CN111360546A

CN111360546A - Numerical control machining combined machine for spring lock cylinder

Info

Publication number: CN111360546A
Application number: CN202010236545.8A
Authority: CN
Inventors: 甄轶同; 甄健松
Original assignee: Hangzhou Xinzhiyuan Cnc Equipment Co ltd
Current assignee: Hangzhou Xinzhiyuan Cnc Equipment Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-07-03

Abstract

The invention discloses a numerical control machining combination machine for a spring lock cylinder, which comprises: the device comprises a machine frame, a processing unit, a workpiece conveying device, a feeding device and a discharging device, wherein the processing unit is arranged on the table surface of the machine frame; the bottom of the rack table is provided with a control box; the processing units and the workpiece conveying device are distributed oppositely; the feeding device and the discharging device are respectively distributed at two ends of the processing unit; the processing unit is composed of a plurality of processing devices which are linearly arranged; the workpiece transmission device sequentially transmits the lock cylinder workpieces on the feeding device to the processing unit, and finally the lock cylinder workpieces are conveyed to the discharging device for discharging after drilling, milling and cutting processes are completed; the transmission arm is provided with a rotary cylinder and a lock cylinder positioning plate, wherein the lock cylinder positioning plate can effectively prevent the lock cylinder workpiece from rotating and displacing, and the precision is ensured; the rotary cylinder can rotate the position of the lock cylinder to be processed to the orientation processing cutter in advance, so that automatic processing is realized, and the processing efficiency is improved.

Description

Numerical control machining combined machine for spring lock cylinder

Technical Field

The invention relates to a numerical control machining combination machine for a spring lock cylinder, and belongs to the field of machining equipment.

Background

The spring lock core is mostly made of brass or aluminum, a spring hole, an end milling spring slot and a cutting groove on the side surface of a transmission block for reducing friction are obtained after machining, related procedures are more, the position of the lock core to be machined is distributed on the whole surface, at present, no automatic equipment capable of finishing all the procedures at one time is available on the market, and due to the fact that the position of each procedure is different, a lock core workpiece needs to be rotated in advance before being sent into each procedure to be matched with a cutter for machining, and the lock core workpiece is cylindrical, rotation displacement is easily caused during conveying, conveying cannot be accurately finished, automatic flow machining is difficult to achieve, so that a manufacturer on the market is still in the stage of machine division and procedure division machining, labor cost is increased, and production efficiency is low.

Disclosure of Invention

Technical problem to be solved

In order to solve the problems, the invention provides a numerical control machining combination machine for a spring lock cylinder.

(II) technical scheme

The invention discloses a numerical control machining combination machine for a spring lock cylinder, which comprises: the device comprises a machine frame, a processing unit, a workpiece conveying device, a feeding device and a discharging device, wherein the processing unit is arranged on the table surface of the machine frame; the bottom of the rack table is provided with a control box; the processing units and the workpiece conveying device are distributed oppositely; the feeding device and the discharging device are respectively distributed at two ends of the processing unit; the processing unit is composed of a plurality of processing devices which are linearly arranged; the workpiece transmission device comprises a plurality of transmission arms arranged on a seventh servo sliding table; the seventh servo sliding table is installed on the rack table; the number and the arrangement mode of the transmission arms correspond to those of the processing devices in the processing unit; the transmission arm transmits the lock cylinder workpiece on the feeding device to the machining unit through the movement of the seventh servo sliding table, and finally the lock cylinder workpiece is conveyed to the discharging device to be discharged after drilling, milling and cutting processes are completed.

Further, the transmission arm comprises two categories of a rotary claw mechanical arm and a conventional claw mechanical arm; the rotary claw robot arm includes: the device comprises a first movable arm support, a first claw holding assembly and a rotary cylinder; the movable arm support consists of an installation base, a guide rod in sliding connection in the guide through hole, and a head connecting plate and a tail connecting plate for installing the guide rod; the mounting base is also provided with a main cylinder, and a pneumatic shaft of the main cylinder is fixedly connected with the tail connecting plate; a rotary cylinder is fixedly arranged on the front side surface of the head connecting plate; the first jaw assembly comprises: a clamping part and a clamping cylinder; the clamping part is fixedly arranged at the output end of the rotary cylinder; the clamping cylinder is arranged on the rear side surface of the head connecting plate, and the ejector rod of the clamping cylinder is correspondingly connected with the clamping part; the clamping portion includes: the outer shell, the transmission block, the clamping finger, the guide rail and the lock cylinder positioning plate are correspondingly connected with the rotary cylinder; the lock cylinder positioning plate is connected to the outer part of the front end of the outer shell, and a guide rail is fixedly arranged on the front side of the inner part of the outer shell; the mirror image on the guide rail is connected with two clamping fingers taking the lock cylinder positioning plate as the center in a sliding manner; a transmission block is laterally connected to the rear side inside the outer shell; the front end of the transmission block is hinged with two transmission plates which are respectively butted with and drive the two clamping fingers; the transmission plate is in shaft connection with the outer shell through a pin; a T-shaped groove is formed in the rear end of the transmission block; a circular pushing block is arranged in the T-shaped groove; the ejector block is connected with an ejector rod of the clamping cylinder; the whole lock cylinder positioning plate is in a half key groove shape and is positioned at the central part of the clamping part.

Further, the conventional claw robot arm includes: the second movable arm support and the second claw holding component; the second movable arm support structure is the same as the first movable arm support; the second clamping component has the same structure as the first clamping component; the second claw holding component is integrally installed and fixed at the front end of the second movable arm support.

Further, the feeding device comprises: the feeding tray, the mounting bracket, the pneumatic sliding table and the carrying block are mounted on the rack platform; a pneumatic sliding table is arranged on the mounting bracket; the pneumatic sliding table is provided with a carrying and conveying block; a seventh workpiece groove with two open ends is formed in the carrying and conveying block, and a seventh positioning strip is arranged in the first workpiece groove; the seventh workpiece groove is correspondingly butted with the feeding plate; and the mounting bracket is provided with a material baffle which is positioned at the rear end part of the seventh workpiece groove.

Further, the processing unit includes: the device comprises one or more of a pin hole drilling device, a pin hole reaming device, a vertical milling pin slot processing device, a lock cylinder end face slot sinking device, a lock cylinder side slot first cutting device, a lock cylinder side slot second cutting device, a transmission block cutting device and a lock cylinder surface milling device.

Further, the bullet hole drilling device includes: the first processing machine head, the first clamp and the two groups of first servo sliding tables; the two groups of first servo sliding tables are correspondingly arranged on the rack table; a first machining head and a first clamp are respectively arranged on the sliding seats of the two groups of first servo sliding tables; the first machining head is provided with a first power motor and a first tool chuck which are connected with each other; the first clamp includes: the first base and the first clamping block are arranged on one group of first servo sliding tables; a first workpiece groove for clamping and placing the lock cylinder is formed in the first clamping block, and a first fixing strip is arranged in the first workpiece groove; a first mounting groove is formed in the first base; a first clamping block and a first jacking mechanism are arranged in the first mounting groove; the first jacking mechanism comprises: the first jacking cylinder, a main push rod arranged in the first mounting groove, a first jacking block and a connecting lever are arranged in the first mounting groove; the first jacking cylinder is fixedly arranged on the first base; the pushing end of the first jacking cylinder is fixedly connected with a main push rod; the main push rod is hinged with one end of the connecting lever; the connecting lever pair is coupled with the first base through a pin shaft; the other end of the connecting lever is butted with the tail end of the first top pressing block; the head end of the first jacking block penetrates through the first clamping block and extends into the first workpiece groove; and a group of conventional claw mechanical arms are correspondingly arranged right in front of the first clamp.

Further, the structure and the principle of the bullet hole reaming device are the same as those of the bullet hole drilling device; and a group of conventional claw mechanical arms are correspondingly arranged right in front of the clamp in the spring hole reaming device.

Further, the end milling elastic groove machining device comprises: the second machining machine head, the second clamp and the two groups of second servo sliding tables; the two groups of second servo sliding tables are correspondingly arranged on the rack table; a second machining machine head and a second clamp are respectively arranged on the sliding seats of the two groups of second servo sliding tables; the structure of the second processing machine head is the same as that of the first processing machine head; the second clamp includes: the second base, the second stepping motor and the second clamping block are arranged on the group of second servo sliding tables; a first-step servo motor is fixedly arranged on the second base; a second clamp and a second clamping block of a second clamp are fixedly connected to an output shaft of the second stepping motor; a second workpiece groove is formed in the upper part, and a second fixed strip is arranged in the second workpiece groove; the second workpiece groove is positioned in front of the second machining head; the second clamping block is also fixedly provided with a second jacking cylinder and is connected with a second jacking block through a round shaft; one end of the second jacking block is connected with a jacking rod of the second jacking cylinder, and the other end of the second jacking block is positioned above the second workpiece groove; and a group of conventional claw mechanical arms are correspondingly arranged right in front of the second clamp.

Further, the lock core end face sink groove device comprises: the third machining head, a third clamp and a third servo sliding table; the third servo sliding table is arranged on the rack table, and a third machining head is arranged on the third servo sliding table; the third processing head structure is the same as the first processing head structure; the third clamp is fixedly arranged on the rack table and positioned in front of the third machining head; the third jig includes: the third mounting frame, the third rotary cylinder, the third jacking cylinder, the third clamping block and the third jacking block; the third mounting frame is a multi-layer mechanism, a third rotary cylinder is fixedly mounted at the bottom layer of the third mounting frame, a fixture body is mounted at the middle layer, and a third jacking cylinder is mounted at the top layer; the output end of the third rotary cylinder is connected with the bottom end of the rotating shaft; the top end of the rotating shaft extends upwards, penetrates through the middle layer plate of the third mounting frame and then is fixedly connected with the clamp body; the rotating shaft is in shaft connection with the middle layer plate of the third mounting frame through a first bearing; the clamp body is provided with a third mounting groove, and a third clamping block is correspondingly embedded and fixed; a third workpiece groove is formed in the third clamping block, and a third positioning strip is arranged in the third workpiece groove; the third jacking block is positioned in the third mounting groove, the top of the third jacking block is in shaft connection with a jacking rod of the third jacking cylinder through a second bearing, and the bottom of the third jacking block extends into the third workpiece groove; and a group of conventional claw mechanical arms are correspondingly arranged right in front of the third clamp.

Further, the first key cylinder side groove cutting device includes: the fourth machining head, a fourth clamp, a fourth servo sliding table and a lifting mechanism; the fourth processing machine head is fixedly arranged on the machine frame platform, and the structure of the fourth processing machine head is the same as that of the first processing machine head; the lifting mechanism is provided with a mounting seat which is correspondingly connected and fixed with the stand platform; the mounting base is connected with a lifting platform in a sliding manner; the bottom of the mounting seat is also connected with a second servo motor in an installing way; the second servo motor is connected with the lifting platform through a screw rod; a fourth servo sliding table is arranged on the surface of the lifting table; a sliding seat of the fourth servo sliding table is fixedly provided with a fourth clamp; the fourth jig includes: the fourth base, the fourth jacking cylinder and the fourth clamping block; the fourth base is fixedly arranged on the fourth servo sliding table; a fourth mounting groove and a spacing groove are formed in the fourth base; a fourth clamping block is fixedly embedded in the fourth mounting groove; a fourth workpiece groove is formed in the fourth clamping block, and a fourth positioning strip is arranged in the fourth workpiece groove; the fourth jacking cylinder is fixedly arranged on the fourth base, and a jacking rod of the fourth jacking cylinder extends into the fourth mounting groove and is fixedly connected with a fourth jacking block; the fourth top pressing block extends into a fourth workpiece groove; and a group of rotary claw mechanical arms are correspondingly arranged right in front of the fourth clamp.

Further, the structure and the principle of the second cutting device of the lock cylinder side groove are the same as those of the first cutting device of the lock cylinder side groove; and a group of rotary claw mechanical arms are correspondingly arranged right in front of the clamp in the second cutting device for the lock cylinder side groove.

Further, the driving block cutting device includes: a fifth processing machine head, a cross translation mechanism and a fifth clamp, wherein the structure of the fifth processing machine head is the same as that of the first processing machine head; the cross translation mechanism and the fifth clamp are respectively and independently installed on the rack platform; a fifth machining head is arranged on the cross translation mechanism; the cross translation mechanism is formed by connecting two groups of fifth servo motors; the fifth jig includes: the fifth base, the mounting body, the fifth clamping block and the fifth jacking cylinder; a fifth mounting groove is formed in the mounting body and is fixedly mounted on a fifth base; a fifth clamping block is fixedly embedded in the fifth mounting groove; a fifth workpiece groove is formed in the fifth clamping block, and a fifth positioning strip is arranged in the fifth workpiece groove; a sinking platform is arranged on the fifth base, and a fifth jacking cylinder is fixedly arranged on the sinking platform; the pushing end of the fifth jacking cylinder extends into the fifth mounting groove and is fixedly connected with a fifth jacking block; the fifth jacking block extends into the fifth workpiece groove; and a group of rotary claw mechanical arms are correspondingly arranged right in front of the fifth clamp.

Further, the lock core surface milling device comprises: a sixth machining head and a sixth servo sliding table; the sixth servo sliding table is arranged on the rack table, and a sixth machining head is arranged on a sliding seat of the sixth servo sliding table; the structure of the sixth processing machine head is the same as that of the first processing machine head; and a group of rotary claw mechanical arms are correspondingly arranged right in front of the sixth machining head.

Further, the discharging device comprises: a discharging bin, a discharging cylinder, a material returning rod and a guide block which are fixedly connected with the stand; the guide block is fixedly arranged at the top of the discharging bin; a material returning rod penetrates through the guide block in a sliding manner; one end of the material returning rod is fixedly connected with the ejector rod of the discharging cylinder, and the other end of the material returning rod is provided with a material returning clamping groove; the material returning clamping groove corresponds to the clamping sleeve lock cylinder positioning plate, and the width of the material returning clamping groove is larger than that of the lock cylinder positioning plate.

(III) advantageous effects

The invention has the following beneficial effects:

the invention provides a numerical control machining combination machine for a spring lock cylinder.A transmission arm is provided with a rotary cylinder and a lock cylinder positioning plate, wherein the lock cylinder positioning plate is inserted into a lock cylinder key slot, so that a lock cylinder workpiece can be effectively prevented from rotating and displacing, and the precision is ensured; the rotary cylinder can rotate the part to be processed towards the processing cutter in advance before the lock cylinder workpiece is sent into the clamp, so that the effect of automatic transmission of the workpiece between the processes is realized, automatic processing is realized, and the processing efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic view of the structure of the rotary claw robot arm in the present invention.

Fig. 4 is a schematic view of the internal structure of the grip portion of the rotary claw robot arm.

Fig. 5 is an enlarged view of the lock cylinder positioning plate.

Fig. 6 is a schematic view of the construction of a conventional claw robot arm in the present invention.

FIG. 7 is a schematic view of the structure of the feeding device of the present invention.

Fig. 8 is an enlarged view at a in fig. 7.

Fig. 9 is a schematic view of the overall structure of the bullet hole drilling apparatus of the present invention.

Fig. 10 is a schematic structural view of the first jig.

Fig. 11 is a mechanism diagram of the pressing mechanism of the first jig.

Fig. 12 is a partial cross-sectional view of fig. 11.

Fig. 13 is a schematic view of the overall structure of the vertical milling elastic groove processing device in the invention.

Fig. 14 is an enlarged structural view of the second jig at B in fig. 13.

Fig. 15 is a schematic view of the overall structure of the lock cylinder end face groove sinking device in the invention.

Fig. 16 is a mechanism diagram of the third clamp.

Fig. 17 is a sectional view of the third jig.

Fig. 18 is an enlarged view at C in fig. 17.

Fig. 19 is a schematic view showing the overall construction of the first cutting means of the key cylinder side groove in the present invention.

Fig. 20 is a schematic structural view of the elevating mechanism.

Fig. 21 is a schematic structural view of the fourth jig.

Fig. 22 is a partial sectional view of the fourth clip.

Fig. 23 is a schematic view showing the overall structure of the driving block cutting apparatus according to the present invention.

Fig. 24 is a schematic structural view of the fifth jig.

Fig. 25 is a sectional view at D in fig. 24.

Fig. 26 is a schematic structural diagram of a discharging device and a lock cylinder surface milling device in the invention.

Fig. 27 is an enlarged view at E in fig. 26.

Detailed Description

As shown in fig. 1-27, a digital control machining combination machine for pin tumbler lock cylinders comprises: the machining device comprises a machine frame 20, a machining unit 100, a workpiece conveying device 8, a feeding device 9 and a discharging device 10, wherein the machining unit 100 is arranged on the table surface of the machine frame 20; the bottom of the rack stand 20 is provided with a control box 200; the processing units 100 and the workpiece conveying device 8 are distributed oppositely; the feeding device 9 and the discharging device 10 are respectively distributed at two ends of the processing unit 100; the processing unit 100 is composed of a plurality of processing devices which are linearly arranged, and each processing device can independently complete the processing of one procedure; the workpiece transmission device 8 comprises a plurality of transmission arms 82 arranged on a seventh servo sliding table 81; the seventh servo sliding table 81 is mounted on the frame 20; the number and arrangement of the transmission arms 82 correspond to the number and arrangement of the processing devices in the processing unit 100; normally, a transmission arm 82 is arranged in front of each group of processing devices; when the machine is started, the whole row of transmission arms 82 moves forward by one station under the driving of the seventh servo sliding table 81, and meanwhile, after grabbing a workpiece on the previous station, returns to the initial position, and transmits the workpiece to the corresponding processing device, that is, the workpiece is transmitted to the processing unit 100 from the lock cylinder workpiece on the feeding device 9, and after the drilling, milling and cutting processes are completed, the workpiece is finally transmitted to the discharging device 10 for discharging.

Referring to fig. 3-6, the transfer arm 82 includes two categories, a rotating claw robot arm 82a and a conventional claw robot arm 82 b; the rotating claw mechanical arm 82a includes: a first movable arm rest 822a, a first holding component 824a and a rotary cylinder 823; the movable arm support 822a consists of a mounting base 821, a guide rod 8221 connected in a sliding manner in the guide through hole 8211, a head connecting plate 8222 and a tail connecting plate 8223 for mounting the guide rod 8221; a main cylinder 825 is further arranged on the mounting base 821, and a pneumatic shaft of the main cylinder 825 is fixedly connected with a tail connecting plate 8223; a rotary cylinder 823 is fixedly arranged on the front side face of the head connecting plate 8222; the first jaw assembly 824a includes: a clamping portion 8241 and a clamping cylinder 8240; the clamping part 8241 is fixedly arranged at the output end of the rotary cylinder 823; the clamping cylinder 8240 is arranged on the rear side surface of the head connecting plate 8222, and the ejector rod of the clamping cylinder is correspondingly connected with the clamping part 8241; the clamping portion 8241 includes: a shell body 8242, a transmission block 8243, a clamping finger 8244, a guide rail 8245 and a lock core positioning plate 8246 which are correspondingly connected with the rotary air cylinder 823; a lock cylinder positioning plate 8246 is connected to the outer part of the front end of the outer shell 8242, and a guide rail 8245 is fixedly arranged on the front side of the inner part of the outer shell 8242; the mirror image on the guide rail 8245 is slidably connected with two clamping fingers 8244 taking the lock cylinder positioning plate 8246 as the center; a transmission block 8243 is connected to the rear side inside the outer shell 8242; the front end of the transmission block 8243 is hinged with two transmission plates 8247 which are respectively butted with and drive two clamping fingers 8244; the driving plate 8247 is in shaft connection with the outer shell 8242 through a pin 8248; the rear end of the transmission block 8243 is provided with a T-shaped groove 82431; a circular pushing block 82432 is arranged in the T-shaped groove 82431; the ejector block 82432 is connected with the ejector rod of the clamping air cylinder 8240; the lock cylinder positioning plate 8246 is in a half key groove shape as a whole and is positioned at the central part of the clamping part 8241.

The process principle is as follows: the master cylinder 825 is used to control the entire first jaw assembly 824a towards and away from the machining device to effect the feeding of a tool into the fixture; the clamping air cylinder 8242 is used for controlling clamping fingers 8244 in a clamping portion 8241 to clamp and unclamp a lock cylinder workpiece; the lock cylinder positioning plate 8246 is correspondingly inserted into a key groove of a lock cylinder workpiece, so that the effect of preventing the lock cylinder workpiece from rotating is achieved; and the rotary cylinder 823 controls the clamping part 8241 to rotate so as to achieve the purpose of rotating the lock cylinder workpiece.

Preferably, the conventional claw robot arm 82b includes: a second moving arm 822b, a second gripper assembly 824 b; the second movable arm rest 822b has the same structure as the first movable arm rest 822 a; the second holding component 824b is identical in structure to the first holding component 824 a; the second holding component 824b is integrally installed and fixed at the front end of the second moving arm 822 b.

Referring to fig. 7-8, the feeding device 9 comprises: an upper tray 90 and a mounting bracket 91, a pneumatic sliding table 92 and a carrying block 93 which are arranged on the rack stand 20; a pneumatic sliding table 92 is mounted on the mounting bracket 91; the pneumatic sliding table 92 is provided with a carrying block 93; a seventh workpiece groove 931 with two open ends is formed in the carrying block 93, and a seventh positioning bar 932 is disposed in the first workpiece groove 931; the seventh workpiece groove 931 is correspondingly butted with the feeding tray 90; and a material baffle plate 911 is arranged on the mounting bracket 91 and is positioned at the rear end part of the seventh workpiece groove 931.

Referring to fig. 1-2, the processing assembly 100 includes: the device comprises one or more of a pin hole drilling device 1a, a pin hole reaming device 1b, a vertical milling pin slot processing device 2, a lock cylinder end face slot sinking device 3, a lock cylinder side slot first cutting device 4a, a lock cylinder side slot second cutting device 4b, a transmission block cutting device 5 and a lock cylinder surface milling device 6.

Referring to fig. 9 to 12, the bullet hole drilling apparatus 1a includes: the device comprises a first machining head 11, a first clamp 12 and two groups of first servo sliding tables 13; the two groups of first servo sliding tables 13 are correspondingly arranged on the rack frame 20; the sliding seats of the two groups of first servo sliding tables 13 are respectively provided with a first machining head 11 and a first clamp 12; the first processing head 11 is provided with a first power motor 111 and a first tool chuck 112 which are connected with each other; the first clamp 12 includes: a first base 121 and a first clamping block 122 mounted on one of the first servo slide tables 13; a first workpiece groove 1221 for clamping and placing the lock cylinder is formed in the first clamping block 122, and a first fixing strip 1222 is arranged in the first workpiece groove 1221; a first mounting groove 1211 is formed in the first base 121; a first clamping block 122 and a first jacking mechanism 123 are arranged in the first mounting groove 1211; the first pressing mechanism 123 includes: the first jacking cylinder 1231, the main push rod 1232 installed in the first installation groove 1211, the first jacking block 1233, and the connecting lever 1234; the first jacking cylinder 1231 is fixedly arranged on the first base 121; the pushing end of the first jacking cylinder 1231 is fixedly connected with a main push rod 1232; the main push rod 1232 is hinged to one end of the connecting lever 1234; the pair of connecting levers 1234 is coupled to the first base 121 by a pin 1235; the other end of the connecting lever 1234 is butted against the tail end of the first jacking block 1233; the head end of the first jacking block 1233 penetrates through the first clamping block 122 and extends into the first workpiece groove 1221; a group of conventional claw mechanical arms 82b are correspondingly arranged right in front of the first clamp 12.

The process principle is as follows: the lock cylinder workpiece in the first workpiece groove 1221 has the same rotation angle as that in the feeding device 9, and the lock cylinder workpiece can directly complete drilling without rotating, so that a group of conventional claw mechanical arms 82b are arranged; one of the two groups of first servo sliding tables 13 is used for controlling the feed amount of the first machining head 11, and the other group is used for controlling the first clamp 12 to move so as to complete the machining of a plurality of pin holes; the first jacking mechanism 123 adopts a lever form to jack the lock core workpiece, so that jacking force can be increased; the first positioning strip 1222 plays a good role in positioning, and prevents rotation of the lock cylinder workpiece during drilling.

Preferably, the structure and the principle of the bullet hole reaming device 1b are the same as those of the bullet hole drilling device 1 a; a group of conventional claw mechanical arms 82b are correspondingly arranged right in front of the clamp in the bullet hole reaming device 1 b.

Referring to fig. 13-14, the end mill elastic groove machining device 2 includes: a second machining head 21, a second clamp 22 and two groups of second servo sliding tables 23; the two groups of second servo sliding tables 23 are correspondingly arranged on the rack stand 20; a second machining head 21 and a second clamp 22 are respectively arranged on the sliding seats of the two groups of second servo sliding tables 23; the second processing head 21 has the same structure as the first processing head 11; the second clamp 22 includes: a second base 221, a second stepping motor 222, and a second clamping block 223 mounted on a set of second servo slide 23; a first-step servo motor 222 is fixedly arranged on the second base 221; a second clamp second clamping block 223 is fixedly connected to an output shaft of the second stepping motor 222; a second workpiece groove 2231 is formed in the upper portion, and a second fixed bar 2232 is disposed in the second workpiece groove 2231; the second workpiece slot 2231 is located in front of the second machining head 21; a second jacking cylinder 224 is further fixedly arranged on the second clamping block 223, and a second jacking block 225 is coupled through a round shaft 226; one end of the second jacking block 225 is connected with the jacking rod of the second jacking cylinder 224, and the other end is positioned above the second workpiece groove 2231; a set of conventional claw robot arms 82b is arranged directly in front of the second gripper 22.

The process principle is as follows: the processing tool drop point of the lock cylinder vertical milling spring slot and the spring hole are on the same straight line, so that a lock cylinder workpiece does not need to rotate, and a group of conventional claw mechanical arms 82b are correspondingly arranged; one of the two groups of second servo sliding tables 23 is used for controlling the feed amount of the second machining head 21, and the other group is used for controlling the horizontal movement of the second fixture 22, so that the vertical milling function is realized; the second stepping motor 222 is connected with the second clamping block 223 to drive the second clamping block 223 to rotate the lock cylinder workpiece so as to match the second machining head 21 to mill a required arc-shaped vertical milling spring slot on the surface of the lock cylinder workpiece; the second fixed strip 2232 also has the effect of preventing rotation of the lock cylinder workpiece.

Referring to fig. 15-18, the plug end face countersink 3 comprises: a third machining head 31, a third jig 32, and a third servo slide table 33; the third servo sliding table 33 is arranged on the rack stand 20, and a third machining head 31 is arranged on the third servo sliding table; the third processing head 31 has the same structure as the first processing head 11; the third clamp 32 is fixedly mounted on the frame 20 and positioned in front of the third machining head 31; the third jig 32 includes: a third mounting rack 321, a third rotating cylinder 322, a third jacking cylinder 323, a third clamping block 324 and a third jacking block 325; the third mounting frame 321 is a multi-layer mechanism, a third rotary cylinder 322 is fixedly mounted at the bottom layer, a fixture body 326 is mounted at the middle layer, and a third jacking cylinder 323 is mounted at the top layer; the output end of the third rotating cylinder 322 is connected with the bottom end of a rotating shaft 327; the top end of the rotating shaft 327 extends upwards, and is connected and fixed with the clamp body 326 after passing through the middle layer plate of the third mounting frame 321; the rotating shaft 327 is coupled to the middle plate of the third mounting frame 321 through a first bearing 328; the fixture body 326 is provided with a third mounting groove 3261, and a third clamping block 324 is correspondingly embedded and fixed; a third workpiece groove 3241 is formed in the third clamping block 324, and a third positioning bar 3242 is arranged in the third workpiece groove 3241; the third pressing block 325 is positioned in the third mounting groove 3261, the top of the third pressing block is coupled to the pressing rod of the third pressing cylinder 323 through the second bearing 329, and the bottom of the third pressing block extends into the third workpiece groove 3241; a set of conventional claw mechanical arms 82b is correspondingly arranged right in front of the third clamp 32.

The process principle is as follows: the sinking point of the lock cylinder end face slot and the ball hole are positioned on the same plumb line, and a group of conventional claw mechanical arms 82b are correspondingly arranged for the lock cylinder end face sinking point and the ball hole without rotating a lock cylinder workpiece; the third servo sliding table 33 is used for controlling the feed amount of the third machining head 31; after the third rotary cylinder 322 of the third fixture 32 is used for turning the end face of the lock cylinder workpiece, the third machining head 31 is convenient to machine, and after machining is completed, the end face is turned again, so that workpiece conveying and arrangement of each machining device are facilitated; the third positioning strip 3242 also serves to prevent rotation of the lock cylinder workpiece.

Referring to fig. 19 to 22, the first key cylinder-side groove cutting device 4a includes: a fourth machining head 41, a fourth jig 42, a fourth servo slide table 43, and a lifting mechanism 44; the fourth processing head 41 is fixedly mounted on the frame 20, and has the same structure as the first processing head 11; the lifting mechanism 44 is provided with a mounting seat 441 correspondingly connected and fixed with the stand 20; the mounting seat 441 is slidably connected with a lifting table 442; a second servo motor 443 is also installed and connected at the bottom of the installation seat 441; the second servo motor 443 is connected with the lifting platform 442 through a screw rod 444; a fourth servo sliding table 43 is arranged on the surface of the lifting table 442; a fourth clamp 42 is fixedly arranged on the sliding seat of the fourth servo sliding table 43; the fourth clamp 42 includes: a fourth base 421, a fourth jacking cylinder 422 and a fourth clamping block 423; the fourth base 421 is fixedly mounted on the fourth servo sliding table 43; a fourth mounting groove 4211 and a spacing groove 4212 are formed in the fourth base 421; a fourth clamping block 423 is fixedly embedded in the fourth mounting groove 4211; a fourth workpiece groove 4231 is formed in the fourth clamping block 423, and a fourth positioning bar 4232 is arranged in the fourth workpiece groove 4231; the fourth jacking cylinder 422 is fixedly mounted on the fourth base 421, and a jacking rod of the fourth jacking cylinder extends into the fourth mounting groove 4211 and is fixedly connected with a fourth jacking block 424; extension of the fourth top press piece 424 into the fourth workpiece slot 4231; a set of rotary claw mechanical arms 82a is correspondingly arranged right in front of the fourth clamp 42.

The process principle is as follows: the cutting of the lock cylinder side groove needs to rotate the lock cylinder workpiece at the previous process position, a group of rotary claw mechanical arms 82a are correspondingly arranged for the rotation, and before the lock cylinder workpiece is sent into the fourth workpiece groove 4231 of the fourth clamp 42, the rotary claw mechanical arms 82a rotate the position needing to be cut to face a machining tool; the lifting mechanism 44 controls the fourth clamp 42 to lift so as to drive the workpiece to lean against the cutter, and cutting machining is completed; the fourth servo sliding table 43 drives the fourth fixture 42 to perform horizontal displacement so as to meet the requirement of processing a plurality of lock cylinder side grooves; the avoiding groove 4212 on the fourth clamp 42 plays a role of avoiding a cutting tool, and the fourth positioning bar 4232 plays a role of positioning a lock cylinder workpiece.

Preferably, the structure and principle of the second cutting device 4b of the lock cylinder side groove are the same as those of the first cutting device 4a of the lock cylinder side groove; a set of rotary claw mechanical arms 82a are correspondingly arranged right in front of the clamp in the lock cylinder side groove second cutting device 4 b.

Referring to fig. 23-25, the drive block cutting apparatus 5 includes: a fifth machining head 51, a cross translation mechanism 52 and a fifth clamp 53, which have the same structure as the first machining head 11; the cross-shaped translation mechanism 52 and the fifth clamp 53 are respectively and independently installed on the rack 20; a fifth machining head 51 is arranged on the cross translation mechanism 52; the cross translation mechanism 52 is formed by connecting two groups of fifth servo motors 54; the fifth jig 53 includes: a fifth base 531, an installation body 532, a fifth clamping block 533, and a fifth pressing cylinder 534; a fifth mounting groove 5321 is formed in the mounting body 532 and is fixedly mounted on the fifth base 531; a fifth clamping block 533 is fixedly embedded in the fifth mounting groove 5321; a fifth workpiece groove 5331 is formed in the fifth clamping block 533, and a fifth positioning bar 5332 is arranged in the fifth workpiece groove 5331; a sinking platform is arranged on the fifth base 531, and a fifth jacking cylinder 534 is fixedly installed on the sinking platform; the pushing end of the fifth jacking cylinder 534 extends into the fifth mounting groove 5321 and is fixedly connected with a fifth jacking block 535; the fifth top press block 535 extends into the fifth workpiece groove 5331; a set of rotary claw mechanical arms 82a is arranged right in front of the fifth clamp 53.

The process principle is as follows: the transmission block cutting needs to rotate the lock cylinder workpiece at the previous process position, a group of rotary claw mechanical arms 82a are correspondingly arranged, and before the lock cylinder workpiece is sent into the fifth workpiece groove 5331 of the fifth clamp 53, the rotary claw mechanical arms 82a rotate the position needing to be cut to face a machining tool; the cross-shaped translation mechanism 52 drives the fifth processing head 51 to do horizontal movement so as to prop against the lock core workpiece to finish cutting processing; the fifth positioning strip 5332 also has the effect of preventing the lock cylinder workpiece from rotating.

Referring to fig. 26, the lock cylinder surface milling device 6 includes: a sixth machining head 61 and a sixth servo slide table 62; the sixth servo sliding table 62 is mounted on the frame stand 20, and a sixth machining head 61 is mounted on the sliding base; the structure of the sixth processing head 61 is the same as that of the first processing head 11; a group of rotary claw mechanical arms 82a are correspondingly arranged right in front of the sixth machining head 61.

Referring to fig. 26-27, the outfeed device 10 comprises: a discharging bin 101, a discharging cylinder 102, a material returning rod 103 and a guide block 104 which are fixedly connected with the frame 20; the guide block 104 is fixedly arranged at the top of the discharging bin 101; a material returning rod 103 penetrates through the guide block 104 in a sliding manner; one end of the material returning rod 103 is fixedly connected with the ejector rod of the discharging cylinder 102, and the other end of the material returning rod is provided with a material returning clamping groove 1031; material returned draw-in groove 1031 corresponds cutting ferrule lock core locating plate 8246, and the width is greater than lock core locating plate 8246's width.

Referring to fig. 26 to 27, the surface light milling and discharging of the lock cylinder are synchronously completed, so that a material returning clamping groove 1031 on a material returning rod 103 can clamp a lock cylinder positioning plate 8246, the direction of the lock cylinder positioning plate 8246 needs to be adjusted, and a group of rotary claw mechanical arms 82a are correspondingly arranged; the group of rotary claw mechanical arms 82a push the lock cylinder workpiece to be right above the discharging bin 101, and meanwhile, the discharging cylinder 102 drives the discharging rod 103, so that the discharging clamping groove 1031 corresponds to the rear half part of the ferrule lock cylinder positioning plate 8246; sixth processing aircraft nose 61 is under the drive of sixth servo slip table 62, by implementing processing to the lock core work piece to return after accomplishing, this set of rotatory claw arm 82a return afterwards, at the return in-process, material returned pole 103 pushes the lock core work piece to ejection of compact storehouse 101 in following the trend, accomplishes the ejection of compact.

It is to be understood that the exemplary embodiments described herein are illustrative and not restrictive; although the embodiments of the present invention have been described with reference to the accompanying drawings, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A numerical control machining combination machine for a spring lock cylinder comprises: the device comprises a rack (20), a processing unit (100) arranged on the table surface of the rack (20), a workpiece conveying device (8), a feeding device (9) and a discharging device (10); the method is characterized in that: the bottom of the rack table (20) is provided with a control box (200); the processing unit (100) and the workpiece transmission device (8) are distributed oppositely; the feeding device (9) and the discharging device (10) are respectively distributed at two ends of the processing unit (100); the processing unit (100) is composed of a plurality of processing devices which are linearly arranged; the workpiece transmission device (8) comprises a plurality of transmission arms (82) arranged on a seventh servo sliding table (81); the seventh servo sliding table (81) is installed on the rack (20); the number and the arrangement mode of the transmission arms (82) correspond to the processing devices in the processing unit (100); the transmission arm (82) transmits the lock cylinder workpiece on the feeding device (9) to the machining unit (100) through the movement of the seventh servo sliding table (81), and finally sends the lock cylinder workpiece to the discharging device (10) for discharging after drilling, milling and cutting processes are finished.

2. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 1, is characterized in that: the transfer arm (82) comprises two categories of a rotating claw robot (82 a) and a conventional claw robot (82 b); the rotary claw robot arm (82 a) includes: the device comprises a first movable arm support (822 a), a first claw holding component (824 a) and a rotary cylinder (823); the movable arm support (822 a) consists of an installation base (821), a guide rod (8221) which is connected in the guide through hole (8211) in a sliding mode, a head connecting plate (8222) and a tail connecting plate (8223) which are used for installing the guide rod (8221); the mounting base (821) is also provided with a main cylinder (825), and a pneumatic shaft of the main cylinder (825) is fixedly connected with a tail connecting plate (8223); a rotary cylinder (823) is fixedly arranged on the front side face of the first connecting plate (8222); the first jaw assembly (824 a) includes: a clamping part (8241) and a clamping cylinder (8240); the clamping part (8241) is fixedly arranged at the output end of the rotating cylinder (823); the clamping cylinder (8240) is arranged on the rear side face of the head connecting plate (8222), and the ejector rod of the clamping cylinder is correspondingly connected with the clamping part (8241); the clamping portion (8241) includes: the lock cylinder positioning plate comprises a shell body (8242), a transmission block (8243), clamping fingers (8244), a guide rail (8245) and a lock cylinder positioning plate (8246), wherein the shell body is correspondingly connected with a rotary air cylinder (823); a lock cylinder positioning plate (8246) is connected to the outer portion of the front end of the outer shell (8242), and a guide rail (8245) is fixedly arranged on the front side of the inner portion of the outer shell; the mirror image on the guide rail (8245) is connected with two clamping fingers (8244) taking the lock core positioning plate (8246) as the center in a sliding manner; a transmission block (8243) is connected to the rear side inside the outer shell (8242); the front end of the transmission block (8243) is hinged with two transmission plates (8247) which are respectively butted with and drive two clamping fingers (8244); the transmission plate (8247) is in shaft connection with the outer shell (8242) through a pin (8248); the rear end of the transmission block (8243) is provided with a T-shaped groove (82431); a round pushing block (82432) is arranged in the T-shaped groove (82431); the ejector block (82432) is connected with an ejector rod of a clamping cylinder (8240); the lock core positioning plate (8246) is in a half key groove shape as a whole and is positioned at the central part of the clamping part (8241).

3. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 2, is characterized in that: the conventional claw robot arm (82 b) includes: a second movable arm support (822 b) and a second claw holding component (824 b); the second movable arm support (822 b) has the same structure as the first movable arm support (822 a); the second clamping component (824 b) is the same as the first clamping component (824 a); the second claw holding component (824 b) is integrally installed and fixed at the front end of the second movable arm support (822 b).

4. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 1, is characterized in that: the feeding device (9) comprises: an upper tray (90) and a mounting bracket (91) which are arranged on the rack (20), a pneumatic sliding table (92) and a carrying block (93); a pneumatic sliding table (92) is mounted on the mounting bracket (91); the pneumatic sliding table (92) is provided with a carrying block (93); a seventh workpiece groove (931) with two open ends is formed in the carrying block (93), and a seventh positioning bar (932) is arranged in the first workpiece groove (931); the seventh workpiece groove (931) is correspondingly butted with the feeding tray (90); and a material baffle plate (911) is arranged on the mounting bracket (91) and is positioned at the rear end part of the seventh workpiece groove (931).

5. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 1, is characterized in that: the machining assembly (100) comprises: the device comprises one or more of a ball hole drilling device (1 a), a ball hole reaming device (1 b), a vertical milling ball slot processing device (2), a lock cylinder end face slot sinking device (3), a lock cylinder side slot first cutting device (4 a), a lock cylinder side slot second cutting device (4 b), a transmission block cutting device (5) and a lock cylinder surface milling device (6).

6. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 5, is characterized in that: the bullet hole drilling device (1 a) comprises: the device comprises a first machining head (11), a first clamp (12) and two groups of first servo sliding tables (13); the two groups of first servo sliding tables (13) are correspondingly arranged on the rack table (20); a first machining head (11) and a first clamp (12) are respectively arranged on the sliding seats of the two groups of first servo sliding tables (13); the first machining head (11) is provided with a first power motor (111) and a first tool chuck (112) which are connected with each other; the first clamp (12) comprises: a first base (121) and a first clamping block (122) which are arranged on one group of first servo sliding tables (13); a first workpiece groove (1221) for clamping and placing the lock cylinder is formed in the first clamping block (122), and a first fixing strip (1222) is arranged in the first workpiece groove (1221); a first mounting groove (1211) is formed in the first base (121); a first clamping block (122) and a first jacking mechanism (123) are arranged in the first mounting groove (1211); the first pressing mechanism (123) comprises: the device comprises a first jacking cylinder (1231), a main push rod (1232) arranged in a first mounting groove (1211), a first jacking block (1233) and a connecting lever (1234); the first jacking cylinder (1231) is fixedly arranged on the first base (121); the pushing end of the first jacking cylinder (1231) is fixedly connected with a main push rod (1232); the main push rod (1232) is hinged with one end of the connecting lever (1234); the pair of connecting levers (1234) is coupled to the first base (121) by a pin (1235); the other end of the connecting lever (1234) is butted with the tail end of the first top pressing block (1233); the head end of the first top pressing block (1233) penetrates through the first clamping block (122) and extends into the first workpiece groove (1221); and a group of conventional claw mechanical arms (82 b) are correspondingly arranged right in front of the first clamp (12).

7. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 5, is characterized in that: the structure and the principle of the bullet hole reaming device (1 b) are the same as those of the bullet hole drilling device (1 a); and a group of conventional claw mechanical arms (82 b) are correspondingly arranged right in front of the clamp in the bullet hole reaming device (1 b).

8. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 5, is characterized in that: the end milling elastic groove machining device (2) comprises: the second machining head (21), the second clamp (22) and two groups of second servo sliding tables (23); the two groups of second servo sliding tables (23) are correspondingly arranged on the rack table (20); a second machining head (21) and a second clamp (22) are respectively arranged on the sliding seats of the two groups of second servo sliding tables (23); the structure of the second processing head (21) is the same as that of the first processing head (11); the second clamp (22) comprises: a second base (221), a second stepping motor (222) and a second clamping block (223) which are arranged on a group of second servo sliding tables (23); a first-step servo motor (222) is fixedly arranged on the second base (221); a second clamp second clamping block (223) is fixedly connected to an output shaft of the second stepping motor (222); a second workpiece groove (2231) is formed in the upper part, and a second fixed bar (2232) is arranged in the second workpiece groove (2231); the second workpiece groove (2231) is positioned in front of the second machining head (21); a second jacking cylinder (224) is further fixedly arranged on the second clamping block (223) and is connected with a second jacking block (225) through a round shaft (226) in a shaft connection mode; one end of the second jacking block (225) is connected with a jacking rod of the second jacking cylinder (224), and the other end of the second jacking block is positioned above the second workpiece groove (2231); and a group of conventional claw mechanical arms (82 b) are correspondingly arranged right in front of the second clamp (22).

9. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 5, is characterized in that: the lock cylinder end face sink groove device (3) comprises: a third machining head (31), a third clamp (32) and a third servo sliding table (33); the third servo sliding table (33) is mounted on the frame (20) and provided with a third machining head (31), the third machining head (31) is identical to the first machining head (11) in structure, the third clamp (32) is fixedly mounted on the frame (20) and located in front of the third machining head (31), the third clamp (32) comprises a third mounting frame (321), a third rotary cylinder (322), a third jacking cylinder (323), a third clamping block (324) and a third jacking block (325), the third mounting frame (321) is a multi-layer mechanism, the third rotary cylinder (322) is fixedly mounted at the bottom layer of the third mounting frame, a clamp body (326) is mounted at the middle layer, the third jacking cylinder (323) is mounted at the top layer, the output end of the third rotary cylinder (322) is connected with the bottom end of a rotating shaft (327), and the top end of the rotating shaft (327) extends upwards, after passing through the middle layer plate of the third mounting frame (321), the middle layer plate is connected and fixed with the clamp body (326); the rotating shaft (327) is in shaft connection with the middle layer plate of the third mounting frame (321) through a first bearing (328); the clamp body (326) is provided with a third mounting groove (3261), and a third clamping block (324) is correspondingly embedded and fixed; a third workpiece groove (3241) is formed in the third clamping block (324), and a third positioning strip (3242) is arranged in the third workpiece groove (3241); the third jacking pressing block (325) is positioned in the third mounting groove (3261), the top of the third jacking pressing block is in shaft connection with a jacking rod of the third jacking cylinder (323) through a second bearing (329), and the bottom of the third jacking pressing block extends into the third workpiece groove (3241); and a group of conventional claw mechanical arms (82 b) are correspondingly arranged right in front of the third clamp (32).

10. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 5, is characterized in that: the first key cylinder side groove cutting device (4 a) includes: a fourth machining head (41), a fourth clamp (42), a fourth servo sliding table (43) and a lifting mechanism (44); the fourth machining head (41) is fixedly arranged on the rack (20) and has the same structure as the first machining head (11); the lifting mechanism (44) is provided with a mounting seat (441) which is correspondingly connected and fixed with the rack table (20); the mounting base (441) is slidably connected with a lifting table (442); the bottom of the mounting seat (441) is also connected with a second servo motor (443); the second servo motor (443) is connected with the lifting platform (442) through a screw rod (444); a fourth servo sliding table (43) is arranged on the surface of the lifting table (442); a fourth clamp (42) is fixedly arranged on the sliding seat of the fourth servo sliding table (43); the fourth clamp (42) includes: a fourth base (421), a fourth jacking cylinder (422) and a fourth clamping block (423); the fourth base (421) is fixedly arranged on the fourth servo sliding table (43); a fourth mounting groove (4211) and a spacing groove (4212) are formed in the fourth base (421); a fourth clamping block (423) is embedded and fixed in the fourth mounting groove (4211); a fourth workpiece groove (4231) is formed in the fourth clamping block (423), and a fourth positioning bar (4232) is arranged in the fourth workpiece groove (4231); the fourth jacking cylinder (422) is fixedly arranged on the fourth base (421), a jacking rod of the fourth jacking cylinder extends into the fourth mounting groove (4211), and a fourth jacking block (424) is fixedly connected with the fourth jacking cylinder; an extension of the fourth top press block (424) into a fourth workpiece groove (4231); and a group of rotary claw mechanical arms (82 a) are correspondingly arranged right in front of the fourth clamp (42).

11. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 5, is characterized in that: the structure and the principle of the second cutting device (4 b) of the lock cylinder side groove are the same as those of the first cutting device (4 a) of the lock cylinder side groove; and a group of rotary claw mechanical arms (82 a) are correspondingly arranged right in front of the clamp in the lock cylinder side groove second cutting device (4 b).

12. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 5, is characterized in that: the drive block cutting device (5) comprises: a fifth processing head (51), a cross translation mechanism (52) and a fifth clamp (53) which have the same structure as the first processing head (11); the cross translation mechanism (52) and the fifth clamp (53) are respectively and independently installed on the rack (20); a fifth machining head (51) is arranged on the cross translation mechanism (52); the cross translation mechanism (52) is formed by connecting two groups of fifth servo motors (54); the fifth jig (53) includes: a fifth base (531), an installation body (532), a fifth clamping block (533) and a fifth jacking cylinder (534); a fifth mounting groove (5321) is formed in the mounting body (532), and the mounting body is fixedly mounted on a fifth base (531); a fifth clamping block (533) is embedded and fixed in the fifth mounting groove (5321); a fifth workpiece groove (5331) is formed in the fifth clamping block (533), and a fifth positioning bar (5332) is arranged in the fifth workpiece groove (5331); a sinking platform is arranged on the fifth base (531), and a fifth jacking cylinder (534) is fixedly installed on the sinking platform; the pushing end of the fifth jacking cylinder (534) extends into the fifth mounting groove (5321) and is fixedly connected with a fifth jacking block (535); the fifth top press block (535) extends into a fifth workpiece groove (5331); and a group of rotary claw mechanical arms (82 a) are correspondingly arranged right in front of the fifth clamp (53).

13. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 5, is characterized in that: the lock core surface milling device (6) comprises: a sixth machining head (61) and a sixth servo sliding table (62); the sixth servo sliding table (62) is arranged on the rack table (20), and a sixth machining head (61) is arranged on the sliding seat of the sixth servo sliding table; the structure of the sixth processing head (61) is the same as that of the first processing head (11); and a group of rotary claw mechanical arms (82 a) are correspondingly arranged right in front of the sixth machining head (61).

14. The numerical control machining combination machine for the pin tumbler lock cylinder according to claim 1, is characterized in that: the discharge device (10) comprises: a discharging bin (101), a discharging cylinder (102), a material returning rod (103) and a guide block (104) which are fixedly connected with the rack (20); the guide block (104) is fixedly arranged at the top of the discharging bin (101); a material returning rod (103) penetrates through the guide block (104) in a sliding manner; one end of the material returning rod (103) is fixedly connected with a push rod of the discharging cylinder (102), and the other end of the material returning rod is provided with a material returning clamping groove (1031); the material returning clamping groove (1031) corresponds to the clamping sleeve lock cylinder positioning plate (8246), and the width of the material returning clamping groove is larger than that of the lock cylinder positioning plate (8246).