Side-tilting type grinding device additionally arranged on vertical lathe and used for machining bearing ring

Abstract

The side-tilting type grinding device comprises a supporting frame, a main shaft sleeve, an electric main shaft and a grinding wheel clamping disc, the supporting frame is fixedly arranged at the lower end of a ram of the vertical lathe in a sleeved mode, the main shaft sleeve is fixedly connected to one side of the supporting frame, the upper end of the electric main shaft is installed in the main shaft sleeve, and the lower end of the electric main shaft is connected with the grinding wheel clamping disc. The included angle between the axis of the motorized spindle and the central axis of the ram is 5-30 degrees, and a grinding wheel clamping disc is installed at the lower end of the motorized spindle. The side-tipping grinding head driven by the motorized spindle is mounted on the ram of the vertical lathe, the bearing ring can be ground immediately after the vertical lathe process, the motorized spindle is firm in mounting and positioning and convenient to mount and dismount, and bearing machining efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to mechanical processing equipment, in particular to a vertical lathe, in particular to a side tilting grinding device which is installed on the vertical lathe and is used for processing a bearing ring. Background Art

[0002] The turning of large rotating workpieces is usually completed on a vertical lathe. After the turning step is completed, if grinding is required, the workpiece is removed from the vertical lathe and then transferred to the grinder for grinding. During the process transfer between turning and grinding, the assembly, disassembly and transportation of the workpiece are time-consuming and labor-intensive, and there are major safety hazards.

[0003] In the prior art, in order to solve similar problems, patent CN220680335U has proposed a vertical grinding device, the main axis of which is vertically arranged on equipment such as a vertical lathe, and conventional vertical grinding processing can be implemented on these equipment.

[0004] At present, the processing of large bearing rings is also expected to be carried out by grinding on a vertical lathe. Considering the structure of large bearing rings, the use of patent CN220680335U has the following problems: First, the raceway surface and rib of large bearing rings are both specific angle surfaces. If the technology of patent CN220680335U is used, the grinding of the angle surface requires a customized grinding wheel or the existing grinding wheel needs to be repaired; Second, the connection rigidity between the product of patent CN220680335U and the vertical lathe is insufficient. When the electric spindle runs at high speed, vibration lines are prone to appear on the bearing surface, affecting the appearance of the bearing product. Utility Model Content

[0005] In response to the problems raised by the background technology, the purpose of the utility model is to provide a tilting grinding device for processing bearing rings installed on a vertical lathe. The tilting grinding head driven by the electric spindle is installed on the slide of the vertical lathe. The grinding of the bearing rings can be realized immediately after the vertical lathe process. At the same time, the installation and positioning of the electric spindle is firm and easy to assemble and disassemble, which can effectively improve the bearing processing efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A tilting grinding device for machining bearing rings installed on a vertical lathe comprises a support frame, a spindle sleeve, an electric spindle and a grinding wheel clamping plate. The support frame fixing sleeve is arranged at the lower end of the slide of the vertical lathe, the spindle sleeve is fixedly connected to one side of the support frame, the upper end of the electric spindle is installed in the spindle sleeve, and the angle between the electric spindle axis and the slide center axis is 5-30 degrees. The lower end of the electric spindle is installed with a grinding wheel clamping plate.

[0008] The support frame is connected with a cylinder, a cylinder body of the cylinder is connected with a slide ram of a vertical lathe, and a piston rod of the cylinder is connected with the support frame.

[0009] The support frame includes a shell and an angle connecting piece; the shell as a whole is a rectangular box-type structure with an opening at the top, the shell is sleeved on the lower end of the slide, and the upper surface of the bottom wall inside the shell is provided with a T-shaped slide groove and a cross positioning groove, the cross positioning groove is positioned and connected with the lower end surface of the slide of the vertical lathe, and a T-shaped slider is provided in the T-shaped slide groove, the T-shaped slider is connected to the piston rod of the cylinder, and the cylinder fixes the shell to the lower end of the slide of the vertical lathe by tightening the T-shaped slider; one side of the angle connecting piece is connected to the outer wall of the shell, and the other side is connected to the main shaft sleeve.

[0010] The electric spindle is a liquid-cooled electric spindle, and its upper end cover is provided with a power line interface, a water inlet and a water outlet.

[0011] The angle between the axis of the electric spindle and the center axis of the ram is 18.75 degrees.

[0012] The utility model has the following beneficial effects: the utility model adopts a tilting grinding head driven by an electric spindle installed on the slide of a vertical lathe, and the grinding processing of the bearing ring can be realized immediately after the vertical lathe process. At the same time, the installation and positioning of the electric spindle is firm and easy to assemble and disassemble, which can effectively improve the bearing processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 A top view of the support frame.

[0015] Figure 3 A three-dimensional schematic diagram of the support frame.

[0016] Figure 4 A top view of the electric spindle.

[0017] Figure 5 Schematic diagram of the electric spindle.

[0018] In the figure, 1, support frame, 2, main shaft sleeve, 3, electric spindle, 4, grinding wheel clamping plate, 5, slide, 6, cylinder, 7, T-shaped slider, 8, beam, 9, grinding wheel, 11, shell, 12, angle connector, 31, power cord interface, 32, water inlet, 33, water outlet, 111, T-shaped slide groove, 112, cross positioning groove. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments.

[0020] like Figure 1-5As shown, the utility model provides a tilting grinding device for machining bearing rings installed on a vertical lathe, comprising a support frame 1, a spindle sleeve 2, an electric spindle 3 and a grinding wheel clamping plate 4. The support frame 1 comprises a shell 11 and an angle connector 12. The shell 11 is a rectangular box-type structure with an upper opening as a whole. The shell 11 is sleeved on the lower end of the ram 5. The upper surface of the bottom wall inside the shell 11 is provided with a T-shaped slide groove 111 and a cross-shaped positioning groove 112. The cross-shaped positioning groove 112 is positioned and connected with the lower end surface of the ram 5 of the vertical lathe. A T-shaped slider 7 is arranged in the T-shaped slide groove 111; one side of the angle connector 12 is connected to the outer side wall of the shell 11, the spindle sleeve 2 is fixedly connected to one side of the angle connector 12, the upper end of the electric spindle 3 is installed in the spindle sleeve 2, and the angle between the axis of the electric spindle 3 and the central axis of the ram 5 is 5-30 degrees. The lower end of the electric spindle 3 is provided with a grinding wheel clamping plate 4, and the grinding wheel 9 is installed on the grinding wheel supporting plate 4.

[0021] The support frame 1 is connected with a cylinder 6, the cylinder body of the cylinder 6 is connected to the ram 5 of the vertical lathe, and the piston rod of the cylinder 6 is connected to the support frame 1. Specifically, the ram 5 is installed on the crossbeam 8 of the vertical lathe, and a cross positioning piece is provided on the lower end surface of the bottom wall of the ram 5, and the cross positioning piece corresponds to the cross positioning groove 112. The ram 5 is driven by the driving mechanism of the vertical lathe and can move up and down. The cylinder 6 is installed in the middle of the bottom wall inside the ram 5, and the piston rod of the cylinder 6 passes through the bottom wall of the ram 5 and connects to the T-shaped slider 7. The cylinder 6 fixes the housing 11 to the lower end of the ram 5 of the vertical lathe by tightening the T-shaped slider 7; the angle connector 12 is connected to the outer wall of the housing 11 on one side, and connected to the main shaft sleeve 2 on the other side. This connection method is convenient for positioning, assembly and disassembly of the support frame 1.

[0022] The electric spindle 3 is a liquid-cooled electric spindle, and its upper end cover is provided with a power line interface 31 , a water inlet 32 ​​and a water outlet 33 .

[0023] In one embodiment of the present invention, the angle between the axis of the electric spindle 3 and the center axis of the ram 5 is 18.75 degrees.

[0024] The parts not described in detail in this utility model are prior art.

Claims

1. A tilting grinding device for machining bearing rings installed on a vertical lathe, comprising a support frame (1), a spindle sleeve (2), an electric spindle (3) and a grinding wheel clamping plate (4), wherein: The support frame (1) is fixedly sleeved at the lower end of a ram (5) of a vertical lathe, a spindle sleeve (2) is fixedly connected to one side of the support frame (1), an upper end of an electric spindle (3) is installed in the spindle sleeve (2), and an angle between an axis of the electric spindle (3) and a central axis of the ram (5) is 5-30 degrees, and a grinding wheel clamping plate (4) is installed at the lower end of the electric spindle (3).

2. The tilting grinding device for machining bearing rings installed on a vertical lathe according to claim 1 is characterized in that: The support frame (1) is connected to a cylinder (6), a cylinder body of the cylinder (6) is connected to a ram (5) of a vertical lathe, and a piston rod of the cylinder (6) is connected to the support frame (1).

3. The tilting grinding device for machining bearing rings installed on a vertical lathe according to claim 2 is characterized in that: The support frame (1) comprises a shell (11) and an angle connecting member (12); the shell (11) is a rectangular box-shaped structure with an upper opening; the shell (11) is sleeved on the lower end of the ram (5); a T-shaped slide groove (111) and a cross positioning groove (112) are provided on the upper surface of the bottom wall inside the shell (11); the cross positioning groove (112) is positioned and connected to the lower end surface of the ram (5) of the vertical lathe; a T-shaped slide groove (111) is provided in the T-shaped slide groove (111); the T-shaped slide groove (7) is connected to the piston rod of the cylinder (6); the cylinder (6) securely connects the shell (11) to the lower end of the ram (5) of the vertical lathe by tightening the T-shaped slide groove (7); one side of the angle connecting member (12) is connected to the outer wall of the shell (11); the other side is connected to the main shaft sleeve (2).

4. The tilting grinding device for machining bearing rings installed on a vertical lathe according to claim 1 is characterized in that: The electric spindle (3) is a liquid-cooled electric spindle, and its upper end cover is provided with a power line interface (31), a water inlet (32) and a water outlet (33).

5. The tilting grinding device for machining bearing rings installed on a vertical lathe according to claim 1 is characterized in that: The angle between the axis of the electric spindle (3) and the center axis of the ram (5) is 18.75 degrees.

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