CN113953808B - Diaphragm type gas table measurement shell press seal and connecting rod assembly line - Google Patents

Abstract

The invention belongs to the field of gas meter production equipment, and discloses a membrane type gas meter measuring shell press seal and connecting rod assembly line which comprises a measuring shell press seal system and a connecting rod assembly system, wherein the measuring shell press seal system comprises a secondary positioning mechanism, the secondary positioning mechanism comprises a turnover plate and a profiling tool which are arranged in a one-to-one correspondence mode, the connecting rod assembly system comprises a rack B, a station transfer mechanism, a pointer disc adjusting mechanism and a connecting rod assembly mechanism are arranged on the rack B, the pointer disc adjusting mechanism is arranged at the upstream of the connecting rod assembly mechanism, and a connecting rod feeding assembly is arranged on one side of the rack B and corresponds to the connecting rod assembly mechanism. Adopt two kinds of preadjustment structures, effectively improve the lock of measurement shell and core and even riveting press seal efficiency to and connecting rod assembly efficiency, reduce the production line trouble and report the mistake, improved the production efficiency of gas table, reduce assembly line cost etc..

Description

Diaphragm type gas table measurement shell press seal and connecting rod assembly line

Technical Field

The invention belongs to the field of gas meter production equipment, and particularly relates to a pressure seal and connecting rod assembly line for a metering shell of a membrane type gas meter.

Background

The membrane type gas meter is widely applied to urbanization construction, has larger market demand, so in order to improve the production efficiency, an automatic assembly line is generally adopted for assembly in the market at present, for example, in a patent with the patent number of 201710078125X and the patent name of 'an automatic assembly method and an assembly production line for a gas meter movement', namely, a corresponding automatic assembly production line is disclosed, wherein a riveting procedure of a metering shell is involved, when riveting is carried out, the metering shell and a movement body need to be aligned firstly and are in a mutual embracing posture, namely, riveting teeth on the metering shell are positioned at the circumferential outer side of the movement body, however, the applicant finds that in the subsequent implementation process, as the metering shell and the movement body are produced by different production equipment, the control of the precision and the precision of an actual product are different, for example, a direct riveting mode is adopted, so that when the metering shell and the movement body are riveted, rivet the tooth and hinder the two condition emergence of detaining, influence production efficiency, this manipulator action required precision that also carries out the lock operation simultaneously is higher, has increased equipment cost and has implemented the degree of difficulty, and is not unique, when carrying out the connecting rod assembly, also often because the differentiation of pointer dish position leads to the connecting rod to place not in place, and then influences production efficiency.

Disclosure of Invention

In view of the above, the invention provides a pressure sealing and connecting rod assembly line for a metering shell of a membrane type gas meter, which is used for solving the problem that riveting of the metering shell and assembly of the connecting rod are prone to error in an existing automatic production line, so that error reporting of equipment is caused, and the production efficiency is reduced.

The technical scheme is as follows:

the utility model provides a membrane formula gas table measurement shell press seal and connecting rod assembly line, includes measurement shell press seal system and connecting rod assembly system, its key lies in: the metering shell press-sealing system comprises a rack A, a rotary indexing disc arranged on the rack A and a press-sealing machine arranged corresponding to the rotary indexing disc, wherein core body positioning seats uniformly distributed along the circumferential direction of the rotary indexing disc are arranged on the rotary indexing disc, a secondary positioning mechanism and a metering shell manipulator are arranged on one side of the rotary indexing disc, and the secondary positioning mechanism comprises turnover plates and profiling tools which are arranged in a one-to-one correspondence manner;

the connecting rod assembly system comprises a frame B, wherein a station transfer mechanism and a corresponding pointer disc adjusting mechanism and a connecting rod assembly mechanism are arranged on the frame B, the station transfer mechanism is arranged on the station transfer mechanism, the pointer disc adjusting mechanism is arranged on the upper stream of the connecting rod assembly mechanism, and a connecting rod feeding assembly corresponding to the connecting rod assembly mechanism is arranged on one side of the frame B.

Scheme more than adopting, carry out the secondary location through secondary positioning mechanism to the measurement shell at measurement shell press seal system, the measurement shell manipulator of being convenient for snatchs, it is higher to ensure lock gesture precision, thereby reach the effect that reduces the lock obstacle, and set up pointer dish guiding mechanism in connecting rod assembly system, adjust it to near being close to the farthest point, the fixed and the centering of the follow-up pointer dish of being convenient for, and then improve connecting rod assembly efficiency, two kinds of structures all are favorable to reducing assembly line error reporting probability, the production efficiency of whole assembly line has been improved in synthesis.

Preferably, the method comprises the following steps: the pointer disc adjusting mechanism comprises a rotary cylinder supported above the station transfer mechanism, the rotary cylinder is arranged vertically downwards, and the end part of a rotary piston rod of the rotary cylinder is provided with a shifting piece arranged along the radial direction of the rotary cylinder. The rotating cylinder is matched with the shifting piece to shift the pointer disc, so that the connecting rod fixing head on the rotating cylinder is close to the farthest point, the structure is simple, the implementation and the control are convenient, and the rotating cylinder is stable and reliable.

Preferably, the method comprises the following steps: when the core to be assembled is positioned at the station of the pointer disc adjusting mechanism, the rotary piston rod of the rotary cylinder is coaxially arranged with the pointer disc on the core to be assembled. Scheme more than adopting, when treating to adorn the core promptly and being located this station, rotary piston rod is located directly over the rotation center of pointer dish, and the eccentric power that reducible pointer dish received reduces dragging the pointer dish promptly, can reduce or avoid the damage risk to the pointer dish, guarantees that the pointer dish is intact, also can avoid appearing stirring the dead angle simultaneously.

Preferably, the method comprises the following steps: the machine core body placing station, the adjusting station, the lower connecting rod assembling station, the alternate station, the upper connecting rod assembling station and the station to be taken are sequentially arranged on the machine frame B along the length direction of the machine frame B, the pointer disc adjusting mechanism is arranged corresponding to the adjusting station, and the lower connecting rod assembling station and the upper connecting rod assembling station are respectively provided with a connecting rod assembling mechanism;

station moves and carries mechanism includes the guide rail that sets up along frame B length direction to and with this guide rail sliding fit and be the moving carrier of "n" shape and be used for the drive moving carrier slides along the guide rail and carries out the station switching cylinder that the station switches, moving the spacing subassembly that has on the carrier and set up with frame B each station one-to-one, spacing subassembly is used for the restriction to wait to adorn the horizontal degree of freedom of core, frame B below corresponds adjustment station, lower connecting rod assembly station and goes up the connecting rod assembly station and all is equipped with climbing mechanism, climbing mechanism can be with being in corresponding the station wait to adorn core jack-up. The station moves and carries the mechanism more than adopting, can better cooperate the jacking structure to use to adapt to the multistation and switch, overall structure is compacter, is favorable to reducing whole occupation space etc..

Preferably, the method comprises the following steps: the limiting assembly comprises a connecting rod side limiting rod and a rocker arm side limiting block which are opposite to each other, wherein the rocker arm side limiting block is close to one side of the connecting rod side limiting rod and is in a triangular shape matched with the core to be assembled. By adopting the scheme, the stability of the movement process of the to-be-mounted machine core can be better ensured, and the conditions such as deflection dislocation are prevented.

Preferably, the method comprises the following steps: connecting rod assembly devices includes and moves the spacing subassembly of mechanism top rocking arm, the spacing subassembly of pointer dish and centering subassembly in the station through the stand support, wherein the centering subassembly includes the centering cylinder that sets up along frame B width direction, and connect in the centering limiting plate of centering cylinder piston rod tip, centering limiting plate tip has the arc spacing groove that suits with the pointer dish upper connecting rod fixed head. Scheme more than adopting, except can carrying out spacing clamp tightly to rocking arm and pointer dish, can also fully guarantee simultaneously that the connecting rod fixed head on the pointer dish is in the midline, ensures that the rigidity, and the connecting hole on the connecting rod of being convenient for is adjusted well.

Preferably, the method comprises the following steps: the profiling tool is opposite to two sides and is provided with symmetrically arranged guide inclined planes. Scheme more than adopting, measurement shell manipulator pushes down earlier when snatching, utilizes the guide slope to expand the operation outward to the riveting tooth on the measurement shell, when back-off to the core on like this, can reduce because machining precision causes the obstructed condition emergence probability of lock, ensures that the measurement shell can lock smoothly to the core on, reduces the trouble promptly, is favorable to guaranteeing the normal operating of production line, also can reduce the action precision etc. of measurement shell manipulator simultaneously, the reduce cost of being convenient for.

Preferably, the method comprises the following steps: the measuring shell placing station is arranged on the rack A corresponding to the measuring shell manipulator, the pre-tightening cylinder arranged corresponding to the measuring shell placing station is arranged on the rack A, and the end part of a piston rod of the pre-tightening cylinder is provided with a pre-tightening plate just opposite to the buckling part of the measuring shell and the machine core body. Scheme more than adopting, after the core body was buckled to the measurement shell lock to the measurement shell manipulator, can will rivet the tooth inwards internal pressure on the measurement shell through the pretension cylinder, realize the pretension between measurement shell and the core to prevent to lead to the two to cooperate not hard up each other owing to last location expansion process, and then the relative core body dislocation of measurement shell in graduated disk rotation process even the condition of being thrown away takes place, makes it can keep good butt joint gesture follow rotation and arrive riveting station.

Preferably, the method comprises the following steps: the rotary dividing plate is provided with a window corresponding to the core body positioning seat, the rack A is provided with a jacking cylinder B corresponding to the metering shell placing station, the jacking cylinder B is vertically arranged upwards, the end part of a piston rod of the jacking cylinder B is provided with a clamping cylinder B, when the rotary dividing plate rotates, the core body positioning seat is located at the metering shell placing station, the clamping cylinder B is opened, and the jacking cylinder B can be lifted to enable the clamping cylinder B to complete clamping action on the core body located at the core body positioning seat through the window. By adopting the scheme, before the metering shell is pre-tightened, the clamping cylinder B is adopted to clamp the machine core body, so that the phenomenon that the machine core body shifts to cause inaccurate follow-up riveting position in the pre-tightening process can be prevented.

Preferably, the method comprises the following steps: and clamping plates are arranged on two piston rods of the clamping cylinder B, and positioning heads matched with shaft holes in the phase side walls of the machine core are arranged on the clamping plates. Scheme more than adopting, through the location axle hole adaptation on location head and the core, and then press from both sides tightly fixed, reducible wearing and tearing to the core surface can provide more stable clamping-force simultaneously, avoid because the smooth condition that leads to the centre gripping to skid of core surface takes place.

Compared with the prior art, the invention has the beneficial effects that:

by adopting the film type gas meter measuring shell press sealing and connecting rod assembly line provided by the invention, on one hand, the buckling obstruction of the measuring shell caused by the processing precision is fully considered, the press sealing is completed by adopting the shaping, expanding and pre-tightening modes, the buckling and even riveting press sealing efficiency of the measuring shell and the machine core is effectively improved, on the other hand, the position of the pointer disk is pre-adjusted, the connecting rod assembly alignment efficiency is improved and matched with each other, the error reporting probability of equipment is greatly reduced, the production efficiency of the gas meter is improved, meanwhile, the precision requirement on related equipment can be slightly relaxed, and the assembly line cost is favorably reduced.

Drawings

FIG. 1 is a schematic view of a metering housing press seal system of the present invention;

FIG. 2 is a schematic view of a secondary positioning mechanism;

FIG. 3 is an isometric view of FIG. 2;

FIG. 4 is a schematic structural view of a profiling fixture;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a schematic diagram of a pretensioner plate configuration;

FIG. 7 is a schematic view of the splint structure;

FIG. 8 is a schematic view of a positioning seat of the core body;

FIG. 9 is a schematic view of a metrology shell robot;

FIG. 10 is a side view of a metering housing;

FIG. 11 is a top view of a dosing housing;

FIG. 12 is a schematic view of a linkage assembly system according to the present invention;

FIG. 13 is a top view of FIG. 12;

FIG. 14 is a schematic structural view of a frame B;

FIG. 15 is a schematic view of a station transfer mechanism;

FIG. 16 is a side view of FIG. 15;

FIG. 17 is a front view of FIG. 15;

FIG. 18 is a schematic view of a jacking mechanism;

FIG. 19 is a top view of FIG. 18;

FIG. 20 is a schematic structural view of a pointer dial adjustment mechanism;

FIG. 21 is a schematic view of the link assembly mechanism;

FIG. 22 is a top view of FIG. 21;

FIG. 23 is a front view of FIG. 21;

FIG. 24 is a schematic view of the cartridge assembly completing the press sealing of the metering housing and the assembly of the connecting rod;

fig. 25 is an isometric view of fig. 24.

Detailed Description

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

Referring to fig. 1 to 25, the assembly line for press sealing and connecting rod of a diaphragm gas meter measuring shell mainly includes a measuring shell press sealing system and a connecting rod assembly system on the same diaphragm gas meter production line.

The measuring shell press-sealing system mainly comprises a rack A100, a rotary index plate 110 arranged on the rack A100 and a press-sealing machine 200 arranged corresponding to the rotary index plate 110, wherein the rotary index plate 110 is provided with core body positioning seats 120 uniformly distributed along the circumferential direction of the rotary index plate, the rotary index plate 110 is a traditional six-station index plate in the application, each station is provided with the core body positioning seat 120, the core body positioning seat 120 is provided with a positioning structure matched with the core body model, the core body can be placed on the core body positioning seat 120 in a relatively stable posture, six stations of the rotary index plate 110 are specifically divided into the following, wherein the first station is a core placing station, the second station is a diaphragm placing station, the third station is a waiting station, the fourth station is a measuring shell placing station 170, the fifth station is a measuring shell press-sealing station, the sixth station is a manipulator replacing station, and the press-sealing system is usually provided with a core manipulator corresponding to the first station, the film manipulator is configured corresponding to the second station and is used for grabbing a core body from a production line and placing the core body on the corresponding station on the core body positioning seat 120, grabbing a film and placing the core body on the corresponding station, the metering shell manipulator 400 is configured corresponding to the fourth station and is used for grabbing a metering shell and buckling the metering shell on the core body on the corresponding station, and the press sealing machine 200 is arranged corresponding to the fifth station and is used for riveting and fixing the metering shell and the core body.

The key point of this application lies in, is equipped with secondary positioning mechanism 300 in rotatory graduated disk 110 one side, and measures shell manipulator 400 and be located between secondary positioning mechanism 300 and the rotatory graduated disk 110, and it can directly snatch the measurement shell on the secondary positioning mechanism 300 and place to be in the core body positioning seat 120 that the station was placed to the measurement shell.

As shown in fig. 2 to fig. 5, the secondary positioning mechanism 300 in the present application mainly includes a turnover plate 310 and a profiling fixture 320, which are arranged in a one-to-one correspondence, wherein the turnover plate 310 is configured with a turnover cylinder 330, in this embodiment, an MSQB30A-M9BL cylinder is preferred, and is configured to receive a metering shell with an upward opening, the profiling fixture 320 is located at one side of the turnover plate 310, a shape of the profiling fixture is adapted to a shape of an inner cavity of the metering shell, and is configured to receive the metering shell with a downward opening, the core body positioning seat 120 is configured to place a core, the metering shell manipulator 400 is configured to transfer and buckle the metering shell on the profiling fixture 320 onto the core, and in addition, in actual implementation, the secondary positioning mechanism 300 is further configured with a transfer manipulator, which is configured to grab and place the stored metering shell on the stack onto the turnover plate 310.

In specific implementation, the secondary positioning mechanism 300 further includes a secondary positioning bottom plate 350, and a transferring plate 351 supported on the secondary positioning bottom plate 350, the turning cylinder 330 is disposed on the transferring plate 351, one end of the turning plate 310 is provided with a clamping cylinder a360, the above structure is convenient for modular assembly and field installation of the secondary positioning mechanism 300, in this embodiment, the secondary positioning mechanism is preferably an MHL2-16D (82_0) type cylinder, the clamping cylinder a360 is disposed along the width direction of the turning plate 310, two centering claws 361 are fixedly disposed on the left and right piston rods, the two centering claws 361 are symmetrically disposed along the length direction of the turning plate 310, in addition, under normal conditions, two sets of the turning plate 310 and the profiling tool 320 can be disposed on the secondary positioning bottom plate 350, and improvement of utilization efficiency of the secondary positioning bottom plate is facilitated.

In this application, profiling frock 320 except that the cavity molding adaptation with the measurement shell, still be provided with guide inclined plane 321 just bilateral symmetry at its length direction, as shown in the figure, profiling frock 320's length direction's both sides have the bar-shaped piece that sets up with the detachable mode, the upper surface slope of bar-shaped piece sets up and constitutes guide inclined plane 321, one side that guide inclined plane 321 is close to profiling frock 320 is the high side, and its high side flushes with profiling frock 320's border, after on measurement shell lock profiling frock 320, only need push down again, can reach the effect that the riveting tooth expands outward, the bar-shaped piece is fixed in profiling frock 320's both sides with the screw mode, be convenient for the later stage changes the bar-shaped piece of different gradients as required, in order to satisfy the expansion demand of different yards.

On this basis, the profiling fixture 320 of this embodiment has the spring ejector 322 that the symmetry set up in the middle part, and the structure of spring ejector 322 is similar to the spring pin, withdraws naturally when receiving pressure, then can automatic re-setting when pressure disappears, and its mainly used assists the measurement shell to bounce, avoids after the expansion riveting tooth, and the block is too tight between measurement shell and the profiling fixture 320, leads to measurement shell manipulator 400 to snatch the condition emergence of difficulty.

In addition, for further improving the position precision when the metering shell is placed on the profiling tool 320 and the riveting tooth is expanded outward, positioning columns 323 are arranged right at two corners of the bottom of the profiling tool 320, the size of each positioning column 323 is matched with a through hole at the opposite angle of the metering shell, when the metering shell is buckled on the profiling tool 320, the positioning columns 323 just penetrate through the through holes at the opposite angles of the metering shell, the further positioning effect is achieved, and meanwhile, the phenomenon of dislocation of the metering shell can be avoided when the riveting tooth is expanded outward.

During specific implementation, the profiling tool 320 is supported on the secondary positioning bottom plate 350 through the jacking cylinder A340, the jacking cylinder A340 is vertically upward, preferably an MGPM32-50A-M9BL (50_0) type cylinder, the profiling tool 320 is arranged at the top of the jacking cylinder A340, the height of the profiling tool 320 can be flexibly adjusted through the jacking cylinder A340, so that the profiling tool can adapt to the overturning action of the turnover plate 310 and the expanding and grabbing actions of the measuring shell manipulator 400, and the interference with the overturning action of the turnover plate 310 can be avoided.

In this embodiment, to further ensure the stability of the turnover process of the metering shell, the two ends of the turnover plate 310 in the length direction are provided with the vertical positioning plates 311 which are arranged oppositely, wherein at least one of the vertical positioning plates 311 is provided with a vertical positioning cylinder 370 for driving the corresponding vertical positioning plate 311 to move horizontally to be close to or away from the other vertical positioning plate 311, as shown in the figure, the vertical positioning cylinder 370 is a MGPM12-30Z-M9B type push cylinder which is supported on the middle rotation plate 351 through an upright post, one vertical positioning plate 311 is connected with a piston rod of the vertical positioning cylinder 370, the other vertical positioning plate 311 is fixedly arranged at one end close to the clamping cylinder a360, and the turnover plate 310, the two vertical positioning plates 311 and the two centering claws 361 surround to form a relatively closed space, so as to achieve better fixing and positioning effects on the metering shell.

Referring to fig. 1, 6 to 8, 24 and 25, in order to prevent the metering shell from being dislocated relative to the core body during the rotation process, a pre-tightening cylinder 130 is disposed on the rack a100 corresponding to the positioning station of the metering shell, a pre-tightening plate 131 facing the fastening position of the metering shell and the core is disposed at the end of the piston rod of the pre-tightening cylinder 130, as shown in the figure, the middle opening of the rotary indexing plate 110 is communicated with the rack a100 below, the pre-tightening cylinder 130 is fixedly disposed on the rack a100 and close to the middle of the rotary indexing plate 110, the piston rod of the pre-tightening cylinder is disposed outward along the radial direction of the rotary indexing plate 110, in particular, one side of the pre-tightening plate 131 facing the positioning station of the metering shell is provided with at least one pre-tightening head 132, the position of the pre-tightening head 132 corresponds to the lower part of the riveting teeth of the metering shell on the positioning station of the metering shell, the end surface of the pre-tightening head 132 is an inclined surface, the lower side is closer to the positioning station of the metering shell, that is closer to the upper side, that when the pre-tightening cylinder 130 works, the lower side of the end part of the pre-tightening head 132 is contacted with the riveting teeth of the metering shell earlier than the upper side, and the pressed riveting teeth are guided by the inclined surface and are easier to bend towards the machine core body, so that the pre-tightening effect is better.

It should be noted that the end face of the pre-tightening head 132 in this embodiment is not a full inclined plane, as shown in the figure, the upper and lower sides of the pre-tightening head 132 are both provided with a section of vertical plane, and smooth circular arc transition is adopted between the inclined plane and the vertical plane, and the arrangement of the vertical plane is favorable for ensuring the acting force balance of the pre-tightening head 132, and avoiding the slipping phenomenon that may occur in a point-line combination manner.

On this basis, a window 140 is formed in the rotary dividing disc 110 corresponding to the movement positioning seat 120, a jacking cylinder B150 is arranged on the rack a100 corresponding to the position where the metering shell is placed, the jacking cylinder B150 is located below the rotary dividing disc 110 and is arranged vertically upwards, a clamping cylinder B160 is arranged at the end of a piston rod of the rack a100, when the rotary dividing disc 110 rotates to enable the movement positioning seat 120 to be located at the position where the metering shell is placed, the clamping cylinder B160 is opened, and the jacking cylinder B150 can be lifted to enable the clamping cylinder B160 to pass through the window and clamp the movement located on the movement positioning seat 120, so that the pre-tightening cylinder 130 is prevented from working, and the movement is prevented from being deviated and misplaced.

During the concrete implementation, all be equipped with splint 161 on two piston rods of die clamping cylinder B160, splint 161 is last to have the location head 162 that suits with core body looks lateral wall shaft hole, and one of them one side of core body length direction has two shaft holes, the opposite side has a shaft hole near the middle part, splint 161 sets up the location head 162 that suits with the shaft hole, in operation, location head 162 inserts just in the shaft hole, form stable triangle-shaped and stabilize the clamping structure, improve the centre gripping reliability, reduce the wearing and tearing to core body surface simultaneously, be favorable to guaranteeing appearance quality and life etc..

The core body positioning seat 120 is substantially in an I shape, the avoidance openings 121 are formed in two sides of the length direction of the core body positioning seat, the middle of the core body positioning seat forms a positioning space 122 matched with the core body, on one hand, the occupied space of the core body positioning seat 120 can be reduced, on the other hand, the windowing size of a window can be reduced, the strength of the dividing disc is guaranteed, the moving stroke requirement of the clamping cylinder B is reduced, the cost is reduced, and the whole core body positioning seat is more compact.

As shown in fig. 9, in the embodiment, the metering shell manipulator 400 mainly includes a robot 410, and an adsorption pressing device 420 provided with an execution end of the robot 410, wherein the adsorption pressing device 420 includes a mounting plate 421 and pressing rods 422 distributed at four corners of the mounting plate 421, positions of the pressing rods 422 are adapted to positions of four corners of the metering shell, a negative pressure adsorption head 423 is provided at a middle portion of the mounting plate 421, and the negative pressure adsorption head 423 is connected to a negative pressure generation control device.

Referring to fig. 12 to 25, the connecting rod assembling system of the present invention mainly includes a frame B500, a station transferring mechanism 510, a pointer plate adjusting mechanism 600 and a connecting rod assembling mechanism 700 provided corresponding to the station transferring mechanism 510 are provided on the frame B500, a station of the pointer plate adjusting mechanism 600 is located at an upstream of the connecting rod assembling mechanism 700, and a connecting rod feeding assembly 800 provided corresponding to the connecting rod assembling mechanism 700 is provided at one side of the frame B500.

As shown in fig. 12 to 17, in the specific embodiment, the rack B500 is a strip-shaped plate structure, and has a core body placing station, an adjusting station, a lower connecting rod assembling station, an alternate station, an upper connecting rod assembling station, and a station to be taken, which are sequentially arranged along the length direction thereof, the pointer disk adjusting mechanism 600 is installed at the adjusting station, the lower connecting rod assembling station and the upper connecting rod assembling station are both provided with the connecting rod assembling mechanisms 700, and the rack B500 is provided with the through ports 530 corresponding to the stations.

The station transferring mechanism 510 includes a guide rail 511 disposed along the length direction of the machine frame B500, an n-shaped transferring frame 512 slidably engaged with the guide rail 511, and a station switching cylinder 514 for driving the transferring frame 512 to slide along the guide rail 511 to switch stations, wherein the transferring frame 512 has a limiting component 513 disposed corresponding to each station on the machine frame B500, and the limiting component 513 is used for limiting the lateral degree of freedom of the core to be loaded, i.e. preventing the core to be loaded from shifting in the length direction and the width direction relative to the transferring frame 512.

As shown in the figure, the limiting component 513 mainly includes a link side limiting rod 5130 and a rocker side limiting block 5131 which are arranged just opposite to each other, the link side limiting rod 5130 and the rocker side limiting block 5131 are arranged in groups and are respectively arranged on two sides of the moving frame 512, the link side limiting rod 5130 mainly limits the link side of the movement to be loaded, the rocker side limiting block 5131 mainly limits the rocker side of the movement to be loaded, and one side of the rocker side limiting block 5131, which is close to the link side limiting rod 5130, is in a triangular shape adapted to the movement to be loaded.

On the other hand, in order to further improve the production efficiency, the corresponding adjusting station, the lower connecting rod assembling station and the upper connecting rod assembling station below the frame B500 are respectively provided with the jacking mechanisms 520, the jacking mechanisms 520 are opposite to the through openings 530 one by one, and the jacking mechanisms 520 can jack the to-be-assembled machine cores at the corresponding stations, so that when the pointer disc is adjusted and the connecting rods are assembled, the to-be-assembled machine cores at the corresponding stations are jacked up through the jacking mechanisms 520 without hindering the continuous action of the moving frame 512, the waiting time is reduced, and the utilization efficiency of the to-be-assembled machine cores is greatly improved.

With reference to fig. 18 and 19, the jacking mechanism 520 mainly includes a jacking cylinder C521 vertically disposed corresponding to the through opening 530, and a wedge plate 522 supported at the top end of the jacking cylinder C521, the wedge plate 522 is adapted to the bottom shape of the core to be assembled, the middle part of the wedge plate 522 is provided with a positioning groove 523 arranged along the length direction of the wedge plate, a jacking head 524 adapted to a positioning shaft hole T0 on the core to be assembled is provided in the positioning groove 523, the jacking head 524 can be inserted into the positioning shaft hole T0 on the core to be assembled during operation, the core to be assembled is jacked up integrally, the shape of the wedge plate 522 is matched with the positioning groove 523 and the jacking head 524, the positioning effect on the core to be assembled is achieved together, and good stability is ensured when the core is jacked up.

Referring to fig. 1, 2 and 20, in the present application, the pointer dial adjusting mechanism 600 mainly includes a rotary cylinder 610 supported above the station transfer mechanism 510, the rotary cylinder 610 is disposed vertically downward, and a dial 620 disposed along a radial direction of the rotary cylinder is disposed at an end of a rotary piston rod of the rotary cylinder 610, and is implemented in such a manner that, when the to-be-loaded mechanism is at a station of the pointer dial adjusting mechanism 600, and the jacking mechanism 520 jacks up to a position, the rotary piston rod of the rotary cylinder 610 is disposed coaxially with a pointer dial on the to-be-loaded mechanism, and a connecting rod fixing head on the pointer dial and the dial 620 have an intersection part in a height direction, and the connecting rod fixing head is mainly used for shifting the pointer dial to be located near a farthest position relative to the rocker arm, so as to facilitate next-step connecting rod assembling alignment.

Referring to fig. 1, 2, and 21 to 23, the connecting rod assembly mechanism 700 in the present application mainly includes a rocker arm limiting assembly 720, a pointer plate limiting assembly 730, and a centering assembly 740 supported above the station transferring mechanism 510 through a column 710, where the centering assembly 740 includes a centering cylinder 741 disposed along the width direction of the frame B500, and a centering and limiting plate 742 connected to an end of a piston rod of the centering cylinder 741, and an end of the centering and limiting plate 742 has an arc-shaped limiting slot 743 adapted to a connecting rod fixing head on the pointer plate.

Specifically, as shown in the figure, the rocker arm limiting component 720 and the pointer disc limiting component 730 are located on two opposite sides, the centering component 740 and the pointer disc limiting component 730 are located on the same side, wherein the rocker arm limiting component 720 mainly comprises a rocker arm clamping seat 721 horizontally arranged on the corresponding upright post 710, the rocker arm clamping seat 721 is provided with a rocker arm clamping jaw 722 which is oppositely arranged and is in sliding fit with the rocker arm clamping seat 721, and a rocker arm clamping jaw cylinder 723 for driving the two rocker arm clamping jaws 722 to horizontally move towards or away from each other, a rocker arm limiting plate 724 is fixedly arranged at the end of the rocker arm clamping jaw 722, and the shape of the rocker arm limiting plate 724 is adapted to an included angle formed by two crossed rocker arms on a machine core to be installed when the crossed point is located in the middle.

The pointer disc limiting assembly 730 mainly comprises a pointer disc clamping seat 731 horizontally arranged on the corresponding upright column 710, two pointer disc clamping jaws 732 oppositely arranged on the pointer disc clamping seat 731, and a pointer disc clamping limiting cylinder 733 used for driving the two pointer disc clamping jaws 732 to oppositely move close to or far away, wherein the end part of the pointer disc clamping jaw 732 is provided with a pointer disc limiting plate 734, the end part of the pointer disc limiting plate 734 is provided with a clamping groove matched with a connecting rod fixing head on the pointer disc, and the centering cylinder 741 is arranged on the pointer disc clamping seat 731 and is positioned in the middle of the pointer disc clamping jaws 732.

The connecting rod feeding assembly 800 mainly comprises a vibrating disk feeder 810 and a connecting rod manipulator 820, wherein the vibrating disk feeder 810 is mainly used for adjusting a storage connecting rod, outputting a horizontal straight line after the posture of the connecting rod is adjusted, grabbing the horizontal straight line by the connecting rod manipulator 820 to prevent the horizontal straight line from being fixed on a core to be assembled, and two ends of the connecting rod are respectively connected with a rocker arm and a connecting rod fixing head on a pointer disk.

Referring to fig. 1 to 25, a simple description is first made of the structure of the metering shell K and the core body T, where the metering shell K is substantially in the shape of a cover with a concave middle portion, a trapezoidal cross section is provided with a straight flange at an opening, the flange edge has rivet teeth K0 arranged along the thickness direction thereof, four corners of the edge have positioning through holes K1, as shown in fig. 24 and 25, two positioning shaft holes T0 are provided on both sides of the core body T, one on each side of the core body T, the other side of the core body T, the positioning head 162 is arranged to just fit with the positioning shaft hole T0, the pointer disk T2 has a connecting rod fixing head T3, and fig. 24 and 25 show that the sealing of the metering shell K and the assembling of the connecting rod T4 are completed.

The working principle of the measuring shell press-sealing system is as follows, firstly, the turnover plate 310 is in a horizontal upward posture, the clamping cylinder A360 is in an open posture, the longitudinal positioning cylinder 370 is in a reset posture, the jacking cylinder A340 is in a reset posture, the transfer manipulator grabs the measuring shell with the cavity upward from the stack and places the measuring shell on the turnover plate 310, the longitudinal positioning cylinder 370 adjusts the longitudinal position of the measuring shell on the turnover plate 310, clamps and fixes the measuring shell through the clamping cylinder A360, and the turnover cylinder 330 works to drive the turnover plate 310 to eccentrically rotate 180 degrees after determining that no measuring shell exists on the profiling tool 320 according to a correspondingly arranged sensor, and the measuring shell is in a cavity downward posture and is positioned right above the corresponding profiling tool 320.

The jacking cylinder A340 works to drive the profiling tool 320 to rise, after the positioning column 323 penetrates through a through hole in the diagonal line of the metering shell, the clamping cylinder A360 is loosened, and the overturning cylinder 330 drives the overturning plate 310 to reset.

Any core body positioning seat 120 on the rotary indexing disc 110 rotates along with the rotation to sequentially receive the core body and the membrane and then reach a metering shell placing station, the metering shell manipulator 400 is started, the pressing rod 422 is firstly contacted with four corners of the metering shell, the robot slightly applies pressure downwards (the pressure is actually set according to needs), riveting teeth on two sides of the metering shell are outwards expanded under the action of the guide inclined plane 321, the negative pressure device is started after the measurement shell is reset, the metering shell is sucked and transferred and placed on the core body on the metering shell placing station 170 through the negative pressure adsorption head 423, and the metering shell and the core body are in accurate buckling postures.

The jacking cylinder B150 and the clamping cylinder B160 are started, the clamping cylinder B160 clamps the core body T after passing through the window 140, then the pre-tightening cylinder 130 is started, the pre-tightening head 132 applies pressure to the riveting teeth of the metering shell to bend inwards, the metering shell and the core body are relatively fixed, and therefore the situation that dislocation occurs between the metering shell and the core body before reaching a metering shell press-sealing station is prevented.

After a metering shell K on a machine core body T is well pressed, the machine core body T continues to enter a production line, after the machine core body is coated with glue, a valve gate assembly, a pointer assembly, a rocker arm and the like, the machine core body T enters a connecting rod assembly system of the invention to be assembled, a transfer manipulator grabs the machine core to be assembled from the production line and places the machine core to be assembled on a limiting assembly 513 at a placing station, a limiting block 5131 is matched with an inner groove T5 at the rocker arm side of the machine core to be assembled in shape, a transfer frame 512 moves to reach an adjusting station, a jacking mechanism 520 at the adjusting station jacks the machine core to be assembled at the moment, a rotating cylinder 610 is started, a plectrum 620 horizontally rotates to stir a connecting rod fixing head T3 to enable the position to be in an area far away from the rocker arm T1, and the transfer frame 512 can continuously switch stations in the process.

After the adjustment is completed, the moving and carrying frame 512 stops, the jacking mechanism 520 resets, the core to be assembled moves to the lower connecting rod assembling station along with the movement, the position of the rocker arm T1 is fixed through the rocker arm limiting component 720, meanwhile, the two sides of the connecting rod fixing head T3 are clamped through the pointer disk limiting component 730, the centering component 740 is combined to ensure that the connecting rod fixing head T3 is always at the farthest position relative to the rocker arm T1, then the connecting rod T4 is grabbed through the connecting rod manipulator 820 and placed, the two ends of the connecting rod fixing head T3 and the two ends of the connecting rod fixing head T1 are respectively fixed relatively, after the upper connecting rod and the lower connecting rod are assembled, the upper connecting rod and the lower connecting rod are transferred to the station to be taken, and the next step in the production line is waited to enter.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims (9)

1. The utility model provides a diaphragm type gas table measurement shell press seal and connecting rod assembly line, includes measurement shell press seal system and connecting rod assembly system, its characterized in that: the measuring shell press sealing system comprises a rack A (100), a rotary indexing disc (110) arranged on the rack A (100) and a press sealing machine (200) arranged corresponding to the rotary indexing disc (110), wherein core body positioning seats (120) uniformly distributed along the circumferential direction of the rotary indexing disc (110) are arranged on the rotary indexing disc (110), a secondary positioning mechanism (300) and a measuring shell manipulator (400) are arranged on one side of the rotary indexing disc (110), the secondary positioning mechanism (300) comprises a turnover plate (310) and a profiling tool (320) which are arranged in a one-to-one correspondence manner, the profiling tool (320) is adapted to the cavity modeling of the measuring shell, symmetrically arranged guide inclined planes (321) are arranged on two opposite sides in the length direction, and one side, close to the profiling tool (320), of the guide inclined plane (321) is a high side and is flush with the edge of the profiling tool (320);

the connecting rod assembly system comprises a frame B (500), wherein a station transfer mechanism (510) and a corresponding pointer disc adjusting mechanism (600) and a connecting rod assembly mechanism (700) are arranged on the frame B (500), the station transfer mechanism (510) is arranged on the pointer disc adjusting mechanism (600), the station of the pointer disc adjusting mechanism (600) is located on the upstream of the connecting rod assembly mechanism (700), and a connecting rod feeding assembly (800) corresponding to the connecting rod assembly mechanism (700) is arranged on one side of the frame B (500).

2. The press-sealing and connecting rod assembly line for the metering shell of the membrane gas meter as claimed in claim 1, wherein: the pointer disc adjusting mechanism (600) comprises a rotary cylinder (610) supported above the station transferring mechanism (510), the rotary cylinder (610) is arranged downwards vertically, and the end part of a rotary piston rod of the rotary cylinder is provided with a poking sheet (620) arranged along the radial direction of the rotary piston rod.

3. The diaphragm gas meter measuring shell press-sealing and connecting rod assembly line of claim 2, wherein: when the core to be assembled is positioned at the station of the pointer disc adjusting mechanism (600), the rotary piston rod of the rotary cylinder (610) is coaxially arranged with the pointer disc on the core to be assembled.

4. A diaphragm gas meter measuring shell press-sealing and connecting rod assembly line as claimed in any one of claims 1 to 3, wherein: the machine core body placing station, the adjusting station, the lower connecting rod assembling station, the alternate station, the upper connecting rod assembling station and the station to be taken are sequentially arranged on the rack B (500) along the length direction of the rack B, the pointer disc adjusting mechanism (600) is arranged corresponding to the adjusting station, and the lower connecting rod assembling station and the upper connecting rod assembling station are both provided with connecting rod assembling mechanisms (700);

station moves and carries mechanism (510) including guide rail (511) that sets up along frame B (500) length direction to and with this guide rail (511) sliding fit and be "n" shape move and carry frame (512) and be used for the drive move frame (512) and slide along guide rail (511) and carry out station switching cylinder (514) that the station switches, move frame (512) on have with frame B (500) on spacing subassembly (513) that each station one-to-one set up, spacing subassembly (513) are used for the restriction to wait to adorn the horizontal degree of freedom of core, frame B (500) below corresponds adjustment station, lower connecting rod assembly station and upper connecting rod assembly station and all is equipped with climbing mechanism (520), climbing mechanism (520) can be with being in corresponding station wait to adorn the core jack-up.

5. The press-sealing and connecting rod assembly line for the metering shell of the membrane gas meter as claimed in claim 4, wherein: spacing subassembly (513) are including just connecting rod side spacing rod (5130) and rocking arm side spacing block (5131) to setting up, wherein rocking arm side spacing block (5131) are close to connecting rod side spacing rod (5130) one side and are the triangle-shaped that suits with treating the dress core.

6. A diaphragm gas meter measuring shell press-sealing and connecting rod assembly line as claimed in any one of claims 1 to 3, wherein: the connecting rod assembly mechanism (700) comprises a rocker arm limiting component (720), a pointer disc limiting component (730) and a centering component (740) which are supported above the station transfer mechanism (510) through an upright post (710), wherein the centering component (740) comprises a centering cylinder (741) arranged along the width direction of the rack B (500) and a centering limit plate (742) connected to the end part of a piston rod of the centering cylinder (741), and the end part of the centering limit plate (742) is provided with an arc-shaped limit groove (743) matched with a connecting rod fixing head on the pointer disc.

7. The diaphragm gas meter measuring shell press-sealing and connecting rod assembly line of claim 1, wherein: the measuring shell placing station is arranged on the rack A (100) corresponding to the measuring shell manipulator (400), the pre-tightening cylinder (130) arranged on the rack A (100) corresponding to the measuring shell placing station is arranged, and a pre-tightening plate (131) opposite to the measuring shell and the core body buckling part is arranged at the end part of a piston rod of the pre-tightening cylinder (130).

8. The diaphragm gas meter measuring shell press-sealing and connecting rod assembly line of claim 7, wherein: the rotary indexing disc (110) is provided with a window (140) corresponding to the movement positioning seat (120), a jacking cylinder B (150) is arranged on the rack A (100) corresponding to the position where the metering shell is placed on the station, the jacking cylinder B (150) is vertically arranged upwards, a clamping cylinder B (160) is arranged at the end part of a piston rod of the jacking cylinder B, when the rotary indexing disc (110) rotates, the movement positioning seat (120) of the movement is located on the metering shell placing station, the clamping cylinder B (160) is opened, and the jacking cylinder B (150) can be lifted to enable the clamping cylinder B (160) to complete clamping action on the movement located on the movement positioning seat (120) of the movement through the window.

9. The diaphragm gas meter measuring shell press-sealing and connecting rod assembly line of claim 8, wherein: and clamping plates (161) are arranged on two piston rods of the clamping cylinder B (160), and positioning heads (162) corresponding to shaft holes in the side wall of the machine core are arranged on the clamping plates (161).

Images