CN112846775A - Lathe for machining precise inner hexagon of pressure valve core and machining process - Google Patents
Lathe for machining precise inner hexagon of pressure valve core and machining process Download PDFInfo
- Publication number
- CN112846775A CN112846775A CN202011595709.2A CN202011595709A CN112846775A CN 112846775 A CN112846775 A CN 112846775A CN 202011595709 A CN202011595709 A CN 202011595709A CN 112846775 A CN112846775 A CN 112846775A
- Authority
- CN
- China
- Prior art keywords
- machining
- hexagon
- pressure valve
- lathe
- inner hexagon
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- 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
- B23P15/00—Making 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)
- Turning (AREA)
Abstract
The invention discloses a pressure valve core precise inner hexagon machining lathe and a machining process, and the lathe comprises an equipment base, wherein a moving device is arranged on the left side of the top of the equipment base, a height adjusting mechanism is arranged on the right side of the top of the equipment base, a transverse moving mechanism is arranged on the top of the left side of the height adjusting mechanism, and a pull pin cutter adjusting mechanism is arranged at the bottom of the transverse moving mechanism. When the hexagonal broaching machine is actually used, a lathe is used for machining, a 120-degree-angle cutter is customized, the main shaft is locked, one corner in a hexagon can be broached by utilizing the movement of the cutter tower in the Z direction, and the rest five corners enable the main shaft to be sequentially machined after uniformly rotating for 60 degrees, so that by using the machining mode, the broached amount each time is about 0.05mm, the machining precision of the hexagon can be met, the machined surface is flat and smooth, no stamping stress exists, the deformation amount of the inner hexagon after heat treatment can be more easily controlled, the circulation of parts is reduced, and the machining efficiency is improved.
Description
Technical Field
The invention relates to the technical field of machining of an inner hexagon with smaller tolerance, in particular to a lathe and a machining process for machining a precise inner hexagon of a pressure valve core.
Background
The main functions of the inner hexagon are as follows: the inner hexagon is an indispensable structure when parts are assembled; the inner hexagon wrench used by matching the inner hexagon can ensure that the assembly is not easily subjected to space interference, and the inner hexagon is more stable than the outer hexagon, so that the inner hexagon structure is widely evaluated, the conventional inner hexagon tolerance is referred to according to the standard DIN475-1, and the minimum tolerance is 0.1; the inner hexagon with the precision is machined, a stamping process is generally used, and the inner hexagon machining device has the advantages of being high in efficiency, stable in size and suitable for batch machining.
However, the inner hexagon used in a similar connection structure has the precision requirement of +/-0.02, and needs heat treatment, which exceeds the precision requirement which can be achieved by stamping, and the precision of the inner hexagon processed by stamping cannot meet the actual use requirement, so that a large error exists, and the inner hexagon is inconvenient for a user to use.
Disclosure of Invention
The invention aims to provide a lathe and a process for machining a precise inner hexagon of a pressure valve core, which have the advantages of meeting the machining precision of parts and reducing machining procedures by changing a machining mode, and solve the problems that the precision requirement of the inner hexagon used by a similar connecting structure is +/-0.02 and needs heat treatment, which exceeds the precision requirement which can be met by stamping, the precision of the inner hexagon machined by stamping cannot meet the actual use requirement, larger errors exist, and the inner hexagon is inconvenient to use by a user.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a precision inner hexagonal machining lathe of pressure valve case, includes the equipment base, the left side at equipment base top is provided with the mobile device, the right side at equipment base top is provided with high adjustment mechanism, the left top of high adjustment mechanism is provided with lateral shifting mechanism, lateral shifting mechanism's bottom is provided with draws round pin cutter adjustment mechanism, the embedded cutting device that installs in right side at mobile device top, mobile device's right side is provided with clamping device, clamping device's inside centre gripping has the allen key work piece.
By adopting the technical scheme, the lathe is used for machining instead when the tool is actually used, the angle cutter is customized, the spindle is locked, one angle in the hexagon can be broached by utilizing the movement of the cutter tower in the Z direction, and the rest five angles enable the spindle to rotate uniformly for an angle and then be sequentially machined.
The invention is used for the precise inner hexagon machining lathe of the pressure valve core, and further comprises the following steps: the moving device comprises a driving device fixedly installed on the device base, and the clamping device is fixedly installed on the output end on the right side of the driving device.
The invention is used for the precise inner hexagon machining lathe of the pressure valve core, and further comprises the following steps: the output end of the front side of the driving device is fixedly provided with a rotating disc, one end of the front side of the rotating disc is fixedly connected with a pushing pin, a swinging rod is sleeved on the surface of the pushing pin, the bottom end of the swinging rod is movably installed on a device base, the top end of the swinging rod is movably connected with a movable connecting rod, a fixed guide rail is fixedly installed at the top of the driving device, a moving block is slidably connected to the inner cavity of the fixed guide rail, the front end and the rear end of the moving block both extend to the outer side of the fixed guide rail, a locking nut is installed at the front end and the rear end of the moving block in a threaded mode, and a mounting plate is.
The invention is used for the precise inner hexagon machining lathe of the pressure valve core, and further comprises the following steps: the right side at the mounting panel top is installed to cutting device run-through, cutting device's bottom is located directly over the hexagon socket head cap work piece.
The invention is used for the precise inner hexagon machining lathe of the pressure valve core, and further comprises the following steps: the height adjusting mechanism comprises a vertical guide rail welded on the equipment base, a first pushing cylinder is fixedly installed at the bottom of an inner cavity of the vertical guide rail, a sliding plate is connected to the inner cavity of the vertical guide rail in a sliding mode, and the output end of the first pushing cylinder is fixedly connected to the bottom of the sliding plate.
The invention is used for the precise inner hexagon machining lathe of the pressure valve core, and further comprises the following steps: the transverse moving mechanism comprises a transverse guide rail fixedly connected to the sliding plate, a sliding rod is connected to an inner cavity of the transverse guide rail in a sliding mode, a mounting frame is fixedly connected to the front end and the rear end of the sliding rod, a second pushing cylinder is fixedly mounted on one side of the transverse guide rail, and the output end of the second pushing cylinder is fixedly connected to the mounting frame.
The invention is used for the precise inner hexagon machining lathe of the pressure valve core, and further comprises the following steps: the top end of the movable connecting rod is movably arranged on the mounting plate.
The invention is used for the precise inner hexagon machining lathe of the pressure valve core, and further comprises the following steps: the motion trail of the swing rod swings forty-five degrees left and right respectively.
The invention is used for the precise inner hexagon machining lathe of the pressure valve core, and further comprises the following steps: two supporting cushion blocks are fixedly mounted on two sides of the bottom of the equipment base.
The machining process of the pressure valve core precise inner hexagon machining lathe comprises the following steps:
the method comprises the following steps: pre-drilling a bottom hole, chamfering:
a user operates the clamping device to open, then places the inner hexagonal workpiece into the clamping device, then operates the clamping device to clamp and fix the inner hexagonal workpiece, starts the moving device to drive the clamping device and the inner hexagonal workpiece to rotate, then operates the height adjusting mechanism to drive the transverse moving mechanism and the pull pin cutter adjusting mechanism to move downwards, adjusts a drill required on the pull pin cutter adjusting mechanism after the pull pin cutter adjusting mechanism moves downwards to the horizontal position of the inner hexagonal workpiece, and then operates the transverse moving mechanism to push the pull pin cutter adjusting mechanism to pre-drill a bottom hole and chamfer the inner hexagonal workpiece, wherein the step is to perform pre-drilling on a hexagon for customizing the cutter, the required hole diameter is larger than the cutter and smaller than the opposite side of the inner hexagon, and the chamfer can be directly processed to the design requirement;
step two: processing an inner hexagon:
1. the main shaft is increased by 60 degrees every time, the main shaft is arranged for 6 times, and the instruction codes are different according to different lathes;
2. when the tool is adjusted, the center of a tool nose and the center of an inner hexagon are required to be adjusted to be at one point, and it needs to be stated that the error is less than 0.02mm, otherwise, the inner hexagon is eccentric, and the tool connecting surface is not flat;
3. programming, namely performing rough machining and finish machining, wherein the cutting amount can be 0.05mm each time during rough machining, and the cutting amount can be adjusted to be 0.01mm to ensure roughness during finish machining;
the machining method has the advantages that the machining is carried out by a lathe, the 120-degree angle cutter is customized, the main shaft is locked, one angle in the hexagon can be broached by utilizing the movement of the cutter tower in the Z direction, the rest five angles enable the main shaft to uniformly rotate by 60 degrees and then be sequentially machined, so that the machining method is used, the broached amount is about 0.05mm each time, the machining precision of the hexagon can be met, the machined surface is flat and smooth, the stamping stress is avoided, the deformation amount of the inner hexagon after heat treatment can be more easily controlled, the circulation of parts is reduced, and the machining efficiency is improved.
Compared with the prior art, the invention has the following beneficial effects:
1. when the hexagonal broaching machine is actually used, a lathe is used for machining, a 120-degree-angle cutter is customized, the main shaft is locked, one corner in a hexagon can be broached by utilizing the movement of the cutter tower in the Z direction, and the rest five corners enable the main shaft to be sequentially machined after uniformly rotating for 60 degrees, so that by using the machining mode, the broached amount each time is about 0.05mm, the machining precision of the hexagon can be met, the machined surface is flat and smooth, no stamping stress exists, the deformation amount of the inner hexagon after heat treatment can be more easily controlled, the circulation of parts is reduced, and the machining efficiency is improved.
2. According to the invention, through the arrangement of the pull pin cutter adjusting mechanism 8, when the pull pin cutter adjusting mechanism is in actual use, a user firstly pulls out the positioning bolt 86 outwards to separate the positioning bolt 86 from the positioning bolt 86, meanwhile, the spring 87 is stretched, the motor 84 is started to drive the gear II 85 to rotate, the gear II 85 drives the gear I83 to rotate, the gear I83 drives the rotating rod 82 to rotate, the rotating rod 82 drives the adjusting turntable 88 to rotate, and the adjusting turntable 88 drives the cutter I89, the cutter II 810 and the cutter III 811 to rotate, so that the adjustment of the pull pin cutter is realized, the required pull pin cutter can be adjusted according to the precision of the pull pin to be machined.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a perspective assembly view of the lateral shifting mechanism of the present invention.
Fig. 3 is a bottom perspective view of the height adjustment mechanism of the present invention.
Fig. 4 is a left side perspective view of the pull pin cutter adjustment mechanism of the present invention.
Fig. 5 is a right perspective view of the pull pin cutter adjustment mechanism of the present invention.
In the figure: 1. an equipment base; 2. a mobile device; 3. a clamping device; 4. an inner hexagonal workpiece; 5. a cutting device; 6. a height adjustment mechanism; 7. a lateral movement mechanism; 8. a pull pin cutter adjustment mechanism; 21. a drive device; 22. rotating the disc; 23. a swing lever; 24. pushing the pin; 25. a movable connecting rod; 26. fixing the guide rail; 27. a moving block; 28. locking the nut; 29. mounting a plate; 61. erecting a guide rail; 62. a sliding plate; 63. a first pushing cylinder; 71. a transverse guide rail; 72. a slide bar; 73. a mounting frame; 74. a second pushing cylinder; 81. a stationary case; 82. rotating the rod; 83. a first gear; 84. a motor; 85. a second gear; 86. positioning a bolt; 87. a spring; 88. adjusting the turntable; 89. a first cutter; 810. a second cutter; 811. and a third cutter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-5, the invention provides a technical scheme, a precision inner hexagonal machining lathe for a valve core of a pressure valve comprises an equipment base 1, a moving device 2 is arranged on the left side of the top of the equipment base 1, a height adjusting mechanism 6 is arranged on the right side of the top of the equipment base 1, a transverse moving mechanism 7 is arranged on the top of the left side of the height adjusting mechanism 6, a pull pin cutter adjusting mechanism 8 is arranged at the bottom of the transverse moving mechanism 7, a cutting device 5 is embedded on the right side of the top of the moving device 2, when in actual use, a user can operate the moving device 2 to push the cutting device 5 to move towards the right side or the left side, so that the surface of an inner hexagonal workpiece 4 is machined, the user can conveniently machine the surface of the inner hexagonal workpiece 4 into a required shape, a clamping device 3 is arranged on the right side of the moving device 2, the inner hexagonal, the moving device 2 comprises a driving device 21 fixedly installed on a device base 1, a clamping device 3 is fixedly installed on the output end on the right side of the driving device 21, a rotating disc 22 is fixedly installed on the output end on the front side of the driving device 21, a pushing pin 24 is fixedly connected to one end on the front side of the rotating disc 22, a swinging rod 23 is sleeved on the surface of the pushing pin 24, the bottom end of the swinging rod 23 is movably installed on the device base 1, a movable connecting rod 25 is movably connected to the top end of the swinging rod 23, a fixed guide rail 26 is fixedly installed on the top of the driving device 21, a moving block 27 is slidably connected to the inner cavity of the fixed guide rail 26, the front end and the rear end of the moving block 27 both extend to the outer side of the fixed guide rail 26, locking nuts 28 are installed on the front end and the rear end of the moving block 27 through threads, an, the bottom of cutting device 5 is located directly over hexagon socket head cap work piece 4, height adjusting mechanism 6 is including the guide rail 61 of erectting of welding on equipment base 1, the bottom fixed mounting who erects the guide rail 61 inner chamber has a push cylinder 63, the inner chamber sliding connection who erects guide rail 61 has a sliding plate 62, the output fixed connection of push cylinder 63 is in the bottom of sliding plate 62, lateral shifting mechanism 7 includes transverse guide 71 of fixed connection on sliding plate 62, transverse guide 71 inner chamber sliding connection has a slide bar 72, the equal fixedly connected with mounting bracket 73 in front end and the rear end of slide bar 72, one side fixed mounting of transverse guide 71 has a push cylinder two 74, the output fixed connection of push cylinder two 74 is on mounting bracket 73, the top movable mounting of swing link 25 is on mounting panel 29, the motion trail of swing link 23 is respectively for controlling and swinging forty-five degrees, the equal fixed mounting in both sides of equipment base 1 bottom has two.
The machining process of the pressure valve core precise inner hexagon machining lathe comprises the following steps:
the method comprises the following steps: pre-drilling a bottom hole, chamfering:
the user operates the clamping device 3 to open, then the inner hexagonal workpiece 4 is placed in the clamping device 3, then the clamping device 3 is operated to clamp and fix the inner hexagonal workpiece 4, the moving device 2 is started to drive the clamping device 3 and the inner hexagonal workpiece 4 to rotate, then the height adjusting mechanism 6 is operated to drive the transverse moving mechanism 7 and the pull pin cutter adjusting mechanism 8 to move downwards, after the adjusting mechanism 8 of the pull pin cutter is moved down to the horizontal position of the inner hexagonal workpiece 4, the drill bit required on the adjusting mechanism 8 of the pull pin cutter is adjusted, then, operating the transverse moving mechanism 7 to push the pull pin cutter adjusting mechanism 8 to pre-drill a bottom hole and chamfer the inner hexagonal workpiece 4, wherein the step is to customize a cutter to be capable of broaching a pre-drilled hole made by a hexagon, the hole diameter is required to be larger than the cutter and smaller than the opposite side of the inner hexagon, and the chamfer can be directly processed to the design requirement;
step two: processing an inner hexagon:
1. the main shaft is increased by 60 degrees every time, the main shaft is arranged for 6 times, and the instruction codes are different according to different lathes;
2. when the tool is adjusted, the center of a tool nose and the center of an inner hexagon are required to be adjusted to be at one point, and it needs to be stated that the error is less than 0.02mm, otherwise, the inner hexagon is eccentric, and the tool connecting surface is not flat;
3. programming, namely performing rough machining and finish machining, wherein the cutting amount can be 0.05mm each time during rough machining, and the cutting amount can be adjusted to be 0.01mm to ensure roughness during finish machining;
it should be noted that, instead of using lathe to process, a 120-degree angle cutter is customized, the main shaft is locked, one angle in the hexagon can be broached by utilizing the movement of the turret in the Z direction, and the rest five angles enable the main shaft to uniformly rotate through 60 degrees
The back is processed out in proper order, so use this processing mode, the volume of broaching at every turn is about 0.05mm, can satisfy hexagonal machining precision, and the machined surface is level and smooth moreover, does not have stamping stress, can control the deflection of interior hexagonal size after the heat treatment more easily, has reduced the circulation of part, has improved machining efficiency.
Example two:
referring to fig. 1-5, the invention provides a technical scheme, a precision inner hexagonal machining lathe for a valve core of a pressure valve comprises an equipment base 1, a moving device 2 is arranged on the left side of the top of the equipment base 1, a height adjusting mechanism 6 is arranged on the right side of the top of the equipment base 1, a transverse moving mechanism 7 is arranged on the top of the left side of the height adjusting mechanism 6, a pull pin cutter adjusting mechanism 8 is arranged at the bottom of the transverse moving mechanism 7, a cutting device 5 is embedded on the right side of the top of the moving device 2, when in actual use, a user can operate the moving device 2 to push the cutting device 5 to move towards the right side or the left side, so that the surface of an inner hexagonal workpiece 4 is machined, the user can conveniently machine the surface of the inner hexagonal workpiece 4 into a required shape, a clamping device 3 is arranged on the right side of the moving device 2, the inner hexagonal, the moving device 2 comprises a driving device 21 fixedly installed on a device base 1, a clamping device 3 is fixedly installed on the output end on the right side of the driving device 21, a rotating disc 22 is fixedly installed on the output end on the front side of the driving device 21, a pushing pin 24 is fixedly connected to one end on the front side of the rotating disc 22, a swinging rod 23 is sleeved on the surface of the pushing pin 24, the bottom end of the swinging rod 23 is movably installed on the device base 1, a movable connecting rod 25 is movably connected to the top end of the swinging rod 23, a fixed guide rail 26 is fixedly installed on the top of the driving device 21, a moving block 27 is slidably connected to the inner cavity of the fixed guide rail 26, the front end and the rear end of the moving block 27 both extend to the outer side of the fixed guide rail 26, locking nuts 28 are installed on the front end and the rear end of the moving block 27 through threads, an, the bottom of cutting device 5 is located directly over hexagon socket head cap work piece 4, height adjusting mechanism 6 is including the guide rail 61 of erectting of welding on equipment base 1, the bottom fixed mounting who erects the guide rail 61 inner chamber has a push cylinder 63, the inner chamber sliding connection who erects guide rail 61 has a sliding plate 62, the output fixed connection of push cylinder 63 is in the bottom of sliding plate 62, lateral shifting mechanism 7 includes transverse guide 71 of fixed connection on sliding plate 62, transverse guide 71 inner chamber sliding connection has a slide bar 72, the equal fixedly connected with mounting bracket 73 in front end and the rear end of slide bar 72, one side fixed mounting of transverse guide 71 has a push cylinder two 74, the output fixed connection of push cylinder two 74 is on mounting bracket 73, the top movable mounting of swing link 25 is on mounting panel 29, the motion trail of swing link 23 is respectively for controlling and swinging forty-five degrees, the equal fixed mounting in both sides of equipment base 1 bottom has two.
The pull pin cutter adjusting mechanism 8 comprises a fixed shell 81 welded at the bottom of the mounting frame 73, a rotating rod 82 penetrates through the left side of the fixed shell 81, a first gear 83 located in the inner cavity of the fixed shell 81 is fixedly connected to the right end of the rotating rod 82, a motor 84 is fixedly installed on one side of the fixed shell 81, a second gear 85 located in the inner cavity of the fixed shell 81 is fixedly connected to an output shaft of the motor 84, the first gear 83 is meshed with the second gear 85, a positioning bolt 86 penetrates through the front side of the fixed shell 81, the rear end of the positioning bolt 86 extends into the inner side of teeth on the surface of the first gear 83, a spring 87 is sleeved on the surface of the positioning bolt 86, two ends of the spring 87 are respectively and fixedly connected with the fixed shell 81 and the positioning bolt 86, an adjusting turntable 88 is fixedly installed at the left end of the rotating rod 82, a first cutter 89, a, the second cutter 810 and the third cutter 811 are distributed in a triangular array on the left side of the adjusting turntable 88.
When in actual use, the user at first pulls out location bolt 86 to the outside, make location bolt 86 break away from with gear 83, extension spring 87 simultaneously, starter motor 84 drives gear two 85 and rotates, gear two 85 drives gear one 83 and rotates, gear one 83 drives dwang 82 and rotates, dwang 82 drives regulation carousel 88 and rotates, it drives cutter one 89 to adjust carousel 88, cutter two 810 and cutter three 811 rotate, with this regulation that realizes drawing the round pin cutter, can process to the round pin cutter that draws that needs according to the precision adjustment that draws the round pin, compare with traditional change and draw the round pin cutter, save time more, and the machining efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Accurate hexagon socket head machining lathe of pressure valve case, including equipment base (1), its characterized in that: the left side at equipment base (1) top is provided with mobile device (2), the right side at equipment base (1) top is provided with high adjustment mechanism (6), the left top of high adjustment mechanism (6) is provided with lateral shifting mechanism (7), the bottom of lateral shifting mechanism (7) is provided with draws round pin cutter adjustment mechanism (8), embedded cutting device (5) of installing in the right side at mobile device (2) top, the right side of mobile device (2) is provided with clamping device (3), hexagonal work piece (4) in the inside centre gripping of clamping device (3).
2. The precision inner hexagon machining lathe for the valve core of the pressure valve according to claim 1, is characterized in that: the moving device (2) comprises a driving device (21) fixedly installed on the device base (1), and the clamping device (3) is fixedly installed on the output end of the right side of the driving device (21).
3. The precision inner hexagon machining lathe for the valve core of the pressure valve according to claim 2, is characterized in that: the automatic lifting device is characterized in that a rotating disc (22) is fixedly mounted at the output end of the front side of the driving device (21), a pushing pin (24) is fixedly connected to one end of the front side of the rotating disc (22), a swinging rod (23) is sleeved on the surface of the pushing pin (24), the bottom end of the swinging rod (23) is movably mounted on the device base (1), a movable connecting rod (25) is movably connected to the top end of the swinging rod (23), a fixed guide rail (26) is fixedly mounted at the top of the driving device (21), a moving block (27) is slidably connected to the inner cavity of the fixed guide rail (26), the front end and the rear end of the moving block (27) extend to the outer side of the fixed guide rail (26), a locking nut (28) is mounted at the front end and the rear end of the moving block (27) in a threaded manner, and a mounting plate.
4. The precision inner hexagon machining lathe for the valve core of the pressure valve according to claim 3, is characterized in that: the right side at mounting panel (29) top is installed to cutting device (5) run-through, the bottom of cutting device (5) is located directly over hexagon socket head cap work piece (4).
5. The precision inner hexagon machining lathe for the valve core of the pressure valve according to claim 1, is characterized in that: the height adjusting mechanism (6) comprises a vertical guide rail (61) welded on the equipment base (1), a first pushing cylinder (63) is fixedly mounted at the bottom of an inner cavity of the vertical guide rail (61), a sliding plate (62) is connected to the inner cavity of the vertical guide rail (61) in a sliding mode, and an output end of the first pushing cylinder (63) is fixedly connected to the bottom of the sliding plate (62).
6. The precision inner hexagon machining lathe for the valve core of the pressure valve according to claim 5, is characterized in that: the transverse moving mechanism (7) comprises a transverse guide rail (71) fixedly connected to the sliding plate (62), a sliding rod (72) is connected to an inner cavity of the transverse guide rail (71) in a sliding mode, a mounting frame (73) is fixedly connected to the front end and the rear end of the sliding rod (72), a second pushing cylinder (74) is fixedly mounted on one side of the transverse guide rail (71), and the output end of the second pushing cylinder (74) is fixedly connected to the mounting frame (73).
7. The precision inner hexagon machining lathe for the valve core of the pressure valve according to claim 2, is characterized in that: the top end of the movable connecting rod (25) is movably arranged on the mounting plate (29).
8. The precision inner hexagon machining lathe for the valve core of the pressure valve according to claim 2, is characterized in that: the motion trail of the swing rod (23) is respectively forty-five degrees of left and right swing.
9. The precision inner hexagon machining lathe for the valve core of the pressure valve according to claim 1, is characterized in that: two supporting cushion blocks are fixedly arranged on two sides of the bottom of the equipment base (1).
10. The machining process of the pressure valve spool precise inner hexagon machining lathe comprises the pressure valve spool precise inner hexagon machining lathe as claimed in any one of claims 1-9, and comprises the following steps:
the method comprises the following steps: pre-drilling a bottom hole, chamfering:
a user operates the clamping device (3) to open, then the inner hexagonal workpiece (4) is placed into the clamping device (3), then the clamping device (3) is operated to clamp and fix the inner hexagonal workpiece (4), the moving device (2) is started to drive the clamping device (3) and the inner hexagonal workpiece (4) to rotate, then the height adjusting mechanism (6) is operated to drive the transverse moving mechanism (7) and the pull pin cutter adjusting mechanism (8) to move downwards, after the pull pin cutter adjusting mechanism (8) moves downwards to the horizontal position of the inner hexagonal workpiece (4), a required drill bit on the pull pin cutter adjusting mechanism (8) is adjusted, then the transverse moving mechanism (7) is operated to push the pull pin cutter adjusting mechanism (8) to pre-drill a bottom hole and chamfer the inner hexagonal workpiece (4), and the steps are described as follows, the steps are that pre-drilling holes can be made by drawing and cutting a hexagon for customizing cutter, the required aperture is larger than the cutter and smaller than the inner hexagonal opposite side, and the chamfer can be directly processed to the design requirement;
step two: processing an inner hexagon:
1. the main shaft is increased by 60 degrees every time, the main shaft is arranged for 6 times, and the instruction codes are different according to different lathes;
2. when the tool is adjusted, the center of the tool nose and the center of the inner hexagon are required to be adjusted to be at one point, and it needs to be stated that the error is less than 0.02mm, otherwise, the inner hexagon is eccentric, and the tool connecting surface is not flat.
3. Programming, namely performing rough machining and finish machining, wherein the cutting amount can be 0.05mm each time during rough machining, and the cutting amount can be adjusted to be 0.01mm to ensure roughness during finish machining;
the machining method has the advantages that the machining is carried out by a lathe, the 120-degree angle cutter is customized, the main shaft is locked, one angle in the hexagon can be broached by utilizing the movement of the cutter tower in the Z direction, the rest five angles enable the main shaft to uniformly rotate by 60 degrees and then be sequentially machined, so that the machining method is used, the broached amount is about 0.05mm each time, the machining precision of the hexagon can be met, the machined surface is flat and smooth, the stamping stress is avoided, the deformation amount of the inner hexagon after heat treatment can be more easily controlled, the circulation of parts is reduced, and the machining efficiency is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011595709.2A CN112846775B (en) | 2020-12-29 | 2020-12-29 | Lathe for machining precise inner hexagon of pressure valve core and machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011595709.2A CN112846775B (en) | 2020-12-29 | 2020-12-29 | Lathe for machining precise inner hexagon of pressure valve core and machining process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112846775A true CN112846775A (en) | 2021-05-28 |
| CN112846775B CN112846775B (en) | 2022-02-15 |
Family
ID=75998212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011595709.2A Active CN112846775B (en) | 2020-12-29 | 2020-12-29 | Lathe for machining precise inner hexagon of pressure valve core and machining process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112846775B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115847113A (en) * | 2022-12-16 | 2023-03-28 | 温州市强杰科技实业有限公司 | Nut cutting forming device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243347A (en) * | 1979-02-28 | 1981-01-06 | General Electric Company | Broaching assembly having disposable carbide inserts |
| CN101011758A (en) * | 2007-02-02 | 2007-08-08 | 大连三高科技发展有限公司 | Servo-actuated die cutting scale apparatus for steel pipe |
| CN106270795A (en) * | 2016-08-25 | 2017-01-04 | 周玉梅 | A kind of topping machanism easy to use |
| CN206652880U (en) * | 2017-04-06 | 2017-11-21 | 事必得精密机械(上海)有限公司 | Continuously extruding feeds hexagonal device in punching to a kind of lathe on a small quantity |
| CN110977018A (en) * | 2019-11-22 | 2020-04-10 | 中国航发沈阳黎明航空发动机有限责任公司 | Broach for machining inner hexagonal connecting bolt and broaching method |
-
2020
- 2020-12-29 CN CN202011595709.2A patent/CN112846775B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243347A (en) * | 1979-02-28 | 1981-01-06 | General Electric Company | Broaching assembly having disposable carbide inserts |
| CN101011758A (en) * | 2007-02-02 | 2007-08-08 | 大连三高科技发展有限公司 | Servo-actuated die cutting scale apparatus for steel pipe |
| CN106270795A (en) * | 2016-08-25 | 2017-01-04 | 周玉梅 | A kind of topping machanism easy to use |
| CN206652880U (en) * | 2017-04-06 | 2017-11-21 | 事必得精密机械(上海)有限公司 | Continuously extruding feeds hexagonal device in punching to a kind of lathe on a small quantity |
| CN110977018A (en) * | 2019-11-22 | 2020-04-10 | 中国航发沈阳黎明航空发动机有限责任公司 | Broach for machining inner hexagonal connecting bolt and broaching method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115847113A (en) * | 2022-12-16 | 2023-03-28 | 温州市强杰科技实业有限公司 | Nut cutting forming device |
| CN115847113B (en) * | 2022-12-16 | 2023-06-27 | 温州市强杰科技实业有限公司 | Nut cutting forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112846775B (en) | 2022-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202780719U (en) | Five-shaft numerically controlled engraving and milling machine | |
| CN108161524B (en) | Efficient CNC (computer numerical control) machining device and machining method thereof | |
| CN211516763U (en) | Fixing device for numerical control machining | |
| CN112846775B (en) | Lathe for machining precise inner hexagon of pressure valve core and machining process | |
| CN214557851U (en) | Precise inner hexagon machining lathe for valve core of pressure valve | |
| CN209598286U (en) | A kind of face miller | |
| JPS62199301A (en) | Vertical numerically controlled lathe provided with work index table | |
| CN111687654A (en) | Special-shaped workpiece angle adjusting device of vertical machining center | |
| CN216398088U (en) | Vertical double-end drilling machine tool | |
| CN214558966U (en) | Boring and milling combined machine tool | |
| CN113400016A (en) | Valve worm machining center | |
| CN112388038A (en) | Tool for roughly machining four-axis surface of steering knuckle and machining method thereof | |
| CN220943217U (en) | Workpiece quick-change tooling for lathe | |
| CN219403385U (en) | Drilling machine fixture | |
| CN220574817U (en) | Numerical control perforating machine with turning plate function | |
| CN216858243U (en) | Discharging device for numerical control lathe for machining fasteners | |
| CN219234806U (en) | Corner trimming device for machined workpiece | |
| CN220881459U (en) | Jig for CNC (computerized numerical control) machining of parts | |
| CN220362276U (en) | Clamping device for workpiece on workbench of radial drilling machine | |
| CN221184821U (en) | Drilling machine with positioning structure | |
| CN218926955U (en) | Fixing clamp for head injection machining | |
| CN220739483U (en) | Hydraulic locking mechanism for tailstock of numerical control lathe | |
| CN221064480U (en) | Inclined plane mills positioner | |
| CN117102876B (en) | Cantilever type drilling tapping machine | |
| CN220902537U (en) | CNC fixture |
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 |