CN219426205U

CN219426205U - Workpiece clamping mechanism for numerical control machine tool

Info

Publication number: CN219426205U
Application number: CN202320260317.3U
Authority: CN
Inventors: 陈丽娟; 孙益婷; 李英
Original assignee: Yixing Higher Vocational And Technical School
Current assignee: Yixing Higher Vocational And Technical School
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-28
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a workpiece clamping mechanism for a numerical control machine tool, which comprises a fixed box, wherein the bottom side of the inner wall of the fixed box is rotationally connected with a rotating shaft, the rotating shaft extends out of the fixed box, the outer part of the rotating shaft is fixedly connected with two first connecting rods which are correspondingly distributed, the top sides of the two first connecting rods are rotationally connected with second connecting rods, the top sides of the two second connecting rods are fixedly connected with fixing seats, the top sides of the two fixing seats are fixedly connected with clamping plates, the bottom side of the fixed box is fixedly connected with a shell, a transmission assembly is arranged in the shell, the bottom of the fixed box is provided with a supporting column, the bottom sides of the supporting columns are fixedly connected with the fixed assembly, workpieces with different sizes can be clamped through the structure, unnecessary workload of workers is reduced, adaptability is greatly improved, users are convenient to use, and convenience is brought to the operation of the workers.

Description

Workpiece clamping mechanism for numerical control machine tool

Technical Field

The utility model relates to the technical field of workpiece clamping of numerical control machine tools, in particular to a workpiece clamping mechanism for a numerical control machine tool.

Background

The numerical control machine tool is a numerical control machine tool, is an automatic machine tool provided with a program control system, and is operated by a numerical control device to send various control signals to control the action of the machine tool, so that parts are automatically machined according to the shape and the size required by a drawing.

Because the work piece fixture of current digit control machine tool mostly can only carry out the centre gripping to the work piece of single size, the suitability is not high, when meetting great or less work piece, need change anchor clamps and just can carry out the centre gripping to the part of equidimension, inconvenient user's use has increased the unnecessary work load of staff, work piece fixture through traditional digit control machine tool mostly is unilateral centre gripping, the clamping speed is slower, the centre gripping effect is less ideal simultaneously, because the work piece fixture of current digit control machine tool is when installing the digit control machine tool, need the staff to rely on other instruments just can install fixture inside the digit control machine tool, inconvenient user uses.

Disclosure of Invention

The utility model provides a workpiece clamping mechanism for a numerical control machine tool, which aims at solving the problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a work piece fixture for digit control machine tool, includes fixed box, the inner wall downside of fixed box rotates and is connected with the pivot, and the pivot extends outside the fixed box, the outside fixedly connected with of pivot two corresponding first connecting rods that distribute, the equal rotation in top side of two first connecting rods is connected with the second connecting rod, the equal fixedly connected with fixing base in top side of two second connecting rods, the equal fixedly connected with splint in top side of two fixing bases, the bottom side fixedly connected with casing of fixed box, the inside of casing is provided with drive assembly, the bottom of fixed box is provided with the support column, the equal fixedly connected with fixed subassembly of bottom side of support column.

Preferably, the transmission assembly comprises a crank rotating rod rotatably connected to one side of the shell, the crank rotating rod extends into the shell, a worm is fixedly sleeved on the outer portion of the crank rotating rod, and a rotating rod is rotatably connected to the bottom side of the inner wall of the shell.

Preferably, the inner wall bottom side of the shell rotates and is connected with the bull stick, the outside fixed sleeve of bull stick has cup jointed the worm wheel, the top side and the pivot fixed connection of bull stick, the meshing is connected between worm wheel and the worm, can make the pivot rotate through the worm wheel worm that sets up, and worm wheel worm has the auto-lock to when making the pivot rotate to the desired position, the pivot can not rotate.

Preferably, the top side of the fixing box is provided with a through groove, the fixing seat moves in the through groove, and the fixing seat can not rotate when moving through the arranged through groove.

Preferably, two corresponding spacing spouts of distributing have been seted up to the top side of fixed box, the inside sliding connection of spacing spout has two corresponding sliders of distributing, and the other end fixed connection of two sliders is in the bottom side of splint, through the spacing spout that sets up, can make the slider more stable when removing.

Preferably, the number of the support columns is four, the support columns are distributed at equal intervals, and the fixing box can be more stable through the four support columns.

Preferably, the fixing assembly comprises a fixing plate fixedly connected to the bottom side of the support column, and two bolts which are correspondingly distributed are connected to the inner threads of the fixing plate.

Compared with the prior art, the utility model has the beneficial effects that: when needing to be to the work piece centre gripping of equidimension, place the work piece on fixed box, rotate the crank dwang, drive worm rotation, the meshing is connected between worm and the worm wheel, drive worm wheel rotation, drive the bull stick rotation, drive the pivot rotation, first connecting rod removes, the second connecting rod begins to remove, the fixing base removes, two splint are to middle the removal, work piece centre gripping on the fixed box, can carry out the centre gripping to the work piece of equidimension not through above structure, greatly increased the suitability, the user has made things convenient for the use, when needs are fixed the fixture on the digit control machine tool, firstly place the fixture on the digit control machine tool, then remove the fixture to the screw hole of seting up on the lathe, at this moment with the bolt screw in proper order inside the screw hole, through the cooperation of bolt and screw hole, thereby fix the fixture on the digit control machine tool, the staff operates conveniently, great convenience of customers uses.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a partial cross-section of the present utility model;

fig. 4 is a schematic structural view of the transmission assembly of the present utility model.

In the figure: 1. a fixed box; 2. a rotating shaft; 3. a first link; 4. a second link; 5. a through groove; 6. a fixing seat; 7. a clamping plate; 8. a slide block; 9. limiting sliding grooves; 10. a housing; 11. a crank rotating rod; 12. a worm; 13. a worm wheel; 14. a rotating rod; 15. a support column; 16. a fixing plate; 17. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, a workpiece clamping mechanism for a numerical control machine tool comprises a fixed box 1, a rotating shaft 2 is rotatably connected to the bottom side of the inner wall of the fixed box 1, the rotating shaft 2 extends out of the fixed box 1, two corresponding distributed first connecting rods 3 are fixedly connected to the outside of the rotating shaft 2, second connecting rods 4 are rotatably connected to the top sides of the two first connecting rods 3, fixing seats 6 are fixedly connected to the top sides of the two second connecting rods 4, clamping plates 7 are fixedly connected to the top sides of the two fixing seats 6, a shell 10 is fixedly connected to the bottom side of the fixed box 1, a transmission component is arranged in the shell 10, a supporting column 15 is arranged at the bottom of the fixed box 1, a fixing component is fixedly connected to the bottom side of the supporting column 15, the transmission component comprises a crank rotating rod 11 rotatably connected to one side of the shell 10, the crank rotating rod 11 extends into the shell 10, a worm 12 is fixedly sleeved on the outside of the crank rotating rod 11, the bottom side of the inner wall of the shell 10 is rotationally connected with a rotating rod 14, the bottom side of the inner wall of the shell 10 is rotationally connected with the rotating rod 14, the outside of the rotating rod 14 is fixedly sleeved with a worm wheel 13, the top side of the rotating rod 14 is fixedly connected with a rotating shaft 2, the worm wheel 13 is in meshed connection with a worm 12, the rotating shaft 2 can rotate through the arranged worm wheel 13 and the worm 12, the worm wheel 13 and the worm 12 have self-locking function, so that when the rotating shaft 2 rotates to a desired position, the rotating shaft 2 cannot rotate, the top side of the fixed box 1 is provided with a through groove 5, the fixed seat 6 moves in the through groove 5, the fixed seat 6 cannot rotate during movement through the arranged through groove 5, the top side of the fixed box 1 is provided with two corresponding distributed limiting sliding grooves 9, the inside of the limiting sliding grooves 9 is in sliding connection with two corresponding distributed sliding blocks 8, the other ends of the two sliding blocks 8 are fixedly connected with the bottom sides of the clamping plates 7, through the spacing spout 9 that sets up, can make slider 8 more stable when removing, the quantity of support column 15 is four, and is the equidistance and distribute, through four support columns 15 that set up, can make fixed box 1 more stable, and fixed subassembly includes fixed connection at the fixed plate 16 of support column 15 downside, and the inside threaded connection of fixed plate 16 has two corresponding bolt 17 that distribute.

When in use: when the workpieces with different sizes are required to be clamped, the workpieces to be clamped are firstly placed on the fixed box 1, then the crank rotating rod 11 is rotated, the worm 12 is driven to start rotating, the worm 12 and the worm wheel 13 are meshed and connected, the worm wheel 13 is driven to start rotating through the rotation of the worm 12, then the rotating rod 14 is driven to start rotating, the rotating shaft 2 is driven to rotate, the first connecting rod 3 is driven to start moving through the rotation of the rotating shaft 2, the second connecting rod 4 which is connected to the top side of the first connecting rod 3 is driven to start moving, the fixed seat 6 is driven to move, then the two clamping plates 7 move towards the middle, so that the workpieces with different sizes can be clamped in a centering mode through the structure, the suitability is greatly improved, the clamping effect is improved, the use is convenient, when a clamping mechanism is required to be fixed on a numerical control machine tool, the clamping mechanism is firstly placed on the numerical control machine tool, then the clamping mechanism is moved to a threaded hole formed in the machine tool, the threaded hole is screwed into the threaded hole in sequence, and then the threaded hole is matched with the threaded hole 17, and the numerical control machine tool is convenient for a user to use.

It is noted that relational terms such as first and second, and the like 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.

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

1. The utility model provides a work piece fixture for digit control machine tool, includes fixed box (1), its characterized in that, the inner wall downside of fixed box (1) rotates and is connected with pivot (2), and outside fixed box (1) are extended to pivot (2), the outside fixedly connected with of pivot (2) first connecting rod (3) of two corresponding distributions, the equal rotation in top side of two first connecting rods (3) is connected with second connecting rod (4), the equal fixedly connected with fixing base (6) in top side of two second connecting rods (4), the equal fixedly connected with splint (7) in top side of two fixing bases (6), the bottom side fixedly connected with casing (10) of fixed box (1), the inside of casing (10) is provided with drive assembly, the bottom of fixed box (1) is provided with support column (15), the equal fixedly connected with fixed subassembly in bottom side of support column (15).

2. The workpiece clamping mechanism for a numerical control machine tool according to claim 1, wherein the transmission assembly comprises a crank rotating rod (11) rotatably connected to one side of the shell (10), the crank rotating rod (11) extends into the shell (10), a worm (12) is fixedly sleeved on the outer portion of the crank rotating rod (11), and a rotating rod (14) is rotatably connected to the bottom side of the inner wall of the shell (10).

3. The workpiece clamping mechanism for the numerical control machine tool according to claim 2, wherein a rotating rod (14) is rotatably connected to the bottom side of the inner wall of the shell (10), a worm wheel (13) is fixedly sleeved on the outer portion of the rotating rod (14), the top side of the rotating rod (14) is fixedly connected with the rotating shaft (2), and the worm wheel (13) is in meshed connection with the worm (12).

4. The workpiece clamping mechanism for the numerical control machine tool according to claim 1, wherein the top side of the fixed box (1) is provided with a through groove (5), and the fixed seat (6) moves in the through groove (5).

5. The workpiece clamping mechanism for the numerical control machine tool according to claim 1, wherein two corresponding distributed limiting sliding grooves (9) are formed in the top side of the fixed box (1), two corresponding distributed sliding blocks (8) are connected inside the limiting sliding grooves (9) in a sliding mode, and the other ends of the two sliding blocks (8) are fixedly connected to the bottom side of the clamping plate (7).

6. A workpiece clamping mechanism for a numerically controlled machine tool according to claim 1, characterized in that the number of support columns (15) is four and equally spaced.

7. A workpiece clamping mechanism for a numerically controlled machine tool according to claim 1, characterized in that the fixing assembly comprises a fixing plate (16) fixedly connected to the bottom side of the support column (15), and two corresponding bolts (17) are connected to the upper threads of the fixing plate (16).