A conical roller machining device

Abstract

The utility model relates to a kind of conical roller processing device in the field of rotary body production, comprising: rack, it has the workbench of horizontal arrangement;Fixed disc, interval is set in the upper table of the workbench, the fixed disc rotation is connected with several chucking rotary table, for chucking workpiece;Driving assembly, set in the fixed disc below, for synchronously driving all the chucking rotary table rotation;Grinding head, by the height-adjustable connecting mechanism setting in the rack, and located above the fixed disc, for grinding workpiece on all the chucking rotary table.The utility model synchronously drives multiple chucking rotary table by driving assembly, grinding head can simultaneously grind multiple workpieces, improve production efficiency;At the same time, since all workpieces are processed by same grinding head under the same working condition, effectively ensure the consistency of batch product size and shape, product quality is stable.

Description

Technical Field

[0001] This utility model relates to the field of rotary body production technology, and in particular to a tapered roller processing device. Background Technology

[0002] Tapered rollers, as a type of rotating part, are a key component in rolling bearings. Their manufacturing precision directly affects the bearing's rotational accuracy, service life, and stability. A typical characteristic of tapered rollers is their conical outer surface. During machining, especially in the fine grinding stage, their conical profile surface requires high-precision and high-efficiency grinding.

[0003] Currently, the grinding of the outer diameter of tapered rollers typically employs a single-piece sequential machining method. A common setup involves clamping a single workpiece onto a chuck or special fixture on the machine tool spindle, where a grinding wheel mounted on the grinding head grinds it. After one workpiece is completed, the next workpiece is moved on for machining. This machining method has the following main drawbacks: 1. Due to the single-station sequential machining, workpiece loading, unloading, positioning, and machining processes are time-consuming; 2. It is difficult to guarantee completely consistent positioning accuracy for different workpieces during clamping, and machining parameters may fluctuate slightly during multiple machining operations, resulting in poor machining consistency.

[0004] To address this, we designed a tapered roller machining device. Utility Model Content

[0005] To overcome the shortcomings of the prior art, this utility model discloses a tapered roller processing device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A tapered roller machining apparatus, comprising:

[0008] The frame has a horizontally arranged worktable;

[0009] Fixed disks are spaced apart on the upper surface of the worktable, and the fixed disks are rotatably connected to several clamping turntables for clamping workpieces.

[0010] A drive assembly, located below the fixed disk, is used to synchronously drive all the clamping turntables to rotate;

[0011] The grinding head is mounted on the frame via a height-adjustable connecting mechanism and is located above the fixed plate, for grinding all the workpieces on the clamping turntable.

[0012] Furthermore, the connecting mechanism includes a vertical guide rail located at the top of the frame and a mounting base that can move along the vertical guide rail and be locked.

[0013] The grinding head is mounted on the mounting base.

[0014] Furthermore, the connecting mechanism also includes a lead screw motor, the lead screw of which engages with the mounting base via a threaded slider, for driving the mounting base to move and lock along the vertical guide rail.

[0015] Furthermore, the top surface of the clamping turntable is provided with a clamping groove in the middle for the lower end of the workpiece to be inserted.

[0016] Furthermore, the driving component includes:

[0017] The drive gear is rotatably connected to the upper surface of the worktable via a wheel axle and is located below the fixed plate;

[0018] Several driven gears are coaxially connected to the lower end of the clamping turntable through axles, and all the driven gears mesh with the driving gear.

[0019] The motor has its output shaft engaged with the axle of the drive gear.

[0020] Furthermore, the upper surface of the fixed disk is detachably connected to a dispensing disk, and the dispensing disk is provided with a loading hole corresponding to the position of each clamping turntable;

[0021] The diameter of the loading hole is larger than the diameter of the small end of the workpiece and smaller than the diameter of the large end of the workpiece.

[0022] Furthermore, the dispensing tray is provided with a plurality of downwardly extending positioning rods evenly spaced along its circumference, and the upper surface of the fixing tray is provided with positioning holes, the lower ends of the positioning rods being inserted into the positioning holes.

[0023] Furthermore, the dispensing tray has a through central hole, and the upper surface of the fixing tray is provided with a central convex shaft, with the central hole fitted onto the central convex shaft.

[0024] Furthermore, the clamping turntable is a magnetic clamping turntable.

[0025] Compared with the prior art, the beneficial effects of this utility model are:

[0026] 1. By synchronously driving multiple clamping turntables through the drive component, the grinding head can grind multiple workpieces at the same time, which improves production efficiency. At the same time, since all workpieces are processed by the same grinding head under the same working conditions, the consistency of the size and shape of batch products is effectively guaranteed, and the product quality is stable.

[0027] 2. The drive assembly adopts a transmission method in which one driving gear simultaneously meshes with multiple driven gears. The structure is compact and the layout is reasonable. The gear transmission power is stable and reliable, ensuring that each clamping turntable and workpiece can achieve precise synchronous rotation, which provides a guarantee for obtaining a high-precision grinding surface.

[0028] 3. A clamping slot is set on the top surface of the clamping turntable, and magnetic clamping is used to ensure the stable fixation of the workpiece during high-speed rotary grinding, preventing it from shifting or being thrown out, thus ensuring processing safety and accuracy. In addition, the detachable loading tray and its loading hole design can effectively limit the axial position of the workpiece, preventing the workpiece from tilting during processing, and further improving the perpendicularity and geometric accuracy of the processing.

[0029] 4. The sub-packing tray achieves quick alignment and disassembly with the fixed tray through positioning rods and center holes, forming a modular structure that facilitates the loading and unloading of workpieces. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of this utility model;

[0031] Figure 2 This is the front view of the present invention;

[0032] Figure 3 This is the right view of the present invention;

[0033] Figure 4 This is an exploded structural diagram of the fixed disk and drive assembly in this utility model;

[0034] Figure 5 This is an exploded structural diagram of the fixed disk and drive assembly in this utility model from another perspective;

[0035] Figure 6 This is a schematic diagram of the dispensing tray in this utility model.

[0036] In the diagram: 1. Frame; 11. Worktable; 2. Fixed plate; 21. Clamping turntable; 22. Clamping slot; 23. Positioning hole; 24. Central cam shaft; 3. Drive assembly; 31. Drive gear; 32. Driven gear; 33. Motor; 4. Grinding head; 5. Connecting mechanism; 51. Vertical guide rail; 52. Mounting base; 53. Lead screw motor; 6. Dispensing plate; 61. Loading hole; 62. Positioning rod; 63. Central hole. Detailed Implementation

[0037] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if terms such as "upper", "lower", "front", "rear", "left", "right" indicate orientation or positional relationship, they are only corresponding to the drawings of this application for the convenience of describing the present invention. It should be understood that if terms such as "end", "side", "end portion", "side part", "lateral", "longitudinal", etc. indicate orientation or positional relationship, they are only corresponding to the length and width of the corresponding component. That is, "end" indicates the head and tail area in the length direction of the corresponding component, and "side part" indicates the head and tail area in the width direction of the corresponding component. They are for the convenience of describing the present invention and do not indicate or imply that the device or element referred to must have a specific orientation.

[0038] Please refer to the instruction manual appendix. Figure 1-5 The present invention provides the following technical solution:

[0039] Example 1: A tapered roller processing device includes a frame 1, a fixed plate 2, a drive assembly 3, a grinding head 4, and a connecting mechanism 5.

[0040] The frame 1 has a horizontally arranged worktable 11, which provides a stable support foundation for the entire device.

[0041] The fixed plate 2 is spaced on the upper surface of the worktable 11 by bolts or other fasteners. Several clamping turntables 21 are evenly spaced around the outer edge of the fixed plate 2 and are used to clamp the workpiece (i.e., tapered roller).

[0042] In this embodiment, a clamping groove 22 is provided in the middle of the top surface of the clamping turntable 21. The clamping groove 22 is a circular groove, and its size is designed to allow the lower end of the workpiece to be inserted, so as to achieve the initial positioning and fixation of the workpiece.

[0043] Preferably, the clamping turntable 21 is a magnetic clamping turntable, which uses magnetic force to attract the workpiece, further enhancing the clamping stability.

[0044] The drive assembly 3 is located below the fixed plate 2 and is used to synchronously drive all the clamping turntables 21 to rotate. The drive assembly 3 includes a driving gear 31, several driven gears 32, and a motor 33. The driving gear 31 is rotatably connected to the upper surface of the worktable 11 via an axle and is located below the fixed plate 2. Each driven gear 32 is coaxially connected to the lower end of the clamping turntable 21 via an axle, and all driven gears 32 mesh with the driving gear 31. The motor 33 is fixed below the worktable 11, and its output shaft is connected to the axle of the driving gear 31 via a coupling. When the motor 33 starts, it drives the driving gear 31 to rotate, which in turn drives all the driven gears 32 to rotate synchronously through gear meshing, thereby causing all the clamping turntables 21 and the workpieces on them to rotate synchronously.

[0045] The grinding head 4 is mounted on the frame 1 via a height-adjustable connecting mechanism 5 and is located above the fixed plate 2. The grinding head 4 is used to simultaneously grind all workpieces on the clamping turntable 21.

[0046] The connecting mechanism 5 includes a vertical guide rail 51 located at the top of the frame 1 and a mounting base 52 that can move and lock along the vertical guide rail 51. The grinding head 4 is bolted to the mounting base 52. The connecting mechanism 5 also includes a lead screw motor 53, whose lead screw is driven by a threaded slider to engage with the mounting base 52. By controlling the forward and reverse rotation of the lead screw motor 53, the mounting base 52 can be driven to move up and down along the vertical guide rail 51, thereby adjusting the height position of the grinding head 4. After moving into position, the mounting base 52 is locked in the desired position by a threaded self-locking structure.

[0047] Working process: The tapered roller workpieces are placed one by one into the clamping slots 22 of each clamping turntable 21 and fixed by magnetic attraction. The motor 33 is started to drive all clamping turntables 21 to rotate synchronously. The height of the grinding head 4 is adjusted so that its grinding surface contacts the workpiece for grinding. The grinding head 4 can perform efficient and consistent grinding on all workpieces simultaneously, improving processing accuracy and efficiency.

[0048] Example 2: A tapered roller machining device. Based on Example 1, this example further adds a sub-loading tray 6 structure to enhance the loading and positioning accuracy of the workpiece.

[0049] Please see Figures 4 to 6 The dispensing tray 6 is detachably connected to the upper surface of the fixed tray 2. The dispensing tray 6 has a loading hole 61 corresponding to each clamping turntable 21. The diameter of the loading hole 61 is designed to be larger than the diameter of the small end of the workpiece and smaller than the diameter of the large end of the workpiece, so that the small end of the workpiece can be inserted into the hole, while the large end is supported above the hole, realizing axial positioning of the workpiece when disassembling the workpiece.

[0050] Preferably, the loading hole 61 is a tapered hole with the same profile as the middle part of the workpiece.

[0051] As needed, the depth of the loading hole 61, i.e. the thickness of the dispensing disc 6, is 1 / 3 to 1 / 2 of the axial length of the workpiece.

[0052] The dispensing tray 6 has multiple downwardly extending positioning rods 62 evenly spaced along its circumference, and the upper surface of the fixed tray 2 has corresponding positioning holes 23. When installing the dispensing tray 6, the lower end of the positioning rod 62 is inserted into the positioning hole 23 to achieve precise alignment between the dispensing tray 6 and the fixed tray 2.

[0053] Furthermore, the dispensing tray 6 has a through central hole 63, and the upper surface of the fixed tray 2 is provided with a central convex shaft 24. The central hole 63 is sleeved on the central convex shaft 24, which further ensures the stability and centering accuracy of the dispensing tray 6.

[0054] In this embodiment, the loading tray 6 can be made of wear-resistant material for easy replacement and maintenance. Through the loading hole 61 of the loading tray 6, the workpiece remains vertical during clamping and grinding, avoiding tilting and improving machining quality.

[0055] It should be noted that there can be two sub-packing trays 6. During the operation of the processing device, workpieces can be loaded onto the other sub-packing tray 6. After the processing device finishes processing the workpiece, the sub-packing tray 6 (carrying the processed workpiece) can be directly removed from the fixed tray 2, and then the sub-packing tray 6 loaded with the workpiece to be processed can be installed on the upper surface of the fixed tray 2, which improves the efficiency of loading and unloading.

[0056] The parts of this utility model not described in detail are prior art. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that this utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the above embodiments should be regarded as exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended to include all changes that fall within the meaning and scope of the equivalents of the claims within this utility model.

Claims

1. A tapered roller machining apparatus, characterized in that, include: The frame (1) has a horizontally arranged worktable (11); Fixed disks (2) are spaced apart on the upper surface of the worktable (11). Several clamping turntables (21) are rotatably connected to the fixed disks (2) for clamping workpieces. The drive assembly (3) is located below the fixed disk (2) and is used to synchronously drive all the clamping turntables (21) to rotate. The grinding head (4) is mounted on the frame (1) via a height-adjustable connecting mechanism (5) and is located above the fixed plate (2) for grinding all the workpieces on the clamping turntable (21).

2. The tapered roller processing device according to claim 1, characterized in that: The connecting mechanism (5) includes a vertical guide rail (51) located on the top of the frame (1) and a mounting base (52) that can move along the vertical guide rail (51) and be locked. The grinding head (4) is mounted on the mounting base (52).

3. The tapered roller processing device according to claim 2, characterized in that: The connecting mechanism (5) also includes a lead screw motor (53), the lead screw of the lead screw motor (53) is driven to cooperate with the mounting base (52) through a threaded slider, and is used to drive the mounting base (52) to move and lock along the vertical guide rail (51).

4. The tapered roller processing device according to claim 1, characterized in that: The clamping turntable (21) has a clamping groove (22) in the middle of its top surface for inserting the lower end of the workpiece.

5. The tapered roller machining apparatus according to claim 1, characterized in that: The driving component (3) includes: The drive gear (31) is rotatably connected to the upper surface of the worktable (11) via a wheel axle and is located below the fixed disk (2); Several driven gears (32) are coaxially connected to the lower end of the clamping turntable (21) through axles, and all the driven gears (32) mesh with the driving gear (31); The motor (33) has its output shaft engaged with the axle drive of the drive gear (31).

6. The tapered roller processing device according to claim 5, characterized in that: The upper surface of the fixed disk (2) is detachably connected to a dispensing disk (6), and the dispensing disk (6) is provided with a loading hole (61) corresponding to the position of each clamping turntable (21). The diameter of the loading hole (61) is greater than the diameter of the small end of the workpiece and less than the diameter of the large end of the workpiece.

7. The tapered roller processing device according to claim 6, characterized in that: The dispensing tray (6) is provided with a plurality of downwardly extending positioning rods (62) evenly spaced along its circumference. The upper surface of the fixing tray (2) is provided with positioning holes (23), and the lower end of the positioning rods (62) is inserted into the positioning holes (23).

8. The tapered roller machining apparatus according to claim 7, characterized in that: The dispensing tray (6) has a through central hole (63), and the upper surface of the fixing tray (2) is provided with a central convex shaft (24), and the central hole (63) is fitted onto the central convex shaft (24).

9. The tapered roller machining apparatus according to claim 1, characterized in that: The clamping turntable (21) is a magnetic clamping turntable.

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