CN214373197U

CN214373197U - Metal pipe airtightness tester

Info

Publication number: CN214373197U
Application number: CN202120320576.1U
Authority: CN
Inventors: 庞浩佳; 庞耀发
Original assignee: Foshan Jinhaobo Tube Co ltd
Current assignee: Foshan Jinhaobo Tube Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-10-08
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a metal pipe airtightness tester, which comprises a workbench, wherein a support frame is fixedly arranged at the bottom of the workbench, a high-pressure detection area is arranged on one side of the front surface of the workbench, a low-pressure detection area is arranged on the other side relative to the high-pressure detection area, driving mechanisms are fixedly arranged on both sides of the high-pressure detection area and the low-pressure detection area, a sealing pressurization pipe sleeve is fixedly arranged at the end part of the driving mechanism on one side of the low-pressure detection area, a pressurization port is arranged at the upper end of the sealing pressurization pipe sleeve, sealing components are fixedly arranged at equal intervals on both sides of the high-pressure detection area and the end part of the driving mechanism on the other side of the low-pressure detection area, and the equipment has high-low pressure dry test by arranging the driving mechanisms, the sealing components and the sealing pressurization pipe sleeve to be matched with each other, the airtightness performance of metal pipes can be simultaneously detected in batches at one time, the equipment automatically goes up to discharge, and the expansion type sealing is changed into expansion type sealing, the problem of sealed glue often rotten is solved, especially utilize the low pressure detection zone can realize the short time slightly revealing sensitive detection effect, filled the blank in this field in China.

Description

Metal pipe airtightness tester

Technical Field

The utility model relates to an automatic change sealing performance technical field of test metal tubular product, more specifically say, relate to a metal tubular product gas tightness tester.

Background

The stainless steel pipe is a hollow long-strip round steel material, and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like of petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like. In addition, since the steel sheet is light in weight when it is bent and has the same torsional strength, it is widely used for manufacturing machine parts and engineering structures. The metal pipe is also commonly used as furniture, kitchen ware and the like, and the air tightness detection is needed after the metal pipe is produced and processed;

at present, the general metal tube test is mainly carried out by taking immersion as a main single test, the speed is low, the efficiency is low, and during the test, two ends of the sealant are easily cut by a tube opening, sometimes the sealant is changed for several times a day and is not scientific enough, so that the efficiency of air tightness detection is seriously influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a metal tubular product gas tightness tester, this equipment have high low pressure dry-type test, disposable ability batch detection tubular metal resonator gas tightness simultaneously, utilize high pressure detection and low pressure detection to cooperate, realize that the dual guarantee of big gas leakage and slight gas leakage detects to greatly shorten conventional check-out time, detectivity is higher, saves time and laborsaving.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A metal pipe airtightness tester comprises a workbench, wherein a support frame is fixedly mounted at the bottom of the workbench, a high-pressure detection area is arranged on one side of the front surface of the workbench, a low-pressure detection area is arranged on the other side of the front surface of the workbench opposite to the high-pressure detection area, driving mechanisms are fixedly mounted on two sides of the high-pressure detection area and the low-pressure detection area respectively, a sealing pressurization pipe sleeve is fixedly mounted at the end part of the driving mechanism on one side of the low-pressure detection area, a pressurization port is arranged at the upper end of the sealing pressurization pipe sleeve, sealing components are fixedly mounted on two sides of the high-pressure detection area and the end part of the driving mechanism on the other side of the low-pressure detection area at equal intervals, a transmission mechanism is movably mounted on the outer surface of the workbench, a feeding frame is arranged on the side edge of the workbench, a material receiving frame is arranged on the other side edge of the feeding frame, a material receiving groove is formed in the middle of the upper end of the material receiving frame, low pressure detection zone (4) for the opposite side of pressurization pipe box (13) is equipped with the water column tester, the water column tester is linked together through the sealed tubular product of test tube and low pressure detection zone, workstation one side electricity is connected with the control electronic box.

Further, drive mechanism includes the drive belt body, drive belt body transmission is connected in the middle of the workstation surface, equidistant fixed mounting has the baffle on drive belt body surface, the tangent plane shape of baffle is L shape, the inboard fixed mounting of baffle has the dog, the tangent plane shape of dog is fan-shaped.

Further, actuating mechanism includes the mounting bracket, mounting bracket fixed mounting is in the both sides of workstation, the inboard fixed mounting of mounting bracket has locating component, locating component sets up in the both ends of high pressure detection area and low pressure detection area, the inside movable mounting in the mounting bracket outside has the mounting panel, fixed mounting has drive actuating cylinder in the middle of the mounting panel outside, the inboard and the sealing component outside fixed connection of mounting panel in the mounting bracket of workstation left side, the inboard and the outside end fixed connection of sealed pressurization pipe box in the mounting bracket of workstation right side.

Further, locating component includes the crossbeam, crossbeam fixed mounting is inboard in the mounting bracket, the equal fixed mounting in crossbeam top both ends has electric putter, the electric putter tip runs through crossbeam fixed mounting and has the locating plate, the draw-in groove has been seted up to the equidistant of locating plate bottom, the position of draw-in groove is corresponding with the position of seal assembly output.

Furthermore, the tangent plane shape of draw-in groove is triangle-shaped, locating plate openly both sides fixed mounting have the guide rail, the inside sliding connection of guide rail has the slider, the outside and the mounting bracket fixed connection of slider.

Furthermore, the shapes of the cross sections of the sliding block and the guide rail are convex, and the surface of the sliding block is adhered with a wear-resistant gasket.

Further, the sealing assembly comprises a sealing cylinder, the sealing cylinder is fixedly installed on the inner side of the installation plate at equal intervals, a sealing rubber sleeve is sleeved on the outer side of the output end of the sealing cylinder, a limiting bolt is fixedly installed at the end part of the output end of the sealing cylinder, and the position of the output end of the sealing cylinder corresponds to the position of the clamping groove.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through setting up actuating mechanism, seal assembly and sealed pressurization pipe box and mutually supporting for this equipment has high low pressure dry-type test, and disposable while can detect detects the tubular metal resonator gas tightness in batches, goes up the blanking automatically, and it is sealed to expand the formula to change into to seal, has solved the problem of often rotten sealed glue, has still increased the low pressure test function of slightly leaking to tubular metal resonator. Detect through high-pressure detection zone and can once only select the more serious tubular product of gas leakage, and further cooperate the low pressure detection zone, utilize the mode of low pressure cooperation water column tester, can detect the tubular product of tiny gas leakage in the short time, because the reaction of water column tester is fairly sensitive, only need very little pressure, in case tubular product has small gas leakage phenomenon, can stand immediately, follow water column dynamic change and observe and obtain, in a possible implementation, can also cooperate the water column tester to increase alarm device, as long as the water column drops below the safety height, can send the warning, it has gas leakage to confirm this corresponds tubular product, it is unqualified to detect. Adopt high-pressure detection to rush into a large amount of atmospheric pressures for the slight gas leakage of conventionality to need the detection latency of reaching several hours, the utility model discloses a low pressure detection mode is very big shortens check-out time, improves production detection efficiency and saves artifically, and can avoid the high-pressure huge sound when detecting the gassing.

(2) Through setting up drive mechanism for when using, can place the tubular metal resonator on the feeding frame, feeding frame top is owing to setting up to the inclined plane this moment, makes the tubular metal resonator roll to drive belt body in the drive mechanism on, owing to set up baffle and dog and carry out the fixed to the tubular metal resonator this moment, and then through the removal of drive belt body, drives the tubular metal resonator transmission on the workstation, and then has realized the automation mechanized operation of equipment.

(3) Through setting up mutually supporting of locating component and actuating mechanism, make when using, when drive mechanism removes the tubular metal resonator to the workstation upper end, can start locating component this moment, make the electric putter of crossbeam upper end promote the locating plate, make the fixed tubular metal resonator of draw-in groove of locating plate bottom, this moment because the position of draw-in groove corresponds with seal assembly output and sealed pressurization pipe box, make the tubular metal resonator be led fixedly, and then restart actuating mechanism, make the actuating cylinder that drives of mounting panel in the mounting bracket start, drive seal assembly and sealed pressurization pipe box and move the both ends of joint tubular metal resonator to the inboard, and then make this equipment detect the stability improvement of gas tightness, and then improved the machining efficiency and the accuracy nature of this equipment effectively.

(4) By arranging the sealing component and the pressurizing pipe sleeve to be matched, when the electric box is used, a controller in the electric box can be controlled to control equipment, at the moment, the transmission mechanism and the driving mechanism are matched with each other to drive and clamp the equipment to be fixed, when a pipe moves to a low-pressure detection area, the sealing cylinder in the sealing component can be started to contract, at the moment, the limit bolt at the end part of the sealing cylinder is limited, so that the limit bolt presses the sealing rubber sleeve to contract, the sealing rubber sleeve expands due to the contraction of the sealing rubber sleeve, so that one end of the metal pipe is sealed, at the moment, the other end of the metal pipe is sleeved in the sealing pressurizing pipe sleeve, an external pressurizing device is connected through a pressurizing port at the top of the sealing pressurizing pipe sleeve, at the moment, pressurization can be carried out in the sealing pressurizing pipe sleeve, after the set pressure is reached, the metal pipe is pressurized, when the metal pipe leaks air, water column tester reports to the police this moment, thereby comparatively convenient detects, the efficiency that the gas tightness detected has been improved effectively, when metal tubular product removed the high pressure detection zone time, seal through seal assembly in the tubular product of both ends this moment, the inside sealing performance of high pressure and then welding seam when can measuring tubular product high pressure of rethread tubular product, through setting up the feeding frame, connect the work or material rest and connect the silo, make can mutually support with external equipment when using, make metal tubular product fall to the check out test set from the feeding frame, when detecting the back and continue to fall to connect the work or material rest connect the silo in, and then realized the automatic detection operation of this equipment, the detection efficiency and the practicality of this equipment have been improved effectively.

Drawings

Fig. 1 is a schematic top view of the structure of the present invention;

FIG. 2 is a schematic view of a table surface cutting mechanism of the present invention;

fig. 3 is a schematic structural view of the sealing assembly of the present invention;

fig. 4 is a side view of the positioning assembly of the present invention.

The reference numbers in the figures illustrate:

1. a work table; 2. a support frame; 3. a high pressure detection zone; 4. a low pressure detection zone; 5. a drive mechanism; 51. a mounting frame; 52. a positioning assembly; 521. a cross beam; 522. an electric push rod; 523. positioning a plate; 524. a card slot; 525. a guide rail; 526. a slider; 53. mounting a plate; 54. a driving cylinder; 6. a transmission mechanism; 61. a drive belt body; 62. a baffle plate; 63. a stopper; 7. a seal assembly; 71. sealing the cylinder; 72. sealing the rubber sleeve; 73. a limit bolt; 8. a material receiving frame; 9. a material receiving groove; 10. a water column tester; 11. controlling an electric box; 12. a feeding frame; 13. sealing the pressurizing pipe sleeve; 14. a pressure port.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, a metal pipe airtightness tester comprises a workbench 1, a support frame 2 is fixedly mounted at the bottom of the workbench 1, a high-pressure detection area 3 is arranged on one side of the front surface of the workbench 1, a low-pressure detection area 4 is arranged on the other side of the front surface of the workbench 1 opposite to the high-pressure detection area 3, driving mechanisms 5 are fixedly mounted on both sides of the high-pressure detection area 3 and the low-pressure detection area 4, a sealing pressurization pipe sleeve 13 is fixedly mounted on the end portion of the driving mechanism 5 on one side of the low-pressure detection area 4, a pressurization port 14 is arranged at the upper end of the sealing pressurization pipe sleeve 13, and sealing assemblies 7 are fixedly mounted on both sides of the high-pressure detection area 3 and the end portion of the driving mechanism 5 on the other side of the low-pressure detection area 4 at equal intervals, and when the tester is specifically implemented, the pressurization pipe sleeve and the sealing assemblies 7 can be arranged into ten groups, twenty groups and the number is set based on actual use requirements, the outer surface of the workbench 1 is movably provided with a transmission mechanism 6, the side edge of the workbench 1 is provided with a feeding frame 12, the other side edge of the workbench 1 opposite to the feeding frame 12 is provided with a material receiving frame 8, the middle of the upper end of the material receiving frame 8 is provided with a material receiving groove 9, the other side of the low-pressure detection area 4 opposite to the pressurizing pipe sleeve 13 is provided with a water column tester 10, the water column tester 10 is communicated with a pipe of the low-pressure detection area 4, and the right side of a driving mechanism 5 on the right side of the upper end of the workbench 1 is provided with a control electronic box 11;

this scheme is mutually supported through setting up actuating mechanism 5, seal assembly 7 and sealed pipe box 13 that pressurizes for this equipment has high low pressure dry-type test, and the disposable function that can detect the tubular metal resonator in batches simultaneously goes up the blanking, and it is sealed to expand the formula to change into to seal, has solved the problem of often rotten sealed glue, has still increased the low pressure test function to the slight leakage of tubular metal resonator. Detect through high-pressure detection zone and can once only select the more serious tubular product of gas leakage, and further cooperate the low pressure detection zone, utilize the mode of low pressure cooperation water column tester, can detect the tubular product of tiny gas leakage in the short time, because the reaction of water column tester is fairly sensitive, only need very little pressure, in case tubular product has small gas leakage phenomenon, can stand immediately, follow water column dynamic change and observe and obtain, in a possible implementation, can also cooperate the water column tester to increase alarm device, as long as the water column drops below the safety height, can send the warning, it has gas leakage to confirm this corresponds tubular product, it is unqualified to detect. Adopt high-pressure detection to rush into a large amount of atmospheric pressures for the slight gas leakage of conventionality to need the detection latency of reaching several hours, the utility model discloses a low pressure detection mode is very big shortens check-out time, improves production detection efficiency and saves artifically, and can avoid the high-pressure huge sound when detecting the gassing.

Referring to fig. 2, the transmission mechanism 6 includes a belt body 61, the belt body 61 is connected to the outer surface of the worktable 1 in a transmission manner, a baffle plate 62 is fixedly installed in the middle of the outer surface of the belt body 61 and at the two ends at equal intervals, the cross section of the baffle plate 62 is L-shaped, a stop block 63 is fixedly installed on the inner side of the baffle plate 62, and the cross section of the stop block 63 is fan-shaped; through setting up drive mechanism 6 for when using, can place the tubular metal resonator on feeding frame 12, feeding frame 12 top is owing to setting up to the inclined plane this moment, makes the tubular metal resonator roll to drive belt body 61 in drive mechanism 6 on, owing to set up baffle 62 and dog 63 and carry out the fixed to the tubular metal resonator this moment, and then through the removal of drive belt body 61, drives the tubular metal resonator and transmits on workstation 1, and then has realized the automation mechanized operation of equipment.

Referring to fig. 1, 3 and 4, the driving mechanism 5 includes a mounting frame 51, the mounting frame 51 is fixedly mounted at two sides of the workbench 1, a positioning assembly 52 is fixedly mounted at an inner side of the mounting frame 51, the positioning assembly 52 is disposed at two ends of the high pressure detection area 3 and the low pressure detection area 4, a mounting plate 53 is movably mounted inside an outer side of the mounting frame 51, a driving cylinder 54 is fixedly mounted in the middle of the outer side of the mounting plate 53, an inner side of the mounting plate 53 in the mounting frame 51 at the left side of the workbench 1 is fixedly connected with an outer side of the sealing assembly 7, an inner side of the mounting plate 53 in the mounting frame 51 at the right side of the workbench 1 is fixedly connected with an outer side end of the sealing pressure sleeve 13, the positioning assembly 52 includes a cross beam 521, the cross beam 521 is fixedly mounted at the inner side of the mounting frame 51, electric push rods 522 are fixedly mounted at two ends of a top of the cross beam 521, a positioning plate 523 is fixedly mounted at an end of the electric push rods 522 penetrating through the cross beam 521, clamping grooves 524 are formed in the bottom of the positioning plate 523 at equal intervals, the positions of the clamping grooves 524 correspond to the positions of the output ends of the sealing assembly 7, the sealing assembly 7 comprises a sealing cylinder 71, the sealing cylinder 71 is fixedly installed on the inner side of the installation plate 53 at equal intervals, a sealing rubber sleeve 72 is sleeved on the outer side of the output end of the sealing cylinder 71, a limiting bolt 73 is fixedly installed at the end part of the output end of the sealing cylinder 71, and the positions of the output ends of the sealing cylinder 71 correspond to the positions of the clamping grooves 524; through the mutual matching of the positioning component 52 and the driving mechanism 5, when the metal pipe is moved to the upper end of the workbench 1 by the transmission mechanism 6 in use, the positioning component 52 can be started at the moment, the electric push rod 522 at the upper end of the cross beam 521 pushes the positioning plate 523, the metal pipe is fixed by the clamping groove 524 at the bottom of the positioning plate 523, at the moment, the metal pipe is guided and fixed due to the fact that the position of the clamping groove 524 corresponds to the output end of the sealing component 7 and the sealing pressurizing pipe sleeve 13, and then the driving mechanism 5 is started again, the driving cylinder 54 of the mounting plate 53 in the mounting frame 51 is started, the sealing component 7 and the sealing pressurizing pipe sleeve 13 are driven to move inwards to clamp the two ends of the metal pipe, the stability of the air tightness detection of the equipment is improved, the processing efficiency and the accuracy of the equipment are effectively improved, and through the matching of the sealing component 7 and the pressurizing pipe sleeve, when the device is used, a controller in the electric box 11 can be controlled to control the device, the transmission mechanism 6 and the driving mechanism 5 are matched with each other to drive and clamp the device to be fixed, when the pipe moves to the low-pressure detection area 4, the sealing cylinder 71 in the sealing assembly 7 can be started to contract, at the moment, the limiting bolt 73 at the end part of the sealing cylinder 71 is limited, the limiting bolt 73 presses the sealing rubber sleeve 72 to contract, the sealing rubber sleeve 72 expands due to the contraction of the sealing rubber sleeve 72, so that one end of the metal pipe is sealed, the other end of the metal pipe is sleeved inside the sealing pressurizing pipe sleeve 13, the pressurizing port 14 at the top of the sealing pressurizing pipe sleeve 13 is connected with an external pressurizing device, at the moment, the sealing pressurizing pipe sleeve 13 can be pressurized, the pressure can be stably maintained after the set pressure is reached, the metal pipe is pressurized, when the metal pipe leaks, water column tester 10 reports to the police this moment, thereby comparatively convenient detects, the efficiency that the gas tightness detected has been improved effectively, when metal tubular product removed high pressure detection zone 3, seal through seal assembly 7 in the tubular product of both ends this moment, the inside sealing performance of welding seam when beating high pressure and then can measuring tubular product high pressure of rethread tubular product, through setting up feeding frame 12, connect work or material rest 8 and connect silo 9, make and to mutually support with external equipment when using, make metal tubular product fall to the check out test set from feeding frame 12, after detecting and continue to fall to connect work or material rest 8 connect silo 9 in, and then realized the automated inspection operation of this equipment, the detection efficiency and the practicality of this equipment have been improved effectively.

Referring to fig. 1 and 4, the sectional shape of the clamping groove 524 is a triangle, guide rails 525 are fixedly mounted on two sides of the front surface of the positioning plate 523, a sliding block 526 is slidably connected inside the guide rails 525, the outer side of the sliding block 526 is fixedly connected with the mounting frame 51, the sectional shapes of the sliding block 526 and the guide rails 525 are both convex, and wear-resistant gaskets are adhered to the surface of the sliding block 526; make joint stainless steel pipe more stable through the draw-in groove 524 that sets up triangle-shaped, through setting up slider 526 and guide rail 525 for slider 526 slides in guide rail 525 is inside, and then drives the locating plate 523 at electric putter 522 and remove more steadily, has improved the stability that this equipment detected, can improve slider 526 at the inside gliding life of spout through setting up wear-resisting gasket.

Referring to fig. 1-4, the use principle and advantages, the present scheme makes the equipment have high and low pressure dry test by arranging the driving mechanism 5, the sealing component 7 and the sealing pressurizing pipe sleeve 13 to cooperate with each other, the function of batch detection of the metal pipe at one time can be realized, the material can be automatically discharged, the sealing is changed into expanding sealing, the problem of frequent rotten sealing glue is solved, the low pressure test function of slight leakage of the metal pipe is also added, the pipe with serious air leakage can be selected at one time by the detection of the high pressure detection area, and the low pressure detection area is further matched, the mode of matching the water column tester with low pressure can be utilized, the pipe with tiny air leakage can be detected in short time, because the reaction of the water column tester is sensitive, only very small pressure is needed, once the pipe has tiny air leakage phenomenon, the pipe can be observed from the dynamic change of the water column, in a possible implementation mode, can also cooperate the water column tester to increase alarm device, as long as the water column drops below the safe height, can send the warning, confirm that this corresponds tubular product and have gas leakage, detect nonconforming. Adopt high-pressure detection to rush into a large amount of atmospheric pressures for the slight gas leakage of conventionality to need the detection latency of reaching several hours, the utility model discloses a low pressure detection mode is very big shortens check-out time, improves production detection efficiency and saves artifically, and can avoid the high-pressure huge sound when detecting the gassing.

By arranging the transmission mechanism 6, when in use, the metal pipe can be placed on the feeding frame 12, at the moment, the top of the feeding frame 12 is arranged to be an inclined plane, so that the metal pipe rolls on the transmission belt body 61 in the transmission mechanism 6, at the moment, the metal pipe is fixed by arranging the baffle plate 62 and the stop block 63, and then the transmission belt body 61 moves to drive the metal pipe to transmit on the workbench 1, so that the automatic operation of the equipment is realized, by arranging the positioning component 52 and the driving mechanism 5 to be matched with each other, when in use, when the transmission mechanism 6 moves the metal pipe to the upper end of the workbench 1, the positioning component 52 can be started at the moment, so that the electric push rod 522 at the upper end of the cross beam 521 pushes the positioning plate 523, so that the metal pipe is fixed by the clamping groove 524 at the bottom of the positioning plate 523, at the moment, because the position of the clamping groove 524 corresponds to the output end of the sealing component 7 and the sealing and pressurizing pipe sleeve 13, so that the metal pipe is guided and fixed, and then the driving mechanism 5 is restarted, so that the driving cylinder 54 of the mounting plate 53 in the mounting frame 51 is started to drive the sealing component 7 and the sealing pressurizing pipe sleeve 13 to move inwards and clamp the two ends of the metal pipe, and further the stability of the air tightness detection of the equipment is improved, and further the processing efficiency and the accuracy of the equipment are effectively improved, through the arrangement of the sealing component 7 and the pressurizing pipe sleeve, when the equipment is used, the controller in the electric box 11 can be controlled to operate and control the equipment, at the moment, the transmission mechanism 6 and the driving mechanism 5 are mutually matched to carry out transmission clamping and fixing on the equipment, when the pipe moves to the low-pressure detection area 4, the sealing cylinder 71 in the sealing component 7 can be started to shrink, at the moment, because the limiting bolt 73 at the end part of the sealing cylinder 71 is limited, the limiting bolt 73 presses the sealing rubber sleeve 72 to shrink, because the sealing rubber sleeve 72 contracts, the sealing rubber sleeve 72 expands, one end of the metal pipe is sealed, the other end of the metal pipe is sleeved inside the sealing pressurizing pipe sleeve 13 at the moment, the pressurizing port 14 at the top of the sealing pressurizing pipe sleeve 13 is connected with an external pressurizing device, the sealing pressurizing pipe sleeve 13 can be pressurized at the moment, the pressure is stably maintained after the set pressure is reached, and the metal pipe is pressurized, when the metal pipe leaks air, the water column tester 10 gives an alarm at the moment, so that the detection is convenient and fast, the efficiency of air tightness detection is effectively improved, when the metal pipe moves to a high-pressure detection area 3, the sealing performance of a welding seam at high pressure of the pipe can be measured through sealing of pipe inner sealing components 7 at two ends at the moment and then the high pressure is applied inside the pipe, and the sealing performance of the welding seam at high pressure can be measured by arranging the feeding frame 12, the material receiving frame 8 and the material receiving groove 9, make metal tubular product from feeding frame 12 on the check out test set, after detecting and continue to fall to connect the work or material rest 8 connect the silo 9 in, and then realized the automatic detection operation of this equipment, improved the detection efficiency and the practicality of this equipment effectively.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a metal tubular product gas tightness tester, includes workstation (1), its characterized in that: the utility model discloses a material feeding device, including workstation (1), high pressure detection area (3), low pressure detection area (4), high pressure detection area (3) and the equal fixed mounting in both sides of low pressure detection area (4), the tip fixed mounting of low pressure detection area (4) one side actuating mechanism (5) has sealed pressurization pipe box (13), sealed pressurization pipe box (13) upper end is equipped with pressurization mouth (14), the equal interval fixed mounting in tip of high pressure detection area (3) both sides and low pressure detection area (4) opposite side actuating mechanism (5) has seal assembly (7), workstation (1) surface movable mounting has drive mechanism (6), the side of workstation (1) is equipped with feeding frame (12), workstation (1) for the opposite side limit of feeding frame (12) is equipped with connects work or material rest (8), connect and seted up in the middle of work or material rest (8) upper end and connect silo (9), low pressure detection area (4) for the opposite side of pressurization pipe box (13) is equipped with water column tester (10), water column tester (10) with the tubular product in low pressure detection area communicates with each other, workstation (1) one side electricity is connected with control electronic box (11).

2. The metal pipe airtightness tester according to claim 1, wherein: drive mechanism (6) are including drive belt body (61), drive belt body (61) transmission is connected in workstation (1) surface, drive belt body (61) surface centre and the equal interval fixed mounting in both ends have baffle (62), the tangent plane shape of baffle (62) is the L shape, baffle (62) inboard fixed mounting has dog (63), the tangent plane shape of dog (63) is fan-shaped.

3. The metal pipe airtightness tester according to claim 1, wherein: actuating mechanism (5) include mounting bracket (51), mounting bracket (51) fixed mounting is in the both sides of workstation (1), mounting bracket (51) inboard fixed mounting has locating component (52), locating component (52) set up in the both ends of high pressure detection area (3) and low pressure detection area (4), the inside movable mounting in mounting bracket (51) outside has mounting panel (53), fixed mounting has driving cylinder (54) in the middle of mounting panel (53) outside, mounting panel (53) inboard and sealing component (7) outside fixed connection in workstation (1) left side mounting bracket (51), mounting panel (53) inboard and sealed pressure pipe box (13) outside end fixed connection in workstation (1) right side mounting bracket (51).

4. The metal pipe airtightness tester according to claim 3, wherein: locating component (52) include crossbeam (521), crossbeam (521) fixed mounting is inboard in mounting bracket (51), the equal fixed mounting in crossbeam (521) top both ends has electric putter (522), electric putter (522) tip runs through crossbeam (521) fixed mounting has locating plate (523), draw-in groove (524) have been seted up to locating plate (523) bottom equidistant, the position of draw-in groove (524) is corresponding with the position of seal assembly (7) output.

5. The metal pipe airtightness tester according to claim 4, wherein: the tangent plane shape of draw-in groove (524) is triangle-shaped, locating plate (523) openly both sides fixed mounting have guide rail (525), the inside sliding connection of guide rail (525) has slider (526), the outside and mounting bracket (51) fixed connection of slider (526).

6. The metal pipe airtightness tester according to claim 5, wherein: the shapes of the sections of the sliding block (526) and the guide rail (525) are convex, and a wear-resistant gasket is stuck on the surface of the sliding block (526).

7. The metal pipe airtightness tester according to claim 4, wherein: seal assembly (7) are including sealed cylinder (71), equidistant fixed mounting in the inboard of mounting panel (53) of sealed cylinder (71), sealed rubber sleeve (72) have been cup jointed in sealed cylinder (71) output outside, the output tip fixed mounting of sealed cylinder (71) has stop bolt (73), the position of the output of sealed cylinder (71) corresponds with the position of draw-in groove (524).