CN109531145B

CN109531145B - Intelligent assembly production line of metering device

Info

Publication number: CN109531145B
Application number: CN201910001384.1A
Authority: CN
Inventors: 丁聪; 郭火明; 李宁; 郭延; 王�华; 杨宏升; 黄义
Original assignee: Zhongship Heavy Industry Pengli (nanjing) Intelligent Equipment System Co Ltd
Current assignee: China Shipbuilding Pengli Nanjing Intelligent Equipment System Co ltd
Priority date: 2019-01-02
Filing date: 2019-01-02
Publication date: 2020-02-21
Anticipated expiration: 2039-01-02
Also published as: CN109531145A

Abstract

The invention discloses an intelligent assembly production line of metering instruments, which comprises a line body, and a base meter automatic feeding device, a ventilation regulating device, a main control board fixing device, a nameplate mounting device, a nameplate fixing device, an assembly information inputting device, a face cover mounting device, a face cover fixing device, an automatic testing device, a plastic packaging mounting device, a meter number pasting device and a quality certificate pasting device which are sequentially arranged along the transmission direction of the line body. The invention solves the problems of low manual production efficiency, difficult guarantee of assembly precision and test accuracy and poor equipment compatibility in the process of assembling and testing the existing metering base meters (particularly the gas metering base meters).

Description

Intelligent assembly production line of metering device

Technical Field

The invention relates to the field of intelligent assembly and test of a metering base meter, in particular to an intelligent assembly production line of a metering instrument.

Background

At present, the final assembly and the test process of the gas metering base meter are complex and are mainly completed by manual operation, the production period is long, the efficiency cannot be guaranteed, and the increasingly huge market demands cannot be met.

On one hand, due to the fact that operation levels of personnel participating in production line operation are uneven, labor amount is large, actions are single and fatigue is prone to occurring, product assembly precision and testing accuracy cannot be guaranteed for a long time, and product quality is unreliable.

On the other hand, the variety and the brand of the gas metering base meter are increasing in the market, and flexible and automatic production equipment suitable for final assembly and testing of the gas metering base meters of various types and brands is urgently needed.

The current situation that the assembly and test efficiency of the gas metering base meter is low, the consistency of products cannot be guaranteed, and the production cost is high, which integrates various factors such as personnel, equipment and market demands, and the like, seriously influences the rapid development of the gas metering base meter industry in China.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and provides an intelligent assembly production line for a metering instrument, which solves the problems of low manual production efficiency, difficulty in ensuring assembly precision and test accuracy and poor equipment compatibility in the assembly and test process of the conventional metering base meter (especially a gas metering base meter).

In order to solve the technical problems, the invention adopts the technical scheme that:

an intelligent assembly production line of a metering instrument is used for intelligent assembly of the metering instrument, wherein the metering instrument comprises a base meter body, a nameplate, a main control board and a face cover, wherein the nameplate, the main control board and the face cover are required to be assembled with the base meter body; the front panel of the base watch body is provided with a character wheel and a clamping groove, the middle part of the base watch body is provided with a waist line, and the top end surface of the base watch body is provided with two air vents; a nameplate screw hole is arranged on the nameplate; the surface cover is provided with a surface cover screw hole, a battery cover hole and a battery cover capable of being opened and closed; the base watch body, the nameplate and the main control board are all provided with bar codes.

The assembly production line comprises a line body and a base meter automatic feeding device, a ventilation regulating device, a main control board fixing device, a nameplate mounting device, a nameplate fixing device, an assembly information input device, a surface cover mounting device and a surface cover fixing device which are sequentially arranged along the transmission direction of the line body.

The line body is arranged along transmission direction has a plurality of frock boards, and every frock board upper surface all is provided with stringcourse spacing groove and blow vent standing groove, and the stringcourse of base table body bottom surface can be placed in the stringcourse spacing groove, and the blow vent standing groove is used for placing the blow vent of base table body.

The automatic base meter feeding device comprises a feeding station and a feeding robot, and the feeding robot is used for transferring a base meter body located on the feeding station to a tooling plate of a line body.

The ventilation regulating device is used for regulating the number of the character wheel bottoms on the base meter body to be the same as the number of the character wheel bottoms set by the system; the ventilation regulating device comprises a ventilation regulating platform and a transfer robot, wherein the ventilation regulating platform is provided with at least one ventilation regulating position, and a visual detection mechanism and a compression and inflation mechanism are arranged above each ventilation regulating position; the transfer robot is used for transferring the base meter body on the line body to the ventilation and regulation station; the pressing and inflating mechanism is matched with the vent hole of the base meter body and inflates air to the base meter body; the visual detection mechanism is used for detecting the number of character wheels on the base meter body.

And the main control board fixing device is used for screwing the main control board which is manually inserted and installed.

The nameplate mounting device is used for placing the nameplate on the base watch body; the nameplate mounting device comprises a nameplate feeding mechanism and a nameplate transferring mechanism; data plate feed mechanism is used for transferring the data plate automation to data plate material loading station, and the data plate moves and carries the mechanism and be used for shifting the data plate that is located on the data plate material loading station to the main control board on the line body on the basic table body of fixed completion.

Data plate fixing device for carry out the screw-down with data plate and base table body.

And the final assembly information input device is used for scanning the bar codes on the base meter body, the main control board and the nameplate and uploading the information to the control system.

A face cover mounting means for mounting the face cover to the base watch body; the surface cover mounting device comprises an index plate feeding mechanism, a surface cover transferring mechanism, a cover opening and dust removing mechanism, a jacking table and a clamping and positioning mechanism.

The jacking table and the clamping and positioning mechanism are coaxially arranged, the jacking table is positioned below the wire body, the clamping and positioning mechanism is positioned above the wire body, the base meter body completing assembly information input is jacked to the clamping and positioning mechanism under the action of the jacking table, and the clamping and positioning mechanism is used for clamping the character wheel surface of the base meter body; the dividing plate feeding mechanism is used for automatically transferring the flour covers to a flour cover feeding station, and the flour cover transferring mechanism is used for transferring the flour covers to the cover opening dust removing mechanism and then transferring the flour covers to the base meter body positioned at the clamping and positioning mechanism from the cover opening dust removing mechanism; the cover opening dust removal mechanism is used for opening the battery panel on the surface cover and blowing air to remove dust in the inner cavity of the surface cover.

And the surface cover fixing device is used for screwing the surface cover and the base watch body.

The automatic testing device comprises an automatic testing platform, a visual detection mechanism, an infrared scanning mechanism, a pressing and inflating mechanism, a card inserting and electrifying mechanism and an automatic testing transfer robot.

The automatic test platform is provided with at least one test station, and the test station is provided with an infrared scanning mechanism, two compressing and inflating mechanisms, a card inserting and electrifying mechanism and a visual detection mechanism.

Each compressing and inflating mechanism is connected with the ventilating cabinet through an air pipe, and the two compressing and inflating mechanisms are positioned right above the corresponding test stations and can be lifted; when the height of the compressing and inflating mechanism is reduced, the compressing and inflating mechanism can be tightly pressed and communicated with the vent hole of the base meter body positioned below in a sealing manner.

The card inserting and electrifying mechanism is fixed in height and position and used for electrifying the base meter body on the corresponding test station and inserting the IC card into the card slot;

the infrared scanning mechanism is used for scanning the table number of the base table body on the corresponding test station and uploading the table number to the control system.

The visual detection mechanism is used for photographing the character wheel indication number of the base meter body on the corresponding test station and uploading the character wheel indication number to the control system.

The automatic test platform height can go up and down, and horizontal and vertical slip can be realized to infrared scanning mechanism and visual detection mechanism homoenergetic.

The plastic packaging installation device is positioned on the downstream line side of the automatic test device; the plastic package installation device comprises a plastic package vibration tray, a plastic package transfer mechanism, a plastic package pressing mechanism and a jacking table.

The jacking table is positioned below the line body and used for jacking the tooling plate and the base meter body on the line body upwards.

The plastic package vibration material disc is used for orderly arranging the plastic packages to the discharge port, and the plastic package transfer mechanism is used for transferring the plastic packages at the discharge port into the screw holes of the surface cover on the jacking table.

The plastic packaging pressing mechanism is located above the wire body, coaxial with the jacking table, and capable of lifting and used for pressing the plastic packaging into the screw hole in the face cover.

The face cover is provided with four trapezoidal face cover screw holes; the plastic package mounting device also comprises a material distribution mechanism, the material distribution mechanism comprises two plastic package transmission grooves, and the inner side or the outer side of each plastic package transmission groove is provided with a plastic package fork groove; the positions formed by the tail ends of the two plastic packaging transmission grooves and the tail ends of the two plastic packaging branching grooves correspond to the positions of the four face cover screw holes; the plastic packaging transfer mechanism comprises a transfer plate, four plastic packaging suction nozzles and four pressure rods, wherein the four plastic packaging suction nozzles are arranged at the bottom of the transfer plate, each pressure rod with the height capable of being lifted is inserted into each plastic packaging suction nozzle, and the top ends of the pressure rods extend out of the tops of the plastic packaging suction nozzles; the plastic packaging pressing mechanism comprises four plastic packaging pressing heads; the positions of the four plastic packaging suction nozzles and the positions of the four plastic packaging pressure heads correspond to the positions of the four face cover screw holes; the four plastic packaging pressure heads can press the four pressure rods downwards.

The device also comprises a table number pasting device and a certification pasting device which are positioned on the downstream line side of the plastic packaging installation device; the table number pasting device and the certificate pasting device both comprise a rotary jacking table, a marking machine, a pressing mechanism and a labeling machine; the rotary jacking table is positioned below the wire body and can lift and rotate; the pressing mechanism is positioned above the wire body and is coaxially arranged with the rotary jacking table, and the height of the pressing mechanism can be lifted; the marking machine is used for providing a table number label or a certificate label for the marking machine; the labeler is used for sticking the table number label or the certification label on the side surface or the end surface of the air vent of the metering base table above the rotary jacking table.

The nameplate feeding mechanism comprises a rotating table, a nameplate feeding frame and a jacking rod; the rotating table can rotate, and the nameplate feeding frames are uniformly distributed at the circumferential edge of the rotating table; each nameplate feeding frame can rotate to a nameplate feeding station and comprises a base, a limiting guide rod and a positioning rod; the base is connected with the rotating platform, and jacking holes are formed in the center of the base and the rotating platform corresponding to the center of the base; the limiting guide rod and the positioning rod are arranged on the base located on the periphery of the jacking hole, the limiting guide rod is used for limiting the periphery of the nameplate, and the positioning rod can penetrate through the nameplate screw hole to position the nameplate; the jacking rod is located below the rotary table in the nameplate feeding station and used for jacking the nameplate located in the nameplate feeding station.

The indexing disc feeding mechanism comprises an indexing disc, a face cover feeding frame and a jacking plate; the dividing disc can rotate according to the division, the number of the panel feeding frames is equal to the division number of the dividing disc, the panel feeding frames are uniformly distributed along the circumferential edge of the dividing disc, each panel feeding frame comprises a face cover bottom plate and a limiting rod, and the limiting rods are arranged on the periphery of the face cover bottom plate and used for limiting four side faces of a face cover placed on the face cover bottom plate; the bottom plate of the face cover is provided with a jacking groove matched with the jacking plate, and the face cover is jacked to a feeding station of the face cover under the jacking action of the jacking plate.

Final assembly information input device is including fixed bar code scanner and removal bar code scanner, and fixed bar code scanner is used for sweeping the sign indicating number to the bar code on the base table body, removes the bar code scanner and can remove along the direction of the perpendicular to line body for sweep the sign indicating number to the bar code on data plate and the main control board.

The feeding robot, the transfer robot and the automatic test transfer robot are all provided with feeding clamping jaws, and each feeding clamping jaw comprises a clamping jaw cylinder, a clamping plate, a protective plate and a cylinder connecting flange; one end of the cylinder connecting flange is connected with the bowl part of the robot, the other end of the cylinder connecting flange is connected with the clamping jaw cylinder, one end of the clamping plate is arranged on the clamping jaw cylinder, and the other end of the clamping plate is connected with the protective plate; the protective plate is made of soft materials; the center of the protection plate is provided with a waist line groove which can be matched with the side waist line of the metering base meter and is used for clamping the middle part of the side of the metering base meter.

The invention has the following beneficial effects:

the invention replaces the existing manual operation mode, greatly reduces the number of operators and reduces the labor intensity; because of adopting automatic continuous production, the production efficiency of the gas metering base meter is greatly improved, and the consistency of the product quality is effectively improved; the method is compatible with the production of various metering base tables such as the membrane type card table, the Internet of things table and the like, and the product assembly and test information is fed back to a production management system (namely a control system) in time, so that the method has obvious effects on reducing the cost of an enterprise, expanding the product range and improving the economic benefit.

Drawings

Fig. 1 shows a schematic structural diagram of an intelligent assembly production line of a metering device.

Fig. 2a shows a schematic view of the construction of the tooling plate.

FIG. 2b shows a schematic view of the assembly of the tooling plate with the metrology base table.

Fig. 3 shows a schematic structural diagram of the automatic base meter feeding device.

Fig. 4a shows a schematic view of the structure of the loading jaw.

Figure 4b shows a schematic view of the feed gripper gripping a metering base meter.

FIG. 5 shows a schematic view of a vent-regulating device.

FIG. 6 shows a rear view of the vent-regulated platform of FIG. 5.

Fig. 7 shows an enlarged schematic view of the circled area in fig. 6.

Fig. 8 shows a schematic structural view of the main control panel fixing device.

Fig. 9 shows a schematic view of the nameplate mounting apparatus.

Fig. 10 shows a structural schematic diagram of a nameplate loading mechanism.

Fig. 11 shows a schematic structural diagram of the final assembly information entry device.

Fig. 12 shows a schematic view of the structure of the face cover mounting device.

Fig. 13 shows a schematic structural diagram of the dough cover feeding device.

Fig. 14 shows a schematic structural view of the door opening dust removing mechanism.

Fig. 15 shows a schematic configuration of the automatic test apparatus.

Fig. 16 shows a rear view of the automated test platform.

FIG. 17 shows a front view of an automated test platform.

Fig. 18 shows an enlarged schematic view of the circled area in fig. 16.

Fig. 19 shows a schematic configuration of the energizing mechanism.

Fig. 20 shows a schematic diagram of a card-insertion mechanism.

Fig. 21 shows a schematic configuration of the feed mechanism.

Fig. 22 shows a schematic structural view of the mold mounting apparatus.

Fig. 23 shows a schematic structural view of the plastic transfer mechanism.

Fig. 24 shows a schematic structural diagram of the plastic sealing and compressing mechanism.

Fig. 25 shows a schematic diagram of the plastic package mounting position in the gauge table.

Fig. 26 shows a schematic diagram of a plastic packaging loading station at the tail end of the separating mechanism.

Fig. 27 shows a schematic view of the form number attaching apparatus or the certification attaching apparatus.

Figure 28a shows a schematic view of a metering base table without a face cap installed.

Fig. 28b shows a schematic view of the structure of the face cover.

Among them are:

10. a wire body;

11. assembling a plate; 111. a tooling plate bottom plate; 112. a support plate; 113. a vent stop block; 1131. a vent placement groove; 114. a waist line limiting groove; 115. jacking a positioning hole;

12. a metering device;

121. a vent; 122. a card slot; 123. a powered electrode; 124. a print wheel; 125. a waist line; 126. a nameplate; 1261. nameplate screw holes; 127. a main control board; 128. a face cover; 1281. a face cover screw hole; 1282. a battery cover; 1283. a battery cover hole; 129. plastic packaging;

13. a jacking table;

20. a base meter automatic feeding device;

21. a storage rack; 22. a base meter conveying device; 221. a conveyor belt; 222. a lateral baffle; 223. a material loading level barrier plate; 23. a feeding robot; 231. a feeding clamping jaw; 232. a clamping jaw cylinder; 233. a splint; 234. a protection plate; 235. a cylinder connecting flange;

30. a ventilation regulating device;

31. a transfer table; 32. a ventilation regulating platform; 321. a visual detection mechanism; 322. a pressing and inflating mechanism; 33. a transfer robot;

40. a main control board fixing device; 41. vibrating the material tray; 42. a main control board screw tightening machine;

50. a nameplate mounting device;

51. a nameplate feeding mechanism; 511. a rotating cylinder; 512. a rotating table; 513. a base; 5131. jacking holes; 514. a limiting guide rod; 515. positioning a rod; 516. a jacking rod; 52. a nameplate transfer mechanism; 521. a cross beam; 522. a transverse transfer component; 523. a suction cup;

60. a nameplate fixing device;

70. final assembly information input means; 71. a fixed code scanner; 72. a mobile code scanner; 73. a moving cylinder;

80. a face cover mounting device; 81. indexing the feeding mechanism; 811. an index plate; 812. a face cover bottom plate; 8121. jacking a groove; 813. a limiting rod; 814. enclosing plates; 815. a jacking plate; 82. a face cover transfer mechanism; 83. a cover opening dust removal mechanism; 831. a battery cover lifting rod; 832. an air jet; 84. a clamping and positioning mechanism;

90. a face cover fixing device;

100. an automatic test device; 1011. a back plate; 1012. an L plate; 1013. a pressing mechanism mounting plate; 1014. a trachea fixing plate; 1015. a guide post; 1016. a linear bearing housing; 1017. a meter placement board; 1018. a column; 1019. a column support; 102, a transfer platform; 103. a visual detection mechanism; 104. a pressing and inflating mechanism; 105. a card insertion mechanism; 1051. a card insertion cylinder; 1052. an intermediate connection plate; 1053. a buffer vertical plate; 1054. a leakage protection pad; 1055. a knob; 1056. a card insertion fixing plate; 1057. an IC card fixing groove; 1058, IC card; 1059. a rubber pad; 106. a power-on mechanism; 1061. an electrified cylinder; 1062. an L-shaped fixing plate; 1063. an electrified cylinder mounting plate; 1064. a probe fixing plate; 1065. a probe; 1066. a conductive head; 107. a feed mechanism; 1071. a transverse upright clamping block; 1072. transversely adjusting the upright post; 1073. a mechanism mounting plate; 1074. a feed cylinder mounting plate; 1075. a feed cylinder; 1076. vertically adjusting the upright post; 1077. a vertical column clamping block; 108. an infrared scanning mechanism; 109. an automatic transfer robot;

110. a plastic package mounting device; 1101. plastically packaging the vibration material tray; 1102. a material distributing mechanism; 1103. a plastic packaging transmission groove; 1104. plastic-packaging a forking groove; 1105. a plastic packaging transfer mechanism; 1106. moving the carrier plate; 1107. plastically packaging the suction nozzle; 1108. a plastic packaging pressing mechanism; 1109. a plastic packaging pressure head; 1110. plastic packaging material loading level; 1111. a pressure lever;

120. a table number pasting device; 1201. rotating the jacking mechanism; 1202. marking machine; 1203. a hold-down mechanism; 1204. a labeling machine;

130. device is pasted to certification.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.

As shown in fig. 25, 28a and 28b, the metering device 12 includes a base watch body, a nameplate 126 to be assembled with the base watch body, a main control board 127, a face cover 128 and a plastic package 129.

The front panel of the base watch body is provided with a character wheel 124 and a clamping groove 122, the middle part of the base watch body is provided with a waist line 125, and the top end surface of the base watch body is provided with two air vents 121; a nameplate screw hole 1261 is arranged on the nameplate; the face cover is provided with a face cover screw hole 1281, a battery cover hole 1283 and a battery cover 1282 which can be opened and closed; the number of the face cover screw holes 1281 is preferably four, and the four face cover screw holes are in an isosceles trapezoid structure.

In addition, the base watch body, the nameplate and the main control board are all provided with bar codes.

As shown in fig. 1, an intelligent assembly production line for a metering device is used for intelligent assembly of the metering device, and comprises a line body 10, and a base meter automatic feeding device 20, a ventilation regulating device 30, a main control board fixing device 40, a nameplate mounting device 50, a nameplate fixing device 60, an assembly information recording device 70, a surface cover mounting device 80, a surface cover fixing device 90, an automatic testing device 100, a plastic package mounting device 110, a meter number pasting device 120 and a quality certificate pasting device 130 which are sequentially arranged along a line body transmission direction.

The line body is arranged with a plurality of frock boards 11 along transmission direction to be formed with basic table material loading station in proper order, regular station of ventilating, main control board and connect and insert artifical station, main control board fixed station, data plate installation station, data plate fixed station, final assembly information input station, face lid installation station, face lid fixed station, automatic test station, plastic envelope installation station, table number paste station and certificate paste station. Wherein, the main control board is fixed station, data plate installation station, the fixed station of data plate, face lid installation station and the fixed station below of the line body of face lid all sets up jacking platform 13.

As shown in fig. 2a, the tooling plate 11 includes a tooling plate bottom plate 111, a support plate 112, an air vent stopper 113, and a lift-up positioning hole 115.

The support plate preferably has two support plates 112 fixed to the middle of the tooling plate 110, a waist line limiting groove 114 is formed between the two support plates, and the waist line of the metering base meter is arranged in the gap and has a certain play amount, as shown in fig. 2 b.

The blow vent stopper has two, and two 113 installations of blow vent stoppers are fixed in frock board 110 one end, and every blow vent stopper all has a blow vent standing groove 1131 that is the U type. Two air vents of the metering base meter are respectively arranged in the air vent placing grooves 1131 of the air vent limiting blocks 113, a certain gap is reserved between the two air vents, and the air vents can move in the air vent placing grooves to a certain degree.

The tool plate 110 can be placed in the measurement base meters of different models by the aid of the movement amount between the waist line and the waist line limiting groove and the movement amount between the vent and the vent placing groove, and the movement amount is designed and selected according to appearance differences of gas meters of different models.

The jacking positioning holes can be matched with positioning rods in the jacking tables of all the stations, so that the tooling plate can be positioned.

The tooling plate can be compatible with various models of metering base meters, and the gas meters of each model are prevented from being equipped with corresponding tooling plates, so that the manufacturing cost of the tooling plate is greatly saved, and the workload of manually replacing the tooling plate is reduced.

The automatic base meter feeding device preferably comprises a storage rack 21, a base meter conveying device 22 and a feeding robot 23, the base meter conveying device comprises a plurality of parallel conveying belts 221 arranged in parallel, the tail end of each conveying belt is preferably provided with a feeding position blocking plate 223 to form a feeding station, and the plurality of feeding stations are preferably located on a straight line parallel to the line body. Lateral baffles 222 are preferably provided on both sides of each belt, preferably at a height below the waist line of the gauge base so that the gauge base is placed vertically on the belt.

As shown in fig. 3, the base meter bodies are manually and vertically placed into the conveying belt from the storage rack, the lateral baffle prevents the measurement base meter from deviating in the conveying process, the feeding robot clamps the base meter bodies from the feeding station at the tail end of the conveying belt and moves the base meter bodies to the tool plate located in the feeding station of the base meter on the line body, and the tool plate loads the base meter bodies to flow along with the line body of the production line.

The loading robot has a loading gripper 231, which preferably comprises a gripper cylinder 232, a clamping plate 233, a protective plate 234 and a cylinder connection flange 235, as shown in fig. 4 a. One end of the cylinder connecting flange is connected with the bowl part of the robot, the other end of the cylinder connecting flange is connected with the clamping jaw cylinder, one end of the clamping plate is arranged on the clamping jaw cylinder, and the other end of the clamping plate is connected with the protective plate; the protection plate is made of soft materials. The center of the protection plate is provided with a waist line groove, as shown in fig. 4b, the waist line groove is matched with the side waist line of the metering base meter and used for clamping the middle part of the side of the metering base meter.

And the ventilation regulating device is used for regulating the number of the character wheel bottoms on the base watch body to be the same as the number of the character wheel bottoms set by the system. As shown in fig. 5, the ventilation regulating apparatus includes a transfer table 31, a ventilation regulating platform 32, and a transfer robot 33.

The vent-structured platform has at least one vent-structured location thereon, and preferably has two layers, each layer preferably having 4 vent-structured locations thereon. As shown in fig. 6 and 7, a visual detection mechanism 321 and a pressing and inflating mechanism 322 are arranged above each ventilation regulation position.

The metering base meter in the tooling plate is transferred to a ventilation and regulation station along with the line body, the transfer robot grabs the metering base meter and transfers the metering base meter to the transfer table, and the structure of the transfer robot is preferably the same as that of the feeding robot. The transfer robot changes the grabbing angle or the middle rotating platform rotates 180 degrees to change the direction of the metering base meter, grabs the meter again, makes the character wheel face outward, and transfers the character wheel face to the ventilation regulating platform, and at the moment, the character wheel face faces to the visual detection mechanism; the visual detection mechanism descends, the number of the bottoms of the character wheels in the metering base meter is identified and is compared with the number of the bottoms set by the system, the descending inflation head of the compression inflation mechanism is abutted with the air vent of the metering base meter for air ventilation, and the air ventilation is automatically stopped when the number of the bottoms of the character wheels of the metering base meter reaches the set value of the system; after ventilation is finished, the pressing and inflating mechanism is lifted, the visual detection mechanism is lifted, and the transfer robot grabs the metering base meter and transfers the metering base meter to a transfer table and then transfers the metering base meter to a tooling plate of the wire return body.

The metering base meter in the tooling plate flows to the main control plate along with the line body to be plugged into a manual station, the main control plate is manually taken, the valve line, the power line and the clamping seat are plugged into the corresponding position of the main control plate, and the main control plate is inserted into the corresponding position of the base in the metering base meter.

And then, the metering base meter in the tooling plate flows to a main control plate fixing station along with the wire body, and the main control plate fixing device positioned at the main control plate fixing station is used for screwing the main control plate which is manually inserted and installed by using screws, and the structure of the main control plate fixing device is shown in fig. 8. The self-tapping screws are automatically fed to a screw tightening machine 42 through a vibration material tray 41, the jacking table jacks up and positions the tooling plate on the wire body, the screw tightening machine moves to the position of the screw hole, and the screws are tightened to fix the main control plate. Wherein, vibrations charging tray and screw tightening machine are mature prior art, purchase directly by the applicant and get.

And the nameplate mounting device is used for placing the nameplate on the base watch body. As shown in fig. 9, the nameplate mounting apparatus includes a nameplate loading mechanism 51 and a nameplate transfer mechanism 52.

Data plate feed mechanism is used for transferring the data plate automatic to data plate material loading station. As shown in fig. 10, the nameplate feeding mechanism includes a rotary cylinder 511, a rotary table 512, a nameplate feeding frame and a lifting rod 516; the revolving stage is preferred to be rotated under revolving cylinder's drive, and the data plate is gone up the frame and is evenly laid at the circumferential edge reason of revolving stage. Each nameplate loading frame can rotate to a nameplate loading station, and preferably comprises a base 513, a limiting guide rod 514 and a positioning rod 515; the base is connected with the rotating platform, and jacking holes are formed in the center of the base and the rotating platform corresponding to the center of the base; the limiting guide rod and the positioning rod are arranged on the base located on the periphery of the jacking hole, the limiting guide rod is used for limiting the periphery of the nameplate, and the positioning rod can penetrate through the nameplate screw hole to position the nameplate; the jacking rod is located the below of revolving stage in data plate material loading station, and preferred by servo motor drive to the data plate that will be located data plate material loading station carries out the jacking.

Measurement base table moves to data plate installation station along with the line body in the frock board, and the jacking platform is with frock board jack-up and location, and the data plate moves and carries the mechanism and take out and move the data plate from data plate feed mechanism and move and carry to measurement base table and correspond the position. The nameplate transferring mechanism preferably comprises a cross beam 521, a cross beam transferring component 522 and a sucker 523, the sucker is arranged at the bottom of the cross beam transferring component and used for sucking nameplates, the cross beam transferring component can slide along the cross beam, and the cross beam is preferably perpendicular to the line body.

Data plate fixing device for carry out the screw-down with data plate and base table body. The structure of the nameplate fixing device is preferably the same as that of the main control board fixing device, and the description is omitted.

And the final assembly information input device is used for scanning the bar codes on the base meter body, the main control board and the nameplate and uploading the information to the control system. As shown in fig. 11, the final assembly information entry device includes a fixed bar scanner 71, a movable bar scanner 72 and a movable cylinder 73, the fixed bar scanner is used for scanning the bar code on the base meter body, the movable bar scanner preferably moves in the direction perpendicular to the line body under the driving of the movable cylinder, and is used for scanning the bar codes on the nameplate and the main control board, and all bar code information is uploaded to the production management system.

And the surface cover mounting device is used for mounting the surface cover on the base watch body. As shown in fig. 12, the surface cover mounting device includes an index plate feeding mechanism 81, a surface cover transfer mechanism 82, a cover opening dust removing mechanism 83, a lift-up table, and a clamp positioning mechanism 84.

The jacking table and the clamping and positioning mechanism are coaxially arranged, the jacking table is positioned below the wire body, and the clamping and positioning mechanism is positioned above the wire body.

The metering base meter in the tooling plate flows to a face cover mounting station along with a line body, a base meter body completing assembly information input is jacked to a clamping and positioning mechanism under the action of a jacking table, the clamping and positioning mechanism is used for clamping a character wheel face of the base meter body, the face cover is waited for loading, the clamping and positioning mechanism is also used as a face cover loading station, and an index plate loading mechanism is used for automatically transferring the face cover to the face cover loading station.

As shown in fig. 13, the index plate feeding mechanism includes an index plate 811, a face cover feeding frame, and a lifting plate 815; the dividing plate can rotate according to the division, the number of the panel feeding frames is equal to the division number of the dividing plate, the panel feeding frames are uniformly distributed along the circumferential edge of the dividing plate, each panel feeding frame comprises a face cover bottom plate 812 and a limiting rod 813, the limiting rods are arranged on the periphery of the face cover bottom plate and used for limiting four side faces of a face cover placed on the face cover bottom plate, and the limiting rods are preferably enclosed and fixed by a surrounding plate 814; the face lid bottom plate is provided with a jacking groove 8121 matched with the jacking plate, and the face lid is jacked to a face lid feeding station under the jacking action of the jacking plate. The jacking plates are preferably two triangular plates. After the flour cover in one flour cover feeding frame is taken out, the dividing plate rotates, and feeding is continued by the next flour cover feeding frame.

The surface cover transferring mechanism transfers the surface cover to the cover opening and dust removing mechanism, as shown in fig. 14, the cover opening and dust removing mechanism is provided with two air nozzles 832 for cleaning dust inside the surface cover, and a battery cover lifting rod 831 for opening the surface cover battery cover is also provided; after the cover opening and dust removal are finished, the face cover is moved to the position above the metering base surface in the face cover feeding station by the moving mechanism, then the moving mechanism descends, and the face cover is installed on the character wheel face.

And the surface cover fixing device is used for screwing the surface cover and the base watch body. The structure of the face cover fixing device is the same as that of the main control board fixing device, and the description is omitted here.

As shown in fig. 15 to 16, the automatic testing apparatus includes an automatic testing platform 101, a transfer platform 102, a vision inspection mechanism 103, an infrared scanning mechanism 108, a pressing and inflating mechanism 104, a card insertion and energization mechanism, and an automatic test transfer robot 109.

The automatic test platform is preferably provided with 2 layers, each layer is preferably provided with 7 detection stations, the total number of the detection stations is 14, and 14 metering base meters can be tested simultaneously.

Each detection station is provided with an infrared scanning mechanism, two pressing and inflating mechanisms, a card inserting and electrifying mechanism and a visual detection mechanism.

As shown in fig. 17, the automatic test platform comprises a back plate 1011, an L plate 1012, a hold-down mechanism mounting plate 1013, an air pipe fixing plate 1014, a guide column 1015, a linear bearing housing 1016, a meter mounting plate 1017, a column 1018, and a column support 1019. The back plate 1011, L plate 1012 and hold-down mechanism mounting plate 1013 constitute the main frame structure of the automatic test platform.

The vertical setting of backplate, trachea fixed plate 1014 is installed on backplate 1011 for the connection trachea of fixed test gas circuit guarantees neatly pleasing to the eye of testboard, the artifical maintenance in later stage of also being convenient for.

The instrument is placed the board and is used for placing the measurement basic table that waits to detect, and two-layer instrument is placed and is connected through the stand between the board, and the stand suit is in the guide post periphery. The concrete setting structure is as follows: two upper and lower stand supports 1019 are connected with respectively at the both ends of stand 1018, and upper and lower support is placed the board with first layer, second floor instrument respectively and is connected to make upper and lower two-layer instrument place the board even as an organic whole, form stable structure. Linear bearing housings 1016 are installed at left and right sides of the back plate 1011, and guide columns 1015 penetrate the linear bearing housings 1016 and penetrate the column support 1019. The upright column support 1019 is connected with the upper and lower instrument placing plates. The upper and lower instrument placement boards can move along the vertical direction along with the guide columns 1015. The pressing mechanism mounting plate is used for mounting the pressing inflating mechanism.

As shown in fig. 18, the card insertion power-on mechanism is fixed in height position and is used for powering on the base meter body on the corresponding test station and inserting the IC card into the card slot. The card-inserting electrifying mechanism mainly comprises a card-inserting mechanism 105, an electrifying mechanism 106 and a feeding mechanism 107. The card-inserting mechanism and the electrifying mechanism are arranged on the feeding mechanism, and the feeding mechanism drives the card-inserting mechanism and the electrifying mechanism to move simultaneously.

As shown in fig. 21, the feeding mechanism includes a lateral adjustment post clamp block 1071, a lateral adjustment post 1072, a mechanism mounting plate 1073, a feed drive device mounting plate (preferably a feed cylinder mounting plate 1074), a feed drive device (preferably a feed cylinder 1075), a vertical adjustment post 1076, and a vertical post clamp block 1077.

The number of the transverse adjusting upright posts is preferably two, the transverse adjusting upright posts are parallel to each other and are distributed along the feeding direction of the IC card.

The end of the piston rod of the feed cylinder 1075 is connected to the mechanism mounting plate 1073, and the cylinder is fixed to the feed cylinder mounting plate 1074. Horizontal adjustment stand 1072 one end installation is fixed in horizontal stand and presss from both sides and embrace block 1071, and one end presss from both sides with vertical stand and embraces the block 1077 and be connected, and vertical stand presss from both sides and embraces the block and can slide along the horizontal adjustment stand. Vertical setting of vertical adjustment stand, vertical adjustment stand 1076 one end installation is fixed in and feeds cylinder mounting panel 1074, and one end is connected with vertical stand presss from both sides and embraces the piece 1077.

The two vertical upright post clamping blocks are preferably positioned on the same straight line, and the straight line is vertical to the transverse adjusting upright post; the two vertical adjusting upright posts are parallel to each other.

The initial position of the feed cylinder 1075 can be adjusted by adjusting the vertical post clamp block 1077 and the vertical adjustment post 1076, thereby making the initial position of the card insertion mechanism and the energizing mechanism more accurate.

Fig. 20 is a schematic structural diagram of a card insertion mechanism, which includes a card insertion driving device (preferably a card insertion cylinder 1051), an intermediate connecting plate 1052, a buffer vertical plate 1053, an electric leakage protection pad 1054, a knob 1055, a card insertion fixing plate 1056, an IC card fixing slot 1057, and an IC card 1058.

The middle connecting plate bottom surface is connected with the plug-in card cylinder, and the middle connecting plate top surface is connected with the buffering riser, and buffering riser top surface is connected with the plug-in card fixed plate, has the IC-card fixed slot in the plug-in card fixed plate.

The plug-in card fixed plate preferably includes bottom plate, U type roof and rubber pad 1059, and four edges between bottom plate and the U type roof are preferred to be provided with the rubber pad to connect through the knob, during electric leakage protection pad 1054 was emboliaed to knob 1055, can effectively prevent the electric leakage.

The cavity between the bottom plate and the U-shaped top plate is also an IC card fixing groove for placing an IC card. The size of the IC card fixing groove is adjusted by adjusting a knob 1055 according to the thickness of the IC card.

One part of the IC card is inserted into the IC card fixing groove, the IC card can transversely slide under the drive of the card inserting drive device, and the exposed part of the IC card is inserted into the card groove of the metering base meter.

The buffering vertical plate is made of elastic soft materials, has a certain deformation amount, and can prevent the IC card from deforming and breaking in the card inserting process. The longitudinal section of the buffer vertical plate is preferably S-shaped.

The buffer vertical plate 1053 is connected with the card inserting cylinder 1051 through the middle connecting plate 1052, and the card inserting cylinder 1051 drives the IC card to move, so that the IC card is fed into the card slot of the metering base meter.

Fig. 19 is a schematic structural diagram of an energizing mechanism, which includes an energizing driving device (preferably, an energizing cylinder 1061), an L-shaped fixing plate 1062, an energizing cylinder mounting plate 1063, a probe fixing plate 1064, a probe 1065, and a conductive head 1066.

The electrified cylinder 1061 is fixedly mounted on the electrified cylinder mounting plate 1063, and the end of the piston rod is connected with the probe fixing plate 1064. The probe 1065 and the conductive head 1066 are mounted on the probe fixing plate 1064. One side of the L-shaped fixing plate is connected to the energizing cylinder mounting plate 1063, and the other side is fixed to the feeding mechanism 107. The energizing cylinder 1061 drives the probe 1065 and the conductive head 1066 to synchronously move transversely to the energizing electrode, so as to form electric conduction with the energizing electrode on the metering base meter, thereby electrifying the metering base meter.

The metering base meter in the tooling plate is transferred to an automatic testing station along with the line body, an automatic testing transfer robot grabs the metering base meter and transfers the metering base meter to a transfer platform, the automatic testing transfer robot changes the grabbing angle, grabs the metering base meter again, enables the character wheel to face outwards and transfers the character wheel to the automatic testing platform, and the character wheel faces towards a visual detection mechanism; manually detecting the problems of the shaking teeth, the clamping teeth and the display loss of the liquid crystal screen of the metering base meter; the visual detection mechanism descends, the number of the character wheel of the metering base meter is identified, and the infrared scanner identifies the meter number and uploads the meter number to the production management system; the compaction inflating mechanism descends, the inflating head is in butt joint with an air inlet and an air outlet of the metering base meter to carry out ventilation test, and the flow meter records the passing air flow and compares the passing air flow with the change of the character wheel index of the base meter to determine whether the passing air flow is the same or not; the card inserting mechanism inserts the test card into the metering base meter card slot to carry out power-on test; after the test is finished, the card inserting mechanism extracts the test card, the pressing and inflating mechanism and the visual detection mechanism are lifted to the original position, and the test result is uploaded to the production management system; manually transferring the unqualified product to an eliminating line for maintenance; qualified products are transferred to the tooling plate by an automatic test transfer robot.

Furthermore, the height of the automatic test platform can be lifted, and the infrared scanning mechanism and the visual detection mechanism can realize horizontal and vertical sliding, so that the automatic test platform is suitable for metering base meters of different models.

As shown in fig. 22, the plastic packaging installation apparatus includes a plastic packaging vibration tray 1101, a material distribution mechanism 1102, a plastic packaging transfer mechanism 1105, a plastic packaging pressing mechanism 1108, and a jacking table.

The plastic packaging vibration material tray is used for arranging the plastic packaging to the discharge hole in order, and the plastic packaging is cylindrical, so that the plastic packaging vibration material tray is the prior art, and the structure that the material tray is vibrated by screws can be directly adopted.

As shown in fig. 26, the bottom plate of the dividing mechanism is provided with two long material channels, i.e., plastic conveying grooves 1103, and each long material channel has a short material channel, i.e., a plastic-sealed branched groove 1104, inside or outside the long material channel. The four tail end positions of the short material channel and the long material channel are the same as the positions of the hole positions for installing the plastic package, namely opposite to the positions of the screw holes of the four face covers.

Further, the distributing mechanism further comprises a cover plate covering the short material channel and the long material channel, holes are formed in the end positions of the four material channels through the cover plate, and the plastic package is taken away from the four holes when the plastic package transferring mechanism takes out materials.

The plastic package transfer mechanism is used for transferring the plastic package at the discharge port to a screw hole of the surface cover on the jacking table. As shown in figure 23 of the drawings,

the plastic packaging transfer mechanism comprises a transfer plate 1106, four plastic packaging suction nozzles 1107 and four pressure rods 1111, wherein the four plastic packaging suction nozzles are arranged at the bottom of the transfer plate and used for sucking plastic packages out of four plastic packaging loading positions 1110; a pressing rod 1111 is preferably arranged in each plastic packaging suction nozzle, a spring is sleeved at the top end of the pressing rod, when the spring is in a natural state, the bottom of the pressing rod is higher, and a plastic packaging containing cavity is formed in the cavity of the plastic packaging suction nozzle.

As shown in fig. 24, the plastic package pressing mechanism is positioned right above the wire body in the plastic package installation station and is arranged coaxially with the jacking table.

The plastic packaging pressing mechanism comprises four plastic packaging pressing heads 1109; the positions of the four plastic packaging suction nozzles and the positions of the four plastic packaging pressure heads correspond to the positions of the four face cover screw holes.

When the plastic package transfer mechanism transfers the plastic package to the upper part of the metering base table to be aligned with the mounting hole, the jacking table jacks up and positions the tooling plate, the four plastic package pressing heads of the plastic package pressing mechanism are aligned with the top ends of the four pressing rods, and the four pressing rods move downwards along with the descending of the height of the plastic package pressing mechanism, so that the four plastic packages in the four plastic package suction nozzles are pressed into the screw holes of the face cover. After the plastic packaging and press mounting are finished, the plastic packaging transfer mechanism moves upwards, and the four pressure rods reset upwards under the action of the corresponding springs.

As shown in fig. 27, each of the form number pasting device and the certification pasting device includes a rotary lift table 1201, a marking machine 1202, a pressing mechanism 1203, and a labeling machine 1204; the rotary jacking table is positioned below the wire body, jacks up the tooling plate and rotates for a set angle, so that the labeling surface of the metering base table is opposite to the labeling machine; the pressing mechanism is positioned above the wire body and is coaxially arranged with the rotary jacking table, and the height of the pressing mechanism can be lifted; the marking machine is used for providing a table number label or a certificate label for the marking machine, and the table number label or the certificate label comprises characters, serial numbers, dates, patterns, bar codes and the like. The labeler is used for sticking the table number label or the certification label on the side surface or the end surface of the air vent of the metering base table above the rotary jacking table.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the embodiments, and various equivalent modifications can be made within the technical spirit of the present invention, and the scope of the present invention is also within the scope of the present invention.

Claims

1. An intelligent assembly production line of a metering instrument is used for intelligent assembly of the metering instrument, wherein the metering instrument comprises a base meter body, a nameplate, a main control board and a face cover, wherein the nameplate, the main control board and the face cover are required to be assembled with the base meter body; the front panel of the base watch body is provided with a character wheel and a clamping groove, the middle part of the base watch body is provided with a waist line, and the top end surface of the base watch body is provided with two air vents; a nameplate screw hole is arranged on the nameplate; the surface cover is provided with a surface cover screw hole, a battery cover hole and a battery cover capable of being opened and closed; bar codes are arranged on the base watch body, the nameplate and the main control board;

the method is characterized in that: the assembly production line comprises a line body, and a base meter automatic feeding device, a ventilation regulating device, a main control board fixing device, a nameplate mounting device, a nameplate fixing device, an assembly information input device, a surface cover mounting device and a surface cover fixing device which are sequentially arranged along the transmission direction of the line body;

the wire body is provided with a plurality of tooling plates along the transmission direction, the upper surface of each tooling plate is provided with a waist line limiting groove and a vent placing groove, the waist line on the bottom surface of the base watch body can be placed in the waist line limiting groove, and the vent placing groove is used for placing the vent of the base watch body;

the automatic base meter feeding device comprises a feeding station and a feeding robot, wherein the feeding robot is used for transferring a base meter body positioned on the feeding station onto a tooling plate of the line body;

the ventilation regulating device is used for regulating the number of the character wheel bottoms on the base meter body to be the same as the number of the character wheel bottoms set by the system; the ventilation regulating device comprises a ventilation regulating platform and a transfer robot, wherein the ventilation regulating platform is provided with at least one ventilation regulating position, and a visual detection mechanism and a compression and inflation mechanism are arranged above each ventilation regulating position; the transfer robot is used for transferring the base meter body on the line body to the ventilation and regulation station; the pressing and inflating mechanism is matched with the vent hole of the base meter body and inflates air to the base meter body; the visual detection mechanism is used for detecting the number of character wheel readings on the base meter body;

the main control board fixing device is used for screwing the main control board which is manually inserted and installed by using screws;

the nameplate mounting device is used for placing the nameplate on the base watch body; the nameplate mounting device comprises a nameplate feeding mechanism and a nameplate transferring mechanism; the nameplate loading mechanism is used for automatically transferring nameplates to a nameplate loading station, and the nameplate transferring mechanism is used for transferring the nameplates positioned on the nameplate loading station to a base meter body which is fixed by a main control board on the wire body;

the nameplate fixing device is used for screwing the nameplate and the base watch body;

the final assembly information input device is used for scanning bar codes on the base meter body, the main control board and the nameplate and uploading information to the control system;

a face cover mounting means for mounting the face cover to the base watch body; the surface cover mounting device comprises an indexing disc feeding mechanism, a surface cover transferring mechanism, a cover opening and dust removing mechanism, a jacking table and a clamping and positioning mechanism;

the jacking table and the clamping and positioning mechanism are coaxially arranged, the jacking table is positioned below the wire body, the clamping and positioning mechanism is positioned above the wire body, the base meter body completing assembly information input is jacked to the clamping and positioning mechanism under the action of the jacking table, and the clamping and positioning mechanism is used for clamping the character wheel surface of the base meter body; the dividing plate feeding mechanism is used for automatically transferring the flour covers to a flour cover feeding station, and the flour cover transferring mechanism is used for transferring the flour covers to the cover opening dust removing mechanism and then transferring the flour covers to the base meter body positioned at the clamping and positioning mechanism from the cover opening dust removing mechanism; the cover opening dust removal mechanism is used for opening the battery plate on the surface cover and performing air blowing dust removal on the inner cavity of the surface cover;

2. The intelligent assembly line of metering devices of claim 1, wherein: the automatic testing device comprises an automatic testing platform, a visual detection mechanism, an infrared scanning mechanism, a pressing and inflating mechanism, a card inserting and electrifying mechanism and an automatic testing transfer robot;

the automatic test platform is provided with at least one test station, and the test station is provided with an infrared scanning mechanism, two compressing and inflating mechanisms, a card inserting and electrifying mechanism and a visual detection mechanism;

each compressing and inflating mechanism is connected with the ventilating cabinet through an air pipe, and the two compressing and inflating mechanisms are positioned right above the corresponding test stations and can be lifted; when the height of the compressing and inflating mechanism is reduced, the compressing and inflating mechanism can be tightly pressed and communicated with the vent hole of the base meter body positioned below in a sealing way;

the infrared scanning mechanism is used for scanning the table number of the base table body on the corresponding test station and uploading the table number to the control system;

3. The intelligent assembly line of metering devices of claim 2, wherein: the automatic test platform height can go up and down, and horizontal and vertical slip can be realized to infrared scanning mechanism and visual detection mechanism homoenergetic.

4. The intelligent assembly line of metering devices of claim 2, wherein: the plastic packaging installation device is positioned on the downstream line side of the automatic test device; the plastic package mounting device comprises a plastic package vibration tray, a plastic package transfer mechanism, a plastic package pressing mechanism and a jacking table;

the jacking table is positioned below the wire body and used for jacking the tooling plate and the base meter body on the wire body upwards;

the plastic package vibration material disc is used for orderly arranging the plastic packages to the discharge port, and the plastic package transfer mechanism is used for transferring the plastic packages at the discharge port into a screw hole of the surface cover on the jacking table;

5. The intelligent assembly line of metering devices of claim 4, wherein: the face cover is provided with four trapezoidal face cover screw holes; the plastic package mounting device also comprises a material distribution mechanism, the material distribution mechanism comprises two plastic package transmission grooves, and the inner side or the outer side of each plastic package transmission groove is provided with a plastic package fork groove; the positions formed by the tail ends of the two plastic packaging transmission grooves and the tail ends of the two plastic packaging branching grooves correspond to the positions of the four face cover screw holes; the plastic packaging transfer mechanism comprises a transfer plate, four plastic packaging suction nozzles and four pressure rods, wherein the four plastic packaging suction nozzles are arranged at the bottom of the transfer plate, each pressure rod with the height capable of being lifted is inserted into each plastic packaging suction nozzle, and the top ends of the pressure rods extend out of the tops of the plastic packaging suction nozzles; the plastic packaging pressing mechanism comprises four plastic packaging pressing heads; the positions of the four plastic packaging suction nozzles and the positions of the four plastic packaging pressure heads correspond to the positions of the four face cover screw holes; the four plastic packaging pressure heads can press the four pressure rods downwards.

6. The intelligent assembly line of metering devices of claim 4, wherein: the device also comprises a table number pasting device and a certification pasting device which are positioned on the downstream line side of the plastic packaging installation device; the table number pasting device and the certificate pasting device both comprise a rotary jacking table, a marking machine, a pressing mechanism and a labeling machine; the rotary jacking table is positioned below the wire body and can lift and rotate; the pressing mechanism is positioned above the wire body and is coaxially arranged with the rotary jacking table, and the height of the pressing mechanism can be lifted; the marking machine is used for providing a table number label or a certificate label for the marking machine; the labeler is used for sticking the table number label or the certification label on the side surface or the end surface of the air vent of the base table body above the rotary jacking table.

7. The intelligent assembly line of metering devices of claim 1, wherein: the nameplate feeding mechanism comprises a rotating table, a nameplate feeding frame and a jacking rod; the rotating table can rotate, and the nameplate feeding frames are uniformly distributed at the circumferential edge of the rotating table; each nameplate feeding frame can rotate to a nameplate feeding station and comprises a base, a limiting guide rod and a positioning rod; the base is connected with the rotating platform, and jacking holes are formed in the center of the base and the rotating platform corresponding to the center of the base; the limiting guide rod and the positioning rod are arranged on the base located on the periphery of the jacking hole, the limiting guide rod is used for limiting the periphery of the nameplate, and the positioning rod can penetrate through the nameplate screw hole to position the nameplate; the jacking rod is located below the rotary table in the nameplate feeding station and used for jacking the nameplate located in the nameplate feeding station.

8. The intelligent assembly line of metering devices of claim 1, wherein: the indexing disc feeding mechanism comprises an indexing disc, a face cover feeding frame and a jacking plate; the dividing disc can rotate according to the division, the number of the panel feeding frames is equal to the division number of the dividing disc, the panel feeding frames are uniformly distributed along the circumferential edge of the dividing disc, each panel feeding frame comprises a face cover bottom plate and a limiting rod, and the limiting rods are arranged on the periphery of the face cover bottom plate and used for limiting four side faces of a face cover placed on the face cover bottom plate; the bottom plate of the face cover is provided with a jacking groove matched with the jacking plate, and the face cover is jacked to a feeding station of the face cover under the jacking action of the jacking plate.

9. The intelligent assembly line of metering devices of claim 1, wherein: final assembly information input device is including fixed bar code scanner and removal bar code scanner, and fixed bar code scanner is used for sweeping the sign indicating number to the bar code on the base table body, removes the bar code scanner and can remove along the direction of the perpendicular to line body for sweep the sign indicating number to the bar code on data plate and the main control board.

10. The intelligent assembly line of metering devices of claim 2, wherein: the feeding robot, the transfer robot and the automatic test transfer robot are all provided with feeding clamping jaws, and each feeding clamping jaw comprises a clamping jaw cylinder, a clamping plate, a protective plate and a cylinder connecting flange; one end of the cylinder connecting flange is connected with the bowl part of the robot, the other end of the cylinder connecting flange is connected with the clamping jaw cylinder, one end of the clamping plate is arranged on the clamping jaw cylinder, and the other end of the clamping plate is connected with the protective plate; the protective plate is made of soft materials; the center of the protection plate is provided with a waist line groove which can be matched with the side waist line of the base watch body and is used for clamping the middle part of the side of the base watch body.