CN220006815U

CN220006815U - Lathe extension fixture

Info

Publication number: CN220006815U
Application number: CN202321597650.XU
Authority: CN
Inventors: 卞东升; 武建立; 武海超; 鄢青; 谢建军
Original assignee: Jiyuan Zhongfu Machinery Manufacturing Co ltd
Current assignee: Jiyuan Zhongfu Machinery Manufacturing Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-11-14
Anticipated expiration: 2033-06-21

Abstract

The utility model provides a lathe extension fixture which comprises a base, wherein a cavity is formed in the inner wall of the base, storage grooves are symmetrically formed in two ends of the base and penetrate into the cavity, a telescopic plate penetrates through the inner wall of the storage grooves, a double-shaft motor is arranged on the inner wall of the cavity, threaded rods are symmetrically arranged at the output ends of the double-shaft motor and meshed with the inner wall of the telescopic plate, and a clamping mechanism is arranged at the top of the telescopic plate. When the workpiece clamping device is used, the fixing effect of the workpiece during clamping can be effectively improved, the shaking condition caused by unstable workpiece clamping during polishing is reduced, only the workpiece is prevented from being arranged on the bearing plate by people, the workpiece is not required to be clamped frequently and manually, the operation is simple, the labor intensity is low, the rubber pad plays a role in protecting the workpiece, the workpiece surface is prevented from being damaged when the workpiece is clamped by the clamping plate and the pressing plate, and the anti-slip effect can be realized when the workpiece is clamped.

Description

Lathe extension fixture

Technical Field

The utility model relates to the technical field of lathe clamps, in particular to a lathe extension clamp.

Background

The lathe fixture is a tool for clamping a rotating object and cutting or machining, and is generally composed of a fixture main body, a fixture seat, a clamping claw, a clamping wedge, a fixing bolt and other parts, and is of various types, such as a hand-operated fixture, an oil pressure fixture, a pneumatic fixture, an index plate and the like, and can select proper fixture types according to different machining requirements, so that the lathe fixture is widely applied to the fields of machine manufacturing, automobile part machining, aerospace and the like.

The existing lathe extension fixture is poor in stability of workpiece clamping, only two opposite faces of the workpiece are usually clamped when the workpiece is clamped, other opposite faces of the workpiece are not clamped, the workpiece is easy to slightly shake when polished, workpiece machining deviation is caused, and clamping effect is poor.

Disclosure of Invention

The utility model aims to provide a lathe extension fixture, which aims to solve the problem that the clamping stability of the lathe extension fixture on a workpiece in the prior art is poor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lathe extension fixture comprising: the base, the base is installed in lathe processing platform top, the inner wall of base is equipped with the cavity, base both ends symmetry is equipped with accomodates the groove, and accomodates the groove and run through to the inside of cavity, accomodates the inner wall in groove and wear to be equipped with the expansion plate, the biax motor is installed to the inner wall of cavity, the threaded rod is installed to the output symmetry of biax motor, and the threaded rod meshing is installed at the inner wall of expansion plate, fixture is installed at the top of expansion plate.

Preferably, the clamping mechanism comprises a vertical plate, the vertical plate is arranged at one end of the top of the expansion plate, the transmission plate is arranged on the inner side of the vertical plate, the clamping plate is arranged on one side of the transmission plate, the mounting plate is arranged at the top of one side, far away from the transmission plate, of the clamping plate, the expansion rod is symmetrically arranged at the bottom of the mounting plate, and the pressing plate is arranged at the bottom end of the expansion rod.

Preferably, a hydraulic cylinder is arranged at the middle position of the bottom of the mounting plate, and the output end of the hydraulic cylinder is fixedly connected with the middle position of the top of the pressing plate.

Preferably, rubber pads are arranged on the surfaces of the clamping plate and the pressing plate, which are contacted with the workpiece.

Preferably, the top of base symmetry is equipped with the slide, and the inner wall of slide wears to be equipped with the slider, and the loading board is installed at the top of slider, and the push-and-pull rod is installed in the front of loading board.

Preferably, the outer surface of the push-pull rod is coated with an anti-slip layer.

The beneficial effects of the utility model are as follows:

1. when the workpiece clamping device is used, the fixing effect of the workpiece during clamping can be effectively improved, the shaking condition caused by unstable workpiece clamping during polishing is reduced, only the workpiece is prevented from being arranged on the bearing plate by people, the workpiece is not required to be clamped frequently and manually, the operation is simple, the labor intensity is low, the rubber pad plays a role in protecting the workpiece, the workpiece surface is prevented from being damaged when the workpiece is clamped by the clamping plate and the pressing plate, and the anti-slip effect can be realized when the workpiece is clamped.

2. When the clamping device is used, the clamping relationship of the clamping plate and the pressing plate on the workpiece is relieved, the push-pull rod is pulled, the push-pull rod drives the bearing plate to move, the action of the sliding block and the slideway enables the bearing plate to move more smoothly, the bearing plate moves to drive the workpiece placed on the bearing plate to move out of a polishing area of the lathe, the phenomenon that a hand of a person carelessly touches a polishing tool above the bearing plate when the workpiece is manually taken out is prevented, and the safety of the lathe extension fixture is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional elevation view of the present utility model.

Fig. 3 is a schematic diagram of the structure of fig. 2 a according to the present utility model.

Fig. 4 is a schematic view of the structure of fig. 2B according to the present utility model.

In the figure: 1. a base; 2. a cavity; 3. a biaxial motor; 4. a threaded rod; 5. a storage groove; 6. a telescoping plate; 7. a riser; 8. a drive plate; 9. a clamping plate; 10. a mounting plate; 11. a telescopic rod; 12. a pressing plate; 13. a hydraulic cylinder; 14. a slideway; 15. a slide block; 16. a carrying plate; 17. a push-pull rod.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings.

As shown in fig. 1 to 4, a lathe extension fixture, including base 1, base 1 installs in lathe processing platform top, base 1's inner wall is equipped with cavity 2, cavity 2 provides mounted position for biax motor 3, base 1 both ends symmetry is equipped with accomodates groove 5, and accomodate the inside that groove 5 runs through to cavity 2, accomodate the inner wall of groove 5 and wear to be equipped with expansion plate 6, biax motor 3 is installed to cavity 2's inner wall, threaded rod 4 is installed to biax motor 3's output symmetry, and threaded rod 4 meshing is installed at expansion plate 6's inner wall, fixture is installed at expansion plate 6's top, biax motor 3 is used for driving threaded rod 4 and rotates, because expansion plate 6 meshes with threaded rod 4 mutually, threaded rod 4 rotates and drives two sets of expansion plate 6 reverse removal, accomodate groove 5 and carry out spacing and direction to expansion plate 6 when expansion plate 6 removes, expansion plate 6 removes and makes fixture carry out the centre gripping to the work piece.

As shown in fig. 2 and 3, fixture includes riser 7, riser 7 installs the top one end at expansion plate 6, the drive plate 8 is installed to the inboard of riser 7, grip plate 9 is installed to one side of drive plate 8, mounting panel 10 is installed at one side top that drive plate 8 was kept away from to grip plate 9, telescopic link 11 is installed to the bottom symmetry of mounting panel 10, clamp plate 12 is installed to the bottom of telescopic link 11, hydraulic cylinder 13 is installed to the bottom intermediate position of mounting panel 10, and hydraulic cylinder 13's output and clamp plate 12's top intermediate position fixed connection, drive riser 7 when expansion plate 6 removes, it carries out the centre gripping to the both sides of work piece to drive grip plate 9 through drive plate 8 when riser 7 removes, start hydraulic cylinder 13, hydraulic cylinder 13's output drives clamp plate 12 and moves down to press down the top of work piece, make both sides and top of work piece obtain fine centre gripping, produce when preventing the work piece and rock, telescopic link 11's setting has promoted clamp plate 12's degree of pushing down, make clamp plate 12 to press the level more stable to the work piece simultaneously.

As shown in fig. 3, rubber pads are mounted on the surfaces of the clamping plate 9 and the pressing plate 12, which are in contact with the workpiece, the rubber pads play a role in protecting the workpiece, the surface of the workpiece is prevented from being damaged when the clamping plate 9 and the pressing plate 12 clamp the workpiece, and the workpiece can also play a role in preventing slipping when clamped.

As shown in fig. 2 and 4, the top of the base 1 is symmetrically provided with a slideway 14, the inner wall of the slideway 14 is provided with a sliding block 15 in a penetrating way, the top of the sliding block 15 is provided with a bearing plate 16, the front surface of the bearing plate 16 is provided with a push-pull rod 17, the outer surface of the push-pull rod 17 is smeared with an anti-slip layer, the bearing plate 16 is used for placing a workpiece, when the workpiece needs to be taken out from the bearing plate 16, the clamping plate 9 and the pressing plate 12 are not used for clamping the workpiece any more, the push-pull rod 17 is pulled, the push-pull rod 17 drives the bearing plate 16 to move, the friction force between the push-pull rod 17 and hands of a person is increased due to the anti-slip layer, the person is convenient to pull the push-pull rod 17, the sliding block 15 and the slideway 14 act to enable the bearing plate 16 to move more smoothly, the bearing plate 16 moves to drive the workpiece placed on the bearing plate 16 to move out of a lathe polishing area, the hand of the person is prevented from carelessly touching a polishing tool above the bearing plate 16 when the workpiece is manually taken out, and the safety of the extending of lathe furniture is improved.

Working principle: when needs carry out centre gripping fixed to the work piece, make biax motor 3 drive threaded rod 4 rotate, because of expansion plate 6 and threaded rod 4 mesh mutually, threaded rod 4 rotates and drives two sets of expansion plate 6 reverse movement, take in groove 5 carries out spacing and direction to expansion plate 6 when expansion plate 6 removes, drive riser 7 and remove, drive clamping plate 9 through drive driving plate 8 and carry out the centre gripping to the both sides of work piece when riser 7 removes, start hydraulic cylinder 13, hydraulic cylinder 13's output drives clamp plate 12 and moves down and press the top of work piece, make both sides and the top of work piece obtain fine centre gripping, produce rocking when preventing the work piece from polishing, the setting of telescopic link 11 has promoted clamp plate 12's degree of level that pushes down simultaneously, make clamp plate 12 press more stable to the work piece, the rubber pad plays the guard action to the work piece, prevent that clamping plate 9 and clamp plate 12 from receiving the damage to the work piece surface when work piece is by the centre gripping, and can also play the skid-proof effect when the work piece is taken out from loading plate 16, make clamping plate 9 and clamp plate 12 carry out the centre gripping to the work piece again, pull and push and pull rod 17, pull rod 17 drives clamp 16 and move down the clamp 16, the effect that makes the load plate 16 is placed on the work piece and is moved smoothly and is moved to the side 16 is moved to the work piece is moved to the side of the work piece, the people has been placed the work piece is difficult to the place the side of the work piece is moved to the side 16, the hand is more easily, the region is placed to the work piece is more easily to the 16, and is more easily has the hand 16 has been moved and is more difficult to the work 16 to be moved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A lathe extension fixture comprising: base (1), base (1) is installed in lathe processing platform top, a serial communication port, the inner wall of base (1) is equipped with cavity (2), base (1) both ends symmetry is equipped with accomodates groove (5), and accomodates groove (5) and run through to the inside of cavity (2), accomodate the inner wall of groove (5) and wear to be equipped with expansion plate (6), biax motor (3) are installed to the inner wall of cavity (2), threaded rod (4) are installed to the output symmetry of biax motor (3), and the inner wall at expansion plate (6) is installed in the meshing of threaded rod (4), fixture is installed at the top of expansion plate (6).

2. The lathe extension fixture according to claim 1, characterized in that the clamping mechanism comprises a vertical plate (7), the vertical plate (7) is arranged at one end of the top of the telescopic plate (6), a transmission plate (8) is arranged on the inner side of the vertical plate (7), a clamping plate (9) is arranged on one side of the transmission plate (8), a mounting plate (10) is arranged on the top of one side, far away from the transmission plate (8), of the clamping plate (9), telescopic rods (11) are symmetrically arranged at the bottom of the mounting plate (10), and a pressing plate (12) is arranged at the bottom end of the telescopic rods (11).

3. The lathe extension fixture according to claim 2, characterized in that the bottom middle position of the mounting plate (10) is provided with a hydraulic cylinder (13), and the output end of the hydraulic cylinder (13) is fixedly connected with the top middle position of the pressing plate (12).

4. The lathe extension fixture according to claim 2, characterized in that the surfaces of the clamping plate (9) and the pressing plate (12) which are in contact with the workpiece are provided with rubber pads.

5. The lathe extension fixture according to claim 1, characterized in that the top of the base (1) is symmetrically provided with a slide way (14), the inner wall of the slide way (14) is provided with a sliding block (15) in a penetrating way, the top of the sliding block (15) is provided with a bearing plate (16), and the front surface of the bearing plate (16) is provided with a push-pull rod (17).

6. Lathe expansion jig according to claim 5, characterized in that the outer surface of the push-pull rod (17) is coated with an anti-slip layer.