CN214092106U - Vacuum box for improving oil rail helium detection production efficiency - Google Patents
Vacuum box for improving oil rail helium detection production efficiency Download PDFInfo
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- CN214092106U CN214092106U CN202022488021.6U CN202022488021U CN214092106U CN 214092106 U CN214092106 U CN 214092106U CN 202022488021 U CN202022488021 U CN 202022488021U CN 214092106 U CN214092106 U CN 214092106U
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Abstract
The utility model relates to a car fuel oil rail helium leak testing field especially relates to a vacuum chamber for improving oil rail helium and examine production efficiency, including box and the case lid of taking the sealing washer. A plurality of sets of detection devices are arranged inside and outside the box body; the detection device comprises a positioning mechanism for determining the position of the detected oil rail during testing, a pressing mechanism for fixing the detected oil rail, plugging mechanisms for plugging two ends of the detected oil rail, a sealing mechanism for sealing an opening on the side wall of the detected oil rail, a helium filling mechanism for filling helium into the detected oil rail, a vacuumizing mechanism for vacuumizing the interior of the box body and a helium detection marking mechanism for marking a detection result on the detected oil rail. The utility model provides a production bottleneck problem, improved the production efficiency of assembly line, left sufficient time for product delivery, created bigger economic benefits for the company. The working process is simple, the use is convenient, the working efficiency is high, and the process feasibility is good.
Description
Technical Field
The utility model relates to a car fuel oil rail helium leak testing field especially relates to a vacuum chamber for improving oil rail helium and examine production efficiency.
Background
The automobile fuel rail is used for storing fuel, inhibiting pressure fluctuation generated by fuel supply of a high-pressure pump and fuel injection of a fuel injector, ensuring the pressure stability of the system and occupying an important position in the structure of the whole automobile.
The natural leakage of the oil supply system is particularly important, and most of the industry at present utilizes helium to perform leakage test in a vacuum box body.
The traditional helium testing production process is characterized in that only the leakage rate of 1 oil rail is detected in a vacuum box body, but the actual production finds that the process is slow in production rhythm and low in efficiency and belongs to a bottleneck process of the whole production line, and the process defects show that the traditional helium testing process cannot better adapt to the requirements of production development.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to above-mentioned current process defect, under the not enough condition of production capacity, provide a vacuum chamber for improving oil rail helium and examine production efficiency, solve production bottleneck problem.
The utility model provides a vacuum box for improving production efficiency of oil rail helium detection, which comprises a box body and a box cover, and is characterized in that a box body sealing ring is arranged at the combined position of the box body and the box cover; a plurality of sets of detection devices are arranged inside and outside the box body; the detection device comprises a positioning mechanism for determining the position of the detected oil rail during testing, a pressing mechanism for fixing the detected oil rail, plugging mechanisms for plugging two ends of the detected oil rail, a sealing mechanism for sealing an oil injection hole on the side wall of the detected oil rail, a helium filling mechanism for filling helium into the detected oil rail, a vacuumizing mechanism for vacuumizing the interior of the box body and the interior of the detected oil rail and a helium detection marking mechanism for marking a detection result on the detected oil rail;
a bottom plate parallel to the bottom surface of the box body and two vertical plates are arranged in the box body; the vertical plate is parallel to the vertical surface corresponding to the long edge of the box body, is vertically fixed on the bottom plate, and is connected with the opposite vertical plate by virtue of the reinforcing plate parallel to the vertical surface corresponding to the short edge of the box body; a cylinder fixing plate connected through a bridging rod is arranged below the bottom outside the box body;
the positioning mechanism is arranged on the bottom plate; the sealing mechanism is arranged on the vertical plate; the plugging mechanisms are fixed on the left side and the right side of the box body and penetrate through the side wall of the box body; the helium filling mechanisms are fixed on the front side and the rear side of the box body and penetrate through the side wall of the box body; the pressing mechanism and the helium detection marking mechanism are fixed on the air cylinder fixing plate below the box body and penetrate through the bottom surface of the box body to extend into the box body; the vacuumizing mechanism is fixed on the rear wall of the box body and penetrates through the rear wall of the box body.
Further, the box cover and the box body are connected through a rotating hinge; the box cover is fixed at one end of the box cover cylinder through a box cover connecting rod, and the other end of the box cover cylinder is fixed on the hinge support; the hinge support is fixed on the bottom surface of the box body through an upright post; when the box body cylinder moves, the box cover connecting rod drives one side of the box cover, so that the box cover rotates by taking the rotating hinge as a pivot, and is combined with or separated from the box body.
Furthermore, the positioning mechanism is composed of a first positioning block and a second positioning block; the shape of the first positioning block for preliminarily positioning the oil rail to be measured is matched with the shape of the bottom surface of the oil rail to be measured, and the first positioning block is fixed on the bottom plate through screws and pins; the second positioning block for accurately positioning the oil rail to be measured is arc-shaped, is attached to the side face of the oil rail to be measured and is fixed on the bottom plate through screws and pins.
Furthermore, the pressing mechanism comprises a pressing cylinder, a pressing connector, a pressing connecting rod, a pressing guide sleeve, a pressing connecting block and a pressing block; the pressing cylinder is fixed on the cylinder fixing plate and is connected with the pressing connecting rod by the pressing connector; the pressing connecting rod sleeved with the pressing guide sleeve penetrates through a bottom plate of the box body and is connected with the pressing connecting block; the pressing connecting block drives the pressing block for pressing the oil rail to be detected to move up and down along with the movement of the pressing cylinder; when the pressing block moves upwards, the pressing block presses and attaches the measured oil rail to the positioning mechanism; when the pressing block moves downwards, the pressing block loosens the measured oil rail.
Furthermore, the plugging mechanism comprises a plugging cylinder, a plugging cylinder fixing plate, a plugging connector, a plugging bridging rod, a plugging guide sleeve seat and a sealing plug; the plugging air cylinder is fixed on the plugging air cylinder fixing plate, and the plugging air cylinder fixing plate is fixed on the outer side of the side wall of the box body through the plugging bridging rod; the sealing plug is fixed on the plugging guide rod, and the plugging guide rod penetrates through the plugging guide sleeve seat to be connected with the plugging cylinder; when the plugging cylinder moves, the sealing plug is driven by the plugging guide rod to reciprocate along the direction determined by the plugging guide rod and the plugging guide sleeve seat.
Furthermore, the sealing mechanism comprises a movable adjusting plate, a sealing fixing plate, a sealing pin sleeve, a sealing pull rod, a sealing spring, a locking head sealing ring and an air charging and exhausting hole; the movable adjusting plate is connected to the bottom plate through a plurality of equal-height screws sleeved with springs; the sealing pin sleeve is fixed on the vertical plate, and a plurality of sealing springs are arranged at the position of the sealing fixed plate corresponding to the sealing pin sleeve; the sealing pull rod is coaxial with the sealing pin sleeve and is sleeved in the sealing pin sleeve, one end of the sealing pull rod is connected to the sealing fixing plate through the sealing spring, and the other end of the sealing pull rod is connected to the locking head; the locking head is provided with a locking head sealing ring matched with the inner diameter of an oil injection hole on the side wall of the measured oil rail;
after the air is inflated through the air inflation and extraction hole, the sealing pull rod is pushed by air to move backwards, so that the locking head is driven to move backwards, and meanwhile, the sealing spring is compressed; the locking head presses the locking head sealing ring to seal the oil injector hole; after the air is discharged through the air charging and exhausting hole, the sealing spring is reset to push the sealing pull rod to move forwards so as to drive the locking head to move forwards; the locking head releases the locking head sealing ring and opens the oil injector hole.
Furthermore, the helium filling mechanism comprises a helium filling cylinder, a helium filling cylinder fixing plate, a helium filling connector, a helium filling bridging rod, a helium filling guide sleeve seat and a reinforcing seat; the helium filling cylinder is fixed on the helium filling cylinder fixing plate, and the helium filling cylinder fixing plate is fixed on the outer side of the side wall of the box body through the helium filling bridging rod; the helium filling rod penetrates through the helium filling guide sleeve seat and is connected with the helium filling cylinder; when the helium filling cylinder moves, the helium filling rod reciprocates along the direction determined by the helium filling guide sleeve seat; the reinforcing seat for protecting the helium-filling rod is positioned inside the side wall of the box body and corresponds to the position of the helium-filling rod.
Furthermore, the vacuumizing mechanism consists of a flange plate and a vacuum tube; the vacuum tube is fixed on the outer side of the rear wall of the box body through the flange plate.
Furthermore, the helium detection marking mechanism comprises a marking cylinder, a marking connector, a marking needle and a fixing rod; the marking cylinder is fixed on the cylinder fixing plate and is connected with the marking needle by the marking connector; the marking needle penetrates through a bottom plate of the box body, and the fixing rod is sleeved outside the marking needle inside the box body.
The utility model discloses a vacuum chamber for improving oil rail helium detects production efficiency, the utility model provides a production bottleneck problem, improved the production efficiency of assembly line, left sufficient time for product delivery period, created bigger economic benefits for the company. The working process is simple, the use is convenient, the working efficiency is high, and the process feasibility is good.
Drawings
FIG. 1 is a front view of a preferred embodiment of the vacuum box of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural view of a positioning mechanism of a preferred embodiment of the vacuum box of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of the positioning mechanism of the vacuum chamber according to the preferred embodiment of the present invention;
fig. 6 is a schematic structural view of a pressing mechanism of a preferred embodiment of the vacuum box of the present invention;
FIG. 7 is a side view of FIG. 6;
fig. 8 is a schematic view of the pressing mechanism of the vacuum box according to a preferred embodiment of the present invention;
fig. 9 is a schematic structural view of a sealing mechanism according to a preferred embodiment of the vacuum box of the present invention;
FIG. 10 is a cross-sectional view of FIG. 9;
fig. 11 is a partially enlarged view of fig. 9.
The device comprises a box body, a box cover, a 3-box sealing ring, a 4-bottom plate, a 5-vertical plate, a 6-reinforcing plate, a 7-rotating hinge, a 8-box cover connecting rod, a 9-box cover air cylinder, a 10-hinge support, a 11-positioning mechanism, a 12-pressing mechanism, a 13-blocking mechanism, a 14-sealing mechanism, a 15-helium filling mechanism, a 16-vacuumizing mechanism, a 17-helium detection marking mechanism, an 18-upright post, a 19-air cylinder fixing plate, a 20-bridging rod and a 21-tested oil rail, wherein the box body is arranged on the box body;
1101-a first positioning block, 1102-a second positioning block;
1201-pressing cylinder, 1202-pressing connector, 1203-pressing connecting rod, 1204-pressing guide sleeve, 1205-pressing connecting block and 1206-pressing block;
1301-a plugging cylinder, 1302-a plugging cylinder fixing plate, 1303-a plugging connector, 1304-a plugging bridging rod, 1305-a plugging guide rod, 1306-a plugging guide sleeve seat and 1307-a sealing plug;
1401-movable adjusting plate, 1402-sealing fixing plate, 1403-sealing pin sleeve, 1404-sealing pull rod, 1405-sealing spring, 1406-locking head, 1407-locking head sealing ring and 1408-air charging and exhausting hole;
1501-helium-filled cylinder, 1502-helium-filled cylinder fixing plate, 1503-helium-filled connector, 1504-helium-filled bridge rod, 1505-helium-filled rod, 1506-helium-filled guide sleeve seat and 1507-reinforcing seat;
1601-flange, 1602-vacuum tube;
1701-marking cylinder, 1702-marking connector, 1703-marking needle and 1704-fixing rod.
Detailed Description
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Examples
The utility model relates to a vacuum chamber's a preferred embodiment for improving oil rail helium detects production efficiency, the main part is a seal box, as shown in fig. 1 and fig. 2, comprises box 1 and case lid 2, is equipped with box sealing washer 3 at the position that box 1 and case lid 2 combine. Two sets of detection devices are arranged inside and outside one sealing box, so that the tightness of 2 oil rails 21 to be detected can be detected simultaneously, and the detection efficiency is improved. Each set of detection equipment comprises a positioning mechanism 11 for determining the position of the detected oil rail 21 during testing, a pressing mechanism 12 for fixing the detected oil rail 21, plugging mechanisms 13 for plugging two ends of the detected oil rail 21, a sealing mechanism 14 for sealing an oil spray hole on the side wall of the detected oil rail 21, a helium filling mechanism 15 for filling helium into the detected oil rail 21, a vacuumizing mechanism 16 for vacuumizing the interior of the box body 1 and the interior of the detected oil rail 21, and a helium detection marking mechanism 17 for marking a detection result on the detected oil rail 21.
As shown in fig. 1 and 2, the case body 1 and the case cover 2 are connected by a rotation hinge 7. The box cover 2 is fixed at one end of a box cover cylinder 9 through a box cover connecting rod 8, and the other end of the box cover cylinder 9 is fixed on a hinge support 10. The hinge bracket 10 is fixed below the bottom surface of the cabinet 1 by a pillar 18. When the box body cylinder 9 acts, one end of the box cover 2 is driven by the box cover connecting rod 8, so that the box cover 2 rotates by taking the rotating hinge 7 as a fulcrum, and is combined with or separated from the box body 1.
Inside the case 1, a bottom plate 4 is disposed parallel to the bottom surface of the case 1. Two vertical plates 5 are arranged at the position which is vertical to the bottom plate and parallel to the vertical surface corresponding to the long edge of the box body 1. The vertical plate 5 is fixed on the bottom plate 4 and is connected with each other through two reinforcing plates 6 which are parallel to the vertical surface corresponding to the short edge of the box body 1. Below the bottom outside the tank, there is arranged a cylinder fixing plate 19 connected by a bridging rod 20.
As shown in fig. 1, 3, 4, and 5, the positioning mechanism 11 is disposed on the bottom plate 4 in the housing 1, and includes a first positioning block 1101 and a second positioning block 1102. The number of the first positioning blocks 1101 is 3, and the first positioning blocks are distributed along the axial direction of the oil rail 21 to be measured and fixed on the bottom plate 4 through screws and pins. The first positioning block 1101 is used for preliminarily positioning the oil rail 21 to be measured, and the shape of the first positioning block is matched with the shape of the bottom surface of the oil rail 21 to be measured; the second positioning block 1102 is arc-shaped, is attached to the side surface of the measured oil rail 21, and is used for accurately positioning the measured oil rail 21 and fixing the measured oil rail 21 by matching with a pressing mechanism. The number of the second positioning blocks 22 is 2, and the second positioning blocks are fixed on the bottom plate 4 through screw pins.
As shown in fig. 1, 2, 6, 7 and 8, the pressing mechanism 12 is fixed below the box body 1 and penetrates through the bottom surface of the box body 1, and includes a pressing cylinder 1201, a pressing connector 1202, a pressing connecting rod 1203, a pressing guide sleeve 1204, a pressing connecting block 1205 and a pressing block 1206. The pressing cylinder 1201 is fixed to the cylinder fixing plate 19 outside the case 1. The pressing cylinder 1201 is connected with a pressing connecting rod 1203 through a pressing connector 1202, and the pressing connecting rod 1203 sleeved with a pressing guide sleeve 1204 penetrates through the bottom plate 4 of the box body 1 and is connected to a pressing connecting block 1205. When compressing tightly the cylinder 1201 action, compress tightly connecting block 1205 and be driven and do the up-and-down motion to further drive compact heap 1206 up-and-down motion. When the pressing block 1206 moves upwards, the pressing block 1206 presses the measured oil rail 21 to the second positioning block 1102, and the side surface of the measured oil rail 21 is attached and fixed to the second positioning block 1102. When the hold down block 1206 moves downward, the hold down block 1206 releases the measured oil rail 21.
As shown in fig. 1 and 2, the plugging mechanism 13 is fixed to the left and right sides of the case 1 and penetrates through the side wall of the case 1. The plugging mechanism 13 comprises a plugging air cylinder 1301, a plugging air cylinder fixing plate 1302, a plugging connecting head 1303, a plugging bridging rod 1304, a plugging guide rod 1305, a plugging guide sleeve seat 1306 and a sealing plug 1307. The plugging cylinder 1301 is fixed to the plugging cylinder fixing plate 1302. The blocking cylinder fixing plate 1302 is fixed on the outer side of the side wall of the box body 1 through a blocking bridging rod 1304. The plugging guide rod 1305 penetrates through the plugging guide sleeve seat 1306, one end of the plugging guide rod is connected with the sealing plug 1307, and the other end of the plugging guide rod is connected with the plugging air cylinder 1301. When the plugging cylinder 1301 moves, the sealing plug 1307 is driven by the plugging guide rod 1305 to reciprocate. The plugging guide sleeve seat 1306 is used for ensuring the stability of the plugging guide rod 1305 during reciprocating motion.
As shown in fig. 1, 4, 9, 10 and 11, the sealing mechanism 14 is disposed on the vertical plate 5 in the box body 1, and includes a movable adjusting plate 1401, a sealing fixing plate 1402, a sealing pin 1403, a sealing pull rod 1404, a sealing spring 1405, a locking head 1406, a locking head sealing ring 1407 and an air-filling hole 1408. The movable adjusting plate 1401 is connected to the base plate 4 by a plurality of equal height screws which are sleeved with springs. By using the movable adjusting plate 1401, adjusting points with different heights can be selected for installation according to the height of the oil spray hole of the specific oil rail 21 to be measured, so that the sealing pin sleeve 1403 is aligned with the oil spray hole. The seal fixing plate 1402 is fixed on the vertical plate 5. The seal pin 1403 is attached to the seal holder 1402, and a plurality of seal springs 1405 are arranged at positions of the seal holder 1402 corresponding to the seal pin 1403. Seal tie bar 1404 is coaxial with seal pin sleeve 1403 and fits within seal pin sleeve 1403. The seal rod 1404 has one end pressed against a seal spring 1405 and is connected to the seal holding plate 1402 via the seal spring 1405, and the other end connected to a locking head 1406. The locking head 1406 is matched with the inner shape of an oil spray hole on the side wall of the tested oil rail 21, and a locking head sealing ring 1407 matched with the inner diameter of the oil spray hole is arranged on the locking head 1406 to ensure the sealing performance of the oil spray hole. Each group of detection devices is provided with a sealing mechanism 14 matched with the number of oil injection holes of the detected oil rail 21.
In operation, after the seal pin 1403 is inflated through the inflation/deflation hole 1408, the seal pull rod 1404 is pushed by the gas to move backward, and the locking head 1406 is driven to move backward. The locking head 1406 compresses the locking head seal ring 1407 and the seal ring 1407 expands to seal the injector orifice. At this time, the seal spring 1405 is in a compressed state. After the air is discharged through the air charging and exhausting hole 1408, the high-pressure air in the sealing pin sleeve 1403 is exhausted, the sealing spring 1405 is reset, the sealing pull rod 1404 is pushed to move forwards, and the locking head 1406 is driven to move forwards. The locking head 1406 releases the locking head seal ring 1407 and the seal ring 1407 returns to its shape and the injector orifice opens.
As shown in fig. 1 and 2, the helium filling mechanism 15 is fixed on the front and back sides of the box 1, and comprises a helium filling cylinder 1501, a helium filling cylinder fixing plate 1502, a helium filling connector 1503, a helium filling bridge rod 1504, a helium filling rod 1505, a helium filling guide sleeve seat 1506 and a reinforcing seat 1507 through the side wall of the box 1. The helium charging cylinder 1501 is fixed on a helium charging cylinder fixing plate 1502, and the helium charging cylinder fixing plate 1502 is fixed on the outer side of the side wall of the box body 1 through a helium charging bridge rod 1504. Helium fill rod 1505 fits within helium fill guide receptacle 1506 and is connected at one end to helium fill cylinder 1501. As the helium charging cylinder 1501 moves, the helium charging rod 1505 reciprocates in a direction determined by the helium charging guide sleeve receptacle 1506 to engage or disengage the helium pumping port 1408 of the sealing mechanism 14. A reinforcing seat 1507 is provided inside the sidewall of the case 1 at a position corresponding to the helium charging lever 1505 to secure mechanical strength.
As shown in fig. 1 and 2, the vacuum pumping mechanism 16 is fixed to the rear wall of the housing 1, penetrates the rear wall of the housing 1, and is composed of a flange 1601 and a vacuum pipe 1602. Vacuum tube 1602 is secured to the outside of the rear wall of housing 1 by flange 1601. During operation of the vacuum pipe 1602, air is drawn from the interior of the housing 1 through the flange 1601. At this time, the switching valve of the sealing mechanism 14 is opened, and the evacuation of the interior of the rail 21 to be tested is completed.
As shown in fig. 1 and 2, the helium detecting marking mechanism 17 is fixed below the box 1 and penetrates through the bottom surface of the box 1, and comprises a marking cylinder 1701, a marking connector 1702, a marking needle 1703 and a fixing rod 1704. The marking cylinder 1701 is fixed on the cylinder fixing plate 19 and connected with the marking needle 1703 by the marking connector 1702. The marking needle 1703 passes through the bottom plate 4 of the case 1. Inside the tank 1, the marking needle 1703 passes through the fixing rod 1704 to ensure the stability of the marking needle 1703 during operation, and the marking needle 1703 is used for printing qualified marks on the tested oil rail 21 passing the test.
The process of oil rail helium detection by using the vacuum box of the embodiment comprises the following steps:
step S101, opening the box body.
And S102, grabbing a tested oil rail by using a robot gripper and placing the oil rail into a positioning mechanism of the idle detection device in the box body.
And S103, moving the robot gripper, and rotating the measured oil rail to align and attach the oil spray hole of the measured oil rail and the sealing mechanism. If the box body is provided with a free detection device, the step S102 is skipped.
And step S104, starting the pressing mechanism and fixing the oil rail to be measured.
And step S105, starting a plugging mechanism to plug the two ends of the measured oil rail.
And S106, closing the box door, setting a change-over valve in the sealing mechanism, starting the vacuumizing mechanism, and vacuumizing the box body and the interior of the oil rail to be tested.
And step S107, arranging a switching valve in the sealing mechanism, and filling helium gas into the tested oil rail by using the helium filling mechanism.
Step S108, detecting the helium leakage rate in the box body, wherein if the helium leakage rate reaches the standard, 2 tested oil rails in the box body are all qualified; and if the leakage rate does not reach the standard, marking 2 oil rails to be tested as to-be-checked.
And step S109, starting a helium detection marking mechanism to mark qualified oil rails to be detected.
And step S110, starting the pressing mechanism to release the tested oil rail, opening the box cover and taking out the tested oil rail, and finishing the test.
And aiming at the measured oil rail to be checked, using an oil rail which is calibrated to be qualified to pair with the measured oil rail. And putting the oil rail to be checked and the qualified oil rail into a vacuum box together, and carrying out the test again. If the helium leakage rate reaches the standard in the test, the oil rail to be checked is a qualified oil rail, otherwise, the oil rail is a unqualified oil rail.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention shall fall within the technical scope of the present invention.
Claims (9)
1. A vacuum box for improving the production efficiency of oil rail helium detection comprises a box body and a box cover, and is characterized in that a box body sealing ring is arranged at the combined part of the box body and the box cover; a plurality of sets of detection devices are arranged inside and outside the box body; the detection device comprises a positioning mechanism for determining the position of the detected oil rail during testing, a pressing mechanism for fixing the detected oil rail, plugging mechanisms for plugging two ends of the detected oil rail, a sealing mechanism for sealing an oil injection hole on the side wall of the detected oil rail, a helium filling mechanism for filling helium into the detected oil rail, a vacuumizing mechanism for vacuumizing the interior of the box body and the interior of the detected oil rail and a helium detection marking mechanism for marking a detection result on the detected oil rail;
a bottom plate parallel to the bottom surface of the box body and two vertical plates are arranged in the box body; the vertical plate is parallel to the vertical surface corresponding to the long edge of the box body, is vertically fixed on the bottom plate, and is connected with the opposite vertical plate by virtue of the reinforcing plate parallel to the vertical surface corresponding to the short edge of the box body; a cylinder fixing plate connected through a bridging rod is arranged below the bottom outside the box body;
the positioning mechanism is arranged on the bottom plate; the sealing mechanism is arranged on the vertical plate; the plugging mechanisms are fixed on the left side and the right side of the box body and penetrate through the side wall of the box body; the helium filling mechanisms are fixed on the front side and the rear side of the box body and penetrate through the side wall of the box body; the pressing mechanism and the helium detection marking mechanism are fixed on the air cylinder fixing plate below the box body and penetrate through the bottom surface of the box body to extend into the box body; the vacuumizing mechanism is fixed on the rear wall of the box body and penetrates through the rear wall of the box body.
2. The vacuum box of claim 1, wherein the box cover and the box body are connected by a swivel hinge; the box cover is fixed at one end of the box cover cylinder through a box cover connecting rod, and the other end of the box cover cylinder is fixed on the hinge support; the hinge support is fixed on the bottom surface of the box body through an upright post; when the box body cylinder moves, the box cover connecting rod drives one side of the box cover, so that the box cover rotates by taking the rotating hinge as a pivot, and is combined with or separated from the box body.
3. The vacuum box according to claim 1, wherein the positioning mechanism is composed of a first positioning block and a second positioning block; the shape of the first positioning block for preliminarily positioning the oil rail to be measured is matched with the shape of the bottom surface of the oil rail to be measured, and the first positioning block is fixed on the bottom plate through screws and pins; the second positioning block for accurately positioning the oil rail to be measured is arc-shaped, is attached to the side face of the oil rail to be measured and is fixed on the bottom plate through screws and pins.
4. The vacuum box according to claim 1, wherein the pressing mechanism comprises a pressing cylinder, a pressing connector, a pressing connecting rod, a pressing guide sleeve, a pressing connecting block and a pressing block; the pressing cylinder is fixed on the cylinder fixing plate and is connected with the pressing connecting rod by the pressing connector; the pressing connecting rod sleeved with the pressing guide sleeve penetrates through a bottom plate of the box body and is connected with the pressing connecting block; the pressing connecting block drives the pressing block for pressing the oil rail to be detected to move up and down along with the movement of the pressing cylinder; when the pressing block moves upwards, the pressing block presses and attaches the measured oil rail to the positioning mechanism; when the pressing block moves downwards, the pressing block loosens the measured oil rail.
5. The vacuum box according to claim 1, wherein the plugging mechanism comprises a plugging cylinder, a plugging cylinder fixing plate, a plugging connector, a plugging bridging rod, a plugging guide sleeve seat and a sealing plug; the plugging air cylinder is fixed on the plugging air cylinder fixing plate, and the plugging air cylinder fixing plate is fixed on the outer side of the side wall of the box body through the plugging bridging rod; the sealing plug is fixed on the plugging guide rod, and the plugging guide rod penetrates through the plugging guide sleeve seat to be connected with the plugging cylinder; when the plugging cylinder moves, the sealing plug is driven by the plugging guide rod to reciprocate along the direction determined by the plugging guide rod and the plugging guide sleeve seat.
6. The vacuum box according to claim 1, wherein the sealing mechanism comprises a movable adjusting plate, a sealing fixing plate, a sealing pin sleeve, a sealing pull rod, a sealing spring, a locking head sealing ring and an air charging hole; the movable adjusting plate is connected to the bottom plate through a plurality of equal-height screws sleeved with springs; the sealing pin sleeve is fixed on the vertical plate, and a plurality of sealing springs are arranged at the position of the sealing fixed plate corresponding to the sealing pin sleeve; the sealing pull rod is coaxial with the sealing pin sleeve and is sleeved in the sealing pin sleeve, one end of the sealing pull rod is connected to the sealing fixing plate through the sealing spring, and the other end of the sealing pull rod is connected to the locking head; the locking head is provided with a locking head sealing ring matched with the inner diameter of an oil injection hole on the side wall of the measured oil rail;
after the air is inflated through the air inflation and extraction hole, the sealing pull rod is pushed by air to move backwards, so that the locking head is driven to move backwards, and meanwhile, the sealing spring is compressed; the locking head presses the locking head sealing ring to seal the oil injector hole; after the air is discharged through the air charging and exhausting hole, the sealing spring is reset to push the sealing pull rod to move forwards so as to drive the locking head to move forwards; the locking head releases the locking head sealing ring and opens the oil injector hole.
7. The vacuum chamber of claim 1, wherein the helium charging mechanism comprises a helium charging cylinder, a helium charging cylinder fixing plate, a helium charging connector, a helium charging bridge rod, a helium charging guide sleeve seat and a reinforcing seat; the helium filling cylinder is fixed on the helium filling cylinder fixing plate, and the helium filling cylinder fixing plate is fixed on the outer side of the side wall of the box body through the helium filling bridging rod; the helium filling rod penetrates through the helium filling guide sleeve seat and is connected with the helium filling cylinder; when the helium filling cylinder moves, the helium filling rod reciprocates along the direction determined by the helium filling guide sleeve seat; the reinforcing seat for protecting the helium-filling rod is positioned inside the side wall of the box body and corresponds to the position of the helium-filling rod.
8. The vacuum box according to claim 1, wherein the vacuum-pumping means is constituted by a flange and a vacuum tube; the vacuum tube is fixed on the outer side of the rear wall of the box body through the flange plate.
9. The vacuum box according to claim 1, wherein the helium detection marking mechanism comprises a marking cylinder, a marking connector, a marking needle and a fixing rod; the marking cylinder is fixed on the cylinder fixing plate and is connected with the marking needle by the marking connector; the marking needle penetrates through a bottom plate of the box body, and the fixing rod is sleeved outside the marking needle inside the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022488021.6U CN214092106U (en) | 2020-11-02 | 2020-11-02 | Vacuum box for improving oil rail helium detection production efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022488021.6U CN214092106U (en) | 2020-11-02 | 2020-11-02 | Vacuum box for improving oil rail helium detection production efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214092106U true CN214092106U (en) | 2021-08-31 |
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ID=77446263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022488021.6U Active CN214092106U (en) | 2020-11-02 | 2020-11-02 | Vacuum box for improving oil rail helium detection production efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214092106U (en) |
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2020
- 2020-11-02 CN CN202022488021.6U patent/CN214092106U/en active Active
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Address after: 201112 No. 96, Jiangchao Road, Minhang District, Shanghai Patentee after: Saiwo Zhizao (Shanghai) Technology Co.,Ltd. Address before: No.20196 minchao Road, Pujiang Town, Shanghai Patentee before: SHANGHAI WINKELMANN LONGCHUAN (SWL) MOTORCOMPONENTS Co.,Ltd. |