CN212268727U - Circulating conveying device - Google Patents

Abstract

The utility model provides a circulation conveyor, including the carriage, two sets of vertical conveying mechanism, two sets of horizontal conveying mechanism, a plurality of carriers, turn guide structure, two sets of vertical conveying mechanism parallel arrangement respectively in an opposite side of carriage, two sets of horizontal conveying mechanism parallel arrangement respectively in another opposite side of carriage, form square conveying track structure, a plurality of carriers bear and carry on square conveying track structure, a plurality of parts for placing and fixing a position case, turn guide structure sets up in each corner position of square conveying track structure, in order to supply the guide carrier to turn. This circulating conveying device can realize more nimble various sharp turn angles for overall structure overall arrangement is compacter, can realize the quarter turn, has effectively shortened the transport stroke, has improved the efficiency of carrying.

Description

Circulating conveying device

Technical Field

The utility model relates to a tap's case manufacture equipment, in particular to circulation conveyor.

Background

The valve core is a core component for switching the faucet and adjusting cold water and hot water. As shown in fig. 1 and 2, the valve core manufactured by this company includes a valve stem assembly 101, a moving plate assembly 102, a stationary plate assembly 103, and a housing 104, and these four components need to be sequentially combined together to form the valve core, and lubricating oil needs to be added to the moving plate assembly 102 and the stationary plate assembly 103 respectively during assembly. Currently, the assembly of valve cartridges is mostly done by automated assembly lines. The following similar prior art is found through search, for example, utility model patent with application number cn201822083922.x discloses a big valve core assembling machine. Utility model patent with application number CN201710224951.0 discloses a water tap case assembly machine. Utility model patent with application number CN201821304500.4 discloses a mixed case automatic assembly line. Through comparative analysis, the valve core produced by different companies has different structures and assembly methods, and the existing automatic assembly line cannot adapt to the assembly of the valve core of the company. Therefore, there is a need to develop an automated assembly line that can accommodate the valve cartridges of the company. The technical problem to be solved in the first place is how to design a set of conveying device for conveying valve core components, and the company designs a technical scheme different from the prior art concept according to the production requirements so as to better adapt to the assembly of the valve core.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a circulation conveyor, this circulation conveyor can realize more nimble various sharp turn angles for overall structure overall arrangement is compacter, can realize the quarter turn, has effectively shortened the transport stroke, has improved the efficiency of carrying.

The utility model relates to a technical solution:

a circular conveying device comprises a conveying frame, two sets of longitudinal conveying mechanisms, two sets of transverse conveying mechanisms, a plurality of carriers, a turning guide structure and two sets of longitudinal conveying mechanisms, wherein the two sets of longitudinal conveying mechanisms are respectively arranged on one opposite side of the conveying frame in parallel, the two sets of transverse conveying mechanisms are respectively arranged on the other opposite side of the conveying frame in parallel to form a square conveying track structure, the carriers are born on the square conveying track structure for conveying and are used for placing and positioning a plurality of components of a valve core, and the turning guide structure is arranged at each corner position of the square conveying track structure to guide the carriers to turn.

Furthermore, the device also comprises an in-place detector, a blocking mechanism and a positioning assembly which are arranged at intervals, so that the in-place detector detects whether the carrier moves to the corresponding station and blocks the carrier of the corresponding station so as to be positioned.

Further, the conveying frame comprises a top frame and a plurality of supporting legs fixed on the top frame, the top frame is of a rectangular structure formed by four side edges, each side edge of the top frame comprises two supporting beams arranged in parallel, and the blocking mechanism and the positioning assembly are fixed on the supporting beams respectively and located between the two supporting beams on the side edge of the top frame.

Further, vertical conveying mechanism includes driven wheelset, the transmission wheelset, support the conducting bar, conveyer belt and carry the driving piece, driven wheelset and transmission wheelset are installed respectively in the both ends of carriage, it is equipped with two sets to support the conducting bar, be fixed in on the carriage in parallel to each other, the conveyer belt is equipped with two, respectively around locating on the wheel body of the both sides of driven wheelset and transmission wheelset, set up the spout that extends along length direction on the support conducting bar, the section of going upward of every conveyer belt slides and sets up in the spout that corresponds the support conducting bar, be equipped with guide structure on the carriage, guide structure is worn to locate to the lower section slidable of every conveyer belt, carry the driving piece to be fixed in on the carriage, be used.

Furthermore, the driven wheel set comprises a driven wheel seat fixed at one end of the conveying frame and driven wheels rotatably arranged on two sides of the driven wheel seat.

Furthermore, the transmission wheel set comprises a transmission wheel seat, a transmission wheel and tensioning wheels, the transmission wheel seat is fixed at one end of the conveying frame, the transmission wheels are rotatably mounted on two sides of the transmission wheel seat, the transmission wheels are driven to rotate by the conveying driving piece, and the two tensioning wheels which are vertically arranged are rotatably mounted above the transmission wheels on the transmission wheel seat.

Further, the carrier includes the carrier main part, is fixed in a plurality of positioning seats of carrier main part upper surface and locates four guide posts of carrier main part lower surface, and the lower surface of carrier main part supports in the upper surface of two conveyer belts of parallel arrangement to drive the carrier main part and remove through the frictional force between the upper surface of carrier main part lower surface and two conveyer belts when supplying two conveyer belts to move, and four guide posts slide to set up in the outside that each supported the conducting strip two liang relatively.

Furthermore, the turning guide structure comprises an inner side guide part, an outer side guide part and a transition plate, wherein the inner side guide part is fixed on the inner side of the corner position of the conveying frame, the inner side guide part is provided with a guide groove, the outer side guide part is fixed on the outer side of the corner position of the conveying frame, each outer side guide part is provided with a horizontal plane which is positioned on the same plane with the upper surface of the conveying belt and an inclined plane connected with the horizontal plane, two guide posts on the outer side of the carrier body are elastically telescopic, and the transition plate is used for filling and leveling the space between the two conveying belts at the corner position so as to enable the supporting carrier to pass when turning.

Furthermore, the blocking mechanism comprises a blocking driving part and a blocking part fixed at the lifting end of the blocking driving part.

Furthermore, the positioning assembly comprises a positioning driving part and a positioning part, the positioning driving part is fixedly arranged below the two conveying belts, the positioning part is arranged between the two conveying belts in a lifting manner through the positioning driving part, and a positioning hole corresponding to the positioning part is formed in the bottom of the carrier.

The utility model has the advantages that:

the circular conveying device is characterized in that a square conveying track structure formed by two sets of longitudinal conveying mechanisms and two sets of transverse conveying mechanisms is arranged on a conveying frame, and a carrier is driven by the longitudinal conveying mechanisms and the transverse conveying mechanisms to move along the square conveying track structure under the guiding action of a turning guide structure. Can realize like this that the carrier moves to each station and process, provide the realization basis that the material was carried for manufacturing automation. Through a plurality of detectors that target in place, a plurality of barrier mechanism and a plurality of locating component on the carriage, be convenient for realize the station that automated inspection carrier arrived to block the carrier of this station in order to prevent that it from continuing to remove, then fix a position so that processing to the carrier through locating component, the barrier mechanism releases the carrier after processing, and the carrier continues to remove to next station and processes. Therefore, the continuous production of a plurality of processing steps can be realized, and the automation degree of the production is favorably improved. This circulating conveying device can realize more nimble various sharp turn angles for overall structure overall arrangement is compacter, can realize the quarter turn, has effectively shortened the transport stroke, has improved the efficiency of carrying.

Drawings

FIG. 1 is an exploded view of a valve core to be assembled in the automatic valve core assembly line of the present invention;

FIG. 2 is an assembly diagram of the valve core to be assembled in the automatic valve core assembly line of the present invention;

FIG. 3 is an assembly view of the automatic assembly line for valve cores of the present invention;

FIG. 4 is a partial assembly view of the automatic assembly line for valve cores of the present invention;

FIG. 5 is an assembly view of the circulating conveying device of the automatic valve core assembly line of the present invention;

FIG. 6 is a first enlarged partial view of the circulating conveyor of the automatic valve core assembly line of the present invention;

FIG. 7 is a second enlarged partial view of the circular conveying device of the automatic valve core assembly line of the present invention;

FIG. 8 is a top view of the circulating conveying device of the automatic valve core assembly line of the present invention;

FIG. 9 is a partially enlarged view of the longitudinal conveying mechanism of the automatic assembly line for valve cores of the present invention;

FIG. 10 is a partial front view of a longitudinal conveying mechanism of the automatic valve element assembly line of the present invention;

fig. 11 is a perspective view of a carrier of the circulating conveying device of the automatic valve element assembly line of the present invention;

fig. 12 is a front view of a carrier of the circulating conveying device of the automatic valve core assembly line of the invention;

fig. 13 is a bottom view of the carrier of the endless conveyor assembly of the automatic valve element assembly line of the present invention;

fig. 14 is a perspective view of a first refueling device of the automatic valve element assembly line of the present invention;

fig. 15 is a partial front view of a first refueling device of the automatic valve element assembly line of the present invention;

fig. 16 is a partially enlarged view of a first refueling device of the automatic valve core assembly line of the present invention;

fig. 17 is a perspective view of a second refueling device of the automatic valve core assembly line of the present invention;

fig. 18 is a perspective view of an assembling device of the automatic valve core assembling line of the present invention;

fig. 19 is a front view of a positioning and clamping mechanism of an assembling device of the automatic valve core assembling line of the invention;

FIG. 20 is a cross-sectional view of the automatic assembly line for valve cartridges of the present invention in the position of the positioning and clamping mechanism;

fig. 21 is a perspective view of a gripper of an assembling device of the automatic valve element assembling line of the present invention;

FIG. 22 is a perspective view of the testing apparatus of the automatic assembly line for valve cartridges of the present invention;

FIG. 23 is a front view of the testing device of the automatic assembly line for valve cores of the present invention;

fig. 24 is a partial enlarged view of the testing device of the automatic valve element assembly line of the present invention.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Referring to fig. 1 to 4, the present invention provides an automatic valve core assembly line for assembling a valve stem assembly 101, a moving plate assembly 102, a stationary plate assembly 103 and a housing 104 into a valve core. The automatic valve core assembly line comprises a circulating conveying device 1, a first oiling device 2, a second oiling device 3, an assembling device 4, a testing device 5, an ink-jet printer (not shown) and a sorting manipulator 6. The circulating conveying device 1 is used for circularly conveying a plurality of parts of the valve core to each station. The first oiling device 2, the second oiling device 3, the assembling device 4, the testing device 5, the code spraying machine and the sorting manipulator 6 are sequentially arranged along the conveying direction of the circulating conveying device 1 (the arrow direction in fig. 4 is the conveying direction). The first oiling device 2 and the second oiling device 3 are respectively used for spraying lubricating oil on different parts of the valve core. Specifically, the first oiling device 2 is used for spraying lubricating oil on the moving blade assembly 102 and the fixed blade assembly 103, and the second oiling device 3 is used for spraying lubricating oil on the housing 104. The assembling device 4 is used for assembling the components of the valve element after oil injection. The testing device 5 is used for testing the air tightness of the assembled valve core, feeding back the tested result to the sorting mechanical arm 6, enabling the sorting mechanical arm 6 to pick a good valve core product to the code spraying machine for code spraying, then placing the good valve core product back to the circulating conveying device 1 for continuous conveying, and picking a defective valve core product to a corresponding recovery container. A feeding and discharging station is arranged between the first oiling device 2 and the sorting mechanical arm 6 for placing a plurality of parts of the valve core on the circulating conveying device 1 and taking down the valve core good products after code spraying.

Referring to fig. 5 to 10, the circular conveying apparatus 1 includes a conveying frame 11, two sets of longitudinal conveying mechanisms 12, two sets of transverse conveying mechanisms 13, a plurality of carriers 14, a turning guide structure 15, a plurality of in-place detectors 16, a plurality of blocking mechanisms 17, and a positioning assembly 18. Two sets of longitudinal conveying mechanisms 12 are respectively arranged on one opposite side of the conveying frame 11 in parallel, and two sets of transverse conveying mechanisms 13 are respectively arranged on the other opposite side of the conveying frame 11 in parallel to form a square conveying track structure. A plurality of carriers 14 are carried on a square conveyor track structure for transporting and positioning the components of the cartridge. The turning guide structure 15 is disposed at each corner position of the square conveying track structure for guiding the vehicle 14 to turn. The in-place detectors 16 and the blocking mechanisms 17 are arranged at each station, the positioning assemblies 18 are arranged at the stations where the loading and unloading stations, the first oiling device 2 and the sorting manipulator 6 are located, and the special positioning devices are arranged at the stations where the second oiling device 3, the assembling device 4 and the testing device 5 are located, so that the in-place detectors 16 can detect whether the carriers 14 move to the corresponding stations or not and block the carriers 14 of the corresponding stations for positioning.

In order to further improve the production efficiency, a reserved station detector 19 and a blocking mechanism 17 are arranged in front of each station for detecting whether the carrier 14 moves to the reserved station and blocking the carrier 14 of the reserved station, and releasing the carrier 14 after the corresponding station is finished.

Preferably, the in-place detector 16 and the reserved station detector 19 can be photoelectric sensors. In addition, other types of position sensors may be used for the in-position detector 16 and the reserved station detector 19.

The conveying frame 11 includes a top frame 111 and a plurality of supporting legs 112 fixed to the top frame 111, the top frame 111 is a rectangular structure formed by four sides, and each side of the top frame 111 includes two parallel supporting beams 113. The blocking mechanism 17 and the positioning component 18 are respectively fixed on the support beams 113 and located between two support beams 113 on the side of the top frame 111. It is understood that one support beam 113 may be used for each side of the top frame 111, and the support beam 113 may have a desired installation width. But is more convenient to manufacture by using two support beams 113.

The longitudinal conveying mechanism 12 includes a driven wheel set 121, a transmission wheel set 122, two supporting guide bars 123, a conveying belt 124 and a conveying driving member 125, the driven wheel set 121 and the transmission wheel set 122 are respectively installed at two ends of the top frame 111, two sets of the supporting guide bars 123 are respectively fixed on two supporting beams 113 at the side of the top frame 111, and when only one supporting beam 113 is adopted at the side of the top frame 111, the two sets of the supporting guide bars 123 are fixed on the same supporting beam 113 in parallel. The two ends of the supporting guide bar 123 extend to the positions of the driven wheel set 121 and the transmission wheel set 122 respectively, two conveying belts 124 are arranged and are wound on the wheel bodies on the two sides of the driven wheel set 121 and the transmission wheel set 122 respectively, sliding grooves extending along the length direction are formed in the supporting guide bar 123, and the ascending section of each conveying belt 124 is arranged in the corresponding sliding groove of the supporting guide bar 123 in a sliding mode. The support beam 113 is provided with a guide structure extending along the length direction of the support beam 113, and preferably, the guide structure is a guide hole 130 (shown in fig. 20) extending along the length direction of the support beam 113, and the descending segment of each conveyor belt 124 slidably penetrates through the guide hole 130. The conveying driving member 125 is fixed on one end of the top frame 111 near the driving wheel set 122, and is used for driving the driving wheel set 122 to rotate. The rotation of the transmission wheel set 122 drives the transmission belt 124 to rotate from the driven wheel set 121 through two belts.

The driven wheel set 121 includes a driven wheel seat 1211 fixed at one end of the top frame 111 and driven wheels 1212 rotatably installed at two sides of the driven wheel seat 1211, so that one end of the two parallel conveyor belts 124 respectively winds around the driven wheels 1212 at two sides.

The driving wheel set 122 includes a driving wheel seat 1221, a driving wheel 1222 and a tension wheel 1223, the driving wheel seat 1221 is fixed on one end of the top frame 111 opposite to the driven wheel seat 1211, the driving wheel 1222 is rotatably mounted on both sides of the driving wheel seat 1221, the driving wheel 1222 is driven to rotate by the conveying driving member 125, and the conveying driving member 125 can adopt a speed reduction motor. Two tension wheels 1223 arranged up and down are rotatably installed on the transmission wheel seat 1221 above the transmission wheel 1222, so that the other ends of the two parallel conveyor belts 124 respectively wind around the transmission wheel 1222 and the tension wheels 1223 on both sides.

The structure of the transverse conveying mechanism 13 is basically the same as that of the longitudinal conveying mechanism 12, and the length of the transverse conveying mechanism 13 is shorter than that of the longitudinal conveying mechanism 12. The two sets of transverse conveying mechanisms 13 and the two sets of longitudinal conveying mechanisms 12 form a square conveying track structure.

The carrier 14 includes a carrier main body 141, a plurality of positioning seats 142 fixed on the upper surface of the carrier main body 141 for placing the valve core component, and four guiding columns 143 disposed on the lower surface of the carrier main body 141, the four guiding columns 143 are arranged in a rectangular shape, and the lower surface of the carrier main body 141 is supported on the upper surfaces of the two parallel conveying belts 124, so that the two conveying belts 124 can drive the carrier main body 141 to move by the friction force between the lower surface of the carrier main body 141 and the upper surfaces of the two conveying belts 124 when operating. The four guide posts 143 are slidably disposed on the outer side of each support bar 123 in pairs, that is, two guide posts 143 are correspondingly disposed on the outer side of each support bar 123, and the carrier body 141 keeps moving linearly along the direction of the conveyor belt 124 under the guiding action of the four guide posts 143, so that the carrier body 141 can be prevented from deviating to the two sides thereof and unsmooth operation can be avoided. Preferably, the carrier body 141 includes a slider 1411, a connecting column 1412 and a carrying plate 1413, the slider 1411 is slidably disposed on the two conveyor belts 124, the slider 1411 and the carrying plate 1413 are disposed in parallel, and the slider 1411 and the carrying plate 1413 are fixedly connected by the connecting columns 1412.

The turn guide structure 15 includes an inner guide 151, an outer guide 152 and a transition plate 153, the inner guide 151 is fixed to the inner side of the corner position of the top frame 111, the inner guide 151 is provided with a guide groove 150, and the guide groove 150 is a circular right-angle groove. The two outer side guide members 152 are fixed at the outer sides of the corner positions of the top frame 111 at intervals, the distance between the two outer side guide members 152 is equal to the distance between the two guide posts 143 outside the carrier main body 141, each outer side guide member 152 is provided with a horizontal surface 1522 which is positioned on the same plane with the upper surface of the conveyor belt 124 and an inclined surface 1521 connected with the horizontal surface 1522, the two guide posts 143 outside the carrier main body 141 are elastically telescopic, and when the carrier 14 moves to the position of the outer side guide member 152 under the driving of the two conveyor belts 124, the two guide posts 143 outside the bottom of the carrier 14 sequentially impact the inclined surfaces 1521 of the two outer side guide members 152 to be telescopic, and then move to the horizontal surfaces 1522 of the two outer side guide members 152. The transition plate 153 is used to level the space between the two conveyor belts 124 at the corner positions for the support vehicle 14 to pass through when turning.

It is understood that only one outer guide 152 may be provided, and the length of the outer guide 152 extending in the conveying direction may be equal to the distance between the two retractable guide posts 143 outside the carrier body 141.

It will be appreciated that the guide slots 150 may also be formed as obtuse-angled or acute-angled circular slots, thereby providing an obtuse-angled or acute-angled turn. Compared with the semi-circular track turning conveying device in the prior art, the circulating conveying device 1 can achieve various sharp turning angles more flexibly, so that the overall structure layout is more compact, the conveying stroke is effectively shortened when the right-angle turning is adopted, and the conveying efficiency is improved.

The stopping mechanism 17 includes a stopping driving member 171 and a stopping portion 172 fixed at the lifting end of the stopping driving member 171, the stopping driving member 171 is fixed on the supporting beams 113, and the stopping portion 172 is arranged between the two supporting beams 113 on the side frame of the top frame 111 in a lifting manner, so as to stop or release the carrier 14 which is arranged above the two supporting beams 113 and can move along the conveying direction. When the stopper 172 protrudes upward, the stopper 172 blocks the carrier 14, so that the carrier 14 stops moving. When stops 172 retract downward, stops 172 release carrier 14 so that carrier 14 continues to move.

The positioning assembly 18 includes a positioning driving member 181 and a positioning member 182, the positioning driving member 181 is fixedly disposed below the two conveyor belts 124, the positioning member 182 is disposed between the two conveyor belts 124 through the positioning driving member 181 in a lifting manner, and a positioning hole 1410 corresponding to the positioning member 182 is disposed at the bottom of the carrier 14, i.e., at the bottom of the sliding block 1411, so that the positioning member 182 is inserted into the positioning hole 1410 when rising to position the carrier 14. The positioning member 182 includes at least two positioning rods.

Preferably, the blocking driving member 171 and the positioning driving member 181 are both air cylinders, and other retractable driving devices may be used.

It is to be understood that the endless conveyor 1 can be applied to various technical fields in which conveyance is required.

The circular conveying device 1 is provided with a square conveying track structure formed by two sets of longitudinal conveying mechanisms 12 and two sets of transverse conveying mechanisms 13 on a conveying frame 11, and a carrier 14 is driven by the longitudinal conveying mechanisms 12 and the transverse conveying mechanisms 13 and moves along the square conveying track structure under the guiding action of a turning guide structure 15. Therefore, the carrier 14 can move to each station for processing, and a material conveying realization basis is provided for production and manufacturing automation. The multiple in-place detectors 16, the multiple blocking mechanisms 17 and the multiple positioning assemblies 18 on the conveying frame 11 facilitate automatic detection of the stations where the carriers 14 arrive, block the carriers 14 at the stations to prevent the carriers from moving continuously, then position the carriers 14 through the positioning assemblies 18 for machining, after machining, the blocking mechanisms 17 release the carriers 14, and the carriers 14 move continuously to the next station for machining. Therefore, the continuous production of a plurality of processing steps can be realized, and the automation degree of the production is favorably improved.

Referring to fig. 14 to 16, the first refueling device 2 includes a supporting portion 21, a sliding table module 22, a lifting driving member 23, a connecting seat 24, a fuel injection pump 25, a fuel injection head 26, a first oil tank 27 (fig. 3), and a fuel receiving device 28, where the sliding table module 22 is horizontally fixed on the supporting portion 21, the lifting driving member 23 is fixed on a horizontal sliding portion of the sliding table module 22, the connecting seat 24 is fixed on a lifting end of the lifting driving member 23, the fuel injection pump 25 is fixed above the connecting seat 24, the fuel injection head 26 is fixed below the connecting seat 24, the fuel injection pump 25 is communicated with the first oil tank 27 through a fuel suction pipe, and the fuel injection head 26 is connected with the fuel injection pump 25, so that the lubricating oil sucked from the first oil tank 27 by the fuel injection pump 25 is intermittently sprayed downward through the fuel injection head 26, and the lubricating. In this embodiment, two oil injection heads 26 are provided for simultaneously filling oil to two valve core components, so as to finally realize that one carrier 14 can assemble two valve core finished products. The oil receiving device 28 is disposed on the sliding table module 22, and is configured to move to a position below the oil spraying head 26 to receive the excess lubricating oil overflowing from the oil spraying head 26. Thus, the phenomenon that the redundant lubricating oil falls on the ground to pollute the working environment can be avoided, and the lubricating oil can be saved.

The lifting driving member 23 includes a cylinder 231, a piston rod 232, guide posts 233, a lifting block 234 and a synchronizing rod 235, the piston rod 232 is telescopically disposed in the cylinder 231, guide holes are disposed on both sides of the piston rod 232 on the cylinder 231, the guide posts 233 are slidably disposed in each guide hole, the top ends of the two guide posts 233 are connected to the synchronizing rod 235, the bottom ends of the two guide posts 233 and the piston rod 232 are connected to the lifting block 234, and the connecting base 24 is fixed to the lifting block 234.

Because the height of the moving plate assembly 102 and the height of the stationary plate assembly 103 are not consistent, the height of the fuel injector head 26 needs to be controlled separately when the two components are refueled. The first refueling device 2 further comprises a limit assembly 29 disposed at the top end of the cylinder 231 for providing two different limit heights for the movement of the synchronizing bar 2353. The limiting assembly 29 includes a guide rail seat 291, a sliding guide body 292, a limiting driving member 293, a first limiting portion 294, a second limiting portion 295 and a push rod 296, the guide rail seat 291 is fixed at the top end of the cylinder body 231, the sliding guide body 292 is slidably disposed on the guide rail seat 291, the limiting driving member 293 is fixed on the guide rail seat 291, the first limiting portion 294 and the second limiting portion 295 are oppositely disposed on the sliding guide body 292 and located at two ends of the sliding direction of the sliding guide body 292, the height of the first limiting portion 294 is not equal to the height of the second limiting portion 295, and the push rod 296 is downwardly disposed on the synchronizing rod 235, so that the limiting driving member 293 drives the sliding guide body 292 to drive the first limiting portion 294 or the second limiting portion 295 to abut against the push rod 296 to achieve different limiting heights. It can be understood that the top rod 296 can be omitted, and only the height of the first position-limiting portion 294 and the height of the second position-limiting portion 295 need to be increased, so that the synchronization rod 235 directly abuts against the first position-limiting portion 294 or the second position-limiting portion 295 for position limitation.

In this embodiment, the first position-limiting portion 294 is a position-limiting block, and the second position-limiting portion 295 and the rod 296 are both made of a bolt that can be adjusted in a lifting manner.

Preferably, the sliding table module 22 can adopt the existing screw rod electric sliding table to realize the translation, and the lifting driving member 23 can adopt an air cylinder.

The oil receiving device 28 includes an oil receiving driving element 281 and an oil receiving container 282, the oil receiving driving element 281 is fixed on the sliding table module 22, and the oil receiving container 282 is fixed on the power output portion of the oil receiving driving element 281 with an upward opening, so that the oil receiving driving element 281 drives the oil receiving container 282 to move below the oil spray head 26. The oil receiving driving member 281 may rotate the oil receiving container 282 to the lower side of the oil spraying head 26, and the oil receiving driving member 281 may also move to the lower side of the oil spraying head 26 in a translation manner.

Preferably, the oil receiving container 282 is communicated to the first oil tank 27 through a recovery pipe, so that the lubricating oil in the oil receiving container 282 can flow into the first oil tank 27 for recycling.

The first oiling device 2 is matched with the sliding table module 22, the lifting driving piece 23, the connecting seat 24, the oil injection pump 25, the oil injection head 26 and the first oil tank 27 which are arranged on the supporting part 21, the sliding table module 22 and the lifting driving piece 23 can drive the oil injection pump 25 and the oil injection head 26 to move to the valve core part of the carrier 14 for automatic oil injection, and lubricating oil can be continuously supplied through the first oil tank 27. Therefore, quick oil injection to the valve core part can be realized, and an even oil injection effect can be realized.

Referring to fig. 17, the second refueling device 3 includes a support 31, an oil pump 32, an oil overflow head 33 and a second oil tank 34 (fig. 3), the oil pump 32 is fixed on the support 31, the oil overflow head 33 is disposed upward and connected to the oil pump 32, and the oil pump 32 is communicated with the second oil tank 34 through an oil pumping pipe, so that the lubricating oil in the second oil tank 34 is pumped out through the oil pump 32 and intermittently overflows from the oil overflow head 33.

Referring to fig. 18 to 21, the assembling device 4 is disposed close to the second refueling device 3 for the two processing steps to be completed at the same station. The assembling device 4 includes a positioning and clamping mechanism 41 and an assembling manipulator 42, the positioning and clamping mechanism 41 includes a base 411, a guide rod 412, a lifting seat 413, a jacking driving member 414, a clamping seat 415 and a positioning column 416, the four corners of the top surface of the base 411 are all fixed with the guide rod 412, the lifting seat 413 is sleeved on the four guide rods 412 in a lifting and sliding manner, the jacking driving member 414 is fixed on the base 411, and the jacking rod of the jacking driving member 414 is connected with the lifting seat 413 so as to drive the lifting seat 413 to lift. The top ends of the two guide rods 412 on each side are respectively fixed with a clamping seat 415, and when the device is installed and used, the two clamping seats 415 are oppositely arranged on two sides of the longitudinal conveying mechanism 12. Two positioning posts 416 are vertically arranged on both sides of the lifting seat 413. The carrier plate 1413 of the carrier 14 is wider than the slider 1411, two sides of the carrier plate 1413 respectively extend out from two sides of the slider 1411, the extending side of the carrier plate 1413 is provided with a position-limiting hole 1414 (fig. 13) for inserting the positioning posts 416 at two sides of the lifting seat 413 into the corresponding position-limiting holes 1414 when the positioning posts 416 are lifted, so as to limit the position of the carrier 14, and the carrier 14 can be driven to lift and clamped between the positioning posts 416 and the clamping seat 415 by the continuous lifting of the positioning posts 416 after positioning the carrier 14.

The lifting base 413 includes a lifting plate 4131 and a sliding sleeve 4132 fixed to four corners of the lifting plate 4131, and the guide bar 412 is slidably inserted into the sliding sleeve 4132.

The clamp holder 415 includes a bottom plate 4151, a fixing post 4152, and a top plate 4153, the bottom plate 4151 is fixed to the top ends of the two guide bars 412 on one side, and the top plate 4153 is fixed above the bottom plate 4151 by the fixing post 4152. Preferably, the bottom plate 4151 is provided with a guide hole 4150 for the positioning post 416 to slidably pass through.

The assembling manipulator 42 comprises a base 421, a rotating arm 422, a machine head 423, an assembling driving member 424 and a hand grip 425, wherein one end of the rotating arm 422 is rotatably connected to the base 421, the other end of the rotating arm 422 is rotatably connected with the machine head 423, the assembling driving member 424 is vertically arranged on the machine head 423, the lifting end of the assembling driving member 424 faces downwards and is provided with the hand grip 425, and the hand grip 425 is used for grabbing assembly and oil coating of valve core components. The specific process is that the hand grip 425 firstly grips the valve rod assembly 101 on the carrier 14 and installs the valve rod assembly 101 on the moving plate assembly 102, then grips the assembly of the valve rod assembly 101 and the moving plate assembly 102 on the carrier 14 and installs the assembly on the stationary plate assembly 103, then the shell 104 on the gripping carrier 14 moves to the oil overflow head 33 of the second oiling device 3 to be oiled and then is assembled on the assembly of the valve rod assembly 101, the moving plate assembly 102 and the stationary plate assembly 103, and the assembling process is completed.

The gripper 425 comprises a gripper driving member 4251 and three clamping blocks 4252, the three clamping blocks 4252 are arranged at the bottom end of the gripper driving member 4251 in an annular array, and the gripper driving member 4251 is used for driving the three clamping blocks 4252 to move back and forth along the annular array in the radial direction so as to clamp or release a workpiece. The inner wall of each clamping block 4252 is an arc-shaped wall for being attached to the outer peripheral surface of a workpiece, so that the workpiece is clamped more stably.

Referring to fig. 22 to 24, the testing device 5 includes a supporting base 52, a lifting positioning assembly 53, a height limiting structure 54, a detecting head 55, a workpiece pressing assembly 56, and a valve rod driving assembly 57, wherein the lifting positioning assembly 53 is disposed at the bottom of the supporting base 52 for limiting the carrier 14 in a horizontal plane, and the height limiting structure 54 is fixed on the supporting base 52 for limiting the carrier 14 in a height direction. A workpiece pressing assembly 56 is disposed on top of the support base 52 for pressing the workpiece (i.e., the assembled finished valve cartridge) on the carrier 14. The valve rod driving assembly 57 is disposed on the top of the supporting seat 52, and is used for shifting and rotating the valve rod of the assembled valve core in different use states. The detection head 55 is movably disposed on the support 52, so that the detection head 55 can move to the bottom of the positioned and compressed workpiece for performing an air tightness test.

The supporting seat 52 includes a plurality of fixing feet 521, a lower supporting plate 522, an upper supporting plate 523 and supporting pillars 524, the bottom of the lower supporting plate 522 is fixed with the plurality of fixing feet 521, and the lower supporting plate 522 and the upper supporting plate 523 are arranged in parallel and fixed with each other through the four supporting pillars 524. The elevation positioning assembly 53 and the height limiting structure 54 are fixed on the lower support plate 522, and the detection head 55 is movably disposed on the lower support plate 522. The workpiece pressing assembly 56 and the valve rod driving assembly 57 are disposed on the upper support plate 523.

The lifting positioning assembly 53 comprises a lifting positioning driving member 531, a positioning plate 532 and a positioning protrusion 533, the positioning driving member 531 is fixed on the lower support plate 522, the end of the piston rod of the positioning driving member 531 faces upwards and is fixed with the positioning plate 532, the positioning plate 532 is located between the two conveying belts 124 at the bottom of the carrier 14, the positioning protrusion 533 is fixed on the upper surface of the positioning plate 532, and the positioning protrusion 53 is used for being matched and positioned with the positioning hole 1410 at the bottom of the carrier 14.

The height limiting structure 54 includes two height limiting frames oppositely disposed at two sides of the lifting positioning assembly 53, the height limiting frames include a height limiting rod 541 and a height limiting block 542, the height limiting block 542 is fixed on the lower supporting plate 522 of the supporting seat 52 through the two height limiting rods 541, and the height limiting blocks 542 of the two height limiting frames are disposed at the same height. When the lifting device is installed and used, the two height limiting frames are oppositely arranged at the outer sides of the two conveyor belts 124 at the bottom of the carrier 14, so that the lifting positioning driving member 531 drives the positioning plate 532 and the positioning protrusions 533 to ascend to support the carrier 14 to abut against the lower surfaces of the two height limiting blocks 542 for positioning. It is understood that the two height-limiting frames may be disposed on the upper supporting plate 523 or the four supporting posts 524, and only need to be fixedly disposed relative to the supporting seat 52.

The detection head 55 can be used for air tightness detection by adopting a vacuumizing or inflation mode, and three air nozzles with upward openings are arranged on the detection head 55 and are respectively communicated with a hot water cavity, a cold water cavity and a water outlet cavity at the bottom of the valve core in a sealing mode. The detection head 55 is connected with a vacuum pump through an air pipe, each cavity of the valve core is pumped through the vacuum pump, and whether the valve core is qualified or not is judged through measurement of a vacuum meter. Or, the detection head 55 is connected with an air pump through an air pipe, each chamber of the valve core is inflated through the air pump, and whether the detection is qualified or not is judged through measurement of the pressure sensor.

The testing device 5 comprises a detection head driving assembly 58 for driving the detection head 55 to move, and two sets of detection heads 55 and two sets of detection head driving assemblies 58 are arranged oppositely and are respectively positioned at two sides of the lifting positioning assembly 53. Detection head drive assembly 58 includes vertical driving piece 581 and horizontal driving piece 582, and vertical driving piece 581 is fixed in on lower support plate 522, and the lift end of vertical driving piece 581 is up and is fixed with horizontal driving piece 582, and horizontal driving piece 582 horizontal migration end is fixed with detection head 55. The vertical driving member 581 and the horizontal driving member 582 can drive the detecting head 55 to move up and down and horizontally.

The workpiece pressing component 56 comprises a mounting frame 561, a pressing driving part 562, a synchronizing block 563, pressing rods 564 and a pressing plate 565, the mounting frame 561 is fixed on the supporting plate 523, the pressing driving part 562 is fixed on the mounting frame 561, a piston rod of the pressing driving part 562 faces downwards and is connected with the synchronizing block 563, the pressing rods 564 are installed at two ends of the synchronizing block 563, the two pressing rods 564 downwards penetrate through the upper supporting plate 523, the bottom ends of the two pressing rods 564 are fixedly connected with the pressing plate 565, and the pressing plate 565 is located between the two height limiting frames. In this embodiment, the pressing driving member 562, the synchronizing block 563, the pressing lever 564 and the pressing plate 565 are oppositely disposed in two sets to simultaneously press two workpieces.

The valve rod driving assembly 57 includes a fixing seat 571, a rotary driving member 572, a rotary chuck 573, an opening driving member 574, a closing driving member 575, a push plate 576 and a push rod 577, wherein the fixing seat 571 is fixed on the bottom surface of the upper support plate 523. The four corners of the fixing base 571 are provided with guide sleeves, and each pressure lever 564 penetrates through the corresponding guide sleeve. The rotary driving member 57 is fixed to the upper support plate 523 and is located between the two pressing rods 564. The rotating shaft of the rotating driving member 57 faces downward and is provided with a rotating chuck 573, the rotating chuck 573 extends downward to below the fixing seat 571, and the rotating chuck 573 is provided with a limiting opening 570 for inserting the valve rod into the limiting opening 570. The pressing plate 565 has a through hole for the rotating chuck 573 to pass through. The hot and cold water switching is realized by rotating the rotary chuck 573 to drive the valve rod to rotate. The opening driving member 574 and the closing driving member 575 are fixed at the bottom of the fixing seat 571, the opening driving member 574 and the closing driving member 575 are respectively provided with a push plate 576 capable of sliding in a reciprocating manner, and each push plate 576 is fixed with a push rod 577 for pushing the valve rod to open or close the valve core. The push plate 576 is of a U-shaped structure, the openings of the U-shaped structure are oppositely arranged and are arranged along the sliding direction of the push plate 576 in a staggered manner, and push rods 577 are fixed at two extending ends of the U-shaped structure so as to operate the two valve cores simultaneously.

When the testing device 5 is used, when the in-place detector 16 detects that the carrier 14 moves to a station where the testing device 5 is located, the in-place detector 16 sends a signal to the controller, the controller controls the blocking mechanism 17 to block the carrier 14 to stop moving, the lifting positioning assembly 53 supports the carrier 14 to ascend and is abutted to the height limiting structure 54 for positioning, the workpiece pressing assembly 56 descends to press the valve core on the carrier 14, the detection head 55 moves to the bottom of the valve core, so that three air nozzles of the detection head 55 are respectively in sealed communication with a hot water cavity, a cold water cavity and a water outlet cavity at the bottom of the valve core, and the valve rod is driven by the valve rod driving assembly 57 to be in different use states, so that the air tightness of each use. Therefore, the accuracy and the efficiency of the air tightness detection can be improved.

The inkjet printer may be an inkjet printer disclosed in the prior art, and will not be described herein. The sorting robot 6 may have the same structure as the assembling robot 42.

The utility model discloses case automatic assembly line still includes frame 7 and sets up in the electric cabinet 8 of frame 7 one end, and circulation conveyor 1, first filling device 2, second filling device 3, assembly device 4, testing arrangement 5, ink jet numbering machine and letter sorting manipulator 6 all set up in frame 7. An inclined object placing plate 9 is arranged at the feeding and discharging station on the frame 7 for placing a material basket of the valve core component.

The utility model discloses case automatic assembly line still includes control system, and control system can adopt the PLC controller, the utility model discloses well driving piece and the detector of mentioning are connected with the PLC controller respectively to realize automated control.

The utility model discloses case automatic assembly line sets up first filling device 2 through following conveyor 1, second filling device 3, assembly device 4, testing arrangement 5, ink jet numbering machine and letter sorting manipulator 6 cooperate, can realize some part automatic spraying lubricating oil to the case, assemble in proper order to a plurality of case parts after the oil spout, carry out the gas tightness test to the case after the equipment, sort according to the gas tightness test result, carry again after spouting the sign indicating number to the case yields to go up the unloading station so that take off the case after spouting the sign indicating number. Only need alone go up unloading operation and can accomplish in last unloading station, the production processes of case can be accomplished simply, smoothly and swiftly to work process like this, realizes case automated production, effectively improves production efficiency, effectively guarantees product quality simultaneously, has promoted the yields by a wide margin, has reduced manufacturing cost, has good economic benefits.

The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only described in the preferred embodiments of the present invention, which are not limited to the concept and scope of the present invention, and various changes and modifications made by the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention all belong to the protection scope of the present invention.

Claims (10)

1. A circulating conveying device comprises a conveying frame (11) and is characterized by further comprising two sets of longitudinal conveying mechanisms (12), two sets of transverse conveying mechanisms (13), a plurality of carriers (14), turning guide structures (15) and two sets of longitudinal conveying mechanisms (12) which are respectively arranged on one opposite side of the conveying frame (11) in parallel, wherein the two sets of transverse conveying mechanisms (13) are respectively arranged on the other opposite side of the conveying frame (11) in parallel to form a square conveying track structure, the carriers (14) are born on the square conveying track structure for conveying and are used for placing and positioning a plurality of components of a valve core, and the turning guide structures (15) are arranged at each corner position of the square conveying track structure to guide the carriers (14) to turn.

2. The circulating conveying device according to claim 1, further comprising an in-position detector (16), a blocking mechanism (17) and a positioning component (18) which are arranged at intervals, so that the in-position detector (16) can detect whether the carrier (14) moves to the corresponding station and block the carrier (14) of the corresponding station for positioning.

3. The circulating conveying device according to claim 2, wherein the conveying frame (11) comprises a top frame (111) and a plurality of supporting legs (112) fixed to the top frame (111), the top frame (111) is a rectangular structure formed by four sides, each side of the top frame (111) comprises two supporting beams (113) arranged in parallel, and the blocking mechanism (17) and the positioning assembly (18) are respectively fixed to the supporting beams (113) and located between the two supporting beams (113) on the sides of the top frame (111).

4. The circulating conveying device according to claim 2, wherein the longitudinal conveying mechanism (12) comprises a driven wheel set (121), a transmission wheel set (122), two supporting guide strips (123), two conveying belts (124) and a conveying driving member (125), the driven wheel set (121) and the transmission wheel set (122) are respectively installed at two ends of the conveying frame (11), two sets of the supporting guide strips (123) are arranged and fixed on the conveying frame (11) in parallel, two conveying belts (124) are respectively wound on wheel bodies at two sides of the driven wheel set (121) and the transmission wheel set (122), a sliding groove extending along the length direction is formed in the supporting guide strips (123), an upstream section of each conveying belt (124) is slidably arranged in the sliding groove corresponding to the supporting guide strips (123), a guiding structure is arranged on the conveying frame (11), and a downstream section of each conveying belt (124) is slidably arranged in the guiding structure, the conveying driving piece (125) is fixed on the conveying frame (11) and used for driving the transmission wheel set (122) to rotate.

5. The endless conveyor according to claim 4, wherein said driven wheel group (121) comprises a driven wheel seat (1211) fixed on one end of the conveyor frame (11) and driven wheels (1212) rotatably mounted on both sides of the driven wheel seat (1211).

6. The circulating conveyor according to claim 4, characterized in that the transmission wheel set (122) comprises a transmission wheel seat (1221), a transmission wheel (1222) and a tension wheel (1223), the transmission wheel seat (1221) is fixed at one end of the conveyor frame (11), the transmission wheel (1222) is rotatably mounted at both sides of the transmission wheel seat (1221), the transmission wheel (1222) is driven to rotate by the conveying driving member (125), and two tension wheels (1223) arranged up and down are rotatably mounted on the transmission wheel seat (1221) above the transmission wheel (1222).

7. The circulating conveying device according to claim 4, wherein the carrier (14) comprises a carrier main body (141), a plurality of positioning seats (142) fixed on the upper surface of the carrier main body (141), and four guiding columns (143) arranged on the lower surface of the carrier main body (141), the lower surface of the carrier main body (141) is supported on the upper surfaces of the two conveying belts (124) arranged in parallel, so that the two conveying belts (124) can drive the carrier main body (141) to move by the friction force between the lower surface of the carrier main body (141) and the upper surfaces of the two conveying belts (124) when in operation, and the four guiding columns (143) are arranged outside each supporting guiding bar (123) in a sliding manner in pairs.

8. The endless conveyor according to claim 7, characterized in that said turn guide structure (15) comprises an inside guide (151), the carrier comprises outer side guide pieces (152) and transition plates (153), wherein the inner side guide pieces (151) are fixed on the inner side of a corner position of a conveying frame (11), guide grooves (150) are formed in the inner side guide pieces (151), the outer side guide pieces (152) are fixed on the outer side of the corner position of the conveying frame (11), each outer side guide piece (152) is provided with a horizontal plane (1522) which is located on the same plane with the upper surface of a conveying belt (124) and an inclined plane (1521) which is connected with the horizontal plane (1522), two guide columns (143) on the outer side of a carrier body (141) are elastically telescopic, and the transition plates (153) are used for filling and leveling the space between the two conveying belts (124) at the corner position so as to enable a supporting carrier (14) to pass through when the supporting.

9. The endless conveyor device according to claim 2, characterized in that said blocking mechanism (17) comprises a blocking drive member (171) and a blocking portion (172) fixed to the lifting end of the blocking drive member (171).

10. The circulating conveying device according to claim 4, wherein the positioning assembly (18) comprises a positioning driving member (181) and a positioning member (182), the positioning driving member (181) is fixedly arranged below the space between the two conveying belts (124), the positioning member (182) is arranged between the two conveying belts (124) in a lifting manner through the positioning driving member (181), and a positioning hole (1410) corresponding to the positioning member (182) is formed in the bottom of the carrier (14).

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