CN114838882B - Automatic double-station detection device for valve jump and air tightness - Google Patents
Automatic double-station detection device for valve jump and air tightness Download PDFInfo
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- CN114838882B CN114838882B CN202210304621.3A CN202210304621A CN114838882B CN 114838882 B CN114838882 B CN 114838882B CN 202210304621 A CN202210304621 A CN 202210304621A CN 114838882 B CN114838882 B CN 114838882B
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 241000252254 Catostomidae Species 0.000 claims abstract description 13
- 230000009191 jumping Effects 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/912—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems with rectilinear movements only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/917—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/918—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers with at least two picking-up heads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The invention discloses a double-station automatic detection device for valve jump and air tightness. The device comprises a feeding unit (1), a first carrying unit (2), a runout detection unit (3), a material distributing unit (4), a second carrying unit (5), two groups of airtight detection units (6) and a discharging unit (7); the feeding unit (1) is composed of a conveying frame (1-2), a conveying device, a separating device and a clamping device, the first conveying unit (2) is composed of a first transverse conveying device, a first vertical conveying device and two first suckers (2-5), the jumping detection unit (3) is composed of a positioning detection assembly (31) and a clamping assembly (32), the second conveying unit (5) is composed of two groups of conveying devices positioned on a frame (5-8), the distributing unit (4) is composed of two groups of material receiving devices, the airtight detection unit (6) is composed of an airtight positioning seat (6-11) and an airtight pressing head (6-12), and the discharging unit (7) is composed of a discharging frame (7-1) and a sliding way (7-2).
Description
Technical Field
The invention relates to a valve detection device, in particular to a device for automatically detecting valve runout and conical surface sealing performance.
Background
Currently, a dial indicator or a dial indicator is generally used for measuring the circle runout of the valve in a manual mode; the valve surface sealing performance is also measured by adopting a manual clamping mode. The detection mode has the defects of low efficiency, high labor intensity, poor detection reliability and the like.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the double-station automatic detection device for the valve jump and the air tightness, which has high detection efficiency and good detection reliability.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the automatic feeding device comprises a feeding unit, a first carrying unit and a second carrying unit which are sequentially arranged along the transverse direction, wherein a jumping detection unit is arranged between the feeding unit and the first carrying unit, a material distributing unit is arranged between the first carrying unit and the second carrying unit, two groups of airtight detection units are arranged on the right side of the material distributing unit and positioned below the second carrying unit, and two groups of unloading units are connected with the second carrying unit on the right side of the second carrying unit. Wherein:
The feeding unit consists of a conveying frame in butt joint with the slide, a guide rod positioned on the back of the conveying frame, two belt pulleys arranged between the conveying frame and the guide rod, a round belt connected with the two belt pulleys, a first motor fixed on the conveying frame and driving the belt pulleys, a signal device and a separation device fixed on the conveying frame and a clamping device; the separating device consists of a separating cylinder fixed on the conveying frame, a portal mounting frame driven by the separating cylinder, and two stop pins transversely arranged in a staggered manner on an open crotch in the mounting frame, and the clamping device consists of a clamping cylinder fixed on the conveying frame and provided with two clamping claws.
The first carrying unit is composed of a first transverse sliding plate arranged on the bracket through two first transverse sliding rails, a first transverse air cylinder fixed on the bracket and driving the first transverse sliding plate, a first vertical sliding frame arranged on the first transverse sliding plate through two first vertical sliding rails, a first lifting air cylinder fixed on the first transverse sliding plate and driving the first vertical sliding frame, and two first suckers fixed on the first vertical sliding frame.
The jump detection unit consists of a positioning detection assembly and a clamping assembly, wherein the positioning detection assembly consists of a first measuring seat fixed on a substrate, a thimble shaft vertically fixed on the first measuring seat, two pairs of positioning bearings which are positioned above the thimble shaft and are arranged on the first measuring seat from top to bottom, an inclined plane detection sensor obliquely fixed on the first measuring seat through a mounting seat and a rod part detection sensor horizontally fixed on the first measuring seat; the clamping assembly is composed of a clamping support fixed on the base plate, a first longitudinal sliding plate arranged on the clamping support through a first longitudinal sliding rail, a first longitudinal air cylinder fixed on the clamping support and driving the first longitudinal sliding plate, a second motor and a pinch roller fixed on a first mounting plate, a belt transmission device connecting the second motor and the pinch roller, and a connecting plate fixedly connecting the first longitudinal sliding plate and the first mounting plate.
The material distributing unit is composed of a second longitudinal slide rail fixed on the bottom plate, two groups of material receiving devices installed on the second longitudinal slide rail through a second longitudinal slide plate, and a second longitudinal cylinder fixed on the bottom plate and driving the second longitudinal slide plate, and each material receiving device is composed of a stand column fixed on the second longitudinal slide plate and two V-shaped plates obliquely fixed on the stand column.
The second carrying unit is composed of carrying devices respectively positioned on the front side and the back side of the frame, each carrying device is composed of two second transverse sliding rails fixed on the frame, a second transverse sliding plate arranged on the two second transverse sliding rails, a first transverse air cylinder fixed on the frame and driving the second transverse sliding plate, two second lifting air cylinders fixed on the second transverse sliding plate, two second vertical sliding rails and second suckers respectively arranged on the corresponding second vertical sliding rails through the second vertical sliding rails, and each second lifting air cylinder respectively drives the corresponding second vertical sliding rails.
The airtight detection unit consists of two third longitudinal sliding rails fixed on the second measurement seat, an airtight positioning seat arranged on the two third longitudinal sliding rails through a third longitudinal sliding plate, a third longitudinal air cylinder fixed on the second measurement seat and driving the third longitudinal sliding plate, a third vertical sliding rail fixed on the vertical frame, an airtight pressure head positioned above the airtight positioning seat and arranged on the third vertical sliding rail through a third vertical sliding frame, and a third lifting air cylinder fixed on the vertical frame and driving the third vertical sliding frame.
The discharging unit is composed of a discharging frame fixed on the base plate and a slideway obliquely fixed on the discharging frame.
The signal device in the technical scheme is composed of a sensor fixed on the conveying frame through a second mounting plate, an elastic sheet fixed on the sensor, a shifting wheel fixed on the second mounting plate and contacted with the elastic sheet, and a shifting rod fixed on the shifting wheel.
In the technical scheme, the top surface of the conveying frame is fixedly provided with the limiting plate with the left end tilted upwards, the deflector rod penetrates through the through groove formed in the limiting plate and downwards stretches into the position between the guide rod and the round belt, the top surface of the conveying frame is fixedly provided with the limiting plate with the left end tilted upwards, and the deflector rod penetrates through the through groove formed in the limiting plate and downwards stretches into the position between the guide rod and the round belt.
In the above technical scheme, the first measuring seat is provided with an adjusting mechanism. The adjusting mechanism consists of two guide upright posts fixed on the first measuring seat, four adjusting seats fixed on the two guide upright posts from top to bottom in a clamping mode, and two pairs of positioning bearings, a rod part detecting sensor and a thimble shaft are sequentially fixed on the corresponding adjusting seats from top to bottom.
In the technical scheme, the clamping assembly is further provided with a floating pressing mechanism. The floating pressing mechanism consists of a guide shaft, a support and a first spring, wherein one end of the guide shaft is connected with a piston rod of a first longitudinal cylinder and is provided with a shaft shoulder, the support is fixed on a first longitudinal sliding plate and used for supporting the guide shaft, and the first spring is arranged on the guide shaft and is positioned between the shaft shoulder and the support.
Compared with the prior art, the invention adopts the technical scheme that the feeding, the testing, the workpiece transferring and the discharging are all automatically completed by machinery, thereby not only reducing the labor intensity, but also improving the detection efficiency, and further effectively avoiding the defects of large manual detection error, easy influence of considered factors and the like, and having the advantages of higher degree of automation, accurate and reliable measurement result and the like.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a feeding unit according to the present invention;
FIG. 3 is a schematic perspective view of a separator of the feeding unit of the present invention;
FIG. 4 is a view in the direction A of FIG. 3;
FIG. 5 is a schematic perspective view of a clamping device of the feeding unit of the present invention;
fig. 6 is a schematic perspective view of a first carrying unit according to the present invention;
FIG. 7 is a schematic perspective view of the runout detecting unit of the present invention;
FIG. 8 is a schematic diagram of a perspective structure of a positioning detecting assembly of the runout detecting unit of the present invention;
FIG. 9 is a schematic perspective view of a clamping assembly of the runout detection unit of the present invention;
FIG. 10 is a schematic perspective view of a dispensing unit of the present invention;
FIG. 11 is a schematic perspective view of a duplex handling unit of the present invention;
FIG. 12 is a schematic perspective view of the airtight detecting unit of the present invention;
FIG. 13 is a schematic view of the structure of the airtight positioning seat and airtight pressure head of the airtight detecting unit in the present invention;
fig. 14 is a schematic perspective view of a discharge unit according to the present invention.
In the figure: the device comprises a feeding unit 1, a slide 1-1, a conveying frame 1-2, a sensor 1-3, a second mounting plate 1-4, a deflector rod 1-5, a mounting frame 1-6, a limiting plate 1-7, a guide rod 1-8, a belt pulley 1-9, a round belt 1-10, a clamping cylinder 1-11, a separation cylinder 1-12, a first motor 1-13, a stop pin 1-14 and a clamping claw 1-15;
The device comprises a first carrying unit 2, a first lifting cylinder 2-1, a first vertical guide rail 2-2, a first transverse sliding rail 2-3, a buffer 2-4, a first sucking disc 2-5, a bracket 2-6, a first vertical sliding frame 2-7, a first proximity switch 2-8, a first transverse cylinder 2-9 and a first transverse sliding plate 2-10;
The jump detecting unit 3, the positioning detecting component 31, the adjusting seat 31-1, the inclined plane detecting sensor 31-2, the mounting seat 31-3, the positioning bearing 31-4, the guide upright 31-5, the first measuring seat 31-6, the thimble shaft 31-7, the adjusting block 31-8, the rod part detecting sensor 31-9, the clamping component 32, the first longitudinal cylinder 32-1, the first longitudinal slide rail 32-2, the first longitudinal slide plate 32-3, the first spring 32-4, the second motor 32-5, the connecting plate 32-6, the bearing 32-7, the pinch roller 32-8, the driven pulley 32-9, the belt 32-10, the driving pulley 32-11, the first mounting plate 32-12, the clamping bracket 32-13, the support 32-14 and the guide rod 32-15;
The material distributing unit 4, the second longitudinal cylinder 4-1, the second longitudinal slide rail 4-2, the second longitudinal slide plate 4-3, the upright post 4-4, the second proximity switch 4-5 and the V-shaped plate 4-6;
the second carrying unit 5, the second lifting cylinder 5-1, the third proximity switch 5-2, the second sucker 5-3, the second vertical sliding frame 5-4, the second transverse sliding plate 5-5, the second vertical sliding rail 5-6, the second transverse sliding rail 5-7, the frame 5-8, the second transverse cylinder 5-9 and the fourth proximity switch 5-10;
The air tightness detection unit 6, the electromagnetic valve 6-1, the vertical frame 6-2, the third vertical sliding rail 6-3, the third longitudinal sliding plate 6-4, the air tightness sensor 6-5, the pressure reducing valve 6-6, the fifth proximity switch 6-7, the second measuring seat 6-8, the third longitudinal cylinder 6-9, the third longitudinal sliding rail 6-10, the air tightness positioning seat 6-11, the air tightness pressure head 6-12, the third vertical sliding frame 6-13, the third lifting cylinder 6-14, the sealing cover 6-15, the guide rod 6-16, the pressing block 6-17 and the second spring 6-18;
The device comprises a discharging unit 7, a discharging frame 7-1 and a slideway 7-2.
Detailed Description
The invention will be further described with reference to the drawings and specific examples.
As shown in fig. 1: the feeding unit 1, the first carrying unit 2 and the second carrying unit 5 are sequentially arranged along the transverse direction, a longitudinal jumping detection unit 3 is arranged between the feeding unit 1 and the first carrying unit 2, a longitudinal distributing unit 4 is arranged between the first carrying unit 2 and the second carrying unit 5, two groups of airtight detection units 6 are arranged below the second carrying unit 5 along the longitudinal direction on the right side of the distributing unit, and two groups of discharging units 7 are arranged along the transverse direction and are connected with the second carrying unit 5 on the right side of the second carrying unit 5. Wherein:
The structure of the feeding unit 1 is shown in fig. 2 to 5: the device consists of a conveying frame 1-2 fixedly butted with a slide 1-1, a guide rod 1-8 fixed on the back of the conveying frame, two belt pulleys 1-9 arranged between the conveying frame 1-2 and the guide rod 1-7, a round belt 1-10 connected with the two belt pulleys 1-9, a first motor 1-13 fixed on the conveying frame 1-2 and driving one belt pulley 1-9 to rotate, a signal device and a separation device fixed on the conveying frame 1-2, and a clamping device. The separating device consists of a separating cylinder 1-12 fixed on a conveying frame 1-2, a portal mounting frame 1-6 driven by the separating cylinder, and two baffle pins 1-14 arranged on an inner open crotch of the mounting frame in a transverse dislocation mode. The clamping device consists of a clamping cylinder 1-11 with two clamping jaws 1-15, which is located on the right side of the separating device and is fixed on the carrier 1-2.
The first carrying unit 2 has a structure as shown in fig. 6: it is composed of two first lateral slide rails 2-3 fixed on a bracket 2-6, a first lateral slide plate 2-10 mounted on the two first lateral slide rails 2-3 through a slider (not shown in the figure, the same applies hereinafter), a first lateral cylinder 2-9 fixed on the bracket 2-6 and connected with the first lateral slide plate through a piston rod (not shown in the figure, the same applies hereinafter), two first vertical guide rails 2-2 fixed on the first lateral slide plate 2-10, a first vertical carriage 2-7 mounted on the two first vertical guide rails 2-2 through a slider, a first lifting cylinder 2-1 fixed on the first lateral slide plate 2-10 and connected with the first vertical carriage through a piston rod thereof, and two first suction cups 2-5 fixed on the first vertical carriage 2-7.
The structure of the runout detection unit 3 is as shown in fig. 7 to 9: it is composed of a positioning detection assembly 31 and a clamping assembly 32 located on its front face. The positioning detection assembly 31 is composed of a first measuring seat 31-6 fixed on a base plate (not shown in the figure), a thimble shaft 31-7 vertically fixed on the first measuring seat, two pairs of positioning bearings 31-4 arranged on the first measuring seat 31-6 from top to bottom above the thimble shaft, an inclined plane detection sensor 31-2 obliquely fixed on the first measuring seat 31-6 through a mounting seat 31-3, and a rod part detection sensor 31-9 horizontally fixed on the first measuring seat 31-6. The clamping assembly 32 is composed of a clamping bracket 32-13 fixed on the base plate, a first longitudinal slide rail 32-2 fixed on the clamping bracket, a first longitudinal slide plate 32-3 mounted on the first longitudinal slide rail through a sliding block, a first longitudinal cylinder 32-1 fixed on the clamping bracket 32-13 and connected with the first longitudinal slide plate 32-3 through a piston rod thereof, a second motor 32-5 and a bearing 32-7 fixed on the first mounting plate 32-12, a pinch roller 32-8 mounted in the bearing through a rotating shaft (not shown in the figure), a belt transmission device for connecting the second motor 32-5 and the pinch roller 32-8, and a connecting plate 32-6 for fixedly connecting the first longitudinal slide plate 32-3 and the first mounting plate 32-12. The belt transmission device is composed of a driving pulley 32-11 positioned at the back of the first mounting plate 32-12 and fixed on the second motor shaft, a driven pulley 32-9 positioned at the back of the first mounting plate 32-12 and fixed on the rotating shaft, and a belt 32-10 connecting the driving pulley 32-11 and the driven pulley 32-9.
In order to accommodate workpieces of different specifications, an adjustment mechanism is provided on the first measuring seat 31-6. The adjusting mechanism consists of two guide upright posts 31-5 fixed on a first measuring seat 31-6 and four adjusting seats 31-1 fixed on the two guide upright posts 31-5 from top to bottom in a clamping mode; the two pairs of positioning bearings 2-4 (each pair is composed of two bearings), the rod part detection sensor 31-8 and the thimble shaft 31-7 are sequentially fixed on the corresponding adjusting seats 31-1 from top to bottom, and the rod part detection sensor 31-8 is positioned between the two pairs of positioning bearings 2-4. In order to facilitate adjustment of the angle and position of the incline detection sensor 31-2, an adjustment block 31-8 is fixed to the mount 31-3.
In order to reduce the impact of the pinch roller 32-8 on the workpiece and avoid bending of the workpiece, a floating hold-down mechanism is also provided on the clamping assembly 32. The floating hold-down mechanism is composed of a guide shaft 32-15 having one end connected to a piston rod of a first longitudinal cylinder 32-1 and having a shoulder 32-16, a support 32-14 fixed to a first longitudinal slide plate 32-3 for supporting the guide shaft 32-15, and a first spring 32-4 mounted on the guide shaft 32-15 and located between the shoulder 32-16 and the support 32-14.
The structure of the material distributing unit 4 is shown in fig. 10: it is composed of a second longitudinal slide rail 4-2 fixed on a bottom plate (not shown in the figure), a second longitudinal slide plate 4-3 mounted on the second longitudinal slide rail through a slide block, two groups of material receiving devices fixed on the second longitudinal slide plate, and a second longitudinal cylinder 4-1 fixed on the bottom plate and connected with the second longitudinal slide plate 4-3 through a piston rod thereof. Each group of receiving devices consists of an upright post 4-4 fixed on the second longitudinal sliding plate 4-3 and two V-shaped plates 4-6 obliquely fixed on the upright post.
The structure of the second carrying unit 5 is as shown in fig. 11: it is composed of two groups of carrying devices respectively positioned on the front and back sides of the machine frames 5-8. Each group of carrying devices consists of two second transverse sliding rails 5-7 fixed on a frame 5-8, second transverse sliding plates 5-5 arranged on the two second transverse sliding rails 5-7 through sliding blocks, second transverse air cylinders 5-9 fixed on the frame 5-8 and connected with the second transverse sliding plates through piston rods of the second transverse air cylinders, two second lifting air cylinders 5-1 and two second vertical sliding rails 5-6 fixed on the second transverse sliding plates 5-5, second vertical sliding frames 5-4 respectively arranged on the corresponding second vertical sliding rails 5-6 through sliding blocks, and second suckers 5-3 respectively fixed on the corresponding second vertical sliding frames 5-4, wherein each second lifting air cylinder 5-1 is respectively connected with the corresponding second vertical sliding frames 5-4 through piston rods of the second lifting air cylinders.
The structure of the airtight detecting unit 6 is as shown in fig. 12: it is composed of two third longitudinal slide rails 6-10 fixed on a second measuring seat 6-8, a third longitudinal slide plate 6-4 mounted on the two third longitudinal slide rails 6-10 through a slide block, an airtight positioning seat 6-11 fixed on the third longitudinal slide plate, a third longitudinal cylinder 6-9 fixed on the second measuring seat 6-8 and connected with the third longitudinal slide plate 6-4 through a piston rod thereof, a third vertical slide rail 6-3 fixed on a vertical frame 6-2, a third vertical slide frame 6-13 mounted on the third vertical slide rail through a slide block, an airtight pressure head 6-12 positioned above the airtight positioning seat 6-11 and fixed on the third vertical slide frame 6-13, a third lifting cylinder 6-14 fixed on the vertical frame 6-2 and connected with the third vertical slide frame 6-13 through a piston rod thereof, and an airtight sensor 6-5 fixed on the vertical frame 6-2.
As shown in fig. 13: the airtight positioning seat 6-11 is provided with a funnel-shaped positioning hole (not labeled in the figure), and the hole opening at the upper end of the positioning hole is provided with a chamfer matched with the conical surface of the air valve (workpiece).
As shown in fig. 13: the airtight pressure head 6-12 is composed of a sealing cover 6-15 with a concave cavity (not shown in the figure) on the lower end surface, an air inlet nozzle (not shown in the figure) communicated with the concave cavity and fixed on the outer surface of the sealing cover, a pressing block 6-17 arranged in the concave cavity through a guide rod 6-16, a second spring 6-18 arranged on the pressing block, and a pressure sensing element (not shown in the figure) positioned in the concave cavity and electrically connected with the airtight sensor 6-5.
The structure of the discharge unit 7 is shown in fig. 14: it is composed of a discharging frame 7-1 fixed on the base plate and a slideway 7-2 fixed on the discharging frame in an inclined way.
In the above embodiment, the signal device is composed of a second mounting plate 1-4 fixed on the carriage 1-2, a sensor 1-3 fixed on the second mounting plate, a spring piece (not shown in the figure) fixed on the sensor, a thumb wheel (not shown in the figure) supported on the second mounting plate 1-4 and contacted with the spring piece, and a thumb lever 1-5 fixed on the thumb wheel.
In order to avoid the overlapping of the workpieces (air valves) in the conveying process, a limiting plate 1-7 with the left end tilted upwards is fixed on the top surface of the conveying frame 1-2, and the deflector rod 1-5 penetrates through a through groove (not shown in the figure) formed on the limiting plate and extends downwards into a channel formed between the guide rod 1-8 and the round belt 1-9.
In order to facilitate the sensing of the workpiece, a first proximity sensor 2-8 connected with each suction cup 2-5 and fixed on a first vertical sliding frame 2-7 is arranged near each suction cup, a second proximity switch 4-5 is fixed on each upright post 4-4, a third proximity switch 5-2 is fixed on each second vertical sliding frame 5-4, a fourth proximity switch 5-10 is defined on the front and back of a frame 5-8, and a fifth proximity switch 6-7 fixed on a third longitudinal sliding plate 6-4 through a sensor mounting plate (not shown in the figure) is arranged below an airtight pressure head 6-12.
For convenience of operation, a solenoid valve 6-1 for controlling on-off of a pipe (not shown) connecting an air source (not shown) with the airtight pressure head 6-12 is fixed to the stand 6-2.
In order to avoid the excessive air pressure, a pressure reducing valve 6-6 is fixed on the vertical frame 4-2.
Working principle:
1) Feeding: the work pieces arranged on the slide 1-1 slide down to the left end of the conveying frame 1-2, the work pieces are driven by the round belt 1-10 to move to the position of the signal device along the channel formed by the guide rod 1-8 and the round belt 1-10, the sensor 1-3 is triggered by the deflector rod 1-5 and the deflector wheel, the controller (not shown in the figure) instructs the separation cylinder 1-12 to act and drives one stop pin 1-14 to extend out through the mounting frame 1-6, and the other stop pin 1-14 moves back. The forward workpiece is released from the retracting movement of the stop pin 1-13 and continues forward (to the right in fig. 1 and 2), while the rearward workpiece is stopped by the projecting movement of the stop pin 1-14. The piston rods of the separation cylinders 1-12 extend and retract continuously, so that the workpiece can be separated continuously according to beats.
When the workpiece moves to the position of the clamping device, the piston rod of the clamping cylinder 1-11 is retracted, the clamping claw 1-15 is folded to clamp the workpiece, and the first carrying unit 2 is waited to transfer the workpiece to the runout detection unit 3 for detection.
2) Jumping detection feeding: the first lifting cylinder 2-1 drives the first sucker 2-5 to move downwards through the first vertical sliding frame 2-7 until the first sucker 2-5 positioned at the left side sucks the workpiece on the clamping claw 1-15 under the control of the first proximity switch 2-8 connected with the first sucker 2-5, and the piston rod of the first lifting cylinder 2-1 retracts to the highest point; the first transverse air cylinder 2-9 drives the workpiece to move rightwards to the position of the runout detection unit 3 through the first transverse sliding plate 2-10, the first lifting air cylinder 2-1 drives the first sucker 2-5 to move downwards through the first vertical sliding frame 2-7 again, the workpiece is placed on a positioning device formed by the thimble shaft 31-7 and two pairs of positioning bearings 31-4, and the first vertical sliding frame 2-7 ascends again and returns to the initial position under the driving of the first lifting air cylinder 2-1, so that runout detection feeding is completed.
3) And (3) jumping detection: the first longitudinal air cylinder 32-1 drives the pressing wheel 32-8 to move longitudinally through the first longitudinal sliding plate 32-3 so as to press the workpiece between the two pairs of positioning bearings 31-4, thereby realizing positioning and clamping of the workpiece. Meanwhile, the second motor 32-5 drives the pressing wheel 32-8 to rotate through the belt conveying device, the pressing wheel drives the workpiece to rotate around the axis of the workpiece through friction force, and the inclined plane detection sensor 31-2 and the rod part detection sensor 31-8 can automatically detect the jumping of the conical surface and the rod part of the workpiece and judge whether the jumping amount of the workpiece is qualified or not.
4) And (3) jumping detection and discharging: after the jump amount is detected, the first transverse air cylinder 2-9 drives the first vertical sliding frame 2-7 to move rightwards to the position of the jump detection unit 3 through the first transverse sliding plate 2-10, the first lifting air cylinder 2-1 drives the first sucker 2-5 to move downwards through the first vertical sliding frame 2-7 until the workpiece is sucked, and then a piston rod of the first lifting air cylinder 2-1 is retracted to the highest point; the first transverse air cylinder 2-9 drives the first vertical sliding frame 2-7 to right through the first transverse sliding plate 2-10 to the position of the material distributing unit 4, and then the first lifting air cylinder 2-1 drives the first sucker 2-5 to move downwards through the first vertical sliding frame 2-7 and places a workpiece on the V-shaped plate 4-6 of the first material receiving device, so that the jumping detection and discharging are completed.
5) And (3) material separation: the second proximity switch 4-5 on the first group of material receiving devices instructs the piston rod of the second longitudinal cylinder 4-1 to extend through the controller and sends the workpiece to the lower part of the carrying device positioned on the front or back of the frame 5-8; in the process, the second material receiving device of the material distributing unit 4 moves to the lower part of the first carrying unit 2 and receives the next workpiece, and then the second proximity switch 4-5 on the second material receiving device instructs the piston rod of the second longitudinal cylinder 4-1 to retract through the controller so as to send the workpiece to the lower part of the carrying device positioned on the back or front of the frame 5-8; at the same time, the first group of material receiving devices returns to the initial position and is ready to receive the next subsequent workpieces.
6) And (3) airtight detection feeding: the second carrying unit 5 is formed by two groups of carrying devices which have the same structure and are respectively positioned on the front side and the back side of the frame 5-8, so that the working process of any group of carrying devices is only needed to be decomposed.
The fourth proximity switch 5-10 on the carrying device instructs the piston rods of the second transverse air cylinders 5-9 to retract through the controller, drives the two second lifting air cylinders 5-1 fixed on the second proximity switch to move leftwards to the upper part of the workpiece through the second transverse sliding plate 5-5, the piston rods of the two second lifting air cylinders 5-1 extend out and drive the respective second suckers 5-3 to move downwards through the corresponding second vertical sliding frames 5-4 respectively and suck the workpiece (the second suckers 5-3 on the left suck the workpiece on the V-shaped positioning blocks 4-6), and then the piston rods of the two second lifting air cylinders 5-1 retract to lift the workpiece; the controller instructs the piston rods of the second transverse cylinders 5-9 to extend to push the second transverse sliding plate 5-5 to move rightwards, and the piston rods of the two second lifting cylinders 5-1 extend to drive the workpiece to descend and release the workpiece through the corresponding second suckers 5-3 respectively (the second sucker 5-3 on the left side releases the workpiece in the airtight positioning seat 6-11). After the workpiece is conveyed, the conveying device returns to the initial position and is ready for conveying the subsequent workpiece.
7) And (3) airtight detection: after the carrying device puts the workpiece into the airtight positioning seat 6-11, the controller instructs the piston rod of the third longitudinal cylinder 6-9 to extend, and the piston rod pushes the third longitudinal slide plate 6-4 to move to the lower part of the airtight pressure head 6-12; the fifth proximity switch 6-7 instructs the third lifting cylinder 6-14 to drive the airtight pressure head 6-12 to move downwards through the third vertical sliding frame 6-13 through the controller; pressure gas enters a sealing cavity formed by the airtight positioning seat 6-11 and the airtight pressure head 6-12 through the electromagnetic valve 6-1, and whether the airtight performance of the conical surface of the workpiece is qualified or not can be judged according to the pressure change of the sealing cavity after the pressure is maintained for a certain time. After the airtight detection is finished, the third lifting cylinder 6-14 drives the airtight pressure head 6-12 to rise, the piston rod of the third longitudinal cylinder 6-9 retracts and pulls the third longitudinal slide plate 6-4 to retract to the initial position, and the conveying device waits for unloading.
8) And (3) airtight detection and unloading: the fourth proximity switch 5-10 on the carrying device instructs the piston rods of the second transverse air cylinders 5-9 to extend through the controller, drives the two second lifting air cylinders 5-1 fixed on the second proximity switch to move leftwards to the upper part of the workpiece through the second transverse sliding plate 5-5, the piston rods of the two second lifting air cylinders 5-1 extend and drive the respective second suckers 5-3 to move downwards through the corresponding second vertical sliding frames 5-4 respectively and suck the workpiece (the second suckers 5-3 on the right side suck the workpiece in the airtight positioning seat 6-11 and the second suckers 5-3 on the left side suck the workpiece on the V-shaped positioning block 4-6), and then the piston rods of the two second lifting air cylinders 5-1 retract and lift the workpiece; the controller instructs the piston rods of the second transverse cylinders 5-9 to retract to pull the second transverse sliding plate 5-5 to move rightwards, the piston rods of the two second lifting cylinders 5-1 extend and drive the workpiece to descend and release the workpiece through the corresponding second suckers 5-3 respectively (the left second sucker 5-3 releases the workpiece in the airtight positioning seat 6-11 and the right second sucker 5-3 releases the workpiece in the slideway 7-2 of the unloading unit 7). After the workpiece is conveyed, the conveying device returns to the initial position and is ready for conveying the subsequent workpiece.
Claims (5)
1. The automatic detection device comprises a feeding unit (1), a first carrying unit (2) and a second carrying unit (5) which are sequentially arranged along the transverse direction, wherein a jumping detection unit (3) is arranged between the feeding unit (1) and the first carrying unit (2), a material distributing unit (4) is arranged between the first carrying unit (2) and the second carrying unit (5), two groups of airtight detection units (6) positioned below the second carrying unit (5) are arranged on the right side of the material distributing unit, and two groups of unloading units (7) connected with the second carrying unit (5) are arranged on the right side of the second carrying unit; the method is characterized in that:
The feeding unit (1) is composed of a conveying frame (1-2) in butt joint with the slide (1-1), a guide rod (1-8) positioned on the back of the conveying frame, two belt pulleys (1-9) arranged between the conveying frame (1-2) and the guide rod (1-8), a round belt (1-10) connecting the two belt pulleys (1-9), a first motor (1-13) fixed on the conveying frame (1-2) and driving the belt pulleys (1-9), a signal device, a separation device and a clamping device which are fixed on the conveying frame (1-2); the separating device consists of a separating cylinder (1-12) fixed on the conveying frame (1-2), a door-shaped mounting frame (1-6) driven by the separating cylinder, and two baffle pins (1-14) arranged on an inner open crotch of the mounting frame in a transverse dislocation manner, and the clamping device consists of a clamping cylinder (1-11) fixed on the conveying frame (1-2) and provided with two clamping claws (1-15);
The first carrying unit (2) is composed of a first transverse sliding plate (2-10) which is arranged on a bracket (2-6) through two first transverse sliding rails (2-3), a first transverse air cylinder (2-9) which is fixed on the bracket (2-6) and drives the first transverse sliding plate, a first vertical sliding frame (2-7) which is arranged on the first transverse sliding plate (2-10) through two first vertical sliding rails (2-2), a first lifting air cylinder (2-1) which is fixed on the first transverse sliding plate (2-10) and drives the first vertical sliding frame, and two first suckers (2-5) which are fixed on the first vertical sliding frame (2-7);
The runout detection unit (3) is composed of a positioning detection assembly (31) and a clamping assembly (32), wherein the positioning detection assembly (31) is composed of a first measuring seat (31-6) fixed on a substrate, a thimble shaft (31-7) vertically fixed on the first measuring seat, two pairs of positioning bearings (31-4) which are arranged above the thimble shaft and are arranged on the first measuring seat (31-6) from top to bottom, an inclined plane detection sensor (31-2) obliquely fixed on the first measuring seat (31-6) through a mounting seat (31-3) and a rod part detection sensor (31-9) horizontally fixed on the first measuring seat (31-6); the clamping assembly (32) is composed of a clamping bracket (32-13) fixed on the base plate, a first longitudinal sliding plate (32-3) arranged on the clamping bracket through a first longitudinal sliding rail (32-2), a first longitudinal air cylinder (32-1) fixed on the clamping bracket (32-13) and driving the first longitudinal sliding plate, a second motor (32-5) and a pinch roller (32-8) fixed on a first mounting plate (32-12), a belt transmission device for connecting the second motor (32-5) and the pinch roller, and a connecting plate (32-6) for fixedly connecting the first longitudinal sliding plate (32-3) and the first mounting plate (32-12);
The material distributing unit (4) is composed of a second longitudinal sliding rail (4-2) fixed on a bottom plate, two groups of material collecting devices installed on the second longitudinal sliding rail through a second longitudinal sliding plate (4-3), and a second longitudinal air cylinder (4-1) fixed on the bottom plate and driving the second longitudinal sliding plate (4-3), wherein each material collecting device is composed of a stand column (4-4) fixed on the second longitudinal sliding plate (4-3) and two V-shaped plates (4-6) obliquely fixed on the stand column;
The second carrying unit (5) is composed of carrying devices respectively positioned on the front side and the back side of the frame (5-8), each carrying device is composed of two second transverse sliding rails (5-7) fixed on the frame (5-8), a second transverse sliding plate (5-5) installed on the two second transverse sliding rails, a second transverse air cylinder (5-9) fixed on the frame (5-8) and driving the second transverse sliding plate, two second lifting air cylinders (5-1) fixed on the second transverse sliding plate (5-5) and two second vertical sliding rails (5-6), and second suckers (5-3) respectively installed on the corresponding second vertical sliding rails (5-6) through second vertical sliding carriages (5-4), and each second lifting air cylinder (5-1) respectively drives the corresponding second vertical sliding carriage (5-4);
The airtight detection unit (6) is composed of two third longitudinal sliding rails (6-10) fixed on the second measuring seat (6-8), an airtight positioning seat (6-11) installed on the two third longitudinal sliding rails (6-10) through a third longitudinal sliding plate (6-4), a third longitudinal air cylinder (6-9) fixed on the second measuring seat (6-8) and driving the third longitudinal sliding plate (6-4), a third vertical sliding rail (6-3) fixed on the vertical frame (6-2), an airtight pressure head (6-12) positioned above the airtight positioning seat (6-11) and installed on the third vertical sliding rail (6-3) through a third vertical sliding frame (6-13), and a third lifting air cylinder (6-14) fixed on the vertical frame (6-2) and driving the third vertical sliding frame (6-13);
The discharging unit (7) is composed of a discharging frame (7-1) fixed on the base plate and a slideway (7-2) obliquely fixed on the discharging frame.
2. The valve jump and air tightness double-station automatic detection device according to claim 1, wherein: the signal device is composed of a sensor (1-3) fixed on the conveying frame (1-2) through a second mounting plate (1-4), an elastic sheet fixed on the sensor, a shifting wheel fixed on the second mounting plate (1-4) and contacted with the elastic sheet, and a shifting rod (1-5) fixed on the shifting wheel.
3. The valve jump and air tightness double-station automatic detection device according to claim 1, wherein: the top surface of the conveying frame (1-2) is fixed with a limiting plate (1-7) with the left end tilted upwards, and the deflector rod (1-5) penetrates through a through groove arranged on the limiting plate and extends downwards between the guide rod (1-8) and the round belt (1-10).
4. The valve jump and air tightness double-station automatic detection device according to claim 1, wherein: the first measuring seat (31-6) is provided with an adjusting mechanism, the adjusting mechanism is composed of two guide upright posts (31-5) fixed on the first measuring seat (31-6) and four adjusting seats (31-1) fixed on the two guide upright posts (31-5) from top to bottom in a clamping mode, and two pairs of positioning bearings (31-4), a rod part detecting sensor (31-9) and a thimble shaft (31-7) are sequentially fixed on the corresponding adjusting seats (31-1) from top to bottom.
5. The valve jump and air tightness double-station automatic detection device according to claim 1, wherein: the clamping assembly (32) is further provided with a floating pressing mechanism which is composed of a guide shaft (32-15) with one end connected with a piston rod of the first longitudinal cylinder (32-1) and provided with a shaft shoulder (32-16), a support (32-14) fixed on the first longitudinal sliding plate (32-3) and used for supporting the guide shaft (32-15), and a first spring (32-4) arranged on the guide shaft (32-15) and positioned between the shaft shoulder (32-16) and the support (32-14).
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| CN202210304621.3A CN114838882B (en) | 2022-03-21 | 2022-03-21 | Automatic double-station detection device for valve jump and air tightness |
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| CN113970411A (en) * | 2021-11-26 | 2022-01-25 | 常熟大众机器人研究院有限公司 | Lithium battery cover plate detection device provided with workpiece moving manipulator |
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|---|---|---|---|---|
| US5199222A (en) * | 1990-05-07 | 1993-04-06 | Serdi-Societe D'etudes De Realisation Et De Diffusion Industrielles | Device for grinding the head of a valve, especially of an internal-combustion engine |
| CN104713505A (en) * | 2015-03-28 | 2015-06-17 | 贵阳瑞极精密测量有限公司 | Valve rod automatic checkout device |
| CN205404056U (en) * | 2016-03-11 | 2016-07-27 | 贵阳瑞极精密测量有限公司 | Valve stem air tightness testing device |
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| CN112284625A (en) * | 2020-12-12 | 2021-01-29 | 潍坊思博精工科技有限公司 | Dry-type air tightness detection device for cylinder cover |
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| CN114838882A (en) | 2022-08-02 |
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