CN213195822U

CN213195822U - Workpiece clamping device for milling machine

Info

Publication number: CN213195822U
Application number: CN202021587875.3U
Authority: CN
Inventors: 诸培红; 诸荣平; 诸定振
Original assignee: Nanjing Zhongde Machinery Manufacture Co ltd
Current assignee: Nanjing Zhongde Machinery Manufacture Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-05-14
Anticipated expiration: 2030-08-03

Abstract

The utility model provides a workpiece clamping device for a milling machine, which comprises a workbench, a base and a sliding seat and is characterized in that the base is provided with a turntable seat, the turntable seat and a first clamping block are integrated, the turntable seat is provided with the sliding seat, a lead screw is arranged in the sliding seat, one end of the lead screw is rotationally connected with the inner wall of the sliding seat, the other end of the lead screw is fixedly connected with a clamping handle, a lead screw nut is arranged on the lead screw, and a connecting rod is fixedly connected between the turntable seat and the lead screw nut; the second clamping block and the sliding seat are integrated, a sliding groove is formed in the second clamping block, a stand column is arranged inside the sliding groove, an ejector rod is arranged in the stand column, the top end of the ejector rod is connected with a pressing plate, a limiting block is arranged inside the sliding groove, and the limiting block is located on the outer side of the stand column. The utility model discloses simple structure, it is convenient firm, comparatively practical to the clamping of work piece.

Description

Workpiece clamping device for milling machine

Technical Field

The utility model belongs to the numerically controlled fraise machine field, concretely relates to workpiece clamping device for milling machine.

Background

A clamping device is a device used on a machine tool for clamping a workpiece and guiding a tool. Refers to a device specifically designed for a certain process of a certain workpiece. Its advantages are compact structure, quick and convenient operation, saving labour and high machining precision and productivity.

211072698 discloses a workpiece clamping device for numerically controlled milling machine processing, which comprises a placing table, wherein two symmetrically distributed moving grooves are arranged in the placing table, two upright posts are arranged in the two moving grooves, an ejector rod is arranged on each upright post, the top end of the ejector rod is rotatably connected with a pressure plate, one side of a positioning block close to the upright posts and the outer wall of each upright post are fixedly connected with toothed plates which are matched with each other, the other side of the positioning block is rotatably connected with a positioning rod, the positioning rod is in threaded connection with the inside of the placing table, the other end of the positioning rod extends to the outside of the placing table, the diameter of the through hole is larger than that of the screw hole, two sides of the inner wall of the moving groove are fixedly connected with limit blocks, the limit blocks are positioned at the bottom of the moving grooves, the bottom of the upright posts is fixedly, the bottom end of the placing table is fixedly connected with two clamping blocks which are symmetrically distributed, and two ends of the moving groove are provided with openings.

The problem that prior art exists, clamping device installs inconvenient diversified observation to the work piece after on the milling machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art, the utility model provides a workpiece clamping device for milling machine, operation safety, convenience, laborsaving.

The utility model provides a following technical scheme:

a workpiece clamping device for a milling machine comprises a workbench, a base and a sliding seat, wherein a T-shaped groove is formed in the workbench, the base is installed on the workbench, U-shaped grooves are formed in two sides of the base, the base is fixedly installed on the workbench through a T-shaped screw and a first nut, a turntable seat is installed on the base, and the turntable seat and a first clamping block are integrated into a whole; the novel clamping device is characterized in that the second clamping block and the sliding seat are integrated, a sliding groove is formed in the second clamping block, a stand column is arranged inside the sliding groove, a push rod is arranged in the stand column, the top end of the push rod is connected with a pressing plate, a screw hole is formed in the top end of the push rod, a screw rod is arranged inside the screw hole, a through hole is formed in the pressing plate, the screw rod penetrates upwards, the through hole extends to the outside of the pressing plate, a limiting block is arranged inside the sliding groove, and the limiting block is located on.

Preferably, the inner side wall of the cavity in the upright post and the outer side wall of the ejector rod are provided with matched threads.

Preferably, the lower end face of the pressing plate is fixedly connected with a rubber gasket.

Preferably, the diameter of the through hole is larger than the diameter of the screw hole.

The utility model has the advantages that: the clamping force on the workpiece is reliable and appropriate, the clamping deformation is within an allowable range, the surface of the workpiece is protected, the operation is safe, convenient and labor-saving, and the workpiece is ensured not to deviate in the machining process.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic diagram of an axonometric projection of the present invention;

fig. 3 is a schematic side view of the sliding seat of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Labeled as: 1. a clamping handle; 2. a screw rod; 3. a sliding seat; 4. a connecting rod; 5. a feed screw nut; 6. a first clamping block; 7. a limiting block; 8. a top rod; 9. a rubber gasket; 10. pressing a plate; 11. a screw; 12. a column; 13. A second clamping block; 14. a T-shaped screw; 15. a first nut; 16. a second nut; 17. a base; 18. a turntable base; 19. a T-shaped groove; 20. a work table; 21. a U-shaped groove; 22. a sliding groove; 23. a through hole; 24. and a screw hole.

Detailed Description

As shown in the figures, the workpiece clamping device for the milling machine comprises a workbench 20, a base 17 and a sliding seat 3, wherein a T-shaped groove 19 is formed in the workbench 20, the base 17 is mounted on the workbench 20, U-shaped grooves 21 are formed in two sides of the base 17, the base 17 is fixedly mounted on the workbench 20 through a T-shaped screw 14 and a first nut 15, a turntable seat 18 is mounted on the base 17, a second nut 16 is mounted on the turntable seat 18, so that multiple directions of a workpiece can be observed conveniently, the turntable seat 18 and a second clamping block 13 are integrated, and the workpiece clamping device is characterized in that the sliding seat 3 is arranged on the turntable seat 18;

a screw rod 2 is arranged in the sliding seat 3, one end of the screw rod 2 is rotatably connected with the inner wall of the sliding seat 3, the other end of the screw rod 2 is fixedly connected with a clamping handle 1, a screw rod nut 5 is arranged on the screw rod 2, and a connecting rod 4 is fixedly connected between the turntable seat 18 and the screw rod nut 5; first grip block 6 and sliding seat 3 are as an organic whole, are equipped with sliding tray 22 in the first grip block 6, sliding tray 22's internally mounted has stand 12, be equipped with ejector pin 8 in the stand 12, the 8 top of ejector pin is connected with clamp plate 10, fixes the vertical direction of work piece, and ejector pin 8's top has seted up screw 24, the inside screw rod 11 that is equipped with of screw 24, through-hole 23 has been seted up on clamp plate 10, the diameter of through-hole 23 is greater than the diameter of screw 24, screw rod 11 upwards runs through-hole 23 extends to clamp plate 10 is outside, sliding tray 22 is inside to be equipped with stopper 7, and stopper 7 is located the stand 12 outside.

The cavity inside wall in the stand 12 with be equipped with matched with screw on the ejector pin lateral wall, terminal surface fixedly connected with rubber gasket 9 under the clamp plate 10 prevents the skew of emergence position in the work piece course of working, effectively protects the surface of work piece.

The utility model discloses when using, base 17 passes through T type screw 14 and first nut 15 and installs on workstation 20, sliding seat 3 is installed on carousel seat 18, screw second nut 16, it is fixed with carousel seat 18, the work piece is placed between first grip block 6 and second grip block 13, it drives 2 gyration of lead screw and is linear motion to rotate clamping handle 1, lead screw 2 drives sliding seat 3 and slides toward 13 directions of second grip block, the top of moving the work piece with clamp plate 10 on the stand 12, screw rod 11 is twisted downwards, screw rod 11 top drives clamp plate 10 and laminates the work piece downwards, it is fixed with the work piece.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A workpiece clamping device for a milling machine comprises a workbench (20), a base (17) and a sliding seat (3), wherein a T-shaped groove (19) is formed in the workbench (20), the base (17) is installed on the workbench (20), U-shaped grooves (21) are formed in two sides of the base (17), the base (17) is fixedly installed on the workbench (20) through a T-shaped screw (14) and a first nut (15), a turntable seat (18) is installed on the base (17), and the turntable seat (18) and a second clamping block (13) are integrated into a whole, and is characterized in that the sliding seat (3) is arranged on the turntable seat (18);

a screw rod (2) is arranged in the sliding seat (3), one end of the screw rod (2) is rotatably connected with the inner wall of the sliding seat (3), the other end of the screw rod (2) is fixedly connected with a clamping handle (1), a screw rod nut (5) is installed on the screw rod (2), and a connecting rod (4) is fixedly connected between the turntable seat (18) and the screw rod nut (5); first grip block (6) and sliding seat (3) are as an organic whole, and are equipped with sliding tray (22) in first grip block (6), the internally mounted of sliding tray (22) has stand (12), be equipped with ejector pin (8) in stand (12), ejector pin (8) top is connected with clamp plate (10), and the top of ejector pin (8) has seted up screw (24), screw (24) inside is equipped with screw rod (11), through-hole (23) have been seted up on clamp plate (10), screw rod (11) upwards run through-hole (23) extend to clamp plate (10) are outside, inside stopper (7) that is equipped with of sliding tray (22), and stopper (7) are located the stand (12) outside.

2. The workpiece clamping device for the milling machine as claimed in claim 1, characterized in that the inner side wall of the cavity in the upright (12) and the outer side wall of the mandril are provided with matching threads.

3. A workpiece clamping device for a milling machine as claimed in claim 1, characterized in that a rubber gasket (9) is fixedly connected to the lower end surface of the pressure plate (10).

4. A workpiece clamping device for a milling machine as claimed in claim 1, characterized in that the diameter of the through hole (23) is larger than the diameter of the threaded hole (24).