CN217254519U

CN217254519U - Workpiece clamping mechanism for lathe

Info

Publication number: CN217254519U
Application number: CN202123147500.2U
Authority: CN
Inventors: 王聪慧; 方文满; 韩耀鸿; 计春年
Original assignee: Wuxi Zhongke Jinyan Laser Gas Turbine Parts Co ltd
Current assignee: Wuxi Zhongke Jinyan Laser Gas Turbine Parts Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-08-23
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a workpiece clamping mechanism for lathe belongs to the technical field of lathe, including the carriage, its top is fixed with two curb plates and is equipped with two L-shaped splint and opens there are two notches, the inside is equipped with the movable plate and the inside bottom surface is fixed with bearing and driving motor, two the curb plate inboard all is equipped with the movable block, two the movable block inboard all is connected with the actuating lever through first connecting block, both are connected with the bolt on the L-shaped splint, the outside all is connected with the actuating lever other end through the second connecting block, the bolt bottom all is fixed with the clamp splice, the bearing is connected with the screw rod, be fixed with first drive wheel on the screw rod; the two moving blocks are connected with the moving plate through connecting rods, and the output end of the driving motor is connected with a second driving wheel connected with the first driving wheel through a conveying belt; by using the mechanism, the workpiece is better clamped, so that the workpiece cannot deviate in the machining process, and the machining precision is ensured.

Description

Workpiece clamping mechanism for lathe

Technical Field

The utility model relates to a lathe technical field, in particular to workpiece clamping mechanism for lathe.

Background

The lathe is a machine tool for turning a rotating workpiece mainly by a lathe tool, and a drill, a reamer, a tap, a die, a knurling tool and the like can be used for corresponding processing on the lathe tool.

When a lathe is machined, a clamping tool needs to be used for fixing a workpiece, the fixing effect of the existing clamping tool is limited, and the workpiece is easy to deviate in the machining process, so that the machining precision of the workpiece is influenced, and therefore a workpiece clamping mechanism for the lathe with a good fixing effect needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a work piece fixture for lathe to thereby solve the fixed effect of current centre gripping frock and lead to the work piece limited the skew to appear influencing its machining precision's problem in the course of working.

In order to solve the technical problem, the utility model provides a workpiece clamping mechanism for lathe, which comprises a supporting frame, wherein two side plates and two L-shaped clamping plates are fixed at the top end of the supporting frame, a movable plate is arranged inside the supporting frame, a bearing is fixed on the bottom surface inside the supporting frame, moving blocks are arranged inside the two side plates, a first connecting block is fixed on the inner sides of the two moving blocks, the first connecting block is movably connected with a driving rod through a first rotating shaft, bolts are connected on the two L-shaped clamping plates through threads, a second connecting block is fixed on the outer side of each L-shaped clamping plate, clamping blocks are fixed at the bottom ends of the bolts, and the second connecting block is movably connected with the other end of the driving rod through a second rotating shaft; the bearing is connected with a screw, and a first driving wheel is fixed on the screw and is in threaded connection with the moving plate;

the top end of the supporting frame is also provided with two notches, a driving motor is fixed on the bottom surface of the inside of the supporting frame, and the two moving blocks are connected with the moving plate through a connecting rod penetrating through the notches; the output end of the driving motor is connected with a second driving wheel, and the second driving wheel is connected with the first driving wheel through a conveying belt.

Optionally, a first sliding groove is further formed in the top end of the supporting frame, and a first sliding block located in the first sliding groove is fixed at the bottom ends of the two L-shaped clamping plates.

Optionally, the inner sides of the two side plates are both provided with second sliding grooves, and the outer sides of the two moving blocks are both fixed with second sliding blocks located in the second sliding grooves.

Optionally, a stop block is fixed at the other end of the screw rod.

Optionally, a shifting lever is detachably fixed on the bolt.

The utility model provides a workpiece clamping mechanism for lathe, including the carriage, its top is fixed with two curb plates and is equipped with two L type splint and opens there are two notches, the inside is equipped with the movable plate and the inside bottom surface is fixed with bearing and driving motor, two the curb plate inboard all is equipped with the movable block, two the movable block inboard all is connected with the actuating lever through first connecting block, both be connected with the bolt on two L type splint, the outside all is connected with the actuating lever other end through the second connecting block, the bolt bottom all is fixed with the clamp splice, the bearing is connected with the screw rod, be fixed with first drive wheel on the screw rod; the two moving blocks are connected with the moving plate through connecting rods, and the output end of the driving motor is connected with a second driving wheel connected with the first driving wheel through a conveying belt; by using the mechanism, the workpiece is better clamped, so that the workpiece cannot deviate in the machining process, and the machining precision is ensured.

Drawings

Fig. 1 is a schematic structural view of a workpiece clamping mechanism for a lathe according to the present invention.

Detailed Description

The following provides a further detailed description of the workpiece clamping mechanism for lathe according to the present invention with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

Example one

The utility model provides a workpiece clamping mechanism for a lathe, which has a structure shown in figure 1 and comprises a supporting frame 1, two side plates 2 are fixed at the top end of the supporting frame 1, two L-shaped clamping plates 3 are arranged at the top end of the supporting frame, a moving plate 4 is arranged in the supporting frame, a bearing 5 is fixed at the bottom surface in the supporting frame, moving blocks 6 are arranged on the inner sides of the two side plates 2, first connecting blocks 7 are fixed on the inner sides of the two moving blocks 6, the first connecting block 7 is movably connected with a driving rod 9 through a first rotating shaft 8, the two L-shaped clamping plates 3 are both in threaded connection with bolts 10, the outer sides of the two L-shaped clamping plates are both fixed with second connecting blocks 11, the bottom ends of the bolts 10 are all fixed with clamping blocks 13, the second connecting block 11 is movably connected with the other end of the driving rod 9 through a second rotating shaft 12, the bearing 5 is connected with a screw 14, and a first driving wheel 15 is fixed on the screw 14 and is in threaded connection with the moving plate 4; the top end of the support frame 1 is also provided with two notches 16, the bottom surface inside the support frame is fixed with a driving motor 17, and the two moving blocks 6 are connected with the moving plate 4 through connecting rods 18 penetrating through the notches 16; the output end of the driving motor 17 is connected with a second driving wheel 19, the second driving wheel 19 is connected with the first driving wheel 15 through a conveying belt 20, the second driving wheel 19 is driven by the output end of the driving motor 17 to rotate, so that the second driving wheel 19 drives the first driving wheel 15 and the screw 14 to rotate through the conveying belt 20, at this time, the movable plate 4 drives two movable blocks 6 and two driving rods 9 through two connecting rods 18, one end of each driving rod 9 moves downwards, and the other end of each driving rod 9 drives the L-shaped clamping plate 3 to move inwards to clamp and fix a workpiece. The workpiece clamping mechanism for the lathe has a good clamping effect on a workpiece, so that the workpiece cannot deviate in the machining process, and the machining precision is guaranteed.

A first sliding groove 21 is formed in the top end of the supporting frame 1, and a first sliding block 22 located in the first sliding groove 21 is fixed at the bottom ends of the two L-shaped clamping plates 3, so that the two L-shaped clamping plates 3 can move horizontally and leftwards and rightwards all the time without inclination, and the clamping effect is guaranteed; the inner sides of the two side plates 2 are both provided with a second sliding chute 23, and the outer sides of the two moving blocks 6 are both fixed with a second sliding block 24 positioned in the second sliding chute 23, so that the two moving blocks 6 are ensured to move horizontally and vertically all the time without inclination; a stopper 25 is fixed at the other end of the screw 14 to prevent the moving plate 4 from being disconnected from the screw 14; a shifting lever 26 is detachably fixed on the bolt 10, so that the bolt 10 can be conveniently rotated.

When the clamping device is used, a workpiece is placed between the two L-shaped clamping plates 3, the driving motor 17 is started, the output end of the driving motor drives the second driving wheel 19 to rotate, the second driving wheel 19 drives the first driving wheel 15 and the screw 14 to rotate through the conveying belt 20, at this time, the moving plate 4 drives the two moving blocks 6 and one ends of the two driving rods 9 to move downwards through the two connecting rods 18, and finally the other ends of the two driving rods 9 drive the L-shaped clamping plates 3 to move inwards to clamp the workpiece.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A workpiece clamping mechanism for a lathe comprises a supporting frame (1) and is characterized in that, two side plates (2) are fixed at the top end of the supporting frame (1), two L-shaped clamping plates (3) are arranged on the top end of the supporting frame, a moving plate (4) is arranged in the supporting frame, a bearing (5) is fixed on the bottom surface of the supporting frame, moving blocks (6) are arranged on the inner sides of the two side plates (2), first connecting blocks (7) are fixed on the inner sides of the two moving blocks (6), the first connecting block (7) is movably connected with a driving rod (9) through a first rotating shaft (8), bolts (10) are in threaded connection with the two L-shaped clamping plates (3), second connecting blocks (11) are fixed on the outer sides of the two L-shaped clamping plates, the bottom ends of the bolts (10) are respectively fixed with a clamping block (13), and the second connecting block (11) is movably connected with the other end of the driving rod (9) through a second rotating shaft (12); the bearing (5) is connected with a screw rod (14), and a first driving wheel (15) is fixed on the screw rod (14) and is in threaded connection with the moving plate (4);

the top end of the supporting frame (1) is also provided with two notches (16), a driving motor (17) is fixed on the inner bottom surface, and the two moving blocks (6) are connected with the moving plate (4) through connecting rods (18) penetrating through the notches (16); the output end of the driving motor (17) is connected with a second driving wheel (19), and the second driving wheel (19) is connected with the first driving wheel (15) through a conveying belt (20).

2. The workpiece clamping mechanism for the lathe as set forth in claim 1, wherein a first sliding groove (21) is further formed at the top end of the support frame (1), and a first sliding block (22) located in the first sliding groove (21) is fixed to the bottom ends of the two L-shaped clamping plates (3).

3. The workpiece holding mechanism for the lathe as set forth in claim 1, wherein a second slide groove (23) is formed in each of the inner sides of the two side plates (2), and a second slider (24) positioned in the second slide groove (23) is fixed to each of the outer sides of the two moving blocks (6).

4. The workpiece holding mechanism for a lathe as set forth in claim 1, wherein a stopper (25) is fixed to the other end of the screw (14).

5. A workpiece holding mechanism for a lathe as defined in claim 1 wherein a driver (26) is detachably fixed to the bolt (10).