CN212265200U

CN212265200U - Frock clamp for mechanical engineering

Info

Publication number: CN212265200U
Application number: CN202020751188.4U
Authority: CN
Inventors: 张天伟; 陈聪; 李群辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-01-01
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a frock clamp for mechanical engineering, be equipped with the recess above the workstation, the bottom surface rotates to connect and is equipped with the fixed column in the recess, the side all is equipped with the fixed block around the fixed column, it is equipped with the holder to rotate to connect between the fixed block, the one end that the holder is higher than the fixed column leans out the setting, the side that the fixed column is close to the holder is equipped with the screw hole, screw hole female connection is equipped with the threaded rod, the one end that the threaded rod is close to the holder is articulated with the holder, the threaded rod other end is equipped with the hand wheel, be equipped with the torsional spring between recess medial surface and the fixed column, the fixed column outside just is higher than torsional spring cup joint and is equipped with the ratchet, just be close to the ratchet above the workstation and be equipped with the square slot, the plug-in square. The utility model has the advantages that: the clamping piece is stable in clamping and more convenient to rotate to check whether the inner clamping piece is defective or not.

Description

Frock clamp for mechanical engineering

Technical Field

The utility model relates to a machine part processing technology field specifically indicates a frock clamp for mechanical engineering.

Background

With the rapid development of the CNC machining technology, the CNC machining technology is more and more widely applied to the field of machining. To the work piece of well small batch volume, add man-hour, often need press from both sides the work piece tightly through frock clamp, current frock clamp can press from both sides tightly the tool machining part for fixed structure, but often when processing the part, is not to the single face processing of part, needs diversified angle to process or inspect and process whether the part is defective, and the rotation can't be cooperated in current frock clamp most, can cooperate pivoted structure to have too complicated, with high costs.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to solve above-mentioned problem and solve above-mentioned problem, provide a rotatable simple structure's frock clamp for mechanical engineering.

In order to solve the technical problem, the utility model provides a technical scheme does: a tooling fixture for mechanical engineering comprises a workbench, wherein a groove is formed in the workbench, a fixing column is rotatably connected to the inner bottom surface of the groove, fixed blocks are arranged on the front side and the rear side of the fixing column respectively, a clamping piece is rotatably connected between the fixed blocks, one end of the clamping piece higher than the fixing column is arranged in an outward inclined manner, the upper end of the clamping piece is arranged in parallel with the fixing column, a threaded hole is formed in the side of the fixing column close to the clamping piece, a threaded rod is connected in the threaded hole in a threaded manner, one end of the threaded rod close to the clamping piece is hinged to the clamping piece, a hand wheel is arranged at the other end of the threaded rod, a torsion spring is arranged between the inner side surface of the groove and the fixing column, a ratchet wheel is sleeved outside the fixing column and higher than the torsion spring, one end of the insertion block, which extends out of the square insertion groove, is provided with a pawl matched with the ratchet wheel, and the non-return direction of the ratchet wheel is consistent with the torsion direction of the torsion spring.

Compared with the prior art, the utility model the advantage lie in: drive the holder lower extreme through rotating the threaded rod and be close to the fixed column or keep away from the fixed column, be close to the fixed column as the driven upper end of holder and press from both sides tight instrument promptly, just no longer centre gripping work piece when the fixed column is kept away from to driven upper end, in the time of inspection or processing work piece, rotatable fixed column, because the cooperation of ratchet and pawl can drive the work piece and rotate to one side, the torsional spring makes the ratchet can not reverse, 360 degrees diversified angles of being convenient for this moment are processed or are observed whether the part is processed and target in place, improve the processing qualification rate of part.

The side that holder and fixed column are relative all is equipped with the arc wall, all be equipped with the rubber pad in the arc wall, the work piece of multiple shape of centre gripping is convenient for to the arc wall, for example work piece such as circular direction, and the rubber pad is avoided hindering the work piece clamp.

The pawl is provided with a pull rod, and when the pawl rotates to a certain limit, the pawl is pulled out through the pull rod, so that the ratchet wheel automatically returns after being not limited.

The ratchet lateral surface is equipped with the safety cover, covers the ratchet, avoids the hand mistake to touch, and the protection ratchet is dustproof.

A spring is arranged between the inner bottom surface of the square slot and the insertion block, so that the square slot and the insertion block are connected, and the square slot is convenient to return.

Threaded rod lateral surface just is located to cup joint between holder and the fixed column and is equipped with spring two, increases elastic capacity and increases the centre gripping dynamics between holder upper end and the fixed column promptly indirectly.

Drawings

Fig. 1 is the utility model relates to a frock clamp's for mechanical engineering front view structure schematic diagram.

Fig. 2 is the utility model discloses a structural schematic is overlooked to mechanical engineering frock clamp's ratchet pawl.

Fig. 3 is the utility model discloses a frock clamp for mechanical engineering overlook the schematic structure.

As shown in the figure: 1. a work table; 2. a groove; 3. fixing a column; 4. a fixed block; 5. a clamping member; 6. a threaded hole; 7. a threaded rod; 8. a hand wheel; 9. a torsion spring; 10. a ratchet wheel; 11. a square slot; 12. inserting a block; 13. a pawl; 14. an arc-shaped slot; 15. a rubber pad; 16. pulling a rod; 17. a protective cover; 18. and a second spring.

Detailed Description

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

With reference to the attached

drawings

1, 2 and 3, the tooling clamp for mechanical engineering comprises a workbench 1, a groove 2 is formed in the workbench 1, a fixed column 3 is rotatably connected to the inner bottom surface of the groove 2, fixed blocks 4 are arranged on the front side and the rear side of the fixed column 3 respectively, a clamping piece 5 is rotatably connected between the fixed blocks 4, one end, higher than the fixed column 3, of the clamping piece 5 is obliquely arranged outwards, the upper end of the clamping piece 5 is parallel to the fixed column 3, a threaded hole 6 is formed in the side, close to the clamping piece 5, of the fixed column 3, a threaded rod 7 is connected in the threaded hole 6 in a threaded manner, one end, close to the clamping piece 5, of the threaded rod 7 is hinged to the clamping piece 5, a hand wheel 8 is arranged at the other end of the threaded rod 7, a torsion spring 9 is arranged between the inner side surface of the groove, a square slot 11 is arranged on the workbench 1 and close to the ratchet 10, an insertion block 12 matched with the square slot 11 is inserted in the square slot 11, a pawl 13 matched with the ratchet 10 is arranged at one end of the insertion block 12 extending out of the square slot 11, and the reverse stopping direction of the ratchet 10 is consistent with the torsion direction of the torsion spring 9.

The opposite sides of the clamping piece 5 and the fixing column 3 are provided with arc-shaped grooves 14, and rubber pads 15 are arranged in the arc-shaped grooves 14.

The pawl 13 is provided with a pull rod 16.

The outer side surface of the ratchet wheel 10 is provided with a protective cover 17.

A spring is arranged between the inner bottom surface of the square slot 11 and the insertion block 12.

And a second spring 18 is sleeved on the outer side surface of the threaded rod 7 and positioned between the clamping piece 5 and the fixed column 3.

When the utility model is implemented, the hand wheel 8 is rotated to drive the threaded rod 7 to rotate, namely, the threaded rod 7 enters and exits the threaded hole 6, the lower end of the clamping piece 5 is driven to be close to the fixed column 3 or to be far away from the fixed column 3, when the driven upper end of the clamping piece 5 is close to the fixed column 3, namely, a clamping tool is arranged, when the driven upper end is far away from the fixed column 3, the clamping tool is not used for clamping a workpiece, when the workpiece is checked or processed, the threaded rod 7 can be preferably pushed to drive the fixed column 3 to rotate by the rotatable fixed column 3, the workpiece can be driven to rotate towards one direction by the matching of the ratchet 10 and the pawl 13, the ratchet 10 can not rotate reversely by the torsion spring 6, at the moment, the rotatable tool can rotate 360 degrees in multiple directions, whether the workpiece is processed or the part is processed in place is observed, the processing qualification rate/processing efficiency of the part, the ratchet 10 is automatically returned without being limited by the pawl 13.

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 frock clamp for mechanical engineering, includes workstation (1), its characterized in that: the improved clamping device is characterized in that a groove (2) is formed in the workbench (1), fixing columns (3) are rotatably connected to the inner bottom surface of the groove (2), fixing blocks (4) are arranged on the front side and the rear side of each fixing column (3), clamping pieces (5) are rotatably connected between the fixing blocks (4), one ends, higher than the fixing columns (3), of the clamping pieces (5) are obliquely arranged outwards, the upper ends of the clamping pieces (5) are parallel to the fixing columns (3), threaded holes (6) are formed in the side faces, close to the clamping pieces (5), of the fixing columns (3), threaded rods (7) are connected with the threaded holes (6) in an internal thread mode and are provided with threaded rods (7), one ends, close to the clamping pieces (5), of the threaded rods (7) are hinged to the clamping pieces (5), hand wheels (8) are arranged at the other ends of the threaded rods, the outer surface of the fixed column (3) is higher than the torsion spring (9) and is sleeved with a ratchet wheel (10), a square slot (11) is arranged on the upper surface of the workbench (1) and close to the ratchet wheel (10), a matched insertion block (12) is inserted in the square slot (11), a pawl (13) matched with the ratchet wheel (10) is arranged at one end, extending out of the square slot (11), of the insertion block (12), and the reverse stopping direction of the ratchet wheel (10) is consistent with the torsion direction of the torsion spring (9).

2. The tooling clamp for mechanical engineering according to claim 1, characterized in that: the side face, opposite to the clamping piece (5) and the fixing column (3), is provided with an arc-shaped groove (14), and a rubber pad (15) is arranged in the arc-shaped groove (14).

3. The tooling clamp for mechanical engineering according to claim 1, characterized in that: a pulling rod (16) is arranged on the pawl (13).

4. The tooling clamp for mechanical engineering according to claim 1, characterized in that: the outer side surface of the ratchet wheel (10) is provided with a protective cover (17).

5. The tooling clamp for mechanical engineering according to claim 1, characterized in that: a first spring is arranged between the inner bottom surface of the square slot (11) and the insertion block (12).

6. The tooling clamp for mechanical engineering according to claim 1, characterized in that: and a second spring (18) is sleeved on the outer side surface of the threaded rod (7) and is positioned between the clamping piece (5) and the fixed column (3).