CN107695662B

CN107695662B - Gas filter tube assembling machine

Info

Publication number: CN107695662B
Application number: CN201710917052.9A
Authority: CN
Inventors: 梁启明
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-28
Filing date: 2017-09-28
Publication date: 2024-02-13
Anticipated expiration: 2037-09-28
Also published as: CN107695662A

Abstract

The invention provides a gas filter tube assembling machine, and belongs to the technical field of medical instrument production auxiliary equipment. The rotary table device comprises a rotary table and a rotary table driving mechanism which is arranged on the machine frame and can drive the rotary table to intermittently rotate, a rotary table jig for receiving plastic pipes is arranged on the rotary table, the rotary table is taken as a center, and a plastic pipe feeding device, a filter cotton feeding assembly device, a gas filter pipe ventilation detection device, a gas filter pipe visual detection device and a finished product discharging device are sequentially arranged on the periphery of the rotary table. The operation process comprises plastic pipe feeding, filter cotton feeding and assembling, detecting and finished product discharging, wherein the turntable jig is arranged on the rotating disc and rotates along with the interval, and sequentially reaches all posts to perform assembling actions. Compact structure screens through each item detection, improves the superior product rate of finished product.

Description

Gas filter tube assembling machine

Technical Field

The invention belongs to the technical field of medical instrument production auxiliary equipment, and particularly relates to a gas filter tube assembling machine.

Background

When the oxygen is supplied to a patient in a hospital, the oxygen is required to be filtered and disinfected, and the gas filtering pipe is arranged in the middle of the oxygen supplying rubber pipe so as to filter impurities in the oxygen. In the gas filter tube in the prior art, the outer plastic tube is generally two-section, and after the filter cotton is filled, the plastic tube is clamped and connected. However, such a gas filter tube has a two-stage structure, so that gas leakage points are easy to occur after assembly, the production yield is low, the assembly process is more complicated, the assembly is mostly performed manually, pollution is easy to occur, and the assembly efficiency is poor. The existing integrated plastic pipe is internally provided with filter cotton, and the integrated plastic pipe is assembled into a simple and efficient gas filter pipe. The gas filter pipe has the advantages that gas can not leak from the middle of the pipe body during assembly and use, the process of a clamping connector during assembly is omitted, and the application value is high.

In the prior art, there are many assembling devices for medical accessories, for example, the assembling device for the drip chamber component of the infusion apparatus in China patent application number 200720068329.7, and the effect of loading and assembling the accessories is achieved by utilizing each device mechanism. However, the existing medical accessory assembling equipment is not suitable for the gas filtering pipe, and no technology is disclosed how to assemble the filtering cotton into the plastic pipe.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the gas filter tube assembling machine which is simple in structure, reasonable in design, high in automation degree and high in assembling efficiency.

The aim of the invention can be achieved by the following technical scheme: the utility model provides a gas filtration tube assembly machine, includes the frame and sets up the carousel device in the frame, and the carousel device includes the rolling disc and sets up in the frame and can drive the rolling disc and make intermittent type pivoted carousel actuating mechanism, is equipped with on the rolling disc and is used for accepting the carousel tool of moulding the pipe, regards the rolling disc as the center, sets gradually mould pipe loading attachment, cotton filter feeding assembly device, gas filtration tube ventilation detection device, gas filtration tube vision detection device and finished product unloader in its periphery circumference.

The gas filter tube comprises a plastic tube and filter cotton arranged in the plastic tube, wherein the plastic tube comprises a tube belly, an upper connector and a lower connector. The invention provides a gas filter tube assembling machine, which comprises the operation processes of plastic tube feeding, filter cotton feeding and assembling, detecting and finished product discharging, wherein a turntable jig is arranged on a rotating disc and rotates along with the turntable jig, and the turntable jig sequentially reaches all posts to perform assembling actions. Compact structure screens through each item detection, improves the superior product rate of finished product.

Further, still be equipped with the plastic pipe detection mechanism that detects the plastic pipe cartridge condition on the carousel tool between plastic pipe loading attachment and filter pulp material loading assembly device, it is including detecting bracing piece and setting up inductor one, two on detecting the bracing piece. The plastic pipe detecting mechanism is used for detecting the number of plastic pipes and the orientation of plastic pipe joints in the turntable jig, and the plastic pipe is manually or mechanically and automatically adjusted to be normal so as to be suitable for the next step of assembly.

Further, the gas filter tube ventilation detection device and the gas filter tube visual detection device are also provided with a defective product blanking device for removing defective products in advance. Products with unqualified ventilation detection are removed in advance from the ventilation detection result, defective products are layered and processed separately, analysis of reasons for defective products is facilitated, production management is facilitated, part of defective products can be reused, and production resources are saved.

Further, the plastic pipe feeding device comprises a plastic pipe feeding rack, a plastic pipe vibration disc, a plastic pipe flat feeding mechanism, a plastic pipe receiving mechanism, a plastic pipe aligning mechanism and a plastic pipe shifting feeding mechanism are sequentially arranged on the plastic pipe feeding rack from back to front, wherein the plastic pipe shifting feeding mechanism comprises a plastic pipe aligning mechanism for adjusting the plastic pipe clamping in the plastic pipe receiving mechanism to be uniformly oriented and transferring to the plastic pipe aligning mechanism, and a plastic pipe feeding mechanism for transferring the aligned plastic pipe clamping on the plastic pipe aligning mechanism to the turntable jig.

The plastic pipes are orderly discharged under the vibration of the plastic pipe vibration plate, then the plastic pipes are continuously vibrated to the plastic pipe flat conveying mechanism for buffering storage, the plastic pipe flat conveying mechanism conveys the plastic pipes into the plastic pipe receiving mechanism, the plastic pipe steering mechanism clamps and takes out the plastic pipes in the plastic pipe receiving mechanism, the plastic pipes are adjusted to be uniformly oriented, the plastic pipes are transferred into the plastic pipe aligning mechanism, the plastic pipe clamping mechanism transfers the aligned plastic pipes on the plastic pipe aligning mechanism into the turntable jig, and the plastic pipes are conveniently transferred or assembled.

Because the plastic pipe is basically of a symmetrical structure, the plastic pipe is not easy to adjust into a uniform orientation in the plastic pipe vibration disc, the plastic pipe is firstly gathered by the plastic pipe receiving mechanism, and then the plastic pipe is uniformly and backwardly aligned, so that the design difficulty of the vibration disc can be simplified, the uniform orientation of the plastic pipe can be reliably realized, the follow-up uniform clamping and assembly are convenient, and the overall design is reasonable.

Further, filter cotton material loading assembly device, including filter cotton material loading frame, be equipped with filter cotton vibration dish, filter cotton flat feeding mechanism, filter cotton receiving mechanism, filter cotton compressing mechanism, filter cotton in proper order from the back forward in the filter cotton material loading frame, filter cotton compressing mechanism top still is equipped with and is used for transferring the filter cotton in the filter cotton receiving mechanism to the filter cotton transfer mechanism in the filter cotton compressing mechanism.

The filter cotton is orderly discharged under the vibration of the filter cotton vibration plate, and then continuously vibrates on the filter cotton flat conveying mechanism for buffering storage, the filter cotton flat conveying mechanism conveys the filter cotton into the filter cotton receiving mechanism, the filter cotton transferring mechanism clamps and takes out the filter cotton in the filter cotton receiving mechanism, the filter cotton is compressed into a strip shape by the filter cotton compressing mechanism, and the filter cotton pressing and assembling mechanism presses the compressed filter cotton into the plastic pipe to complete the assembly of the gas filter pipe. The invention uses the softness and elasticity of the filter cotton, can be compressed into the size corresponding to the size of the plastic pipe joint, and can be directly plugged into the plastic pipe without designing the plastic pipe into two sections, and has smart design in the assembly process and simple and practical structure.

Further, the ventilation detection device of the gas filter pipe comprises a ventilation and ventilation detecting mechanism and a ventilation and leakage detecting mechanism which are adjacently arranged, wherein the ventilation and ventilation detecting mechanism is provided with a ventilation rod, the ventilation and leakage detecting mechanism comprises a ventilation rod and a gas blocking rod which are oppositely arranged, the ventilation rod is communicated with the gas supply assembly and the sensing assembly for detecting the change of ventilation air pressure, a hollow cavity for ventilation is arranged in the ventilation rod, the ventilation and leakage detecting mechanism can be in sealing connection with one end interface of the plastic pipe, and the gas blocking rod can be in sealing connection with the other end interface of the plastic pipe.

Because the ventilation and leakage detection mechanisms have basically the same structure, the difference is that a blocking rod is needed during leakage detection, the ventilation and leakage detection processes can be completed in the ventilation and leakage detection mechanism when the ventilation and leakage detection mechanism is opened. However, the method has two disadvantages, namely that the pressure sensing value is different after ventilation during ventilation and leakage detection, the sensitivity of the sensor is required to a certain extent, and the program design is complex due to two procedures; and secondly, as the two working procedures are combined together, the total working time is obtained by adding the two single working procedures, the ventilation detection time is longer, the running time of other devices in the gas filter pipe assembly equipment is correspondingly longer, and the output in unit time is lower.

In the invention, the two sets of devices for detecting the ventilation and the leakage are used for respectively detecting, the sensing of the sensing assembly is more targeted, the detection result is more accurate, meanwhile, the detection time for detecting the ventilation and the leakage is parallel, the working time of the ventilation detection station is the same as the single-procedure time, the working time of the ventilation detection station is effectively shortened, and the production efficiency is remarkably improved. In addition, the ventilation rod and the air blocking rod which are matched with the plastic pipe joint are designed, so that the plastic pipe is more tightly inserted, and the detection accuracy is improved.

Further, the visual detection device of the gas filter tube comprises a detection bracket, a detection clamping mechanism and a detection mechanism, wherein the detection clamping mechanism comprises a clamping bracket, a clamping assembly and a rotating assembly for driving the clamping assembly to rotate 360 degrees, and the rotating assembly and the clamping assembly are respectively arranged above and below the clamping bracket; the detection mechanism comprises a camera and a light source which are respectively arranged at the front and the rear of the clamping component, and the camera is supported at the front of the clamping component through a camera support. The design gas filter tube is driven by the motor to rotate in situ, so that 360-degree detection of the gas filter tube can be completed by arranging one camera, the device structure is simplified, and resources are saved.

Further, the finished product unloader includes the product clamp that takes out the product from carousel tool get mechanism and holds the workbin, holds the opening of workbin and is arranged in pressing from both sides the below of getting the manipulator of getting in getting the mechanism, holds the workbin and sets up the branch flitch that can overturn, separates two parts with holding the workbin and communicate with finished product case and defective goods case respectively, holds the lateral part of workbin and sets up the branch material cylinder that drives the branch flitch upset, makes the workbin only expose finished product case or defective goods case. Thus, the finished product and the defective product can be effectively separated.

Further, a dust cover for dust prevention is arranged above each device of the assembly equipment, the dust cover is made of a transparent acrylic plate, and a window of a movable switch is arranged on the upper surface or the side surface of the dust cover. The dust cover can effectively prevent dust from being deposited on each device, and the service life of the assembling machine is prolonged. The transparent dust cover is convenient for observing the production process and finding out problems in time. The arrangement of the window is convenient for discharging finished products or defective products, feeding raw fittings and overhauling equipment.

Further, a finished product discharge end of the finished product discharging device is also provided with a material arranging device for arranging and packaging. Therefore, the automatic material arranging machine can replace manual material arranging, the automation degree of the assembling machine is further improved, the sanitation and the safety are realized, and the efficiency is higher.

Compared with the prior art, the gas filter tube assembling machine has the following advantages.

1. Through unifying the devices such as carousel device, mould tub loading attachment, filter pulp material loading assembly device, gaseous filter tube ventilation detection device, gaseous filter tube visual detection device and finished product unloading to an equipment, can effectively realize continuous operation, avoid having equipment decentralization, separation, effectively improve workshop utilization ratio. Meanwhile, the device has the advantages of simple structure, reasonable space application and high automation degree, and compared with manual feeding and assembly, the device improves the working efficiency and reduces the pollution opportunity; meanwhile, the automatic multi-station feeding and assembling reduces the labor cost and improves the production efficiency.

2. The plastic pipe feeding device can realize orderly discharging of plastic pipes, and the plastic pipes are subjected to direction adjustment, alignment, repositioning and transfer, so that automatic feeding of the plastic pipes is realized, and an automatic basis is provided for subsequent assembly. The orientation of the plastic pipes is adjusted to be consistent, so that the orientation of each plastic pipe is identical when the material is moved subsequently, the subsequent assembly time is saved, and the labor productivity is improved.

3. The soft and elastic filter floss can be compressed into a size corresponding to the size of the plastic pipe joint, and is directly plugged into the plastic pipe without designing the plastic pipe into two sections, so that the design of the assembly process of the filter floss and the plastic pipe is ingenious, and the structure is simple and practical. The filter cotton feeding and assembling device can realize orderly discharging, compression molding and final plugging with the plastic pipe of the filter cotton to complete the assembly of the gas filter pipe.

4. The invention gradually optimizes the yield of the product through 3 times of detection, meanwhile, the defective products detected by the detection, the leakage detection and the visual detection are removed in a layered manner by using the defective product blanking device and the finished product blanking device, thereby being beneficial to analyzing the cause of defective products, being beneficial to production management, enabling part of defective products to be reused and saving production resources.

5. The gas filter tube assembling machine can be suitable for plastic tubes with different length models, and has wide application range.

Drawings

Fig. 1 is a general schematic of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a rotating disc according to an embodiment of the invention.

Fig. 3 is a schematic structural diagram of a plastic pipe feeding device in an embodiment of the invention.

Fig. 4 is a schematic structural view of a plastic pipe joint mechanism in an embodiment of the present invention.

Fig. 5 is a top view of a plastic pipe joint mechanism in an embodiment of the invention.

FIG. 6 is a schematic diagram of a plastic pipe receiving mechanism after the receiving lifting mechanism descends in an embodiment of the invention.

Fig. 7 is an enlarged schematic view of the portion A, B of fig. 6.

Fig. 8 is a schematic structural diagram of a receiving lifting mechanism in an embodiment of the invention.

Fig. 9 is a schematic structural view of a plastic tube alignment mechanism according to an embodiment of the present invention.

FIG. 10 is another angular schematic view of a plastic tube alignment mechanism in accordance with an embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a plastic pipe shifting and feeding mechanism in an embodiment of the invention.

Fig. 12 is a bottom partial view of a plastic pipe displacement loading mechanism in an embodiment of the invention.

Fig. 13 is a schematic structural view of a filter cotton feeding assembly device according to an embodiment of the present invention.

Fig. 14 is a schematic structural view of a filter cotton receiving mechanism in an embodiment of the present invention.

Fig. 15 is a schematic view of a compression mechanism for cotton filter according to an embodiment of the present invention.

Fig. 16 is another angular schematic view of the mechanism of fig. 15.

Fig. 17 is a schematic structural view of a press die according to an embodiment of the present invention.

FIG. 18 is a schematic view of a plastic tube gripping gas claw in an embodiment of the invention.

Fig. 19 is a schematic view showing a structure of a filter cotton press-down assembly mechanism in an embodiment of the present invention.

Fig. 20 is a schematic structural diagram of a ventilation and ventilation measuring mechanism in an embodiment of the invention.

Fig. 21 is a schematic structural view of a ventilation leak detection mechanism in an embodiment of the invention.

Fig. 22 is a schematic structural diagram of a visual inspection device according to an embodiment of the invention.

Fig. 23 is a schematic structural diagram of a spin assembly and a clamping assembly according to an embodiment of the present invention.

Fig. 24 is a schematic structural diagram of a finished product blanking device in an embodiment of the present invention.

Fig. 25 is a complete schematic of an embodiment of the invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, 2 and 25, a gas filter tube assembling machine comprises a frame 1 and a turntable device 2 arranged on the frame, wherein the turntable device 2 comprises a turntable 21 and a turntable driving mechanism 22 arranged on the frame 1 and capable of driving the turntable 1 to intermittently rotate, a turntable jig 23 for receiving plastic tubes is arranged on the turntable 22, the turntable 21 is taken as a center, and a plastic tube feeding device 3, a filter cotton feeding assembling device 4, a gas filter tube ventilation detecting device 5, a gas filter tube visual detecting device 6 and a finished product discharging device 71 are sequentially arranged on the periphery of the turntable jig. A dust cover 01 for dust prevention is arranged above each device of the assembly equipment, the dust cover 01 is made of a transparent acrylic plate, and a window capable of being movably opened and closed is arranged on the upper surface or the side surface of the dust cover 01. A finished product discharge end of the finished product discharging device 71 is also provided with a tidying device 02 for tidying and packing. In this embodiment, the device is double-station (but not limited to this), namely, 2 plastic pipes and filter cotton are discharged simultaneously, and 2 gas filter pipes are discharged correspondingly simultaneously.

The gas filter tube that this embodiment indicates includes moulds pipe and filter pulp, and wherein moulds the pipe and be well style of calligraphy, including having the pipe tripe of great girth, pipe tripe upper and lower both ends bulge respectively have with outer tube connection's upper interface and lower interface, and the internal diameter of upper and lower interface is roughly unanimous. The excircle Zhou Han threads of the upper interface can be in threaded connection with other accessories, so that the assembly and the disassembly are convenient; the excircle Zhou Guanghua of the lower connector can be directly glued and fixed with other pipelines; the overall outer diameter of the upper interface is greater than the outer diameter of the lower interface. The filter cotton is cylindrical and is accommodated in the pipe belly of the plastic pipe. The assembling machine provided by the embodiment can be suitable for plastic pipes with different length models and corresponding filter cotton.

As shown in fig. 3-12, a plastic pipe feeding device 3 of a gas filter pipe comprises a plastic pipe feeding frame 31, a plastic pipe vibration disc 32, a plastic pipe flat feeding mechanism 33, a plastic pipe receiving mechanism 34, a plastic pipe aligning mechanism 35 and a plastic pipe shifting feeding mechanism 36 are sequentially arranged on the plastic pipe feeding frame from back to front, wherein the plastic pipe shifting feeding mechanism 36 comprises a plastic pipe aligning mechanism 361 for adjusting the plastic pipe clamping in the plastic pipe receiving mechanism 34 to be uniformly oriented and then transferred to the plastic pipe aligning mechanism 35, and a plastic pipe feeding mechanism 362 for transferring the aligned plastic pipe clamping on the plastic pipe aligning mechanism 35 to the plastic pipe clamping in a material jig. In this embodiment, the front and rear directions are consistent with each other, that is, the direction of conveying the plastic pipe is forward, and the direction of conveying the plastic pipe is backward. Because the outer diameters of the upper and lower interfaces of the plastic pipe are inconsistent, the orientation of the interfaces needs to be unified, the clamping assembly of the subsequent plastic pipe is convenient, and the assembly efficiency is improved.

The plastic pipe flat conveying mechanism 33 comprises a plurality of parallel plastic pipe conveying channels, can realize multi-station feeding, improves production efficiency, and corresponds to the number of the plastic pipe conveying channels in the following devices, such as the number of material tanks, gas claws and the like for receiving and taking materials. The plastic pipe flat conveying mechanism 33 is further provided with a flat conveying material blocking component, and the plastic pipe flat conveying mechanism comprises a blocking rod and a material blocking driving piece capable of driving the blocking rod to move up and down so as to block and discharge materials, wherein the material blocking driving piece is fixed on material blocking brackets at two ends of a plastic pipe conveying channel, and therefore the plastic pipe flat conveying mechanism is arranged above the front end of the plastic pipe flat conveying mechanism 33. The horizontal feeding material blocking component can temporarily block the later plastic pipe, avoid collision with the earlier plastic pipe which is positioned in the plastic pipe receiving mechanism 34, and prevent the earlier plastic pipe from jacking up, thereby influencing the precision of detection and material grabbing.

As shown in fig. 4-8, the plastic pipe receiving mechanism 34 includes a receiving support frame 341 disposed on the plastic pipe feeding frame 31, a receiving positioning seat 342, a receiving induction seat 343 and a receiving limiting plate 344 are sequentially fixed on the receiving support frame 341 from back to front, the receiving positioning seat 342 and the receiving induction seat 343 are disposed at intervals, a direction-adjusting material-taking groove 345 for taking materials from the plastic pipe direction-adjusting mechanism 361 is provided in the middle, and the receiving limiting plate 344 is fixed at the front end of the receiving induction seat 343; the material receiving positioning seat 342 and the material receiving sensing seat 343 are respectively provided with a material receiving groove for accommodating plastic pipes, and the material receiving sensing seat 343 is provided with a material receiving sensor, wherein the material receiving sensor comprises an optical fiber sensor 3461 for sensing plastic pipes in place and a correlation photoelectric sensor 3462 for sensing the orientation of the plastic pipes.

A receiving lifting mechanism 347 capable of filling/displaying the direction-adjusting material-taking groove 345 is arranged between the receiving positioning seat 342 and the receiving sensing seat 343, and comprises a lifting plate 3471 and a receiving lifting driving piece 3472 for driving the lifting plate to move up and down; the lifting plate 3471 is provided with a lifting plate groove 3473 which is used for accommodating the plastic pipe and corresponds to the material bearing groove, the fixed end of the material receiving lifting driving piece 3472 is arranged on the material receiving supporting frame 341, and the movable end of the material receiving lifting driving piece 3472 is fixedly connected with the lifting plate 3471. The lifting plate 3471 is used for filling/displaying the direction-adjusting material-taking groove 345, when the lifting plate 3471 ascends, the direction-adjusting material-taking groove 345 can be filled, the plastic pipe can stably advance along the material-bearing groove and the lifting plate groove 3473, the material clamping condition can not occur due to gaps, and therefore the running stability of the mechanism is improved, and the production efficiency is improved; the direction-adjusting and material-taking groove 345 can be displayed when the lifting plate 3471 descends, so that subsequent material taking is facilitated.

The material receiving limiting plate 344 plays a role in blocking materials, when the plastic pipe in the plastic pipe flat delivery mechanism 33 moves along the material receiving positioning seat 342 and the material receiving groove on the material receiving induction seat 343 until the plastic pipe is in place and the plastic pipe faces to the condition that the plastic pipe abuts against the material receiving limiting plate 344 to limit, the material receiving inductor senses the situation that the plastic pipe faces to the right. The material receiving positioning seat 342 and the material receiving sensing seat 343 are arranged at intervals, the direction adjusting material taking groove 345 can be naturally formed, a groove is not required to be dug on the plate, and the manufacturing difficulty of accessories is simplified. The position of the steering material taking groove 345 is close to the material receiving induction seat 343, the plastic pipe steering mechanism 361 grabs the pipe belly of the plastic pipe to take out the plastic pipe, and the material taking position is fixed, so that the plastic pipes with different lengths can be grabbed; the plastic pipe steering mechanism 361 is not suitable for grabbing the forward interface of the plastic pipe, so that overcrowding is avoided, and space is provided for installation induction of the material receiving inductor.

The optical fiber sensor 3461 is used for sensing whether the material is fed, the height is set to be standard so as to sense the lower interface of the plastic pipe, and the upper interface of the plastic pipe can be sensed similarly, namely, the material can be sensed no matter what the interface orientation of the plastic pipe is. As shown in fig. 7, the correlation photoelectric sensor 3462 is used for sensing the interface orientation of the plastic pipe, and the transmitting end and the receiving end are respectively arranged at two sides of the plastic pipe interface, and when the correlation photoelectric sensor is installed, the correlation photoelectric sensor meets the following conditions: as shown in the enlarged view B of fig. 7, light can be incident beyond the periphery of the lower interface of the plastic tube; as shown in the enlarged view of fig. 7 a, shading cannot be achieved beyond the external threads of the upper interface of the plastic tube. The light entering and shading of the sensor respectively indicate that the plastic pipe in place is the lower interface, the upper interface is forward, a control signal is provided for the material taking and direction adjusting of the subsequent plastic pipe direction adjusting mechanism, and the automatic discharging and direction adjusting of the plastic pipe are realized.

As shown in fig. 9 and 10, the plastic tube alignment mechanism 35 comprises an alignment support frame 351 arranged on the plastic tube feeding frame 31, an alignment receiving seat 352 is fixed on the alignment support frame 35, a material containing through groove 3521 for containing plastic tubes is arranged in the front-back direction of the alignment receiving seat 352, and an alignment discharging groove 3522 for discharging plastic tube alignment mechanism 361 is further arranged in the vertical direction of the alignment receiving seat 352; an alignment pushing mechanism 353 is provided at the rear of the alignment receiving base 352, and an alignment stopper mechanism 354 is provided at the front. Because the positions of the front and rear interfaces of the plastic pipe after the plastic pipe is adjusted are inconsistent, the plastic pipe interfaces need to be additionally aligned.

The alignment pushing mechanism 353 comprises an alignment push rod 3531, the rear end of the alignment push rod 3531 is connected with an alignment connecting plate 3532, and the alignment connecting plate 3532 drives the alignment push rod 3533 fixed on the alignment supporting frame 351 to move forwards and backwards through an alignment pushing driving piece 3533, so as to drive the pair Ji Tuigan 3531 to move forwards and backwards in the material containing through groove 3521; the alignment connecting plate 3532 is fixedly provided with a push rod supporting seat 3534 which can be replaced by a linear bearing, and the alignment push rod 3531 is in sliding connection with the alignment connecting plate 3532 through the push rod supporting seat 3534; the front end of the alignment push rod 3531 is provided with a rod end stop block 3535, and the rear end of the alignment push rod 3531 passes through the push rod supporting seat 3534 to be connected with a pushing rear support plate 3536; a spring 3537 is sleeved between the rod end stop 3535 and the alignment connection plate 3532. Therefore, the alignment push rod 3531 can elastically and automatically retract, does not collide with the plastic pipe rigidly, can reduce the damage to the plastic pipe, and avoids the waste of raw material accessories.

The alignment stop mechanism 354 comprises an alignment baffle 3541 and an alignment stop driving piece 3542 for driving the alignment baffle 3541 to move up and down, wherein the fixed end of the alignment stop driving piece 3542 is fixed on the plastic pipe feeding frame 31 through a connecting plate, and the movable end of the alignment stop driving piece 3542 is fixedly connected with the alignment baffle 3541; the alignment baffle 3541 and the alignment receiving seat 352 are arranged at intervals, and a pair Ji Quliao of empty spaces 355 for taking materials by the plastic pipe feeding mechanism 362 are reserved. The alignment effect of the plastic pipe can be realized by pushing the alignment baffle plate 3541 and the Ji Tuigan 3531 to push the alignment baffle plate to the opposite. The alignment baffle 3541 and the alignment receiving seat 352 are arranged at intervals, so that a gap Ji Quliao can be naturally formed, and the alignment baffle is simple and effective.

As shown in fig. 11 and 12, the plastic tube shifting and feeding mechanism 36 further includes two plastic tube shifting brackets 363 mounted on the plastic tube feeding frame 31 and separately arranged on two sides in front of the plastic tube alignment mechanism 35, a plastic tube shifting and fixing plate 364 with a hollow middle strand is covered at the upper ends of the two plastic tube shifting brackets 363, a shifting slide plate 365 is arranged above the plastic tube shifting and fixing plate 364, two parallel slide rails are arranged on the shifting and fixing plate 364, the shifting slide plate 365 can slide back and forth along the slide rails on the plastic tube shifting and fixing plate 364, and a slide plate driving member 366 for driving the shifting slide plate 365 to move back and forth and a buffering limiting member for limiting the front and back displacement of the shifting slide plate 365 are also arranged on the shifting and fixing plate 364; the front and rear sides of the lower end surface of the shifting slide plate 365 are respectively fixed with the plastic pipe feeding mechanism 362 and the plastic pipe steering mechanism 361, and the slide plate driving piece 366 is driven to drive the plastic pipe feeding mechanism 362 and the fixed plastic pipe steering mechanism 61 to move along the front and rear directions.

The plastic pipe steering mechanism 361 comprises a steering lifting driving piece 3611, a steering connecting plate 3612, a rotary air cylinder 3613 and a steering taking air cylinder 3614 from top to bottom, wherein the fixed end of the steering lifting driving piece 3611 is fixedly connected with a shifting slide plate 365, the movable end of the steering lifting driving piece is connected with the upper end face of the steering connecting plate 3612, the lower end face of the steering connecting plate 3612 is fixedly connected with the cylinder body of the rotary air cylinder 3613, the rotary seat 36131 of the rotary air cylinder 3613 faces downwards, the rotary seat 36131 is fixedly connected with the cylinder body of the steering taking air cylinder 3614 through a connecting block, and a steering taking air claw 3615 for grabbing plastic pipes is further connected below the cylinder body of the steering taking air cylinder 3614.

The plastic pipe feeding mechanism 362 comprises a feeding and taking air cylinder 3621 and a feeding and lifting driving piece 3621 for driving the feeding and taking air cylinder 3623 to move up and down, wherein the fixed end of the feeding and lifting driving piece 3621 is fixedly connected with a shifting slide plate 365, the movable end of the feeding and taking driving piece is connected with a cylinder body of the feeding and taking air cylinder 3623 through a feeding connecting frame 3622, and a feeding and taking air claw 3624 for grabbing the plastic pipe is further connected below the cylinder body of the feeding and taking air cylinder 3623. A feeding overturning driving piece 3625 for driving the feeding and taking air cylinder 3623 to overturn is further arranged on the feeding connecting frame 3622; the feeding connecting frame 3622 comprises a turnover fixing plate 36221 connected with the movable end of the feeding lifting driving piece 3621, turnover support plates 36222 are arranged on two sides of the lower end face of the turnover fixing plate 36221, a turnover plate 36223 is arranged between the two turnover support plates 36222 in a penetrating manner through a bearing, and a cylinder body of the feeding material taking cylinder 3623 is fixedly connected with the turnover plate 36223; the feeding turnover assembly 3625 comprises a turnover driving piece 36251 fixed on a turnover fixing plate 36221 by a support plate, the movable end of the turnover driving piece 36251 is hinged with a swing rod 36224 externally connected with the turnover plate 36223, and a buffering limiting piece for limiting the swing angle of the swing rod 36224 is further arranged on a turnover support plate 36222 close to the swing rod 36224. The movable end of the overturning driving piece 36251 stretches and contracts to drive the swinging rod 36224 to swing back and forth, so that the overturning plate 36223 is driven to overturn, as shown by an arrow in fig. 11, the plastic pipe in the feeding and material taking air claw 3624 is driven to overturn, and the plastic pipe is overturned from horizontal to vertical. The buffering limiting piece is used for slowing down the speed when the accessory moves to the set position, and safety and stability of the accessory during movement are improved.

The plastic pipe feeding mechanism 362 and the plastic pipe steering mechanism 361 are arranged on a shifting slide plate 365, and the sliding plate driving piece 366 controls the sliding plate to move back and forth, so that the plastic pipe feeding mechanism 362 and the plastic pipe steering mechanism 361 can pick up and discharge materials, and the design reduces the setting quantity of the driving pieces, achieves the transfer effect of plastic pipes more efficiently, and saves resources. After the plastic pipe is grabbed by the direction-adjusting material-taking air claw 3615, the plastic pipe is driven to rotate by the rotary air cylinder 3613, and the direction of the plastic pipe is adjusted. Each rotary air cylinder 3613 is independently operated, and the direction adjusting effect of the plastic pipes can be accurately and independently realized until the plastic pipes are uniformly oriented. The overturning effect of the feeding and taking air cylinder 3623 is achieved through the feeding overturning assembly 3625, so that the plastic pipe overturns to adapt to the receiving jig in the horizontal or vertical inserting design. In this embodiment, the turntable jig 23 is inserted vertically after being turned over.

As shown in fig. 13-19, a filter cotton feeding assembly device 4 of a gas filter tube comprises a frame 41, wherein a filter cotton vibration disc 42, a filter cotton horizontal feeding mechanism 43, a filter cotton receiving mechanism 44, a filter cotton compression mechanism 45 and a filter cotton pressing assembly mechanism 46 are sequentially arranged on the frame from back to front, and a filter cotton transferring mechanism 47 for transferring filter cotton in the filter cotton receiving mechanism 44 into the filter cotton compression mechanism 45 is further arranged above the filter cotton compression mechanism 45.

The filter cotton flat feeding mechanism 43 comprises a plurality of parallel filter cotton conveying channels, can realize multi-station feeding, improves production efficiency, and corresponds to the number of the filter cotton conveying channels in the following devices, such as the number of material tanks, gas claws and the like for receiving and taking materials.

The filter cotton receiving mechanism 44 comprises a filter cotton receiving support frame 441 installed on the frame 1, on which a filter cotton receiving block 443 is arranged, and a receiving driving member 442, preferably a sliding table cylinder, for driving the filter cotton receiving block 443 to shift laterally in a dislocation manner is arranged between the filter cotton receiving block 443 and the filter cotton receiving support frame 441; the filter cotton receiving block 443 is provided with a filter cotton receiving groove 444 for accommodating filter cotton, the side surface of the filter cotton receiving block 443 is also provided with an in-place sensor 445 for sensing the in-place condition of the filter cotton, and the corresponding filter cotton receiving block 443 is provided with a sensing through hole 4451 for passing the rays of the in-place sensor 445. The filter cotton receiving groove 444 comprises a feeding groove 4441 which faces the filter cotton flat feeding mechanism 43 and is opened, the section shape of the feeding groove 4441 corresponds to that of the filter cotton, a material taking groove 4442 is formed in the front portion of the feeding groove 4441 outwards, and the width of the material taking groove 4442 is smaller than the maximum width of the feeding groove 4441.

The filter cotton receiving mechanism 44 is used for receiving materials in a staggered manner, so that the received materials can be removed to obtain vacancies, the material taking is facilitated, meanwhile, the material blocking effect on the subsequent filter cotton is achieved, the material receiving and moving points of the filter cotton are clear, the mutual interference is avoided, the design is ingenious, and the structure is compact.

The filter cotton compression mechanism 45 comprises a compression fixing plate 451, and the compression fixing plate 451 is arranged above the frame 41 through two side support plates; the compression fixing plate 451 is provided with a front push assembly 454 for compressing the filter cotton in the front-rear direction, a side push assembly 453 for compressing the filter cotton in the left-right direction, and a pressing die 452 for accommodating the compressed filter cotton from the rear to the front. The front pushing assembly 454 includes a front pressing block 4541 capable of moving back and forth on the compression fixing plate 451, a sliding rail is disposed on the compression fixing plate 451, the front pressing block 4541 slides back and forth on the sliding rail through a sliding block, and the front pushing assembly 454 further includes a front pressing driving member 4542 for driving the front pressing block 4541 to move back and forth. The side pushing assembly 453 includes a side pressing fixed block 4531, a side pressing movable block 4532, and a side pressing driver 4533 that drives the side pressing movable block 4532 to approach the side pressing fixed block 4531; the side pressure fixed block 4531 is L-shaped and comprises a vertical side pressure baffle and a horizontal side pressure bottom plate, and the front pressing block 4541 passes through the space between the side pressure baffle and the side pressure movable block 4532 to push compressed filter cotton into the pressing die 452. The pressing die 452 is in a block shape, a feeding channel 4521 is arranged in the middle of the pressing die and backwards outwards, the bottom end of the front part of the feeding channel 4521 extends downwards and outwards, and a pressing channel 4522 for assembling with a plastic pipe is arranged in an opening. As shown in fig. 17, wherein the upper drawing is a perspective view of the stamper and the lower drawing is a sectional view of the stamper.

The filter cotton is compressed in the front-back left-right direction by the filter cotton compressing mechanism 45, so that the filter cotton is convenient to assemble with a plastic pipe. The filter membrane is compressed into a block shape in the left-right direction by the side pushing unit 453, the side pressure baffle of the side pressure fixing block 4531 is fixed, and the side pressure movable block 4532 moves to the filter membrane, so that the driving force of side pressure can be reduced, and only single side pressure is required. After being compressed in the left-right direction, the filter membrane in a block shape is sent to the compression mould 452 by the forward pushing component 454, the filter cotton is firstly pressed against the compression mould 452 from the rear to the front along the feeding channel 4521 to form a vertical strip shape, and then is pressed out from the pressing channel 4522 from top to bottom into the plastic tube. The compression mold 452 can limit the volume of the compressed filter cotton, so that the compression of the filter cotton is quantified, the automatic assembly of the filter cotton is facilitated, and the labor productivity is improved.

The filter cotton pressing assembly mechanism 46 comprises a filter cotton pressing assembly 461 and a plastic pipe clamping assembly 462 which are respectively arranged on and under the pressing mold 452, and a rotary table jig 23 for accommodating plastic pipes is arranged in front of the plastic pipe clamping assembly 462. The plastic tube is positioned in the turntable jig 23 and is clamped and fixed by the plastic tube clamping component 462, and the filter cotton pressing component 461 presses the compression-molded filter cotton into the plastic tube.

The filter cotton pressing assembly 461 comprises a pressing bottom plate 4612 and a pressing rod 4614 arranged on the lower end surface of the pressing bottom plate 4612 and used for pressing filter cotton into a plastic pipe through a pressing die, and the filter cotton pressing assembly 461 also comprises a pressing support frame 4611, and a pressing driving piece 4613 for driving the pressing bottom plate 4612 to move up and down is arranged on the pressing support frame; the movable end of the pushing-down driving member 4613 is fixed with the upper end face of the pressing bottom plate 4612, a guide post 4615 is arranged between the pressing bottom plate 4612 and the pushing-down supporting frame 4611, one end of the guide post 4615 is fixed with the pressing bottom plate 4612, the other end of the guide post 4615 penetrates through the pushing-down supporting frame 4611 and extends upwards, and a guide post supporting seat 4616 is further arranged between the guide post 4615 and the pushing-down supporting frame 4611. The guide post 4615 and the supporting seat 4616 are arranged to enhance the stability of the pressing process of the pressing rod 4614, so that the pressing rod 4614 is positioned more accurately in the up-down process, and the success rate of pressing the pressing rod is improved.

The plastic tube clamping assembly 462 includes a plastic tube clamping cylinder 4621 and a corresponding plastic tube clamping air jaw 4622, the plastic tube clamping assembly 462 further including a plastic tube pushing driver 4623 mounted below the compression fixation plate 451 for pushing the plastic tube clamping cylinder 4621 to move back and forth; the plastic tube clamping air claw 4622 comprises a left air claw and a right air claw, and an upward cotton inlet 46221 and a downward plastic tube clamping groove 46222 are formed after the left air claw and the right air claw are folded, wherein the plastic tube clamping groove 46222 corresponds to the plastic tube upper connector in shape and size, and the inner diameter of the cotton inlet 46221 is smaller than the inner diameter of the plastic tube upper connector and is not smaller than the inner diameter of the material pressing channel 4522 of the pressing die 452. The filter cotton enters the large caliber from the small caliber, so that the material is not blocked in the process, and the reliability of the material blocking process is ensured.

The cotton filter transfer mechanism 47 includes a back and forth movable take-out assembly including a take-out air jaw for gripping the cotton filter.

As shown in fig. 2, a plastic pipe detection mechanism 8 for detecting the plastic pipe insertion condition on the turntable jig 23 is further arranged between the plastic pipe feeding device 3 and the filter cotton feeding assembly device 4, and comprises a detection support rod 81 and first 82, second 82 and 83 inductors arranged on the detection support rod 81. The installation positions of the first sensor 82 and the second sensor 83 are in an up-down relation, the first sensor 82 is used for sensing the orientation of the plastic pipe joint, and the second sensor 83 is used for sensing the quantity of the plastic pipes on the turntable jig 23. When the rotating disc 21 rotates, the plastic pipe on the rotating disc jig 23 sequentially passes through the induction range of the second inductor 83, and under normal conditions, 2 signals are received, which indicates that 2 plastic pipes are arranged in the rotating disc jig 23, otherwise, if the signals are not received for 2 times, the abnormal phenomenon is caused. Because the upper and lower interfaces of the plastic pipe are different in structure, the outer diameters of the upper and lower interfaces are different, when the upper interface of the plastic pipe faces upwards, the plastic pipe can be completely inserted into the material receiving cavity of the turntable jig 23, and if the upper interface of the plastic pipe faces downwards, the plastic pipe cannot be completely inserted into the material receiving cavity of the turntable jig 23, the top end height of the plastic pipe is obviously higher than that of the upper interface of the plastic pipe, and thus, the first inductor 82 senses that the interface orientation of the plastic pipe is abnormal. For the possible abnormal phenomena, the device is manually or mechanically automatically adjusted to be normal so as to be suitable for the next assembly.

As shown in fig. 20 and 21, the ventilation and leakage detection mechanism 51 and 52 are provided, wherein the ventilation and leakage detection mechanism 51 is provided with a ventilation rod 53, the ventilation and leakage detection mechanism 52 comprises a ventilation rod 53 and a blocking rod 54 which are arranged oppositely, the ventilation rod 53 is communicated with an air supply assembly and a sensing assembly 55 for detecting the change of ventilation air pressure, a hollow cavity for ventilation is arranged in the ventilation rod 53, the hollow cavity can be connected with one end interface of a plastic pipe in a sealing way, and the blocking rod 54 can be connected with the other end interface of the plastic pipe in a sealing way.

The sensing assembly 55 includes a pressure gauge to test the air pressure, a pressure display to display the pressure.

The ventilation and ventilation mechanism 51 comprises a ventilation and ventilation bracket 511 and a ventilation driving source 531 for driving the ventilation rod 53 to be inserted into a plastic pipe interface, wherein the fixed end of the ventilation driving source 531 is fixed on the ventilation and ventilation bracket 511, and the movable end is fixedly connected with the ventilation rod 53 through a ventilation connecting plate 532. The ventilation rod 53 on the ventilation pipe is vertically arranged on the ventilation connecting plate 532, the air outlet of the ventilation rod 53 faces downwards, and the ventilation driving source 531 drives the ventilation rod to move up and down to plug in the plastic pipe interface. A collecting box 56 for collecting blown filter cotton is also provided below the ventilation rod 53 of the ventilation and ventilation mechanism 51.

The ventilation and leak detection mechanism 52 comprises a leak detection bracket 521 and a ventilation driving source 531 for driving the ventilation rod 53 to be inserted into a plastic pipe interface, wherein the fixed end of the ventilation driving source 531 is fixed on the leak detection bracket 521, and the movable end is fixedly connected with the ventilation rod 53 through a ventilation connecting plate 532; the ventilation and leak detection mechanism 52 further includes a blocking drive source 541 for driving the blocking rod 54 to move relatively toward the ventilation rod 53, and the blocking rod 54 is connected to a movable end of the blocking drive source 541 via a blocking connection plate 542. The ventilation rod 53 of the ventilation leakage detection mechanism 52 is vertically arranged on the ventilation connecting plate 532, the air outlet of the ventilation rod 53 faces downwards, and the ventilation driving source 531 drives the ventilation rod to move up and down to be inserted into the plastic pipe interface; the blocking rod 54 is vertically installed on the blocking connection plate 542 correspondingly, the blocking head of the blocking rod 54 faces upwards, and the blocking driving source 541 drives the blocking rod to move up and down to plug the other interface of the plastic pipe.

The front end of the ventilation rod 53, the ventilation plug 533, is tapered, and a seal ring 57 for sealing is provided at the bottom of the ventilation plug 533. The front end of the choke rod 54, the choke plug 543, is cone-shaped and is solid, and a sealing ring 57 for sealing is arranged at the bottom of the choke plug 543. Because the ventilation method is adopted for detection, the air pressure change is larger, in order to ensure that the ventilation rod 53 and the air blocking rod 54 are effectively inserted into the plastic pipe connector, the front end of the plastic pipe connector is in a tapered cavity shape, and the plastic pipe connector can be inserted in a guiding manner, so that the detection effectiveness is improved. The ventilation rod 53 and the air blocking rod 54 which are matched with the plastic pipe joint are designed in the invention, so that the plastic pipe is more tightly inserted, and the detection accuracy is improved.

The product with unqualified ventilation and ventilation can be filter cotton of a gas filter pipe or the quality of the filter pipe is problematic, and the ventilation is poor due to poor permeability. The product with unqualified ventilation and leakage detection is likely to be a plastic pipe with quality problem and crack of the gas filter pipe, so that gas leakage is caused.

As shown in fig. 22 and 23, a visual inspection device 6 of a gas filter tube comprises an inspection bracket 61, an inspection clamping mechanism 62 and an inspection mechanism 63 arranged on the inspection bracket, wherein the inspection clamping mechanism 62 comprises a clamping bracket 621, a clamping component 622 and a rotating component 623 for driving the clamping component 360 degrees to rotate, and the rotating component 623 and the clamping component 622 are respectively arranged on and under the clamping bracket 621; the detection mechanism 3 includes a camera 631 and a light source 632 respectively disposed in front of and behind the nip assembly 622, and the camera 631 is supported in front of the nip assembly 622 by the camera mount 33. The rotating disk 21 and the turntable jig 23 pass under the camera mount 33.

The visual inspection device further comprises an up-and-down driving assembly 64 for driving the inspection clamping mechanism 62 to move up and down, and the up-and-down driving assembly comprises an up-and-down driving source 641 with a fixed end arranged on a fixed plate 611 of the inspection bracket 61, wherein the movable end of the up-and-down driving source 641 passes through the fixed plate 611 to be fixedly connected with the clamping bracket 621; the fixed plate 611 is also provided with a plurality of guide posts 642 in a penetrating way, the lower ends of the guide posts 642 are fixed with the clamping bracket 621, the upper ends of two adjacent guide posts are provided with transition plates 643, and the transition plates are provided with buffers 644.

The material rotating component 623 comprises a driving motor 6231, and the output end of the driving motor 6231 is connected with a driving wheel 6232 in a key way; the clamping assembly 622 includes a clamping cylinder 6221 and a corresponding clamping gas jaw 6222 that are employed to clamp a gas filter tube. A connecting shaft (not shown in the figure) is connected to the top of the clamping cylinder 6221, the upper end of the connecting shaft penetrates through the clamping bracket bottom plate 6211 and is connected with a driven wheel 6233, a belt 6234 is arranged between the driving wheel 6232 and the driven wheel 6233, the belt 6234 connects the driving wheel 6232 and the driven wheel 6233 in series, and a tension wheel 6235 for keeping the belt tight is further arranged in the middle of the belt 6234. The connecting shaft is also provided with a bearing, and a bearing support seat 6223 is sleeved between the bearing and a material clamping bracket bottom plate 6211. A rotary connecting block 6224 for connecting and buffering is also arranged between the material clamping cylinder 6221 and the connecting shaft. The motor actively rotates to drive the plurality of clamping assemblies 622 to rotate driven, so that multi-station simultaneous detection is realized, and as shown in the embodiment, the production efficiency can be improved due to two stations.

Through setting up accessories such as guide pillar 642, bearing support seat 6223, rotatory connecting block 6224, make clamp material subassembly 622 stable lift to accurate clamp get the gas filter tube, the motor initiative rotation can drive a plurality of clamp material subassemblies driven rotation, realizes multistation simultaneous detection, improves production efficiency. The design gas filter pipe is driven by the motor 631 and rotates in situ, so that only one camera is required to be arranged to finish 360-degree detection of the gas filter pipe, the device structure is simplified, and resources are saved.

As shown in fig. 24, the product blanking device 71 includes a product clamping mechanism 711 for taking out the product from the turntable fixture 23 and a material accommodating box 712, wherein an opening of the material accommodating box 712 is positioned below a clamping manipulator 7111 in the clamping mechanism 711, a reversible material separating plate 7121 is arranged in the Rong Liaoxiang box 712, the material accommodating box 712 is divided into two parts and is respectively communicated with the product accommodating box 7122 and the defective product accommodating box 7123, and a material separating cylinder 713 for driving the material separating plate 7121 to turn is arranged at the side part of the material accommodating box 712, so that the material accommodating box 712 only exposes the product accommodating box 7122 or the defective product accommodating box 7123. The defective product blanking device 72 has the same structure as the finished product blanking device 71, except that two defective product boxes are communicated with the material containing box 712 and are respectively used for receiving defective products and defective products. The finished product blanking device 71 is used for receiving finished products and visually inspecting unqualified products. The inferior products have 3 layers, and the subsequent treatment processes are different. Products with failed detection and leakage detection can be directly abandoned, and products with failed visual detection can be reused.

The working procedure of the gas filter tube assembling machine provided in this embodiment is as follows.

1. Plastic pipe feeding

1. Discharging a plastic pipe: orderly discharging the plastic pipes under the vibration of the plastic pipe vibration plate 32, continuing vibrating to buffer and store the plastic pipes on the plastic pipe flat conveying mechanism 33, and discharging the plastic pipes at intervals at the port of the plastic pipe flat conveying mechanism 33 through the flat conveying material blocking component 331;

2. and (3) receiving and detecting: the plastic pipe in the plastic pipe horizontal conveying mechanism 33 is directly conveyed into the plastic pipe receiving mechanism 34 for receiving materials, and the in-place condition and the interface orientation condition of the plastic pipe are respectively sensed by two sets of material receiving sensors arranged on the material receiving sensing seat 343;

3. unified orientation: taking out the plastic pipe in the plastic pipe receiving mechanism 34 through the plastic pipe direction adjusting mechanism 361, rotating the plastic pipe with the upper interface of the plastic pipe facing backwards by 180 degrees according to the detection result of the procedure a2, enabling the orientation of the upper interface of the plastic pipe to uniformly face forward, and then placing the plastic pipe into the plastic pipe aligning mechanism 35;

4. and (3) alignment feeding: the plastic pipes are uniformly aligned by pushing the plastic pipes back and forward through the plastic pipe alignment mechanism 35, and then the plastic pipes with the aligned interfaces are taken out by the plastic pipe feeding mechanism 62 and are rotationally and vertically inserted into the turntable jig 23 on the turntable 21 for transfer and assembly.

2. Plastic pipe detection

The plastic pipe in the turntable jig 23 is transferred to a plastic pipe detection station, and in the rotating process of the rotating disc, the first inductor 82 is used for inducing the orientation of the plastic pipe joint, and the second inductor 83 is used for inducing the quantity of plastic pipes on the turntable jig 23. When the second sensor 83 receives the signal 2 times, the first sensor 82 does not receive the signal, and the operation is normal. If the above induction conditions are not generated at the same time, the equipment will give an alarm, the assembly machine pauses working, and the plastic pipe on the turntable jig 23 is manually adjusted to be normal, so that the assembly is suitable for the next step. The rotating disc 21 is started again, and the plastic pipe is transferred to the next process.

3. Filter cotton material loading equipment

1. Discharging the filter cotton: the filter cotton is orderly discharged under the vibration of the filter cotton vibration disc 42, and then continuously vibrates to the filter cotton horizontal conveying mechanism 43 to buffer and store materials, and the filter cotton is conveyed to the filter cotton receiving mechanism 44;

2. dislocation material receiving: receiving materials through a filter cotton receiving mechanism 44, dislocating and emptying a material taking space, blocking the filter cotton on a rear filter cotton horizontal conveying mechanism 43, and transferring the filter cotton to a filter cotton compressing mechanism 45 by a filter cotton transferring mechanism 47;

3. compression of filter cotton: the filter cotton is compressed in the front-back left-right direction by the filter cotton compression mechanism 45 to be assembled with a plastic pipe, specifically, a filter membrane is compressed into a block shape in the left-right direction by the side pushing component 453, the block-shaped filter membrane is sent into the pressing die 452 by the front pushing component 454, the filter cotton is pressed against the pressing die 452 from the back to the front along the feeding channel 4521 of the pressing die to form a vertical strip shape, and the size of the filter cotton is matched with the inner diameter of an upper interface of the plastic pipe;

4. And (5) pressing and assembling: the upper interface of the plastic tube in the turntable jig 23 is clamped by the plastic tube clamping assembly 462; the compression bar 4614 of the pressing component 461 passes through the compression mold 452 and the plastic pipe clamping air claw 4622 and stretches into the upper joint of the plastic pipe, the filter cotton in the compression mold 452 is completely pushed into the pipe belly of the plastic pipe, and the filter cotton naturally expands in the plastic pipe until the pipe belly of the plastic pipe is full of the filter cotton, so that the gas filter pipe is formed.

4. Ventilation detection

The gas filter tube is driven by the turntable jig 23 to be transferred to a ventilation measuring region, the gas filter tube is arranged below a ventilation rod 53 of the ventilation measuring mechanism 51, a ventilation driving source 531 drives the ventilation rod 53 to descend and is in sealing connection with an upper interface of the gas filter tube, an air supply assembly is started to start ventilation of the gas filter tube, a sensing assembly 55 detects ventilation air pressure change, whether the gas filter tube is normally ventilated or not is sensed, if the sensed air pressure value is larger than a normal value, the gas filter tube is defective, and defective products are memorized. Then, the gas filter tube is driven by the turntable jig 23 to be transferred to a ventilation and leakage detection area, the ventilation and leakage detection area is arranged between a ventilation rod 53 and a gas blocking rod 54 of the ventilation and leakage detection mechanism 52, a ventilation driving source 531 drives the ventilation rod 53 to descend and is in sealing connection with an upper interface of the gas filter tube, a gas blocking driving source 541 drives the gas blocking rod 54 to ascend and is in sealing connection with a lower interface of the gas filter tube, an air supply assembly is started to ventilate the gas filter tube, a sensing assembly 55 detects the change of ventilation air pressure, whether the gas filter tube leaks air or not, if the set value of the leakage detection air pressure does not reach, the gas filter tube leaks air, and the gas filter tube belongs to defective products and memorizes defective products.

5. Defective product removal

The defective product discharging device 72 takes out the defective products sensed after the ventilation detection, and sorts the defective products of different reasons into different defective product boxes according to the detection result. The qualified product is continuously driven by the rotating disc 21 to be transferred to the next process.

6. Visual inspection

The gas filter tube is driven by the jig to be transferred to a visual detection area, the upper and lower driving source 41 drives the clamping assembly 22 to descend, the clamping gas claw 222 is opened and closed by the clamping cylinder 221 to clamp the upper connector of the plastic tube of the gas filter tube, and then the upper and lower driving source 41 drives the clamping assembly 22 to ascend so as to extract the whole gas filter tube. The driving motor 231 drives the driving wheel 232 to rotate and sequentially drives the driven wheel 233 and the clamping assembly 22 to rotate, so that the gas filter tube is driven to rotate for 360 degrees, pictures of the gas filter tube are taken through the camera 31 lens while rotating, particularly, the state condition of the filter cotton on the plastic tube belly is aimed at, then the pictures are compared with standard pictures, whether the filter cotton exists in the plastic tube, whether the filling assembly position of the filter cotton is correct, whether the plastic tube belly is completely filled or not is judged, whether the gas filter tube is qualified or not is judged according to the comparison result, and defective products are memorized. After the gas filter tube rotates once, the up-down driving source 41 is detected to drive the clamping assembly 22 to descend, and the gas filter tube is replaced into the jig to be transferred for the next process.

7. Discharging of finished products

The finished product unloader 71 takes out the gas filter tubes in the turntable jig 23 entirely, puts the defective products sensed after visual inspection into a defective product box, puts the qualified products into a finished product box, and sorts and packs the defective products by the sorting device 02. The empty turntable fixture 23 is driven by the turntable 21 to transfer the first procedure, and the materials are received again for assembly.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The gas filter tube assembling machine is characterized by comprising a frame (1) and a rotary table device (2) arranged on the frame, wherein the rotary table device (2) comprises a rotary table (21) and a rotary table driving mechanism (22) which is arranged on the frame (1) and can drive the rotary table (21) to intermittently rotate, a rotary table jig (23) for receiving plastic tubes is arranged on the rotary table (21), a plastic tube feeding device (3), a filter cotton feeding assembling device (4), a gas filter tube ventilation detecting device (5), a gas filter tube visual detecting device (6) and a finished product blanking device (71) are sequentially arranged on the periphery of the rotary table (21) by taking the rotary table (21) as a center;

The plastic pipe feeding device (3) comprises a plastic pipe feeding frame (31), a plastic pipe vibrating disc (32), a plastic pipe flat feeding mechanism (33), a plastic pipe receiving mechanism (34), a plastic pipe aligning mechanism (35) and a plastic pipe shifting feeding mechanism (36) are sequentially arranged on the plastic pipe feeding frame from back to front, wherein the plastic pipe shifting feeding mechanism (36) comprises a plastic pipe aligning mechanism (361) for adjusting the plastic pipe clamping in the plastic pipe receiving mechanism (34) to be uniformly oriented and transferring the plastic pipe clamping to the plastic pipe aligning mechanism (35), and a plastic pipe feeding mechanism (362) for transferring the aligned plastic pipe clamping on the plastic pipe aligning mechanism (35) to the rotating disc jig (23);

the filter cotton feeding assembly device (4) comprises a filter cotton feeding frame (41), a filter cotton vibration disc (42), a filter cotton horizontal feeding mechanism (43), a filter cotton receiving mechanism (44), a filter cotton compression mechanism (45) and a filter cotton pressing assembly mechanism (46) are sequentially arranged on the filter cotton feeding frame from back to front, and a filter cotton transferring mechanism (47) for transferring filter cotton in the filter cotton receiving mechanism (44) into the filter cotton compression mechanism (45) is further arranged above the filter cotton compression mechanism (45).

2. The gas filter tube assembling machine according to claim 1, wherein a plastic tube detecting mechanism (8) for detecting the plastic tube inserting condition on the rotary table jig (23) is further arranged between the plastic tube feeding device (3) and the filter cotton feeding assembling device (4), and the plastic tube detecting mechanism comprises a detecting supporting rod (81) and first and second sensors (82 and 83) arranged on the detecting supporting rod (81).

3. The gas filter tube assembling machine according to claim 1, wherein a defective product blanking device (72) for eliminating defective products in advance is further provided in the gas filter tube ventilation detecting device (5) and the gas filter tube visual detecting device (6).

4. The gas filter tube assembling machine according to claim 1, wherein the gas filter tube ventilation detection device (5) comprises a ventilation measuring mechanism (51) and a ventilation leakage measuring mechanism (52) which are adjacently arranged, wherein the ventilation measuring mechanism (51) is provided with a ventilation rod (53), the ventilation leakage measuring mechanism (52) comprises a ventilation rod (53) and a gas blocking rod (54) which are oppositely arranged, the ventilation rod (53) is communicated with a gas supply component and a sensing component (55) for detecting ventilation air pressure change, a hollow cavity for ventilation is arranged in the ventilation rod (53), the hollow cavity can be in sealing connection with one end interface of a plastic tube, and the gas blocking rod (54) can be in sealing connection with the other end interface of the plastic tube.

5. The gas filter tube assembling machine according to claim 1, wherein the visual detection device (6) of the gas filter tube comprises a detection bracket (61), a detection clamping mechanism (62) and a detection mechanism (63) which are arranged on the detection bracket, wherein the detection clamping mechanism (62) comprises a clamping bracket (621), a clamping component (622) and a rotating component (623) which drives the clamping component (622) to rotate by 360 degrees, and the rotating component (623) and the clamping component (622) are respectively arranged above and below the clamping bracket (621); the detection mechanism (63) comprises a camera (631) and a light source (632) which are respectively arranged at the front and the rear of the clamping assembly (622), and the camera (631) is supported at the front of the clamping assembly (622) through a camera support (633).

6. The gas filtration tube assembling machine according to claim 1, wherein the finished product blanking device (71) comprises a product clamping mechanism (711) for taking out products from the turntable jig (23) and a material accommodating box (712), an opening of the Rong Liaoxiang (712) is positioned below a clamping manipulator (7111) in the product clamping mechanism (711), a reversible material distributing plate (7121) is arranged in the Rong Liaoxiang (712), the material accommodating box (712) is divided into two parts and is respectively communicated with the finished product box (7122) and the defective product box (7123), and a material distributing cylinder (713) for driving the material distributing plate (7121) to turn is arranged at the side part of the Rong Liaoxiang (712) so that the material accommodating box (712) only exposes the finished product box (7122) or the defective product box (7123).

7. The gas filter tube assembling machine according to claim 1, wherein a dust cover (01) for dust prevention is arranged above each device of the assembling machine, the dust cover (01) is made of transparent acrylic plates, and a window capable of being movably opened and closed is arranged on the upper surface or the side surface of the dust cover (01).

8. The gas filter tube assembling machine according to claim 1, wherein a finished product discharging end of the finished product blanking device (71) is further provided with a tidying device (02) for tidying and packing.