Fixing device for bearing seat inner hole machining

Abstract

The utility model relates to a fixing device for machining an inner hole of a bearing seat, which comprises a base arranged on a machine tool machining table, the bearing seat is placed on the base, a pressing mechanism for pressing and fixing a bearing cover is arranged on the base, and the pressing mechanism comprises an arc-shaped pressing plate, a first connecting screw rod and a second connecting screw rod; the arc-shaped pressing plate is matched with the radian of the bearing cover, the two ends of the arc-shaped pressing plate are connected with the first connecting side plate and the second connecting side plate respectively, the first connecting side plate is connected with the first connecting arm, and the second connecting side plate is connected with the second connecting arm. Through cooperation of the pressing mechanism and the positioning mechanism, fixing and positioning can be achieved, meanwhile, due to the innovative design of the pressing mechanism, only one side needs to be fixed during operation, fixing is convenient, and the fixing efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing seat processing, in particular to a fixing device for processing inner holes of a bearing seat. Background Art

[0002] The bearing seat is a component that supports and protects the bearing. When the bearing seat is processed by lathe, it is necessary to position and fix the bearing seat firmly in advance. The existing bearing seat fixing tooling structure is shown in the figure of the manual. Figure 1 As shown, it includes two groups of fixing mechanisms, which are respectively arranged on both sides of the bearing seat for fixing the two sides, each group of fixing mechanisms includes a vertically arranged support block, a pressure plate and a vertical screw, the lower ends of the support block and the vertical screw are fixed to the processing table, the vertical screw passes through the pressure plate and is fixed by a nut, one end of the pressure plate is placed on the support block, and the other end is placed on the bearing seat, and the pressure plate is pressed by the nut to achieve the pressure plate pressing the bearing seat.

[0003] The existing bearing seat fixing tooling needs to operate the fixing mechanisms on both sides separately when implementing the fixing, which is inconvenient to operate and has low efficiency. Based on the above technical problems, the inventor proposes a fixing device for inner hole processing of a bearing seat, which is convenient for fixing and effectively improves the fixing efficiency. Utility Model Content

[0004] The utility model aims at the deficiencies of the prior art and provides a fixing device for machining the inner hole of a bearing seat.

[0005] The utility model is realized through the following technical scheme, providing a fixing device for processing the inner hole of a bearing seat, comprising a base installed on a machine tool processing table, the bearing seat is placed on the base, and a clamping mechanism for clamping and fixing the bearing cover is provided on the base, the clamping mechanism comprising an arc-shaped pressure plate, a first connecting screw and a second connecting screw; the arc-shaped pressure plate is adapted to the curvature of the bearing cover, and the two ends of the arc-shaped pressure plate are respectively connected to the first connecting side plate and the second connecting side plate, the first connecting side plate is connected to the first connecting arm, and the second connecting side plate is connected to the second connecting arm; the first connecting screw and the second connecting screw are both vertically fixed to the base and the first connecting screw and the second connecting screw are respectively located on both sides of the bearing seat, the sliding sleeve is sleeved on the first connecting screw and can slide along the axial direction of the first connecting screw, the first connecting arm is hinged to the sliding sleeve, a notch for the second connecting screw to be embedded is provided on the second connecting arm, and a limiting nut for clamping the second connecting arm is threadedly connected on the second connecting screw.

[0006] Preferably, a positioning mechanism for positioning the bottom plate of the bearing seat is provided on the base, and the positioning mechanism includes at least two positioning blocks, which are respectively embedded in the mounting through holes at both ends of the bottom plate of the bearing seat. The positioning mechanism can position the bearing seat in the horizontal direction to avoid horizontal displacement of the bearing seat during processing.

[0007] Preferably, in order to improve the limiting effect, a limiting block is provided on the inner wall of the arc-shaped pressure plate, and the limiting block is used to be embedded in the oil filling hole on the bearing cover.

[0008] Preferably, in order to achieve the position adjustment of the sleeve and the positioning of the sleeve, an upper fixing nut and a lower fixing nut are threadedly connected to the first connecting screw, and the upper fixing nut and the lower fixing nut are respectively located at the upper and lower sides of the sleeve. The position adjustment of the sleeve can adapt to bearing seats of different heights.

[0009] Preferably, in order to facilitate the lifting of the clamping mechanism, a spring is sleeved on the second connecting screw, and the spring is located below the second connecting arm. When the arc-shaped pressure plate is completely pressed onto the bearing cover, the second connecting arm remains horizontal and the spring is in a compressed state. After the inner hole processing is completed, the limit nut is rotated in the opposite direction, the spring expands, and the spring pushes the clamping mechanism to lift up, making it convenient to remove the bearing seat.

[0010] The beneficial effects of the utility model are:

[0011] The present application can achieve both fixation and positioning through the cooperation of the clamping mechanism and the positioning mechanism. At the same time, the innovative design of the clamping mechanism only requires fixing one side during operation, which makes fixation convenient and effectively improves the fixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the existing fixed tooling structure;

[0013] Figure 2 This is a front view of the utility model when the clamping mechanism is closed;

[0014] Figure 3 This is a front view of the utility model when the clamping mechanism is opened;

[0015] Figure 4 This is a top view of the second connecting arm of the utility model;

[0016] As shown in the figure:

[0017] 1. Base, 2. Bearing seat, 3. Positioning block, 4. Bottom plate, 5. Arc pressure plate, 6. Limit block, 7. Oil filling hole, 8. Second connecting side plate, 9. Second connecting arm, 10. Limit nut, 11. Spring, 12. First connecting side plate, 13. First connecting arm, 14. Sliding sleeve, 15. Upper fixing nut, 16. Lower fixing nut, 17. Mounting through hole, 18. First connecting screw, 19. Second connecting screw, 20. Bearing cover, 21. Notch. DETAILED DESCRIPTION

[0018] In order to clearly illustrate the technical features of this solution, this solution is described below through a specific implementation method.

[0019] like Figure 2 , 3 As shown in , 4, the utility model includes a base 1 installed on a machine tool processing table, a bearing seat 2 is placed on the base 1, and a clamping mechanism for clamping and fixing the bearing cover 20 is provided on the base 1, and the clamping mechanism includes an arc-shaped pressing plate 5, a first connecting screw 18 and a second connecting screw 19. The arc-shaped pressing plate 5 is adapted to the curvature of the bearing cover 20, and the two ends of the arc-shaped pressing plate 5 are respectively connected to the first connecting side plate 12 and the second connecting side plate 8, the first connecting side plate 12 is connected to the first connecting arm 13, and the second connecting side plate 8 is connected to the second connecting arm 9. The first connecting screw 18 and the second connecting screw 19 are both vertically fixed to the base 1 and are respectively located on both sides of the bearing seat 2. The sliding sleeve 14 is sleeved on the first connecting screw 18 and can slide along the axial direction of the first connecting screw 18. The first connecting arm 13 is hinged to the sliding sleeve 14. A notch 21 is provided on the second connecting arm 9 for the second connecting screw 19 to be embedded. A limiting nut 10 is threadedly connected to the second connecting screw 19 for tightening the second connecting arm 9.

[0020] In this embodiment, a positioning mechanism for positioning the bottom plate of the bearing seat 2 is provided on the base 1, and the positioning mechanism includes at least two positioning blocks 3, and the positioning blocks 3 are respectively embedded in the mounting through holes 17 at both ends of the bottom plate 4 of the bearing seat 2. The positioning mechanism can position the bearing seat 2 in the horizontal direction to avoid horizontal displacement of the bearing seat 2 during processing.

[0021] In this embodiment, in order to improve the limiting effect, a limiting block 6 is provided on the inner wall of the arc-shaped pressure plate 5 , and the limiting block 6 is used to be embedded in the oil filling hole 7 on the bearing cover 20 .

[0022] In this embodiment, in order to adjust the position of the sleeve 14 and position the sleeve 14, an upper fixing nut 15 and a lower fixing nut 16 are threadedly connected to the first connecting screw 18, and the upper fixing nut 15 and the lower fixing nut 16 are respectively located at the upper and lower sides of the sleeve 14. The position adjustment of the sleeve 14 can adapt to bearing seats 2 of different heights.

[0023] In this embodiment, in order to facilitate the lifting of the clamping mechanism, a spring 11 is sleeved on the second connecting screw 19, and the spring 11 is located below the second connecting arm 9. When the arc-shaped pressure plate 5 is completely pressed onto the bearing cover 20, the second connecting arm 9 remains horizontal and the spring 11 is in a compressed state. After the inner hole processing is completed, the limit nut 10 is rotated in the opposite direction, the spring 11 is relaxed, and the spring 11 pushes the clamping mechanism to lift up, making it convenient to remove the bearing seat 2.

[0024] During the specific work, the bearing seat 2 to be processed is placed on the base 1 and positioned by the positioning mechanism, and the bearing seat 2 is further pressed and fixed by the clamping mechanism. After being fixed, the inner hole processing operation is performed.

[0025] The present application can achieve both fixation and positioning through the cooperation of the clamping mechanism and the positioning mechanism. At the same time, the innovative design of the clamping mechanism only requires fixing one side during operation, which makes fixation convenient and effectively improves the fixing efficiency.

[0026] Of course, the above description is not limited to the above examples. The technical features not described in the present invention can be achieved by or by adopting the existing technology, which will not be repeated here. The above embodiments and drawings are only used to illustrate the technical scheme of the present invention and are not limitations of the present invention. The present invention is described in detail with reference to the preferred implementation methods. Ordinary technicians in this field should understand that the changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention do not deviate from the purpose of the present invention and should also fall within the scope of protection of the claims of the present invention.

Claims

1. A fixing device for machining inner holes of a bearing seat, characterized in that: It includes a base installed on a machine tool processing table, a bearing seat is placed on the base, and a clamping mechanism for clamping and fixing the bearing cover is provided on the base, the clamping mechanism includes an arc-shaped pressure plate, a first connecting screw and a second connecting screw; the arc-shaped pressure plate is adapted to the curvature of the bearing cover, and the two ends of the arc-shaped pressure plate are respectively connected to the first connecting side plate and the second connecting side plate, the first connecting side plate is connected to the first connecting arm, and the second connecting side plate is connected to the second connecting arm; the first connecting screw and the second connecting screw are both vertically fixed to the base and the first connecting screw and the second connecting screw are respectively located on both sides of the bearing seat, the sliding sleeve is sleeved on the first connecting screw and can slide along the axial direction of the first connecting screw, the first connecting arm is hinged to the sliding sleeve, a notch for the second connecting screw to be embedded is provided on the second connecting arm, and a limiting nut for clamping the second connecting arm is threadedly connected to the second connecting screw.

2. The fixing device for machining inner hole of a bearing seat according to claim 1, characterized in that: A positioning mechanism for positioning the bottom plate of the bearing seat is provided on the base, and the positioning mechanism comprises at least two positioning blocks, which are respectively embedded in the mounting through holes at both ends of the bottom plate of the bearing seat.

3. The fixing device for inner hole machining of a bearing seat according to claim 1, characterized in that: A limit block is arranged on the inner wall of the arc-shaped pressure plate, and the limit block is used to be embedded in the oil filling hole on the bearing cover.

4. The fixing device for machining inner hole of a bearing seat according to claim 1, characterized in that: An upper fixing nut and a lower fixing nut are threadedly connected to the first connecting screw rod, and the upper fixing nut and the lower fixing nut are respectively located at upper and lower sides of the sliding sleeve.

5. The fixing device for machining inner hole of a bearing seat according to claim 4, characterized in that: A spring is sleeved on the second connecting screw rod, and the spring is located below the second connecting arm.

Images