CN210412554U - Device for preventing excircle processing deformation of thin-walled tube - Google Patents
Device for preventing excircle processing deformation of thin-walled tube Download PDFInfo
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- CN210412554U CN210412554U CN201921020335.4U CN201921020335U CN210412554U CN 210412554 U CN210412554 U CN 210412554U CN 201921020335 U CN201921020335 U CN 201921020335U CN 210412554 U CN210412554 U CN 210412554U
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Abstract
The utility model relates to a carry out device that prevents thin wall pipe excircle processing deformation of precision finishing to thin wall spare excircle, including installing last supporting sleeve on the circle in the thin wall pipe, with last supporting sleeve corresponding dress lower support cover on the circle in the thin wall pipe, go up supporting sleeve and lower support cover all with by the identical contact of circle contact surface profile in the thin wall pipe, the installation is supported and is supported the support frock between last supporting sleeve and lower support cover, the device that the utilization prevented thin wall pipe excircle processing deformation, realize thin wall spare excircle processing of hole diameter phi 500-phi 800mm, wall thickness 15-20mm, dimensional tolerance (+ 0.15/0), the effective control excircle is oval, the size is out of tolerance, quality problems such as straightness accuracy excessiveness, the quality assurance ability of improvement product processing.
Description
Technical Field
The utility model belongs to the technical field of the excircle processing, especially, relate to a carry out the device that prevents thin wall pipe excircle processing deformation of precision finishing to thin wall spare excircle.
Background
At present, when a workpiece (the wall thickness is more than 40mm) with the excircle diameter of 500-800 mm and the dimensional tolerance (+ 0.15/0) is machined, the dimensional tolerance is generally controlled by adopting machining modes of rough turning, semi-finish turning and finish turning of a lathe, namely, the dimensional tolerance is controlled by controlling the factors such as tool cutting amount, rotating speed, cooling and the like to reduce the abrasion of a tool, and finally, the workpiece is precisely machined and formed on a numerical control lathe. When a workpiece (the wall thickness is more than 40mm) with the excircle diameter of 500-800 mm and the dimensional tolerance (+ 0.15/0) is machined, the strength of the workpiece is high, the influence of cutting force on the deformation of the workpiece is small, and the control of the excircle dimension is basically not influenced. However, when a thin-walled part with an inner hole diameter phi of 500-phi 800mm, a wall thickness of 15-20mm and a dimensional tolerance (+ 0.15/0) is machined on a numerically controlled lathe, the machined product has the quality problems of excircle ellipse, dimension out-of-tolerance, straightness out-of-tolerance and the like due to the fact that the strength of the workpiece is low and the cutting force of the lathe is large, and the workpiece deforms to different degrees in the machining process, so that the control of the excircle dimensional tolerance is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical problem that exists among the prior art and provide a realize that excircle diameter phi 500-phi 800mm, wall thickness 15-20mm, the thin wall spare processing of dimensional tolerance (+ 0.15/0), eliminate the excircle oval, the size overproof, the device that prevents thin wall pipe excircle processing deformation of quality problems such as straightness accuracy overproof, utilize the processing hole diameter phi 500-phi 800mm of lathe, the work piece (the wall thickness is greater than 40mm) processing mode of dimensional tolerance (+ 0.15/0), through the deformation of control work piece, solved the thin wall spare excircle oval of numerical control lathe processing excircle diameter phi 500-phi 800mm, wall thickness 15-20mm, dimensional tolerance (+ 0.15/0), quality problems such as size overproof, straightness accuracy overproof, improve the quality assurance ability of product processing.
The purpose of the utility model is realized like this: a device for preventing the machining deformation of the excircle of a thin-walled tube comprises an upper support sleeve and a lower support sleeve, wherein the upper support sleeve is arranged on the inner circle of the thin-walled tube, the lower support sleeve corresponds to the upper support sleeve and is arranged on the inner circle of the thin-walled tube, the upper support sleeve and the lower support sleeve are in matched contact with the contour of the contact surface of the inner circle of the thin-walled tube to be machined, and a support tool is arranged and supported between the upper support sleeve and the lower.
The upper support sleeve is arranged on the upper semicircle of the inner circle of the thin-walled tube in a semicircular shape, and the lower support sleeve is also arranged on the lower semicircle of the inner circle of the thin-walled tube in a semicircular shape.
The upper support sleeve is arranged on the upper semicircle of the inner circle of the thin-walled tube in a shape smaller than a semicircle, and the lower support sleeve is also arranged on the lower semicircle of the inner circle of the thin-walled tube in a shape smaller than a semicircle.
The support tool is formed by connecting two support rods in a cross mode in a welding mode, one end of each support rod is connected with an adjusting nut through threads in an installing mode, and the support tool is connected with the upper support sleeve and the lower support sleeve in a split mode.
The supporting tool is formed by connecting three supporting rods or more than three supporting rods in a cross mode in a welding mode, one end of each supporting rod is connected with an adjusting nut in a threaded installation mode, and the adjusting nuts are in contact with the inner circle of the thin-walled tube.
The support tool is composed of three support rods welded together at the same center of a 60-degree included angle, and one end of each support rod is connected with an adjusting nut through threads in an installing mode.
The utility model adopts the above technical scheme after will reach following effect: the utility model discloses a make the anti-deformation effectual, go up supporting sleeve and under bracing cover and design and match for excircle and product hole, diameter clearance 1 mm. When the support tool is designed, the adjusting clearance between the support tool and the upper support sleeve and the adjusting clearance between the support tool and the lower support sleeve are not too large, and the adjusting nut has enough supporting force. The number of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe is determined according to the actual machining length of a product, one set of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe is installed at intervals of 1.5m, and each set of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe needs three supporting positions, so that the best effect of preventing the machining deformation of the inner hole of the thin-wall pipe is achieved. Therefore, the utility model discloses utilize the device that prevents thin wall pipe excircle processing deformation, realize the thin wall spare excircle processing of hole diameter phi 500-phi 800mm, wall thickness 15-20mm, dimensional tolerance (+ 0.15/0), quality problems such as the oval, the size discrepancy of effective control excircle, straightness accuracy discrepancy improve the quality assurance ability of product processing. The utility model discloses simple structure, loading and unloading are convenient, low cost, and processingquality is good, the advantage of effect ideal.
Drawings
FIG. 1 is an assembly and machining schematic diagram of a device for preventing machining deformation of an outer circle of a thin-walled tube.
FIG. 2 is an assembled side view of the device for preventing the machining deformation of the outer circle of the thin-walled tube.
Detailed Description
Example 1: as shown in fig. 1 and 2, the device for preventing the machining deformation of the outer circle of the thin-walled tube comprises an upper support sleeve 1 arranged on the inner circle of the thin-walled tube and a lower support sleeve 2 arranged on the inner circle of the thin-walled tube corresponding to the upper support sleeve 1, wherein the upper support sleeve 1 and the lower support sleeve 2 are in matched contact with the contour of the contact surface of the inner circle of the thin-walled tube to be machined, and a support tool 3 is arranged and supported between the upper support sleeve 1 and the lower support sleeve 2.
The upper support sleeve 1 is installed on the upper semicircle of the inner circle of the thin-walled tube in a semicircular shape, and the lower support sleeve 2 is also installed on the lower semicircle of the inner circle of the thin-walled tube in a semicircular shape.
The support tool 3 is formed by connecting two support rods in a cross mode in a welding mode, one end of each support rod is connected with an adjusting nut 4 through threads in an installing mode, and the support tool 3 is connected with the upper support sleeve 1 and the lower support sleeve 2 in a split mode.
The number of the devices for preventing the excircle of the thin-walled tube from being processed and deformed is set according to the actual processing length of a product, one set of the devices for preventing the excircle of the thin-walled tube from being processed and deformed is installed at intervals of 1.5m, and each set of the devices for preventing the excircle of the thin-walled tube from being processed and deformed needs three supporting tools 3 at supporting positions.
Example 2: as shown in fig. 1 and 2, the device for preventing the machining deformation of the outer circle of the thin-walled tube comprises an upper support sleeve 1 arranged on the inner circle of the thin-walled tube and a lower support sleeve 2 arranged on the inner circle of the thin-walled tube corresponding to the upper support sleeve 1, wherein the upper support sleeve 1 and the lower support sleeve 2 are in matched contact with the contour of the contact surface of the inner circle of the thin-walled tube to be machined, and a support tool 3 is arranged and supported between the upper support sleeve 1 and the lower support sleeve 2.
The upper support sleeve 1 can also be arranged on the upper semicircle of the inner circle of the thin-walled tube in a shape smaller than a semicircle, and the lower support sleeve 2 is also arranged on the lower semicircle of the inner circle of the thin-walled tube in a shape smaller than a semicircle.
The support tool 3 is formed by connecting two support rods in a cross mode in a welding mode, one end of each support rod is connected with an adjusting nut 4 through threads in an installing mode, and the support tool 3 is connected with the upper support sleeve 1 and the lower support sleeve 2 in a split mode.
The number of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe is set according to the actual machining length of a product, one set of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe is installed at intervals of 1.5m, and each set of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe needs a supporting tool 3 with three supporting positions, so that the best effect of preventing the machining deformation of the inner hole of the thin-wall pipe is achieved.
Example 3: as shown in fig. 1 and 2, the device for preventing the machining deformation of the outer circle of the thin-walled tube comprises an upper support sleeve 1 arranged on the inner circle of the thin-walled tube and a lower support sleeve 2 arranged on the inner circle of the thin-walled tube corresponding to the upper support sleeve 1, wherein the upper support sleeve 1 and the lower support sleeve 2 are in matched contact with the contour of the contact surface of the inner circle of the thin-walled tube to be machined, and a support tool 3 is arranged and supported between the upper support sleeve 1 and the lower support sleeve 2.
The upper support sleeve 1 is installed on the upper semicircle of the inner circle of the thin-walled tube in a semicircular shape, and the lower support sleeve 2 is also installed on the lower semicircle of the inner circle of the thin-walled tube in a semicircular shape.
The supporting tool 3 is formed by connecting three supporting rods or more than three supporting rods in a cross mode in a welding mode, one end of each supporting rod is connected with an adjusting nut 4 in a threaded installation mode, and the adjusting nuts 4 are in contact with the inner circle of the thin-walled tube.
The number of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe is set according to the actual machining length of a product, one set of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe is installed at intervals of 1.5m, and each set of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe needs a supporting tool 3 with three supporting positions, so that the best effect of preventing the machining deformation of the inner hole of the thin-wall pipe is achieved.
Example 4: as shown in fig. 1 and 2, the device for preventing the machining deformation of the outer circle of the thin-walled tube comprises an upper support sleeve 1 arranged on the inner circle of the thin-walled tube and a lower support sleeve 2 arranged on the inner circle of the thin-walled tube corresponding to the upper support sleeve 1, wherein the upper support sleeve 1 and the lower support sleeve 2 are in matched contact with the contour of the contact surface of the inner circle of the thin-walled tube to be machined, and a support tool 3 is arranged and supported between the upper support sleeve 1 and the lower support sleeve 2.
The upper support sleeve 1 is installed on the upper semicircle of the inner circle of the thin-walled tube in a semicircular shape, and the lower support sleeve 2 is also installed on the lower semicircle of the inner circle of the thin-walled tube in a semicircular shape.
The support tool 3 is composed of three support rods welded together at the same center of a 60-degree included angle, and one end of each support rod is connected with an adjusting nut 4 through threads in an installing mode.
The number of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe is set according to the actual machining length of a product, one set of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe is installed at intervals of 1.5m, and each set of the devices for preventing the machining deformation of the outer circle of the thin-wall pipe needs a supporting tool 3 with three supporting positions, so that the best effect of preventing the machining deformation of the inner hole of the thin-wall pipe is achieved.
Claims (7)
1. The device for preventing the machining deformation of the outer circle of the thin-walled tube comprises an upper supporting sleeve (1) installed on the inner circle of the thin-walled tube and a lower supporting sleeve (2) installed on the inner circle of the thin-walled tube and corresponding to the upper supporting sleeve (1), and is characterized in that the upper supporting sleeve (1) and the lower supporting sleeve (2) are in matched contact with the contour of the contact surface of the inner circle of the thin-walled tube to be machined, and a supporting tool (3) is installed and supported between the upper supporting sleeve (1) and the lower supporting sleeve (2).
2. The device for preventing the excircle processing deformation of the thin-walled tube according to claim 1,
the upper support sleeve (1) is installed on the upper semicircle of the inner circle of the thin-walled tube in a semicircular shape, and the lower support sleeve (2) is also installed on the lower semicircle of the inner circle of the thin-walled tube in a semicircular shape.
3. The device for preventing the excircle processing deformation of the thin-walled tube according to claim 1,
the upper supporting sleeve (1) is arranged on the upper semicircle of the inner circle of the thin-walled tube in a shape smaller than a semicircle, and the lower supporting sleeve (2) is also arranged on the lower semicircle of the inner circle of the thin-walled tube in a shape smaller than a semicircle.
4. The device for preventing the excircle processing deformation of the thin-walled tube according to claim 1, wherein the supporting tool (3) is formed by cross-connecting two supporting rods together in a welding mode, one end of each supporting rod is connected with an adjusting nut (4) through a thread, and the supporting tool (3) is in split connection with the upper supporting sleeve (1) and the lower supporting sleeve (2).
5. The device for preventing the machining deformation of the outer circle of the thin-walled tube according to claim 1, wherein the support tool (3) is formed by connecting three or more support rods in a cross manner in a welding manner, one end of each support rod is connected with an adjusting nut (4) in a threaded manner, and the adjusting nut (4) is in contact with the inner circle of the thin-walled tube.
6. The device for preventing the machining deformation of the outer circle of the thin-walled tube according to claim 1, wherein the number of the devices for preventing the machining deformation of the outer circle of the thin-walled tube is set according to the actual machining length of a product, one set of the devices for preventing the machining deformation of the outer circle of the thin-walled tube is installed at intervals of 1.5m, and each set of the devices for preventing the machining deformation of the outer circle of the thin-walled tube needs three supporting tools (3) at supporting positions.
7. The device for preventing the excircle of the thin-walled tube from deforming in machining according to claim 1, wherein the supporting tool (3) consists of three supporting rods welded together at the same center at an included angle of 60 degrees, and one end of each supporting rod is connected with an adjusting nut (4) through thread installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020335.4U CN210412554U (en) | 2019-07-03 | 2019-07-03 | Device for preventing excircle processing deformation of thin-walled tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020335.4U CN210412554U (en) | 2019-07-03 | 2019-07-03 | Device for preventing excircle processing deformation of thin-walled tube |
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| Publication Number | Publication Date |
|---|---|
| CN210412554U true CN210412554U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921020335.4U Active CN210412554U (en) | 2019-07-03 | 2019-07-03 | Device for preventing excircle processing deformation of thin-walled tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986072A (en) * | 2022-07-06 | 2022-09-02 | 一重集团(黑龙江)重工有限公司 | Metal thin-wall cylinder assembling and welding tool and method |
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2019
- 2019-07-03 CN CN201921020335.4U patent/CN210412554U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986072A (en) * | 2022-07-06 | 2022-09-02 | 一重集团(黑龙江)重工有限公司 | Metal thin-wall cylinder assembling and welding tool and method |
| CN114986072B (en) * | 2022-07-06 | 2023-09-22 | 一重集团(黑龙江)重工有限公司 | Metal thin-wall cylinder assembly welding tool and method |
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