CN219649272U - Workpiece clamping device for numerical control machine tool - Google Patents
Workpiece clamping device for numerical control machine tool Download PDFInfo
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- CN219649272U CN219649272U CN202320663414.7U CN202320663414U CN219649272U CN 219649272 U CN219649272 U CN 219649272U CN 202320663414 U CN202320663414 U CN 202320663414U CN 219649272 U CN219649272 U CN 219649272U
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- control machine
- machine tool
- numerical control
- clamping device
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000003754 machining Methods 0.000 claims abstract description 6
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a workpiece clamping device for a numerical control machine tool, which belongs to the technical field of numerical control machine tools and comprises a machining jig plate in a machining inner cavity of the numerical control machine tool, wherein the bottom surface of the machining jig plate is connected with a supporting table in a rotating way, inner pulling plates acting on the inner wall of a hollow cylindrical workpiece are detachably arranged on the top surfaces of opposite ends of two movable plates, fixed vertical plates are welded on the top surfaces of one end of the two movable plates facing back, the opposite sides of the two fixed vertical plates are connected with outer clamping plates acting on the outer wall of the hollow cylindrical workpiece through hydraulic push-pull mechanisms, and a driving mechanism for driving the two movable plates to move relatively is further arranged in the machining jig plate. The workpiece clamping device for the numerical control machine tool not only has an internal pulling structure, but also has an external clamping structure, and the bidirectional clamping effect is achieved, so that the clamping stability of the workpiece clamping device is improved, and the use of different occasions is achieved.
Description
Technical Field
The utility model belongs to the technical field of numerical control machine tools, and particularly relates to a workpiece clamping device for a numerical control machine tool.
Background
The basic components of the numerical control machine tool comprise a processing program carrier, a numerical control device, a servo driving device, a machine tool main body and other auxiliary devices. In the numerical control machine tool processing production process, work pieces of cylindrical shells with different outer diameters need to be processed, but when the existing numerical control machine tool clamps the cylindrical shells, an external centripetal clamping mode is generally adopted to clamp the outer walls of the cylindrical shells through clamping plates, but the traditional clamping mode has single acting force on the work pieces, cannot clamp the work pieces in two directions, and when a cutter of the numerical control machine tool applies force on the work pieces, the work pieces are easy to topple over, and the stability is lower.
Through searching, as in the current document with the Chinese patent number ZL202121867870.0, the novel high-strength plastic bottle comprises an underframe, clamping plates are arranged on two sides above the underframe, a plurality of rollers are arranged in the clamping plates, threaded pipes are connected to one ends of the two clamping plates, which are far away from each other, and a reinforcing component is arranged between the two clamping plates; the strong assembly comprises an air suction main pipe, a mounting plate, an air suction fan, a sucker, an air suction branch pipe and an air hole, wherein the mounting plate is arranged on one side of the bottom frame, and the air suction fan is arranged above the mounting plate.
It is known that the above-cited patent documents have the same problems that the clamping manner has a single acting force on the workpiece, the workpiece cannot be clamped in two directions, and when the tool of the numerical control machine tool is applied to the workpiece, the workpiece is easy to topple over, and the stability is low.
Disclosure of Invention
The utility model aims to provide a workpiece clamping device for a numerical control machine tool, which aims to solve the problems in the prior art.
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 digit control machine tool, includes the processing tool board in digit control machine tool processing inner chamber, the bottom surface of processing tool board is rotated and is connected with a brace table, rectangular mounting groove has transversely been seted up to the top surface intermediate position of processing tool board, symmetrical sliding connection has the removal plate in rectangular mounting groove's the inner chamber, two adopt detachable mode to install the interior drawplate that acts on the cavity cylinder work piece inner wall on the top surface of the relative one end of removal plate, two it has fixed riser to all weld to remove plate back one end top surface, two fixed riser relative one side all is connected with the outer centre gripping plate that acts on the cavity cylinder work piece outer wall through hydraulic push-pull mechanism, the inside of processing tool board still is provided with the actuating mechanism that is used for driving two removal plate relative movement.
Preferably, the driving mechanism comprises a threaded rod piece which is installed in the rectangular installation groove and provided with opposite threaded paths at two ends; and
and the servo motor is arranged on the outer wall of the machining jig plate and drives the threaded rod piece.
Preferably, the bottom surfaces of the two moving plates are welded with sliding blocks which slide in the rectangular mounting grooves in an adaptive manner, and the sliding blocks are transversely penetrated by the threaded rod pieces.
Preferably, the hydraulic push-pull mechanism comprises hydraulic push-pull rods which are respectively arranged on the inner walls of the fixed vertical plates, and the free pushing ends of the hydraulic push-pull rods are welded with the outer clamping plate.
Preferably, the top surfaces of two opposite ends of the movable plate are provided with threaded holes, and the bottom surfaces of the inner pull plates are welded with threaded columns which are connected with the threaded holes in an adaptive manner.
Preferably, two opposite sides of the outer clamping plate are symmetrically welded with positioning cross rods, and the positioning cross rods transversely penetrate through the fixed vertical plates.
Preferably, a rotating motor is longitudinally embedded in the top surface of the supporting table, and an output shaft at the top of the rotating motor is connected with the processing jig plate.
Preferably, connecting plates are symmetrically welded at the lower parts of the outer walls of the two sides of the supporting table, and are arranged on the bottom wall of the processing inner cavity of the numerical control machine tool through bolts.
Compared with the prior art, the utility model has the technical effects and advantages that:
this work piece clamping device for digit control machine tool installs brace table and processing tool board in the processing inner chamber of digit control machine tool, actuating mechanism drives two removal plates and centripetally removes in the rectangle mounting groove, make two interior draw plates be close to, establish hollow cylinder work piece cover on two interior draw plates, actuating mechanism drives two removal plates and moves in opposite directions, make two interior draw plates carry out opposite directions internal pulling to it at hollow cylinder work piece, hydraulic pressure push-pull mechanism drives outer centre gripping plate and carries out centripetally centre gripping at outside hollow cylinder work piece simultaneously, compared with prior art, not only have interior drawing structure, have outside centre gripping structure simultaneously, satisfy the effect of two-way centre gripping, thereby improve its centre gripping stability, satisfy the use of different occasions.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the split structure of the moving plate and the inner pull plate of the present utility model;
FIG. 3 is a schematic view of the structure of the threaded rod of the present utility model;
fig. 4 is a schematic view of a mounting structure of a rotary electric machine and a support table according to the present utility model.
Reference numerals illustrate:
in the figure: 1. processing a jig plate; 2. a support table; 3. a servo motor; 4. rectangular mounting grooves; 5. a moving plate; 6. an inner pull plate; 7. an outer clamping plate; 8. fixing the vertical plate; 9. a threaded column; 10. a threaded hole; 11. a sliding block; 12. a hydraulic push-pull rod; 13. positioning the cross bar; 14. a threaded rod; 15. a limiting ring; 16. a rotating electric machine; 17. a motor mounting port; 18. and (5) connecting a plate.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.
The embodiment discloses work piece clamping device for digit control machine tool as shown in fig. 1-4, including processing tool board 1 in digit control machine tool processing inner chamber, processing tool board 1's bottom surface changes to be connected with a brace table 2, the longitudinal embedded rotating electrical machines 16 that have of top surface of brace table 2, the output shaft and the processing tool board 1 at rotating electrical machines 16 top are connected, the both sides outer wall lower part symmetry welding of brace table 2 has connecting plate 18, connecting plate 18 passes through the bolt mounting on the processing inner chamber diapire of digit control machine tool, the motor mounting mouth 17 that is used for installing rotating electrical machines 16 has been seted up in the middle of the top surface of brace table 2.
The embodiment discloses processing tool board 1's top surface intermediate position transversely has seted up rectangle mounting groove 4, symmetrical sliding connection has movable plate 5 in the inner chamber of rectangle mounting groove 4, adopt detachable mode to install on the top surface of two movable plate 5 relative one ends and act on the interior wall of cavity cylinder work piece and draw plate 6, two movable plate 5 all weld fixed riser 8 to back one end top surface, two fixed riser 8 relative one side all are connected with the outer centre gripping plate 7 that acts on the cavity cylinder work piece outer wall through hydraulic push-pull mechanism, hydraulic push-pull mechanism is including installing the hydraulic push-pull rod 12 on fixed riser 8 inner wall respectively, hydraulic push-pull rod 12's free push end and outer centre gripping plate 7 welding.
The processing jig plate 1 disclosed in this embodiment is further provided with a driving mechanism for driving the two moving plates 5 to move relatively, the driving mechanism including a threaded rod 14 which is rotatably mounted in the rectangular mounting groove 4 and has opposite threaded paths at both ends, and a servo motor 3 which is mounted on the outer wall of the processing jig plate 1 and drives the threaded rod 14.
The bottom surfaces of the two moving plates 5 disclosed in this embodiment are welded with sliding blocks 11 which are adapted to slide in the rectangular mounting grooves 4, the sliding blocks 11 are transversely penetrated by threaded rods 14, threaded holes 10 are formed in the top surfaces of the opposite ends of the two moving plates 5, threaded columns 9 which are adapted to be connected with the threaded holes 10 are welded on the bottom surfaces of the inner pulling plates 6, positioning cross rods 13 are symmetrically welded on the opposite sides of the two outer clamping plates 7, and the positioning cross rods 13 transversely penetrate through the fixed vertical plates 8.
When the inner pulling plate 6 disclosed in the embodiment is not needed to be used, the inner pulling plate 6 can be rotated, so that the threaded column 9 is separated from the threaded hole 10.
Two thread paths of the threaded rod piece 14 disclosed in the embodiment are opposite to each other, and are symmetrically welded with a limiting ring 15 at the periphery of the threaded rod piece 14, wherein the limiting ring 15 is used for limiting the sliding block 11 and preventing movement beyond the stroke.
Principle of operation
This work piece clamping device for digit control machine tool installs brace table 2 on the processing inner chamber diapire of digit control machine tool through the bolt, when needing to adjust the angle of processing tool board 1, open rotating electrical machines 16, rotating electrical machines 16 drive processing tool board 1 and change its angle, and when needing to carry out the centre gripping to hollow cylinder work piece, open servo motor 3, servo motor 3 forward rotation, drive screw member 14 rotation, under the design of two opposite screw thread way, drive two removal plates 5 centripetal removal through slider 11, thereby make two interior pulling plate 6 be close to, with hollow cylinder work piece cover to two interior pulling plate 6, servo motor 3 reverse rotation, drive two removal plates 5 and move in opposite directions, make two interior pulling plate 6 one side butt in opposite directions to the inner wall of hollow cylinder work piece, the hollow cylinder work piece carries out the internal pulling (outside pulling), cooperation hydraulic pressure pole 12 carries out outside centre gripping through outer centre gripping plate 7 simultaneously the hollow cylinder work piece.
It should be noted that relational terms such as one and two are 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. Moreover, 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. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a work piece clamping device for digit control machine tool, includes processing tool board (1) in digit control machine tool processing inner chamber, its characterized in that: the bottom surface of processing tool board (1) changes to and is connected with a brace table (2), rectangle mounting groove (4) have transversely been seted up to the top surface intermediate position of processing tool board (1), symmetrical sliding connection has movable plate (5) in the inner chamber of rectangle mounting groove (4), two adopt detachable mode to install on the top surface of movable plate (5) relative one end and act on interior pull plate (6) on the cavity cylinder work piece inner wall, two fixed riser (8) have all been welded to movable plate (5) back one end top surface, two fixed riser (8) are all connected with outer centre gripping plate (7) that are used for cavity cylinder work piece outer wall through hydraulic push-pull mechanism to a side, the inside of processing tool board (1) still is provided with the actuating mechanism who is used for driving two movable plate (5) relative movement.
2. The workpiece clamping device for a numerical control machine tool according to claim 1, characterized in that: the driving mechanism comprises a threaded rod piece (14) which is arranged in the rectangular installation groove (4) in a turning way and provided with opposite threaded paths at two ends; and
and the servo motor (3) is arranged on the outer wall of the machining jig plate (1) and drives the threaded rod piece (14).
3. The workpiece clamping device for a numerical control machine tool according to claim 2, characterized in that: the bottom surfaces of the two moving plates (5) are welded with sliding blocks (11) which slide in a matched manner in the rectangular mounting grooves (4), and the sliding blocks (11) are transversely penetrated by threaded rod pieces (14).
4. A workpiece clamping device for a numerical control machine tool according to claim 3, characterized in that: the hydraulic push-pull mechanism comprises hydraulic push-pull rods (12) which are respectively arranged on the inner wall of the fixed vertical plate (8), and the free pushing ends of the hydraulic push-pull rods (12) are welded with the outer clamping plate (7).
5. The workpiece clamping device for a numerical control machine tool according to claim 4, wherein: threaded holes (10) are formed in the top surfaces of the two opposite ends of the movable plate (5), and threaded columns (9) which are connected with the threaded holes (10) in an adaptive mode are welded on the bottom surfaces of the inner pull plates (6).
6. The workpiece clamping device for a numerical control machine tool according to claim 5, wherein: two outer centre gripping plate (7) are opposite one side symmetry welding has location horizontal pole (13), location horizontal pole (13) transversely run through fixed riser (8).
7. A workpiece clamping device for a numerical control machine tool according to any one of claims 1 to 6, characterized in that: the top surface of supporting bench (2) is embedded in the longitudinal direction has rotating electrical machines (16), the output shaft at rotating electrical machines (16) top is connected with processing tool board (1).
8. The workpiece clamping device for a numerical control machine tool according to claim 7, wherein: connecting plates (18) are symmetrically welded at the lower parts of the outer walls of the two sides of the supporting table (2), and the connecting plates (18) are mounted on the bottom wall of the processing inner cavity of the numerical control machine tool through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320663414.7U CN219649272U (en) | 2023-03-23 | 2023-03-23 | Workpiece clamping device for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320663414.7U CN219649272U (en) | 2023-03-23 | 2023-03-23 | Workpiece clamping device for numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219649272U true CN219649272U (en) | 2023-09-08 |
Family
ID=87856127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320663414.7U Active CN219649272U (en) | 2023-03-23 | 2023-03-23 | Workpiece clamping device for numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219649272U (en) |
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2023
- 2023-03-23 CN CN202320663414.7U patent/CN219649272U/en active Active
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