CN115890183A - Water meter counter assembling device and assembling method - Google Patents
Water meter counter assembling device and assembling method Download PDFInfo
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- CN115890183A CN115890183A CN202211612365.0A CN202211612365A CN115890183A CN 115890183 A CN115890183 A CN 115890183A CN 202211612365 A CN202211612365 A CN 202211612365A CN 115890183 A CN115890183 A CN 115890183A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The invention provides a water meter counter assembling device which comprises a support platform, a material placing seat and a material moving mechanism, wherein the material placing seat is arranged on the support platform, a material placing groove for installing an upper shell of a counter is formed in the material placing seat, and a negative pressure air suction hole which is connected with a negative pressure air suction device and used for sucking a gear in a gear installation hole in the upper shell of the counter so as to keep the counter in an upright state is formed in the bottom surface of the material placing groove; the material moving mechanism is used for moving the gear to be assembled in the material waiting area into a shaft hole in the upper shell of the counter in the material placing seat and realizing gear assembly. The assembling device for the water meter counter has the advantages of compact structure and high assembling precision, and greatly improves the assembling efficiency and the yield of the water meter counter.
Description
Technical Field
The invention relates to a water meter, in particular to a water meter counter assembling device and method.
Background
With the increasing shortage of global fresh water resources, accurate measurement and management of water consumption are important. The water meter is used as an important measuring instrument for water consumption, and the measuring accuracy, the measuring range, the use reliability, the service life, the function, the manufacturing cost and the like of the water meter relate to the metering of water, the settlement of water charge, the use values in the aspects of water consumption control, water consumption saving, water consumption management and the like. The automation degree in the water meter production process directly influences the production benefits of water meter manufacturers, especially the production automation degree of water meter counters.
At present, the production of the water meter counter is mainly manually assembled, and the reason is that parts such as a counter gear and the like cannot be kept upright all the time and topple over due to vibration and shaking in the movement process of the device in the installation process of an upper clamping plate, a lower clamping plate and a supporting plate, so that the alignment of a gear shaft and a hole is difficult during the automatic assembly of the water meter counter, the gear cannot be accurately assembled into the gear hole of the upper clamping plate and the lower clamping plate during the automatic assembly, and the automatic assembly qualification rate of the water meter counter is reduced.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide the assembling device for the water meter counter, which has the advantages of high assembling precision, high efficiency and high yield.
Technical scheme for solving problems
The invention provides a water meter counter assembly device, which comprises:
the bracket platform 1 is used as a supporting and mounting carrier for mounting other components;
the material placing seat 7 is installed on the support platform 1, a material placing groove 710 for installing the upper shell 8 of the counter is formed on the material placing seat 7, and a negative pressure air suction hole 70 which is connected with a negative pressure air suction device and used for sucking a gear in a gear installation hole 820 on the upper shell 8 of the counter so as to keep the counter in an upright state is formed in the bottom surface of the material placing groove 710;
and the material moving mechanism is used for moving the gear to be assembled in the material waiting area into a shaft hole in the upper shell 8 of the counter in the material placing seat 7 and realizing gear assembly.
Further, a radial positioning portion for radially positioning the counter upper housing 8 is provided in the material accommodating groove 71.
Further, the material placing seat 7 comprises a material placing seat body 71, the top surface of the material placing seat body 71 is concave inwards and has a cross section with the same shape as the cross section of the upper counter shell 8, and the upper counter shell 8 is just clamped into the material placing groove 710.
Further, a pipe body 73 connected with a negative pressure air extractor is arranged on the material placing seat 7, an air extracting channel is formed in the pipe body 73, the end portion of the air extracting channel extends upwards and penetrates outside the material placing groove 710 to form a negative pressure air extracting hole 70, when the counter upper shell 8 is located on the material placing groove 710, a gap is formed between the bottom surface of the counter upper shell 8 and the bottom surface of the material placing groove 710 to form an air extracting cavity 710a, and the gear mounting hole 820 penetrates downwards and is communicated with the air extracting cavity 710a.
Further, the bottom of casing 8 is equipped with on the counter with the coaxial and location shrinkage pool that communicates of gear mounting hole 820, the bottom surface of putting silo 710 is equipped with and inserts the location boss 75 of location shrinkage pool, the centre bore has been seted up to the top surface of location boss 75 and has been formed aspirating hole 750, aspirating hole 750's aperture is more than or equal to the aperture of gear mounting hole, aspirating hole 750 communicates negative pressure aspirating hole 70.
Further, a cavity is formed in the material placing seat to form a sealed cavity 74, the sealed cavity 74 is located right below the material placing groove 710, and the air suction hole 750 and the negative pressure air suction hole 70 are communicated with the sealed cavity.
Further, a first sealing gasket is arranged between the contact surface of the material containing groove 710 and the upper counter shell 8.
Further, a second sealing gasket 76 is arranged between the contact surfaces of the positioning boss 75 and the positioning concave hole.
Furthermore, it includes the three-axis manipulator and sets up to move the material mechanism clamping mechanism 5 on the three-axis manipulator, be equipped with the sucking disc that is used for absorbing the gear on the clamping mechanism 5.
Meanwhile, the invention also provides a water meter counter assembling method, which comprises the following steps:
s1, placing a gear to be assembled in a material waiting area;
s2, starting a negative pressure air extraction device;
s3, placing the upper shell 8 of the counter in the material placing groove, and enabling the bottom of the upper shell of the counter to be in contact with the bottom surface of the material placing groove or using a positioning concave hole at the bottom of the upper shell of the counter to be completely inserted into a positioning boss;
s4, taking materials, moving a material moving mechanism to move a clamping mechanism to a position right above a gear to be taken, and grabbing or sucking the gear;
s5, discharging materials, namely moving the clamping mechanism to a position right above the corresponding gear mounting hole, moving downwards, inserting a shaft on the gear into the gear mounting hole, and loosening a clamping jaw or releasing negative pressure of a sucking disc to separate the gear from the clamping mechanism; the gear is sucked under the negative pressure of the material placing seat and kept in an upright state;
s6, repeating the steps S4-S5 and sequentially completing assembly of the gears;
s7, after all the gears are assembled, covering the lower counter shell on the upper counter shell;
and S8, releasing the negative pressure on the material placing seat, taking out the assembled water meter counter, and completing assembly.
Furthermore, the air extraction efficiency of the negative pressure air extraction device is more than or equal to 0.2m 3 Min is less than or equal to 1m 3 /min。
Advantageous effects
According to the assembling device for the water meter counter, the material placing seat is provided with the negative pressure air exhaust hole connected with the air exhaust device, a negative pressure area is formed in the space between the upper shell of the counter and the material placing seat, the gear placed in place in the corresponding gear mounting hole of the upper shell of the counter can be sucked in a negative pressure vacuum mode, the step of the gear is kept in close fit with the plane of the upper shell of the counter, the gear can be kept upright all the time in the movement process of the device, the gear which is assembled in place can be kept upright after the last gear of the counter is installed, and when the lower shell of the counter is installed, the shaft at the other end of the gear can be accurately assembled into the lower shell of the counter, so that the qualified rate and the assembling efficiency of the gear of the counter are guaranteed; the radial positioning part is arranged in the material placing groove, so that the rapid radial positioning installation of the upper shell of the counter can be realized, and the assembly precision and efficiency are improved; the positioning bosses are arranged in the material placing groove and correspond to the positioning concave holes in the bottom of the upper shell of the counter one by one, so that accurate positioning can be realized, the mounting precision is high, and meanwhile, the air exhaust holes are formed in the positioning bosses, so that the negative pressure air exhaust effect is good, the suction force to the gear is improved, the mounting precision and reliability of the gear are ensured, and the assembly efficiency and the yield are improved; the sealing gasket is arranged, so that the sealing performance is improved, the suction force is ensured, and meanwhile, the working noise is reduced; the clamping mechanism adopts a sucker structure, can grab a small-size gear, and has high grabbing precision and good grabbing effect; the suction nozzle is provided with the suction part, so that the contact fit degree with the gear is improved, the sealing performance is improved, and the gear taking effect and the reliability are further improved; the three-shaft material moving mechanism has the advantages of compact structure, small installation volume, low cost and high precision, and improves the assembly efficiency and the assembly precision; the sliding table assembly is provided with the limiting mechanism, so that the running reliability is improved, the over-stroke movement is avoided, and the safety and the reliability are high; the extension bracket is arranged, so that the movement path of the suction nozzle is increased, the suction nozzle can move to a material waiting area outside the bracket platform to take materials, and the overall mechanism layout is facilitated; the assembling device for the water meter counter has a compact structure and high assembling precision, and greatly improves the assembling efficiency and the yield of the water meter counter.
Drawings
Fig. 1 is a schematic structural diagram of a water meter counter assembling device of the invention;
fig. 2 is a schematic structural diagram of a material moving mechanism of the water meter counter assembling device of the invention;
fig. 3 is an exploded view of the material moving mechanism of the water meter counter assembling apparatus according to the present invention;
fig. 4 is a schematic structural diagram of a first sliding table assembly of the material moving mechanism of the water meter counter assembling device of the invention;
fig. 5 is a schematic structural diagram of a second sliding table assembly of the material moving mechanism of the water meter counter assembling device of the invention;
fig. 6 is a schematic structural view of a third sliding table assembly of the material moving mechanism of the water meter counter assembling device of the invention;
fig. 7 is a schematic view of an extension bracket of the water meter counter mounting apparatus of the present invention;
FIG. 8 is a schematic view of the structure of the suction nozzle of the water meter counter mounting apparatus of the present invention;
fig. 9 is a schematic structural view of a material placing seat of the water meter counter assembling device of the present invention;
fig. 10 is another angle structure diagram of the material placing seat of the water meter counter assembling device of the present invention;
fig. 11 is a cross-sectional view of a material placement seat of the water meter counter assembly of the present invention;
fig. 12 is a sectional view showing an assembled state of a material placing seat of the water meter counter assembling apparatus of the present invention;
fig. 13 is a schematic structural view of a material placing seat of another embodiment of the water meter counter assembling device of the present invention;
FIG. 14 is a schematic structural view of a positioning boss of a material placing seat of the water meter counter assembling device of the present invention;
fig. 15 is a structural schematic diagram of an assembly state of a material placing seat of the water meter counter assembly device of the invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
The invention provides a water meter counter assembling device, which is used for automatically assembling a water meter counter, wherein the water meter counter comprises an upper counter shell 8, a lower counter shell, a gear set and a mechanical counting disc, wherein the gear set and the mechanical counting disc are arranged between the upper counter shell and the lower counter shell;
referring to fig. 12 and 15, the structure of the upper housing of the counter includes a circular mounting plate, on which a plurality of circular truncated cone mounting bosses 82 are arranged, a central hole is arranged at the center of the upper surface of the mounting boss, and a gear mounting hole 820 is formed, and a limiting surface 82a is formed on the top surface of the mounting boss, and is used for contacting with a shaft shoulder on the gear shaft and realizing axial limiting of the gear; the edge of the mounting plate is provided with a cylindrical shell structure, and the lower end of the shell structure is positioned below the bottom surface of the mounting plate.
Referring to fig. 1 to 15, the water meter counter assembling device of the present invention includes a support platform 1, a material placing base 7 and a material moving mechanism.
The following description will be made of each component:
The material placing seat 7 is installed on the support platform 1, a material placing groove 710 is formed in the material placing seat 7 and used for installing an upper shell 8 of the counter, a negative pressure air suction hole 70 is formed in the bottom surface of the material placing groove 710, the negative pressure air suction hole 70 is connected with a negative pressure air suction device and used for sucking a gear in a gear installation hole 820 in the upper shell 8 of the counter, so that the gear is kept in an upright state and prevented from toppling over, and the assembling precision and the assembling efficiency are improved.
Specifically, the material placing seat 7 comprises a material placing seat body 71, the whole material placing seat body 71 is vertically arranged in a cylindrical shape, the top surface of the material placing seat body 71 is inwards concave and forms a material placing groove 710, the shape of the cross section of the material placing groove 710 is the same as that of the cross section of the upper shell 8 of the counter, and the upper shell 8 of the counter is just clamped (inserted) so as to realize accurate positioning and installation of the upper shell 8 of the counter; the bottom of putting seat body 71 is equipped with support component 72, and it is used for being connected with supporting platform, and in this embodiment, this support component 72 is the bracing piece of circumference equipartition, is equipped with the screw at the tip of bracing piece for through bolt and supporting platform fixed connection, consequently, it can dismantle, is convenient for maintain, maintain or change, improves whole life and application scope.
The lower end of the material placing seat 7 is provided with a tube body 73, the tube body 73 is connected with a negative pressure air extracting device, the negative pressure air extracting device is an air extracting pump and a vacuum pump, air extraction can be realized, negative pressure (suction) is formed, the tube body 73 comprises a first tube body which is vertically fixed at the lower end of the material placing seat and a second tube body which is connected to the side wall of the first tube body, the second tube body is horizontally arranged, and the end part of the second tube body forms a connecting part which is used for connecting a hose and is connected with the negative pressure air extracting device through the hose, so that air extraction is realized.
The negative pressure air exhaust structure on the material placing seat can adopt different schemes, which are respectively exemplified as follows:
in the first embodiment, referring to fig. 9 and 11 to 12, an air exhaust channel is formed in the tube 73 (the first tube), an end of the air exhaust channel extends upward and penetrates out of the material placing groove 710 to form a negative pressure air exhaust hole 70, the negative pressure air exhaust hole 70 is a central hole formed in the bottom surface of the material placing groove, the aperture of the negative pressure air exhaust hole is 1cm to 2cm, when the counter upper housing 8 is located in the material placing groove 710, a gap is formed between the bottom surface of the counter upper housing 8 and the bottom surface of the material placing groove 710, and an air exhaust cavity 710a is formed, meanwhile, the gear mounting hole 820 is communicated with the air exhaust cavity 710a, when the gear (shaft) is inserted, under the action of negative pressure (suction force), a shaft shoulder on the gear is attached to the limiting surface 82a on the gear mounting hole, and the gear (shaft) is in a vertical (upright) state, so as to prevent tilting and toppling, and assembly of the lower housing of the counter is facilitated, and assembly precision and efficiency are improved, and defective products are avoided.
In the second embodiment, referring to fig. 13-15, a positioning concave hole coaxial with the gear mounting hole 820 is provided at the bottom of the upper housing 8 of the counter, the positioning concave hole is communicated with the gear mounting hole, meanwhile, a positioning boss 75 is provided at the bottom of the material placing groove 710, the positioning boss 75 is cylindrical, and is in one-to-one correspondence with the positioning concave hole at the bottom of the upper housing of the counter, and can be inserted into the positioning concave hole, a central hole is provided at the top surface of the positioning boss 75, the central hole forms an air suction hole 750, the aperture of the air suction hole 750 is greater than or equal to the aperture of the gear mounting hole, and the air suction hole 750 is communicated with the negative pressure air suction hole 70; specifically, a cavity is formed in the material placing seat, and a sealed cavity 74 is formed, the sealed cavity 74 is located right below the material placing groove 710, the air suction hole 750 extends downward and is communicated with the sealed cavity 74, and the negative pressure air suction hole 70 extends upward and is communicated with the sealed cavity, so that the connection between the air suction hole and the negative pressure air suction hole is realized.
Compared with the first embodiment and the second embodiment, the one-to-one butt joint is adopted, the generated negative pressure suction force is larger, meanwhile, the upper shell of the counter can be accurately and radially positioned, and the assembling precision and the assembling efficiency are improved.
In order to improve the sealing performance and avoid air leakage and negative pressure effect caused by a gap between the upper shell of the counter and the material placing seat, in the first embodiment, a first sealing gasket is arranged between the contact surface of the material placing groove 710 and the upper shell 8 (cylindrical shell) of the counter, so that the sealing performance of the pumping cavity 710a is improved; in the second embodiment, a second sealing gasket 76 is disposed between the contact surface of the positioning boss 75 and the positioning recess, which can improve the sealing performance between the positioning boss and the positioning recess (gear mounting hole), avoid air leakage, improve the negative pressure effect, and reduce the working noise.
The material moving mechanism is used for moving the gear to be assembled in the material waiting area into a gear mounting hole in the counter upper shell 8 in the material placing seat 7 and realizing gear assembly.
Referring to fig. 1-6, the material moving mechanism comprises a three-axis manipulator and a clamping mechanism 5 arranged on the three-axis manipulator, the three-axis manipulator can realize three-axis (X, Y, Z) movement, and a sucker for sucking a gear is arranged on the clamping mechanism 5; the material moving mechanism comprises a first sliding table assembly 2, a second sliding table assembly 3 and a third sliding table assembly 4, the first sliding table assembly 2 is fixed on the support platform 1, the second sliding table assembly 3 is fixed on a first sliding seat 24 of the first sliding table assembly 2, the third sliding table assembly 4 is fixed on a second sliding seat 34 of the second sliding table assembly 3, and the clamping mechanism 5 is fixed on a third sliding seat 44 of the third sliding table assembly 4, wherein the sliding direction of the first sliding seat 24 is parallel to the horizontal plane, the sliding direction of the second sliding seat 34 is perpendicular to the horizontal plane, the sliding direction of the third sliding seat 44 is parallel to the horizontal plane, and meanwhile, the sliding direction of the first sliding seat 24 is perpendicular to the sliding direction of the first sliding seat.
In order to avoid moving over the stroke, two ends of the first sliding table assembly 2, the second sliding table assembly 3 and the third sliding table assembly 4 are respectively provided with a limiting mechanism which is a contact switch or an infrared inductor.
Referring to fig. 4, the first sliding table assembly 2 includes a first support 21 horizontally disposed, a first sliding table 23 is slidably disposed on the first support 21 along a length direction thereof, a first sliding seat 24 is fixed on the first sliding table through a bolt, a screw hole for mounting the second sliding table assembly is formed in the first sliding seat, a first driving motor 22 is fixed at an end of the first support 21, the first driving motor is a servo motor, an output end of the first driving motor is connected with a first screw 25 rotatably mounted on the first support 21, the length direction of the first screw 25 is parallel to the sliding direction of the first sliding table 23 and is in threaded connection with the first sliding table 23, and the first driving motor drives the first screw 25 to rotate, so as to drive the first sliding table 23 to slide; a first infrared sensor or a first contact switch 26 is arranged at two ends of the first support, a first contact block 27 capable of triggering the infrared sensor or the contact switch is fixed on the first sliding seat 24, and when the first sliding table slides to an extreme limit position, the first contact block can trigger the first infrared sensor or the first contact switch to send out a signal and enable the first driving motor to stop working, so that overtravel is avoided; in order to further improve the use safety and reliability, elastic parts are arranged at two ends of the first sliding table and used as anti-collision buffer parts, and the elastic parts can be springs or rubber blocks.
Referring to fig. 5, the second sliding table assembly 3 includes a second support 31 vertically arranged, a second sliding table 33 is slidably disposed on the second support 21 along a length direction thereof, a second sliding seat 34 is fixed on the second sliding table through a bolt, a screw hole for mounting the third sliding table assembly is formed in the second sliding seat, a second driving motor 32 is fixed at an upper end of the second support 31, the second driving motor is a servo motor, an output end of the second driving motor is connected with a second screw 35 rotatably mounted on the second support 31, the length direction of the second screw 35 is parallel to the sliding direction of the second sliding table 33 and is in threaded connection with the second sliding table 33, and the second driving motor drives the second screw 35 to rotate, so as to drive the second sliding table 33 to slide up and down; a second infrared sensor or a second contact switch 36 is arranged at two ends of the second support, a second contact block 37 capable of triggering the infrared sensor or the contact switch is fixed on the second sliding seat 34, and when the second sliding table slides to an extreme limit position, the second contact block can trigger the second infrared sensor or the second contact switch to send a signal and enable the second driving motor to stop working, so that overtravel is avoided; in order to further improve the use safety and reliability, elastic parts are arranged at two ends of the second sliding table and used as anti-collision buffer parts, and the elastic parts can be springs or rubber blocks; second support 31 passes through fixed bolster 6 to be fixed on first slide, and this fixed bolster includes the first support plate 61 of level setting and the perpendicular second mounting plate 62 that sets up, is equipped with strengthening rib 63 between first support plate and second mounting plate, improves overall structure intensity, and first support plate 61 passes through bolt and first slide fixed connection, and the second mounting plate passes through bolt and second support 31 fixed connection.
Referring to fig. 6, the third sliding table assembly 4 includes a third support 41 horizontally disposed, a length direction of the third support 41 is perpendicular to a length direction of the first support, a third sliding table 43 is slidably disposed on the third support 21 along the length direction thereof, a third sliding base 44 is fixed on the third sliding table through a bolt, a screw hole for mounting a clamping mechanism is formed in the third sliding base, a third driving motor 42 is fixed at an end of the third support 41, the third driving motor is a servo motor, an output end of the third driving motor is connected with a third screw 45 rotatably mounted on the third support 41, a length direction of the third screw 45 is parallel to a sliding direction of the third sliding table 43 and is in threaded connection with the third sliding table 43, and the third driving motor drives the third screw 45 to rotate so as to drive the third sliding table 43 to slide; a third infrared sensor or a third contact switch 46 is arranged at two ends of the third support, a third contact block 47 capable of triggering the infrared sensor or the contact switch is fixed on the third sliding seat 44, and when the third sliding table slides to an extreme limit position, the third contact block can trigger the third infrared sensor or the third contact switch to send a signal and enable the third driving motor to stop working, so that overtravel is avoided; in order to further improve the use safety and reliability, elastic parts are arranged at two ends of the third sliding table and serve as anti-collision buffer parts, and the elastic parts can be springs or rubber blocks.
Referring to fig. 7-8, the clamping mechanism includes a mounting base 53 fixed on the third slide 44, a clamping jaw capable of grabbing the gear or a suction nozzle 55 for sucking the gear is provided on the mounting base, in this embodiment, the last suction nozzle includes a vertically arranged suction nozzle body, a hole 552 is provided through the upper and lower ends of the suction nozzle body, the hole 552 can accommodate the shaft of the gear to be inserted, a connection hole 551 is provided at the upper end of the hole 552 for installing a hose, the hose is connected with a suction device (air pump), a suction portion 554 is provided at the lower end of the hole 552, and the suction portion 554 is used for contacting with the end face of the gear and realizing suction; in order to facilitate the insertion, the contact area is increased simultaneously, the stability and the reliability of material taking are improved, the suction portion 554 is in a horn shape with a large lower end and a small upper end, a sealing gasket is arranged at the lower end of the suction portion 554, or the suction portion 554 is integrally made of rubber, the fitting degree can be improved, the sealing performance is improved, and the stability of material taking is improved.
In this embodiment, the clamping mechanism is fixed on the third slide seat 44 through an extension bracket, the extension bracket enables the clamping mechanism to move to the outside of the support platform and grab the gear located in the material waiting area outside the support platform, specifically, referring to fig. 7, the extension bracket comprises a first mounting plate 51 fixed on the third slide seat 44, a connecting plate 52 fixed on the first mounting plate 51 and a second mounting plate 53 fixed at the end of the connecting plate 52, the first mounting plate and the second mounting plate are parallel to each other and are both perpendicular to the horizontal plane, the connecting plate 52 is a strip-shaped plate, the length direction of the strip-shaped plate is parallel to the sliding direction of the third slide seat 44, and the clamping mechanism is mounted on the second mounting plate 53.
Meanwhile, the invention also provides a water meter counter assembling method, which comprises the following steps:
s1, placing gears to be assembled in a material waiting area, and sorting and arranging the gears with different specifications;
s2, starting a negative pressure air extraction device;
s3, the upper shell 8 of the counter is placed in the material placing groove to realize radial and axial positioning, namely, the bottom of the upper shell of the counter is contacted with the bottom surface of the material placing groove or a positioning concave hole at the bottom of the upper shell of the counter is completely inserted into a positioning boss to further realize complete insertion;
s4, taking materials, actuating a material moving mechanism, moving the clamping mechanism to be right above the gear to be taken, moving downwards, grabbing or sucking the gear, and then moving upwards to facilitate horizontal movement;
s5, discharging materials, namely moving the clamping mechanism to a position right above the corresponding gear mounting hole, moving downwards, inserting a shaft on the gear into the gear mounting hole, and loosening a clamping jaw or releasing negative pressure of a sucking disc to separate the gear from the clamping mechanism; meanwhile, the gear is sucked under the negative pressure action of the material placing seat, under the action of the negative pressure (suction force), a shaft shoulder on the gear is attached to a limiting surface 82a on a gear mounting hole, and the gear (shaft) is in a vertical (upright) state to prevent inclination;
s6, repeating the steps S4-S5 and sequentially completing the assembly of the gears;
s7, after all the gears are assembled, covering the lower counter shell on the upper counter shell, and realizing quick insertion and installation of the lower counter shell because all the gears are in a vertical (upright) state;
and S8, releasing the negative pressure on the material placing seat, taking out the assembled water meter counter, and completing assembly.
In this embodiment, the air-extracting efficiency of the negative pressure air-extracting device is greater than or equal to 0.2m 3 Min is less than or equal to 1m 3 /min。
According to the assembling device for the water meter counter, the negative pressure air exhaust hole connected with the air exhaust device is arranged on the material placing seat, a negative pressure area is formed in the space between the upper shell of the counter and the material placing seat, the gear placed in place in the corresponding gear mounting hole of the upper shell of the counter can be sucked in a negative pressure vacuum mode, so that the step of the gear and the plane of the upper shell of the counter are kept in tight fit, the gear can be kept upright all the time in the movement process of the device, the gear which is already assembled in place can be kept upright after the last gear of the counter is installed, and when the lower shell of the counter is installed, the shaft at the other end of the gear can be accurately assembled into the lower shell of the counter, so that the qualified rate and the assembling efficiency of the gear of the counter are guaranteed; the radial positioning part is arranged in the material placing groove, so that the rapid radial positioning installation of the upper shell of the counter can be realized, and the assembly precision and efficiency are improved; the positioning bosses are arranged in the material placing groove and correspond to the positioning concave holes in the bottom of the upper shell of the counter one by one, so that accurate positioning can be realized, the mounting precision is high, and meanwhile, the air exhaust holes are formed in the positioning bosses, so that the negative pressure air exhaust effect is good, the suction force to the gear is improved, the mounting precision and reliability of the gear are ensured, and the assembly efficiency and the yield are improved; the sealing gasket is arranged, so that the sealing performance is improved, the suction force is ensured, and meanwhile, the working noise is reduced; the clamping mechanism adopts a sucker structure, can grab a small-size gear, and has high grabbing precision and good grabbing effect; the suction nozzle is provided with the suction part, so that the contact fit degree with the gear is improved, the sealing performance is improved, and the gear taking effect and the reliability are further improved; the three-shaft material moving mechanism has the advantages of compact structure, small installation volume, low cost and high precision, and improves the assembly efficiency and the assembly precision; the sliding table assembly is provided with the limiting mechanism, so that the running reliability is improved, the over-stroke movement is avoided, and the safety and the reliability are high; the extension bracket is arranged, so that the movement path of the suction nozzle is increased, the suction nozzle can move to a material waiting area outside the bracket platform to take materials, and the overall mechanism layout is facilitated; the assembling device for the water meter counter has a compact structure and high assembling precision, and greatly improves the assembling efficiency and the yield of the water meter counter.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A water meter counter assembly apparatus, comprising:
the bracket platform is used as a supporting and mounting carrier for mounting other components;
the material placing seat is arranged on the support platform, a material placing groove used for installing an upper shell of the counter is formed in the material placing seat, and a negative pressure air exhaust hole which is connected with a negative pressure air exhaust device and used for sucking a gear in a gear installation hole in the upper shell of the counter so as to keep the counter in an upright state is formed in the bottom surface of the material placing groove;
and the material moving mechanism is used for moving the gear to be assembled in the material waiting area into a shaft hole in the upper shell of the counter in the material placing seat and realizing gear assembly.
2. A water meter counter mounting assembly as claimed in claim 1, wherein: and a radial positioning part for radially positioning the upper shell of the counter is arranged in the material placing groove.
3. A water meter counter mounting assembly as claimed in claim 1, wherein: the material placing seat comprises a material placing seat body, wherein the top surface of the material placing seat body is inwards concave and forms a material placing groove which has the same cross section shape as that of the upper shell of the counter and just allows the upper shell of the counter to be clamped in.
4. A water meter counter assembly apparatus as claimed in claim 1, wherein: the counter is characterized in that a pipe body connected with a negative pressure air exhaust device is arranged on the material placing seat, an air exhaust channel is formed in the pipe body, the end part of the air exhaust channel extends upwards and penetrates outside the material placing groove to form a negative pressure air exhaust hole, when the counter upper shell is located on the material placing groove, a gap is formed between the bottom surface of the counter upper shell and the bottom surface of the material placing groove to form an air exhaust cavity, and the gear mounting hole penetrates downwards and is communicated with the air exhaust cavity.
5. A water meter counter mounting assembly as claimed in claim 1, wherein: the bottom of casing is equipped with the coaxial and location shrinkage pool that communicates of gear mounting hole on the counter, the bottom surface of putting the silo is equipped with and inserts the location boss of location shrinkage pool, the top surface of location boss is seted up the centre bore and is formed the aspirating hole, the aperture of aspirating hole is more than or equal to the aperture of gear mounting hole, the aspirating hole intercommunication negative pressure aspirating hole.
6. A water meter counter mounting assembly as claimed in claim 1, wherein: a cavity is formed in the material placing seat to form a sealed cavity, the sealed cavity is located right below the material placing groove, and the air exhaust hole and the negative pressure air exhaust hole are communicated with the sealed cavity.
7. A water meter counter assembly apparatus as claimed in claim 1, wherein: a first sealing gasket is arranged between the material placing groove and the contact surface of the upper shell of the counter.
8. A water meter counter mounting assembly as claimed in claim 1, wherein: and a second sealing gasket is arranged between the contact surfaces of the positioning boss and the positioning concave hole.
9. A water meter counter assembly apparatus as claimed in claim 1, wherein: the material moving mechanism comprises a three-axis manipulator and a clamping mechanism arranged on the three-axis manipulator, and a sucker used for sucking the gear is arranged on the clamping mechanism.
10. A water meter counter assembly method is characterized by comprising the following steps:
s1, placing a gear to be assembled in a material waiting area;
s2, starting a negative pressure air extraction device;
s3, placing the upper shell of the counter in a material placing groove, and enabling the bottom of the upper shell of the counter to be in contact with the bottom surface of the material placing groove or enabling a positioning concave hole at the bottom of the upper shell of the counter to be completely inserted into a positioning boss;
s4, taking materials, moving the material moving mechanism to move the clamping mechanism to be right above the gear to be taken, and grabbing or sucking the gear;
s5, discharging materials, namely moving the clamping mechanism to a position right above the corresponding gear mounting hole, moving downwards, inserting a shaft on the gear into the gear mounting hole, and loosening a clamping jaw or releasing negative pressure of a sucking disc to separate the gear from the clamping mechanism; the gear is sucked under the negative pressure of the material placing seat and kept in an upright state;
s6, repeating the steps S4-S5 and completing assembly of all gears in sequence;
s7, after all the gears are assembled, covering the lower counter shell on the upper counter shell;
and S8, releasing the negative pressure on the material placing seat, taking out the assembled water meter counter, and completing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211612365.0A CN115890183A (en) | 2022-12-15 | 2022-12-15 | Water meter counter assembling device and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211612365.0A CN115890183A (en) | 2022-12-15 | 2022-12-15 | Water meter counter assembling device and assembling method |
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| Publication Number | Publication Date |
|---|---|
| CN115890183A true CN115890183A (en) | 2023-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211612365.0A Pending CN115890183A (en) | 2022-12-15 | 2022-12-15 | Water meter counter assembling device and assembling method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116586941A (en) * | 2023-07-18 | 2023-08-15 | 山东汘沄智能科技股份有限公司 | Assembling device for water meter body and meter case |
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2022
- 2022-12-15 CN CN202211612365.0A patent/CN115890183A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116586941A (en) * | 2023-07-18 | 2023-08-15 | 山东汘沄智能科技股份有限公司 | Assembling device for water meter body and meter case |
| CN116586941B (en) * | 2023-07-18 | 2023-09-12 | 山东汘沄智能科技股份有限公司 | Assembling device for water meter body and meter case |
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