CN221088468U - Swinging mechanism for trimming bearing channel - Google Patents

Abstract

The utility model discloses a rocking mechanism for finishing a bearing channel, which comprises a rotating shaft at the upper part, a rotating seat at the middle part, a rocking rod and a rocking seat at the lower part, wherein the parts are connected in a mutually sleeved mode, the number of parts is small, the rotating motion of the rotating shaft converts the rocking motion of the rocking seat, and the force transmission performance between rotating rocking shafts is good; the center of the convex arc step threaded through hole of the rotating seat is consistent with the circular arc through groove of the rotating shaft, the rotating shaft step is provided with a concave arc surface matched with the circular arc surface of the rotating seat, and the rotating motion of the rotating shaft is prevented from being interfered by the rotating seat. The rocking mechanism for trimming the bearing channel has novel structural layout and small occupied space; the swing angle of the swing mechanism is adjusted by adjusting the position of the screw hole of the rotating seat, so that the swing mechanism is simple and convenient; the transmission distance is short, the vibration is small, and the finishing roughness of the bearing channel is high.

Description

Swinging mechanism for trimming bearing channel

Technical Field

The utility model belongs to the technical field of bearing machining, and relates to a rocking mechanism for finishing a bearing channel.

Background

The main shaft is used as a core functional component of a numerical control processing machine tool, in the operation process of the main shaft, the bearing is used as a supporting and rotating key component, the precision of the bearing directly influences the processing precision of the main shaft and the service life of the main shaft, wherein the precision of a bearing channel is a key factor influencing the matching precision of a bearing ring and a ball, the channel finishing of the bearing ring is generally carried out by driving an oilstone by a swinging mechanism of a bearing superfine grinding machine, the channel reciprocating grinding of the bearing ring reaches the precision requirement through the oilstone, the main precision comprises the surface roughness, the waviness, the geometric shape precision and the like of the channel, so that the structural design requirement on a finishing mechanism of the superfine grinding machine is higher, the finishing mechanism of the general superfine grinding machine occupies larger space, the transmission chain of a connecting mechanism between a rotating swinging shaft and a rotating shaft is more, the stability of force is poor in the transmission process, the vibration is generated, the channel precision of the processing bearing ring is not high, and the surface roughness is poor, thereby directly influencing the quality of the bearing.

Disclosure of Invention

Aiming at the defects and problems of the existing swinging mechanism of the superfine grinding machine, the swinging mechanism for trimming the bearing channel is provided, the components are connected and connected in a mutually sleeved mode, the occupied space is small, the force transmission performance between the rotating shaft and the rotating swinging shaft is good, and the quality of the bearing channel is greatly improved.

The utility model adopts the technical scheme that: the swing mechanism for trimming the bearing channel comprises a rotating shaft at the upper part, a rotating seat at the middle part, a swing rod and a swing seat at the lower part, wherein the lower end of the rotating shaft is provided with a step, and the rotating shaft step is provided with a rectangular through groove which is symmetrical with the axis; the rotating shaft step is provided with a concave cambered surface which is matched with the rotary seat cambered surface; the radial direction of the step is provided with an arc through groove.

Further, the rotary seat is arranged to be of a hollow step structure, the upper end of the rotary seat is provided with a convex arc step matched with the rectangular through groove at the lower end of the rotary shaft, and the convex arc step is arranged and installed in the rectangular through groove provided with the rotary shaft.

Further, the inside hollow structure that sets up of roating seat lower extreme sets up the installation bearing, and the bearing lower extreme sets up the installation jump ring.

Further, the convex arc step of the rotating seat is provided with a plurality of concentric threaded through holes, and the threaded through holes are matched with and provided with adjusting screws.

Further, the circle center of the convex arc step threaded through hole of the rotating seat is consistent with the arc through groove of the rotating shaft.

Further, the upper end of the rocking rod is sleeved on the inner wall of the bearing, and the upper end of the rocking rod is provided with an internal thread structure.

Further, the swinging rod is provided with a symmetrical plane structure, and the lower end of the swinging rod is sleeved in the rectangular through groove of the swinging seat; the lower end of the swinging rod is provided with a circular through hole for adapting and arranging a mounting pin, and the lower end of the circular through hole is radially provided with a threaded hole communicated with the through hole for adapting and arranging a locking screw.

Further, the outside of the swinging seat is provided with a step structure, the left end of the swinging seat is provided with a cylindrical step structure, and the right end of the swinging seat is provided with a rectangular step structure; the middle part of the rectangular step structure is provided with symmetrical upper and lower rectangular through grooves, and the rectangular through grooves are adapted to the lower ends of the rocking bars; the middle part of the rectangular step structure is provided with a through hole which is matched with the through hole at the lower end of the swinging rod, and the pin column is arranged and installed in the through holes of the swinging seat and the swinging rod.

Further, an inner taper hole structure is arranged in the left end of the swing seat; the left end cylinder of the swinging seat is provided with symmetrical arc grooves.

The utility model has the beneficial effects that: 1. the rocking mechanism for trimming the bearing channel has novel structural layout and small occupied space; 2. the swing angle of the swing mechanism is adjusted by adjusting the position of the screw hole of the rotating seat, so that the swing mechanism is simple and convenient; 3. the swinging mechanism performs motion conversion through the rotating seat and the swinging rod, has simple structure, short transmission distance, small vibration and high bearing channel finishing roughness.

Drawings

Fig. 1 is a schematic diagram of a bearing channel conditioning rocking mechanism.

Fig. 2 is a structural cross-sectional view of a bearing channel conditioning rocking mechanism.

Fig. 3 is a schematic structural view of the rotary shaft.

Fig. 4 is a schematic structural view of the rotary base.

Fig. 5 is a schematic structural view of the rocking lever.

Fig. 6 is a schematic diagram of a swing seat structure.

Reference numerals in the drawings: 100-rotating shaft; 101-steps; 102-arc grooves; 103-concave cambered surface; 104-rectangular through grooves; 200-adjusting a screw; 300-rotating seat; 301-convex arc steps; 302-arc surface; 400-swinging rod, 500-swinging seat and 600-locking pin; 700-pin; 800-bearing; 900-a compression screw and 1000-a clamp spring.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made by way of illustration, but not limitation, for the understanding of those skilled in the art.

It should be noted in advance that, in the present utility model, terms such as "mounted," "connected," "secured," and the like should be construed broadly unless explicitly stated or limited otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

1-3, A bearing channel trimming rocking mechanism comprises a rotating shaft 100 at the upper part, a rotating seat 300 at the middle part, a rocking rod 400 and a rocking seat 500 at the lower part, wherein a step 101 is arranged at the lower end of the rotating shaft 100, and a rectangular through groove 104 symmetrical with the axis is arranged on the rotating shaft step 101; the rotating shaft step 101 is provided with a concave cambered surface 102 which is matched with the arc surface 302 of the rotating seat 300, and the rotating shaft step plays a role in preventing the rotating shaft from interfering with the rotating seat during rotation; the radial direction of the step 101 is provided with an arc through groove 102; the rotating seat 300 is provided with a hollow step structure, the upper end of the rotating seat 300 is provided with a convex arc step 301 which is matched with the rectangular through groove 104 at the lower end of the rotating shaft 100, and the convex arc step 301 is arranged and installed in the rectangular through groove 104 provided with the rotating shaft 100; the hollow structure is arranged in the lower end of the rotating seat 300, the installation bearing 800 is arranged at the lower end of the bearing, the installation clamp spring 1000 is arranged at the lower end of the bearing, and the axial displacement of the bearing 800 is limited;

Further, as shown in fig. 4, the convex arc step 301 of the rotating seat 300 is provided with a plurality of concentric threaded through holes, and the threaded through holes are matched with the installation adjusting screw 200 to play a role in adjusting the swing angle; the circle center of the threaded through hole of the rotating seat 300 is consistent with the circular arc through groove 102 of the rotating shaft 100, so that the adjusting screw 200 can move around the circle center in the circular arc through groove 102;

Further, the upper end of the rocking rod 400 is sleeved on the inner wall of the bearing 800, an internal thread structure is arranged at the upper end of the rocking rod 400, and the rocking rod 400 is fixed by adapting and installing the compression screw 900, so that the rocking rod 400 is prevented from falling off.

Further, as shown in fig. 5, the rocking rod 400 is provided with a symmetrical plane structure, the lower end of the rocking rod 400 is sleeved in a rectangular through groove of the rocking seat 500, and the rocking of the rocking rod 400 drives the rocking seat 500 to swing; the lower end of the rocking rod 400 is provided with a circular through hole, the circular through hole is matched with the installation pin 700, the lower end of the circular through hole is radially provided with a threaded hole communicated with the through hole, the locking screw 600 is matched with the installation pin, and the relative position of the rocking rod 400 and the pin 700 is fixed through the locking screw 600.

Further, as shown in fig. 6, the outside of the rocking seat 500 is provided with a stepped structure, the left end of the rocking seat 500 is provided with a cylindrical stepped structure, and the right end of the rocking seat 500 is provided with a rectangular stepped structure; the middle part of the rectangular step structure is provided with symmetrical upper and lower rectangular through grooves, and the rectangular through grooves are adapted to the lower ends of the rocking bars 400; the middle part of the rectangular step structure is provided with a through hole matched with the through hole at the lower end of the rocking rod 400, the pin 700 is arranged and installed in the through holes of the rocking seat 500 and the rocking rod 400, and the relative positions of the rocking seat 500 and the rocking rod 400 are fixed.

Further, an inner taper hole structure is arranged in the left end of the swing seat 500, and the inner taper hole is connected with the swing shaft in a matching manner, so that the function of axial positioning is achieved; the left end cylinder of the swinging seat 500 is provided with symmetrical arc grooves, and the swinging shaft is connected through bolts, so that the swinging shaft is adjusted and fixed.

The use process or the working state of the utility model: the rotating shaft 100 rotates under the action of external force to drive the rotating seat 300 to rotate, the circular arc through groove 102 of the rotating shaft 100 rotates around the axis, and under the joint limiting action of the adjusting bolt 200 and the circular arc through groove 102 of the rotating shaft 100, the rotating seat 300 rotates and simultaneously swings with a certain amplitude; further, the swing rod 400 is driven to swing through the compression screw 900 and the bearing 800; further, the swing rod 400 drives the swing seat 500 to swing; the left end inner taper hole of the swing seat 500 is positioned, the arc groove and the bolt are fixedly connected with the swing shaft, and the swing shaft is driven to swing; further, the oilstone mechanism at the front end of the pendulum shaft is driven to correct the bearing channel.

Further, the swing angle of the mechanism can be adjusted by adjusting the positions of the screw 200 at different threaded through holes of the convex arc step 301 of the rotating seat 300.

The above embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and various changes and modifications may be made without departing from the scope and spirit of the above claims, and any simple modification, equivalent changes and modifications made to the above embodiments according to the technical substance of the present utility model fall within the scope of the technical solution of the present utility model.

In order to facilitate understanding of the improvements of the present utility model over the prior art by those of ordinary skill in the art, some of the figures and descriptions of the present utility model have been simplified and some other elements are omitted from the present document for clarity, and those of ordinary skill in the art will appreciate that these omitted elements also constitute the content of the present utility model.

Claims (9)

1. The utility model provides a rocking mechanism that bearing channel was maintained, includes rotation axis (100) on upper portion, roating seat (300) and rocking lever (400) in middle part, rocking seat (500) of lower part, its characterized in that: the lower end of the rotating shaft (100) is provided with a step (101), and the rotating shaft step (101) is provided with a rectangular through groove (104) symmetrical with the axis; the rotating shaft step (101) is provided with a concave arc surface (103) which is matched with the arc surface (302) of the rotating seat (300); the radial direction of the step (101) is provided with an arc through groove (102).

2. A rocking mechanism for bearing channel trimming as claimed in claim 1, wherein: the rotary seat (300) is of a hollow step structure, a convex arc step (301) matched with the rectangular through groove (104) at the lower end of the rotary shaft (100) is arranged at the upper end of the rotary seat (300), and the convex arc step (301) is arranged and installed in the rectangular through groove (104) provided with the rotary shaft (100).

3. A rocking mechanism for bearing channel trimming according to claim 1 or 2, wherein: the rotary seat (300) is characterized in that a hollow structure mounting bearing (800) is arranged at the lower end of the rotary seat, and a mounting clamp spring (1000) is arranged at the lower end of the bearing (800).

4. A rocking mechanism for bearing channel trimming as claimed in claim 1, wherein: the convex arc step (301) of the rotating seat (300) is provided with a plurality of concentric threaded through holes, and the threaded through holes are matched with the adjusting screws (200).

5. A rocking mechanism for bearing channel trimming as claimed in claim 1, wherein: the center of the threaded through hole of the convex arc step (301) of the rotating seat (300) is consistent with the arc through groove (102) of the rotating shaft (100).

6. A rocking mechanism for channel conditioning of a shaft as claimed in claim 1, wherein: the upper end of the swinging rod (400) is provided with an inner wall sleeved on the bearing (800), and the upper end of the swinging rod (400) is provided with an internal thread structure.

7. A rocking mechanism for bearing channel trimming according to claim 1 or 6, wherein: the swing rod (400) is provided with a symmetrical plane structure, and the lower end of the swing rod (400) is sleeved in a rectangular through groove of the swing seat (500); the lower end of the swinging rod (400) is provided with a circular through hole for adapting and arranging a mounting pin (700), the lower end of the circular through hole is radially provided with a threaded hole communicated with the through hole, and a locking screw (600) is adapted and arranged.

8. A rocking mechanism for bearing channel trimming as claimed in claim 1, wherein: the outside of the swinging seat (500) is provided with a step structure, the left end of the swinging seat (500) is provided with a cylindrical step structure, and the right end of the swinging seat (500) is provided with a rectangular step structure; the middle part of the rectangular step structure is provided with symmetrical upper and lower rectangular through grooves, and the lower ends of rocking bars (400) are adaptively arranged in the rectangular through grooves; the middle part of the rectangular step structure is provided with a through hole matched with the through hole at the lower end of the rocking bar (400), and the pin (700) is arranged in the through holes of the rocking seat (500) and the rocking bar (400).

9. A rocking mechanism for bearing channel trimming according to claim 1 or 8, wherein: an inner taper hole structure is arranged in the left end of the swing seat (500); the left end cylinder of the swinging seat (500) is provided with symmetrical arc grooves.