CN209867921U

CN209867921U - Automatic lock core turning groove broacher

Info

Publication number: CN209867921U
Application number: CN201920028775.8U
Authority: CN
Inventors: 彭长震; 王柱
Original assignee: CAOXIAN JINGRUI MACHINERY LOCK Co Ltd
Current assignee: CAOXIAN JINGRUI MACHINERY LOCK Co Ltd
Priority date: 2019-01-08
Filing date: 2019-01-08
Publication date: 2019-12-31
Anticipated expiration: 2029-01-08

Abstract

The utility model provides an automatic lock core turning groove broacher belongs to mechanical technical field. The lock cylinder processing machine tool solves the problems of dispersed processing procedures, low processing efficiency and the like of the existing lock cylinder processing machine tool. The automatic lock core turning groove broacher comprises a lathe bed base, a bar feeding component, a numerical control main shaft component, a turning cutter group component, a lock core conveying component, a vibration feeding component and a groove broacher component. A bar feeding component coaxial with the numerical control main shaft is placed outside the lathe bed, a plate feeding system sends batches of lock cylinder bars into the numerical control main shaft, a structure capable of automatically clamping and loosening the lock cylinder is arranged in the numerical control main shaft, the sent lock cylinder is turned and formed according to a program and is cut off, the lock cylinder falls into a lock cylinder conveying component, the lock cylinder is sent into a vibration feeding component through a conveying belt, the lock cylinder is quantitatively sent into a groove drawing component, and therefore the lock cylinder groove drawing processing is completed. The utility model has the advantages of high processing efficiency, convenient product replacement, labor saving and the like.

Description

Automatic lock core turning groove broacher

Technical Field

The invention belongs to the technical field of lock cylinder processing machinery, and relates to an automatic lock cylinder turning groove broacher.

Background

The lock core is the core part of the lockset, a key is inserted in the lock core, and the lock core is externally connected with a lock shell. The quality of the lock core processing quality directly influences the overall performance of the lockset. The excircle and the internal key slot of the lock core are important parts to be ensured. The existing lock cylinder and slot drawing process of the machine car is separately processed, the efficiency is low, the flexible production of customers cannot be met, a car lock cylinder machine and a slot drawing machine are purchased simultaneously when one lock cylinder is produced, and the cost is high. Meanwhile, when the product is replaced, the sizes of the two machines need to be adjusted. In addition, the existing single-process vehicle lock cylinder and single-process groove drawing machine are backward in structure and cannot meet the modern requirements for high precision and diversity of locksets.

Disclosure of Invention

The invention provides an automatic lock core turning slot broacher which is multipurpose, high in working efficiency and low in cost to make up the defects of the prior art.

The purpose of the invention can be realized by the following technical scheme:

the automatic lock core turning groove broacher comprises a lathe body, a numerical control main shaft component, a turning cutter group component, a lock core conveying component, a vibration feeding component and a groove broacher component, wherein the numerical control main shaft component, the turning cutter group component, the lock core conveying component, the vibration feeding component and the groove broacher component are arranged on the lathe body, and one side of the lathe body is connected with a bar feeding component.

The bar feeding component sends batches of lock cylinder bars into the numerical control main shaft, a structure capable of automatically clamping and loosening the lock cylinder is arranged in the numerical control main shaft, the numerical control main shaft component clamps the bars and rotates, the turning cutter group component finishes turning of the lock cylinder, the lock cylinder is cut off after turning forming and falls into a conveying belt of the lock cylinder conveying component, the conveying belt sends the bars into the vibration feeding component, and the lock cylinder is quantitatively sent into the groove-drawing component, so that the lock cylinder groove-drawing processing is finished.

The bar feeding part is coaxial with the numerical control main shaft; the bar feeding part comprises a servo motor, a transmission device and a pushing rod which are connected with each other, and the transmission device adopts a chain wheel and chain pair, a belt pulley pair or a synchronous belt; the chain, the belt or the synchronous belt is provided with a material hook, the bed body is provided with a material hook seat, the material hook and the material hook seat hook the material pushing rod from two sides, the material hook seat is provided with an opening through which the material feeding hook passes, and the servo motor drives the material pushing rod to move forwards through the material hook to push the lock cylinder rod.

The numerical control main shaft component comprises a numerical control main shaft, and a control mechanism for controlling the clamping and loosening of the lock cylinder bar is arranged on the numerical control main shaft; the control mechanism comprises an air cylinder, a main shaft shifting fork, an elastic sleeve, a pull rod and an elastic chuck, the air cylinder is arranged on a main shaft seat and connected with the main shaft shifting fork, the other end of the main shaft shifting fork is hinged with the main shaft seat, a sliding sleeve capable of sliding is sleeved on the numerical control main shaft, and the main shaft shifting fork is arranged on the outer ring of the sliding sleeve; the numerical control spindle is internally provided with a pull rod which can move left and right, one end of the pull rod is connected with an elastic chuck with a plurality of flaps, the other end of the pull rod is connected with a cap, the end surface of the cap is contacted with an elastic sleeve, the elastic sleeve consists of two circular pieces which are connected together by a bolt, the bolt is sleeved with a tension spring, the two circular pieces are attached together under the action of the spring, in addition, the left circular piece is uniformly provided with 3 pressing claws, the tail ends of the pressing claws are inserted into the shell of the numerical control spindle, and a sliding sleeve can be contacted with the three pressing claws; the numerical control main shaft is provided with a belt wheel which is connected with a main motor through a belt.

In foretell automatic lock core turning groove broacher, numerical control spindle unit, stretch out when the cylinder and drive the main shaft shift fork and move backward, the slip cap slides and contacts with the three pressure claw of afterbody, will lean on the inner wall of numerical control main shaft after pressing the claw lower part and swing certain angle, under the reaction force effect, the elastic sleeve drives the pull rod and moves backward, the collet at the end of the pull rod contacts with the inside conical surface of numerical control main shaft to it presss from both sides tight lock core bar to drive collet, when the cylinder withdraws, under the effect of elastic sleeve spring, the pull rod antedisplacement, collet opens.

In the automatic lock cylinder turning groove broacher, the turning cutter set is installed on a turning lock cylinder support, the lower portion of the turning lock cylinder support is connected with a lathe bed, the numerical control cutter set comprises an excircle turning part, a groove and a drilling cutter set, the three parts are driven by a servo motor to realize precise walking, the excircle turning part and the cutting cutter set are connected with the servo motor through a coupler, a connecting rod nut seat is installed on a movable plate, two sides of the movable plate are installed on sliders of linear guide rails and can bear large lateral force, the excircle turning part and the groove cutter set are installed on a height-adjustable lathe tool seat, the lathe tool seat is composed of a movable seat and an installation seat, the excircle turning part and the groove cutter set are connected through a spigot, an adjusting screw is installed on the upper portion of the installation seat, the lower portion of the adjusting screw is connected with the movable seat, and. The drilling cutter set structure is different from turning and cutting, a drill bit is arranged on a drill chuck, the other end of the drill chuck is inserted into a tailstock main shaft, two ends of the tailstock main shaft are arranged in a tailstock through two linear bearings, the lower part of the tailstock is connected with a lathe body of a lock core, and a key groove is formed in the joint, so that the relative position of a cutter can be conveniently adjusted. Servo motor is equipped with to the tip of tailstock, the inside of tailstock main shaft is provided with the tailstock lead screw simultaneously, nut on the tailstock lead screw is in the same place with tailstock main shaft installation, and tailstock main shaft and tailstock sliding fit, it has the keyway to open on the tailstock main shaft simultaneously, install the pin on the tailstock, the pin inserts in the epaxial keyway of tailstock, the tailstock lead screw passes through the coupling joint with servo motor, under servo motor's drive, the tailstock lead screw is rotatory, the tailstock main shaft can only linear movement under the restriction of pin, thereby realize feeding and retreating of shaping sword such as drill bit.

In the automatic lock cylinder turning groove broacher, the lock cylinder conveying component comprises a first conveying belt support, a second conveying belt support, a conveying belt driven wheel, a speed reducer connecting seat, a speed reducer and a groove type conveying belt. Conveyer belt support one is connected with car lock core lathe bed 1, install angularly adjustable conveyer belt support two on conveyer belt support one, both realize articulatedly through the round pin axle, the circular recess has been milled in the periphery of round pin axle, the circular recess is concentric with the round pin axle, loosen the regulation that the bolt on the circular recess can realize the angle, in addition, the speed reducer connecting seat is still installed to the one end at conveyer belt support two, install gear motor on the connecting seat, there is the conveyer belt driving shaft that supports through the bearing connecting seat inside, the cladding has the hold-in range of slot-like on driving shaft and driven shaft. Under the drive of the motor, the synchronous belt rotates to convey the lock cylinder in the groove to the vibration disc of the vibration feeding component.

In the automatic lock cylinder turning groove broacher, the vibration feeding part is used for uniformly storing the lock cylinders collected from the turning station and feeding the lock cylinders into the feeding structure of the groove broacher one by one according to the working rhythm of the groove broacher. The part mainly comprises a vibration disc, a straight vibrator, a straight vibration support, a material pipe support 2, a blanking lengthening support and a material pipe support 1, wherein the vibration disc is of a double-discharging structure, each outlet of the vibration disc is provided with the blanking lengthening support, the side edge of the blanking lengthening support is arranged on the blanking support 2, the blanking support is arranged on the straight vibrator, a lock cylinder coming out of the vibration disc moves forwards under the action of straight vibration force of the straight vibrator, the material pipe support 1 is arranged at the end of the blanking lengthening support, the lock cylinder enters a spring hose connected with the lock cylinder from the material pipe support 1, the other end of the spring hose is connected with a lock cylinder feeding strip, and the lock cylinder feeding strip feeds the lock cylinder into a feeding part of a slot-drawing component one by one.

In the automatic lock core turning groove broacher, the groove broacher component comprises a feeding part and a cutting part. The feeding part comprises a lock cylinder baffle, a lock cylinder clamp seat, a lock cylinder feeding pressure plate, a lock cylinder feeding bottom plate, a lock cylinder adjusting dovetail I, a lock cylinder adjusting dovetail II and a lock cylinder adjusting dovetail III, the lock cylinder adjusting dovetail I and the lock cylinder adjusting dovetail II are connected together to realize front-back adjustment, the lock cylinder adjusting dovetail I and the lock cylinder adjusting dovetail II are connected together to realize up-down adjustment and are arranged on a lathe bed, the lock cylinder feeding pressure plate is arranged on the lock cylinder adjusting dovetail II, a notch is formed in the upper part of the feeding pressure plate, the lock cylinder baffle capable of moving back and forth is arranged in the notch, a lock cylinder in a lock cylinder feeding strip abuts against the side surface of the lock cylinder baffle under the action of gravity, when the lock cylinder baffle retreats, the lock cylinder is fed into the lock cylinder clamp seat arranged at the front part, the cutting part comprises a slot broaching tool, a slot moving plate, and a discharging claw is arranged beside the slot-drawing knife, the discharging claw is retracted during cutting, and the discharging claw pops out under the action of a spring during cutting retraction to discharge the lock cylinder in the lock cylinder clamp seat and drop into a blanking hopper arranged in the lathe bed. In addition, the lower part of the broach moving plate is provided with a hydraulic oil cylinder, a hydraulic station is arranged in the lathe bed, the oil cylinder and the reversing valve of the hydraulic station adopt buffer structures, the impact generated during reversing is very small, the processing stability is ensured, and the noise of the machine is reduced. The hydraulic power is adopted here, and a power mode that a servo motor drives a screw rod to transmit can also be adopted.

The invention has the beneficial effects that: the equipment car lock core and the groove drawing process work simultaneously, run synchronously, are controlled by a full-automatic computer, and have the advantages of high processing efficiency, convenience in product replacement, labor saving and the like. The lock cylinder processing machine tool solves the problems of dispersed processing procedures, low processing efficiency and the like of the existing lock cylinder processing machine tool. The automatic groove broaching machine has the advantages that chain feeding is adopted, a plurality of long bars can be placed at one time, the turned lock cylinder can automatically enter the conveying part, the conveying part is in butt joint with the groove broaching part, and groove broaching is realized, so that the automatic degree of the machine is very high, and unattended operation or one-man multi-machine operation can be basically realized. And the system is completely a numerical control system, so that the operation is convenient, the parameters are changed flexibly, the adjustment is convenient, and the system is provided with a remote assistance module, so that the fault can be rapidly and rapidly checked, and the system is recovered to be normal. In addition, the machine realizes two procedures of turning and groove drawing, realizes multiple purposes, saves time and cost, and greatly reduces equipment purchase cost of production plants.

Drawings

Fig. 1 is a general structural view of the present invention. Fig. 2 is a schematic view of bar feeding components. Fig. 3-1 is a schematic structural view of a numerically controlled spindle unit, fig. 3-2 is an enlarged schematic view of a portion a in fig. 3-1, and fig. 3-3 is an enlarged schematic view of a portion B in fig. 3-1. Fig. 4 is a schematic view of the construction of the turning tool set component. Fig. 5 is a partial cross-sectional view of the tail section. Fig. 6 is a schematic structural view of the key cylinder delivery part and the vibration material supply part. Fig. 7 is a structural diagram of a feeding part of the slot drawing component. Fig. 8 is a structural diagram of a part of the pull groove. Fig. 9 is a schematic of a screw drive.

In the figure, 1, a bar feeding component; 2. a vehicle lock cylinder bracket; 3. a numerically controlled spindle unit; 4. turning a cutter set component; 5. a lock cylinder conveying component; 6. vibrating the feeding component; 7. a groove pulling component; 8. a bed body; 9. The main shaft clamps the cylinder block; 10. a cylinder; 11. clamping the cylinder joint; 12. a main shaft shifting fork; 13. a pull rod; 14. an elastic collet; 15. pressing claws; 16. capping; 17. a main shaft seat; 18. an elastic sleeve; 19. turning a lock cylinder lathe bed; 20. moving the plate; 21. a movable seat; 22. a mounting seat; 23. a tailstock main shaft; 24. a tailstock; 25. moving the base back and forth; 26. the base is moved left and right; 27. a linear guide rail; 28. a distributing hopper 2; 29. a taper shank; 30. a linear bearing; 31. a tailstock main shaft; 32. a motor base; 33. a tailstock screw rod; 34. a bearing seat; 35. a coupling; 36. a servo motor; 37. a first conveyor belt bracket; 38. a second conveying belt bracket; 39. a conveyor belt; 40. a conveyor belt shaft; 41. a vibration plate; 42. a lengthened support mounting plate; 43. a material pipe support; 44. a blanking lengthening bracket; 45. a lock cylinder baffle; 46. a lock cylinder guide tube; 47. directly shaking the bracket; 48. a feeding hose; 49. a vibration plate bracket; 50. a first lock cylinder adjusting dovetail; 51. a second lock cylinder adjusting dovetail; 52. a lock cylinder adjusting dovetail III; 53. a lock cylinder clamp base; 54. a lock cylinder baffle; 55. a lock cylinder feeding block; 56. a feeding cylinder block; 57. feeding and pressing plates; 58. a blanking hopper; 59. a lock cylinder feed bar; 60. drawing a groove and moving a plate; 61. a slotting cutter; 62. a groove-drawing oil cylinder mounting plate; 63. an oil cylinder; 64. a hydraulic station; 65. a main motor; 66. a motor mounting plate; 67. a motor base plate; 68. a transfer shaft; 69. a copper powder conveyor belt; 70. a sliding sleeve; 71. a material pulling sleeve; 72 material poking claw; 73 lead screw; 74 a screw base; 75 servo motors; 76 a timing pulley; 77 servo motor mounting seat; 78 a feed screw nut seat; 79 chains, 80 servo motors, 81 material pushing rods, 82 material hooking seats, 83 material hooks, 84 numerical control spindles, 85 bolts, 86 belt wheels, 87 drilling cutters and 88 linear guide rails.

Detailed Description

The attached drawing is an embodiment of the invention.

The automatic core locking turning groove broacher comprises a lathe bed 8, a numerical control main shaft component 3, a turning cutter group component 4, a lock core conveying component 5, a vibration feeding component 6 and a groove broacher component 7, wherein the numerical control main shaft component, the turning cutter group component 4, the lock core conveying component 5, the vibration feeding component 6 and the groove broacher component 7 are arranged on the lathe bed, and one side of the lathe bed is connected with a. The bar feeding component sends batches of lock cylinder bars into the numerical control main shaft, a structure capable of automatically clamping and loosening the lock cylinder is arranged in the numerical control main shaft, the numerical control main shaft component clamps the bars and rotates, the turning cutter group component finishes turning of the lock cylinder, the lock cylinder is cut off after turning forming and falls into a conveying belt of the lock cylinder conveying component, the conveying belt sends the bars into the vibration feeding component, and the lock cylinder is quantitatively sent into the groove-drawing component, so that the lock cylinder groove-drawing processing is finished.

The bar feeding part is coaxial with the numerical control main shaft; the bar feeding part comprises a servo motor 80, a transmission device and a pushing rod 81 which are connected with each other, wherein the transmission device adopts a chain wheel and chain pair, a belt wheel pair or a synchronous belt; the chain, the belt or the synchronous belt is provided with a material hook 83, the bed body is provided with a material hook seat 82, the material hook and the material hook seat hook the material pushing rod from two sides, the material hook seat is provided with an opening through which the material feeding hook passes, and the servo motor drives the material pushing rod to move forwards through the material hook to push the lock cylinder rod.

The numerical control main shaft component comprises a numerical control main shaft 84, and a control mechanism for controlling the clamping and the loosening of the lock cylinder bar is arranged on the numerical control main shaft; the control mechanism comprises a cylinder 10, a spindle shifting fork 12, an elastic sleeve 18, a pull rod 13 and an elastic chuck 14, the cylinder is arranged on a spindle seat 17 and connected with the spindle shifting fork, the other end of the spindle shifting fork is hinged with the spindle seat, a sliding sleeve capable of sliding is sleeved on the numerical control spindle, and the spindle shifting fork is arranged on the outer ring of the sliding sleeve; the numerical control spindle is internally provided with a pull rod which can move left and right, one end of the pull rod is connected with an elastic chuck with a plurality of flaps, the other end of the pull rod is connected with a cap, the end surface of the cap is contacted with an elastic sleeve, the elastic sleeve consists of two circular pieces which are connected together by a bolt, the bolt is sleeved with a tension spring, the two circular pieces are attached together under the action of the spring, in addition, the left circular piece is uniformly provided with 3 pressing claws 15, the tail ends of the pressing claws are inserted into the shell of the numerical control spindle, and a sliding sleeve can be contacted with the three pressing claws; the numerical control main shaft is provided with a belt wheel which is connected with a main motor through a belt.

The turning cutter set component is arranged on the right side of the numerical control main shaft, the turning cutter set comprises an outer turning cutter, a groove turning cutter and a drilling cutter, the outer turning cutter, the groove turning cutter and the drilling cutter are respectively connected with the lathe bed through a left-right moving device, and the outer turning cutter and the groove turning cutter are also respectively connected with a front-back moving device; a material distributing hopper 28 is arranged below the turning cutter group, and the processed lock cylinder falls into the material distributing hopper after being cut off; copper powder grooves are formed in the distributing hopper, and copper powder falls onto the lower copper powder conveying belt 69 from the copper powder grooves.

The lock cylinder conveying component is arranged on the right side of the turning cutter group component and comprises a conveying belt 39, and the tail end of a material distributing hopper 28 of the turning cutter group component is butted with the conveying belt; the conveying belt is arranged on the second conveying belt bracket 38; the second conveying belt support is connected with the first conveying belt support 37 through a pin shaft, an arc-shaped groove is further formed in the outer ring of the pin shaft hole of the first conveying belt support, and the angle adjustment of the first conveying belt support relative to the second conveying belt support is achieved through the arc-shaped groove.

The vibration feeding component is arranged on the right side of the lock cylinder conveying component and comprises a vibration disc 41, a blanking lengthening support 44 and a lock cylinder guide pipe 46 which are arranged on a vibration disc support 49 and are sequentially connected; the tail end of a conveying belt of the lock cylinder conveying component is butted with a vibration disc, the outlet of the vibration disc is connected with a blanking lengthening support, and the tail end of the blanking lengthening support is connected with a lock cylinder guide pipe; the bottom of the vibration disc is provided with a vibration motor, the bottom of the blanking lengthening support is provided with a direct vibration device, and the lock cylinder moves forwards through vibration; the conveying belt is a groove type conveying belt.

The broaching component comprises a feeding part and a cutting part; in the feeding part, a lock cylinder guide pipe 46 of the vibration feeding part is connected with a lock cylinder feeding strip 59, and the lock cylinder feeding strip 59, a lock cylinder feeding block 55, a lock cylinder baffle 54, a lock cylinder clamp seat 53 and a lock cylinder adjusting dovetail third 52 are sequentially connected; the rear end of the lock cylinder feeding block 55 is connected with a cylinder arranged on a feeding cylinder mounting seat 56, and the feeding cylinder mounting seat 56 is arranged on a feeding pressure plate 57; the first lock cylinder adjusting dovetail 50 is connected with the lathe bed through a bolt, the second lock cylinder adjusting dovetail 51 is in sliding fit with the first lock cylinder adjusting dovetail 50, the first lock cylinder adjusting dovetail 50 is adjusted to control the height position of the lock cylinder relative to the broach, and similarly, the third lock cylinder adjusting dovetail 52 is in sliding fit with the second lock cylinder adjusting dovetail 51, and the third lock cylinder adjusting dovetail 52 is adjusted to control the front and back positions of the lock cylinder relative to the broach; a blanking hopper 58 is mounted to one side of the feed section.

In the cutting part of the broaching member, broaching bits 61 are installed on both side surfaces of the broaching moving plate 60, the broaching bits face the lock cylinder built in the lock cylinder clamp seat 53; the slotting cutter is a serrated blade, and the distance between the cutter teeth and the cutter back is gradually increased from front to back, so that the structure greatly lightens the load of slotting and effectively prolongs the service life of the cutter; the end part of the slot drawing knife is also provided with a material shifting sleeve 71 and a material shifting claw 72; the sliding blocks are arranged on two sides of the lower mounting surface of the slot-drawing moving plate 60 and are in sliding fit with the linear guide rails 88 below the sliding blocks, and the linear guide rails are arranged on the lathe bed; the driving device of the slot-drawing moving plate adopts an oil cylinder or a lead screw nut pair arranged on the lathe bed.

As shown in fig. 1, the general workflow of each part is as follows: the lock cylinder bar stored in the bar feeding part 1 is driven by a material pushing rod on a chain to be fed into a numerical control main shaft part 3, the numerical control main shaft part 3 clamps the bar and rotates, a groove turning tool, an excircle turning tool and a drilling tool of a turning tool set part 4 perform feeding motion to finish turning processing of the lock cylinder, the lock cylinder falls into a conveying belt of a lock cylinder conveying part 5, the lock cylinder is conveyed to a vibration feeding part 6 through the conveying belt, and the vibration feeding part 6 has the function of automatically feeding the lock cylinders into a feeding device of a groove drawing part 7 one by one to finish groove drawing processing of the lock cylinder.

The bar feeding component moves forwards through a chain transmission long pushing rod, the length of the material can be positioned through a cutting tool (a groove turning tool) of a turning tool set, a synchronizing device can be arranged, a signal is sent out when a spindle chuck is loosened, a damping device is arranged at the butt joint of the bar feeding component and the numerical control spindle to reduce vibration during rotation, one end of the numerical control spindle component is driven to rotate through a v-shaped belt by a motor, an elastic chuck is arranged inside the numerical control spindle, and a control mechanism is arranged at the end part of the numerical control spindle and used for controlling clamping and loosening of the chuck. During operation, the turning cutter set sequentially completes the operations of drilling and cutting off the lathe bed, the processed lock cylinders enter the spring feeding pipe above the slot drawing part through the lock cylinder conveying part and the vibration feeding part, and finally the lock cylinders are fed into the clamp one by one through the feeding push block of the slot drawing mechanism to perform slot drawing operation.

As shown in fig. 2, the bar feeding component includes a servo motor, a sprocket-chain pair and a pushing rod, a driving sprocket is mounted on the servo motor, a driven sprocket is mounted on the machine body, and the motor rotates to drive the chain and the pushing rod to move, so that the moving distance is accurately controlled, and the feeding length is controlled. The bar feeding part 1 is conveyed by a chain, the chain drives the pushing rod to move through the material hook, and the right end of the pushing rod pushes the lock cylinder bar to be automatically fed into the numerical control main shaft part 3. A plurality of bars can be placed in the bar feeding part 1 at one time, the bars are placed in a straight line shape, and automatic material changing is carried out after one bar is used.

As shown in fig. 3, a spindle base 17 is mounted on the lower portion of the numerical control spindle unit 3, a numerical control spindle 84 is mounted on the upper portion of the spindle base 17, and the interior of the numerical control spindle is a hollow structure. A belt wheel 86 is fixed on the numerical control main shaft and is connected with the main motor 65 through the belt wheel. The inner part of the main shaft is provided with a pull rod 13 which can move left and right, one end of the pull rod 13 is connected with an elastic chuck 14 with a plurality of flaps, the other end of the pull rod is connected with a cover cap 16, the end part of the cover cap 16 is contacted with the left side part of an elastic sleeve 18, the elastic sleeve 18 is provided with two round pieces which are connected through three evenly distributed bolts 85, the bolts are sleeved with springs, under the action of the springs, the two round pieces are attached together, the left round piece of the elastic sleeve 18 is provided with 3 pressing claws 15, the lower part of each pressing claw 15 is convexly inserted into the main shaft, and the pressing claws are abutted to. The front part of the pressure claw 15 on the numerical control main shaft is also provided with a sliding sleeve 70 which can slide on the numerical control main shaft, the outer ring of the sliding sleeve 70 is provided with a main shaft shifting fork 12, one end of the main shaft shifting fork 12 is arranged on a main shaft seat 17, the other end of the main shaft shifting fork is hinged with a clamping cylinder joint 11 arranged on a cylinder, and the tail part of the cylinder is arranged on a main shaft clamping cylinder seat 9. The clamping process of the numerical control main shaft part 3 is that a signal sent by a computer controls a clamping cylinder joint 11 to extend, so that a main shaft shifting fork 12 swings around a mounting end, a sliding sleeve 70 below is driven to slide towards a pressing claw 15, the front end of the sliding sleeve is a conical surface, the pressing claw 15 rotates under the action of the conical surface, the lower part of the pressing claw 15 abuts against a main shaft shell, the main shaft shell is a mounted part, under the action of a reaction force, the left half part of an elastic sleeve 18 moves towards the left, a cap 16 in contact with the elastic sleeve moves towards the left simultaneously, the cap 16 is in threaded connection with a pull rod 13, the pull rod 13 is in threaded connection with the elastic chuck 14, therefore, the elastic chuck 14 moves towards the left at the moment, the front end of the elastic chuck 14 is a conical surface, the outer circle of the conical surface is uniformly provided with grooves, and when the elastic chuck 14 moves towards the left, the.

The numerical control main shaft is fixed on a vehicle lock core support through a main shaft seat, an elastic chuck is arranged in the numerical control main shaft, a control mechanism is arranged at the end part of the numerical control main shaft, the control mechanism is powered by an air cylinder, the air cylinder extends out to drive a main shaft shifting fork fixed on the numerical control main shaft to move backwards, a sliding sleeve is connected to the lower part of the shifting fork, the sliding sleeve is in sliding contact with three pressing claws on the elastic sleeve, the lower parts of the pressing claws swing through the inner wall of the numerical control main shaft inserted into the main shaft, the pressing claws swing after opening, when the pressing claws swing to the inner wall of the numerical control main shaft, the elastic sleeve moves backwards under the action of a reaction force to push a nut cap at the rear end of the elastic sleeve to move backwards, the nut cap is connected with a pull rod, the pull rod is arranged in the numerical control main shaft and is in clearance fit with the numerical control, after the two contact each other, under the action of the conical surface, the inner hole of the elastic chuck is reduced so as to clamp the bar stock.

As shown in figure 4, the power for the rotation of the lock cylinder is provided by a main motor 65, and the front part of the main motor 65 is provided with a belt wheel and is connected with the numerical control spindle component 3 through a triangular belt. The lower part of the main motor 65 is arranged on the motor mounting plate 66, the lower part of the motor mounting plate 66 is also provided with a motor bottom plate 67, the motor bottom plate and the motor mounting plate are connected through 4 screw rods, and the triangular belt can be conveniently tensioned by adjusting the height of the motor mounting plate 66.

As shown in fig. 4, a turning cutter group component 4 is arranged beside the numerical control spindle, the turning cutter group is mounted on a lock cylinder bracket, the lower part of the lock cylinder bracket is connected with a lathe bed, the cutter group consists of an outer turning cutter group, a groove turning cutter group and a drilling cutter group, moving plates are mounted on the lower parts of the three parts, and sliding blocks are fixed on the lower parts of the moving plates and slide on linear guide rails. Meanwhile, a screw rod nut seat is arranged on the lower portion of the moving plate and connected with a screw rod arranged on a guide rail sizing block, the end portion of the screw rod is connected with a servo motor through a coupler, and the servo motor rotates to drive a cutter on the moving plate to move so as to achieve turning. The processed lock cylinder falls into the material distributing hopper after being cut off. The material distributing hopper is provided with a copper powder groove, the lock cylinder falls into a groove type conveyor belt of the lock cylinder conveying component, copper powder falls onto a copper powder conveyor belt below the lock cylinder conveying component from the material distributing hopper, and the copper powder is conveyed to the outside of the machine along with the movement of the conveyor belt.

The excircle cutter set and the groove cutter set are identical in structure and comprise a left-right moving base 26 and a front-back moving base 25 (the left-right moving base 26 and the front-back moving base 25 are connected with each other, a cutter head is arranged on the left-right moving base 26 or the front-back moving base 25), linear guide rails 27 are arranged on two sides of the two bases, a sliding block in sliding fit with the linear guide rails 27 is arranged on the linear guide rails 27, and the moving plate 20 is fixedly connected with the sliding block. The moving plate 20 is also provided with a moving seat 21 and a mounting seat 22 respectively, the moving seat 21 is provided with a seam allowance groove clamped on the mounting seat 22, the structure plays a great role in adjusting the machining size, in addition, a screw rod is arranged at the lower part of the moving plate 20, the end part of the screw rod is connected with a servo motor through a coupler, the rotation of the servo motor drives the screw rod to rotate (the screw rod drives a nut sleeved by the screw rod to move back and forth, the nut is fixed with a sliding block, the sliding block is fixed with the moving plate 20, and the sliding block slides back and forth along a linear guide rail), so that the front, back, left and right. The front and back positions of the excircle cutter set and the groove cutter set are not absolute, the groove cutter set is generally arranged in front of the groove cutter set, the excircle cutter set is arranged behind the excircle cutter set, the excircle cutter set can finish the processing of the steps and the excircle of the lock cylinder, the groove cutter set is used for processing the groove of the lock cylinder and realizing the cutting action, and the drilling cutter set is stated below by combining with figure 5. In addition, the front end and the rear end of the vehicle lock cylinder support 2 are also provided with conveying shafts 68, two ends of each conveying shaft 68 are respectively provided with a bearing seat 34, the end part of one bearing seat 34 is connected with a speed reducing motor, and the outer circles of the two conveying shafts 68 are wound with conveying belts 69, so that copper powder falling during vehicle lock cylinder processing falls on the conveying belts 69, impurities such as the copper powder are conveyed out of the machine through movement of the conveying belts 69, and the lock cylinders fall on the material distributing hoppers 28 at the bottoms, so that the lock cylinders and the copper powder are separated.

As shown in fig. 5, which is a cross-sectional view of the drill bit set. The drilling cutter set is an important part of the turning cutter set component 4 and mainly realizes drilling and tail forming operations. Comprises a drilling knife 87, a taper shank 29, a linear bearing 30, a tailstock main shaft 31, a tailstock 24, a motor seat 32, a tailstock screw rod 33, a coupling 35 and a servo motor 36. The lower part of the tailstock 24 is arranged on the lock cylinder lathe bed 19, if the right end of the tailstock 24 is connected with a servo motor 36 through a motor seat 32, the servo motor 36 is connected with a tailstock screw rod 33 through a coupler 35, a screw nut is sleeved on the tailstock screw rod 33, the screw nut is fixed with the tailstock main shaft 31 in a tight fit mode and is provided with a jackscrew, and therefore when the tailstock screw rod 33 rotates, the screw nut on the tailstock screw rod 33 and the tailstock main shaft 31 do not rotate relatively. The tailstock main shaft 31 is connected with a drilling knife 87 through a taper shank 29. A linear bearing 30 is fixed in the tailstock. The tailstock main shaft 31 is provided with a key groove, a pin is arranged at a corresponding position on the tailstock 24, and the pin is inserted into the key groove on the tailstock main shaft 31 to prevent the tailstock main shaft from rotating. The action process of the drilling cutter set is that the servo motor 36 rotates, the tailstock screw rod 33 connected with the servo motor rotates simultaneously, and the tailstock main shaft 31 moves axially but cannot rotate under the action of the pin, so that the axial feeding of a drill bit or a forming cutter is realized, and the tail part processing of the lock cylinder is completed.

As shown in fig. 6, a lock cylinder conveying component is installed on the right side of the turning cutter group component, and the lock cylinder conveying component comprises a first conveying belt support, a second conveying belt support, a driven conveying belt wheel, a speed reducer connecting seat, a speed reducer and a groove type conveying belt. The well-turned lock cylinder falls into the groove type conveying belt from the material distributing hopper.

The part mainly completes the collection of the turned lock core and the continuous feeding work to the slot drawing part 7. As shown in the figure, two conveyer belt supports 37 are respectively installed in front of and behind the lock cylinder bed 19, a conveyer belt support 38 is fixedly connected with the conveyer belt support 37 through a pin shaft, an arc-shaped groove is further formed in the outer ring of the pin shaft hole of the conveyer belt support 37, and the angle adjustment of the conveyer belt support 38 can be realized through the arc-shaped groove. A conveying belt shaft 40 is connected to the middle of the two conveying belt brackets 37, a speed reduction motor is installed at one end of the conveying belt shaft, a conveying belt 39 is coated on the periphery of the conveying belt shaft 40, and the lock cylinder machined by the turning cutter group falls on the conveying belt 39.

The vibration feeding component is installed on the right side of the lock cylinder conveying component, and the lower portion of a vibration disc which is a main component of the vibration feeding component is fixed on the vibration disc support. The feeding in the vibrations dish is two feeding structures, installs two discharge gates on the both sides of dish, and two discharge gate contained angles are 180 degrees. The structure can improve the feeding speed of the whole machine by 2 times, in addition, the vibration feeding part also comprises a vertical vibration, the lower part of the vertical vibration is fixed on a vertical vibration bracket, the upper part of the vertical vibration is fixed with two material pipe brackets 2, and the upper surfaces of the material pipe brackets 2 are milled with long grooves which are used for connecting blanking lengthening brackets. The lock core that comes out from the vibrations dish drops on blanking extension support, and blanking extension support moves forward under the direct vibrating force effect of shaking, installs material pipe support 1 at the end of blanking extension support, and the lock core gets into the spring tube rather than being connected from material pipe support 1, is connected with lock core feeding strip at spring tube's the other end, and lock core feeding strip sends the lock core into the trompil part one by one, accomplishes the trompil action.

The lock cylinders are conveyed into the vibration disc 41 along with the movement of the conveying belt 39, the lock cylinders in the disc are continuously conveyed into the blanking lengthening support 44 under the action of periodic vibration force of the vibration disc 41, the blanking lengthening support 44 is two parallel long strips with gaps in the middle, the lock cylinders can be allowed to pass through the gaps of the long strips, one end of the blanking lengthening support 44 is provided with an lengthening support mounting plate 42 installed by screws, the side surface of the blanking lengthening support 44 is installed on a material pipe support 43, the lower part of the material pipe support 43 is installed on a vertical vibration device installed on a vertical vibration support 47, at the end of the blanking lengthening support 44, the lock cylinders fall into a lock cylinder guide pipe 46, the tail part of the lock cylinder guide pipe 46 is connected with a feeding hose 48, and the hose is a flexible piece and can flexibly adjust the angle so as to be conveniently butted with the lock cylinder.

As shown in fig. 7, this part is a feeding part of the pull groove part 7, and this part functions to feed the key cylinders in the feed hose 48 into the key cylinder clamp seat 53 one by one: the feeding hose 48 is connected with a lock cylinder feeding strip 59, the lock cylinder at the foremost end of the lock cylinder feeding strip 59 is abutted against the side surface of the lock cylinder feeding block 55, the rear end of the lock cylinder feeding block 55 is connected with a cylinder arranged on a feeding cylinder mounting seat 56, and the feeding cylinder mounting seat 56 is arranged on a feeding pressure plate 57. In the initial state, the cylinder retracts to drive the lock cylinder feeding block 55 to move to the rear end, because the lock cylinder feeding block is filled with the lock cylinders, the lock cylinder at the front end keeps a forward-out posture under the action of gravity, the lock cylinder enters the arc-shaped groove at the front end of the lock cylinder feeding block 55 and finally leans against the side face of the lock cylinder baffle plate 54, when the cylinder extends out, the lock cylinder feeding block 55 moves forwards under the action of the cylinder, and the lock cylinders in the arc-shaped groove are tightly pressed on the lock cylinder clamp seat 53. While the next lock cylinder is still against the side of the lock cylinder feed block 55. In addition, the support parts of the feeding part are a first lock cylinder adjusting dovetail, a second lock cylinder adjusting dovetail and a third lock cylinder adjusting dovetail, wherein the first lock cylinder adjusting dovetail is 50, the second lock cylinder adjusting dovetail is 51 and the third lock cylinder adjusting dovetail is 52. Wherein 50 lock core regulation forked tail one passes through bolted connection with lathe bed 8, and 51 lock core regulation forked tail two is connected for sliding fit with 50 lock core regulation forked tail one, adjusts the height position of the relative broach of 50 lock core regulation forked tail one, and 52 lock core regulation forked tail three is also connected for sliding fit with 51 lock core regulation forked tail two, adjusts the front and back position of the relative broach of three steerable lock cores of 52 lock core regulation forked tail three.

The lock core that fills in the lock core feed strip is under the effect of gravity, and the afterbody of the lock core of foremost is supported on the side of lock core feed block, lock core feed block upper portion have the step, the step is inlayed on lock core feeding clamp plate. The lock core feeding bottom plate is installed on the lower portion of the lock core feeding pressing plate, the lock core feeding bottom plate is fixed to the lock core adjusting dovetail, the adjusting dovetail II and the adjusting dovetail I are provided with an upper dovetail groove and a lower dovetail groove, up-down adjustment is achieved, in addition, the adjusting dovetail II and the adjusting dovetail III are internally provided with a front dovetail groove and a rear dovetail groove, front-back adjustment can be achieved, and therefore the lock core and the broaching tool can keep accurate relative positions.

As shown in fig. 8, which is a drawing groove partial structure view, the drawing groove knives 61 are installed on both side surfaces of the drawing groove moving plate 60. The broach 61 is the blade of cockscomb structure, and the distance of sword tooth distance back of the knife blade grow gradually from the past, and this structure has greatly alleviateed the load of broach, has effectively prolonged the life-span of cutter simultaneously. The end part of the slot-drawing knife 61 is also provided with a material-shifting sleeve 71 and a material-shifting claw 72. The sliding blocks are arranged on two sides of the lower mounting surface of the slot-drawing moving plate 60, the sliding blocks are in sliding fit with linear guide rails 88 below the sliding blocks, and the guide rails are arranged on the machine body 8. The driving device of the slot-drawing moving plate adopts a hydraulic cylinder or a motor lead screw nut pair arranged on the lathe bed.

The action principle of the groove broacher mechanism is as follows: the slot drawing movable plate 60 moves, the broach below the slot drawing movable plate 60 draws out the slot of the lock cylinder, the material poking claw 72 rotates on the material poking sleeve 71, the material poking claw 72 slides on the lock cylinder, when the lock cylinder is retracted, the material poking claw 72 is in a vertical state under the action of the spring, and the lock cylinder on the lock cylinder clamp seat 53 is poked into the blanking hopper 58. The slot drawing and unloading actions on the two sides of the lathe bed 8 are alternately executed, namely, when one side performs the slot drawing action, the other side performs the unloading, and the arrangement not only fully exerts the efficiency of the machine, but also can disperse the acting force during the slot drawing. The broaching groove is used for discharging materials, a spring discharging claw (namely a material poking claw) structure is adopted, the discharging claw is automatically lifted when broaching operation is carried out, and when a broach retracts, the discharging claw falls under the action of a spring to poke out a lock cylinder in the lock cylinder clamp and fall into a blanking hopper at the lower part.

When the groove-drawing power adopts a hydraulic cylinder, the middle part of the groove-drawing moving plate 60 is also provided with an oil cylinder 63 which is fastened by a bolt, the groove-drawing moving plate 60 is driven to move under the action of the oil cylinder, the oil cylinder is a double-rod oil cylinder, the end parts of two rods are respectively provided with a groove-drawing oil cylinder mounting plate 62, the groove-drawing oil cylinder mounting plate 62 is arranged on the lathe bed 8, the end part of the lathe bed 8 is provided with a hydraulic station 64, and the hydraulic station 64 is responsible for providing power for the oil cylinder. The effective stroke of the oil cylinder is larger than 1.5 meters, meanwhile, the end part of the oil cylinder is provided with a buffer device, and the buffer device is arranged inside a three-position five-way reversing valve connected with the hydraulic station, so that quick reversing can be realized without impact.

When the slot-drawing power adopts a motor lead screw nut pair, a lead screw is arranged below the slot-drawing moving plate 60, two ends of the lead screw 73 are supported on lead screw seats 74 at two ends of the lathe bed 8, and a lead screw nut seat 78 is arranged in the middle of the lead screw 73; the end of the screw rod 73 is provided with a servo motor 75, the servo motor 75 is arranged on a servo motor mounting seat 77 by a bolt, the end of the servo motor and the end of the screw rod are respectively provided with a belt wheel 76, the servo motor is connected with the driving screw rod by a belt and the belt wheels, so that the servo motor 75 rotates to drive the screw rod to synchronously rotate, and the left and right movement of the slot-drawing moving plate 60 is driven to be realized. In addition, the number of the feeding portion of the chute member 7 and the vibration plate disposed on the vibration plate holder 49 is not limited to one on one side, and the length of the bed is extended, and the number thereof can be raised to 3 to 5.

Claims

1. The utility model provides an automatic lock core turning groove broacher which characterized in that: the numerical control bar feeding machine comprises a machine body, and a numerical control main shaft component, a turning cutter group component, a lock cylinder conveying component, a vibration feeding component and a groove drawing component which are arranged on the machine body, wherein one side of the machine body is connected with a bar feeding component;

2. The automatic lock core turning slot broacher of claim 1, wherein: the bar feeding part is coaxial with the numerical control main shaft; the bar feeding part comprises a servo motor, a transmission device and a pushing rod which are connected with each other, and the transmission device adopts a chain wheel and chain pair, a belt pulley pair or a synchronous belt; the chain, the belt or the synchronous belt is provided with a material hook, the bed body is provided with a material hook seat, the material hook and the material hook seat hook the material pushing rod from two sides, the material hook seat is provided with an opening through which the material feeding hook passes, and the servo motor drives the material pushing rod to move forwards through the material hook to push the lock cylinder rod.

3. The automatic lock core turning slot broacher of claim 1, wherein: the numerical control main shaft component comprises a numerical control main shaft, and a control mechanism for controlling the clamping and loosening of the lock cylinder bar is arranged on the numerical control main shaft; the control mechanism comprises an air cylinder, a main shaft shifting fork, an elastic sleeve, a pull rod and an elastic chuck, the air cylinder is arranged on a main shaft seat and connected with the main shaft shifting fork, the other end of the main shaft shifting fork is hinged with the main shaft seat, a sliding sleeve capable of sliding is sleeved on the numerical control main shaft, and the main shaft shifting fork is arranged on the outer ring of the sliding sleeve; the numerical control spindle is internally provided with a pull rod which can move left and right, one end of the pull rod is connected with an elastic chuck with a plurality of flaps, the other end of the pull rod is connected with a cap, the end surface of the cap is contacted with an elastic sleeve, the elastic sleeve consists of two circular pieces which are connected together by a bolt, the bolt is sleeved with a tension spring, the two circular pieces are attached together under the action of the spring, in addition, the left circular piece is uniformly provided with 3 pressing claws, the tail ends of the pressing claws are inserted into the shell of the numerical control spindle, and a sliding sleeve can be contacted with the three pressing claws; the numerical control main shaft is provided with a belt wheel which is connected with a main motor through a belt.

4. The automatic lock core turning slot broacher of claim 1, wherein: the turning cutter set component is arranged on the right side of the numerical control main shaft, the turning cutter set comprises an outer turning cutter, a groove turning cutter and a drilling cutter, the outer turning cutter, the groove turning cutter and the drilling cutter are respectively connected with the lathe bed through a left-right moving device, and the outer turning cutter and the groove turning cutter are also respectively connected with a front-back moving device; a material distribution hopper is arranged below the turning cutter group, and the processed lock cylinder falls into the material distribution hopper after being cut off; copper powder grooves are formed in the material distributing hopper, and copper powder falls onto the lower copper powder conveying belt from the copper powder grooves.

5. The automatic lock core turning slot broacher of claim 1, wherein: the lock cylinder conveying component is arranged on the right side of the turning cutter group component and comprises a conveying belt, and the tail end of a material distributing hopper of the turning cutter group component is butted with the conveying belt; the conveying belt is arranged on the second conveying belt bracket; the second conveying belt support is connected with the first conveying belt support through a pin shaft, an arc-shaped groove is further formed in the outer ring of the pin shaft hole of the first conveying belt support, and the angle adjustment of the first conveying belt support relative to the second conveying belt support is achieved through the arc-shaped groove.

6. The automatic lock core turning slot broacher of claim 1, wherein: the vibration feeding part is arranged on the right side of the lock cylinder conveying part and comprises a vibration disc, a blanking lengthening support and a lock cylinder guide pipe which are arranged on the vibration disc support and are sequentially connected; the tail end of a conveying belt of the lock cylinder conveying component is butted with a vibration disc, the outlet of the vibration disc is connected with a blanking lengthening support, and the tail end of the blanking lengthening support is connected with a lock cylinder guide pipe; the bottom of the vibration disc is provided with a vibration motor, the bottom of the blanking lengthening support is provided with a direct vibration device, and the lock cylinder moves forwards through vibration; the conveying belt is a groove type conveying belt.

7. The automatic lock core turning slot broacher of claim 1, wherein: the broaching component comprises a feeding part and a cutting part; in the feeding part, a lock cylinder guide pipe of the vibration feeding part is connected with a lock cylinder feeding strip, and the lock cylinder feeding strip, a lock cylinder feeding block, a lock cylinder baffle, a lock cylinder clamp seat and a lock cylinder adjusting dovetail are sequentially connected; the rear end of the lock cylinder feeding block is connected with a cylinder arranged on a feeding cylinder mounting seat, and the feeding cylinder mounting seat is arranged on a feeding pressing plate; the first lock cylinder adjusting dovetail is connected with the lathe bed through a bolt, the second lock cylinder adjusting dovetail is in sliding fit with the first lock cylinder adjusting dovetail, the height position of the first lock cylinder adjusting dovetail, which can control the lock cylinder, relative to the broach is adjusted, and the third lock cylinder adjusting dovetail is also in sliding fit with the second lock cylinder adjusting dovetail, so that the front position and the rear position of the third lock cylinder adjusting dovetail, which can control the lock cylinder, relative to the broach is adjusted; one side of the feeding part is provided with a blanking hopper.

8. The automatic lock core turning slot broacher of claim 7, wherein: in the cutting part of the slot-drawing part, slot-drawing knives are arranged on two side surfaces of a slot-drawing moving plate, and the slot-drawing knives face towards a lock cylinder arranged in a lock cylinder clamp seat; the slotting cutter is a serrated blade, and the distance between the cutter teeth and the cutter back is gradually increased from front to back; the end part of the slot drawing knife is also provided with a material poking sleeve and a material poking claw; the sliding blocks are arranged on two sides of the lower mounting surface of the slot-drawing moving plate and are in sliding fit with linear guide rails below the sliding blocks, and the linear guide rails are mounted on the lathe bed; the driving device of the slot-drawing moving plate adopts an oil cylinder or a lead screw nut pair arranged on the lathe bed.