CN220018865U - Equipment for detecting tightness of automobile engine oil filter - Google Patents

Abstract

The utility model belongs to the technical field of detection of automobile filters, and particularly discloses equipment for detecting tightness of an automobile oil filter, which comprises a frame, wherein a bearing seat is fixedly connected to the frame, a cylinder body is arranged at the bottom of the bearing seat, a clamping jaw cylinder is movably connected in the cylinder body, a piston is sleeved outside the clamping jaw cylinder, the piston is positioned in the cylinder body and moves along the axial direction of the cylinder body, an inner cavity is formed by surrounding the clamping jaw cylinder, the piston, the cylinder body and the bearing seat together, a detection hole for extending out of a clamping jaw of the clamping jaw cylinder is formed in the bearing seat in a penetrating manner, the detection hole is communicated with the inner cavity, and a vent hole is formed in the side wall of the detection hole in a penetrating manner. The utility model uses the clamping jaw to open outwards in the filter to clamp the filter, pulls down the filter, then ventilates the product and the cylinder body, so that back pressure is generated in the cylinder body, the pressure change inside and outside the cylinder body is directly detected, the tightness of the product can be detected, no liquid residue exists after the whole sealing detection, the detection process is convenient, the detection efficiency is high, and the automatic batch production can be realized.

Description

Equipment for detecting tightness of automobile engine oil filter

Technical Field

The utility model belongs to the technical field of detection of automobile filters, and particularly relates to equipment for detecting tightness of an automobile oil filter.

Background

The engine oil filter is a filtering component of an automobile engine, is used for removing dust, metal particles, carbon precipitates, soot particles and other impurities in engine oil, preventing a fuel system from being blocked (particularly a fuel nozzle), reducing mechanical abrasion, ensuring stable operation of the engine, improving reliability, further protecting the engine, and because the engine oil filter is connected with an oil discharge pipe through a threaded connection structure, the engine oil filter is required to be subjected to seal detection in the production process, and ensuring inorganic oil leakage of the filter to be used normally.

The existing oil filter detects the tightness thereof in an oil detection or water detection mode, namely: the oil or water is injected into the oil hole of the oil filter, and then whether the oil or water leaks or not is judged to judge the tightness of the filter, and after the detection is finished, the residual oil or water exists in the filter, so that the cleaning is difficult, the detection is very inconvenient, and the detection efficiency is low.

Accordingly, the inventors have devised an apparatus to solve the above-described problems.

Disclosure of Invention

The utility model aims at: the device for detecting the tightness of the engine oil filter of the automobile is convenient to detect and high in detection efficiency, and no liquid residue exists after detection.

In order to achieve the above purpose, the utility model adopts a technical scheme that:

the utility model provides a device for detecting car oil cleaner leakproofness, includes the frame, fixedly connected with bears the seat in the frame, the bottom that bears the seat is equipped with the cylinder body, swing joint has the clamping jaw cylinder in the cylinder body, clamping jaw cylinder overcoat is equipped with the piston, the piston is located in the cylinder body and along the axial displacement of cylinder body, clamping jaw cylinder the piston the cylinder body with bear the seat and enclose jointly and establish the formation inner chamber, bear and wear to be equipped with on the seat and supply the detection hole that the clamping jaw of clamping jaw cylinder stretches out, the detection hole with the inner chamber intercommunication, the lateral wall of detection hole wears to be equipped with the air vent.

As an improvement of the device for detecting the tightness of the engine oil filter of the automobile, a fixing frame is arranged below the bearing seat, a vertical moving screw rod is rotatably connected to the fixing frame, a vertical moving seat is movably sleeved on the vertical moving screw rod, the vertical moving seat vertically moves along with the rotation of the vertical moving screw rod, and the vertical moving seat is fixedly connected with the piston through a pushing column.

As an improvement of the device for detecting the tightness of the engine oil filter of the automobile, the clamping jaw cylinder comprises a clamping jaw cylinder and a clamping jaw head, the clamping jaw is positioned on the end face of the clamping jaw head and is driven to open and close by the clamping jaw cylinder, the piston is sleeved on the clamping jaw head, and the clamping jaw cylinder is in sliding connection with the push column through a sliding disc.

As an improvement of the device for detecting the tightness of the engine oil filter of the automobile, a pressing block is arranged right above the bearing seat, a positioning hole is arranged at the bottom of the pressing block, the positioning hole and the detection hole are coaxially arranged, a material pressing screw rod is rotatably connected to the rack, a material pressing sliding block is sleeved on the material pressing screw rod, and the material pressing sliding block is connected with the pressing block through the material pressing rod.

As an improvement of the device for detecting the tightness of the engine oil filter of the automobile, the bearing seat is rotatably connected with a material rotating rod, and the material rotating rod is positioned beside the detection hole.

As an improvement of the device for detecting the tightness of the engine oil filter of the automobile, a pair of locating clamps are connected to the bearing end face of the bearing seat in a sliding manner, the same pair of locating clamps are symmetrically arranged, the sliding directions of the locating clamps are opposite, and the detection holes are positioned between the same pair of locating clamps.

As an improvement of the device for detecting the tightness of the engine oil filter of the automobile, the material transferring rod is positioned on one of the positioning clamps, the clamping parts of the positioning clamps are V-shaped, and the same pair of positioning clamps are driven by the same belt transmission mechanism to slide reversely.

As an improvement of the device for detecting the tightness of the engine oil filter of the automobile, the frame is provided with the input belt and the output belt, the output belt and the input belt are arranged in the same running direction and at intervals, and the bearing seats are arranged between the input belt and the output belt in a plurality of rows at intervals.

As an improvement of the device for detecting the tightness of the engine oil filter of the automobile, the input end of the input belt is in butt joint with the feed belt, two stop blocks are arranged above the feed belt at intervals, and the two stop blocks are pushed by different stop material cylinders to extend into the conveying space of the feed belt.

As an improvement of the device for detecting the tightness of the engine oil filter of the automobile, a plurality of defective product boxes are fixed on the frame at intervals, the output belt is positioned between the defective product boxes and the bearing seats, and the defective product boxes and the bearing seats are arranged in one-to-one correspondence.

Compared with the prior art, the device for detecting the tightness of the engine oil filter of the automobile is characterized in that the cylinder body is arranged at the bottom of the bearing seat, the clamping jaw cylinder is arranged in the cylinder body, the clamping jaw of the clamping jaw cylinder extends into the oil hole of the filter on the bearing seat so as to be outwards opened in the filter to clamp the filter, the clamping jaw cylinder directly pulls down the filter, the filter can be in sealing connection with the bearing seat, then the bearing seat is used for ventilating the filter and the cylinder body, so that back pressure is generated in the cylinder body, the pressure change inside and outside the cylinder body is directly detected, the tightness of the filter can be detected, no liquid remains after the whole sealing detection, the detection process is convenient, the detection efficiency is high, and the device can also be used for automatic mass production.

Description of the drawings:

FIG. 1 is a perspective view of an apparatus for detecting tightness of an oil filter of an automobile according to the present utility model;

FIG. 2 is a perspective view showing the internal structure of the apparatus for detecting sealability of an oil filter for an automobile according to the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a perspective view showing another internal structure of the apparatus for detecting sealability of an oil filter for an automobile according to the present utility model;

FIG. 5 is an enlarged perspective view of the feed end of the apparatus for detecting tightness of an automotive oil filter of the present utility model;

FIG. 6 is an enlarged perspective view of an output belt of the apparatus for detecting tightness of an oil filter of an automobile of the present utility model;

FIG. 7 is an enlarged perspective view of a seal inspection station of the present utility model;

FIG. 8 is another enlarged perspective view of the seal inspection station of the present utility model;

FIG. 9 is an enlarged perspective view of the carrier, the retention clip, the transfer bar and the associated drive portions of the present utility model;

FIG. 10 is yet another enlarged perspective view of the seal inspection station of the present utility model;

FIG. 11 is an enlarged cross-sectional view of the carrier, press block, jaw cylinder, and associated drive portions of the present utility model;

fig. 12 is an enlarged view at B in fig. 11;

fig. 13 is a perspective enlarged view of the opened state of the jaw cylinder and the filter of the present utility model.

Illustration of:

1. a frame; 11. a feed belt; 111. a first material blocking cylinder; 1111. a first stopper; 112. a second material blocking cylinder; 1121. a second stopper; 113. a feed motor; 114. a feeding driving wheel; 12. an input belt; 13. an output belt; 131. an output motor; 14. a discharge belt; 15. a defective product box; 16. a fixing frame; 2. a bearing seat; 21. a vent hole; 22. a detection hole; 3. a material transferring rod; 31. a material transferring motor; 4. a positioning clamp; 41. a clamping part; 42. clamping the motor; 43. clamping the belt; 431. a connecting block; 432. a connecting rod; 5. briquetting; 51. a pressing motor; 511. a material pressing belt; 52. a material pressing screw rod; 521. a pressing slide block; 522. a pressing rod; 53. positioning holes; 6. a clamping jaw cylinder; 61. a jaw cylinder; 611. a slide plate; 62. a jaw head; 621. a clamping jaw; 63. a vertically moving motor; 631. vertically moving a screw rod; 632. a vertical moving seat; 6321. pushing a column; 633. a piston; 7. a cylinder; 71. an inner cavity; 8. a filter; 81. a hole is formed; 82. a hole is formed; 83. and (3) sealing rings.

Detailed Description

Embodiments of the present utility model will now be described in detail with reference to the drawings, which are intended to be used as references and illustrations only, and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 13, an apparatus for detecting tightness of an engine oil filter of an automobile comprises a frame 1, a bearing seat 2 is fixedly connected to the frame 1, a cylinder body 7 is arranged at the bottom of the bearing seat 2, a clamping jaw cylinder 6 is movably connected to the cylinder body 7, a piston 633 is sleeved outside the clamping jaw cylinder 6, the piston 633 is located in the cylinder body 7 and moves along the axial direction of the cylinder body 7, an inner cavity 71 is formed by encircling the clamping jaw cylinder 6, the piston 633, the cylinder body 7 and the bearing seat 2, a detection hole 22 for extending out of a clamping jaw 621 of the clamping jaw cylinder 6 is formed in the bearing seat 2 in a penetrating manner, the detection hole 22 is communicated with the inner cavity 71, and a vent hole 21 is formed in the side wall of the detection hole 22 in a penetrating manner.

Referring to fig. 1 to 4, the number of the carrying seats 2 is preferably four, in the present utility model, the number of the carrying seats 2, the cylinder body 7, the jaw cylinder 6 and the piston 633 are the same and correspond to each other, the frame 1 is provided with an input belt 12, an output belt 13, a feeding belt 11 and a discharging belt 14, wherein the feeding belt 11 and the input belt 12 are arranged in a row, the output end of the feeding belt 11 is in butt joint with the input end of the input belt 12, so that the filter 8 on the feeding belt 11 can be smoothly conveyed to the input belt 12, the output belt 13 and the input belt 12 are in the same running direction and are arranged at intervals, the four carrying seats 2 are arranged between the input belt 12 and the output belt 13 in a row at intervals, the discharging belt 14 and the output belt 13 are arranged in a row, and the output end of the output belt 13 is in butt joint with the input end of the discharging belt 14, so that the filter 8 on the output belt 13 can be smoothly conveyed to the discharge belt 14, in the utility model, the structures of the input belt 12, the output belt 13, the feed belt 11 and the discharge belt 14 are the same, the feeding belt 11 is taken as an example for illustration, a feeding driving wheel 114 is arranged below the feeding belt 11, the feeding driving wheel 114 is driven to rotate by a feeding motor 113 on the frame 1, after the left end and the right end of the whole feeding belt 11 bypass corresponding driven wheels, two directional wheels are also required to bypass the feeding driving wheel 114, the feeding motor 113 directly drives the feeding driving wheel 114 to drive the feeding belt 11 to operate, the output end of the frame 1 is also provided with an output motor 131, the output motor 131 drives the output belt 13 to operate through the output driving wheel, the structures and the operating principles of the input belt 12 and the output belt 13 are the same as those of the feeding belt 11, and will not be described here.

Referring to fig. 2, 4 and 5, two stoppers are disposed above the feeding belt 11 and spaced above the feeding belt 11, the two stoppers are specifically a first stopper 1111 and a second stopper 1121, the first stopper 1111 and the second stopper 1121 are disposed along the product conveying direction of the feeding belt 11 and spaced along the product conveying direction of the feeding belt 11, two different stopping cylinders are disposed on the side of the feeding belt 11, the two stopping cylinders are specifically a first stopping cylinder 111 and a second stopping cylinder 112, the first stopper 1111 is fixed on the output shaft of the first stopping cylinder 111, the second stopper 1121 is fixed on the output shaft of the second stopping cylinder 112, when a plurality of filters 8 are disposed on the feeding belt 11, the second stopping cylinder 112 pushes the second stopper 1121 to move into the conveying space of the feeding belt 11, and prevents all the filters 8 from moving forward, the first stopping cylinder 111 pushes the first stopper 1111 to move into the conveying space of the feeding belt 11 and between the two filters 8 at the forefront end, and when the forefront filters 8 are separated from each other, the forefront filters 1121 can be smoothly retracted, and the forefront filters 8 can be smoothly moved to the forefront filters 12.

Referring to fig. 2, fig. 3, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12 and fig. 13, the vent hole 21 of each bearing seat 2 is vertically arranged with the corresponding detection hole 22, the tightness detection structure on each bearing seat 2 is the same, and in particular, a clamping jaw cylinder 6 and a cylinder body 7 are arranged at the bottom of each bearing seat 2, the cylinder body 7 is tubular and sleeved outside the whole clamping jaw cylinder 6, the clamping jaw cylinder 6 comprises a clamping jaw cylinder 61 and a clamping jaw head 62, the top end surface of the clamping jaw head 62 is provided with a three-finger clamping jaw 621, the clamping jaw 621 can be driven by the clamping jaw cylinder 61 to realize opening and closing movements, a piston 633 is sleeved on the clamping jaw 621, two sealing rings are sleeved outside the piston 633, the piston 633 is positioned below the clamping jaw 621, the cylinder 61 is positioned right below the clamping jaw head 62, a clamping jaw 611 is fixedly sleeved outside the cylinder 61, a fixing frame 16 is arranged below each bearing seat 2, a clamping jaw cylinder 6 and a cylinder 7 are arranged between the bearing seat 2 and the fixing frame 16, the fixing frame 16 is arranged in the frame 1 and fixedly connected with the frame 1, a vertical moving motor 63 is fixed at the bottom of the fixing frame 16, a vertical moving screw rod 631 is arranged on an output shaft at the top of the vertical moving motor 63, the vertical moving screw rod 631 rotates to pass through the fixing frame 16, a vertical moving seat 632 is movably sleeved on the vertical moving screw rod 631, the vertical moving seat 632 is arranged in the fixing frame 16, the vertical moving seat 632 vertically moves along with the rotation of the vertical moving screw rod 631, four pushing posts 6321 vertically fixed on the end face of the vertical moving seat 632 pass through the fixing frame 16 and extend out of the fixing frame 16 to be fixedly connected with a piston 633, so that the vertical moving seat 632 can be fixedly connected with the piston 633 through the four pushing posts 6321, the four pushing posts 6321 are arranged at intervals around the clamping jaw cylinder 61, four notches at the edge of the sliding disc 611 are correspondingly matched with the four pushing posts 6321 in a one-to-one sliding manner, so that the clamping jaw cylinders 61 are in sliding connection with the pushing posts 6321 through the sliding disc 611, the vertical movement motor 63 drives the vertical movement screw rod 631 to rotate, the vertical movement screw rod 631 drives the vertical movement seat 632 to move, the vertical movement seat 632 drives the piston 633 to move in the cylinder 7 through the four pushing posts 6321, the volume of the inner cavity 71 is changed, and meanwhile, the clamping jaw heads 62 synchronously move along with the piston 633, so that the positions of the clamping jaws 621 are changed.

Referring to fig. 9, 11 and 12, in order to push the filter 8 on the input belt 12 onto the corresponding carrying seat 2, a material transferring rod 3 is rotatably connected to each carrying seat 2, the material transferring rod 3 is located beside the detection hole 22 of the corresponding carrying seat 2, a material transferring motor 31 is fixed to the bottom of the carrying seat 2, the material transferring rod 3 is located on the output shaft of the material transferring motor 31, the material transferring motor 31 drives the material transferring rod 3 to rotate, so that the filter 8 on the input belt 12 can be pushed onto the corresponding carrying seat 2, and the filter 8 on the carrying seat 2 can also be pushed onto the output belt 13.

Referring to fig. 7, 9, 11 and 12, since the material transferring rod 3 is difficult to accurately push the filter 8 onto the detection hole 22 of the bearing seat 2 from the input belt 12, the device of the utility model also needs to correct the position of the filter 8 on the bearing seat 2 before sealing test, a pair of positioning clamps 4 are slidably connected to the bearing end surface of each bearing seat 2, the same pair of positioning clamps 4 are symmetrically arranged and have opposite sliding directions, the detection hole 22 of the bearing seat 2 is positioned between the same pair of positioning clamps 4, the clamping part 41 of each positioning clamp 4 is V-shaped, the material transferring rod 3 is positioned on the left positioning clamp 4, the same pair of positioning clamps 4 are driven to reversely slide by the same belt transmission mechanism, the whole belt transmission mechanism is positioned under the output belt 13, in particular, the belt transmission mechanism comprises a clamping motor 42, two connecting blocks 431 and two connecting rods 432, the clamping motor 42 is fixed on the frame 1, the two connecting blocks 431 are respectively clamped on the upper end surface and the lower end surface of the clamping belt 43, the two positioning clamps 4 are respectively connected with the two connecting rods 432 through the connecting rods 431 to the two corresponding gears, and the two connecting blocks 431 are driven by the same belt transmission mechanism to realize the opposite sliding direction, and the two driving clamps 4 are driven to reversely slide, and the clamping force sensor 4 is driven to realize the opposite movement of the clamping direction is driven by the same, and the two driving clamps 4 are positioned, and the opposite movement is driven by the opposite clamping direction to realize or the opposite clamping direction is driven to realize.

Referring to fig. 2 and 7, in order to make the clamping jaw 621 of the clamping jaw cylinder 6 smoothly insert into the outlet hole 81 of the filter 8 and clamp the filter 8, and simultaneously, detect the clamped product, a pressing block 5 is arranged right above each bearing seat 2, a positioning hole 53 is arranged at the bottom of the pressing block 5, the positioning hole 53 and the corresponding detection hole 22 of the bearing seat 2 are coaxially arranged, a pressing motor 51 is arranged on the support frame of the frame 1, a pressing screw rod 52 is rotatably connected to the support frame, the pressing motor 51 is connected with the pressing screw rod 52 in a belt transmission manner through a pressing belt 511, a pressing sliding block 521 is movably sleeved on the pressing screw rod 52, the pressing sliding block 521 is fixedly connected with the top of the pressing block 5 through two pressing rods 522, the pressing motor 51 drives the pressing screw rod 52 to rotate through a pressing belt 511, and then the pressing screw rod 52 is driven to move vertically, the pressing screw rod 52 drives the pressing block 5 to move vertically, and the pressing block 5 has a moment detection function, so that the product can be automatically detected to be positioned in the positioning hole 53.

Referring to fig. 2 and 4, in order to detect the filter 8 in real time, the sides of the feeding belt 11 and the input belt 12 are respectively provided with a proximity switch, and a plurality of defective product boxes 15 are fixed on the frame 1 at intervals, because the utility model has four sealing detection stations, the embodiment prefers four defective product boxes 15, four clamping motors 42 are arranged beside the four defective product boxes 15 in a one-to-one correspondence manner, the output belt 13 is arranged between the four defective product boxes 15 and the four bearing seats 2, the four defective product boxes 15 are arranged in a one-to-one correspondence manner with the four bearing seats 2, the rotation speed and angle of the material rotating rod 3 directly determine the material rotating position of the filter 8, when the material rotating rod 3 rotates at a certain speed and angle, the filter 8 can be pushed onto the material discharging belt 14, and when the material rotating rod 3 rotates at a larger speed and angle, the filter 8 can be pushed into the defective product boxes 15.

Referring to fig. 1 to 13, the apparatus for detecting tightness of an oil filter for an automobile according to the present utility model sequentially comprises, from right to left, four stations corresponding to four bearing seats 2: the working principle of the whole equipment is as follows:

sequentially placing a plurality of filters 8 on a feeding belt 11, and driving the feeding belt 11 to run by a feeding motor 113 through a feeding driving wheel 114 to drive the plurality of filters 8 to move leftwards;

when the proximity switch on the feeding belt 11 detects the first filter 8, the second blocking cylinder 112 pushes the second stop block 1121 to move forward to prevent other filters 8 from blocking until the first filter 8 moves to the first sealing detection station of the input belt 12, the first blocking cylinder 111 pushes the first stop block 1111 to be inserted between the second filter 8 and the third filter 8, the second blocking cylinder 112 controls the second stop block 1121 to retract, and the second filter 8 moves to the input belt 12 along with the feeding belt 11 until the front four filters 8 are placed on the input belt 12 at intervals and correspond to the four sealing detection stations one by one;

the material rotating motor 31 on each sealing detection station drives the corresponding material rotating rod 3 to rotate anticlockwise, and the filter 8 on the input belt 12 is pushed to the corresponding bearing seat 2;

the clamping motor 42 drives the same pair of positioning clamps 4 to slide on the bearing seat 2 in opposite directions through belt transmission, clamps the filter 8 on the bearing seat 2, and enables the outlet 81 at the bottom of the filter 8 to be coaxial with the detection hole 22 on the bearing seat 2, and at the moment, the positioning clamps 4 can detect whether the filter 8 is clamped or not and detect the size of the clamped filter 8;

the pressing motor 51 drives the pressing screw rod 52 to rotate through a belt transmission, so that the pressing slide block 521 is driven to move downwards, the pressing slide block 521 drives the pressing block 5 to move downwards through the pressing rod 522, the filter 8 is positioned in the positioning hole 53 of the pressing block 5, and at the moment, the clamping motor 42 controls the same pair of positioning clamps 4 to slide back on the bearing seat 2 through the belt transmission, so that the filter 8 is loosened;

the vertical moving motor 63 controls the vertical moving screw rod 631 to rotate, the vertical moving seat 632 moves upwards, the vertical moving seat 632 pushes the piston 633 and the clamping jaw cylinder 6 to move upwards through the vertical moving screw rod 631, the clamping jaw 621 of the clamping jaw cylinder 6 passes through the detection hole 22 of the bearing seat 2 and stretches into the outlet hole 81 at the bottom of the filter 8, at the moment, the clamping jaw cylinder 6 pushes the filter 8 to move upwards in the positioning hole 53 of the pressing block 5 for a certain distance until the filter 8 abuts against the bottom of the positioning hole 53, the pressing block 5 can detect the filter 8, the clamping jaw cylinder 61 of the clamping jaw cylinder 6 controls the three fingers of the clamping jaw 621 to open, and the filter 8 is clamped from the inside of the filter 8;

the vertical movement motor 63 reversely rotates through the vertical movement screw rod 631, the vertical movement seat 632 moves downwards, the vertical movement seat 632 pushes the piston 633 and the clamping jaw cylinder 6 to move downwards through the vertical movement screw rod 631, the clamped filter 8 is pulled downwards, and the sealing ring 83 at the bottom of the filter 8 is pressed against the bearing seat 2;

the air is ventilated from the vent hole 21 to the bearing seat 2, part of air in the bearing seat 2 enters the filter 8 from the outlet hole 81 and the plurality of inlet holes 82 at the bottom of the filter 8, and the other part of air in the bearing seat 2 enters the inner cavity 71 of the cylinder 7 to form back pressure, so that the pressure difference is generated between the inner cavity 71 and the periphery of the cylinder 7, and the pressure change inside and outside the cylinder 7 is directly detected, so that the tightness of the filter 8 can be detected;

the pressing motor 51 controls the pressing block 5 to move upwards, and the clamping jaw cylinder 6 loosens the filter 8 and retreats into the cylinder 7;

when the tightness detection shows that the filter 8 is good, the material rotating motor 31 controls the material rotating rod 3 to reversely rotate, the filter 8 on the bearing seat 2 is pushed onto the discharging belt 14, and finally the filter 8 is moved to the discharging belt 14 to be normally discharged;

when the tightness detection shows that the filter 8 is defective, the material rotating motor 31 controls the material rotating rod 3 to reversely rotate, and the filter 8 on the bearing seat 2 is pushed into the corresponding defective box 15.

According to the equipment for detecting the tightness of the engine oil filter of the automobile, four identical sealing detection stations are used for simultaneously detecting the tightness of four filters 8, each station is provided with the cylinder body 7 at the bottom of the bearing seat 2, the clamping jaw cylinder 6 is arranged in the cylinder body 7, the clamping jaw 621 of the clamping jaw cylinder 6 extends into the oil hole of the filter 8 on the bearing seat 2 so that the clamping jaw 621 opens outwards in the filter 8 to clamp the filter 8, the press block 5 is positioned and detects the filter 8, the clamping jaw cylinder 6 directly pulls down the filter 8, the filter 8 is in sealing connection with the bearing seat 2, then gas is directly introduced into the bearing seat 2, the filter 8 and the cylinder body 7 can be ventilated, back pressure is generated in the cylinder body 7, the tightness of the filter 8 is detected by utilizing the pressure difference between the inside and outside of the cylinder body 7, after detection, the material rotating rod 3 of each station pushes the filter 8 with good tightness onto the output belt 13 according to the tightness detection result so as to convey the filter 8 to the output belt 14, the filter 8 with bad tightness is pushed into the corresponding defective filter boxes 15, the automatic quality detection box with bad quality reaching quality, and the production efficiency is realized, and batch production is improved.

The above disclosure is illustrative of the preferred embodiments of the present utility model and should not be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. The utility model provides a device for detecting car oil cleaner leakproofness, includes the frame, its characterized in that, fixedly connected with bears the seat in the frame, the bottom that bears the seat is equipped with the cylinder body, swing joint has the clamping jaw cylinder in the cylinder body, clamping jaw cylinder overcoat is equipped with the piston, the piston is located in the cylinder body and along the axial displacement of cylinder body, clamping jaw cylinder the piston the cylinder body with bear the seat and enclose jointly and establish the formation inner chamber, wear to be equipped with on the bearing the seat and supply the detection hole that the clamping jaw of clamping jaw cylinder stretches out, the detection hole with the inner chamber intercommunication, the lateral wall in detection hole wears to be equipped with the air vent.

2. The device for detecting tightness of an oil filter of an automobile according to claim 1, wherein a fixing frame is arranged below the bearing seat, a vertical moving screw rod is rotatably connected to the fixing frame, a vertical moving seat is movably sleeved on the vertical moving screw rod, the vertical moving seat vertically moves along with rotation of the vertical moving screw rod, and the vertical moving seat is fixedly connected with the piston through a pushing column.

3. The apparatus for detecting tightness of an oil filter for an automobile according to claim 2, wherein the jaw cylinder comprises a jaw cylinder and a jaw head, the jaw is located on an end face of the jaw head and is driven to open and close by the jaw cylinder, the piston is sleeved on the jaw head, and the jaw cylinder is slidably connected with the push post through a slide plate.

4. The device for detecting tightness of an engine oil filter of an automobile according to claim 1, wherein a pressing block is arranged right above the bearing seat, a positioning hole is arranged at the bottom of the pressing block, the positioning hole and the detection hole are coaxially arranged, a material pressing screw rod is rotatably connected to the rack, a material pressing sliding block is sleeved on the material pressing screw rod, and the material pressing sliding block is connected with the pressing block through the material pressing rod.

5. The apparatus for detecting tightness of an oil filter for an automobile according to claim 1, wherein a material turning rod is rotatably connected to the bearing seat, and the material turning rod is located beside the detection hole.

6. The apparatus for detecting tightness of an oil filter for an automobile according to claim 5, wherein a pair of positioning clamps are slidably connected to a bearing end surface of the bearing seat, the same pair of positioning clamps are symmetrically arranged and have opposite sliding directions, and the detecting hole is located between the same pair of positioning clamps.

7. The apparatus for detecting tightness of an oil filter for an automobile according to claim 6, wherein the material turning lever is located on one of the positioning clamps, the clamping portions of the positioning clamps are V-shaped, and the same pair of positioning clamps are driven to slide reversely by the same belt transmission mechanism.

8. The apparatus for detecting tightness of an oil filter for an automobile according to claim 1, wherein the frame is provided with an input belt and an output belt, the output belt is arranged in the same running direction as the input belt at intervals, and the number of the bearing seats is plural and is arranged between the input belt and the output belt at intervals in a row.

9. The apparatus for detecting tightness of an oil filter for an automobile according to claim 8, wherein the input end of the input belt is abutted with a feed belt, two stoppers are provided above the feed belt at intervals, and the two stoppers are pushed by different stopper cylinders to extend into a conveying space of the feed belt.

10. The apparatus for detecting tightness of an oil filter for an automobile according to claim 8, wherein a plurality of defective boxes are fixed on the frame at intervals, the output belt is positioned between a plurality of defective boxes and a plurality of bearing seats, and a plurality of defective boxes are arranged in one-to-one correspondence with a plurality of bearing seats.