Universal machine tool spindle warm-up running-in device

Abstract

The utility model relates to the technical field of machining, and discloses a universal machine tool spindle warm-up running-in device which comprises a base, a supporting bracket used for placing a spindle to be run-in is arranged on the base, a power device is arranged corresponding to the supporting bracket, and the power device is in transmission connection with the spindle placed on the supporting bracket. The belt pulley at the end of the to-be-run-in spindle is connected with the output end of the power device through a transmission belt. According to the utility model, the time occupied by the main shaft in machine running-in is saved, and the machining capacity is guaranteed; the V-shaped supporting bracket can support spindles of different sizes and specifications for running-in operation, so that the spindle running-in device can meet the spindle running-in use requirements of different machining devices such as a vertical lathe, a horizontal lathe and a machining center, and the applicability is improved; due to the arrangement of the clamping and positioning structure, the running stability of the main shaft in the running-in process is ensured, and the running-in efficiency of the main shaft is improved; due to the arrangement of the transfer trolley, the warm-up running-in device can be transferred and moved conveniently, and maneuverability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field especially relates to a general machine tool spindle warm -up running -in device. BACKGROUND

[0002] In the aluminum alloy wheel hub machining process, along with the increasing of the service life of the machining machine tool, the spindle is influenced by abrasion, load and stress, its running state will show the downward trend, and the spindle failure rate will gradually increase. During the conventional maintenance of the equipment, the spindle needs to be checked regularly, and the abnormal spindle needs to be replaced. After replacement, in order to ensure the machining accuracy of the machine tool and the service life of the spindle itself, the new spindle needs to be run-in under no load, and the running-in time is usually not less than 24 hours. The spindle needs to run-in at three speeds, and the machine tool can be used for production after machining without abnormality. During the warm-up running-in of the spindle, the machine tool cannot be used for load machining, so the machining capacity is reduced and the production progress is restricted.

[0003] Therefore, it is urgent to develop a general machine tool spindle warm-up running-in device for practical production, which avoids occupying the normal machining time of the machine tool by using offline warm-up running-in of the spindle to be run-in, so as to ensure the machining capacity. UTILITY MODEL CONTENTS

[0004] The utility model discloses a general machine tool spindle warm-up running-in device to solve the problem that the existing machine tool spindle needs to be run-in during replacement and the machining capacity is wasted.

[0005] To solve the above technical problems, the utility model adopts the technical scheme that:

[0006] A general machine tool spindle warm-up running-in device, comprising a base, a support bracket for placing a spindle to be run-in is arranged on the base, a power device is arranged corresponding to the support bracket, the power device is drivingly connected to the spindle placed on the support bracket, and a belt pulley at the end of the spindle to be run-in is connected to the output end of the power device through a transmission belt.

[0007] Preferably, the support bracket is arranged along the axial direction of the spindle to be run-in, and the cross section of the support bracket is in V-shaped structure.

[0008] Preferably, a clamping and positioning structure is arranged on the support bracket, the clamping and positioning structure comprises a clamping frame movably connected to the support bracket, a positioning arc plate corresponding to the spindle to be run-in is arranged on the clamping frame, the curvature of the positioning arc plate is arranged corresponding to the diameter of the spindle, and the spindle to be run-in is slidingly connected to the positioning arc plate.

[0009] Preferably, the clamping frame is in inverted V-shaped structure, and the positioning arc plate is screwed on the clamping frame through an adjusting screw rod.

[0010] Preferably, the adjusting screw is screwed with a locking nut for locking the height of the adjusting screw, and the two locking nuts are respectively located on the upper and lower sides of the clamping frame.

[0011] Preferably, one side of the clamping frame is movably connected to the support bracket via a heavy-duty hinge, and the other side of the clamping frame is connected and fixed via locking bolts.

[0012] Preferably, a tensioning device is provided corresponding to the transmission belt. The tensioning device includes a telescopic cylinder fixedly connected to the base, a tensioning wheel rotatably connected to the telescopic cylinder, and the tensioning wheel rollingly connected to the transmission belt.

[0013] Preferably, the warm-up and break-in device further includes a control box for operating the device, and the control box is equipped with a display panel.

[0014] Preferably, the warm-up and break-in device further includes a temperature measuring device corresponding to the spindle, the temperature measuring device being communicatively connected to the control box, and the temperature measuring device being an infrared thermometer.

[0015] Preferably, the warm-up and break-in device is further equipped with a transfer trolley, and the base can be fixed on the transfer trolley.

[0016] The beneficial effects of this utility model are as follows:

[0017] The application of this utility model eliminates the time required for spindle break-in, ensuring machining capacity; the V-shaped support bracket can support spindles of different sizes and specifications for break-in operations, enabling this utility model to meet the spindle break-in needs of different processing equipment such as vertical lathes, horizontal lathes, and machining centers, thus improving its applicability; the addition of a positioning structure ensures the operational stability of the spindle during the break-in process, improving spindle break-in efficiency; the configuration of the transfer trolley facilitates the transfer and movement of the warm-up and break-in device, improving its mobility. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] In the diagram: 10—Base; Support bracket; 20—Power unit; 21—Drive belt; 31—Clamping frame; 32—Positioning arc plate; 33—Adjusting screw; 34—Locking nut; 35—Heavy-duty hinge; 41—Telescopic cylinder; 42—Tensioning wheel; 50—Control box; 51—Temperature measuring device; 60—Transfer trolley. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] like Figure 1 As shown, a general-purpose machine tool spindle warm-up and break-in device includes a base 10, on which a support bracket 11 for placing the spindle to be broken in is provided. A power unit 20 is disposed corresponding to the support bracket 11, and the power unit 20 is driven and connected to the spindle placed on the support bracket 11, providing rotational power to the spindle. In use, the spindle to be broken in is placed on the support bracket 11, and the pulley at the end of the spindle is connected to the output end of the power unit 20 via a transmission belt 21. The power unit 20 can drive the spindle to be broken in to rotate within the support bracket 11. By controlling the rotational speed of the power unit 20, the rotational speed of the spindle to be broken in is controlled, thereby achieving offline warm-up and break-in of the spindle. After the break-in is completed, the spindle straightness and other parameters are rechecked; if they meet the requirements, it can be installed and used in the machine. This embodiment eliminates the time spent on-machine spindle break-in, ensuring machining productivity.

[0023] In a preferred embodiment, the support bracket 11 is arranged along the axial direction of the spindle to be broken in. The cross-section of the support bracket 11 is V-shaped, and the spindle to be broken in is placed inside the V-shaped structure of the support bracket 11, forming a supporting and limiting function for the spindle to be broken in. At the same time, the V-shaped support bracket 11 can support spindles of different sizes and specifications for break-in operations, so that this utility model can meet the spindle break-in needs of different processing equipment such as vertical lathes, horizontal lathes, and machining centers, thus improving its applicability.

[0024] Preferably, the support bracket 11 is provided with a clamping and positioning structure, which includes a clamping frame 31 movably connected to the support bracket 11. A positioning arc plate 32 is provided on the clamping frame 31 corresponding to the spindle to be broken in. The curvature of the positioning arc plate 32 corresponds to the diameter of the spindle, and the spindle to be broken in is slidably connected to the positioning arc plate 32. In use, the clamping frame 31 is fastened to the support bracket 11, and the positioning arc plate 32 is pressed tightly against the outer diameter of the spindle to be broken in, completing the clamping and positioning of the spindle. The clamping and positioning structure ensures the operational stability of the spindle during the break-in process and improves the break-in efficiency.

[0025] Preferably, the clamping frame 31 has an inverted V-shaped structure, and the positioning arc plate 32 is screwed onto the clamping frame 31 via an adjusting screw 33. The height of the positioning arc plate 32 can be adjusted by rotating the adjusting screw 33 to accommodate spindles of different sizes and specifications for clamping and positioning. Furthermore, a locking nut 34 is screwed onto the adjusting screw 33 for locking the height of the adjusting screw 33. Two locking nuts 34 are provided, located on the upper and lower sides of the clamping frame 31 respectively.

[0026] Preferably, one side of the clamping frame 31 is movably connected to the support bracket 11 via a heavy-duty hinge 35, and the other side of the clamping frame 31 is fixed by locking bolts. When placing the spindle to be broken in, the clamping frame 31 can be flipped open, and after placing the spindle to be broken in, the clamping frame 31 can be flipped and locked. The heavy-duty hinge 35 facilitates the opening and closing of the clamping frame 31, and the clamping frame 31 will not detach from the support bracket 11, avoiding the trouble of parts being lost or difficult to find due to random placement.

[0027] Preferably, a tensioning device is provided corresponding to the transmission belt 21 for adjusting the tension of the transmission belt 21. The tensioning device includes a telescopic cylinder 41 fixedly connected to the base 10, and a tensioning wheel 42 is rotatably connected to the telescopic cylinder 41. The tensioning wheel 42 is rolledly connected to the transmission belt 21.

[0028] Preferably, the warm-up and break-in device further includes a control box 50 for operating the device. The control box 50 is equipped with a display panel for displaying the real-time operating status of the warm-up and break-in device. The control box 50 is also equipped with a tachometer and a timer for easy operation.

[0029] Preferably, the warm-up and break-in device further includes a temperature measuring device 51 corresponding to the spindle. The temperature measuring device 51 is communicatively connected to the control box 50 and is used to monitor the spindle temperature in real time. The temperature measuring device 51 is preferably an infrared thermometer.

[0030] Preferably, the warm-up and break-in device is further equipped with a transfer trolley 60, and the base 10 can be fixed on the transfer trolley 60 to facilitate the transfer and movement of the warm-up and break-in device and improve the mobility of the warm-up and break-in device.

[0031] The above-disclosed embodiments are merely specific examples of this utility model, but this utility model is not limited thereto. For those skilled in the art, any modifications made without departing from the principle of this utility model should be considered as protected by this utility model.

Claims

1. A universal machine tool spindle warm-up and break-in device, characterized in that: Includes a base (10), on which a support bracket (11) for placing a spindle to be broken in is provided, and a power device (20) is provided corresponding to the support bracket (11). The power device (20) is connected to the spindle placed on the support bracket (11). The pulley at the end of the spindle to be broken in is connected to the output end of the power device (20) through a transmission belt (21). The support bracket (11) is provided with a clamping and positioning structure. The clamping and positioning structure includes a clamping frame (31) that is movably connected to the support bracket (11). A positioning arc plate (32) is provided on the clamping frame (31) corresponding to the spindle to be broken in. The arc of the positioning arc plate (32) is set to correspond to the diameter of the spindle. The spindle to be broken in is slidably connected to the positioning arc plate (32). The clamping frame (31) has an inverted V-shaped structure, and the positioning arc plate (32) is screwed onto the clamping frame (31) by the adjusting screw (33); The adjusting screw (33) is screwed with a locking nut (34) for locking the height of the adjusting screw (33), and the two locking nuts (34) are respectively located on the upper and lower sides of the clamping frame (31); The warm-up and break-in device also includes a control box (50) for operating the device, and the control box (50) is provided with a display panel; It also includes a temperature measuring device (51) corresponding to the spindle, the temperature measuring device (51) being connected to the control box (50) via communication, and the temperature measuring device (51) being an infrared thermometer; It is also equipped with a mobile transfer trolley (60) for easy transfer, and the base (10) can be fixed on the transfer trolley (60).

2. The universal machine tool spindle warm-up and break-in device according to claim 1, characterized in that: The support bracket (11) is arranged along the axial direction of the main shaft to be broken in, and the cross-section of the support bracket (11) is V-shaped.

3. The universal machine tool spindle warm-up and break-in device according to claim 1, characterized in that: One side of the clamping frame (31) is movably connected to the support bracket (11) via a heavy-duty hinge (35), and the other side of the clamping frame (31) is connected and fixed by a locking bolt.

4. The universal machine tool spindle warm-up and break-in device according to claim 1, characterized in that: A tensioning device is provided corresponding to the transmission belt (21). The tensioning device includes a telescopic cylinder (41) fixedly connected to the base (10). A tensioning wheel (42) is rotatably connected to the telescopic cylinder (41). The tensioning wheel (42) is rolledly connected to the transmission belt (21).

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