CN111141464B - Tap gas tightness test machine - Google Patents
Tap gas tightness test machine Download PDFInfo
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- CN111141464B CN111141464B CN201911383778.4A CN201911383778A CN111141464B CN 111141464 B CN111141464 B CN 111141464B CN 201911383778 A CN201911383778 A CN 201911383778A CN 111141464 B CN111141464 B CN 111141464B
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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
- G01M3/28—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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to a faucet air tightness testing machine, and belongs to the technical field of testing machines. The machine comprises a machine body, wherein the machine body is provided with a working platform, and the working platform is provided with a plurality of tool fixtures arranged side by side; the side face, close to the upper fixture, of the lower clamping seat is provided with a mounting groove, the lower clamping seat is provided with a water inlet channel, a water inlet of the water inlet channel is connected with a water source, and a water outlet of the water inlet channel faces towards the upper fixture. When the faucet needs to be tested, the faucet is firstly embedded in the mounting groove of the lower clamping seat, the water inlet of the faucet is communicated with the water outlet of the water inlet channel of the lower clamping seat, the clamping driving mechanism is started again, the upper clamp moves towards the lower clamping seat under the driving of the clamping driving mechanism, and the faucet is fixed on the tool clamp through the action of the upper clamp and the lower clamping seat.
Description
Technical Field
The invention relates to the technical field of testing machines, in particular to a faucet airtightness testing machine.
Background
In daily life, the water faucet is an essential basic device for controlling the flow of water, the water faucet is generally provided with a water inlet and a water outlet, the air tightness and the pressure flow of the water faucet are required to be detected after the production of the water faucet is finished, and the water faucet can be put into the market for circulation only if the air tightness and the pressure flow reach standards. In order to detect the air tightness of the water faucet, enterprises design and research a plurality of water faucet air tightness detection devices.
If the invention is China with the authorized bulletin number of CN206710028U, the invention discloses a device for detecting the air tightness of a faucet, which comprises a detection groove for containing detection liquid, an air pump arranged on one side of the detection groove and an air cylinder arranged on the detection groove, wherein the air cylinder comprises a piston rod, one end of the piston rod, which is far away from the air cylinder, is provided with an air vent pipe connected with the faucet, the side wall of the air vent pipe is provided with an air delivery hole communicated with the air delivery pipe of the air pump, one end of the air cylinder, which is far away from the piston rod, is hinged with the detection groove through a hinged piece, the hinged piece is provided with a reset spring, the air cylinder is connected with two support rods, the two support rods are respectively positioned on two sides of the piston rod, the end parts of the two support rods are respectively connected with a connecting rod, and the connecting rod is provided with a clamping part for clamping the faucet together with the air vent pipe.
The above technical solution has the following disadvantages: when detecting tap, because tap and breather pipe pass through threaded connection, will be earlier with tap and breather pipe through threaded connection and screw up when detecting, will screw down tap from the breather pipe after detecting again, make tap and detection device be connected comparatively loaded down with trivial details, increased staff's work load.
Disclosure of Invention
The invention aims to provide a faucet airtightness testing machine, which enables a faucet to be conveniently connected with a detection device and reduces the workload of workers.
The purpose of the invention is realized by the following technical scheme:
a faucet air tightness testing machine comprises a machine body, wherein the machine body is provided with a working platform, the working platform is provided with a plurality of tool fixtures arranged side by side, each tool fixture comprises an upper fixture, a lower clamping seat and a clamping driving mechanism for driving the upper fixture to move downwards, and the upper fixture is positioned above the lower clamping seat;
the side face, close to the upper fixture, of the lower clamping seat is provided with a mounting groove, the lower clamping seat is provided with a water inlet channel, a water inlet of the water inlet channel is connected with a water source, and a water outlet of the water inlet channel faces towards the upper fixture.
Through adopting above-mentioned technical scheme, frock clamp is used for the tap that the centre gripping needs the test, when tap need the test, inlay tap under in the mounting groove of holder earlier, tap's water inlet and the delivery port intercommunication of holder water inlet channel down, restart presss from both sides tight actuating mechanism, under the drive that presss from both sides tight actuating mechanism, go up anchor clamps and move down the holder, through the effect of last anchor clamps and holder down, fix tap on frock clamp, so, conveniently install tap on detection device, reduce staff's work load.
The invention is further configured to: the clamping driving mechanism comprises a connecting rod and a first driving piece which are vertically arranged, the upper end of the connecting rod is connected with the machine body in a sliding mode, the lower end of the connecting rod is fixedly connected with the lower clamping seat, the first driving piece is connected with the connecting rod through a screw, and the first driving piece is connected with the upper clamp in a transmission mode.
By adopting the technical scheme, the lower clamping seat is fixed on the connecting rod, and the upper clamp is also fixed on the connecting rod through the first driving piece, so that the upper clamp is positioned above the lower clamping seat, and the upper clamp and the lower clamping seat are conveniently aligned; the connecting rod is connected with the machine body in a sliding manner, so that the connecting rod can move on the machine body, and a worker can conveniently adjust the position of the connecting rod according to actual conditions; the first driving piece is connected with the connecting rod through a screw, and the first driving piece is detachably connected with the connecting rod, so that the first driving piece is convenient to replace and maintain; the upper clamp is driven by the first driving piece to move downwards to the clamp base, so that the faucet is clamped on the tool clamp.
The invention is further configured to: the tool fixture further comprises a rotating driving mechanism which drives the upper fixture to rotate, the rotating driving mechanism is arranged between the clamping driving mechanism and the upper fixture, the rotating driving mechanism comprises a second driving motor, and the rotating shaft of the second driving motor is the same as the central shaft of the mounting groove.
Through adopting above-mentioned technical scheme, tap's water inlet generally includes cold water inlet and hot water inlet, and when tap's cold water inlet test was finished, start the second driving motor, go up anchor clamps and rotate along second driving motor's output shaft axial under second driving motor's drive to it is convenient to make tap rotation valve, makes the gas tightness of tap detectable hot water inlet.
The invention is further configured to: the frock clamp still includes the subassembly that slides, the subassembly that slides include the spout and with spout sliding connection's slider, the organism is equipped with the roof, the roof is located work platform's top, the spout is seted up in the roof is close to work platform's side, the length direction of spout is the same with a plurality of frock clamp's array orientation, the slider with connecting rod fixed connection.
By adopting the technical scheme, the connecting rods can slide on the machine body through the matching of the sliding grooves and the sliding blocks, so that the distance between two adjacent connecting rods can be adjusted, a testing machine can conveniently test water faucets with different sizes, and a plurality of stations are prevented from mutual interference during common testing; in addition, when the worker installs tap on frock clamp, but the portable connecting rod moves the connecting rod to the position nearest from the staff, makes the staff needn't extend the arm and also can the centre gripping tap, and simultaneously, lower holder is located when the staff is close, and the staff can align tap's water inlet and the inhalant canal of lower holder better, further makes things convenient for staff's centre gripping tap.
The invention is further configured to: the tooling fixture further comprises a positioning assembly, the positioning assembly comprises a cross rod, the cross rod is installed on the working platform, the length direction of the cross rod is the same as the arrangement mode of the tooling fixture, and the lower clamping seat is connected with the cross rod through a screw.
Through adopting above-mentioned technical scheme, tap need logical water when the test to keep certain water pressure, at this moment tap can rock, thereby drives the connecting rod and removes, and at this moment, will descend the holder to fix on the horizontal pole, thereby fix the connecting rod on the organism, make things convenient for tap's gas tightness to detect.
The invention is further configured to: frock clamp is still including the drive holder pivoted rotary driving mechanism down, the connecting rod include upper portion and with upper portion rotates the lower part of connecting through the pivot, the pivot with the integrative setting in lower part, the length direction of pivot with frock clamp's arrangement is the same, press from both sides tight actuating mechanism, rotate actuating mechanism and go up the lower part that anchor clamps all are located the connecting rod, rotary driving mechanism includes the third driving piece, the third driving piece with upper portion fixed connection, the third driving piece is a driving motor, a driving motor's output shaft with the pivot transmission is connected.
By adopting the technical scheme, when the faucet is clamped on the tool fixture, the first driving motor is started, the first driving motor rotates clockwise, the first driving motor drives the rotating shaft to rotate, the lower part of the connecting rod is driven to rotate along the rotating shaft, the lower part of the connecting rod and the upper part of the connecting rod are inclined, the lower part of the connecting rod overturns along the rotating shaft, the lower clamping seat of the connecting rod is enabled to be tilted, the lower clamping seat is close to a worker, and the worker can conveniently install the faucet on the lower clamping seat; after the installation, the first driving motor is started again, the first driving motor rotates anticlockwise, the first driving motor drives the rotating shaft to rotate, the lower portion of the connecting rod returns to the original state, then the first driving piece is started, the upper clamp is moved towards the lower clamp base, and the faucet is clamped on the tool clamp.
The invention is further configured to: the frock clamp still includes the drive holder pivoted rotary driving mechanism down, the connecting rod include upper portion and with the lower part of connecting is rotated through the pivot in upper portion, the pivot with the integrative setting in lower part, the length direction of pivot with frock clamp's arrangement is the same, press from both sides tight actuating mechanism, rotate actuating mechanism and go up the lower part that anchor clamps all are located the connecting rod, rotary driving mechanism includes fourth drive piece and butt piece, the fourth drive piece with upper portion fixed connection, the fourth drive piece is first vertical cylinder, the butt piece is located the lower part deviates from go up the side of anchor clamps, the piston rod of first vertical cylinder with the butt piece deviates from the side looks butt of holder down.
By adopting the technical scheme, when the faucet is clamped on the tool fixture, the first vertical cylinder is started, the piston rod of the first vertical cylinder is abutted to the abutting block, the abutting block rotates along the rotating shaft under the action of the first vertical cylinder, so that the lower part of the connecting rod is driven to rotate along the rotating shaft, the lower part of the connecting rod is inclined with the upper part of the connecting rod, the lower clamping seat of the connecting rod is tilted, the lower clamping seat is close to a worker, and the worker can conveniently install the faucet on the lower clamping seat; after the installation, the first vertical cylinder is closed, the lower part of the connecting rod is restored to the original state, then the first driving piece is started, the upper clamp is moved downwards to the clamp base, and the water faucet is clamped on the tool clamp.
The invention is further configured to: the butt joint device comprises a first vertical cylinder, a first butt joint block, a first moving groove, a second moving groove, a moving block and a butt joint ball, wherein the butt joint ball is arranged at the end part of a piston rod of the first vertical cylinder, the side, in butt joint with the piston rod of the first vertical cylinder, of the butt joint block is provided with the moving groove, the moving groove is provided with the moving block in sliding connection with the moving groove, the side, deviating from the bottom of the moving groove, of the moving block is provided with the butt joint groove for the butt joint ball to be embedded in, and the bottom of the butt joint groove is arc-shaped.
Through adopting above-mentioned technical scheme, when first vertical cylinder and butt piece butt, the butt ball embedding movable block of piston rod tip in the butt groove, the movable block moves along the length direction of movable groove under the effect of first vertical cylinder, through the cooperation of butt ball and movable block, makes the power that first vertical cylinder output was given the butt piece more stable, prevents the direct butt of piston rod and butt piece of first vertical cylinder simultaneously, reduces the wearing and tearing on butt piece surface.
The invention is further configured to: and a return spring is arranged at the bottom of the moving groove, one end of the return spring is abutted against the moving block, and the other end of the return spring is abutted against the wall of the moving groove.
Through adopting above-mentioned technical scheme, after the tap centre gripping finishes and the piston rod of first vertical cylinder no longer with the movable block butt, the movable block resumes the original state again under the effect of answer spring, makes things convenient for first vertical cylinder gasket piston rod to be with the movable block butt once more.
In conclusion, the beneficial technical effects of the invention are as follows:
1. according to the invention, when a water tap needs to be tested, the water tap is firstly embedded in the mounting groove of the lower clamping seat, the water inlet of the water tap is communicated with the water outlet of the water inlet channel of the lower clamping seat, then the clamping driving mechanism is started, the upper clamp moves towards the lower clamping seat under the driving of the clamping driving mechanism, the water tap is fixed on the tool clamp through the action of the upper clamp and the lower clamping seat, the water tap is conveniently mounted on the detection device, and the workload of workers is reduced;
2. according to the invention, the rotation driving mechanism drives the upper clamp to axially rotate along the output shaft of the second driving motor, so that the valve of the water faucet is rotated, and the detection of a cold water inlet and a hot water inlet of the water faucet is facilitated;
3. according to the invention, the rotary driving mechanism drives the lower clamping seat to turn over, so that the lower clamping seat is close to a worker, and the worker can conveniently install a faucet on the lower clamping seat.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a testing machine according to a first embodiment;
FIG. 2 is a schematic view of an overall structure of a tester and a tooling fixture according to a first embodiment;
FIG. 3 is a schematic view of the entire structure of a faucet according to an embodiment;
FIG. 4 is a schematic structural diagram of a tooling fixture according to a first embodiment;
FIG. 5 is a schematic structural view of a tooling fixture and a cross bar according to a first embodiment;
FIG. 6 is a schematic view of the overall structure of a lower holder according to a first embodiment;
FIG. 7 is an exploded view of a seal assembly according to one embodiment;
FIG. 8 is a schematic view showing the overall structure of a testing machine according to a second embodiment;
FIG. 9 is a schematic structural view of a tooling fixture according to a second embodiment;
FIG. 10 is an exploded view of a tooling fixture according to a second embodiment;
FIG. 11 is a schematic view showing the overall structure of a testing machine according to a third embodiment;
FIG. 12 is a schematic structural view of a tooling fixture in the third embodiment;
FIG. 13 is an exploded view of a tool holder according to a third embodiment;
fig. 14 is a schematic structural view of a rotary drive mechanism according to a third embodiment.
In the figure, 1, a machine body; 11. a working platform; 12. a water tank; 13. a side plate; 14. a top plate; 15. a cross bar; 151. a dovetail groove; 152. positioning a nut; 2. a tooling fixture; 21. an upper clamp; 211. a first plate; 212. a second plate; 213. a third plate; 214. a square hole; 22. a lower clamping seat; 221. connecting sheets; 222. a set screw; 223. a seal assembly; 2231. a set screw; 2232. a fixing sheet; 2233. a fixed block; 2234. a gasket; 224. mounting grooves; 225. a water inlet channel; 226. testing the pipeline; 2261. a first tube; 2262. a second tube; 2263. a third tube; 2264. a step; 23. a clamping drive mechanism; 231. a connecting rod; 2311. an upper portion; 2312. a lower portion; 2313. a bump; 2314. a notch; 2315. a rotating shaft; 232. a first driving member; 233. a first fixing plate; 234. a movable groove; 24. a second drive motor; 3. a faucet; 31. a square block; 32. a cold water inlet pipe; 33. a hot water inlet pipe; 34. a water outlet pipe; 4. a slipping component; 41. a chute; 42. a slider; 5. a rotation driving mechanism; 51. a first drive motor; 52. a second fixing plate; 53. a first vertical cylinder; 531. abutting the ball; 54. a butting block; 541. a moving groove; 542. a moving block; 543. a butt joint groove; 544. a return spring; 6. and (6) a positioning sheet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 and 3, the air tightness testing machine for the water faucet is used for testing the air tightness of the water faucet 3, the water faucet 3 is of an L shape, the water faucet 3 comprises a cold water inlet pipe 32, a hot water inlet pipe 33 and a water outlet pipe 34, the cold water inlet pipe 32 and the hot water inlet pipe 33 are parallel to each other and are arranged at the same end of the water faucet 3 in parallel, and a square block 31 for controlling the water inlet of the cold water inlet pipe 32 and the water inlet of the hot water inlet pipe 33 is arranged at the other end of the water faucet.
Referring to fig. 1 and 2, the testing machine includes a machine body 1 and a water source (not shown), and the testing machine introduces water from the water source into a faucet 3 to detect the airtightness of the faucet 3. The machine body 1 is provided with a working platform 11, a water tank 12 is arranged on the working platform 11, and the water tank 12 is communicated with a water source.
Referring to fig. 4, the tooling fixture 2 includes an upper fixture 21, a lower holder 22, and a clamping driving mechanism 23 for driving the upper fixture 21 to move toward the lower holder 22, the upper fixture 21 is disposed opposite to the lower holder 22, and the upper fixture 21 is located right above the lower holder 22.
Referring to fig. 2, the machine body 1 is provided with a top plate 14 arranged opposite to the working platform 11, the top plate 14 is connected with the machine body 1 through a side plate 13, and the top plate 14 is parallel to the working platform 11.
Referring to fig. 4, the clamping driving mechanism 23 includes a connecting rod 231 and a first driving member 232 which are vertically disposed, the connecting rod 231 is perpendicular to the working platform 11, the upper end of the connecting rod 231 is slidably connected to the top plate 14 through the sliding assembly 4, the lower end of the connecting rod 231 is fixedly connected to the lower holder 22, the connecting rod 231 is provided with a movable groove 234, the movable groove 234 is long-strip-shaped, and the movable groove 234 penetrates through a set of opposite side surfaces of the connecting rod 231.
The first driving piece 232 is a second vertical cylinder, the advancing direction of a piston rod of the second vertical cylinder is perpendicular to the working platform 11, one end of the second vertical cylinder, which is away from the piston rod, is connected with the connecting rod 231 through the first fixing plate 233, the first fixing plate 233 is provided with a screw in a penetrating manner, the screw passes through the movable groove 234 of the connecting rod 231 and is in threaded connection with the nut, so that the first fixing plate 233 can move in the length direction of the connecting rod 231, and the water taps 3 with different sizes are clamped between the upper clamp 21 and the lower clamp holder 22.
Referring to fig. 2, the sliding assembly 4 includes a sliding groove 41 and a sliding block 42 slidably connected to the sliding groove 41, the sliding groove 41 is disposed on a side surface of the top plate 14 close to the working platform 11, a length direction of the sliding groove 41 is the same as an arrangement direction of the three work fixtures 2, the sliding block 42 is embedded in the sliding groove 41, and the sliding block 42 is fixedly connected to an upper end of the connecting rod 231. In this embodiment, the slider 42 is a T-shaped slider 42, and the chute 41 is a T-shaped chute 41.
Referring to fig. 4, the tooling fixture 2 further includes a rotation driving mechanism for driving the upper fixture 21 to rotate, the rotation driving mechanism is disposed between the clamping driving mechanism 23 and the upper fixture 21, the rotation driving mechanism includes a second driving motor 24, an output shaft of the second driving motor 24 is in transmission connection with the first plate 211 of the upper fixture 21, one end of the second driving motor 24 departing from the output shaft is connected with a piston rod of a second vertical cylinder, and a rotation shaft of the second driving motor 24 is identical to a central shaft of the square block 31.
The upper jig 21 is Contraband type, the upper jig 21 includes a first plate 211, a second plate 212, and a third plate 213, the first plate 211 and the third plate 213 are parallel to each other, the second plate 212 is located between the first plate 211 and the third plate 213, and the second plate 212 is perpendicular to the first plate 211 and the third plate 213. The piston rod of the second vertical cylinder is fixedly connected with the first plate 211, and the third plate 213 is provided with a square hole 214 penetrating through the upper and lower surfaces thereof.
The lower holder 22 is a square block 31, a mounting groove 224 is formed in the side surface of the lower holder 22 close to the upper clamp 21, and the end of the faucet 3 with the cold water inlet pipe 32 and the hot water inlet pipe 33 is embedded into the mounting groove 224. When the faucet 3 is inserted into the mounting slot 224, the test tube 226 of the faucet 3 is positioned above the sink 12 and the nozzle of the test tube 226 faces the sink 12.
Referring to fig. 6, a water inlet channel 225 is disposed in the mounting groove 224, two test pipes 226 are disposed through the water inlet channel 225, and the two test pipes 226 are respectively located on a set of opposite sides of the lower holder 22. The test pipeline 226 is Contraband type, the test pipeline 226 includes a first pipe 2261, a second pipe 2262 and a third pipe 2263 which are mutually communicated, the first pipe 2261 and the third pipe 2263 are parallel to each other, the second pipe 2262 is located between the first pipe 2261 and the third pipe 2263, the second pipe 2262 is perpendicular to the first pipe 2261 and the third pipe 2263, the second pipe 2262 is arranged in the lower clamp seat 22 in a penetrating manner, the length direction of the second pipe 2262 is parallel to the arrangement direction of the tool clamps 2, the first pipe 2261 and the third pipe 2263 are both perpendicular to the working platform 11, the first pipe 2261 is connected with a water source through a water pipe (not shown), the water pipe is a flexible pipe, the third pipe 2263 is located in the installation groove 224, and the pipe orifice of the third pipe 2263 faces the upper clamp 21.
The lower clamping base 22 extends towards the arrangement direction of the tooling fixture 2 to form a connecting piece 221, one surface of the connecting piece 221 is parallel to the side surface of the lower clamping base 22 departing from the upper fixture 21, and a positioning screw 222 penetrates through the connecting piece 221.
The third pipe 2263 has a step 2264 at the end, and the step 2264 is abutted against the cold water inlet pipe 32 or the hot water inlet pipe 33 of the faucet 3.
Referring to fig. 6 and 7, the lower holder 22 is provided with a plurality of sealing assemblies 223, each sealing assembly 223 includes a fixing screw 2231, a fixing plate 2232 and a sealing gasket 2234, two threaded holes are respectively formed in a group of opposite side surfaces of the lower holder 22 different from the group of opposite side surfaces with the test pipeline 226, the height of each threaded hole is the same as that of the pipe orifice of the third pipe 2263, and the threaded holes and the third pipes 2263 are arranged in a one-to-one correspondence manner. The fixing screw 2231 is inserted into the threaded hole, the fixing piece 2232 is in a semicircular arc shape, and the two fixing pieces 2232 with two opposite concave portions can be spliced into a circular ring, so as to fix the cold water inlet pipe 32 and the hot water inlet pipe 33 of the faucet 3 on the lower holder 22.
Referring to fig. 7, the convex portion of the fixing piece 2232 is provided with a fixing block 2233 having an internal thread, and one end of the fixing screw 2231 entering the mounting groove 224 is screwed with the fixing block 2233. The sealing gasket 2234 is a sheet, the sealing gasket 2234 is made of rubber, the sealing gasket 2234 is connected to the side of the fixing piece 2232 away from the fixing piece 2233 by glue, and the sealing gasket 2234 completely covers the fixing piece 2232.
Referring to fig. 5, the tooling fixture 2 further includes a positioning assembly, the positioning assembly includes a cross rod 15, the cross rod 15 is installed on the working platform 11, the cross rod 15 is an aluminum profile in this embodiment, a dovetail groove 151 is formed in a side surface of the cross rod 15, which is away from the working platform 11, the dovetail groove 151 is communicated with two end surfaces of the cross rod 15 in the length direction, a positioning nut 152 is installed in the dovetail groove 151, and the positioning nut 152 can move in the length direction of the dovetail groove 151.
The working principle of the embodiment is as follows: when the water tap 3 is installed, the cold water inlet pipe 32 and the hot water inlet pipe 33 of the water tap 3 are respectively connected with different third pipes 2263, the fixing screw 2231 is rotated, the fixing piece 2232 is driven by the fixing screw 2231 to move towards one side close to the third pipes 2263 until the sealing gasket 2234 is abutted against the third pipes 2263, at this time, the two opposite fixing pieces 2232 form a ring surrounding the third pipes 2263, the cold water inlet pipe 32 or the hot water inlet pipe 33 is fixed with the third pipes 2263, when the second vertical cylinder is started, the upper clamp 21 is driven by the second vertical cylinder to move towards one side close to the lower clamp holder 22 until the square block 31 of the lower clamp holder 22 is embedded into the square hole 214 of the upper clamp 21.
When the water faucet 3 is tested, the water outlet pipe 34 of the water faucet 3 is closed firstly, then the water in the water source is pumped into the test pipeline 226, the water in the test pipeline 226 enters the cold water inlet pipe 32 of the water faucet 3, the hot water inlet pipe 33 is closed, then the pressure in the test pipeline 226 connected with the cold water inlet pipe 32 is tested, if the tested pressure is smaller than a preset value, the air tightness of the cold water inlet pipe 32 of the water faucet 3 is poor, otherwise, the air tightness of the cold water inlet pipe 32 of the water faucet 3 is good.
After cold water inlet tube 32 detects and finishes, start second driving motor 24, second driving motor 24 drives anchor clamps 21 rotatory, it is rotatory to go up anchor clamps 21 rotation back and drive square 31, square 31 is rotatory back, cold water inlet tube 32 closes, hot water inlet tube 33 opens, the pressure in the test pipeline 226 that test and hot water inlet tube 33 are connected, if the pressure of test is less than the predetermined value, then the gas tightness of hot water inlet tube 33 of tap 3 is not good, otherwise, then the hot water inlet tube 33 gas tightness of tap 3 is good.
When the faucet 3 is detected, the positioning screw 222 is matched with the positioning nut 152, the lower holder 22 is fixed on the cross rod 15, when the tool clamp 2 moves, the positioning screw 222 is unscrewed, the lower holder 22 moves along the length direction of the cross rod 15 to drive the positioning nut 152 to move along the length direction of the dovetail groove 151, and the slider 42 at the upper end of the connecting rod 231 moves in the sliding groove 41 to further drive the whole tool clamp 2 to move along the length direction of the cross rod 15; when the fixing is performed, the set screw 222 is screwed in, and the lower holder 22 is fixed on the cross bar 15 under the cooperation of the set screw 222 and the set nut 152.
Example two:
referring to fig. 8, the work fixture 2 further includes a rotary driving mechanism 5 for driving the lower holder 22 to rotate.
Referring to fig. 9 and 10, the connecting rod 231 includes an upper portion 2311 and a lower portion 2312 rotatably connected with the upper portion 2311 through a rotating shaft 2315, a notch 2314 is formed in an end surface of the upper portion 2311 close to the lower portion 2312, the notch 2314 is located in the middle of the end surface of the upper portion 2311, the notch 2314 penetrates through front and rear surfaces of the upper portion 2311, a protrusion 2313 embedded in the notch 2314 is arranged on the end surface of the lower portion 2312 close to the upper portion 2311, and the rotating shaft 2315 penetrates through the upper portion 2311 and the lower portion 2312 and connects the protrusion 2313 and the notch 2314 in series.
The rotation shaft 2315 and the lower portion 2312 are integrally arranged, the length direction of the rotation shaft 2315 is the same as the arrangement mode of the tooling fixture 2, and the clamping driving mechanism 23, the rotation driving mechanism and the upper fixture 21 are all positioned at the lower portion 2312 of the connecting rod 231.
The rotation driving mechanism 5 includes a third driving member, the third driving member is a first driving motor 51, an output shaft of the first driving motor 51 is in transmission connection with the rotation shaft 2315, and the third driving member is fixedly connected with the upper portion 2311 through a second fixing piece 2232.
The upper end of the connecting rod 231 is provided with a positioning piece 6, a positioning screw 222 penetrates through the positioning piece 6, and the positioning screw 222 is abutted against the top plate 14, so that the whole connecting rod 231 is pressed, and the connecting rod 231 is prevented from moving in the sliding groove 41.
When the faucet 3 is mounted or dismounted, the first driving motor 51 is activated, and the rotating shaft 2315 is rotated by the first driving motor 51, so that the lower portion 2312 of the connecting rod 231 is rotated around the rotating shaft 2315.
Example three:
the difference from the second embodiment is only in the way of driving the lower clamp holder 22 to rotate:
referring to fig. 11, the work fixture 2 further includes a rotary driving mechanism 5 for driving the lower holder 22 to rotate.
The connecting rod 231 comprises an upper portion 2311 and a lower portion 2312 rotatably connected with the upper portion 2311 through a rotating shaft 2315, the rotating shaft 2315 and the lower portion 2312 are integrally arranged, the length direction of the rotating shaft 2315 is the same as the arrangement mode of the work fixture 2, and the clamping driving mechanism 23, the rotating driving mechanism and the upper fixture 21 are all located on the lower portion 2312 of the connecting rod 231.
Referring to fig. 12 and 13, the rotary driving mechanism 5 includes a fourth driving member and an abutting block 54, the fourth driving member is connected to the upper portion 2311 through the second fixing plate 52, the fourth driving member is a first vertical cylinder 53, a traveling direction of a piston rod of the first vertical cylinder 53 is perpendicular to the working platform 11, the abutting block 54 is fixed to a side surface of the lower portion 2312 away from the upper fixture 21 by welding, and the piston rod of the first vertical cylinder 53 corresponds to the abutting block 54.
Referring to fig. 14, an abutting ball 531 is disposed at an end of a piston rod of the first vertical cylinder 53, a moving groove 541 is disposed on a side surface of the abutting block 54 close to the first vertical cylinder 53, the moving groove 541 is provided with a moving block 542 slidably connected to the moving groove 541, and a height of the moving block 542 is greater than a depth of the moving groove 541, so that the moving block 542 protrudes from the moving groove 541. The side surface of the moving block 542 departing from the bottom of the moving groove 541 is provided with an abutting groove 543 for the abutting ball 531 to insert, the bottom of the abutting groove 543 is arc-shaped, and the abutting groove 543 is hemispherical in this embodiment.
A return spring 544 is disposed at the bottom of the moving groove 541, the return spring 544 is a compression spring, one end of the return spring 544 is abutted against the moving block 542, and the other end is abutted against the groove wall of the moving groove 541.
When the faucet 3 is mounted or dismounted, the first vertical cylinder 53 is started, the abutting ball 531 at the end of the piston rod of the first vertical cylinder 53 is embedded into the abutting groove 543 of the moving block 542, the moving block 542 moves along the moving groove 541 under the driving of the piston rod, and the abutting block 54 rotates along the rotating shaft 2315 under the abutting of the first vertical cylinder 53, so that the lower portion 2312 of the connecting rod 231 is driven to rotate.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. A faucet airtightness testing machine comprises a machine body (1), wherein the machine body (1) is provided with a working platform (11), the working platform (11) is provided with a plurality of tool fixtures (2) which are arranged side by side, the faucet airtightness testing machine is characterized in that each tool fixture (2) comprises an upper fixture (21), a lower clamping seat (22) and a clamping driving mechanism (23) for driving the upper fixture (21) to move towards the lower clamping seat (22), and the upper fixture (21) is positioned above the lower clamping seat (22);
the side surface, close to the upper clamp (21), of the lower clamp holder (22) is provided with a mounting groove (224), the lower clamp holder (22) is provided with a water inlet channel (225), a water inlet of the water inlet channel (225) is connected with a water source, and a water outlet of the water inlet channel (225) faces the upper clamp (21);
the tooling fixture (2) further comprises a rotary driving mechanism (5) for driving the lower clamping seat (22) to rotate, the connecting rod (231) comprises an upper portion (2311) and a lower portion (2312) which is rotationally connected with the upper portion (2311) through a rotating shaft (2315), the rotating shaft (2315) and the lower portion (2312) are integrally arranged, the length direction of the rotating shaft (2315) is the same as the arrangement mode of the tooling fixture (2), the clamping driving mechanism (23), the rotary driving mechanism and the upper fixture (21) are all located on the lower portion (2312) of the connecting rod (231), the rotary driving mechanism (5) comprises a fourth driving piece and a butting block (54), the fourth driving piece is fixedly connected with the upper portion (2311), the fourth driving piece is a first vertical cylinder (53), and the butting block (54) is arranged on the side face, away from the upper fixture (21), of the lower portion (2312), a piston rod of the first vertical cylinder (53) is abutted against the side surface of the abutting block (54) departing from the lower clamping seat (22);
a butting ball (531) is arranged at the end of a piston rod of the first vertical cylinder (53), a moving groove (541) is formed in the side face, abutted against the piston rod of the first vertical cylinder (53), of the butting block (54), a moving block (542) in sliding connection with the moving groove (541) is arranged in the moving groove (541), a butting groove (543) for embedding the butting ball (531) is formed in the side face, deviating from the groove bottom of the moving groove (541), of the moving block (542), and the groove bottom of the butting groove (543) is arc-shaped;
a return spring (544) is arranged at the bottom of the moving groove (541), one end of the return spring (544) is abutted against the moving block (542), and the other end of the return spring is abutted against the groove wall of the moving groove (541).
2. The air tightness testing machine for the faucet according to claim 1, wherein the clamping driving mechanism (23) comprises a vertically arranged connecting rod (231) and a first driving member (232), an upper end of the connecting rod (231) is slidably connected with the machine body (1), a lower end of the connecting rod (231) is fixedly connected with the lower clamping seat (22), the first driving member (232) is connected with the connecting rod (231) through a screw, and the first driving member (232) is in transmission connection with the upper clamp (21).
3. The faucet airtightness testing machine according to claim 2, wherein the tool holder (2) further includes a rotation driving mechanism for driving the upper holder (21) to rotate, the rotation driving mechanism is disposed between the clamping driving mechanism (23) and the upper holder (21), the rotation driving mechanism includes a second driving motor (24), and a rotation axis of the second driving motor (24) is the same as a central axis of the mounting groove (224).
4. The faucet airtightness testing machine according to claim 1, wherein the tooling fixture (2) further comprises a sliding assembly (4), the sliding assembly (4) comprises a sliding groove (41) and a sliding block (42) slidably connected with the sliding groove (41), the machine body (1) is provided with a top plate (14), the top plate (14) is located above the working platform (11), the sliding groove (41) is arranged on a side surface of the top plate (14) close to the working platform (11), the length direction of the sliding groove (41) is the same as the arrangement direction of the plurality of the tooling fixtures (2), and the sliding block (42) is fixedly connected with the connecting rod (231).
5. The faucet airtightness testing machine according to claim 4, wherein the tooling fixture (2) further comprises a positioning assembly, the positioning assembly comprises a cross rod (15), the cross rod (15) is mounted on the working platform (11), the length direction of the cross rod (15) is the same as the arrangement manner of the tooling fixture (2), and the lower clamping seat (22) is connected with the cross rod (15) through a screw.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911383778.4A CN111141464B (en) | 2019-12-28 | 2019-12-28 | Tap gas tightness test machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911383778.4A CN111141464B (en) | 2019-12-28 | 2019-12-28 | Tap gas tightness test machine |
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| CN111141464A CN111141464A (en) | 2020-05-12 |
| CN111141464B true CN111141464B (en) | 2021-10-29 |
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| CN111141464A (en) | 2020-05-12 |
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