CN220093797U - Workpiece clamping device for four-axis machining center - Google Patents
Workpiece clamping device for four-axis machining center Download PDFInfo
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- CN220093797U CN220093797U CN202320471092.6U CN202320471092U CN220093797U CN 220093797 U CN220093797 U CN 220093797U CN 202320471092 U CN202320471092 U CN 202320471092U CN 220093797 U CN220093797 U CN 220093797U
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- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
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Abstract
The utility model discloses a workpiece clamping device for a four-axis machining center, which comprises a mounting base, wherein the left side and the right side of the top of the mounting base are respectively connected with an active rotating axle box and a free rotating axle box through bolts, output shafts of the active rotating axle box and the free rotating axle box are respectively connected with a mounting turntable through bolts, and positioning mechanisms are welded on the opposite sides of the left mounting turntable and the right mounting turntable. According to the utility model, through the matched use of the mounting base, the active rotating axle box, the mounting turntable, the double-headed screw, the workpiece body, the free rotating axle box, the supporting frame, the clamping screw, the upper clamping plate, the plugboard, the clamping plate, the lower clamping plate, the positioning groove, the pull rod, the fixed shell, the movable plate, the positioning plate, the plugboard, the positioning groove, the positioning pin and the positioning spring, the clamping device has the advantages of quicker workpiece clamping operation, improved clamping efficiency, convenience in dismounting and mounting the clamping device, more convenience in maintenance and reduced working intensity of personnel.
Description
Technical Field
The utility model relates to the technical field of four-axis machining centers, in particular to a workpiece clamping device for a four-axis machining center.
Background
The numerical control milling machine is also called CNC milling machine, is an automatic processing device developed on the basis of a general milling machine, has basically the same processing technology and somewhat similar structure, is divided into two main types without a tool magazine and with the tool magazine, and has six degrees of freedom, namely X, Y, Z three linear displacement degrees of freedom and A, B, C three rotational displacement degrees of freedom corresponding to the six degrees of freedom when a general workpiece is not positioned in space. In general, the three-axis machining center is used for machining objects through X, Y, Z three linear axes, and the four axes are added with an A rotation axis on the basis of three axes, namely X, Y, Z, A four degrees of freedom of displacement.
The four-axis machining center is mainly used for machining planes, grooves and curved surfaces, is a product which is the fastest in development in a numerical control machine tool, is the most widely applied machine tool, is suitable for the fields of machining, dies, ship industry, automobiles, parts, aerospace and the like, the clamping device is one of important components of the four-axis machining center and is mainly used for clamping and fixing workpieces, the existing workpiece clamping device is complex in operation in the workpiece clamping process, the clamping efficiency is low, the clamping device is inconvenient to assemble and disassemble, inconvenience is brought to maintenance and replacement, and the working strength of personnel is increased.
Disclosure of Invention
The utility model aims to provide a workpiece clamping device for a four-axis machining center, which has the advantages of quicker workpiece clamping operation, improved clamping efficiency, convenience in disassembly and assembly of the clamping device, more convenience in maintenance and reduction of working strength of personnel, and solves the problems that the existing workpiece clamping device is complex in operation in the process of clamping workpieces, low in clamping efficiency, inconvenient in disassembly and assembly of the clamping device, inconvenient in maintenance and replacement and increased in working strength of personnel.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a work piece clamping device for four-axis machining center, includes the installation base, the left and right sides at installation base top has initiative rotatory axle box and free rotation axle box through bolted connection respectively, the output shaft of initiative rotatory axle box and free rotation axle box all has the installation carousel through bolted connection, and two relative one sides of installation carousel all weld positioning mechanism about, positioning mechanism keeps away from one side grafting of installation carousel has clamping mechanism, and the centre gripping has the work piece body between two clamping mechanism about.
Preferably, the clamping mechanism comprises a supporting frame, the front and back both sides that the support frame is close to installation carousel one side all weld the plugboard, the top of support frame runs through swing joint and has double-end screw rod, the bottom of double-end screw rod and the bottom swing joint of support frame inner chamber, the top and the bottom on double-end screw rod surface are threaded sleeve respectively and are equipped with punch holder and lower plate, the top through-thread connection of punch holder has the clamping screw, the bottom swing joint of clamping screw has the clamping plate, the front and back both sides of support frame inner chamber all fixedly connected with guide bar, the surface of front and back two guide bars respectively with punch holder and lower plate front and back both sides sliding connection.
Preferably, the top and the bottom of double-end screw rod surface have seted up left-hand thread and right-hand thread respectively, the top fixedly connected with of double-end screw rod changes the handle, the constant head tank has all been seted up to the top and the bottom of plugboard.
Preferably, the positioning mechanism comprises a positioning plate, inserting grooves are formed in the front side and the rear side of one side, far away from the installation turntable, of the positioning plate, a fixing shell is welded at the top and the bottom of the positioning plate, a movable plate is connected to the inner cavity of the fixing shell in a sliding mode, positioning pins are welded at the front side and the rear side of the opposite sides of the upper movable plate and the lower movable plate, one side, far away from the movable plate, of the positioning pins penetrates through the inner cavity of the inserting grooves, positioning springs and pull rods are welded on one side, far away from the positioning pins, of the movable plate respectively, and one side, far away from the movable plate, of the pull rod penetrates through the outer side of the fixing shell.
Preferably, a chamfer is formed on one side, away from the movable plate, of the positioning pin, and a pull plate is fixedly connected to one side, away from the movable plate, of the pull rod.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model has the advantages of quicker workpiece clamping operation, improved clamping efficiency, convenient disassembly and assembly of the clamping device, more convenient maintenance and reduced working strength of personnel, and is worth popularizing by the cooperation of the mounting base, the active rotary axle box, the mounting turntable, the double-headed screw, the workpiece body, the free rotary axle box, the supporting frame, the clamping screw, the upper clamping plate, the plugboard, the clamping plate, the lower clamping plate, the positioning groove, the pull rod, the fixed shell, the movable plate, the positioning plate, the plugboard, the positioning pin and the positioning spring.
Drawings
FIG. 1 is an isometric view of a construction of the present utility model;
FIG. 2 is an isometric view of a clamping mechanism of the present utility model;
FIG. 3 is a left side isometric view of the clamping mechanism of the present utility model;
fig. 4 is a cross-sectional isometric view of the positioning mechanism of the present utility model.
In the figure: 1 mounting a base, 2 positioning mechanisms, 3 driving rotation axle boxes, 4 mounting turntables, 5 double-headed screws, 6 workpiece bodies, 7 clamping mechanisms, 8 free rotation axle boxes, 9 supporting frames, 10 clamping screws, 11 upper clamping plates, 12 inserting plates, 13 clamping plates, 14 guide rods, 15 lower clamping plates, 16 positioning grooves, 17 pull rods, 18 fixing shells, 19 movable plates, 20 positioning plates, 21 inserting grooves, 22 positioning pins and 23 positioning springs.
Detailed Description
Referring to fig. 1-4, a workpiece clamping device for a four-axis machining center comprises a mounting base 1, wherein the left side and the right side of the top of the mounting base 1 are respectively connected with an active rotating axle box 3 and a free rotating axle box 8 through bolts, output shafts of the active rotating axle box 3 and the free rotating axle box 8 are respectively connected with a mounting turntable 4 through bolts, one side, opposite to the left side and the right side, of the mounting turntable 4 is welded with a positioning mechanism 2, one side, far away from the mounting turntable 4, of the positioning mechanism 2 is spliced with a clamping mechanism 7, and a workpiece body 6 is clamped between the left clamping mechanism 7 and the right clamping mechanism 7;
the clamping mechanism 7 comprises a support frame 9, plug boards 12 are welded on the front side and the rear side of one side of the support frame 9, which is close to the mounting turntable 4, a double-head screw 5 is movably connected with the top of the support frame 9 in a penetrating manner, the bottom of the double-head screw 5 is movably connected with the bottom of an inner cavity of the support frame 9, an upper clamping plate 11 and a lower clamping plate 15 are respectively sleeved on the top and the bottom of the surface of the double-head screw 5 in a threaded manner, a clamping screw 10 is connected with the top of the upper clamping plate 11 in a penetrating manner, a clamping plate 13 is movably connected with the bottom of the clamping screw 10 in a penetrating manner, guide rods 14 are fixedly connected on the front side and the rear side of the inner cavity of the support frame 9, and the surfaces of the front guide rod 14 and the rear guide rods 14 are respectively connected with the front side and the rear side of the upper clamping plate 11 and the lower clamping plate 15 in a sliding manner;
the top and the bottom of the surface of the double-head screw 5 are respectively provided with a left-handed thread and a right-handed thread, the top of the double-head screw 5 is fixedly connected with a rotating handle, and the top and the bottom of the plugboard 12 are respectively provided with a positioning groove 16;
the positioning mechanism 2 comprises a positioning plate 20, inserting grooves 21 are formed in the front side and the rear side of one side, far away from the installation turntable 4, of the positioning plate 20, a fixed shell 18 is welded at the top and the bottom of the positioning plate 20, a movable plate 19 is connected in a sliding manner in an inner cavity of the fixed shell 18, positioning pins 22 are welded at the front side and the rear side of the opposite sides of the upper movable plate 19 and the lower movable plate 19, one side, far away from the movable plate 19, of the positioning pins 22 penetrates into the inner cavity of the inserting grooves 21, positioning springs 23 and pull rods 17 are respectively welded at one side, far away from the positioning pins 22, of the movable plate 19, and one side, far away from the movable rods 17, penetrates into the outer side of the fixed shell 18;
the chamfer is arranged on one side of the locating pin 22 away from the movable plate 19, and the pull plate is fixedly connected with one side of the pull rod 17 away from the movable plate 19.
By providing the guide lever 14, the moving direction of the upper and lower clamping plates 11, 15 can be restricted;
by providing a chamfer, the locating pin 22 can be conveniently inserted into the inner cavity of the locating slot 16;
the double-end screw 5 can be conveniently rotated by arranging the rotating handle;
by providing the pulling plate, the pulling rod 17 can be pulled easily.
During the use, place the both ends about work piece body 6 respectively on controlling two lower plates 15, then clockwise rotation double-end screw rod 5, because the upper portion on double-end screw rod 5 surface is left-hand screw thread, the lower part is right-hand screw thread, like this double-end screw rod 5 is in clockwise rotation's in-process, the upper plate 11 on double-end screw rod 5 surface and lower plate 15 follow the relative movement to work piece body 6 carry out the centre gripping, after the bottom of clamping plate 13 and the top contact of work piece body 6, stop rotating double-end screw rod 5, then clockwise rotation clamping screw rod 10, clamping screw rod 10 promotes clamping plate 13 downwardly moving and further presss from both sides tight to work piece body 6, like this to the clamping of work piece body 6 is more firm, when work piece body 6 needs to take off, only anticlockwise rotation screw rod 5, the lower plate 15 on double-end screw rod 5 surface and upper plate 11 counter direction move, upper plate 11 keep away from work piece body 6 consequently, clamping operation is more swift like this, clamping efficiency has been improved, when need pull two lower 17, pull rod 17 drive the plug-in plate 17 and install the plug-in groove 21 and install the plug-in connection device after the plug-in position pin 21 is followed to the plug-in connection groove 12, the plug-in connection device is followed to the plug-in position groove is followed to the plug-in position pin 21, the plug-in position of two jack device is realized to the jack device is realized in the position of the jack device is more convenient to the jack-connection, and the jack device is followed two jack-connection after the plug-connection is followed to install the plug-in connection to the plug-in connection is followed by the plug connection and is installed in the plug connection and is required to be more convenient to be left and 20, and is left and 21.
To sum up: this four-axis machining center uses work piece clamping device, through mounting base 1, initiative rotatory axle box 3, installation carousel 4, double-end screw 5, work piece body 6, free rotation axle box 8, support frame 9, clamping screw 10, punch holder 11, plugboard 12, clamping plate 13, lower plate 15, constant head tank 16, pull rod 17, fixed shell 18, fly leaf 19, locating plate 20, plugboard 21, locating pin 22 and positioning spring 23's cooperation is used, the in-process operation of current work piece clamping device to work piece clamping is comparatively loaded down with trivial details, clamping efficiency is lower, inconvenient dismouting to clamping device has brought inconvenience for maintenance change, personnel's working strength's problem has been increased.
Claims (5)
1. Work piece clamping device for four-axis machining center, including mounting base (1), its characterized in that: the left and right sides at installation base (1) top is connected with initiative rotation axle box (3) and free rotation axle box (8) through the bolt respectively, the output shaft of initiative rotation axle box (3) and free rotation axle box (8) all has installation carousel (4) through bolted connection, and the relative one side of two installation carousels (4) all welds positioning mechanism (2) about, one side that positioning mechanism (2) kept away from installation carousel (4) is pegged graft and is had clamping mechanism (7), and the centre gripping has work piece body (6) between two clamping mechanism (7) about.
2. The workpiece clamping device for a four-axis machining center according to claim 1, wherein: clamping mechanism (7) are including support frame (9), both sides all weld around support frame (9) are close to installation carousel (4) one side have plugboard (12), the top of support frame (9) runs through swing joint and has double-end screw rod (5), the bottom of double-end screw rod (5) and the bottom swing joint of support frame (9) inner chamber, the top and the bottom of double-end screw rod (5) surface are threaded respectively the cover and are equipped with punch holder (11) and lower plate (15), the top of punch holder (11) runs through threaded connection and has clamping screw (10), the bottom swing joint of clamping screw (10) has clamping plate (13), both sides all fixedly connected with guide bar (14) around the support frame (9) inner chamber, the surface of two guide bars (14) around with punch holder (11) and lower plate (15) both sides sliding connection around respectively.
3. The workpiece clamping device for a four-axis machining center according to claim 2, wherein: left-handed threads and right-handed threads are respectively formed in the top and the bottom of the surface of the double-ended screw (5), a rotating handle is fixedly connected to the top of the double-ended screw (5), and positioning grooves (16) are formed in the top and the bottom of the plugboard (12).
4. The workpiece clamping device for a four-axis machining center according to claim 1, wherein: positioning mechanism (2) are including locating plate (20), spliced groove (21) have all been seted up to both sides around locating plate (20) were kept away from installation carousel (4) one side, fixed shell (18) have all been welded to the top and the bottom of locating plate (20), the inner chamber sliding connection of fixed shell (18) has fly leaf (19), and both sides all weld locating pin (22) around two fly leaf (19) opposite sides about, one side that fly leaf (19) were kept away from to locating pin (22) runs through to the inner chamber of spliced groove (21), one side that fly leaf (19) were kept away from locating pin (22) has welded positioning spring (23) and pull rod (17) respectively, one side that fly leaf (19) were kept away from to pull rod (17) runs through to the outside of fixed shell (18).
5. The workpiece clamping device for a four-axis machining center according to claim 4, wherein: chamfer angles are formed on one side, away from the movable plate (19), of the locating pin (22), and a pull plate is fixedly connected to one side, away from the movable plate (19), of the pull rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320471092.6U CN220093797U (en) | 2023-03-13 | 2023-03-13 | Workpiece clamping device for four-axis machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320471092.6U CN220093797U (en) | 2023-03-13 | 2023-03-13 | Workpiece clamping device for four-axis machining center |
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| Publication Number | Publication Date |
|---|---|
| CN220093797U true CN220093797U (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320471092.6U Active CN220093797U (en) | 2023-03-13 | 2023-03-13 | Workpiece clamping device for four-axis machining center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118330289A (en) * | 2024-06-12 | 2024-07-12 | 国网山东省电力公司烟台供电公司 | Electric power metering device convenient to installation |
-
2023
- 2023-03-13 CN CN202320471092.6U patent/CN220093797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118330289A (en) * | 2024-06-12 | 2024-07-12 | 国网山东省电力公司烟台供电公司 | Electric power metering device convenient to installation |
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