Clamping device for shaft sleeve machining

Abstract

The utility model discloses a clamping device for machining a shaft sleeve, which comprises a U-shaped bracket, the U-shaped bracket is fixedly arranged at the top of a rotating shaft, two split dies which are arranged in a bilateral symmetry manner are arranged in the U-shaped bracket, and the two split dies clamp the shaft sleeve in the opposite die assembly process; the opposite outer sides of the two split dies are connected with the clamping blocks respectively, the opposite outer sides of the two clamping blocks are connected with the sliding rods respectively, and the opposite outer sides of the two sliding rods are fixedly connected with the push-pull plate respectively. The bottom of a U-shaped cavity of the U-shaped bracket is fixedly provided with a double-output-shaft motor used for driving the two split dies to move in the same direction or opposite directions. According to the clamping device for machining the shaft sleeve, the direction of the shaft sleeve can be adjusted after the shaft sleeve is clamped, the two ends of the shaft sleeve can be machined in sequence through one-time clamping, production efficiency is improved, and the problem that machining quality is affected due to positioning errors is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a clamping device for shaft sleeve machining belongs to clamping frock technical field. BACKGROUND

[0002] The clamping device for shaft sleeve machining is mainly used for stably and reliably clamping the shaft sleeve during the shaft sleeve machining process to prevent movement or deformation of the shaft sleeve during the machining process, thereby ensuring machining precision and machining quality. This kind of device is widely used in mechanical manufacturing industry.

[0003] Patent No. CN202221322644.9 discloses a clamping device for shaft sleeve machining with a protective structure, which comprises a clamping seat and a plurality of groups of adjusting mechanisms arranged in axial symmetry. The clamping device uses a cylinder as a power source to drive the positioning clamping jaw to move linearly on the top cover. The positioning clamping jaws arranged in axial symmetry can tighten the shaft sleeve from the inner wall or clamp the shaft sleeve from the outer wall.

[0004] According to the technical solution disclosed in the above patent document, it is believed that the following technical problems still exist in practice:

[0005] When the two ends of the shaft sleeve need to be machined, after one end is machined, the shaft sleeve needs to be manually turned over and re-clamped before machining the other end. The machining process needs to be clamped twice, which not only reduces the overall production efficiency, but also increases the labor intensity of the operator in positioning and adjusting work due to the accumulation of positioning errors.

[0006] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, and therefore needs to be improved. INVENTION CONTENTS

[0007] In view of the deficiencies in the background art, the utility model provides a clamping device for shaft sleeve machining. The shaft sleeve can be turned over after clamping, and the two ends of the shaft sleeve can be machined in sequence by clamping once, thereby improving production efficiency and reducing the problem of affecting machining quality due to positioning errors.

[0008] To solve the above technical problems, the utility model adopts the following technical solutions:

[0009] The clamping device for shaft sleeve machining comprises a U-shaped bracket, the U-shaped bracket is fixedly installed on the top of a rotating shaft, two split molds arranged in left-right symmetry are installed inside the U-shaped bracket, and the clamping of the shaft sleeve is realized during the closing process of the two split molds. The opposite outer sides of the two split molds are connected with clamping blocks, the opposite outer sides of the two clamping blocks are connected with sliding rods, and the opposite outer sides of the two sliding rods are fixedly connected with a push-pull plate. A double-output shaft motor for driving the two split molds to move towards each other or away from each other is fixedly installed at the bottom of the U-shaped cavity of the U-shaped bracket.

[0010] Further, the rotating shaft is installed in the vertical direction in the frame, and the bottom end of the rotating shaft is connected with the stepping motor, and the stepping motor is installed at the bottom of the frame.

[0011] Further, the opposite inner sides of the two split molds are provided with arc-shaped grooves for clamping the shaft sleeve.

[0012] Further, the opposite outer sides of the two clamping blocks are respectively provided with sleeve parts connected with the sliding rods.

[0013] Further, the sliding rods penetrate through the side parts of the U-shaped bracket in the horizontal direction, and the linear bearings are installed at the penetrating positions and are sleeved on the sliding rods.

[0014] Further, the push-pull plate is arranged outside the U-shaped bracket in the vertical direction.

[0015] Further, the double-output-shaft motor comprises a motor body, and the left and right sides of the motor body are respectively provided with output shafts.

[0016] Further, the opposite outer ends of the two output shafts are provided with external threads, and the rotation directions of the external threads on the two output shafts are opposite.

[0017] Further, the opposite outer ends of the two output shafts penetrate through the push-pull plate, and the bottom end parts of the push-pull plate are respectively embedded with nuts threadedly connected with the output shafts.

[0018] Further, the output shafts penetrate through the side parts of the U-shaped bracket in the horizontal direction, and the rolling bearings are installed at the penetrating positions.

[0019] After the above technical scheme is adopted, compared with the prior art, the following advantages are obtained:

[0020] In the utility model, the motor drives the two split molds to move towards each other or away from each other, the two split molds clamp the shaft sleeve during the movement towards each other, the end part of the shaft sleeve is processed after being clamped, and the two split molds loosen the shaft sleeve during the movement away from each other; the U-shaped bracket in the utility model can drive the shaft sleeve to rotate by 180°, and the shaft sleeve can be processed at two ends in turn through one-time clamping;

[0021] When the two ends of the shaft sleeve need to be processed, only one-time clamping is needed, which can improve the production efficiency and reduce the problem of affecting the processing quality caused by positioning errors.

[0022] The utility model will be described in detail below in combination with the drawings and examples. DRAWINGS

[0023] Fig. 1 is the structural schematic diagram of the utility model;

[0024] Fig. 2 is the internal structure schematic diagram of the utility model;

[0025] Fig. 3 is the connection schematic diagram of the split mold and the clamping block.

[0026] In the drawing, 1-U bracket, 2-frame, 3-stepping motor, 4-split mold, 5-clamping block, 6-sliding rod, 7-pull plate, 8-nut, 9-output shaft, 10-external thread, 11-motor body, 12-linear bearing, 13-rolling bearing. DETAILED DESCRIPTION

[0027] In order to have more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be explained by referring to the drawings.

[0028] As Figs. 1-3 The utility model provides a kind of clamping device for shaft sleeve machining, including U bracket 1, two split molds 4 of left-right symmetry are installed in U bracket 1, and the clamping of shaft sleeve is realized in the process of being opposite to mold of two split molds 4.

[0029] U bracket 1 is fixedly installed at the top of rotating shaft, rotating shaft is rotatably installed in frame 2 along vertical direction, and rotating shaft bottom end is connected with stepping motor 3, and stepping motor 3 is installed at the bottom of frame 2.

[0030] Stepping motor 3 drives U bracket 1 to rotate 180 ° by rotating shaft, and then drives shaft sleeve to rotate 180 °, and shaft sleeve can be processed in sequence at both ends by once clamping.

[0031] The opposite inner side of the two split molds 4 is provided with an arc-shaped groove for clamping the shaft sleeve, and the opposite outer side of the two split molds 4 is connected with the clamping block 5 respectively.

[0032] The opposite outer side of the two clamping blocks 5 is connected with the sliding rod 6 respectively, and the opposite outer side of the two clamping blocks 5 is provided with a sleeve part connected with the sliding rod 6.

[0033] The sliding rod 6 is arranged along the horizontal direction through the side of the U bracket 1, and the linear bearing 12 is installed at the through part, and the linear bearing 12 is sleeved on the sliding rod 6, so as to ensure the straightness and stability of the horizontal movement of the sliding rod 6.

[0034] The opposite outer side of the two sliding rods 6 is fixedly connected with the pull plate 7 respectively, and the pull plate 7 is arranged along the vertical direction outside the U bracket 1.

[0035] The U-shaped cavity bottom of the U bracket 1 is fixedly installed with a double-output shaft motor for driving the two split molds 4 to move towards each other or away from each other, and the double-output shaft motor includes a motor body 11, and the left and right sides of the motor body 11 are respectively provided with an output shaft 9.

[0036] The output shaft 9 is arranged through the side of the U-shaped bracket 1 in a horizontal direction, and a rolling bearing 13 is arranged at the through position, which rotatably supports the output shaft 9.

[0037] The opposite outer ends of the two output shafts 9 are provided with external threads 10, and the rotation directions of the external threads 10 on the two output shafts 9 are opposite; the opposite outer ends of the two output shafts 9 are arranged through the push-pull plate 7, and the bottom end portions of the push-pull plate 7 are embedded with nuts 8 which are threadedly connected with the output shafts 9.

[0038] The specific working principle of the utility model is as follows:

[0039] The motor main body 11 drives the left and right output shafts 9 to synchronously rotate, the output shafts 9 drive the left and right push-pull plates 7 to move towards each other or away from each other through thread connection, and then drive the two split molds 4 to move towards each other or away from each other, the two split molds 4 clamp the shaft sleeve during the movement towards each other, and the end portions of the shaft sleeve are machined after clamping, and the two split molds 4 loosen the shaft sleeve during the movement away from each other.

[0040] The stepping motor 3 drives the U-shaped bracket 1 to rotate by 180 degrees through the rotating shaft, and then drives the shaft sleeve to rotate by 180 degrees, and the shaft sleeve can be machined at two ends in turn through one-time clamping.

[0041] The above is the example of the best implementation mode of the utility model, wherein the parts not described in detail are the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A clamping device for machining a bushing, characterized in that: The utility model relates to a split mould clamping device for shaft sleeve, including U bracket (1), U bracket (1) fixed mounting is at the top of the rotating shaft, and the inside installation of U bracket (1) is two split moulds (4) of left and right symmetry setting, and the clamping of the shaft sleeve is realized to two split moulds (4) in the process of facing each other and closing mould, the opposite sides of two split moulds (4) are connected with clamping block (5) respectively, the opposite sides of two clamping block (5) are connected with slide bar (6) respectively, and the opposite sides of two slide bar (6) are fixedly connected with push -and -pull plate (7) respectively, the U-shaped cavity bottom of U bracket (1) is fixedly installed with the double output shaft motor for driving two split moulds (4) and moving towards each other or moving away from each other.

2. The bushing machining chucking device according to claim 1, wherein: The rotating shaft is rotatably installed in the rack (2) along the vertical direction, and the bottom end of the rotating shaft is connected with the stepping motor (3), and the stepping motor (3) is installed at the bottom of the rack (2).

3. The bushing machining chucking device according to claim 1, wherein: The opposite inner sides of the two split moulds (4) are provided with arc-shaped grooves for clamping the shaft sleeve.

4. The bushing machining chucking device as set forth in claim 1, wherein: The opposite outer sides of the two clamping blocks (5) are respectively provided with sleeve portions connected with the slide bars (6).

5. The bushing machining chucking device as set forth in claim 1, wherein: The slide bars (6) are arranged through the side portions of the U-shaped bracket (1) along the horizontal direction, and the linear bearings (12) are installed at the through portions and are sleeved on the slide bars (6).

6. The bushing machining chucking device as set forth in claim 1, wherein: The push-pull plate (7) is arranged outside the U-shaped bracket (1) along the vertical direction.

7. The bushing machining chucking device as set forth in claim 1, wherein: The double output shaft motor includes a motor body (11), and the left and right sides of the motor body (11) are respectively provided with output shafts (9).

8. The bushing machining chucking device according to claim 7, wherein: The opposite outer ends of the two output shafts (9) are respectively provided with external threads (10), and the rotation directions of the external threads (10) on the two output shafts (9) are opposite.

9. The bushing machining chucking device according to claim 8, wherein: The opposite outer ends of the two output shafts (9) are arranged through the push-pull plate (7), and the bottom end portions of the push-pull plate (7) are respectively embedded with nuts (8) threadedly connected with the output shafts (9).

10. The bushing machining chucking device according to claim 9, wherein: The output shafts (9) are arranged through the side portions of the U-shaped bracket (1) along the horizontal direction, and the rolling bearings (13) are installed at the through portions.

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