CN220863320U - Workpiece clamping device for machine tool machining - Google Patents

Abstract

The application discloses a workpiece clamping device for machine tool machining, which is applied to a moving mechanism of a numerical control machine tool, and comprises a device chassis, a supporting seat, a clamping table and a clamping assembly, wherein the device chassis is provided with a clamping mechanism, and the clamping mechanism comprises a clamping mechanism base, a clamping mechanism base and a clamping mechanism base: the lifting assembly is fixedly arranged on the upper end surface of the device chassis, and a waste limiting device is arranged at the outer side of the upper end surface of the device chassis; the support seat is arranged in the device chassis and near the upper end, and a rotating assembly is arranged on the support seat; the clamping table is arranged on the rotating assembly; the clamping assembly is arranged at the outer side of the clamping table; the clamping table is in a round table shape, and a cavity for temporarily storing waste materials is formed between the supporting seat and the inner surface of the device chassis; the technical essential is that the shape of gripping platform is the round platform shape, and the waste material that produces during processing can directly follow the surface motion of gripping platform, can directly fall in the arc opening, and the waste material can not pile up, and it can not influence the installation of follow-up product, excellent in use effect has good application prospect.

Description

Workpiece clamping device for machine tool machining

Technical Field

The utility model belongs to the field of machine tool machining, and particularly relates to a workpiece clamping device for machine tool machining.

Background

The numerical control machine is a short name of numerical control machine, is an automatic machine equipped with a program control system, the control system can logically process a program defined by control codes or other symbol instructions, decode the program, input the program into a numerical control device through an information carrier, send various control signals through the numerical control device through operation processing, control the action of the machine, and automatically process parts according to the shape and the size required by a drawing.

In order to ensure that a workpiece can be better processed when a numerical control machine tool is used, a clamping device is usually used for limiting the position of the workpiece, and in order to better clamp a part, a plurality of related devices are invented, wherein a workpiece clamping device for machining the machine tool is arranged.

The patent number is CN217991766U, the patent name is a clamping and fixing device for a control machine tool, when the clamping and fixing device for the control machine tool is used, a fixed pore plate on two sliding strips is connected and fixed with the control machine tool, meanwhile, a flat pushing cylinder is fixed on the control machine tool through a screw, then, when the device is used, the flat pushing cylinder is started to push a movable plate to horizontally move on the sliding strips to reach a proper processing position, meanwhile, a movable screw rod arranged on a bearing seat on the movable plate is manually rotated, a movable screw cylinder is driven to drive a clamping bottom plate horizontally pushed and slidably arranged on the movable plate to horizontally move and adjust to a proper installation position, then place the work piece that needs processing between a plurality of clamp plates, then start the vertical lift of centre gripping cylinder, promote the layering and rotate on the linking piece, thereby drive the layering and rotate, and then support the fixed work piece that needs processing of holding on pressing the seat, thereby can automatic clamping fix the work piece, make things convenient for the later stage to dismantle the processing, and then improve loading and unloading efficiency, thereby guarantee machining efficiency, thereby overcome current digit control machine tool anchor clamps and adopted manual locking's mode to fix the work piece, fixed mode is complicated, and be difficult for dismantling, when fixing the work piece of same specification, the position that all needs the work piece at every turn is adjusted, thereby expend a large amount of process time, reduce machining efficiency's problem.

Its when using, the mode that adopts to compress tightly realizes fixing for the upper portion of spare part can exist and shelter from, thereby influences the processing of partial spare part, secondly, this kind of mode can appear the waste material after the processing when using and pile up in the installation department, and receive the influence of holder, and this partial waste material is difficult to clear up, can influence subsequent processing, makes the efficiency ratio of processing lower.

In summary, the above-mentioned mud blank forming device for celadon capacitor has certain drawbacks during use, and does not meet the use requirements of people, therefore, we propose a workpiece clamping device for machine tool processing.

Disclosure of Invention

In order to overcome the defects of the prior art, the embodiment of the application provides a workpiece clamping device for machine tool machining, which records a clamping table, wherein the clamping table is in a round table shape when in use, waste materials generated during machining can directly move along the outer surface of the clamping table and can directly fall into an arc-shaped opening, the waste materials can not be piled up, the installation of subsequent products can not be influenced, the using effect is good, and the application prospect is good.

The technical scheme adopted by the embodiment of the application for solving the technical problems is as follows:

The utility model provides a work piece clamping device for lathe processing, its application is with on the moving mechanism of digit control machine tool, this work piece clamping device includes device chassis, supporting seat, gripping platform and clamping assembly:

The lifting assembly is fixedly arranged on the upper end surface of the device chassis, and a waste limiting device is arranged at the outer side of the upper end surface of the device chassis;

The support seat is arranged in the device chassis and near the upper end, and a rotating assembly is arranged on the support seat;

the clamping table is arranged on the rotating assembly;

The clamping assembly is arranged at the outer side of the clamping table;

The shape of the clamping table is in a round table shape, a cavity for temporarily storing waste materials is formed between the supporting seat and the inner surface of the device chassis, a plurality of groups of arc-shaped openings communicated with the cavity are formed in the outer side of the clamping table on the upper end face of the supporting seat, and a discharge hole communicated with the cavity is formed in the outer surface of the device chassis.

During the use, the work piece can be pressed from both sides tightly by clamping assembly, then the lathe directly processes the work piece, and the waste material that produces during the processing can directly slide along the grip slipper, directly passes the arc opening and falls in the discharge gate, realizes the collection of waste material.

The utility model discloses a workpiece clamping device for machine tool machining, which is characterized in that a clamping table is in a round table shape when in use, waste materials generated during machining can directly move along the outer surface of the clamping table and directly fall into an arc-shaped opening, the waste materials cannot be accumulated, the installation of subsequent products cannot be affected, the use effect is good, and the workpiece clamping device has good use prospects.

Preferably, the outer surface of the device chassis is fixedly provided with a vacuum pump, and one end of the vacuum pump is communicated with the position, close to the upper end, inside the cavity through a pipeline.

When the vacuum pump is used, the vacuum pump is started, negative pressure can be generated in the cavity, the negative pressure is transmitted to the arc-shaped opening, peripheral waste can be directly sucked into the cavity, the workload of operators is reduced, and the vacuum pump is convenient to use.

Preferably, the inner bottom surface of the device chassis is obliquely arranged, the lowest part of the inclined surface is positioned at the discharge hole, and guide blocks for guiding movement of waste materials are fixedly arranged on two sides of the inner bottom surface of the device chassis, which are positioned at the discharge hole.

The waste material can move along the inner bottom surface of the device chassis after falling onto the device chassis, is guided by the guide block and then is gathered at the discharge port, and the discharge port is opened regularly, so that the waste material can be directly discharged.

The utility model discloses a workpiece clamping device for machine tool machining, which records a device chassis, improves the inner bottom surface of the device chassis, enables the inner bottom surface of the device chassis to be obliquely arranged, and simultaneously can collect waste materials by matching with the guiding effect of a guiding block, so that the waste materials can be conveniently cleaned by workers, the workload of operators is reduced, and the workpiece clamping device has good use prospect.

Preferably, the rotating assembly includes a rotating disc and a motor:

The rotating disc is rotatably arranged in the middle of the upper end surface of the supporting seat through a bearing;

The motor is fixedly arranged in the middle of the lower end face of the supporting seat, and the telescopic end of the motor penetrates through the supporting seat and is fixedly connected with the lower end face of the rotating disc;

The device comprises a device chassis, wherein a protective cylinder for protecting a motor is arranged in the middle of the inner bottom surface of the device chassis, and the upper end surface of the protective cylinder is attached to the lower end surface of a supporting seat.

When the numerical control machine tool is used, the motor can drive the rotary disk to rotate, so that the angle is changed, the numerical control machine tool can be conveniently used for machining a workpiece better, and the using effect is good.

Preferably, the clamping assembly comprises a plurality of groups of clamping pieces, and the groups of clamping pieces are arranged on the outer surface of the clamping table in an annular array.

Preferably, the clamping piece comprises a strip-shaped seat, a limiting groove, a clamping strip and a spring:

The strip-shaped seat is fixedly arranged on the outer surface of the clamping table;

the limiting groove is formed in the upper end face of the clamping table;

The lower end of the clamping strip is positioned in the limiting groove, and the upper end of the clamping strip is obliquely arranged;

two ends of the spring are fixedly connected with the clamping strip and the side wall of the limit groove respectively;

the spring is positioned on one side of the clamping strip, which is close to the clamping table.

When in use, the spring applies pressure to the clamping strip, so that the clamping strip is tightly attached to a workpiece, thereby realizing the position limit of the workpiece,

The spring structure is only suitable for processing workpieces with low precision requirements; when the precision requirement is high, the spring is replaced by the electric push rod, the electric push rod is locked at the position, the stability of the workpiece is higher, at the moment, the electric push rod is required to be matched with the conductive slip ring, and the electric push rod is kept electrified when the electric push rod rotates at different positions.

The utility model discloses a workpiece clamping device for machine tool machining, which records clamping pieces, when in use, a workpiece is directly aligned to the middle positions of a plurality of groups of clamping pieces, and the workpiece is pressed, so that the workpiece can be limited by being positioned between a plurality of groups of clamping strips, the workpiece is more convenient to limit, the workpiece can be conveniently taken out, the use is more convenient, and the workpiece clamping device has good use prospect.

Preferably, the guide rod is fixedly arranged in the limiting groove, and the lower ends of the spring and the clamping strip are sleeved on the guide rod.

The guide rod can limit the movement direction of the clamping strip, so that the clamping strip can better apply pressure to the workpiece to limit the position of the workpiece.

Preferably, the bar seat is kept away from the holding bench's an end and has been seted up the bin outlet, bin outlet and spacing groove intercommunication, the lower terminal surface slope setting of bin outlet, install the suction head through metal collapsible tube and bellows on the supporting seat, the one end and the cavity intercommunication of suction head.

After the suction head is used, the suction head is in butt joint with the discharge hole, so that waste can be directly drawn out, no staff is required to clean the waste independently, and the use is convenient.

In summary, the present utility model includes at least one of the following beneficial technical effects:

The utility model discloses a workpiece clamping device for machine tool machining, which is characterized in that a clamping table is in a round table shape when in use, waste materials generated during machining can directly move along the outer surface of the clamping table and can directly fall into an arc-shaped opening, the waste materials can not be accumulated, the installation of subsequent products can not be influenced, the use effect is good, and the workpiece clamping device has good use prospect.

Secondly, the utility model discloses a workpiece clamping device for machine tool machining, which discloses a device chassis, improves the inner bottom surface of the device chassis, enables the inner bottom surface of the device chassis to be obliquely arranged, and simultaneously can collect waste materials by matching with the guiding effect of a guiding block, so that the waste materials can be conveniently cleaned by staff, the workload of the staff is reduced, and the workpiece clamping device has good use prospect.

The workpiece clamping device for machine tool machining is characterized by directly aligning the workpiece to the middle positions of the clamping pieces when in use, and pressing the workpiece, so that the workpiece can be limited by being positioned between the clamping strips, the workpiece is more convenient to limit, the workpiece can be conveniently taken out, the use is more convenient, and the workpiece clamping device has good use prospect.

Drawings

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

FIG. 2 is a block diagram of other angles of the present utility model;

FIG. 3 is a partial installation structure of the support base of the present utility model;

FIG. 4 is a bottom view of the chassis of the device of the present utility model;

Fig. 5 is an enlarged view of the structure of fig. 3 a of the present utility model.

Reference numerals: 1. a device chassis; 2. a support base; 3. a clamping table; 4. a clamping member; 5. an arc opening; 6. a discharge port; 7. a vacuum pump; 8. a guide block; 9. a turntable; 10. a suction head; 11. a protective cylinder; 12. a limit groove; 13. a clamping bar; 14. a spring; 15. and a discharge port.

Detailed Description

The workpiece clamping device for machine tool machining solves the problems that in the prior art, when the device is used, the clamping mode is adopted to achieve fixation, the upper part of a part is shielded, the machining of part parts is affected, and secondly, when the device is used, waste materials after machining are accumulated at an installation position and are affected by the clamping piece, the part of waste materials are difficult to clean, the subsequent machining is affected, and the machining efficiency is lower.

Example 1:

As shown in fig. 1-5, the workpiece clamping device for machine tool machining is applied to a moving mechanism of a numerical control machine tool, and comprises a device chassis 1, a supporting seat 2, a clamping table 3 and a clamping assembly:

The lifting assembly is fixedly arranged on the upper end surface of the device chassis 1, the waste limiting device is arranged at the outer side of the upper end surface of the device chassis 1 and is composed of vertical plates, so that waste is prevented from being diffused everywhere during processing, and a worker can conveniently clean the waste; the support seat 2 is arranged in the device chassis 1 and near the upper end, and a rotating assembly is arranged on the support seat 2; the clamping table 3 is arranged on the rotating component; the clamping assembly is arranged on the outer side of the clamping table 3;

Wherein, the shape of centre gripping platform 3 is round platform shape, forms the cavity that is used for temporarily storing the waste material between the internal surface of supporting seat 2 and device chassis 1, and the up end of supporting seat 2 is located the outside of centre gripping platform 3 and has seted up a plurality of groups and cavity intercommunication's arc opening 5, and the waste material passes arc opening 5 and enters into the inside of cavity, and the discharge gate 6 with the cavity intercommunication has been seted up to the surface of device chassis 1, and discharge gate 6 is provided with the rubber buffer, takes off the rubber buffer during the clearance and can realize the discharge of waste material.

During the use, the work piece can be pressed from both sides tightly by clamping assembly, then the lathe directly carries out processing to the work piece, and the waste material that produces during the processing can directly slide along the grip slipper 3, directly passes arc opening 5 and falls in discharge gate 6, realizes the collection of waste material.

The utility model discloses a workpiece clamping device for machine tool machining, which discloses a clamping table 3, wherein the clamping table 3 is in a round table shape when in use, waste materials generated during machining can directly move along the outer surface of the clamping table 3 and directly fall into an arc-shaped opening 5, the waste materials cannot be accumulated, the installation of subsequent products cannot be affected, the use effect is good, and the application prospect is good.

Example 2:

on the basis of embodiment 1, as shown in fig. 1 to 5, this embodiment is a structure of the inner bottom surface of the device chassis 1.

The outer surface of the device chassis 1 is fixedly provided with a vacuum pump 7, and one end of the vacuum pump 7 is communicated with the position, close to the upper end, inside the cavity through a pipeline.

When the vacuum pump 7 is used, the vacuum pump 7 is started, negative pressure can be generated in the cavity, the negative pressure is transmitted to the arc-shaped opening 5, peripheral waste can be directly sucked into the cavity, the workload of operators is reduced, and the vacuum pump is convenient to use.

The interior bottom surface slope of device chassis 1 sets up, and the lowest department on this inclined plane is located discharge gate 6 departments, and the interior bottom surface of device chassis 1 is located the equal fixed mounting in both sides of discharge gate 6 and is used for guiding the guide block 8 of waste material motion, and the waste material can rock in the device chassis 1 motion process, can be along the inclined plane motion of inclined plane and guide block 8, gathers in discharge gate 6 departments.

The waste material can move along the inner bottom surface of the device chassis 1 after falling onto the device chassis 1, is guided by the guide block 8 and then is gathered at the discharge port 6, and the discharge port 6 is opened periodically, so that the waste material can be directly discharged.

The utility model discloses a workpiece clamping device for machine tool machining, which is characterized in that a device chassis 1 is described, the inner bottom surface of the device chassis 1 is improved, so that the inner bottom surface of the device chassis 1 is obliquely arranged, and meanwhile, by matching with the guiding effect of a guiding block 8, waste materials can be converged, and a worker can conveniently clean the waste materials, so that the workload of the worker is reduced, and the workpiece clamping device has a good use prospect.

Example 3:

On the basis of embodiment 2, as shown in fig. 1 to 5, this embodiment is a structure of a base 11.

The rotating assembly comprises a rotating disc 9 and a motor:

The rotary disk 9 is rotatably arranged in the middle of the upper end surface of the supporting seat 2 through a bearing; the motor is fixedly arranged in the middle of the lower end face of the supporting seat 2, the motor adopts a servo motor, and the telescopic end of the motor penetrates through the supporting seat 2 and is fixedly connected with the lower end face of the rotating disk 9;

The middle position of the inner bottom surface of the device chassis 1 is provided with a protection cylinder 11 for protecting the motor, the upper end surface of the protection cylinder 11 is attached to the lower end surface of the supporting seat 2, and waste materials can be prevented from interfering the operation of the motor and the rotation of the rotating disc 9.

When the numerical control machine tool is used, the motor can drive the rotary disk 9 to rotate, so that the angle is changed, the numerical control machine tool can be used for machining a workpiece conveniently, and the using effect is good.

The clamping assembly comprises a plurality of groups of clamping pieces 4, the groups of clamping pieces 4 are arranged on the outer surface of the clamping table 3 in an annular array mode, a plurality of positions are clamped, and the stationary phase is better than two positions.

The clamping piece 4 comprises a strip-shaped seat, a limiting groove 12, a clamping strip 13 and a spring 14:

The strip-shaped seat is fixedly arranged on the outer surface of the clamping table 3; the limiting groove 12 is formed in the upper end face of the clamping table 3; the lower end of the clamping strip 13 is positioned in the limit groove 12, and the upper end of the clamping strip 13 is obliquely arranged; two ends of the spring 14 are fixedly connected with the clamping strip 13 and the side wall of the limit groove 12 respectively;

The spring 14 is located at one side of the clamping strip 13 near the clamping table 3, and the spring 14 is a high-strength spring 14, which is difficult to deform after being stretched to a certain extent, so that the workpiece is in a fixed state in the processing process.

When in use, the spring 14 applies pressure to the clamping strip 13, so that the clamping strip 13 is tightly attached to a workpiece, thereby realizing the limit of the position of the workpiece,

The structure of the spring 14 is only suitable for processing workpieces with low precision requirements; when the precision requirement is high, the spring 14 is replaced by the electric push rod, the electric push rod is locked in position, the stability of the workpiece is higher, at the moment, the electric push rod is required to be matched with the conductive slip ring, and the electric push rod is kept electrified when rotating in different positions.

The utility model discloses a workpiece clamping device for machine tool machining, which records clamping pieces 4, and when in use, a workpiece is directly aligned to the middle positions of a plurality of groups of clamping pieces 4, and is pressed, so that the workpiece can be limited by being positioned between a plurality of groups of clamping strips 13, the workpiece is more convenient to limit, and the workpiece can be conveniently taken out, is more convenient to use and has good use prospect.

The guide rod is fixedly arranged in the limiting groove 12, and the lower ends of the spring 14 and the clamping strip 13 are sleeved on the guide rod.

The guiding rod can limit the movement direction of the clamping strip 13, so that the clamping strip 13 can better apply pressure to the workpiece to limit the position of the workpiece.

A discharge opening 15 is formed in one end face, far away from the clamping table 3, of the strip-shaped seat, the discharge opening 15 is communicated with the limiting groove 12, the lower end face of the discharge opening 15 is obliquely arranged, a suction head 10 is mounted on the supporting seat 2 through a metal hose and a corrugated pipe, and one end of the suction head 10 is communicated with the cavity.

After the suction head is used, the suction head 10 is in butt joint with the discharge hole 15, so that waste materials can be directly drawn out, no staff is required to clean the waste materials independently, and the use is convenient.

When the workpiece clamping device for machine tool machining is used, the workpiece is aligned to the middle positions of the clamping pieces 4, and is pressed, so that the workpiece is positioned between the clamping strips 13, and at the moment, the limit of the workpiece is realized by the elastic force of the spring 14;

in the machining process, a motor is started according to requirements, the motor drives a turntable 9 to rotate, and the turntable 9 drives a clamping table 3 to rotate, so that a numerical control machine tool can conveniently machine different positions of a workpiece;

During processing, the vacuum pump 7 is in a starting state, waste generated during processing can be sucked into the cavity through the arc-shaped opening 5, the suction head 10 is aligned to a place where the waste exists on the discharge opening 15 and the supporting seat 2 after processing, all the waste is guided into the cavity, so that the next group of workpieces can be conveniently processed, the discharge opening 6 can be opened after a period of processing, and the waste is taken out.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims (8)

1. A workpiece clamping device for machine tool machining, which is applied to a moving mechanism of a numerical control machine tool, characterized in that the workpiece clamping device comprises:

The device chassis (1) is fixedly provided with a lifting assembly on the upper end surface, and a waste limiting device is arranged at the outer side of the upper end surface;

The supporting seat (2) is arranged in the device chassis (1) and near the upper end, and a rotating assembly is arranged on the supporting seat;

a clamping table (3) mounted on the rotating assembly;

A clamping assembly mounted on the outside of the clamping table (3);

The shape of the clamping table (3) is in a round table shape, a cavity for temporarily storing waste materials is formed between the supporting seat (2) and the inner surface of the device chassis (1), a plurality of groups of arc-shaped openings (5) communicated with the cavity are formed in the position, located on the outer side of the clamping table (3), of the upper end face of the supporting seat (2), and a discharge hole (6) communicated with the cavity is formed in the outer surface of the device chassis (1).

2. A workpiece clamping device for machining a machine tool as defined in claim 1, wherein: the outer surface of the device chassis (1) is fixedly provided with a vacuum pump (7), and one end of the vacuum pump (7) is communicated with the position, close to the upper end, of the inside of the cavity through a pipeline.

3. A workpiece holding device for machine tool machining as claimed in claim 2, wherein: the device is characterized in that the inner bottom surface of the device chassis (1) is obliquely arranged, the lowest part of the inclined surface is located at the discharge hole (6), and guide blocks (8) used for guiding movement of waste materials are fixedly arranged on two sides of the inner bottom surface of the device chassis (1) located at the discharge hole (6).

4. A workpiece holding device for machine tool machining as claimed in claim 3, wherein: the rotating assembly includes:

The rotary disk (9) is rotatably arranged in the middle of the upper end surface of the supporting seat (2) through a bearing;

the motor is fixedly arranged in the middle of the lower end face of the supporting seat (2), and the telescopic end of the motor penetrates through the supporting seat (2) and is fixedly connected with the lower end face of the rotating disc (9);

the device comprises a device chassis (1), wherein a protective cylinder (11) for protecting a motor is arranged in the middle of the inner bottom surface of the device chassis (1), and the upper end surface of the protective cylinder (11) is attached to the lower end surface of a supporting seat (2).

5. A workpiece holding apparatus for machine tool machining as defined in claim 4, wherein: the clamping assembly comprises a plurality of groups of clamping pieces (4), and the groups of clamping pieces (4) are arranged on the outer surface of the clamping table (3) in an annular array.

6. A workpiece holding apparatus for machine tool machining as defined in claim 5, wherein: the clamping member (4) includes:

The strip-shaped seat is fixedly arranged on the outer surface of the clamping table (3);

the limiting groove (12) is formed in the upper end face of the clamping table (3);

The lower end of the clamping strip (13) is positioned in the limit groove (12), and the upper end of the clamping strip is obliquely arranged;

The two ends of the spring (14) are fixedly connected with the side walls of the clamping strip (13) and the limiting groove (12) respectively;

Wherein the spring (14) is positioned at one side of the clamping strip (13) close to the clamping table (3).

7. A workpiece holding apparatus for machine tool machining as defined in claim 6, wherein: the guide rod is fixedly arranged in the limiting groove (12), and the lower ends of the spring (14) and the clamping strip (13) are sleeved on the guide rod.

8. A workpiece holding apparatus for machine tool machining as defined in claim 7, wherein: the strip-shaped seat is far away from one end face of the clamping table (3) and is provided with a discharge hole (15), the discharge hole (15) is communicated with the limiting groove (12), the lower end face of the discharge hole (15) is obliquely arranged, the supporting seat (2) is provided with a suction head (10) through a metal hose and a corrugated pipe, and one end of the suction head (10) is communicated with the cavity.