CN118404413B

CN118404413B - Finish machining device for slewing bearing shell

Info

Publication number: CN118404413B
Application number: CN202410875789.9A
Authority: CN
Inventors: 刘超
Original assignee: Changzhou Mingying Zhizao Technology Co ltd
Current assignee: Changzhou Mingying Zhizao Technology Co ltd
Priority date: 2024-07-02
Filing date: 2024-07-02
Publication date: 2024-10-22
Anticipated expiration: 2044-07-02
Also published as: CN118404413A

Abstract

The invention relates to the technical field of metal processing, in particular to a finish machining device for a slewing bearing shell, which comprises an outer shell, a rotary driving mechanism and a plurality of cutters, wherein a clamping piece is rotatably arranged on one side in the outer shell through the rotary driving mechanism, a lower housing is fixed below the clamping piece, an upper housing and an elastic supporting component are movably arranged right above the lower housing, one sides of the lower housing and the upper housing are horizontally provided with strip-shaped through holes for accommodating the cutters to extend into the inner part, the top end in the outer shell is horizontally provided with a mounting seat through a second linear driving mechanism in a sliding manner, the bottom end of the mounting seat is horizontally provided with a first sliding block through a first linear driving mechanism, the bottom end of the first sliding block is provided with a cutter holder through a connecting piece, the top end of the upper housing is provided with a linear driving component, the grinding working efficiency and the working precision of a workpiece are improved, and the later cleaning workload is reduced.

Description

Finish machining device for slewing bearing shell

Technical Field

The invention relates to the technical field of metal processing, in particular to a finish machining device for a shell of a slewing bearing.

Background

The slewing bearing is a large-sized bearing capable of bearing comprehensive load and can bear larger axial and radial loads and overturning moment. The slewing bearing is generally provided with a mounting hole, an inner gear or an outer gear, a lubricating oil hole and a sealing device, so that the design structure of the main machine is compact, the guiding is simple and convenient, and the maintenance is easy.

The existing slewing bearing shell is generally formed through pouring, reference is made to fig. 7, polishing and finish machining are needed to be conducted on the shell according to the size requirement after the product is formed, the bearing hole and each step portion of the shell meet the size requirement, a lot of metal scraps can be generated in the grinding process of the existing finish machining equipment, the metal scraps are accumulated at the bottom end of the equipment, the position adjustment of a cutter is affected, and then the machining precision of the equipment is possibly affected.

Disclosure of Invention

The invention aims to provide a slewing bearing shell finishing device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a slewing bearing casing finishing device, including the shell body, be used for carrying out the fixed holder of centre gripping and be used for driving holder pivoted rotary driving mechanism and a plurality of cutter to the slewing bearing casing, the holder passes through rotary driving mechanism and rotates one side that sets up in the shell body inside, and the below of holder is fixed with down the housing, the activity sets up the housing directly over the lower housing, the top of going up the housing is provided with the elastic support subassembly that the housing upwards moved of automatic promotion, make upper housing and lower housing separation, one side level of lower housing and upper housing is provided with the bar through-hole that holds the cutter and extend to inside, the top of shell body inside is provided with the mount pad through second linear driving mechanism horizontal slip, and second linear driving mechanism is used for driving the mount pad along being close to or keeping away from one side horizontal migration of holder, the bottom of mount pad is provided with first slider through first linear driving mechanism horizontal slip, and the housing is gone up the side wall of a plurality of side of being close to each of side of being close to the housing is installed to the housing through the connecting piece horizontal back and forth slip, and the inside of connecting piece is provided with the rotary driving member that drives the cutter holder pivoted, the side wall of cutter is moved to each side of cut to be close to the housing is cut close to the housing through the first linear driving assembly, seal cover is formed the side of cut.

Further, the elastic support assembly comprises a plurality of first guide rods vertically fixed at the top end of the upper housing, a plurality of through holes corresponding to the first guide rods one by one are formed in the top end of the outer housing in a penetrating mode, the top ends of the first guide rods penetrate through the through holes and extend to the outside of the outer housing, first springs are sleeved on the first guide rods outside the outer housing, limiting plates used for limiting the first springs are arranged at the top ends of the first guide rods, the upper housing is pushed to move upwards by the first springs, and the upper housing is separated from the lower housing.

Further, the linear driving assembly comprises a driven block fixed at the top end of the upper housing, a roller arranged in the middle of the driven block in a rotating mode and a driving block arranged in the middle of the driven block in a horizontal sliding mode, a sliding hole is obliquely formed in the driving block, the sliding hole is obliquely downwards arranged from one side close to the driven block to one side close to the first sliding block, when the driving block horizontally moves, the roller is pushed to slide Kong Gundong, the driven block of the belt vertically slides, and a driving arm is horizontally arranged on one side of the sliding hole close to the first sliding block.

Further, one side of the first sliding block, which is close to the driving arm, is provided with a self-adaptive driving piece, the self-adaptive driving piece comprises an outer tube with one end being opened and a sliding plate movably arranged in the outer tube through a third spring, the driving arm penetrates through the opening in the outer tube to extend into the inner portion, and the end portion of the driving arm is abutted against the sliding plate.

Further, the blade holder is square structure, and the quantity of cutter is provided with four, installs respectively on four lateral walls of blade holder, and all is provided with the seal assembly that is used for sheltering from the bar through-hole on four lateral walls of blade holder.

Further, seal assembly includes the baffle in the blade holder outside, a plurality of levels are fixed at the baffle and are close to the second guide bar of blade holder one side and cup joint the second spring on the second guide bar, and the size of baffle is greater than the size of bar through hole, runs through on the blade holder and is provided with the through-hole that holds second guide bar horizontal slip, and the second guide bar extends to inside the through-hole, runs through on the baffle and is provided with the through-hole that matches each other with the cutter.

Further, the second linear driving mechanism comprises a second sliding block fixed at the top end of the mounting seat, a linear driving piece horizontally fixed at the top end of the outer shell and a connecting plate used for connecting the output end of the linear driving piece with the second sliding block, a through hole for accommodating the horizontal sliding of the connecting plate is formed in the top end of the outer shell in a penetrating mode, and the linear driving piece is used for pushing the second sliding block to horizontally slide at the top end of the inner portion of the outer shell along one side close to or far away from the clamping piece.

Further, a slag discharge port is arranged at the bottom end of the lower housing, and a dust collecting groove is arranged at the bottom end of the outer housing.

Further, the clamping member is a three-jaw chuck.

Further, the strip-shaped through holes are provided along the radial direction of the slewing bearing housing.

Compared with the prior art, the invention has the beneficial effects that: finish machining device for shell of slewing bearing

Through setting up the shell body, all set up mount pad, first straight line actuating mechanism, first slider and second straight line actuating mechanism on the inside top of shell body, the metal piece that the grinding produced is difficult for piling up on the driving medium, conveniently adjusts the position of cutter, reduces the work load of later stage clearance metal piece simultaneously;

by arranging the lower housing, the upper housing, the elastic supporting component and the linear driving component, the whole product of the rotary bearing housing is automatically covered and connected inside when the rotary bearing housing is processed, so that the splashing of scraps is avoided, the safety is improved, and the investment of equipment and the complexity of manual operation are reduced;

Can process not unidimensional slewing bearing casing through setting up the holder, the quantity of cutter is provided with a plurality ofly, satisfies different processing demands, and the suitability is strong.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of an elastic support assembly according to the present invention;

FIG. 3 is a schematic perspective view of a second linear driving mechanism according to the present invention;

FIG. 4 is a schematic cross-sectional view of a linear drive assembly of the present invention;

FIG. 5 is a schematic perspective view of a linear driving assembly according to the present invention;

FIG. 6 is a schematic cross-sectional view of the linear drive assembly of the present invention with the lower and upper housings combined;

fig. 7 is a schematic perspective view of a prior art slewing bearing housing.

In the figure: 1. an outer housing; 101. a dust collection tank; 2. a clamping member; 3. a rotary driving mechanism; 301. a rotating seat; 302. a motor; 4. a lower housing; 401. a slag discharge port; 5. an upper housing; 501. a bar-shaped through hole; 6. an elastic support assembly; 601. a first guide bar; 602. a first spring; 603. a limiting plate; 7. a linear drive assembly; 701. a driving block; 702. a slide hole; 703. a driven block; 704. a roller; 705. a driving arm; 8. a mounting base; 9. a first linear driving mechanism; 10. a first slider; 11. a connecting piece; 12. a tool apron; 13. a cutter; 14. a second linear driving mechanism; 1401. a second slider; 1402. a linear driving member; 1403. a connecting plate; 15. a seal assembly; 1501. a baffle; 1502. a second guide bar; 1503. a second spring; 16. an adaptive drive; 1601. an outer tube; 1602. a third spring; 1603. and (3) a sliding plate.

Detailed Description

In the following description of the embodiments of the present invention, it should be noted that, the descriptions of the terms "first", "second", etc. are only for descriptive purposes, and are not intended to specifically identify the order or order of the aspects of the present invention, but are merely for distinguishing components or operations described in the same technical terms, and are not to be construed as indicating or implying a relative importance or implying any particular order of the features of the embodiments of the present invention, so that the features defining "first", "second", etc. may explicitly or implicitly include at least one such feature. For the purpose of the present description and claims, and any variations thereof, the term "comprising" and any variations thereof as used in the above-described drawings is intended to cover a non-exclusive inclusion.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected or detachably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-7, an embodiment of the present invention is provided: the rotary bearing shell finishing device comprises an outer shell 1, a clamping piece 2 for clamping and fixing the rotary bearing shell, a rotary driving mechanism 3 for driving the clamping piece 2 to rotate and a plurality of cutters 13, wherein the clamping piece 2 is rotatably arranged on one side inside the outer shell 1 through the rotary driving mechanism 3, in the embodiment, the outer shell 1 is particularly a cuboid structure with front and rear openings, the rotary driving mechanism 3 comprises a rotary seat 301 which is rotatably arranged on the inner side wall of the outer shell 1, the clamping piece 2 is fixedly connected with the rotary seat 301, a rotary shaft is horizontally arranged, one end of the rotary shaft extends to the outer side wall of the outer shell 1 and is provided with a motor 302, the rotary seat 301 is driven to rotate through the motor 302 during working, then the clamping piece 2 and the cutters 13 are driven to synchronously rotate, the rotated products are contacted with the cutters 13 to realize cutting and polishing processing, the clamping piece 2 can be particularly a three-jaw chuck, the rotary bearing shell with different diameters can be fixed by adjusting the positions of the clamping jaws, meanwhile, the rotation center of the rotary bearing shell is fixed at one point during finish machining, referring to fig. 7, in the prior art, the rotary bearing shell body is of a cylindrical structure, a plurality of annular steps are arranged on the side walls of two ends along the axial direction of the rotary bearing shell body according to assembly requirements, and the rotary bearing shell body is mainly formed by casting, so that the final finish machining needs to cut and polish each step part and a central bearing hole according to the assembly requirements, and the clamping piece 2 is arranged as a three-jaw chuck to clamp and fix the rotary bearing shell body, so that the rotation center of the rotary bearing shell body cannot deviate during the processing of each step part and the central bearing hole in the later stage, the coaxiality of products is guaranteed, and the processing precision of the products is improved;

The lower cover shell 4 is fixed below the clamping piece 2, the upper cover shell 5 is movably arranged right above the lower cover shell 4, in the embodiment, the lower cover shell 4 and the upper cover shell 5 are of semi-cylindrical structures, an elastic supporting component 6 which automatically pushes the upper cover shell 5 to move upwards is arranged at the top end of the upper cover shell 5, the upper cover shell 5 and the lower cover shell 4 are separated, the elastic supporting component 6 comprises a plurality of first guide rods 601 which are vertically fixed at the top end of the upper cover shell 5, in the embodiment, two first guide rods 601 are arranged and respectively fixed at two sides of the top end of the upper cover shell 5, a plurality of through holes which are in one-to-one correspondence with the first guide rods 601 are arranged at the top end of the outer cover shell 1 in a penetrating way, the top end of the first guide rods 601 extend to the outside of the outer cover shell 1 through the through holes, the first guide rods 601 outside the outer shell 1 are sleeved with the first springs 602, the top ends of the first guide rods 601 are provided with limiting plates 603 used for limiting the first springs 602, the first springs 602 push the upper cover shell 5 to move upwards to enable the upper cover shell 5 to be separated from the lower cover shell 4, the top ends of the first springs 602 are abutted with the limiting plates 603, the bottom ends of the first springs 602 are abutted with the top ends of the outer shell 1, in a normal state, the first springs 602 push the limiting plates 603 to move upwards, then the upper cover shell 5 is driven to move upwards synchronously, the lower cover shell 4 is separated from the upper cover shell 5, the rotary bearing shell to be machined is convenient to disassemble, assemble and replace, the limiting plates 603 and the first guide rods 601 can be movably connected through threads, and the positions of the limiting plates 603 and the disassembly and assembly of the limiting plates 603 are convenient to adjust;

The lower housing 4 and one side of the upper housing 5 are horizontally provided with a bar-shaped through hole 501 for accommodating the cutter 13 and extending to the inside, specifically, the bar-shaped through hole 501 is arranged along the radial direction of the horizontal direction of the clamping piece 2, the top end in the outer housing 1 is horizontally slidably provided with the mounting seat 8 through the second linear driving mechanism 14, the second linear driving mechanism 14 is used for driving the mounting seat 8 to horizontally move along one side close to or far away from the clamping piece 2, the second linear driving mechanism 14 comprises a second sliding block 1401 fixed at the top end of the mounting seat 8, a linear driving member 1402 horizontally fixed at the top end of the outer housing 1 and a connecting plate 1403 for connecting the output end of the linear driving member 1402 with the second sliding block 1401, the top end of the outer housing 1 is penetrated and provided with a through hole for accommodating the horizontal sliding of the connecting plate 1403, the linear driving member 1402 is used for pushing the top end of the second sliding block 1401 in the outer housing 1 to horizontally slide along one side close to or far away from the clamping piece 2, the linear driving member 1402 can be specifically any one of an air cylinder, a hydraulic telescopic rod, an electric telescopic rod and the like, the mounting seat 8 is horizontally slid through the telescopic driving member 8, thus realizing the feeding or retracting and further improving the stability, the mounting of the cutter 8 can be mounted on the inner side of the linear sliding guide rail 1;

Referring to fig. 3, a first slider 10 is provided at the bottom end of the mounting seat 8 by sliding horizontally through a first linear driving mechanism 9, and the first linear driving mechanism 9 is used for driving the first slider 10 to slide horizontally back and forth along the center of the clamping member 2, in this embodiment, the mounting seat 8 is in a U-shaped structure with a downward opening, the first linear driving mechanism 9 includes a motor that is disposed inside the mounting seat 8 along the direction perpendicular to the expansion and contraction direction of the linear driving member 1402 and drives the screw to rotate, and may also be configured as an air cylinder or other driving member as required, the bottom end of the first slider 10 is provided with a tool holder 12 through a connecting member 11, and a rotating driving member (not shown in the figure) that drives the tool holder 12 to rotate is disposed inside the connecting member 11, a plurality of tools 13 are mounted on each side wall of the tool holder 12, the rotating driving member can be a motor, a rotating air cylinder, etc., in this embodiment, the connecting member 11 is in a hollow structure, the rotating driving the tool holder 12 is mounted inside, and is convenient for changing different tools according to different processing requirements of different parts of the rotating bearing housing, in this embodiment, the tool holders 12 are provided with four tool holders 12, and four tool holders 12 are mounted on four side walls are respectively, and four side wall members are mounted on the four side walls of the tool holders 12 are respectively, and each side wall is provided with four bar-shaped members 15;

Referring to fig. 3, the sealing assembly 15 comprises a baffle 1501 disposed in parallel on the outer side of the cutter holder 12, a plurality of second guide rods 1502 horizontally fixed on one side of the baffle 1501 near the cutter holder 12, and a second spring 1503 sleeved on the second guide rods 1502, wherein the size of the baffle 1501 is larger than that of the strip-shaped through holes 501, the cutter holder 12 is provided with through holes for accommodating the second guide rods 1502 to slide horizontally, the second guide rods 1502 extend into the through holes, the through holes or the second guide rods 1502 are provided with limiting mechanisms for preventing the second guide rods 1502 from extending out of the through holes, the baffle 1501 is provided with through holes matched with the cutters 13, in operation, the cutters 13 extend to the outer side of the baffle 1501 through the through holes on the baffle 1501, the cutter is cut and polished by extending to the inner sides of the lower housing 4 and the upper housing 5 through the strip-shaped through holes 501, and the positions of the cutters 13 are required to be adjusted through the first linear driving mechanism 9 and the second linear driving mechanism 14 due to the difference of the sizes of the products and the positions to be processed, the strip-shaped through holes 501 are arranged along the radial direction of the slewing bearing shell, so that the cutters 13 can conveniently slide horizontally along the radial direction of the slewing bearing shell, the baffle 1501 is tightly attached to the outer sides of the strip-shaped through holes 501 all the time under the elastic action of the second springs 1503 to shield the cutters, chips generated by cutting and polishing are prevented from splashing to the outside through the strip-shaped through holes 501, and meanwhile, the second springs 1503 push the baffle 1501 to slide along the length direction of the cutters 13 during tool withdrawal, so that metal chips adhered to the outer side walls of the cutters 13 can be scraped, and the workload of later cleaning is reduced;

Referring to fig. 4-6, a linear driving assembly 7 is arranged at the top end of the upper housing 5, when the first sliding block 10 moves to a side close to the upper housing 5, the upper housing 5 is pushed to move downwards synchronously by the linear driving assembly 7, so that the upper housing 5 and the lower housing 4 are spliced to form a closed cavity for wrapping the clamping piece 2 inside, the linear driving assembly 7 comprises a driven block 703 fixed at the top end of the upper housing 5, a roller 704 rotatably arranged in the middle of the driven block 703 and a driving block 701 horizontally sliding in the middle of the driven block 703, a sliding hole 702 is obliquely arranged on the driving block 701, and the sliding hole 702 is obliquely downwards arranged from one side close to the driven block 703 to one side close to the first sliding block 10, when the driving block 701 horizontally moves, the roller 704 is pushed to roll in the sliding hole 702, the driven block 703 of a belt slides up and down, a driving arm 705 is horizontally arranged at one side close to the first sliding block 10 of the sliding hole 702, and a cavity for accommodating the horizontal sliding of the driving block 701 is penetrated and arranged in the middle of the driven block 703;

Referring to fig. 4, an adaptive driving member 16 is disposed on one side of the first slider 10 near the driving arm 705, where the adaptive driving member 16 includes an outer tube 1601 with an opening at one end and a sliding plate 1603 movably disposed inside the outer tube 1601 by a third spring 1602, the driving arm 705 extends into the inner portion through the opening on the outer tube 1601, and the end of the driving arm 705 abuts against the sliding plate 1603, the driving arm 705 slides inside the outer tube 1601 and plays a role of limiting, so that the driving arm 705 can only move horizontally, the number of the adaptive driving member 16 and the number of the driving arms 705 can be multiple, and when working, the first slider 10 pushes the driving block 701 to slide horizontally leftwards by the adaptive driving member 16, then drives the driven block 703 to move downwards, referring to fig. 6, then drives the upper housing 5 to move downwards, so that the upper housing 5 and the lower housing 4 are spliced to form a closed cavity that wraps the clamping member 2 inside, and the upper housing 5 and the lower housing 4 can be provided with transparent viewing windows as required to view the feeding position conveniently;

The bottom of lower housing 4 is provided with row's cinder notch 401, and the bottom of shell body 1 is provided with dust collection groove 101, and the metal chip that the finish machining produced is discharged to dust collection groove 101 inside through row's cinder notch 401, conveniently carries out centralized processing, but the inside horizontal pull of dust collection groove 101 sets up the drawer or sets up the slag notch on dust collection groove 101 (not shown in the figure).

Working principle: firstly, the rotary bearing shell to be processed is clamped and fixed through the clamping piece 2, then the linear driving piece 1402 contracts to drive the installation seat 8 to integrally move to one side close to the product until the cutter 13 passes through the strip-shaped through hole 501 to be inserted into the lower housing 4 and the upper housing 5 and is abutted against one side of a step part or a bearing hole to be processed of the product, the baffle 1501 synchronously moves to one side close to the product along with the cutter holder 12 until the baffle 1501 is abutted against the outer side walls of the lower housing 4 and the upper housing 5, the strip-shaped through hole 501 is shielded, the first slider 10 is driven by the first linear driving mechanism 9 to horizontally slide along the radial direction of the clamping piece 2, the processing requirements of different parts of rotary bearing shells with different sizes or identical rotary bearings are met, the self-adaptive driving piece 16 pushes the driving arm 705 and the driving block 701 to horizontally slide leftwards while the first slider 10 horizontally moves, the roller 704 rolls downwards in the sliding hole 702, then the driven block 703 and the upper housing 5 are pushed to synchronously move downwards until the bottom end of the upper housing 5 is abutted against the top end of the lower housing 4 for shielding protection, then the rotary driving mechanism 3 drives the clamping piece 2 and the product to synchronously rotate, the rotating product continuously contacts with the cutter 13 to realize polishing cutting, the lower housing 4 and the upper housing 5 can avoid splashing of metal scraps generated by processing, the metal scraps can be discharged to the dust collection groove 101 through the slag discharge port 401 under the action of gravity, after the processing is finished, the second linear driving mechanism 14 drives the installation seat 8, the cutter 13 and the like to integrally move rightwards for resetting, the upper housing 5 also resets upwards under the elastic action of the first spring 602, and at the moment, the upper housing 5 and the lower housing 4 are separated, so that different products can be conveniently replaced by workers for processing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a slewing bearing casing finishing device, includes shell body (1), is used for carrying out centre gripping fixed holder (2) and is used for driving rotatory actuating mechanism (3) and a plurality of cutter (13) of holder (2) pivoted to the slewing bearing casing, its characterized in that: the clamping piece (2) is rotatably arranged at one side of the inner part of the outer shell (1) through the rotary driving mechanism (3), a lower cover shell (4) is fixed below the clamping piece (2), an upper cover shell (5) is movably arranged right above the lower cover shell (4), an elastic supporting component (6) which automatically pushes the upper cover shell (5) to move upwards is arranged at the top end of the upper cover shell (5), the upper cover shell (5) is separated from the lower cover shell (4), One side of the lower housing (4) and one side of the upper housing (5) are horizontally provided with a strip-shaped through hole (501) for accommodating a cutter (13) to extend into the lower housing, the top end in the outer housing (1) is horizontally provided with an installation seat (8) in a sliding manner through a second linear driving mechanism (14), the second linear driving mechanism (14) is used for driving the installation seat (8) to horizontally move along one side close to or far away from the clamping piece (2), the bottom end of the installation seat (8) is horizontally provided with a first sliding block (10) through a first linear driving mechanism (9), the first linear driving mechanism (9) is used for driving the first sliding block (10) to horizontally slide back and forth along the center close to or far away from the clamping piece (2), the bottom of first slider (10) is installed blade holder (12) through connecting piece (11), and the inside of connecting piece (11) is provided with the pivoted rotary driving piece of drive blade holder (12), a plurality of cutters (13) are installed on each lateral wall of blade holder (12), the top of upper housing (5) is provided with sharp drive assembly (7), when first slider (10) moves to the one side that is close to upper housing (5), promote upper housing (5) synchronous downshift through sharp drive assembly (7), make upper housing (5) splice with lower housing (4) and form the airtight cavity that wraps up holder (2) inside, sharp drive assembly (7) are including fixed follower block (703) at upper housing (5) top, driven block (703), The roller (704) arranged in the middle of the driven block (703) and the driving block (701) horizontally sliding in the middle of the driven block (703) are rotated, a sliding hole (702) is obliquely arranged on the driving block (701), the sliding hole (702) is obliquely downwards arranged from one side close to the driven block (703) to one side close to the first sliding block (10), when the driving block (701) horizontally moves, the roller (704) is pushed to roll in the sliding hole (702), the driven block (703) of the belt vertically slides, a driving arm (705) is horizontally arranged on one side of the sliding hole (702) close to the first sliding block (10), a self-adaptive driving piece (16) is arranged on one side of the first sliding block (10) close to the driving arm (705), and the self-adaptive driving piece (16) comprises an outer tube (1601) with one end being opened and a sliding plate (1603) movably arranged inside the outer tube (1601) through a third spring (1602), the driving arm (705) extends to the inside through the opening on the outer tube (1601), and the end part of the driving arm (705) is abutted against the sliding plate (1603).

2. The slewing bearing housing finishing device according to claim 1, characterized in that: elastic support subassembly (6) are including a plurality of vertical first guide bars (601) of fixing on upper housing shell (5) top, the top of shell body (1) runs through and is provided with a plurality of through-holes with first guide bars (601) one-to-one, the outside that the shell body (1) was extended to through-hole is passed on the top of first guide bars (601), and all cup jointed first spring (602) on the outside first guide bars (601) of shell body (1), the top of first guide bars (601) is provided with limiting plate (603) that are used for carrying out spacing to first spring (602), first spring (602) promote upper housing shell (5) upward movement, make upper housing shell (5) and lower housing shell (4) separation.

3. The slewing bearing housing finishing device according to claim 1, characterized in that: the cutter holder (12) is of a cube structure, the number of cutters (13) is four, the cutters are respectively arranged on four side walls of the cutter holder (12), and sealing assemblies (15) for shielding the strip-shaped through holes (501) are respectively arranged on four outer side walls of the cutter holder (12).

4. A slewing bearing housing finishing apparatus as defined in claim 3, wherein: seal assembly (15) are including parallel arrangement baffle (1501) in blade holder (12) outside, a plurality of levels are fixed second guide bar (1502) and cup joint second spring (1503) on second guide bar (1502) in baffle (1501) are close to blade holder (12) one side, the size of baffle (1501) is greater than the size of bar through-hole (501), run through on blade holder (12) and be provided with the through-hole that holds second guide bar (1502) horizontal slip, and second guide bar (1502) extend to the through-hole inside, run through on baffle (1501) be provided with the through-hole with cutter (13) mutually mate.

5. The slewing bearing housing finishing device according to claim 1, characterized in that: the second linear driving mechanism (14) comprises a second sliding block (1401) fixed at the top end of the mounting seat (8), a linear driving piece (1402) horizontally fixed at the top end of the outer shell (1) and a connecting plate (1403) used for connecting the output end of the linear driving piece (1402) with the second sliding block (1401), a through hole for accommodating the horizontal sliding of the connecting plate (1403) is formed in the top end of the outer shell (1) in a penetrating mode, and the linear driving piece (1402) is used for pushing the second sliding block (1401) to horizontally slide at the top end inside the outer shell (1) along one side close to or far away from the clamping piece (2).

6. The slewing bearing housing finishing device according to claim 1, characterized in that: the bottom of the lower housing (4) is provided with a slag discharge port (401), and the bottom of the outer housing (1) is provided with a dust collection groove (101).

7. The slewing bearing housing finishing device according to claim 1, characterized in that: the clamping piece (2) is a three-jaw chuck.

8. The slewing bearing housing finishing device according to claim 1, characterized in that: the strip-shaped through holes (501) are arranged along the radial direction of the slewing bearing housing.