CN223811815U - Clamping device for machining - Google Patents

Abstract

The utility model relates to the technical field of machining clamping, in particular to a clamping device for machining, which comprises a base and a supporting plate, wherein a rotating shaft is connected to the base in a rotating way, the rotating shaft is connected with the supporting plate in a rotating way, a plurality of notches are formed in the supporting plate, a plurality of toothed plates are connected in a sliding way in the notches, a connecting frame is fixedly connected to the end sides of the toothed plates, a mounting plate is fixed to the end sides of the connecting frame, and a clamping ring is detachably mounted on the end sides of the mounting plate. The utility model utilizes the transmission structure of the gear and the toothed plate, can rapidly and synchronously drive the four clamping rings to move, can accurately adjust the positions of the clamping rings, rapidly surrounds workpieces with different sizes, and realizes rapid preliminary positioning. The clamping efficiency is greatly improved, the preparation time before machining is reduced, the overall machining efficiency is improved, the clamping device is suitable for batch machining of workpieces with different sizes, clamping rings are convenient to replace, and the flexibility of the device for coping with different machining requirements is improved.

Description

Clamping device for machining

Technical Field

The utility model relates to the technical field of machining clamping, in particular to a clamping device for machining.

Background

In the machining industry, accurate and stable clamping of various workpieces is a basis for ensuring machining precision and quality. With the rapid development of manufacturing industry, the complexity and variety of machining is increasing, and higher requirements are also being placed on the performance of the clamping device.

Most traditional clamping devices on the market at present rely on manual operation to adjust clamping part, and the adjustment process is complicated and consuming time, when facing the machined part of different size specifications, be difficult to adjust suitable clamping position and dynamics fast, can't realize the synchronous drive of a plurality of clamping parts, lead to the processing before the preparation time long, especially when the different size specification work pieces of batch processing, seriously influence whole machining efficiency, and clamping device mostly is specially designed to the work piece of specific shape and size, when the work piece of different specification needs processing, lack convenient clamp ring change or adjustment mode, not only increased equipment cost, still reduced the flexibility of use of equipment.

Disclosure of utility model

The utility model aims to solve the problems that the clamping device in the prior art is inconvenient to synchronously drive and clamp workpieces with different specifications and is only suitable for workpieces with specific shapes, and provides the clamping device for machining.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The clamping device for machining comprises a base and a supporting plate, wherein a rotating shaft is connected to the base in a rotating mode, the rotating shaft is connected with the supporting plate in a rotating mode, a plurality of notches are formed in the supporting plate, a plurality of toothed plates are connected in a sliding mode in the notches, connecting frames are fixedly connected to end sides of the toothed plates, a mounting plate is fixedly arranged on the end sides of the connecting frames, and clamping rings are detachably arranged on the end sides of the mounting plate;

Further comprises:

the driving piece is used for driving the rotating shaft to rotate;

The transmission piece is used for driving the plurality of toothed plates to synchronously and horizontally move;

the dismounting piece is convenient for dismounting and mounting the clamping ring.

Preferably, the driving member includes:

the mounting frame is fixed on the base;

and the motor is fixed on the mounting frame, and the output end of the motor is fixedly connected with the rotating shaft.

Preferably, the transmission member includes:

The gear is fixedly sleeved on the rotating shaft.

Preferably, four toothed plates are distributed around the circumference of the gear, and the four toothed plates are meshed with the gear.

Preferably, the base and two opposite sides of the inner wall of the supporting plate are provided with guide strips which facilitate the horizontal sliding of the plurality of toothed plates.

Preferably, the detachable member includes:

the first screw hole is formed in the mounting plate;

the second screw hole is formed in the clamping ring;

the screw is in threaded connection with the first screw hole and the second screw hole;

and the nut is in threaded connection with the screw.

Preferably, the first screw hole and the second screw hole are positioned at the same position.

Preferably, the first screw hole and the second screw hole are internally provided with external threads matched with the screw threads.

Preferably, the nut is attached to the side wall of the clamping ring.

Preferably, the inner wall of the clamping ring is provided with a buffer pad.

Compared with the prior art, the utility model has the following advantages:

1. According to the utility model, the motor is used for driving the rotating shaft, the transmission structure of the gear and the toothed plate is used for rapidly and synchronously driving the four clamping rings to move, the positions of the clamping rings can be accurately adjusted, workpieces with different sizes are rapidly surrounded, and rapid preliminary positioning is realized. The clamping efficiency is greatly improved, the preparation time before machining is reduced, the overall machining efficiency is improved, and the clamping device is suitable for batch machining of workpieces with different sizes.

2. According to the utility model, the clamping ring and the mounting plate are connected through the dismounting parts of the screw and the nut, after the preliminary positioning of the workpiece is finished, the clamping ring can be easily fixed on the mounting plate, and when the workpiece is required to be replaced or the clamping ring is required to be adjusted, the clamping ring can be conveniently dismounted by unscrewing the nut and taking out the screw. The design is convenient for replacing the clamping ring, the flexibility of the device for coping with different processing requirements is improved, the use cost of equipment is reduced, and the universality and the practicability of the equipment are improved.

Drawings

FIG. 1 is a schematic view of the whole structure of a clamping device for machining according to the present utility model;

FIG. 2 is a schematic diagram showing the connection structure of the driving member, the base, the support plate, and the like of the clamping device for machining according to the present utility model;

FIG. 3 is a schematic view of a mounting/dismounting structure of a clamping device for machining according to the present utility model;

Fig. 4 is a schematic diagram of a transmission member of a clamping device for machining according to the present utility model.

In the figure:

1. Base, 2, rotating shaft, 21, mounting rack, 22, motor, 3, supporting plate, 31, notch, 4, toothed plate, 41, gear, 5, connecting rack, 6, mounting plate, 61, first screw hole, 7, clamping ring, 71, screw, 72, nut, 73 and second screw hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a clamping device for machining comprises a base 1 and a support plate 3, wherein a rotating shaft 2 is rotatably connected to the upper side of the base 1, the rotating shaft 2 is rotatably connected with the support plate 3, a plurality of notches 31 are formed in the support plate 3, a plurality of toothed plates 4 are slidably connected in the plurality of notches 31, connecting frames 5 are fixedly connected to the end sides of the plurality of toothed plates 4, a mounting plate 6 is fixedly arranged at the end sides of the connecting frames 5, and clamping rings 7 are detachably arranged at the end sides of the mounting plate 6;

the clamping device for machining further comprises a driving piece, a transmission piece and a dismounting piece.

The driving piece is used for driving the rotating shaft 2 to rotate, and the driving piece comprises a mounting frame 21 and a motor 22, wherein the mounting frame 21 is fixed on the base 1, the motor 22 is fixed on the mounting frame 21, and the output end of the motor 22 is fixedly connected with the rotating shaft 2. The mounting frame 21 is firmly fixed to the base 1 to provide stable support for the motor 22. The motor 22 is used as a power source, the output end of the motor 22 is tightly and fixedly connected with the rotating shaft 2, and the connection mode can efficiently transmit the rotating power of the motor 22 to the rotating shaft 2, so that the rotating shaft 2 can be ensured to rotate stably.

The driving medium is used for driving a plurality of toothed plates 4 to synchronously and horizontally move, the driving medium comprises a gear 41, the gear 41 is fixedly sleeved on the rotating shaft 2, the toothed plates 4 are distributed around the circumference of the gear 41, and the four toothed plates 4 are meshed with the gear 41. The fixed sleeving mode of the gear 41 and the rotating shaft 2 ensures that the gear 41 and the rotating shaft synchronously rotate. The four toothed plates 4 are circumferentially distributed around the gear 41 and are meshed with the gear 41, and the gear 41 can simultaneously drive the four toothed plates 4 to synchronously and horizontally move when rotating by the design, so that the position of the clamping ring 7 can be accurately adjusted to meet the clamping requirements of workpieces with different sizes.

The dismouting piece is convenient for dismantle the installation to clamp ring 7, and the dismouting piece includes first screw 61, second screw 73, screw 71 and nut 72, and first screw 61 is seted up on mounting panel 6, and second screw 73 is seted up on clamp ring 7, and screw 71 threaded connection is on first screw 61 and second screw 73, and nut 72 threaded connection is on screw 71, and first screw 61 and second screw 73 locate the coplanar, and the inside of first screw 61 and second screw 73 is equipped with the external screw with screw 71 screw-thread fit.

The nut 72 is attached to the side wall of the clamping ring 7, and a cushion pad is arranged on the inner wall of the clamping ring 7.

The opposite sides of the inner walls of the base 1 and the supporting plate 3 are provided with guide strips which are convenient for a plurality of toothed plates 4 to slide horizontally. In the whole toothed plate 4 moving process, the guide strips on two opposite sides of the inner walls of the base 1 and the supporting plate 3 play a role in guiding the toothed plate 4, and the guide strips can limit the moving direction of the toothed plate 4, so that the toothed plate can only slide along the horizontal direction, the stability and the reliability of the device are effectively improved, and the toothed plate 4 is ensured to slide stably horizontally.

It should be noted that, the specific model specification of the motor 22 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method is related to the art, so that the description is omitted.

The utility model can explain its functional principle by the following modes of operation:

when the machined part needs to be clamped, the motor 22 is started, the output end of the motor 22 drives the rotating shaft 2 to rotate, the gear 41 can rotate along with the rotating shaft 2, along with the rotation of the gear 41, four toothed plates 4 can be driven to move horizontally synchronously, the toothed plates 4 move to drive the connecting frame 5 and the mounting plate 6 to move, then the clamping ring 7 at the end side of the mounting plate 6 moves, the machined part can be surrounded by adjusting the position of the clamping ring 7, and the preliminary positioning of the machined part is realized. Then, the clamping ring 7 to be used is attached to the mounting plate 6, then the screws 71 pass through the first screw holes 61 and the second screw holes 73, and then the nuts 72 are used for tightening, so that the clamping ring 7 is fixed on the mounting plate 6, and the clamping of the workpiece is completed. When the workpiece needs to be replaced or the clamp ring 7 needs to be adjusted, the nut 72 is unscrewed, and the screw 71 is taken out, so that the clamp ring 7 can be detached from the mounting plate 6 for replacement or adjustment.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. The clamping device for machining comprises a base (1) and a supporting plate (3), and is characterized in that a rotating shaft (2) is connected to the upper rotation of the base (1), the rotating shaft (2) is connected with the supporting plate (3) in a rotating mode, a plurality of notches (31) are formed in the supporting plate (3), a plurality of toothed plates (4) are connected in a sliding mode in the notches (31), a plurality of connecting frames (5) are fixedly connected to the end sides of the toothed plates (4), a mounting plate (6) is fixed to the end sides of the connecting frames (5), and clamping rings (7) are detachably mounted on the end sides of the mounting plate (6);

Further comprises:

the driving piece is used for driving the rotating shaft (2) to rotate;

The transmission piece is used for driving the plurality of toothed plates (4) to synchronously and horizontally move;

the dismounting piece is convenient for dismounting and mounting the clamping ring (7).

2. A clamping device for machining according to claim 1, wherein the driving member comprises:

the mounting frame (21), the said mounting frame (21) is fixed on said base (1);

the motor (22), motor (22) are fixed on mounting bracket (21), motor (22) output with pivot (2) fixed connection.

3. A clamping device for machining according to claim 1, wherein the transmission member comprises:

the gear (41), the gear (41) is fixedly sleeved on the rotating shaft (2).

4. A clamping device for machining according to claim 3, characterized in that the toothed plates (4) are arranged in four rows around the circumference of the gear wheel (41), the four toothed plates (4) each being in engagement with the gear wheel (41).

5. The clamping device for machining according to claim 4, wherein the base (1) and the inner wall of the supporting plate (3) are provided with guide bars on opposite sides for facilitating horizontal sliding of the plurality of toothed plates (4).

6. The clamping device for machining according to claim 4, wherein said detachable member comprises:

The first screw hole (61) is formed in the mounting plate (6);

the second screw hole (73), the second screw hole (73) is opened on the clamping ring (7);

A screw (71), the screw (71) being screwed to the first screw hole (61) and the second screw hole (73);

-a nut (72), said nut (72) being screwed onto said screw (71).

7. A clamping device for machining according to claim 6, characterized in that the first screw hole (61) is co-located with the second screw hole (73).

8. The clamping device for machining according to claim 7, characterized in that the first screw hole (61) and the second screw hole (73) are internally provided with external threads which are in threaded engagement with the screw (71).

9. A clamping device for machining according to claim 8, characterized in that the nut (72) is attached to the side wall of the clamping ring (7).

10. A clamping device for machining according to claim 1, characterized in that the inner wall of the clamping ring (7) is provided with a cushion.