CN212145360U - Clamping and positioning device for numerical control milling machine - Google Patents
Clamping and positioning device for numerical control milling machine Download PDFInfo
- Publication number
- CN212145360U CN212145360U CN202020967444.3U CN202020967444U CN212145360U CN 212145360 U CN212145360 U CN 212145360U CN 202020967444 U CN202020967444 U CN 202020967444U CN 212145360 U CN212145360 U CN 212145360U
- Authority
- CN
- China
- Prior art keywords
- clamping
- gear
- block
- positioning device
- milling machine
- 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
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model belongs to the field of machining, in particular to a clamping and positioning device for a numerical control milling machine, which comprises a clamping mechanism, wherein the clamping mechanism comprises a transmission component and a fixed block fixed at one end of the transmission component, the transmission component is connected with a clamping block in a transmission way, one side of the clamping block corresponding to the fixed block is provided with a plurality of rotating grooves, and the clamping block is also provided with a plurality of through holes corresponding to the rotating grooves; rotate the plane groove of a plurality of rotation post to corresponding with the fixed block, a plurality of rotates the plane groove of post and presss from both sides the terminal surface parallel and level of tight piece, can carry out effectual contact centre gripping to the plane part, rotate the arc limit of a plurality of rotation post to corresponding with the fixed block, but the arc limit joint of part rotates in the contained angle that post arc limit formed two, it is more stable to arc part centre gripping, switch through rotating the rotation post, can carry out the centre gripping location to plane part and arc part, need not change new anchor clamps.
Description
Technical Field
The utility model relates to the field of machining, specifically a clamping and positioning device for numerically controlled fraise machine.
Background
A jig is a device for fixing a processing object to a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig.
The clamping and positioning device of the existing numerical control milling machine adopts a vice type clamp, the structure of the clamping end face of the clamp is relatively fixed, only a single type of part can be clamped, and when clamping a clamping plane part and an arc-shaped part, different clamps need to be replaced, so that the clamping is relatively labor-consuming. Accordingly, a clamping and positioning device for a numerically controlled milling machine is provided by those skilled in the art to solve the problems set forth in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a clamping and positioning device for numerically controlled fraise machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a clamping and positioning device for a numerical control milling machine comprises a clamping mechanism, wherein the clamping mechanism comprises a transmission member and a fixed block fixed at one end of the transmission member, the transmission member is connected with a clamping block in a transmission manner, one side, corresponding to the fixed block, of the clamping block is provided with a plurality of rotating grooves, the clamping block is further provided with a plurality of through holes corresponding to the rotating grooves, the bottom surface of the clamping block is provided with mounting grooves corresponding to the rotating grooves and the through holes, the clamping block is provided with a plurality of switching mechanisms, each switching mechanism comprises a rotating column and a transmission gear coaxially fixed at the bottom end of the rotating column, the rotating column is rotatably connected in the rotating grooves, one side of the rotating column is provided with a plane groove, the transmission gear rotates in the mounting grooves, the through holes are spliced with rotating shafts, and the bottom end of each rotating shaft is coaxially fixed, the driving gear rotates in the mounting groove, the mounting groove internal rotation is connected with conversion gear, drive gear drive the driving gear all with conversion gear meshing, the coaxial fixedly connected with stop gear in top of axis of rotation, the coaxial fixedly connected with joint piece in top of stop gear, the top surface of pressing from both sides tight piece install a plurality of with the locking mechanism that the shifter corresponds.
As a further aspect of the present invention: the top surface of the clamping block is provided with a regular hexagonal groove.
As a further aspect of the present invention: the locking mechanism comprises an installation block and a screw rod which is in threaded connection with the installation block and penetrates through the installation block, the installation block is fixed to the top surface of the clamping block, one end of the screw rod is fixedly connected with a meshing block, the meshing block slides on the top surface of the clamping block and corresponds to the limiting gear, and the other end of the screw rod is fixedly connected with a hand wheel.
As a further aspect of the present invention: the hand wheel and the lead screw are coaxially fixed, and the diameter of the hand wheel is larger than that of the lead screw.
As a further aspect of the present invention: and anti-skid grains are arranged on the periphery of the side wall of the hand wheel.
As a further aspect of the present invention: the transmission gear, the conversion gear and the bottom surface of the driving gear are all located inside the mounting groove.
As a further aspect of the present invention: the circle centers of the transmission gear, the conversion gear and the driving gear are on the same straight line.
Compared with the prior art, the beneficial effects of the utility model are that:
when carrying out the centre gripping to the plane part, rotate the plane groove of a plurality of rotation post to corresponding with the fixed block, a plurality of rotates the plane groove of post and presss from both sides the terminal surface parallel and level of tight piece, can carry out effectual contact centre gripping to the plane part, when needs carry out the centre gripping to convex part, rotate the arc limit of a plurality of rotation post to corresponding with the fixed block, adjacent two arc limits that rotate the post can form the contained angle, but the arc limit joint of part rotates in the contained angle that post arc limit formed two, the increase is to the contact centre gripping point on part arc limit, it is more stable to arc part centre gripping, switch through rotating the rotation post, can carry out the centre gripping location to plane part and arc part, need not more renew anchor clamps.
Drawings
FIG. 1 is a schematic structural diagram of a clamping and positioning device for a numerically controlled milling machine;
FIG. 2 is a schematic diagram of a switching mechanism used in a clamping and positioning device of a numerically controlled milling machine;
FIG. 3 is a schematic view of a rotary column used in a clamping and positioning device of a numerically controlled milling machine;
fig. 4 is a schematic structural diagram of a locking mechanism in a clamping and positioning device for a numerically controlled milling machine.
In the figure: 1. a clamping mechanism; 101. a rotating groove; 102. a through hole; 103. mounting grooves; 11. a transmission member; 12. a fixed block; 13. a clamping block; 2. a switching mechanism; 201. a planar slot; 21. rotating the column; 22. a transmission gear; 23. a switching gear; 24. a rotating shaft; 25. a driving gear; 26. a limit gear; 27. a clamping block; 3. a locking mechanism; 31. mounting blocks; 32. a screw rod; 33. an engagement block; 34. a handwheel.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, a clamping and positioning device for a numerically controlled milling machine includes a clamping mechanism 1, the clamping mechanism 1 includes a transmission member 11 and a fixed block 12 fixed at one end thereof, the transmission member 11 is connected with a clamping block 13 in a transmission manner, one side of the clamping block 13 corresponding to the fixed block 12 is provided with a plurality of rotating grooves 101, the clamping block 13 is further provided with a plurality of through holes 102 corresponding to the rotating grooves 101, the bottom surface of the clamping block 13 is provided with mounting grooves 103 corresponding to the rotating grooves 101 and the through holes 102, the clamping block 13 is provided with a plurality of switching mechanisms 2, the switching mechanisms 2 include rotating columns 21 and transmission gears 22 coaxially fixed at the bottom ends thereof, the rotating columns 21 are rotatably connected in the rotating grooves 101, one side of the rotating columns 21 is provided with plane grooves 201, the transmission gears 22 are rotated in the mounting grooves 103, the through holes 102 are rotatably, the bottom coaxial fixation of axis of rotation 24 has driving gear 25, and driving gear 25 rotates in mounting groove 103, and the mounting groove 103 internal rotation is connected with conversion gear 23, and drive gear 22, driving gear 25 all mesh with conversion gear 23, the coaxial fixedly connected with stop gear 26 in axis of rotation 24's top, the coaxial fixedly connected with joint piece 27 in stop gear 26's top, the top surface of pressing from both sides tight piece 13 and installing the locking mechanism 3 that a plurality of corresponds with shifter 2.
In this embodiment: the transmission component 11 is a known technology in the prior art, and specifically comprises a base and a transmission rod rotating at the middle position thereof, the transmission rod is in transmission connection with a transmission block, a clamping block 13 is fixedly connected with the transmission block, when a planar part is clamped, the planar grooves 201 of a plurality of rotating columns 21 are rotated to correspond to the fixed block 12, the planar grooves 201 of a plurality of rotating columns 21 are flush with the end surface of the clamping block 13, so that the planar part can be effectively clamped in a contact manner, when an arc-shaped part needs to be clamped, the arc-shaped edges of a plurality of rotating columns 21 are rotated to correspond to the fixed block 12, the arc-shaped edges of two adjacent rotating columns 21 form an included angle, the arc-shaped edges of the part can be clamped in the included angle formed by the arc-shaped edges of the two rotating columns 21, so that the contact clamping point of the arc-shaped edges of the part is increased, the arc-shaped part is clamped more stably, and the rotating columns 21 are switched by rotating, need not change new anchor clamps, when rotating post 21, use hexagonal spanner and joint piece 27 joint, then rotate limit gear 26 and axis of rotation 24, the driving gear 25 synchronous rotation of axis of rotation 24 bottom, because drive gear 22, driving gear 25 all meshes with change gear 23, make drive gear 22, driving gear 25 and change gear 23 rotate in step, drive gear 22 is when rotating, drive rotating post 21 rotates, rotate the back of finishing, it is spacing to use locking mechanism 3 to lock limit gear 26, rotating post 21 can not rotate.
In fig. 1 and 4: the top surface of the clamping block 27 is provided with a regular hexagonal groove, and a hexagonal wrench is inserted into the regular hexagonal groove on the top surface of the clamping block 27 and then rotated.
In fig. 1, 2 and 4: the locking mechanism 3 comprises a mounting block 31 and a screw rod 32 which is in threaded connection with the mounting block 31 and penetrates through the mounting block, the mounting block 31 is fixed on the top surface of the clamping block 13, one end of the screw rod 32 is fixedly connected with an engaging block 33, the engaging block 33 slides on the top surface of the clamping block 13 and corresponds to the limiting gear 26, the other end of the screw rod 32 is fixedly connected with a hand wheel 34, the screw rod 32 rotates through the hand wheel 34, the screw rod 32 moves back and forth along the mounting block 31 and drives the engaging block 33 to move, so that the engaging block 33 is engaged with or separated from the limiting gear 26, and the limiting gear 26 is locked and.
In fig. 2 and 4: hand wheel 34 is coaxial fixed with lead screw 32, the transmission of the power of being convenient for, and the diameter of hand wheel 34 is greater than the diameter of lead screw 32, and moment increases, and personnel are when rotating through hand wheel 34, and is comparatively laborsaving, and anti-skidding line has all been seted up to the lateral wall a week of hand wheel 34, the frictional force of increase and personnel's hand, and personnel can not take place the phenomenon of slippage when rotating.
In fig. 2: the bottom surfaces of the transmission gear 22, the conversion gear 23 and the driving gear 25 are all located inside the mounting groove 103, interference on sliding of the clamping block 13 cannot be caused, the circle centers of the transmission gear 22, the conversion gear 23 and the driving gear 25 are on the same straight line, transverse space of the mounting groove 103 is saved, and mounting is facilitated.
The utility model discloses a theory of operation is: when a plane part is clamped, the plane grooves 201 of the plurality of rotating columns 21 are rotated to correspond to the fixed block 12, the plane grooves 201 of the plurality of rotating columns 21 are flush with the end face of the clamping block 13, effective contact clamping can be carried out on the plane part, when an arc-shaped part needs to be clamped, the arc-shaped edges of the plurality of rotating columns 21 are rotated to correspond to the fixed block 12, an included angle can be formed between the arc-shaped edges of two adjacent rotating columns 21, the arc-shaped edges of the part can be clamped in the included angle formed by the arc-shaped edges of the two rotating columns 21, the contact clamping point of the arc-shaped edges of the part is increased, the arc-shaped part is clamped more stably, the plane part and the arc-shaped part can be clamped and positioned by rotating the rotating columns 21 through rotating and switching, a new clamp is not needed, when the rotating columns 21 are rotated, a hexagonal wrench is clamped with the clamping block 27, and then the limiting gears 26 and the rotating, the driving gear 25 synchronous rotation of axis of rotation 24 bottom, because drive gear 22, driving gear 25 all mesh with change gear 23 for drive gear 22, driving gear 25 and change gear 23 rotate in step, drive gear 22 drives the rotation post 21 when rotating and rotates, and after the rotation regulation is finished, it is spacing to use locking mechanism 3 to lock stop gear 26, and the rotation post 21 can not rotate.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a centre gripping positioner for numerically controlled fraise machine, includes fixture (1), fixture (1) includes drive disk assembly (11) and fixes fixed block (12) in its one end, drive disk assembly (11) goes up the transmission connection and presss from both sides tight piece (13), its characterized in that, press from both sides tight piece (13) and one side that fixed block (12) correspond has seted up a plurality of and has rotated groove (101), press from both sides and still set up a plurality of through hole (102) that correspond with rotate groove (101) on tight piece (13), press from both sides the bottom surface of tight piece (13) and seted up with rotate groove (101), through hole (102) corresponding mounting groove (103), press from both sides and install a plurality of shifter (2) on tight piece (13), shifter (2) include rotation post (21) and coaxial drive gear (22) of fixing in its bottom, the rotating column (21) is rotatably connected in the rotating groove (101), one side of the rotating column (21) is provided with a plane groove (201), the transmission gear (22) rotates in the mounting groove (103), the through hole (102) is rotatably inserted with a rotating shaft (24), a driving gear (25) is coaxially fixed at the bottom end of the rotating shaft (24), the driving gear (25) rotates in the mounting groove (103), a conversion gear (23) is rotationally connected in the mounting groove (103), the transmission gear (22) and the driving gear (25) are both meshed with the conversion gear (23), the top end of the rotating shaft (24) is coaxially and fixedly connected with a limit gear (26), the top end of the limit gear (26) is coaxially and fixedly connected with a clamping block (27), and a plurality of locking mechanisms (3) corresponding to the conversion mechanism (2) are arranged on the top surface of the clamping block (13).
2. The clamping and positioning device for the numerically controlled milling machine as claimed in claim 1, wherein the top surface of the clamping block (27) is provided with a regular hexagonal groove.
3. The clamping and positioning device for the numerically controlled milling machine is characterized in that the locking mechanism (3) comprises a mounting block (31) and a screw rod (32) threaded and penetrating through the mounting block (31), the mounting block (31) is fixed on the top surface of the clamping block (13), one end of the screw rod (32) is fixedly connected with an engaging block (33), the engaging block (33) slides on the top surface of the clamping block (13) and corresponds to the limit gear (26), and the other end of the screw rod (32) is fixedly connected with a hand wheel (34).
4. A clamping and positioning device for a numerically controlled milling machine according to claim 3, characterized in that the hand wheel (34) and the screw (32) are fixed coaxially, and the diameter of the hand wheel (34) is larger than that of the screw (32).
5. The clamping and positioning device for the numerically controlled milling machine as claimed in claim 3, wherein the side wall of the hand wheel (34) is provided with anti-skid threads all around.
6. A clamping and positioning device for a numerically controlled milling machine according to claim 1, wherein the bottom surfaces of the transmission gear (22), the conversion gear (23) and the driving gear (25) are located inside the mounting groove (103).
7. A clamping and positioning device for a numerically controlled milling machine according to claim 1, characterized in that the centers of the circle of the transmission gear (22), the conversion gear (23) and the driving gear (25) are on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020967444.3U CN212145360U (en) | 2020-06-01 | 2020-06-01 | Clamping and positioning device for numerical control milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020967444.3U CN212145360U (en) | 2020-06-01 | 2020-06-01 | Clamping and positioning device for numerical control milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212145360U true CN212145360U (en) | 2020-12-15 |
Family
ID=73702433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020967444.3U Active CN212145360U (en) | 2020-06-01 | 2020-06-01 | Clamping and positioning device for numerical control milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212145360U (en) |
-
2020
- 2020-06-01 CN CN202020967444.3U patent/CN212145360U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111451804A (en) | Clamp for cylindrical workpiece | |
| CN110434779B (en) | Bidirectional adjustable fixture | |
| CN208713447U (en) | A kind of steel plate fixture of machining | |
| CN103878601B (en) | A kind of self-centering Automatic-clamping centre frame on Digit Control Machine Tool | |
| CN212145360U (en) | Clamping and positioning device for numerical control milling machine | |
| CN218658169U (en) | Grinding device for gear machining | |
| CN210306110U (en) | Attack tooth machine anchor clamps | |
| CN210756478U (en) | Workpiece clamp for horizontal milling machine | |
| CN216640283U (en) | Bridge building templates link for civil engineering | |
| CN212885346U (en) | Positioning device for production and processing of stainless steel pipes | |
| CN112276617B (en) | High and adjustable spacing intensity's of protectiveness fixture for machining | |
| CN217926695U (en) | Quick positioning type copper nut | |
| CN117444325B (en) | Nut bearing surface processing lathe | |
| CN216067357U (en) | Revolving stage with adjust material plane processing angle | |
| CN214489892U (en) | CNC lathe convenient to calibration is fixed | |
| CN217413198U (en) | Multipurpose box adds clamping apparatus | |
| CN221135457U (en) | Arc-shaped machining device for polishing surface of mechanical manufactured steel tube | |
| CN216829716U (en) | Double-end stud processing clamping structure | |
| CN214685431U (en) | Clamp for machining center tooth base center hole of grinding machine | |
| CN216479806U (en) | High-precision electronic equipment fastener | |
| CN217833327U (en) | Clamping device for steel pipe machining for preventing clamping marks | |
| CN212653067U (en) | Special clamp for machining small deep holes | |
| CN214024722U (en) | Mechanical automation processing turning device | |
| CN220636520U (en) | Gear finishing equipment positioning mechanism | |
| CN216634141U (en) | Clamp automatically adapting to special-shaped workpiece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |