CN213364161U - Airtightness detection device for large-size steel pipe after spinning and closing - Google Patents
Airtightness detection device for large-size steel pipe after spinning and closing Download PDFInfo
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- CN213364161U CN213364161U CN202022642128.1U CN202022642128U CN213364161U CN 213364161 U CN213364161 U CN 213364161U CN 202022642128 U CN202022642128 U CN 202022642128U CN 213364161 U CN213364161 U CN 213364161U
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Abstract
The utility model discloses an airtight detection device after jumbo size steel pipe spinning binding off, including mounting bracket, roller subassembly, baffle mechanism, sealed tight part in top, high-pressure hose and high-pressure system. The utility model provides an airtight detection device after jumbo size steel pipe spinning binding off gets into down one manufacturing procedure after steel pipe spinning binding off before, to binding off the position both head tops carry out airtight detection very necessary, if detect out bottom gas leakage, can carry out the secondary and receive the end, both material saving guarantees that subsequent work is not extravagant, has improved off-the-shelf whole quality again.
Description
Technical Field
The utility model belongs to the technical field of the measurement technique after machining and specifically relates to an airtight detection device behind jumbo size steel pipe spinning binding off.
Background
In the aspects of processing a large-size cylindrical seal head or processing an integrated seal head by using a large-size steel pipe and the like, the spinning closing-in technology has the advantages of good forming quality, high efficiency and the like, so the spinning closing-in technology is more and more widely applied to the military and civil fields, such as the production of aerial vehicle engine shells, high-pressure gas cylinders and the like. However, the top of the closing end enclosure after spinning closing is a difficult point for forming, and small flaws exist in the top, which can affect the quality of the whole finished product. If the product is a high-pressure gas cylinder, gas leakage is generated, and the finished gas cylinder is completely scrapped.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an airtight detection device behind jumbo size steel pipe spinning binding off.
The technical scheme of the utility model is that: an air tightness detection device for a large-size steel pipe after spinning and closing comprises an installation frame, a roller wheel assembly, a baffle mechanism, a sealing and jacking component, a high-pressure hose and a high-pressure system;
the mounting frame comprises a baffle frame and a supporting frame, wherein one end of the supporting frame is provided with the baffle frame, the roller assembly comprises a belt seat bearing, a roller fixing frame and rollers, the roller fixing frame is arranged on the supporting frame and positioned in the middle of the baffle frame, two sides of the roller fixing frame are provided with a plurality of symmetrical belt seat bearings with equal distances, the rollers are arranged on the opposite belt seat bearings, the baffle mechanism comprises an oil cylinder and a baffle plate, the oil cylinder is arranged at the upper end of the baffle frame, a baffle plate is arranged below the oil cylinder, the sealing and jacking component comprises two oil cylinders, a connecting body, a supporting plate, a sleeve flange, a mandril cover, a pressing plate and a polyurethane sealing block, the supporting plate is arranged on two sides of one end of the supporting frame far away from the baffle frame, the connecting body is arranged on the supporting plate, one end of the connecting body is connected with the two oil, the other end of the ejector rod is connected with one end of the ejector rod, the other end of the ejector rod is connected with the polyurethane sealing block and the ejector rod cover through the pressing plate, the tail part of the ejector rod cover is in threaded connection with the high-pressure hose, the high-pressure hose is located in the inner cavity of the ejector rod and is connected with the air vent on the ejector rod, and the high-pressure system is connected with the air vent on the ejector rod.
Preferably, the baffle frame further comprises transverse pull arms, and the transverse pull arms are arranged on two sides of the baffle frame and used for reinforcing fixation.
Preferably, the supporting frame and the baffle frame, and the baffle frame and the transverse pull arm are welded.
Preferably, the device further comprises an adjusting mechanism, the adjusting mechanism comprises a cushion block, a hand wheel, a screw rod and a guide pillar, a fixing plate is arranged on the transverse pull arm above the sealing and jacking component, the hand wheel is arranged on the fixing plate, a threaded rod is arranged on the hand wheel, the lower portion of the threaded rod is connected with the sealing and jacking component, the guide pillar is sleeved in a guide sleeve of the connector, and the cushion block is detachably arranged on the supporting frame and located in the middle of the baffle frame.
Preferably, a piston rod of the oil cylinder is connected with the baffle plate through a T-shaped shaft sleeve and a shaft sleeve and is fixed with the nut through a bolt.
Preferably, the device further comprises a travel switch and an induction block, wherein the travel switch and the induction block are arranged on the supporting frame.
Preferably, the hydraulic system also comprises an electrical system and a hydraulic system, wherein the electrical system mainly controls the hydraulic system, and the hydraulic system is connected with the first oil cylinder and the second oil cylinder.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a get into down one manufacturing procedure behind steel pipe spinning binding off before, to binding off the position both head tops carry out airtight detection very necessary, if detect out bottom gas leakage, can carry out the secondary and receive the end, both material saving guarantees that subsequent work is not extravagant, has improved off-the-shelf whole quality again.
2. The whole mechanism can adjust the height to ensure that the equipment is suitable for products with different diameters, the device has the remarkable characteristics of stable performance, higher automation degree, compact and reasonable structure, accurate test, simple and convenient operation, safety, reliability, low labor intensity, high operation efficiency and the like, is equipment for performing end enclosure airtight test, and can ensure the quality of large-size steel pipes after spinning and closing.
Drawings
FIG. 1 is a schematic structural view of the air tightness detecting device after spinning closing in the present invention;
FIG. 2 is an enlarged view of the area A in FIG. 1;
FIG. 3 is a schematic structural diagram of a top view of the air tightness detecting device after spinning closing in the present invention;
FIG. 4 is a schematic structural view of the left side view of the air tightness detecting device after spinning closing in of the present invention;
fig. 5 is a schematic cross-sectional view of the adjusting mechanism of the present invention;
FIG. 6 is a schematic view of a perspective view of a connector of the present invention
FIG. 7 is a front view of the baffle of the present invention;
fig. 8 is a schematic structural view of a baffle plate in cross section according to the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "front", "back", "left", "right", "up", "down", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description, but not for indicating or implying that the indicated device or element must have a specific direction, and be constructed and operated in a specific direction, and therefore, the present invention is not to be construed as being limited to the present invention.
Referring to fig. 1 to 8, the present invention provides the following technical solutions: an air tightness detection device for a large-size steel pipe after spinning and closing comprises an installation frame 1, a roller wheel assembly 2, a baffle mechanism 3, a sealing and jacking component 4, a high-pressure hose 5 and a high-pressure system 6;
the mounting rack 1 comprises a baffle rack 11 and a supporting frame 12, one end of the supporting frame 12 is provided with the baffle rack 11, the roller wheel assembly 2 comprises a belt seat bearing 21, a roller wheel fixing rack 22 and a roller wheel 23, the roller wheel fixing rack 22 is arranged on the supporting frame 12 and positioned in the middle of the baffle rack 11, two sides of the roller wheel fixing rack 22 are provided with a plurality of equidistant symmetrical belt seat bearings 21, the two opposite belt seat bearings 21 are provided with the roller wheel 23, the baffle mechanism 3 comprises an oil cylinder 31 and a baffle plate 32, the oil cylinder 31 is arranged at the upper end of the baffle rack 11, the baffle plate 32 is arranged below the oil cylinder 31, the sealing and jacking component 4 comprises two oil cylinders 41, a connecting body 42, a supporting plate 43, a sleeve flange 44, a jacking rod 45, a jacking rod cover 46, a pressing plate 47 and a polyurethane sealing block 48, the supporting plate 43 is arranged on two sides of one end of the supporting frame 12 far, one end of a sleeve flange 44 is inserted into the connection and connected with a piston rod of the two oil cylinders 41, the other end of the sleeve flange is connected with one end of the ejector rod 45, the other end of the ejector rod 45 is connected with a polyurethane sealing block 48 and an ejector rod cover 46 through a pressing plate 47, the tail part of the ejector rod cover 46 is in threaded connection with a high-pressure hose 5, the high-pressure hose 5 is located in the inner cavity of the ejector rod 45 and connected with an air vent on the ejector rod 45, and the high-pressure system 6 is connected with.
Further, the device also comprises transverse pull arms 13, wherein the transverse pull arms 13 are arranged on two sides of the baffle frame 11 and used for reinforcing and fixing.
Furthermore, the support frame 12 and the baffle plate frame 11, and the baffle plate frame 11 and the transverse pull arm 13 are welded.
Further, the device also comprises an adjusting mechanism 7, wherein the adjusting mechanism 7 comprises a cushion block 71, a hand wheel 72, a screw rod 73 and a guide pillar 74, a fixing plate is arranged on the transverse pull arm 13 above the sealing and jacking component 4, the hand wheel 72 is arranged on the fixing plate, a threaded rod is arranged on the hand wheel 72, the lower part of the threaded rod is connected with the sealing and jacking component 4, the guide pillar 74 is sleeved in a guide sleeve of the connecting body 42, the cushion block 71 is detachably arranged on the supporting frame 12 and is located in the middle of the baffle plate frame 11, the hand wheel 72 can flexibly rotate through the screw rod 73 to drive the sealing and jacking component 4 to move up and down, the cushion block 71 below the baffle plate 32 is replaced at the same time, the center height of the whole detection device can be changed to adapt to detection of products with different diameters.
Further, a piston rod of an oil cylinder 31 is connected with a sleeve and a baffle 32 through a T-shaped sleeve 33 and is fixed with a nut through a bolt.
Furthermore, the device also comprises a travel switch 81 and a sensing block 82, wherein the travel switch 81 and the sensing block 82 are arranged on the supporting frame 12.
Further, an electrical system 91 is included, and the electrical system 91 is a switch for controlling the lowering of the baffle 32.
Further, the device also comprises an electrical system 91 and a hydraulic system 92, wherein the electrical system 91 mainly controls the hydraulic system 91, the hydraulic system 92 is connected with the first oil cylinder 31 and the second oil cylinder 41, the electrical system 91 adopts a Siemens PLC to control the hydraulic system 92, and the hydraulic system 92 accordingly controls the pushing out and the entering of the first oil cylinder 31 and the second oil cylinder 41.
The utility model discloses a working process:
1. manually conveying a product to be detected 10 (in the figure, 10 is a schematic diagram of the product to be detected after being closed) which is subjected to spinning closing to the front of a baffle plate 32 through a roller 23, pressing a starting button of an electrical system 91, touching a travel switch 81 under the baffle plate 32, enabling a sealing and jacking part 403 to enter, after jacking a sealing position of the product to be detected, enabling an induction block 82 to induce the travel switch 81, increasing the oil pressure to a set value, and tightly sealing the sealing position of the product through a polyurethane sealing block 48;
2. and (3) introducing high-pressure air, starting inflation in the sealed space, increasing the air pressure to a set value, closing air supply, maintaining the pressure for a set time, coating soap liquid on the outer top of the seal, and judging whether leakage occurs or not by observing whether soap bubbles are generated during pressure maintaining. If no soap bubbles are generated, the closing-in is qualified. If soap liquid bubbles are generated, the closing is unqualified, and the product needs secondary closing processing.
3. And (4) releasing high-pressure gas in the sealed space, returning the sealing and jacking component 4, manually returning the detected product on the baffle 32, and entering the next working cycle.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an airtight detection device after spinning close up of jumbo size steel pipe which characterized in that: the device comprises an installation frame, a roller assembly, a baffle mechanism, a sealing and jacking component, a high-pressure hose and a high-pressure system;
the mounting frame comprises a baffle frame and a supporting frame, wherein one end of the supporting frame is provided with the baffle frame, the roller assembly comprises a belt seat bearing, a roller fixing frame and rollers, the roller fixing frame is arranged on the supporting frame and positioned in the middle of the baffle frame, two sides of the roller fixing frame are provided with a plurality of symmetrical belt seat bearings with equal distances, the rollers are arranged on the opposite belt seat bearings, the baffle mechanism comprises an oil cylinder and a baffle plate, the oil cylinder is arranged at the upper end of the baffle frame, a baffle plate is arranged below the oil cylinder, the sealing and jacking component comprises two oil cylinders, a connecting body, a supporting plate, a sleeve flange, a mandril cover, a pressing plate and a polyurethane sealing block, the supporting plate is arranged on two sides of one end of the supporting frame far away from the baffle frame, the connecting body is arranged on the supporting plate, one end of the connecting body is connected with the two oil, the other end of the ejector rod is connected with one end of the ejector rod, the other end of the ejector rod is connected with the polyurethane sealing block and the ejector rod cover through the pressing plate, the tail part of the ejector rod cover is in threaded connection with the high-pressure hose, the high-pressure hose is located in the inner cavity of the ejector rod and is connected with the air vent on the ejector rod, and the high-pressure system is connected with the air vent on the ejector rod.
2. The airtightness detection device after spinning and necking-in of the large-size steel pipe according to claim 1, wherein: the baffle frame is characterized by further comprising transverse pull arms, wherein the transverse pull arms are arranged on two sides of the baffle frame and used for reinforcing and fixing.
3. The airtightness detection device after spinning and necking-in of the large-size steel pipe as claimed in claim 2, wherein: and the supporting frame and the baffle plate frame, and the baffle plate frame and the transverse pull arm are welded.
4. The airtightness detection device after spinning and necking-in of the large-size steel pipe as claimed in claim 2, wherein: the sealing and jacking device is characterized by further comprising an adjusting mechanism, wherein the adjusting mechanism comprises a cushion block, a hand wheel, a screw rod and a guide pillar, a fixing plate is arranged on the transverse pull arm above the sealing and jacking component, the hand wheel is arranged on the fixing plate, a threaded rod is arranged on the hand wheel, the lower portion of the threaded rod is connected with the sealing and jacking component, the guide pillar is sleeved in a guide sleeve of the connector, and the cushion block is detachably arranged on the supporting frame and is located in the middle of the baffle frame.
5. The airtightness detection device after spinning and necking-in of the large-size steel pipe according to claim 1, wherein: and a piston rod of the oil cylinder is connected with the baffle plate through the T-shaped shaft sleeve and the shaft sleeve and is fixed with the nut through a bolt.
6. The airtightness detection device after spinning and necking-in of the large-size steel pipe according to claim 1, wherein: still include travel switch and response piece, travel switch and response piece are located on the braced frame.
7. The airtightness detection device after spinning and necking-in of the large-size steel pipe according to claim 1, wherein: the hydraulic system is mainly used for controlling the hydraulic system, and the hydraulic system is connected with the first oil cylinder and the second oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022642128.1U CN213364161U (en) | 2020-11-16 | 2020-11-16 | Airtightness detection device for large-size steel pipe after spinning and closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022642128.1U CN213364161U (en) | 2020-11-16 | 2020-11-16 | Airtightness detection device for large-size steel pipe after spinning and closing |
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| CN213364161U true CN213364161U (en) | 2021-06-04 |
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| CN202022642128.1U Active CN213364161U (en) | 2020-11-16 | 2020-11-16 | Airtightness detection device for large-size steel pipe after spinning and closing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378593A (en) * | 2020-11-16 | 2021-02-19 | 江南工业集团有限公司 | Air tightness detection device for large-size steel pipe after spinning and closing and operation method thereof |
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2020
- 2020-11-16 CN CN202022642128.1U patent/CN213364161U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378593A (en) * | 2020-11-16 | 2021-02-19 | 江南工业集团有限公司 | Air tightness detection device for large-size steel pipe after spinning and closing and operation method thereof |
| CN112378593B (en) * | 2020-11-16 | 2022-11-22 | 江南工业集团有限公司 | Air tightness detection device for large-size steel pipe after spinning and closing and operation method thereof |
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