CN117340486A - Automatic welding system for pressure sensor - Google Patents
Automatic welding system for pressure sensor Download PDFInfo
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- CN117340486A CN117340486A CN202311435779.5A CN202311435779A CN117340486A CN 117340486 A CN117340486 A CN 117340486A CN 202311435779 A CN202311435779 A CN 202311435779A CN 117340486 A CN117340486 A CN 117340486A
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- 238000003466 welding Methods 0.000 title claims abstract description 162
- 230000007246 mechanism Effects 0.000 claims abstract description 138
- 238000003825 pressing Methods 0.000 claims description 64
- 230000008878 coupling Effects 0.000 claims description 30
- 238000010168 coupling process Methods 0.000 claims description 30
- 238000005859 coupling reaction Methods 0.000 claims description 30
- 239000000523 sample Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 5
- 238000005493 welding type Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011166 aliquoting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention relates to the technical field of pressure sensor assembly devices, in particular to an automatic welding system for a pressure sensor, which comprises a feeding area, a welding area, an ID acquisition area and a blanking area, wherein the feeding area, the welding area, the ID acquisition area and the blanking area are arranged along the periphery of an equally-divided turntable mechanism; the welding area is provided with a welding mechanism and a rotary driving mechanism, and the rotary driving mechanism is positioned below the turntable; the ID acquisition area is provided with an ID acquisition mechanism for carrying out ID acquisition on the welded pressure sensor travelling to the area; the blanking area is provided with a blanking mechanism which is used for collecting the welded pressure sensor which moves to the area in a material dividing way; and a welding model identification mechanism is further arranged on the support and used for identifying the welding model of the pressure sensor entering the feeding area. The system is simple in structure and small in occupied area, can meet the welding requirements of sensors with different specifications, and can effectively save welding cost of manufacturers.
Description
Technical Field
The invention relates to the technical field of assembly devices, in particular to an automatic welding system for a pressure sensor.
Background
The pressure sensor is generally composed of a pressure sensitive element and a signal processing unit, is a device or a device capable of sensing pressure signals and converting the pressure signals into usable electric signals according to a certain rule to be output, is widely applied to various industrial self-control environments, and relates to various industries such as water conservancy and hydropower, railway transportation, intelligent building, production self-control, aerospace, military industry, petrochemical industry, oil well, electric power, ships, machine tools, pipelines and the like.
In order to ensure that the pressure sensor projected onto the market is a qualified product, before leaving the factory, the manufacturer needs to weld the shell and the base of the pressure sensor, and the welding quality has great influence on the service life of the later-stage sensor, especially the impact resistance of the sensor in the face of severe conditions such as collision.
The traditional welding mode mostly adopts manual welding, so that the efficiency is low, and the welding quality cannot be ensured due to the influence of technical experience of operators.
Some manufacturers with conditions customize the welding system to improve the welding efficiency of the sensor and coordinate with manual welding. Because the sensor is cylindrical, the welding seam is also circular, and the specification of the sensor is diversified according to different functions (mainly reflected in different diameters of the circumferential welding seam and different lengths of the sensor). Therefore, the production cost of manufacturers is increased in an intangible way by customizing one welding device of each model, and the device on the market is large in size, occupies a large area and is complex to operate.
Therefore, a new technical solution is urgently needed to solve the above-mentioned existing technical problems.
Disclosure of Invention
The invention aims to solve the problems of the prior art, and provides an automatic welding system for a pressure sensor, which is used for solving the technical problems that the manual dependence is large when a shell and a base of a traditional sensor are assembled, and the existing welding device has single function and cannot adapt to the welding of sensors with different specifications.
The above purpose is realized by the following technical scheme:
an automatic welding system for a pressure sensor comprises a workbench, wherein an aliquoting turntable mechanism, a welding mechanism, a rotary driving mechanism, an ID acquisition mechanism and a blanking mechanism are arranged on the workbench;
the equally-divided rotary table mechanism comprises a circular rotary table and a supporting table arranged at the axial center of the rotary table; the turntable is provided with a plurality of rotary supports for inserting the pressure sensors, and the adjacent positions of the rotary supports are respectively provided with a rotary support locking mechanism; the support table is provided with a support, the support is provided with a pressing mechanism and a locking driving mechanism, and the pressing mechanism can downwards press the pressure sensor on the rotary support; the locking driving mechanism can act on the rotary support locking mechanism to drive the rotary support locking mechanism to carry out limit locking on the rotary support;
a feeding area, a welding area, an ID acquisition area and a blanking area are arranged on the workbench corresponding to the periphery of the equally-divided turntable mechanism;
the welding area is provided with the welding mechanism and the rotary driving mechanism, and the rotary driving mechanism is positioned below the turntable and can rotationally drive the rotary support positioned right above the turntable;
the ID acquisition area is provided with the ID acquisition mechanism, and the ID acquisition mechanism is used for acquiring the ID of the pressure sensor which is advanced to the area and is welded;
the blanking area is provided with the blanking mechanism, and the blanking mechanism is used for collecting the pressure sensors which travel to the area and are welded completely;
the welding type recognition mechanism is used for recognizing the welding type of the pressure sensor entering the feeding area so as to confirm whether the pressure sensor is suitable for the welding mode.
Further, 4 rotary supports are arranged on the turntable at equal intervals; correspondingly, the feeding area, the welding area, the ID acquisition area and the blanking area are arranged on the workbench at equal intervals.
Further, a support through hole for embedding the rotary support is formed in the rotary table; the rotary support comprises a support rotating shaft penetrating through the support through hole, the support rotating shaft is connected with the support through hole through a support ball bearing, the lower end of the support rotating shaft is connected with a first coupling, the top of the support rotating shaft is provided with a lock disc with a lock groove, and the top of the lock disc is provided with a sensor socket for the pressure sensor to be inserted;
the rotary support locking mechanism comprises a pair of mutually symmetrical locking guide rods vertically arranged on the rotary table, a locking guide rod through hole for the locking guide rod to penetrate is formed in the rotary table, and the bottom end of the locking guide rod penetrates through the locking guide rod through hole and then is connected with the limiting gasket;
the tops of the 2 locking guide rods are connected with locking blocks, and locking bolts which can act on the locking grooves are arranged on the locking blocks; and a reset spring is sleeved on the locking guide rod corresponding to the upper part of the rotary table and drives the locking block to drive the lock tongue to lock the locking groove.
Further, the compressing mechanism comprises a compressing cylinder vertically arranged on the support, a compressing support plate is connected to the piston end of the compressing cylinder, a compressing through hole for a compressing rotary shaft to penetrate is formed in the compressing support plate, and the compressing rotary shaft is vertically connected with the compressing through hole through a compressing bearing seat;
the bottom of the compaction rotating shaft is connected with a pressing sleeve with a downward opening, a rotating pressing head is arranged in the pressing sleeve, and the rotating pressing head is fixed with an inner cavity of the pressing sleeve through a pressing head ball bearing.
Further, the rotary driving mechanism comprises a rotary motor, and a rotary shaft end of the rotary motor can penetrate through a rotary through groove formed in the workbench and is connected with a second coupler which can be connected with the first coupler; the rotary through groove is provided with a rotary lifting bracket, and the rotary motor is fixed with the rotary lifting bracket through a motor connecting seat.
Further, the welding mechanism comprises a first electric linear sliding table arranged on the surface of the workbench, a welding bracket is vertically connected to a sliding block of the first electric linear sliding table, a second electric linear sliding table vertical to the first electric linear sliding table is arranged on the welding bracket, a welding gun supporting plate is connected to a sliding block of the second electric linear sliding table, and a welding gun is arranged on the welding gun supporting plate; and the welding gun is connected with an external welding gun control cabinet.
Further, an air cooling support plate is further arranged on the side edge of the welding gun support plate, an air cooling pipeline is connected to the air cooling support plate, and an included angle is formed between an air outlet of the air cooling pipeline and a muzzle of the welding gun.
Further, the ID acquisition mechanism comprises an A-frame perpendicular to the surface of the workbench, a vertical ID cylinder is connected to the A-frame, a data acquisition probe module is connected to the piston end of the ID cylinder, and the data acquisition probe module is communicated with an external central control system.
Further, the welding model identification mechanism comprises a photoelectric switch, a code scanning gun and a signal lamp which are arranged on the bracket;
the photoelectric switch is used for detecting whether the feeding of the rotary support corresponding to the feeding area is completed or not;
the code scanning gun is used for identifying the type of the pressure sensor for feeding;
the signal lamp is used for carrying out light display on the code scanning state.
Further, the blanking mechanism comprises a blanking bracket, a belt conveying mechanism and a material collecting box which are vertically arranged on the surface of the workbench, and a blanking clamping claw device is arranged on the blanking bracket;
the blanking clamping claw device comprises a blanking support plate arranged at the top of the blanking support, an electric push rod and a blanking slide rail which are parallel to each other are arranged on the blanking support plate, a blanking slide block matched with the blanking slide rail is arranged on the blanking slide rail, the blanking slide block and the slide block of the electric push rod are respectively connected with a slide block connecting plate, a first blanking cylinder is fixed on the slide block connecting plate, the piston end of the first blanking cylinder is connected with a second blanking cylinder which is vertical to the first blanking cylinder, and the piston end of the second blanking cylinder is connected with a cylinder clamping jaw which is vertical to the second blanking cylinder;
the cylinder clamping jaw is used for clamping and shifting the pressure sensor into the belt type conveying mechanism or the collecting box.
Advantageous effects
According to the automatic welding system for the pressure sensor, provided by the invention, each rotary support is driven to circularly enter a corresponding station for processing or treatment through the rotation of the turntable, so that uninterrupted assembly welding of the pressure sensor is achieved; the system is simple in structure and small in occupied area, can adapt to the welding requirements of sensors with different specifications through position adjustment of each tool, and can effectively save welding cost of manufacturers. The system can adapt to different processing procedures of sensors with different specifications by changing program settings, and can pre-reject sensors which do not belong to the same type, so that the uniformity of the specifications of the sensors is ensured; by arranging the ID acquisition mechanism, the qualified state of the welded pressure sensor is checked, and meanwhile, the qualified or unqualified sensors can be classified and collected through the blanking mechanism.
Drawings
FIG. 1 is a schematic view of a belt cabinet and shield structure of an automatic welding system for a pressure sensor according to the present invention;
FIG. 2 is a top view of an automatic welding system for pressure sensors with a shield removed according to the present invention;
FIG. 3 is a schematic illustration of an aliquoting turret mechanism for an automatic welding system for pressure sensors according to the present invention;
FIG. 4 is a schematic diagram of a weld model identification mechanism of an automatic welding system for pressure sensors according to the present invention;
FIG. 5 is a schematic view of a table angle bottom view of an automatic welding system for pressure sensors according to the present invention;
FIG. 6 is a schematic view of a welding mechanism of an automatic welding system for a pressure sensor acting on a rotatable support according to the present invention;
FIG. 7 is a schematic diagram showing the operation of a rotary driving mechanism, a rotary support and a pressing mechanism of an automatic welding system for a pressure sensor according to the present invention;
FIG. 8 is a cross-sectional view of a rotary drive mechanism and rotary support, hold-down mechanism of an automatic welding system for pressure sensors according to the present invention;
FIG. 9 is a schematic view of a first view of a welding mechanism of an automatic welding system for pressure sensors according to the present invention;
FIG. 10 is a schematic view of a second view of a welding mechanism of an automated welding system for pressure sensors according to the present invention;
FIG. 11 is a schematic diagram of a blanking mechanism of an automatic welding system for a pressure sensor according to the present invention;
fig. 12 is a schematic diagram of an ID acquisition mechanism of an automatic welding system for a pressure sensor according to the present invention.
The graphic indicia:
the device comprises a workbench, a 101-feeding area, a 102-welding area, a 103-ID acquisition area, a 104-blanking area, a 105-support through hole, a 106-locking guide rod through hole and a 107-rotating through groove;
the device comprises an equal-division turntable mechanism, a 201-turntable, a 202-supporting table, a 203-driving motor, a 204-rotating support, a 205-bracket, a 206-support rotating shaft, a 207-support ball bearing, a 208-first coupling, a 209-locking disc, a 210-locking groove and a 211-sensor socket;
a rotary driving mechanism, 301-a rotary motor, 302-a second coupler, 303-a rotary lifting bracket, 304-a rotary motor connecting seat and 305-an adjusting nut;
the welding mechanism, 401-first electric linear sliding table, 402-welding bracket, 403-second electric linear sliding table, 404-welding gun supporting plate, 405-welding gun, 406-welding gun control cabinet, 407-C-shaped adjusting seat, 408-welding gun adjusting screw, 409-welding gun supporting seat, 410-air cooling supporting plate, 411-air cooling pipeline and 412-air cooling adjusting screw;
the device comprises an ID acquisition mechanism, a 501-triangular bracket, a 502-ID cylinder, a 503-data acquisition probe module, a 504-L-shaped slider, a 505-probe support and a 506-slide rail;
the device comprises a blanking mechanism, a 601-blanking support, a 602-belt conveying mechanism, a 603-collecting box, a 604-blanking support, a 605-blanking support plate, a 606-electric push rod, a 607-blanking slide rail, a 608-blanking slide block, a 609-slide block connecting plate, a 610-first blanking cylinder, a 611-second blanking cylinder and 612-cylinder clamping jaws;
the device comprises a pressing mechanism, 701-a pressing head ball bearing, 702-a rotating pressing head, 703-a pressing sleeve, 704-a pressing cylinder, 705-a pressing support plate, 706-a pressing rotating shaft, 707-a pressing through hole and 708-a pressing bearing seat;
a locking drive mechanism, 801-a locking support plate, 802-a locking plunger;
the rotary support locking mechanism, a 901-locking guide rod, a 902-limiting gasket, a 903-locking block, a 904-locking tongue and a 905-reset spring;
the welding model identification mechanism, 1001-photoelectric switch, 1002-code scanning gun and 1003-signal lamp;
pressure sensor, 1101-housing, 1102-base;
a cabinet body;
a shield.
Description of the embodiments
The invention is described in further detail below with reference to the drawings and examples. The described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, an automatic welding system for a pressure sensor comprises a workbench 1, wherein an equal-dividing turntable mechanism 2, a welding mechanism 4, a rotary driving mechanism 3, an ID acquisition mechanism 5 and a blanking mechanism 6 are arranged on the workbench 1;
the lower part of the workbench 1 is provided with a cabinet body 12, a protective cover 13 capable of protecting the mechanisms is arranged above the cabinet body 12, and an operation window is formed in the protective cover 13.
As shown in fig. 3, the equally dividing turntable mechanism 2 in this embodiment includes a circular turntable 201, and a support table 202 disposed at an axial center position of the turntable 201, and the turntable 201 is rotatable relative to the support table 202 under the action of a driving motor 203; a plurality of rotary supports 204 for inserting the pressure sensors 11 are arranged on the turntable 201, and rotary support locking mechanisms 9 are respectively arranged at adjacent positions of the rotary supports 204; a support 205 is arranged on the support 202, a pressing mechanism 7 and a locking driving mechanism 8 are arranged on the support 205, and the pressing mechanism 7 can press the pressure sensor 11 on the rotary support 204 downwards; the locking driving mechanism 8 can act on the rotating support locking mechanism 9 to drive the rotating support locking mechanism 9 to carry out limit locking on the rotating support 204;
as shown in fig. 2, a feeding area 101, a welding area 102, an ID obtaining area 103 and a blanking area 104 are arranged on the workbench 1 corresponding to the periphery of the bisection turntable mechanism 2;
the feeding area 101 is used for feeding the assembled pressure sensor 11;
the welding area 102 is provided with the welding mechanism 4 and the rotation driving mechanism 3, the rotation driving mechanism 3 is positioned below the turntable 1 and can rotationally drive the rotation support 204 positioned right above the rotation support, so that the welding mechanism 4 welds the pressure sensor 11 positioned on the rotation support 204;
the ID acquisition area 103 is provided with the ID acquisition means 5, the ID acquisition means 5 being for ID acquisition of the pressure sensor 11 that has traveled to the area and has completed welding;
the blanking area 104 is provided with the blanking mechanism 6, and the blanking mechanism 6 is used for collecting the pressure sensor 11 which runs to the area and is welded completely;
the support 205 is further provided with a welding model identification mechanism 10, and the welding model identification mechanism 10 is used for identifying a welding model of the pressure sensor 11 entering the feeding area so as to confirm whether the pressure sensor 11 is suitable for the welding mode;
working principle:
the dividing and rotating table mechanism 2 may drive the rotating table 201 to rotate so as to drive each rotating support 204 located on the supporting table 202 to perform a circular motion, and the dividing and rotating table mechanism circularly enters the feeding area 101, the welding area 102, the ID obtaining area 103 and the blanking area 104, so as to implement a circular operation on the pressure sensor 11 on each rotating support 204, and the steps include:
step (1), the shell 1101 and the base 1102 are assembled, but the welding model of the unwelded pressure sensor 11 is identified and fed;
welding between the housing 1101 and the base 1102 of the pressure sensor 11 in step (2);
step (3), acquiring the qualified state and ID of the welded pressure sensor 11;
and (4) carrying out material distribution and material discharging on the pressure sensor 11 with the ID obtained in the step 3, and mainly classifying and collecting the qualified and unqualified pressure sensors 11.
As an embodiment of the present solution, as shown in fig. 2 and 3, 4 rotary supports 204 are disposed on the turntable 201 at equal intervals, and an included angle between adjacent rotary supports 204 with the support table 202 as a center is 90 °; correspondingly, the feeding area 101, the welding area 102, the ID obtaining area 103 and the blanking area 104 are arranged on the workbench 1 at equal intervals, and the included angles between adjacent feeding area 101, welding area 102, ID obtaining area 103 and blanking area 104 are 90 degrees by taking the supporting table 202 as a circle center.
As one welding method of the present system to the pressure sensor 11, a method of spot welding first and then full welding is adopted.
Specifically, firstly, the rotary support is controlled to drive the pressure sensor to rotate for 120 degrees and to be suspended by the cooperation of the rotary driving mechanism and the pressing mechanism, and the welding mechanism 4 performs 1 st spot welding; then controlling the rotary support to drive the pressure sensor to rotate 120 DEG and pause (at the moment, the pressure sensor rotates 240 DEG), and carrying out spot welding for the 2 nd time by the welding mechanism 4; finally, the rotary support is controlled to drive the pressure sensor to rotate 120 degrees and pause (at the moment, the pressure sensor rotates 360 degrees), and the welding mechanism 4 performs 3 rd spot welding. At this time, the spot welding is completed, the rotating support is controlled to drive the pressure sensor to rotate 360 degrees and pause (at this time, the pressure sensor rotates 360 degrees), and the welding mechanism 4 synchronously performs full welding.
As shown in fig. 3 and 8, as an optimization of the rotary support 204 in the present embodiment, a support through hole 105 into which the rotary support 204 is inserted is formed in the turntable 201;
the rotary support 204 comprises a support rotating shaft 206 penetrating through the support through hole 105, the support rotating shaft 206 is connected with the support through hole 105 through a support ball bearing 207, the support rotating shaft 206 can rotate relative to the support through hole 105, a first coupler 208 is connected to the lower end of the support rotating shaft 206, a lock disc 209 with a lock groove 210 is arranged at the top of the support rotating shaft 206, and a sensor socket 211 for inserting the pressure sensor 11 is arranged at the top of the lock disc 209;
as shown in fig. 6 to 8, the rotary support locking mechanism 9 includes a pair of symmetrical locking guide rods 901 vertically disposed on the turntable 201, a locking guide rod through hole 106 is formed in the turntable 201 for the locking guide rod 901 to penetrate, and the bottom end of the locking guide rod 901 penetrates through the locking guide rod through hole 106 and then is connected with a limiting gasket 902;
a locking block 903 is connected to the top of the 2 locking guide rods 901, and a locking tongue 904 capable of acting on the locking groove 210 is arranged on the locking block 903; a return spring 905 is sleeved on the locking guide rod 901 corresponding to the upper part of the turntable 201 and the locking block 903, and the return spring 905 drives the locking block 903 to drive the locking tongue 904 to lock the locking groove 210.
It should be noted that, in a normal state, the rotating support 204 is locked by the rotating support locking mechanism 9, that is, the lock tongue 904 and the lock groove 210 are in a locked state, and the locked state is acted by the extension force of the return spring 905;
in the welding process, since the pressure sensor 11 is cylindrical, the welding needs to be performed along the outer side of the pressure sensor 11, and the locking driving mechanism 8 may act on the top of the locking block 903 to drive the 2 locking guide rods 901 to vertically and downwardly compress the return spring 905 to move downwards until the locking tongue 904 is separated from the locking groove 210, so as to unlock the locking disc 209 in a horizontal rotation manner, so that the welding mechanism 4 performs rotary welding between the housing 1101 and the base 1102 of the pressure sensor 11.
As shown in fig. 6 and 7, in this embodiment, the pressing mechanism 7 includes a pressing cylinder 704 vertically disposed on the support 205, a pressing support plate 705 is connected to a piston end of the pressing cylinder 704, a pressing through hole 707 through which a pressing rotation shaft 706 can pass is formed in the pressing support plate 705, and the pressing rotation shaft 706 is vertically connected to the pressing through hole 707 through a pressing bearing seat 708;
the bottom end of the pressing rotary shaft 706 is connected with a pressing sleeve 703 with a downward opening, a rotary pressing head 702 is arranged in the pressing sleeve 703, and the rotary pressing head 702 is fixed with the inner cavity of the pressing sleeve 703 through a pressing head ball bearing 701;
under the driving of the pressing cylinder 704, the pressing support plate 705 drives the pressing rotation shaft 706 to vertically move up and down, and indirectly drives the rotation pressing head 702 to press against the top of the pressure sensor 11 located in the rotation support 204;
when the rotary driving mechanism 3 drives the rotary support 204 to perform rotary motion, the pressure sensor 11 inserted into the rotary support 204 is limited, so that the pressure sensor performs driven rotation, and the rotary pressure head 702 pressed by the top of the pressure sensor is driven to rotate relative to the pressing sleeve 703;
on the other hand, when the rotary press head 702 and the press sleeve 703 are locked, the rotary press head 702 can still drive the pressing rotary shaft 706 to rotate relative to the pressing bearing seat 708, so as to further reduce damage to equipment while realizing secondary insurance;
the locking driving mechanism 8 for acting on the rotating support locking mechanism 9 in the present embodiment is a locking support plate 801 vertically connected to the pressing support plate 705, and a locking compression column 802 is vertically connected to the bottom end of the locking support plate 801;
specifically, under the driving of the pressing cylinder 704, the locking pressing column 802 may directly act on the rotating support locking mechanism 9 located directly below the pressing cylinder, and by applying pressure to the top of the locking block 903, the locking pressing column is driven to drive the 2 locking guide rods 901 to vertically press the return spring 905 downwards, until the locking tongue 904 is separated from the locking groove 210, so as to unlock the horizontal rotation of the lock disc 209, so that the welding mechanism 4 performs rotary welding between the housing 1101 and the base 1102 of the pressure sensor 11.
As shown in fig. 5 to 8, in this embodiment, the rotation driving mechanism 3 includes a rotation motor 301, and a rotation shaft end of the rotation motor 301 may penetrate through a rotation through slot 107 formed on the table 1 and is connected with a second coupling 302 that may be connected with the first coupling 208; the rotary through groove 107 is provided with a rotary lifting bracket 303, and the rotary motor 301 is fixed with the rotary lifting bracket 303 through a motor connecting seat 304.
Specifically, the position of the rotary motor connecting seat 304 on the rotary lifting bracket 303 can be adjusted by adjusting the nut 305;
when the first coupling 208 is shifted to the position of the second coupling 302, the support rotating shaft 206 corresponding to the first coupling 208 is slightly lifted and displaced due to the downward pressure applied by the pressing mechanism 7, so as to realize the bonding connection between the first coupling 208 and the second coupling 302, and the second coupling 302 can drive the first coupling 208 to indirectly drive the rotary support 204 to perform the rotary motion under the driving of the rotary motor 301, so as to drive the rotation of the pressure sensor 11, so that the welding mechanism 4 is rotationally welded;
or, as a second connection form between the first coupling 208 and the second coupling 302, a buckle and a slot structure capable of being mutually buckled are respectively provided on the first coupling 208 and the second coupling 302, so as to realize automatic buckling and unbuckling;
alternatively, as a third connection form between the first coupling 208 and the second coupling 302, positive and negative magnets capable of magnetically attracting each other are respectively disposed at the ends of the first coupling 208 and the second coupling 302, and when the first coupling 208 and the second coupling 302 are located on the same central axis, magnetic attraction connection occurs; when the support table 202 drives the rotary support 204 to drive the first coupling 208 to shift, 2 can be easily separated;
alternatively, as a fourth connection form between the first coupling 208 and the second coupling 302, a motor cylinder is mounted on the motor connection seat 304, a piston end of the motor cylinder is connected to the rotary motor 301, and the motor cylinder may drive the rotary motor 301 to vertically lift, so as to indirectly realize that the second coupling 302 is lifted up to be connected to the first coupling 208, or the second coupling 302 is lowered to be separated from the first coupling 208.
As shown in fig. 9 and 10, the welding mechanism 4 in this embodiment includes a first electric linear sliding table 401 disposed on the surface of the workbench 1, a welding bracket 402 is vertically connected to a sliding block of the first electric linear sliding table 401, a second electric linear sliding table 403 perpendicular to the first electric linear sliding table 401 is disposed on the welding bracket 402, a welding gun support plate 404 is connected to a sliding block of the second electric linear sliding table 403, and a welding gun 405 is disposed on the welding gun support plate 404; the welding gun 405 is connected with an external welding gun control cabinet 406;
the welding gun in this embodiment is preferably a laser spot welder.
Specifically, the first electric linear sliding table 401 may implement horizontal movement adjustment of the welding gun 405, and the second electric linear sliding table 403 may implement longitudinal lifting adjustment of the welding gun 405.
With respect to fine tuning of the torch 405, this embodiment is optimized as follows:
a C-shaped adjusting seat 407 is further arranged on the welding gun supporting plate 404, a welding gun adjusting screw 408 is arranged on the C-shaped adjusting seat 407, a welding gun support 409 is sleeved on the welding gun adjusting screw 408, and the welding gun 405 is fixed with the welding gun support 409;
specifically, by adjusting the welding gun adjusting screw 408, the horizontal movement of the welding gun support 409 can be adjusted, so that the adjustment of the horizontal displacement of the welding gun 405 is indirectly realized, and the position of the welding gun 405 relative to the pressure sensor 11 can be adjusted by manually adjusting the welding gun adjusting screw 408 for pressure sensors 11 with different sizes.
On the other hand, an air-cooled support plate 410 is further disposed on the side edge of the welding gun support plate 404, an air-cooled duct 411 is connected to the air-cooled support plate 410, and an air outlet of the air-cooled duct 411 forms an included angle with a muzzle of the welding gun 405; the air-cooled support plate 410 is connected with the welding gun support plate 404 through an air-cooled adjusting screw 412, so that vertical lifting adjustment of the air-cooled support plate 410 can be realized, and lifting adjustment of the air-cooled pipeline 411 can be indirectly realized.
As shown in fig. 4, in this embodiment, the ID acquisition mechanism 5 includes a tripod 501 perpendicular to the surface of the table 1, a vertical ID cylinder 502 is connected to the tripod 501, a data acquisition probe module 503 is connected to a piston end of the ID cylinder 502, and the data acquisition probe module 503 communicates with an external central control system;
the piston end of the ID cylinder 502 is connected with an L-shaped slide block 504, and correspondingly, a slide rail 506 capable of being matched with the L-shaped slide block 504 is provided on the side wall of the ID cylinder 502, and the L-shaped slide block 504 can stably slide relative to the ID cylinder 502 under the driving of the ID cylinder 502; the L-shaped sliding block 504 is connected with a probe support 505, and the data acquisition probe module 503 is mounted on the probe support 505;
the collection probe module 503 is controlled to move vertically by the ID cylinder 502, so as to contact the pressure sensor 11 located below, thereby facilitating the collection and transmission of information data.
As shown in fig. 12, the welding model identification mechanism 10 in this embodiment includes a photoelectric switch 1001, a code scanner 1002 and a signal lamp 1003 mounted on the stand 205;
the photoelectric switch 1001 is configured to detect whether loading on the rotary support 204 corresponding to the loading area 101 is completed, so as to send a status instruction to a central control system;
the code scanning gun 1002 is used for identifying the type of the pressure sensor 11 for feeding and transmitting data to a central control system to confirm whether the welding mode is suitable or not;
the signal lamp 1003 is used for displaying the code scanning state by light, and if the code scanning is successful, the lamp is turned on once.
As shown in fig. 11, in this embodiment, the discharging mechanism 6 includes a discharging support 601, a belt conveying mechanism 602, and a collecting box 603, which are vertically disposed on the surface of the workbench 1, and a discharging gripper device 604 is disposed on the discharging support 601;
the blanking claw device 604 comprises a blanking support plate 605 arranged at the top of the blanking support 601, an electric push rod 606 and a blanking slide rail 607 which are parallel to each other are arranged on the blanking support plate 605, a blanking slide block 608 matched with the electric push rod 606 is arranged on the blanking slide rail 607, the blanking slide block 608 and the slide block of the electric push rod 606 are respectively connected with a slide block connecting plate 609, a first blanking cylinder 610 is fixed on the slide block connecting plate 609, a second blanking cylinder 611 perpendicular to the piston end of the first blanking cylinder 610 is connected with the piston end of the first blanking cylinder 610, and a cylinder clamping jaw 612 perpendicular to the piston end of the second blanking cylinder 611 is connected with the piston end of the second blanking cylinder;
the cylinder clamping jaw 612 is used for clamping and shifting the pressure sensor 11 into the belt conveyor 602 or the collecting box 603;
in this embodiment, the belt conveyor 602 is a conventional belt conveyor, which is used for conveying the qualified welded pressure sensor 11, and a container such as a receiving tray may be disposed at the discharge end of the belt conveyor 602, so as to recover the discharged qualified materials;
the magazine 603 in this embodiment is used to collect pressure sensors 11 that are not acceptable for welding, for subsequent processing.
The above description is for the purpose of illustrating the embodiments of the present invention and is not to be construed as limiting the invention, but is intended to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principle of the invention.
Claims (10)
1. An automatic welding system for a pressure sensor is characterized by comprising a workbench (1), wherein an equal-dividing turntable mechanism (2), a welding mechanism (4), a rotary driving mechanism (3), an ID acquisition mechanism (5) and a blanking mechanism (6) are arranged on the workbench (1);
the equal-dividing turntable mechanism (2) comprises a circular turntable (201) and a supporting table (202) arranged at the axial center position of the turntable (201); a plurality of rotary supports (204) into which the pressure sensors (11) are inserted are arranged on the turntable (201), and rotary support locking mechanisms (9) are respectively arranged at adjacent positions of the rotary supports (204); a support (205) is arranged on the supporting table (202), a pressing mechanism (7) and a locking driving mechanism (8) are arranged on the support (205), and the pressing mechanism (7) can press the pressure sensor (11) on the rotary support (204) downwards; the locking driving mechanism (8) can act on the rotary support locking mechanism (9) to drive the rotary support locking mechanism (9) to carry out limit locking on the rotary support (204);
a feeding area (101), a welding area (102), an ID acquisition area (103) and a blanking area (104) are arranged on the workbench (1) corresponding to the periphery of the equal-dividing turntable mechanism (2);
the welding area (102) is provided with the welding mechanism (4) and the rotary driving mechanism (3), the rotary driving mechanism (3) is positioned below the turntable (1) and can rotationally drive the rotary support (204) positioned right above the turntable;
the ID acquisition area (103) is provided with the ID acquisition means (5), and the ID acquisition means (5) is used for carrying out ID acquisition on the pressure sensor (11) which has traveled to the area and has completed welding;
the blanking area (104) is provided with the blanking mechanism (6), and the blanking mechanism (6) is used for collecting the pressure sensor (11) which moves to the area and is welded completely;
the welding type recognition mechanism (10) is further arranged on the support (205), and the welding type recognition mechanism (10) is used for recognizing the welding type of the pressure sensor (11) entering the feeding area so as to confirm whether the pressure sensor (11) is suitable for the welding mode.
2. An automatic welding system for pressure sensors according to claim 1, characterized in that said rotary supports (204) are 4, equally spaced on said turret (201); correspondingly, the feeding area (101), the welding area (102), the ID acquisition area (103) and the discharging area (104) are arranged on the workbench (1) at equal intervals.
3. An automatic welding system for pressure sensors according to claim 1 or 2, characterized in that a support through hole (105) in which the rotating support (204) is embedded is made in the turntable (201); the rotary support (204) comprises a support rotating shaft (206) penetrating through the support through hole (105), the support rotating shaft (206) is connected with the support through hole (105) through a support ball bearing (207), a first coupler (208) is connected to the lower end of the support rotating shaft (206), a lock disc (209) with a lock groove (210) is arranged at the top of the support rotating shaft (206), and a sensor socket (211) for the pressure sensor (11) to be inserted is arranged at the top of the lock disc (209);
the rotary support locking mechanism (9) comprises a pair of mutually symmetrical locking guide rods (901) vertically arranged on the rotary table (201), a locking guide rod through hole (106) for the locking guide rod (901) to penetrate is formed in the rotary table (201), and the bottom end of the locking guide rod (901) penetrates through the locking guide rod through hole (106) and then is connected with the limiting gasket (902);
the tops of the 2 locking guide rods (901) are connected with locking blocks (903), and locking bolts (904) which can act on the locking grooves (210) are arranged on the locking blocks (903); the locking block (903) and the locking guide rod (901) corresponding to the upper part of the turntable (201) are sleeved with a reset spring (905), and the reset spring (905) drives the locking block (903) to drive the lock tongue (904) to lock the locking groove (210).
4. An automatic welding system for a pressure sensor according to claim 3, characterized in that the pressing mechanism (7) comprises a pressing cylinder (704) vertically arranged on the bracket (205), a pressing support plate (705) is connected to the piston end of the pressing cylinder (704), a pressing through hole (707) for a pressing rotating shaft (706) to penetrate is formed in the pressing support plate (705), and the pressing rotating shaft (706) is vertically connected with the pressing through hole (707) through a pressing bearing seat (708);
the bottom of compressing rotary shaft (706) is connected with pressure cover (703) of opening downwardly, be provided with rotatory pressure head (702) in pressure cover (703), rotatory pressure head (702) pass through pressure head ball bearing (701) with the inner chamber of pressure cover (703) is fixed.
5. An automatic welding system for pressure sensors according to claim 3, characterized in that the rotary drive mechanism (3) comprises a rotary motor (301), the rotary shaft end of the rotary motor (301) being able to pass through a rotary through slot (107) provided on the table (1) and being connected with a second coupling (302) which is able to form a connection with the first coupling (208); the rotary through groove (107) is provided with a rotary lifting bracket (303), and the rotary motor (301) is fixed with the rotary lifting bracket (303) through a motor connecting seat (304).
6. An automatic welding system for a pressure sensor according to claim 1, characterized in that the welding mechanism (4) comprises a first electric linear sliding table (401) arranged on the surface of the workbench (1), a welding bracket (402) is vertically connected to a sliding block of the first electric linear sliding table (401), a second electric linear sliding table (403) perpendicular to the first electric linear sliding table (401) is arranged on the welding bracket (402), a welding gun supporting plate (404) is connected to a sliding block of the second electric linear sliding table (403), and a welding gun (405) is arranged on the welding gun supporting plate (404); the welding gun (405) is connected with an external welding gun control cabinet (406).
7. The automatic welding system for a pressure sensor according to claim 6, wherein an air-cooled support plate (410) is further disposed on a side edge of the welding gun support plate (404), an air-cooled pipeline (411) is connected to the air-cooled support plate (410), and an air outlet of the air-cooled pipeline (411) forms an included angle with a muzzle of the welding gun (405).
8. An automatic welding system for pressure sensors according to claim 1, characterized in that the ID acquisition means (5) comprise an a-frame (501) perpendicular to the surface of the table (1), on which a vertically oriented ID cylinder (502) is connected, the piston end of the ID cylinder (502) is connected with a data acquisition probe module (503), which data acquisition probe module (503) communicates with an external central control system.
9. An automatic welding system for pressure sensors according to claim 1, characterized in that said welding model identification means (10) comprise a photoelectric switch (1001), a code scanner (1002) and a signal lamp (1003) mounted on said support (205);
the photoelectric switch (1001) is used for detecting whether the feeding of the rotary support (204) corresponding to the feeding area (101) is completed or not;
the code scanning gun (1002) is used for identifying the model of the pressure sensor (11) for feeding;
the signal lamp (1003) is used for displaying the code scanning state by light.
10. An automatic welding system for a pressure sensor according to claim 1, characterized in that the blanking mechanism (6) comprises a blanking bracket (601), a belt conveying mechanism (602) and a collecting box (603) which are vertically arranged on the surface of the workbench (1), wherein a blanking clamping claw device (604) is arranged on the blanking bracket (601);
the blanking clamping claw device (604) comprises a blanking support plate (605) arranged at the top of the blanking support (601), an electric push rod (606) and a blanking slide rail (607) which are parallel to each other are arranged on the blanking support plate (605), a blanking slide block (608) matched with the electric push rod is arranged on the blanking slide rail (607), the blanking slide block (608) and the slide block of the electric push rod (606) are respectively connected with a slide block connecting plate (609), a first blanking cylinder (610) is fixed on the slide block connecting plate (609), a second blanking cylinder (611) perpendicular to the first blanking cylinder is connected with the piston end of the first blanking cylinder (610), and a cylinder clamping jaw (612) perpendicular to the second blanking cylinder is connected with the piston end of the second blanking cylinder (611);
the cylinder clamping jaw (612) is used for clamping and shifting the pressure sensor (11) into the belt conveying mechanism (602) or the collecting box (603).
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| CN202311435779.5A CN117340486B (en) | 2023-11-01 | 2023-11-01 | Automatic welding system for pressure sensor |
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| CN202311435779.5A CN117340486B (en) | 2023-11-01 | 2023-11-01 | Automatic welding system for pressure sensor |
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| CN117340486B (en) | 2024-06-04 |
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