CN116532911B - Rolling machining device with variable rolling depth - Google Patents
Rolling machining device with variable rolling depth Download PDFInfo
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- CN116532911B CN116532911B CN202310821203.6A CN202310821203A CN116532911B CN 116532911 B CN116532911 B CN 116532911B CN 202310821203 A CN202310821203 A CN 202310821203A CN 116532911 B CN116532911 B CN 116532911B
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- 238000005096 rolling process Methods 0.000 title claims abstract description 68
- 238000003754 machining Methods 0.000 title description 3
- 230000000670 limiting effect Effects 0.000 claims description 24
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 24
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Rolls And Other Rotary Bodies (AREA)
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Abstract
The application belongs to the technical field of other processing of metal, in particular to a rolling processing device with variable rolling depth, which solves the problems in the background technology and comprises a cutter body part and a connecting piece connected to the end part of a cutter handle; the cutter body part comprises a vertical movable rod, an upper bearing seat, a lower bearing seat, three rollers, three supporting blocks, a cylindrical retaining wall and an end cover; the cylinder type retaining wall is provided with three rectangular windows for accommodating rollers; the upper bearing seat, the lower bearing seat and the three supporting blocks are positioned in a cavity surrounded by the cylinder type retaining wall and the bottom wall of the connecting piece; the end cover is connected to the lower end of the cylindrical retaining wall for clamping the upper bearing block, the support block and the lower bearing block between the connecting piece and the end cover. By adjusting the extending distance of the roller and changing the rolling depth, the surface rolling processing of holes with different rolling depth requirements can be realized, and the processing requirement of a cutter facing a series of holes with different diameters can be met; the rolling processing efficiency is improved, and meanwhile, the application range of the rolling device is widened.
Description
Technical Field
The application belongs to the technical field of other processing of metals, relates to rolling processing, and particularly relates to a rolling processing device with variable rolling depth.
Background
The rolling processing technology is one of the most widely used processing technologies in the processing and manufacturing field, however, along with the rapid development of the fields of domestic aerospace, military industry, automobile manufacturing and the like, efficient processing has become an important requirement of manufacturing industry on the processing of parts, so that the improvement and optimization of traditional processing cutters are of great importance, and the updating and upgrading of rolling processing equipment are necessary trends. In the conventional rolling operation, a general rolling device can only perform rolling on the surface of a hole with the same rolling depth requirement, and when the aperture of the hole to be processed is changed, the rolling device needs to be replaced generally, so that resource waste is caused, and how to provide the rolling device capable of simultaneously meeting the processing requirements of a series of holes with different diameters is a problem to be solved.
Disclosure of Invention
The application provides a rolling processing device with variable rolling depth, which aims to solve the technical problem of how to provide a rolling processing device capable of simultaneously meeting the processing requirements of a series of holes with different diameters.
The application discloses a rolling machining device with variable rolling depth, which comprises a cutter body part and a connecting piece fixedly connected to the end part of a cutter handle; the cutter body part comprises a vertical movable rod, an upper bearing seat, a lower bearing seat, three rollers, three supporting blocks, a cylindrical retaining wall and an end cover, wherein a threaded through hole is formed in the axis of the connecting piece; the cylindrical retaining wall is uniformly provided with three rectangular windows which are respectively used for accommodating the rollers along the circumferential direction, the heights of the rectangular windows are matched with the heights of the rollers, the width of the rectangular windows is larger than that of the rollers, the cylindrical retaining wall comprises an inner cylinder body and an outer cylinder body which are coaxially arranged, inserting sheet assemblies with adjustable arc lengths are clamped in the inner cylinder body and the outer cylinder body between the adjacent rectangular windows, limit windows with adjustable widths are formed at the positions of the corresponding rectangular windows at the similar side ends of the adjacent inserting sheet assemblies, the limit windows are clamped with the corresponding rollers, and the maximum width of the limit windows is smaller than the diameter of the rollers; the upper bearing seat, the lower bearing seat and three supporting blocks are positioned in a cavity formed by enclosing a cylindrical retaining wall and a bottom wall of a connecting piece, an avoidance through hole which is coaxial with a vertical movable rod and is used for avoiding a third rod section is formed in the middle of the upper bearing seat and the lower bearing seat, the third rod section can move up and down in the avoidance through hole, the three supporting blocks are positioned between the upper bearing seat and the lower bearing seat, the three supporting blocks are respectively arranged between three rollers, three upper bearings and lower bearings which are respectively corresponding to the positions of three supporting block bodies are respectively arranged on the upper bearing seat and the lower bearing seat, the supporting block bodies are clamped between a group of upper bearings and lower bearings which are corresponding to the positions of the supporting block bodies, the supporting block bodies are fixedly connected with the inner wall of an inner cylinder through horizontal supporting springs, the horizontal supporting springs are positioned on the radial direction of the inner cylinder, the supporting block bodies are integrally formed with tips which are propped against the side wall of the third rod section, the left and right ends of the supporting block bodies are respectively provided with shifting blocks, one of the shifting blocks are obliquely upward, the other shifting blocks are obliquely downward, the shifting blocks positioned at the left and right ends of the supporting block bodies are respectively used for shifting the two rollers at the left and right ends of the supporting block bodies, and the two shifting blocks are respectively used for shifting the two sides of the supporting blocks, and the two shifting blocks are alternately arranged in opposite directions and are obliquely and opposite to the directions to clamp the two positions of the roller blocks; the end cover is detachably connected to the lower end part of the cylindrical retaining wall and used for clamping the upper bearing seat, the supporting block and the lower bearing seat between the connecting piece and the end cover.
The vertical movable rod is rotated to enable the vertical movable rod to move up and down, and then the third rod section is made to move up and down, the third rod section is drum-shaped, the diameter of the upper end and the diameter of the lower end of the third rod section are small, the diameters of the middle of the third rod section are large, the diameters of the third rod section are small, the diameters of the third rod section and the diameters of the supporting sections are small, the diameters of the supporting sections are smooth in the middle of the third rod section, the diameters of the supporting sections are small in the middle of the third rod section, the supporting sections are smooth in the middle of the third rod section, the three supporting sections are clamped and fixed on the same horizontal direction through an upper bearing and a lower bearing, and because the tips on the supporting sections abut against the side wall of the third rod section, when the third rod section moves up and down, the supporting sections can be gradually far away from the central axis of the third rod section or near the central axis of the third rod section, the supporting sections are fixedly connected with the inner cylinder body through a horizontal supporting spring, the supporting sections are integrally formed at the corresponding positions of the inner cylinder sections, the supporting sections can move back and forth along the axial directions of the horizontal supporting springs, the supporting sections are also displaced along with the pulling blocks at the two ends of the supporting sections, when the contact positions of the pulling blocks and the rolling sections of the rolling device are changed, and the rolling down is stressed by the two pulling blocks on the rolling device. The three rollers are respectively positioned at the rectangular window on the cylindrical retaining wall, the height of the rectangular window is slightly higher than that of the rollers, so that the rollers can be limited to move in the up-down direction, the width of the limiting window is adjusted according to the rolling depth requirement, the radial moving depth of the rollers along the cylindrical retaining wall is limited, the limiting window is opened to the maximum and cannot be larger than the diameter of the rollers, and the rollers cannot fall off from the limiting window. The roller is always positioned between the rectangular windows in the moving range along the radial direction of the cylindrical retaining wall, and the roller is always in line contact with the limit window and the stop block of the supporting block. The size of the limiting window can be adjusted by adjusting the arc length of the inserting piece assembly. Through adjusting vertical movable rod axial motion to change the position of supporting shoe, the width of cooperation spacing window simultaneously can adjust the roller along the radial length that stretches out of device, realizes the regulation of roll extrusion degree of depth.
Preferably, the radian of the inserting piece assembly is consistent with that of a cylindrical retaining wall between two corresponding rectangular windows, the inserting piece assembly comprises a left inserting piece and a right inserting piece which are identical in structure, part of plate bodies of the left inserting piece and the right inserting piece are mutually overlapped, meshed saw teeth are arranged on the overlapped parts, and the thickness of one end plate body of the left inserting piece or the right inserting piece, which extends out of the rectangular windows, is gradually reduced along the radian of the plate body from one end of the overlapped part. The tab assembly may also be provided in other conventional configurations. The whole arc length of the inserting sheet assembly is controlled by adjusting the sawtooth meshing number of the left inserting sheet and the right inserting sheet, then the width of the limiting window at the rectangular window is adjusted, the vertical movable rod is matched for movement, the roller can be pushed by adjusting the position of the supporting block, and the roller is clamped with the limiting window to finish the adjustment of the rolling depth.
Preferably, the left inserting sheet or the right inserting sheet in the inserting sheet assembly is fixedly connected with the cylindrical blocking wall, the other inserting sheet is a movable inserting sheet, and the end part of the movable inserting sheet, which protrudes out of the rectangular window, is provided with a scale mark for adjusting the width of the limiting window along the horizontal direction. One of the insert assemblies is fixed, the other insert assembly is movable, the adjustment is convenient, and the scale marks are arranged on the movable insert assembly, so that the three limit windows can be adjusted to the same size conveniently, and the adjustment degree can be intuitively read through the scale marks. During specific adjustment, the end cover is detached, then the movable inserting sheet is taken out from between the inner cylinder body and the outer cylinder body, and after moving to a proper position, the movable inserting sheet is pushed onto the fixed inserting sheet, and the end cover is installed and fixed. The left inserting piece and the right inserting piece are meshed through the saw teeth, so that the left inserting piece and the right inserting piece cannot move left and right, and the roller is stably limited.
Preferably, the handle is provided with a unthreaded hole which is coaxial with and communicated with the threaded through hole, and the top of the first rod section is provided with an inner hexagonal structure groove which is matched with the hexagonal wrench. The lengthened hexagonal wrench stretches into the unthreaded hole of the handle of a knife, and the hexagonal wrench is clamped into the inner hexagonal structure groove, so that the vertical movable rod can be rotationally adjusted, and the supporting block can move along the radial direction of the vertical movable rod.
Preferably, the upper end of the cylindrical retaining wall is surrounded to the lower end of the connecting piece and the upper end of the cylindrical retaining wall and the lower end of the connecting piece are fastened and connected through a plurality of bolts. Specifically, the bolts are uniformly distributed along the circumference of the cylindrical retaining wall.
Preferably, the outer cylinder body of the cylinder type retaining wall is provided with a countersunk head groove which is used for assembling the bolt and faces the inner cylinder body, the head part of the bolt is positioned in the countersunk head groove, and an annular gasket is further arranged between the bottom of the countersunk head groove and the inner cylinder body. The arrangement structure is reasonable.
Preferably, the upper bearing seat and the lower bearing seat are respectively in threaded connection with the inner wall of the inner cylinder body. In order to ensure firm connection between the upper bearing seat and the lower bearing seat, specifically, a person skilled in the art can easily understand that the upper bearing seat and the lower bearing seat are structurally provided with notch grooves for avoiding rollers and shifting blocks.
Compared with the prior art, the technical scheme provided by the application has the following advantages: the application provides a rolling processing device with variable rolling depth, which can realize the rolling processing of the surfaces of holes with different rolling depth requirements by adjusting the extending height of a roller and changing the rolling depth, thereby meeting the processing requirements of a cutter facing a series of holes with different diameters; the rolling device widens the application range of the rolling device while improving the rolling processing efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a cross-sectional view of A-A of a variable depth rolling mill according to the present application;
FIG. 2 is a transverse cross-sectional view of a support block of a variable rolling depth rolling device according to the present application at a rolling depth of 0;
FIG. 3 is a transverse cross-sectional view of a support block of a variable rolling depth rolling apparatus of the present application at maximum rolling depth;
FIG. 4 is a top view of a support block according to the present application;
FIG. 5 is a longitudinal cross-sectional view (cross-sectional view in the direction B-B of FIG. 4) of a support block according to the present application;
FIG. 6 is an isometric view of a cylindrical wall (hidden inner cylinder) according to the present application;
fig. 7 is an enlarged view of the structure at I of fig. 6.
In the figure: 1. a knife handle; 101. a light hole; 2. a vertical movable rod; 201. a first pole segment; 202. a second pole segment; 203. a third pole segment; 3. a bolt; 301. a countersunk head groove; 4. an upper bearing seat; 5. an upper bearing; 6. an outer cylinder; 7. a support block; 701. a tip; 702. a shifting block; 8. an inner cylinder; 9. a horizontal support spring; 10. a lower bearing; 11. a lower bearing seat; 12. an end cap; 13. a roller; 14. a connecting piece; 1401. a threaded through hole; 15. a left inserting piece; 16. a right inserting piece; 17. an annular gasket; 18. a rectangular window; 19. a limiting window; 20. avoiding the through hole; 21. saw teeth, 22, scale marks, 23 and inner hexagonal structure grooves.
Detailed Description
In order that the above objects, features and advantages of the application will be more clearly understood, a further description of the application will be made. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the description, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms described above will be understood by those of ordinary skill in the art as the case may be.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the application.
Specific embodiments of the present application will be described in detail below with reference to fig. 1 to 7.
In one embodiment, as shown in FIG. 1, a variable roll depth roll finishing apparatus is disclosed, comprising a cutter body portion and a connecting member 14 fixedly attached to an end of a shank 1; the cutter body part comprises a vertical movable rod 2, an upper bearing seat 4, a lower bearing seat 11, three rollers 13, three supporting blocks 7, a cylindrical retaining wall and an end cover 12, wherein a threaded through hole 1401 is formed in the axis of a connecting piece 14, the vertical movable rod 2 is coaxial with the threaded through hole 1401 and comprises a first rod section 201, a second rod section 202 and a third rod section 203 from top to bottom, the first rod section 201 is in threaded fit with the threaded through hole 1401, the longitudinal section of the third rod section 203 is drum-shaped, and the upper end part of the cylindrical retaining wall is detachably and fixedly connected to the lower end part of the connecting piece 14; the cylindrical retaining wall is uniformly provided with three rectangular windows 18 for accommodating the rollers 13 along the circumferential direction, the heights of the rectangular windows 18 are matched with the heights of the rollers 13, the width of the rectangular windows 18 is larger than that of the rollers 13, the cylindrical retaining wall comprises an inner cylinder 8 and an outer cylinder 6 which are coaxially arranged, the inner cylinder 8 and the outer cylinder 6 between the adjacent rectangular windows 18 are clamped with inserting sheet assemblies with adjustable arc length, the adjacent side ends of the adjacent inserting sheet assemblies form limit windows 19 with adjustable width at the corresponding rectangular windows 18, the limit windows 19 are clamped with the corresponding rollers 13, and the maximum width of the limit windows 19 is smaller than the diameter of the rollers 13; the upper bearing seat 4, the lower bearing seat 11 and three supporting blocks 7 are positioned in a cavity formed by enclosing a cylindrical retaining wall and the bottom wall of the connecting piece 14, an avoidance through hole 20 which is coaxial with the vertical movable rod 2 and is used for avoiding the third rod section 203 is formed between the upper bearing seat 4 and the lower bearing seat 11, the third rod section 203 can move up and down in the avoidance through hole 20, the three supporting blocks 7 are positioned between the upper bearing seat 4 and the lower bearing seat 11, the three supporting blocks 7 are respectively arranged between three rollers 13, three upper bearings 5 and lower bearings 10 which are respectively corresponding to the positions of three supporting blocks 7 are arranged on the upper bearing seat 4 and the lower bearing seat 11, the supporting blocks 7 are clamped between a group of upper bearings 5 and lower bearings 10 which are corresponding to the positions of the upper bearing blocks, the supporting blocks 7 are fixedly connected with the inner wall of the inner cylinder 8 through a horizontal supporting spring 9, the horizontal supporting spring 9 is positioned on the radial direction of the inner cylinder 8, one of the supporting blocks 7 is integrally formed with a tip end which is abutted to the side wall of the third rod section 203, the left and right ends of the supporting blocks 7 are respectively provided with a poking block 702, one poking block 702 is obliquely upwards, the other poking block 702 is obliquely upwards arranged at the left end and the two sides of the poking block 702 are respectively arranged at the two opposite sides of the poking block 702, and the poking block 702 is used for clamping the two opposite sides of the poking block 13 and is used for clamping the poking the two opposite sides of the poking block 702 respectively; the end cap 12 is detachably connected to the lower end of the cylindrical blocking wall to clamp the upper bearing housing 4, the support block 7 and the lower bearing housing 11 between the connection member 14 and the end cap 12.
In the vertical movable rod 2, the first rod section 201, the second rod section 202 and the third rod section 203 are integrally formed, the outer wall of the first rod section 201 is provided with threads, the second rod section 202 and the third rod section 203 are smooth outer walls, and the second rod section 202 connects the first rod section 201 with the second rod section 203. The vertical movable rod 2 can be rotated to enable the vertical movable rod 2 to move up and down, and further enable the third rod section 203 to move up and down, the third rod section 203 is drum-shaped, the diameters of the upper end and the lower end of the third rod section are smaller, the diameter of the middle of the third rod section 203 is larger, the two ends of the third rod section are smoothly transited to the middle of the third rod section, the body of the three supporting blocks 7 is clamped on the same horizontal direction through the upper bearing and the lower bearing, and as the supporting blocks 7 are abutted to the side wall of the third rod section 203 through the tips 701 on the body of the supporting blocks 7, when the third rod section 203 moves up and down, the supporting blocks 7 gradually move away from the central axis of the third rod section 203 or approach to the central axis of the third rod section 203, the supporting blocks 7 are fixedly connected with the inner cylinder 8 through the horizontal supporting springs 9, particularly, the supports connected with the horizontal supporting springs 9 are integrally formed at the corresponding positions of the inner cylinder 8, along with the rotation of the third rod section 203, the supporting blocks 7 can move back and forth along the axial direction of the horizontal supporting springs 9, the shifting blocks 702 at the two ends of the supporting block 7 are also displaced, when the contact positions of the shifting blocks 702 and the rollers 13 are changed, the pressure applied to the rollers 13 is also changed, because the two shifting blocks 702 at each roller 13 are in opposite inclined directions and are in crossed arrangement, the rollers 13 can be applied with force from two symmetrical angles, the rollers 13 are in line contact with the corresponding two shifting blocks 702, when the supporting block 7 is positioned at the thickest position of the third rod section 203, the rollers 13 are pushed to the outermost position, the rolling depth of the rolling device is the largest, when the supporting block 7 is gradually moved to the thinner position of the third rod section 203, the rollers 13 are gradually retracted under the action of the limiting windows 19, and when the supporting block 7 is positioned at the thinnest position of the third rod section 203, the side walls of the rollers 13 are just flush with the outer walls of the cylindrical retaining walls, and the rolling depth is 0. The three rollers 13 are respectively positioned at the rectangular window 18 on the cylindrical retaining wall, and the height of the rectangular window 18 is slightly higher than that of the rollers 13, so that the rollers 13 can be limited to move up and down, the width of the limiting window 19 is adjusted according to the rolling depth requirement, the radial moving depth of the rollers 13 along the cylindrical retaining wall is limited, the limiting window 19 is opened to the maximum and cannot be larger than the diameter of the rollers 13, and the rollers 13 cannot fall off from the limiting window 19. The roller 13 is always positioned between the rectangular windows 18 in the moving range along the radial direction of the cylindrical retaining wall, and the roller 13 is in line contact with the limit window 19 and the shifting block 702 of the supporting block 7. The size of the limiting window 19 can be adjusted by adjusting the arc length of the insert assembly. The position of the supporting block 7 is changed by adjusting the axial movement of the vertical movable rod 2, and the length of the roller 13 extending out along the radial direction of the device can be adjusted by matching with the width of the limiting window 19, so that the adjustment of the rolling depth is realized.
When the roller type roller is particularly used, the corresponding relation between the protruding depth of the roller 13 from the limiting window 19 and the opening width of the limiting window 19 is obtained through a plurality of groups of tests. When the roller press is used, the size of the limiting window 19 is manually adjusted according to the rolling depth required to be processed, then the third rod section 203 is rotated to push the supporting block 7 to push the roller 13 out to be just matched with the limiting window 19, the third rod section 203 is stopped to rotate, the position adjustment of the roller 13 is finished, and the rolling process can be started. When the rolling depth needs to be changed, the third rod section 203 is manually rotated, the roller 13 and the limiting window 19 are loosened by changing the position of the supporting block 7, and after the size of the limiting window 19 is adjusted in place, the roller 13 is pushed to be just matched with the limiting window 19 through the third rod section 203, so that rolling processing can be started.
Based on the above embodiment, in a preferred embodiment, the radian of the insert assembly is consistent with the radian of the cylindrical blocking wall between the two corresponding rectangular windows 18, the insert assembly comprises a left insert 15 and a right insert 16 which have the same structure, part of the plate bodies of the left insert 15 and the right insert 16 are mutually overlapped, the overlapped parts are provided with engaged saw teeth 21, and the thickness of one end plate body of the left insert 15 or the right insert 16 from one end at the overlapped position to one end plate body protruding out of the rectangular windows 18 is gradually reduced along the radian of the plate body. The tab assembly may also be provided in other conventional configurations. The integral arc length of the insert assembly is controlled by adjusting the meshing number of the saw teeth 21 of the left insert 15 and the right insert 16, then the width of the limit window 19 at the rectangular window 18 is adjusted, the position of the supporting block 7 is adjusted to push the roller 13 in cooperation with the movement of the vertical movable rod 2, and the roller 13 is clamped with the limit window 19, so that the adjustment of the rolling depth is completed.
Based on the above embodiment, in a preferred embodiment, the left insert 15 or the right insert 16 in the insert assembly is fixedly connected with the cylindrical blocking wall, the other insert is a movable insert, and the end portion of the movable insert protruding out of the rectangular window 18 is provided with a scale line 22 for adjusting the width of the limiting window 19 along the horizontal direction. One of the insert assemblies is fixed and the other is movable, so that the adjustment is convenient, and the scale marks 22 are arranged on the movable insert, so that the three limit windows 19 can be adjusted to the same size conveniently, and the adjustment degree can be intuitively read through the scale marks 22. During specific adjustment, the end cover 12 is detached, then the movable inserting sheet is taken out from between the inner cylinder 8 and the outer cylinder 6, and after moving to a proper position, the movable inserting sheet is pushed onto the fixed inserting sheet, and the end cover 12 is installed and fixed. The left insert piece 15 and the right insert piece 16 cannot move left and right because of the engagement of the saw teeth 21, and have a stable limiting effect on the roller 13.
On the basis of the above embodiment, in a preferred embodiment, the shank 1 is provided with a light hole 101 coaxial and communicating with the threaded through hole 1401, and the top of the first rod section 201 is provided with a socket head cap groove 23 adapted to a hexagonal wrench. The lengthened hexagonal wrench stretches into the unthreaded hole 101 at the knife handle 1, and is clamped into the inner hexagonal structure groove 23, so that the vertical movable rod 2 can be rotationally adjusted, and the supporting block 7 can move along the radial direction of the vertical movable rod 2.
On the basis of the above-described embodiments, in a preferred embodiment, the upper end portion of the cylindrical blocking wall is enclosed to the lower end portion of the connecting member 14 and both are fastened by a plurality of bolts 3. In particular, the plurality of bolts 3 are uniformly distributed along the circumference of the cylindrical retaining wall.
On the basis of the above embodiment, in a preferred embodiment, the outer cylinder 6 of the cylindrical retaining wall is provided with a countersunk groove 301 for assembling the bolt 3 and facing the inner cylinder 8, and the head of the bolt 3 is located in the countersunk groove 301, and an annular gasket 17 is further arranged between the bottom of the countersunk groove 301 and the inner cylinder 8. The arrangement structure is reasonable.
On the basis of the above embodiment, in a preferred embodiment, the upper bearing seat 4 and the lower bearing seat 11 are respectively in threaded connection with the inner wall of the inner cylinder 8. In order to ensure that the upper bearing seat 4 and the lower bearing seat 11 are firmly connected, specifically, a notch groove for avoiding the roller 13 and the shifting block 702 is arranged on the structures of the upper bearing seat 4 and the lower bearing seat 11 as will be easily understood by those skilled in the art.
The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Although described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and they should be construed as covering the scope of the appended claims.
Claims (7)
1. A variable rolling depth rolling device, characterized by comprising a cutter body part and a connecting piece (14) fixedly connected to the end of a cutter handle (1); the cutter body part comprises a vertical movable rod (2), an upper bearing seat (4), a lower bearing seat (11), three rollers (13), three supporting blocks (7), a cylindrical retaining wall and an end cover (12), wherein a threaded through hole (1401) is formed in the axis of a connecting piece (14), the vertical movable rod (2) is coaxial with the threaded through hole (1401) and comprises a first rod section (201), a second rod section (202) and a third rod section (203) from top to bottom, the first rod section (201) is in threaded fit with the threaded through hole (1401), the longitudinal section of the third rod section (203) is drum-shaped, and the upper end part of the cylindrical retaining wall is detachably and fixedly connected to the lower end part of the connecting piece (14); the cylindrical retaining wall is uniformly provided with three rectangular windows (18) for accommodating the rollers (13) along the circumferential direction, the heights of the rectangular windows (18) are matched with the heights of the rollers (13), the width of the rectangular windows (18) is larger than that of the rollers (13), the cylindrical retaining wall comprises an inner cylinder body (8) and an outer cylinder body (6) which are coaxially arranged, the inner cylinder body (8) and the outer cylinder body (6) between the adjacent rectangular windows (18) are clamped with inserting sheet assemblies with adjustable arc lengths, the adjacent side ends of the adjacent inserting sheet assemblies form limit windows (19) with adjustable widths at the corresponding rectangular windows (18), the limit windows (19) are clamped with the corresponding rollers (13), and the maximum width of the limit windows (19) is smaller than the diameter of the rollers (13); the upper bearing seat (4), the lower bearing seat (11) and three supporting blocks (7) are arranged in a cavity surrounded by a cylinder type baffle wall and a bottom wall of a connecting piece (14), an avoidance through hole (20) coaxial with a vertical movable rod (2) and used for avoiding a third rod section (203) is arranged between the upper bearing seat (4) and the lower bearing seat (11), the third rod section (203) can move up and down in the avoidance through hole (20), the three supporting blocks (7) are arranged between the upper bearing seat (4) and the lower bearing seat (11) respectively, three upper bearings (5) and lower bearings (10) which correspond to the positions of three supporting blocks (7) are arranged on the upper bearing seat (4) and the lower bearing seat (11) respectively, the supporting blocks (7) are clamped between a group of upper bearings (5) and lower bearings (10) which correspond to the positions of the upper bearings, the supporting blocks (7) are fixedly connected with the inner wall of an inner cylinder body (8) through horizontal supporting springs (9), the horizontal supporting springs (9) are positioned in the upper supporting blocks (7) and the upper ends of the upper supporting blocks (7) are arranged at the upper ends of the upper supporting blocks (701) which are formed in a radial direction, the upper supporting blocks (7) are arranged at the two ends of the upper supporting blocks (701) respectively, the other shifting block is inclined downwards, the shifting blocks positioned at the left end and the right end of the supporting block (7) body are respectively used for shifting the rollers (13) at the two sides of the supporting block (7), and the two shifting blocks at each roller (13) are inclined in opposite directions and are arranged in a crossing manner so as to clamp the rollers (13); the end cover (12) is detachably connected to the lower end part of the cylindrical retaining wall and is used for clamping the upper bearing seat (4), the supporting block (7) and the lower bearing seat (11) between the connecting piece (14) and the end cover (12).
2. A variable depth roll finishing device as claimed in claim 1, characterized in that the curvature of the insert assembly corresponds to the curvature of the cylindrical wall between the two rectangular windows (18) corresponding thereto, the insert assembly comprises a left insert (15) and a right insert (16) of identical construction, part of the plates of the left insert (15) and the right insert (16) are mutually overlapped, and the overlapped part is provided with engaged saw teeth (21), and the thickness of the plate body of the left insert (15) or the right insert (16) gradually decreases along the curvature of the plate body from one end of the overlapped part to one end of the rectangular window (18).
3. A variable depth rolling mill according to claim 2, characterized in that the left insert (15) or the right insert (16) of the insert assembly is fixedly connected to the cylindrical wall, the other insert is a movable insert, and the end of the movable insert protruding out of the rectangular window (18) is provided with graduation marks (22) for adjusting the width of the limiting window (19) in the horizontal direction.
4. A variable rolling depth rolling device according to any one of claims 1-3, characterized in that the shank (1) is provided with a smooth bore (101) coaxial and communicating with the threaded through bore (1401), and the top of the first shank segment (201) is provided with a socket head cap recess (23) adapted to a hexagonal wrench.
5. A variable-depth rolling device according to claim 4, characterized in that the upper end of the cylindrical retaining wall is enclosed to the lower end of the connecting piece (14) and the two are fastened by means of a plurality of bolts (3).
6. The rolling device with variable rolling depth according to claim 5, characterized in that a countersunk head groove (301) for assembling the bolt (3) and facing the inner cylinder (8) is arranged on the outer cylinder (6) of the cylinder type retaining wall, the head part of the bolt (3) is positioned in the countersunk head groove (301), and an annular gasket (17) is further arranged between the bottom of the countersunk head groove (301) and the inner cylinder (8).
7. The rolling device with variable rolling depth according to claim 6, wherein the upper bearing seat (4) and the lower bearing seat (11) are respectively in threaded connection with the inner wall of the inner cylinder body (8).
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| CN202310821203.6A CN116532911B (en) | 2023-07-06 | 2023-07-06 | Rolling machining device with variable rolling depth |
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| CN202310821203.6A CN116532911B (en) | 2023-07-06 | 2023-07-06 | Rolling machining device with variable rolling depth |
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| CN116532911B true CN116532911B (en) | 2023-09-08 |
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