CN210081542U - Clamp with high-precision transmission mechanism - Google Patents

Abstract

A clamp with a high-precision transmission mechanism relates to a clamping device, which comprises a machine body, wherein a motor is arranged in the machine body, an output shaft of the motor is connected with a first gear through a key, the first gear is connected with a second gear in a meshing way, a third gear is connected with a first rotating shaft through a key, one side of the third gear is connected with the second gear and fixedly connected with the second gear, the third gear is connected with a fourth gear in a meshing way, the fourth gear is connected with a threaded sleeve and fixedly connected with the threaded sleeve, the threaded sleeve penetrates through a support and is connected with the second gear through a bearing, the threaded sleeve is connected with a screw rod, the screw rod penetrates through the support and is connected with a push block, the top of the push block is connected with one end of a second connecting rod, the other end of the second connecting rod penetrates through a second chute arranged on the machine body and is connected with a movable clamping block, a fixed clamping block is, the utility model provides the high tight precision of clamp protects the easily damaged material, can realize better tight effect of clamp again.

Description

Clamp with high-precision transmission mechanism

Technical Field

The utility model relates to a clamping device, concretely relates to anchor clamps with high accuracy drive mechanism.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to finish machining of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base) and the like; in the existing machining industry, most clamping modes such as a vice are adopted, the clamping mode is simple and practical, but due to the fact that clamping accuracy is not high, damage is easily caused to a workpiece, unnecessary loss is brought, manual operation is needed in the clamping mode, production efficiency is greatly reduced, and productivity is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an anchor clamps with high accuracy drive mechanism is provided, it passes through reduction structure such as big or small gear engagement transmission and swivel nut screw drive, lets the clamp splice reduce at the removal rate of pressing from both sides tight in-process, has promptly improved and has pressed from both sides tight precision, protects the easily damaged material, can realize better tight effect of clamp again, and this utility model is automated control, easy operation, simple structure.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a clamp with a high-precision transmission mechanism comprises a machine body, wherein a motor is arranged in the machine body, the motor is fixed in the machine body through a motor fixing seat, a motor output shaft is connected with a first gear through a key, the first gear is meshed with a second gear, the second gear is meshed with a first rotating shaft through a key, one end of the first rotating shaft is connected with the inner wall of the machine body through a bearing, a third gear is arranged on the first rotating shaft, the third gear is connected with the first rotating shaft through a key, one side of the third gear is connected with one side of the second gear through a fixed connection, the third gear is meshed with a fourth gear, the fourth gear is arranged on the second rotating shaft through a key, one end of the second rotating shaft is connected with the inner wall of the machine body through a bearing, one side of the fourth gear, far away from the second rotating shaft, is connected with a screw sleeve and is fixedly connected with the screw, the swivel nut passes the support and both are connected through the bearing, support and organism inner wall connection, the swivel nut is connected with the screw rod and both are threaded connection, and the screw rod is kept away from the one end of swivel nut and is passed the support and be connected with the ejector pad, and the ejector pad is close to one side of support and is connected with guide arm one end, and the guide arm passes the through-hole that sets up on the support and both are sliding connection, the ejector pad top is connected with second connecting rod one end, and the second connecting rod other end passes the second spout that sets up on the organism and is connected with the removal clamp splice, be provided with fixed clamp splice on the organism, fixed clamp splice is corresponding with the removal clamp splice, the guide arm is connected with measuring device, and measuring device sets.

Furthermore, measuring device includes head rod, scale and containing box, head rod one end is connected with the guide arm, and the other end of head rod passes and sets up the first spout on the organism and is connected with scale one end, and the scale other end is accomodate in containing box, and containing box sets up at the organism top.

Further, the graduated scale is arranged in the horizontal direction.

Furthermore, the gear diameter of the first gear is smaller than that of the second gear, and the gear diameter of the third gear is smaller than that of the fourth gear.

Further, the motor is a bidirectional motor

The utility model discloses a speed reduction structures such as big pinion meshing transmission and swivel nut screw drive let the clamp splice reduce at the removal rate of pressing from both sides tight in-process, promptly for having improved and press from both sides tight precision, protect the easily damaged material, can realize better tight effect of clamp again, have visual distance scale change structure by the way simultaneously, have strengthened the tight precision of clamp, and this utility model is automated control, easy operation, simple structure.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial enlarged view A of the present invention;

FIG. 3 is a partial enlarged view B of the present invention;

in the figure: 1. the automatic clamping device comprises a machine body, 2, a first gear, 3, a motor, 4, a first rotating shaft, 5, a third gear, 6, a second gear, 7, a second rotating shaft, 8, a fourth gear, 9, a screw rod, 10, a threaded sleeve, 11, a storage box, 12, a first connecting rod, 13, a graduated scale, 14, a first sliding groove, 15, a guide rod, 16, a support, 17, a movable clamping block, 18, a push block, 19, a second sliding groove and 20, and a fixed clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-3, a fixture with a high-precision transmission mechanism comprises a machine body 1, wherein a motor 3 is arranged in the machine body 1, the motor 3 is fixed in the machine body 1 through a motor fixing seat, an output shaft of the motor 3 is connected with a first gear 2 through a key, the first gear 2 is connected with a second gear 6 in a meshing manner, the second gear 6 is connected with a first rotating shaft 4 through a key, one end of the first rotating shaft 6 is connected with the inner wall of the machine body 1 through a bearing, a third gear 5 is arranged on the first rotating shaft 6, the third gear 5 is connected with the first rotating shaft 6 through a key, one side of the third gear 5 is connected with one side of the second gear 6, the third gear 5 is fixedly connected with one side of the second rotating shaft, the fourth gear 8 is connected with a fourth gear 8 in a meshing manner, the fourth gear 8 is arranged on a second rotating shaft 7, the connecting manner of the third gear and the second, one side of the fourth gear 8 far away from the second rotating shaft 7 is connected with a threaded sleeve 10 which is fixedly connected with the second rotating shaft 7, the threaded sleeve 10 penetrates through a support 16 which is connected with the support through a bearing, the support 16 is connected with the inner wall of the machine body 1, the screw sleeve 10 is connected with the screw rod 9 in a threaded manner, one end of the screw rod 9, which is far away from the screw sleeve 10, penetrates through the bracket 16 to be connected with the push block 18, one side of the push block 18, which is close to the bracket 16, is connected with one end of the guide rod 15, the guide rod 15 penetrates through a through hole arranged on the bracket 16 and is in sliding connection with the through hole, the top of the push block 18 is connected with one end of a second connecting rod 21, the other end of the second connecting rod 21 passes through a second chute 19 arranged on the machine body 1 to be connected with the movable clamping block 17, the machine body 1 is provided with a fixed clamping block 20, the fixed clamping block 20 corresponds to the movable clamping block 17, the guide rod 15 is connected with a measuring device, and the measuring device is arranged at the top of the machine body 1.

Specifically, measuring device includes head rod 12, scale 13 and containing box 11, head rod 12 one end is connected with guide arm 15, and head rod 12's the other end passes first spout 14 of offering on organism 1 and is connected with scale 13 one end, and the scale 13 other end is accomodate in containing box 11, and the containing box setting is at organism 1 top.

Specifically, the scale 13 is arranged in the horizontal direction.

Specifically, the first gear 2 has a smaller tooth diameter than the second gear 6, and the third gear 5 has a smaller tooth diameter than the fourth gear 8.

Further, the motor 3 is a bidirectional motor

The specific implementation process is as follows: when the utility model is used, firstly, a workpiece needing to be clamped is placed between the movable clamping block 17 and the fixed clamping block 20, the motor 3 is started, the output shaft of the motor 3 drives the first gear 2 to rotate, the first gear 2 drives the second gear 6 engaged with the first gear to rotate, the second gear 6 drives the third gear 5 coaxial with the second gear to rotate, the third gear 5 drives the fourth gear 8 engaged with the third gear to rotate, the fourth gear 8 drives the screw sleeve 10 connected with the fourth gear to rotate, the screw sleeve 10 rotates to drive the screw rod 9 in threaded connection with the screw rod to push out leftwards, the push block 18 connected with the screw rod 9 is driven to move leftwards, the sliding of the guide rod 15 plays a guiding role, the push block drives the movable clamping block 17 to move leftwards, the workpiece is clamped, meanwhile, the movement of the guide rod 15 drives the graduated scale 13 to move, namely, the graduated scale 13 and the movable clamping block 17 synchronously move, and the moving distance of the clamping process is visualized, the clamping accuracy is enhanced.

This clamping device passes through reduction gears such as big and small gear engagement transmission and swivel nut screw drive, lets the clamp splice reduce at the removal rate of pressing from both sides tight in-process, promptly for having improved and press from both sides tight precision, protects the easily damaged material, can realize better tight effect of clamp again, has visual distance scale change structure by the way simultaneously, and this utility model is automated control, easy operation, simple structure.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (5)

1. The utility model provides a anchor clamps with high accuracy drive mechanism, includes organism (1), its characterized in that: the machine body (1) is internally provided with a motor (3), the motor (3) is fixed in the machine body (1) through a motor fixing seat, the output shaft of the motor (3) is connected with a first gear (2) through a key, the first gear (2) is connected with a second gear (6) in a meshing way, the second gear (6) is connected with a first rotating shaft (4) through a key, one end of the first rotating shaft (4) is connected with the inner wall of the machine body (1) through a bearing, the first rotating shaft (4) is provided with a third gear (5), the third gear (5) is connected with the first rotating shaft (4) through a key, one side of the third gear (5) is connected with one side of the second gear (6) through a key, the third gear (5) is connected with a fourth gear (8) in a meshing way, the fourth gear (8) is arranged on the second rotating shaft (7) and the connection way of the third gear is connected with the second rotating shaft (5) through a key, one end of the second rotating shaft (7, one side of the fourth gear (8) far away from the second rotating shaft (7) is connected with a threaded sleeve (10) and fixedly connected with the threaded sleeve, the threaded sleeve (10) penetrates through a support (16) and is connected with the support through a bearing, the support (16) is connected with the inner wall of the machine body (1), the threaded sleeve (10) is connected with a screw (9) and is in threaded connection with the screw, one end of the screw (9) far away from the threaded sleeve (10) penetrates through the support (16) and is connected with a push block (18), one side of the push block (18) close to the support (16) is connected with one end of a guide rod (15), the guide rod (15) penetrates through a through hole formed in the support (16) and is in sliding connection with the push block (18), the top of the push block (18) is connected with one end of a second connecting rod (21), the other end of the second connecting rod (21) penetrates through a second sliding groove (19) formed in the machine body (1) and is connected with a movable clamping block, the fixed clamping block (20) corresponds to the movable clamping block (17), the guide rod (15) is connected with a measuring device, and the measuring device is arranged at the top of the machine body (1).

2. The jig with high precision transmission mechanism according to claim 1, characterized in that: the measuring device comprises a first connecting rod (12), a graduated scale (13) and a containing box (11), one end of the first connecting rod (12) is connected with a guide rod (15), the other end of the first connecting rod (12) penetrates through a first sliding groove (14) formed in the machine body (1) to be connected with one end of the graduated scale (13), the other end of the graduated scale (13) is contained in the containing box (11), and the containing box is arranged at the top of the machine body (1).

3. The jig with high precision transmission mechanism according to claim 2, characterized in that: the graduated scale (13) is arranged in the horizontal direction.

4. The jig with high precision transmission mechanism according to claim 1, characterized in that: the first gear (2) is smaller in tooth diameter than the second gear (6), and the third gear (5) is smaller in tooth diameter than the fourth gear (8).

5. The jig with high precision transmission mechanism according to claim 1, characterized in that: the motor (3) is a bidirectional motor.

Images