CN219747173U - Precise rotary clamp for machining - Google Patents

Abstract

The utility model relates to the technical field of machining, in particular to a precise rotary clamp for machining. The device comprises a machine base, wherein a rotating shaft is transversely arranged on the machine base, the rotating shaft rotates on the machine base, an intermediate shaft is transversely inserted on the rotating shaft, the intermediate shaft moves on the rotating shaft, an outer transmission shaft is transversely inserted on one side of the intermediate shaft, the outer transmission shaft moves on the rotating shaft through the intermediate shaft, a clamping mechanism is arranged on one side of the outer transmission shaft, the clamping mechanism is positioned on the outer side of the machine base, and the clamping mechanism moves and clamps on the side edge of the machine base through the cooperation between the outer transmission shaft and the intermediate shaft; the clamping device is suitable for clamping a workpiece product in rotary working, and the product is not easy to loosen in subsequent processing, so that the processing efficiency is improved.

Description

Precise rotary clamp for machining

Technical Field

The utility model relates to the technical field of machining, in particular to a precise rotary clamp for machining.

Background

When processing equipment carries out the part processing among the prior art, select to use clamp holding part back to process generally, but current anchor clamps are fixed size generally, can not adapt to not unidimensional processing part, and use scene is single, and the practicality is relatively poor, and is pressing from both sides tightly the back to processing part, and processing part is easy to become flexible from the anchor clamps in the course of working, and then influences processing, leads to using inconveniently.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the precise rotary clamp for machining, which is suitable for clamping a workpiece product during rotary work, and the product is not easy to loosen in subsequent machining, so that the machining efficiency is improved.

The technical aim of the utility model is realized by the following technical scheme: the device comprises a machine base, a rotating shaft is transversely arranged on the machine base, the rotating shaft rotates on the machine base, an intermediate shaft is transversely inserted in the rotating shaft and moves on the rotating shaft, an outer transmission shaft is transversely inserted in one side of the intermediate shaft and moves on the rotating shaft through the intermediate shaft, a clamping mechanism is arranged on one side of the outer transmission shaft and is located on the outer side of the machine base, and the clamping mechanism moves and clamps on the side edge of the machine base through cooperation between the outer transmission shaft and the intermediate shaft.

Preferably, the miniature air cylinders are transversely arranged on the front side and the rear side of the rotating shaft, an air cylinder connecting block is inserted on the other side of the middle shaft, and the miniature air cylinders are in driving connection with the two sides of the air cylinder connecting block.

Preferably, the clamping mechanism comprises a rotating wheel, a guide disc is arranged on one side of the rotating wheel, a plurality of chuck sliding blocks and a plurality of stand columns are arranged on one side of the guide disc, chuck panels are arranged on one side of the stand columns, the chuck panels are arranged on the rotating wheel through the stand columns, and the chuck sliding blocks and the stand columns are uniformly distributed in a surrounding mode along the circle center of the rotating wheel.

Preferably, a groove is formed in one side of the rotating wheel, the guide disc is nested in the groove, and a straight notch is formed in the guide disc; one end of the chuck sliding block is movably arranged on the rotating wheel, and the other end of the chuck sliding block is movably arranged on the guide disc through the straight slot.

Preferably, a spring piece is arranged on one side of the cylinder connecting block, and the spring piece is sleeved on the rotating shaft.

Preferably, a bearing sleeve is arranged on one side of the cylinder connecting block, and the bearing sleeve is arranged between the cylinder connecting block and the intermediate shaft.

Preferably, the middle shaft is provided with an eccentric groove, and a lug matched with the eccentric groove is formed outside the outer transmission shaft; the intermediate shaft is provided with a clamping groove, and the intermediate shaft is fixedly connected with the cylinder connecting block through the clamping groove.

Preferably, a driving motor is arranged at the bottom of the rotating shaft and is in driving connection with the rotating shaft.

Preferably, the driving motor is provided with a synchronous wheel assembly, and the rotating shaft is connected with the driving motor through the synchronous wheel assembly for driving.

In summary, the utility model has the following beneficial effects:

1. the cylinder connecting block, the spring piece, the intermediate shaft, the outer transmission shaft, the clamping mechanism and the micro cylinder are inserted into the rotating shaft, the eccentric groove is formed in the intermediate shaft, the protruding block matched with the eccentric groove is formed outside the outer transmission shaft, and the parts are matched with each other, so that the parts are in driving connection, and the clamping and the opening of the workpiece are realized.

2. The bottom of the rotating shaft is provided with a driving motor, the driving motor is in driving connection with the rotating shaft, a synchronous wheel assembly is arranged on the driving motor, the rotating shaft is in driving connection with the driving motor through the synchronous wheel assembly, and the clamping mechanism is driven to do circular motion, so that the rotation of a workpiece is realized.

Drawings

FIG. 1 is a schematic view of a precision rotating jig for machining;

FIG. 2 is another schematic view of a precision rotating jig for machining;

FIG. 3 is a schematic view of an exploded construction of a precision rotating fixture for machining;

FIG. 4 is a schematic view showing a semi-sectional structure of a precision rotary jig for machining;

fig. 5 is a schematic view showing still another structure of a precision rotary jig for machining.

Reference numerals: 1. a base; 2. a rotating shaft; 3. a cylinder connecting block; 4. a bearing sleeve; 5. an intermediate shaft; 6. an outer transmission shaft; 7. an eccentric groove; 8. a micro cylinder; 9. a clamping mechanism; 901. a rotating wheel; 902. a guide disc; 903. a chuck slide block; 904. a column; 905. a chuck panel; 906. a straight slot; 10. a driving motor; 11. a synchronizing wheel assembly; 12. a spring member; 13. and fixing the rod.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5, the precision rotating clamp for machining comprises a machine base 1, wherein a rotating shaft 2 is transversely arranged on the machine base 1, the rotating shaft 2 rotates on the machine base 1, an intermediate shaft 5 is transversely inserted on the rotating shaft 2, the intermediate shaft 5 moves on the rotating shaft 2, an outer transmission shaft 6 is transversely inserted on one side of the intermediate shaft 5, the outer transmission shaft 6 moves on the rotating shaft 2 through the intermediate shaft 5, a clamping mechanism 9 is arranged on one side of the outer transmission shaft 6, the clamping mechanism 9 is positioned on the outer side of the machine base 1, the clamping mechanism 9 moves and clamps on the side edge of the machine base 1 through the cooperation between the outer transmission shaft 6 and the intermediate shaft 5, micro cylinders 8 are transversely arranged on the front side and the rear side of the rotating shaft 2, a cylinder connecting block 3 is inserted on the other side of the intermediate shaft 5, the micro cylinders 8 are in driving connection with the two sides of the cylinder connecting block 3, a bearing sleeve 4 is arranged on one side of the cylinder connecting block 3, the intermediate shaft 5 is provided with an eccentric groove 7, a lug (not shown in the figure) which is matched with the eccentric groove 7 is formed on the outer transmission shaft 6, and the eccentric groove 7 moves in the eccentric groove 7 when the eccentric groove 7 is driven to move, and the eccentric groove 7 moves in the eccentric groove 7; the middle shaft 5 is provided with a clamping groove, the cylinder connecting block 3 is fixedly connected with the middle shaft 5 through the clamping groove, one side of the cylinder connecting block 3 is provided with a spring piece 12, the spring piece 12 is sleeved on the rotating shaft 2, in addition, the rotating shaft 2, the middle shaft 5, the outer transmission shaft 6 and the clamping mechanism 9 are communicated, and further, the space for placing processing parts is prolonged, so that the processing parts with different lengths can be clamped;

the clamping mechanism 9 comprises a rotating wheel 901, a guide disc 902 is arranged on one side of the rotating wheel 901, a plurality of chuck sliding blocks 903 and a plurality of stand columns 904 are arranged on one side of the guide disc 902, a chuck panel 905 is arranged on one side of the stand columns 904, the chuck panel 905 is arranged on the rotating wheel 901 through the stand columns 904, the plurality of chuck sliding blocks 903 and the plurality of stand columns 904 are uniformly distributed around the circle center of the rotating wheel 901, a groove is formed on one side of the rotating wheel 901, the guide disc 902 is nested in the groove, and a straight notch 906 is formed in the guide disc 902; one end of the chuck slider 903 is movably mounted on the rotating wheel 901, and the other end of the chuck slider 903 is movably mounted on the guide disc 902 through a straight notch 906.

The bottom of the rotating shaft 2 is provided with a driving motor 10, the driving motor 10 is in driving connection with the rotating shaft 2, the driving motor 10 is provided with a synchronous wheel assembly 11, the rotating shaft 2 and the driving motor 10 are connected and driven through the synchronous wheel assembly 11, two ends of a spring piece 12 are respectively abutted to the cylinder connecting block 3 and the synchronous wheel assembly 11, the machine base 1 is further provided with a fixing rod 13, and the fixing rod 13 can be used for reinforcing firmness between the machine base 1, so that the machine can run more safely and smoothly.

Working principle: when a workpiece needs to be clamped, the micro cylinder 8 drives the cylinder connecting block 3 to move towards the inside of the machine base 1, at the moment, the spring piece 12 is compressed under pressure, the cylinder connecting block 3 drives the intermediate shaft 5 to move towards the inside of the machine base 1, the eccentric groove 7 is driven to move when the intermediate shaft 5 moves, the convex block moves in the eccentric groove 7 to deviate, the outer transmission shaft 6 is driven to move towards the inside of the machine base 1, the guide disc 902 is driven to move leftwards and deviate to one side, the chuck sliding block 903 moves to one side in the straight groove opening 906 and completes the opening action, the micro cylinder 8 is reset after the workpiece is placed, the pressure borne by the spring piece 12 disappears and releases the elastic force, the micro cylinder connecting block 3 is assisted to reset the cylinder connecting block 3, the intermediate shaft 5 is driven to reset, and the guide disc 902 is stressed to move towards the outside of the machine base 1, at the moment, the right end face of the guide disc 902 is completely flush with the right end face of the rotating wheel 901, the chuck sliding block 903 is enabled to reset in the straight groove opening 906, the clamping action is completed, the workpiece clamping and opening action is realized through the actions, the driving motor 10 drives the rotating shaft 2 to move circumferentially, and the clamping mechanism 9 is driven to rotate circularly, and the workpiece is realized.

The above-described embodiments are merely illustrative of the present utility model and are not intended to be limiting, and modifications may be made to the embodiments by those skilled in the art without creative contribution as required after reading the present specification, but are protected by patent laws within the scope of the appended claims.

Claims (9)

1. The utility model provides a precision rotating clamp for machining, its characterized in that, includes the frame, transversely be provided with the axis of rotation on the frame, the axis of rotation rotates on the frame, transversely inserts in the axis of rotation has the jackshaft, and the jackshaft moves in the axis of rotation, and the lateral insertion of jackshaft one side has outer driving axle, and outer driving axle moves in the axis of rotation through the jackshaft, outer driving axle one side is provided with fixture, and fixture is located the frame outside, and fixture moves and the centre gripping through the cooperation between outer driving axle and the jackshaft and then in the side of frame.

2. The precise rotary clamp for machining according to claim 1, wherein micro-cylinders are transversely arranged on the front side and the rear side of the rotating shaft, a cylinder connecting block is inserted on the other side of the intermediate shaft, and the micro-cylinders are in driving connection with the two sides of the cylinder connecting block.

3. The precise rotary clamp for machining according to claim 1, wherein the clamping mechanism comprises a rotating wheel, a guide disc is arranged on one side of the rotating wheel, a plurality of chuck sliding blocks and a plurality of stand columns are arranged on one side of the guide disc, chuck panels are arranged on one side of the stand columns, the chuck panels are arranged on the rotating wheel through the stand columns, and the chuck sliding blocks and the stand columns are uniformly distributed around the center of the rotating wheel.

4. The precise rotary clamp for machining according to claim 3, wherein a groove is formed in one side of the rotating wheel, the guide disc is nested in the groove, and a straight notch is formed in the guide disc; one end of the chuck sliding block is movably arranged on the rotating wheel, and the other end of the chuck sliding block is movably arranged on the guide disc through the straight slot.

5. The precision rotating clamp for machining according to claim 2, wherein a spring member is arranged on one side of the cylinder connecting block, and the spring member is sleeved on the rotating shaft.

6. The precision rotating clamp for machining according to claim 2, wherein a bearing housing is provided on one side of the cylinder block, and the bearing housing is interposed between the cylinder block and the intermediate shaft.

7. The precision rotating clamp for machining according to claim 1, wherein the intermediate shaft is provided with an eccentric groove, and the outer driving shaft is externally formed with a protruding block matched with the eccentric groove; the intermediate shaft is provided with a clamping groove, and the intermediate shaft is fixedly connected with the cylinder connecting block through the clamping groove.

8. The precision rotating clamp for machining according to claim 1, wherein a driving motor is arranged at the bottom of the rotating shaft and is in driving connection with the rotating shaft.

9. The precision rotating clamp for machining according to claim 8, wherein the driving motor is provided with a synchronizing wheel assembly, and the rotating shaft is connected with the driving motor through the synchronizing wheel assembly.