Thin-wall part machining chuck for bearing manufacturing

Abstract

The utility model discloses a thin-wall part machining chuck for bearing manufacturing, and relates to the technical field of bearing manufacturing. The bearing manufacturing thin-wall part machining chuck comprises a sleeve disc, multiple sets of butt joint parts, a transmission cylinder and a driving mechanism, the butt joint parts are distributed on the outer wall of the sleeve disc in an annular array mode, the included angle between every two adjacent sets of butt joint parts is smaller than 10 degrees, and the transmission cylinder is integrally arranged at the top of the sleeve disc; and the driving mechanism is arranged on the transmission cylinder and is communicated with the interiors of the sleeve disc and the transmission cylinder. According to the machining chuck for the bearing manufacturing thin-wall part, the inner wall of the bearing thin-wall part is subjected to abutting butt-joint clamping through the multiple sets of butt-joint parts, clamping pressure is dispersed, the possibility that the thin-wall part deforms due to uneven pressure is reduced, guarantee is provided for the machining quality of the thin-wall part, and due to the selection of the pneumatic clamping driving mode and the pressurization clamping driving mode, the machining efficiency is improved. And a proper clamping mode can be selected according to the clamping strength required by the thin-wall part, so that the clamping requirements of different machining processes are met.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing manufacturing, in particular to a chuck for processing thin-walled parts in bearing manufacturing. Background Art

[0002] A chuck for processing thin-walled parts in bearing manufacturing with publication number CN212704434U comprises a main shaft and a clamp body, wherein a push rod is arranged inside the main shaft, the main shaft and the clamp body are connected by a flange, a floating plate is arranged inside the clamp body, the floating plate is located at the front end of the push rod, a disc spring group is arranged above the floating plate, a center shaft is installed above the disc spring group, an end face positioning shaft is installed on the center shaft, an elastic sleeve is arranged on the outside of the end face positioning shaft and the center shaft, the outside of the bottom of the elastic sleeve is connected to the floating plate by bolts, a tapered guide sleeve is arranged on the outside of the elastic sleeve, the tapered guide sleeve is fixedly connected to the clamp body, and a plurality of tapered guide sleeve clamps and the elastic sleeve are installed to evenly embrace the outer circular wall during bearing processing, so that the force on the processed workpiece is more even, thereby ensuring the coaxiality of the inner and outer circles of the workpiece.

[0003] The above-mentioned bearing manufacturing thin-walled parts processing chuck adopts a tapered guide sleeve clamp and an elastic sleeve to clamp the bearing thin-walled parts. The tapered chuck may cause expansion deformation to the bearing thin-walled parts when pressurizing and clamping the bearing thin-walled parts, thereby affecting the quality of the bearing thin-walled parts. Therefore, a new type of bearing manufacturing thin-walled parts processing chuck is provided to solve the above-mentioned problem. Utility Model Content

[0004] The utility model aims to provide a chuck for processing thin-walled parts of bearings, which can solve the problem that some chucks for processing thin-walled parts of bearings may cause compression deformation to the thin-walled parts of bearings during the clamping process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chuck for processing thin-walled parts in bearing manufacturing, comprising a sleeve, a docking piece, a transmission cylinder and a driving mechanism, wherein the docking pieces are in multiple groups and are distributed in a circular array on the outer wall of the sleeve, and the angle between two adjacent groups of docking pieces is less than 10°, and the transmission cylinder is integrally formed on the top of the sleeve, and the driving mechanism is arranged on the transmission cylinder and is connected to the sleeve and the interior of the transmission cylinder, and the driving mechanism can drive each group of docking pieces to move toward the outside of the sleeve.

[0006] Preferably, the docking piece includes a docking piece and a sleeve rod, and the outer wall of the sleeve disk is provided with a plurality of groups of movable sleeve holes in a circular array and penetrating therethrough, and a sleeve rod is movably sleeved in the movable sleeve holes, and the end of the sleeve rod located on the outer side of the sleeve disk is fixedly connected with a docking piece, and the docking piece is a U-shaped curved piece structure and can be butted against the inner wall of the bearing; the docking piece also includes a rubber strip, and the inner wall of the docking piece is provided with a plurality of groups of strip grooves distributed in a vertical array, and a rubber strip is embedded and installed in the strip groove.

[0007] Preferably, the driving mechanism is an air pump, and the top of the transmission cylinder is provided with an air pump, the output end of the air pump is connected to the interior of the transmission cylinder, and the end of the sleeve rod located on the inner side of the sleeve disc is connected to a limiting plate.

[0008] Preferably, the driving mechanism is a servo motor, and a servo motor is arranged on the top of the transmission cylinder. The output shaft of the servo motor extends to the inner side of the transmission cylinder through a coupling and is fixedly connected with a lead screw. The end of the lead screw away from the servo motor is threadedly connected with a horizontally arranged push head. The push head is an inverted cone cylinder structure. A vertically distributed guide hole is opened on the top of the push head. A guide rod is fixedly connected to the top of the inner side of the transmission cylinder and is sleeved with the guide hole on the top of the push head. The end of the sleeve rod located on the inner side of the sleeve disk is fixedly connected with an inclined piece that fits with the outer wall of the push head. The sleeve rod is located on the outer wall between the sleeve disk and the inclined piece and is sleeved with a spring, and both ends of the spring are respectively fixedly connected to the sleeve disk and the inclined piece.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the chuck for processing thin-walled parts in bearing manufacturing, through the coordinated design of the sleeve, docking parts, transmission cylinder and driving mechanism, adopts multiple sets of docking parts to carry out abutment and docking clamping on the inner wall of the thin-walled part of the bearing, disperses the clamping pressure, reduces the possibility of deformation of the thin-walled part due to uneven pressure, provides guarantee for the processing quality of the thin-walled parts, and with the choice of pneumatic and pressurized clamping drive modes, the appropriate clamping mode can be selected according to the required clamping strength of the thin-walled parts to meet the clamping requirements of different processing techniques, and has high practicality and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is the front view of the utility model;

[0011] Figure 2 This is a structural diagram of the docking piece of the utility model;

[0012] Figure 3 It is a cross-sectional view of the first embodiment of the utility model;

[0013] Figure 4 It is a cross-sectional view of the second embodiment of the utility model;

[0014] Figure 5 It is an enlarged view of part A of the present utility model.

[0015] In the figure: 1. sleeve disc; 2. docking piece; 21. docking plate; 22. sleeve rod; 23. rubber strip; 3. transmission cylinder; 4. driving mechanism; 41. air pump; 42. servo motor; 5. limit plate; 6. inclined plate; 7. push head; 8. screw rod; 9. guide rod; 10. spring. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model provides a technical solution: a chuck for processing thin-walled parts of bearing manufacturing, including a sleeve 1, a docking piece 2, a transmission cylinder 3 and a driving mechanism 4. The number of the docking pieces 2 is multiple groups and they are distributed on the outer wall of the sleeve 1 in a circular array. The angle between two adjacent groups of docking pieces 2 is less than 10°. The transmission cylinder 3 is integrally formed and arranged on the top of the sleeve 1. The driving mechanism 4 is arranged on the transmission cylinder 3 and communicated with the inside of the sleeve 1 and the transmission cylinder 3. The driving mechanism 4 can drive each group of docking pieces 2 to move to the outside of the sleeve 1. The docking piece 2 includes a docking piece 21 and a sleeve rod 22. The outer wall of the sleeve 1 is provided with multiple groups of docking pieces 2 arranged in a circular array. A circular array of movable sleeve holes is arranged through the movable sleeve holes, and a sleeve rod 22 is arranged in the movable sleeve holes. The end of the sleeve rod 22 located on the outer side of the sleeve disc 1 is fixedly connected with a docking piece 21. The docking piece 21 is a U-shaped curved piece structure and can be butted against the inner wall of the bearing; the docking piece 2 also includes a rubber strip 23. The inner wall of the docking piece 21 is provided with multiple groups of strip grooves distributed in a vertical array, and the rubber strip 23 is embedded in the strip groove. Multiple groups of docking pieces 2 are used to butt and clamp the inner wall of the thin-walled part of the bearing, disperse the clamping pressure, reduce the possibility of deformation of the thin-walled part due to uneven pressure, and provide guarantee for the processing quality of the thin-walled part.

[0018] Furthermore, the driving mechanism 4 is an air pump 41 , and the air pump 41 is arranged on the top of the transmission cylinder 3 , the output end of the air pump 41 is connected to the inside of the transmission cylinder 3 , and the end of the sleeve rod 22 located on the inner side of the sleeve disc 1 is connected to the limiting plate 5 .

[0019] Embodiment 2:

[0020] See also Figure 4 and 5On the basis of the first embodiment, the driving mechanism 4 is a servo motor 42, and a servo motor 42 is arranged on the top of the transmission cylinder 3. The output shaft of the servo motor 42 extends to the inner side of the transmission cylinder 3 through a coupling and is fixedly connected with a screw rod 8. The end of the screw rod 8 away from the servo motor 42 is threadedly connected with a horizontally arranged push head 7. The push head 7 is an inverted cone structure. A vertically distributed guide hole is opened on the top of the push head 7. The top of the inner side of the transmission cylinder 3 is fixedly connected with a guide rod 9 sleeved and connected with the guide hole at the top of the push head 7. The end of the sleeve rod 22 located on the inner side of the sleeve disc 1 is fixedly connected with an inclined piece 6 that fits the outer wall of the push head 7; the sleeve rod 22 is located on the outer wall between the sleeve disc 1 and the inclined piece 6 and is sleeved with a spring 10. The two ends of the spring 10 are respectively fixedly connected to the sleeve disc 1 and the inclined piece 6. The appropriate clamping method can be selected according to the required clamping strength of the thin-walled parts to meet the clamping requirements of different processing processes.

[0021] Working principle: the thin-walled bearing part to be clamped is sleeved on the outside of the docking part 2, and the air pump 41 is controlled to start. The air pump 41 pressurizes the sleeve disc 1 and the transmission cylinder 3. The pressure drives the limit plate 5 and the sleeve rod 22 to move outward, and each group of docking plates 21 moves outward accordingly and pressurizes the thin-walled bearing part to achieve clamping; the servo motor 42 is controlled to start, driving the screw rod 8 to rotate, and the push head 7 descends under the drive of the screw rod 8 and the guidance of the guide rod 9, pushing the inclined plate 6 and the sleeve rod 22 to move outward, driving each group of docking plates 21 to pressurize the thin-walled bearing part.

[0022] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A chuck for processing thin-walled parts in bearing manufacturing, characterized in that: include: A sleeve (1), a docking piece (2), a transmission cylinder (3) and a driving mechanism (4); the docking pieces (2) are in a plurality of groups and are distributed in a circular array on the outer wall of the sleeve (1); the angle between two adjacent groups of docking pieces (2) is less than 10°; the transmission cylinder (3) is integrally formed and arranged on the top of the sleeve (1); the driving mechanism (4) is arranged on the transmission cylinder (3) and is connected to the inside of the sleeve (1) and the transmission cylinder (3); the driving mechanism (4) can drive each group of docking pieces (2) to move toward the outside of the sleeve (1).

2. A chuck for processing thin-walled bearings according to claim 1, characterized in that: The docking member (2) comprises a docking piece (21) and a sleeve rod (22). The outer wall of the sleeve disc (1) is provided with a plurality of groups of movable sleeve holes arranged in a ring array and penetrating therethrough. The sleeve rod (22) is movably sleeved in the movable sleeve holes. The end of the sleeve rod (22) located outside the sleeve disc (1) is fixedly connected with the docking piece (21). The docking piece (21) is a U-shaped curved piece structure and can be butted against the inner wall of the bearing.

3. A chuck for processing thin-walled bearings according to claim 2, characterized in that: The docking piece (2) further comprises a rubber strip (23). The inner wall of the docking piece (21) is provided with a plurality of strip grooves distributed in a vertical array, and the rubber strips (23) are embedded and installed in the strip grooves.

4. A chuck for processing thin-walled bearings according to any one of claims 1 to 3, characterized in that: The driving mechanism (4) is an air pump (41), and the top of the transmission cylinder (3) is provided with the air pump (41). The output end of the air pump (41) is connected to the inside of the transmission cylinder (3), and the end of the sleeve rod (22) located inside the sleeve disc (1) is connected to the limiting plate (5).

5. A chuck for processing thin-walled bearings according to any one of claims 1 to 3, characterized in that: The driving mechanism (4) is a servo motor (42). The top of the transmission cylinder (3) is provided with the servo motor (42). The output shaft of the servo motor (42) extends to the inner side of the transmission cylinder (3) through a coupling and is fixedly connected with a screw rod (8). The end of the screw rod (8) away from the servo motor (42) is threadedly connected with a horizontally arranged push head (7). The push head (7) is an inverted cone cylinder structure. The top of the push head (7) is provided with vertically distributed guide holes. The top of the inner side of the transmission cylinder (3) is fixedly connected with a guide rod (9) sleeved with the guide hole at the top of the push head (7). The end of the sleeve rod (22) located on the inner side of the sleeve disc (1) is fixedly connected with an inclined plate (6) that fits the outer wall of the push head (7).

6. A chuck for processing thin-walled bearings according to claim 5, characterized in that: The sleeve rod (22) is located on the outer wall between the sleeve disc (1) and the inclined plate (6), and a spring (10) is sleeved and installed thereon. The two ends of the spring (10) are respectively fixedly connected to the sleeve disc (1) and the inclined plate (6).

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