Disclosure of Invention
The invention aims to solve the technical problem of low assembly efficiency of the safety syringe in the background technology.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an automated safety syringe assembly line, comprising:
the first mounting group comprises a first rotating disc, and a needle tube feeding device, a needle seat mounting device, a self-destructor mounting device and a first discharging device which are sequentially arranged along the circumferential direction of the first rotating disc;
the feeding end of the first conveying device is butted with the first discharging device;
the second mounting group comprises a second turntable, and a first feeding device, a plasma heating device, a needle head mounting device, a glue spraying device, a curing device and a second discharging device which are sequentially arranged along the circumferential direction of the second turntable; the first feeding device is butted with a discharging end of the first conveying device;
the feeding end of the second conveying device is butted with the second discharging device;
the third mounting group comprises a third turntable, and a push rod feeding device, a piston mounting device, a spring mounting device, a core rod mounting device, a rubber cap mounting device and a third blanking device are sequentially arranged along the circumferential direction of the third turntable;
the feeding end of the third conveying device is butted with the third blanking device;
the fourth mounting group comprises a fourth turntable, and a second feeding device, a silicification device, a rubber cover mounting device, an integral assembling device, a final inspection device, a waste product processing device and a qualified product output device which are sequentially arranged along the circumferential direction of the fourth turntable; the second feeding device is opposite to the discharging end of the second arbitrary conveying device, and the integral assembling device is opposite to the discharging end of the third conveying device;
the periphery of first carousel, second carousel, third carousel, fourth carousel all is provided with multiunit location structure, location structure is used for fixing needle tubing or push rod, location structure rotates along with the carousel, passes through each loading attachment, installation device, conveyor in proper order.
Further, the needle seat mounting device comprises a needle seat vibration disc, a needle seat vacuum feeder, a needle seat separation seat, a needle seat storage seat, a needle seat feeding baffle, a needle seat feeding motor and a baffle motor;
the needle seat vacuum feeder is communicated with the needle seat vibration disc and the needle seat separator;
the needle seat storage seat is arranged below the needle seat separation seat, and a storage hole is formed in the needle seat storage seat;
the needle seat feeding baffle is arranged below the needle seat storage seat and above the needle tube of the needle seat to be installed;
the needle seat feeding motor is connected with the needle seat separating seat and used for driving the needle seat separating seat to move above the needle seat storage needle seat so that the needle seat in the material distributing hole of the needle seat separating seat falls into the material storing hole of the needle seat storage seat;
the baffle motor with needle file pay-off baffle is connected, and it is used for the drive needle file pay-off baffle removes to make the downthehole needle file of storage fall into the needle tubing or block the downthehole needle file whereabouts of storage.
Further, the first conveying device comprises an upper conveying belt, a lower conveying belt, a plurality of positioning plates, a positioning plate lifting device and a turnover device;
the positioning plate is used for fixing the needle tube;
the positioning plate lifting devices are arranged at two ends of the first conveying device and used for moving the positioning plates between the belt conveying belts and the lower conveying belts;
the overturning device is arranged at one end of the first conveying device and comprises a suction nozzle assembly and an overturning motor for driving the suction nozzle assembly to overturn, a plurality of suction nozzles are mounted on the suction nozzle assembly, and the suction nozzles are used for grabbing needle tubes.
Further, the first conveying device comprises an upper conveying belt, a lower conveying belt, a plurality of positioning plates, a positioning plate lifting device and a turnover device;
the positioning plate is used for fixing the needle tube;
the positioning plate lifting devices are arranged at two ends of the first conveying device and used for moving the positioning plates between the belt conveying belts and the lower conveying belts;
the overturning device is arranged at one end of the first conveying device and comprises a suction nozzle assembly and an overturning motor for driving the suction nozzle assembly to overturn, a plurality of suction nozzles are mounted on the suction nozzle assembly, and the suction nozzles are used for grabbing needle tubes.
Further, the needle tip mounting device comprises:
the upper needle point clamping plate is connected with the needle point clamping plate cylinder and arranged above the fixing structure of the second turntable; a plurality of needle point funnel grooves are formed in the upper needle point clamping plate, the openings of the needle point funnel grooves are upward, and the lower ends of the needle point funnel grooves are opposite to the needle cylinder to be provided with the needle points;
a needle tip sucker assembly having a plurality of needle tip suckers; the needle point sucker overturning mechanism is connected with the needle point sucker overturning cylinder and is driven by the needle point sucker overturning cylinder to overturn the needle point sucker mounting rod to enable the needle point sucker to overturn for 90 degrees;
the needle point sucker lifting cylinder is connected with the needle point sucker overturning mechanism and the needle point sucker overturning cylinder;
and the needle point sucker telescopic cylinder is connected with the needle point sucker turnover mechanism and used for pushing the needle point sucker mounting rod to enable the needle point sucker to reach the position right above the needle point funnel.
Further, the piston mounting device includes:
a piston vibrating disk having a piston conveying conduit;
the piston sleeve rod assembly is provided with a plurality of piston sleeve rods, and the sleeve rod mounting rod is positioned right below the piston conveying pipeline;
the sleeve rod lifting cylinder is connected with the piston sleeve rod assembly;
the loop bar transverse moving cylinder is connected with the loop bar lifting cylinder and is used for driving the loop bar lifting cylinder and the piston loop bar assembly to transversely move so as to enable the piston loop bars to be opposite to the piston conveying pipeline one by one;
a piston sleeve assembly having a plurality of piston sleeves for adsorbing pistons;
the piston sleeve overturning mechanism is connected with the piston sleeve assembly and is used for overturning the piston sleeve assembly under the driving of the piston sleeve overturning mechanism;
and the piston sleeve lifting cylinder is connected with the piston sleeve assembly and is used for pushing the piston sleeve assembly to be connected so as to connect the piston on the sleeve with the lower end of the push rod.
Further, the rubber cap mounting device includes:
the rubber cap material guide plate is provided with a plurality of rubber cap material guide grooves, and rubber caps are sequentially arranged in the rubber cap material guide grooves;
the rubber cap sleeve assembly comprises a plurality of rubber cap sleeves, and the rubber cap sleeves are used for sucking rubber caps;
the rubber cap sleeve lifting cylinder is connected with the rubber cap sleeve assembly;
and the rubber cap sleeve telescopic cylinder is connected with the rubber cap sleeve lifting cylinder and the rubber cap sleeve assembly and is used for driving the rubber cap sleeve assembly to move along the axial direction of the third turntable.
Further, the silicification device comprises a silicification box, a silicification box lifting cylinder for driving the silicification box to lift, a silicification detection positioning needle assembly and a blockage detection lifting cylinder for driving the silicification detection positioning needle assembly to lift;
the silicification detection positioning needle assembly comprises a plurality of detection positioning needles;
the silicification box is arranged below the needle tube to be silicified, and the silicification detection positioning needle assembly is arranged above the needle tube to be silicified.
Further, the waste output device comprises a material ejecting rubber block, a material ejecting air cylinder, an air blowing pipe lifting air cylinder and a waste guide groove;
the ejection rubber block is arranged below the positioning structure of the fourth turntable and used for ejecting waste products to be removed, and the ejection air cylinder is used for driving the ejection rubber block to move up and down;
the air blowing pipe is arranged above the positioning structure of the fourth turntable and used for blowing air to the waste products jacked up by the jacking air cylinder;
the waste guide groove is arranged on the outer side of the fourth rotary table and used for receiving waste blown out by the air blowing pipe.
Furthermore, the assembly production line also comprises a plurality of process detection devices; the process detection device is arranged on the periphery of one or more of the first turntable, the second turntable, the third turntable and the fourth turntable;
the process detection device comprises a detection camera and a detection motor, wherein the detection camera is connected with the output end of the detection motor.
Furthermore, the assembly production line also comprises a plurality of material aligning devices;
the material aligning device comprises a material aligning push plate and a material aligning push plate cylinder, and the material aligning push plate is used for contacting or being far away from the push rod or the needle tube under the driving of the material aligning push plate cylinder.
According to the invention, all actions of manual assembly of the safety injector are decomposed into different stations, the air cylinder, the motor and the like controlled by the controller are used as power, and different transmission parts such as the sucker, the turnover device, the conveying device, the detection device and the like are matched, so that the full automation of the safety injector is realized, and the safety injector has the advantages of saving labor cost, reducing labor intensity, reducing high standardization cost, improving product qualification rate, reducing production cost and the like. Particularly, the second mounting group and the third mounting group are connected into the fourth mounting group through the conveying device, so that the overall operation route of the workpiece is shortened, and the working efficiency is improved.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a cross-sectional view of the safety syringe;
FIG. 2 is a top view of an automated safety syringe assembly line in this embodiment;
FIG. 3 is a schematic structural view of the needle hub mounting means in the present embodiment;
FIG. 4 is a schematic structural diagram of a first blanking device in this embodiment;
FIG. 5 is a schematic structural diagram of a first conveying device in the present embodiment;
FIG. 6 is an enlarged view at A in FIG. 5;
FIG. 7 is a schematic structural diagram of a first feeding device in this embodiment;
FIG. 8 is a schematic structural view of the needle tip mounting device of the present embodiment;
FIG. 9 is a schematic structural view of a piston mounting apparatus in the present embodiment;
FIG. 10 is a schematic structural view of a silicidation apparatus according to the present embodiment;
FIG. 11 is a schematic structural view of the glue cap installation apparatus of the present embodiment;
FIG. 12 is a schematic structural diagram of a final inspection apparatus according to the present embodiment;
FIG. 13 is a schematic view showing the construction of a waste treatment apparatus according to the present embodiment;
FIG. 14 is a schematic structural view of a material aligning device in the present embodiment;
fig. 15 is a schematic structural diagram of the pressing device in this embodiment.
Wherein, 01, the needle tube, 02, the needle seat, 03, the self-destructor, 04, the needle tip, 05, the push rod, 06, the piston, 07, the spring, 08, the core rod, 09, the rubber cap, 010, the rubber cover, 1, the first mounting group, 2, the second mounting group, 3, the third mounting group, 4, the fourth mounting group, 5, the first conveying device, 6, the second conveying device, 7, the third conveying device, 8, the process detection device, 9, the material alignment device, 10, the material pressing device, 11, the first rotary disc, 12, the needle tube feeding device, 13, the needle seat mounting device, 14, the self-destructor mounting device, 15, the first blanking device, 21, the second rotary disc, 22, the first feeding device, 23, the plasma heating device, 24, the needle tip mounting device, 25, the glue spraying device, 26, the curing device, 27, the second blanking device, 31, the third rotary disc, 32, the push rod feeding device, 33, the piston mounting device, 34. a spring mounting device, 35, a core bar mounting device, 36, a rubber cap mounting device, 37, a third blanking device, 41, a fourth rotating disc, 42, a second feeding device, 43, a silicification device, 44, a rubber cover mounting device, 45, an integral assembly device, 46, a final inspection device, 47, a waste processing device, 48, a qualified product output device, 51, an upper conveying belt, 52, a lower conveying belt, 53, a positioning plate, 54, a positioning plate lifting device, 55, a turnover device, 81, a detection camera, 82, a detection motor, 91, a material aligning push plate, 92, a material aligning push plate cylinder, 101, a material pressing push plate, 102, a push plate lifting cylinder, 103, a positioning pin, 131, a needle seat vibrating disc, 132, a needle seat vacuum feeder, 133, a needle seat separating seat, 1331, a material distributing hole, 134, a needle seat material storing seat, 135, a needle seat feeding baffle, 136, a needle seat feeding motor, 137, a baffle, a 151, a baffle, a third rotating disc, a fourth rotating disc, 42, a fourth feeding device, a fourth rotating disc, a fourth rotating disc, a fourth, a, A suction nozzle, 152, a blanking lifting cylinder, 153, a blanking telescopic cylinder, 221, a feeding clamping plate, 222, a pneumatic finger, 223, a clamping plate telescopic cylinder, 224, a clamping plate lifting cylinder, 241, an upper needle point clamping plate, 2411, a needle point funnel groove, 242, a needle point clamping plate cylinder, 243, a needle point sucker, 244, a needle storage groove, 245, a needle point sucker turnover mechanism, 246, a needle point sucker lifting cylinder, 247, a needle point sucker telescopic cylinder, 331, a piston vibration disc, 332, a piston sleeve rod, 333, a sleeve rod lifting cylinder, 334, a sleeve rod transverse moving cylinder, 335, a piston sleeve, 336, a piston sleeve turnover mechanism, 337, a piston sleeve lifting cylinder, 361, a rubber cap guide plate, 3611, a rubber cap guide groove, 362, a rubber cap sleeve, 363, a rubber cap sleeve lifting cylinder, 364, a rubber cap sleeve telescopic cylinder, 431, a silicification box, 432, a silicification box lifting cylinder, 433, a silicification detection positioning needle, 434, a silicification box, And (3) plugging detection lifting cylinder 471, material ejecting rubber block 472, air blowing pipe 473, air blowing pipe lifting cylinder 474 and waste guide groove.
Detailed Description
In order to better illustrate the invention, the invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 2, the automatic assembly line for safety syringes according to the present invention comprises: the first mounting group comprises a first rotating disc 11, and a needle tube feeding device 12, a needle seat mounting device 13, a self-destructor mounting device 14 and a first conveying device 5 which are sequentially arranged along the circumferential direction of the first rotating disc 11;
the second mounting group 2 comprises a second turntable 21, and a first feeding device 22, a plasma heating device 23, a needle mounting device, a glue spraying device 25, a curing device 26 and a second conveying device 6 which are sequentially arranged along the circumferential direction of the second turntable 21; the first feeding device 22 is opposite to the discharging end of the first conveying device 5;
the third mounting group 3 comprises a third turntable 31, and a push rod feeding device 32, a piston mounting device 33, a spring mounting device 34, a core rod mounting device 35, a rubber cap mounting device 36 and a third conveying device 7 which are sequentially arranged along the circumferential direction of the third turntable 31;
the fourth installation group 4 comprises a fourth turntable 41, and a second feeding device 42, a silicification device 43, a glue cover installation device 44, an integral assembly device 45, a final inspection device 46, a waste product processing device 47 and a qualified product output device 48 which are sequentially arranged along the circumferential direction of the fourth turntable 41; the second feeding device 42 is over against the blanking end of the second arbitrary conveying device, and the integral assembling device 45 is over against the third conveying device 7;
the periphery of first carousel 11, second carousel 21, third carousel 31, fourth carousel 41 all is provided with multiunit location structure, location structure is used for fixing needle tubing or push rod, location structure rotates along with the carousel, passes through each loading attachment, installation device, conveyor in proper order.
The positioning structure on the first rotating disk 11 and the fourth rotating disk 41 is a positioning plate 53, a plurality of through holes are arranged on the positioning plate 53, the needle tube is inserted into the through holes, and the upper end part of the needle tube can not pass through the through holes. The positioning structure on the second grabbing turntable is a positioning column, and a needle tube with a downward opening is sleeved in the positioning column. The positioning structure on the third turntable 31 is a positioning clamp plate, which clamps the push rod.
In the needle tube loading device 12, the needle tubes are arranged on the needle tube material guiding plate, and the needle tubes are clamped by the needle tube clamping device to the positioning plate 53 on the first rotating disc 11.
As shown in fig. 3, the needle holder mounting device 13 includes a needle holder vibration plate 131, a needle holder vacuum feeder 132, a needle holder separating seat 133, a needle holder storage seat 134, a needle holder feeding baffle 135, a needle holder feeding motor 136, and a baffle motor 137;
the needle seat vacuum feeder 132 is communicated with the needle seat vibrating disc 131 and the needle seat separator;
the needle seat storage seat 134 is arranged below the needle seat separation seat 133, and a storage hole is formed in the needle seat storage seat 134;
the needle seat feeding baffle 135 is arranged below the needle seat storage seat 134 and above the needle tube of the needle seat to be installed;
the needle seat feeding motor 136 is connected with the needle seat separating seat 133, and the baffle motor 137 is connected with the needle seat feeding baffle 135.
The needle seat separating seat 133 is driven by the needle seat feeding motor 136 to drive the needle seat separating seat 133 to move above the needle seat storage needle seat at a certain speed, and the needle seat vacuum feeder 132 sends the needle seat to the needle seat separating seat 133 at a certain speed so that the needle seat falls into the storage hole of the needle seat storage seat 134 through the needle seat in the material distributing hole 1331 of the needle seat separating seat 133; due to the blocking of the baffle, the needle seat is left in the storage hole, when the needle tube to be provided with the needle seat reaches the position below the needle seat storage seat 134, the baffle motor 137 drives the baffle to move away, and the needle seat in the storage hole falls into the needle tube.
By adopting the needle seat separation seat 133 and the needle seat storage seat 134, a plurality of needle seats can be preset in the needle seat storage seat 134 before the needle tube arrives, and the needle tube can be arranged in place at one time, so that the working efficiency is greatly improved.
The structure and the working principle of the self-destructor mounting device 14, the push rod feeding device 32, the spring mounting device 34 and the core rod mounting device 35 of the invention are similar to those of the needle seat mounting device 13, and the detailed description is omitted here.
As shown in fig. 4, the first discharging device 15 includes a nozzle assembly, a discharging lifting cylinder 152 and a discharging telescopic cylinder 153 for driving the nozzle assembly; the suction nozzle assembly has a plurality of suction nozzles 151, and the suction nozzles 151 are used to grasp the needle tubes.
Wherein, suction nozzle 151 intercommunication intake pipe, when needing to snatch the needle tubing, suction nozzle 151 inserts the needle tubing, the intake pipe admits air, and the suction nozzle inflation, and then the suction nozzle with the needle tubing chucking in order to reach the effect of snatching the needle tubing.
The structure and the working principle of the needle tube clamping device are the same as those of the first blanking device 15.
As shown in fig. 5, the first conveying device 5 comprises an upper conveying belt 51, a lower conveying belt 52, a plurality of positioning plates 53, a positioning plate lifting device 54 and a turnover device 55; the positioning plate 53 is used for fixing the needle tube;
the positioning plate lifting device 54 is arranged at two ends of the first conveying device 5 and used for moving the positioning plate 53 between the belt conveying and lower conveying belts 52; as shown in fig. 6, the positioning plate lifting device 54 includes a carrying plate, a carrying plate lifting cylinder, a positioning plate 53 pushing cylinder, and a latch mounted on the carrying plate, the opening of the latch faces the inner side of the first conveying device 5, and the latch fixes the positioning plate 53;
the turnover device 55 is arranged at one end of the first conveying device 5 and comprises a suction nozzle assembly and a turnover motor for driving the suction nozzle assembly to turn over, a plurality of suction nozzles are mounted on the suction nozzle assembly, and the suction nozzles are used for grabbing needle tubes. The structure of the suction nozzle is the same as the suction nozzle 151 of the first discharging device in structure and principle, and is not described herein.
When the needle tubes are placed on the positioning plate 53 of the first conveying device 5 by the first blanking device 15, the loading plate lifting cylinder drives the loading plate to descend, the positioning plate 53 descends to the lower conveying belt 52, and the positioning plate 53 is pushed out by the positioning plate pushing cylinder to push the positioning plate 53 to the conveying belt. The positioning plate 53 is transported to the discharging end of the first conveying device 5, the loading plate at the discharging end is pushed towards the inner side of the first conveying device 5, the positioning plate 53 is clamped into the clamping piece, the loading plate lifting cylinder at the discharging end drives the loading plate to ascend, and the positioning plate 53 ascends to the upper conveying belt 51 along with the ascending. The turnover device 55 sucks the needle tube, turns the needle tube 180 degrees, and the first feeding device 22 clamps the turned needle tube. At the same time, the aligning plate 53 with the needle tubes unloaded is returned to the loading end of the first conveyor 5 along with the upper conveyor belt 51, and the above-described process is repeated.
By adopting the first conveying device 5, the needle tubes can be conveyed in batches, and the positioning plates 53 arranged on the needle tubes can be automatically conveyed back and forth without manual assistance, so that the automation degree is high. The turnover device 55 can turn over the needle tube by 180 degrees, thereby facilitating the subsequent processes of needle tip installation and the like.
As shown in fig. 7, the first feeding device 22 includes a feeding clamping plate 221, a pneumatic finger 222, a clamping plate stretching cylinder 223, and a clamping plate lifting cylinder 224; the pneumatic finger 222 is used for controlling the opening and closing of the feeding clamping plate 221; the clamping plate telescopic cylinder 223 is used for driving the feeding clamping plate 221 to stretch along the axial direction of the second rotary table 21; the clamping plate lifting cylinder 224 is used for driving the feeding clamping plate 221 to lift.
After the feeding clamping plate 221 reaches a position corresponding to the feeding end of the first conveying device 5 under the driving of the clamping plate telescopic cylinder 223 and the clamping plate lifting cylinder 224, the pneumatic finger 222 controls the feeding clamping plate 221 to be opened, after the needle tube is placed between the clamping plates, the pneumatic finger 222 controls the feeding clamping plate 221 to clamp the needle tube, and then the needle tube is moved to the positioning mechanism on the second rotary table 21 by the clamping plate telescopic cylinder 223 and the clamping plate lifting cylinder 224.
The clamping position of the feeding clamping plate 221 is provided with a wave-shaped groove, and the groove is convenient for placing a needle tube. The needle tubes are transferred by using the first feeding device 22, so that stable batch transfer of the needle tubes with downward openings is realized, and the needle tubes are stable and reliable and have high working efficiency.
The heating device 23 comprises a plasma heating gun which moves transversely under the driving of a heating gun motor to heat the needle bases on the positioning mechanism one by one, so that the needle bases can be conveniently inserted into the needle bases.
As shown in fig. 8, an upper needle tip clamping plate 241 connected to a needle tip clamping plate cylinder 242, the upper needle tip clamping plate 241 being disposed above the fixing structure of the second turntable 21; a plurality of needle point funnel grooves 2411 are formed in the upper needle point clamping plate 241, the openings of the needle point funnel grooves 2411 are upward, and the lower ends of the needle point funnel grooves 2411 are opposite to a needle cylinder with a needle point to be installed;
a needle tip suction cup assembly having a plurality of needle tip suction cups 243; the needle point sucker overturning mechanism 245 is connected with the needle point sucker 243 overturning cylinder and is driven by the needle point sucker 243 overturning cylinder to overturn the needle point sucker 243 mounting rod so as to overturn the needle point sucker 243 by 90 degrees;
the needle point sucker lifting cylinder 246 is connected with the needle point sucker turnover mechanism 245 and the needle point sucker 243 turnover cylinder;
and the needle point sucker telescopic cylinder 247 is connected with the needle point sucker turnover mechanism 245 and used for pushing the needle point sucker 243 to install the rod so that the needle point sucker 243 reaches the position right above the needle point funnel.
When the needle point mounting device 24 works, the needle tube is clamped by the upper needle point clamping plate, the needle point is horizontally placed on the needle storage groove 244 by a manual or mechanical hand, and the needle point suction disc 243 sucks the needle point and turns over 90 degrees to enable the needle point to be vertical. The needlepoint sucker 243 is moved to the upper part of the needle tube by the needlepoint sucker lifting cylinder 246 and the needlepoint sucker telescopic cylinder 247, and finally the needlepoint sucker 243 is driven to descend by the needlepoint sucker lifting cylinder 246 so as to insert the needlepoint into the needle seat.
By adopting the needle point mounting device 24, the needle points can be fixed on the needle base in batches, the manual operation difficulty is reduced, and the product quality is improved.
The glue spraying device 25 comprises a peristaltic pump, and the peristaltic pump can spray UV glue to the connecting position of the needle seat and the needle point.
The curing device 26 comprises a curing grabbing device, a UV curing box and a curing conveying device, the curing conveying device is located in the curing box, the curing grabbing device is used for grabbing the needle tubes on the second rotary table 21 to the curing conveying device, the needle tubes are placed back to the second rotary table 21 by the curing grabbing device after curing is completed in the UV curing box along with the curing conveying device, the structure and the principle of the curing conveying device are substantially the same as those of the first conveying device 5, and details are omitted here.
By arranging the glue spraying device 25 and the curing device 26, the needle tubes with the needle points can be automatically sprayed and cured, so that the glue spraying amount on each needle tube is the same, and the product standardization degree is high.
The second blanking device 27 and the first loading device 22 have substantially the same structure and principle, and are not described herein again. The structure and principle of the second conveying device 6 are substantially the same as those of the first conveying device 5, and the main difference is that the turnover device 55 of the second conveying device 6 is arranged at the feeding end of the second conveying device 6, so that the needle tubes are still transported by the fixing plates on the second conveying device 6, and the fixing plates are more stable and reliable than the fixing columns in long-distance needle tube transportation.
As shown in fig. 9, the piston mounting device 33 includes: a piston vibrating disk 331 having a piston transfer conduit;
a piston rod assembly having a plurality of piston rods 332 connected thereto, the rod mounting rods being located directly below the piston delivery conduit;
a rod lifting cylinder 333 connected to the piston rod assembly;
a loop bar transverse moving cylinder 334 connected to the loop bar lifting cylinder 333, for driving the loop bar lifting cylinder 333 and the piston loop bar assembly to move transversely so that the piston loop bars 332 are aligned with the piston conveying pipeline one by one;
a piston sleeve assembly having a plurality of piston sleeves 335, the piston sleeves 335 for adsorbing pistons;
a piston-sleeve overturning mechanism 336 connected with the piston-sleeve assembly and used for overturning the piston-sleeve assembly under the driving of the piston-sleeve overturning mechanism 336;
and a piston sleeve lifting cylinder 337 connected to the piston sleeve assembly for pushing the piston sleeve assembly to connect the piston on the sleeve to the lower end of the push rod.
When the piston mounting device 33 is operated, the piston is arranged on the piston conveying pipeline under the driving of the piston vibrating disc 331. The loop bar lifting cylinder 333 adjusts the height of the loop bar to make the loop bar lower than the piston conveying pipeline, and the piston loop bar assembly moves transversely under the driving of the loop bar transverse cylinder 334 to make the pistons sleeve on the piston loop bars 332 one by one. After the piston sleeve 335 adsorbs the piston, the piston sleeve assembly is turned 180 degrees under the driving of the piston sleeve turning mechanism 336, so that the piston is turned to the lower side of the push rod, and finally, the piston sleeve lifting cylinder 337 pushes the sleeve mounting rod to ascend, so that the piston is clamped with the push rod.
The piston sleeve overturning mechanism 336 comprises a gear and a rack, the rack is connected with the cylinder, and the drive gear rotates to drive the sleeve mounting rod connected with the gear to overturn.
The piston mounting device 33 skillfully adopts the piston sleeve turnover mechanism 336 to turn over the sleeve mounting rod, so as to realize continuous operation of piston grabbing and mounting.
The third blanking device 37 mainly comprises a sleeve assembly, a sleeve telescopic cylinder for driving the sleeve assembly to move axially along the third turntable 31, and a sleeve lifting cylinder for driving the sleeve assembly to lift.
The third conveying device 7 has substantially the same structure as the first and second conveying devices 6, and the main difference is that the third conveying device 7 adopts a sleeve pipe assembly to transport the push rod, and the sleeve pipe assembly in the third conveying device 7 and the rubber cap sleeve 362 assembly in the rubber cap mounting device 36 have the same structure and principle, and are not repeated here.
The second feeding device 42 has a similar structure and principle to the first discharging device 15, and is not described in detail herein. The structure and the principle of the integral assembling device 45 are similar to those of the first feeding device 22, and the main difference is that the feeding clamping plate 221 of the integral assembling device 45 is further connected with a rotating mechanism which drives the feeding clamping plate 221 to rotate on the horizontal plane, so that the placing position of the third conveying device 7 can be adjusted, and the position of the production line for automatically assembling the safety syringes is adjusted conveniently according to the position of a factory building.
As shown in fig. 10, the silicidation device 43 includes a silicidation tank 431, a silicidation tank elevation cylinder 432 for driving the silicidation tank 431 to ascend and descend, a silicidation detection positioning pin 433 assembly, and a blockage detection elevation cylinder 434 for driving the silicidation detection positioning pin 433 assembly to ascend and descend. The silicidation detection stylus 433 assembly includes a plurality of detection styli 103. When the tip assembly reaches the silicidation station, the silicidation tank lifting cylinder 432 drives the silicidation tank 431 to move upwards to perform silicidation on the tip assembly. After the silicification is finished, the blocking detection cylinder drives the silicification detection positioning needle 433 assembly to descend, whether the needle tube is blocked or not is detected, and if the needle tube is blocked, the needle tube is opened.
As shown in fig. 11, the rubber cap mounting device 36 includes: the rubber cap material guide plate 361 is provided with a plurality of rubber cap material guide grooves 3611, and rubber caps are sequentially arranged in the rubber cap material guide grooves 3611;
a glue cap bushing 362 assembly including a plurality of glue cap bushings 362, the glue cap bushings 362 for suctioning a glue cap;
a rubber cap sleeve lifting cylinder 363 connected with the rubber cap sleeve 362 component;
and the rubber cap sleeve telescopic cylinder 364 is connected with the rubber cap sleeve lifting cylinder 363 and the rubber cap sleeve 362 assembly and is used for driving the rubber cap sleeve 362 assembly to move along the axial direction of the third rotating disc 31.
When the rubber cap installation device 36 works, the rubber cap sleeve 362 assembly moves to the upper side of the rubber cap material guide plate 361 through the rubber cap sleeve lifting cylinder 363 and the rubber cap sleeve telescopic cylinder 364 to suck the rubber cap, and then moves to the upper side of the push rod, and the rubber cap sleeve lifting cylinder 363 drives the rubber cap sleeve 362 assembly to descend, so that the rubber cap is installed in the push rod.
As shown in fig. 12, the final inspection device 46 includes an inspection camera 81 and an inspection motor 82, and the inspection motor 82 drives the inspection camera 81 to approach the safety syringe for inspection. The detection camera 81 is electrically connected with a control system of the automatic safety syringe assembly production line, and feeds back a detection result to the control system, and the control system controls the waste treatment device 47 to work according to the detection result to remove waste.
In order to further improve the product quality, the assembly production line further comprises a plurality of process detection devices 8; the process detection device 8 is arranged on the periphery of one or more of the first turntable 11, the second turntable 21, the third turntable 31 and the fourth turntable 41; for example, the process detection device 8 is arranged between the first blanking devices 15 of the self-destructor mounting device 14 and is used for detecting whether the self-destructor is mounted in place; the process detection device 8 is arranged between the core bar mounting device 35 and the rubber cap mounting device 36 and is used for detecting whether the core bar is mounted in place or not. The process detection device 8 comprises a detection camera 81 and a detection motor 82, wherein the detection camera 81 is connected with the output end of the detection motor 82. The detection camera 81 is electrically connected with a control system of the automatic safety syringe assembly production line, and feeds back a detection result to the control system, and the control system controls the waste treatment device 47 to work according to the detection result to remove waste.
As shown in fig. 13, the waste output device includes a topping rubber block 471, a topping cylinder, an air blow pipe 472, an air blow pipe lifting cylinder 473, and a waste guide groove 474;
the ejection rubber block 471 is arranged below the positioning structure of the fourth rotating disc 41 and used for ejecting waste products to be removed, and the ejection cylinder is used for driving the ejection rubber block 471 to move up and down;
the blowing pipe 472 is arranged above the positioning structure of the fourth rotating disc 41 and is used for blowing air to the waste ejected by the ejection cylinder;
the waste guide 474 is disposed outside the fourth turntable 41 and receives waste blown out by the blowpipe 472.
The qualified product output device 48 includes a pickup device, which has a similar structure and principle to those of the first feeding device 22, and is not described herein again.
As shown in fig. 14, the assembly line further includes a plurality of aligning devices 9; the material aligning device 9 comprises a material aligning push plate 91 and a material aligning push plate cylinder 92, and the material aligning push plate 91 is used for contacting or being far away from a push rod or a needle tube under the driving of the material aligning push plate cylinder 92. The material aligning device 9 can be installed between the needle seat installation device 13 and the self-destructor installation device 14, the material aligning push plate cylinder 92 pushes the material aligning push plate 91 along the horizontal direction, the material aligning push plate 91 repeatedly touches the needle tube to enable the needle seat in the needle tube to be installed in place, and at the moment, the vibrating tube cylinder can be used as the material aligning push plate cylinder 92. The aligning device 9 can also be installed between the integral assembling device 45 and the final inspection device 46, the aligning push plate cylinder 92 pushes the aligning push plate 91 along the vertical direction, and the aligning push plate 91 touches the needle tube core rod assembly for compressing the core rod assembly. The material aligning device 9 can be installed beside the piston installation device 33, the material aligning push plate cylinder 92 pushes the material aligning push plate 91 along the vertical direction, and the material aligning push plate 91 touches the push rod, so that the push rod is pressed against the piston.
As shown in fig. 15, the assembly line further includes a plurality of pressing devices 10; the pressing device 10 comprises a pressing push plate 101 and a push plate lifting cylinder 102 connected above the pressing push plate 101, wherein a plurality of positioning needles 103 are connected below the pressing push plate 101, and the positioning needles 103 are used for inserting needle tubes. The pressing device 10 can be installed at the next station of the self-destructor installing device 14, and the positioning needle 103 is inserted into the vibrating tube to push the self-destructor to install the self-destructor in place. The pressing device 10 can be installed at the next station of the core rod installation device 35, and the positioning pin 103 is inserted into the push rod to push the core rod so as to install the self-destructor in place.
The operating principle of the injector assembly production line of the invention is as follows:
1. the first installation group works:
(1) the needle tubes are arranged on the guide rail plate under the action of the needle tube conveying belt and the needle tube vibration disc, and the needle tubes are grabbed to the positioning plate 53 on the first rotary disc 11 by the needle tube grabbing device which is right opposite to the needle tube feeding device 12;
(2) the first rotating disc 11 rotates, the needle tube flows to the needle seat mounting device 13 and the front of the material aligning device 9, the needle seat is installed in the needle tube and is adjusted to the correct position under the action of the material aligning device 9;
(3) the first rotating disc 11 rotates, the needle tube flows to the self-destructor mounting device 14 and the front of the pressing device 10, the self-destructor is arranged in the needle tube, and the self-destructor positioning needle 103 of the pressing device 10 is inserted into the needle tube to press the self-destructor;
(4) the first rotary disc 11 rotates, the needle tubes are transferred to the front of the process detection device 8 and the first conveying device 5, and the needle tubes are conveyed to the second mounting group 2 by the first conveying device 5 after being sequentially detected.
2. The second installation group 2 works:
(1) the needle tubes are turned over to be downward in opening by the turning device 55 of the first conveying device 5, and are clamped by the first feeding device 22 and sleeved on the positioning columns of the second turntable 21;
(2) the second turntable 21 rotates, the needle tube sequentially flows to the front of the heating device 23 and the needle point mounting device 24, and after the needle seat is heated by the heating device 23, the needle point mounting device 24 inserts the needle point into the needle seat;
(3) the second turntable 21 rotates, the needle tubes sequentially flow to the glue spraying device 25 and the front of the drying device, the glue spraying device 25 flows the UV glue to the front of the drying device after the UV glue is positioned at the position where the needle tips are connected with the needle tubes, the UV glue is clamped into the drying device by the drying clamping device of the drying device to be dried, the dried needle tubes are clamped back to the second turntable 21, and the needle tubes form needle tip assemblies;
(4) the second turntable 21 rotates, the needle tip assembly is transferred to the front of the process detection device 8 and the second conveying device 6, and the needle tubes are sequentially turned over by the second conveying device 6 after being detected to be upward in opening and conveyed to the fourth mounting group 4.
3. The third installation group 3 works:
(1) the push rod feeding device 32 conveys the push rods to the positioning clamping plates of the third turntable 31;
(2) the third rotary table 31 rotates, the push rod sequentially flows to the piston mounting device 33, the spring mounting device 34, the core bar mounting assembly and the process detection device 8, the piston is mounted at the lower end of the push rod, the spring and the core bar are mounted in the push rod, and the process detection device 8 checks whether the spring and the core bar are mounted in place;
(3) the third rotary table 31 rotates, the push rod flows to the front of the rubber cap mounting device 36, the rubber cap is installed in the push rod, and the push rod forms a core rod assembly;
(4) the third rotary table 31 rotates, and the core bar assembly flows to the front of the third conveying device 7 and is conveyed to the fourth installation group 4 by the third conveying device 7.
4. The fourth installation group 4 works:
(1) the second loading device 42 picks up the needle tip assembly and inserts the needle tip assembly on the positioning plate 53 of the fourth rotating disc 41;
(2) the fourth turntable 41 rotates, the needle tip assembly sequentially flows to the front of a silicification device 43 and a rubber cover installation device 44, the silicification device 43 conducts silicification and plugging on the needle tip assembly, and the rubber cover is installed at the tail end of the needle tip assembly;
(3) the fourth turntable 41 rotates, the third feeding device clamps the core bar assembly and loads the core bar assembly into the needle tube of the needle point assembly, and the whole safety syringe is assembled to form the safety syringe;
(4) the fourth turntable 41 rotates, the safety syringes sequentially flow to the front of the final inspection device 46, the waste product processing device 47 and the qualified product output device 48, whether the core bar assembly is installed in place is detected, the safety syringes which are unqualified in the process inspection or the final inspection are removed from the waste product processing device 47, the qualified safety syringes finally flow to the front of the qualified product output device 48, and the qualified safety syringes are clamped by the clamping device and leave the automatic assembly production line of the safety syringes.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.