Outer circle machining lathe for polyurethane friction disc

Abstract

The utility model discloses an outer circle machining lathe for a polyurethane friction disc, relates to the technical field of friction disc machining, and aims to solve the technical problem that peripheral machining can be affected after a traditional lathe is clamped and fixed, the outer circle machining lathe comprises a lathe main body, a clamping rotary disc is arranged at one end of the lathe main body, and the center of the clamping rotary disc is connected with a driving motor. A cutting part is arranged on the machine tool body, a control main sleeve is arranged on one side of the clamping rotary disc, a plurality of arc supporting plates are arranged on the periphery of the control main sleeve, friction discs are fixed among the peripheries of the arc supporting plates in an inner supporting mode, a driving unit is arranged in the center of the control main sleeve, and a plurality of connecting rod units are arranged between the periphery of the control main sleeve and the inner sides of the arc supporting plates. Through the design that the arc supporting plate is attached to the friction disc, the limiting and guiding effects of the guide column and the control main sleeve are achieved, the threaded column is in threaded connection with the control main sleeve, and the connecting rod plates are symmetrically distributed, the inner supporting device has the advantages that inner supporting and fixing are synchronously and stably moved, and peripheral machining of the inner supporting device is more convenient.

Description

Technical Field

[0001] This utility model relates to the field of friction disc processing technology, and more specifically, to a lathe for machining the outer diameter of a polyurethane friction disc. Background Technology

[0002] Polyurethane friction discs are friction discs made of polyurethane material, possessing many excellent properties, but their hardness is not high. During the machining process of polyurethane friction discs, the outer diameter of the disc needs to be machined according to dimensions. However, existing machine tools typically use a three-jaw chuck for clamping, which obstructs the outer periphery of the disc, making machining of the outer circumference quite cumbersome. Therefore, we propose a lathe for machining the outer diameter of polyurethane friction discs. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a lathe for machining the outer circle of a polyurethane friction disc, so as to solve the technical problem that the machining of the outer circle will be affected after the clamping part of the existing lathe is clamped.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a lathe for machining the outer diameter of a polyurethane friction disc, comprising a machine tool body, a clamping turntable at one end of the machine tool body, a drive motor connected to the center of the clamping turntable, a cutting part on the machine tool body, a control main sleeve on one side of the clamping turntable, a plurality of arc support plates arranged in a circular array around the outer periphery of the control main sleeve, a friction disc being fixed between the outer peripheries of the plurality of arc support plates, a drive unit being arranged at the center of the control main sleeve, and a plurality of connecting rod units being arranged between the outer periphery of the control main sleeve and the inner side of the arc support plates.

[0005] Preferably, the control main sleeve and the clamping rotary table are coaxial, and the control main sleeve has a threaded opening at its center.

[0006] Preferably, the drive unit includes a threaded post connected to a threaded port, and a drive motor is mounted on the end of the threaded post. The drive motor is fixed to the clamping disc.

[0007] Preferably, the drive unit further includes a mobile power supply and a guide post. One end of the guide post is inserted into the interior of the control main sleeve, and the other end of the guide post is fixed to one side of the clamping disc. The mobile power supply is fixed to the clamping disc and supplies power to the drive motor.

[0008] Preferably, the linkage unit includes a linkage plate, both ends of which are provided with circular cavities. The two ends of the linkage plate are respectively located at the positions of the control main sleeve and the arc support plate and are provided with pins.

[0009] Preferably, the outer arc of the arc support plate is closely attached to the inner periphery of the friction disc, and the arc support plate and the hinged part of the connecting rod plate are detachably connected by bolts.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、The utility model discloses a design that the arc support plate is adapted and attached to the friction disc, and a plurality of arc support plates are arranged in a ring array, and the plurality of arc support plates are synchronously opened, so that the outer arc is closely attached to the inner periphery of the friction disc, thereby stably supporting the inner circle of the friction disc, further realizing inner support fixation, replacing the fixation of the outer circle, and making it without obstacles when machining the outer circle, thereby solving the problem that the existing lathe clamping part affects the machining of the outer periphery after clamping the outer periphery.

[0012] 2、The utility model discloses that the limiting and guiding effect of the guide column and the control main cover is further realized, and the threaded column is screw connected with the control main cover, and the plurality of connecting rod plates are symmetrically distributed, combined with the connection design of the driving motor, so that the arc support plate can be synchronously opened and contracted, the stability of the inner support is improved, and the problem that the arc support plate is difficult to synchronously move is further solved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structure schematic view when the utility model fixes the friction disc.

[0014] Figure 2 It is an enlarged view of part A in the utility model. Figure 1

[0015] Figure 3 It is a connection structure schematic view between the control main cover and the arc support plate in the utility model.

[0016] Figure 4 It is a half cut structure schematic view between the control main cover and the arc support plate in the utility model.

[0017] Mark number explanation in the drawing: 1, machine tool main body;2, clamping rotary disc;3, driving motor;4, cutting part;5, control main cover;6, arc support plate;7, driving unit;8, connecting rod unit;

[0018] 701, threaded column;702, driving motor;703, mobile power supply;704, guide column;

[0019] 801, connecting rod plate;802, bolt. DETAILED DESCRIPTION

[0020] As Figures 1 to 4 ​The utility model relates to a kind of lathe of polyurethane friction disc outer circle processing, including lathe main body 1, lathe main body 1 one end is provided with clamping rotary disc 2, clamping rotary disc 2 center is connected with driving motor 3, the operation of driving motor 3, can drive clamping rotary disc 2 high-speed rotation, lathe main body 1 still be provided with cutting part 4, except cutting part 4 lathe main body 1 still be provided with other components, since lathe main body 1 directly adopt for existing equipment, therefore here no longer carry on at length, clamping rotary disc 2 side is equipped with control main cover 5, control main cover 5 and clamping rotary disc 2 are coaxial, control main cover 5 outer periphery is equipped with several arc bracing plate 6, several arc bracing plate 6 outer periphery between inner bracing is fixed with friction disc, control main cover 5 outer periphery and arc bracing plate 6 inner side between being provided with multiple connecting rod units 8, connecting rod unit 8 includes connecting rod plate 801, connecting rod plate 801 both ends are all set with round cavity, connecting rod plate 801 both ends are respectively at the position of control main cover 5 and arc bracing plate 6 and are provided with latch 802, arc bracing plate 6 outer arc and friction disc inner periphery closely adhere.

[0021] Working principle: when needing to be fixed, the inner periphery of the friction disc is placed between the outer periphery of the plurality of arc bracing plates 6, and then the control main cover 5 is moved to move the plurality of arc bracing plates 6 outward to make the arc bracing plates 6 adhere to the inner periphery of the friction disc, thereby achieving the support and fixation of the inner circle. The polyurethane has low hardness, so when the cutting part contacts the polyurethane, the outer circle can be processed.

[0022] In order to realize stable inner support, a threaded hole is formed in the center of the control main cover 5, the plurality of arc bracing plates 6 are arranged in a ring array around the outer periphery of the control main cover 5, a driving unit 7 is arranged in the center of the control main cover 5, the driving unit 7 includes a threaded column 701 connected with the threaded hole, a driving motor 702 is installed at the end of the threaded column 701, the driving motor 702 is fixed with the clamping rotary disc 2, the driving unit 7 further includes a mobile power supply 703 and a guide column 704, one end of the guide column 704 is inserted into the control main cover 5, the other end of the guide column 704 is fixed with one side of the clamping rotary disc 2, the mobile power supply 703 is fixed with the clamping rotary disc 2 and supplies power to the driving motor 702, thereby avoiding the winding situation.

[0023] Working principle: the driving motor 702 is controlled to operate through the external control structure, the threaded column 701 is rotated to synchronously move the control main cover 5, since the plurality of arc bracing plates 6 are symmetrically arranged, the arc bracing plates 6 can be synchronously moved to improve the stability of the inner circle support.

[0024] The hinge part of the arc bracing plate 6 and the connecting rod plate 801 is detachably connected by bolts, through the detachable design, different specifications of arc bracing plates 6 can be used to adapt to different sizes of friction discs.

[0025] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. An external cylindrical machining lathe for polyurethane friction discs, characterized in that, Including lathe main body (1), one end of lathe main body (1) is provided with clamping rotary disc (2), the center of clamping rotary disc (2) is connected with driving motor (3), the cutting part (4) is also provided on lathe main body (1), one side of clamping rotary disc (2) is provided with control main cover (5), a plurality of arc support plates (6) are arranged in the form of ring around the outer periphery of control main cover (5) with the center of control main cover (5), a plurality of friction discs are fixed between the outer peripheries of a plurality of arc support plates (6), driving unit (7) is arranged in the center of control main cover (5), a plurality of connecting rod units (8) are arranged between the outer periphery of control main cover (5) and the inner side of arc support plate (6).

2. A lathe for machining the outer circumference of a polyurethane friction disc according to claim 1, characterized in that The control main cover (5) and the clamping rotary disc (2) are coaxial, and the control main cover (5) is provided with a threaded hole in the center.

3. A lathe for machining the outer circumference of a polyurethane friction disc according to claim 2, characterized in that The driving unit (7) includes a threaded column (701) connected with the threaded hole, a driving motor (702) is mounted at the end of the threaded column (701), and the driving motor (702) is fixed with the clamping rotary disc (2).

4. A lathe for machining the outer periphery of a polyurethane friction disc according to claim 3, characterized in that, The driving unit (7) further includes a mobile power supply (703) and a guide column (704), one end of the guide column (704) is inserted into the inside of the control main cover (5), the other end of the guide column (704) is fixed with one side of the clamping rotary disc (2), and the mobile power supply (703) is fixed with the clamping rotary disc (2) and supplies power to the driving motor (702).

5. A polyurethane friction disc lathe according to claim 4, wherein, The connecting rod unit (8) includes a connecting rod plate (801), a circular cavity is formed at both ends of the connecting rod plate (801), and the connecting rod plate (801) is provided with a bolt (802) at the positions of the control main cover (5) and the arc support plate (6) respectively.

6. A polyurethane friction disc lathe according to claim 5, wherein, The outer arc of the arc support plate (6) is closely attached to the inner periphery of the friction disc, and the hinged part of the arc support plate (6) and the connecting rod plate (801) is detachably connected by bolts.

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