Disassembly-free shaft sleeve double-end chamfering device

Abstract

The utility model discloses a disassembly-free shaft sleeve double-end chamfering device, which relates to the technical field of shaft sleeve processing, and comprises a base, a rotary table is rotatably arranged on the base, a pair of clamping blocks is slidably arranged on the rotary table, a sliding block is slidably arranged on the base, a rotating shaft is rotatably arranged on the sliding block, and a pair of clamping blocks are slidably arranged on the rotating shaft. A rotating rod is fixedly arranged at one end of the rotating shaft, an outer cutter and an inner cutter are mounted on the rotating rod, and a motor is connected to the other end of the rotating shaft; according to the device, the clamp is arranged on the rotary table, the two ends of the shaft sleeve can be exchanged by rotating the rotary table by 180 degrees, the two ends of the shaft sleeve face the cutter, the shaft sleeve does not need to be detached from the clamp, and the machining efficiency and the machining precision are improved; and the radial positions of the outer cutter and the inner cutter can be adjusted according to the diameter and the wall thickness of the shaft sleeve through the outer cutter holder and the inner cutter holder which are arranged in a sliding mode, so that the device can adapt to shaft sleeves with different diameters and different wall thicknesses, and the applicability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of bushing processing technology, specifically a bushing double-head chamfering device that does not require disassembly. Background Technology

[0002] Bushings are one of the commonly used mechanical parts in mechanical equipment. During the processing of bushings, chamfering of the circumference is required. Generally, the purpose of chamfering is to remove burrs. When guiding the installation of bearings, chamfering can reduce stress concentration and strengthen the strength of shaft parts. In addition, chamfering the sides can also make assembly easier.

[0003] For example, utility model patent CN219005551U discloses a chamfering device for bushing processing, which relates to the field of bushing processing technology. The device includes a processing table, a support column fixedly connected to the bottom of the processing table, a crossbar fixedly connected to the support column, a reinforcing rod fixedly connected to the support column, a fixed seat fixedly installed on the processing table, a rotating shaft rotatably connected inside the fixed seat, a ferrule fixedly connected to the fixed seat, and a first gear plate fixedly connected to one end of the ferrule. It also includes a clamping assembly and a grinding assembly. The clamping assembly is used to clamp the workpiece, and the grinding assembly is used to cut the workpiece.

[0004] However, both ends of the bushing usually need to be chamfered. Existing chamfering devices require removing the bushing from the fixture when chamfering the other end, which reduces work efficiency and machining accuracy. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a double-headed chamfering device for bushings that does not require disassembly, thereby solving the problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a double-headed chamfering device for bushings that does not require disassembly, comprising a base, a turntable rotatably mounted on the base, a pair of clamping blocks slidably mounted on the turntable, each clamping block having a V-shaped opening, a first groove on the base, a slider slidably mounted within the first groove, a rotating shaft rotatably mounted on the slider, a rotating rod fixedly mounted at one end of the rotating shaft, an outer cutter and an inner cutter mounted on the rotating rod, and a motor connected to the other end of the rotating shaft. After the bushing is clamped into the pair of clamping blocks, the rotating shaft can be coaxial with the bushing. Two positioning holes are provided on both sides of the turntable on the base, a positioning block is fixedly connected to one side of the turntable, and a positioning pin is inserted into the positioning block, the positioning pin matching the two positioning holes.

[0007] Preferably, the rotating rod is provided with an outer sliding groove and an inner sliding groove on one side surface of the rotating table, the outer sliding groove is slidably provided with an outer tool holder, the outer cutting tool is detachably connected in the outer tool holder, the inner sliding groove is slidably provided with an inner tool holder, and the inner cutting tool is detachably connected on the inner tool holder.

[0008] Preferably, the outer sliding groove is rotatably provided with a threaded rod one, the outer tool holder is threadedly connected with the threaded rod one, the inner sliding groove is rotatably provided with a threaded rod two, the inner tool holder is threadedly connected with the threaded rod two, and one ends of the threaded rod one and the threaded rod two are provided with knobs.

[0009] Preferably, the rotating table is provided with a pair of sliding grooves two, a pair of the clamping blocks are slidably arranged in the pair of sliding grooves two, the rotating table is rotatably provided with a bidirectional threaded rod, a pair of the clamping blocks are threadedly connected on two threads of the bidirectional threaded rod with opposite rotation directions, and one end of the bidirectional threaded rod is fixedly provided with a handle rod.

[0010] Preferably, the base is fixedly provided with an extension rod, and the extension rod is fixedly connected with the sliding block.

[0011] Beneficial effects

[0012] The utility model provides a disassembly free axle sleeve double -end chamfer device, has the following beneficial effects: this device sets up the clamp on the rotating table, can exchange the both ends of axle sleeve through rotating table rotation 180 degrees, makes its both ends respectively face cutting tool, need not to take down axle sleeve from the clamp, improves processing efficiency and processing accuracy, can adjust the radial position of outer cutting tool and inner cutting tool through the outer tool holder and the inner tool holder of sliding setting according to the diameter and wall thickness of axle sleeve respectively, makes this device can adapt to different diameter and different wall thickness's axle sleeve, improves the applicability of this device. ACCOUT OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is Figure 1 The partial close -up view of A;

[0015] Figure 3 It is the plan view of the utility model;

[0016] Figure 4 It is Figure 3 The sectional view of B - B.

[0017] In the figure: 1, base; 2, rotary table; 3, clamping block; 4, sliding groove one; 5, sliding block; 6, rotating shaft; 7, rotating rod; 8, motor; 9, outer sliding groove; 10, inner sliding groove; 11, outer tool holder; 12, outer cutter; 13, inner tool holder; 14, inner cutter; 15, threaded rod one; 16, threaded rod two; 17, knob; 18, sliding groove two; 19, bidirectional threaded rod; 20, pull rod; 21, positioning block; 22, positioning pin; 23, positioning hole; 24, telescopic rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0019] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a disassembly-free shaft sleeve double-end chamfering device, including base 1, base 1 is rotationally provided with rotary table 2, a pair of clamping block 3 for clamping shaft sleeve is slidably arranged on rotary table 2, V mouth is opened in clamping block 3, sliding groove one 4 is opened in base 1, sliding block 5 is slidably arranged in sliding groove one 4, rotating shaft 6 is rotationally arranged on sliding block 5, rotating rod 7 is fixedly arranged on one end of rotating shaft 6, outer cutter 12 and inner cutter 14 are installed on rotating rod 7, the other end of rotating shaft 6 is connected with motor 8, after shaft sleeve is clamped into a pair of clamping block 3, rotating shaft 6 can be coaxial with shaft sleeve, rotating rod 7 can be rotated by motor 8, then chamfering is carried out to shaft sleeve by cutter, the end of raw material shaft sleeve can be approached by moving sliding block 5 by cutter, the two ends of shaft sleeve can be exchanged by rotating 180 degrees of rotary table 2, so that the two ends of shaft sleeve can face cutter respectively, without disassembling shaft sleeve from a pair of clamping block 3, two positioning holes 23 are opened in the two sides of rotary table 2 on base 1, positioning block 21 is fixedly connected on one side of rotary table 2, positioning pin 22 is inserted in positioning block 21, positioning pin 22 is matched with two positioning holes 23, positioning pin 22 is inserted into positioning hole 23, to prevent rotary table 2 from rotating, to realize the positioning of rotary table 2.

[0020] As an embodiment of the utility model, outer sliding groove 9 and inner sliding groove 10 are opened in the surface of one side of rotating rod 7 close to rotary table 2, outer tool holder 11 is slidably arranged in outer sliding groove 9, outer cutter 12 is detachably connected in outer tool holder 11, inner tool holder 13 is slidably arranged in inner sliding groove 10, inner cutter 14 is detachably connected on inner tool holder 13, the radial position of outer cutter 12 relative to shaft sleeve can be adjusted by adjusting the position of outer tool holder 11 in outer sliding groove 9, the radial position of inner cutter 14 relative to shaft sleeve can be adjusted by adjusting the position of inner tool holder 13 in inner sliding groove 10, to realize chamfering to shaft sleeve of different sizes, to improve applicability.

[0021] As an embodiment of the utility model, screw rod one 15 is rotatably arranged in outer sliding groove 9, outer tool seat 11 is threadedly connected with screw rod one 15, screw rod two 16 is rotatably arranged in inner sliding groove 10, inner tool seat 13 is threadedly connected with screw rod two 16, the outer side one end of screw rod one 15 and screw rod two 16 is all installed with knob 17, can make outer tool seat 11 move along its axial direction by rotating screw rod one 15, can make inner tool seat 13 move along its axial direction by rotating screw rod two 16, realize the radial position of outer tool seat 11 and inner tool seat 13 is adjusted respectively.

[0022] As an embodiment of the utility model, a pair of sliding grooves two 18 are formed on rotary table 2, a pair of clamping blocks 3 slide in a pair of sliding grooves two 18, bidirectional screw rod 19 is rotatably arranged on rotary table 2, a pair of clamping blocks 3 are threadedly connected on the opposite screw threads of bidirectional screw rod 19, one end of bidirectional screw rod 19 is fixedly installed with lever 20, and pulling lever 20 can make bidirectional screw rod 19 rotate, and then make a pair of clamping blocks 3 approach each other or move away from each other.

[0023] As an embodiment of the utility model, telescopic rod 24 is fixedly installed on base 1, and the telescopic end of telescopic rod 24 is fixedly connected with sliding block 5, and sliding block 5 can be pushed to approach or move away from rotary table 2 through telescopic rod 24.

[0024] The working principle and use flow of the utility model are as follows: when using, the shaft sleeve is placed between a pair of clamping blocks 3, rotating lever 20 can make a pair of clamping blocks 3 clamp the shaft sleeve, the shaft sleeve can be automatically centered through the V-shaped opening on a pair of clamping blocks 3, so that the axis of the shaft sleeve is collinear with the axis of the shaft 6, the radial positions of the external cutting tool 12 and the internal cutting tool 14 are adjusted according to the diameter and wall thickness of the shaft sleeve, after adjustment, the motor 8 is started to make the rotating rod 7 rotate, at this time, the external cutting tool 12 and the internal cutting tool 14 rotate around the axis of the shaft sleeve, the cutting tool is pushed to move to the chamfering end of the shaft sleeve through the telescopic rod 24, after chamfering one end of the shaft sleeve, the positioning pin 22 is pulled out, the rotary table 2 is rotated by 180 degrees, the positioning pin 22 is inserted into another positioning hole 23, the fixing of the rotary table 2 is completed, and the other end of the shaft sleeve is chamfered again by pushing the sliding block 5 through the telescopic rod 24, without disassembling the shaft sleeve from the clamp.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dismountable bushing double-end chamfering device, characterized in that, The utility model provides a cutting device for shaft sleeve, including base (1), the rotary device is provided with rotating platform (2) on base (1), a pair of clamping blocks (3) are slidably arranged on rotating platform (2), V mouth is opened on clamping block (3), the slide groove one (4) is opened on base (1), the slide block (5) is slidably arranged in slide groove one (4), the rotating shaft (6) is rotatably arranged on slide block (5), the one end of rotating shaft (6) is fixedly arranged with the rotary lever (7), the rotary lever (7) is installed with outer cutting knife (12) and inner cutting knife (14), the other end of rotating shaft (6) is connected with motor (8), after the shaft sleeve is clamped to a pair of clamping blocks (3), rotating shaft (6) can be coaxial with the shaft sleeve, two positioning holes (23) are opened on the both sides of rotating platform (2) on base (1), the positioning block (21) is fixedly connected on the one side of rotating platform (2), the positioning pin (22) is inserted in positioning block (21), the positioning pin (22) is matched with two positioning holes (23).

2. The dismountable bushing double-end chamfer device according to claim 1, wherein, The outer slide groove (9) and the inner slide groove (10) are opened on the one side surface of rotary lever (7) close to rotating platform (2), the outer knife seat (11) is slidably arranged in outer slide groove (9), outer cutting knife (12) is detachably connected in outer knife seat (11), the inner knife seat (13) is slidably arranged in inner slide groove (10), inner cutting knife (14) is detachably connected on inner knife seat (13).

3. A dismountable bushing double-end chamfer device according to claim 2, characterized in that The threaded rod one (15) is rotatably arranged in outer slide groove (9), outer knife seat (11) is threadedly connected with threaded rod one (15), the threaded rod two (16) is rotatably arranged in inner slide groove (10), inner knife seat (13) is threadedly connected with threaded rod two (16), the outside one end of threaded rod one (15) and threaded rod two (16) is installed with knob (17).

4. The dismountable bushing double-end chamfer device of claim 1, wherein, A pair of slide grooves two (18) are opened on rotating platform (2), a pair of clamping blocks (3) are slidably arranged in a pair of slide grooves two (18), the bidirectional threaded rod (19) is rotatably arranged on rotating platform (2), a pair of clamping blocks (3) are threadedly connected on the opposite screw threads of bidirectional threaded rod (19), the one end of bidirectional threaded rod (19) is fixedly installed with the lever (20).

5. The dismountable bushing double-end chamfer device of claim 1, wherein, The retractable rod (24) is fixedly installed on base (1), and the telescopic end of retractable rod (24) is fixedly connected with slide block (5).

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