CN111283991A

CN111283991A - Combined synchronous double-drive fixing platform

Info

Publication number: CN111283991A
Application number: CN202010083144.3A
Authority: CN
Inventors: 苏国荣; 周洪峰; 尹屹
Original assignee: Hunan Jiangnan Siling Numerical Control Machinery Co ltd
Current assignee: Hunan Jiangnan Siling Numerical Control Machinery Co ltd
Priority date: 2020-02-08
Filing date: 2020-02-08
Publication date: 2020-06-16

Abstract

The invention discloses a combined step-by-step double-drive fixed platform, which comprises a base, movable supports movably arranged on the base and rotating tables rotatably connected to the movable supports, wherein the rotating tables on the two movable supports are oppositely arranged, a clamp for clamping a workpiece and a detachable top column are arranged on each rotating table, the clamp is used for clamping the workpiece, the top column is used for supporting a special-shaped workpiece, the two rotating tables can clamp the workpiece from two ends to keep the rotating stability of the workpiece, and a driving structure for driving the rotating tables to rotate is arranged on the base; and the rotary table is provided with a matched ejection column for assisting the fixture to clamp workpieces with irregular and complex surfaces, the ejection column is telescopic and is provided with an expandable pointed head, and the workpieces are further kept stably clamped.

Description

Combined synchronous double-drive fixing platform

Technical Field

The invention relates to the technical field of composite material winding tools, in particular to a combined synchronous double-drive fixing platform.

Background

In the field of modern aerospace, due to the fact that requirements for aerospace tools are higher and higher, requirements for materials are correspondingly higher and higher, wherein the most significant is that the materials are light in weight and high in strength, early changes mainly comprise changing steel materials into aluminum alloys or other alloy materials, in recent years, alloy materials such as aluminum alloys cannot meet the requirements sometimes, and research and development personnel begin to consider using composite materials. As a result, additive technology is becoming widely accepted, which is mainly to use metal as a substrate and then wind, lay or coat non-metal materials, such as glass fiber soaked by organic liquid, on the surface.

Parts in the aerospace field are often large in mass and size, and high in precision requirement. When processing such parts, ordinary frock often is difficult to satisfy the requirement. The common tool is often difficult to meet the requirements of winding or laying the non-metal composite material. Or, when the workpiece is wound, power is provided only at one end, and when the workpiece is large, the motions of the two ends of the workpiece cannot be completely synchronized. Alternatively, since the two ends of many workpieces are opposite in nature and the clamping is unstable, there is a need in the art for a tool that can solve the above problems.

Disclosure of Invention

The invention aims to solve the problems that the motions of two ends of a workpiece can not be completely synchronous and the two ends of the workpiece are not good in opposite sex clamping in the prior art, and provides a combined step-by-step double-drive fixing platform.

In order to achieve the purpose, the invention adopts the following technical scheme:

synchronous two fixed platforms that drive of combination, including base, activity set up movable support and swivelling joint in the revolving stage of movable support on the base, two revolving stage on the movable support sets up relatively, set up anchor clamps and the detachable fore-set of pressing from both sides tight work piece on the revolving stage, anchor clamps are used for cliping the work piece, and the fore-set is used for propping heterotypic work piece, and two revolving stages can be cliped the work piece from both ends, keep the rotatory stability of work piece, set up the rotatory drive structure of drive revolving stage on the base, the drive structure can drive two revolving stages and rotate in step.

Further, the drive structure includes driving motor, fixed axle, hold-in range, sun gear, intermediate gear and ring gear, driving motor's output end is fixed to be set up initiative bevel gear, the fixed driven bevel gear who cup joints with initiative bevel gear meshing on the fixed axle, the both ends of fixed axle set up mobilizable movable sleeve, movable sleeve passes through the hold-in range with the center pin at sun gear middle part and is connected, one side fixed connection revolving stage of ring gear, the ring gear is located sun gear's outside and coaxial with sun gear, set up the intermediate gear who meshes respectively with ring gear and sun gear between ring gear and the sun gear, ring gear, sun gear and intermediate gear all with movable support swivelling joint.

The driving motor drives the central gear to rotate through the fixed shaft, the central gear drives the gear ring to rotate through the intermediate gear, so that the rotating tables rotate, the rotating tables are symmetrically arranged, and the driving motor can drive the two rotating tables to rotate simultaneously.

Further, the fore-set includes the fixing base of being connected usefulness with the revolving stage, one side of fixing base sets up the extensible member, the fixed conical tip that sets up of one end of extensible member, the side of tip sets up at least one and the coaxial annular groove of toper, the inside of annular groove sets up the gasbag that adapts to with the annular groove, one side fixed connection annular groove of gasbag, other sides of gasbag are the free end, the one end setting of gasbag is used for making the expanded blast air structure of gasbag, and the gasbag inflation can make the fore-set more fully contact with the surface of different in nature work piece, provides the stability of work piece centre gripping.

The air blowing structure that further makes the gasbag inflation step, the clamping side of revolving stage one end sets up the mounting groove, the mounting groove in the center of revolving stage disperse for the center, fixing base one side of fore-set sets up the T type slider that suits with the mounting groove, still set up set screw on the fixing base for the removal and the location of fore-set. The use of a top post is optional.

Further, the air blowing structure comprises an air inlet shell, a negative pressure fan and an air inlet pipe, the negative pressure fan is arranged inside the air inlet shell, one end of the air outlet of the negative pressure fan is connected with the air inlet pipe, the air outlet end of the air inlet pipe is fixedly connected with a hose, and the air outlet end of the hose is communicated with the inner cavity of the air bag.

Specifically, the extensible member includes the cylinder, one side of cylinder is fixed fixedly and is set up the casing that admits air in the blast air structure, the intercommunicating pore is seted up to the work push rod one end of cylinder, intercommunicating pore intercommunication hose, the inside of fore-set is seted up and is worked the middle trachea that intercommunicated pore communicates in the push rod, set up the branch pipe of intercommunication gasbag on the middle trachea.

The air blowing structure further comprises an air overflow pipe, one end of the air overflow pipe is communicated with the air outlet end of the negative pressure fan, a pressure switch is arranged on the air overflow pipe, a pressure switch is arranged on the air inlet pipe, and when the air bag is inflated, the air overflow pipe is closed and the air inlet pipe is opened; when the pressure in the air bag reaches a certain value, the air overflow pipe is opened, and the air inlet pipe is closed; when the workpiece needs to be disassembled, the air overflow pipe is opened, and the air inlet pipe is opened and used for maintaining pressure and deflating the air bag.

The invention has the beneficial effects that: the two rotating platforms of the synchronous double-drive fixed platform are symmetrically arranged, so that workpieces can be clamped from two ends of the workpieces, and the workpieces can be clamped more stably; and the rotary table is provided with a matched ejection column for assisting the fixture to clamp workpieces with irregular and complex surfaces, the ejection column is telescopic and is provided with an expandable pointed head, and the workpieces are further kept stably clamped.

Drawings

FIG. 1 is a schematic structural diagram of the combined synchronous dual-drive fixed platform;

FIG. 2 is a schematic view of the rotary table of the present combination synchronous dual drive fixed platform;

FIG. 3 is a schematic structural view of the combined synchronous dual-drive fixed platform top column;

FIG. 4 is a schematic view of the top column tip of the present combination synchronous dual-drive fixed platform;

fig. 5 is a schematic view of the combined synchronous dual-drive fixed platform top column air bag expansion.

In the figure: 1. a base; 2. a movable support; 3. a rotating table; 4. a clamp; 5. a top pillar; 6. a ring gear; 7. a sun gear; 8. an intermediate gear; 9. a central shaft; 10. a movable sleeve; 11. a fixed shaft; 12. a drive bevel gear; 13. a driven bevel gear; 14. a synchronous belt; 101. a slider; 102. a drive motor; 31. mounting grooves; 51. a fixed seat; 52. a T-shaped slider; 53. a cylinder; 54. a working push rod; 55. an air intake housing; 56. a negative pressure fan; 57. an air overflow pipe; 58. an air inlet pipe; 59. a hose; 510. a tip; 511. a middle trachea; 512. an air bag; 513. a branch pipe; 514. supporting the vertex.

Detailed Description

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

Referring to fig. 1, the combined synchronous double-drive fixed platform comprises a base 1, a sliding groove is arranged on the base 1, a sliding block adapted to the sliding groove on the base 1 is arranged at the bottom of a movable bracket 2, the movable bracket 2 is connected with the base 1 in a sliding way, a positioning structure (not shown) is arranged between the movable bracket 2 and the base 1, the movable supports 2 are provided with two rotating tables 3 which are rotationally connected with the movable supports 2, the rotating tables 3 on the two movable supports 2 are oppositely arranged, the rotary table 3 is provided with a clamp 4 for clamping a workpiece and a detachable top pillar 5, the clamp 4 is used for clamping the workpiece, the top pillar 5 is used for supporting the special-shaped workpiece, the two rotary tables 3 can clamp the workpiece from two ends to keep the stability of the rotation of the workpiece, set up the rotatory drive structure of drive revolving stage 3 on the base 1, drive structure can drive two revolving stages 3 synchronous rotations.

Further, the driving structure comprises a driving motor 102, a fixed shaft 11, a synchronous belt 14, a central gear 7, an intermediate gear 8 and a gear ring 6, the driving motor 102 is fixedly arranged on the base 1, an output end of the driving motor 102 is fixedly provided with a driving bevel gear 12, the fixed shaft 11 is rotatably connected with the base 1, a driven bevel gear 13 engaged with the driving bevel gear 12 is fixedly sleeved on the fixed shaft 11, two ends of the fixed shaft 11 are provided with movable sleeves 10 which are movable and used for matching the relative movement of the two movable supports 2, the movable sleeves 10 are connected with a central shaft 9 in the middle of the central gear 7 through the synchronous belt 14, one side of the gear ring 6 is fixedly connected with the rotating table 3, the gear ring 6 is positioned outside the central gear 7 and coaxial with the central gear 7, the intermediate gear 8 engaged with the gear ring 6 and the central gear 7 respectively is arranged between the gear ring 6 and the central, the gear ring 6, the central gear 7 and the intermediate gear 8 are all rotationally connected with the movable support 2.

Driving motor 102 passes through the fixed axle and drives central gear 7 and rotate, and central gear 7 drives ring gear 6 through intermediate gear 8 and rotates to make revolving stage 3 rotate, revolving stage 3 symmetry sets up, and driving motor 102 can drive two revolving stages 3 simultaneously and rotate, and the work piece between the revolving stage 3 is followed revolving stage 3 and is rotated, twines the shop head and twines the work piece.

Further, referring to fig. 3-5, the support pillar 5 includes a fixing base 51 connected to the rotary table 3 for use, one side of the fixing base 51 is provided with an air cylinder 53, the air cylinder 53 is used for adjusting the length of the support pillar 5, one end of the telescopic member is fixedly provided with a conical tip 510, the side of the tip 510 is provided with at least one annular groove coaxial with the cone, an air bag 512 adapted to the annular groove is arranged inside the annular groove, one side of the air bag 512 is fixedly connected to the annular groove, the other side of the air bag 512 is a free end, one end of the air bag 512 is provided with an air blowing structure for expanding the air bag 512, and when the supporting vertex 514 at one end of the chuck 510 abuts against the depression on the surface of the workpiece, the air bag 512 expands to enable the support pillar to be more fully contacted with the surface of the opposite workpiece, so as to provide stability.

Referring to fig. 2, further, in the air blowing structure for inflating the airbag 512, the mounting groove 31 is disposed on the clamping side of one end of the rotary table 3, the mounting groove 31 diverges from the center of the rotary table 3 as the center, the T-shaped slider 52 adapted to the mounting groove 31 is disposed on one side of the fixing seat 51 of the top pillar 5, and the fixing seat 51 is further provided with a positioning screw for mounting, moving and positioning the top pillar 5. The use of the top pillar 5 is optional.

Further, referring to fig. 3, the air blowing structure includes an air inlet housing 55, a negative pressure fan 56 and an air inlet pipe 58, the air inlet housing 55 in the air blowing structure is fixedly arranged on one side of the air cylinder 53, the negative pressure fan 56 is arranged in the air inlet housing 55, one end of air outlet of the negative pressure fan 56 is connected with the air inlet pipe 58, a hose 59 is fixedly connected to an air outlet end of the air inlet pipe 58, a communication hole is formed in one end of a working push rod 54 of the air cylinder 53, the communication hole is communicated with the hose 59, an intermediate air pipe 511 communicated with the communication hole in the working push rod 54 is formed in the top column 5, a branch pipe 513 communicated with the air bag 512 is arranged on the intermediate air pipe 511, and the air outlet end of the hose.

The air blowing structure further comprises an air overflow pipe 57, one end of the air overflow pipe 57 is communicated with the air outlet end of the negative pressure fan 56, a pressure switch is arranged on the air overflow pipe 57, a pressure switch is arranged on the air inlet pipe 58, when the air bag 512 is inflated, the air overflow pipe 57 is closed, the air inlet pipe 58 is opened, and the negative pressure fan 56 rotates to inflate the air bag 512; when the pressure in the air bag 512 reaches a certain value, the air overflow pipe 57 is opened, the air inlet pipe 58 is closed, and the pressure of the air bag 512 is maintained for supporting the surface of a workpiece; when the workpiece needs to be disassembled, the air overflow pipe 57 is opened, the air inlet pipe 58 is opened, and the air bag 512 is deflated.

The pressure switches of the air overflow 57 and the air inlet 58 in this embodiment are controlled by the controller, and the extension and retraction of the cylinder also provides controller control.

The two rotating platforms of the synchronous double-drive fixed platform are symmetrically arranged, so that workpieces can be clamped from two ends of the workpieces, and the workpieces can be clamped more stably; and the rotary table is provided with a matched ejection column for assisting the fixture to clamp workpieces with irregular and complex surfaces, the ejection column is telescopic and is provided with an expandable pointed head, so that the workpieces are clamped more stably.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The combined synchronous double-drive fixed platform is characterized by comprising a base (1), movable supports (2) movably arranged on the base (1) and a rotating table (3) rotatably connected to the movable supports (2), wherein the rotating tables (3) on the two movable supports (2) are oppositely arranged, a clamp (4) for clamping a workpiece and a detachable ejection column (5) are arranged on the rotating table (3), and a driving structure for driving the rotating table (3) to rotate is arranged on the base (1);

the utility model discloses a pneumatic control system, including top post (5) and revolving stage (3) be connected fixing base (51) of usefulness, one side of fixing base (51) sets up the extensible member, the fixed conical tip (510) that sets up of one end of extensible member, the side of tip (510) sets up at least one and the coaxial annular groove of toper, the inside of annular groove sets up gasbag (512) with the annular groove adaptation, one side fixed connection annular groove of gasbag (512), other sides of gasbag (512) are the free end, the one end setting of gasbag (512) is used for making gasbag (512) expanded blast air structure.

2. The combined synchronous double-drive fixed platform as claimed in claim 1, wherein the driving structure comprises a driving motor (102), a fixed shaft (11), a synchronous belt (14), a central gear (7), a middle gear (8) and a gear ring (6), a driving bevel gear (12) is fixedly arranged at the output end of the driving motor (102), a driven bevel gear (13) meshed with the driving bevel gear (12) is fixedly sleeved on the fixed shaft (11), movable sleeves (10) are arranged at two ends of the fixed shaft (11), the movable sleeves (10) are connected with a central shaft (9) in the middle of the central gear (7) through the synchronous belt (14), one side of the gear ring (6) is fixedly connected with the rotating table (3), the gear ring (6) is positioned outside the central gear (7) and coaxial with the central gear (7), and the gear ring (6) and the central gear (7) are arranged between the gear ring (6) and the central gear (7) The gear ring (6), the central gear (7) and the intermediate gear (8) are all rotationally connected with the movable support (2).

3. A combined synchronous double-drive fixed platform according to claim 1 or 2, wherein a mounting groove (31) is provided on the clamping side of one end of the rotating platform (3), and the mounting groove (31) diverges from the center of the rotating platform (3).

4. A combined synchronous double-drive fixed platform according to claim 3, wherein a T-shaped sliding block (52) matched with the mounting groove (31) is arranged on one side of the fixed seat (51) of the top column (5), and a positioning screw is further arranged on the fixed seat (51).

5. The combined synchronous double-drive fixed platform according to claim 4, wherein the air blowing structure comprises an air inlet casing (55), a negative pressure fan (56) and an air inlet pipe (58), the negative pressure fan (56) is arranged inside the air inlet casing (55), the air outlet end of the negative pressure fan (56) is connected with the air inlet pipe (58), the air outlet end of the air inlet pipe (58) is fixedly connected with a hose (59), and the air outlet end of the hose (59) is communicated with the inner cavity of the air bag (512).

6. The combined synchronous double-drive fixed platform as claimed in claim 5, wherein the telescopic member comprises a cylinder (53), an air inlet housing (55) in the air blowing structure is fixedly arranged on one side of the cylinder (53), a communication hole is formed in one end of a working push rod (54) of the cylinder (53) and is communicated with a hose (59), a middle air pipe (511) communicated with the communication hole in the working push rod (54) is formed in the top pillar (5), and a branch pipe (513) communicated with the air bag (512) is arranged on the middle air pipe (511).

7. The combined synchronous double-drive fixed platform as claimed in claim 6, wherein the air blowing structure further comprises an air overflow pipe (57), one end of the air overflow pipe (57) is communicated with the air outlet end of the negative pressure fan (56), and a pressure switch is arranged on the air overflow pipe (57).

8. Combined synchronous double-drive fixed platform according to claim 5, characterized in that a pressure switch is arranged on the air inlet pipe (58).