CN220330013U - CNC machining center workstation expands anchor clamps - Google Patents
CNC machining center workstation expands anchor clamps Download PDFInfo
- Publication number
- CN220330013U CN220330013U CN202321936137.9U CN202321936137U CN220330013U CN 220330013 U CN220330013 U CN 220330013U CN 202321936137 U CN202321936137 U CN 202321936137U CN 220330013 U CN220330013 U CN 220330013U
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- mounting seat
- boss
- contact surface
- mount pad
- jaw chuck
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- 239000007787 solid Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 10
- 230000007704 transition Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a CNC machining center workbench expanding clamp, wherein a machine tool workbench is connected with a three-jaw chuck through a mounting seat of a revolving body structure, the mounting seat comprises a mounting seat bottom boss positioned at the bottom, a mounting seat bottom contact surface is arranged above the mounting seat bottom boss, a mounting seat top boss is arranged at the top of the mounting seat, a mounting seat top contact surface is arranged below the mounting seat top boss, the mounting seat bottom contact surface is connected with the mounting seat top contact surface through a transition section of a cylindrical structure, the mounting seat bottom boss is inserted into a drill jig guide sleeve, the mounting seat bottom contact surface is attached to and fixedly connected with the working surface of the machine tool workbench, the mounting seat top boss is inserted into a three-jaw chuck positioning ring at the bottom of the three-jaw chuck, and the mounting seat top contact surface is attached to and fixedly connected with the bottom surface of the three-jaw chuck; the clamp reduces the interference problem on the cutter in the machining process, improves the safety of the machining, and saves the time for replacing the cutter handle or the cutter due to the interference problem.
Description
Technical Field
The utility model belongs to the technical field of machining, and relates to a CNC machining center workbench expanding clamp.
Background
The middle part of the existing CNC machining center workbench is provided with a drill jig guide sleeve with the diameter of 100 degrees and the depth of 50, the space utilization rate is extremely low because no plane is used as a supporting pressure point, and because a certain precision error exists after the CNC machining center workbench rotates, a three-jaw chuck is required to be used for clamping when machining certain rotary parts with higher precision, if a workpiece is placed at a position which is not concentric with the workbench, the workpiece is unqualified in size due to the rotation error of the workbench, so that a cuff table is often required to be used for aligning a clamp and the workpiece to a position which is coaxial and concentric with the CNC machining center workbench, the machining precision is improved, but the method is time-consuming and labor-consuming, and the clamp is required to be aligned again each time. And the three-jaw chuck needs to be fixed by using a pressing plate, and because of the overhanging length of the pressing plate, when the spindle is horizontally processed, interference is often caused to the tool, and in order to solve the interference problem, the slender tool handle or the lengthened tool needs to be replaced. Thus, the processing quality and the precision are affected to a certain extent. There is a great need for a CNC machining center table expansion fixture that addresses the above-identified problems.
Disclosure of Invention
The utility model provides a CNC machining center workbench expanding clamp, which aims to solve the problems of low space utilization rate, time and labor consuming clamp alignment, large machining error, cutter interference and the like caused by no pressure point in the center of the workbench in the prior art.
The utility model is realized by adopting the following technical scheme:
the utility model provides a CNC machining center workstation expands anchor clamps, including the lathe workstation and set up the three-jaw chuck that is used for the centre gripping work piece on the lathe workstation, there is a jig guide pin bushing in the center department of lathe workstation, lathe workstation and three-jaw chuck are connected through the mount pad of a revolution solid structure, the mount pad is including the mount pad bottom boss that is located the bellied cylinder structure downwards of bottom, there is the mount pad bottom contact surface of disc mount pad bottom boss top, the top of mount pad has the mount pad top boss of bellied cylinder structure upwards, there is the mount pad top contact surface of disc mount pad top boss below, be connected through the changeover portion of a cylinder structure between mount pad bottom contact surface and the mount pad top contact surface, mount pad top boss, mount pad top contact surface and changeover portion integrated into one piece and coaxial setting form the mount pad central axis, mount pad bottom boss inserts in the jig guide pin, mount pad bottom contact surface and the laminating of the working face of lathe workstation and fixed connection, mount pad top inserts in the three-jaw chuck locating ring of jaw chuck bottom, mount pad top contact surface and three-jaw chuck bottom.
The further technical scheme comprises the following steps:
the boss at the bottom of the mounting seat is in clearance fit with the drill jig guide sleeve of the machine tool workbench by adopting a base hole, and the tolerance is H7/H6, so that the central axis of the mounting seat is coincident with the central axis of the machine tool workbench.
The boss at the top of the mounting seat is in clearance fit with the positioning ring of the three-jaw chuck by adopting a base hole, and the tolerance is H7/H6, so that the central axis of the mounting seat is coincident with the central axis of the three-jaw chuck.
Four phi 13 through holes are uniformly distributed on the contact surface at the bottom of the mounting seat at intervals, four M12 threaded holes which are in one-to-one correspondence with the phi 13 through holes are distributed on the periphery of the drill jig guide sleeve on the working surface of the machine tool workbench, and the contact surface at the bottom of the mounting seat is fixed with the machine tool workbench through the four phi 13 through holes, four M12 bolts and four M12 threaded holes.
And gaskets are sleeved on the four M12 bolts.
Three M10 screw holes are evenly arranged on the bottom surface of the three-jaw chuck at intervals, three phi 11 through holes which are in one-to-one correspondence with the M10 screw holes are arranged on the contact surface of the top of the mounting seat, and the contact surface of the top of the mounting seat and the bottom surface of the three-jaw chuck are fixed through the three phi 11 through holes, the three M10 bolts and the three M10 screw holes.
And a chamfer angle of 30 degrees is arranged between the lower end surface of the boss at the bottom of the mounting seat and the outer cylindrical surface, so that the mounting of the boss at the bottom of the mounting seat and the drill jig guide sleeve is facilitated.
And a chamfer angle of 30 degrees is arranged between the upper end surface of the boss at the top of the mounting seat and the outer cylindrical surface, so that the assembly of the boss at the top of the mounting seat and the positioning ring of the three-jaw chuck is facilitated.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a CNC machining center workbench expanding clamp which comprises a CNC machining center workbench and a drill jig guide sleeve in the center of the workbench, wherein the drill jig guide sleeve in the center of the workbench and the machine tool workbench is used as a reference to install an installation seat, a boss at the bottom of the installation seat is matched with the drill jig guide sleeve by using a base hole gap and is fixed through a bolt, a boss at the top of the installation seat is matched with a three-jaw chuck positioning ring by using a base hole gap and is fixed through a bolt, and the height of the installation seat is required to be set according to the minimum safety distance between the center point of a spindle and the workbench after the spindle head of the CNC machine tool is fallen down.
The connecting mode is simple and convenient to use, the boss at the bottom of the mounting seat and the boss at the top of the mounting seat are respectively connected with the drill die guide sleeve of the workbench and the positioning ring of the three-jaw chuck through the clearance fit tolerance H7/H6 of the base hole, so that the coaxial effect of the workbench, the mounting seat and the three-jaw chuck is achieved, the workpiece clamped by the three-jaw chuck is ensured to be coaxial and concentric with the workbench, the complicated working procedure of alignment when the pressing plate is adopted for clamping is saved, the mounting efficiency of the clamp is improved, and the machining precision of rotary parts is ensured. And because the suspending length of the pressing plate during clamping is not used, the interference problem on the cutter in the machining process is reduced, the working efficiency is effectively improved, the machining precision is improved, the safety of the machining is improved, and the time for replacing the cutter handle or the cutter due to the interference problem is saved. And the installation is simple and convenient, and the manufacturing cost is low.
Drawings
The utility model is further described below with reference to the accompanying drawings:
fig. 1 is a top view of a machine tool table in a CNC machining center table expansion fixture provided by the present utility model.
Fig. 2 is a front view of a mounting base in a CNC machining center table expansion fixture provided by the present utility model.
Fig. 3 is an isometric view of a three-jaw chuck in a CNC machining center table expansion fixture provided by the present utility model.
Fig. 4 is an isometric view of a workpiece clamped by a three-jaw chuck in a CNC machining center table expansion fixture provided by the utility model.
FIG. 5 is an exploded view of the overall assembly of the CNC machining center table expansion fixture provided by the utility model.
Fig. 6 is an isometric view of a state of clamping a workpiece by using a workbench expansion clamp of a CNC machining center.
In the figure: 1. the machine tool comprises a machine tool workbench, a mounting seat, a three-jaw chuck, a workpiece and a drill jig guide sleeve, wherein the mounting seat, the three-jaw chuck and the drill jig guide sleeve are arranged on the machine tool workbench; the mounting seat comprises a mounting seat bottom boss, a mounting seat top boss, a mounting seat 9 phi 13 through hole, a mounting seat 10 phi 11 through hole, a mounting seat central axis 11, a mounting seat bottom contact surface 12, a mounting seat top contact surface 13, a mounting seat top contact surface 14.M10 threaded hole, a three-jaw chuck positioning ring 15, a gasket 16 and a 17.M12 bolt. M10 bolt, 19. Transition section.
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures:
the utility model provides a CNC machining center workbench expanding clamp, which comprises a machine tool workbench 1 and a three-jaw chuck 3 arranged on the machine tool workbench 1 and used for clamping a workpiece 4, as shown in fig. 6, a drill jig guide sleeve 5 is arranged at the center of the machine tool workbench 1, the aperture of the drill jig guide sleeve 5 is 100mm, the hole depth is 50mm, and the machine tool workbench 1 and the three-jaw chuck 3 are connected through a mounting seat 2 with a revolving body structure.
As shown in fig. 2, the mounting seat 2 includes a mounting seat bottom boss 7 with a cylindrical structure protruding downwards at the bottom, a disc-shaped mounting seat bottom contact surface 12 is arranged above the mounting seat bottom boss 7, a mounting seat top boss 8 with a cylindrical structure protruding upwards is arranged at the top of the mounting seat 2, a disc-shaped mounting seat top contact surface 13 is arranged below the mounting seat top boss 8, the mounting seat bottom boss 12 and the mounting seat top contact surface 13 are connected through a transition section 19 with a cylindrical structure, the mounting seat bottom boss 7, the mounting seat bottom contact surface 12, the mounting seat top boss 8, the mounting seat top contact surface 13 and the transition section 19 are integrally formed and coaxially arranged to form a mounting seat central axis 11, the mounting seat bottom boss 7 is inserted into the drill jig guide sleeve 5, the mounting seat bottom contact surface 12 is attached to and fixedly connected with the working surface of the machine tool workbench 1, the mounting seat top boss 8 is inserted into a three-jaw positioning ring 15 at the bottom of the three-jaw chuck 3, and the mounting seat top contact surface 13 is attached to and fixedly connected with the bottom surface of the three-jaw chuck 3.
In the embodiment, the boss 7 at the bottom of the mounting seat and the drill jig guide sleeve 5 of the machine tool workbench 1 are in clearance fit by adopting a base hole, and the tolerance is H7/H6, so that the central axis 11 of the mounting seat coincides with the central axis of the machine tool workbench 1. The boss 8 at the top of the mounting seat and the positioning ring 15 of the three-jaw chuck are in clearance fit by adopting a base hole, and the tolerance is H7/H6, so that the central axis 11 of the mounting seat is coincident with the central axis of the three-jaw chuck 3.
As shown in fig. 2, four phi 13 through holes 9 are uniformly arranged on the contact surface 12 at intervals on the bottom of the mounting seat, four M12 threaded holes 6 which are in one-to-one correspondence with the phi 13 through holes 9 are distributed on the periphery of the drill jig guide sleeve 5 on the working surface of the machine tool workbench 1, and the contact surface 12 on the bottom of the mounting seat and the machine tool workbench 1 are fixed through the four phi 13 through holes 9, four M12 bolts 17 and the four M12 threaded holes 6. The four M12 bolts 17 are sleeved with a gasket 16.
As shown in fig. 3, three M10 threaded holes 14 are uniformly arranged on the bottom surface of the three-jaw chuck 3 at intervals, three Φ11 through holes 10 corresponding to the M10 threaded holes 14 one by one are arranged on the mounting seat top contact surface 13, and the mounting seat top contact surface 13 and the bottom surface of the three-jaw chuck 3 are fixed through the three Φ11 through holes 10, the three M10 bolts 18 and the three M10 threaded holes 14.
In the embodiment, a chamfer angle of 30 degrees is arranged between the lower end face of the boss 7 at the bottom of the mounting seat and the outer cylindrical surface, so that the mounting of the boss 7 at the bottom of the mounting seat and the drill jig guide sleeve 5 is facilitated. A chamfer angle of 30 degrees is arranged between the upper end face of the boss 8 at the top of the mounting seat and the outer cylindrical surface, so that the assembly of the boss 8 at the top of the mounting seat and the three-jaw chuck positioning ring 15 is facilitated.
It will be apparent to those skilled in the art that the minimum height of the mounting base 2 can be set according to the minimum safety distance between the machine tool table 1 and the machine tool spindle in the lying state.
The utility model provides an assembly process of a CNC machining center workbench expanding clamp in use, which comprises the following steps:
the boss 7 at the bottom of the mounting seat is in clearance fit with the drill jig guide sleeve 5 of the machine tool workbench 1 by adopting a base hole, and the tolerance is H7/H6. The mounting seat bottom contact surface 12 is attached to the machine tool workbench 1, four phi 13 through holes 9 of the mounting seat bottom contact surface 12 of the mounting seat 2 are penetrated through four M12 bolts 17 and gaskets 16, and the four M12 threaded holes 6 on the machine tool workbench 1 are correspondingly screwed by using a spanner.
The boss 8 at the top of the mounting seat and the positioning ring 15 of the three-jaw chuck are in clearance fit by adopting a base hole, and the tolerance is H7/H6. The top contact surface 13 of the mounting seat is attached to the bottom surface of the three-jaw chuck 3, three phi 11 through holes 10 of the top contact surface 13 of the mounting seat 2 are penetrated in a reverse mode through three M10 bolts 18, and the three M10 threaded holes 14 corresponding to the bottom surface of the three-jaw chuck 3 are screwed by using a spanner.
Wherein, the 30 degree chamfer treatment is all done to mount pad bottom boss 7 and mount pad top boss 8 edge, and its effect is convenient for assemble.
And finally, the three-jaw chuck 3 clamps the workpiece 4 for processing.
Claims (8)
1. The utility model provides a CNC machining center workstation expansion anchor clamps, including lathe workstation (1) and three-jaw chuck (3) that are used for centre gripping work piece (4) that set up on lathe workstation (1), there is a jig guide pin bushing (5) in the center department of lathe workstation (1), a serial communication port, lathe workstation (1) and three-jaw chuck (3) are connected through mount pad (2) of a solid of revolution structure, mount pad (2) are including being located the mount pad bottom boss (7) of the downwardly protruding cylinder structure of bottom, mount pad bottom boss (7) top has mount pad bottom contact surface (12) of disc, the top of mount pad (2) has mount pad top boss (8) of upwardly protruding cylinder structure, there is mount pad top contact surface (13) of disc-shaped mount pad top boss (8) below, connect through changeover portion (19) of a cylinder structure between mount pad bottom contact surface (12) and the mount pad top contact surface (13), mount pad bottom boss (7), mount pad bottom contact surface (12), mount pad top boss (8), mount pad top contact surface (13) and changeover portion (19) and coaxial line form the boss (11) of the coaxial line of center axis, form and insert in mount pad (5) and install in boss (5), the contact surface (12) at the bottom of the mounting seat is attached to and fixedly connected with the working surface of the machine tool workbench (1), the boss (8) at the top of the mounting seat is inserted into the three-jaw chuck locating ring (15) at the bottom of the three-jaw chuck (3), and the contact surface (13) at the top of the mounting seat is attached to and fixedly connected with the bottom surface of the three-jaw chuck (3).
2. The expanding fixture for the CNC machining center workbench according to claim 1, wherein a boss (7) at the bottom of the mounting seat and a drill jig guide sleeve (5) of a machine tool workbench (1) are in clearance fit with each other by adopting a base hole, and the tolerance is H7/H6, so that a central axis (11) of the mounting seat is coincident with a central axis of the machine tool workbench (1).
3. The expanding fixture for the CNC machining center workbench according to claim 1, wherein a boss (8) at the top of the mounting seat and a positioning ring (15) of the three-jaw chuck are in clearance fit by adopting a base hole, and the tolerance is H7/H6, so that a central axis (11) of the mounting seat is coincident with a central axis of the three-jaw chuck (3).
4. The CNC machining center workbench expanding clamp according to claim 1, wherein four phi 13 through holes (9) are uniformly arranged on a contact surface (12) at the bottom of a mounting seat at intervals, four M12 threaded holes (6) which are in one-to-one correspondence with the phi 13 through holes (9) are distributed on the periphery of a drill jig guide sleeve (5) on the working surface of a machine tool workbench (1), and the contact surface (12) at the bottom of the mounting seat and the machine tool workbench (1) are fixed through the four phi 13 through holes (9), four M12 bolts (17) and the four M12 threaded holes (6).
5. The CNC machining center table expansion fixture of claim 4, wherein each of the four M12 bolts (17) is sleeved with a spacer (16).
6. The expanding fixture for the CNC machining center workbench according to claim 1, wherein three M10 threaded holes (14) are uniformly arranged on the bottom surface of the three-jaw chuck (3) at intervals, three phi 11 through holes (10) which are in one-to-one correspondence with the M10 threaded holes (14) are arranged on the top contact surface (13) of the mounting seat, and the top contact surface (13) of the mounting seat is fixed with the bottom surface of the three-jaw chuck (3) through the three phi 11 through holes (10), the three M10 bolts (18) and the three M10 threaded holes (14).
7. The expansion fixture for the workbench of the CNC machining center according to any one of claims 1 to 6, wherein a chamfer angle of 30 degrees is arranged between the lower end face of the boss (7) at the bottom of the mounting seat and the outer cylindrical surface, so that the boss (7) at the bottom of the mounting seat and the drill jig guide sleeve (5) are assembled.
8. The expansion fixture for a CNC machining center workbench according to any one of claims 1 to 6, wherein a chamfer angle of 30 ° is provided between the upper end surface of the mount top boss (8) and the outer cylindrical surface, facilitating assembly of the mount top boss (8) with the three-jaw chuck positioning ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321936137.9U CN220330013U (en) | 2023-07-21 | 2023-07-21 | CNC machining center workstation expands anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321936137.9U CN220330013U (en) | 2023-07-21 | 2023-07-21 | CNC machining center workstation expands anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220330013U true CN220330013U (en) | 2024-01-12 |
Family
ID=89446619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321936137.9U Active CN220330013U (en) | 2023-07-21 | 2023-07-21 | CNC machining center workstation expands anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220330013U (en) |
-
2023
- 2023-07-21 CN CN202321936137.9U patent/CN220330013U/en active Active
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