Positioning and clamping assembly for precision device machining

Abstract

The invention discloses a positioning and clamping assembly for precision device machining, and relates to the related field of positioning and clamping mechanisms, and the positioning and clamping assembly comprises an adjusting mechanism and a clamping mechanism. By arranging the clamping mechanism and combining an outer side clamping mode and an inner side groove and hole clamping mode, the clamping mode can be flexibly adjusted according to the shapes of different devices, the adaptability is improved, it is ensured that the clamping action is stable and efficient, the height of a contact arm can be adjusted according to the inner side clamping requirement, and the clamping requirements of different groove and hole depths are met; the adjusting mechanism is installed at the bottom of the clamping mechanism, the adjusting mechanism can synchronously adjust the vertical position and the angle of the device, the flexibility and the operation precision of the mechanism are improved, in addition, the machining station can be matched with an external cleaning or blowing device, comprehensive cleaning or blowing is conducted in the downward moving process of the clamping mechanism, and the machining efficiency is improved. And equipment cleanliness and machining environment neatness are effectively guaranteed, the service life of the equipment is prolonged, and the adaptability, accuracy and maintenance convenience of the automatic clamping system are integrally improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of positioning and clamping mechanism, in particular to a positioning and clamping assembly for precision device processing. BACKGROUND

[0002] In the field of precision device processing, positioning and clamping assembly as a key structure to ensure the processing precision, processing stability and equipment efficiency has been widely used in various numerical control machine tools, automatic assembly equipment and intelligent manufacturing units. The traditional positioning and clamping assembly mostly relies on mechanical clamps or simple pneumatic devices, usually has the characteristics of simple structure and low manufacturing cost, but has certain limitations in actual application, such as the clamping force cannot be flexibly adjusted according to the structure of the device, poor adaptability to special-shaped or recessed hole devices, easy to cause damage to the surface of the device or positioning error during clamping, etc. In addition, in complex working conditions or multi-station automatic operation, the traditional clamping assembly is often difficult to complete the functions of clamping, positioning and cleaning, affecting the overall processing efficiency and precision control. SUMMARY

[0003] Therefore, in order to solve the above problems, the present application provides a positioning and clamping assembly for precision device processing.

[0004] In order to achieve the above purpose, the present application adopts the following technical scheme: a positioning and clamping assembly for precision device processing, comprising an adjusting mechanism, the adjusting mechanism is provided with a clamping mechanism at the top, the clamping mechanism is used for clamping the outside or inside of the device, and the clamping mechanism adjusts the height and angle position with the adjusting mechanism; the adjusting mechanism comprises a bottom plate for supporting, a support rod arranged at the top left end of the bottom plate, a guide arranged at the upper end of the support rod, a rotating part connected to the right side of the support rod, a guide column arranged at the lower end of the rotating part and connected to the bottom plate at the bottom, a moving part connected to the upper end of the rotating part, a support part connected to the moving part and arranged at the top of the bottom plate, and a cylinder mounted on the top of the support part, the cylinder bottom push rod penetrates the support part and connects the moving part, and the top of the rotating part is connected with the clamping mechanism.

[0005] Preferably, a guide groove is formed on the outside of the rotating part, and the guide groove is movably embedded in the guide.

[0006] Preferably, the upper end of the rotating part is disc-shaped, and the disc is movably embedded into the inside of the moving part.

[0007] Preferably, a sliding groove is formed in the middle of the support part for the sliding of the moving part.

[0008] Preferably, the clamping mechanism comprises a guide shell arranged at the top of the rotating member, a driving motor arranged at the bottom of the guide shell, a top cover arranged at the top of the guide shell, a transmission mechanism arranged in the middle of the guide shell and connected to the top output shaft of the driving motor, a movable member penetrating the guide shell and connected to the transmission mechanism inside, and a contact arm arranged outside the movable member.

[0009] Preferably, the movable member is provided with three groups.

[0010] Preferably, the transmission mechanism comprises a rotating rod connected to the output shaft of the driving motor at the bottom and provided with threads at the lower end outside, a sliding member threadedly connected to the lower end outside of the rotating rod, three groups of connecting rods hinged to the outside of the sliding member, and a linkage rod hinged to the connecting rods at the middle outside, and the upper end of the connecting rod and the lower end of the linkage rod are respectively hinged to the upper and lower positions inside the movable member.

[0011] Preferably, the sliding member is provided with three protrusions at the three ends outside, and the protrusions are hinged to the connecting rods.

[0012] Preferably, the inside of the movable member is provided with a gas spring, the top of the gas spring is provided with a push rod connected to an adapter block, and the outside of the adapter block is connected to the contact arm.

[0013] Preferably, a strip-shaped groove is arranged outside the movable member, and the strip-shaped groove is penetrated by the adapter block.

[0014] The beneficial effects of the present application are as follows:

[0015] The clamping mechanism is provided, which combines the clamping methods of the outside clamping and the inside groove and hole clamping, can flexibly adjust the clamping method according to different device shapes, improves the adaptability, ensures the stable and efficient clamping action, adjusts the height of the contact arm for the inside clamping requirement, meets the clamping requirements of different groove and hole depths, and installs the adjusting mechanism at the bottom of the clamping mechanism, which can synchronously adjust the up-down position and angle of the device, improves the flexibility and operation precision of the mechanism, in addition, the processing station can cooperate with the external cleaning or blowing device to comprehensively clean or blow during the downward movement of the clamping mechanism, effectively ensures the cleanliness of the equipment and the neatness of the processing environment, prolongs the service life of the equipment, and improves the adaptability, precision and maintenance convenience of the automatic clamping system as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of the present application;

[0017] Figure 2 is a structural schematic diagram of the adjusting mechanism of the present application;

[0018] Figure 3 is a connecting structure schematic diagram of the rotating member of the present application;

[0019] Figure 4 is the schematic diagram of the clamping mechanism structure of the present application;

[0020] Figure 5 is the schematic diagram of the transmission mechanism structure of the present application;

[0021] Figure 6 is the schematic diagram of the movable part structure of the present application.

[0022] Among them: adjusting mechanism-1, clamping mechanism-2, bottom plate-11, support-12, guide-13, rotating-14, guide column-15, moving-16, support-17, cylinder-18, guide shell-21, drive motor-22, top cover-23, transmission mechanism-24, movable-25, contact arm-26, rotating rod-241, sliding-242, connecting rod-243, linkage-244, gas spring-251, adapter block-252. DETAILED DESCRIPTION

[0023] In order to further explain the technical scheme of the present application, the following specific embodiments are described in detail.

[0024] Please refer to Figure 1 The present application provides a positioning and clamping assembly for precision device processing, comprising an adjusting mechanism 1 for synchronous adjustment of up-down position and angle, and a clamping mechanism 2 installed on the top front end of the adjusting mechanism 1, which can realize inner clamping or outer stable clamping of the workpiece.

[0025] Please refer to Figures 2-3 The adjusting mechanism 1 comprises a bottom plate 11 for support, a support 12 vertically welded on the top left end of the bottom plate 11, a guide 13 installed on the inner upper end of the support 12, a rotating part 14 connected to the right side of the guide 13, a guide groove formed on the outer side of the rotating part 14, the guide 13 movably embedded inside the guide groove, a guide column 15 outside which the rotating part 14 is sleeved, the guide column 15 fixed on the top of the bottom plate 11, the clamping mechanism 2 connected to the top of the rotating part 14, the rotating part 14 having a disc shape on the outer side of the upper end, the disc position movably embedded into the inner part of the moving part 16, the moving part 16 connected to the support 17 at the rear end, the support 17 welded on the top of the bottom plate 11 at the bottom, and the support 17 having a sliding groove in the middle part for the sliding of the moving part 16, the cylinder 18 installed on the top end of the support 17, the cylinder 18 bottom push rod penetrating through the support 17 to connect the moving part 16, and the moving part 16 moving up and down following the cylinder 18.

[0026] Please refer to Figures 4-6The clamping mechanism 2 comprises a guide shell 21 mounted on the top of the rotating member 14, a driving motor 22 mounted on the bottom of the guide shell 21, a top cover 23 fixed on the top of the guide shell 21, three groups of movable members 25 penetrating through the outer side of the guide shell 21, contact arms 26 connected to the outer side of the movable members 25, and a transmission mechanism 24 installed in the guide shell 21 and connected to the driving motor 22 and the movable members 25;

[0027] The transmission mechanism 24 comprises a rotating rod 241 arranged in the middle of the top cover 23, a thread formed on the outer side of the lower end of the rotating rod 241, the bottom of the rotating rod 241 connected to the output shaft of the driving motor 22, the outer side of the lower end of the rotating rod 241 threadedly connected to a sliding member 242, the outer side of the three ends of the sliding member 242 protruding, the inner side of the protruding position hinged to a connecting rod 243, the middle of the connecting rod 243 hinged to a linkage rod 244, and the upper end of the connecting rod 243 and the lower end of the linkage rod 244 respectively hinged to the upper and lower positions of the inner side of the movable members 25.

[0028] The movable members 25 are internally provided with cavities, the cavities are internally provided with air springs 251 at the bottom, the top of the air springs 251 pushes out a connecting block 252, the outer side of the movable members 25 is provided with a strip-shaped slot, and the outer side of the connecting block 252 penetrates through the strip-shaped slot to connect the contact arms 26.

[0029] The specific implementation process is as follows:

[0030] When the device needs to be clamped, the device can be placed on the top of the top cover 23 according to the shape of the device for outside clamping or inside recess position, hole clamping, the driving motor 22 is started to work, the driving motor 22 drives the rotating rod 241 to rotate, the rotating rod 241 drives the sliding member 242 to move up and down during the rotating process, the connecting rod 243 is stressed on the linkage rod 244 during the moving process, the movable members 25 are pushed out or pulled back, the contact arms 26 clamp the device, if the inside clamping according to the depth of the recess or hole is needed, the air spring 251 in the movable members 25 is started to push up the connecting block 252, the connecting block 252 is pushed up to adjust the height position of the outer end of the contact arms 26.

[0031] When the position needs to be lowered or rotated, the cylinder 18 is started to work, the cylinder 18 acts on the moving member 16, the moving member 16 makes the rotating member 14 move down, the guide groove on the outer side can contact the guide member 13 during the moving down process, the rotating member moves down during the moving process, the cylinder 18 pulls back the moving member 16 to reset, a cleaning or air blowing mechanism can be arranged at the lower end of the machining station to facilitate the omnidirectional cleaning or air blowing of the workpiece or the clamping mechanism 2 during the moving down process, the cleaning nozzle or the air blowing nozzle can be directional and immobile, and multiple directions can be cleaned comprehensively.

[0032] The above merely describes the preferred examples of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications can be made to the foregoing embodiments, or some of the technical features thereof can be equivalently replaced, without departing from the spirit and principle of the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A positioning and clamping assembly for precision device processing, characterized by: The adjusting mechanism is provided with a clamping mechanism on the top thereof, and the clamping mechanism is used for clamping the device from the outside or the inside, and the clamping mechanism is adjusted in height and angle position along with the adjusting mechanism; The adjusting mechanism comprises a bottom plate for supporting, a supporting rod arranged at the top left end of the bottom plate, a guide arranged at the inner upper end of the supporting rod, a rotating piece connected to the right side of the supporting rod, a guide column arranged at the lower end of the rotating piece and connected to the bottom plate, a moving piece connected to the upper end of the rotating piece, a supporting piece connected to the moving piece and arranged at the top of the bottom plate, and a cylinder arranged at the top of the supporting piece, wherein the cylinder is connected to the moving piece through the supporting piece by means of a rod penetrating the cylinder from the bottom thereof.

2. The positioning and clamping assembly for precision device processing of claim 1, wherein: The rotating piece is provided with a guide groove on the outside thereof, and the guide groove is movably embedded with the guide.

3. The positioning and clamping assembly for precision device processing of claim 2, wherein: The upper end of the rotating piece is disc-shaped, and the disc is movably embedded into the moving piece.

4. The positioning and clamping assembly for precision device processing of claim 2, wherein: The supporting piece is provided with a sliding groove in the middle thereof for the moving piece to slide.

5. The positioning and clamping assembly for precision device processing of claim 2, wherein: The clamping mechanism comprises a guide shell arranged at the top of the rotating piece, a driving motor arranged at the bottom of the guide shell, a top cover arranged at the top of the guide shell, a transmission mechanism arranged in the middle of the guide shell and connected to the output shaft of the driving motor, a movable piece penetrating the guide shell and connected to the transmission mechanism, and a contact arm arranged on the outside of the movable piece.

6. The positioning and clamping assembly for precision device processing of claim 5, wherein: The movable piece is provided with three groups.

7. The positioning and clamping assembly for precision device processing of claim 6, wherein: The transmission mechanism comprises a rotating rod connected to the output shaft of the driving motor and provided with a thread on the lower end thereof, a sliding piece threadedly connected to the lower end of the rotating rod, three groups of connecting rods hinged to the outside of the sliding piece, and a linkage rod hinged to the connecting rods in the middle thereof, wherein the upper end of the connecting rod and the lower end of the linkage rod are respectively hinged to the upper and lower positions of the movable piece.

8. The positioning and clamping assembly for precision device processing of claim 7, wherein: The sliding piece is provided with three protrusions on the three ends thereof, and the protrusions are hinged to the connecting rods.

9. The positioning and clamping assembly for precision device processing of claim 6, wherein: The movable piece is provided with a gas spring in the inside thereof, and the rod of the gas spring is connected to a connecting block, and the connecting block is connected to the contact arm.

10. The positioning and clamping assembly for precision device processing of claim 9, wherein: The movable piece is provided with a strip-shaped groove on the outside thereof, and the strip-shaped groove is penetrated by the connecting block.

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