Suspension wire clamp

Abstract

The invention discloses a suspension wire clamp which comprises a driving part, a driven part and an elastic connecting part arranged between the driving part and the driven part, and the driving part comprises a driving shaft and a plane tip arranged at one end of the driving shaft. The driven part comprises an end cover and an ejector rod arranged on one side of the end cover, one side of the end cover is connected with the workpiece to be machined, and the other side of the end cover abuts against the limiting end face of the plane center through the ejector rod to be used for limiting the axial position. The elastic connecting part comprises driving winding columns arranged at one end of the driving shaft, driven winding columns arranged on one side of the end cover and suspension wires matched with the driving winding columns and the driven winding columns, the multiple driving winding columns are evenly distributed in the circumferential direction with the axis of the driving shaft as the center, and the multiple driven winding columns are evenly distributed in the circumferential direction with the axis of the end cover as the center; the driving wrapping posts and the driven wrapping posts are distributed in a staggered mode, and the suspension wires are matched with the wrapping posts from the outer side to be used for transmitting torque. The technical problem that the machining precision is poor due to the fact that the driving shaft and the workpiece to be machined are not concentric can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of tooling fixtures, in particular to a hanging wire fixture. Background Art

[0002] In the traditional grinding process of shell parts, a center stand is usually used to support and position the workpiece to be processed. However, the workpiece to be processed and the driving shaft used to drive the workpiece to rotate are rigidly connected. When the part and the driving shaft are not concentric, the processing accuracy will be reduced, especially the roundness cannot be guaranteed, thus affecting the processing quality of the part. Summary of the invention

[0003] The object of the present invention is to provide a wire suspension clamp, which can elastically link the driving shaft and the workpiece to be processed, thereby solving the technical problem of poor processing accuracy caused by the non-concentricity between the driving shaft and the workpiece to be processed.

[0004] In order to achieve the above object, the present invention adopts the following technical solution.

[0005] A wire suspension clamp comprises an active part, a driven part and an elastic connecting part arranged between the active part and the driven part. The active part comprises an active shaft and a plane top arranged at one end of the active shaft. The end of the plane top is provided with a limiting end surface perpendicular to the axis of the active shaft.

[0006] The driven part includes an end cover and a push rod arranged on one side of the end cover. The axis of the end cover is parallel to the axis of the driving shaft. One side of the end cover is connected to the workpiece to be processed, and the other side is pushed against the limiting end face of the plane top through the push rod to limit the axial position.

[0007] The elastic connection part includes an active winding post arranged at one end of the active shaft, a driven winding post arranged at one side of the end cover, and a suspension wire cooperating with the active winding post and the driven winding post. The active winding post is parallel to the axis of the active shaft, and multiple active winding posts are evenly distributed along the circumferential direction with the axis of the active shaft as the center. The driven winding post is parallel to the axis of the end cover, and multiple driven winding posts are evenly distributed along the circumferential direction with the axis of the end cover as the center. The active winding post and the driven winding post are staggered with each other, and the suspension wire cooperates with the active winding post and the driven winding post from the outside to transmit torque.

[0008] Furthermore, the winding poles are all provided with circumferential arc grooves, and the arc grooves on the plurality of winding poles are on the same plane, and the suspension wires cooperate with the winding poles through the arc grooves.

[0009] Furthermore, a plurality of arc grooves are evenly arranged on the winding pole along the length direction, and the arc grooves at corresponding positions on different winding poles are on the same plane.

[0010] Furthermore, two active winding poles and two driven winding poles are provided respectively.

[0011] Furthermore, the suspension wire is made of steel wire, and is stretched tight on the outside of the active winding post and the driven winding post.

[0012] Furthermore, the suspension wire is an open structure, and both ends of the suspension wire are connected by a fastening mechanism for adjusting the tension of the suspension wire on the winding pole.

[0013] Furthermore, the push rod is arranged in the middle of the end cover, one end of the push rod is fixedly connected to the end cover, and the other end is provided with a positioning ball. The push rod contacts the limiting end face of the plane top through the positioning ball to achieve axial positioning of the workpiece to be processed.

[0014] Furthermore, a plurality of mounting holes are provided on the end cover for fixing and mounting workpieces to be processed of different specifications.

[0015] After adopting the above technical solution, the present invention has the following beneficial effects: 1. The present invention adopts an elastic connection between the driving shaft and the workpiece to be processed, thereby avoiding interference between the driving shaft and the workpiece due to non-concentricity and improving processing accuracy; 2. The present invention realizes effective transmission of torque through the suspension wire, thereby increasing the reliability of clamping; 3. The present invention has a simple structure and is easy to install and operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a main structural schematic diagram of the present invention.

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the present invention.

[0018] Figure 3 yes Figure 1 Schematic diagram of the cross-sectional structure along the AA direction.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the present invention from another perspective (the driving shaft and the workpiece to be processed are omitted).

[0020] Description of the drawings: 1. Active part, 11. Active shaft, 12. Plane top, 13. Limiting end face, 2. Driven part, 21. End cover, 22. Push rod, 23. Positioning ball, 3. Elastic connecting part, 31. Active winding column, 32. Driven winding column, 33. Suspension wire, 34. Arc groove, 4. Workpiece to be processed. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the features and performance of a wire suspension clamp in the present invention are further described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] Embodiment 1 As attached Figures 1 to 4As shown, a wire suspension clamp includes an active part 1, a driven part 2 and an elastic connecting part 3 arranged between the active part 1 and the driven part 2. The active part 1 includes an active shaft 11 and a planar top 12 arranged at one end of the active shaft 11. The end of the planar top 12 is provided with a limiting end surface 13 perpendicular to the axis of the active shaft 11.

[0023] The driven part 2 includes an end cover 21 and a push rod 22 arranged on one side of the end cover 21. The axis of the end cover 21 is parallel to the axis of the driving shaft 11. One side of the end cover 21 is connected to the workpiece 4 to be processed, and the other side is pressed against the limiting end face 13 of the flat top 12 by the push rod 22 to limit the axial position.

[0024] The push rod 22 is arranged in the middle of the end cover 21. One end of the push rod 22 is fixedly connected to the end cover 21, and the other end is provided with a positioning ball 23. The push rod 22 contacts the limiting end face 13 of the plane top 12 through the positioning ball 23 to achieve axial positioning of the workpiece 4 to be processed.

[0025] The end cover 21 is provided with a plurality of mounting holes for fixing and mounting workpieces 4 to be processed of different specifications.

[0026] The elastic connection part 3 includes a driving winding post 31 disposed at one end of the driving shaft 11 , a driven winding post 32 disposed at one side of the end cover 21 , and a suspension wire 33 matched with the driving winding post 31 and the driven winding post 32 .

[0027] The driving winding post 31 is parallel to the axis of the driving shaft 11, and multiple driving winding posts 31 are evenly distributed along the circumference with the axis of the driving shaft 11 as the center. The driven winding post 32 is parallel to the axis of the end cover 21, and multiple driven winding posts 32 are evenly distributed along the circumference with the axis of the end cover 21 as the center. The driving winding post 31 and the driven winding post 32 are staggered. The suspension wire 33 cooperates with the driving winding post 31 and the driven winding post 32 from the outside to transmit torque.

[0028] The number of the active winding pole 31 and the driven winding pole 32 is determined according to the size of the equipment and the torque to be transmitted. Preferably, in this embodiment, two active winding poles 31 and two driven winding poles 32 are provided respectively.

[0029] The winding posts are all provided with circumferential arc grooves 34 , and the arc grooves 34 on the plurality of winding posts are on the same plane. The suspension wire 33 cooperates with the winding posts through the arc grooves 34 .

[0030] In particular, a plurality of arc grooves 34 may be evenly arranged on the winding pole along the length direction, and the arc grooves 34 at corresponding positions on different winding poles are on the same plane.

[0031] The suspension wire 33 is made of steel wire and is stretched tight on the outside of the active winding post 31 and the driven winding post 32 .

[0032] In particular, the suspension wire 33 is an open structure, and the two ends of the suspension wire 33 are connected by a fastening mechanism for adjusting the tension of the suspension wire 33 on the winding pole.

[0033] In specific implementation, the driving shaft 11 is connected to the driving mechanism to provide power, the workpiece 4 to be processed is radially limited and set on the machine tool by the center frame, and the end cover 21 is coaxially set at one end of the workpiece 4 to be processed.

[0034] The angle of the workpiece 4 to be processed is adjusted so that the two driven winding poles 32 and the two active winding poles 31 are approximately on the same cylindrical surface and are evenly and staggeredly distributed.

[0035] The positioning ball 23 at the end of the push rod 22 is pressed against the limiting end surface 13 of the plane top 12 to limit the axial position of the workpiece 4 to be processed.

[0036] The suspension wire 33 is wound around the outside of the active winding post 31 and the driven winding post 32, and the suspension wire 33 falls into the arc groove 34 on each winding post located in the same plane to cooperate with the winding post, and the suspension wire 33 is tightened and locked with a fastening mechanism to keep it in a taut state.

[0037] The driving mechanism is started to rotate the driving shaft 11 , and torque is transmitted between the driving winding post 31 and the driven winding post 32 via the suspension wire 33 .

[0038] Since the driving shaft 11 is elastically connected to the workpiece 4 to be processed by the suspension wire 33 , even if there is a coaxiality error between the driving shaft 11 and the workpiece 4 to be processed, it will not affect the radial positioning accuracy of the workpiece 4 to be processed on the center frame.

[0039] Embodiment 2 Different from the first embodiment, when the torque to be transmitted between the active part 1 and the driven part 2 is relatively large, two or more suspension wires 33 may be provided to increase the load capacity.

[0040] It should be noted that the parts not described in detail in this scheme are all prior art, and the above embodiments are only used to illustrate the present invention, but the present invention is not limited to the above embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention fall within the protection scope of the present invention.

Claims

1. A wire suspension clamp, comprising an active part (1), a passive part (2) and an elastic connecting part (3) arranged between the active part (1) and the passive part (2), characterized in that: The active part (1) comprises an active shaft (11) and a planar top (12) provided at one end of the active shaft (11), wherein the end of the planar top (12) is provided with a limiting end surface (13) perpendicular to the axis of the active shaft (11). The driven part (2) comprises an end cover (21) and a push rod (22) provided on one side of the end cover (21); the axis of the end cover (21) is parallel to the axis of the driving shaft (11); one side of the end cover (21) is connected to a workpiece (4) to be processed; and the other side of the end cover (21) is pressed against a limiting end surface (13) of a planar top (12) through the push rod (22) to limit an axial position. The elastic connection part (3) comprises an active winding post (31) arranged at one end of the active shaft (11), a driven winding post (32) arranged at one side of the end cover (21), and a suspension wire (33) cooperating with the active winding post (31) and the driven winding post (32); the active winding post (31) is parallel to the axis of the active shaft (11); a plurality of active winding posts (31) are evenly distributed along the circumference with the axis of the active shaft (11) as the center; the driven winding post (32) is parallel to the axis of the end cover (21); a plurality of driven winding posts (32) are evenly distributed along the circumference with the axis of the end cover (21) as the center; the active winding post (31) and the driven winding post (32) are staggeredly distributed; and the suspension wire (33) cooperates with the active winding post (31) and the driven winding post (32) from the outside to transmit torque.

2. A wire suspension clamp as claimed in claim 1, characterized in that: The winding posts are all provided with circumferential arc grooves (34), and the arc grooves (34) on the plurality of winding posts are on the same plane. The suspension wire (33) is matched with the winding post through the arc grooves (34).

3. A wire suspension clamp as claimed in claim 2, characterized in that: A plurality of arc grooves (34) are evenly arranged on the winding pole along the length direction, and the arc grooves (34) at corresponding positions on different winding poles are on the same plane.

4. A wire suspension clamp as claimed in claim 1, characterized in that: Two active winding poles (31) and two driven winding poles (32) are provided respectively.

5. A wire suspension clamp as claimed in claim 1, characterized in that: The suspension wire (33) is made of steel wire and is stretched tight on the outside of the active winding post (31) and the driven winding post (32).

6. A wire suspension clamp as claimed in claim 5, characterized in that: The suspension wire (33) is an open structure, and two ends of the suspension wire (33) are connected by a fastening mechanism, which is used to adjust the tension of the suspension wire (33) on the winding column.

7. A wire suspension clamp as claimed in claim 1, characterized in that: A push rod (22) is arranged in the middle of the end cover (21), one end of the push rod (22) is fixedly connected to the end cover (21), and the other end is provided with a positioning ball (23). The push rod (22) contacts the limiting end surface (13) of the plane top (12) through the positioning ball (23), thereby realizing axial positioning of the workpiece (4) to be processed.

8. A wire suspension clamp as claimed in claim 1, characterized in that: The end cover (21) is provided with a plurality of mounting holes for fixing and mounting workpieces (4) to be processed of different specifications.

Images