CN114290053A - Automatic assembling system and method for multi-way valve - Google Patents
Automatic assembling system and method for multi-way valve Download PDFInfo
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- CN114290053A CN114290053A CN202111682148.4A CN202111682148A CN114290053A CN 114290053 A CN114290053 A CN 114290053A CN 202111682148 A CN202111682148 A CN 202111682148A CN 114290053 A CN114290053 A CN 114290053A
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Abstract
The invention relates to the field of automatic assembly, in particular to an automatic assembly system of a multi-way valve, which comprises a turntable, wherein a valve core shaft feeding unit, an oil seal feeding unit and a sealing assembly feeding unit are sequentially arranged on the periphery of the turntable; the outer edge of the circumference of the rotary table is sequentially provided with a feeding station, a blanking station, a first press-mounting station, a second press-mounting station, an oil seal oiling station, a valve core assembly and sealing assembly mounting station, a valve body buckling station and an NG discharging station; and the rotary table is provided with a field-shaped rotary table jig for the stations respectively. A method of assembling a multi-way valve is also provided. This automatic assembly system of multi-ported valve utilizes annular assembly line to make whole assembly line compacter for get the material, assemble and go on simultaneously, improved the assembly efficiency of corresponding process greatly, and guaranteed the qualification rate of multi-ported valve, the assembly precision is high, and the defective rate is low, has saved a large amount of costs of labor.
Description
Technical Field
The invention relates to the field of automatic assembly, in particular to an automatic assembly line of a multi-way valve.
Background
The assembly that this scheme was directed at is a multi-way valve, as shown in fig. 1, this multi-way valve includes parts such as valve body, case axle, oil blanket, seal assembly, valve gap, and the assembly end still needs to test this multi-way valve's gas tightness, and whole assembling process is because the part is little and the assembly precision adopts manual mode always, but along with the promotion of market to this product demand, traditional production mode has not satisfied the production demand.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides an automatic assembling system and method for a multi-way valve, which solves the technical problems of low efficiency, poor precision and high fraction defective caused by manual multi-way valve assembling.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
in a first aspect, an embodiment of the invention provides an automatic multi-way valve assembling system, which comprises a rotary table, wherein a valve core shaft feeding unit, an oil seal feeding unit and a sealing assembly feeding unit are sequentially arranged on the periphery of the rotary table;
the outer edge of the circumference of the rotary table is sequentially provided with a feeding station, a blanking station, a first press-mounting station, a second press-mounting station, an oil seal oiling station, a valve core assembly, a sealing assembly mounting station and a valve body buckling station; the rotary table is provided with a field-shaped rotary table jig corresponding to the stations respectively;
the loading and unloading station is used for loading the valve body, the valve core and the valve cover to be assembled onto the turntable and unloading the assembled qualified multi-way valve;
the first press-fitting station is used for press-fitting a valve core shaft to the valve core from the feeding and blanking stations to obtain a valve core assembly; the first press-fitting station is arranged corresponding to the valve core shaft feeding unit, and the valve core shaft feeding unit feeds the valve core shaft to the first press-fitting station;
the second press-fitting station is used for press-fitting an oil seal to the valve body from the feeding and discharging stations to obtain a valve body assembly; the second press-fitting station is arranged corresponding to the oil seal feeding unit, and the oil seal feeding unit feeds the oil seal to the second press-fitting station;
the oil seal oiling station is used for oiling an oil seal on the valve body assembly which is from the second press mounting station and is subjected to oil seal press mounting and eccentrically overturning oiled valve body assembly;
the valve core assembly and sealing assembly mounting station is used for assembling the sealing assembly from the sealing assembly feeding unit, and successively mounting the valve core assembly from the first press-fitting station and the assembled sealing assembly to a valve cover on the turntable jig to obtain a valve cover assembly;
and the valve body buckling station is used for buckling a valve body assembly from the oil seal oiling station to a valve cover assembly positioned in the rotary disc jig so as to obtain the multi-way valve.
In a second aspect, an embodiment of the present invention provides an automated multi-way valve assembly method, including the following steps:
s10, feeding the valve body, the valve core and the valve cover;
s20, rotating the turntable to a first press-fitting station, and assembling the valve core shaft and the valve core;
s30, rotating the turntable to a second press-fitting station to assemble the oil seal and the valve body;
s40, rotating the turntable to an oil seal oiling station to perform oil seal oiling operation on the valve body assembly;
s50, rotating the turntable to a valve core assembly and sealing assembly mounting station, and mounting the valve core assembly and the sealing assembly to the valve cover;
s60, rotating the turntable to a valve body buckling station, and buckling and assembling the valve body assembly to the valve cover assembly;
and S60, transferring the turntable to an NG discharging station, and discharging defective products.
(III) advantageous effects
The invention has the beneficial effects that: the automatic assembly system of the multi-way valve realizes automation in the whole assembly process, the whole assembly line is more compact by utilizing the annular assembly line, and the positioning precision is high by combining auxiliary positioning devices such as a jig and the like to repeatedly position the assembly line during each stop. Meanwhile, the condition that the angle of the valve core assembly is not right, so that the subsequent assembly is not influenced is avoided, and the assembly precision is improved.
The invention utilizes the tooling jig and the auxiliary clamping structure to ensure that the valve cover is restrained in all directions, thereby being beneficial to buckling the valve body assembly.
The invention is provided with the annular assembly line, so that material taking and assembly are carried out simultaneously, and the assembly efficiency of corresponding procedures is greatly improved.
According to the invention, the detection device is utilized to perform air tightness detection on the valve core assembly after the valve core shaft is assembled, the valve body assembly after the oil seal and the multi-way valve finished product after the valve body assembly is buckled, the qualification rate of the multi-way valve is ensured, the integral production efficiency is greatly improved, the assembly precision is high, the reject ratio is low, and a large amount of labor cost is saved.
Drawings
FIG. 1 is a schematic illustration of the disassembly and assembly of the multi-way valve of the present invention;
FIG. 2 is a schematic top view of an automated multi-way valve assembly system provided by the present invention;
FIG. 3 is a perspective view of a turntable fixture of the multi-way valve automated assembly system according to the present invention;
FIG. 4 is a schematic perspective view of a first press-fitting station of the automated multi-way valve assembly system of the present invention;
FIG. 5 is a schematic perspective view of a second press-fitting station of the automated multi-way valve assembly system of the present invention;
FIG. 6 is a schematic perspective view of an oiling station of the automated multi-way valve assembly system provided by the present invention;
FIG. 7 is a schematic perspective view of a valve core assembly and seal assembly mounting station of the automated multi-way valve assembly system provided by the present invention;
FIG. 8 is a schematic perspective view of a valve body snap-fit station of the automated multi-way valve assembly system of the present invention.
[ description of reference ]
1: a valve body; 2: a valve core; 3: a valve cover; 4: oil sealing; 5: a spool shaft; 6: a seal ring; 7: a sealing block;
100: a turntable; 110: a turntable jig; 111: a valve body jig; 112: a valve core jig; 113: a valve cover jig; 114: a standby jig is used;
120: a valve core shaft feeding unit; 130: an oil seal feeding unit; 140: a feeding and discharging station; 150: a first press-fitting station; 160: a second press fitting station; 170: an oil seal oiling station; 180: a valve core assembly and seal assembly mounting station; 190: a valve body buckling station; 200: a seal ring feeding unit; 210: a sealing block feeding unit; 220: a first NG discharge station; 230: a second NG discharge station;
151: a valve core transplanting mechanism; 152: the valve core shaft rotates and is righted by the mechanism; 153: a valve core shaft flat side positioning mechanism; 154: a valve core shaft carrying mechanism; 155: a valve core shaft pressing mechanism;
161: a valve body carrying mechanism; 162: an oil seal carrying mechanism; 163: an oil seal extending mechanism; 164: an oil seal pressing mechanism;
171: a rotary carrying mechanism; 172: an oiling mechanism;
181: the valve core assembly is installed into the mechanism; 182: a sealing assembly transplanter; 183: a seal assembly transfer mechanism; 184: a seal assembly mounting mechanism; 185: a rectangular transfer frame;
191: a valve body assembly handling mechanism; 192: a seal assembly fixing mechanism; 193: valve core shaft fixing mechanism.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. In which the terms "upper", "lower", etc. are used herein with reference to the orientation of fig. 1.
Referring to FIG. 1, FIG. 1 illustrates the construction of a multi-way valve assembled by the automated multi-way valve assembly system of the present invention. The multi-way valve mainly comprises a valve body 1, a valve core 2 positioned in the valve body 1 and a valve cover 3 partially positioned in the valve body 1. Wherein, the bottom of the valve body 1 is provided with an oil seal 4; and sealing assemblies consisting of a sealing ring 6 and a sealing block 7 are respectively arranged around the valve core 2. In addition, a spool shaft 5 is press-fitted into the spool 2. The valve core shaft 5 is approximately cylindrical, and flat position structures are arranged at the upper end part and the lower end part of the valve core shaft; similarly, in the valve core 2, two end parts corresponding to the press-fitting position of the valve core shaft 5 are also provided with corresponding flat position structures, so that the valve core can be better driven to rotate when the valve core shaft rotates, and no unexpected relative motion is generated between the two. As described above, in the assembly of the multi-way valve, the above components are manually assembled to obtain a multi-way valve, which has low manual assembly efficiency, poor assembly precision and high fraction defective. In view of the above, the embodiment of the present invention provides an automatic multi-way valve assembling system, which includes a rotary table 100 capable of rotating in a clockwise direction and a rotary table fixture 110 fixedly disposed above the rotary table, wherein a spool shaft feeding unit 120, an oil seal feeding unit 130, and a seal assembly feeding unit are sequentially disposed around the rotary table 100. The circumferential outer edge of the turntable 100 is sequentially provided with a feeding and blanking station 140, a first press-fitting station 150, a second press-fitting station 160, an oil seal oiling station 170, a valve core assembly and sealing assembly mounting station 180, a valve body buckling station 190 and an NG discharging station. The sealing assembly feeding unit comprises a sealing ring feeding unit 200 and a sealing block feeding unit 210; the NG discharge station is further divided into a first NG discharge station 220 and a second NG discharge station 230. In the present exemplary embodiment, the first NG discharge station 220 will discharge the defective products from the first press-fitting station 150 and from the second press-fitting station 160, and the second NG discharge station will discharge the defective products from the valve body fastening station 190. The valve core shaft feeding unit 120 is arranged corresponding to the first press-fitting station 150 so as to feed the valve core shaft 5 to the first press-fitting station 150; the oil seal feeding unit 130 is disposed corresponding to the second press-fitting station 160 to feed the oil seal 4 to the second press-fitting station 160; the seal ring feeding unit 200 and the seal block feeding unit 210 are provided corresponding to the valve core assembly and seal assembly mounting station 180 to feed the seal ring 6 and the seal block 7 to the valve core assembly and seal assembly mounting station 180, respectively.
When the multi-way valve automatic assembly system is opened, the turntable 100 rotates clockwise, and the turntable jig 110 fixedly arranged above the turntable 100 can sequentially pass through the stations, so that the valve body 1, the valve core 2 and the valve cover 3 placed on the turntable jig 110 are assembled to obtain a qualified multi-way valve. Of course, those skilled in the art will understand that it is also possible to rotate the turntable 100 in the counterclockwise direction, and it is only necessary to adjust the corresponding station setting sequence and the corresponding setting of each feeding unit.
In this embodiment, the valve body 1, the valve core 2, and the valve cap 3 to be assembled may be manually placed on the loading and unloading station 140 on the turntable jig 110, and then the multi-way valve automatic assembly system provided in this embodiment is manually opened, so that the turntable 100 starts to rotate and sequentially passes through each of the stations. After completing a rotation of 360 degrees, the assembled and qualified multi-way valve will be discharged from the feeding and discharging station 140.
The rotary table 100 rotates to drive the valve body 1, the valve core 2 and the valve cover 3 placed on the rotary table jig 110 to first go to a first press-fitting station 150, where the press-fitting of the valve core 2 and the valve core shaft 5 from the valve core shaft feeding unit 120 is completed to obtain the valve core assembly. Before press fitting, the valve core 2 is transplanted from the rotary table jig 110 to the station jig of the first press fitting station 150, and after the station jig completes press fitting of the valve core shaft, the valve core assembly is transplanted back to the rotary table jig 110 to rotate to the next station along with the rotary table 100.
The turntable 100 continues to rotate to arrive at the second press-fitting station 160, at which the oil seal 4 from the oil seal feeding unit 130 and the valve body 1 are pressed to obtain a valve body assembly, and similarly, the valve body assembly is transplanted from the turntable jig 110 to the station jig of the second press-fitting station 160 before press-fitting, and after press-fitting, the valve body assembly also returns to the turntable jig 110 to rotate to the next station along with the turntable 100.
At the oil seal oiling station 170, the oil seal 4 of the valve body assembly is oiled, and the oiled valve body assembly is still placed on the turntable jig 110 after being turned over for 180 degrees and rotates to the next station along with the turntable 100.
Subsequently, two assembly processes, namely, the assembly of the valve core assembly to the valve cover 3 and the assembly of the sealing assembly to the valve cover 3, are completed at the valve core assembly and sealing assembly mounting station 180. The assembly of the valve core assembly to the valve cover 3 is to place the valve core assembly in the valve cover 3 which is located on the turntable jig 110 and rotates with the turntable 100. The assembly of the sealing assembly to the valve cap 3, specifically, the sealing ring 6 and the sealing block 7 from the sealing ring feeding unit 200 and the sealing block feeding unit 210 respectively are assembled into the sealing assembly, and are also placed at corresponding positions of the valve cap 3 in the turntable jig 110. It should be particularly noted that the valve cap 3 is always located on the turntable jig 110 in the whole assembling process, that is, after the valve cap 3 is loaded to the turntable 100 at the loading and unloading station 140, the position and/or posture of the valve cap 3 does not need to be changed, so that the assembling precision and efficiency are ensured.
Then, the rotary table 100 continues to rotate, and at this time, the assembly of the valve core assembly and the sealing assembly is completed on the valve cover 3 of the rotary table jig 110, and the assembly arrives at the valve body fastening station 190. At the station, the valve body assembly which is also positioned on the turntable jig 110 is buckled on the valve cover 3, so that the assembly of the multi-way valve is completed, and a finished product is obtained.
At this point, the rotary table 100 is still rotated again, carrying the multi-way valve on the rotary table fixture 110, or possibly the defective valve core assembly from the first press-fitting station 150, or the defective valve body assembly from the second press-fitting station 160, to the first NG discharge station 220, where the defective valve core assembly and the defective valve body assembly are discharged. The carousel 100 continues to rotate to the second NG discharge station 230 where the multi-way valve rejects from the valve body snapping station 190 will be discharged. Of course, there may be no defective product, and the turntable 100 is rotated to the loading and unloading station 140 to unload the multi-way valve.
The defective product referred to herein may come from the first press-fitting station 150, the second press-fitting station 160, or the valve body fastening station 190. In the above three stations, a defective detection mechanism is provided, which may be a pressure sensor in the present exemplary embodiment. The pressure sensor can carry out pressure detection and feed back to the controller to case subassembly, valve body subassembly, the multi-ported valve after the assembly, the controller can carry out the comparison to the pressure value that receives and set value, if the pressure value is not in the set value scope, then the controller will make the judgement of defective products, and send the instruction to the corresponding operating device of follow-up station, in follow-up station, no longer carry out any operation to this defective products, the defective products will rotate along with carousel 100 in carousel tool 110, treat that carousel 100 changes to corresponding NG and arrange the material station and discharge.
In the process that the rotary disc 100 completely rotates for one circle, the valve cap 3 is always located in the rotary disc jig 110 after being fed to the rotary disc jig 110, and the position and the posture of the valve cap 3 do not need to be changed or adjusted, even if the valve core assembly and the sealing assembly are mounted on the valve cap 3 or the valve body assembly is finally fastened to the valve cap 3, the valve cap 3 is completed in the rotary disc jig 110. The advantage of this arrangement is that the assembly of the valve core assembly to the valve cover 3 and the assembly of the sealing assembly to the valve cover 3, which are completed at the valve core assembly and sealing assembly mounting station 180, are not in a completely fixed state on the valve cover 3, and may fall off the valve cover 3 due to the change of the position of the valve cover 3. Valve gap 3 remains throughout in carousel tool 110 in the whole assembly process of multi-ported valve, on the one hand, can ensure that its assembly position is accurate and fixed, and on the other hand, the valve core subassembly and the seal assembly that make assembly to valve gap 3 just can not take place unexpected the droing, influence multi-ported valve assembly efficiency, cause the appearance of defective products.
The automatic multi-way valve assembling system provided by the embodiment has the advantages that the whole assembling process is automatically operated, the automation of multi-way valve assembling is realized, the assembling efficiency is high, and the reject ratio is low. The whole assembly line is more compact by utilizing the annular assembly line; and material loading, unloading, assembly go on simultaneously, have improved the assembly efficiency of corresponding process greatly.
The specific assembling operation of each station will be described in detail below.
Rotary table 100
As described above, 8 stations are provided at equal intervals along the circumferential outer edge of the turntable 100, and the turntable jig 110 is fixedly provided corresponding to each station. In the present embodiment, the turntable jig 110 includes a valve body jig 111, a valve core jig 112 and a valve cover jig 113 for respectively placing the valve body 1, the valve core 2 and the valve cover 3, and a spare jig 114; the valve body jig 111, the valve core jig 112, the valve cover jig 113 and the standby jig 114 form a rectangular turntable jig 110, wherein the valve body jig 111 and the standby jig 114 are adjacently arranged left and right, and a valve body assembly oiled by the oil seal oiling station 170 is eccentrically turned over for 180 degrees by a state placed on the valve body jig 111 and then placed on the standby jig 114, so that preparation is made for buckling the valve body assembly to be carried out on the valve cover assembly. As will be explained in detail below. The turntable 100 is supported by a table below it.
Feeding and blanking station 140
At the loading and unloading station 140, an operator places the valve body 1, the valve core 2 and the valve cover 3 to be assembled on the turntable jig 110 at the station, and the turntable jig 110, the valve core jig 112 and the valve cover jig 113 are respectively and correspondingly placed in the valve body jig 111, the valve core jig 112 and the valve cover jig 113 of the turntable jig 110. Taking the direction shown in fig. 1 as an example, the valve body 1 is placed on the valve body fixture 111 in an inverted state. In this embodiment, the setting of all jigs is favorable to the accurate positioning of valve body 1, case 2 and valve gap 3, conveniently assembles the operation to it. The in-place sensors are arranged on the feeding station 140 and the discharging station 140, so that whether corresponding to-be-assembled structures exist in corresponding jigs or not and whether the placing positions are correctly detected or not can be detected, and if the jigs are empty or the corresponding to-be-assembled structures are incorrectly placed, the multi-way valve automatic assembly system provided by the embodiment cannot start assembly work. After the operator finishes loading, the multi-way valve automated assembly system is turned on, and in this embodiment, the turntable 100 starts to rotate clockwise.
First press-fitting station 150
The first press-fitting station 150 is used for press-fitting the valve element 2 and the valve element shaft 5, and is arranged on the rotary table 100 and adjacent to the feeding and discharging station 140 and the second press-fitting station 160 respectively. And corresponding to the first press-fitting station 150, a valve core shaft feeding unit 120 is disposed on the circumferential outer side of the rotary table 100, and the valve core shaft in the horizontal state is fed to the first press-fitting station 150 by the valve core shaft feeding unit 120. As shown in fig. 1, the valve core shaft 5 is press-fitted into the valve core 2 in a vertical state, the valve core shaft 5 is integrally cylindrical, two end portions of the valve core shaft are respectively provided with a flat port, and meanwhile, the inside of the valve core 2 corresponding to the flat port is also provided with a corresponding flat port structure, so that when the valve core shaft 5 rotates in the valve core 2, the valve core can be better driven to rotate by ensuring the rotation of the valve core shaft, and the relative slipping is avoided
The first press-fitting station 150 is provided with a spool transplanting mechanism 151, a spool shaft rotation and alignment mechanism 152, a spool shaft flat side positioning mechanism 153, a spool shaft carrying mechanism 154 and a spool shaft pressing mechanism 155.
After the valve core 2 loaded at the loading and unloading station 140 rotates to the first press-fitting station 150 along with the rotary table 100 in the rotary table jig 110, the valve core transplanting mechanism 151 transplants the valve core 2 from the rotary table jig 110 onto the station jig of the first press-fitting station 150, and after the valve core shaft 5 is press-fitted to the valve core 2 to form a valve core assembly, transplants the valve core assembly back to the rotary table jig 110 again.
The valve core shaft 5 in the horizontal state is loaded to the first press-fitting station 150 by the valve core shaft loading unit 120, the valve core shaft carrying mechanism 154 sends the valve core shaft 5 to the valve core shaft rotation and alignment mechanism 152, and after the valve core shaft 5 in the horizontal state enters the valve core shaft rotation and alignment mechanism 152, the valve core shaft rotation and alignment mechanism 152 drives the valve core shaft 5 to rotate, so that the valve core shaft 5 rotates from the horizontal state to the vertical state; the valve core shaft 5 in the vertical state is delivered to the valve core shaft flat side positioning mechanism 153, and the valve core shaft flat side positioning mechanism 153 aligns the position of the valve core shaft 5 in the vertical state, so that the flat position at the end of the valve core shaft 5 corresponds to the flat position structure inside the valve core 2 to be assembled, and the valve core shaft 5 is conveniently pressed into the valve core 2. Specifically, the flat side positioning mechanism 153 of the spool shaft is driven by the rotating motor at the bottom thereof to drive the spool shaft 5 to rotate around the axis of the spool shaft, and in the process, the position sensor arranged on the flat side positioning mechanism 153 of the spool shaft can detect in real time until the spool shaft 5 rotates in place.
Then, the valve core shaft pressing mechanism 155 descends to grab the valve core shaft 5 and ascends back, and after all mechanisms which are located below the valve core shaft pressing mechanism 155 and possibly influence the press-fitting of the valve core shaft 5 to the valve core 2 retract, the valve core shaft pressing mechanism 155 drives the valve core shaft 5 to descend to the valve core 2 again and press-fit in place, and the assembly of the valve core assembly is completed.
A pressure sensor is arranged on a pressure head of the valve core shaft pressing mechanism 155 to detect the pressure of the valve core assembly obtained after the valve core shaft 5 is pressed, the detected value is fed back to a controller (not shown), the controller judges whether the detected value is within a set value range, if the detected value is not within the set value range, the controller judges that the valve core assembly is defective, and the valve core assembly is discharged from a subsequent NG discharging station.
After the detection is completed, the valve core transplanting mechanism 151 transplants the valve core assembly from the station jig to the rotary disc jig 110, and the rotary disc 100 rotates one station again.
If the valve core assembly is determined to be a defective product, after the valve core transplanting mechanism 151 transplants the valve core assembly from the station jig to the rotary disc jig 110, the defective valve core assembly is simply moved to the NG discharging station along with the rotary disc 100 to be discharged.
Second press-fitting station 160
The second press-fitting station 160 is used for press-fitting of the valve body 1 and the oil seal 4 to obtain a valve body assembly. Corresponding to the second press-fitting station 160, the oil seal feeding unit 130 is provided on the circumferential outer side of the turntable 100.
The second press-fitting station 160 is provided with a valve body conveying mechanism 161, an oil seal conveying mechanism 162, an oil seal extending mechanism 163, and an oil seal pressing mechanism 164.
Taking the direction shown in fig. 1 as an example, at this time, the valve body 1 to be press-fitted is placed upside down on the turntable jig 110, the valve body carrying mechanism 161 carries the valve body 1 to be press-fitted to the station jig on the second press-fitting station 160 from the turntable jig 110 in a manner that the posture of the valve body 1 is not changed, the oil seal 5 is press-fitted into the valve body 1 from the upper portion of the valve body 1, after the press-fitting is completed to obtain a valve body assembly, the valve body carrying mechanism 161 carries the valve body assembly again from the station jig of the second press-fitting station 160 in a manner that the posture of the valve body assembly is not changed, and the rotary disc jig 110 is carried again.
Specifically, the oil seal charging unit 130 feeds the oil seal 4 to a specified position, which in this embodiment can be understood as a position where the oil seal is temporarily stored at the second press-fitting station 160; afterwards, oil blanket transport mechanism 162 carries oil blanket 4 to oil blanket extension mechanism 163, and oil blanket extension mechanism 163 snatchs oil blanket 4 and stretches out oil blanket 4 to oil blanket hold-down mechanism 164 below, and oil blanket hold-down mechanism 164 descends to promote the oil blanket 4 after this cluster was got after getting 4 clusters of oil blanket to oil blanket extension mechanism 163 contracts to its initial position, then oil blanket hold-down mechanism 164 takes oil blanket 4 to descend once more and pressure equipment to being in this oil blanket 4 below of treating the pressure equipment, inside the valve body 1 on the station tool, obtain the valve body subassembly.
Similarly, a pressure sensor is arranged on a pressure head of the oil seal pressing mechanism 164, pressure detection is performed on the valve body assembly obtained after oil seal pressing, the detected value is fed back to a controller (not shown), the controller judges whether the detected value is within a set value range, if the detected value is not within the set value range, the detected value is determined to be a defective product, and after the rotary disc jig 110 is transplanted, the rotary disc jig is rotated to a subsequent NG discharging station along with the rotary disc 100 and discharged, and subsequent assembly operation is not performed. If the valve body assembly is qualified, the valve body assembly is transplanted to the rotary disc jig 110 and then is transferred to the next station along with the rotary disc 100 for subsequent assembly operation.
Oil seal oiling station 170
The oil seal oiling station 170 is used for oil seal oiling of the valve body 1 which is subjected to oil seal press fitting and is obtained from the second press fitting station 160. The station is provided with a rotary conveyance mechanism 171 and an oiling mechanism 172.
After the valve body assembly leaves the second press-fitting station 160, the valve body assembly rotates on the turntable jig 110 to the oil seal oiling station 170 along with the turntable 100, the rotary carrying mechanism 171 grabs the valve body assembly on the turntable jig 110, and the rotary carrying mechanism 171 rotates to translate the valve body assembly to the station jig of the oiling mechanism 172; the station tool of the oiling mechanism 172 is driven by the rotating motor to rotate 360 degrees at least, and 720 degrees can be rotated as required, so that the valve body assembly placed on the station tool rotates at least one circle relative to the spray head above the valve body assembly, and oil seal oiling is completed. The rotary handling mechanism 171 again picks up the oiled valve assembly and turns it over by 180 degrees to place the valve assembly in the orientation shown in fig. 1 on the spare jig 114 on the turntable jig 110. That is, before the oil coating operation is performed on the valve body 1 or the valve body assembly, the valve body fixture 111 is placed on the turntable fixture 110 in a posture opposite to the valve body direction shown in fig. 1 when the valve body 1 or the valve body assembly is on the turntable fixture 110; after the oiling operation is completed, the valve body assembly is turned over by 180 degrees, and then placed on the spare jig 114 adjacent to the valve body jig 111 in the left-right direction in the valve body direction shown in fig. 1, and then rotated with the turntable 100 to the next station.
Spool assembly and seal assembly installation station 180
At the valve core assembly and sealing assembly mounting station 180, the sealing assembly from the sealing assembly feeding unit is assembled, and the valve core assembly from the first press-fitting station 150 and the assembled sealing assembly are sequentially mounted on the valve cover 3 located on the rotary table jig 110 from the feeding and discharging station to obtain the valve cover assembly.
Corresponding to the station, a sealing assembly feeding unit is arranged on the axial outer side of the turntable 100, and the sealing assembly feeding unit comprises a sealing ring feeding unit 200 and a sealing block feeding unit 210, namely, the sealing ring 6 and the sealing block 7 are respectively and independently fed to the valve core assembly and sealing assembly mounting station 180, and in the feeding process, the sealing ring 6 and the sealing block 7 are horizontally placed.
In addition, a valve core assembly installing mechanism 181, a sealing assembly transplanting mechanism 182, a sealing assembly transfer mechanism 183, a sealing assembly installing mechanism 184 and a rectangular transfer frame 185 are arranged at the valve core assembly and sealing assembly installing station 180.
At this time, the valve core assembly and the valve cap 3, which rotate with the turntable 100, are respectively located on the valve core fixture 112 and the valve cap fixture 113 of the turntable fixture 110. The valve core component installing mechanism 181 grabs the valve core component on the valve core jig 112 and places the valve core component in the valve cover 3 on the valve cover jig 113. Meanwhile, the seal assembly transplanting mechanism 182 respectively grabs the seal ring 6 and the seal block 7, assembles the two, and places the seal ring and the seal block in the seal assembly transfer mechanism 183 after the assembly is completed, and at this time, the assembled seal assembly is still in a horizontal state. The seal assembly transfer mechanism 183 is also provided with a rotary clamping cylinder which can turn the seal assembly in the horizontal state by 90 degrees so that the seal assembly is in the vertical state as shown in fig. 1, then place the seal assembly on one side of the rectangular transfer frame 185 in the left-right direction, then grab the next assembled seal assembly, turn over, and place the seal assembly on the other side of the rectangular transfer frame 185 in the left-right direction, where 180 degrees of rotation has been completed in the horizontal plane at this time. Subsequently, the sealing member mounting mechanism 184 grasps the pair of sealing members and places them to both sides of the bonnet 3 on the bonnet jig 113 in the left-right direction. After the sealing member mounting mechanism 184 captures a pair of sealing members in the left-right direction of the rectangular transferring frame 185, the rectangular transferring frame 185 has completed transferring and placing the second group of sealing members, at this time, the sealing member mounting mechanism 184 again captures the second group of sealing members, and after horizontally rotating by 90 degrees, places the second group of sealing members on the front and rear sides of the bonnet 1, thereby completing the placement of the sealing members on the front, rear, left, and right sides of the bonnet 3 as shown in fig. 1.
After the valve core assembly and the sealing assembly are successively placed, the valve cover 3 still rotates to the next station along with the rotary table 100 in the valve cover jig 113. It should be noted in particular that during the above operations, the valve cover 3 does not change its position or attitude all the way through, so as to ensure precise positioning and efficient performance of all the assembly processes.
Valve body buckling station 190
The valve body buckling station 190 is used for buckling the valve body assembly obtained through the second press-fitting station 160 to the valve cover 3 obtained through the valve core assembly and sealing assembly mounting station 180, so that a multi-way valve finished product is obtained.
The valve body buckling station 190 is provided with a valve body assembly carrying mechanism 191, a sealing assembly fixing mechanism 192 and a valve core shaft fixing mechanism 193; the valve body assembly carrying mechanism 191 carries the valve body assembly to the upper part of the valve cover and descends to fasten the valve body assembly to the valve cover 3; before the descending process starts, firstly, the valve core shaft fixing mechanism 193 fixed on the rotary table 100 fixes the valve core shaft 5 at the correct position, specifically, the sealing component fixing mechanism 192 extends out from the left, right, front and back directions of the valve cover 3 to temporarily fix the sealing component, then the clamping jaw is driven by an extending cylinder to extend out to clamp the valve core shaft 5 in the valve core component inside the valve cover 3, the posture of the valve core shaft 5 is corrected, and the valve core shaft 5 is ensured to be in a vertical state, so that the valve body component can be smoothly buckled. After the posture correction is completed, the holding jaw is retracted away from the spool shaft 5 along with the extension cylinder, and the seal assembly is still fixed on the valve cover 3 by the seal assembly fixing mechanism 192. The sealing assembly fixing mechanism 191 applies force to the inside of the valve cover 3 in the radial direction of the valve cover 3 from the outside of the valve cover 3 in the horizontal direction, respectively, to hold the sealing assembly in its corresponding position.
When the valve body assembly begins to drop with the valve body assembly handling mechanism 191 to snap, the poppet shaft securing mechanism 193 securing the poppet shaft 5 is first retracted while the seal assembly securing mechanism 192 remains secured to the seal assembly.
When the valve body assembly is lowered to half of the height of the sealing assembly, namely the lower end of the valve body assembly covers about half of the sealing assembly, the sealing assembly fixing mechanism 192 is retracted, so that the valve body assembly can continuously descend and be buckled in place, and the multi-way valve is assembled.
The valve body assembly carrying mechanism 191 drives the valve body assembly to descend and is buckled to the valve cover 3, a pressure sensor is arranged on a pressure head of the valve body assembly carrying mechanism to detect the pressure of the multi-way valve finished product after the valve body assembly is buckled, detected numerical values are fed back to a controller, the controller judges whether the detected values are within a range of set values, if the detected values are not within the range of the set values, the detected values are judged to be defective products, and the defective products are discharged from a subsequent NG material discharging station.
NG discharging station
The NG discharging station is used for discharging unqualified valve core assemblies from the first press-fitting station 150, unqualified valve body assemblies from the second press-fitting station 160 and unqualified multi-way valves from the valve body buckling station 190; the unqualified valve core assembly, the valve body assembly and the multi-way valve can be collectively called as unqualified products.
The NG discharge stations include a first NG discharge station 220 and a second NG discharge station 230 arranged in sequence on the circumferential outer edge of the turntable 100. Wherein, first NG arranges the material station and adjacent setting of above-mentioned valve body lock station 190 for discharge unqualified case subassembly and unqualified valve body subassembly. The second NG discharge station is then used to discharge the off-spec multiport valves.
After the second NG discharging station 230, the rotary table 100 continues to rotate to the feeding and discharging station 140 to complete a circle of rotation and a set of assembling process, at this time, the multi-way valve still placed on the valve cover jig 113 of the rotary table jig 110 is a qualified product, the multi-way valve is taken down from the feeding and discharging station 140 by an operator, and the next round of valve body 1, valve core 2 and valve cover 3 to be assembled is placed to start a new round of automatic assembling.
This automatic assembly system of multi-ported valve, whole assembling process has realized the automation, utilize the ring assembly line to make whole assembly line compacter, and material loading and unloading station 140 are provided with the sensor that targets in place, treat the valve body 1 of assembling promptly from the initial of assembly, case 2 and valve gap 3 detect that targets in place, and through setting up the station tool, valve gap tool etc., can ensure valve body 1, case 2 and valve gap 3 are at its correct position of treating the assembly, need not before each process adjusting position repeatedly, the assembly precision is guaranteed and assembly efficiency is high. And, having set up detection device and having carried out the gas tightness and detect to the multi-way valve finished product after valve core subassembly, the valve body subassembly behind the oil blanket behind every assembly valve core axle and the valve body lock, guaranteed the qualification rate of multi-way valve, effectively reduced the defective rate, and saved a large amount of cost of labor.
For a better understanding of the above technical solution, the workflow of the above multi-way valve automatic assembling system will be described in detail with reference to the accompanying drawings. It should be understood that they are not intended to be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The automatic assembly method of the multi-way valve provided by the embodiment comprises the following steps:
s10, feeding the valve body, the valve core and the valve cover;
s20, rotating the turntable 100 to a first press-fitting station 150, and press-fitting the valve core shaft 5 and the valve core 2 to obtain a valve core assembly;
s30, rotating the turntable 100 to a second press-fitting station 160, and carrying out press-fitting on the oil seal 4 and the valve body 1 to obtain a valve body assembly;
s40, rotating the turntable 100 to an oil seal oiling station 170 to perform oil seal oiling operation on the valve body assembly;
s50, rotating the rotary table 100 to a valve core assembly and sealing assembly mounting station 180, and assembling the valve core assembly to the valve cover 3 and the sealing assembly to the valve cover 3;
s60, rotating the turntable 100 to a valve body buckling station 190, and buckling and assembling the valve body assembly to the valve cover 3 to obtain a multi-way valve finished product;
and S60, rotating the turntable 100 to an NG discharging station, and discharging unqualified valve core assemblies, valve body assemblies and multi-way valve finished products.
Wherein, after the step S20, the method further comprises the step
S21, performing pressure detection on the valve core assembly after the valve core shaft is assembled, judging that the valve core assembly is unqualified when abnormal force is detected, and transplanting the valve core assembly back to the rotary table 100 without performing subsequent assembly operation;
after the step S30, the method further includes the step
S31, carrying out pressure detection on the valve body assembly subjected to oil seal press mounting, judging that the valve body assembly is unqualified when abnormal force is detected, and transplanting the valve body assembly back to the turntable 100 without carrying out subsequent assembly operation;
after the step S60, the method further includes the step
And S61, performing pressure detection on the multi-way valve finished product, and judging that the multi-way valve finished product is unqualified when abnormal force is detected.
According to the automatic assembly method of the multi-way valve, the whole assembly process is automated, and the assembly efficiency of corresponding procedures is greatly improved. The multi-way valve after valve core, the valve body assembly behind the oil blanket and the valve gap subassembly lock behind the valve core axle after utilizing pressure measurement device to assemble every carries out the gas tightness and detects, has guaranteed the qualification rate of multi-way valve, and whole production efficiency improves greatly, and the assembly precision is high, and at the bottom of the defective rate, and has saved a large amount of costs of labor.
Specifically, the automatic assembly method comprises the following operation flows:
manually installing the valve body, the valve core and the valve cover into the rotary disc jig, detecting whether the corresponding valve body, the corresponding valve core or the corresponding valve cover is in place in the rotary disc jig by the in-place sensor, pressing a start button, moving the rotary disc to a first press-fitting station, carrying the valve core to the first press-fitting station, and completing press-fitting of the valve core shaft to the valve core at the first press-fitting station to obtain the valve core assembly. And at the second press-fitting station, the valve body is conveyed to the second press-fitting station, so that the press-fitting of the oil seal is completed, and the valve body assembly is obtained. Then the carousel drives this case subassembly, valve body subassembly and valve gap and rotates to the oil blanket fat liquoring station, and at this station, after accomplishing the fat liquoring of valve body subassembly oil blanket, the valve body subassembly is placed the reserve tool in the carousel tool by 180 degrees of eccentric upset to follow-up with valve body subassembly lock to the valve gap on. The turntable rotates to a valve core assembly and sealing assembly mounting station, and the sealing ring and the sealing block which are respectively fed to the station are assembled into a sealing assembly; meanwhile, the valve core assembly is installed inside the valve cover located on the turntable jig, the formed sealing assembly is divided into two times, and the sealing assembly is installed to the left side, the right side, the front side and the rear side in the circumferential direction of the valve cover in a mode of installing a pair of sealing assemblies at each time, so that the valve cover assembly is obtained. And at the moment, the rotating disc rotates to the valve body buckling station again, the valve body assembly is buckled to the valve cover assembly from the upper part of the valve cover assembly, the sealing assembly is fixed in the buckling process, when the valve body assembly is buckled to the half height position of the sealing assembly on the valve cover assembly, the sealing assembly fixing mechanism for fixing the sealing assembly retracts, the valve body assembly continues to descend until the buckling is finished, and a final multi-way valve finished product is obtained.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (10)
1. The automatic multi-way valve assembling system comprises a rotary table, and is characterized in that a valve core shaft feeding unit, an oil seal feeding unit and a sealing assembly feeding unit are sequentially arranged on the periphery of the rotary table;
the outer edge of the circumference of the rotary table is sequentially provided with a feeding station, a blanking station, a first press-mounting station, a second press-mounting station, an oil seal oiling station, a valve core assembly, a sealing assembly mounting station and a valve body buckling station; the rotary table is provided with a field-shaped rotary table jig corresponding to the stations respectively;
the loading and unloading station is used for loading the valve body, the valve core and the valve cover to be assembled to the turntable jig on the turntable and unloading the assembled qualified multi-way valve;
the first press-fitting station is used for press-fitting a valve core shaft to the valve core from the feeding and blanking stations to obtain a valve core assembly; the first press-fitting station is arranged corresponding to the valve core shaft feeding unit, and the valve core shaft feeding unit feeds the valve core shaft to the first press-fitting station;
the second press-fitting station is used for press-fitting an oil seal to the valve body from the feeding and discharging stations to obtain a valve body assembly; the second press-fitting station is arranged corresponding to the oil seal feeding unit, and the oil seal feeding unit feeds the oil seal to the second press-fitting station;
the oil seal oiling station is used for oiling an oil seal on the valve body assembly which is from the second press mounting station and is subjected to oil seal press mounting and eccentrically overturning oiled valve body assembly;
the valve core assembly and sealing assembly mounting station is used for assembling the sealing assembly from the sealing assembly feeding unit, and successively mounting the valve core assembly from the first press-fitting station and the assembled sealing assembly to a valve cover on the turntable jig to obtain a valve cover assembly;
and the valve body buckling station is used for buckling a valve body assembly from the oil seal oiling station to a valve cover assembly positioned in the rotary disc jig so as to obtain the multi-way valve.
2. The automated multi-way valve assembly system of claim 1,
the first press-fitting station is provided with a valve core transplanting mechanism, a valve core shaft rotating and aligning mechanism, a valve core shaft flat side positioning mechanism and a valve core shaft pressing mechanism;
the valve core transplanting mechanism is used for transplanting the valve core from the rotary table jig to the first press fitting station and moving the press-fitted valve core assembly back to the rotary table jig;
the valve core shaft rotating and straightening mechanism is used for rotating the valve core shaft in the horizontal state, which is fed by the valve core shaft feeding unit, to the vertical state;
the valve core shaft flat side positioning mechanism is used for enabling the valve core shaft in a vertical state to rotate around the axis of the valve core shaft so as to enable the flat position of the valve core shaft to be aligned with the flat position of the valve core to be pressed;
the valve core shaft pressing mechanism is used for pressing the aligned valve core shaft to the valve core to obtain the valve core assembly.
3. The automated multi-way valve assembly system of claim 1,
the second press-fitting station is provided with a valve body carrying mechanism, an oil seal extending mechanism and an oil seal pressing mechanism;
the valve body carrying mechanism is used for carrying a valve body to be subjected to oil seal press fitting from the rotary disc jig to the second press fitting station, and carrying a rotary disc jig from the second press fitting station for a valve body assembly subjected to oil seal press fitting;
the oil seal extending mechanism is used for extending the oil seal to the lower part of the oil seal pressing mechanism,
the oil seal pressing mechanism enables the oil seal to be serially taken, the oil seal after serial taking is lifted, and the lifted oil seal is pressed downwards to the valve body to be oil sealed to obtain the valve body assembly.
4. The automated multi-way valve assembly system of claim 1,
the field-shaped turntable jig comprises a valve body jig, a valve core jig, a valve cover jig and a standby jig; the valve body jig and the standby jig are arranged adjacently left and right; the spare jig is used for placing the valve body assembly after eccentric overturning, and the valve body assembly is the valve body assembly after oil coating is completed at the oil seal oil coating station.
5. The automated multi-way valve assembly system of claim 1,
the sealing assembly comprises a sealing block and a sealing ring;
the valve core assembly and sealing assembly mounting stations are provided with a valve core assembly loading mechanism, a sealing assembly transplanting mechanism, a sealing assembly transfer mechanism, a sealing assembly mounting mechanism and a rectangular transfer frame;
the valve core assembly installing mechanism is used for installing the valve core assembly into a valve cover of the rotary disc jig;
the sealing component transplanting mechanism is used for grabbing the sealing ring and the sealing block, assembling the sealing ring and the sealing block, and placing the sealing block and the sealing block in the sealing component transferring mechanism after the assembly is completed;
the sealing assembly transfer mechanism is used for overturning the sealing assembly at 90 degrees to enable the sealing assembly to be in a vertical state and then placing the sealing assembly on two opposite sides of the rectangular transfer frame in the left-right direction;
the sealing component mounting mechanism places the sealing component placed on the rectangular transfer frame on the valve cover to obtain a valve cover component.
6. The automated multi-way valve assembly system of claim 1,
the valve body buckling station is provided with a valve body carrying mechanism and a sealing assembly fixing mechanism;
the valve body carrying mechanism is used for carrying the valve body assembly to the upper part of the valve cover assembly and descending and buckling the valve body assembly to the valve cover assembly;
the sealing assembly fixing mechanism extends out from the valve cover assembly in four directions of left and right as well as front and back to fix the sealing assembly during the descending process of the valve body assembly.
7. The automated multi-way valve assembly system of claim 1,
the device also comprises an NG discharging station arranged between the valve body buckling station and the feeding and discharging station;
the NG discharging stations comprise a first NG discharging station and a second NG discharging station which are arranged in sequence;
the first NG discharging station is used for discharging unqualified valve core assemblies from the first press fitting station and unqualified valve cover assemblies from the second press fitting station;
the second NG discharging station is used for discharging unqualified multi-way valves from the valve body buckling station;
and if the pressure sensor detects that the force is abnormal, the pressure sensor judges that the pressure sensor is unqualified.
8. The automated multi-way valve assembly system of claim 1,
still include the workstation, the carousel set up in the workstation top.
9. The method of assembling an automated multi-way valve assembly system according to any one of claims 1-8, comprising the steps of:
s10, feeding the valve body, the valve core and the valve cover;
s20, rotating the turntable to a first press-fitting station, and assembling the valve core shaft and the valve core;
s30, rotating the turntable to a second press-fitting station to assemble the oil seal and the valve body;
s40, rotating the turntable to an oil seal oiling station to perform oil seal oiling operation on the valve body assembly;
s50, rotating the turntable to a valve core assembly and sealing assembly mounting station, and mounting the valve core assembly and the sealing assembly to the valve cover;
s60, rotating the turntable to a valve body buckling station, and buckling and assembling the valve body assembly to the valve cover assembly;
and S60, transferring the turntable to an NG discharging station, and discharging defective products.
10. The assembly method of claim 9, wherein:
after the step S20, the method further includes the step
S21, performing pressure detection on the valve core assembly after the valve core shaft is assembled, and judging that the valve core assembly is unqualified when abnormal force is detected;
after the step S30, the method further includes the step
S31, carrying out pressure detection on the valve body assembly subjected to oil seal, and judging that the valve body assembly is unqualified when abnormal force is detected;
after the step S60, the method further includes the step
And S61, performing pressure detection on the buckled multi-way valve, and judging that the multi-way valve is unqualified when abnormal force is detected.
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| CN202111682148.4A CN114290053B (en) | 2021-12-31 | 2021-12-31 | Automatic assembly system and assembly method for multi-way valve |
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| CN202111682148.4A CN114290053B (en) | 2021-12-31 | 2021-12-31 | Automatic assembly system and assembly method for multi-way valve |
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Cited By (1)
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| CN116352435A (en) * | 2023-05-31 | 2023-06-30 | 荣旗工业科技(苏州)股份有限公司 | Workpiece assembling system and assembling method |
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| CN114290053B (en) | 2023-04-28 |
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