CN111843496B - Square hole turning-based device and method - Google Patents

Square hole turning-based device and method Download PDF

Info

Publication number
CN111843496B
CN111843496B CN202010756368.6A CN202010756368A CN111843496B CN 111843496 B CN111843496 B CN 111843496B CN 202010756368 A CN202010756368 A CN 202010756368A CN 111843496 B CN111843496 B CN 111843496B
Authority
CN
China
Prior art keywords
square
milling cutter
hole
rod
connecting sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010756368.6A
Other languages
Chinese (zh)
Other versions
CN111843496A (en
Inventor
葛文军
张纯
张善文
张燕军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou University
Original Assignee
Yangzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangzhou University filed Critical Yangzhou University
Priority to CN202010756368.6A priority Critical patent/CN111843496B/en
Publication of CN111843496A publication Critical patent/CN111843496A/en
Application granted granted Critical
Publication of CN111843496B publication Critical patent/CN111843496B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Milling Processes (AREA)

Abstract

The invention relates to a square hole turning-based device and a method thereof, wherein the square hole turning-based device comprises a fixed rod, a floating rod, a coupling sleeve and a milling cutter; the fixed rod is a cylinder, the right end of the fixed rod is provided with a cone, and the taper of the cone is matched with the taper of a taper sleeve of the lathe tailstock; a square groove is formed in the middle of the left end of the fixing rod along the axial lead direction, one side of the square groove extends to the left end of the fixing rod, an arc-shaped groove is formed in the bottom of the square groove, the diameter of the arc-shaped groove is larger than the width of the square groove, and a blocking block is arranged in the square groove; a square boss is arranged at the right end of the floating rod, and a spherical body is arranged at the tail end of the square boss; the connecting sleeve is in a bottle cap shape, 4 connecting threaded holes are evenly distributed on the circumference of the connecting sleeve, and a through square hole is processed in the center of the end face of the connecting sleeve. The cone at the right end of the fixed rod is connected with a lathe tailstock taper sleeve in a matching mode, the other end of the fixed rod and one end of the floating rod are connected with the square boss in a matching mode through the square groove, and the milling cutter is installed in the installation square hole at the other end of the floating rod. The invention has the advantages of low cost, simple installation and convenient use.

Description

Square hole turning-based device and method
Technical Field
The invention relates to a square hole turning-based device and a square hole turning-based method, and belongs to the technical field of turning.
Background
The processing based on the common lathe can only process the workpiece in the shape of a rotary body, so that only the inner hole of a cylinder can be processed, if a square inner hole, particularly a square blind hole, needs a special processing means, has high processing difficulty and high cost, and particularly cannot be processed in non-batch processing from the cost perspective. Aiming at the phenomenon, the device capable of processing the square inner hole on the common lathe is provided.
Disclosure of Invention
The invention aims to solve the existing problems and provides a device and a method for machining square holes based on turning.
The invention aims to realize the purpose, and the square hole turning device is characterized by comprising a fixed rod, a floating rod, a connecting sleeve and a milling cutter;
the fixed rod is a cylinder, a cone is arranged at the right end of the fixed rod, and the taper of the cone is matched with that of a taper sleeve of a lathe tailstock; a square groove is formed in the middle of the left end of the fixing rod along the axial lead direction, one side of the square groove extends to the left end of the fixing rod, an arc-shaped groove is formed in the bottom of the square groove, the diameter of the arc-shaped groove is larger than the width of the square groove, 2 threaded holes are formed in the position, which is half of the radius of the fixing rod and perpendicular to the square groove, along the axial direction, a blocking block is arranged in the square groove, the shape of the blocking block is matched with that of the square groove, 2 positioning grooves are formed in the blocking block, and the positions of the 2 positioning grooves are matched with the 2 threaded holes;
the right end of the floating rod is provided with a square boss, the tail end of the square boss is provided with a spherical body, the diameter of the spherical body is larger than the side length of the square boss, a mounting square hole is formed in the direction of the central axis of the left end of the floating rod, and a fastening threaded hole is formed in the radial direction of the mounting square hole; the mounting square hole at the left end of the floating rod is matched with the shape and size of a cutter handle of the milling cutter;
the connecting sleeve is in a bottle cap shape, 4 connecting threaded holes are evenly distributed on the circumference of the connecting sleeve, and a through square hole is processed in the center of the end face of the connecting sleeve.
The lathe tailstock taper sleeve is connected with the taper body at the right end of the fixed rod in a matched mode, the other end of the fixed rod is connected with one end of the floating rod in a matched mode through the square groove and the square boss, and the milling cutter is installed in the installation square hole at the other end of the floating rod.
The size of the inner hole of the connecting sleeve is matched with the size of the outer circle of the part of the square hole to be processed, and the size of the through square hole is matched with the size of the square hole to be processed.
The square boss and the spherical body at the right end of the floating rod are matched with the square groove and the arc-shaped groove at the left end of the fixed rod in shape, and the side length of the square boss at the right end of the floating rod is 2mm smaller than the width of the square groove at the left end of the fixed rod.
The milling cutter is a flat-bottom countersink milling cutter with three straight edges, the shape of a cutter handle of the milling cutter is matched with the installation square hole of the floating rod, and the hardness of the milling cutter is greater than that of the connecting sleeve.
A use method based on a turning square hole device is characterized by comprising the following steps:
matching and matching a square boss at the right end of the floating rod with a square groove at the left end of the fixed rod, matching the spherical body with the arc-shaped groove, matching and corresponding 2 threaded holes in the fixed rod with 2 positioning grooves in the blocking block through bolts, and spinning bolts on the corresponding threaded holes and positioning grooves to fix the blocking block in the square groove, wherein a distance of 2mm is reserved between the inner edge of the blocking block and the square boss;
matching the taper of the cone at the right end of the fixed rod with the taper sleeve of the lathe tailstock to ensure that the cone is fixed on the lathe tailstock;
the diameter of the selected milling cutter is equal to the side length of a square hole to be processed, a cutter handle of the milling cutter is installed in an installation square hole at the left end of the floating rod and is fastened by screwing a fastening bolt in a fastening threaded hole, and the cutter handle of the milling cutter is tightly clamped by the fastening bolt;
clamping a part blank needing to be processed into a square hole on a lathe fixture, starting a machine tool to turn and machine the end face of the blank to be processed flat and then shut down;
matching and matching an inner hole of a connecting sleeve with an excircle of a part to be processed with a square hole to enable the end face of a part blank to abut against the bottom of the inner hole of the connecting sleeve, matching a connecting sleeve bolt with a connecting threaded hole, screwing the connecting sleeve bolt in the connecting threaded hole and clamping the part in the inner hole of the connecting sleeve, and connecting and fixing the connecting sleeve to the part to be processed;
pushing to enable the lathe tailstock to approach to the part, enabling the milling cutter to approach to the part, and then locking the lathe tailstock;
shaking a hand wheel of the lathe tailstock to enable a taper sleeve of the lathe tailstock to slowly extend out, and enabling a milling cutter to penetrate through a through square hole of a connecting sleeve;
starting the lathe, and slowly shaking a hand wheel of a lathe tailstock to enable the milling cutter to move in a feeding mode;
under the action of the rotary motion of a lathe, the limit of the through square hole and the milling cutter with three straight edges, the milling cutter processes the required square hole in the axis direction of the part;
the milling cutter is fed and moved to the required depth, and at the moment, the machining is finished; reversely shaking a hand wheel of a lathe tailstock to enable the milling cutter to return to the starting point and then shut down;
and (4) dismounting the connecting sleeve matched with the excircle of the part in a matching way, and finishing the square hole machining operation of the part.
The device and the method for machining the square hole on the basis of turning provided by the invention realize the breakthrough of the machining range of the lathe, greatly reduce the cost of non-batch square inner hole machining, are suitable for parts with the cross section in the shape of a cylinder, a hexagon, a square and other regular shapes, and are particularly suitable for parts made of plastic materials or nonferrous metals. The invention has low cost, simple installation and convenient use, and is a very practical technology.
Drawings
FIG. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1.
Fig. 3 is a front view of the fixing rod of the present invention.
FIG. 4 is a schematic sectional view of B-B in FIG. 3.
FIG. 5 is a top view of the fixing rod of the present invention.
FIG. 6 is a front view of the floating rod of the present invention.
FIG. 7 is a schematic cross-sectional view of C-C of FIG. 6.
Fig. 8 is a front view schematically showing the coupling sleeve of the present invention.
Fig. 9 is a left side view schematically showing the coupling sleeve of the present invention.
In the figure, 1 milling cutter, 2 mounting square holes, 3 fastening threaded holes, 4 floating rods, 5 square bosses, 6 threaded holes, 7 positioning grooves, 8 blocks, 8-1 inner edges of the blocks, 9 square grooves, 10 circular arc grooves, 11 spherical bodies, 12 fixing rods, 13 cones, 14 connecting sleeve inner holes, 15 connecting sleeves, 16 penetrating square holes and 17 connecting threaded holes.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
A square hole turning device is characterized by comprising a fixed rod 12, a floating rod 4, a connecting sleeve 15 and a milling cutter 1.
The fixed rod 12 is a cylinder, the right end of the fixed rod 12 is provided with a cone 13, and the taper of the cone 13 is matched with the taper of a taper sleeve of a lathe tailstock; a square groove 9 is formed in the middle of the left end of the fixing rod 12 along the axial lead direction, one side of the square groove 9 extends to the left end of the fixing rod (one side of the square groove 9 extends to the excircle of the left end of the fixing rod 12 along the radius direction), an arc groove 10 is formed in the bottom of the square groove 9, the diameter of the arc groove 10 is larger than the width of the square groove 9, 2 threaded holes 6 are formed in the position, half the radius of the fixing rod 12 and perpendicular to the square groove 9, along the axial direction, a blocking block 8 is arranged in the square groove 9, the shape of the blocking block 8 is matched with that of the square groove 9, 2 positioning grooves 7 are formed in the blocking block 8, and the positions of the 2 positioning grooves 7 are matched with the 2 threaded holes 6; a square boss 5 is arranged at the right end of the floating rod 4, a spherical body 11 is arranged at the tail end of the square boss 5, the diameter of the spherical body 11 is larger than the side length of the square boss 5, a mounting square hole 2 is arranged in the direction of the central axis of the left end of the floating rod 4, and a fastening threaded hole 3 is radially arranged in the mounting square hole 2; the mounting square hole 2 at the left end of the floating rod 4 is matched with the shape and size of a tool shank of the milling tool 1; the connecting sleeve 15 is in a bottle cap shape, 4 connecting threaded holes 17 are evenly distributed on the circumference of the connecting sleeve 15, and a through square hole 16 is processed in the center of the end face of the connecting sleeve 17.
The cone 13 at the right end of the fixed rod 12 is connected with a lathe tailstock taper sleeve in a matching mode, the other end of the fixed rod 12 and one end of the floating rod 4 are connected with the square boss 5 in a matching mode through the square groove 9, and the milling cutter 1 is installed in the installation square hole 2 at the other end of the floating rod 4. The size of the inner hole of the connecting sleeve 17 is matched with the size of the excircle of the part of the square hole to be processed, and the size of the through square hole 16 is matched with the size of the square hole to be processed. The square boss 5 and the spherical body 11 at the right end of the floating rod 4 are matched with the square groove 9 and the arc groove 10 at the left end of the fixed rod 12 in shape, and the side length of the square boss 5 at the right end of the floating rod 4 is 2mm smaller than the width of the square groove 9 at the left end of the fixed rod 12.
The milling cutter 1 is a flat-bottom countersink milling cutter with three straight edges, the shape of a cutter handle of the milling cutter 1 is matched with that of a mounting square hole 2 of the floating rod 4, and the hardness of the milling cutter 1 is greater than that of the connecting sleeve 15.
The use method of the device based on turning square holes comprises the following steps:
the square boss 5 at the right end of the floating rod 4 is matched with the square groove 9 at the left end of the fixed rod 12, the spherical body 11 is matched with the arc-shaped groove 10, 2 threaded holes 6 on the fixed rod 12 are matched and corresponding to 2 positioning grooves 7 on the blocking block 8 through bolts, bolts are screwed on the corresponding threaded holes 6 and the corresponding positioning grooves 7, the bolts are screwed on the corresponding threaded holes 6 and are matched and fastened in the positioning grooves 7, the blocking block 8 is fixed in the square groove 9, and a 2mm distance is reserved between the inner side 8-1 of the blocking block 8 and the square boss 5.
Matching the taper 13 at the right end of the fixed rod 12 with the taper of a taper sleeve of a lathe tailstock to ensure that the taper sleeve is fixed on the lathe tailstock;
the diameter of the selected milling cutter 1 is equal to the side length of a square hole to be processed, a cutter handle of the milling cutter 1 is installed in an installation square hole 2 at the left end of a floating rod 4 and is fastened through a fastening bolt screwed in a fastening threaded hole 3, and the cutter handle of the milling cutter 1 is tightly clamped by the fastening bolt;
clamping a part blank needing to be processed into a square hole on a lathe fixture, starting a machine tool to turn and machine the end face of the blank to be processed flat and then shut down;
matching and matching the inner hole 14 of the connecting sleeve 15 with the excircle of a part needing to be processed into a square hole until the part abuts against the bottom of the inner hole 14 of the connecting sleeve, matching the connecting sleeve with the connecting threaded hole 17 through a connecting sleeve bolt, screwing the connecting sleeve bolt in the connecting threaded hole 17 and clamping the part in the inner hole 14 of the connecting sleeve, and connecting and fixing the connecting sleeve 15 to the part needing to be processed;
pushing to enable the lathe tailstock to approach to the part, enabling the milling cutter 1 to approach to the part, and then locking the lathe tailstock;
shaking a hand wheel of the lathe tailstock to enable a taper sleeve of the lathe tailstock to slowly extend out, and enabling the milling cutter 1 to penetrate through a through square hole 16 of a connecting sleeve 15;
starting the lathe, and slowly shaking a hand wheel of a lathe tailstock to enable the milling cutter 1 to move in a feeding mode;
under the action of the rotary motion of a lathe, the limit of the through square hole 16 and the milling cutter 1 with three straight edges, the milling cutter 1 processes a required square hole in the axial direction of the part;
the milling tool 1 is fed to move to the required depth, at which point the machining is completed; reversely shaking a hand wheel of a lathe tailstock to enable the milling cutter 1 to return to the starting point and then shut down;
and (4) detaching the coupling sleeve 15 matched with the excircle of the part in a matching way, and finishing the square hole machining operation of the part.
As shown in fig. 1 and 2, a square hole turning device comprises a fixed rod 12, a floating rod 4 and a coupling sleeve 15; the cone 13 of the one end of the fixed rod 12 is connected with the taper sleeve of the lathe tailstock in a matching mode, the other end of the fixed rod 12 is connected with one end of the floating rod 4 in a matching mode through the square groove 9 and the square boss 5, and the other end of the floating rod 4 is provided with the square mounting hole 2 for mounting the milling cutter 1.
As shown in fig. 3, 4 and 5, the fixing rod 12 is a cylinder, the right end of the fixing rod is provided with a cone 13, the taper of the cone is matched with the taper of a lathe tailstock taper sleeve, the middle position of the left end of the fixing rod 12 is provided with a square groove 9 along the axial lead direction, one side of the square groove 9 extends to the left end of the fixing rod 12, the bottom of the square groove 9 is provided with an arc-shaped groove 10, the diameter of the arc-shaped groove 10 is larger than the width of the square groove 9, 2 threaded holes 6 are respectively arranged at the position which is half of the radius of the fixing rod 12 and is vertical to the square groove 9 along the axial direction, a blocking block 8 is arranged in the square groove 9, the shape of the blocking block 8 is matched with the square groove 9, 2 positioning grooves 7 are arranged on the blocking block 8, and the positions of the 2 positioning grooves 7 are matched with the 2 threaded holes 6;
as shown in fig. 6 and 7, a square boss 5 is arranged at the right end of the floating rod 4, the tail end of the square boss 5 is in a spherical shape 11, the diameter of the spherical shape 11 is larger than the side length of the square boss 5, a mounting square hole 2 is arranged in the direction of the central axis of the left end of the floating rod 4, and a fastening threaded hole 3 is radially arranged in the mounting square hole 2; the mounting square hole 2 at the left end of the floating rod 4 is matched with the shape and size of a tool shank of the milling tool 1;
as shown in fig. 8 and 9, the connecting sleeve 15 is in a bottle cap shape, 4 connecting threaded holes 17 are equally distributed on the circumference of the connecting sleeve, the size of an inner hole 14 of the connecting sleeve is matched with the size of an excircle of a part of a square hole to be processed, a through square hole 16 is processed in the center of the end face of the connecting sleeve 15, and the size of the through square hole 16 is matched with the size of the square hole to be processed.
The square boss 5 and the spherical shape 11 at the right end of the floating rod 4 are matched with the square groove 9 and the arc groove 10 at the left end of the fixed rod 12 in shape, and the side length of the square boss 5 at the right end of the floating rod 4 is 2mm smaller than the width of the square groove 9 at the left end of the fixed rod 12;
the milling cutter 1 is a flat-bottom countersink milling cutter with three straight edges, the shape of the cutter handle is matched with the installation square hole 2 of the floating rod 4, and the hardness of the milling cutter 1 is slightly greater than that of the connecting sleeve 15.
The method based on the square hole turning device is realized as follows:
firstly, a square boss 5 at the right end of a floating rod 4 is matched with a square groove 9 at the left end of a fixed rod 12, a spherical ball 11 is matched with an arc groove 10, two threaded holes 6 on the fixed rod 12 are matched with two positioning grooves 7 on a block 8 through bolts, as shown in figure 2, the inner edge 8-1 of the block is separated from the square boss 5 by 2mm, and then the block is fastened.
And secondly, matching the taper 13 at the right end of the fixed rod 12 with the taper of a taper sleeve of the lathe tailstock to fix the taper sleeve on the tailstock.
Thirdly, the diameter of the selected milling cutter 1 is equal to the side length of the square hole to be processed, a cutter handle of the milling cutter 1 is installed in the installation square hole 2 at the left end of the floating rod 4 and is fastened through the fastening threaded hole 3.
And fourthly, clamping a part blank needing to be processed with the square hole and a lathe fixture, starting a machine tool to turn and machine the end face of the blank to be processed flatly, and then turning off the machine tool.
And fifthly, matching and matching the inner hole 14 of the connecting sleeve with the excircle of the part needing to be processed with the square hole until the excircle is pressed against the bottom of the inner hole 14 of the connecting sleeve, and connecting and fixing the connecting sleeve 15 with the part needing to be processed by matching a bolt with a connecting threaded hole 17.
And sixthly, pushing the lathe tailstock to approach the part, enabling the milling cutter 1 to approach the part, and then locking the lathe tailstock.
And seventhly, shaking a hand wheel of the lathe tailstock to slowly extend the taper sleeve of the lathe tailstock, and enabling the milling cutter to penetrate through the through square hole of the connecting sleeve.
And step eight, starting the lathe, and slowly shaking a hand wheel of the lathe tailstock to enable the milling cutter 1 to move in a feeding mode.
And ninthly, processing the required square hole in the axial direction of the part by the milling cutter 1 under the rotating motion of the lathe, the limit of the square hole 16 and the action of the milling cutter 1 with three straight edges.
Tenth step, the milling cutter is fed and moved to the required depth, and at the moment, the machining is finished; reversely shaking a hand wheel of a lathe tailstock to enable the milling cutter to return to the starting point and then shut down;
and step eleven, detaching the connecting sleeve 15 matched with the excircle of the part in a matching way, and finishing the square hole machining of the part.

Claims (5)

1. A square hole turning-based device is characterized by comprising a fixed rod (12), a floating rod (4), a connecting sleeve (15) and a milling cutter (1);
the fixed rod (12) is a cylinder, a cone (13) is arranged at the right end of the fixed rod (12), and the taper of the cone (13) is matched with that of a lathe tailstock taper sleeve; a square groove (9) is formed in the middle position of the left end of the fixing rod (12) along the axial lead direction, one side of the square groove (9) extends to the left end of the fixing rod (12), an arc groove (10) is formed in the bottom of the square groove (9), the diameter of the arc groove (10) is larger than the width of the square groove (9), 2 threaded holes (6) are formed in the position, half the radius of the fixing rod (12) and perpendicular to the square groove (9), of the fixing rod along the axial direction, a blocking block (8) is arranged in the square groove (9), the shape of the blocking block (8) is matched with that of the square groove (9), 2 positioning grooves (7) are formed in the blocking block (8), and the positions of the 2 positioning grooves (7) are matched with the 2 threaded holes (6);
a square boss (5) is arranged at the right end of the floating rod (4), a spherical body (11) is arranged at the tail end of the square boss (5), the diameter of the spherical body (11) is larger than the side length of the square boss (5), a mounting square hole (2) is arranged in the direction of the central axis of the left end of the floating rod (4), and a fastening threaded hole (3) is radially arranged in the mounting square hole (2); the square mounting hole (2) at the left end of the floating rod (4) is matched with the shape and size of a cutter handle of the milling cutter (1);
the connecting sleeve (15) is in a bottle cap shape, 4 connecting threaded holes (17) are uniformly distributed on the circumference of the connecting sleeve (15), and a through square hole (16) is processed in the center of the end face of the connecting sleeve (15);
a cone (13) at the right end of the fixed rod (12) is connected with a lathe tailstock taper sleeve in a matching mode, the other end of the fixed rod (12) is connected with one end of the floating rod (4) in a matching mode through a square groove (9) and a square boss (5), and a milling cutter (1) is installed in a square installation hole (2) at the other end of the floating rod (4);
when the milling cutter is used, the connecting sleeve (15) is connected and fixed to a part to be machined, and the milling cutter (1) floats in the through square hole (16) to feed to machine the part.
2. The square hole turning device according to claim 1, wherein the size of the inner hole of the connecting sleeve (17) is matched with the size of the outer circle of the part of the square hole to be machined, and the size of the through square hole (16) is matched with the size of the square hole to be machined.
3. The square hole turning device according to claim 1, wherein the shape of the square boss (5) and the spherical body (11) at the right end of the floating rod (4) are matched with the shape of the square groove (9) and the circular arc groove (10) at the left end of the fixed rod (12), and the side length of the square boss (5) at the right end of the floating rod (4) is 2mm smaller than the width of the square groove (9) at the left end of the fixed rod (12).
4. The square hole turning device according to claim 1, wherein the milling cutter (1) is a flat-bottom countersink milling cutter with three straight edges, the shape of the handle of the milling cutter (1) is matched with the square mounting hole (2) of the floating rod (4), and the hardness of the milling cutter (1) is greater than that of the coupling sleeve (15).
5. The use method of the square hole turning device is characterized by comprising the following steps:
a square boss (5) at the right end of a floating rod (4) is matched with a square groove (9) at the left end of a fixed rod (12), a spherical body (11) is matched with an arc-shaped groove (10), 2 threaded holes (6) on the fixed rod (12) are matched and corresponding to 2 positioning grooves (7) on a block (8) through bolts, and the bolts are screwed on the corresponding threaded holes (6) and the positioning grooves (7), so that the block (8) is fixed in the square groove (9), and a 2mm distance is reserved between the inner edge (8-1) of the block (8) and the square boss (5);
matching the taper of a cone (13) at the right end of the fixed rod (12) with the taper of a taper sleeve of a lathe tailstock to ensure that the cone is fixed on the lathe tailstock;
the diameter of the selected milling cutter (1) is equal to the side length of a square hole to be processed, a cutter handle of the milling cutter (1) is installed in an installation square hole (2) at the left end of a floating rod (4) and is fastened through a fastening bolt screwed in a fastening threaded hole (3), and the cutter handle of the milling cutter (1) is tightly clamped by the fastening bolt;
clamping a part blank needing to be processed into a square hole on a lathe fixture, starting a machine tool to turn and machine the end face of the blank to be processed flat and then shut down;
matching and matching a connecting sleeve inner hole (14) of a connecting sleeve (15) with the excircle of a part to be processed with a square hole, enabling the end face of a part blank to abut against the bottom of the connecting sleeve inner hole (14), matching a connecting sleeve bolt with a connecting threaded hole (17), screwing the connecting sleeve bolt in the connecting threaded hole (17) and clamping the part in the connecting sleeve inner hole (14), and connecting and fixing the connecting sleeve (15) to the part to be processed;
pushing to enable the lathe tailstock to approach to the part, enabling the milling cutter (1) to approach to the part, and then locking the lathe tailstock;
shaking a hand wheel of the lathe tailstock to enable a taper sleeve of the lathe tailstock to slowly extend out, and enabling the milling cutter (1) to penetrate through a through square hole (16) of a connecting sleeve (15);
starting the lathe, and slowly shaking a hand wheel of a lathe tailstock to enable the milling cutter (1) to move in a feeding way;
under the action of the lathe rotating motion, the limit of the through square hole (16) and the milling cutter (1) with three straight edges, the milling cutter (1) processes a required square hole in the axis direction of the part;
the milling cutter (1) is fed and moved to the required depth, and at the moment, the machining is finished; reversely shaking a hand wheel of a lathe tailstock to enable the milling cutter (1) to return to the starting point and then shut down;
and (3) dismounting the connecting sleeve (15) matched with the excircle of the part in a matching way, and finishing the square hole machining operation of the part.
CN202010756368.6A 2020-07-31 2020-07-31 Square hole turning-based device and method Active CN111843496B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010756368.6A CN111843496B (en) 2020-07-31 2020-07-31 Square hole turning-based device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010756368.6A CN111843496B (en) 2020-07-31 2020-07-31 Square hole turning-based device and method

Publications (2)

Publication Number Publication Date
CN111843496A CN111843496A (en) 2020-10-30
CN111843496B true CN111843496B (en) 2021-11-19

Family

ID=72952636

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010756368.6A Active CN111843496B (en) 2020-07-31 2020-07-31 Square hole turning-based device and method

Country Status (1)

Country Link
CN (1) CN111843496B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08294809A (en) * 1995-04-26 1996-11-12 Fuji Kikai Kosakusho:Kk Square hole working tool
ES2232246A1 (en) * 2002-09-26 2005-05-16 Jose Madaula Latorre Polygonal shaped oscillating brush tool, has brush inserted into oblique hole, mechanical transmission input shaft attached with rotating sleeve, and double universal joint connected with rear end of housing support
CN103567476A (en) * 2013-10-30 2014-02-12 首都航天机械公司 Fast processing device and method for polygonal inner hole
CN104339016A (en) * 2013-08-05 2015-02-11 烟台海德机床有限公司 Slotting tool for orthogonal hole
CN208391176U (en) * 2018-06-30 2019-01-18 河南师范大学新联学院 A kind of rectangular aperture knife tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08294809A (en) * 1995-04-26 1996-11-12 Fuji Kikai Kosakusho:Kk Square hole working tool
ES2232246A1 (en) * 2002-09-26 2005-05-16 Jose Madaula Latorre Polygonal shaped oscillating brush tool, has brush inserted into oblique hole, mechanical transmission input shaft attached with rotating sleeve, and double universal joint connected with rear end of housing support
CN104339016A (en) * 2013-08-05 2015-02-11 烟台海德机床有限公司 Slotting tool for orthogonal hole
CN103567476A (en) * 2013-10-30 2014-02-12 首都航天机械公司 Fast processing device and method for polygonal inner hole
CN208391176U (en) * 2018-06-30 2019-01-18 河南师范大学新联学院 A kind of rectangular aperture knife tool

Also Published As

Publication number Publication date
CN111843496A (en) 2020-10-30

Similar Documents

Publication Publication Date Title
CN201102149Y (en) Turning clamper
CN203495272U (en) Outer wall machining clamp for blind hole thin-wall sleeve parts
CN103252514B (en) Expanding type clamp used on lathe and machining method thereof
CN203380388U (en) Adjustable expanding mandrel outer circle machining fixture
CN103495755A (en) Machining clamp for outer wall of blind-hole thin-wall sleeve part and using method thereof
CN204868271U (en) Lathe is with anchor clamps of long and thin annular thin wall spare of processing
CN205342512U (en) A anchor clamps for processing accurate thin wall sleeve part of overlength
CN204524841U (en) For the eccentric clamp of crank shaft of bent axle car eccentric throw processing
CN107662103B (en) Machining method and machining clamp for automobile steering knuckle back taper hole
CN204639184U (en) Cylinder block turning centering is risen fixture
CN201863608U (en) Fixture quick clamping device of engraving and milling machine
CN102773737A (en) Turning machining method of flange bolt as well as positioning and clamping device for same
CN111843496B (en) Square hole turning-based device and method
CN203875363U (en) Chuck for lathe tailstock
CN202741755U (en) Tip center drill
CN110883350A (en) High-precision inner hole turning device and method for long pipe blank
CN205869501U (en) A lathe tailstock chuck that is used for clamping aluminium foil mill to press roller
CN214053674U (en) Clamping device for turning thin-wall parts
CN211614355U (en) Auxiliary clamp and lathe with same
CN211758565U (en) Copper pipe outer wall processing clamping device
CN208495819U (en) It is a kind of floating type top
CN106425302B (en) A kind of processing method of conical thin-wall part vehicle high-axiality sealing screw thread
CN201295772Y (en) Main axle set for high precision special purpose machine
CN202780552U (en) Positioning and clamping device for turning machining of flange bolts
CN204893012U (en) Turning thin wall lid type part anchor clamps

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant