CN113385553B - Part deformation correction device and use method thereof - Google Patents
Part deformation correction device and use method thereof Download PDFInfo
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- CN113385553B CN113385553B CN202110556790.1A CN202110556790A CN113385553B CN 113385553 B CN113385553 B CN 113385553B CN 202110556790 A CN202110556790 A CN 202110556790A CN 113385553 B CN113385553 B CN 113385553B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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Abstract
The utility model provides a part warp correcting unit, includes one end open-ended casing, set up at the inside correction check subassembly of casing, the cover is established and is being rectified the outside adjusting nut of check subassembly, the one end of rectifying the check subassembly is passed through the inner wall fixed connection of extension spring with the casing, its other end extends to the outside of casing after passing the casing open end, adjusting nut and the coaxial arrangement of casing, the open end normal running fit of its one end and casing, the outer wall threaded connection of its inner wall and correction check subassembly. During correction, the adjusting nut is rotated forwards relative to the shell to enable the correction and verification assembly to retract, then the correction device is placed into the part to be corrected, then the adjusting nut is rotated reversely to enable the correction and verification assembly to extend to two ends of the correction device to be respectively abutted against two sides of the inner wall of the part to be corrected, finally the adjusting nut is rotated reversely until the size of the part to be corrected meets the design requirement, correction is completed, and the device is simple in structure, reliable in operation and high in correction efficiency.
Description
Technical Field
The invention belongs to the technical field of part deformation correction, and particularly relates to a part deformation correction device and a use method thereof, which are suitable for improving the part deformation correction checking efficiency.
Background
In the manufacturing process of precise slender parts, particularly slender groove or shell type welding parts, due to the existence of welding internal stress and poor rigidity during processing, large deformation is easy to generate, and the size of parts cannot meet the design requirement, the slender groove or shell type welding parts need to be corrected for many times, generally, hammering, vice clamping, manual straightening or correction on a press machine is adopted, although the straightening function can be realized, the defects in the aspects of correction and verification efficiency, convenience and the like are still obvious.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a part deformation correcting device with higher correcting and checking efficiency and a using method thereof.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a part warp correcting unit, correcting unit includes one end open-ended casing, sets up at the inside correction check subassembly of casing, the cover establishes the adjusting nut who rectifies the outside of check subassembly, the one end of rectifying the check subassembly is passed through the inner wall fixed connection of extension spring with the casing, rectifies the outside that extends to the casing after the other end of check subassembly passes the open end of casing, adjusting nut and the coaxial arrangement of casing, the open end normal running fit of its one end and casing, the outer wall threaded connection of its inner wall and correction check subassembly.
The correction check assembly comprises an ejector rod, a follow-up set screw, an adjusting block and a follow-up sleeve, wherein the adjusting block and the follow-up sleeve are coaxially arranged with the shell, one end of the adjusting block is matched with one end of the follow-up sleeve, the outer wall of the adjusting block is in threaded connection with the inner wall of an adjusting nut, the A end of the ejector rod is inserted into the interior of the follow-up sleeve and then fixedly connected with the inner wall of the shell through an extension spring, the B end of the ejector rod penetrates through a cavity formed in the adjusting block in the axial direction and then extends to the exterior of the shell, the head of the follow-up set screw is located in the exterior of the shell, the rod portion of the follow-up set screw penetrates through a first open slot formed in the shell and a threaded hole formed in the follow-up sleeve in sequence and then is abutted to the outer wall of the A end, and the inner diameter of the first open slot is larger than the outer diameter of the rod portion of the follow-up set screw.
A spring is sleeved outside the end B, and two ends of the spring are respectively fixedly connected with the end face of the end B and the adjusting block;
the correcting and checking assembly further comprises a guide rail, one end of the guide rail is fixedly connected with the end face of the end B, the other end of the guide rail sequentially penetrates through the spring and the cavity and then extends into the follow-up sleeve, and an indicating needle-dial plate assembly is arranged at the other end of the guide rail.
The indicating needle-dial plate assembly comprises an indicating needle and a dial plate matched with the indicating needle, the dial plate is located inside a second open slot formed in the shell and fixedly connected with the outer wall of the follow-up sleeve, one end of the indicating needle is fixedly connected with one end, located inside the follow-up sleeve, of the guide rail, the other end of the indicating needle penetrates through a third open slot formed in the follow-up sleeve and then extends to the scale of the dial plate, and the width of the second open slot is larger than that of the dial plate.
The inner wall of cavity both sides has all seted up the spout along the regulating block axial, the outer wall of ejector pin both sides all is fixed with the slider with spout matched with, the telescopic inner wall of follow-up is fixed with the gliding sliding block of length direction that can follow the guide rail.
The end face of the opening end of the shell and the end face of one end of the follow-up sleeve are both provided with annular dovetail grooves, and the end face of one end of each of the adjusting nut and the adjusting block is provided with annular bulges matched with the annular dovetail grooves.
The casing is provided with a level gauge, and the level gauge is arranged close to the dial plate.
Correcting unit still includes one end open-ended safety cover, keep away from the one end outer wall threaded connection of casing on the inner wall of safety cover open end and the adjusting nut, the one end of guide rail, B end, spring all are located the inside of safety cover, and guide rail, spring all are through setting up clamp plate and the B end fixed connection on the B end tip.
A method of use of a part distortion correction apparatus, the method of use comprising distortion correction, the distortion correction comprising the steps of, in order:
s1, firstly, rotating the adjusting nut forward relative to the shell to retract the correction and verification assembly, and then placing the correction device into the part to be corrected;
s2, firstly, reversely rotating the adjusting nut to enable the correction and verification assembly to extend to two ends of the correction device to be respectively abutted against two sides of the inner wall of the part to be corrected, then continuously reversely rotating the adjusting nut until the size of the part to be corrected meets the design requirement, and finishing correction.
The correcting and checking assembly comprises an ejector rod, a follow-up set screw, an adjusting block and a follow-up sleeve, wherein the adjusting block and the follow-up sleeve are coaxially arranged with the shell, one end of the adjusting block is matched with one end of the follow-up sleeve, the outer wall of the adjusting block is in threaded connection with the inner wall of an adjusting nut, the A end of the ejector rod is fixedly connected with the inner wall of the shell through a tension spring after being inserted into the follow-up sleeve, the B end of the ejector rod penetrates through a cavity axially formed in the adjusting block and then extends to the outside of the shell, a spring is sleeved outside the B end, two ends of the spring are respectively fixedly connected with the end face of the B end and the adjusting block, the head of the follow-up set screw is positioned outside the shell, the rod part of the follow-up set screw sequentially penetrates through a first open slot formed in the shell and a threaded hole formed in the follow-up sleeve and then is abutted to the outer wall of the A end, and the inner diameter of the rod part of the first open slot is larger than the outer diameter of the follow-up set screw;
the correcting and checking assembly further comprises a guide rail, one end of the guide rail is fixedly connected with the end face of the end B, the other end of the guide rail sequentially penetrates through the spring and the cavity and then extends into the follow-up sleeve, and an indicating needle-dial plate assembly is arranged at the other end of the guide rail;
the using method further comprises correction checking, wherein the correction checking specifically comprises the following steps:
and loosening the follow-up set screw after the correction is finished, if the reading of the pointer-dial plate assembly is the same as the initial reading, the correction is qualified, and if the reading is different from the initial reading, the correction is unqualified, wherein the initial reading is the reading of the pointer-dial plate assembly when the ejector rod, the tension spring and the spring are in a balanced state in the initial state.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a part deformation correcting device which comprises a shell with an opening at one end, a correcting and checking assembly arranged in the shell and an adjusting nut sleeved outside the correcting and checking assembly, wherein one end of the correcting and checking assembly is fixedly connected with the inner wall of the shell through a tension spring, the other end of the correcting and checking assembly passes through the opening end of the shell and then extends to the outside of the shell, the adjusting nut and the shell are coaxially arranged, one end of the adjusting nut is in rotating fit with the opening end of the shell, the inner wall of the adjusting nut is in threaded connection with the outer wall of the correcting and checking assembly, when in deformation correction, the adjusting nut is rotated forwards relative to the shell to enable the correcting and checking assembly to retract, then the correcting device is placed in a part to be corrected, then the adjusting nut is rotated reversely to enable the correcting and checking assembly to extend to the two ends of the correcting device to be respectively abutted against the two sides of the inner wall of the part to be corrected, and finally, the adjusting nut is continuously rotated reversely until the size of the part to be corrected meets the design requirements, the device is simple in structure, reliable in operation and high in correction efficiency, and can effectively improve the production efficiency of parts. Therefore, the invention has simple structure, reliable operation and higher correction efficiency.
2. The invention relates to a correction and calibration component in a part deformation correction device, which comprises a guide rail, an ejector rod, a follow-up set screw, an adjusting block and a follow-up sleeve, wherein the adjusting block and the follow-up sleeve are coaxially arranged with a shell, one end of the adjusting block is matched with one end of the follow-up sleeve, the outer wall of the adjusting block is in threaded connection with the inner wall of an adjusting nut, the A end of the ejector rod is fixedly connected with the inner wall of the shell through a tension spring after being inserted into the follow-up sleeve, the B end of the ejector rod passes through a cavity axially formed on the adjusting block and then extends to the outside of the shell, the outside of the B end is sleeved with a spring, the two ends of the spring are respectively and fixedly connected with the end surface of the B end and the adjusting block, the head of the follow-up set screw is positioned outside the shell, the rod part of the follow-up set screw sequentially passes through a first open slot formed on the shell and a threaded hole formed on the follow-up sleeve and then is abutted against the outer wall of the A end, the inner diameter of the rod part of the first open slot is larger than the outer diameter of the follow-up set screw, one end of the guide rail is fixedly connected with the end face of the end B, the other end of the guide rail sequentially penetrates through the spring and the cavity and then extends into the follow-up sleeve, the other end of the guide rail is provided with a pointer-dial plate assembly, after correction is finished, the follow-up set screw is loosened, if the reading of the pointer-dial plate assembly is the same as the initial reading, correction is qualified, and if the reading is different from the initial reading, correction is unqualified, wherein the initial reading is the reading of the pointer-dial plate assembly when the ejector rod, the tension spring and the spring are in a balanced state in the initial state. Therefore, the invention realizes the integration of part deformation correction and verification, and has higher universality and popularization and application values.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of the calibration and verification assembly in fig. 1.
Fig. 3 is an assembly schematic diagram of the ejector rod and the adjusting block in fig. 1.
Fig. 4 is a schematic structural view of the jack rod in fig. 1.
Fig. 5 is a sectional view of embodiment 2 of the present invention.
In the figure, a shell 1, a first opening groove 11, a second opening groove 12, an annular dovetail groove 13, a correction verification assembly 2, a push rod 21, an A end 211, a B end 212, a sliding block 213, a pressing plate 214, a follow-up set screw 22, an adjusting block 23, a cavity 231, a sliding groove 232, a follow-up sleeve 24, a threaded hole 241, a third opening groove 242, a spring 25, a guide rail 26, a pointer-dial plate assembly 27, a pointer 271, a dial plate 272, a sliding block 28, an adjusting nut 3, an annular bulge 31, a tension spring 4, a level gauge 5 and a protective cover 6.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Referring to fig. 1 to 5, a part warp correcting unit, correcting unit includes one end open-ended casing 1, sets up at casing 1 inside correction check subassembly 2, the cover establishes at the adjusting nut 3 of correcting check subassembly 2 outside, the one end of correcting check subassembly 2 is through the inner wall fixed connection of extension spring 4 with casing 1, and the other end of correcting check subassembly 2 extends to casing 1's outside after passing casing 1's open end, adjusting nut 3 and casing 1 coaxial arrangement, its one end and casing 1's open end normal running fit, its inner wall and the outer wall threaded connection who corrects check subassembly 2.
The calibration and verification assembly 2 comprises an ejector rod 21, a follow-up set screw 22, an adjusting block 23 and a follow-up sleeve 24, wherein the adjusting block 23 and the follow-up sleeve 24 are coaxially arranged with the shell 1, one end of the adjusting block 23 is matched with one end of the follow-up sleeve 24, the outer wall of the adjusting block 23 is in threaded connection with the inner wall of the adjusting nut 3, the end A211 of the ejector rod 21 is fixedly connected with the inner wall of the shell 1 through a tension spring 4 after being inserted into the follow-up sleeve 24, the end B212 of the ejector rod 21 penetrates through a cavity 231 axially formed in the adjusting block 23 and then extends to the outside of the shell 1, the head of the follow-up set screw 22 is positioned at the outside of the shell 1, the rod part of the follow-up set screw passes through a first open slot 11 formed in the shell 1 and a threaded hole 241 formed in the follow-up sleeve 24 in sequence and then abuts against the outer wall of the end A211, and the inner diameter of the first open slot 11 is larger than the outer diameter of the rod part of the follow-up set screw 22.
A spring 25 is sleeved outside the end B212, and two ends of the spring 25 are respectively fixedly connected with the end face of the end B212 and the adjusting block 23;
the calibration and verification assembly 2 further comprises a guide rail 26, one end of the guide rail 26 is fixedly connected with the end face of the end B212, the other end of the guide rail 26 sequentially penetrates through the spring 25 and the cavity 231 and then extends into the follow-up sleeve 24, and the other end of the guide rail 26 is provided with an indicator-dial plate assembly 27.
The pointer-dial plate assembly 27 comprises a pointer 271 and a dial plate 272 matched with the pointer 271, the dial plate 272 is located inside a second opening groove 12 formed in the casing 1 and fixedly connected with the outer wall of the follow-up sleeve 24, one end of the pointer 271 is fixedly connected with one end of the guide rail 26 located inside the follow-up sleeve 24, the other end of the pointer 271 penetrates through a third opening groove 242 formed in the follow-up sleeve 24 and then extends to the scale of the dial plate 272, and the width of the second opening groove 12 is larger than that of the dial plate 272.
The inner walls of the two sides of the cavity 231 are both provided with sliding grooves 232 along the axial direction of the adjusting block 23, the outer walls of the two sides of the ejector rod 21 are both fixed with sliding blocks 213 matched with the sliding grooves 232, and the inner wall of the follow-up sleeve 24 is fixed with a sliding block 28 capable of sliding along the length direction of the guide rail 26.
The end faces of the opening end of the shell 1 and one end of the follow-up sleeve 24 are respectively provided with an annular dovetail groove 13, and the end faces of the adjusting nut 3 and one end of the adjusting block 23 are respectively provided with an annular bulge 31 matched with the annular dovetail grooves 13.
A level 5 is provided on the housing 1, the level 5 being arranged close to the dial 272.
Correcting unit still includes one end open-ended safety cover 6, keep away from the one end outer wall threaded connection of casing 1 on the inner wall of safety cover 6 open end and the adjusting nut 3, the one end of guide rail 26, B end 212, spring 25 all are located the inside of safety cover 6, and guide rail 26, spring 25 all are through setting up clamp plate 214 and the B end 212 tip fixed connection on B end 212 tip.
A method of use of a part distortion correction apparatus, the method of use comprising distortion correction, the distortion correction comprising the steps of, in order:
s1, firstly, rotating the adjusting nut 3 in the forward direction relative to the shell 1 to enable the correction and verification assembly 2 to retract, and then placing the correction device into the part to be corrected;
s2, firstly, reversely rotating the adjusting nut 3 to enable the correcting and checking component 2 to extend to two ends of the correcting device to be respectively abutted against two sides of the inner wall of the part to be corrected, and then continuously reversely rotating the adjusting nut 3 until the size of the part to be corrected meets the design requirement, and finishing the correction.
The correction and verification assembly 2 comprises an ejector rod 21, a follow-up set screw 22, an adjusting block 23 and a follow-up sleeve 24 which are coaxially arranged with the shell 1, one end of the adjusting block 23 is matched with one end of the follow-up sleeve 24, the outer wall of the adjusting block 23 is in threaded connection with the inner wall of the adjusting nut 3, the end A211 of the ejector rod 21 is fixedly connected with the inner wall of the shell 1 through a tension spring 4 after being inserted into the follow-up sleeve 24, the end B212 of the ejector rod 21 penetrates through a cavity 231 axially formed in the adjusting block 23 and then extends to the outside of the shell 1, a spring 25 is sleeved outside the end B, two ends of the spring 25 are respectively and fixedly connected with the end face of the end B and the adjusting block 23, the head of the follow-up set screw 22 is located outside the shell 1, and the rod part of the follow-up set screw 22 sequentially penetrates through a first open slot 11 formed in the shell 1 and a threaded hole 241 formed in the follow-up sleeve 24 and then abuts against the outer wall of the end 211, the inner diameter of the first opening groove 11 is larger than the outer diameter of the rod part of the follow-up set screw 22;
the calibration and verification assembly 2 further comprises a guide rail 26, one end of the guide rail 26 is fixedly connected with the end face of the end B212, the other end of the guide rail 26 sequentially penetrates through the spring 25 and the cavity 231 and then extends into the follow-up sleeve 24, and the other end of the guide rail 26 is provided with an indicator-dial plate assembly 27;
the using method further comprises correction checking, wherein the correction checking specifically comprises the following steps:
and after the correction is finished, the follow-up set screw 22 is loosened, if the reading of the pointer-dial plate assembly 27 is the same as the initial reading, the correction is qualified, and if the reading is not the same, the correction is unqualified, wherein the initial reading is the reading of the pointer-dial plate assembly 27 when the ejector rod 21, the tension spring 4 and the spring 25 are in a balanced state in the initial state.
The principle of the invention is illustrated as follows:
the part deformation correcting device provided by the invention realizes the integration of part correction and verification, not only improves the correction and verification efficiency, effectively improves the part production efficiency and the product quality, but also is simple to operate, practical and reliable;
during correction, the follow-up set screw 22 fixes the ejector rod 21, the adjusting block 23 and the follow-up sleeve 24 together, if the adjusting nut 3 is rotated, the follow-up sleeve 24, the adjusting block 23, the follow-up set screw 22, the ejector rod 21, the guide rail 26 and the pointer-dial plate assembly 27 arranged on the guide rail 26 perform telescopic motion along the axial direction of the shell 1, and the shell 1 cannot rotate along with the rotation of the adjusting nut 3 because one end of the adjusting nut 3 is in running fit with the opening end of the shell 1;
the correction time is generally 24h, the follow-up set screw 22 is slowly loosened after the internal welding stress of the part is released, when the ejector rod 21, the tension spring 4 and the spring 25 are restored to balance, if the reading of the pointer-dial plate assembly 27 is different from the initial reading, the fact that the two ends of the correction device are subjected to the extrusion force of the inner walls at the two sides of the part is shown, namely, the part is deformed again after the internal welding stress is released or influenced by other factors, and the straightness or verticality of the part does not meet the design requirement and needs to be corrected again.
The adjusting nut 3 and the shell 1 in the part deformation correcting device are both designed into two annular structures, and are spliced by screws to be convenient for disassembly and later maintenance, the inner diameter of the first open slot 11 is larger than the outer diameter of the rod part of the follow-up set screw 22, the width of the second open slot 12 is larger than the width of the dial 272, so that the movement space of the follow-up set screw 22 and the dial 272 during correction and verification is ensured, the inner walls of two sides of the cavity 231 are both provided with sliding grooves 232 along the axial direction of the adjusting block 23, and the outer walls of two sides of the ejector rod 21 are both fixed with sliding blocks 213 matched with the sliding grooves 232, so that the ejector rod 21 can only do telescopic movement along the axial direction of the adjusting block 23 and can not rotate.
The level meter 5: the device is used for ensuring that the correcting device is in a horizontal position when in use so as to ensure the accuracy of a correction and verification result.
Pointer-dial assembly 27: the display device is used for displaying the stress condition of two ends of the correcting device, and the larger the difference value of the reading and the initial reading is, the more serious the deformation of the part is.
The pressing plate 214: for fixing the carrier rod 21 and the spring 25.
Example 1:
referring to fig. 1 to 4, a part deformation correction device comprises a casing 1 with an opening at one end, a correction and verification assembly 2, an adjusting nut 3, a tension spring 4 and a level gauge 5, wherein the correction and verification assembly 2 is arranged inside the casing 1 and comprises an ejector rod 21, a follow-up set screw 22, an adjusting block 23, a follow-up sleeve 24, a spring 25, a guide rail 26, an indicator needle-dial plate assembly 27 and a sliding block 28, the indicator needle-dial plate assembly 27 comprises an indicator needle 271 and a dial plate 272 matched with the indicator needle 271, the adjusting nut 3, the ejector rod 21, the adjusting block 23 and the follow-up sleeve 24 are all arranged coaxially with the casing 1, the adjusting nut 3 is sleeved outside the adjusting block 23, the inner wall of the adjusting nut 3 is in threaded connection with the outer wall of the adjusting block 23, annular protrusions 31 are arranged on end faces of one ends of the adjusting nut 3 and the adjusting block 23, an opening end face of the casing 1 is open, and the adjusting block 23 is arranged on the casing 1, The end face of one end of the follow-up sleeve 24 is provided with an annular dovetail groove 13 matched with the annular protrusion 31, the end a 211 of the ejector rod 21 is inserted into the follow-up sleeve 24 and then fixedly connected with the inner wall of the casing 1 through the tension spring 4, the end B212 of the ejector rod 21 passes through a cavity 231 axially arranged on the adjusting block 23 and then extends to the outside of the casing 1, the inner walls of both sides of the cavity 231 are respectively provided with a sliding groove 232 along the axial direction of the adjusting block 23, the outer walls of both sides of the ejector rod 21 are respectively fixed with a sliding block 213 matched with the sliding groove 232, the end face of the end B212 is vertically connected with a pressing plate 214, the spring 25 is sleeved on the outside of the end B212, both ends of the spring are respectively and fixedly connected with the pressing plate 214 and the adjusting block 23, one end of the guide rail 26 is fixedly connected with the pressing plate 214, the other end of the guide rail 26 sequentially passes through the spring 25 and the cavity 231 and then extends to the inside of the follow-up sleeve 24, the dial 272 is positioned inside a No. two open groove 12 arranged on the casing 1 and fixedly connected with the outer wall of the follow-up sleeve 24, the width of the second opening groove 12 is greater than that of the dial 272, one end of the pointer 271 is fixedly connected with one end of the guide rail 26, which is located inside the follow-up sleeve 24, the other end of the pointer 271 penetrates through the third opening groove 242 formed in the follow-up sleeve 24 and then extends to the scale of the dial 272, one end of the sliding block 28 is fixedly connected with the inner wall of the follow-up sleeve 24, the other end of the sliding block 28 can slide along the length direction of the guide rail 26, the head of the follow-up set screw 22 is located outside the casing 1, the rod part of the follow-up set screw 22 sequentially penetrates through the first opening groove 11 formed in the casing 1 and the threaded hole 241 formed in the follow-up sleeve 24 and then abuts against the outer wall of the a end 211, the inner diameter of the first opening groove 11 is greater than the outer diameter of the rod part of the follow-up set screw 22, and the level 5 is arranged on the casing 1 and close to the dial 272;
the use method of the part deformation correction device comprises deformation correction and correction inspection;
the deformation correction is carried out according to the following steps in sequence:
s1, firstly, rotating the adjusting nut 3 in the positive direction relative to the shell 1 to enable the ejector rod 21 to retract, and then placing the correcting device into the groove of the part to be corrected;
s2, firstly, reversely rotating the adjusting nut 3 to enable the ejector rod 21 to extend to one end face of the shell 1, and enabling the pressing plate 214 to be respectively abutted against two sides of the inner wall of the groove of the part to be corrected, and then continuously reversely rotating the adjusting nut 3 until the size of the part to be corrected meets the design requirement, and finishing correction;
the correction check specifically comprises: and after the correction is finished, the follow-up set screw 22 is loosened, if the reading of the dial plate 272 is the same as the initial reading, the correction is qualified, and if the reading is not the same, the correction is unqualified, wherein the initial reading is the reading of the dial plate 272 when the ejector rod 21, the tension spring 4 and the spring 25 are in a balanced state in the initial state.
Example 2:
the difference from example 1 is that:
referring to fig. 5, the correcting device further includes a protective cover 6 with an open end, the inner wall of the open end of the protective cover 6 is in threaded connection with the outer wall of the adjusting nut 3, and one end of the guide rail 26, the end B212, the spring 25 and the pressing plate 213 are all located inside the protective cover 6, so that the protective cover 6 can be detached during operation.
Claims (8)
1. A part deformation correcting device is characterized in that: the correcting device comprises a shell (1) with an opening at one end, a correcting and checking component (2) arranged inside the shell (1), and an adjusting nut (3) sleeved outside the correcting and checking component (2), wherein the adjusting nut (3) is coaxially arranged with the shell (1), one end of the adjusting nut is in running fit with the opening end of the shell (1), the correcting and checking component (2) comprises an ejector rod (21), a follow-up set screw (22), a guide rail (26), an adjusting block (23) and a follow-up sleeve (24) which are coaxially arranged with the shell (1), one end of the adjusting block (23) is matched with one end of the follow-up sleeve (24), the outer wall of the adjusting block (23) is in threaded connection with the inner wall of the adjusting nut (3), the A end (211) of the ejector rod (21) is fixedly connected with the inner wall of the shell (1) through a tension spring (4) after being inserted into the interior of the follow-up sleeve (24), the end B (212) of the ejector rod (21) penetrates through a cavity (231) axially formed in the adjusting block (23) and then extends to the outside of the shell (1), a spring (25) is sleeved outside the end B (212), two ends of the spring (25) are fixedly connected with the end surface of the end B (212) and the adjusting block (23) respectively, the end surface of the end B (212) is further fixedly connected with one end of a guide rail (26), the other end of the guide rail (26) penetrates through the spring (25) and the cavity (231) in sequence and then extends to the inside of the follow-up sleeve (24), an indicator needle-dial plate assembly (27) is arranged at the other end of the guide rail (26), the head of the follow-up set screw (22) is located outside the shell (1), and the rod of the follow-up set screw (22) penetrates through a number of open grooves (11) formed in the shell (1) in sequence and a threaded hole (241) formed in the follow-up sleeve (24) and then abuts against the outer wall of the end A (211), the inner diameter of the first opening groove (11) is larger than the outer diameter of the rod part of the follow-up set screw (22).
2. A part deformation correcting device according to claim 1, wherein: the pointer-dial plate assembly (27) comprises a pointer (271) and a dial plate (272) matched with the pointer (271), the dial plate (272) is located inside a second open slot (12) formed in the shell (1) and fixedly connected with the outer wall of the follow-up sleeve (24), one end of the pointer (271) is fixedly connected with one end of the guide rail (26) inside the follow-up sleeve (24), the other end of the pointer (271) penetrates through a third open slot (242) formed in the follow-up sleeve (24) and then extends to the scale of the dial plate (272), and the width of the second open slot (12) is larger than that of the dial plate (272).
3. A part deformation correcting device according to claim 1 or 2, wherein: the inner wall of cavity (231) both sides has all seted up spout (232) along regulating block (23) axial, the outer wall of ejector pin (21) both sides all is fixed with slider (213) with spout (232) matched with, the inner wall of follow-up sleeve (24) is fixed with gliding slider (28) of length direction that can follow guide rail (26).
4. A part deformation correcting device according to claim 1 or 2, wherein: the casing is characterized in that annular dovetail grooves (13) are formed in the end faces of the opening end of the casing (1) and one end of the follow-up sleeve (24), and annular protrusions (31) matched with the annular dovetail grooves (13) are formed in the end faces of one ends of the adjusting nut (3) and the adjusting block (23).
5. A part deformation correcting device according to claim 2, wherein: the dial indicator is characterized in that a level gauge (5) is arranged on the shell (1), and the level gauge (5) is arranged close to the dial (272).
6. A part deformation correcting device according to claim 1 or 2, wherein: correcting unit still includes one end open-ended safety cover (6), keep away from the one end outer wall threaded connection of casing (1) on the inner wall of safety cover (6) open end and adjusting nut (3), the one end of guide rail (26), B end (212), spring (25) all are located the inside of safety cover (6), and guide rail (26), spring (25) all are through setting up clamp plate (214) and B end (212) end fixed connection on B end (212) tip.
7. A method of using the device for correcting distortion of parts according to claim 1, wherein:
the use method comprises deformation correction, which comprises the following steps in sequence:
s1, firstly, rotating the adjusting nut (3) in the forward direction relative to the shell (1) to enable the correction and verification assembly (2) to retract, and then placing the correction device into the part to be corrected;
s2, firstly reversely rotating the adjusting nut (3) to enable the correction checking component (2) to extend to the two ends of the correcting device to be respectively abutted against the two sides of the inner wall of the part to be corrected, and then continuously reversely rotating the adjusting nut (3) until the size of the part to be corrected meets the design requirement, and finishing correction.
8. The use method of a part deformation correcting device according to claim 7, characterized in that:
the using method further comprises correction checking, wherein the correction checking specifically comprises the following steps:
and after the correction is finished, the follow-up set screw (22) is loosened, if the reading of the pointer-dial plate assembly (27) is the same as the initial reading, the correction is qualified, and if the reading is not the same, the correction is unqualified, wherein the initial reading is the reading of the pointer-dial plate assembly (27) when the ejector rod (21), the tension spring (4) and the spring (25) are in a balance state in the initial state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110556790.1A CN113385553B (en) | 2021-05-21 | 2021-05-21 | Part deformation correction device and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110556790.1A CN113385553B (en) | 2021-05-21 | 2021-05-21 | Part deformation correction device and use method thereof |
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| CN113385553B true CN113385553B (en) | 2022-09-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06142765A (en) * | 1992-10-30 | 1994-05-24 | Ashiba Kogyo:Yugen | Tool for correcting shape or space |
| CN101579708A (en) * | 2009-06-09 | 2009-11-18 | 李保国 | Method foe straightening pendulous railhead on site and hydraulic pressure railhead straightener thereof |
| KR101424629B1 (en) * | 2013-12-24 | 2014-08-04 | 주식회사 케이티엠테크 | Adjustment device spacing and angle of correction rollers for pipe straightener |
| CN111906167A (en) * | 2020-07-16 | 2020-11-10 | 浙江伟联科技股份有限公司 | Screw rod adjusting type correcting device |
| CN112474878B (en) * | 2020-09-22 | 2022-06-14 | 成都飞机工业（集团）有限责任公司 | Constant force pressing device for part deformation correction and part deformation correction method |
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