CN113070681A - Automatic assembly line of ultrasonic flowmeter and assembly method thereof - Google Patents
Automatic assembly line of ultrasonic flowmeter and assembly method thereof Download PDFInfo
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- CN113070681A CN113070681A CN202110382026.7A CN202110382026A CN113070681A CN 113070681 A CN113070681 A CN 113070681A CN 202110382026 A CN202110382026 A CN 202110382026A CN 113070681 A CN113070681 A CN 113070681A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/004—Feeding the articles from hoppers to machines or dispensers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/007—Picking-up and placing mechanisms
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Abstract
The invention provides an automatic assembly line of an ultrasonic flowmeter, which comprises: the pipe section press-fitting device is used for press-fitting the measuring pipe into the inner cavity of the pipe section; the part mounting device is arranged at the blanking end of the pipe section press-fitting device and is used for mounting a pipe section sealing ring, a transducer and a gasket; the automatic screw device is arranged at the blanking end of the part mounting device and used for locking the cover plate at the pipe section mounting position; the blanking stacking device is arranged at the blanking end of the automatic screw device and used for stacking the assembled and molded pipe sections; wherein, the feeding end of the automatic screw device is provided with a feeding device used for conveying the cover plate. The automatic assembling machine integrates press mounting, part mounting and stacking and tray loading, automatic operation can be realized on part feeding and material transferring, the assembling precision is improved, the production efficiency is improved, and the problems of large assembling error and high reject ratio caused by manual assembling are solved.
Description
Technical Field
The invention relates to the technical field of ultrasonic flowmeter production, in particular to an automatic assembly line for an ultrasonic flowmeter and an assembly method thereof.
Background
The ultrasonic flowmeter measures the flow by detecting the effect of fluid flow on ultrasonic beam (or ultrasonic pulse), and may be divided into propagation speed difference method, beam shift method, etc. according to different detection modes.
The existing ultrasonic flowmeter mainly comprises pipe sections, a measuring pipe, a sealing ring, a transducer, a gasket and other parts, the existing installation mode is mostly manually assembled, the quality is mainly determined by the proficiency of workers, the difference exists depending on the manual assembly, the ultrasonic flowmeter is precise testing equipment, the difference of any point can finally result in the badness of a product, therefore, the assembly error can often occur due to human factors, the performance cannot meet the requirement, and the reject ratio is high. Therefore, it is necessary to design a mechanical automatic assembly line for greatly improving the production efficiency while ensuring the product quality, instead of manual assembly.
Disclosure of Invention
The invention provides a production line which can realize the integration of pipe section press fitting, sealing ring installation, transducer installation, gasket installation, cover plate compression and locking, pipe section blanking and stacking, and can realize the automatic assembly of the procedures.
In order to solve the technical problems, the invention adopts the following technical scheme:
an automated assembly line for an ultrasonic flow meter, comprising:
the pipe section press-fitting device is used for press-fitting the measuring pipe into the inner cavity of the pipe section;
the part mounting device is arranged at the blanking end of the pipe section press-fitting device and is used for mounting a pipe section sealing ring, the transducer and a gasket;
the automatic screw device is arranged at the blanking end of the part mounting device and used for locking the cover plate at the mounting position of the pipe section; and
the blanking and stacking device is arranged at the blanking end of the automatic screw device and is used for stacking the assembled and molded pipe sections;
and a feeding device for conveying the cover plate is arranged at the feeding end of the automatic screw device.
Preferably, a transfer device for transferring workpieces is arranged between the pipe section press-fitting device and the part mounting device, between the part mounting device and the automatic screw device, and between the automatic screw device and the blanking stacking device.
Preferably, the transfer device includes:
transplanting a bracket;
the first air cylinder is fixedly arranged at the top of the transplanting support and is provided with a first mounting plate capable of horizontally displacing; and
and the second cylinder is fixedly arranged on the first mounting plate, and the output end of the second cylinder is provided with a clamping jaw capable of displacing along the vertical direction.
Preferably, the first cylinder is further provided with an adjusting block for limiting a transverse displacement limit of the mounting plate.
Preferably, the pipe segment press-fitting device comprises:
the top of the bottom plate is provided with a fixed bracket;
the positioning block is arranged on the top of the bottom plate in a sliding manner through a guide rail; and
the press-fitting air cylinder is arranged at one end, far away from the fixed support, of the bottom plate, and a press head for press fitting is arranged at the output end of the press-fitting air cylinder;
and the positioning block is also provided with a detection mechanism for detecting the press-fitting process.
Preferably, the detection mechanism includes:
the laser is arranged on the positioning block;
the receiver is arranged on one side, away from the laser, of the positioning block and used for receiving laser signals emitted by the laser; and
the reflector, the speculum is two of slope setting in measuring pipe, and two the reflector can be when surveying the pipe pressfitting target in place with the laser signal reflection of laser instrument transmission to receiver.
Preferably, the part installation device includes consecutive sealing washer installing zone, transducer installing zone and packing ring installing zone, three the installing zone all including the installation mechanism that is used for the part installation, installation mechanism includes:
a work table;
the feeding assembly is arranged on the workbench and is a vibrating disc;
the material distributing assembly is arranged at the discharging end of the material supplying assembly and is a material distributor;
the mounting bracket is arranged on the workbench, the top of the mounting bracket is provided with a third air cylinder, and the third air cylinder is provided with a second mounting plate capable of horizontally displacing; and
and the cylinder IV is arranged on the mounting plate II, and the output end of the cylinder IV is provided with a sucker capable of displacing in the vertical direction.
Preferably, the other spout blevile of push that still is equipped with of part installation device, spout blevile of push is including the spout that supplies the pipeline section to remove, still includes:
the material pushing bottom plate is arranged beside the sliding chute;
the first guide rail is arranged along the length direction of the material pushing bottom plate, and a connecting plate capable of displacing along the length direction of the first guide rail is arranged on the first guide rail; and
the second guide rail is arranged along the width direction of the connecting plate, and a material moving push plate capable of moving along the length direction of the second guide rail is arranged on the second guide rail;
the material moving push plate is located above the sliding groove and can move along the first guide rail and the second guide rail to push the pipe section to move along the sliding groove.
Preferably, the automatic screw device includes:
a base;
the screw machine tool is arranged at the top of the base and used for fixing the pipe sections;
the rotary cylinder can move along the transmission direction of the pipe section, and the output end of the rotary cylinder is provided with a sucker assembly for sucking the cover plate; and
and the automatic screw machine is arranged at the top of the base and used for locking the cover plate to the pipe section mounting position.
Preferably, the sucker assembly comprises a suction nozzle arranged on the pressing plate at the output end of the rotary cylinder and a vacuum generator connected with the suction nozzle through a connecting pipe.
Preferably, the blanking stacking device comprises:
a stacking support;
the material storage groove is fixedly arranged on the side wall of the stacking support and used for placing the pipe section, and a material pushing cylinder used for pushing the pipe section to move is further arranged on the material storage groove;
the material storage disc can move along the length direction of the bracket and comprises two side plates arranged on the side wall of the bracket and a plurality of material storage plates distributed between the two side plates at intervals;
the jacking cylinder is arranged at the bottom of the material storage plate in a sliding manner through a guide rail, and the output end of the jacking cylinder is provided with a groove body matched with the material storage plate; and
the telescopic cylinder is arranged on the side wall of the stacking support and used for driving the jacking cylinder to move along the guide rail.
Preferably, the material storage groove is further provided with a first sensor for detecting whether the pipe section is blanked, the side wall of the support is provided with a second sensor for detecting whether the material storage plate is full, and the tail end of the stacking support is further provided with a third sensor for detecting whether the material storage plate is in place.
Preferably, the feeding device comprises:
a feeding support;
the storage bin is arranged at the top of the feeding support and used for storing materials, and a balancing weight which can move along an inner cavity of the storage bin and is used for pressing down the materials to move downwards is further arranged at the top of the storage bin;
the pushing cylinder is arranged at the top of the feeding support, and the output end of the pushing cylinder is provided with a pushing plate which penetrates through the bin and can push out the material at the bottommost layer of the bin; and
and the material tray is arranged at the tail end of the material pushing plate and is used for receiving the materials pushed out by the material returning plate.
Preferably, the feed bin is internally provided with material storage areas which are distributed at intervals and matched with the shapes of the materials, and the top of the feeding support is also provided with a sensor IV for detecting whether the material tray has the materials or not.
The invention also discloses a method for assembling the ultrasonic flowmeter through an automatic assembly line, which comprises the following steps:
s1: placing a pipe section to be assembled in a pipe section press fitting device in a manual feeding mode, pressing a measuring pipe into the pipe section by using a press fitting cylinder to provide power, and detecting whether the press fitting process is installed in place or not by using a detection mechanism;
s2: the pipe section after the press mounting is moved into a part mounting device through a transfer device, and a sealing ring, an energy converter and a gasket are sucked and mounted to the pipe section through a sucker after being fed by a feeding assembly and being distributed by a distributing assembly so as to realize the sequential mounting of the sealing ring, the energy converter and the gasket;
s3: the pipe section after the installation of the part is moved to an automatic screw device through a transfer device and is fixed through the screw machine, at the moment, a cover plate provided by a feeding device is sucked by a sucker assembly and is pressed to an installation position through a rotary cylinder, and then the automatic screw machine is used for realizing the automatic locking of screws;
s4: after the screw locking process is finished, the pipe section is moved into the blanking stacking device through the transfer device, the material pushing cylinder pushes the pipe section into the material storage plates of the material storage plates to be sequentially stacked, after a single material storage plate is full of materials, the telescopic cylinder is used for pushing the material storage plates to move, stacking of the material storage plates which are not full of materials on the material storage plates is achieved, and blanking operation can be carried out after the material storage plates are full of materials.
According to the technical scheme, the invention has the following beneficial effects:
1. the pipe section press-fitting device comprises a press-fitting part and a detection part, wherein the press-fitting cylinder is used for providing press-fitting power, the pressure head is pushed to press-fit the measuring pipe into the pipe section, and the detection mechanism is used for detecting whether the press-fitting operation is qualified or not, so that the precision of the press-fitting process is ensured, and the reject ratio is reduced.
2. The part mounting device comprises the mounting mechanism, the sealing ring, the transducer and the gasket can be fed through the feeding assembly, and parts are sequentially separated through the distributing assembly, so that the materials can be conveniently taken and placed through the third air cylinder and the fourth air cylinder on the mounting support, and the taking and placing of the materials are convenient and fast.
3. According to the automatic screw device, the cover plate is grabbed and tightly pressed at the installation position of the pipe section by using the rotary air cylinder and the sucker assembly on the rotary air cylinder, and the cover plate is locked by the automatic screw machine, so that the accuracy of the installation position of the cover plate can be ensured, the problems that the locking force is unbalanced when the screw is locked manually and the cover plate is not locked in place are solved, and the automatic screw device has the advantage of high automation degree.
4. The pipe section press-fitting device and the part mounting device, the part mounting device and the automatic screw device, and the automatic screw device and the blanking stacking device are respectively provided with a transfer device, the clamping jaws are used for grabbing materials, and the materials are carried through the first air cylinder and the second air cylinder, so that the materials are transferred among different processes.
5. The feeding device is used for feeding the part cover plate, the material pushing cylinder pushes the cover plate in the storage bin out of the material tray and waits for the suction of the sucker component in the automatic screw device, and the feeding device has the advantages of convenience in cover plate feeding and high automation degree.
6. According to the blanking stacking device, the material pushing cylinder pushes the pipe sections in the material storage groove to the material storage plates of the material storage tray to be sequentially placed, when a single material storage plate is full of materials, the jacking cylinder can be lifted, the groove body at the output end of the jacking cylinder is matched with the material storage plate, the material storage tray is pushed to move on the side wall of the support through the telescopic cylinder, the material storage plate which is not filled with materials is in contact with the material discharging end of the material storage groove, and therefore the material storage plate which is not filled with materials can be conveniently fed.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a press-fitting structure of the pipe segment press-fitting device;
FIG. 3 is a schematic view of the construction of a pipe section and components thereon;
FIG. 4 is a schematic structural view of a transfer device;
FIG. 5 is a mechanism diagram of the parts mounting apparatus;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic structural diagram of a feeding device;
FIG. 8 is a schematic structural view of an automatic screw device;
FIG. 9 is a schematic structural view of portion A of FIG. 8;
FIG. 10 is a schematic structural diagram of a blanking and stacking device;
FIG. 11 is a schematic structural view of portion B of FIG. 10;
FIG. 12 is a side view of the dispensing assembly;
FIG. 13 is a top view of the dispensing assembly;
FIG. 14 is a schematic view of the chute pushing device;
fig. 15 is a schematic diagram of the movement of the material moving push plate.
In the figure: 10. a pipe section press-fitting device 11, a bottom plate 12, a fixing support 13, a positioning block 14, a press-fitting cylinder 15, a pressure head 16, a detection mechanism 161, a laser device 162, a receiver 163, a reflector 20, a part mounting device 21, a mounting mechanism 211, a workbench 212, a feeding assembly 2121, a feeding groove 213, a distributing assembly 2131, a distributing support 2132, a distributing cylinder 2133, a distributing plate 2134, a distributing baffle 214, a mounting support 215, a cylinder III, a mounting plate II, a mounting plate 217, a cylinder IV, 218, a suction cup 30, an automatic screw device 31, a base 32, a screw machine tool 33, a rotating cylinder 331, a pressing plate 34, a suction cup assembly 341, a suction nozzle 342, a vacuum generator 35, an automatic screw machine 40, a stacking device 41, a stacking support 42, a material storage groove 43, a material pushing cylinder I, 44. the device comprises a material storage disc, 441, two side plates, 442, a material storage plate, 45, a jacking cylinder, 46, a telescopic cylinder, 47, a first sensor, 48, a second sensor, 49, a third sensor, 50, a feeding device, 51, a feeding support, 52, a bin, 53, a balancing weight, 54, a second material pushing cylinder, 55, a material pushing plate, 56, a material disc, 57, a fourth sensor, 60, a transfer device, 61, a transplanting support, 62, a first cylinder, 63, a first mounting plate, 64, a second cylinder, 65, a clamping jaw, 66, an adjusting block, 70, a pipe section, 71, a measuring pipe, 72, a sealing ring, 73, a transducer, 74, a gasket, 75, a cover plate, 80, a chute material pushing device, 81, a chute, 82, a material pushing bottom plate, 83, a first guide rail, 84, a connecting plate, 85, a second guide rail, 86 and a material moving.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 3, an automated assembly line for an ultrasonic flow meter includes:
a pipe segment press-fitting device 10 for press-fitting the measuring pipe 71 into the inner cavity of the pipe segment 70;
the part mounting device 20 is arranged at the blanking end of the pipe section press-fitting device and is used for mounting the pipe section sealing ring 72, the transducer 73 and the gasket 74;
the automatic screw device 30 is arranged at the blanking end of the part mounting device and used for locking the cover plate 75 at the pipe section mounting position; and
the blanking and stacking device 40 is arranged at the blanking end of the automatic screw device and is used for stacking the assembled and molded pipe sections 70;
the feeding end of the automatic screw device is provided with a feeding device 50 used for conveying a cover plate 75, a pipe section 70 is placed at a press-fitting station in a manual feeding mode to realize press fitting of a measuring pipe 71 and the pipe section, then the pipe section is moved into a part mounting device 20, installation of a sealing ring 72, an energy converter 73 and a gasket 74 is sequentially realized, then the cover plate is locked on the pipe section through the automatic screw device 30, and then the assembled pipe section is moved to a discharging stacking device 40 to be stacked.
As a preferred technical scheme of the present invention, transfer devices 60 for transferring workpieces are disposed between the pipe segment press-fitting device 10 and the part installation device 20, between the part installation device and the automatic screw device 30, and between the automatic screw device and the blanking and stacking device 40, and by providing the transfer devices, the transfer of materials between different processes can be realized, and the work efficiency of the work can be improved.
Referring to fig. 4, further, the transfer device 60 comprises a transplanting support 61, a first air cylinder 62 and a second air cylinder 64, the first air cylinder is fixedly arranged at the top of the transplanting support, a first mounting plate 63 capable of horizontally moving is arranged on the first air cylinder, the second air cylinder is fixedly arranged on the first mounting plate, a clamping jaw 65 capable of vertically moving is arranged at the output end of the second air cylinder, the clamping jaw clamps and takes materials, the second air cylinder 64 lifts the materials to a safe height and then carries the materials through the first air cylinder 62, and the materials are moved to a proper position.
Further, the first cylinder 62 is provided with an adjusting block 66 for limiting the lateral displacement limit of the first mounting plate 63, and the adjusting block is used for adjusting the starting position and the ending position of the first cylinder.
Referring to fig. 2, as a preferred technical scheme of the present invention, a pipe segment press-fitting device 10 includes a bottom plate 11, a positioning block 13, and a press-fitting cylinder 14, wherein the top of the bottom plate is provided with a fixing support 12, the positioning block is slidably disposed at the top of the bottom plate through a guide rail, the press-fitting cylinder is disposed at one end of the bottom plate far away from the fixing support, and an output end of the press-fitting cylinder is provided with a press head 15; the positioning block 13 is further provided with a detection mechanism 16 for detecting a press-fitting process, the press-fitting operation part mainly provides power through the press-fitting cylinder 14, the pressure head 15 is pushed to press-fit the measuring pipe 71 into the pipe section 70, and whether the press-fitting process is installed in place or not can be detected through the detection mechanism 16, so that the assembling precision of the pipe section is improved.
Further, the detection mechanism comprises a laser 161, a receiver 162 and a reflector 163, wherein the laser is arranged on the positioning block, the receiver is arranged on one side of the positioning block away from the laser and is used for receiving laser signals emitted by the laser, specifically, the receiver in the invention can be a photosensitive element, the reflectors are two obliquely arranged in the measuring pipe 71, the two reflectors can reflect the laser signals emitted by the laser 161 to the receiver 162 when the measuring pipe is pressed in place, the laser 161 on the positioning block 13 generates a beam of laser to irradiate the measuring pipe with the reflectors, if the mounting position of the measuring pipe is accurate, the receiver on the positioning block on the other side can receive the optical signals and output qualified signals of the press-fitting operation; if the installation position deviates, the receiver cannot receive or only receives a small part of signals, and then a signal that the press-fitting operation is unqualified is output.
Referring to fig. 5 and 6, as a preferred technical solution of the present invention, the component mounting apparatus 20 includes a sealing ring mounting area, a transducer mounting area, and a gasket mounting area, which are connected in sequence, each of the three mounting areas includes a mounting mechanism 21 for mounting a component, the mounting mechanism includes a worktable 211, a feeding assembly 212, a material separating assembly 213, a mounting bracket 214, and a cylinder four 217, the feeding assembly is disposed on the worktable, specifically, the feeding assembly is a vibrating disc, the material separating assembly is disposed at a discharging end of the feeding assembly, the material separating assembly is a material distributor, the mounting bracket is disposed on the worktable, and a cylinder three 215 is disposed at a top thereof, a mounting plate two 216 capable of horizontal displacement is disposed on the cylinder three, a suction disc 218 capable of vertical displacement is disposed at an output end thereof, the feeding assembly 212 supplies a sealing ring, a transducer, and a gasket to be mounted, and the parts are sequentially separated by the material separating assembly 213 and sucked by the suction cups 218, and are mounted to the pipe sections by the displacement of the cylinder four 217 in the vertical direction and the displacement of the cylinder three 215 in the horizontal direction.
Further, referring to fig. 14, a chute pushing device 80 is further disposed beside the component mounting device 20, the chute pushing device includes a chute 81 for moving the pipe section, a pushing bottom plate 82, a first guide rail 83, and a second guide rail 85, the first guide rail is connected to a connecting plate 84 through a first slider, the second guide rail is connected to a material moving push plate 86 through a second slider, the material moving push plate is located above the chute and can move along the length direction of the pushing bottom plate through the first guide rail, and can move along the width direction of the pushing bottom plate through the second guide rail, specifically, in the actual use process, a power device, such as an air cylinder, a hydraulic rod, etc., can be disposed for driving the connecting plate 84 to move along the first guide rail 83 and the material moving push plate 86 to move along the second guide rail, as shown in fig. 15, the device takes point a as an example, and moves forward to point B after receiving the action completion signals of each work station to, the completion material is transported and is retreated to D point, moves to A point and waits for the signal again, repeats above-mentioned circulation to the realization moves the material in proper order to sealing washer installation station, transducer installation station, packing ring installation station, carries out the installation of above-mentioned spare part.
Further, referring to fig. 12-13, the material distributing assembly of the present invention includes a material distributing bracket 2131, a material distributing cylinder 2132 disposed on the material distributing bracket, and a material distributing plate 2133 capable of moving along the material distributing cylinder, wherein the height of the material distributing bracket is adjusted to make the material accommodating groove on the material distributing plate and the material feeding groove 2121 at the output end of the material feeding assembly 212 be in the same horizontal plane, when the material feeding assembly feeds the material, the material distributing plate is located on the left side, after the material feeding is completed, the material distributing cylinder drives the material distributing plate to move to the right side to implement material distributing, after the material taking by the suction cup 218 is completed, the material distributing plate returns to the left side again, the material distributing operation is completed by repeating the.
Referring to fig. 8 and 9, as a preferred embodiment of the present invention, the automatic screw device 30 includes a base 31, a screw machine tool 32, a rotary cylinder 33, and an automatic screw machine 35, the screw machine tool is disposed on the top of the base, for fixing the pipe section 70, the rotary cylinder can move along the transmission direction of the pipe section 70, the output end of the rotary cylinder is provided with a suction disc assembly 34 for sucking the cover plate 75, the automatic screw machine is arranged at the top of the base, for locking the cover plate 75 into the spool piece mounting position, after the seal, transducer and gasket on the spool piece have been installed, the pipe section is fixed by moving the pipe section into the clamp of the screw machine tool 32 through the transfer device, the cover plate is sucked by the suction disc assembly 34, then the cover plate 75 is placed at the position of the pipe section to be installed by rotating 180 degrees, the cover plate is pressed and fixed through the rotating air cylinder 33, at the moment, the automatic screw machine 35 is started, and screws are automatically grabbed to automatically lock the screws in all the screw holes.
Further, the suction cup assembly 34 includes a suction nozzle 341 disposed on the output end pressing plate 331 of the rotary cylinder and a vacuum generator 342 connected to the suction nozzle through a connection pipe, and the vacuum generator provides a negative pressure suction force for the suction cup to suck the cover plate.
Referring to fig. 10 and 11, as a preferred technical solution of the present invention, the blanking stacking apparatus 40 includes a stacking bracket 41, a material storage groove 42, a material storage tray 44, a jacking cylinder 45, and a telescopic cylinder 46, the material storage groove is fixedly disposed on a side wall of the stacking bracket and used for placing a pipe section, in order to achieve stable placement of the pipe section, the material storage groove can be set in a V shape, a material pushing cylinder 43 for pushing the pipe section to move is further disposed on the material storage groove, the material storage tray can move along a length direction of the bracket, the material storage tray includes two side plates 441 disposed on the side wall of the bracket and a plurality of material storage plates 442 spaced between the two side plates, and similarly, in order to facilitate placement of the pipe section on the side wall, the material storage plate can be set; the bottom end of the material storage groove 42 is arranged above the material storage plate 442, so that the first pushing cylinder 43 pushes the pipe section 70 from the material storage groove 42 to the material storage plate 442, the jacking cylinder 45 is arranged at the bottom of the material storage plate 44 in a sliding mode through a guide rail, the output end of the jacking cylinder is provided with a groove body matched with the material storage plate, the telescopic cylinder 46 is arranged on the side wall of the stacking support 41 and used for driving the jacking cylinder to move along the guide rail, the pipe section with the locked screw thread is placed in the material storage groove through the transfer device, the first pushing cylinder 43 pushes the material into the material storage plate 44, when the first pushing cylinder 43 pushes the material into the material storage plate for multiple times, all the materials move forwards along the material storage plate 442, after a single material storage plate is full, the jacking cylinder 45 extends out, the groove body at the output end of the jacking cylinder is matched with the material storage plate, at the time, the telescopic cylinder 46 extends out to drive the jacking cylinder to move along the guide, after the material storage plate reaches the designated position, the jacking cylinder returns, the groove body on the jacking cylinder is separated from the material storage plate, the telescopic cylinder returns, the next stacking operation of the material storage plate is carried out, the actions are repeated for many times, and the blanking operation can be carried out until the material storage plate is full.
Further, in order to improve the stacking efficiency of the pipe sections, a first sensor 47 for detecting whether the pipe sections are blanked is further arranged on the material storage groove 42, and when the first sensor detects that the pipe sections exist in the material storage groove, the pipe sections can be pushed into the material storage disc by using the material pushing cylinder; a second sensor 48 for detecting whether the material storage disc 44 is full is arranged on the side wall of the bracket, and when the second sensor detects that the material storage plate at the position is full, the material storage disc can be pushed to move by using the actions of the jacking cylinder and the telescopic cylinder, so that the material storage plate which is not full can be loaded; the tail end of the stacking support is also provided with a third sensor 49 for detecting whether the material storage disc is in place, and when the third sensor detects that the material storage disc 44 is in place, the material can be conveniently discharged from the full material storage disc.
Referring to fig. 7, as a preferred technical solution of the present invention, a feeding device 50 includes a feeding bracket 51, a bin 52, a second pushing cylinder 54 and a tray 56, the bin is disposed on the top of the feeding bracket and used for storing materials, the top of the bin is further provided with a weight 53 capable of moving along the inner cavity of the bin and used for pushing the materials downwards, the second pushing cylinder is disposed on the top of the feeding bracket, the output end of the second pushing cylinder is provided with a pushing plate 55 penetrating through the bin and capable of pushing out the materials at the bottom layer of the bin, the tray 56 is disposed at the end of the pushing plate and used for receiving the materials pushed out by the pushing plate, the feeding device provides a material cover plate 75 for an automatic screw device, the materials are stored in the bin 52, when the device works, the second pushing cylinder 54 extends, the pushing plate 55 pushes out the materials in the bin to the position of the tray 56, then the second pushing cylinder drives the pushing plate, and after the pushing plate 55 continues to push and the second pushing cylinder 54 retracts, the material tray 56 waits for material taking, and when the material in the material tray is taken away, the next feeding cycle process is performed.
Further, feed bin 52 is inside to be equipped with interval distribution and with material shape assorted stock area to the material is along feed bin free slip under the pressure effect of balancing weight, and material loading support 51 top still is equipped with sensor four 57 that is used for detecting the charging tray and has or not the material, and when the sensor detected the charging tray material, the accessible pushed away material cylinder two 54 and pushed out the material in the feed bin to in the charging tray 56.
The present invention also provides a method of assembling an ultrasonic flow meter via an automated assembly line, comprising the steps of:
s1: placing a pipe section 70 to be assembled in a pipe section press-fitting device 10 in a manual feeding mode, providing power through a press-fitting air cylinder 14 to press-fit a measuring pipe 71 into the pipe section, and detecting whether the press-fitting process is installed in place through a detection mechanism 16;
s2: the pipe section after press mounting is moved into the part installation device 20 through the transfer device 60, and after the sealing ring 72, the transducer 73 and the gasket 74 are fed through the feeding assembly 212 and are distributed through the distributing assembly 213, the pipe section is sucked and installed to the position of the pipe section through the suction cup 218, so that the sealing ring, the transducer and the gasket are installed in sequence;
s3: the pipe section after the installation of the parts is moved to the automatic screw device 30 through the transfer device and is fixed through the screw machine tool 32, at the moment, the cover plate 75 provided by the feeding device 50 is sucked through the sucker assembly 34 and is pressed to the installation position through the rotating cylinder 33, and then the automatic screw machine 35 is used for realizing the automatic locking of screws;
s4: after the screw locking process is finished, the pipe sections are moved into the blanking stacking device 40 through the transfer device, the first pushing cylinder 43 pushes the pipe sections into the material storage plates 442 of the material storage disc 44 to be sequentially stacked, after the single material storage plate 442 is full, the telescopic cylinder 46 is used for pushing the material storage disc 44 to move, so that the material storage plates which are not full on the material storage disc 44 can be stacked, and after the material storage disc is full, blanking operation can be performed.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (15)
1. Automatic assembly line of ultrasonic flowmeter, its characterized in that includes:
the pipe section press-fitting device (10) is used for press-fitting the measuring pipe (71) into an inner cavity of the pipe section (70);
the part mounting device (20) is arranged at the blanking end of the pipe section press-fitting device and is used for mounting a pipe section sealing ring (72), a transducer (73) and a gasket (74);
the automatic screw device (30) is arranged at the blanking end of the part mounting device and used for locking the cover plate (75) at the pipe section mounting position; and
the blanking and stacking device (40) is arranged at the blanking end of the automatic screw device and is used for stacking the assembled and molded pipe sections (70);
wherein, the feeding end of the automatic screw device is provided with a feeding device (50) used for conveying the cover plate (75).
2. The automatic assembly line according to claim 1, characterized in that transfer devices (60) for transferring workpieces are arranged between the pipe segment press-fitting device (10) and the part installation device (20), between the part installation device and the automatic screw device (30) and between the automatic screw device and the blanking and stacking device (40).
3. The automated assembly line according to claim 2, characterized in that the transfer device (60) comprises:
a transplanting frame (61);
the first air cylinder (62) is fixedly arranged at the top of the transplanting support, and a first mounting plate (63) capable of horizontally moving is arranged on the first air cylinder; and
and the second air cylinder (64) is fixedly arranged on the first mounting plate, and the output end of the second air cylinder is provided with a clamping jaw (65) capable of displacing in the vertical direction.
4. The automated assembly line of claim 3, wherein the first air cylinder (62) is further provided with an adjusting block (66) for limiting the lateral displacement limit of the first mounting plate (63).
5. The automated assembly line according to claim 3, wherein the pipe segment press-fitting device (10) comprises:
the top of the bottom plate (11) is provided with a fixed bracket (12);
the positioning block (13) is arranged on the top of the bottom plate in a sliding mode through a guide rail; and
the press-fitting air cylinder (14) is arranged at one end, far away from the fixed support, of the bottom plate, and a press head (15) for press-fitting is arranged at the output end of the press-fitting air cylinder;
and the positioning block (13) is also provided with a detection mechanism (16) for detecting the press-fitting process.
6. The automated assembly line of claim 5, wherein the detection mechanism comprises:
a laser (161) disposed on the positioning block;
the receiver (162) is arranged on one side of the positioning block away from the laser and used for receiving the laser signal emitted by the laser; and
the reflector (163), the speculum is two that the slope set up in the measuring pipe, and two the speculum can be when the measuring pipe pressfitting targets in place with the laser signal reflection of laser instrument to the receiver.
7. The automated assembly line of claim 5, wherein the parts mounting apparatus (20) comprises a gasket mounting region, a transducer mounting region, and a gasket mounting region connected in series, three of the mounting regions each comprising a mounting mechanism (21) for mounting parts, the mounting mechanism comprising:
a table (211);
a feed assembly (212) disposed on the table, the feed assembly being a vibratory pan;
the material distributing assembly (213) is arranged at the discharging end of the material supplying assembly and is a material distributor;
the mounting bracket (214) is arranged on the workbench, the top of the mounting bracket is provided with a third air cylinder (215), and the third air cylinder is provided with a second mounting plate (216) capable of horizontally displacing; and
and the cylinder IV (217) is arranged on the mounting plate II, and the output end of the cylinder IV is provided with a sucker (218) capable of displacing in the vertical direction.
8. The automated assembly line according to claim 7, characterized in that a chute pushing device (80) is further arranged beside the component mounting device (20), the chute pushing device comprises a chute (81) for moving the pipe section, and the assembly line further comprises:
the material pushing bottom plate (82) is arranged beside the sliding chute;
the first guide rail (83) is arranged along the length direction of the material pushing bottom plate, and a connecting plate (84) capable of displacing along the length direction of the first guide rail is arranged on the first guide rail; and
the second guide rail (85) is arranged along the width direction of the connecting plate, and a material moving push plate (86) capable of moving along the length direction of the second guide rail is arranged on the second guide rail;
the material moving push plate is located above the sliding groove and can move along the first guide rail and the second guide rail to push the pipe section to move along the sliding groove.
9. The automated assembly line according to claim 7, characterized in that said automated screw device (30) comprises:
a base (31);
the screw machine tool (32) is arranged at the top of the base and used for fixing the pipe section (70);
the rotary air cylinder (33) can move along the transmission direction of the pipe section (70), and the output end of the rotary air cylinder is provided with a sucker assembly (34) for sucking the cover plate (75); and
an automatic screw machine (35) disposed at the top of the base for locking the cover plate (75) to the pipe segment mounting location.
10. The automated assembly line according to claim 9, characterized in that the suction cup assembly (34) comprises a suction nozzle (341) arranged on a pressure plate (331) at the output end of the rotary cylinder and a vacuum generator (342) connected to the suction nozzle by a connecting tube.
11. The automated assembly line according to claim 9, wherein the blanking palletizing device (40) comprises:
a pallet support (41);
the stacking device comprises a material storage groove (42), a first pushing cylinder (43) and a second pushing cylinder, wherein the material storage groove is fixedly arranged on the side wall of the stacking support and used for placing a pipe section, and the first pushing cylinder (43) is used for pushing the pipe section to move;
the material storage disc (44) can move along the length direction of the bracket and comprises two side plates (441) arranged on the side walls of the bracket and a plurality of material storage plates (442) distributed between the two side plates at intervals;
the jacking cylinder (45) is arranged at the bottom of the material storage plate in a sliding manner through a guide rail, and the output end of the jacking cylinder is provided with a groove body matched with the material storage plate; and
and the telescopic cylinder (46) is arranged on the side wall of the stacking support and used for driving the jacking cylinder to displace along the guide rail.
12. The automatic assembly line according to claim 11, characterized in that the storage tank (42) is further provided with a first sensor (47) for detecting whether the pipe sections are blanked, the side wall of the support is provided with a second sensor (48) for detecting whether the storage tray (44) is full, and the tail end of the pallet support is further provided with a third sensor (49) for detecting whether the storage tray is in place.
13. The automated assembly line according to claim 11, characterized in that said loading device (50) comprises:
a feeding support (51);
the storage bin (52) is arranged at the top of the feeding support and used for storing materials, and a balancing weight (53) which can move along the inner cavity of the storage bin and is used for pressing down the materials to move downwards is further arranged at the top of the storage bin;
the pushing cylinder II (54) is arranged at the top of the feeding support, and the output end of the pushing cylinder is provided with a pushing plate (55) which penetrates through the bin and can push out the material at the bottommost layer of the bin; and
and the material tray (56) is arranged at the tail end of the material pushing plate and is used for receiving the materials pushed out by the material pushing plate.
14. The automatic assembly line according to claim 13, characterized in that the stock bin (52) is internally provided with stock areas which are distributed at intervals and matched with the shapes of the materials, and the top of the loading bracket (51) is also provided with a sensor four (57) for detecting whether the material is in the material tray or not.
15. The automated assembly line assembly method of ultrasonic flow meters according to any of claims 1-14, comprising the steps of:
s1: placing a pipe section (70) to be assembled in a pipe section press-fitting device (10) in a manual feeding mode, providing power through a press-fitting air cylinder (14) to press-fit a measuring pipe (71) into the pipe section, and detecting whether the press-fitting process is installed in place through a detection mechanism (16);
s2: the pipe section after press mounting is moved into a part mounting device (20) through a transfer device (60), and a sealing ring (72), a transducer (73) and a gasket (74) are sucked and mounted to the pipe section through a sucker (218) after being fed through a feeding assembly (212) and being distributed through a distributing assembly (213) so as to realize the sequential mounting of the sealing ring, the transducer and the gasket;
s3: the pipe section after the installation of the parts is moved to an automatic screw device (30) through a transfer device and is fixed through a screw machine tool (32), at the moment, a cover plate (75) provided by a feeding device (50) is sucked through a sucker assembly (34) and is pressed to an installation position through a rotating cylinder (33), and then the automatic screw machine (35) is used for realizing the automatic locking of screws;
s4: after the screw locking process is finished, the pipe sections are moved into a blanking stacking device (40) through a transfer device, a first pushing cylinder (43) pushes the pipe sections into material storage plates (442) of a material storage plate (44) to be sequentially stacked, after the single material storage plate (442) is full, the telescopic cylinder (46) is used for pushing the material storage plate (44) to move, so that the material storage plates which are not full on the material storage plate (44) can be stacked, and blanking operation can be carried out after the material storage plate is full.
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| CN202110382026.7A CN113070681B (en) | 2021-04-09 | 2021-04-09 | Automatic assembly line of ultrasonic flowmeter and assembly method thereof |
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| CN202110382026.7A CN113070681B (en) | 2021-04-09 | 2021-04-09 | Automatic assembly line of ultrasonic flowmeter and assembly method thereof |
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| CN113070681B (en) | 2022-06-07 |
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