CN113275879A

CN113275879A - Automatic drip tube assembling machine

Info

Publication number: CN113275879A
Application number: CN202110601542.4A
Authority: CN
Inventors: 李鑫辉; 尹啟华; 李成宗
Original assignee: Guangzhou Jinhu Automation Equipment Co ltd
Current assignee: Guangzhou Jinhu Automation Equipment Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-08-20

Abstract

The invention discloses an automatic burette assembling machine which is provided with a feeding mechanism, an auxiliary mechanism and a discharging mechanism along an operating platform, wherein the feeding mechanism comprises a cover conveying belt, a rubber head conveying device, a glass tube conveying chain and a mechanical arm device, and the auxiliary mechanism comprises a gland device, a rubber head pressing device and a rubber head pulling device; the cover conveying belt conveys the cover to the edge of the workbench, the mechanical hand device clamps the cover to the positioning jig of the turntable, the cover pressing device fixes the cover to the positioning jig, the glue head conveying device conveys the glue head to the edge of the workbench, the mechanical hand assembly puts the glue head into the cover of the positioning jig, the glue pressing head device pushes the glue head into the cover, the glue drawing head device further fixes the glue head into the cover, the glass tube conveying chain conveys the glass tube to the edge of the workbench, the mechanical hand device fixes the glass tube to the cover of the positioning jig and a glue head assembly, and the assembled dropper enters the discharging mechanism to be discharged.

Description

Automatic drip tube assembling machine

Technical Field

The invention belongs to the field of nonstandard automatic mechanical equipment, and particularly relates to an automatic dropper assembling machine.

Background

Essence bottle in the skin care products adopts the bottle of dripping mostly, and wherein the buret lid is including 3 parts, including gluing head, lid and glass pipe, it is fixed that glue head, lid and glass pipe and assemble through the buckle structure, and the extrusion is glued the head and is produced suction, bears liquid through the glass pipe, presses again to glue the head and produces thrust, and the liquid is emitted to the glass pipe, and the lid closes the bottleneck.

The existing drip tube cover is produced independently, needs to be assembled manually by workers, consumes a large amount of labor and has low production efficiency.

Disclosure of Invention

In order to solve the problems, the invention provides an automatic dropper assembling machine.

The technical scheme of the invention is as follows:

an automatic burette assembling machine comprises an operation platform, a rotary table arranged on the operation platform and a positioning jig on the rotary table, wherein a feeding mechanism, an auxiliary mechanism and a discharging mechanism are arranged along the operation platform, the feeding mechanism comprises a cover conveying belt, a rubber head conveying device, a glass pipe conveying chain and a mechanical hand device, and the auxiliary mechanism comprises a gland device, a rubber head pressing device and a rubber head pulling device; the cover conveying belt conveys the cover to the edge of the workbench, the mechanical hand device clamps the cover to the positioning jig of the turntable, the cover pressing device fixes the cover to the positioning jig, the glue head conveying device conveys the glue head to the edge of the workbench, the mechanical hand assembly puts the glue head into the cover of the positioning jig, the glue pressing head device pushes the glue head into the cover, the glue drawing head device further fixes the glue head into the cover, the glass tube conveying chain conveys the glass tube to the edge of the workbench, the mechanical hand device fixes the glass tube to the cover of the positioning jig and a glue head assembly, and the assembled dropper enters the discharging mechanism to be discharged.

Further, glue first transmission device including feed bin, vibration dish, push away material spare, silo and branch material spare, glue the head and put in the feed bin, glue the head and pass through the feed bin and get into the vibration dish, the vibration dish will glue the head and arrange the entering in order push away on the material spare, push away the material spare and will glue the head and singly send into in the silo, deliver to through the silo on the branch material spare, divide the material spare to put and glue the head, standby manipulator device clamp to get.

Further, the glue head pulling device comprises a pressing plate, a clamp cylinder, a large cylinder and a small cylinder, the pressing plate is arranged above the positioning jig, the clamp is arranged below the positioning jig, the pressing plate, the clamp and the clamp cylinder are driven by the large cylinder and the small cylinder to move longitudinally, the pressing plate is blocked, the glue head is popped out, and the glue head in the positioning jig is clamped on the cover by loosening and clamping the clamp cylinder to replace the clamp.

Furthermore, the rubber head pressing device comprises a column and a column cylinder, wherein the column is arranged above the positioning jig, and the column cylinder drives the column to move longitudinally so as to push the rubber head in the positioning jig into the cover.

Further, the discharging mechanism comprises a finished product discharging device and a defective product discharging device, the defective product discharging device is arranged on the side edge of the finished product discharging device, the finished product discharging device comprises a finished product manipulator and a finished product conveying belt, a dropper is clamped on the finished product conveying belt through the finished product manipulator, the defective product discharging device comprises a defective product manipulator and a sliding groove, and a defective product is clamped on the sliding groove through the defective product manipulator.

Further, the manipulator subassembly is including lid manipulator, gluey first mechanical pole and glass pipe manipulator, lid conveyer belt side is located to the lid manipulator, it locates branch material spare side to glue first mechanical pole, glass pipe conveyer chain side is located to the glass pipe manipulator, is used for taking out the lid respectively, glues head and glass pipe.

Further, be equipped with the telescoping device in the middle of lid manipulator and the lid conveyer belt, the telescoping device runs through the platform including telescopic cylinder, telescopic link and platform, telescopic cylinder drive telescopic link, and the platform transversely opens and draws in to snatch the lid and arrive the lid conveyer belt through the platform transition on the positioning jig.

Further, a plurality of lanes are provided on the lid conveyor, each lane defining a column of lid transports.

Furthermore, a plurality of glass tube jigs are arranged on the glass tube conveying chain, electric eye detection supports are arranged on the side edges of the glass tube conveying chain, and the electric eye detection supports are used for detecting whether the glass tubes are arranged on the glass tube jigs or not.

Furthermore, the side of the glass tube conveying chain is also provided with an embracing and clamping cylinder, and the glass tube on the positioning jig is clamped through the embracing and clamping cylinder, so that the glass tube manipulator can fix the glass tube on the cover and the rubber head assembly conveniently.

The automatic dropper assembling machine has the beneficial effects that mechanical equipment for automatically assembling droppers is designed according to production requirements, a feeding mechanism, an auxiliary mechanism and a discharging mechanism are arranged on an operation table provided with a positioning jig, workers only need to be responsible for placing a glass tube, a cover and a rubber head on a glass tube conveying chain, a cover conveying belt and pouring the glass tube, the cover and the rubber head into a bin, the automatic dropper assembling machine firstly places the cover into the positioning jig along with the rotation of a turntable, then places and fixes the rubber head into the cover, then assembles the glass tube, and finally screens finished products and defective products; the problem that the soft rubber heads are transported to the workbench one by one and are combined with the cover is solved.

Drawings

FIG. 1 is an overall view of a drop tube of the present invention;

FIG. 2 is an exploded view of the drop tube of the present invention;

FIG. 3 is an enlarged view of the dropper of the present invention in an assembled state;

FIG. 4 is a schematic top view of an automatic assembling machine for dropper according to the present invention;

FIG. 5 is a schematic perspective view of an automatic dropper assembly machine according to the present invention;

FIG. 6 is an enlarged schematic structural diagram of a cap driving belt, a cap manipulator and a cap pressing device of the automatic dropper assembling machine according to the present invention;

FIG. 7 is an enlarged schematic structural view of a cap driving belt and a retractor of an automatic dropper assembling machine according to the present invention;

FIG. 8 is an enlarged schematic structural view of a capping device of an automatic dropper assembling machine according to the present invention;

FIG. 9 is an enlarged schematic structural view of a rubber head conveying device of an automatic dropper assembling machine according to the present invention;

FIG. 10 is an enlarged schematic view of a pusher of the automatic pipette assembling machine according to the present invention;

FIG. 11 is a schematic view of a dynamic structure of a pusher of the automatic pipette assembling machine according to the present invention;

FIG. 12 is a schematic view of the dynamic structure of the dispensing member of the automatic dropper assembling machine according to the present invention;

FIG. 13 is a first schematic view of an enlarged structure of a rubber head mechanical lever of the automatic dropper assembling machine according to the present invention;

FIG. 14 is a second schematic view of an enlarged structure of a rubber head mechanical lever of the automatic dropper assembling machine according to the present invention;

FIG. 15 is an enlarged schematic structural view of a dispensing head device of an automatic dropper assembling machine according to the present invention;

FIG. 16 is an enlarged schematic structural view of a glue head pulling device of the automatic dropper assembling machine according to the present invention;

FIG. 17 is an enlarged schematic structural view of a glass tube transfer chain and a glass tube manipulator of the automatic dropper assembling machine according to the present invention;

FIG. 18 is an enlarged schematic structural view of a product discharge device of an automatic dropper assembling machine according to the present invention;

FIG. 19 is an enlarged schematic view of a defective discharge device of the automatic dropper assembling machine according to the present invention.

In the figure, S1 is a cover, S2 is a rubber head, S3 is a glass tube, a is a position where the cover is combined with the rubber head, B is a position where the glass tube is combined with the cover and the rubber head, C is a position where a blowpipe is connected with an air pipe, 1 is a workbench, 11 is a turntable, 12 is a positioning jig, 121 is a slot, 21 is a cover conveyor belt, 211 is a support foot stand, 212 is a conveyor belt, 22 is a telescopic device, 221 is a telescopic cylinder, 222 is a telescopic rod, 223 is a platform, 23 is a cover manipulator, 24 is a capping device, 241 is a capping cylinder, 242 is a parallel plate, 243 is a baffle, 31 is a bin, 311 is a feed inlet, 312 is a discharge outlet, 313 is a straight vibrator, 32 is a vibrating plate, 321 is a sensor, 322 is an outlet, 33 is a material pushing member, 331 is a foot seat, 332 is an ejector rod, 333 is an ejector rod, 334 is a blowpipe cylinder, 335 is a blowpipe, 34 is a trough, 35 is a material separating member, 351 is a base, 352 a slide rail, 353 is a rubber head containing jig, 354 is a moving cylinder, 36 is a rubber head mechanical rod, 361 is a transverse sliding rail, 362 is a longitudinal sliding rail, 363 is a mechanical rod cylinder, 3631 is a material taking cylinder, 3632 is a material removing cylinder, 364 is a material taking rod, 37 is a rubber head pressing device, 371 is a column, 372 is a column cylinder, 38 is a rubber head pulling device, 381 is a pressing plate, 382 is a clamp, 383 is a clamp cylinder, 384 is a large cylinder, 385 is a small cylinder, 41 is a glass tube manipulator, 42 is a glass tube conveying chain, 421 is a glass tube jig, 43 is an electric eye detection bracket, 44 is a clamping cylinder, 5 is a finished product discharging device, 51 is a finished product manipulator, 52 is a finished product conveying belt, 6 is a defective product discharging device, 61 is a defective product manipulator, 62 is a sliding chute, 7 is a residual material detection device, and 8 is a channel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

Referring to fig. 1-3, there are shown an overall view, an exploded view and an enlarged view of an assembled state of the dropper of the present invention, wherein the dropper includes a cover S1, a rubber head S2 and a glass tube S3, a slot is provided on the cover S1 at a position marked with a reference numeral a, and the bottom end of the rubber head S2 is clamped in the slot; at the point B, the diameter of the top end of the glass tube S3 is larger than that of the tail end, and the end with the larger diameter is used as a snap structure to be buckled with the assembly of the cover S1 and the rubber head S2.

Referring to fig. 4-5, the automatic burette assembling machine of the present invention comprises an operation platform 1, a turntable 11 disposed thereon, and a positioning fixture 12 disposed on the turntable 11, wherein a feeding mechanism, an auxiliary mechanism, and a discharging mechanism are disposed along the operation platform 1;

the feeding mechanism comprises a cover conveying belt 21, a rubber head conveying device, a glass tube conveying chain 42 and a manipulator device, and the auxiliary mechanism comprises a gland device 24, a rubber head pressing device 37 and a rubber head pulling device 38;

the manipulator device comprises a cover manipulator 23, a rubber head mechanical rod 36 and a glass tube manipulator 41, wherein the cover manipulator 23 is arranged on the side edge of the cover conveyor belt 21, the rubber head mechanical rod 36 is arranged on the side edge of the distributing part 35, and the glass tube manipulator 41 is arranged on the side edge of the glass tube conveyor chain 42 and is used for clamping a cover S1, a rubber head S2 and a glass tube S3 respectively;

the discharging mechanism comprises a finished product discharging device 5 and a defective product discharging device 6, and the defective product discharging device 6 is arranged on the side edge of the finished product discharging device 5;

the cover conveyor belt 21 conveys the cover S1 to the edge of the workbench 1, the manipulator device clamps the cover S1 to the positioning jig 12 of the turntable 11, the capping device 24 fixes the cover S1 to the positioning jig 12, the glue head conveyor device conveys the glue head S2 to the edge of the workbench 1, the manipulator assembly places the glue head S2 in the cover S1 of the positioning jig 12, the glue head pressing device 37 pushes the glue head S2 into the cover S1, the glue head pulling device 38 further fixes the glue head S2 in the cover S1, the glass tube conveyor chain 42 conveys the glass tube S3 to the edge of the workbench 1, the manipulator device fixes the glass tube S3 to the cover and glue head assembly of the positioning jig 12, the assembled dropper S3 enters the discharge mechanism to be discharged, a finished product enters the finished product discharge device 5, and a defective product enters the defective product discharge device 6.

Specifically, referring to fig. 6 to 7, the cover conveyor 21 includes a supporting foot frame 211, a conveyor belt 212, and a motor, one end of the conveyor belt 212 is disposed on the work table 1, the other end is supported by the supporting foot frame 211, the motor drives the conveyor belt 212 to rotate, there are 4 lanes 8 on the conveyor belt 212, each lane 8 defining a column of lids S1 for transport, most of the prior art belts are not tunneled, the products are placed directly on the conveyor belt 212, when it comes to the dropper assembly, which requires the assembly of the individual products, it is not sufficient to solve the problem of the caps being transported to the station 1, the robot device cannot precisely take the caps S2 on the conveyor 212 full of caps S1, therefore, the cover conveyor belt 21 is provided with 4 channels 8, the number of the channels is matched with that of the groove positions 121 of the positioning jig 12, and if the number of the groove positions in the positioning jig 12 is 6, the number of the channels is correspondingly increased to 6.

The cover S1 is designed to be transported to the working platform 1 in a row of 4 rows, and there is a problem that the distance between the manipulators can be designed according to the distance between the slots 121 on the positioning jig 12, but the manipulator needs to match the distance of the arrangement of the covers on the channel 8 of the conveyor belt 212; meanwhile, it is necessary to ensure that the robot arm accurately grips the cover S1 onto the positioning jig 12.

Therefore, the telescopic device 22 is arranged between the cover manipulator 23 and the cover conveyor belt 21, the telescopic device 22 comprises a telescopic cylinder 221, a telescopic rod 222 and a platform 223, the telescopic rod 222 penetrates through the platform 223, the telescopic rod 222 is driven by the telescopic cylinder 221, the platform 223 is transversely opened and closed, so that the cover S1 is grabbed, the cover conveyor belt 21 is transited to the positioning jig 12 through the platform 223, in the figure, it can be seen that the width of the conveyor belt is not consistent with the width of the positioning jig 12, so that after the cover is clamped from the cover conveyor belt 21, the cover needs to be placed on the telescopic device 22, and the telescopic device 22 has 2 functions: firstly, positioning, namely, the position of the platform 223 corresponds to the position of the slot position 121 of the positioning jig 12; secondly, it is ensured that the cover S1 can be accurately gripped into the positioning jig 12.

Referring to fig. 8, the cover manipulator 23 clamps the cover S1 to the positioning fixture 12, and can precisely fall down, but cannot ensure that all the covers can be stably located in the slots of the positioning fixture, so a capping device 24 needs to be added, the capping device 24 includes a capping cylinder 241, a parallel plate 242, and a blocking piece 243, the parallel plate 242 is located below the capping cylinder 241, the blocking piece 243 is located at the side of the parallel plate 242, and before the positioning fixture 12 is blocked, the capping cylinder 241 drives the parallel plate 242 and the blocking piece 243 to move longitudinally, so as to press the cover S1 into the positioning fixture 12.

After the lid got into positioning jig, need transport the head of gluing to in the lid. The glue head is soft, so that the glue head is inconvenient to transport orderly; meanwhile, how to transport the rubber head into the cover is the most difficult problem to be solved in the equipment.

Referring to fig. 9, the glue head conveying device adopts a stock bin 31, a vibration tray 32, a material pushing member 33, a material slot 34 and a material distributing member 35, a glue head S2 is placed in the stock bin 31, the glue head S2 enters the vibration tray 32 through the stock bin 31, the vibration tray 32 arranges the glue heads orderly and enters the material pushing member 33, the material pushing member 33 sends the glue heads into the material slot 34 singly and sends the glue heads to the material distributing member 35 through the material slot 34, and the material distributing member 35 places the glue heads and is clamped by a manipulator device.

Feed bin 31 is including feed inlet 311, discharge gate 312 and straight vibrator 313, the top of feed bin 31 is located to feed inlet 311, feed bin 31 lateral part is located to discharge gate 312, straight vibrator 313 locates the junction of feed inlet 311 and discharge gate 312, glues the head and pours feed bin 31 into from feed inlet 311, and feed bin 31 is one and holds the bucket, straight vibrator 313 produces the exciting force and makes and glue head S2 and take place the vibration to the head is glued in the vibration and flows out from discharge gate 312.

The vibrating disk consists of a hopper and a base plate, and in the figure, the hopper adopted by the vibrating disk is a cylindrical hopper, and the vibrating disk works according to the working principle that: the chassis is provided with a pulse electromagnet which can make the hopper vibrate in the vertical direction, and the inclined spring piece drives the hopper to do torsional vibration around the vertical axis of the hopper; the rubber head in the hopper rises along the spiral track due to the vibration; during the lifting process, the rubber head can automatically enter an assembling or processing position in a uniform state according to the assembling or processing requirement through the screening or posture change of a series of tracks; the working purpose is to automatically, orderly, directionally and neatly arrange the unordered glue heads and accurately convey the unordered glue heads to the next procedure through vibration.

Further, a sensor 321 is arranged in the vibration disc 32, and whether the rubber head exists in the vibration disc 32 is sensed through the sensor 321.

Referring to fig. 10-11, the position of the rubber head in the figure is a notch, the rubber head falls into the notch through the vibrating disk, a material pushing part 33 is arranged at the outlet 322 of the vibrating disk 32, the material pushing part 33 comprises a foot base 331, a push rod 332, a push rod air cylinder 333, a blow pipe air cylinder 334 and a blow pipe 335, the push rod 332 is arranged on the foot base 331, the push rod 332 penetrates into the rubber head S2, the head part of the push rod is in contact with the bottom surface of the rubber head, and when the push rod is upward, the rubber head is jacked; the push rod cylinder 333 drives the push rod 332 to move longitudinally, the blow pipe cylinder 334 is arranged on the opposite side of the push rod cylinder 333, the blow pipe cylinder 334 drives the blow pipe 335 to move longitudinally, and in the figure, an air connecting pipe is arranged below the position C, air is introduced into the blow pipe 335, and flows from the material groove 34 to the material distributing member 35. Blow pipe principle: the blowpipe 335 and the ejector rod 332 are synchronously upward to ensure that the rubber head is not sunk; a hole is drilled in the blow pipe 335, and the rubber head S2 is blown to the deeper part of the material groove 34 through positive pressure; the working sequence of the pushing piece is as follows: (1) firstly pushing the mandril upwards (2), then pushing the blow pipe upwards (3) and finally blowing.

As can be seen from fig. 9, the trough 34 is divided into 2 channels, the number of the channels is the same as that of the push rods 332, the trough 34 includes an inlet and an outlet, the inlet is disposed above the pushing member 33, the outlet is disposed above the distributing member 35, the trough 34 is U-shaped, and the blow pipe 335 connects the glue heads S2 to the distributing member 35 from the inlet to the outlet of each channel individually.

Referring to fig. 12, the distributing member 35 includes a slide rail base 351, a slide rail cylinder 352, a glue containing head jig 353 and a moving cylinder 354, the slide rail cylinder 352 is connected with the slide rail base 351, the glue containing head jig 353 is arranged on the slide rail base 351, the moving cylinder 354 is connected with the glue containing head jig 353, the slide rail cylinder 352 drives the glue containing head jig 355 to move to the position under the trough 34 or to the position under the trough 34, the glue containing head jig 353 is provided with 4 slots, the glue head S2 on the trough 34 falls into the glue containing head jig 353 in a staggered manner, and the realization principle is as follows: drive flourishing gluey first tool 353 through the shift cylinder 354, will flourishing gluey trench on the first tool 353 of gluing arrange in order, glue first S2 and get into 1 st and 3 rd trench earlier, after the shift cylinder 354 drives flourishing gluey first tool lateral shifting, glue the head and fall into 2 nd and 4 th trench again.

Referring to fig. 13-14, the rubber head mechanical rod 36 includes a transverse slide rail 361, a longitudinal slide rail 362, a mechanical rod cylinder 363, and a material taking rod 364, the material taking rod 364 is connected to the transverse slide rail 361 and the longitudinal slide rail 362, both the transverse slide rail 361 and the longitudinal slide rail 362 are provided with cylinders, the material taking rod 364 is driven by the cylinders to move transversely along the transverse slide rail 361, the material taking rod is driven to move longitudinally along the longitudinal slide rail 362, the diameter of the material taking rod 364 is substantially the same as the inner diameter of the rubber head, the rubber head in the rubber head holding jig 353 is taken up by the tight fit of the material taking rod 364 and the rubber head, so as to move the rubber head, and when the rubber head is fastened with the cover, the material taking rod 364 can be taken out. The mechanical rod cylinder 363 comprises a material taking cylinder 3631 and a material removing cylinder 3632, a rubber head mechanical rod 36 puts a rubber head into the positioning jig, the material removing cylinder 3632 moves downwards to press the rubber head, and the taking and placing cylinder 3631 is closed, so that the action of putting the rubber head is realized.

Referring to fig. 15, the head pressing device 37 includes a post 371 and a post cylinder 372, the post 371 is disposed above the positioning fixture 11, and the post 371 is driven by the post cylinder 372 to move longitudinally, so as to push the head S2 in the positioning fixture 12 into the cover S1.

Referring to fig. 16, the adhesive head pulling device 38 includes a pressure plate 381, a clamp 382, a clamp cylinder 383, a large cylinder 384 and a small cylinder 385, wherein the pressure plate 381 is disposed above the positioning fixture 12, the clamp 382 is disposed below the positioning fixture 12, the small cylinder 385 moves up to the position of the adhesive head S2, and the clamp 382 clamps the adhesive head; then the large cylinder 384 moves downwards to realize the action of pulling the rubber head; then returning to the initial position, the clamp 382 is released, the small cylinder 385 moves downward, and the large cylinder 384 moves upward; the large cylinder 384 and the small cylinder 385 drive the press plate 381, the clamp 382 and the clamp cylinder 383 to do longitudinal movement, the press plate 381 blocks the rubber head to pop up, the clamp cylinder 383 drives the clamp 382 to do clamping rubber head, and the rubber head in the positioning jig 12 is clamped on the cover; when the material waiting state is realized, the large air cylinder is opened, the small air cylinder is opened, so that enough space is reserved between the clamp and the pressing plate, and the turntable rotates without interference. Due to the rubber head material, the rubber head is in place when the large cylinder is pulled down by about 10mm, and if the large cylinder is forcibly pulled down by more than 28mm, the rubber head is possibly damaged. Because the big cylinder is pulled down by about 10mm, the rotation of the turntable interferes. Therefore, after the large cylinder is pulled out, the small cylinder moves downwards to ensure no interference. When the turntable rotates to the rubber head pulling device, the large air cylinder is closed, the small air cylinder is closed, and the rubber head can be clamped to the height; closing the clamp cylinder and clamping the rubber head; and then the clamp cylinder is fully opened after reset to finish the action of pulling the rubber head.

Referring to fig. 17 to 18, a plurality of glass tube jigs 421 are disposed on the glass tube conveying chain 42, an electric eye detecting bracket 43 is disposed on a side of the glass tube conveying chain 42, and the electric eye detecting bracket 43 is used for detecting whether a glass tube is mounted on the glass tube jig.

The side of the glass tube conveying chain 42 is further provided with a clamping cylinder 44, and the glass tube S3 on the positioning jig 12 is clamped by the clamping cylinder 44, so that the glass tube manipulator 41 can fix the glass tube on the cover and rubber head assembly conveniently.

The finished product discharging device 5 comprises a finished product manipulator 51 and a finished product conveying belt 52, a dropper is clamped on the finished product conveying belt 52 through the finished product manipulator 51, and the defective product discharging device 6 comprises a defective product manipulator 61 and a chute 62, and a defective product is clamped to the chute 62 through the defective product manipulator 61.

Furthermore, a residual material detection device 7 is arranged on the side of the defective product discharging device, and is used for sensing whether the burette material which is not clamped away exists on the positioning jig or not through the sensing principle and transmitting information to the control center.

The control center is a necessary part of each mechanical device, is input into the control center through a program, receives instructions and collected information in the middle of control, and performs feedback control.

The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An automatic burette assembling machine comprises an operation platform, a rotary table arranged on the operation platform and a positioning jig on the rotary table, and is characterized in that a feeding mechanism, an auxiliary mechanism and a discharging mechanism are arranged along the operation platform, the feeding mechanism comprises a cover conveying belt, a rubber head conveying device, a glass tube conveying chain and a mechanical hand device, and the auxiliary mechanism comprises a gland device, a rubber head pressing device and a rubber head pulling device; the cover conveying belt conveys the cover to the edge of the workbench, the mechanical hand device clamps the cover to the positioning jig of the turntable, the cover pressing device fixes the cover to the positioning jig, the glue head conveying device conveys the glue head to the edge of the workbench, the mechanical hand assembly puts the glue head into the cover of the positioning jig, the glue pressing head device pushes the glue head into the cover, the glue drawing head device further fixes the glue head into the cover, the glass tube conveying chain conveys the glass tube to the edge of the workbench, the mechanical hand device fixes the glass tube to the cover of the positioning jig and a glue head assembly, and the assembled dropper enters the discharging mechanism to be discharged.

2. The automatic dropper assembling machine according to claim 1, wherein the glue head conveying device comprises a storage bin, a vibrating tray, a material pushing member, a material slot and a material distributing member, the glue heads are placed in the storage bin, the glue heads enter the vibrating tray through the storage bin, the vibrating tray arranges the glue heads in order and enters the material pushing member, the material pushing member sends the glue heads into the material slot individually, the glue heads are sent to the material distributing member through the material slot, the material distributing member puts the glue heads, and a manipulator device is ready to clamp.

3. The automatic dropper assembling machine according to claim 2, wherein the glue head pulling device comprises a pressing plate, a clamp cylinder, a large cylinder and a small cylinder, the pressing plate is arranged above the positioning jig, the clamp is arranged below the positioning jig, the pressing plate, the clamp and the clamp cylinder are driven by the large cylinder and the small cylinder to move longitudinally, the pressing plate is used for blocking the glue head to pop out, and the clamp cylinder is used for loosening the new clamp to clamp the glue head in the positioning jig tightly on the cover.

4. The automatic burette assembling machine according to claim 3, wherein the glue pressing head device comprises a column and a column cylinder, the column is arranged above the positioning jig, and the column cylinder drives the column to move longitudinally so as to push the glue head in the positioning jig into the cover.

5. The automatic dropper assembling machine according to claim 4, wherein the discharging mechanism comprises a finished product discharging device and a defective product discharging device, the defective product discharging device is arranged on a side of the finished product discharging device, the finished product discharging device comprises a finished product manipulator and a finished product conveying belt, the finished product manipulator clamps the dropper on the finished product conveying belt, and the defective product discharging device comprises a defective product manipulator and a chute, and the defective product manipulator clamps the defective product on the chute.

6. The automatic dropper assembling machine according to claim 5, wherein the manipulator assembly comprises a cover manipulator, a rubber head manipulator and a glass tube manipulator, the cover manipulator is arranged on the side of the cover conveyor, the rubber head manipulator is arranged on the side of the material distribution member, and the glass tube manipulator is arranged on the side of the glass tube conveyor and is used for taking out the cover, the rubber head and the glass tube respectively.

7. The automatic dropper assembling machine according to claim 1, wherein a telescopic device is arranged between the cover manipulator and the cover conveyor belt, the telescopic device comprises a telescopic cylinder, a telescopic rod and a platform, the telescopic rod penetrates through the platform, the telescopic cylinder drives the telescopic rod, and the platform is transversely opened and closed so as to grab the cover to the cover conveyor belt and then the cover conveyor belt passes through the platform and then reaches the positioning jig.

8. The automated pipette assembly machine of claim 7, wherein a plurality of lanes are provided on said cap conveyor, each lane defining a column of cap transports.

9. The automatic dropper assembling machine according to claim 8, wherein a plurality of glass tube jigs are disposed on the glass tube conveying chain, and an electric eye detection bracket is disposed at a side edge of the glass tube conveying chain, and the electric eye detection bracket is used for detecting whether a glass tube is mounted on the glass tube jigs.

10. The automatic dropper assembling machine according to claim 9, wherein a clamping cylinder is further disposed at a side of the glass tube conveying chain, and the clamping cylinder clamps the glass tube on the positioning fixture, so that the glass tube manipulator can fix the glass tube on the assembly of the cover and the rubber head conveniently.