CN217071545U

CN217071545U - Positioning fixture for numerical control machine tool machining suitable for workpieces of different specifications

Info

Publication number: CN217071545U
Application number: CN202122828099.2U
Authority: CN
Inventors: 徐浩
Original assignee: Huai'an Xilangde Cnc Machine Tool Co ltd
Current assignee: Huai'an Xilangde Cnc Machine Tool Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-07-29
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a positioning fixture is used in digit control machine tool processing suitable for different specification work pieces, including stage body, anchor clamps and hollow dead lever, be equipped with the cavity in the stage body, be equipped with the biax motor in the cavity, the output of biax motor all is equipped with the screw rod, both sides all cup jointed the movable block that the slip set up in the cavity on the screw rod, the stage body is equipped with the stroke groove with movable block complex, the upper end of movable block is equipped with electric telescopic handle one, electric telescopic handle one's upper end is equipped with fixed block one, one side of fixed block one all is equipped with screw thread post one, be equipped with in the anchor clamps with screw thread post complex thread groove one, be equipped with thread groove two on the stage body, hollow dead lever includes the base. Compared with the prior art, the utility model the advantage lie in: the hollow workpieces such as bearings and the like can be fixed from the hollow part, the clamp can be conveniently replaced, and the position of the clamp can be adjusted to adjust the size of the workpiece which can be fixed.

Description

Positioning fixture for numerical control machine tool machining suitable for workpieces of different specifications

Technical Field

The utility model relates to an anchor clamps technical field is used in the digit control machine tool processing, specifically indicates a positioning fixture is used in digit control machine tool processing suitable for different specification work pieces.

Background

The numerical control machine tool machining processes such as cutting, turning and polishing the machined part through a mechanical structure, the machined part is contacted with a machining structure of the mechanical structure in the machining process, for example, a machining tool for turning and the like moves at a high speed, in the machining process, in order to improve the stability of the machined part in the machining process, the machining position of the machined part can be positioned by using a positioning clamp, and the machining accuracy is improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a positioning fixture is used in digit control machine tool processing suitable for different specification work pieces, can fix hollow class work pieces such as bearing from hollow, be convenient for change anchor clamps, can adjust the position of anchor clamps and can fix the size of work piece with the regulation.

In order to solve the technical problem, the utility model provides a technical scheme does: a positioning fixture for numerical control machine tool machining suitable for workpieces of different specifications comprises a table body, a fixture and a hollow fixed rod, wherein a cavity is arranged in the table body, a double-shaft motor is arranged in the cavity, screw rods are arranged at the output ends of the double-shaft motor, moving blocks which are slidably arranged in the cavity are sleeved on the screw rods on two sides of the double-shaft motor, a stroke groove matched with the moving blocks is formed in the table body, a first straight rod is arranged at the upper end of the moving block, a first fixed block is arranged at the upper end of the first straight rod, a first threaded column is arranged on one side of the first fixed block, a first threaded groove matched with the first threaded column is formed in the fixture, a second threaded groove is formed in the table body, the hollow fixed rod comprises a base, a second threaded column matched with the second threaded groove is formed at the lower end of the base, a second straight rod is arranged at the upper end of the base, and a second fixed block is arranged at the upper end of the straight rod, and springs are arranged on two sides of the second fixing block, an arc-shaped plate is arranged at one end of the second fixing block relative to the springs, and a telescopic rod which is oppositely arranged and connected with the second fixing block is arranged on one side of the arc-shaped plate.

Compared with the prior art, the utility model the advantage lie in: the double-shaft motor can drive the moving block on the screw rod to move relatively, so that the position of the adjusting clamp can be adjusted to fix the size of the workpiece, when workpieces of different types are processed and clamps of different types need to be replaced, the clamp can be replaced by one thread column matched with the thread groove, the clamp is convenient, and the arc-shaped plate matched with the spring can be used for fixing the workpieces of hollow types such as bearings from the hollow position.

As an improvement, the lower end of the moving block is provided with a guide plate, the lower end of the cavity of the table body is provided with a guide groove matched with the guide plate, and the stability of the moving block sliding in the cavity can be improved.

As an improvement, the bearing seat matched with the screw is arranged on the inner wall of the cavity, so that the rotating stability of the screw can be improved.

As an improvement, the first threaded column is provided with the positioning nut, so that the stability of the clamp mounted on the first threaded rod can be improved.

As an improvement, a rubber pad is adhered to the arc-shaped plate, so that hollow workpieces can be prevented from being scratched by the arc-shaped plate.

As an improvement, an anti-slip soft cushion is adhered to one side of the clamp, so that the friction force between the clamp and the workpiece can be increased, and the stability of clamping the workpiece by the clamp is improved.

As an improvement, oppositely arranged drawers are inserted in the table body, pull rings are arranged on the drawers on two sides, tools can be stored by using the drawers, and the drawers can be pulled by pulling the pull rings to be convenient to pull.

Drawings

Fig. 1 is a front cross-sectional view of the positioning fixture for machining the numerical control machine tool, which is suitable for workpieces with different specifications.

Fig. 2 is the utility model discloses a digit control machine tool processing positioning fixture's A enlargements suitable for different specification work pieces.

Fig. 3 is a front view of the positioning fixture for machining a numerical control machine tool, which is suitable for workpieces with different specifications.

As shown in the figure: 1. a table body; 2. a cavity; 3. a double-shaft motor; 4. a screw; 5. a moving block; 6. a bearing seat; 7. a guide plate; 8. a guide groove; 9. a straight rod I; 10. a first fixed block; 11. a first threaded column; 12. positioning a nut; 13. a first thread groove; 14. A clamp; 15. an anti-slip soft cushion; 16. a hollow fixing rod; 17. a base; 18. a second threaded column; 19. a second thread groove; 20. a second straight rod; 21. a spring; 22. a telescopic rod; 23. a second fixed block; 24. an arc-shaped plate; 25. a rubber pad; 26. a drawer; 27. a pull ring; 28. a travel slot.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A positioning fixture for numerical control machine tool machining suitable for workpieces of different specifications comprises a table body 1, fixtures 14 and hollow fixing rods 16, wherein the fixtures 14 are manufactured in various manners according to different types of workpieces, oppositely arranged drawers 26 are inserted in the table body 1, pull rings 27 are arranged on the drawers 26 on two sides, other tools can be conveniently placed in the drawers 26 by using the drawers 26, the pull rings 27 are pulled to conveniently pull the drawers 26 open, a cavity 2 is arranged in the table body 1, a double-shaft motor 3 is arranged in the cavity 2, screw rods 4 are arranged at the output ends of the double-shaft motor 3, bearing seats 6 matched with the screw rods 4 are arranged on the inner wall of the cavity 2, the rotation stability of the screw rods 4 can be improved, moving blocks 5 slidably arranged in the cavity 2 are sleeved on the screw rods 4 on two sides, guide plates 7 are arranged at the lower ends of the moving blocks 5, guide grooves 8 matched with the guide plates 7 are arranged at the lower ends of the cavity 2 of the table body 1, the stability of the sliding of the moving block 5 in the cavity 2 can be improved, the table body 1 is provided with a stroke groove 28 matched with the moving block 5, the upper end of the moving block 5 is provided with a straight rod I9, the upper end of the straight rod I9 is provided with a fixed block I10, one side of the fixed block I10 is provided with a thread column I11, a thread groove I13 matched with the thread column I11 is arranged in the clamp 14, one side of the clamp 14 is adhered with an anti-skidding cushion 15, the friction force between the clamp 14 and a clamped workpiece can be increased, the clamp 14 is prevented from scratching the workpiece, the thread column I11 is provided with a positioning nut 12, the positioning nut 12 can be screwed to improve the stability of the clamp 14 connected on the thread column I11, the table body 1 is provided with a thread groove II 19, the hollow fixed rod 16 comprises a base 17, the lower end of the base 17 is provided with a thread column II 18 matched with the thread groove II 19, the upper end of the base 17 is provided with a second straight rod 20, the upper end of the second straight rod 20 is provided with a second fixed block 23, two sides of the second fixed block 23 are provided with springs 21, two sides of the springs 21 are provided with arc-shaped plates 24 at one ends of the second fixed blocks 23, rubber pads 25 are adhered to the arc-shaped plates 24 to prevent the arc-shaped plates 24 from scraping hollow workpieces, and one sides of the arc-shaped plates 24 are provided with telescopic rods 22 which are oppositely arranged and connected with the second fixed blocks 23.

When the utility model is implemented specifically, when in use, when the size of a processed workpiece is changed, the distance between the clamps at two sides is adjusted, specifically, the double-shaft motor is opened, the output end of the double-shaft motor drives the screw rods at two sides to rotate, the movable block on the screw rod moves in the cavity and the stroke groove, the stability of the movable block movement can be improved under the matching of the guide plate and the guide groove, the movable block drives the straight rod I at the upper end, the fixed block I at the upper end of the straight rod I moves along with the straight rod I, thereby driving the clamps at two sides to move relatively, the distance between the clamps at two sides is changed, thereby the position of the clamp can be adjusted to adjust the size of the fixable workpiece, when the clamps required by the processed workpiece are different, the original clamp is rotated to be taken down from the threaded column I, then the threaded groove I of the required clamp is rotated and installed to the threaded column I, and then the positioning nut is screwed, namely, the clamp can be changed, it is comparatively convenient, when the work piece of hollow class such as needs processing bearing, install hollow dead lever on the stage body, it is concrete, rotate and screw up thread groove two on the screw thread post alignment stage body of base lower extreme, use the arc fixing bearing of mutual disposition, it is concrete, put the arc of both sides in hollow department, make the arc support the inner wall of bearing, under the elasticity of spring and the cooperation of expansion plate, the arc can be with strength support the inner wall of bearing, thereby fix the bearing, the rubber pad can prevent that the arc from scraping colored bearing, can fix hollow class work pieces such as bearing from hollow department.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a positioning fixture is used in digit control machine tool processing suitable for different specification work pieces which characterized in that: the table comprises a table body (1), a clamp (14) and a hollow fixing rod (16), wherein a cavity (2) is arranged in the table body (1), a double-shaft motor (3) is arranged in the cavity (2), screw rods (4) are arranged at the output ends of the double-shaft motor (3), moving blocks (5) which are arranged in the cavity (2) in a sliding mode are sleeved on the screw rods (4) on the two sides, a stroke groove (28) matched with the moving blocks (5) is formed in the table body (1), a straight rod I (9) is arranged at the upper end of each moving block (5), a fixing block I (10) is arranged at the upper end of each straight rod I (9), a threaded column I (11) is arranged on one side of each fixing block I (10), a threaded groove I (13) matched with the threaded column I (11) is arranged in the clamp (14), a threaded groove II (19) is formed in the table body (1), and the hollow fixing rod (16) comprises a base (17), the lower extreme of base (17) is equipped with two (18) with thread groove two (19) complex screw thread post, the upper end of base (17) is equipped with straight-bar two (20), the upper end of straight-bar two (20) is equipped with fixed block two (23), the both sides of fixed block two (23) all are equipped with spring (21), both sides spring (21) all are equipped with arc (24) in the one end of relative fixed block two (23), one side of arc (24) is equipped with relative arrangement and is connected telescopic link (22) with fixed block two (23).

2. The positioning fixture for numerically-controlled machine tool machining suitable for workpieces of different specifications as claimed in claim 1, wherein: the lower end of the moving block (5) is provided with a guide plate (7), and the lower end of the cavity (2) of the table body (1) is provided with a guide groove (8) matched with the guide plate (7).

3. The positioning fixture for numerically-controlled machine tool machining suitable for workpieces of different specifications as claimed in claim 1, wherein: and a bearing seat (6) matched with the screw rod (4) is arranged on the inner wall of the cavity (2).

4. The positioning fixture for numerically-controlled machine tool machining suitable for workpieces of different specifications as claimed in claim 1, wherein: and a positioning nut (12) is arranged on the first threaded column (11).

5. The positioning fixture for numerically-controlled machine tool machining suitable for workpieces of different specifications as claimed in claim 1, wherein: the arc-shaped plate (24) is adhered with a rubber pad (25).

6. The positioning fixture for numerically-controlled machine tool machining suitable for workpieces of different specifications as claimed in claim 1, wherein: and an anti-skid soft pad (15) is adhered to one side of the clamp (14).

7. The positioning fixture for numerically-controlled machine tool machining suitable for workpieces of different specifications as claimed in claim 1, wherein: drawers (26) which are oppositely arranged are inserted in the table body (1), and pull rings (27) are arranged on the drawers (26) on two sides.