontal direction, and the final assembling lifting device acts to drive the whole inserting sheet taking device, the whole inserting sheet clamping device and the whole inserting sheet assembling device to ascend and descend; during assembly, the inserting sheet taking device takes out the annular inserting sheet 93 stacked at the inserting sheet taking station, then the inserting sheet taking device horizontally slides to move right above the inserting sheet overturning device, the inserting sheet taking device drives the annular inserting sheet 93 to descend to the inserting sheet overturning station, the inserting sheet overturning device is matched to act to take down the annular inserting sheet 93 from the inserting sheet taking device, if the annular inserting sheet 93 is located forward upwards, the inserting sheet overturning device does not overturn and keeps the action, and if the annular inserting sheet 93 is located backward upwards, the inserting sheet overturning device overturns 180 degrees to enable the annular inserting sheet 93 to be forward upwards; when the inserting sheet taking device is reset to the inserting sheet taking station, the inserting sheet clamping device moves to the inserting sheet overturning station, the annular inserting sheet 93 at the inserting sheet overturning station is taken away, then the annular inserting sheet clamping device moves to the inserting sheet pre-positioning device, the annular inserting sheet 93 is placed on the inserting sheet pre-positioning device to perform pre-positioning adjustment, then the inserting sheet clamping device is reset to the inserting sheet overturning station, the inserting sheet assembling device moves to the inserting sheet pre-positioning device, the annular inserting sheet 93 at the inserting sheet pre-positioning device is taken away, then the annular inserting sheet 93 moves to the inserting station, and the annular inserting sheet 93 is placed on the inserting station to perform inserting connection; in this process, insertion piece extracting device, insertion piece clamping device, insertion piece assembly quality cooperation are used, realize that annular insertion piece 93 gets the motion path of material station to insertion piece upset station, insertion piece prepositioning device, riveting station in proper order by the insertion piece, can realize the upset of insertion piece in insertion piece upset station department simultaneously, and this process automation degree is high, easy operation, can effectively improve production efficiency, and can also guarantee annular insertion piece 93's installation accuracy.

When annular inserting piece 93 feeds and superposes, because vertical riveting teeth are arranged on annular inserting piece 93, in order to save space during superposition, two adjacent annular inserting pieces 93 are oppositely arranged, namely one is forward and upward, and the other is forward, therefore, when annular inserting piece 93 is assembled, if the annular inserting piece 93 is forward and upward, the annular inserting piece 93 can be directly assembled, and the reverse and upward needs to turn over the annular inserting piece 93 by 180 degrees, so that the assembly is carried out after the forward and upward, therefore, in the embodiment, the turning over of the annular inserting piece 93 is realized through the inserting piece turning device, namely, the reverse annular inserting piece 93 is turned over for one more step relative to the forward annular inserting piece 93.

The final assembly sliding device comprises a horizontal fixed mounting, a final assembly horizontal sliding rail 72 on a final assembly frame body 71, a final assembly horizontal sliding seat 73 is arranged on the final assembly horizontal sliding rail 72 in a sliding mode, a final assembly horizontal screw rod (not shown in the drawing) horizontally arranged on the final assembly frame body 71 is further arranged, the final assembly horizontal sliding seat 73 is in threaded connection with the final assembly horizontal screw rod, a final assembly lifting device is arranged on the final assembly horizontal sliding seat 73, and a final assembly horizontal motor 74 connected with the final assembly horizontal screw rod is fixedly arranged on the final assembly frame body 71 in a power end mode. The final-assembly horizontal motor 74 is fixedly installed on the final-assembly frame body 71, and when the final-assembly horizontal motor 74 rotates, the final-assembly horizontal screw rod is driven to rotate, so that the final-assembly horizontal slide carriage 43 is driven to slide along the final-assembly horizontal slide rail 72, and the final-assembly lifting device installed on the final-assembly horizontal slide carriage 73 horizontally slides.

The final assembly lifting device comprises a vertical final assembly vertical slide rail 75 vertically fixed on the final assembly sliding device, a final assembly vertical slide seat 76 is slidably mounted on the final assembly vertical slide rail 75, a final assembly lifting cylinder 77 is further arranged on the final assembly sliding device, and the final assembly vertical slide seat 76 is fixedly connected to a cylinder rod of the final assembly lifting cylinder 77. When the final-assembly lifting cylinder 77 extends and shortens, the final-assembly vertical slide 76 is driven to ascend and descend along the final-assembly vertical slide rail 75.

The inserting sheet pre-positioning device comprises a final positioning fixing frame 78, a final positioning turntable 79 used for bearing the annular inserting sheet 93 and a final positioning rotating motor 710 driving the final positioning turntable 79 to rotate are mounted on the final positioning fixing frame 78, and a final positioning detector 711 used for corresponding to the annular inserting sheet 93 is arranged on the final positioning fixing frame 78. After the annular insertion piece 93 is concentrically placed on the final positioning turntable 79, a slit between two adjacent insertion teeth on the periphery of the annular insertion piece 93 corresponds to the final positioning detector 711; in the adjusting process, the final positioning rotating motor 710 slightly rotates to drive the final positioning turntable 79 to rotate in a small amplitude, so as to drive the annular insertion sheet 93 to rotate, when the sensing signal generated by the final positioning detector 711 is not shielded, the representative signal passes through a slit between two insertion teeth, the adjustment is finished, and the final positioning rotating motor 710 is controlled to stop rotating; when the sensing signal from the final position detector 711 does not pass through the slit between the two, but contacts the inserted tooth and is blocked, the positioning adjustment is not complete, and the final position rotating motor 710 continues to rotate until the sensing signal is not blocked. The final position detector 711 may be a distance sensor, which is well known to those skilled in the art and will not be described herein.

The inserting sheet taking device comprises a pneumatic three-jaw clamp third 712 fixedly mounted on the final assembly lifting device, inserting sheet taking arms 713 are fixedly mounted at the outer ends of three jaws of the pneumatic three-jaw clamp third 712 respectively, and an inserting sheet arc-shaped inner support 714 matched with the inner periphery of the annular inserting sheet 93 is arranged at the outer end of each inserting sheet taking arm 713. When the clamping device is used for clamping, the three pneumatic three-jaw clamp 712 controls the three jaws to simultaneously open and close, and simultaneously drives the three inserting sheet material taking arms 713 to simultaneously move outwards when the three inserting sheet material taking arms are opened, so that the three inserting sheet arc inner supports 714 are simultaneously supported on the inner periphery of the annular inserting sheet 93 to support the annular inserting sheet 93, and when the annular inserting sheet 93 needs to be put down, the three jaws are simultaneously closed, and then the annular inserting sheet 93 can be loosened. Because the annular inserting pieces 93 are placed in the forward direction and the reverse direction when being stacked, the annular inserting pieces 93 placed in the reverse direction cannot be clamped in a clamping manner, and the arc-shaped inner supports 714 of the inserting pieces are matched with the inner peripheries of the annular inserting pieces 93 to realize the material taking function. Meanwhile, the insertion piece taking device is matched in an inner supporting mode, the insertion piece overturning device clamps the periphery in a clamping mode, interference cannot be caused between the insertion piece overturning device and the clamping mode, and the insertion piece taking device can be conveniently and orderly carried out.

The plug sheet clamping device and the plug sheet assembling device have the same structure and are only arranged at different positions. The inserting sheet clamping device/inserting sheet assembling device comprises a pneumatic three-jaw clamp four 715 fixedly mounted on the final assembly lifting device, inserting sheet clamping arms 716 are respectively fixedly mounted at the outer ends of three clamping jaws of the pneumatic three-jaw clamp four 715, and an inserting sheet clamping groove 717 matched with the periphery of the annular inserting sheet 93 is formed in the inner side of the outer end of each inserting sheet clamping arm 716. When the clamp is used, the four 715 pneumatic three-jaw clamp controls the three jaws to simultaneously open and close, and when the jaws are closed, the three clamping arms 716 are driven to simultaneously move inwards to enable the three clamping grooves 717 to be simultaneously clamped at the periphery of the annular inserting sheet 93, so that the annular inserting sheet 93 is clamped, and when the annular inserting sheet 93 needs to be put down, the three jaws are simultaneously opened. The insertion piece clamping groove 717 is a transverse V-shaped structure and is used for facilitating clamping of the annular insertion piece 93. The third pneumatic three-jaw clamp 712 and the fourth pneumatic three-jaw clamp 715 are both pneumatic three-jaw clamps, which are known to persons skilled in the art and belong to the prior art, and the pneumatic three-jaw clamp includes three jaws that can simultaneously move in the same direction and move outward, and the movement principle of the jaws is not described herein again.

The jack turning device includes a jack rotating motor (not shown) fixedly installed on the final assembly housing 71, the power end of the insertion piece rotating motor is fixedly provided with an overturning mounting plate 718, the overturning mounting plate 718 is fixedly provided with a horizontally arranged clamping horizontal sliding rail 719, the overturning mounting plate 718 is also fixedly provided with a left clamping driving cylinder 720 and a right clamping driving cylinder 721, a left clamping rotating arm 722 sliding along the clamping horizontal sliding rail 719 is fixedly arranged at the cylinder rod end of the left clamping driving cylinder 720, a right clamping rotating arm 723 which slides along the clamping horizontal sliding rail 719 is fixedly arranged at the rod end of the right clamping driving cylinder 721, the inner sides of the outer ends of the left clamping rotating arm 722 and the right clamping rotating arm 723 are respectively provided with a rotating arm clamping groove 724 for matching with the periphery of the clamping annular insertion sheet 93. The two ends of the clamping horizontal sliding rail 719 extend out of the turnover mounting plate 718 to be matched with the left clamping rotating arm 722 and the right clamping rotating arm 723, the cylinder bodies of the left clamping driving cylinder 720 and the right clamping driving cylinder 721 are fixedly connected and fixed on the turnover mounting plate 718, meanwhile, the cylinder rod of the left clamping driving cylinder 720 is horizontally arranged towards the left side, and the cylinder rod of the right clamping driving cylinder 721 is horizontally arranged towards the right side; when the insertion piece taking device clamps the annular insertion piece 93 and is positioned right above the insertion piece overturning station, firstly, the left clamping driving cylinder 720 and the right clamping driving cylinder 721 act simultaneously, the two cylinder rods extend simultaneously, so that the left clamping rotating arm 722 and the right clamping rotating arm 723 slide outwards along the clamping horizontal sliding rail 719 respectively to realize opening action, then the insertion piece taking device drives the annular insertion piece 93 to descend to the insertion piece overturning station, at the moment, when the two cylinder rods shorten simultaneously, the left clamping rotating arm 722 and the right clamping rotating arm 723 slide inwards along the clamping horizontal sliding rail 719 respectively to realize combining action, so that the periphery of the annular insertion piece 93 is clamped in the rotating arm clamping groove 724, the insertion piece taking device resets, and if the annular insertion piece 93 is right-side-up at the moment, the insertion piece rotating motor does not act, waiting for the insertion piece clamping device to take the annular insertion piece 93 away, if the reverse side of the annular insertion piece 93 faces upwards, the insertion piece rotating motor acts to drive the overturning mounting plate 718 to horizontally rotate 180 degrees, namely the normal orientation of the annular insertion piece 93, and then waiting for the insertion piece clamping device to take the overturned annular insertion piece 93 away.

The three insertion piece clamping arms 716 on the insertion piece clamping device are arranged in a staggered mode with the right clamping rotating arm 723 and the left clamping rotating arm 722, namely the positions of the annular insertion piece 93 clamped by the insertion piece overturning device are different from the clamping positions of the insertion piece clamping device, so that when the annular insertion piece 93 is clamped by the insertion piece overturning device, the three insertion piece clamping arms 716 of the insertion piece clamping device can still clamp the annular insertion piece 93, and when the annular insertion piece 93 is clamped by the insertion piece clamping device, the insertion piece overturning device is released again.

The riveting forming machine 5 comprises a riveting forming machine 5 body, a riveting forming pressure head which is located at a riveting station and can lift is mounted on the riveting forming machine 5 body, the riveting forming pressure head is correspondingly arranged above the spring assembling die 13 which is located at the riveting station, and a forming hole matched with the riveting hole of the annular riveting sheet 92 is formed in the surface of the riveting forming pressure head.

The inserting molding machine 6 comprises an inserting molding machine 6 body, an inserting molding base which is located at an inserting station and used for bearing the reset spring assembly is installed on the inserting molding machine 6 body, a liftable inserting molding pressure head is correspondingly arranged above the inserting molding base, and the surface of the inserting molding pressure head is a plane matched with the top surface of the annular inserting sheet 93. The riveting forming machine 5 and the inserting forming machine 6 are forming machines, are well known to those skilled in the art, and the structure and the working principle thereof are not described herein.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Automatic production line of automatic transmission reset spring subassembly, its characterized in that includes:

2. The automatic transmission return spring assembly production line according to claim 1, characterized in that: the assembly rotary disc comprises a rotary disc body and a disc body driving device for driving the rotary disc body to rotate horizontally, and the spring assembly mold is fixedly arranged on the periphery of the top end of the rotary disc body; the spring assembling die comprises an assembling die seat fixedly installed at the top end of the rotary disc body, and an annular inserting group which is of an annular structure and used for assembling an annular group of springs is fixedly installed on the assembling die seat; the annular inserting group comprises a plurality of spring assembling columns which are annularly arranged and used for respectively inserting and connecting the spiral springs.

3. The automatic transmission return spring assembly production line according to claim 1, characterized in that: the spring feeding mechanism comprises a spring feeding frame body, an intermittent blanking control device which is communicated with the storage mechanism and used for leading out the spiral springs in the storage mechanism in sequence intermittently is mounted on the spring feeding frame body, a disc type rotary temporary storage device which is used for collecting the spiral springs led out intermittently in sequence is correspondingly arranged at the blanking port of the intermittent blanking control device, and a plurality of spiral springs which are used for collecting are correspondingly arranged at the blanking port of the disc type rotary temporary storage device and are guided to a guide pipe guide discharging device on the spring assembling die.

4. The automatic transmission return spring assembly production line according to claim 1, characterized in that: the riveting sheet material preparing mechanism/inserting sheet material preparing mechanism comprises a rotary material preparing frame and a material preparing frame driving device for driving the rotary material preparing frame to rotate horizontally, a plurality of material preparing stacking areas sequentially and circularly switched to riveting sheet material taking stations/inserting sheet material taking stations are arranged on the periphery of the rotary material preparing frame, a plurality of annular riveting sheets/annular inserting sheets are stacked in the material preparing stacking areas, and an installation ring lifting device used for supporting and pushing the stacked annular riveting sheets/annular inserting sheets to ascend to the top surface of the rotary material preparing frame sequentially is arranged at the position, corresponding to the riveting sheet material taking stations/inserting sheet material taking stations, outside the rotary material preparing frame.

5. The automatic transmission return spring assembly production line according to claim 1, characterized in that: preassembling mechanism includes the preassembling support body, the place ahead of preassembling support body is provided with riveting piece pre-positioning device, be provided with on the preassembling support body and get the riveting piece clamping device of reciprocating motion between material station and riveting piece pre-positioning device at the riveting piece and get the riveting piece assembly quality of device and reciprocating motion between riveting piece pre-positioning device and riveting station, still be provided with the drive on the preassembling support body and rivet the piece and press from both sides the device, the ascending and descending preassembling elevating gear of riveting piece assembly quality, still be provided with the drive on the preassembling support body preassembling elevating gear horizontal slip's preassembling slider.

6. The automatic transmission return spring assembly production line according to claim 1, characterized in that: the clamping and overturning mechanism comprises an overturning fixing frame body, a clamping mechanism is installed on the overturning fixing frame body, a driving mechanism is arranged on the overturning fixing frame body, an overturning seat sliding device capable of horizontally sliding the clamping mechanism is arranged on the overturning seat sliding device, a driving mechanism is further arranged on the overturning seat sliding device, the clamping mechanism horizontally overturns, and the clamping mechanism is fixed on the clamping and overturning device.

7. The automatic transmission return spring assembly production line according to claim 6, characterized in that: the clamping mechanism comprises a clamping mounting plate fixedly connected to the clamping turnover device, two clamping matching arms which are mutually matched and used for clamping the pre-assembly are arranged on the clamping mounting plate, a driving device is arranged on the clamping mounting plate, a matching arm lifting device which is used for driving the clamping matching arms to ascend and descend is further arranged on the matching arm lifting device, a driving device for driving the clamping matching arms to open and close is further arranged on the matching arm lifting device, and the two clamping matching arms are respectively arranged on the matching arm opening and closing driving device.

8. The automatic transmission return spring assembly production line according to claim 1, characterized in that: the final assembly mechanism comprises a final assembly frame body, an inserting sheet pre-positioning device is arranged in front of the final assembly frame body, an inserting sheet overturning station is also arranged on the final assembly frame body and positioned between the inserting sheet pre-positioning device and the inserting sheet taking station, an inserting sheet overturning device is correspondingly and fixedly installed at the inserting sheet overturning station, an inserting sheet taking device which reciprocates between the inserting sheet taking station and the inserting sheet overturning station, an inserting sheet clamping device which reciprocates between the inserting sheet overturning station and the inserting sheet pre-positioning device, an inserting sheet assembling device which reciprocates between the inserting sheet pre-positioning device and the inserting station are arranged on the final assembly frame body, and a final assembly lifting device which drives the inserting sheet taking device, the inserting sheet clamping device and the inserting sheet assembling device to ascend and descend is also arranged on the final assembly frame body, and the final assembly frame body is also provided with a final assembly sliding device for driving the final assembly lifting device to horizontally slide.

9. The automatic transmission return spring assembly production line according to claim 1, characterized in that: the riveting forming machine comprises a riveting forming machine body, wherein a riveting forming pressure head capable of lifting at a riveting station is mounted on the riveting forming machine body, and the riveting forming pressure head is correspondingly arranged above the spring assembling die at the riveting station.

10. The automatic transmission return spring assembly production line according to claim 1, characterized in that: the plug-in forming machine comprises a plug-in forming machine body, a plug-in forming base which is located at a plug-in station and used for receiving the reset spring assembly is installed on the plug-in forming machine body, and a liftable plug-in forming pressure head is correspondingly arranged above the plug-in forming base.